CN1435331A - Vehicle wheel assembly - Google Patents
Vehicle wheel assembly Download PDFInfo
- Publication number
- CN1435331A CN1435331A CN02100788A CN02100788A CN1435331A CN 1435331 A CN1435331 A CN 1435331A CN 02100788 A CN02100788 A CN 02100788A CN 02100788 A CN02100788 A CN 02100788A CN 1435331 A CN1435331 A CN 1435331A
- Authority
- CN
- China
- Prior art keywords
- wheel
- lining
- guide rail
- needle bearing
- wheel assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Refrigerator Housings (AREA)
Abstract
A rolling wheel assembly for decreasing abrasion is characterized by that more needle bearings are positioned in a ring liner casing, their external peripheral surfaces are projected toward the external periphery of lining casing, the internal circumference of wheel is in contact with the external peripheral surface of needle bearings, and the highest point on the external circumference of wheel is a curved surface eccentric toward one side. Its advantages are high reliability, less abrasion and long service life.
Description
Technical field
The invention relates to the roller that is used for the drawer type electric refrigerator, particularly be a kind of roll wheel assembly.
Background technology
General drawer type electric refrigerator has container, and container is arranged in the storage space of refrigerator body, comes in and goes out with the form of drawer.That is to say that the door of refrigerator is arranged on the front of refrigerator, container forms one with door, along with the switching of door is is and then come in and gone out.If when wanting to put into food in refrigerator, pull the door open, container is drawn out simultaneously.After in container, putting into food, it is closed, so food is put into the inside of refrigerator by pushing.
As shown in Figure 1, in the drawer type electric refrigerator, the container C both sides of electric refrigerator are provided with a guide rail 10.Moving of door guide rail 10 guiding container C, door guide rail 10 prolongs to the refrigerator inboard.The bottom of door guide rail 10 is provided with trolley 2.
On the one hand, the two side I in the refrigerator is provided with guide rail 12.Guide rail 12 is places that trolley 2 inserts.Trolley 2 is rotated with following contact of guide rail 12.Guide rail 12 is the same with door guide rail 10, and to the inboard prolongation of refrigerator, a upper lateral part of guide rail 12 is provided with guide wheel 13.
Door guide rail 10 and guide rail 12 so door guide rail 10 and guide rail 12 inside can be put into trolley 11 and guide wheel 13 respectively, and support trolley 11 and guide wheel 13 mutually towards ' n ' font that forms sidewards.That is to say that trolley 11 is inserted in the guide rail 12, guide rail 12 also supports trolley 11.Draw back or close door, then trolley 11 contacts with the lower inside of guide rail 12, is rotated mobile.
In addition, guide wheel 13 contacts at door guide rail 10 inboard inner crest faces with door guide rail 10, and during shutter door, guide wheel 13 is along with the mobile of door guide rail 10 is rotated.
As mentioned above, can make door identical with the structure of guide wheel 13 with the container trolley 11 of successfully coming in and going out, below the structure of pair roller assembly 11,13 describe.Axle 14 is given prominence on the madial wall I and door guide rail 10 that is fixed on refrigerator.Axle 14 is centre of grations of roll wheel assembly 11,13.
Be inserted in wheel 15 on the neighboring of axle 14, wheel 15 contacts with door guide rail 10 and guide rail 12 and is rotated.The outer peripheral face of wheel 15 is planes, carries out face with door guide rail 10 with guide rail 12 and contacts and be rotated.The central part of wheel 15 is formed with circular internal circle groove 15a.
In addition, the internal circle groove 15a inboard of wheel 15 is inserted with the lining 17 of ring-type.As shown in Figure 2, lining 17 is formed with a plurality of bearing insertion groove 17a, is inserted with the needle bearing 16 of same number with it on the bearing insertion groove 17a.Be inserted at needle bearing 16 under the state of bearing insertion groove 17a, needle bearing 16 is outstanding slightly to the neighboring and the inner periphery side of lining 17, and needle bearing 16 contacts with the outer peripheral face of axle 14 and the inner peripheral surface of wheel 15 internal circle groove 15a.For the combination that makes lining-bearing does not break away from, on internal circle groove 15 a, be provided with and cover 9.
Be rotated along with contacting with door guide rail 10 and guide rail 12, wheel 15 is rotated, and the needle bearing 16 that inserts the internal circle groove 15a of wheel 15 contacts with axle 14 outer peripheral faces with the inner peripheral surface of internal circle groove 15a and is rotated.
But the prior art roll wheel assembly with said structure has following shortcoming.
