CN215059401U

CN215059401U - Take selector of vibration/noise reduction function bulb bush

Info

Publication number: CN215059401U
Application number: CN202121185955.0U
Authority: CN
Inventors: 宣虹; 龚钢
Original assignee: Chongqing Downwind Auto Parts Co ltd
Current assignee: Chongqing Downwind Auto Parts Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-07
Anticipated expiration: 2031-05-31

Abstract

The utility model provides a gear shifter with a ball head bushing with shock absorption and noise reduction functions, which comprises a base, a ball head bushing and a gear lever, wherein the ball head bushing is fixedly arranged in a mounting hole of the base, a rotating ball is fixedly connected on the gear lever, and a spherical cavity which is in running fit with the rotating ball is arranged in the ball head bushing; the ball head bushing comprises a bushing body, an upper buffering body fixedly connected with the upper end of the bushing body and a lower buffering body fixedly connected with the lower end of the bushing body, wherein the upper buffering body and the lower buffering body are made of flexible elastic materials, and the outer wall of the upper buffering body and the outer wall of the lower buffering body are in interference fit with the inner wall of the base mounting hole. The upper buffer body and the lower buffer body of the utility model are both made of flexible elastic materials, which can absorb the impact force brought by pressing the gear shift lever, and can effectively play the roles of eliminating noise and reducing vibration; and through the elastic deformation of the upper buffer body and the lower buffer body, the ball head bushing is fixedly arranged in the base mounting hole, so that the ball head bushing is prevented from moving.

Description

Take selector of vibration/noise reduction function bulb bush

Technical Field

The utility model belongs to the technical field of car selector, concretely relates to take selector of vibration/noise reduction function bulb bush.

Background

The automobile gear shifter comprises a base, a gear shifting rod, a ball head bushing and other parts. The base is provided with a mounting hole for fixedly mounting a ball head bushing, the gear level is fixedly connected with a rotating ball, and a spherical cavity which is in running fit with the rotating ball is arranged in the ball head bushing. The ball head bushing mainly fixes the gear shifting rod and achieves the purpose of flexible rotation.

In the prior art, the ball head bushing is integrally formed by plastic, and the ball head bushing is subjected to the pressure of a rotating ball and the resistance of a base in the gear shifting process, so that the ball head bushing is easy to displace relative to the base, commonly called the ball head bushing generates play, vibration is generated during gear shifting, and noise is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a take selector of vibration/noise reduction function bulb bush.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gear shifter with a ball head bushing with the functions of shock absorption and noise reduction comprises a base, the ball head bushing and a gear shifting rod, wherein the ball head bushing is fixedly installed in an installation hole of the base, a rotating ball is fixedly connected to the gear shifting rod, and a spherical cavity which is in rotating fit with the rotating ball is arranged in the ball head bushing; the ball head bushing comprises a bushing body, an upper buffering body fixedly connected with the upper end of the bushing body and a lower buffering body fixedly connected with the lower end of the bushing body, wherein the upper buffering body and the lower buffering body are made of flexible elastic materials, and the outer wall of the upper buffering body and the outer wall of the lower buffering body are in interference fit with the inner wall of the base mounting hole.

In the technical scheme, the upper buffer body and the lower buffer body are both made of flexible elastic materials, so that the impact force caused by pressing the gear shifting rod can be absorbed, and the effects of eliminating noise and reducing vibration can be effectively achieved; and through the elastic deformation of the upper buffer body and the lower buffer body, the ball head bushing is fixedly arranged in the base mounting hole, so that the ball head bushing is prevented from moving.

In a preferred embodiment of the present invention, the upper buffer body is made of rubber, silica gel or latex, and the lower buffer body is made of rubber, silica gel or latex. The common soft rubber material has low cost, good buffering performance and good damping and noise reduction effects.

The utility model discloses an in the preferred embodiment, go up the mode and bush body fixed connection that the buffering body and lower buffering body were moulded plastics through the secondary.

Among the above-mentioned technical scheme, compare bush body, go up the buffering body and cushion down the body three respectively the shaping after the rigid coupling together, the processing cost of this scheme is lower, goes up the buffering body and cushions the laminating of body and bush body inseparabler with down moreover.

The utility model discloses an in the preferred embodiment, have first joint portion on the bush body, go up and cushion and have on the body with first joint portion joint complex second joint portion. The firmness of the connection of the upper buffer body and the lining body is improved.

The utility model discloses an among the preferred embodiment, the up end of bush body still is equipped with a plurality of spread grooves, and the lower extreme of going up the buffering body is equipped with spread groove complex spliced pole. Set up spliced pole and spread groove, further increase the firmness of adding buffer body and bushing body coupling.

In another preferred embodiment of the present invention, the bushing body has a third engaging portion, and the lower cushion body has a fourth engaging portion engaged with the third engaging portion. The firmness of the connection of the upper buffer body and the lining body is improved.

