CN113263898B - Torsion-resistant pull rod rear suspension, manufacturing method and vehicle - Google Patents
Torsion-resistant pull rod rear suspension, manufacturing method and vehicle Download PDFInfo
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- CN113263898B CN113263898B CN202110524517.0A CN202110524517A CN113263898B CN 113263898 B CN113263898 B CN 113263898B CN 202110524517 A CN202110524517 A CN 202110524517A CN 113263898 B CN113263898 B CN 113263898B
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- pull rod
- limiting block
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- stopper
- rod body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The invention relates to an anti-torsion pull rod rear suspension, a manufacturing method and a vehicle, wherein the anti-torsion pull rod rear suspension comprises a pull rod body and a forward gear limiting block; the pull rod body is detachably provided with the advancing gear limiting block. In the anti-torsion pull rod rear suspension, the manufacturing method and the vehicle, the forward gear limiting block of the anti-torsion pull rod rear suspension is detachably arranged on the pull rod body, so that the hardness of the forward gear limiting block can be independently and freely set and is not limited by the hardness setting of the rubber main rib; in addition, the structure shape of the forward gear limiting block can be independently matched according to different vehicle types and different power assembly requirements, and is not influenced by a rubber main rib mold; the independent assembly setting of advance shelves stopper can make things convenient for quick change rubber stopper structural shape to accelerate real vehicle debugging matching progress, improve development efficiency.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to an anti-torsion pull rod rear suspension, a manufacturing method and a vehicle.
Background
At present, a three-point pendulum type suspension system has been widely applied to various vehicle types due to the characteristics of light weight, low cost, small occupied space and good vibration isolation performance. The anti-torsion pull rod type rear suspension is used as an important component of a three-point suspension system, plays a main role in resisting engine torsion, and plays a vital role in controlling starting vibration of an engine, vehicle starting vibration/noise, vibration/noise of a rapidly accelerated vehicle and power assembly displacement.
The key factor influencing the performance of the working conditions of the real vehicle is whether the rigidity performance design of the forward gear rubber limiting block and the reverse gear rubber limiting block matches the actual requirement of the whole vehicle. The reverse gear is not used much in the real vehicle, so the reverse gear is generally used as a secondary consideration object, the forward gear is used most frequently in the real vehicle, and the matching design of the forward gear rubber limiting block and the real vehicle is the most critical.
In the conventional anti-torsion pull rod type rear suspension, as shown in fig. 1, the structure is most common, and the rear suspension is composed of six parts, namely a pull rod 10, an inner core 20, a first main rib 30, a second main rib 40, a reverse gear limiting block 50 and a forward gear limiting block 60. The first main rib 30, the second main rib 40, the reverse gear limiting block 50 and the forward gear limiting block 60 are integrally vulcanized, and form an assembly which is not detachable with the pull rod 10 and the inner core 20 through chemical reaction of an adhesive in the vulcanization process, so that the structure is simpler.
However, the first main rib 30, the second main rib 40, the reverse gear limiting block 50 and the forward gear limiting block 60 are integrally formed by vulcanization, so that it is very difficult to optimize and adjust the rigidity of the forward gear limiting block. Mainly comprises the following steps: 1. integrally vulcanization-molded, wherein the rubber hardness is kept consistent, and different rubber hardness cannot be set for each rubber; 2. the integral vulcanization molding is one-set mold production, if one of the positions is modified, the whole set of molds are modified in a related way, so that: (1) In the platform modular design, if the structure is designed for the first model, the rubber limiting blocks of the subsequent models can only be used continuously, and different rubber limiting blocks cannot be matched with different power assemblies of different models; (2) In the development process, the structural shape of the rubber limiting block needs to be modified, the modified die and the modified suspension need to be modified and vulcanized again, so that the modification is realized, time and labor are wasted, and the effect is poor.
The foregoing description is provided for general background information and does not necessarily constitute prior art.
