CN101231089B - Guide rail structure of drawer type refrigerator - Google Patents

Guide rail structure of drawer type refrigerator Download PDF

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Publication number
CN101231089B
CN101231089B CN2007100566207A CN200710056620A CN101231089B CN 101231089 B CN101231089 B CN 101231089B CN 2007100566207 A CN2007100566207 A CN 2007100566207A CN 200710056620 A CN200710056620 A CN 200710056620A CN 101231089 B CN101231089 B CN 101231089B
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guide rail
support
drawer
type refrigerator
moving guide
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CN2007100566207A
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CN101231089A (en
Inventor
李昌林
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Taizhou LG Electronics Refrigeration Co Ltd
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Taizhou LG Electronics Refrigeration Co Ltd
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Abstract

The invention relates to a guiding rail structure of a drawer-type refrigerator, which comprises a supporting part with a holding part arranged at the lower part of storage space along the movement direction of a storage vessel and extended from both sides of the storage space towards the inner sides; a movement guide rail capable of moving forwards and backwards along the supporting part; a parallel axis of which the two ends are arranged on the movement guiding rail; a mounting hole which is arranged on the movement guide rail and inside which the parallel axis can make upward and downward movement; a first supporting component which is arranged on the movement guiding rail; a spring which is arranged between the first supporting component and the parallel axis. The invention has the advantages that the adoption of the guiding rail structure can easily correct the misplaced meshing state of a pinion wheel and a rack resulting from the inadvertence of the operating staff, and correspondingly prevent the operation time from prolonging due to the incorrect assembling of operating staff, moreover for the users, reduce the maintenance time of the product and improve the reliability of the product.