In another preferred embodiment of the present invention, the lower portion of the bushing body has an annular nesting portion protruding radially outward, and the inner wall of the lower buffering body has an annular groove engaged with the annular nesting portion. The firmness of the connection of the upper buffer body and the lining body is further improved.

In another preferred embodiment of the present invention, the side wall of the bushing body has a plurality of open slots with upper ends, and the open slots are disposed through the side wall of the bushing body. The open slot is used as a redundant gap, so that the rotating ball can be conveniently arranged in the spherical cavity of the ball head bushing.

In another preferred embodiment of the present invention, the outer wall of the upper buffer body has an annular first boss which is in interference fit with the inner wall of the mounting hole; and the outer wall of the lower buffer body is provided with an annular second boss in interference fit with the inner wall of the mounting hole. Because the upper buffering body and the lower buffering body are made of elastic materials, the annular boss is equivalent to a sealing ring, and the ball head bushing is ensured to be fixed in the base mounting hole through the elastic deformation of the annular boss.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural outline view of a shifter according to an embodiment of the present application.

Fig. 2 is a longitudinal sectional structural schematic view of the shifter of the embodiment of the present application.

Fig. 3 is a schematic structural view of a ball stud in an embodiment of the present application.

Fig. 4 is an exploded view of a ball bushing in an embodiment of the present application.

Fig. 5 is a partially enlarged view of a portion a in fig. 2.

Reference numerals in the drawings of the specification include: the gear level 1, the rolling ball 11, the bulb bush 2, go up buffering body 21, second joint portion 21a, spliced pole 21b, first boss 21c, bush body 22, first joint portion 22a, third joint portion 22b, connecting groove 22c, annular nested portion 22d, open slot 22e, lower buffering body 23, fourth joint portion 23a, second boss 23b, base 3, mounting hole 3 a.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The utility model provides a take selector of vibration/noise reduction function bulb bush, as shown in fig. 1 and fig. 2 the utility model discloses an among the preferred embodiment, this selector includes base 3, bulb bush 2 and

gear level

1, and 2 fixed mounting of bulb bush have ball 11 in the mounting hole 3a of base 3 on the gear level 1 rigid coupling, be equipped with in the bulb bush 2 with 11 normal running fit's of ball cavity.

Referring to fig. 3 and 4, the ball bushing 2 includes a bushing body 22, an upper buffer 21 fixedly connected to an upper end of the bushing body 22, and a lower buffer 23 fixedly connected to a lower end of the bushing body 22, the spherical cavity is located on the bushing body 22, and the rotating ball 11 is in spherical fit with the bushing body 22. The bushing body 22 is made of plastic, the upper buffer body 21 and the lower buffer body 23 are both made of flexible elastic material, for example, the upper buffer body 21 is made of rubber, silica gel or latex, the lower buffer body 23 is also made of rubber, silica gel or latex, and the material of the upper buffer body 21 is the same as or different from that of the lower buffer body 23. The outer wall of the upper buffering body 21 and the outer wall of the lower buffering body 23 are in interference fit with the inner wall of the mounting hole 3a of the base 3, the interference fit between the upper buffering body 21 and the inner wall of the mounting hole 3a is achieved through elastic deformation of the upper buffering body 23 and the lower buffering body 21, and the ball head bushing 2 is fixedly mounted in the mounting hole 3a of the base 3.

In the present embodiment, the upper cushion body 21 and the lower cushion body 23 are integrally connected to the bushing main body 22 by a double injection molding. The upper cushion body 21 and the lower cushion body 23 may be formed by injection molding separately and then fixed to the bushing main body 22.

By adopting the technical scheme, the upper buffer body 21 and the lower buffer body 23 are both made of flexible elastic materials, so that the impact force caused by pressing the gear shifting rod 1 during gear shifting can be absorbed, and the effects of eliminating noise and reducing vibration can be effectively achieved; and the ball head bush 2 is fixedly arranged in the mounting hole 3a of the base 3 through the elastic deformation of the upper buffer body 21 and the lower buffer body 23, so that the ball head bush 2 is prevented from moving.

As shown in fig. 5, in the present embodiment, the outer wall of the upper buffer body 21 has two annular first bosses 21c that are interference-fitted with the inner wall of the mounting hole 3a, the two first bosses 21c are provided at intervals in the height direction of the upper buffer body 21, and an annular groove is formed between the two first bosses 21 c. The outer wall of the lower buffering body 23 is provided with two annular second bosses 23b in interference fit with the inner wall of the mounting hole 3a, the two second bosses 23b are arranged at intervals along the height direction of the lower buffering body 23, and an annular groove is formed between the two second bosses 23 b.

When the ball bush 2 is fixedly installed in the installation hole 3a of the base 3, the upper annular groove plays a role in accommodating and absorbing deformation of the two first bosses 21c, and the lower annular groove plays a role in accommodating and absorbing deformation of the two second bosses 23b, so that the ball bush 2 is favorably installed.

