CN221250454U

CN221250454U - High-strength high-toughness suspension control arm

Info

Publication number: CN221250454U
Application number: CN202323140398.2U
Authority: CN
Inventors: 陈守明; 陈守福; 陈小海
Original assignee: Zhejiang Lifude Machinery Co ltd
Current assignee: Zhejiang Lifude Machinery Co ltd
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-07-02
Anticipated expiration: 2033-11-21

Abstract

The utility model provides a high-strength high-toughness suspension control arm, which belongs to the field of suspension control and comprises a control arm assembly and a ball head assembly. The control arm body comprises a front plate and a rear plate which are mutually matched in shape, a folded edge which is bent towards the same direction is arranged at the joint of the front plate and the rear plate, and the folded edge is welded. The control arm body one end is equipped with back bush support, is equipped with fan-shaped mounting groove on the back bush support, and fan-shaped mounting groove internal fixation has back rubber bush assembly, be equipped with the skeleton in the back rubber bush. The ball head assembly comprises a ball shell, a blocking cover, a disc spring, a ball seat and a ball head pin are sequentially arranged in the ball shell from bottom to top, a dust cover and a protective cover are sequentially sleeved on the outer side of a rod portion of the ball head pin, and a step for preventing the dust cover from sliding off is arranged on the rod portion of the ball head pin. The utility model improves the structural firmness, thereby improving the use safety.

Description

High-strength high-toughness suspension control arm

Technical Field

The utility model relates to the field of suspension control, in particular to a high-strength high-toughness suspension control arm.

Background

The automobile suspension is used as an important part of an automobile chassis, the design of the suspension not only affects the drivability of the automobile, but also relates to the driving safety of the automobile, the suspension control arm bears larger load when the automobile passes through an obstacle, bending failure possibly occurs due to insufficient strength design, meanwhile, the control arm needs to be designed in a light weight way due to the requirements of environmental protection and economy,

Based on this, this kind of product can really reach the lightweight design in the production process, alleviate the load, the purpose of environmental protection economy, but can reduce self intensity when reaching above-mentioned purpose to there is certain safety in utilization, based on this, it is necessary to provide a control arm that can also strengthen safety in utilization when reaching above-mentioned requirement, in addition, current control arm can influence self functionality when carrying out environmental protection economy design, thereby lead to control arm to have the use limitation, based on this, it is necessary to provide a control arm that can improve the functionality, thereby strengthen the commonality.

Disclosure of utility model

The embodiment of the utility model provides a high-strength high-toughness suspension control arm, which aims to solve the problems that the existing control arm is weak in strength and has use safety risk and the functionality of the control arm is reduced.

The embodiment of the utility model provides a high-strength high-toughness suspension control arm, which comprises a control arm assembly and a ball head assembly, wherein the control arm assembly comprises a ball head assembly and a ball head assembly;

The control arm assembly comprises a control arm body, wherein the control arm body consists of a front plate and a rear plate which are mutually matched in shape, one end of the control arm body is provided with a rear bushing bracket, a fan-shaped mounting groove is formed in the rear bushing bracket, a rear rubber bushing assembly is fixed in the fan-shaped mounting groove, the radian of the fan-shaped mounting groove is matched with that of the outer wall of the rear rubber bushing assembly, the rear rubber bushing assembly comprises a bushing outer tube and a rear rubber bushing arranged in the bushing outer tube, a framework is arranged in the rear rubber bushing, a reinforcing plate is clamped in the front plate, the other end of the front plate is connected with a middle rubber bushing, a folded edge bent towards the same direction is arranged at the joint of the front plate and the rear plate, and the folded edge is in welded connection;

The ball head assembly comprises a protective cover, a ball head pin is inserted into the protective cover, a dust cover is sleeved on the side surface of the ball head pin inside the protective cover, two round clamping rings are connected to the inner side of the dust cover in a clamping mode, a flat clamping ring is connected to the lower end of the dust cover, a ball seat is connected to the lower end of the ball head pin in a clamping mode, ball shells are connected to the two sides of the protective cover, a disc spring is connected to the lower end of the ball seat, a blanking cover is arranged at the bottom of the ball shell, a nozzle is inserted into the blanking cover, and a step capable of effectively limiting the sinking of the dust cover during installation is added to the rod portion of the ball head pin.

