CN220500423U

CN220500423U - Beach vehicle trailing arm assembly

Info

Publication number: CN220500423U
Application number: CN202322246314.7U
Authority: CN
Inventors: 郑鼎
Original assignee: Yuhuan Zhengshi Machinery Co ltd
Current assignee: Yuhuan Zhengshi Machinery Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-02-20
Anticipated expiration: 2033-08-21

Abstract

The utility model provides a longitudinal arm assembly of a beach vehicle, and belongs to the technical field of vehicle accessories. The beach vehicle longitudinal arm assembly solves the problems that an existing beach vehicle longitudinal arm assembly is poor in structural strength and the like. The beach vehicle longitudinal arm assembly comprises a longitudinal arm body, wherein one end of the longitudinal arm body is connected with a connecting rod, the other end of the longitudinal arm body is a U-shaped connecting port, the longitudinal arm body is gradually and gradually arranged from the end of the connecting rod to the other end of the connecting rod, the longitudinal arm body is provided with a bending section which is close to the side of the connecting port and is curved in an arc shape, the middle part of the longitudinal arm body is fixedly connected with a connecting plate, and the connecting plate is provided with a connecting hole. The utility model has the advantages of high structural strength, good connecting effect, capability of effectively attenuating the excitation vibration transmission energy of the tire, and the like.

Description

Beach vehicle trailing arm assembly

Technical Field

The utility model belongs to the technical field of vehicle accessories, relates to a beach vehicle accessory, and in particular relates to a beach vehicle longitudinal arm assembly.

Background

The beach vehicle longitudinal arm assembly is a connecting piece for connecting the auxiliary frame, and the overall structural strength and rigidity of the longitudinal arm can directly influence the size of the tire excitation vibration transmission capacity.

For example, chinese patent literature discloses a rear trailing arm structure of an automotive rear suspension [ application number: 202022672878.3; authorized bulletin number: CN214295448U ], it includes the back trailing arm body, and the back trailing arm body includes back trailing arm body front portion and back trailing arm body rear portion, and back trailing arm body front portion is provided with preceding connecting hole, and back trailing arm body front portion is connected with the automobile body through preceding connecting hole, and back trailing arm body rear portion is the U font structure, and back trailing arm body rear portion one end sets up back connecting hole one, and back trailing arm body rear portion other end sets up back connecting hole two, and back trailing arm body is connected with the rear axle through back connecting hole one and back connecting hole two.

The rear longitudinal arm structure of the automobile rear suspension can improve the structural strength of the rear part of the rear longitudinal arm through the arrangement of the first rear connecting hole and the second rear connecting hole, but the overall connecting strength is still not ideal, particularly, the middle part of the longitudinal arm is not connected at all, so that the longitudinal force and the lateral force of the whole automobile are not well born by the longitudinal arm, the using effect is influenced, the excitation vibration transmission energy of the tire cannot be effectively attenuated, and the comfort of the automobile is poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide the beach vehicle longitudinal arm assembly which has high structural strength and good connecting effect and can effectively attenuate the energy transmitted by the excitation vibration of the tire.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a beach vehicle trailing arm assembly, includes the trailing arm body, the one end of trailing arm body be connected with the connecting rod, the other end of trailing arm body is the connector that is the U-shaped, its characterized in that, the trailing arm body from this end of connecting rod to its other end gradually increase the footpath setting, the trailing arm body have be close to the connector side setting and be the crooked bending section of arc, the middle part department of trailing arm body link firmly the connecting plate, the connecting plate on be equipped with the connecting hole.

In the beach vehicle longitudinal arm assembly, the connecting plate comprises an upper connecting plate and a lower connecting plate which are welded with one side edge of the longitudinal arm body, the upper connecting plate is located above the lower connecting plate, the connecting holes comprise a connecting hole I, a connecting hole II and a connecting hole III and a connecting hole IV which are formed in the upper connecting plate, the connecting hole I and the connecting hole III are coaxially arranged, and the connecting hole II and the connecting hole IV are coaxially arranged.