Disclosure of Invention
The invention aims to provide an anti-torsion pull rod rear suspension, a manufacturing method and a vehicle, wherein the hardness of a forward gear limiting block of the anti-torsion pull rod rear suspension can be independently and freely set and is not limited by the hardness setting of a rubber main rib; the structure shape of the forward gear limiting block can be independently matched according to different power assembly requirements of different vehicle types, and is not influenced by the rubber main rib mold.
The invention provides an anti-torsion pull rod rear suspension which comprises a pull rod body, an inner core, a first main rib, a second main rib, a reverse gear limiting block and a forward gear limiting block, wherein the first main rib, the second main rib and the reverse gear limiting block are integrally formed, the forward gear limiting block is detachably arranged on the pull rod body, a buffer cavity is arranged on the pull rod body, a matching groove or a connecting seat is formed in the inner wall of the buffer cavity, a protrusion is arranged on the forward gear limiting block, the protrusion is detachably clamped in the matching groove or between the connecting seats, the forward gear limiting block is detachably arranged on the pull rod body through interference fit of the protrusion and the matching groove or through the protrusion and a connecting rod of the connecting seat, and a gap is formed among the forward gear limiting block, the first main rib, the second main rib and the reverse gear limiting block.
Furthermore, the matching groove is a dovetail groove, the protrusion is a dovetail pin, and the dovetail pin is inserted into the dovetail groove.
Furthermore, the width of the matching groove is 10mm-20mm, and the included angle of two side surfaces of the matching groove is 0-180 degrees.
Furthermore, anti-falling sheets are symmetrically arranged at two end parts of the forward gear limiting block, and the anti-falling sheets are clamped on the pull rod body.
Further, the cooperation groove extends along first direction, the anticreep piece card is held on the pull rod body with the cooperation groove is in on the terminal surface of the both ends parallel and level of first direction.
Furthermore, an assembly insertion groove is formed between the protrusion and the anti-falling piece, and a limiting main body is arranged on one side, far away from the protrusion, of the forward gear limiting block.
Further, first main muscle second main muscle reaches the speed in reverse stopper with the interior wall connection of cushion chamber, first main muscle second main muscle reaches the speed in reverse stopper head and the tail connect gradually and be formed with the cavity, the inner core is connected in the cavity, the inner core is used for being connected with vehicle sub vehicle frame.
A torsion resistant pull rod rear suspension manufacturing method comprises the following steps:
providing the pull rod body and the inner core, and integrally forming a first main rib, a second main rib and a reverse gear limiting block which are fixedly combined with the pull rod body and the inner core on the pull rod body and the inner core, so that the pull rod body, the inner core, the first main rib, the second main rib and the reverse gear limiting block form a small assembly;
the utility model provides a shelves stopper advances, be equipped with the arch on the shelves stopper advances, be equipped with the cushion chamber on the pull rod body of rod, the inner wall of cushion chamber is equipped with cooperation groove or connecting seat, will protruding detachably card is gone into the cooperation inslot or between the connecting seat, through the arch with the interference fit in cooperation groove or pass the arch with the connecting rod of connecting seat will the shelves stopper detachably that advances install in on the pull rod body of rod, and with first main muscle the second main muscle reaches form the interval between the stop block in reverse gear.
The invention further provides a vehicle which comprises the torsion-resistant pull rod rear suspension.
The invention provides an anti-torsion pull rod rear suspension, a manufacturing method and a vehicle, wherein a forward gear limiting block is detachably arranged on a pull rod body, so that the hardness of the forward gear limiting block can be independently and freely set and is not limited by the hardness setting of a rubber main rib; in addition, the structure shape of the forward gear limiting block can be independently matched according to different vehicle types and different power assembly requirements, and is not influenced by a rubber main rib mold; the independent assembly setting of advance shelves stopper can make things convenient for quick change rubber stopper structural shape to accelerate real vehicle debugging matching progress, improve development efficiency.
Drawings
Fig. 1 is a schematic plan view of a conventional torsion bar rear suspension.
