CN215360816U - Connecting rod bush assembly - Google Patents
Connecting rod bush assembly Download PDFInfo
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- CN215360816U CN215360816U CN202121709060.2U CN202121709060U CN215360816U CN 215360816 U CN215360816 U CN 215360816U CN 202121709060 U CN202121709060 U CN 202121709060U CN 215360816 U CN215360816 U CN 215360816U
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- connecting rod
- limiting
- bushing
- ejector rods
- rod body
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Abstract
The utility model provides a connecting rod bushing assembly, and belongs to the technical field of automobile suspension accessories. The connecting rod bushing solves the problems that an existing connecting rod bushing is easy to separate during axial assembly, poor in structural stability and short in service life. The connecting rod bushing assembly comprises a connecting rod body, wherein damping bushings are fixedly arranged at two ends of the connecting rod body respectively, the connecting rod body is of a hollow structure, and a limiting abutting structure for axial limiting when the damping bushings are connected is arranged in the connecting rod body; the limiting abutting structure comprises a limiting ejector rod, the limiting ejector rod is elastically arranged in the connecting rod body, and the outer end of the limiting ejector rod penetrates through the corresponding damping bushing and extends into the corresponding damping bushing to be used for limiting the assembly of the damping bushing. The utility model uses the limit ejector rod to assemble and limit the suspension component assembled on the damping bush, so that the damping bush and the assembly component are relatively connected and structurally stable, are not easy to separate when used for a long time and have long service life.
Description
Technical Field
The utility model belongs to the technical field of automobile suspension accessories, and relates to a connecting rod bushing assembly.
Background
With the improvement of performance requirements on NVH, operation stability and the like of automobiles, more and more passenger cars adopt independent suspension structures, and a control arm assembly is an important component of the independent suspension. Such as an automobile suspension control arm assembly [ chinese patent No.: 201711299299.5, authorization notice number: CN107984996A ], the specific structure thereof comprises a control arm welding assembly, the control arm welding assembly comprises a connecting rod and collars welded at two ends of the connecting rod, a bushing assembly is assembled in the collars, and the bushing assembly is assembled in the collars by a threaded connection manner.
In the structure, the connecting mode of the bushing and the lantern ring is threaded loose joint connection, so that the bushing and the lantern ring are easy to separate; and when the suspension component is used for a long time, the suspension component is assembled in the bushing and the bushing is not provided with an assembling limiting structure, so that the suspension component is easy to axially assemble and separate when the bushing is matched, the structural stability is poor, and the service life is short.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a connecting rod bushing assembly which is simple in structure, high in assembly and use structural stability and long in service life.
The purpose of the utility model can be realized by the following technical scheme: a connecting rod bushing assembly comprises a connecting rod body, wherein damping bushings are fixedly arranged at two ends of the connecting rod body respectively, and the connecting rod bushing assembly is characterized in that the connecting rod body is of a hollow structure, and a limiting abutting structure for limiting the axial position of the damping bushings during connection is arranged in the connecting rod body; the limiting abutting structure comprises a limiting ejector rod, the limiting ejector rod is elastically arranged in the connecting rod body, and the outer end of the limiting ejector rod penetrates through the corresponding damping bushing and extends into the corresponding damping bushing to limit the assembly of the damping bushing.
This connecting rod bush assembly mainly sets the connecting rod body to cavity, assembles spacing ejector pin at the connecting rod body, runs through shock attenuation bush and assembles the part of hanging to shock attenuation bush's assembly through spacing ejector pin and prescribes a limit to, and structural connection is stable, also difficult emergence not hard up condition during the long-term use, and structural stability is high, long service life.
In the connecting rod bushing assembly, the two limiting ejector rods are arranged in the connecting rod body, the compression spring is arranged in the connecting rod body between the two limiting ejector rods, the limiting ejector rods elastically displace in the connecting rod body through the compression spring, and the supporting structure for preventing the two limiting ejector rods from being relatively close is arranged between the two limiting ejector rods. Through the elastic action of the compression spring, the limiting ejector rod can be adjusted in the connecting rod body in an axial displacement mode, and the structure is stable.
