CN212861061U - Telescopic connecting rod suspension - Google Patents
Telescopic connecting rod suspension Download PDFInfo
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- CN212861061U CN212861061U CN202021610003.4U CN202021610003U CN212861061U CN 212861061 U CN212861061 U CN 212861061U CN 202021610003 U CN202021610003 U CN 202021610003U CN 212861061 U CN212861061 U CN 212861061U
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- buffer unit
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Abstract
The utility model provides a telescopic connecting rod suspension articulates between the frame and the power assembly of vehicle. The telescopic connecting rod suspension comprises two connecting bodies, a buffer unit connected between the two connecting bodies and a connecting rod arranged between the connecting bodies and the buffer unit. The connecting bodies are respectively arranged at two ends of the telescopic connecting rod suspension to form the installation of the telescopic connecting rod suspension on the vehicle; the buffer unit is internally provided with an elastic component which buffers the approach of the two connectors; the length of the part of the connecting rod between the connecting body and the buffer unit is adjustable. The utility model discloses a telescopic connecting rod suspension can alleviate the interior rubber bush of connector and bear buffering absorbing pressure to promote the shock-absorbing performance of suspension.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field, in particular to telescopic connecting rod suspension.
Background
Between the sub vehicle frame and the power assembly of traditional car, all can set up the suspension to weaken automobile engine's vibrations to the transmission of car frame, thereby promote the travelling comfort that the vehicle was taken. With the rise of new energy vehicles, large vehicles are successively pushed out of high-power and high-endurance vehicles, the peak torque of a driving motor of the large-power new energy vehicle is large, the speed can be rapidly changed in a certain rotation speed range, the torque can be reversely rotated from positive to negative in a very short time, the displacement offset of a power assembly is large, the traditional suspension cannot bear impact and load which are rapidly changed greatly, and the riding comfort of the vehicle is affected.
In the suspension in the prior art, the rubber body is generally adopted to bear the impact generated by the power assembly, abnormal sound is generated due to the impact of the suspension limit position, and the high-frequency buffering impact is not released by buffering energy, so that the service life of the rubber is shortened.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a telescopic connecting rod suspension to alleviate the interior rubber bush of connector and bear the weight of buffering absorbing pressure, and promote the shock-absorbing performance of suspension.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a telescopic link suspension hinged between a frame and a powertrain of a vehicle, the telescopic link suspension comprising:
the two connecting bodies are respectively arranged at two ends of the telescopic connecting rod suspension to form the installation of the telescopic connecting rod suspension on the vehicle;
the buffer unit is connected between the two connecting bodies, and an elastic component for buffering the approach of the two connecting bodies is arranged in the buffer unit;
the connecting rod is arranged between at least one of the two connecting bodies and the buffer unit, and the length of the part of the connecting rod between the connecting body and the buffer unit is adjustable.
Furthermore, the elastic component comprises a spring, and a first spring top disc and a second spring top disc which are clamped at two ends of the spring, and the first spring top disc is fastened at the first connecting end of the buffer unit.
Furthermore, a buffer block positioned between the second spring top disc and the second connecting end of the buffer unit is further arranged in the buffer unit.
Furthermore, the buffer block is made of rubber, and a groove is formed in the end face of the buffer block facing one side of the second spring top plate.
Furthermore, the connecting rods are arranged between the two connecting bodies and the buffer unit.
Furthermore, one end of the connecting rod is screwed on the connecting body, and the other end of the connecting rod is fastened on the first connecting end or the second connecting end through a nut.
Furthermore, an insert is arranged on the end face of the buffer block facing one side of the second connecting end, and the connecting rod fastened on the second connecting end is in threaded connection with the insert.
Furthermore, a screwing hole is formed in the first spring top plate, and the connecting rod fastened on the first connecting end is screwed in the screwing hole and partially extends into the spring.
Furthermore, an outer cladding body is connected between the first connecting end and the second connecting end of the buffer unit, and the outer cladding body can elastically deform along the buffer direction.
Further, the outer layer wrapping body comprises two end parts fixedly arranged on the first connecting end and the second connecting end respectively, and a rubber layer connected between the two end parts, and an outer layer spring is embedded in the rubber layer.
Compared with the prior art, the utility model discloses following advantage has:
(1) the telescopic connecting rod suspension of the utility model is provided with the buffer unit between the two connecting bodies of the suspension, and the installation and adjustment of the telescopic connecting rod suspension on a vehicle are convenient through the arrangement of the connecting rod; the shock impact between a part of the frame and the power assembly is absorbed by the buffer unit, so that the buffer performance of the suspension can be improved, the damping pressure borne by the rubber bushing in the connecting body can be reduced, and the service life of the rubber bushing and the suspension can be prolonged.
