CN219969338U - Adjustable front suspension system of shock-resistant motion chassis - Google Patents

Adjustable front suspension system of shock-resistant motion chassis Download PDF

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Publication number
CN219969338U
CN219969338U CN202320400091.2U CN202320400091U CN219969338U CN 219969338 U CN219969338 U CN 219969338U CN 202320400091 U CN202320400091 U CN 202320400091U CN 219969338 U CN219969338 U CN 219969338U
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front suspension
rocker arm
main
hole
suspension system
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赵青才
朱李平
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Changsha Lizhong Automotive Design And Development Co ltd
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Changsha Lizhong Automotive Design And Development Co ltd
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Abstract

The utility model provides an adjustable front suspension system of an impact-resistant motion chassis, which is characterized in that: the front suspension system (2) is arranged at the left and right front wheels of the shock-resistant motion chassis (1) and is used for connecting the body of the shock-resistant motion chassis (1) with wheels, the front suspension system (2) comprises a main pin seat (3), a front suspension fixing plate (4), step screws (5), a main rocker arm (6), a lower rocker arm (7), springs (8) and a ground clearance adjusting screw (9). The utility model adopts the spring suspension to simulate the high-speed motion characteristic of the vehicle on the actual road, has high motion reliability and stability, can improve the fidelity and the test repeatability of the test scene, has low cost, high precision, good consistency and strong pavement adaptability, and is easy to maintain and transfer during test.

