Mounting device for rubber bushing of lower swing arm of automobile
By combining a support, limit, and positioning mechanism, and using the meshing of an electric push rod and a rotating shaft to drive rotation, combined with an L-shaped connecting rod and a telescopic rod, the problem of positioning the rubber bushing caused by the irregular structure of the lower control arm of the automobile is solved, and precise bushing installation is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-04
- Publication Date
- 2026-03-27
AI Technical Summary
In the prior art, the irregular structure of the lower control arm of a car makes it difficult to position the rubber bushing during installation, resulting in inconvenience.
The system employs a combination of support mechanism, limit mechanism, and positioning mechanism. The lower slide block is driven by an electric push rod to mesh with the rotating shaft, and the driven gear drives the rotating shaft to rotate. Combined with the cooperation of the L-shaped connecting rod and the telescopic rod, the lower swing arm is fixed and the bushing is positioned.
This achieves effective positioning of the lower control arm of the vehicle, ensuring that the rubber bushing does not shift during installation, thus improving the convenience and accuracy of installation.
Smart Images

Figure CN121734553A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of bushing installation technology, and more particularly to an installation device for a rubber bushing of an automotive lower control arm. Background Technology
[0002] The lower control arm bushing is a key component of a car's suspension system. It's installed at two crucial points where the lower control arm connects to the chassis. When a car travels on uneven surfaces, the wheels generate vibrations. The energy of these vibrations is transmitted through the wheels, steering knuckles, and lower control arms. Made of elastic materials such as rubber or polyurethane, the bushing absorbs and disperses some of this vibration energy, transferring it to the flexible parts of the chassis. This reduces vibrations transmitted to the body and passengers, providing a more comfortable ride.
[0003] Currently, in existing technologies, because the shape of the lower control arm of a car is irregular, if the lower control arm is not positioned during the installation of the rubber bushing, the rubber bushing will shift during installation. Therefore, it is not convenient to position the lower control arm when installing the rubber bushing of the lower control arm. Therefore, this invention proposes an installation device for the rubber bushing of the lower control arm of a car. Summary of the Invention
[0004] The purpose of this invention is to solve the shortcomings of the prior art, which is that because the shape of the lower control arm of a car is irregular, if the lower control arm is not positioned during installation, the rubber bushing will shift during installation, making it inconvenient to position the lower control arm when installing the rubber bushing.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an installation device for a rubber bushing of a lower control arm of an automobile, comprising a support mechanism, a limiting mechanism installed on the support mechanism, and a positioning mechanism installed on the support mechanism. The limiting mechanism is driven and connected to the positioning mechanism for installing the lower control arm and the bushing, and the positioning mechanism can be used to position the lower control arm. The support mechanism includes a fixed base plate, two No. 1 support plates are fixedly connected to the upper surface of the fixed base plate, a limiting cylinder is fixedly connected to the upper end of the No. 1 support plate, a No. 1 installation groove is opened in the limiting cylinder, a groove is opened below the limiting cylinder, a connecting rod is fixedly connected between the two No. 1 support plates, a fixed crossbar is fixedly connected to the outer wall of the middle part of the connecting rod, and a No. 2 installation groove is opened on the upper surface of the fixed crossbar.
[0006] In at least some embodiments, the limiting mechanism includes a lower slider that is slidably mounted on a fixed crossbar, and an L-shaped connecting rod is fixedly connected to the upper surface of the lower slider, the L-shaped connecting rod being located within a groove.
[0007] In at least some embodiments, a second support plate is fixedly connected to one side of the L-shaped connecting rod, a rubber pad is fixedly connected to one side of the second support plate, the rubber pad is located in the first mounting groove, and a mounting ring is fixedly connected to the upper end of the L-shaped connecting rod.
[0008] In at least some embodiments, a telescopic rod is slidably installed inside the mounting ring, and an upper connecting rod is rotatably installed at the lower end of the telescopic rod. The upper connecting rod is located above the limiting cylinder, and a connecting seat is rotatably installed at the lower end of the upper connecting rod. A limiting ring is fixedly connected to the lower surface of the connecting seat, and the limiting ring is located on one side of the first mounting groove.
[0009] In at least some embodiments, side plates are fixedly connected to both ends of the limiting ring, and a limiting rod is slidably installed at one end of the side plate, the limiting rod being fixedly connected to the upper surface of the limiting cylinder.
[0010] In at least some embodiments, the positioning mechanism includes two connecting sheet metals, which are respectively fixed to the two sides of the lower slider. A side connecting rod is fixed to the connecting sheet metals, and an electric push rod is fixed to one side of the lower slider. The electric push rod is fixed to the inner wall of the second mounting groove.
