CN214240418U - Prevent back suspension structure of abnormal sound and moment of torsion decay - Google Patents
Prevent back suspension structure of abnormal sound and moment of torsion decay Download PDFInfo
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- CN214240418U CN214240418U CN202022990015.0U CN202022990015U CN214240418U CN 214240418 U CN214240418 U CN 214240418U CN 202022990015 U CN202022990015 U CN 202022990015U CN 214240418 U CN214240418 U CN 214240418U
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- mounting hole
- inner core
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- hobbing
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Abstract
The utility model discloses a prevent back suspension structure of abnormal sound and moment of torsion decay, including skeleton, back bush and front bush, back bush is installed in the big ring of skeleton main aspects, and front bush installs in the small ring of skeleton small ends, and the axis of big ring and small ring is perpendicular, is provided with on the back bush to be used for the automobile body mounting hole that links to each other with the automobile body, is provided with on the front bush to be used for the support mounting hole that links to each other with the installing support, be provided with the hobbing of steel on the circumference terminal surface outside the support mounting hole, after the bolt installation is passed through with the installing support of aluminum alloy material to the after suspension, the installing support part is impressed in the hobbing, makes the fitting surface interlock of back suspension and installing support. The hobbing is arranged on the end face outside the support mounting hole, so that the rear suspension is meshed with the matching face of the mounting support, the lateral sliding resistance of the end face of the support mounting hole on the rear suspension is improved, and the friction abnormal sound, the interference impact abnormal sound and the bolt torque attenuation caused by the lateral sliding are effectively avoided.
Description
Technical Field
The utility model belongs to the technical field of the automobile structure, concretely relates to prevent back suspension structure of abnormal sound and moment of torsion decay.
Background
The automobile suspension refers to an engine transmission suspension, namely a power assembly suspension, one end of the engine transmission suspension is connected to a frame, the other end of the engine transmission suspension is connected to an engine, and the performance of a suspension system is related to the riding comfort degree of an automobile, so that the performance of the whole automobile is directly influenced.
The rear suspension of the automobile generally comprises a framework, a rear bushing and a front bushing, wherein the rear bushing is arranged in a large circular ring at the large end of the framework, the front bushing is arranged in a small circular ring at the small end of the framework, the large circular ring is perpendicular to the axis of the small circular ring, a vehicle body mounting hole used for being connected with a frame is formed in the rear bushing, and a support mounting hole used for being connected with a mounting support is formed in the front bushing. The front and rear bushings are used for connection and shock absorption, and the mounting bracket is made of integrally formed aluminum alloy. However, under the impact conditions of sudden clutch combination or sudden acceleration of the automobile during starting of the automobile, slippage can be generated on the matching surface of the rear suspension and the mounting bracket, and abnormal sound and torque attenuation of the bolt are generated by the abnormal sound generated between the rear suspension and the mounting bracket and the impact between the bolt and parts connected with the bolt.
SUMMERY OF THE UTILITY MODEL
The utility model discloses plan to provide a prevent back suspension structure of abnormal sound and moment of torsion decay can prevent to produce on the fitting surface of back suspension and installing support and slide.
Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides a prevent back suspension structure of abnormal sound and moment of torsion decay, includes skeleton, back bush and front bushing, and back bush is installed in the big ring of skeleton main aspects, and the front bushing is installed in the small circle intra-annular of skeleton small aspects, and the axis of big ring and small ring is perpendicular, is provided with on the back bush to be used for the automobile body mounting hole that links to each other with the automobile body, is provided with on the front bushing to be used for the support mounting hole that links to each other with the installing support, be provided with the hobbing of steel on the terminal surface outside the support mounting hole, after the installing support of back suspension and aluminum alloy material passes through the bolt-up, the installing support part is impressed in the hobbing, makes the fitting surface interlock of back suspension and installing support.
Preferably, the rear liner comprises a rear liner tube, a large liner and a rear inner core, two ends of the rear inner core extend out of the large ring, a vehicle body mounting hole is formed in the middle of the rear inner core along the axis direction, an anti-rotation positioning notch is formed in the middle of the bottom of the vehicle body mounting hole, the rear inner core is fixed in the rear liner tube through the large liner in a vulcanization mode, and a buffer hole is formed in the middle of the bottom of the large liner; the front liner comprises a front liner tube, a front inner core and a small liner, the two ends of the front inner core extend to the outside of the small ring, a support mounting hole is formed in the middle of the front inner core along the axis direction, the front inner core is vulcanized and fixed in the front liner tube through the small liner tube, the rear inner core and the front inner core are made of steel, and hobbing is arranged on the two end faces of the front inner core. The front and rear bushings are arranged to improve the damping effect of the rear suspension, and the anti-rotation positioning notch can prevent the vehicle body from rotating when being connected with the rear bushing.
More preferably, the hobbing is uniformly distributed on the end surface outside the bracket mounting hole, the number of teeth of the hobbing is 40, and the modulus is 2. The hobbing is reasonably arranged on the end face of the support mounting hole, so that the friction coefficient between the rear suspension and the mounting support is increased, and the relative movement between the rear suspension and the mounting support is effectively prevented.