Description

Adjustable front suspension system of shock-resistant motion chassis
Technical Field
The utility model relates to the technical field of active safety of automobiles, in particular to an adjustable front suspension system of an impact-resistant motion chassis.
Background
In recent years, the industry increasingly pays attention to vehicle automatic driving technology aiming at the sequential release of test regulations of intelligent driving of vehicles, and the requirements on test scenes, test regulations and passing conditions of the automatic driving technology are increasingly severe. In the testing process of intelligent network-connected automobiles in China, the shock-resistant motion chassis is key equipment necessary for constructing complex testing scenes in intelligent driving testing, has a high-precision high-speed motion control function, and can realize the authenticity of field testing through self-defined track motion. One of the key core technologies and difficulties is how to construct a suspension system with high stability and high strength in a limited space, so that the high-speed motion characteristics of a vehicle on an actual road can be simulated, and meanwhile, the high-speed motion characteristics have high motion precision and stability, and the fidelity and the test repeatability of a test scene are improved.
At present, related high-speed sports products in the field are not available in China, and a customized suspension system and a customized motor are basically adopted for supporting and driving abroad, so that the cost of the products is extremely high, the time for delivering goods is long, maintenance is difficult after equipment is damaged, monopoly markets are extremely easy to form, and the road-leaving device does not have an adjustable ground-leaving travel and is difficult to adapt to actual application scenes of China roads. Accordingly, there is a need for a low cost front suspension system for an impact resistant sports chassis that achieves an adjustable ground clearance.
Disclosure of Invention
The utility model aims to realize the functions that the wheels can extend out of the machine body during normal running, retract into the machine body when being rolled by weights exceeding a certain load limit and the like by arranging a suspension system which can support the machine body and transmit a tangential force and moment between the wheels and the machine body by using the existing springs in the market; meanwhile, the device capable of adjusting the height of the suspension system is arranged, the adjustment of the ground clearance of the shock-resistant motion chassis is realized by adjusting the compression amount of the spring, the road condition adaptability is strong, the manufacturing cost is low, and the test requirement of the actual road condition of the China road is further met.
The technical scheme of the utility model provides an adjustable front suspension system of an impact-resistant motion chassis, which comprises a main pin seat, a front suspension fixing plate, a step screw, a main rocker arm, a lower rocker arm, a spring and a ground clearance adjusting screw;
one end of the main pin seat is connected with the wheel assembly through a main pin, and the other end of the main pin seat is fixedly connected with a main rocker arm and a lower rocker arm of the front suspension system through step screws;
one end of the front suspension fixing plate is fixed on an inner wall rib plate of the shock-resistant motion chassis, and the other end of the front suspension fixing plate is fixedly connected with a main rocker arm and a lower swing arm of the front suspension system through step screws;
the main rocker arm is fixedly connected with the main pin seat and the front suspension fixing plate respectively through step screws, and the main rocker arm is connected with the step screws through bearings, so that the rotary motion of the main rocker arm is facilitated, and meanwhile, the gap of a front suspension system can be eliminated;
the main rocker arm is fixedly connected with the main pin seat and the front suspension fixing plate through step screws respectively;
the lower swing arm is fixedly connected with the main pin seat and the front suspension fixing plate through step screws respectively.
The ground clearance adjusting screw rod is connected with a threaded hole arranged at the bottom of the shock-resistant motion chassis by penetrating through an oval countersunk through hole on the main rocker arm; the ground clearance adjusting screw is used for realizing the pretension of the spring and the adjustment of the ground clearance of the shock-resistant motion chassis by adjusting the locknut arranged at the contact part of the upper end of the ground clearance adjusting screw and the oval countersunk through hole on the main rocker arm.
Further, a first round through hole and a first threaded hole are formed in the main pin seat;
the main pin passes through the first circular through hole, so that the wheel assembly can rotate around the main pin under the drive of the steering system; the first threaded hole is matched with the step screw and used for installing and fixing the main rocker arm and the lower swing arm; the square through holes are used for weight reduction.
Further, a threaded through hole, a second threaded hole, a plate and a rectangular groove are formed in the suspension fixing plate; the threaded through hole is used for fixing the front suspension fixing plate on the shock-resistant motion chassis and fixing the front suspension fixing plate on the screw rod; the second threaded hole is matched with the step screw and used for installing and fixing the main rocker arm and the lower swing arm; the clamping plate is in a cuboid shape, a rectangular groove is formed in the clamping plate, the rectangular groove is used for installing the sealing strip, and the clamping plate and the shock-resistant motion chassis upper machine body rib plate form a whole.
