Automobile actuator with dustproof mechanism

By combining a sealing gasket, a connecting plate, and a dust cover, the problem of inconvenient cleaning of existing automotive actuator dust covers is solved, achieving convenient cleaning and efficient dust prevention, and improving the operational stability and lubrication of the actuator.

CN224311714UActive Publication Date: 2026-06-02KUNSHAN KINGDA PRECISION MOLDING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN KINGDA PRECISION MOLDING CO LTD
Filing Date
2025-06-13
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing dust covers for automotive actuators tend to accumulate dust and foreign objects during use, making them inconvenient to clean and offering limited dust protection.

Method used

It adopts a combination structure of sealing gasket, connecting plate, adjusting sleeve and dust cover. It can be quickly installed and positioned by the cooperation of the locking block and the locking groove. The adjusting sleeve made of silicone material and smooth surface treatment makes it easy to clean. At the same time, an oil inlet is set in the dust cover for adding lubricating oil to ensure smoothness.

Benefits of technology

It achieves convenient cleaning and dust prevention, ensures normal operation of the actuator, and improves the service life of the dust cover and the ease of adding lubricating oil.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224311714U_ABST
Patent Text Reader

Abstract

The utility model discloses a car executor with dustproof mechanism, including executor shell, the top of executor shell is provided with the mounting groove, the inner wall of mounting groove is provided with the mounting hole, the inner wall fixed connection of mounting groove has the clamping block, the inside slide connection of mounting groove has the sealing washer, the top of sealing washer is provided with the connecting plate. The utility model discloses through placing sealing washer, connecting plate into mounting groove in proper order, realizes quick installation and positioning through the cooperation of clamping block and the slot, makes first bolt and utilizes the tool and is screwed into the mounting hole to sealing washer and connecting plate are penetrated, thereby realizes the connection fixed of dust cover and executor shell, when executor works, through adjusting rubber sleeve and dust cover dustproof to it, because its surface adopts the smooth surface treatment, makes when cleaning more convenient, and adjusts the rubber sleeve to adopt silica gel material to work thereby adapts the inside part, guarantees the normal operation of executor.
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Description

Technical Field

[0001] This utility model relates to the field of automotive actuator technology, specifically an automotive actuator with a dustproof mechanism. Background Technology

[0002] Automotive actuators are core components of automotive automatic control systems, responsible for receiving sensor signals and executing corresponding control actions. Actuators play a crucial role in automobiles and are widely used in various control systems, such as braking systems, steering systems, and suspension systems.

[0003] According to publication number CN219413324U, a clutch actuator with a dustproof structure includes an actuator push rod, an annular pressure plate, a dust cover, and an end cap. The dust cover is fitted onto the annular side of the actuator push rod. Positioning plates are provided at both ends of the dust cover. An annular pressure plate is provided at the connection between the dust cover and the clutch actuator housing. An end cap is provided on the right side of the dust cover. The end cap and the dust cover are fixedly connected by a connecting plate. Alloy patches and steel wire rings are provided inside the dust cover. This utility model has a reasonable structure and adopts a split assembly structure, which facilitates the installation and fixing of the protective cover and facilitates its disassembly and replacement later. Furthermore, the added reinforcing members enhance the structural strength of the protective cover, improve its service life, and enhance its dustproof effect.

[0004] The dust cover can achieve the dustproof effect of the actuator. However, since the dust cover adopts a telescopic wave-shaped structure, the adjacent pipe sections of the dust cover form an angle, which makes it easy for dust and foreign objects to accumulate during use, making it inconvenient to clean. Utility Model Content

[0005] The purpose of this invention is to provide an automotive actuator with a dustproof mechanism to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automotive actuator with a dustproof mechanism, comprising an actuator housing, a mounting groove on the top of the actuator housing, a mounting hole on the inner wall of the mounting groove, a locking block fixedly connected to the inner wall of the mounting groove, a sealing gasket slidably connected inside the mounting groove, a connecting plate on the top of the sealing gasket, a locking groove on the surface of the connecting plate, a first bolt threadedly connected to the middle of the connecting plate, an adjusting sleeve fixedly connected to the top of the connecting plate, a dust cover fixedly connected to the top of the adjusting sleeve, and steel wire rings fixedly connected inside both the dust cover and the adjusting sleeve.