(2) The elastic component adopts the form of a spring and a top disc, the technical implementation is strong, and the installation and the fastening of the elastic component in the buffer unit are convenient.
(3) The buffer block is additionally arranged in the buffer unit, and the impact force caused by large-amplitude vibration deviation of the power assembly is simultaneously buffered by the elastic component and the buffer block, so that the buffer performance of the buffer unit is enhanced.
(4) Adopt rubber preparation buffer block, the technology is mature reliable, and the structure of recess can form better buffering effect to the support pressure between second spring top dish and the buffer block to improve the effect of buffer block in coordination.
(5) The two connecting rods are arranged, so that the connection between the two connecting bodies and the buffer unit is realized respectively, and the installation and adjustment of the telescopic connecting rod suspension on the vehicle are facilitated.
(6) The connecting rod adopts the form of similar stud, installs on the connector through the spiro union, does benefit to the length that the adjusting connecting rod is located between connector and the buffer unit to adaptable frame and power assembly's different installation operating modes, the total length of adjusting telescopic connecting rod suspension according to the distance of two articulated mounting points.
(7) Set up the inserts on the buffer block, with the connecting rod spiro union in the inserts to can realize the buffer block and lock female centre gripping fastening to the second link through the lock mother, thereby make the fastening installation of buffer block and connecting rod on the second link more convenient.
(8) The first spring top disc is provided with the screw hole, so that the first spring top disc and the lock nut can clamp and fasten the first connecting end, and the first spring top disc and the connecting rod can be conveniently and firmly mounted on the first connecting end; and the end part of the connecting rod is inserted into the spring, so that the spring can be prevented from moving and shifting, and the stable realization of the elastic buffering function of the spring is facilitated.
(9) Through the parcel to elastic component etc. of outer cladding body that has elastic deformation performance, not only do benefit to the buffer unit and prevent pollution to keep its stability of wholeness ability, and the flexible change requirement to the buffer unit that the shock impact was received in the suspension of adaptation telescopic connecting rod and formed.
(10) The rubber layer of the outer cladding body is made of rubber and the like, the outer spring is embedded in the rubber layer, two ends of the rubber layer and the outer spring are fixedly connected with two ends, and the ends are fixedly arranged on the first connecting end or the second connecting end in a threaded connection mode and the like.
Drawings
The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:
fig. 1 is a schematic view of an overall structure of a telescopic connecting rod suspension according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 3 is a schematic view of an assembly structure of the buffer unit and the connecting rod according to the embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of the components shown in FIG. 3;
description of reference numerals:
1-a first connection body, 100-a first hinge hole, 101-a large rubber bushing, 102-a first hinge body, 103-a first connection part;
2-a second connecting body, 200-a second hinge hole, 201-a small rubber bushing, 202-a second hinge body, 203-a second connecting part;
3-connecting rod, 300-lock nut, 4-buffer unit, 400-outer-layer cladding body, 401-first connecting end, 402-second connecting end, 403-first spring top disc, 404-spring, 405-second spring top disc, 406-buffer block, 407-insert, 435-screw hole, 445-elastic component, 460-groove, 41-end, 42-outer-layer spring and 43-rubber layer.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, terms of left, right, up, down, and the like are used for convenience of description and are based on terms in the illustrated state, and should not be construed as limiting the structure of the present invention; references to first, second, third, etc. are also made for ease of description and are not to be construed as indicating or implying relative importance.
The embodiment relates to a telescopic connecting rod suspension, which is beneficial to reducing the buffering and damping pressure borne by a rubber bushing in a connecting body and can improve the buffering performance of the suspension.
In the overall design, the telescopic connecting rod is hinged between a vehicle frame and a power assembly of a vehicle in a suspension mode, and comprises two connecting bodies, a buffer unit connected between the two connecting bodies and a connecting rod arranged between the connecting bodies and the buffer unit.
Wherein, two connecting bodies are respectively arranged at two ends of the telescopic connecting rod suspension, so as to form the installation of the suspension on the vehicle. The buffer unit is connected and installed between the two connecting bodies through at least one connecting rod, and an elastic component for buffering the approach of the two connecting bodies is arranged in the buffer unit. The connecting rod can be adjusted so that the length of the part of the connecting rod between the connecting body and the buffer unit can be changed, thereby adjusting the overall length of the telescopic connecting rod suspension and facilitating the installation and adjustment of the telescopic connecting rod suspension on a vehicle.
