Rubber shock absorber for automobile engine gearbox

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a rubber shock absorber for an automobile engine gearbox, which comprises a base and a shock absorption seat arranged on the base, the shock absorption seat comprises a shock absorption boss and a shock absorption body, a shock absorption cavity is arranged in the middle of the shock absorption boss, a circular bottom groove is arranged at the bottom of the shock absorption cavity, and the shock absorption body is arranged in the circular bottom groove. A circular ring bottom groove is formed in the bottom of the base, a damping cavity is formed in the middle of the damping body, a circular ring middle groove is formed in the middle of the damping cavity, the damping body is embedded in the damping cavity, a first flange corresponding to the circular ring bottom groove is formed in the bottom of the damping body, and a second flange corresponding to the circular ring groove middle groove is formed in the middle of the damping body. The connecting reliability of the damping boss and the base is further enhanced, follow-up disassembly and assembly are facilitated, firm connection of the damping body in the damping cavity is achieved through the positioning pin shaft, the possibility of displacement of the damping body is avoided, and the service life of the damping base is prolonged advantageously through the anti-aging coating coated on the surface of the damping base.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to a rubber shock absorber for automotive engine transmissions. Background Technology

[0002] Shock absorbers are widely used in the mounting areas of various automotive engines, transmissions, etc. Their main functions are twofold: to reduce the upward transmission of external vibrations, preventing damage to delicate instruments such as the gearbox; and to reduce the downward transmission of vibrations from the engine and other operating equipment, preventing significant vibrations inside the vehicle. Rubber shock absorbers are made of rubber and utilize the elastic properties of rubber to reduce mechanical vibration, impact, and noise.

[0003] Existing rubber shock absorbers are prone to localized damage after prolonged use, resulting in a short service life. Furthermore, since most rubber shock absorbers are molded in one piece, the entire shock absorber needs to be replaced once damage occurs. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a rubber shock absorber for automobile engine transmission.

[0005] This utility model provides the following technical solution:

[0006] A rubber shock absorber for an automotive engine transmission includes a base and a shock absorber seat mounted on the base. The shock absorber seat includes a shock absorber boss and a shock absorber body. The shock absorber boss has fixing lugs around its bottom perimeter and a shock absorber cavity in the middle. The bottom of the shock absorber cavity has a bottom annular groove, and the middle of the shock absorber cavity has a central annular groove. The shock absorber body is embedded in the shock absorber cavity. The bottom of the shock absorber body has a first flange corresponding to the bottom annular groove, and the middle of the shock absorber body has a second flange corresponding to the central annular groove. The center of the shock absorber body has a mounting hole.

[0007] Furthermore, the flange one and flange two are circumferentially distributed with multiple insertion holes, and the damping boss has an elongated hole at the corresponding position of the insertion hole. The elongated hole passes through the bottom groove of the annulus and the middle groove of the annulus and extends to the top plane of the damping boss.

[0008] Furthermore, the diameter of the insertion hole is the same as that of the elongated hole.

[0009] Furthermore, a positioning pin is installed on the top of the shock-absorbing boss, and the positioning pin is inserted into the elongated hole and the insertion hole.

[0010] Furthermore, the bottom of the shock-absorbing boss is provided with multiple annular protrusions, and the top of the base is provided with multiple annular grooves, with the annular protrusions engaging in the annular grooves.

[0011] Furthermore, each of the fixed lugs is provided with a fixing hole, and the base is provided with a through hole corresponding to the fixing hole.

[0012] Furthermore, the top sidewall of the shock-absorbing boss is provided with a stepped surface.

[0013] Furthermore, the top plane of the shock absorber is higher than the top plane of the shock absorber boss.

[0014] Furthermore, the outer surface of the shock-absorbing seat is coated with an anti-aging coating.

