Swing arm assembly of suspension

By designing structures such as butter barrels, sliding rods, etc. in the automobile swing arm assembly, the continuous lubrication of the ball pin is solved, and the lubrication and wear problems caused by friction between the ball sleeves and the ball pins in the prior art are extended, and the service life of the swing arm is extended.

CN222905233UActive Publication Date: 2025-05-27BIBOST (JIANGSU) AUTOMOTIVE TECH CO LTD
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Patent Information

Application Number
CN202422049500.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-05-27
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

In the existing automotive swing arm assembly, the friction between the ball sleeve and the ball pin leads to insufficient lubrication, accelerates wear and reduces service life.

Method used

A suspension swing arm assembly is designed, using a structure such as butter cylinder, sliding rod, oil push plate, spring and oil pipe. The elasticity of the spring pushes the butter into the oil pipe and transports it to the bottom of the ball pin to achieve continuous lubrication.

Benefits of technology

It effectively avoids friction between the ball sleeve and the ball pin, maintains a good lubricating state, extends the service life of the swing arm, and provides a convenient butter supplement method.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of swing arm assemblies, and particularly relates to a swing arm assembly of a suspension, which comprises a swing arm frame, one side of the swing arm frame is fixedly connected with a frame front connecting end, a first rubber sleeve is fixedly connected inside the frame front connecting end, one end of the swing arm frame is fixedly connected with a frame rear connecting end, and the other end of the swing arm frame is fixedly connected with a second rubber sleeve. By arranging the oil pushing disc, the spring, the oil conveying pipe and the like, pressure is exerted on one side of the oil pushing disc through elasticity of the spring, the oil pushing disc exerts pushing force on butter in the butter barrel, the butter can be pushed into the oil conveying pipe, then the butter is conveyed into the oil conveying hole through the oil conveying pipe, and the butter can be conveyed into the oil conveying hole through the oil conveying pipe. And the grease is conveyed into the grease groove through the grease conveying hole to lubricate the bottom of the ball pin, so that the situation that the lubrication degree between the ball pin and the ball sleeve is not enough, the abrasion between the ball pin and the ball sleeve is accelerated and the service life of the swing arm is shortened due to the fact that the ball sleeve on the swing arm and the ball pin are continuously rubbed and the grease at the bottom is extruded to the upper surface when an automobile runs is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of swing arm assemblies, in particular to a swing arm assembly of a suspension. Background Art

[0002] An automobile swing arm is a part of the suspension system. It connects the wheel and the vehicle body. When the vehicle is impacted by the road surface, the swing arm can effectively disperse these forces, prevent them from being directly transmitted to the vehicle body and the wheel, and improve the stability and comfort of the vehicle.

[0003] However, in the existing equipment, when the vehicle is running, the ball joint and the ball pin on the swing arm keep rubbing, which will squeeze the butter at the bottom to the top, resulting in insufficient lubrication between the ball pin and the ball joint, accelerating the wear between the ball pin and the ball joint, and reducing the service life of the swing arm. Therefore, a swing arm assembly of a suspension is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and a swing arm assembly of a suspension is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a swing arm assembly of a suspension, including a swing arm frame, one side of the swing arm frame is fixedly connected with a front vehicle frame connection end, the inside of the front vehicle frame connection end is fixedly connected with a first rubber sleeve, one end of the swing arm frame is fixedly connected with a rear vehicle frame connection end, the inside of the rear vehicle frame connection end is fixedly connected with a second rubber sleeve, a plurality of holes are formed in the swing arm frame, one side of the swing arm frame is fixedly connected with a ball joint, an oil groove is formed in the inner bottom of the ball joint, an oil delivery hole is formed in one side of the inside of the oil groove, a connection block is fixedly connected to the upper surface of the swing arm frame, and an oil delivery structure is arranged on the connection block.

[0006] As a further description of the above technical solution:

[0007] A ball pin is movably connected inside the ball joint, a conical column is fixedly connected to the ball pin, and a threaded rod is fixedly connected to the upper surface of the conical column.

[0008] As a further description of the above technical solution:

[0009] A first fixing groove is formed on the outer side wall of the ball joint, a second fixing groove is formed on the outer side wall of the conical column, and a dust cover is fixedly connected inside the second fixing groove and the first fixing groove together.

[0010] As a further description of the above technical solution:

[0011] The oil delivery structure includes a grease cylinder fixedly connected to the upper surface of the connection block. One side of the grease cylinder is fixedly connected with an oil delivery pipe, and one end of the oil delivery pipe is fixedly connected to the upper surface of the swing arm frame and penetrates through the oil delivery hole.

[0012] As a further description of the above technical solution:

[0013] One side of the grease cylinder is slidably connected through a sliding rod. One end of the sliding rod is fixedly connected with a grease pushing plate. The grease pushing plate is slidably connected to the inner side wall of the grease cylinder. A threaded hole is opened on the grease cylinder, and a plug is threadedly connected inside the threaded hole.