[0007] As a further preferred embodiment of this technical solution, the number of mounting holes is four, the four mounting holes are adapted to the first bolt, the locking block is adapted to the locking groove, the adjusting sleeve adopts a conical structure, and the adjusting sleeve is made of silicone material.

[0008] As a further preferred embodiment of this technical solution, a piston is slidably connected inside the actuator housing, a connecting sleeve is fixedly connected to the top of the piston, an anti-detachment block is slidably connected inside the connecting sleeve, a first annular boss is fixedly connected to the top of the anti-detachment block, and a first opening groove is formed on the top of the first annular boss.

[0009] As a further preferred embodiment of this technical solution, the connecting sleeve adopts an annular structure, the interior of the first annular boss is provided with a spherical groove, and the number of the first opening grooves is multiple.

[0010] As a further preferred embodiment of this technical solution, a first ball head is rotatably connected inside the first annular boss, a push rod is fixedly connected to the top of the first ball head, and a second ball head is fixedly connected to the top of the push rod.

[0011] As a further preferred embodiment of this technical solution, the top of the dust cover is provided with a dust cover, the inner wall of the dust cover is fixedly connected with a second annular boss, the bottom of the second annular boss is provided with a second opening groove, the middle of the dust cover is threaded with a second bolt, the inner wall of the dust cover is fixedly connected with an oil inlet, and the inside of the oil inlet is slidably connected with a sealing plug.

[0012] As a further preferred embodiment of this technical solution, the second annular boss and the second ball head are adapted to each other, the second bolt and the dust cover are threaded together, and the oil inlet and the second annular boss form an oil inlet channel.

[0013] This utility model provides an automotive actuator with a dustproof mechanism, which has the following beneficial effects:

[0014] (1) This utility model achieves quick installation and positioning by placing the sealing gasket and connecting plate into the mounting groove in sequence, and by using the cooperation of the locking block and the locking groove, so that the first bolt passes through the sealing gasket and the connecting plate, and is screwed into the mounting hole with a tool, thereby achieving the connection and fixation of the dust cover and the actuator housing. When the actuator is working, the dust is prevented by adjusting the rubber sleeve and the dust cover. Since its surface is smooth, it is easier to clean. The adjusting rubber sleeve is made of silicone material, which is compatible with the internal parts and ensures the normal operation of the actuator.

[0015] (2) This utility model presses the second ball head into the spherical groove of the second annular boss, and uses the second bolt to fix the position of the dust cover and dust cover. An oil inlet is provided inside the dust cover. After the sealing plug is pulled out, lubricating oil can be added to the second annular boss through the oil inlet, thereby mechanically lubricating the connection between the push rod, the first ball head and the second ball head, and ensuring smoothness during operation. Attached Figure Description

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

[0017] Figure 2 This is a schematic diagram of the actuator housing and the first annular boss structure of this utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 4 This is a schematic diagram of the structure of the dust cover and dust cap of this utility model;

[0020] Figure 5 This is a schematic diagram of the oil inlet and sealing plug structure of this utility model.

