CN209558771U

CN209558771U - A kind of refrigerator

Info

Publication number: CN209558771U
Application number: CN201822167089.7U
Authority: CN
Inventors: 孙坤; 黄璐璐; 张敏
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Home Appliances Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Home Appliances Co Ltd; BSH Hausgeraete GmbH
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2019-10-29
Anticipated expiration: 2028-12-21
Also published as: EP3671083A1

Abstract

A kind of refrigerator, comprising: to place the glove component of article；Track, positioned at at least side of the glove component；Idler wheel, the idler wheel are fixed on at least side of the glove component and are supported in the track, or, the idler wheel is fixed on the track to support the glove component；The idler wheel includes opposite first end and second end, wherein the first end of the idler wheel deviates from the middle line towards the middle line, second end；Resilient sleeve, the resilient sleeve is sheathed on the idler wheel, the resilient sleeve includes main noise reduction unit and auxiliary noise reduction unit, along the axial direction of the idler wheel, the main noise reduction unit is located at the intermediate region of the idler wheel, the auxiliary noise reduction unit is protruded outward in the radially described main noise reduction unit of the idler wheel in the auxiliary noise reduction unit between the main noise reduction unit and the first end of the idler wheel.By scheme provided by the utility model, it can reduce the noise when sliding of glove component, reduce friction, improve smoothness when sliding.

Description

A kind of refrigerator

Technical field

The utility model relates to household appliance technical fields, more particularly to a kind of refrigerator.

Background technique

It is used for convenient user, existing household appliance, such as refrigerator, the gloves components such as drawer can be set in chamber, used Reserve can be placed in drawer by family, and pick and place reserve when required by the mode of pull drawer.

In order to optimize the usage experience of user, idler wheel is usually mounted on existing drawer, such as drawer in the width direction The left and right sides install idler wheel, with reduce friction.

Summary of the invention

One of the utility model implementation is designed to provide a kind of improved refrigerator.

Therefore, the utility model embodiment provides a kind of refrigerator, comprising: to place the glove component of article；Track, position In at least side of the glove component, the glove component is suitable for sliding along the track, the sliding of the glove component It is oriented parallel to the middle line of the glove component in the width direction；Idler wheel, the idler wheel are fixed on the glove component at least Side is simultaneously supported in the track, or, the idler wheel is fixed on the track to support the glove component；The idler wheel includes Opposite first end and second end, wherein the first end of the idler wheel deviates from the middle line towards the middle line, second end；Bullet Property set, the resilient sleeve are sheathed on the idler wheel, and the resilient sleeve includes main noise reduction unit and auxiliary noise reduction unit, along the idler wheel Axial, the main noise reduction unit is located at the intermediate region of the idler wheel, and the auxiliary noise reduction unit is located at the main noise reduction unit and the rolling Between the first end of wheel, protrude outward in the radially described main noise reduction unit of the idler wheel in the auxiliary noise reduction unit.

As a result, by the cooperation of main noise reduction unit and auxiliary noise reduction unit, so that becoming to the pressure-bearing noise reduction of the first end of idler wheel can Can, the noise when sliding of glove component is reduced, friction is reduced, improves smoothness when sliding.Specifically, auxiliary noise reduction unit can The pressure from glove component that the first end of effective cushion idler is subject to, mitigates the deflection of the first end of idler wheel, to reach To the effect for reducing friction, reducing noise.Further, it protrudes outward in the radially main noise reduction unit of idler wheel in auxiliary noise reduction unit, with The contact area for reducing idler wheel and track further decreases friction, reduces noise.

Optionally, the auxiliary noise reduction unit is connected with the main noise reduction unit, to adapt to the glove component of different load-carryings to idler wheel Influence, to reach preferably noise reduction effect.

Optionally, there are gaps between the auxiliary noise reduction unit and the main noise reduction unit, to be directed to idler wheel in glove component Auxiliary noise reduction unit is arranged in the maximum region emphasis of deflection under pressure, to reduce cost while realizing noise reduction effect.