Based on the above general structural principles, the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. An exemplary structure of the telescopic link suspension of the present embodiment is shown in fig. 1 and 2, and mainly includes a connecting body, a cushion unit 4, and a link 3.
Generally, the telescopic link suspension is installed between a front subframe and a powertrain of a vehicle, and for convenience of description and distinction, two connecting bodies located at both ends of the telescopic link suspension may be referred to as a first connecting body 1 and a second connecting body 2, respectively. The two connectors are generally of a circular structure, a large rubber bushing 101 is arranged in a lining of the first connector 1, a first hinge body 102 is arranged in the large rubber bushing 101, a first hinge hole 100 is formed in the center of the first hinge body 102, and the first connector 1 is mounted on the front auxiliary frame through a pin shaft penetrating through the first hinge hole 100; similarly, a small rubber bushing 201 is disposed inside the second connecting body 2, a second hinge body 202 is disposed inside the small rubber bushing 201, a second hinge hole 200 is disposed at a center portion of the second hinge body 202, and the second connecting body 2 is mounted on the power assembly through a pin shaft penetrating through the second hinge hole 200.
In general, the first connecting body 1 is larger in radial dimension than the second connecting body 2, and accordingly, the link 3 mounted and arranged on the first connecting body 1 is longer than the link 3 arranged on the second connecting body 2.
In the structure, the large rubber bushing 101 and the small rubber bushing 201 have a certain buffering effect, but only rely on the buffering of the two rubber bushings, so that the damping and buffering performance of the whole telescopic connecting rod suspension is poor, the rubber bushing is high in impact frequency and force, and is extremely easy to age and lose efficacy, and the service life of the whole suspension is further influenced.
In view of the above problem, in the present embodiment, as shown in fig. 2, a buffer unit 4 is installed between the first connecting body 1 and the second connecting body 2, and an elastic component 445 is installed in the buffer unit 4, when the two connecting bodies approach due to shock impact, the elastic component 445 can form a buffer to absorb energy, thereby improving the shock absorption and buffering performance of the telescopic connecting rod suspension and reducing the load of the rubber bushing.
In order to facilitate the installation and adjustment of the telescopic connecting rod suspension, a connecting rod 3 is arranged between the first connecting body 1 and the buffer unit 4 or between the second connecting body 2 and the buffer unit 4, and the length of the part of the connecting rod 3 between the connecting body and the buffer unit 4 is adjustable. As a preferable structure, one end of the connecting rod 3 is screwed to the connecting portion of the connecting body, and the other end is fastened to the first connecting end 401 or the second connecting end 402 of the buffer unit 4 by the nut 300. The connecting rod 3 is mounted on the connecting body in a double-end stud-like mode through screw connection, and the length of the connecting rod 3 between the connecting body and the buffer unit 4 is adjusted, so that the telescopic connecting rod suspension structure can adapt to different mounting conditions of a frame and a power assembly, and the total length of the telescopic connecting rod suspension structure can be adjusted according to the distance between two hinged mounting points.
In the present embodiment, two connecting rods 3 are used, and the connection between the two connecting bodies and the buffer unit 4 is realized respectively, so as to facilitate the installation and adjustment of the telescopic connecting rod suspension on the vehicle. In order to facilitate the screw connection of the connecting rod 3 on the connecting body, as shown in fig. 2, a first connecting portion 103 is integrally formed on the first connecting body 1, a second connecting portion 203 is integrally formed on the second connecting body 2, and threaded holes for the screw connection of the connecting rod 3 are formed on the first connecting portion 103 and the second connecting portion 203.
Based on the above structure, as shown in fig. 3 and 4, the elastic assembly 445 includes a spring 404, and a first spring top plate 403 and a second spring top plate 405 clamped at both ends of the spring 404. The elastic assembly 445 takes the form of the spring 404 and the top plate, the technical implementability is strong, and the installation and fastening of the elastic assembly 445 in the cushion unit 4 are facilitated.
It should be noted that two ends of the spring 404 may be fixedly connected to the first spring top plate 403 and the second spring top plate 405, or the two spring top plates may be attached to each other, and the spring 404 is enclosed in the flanges by arranging flanges at the peripheries of the first spring top plate 403 and the second spring top plate 405. Because the telescopic link suspension is in a load-bearing state, a compressive force exists between the first connecting end 401 and the second connecting end 402, and the compressive force causes the spring 404, the spring 404 and the second spring top plate 405 to be in pressing fit.