Further, a smooth screw and a threaded screw are arranged on the step screw, the smooth screw is connected with the main rocker arm and the lower swing arm through bearings, the threaded screw is fixedly connected with a threaded hole on the mounting body, and the fixed connection of the main rocker arm and the lower swing arm is completed.
Further, the main rocker arm adopts an integrated structure, a second circular through hole is formed in the main rocker arm, the second circular through holes are symmetrically formed in two ends of the main rocker arm and used for enabling step screws to pass through in a matched mode with bearings, and therefore the main rocker arm is fixedly connected with the main pin seat and the front suspension fixing plate.
Further, an oval countersunk through hole is further formed in the main rocker arm, and the oval countersunk through hole is located in the middle of the upper end face of the main pin seat, is used for enabling the ground clearance adjusting screw to pass through and is connected with a threaded hole formed in the bottom of the shock-resistant motion chassis;
the round boss is used for connecting and fixing the spring through the matched flange and limiting the freedom degree of the spring.
Further, the lower swing arm adopts an integrated structure, a third circular through hole is formed in the lower swing arm, and the third circular through hole is symmetrically arranged at two ends of the lower swing arm and used for enabling a step screw to pass through in a matched manner with a bearing, so that the lower swing arm is fixedly connected with the main pin seat and the front suspension fixing plate.
Further, the main rocker arm and the lower rocker arm are respectively fixed with the main pin seat and the front suspension fixing plate and are connected through step screws to form a parallelogram structure.
The beneficial effect of this scheme is:
(1) According to the technical difficult problem of 'neck clamping' in China, the utility model solves the problem of designing a suspension system with high movement speed and very low movement chassis in a limited space, eliminates steering clearance, improves the reliability and stability of movement and reduces the product cost.
(2) The utility model designs an elastic suspension system, which saves the height space through a parallelogram and spring structure, and supports the suspension system by the spring during normal running, so that the wheels are grounded, when a weight exceeding a certain weight rolls an impact-resistant motion chassis, the spring is compressed, the wheels are lifted off, the body of the impact-resistant motion chassis contacts the ground, and the suspension and tire system components are protected.
(3) The utility model designs the ground clearance adjusting system, the compression amount of the rectangular spring can be pre-tightened in advance by adjusting the nuts on the ground clearance adjusting screw, and meanwhile, the ground clearance of the impact-resistant motion chassis can be adjusted by adjusting the compression amount of the spring, so that the overall trafficability and pavement adaptability of the product are improved, and the product is easy to maintain and transition during testing.
(4) The spring used by the utility model has the advantages of high transmission efficiency, stable transmission, low noise, no need of lubrication and maintenance and the like, and greatly reduces the manufacturing cost and the use cost of the product.
(5) The utility model develops an adjustable front suspension system, which ensures the running stability of an impact-resistant motion chassis through ingenious and simple arrangement design, eliminates steering clearance brought by the suspension system by matching with a bearing, and solves the problems of high-precision high-speed motion shake fluctuation and difficult control with low cost.
Drawings
The advantages of the foregoing and/or additional aspects of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall assembly of a front suspension system for an impact resistant sports chassis of the present utility model;
FIG. 2 is a schematic view of a front left suspension system for an impact resistant sports chassis of the present utility model;
FIG. 3 is a front view of a left master pin base structure of one embodiment of the present utility model;
FIG. 4 is a rear view of the left kingpin seat configuration of one embodiment of the utility model;
FIG. 5 is a front view of the front suspension anchor plate structure of one embodiment of the present utility model;
FIG. 6 is a rear elevational view of the front suspension anchor plate structure of one embodiment of the present utility model;
FIG. 7 is a schematic view of a step screw configuration of an embodiment of the present utility model;
FIG. 8 is a front view of a primary rocker arm structure of one embodiment of the present utility model;
FIG. 9 is a rear view of a primary rocker arm structure of an embodiment of the present utility model;
FIG. 10 is a schematic diagram of the lower swing arm structure of an embodiment of the present utility model;
FIG. 11 is a schematic view of a spring structure of an embodiment of the present utility model;
fig. 12 is a schematic view of the structure of the ground clearance adjustment screw according to an embodiment of the present utility model.