Optionally, the intermediate region of the idler wheel opens up fluted along the circumferential direction of the idler wheel, the main noise reduction unit insertion In the groove.Thus, it is possible to limit to main noise reduction unit, main noise reduction unit during roller motion is avoided to send out along the axial direction of idler wheel Raw unexpected displacement.

Optionally, the auxiliary noise reduction unit coat completely the idler wheel between main noise reduction unit and the first end of idler wheel Outer peripheral surface reaches preferably noise reduction effect to adapt to influence of the glove component of different load-carryings to idler wheel.

Optionally, the resilient sleeve covers at least part of the end face of the first end of the idler wheel, with to idler wheel The end face of one end is protected, the noise generated during reducing the sliding of glove component with the end face friction of the first end of idler wheel.

Optionally, the end face of the first end of the idler wheel has fixing groove, and the resilient sleeve, which has, is inserted into the fixing groove Interior installation flange.Thus, it is possible to position to resilient sleeve, resilient sleeve surprisingly falls off from idler wheel during avoiding idler wheel from rolling.

Optionally, the resilient sleeve further include: extension, the extending part is in the main noise reduction unit and the idler wheel Between second end, and at least coat the outer peripheral surface between the main noise reduction unit and the second end of idler wheel of the idler wheel, In The radially described main noise reduction unit of the idler wheel is protruded outward in the extension.Thus, it is possible to the second end of idler wheel also into Row protection appropriate reduces friction when idler wheel rolls on the whole, reaches better noise reduction effect.

Optionally, the extension and the relatively described main noise reduction unit of the auxiliary noise reduction unit are symmetrical arranged.As a result, by symmetrical Change design, so that either end of the idler wheel in axial both ends can be used as first end and be installed, reduces assembly complexity.

Optionally, from the direction for the first end that the main noise reduction unit is directed toward the idler wheel, the thickness of the auxiliary noise reduction unit It gradually decreases.Glove is optimized so that the stress of auxiliary noise reduction unit entirety is more uniform by the surface design of smooth transition as a result, The sliding effect of component.

Optionally, side of the resilient sleeve far from the idler wheel is arc, and/or, the resilient sleeve is far from the rolling The side of wheel is planar shaped, to play good buffering effect, and reduces the preparation difficulty of resilient sleeve.

Optionally, the material of the resilient sleeve is selected from: thermoplastic elastomer (TPE), rubber material and silica gel, to play buffering Function realizes noise reduction effect.

Optionally, the glove component includes: drawer or shelf.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of idler wheel of the prior art；

Fig. 2 is cross-sectional view of the idler wheel shown in Fig. 1 along the direction A-A；

Fig. 3 is a kind of partial schematic diagram of refrigerator of the utility model embodiment；

Fig. 4 be in Fig. 3 glove component along the cross-sectional view in the direction B-B；

Fig. 5 is the partial enlarged view of region C in Fig. 4；

Fig. 6 is the schematic diagram of idler wheel in Fig. 3；

Fig. 7 is the side view of idler wheel shown in Fig. 6；

Fig. 8 is cross-sectional view of the idler wheel shown in Fig. 7 along the direction A-A；

Fig. 9 is the schematic diagram of another idler wheel of the utility model embodiment；

Figure 10 is the side view of idler wheel shown in Fig. 9；

Figure 11 is cross-sectional view of the idler wheel shown in Figure 10 along the direction A-A；

Figure 12 is the schematic diagram of another idler wheel of the utility model embodiment；

Figure 13 is the side view of idler wheel shown in Figure 12；

Figure 14 is cross-sectional view of the idler wheel shown in Figure 13 along the direction A-A；

In attached drawing:

100- idler wheel；110- groove；120- silica gel ring；200- refrigerator；201- liner；210- glove component；220- rolling Wheel；The first end of 220a- idler wheel；The second end of 220b- idler wheel；221- groove；The end face of 222- idler wheel；223- fixing groove； 224- axis hole；225- bearing；230- track；240- resilient sleeve；The main noise reduction unit of 241-；The auxiliary noise reduction unit of 242-；The auxiliary noise reduction unit of 242a- First end；The second end of the auxiliary noise reduction unit of 242b-；243- installs flange；244- extension；The first end of 244a- extension； The second end of 244b- extension；A- is axial；The middle line of b- glove component；The circumferential direction of c- idler wheel；The radial direction of r- idler wheel；The auxiliary drop of h- It makes an uproar the thickness in portion；The width direction of x- refrigerator；The depth direction of y- refrigerator；The short transverse of z- refrigerator.