In the scheme, the utility model can meet the technical requirements that: the ball head assembly is clean and attractive in appearance, free of stains, oil marks and collision injuries in the process, free of obvious foreign matters and free of harmful defects such as splitting, damage and flash before being assembled, meanwhile, related parameters of the ball head assembly after being assembled into the control arm assembly meet the requirements of the ball head assembly, 3-4 g of molybdenum disulfide lithium-based grease or grease equivalent to the 3-4 g of molybdenum disulfide lithium-based grease is needed to be injected into the neck of a ball head pin before a dust cover is assembled, wherein the pressing and releasing force of a middle rubber bushing, a rear bushing bracket and the ball head assembly is 10KN, and the direction and the angle are needed to be paid attention to when the rubber bushing and the rear bushing bracket are pressed and assembled in the process.

In one embodiment of the utility model, the front plate and the rear plate are internally connected with a plurality of hexagon bolts in a threaded manner, and one ends of the hexagon bolts are connected with hexagon nuts in a threaded manner.

In one embodiment of the present utility model, the upper end surface of the front plate is mounted with a locking ring.

In one embodiment of the present utility model, the front plate and the rear plate are both made of aluminum alloy.

In one embodiment of the utility model, the oil nozzle and the blanking cover are both made of rubber materials.

In one embodiment of the utility model, the protective cover and the dust cover are both made of plastic, and the framework is made of transparent plastic.

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

1) The front plate and the rear plate which are made of aluminum alloy can meet the design requirement of light weight of the whole control arm, meanwhile, the cost can be controlled, the self strength can be enhanced, the load is improved, the dust cover and the protective cover which are positioned in the front plate and the rear plate can achieve the aim of reducing the cost without considering the self strength, and the integral structural strength of the control arm can be further enhanced by matching the locking ring, the hexagonal bolt and the hexagonal nut, so that the use safety can be improved.

2) The utility model adopts an aluminum alloy bidirectional synchronous flanging technology to improve structural firmness, prevents a connecting part from loosening and can effectively prevent deformation, and simultaneously adopts a fan-shaped profile to mount a rear bushing bracket, thereby being beneficial to the fixed mounting of an oil way, and nylon 1010 frameworks are added in a rear rubber bushing to improve the axial and radial rigidity of the bushing bracket, so as to achieve the aim of relieving vibration and impact transmitted from a road surface, isolating high-frequency fixed vibration without changing the vibration isolation effect of a low frequency band, reducing in-vehicle noise caused by road surface unevenness, increasing steps on the rod part of a ball head pin, effectively limiting the subsidence of a dust cover in the mounting process and the supporting effect in the using process, preventing magazines such as muddy water from entering a cavity and causing early failure of the ball head.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front plate structure of a high strength and high toughness suspension control arm according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a rear plate structure of a high strength and high toughness suspension control arm according to an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a ball assembly of a high-strength and high-toughness suspension control arm according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a hexagonal bolt and nut of a high-strength and high-toughness suspension control arm according to an embodiment of the present utility model.

FIG. 5 is a schematic cross-sectional view of the rear bushing assembly of the present utility model.

Icon: 100. a control arm assembly; 101. a front plate; 102. a rear bushing bracket; 103. a reinforcing plate; 104. a middle rubber bushing; 105. a rear plate; 200. a ball head assembly; 201. a nipple; 202. a blanking cover; 203. a belleville spring; 204. a ball seat; 205. a spherical shell; 206. a flat collar; 207. a dust cover; 208. a round collar; 209. a ball pin; 210. a protective cover; 211. a hexagonal nut; 212. a hexagonal bolt; 213. a step; 221. a locking ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, a high strength, high toughness suspension control arm includes a control arm assembly 100 and a ball head assembly 200;

The control arm assembly 100 comprises a control arm body, wherein the control arm body consists of a front plate 101 and a rear plate 105 which are matched in shape, one end of the control arm body is provided with a rear bushing bracket 102, a fan-shaped mounting groove is formed in the rear bushing bracket 102, a rear rubber bushing assembly is fixed in the fan-shaped mounting groove, the radian of the fan-shaped mounting groove is matched with that of the outer wall of the rear rubber bushing assembly, the rear rubber bushing assembly comprises a bushing outer tube and a rear rubber bushing arranged in the bushing outer tube, a framework is arranged in the rear rubber bushing, a reinforcing plate 103 is clamped in the front plate 101, the other end of the front plate 101 is connected with a middle rubber bushing 104, a joint of the front plate 101 and the rear plate 105 is provided with a folded edge which is bent towards the same direction, and the folded edge is in welded connection, and the front plate 101 and the rear plate 105 are of symmetrical structure and are in threaded connection through a hexagonal bolt 212 and a hexagonal nut 211;

the ball head assembly 200 comprises a protective cover 210, the ball head assembly 200 comprises the protective cover 210, a ball head pin 209 is inserted into the protective cover 210, a dust cover 207 is sleeved on the side surface of the ball head pin 209 inside the protective cover 210, two round clamping rings 208 are clamped inside the dust cover 207, the lower end of the dust cover 207 is connected with a flat clamping ring 206, the lower end of the ball head pin 209 is clamped with a ball seat 204, two sides of the protective cover 210 are connected with a ball shell 205, the lower end of the ball seat 204 is connected with a disc spring 203, a blanking cover 202 is arranged at the bottom of the ball shell 205, a nozzle 201 is inserted into the blanking cover 202, and a step 213 capable of effectively limiting the sinking of the dust cover 207 during installation is added on the rod portion of the ball head pin 209.

Referring to fig. 1, 2 and 3, the control arm assembly 100 is configured to be matched with the ball head assembly 200, so that the purposes of environmental protection, economy and weight reduction can be achieved, the overall strength of the control arm can be enhanced, the use safety can be improved, the functionality of the control arm can be enhanced through the mutual matching of the structures, the universality of the control arm can be improved, the front plate 101 and the rear plate 105 made of aluminum alloy can not only achieve the purpose of weight reduction of the overall control arm, but also control the cost to enhance the self strength, the dust cover 207 and the protective cover 210 positioned inside the front plate 101 and the rear plate 105 can achieve the purpose of reducing the manufacturing cost without considering the self strength, so that the manufacturing cost can be controlled, the purpose of improving the control arm and using convenience can be achieved, the rear bushing support 102 adopts fan-shaped profile installation simultaneously, fixed mounting of an oil way is facilitated, nylon 1010 framework is added in the rear bushing support 102, and accordingly axial rigidity and radial rigidity of the bushing support can be improved, the purpose of relieving vibration and impact transmitted from a road surface is achieved, high-frequency fixed vibration is isolated without changing vibration isolation effect of a low frequency band, noise in a vehicle caused by road surface unevenness is reduced, steps 213 are added to the rod portion of the ball pin 209, the dust cover 207 can be effectively limited to be installed, the supporting effect is achieved in the sinking and using process, mud water and other magazines are prevented from entering a cavity, early failure of the ball assembly 200 is caused, and in addition, the whole integrity of the front plate 101 and the rear plate 105 can be enhanced by adopting a welding deformation control technology, so that the universality of the control arm can be enhanced.

Referring to fig. 4, a plurality of hexagon bolts 212 are screwed into the front plate 101 and the rear plate 105, and a hexagon nut 211 is screwed into one end of the plurality of hexagon bolts 212.

In a specific embodiment, referring to fig. 1 and 4, the hexagonal bolt 212 and the hexagonal nut 211 cooperate with each other to enhance the connection strength between the front plate 101 and the rear plate 105 of the symmetrical structure, and the hexagonal bolt 212 is removed to facilitate the disassembly of the control arm assembly 100.

Referring to fig. 2, the locking ring 221 is mounted on the upper end surface of the front plate 101.

In a specific embodiment, referring to fig. 2 and 3, the locking ring 221 can be used to sleeve the front plate 101 and the ball head assembly 200, so as to enhance the overall strength of the ball head assembly 200 and the front plate 101.

Referring to fig. 1 and 2, the front plate 101 and the rear plate 105 are made of aluminum alloy.

In a specific embodiment, referring to fig. 1, the front plate 101 and the rear plate 105 made of aluminum alloy not only can achieve the purpose of light weight, but also have a certain compressive strength, so that the use safety can be improved, and the service life of the control arm can be prolonged.

Referring to fig. 3, the nozzle 201 and the cap 202 are made of rubber.

In a specific embodiment, referring to fig. 3, the rubber nipple 201 and the plug 202 can ensure tightness of the ball head assembly 200, avoid leakage during oil injection, and thus ensure smoothness of use of the control arm.

Referring to fig. 3, the protection cover 210 and the dust cover 207 are both made of plastic, and the frame is made of transparent plastic.

In a specific embodiment, referring to fig. 3, the plastic protection cover 210 and the dust protection cover 207 can play a role in protection and dust prevention, and reduce manufacturing cost.

The utility model provides a high-strength high-toughness suspension control arm, which is concretely used in the following manner: the front plate 101 and the rear plate 105 made of aluminum alloy can achieve the purposes of lightening the whole control arm and enhancing the self strength through controlling the cost, the dustproof cover 207 and the protective cover 210 inside the front plate 101 and the rear plate 105 can achieve the purpose of reducing the manufacturing cost, meanwhile, the front plate 101 and the rear plate 105 adopt the aluminum alloy bidirectional synchronous flanging technology, the purpose of improving the convenience in using the control arm can be achieved, the rear bushing bracket 102 adopts the fan-shaped profile for mounting, the fixed mounting of an oil way is facilitated, the nylon 1010 framework is additionally arranged inside the rear bushing bracket 102, the axial rigidity and the radial rigidity of the bushing bracket can be improved, the purpose of relieving the vibration and the impact transmitted from a road surface can be achieved, the high-frequency fixed vibration is isolated without changing the vibration isolation effect of a low frequency band, the in-vehicle noise caused by the unevenness of the road surface is reduced, the step 213 is additionally arranged at the rod part of the ball pin 209, the dustproof cover 207 can be effectively limited to have the supporting effect in the mounting and the using process, the magazines such as muddy water are prevented from entering the cavity, and in addition, the front plate 101 and the rear plate 105 adopt the welding deformation control technology can enhance the integrity, and the use safety and the universality of the control arm are improved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A high strength, high toughness suspension control arm, comprising:

The control arm assembly (100), the control arm assembly (100) comprises a control arm body, the control arm body comprises a front plate (101) and a rear plate (105) which are mutually matched in shape, one end of the control arm body is provided with a rear bushing bracket (102), a fan-shaped mounting groove is formed in the rear bushing bracket (102), a rear rubber bushing assembly is fixed in the fan-shaped mounting groove, the radian of the fan-shaped mounting groove is matched with the radian of the outer wall of the rear rubber bushing assembly, the rear rubber bushing assembly comprises a bushing outer tube and a rear rubber bushing arranged in the bushing outer tube, a framework is arranged in the rear rubber bushing, a reinforcing plate (103) is clamped in the front plate (101), the other end of the front plate (101) is connected with a middle rubber bushing (104), a folded edge bent towards the same direction is arranged at the joint of the front plate (101) and the rear plate (105), and the folded edge is in welded connection;

Ball assembly (200), ball assembly (200) include protection casing (210), peg graft in the inside of protection casing (210) has ball round pin (209), dust cover (207) have been cup jointed on the side surface of the inside ball round pin (209) of protection casing (210), the inside joint of dust cover (207) has two round collars (208), the lower extreme of dust cover (207) is connected with flat collar (206), the lower extreme joint of ball round pin (209) has ball seat (204), the both sides of protection casing (210) are connected with spherical shell (205), the lower extreme of ball seat (204) is connected with belleville spring (203), the bottom of spherical shell (205) is equipped with blanking cap (202), peg graft in the inside of blanking cap (202) has glib talker (201), the pole portion increase of ball round pin (209) has step (213) that can effectively restrict dust cover (207) installation subsidence.

2. The high-strength and high-toughness suspension control arm according to claim 1, wherein a plurality of hexagonal bolts (212) are screwed inside the front plate (101) and the rear plate (105), and one ends of the plurality of hexagonal bolts (212) are screwed with hexagonal nuts (211).

3. A high-strength high-toughness suspension control arm according to claim 1, wherein a locking ring (221) is mounted to an upper end surface of the front plate (101).

4. The high strength and high toughness suspension control arm according to claim 1, wherein the front plate (101) and the rear plate (105) are both made of aluminum alloy.

5. The high-strength high-toughness suspension control arm according to claim 1, wherein the oil nozzle (201) and the plug cover (202) are made of rubber materials.

6. The high strength, high toughness suspension control arm according to claim 1, wherein the shield (210) and dust cap (207) are both plastic and the frame is a transparent plastic.