Wherein: 1-an impact resistant sports chassis; 2-front suspension system; 3-a main pin holder; 301-a first circular through hole; 302-a first threaded hole; 303-square through holes; 4-front suspension fixing plate; 401-threaded through hole; 402-a second threaded hole; 403-cardboard; 40301-rectangular recess; 5-step screws; 501-smooth surface screw rod; 502-threaded screw; 6-a primary rocker arm; 601-a second circular through hole; 602-an oval countersunk through hole; 603-circular boss; 604-a flange; 7-a lower swing arm; 701-a third circular through hole; 8-a spring; 9-ground clearance adjustment screw.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, embodiments of the present utility model and features in the embodiments may be combined with each other.
In the present utility model, terms such as "mounted," "connected," "fixed," "front-to-back," "left-to-right," "inside-to-outside," "up-to-down," and the like are to be construed broadly based on the device, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-2, this embodiment provides an adjustable front suspension system for an impact resistant sports chassis. One end of the front suspension system 2 is arranged on the body of the shock-resistant motion chassis 1, and the other end of the front suspension system is fixedly connected with a wheel assembly on the shock-resistant motion chassis 1 through a master pin, so that the supporting and force transmission functions of the shock-resistant motion chassis 1 are realized, and the flexible steering function of wheels is realized;
the front suspension system 2 comprises a main pin boss 3, a front suspension fixing plate 4, a step screw 5, a main rocker arm 6, a lower rocker arm 7, a spring 8 and a ground clearance adjusting screw 9;
one end of the main pin seat 3 is connected with the wheel assembly through a main pin, and the other end of the main pin seat is fixedly connected with a main rocker arm 6 and a lower rocker arm 7 of the front suspension system through step screws 5;
one end of the front suspension fixing plate 4 is fixed on the rib plate of the inner wall of the shock-resistant motion chassis 1 and used for bearing the weight of the whole machine body, and the other end of the front suspension fixing plate is fixedly connected with the main rocker arm 6 and the lower rocker arm 7 of the front suspension system through step screws 5;
the main rocker arm 6 is fixedly connected with the main pin seat 3 and the front suspension fixing plate 4 respectively through the step screw 5, and the main rocker arm 6 is connected with the step screw 5 through bearings, so that the rotary motion of the main rocker arm 6 is facilitated, and meanwhile, the gap of the front suspension system 2 can be eliminated;
the lower swing arm 7 is fixedly connected with the main pin seat 3 and the front suspension fixing plate 4 respectively through the step screw 5, the lower swing arm 7 is connected with the step screw 5 through bearings, so that the rotary motion of the lower swing arm 7 is facilitated, and meanwhile, the gap of the front suspension system 2 can be eliminated;
the springs 8 are fixedly connected with the bottom plate on the shock-resistant motion chassis 1 through the main rocker arm 6 and are longitudinally arranged, so that an elastic element with a certain elastic stroke is formed, and the springs are respectively connected with the main rocker arm 6 and the lower swing arm 7, the main pin seat 3, the front suspension fixing plate 4 and the step screw 5 to form a parallelogram structure, so that the telescopic function of the suspension system 2 is realized;
the ground clearance adjusting screw 9 is connected with a threaded hole arranged at the bottom of the shock-resistant motion chassis 1 after penetrating through an oval countersunk through hole on the main rocker arm 6, so that the pretension of the spring 8 and the adjustment of the ground clearance of the shock-resistant motion chassis 1 are realized through a locknut arranged at the contact position of the upper end of the ground clearance adjusting screw 9 and the oval countersunk through hole on the main rocker arm 6.
Fig. 3-4 are front and rear views of a left master pin base structure according to one embodiment of the present utility model. The main pin seat 3 is formed by processing a high-strength metal material, and a first circular through hole 301 and a first threaded hole 302 are formed in the main pin seat 3; the first circular through hole 301 is formed by two symmetrical arrangements, namely an upper circular through hole and a lower circular through hole, and is used for connecting the wheel assembly to enable the kingpin to pass through, so that the wheel assembly can rotate around the kingpin under the drive of the steering system, and the steering of the wheel assembly is realized; the first threaded hole 302 is formed by symmetrically arranging left and right 4 threaded holes and is matched with the step screw 5 to be used for installing and fixing the main rocker arm 6 and the lower swing arm 7; the square through hole 303 is a large square through hole (which can be opened or opened without affecting the overall strength), and is mainly used for reducing the weight of the main pin boss 3.