In the above connecting rod bushing assembly, the support structure includes a support rod, the support rod coaxially penetrates through the compression spring in the connecting rod body, the inner ends of the two limit ejector rods are respectively provided with an assembly groove which are distributed oppositely, and the two ends of the support rod are respectively inserted into the assembly grooves of the corresponding limit ejector rods. Through setting up the bracing piece, can prevent effectively that two spacing ejector pins from drawing close relatively, carry out axial interval to two spacing ejector pins and prescribe a limit to.
In the connecting rod bushing assembly, the assembly grooves of the two limiting ejector rods are rectangular grooves respectively, the cross section of the supporting rod is of a rectangular structure, and two ends of the supporting rod are inserted into the assembly grooves of the corresponding limiting ejector rods in a guiding mode respectively. The purpose of this is: the circumferential relative rotation of the assembly groove and the support rod is limited through the adaptive structure of the assembly groove and the support rod, and the structural stability is high.
In foretell connecting rod bush assembly, all be provided with the rubber pad in the assembly groove of two spacing ejector pins, the both ends of bracing piece are the direction respectively and are pegged graft in the assembly groove of the spacing ejector pin that corresponds and this bracing piece and the spacing ejector pin elasticity that corresponds support to lean on the cooperation. Through setting up the rubber pad and can making the bracing piece finely tune axial displacement between two spacing ejector pins, structural design is reasonable, makes things convenient for spacing assembly.
In the connecting rod bushing assembly, the outer walls of the two limiting ejector rods are respectively provided with an axial limiting groove, two ends of the connecting rod body are respectively provided with a radial limiting pin which can be detachably arranged, and the inner ends of the limiting pins extend into the axial limiting grooves of the corresponding limiting ejector rods to prevent the limiting ejector rods from axially separating from the connecting rod body. The purpose that sets up like this can prevent effectively that spacing ejector pin from moving outward in connecting rod body internal axial, and the spacing stability of structure is high.
In the connecting rod bushing assembly, the damping bushing comprises an outer composite metal sleeve, an inner metal sleeve and a damping rubber sleeve, the damping rubber sleeve is positioned between the outer composite metal sleeve and the inner metal sleeve and fixedly connected with the outer composite metal sleeve and the inner metal sleeve in a vulcanization mode, the connecting rod body and the outer composite metal sleeve of the damping bushing are fixedly connected in a welding mode, and the limiting ejector rod sequentially penetrates through the outer composite metal sleeve, the damping rubber sleeve and the inner metal sleeve and extends into the inner metal sleeve. The purpose of setting up like this can guarantee the shock attenuation effect of shock attenuation bush through the structure, can also guarantee the mechanical strength of shock attenuation bush for suspension system's suspension is connected just right.
In the connecting rod bushing assembly, the end surface of the penetrating end of the limiting ejector rod is provided with a first arc bulge which is axially arranged. Support to leaning on spacingly, limit structure reasonable in design to the assembly suspension part through first circular arc arch.
In the connecting rod bushing assembly, a through hole is formed in the shock absorption bushing axially opposite to the limiting ejector rod, a pin is spirally arranged in the through hole of the shock absorption bushing, and a second arc protrusion axially arranged is arranged on the end face of the inner end of the pin. Can effectively strengthen the mechanical strength of shock attenuation bush in the through hole through round pin post assembly shock attenuation bush, structural stability is high.
In the above connecting rod bush assembly, the outer diameter of the pin is greater than or equal to the outer diameter of the limiting ejector rod. The purpose of setting up like this is that convenient spacing ejector pin is assembled from the through hole of shock attenuation bush, and it is convenient to produce manufacturing.
Compared with the prior art, the connecting rod bushing assembly has the advantages that: through at this internal spacing ejector pin that sets up of connecting rod, it is spacing to assemble at the suspension part of shock attenuation bush with spacing ejector pin, makes shock attenuation bush and assembly part connection structure stable relatively, when using for a long time, is difficult for breaking away from long service life.
