CN218347788U

CN218347788U - Bearing seat and bearing fixing structure

Info

Publication number: CN218347788U
Application number: CN202222731261.3U
Authority: CN
Inventors: 刘庆超; 黄燕青; 杨洋
Original assignee: Shanghai Imilab Technology Co Ltd
Current assignee: Shanghai Imilab Technology Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-20
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a bearing frame and bearing fixed knot construct. The bearing frame includes: the base body is provided with a mounting hole for mounting a bearing; and a raised structure provided on a wall of the mounting hole, wherein the raised structure is configured to engage the bearing to secure the bearing. The bearing fixing structure comprises a bearing and the bearing seat; the bearing is arranged in the bearing hole of the base body. The utility model provides a pair of bearing frame and bearing fixed knot construct through setting up protruding structure in the mounting hole at the pedestal for directly impress the bearing when the installation bearing in the mounting hole alright, need not use other accessories (for example screw) to fix, reduced the installation procedure and the cost of bearing.

Description

Bearing seat and bearing fixing structure

Technical Field

The utility model belongs to the technical field of bearing installation technique and specifically relates to a bearing frame and bearing fixed knot construct.

Background

With the rapid development of consumer electronics products, cost and ease of assembly become important considerations for mainstream products. The bearing seat is a seat body used for fixing the bearing and bearing a certain supporting force. At present, after a bearing is assembled on a bearing seat, most of bearings are fastened by screws, and the assembling mode has the defects of multiple processes and high cost.

The statements in the background section are merely prior art as they are known to the inventors and do not, of course, represent prior art in this field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bearing frame and bearing fixed knot construct to solve the many, with high costs problem of current bearing installation procedure.

The utility model provides a bearing pedestal, include:

the base body is provided with a mounting hole for mounting a bearing; and the combination of (a) and (b),

a convex structure arranged on the wall of the mounting hole,

wherein the raised structure is configured to engage the bearing to secure the bearing.

According to an aspect of the utility model, protruding structure includes fixed tooth, fixed tooth is followed the axial setting of mounting hole.

According to an aspect of the present invention, the fixed teeth are sharp teeth or blunt teeth.

According to one aspect of the present invention, the protruding structure has a plurality of the fixing teeth, and the plurality of the fixing teeth are arranged at intervals along a circumferential direction of the mounting hole; tooth sockets are arranged between the adjacent fixed teeth and are formed in the hole wall of the mounting hole.

According to an aspect of the utility model, fixed tooth protrusion in the pore wall 0.05-0.5mm of mounting hole.

According to an aspect of the utility model, fixed tooth protrusion in the pore wall 0.1-0.15mm of mounting hole.

According to the utility model discloses an aspect, the pedestal with the juncture of mounting hole reaches the pedestal with the juncture of fixed tooth tip all is provided with the chamfer.

According to an aspect of the invention, the protruding structure comprises one or more spherical protrusions, conical protrusions or mesa-shaped protrusions.

According to the utility model discloses an aspect, protruding structure follows the circumferencial direction interval of mounting hole is provided with the multiunit.

The utility model also provides a bearing fixed knot constructs, include:

the bearing housing as described above; and

and the bearing is arranged in the bearing hole of the seat body.

Compared with the prior art, the embodiment of the utility model provides a bearing frame and bearing fixed knot construct through setting up protruding structure in the mounting hole at the pedestal for directly impress the bearing during the mounting hole alright when the installation bearing, need not use other accessories (for example screw) to fix, reduced the installation process and the cost of bearing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a bearing housing according to an embodiment of the invention;

fig. 2 shows a cross-sectional view of a bearing housing according to an embodiment of the invention;

fig. 3 shows a schematic view of a bearing fixation structure according to an embodiment of the present invention;

fig. 4 shows a cross-sectional view of a bearing fixation structure according to an embodiment of the present invention.

In the figure: 100. a bearing seat; 110. a base body; 111. mounting holes; 112. an assembly hole; 113. a support surface; 120. a raised structure; 121. fixing teeth; 122. a tooth socket; 130. chamfering; 200. a bearing fixing structure; 210. and a bearing.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Fig. 1 shows a schematic view of a bearing housing 100 according to an embodiment of the present invention, and fig. 2 shows a cross-sectional view of the bearing housing 100 according to an embodiment of the present invention, which is described in detail below with reference to fig. 1 and 2.