The first spring top plate 403 is fastened to the first connection end 401 of the buffer unit 4, preferably, a screw hole 435 is formed in the first spring top plate 403, and the link 3 fastened to the first connection end 401 is screwed into the screw hole 435 and partially protrudes into the spring 404. The first spring top plate 403 is provided with the screw hole 435, so that the first spring top plate 403 and the lock nut 300 can clamp and fasten the first connection end 401, and the first spring top plate 403 and the connecting rod 3 can be conveniently and firmly mounted on the first connection end 401; the end of the connecting rod 3 is inserted into the spring 404, so that the spring 404 is prevented from moving and shifting, and the stable realization of the elastic buffer function of the spring 404 is facilitated.
As shown in fig. 4 in combination with fig. 5, in the present embodiment, a buffer block 406 is further disposed in the buffer unit 4 and located between the second spring top disk 405 and the second connecting end 402 of the buffer unit 4. The buffer block 406 is added to buffer the impact force caused by the large-amplitude vibration deviation of the power assembly by using the elastic component 445 and the buffer block 406, so that the buffer performance of the buffer unit 4 is enhanced.
The bumper 406 may be made of a suitable elastic material, preferably rubber; also, a recessed groove 460 may be formed on the end surface of the buffer block 406 facing the side of the second sprung disk 405. The buffer block 406 is made of rubber, the technology is mature and reliable, and the structure of the groove 460 can form a better buffer effect on the abutting between the second spring top disk 405 and the buffer block 406, so that the effect of the cooperative buffering of the elastic component 445 and the buffer block 406 is improved.
Due to the above-mentioned pressing force between the first connecting end 401 and the second connecting end 402, the buffer block 406 and the second spring top plate 405 are in a pressing state, and when a shock impact occurs, the spring 404 and the buffer block 406 are simultaneously deformed to relieve the shock force, so that the buffering effect of the suspension of the telescopic connecting rod is improved. Obviously, in the case that the spring 404 and the first and second spring top discs 403 and 405 are fixedly connected, the buffer block 406 may also be fixedly connected to the second spring top disc 405, so that the elastic component 445 and the buffer block 406 are both fixedly connected as a whole and fixedly connected between the first connection end 401 and the second connection end 402, and thus, when a short distancing action occurs between the first connection body 1 and the second connection body 2 due to a strong shock impact, the elastic component 445 and the buffer block 406 may also alleviate the shock condition of distancing the first connection body 1 and the second connection body 2.
For the fastening form of the buffer block 406 and the second connecting end 402, an insert 407 may be provided on the end surface of the buffer block 406 facing the side of the second connecting end 402, the connecting rod 3 fastened on the second connecting end 402 is screwed in the insert 407, and the clamping and fastening of the buffer block 406 and the lock nut 300 to the second connecting end 402 is realized through the fastening of the lock nut 300 on the connecting rod 3, so that the fastening and installation of the buffer block 406 and the connecting rod 3 on the second connecting end 402 is facilitated.
In addition, as shown in fig. 4, in order to prevent the elastic member 445 and the buffer block 406 from being contaminated by exposure, an outer coating body 400 is connected between the first connection end 401 and the second connection end 402 of the buffer unit 4, so that the elastic member 445 and the buffer block 406 are coated in the outer coating body 400. Meanwhile, the outer layer capsule 400 is made of an elastically deformable material so as to be elastically deformed in a buffering direction in which the first connector 1 and the second connector 2 approach or separate from each other. By wrapping the elastic components 445, 40 and the like by the outer layer wrapping body 400 with elastic deformation performance, the stability of the overall performance of the telescopic connecting rod suspension can be kept, and the outer layer wrapping body 400 can meet the requirement of the telescopic connecting rod suspension on the expansion change of the buffer unit 4 caused by the shock impact received by the telescopic connecting rod suspension.
The structure of the outer layer wrapping body 400 and the connection manner between the outer layer wrapping body and the first connection end 401 and the second connection end 402 have various forms, and in this embodiment, as shown in fig. 4, the outer layer wrapping body 400 includes two end portions 41 respectively fixed on the first connection end 401 and the second connection end 402, and a rubber layer 43 connected between the two end portions 41, and an outer layer spring 42 is embedded in the rubber layer 43. The rubber layer 43 of the outer cladding 400 is made of rubber and the like, and the outer spring 42 is embedded in the rubber layer 43, so that the structure and the processing are convenient; and two ends 41 are fixedly connected with two ends of the rubber layer 43 and the outer spring 42, and the two ends 41 are fixedly connected with the first connecting end 401 and the second connecting end 402 respectively in the form of screw connection and the like, so that the whole structure is simple, and the whole assembly of the buffer unit 4 is convenient.