Fig. 2 is a schematic plan view of a torsion beam rear suspension according to a first embodiment of the present invention.
Fig. 3 is a schematic plan view of the torsion-resistant tie rod rear suspension tie rod body in fig. 2.
Fig. 4 is a schematic structural view of a forward gear limiting block suspended behind the torsion-resistant pull rod in fig. 2.
Fig. 5 is a schematic structural view of a draw bar body and a forward gear limiting block of the torsion-resistant draw bar rear suspension in fig. 2.
Fig. 6 is a schematic structural view of the torsion-resistant pull rod rear suspension in fig. 2.
Fig. 7 is a structural schematic view of a torsion beam rear suspension according to a second embodiment of the present invention.
Fig. 8 is a structural schematic view of a torsion beam rear suspension according to a third embodiment of the present invention.
Reference numerals and components referred to in the drawings are as follows:
1. pull rod body
11. Pull rod
12. Buffer cavity
13. Fitting groove
2. Inner core
3. First main rib
4. Second main rib
5. Reverse gear limiting block
6. Forward gear limiting block
61. Projection
611. First connecting hole
62. Anti-falling sheet
63. Limiting main body
64. Assembly insertion slot
7. Connecting seat
71. Second connecting hole
8. Connecting rod
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
First embodiment
Fig. 2 is a schematic plan view of a torsion beam rear suspension according to an embodiment of the present invention. Referring to fig. 2, the anti-torsion draw bar rear suspension provided by the embodiment of the invention includes a draw bar body 1 and a forward gear limiting block 6; the forward gear stopper 6 is detachably mounted to the rear suspension body 1.
It should be noted that, because the forward gear limiting block 6 is used most frequently in the real vehicle, the matching design of the forward gear limiting block 6 and the real vehicle is the most critical; the forward gear limiting block 6 can be independently detached from the pull rod body 1, so that the rigidity of the forward gear limiting block 6 can be optimized and adjusted very conveniently; meanwhile, due to the detachable design of the forward gear limiting block 6, different hardness can be set by selecting appropriate materials according to requirements; in addition, due to the detachable design of the forward gear limiting block 6, the structure of the forward gear limiting block 6 can be selected as required, so that the best buffering effect is achieved; meanwhile, the structure of the forward gear limiting block 6 is changed, and the whole production die does not need to be changed. Furthermore, the hardness of the forward gear limiting block 6 can be independently and freely set and is not limited by the hardness setting of the rubber main rib; in addition, the structural shape of the forward gear limiting block 6 can be independently matched according to different vehicle types and different power assembly requirements, and is not influenced by a rubber main rib mold; the independent assembly setting of the advance gear limiting block 6 can conveniently and quickly change the structural shape of the rubber limiting block, so that the real vehicle debugging matching progress is accelerated, and the development efficiency is improved.
Fig. 3 is a schematic plan structure view of a rod body of the torsion-resistant rod rear suspension in fig. 2, and fig. 4 is a schematic structural view of a forward gear limiting block of the torsion-resistant rod rear suspension in fig. 2. Referring to fig. 3 and 4, a buffer cavity 12 is formed in the pull rod body 1 according to the embodiment of the present invention, a mating groove 13 is formed in an inner wall of the buffer cavity 12, a protrusion 61 is formed on the forward gear limiting block 6, the protrusion 61 is detachably clamped in the mating groove 13, the protrusion 61 and the mating groove 13 are in interference fit, and the interference can be 1mm to 2mm.
Specifically, the matching groove 13 is a dovetail groove, and the protrusion 61 is a dovetail pin; when the front gear shift limiting block 6 is arranged on the pull rod body 1, the dovetail pin is inserted in the dovetail groove. During assembly, a small amount of lubricating liquid (such as turkish red oil) capable of being absorbed by rubber is coated on the surface of the dovetail pin, so that the dovetail pin can be assembled smoothly. Further, the width of the dovetail groove is 10mm to 20mm, preferably 16mm. The angle of the dovetail groove may be 0-180 degrees, preferably 70 degrees, as shown in FIG. 3, where the angle of the dovetail groove refers to the angle between the two sloped sides of the dovetail groove.