[0011] In at least some embodiments, a rotating shaft is rotatably mounted on the upper surface of the side connecting rod, a driven gear is fixedly connected to the lower end of the rotating shaft, a side toothed plate is meshed with one side of the driven gear, and the side toothed plate is fixedly connected to both sides of the first support plate.
[0012] In at least some embodiments, a connector is fixedly connected to the upper end of the rotating shaft, and a limiting bracket is fixedly connected to one side of the upper end of the connector, the limiting bracket being located on one side of the limiting cylinder.
[0013] Compared with the prior art, the advantages and positive effects of the present invention are as follows: 1. In this invention, starting the electric push rod can drive the lower slider to move, and then the side connecting rod will move synchronously with the lower slider. At the same time, the driven gear of the rotating shaft and the side tooth plate mesh, which can drive the rotating shaft to rotate. Then the limiting bracket will rotate around the rotating shaft as the center, thereby fixing the lower control arm of the car.
[0014] 2. In this invention, the bushing is placed in the mounting groove of the limiting cylinder. The bushing can be pushed to move horizontally in the mounting groove by the rubber pad on one side of the L-shaped connecting rod. At the same time, the horizontal movement of the L-shaped connecting rod will also push the telescopic rod to rise and fall in the mounting ring. The telescopic rod can drive the limiting ring to rise and fall along the limiting rod. Then the limiting ring can position the bushing mounting ring of the lower control arm of the car. Attached Figure Description
[0015] Figure 1 A schematic perspective view of one side structure of an installation device for a rubber bushing of a lower control arm in automobiles, as proposed in this invention; Figure 2This invention provides a schematic perspective view of the other side of the overall structure of an installation device for a rubber bushing of a lower control arm in automobiles. Figure 3 A schematic perspective view of the support mechanism structure of the mounting device for the rubber bushing of the lower control arm of an automobile is provided for the present invention. Figure 4 This invention provides a schematic perspective view of a combined support mechanism and limiting mechanism for the installation device of a rubber bushing for an automotive lower control arm. Figure 5 A three-dimensional schematic diagram of the overall structure of the positioning mechanism of the mounting device for the rubber bushing of the lower control arm of an automobile is provided for this invention. Figure 6 This invention provides a schematic perspective view of the overall structure of the limiting mechanism of an installation device for a rubber bushing on a lower control arm of an automobile.
[0016] Legend: 100, Support mechanism; 200, Limiting mechanism; 300, Positioning mechanism; 101, Fixed base plate; 102, Support plate No. 1; 103, Limiting cylinder; 104, Mounting slot No. 1; 105, Connecting rod; 106, Groove; 107, Fixed crossbar; 108, Mounting slot No. 2; 201, Side plate; 202, Limiting rod; 203, Limiting ring; 204, Connecting seat; 205, Upper connecting rod; 206, Mounting ring; 207, Telescopic rod; 208, L-shaped connecting rod; 209, Support plate No. 2; 210, Rubber pad; 211, Lower slider; 301, Connecting sheet metal; 302, Limiting bracket; 303, Connecting piece; 304, Rotating shaft; 305, Driven gear; 306, Side toothed plate; 307, Side connecting rod; 308, Electric push rod. Detailed Implementation
[0017] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0018] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.
[0019] In existing technology, the lower control arm bushing is a key component of the automotive suspension system. It is installed at two critical locations where the lower control arm connects to the chassis. When a car travels on uneven roads, the wheels vibrate. The energy of these vibrations is transmitted through the wheels, steering knuckles, and lower control arms. The bushings are made of elastic materials such as rubber or polyurethane, which can absorb and disperse some of the vibration energy, transferring it to the flexible parts of the chassis, thereby reducing the vibration transmitted to the car body and passengers and providing a more comfortable ride. Because the lower control arm of a car has an irregular shape, if the lower control arm is not positioned during installation, the rubber bushing will shift during installation. Therefore, it is not convenient to position the lower control arm when installing the rubber bushing.
[0020] Therefore, the objective of this invention is at least as follows: Activating the electric push rod 308 can move the lower slider 211, and the side connecting rod 307 will move synchronously with the lower slider 211. Simultaneously, the driven gear 305 of the rotating shaft 304 and the side toothed plate 306 mesh, causing the rotating shaft 304 to rotate. The limiting bracket 302 will then rotate around the rotating shaft 304, thus fixing the lower control arm of the vehicle. The bushing is placed in the mounting groove 104 of the limiting cylinder 103. Through the rubber pad 210 on one side of the L-shaped connecting rod 208, the bushing can be pushed to move horizontally within the mounting groove 104. Simultaneously, the horizontal movement of the L-shaped connecting rod 208 will also push the telescopic rod 207 to rise and fall within the mounting ring 206. The telescopic rod 207 can then drive the limiting ring 203 to rise and fall along the limiting rod 202, thereby positioning the bushing mounting ring of the lower control arm of the vehicle.