In the beach vehicle longitudinal arm assembly, the inner side wall of the upper connecting plate and/or the lower connecting plate is welded with a cylindrical shaft sleeve, and the shaft sleeve and the first connecting hole or the second connecting hole are coaxially arranged.

In the beach vehicle longitudinal arm assembly, the longitudinal arm body is formed by welding an upper plate body and a lower plate body, the inside of the longitudinal arm body is hollow, and a plurality of concave punching holes are formed in the middle of the upper plate body and the middle of the lower plate body.

In the beach vehicle longitudinal arm assembly, one end of the longitudinal arm body is welded with the connecting seat, the connecting seat is provided with the connecting rod, the middle part of the connecting rod is provided with a circle of convex sphere, the sphere is sleeved with an annular sphere sleeve, and the inner wall of the connecting seat is embedded with a hole retainer ring for supporting two ends of the sphere sleeve.

In the beach vehicle longitudinal arm assembly, the upper end of the connecting rod is sleeved with the upper dust cover, the upper end of the connecting rod is provided with the radial outward upward flanging, the lower end of the upper dust cover is coated with the upper framework, the lower end of the upper dust cover is embedded in the step groove formed in the inner wall of the upper end of the ball sleeve, the retainer ring for the hole at the upper end of the ball sleeve is tightly pressed at the lower end of the upper dust cover, the lower end of the connecting rod is sleeved with the lower dust cover, the lower end of the connecting rod is provided with the radial outward flanging, the upper end of the lower dust cover is coated with the lower framework, the upper end of the lower dust cover is embedded in the step groove formed in the inner wall of the lower end of the ball sleeve, and the retainer ring for the hole at the lower end of the ball sleeve is tightly pressed at the upper end of the lower dust cover.

Compared with the prior art, the beach vehicle longitudinal arm assembly has the advantages of high structural strength, good rigidity, good connection effect, good bearing capacity, capability of effectively attenuating the excitation vibration transmission energy of the tire, reduction of vibration noise and good vehicle comfort.

Drawings

FIG. 1 is a side view of the structure of the present beach vehicle trailing arm assembly.

FIG. 2 is a top view of the structure of the present beach vehicle trailing arm assembly.

Fig. 3 is a cross-sectional view of the structure of section A-A in fig. 2.

Fig. 4 is a structural cross-sectional view of section B-B of fig. 2.

FIG. 5 is a cross-sectional view of the structure of the beach vehicle trailing arm assembly at the connecting rod.

In the figure, 1, a trailing arm body; 2. a connecting rod; 3. a connection port; 4. a curved section; 5. an upper connecting plate; 6. a lower connecting plate; 7. a first connecting hole; 8. a second connecting hole; 9. a third connecting hole; 10. a fourth connecting hole; 11. a shaft sleeve; 12. an upper plate body; 13. a lower plate body; 14. punching a hole; 15. a connecting seat; 16. a sphere; 17. a ball sleeve; 18. a retainer ring for holes; 19. an upper dust cover; 20. up-flanging; 21. an upper framework; 22. a lower dust cover; 23. a lower flanging is carried out; 24. and a lower framework.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the beach vehicle longitudinal arm assembly comprises a longitudinal arm body 1, one end of the longitudinal arm body 1 is connected with a connecting rod 2, the other end of the longitudinal arm body 1 is a connecting port 3 which is in a U shape, the longitudinal arm body 1 is gradually arranged from the end of the connecting rod 2 to the other end of the connecting rod, the longitudinal arm body 1 is provided with a bending section 4 which is close to the side of the connecting port 3 and is curved in an arc shape, the middle part of the longitudinal arm body 1 is fixedly connected with a connecting plate, and the connecting plate is provided with a connecting hole.