When in the container C of refrigerator during meaningful thing, trolley 11 and guide wheel 13 need to support under the load state of contents and be rotated.So the axle 14 that is subjected to load effect is to lower stress, roll wheel assembly 11,13 is also to lower stress.Contact and be rotated because wheel 15 and door guide rails 10 and guide rail 12 carry out face,, cause serviceability decline so sharply increase of friction when lower stress occurs.
In addition, be inserted with needle bearing 16 in the lining 17, needle bearing 16 is side-prominent to lining 17 neighborings.But under above-mentioned state, use for a long time, the corner that the outer peripheral face of needle bearing 16 and terminal surface form produces abrasion action to the inner peripheral surface of taking turns 15 internal circle groove 15a, produce the gap between needle bearing 16 and the internal circle groove 15a, the phenomenon that occurs rocking also becomes the major cause that reduces serviceability.
Also have, takes place above-mentionedly when the lower stress phenomenon, the corner of internal circle groove 15a inner peripheral surface and needle bearing 16 produces friction meeting increase, so under this state, wheel 15 is rotated, not only makes wheel 15 be difficult to rotation, and make the wearing and tearing of internal circle groove 15a inner peripheral surface more serious.
Summary of the invention
In order to improve the problem of above-mentioned prior art, the purpose of this invention is to provide a kind of raising serviceability, the roll wheel assembly that reduces wear.
To achieve these goals, the invention provides that following specific embodiments implements: the lining of ring-type forms a plurality of bearing insertion grooves; A plurality of needle bearings are inserted in the bearing insertion groove, and the outer peripheral face of a plurality of needle bearings is side-prominent to the neighboring of lining; The wheel inner peripheral surface contacts with the outer peripheral face of needle bearing, and the outer peripheral face vertex of wheel is to a side accentric projected curved surface.
Above-mentionedly take turns the vertex of outer peripheral face and the length direction center of needle bearing is on same vertical curve.
The above-mentioned lining section of being provided with difference part, the length of section difference part is identical to the length of lining peripheral edge side outshot with needle bearing.
Roll wheel assembly of the present invention with said structure can bring following effect: downward-sloping even roll wheel assembly appears in roll wheel assembly of the present invention, still can successfully be rotated.So the user pleases oneself to product on serviceability.In addition, owing to reduced the wearing and tearing of wheel, normal even long-time use also can guarantee to take turns serviceability, need not to change continually parts, the user can cost saving.
Description of drawings
Fig. 1 is the part lateral plan of the roll wheel assembly structure of prior art.
Fig. 2 is the oblique drawing of the lining of prior art.
Fig. 3 is the part lateral plan of roll wheel assembly structure of the present invention.
Fig. 4 is the oblique drawing of lining of the present invention.
Among the figure
9. build 10. guide rails
11. trolley 12. guide rails
13. 14. on guide wheel
15. wheel 15a. internal circle groove
16. needle bearing 17. linings
17a. bearing insertion groove 17b. section difference part
I. madial wall C. container
The specific embodiment
The present invention will be described in detail below in conjunction with the drawings and specific embodiments.
Fig. 3 is the part lateral plan of roll wheel assembly structure of the present invention.As shown in the figure, door guide rail 10 is located on the side of container C of drawer type refrigerator, and door guide rail 10 prolongs to the inboard of refrigerator.Trolley 11 is arranged on a side bottom of a guide rail 10.
Guide rail 12 is arranged on the madial wall I of refrigerator, and trolley 11 is inserted on the guide rail 12.Guide wheel 13 is arranged on a side upper end of guide rail 12, and guide wheel 13 is inserted in the guide rail 10.
Structure to the roll wheel assembly 11,13 that constitutes above-mentioned trolley 11 and guide wheel 13 describes below.Axle 14 outstanding being fixed on the madial wall I and container C of refrigerator, axle plays the S. A. effect of roll wheel assembly 11,13.Wheel 15 is enclosed within on the axle 14, and the inside of wheel 15 is formed with circular internal circle groove 15a.The outstanding curved surface of the outer peripheral face of wheel 15 contacts contact point---the lateral deviation heart of vertex between wheel 15 and rail 11,13 with door guide rail 10 and guide rail 12.
Wheel 15 outer peripheral face is arranged to curved surface, is subjected to also can successfully rotating under the state of loading in order to make axle 14.In addition, making contact point accentric reason is to make the center of the contact point between wheel 15 and the rail 11,13 and the length direction of needle bearing 16 on same vertical curve.
Above-mentioned design-calculated purpose is: the practical function point of loading P---wheel 15 and rail 11, when the contact point between 13 breaks away from the length direction center of needle bearing 16, needle bearing 16 is subjected to the pressure to lopsidedness, and the sideway swivel that needle bearing 16 is under pressure has some setbacks.So, make loading P be applied to the length direction center of needle bearing 16, P disperses equably with loading.