[0021] Implementation examples, based on Figures 1-6 This invention provides an installation device for a rubber bushing of a lower control arm in an automobile, comprising a support mechanism 100, a limiting mechanism 200 mounted on the support mechanism 100, and a positioning mechanism 300 mounted on the support mechanism 100. The limiting mechanism 200 is driven and connected to the positioning mechanism 300 for installing the lower control arm and the bushing, and the positioning mechanism 300 can be used to position the lower control arm. Figure 3 As shown, the support mechanism 100 includes a fixed base plate 101. Two first support plates 102 are fixedly connected to the upper surface of the fixed base plate 101. A limiting cylinder 103 is fixedly connected to the upper end of the first support plate 102. A first mounting groove 104 is opened in the limiting cylinder 103. A groove 106 is opened below the limiting cylinder 103. A connecting rod 105 is fixedly connected between the two first support plates 102. A fixed crossbar 107 is fixedly connected to the outer wall of the middle part of the connecting rod 105. A second mounting groove 108 is opened on the upper surface of the fixed crossbar 107.
[0022] like Figure 6As shown, the limiting mechanism 200 includes a lower slider 211, which is slidably mounted on a fixed crossbar 107. An L-shaped connecting rod 208 is fixedly connected to the upper surface of the lower slider 211. The L-shaped connecting rod 208 is located in a groove 106. A second support plate 209 is fixedly connected to one side of the L-shaped connecting rod 208. A rubber pad 210 is fixedly connected to one side of the second support plate 209. The rubber pad 210 is located in a first mounting groove 104. An mounting ring 206 is fixedly connected to the upper end of the L-shaped connecting rod 208. A telescopic rod 207 is slidably mounted in the mounting ring 206. An upper connecting rod 205 is rotatably mounted to the lower end of the telescopic rod 207. The upper connecting rod 205 is located above the limiting cylinder 103. A connecting seat 204 is rotatably mounted to the lower end of the upper connecting rod 205. The lower surface of the connecting seat 204... A limiting ring 203 is fixedly connected to one side of the first mounting groove 104. Side plates 201 are fixedly connected to both ends of the limiting ring 203. A limiting rod 202 is slidably installed at one end of the side plate 201. The limiting rod 202 is fixed to the upper surface of the limiting cylinder 103. The sliding block 211 moves horizontally along the fixed crossbar 107 to place the bushing in the mounting groove 104 of the limiting cylinder 103. Through the rubber pad 210 on one side of the L-shaped connecting rod 208, the bushing can be pushed to move horizontally in the mounting groove 104. At the same time, the horizontal movement of the L-shaped connecting rod 208 will also push the telescopic rod 207 to rise and fall within the mounting ring 206. The telescopic rod 207 can then drive the limiting ring 203 to rise and fall along the limiting rod 202. Subsequently, the limiting ring 203 can position the bushing mounting ring of the lower control arm of the automobile.
[0023] like Figure 5 As shown, the positioning mechanism 300 includes two connecting sheet metals 301, which are respectively fixed to the two side surfaces of the lower slider 211. A side connecting rod 307 is fixed to each connecting sheet metal 301. An electric push rod 308 is fixed to one side of the lower slider 211 and is fixed to the inner wall of the second mounting slot 108. A rotating shaft 304 is rotatably mounted on the upper surface of the side connecting rod 307. A driven gear 305 is fixed to the lower end of the rotating shaft 304. A side gear plate 306 is meshed with one side of the driven gear 305 and is fixed to the... On both sides of the first support plate 102, a connector 303 is fixedly connected to the upper end of the rotating shaft 304. A limit bracket 302 is fixedly connected to one side of the upper end of the connector 303. The limit bracket 302 is located on one side of the limit cylinder 103. When the electric push rod 308 is activated, the lower slide block 211 can be moved. Then the side connecting rod 307 will move synchronously with the lower slide block 211. At the same time, the driven gear 305 of the rotating shaft 304 and the side tooth plate 306 mesh, which can drive the rotating shaft 304 to rotate. Then the limit bracket 302 will rotate around the rotating shaft 304 as the center, thereby fixing the lower control arm of the car.
