CN215720391U - Middle shaft sleeve assembly for hub brake - Google Patents
Middle shaft sleeve assembly for hub brake Download PDFInfo
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- CN215720391U CN215720391U CN202121744410.9U CN202121744410U CN215720391U CN 215720391 U CN215720391 U CN 215720391U CN 202121744410 U CN202121744410 U CN 202121744410U CN 215720391 U CN215720391 U CN 215720391U
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- middle shaft
- shaft sleeve
- sleeve body
- assembly
- slip
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Abstract
The utility model discloses a middle shaft sleeve assembly for a hub brake, which comprises a middle shaft sleeve body, wherein the middle shaft sleeve body is of a hole-embedded structure, the inner end of the middle shaft sleeve body is provided with a middle shaft groove which is communicated up and down, the outer end of the middle shaft sleeve body is provided with an anti-slip and anti-drop component, the anti-slip and anti-drop component is provided with three parts, one end of the middle shaft sleeve is provided with a trapezoidal bearing part fixedly connected with the middle shaft sleeve body, the side end of the trapezoidal bearing part is provided with an anti-skid clamping type convex part, one end of the anti-skid clamping type convex part is provided with an oblique connecting part, the other end of the oblique connecting part is connected with the trapezoidal bearing part, the anti-skid and anti-falling component can play a role in limiting, so that the fixing effect of the middle shaft sleeve component and the middle shaft hole seat is excellent, the plurality of anti-skid clamping type convex parts clamp the inner wall of the middle shaft hole seat, the middle shaft sleeve can not move up and down in the middle shaft hole seat when bearing capacity of the brake is received, and anti-skidding and anti-falling effects are excellent.
Description
Technical Field
The utility model relates to the technical field of hub brakes, in particular to a middle shaft sleeve assembly for a hub brake.
Background
The middle shaft sleeve is used as a key part of the whole brake, the middle shaft sleeve is a hole insert in the brake box, the use purpose of the middle shaft sleeve is that the middle shaft sleeve plays a role in bearing and limiting, the finished brake is assembled on the central shaft of the hub, and the thread locking force is borne by the middle shaft sleeve. CN201447035U discloses a front hub brake with a rocker arm for an electric vehicle, wherein a brake box is additionally provided with a positioning groove, a brake cable fixing plate, a middle shaft outer tube, a left shoe, a right shoe and a shoe support shaft to form a front hub brake with stronger braking force, beautiful appearance, water resistance and dust resistance, and simultaneously, an assembly integrated structure can be achieved to facilitate mass production and manufacture, but the structural design of a shaft sleeve is unreasonable, a clamping groove is usually arranged at the bottom of a middle shaft sleeve to clamp the convex part on the inner wall of the middle shaft hole seat in the clamping groove, but a gap exists between the clamping groove of the middle shaft sleeve and the convex part on the inner wall of the middle shaft hole seat in a clamping way, so that the convex part on the inner wall of the middle shaft hole seat can easily slide up and down in the clamping groove of the middle shaft sleeve when the middle shaft sleeve is subjected to the bearing force of a brake, and the convex part on the inner wall of the middle shaft hole seat can easily fall off from the clamping groove of the middle shaft sleeve after long-time use, thereby causing the middle shaft and the middle shaft sleeve to fall off from the middle shaft hole seat, and affecting the whole use of the brake, therefore, it is highly desirable to design a new middle bushing assembly for a hub brake by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that an anti-skidding and anti-falling assembly can play a limiting role, so that the fixing effect of a middle shaft sleeve assembly and a middle shaft hole seat is excellent, a plurality of anti-skidding clamping type convex parts clamp the inner wall of the middle shaft hole seat, so that a middle shaft sleeve cannot move up and down in the middle shaft hole seat when bearing force of a brake is received, and the anti-skidding and anti-falling assembly for a hub brake is excellent in anti-skidding and anti-falling effect.
