CN217381200U

CN217381200U - Self-lubricating sleeve structure

Info

Publication number: CN217381200U
Application number: CN202220354999.XU
Authority: CN
Inventors: 王明星; 苏继宝; 陆春林; 盛超; 马彦宇
Original assignee: Changchun Faway Adient Automotive Systems Co Ltd
Current assignee: Changchun Faway Adient Automotive Systems Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-09-06
Anticipated expiration: 2032-02-22

Abstract

The utility model belongs to the technical field of automobile seats, and relates to a self-lubricating sleeve structure, which comprises a self-lubricating sleeve, wherein the self-lubricating sleeve is provided with an introduction groove; the self-lubricating sleeve is provided with a splayed notch; the self-lubricating sleeve is fixed with the bracket and moves relative to the shaft; the support is provided with a shaft sleeve flanging mounting hole; the self-lubricating sleeve is pressed into the shaft sleeve flanging mounting hole; the cross section of the lead-in groove is oblong or elliptical; the contact surface of the pin shaft of the self-lubricating sleeve is in contact with the outer surface of the shaft; the lead-in groove is contacted with the inner wall of a shaft sleeve flanging mounting hole of the bracket; the self-lubricating sleeve is provided with a convex characteristic; the bracket is provided with a limiting hole; the raised features are inserted into the limiting holes of the bracket; the self-lubricating sleeve is provided with a boss characteristic, and the boss characteristic is axially contacted with the shaft sleeve flanging mounting hole; the self-lubricating sleeve of the utility model can be matched with the long round or oval shaft and the hole, thereby eliminating the clearance and preventing abnormal sound; the self-lubricating sleeve, when mated with an oblong or elliptical shaft and bore, is easier to assemble than a circular self-lubricating sleeve.

Description

Self-lubricating sleeve structure

Technical Field

The utility model belongs to the technical field of car seat, a self-lubricating cover structure is related to, in particular to non-circular self-lubricating cover structure.

Background

In the prior art, the self-lubricating sleeve is generally circular and has no directivity when being assembled with a shaft hole.

Notice No. CN205064501U utility model discloses an efficient self-lubricating round pin axle, establish at epaxial manganese cover of round pin and self-lubricating cover including round pin axle and cover, self-lubricating cover is located between round pin axle and the manganese cover to fixed cover is established at the round pin epaxially. The self-lubricating sleeve is a copper sleeve, and a plurality of self-lubricating grooves are formed in the surface of the copper sleeve.

The present application relates to a self-lubricating sleeve suitable for assembling non-circular cross-section shaft hole parts, unlike the above-mentioned patents.

Disclosure of Invention

The utility model aims to solve the technical problem that the cooperation problem of non-circular shaft hole can not be applicable to of having overcome prior art existence provides a self-lubricating cover structure.

In order to solve the above technical problem, the present invention adopts the following technical solution, which is described below with reference to the accompanying drawings:

it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

A self-lubricating sleeve structure comprises a self-lubricating sleeve 1, wherein the self-lubricating sleeve 1 is provided with a lead-in groove 4; the self-lubricating sleeve 1 is provided with a splayed notch 8.

Further, the self-lubricating sleeve structure further comprises a support 2 and a shaft 3, wherein the self-lubricating sleeve 1 is fixed with the support 2 and moves relative to the shaft 3; the bracket 2 is provided with a shaft sleeve flanging mounting hole 7; the self-lubricating sleeve 1 is pressed into the shaft sleeve flanging mounting hole 7.

Further, the pin contact surface 11 of the self-lubricating sleeve 1 is in contact with the outer shaft surface 13 of the shaft 3.

Further, the lead-in groove 4 of the self-lubricating sleeve 1 is in contact with the sleeve burring mounting hole inner wall 12 of the bracket 2.

Further, the self-lubricating sleeve 1 is provided with a raised feature 5.

Further, the bracket 2 is provided with a limiting hole 6; the raised features 5 are inserted into the retaining holes 6 of the bracket.

Further, the self-lubricating sleeve 1 is provided with a boss feature 9, and the boss feature 9 is in axial contact with the shaft sleeve flanging mounting hole 7.

Further, the flange surface 10 of the self-lubricating sleeve 1 is in contact with the outer surface 14 of the shaft sleeve flanging installation hole of the bracket 2, and the inner surface 16 of the boss of the self-lubricating sleeve 1 is in contact with the inner surface 15 of the shaft sleeve flanging installation hole of the bracket 2.

Preferably, the cross-section of said introduction groove 4 is oblong.

Preferably, the cross-section of the introduction groove 4 is elliptical.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses self-lubricating cover can play the elimination clearance with long circular or oval axle and hole cooperation, prevents the abnormal sound effect.