As shown in fig. 4, the forward stopper 6 is provided with anti-slip pieces 62 at both ends thereof. Specifically, the anti-slip-off piece 62 is rectangular, and the anti-slip-off piece 62 is arranged behind two end portions of the forward gear limiting block 6, so that the whole body is shaped like '21274'.
Fig. 5 is a schematic structural view of a rod body and a forward gear limiting block of the torsion-resistant rod rear suspension in fig. 2, and fig. 6 is a schematic structural view of the torsion-resistant rod rear suspension in fig. 2. As shown in fig. 5 and 6, the fitting groove 13 extends along the first direction, and the anti-falling piece 62 is clamped on the end surface of the drawbar rod body 1 which is flush with the two ends of the fitting groove 13 in the first direction. Therefore, the engagement of the engagement groove 13 and the protrusion 61 prevents the forward stopper 6 from slipping off in the second direction perpendicular to the first direction, the engagement of the engagement groove 13 and the protrusion 61 also prevents the forward stopper 6 from shifting in the first direction to some extent, and the anti-slip piece 62 further prevents the forward stopper 6 from slipping off in the first direction. It should be noted that the anti-falling piece 62 can be deformed, and when the protrusion 61 needs to be clamped into the matching groove 13, the anti-falling piece 62 can be broken to facilitate the installation of the forward gear limiting block 6.
The advancing gear limiting block 6 is provided with a limiting main body 63 on one side far away from the protrusion 61, the limiting main body 63 is used for contacting and then compressing the inner core 2 in the using process, vibration of the power assembly is attenuated, the displacement of the power assembly is controlled, and different structural shapes can be designed according to different vehicle types. A fitting insertion groove 64 is formed between the projection 61 and the escape prevention piece 62 for facilitating smooth insertion of the projection 61 into the fitting groove 13.
As shown in fig. 2, the anti-torsion pull rod rear suspension provided by the embodiment of the invention further comprises an inner core 2, a first main rib 3, a second main rib 4 and a reverse gear limiting block 5, wherein the first main rib 3, the second main rib 4 and the reverse gear limiting block 5 are connected with the inner wall of the buffer cavity 12), the first main rib 3, the second main rib 4 and the reverse gear limiting block 5 are sequentially connected end to form a cavity, the inner core 2 is connected in the cavity, and the inner core 2 is used for being connected with a vehicle subframe.
In this embodiment, the first main rib 3, the second main rib 4 and the reverse limiting block 5 are integrally formed. Specifically, the first main rib 3, the second main rib 4 and the reverse limiting block 5 can be non-detachably connected to the drawbar body 1 and the inner core 2 in the molding process, and the integrated molding mode can be vulcanization molding or insert molding. When a vulcanization molding mode is adopted, the first main rib 3, the second main rib 4, the reverse gear limiting block 5 and the inner wall of the buffer cavity 12 form a small assembly which is not detachable through chemical reaction of an adhesive in a vulcanization process. The inner core 2 is connected in a cavity formed by the first main rib 3, the second main rib 4 and the reverse gear limiting block 5 through an adhesive in the vulcanization process. Specifically, in this embodiment, the forward shift limiting block 6 is separately disposed from the first main rib 3, the second main rib 4, and the reverse shift limiting block 5, and more specifically, the forward shift limiting block 6 is spaced apart from the first main rib 3, the second main rib 4, and the reverse shift limiting block 5. The pull rod body 1 is also provided with a pull rod 11, and the pull rod 11 is connected with a vehicle engine bracket.
In particular, the drawbar body 1 is typically manufactured in one piece, such as cast aluminum. The first main rib 3, the second main rib 4 and the reverse gear limiting block 5 are integrally formed rubber pieces.
Specifically, the reverse gear limiting block 5 and the forward gear limiting block 6 are respectively located at the front end and the rear end of the inner core 2, and the first main rib 3 and the second main rib 4 are respectively located at the left side and the right side of the inner core 2. The centers of the reverse gear limiting block 5 and the forward gear limiting block 6 are positioned on the same straight line, and the first main rib 3 and the second main rib 4 are symmetrically arranged about the axis of the inner core 2.
Second embodiment
The torsion beam rear suspension provided in this embodiment is substantially the same as that provided in the first embodiment, except for the shape of the fitting groove 13 and the protrusion 61.
Fig. 7 is a structural schematic view of a torsion beam rear suspension according to a second embodiment of the present invention. As shown in fig. 7, the cross sections of both side walls of the fitting groove 13 are zigzag, and the protrusion 61 is fitted in the fitting groove 13; the projection 61 is detachably snapped into the fitting groove 13. The design of the structure of the matching groove 13 and the protrusion 61 further increases the bonding strength with the matching groove 13 and prevents the falling off.
Third embodiment
The torsion-resistant pull rod rear suspension provided by the embodiment is basically the same as the torsion-resistant pull rod rear suspension provided by the first embodiment, except for the connection mode of the forward gear limiting block 6 and the pull rod body 1.
Fig. 8 is a schematic structural view of a torsion beam rear suspension according to a third embodiment of the present invention. As shown in fig. 8, the torsion resistant tie rod rear suspension provided by the present embodiment further includes a connecting seat 7 and a connecting rod 8; the protrusion 61 provided by the third embodiment of the present invention is provided with a first connection hole 611, the inner wall of the buffer cavity 12 of the drawbar rod body 1 is provided with two connection seats 7, and the connection seats 7 are provided with a second connection hole 71; when advancing shelves stopper 6 and installing on the pull rod body 1, protruding 61 clamp is established between two connecting seats 7, and first connecting hole 611 and second connecting hole 71 align, and connecting rod 8 passes first connecting hole 611 and second connecting hole 71.
Based on the above description, the present invention has the following advantages:
1. according to the torsion-resistant pull rod rear suspension provided by the invention, the forward gear limiting block 6 can be independently detached from the pull rod body 1, so that the optimal adjustment of the rigidity of the forward gear limiting block 6 is very simple and convenient; meanwhile, due to the detachable design of the forward gear limiting block 6, different hardness can be set by selecting appropriate materials according to requirements; in addition, due to the detachable design of the forward gear limiting block 6, the structure of the proper forward gear limiting block 6 can be selected according to requirements, and therefore the best buffering effect is achieved.
2. The anti-torsion pull rod rear suspension and the detachable design of the forward gear limiting block 6 provided by the invention enable the structure of the forward gear limiting block 6 to be changed without changing the whole production mold.
3. According to the anti-torsion pull rod rear suspension provided by the invention, the hardness of the front gear limiting block 6 can be independently and freely set and is not limited by the hardness setting of the rubber main rib; in addition, the structural shape of the forward gear limiting block 6 can be independently matched according to different vehicle types and different power assembly requirements, and is not influenced by a rubber main rib mold; the independent assembly setting of the forward gear limiting block 6 can facilitate and rapidly change the structural shape of the rubber limiting block, so that the real vehicle debugging matching progress is accelerated, and the development efficiency is improved.
A torsion resistant pull rod rear suspension manufacturing method comprises the following steps:
s1: providing a pull rod body 1 and an inner core 2, and integrally forming a first main rib 3, a second main rib 4 and a reverse gear limiting block 5 which are fixedly combined with the pull rod body 1 and the inner core 2 on the pull rod body 1 and the inner core 2, so that the pull rod body 1, the inner core 2, the first main rib 3, the second main rib 4 and the reverse gear limiting block 5 form a small assembly;
s2: the forward gear limiting block 6 is detachably arranged on the pull rod body 1.