In the telescopic connecting rod suspension described in the embodiment, the buffer unit 4 is arranged between two connecting bodies of the suspension, and the telescopic connecting rod suspension is convenient to mount and adjust on a vehicle through the arrangement of the connecting rod 3; the buffer unit 4 is used for absorbing vibration impact between a part of the frame and the power assembly, so that the buffer performance of the suspension can be improved, the damping pressure borne by the rubber bushing in the connecting body can be reduced, and the service life of the rubber bushing and the suspension can be prolonged.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A telescopic connecting rod suspension, hinged between a frame and a powertrain of a vehicle, comprising:
the two connecting bodies are respectively arranged at two ends of the telescopic connecting rod suspension to form the installation of the telescopic connecting rod suspension on the vehicle;
the buffer unit (4) is connected between the two connecting bodies, and an elastic component (445) for buffering the approach of the two connecting bodies is arranged in the buffer unit (4);
the connecting rod (3) is arranged between at least one of the two connecting bodies and the buffer unit (4), and the length of the part, positioned between the connecting body and the buffer unit (4), of the connecting rod (3) is adjustable.
2. The telescopic connecting rod suspension of claim 1, wherein: the elastic component (445) comprises a spring (404), a first spring top disk (403) and a second spring top disk (405) clamped at two ends of the spring (404), and the first spring top disk (403) is fastened to the first connecting end (401) of the buffer unit (4).
3. The telescopic connecting rod suspension of claim 2, wherein: and a buffer block (406) positioned between the second spring top disc (405) and the second connecting end (402) of the buffer unit (4) is arranged in the buffer unit (4).
4. The telescopic connecting rod suspension of claim 3, wherein: the buffer block (406) is made of rubber, and a groove (460) is formed in the end face, facing the second spring top disc (405), of the buffer block (406).
5. The telescopic connecting rod suspension of claim 3 or 4, wherein: the connecting rods (3) are arranged between the two connecting bodies and the buffer unit (4).
6. The telescopic connecting rod suspension of claim 5, wherein: one end of the connecting rod (3) is screwed on the connecting body, and the other end of the connecting rod is fastened on the first connecting end (401) or the second connecting end (402) through a nut (300).
7. The telescopic connecting rod suspension of claim 6, wherein: an insert (407) is arranged on the end face of the buffer block (406) facing one side of the second connecting end (402), and the connecting rod (3) fastened on the second connecting end (402) is screwed in the insert (407).
8. The telescopic connecting rod suspension of claim 5, wherein: a screwing hole (435) is formed in the first spring top plate (403), and the connecting rod (3) fastened to the first connecting end (401) is screwed in the screwing hole (435) and partially extends into the spring (404).
9. The telescopic connecting rod suspension of claim 1, wherein: an outer layer cladding body (400) is connected between the first connecting end (401) and the second connecting end (402) of the buffer unit (4), and the outer layer cladding body (400) can elastically deform along the buffer direction.
10. The telescopic connecting rod suspension of claim 9, wherein: the outer-layer cladding body (400) comprises two end parts (41) fixedly mounted on the first connecting end (401) and the second connecting end (402) respectively, and a rubber layer (43) connected between the two end parts (41), and an outer-layer spring (42) is embedded in the rubber layer (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021610003.4U CN212861061U (en) | 2020-08-05 | 2020-08-05 | Telescopic connecting rod suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021610003.4U CN212861061U (en) | 2020-08-05 | 2020-08-05 | Telescopic connecting rod suspension |
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| Publication Number | Publication Date |
|---|---|
| CN212861061U true CN212861061U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021610003.4U Active CN212861061U (en) | 2020-08-05 | 2020-08-05 | Telescopic connecting rod suspension |
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| CN (1) | CN212861061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997777A (en) * | 2021-11-23 | 2022-02-01 | 宜宾凯翼汽车有限公司 | Suspension structure with adjustable axial rigidity |
| CN114312279A (en) * | 2021-12-23 | 2022-04-12 | 浙江吉利控股集团有限公司 | Suspension structure and vehicle |
-
2020
- 2020-08-05 CN CN202021610003.4U patent/CN212861061U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997777A (en) * | 2021-11-23 | 2022-02-01 | 宜宾凯翼汽车有限公司 | Suspension structure with adjustable axial rigidity |
| CN114312279A (en) * | 2021-12-23 | 2022-04-12 | 浙江吉利控股集团有限公司 | Suspension structure and vehicle |
| CN114312279B (en) * | 2021-12-23 | 2024-03-08 | 浙江吉利控股集团有限公司 | Suspension structure and vehicle |
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