Specific embodiment

As described in the background art, the design existing defects of the existing idler wheel applied to refrigerator drawer, cause drawer to use When there is the problems such as friction is serious, noise is big, affect user experience.

Present inventor the analysis found that, the above problem is caused since the noise-reducing design of existing idler wheel is unreasonable 's.Specifically, with reference to Fig. 1 and Fig. 2, existing 100 ontology of idler wheel is using made of plastics, and only in the groove at middle part 110 regions are configured with silica gel ring 120, and the left and right sides of gloves component in the width direction such as be normally mounted at drawer.In In use process, the bearing stress due to drawer along the middle part of glide direction is larger, the one end of idler wheel 100 close to the middle part of drawer It will receive larger extruding, and then lead to the problem of big to gravity direction deflection, lead to the plastic body portion of drawer and idler wheel 100 Centimorgan wipe serious, slip noise is big.

In order to solve the above technical problems, the utility model embodiment provides a kind of refrigerator, comprising: to place setting for article Object component；Track, positioned at at least side of the glove component, the glove component is suitable for sliding along the track, described The glide direction of glove component is parallel to the middle line of the glove component in the width direction；Idler wheel, the idler wheel are fixed on described At least side of glove component is simultaneously supported in the track, or, the idler wheel is fixed on the track to support the placing part Part；The idler wheel includes opposite first end and second end, wherein the first end of the idler wheel is towards the middle line, second end Away from the middle line；Resilient sleeve, the resilient sleeve are sheathed on the idler wheel, and the resilient sleeve includes main noise reduction unit and auxiliary noise reduction Portion, along the axial direction of the idler wheel, the main noise reduction unit is located at the intermediate region of the idler wheel, and the auxiliary noise reduction unit is located at described Between main noise reduction unit and the first end of the idler wheel, protrude outward in the radially described main noise reduction unit of the idler wheel in described auxiliary Noise reduction unit.

It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this The specific embodiment of utility model explains in detail.

Fig. 3 is a kind of partial schematic diagram of refrigerator of the utility model embodiment, and Fig. 4 is section view of the Fig. 3 along the direction B-B Figure, Fig. 5 is the partial enlarged view of region C in Fig. 4.For the clearer scheme for illustrating the present embodiment, Fig. 3 emphasis is directed to refrigerator The region that glove component 210 is placed in 200 carries out exemplary illustration.

In the present embodiment, it is described in detail so that glove component 210 is drawer as an example.In practical applications, placing part Part 210 can also for shelf etc., can by idler wheel 220 along refrigerator 200 depth direction (direction y) to far from or close to refrigerator The object of 200 direction sliding.

In this example, it is assumed that the width direction (direction x) of refrigerator 200 is parallel to the width side of glove component 210 To；Assuming that the depth direction (direction y) of refrigerator 200 is parallel to the depth direction of glove component 210；Assuming that the height of refrigerator 200 Direction (direction z) is parallel to the short transverse of glove component 210.

Specifically, in conjunction with Fig. 3 to Fig. 5, refrigerator 200 may include: the glove component 210 to place article；Track 230, positioned at at least side of glove component 210, glove component 210 is suitable for sliding along track 230, the cunning of glove component 210 The dynamic middle line b for being oriented parallel to glove component 210 (direction x) in the width direction.

For example, in the y-direction, track 230 be can be set in 201 right side of liner of 200 chamber of refrigerator with reference to Fig. 3, set Object component 210 is suitable for sliding along track 230 to the direction y and its negative direction.

In another example in the y-direction, track 230 can also be set to 201 left side of liner of 200 chamber of refrigerator, with for Glove component 210 provides symmetrical support construction.

More specifically, with continued reference to Fig. 3 to Fig. 5, refrigerator 200 can also include: idler wheel 220, and idler wheel 220, which is fixed on, to be set At least side of object component 210 is simultaneously supported in track 230, so that glove component 210 is more smooth along the sliding effect of track 230.