Drawings
FIG. 1 is a schematic cross-sectional view of the present link bushing assembly.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure, 1, a connecting rod body; 2. a limit ejector rod; 3. a compression spring; 4. a support bar; 5. a rubber pad; 6. an axial limiting groove; 7. a spacing pin; 8. an outer composite metal sleeve; 9. an inner metal sleeve; 10. a shock-absorbing rubber sleeve; 11. a first arc protrusion; 12. a pin; 13. and the second arc bulge.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the connecting rod bushing assembly mainly comprises a connecting rod body 1, wherein two ends of the connecting rod body 1 are respectively and fixedly provided with a damping bushing, the connecting rod body 1 is of a hollow structure, and a limiting and abutting structure for axial limiting when the damping bushing is connected is arranged in the connecting rod body 1; in actual manufacturing, the specific implementation of the limit abutting structure is as follows: the connecting rod mainly comprises a limiting ejector rod 2, wherein the limiting ejector rod 2 is elastically arranged in a connecting rod body 1, and the outer end of the limiting ejector rod 2 penetrates through a corresponding damping bushing and extends into the corresponding damping bushing to be used for assembly limiting of the damping bushing; specifically speaking, two limiting ejector rods 2 are arranged in the connecting rod body 1, a compression spring 3 is arranged in the connecting rod body 1 between the two limiting ejector rods 2, the limiting ejector rods 2 elastically displace in the connecting rod body 1 through the compression spring 3, and a supporting structure for preventing the two limiting ejector rods 2 from relatively approaching is arranged between the two limiting ejector rods 2.
In practical use, the supporting structure mainly comprises supporting rods 4, the supporting rods 4 coaxially penetrate through compression springs 3 in a connecting rod body 1, the inner ends of two limiting ejector rods 2 are respectively provided with assembling grooves which are distributed oppositely, and two ends of each supporting rod 4 are respectively inserted into the corresponding assembling grooves of the limiting ejector rods 2; the assembly grooves of the two limiting ejector rods 2 are rectangular grooves respectively, the cross section of the support rod 4 is of a rectangular structure, and two ends of the support rod 4 are inserted into the assembly grooves of the corresponding limiting ejector rods 2 in a guiding mode respectively; during specific assembly, rubber pads 5 are arranged in the assembly grooves of the two limiting ejector rods 2, two ends of the support rod 4 are respectively inserted into the assembly grooves of the corresponding limiting ejector rods 2 in a guiding manner, and the support rod 4 is matched with the corresponding limiting ejector rods 2 in an elastic abutting manner; in practical application, the outer walls of the two limiting ejector rods 2 are respectively provided with an axial limiting groove 6, two ends of the connecting rod body 1 are respectively provided with a radial limiting pin 7 which can be detachably arranged, and the inner ends of the limiting pins 7 extend into the axial limiting grooves 6 of the corresponding limiting ejector rods 2 to prevent the limiting ejector rods 2 from axially separating from the connecting rod body 1.
During actual manufacturing, the damping bush mainly comprises an outer composite metal sleeve 8, an inner metal sleeve 9 and a damping rubber sleeve 10, wherein the damping rubber sleeve 10 is positioned between the outer composite metal sleeve 8 and the inner metal sleeve 9 and fixedly connected with the outer composite metal sleeve 8 and the inner metal sleeve 9 in a vulcanization mode, the connecting rod body 1 and the outer composite metal sleeve 8 of the damping bush are fixedly connected in a welding mode, and the limiting ejector rod 2 sequentially penetrates through the outer composite metal sleeve 8, the damping rubber sleeve 10 and the inner metal sleeve 9 and extends into the inner metal sleeve 9; the end surface of the penetrating end of the limiting ejector rod 2 is provided with a first arc bulge 11 which is axially arranged; a through hole is arranged on the damping bush axially opposite to the limiting ejector rod 2, a pin 12 is spirally arranged in the through hole of the damping bush, and a second arc bulge 13 axially arranged is arranged on the end surface of the inner end of the pin 12.
In actual use, the outer diameter of the pin 12 is larger than or equal to the outer diameter of the limit post rod 2.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (10)
1. A connecting rod bushing assembly comprises a connecting rod body (1), wherein shock-absorbing bushings are fixedly arranged at two ends of the connecting rod body (1) respectively, and the connecting rod bushing assembly is characterized in that the connecting rod body (1) is of a hollow structure, and a limiting and abutting structure for limiting the axial direction when the shock-absorbing bushings are connected is arranged in the connecting rod body (1); the limiting abutting structure comprises a limiting ejector rod (2), the limiting ejector rod (2) is elastically arranged in the connecting rod body (1), and the outer end of the limiting ejector rod (2) penetrates through the corresponding damping bushing and extends into the corresponding damping bushing to limit the assembly of the damping bushing.
