CN220594570U

CN220594570U - Lower swing arm assembly for beach vehicle

Info

Publication number: CN220594570U
Application number: CN202322273622.9U
Authority: CN
Inventors: 郑鼎
Original assignee: Yuhuan Zhengshi Machinery Co ltd
Current assignee: Yuhuan Zhengshi Machinery Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-03-15
Anticipated expiration: 2033-08-23

Abstract

The utility model provides a lower swing arm assembly for a beach vehicle, and belongs to the technical field of vehicle accessories. The lower swing arm assembly solves the problems that the structural strength of an existing lower swing arm assembly is poor and the like. The lower swing arm assembly for the beach vehicle comprises a main body, wherein the main body is provided with a first connecting rod and a second connecting rod, the main body is buckled and welded together by a first plate body and a second plate body, the inside of the main body is hollow, the main body is connected with a mounting seat through a plurality of bolts, a ball pin assembly is arranged on the mounting seat, and the end parts of the first connecting rod and the second connecting rod are fixedly connected with a bushing. The utility model has the advantages of high structural strength, low use cost, good buffering effect and the like.

Description

Lower swing arm assembly for beach vehicle

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 lower swing arm assembly for a beach vehicle.

Background

The lower swing arm assembly is an important accessory in a vehicle chassis suspension system, and can actively adjust the wheel positioning during the compression of the suspension through the design of the constraint angle of the connecting motion point, so that the degree of freedom is large, and the vehicle type can be completely matched and adjusted.

For example, chinese patent literature discloses a high strength automobile lower swing arm [ application number: 202222000667.4; authorized bulletin number: CN217574759U ], it includes swing arm main part and steel main part down, and one side of swing arm main part is connected with the connecting axle down, and the locating hole has been seted up at the top of swing arm main part down, and the mounting groove has been seted up to one side of swing arm main part down, and the board groove has been seted up to the bottom of swing arm main part down, and one side fixedly connected with reinforcing assembly of swing arm main part down, the laminating of swing arm main part's surface is provided with corrosion-resistant subassembly down, and the laminating of steel mainboard's lower surface is adhered and has first wearing layer, and the laminating of steel mainboard's upper surface is adhered and is had the second wearing layer.

The high-strength automobile lower swing arm prolongs the service life through the arrangement of the corrosion-resistant component and the reinforcing component, but the lower swing arm main body is of a single-layer steel plate structure, the structural strength is still not ideal, the positioning holes are inconvenient for the installation and arrangement of the ball pin component, and in addition, no buffer piece exists, so that the whole buffering effect is poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides the lower swing arm assembly for the beach vehicle, which has the advantages of high structural strength, convenience in connection and good buffering effect.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a lower swing arm assembly for beach vehicle, includes the main part, the main part have first connecting rod and second connecting rod, its characterized in that, the main part by plate body one with the two-phase lock of plate body and weld together, the inside of main part is the cavity form, the main part have the mount pad through a plurality of bolted connection, the mount pad on be equipped with ball pin subassembly, first connecting rod and the tip of second connecting rod both all have linked firmly the bush.

In the lower swing arm assembly for the beach vehicle, the first plate body and the second plate body are respectively provided with the extended connecting rib plates at the bending positions, and the two connecting rib plates are vertically overlapped and welded.

In the lower swing arm assembly for the beach vehicle, the connecting rib plate is provided with a plurality of stamping grooves.

In the lower swing arm assembly for the beach vehicle, the ball pin assembly comprises a ball pin and a ball seat, the ball seat is arranged in the mounting seat in a penetrating mode, the outer wall of the ball seat is provided with a retaining shoulder which is abutted to the top of the mounting seat, the outer wall of the ball seat is embedded with a shaft retaining ring which is abutted to the bottom of the mounting seat, the ball head part of the ball pin is arranged in the ball seat, the ball head part is sleeved with a supporting sleeve, the top of the ball seat is provided with a riveting edge which is riveted inwards, the bottom of the ball seat is riveted with a bottom plate which is supported at the bottom of the supporting sleeve, the outer wall of the top of the ball seat is tightly clamped with a dust cover I which is sealed on the outer wall of a rod part of the ball pin, and the retaining shoulder outer wall is sleeved with a dust cover II which surrounds the dust cover I and the rod part.

In the lower swing arm assembly for the beach vehicle, the lining comprises an outer lining pipe, an inner lining pipe and a rubber layer, the first connecting rod and the second connecting rod are welded with the corresponding outer lining pipe, the inner lining pipe axially penetrates through the outer lining pipe, and the rubber layer is positioned between the outer lining pipe and the inner lining pipe and is used for vulcanizing and fixedly connecting the outer lining pipe and the inner lining pipe.