On the one hand, the internal circle groove 15a of wheel 15 is provided with the lining 17 of a plurality of needle bearings 16 and ring-type.A plurality of needle bearings 16 are arranged between wheel 15 and the axle 14, make the rotation of wheel 15 more smooth and easy.The lining 17 of ring-type is needle bearing 16 fixedly, is inserted in the internal circle groove 15a of wheel 15.As shown in Figure 4, lining 17 is provided with and inserts more than 16 bearing insertion groove 17a of needle bearing, sees from figure, and downside forms to the outstanding section difference part 17b in neighboring.Above-mentioned needle bearing 16 is inserted in the bearing insertion groove 17a, and needle bearing 16 has a certain-length to lining 17 outer peripheral faces are side-prominent, and is identical with the length L of section difference part 17b.Lining-bearing combination is inserted under the state of wheel 15 internal circle groove 15a, to the outer peripheral face and the terminal corner that forms of the outstanding needle bearing 16 of lining 17 outer peripheral faces.The purpose of the section of setting difference part 17b is: preventing that the corner from contacting with the inner peripheral surface of internal circle groove 15a to produce weares and teares.
Below the working process of the present invention with said structure is described.
Along with the door that opens and closes refrigerator, the container C that forms the refrigerator of one with door is is also together come in and gone out.At this moment being arranged on trolley 11 on the container C contacts below guide rail 12 and is rotated and moves; Guide wheel 13 with contact the moving and being rotated of guiding trolley 11 above the door guide rail 10.
On the one hand, when storage in the container C has food, trolley 11 and guide wheel 13 are subjected to loading, the contact point of trolley 11 and guide wheel 12 and rail 10,12, with the length direction center of the needle bearing 16 that is positioned at trolley 11 inboards on same vertical curve, so loading is disperseed to support by needle bearing, and needle bearing 16 can be rotated fully, and trolley 11 and guide wheel 13 can successfully be rotated.
As mentioned above, under the state of loading P long duration of action, the axle 14 that supports trolley 11 and guide wheel 13 is downward-sloping, causes trolley 11 and guide wheel 13 also to follow slight inclination.Because the outer peripheral face of wheel 15 is the curved surface shape, so under above-mentioned state, can rotate smoothly.
Because the section of being formed with difference part 17b on the lining 17, the terminal part corner that is inserted in the needle bearing 16 in the lining 17 can not contact with the inner peripheral surface of wheel 15 internal circle groove 15a, and the inner peripheral surface of taking turns 15 internal circle groove 15a only contacts with the outer peripheral face of section difference part 17b and the outer peripheral face of needle bearing 16.So, prevented that the corner part of needle bearing 16 from causing wearing and tearing to the inner peripheral surface of taking turns 15 internal circle groove 15a, so even long-time the use, the internal circle groove 15a abrasion loss of wheel 15 also can be seldom.
As mentioned above, basic fundamental thought of the present invention is as follows: be subjected to loading under the state of lower stress as the trolley of refrigerator and the roll wheel assembly of guide wheel, also can successfully rotate, and reduce the wearing and tearing of wheel.
In above-mentioned technical scope,, a lot of other distortion can be proposed on basis of the present invention for the technical personnel with general knowledge of the same industry.
Such as, in the present invention, roll wheel assembly is used for the trolley 11 and the guide wheel 13 of refrigerator, and any roll wheel assembly that rotates can be suitable for roll wheel assembly of the present invention under the state that supports loading.
Claims (3)
1. a roll wheel assembly is characterized in that the lining (17) of ring-type forms a plurality of bearing insertion grooves (17a); A plurality of needle bearings (16) are inserted in the bearing insertion groove (17a), and the outer peripheral face of a plurality of needle bearings (16) is side-prominent to the neighboring of lining (17); Wheel (15) inner peripheral surface contacts with the outer peripheral face of needle bearing (16), and the outer peripheral face vertex of wheel (15) is to a side accentric projected curved surface.
2. according to the described roll wheel assembly of claim 1, the length direction center that it is characterized in that taking turns the vertex of (15) outer peripheral face and needle bearing (16) is on same vertical curve.
