Automobile swing arm convenient to assemble

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile swing arm convenient to assemble, which comprises an automobile swing arm body, a first connecting arm and a second connecting arm are arranged on the automobile swing arm body, and bushes are arranged on the first connecting arm and the second connecting arm. The first connecting arm and the second connecting arm are each provided with an installation base for press fitting of the lining, an installation hole is formed in each installation base in a penetrating mode, a plurality of elastic clamping jaws are evenly arranged on each installation hole in the circumferential direction of the inner wall of the installation hole, an annular groove is formed in the outer wall of the lining, and the elastic clamping jaws can be clamped into the annular grooves. The automobile swing arm convenient to assemble has the beneficial effect that the automobile swing arm convenient to assemble can meet the requirement of press fitting without special equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and specifically relates to a car swing arm convenient to assemble. BACKGROUND

[0002] The car swing arm is a key component in the suspension system of a car, which connects the car body and the wheel assembly, supports and fixes the wheel, and also bears the functions of shock absorption and steering control. The car swing arm is usually made of metal material and has certain strength and rigidity. The design and adjustment of the car swing arm have important influence on the performance and maneuverability of the suspension system. In order to avoid the vibration and impact from the road surface and ensure the steering stability, it is particularly necessary to install a bushing at the connection between the swing arm and the car body.

[0003] However, when the existing car swing arm and the bushing are assembled, a hydraulic machine is usually used to press the bushing into the bushing mounting hole of the car swing arm, so that special equipment is needed for installation and replacement of the bushing. When there is no hydraulic machine nearby, the bushing cannot be installed, and the rapid repair requirement cannot be met. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a car swing arm convenient to assemble which can be press-fitted without special equipment in view of the deficiencies of the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a car swing arm convenient to assemble, which comprises a car swing arm body, a first connecting arm and a second connecting arm are arranged on the car swing arm body, a bushing is arranged on the first connecting arm and the second connecting arm, characterized in that: a mounting seat for press-fitting the bushing is arranged on the first connecting arm and the second connecting arm, a mounting hole is arranged through the mounting seat, a plurality of elastic clamping jaws are uniformly arranged on the inner wall of the mounting hole in the circumferential direction, an annular groove is arranged on the outer wall of the bushing, and the elastic clamping jaws can be clamped into the annular groove.

[0006] Compared with the prior art in which a hydraulic machine is needed to press the bushing onto the car swing arm, the utility model is provided with the elastic clamping jaws arranged on the inner wall of the mounting hole and the annular groove for clamping the elastic clamping jaws on the outer wall of the bushing. During assembly, the bushing is pushed into the mounting hole in the axial direction, one side of the annular groove contacts the elastic clamping jaw, and the elastic clamping jaw is forced to elastically deform in the radial direction. When the bushing reaches the clamping jaw position, the elastic clamping jaw protrudes into the groove, and the assembly is completed.

[0007] The utility model further provides that: one end of the elastic clamping jaw away from the inner wall of the mounting hole is provided with a trapezoidal protrusion, and the annular groove is provided with chamfers capable of guiding the trapezoidal protrusion to slide in.

[0008] The above technical scheme has the advantages that: the elastic clamping jaw is conveniently introduced into the annular groove through the chamfer and the trapezoidal protrusion, the assembly and clamping effect is ensured, and the staff can conveniently assemble.

[0009] The utility model further provides: the mounting seat outer wall corresponds each elastic clamping jaw and is equipped with the dismounting hole, the dismounting hole axis is aligned with the abutting surface of elastic clamping jaw, annular groove, and the hole diameter of dismounting hole gradually becomes smaller from the opening end to the end close to elastic clamping jaw, the dismounting hole can be inserted with the dismounting tool to pry elastic clamping jaw, be equipped with with the hole of giving place on elastic clamping jaw.

[0010] The above technical scheme has the advantages that: the elastic clamping jaw is conveniently introduced into the annular groove through the chamfer and the trapezoidal protrusion, the assembly and clamping effect is ensured, and the staff can conveniently assemble.

[0011] The utility model further provides: the dismounting hole is equipped with " X " rubber valve membrane at the opening end.

[0012] The above technical scheme has the advantages that: the elastic clamping jaw is conveniently introduced into the annular groove through the chamfer and the trapezoidal protrusion, the assembly and clamping effect is ensured, and the staff can conveniently assemble.

[0013] The utility model further provides: the elastic clamping jaw is evenly equipped with four along the mounting hole inner wall.