As shown in fig. 1 and 2, the bearing housing 100 includes a housing body 110 and a boss structure 120. The housing 110 is used to provide space and constraint for mounting the bearing, in this embodiment, the housing 110 is made of plastic, and in other embodiments, the housing 110 may also be made of metal. The base 110 is provided with a mounting hole 111, and the protruding structures 120 are disposed on a hole wall of the mounting hole 111 for engaging with a bearing to fix the bearing, preferably, the protruding structures 120 may be disposed in a plurality, and the plurality of protruding structures 120 are disposed at intervals along a circumferential direction of the mounting hole 111. When the bearing is installed, the bearing is directly pressed into the installation hole 111, the protruding structure 120 is in interference fit with the bearing to clamp and fix the bearing, and other accessories (such as screws) are not needed to be used for fixing, so that the installation process and the cost of the bearing are reduced.

According to an embodiment of the present invention, as shown in fig. 1, the protrusion structure 120 may include a fixing tooth 121 disposed along an axial direction of the mounting hole 111. Stationary teeth 121 can be tines (e.g., the tines of the tines are sharp as shown in fig. 1). In some related technologies, the bearing is fixed on the bearing seat through interference fit between the bearing and a bearing hole on the bearing seat, and when the bearing seat is made of plastic, the bearing seat is easily cracked by the bearing, and particularly after the bearing seat is used for a period of time, the bearing seat is more easily cracked by the bearing due to the effects of material aging, internal stress and external load. The utility model discloses in, take place deformation easily behind the sharp-pointed prong of fixed tooth 121 pressurized, after impressing the bearing in mounting hole 111, the prong of fixed tooth 121 can be by extrusion deformation to can offset certain magnitude of interference, reduce the pedestal 110 of plastics material and be propped the possibility of splitting. In other embodiments, stationary teeth 121 may also be blunt teeth (the tips of the blunt teeth may be, for example, flat or rounded). In some embodiments, the bump structures 120 may also include one or more spherical bumps, conical bumps, and/or mesa-shaped bumps.

According to an embodiment of the present invention, as shown in fig. 1, the protrusion structure 120 may have a plurality of the fixing teeth 121 (three are taken as an example in this embodiment), and the plurality of the fixing teeth 121 may be disposed at intervals in a circumferential direction of the mounting hole 111. A tooth groove 122 is provided between two adjacent fixed teeth 121, and the tooth groove 122 is opened on the hole wall of the mounting hole 111. The bearing can be better fixed by arranging the fixing teeth 121 in the convex structure 120, and the stability is improved. The tooth grooves 122 are arranged to allow the fixed teeth 121 to be easily deformed when pressed, so that the fixed teeth 121 are pressed and deformed when the bearing is pressed into the mounting hole 111, thereby offsetting a certain interference and reducing the possibility of the seat body 110 being burst.

According to an embodiment of the present invention, as shown in fig. 1, the fixing teeth 121 protrude from the hole wall of the mounting hole 111 by 0.05-0.5mm, and preferably, the fixing teeth 121 protrude from the hole wall of the mounting hole 111 by 0.1-0.15mm.

According to an embodiment of the present invention, as shown in fig. 2, the seat body 110 may further be provided with an assembling hole 112 and a supporting surface 113, the assembling hole 112 is located at an inlet end (upper end in fig. 2) of the mounting hole 111 and is communicated with the mounting hole 111; the support surface 113 is located at the other end (lower end in fig. 2) of the mounting hole 111, and the support surface 113 is used for limiting the bearing in the axial direction of the mounting hole 111 and preventing the bearing from moving in the axial direction of the mounting hole 111.

According to an embodiment of the present invention, as shown in fig. 2, a junction between the seat body 110 and the inlet end of the mounting hole 111 is provided with a chamfer 130, and a junction between the seat body 110 and the clamping end (upper end in fig. 2) of the fixing teeth 121 is also provided with a chamfer 130. The chamfer 130 is used to guide the bearing into the mounting hole 111, improving the ease of mounting the bearing.

Compared with the prior art, the utility model discloses a set up protruding structure 120 in the mounting hole 111 of pedestal 110 for directly impress the bearing during mounting hole 111 alright when the installation bearing, need not use other accessories (for example screw) to fix, reduced the installation procedure and the cost of bearing.

Fig. 3 shows a schematic view of a bearing fixing structure 200 according to an embodiment of the present invention, and fig. 4 shows a cross-sectional view of the bearing fixing structure 200 according to an embodiment of the present invention, which is described in detail below with reference to fig. 3 and 4.