Description

The guide rail structure of drawer-type refrigerator
Technical field
The present invention is relevant refrigerator invention, and in more detail, the present invention is a kind of when the drawer-type refrigerator door that switching moves horizontally, the guide rail structure of the drawer-type refrigerator that guiding door moves.
Background technology
The inside of refrigerator is provided with storage spaces such as refrigerating chamber or refrigerating chamber, and these refrigerating chambers or refrigerating chamber can open and close by the effect of door with being allowed a choice.In general, the gate open of refrigerator often is connected a side of refrigerator main body by hinge and is that rotate in the place ahead of middle mind-set refrigerator with hinge axis.Simultaneously, refrigerator also can adopt drawer type, opens in the mode of extracting out to refrigerator the place ahead.
Fig. 1 is the refrigerator inside structural representation that adopts the guide rail structure of prior art drawer-type refrigerator.Fig. 2 is the guide rail structure schematic diagram of the drawer-type refrigerator of prior art.
As shown in Figure 1, in drawer-type refrigerator inside, be provided with space 2 is set.In space 2 is set, be provided for the container (figure slightly) of keeping food.Simultaneously, in order in space 2 is set container to be set, the two side of refrigerator is provided with support portion 4, and support portion 4 is fixed on the two side of refrigerator with guiding rail 8, and section is " ㄈ " shape substantially.In the support portion of supporting guide guide rail 8 bottom surfaces 4 one sides, be provided with to the inboard tooth bar 6 that extends of refrigerator tooth bar 6 and gear part engagement.
Guiding rail 8 can insert in the narrow and long groove in support portion 4, and is provided with accordingly with support portion 4.Guiding rail 8 is fixed on support portion 4, guides moving of intermediate rail 10.
Intermediate rail 10 can be inserted in the narrow and long groove of guiding rail 8, is provided with accordingly with guiding rail 8.Intermediate rail 10 is identical with moving guide rail 12, all moves at the rear forward along guiding rail 8, enlarges the scope that container is extracted out forward.
In the long groove, be inserted with moving guide rail 12 the narrow of intermediate rail 10, moving guide rail 12 combines with the container two side of preserving food, moves forward and backward along guiding rail 8 with container.
The rearward end of moving guide rail 12 is connected with the both sides of parallel axes 14 respectively.Parallel axes 14 and moving guide rail 12 interlocks with moving guide rail 12, can carry out rectilinear motion along fore-and-aft direction.
It is the pinion 16 that the center is rotated that the both sides of parallel axes 14 are provided with parallel axes 14.Pinion 16 moves with tooth bar 6 engagements on the support portion 4.In addition, the number of teeth of pinion 16 is about 20.
But there is following problem in above-mentioned prior art:
The both sides of parallel axes 14 are installed pinion 16 respectively, pinion 16 is engaged in the process of tooth bar 6, installation personnel often can not be engaged on each pinion 16 at parallel axes 14 two ends on the pairing tooth bar 6 exactly, as lateral denticle wheel 16 and the engagement of tooth bar 6 the 1st tooth, and opposite side pinion 16 and the engagement of respective side tooth bar 6 the 2nd tooth.When this problem occurring, installation personnel can only confirm with the naked eye whether pinion 16 is assembled on the tooth bar 6 exactly, but because the number of teeth of pinion is about 20, therefore with the naked eye is difficult to confirm the mistake assembling of pinion.
Do not have to be engaged on the tooth bar 6 exactly as pinion 16, then with the container of pinion 6 interlock when mobile forwards, backwards, originally this incorrect engagement can cause that container moves and have some setbacks, but finally can cause container not open and close fully by user's requirement, but stops at the centre position.Continue reinforcing as the user under this state, breakage can take place in the tooth of pinion 16.
In addition, if when the user inserts container fully again according to user demand,, also can cause same problem after guiding rail 8 dismounting each pinion 16 not being inserted container exactly with under the state that tooth bar 6 aligns suddenly.
Summary of the invention
The present invention proposes in order to address the above problem, and the object of the present invention is to provide a kind of guide rail structure of the drawer-type refrigerator that can assemble exactly.
For achieving the above object, the guide rail structure of drawer-type refrigerator of the present invention comprises: a kind of guide rail structure of drawer-type refrigerator, comprise by the two side of storage space outstanding to the inside, in the bottom by the support portion with holder portion of the moving direction setting of tank; The moving guide rail that can move forward and backward along above-mentioned support portion; Two ends are installed in the parallel axes on the moving guide rail; Moving guide rail is provided with installing hole, and parallel axes can move up and down in installing hole; Moving guide rail is provided with the 1st support component; Between the 1st support component and parallel axes, spring is set.
The support portion is provided with fixing and the corresponding guiding rail of above-mentioned support portion shape, and movably moving guide rail is set on guiding rail.
Between above-mentioned guiding rail and the moving guide rail, be provided with movably, with the corresponding intermediate rail of guiding rail shape.
The 1st support component comprises vertical component effect that is installed in moving guide rail one side and the horizontal part that extends out from vertical component effect, and horizontal part bottom surface one side is provided with the 1st support slot that is used for mounting spring one end.
The both sides of parallel axes are provided with rib, are provided with the embedded groove of depression along the peripheral surface of rib, embed to have to i.e. the 2nd support component of the 2nd support slot of lower recess in above-mentioned embedded groove, and the other end of spring is fixed in the 2nd support slot.
In the guide rail structure of drawer-type refrigerator of the present invention, be installed in the installing hole of moving guide rail the parallel axes two ends with the container interlock, the moving of its vertical direction by spring constraint.Thereby can easily proofread and correct because the state of a lateral denticle wheel and rack of not noting the being caused dislocation engagement of installation personnel.Accordingly, the mistake assembling that can prevent installation personnel makes the problem that the activity duration prolongs, and for the user, can reduce product maintenance time, improves reliability of products.