[0021] In the diagram: 1. Actuator housing; 2. Mounting groove; 3. Mounting hole; 4. Clamping block; 5. Sealing gasket; 6. Connecting plate; 7. Clamping groove; 8. First bolt; 9. Adjusting rubber sleeve; 10. Dust cover; 11. Steel wire ring; 12. Piston; 13. Connecting sleeve; 14. Anti-detachment block; 15. First annular boss; 16. First opening groove; 17. First ball head; 18. Push rod; 19. Second ball head; 20. Dust cover; 21. Second annular boss; 22. Second opening groove; 23. Second bolt; 24. Oil inlet; 25. Sealing plug. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] This utility model provides a technical solution: such as Figure 1 and Figure 5As shown, in this embodiment, an automotive actuator with a dustproof mechanism includes an actuator housing 1. The top of the actuator housing 1 is provided with a mounting groove 2, and the inner wall of the mounting groove 2 is provided with a mounting hole 3. A locking block 4 is fixedly connected to the inner wall of the mounting groove 2. A sealing gasket 5 is slidably connected inside the mounting groove 2. A connecting plate 6 is provided on the top of the sealing gasket 5. A locking groove 7 is provided on the surface of the connecting plate 6. A first bolt 8 is threadedly connected to the middle of the connecting plate 6. An adjusting sleeve 9 is fixedly connected to the top of the connecting plate 6. A dust cover 10 is fixedly connected to the top of the adjusting sleeve 9. Steel wire rings 11 are fixedly connected inside both the dust cover 10 and the adjusting sleeve 9.

[0024] By sequentially placing the sealing gasket 5 and connecting plate 6 into the mounting groove 2, and using the cooperation of the locking block 4 and the locking groove 7, quick installation and positioning are achieved, allowing the first bolt 8 to pass through the sealing gasket 5 and connecting plate 6, and then screwing it into the mounting hole 3 with a tool, thereby achieving the connection and fixation between the dust cover 10 and the actuator housing 1. When the actuator is working, the dust cover 10 is protected from dust by adjusting the rubber sleeve 9. Since its surface is smooth, it is easy to clean, and the adjusting rubber sleeve 9 is made of silicone material, which has a certain degree of extensibility, thus adapting to the operation of internal parts and ensuring the normal operation of the actuator.

[0025] There are four mounting holes 3, which are matched with the first bolt 8. The locking block 4 is matched with the locking groove 7. The adjusting sleeve 9 adopts a conical structure and is made of silicone.

[0026] A piston 12 is slidably connected inside the actuator housing 1. A connecting sleeve 13 is fixedly connected to the top of the piston 12. An anti-detachment block 14 is slidably connected inside the connecting sleeve 13. A first annular boss 15 is fixedly connected to the top of the anti-detachment block 14. A first opening groove 16 is provided on the top of the first annular boss 15.

[0027] The connecting sleeve 13 adopts an annular structure, the first annular boss 15 is provided with a spherical groove inside, and the number of first opening grooves 16 is multiple.

[0028] The first annular boss 15 is rotatably connected to a first ball head 17, the top of the first ball head 17 is fixedly connected to a push rod 18, and the top of the push rod 18 is fixedly connected to a second ball head 19.

[0029] The top of the dust cover 10 is provided with a dust cover 20. The inner wall of the dust cover 20 is fixedly connected with a second annular boss 21. The bottom of the second annular boss 21 is provided with a second opening groove 22. The middle of the dust cover 20 is threadedly connected with a second bolt 23. The inner wall of the dust cover 20 is fixedly connected with an oil inlet 24. The inside of the oil inlet 24 is slidably connected with a sealing plug 25.

[0030] By pressing the second ball head 19 into the spherical groove of the second annular boss 21, the positions of the dust cover 20 and the dust cover 10 are fixed by the second bolt 23. An oil inlet 24 is provided inside the dust cover 20. After the sealing plug 25 is pulled out, lubricating oil can be added to the second annular boss 21 through the oil inlet 24, thereby providing mechanical lubrication to the connection between the push rod 18, the first ball head 17 and the second ball head 19, ensuring smoothness during operation and improving the convenience of adding lubricating oil.

[0031] The second annular boss 21 is adapted to the second ball head 19, the second bolt 23 is threadedly connected to the dust cover 10, and the oil inlet 24 and the second annular boss 21 form an oil inlet channel.