As shown in fig. 3 and 4, in another preferred embodiment, the bushing body 22 has a first engaging portion 22a, and the upper cushion body 21 has a second engaging portion 21a engaged with the first engaging portion 22 a. For example, the first engaging portion 22a is a convex pillar disposed in the middle of the outer wall of the bushing body 22, the second engaging portion 21a is a fastener protruding outward from the lower end of the upper buffer 21, and a locking groove engaged with the convex pillar is disposed on the inner side of the fastener. In practice, two or more first clamping portions 22a may be disposed on the outer wall of the bushing body 22 at intervals according to requirements.

Further, the upper end surface of the bushing body 22 is further provided with a plurality of connecting grooves 22c arranged at intervals in the circumferential direction, and the lower end of the upper buffer body 21 is provided with a connecting column 21b matched with the connecting grooves 22 c.

As shown in fig. 3 and 4, in another preferred embodiment, the bushing body 22 has a third engaging portion 22b, and the lower cushion body 23 has a fourth engaging portion 23a engaged with the third engaging portion 22 b. For example, the third engaging portion 22b is a reinforcing column provided on the outer wall of the bushing body 22, and the fourth engaging portion 23a is an insertion groove provided at the upper end of the lower cushion body 23, and the inner end of the insertion groove is open.

Further, as shown in fig. 5, the lower portion of the bushing body 22 has an annular nesting portion 22d protruding radially outward, the inner wall of the lower buffer body 23 has an annular groove snap-fitted with the annular nesting portion 22d, and the insertion groove on the lower buffer body 23 is communicated with the annular groove. Thereby, the annular nesting part 22d at the lower part of the bushing body 22 is embedded in the lower buffer body 23, and the connection between the two is firmer.

In another preferred embodiment, as shown in fig. 4, the sidewall of the liner sleeve 22 has a plurality of open slots 22e with open upper ends, the open slots 22e are disposed through the sidewall of the liner sleeve 22, and the plurality of open slots 22e are circumferentially spaced along the sidewall of the liner sleeve 22. An open groove 22e is provided to facilitate the installation of the rotating ball 11 into the spherical cavity of the ball head bushing 2.

In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A shifter with a ball head bushing with the functions of shock absorption and noise reduction comprises a base, the ball head bushing and a shift lever, wherein the ball head bushing is fixedly installed in an installation hole of the base, a rotating ball is fixedly connected to the shift lever, and a spherical cavity rotationally matched with the rotating ball is arranged in the ball head bushing; the ball head bushing is characterized by comprising a bushing body, an upper buffering body fixedly connected with the upper end of the bushing body and a lower buffering body fixedly connected with the lower end of the bushing body, wherein the upper buffering body and the lower buffering body are made of flexible elastic materials, and the outer wall of the upper buffering body and the outer wall of the lower buffering body are in interference fit with the inner wall of the base mounting hole.

2. The shifter with the ball head bushing having the shock absorption and noise reduction functions as claimed in claim 1, wherein the upper buffering body is made of rubber, silica gel or latex, and the lower buffering body is made of rubber, silica gel or latex.

3. The shifter with the ball head bushing having the shock absorbing and noise reducing functions as claimed in claim 1, wherein the upper buffering body and the lower buffering body are fixedly connected with the bushing body in a secondary injection molding mode.

4. The shifter with the shock-absorbing noise-reducing function and the ball head bushing is characterized in that the bushing body is provided with a first clamping portion, and the upper buffering body is provided with a second clamping portion in clamping fit with the first clamping portion.

5. The shifter with the ball head bushing having the shock absorbing and noise reducing functions as claimed in claim 4, wherein the upper end surface of the bushing body is further provided with a plurality of connecting grooves, and the lower end of the upper buffer body is provided with connecting columns matched with the connecting grooves.

6. The shifter with the ball head bushing having the shock absorbing and noise reducing functions according to claim 3, wherein a third clamping portion is arranged on the bushing body, and a fourth clamping portion in clamping fit with the third clamping portion is arranged on the lower buffering body.

7. The shifter with the ball head bushing having the shock absorbing and noise reducing functions as claimed in claim 6, wherein the lower portion of the bushing body is provided with an annular nesting portion protruding radially outwards, and the inner wall of the lower buffering body is provided with an annular groove in snap fit with the annular nesting portion.

8. The shifter with the ball head bushing having the shock absorbing and noise reducing functions as claimed in any one of claims 1 to 7, wherein a plurality of open grooves with upper ends opened are formed in the side wall of the bushing body, and the open grooves are formed through the side wall of the bushing body.

9. The shifter with the ball head bushing having the shock absorbing and noise reducing functions according to any one of claims 1 to 6, wherein an annular first boss in interference fit with the inner wall of the mounting hole is arranged on the outer wall of the upper buffering body;

and the outer wall of the lower buffering body is provided with an annular second boss in interference fit with the inner wall of the mounting hole.