[0015] In summary, compared with the prior art, the above-described technical solution conceived by this utility model can achieve the following beneficial effects:

[0016] This invention enhances the connection reliability between the shock absorber boss and the base by using a fixed lug to connect with the base and a ring-shaped protrusion to engage with the ring-shaped groove, thus facilitating subsequent disassembly and assembly. Simultaneously, by inserting positioning pins into flange two and fixing them in the central groove of the ring, and inserting flange one and fixing it in the bottom groove of the ring, the shock absorber is securely connected within the shock absorber cavity, preventing displacement. Furthermore, removing the positioning pins allows the shock absorber to be easily removed directly from the shock absorber cavity, utilizing its elastic properties. Additionally, the anti-aging coating on the surface of the shock absorber reduces corrosion from the external environment, extending its service life. Attached Figure Description

[0017] Figure 1 This is an overall structural diagram of the rubber shock absorber of this utility model;

[0018] Figure 2 This is an internal sectional view of the rubber shock absorber of this utility model;

[0019] Figure 3 This is a top view of the rubber shock absorber of this utility model.

[0020] The markings in the image are as follows:

[0021] 1-Damping seat; 2-Base; 3-Fixing lug; 4-Damping boss; 5-Damping body; 6-Damping cavity; 7-Circular bottom groove; 8-Circular middle groove; 9-Flange 1; 10-Flange 2; 11-Positioning pin; 12-Annular protrusion; 13-Annular groove; 14-Fixing hole; 15-Through hole; 16-Step surface. Detailed Implementation

[0022] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings, so that those skilled in the art can more clearly understand how to practice this utility model. Although this utility model has been described in conjunction with its preferred embodiments, these embodiments are merely illustrative and not intended to limit the scope of this utility model.

[0023] As attached Figure 1-3 As shown, a rubber shock absorber for an automobile engine transmission includes a base 2 and a shock absorber seat 1 disposed on the base 2. The shock absorber seat 1 is made of elastic rubber material. The shock absorber seat 1 includes a shock absorber boss 4 and a shock absorber body 5. The shock absorber boss 4 has fixing lugs 3 around its bottom perimeter. A shock absorber cavity 6 is formed in the middle of the shock absorber boss 4. A bottom groove 7 is formed at the bottom of the shock absorber cavity 6. A central groove 8 is formed in the middle of the shock absorber cavity 6. The shock absorber body 5 is embedded in the shock absorber cavity 6. A flange 9 corresponding to the bottom groove 7 is formed at the bottom of the shock absorber body 5. A flange 10 corresponding to the central groove 8 is formed in the middle of the shock absorber body 5. A mounting hole 17 is formed at the center of the shock absorber body 5. The mounting hole 17 is connected to the external transmission mount.

[0024] Specifically, the flange 9 and flange 10 are circumferentially distributed with multiple insertion holes, and the damping boss 4 has an elongated hole at the corresponding position of the insertion hole. The elongated hole passes through the bottom groove 7 and the middle groove 8 of the annulus and extends to the top plane of the damping boss 4. The diameter of the insertion hole is the same as that of the elongated hole.

[0025] Specifically, a positioning pin 11 is installed on the top of the shock-absorbing boss 4. The positioning pin 11 is inserted into the elongated hole and the insertion hole. By setting the positioning pin 11, the first flange 9 is fixed in the bottom groove of the annular ring 7, and the second flange 109 is fixed in the middle groove of the annular ring 8. This is beneficial to the connection between the shock absorber 5 and the shock-absorbing boss 4, thereby facilitating the installation and disassembly of the shock absorber 5.

[0026] Specifically, the bottom of the shock-absorbing boss 4 is provided with a plurality of annular protrusions 12, and the top of the base 2 is provided with a plurality of annular grooves 13. The annular protrusions 12 are engaged in the annular grooves 13, which further improves the connection stability between the shock-absorbing boss 4 and the base 2, and also facilitates the disassembly and assembly of the shock-absorbing boss 4.

[0027] Specifically, each of the fixed lugs 3 is provided with a fixing hole 14, and the base 2 is provided with a through hole 15 corresponding to the fixing hole 14. The shock-absorbing boss 4 and the base 2 are connected by external bolts to enhance the reliability of the connection.