As a change case, idler wheel 220 can be fixed on track 230 to support glove component 210, this can equally rise To the effect for improving sliding effect.

In one embodiment, idler wheel 220 can be combined by bearing 225 with glove component 210, to drive glove component 210 slide along track 230.

For example, idler wheel 220 offers the axis hole 224 through first end 220a and second end 220b, the axis along axial a It holds 225 to protrude into the axis hole 224 and fix with the glove component 210, the idler wheel 220 is suitable for around 225 turns of the bearing It is dynamic.

Further, with continued reference to Fig. 3 to Fig. 5, idler wheel 220 may include opposite first end 220a and second end 220b, wherein the first end 220a of idler wheel 220 deviates from middle line b towards middle line b, second end 220b.

For example, with reference to Fig. 3 to Fig. 5, idler wheel 220 can be installed on glove component 210 in the width direction (direction x) two Side, wherein one end of the close glove component 210 of idler wheel 220 is the first end 220a of idler wheel 220, the separate glove of idler wheel 220 One end of component 210 is the second end 220b of idler wheel 220.

Alternatively, idler wheel 220 also can be set in the bottom of glove component 210, wherein the one of the close middle line b of idler wheel 220 End is the first end 220a of idler wheel 220, and one end of the separate middle line b of idler wheel 220 is the second end 220b of idler wheel 220.

Further, with reference to Fig. 4 to Fig. 8, refrigerator 200 can also include: resilient sleeve 240, and resilient sleeve 240 can be arranged In idler wheel 220, resilient sleeve 240 may include main noise reduction unit 241 and auxiliary noise reduction unit 242, along the axial a of idler wheel 220, main noise reduction Portion 241 can be located at the intermediate region of idler wheel 220, and auxiliary noise reduction unit 242 can be located at the first of main noise reduction unit 241 and idler wheel 220 It holds between 220a, main noise reduction unit 241 is protruded outward in auxiliary noise reduction unit 242 on the radial r of idler wheel 220.

In one embodiment, the intermediate region of idler wheel 220 refers to: along the axial a of idler wheel 220, the first of idler wheel 220 Hold the region in the position and its default error range of surrounding at the line midpoint of 220a and second end 220b.

As a result, by the cooperation of main noise reduction unit 241 and auxiliary noise reduction unit 242, so that holding to the first end 220a of idler wheel 220 Pressure drop, which is made an uproar, to be possibly realized, and is reduced noise when glove component 210 slides, is reduced friction, improves smoothness when sliding.

Specifically, when idler wheel 220 is supported in track 230 naturally, the width of the axial a of idler wheel 220 and the refrigerator 200 Direction (direction x) is in the angle being not zero.After supporting glove component 210 on idler wheel 220, the pressure shadow by glove component 210 It ringing, the first end 220a of idler wheel 220 can sink along gravity direction, and the axial a of idler wheel 220 may be substantially parallel to the direction x, so that Glove component 210 is more smooth when sliding along the direction y.

Also, with the increase of the reserve carried on glove component 210, it is (outstanding that glove component 210 is applied to idler wheel 220 The first end 220a of its idler wheel 220) pressure can largely be buffered by auxiliary noise reduction unit 242, thus greatly reduce rolling The balance that the deflection of the first end 220a of wheel 220, as far as possible holding idler wheel 220 move, while motion process can be reduced In noise.

In other words, what the first end 220a that auxiliary noise reduction unit 242 is capable of effectively cushion idler 220 was subject to comes from glove component 210 pressure, mitigates the deflection of the first end 220a of idler wheel 220, to achieve the effect that reduce friction, reduce noise.Into One step, main noise reduction unit 241 is protruded outward in auxiliary noise reduction unit 242 on the radial r of idler wheel 220, to reduce idler wheel 220 and track 230 contact area further decreases friction, reduces noise.

In one embodiment, side of the resilient sleeve 240 far from idler wheel 220 can be arc, such as can be Fig. 6 to Fig. 8 Shown in smooth arc or waveform etc..

As a change case, side of the resilient sleeve 240 far from idler wheel 220 can be planar shaped, good slow to play Effect is rushed, and reduces the preparation difficulty of resilient sleeve 240.

In one embodiment, it is directed toward from main noise reduction unit 241 on the direction of first end 220a of idler wheel 220, auxiliary noise reduction unit 242 thickness h can gradually decrease, and can be such as Fig. 6 to smooth arc shown in Fig. 8 or linear etc..As a result, by flat The surface design crossed is slipped over, so that the stress of 242 entirety of auxiliary noise reduction unit is more uniform, optimizes the sliding effect of glove component 210.

In one embodiment, auxiliary noise reduction unit 242 can be connected with main noise reduction unit 241, to adapt to the glove of different load-carryings Influence of the component 210 to idler wheel 220, to reach preferably noise reduction effect.

For example, on the axial a along idler wheel 220, auxiliary noise reduction unit 242 may include opposite with continued reference to Fig. 6 to Fig. 8 First end 242a and second end 242b, wherein the first end 242a of auxiliary noise reduction unit 242 can be connected with main noise reduction unit 241.

As a change case, may exist gap (not shown) between auxiliary noise reduction unit 242 and main noise reduction unit 241, that is, The first end 242a of auxiliary noise reduction unit 242 can be not attached to main noise reduction unit 241.In other words, auxiliary on the axial a along idler wheel 220 The outer peripheral surface of idler wheel 220 can be exposed between noise reduction unit 242 and main noise reduction unit 241.Thus, it is possible to set for idler wheel 220 Auxiliary noise reduction unit 242 is arranged in the maximum region emphasis of deflection under the pressure of object component 210, thus realizing the same of noise reduction effect When, reduce cost.

In one embodiment, with continued reference to Fig. 6 to Fig. 8, the intermediate region of idler wheel 220 can along the circumferential c of idler wheel 220 To open up fluted 221, main noise reduction unit 241 can be embedded in groove 221.Thus, it is possible to main noise reduction unit 241 is limited, Along the axial a of idler wheel 220 unexpected displacement occurs for main noise reduction unit 241 during avoiding idler wheel 220 from moving.

Further, the main noise reduction unit 241 being embedded in groove 221 still protrudes from auxiliary noise reduction unit on the radial r of idler wheel 220 242.In other words, on the radial r of idler wheel 220, the maximum height of main noise reduction unit 241 is greater than the maximum height of auxiliary noise reduction unit 242.

In one embodiment, with continued reference to Fig. 6 to Fig. 8, auxiliary noise reduction unit 242 cladding roller 220 can be located at completely Outer peripheral surface between main noise reduction unit 241 and the first end 220a of idler wheel 220, to adapt to 210 pairs of glove component rollings of different load-carryings The influence of wheel 220, reaches preferably noise reduction effect.

In one embodiment, on the axial a along idler wheel 220, the second end 242b of auxiliary noise reduction unit 242 can be with rolling The end face 222 of the first end 220a of wheel 220 flushes.For example, can use secondary encapsulation techniques for the directly injection molding packet of resilient sleeve 240 It overlays on outside idler wheel 220, to ensure the close connection of idler wheel 220 Yu resilient sleeve 240.

Fig. 9 to Figure 11 and Figure 12 to Figure 14 shows the signal of the other two idler wheel 220 of refrigerator described in the present embodiment Next figure will be described in detail for both idler wheels 220 and the difference of idler wheel 220 shown in above-mentioned Fig. 6 to Fig. 8.It needs , it is noted that in two kinds of idler wheels 220 shown in Fig. 9 to Figure 14, about the particular content of main noise reduction unit 241 and auxiliary noise reduction unit 242, It can be with reference to the associated description in idler wheel 220 shown in above-mentioned Fig. 6 to Fig. 8.

In one embodiment, with reference to Fig. 9 to Figure 11, resilient sleeve 240 can be with the end of the first end 220a of cover roller 220 At least part in face 222 is protected with the end face 222 of the first end 220a to idler wheel 220, and it is sliding to reduce glove component 210 The noise generated during dynamic with the friction of the end face 222 of the first end 220a of idler wheel 220.