The utility model has the advantages that: compare with the back suspension upper bracket mounting hole terminal surface is smooth, the utility model discloses be provided with the hobbing on the terminal surface outside the support mounting hole, pass through the bolt assembly back when back suspension and installing support, the pretightning force when installing support part is because of the bolt tightening warp, and in being impressed the hobbing, make the fitting surface interlock of back suspension and installing support, thereby increase coefficient of friction, improve the anti side direction slip ability of back suspension upper bracket mounting hole terminal surface, effectively avoid the friction abnormal sound between back suspension and the installing support that the side direction slides and bring, interfere striking abnormal sound and bolt moment of torsion decay between bolt and its connecting piece.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
as shown in fig. 1-2, a rear suspension structure for preventing abnormal sound and torque attenuation mainly comprises a framework 1, a rear bushing 2 and a front bushing 3, wherein the rear bushing 2 is installed in a large circular ring at the large end of the framework 1, the front bushing 3 is installed in a small circular ring at the small end of the framework 1, the large circular ring is perpendicular to the axis of the small circular ring, a vehicle body installation hole b for connecting with a vehicle body is formed in the rear bushing 2, and a support installation hole c for connecting with an installation support is formed in the front bushing 3.
And steel hobbing a is arranged on the end surface outside the support mounting hole c, and after the rear suspension and the mounting support made of the aluminum alloy material are mounted through bolts, the mounting support is partially pressed into the hobbing a, so that the matching surface of the rear suspension and the mounting support is occluded.
Preferably, the rear liner 2 comprises a rear liner tube 2a, a large liner 2b and a rear inner core 2c, two ends of the rear inner core 2c extend out of the large ring, a vehicle body mounting hole b is formed in the middle of the rear inner core 2c along the axis direction, an anti-rotation positioning notch is formed in the middle of the bottom of the vehicle body mounting hole b, the rear inner core 2c is vulcanized and fixed in the rear liner tube 2a through the large liner 2b, and a buffer hole is formed in the middle of the bottom of the large liner 2 b. The front liner 3 is composed of a front liner tube 3a, a front inner core 3b and a small liner tube 3c, two ends of the front inner core 3b extend out of the small circular ring, a support mounting hole c is formed in the middle of the front inner core 3b along the axis direction, the front inner core 3b is vulcanized and fixed in the front liner tube 3a through the small liner tube 3c, the rear inner core 2c and the front inner core 3b are made of steel, and hobbing teeth a are arranged on two end faces of the front inner core 3 b. Preceding bush 3, back bush 2 be provided with do benefit to the shock attenuation effect that improves the rear suspension, prevent changeing the setting that the location lacks the groove simultaneously, can have and avoid the automobile body to take place to rotate when being connected with back bush 2.
Preferably, the hobbing teeth a are uniformly distributed on the end surface outside the bracket mounting hole c, the number of the hobbing teeth a is 40, and the modulus is 2. The hobbing a is reasonably arranged on the end face of the support mounting hole c, so that the friction coefficient between the rear suspension and the mounting support is increased, and the rear suspension and the mounting support are effectively prevented from sliding.
Claims (3)
1. The utility model provides a prevent back suspension structure of abnormal sound and moment of torsion decay, includes skeleton (1), back bush (2) and preceding bush (3), install in the big ring of skeleton (1) main aspects back bush (2), install in the small circle intra-annular of skeleton (1) small aspects front bush (3), and the axis of big ring and small circle is perpendicular, is provided with on back bush (2) and is used for automobile body mounting hole (b) that link to each other with the automobile body, is provided with on preceding bush (3) and is used for the support mounting hole (c) that link to each other with the installing support, its characterized in that: and steel hobbing (a) is arranged on the end surface outside the support mounting hole (c), and after the rear suspension and the mounting support made of the aluminum alloy material are mounted through bolts, the mounting support is partially pressed into the hobbing (a), so that the fitting surface of the rear suspension and the mounting support is occluded.
2. The rear suspension structure for preventing abnormal noise and torque attenuation according to claim 1, wherein: the rear liner (2) comprises a rear liner tube (2a), a large liner (2b) and a rear inner core (2c), two ends of the rear inner core (2c) extend out of the large circular ring, a vehicle body mounting hole (b) is formed in the middle of the rear inner core (2c) along the axis direction, an anti-rotation positioning notch is formed in the middle of the bottom of the vehicle body mounting hole (b), the rear inner core (2c) is vulcanized and fixed in the rear liner tube (2a) through the large liner (2b), and a buffer hole is formed in the middle of the bottom of the large liner (2 b); preceding bush (3) comprise preceding bushing pipe (3a), preceding inner core (3b) and little bush (3c), outside the little ring was all stretched to the both ends of preceding inner core (3b), the middle part of preceding inner core (3b) was provided with support mounting hole (c) along the axis direction, preceding inner core (3b) vulcanize through little bush (3c) and fix in preceding bushing pipe (3a), steel is all adopted in back inner core (2c) and preceding inner core (3b), and hobbing (a) sets up in the front on the both ends face of inner core (3 b).
3. A rear suspension structure for preventing abnormal noise and torque damping according to claim 1 or 2, wherein: the hobbing (a) is uniformly distributed on the end face outside the support mounting hole (c), the number of teeth of the hobbing (a) is 40, and the modulus is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022990015.0U CN214240418U (en) | 2020-12-12 | 2020-12-12 | Prevent back suspension structure of abnormal sound and moment of torsion decay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022990015.0U CN214240418U (en) | 2020-12-12 | 2020-12-12 | Prevent back suspension structure of abnormal sound and moment of torsion decay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214240418U true CN214240418U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022990015.0U Active CN214240418U (en) | 2020-12-12 | 2020-12-12 | Prevent back suspension structure of abnormal sound and moment of torsion decay |
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| CN (1) | CN214240418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879087A (en) * | 2021-09-28 | 2022-01-04 | 东风汽车集团股份有限公司 | Suspension bush, suspension structure and electric motor car |
-
2020
- 2020-12-12 CN CN202022990015.0U patent/CN214240418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879087A (en) * | 2021-09-28 | 2022-01-04 | 东风汽车集团股份有限公司 | Suspension bush, suspension structure and electric motor car |
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