As shown in fig. 3 and 4, the bearing fixing structure 200 includes a bearing 210 and a bearing housing 100. The bearing seat 100 includes a seat body 110 and a protrusion structure 120. The base 110 is used to provide space and constraint for the installation of the bearing 210, in this embodiment, the base 110 is made of plastic, and in other embodiments, the base 110 may also be made of metal. The base body 110 is provided with a mounting hole 111, and the protruding structure 120 is arranged on the wall of the mounting hole 111; preferably, the protruding structure 120 may be provided in a plurality, and the plurality of protruding structures 120 are spaced apart from each other along the circumferential direction of the mounting hole 111. The bearing 210 is disposed in the mounting hole 111 and clamped by the boss structure 120.

According to an embodiment of the present invention, as shown in fig. 3, the protrusion structure 120 may include a fixing tooth 121 disposed along an axial direction of the mounting hole 111. Stationary teeth 121 may be tines. The sharp tooth tip is deformed after being pressed by the bearing 210, so that a certain interference magnitude can be offset, and the possibility that the plastic seat body 110 is burst by the bearing 210 is reduced. Stationary teeth 121 may also be blunt teeth in other embodiments. In some embodiments, the bump structures 120 may also include one or more spherical bumps, conical bumps, and/or mesa-shaped bumps.

According to an embodiment of the present invention, as shown in fig. 3, the protrusion structure 120 may have a plurality of the fixing teeth 121 (three are taken as an example in this embodiment), and the plurality of the fixing teeth 121 may be disposed at intervals along the circumferential direction of the mounting hole 111. A tooth groove 122 is provided between two adjacent fixed teeth 121, and the tooth groove 122 is opened on the hole wall of the mounting hole 111. The bearing 210 can be better fixed by arranging a plurality of fixed teeth 121 in the convex structure 120, and the stability is improved. The tooth grooves 122 are arranged to enable the fixing teeth 121 to be easily deformed after being pressed, so that the fixing teeth 121 can be pressed and deformed after the bearing 210 is pressed into the mounting hole 111, a certain interference can be offset, and the possibility that the seat body 110 is propped and cracked is reduced.

According to an embodiment of the present invention, as shown in fig. 3, the fixing teeth 121 protrude from the hole wall of the mounting hole 111 by 0.05-0.5mm, preferably, the fixing teeth 121 protrude from the hole wall of the mounting hole 111 by 0.1-0.15mm.

According to an embodiment of the present invention, as shown in fig. 4, the seat body 110 may further be provided with an assembling hole 112 and a supporting surface 113, the assembling hole 112 is located at an inlet end (upper end in fig. 4) of the mounting hole 111 and is communicated with the mounting hole 111; the supporting surface 113 is located at the other end (lower end in fig. 4) of the mounting hole 111, and the supporting surface 113 is used for limiting the position of the bearing 210 in the axial direction of the mounting hole 111 and preventing the bearing 210 from moving in the axial direction of the mounting hole 111.

According to an embodiment of the present invention, as shown in fig. 4, a junction between the seat body 110 and the inlet end of the mounting hole 111 is provided with a chamfer 130, and a junction between the seat body 110 and the clamping end (upper end in fig. 4) of the fixing teeth 121 is also provided with a chamfer 130. The chamfer 130 is used to guide the bearing 210 into the mounting hole 111, improving the ease of mounting the bearing 210.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing housing, comprising:

the base body is provided with a mounting hole for mounting the bearing; and the combination of (a) and (b),

a convex structure arranged on the wall of the mounting hole,

2. A bearing housing according to claim 1, wherein the boss structure comprises fixing teeth disposed in an axial direction of the mounting hole.

3. The bearing of claim 2 wherein said fixed teeth are pointed or blunt teeth.

4. A bearing housing according to claim 2, wherein the boss structure has a plurality of the fixing teeth, the plurality of fixing teeth being arranged at intervals in a circumferential direction of the mounting hole; tooth grooves are formed between the adjacent fixed teeth and are formed in the hole wall of the mounting hole.

5. A bearing housing according to claim 4, wherein the retaining teeth project 0.05-0.5mm from the wall of the mounting hole.

6. A bearing housing according to claim 5, wherein the fixing teeth project 0.1-0.15mm from the wall of the mounting hole.

7. The bearing seat according to claim 2, wherein chamfers are provided at the interface of the seat body and the mounting hole and the interface of the seat body and the end portion of the fixed tooth.

8. A bearing housing according to claim 1, wherein the projection arrangement comprises one or more of a spherical projection, a conical projection or a plateau-shaped projection.

9. A bearing housing according to any one of claims 1 to 8, wherein the raised formations are provided in groups spaced circumferentially of the mounting aperture.

10. A bearing fixing structure, comprising:

a bearing housing according to any one of claims 1 to 9; and

and the bearing is arranged in the bearing hole of the seat body.