[0014] As a further description of the above technical solution:

[0015] Scale lines are provided on the sliding rod. A spring is movably connected to the sliding rod. One end of the spring is fixedly connected to one side of the grease pushing plate, and the other end is fixedly connected to one side inside the grease cylinder.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, for the swing arm assembly used in the suspension, by setting a grease cylinder, a sliding rod, a grease pushing plate, a spring, an oil delivery pipe, etc., through the elasticity of the spring, pressure is applied to one side of the grease pushing plate. The grease pushing plate applies a thrust to the grease inside the grease cylinder, and the grease can be pushed into the oil delivery pipe, then transported through the oil delivery pipe into the oil delivery hole, and then into the grease groove through the oil delivery hole to lubricate the bottom of the ball pin, avoiding the continuous friction between the ball socket and the ball pin on the swing arm when the vehicle is driving, squeezing the bottom grease to the top, resulting in insufficient lubrication between the ball pin and the ball socket, accelerating the wear between the ball pin and the ball socket, and reducing the service life of the swing arm.

[0018] 2. Compared with the prior art, for the swing arm assembly used in the suspension, by setting scale lines, threaded holes, plugs, etc., maintenance personnel can judge the amount of grease inside the grease cylinder by observing the scale lines. When the amount is small, pull the sliding rod to drive the grease pushing plate to retract, leaving space for refueling, and then unscrew the plug and add grease into it. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structure diagram of a swing arm assembly of a suspension proposed by the utility model;

[0020] Figure 2 It is a sectional view of a swing arm assembly of a suspension proposed by the utility model;

[0021] Figure 3 It is an exploded view of the ball socket and the ball pin of a swing arm assembly of a suspension proposed by the utility model;

[0022] Figure 4 Schematic diagram of the oil delivery structure of an arm component of a suspension proposed by the present utility model;

[0023] Figure 5 Exploded view of the oil delivery structure of an arm component of a suspension proposed by the present utility model.

[0024] Legend:

[0025] 1. Arm frame; 2. Hole; 3. Second rubber sleeve; 4. First rubber sleeve; 5. Ball sleeve; 6. Ball pin; 7. Conical column; 8. Threaded rod; 9. Dust cover; 10. Connecting block; 11. Oil delivery hole; 12. Oil delivery structure; 121. Grease cylinder; 122. Sliding rod; 123. Oil pushing disc; 124. Spring; 125. Oil delivery pipe; 126. Scale line; 127. Threaded hole; 128. Oil blocking plug; 13. Grease groove. Specific implementation mode

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Referring to Figures 1 to 5 , a suspension arm assembly provided by the present utility model includes an arm frame 1. One side of the arm frame 1 is fixedly connected to the front connection end of the vehicle frame. The inside of the front connection end of the vehicle frame is fixedly connected to a first rubber sleeve 4. One end of the arm frame 1 is fixedly connected to the rear connection end of the vehicle frame. The inside of the rear connection end of the vehicle frame is fixedly connected to a second rubber sleeve 3. A plurality of holes 2 are provided on the arm frame 1. One side of the arm frame 1 is fixedly connected to a ball sleeve 5. A first fixing groove is provided on the outer side wall of the ball sleeve 5. A ball pin 6 is movably connected inside the ball sleeve 5. A conical column 7 is fixedly connected to the ball pin 6. A second fixing groove is provided on the outer side wall of the conical column 7. A dust cover 9 is fixedly connected inside the second fixing groove and the first fixing groove together. The dust cover 9 can prevent external dust from entering the ball sleeve 5 and reduce the probability of grease leakage. A threaded rod 8 is fixedly connected to the upper surface of the conical column 7. An oil groove 13 is provided at the inner bottom of the ball sleeve 5. An oil delivery hole 11 is provided on one side inside the oil groove 13. A connecting block 10 is fixedly connected to the upper surface of the arm frame 1. An oil delivery structure 12 is provided on the connecting block 10;