[0032] This utility model provides an automotive actuator with a dustproof mechanism, the specific working principle of which is as follows:

[0033] In use, the sealing gasket 5 and connecting plate 6 are placed into the mounting groove 2 in sequence. The locking block 4 and the locking groove 7 cooperate to achieve quick installation and positioning. The first bolt 8 passes through the sealing gasket 5 and the connecting plate 6, and is screwed into the mounting hole 3 with a tool to complete the installation of the dust cover 10. The push rod 18 is installed in the spherical grooves of the first annular boss 15 and the second annular boss 21 through the first ball head 17 and the second ball head 19 respectively. The first annular boss 15 is installed inside the connecting sleeve 13 through the anti-detachment block 14. At this time, the dust cover 20 and the dust cover 10 are in contact. The second bolt 23 is used to fix the position of the two. When the actuator is working, the rubber sleeve 9 and the dust cover 10 are adjusted to prevent dust. After the sealing plug 25 is pulled out, lubricating oil can be added to the second annular boss 21 through the oil inlet 24 to mechanically lubricate the connection between the push rod 18, the first ball head 17 and the second ball head 19.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automotive actuator with a dustproof mechanism, comprising an actuator housing (1), characterized in that: The actuator housing (1) has a mounting groove (2) on its top, and a mounting hole (3) on its inner wall. A locking block (4) is fixedly connected to the inner wall of the mounting groove (2). A sealing gasket (5) is slidably connected inside the mounting groove (2). A connecting plate (6) is provided on the top of the sealing gasket (5). A locking groove (7) is provided on the surface of the connecting plate (6). A first bolt (8) is threadedly connected to the middle of the connecting plate (6). An adjusting rubber sleeve (9) is fixedly connected to the top of the connecting plate (6). A dust cover (10) is fixedly connected to the top of the adjusting rubber sleeve (9). A steel wire ring (11) is fixedly connected inside both the dust cover (10) and the adjusting rubber sleeve (9).

2. The automotive actuator with a dustproof mechanism according to claim 1, characterized in that: The number of mounting holes (3) is set to four, the four mounting holes (3) are adapted to the first bolt (8), the locking block (4) is adapted to the locking groove (7), the adjusting sleeve (9) adopts a conical structure, and the adjusting sleeve (9) is made of silicone.

3. The automotive actuator with a dustproof mechanism according to claim 1, characterized in that: A piston (12) is slidably connected inside the actuator housing (1). A connecting sleeve (13) is fixedly connected to the top of the piston (12). An anti-detachment block (14) is slidably connected inside the connecting sleeve (13). A first annular boss (15) is fixedly connected to the top of the anti-detachment block (14). A first opening groove (16) is opened on the top of the first annular boss (15).

4. The automotive actuator with a dustproof mechanism according to claim 3, characterized in that: The connecting sleeve (13) adopts an annular structure, the first annular boss (15) is provided with a spherical groove inside, and the number of the first opening grooves (16) is multiple.

5. A car actuator with a dustproof mechanism according to claim 4, characterized in that: The first annular boss (15) is rotatably connected to a first ball head (17), and a push rod (18) is fixedly connected to the top of the first ball head (17). The top of the push rod (18) is fixedly connected to a second ball head (19).

6. An automotive actuator with a dustproof mechanism according to claim 1, characterized in that: The dust cover (10) is provided with a dust cover (20) at the top. A second annular boss (21) is fixedly connected to the inner wall of the dust cover (20). A second opening groove (22) is provided at the bottom of the second annular boss (21). A second bolt (23) is threadedly connected to the middle of the dust cover (20). An oil inlet (24) is fixedly connected to the inner wall of the dust cover (20). A sealing plug (25) is slidably connected inside the oil inlet (24).

7. An automotive actuator with a dustproof mechanism according to claim 6, characterized in that: The second annular boss (21) and the second ball head (19) are adapted to each other, the second bolt (23) and the dust cover (10) are threaded together, and the oil inlet (24) and the second annular boss (21) form an oil inlet channel.