In order to solve the problems, the utility model provides a middle shaft sleeve assembly for a hub brake, which comprises a middle shaft sleeve body, wherein the middle shaft sleeve body is of a hole-embedded structure, a middle shaft groove which is communicated up and down is formed in the inner end of the middle shaft sleeve body, an anti-skidding and anti-falling assembly is arranged at the outer end of the middle shaft sleeve body, the anti-skidding and anti-falling assembly is provided with three parts, a trapezoidal bearing part fixedly connected with the middle shaft sleeve body is arranged at one end of the anti-skidding and anti-falling assembly, an anti-skidding clamping type convex part is arranged at the side end of the trapezoidal bearing part, an inclined connecting part is arranged at one end of the anti-skidding and anti-falling type convex part, and the other end of the inclined connecting part is connected with the trapezoidal bearing part.
Preferably, the middle shaft groove is sleeved on the middle shaft, and the middle shaft penetrates through the middle shaft groove and extends towards the two ends so as to sleeve the middle shaft sleeve body on the middle shaft.
Preferably, the middle shaft sleeve body is installed in a middle shaft hole seat of the central part of the brake box, and the anti-slip and anti-drop assembly is clamped on the inner wall of the middle shaft hole seat.
Preferably, the anti-slip and anti-drop assembly is provided with at least two.
Preferably, the middle bushing assembly is cast from metal as an integrally formed structure.
Preferably, the anti-slip and anti-drop assembly is formed in one step by cold heading.
Adopt above-mentioned structure, its beneficial effect lies in:
the outer end of the shaft sleeve body is provided with the anti-slip and anti-drop assembly, the middle shaft sleeve body is arranged in a middle shaft hole seat at the central part of the brake box, the anti-slip and anti-drop assembly is clamped on the inner wall of the middle shaft hole seat and can play a role in limiting, so that the fixing effect of the middle shaft sleeve assembly and the middle shaft hole seat is excellent, the anti-slip and anti-drop assembly is provided with three parts, one end of the anti-slip and anti-drop assembly is provided with a trapezoidal bearing part fixedly connected with the middle shaft sleeve body, the side end of the trapezoidal bearing part is provided with an anti-slip and clamping type convex part, one end of the anti-slip and clamping type convex part is provided with an inclined connecting part, the other end of the inclined connecting part is connected with the trapezoidal bearing part, and through multiple effective tests and designs, the anti-slip and anti-drop assembly is structurally arranged, so that the limiting effect of the anti-slip and anti-drop assembly can be further improved, and the fixing effect of the middle shaft sleeve assembly and the middle shaft hole seat is further improved, a plurality of anti-skidding card formula convex parts block the interior wall of well axle hole seat for well axle sleeve can not be in well axle hole seat displacement from top to bottom when receiving the bearing capacity of stopper, and anti-skidding anti-drop effect is splendid.
Drawings
Fig. 1 is a schematic structural view of a middle bushing assembly for a hub brake according to the present invention.
Fig. 2 is a plan view of the middle bushing assembly for a hub brake according to the present invention.
Fig. 3 is a schematic view of the structure of the middle bushing assembly mounted on the hub brake.
Fig. 4 is a schematic structural view of a conventional center bushing.
In the figure: 1-middle shaft sleeve body, 2-middle shaft groove, 3-anti-skidding and anti-falling component, 301-trapezoidal bearing part, 302-anti-skidding clamp type convex part, 303-oblique connecting part, 4-brake box, 5-middle shaft hole seat, 6-middle shaft and 7-clamping groove.
Detailed Description
The utility model is further explained below with reference to the figures and examples.
As shown in fig. 4, a clamping groove 7 is formed at the bottom of the conventional middle shaft sleeve, and a convex portion of the inner wall of the middle shaft hole seat 5 is clamped in the clamping groove, but a gap exists between the clamping groove 7 of the middle shaft sleeve and the convex portion of the inner wall of the middle shaft hole seat, so that the convex portion of the inner wall of the middle shaft hole seat slides up and down in the clamping groove of the middle shaft sleeve when the middle shaft sleeve receives the bearing capacity of the brake.