The utility model discloses when self-lubricating cover and long circular or oval-shaped axle and hole cooperate, it changes in the assembly to compare circular self-lubricating cover.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a perspective view of the self-lubricating sleeve of the present invention;

FIG. 2 is a view of the bracket of the present invention;

FIG. 3 is a front view of the self-lubricating sleeve of the present invention;

fig. 4 is a top view of the self-lubricating sleeve of the present invention;

fig. 5 is a schematic diagram of a self-lubricating sleeve structure according to the present invention before assembly;

fig. 6 is a schematic diagram of the self-lubricating sleeve structure according to the present invention after assembly;

FIG. 7 is a schematic view in which the axial sectional shape is an ellipse;

FIG. 8 is a schematic view showing a sectional shape of a boss installation burring hole being an ellipse;

FIG. 9 is a schematic view of the self-lubricating sleeve as assembled in an oblong shape;

FIG. 10 is a schematic view of the self-lubricating sleeve as assembled in an elliptical shape;

FIG. 11 is a schematic view of the outer surface of the sleeve flange mounting hole;

in the figure: 1. a self-lubricating sleeve; 2. a support; 3. a shaft; 4. an introduction groove; 5. raised features; 6. a limiting hole; 7. a shaft sleeve flanging mounting hole; 8. a splayed notch; 9. boss feature; 10. a flange face; 11. a pin contact surface; 12. the shaft sleeve is flanged to the inner wall of the mounting hole; 13. an outer shaft surface; 14. the outer surface of the shaft sleeve flanging mounting hole; 15. the inner surface of the shaft sleeve flanging mounting hole; 16. the inner surface of the boss.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.

The present invention will be described in detail with reference to the accompanying drawings:

referring to fig. 5 and 6, a non-circular self-lubricating sleeve structure includes a self-lubricating sleeve 1, a bracket 2 and a shaft 3.

Referring to fig. 1, 2, 4, 8 and 11, the self-lubricating sleeve 1 is in partial contact with the shaft 3 and the bracket 2. After assembly, the lead-in groove 4 of the self-lubricating sleeve 1 is in contact with the inner wall 12 of the shaft sleeve flanging installation hole of the bracket 2, and the pin shaft contact surface 11 of the self-lubricating sleeve 1 is in contact with the outer surface 13 of the shaft 3. The flange surface 10 of the self-lubricating sleeve 1 is in contact with the outer surface 14 of the shaft sleeve flanging installation hole of the support 2, and the inner surface 16 of the boss of the self-lubricating sleeve 1 is in contact with the inner surface 15 of the shaft sleeve flanging installation hole of the support 2.

The self-lubricating sleeve 1 contains raised features 5 that serve to prevent rotation and orientation.

Referring to fig. 1 and 2, the bracket 2 includes a limiting hole 6 and a boss flange mounting hole 7. When the self-lubricating sleeve is installed, the raised features 5 are inserted into the limiting holes 6 of the support, and then the self-lubricating sleeve 1 is pressed into the shaft sleeve flanging installation hole 7.

Referring to fig. 3, the self-lubricating sleeve 1 comprises a splayed notch 8, and is extruded and deformed under the action of external force during installation, so that the size is compensated, and the installation is convenient.

Referring to fig. 4, the self-lubricating sleeve 1 contains a boss feature 9 that prevents axial pull-out after installation. After the self-lubricating sleeve is installed in place, the boss features 9 are axially contacted with the shaft sleeve flanging installation hole 7, and the noise caused by play abnormal sound and bumping collision after installation is prevented.

Referring to fig. 5 and 6, the self-lubricating sleeve 1 is fixed with the bracket 2 and moves relative to the shaft 3, and plays a self-lubricating role in the movement process.

Referring to fig. 7, 8, 9 and 10, the cross-sections of the boss burring attachment hole 7, the lead-in groove 4 and the shaft 3 are not circular, and the cross-section of the lead-in groove 4 is oblong or elliptical.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention. And those not described in detail in this specification are well within the skill of those in the art.

Claims

1. A self-lubricating sleeve structure is characterized in that:

comprises a self-lubricating sleeve (1), wherein the self-lubricating sleeve (1) is provided with an introduction groove (4); the self-lubricating sleeve (1) is provided with a splayed notch (8).

2. The self-lubricating sleeve structure of claim 1, wherein:

the self-lubricating sleeve is characterized by also comprising a bracket (2) and a shaft (3), wherein the self-lubricating sleeve (1) is fixed with the bracket (2) and moves relative to the shaft (3); the bracket (2) is provided with a shaft sleeve flanging mounting hole (7); the self-lubricating sleeve (1) is pressed into the shaft sleeve flanging mounting hole (7).

3. A self-lubricating sleeve structure according to claim 2, wherein:

the pin shaft contact surface (11) of the self-lubricating sleeve (1) is in contact with the outer shaft surface (13) of the shaft (3).

4. A self-lubricating sleeve structure according to claim 3, wherein:

the lead-in groove (4) of the self-lubricating sleeve (1) is contacted with the inner wall (12) of the shaft sleeve flanging installation hole of the bracket (2).

5. The self-lubricating sleeve structure of claim 4, wherein:

the self-lubricating sleeve (1) is provided with a raised feature (5).

6. The self-lubricating sleeve structure of claim 5, wherein:

the bracket (2) is provided with a limiting hole (6); the raised features (5) are inserted into the limiting holes (6) of the bracket.

7. The self-lubricating sleeve structure of claim 6, wherein:

the self-lubricating sleeve (1) is provided with a boss feature (9), and the boss feature (9) is in axial contact with the shaft sleeve flanging mounting hole (7).

8. The self-lubricating sleeve structure of claim 7, wherein:

the flange surface (10) of the self-lubricating sleeve (1) is in contact with the outer surface (14) of the shaft sleeve flanging mounting hole of the support (2), and the inner surface (16) of the boss of the self-lubricating sleeve (1) is in contact with the inner surface (15) of the shaft sleeve flanging mounting hole of the support (2).

9. The self-lubricating sleeve structure according to any one of claims 1 to 8, wherein:

the cross section of the lead-in groove (4) is oblong.

10. The self-lubricating sleeve structure according to any one of claims 1 to 8, wherein:

the cross section of the lead-in groove (4) is elliptical.