Fig. 5-6 are front and rear views of a front suspension anchor plate structure of an embodiment of the present utility model. The suspension fixing plate 4 is formed by processing a metal material, and a threaded through hole 401, a second threaded hole 402, a clamping plate 403 and a rectangular groove 40301 are formed in the suspension fixing plate 4; the number of the threaded through holes 401 is 4, and the threaded through holes are symmetrically arranged according to the left and right number of the threaded through holes 2 respectively and are used for fixing the front suspension fixing plate 4 with the screw rod when being fixed on the body rib plate of the shock-resistant motion chassis 1; the second threaded hole 402 is formed by 4 symmetrical arrangement on the left and right, and is matched with the step screw 5 to be used for installing and fixing the main rocker arm 6 and the lower swing arm 7; the clamping plate 403 is in a cuboid shape, a rectangular groove 40301 is formed in the clamping plate, the rectangular groove 40301 is used for installing sealing strips, and the clamping plate 403 and the upper body rib plate of the shock-resistant motion chassis 1 are integrated into a whole, so that high-grade waterproof and dustproof effects are realized, and a steering electric system assembled in the middle of the left and right front suspension systems of the shock-resistant motion chassis 1 is protected.
As shown in fig. 7, the step screw 5 is made of metal, a smooth screw 501 and a threaded screw 502 are arranged on the step screw 5, and the smooth screw 501 is connected with the main rocker arm 6 and the lower swing arm 7 through bearings, so that the smoothness of the rotation movement of the main rocker arm 6 and the lower swing arm 7 is improved, meanwhile, the suspension gap is eliminated, and the steering precision is ensured; the threaded screw 502 is fixedly connected with a threaded hole on the installation body, and the fixed connection of the main rocker arm 6 and the lower swing arm 7 is completed.
Fig. 8-9 are front and rear views of a primary rocker arm structure of an embodiment of the present utility model. The main rocker arm 6 is I-shaped and is integrally formed, so that the problems of uneven stress, poor coaxiality and the like caused by split type are avoided, and the overall impact strength of the main rocker arm is enhanced; the main rocker arm 6 is provided with a second circular through hole 601, an oval countersunk through hole 602, a circular boss 603 and a flange 604, wherein the second circular through hole 601 is symmetrically arranged at two ends of the main rocker arm 6 and is used for enabling a step screw 5 to pass through in a matching manner with a bearing, so that the main rocker arm 6 is fixedly connected with the main pin seat 3 and the front suspension fixing plate 4; the oval countersunk through hole 602 is arranged in the middle of the upper end surface of the main pin seat 3, is used for allowing the ground clearance adjusting screw 9 to pass through and is connected with a threaded hole arranged at the bottom of the shock-resistant motion chassis 1, and when the spring 8 stretches, even if the main rocker arm 6 moves in an arc shape, the deformation of the ground clearance adjusting screw 9 can be avoided through an oval opening on the oval countersunk through hole 602; the circular boss 603 is used to attach the fixed spring 8 by means of a mating flange 604 and limit the freedom of the spring 8.
As shown in fig. 10, the lower swing arm 7 has an i-shaped structure, and is integrally formed, so that the problems of uneven stress, poor coaxiality and the like caused by split type are avoided, and the overall impact strength of the lower swing arm is enhanced; the lower swing arm 7 is provided with a third circular through hole 701, and the third circular through holes 701 are symmetrically arranged at two ends of the lower swing arm 7 and used for enabling the step screw 5 to pass through in a matched bearing manner, so that the lower swing arm 7 is fixedly connected with the main pin seat 3 and the front suspension fixing plate 4.
As shown in fig. 11, one end of the spring 8 is connected and matched with a circular boss 603 on the main rocker arm 6, and the other end of the spring is connected with a circular boss on the bottom of the shock-resistant motion chassis 1, and the main rocker arm 6 and the lower rocker arm 7 are matched to respectively coact with a parallelogram structure formed by connecting the main pin seat 3 and the front suspension fixing plate 4 through step screws, so that the telescopic motion of the front suspension system 2 is realized.
As shown in fig. 12, the ground clearance adjusting screw 9 is a through threaded rod body made of metal, and the ground clearance adjusting screw 9 is connected with a threaded hole formed at the bottom of the impact-resistant motion chassis 1 by passing through an oval countersunk through hole 602 on the main rocker arm 6, so that the pretension of the spring 8 and the adjustment of the ground clearance of the impact-resistant motion chassis 1 are realized by adjusting a locknut mounted at the contact position of the upper end of the ground clearance adjusting screw 9 and the oval countersunk through hole 602 on the main rocker arm 6.
In the test process, the equipment of the suspension system of the shock-resistant motion chassis is provided with an adjustable ground clearance mechanism, can simulate the high-speed motion characteristics of vehicles on actual roads, has high motion precision and stability, can improve the fidelity of test scenes and the test repeatability, has low cost, high precision, good synchronism and strong pavement adaptability, and is easy to maintain and transfer during the test.
Although the utility model has been provided in detail with reference to the accompanying drawings, it is to be understood that these descriptions are merely illustrative and are not intended to limit the application of the utility model. The scope of the utility model is defined by the appended claims and may include various modifications, alterations and equivalents of the utility model without departing from the scope and spirit of the utility model.