The longitudinal arm body 1 gradually increases the diameter setting in this beach vehicle longitudinal arm assembly for structural strength is high, and the bending section 4 has the characteristics that arch intensity is big, makes the structural strength of connector 3 side department high, has promoted the overall rigidity of longitudinal arm body 1, can effectively attenuate tire excitation vibration transmission energy, has reduced vibration noise, has promoted vehicle travelling comfort, and connecting plate and connecting hole's setting has increased the junction of longitudinal arm body 1 moreover, and the connection effect is good, makes longitudinal arm body 1 atress even, has promoted whole bearing capacity, reduces the vibration of longitudinal arm body 1, has promoted vehicle travelling comfort.

The connecting plate is including all with upper junction plate 5 and the lower connecting plate 6 of trailing arm body 1 side looks welded, upper junction plate 5 is located lower connecting plate 6 top, and the connecting hole includes connecting hole one 7 that upper junction plate 5 had, connecting hole two 8 and connecting hole three 9, connecting hole four 10 that lower junction plate 6 had, and connecting hole one 7 and connecting hole three 9 coaxial setting, connecting hole two 8 and connecting hole four 10 coaxial setting. When the connecting device is used, one bolt passes through the first connecting hole 7 and the third connecting hole 9 to be connected, the other bolt passes through the second connecting hole 8 and the fourth connecting hole 10 to be connected, the connecting strength is high, the upper connecting plate 5 and the lower connecting plate 6 are uniformly stressed, and the bearing capacity is good.

The inner side wall of the upper connecting plate 5 and/or the lower connecting plate 6 is welded with a cylindrical shaft sleeve 11, and the shaft sleeve 11 and the first connecting hole 7 or the second connecting hole 8 are coaxially arranged. The shaft sleeve 11 increases the connection area, enhances the connection stability, and in the embodiment, the inner side wall of the lower connecting plate 6 is welded with the shaft sleeve 11 coaxially arranged with the second connecting hole 8.

The trailing arm body 1 is formed by welding an upper plate body 12 and a lower plate body 13, the inside of the trailing arm body 1 is hollow, the middle parts of the upper plate body 12 and the lower plate body 13 are provided with a plurality of concave punching holes 14, the number and the shape of the punching holes 14 are determined according to practical conditions, and in the embodiment, the middle parts of the upper plate body 12 and the lower plate body 13 are provided with two punching holes 14. The longitudinal arm body 1 is convenient to manufacture, the yield limit of the upper plate body 12 and the lower plate body 13 is improved by the stamping plate, the rigidity is good, and the bearing capacity is improved.

One end of the trailing arm body 1 is welded with a connecting seat 15, a connecting rod 2 is arranged in the connecting seat 15, the middle part of the connecting rod 2 is provided with a circle of convex sphere 16, the sphere 16 is sleeved with a ring-shaped sphere sleeve 17, and the inner wall of the connecting seat 15 is embedded with a hole retainer ring 18 for the two ends of the sphere sleeve 17 to abut against. The ball sleeve 17 reduces the abrasion of the ball 16, prolongs the service life, can facilitate the assembly and disassembly of the connecting rod 2 and the ball sleeve 17 through the arrangement of the retainer ring 18 for holes, is convenient for maintenance and replacement, and can reduce the use cost.