[0028] Specifically, the top sidewall of the shock-absorbing boss 4 is provided with a stepped surface 16 so that the shock absorber 5 can be installed inside the shock-absorbing boss 4.

[0029] Specifically, the top plane of the shock absorber 5 is higher than the top plane of the shock absorber boss 4, which facilitates the removal of the shock absorber 5.

[0030] Specifically, the surface of the shock absorber 1 is coated with an anti-aging coating, including the shock absorber body 5 and the shock absorber boss 4, which reduces the corrosion of the shock absorber 1 by the external environment during use and extends the service life of the shock absorber 1.

[0031] The workflow of this utility model is described below:

[0032] The connection between the fixed lug 3 and the base 2, along with the engagement of the annular protrusion 12 and the annular groove 13, further enhances the reliability of the connection between the shock-absorbing boss 4 and the base 2, and also facilitates subsequent disassembly and assembly. Simultaneously, by inserting the positioning pin 11 into the flange two 109 and fixing it in the annular groove 8, and inserting the flange one 9 and fixing it in the annular bottom groove 7, the shock absorber 5 is securely connected within the shock-absorbing cavity 6, preventing the possibility of displacement of the shock absorber 5. Furthermore, if the shock absorber 5 is damaged, the positioning pin 11 can be directly removed, and the elasticity of the shock absorber 5 allows for easy removal from the shock-absorbing cavity 6 for replacement with a new one. In addition, the anti-aging coating on the surface of the shock absorber seat 1 helps extend its service life.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any modifications and substitutions based on the technical solutions and utility model concepts provided by the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A rubber shock absorber for an automobile engine transmission, comprising a base (2) and a shock absorber seat (1) disposed on the base (2), characterized in that: The damping seat (1) includes a damping boss (4) and a damping body (5). The damping boss (4) has fixed lugs (3) around its bottom. A damping cavity (6) is opened in the middle of the damping boss (4). A bottom groove (7) is opened at the bottom of the damping cavity (6). A middle groove (8) is opened in the middle of the damping cavity (6). The damping body (5) is embedded in the damping cavity (6). A flange (9) corresponding to the bottom groove (7) is opened at the bottom of the damping body (5). A flange (10) corresponding to the middle groove (8) is opened in the middle of the damping body (5). An installation hole (17) is opened at the center of the damping body (5).

2. A rubber shock absorber for an automobile engine transmission according to claim 1, characterized in that: The flange one (9) and flange two (10) have multiple insertion holes distributed circumferentially. The damping boss (4) has an elongated hole at the corresponding insertion hole. The elongated hole passes through the bottom groove (7) and the middle groove (8) of the annulus and extends to the top plane of the damping boss (4).

3. A rubber shock absorber for an automobile engine transmission according to claim 2, characterized in that: The diameter of the insertion hole is the same as that of the elongated hole.

4. A rubber shock absorber for an automobile engine transmission according to claim 2, characterized in that: The top of the shock-absorbing boss (4) is equipped with a positioning pin (11), which is inserted into the elongated hole and the insertion hole.

5. A rubber shock absorber for an automobile engine transmission according to claim 1, characterized in that: The bottom of the shock-absorbing boss (4) is provided with multiple annular protrusions (12), and the top of the base (2) is provided with multiple annular grooves (13). The annular protrusions (12) are engaged in the annular grooves (13).

6. A rubber shock absorber for an automobile engine transmission according to claim 1, characterized in that: Each of the fixed lugs (3) is provided with a fixing hole (14), and the base (2) is provided with a through hole (15) corresponding to the fixing hole (14).

7. A rubber shock absorber for an automotive engine transmission according to claim 1, characterized in that: The top side wall of the shock-absorbing boss (4) is provided with a stepped surface (16).

8. A rubber shock absorber for an automotive engine transmission according to claim 1, characterized in that: The top plane of the damper (5) is higher than the top plane of the damper boss (4).

9. A rubber shock absorber for an automobile engine transmission according to claim 1, characterized in that: The outer surface of the shock absorber seat (1) is coated with an anti-aging coating.

Images