Description of drawings
Fig. 1 is the refrigerator inside structural representation that adopts the guide rail structure of prior art drawer-type refrigerator.
Fig. 2 is the guide rail structure schematic diagram of the drawer-type refrigerator of prior art.
Fig. 3 is the guide rail structure most preferred embodiment schematic diagram of drawer-type refrigerator of the present invention.
Fig. 4 is A-A ' the line generalized section of Fig. 3.
The symbol description of major part in the accompanying drawing:
20: support portion 22: holder portion
22a: tooth bar 24: guiding rail
26: intermediate rail 28: moving guide rail
28a: 30: the 1 support components of installing hole
32: vertical component effect 32a: the 2nd screw hole
34: horizontal part 34a: the 1st support slot
36: spring 38: parallel axes
40: rib 40a: embedded groove
42: the 2 support component 42a: the 2nd support slot
44: pinion
The specific embodiment
Be described in detail below in conjunction with the guide rail structure of accompanying drawing drawer-type refrigerator of the present invention.
Shown in Fig. 3,4, on the two side, inside of refrigerator, be correspondingly provided with two support portions 20 that are symmetric shape and structure.The section of support portion 20 is " ㄈ " shape, and guiding rail 24 is fixed on the support portion 20.
Holder portion 22 is positioned at the bottom of support portion 20, and it plays the effect of support to the guiding rail 24 that is inserted into support portion 20, and holder portion 22 sections are rectangular substantially, is provided with along the two side fore-and-aft direction of storage space.
The top of holder portion 22 is provided with tooth bar 22a.44 engagements of tooth bar 22a and pinion, when with the container (figure slightly) of pinion 44 interlocks when fore-and-aft direction moves, can regulate the translational speed of container and prevent container to the left and right direction rock.
Guiding rail 24 is set on the support portion 20.The corresponding setting of groove of guiding rail 24 and support portion 20, and can be inserted in the narrow and long groove in support portion 20.Guiding rail 24 is fixed on the support portion 20, to the guiding function that moved of middle guide rail 26.
Intermediate rail 26 is provided with accordingly with the groove of guiding rail 24, can be inserted in the narrow and long groove of guiding rail 24.Intermediate rail 26 is identical with moving guide rail 28, all along guiding rail 24 front and back to moving, enlarge the scope that container is forwards extracted out.
In the narrow and long groove of intermediate rail 26, moving guide rail 28 is set.Moving guide rail 28 is fixed on the container two side of preserving food, moves along guiding rail 24 fore-and-aft directions with container.
The rearward end of moving guide rail 28 is provided with installing hole 28a.The two ends of parallel axes 38 just are installed in the installing hole 28a, and parallel axes 38 two ends can be moved as above-below direction in installing hole 28a.The constraint that spring 36 moves in vertical direction as parallel axes 38.
On the moving guide rail 28, be positioned at installing hole 28a above, be provided with several the 1st screw holes (figure slightly)., by the 1st screw hole moving guide rail 28 and the 1st support component 30 are assembled with assembling parts such as screws.
The section of the 1st support component 30 be "
Figure GSB00000387298900041
" shape, have symmetrical structure.Promptly the 1st support component 30 is made of vertical component effect 32 and the horizontal part 34 that extends to horizontal direction from the upper end-face edge position of vertical component effect 32.The 1st support component 30 does not hinder the rotation of pinion 44.
On the vertical component effect 32 of the 1st support component 30, be provided with the 2nd screw hole 32a corresponding with the 1st screw hole.Screw is fixed on the 1st support component 30 side of moving guide rail 28 by the 1st screw hole and the 2nd screw hole 32a.
In addition, horizontal part 34 support springs 36 1 ends of the 1st support component 30.As shown in Figure 4, in the present embodiment, an end of spring 36 is installed on the 1st support slot 34a of the 1st support component 30, obtains firm support thus.The 1st support slot 34a is arranged on the bottom surface of the 1st support component 30 horizontal parts 34.
In the present embodiment, spring 36 adopts the bigger coil spring 36 of spring constants, and promptly spring 36 has the spring constant that can vertically retrain parallel axes 38 two ends that are installed in the installing hole 28a.In addition, the other end of spring 36 is supported on a side of the 2nd support component 42, and under the effect of spring 36, pinion 44 meshes exactly with tooth bar 22a, prevents to break away from arbitrarily from tooth bar 22a when pinion 44 from moving.
Parallel axes 38 two ends are installed in the installing hole 28a, with moving guide rail 28 interlocks, carry out rectilinear motion with moving guide rail 28 along fore-and-aft direction.In addition, parallel axes 38 and pinion 44 secure bond rotate with pinion 44.
The both sides of parallel axes 38 are provided with the rib 40 of the transverse strength that is used to strengthen parallel axes 38.As shown in Figure 4, be provided with the embedded groove 40a of depression, be used to insert the 2nd support component 42 along the peripheral surface of rib 40.
In the embedded groove 40a of rib 40, insert the 2nd support component 42 of circular in configuration.The 2nd support component 42 is unfixing mutually with rib 40, has lubricating oil between the 2nd support component 42 and the embedded groove 40a, the 2nd support component 42 is not rotated with parallel axes 38, and have only parallel axes 38 to rotate relatively.The 2nd support component 42 is used for the other end of support spring 36.
Peripheral surface one side at the 2nd support component 42 is provided with the 2nd support slot 42a.The other end of spring 36 is installed among the 2nd support slot 42a, firmly is supported on the 2nd support component 42.
The pinion 44 that rotates with parallel axes 38 is set respectively on the rib 40 at two ends.Pinion 44 is engaged on tooth bar 22a rotation respectively, when container when move front and back, pinion 44 is regulated the translational speed of container in interlock, prevent the container double swerve.
Because not noting of installation personnel or not noting of user, when a side of pinion 44 mesh with tooth bar 22a with staggering, can be to the container front end given prominence to after-applied a certain size power.At this moment, pinion 44 bears active force, tooth bar 22a applies reaction force to pinion 44, because installing hole 28a has the structure that can allow parallel axes 38 two ends move up, pinion 44 strides across current tooth bar and is engaged on exactly on the correct tooth upwards being lifted under the reaction force acts of gear 22a.