The upper end cover of connecting rod 2 is equipped with the last dust cover 19 and the upper end of connecting rod 2 has the last turn-ups 20 of radial evagination, go up the lower extreme cladding of dust cover 19 and locate in the step groove that ball cover 17 upper end inner wall had, the hole of ball cover 17 upper end department compresses tightly in the lower extreme of last dust cover 19 with retaining ring 18, the lower extreme cover of connecting rod 2 is equipped with down dust cover 22 and the lower extreme of connecting rod 2 has the lower turn-ups 23 of radial evagination, the upper end cladding of lower dust cover 22 has lower skeleton 24 and the upper end of lower dust cover 22 is inlayed and is located in the step groove that ball cover 17 lower extreme inner wall had, the hole of ball cover 17 lower extreme department compresses tightly in the upper end of lower dust cover 22 with retaining ring 18. The upper end of the upper dust cover 19 is blocked by the upper flange 20, the lower end of the upper dust cover 19 is blocked by the hole retainer ring 18, the lower end of the lower dust cover 22 is blocked by the lower flange 23, the upper end of the lower dust cover 22 is blocked by the hole retainer ring 18, the connection stability of the upper dust cover 19 and the lower dust cover 22 is good, the upper dust cover 19 and the lower dust cover 22 cannot fall off in the use process, the tightness of the two ends of the connecting rod 2 is good due to the upper dust cover 19 and the lower dust cover 22, external impurities and water are prevented from entering the sphere 16, and the service life is prolonged.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a beach vehicle trailing arm assembly, includes trailing arm body (1), the one end of trailing arm body (1) be connected with connecting rod (2), the other end of trailing arm body (1) is connector (3) that are the U-shaped, its characterized in that, trailing arm body (1) from this end of connecting rod (2) to its other end gradually increase the footpath setting, trailing arm body (1) have be close to connector (3) side setting and be curved section (4) of arc bending, the middle part department of trailing arm body (1) link firmly the connecting plate, the connecting plate on be equipped with the connecting hole.

2. The beach vehicle trailing arm assembly of claim 1, wherein the connecting plates comprise an upper connecting plate (5) and a lower connecting plate (6) which are both welded with one side edge of the trailing arm body (1), the upper connecting plate (5) is located above the lower connecting plate (6), the connecting holes comprise a connecting hole I (7) formed in the upper connecting plate (5), a connecting hole II (8) and a connecting hole III (9) formed in the lower connecting plate (6), a connecting hole IV (10) formed in the connecting holes II (8) and the connecting hole III (9) are coaxially arranged, and the connecting holes II (8) and the connecting holes IV (10) are coaxially arranged.

3. The beach vehicle trailing arm assembly of claim 2, characterized in that the inner side wall of the upper connecting plate (5) and/or the lower connecting plate (6) is welded with a cylindrical shaft sleeve (11), and the shaft sleeve (11) is coaxially arranged with the first connecting hole (7) or the second connecting hole (8).

4. A beach vehicle trailing arm assembly as claimed in claim 1, 2 or 3, wherein the trailing arm body (1) is formed by welding an upper plate body (12) and a lower plate body (13), the inside of the trailing arm body (1) is hollow, and the middle parts of the upper plate body (12) and the lower plate body (13) are respectively provided with a plurality of concave punching holes (14).

5. The beach vehicle longitudinal arm assembly according to claim 4, characterized in that one end of the longitudinal arm body (1) is welded with a connecting seat (15), a connecting rod (2) is arranged in the connecting seat (15), a circle of convex sphere (16) is arranged in the middle of the connecting rod (2), a ring-shaped ball sleeve (17) is sleeved outside the sphere (16), and a hole retainer ring (18) for supporting two ends of the ball sleeve (17) is embedded in the inner wall of the connecting seat (15).

6. The beach vehicle trailing arm assembly according to claim 5, characterized in that the upper end of the connecting rod (2) is sleeved with an upper dust cover (19) and the upper end of the connecting rod (2) is provided with an upper flanging (20) protruding radially, the lower end of the upper dust cover (19) is coated with an upper framework (21) and the lower end of the upper dust cover (19) is embedded in a step groove formed in the inner wall of the upper end of the ball sleeve (17), a hole at the upper end of the ball sleeve (17) is tightly pressed at the lower end of the upper dust cover (19) by a retainer ring (18), the lower end of the connecting rod (2) is sleeved with a lower dust cover (22) and the lower end of the connecting rod (2) is provided with a lower flanging (23) protruding radially, the upper end of the lower dust cover (22) is coated with a lower framework (24) and the upper end of the lower dust cover (22) is embedded in a step groove formed in the inner wall of the lower end of the ball sleeve (17), and the hole at the lower end of the ball sleeve (17) is tightly pressed at the upper end of the lower dust cover (22) by the retainer ring (18).