[0024] The working principle of this invention is as follows: starting the electric push rod 308 can drive the lower slider 211 to move, and then the side connecting rod 307 will move synchronously with the lower slider 211. At the same time, the driven gear 305 of the rotating shaft 304 and the side tooth plate 306 mesh, which can drive the rotating shaft 304 to rotate. Then the limiting bracket 302 will rotate around the rotating shaft 304 to fix the lower control arm of the car. The bushing is placed in the mounting groove 104 of the limiting cylinder 103. Through the rubber pad 210 on one side of the L-shaped connecting rod 208, the bushing can be pushed to move horizontally in the mounting groove 104. At the same time, the horizontal movement of the L-shaped connecting rod 208 will also push the telescopic rod 207 to rise and fall in the mounting ring 206. The telescopic rod 207 can drive the limiting ring 203 to rise and fall along the limiting rod 202. Then the limiting ring 203 can position the bushing mounting ring of the lower control arm of the car.
[0025] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments that can be applied to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.
Claims
1. A mounting device for a rubber bushing of a lower control arm in an automobile, comprising a support mechanism (100), characterized in that: A limiting mechanism (200) is installed on the support mechanism (100), and a positioning mechanism (300) is also installed on the support mechanism (100). The limiting mechanism (200) is driven to be connected to the positioning mechanism (300) for installing the lower swing arm and the bushing. The positioning mechanism (300) can be used to position the lower swing arm. The support mechanism (100) includes a fixed base plate (101), two No. 1 support plates (102) are fixedly connected to the upper surface of the fixed base plate (101), a limiting cylinder (103) is fixedly connected to the upper end of the No. 1 support plate (102), a No. 1 installation groove (104) is opened in the limiting cylinder (103), a groove (106) is opened below the limiting cylinder (103), a connecting rod (105) is fixedly connected between the two No. 1 support plates (102), a fixed crossbar (107) is fixedly connected to the outer wall of the middle part of the connecting rod (105), and a No. 2 installation groove (108) is opened on the upper surface of the fixed crossbar (107).
2. The mounting device for a rubber bushing of a lower control arm in an automobile according to claim 1, characterized in that: The limiting mechanism (200) includes a lower slider (211), which is slidably mounted on a fixed crossbar (107). An L-shaped connecting rod (208) is fixedly connected to the upper surface of the lower slider (211), and the L-shaped connecting rod (208) is located in a groove (106).
3. The mounting device for a rubber bushing of a lower control arm in automobiles according to claim 2, characterized in that: A second support plate (209) is fixedly connected to one side of the L-shaped connecting rod (208), and a rubber pad (210) is fixedly connected to one side of the second support plate (209). The rubber pad (210) is located in the first mounting groove (104), and a mounting ring (206) is fixedly connected to the upper end of the L-shaped connecting rod (208).
4. The mounting device for a rubber bushing of a lower control arm in an automobile according to claim 3, characterized in that: A telescopic rod (207) is slidably installed inside the mounting ring (206). An upper connecting rod (205) is rotatably installed at the lower end of the telescopic rod (207). The upper connecting rod (205) is located above the limiting cylinder (103). A connecting seat (204) is rotatably installed at the lower end of the upper connecting rod (205). A limiting ring (203) is fixedly connected to the lower surface of the connecting seat (204). The limiting ring (203) is located on one side of the first mounting groove (104).
5. The mounting device for a rubber bushing of a lower control arm in an automobile according to claim 4, characterized in that: The limiting ring (203) has side plates (201) fixedly connected to both ends. A limiting rod (202) is slidably installed at one end of the side plate (201). The limiting rod (202) is fixedly connected to the upper surface of the limiting cylinder (103).
6. The mounting device for a rubber bushing of a lower control arm in automobiles according to claim 1, characterized in that: The positioning mechanism (300) includes two connecting sheet metals (301), which are respectively fixed to the two sides of the lower slider (211). A side connecting rod (307) is fixed to the connecting sheet metal (301), and an electric push rod (308) is fixed to one side of the lower slider (211). The electric push rod (308) is fixed to the inner wall of the second mounting groove (108).
7. The mounting device for a rubber bushing of a lower control arm in an automobile according to claim 6, characterized in that: A rotating shaft (304) is rotatably mounted on the upper surface of the side connecting rod (307). A driven gear (305) is fixedly connected to the lower end of the rotating shaft (304). A side toothed plate (306) is meshed with one side of the driven gear (305). The side toothed plate (306) is fixedly connected to both sides of the first support plate (102).
8. The mounting device for a rubber bushing of a lower control arm in an automobile according to claim 7, characterized in that: A connector (303) is fixedly connected to the upper end of the rotating shaft (304), and a limiting bracket (302) is fixedly connected to one side of the upper end of the connector (303). The limiting bracket (302) is located on one side of the limiting cylinder (103).