CN218558485U

CN218558485U - Automobile lower swing arm assembly

Info

Publication number: CN218558485U
Application number: CN202222926294.3U
Authority: CN
Inventors: 芦季魁; 吉耀星; 孙浩
Original assignee: Shenyang Xinbaoneng Technology Co ltd
Current assignee: Shenyang Xinbaoneng Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-03
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a swing arm assembly under car relates to automobile steering mechanism spare part technical field, including swing arm main part down, swing arm main part's one end is seted up and is slided the shaft hole that matches with automobile suspension axle spare, and swing arm main part's inside is down centers on the shaft hole etc. and has seted up first spacing groove, the inside of first spacing groove slides and is provided with the slide, on the basis of swing arm under current car, has remain original form, has mainly optimized the connected mode between shaft hole and the axis body, utilizes the lantern ring to carry out the location support to three first spouts of group and three gag lever posts of group, utilizes the slide to carry out fixed connection with gag lever post and spacing cover simultaneously, when connecting the axis body, three group's balls can laminate with the outer wall of axis body, and three group's balls can carry out arbitrary rotation and can contract and reset to reduce the friction between axis body and the shaft hole inner wall, and then played the effect of protection to swing arm and automobile suspension mechanism.

Description

Automobile lower swing arm assembly

Technical Field

The utility model relates to a steering mechanism spare part technical field specifically is a swing arm assembly under car.

Background

The principle of the automobile lower swing arm, namely the lower support arm, is that the automobile lower swing arm is an important component of an automobile chassis suspension system, the wheel positioning can be actively adjusted when the automobile lower swing arm is suspended and compressed through the design of the constraint angle of a connecting motion point, and the design freedom degree is very high, so that the automobile lower swing arm can be completely matched and adjusted according to the automobile type. Therefore, the multi-link suspension can exert the tire grip force to the maximum extent so as to improve the control limit of the whole vehicle, the lower swing arm of the vehicle has the appearance difference according to different vehicle types and different suspension mechanisms, but the overall achieved effect is the same, the vehicle body and the vehicle are mainly connected together in an elastic way, when the vehicle runs, the axle and the vehicle frame are connected in an elastic way through the lower support arm, so that the impact (force) caused by the road surface in the running process of the vehicle is relieved, and the riding comfort is ensured.

Generally speaking, the tip of swing arm under the car all need be connected with car suspension mechanism, play the important effect of holding in car a steering system and suspension system, and the tip of swing arm is generally seted up and is suspended the axle hole of axle body sliding fit, generally directly establish the axle hole cover on the car suspension axis body, in the car jolt driving process that goes, can rub repeatedly between axis body and the axle hole, though the swing arm is wear-resistant material generally down, but still can produce wearing and tearing to the axle body under jolting of the huge gravity of car, and when the car jolts, the tire can directly transmit the jolt effect for swing arm down through the axis body, swing arm not only need bear great impact action down, and there is not buffer distance between axis body and the swing arm down, swing arm can directly feed back the impact action to the automobile body down.

In order to solve the problems, innovative design is urgently needed on the basis of the original automobile lower swing arm assembly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides showing and is different from prior art's solution, specifically the utility model aims at providing a swing arm assembly under car to solve above-mentioned background and propose jolting the in-process of going at the car and going, can rub repeatedly between axis body and the shaft hole, though the swing arm generally is stand wear and tear material down, but still can produce the problem of wearing and tearing to the axis body under jolting of the huge gravity of car.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a swing arm assembly under car, includes swing arm main part down, the shaft hole that matches with car suspension axle spare looks slip is seted up to the one end of swing arm main part down, and the inside of swing arm main part down centers on the shaft hole equiangular and has seted up first spacing groove, the inside slip of first spacing groove is provided with the slide, and the one end fixedly connected with of slide links up the subassembly to the other end of slide articulates there is the gag lever post, the outer wall of swing arm main part down centers on the shaft hole equiangular and has seted up the second spacing groove, and the tip of gag lever post runs through the second spacing groove and install in the outside of swing arm main part down, the tip laminating of swing arm main part down is provided with the lantern ring, and the inside of lantern ring has seted up first spout to the tip of gag lever post slides and sets up in the inside of first spout, be provided with spacing direction subassembly between lantern ring and the swing arm main part down.

Preferably, it includes stop collar, ball and spring to link up the subassembly, and the one end of slide is fixed with the stop collar, the inside block of stop collar has the ball, and the tip of ball runs through the inside that first spacing groove is located the shaft hole, the outer wall winding of slide has the spring, and the one end of spring welds in the inner wall of first spacing groove to the other end of spring is fixed in the outer wall of stop collar.

Preferably, the ball is connected with the stop collar for the rotation of snap-on, and the ball distributes three groups in the inside of shaft hole equidistance.

Preferably, the limiting rod and the second limiting groove are in sliding connection suitable for clamping, three groups of limiting rods, the first sliding groove and the second limiting groove are arranged around the shaft hole at equal angles, and the first sliding groove is in an eccentric arc design.