In the lower swing arm assembly for the beach vehicle, the annular groove is formed in the middle of the rubber layer, the rubber layer is used for being connected with two ends of the inner wall of the lining pipe to form a closed end, the inner wall is provided with a plurality of axially extending oil storage grooves, each oil storage groove is communicated with the annular groove, and the outer lining pipe is fixedly connected with a nozzle tip communicated with the annular groove.

Compared with the prior art, the lower swing arm assembly for the beach vehicle has high structural strength and good bearing capacity, the mounting seat is convenient to assemble and disassemble through the bolts, the ball pin assembly can be replaced together with the mounting seat, the use cost is reduced, and the bushing has a buffer effect on load impact, so that the comfort is improved.

Drawings

Fig. 1 is a front view of a lower swing arm assembly for a beach vehicle.

Fig. 2 is a rear view of the lower swing arm assembly for the beach vehicle.

FIG. 3 is a side view block diagram of the lower swing arm assembly for the beach vehicle.

Fig. 4 is an enlarged view of the structure at circle a in fig. 2.

Fig. 5 is an enlarged view of the structure at circle B in fig. 3.

In the figure, 1, a main body; 2. a first link; 3. a second link; 4. a first plate body; 5. a second plate body; 6. a bolt; 7. a mounting base; 8. a bushing; 81. an outer liner; 82. an inner liner tube; 83. a rubber layer; 831. an annular groove; 832. an oil storage tank; 9. connecting rib plates; 10. stamping the groove; 11. a ball pin; 111. a ball head portion; 112. a stem portion; 12. a ball seat; 13. a shoulder; 14. a retainer ring for the shaft; 15. a support sleeve; 151. an oil storage hole; 16. riveting edges; 17. a bottom plate; 18. a first dust cover; 19. a second dust cover; 20. and a nipple.

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 lower swing arm assembly for the beach vehicle comprises a main body 1, wherein the main body 1 is provided with a first connecting rod 2 and a second connecting rod 3, the main body 1 is buckled and welded together by a first plate body 4 and a second plate body 5, the inside of the main body 1 is hollow, the main body 1 is connected with mounting seats 7 through a plurality of bolts 6, in the embodiment, the number of the bolts 6 is two, and the part of the bolts 6 penetrating out of the main body 1 can be locked by nuts during actual manufacturing; the mounting seat 7 is provided with a ball pin assembly, and the end parts of the first connecting rod 2 and the second connecting rod 3 are fixedly connected with a bushing 8.

The lower swing arm assembly for the beach vehicle is characterized in that the main body 1 is formed by welding the first plate body 4 and the second plate body 5, so that the structure strength is high, and the bearing capacity is good; the mounting seat 7 is convenient to assemble and disassemble, and the ball pin assembly can be replaced together with the mounting seat 7, so that the use cost is reduced; the bushing 8 provides a cushioning effect on load shocks, improving comfort.

Further, the first plate body 4 and the second plate body 5 are respectively provided with an extended connecting rib plate 9 at the bending part, the two connecting rib plates 9 are vertically overlapped and welded, the connecting rib plate 9 increases the structural strength, the rigidity is improved, and the bearing capacity and the load impact resistance of the main body 1 are good. The connecting rib plate 9 is provided with a plurality of stamping grooves 10, the number and the shape of the stamping grooves 10 are determined according to practical situations, in the embodiment, the outer surfaces of the two connecting rib plates 9 are provided with one stamping groove 10, and the stamping grooves 10 enable the yield limit of the connecting rib plate 9 to be high, the rigidity is good, and the bearing capacity is improved.

The ball pin assembly comprises a ball pin 11 and a ball seat 12, the ball seat 12 is arranged in the mounting seat 7 in a penetrating mode, a retaining shoulder 13 abutting against the top of the mounting seat 7 is arranged on the outer wall of the ball seat 12, a shaft retainer ring 14 abutting against the bottom of the mounting seat 7 is embedded in the outer wall of the ball seat 12, a ball head portion 111 of the ball pin 11 is located in the ball seat 12, a supporting sleeve 15 is sleeved outside the ball head portion 111, a riveting edge 16 is arranged at the top of the ball seat 12 in an inwards riveting mode, a bottom plate 17 supporting the bottom of the supporting sleeve 15 is arranged at the bottom of the ball seat 12 in a riveting mode, a dust cover I18 sealing the outer wall of a rod portion 112 of the ball seat 11 is tightly clamped on the outer wall of the top of the ball seat 12, and a dust cover II 19 surrounding the dust cover I18 and the rod portion 112 is sleeved on the outer wall of the retaining shoulder 13. The ball seat 12 and the connecting seat are convenient to assemble and disassemble due to the arrangement of the shaft retainer ring 14; the supporting sleeve 15 prevents the ball head 111 from wearing the inner wall of the ball seat 12, so that the service life is prolonged; the first dust cover 18 and the second dust cover 19 play a double protection role, so that external impurities are prevented from entering the ball head 111, impurity abrasion is avoided, and the service life is prolonged; in this embodiment, the bottom and the top of the first dust cover 18 are both coated with metal frameworks, so that the connection firmness is improved, the sealing effect is ensured, and the protection performance is good. The rod 112 is provided with a circle of annular grooves, and the top of the first dust cover 18 is tightly clamped at the annular grooves, so that the top of the first dust cover 18 cannot be separated from the annular grooves when the ball stud 11 swings, and the tightness is ensured. The bottom center of the supporting sleeve 15 is provided with a through oil storage hole 151, and the oil storage hole 151 is used for storing lubricating grease and has a lubricating effect on the ball head 111, so that abrasion is reduced, and the service life is prolonged.

The bushing 8 comprises an outer bushing tube 81, a lining tube 82 and a rubber layer 83, wherein the first connecting rod 2 and the second connecting rod 3 are welded with the corresponding outer bushing tube 81, the lining tube 82 axially penetrates through the outer bushing tube 81, and the rubber layer 83 is positioned between the outer bushing tube 81 and the lining tube 82 and is used for vulcanizing and fixedly connecting the outer bushing tube 81 and the lining tube 82. The welded outer lining pipe 81 has good connection firmness, the lining pipe 82 is used for the connecting rod to penetrate, the rubber layer 83 plays a role in buffering, and the bearing capacity and the load impact resistance are improved.

The middle part of the rubber layer 83 is provided with an annular groove 831, the rubber layer 83 is used for being connected with the inner wall of the inner lining pipe 82, two ends of the inner wall are closed ends, the inner wall is provided with a plurality of axially extending oil storage grooves 832, each oil storage groove 832 is communicated with the annular groove 831, and the outer lining pipe 81 is fixedly connected with a nozzle tip 20 communicated with the annular groove 831. Lubricating oil is added into the annular groove 831 through the oil nozzle 20, and the lubricating oil is filled in the annular groove 831 and each oil storage groove 832, so that the lubricating oil plays a role in buffering, and the buffering performance and the load impact resistance of the rubber layer 83 are enhanced.

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 lower swing arm assembly for beach vehicle, includes main part (1), main part (1) have first connecting rod (2) and second connecting rod (3), its characterized in that, main part (1) by plate body one (4) and plate body two (5) looks lock and weld together, the inside of main part (1) is the cavity form, main part (1) be connected with mount pad (7) through a plurality of bolt (6), mount pad (7) on be equipped with ball pin assembly, the tip of first connecting rod (2) and second connecting rod (3) both all have linked firmly bush (8).

2. The lower swing arm assembly for beach vehicles according to claim 1, wherein the first plate body (4) and the second plate body (5) are provided with extended connecting rib plates (9) at respective bending positions, and the two connecting rib plates (9) are stacked up and down and welded.

3. A lower swing arm assembly for a beach vehicle according to claim 2, in which the connecting rib plate (9) has a number of punched grooves (10).

4. The lower swing arm assembly for a beach vehicle according to claim 1, 2 or 3, characterized in that the ball pin assembly comprises a ball pin (11) and a ball seat (12), the ball seat (12) is arranged in the installation seat (7) in a penetrating way, a retaining shoulder (13) which is abutted against the top of the installation seat (7) is arranged on the outer wall of the ball seat (12), a shaft check ring (14) which is abutted against the bottom of the installation seat (7) is embedded on the outer wall of the ball seat (12), a ball head part (111) of the ball pin (11) is arranged in the ball seat (12), a supporting sleeve (15) is sleeved outside the ball head part (111), a riveting edge (16) which is riveted inwards is arranged on the top of the ball seat (12), a bottom plate (17) which is supported on the bottom of the supporting sleeve (15) is riveted on the bottom of the ball seat (12), a dust cover I (18) which is sealed on the outer wall of a rod part (112) arranged on the ball seat (11) is tightly clamped on the outer wall of the ball seat (12), and a dust cover II (19) which is surrounded by the rod part (112) is sleeved on the outer wall of the retaining shoulder (13).

5. A lower swing arm assembly for a beach vehicle according to claim 1, 2 or 3, in which the bush (8) comprises an outer bush (81), an inner bush (82) and a rubber layer (83), the first connecting rod (2), the second connecting rod (3) are welded with the corresponding outer bush (81), the inner bush (82) is axially inserted into the outer bush (81), and the rubber layer (83) is located between the outer bush (81) and the inner bush (82) and is used for vulcanizing and fixing the two together.

6. The lower swing arm assembly for a beach vehicle according to claim 5, wherein the middle part of the rubber layer (83) is provided with an annular groove (831), the rubber layer (83) is used for connecting the two ends of the inner wall of the inner liner tube (82) to form a closed end, the inner wall is provided with a plurality of axially extending oil storage grooves (832), each oil storage groove (832) is communicated with the annular groove (831), and the outer liner tube (81) is fixedly connected with a nozzle (20) communicated with the annular groove (831).