Further, the end face 222 of the first end 220a of idler wheel 220 can have fixing groove 223, and resilient sleeve 240 can be with With the installation flange 243 in insertion fixing groove 223.Thus, it is possible to position to resilient sleeve 240, idler wheel 220 is avoided to roll Resilient sleeve 240 falls off from idler wheel 220 is unexpected during dynamic.

Alternatively, resilient sleeve 240 can also be fixed on the end face of the first end 220a of idler wheel 220 by the way of bonding 222。

In one embodiment, the resilient sleeve 240 positioned at the end face 222 of the first end 220a of idler wheel 220 can be parallel to End face 222, to reduce the coefficient of friction of idler wheel 220 Yu glove component 210.

In one embodiment, referring to figs 12 to Figure 14, resilient sleeve 240 can also include: extension 244, extension 244 can between main noise reduction unit 241 and the second end 220b of idler wheel 220, and at least cladding roller 220 be located at main noise reduction Outer peripheral surface between portion 241 and the second end 220b of idler wheel 220, main noise reduction unit 241 protrudes outward on the radial r of idler wheel 220 In extension 244.Thus, it is possible to which the second end 220b to idler wheel 220 also carries out protection appropriate, reduce idler wheel on the whole Friction when 220 rolling, reaches better noise reduction effect.

In one embodiment, on the axial a along idler wheel 220, extension 244 may include opposite first end 244a With second end 244b, wherein the first end 244a of extension 244 can be connected with main noise reduction unit 241.

Alternatively, the first end 244a of extension 244 can also be not attached to main noise reduction unit 241, that is, 244 He of extension May exist gap between main noise reduction unit 241.

In one embodiment, on the axial a along idler wheel 220, the second end 244b of extension 244 can be with idler wheel The end face 222 of 220 second end 220b flushes.

Alternatively, extension 244 can be at least part of the end face 222 of the second end 220b of cover roller 220.For example, The extension 244 can be combined by way of bonding with the end face of the second end 220b of the idler wheel 220.

Alternatively, the end face 222 of the second end 220b of idler wheel 220 also can have fixing groove 223 as shown in figure 11, extend Portion 244 can have the installation flange 243 in insertion fixing groove 223 as shown in figure 11.Thus, it is possible to the of idler wheel 220 The end face 222 of two end 220b positions resilient sleeve 240.

In one embodiment, referring to figs 12 to Figure 14, extension 244 and auxiliary noise reduction unit 242 can relatively main noise reduction units 241 are symmetrical arranged.As a result, by symmetric design, so that either end of the idler wheel 220 in the both ends of axial a can be used as First end 220a is installed, and assembly complexity is reduced.

For example, idler wheel 220 shown in Figure 12 to Figure 14 can be used as first along the either end of axial a in practical set End 220a is installed on Fig. 1 to glove component 210 shown in Fig. 3 with the direction towards glove component 210, is not necessarily to installation personnel volume The installation direction of outer judgement idler wheel 220.

In one embodiment, side of the resilient sleeve 240 far from idler wheel 220 can be planar shaped, good slow to play Effect is rushed, and reduces the preparation difficulty of resilient sleeve 240.For example, auxiliary noise reduction unit 242 and extension 244 are remote referring to figs 12 to Figure 14 Side from idler wheel 220 can be planar shaped.

Alternatively, the side of auxiliary noise reduction unit 242 and extension 244 far from idler wheel 220 can also be with reference to shown in Fig. 6 to Fig. 8 For arc.

As a change case, extension 244 and auxiliary noise reduction unit 242 can the asymmetric setting of main noise reduction unit 241 relatively, example Such as, auxiliary side of the noise reduction unit 242 far from idler wheel 220 can be planar shaped, and side of the extension 244 far from idler wheel 220 then can be with For arc, vice versa.

In one embodiment, the material of resilient sleeve 240 can be selected from: thermoplastic elastomer (TPE) (Thermoplastic Elastomer, abbreviation TPE), rubber material (such as thermoplastic polyurethane elastomer rubber Thermoplastic Polyurethanes, abbreviation TPU) and silica gel, to play pooling feature, realization noise reduction effect.

Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art, In It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model It should be defined by the scope defined by the claims..

Claims

1. a kind of refrigerator (200), comprising:

To place the glove component (210) of article；

Track (230), is located at at least side of the glove component (210), and the glove component (210) is suitable for along the rail Road (230) sliding, the glide direction of the glove component (210) are parallel to the glove component (210) (x) in the width direction Middle line (b)；

Idler wheel (220), the idler wheel (220) are fixed on at least side of the glove component (210) and are supported in the track (230), or, the idler wheel (220) is fixed on the track (230) to support the glove component (210)；

The idler wheel (220) includes opposite first end (220a) and second end (220b), wherein the of the idler wheel (220) One end (220a) deviates from the middle line (b) towards the middle line (b), second end (220b)；

Resilient sleeve (240), the resilient sleeve (240) are sheathed on the idler wheel (220), and the resilient sleeve (240) includes main noise reduction Portion (241) and auxiliary noise reduction unit (242), along the axial direction (a) of the idler wheel (220), the main noise reduction unit (241) is located at the rolling The intermediate region of (220) is taken turns, the auxiliary noise reduction unit (242) is located at the first of the main noise reduction unit (241) and the idler wheel (220) It holds between (220a), the main noise reduction unit (241) protrudes outward in the auxiliary noise reduction in the radial direction (r) of the idler wheel (220) Portion (242).

2. refrigerator (200) according to claim 1, which is characterized in that the auxiliary noise reduction unit (242) and the main noise reduction unit (241) it is connected.

3. refrigerator (200) according to claim 1, which is characterized in that the auxiliary noise reduction unit (242) and the main noise reduction unit (241) there are gaps between.

4. refrigerator (200) according to claim 1, which is characterized in that the intermediate region of the idler wheel (220) is along the rolling The circumferential direction (c) of wheel (220) opens up fluted (221), and the main noise reduction unit (241) is embedded in the groove (221).

5. refrigerator (200) according to claim 1, which is characterized in that the auxiliary noise reduction unit (242) coats the rolling completely Take turns the outer peripheral surface between main noise reduction unit (241) and the first end (220a) of idler wheel (220) of (220).

6. refrigerator (200) according to claim 1, which is characterized in that the resilient sleeve (240) covers the idler wheel (220) at least part of the end face (222) of first end (220a).

7. refrigerator (200) according to claim 6, which is characterized in that the end of the first end (220a) of the idler wheel (220) Face (222) has fixing groove (223), and the resilient sleeve (240) has the installation flange being inserted into the fixing groove (223) (243)。

8. refrigerator (200) according to claim 1, which is characterized in that the resilient sleeve (240) further include:

Extension (244), the extension (244) are located at the second end of the main noise reduction unit (241) and the idler wheel (220) Between (220b), and at least coat the second end positioned at the main noise reduction unit (241) and idler wheel (220) of the idler wheel (220) Outer peripheral surface between (220b), the main noise reduction unit (241) protrudes outward in described in the radial direction (r) of the idler wheel (220) Extension (244).

9. refrigerator (200) according to claim 8, which is characterized in that the extension (244) and the auxiliary noise reduction unit (242) the relatively described main noise reduction unit (241) is symmetrical arranged.

10. refrigerator (200) according to claim 1, which is characterized in that be directed toward the rolling from the main noise reduction unit (241) On the direction for taking turns the first end (220a) of (220), the thickness (h) of the auxiliary noise reduction unit (242) is gradually decreased.

11. refrigerator (200) according to any one of claim 1 to 10, which is characterized in that the resilient sleeve (240) is remote Side from the idler wheel (220) is arc, and/or, side of the resilient sleeve (240) far from the idler wheel (220) is flat Face shape.

12. refrigerator (200) according to any one of claim 1 to 10, which is characterized in that the resilient sleeve (240) Material is selected from: thermoplastic elastomer (TPE), rubber material and silica gel.

13. refrigerator (200) according to any one of claim 1 to 10, which is characterized in that the glove component (210) It include: drawer or shelf.