Claims (8)

1. The utility model provides an adjustable front suspension system of motion chassis shocks resistance, includes main keyway (3), front suspension fixed plate (4), step screw (5), main rocking arm (6), lower swing arm (7), spring (8), ground clearance adjustment screw rod (9), its characterized in that:
one end of the main pin seat (3) is connected with the wheel assembly through a main pin, and the other end of the main pin seat is fixedly connected with a main rocker arm (6) and a lower rocker arm (7) of the front suspension system through step screws (5);
one end of a front suspension fixing plate (4) is fixed on an inner wall rib plate of the shock-resistant motion chassis (1), and the other end is fixedly connected with a main rocker arm (6) and a lower rocker arm (7) of the front suspension system through step screws (5);
the main rocker arm (6) is fixedly connected with the main pin seat (3) and the front suspension fixing plate (4) through step screws (5), the main rocker arm (6) is connected with the step screws (5) through bearings, so that the rotary motion of the main rocker arm (6) is facilitated, and meanwhile, the gap of the front suspension system (2) can be eliminated;
the main rocker arm (6) is fixedly connected with the main pin seat (3) and the front suspension fixing plate (4) through step screws (5) respectively;
the lower swing arm (7) is fixedly connected with the main pin seat (3) and the front suspension fixing plate (4) through step screws (5) respectively;
the ground clearance adjusting screw (9) is connected with a threaded hole arranged at the bottom of the shock-resistant motion chassis (1) by passing through an oval countersunk through hole on the main rocker arm (6); the ground clearance adjusting screw (9) is used for realizing the pretension of the spring and the adjustment of the ground clearance of the shock-resistant motion chassis by adjusting the locknut arranged at the contact position of the upper end of the ground clearance adjusting screw and the oval countersunk through hole on the main rocker arm (6).
2. The adjustable front suspension system of an impact resistant sport chassis of claim 1, wherein:
the main pin seat (3) is provided with a first round through hole (301) and a first threaded hole (302);
the kingpin passes through the first circular through hole (301) so that the wheel assembly can perform rotary motion around the kingpin under the drive of the steering system; the first threaded hole (302) is matched with the step screw (5) and is used for installing and fixing the main rocker arm (6) and the lower swing arm (7); the square through holes (303) are used for weight reduction.
3. The adjustable front suspension system of an impact resistant sport chassis of claim 1, wherein: the suspension fixing plate (4) is provided with a threaded through hole (401), a second threaded hole (402), a plate (403) and a rectangular groove (40301); the threaded through hole (401) is used for fixing the front suspension fixing plate (4) with a screw rod when being fixed on the shock-resistant motion chassis (1); the second threaded hole (402) is matched with the step screw (5) and is used for installing and fixing the main rocker arm (6) and the lower swing arm (7); the clamping plate (403) is in a cuboid shape, a rectangular groove (40301) is formed in the clamping plate, the rectangular groove (40301) is used for installing sealing strips, and the clamping plate (403) and the shock-resistant motion chassis (1) are integrated into a whole through the rib plate of the upper machine body.
4. The adjustable front suspension system of an impact resistant sport chassis of claim 1, wherein: the step screw (5) is provided with a smooth screw (501) and a threaded screw (502), the smooth screw (501) is connected with the main rocker arm (6) and the lower swing arm (7) through bearings, the threaded screw (502) is fixedly connected with a threaded hole on the installation body, and the fixed connection of the main rocker arm (6) and the lower swing arm (7) is completed.
5. The adjustable front suspension system of an impact resistant sport chassis of claim 1, wherein: the main rocker arm (6) adopts an integrated structure, a second circular through hole (601) is formed in the main rocker arm (6), the second circular through hole (601) is symmetrically arranged at two ends of the main rocker arm (6) and used for enabling step screws (5) to pass through in a matched bearing manner, and accordingly the main rocker arm (6) is fixedly connected with the main pin seat (3) and the front suspension fixing plate (4).
6. The adjustable front suspension system of an impact resistant sport chassis of claim 5, wherein: an oval countersunk through hole (602) is further formed in the main rocker arm (6), and the oval countersunk through hole (602) is located in the middle of the upper end face of the main pin seat (3) and used for enabling the ground clearance adjusting screw (9) to penetrate through and be connected with a threaded hole formed in the bottom of the shock-resistant motion chassis (1);
the circular boss (603) is used for connecting the fixed spring (8) through the matched flange (604) and limiting the freedom degree of the spring (8).
7. The adjustable front suspension system of an impact resistant sport chassis of claim 1, wherein: the lower swing arm adopts an integrated structure, a third circular through hole (701) is formed in the lower swing arm, the third circular through hole (701) is symmetrically arranged at two ends of the lower swing arm (7) and used for enabling a step screw (5) to pass through in a matched bearing, and accordingly the lower swing arm (7) is fixedly connected with the main pin seat (3) and the front suspension fixing plate (4).
8. The adjustable front suspension system of an impact resistant sport chassis of claim 1, wherein: the main rocker arm (6) and the lower rocker arm (7) are respectively fixed with the main pin seat (3) and the front suspension fixing plate (4) through step screws to form a parallelogram structure.
CN202320400091.2U 2023-03-02 2023-03-02 Adjustable front suspension system of shock-resistant motion chassis Active CN219969338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320400091.2U CN219969338U (en) 2023-03-02 2023-03-02 Adjustable front suspension system of shock-resistant motion chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320400091.2U CN219969338U (en) 2023-03-02 2023-03-02 Adjustable front suspension system of shock-resistant motion chassis

Publications (1)

Publication Number Publication Date
CN219969338U true CN219969338U (en) 2023-11-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320400091.2U Active CN219969338U (en) 2023-03-02 2023-03-02 Adjustable front suspension system of shock-resistant motion chassis

Country Status (1)

Country Link
CN (1) CN219969338U (en)

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