2. The connecting rod bushing assembly according to claim 1, wherein two limiting ejector rods (2) are arranged in the connecting rod body (1), a compression spring (3) is arranged in the connecting rod body (1) between the two limiting ejector rods (2), the limiting ejector rods (2) elastically displace in the connecting rod body (1) through the compression spring (3), and a supporting structure for preventing the two limiting ejector rods (2) from relatively approaching together is arranged between the two limiting ejector rods (2).
3. The connecting rod bushing assembly as claimed in claim 2, wherein the supporting structure comprises a supporting rod (4), the supporting rod (4) coaxially penetrates through the compression spring (3) in the connecting rod body (1), the inner ends of the two limit ejector rods (2) are respectively provided with assembling grooves which are distributed oppositely, and the two ends of the supporting rod (4) are respectively inserted into the assembling grooves of the corresponding limit ejector rods (2).
4. The connecting rod bushing assembly as claimed in claim 3, wherein the assembling grooves of the two spacing ejector rods (2) are rectangular grooves, the cross section of the supporting rod (4) is rectangular, and two ends of the supporting rod (4) are respectively guided and inserted into the assembling grooves of the corresponding spacing ejector rods (2).
5. The connecting rod bushing assembly according to claim 4, wherein rubber pads (5) are arranged in the assembling grooves of the two limiting ejector rods (2), two ends of the supporting rod (4) are respectively inserted into the assembling grooves of the corresponding limiting ejector rods (2) in a guiding manner, and the supporting rod (4) and the corresponding limiting ejector rods (2) are elastically abutted and matched.
6. The connecting rod bushing assembly according to claim 2 or 5, wherein the outer walls of the two limit ejector rods (2) are respectively provided with an axial limit groove (6), the two ends of the connecting rod body (1) are respectively provided with a limit pin (7) which is radially and detachably arranged, and the inner ends of the limit pins (7) extend into the corresponding axial limit grooves (6) of the limit ejector rods (2) to prevent the limit ejector rods (2) from axially disengaging in the connecting rod body (1).
7. The connecting rod bushing assembly of claim 1, wherein the damping bushing comprises an outer composite metal sleeve (8), an inner metal sleeve (9) and a damping rubber sleeve (10), the damping rubber sleeve (10) is located between the outer composite metal sleeve (8) and the inner metal sleeve (9) and fixedly connected with the outer composite metal sleeve and the inner metal sleeve in a vulcanization mode, the connecting rod body (1) and the outer composite metal sleeve (8) of the damping bushing are fixedly connected in a welding mode, and the limiting ejector rod (2) sequentially penetrates through the outer composite metal sleeve (8), the damping rubber sleeve (10) and the inner metal sleeve (9) and extends into the inner metal sleeve (9).
8. The connecting rod bushing assembly according to claim 7, wherein the end surface of the through end of the limit post rod (2) is provided with a first arc-shaped bulge (11) which is axially arranged.
9. The connecting rod bushing assembly according to claim 7, wherein the shock-absorbing bushing axially opposite to the limit post rod (2) is provided with a through hole, the through hole of the shock-absorbing bushing is spirally provided with a pin (12), and the inner end surface of the pin (12) is provided with a second arc-shaped bulge (13) axially arranged.
10. A connecting rod bushing assembly in accordance with claim 9, characterized in that the outer diameter of the pin (12) is greater than or equal to the outer diameter of the restraining ram (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709060.2U CN215360816U (en) | 2021-07-26 | 2021-07-26 | Connecting rod bush assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121709060.2U CN215360816U (en) | 2021-07-26 | 2021-07-26 | Connecting rod bush assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215360816U true CN215360816U (en) | 2021-12-31 |
Family
ID=79611856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121709060.2U Active CN215360816U (en) | 2021-07-26 | 2021-07-26 | Connecting rod bush assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215360816U (en) |
-
2021
- 2021-07-26 CN CN202121709060.2U patent/CN215360816U/en active Active
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