As shown in fig. 1 and 2, a middle shaft sleeve assembly for a hub brake comprises a middle shaft sleeve body 1, wherein the middle shaft sleeve body 1 is of a hole-embedded structure, and a middle shaft groove 2 which is vertically communicated is formed in the inner end of the middle shaft sleeve body 1, and is characterized in that: the outer end of the middle shaft sleeve body 1 is provided with an anti-slip and anti-drop assembly 3, the anti-slip and anti-drop assembly 3 is provided with three parts, one end of the anti-slip and anti-drop assembly is provided with a trapezoidal bearing part 301 fixedly connected with the middle shaft sleeve body 1, the side end of the trapezoidal bearing part 301 is provided with an anti-slip clamping type convex part 302, one end of the anti-slip clamping type convex part 302 is provided with an oblique connecting part 303, and the other end of the oblique connecting part 303 is connected with the trapezoidal bearing part 301;
the number of the anti-skid and anti-drop components 3 is at least two;
the middle shaft sleeve assembly is cast by metal into an integrally formed structure.
The anti-slip and anti-drop component 3 is formed in one step by cold heading.
As shown in fig. 3, the middle shaft groove 2 is sleeved on the middle shaft 6, and the middle shaft 6 penetrates through the middle shaft groove 2 and extends towards two ends so as to sleeve the middle shaft sleeve body 1 on the middle shaft 6;
well axle sleeve body 1 is installed in the well axle hole seat 5 of 4 central parts of floodgate box, 3 joints of antiskid anti-drop subassembly are in 5 inner walls of well axle hole seat, and antiskid card formula convex part 302 blocks well axle hole seat inner walls for well axle sleeve can not be in well axle hole seat 5 displacement from top to bottom when receiving the bearing capacity of stopper, and antiskid anti-drop effect is splendid.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features of the utility model described herein.
Claims (6)
1. The utility model provides a well axle sleeve subassembly is used to hub floodgate, includes well axle sleeve body (1), well axle sleeve body (1) is the hole and inlays formula structure, well axle sleeve body (1) the inner axle groove (2) that link up from top to bottom of offering, its characterized in that: well axle sleeve body (1) outer end is equipped with anti-skidding anti-drop subassembly (3), anti-skidding anti-drop subassembly (3) are equipped with the triplex, and its one end is equipped with trapezoidal load-bearing part (301) with well axle sleeve body (1) fixed connection, trapezoidal load-bearing part (301) side is equipped with anti-skidding card formula convex part (302), anti-skidding card formula convex part (302) one end is equipped with slant connecting portion (303), slant connecting portion (303) other end and trapezoidal load-bearing part (301) are connected.
2. The center bushing assembly for a hub brake of claim 1, wherein: the middle shaft groove (2) is sleeved on the middle shaft (6), and the middle shaft (6) penetrates through the middle shaft groove (2) and extends towards two ends so as to sleeve the middle shaft sleeve body (1) on the middle shaft (6).
3. The center bushing assembly for a hub brake of claim 2, wherein: the middle shaft sleeve body (1) is arranged in a middle shaft hole seat (5) in the center part of the brake box (4), and the anti-slip and anti-drop component (3) is connected to the inner wall of the middle shaft hole seat (5) in a clamped mode.
4. The center bushing assembly for a hub brake of claim 1, wherein: the anti-slip and anti-drop assembly (3) is provided with at least two.
5. The center bushing assembly for a hub brake of claim 1, wherein: the middle shaft sleeve assembly is cast by metal into an integrally formed structure.
6. The center bushing assembly for a hub brake of claim 1, wherein: the anti-slip and anti-drop assembly (3) is formed in one step by cold heading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121744410.9U CN215720391U (en) | 2021-07-29 | 2021-07-29 | Middle shaft sleeve assembly for hub brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121744410.9U CN215720391U (en) | 2021-07-29 | 2021-07-29 | Middle shaft sleeve assembly for hub brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720391U true CN215720391U (en) | 2022-02-01 |
Family
ID=79990536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121744410.9U Active CN215720391U (en) | 2021-07-29 | 2021-07-29 | Middle shaft sleeve assembly for hub brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720391U (en) |
-
2021
- 2021-07-29 CN CN202121744410.9U patent/CN215720391U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A middle shaft sleeve component for hub brake Effective date of registration: 20230831 Granted publication date: 20220201 Pledgee: Agricultural Bank of China Limited Taizhou Hailing sub branch Pledgor: Jiangsu Yicheng metal forming Co.,Ltd. Registration number: Y2023980054813 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |