CN111216506A - Double-cross-arm rear suspension shock absorber assembly, double-cross-arm rear suspension assembly and mounting method - Google Patents

Double-cross-arm rear suspension shock absorber assembly, double-cross-arm rear suspension assembly and mounting method Download PDF

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Publication number
CN111216506A
CN111216506A CN202010044958.6A CN202010044958A CN111216506A CN 111216506 A CN111216506 A CN 111216506A CN 202010044958 A CN202010044958 A CN 202010044958A CN 111216506 A CN111216506 A CN 111216506A
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CN
China
Prior art keywords
rear suspension
shock absorber
elastic
assembly
oil storage
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Pending
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CN202010044958.6A
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Chinese (zh)
Inventor
范俊映
赵正江
张静雯
程锦宝
张健
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Priority to CN202010044958.6A priority Critical patent/CN111216506A/en
Publication of CN111216506A publication Critical patent/CN111216506A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D65/00Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/12Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being suspensions, brakes or wheel units

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention discloses a double-cross-arm rear suspension shock absorber assembly, a double-cross-arm rear suspension assembly and an installation method, and relates to the technical field of automobile parts, wherein the rear suspension is provided with an installation hole; when in the second state, the diameter of the elastic mounting mechanism is larger than that of the mounting hole. The double-cross-arm rear suspension assembly comprises a rear suspension, a lower swing arm and a shock absorber assembly, one end of the oil storage barrel is connected with the lower swing arm, and the elastic mounting mechanism penetrates through the mounting hole and is clamped on the rear suspension. The mounting method of the double-cross arm rear suspension assembly comprises the following steps: inserting the elastic mounting mechanism into the mounting hole; connecting the lower swing arm with the rear suspension; one end of the oil storage barrel is connected with the lower swing arm.

Description

Double-cross-arm rear suspension shock absorber assembly, double-cross-arm rear suspension assembly and mounting method
Technical Field
The invention relates to the technical field of automobile parts, in particular to a double-cross-arm rear suspension shock absorber assembly, a double-cross-arm rear suspension assembly and an installation method.
Background
The suspension is a general term for a force transmission connecting device between a vehicle body and a wheel. The vertical reaction force, the longitudinal reaction force, the lateral reaction force and the moment caused by the reaction forces are transmitted to the automobile body to ensure the normal running of the automobile. The double-wishbone structure is a common structural form of a rear suspension and comprises a plurality of parts, wherein a shock absorber, a spring and a limiting block are important components of the suspension.
In the prior art, a double-wishbone suspension usually adopts a spiral spring shock absorber as an elastic element and a damping element, and the shock absorber and a spring of the spiral spring shock absorber are usually arranged separately, so that the assembly process is complicated, the shock absorber cannot be effectively utilized as a lower limit structure, and the spiral spring structure is ensured not to be disengaged.
Chinese patent document CN207360018U discloses a double-cross arm independent suspension spiral spring shock absorber assembly, wherein wheel side assemblies at two sides are connected into a whole through a lower swing arm assembly; the bottom of the spiral spring shock absorber assembly is hinged to the lower swing arm assembly through a rotating shaft, and the rotating shaft can freely rotate around the lower swing arm assembly; the top of the spiral spring shock absorber assembly is connected to the upper bracket assembly through the spring upper bracket, and the bracket assemblies on two sides are connected into a whole through the upper swing arm assembly. The installation method of the shock absorber assembly comprises the following steps: the wheel side assemblies on two sides are connected into a whole through the lower swing arm assembly, the bottom of the spiral spring shock absorber assembly is hinged to the lower swing arm assembly through the rotating shaft, the top of the spiral spring shock absorber assembly is connected to the upper support assembly through the spring upper support, and the support assemblies are connected into a whole through the upper swing arm assembly.
However, when the shock absorber assembly of the patent is installed, the bottom is connected with the lower swing arm assembly firstly, and the top is connected with the upper support assembly, so that the needed installation space is large, and after the shock absorber is installed at the bottom, the shock absorber still belongs to a movable state due to the fact that the bottom is hinged, the shock absorber has large mass, and therefore workers cannot independently complete the fixed installation of the top of the shock absorber, the installation efficiency is low, and the assembly difficulty and the workload are increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-cross-arm rear suspension shock absorber assembly, a double-cross-arm rear suspension assembly and a mounting method.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a double wishbone rear suspension shock absorber assembly, said rear suspension having a mounting hole formed therein, the shock absorber assembly comprising:
the shock absorber comprises a shock absorber body and a damping device, wherein the shock absorber body comprises an oil storage barrel and a piston rod, one end of the piston rod extends into the oil storage barrel, and the oil storage barrel can move along the axial direction of the piston rod;
an upper bracket fixed to the other end of the piston rod;
the base is fixed on the oil storage barrel, and a limited space is formed between the base and the upper bracket;
the damping spring is positioned in the limited space, is sleeved on the damper body and is connected with the upper bracket and the base at two ends respectively;
the elastic mounting mechanism is arranged on the upper bracket, has a first state and a second state, and is compressed when in the first state, and the diameter of the elastic mounting mechanism is not larger than that of the mounting hole; when in the second state, the diameter of the elastic mounting mechanism is larger than that of the mounting hole.
On the basis of the technical scheme, the elastic mounting mechanism comprises:
the lantern ring is sleeved on the piston rod and connected with the upper bracket;
at least two elastic pieces arranged at intervals along the outer circumferential direction of the collar.
On the basis of the technical scheme, the upper surface of the elastic part is an inclined surface extending towards the upper bracket.
On the basis of the technical scheme, the top end of the elastic piece is connected with the lantern ring, the bottom end of the elastic piece extends outwards to form a compression part, and an acute angle is formed between the compression part and the lantern ring.
On the basis of the technical scheme, an arc-shaped groove is formed in the end face, close to the damping spring, of the upper support, the arc-shaped groove is matched with the top end of the damping spring, and the top end of the damping spring abuts against and is held in the arc-shaped groove; and/or the presence of a gas in the gas,
the outer surface of the base is outwards convexly provided with a spiral bearing platform, the bearing platform is matched with the bottom end of the damping spring, and the bottom end of the damping spring is pressed on the bearing platform.
On the basis of the technical scheme, the shock absorber assembly further comprises a limiting mechanism, and the limiting mechanism is arranged on the shock absorber body and used for limiting the movement of the oil storage barrel.
On the basis of the technical scheme, the limiting mechanism comprises:
the outer sleeve is sleeved on the shock absorber body, and one end of the outer sleeve is connected with the upper bracket;
the elastic limiting piece is positioned in the outer sleeve, one end of the elastic limiting piece is connected with the upper bracket, and the other end of the elastic limiting piece extends towards the oil storage barrel; and the elastic limiting part has a limiting state, when the elastic limiting part is in the limiting state, the oil storage barrel is in contact with the elastic limiting part and compresses the elastic limiting part, and one end of the piston rod, which extends into the oil storage barrel, is not in contact with the bottom end of the oil storage barrel.
The present invention also provides a double wishbone rear suspension assembly comprising:
the rear suspension is provided with a mounting hole;
the two ends of the lower swing arm are connected with the rear suspension, and an accommodating space is formed between the lower swing arm and the rear suspension;
the shock absorber assembly is accommodated in the accommodating space, one end of the oil storage barrel close to the base is connected with the lower swing arm, and the elastic mounting mechanism penetrates through the mounting hole and is clamped on the rear suspension.
On the basis of the technical scheme, the rear suspension is further provided with two threaded holes, and the two threaded holes are respectively formed in two sides of the mounting hole; and the upper bracket is provided with two screw rods which are respectively arranged at two sides of the elastic mounting mechanism, and the two screw rods are respectively screwed in the two threaded holes and are connected with the rear suspension through nuts.
The invention also provides an installation method of the double-cross-arm rear suspension assembly, which comprises the following steps:
inserting the elastic mounting mechanism into the mounting hole so that the elastic mounting mechanism is clamped on the rear suspension;
connecting two ends of the lower swing arm with the rear suspension;
and connecting one end of the oil storage barrel close to the base with the lower swing arm.
Compared with the prior art, the invention has the advantages that:
(1) when the double-cross-arm rear suspension shock absorber assembly is used, one end, close to the elastic mounting mechanism, of the piston rod extends into the mounting hole of the rear suspension, the mounting hole compresses the elastic mounting mechanism, the diameter of the elastic mounting mechanism is not larger than that of the mounting hole after being compressed, so that the elastic mounting mechanism can smoothly pass through the mounting hole, the elastic mounting mechanism rebounds after passing through the mounting hole, the diameter of the elastic mounting mechanism is larger than that of the mounting hole, the elastic mounting mechanism is clamped on the rear suspension, and the mounting hole is sealed, so that the top of the shock absorber body and the rear suspension can be preassembled, the shock absorber assembly can be assembled by only one worker, the mounting efficiency is high, and the assembly difficulty is low.
(2) The mounting method of the double-cross-arm rear suspension assembly comprises the steps of pre-assembling the top end of the shock absorber assembly with the rear suspension through the elastic mounting mechanism, bearing the weight of the shock absorber assembly on the rear suspension, reducing the work burden of workers, fixing the bottom end of the shock absorber assembly more easily and labor-saving, mounting the lower swing arm and the rear suspension after the pre-assembling of the top end of the shock absorber assembly, providing a large construction space for the pre-assembling of the shock absorber assembly, and preventing the interference problem of the shock absorber assembly and the lower swing arm.
Drawings
FIG. 1 is a schematic structural view of a double wishbone rear suspension shock absorber assembly in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of a damper body according to an embodiment of the present invention;
FIG. 4 is a bottom view of the upper bracket;
FIG. 5 is a top view of the base;
FIG. 6 is a schematic view of the assembly of the shock absorber assembly with the rear suspension in an embodiment of the present invention;
FIG. 7 is a schematic view of the assembly of the damper assembly and the lower suspension arm in an embodiment of the present invention.
In the figure: 1-rear suspension, 10-mounting hole, 11-accommodating space, 2-damper body, 20-oil storage barrel, 21-piston rod, 3-upper support, 30-arc groove, 31-screw rod, 32-nut, 4-base, 40-limiting space, 41-bearing platform, 5-damping spring, 6-elastic mounting mechanism, 60-lantern ring, 61-elastic piece, 7-limiting mechanism, 70-outer sleeve, 71-elastic limiting piece, 8-connecting sleeve and 9-lower swing arm.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-3, an embodiment of the present invention provides a double-wishbone rear suspension damper assembly, wherein a mounting hole 10 adapted to the damper assembly is formed in a rear suspension 1, the damper assembly is mounted in the mounting hole 10, the damper assembly includes a damper body 2, the damper body 2 includes a reserve tank 20 and a piston rod 21, one end of the piston rod 21 extends into the reserve tank 20, the other end is connected to the rear suspension 1, a bottom end of the reserve tank 20 is used for being movably connected to a lower swing arm 9, when a vehicle tire is forced to be transmitted to the lower swing arm 9, the lower swing arm 9 moves toward and away from the rear suspension 1 to drive the reserve tank 20 to reciprocate along an axial direction of the piston rod 21, and oil in the reserve tank 20 repeatedly flows into another inner cavity from one inner cavity through narrow apertures. At the moment, the friction between the hole wall and the oil liquid and the liquid intramolecular friction form damping force to vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy, and the heat energy is absorbed by the oil liquid and the shock absorber shell and then is dissipated into the atmosphere, thereby ensuring the stable and safe driving. This shock absorber assembly still includes upper bracket 3 and base 4, upper bracket 3 is fixed in the piston rod 21 and does not stretch into the one end of oil storage bucket 20, base 4 is fixed in on the oil storage bucket 20, and form a restriction space 40 between with upper bracket 3 and the base 4, this shock absorber assembly still is in the same place damping spring 5 and shock absorber body 2 are integrated, damping spring 5 is located restriction space 40, and the cover is located on shock absorber body 2, and its both ends link to each other with upper bracket 3 and base 4 respectively, guarantee that damping spring 5 does not throw off, and play the effect of damping with shock absorber body 2 together. The damper assembly further comprises an elastic mounting mechanism 6, wherein the elastic mounting mechanism 6 is arranged on the upper bracket 3, the elastic mounting mechanism 6 has a first state and a second state, when in the first state, the elastic mounting mechanism 6 is compressed, and the diameter of the elastic mounting mechanism 6 is not more than the diameter of the mounting hole 10, so that when the damper assembly is mounted, the elastic mounting mechanism 6 can pass through the mounting hole 10; when the rear suspension is in the second state, the elastic mounting mechanism 6 rebounds to the free state, and the diameter of the elastic mounting mechanism 6 is larger than that of the mounting hole 10, so that the elastic mounting mechanism 6 can be clamped on the rear suspension 1 after passing through the mounting hole 10, and the mounting hole 10 is sealed.
The working principle of the shock absorber assembly of embodiment 1 of the invention is as follows:
stretch into the mounting hole 10 of back suspension 1 with the one end that piston rod 21 is close to elastic mounting mechanism 6 in, mounting hole 10 compression elastic mounting mechanism 6, elastic mounting mechanism 6 is compressed the back, its diameter is not more than the diameter of mounting hole 10, consequently elastic mounting mechanism 6 can pass through mounting hole 10 smoothly, after through mounting hole 10, elastic mounting mechanism 6 kick-backs, the diameter of elastic mounting mechanism 6 is greater than the diameter of mounting hole 10 this moment, and elastic mounting mechanism 6 card is held on back suspension 1, seal mounting hole 10, thereby realize the top of shock absorber body 2 and the pre-assembly of back suspension 1, only need a staff can accomplish the assembly of shock absorber assembly, the installation effectiveness is high, the assembly degree of difficulty is low.
Optionally, the elastic mounting mechanism 6 includes a collar 60 and at least two elastic members 61, the elastic members 61 are made of rubber and have good resilience, and the collar 60 is sleeved on the piston rod 21 and connected to the upper bracket 3; at least two elastic members 61 are provided at intervals in the outer circumferential direction of the collar 60. The two elastic pieces 61 are compressed to penetrate through the mounting hole 10, and cover the mounting hole 10 after rebounding, so that the pre-assembly with the rear suspension 1 is realized, and the shock absorber body 2 is ensured not to fall off.
Preferably, the upper surface of the elastic member 61 is an inclined surface extending toward the upper bracket 3, and the damper body 2 is inserted into the mounting hole 10 upward when the damper body 2 is mounted, so that the upper surface of the elastic member 61 is an inclined surface extending downward, which is beneficial for the mounting hole 10 to apply a compression force to the elastic member 61, and compress the elastic member 61, so that the elastic member 61 can rapidly pass through the mounting hole 10.
Example 2:
the basic contents of embodiment 2 of the present invention are the same as embodiment 1, except that:
the top end of the elastic member 61 of embodiment 2 of the present invention is connected to the collar 60, and the bottom end extends outward to form a compression portion, and an acute angle is formed between the compression portion and the collar 60. When in the second state, a compression gap is formed between the compression part and the collar 60, and when in the first state, the elastic member 61 is compressed, the elastic member 61 is pressed on the collar 60, the compression gap is eliminated, the elastic member 61 is compressed more easily, and the deformation of the elastic member 61 is prevented.
Example 3:
the basic contents of embodiment 2 of the present invention are the same as embodiment 1, except that:
referring to fig. 4, an arc-shaped groove 30 is formed in the end surface of the upper bracket 3 close to the damping spring 5, the arc-shaped groove 30 is matched with the top end of the damping spring 5, and the top end of the damping spring 5 abuts against the arc-shaped groove 30. The arc groove 30 is internally provided with a rubber pad to prevent the top end of the damping spring 5 from pushing the upper bracket 3 to be damaged, and the top end of the damping spring 5 is fixed in the arc groove 30 to prevent the displacement of the damping spring 5.
Referring to fig. 5, the outer surface of the base 4 is protruded outward to form a spiral receiving platform 41, the receiving platform 41 is matched with the bottom end of the damping spring 5, and the bottom end of the damping spring 5 is pressed on the receiving platform 41. The bearing table 41 is coated with a rubber pad, the bottom end of the damping spring 5 is wound on the bearing table 41 and is abutted against the bearing table 41, the damping spring 5 is fixed, and the damping spring 5 is prevented from shifting.
Example 4:
the basic contents of embodiment 4 of the present invention are the same as embodiment 1, except that:
referring to fig. 2, the damper assembly according to embodiment 4 of the present invention further includes a limiting mechanism 7, and the limiting mechanism 7 is disposed on the damper body 2 and is used to limit the movement of the oil storage barrel 20 and prevent the piston rod 21 from contacting the bottom end of the oil storage barrel 20 to damage the oil storage barrel 20.
Optionally, the limiting mechanism 7 includes an outer sleeve 70 and an elastic limiting member 71, the outer sleeve 70 is sleeved on the shock absorber body 2, and one end of the outer sleeve 70 is connected with the upper bracket 3; the elastic limiting piece 71 is positioned in the outer sleeve 70, one end of the elastic limiting piece 71 is connected with the upper bracket 3, and the other end extends towards the oil storage barrel 20; and the elastic limiting piece 71 has a limiting state, when in the limiting state, the oil storage barrel 20 is in contact with the elastic limiting piece 71 and compresses the elastic limiting piece 71, and one end of the piston rod 21 extending into the oil storage barrel 20 is not in contact with the bottom end of the oil storage barrel 20, so that the piston rod 21 is prevented from being in contact with the bottom end of the oil storage barrel 20, the oil storage barrel 20 is damaged, the tire is limited from jumping upwards, and the tire is prevented from being interfered with a wheel cover of a vehicle body.
Example 5:
referring to fig. 6-7, embodiment 5 of the present invention further discloses a double-wishbone rear suspension assembly, which includes a rear suspension 1, a lower swing arm 9 and a shock absorber assembly, wherein the rear suspension 1 is provided with a mounting hole 10; two ends of the lower swing arm 9 are connected with the rear suspension 1, an accommodating space 11 is formed between the lower swing arm and the rear suspension 1, and the bottom end of the lower swing arm 9 is connected with a tire; the shock absorber assembly is accommodated in the accommodating space 11, one end of the oil storage barrel 20 close to the base 4 is movably connected with the lower swing arm 9, and the elastic mounting mechanism 6 penetrates through the mounting hole 10 and is clamped on the rear suspension 1. The elastic mounting means 6 is now in the second state, and the diameter of the elastic mounting means 6 is larger than the diameter of the mounting hole 10, so that the elastic mounting means 6 can be retained on the rear suspension 1. When the automobile tire is stressed and transmitted to the lower swing arm 9, the lower swing arm 9 reciprocates towards the direction close to and away from the rear suspension 1 to drive the oil storage barrel 20 to reciprocate along the axial direction of the piston rod 21, and the oil in the oil storage barrel 20 repeatedly flows from one inner cavity into the other inner cavity through narrow pores. At the moment, the friction between the hole wall and the oil liquid and the liquid intramolecular friction form damping force to vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy, and the heat energy is absorbed by the oil liquid and the shock absorber shell and then is dissipated into the atmosphere, thereby ensuring the stable and safe driving.
Preferably, the rear suspension 1 is further provided with two threaded holes, and the two threaded holes are respectively formed in two sides of the mounting hole; two screws 31 are arranged on the upper bracket 3, the two screws 31 are respectively arranged on two sides of the elastic mounting mechanism 6, and the two screws 31 are respectively screwed in the two threaded holes and are connected with the rear suspension 1 through nuts 32. The elastic mounting mechanism 6 is clamped on the rear suspension 1 only for realizing the preassembly of the top of the shock absorber body 2 and the rear suspension 1, and the upper bracket 3 and the rear suspension 1 are fixed through the nut 32 after the preassembly, so that the shock absorber body 2 is prevented from being too heavy and falling out of the mounting hole 10 to damage the elastic mounting mechanism 6.
Example 6:
the embodiment 6 of the invention also discloses an installation method of the double-cross-arm rear suspension assembly, which comprises the following steps:
s1: the elastic mounting mechanism 6 is inserted into the mounting hole 10, the mounting hole 10 compresses the elastic mounting mechanism 6, the diameter of the elastic mounting mechanism 6 is not larger than that of the mounting hole 10 after being compressed, therefore, the elastic mounting mechanism 6 can smoothly pass through the mounting hole 10, after passing through the mounting hole 10, the elastic mounting mechanism 6 rebounds, and the diameter of the elastic mounting mechanism 6 is larger than that of the mounting hole 10 at the moment, so that the elastic mounting mechanism 6 is clamped on the rear suspension 1 to seal the mounting hole 10; and the lower swing arm 9 is not installed at this time, there is enough space to install the damper assembly without being affected by the space limitation and the interference with the lower swing arm 9.
S2: the two ends of the lower swing arm 9 are connected with the rear suspension 1, the lower swing arm 9 is installed after the elastic installation mechanism 6 is installed, and the elastic installation mechanism 6 has no influence on the installation of the lower swing arm 9.
S3: and finally, one end of the oil storage barrel 20 close to the base 4 is connected with the lower swing arm 9, one end of the oil storage barrel 20 close to the base 4 is connected with a connecting sleeve, the connecting sleeve is rotatably connected with the lower swing arm 9 through a pin shaft, and the oil storage barrel 20 is driven to move through the movement of the lower swing arm 9, so that the vibration reduction effect is realized.
The installation method of the double-cross-arm rear suspension assembly in embodiment 6 of the invention is that the top end of the shock absorber assembly is pre-assembled with the rear suspension 1 through the elastic installation mechanism 6, the weight of the shock absorber assembly is loaded on the rear suspension 1, the work burden of workers is reduced, the bottom end of the shock absorber assembly is fixed more easily and labor-saving, and the installation of the lower swing arm 9 and the rear suspension 1 is carried out after the pre-assembly of the top end of the shock absorber assembly, so that a large construction space for the pre-assembly of the shock absorber assembly is provided, and the problem of interference between the shock absorber assembly and the lower swing arm 9 is prevented.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims (10)

1. A double wishbone rear suspension shock absorber assembly, having a mounting hole (10) cut into the rear suspension (1), characterized in that the shock absorber assembly comprises:
the shock absorber comprises a shock absorber body (2) and a damping device, wherein the shock absorber body comprises an oil storage barrel (20) and a piston rod (21), one end of the piston rod (21) extends into the oil storage barrel (20), and the oil storage barrel (20) can move along the axial direction of the piston rod (21);
an upper bracket (3) fixed to the other end of the piston rod (21);
the base (4) is fixed on the oil storage barrel (20) and forms a limited space (40) with the upper bracket (3) and the base (4);
the damping spring (5) is positioned in the limiting space (40), sleeved on the damper body (2) and connected with the upper bracket (3) and the base (4) at two ends respectively;
an elastic mounting mechanism (6) arranged on the upper bracket (3), wherein the elastic mounting mechanism (6) has a first state and a second state, when in the first state, the elastic mounting mechanism (6) is compressed, and the diameter of the elastic mounting mechanism is not larger than that of the mounting hole (10); when in the second state, the diameter of the elastic mounting mechanism (6) is larger than that of the mounting hole (10).
2. A double wishbone rear suspension shock absorber assembly as claimed in claim 1 wherein said resilient mounting means (6) comprises:
the lantern ring (60) is sleeved on the piston rod (21) and is connected with the upper bracket (3);
at least two elastic members (61) spaced apart in an outer circumferential direction of the collar (60).
3. A double wishbone rear suspension shock absorber assembly as claimed in claim 2 wherein the upper surface of said resilient member (61) is an inclined surface extending towards said upper bracket (3).
4. A double wishbone rear suspension shock absorber assembly as claimed in claim 2 wherein said resilient member (61) is connected at its top end to said collar (60) and at its bottom end extends outwardly to form a compression portion which is at an acute angle to said collar (60).
5. The double-wishbone rear suspension shock absorber assembly as recited in claim 1, wherein an arc-shaped groove (30) is formed in the end surface of the upper bracket (3) near the shock absorbing spring (5), the arc-shaped groove (30) is adapted to the top end of the shock absorbing spring (5), and the top end of the shock absorbing spring (5) is abutted against the arc-shaped groove (30); and/or the presence of a gas in the gas,
the outer surface of the base (4) is provided with a spiral bearing platform (41) in an outward protruding mode, the bearing platform (41) is matched with the bottom end of the damping spring (5), and the bottom end of the damping spring (5) is pressed on the bearing platform (41).