Preferably, the limiting guide assembly comprises a second sliding groove, a guide rod and a blocking piece, the second sliding groove is formed in the lantern ring, one end of the guide rod is arranged in the second sliding groove in a sliding mode, the other end of the guide rod is fixed on the outer surface of the lower swing arm main body, and the blocking piece is fixed to the end portion of the guide rod.

Preferably, four groups of baffle plates are distributed at the end part of the sleeve ring at equal angles to limit the sleeve ring, and three groups of guide rods are distributed in the sleeve ring at equal angles.

Compared with the prior art, the beneficial effects of the utility model are that:

on the basis of swing arm under current car, original form has been remain, the connected mode between shaft hole and the axis body has mainly been optimized, utilize the lantern ring to carry out the location support to three first spouts of group and three gag lever posts of group, utilize the slide to carry out fixed connection with gag lever post and gag lever post simultaneously, when connecting the axis body, three group's balls can laminate with the outer wall of axis body, and three group's balls can rotate wantonly and can contract and reset, thereby the friction between axis body and the shaft hole inner wall has been reduced, and then played the effect of protection to lower swing arm and automotive suspension mechanism.

Drawings

FIG. 1 is a schematic view of the front view mounting structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic view of the present invention, partially cut and enlarged in fig. 2;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the sectional structure of the connection between the stop collar and the ball of the present invention.

In the figure: 1. a lower swing arm main body; 2. a shaft hole; 3. a first limit groove; 4. a slide plate; 5. a limiting sleeve; 6. a ball bearing; 7. a spring; 8. a limiting rod; 9. a second limit groove; 10. a collar; 11. a first chute; 12. a second chute; 13. a guide bar; 14. a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a swing arm assembly under car, including swing arm main part 1 down, the one end of swing arm main part 1 is seted up and is slided the shaft hole 2 that matches with car suspension axle spare, and swing arm main part 1's inside is encircleed shaft hole 2 isogonism and is seted up first spacing groove 3, the inside of first spacing groove 3 slides and is provided with slide 4, and slide 4's one end fixedly connected with links up the subassembly, and slide 4's the other end articulates there is gag lever post 8, swing arm main part 1's outer wall is encircleed shaft hole 2 isogonism and has seted up second spacing groove 9, and the tip of gag lever post 8 runs through second spacing groove 9 and installs in swing arm main part 1's the outside down, the tip laminating of swing arm main part 1 is provided with lantern ring 10 down, and first spout 11 has been seted up to the inside of lantern ring 10, and the tip of gag lever post 8 slides and sets up in the inside of first spout 11, be provided with spacing direction subassembly between lantern ring 10 and swing arm main part 1 down.

Linking up the subassembly and including stop collar 5, ball 6 and spring 7, and the one end of slide 4 is fixed with stop collar 5, the inside block of stop collar 5 has ball 6, and the tip of ball 6 runs through the inside that first spacing groove 3 is located shaft hole 2, the outer wall winding of slide 4 has spring 7, and the one end of spring 7 welds in the inner wall of first spacing groove 3, and the other end of spring 7 is fixed in the outer wall of stop collar 5, link up the subassembly and pass through slide 4 and gag lever post 8 interconnect, and slide 4 can be with the stable transmission of spring 7's elastic action to linking up on subassembly and the gag lever post 8.

Ball 6 is connected for the rotation of snap-on with stop collar 5, and ball 6 has three groups in the inside angular distribution such as shaft hole 2, has guaranteed that ball 6 can be in the inside free rotation of stop collar 5, and stop collar 5 can play the spacing effect of anti-drop simultaneously to ball 6.

Gag lever post 8 and second spacing groove 9 are the sliding connection that the block was fit, and gag lever post 8, first spout 11 and second spacing groove 9 all surround shaft hole 2 wait the angle and are provided with three groups, and first spout 11 is the arc design of eccentric formula, when the first spout 11 of arc of eccentric formula is rotatory along with lantern ring 10, first spout 11 can produce inward push-and-pull effect to gag lever post 8 in step, thereby make gag lever post 8 slide along second spacing groove 9 is stretched out and drawn back.

Spacing direction subassembly includes second spout 12, guide bar 13 and separation blade 14, and second spout 12 has been seted up to the inside of lantern ring 10, the inside of second spout 12 slides and is provided with the one end of guide bar 13, and the other end of guide bar 13 is fixed in the surface of swing arm main part 1 down, and the end fixing of guide bar 13 has separation blade 14, this spacing direction subassembly's setting, utilize guide bar 13 and the sliding fit effect before the second spout 12 to realize the spacing to lantern ring 10, make lantern ring 10 only can rotate in certain extent.

Four groups of baffle sheets 14 are distributed at equal angles at the end part and are used for limiting the lantern ring 10, three groups of guide rods 13 are distributed at equal angles in the lantern ring 10, and the four groups of baffle sheets 14 are used for limiting the lantern ring 10 for the second time, so that the lantern ring 10 is more stable in rotation.

The working principle is as follows: when the automobile lower swing arm assembly is used, if the upper swing arm main body 1 and the lower swing arm main body 1 need to be installed, as shown in fig. 3, the lantern ring 10 rotates clockwise stably along the outer walls of the three guide rods 13 through the three second sliding grooves 12 and drives the three first sliding grooves 11 to rotate clockwise synchronously, because the first sliding grooves 11 are arranged in an eccentric arc shape, when the lantern ring 10 rotates clockwise, the three first sliding grooves 11 can synchronously push the three limiting rods 8 outwards, as shown in fig. 1, the three limiting rods 8 synchronously slide outwards along the three second limiting grooves 9, meanwhile, as shown in fig. 2 and fig. 3, the three limiting rods 8 can synchronously drive the three sliding plates 4 and the three limiting sleeves 5 to retract towards the insides of the three first limiting grooves 3 and synchronously compress the three springs 7, so that the three balls 6 gradually retract into the insides of the first limiting grooves 3, as described above, the three balls 6 manually retract step, the shaft body can also be inserted into the inside of the shaft body 2 in the normal installation process, and the shaft body can be automatically retracted according to the extrusion of the three balls 6 in the above step.

Can install on the axis body smoothly with lower swing arm main part 1 as above-mentioned, the hypothesis is when comparatively jolting on the way at the car goes, the friction between axis body outer wall and the shaft hole 2 can increase, when impact takes place, like the ball 6 of the corresponding side of axle body realization extrusion, in extrusion ball 6, axis body and ball 6 all can carry out the rotation of adaptability, utilize the compression of spring 7 can reduce the extrusion friction between axis body outer wall and shaft hole 2 and the inner wall, play fine guard action to car steering mechanism spare part, the buffering formula of utilizing the axis body and the piece in shaft hole 2 simultaneously is connected and can be weakened the vibrations of automobile body to a certain extent when jolting and taking place.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a swing arm assembly under car, includes swing arm main part (1) down, its characterized in that: the automobile swing arm comprises a lower swing arm main body (1), and is characterized in that a shaft hole (2) matched with an automobile suspension shaft in a sliding mode is formed in one end of the lower swing arm main body (1), a first limiting groove (3) is formed in the lower swing arm main body (1) in an equiangular mode around the shaft hole (2), a sliding plate (4) is arranged in the first limiting groove (3) in a sliding mode, a connecting assembly is fixedly connected to one end of the sliding plate (4), a limiting rod (8) is hinged to the other end of the sliding plate (4), a second limiting groove (9) is formed in the outer wall of the lower swing arm main body (1) in an equiangular mode around the shaft hole (2), the end portion of the limiting rod (8) penetrates through the second limiting groove (9) to be installed in the outer side of the lower swing arm main body (1), a lantern ring (10) is arranged in the end portion of the lower swing arm main body (1), a first sliding groove (11) is formed in the inner portion of the lantern ring (10), and the end portion of the limiting rod (8) is arranged in the first sliding mode in the first sliding groove (11), and a limiting guide assembly is arranged between the lantern ring (10) and the lower swing arm main body (1).

2. The vehicle lower swing arm assembly according to claim 1, wherein: the link up subassembly includes stop collar (5), ball (6) and spring (7), and the one end of slide (4) is fixed with stop collar (5), the inside block of stop collar (5) has ball (6), and the tip of ball (6) runs through the inside that first spacing groove (3) are located shaft hole (2), the outer wall winding of slide (4) has spring (7), and the one end of spring (7) welds in the inner wall of first spacing groove (3) to the other end of spring (7) is fixed in the outer wall of stop collar (5).

3. The vehicle lower swing arm assembly according to claim 2, wherein: the ball (6) and the limiting sleeve (5) are connected in a clamping manner in a rotating manner, and three groups of balls (6) are distributed in the shaft hole (2) at equal angles.

4. The vehicle lower swing arm assembly as defined in claim 1, wherein: the limiting rod (8) and the second limiting groove (9) are connected in a sliding mode and are suitable for clamping, three sets of limiting rods (8), the first sliding grooves (11) and the second limiting groove (9) are arranged around the shaft hole (2) at equal angles, and the first sliding grooves (11) are in eccentric arc-shaped design.

5. The vehicle lower swing arm assembly as defined in claim 1, wherein: the limiting guide assembly comprises a second sliding groove (12), a guide rod (13) and a blocking piece (14), the second sliding groove (12) is formed in the lantern ring (10), one end of the guide rod (13) is arranged in the second sliding groove (12) in a sliding mode, the other end of the guide rod (13) is fixed to the outer surface of the lower swing arm main body (1), and the blocking piece (14) is fixed to the end portion of the guide rod (13).

6. The vehicle lower swing arm assembly according to claim 5, wherein: four groups of baffle plates (14) are distributed at the end part at equal angles and used for limiting the lantern ring (10), and three groups of guide rods (13) are distributed at equal angles in the lantern ring (10).