The invention further provides a vehicle which comprises the torsion-resistant pull rod rear suspension.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. The utility model provides an anti-torsion pull rod rear suspension which characterized in that: include the pull rod body of rod (1), inner core (2), first main muscle (3), second main muscle (4), speed in reverse stopper (5) and advance a shelves stopper (6), first main muscle (3) second main muscle (4) and speed in reverse stopper (5) are integrated into one piece, advance shelves stopper (6) detachably install in the pull rod body of rod (1), be equipped with cushion chamber (12) on the pull rod body of rod (1), the inner wall of cushion chamber (12) is equipped with cooperation groove (13) or connecting seat (7), be equipped with arch (61) on advance shelves stopper (6), arch (61) detachably card is gone into in cooperation groove (13) or between connecting seat (7), through arch (61) with the interference fit of cooperation groove (13) or pass arch (61) with connecting rod (8) of connecting seat (7), will advance shelves stopper (6) install in on the pull rod body of rod (1), and with first main muscle (3), second main muscle (4) and speed in reverse stopper (5) interval formation between stopper (5).
2. The torsion bar aft suspension of claim 1, wherein: the matching groove (13) is a dovetail groove, the protrusion (61) is a dovetail pin, and the dovetail pin is inserted into the dovetail groove.
3. The torsion brace aft suspension of claim 2, wherein: the width of the matching groove (13) is 10mm-20mm, and the included angle of two side surfaces of the matching groove (13) is 0-180 degrees.
4. The torsion brace aft suspension of claim 1, wherein: two ends of the forward gear limiting block (6) are symmetrically provided with anti-falling pieces (62), and the anti-falling pieces (62) are clamped on the pull rod body (1).
5. The torsion bar aft suspension of claim 4, wherein: the matching groove (13) extends along a first direction, and the anti-falling piece (62) is clamped on the end face of the pull rod body (1) which is parallel and level with the matching groove (13) at two ends in the first direction.
6. The torsion bar aft suspension of claim 4, wherein: an assembly insertion groove (64) is formed between the protrusion (61) and the anti-falling piece (62), and a limiting main body (63) is arranged on one side, far away from the protrusion (61), of the forward gear limiting block (6).
7. The torsion brace aft suspension of claim 1, wherein: first main muscle (3) second main muscle (4) reach speed in reverse stopper (5) with the interior wall connection of cushion chamber (12), first main muscle (3) second main muscle (4) reach speed in reverse stopper (5) connect gradually from head to tail and are formed with the cavity, inner core (2) are connected in the cavity, inner core (2) are used for being connected with vehicle sub vehicle frame.
8. A torsion resistant pull rod rear suspension manufacturing method is characterized in that: which comprises the following steps:
providing a pull rod body (1) and an inner core (2), and integrally forming a first main rib (3), a second main rib (4) and a reverse gear limiting block (5) which are fixedly combined with the pull rod body (1) and the inner core (2) on the pull rod body (1) and the inner core (2) so that the pull rod body (1), the inner core (2), the first main rib (3), the second main rib (4) and the reverse gear limiting block (5) form a small assembly;
the utility model provides a forward gear stopper (6), be equipped with protruding (61) on forward gear stopper (6), be equipped with cushion chamber (12) on the pull rod body of rod (1), the inner wall of cushion chamber (12) is equipped with cooperation groove (13) or connecting seat (7), will protruding (61) detachably card is gone into in cooperation groove (13) or between connecting seat (7), through protruding (61) with the interference fit of cooperation groove (13) or pass protruding (61) with connecting rod (8) of connecting seat (7), will forward gear stopper (6) detachably install in on the pull rod body of rod (1), and with first main muscle (3) second main muscle (4) reach form the interval between reverse gear stopper (5).
9. A vehicle, characterized in that: including the torsion beam rear suspension of any one of claims 1-7.
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| CN202110524517.0A CN113263898B (en) | 2021-05-13 | 2021-05-13 | Torsion-resistant pull rod rear suspension, manufacturing method and vehicle |
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