6. The double wishbone rear suspension shock absorber assembly as claimed in claim 1, wherein said shock absorber assembly further comprises a limiting mechanism (7), said limiting mechanism (7) being assembled to said shock absorber body (2) and being adapted to limit the movement of said swirl pot (20).
7. The double wishbone rear suspension shock absorber assembly as claimed in claim 6, wherein said limiting mechanism (7) comprises:
the outer sleeve (70) is sleeved on the shock absorber body (2), and one end of the outer sleeve (70) is connected with the upper bracket (3);
the elastic limiting piece (71) is positioned in the outer sleeve (70), one end of the elastic limiting piece (71) is connected with the upper bracket (3), and the other end of the elastic limiting piece (71) extends towards the oil storage barrel (20); and the elastic limiting part (71) has a limiting state, when the elastic limiting part is in the limiting state, the oil storage barrel (20) is in contact with the elastic limiting part (71) and compresses the elastic limiting part (71), and one end of the piston rod (21) extending into the oil storage barrel (20) is not in contact with the bottom end of the oil storage barrel (20).
8. A double wishbone rear suspension assembly, comprising:
the rear suspension (1) is provided with a mounting hole (10);
the two ends of the lower swing arm (9) are connected with the rear suspension (1), and an accommodating space (11) is formed between the lower swing arm and the rear suspension (1);
the shock absorber assembly as claimed in claim 1, wherein the shock absorber assembly is accommodated in the accommodating space (11), one end of the oil storage barrel (20) close to the base (4) is connected with the lower swing arm (9), and the elastic mounting mechanism (6) is arranged in the mounting hole (10) in a penetrating manner and clamped on the rear suspension (1).
9. The double-wishbone rear suspension assembly as claimed in claim 8, wherein said rear suspension (1) is further provided with two threaded holes, said two threaded holes being provided on either side of said mounting hole; the upper support (3) is provided with two screw rods (31), the two screw rods (31) are respectively arranged on two sides of the elastic mounting mechanism (6), and the two screw rods (31) are respectively screwed in the two threaded holes and are connected with the rear suspension (1) through nuts (32).
10. A method of installing a double wishbone rear suspension assembly as claimed in claim 8, comprising the steps of:
inserting the elastic mounting mechanism (6) into the mounting hole (10) so that the elastic mounting mechanism (6) is clamped on the rear suspension (1);
connecting two ends of the lower swing arm (9) with the rear suspension (1);
and one end of the oil storage barrel (20) close to the base (4) is connected with the lower swing arm (9).
CN202010044958.6A 2020-01-15 2020-01-15 Double-cross-arm rear suspension shock absorber assembly, double-cross-arm rear suspension assembly and mounting method Pending CN111216506A (en)

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CN202010044958.6A CN111216506A (en) 2020-01-15 2020-01-15 Double-cross-arm rear suspension shock absorber assembly, double-cross-arm rear suspension assembly and mounting method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078622A (en) * 2020-09-07 2020-12-15 中国铁建重工集团股份有限公司 Suspension device and vehicle

Citations (5)

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FR2986495A1 (en) * 2012-02-03 2013-08-09 Peugeot Citroen Automobiles Sa Support for shock absorber intended to be fixed to MacPherson strut of car, has flange including annular recess of telescopic shock absorber giving eccentric position of its axis relative to its own centering contour
CN105422721A (en) * 2014-09-16 2016-03-23 丰田自动车株式会社 Suspension Device For A Vehicle

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Publication number Priority date Publication date Assignee Title
CN201140738Y (en) * 2007-11-22 2008-10-29 浙江吉利汽车有限公司 Installation guide pad of vibrating absorber
CN201547178U (en) * 2009-11-05 2010-08-11 北汽福田汽车股份有限公司 Vibration absorbing device and suspension with double transverse arms
CN102781691A (en) * 2010-01-04 2012-11-14 马格纳斯泰尔汽车技术两合公司 Spring-damper unit
FR2986495A1 (en) * 2012-02-03 2013-08-09 Peugeot Citroen Automobiles Sa Support for shock absorber intended to be fixed to MacPherson strut of car, has flange including annular recess of telescopic shock absorber giving eccentric position of its axis relative to its own centering contour
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Application publication date: 20200602