[0014] The above technical scheme has the advantages that: the elastic clamping jaw is conveniently introduced into the annular groove through the chamfer and the trapezoidal protrusion, the assembly and clamping effect is ensured, and the staff can conveniently assemble.

[0015] The utility model further provides: the mounting hole inner wall is oppositely equipped with two groups of positioning slots, and the bushing outer wall is equipped with the positioning block that can be inserted into the positioning slot.

[0016] The above technical scheme has the advantages that: the elastic clamping jaw is conveniently introduced into the annular groove through the chamfer and the trapezoidal protrusion, the assembly and clamping effect is ensured, and the staff can conveniently assemble.

[0017] The utility model further provides: the third connecting arm is further equipped on the automobile swing arm body, the ball head assembly is installed on the third connecting arm, the mounting groove is formed on the side surface of the third connecting arm and the ball head assembly installation end, the mounting plate is equipped on the ball head assembly, the mounting plate can be inserted into the mounting groove, the rivet hole is formed on the mounting plate and the third connecting arm at the mounting groove, and the rivet is riveted between the rivet holes.

[0018] The technical scheme is as follows: the mounting plate and the mounting groove are arranged, so that the staff can conveniently install the ball head assembly on the third connecting arm.

[0019] The further setting of the utility model is that the automobile swing arm body is hollowed out with a plurality of lightening holes.

[0020] The technical scheme is as follows: the lightening hole is arranged, so that the lightweight design of the automobile swing arm is realized.

[0021] The utility model will be further explained in detail in combination with the drawings and embodiments. DRAWINGS

[0022] Figure 1 It is the utility model explosion map.

[0023] Figure 2 It is the utility model Figure 1 The enlarged view of A in the middle.

[0024] Figure 3 It is the utility model mounting seat sectional view.

[0025] Figure 4 It is the utility model Figure 3 The enlarged view of B in the middle.

[0026] Figure 5 It is the utility model bush main view.

[0027] Figure 6 It is the utility model third connecting arm and ball head assembly explosion map.

[0028] Label explanation: automobile swing arm body 1, lightening hole 11, first connecting arm 2, second connecting arm 3, third connecting arm 4, mounting groove 41, riveting hole 42 (711), mounting seat 5, mounting hole 51, elastic clamping jaw 511, give place hole 511a, dismounting hole 52, positioning groove 53, X-shaped rubber valve 521, bush 6, annular groove 61, chamfer 611, positioning block 62, ball head assembly 7, mounting plate 71. DETAILED DESCRIPTION

[0029] The specific embodiment and the disclosed embodiment drawings only relate to the structure related to the disclosed embodiment, other structures can refer to the usual design, and the person skilled in the art can make the modification without the creative contribution to the embodiment after reading the specification, but as long as it is within the scope of the utility model claims, it is protected by the patent law.

[0030] As Figures 1-6As shown in one kind is assembled conveniently automobile swing arm, including automobile swing arm body 1, hollow is equipped with a plurality of weight reduction holes 11 on automobile swing arm body 1, first connecting arm 2 and second connecting arm 3 are equipped on automobile swing arm body 1, bushing 6 is equipped on first connecting arm 2 and second connecting arm 3, mounting seat 5 for bushing 6 press mounting is equipped on first connecting arm 2 and second connecting arm 3, mounting hole 51 is equipped in mounting seat 5, a plurality of elastic clamping jaw 511 is evenly equipped along the inner wall circumferential direction of mounting hole 51, preferably four elastic clamping jaw 511 is evenly equipped along the inner wall circumferential direction of mounting hole 51, annular groove 61 is equipped on the outer wall of bushing 6, elastic clamping jaw 511 can be clamped into annular groove 61, the end of elastic clamping jaw 511 away from the inner wall of mounting hole 51 is equipped with trapezoidal protrusion, chamfer 611 that can guide trapezoidal protrusion to slide in is equipped on both sides of annular groove 61.

[0031] As Figures 2-5 The outer wall of mounting seat 5 is equipped with dismounting hole 52 corresponding to each elastic clamping jaw 511, the axis of dismounting hole 52 is aligned with the abutment surface of elastic clamping jaw 511 and annular groove 61, and the hole diameter of dismounting hole 52 gradually decreases from the opening end to the end close to elastic clamping jaw 511, dismounting hole 52 can be inserted into the dismounting tool to pry elastic clamping jaw 511, elastic clamping jaw 511 is equipped with a relief hole 511a, dismounting hole 52 is equipped with an "X" shaped rubber valve 521 at the opening end, preferably elastic clamping jaw 511 is made of hard rubber material, which has high strength and can deform when the dismounting tool is inserted and forced; two sets of positioning grooves 53 are oppositely provided on the inner wall of mounting hole 51, and the outer wall of bushing 6 is provided with a positioning block 62 that can be inserted into the positioning groove 53.

[0032] As Figure 6 The automobile swing arm body 1 is also provided with a third connecting arm 4, and a ball head assembly 7 is installed on the third connecting arm 4. The third connecting arm 4 and the ball head assembly 7 are provided with installation grooves 41 on the side surface of the installation end. The ball head assembly 7 is provided with an installation plate 71, which can be inserted into the installation groove 41. The installation plate 71 and the third connecting arm 4 are provided with rivet holes 42(711) corresponding to the installation groove 41. A rivet is riveted between the rivet holes 42(711).

[0033] Compared with the prior art that a hydraulic machine is needed to press fit the bushing 6 to the automobile swing arm, the utility model is provided with the elastic clamping jaw 511 arranged on the inner wall of the mounting hole 51 and the annular groove 61 on the outer wall of the bushing 6 for the elastic clamping jaw 511 to be clamped in, in the assembling process, the bushing 6 is pushed into along the axial direction of the mounting hole 51, one side of the annular groove 61 contacts the elastic clamping jaw 511, the elastic clamping jaw 511 is forced to be elastically deformed in the radial direction, when the bushing 6 reaches the clamping jaw position of the annular groove 61, the elastic clamping jaw 511 is elastically popped into the groove, the assembling is completed, meanwhile, the dismounting hole 52 is arranged, when dismounting is needed, only need to insert the dismounting tool (such as a flat screwdriver or a lever), extrude the root of the elastic clamping jaw 511, move outward, make the elastic clamping jaw 511 separate from the annular groove 61 in the radial direction, and the dismounting can be completed.

Claims

1. A swing arm for a vehicle, comprising a swing arm body, a first connecting arm and a second connecting arm provided on the swing arm body, and a bushing provided on the first connecting arm and the second connecting arm, characterized in that: The first connecting arm and the second connecting arm are provided with mounting seats for press-fitting the bushings, the mounting seats are provided with mounting holes penetrating therethrough, the mounting holes are uniformly provided with a plurality of elastic claws along the inner walls thereof in the circumferential direction, the outer wall of the bushing is provided with an annular groove, and the elastic claws can be clamped into the annular groove.

2. A swing arm for a vehicle according to claim 1, wherein: The elastic claws are provided with trapezoidal protrusions at the ends away from the inner walls of the mounting holes, and the annular groove is provided with chamfers at both sides capable of guiding the trapezoidal protrusions to slide in.

3. A vehicle swing arm for facilitating assembly according to claim 2, wherein: The mounting seats are provided with dismounting holes corresponding to each of the elastic claws on the outer walls thereof, the axes of the dismounting holes are aligned with the abutting surfaces of the elastic claws and the annular groove, the diameters of the dismounting holes gradually decrease from the opening ends to the ends close to the elastic claws, the dismounting holes can be inserted by a dismounting tool to pry the elastic claws, and the elastic claws are provided with relief holes.

4. A vehicle swing arm for facilitating assembly according to claim 3, wherein: The dismounting holes at the opening ends are provided with "X"-shaped rubber valves.

5. A vehicle swing arm for facilitating assembly according to claim 4, wherein: The elastic claws are uniformly provided with four along the inner walls of the mounting holes in the circumferential direction.

6. A swing arm for a vehicle according to any one of claims 1 to 5, wherein: The inner walls of the mounting holes are oppositely provided with two groups of positioning grooves, and the outer wall of the bushing is provided with positioning blocks capable of being inserted into the positioning grooves.

7. A swing arm for a vehicle according to any one of claims 1 to 5, wherein: The automobile swing arm body is further provided with a third connecting arm, the third connecting arm is provided with a ball head assembly, the third connecting arm and the side surface of the mounting end of the ball head assembly are provided with mounting grooves, the ball head assembly is provided with a mounting plate, the mounting plate can be inserted into the mounting grooves, and the mounting plate and the third connecting arm are provided with rivet holes corresponding to the positions of the mounting grooves, and the rivet holes are riveted with a rivet.

8. A vehicle swing arm for facilitating assembly according to claim 6, wherein: The automobile swing arm body is hollowly provided with a plurality of weight reduction holes.

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