Claims (5)

1. the guide rail structure of a drawer-type refrigerator, comprise by the two side of storage space outstanding to the inside, in the bottom by the support portion with holder portion of the moving direction setting of tank; The moving guide rail that can move forward and backward along above-mentioned support portion; Two ends are installed in the parallel axes on the moving guide rail; It is characterized in that: moving guide rail is provided with installing hole, and parallel axes can move up and down in installing hole; Moving guide rail is provided with the 1st support component; Between the 1st support component and parallel axes, spring is set.
2. the guide rail structure of drawer-type refrigerator according to claim 1 is characterized in that: the support portion is provided with fixing and the corresponding guiding rail of above-mentioned support portion shape, and movably moving guide rail is set on guiding rail.
3. the guide rail structure of drawer-type refrigerator according to claim 2 is characterized in that: between above-mentioned guiding rail and the moving guide rail, be provided with movably, with the corresponding intermediate rail of guiding rail shape.
4. according to the guide rail structure of the described drawer-type refrigerator of claim 1 to 3, it is characterized in that: the 1st support component comprises vertical component effect that is installed in moving guide rail one side and the horizontal part that extends out from the vertical component effect upper end-face edge, and horizontal part bottom surface one side is provided with the 1st support slot that is used for mounting spring one end.
5. the guide rail structure of drawer-type refrigerator according to claim 4, it is characterized in that: the both sides of parallel axes are provided with rib, be provided with the embedded groove of depression along the peripheral surface of rib, in above-mentioned embedded groove, embed the 2nd support component, the groove that peripheral surface one side of described the 2nd support component has to lower recess is the 2nd support slot, and the other end of spring is fixed in the 2nd support slot.
CN2007100566207A 2007-01-25 2007-01-25 Guide rail structure of drawer type refrigerator Active CN101231089B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107314591B (en) * 2016-04-27 2019-12-10 青岛海高设计制造有限公司 Drawer assembly and refrigerator
JP6783693B2 (en) * 2017-03-28 2020-11-11 株式会社Lixil Drawer structure
CN110939652B (en) * 2019-11-25 2021-04-20 湖南腾盛智能科技有限公司 Anti-sinking sliding rail structure
CN113739508B (en) * 2020-05-29 2022-11-29 青岛海尔电冰箱有限公司 Refrigerator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2204405Y (en) * 1994-07-07 1995-08-02 中国扬子电气(集团)公司 Contact-roller track type drawer of refrigerator
JP3170781B2 (en) * 1995-02-14 2001-05-28 三菱マテリアル株式会社 Straightening method for Al-based sintered machine parts
CN2536104Y (en) * 2002-04-25 2003-02-19 李绍汉 Guide rail with buffer units
DE10318400A1 (en) * 2002-04-24 2003-12-04 Lg Electronics Inc Vegetable compartment in cool cabinet has inclined top section and cover plate giving an enlarged opening to receive large vegetables
CN1683868A (en) * 2004-04-12 2005-10-19 乐金电子(天津)电器有限公司 Drawer type door open/clock structure of refrigerator
EP1621836A2 (en) * 2004-07-29 2006-02-01 Lg Electronics Inc. Refrigerator with bottom drawer having basket lift device
KR20070008046A (en) * 2005-07-12 2007-01-17 엘지전자 주식회사 Rail assembly for drawer type refrigerator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2204405Y (en) * 1994-07-07 1995-08-02 中国扬子电气(集团)公司 Contact-roller track type drawer of refrigerator
JP3170781B2 (en) * 1995-02-14 2001-05-28 三菱マテリアル株式会社 Straightening method for Al-based sintered machine parts
DE10318400A1 (en) * 2002-04-24 2003-12-04 Lg Electronics Inc Vegetable compartment in cool cabinet has inclined top section and cover plate giving an enlarged opening to receive large vegetables
CN2536104Y (en) * 2002-04-25 2003-02-19 李绍汉 Guide rail with buffer units
CN1683868A (en) * 2004-04-12 2005-10-19 乐金电子(天津)电器有限公司 Drawer type door open/clock structure of refrigerator
EP1621836A2 (en) * 2004-07-29 2006-02-01 Lg Electronics Inc. Refrigerator with bottom drawer having basket lift device
KR20070008046A (en) * 2005-07-12 2007-01-17 엘지전자 주식회사 Rail assembly for drawer type refrigerator

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