[0028] The oil delivery structure 12 includes a grease cylinder 121 fixedly connected to the upper surface of the connection block 10. One side of the grease cylinder 121 is fixedly connected with an oil delivery pipe 125. One end of the oil delivery pipe 125 is fixedly connected to the upper surface of the swing arm frame 1 and penetrates through the oil delivery hole 11. One side of the grease cylinder 121 is slidably connected through a sliding rod 122. One end of the sliding rod 122 is fixedly connected with a grease pushing plate 123. A scale line 126 is provided on the sliding rod 122. Maintenance personnel can judge the amount of grease inside the grease cylinder 121 by observing the scale line 126. A spring 124 is movably connected to the sliding rod 122. One end of the spring 124 is fixedly connected to one side of the grease pushing plate 123, and the other end is fixedly connected to one side inside the grease cylinder 121. When the amount of grease is less, pull the sliding rod 122 to drive the grease pushing plate 123 to retract, leaving a space for refueling. The grease pushing plate 123 is slidably connected to the inner side wall of the grease cylinder 121. A threaded hole 127 is provided on the grease cylinder 121. A grease plug 128 is threadedly connected inside the threaded hole 127. Unscrew the grease plug 128 and fill grease into it. Through the elasticity of the spring 124, a pressure is applied to one side of the grease pushing plate 123. The grease pushing plate 123 applies a thrust to the grease inside the grease cylinder 121, and the grease can be pushed into the oil delivery pipe 125, then transported to the oil delivery hole 11 through the oil delivery pipe 125, and then transported into the grease groove 13 through the oil delivery hole 11 to lubricate the bottom of the ball pin 6, avoiding the continuous friction between the ball sleeve 5 on the swing arm and the ball pin 6 when the vehicle is driving, squeezing the bottom grease to the top, resulting in insufficient lubrication between the ball pin 6 and the ball sleeve 5, accelerating the wear between the ball pin 6 and the ball sleeve 5, and reducing the service life of the swing arm.

[0029] Working principle: Through the elasticity of the spring 124, a pressure is applied to one side of the grease pushing plate 123. The grease pushing plate 123 applies a thrust to the grease inside the grease cylinder 121, and the grease can be pushed into the oil delivery pipe 125, then transported to the oil delivery hole 11 through the oil delivery pipe 125, and then transported into the grease groove 13 through the oil delivery hole 11 to lubricate the bottom of the ball pin 6, avoiding the continuous friction between the ball sleeve 5 on the swing arm and the ball pin 6 when the vehicle is driving, squeezing the bottom grease to the top, resulting in insufficient lubrication between the ball pin 6 and the ball sleeve 5, accelerating the wear between the ball pin 6 and the ball sleeve 5, and reducing the service life of the swing arm. Maintenance personnel can judge the amount of grease inside the grease cylinder 121 by observing the scale line 126. When the amount of grease is less, pull the sliding rod 122 to drive the grease pushing plate 123 to retract, leaving a space for refueling, and then unscrew the grease plug 128 and fill grease into it.

[0030] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A suspension swing arm assembly, comprising a swing arm frame (1), characterized in that: One side of the swing arm frame (1) is fixedly connected to a front connection end of a vehicle frame, a first rubber sleeve (4) is fixedly connected inside the front connection end of the vehicle frame, one end of the swing arm frame (1) is fixedly connected to a rear connection end of the vehicle frame, a second rubber sleeve (3) is fixedly connected inside the rear connection end of the vehicle frame, a plurality of holes (2) are provided on the swing arm frame (1), one side of the swing arm frame (1) is fixedly connected to a ball sleeve (5), an inner bottom of the ball sleeve (5) is provided with a grease groove (13), an inner side of the grease groove (13) is provided with an oil delivery hole (11), an upper surface of the swing arm frame (1) is fixedly connected to a connection block (10), and an oil delivery structure (12) is provided on the connection block (10).

2. A swing arm assembly of a suspension according to claim 1, characterized in that: A ball pin (6) is movably connected inside the ball sleeve (5), a conical column (7) is fixedly connected to the ball pin (6), and a threaded rod (8) is fixedly connected to the upper surface of the conical column (7).

3. A swing arm assembly of a suspension according to claim 2, characterized in that: A first fixing groove is provided on the outer wall of the ball sleeve (5), a second fixing groove is provided on the outer wall of the conical column (7), and a dust cover (9) is fixedly connected to the inside of the second fixing groove and the first fixing groove.

4. A swing arm assembly of a suspension according to claim 1, characterized in that: The oil delivery structure (12) comprises a butter cylinder (121) fixedly connected to the upper surface of the connection block (10), one side of the butter cylinder (121) is fixedly connected to an oil delivery pipe (125), one end of the oil delivery pipe (125) is fixedly connected to the upper surface of the swing arm frame (1) and passes through the oil delivery hole (11).

5. A swing arm assembly of a suspension according to claim 4, characterized in that: A sliding rod (122) is slidably connected to one side of the butter cylinder (121), one end of the sliding rod (122) is fixedly connected to an oil push plate (123), the oil push plate (123) is slidably connected to the inner wall of the butter cylinder (121), a threaded hole (127) is provided on the butter cylinder (121), and an oil plug (128) is threadedly connected to the inside of the threaded hole (127).

6. A swing arm assembly of a suspension according to claim 5, characterized in that: The sliding rod (122) is provided with a scale line (126), and the sliding rod (122) is movably connected to a spring (124), one end of the spring (124) is fixedly connected to one side of the oil push plate (123), and the other end is fixedly connected to the inner side of the butter cylinder (121).