Metal control arm with long service life

Abstract

The utility model provides a metal control arm with long service life, and relates to the field of automobiles. The metal control arm long in service life comprises a control arm body and a ball head assembly, the ball head assembly is arranged on the control arm body, a first lining pipe is arranged on the control arm body, reinforcing ribs are arranged on the surface of the control arm body, a small rubber lining is arranged in the first lining pipe, and a second lining pipe is arranged in the second lining pipe. A second lining pipe is arranged at the end of the control arm body. According to the metal control arm with the long service life, lubricating oil can be injected into the ball head sleeve, the lubricating oil can be injected into the ball sleeve through the lubricating hole, a reliable lubricating space is provided for the ball head, faults of a movable part caused by dry grinding of the ball head can be effectively reduced, and the service life is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the field of automobiles, in particular to a metal control arm with a long service life. Background Art

[0002] The control arm is an important part of the automobile suspension system. It controls the movement of the wheel by connecting the suspension system of the wheel and the body. It can limit the vertical movement of the wheel, keep the wheel in the desired position, and provide enough suspension travel to absorb road unevenness and reduce vibration.

[0003] During long-term use, the connection of the control arm is prone to abnormal noise and dry grinding. The movable joint is prone to control arm failure due to long-term dry grinding. Therefore, a metal control arm with a long service life needs to be invented to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a metal control arm with a long service life, which solves the problems of abnormal noise and dry grinding at the connection of the control arm during long-term use, and control arm failure due to long-term dry grinding at the movable joint.

[0005] Technical Solution

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a metal control arm with a long service life, including a control arm body and a ball head assembly, the control arm body is provided with a ball head assembly, the control arm body is provided with a bushing tube 1, the surface of the control arm body is provided with reinforcing ribs, the interior of the bushing tube 1 is provided with a small rubber bushing, and the end of the control arm body is provided with a bushing tube 2.

[0007] The ball head assembly includes a ball head sleeve, a fixing ear, a fixing bolt, a ball sleeve, a lubrication hole, a ball head, a fixing pin and a top cover. The control arm body is welded and fixed to the ball head sleeve, the opening of the ball head sleeve is welded and fixed to the fixing ear, the inner wall of the ball head sleeve is clamped and fixed to the ball sleeve, the interior of the ball sleeve is movably connected to the ball head, the outer surface of the ball head is fixed to the fixing pin, the top of the ball sleeve is provided with a lubrication hole, and the top of the ball head sleeve is sleeved and fixed to the top cover.

[0008] Preferably, the bushing tube 2 includes a sleeve, a sleeve, a sleeve cover, a connecting sleeve, an upper sealing cover plate, fixing screws and a lower sealing cover plate. A sleeve is placed inside the sleeve, and the top edge of the sleeve is welded and fixed to the lower sealing cover plate. An upper sealing cover plate is arranged on the top of the lower sealing cover plate. The lower sealing cover plate and the upper sealing cover plate are fixed by fixing screws. A sleeve cover is fixedly embedded in the inner circle of the upper sealing cover plate. The connecting sleeve is located inside the sleeve, and the top of the connecting sleeve passes through the sleeve and extends to the top of the sleeve.

[0009] Preferably, the bottom end of the lubrication hole extends to the movable space inside the ball sleeve, and the inner wall of the ball sleeve is a circular concave surface.

[0010] Preferably, the bushing tube 1 and the small rubber bushing are pressed into the interior of the bushing tube 1 by a press.

[0011] Preferably, the exterior of the bushing is a steel ring, and the space between the bushing and the connecting sleeve is filled with rubber.

[0012] Preferably, the top cover is made of rubber, and the connection between the top cover and the fixing pin is sealed and installed with a rubber sealing ring. Beneficial Effects

[0013] The utility model provides a metal control arm with a long service life and has the following beneficial effects:

[0014] The metal control arm with a long service life can inject lubricating oil into the ball head sleeve. The lubricating hole can inject the lubricating oil into the ball sleeve through the hole, providing a reliable lubrication space for the ball head, effectively reducing the failure of the active part caused by dry grinding of the ball head, and effectively improving the service life.

[0015] The metal control arm with a long service life adopts a detachable fixation between the lower cover plate and the upper cover plate, which effectively facilitates the replacement of the bushing. The replacement of the bushing can effectively reduce the replacement frequency of the control arm and increase the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the second bushing pipe of the utility model;

[0018] Figure 3 It is a schematic diagram of the ball head assembly structure of the utility model.

[0019] Among them, 1. control arm body; 2. reinforcement rib; 3. ball head assembly; 301. ball head sleeve; 302. fixing ear; 303. fixing bolt; 304. ball sleeve; 305. lubrication hole; 306. ball head; 307. fixing pin; 308. top cover; 4. bushing tube one; 5. small rubber bushing; 6. bushing tube two; 601. sleeve; 602. bushing; 603. sleeve cover; 604. connecting sleeve; 605. upper cover plate; 606. fixing screw; 607. lower cover plate. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] The utility model embodiment provides a metal control arm with a long service life, such as Figure 1-3 As shown, it includes a control arm body 1 and a ball head assembly 3, the control arm body 1 is provided with a ball head assembly 3, the control arm body 1 is provided with a bushing tube 1 4, the surface of the control arm body 1 is provided with a reinforcing rib 2, the inside of the bushing tube 1 4 is provided with a small rubber bushing 5, and the end of the control arm body 1 is provided with a bushing tube 2 6;

[0022] like Figure 3 As shown, the ball head assembly 3 includes a ball head sleeve 301, a fixing ear 302, a fixing bolt 303, a ball sleeve 304, a lubrication hole 305, a ball head 306, a fixing pin 307 and a top cover 308. The control arm body 1 is welded and fixed to the ball head sleeve 301, and the opening of the ball head sleeve 301 is welded and fixed to the fixing ear 302. The opening of the ball head sleeve 301 is clamped and sealed between the fixing ears 302 with a sealing gasket. The inner wall of the ball head sleeve 301 is clamped and fixed to the ball sleeve 304. The interior of the ball sleeve 304 is movably connected to the ball head 306. The movably connected ball sleeve 304 and the ball head 306 can movably connect the control arm to the vehicle body component to achieve the flexibility of the vehicle. The outer wall of the ball head 306 The surface is fixed to the fixing pin 307, and the fixing pin 307 is connected to the body part to provide good mobility for the body. The top of the ball sleeve 304 is provided with a lubrication hole 305, and lubricating oil can be injected into the ball head sleeve 301. The setting of the lubrication hole 305 can inject the lubricating oil into the inside of the ball sleeve 304 through the inside of the hole, providing a reliable lubrication space for the ball head 306, which can effectively reduce the failure of the active part caused by dry grinding of the ball head 306 and effectively improve the service life. The top of the ball head sleeve 301 is fixed with the top cover 308. The top cover 308 is made of rubber and can provide a sealed space for the inside of the ball head sleeve 301, effectively reducing the entry of dust and water and further improving its durability.

[0023] like Figure 2 As shown, the bushing tube 6 includes a bushing 601, a bushing 602, a cover 603, a connecting sleeve 604, an upper cover plate 605, a fixing screw 606 and a lower cover plate 607. The bushing 602 is placed inside the bushing 601. The top edge of the bushing 601 is welded and fixed to the lower cover plate 607. The upper cover plate 605 is arranged on the top of the lower cover plate 607. The lower cover plate 607 and the upper cover plate 605 are fixed by fixing screws 606. The lower cover plate 607 and the upper cover plate 605 are fixed in a detachable manner, which effectively facilitates the replacement of the bushing 602. The replacement of the bushing 602 can effectively reduce the replacement frequency of the control arm and increase its service life. The inner ring of the upper cover plate 605 is fixedly embedded with a cover 603. The connecting sleeve 604 is located inside the bushing 602. The top of the connecting sleeve 604 passes through the bushing 602 and extends to the top of the bushing 602.

[0024] The bottom end of the lubrication hole 305 extends to the movable space inside the ball sleeve 304 . The inner wall of the ball sleeve 304 is a circular concave surface. Lubricating oil can enter the movable space of the ball head 306 and the ball sleeve 304 through the lubrication hole 305 .

[0025] A press is used to press the bushing tube 4 and the small rubber bushing 5 into the interior of the bushing tube 4.

[0026] The outside of the bushing 602 is a steel ring, and the space between the bushing 602 and the connecting sleeve 604 is filled with rubber, which reduces the rigid connection of the moving parts and improves the comfort of the control arm.

[0027] The top cover 308 is made of rubber, and the connection between the top cover 308 and the fixing pin 307 is sealed by a rubber sealing ring. The rubber sealing ring is provided to prevent dust and other foreign matter from entering the interior, thereby improving the durability of the ball head assembly 3.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A metal control arm with a long service life, comprising a control arm body (1) and a ball head assembly (3), characterized in that: The control arm body (1) is provided with a ball head assembly (3), the control arm body (1) is provided with a bushing tube 1 (4), the surface of the control arm body (1) is provided with a reinforcing rib (2), the interior of the bushing tube 1 (4) is provided with a small rubber bushing (5), and the end of the control arm body (1) is provided with a bushing tube 2 (6); The ball head assembly (3) comprises a ball head sleeve (301), a fixing ear (302), a fixing bolt (303), a ball sleeve (304), a lubrication hole (305), a ball head (306), a fixing pin (307) and a top cover (308). The control arm body (1) is fixedly welded to the ball head sleeve (301), the opening of the ball head sleeve (301) is fixedly welded to the fixing ear (302), the inner wall of the ball head sleeve (301) is clamped and fixed to the ball sleeve (304), the interior of the ball sleeve (304) is movably connected to the ball head (306), the outer surface of the ball head (306) is fixed to the fixing pin (307), the top of the ball sleeve (304) is provided with a lubrication hole (305), and the top of the ball head sleeve (301) is sleeved and fixed to the top cover (308).

2. A metal control arm with a long service life according to claim 1, characterized in that: The bushing tube 2 (6) comprises a bushing (601), a bushing (602), a sleeve cover (603), a connecting sleeve (604), an upper sealing plate (605), fixing screws (606) and a lower sealing plate (607); the bushing (602) is placed inside the bushing (601); the top edge of the bushing (601) is welded and fixed to the lower sealing plate (607); the upper sealing plate (605) is arranged on the top of the lower sealing plate (607); the lower sealing plate (607) and the upper sealing plate (605) are fixed by fixing screws (606); the sleeve cover (603) is fixedly embedded in the inner ring of the upper sealing plate (605); the connecting sleeve (604) is located inside the bushing (602); the top of the connecting sleeve (604) passes through the bushing (602) and extends to the top of the bushing (602).

3. The metal control arm with long service life according to claim 1, characterized in that: The bottom end of the lubrication hole (305) extends to the movable space inside the ball sleeve (304), and the inner wall of the ball sleeve (304) is a circular concave surface.

4. The metal control arm with long service life according to claim 1, characterized in that: The bushing tube 1 (4) and the small rubber bushing (5) are pressed into the interior of the bushing tube 1 (4) by a press machine.

5. The metal control arm with long service life according to claim 1, characterized in that: The outside of the bushing (602) is a steel ring, and the space between the bushing (602) and the connecting sleeve (604) is filled with rubber.

6. The metal control arm with long service life according to claim 1, characterized in that: The top cover (308) is made of rubber, and the connection between the top cover (308) and the fixing pin (307) is sealed with a rubber sealing ring.

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