3. according to the described roll wheel assembly of claim 1, it is characterized in that lining (17) section of being provided with difference part (17b), the length of section difference part (17b) is identical to the length of lining (17) peripheral edge side outshot with needle bearing (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021007888A CN1311991C (en) | 2002-01-29 | 2002-01-29 | Vehicle wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021007888A CN1311991C (en) | 2002-01-29 | 2002-01-29 | Vehicle wheel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1435331A true CN1435331A (en) | 2003-08-13 |
| CN1311991C CN1311991C (en) | 2007-04-25 |
Family
ID=27627266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021007888A Expired - Fee Related CN1311991C (en) | 2002-01-29 | 2002-01-29 | Vehicle wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1311991C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836799A (en) * | 2010-05-22 | 2010-09-22 | 邢秋平 | Novel roller type drawer slide rail |
| CN102721256A (en) * | 2008-02-29 | 2012-10-10 | 松下电器产业株式会社 | Rail device and refrigerator using the same |
| CN105980167A (en) * | 2014-01-29 | 2016-09-28 | Segos株式会社 | Roller unit having integrated fastening portion |
| CN107352313A (en) * | 2017-07-11 | 2017-11-17 | 拓卡奔马机电科技有限公司 | A kind of adjustable paving cloth table of width |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2659419B1 (en) * | 1990-03-06 | 1992-09-04 | Villemin Michel | LUBRICATION DEVICE FOR CASTERS. |
| JP2993647B2 (en) * | 1991-05-09 | 1999-12-20 | 日本トムソン株式会社 | Stud type track roller bearing |
| CN2291069Y (en) * | 1996-10-15 | 1998-09-16 | 广东省农业机械研究所 | Built-in castor for drawer guide |
| CN2352052Y (en) * | 1998-12-15 | 1999-12-08 | 梁伟明 | Bearing type roller for drawer guide |
| DE29915481U1 (en) * | 1999-09-03 | 2000-04-06 | Artur Kuepper Gmbh & Co Kg | Castor with cast iron drum |
-
2002
- 2002-01-29 CN CNB021007888A patent/CN1311991C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721256A (en) * | 2008-02-29 | 2012-10-10 | 松下电器产业株式会社 | Rail device and refrigerator using the same |
| CN102721256B (en) * | 2008-02-29 | 2015-02-18 | 松下电器产业株式会社 | Rail device and refrigerator using the same |
| US9332840B2 (en) | 2008-02-29 | 2016-05-10 | Panasonic Intellectual Property Management Co., Ltd. | Rail device and refrigerator using the same |
| CN101836799A (en) * | 2010-05-22 | 2010-09-22 | 邢秋平 | Novel roller type drawer slide rail |
| CN105980167A (en) * | 2014-01-29 | 2016-09-28 | Segos株式会社 | Roller unit having integrated fastening portion |
| CN105980167B (en) * | 2014-01-29 | 2018-03-20 | Segos株式会社 | The one-piece type roller unit in fastening part |
| CN107352313A (en) * | 2017-07-11 | 2017-11-17 | 拓卡奔马机电科技有限公司 | A kind of adjustable paving cloth table of width |
| CN107352313B (en) * | 2017-07-11 | 2019-12-03 | 拓卡奔马机电科技有限公司 | A kind of adjustable paving cloth table of width |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1311991C (en) | 2007-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101338581B1 (en) | Radial rolling bearing | |
| CN1435331A (en) | Vehicle wheel assembly | |
| CN201651042U (en) | Cross cylindrical roller rotary disc bearing | |
| CN201423881Y (en) | Wheel of movable rack | |
| CN109760472A (en) | Omni-directional wheel with more terrain adaptabilities | |
| CN208763886U (en) | Reduce the mechanism of radial plunger pump revolving part and the friction of stator part | |
| CN205639319U (en) | Novel outer lane V -arrangement inner circle arc raceway ball bearing | |
| CN202914521U (en) | Roller | |
| CN209581024U (en) | Omni-directional wheel with more terrain adaptabilities | |
| CN208453750U (en) | Separate type pinch roller group | |
| CN205101404U (en) | Ultra -thin sealed bearing | |
| CN1542299A (en) | Balls spacer and rolling members thereof | |
| CN208069298U (en) | A kind of wear-resisting type polyurethane roller | |
| CN101260860B (en) | Hydraulic motor | |
| CN202465197U (en) | Composite roller bearing of forklift gantry | |
| CN215797791U (en) | Elevator roller guide shoe | |
| CN200965010Y (en) | Angle contact ball bearing | |
| CN214985629U (en) | Automobile front axle aluminum alloy steering knuckle connecting structure | |
| CN205639318U (en) | Novel interior outer lane all is arc toper profile raceway ball bearing | |
| CN214803529U (en) | Furniture drawer guide rail component | |
| CN218935010U (en) | Medical C-arm C-ring movement device | |
| CN2501758Y (en) | Clamping type supporting and pressing cable pulley for rand of cable way | |
| CN216072615U (en) | Novel high-speed goods lift guide rail | |
| CN101963189A (en) | Improved full complement cylindrical roller bearing | |
| CN104653662B (en) | A kind of drum is stopped |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |