Anti-loosening worm connecting device of automobile window lifting system

Abstract

The invention relates to the technical field of automobile parts, in particular to an automobile window lifting system anti-loosening worm connecting device which comprises a mounting shell, a fastening structure is arranged on the inner side of the mounting shell, a control structure is arranged on the side face of the fastening structure, a lubricating structure is arranged on the bottom side of the mounting shell, and a supporting structure is arranged on the side face of the mounting shell. The stability degree of the worm can be improved through the fastening structure, loosening is avoided, the driving mode of the car window can be changed through the control structure, the car window can be conveniently opened in emergency, lubrication can be continuously conducted between the worm gear and the worm through the lubricating structure, the rotating smoothness of the worm is improved, and then the transmission stability is improved; through the supporting structure, the overall installation stability of the device in the vehicle door can be improved, and the stability of the vehicle window system is improved.

Description

Technical Field

[0001] This invention relates to the field of automotive parts technology, specifically to an anti-loosening worm gear connection device for an automotive window lift system. Background Technology

[0002] The power window lift system is a fundamental comfort and safety feature in modern automobiles. Its core drive component typically integrates a permanent magnet DC motor with a worm gear reducer. In this system, the worm gear, as a key transmission component, converts the high-speed rotation of the motor into a high-torque, low-speed output from the worm gear, which then drives the glass bracket or steel cable via a shaft, achieving smooth raising and lowering of the window. Due to its large transmission ratio, compact structure, and reverse self-locking characteristics, the worm gear mechanism is widely used in applications requiring precise positioning and holding.

[0003] The reliability of the connection between the worm gear and the motor output shaft directly affects the transmission efficiency, operating noise, and service life of the entire system. Under frequent start-stop cycles and vibration loads, the worm gear is prone to axial movement or even loosening, leading to increased transmission clearance, abnormal noise, and in severe cases, functional failure, affecting driving safety. Simultaneously, while the self-locking characteristic of the worm gear ensures the window can reliably stop at any position, in emergency situations (such as traffic accidents or electrical system failures) where the door cannot be opened normally, passengers cannot manually lower the window, hindering rapid escape or rescue, posing a safety hazard. Worm gear pairs are sliding friction drives, making them highly sensitive to lubrication. Poor lubrication leads to increased friction, excessive temperature rise, decreased transmission efficiency, and even premature wear and jamming. Existing systems often use periodic manual oiling or grease lubrication, which is not only inconvenient to maintain but also makes it difficult to ensure continuous and uniform lubrication, affecting long-term operational reliability. Summary of the Invention

[0004] To address the problems in the prior art, the present invention provides an anti-loosening worm gear connection device for an automotive window lifting system.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an anti-loosening worm gear connection device for an automobile window lifting system, including a mounting shell, a fastening structure on the inner side of the mounting shell, a control structure on the side of the fastening structure, a lubrication structure on the bottom side of the mounting shell, and a support structure on the side of the mounting shell.

[0006] Specifically, the fastening structure includes a worm gear, which is rotatably connected to the inner side of the mounting housing. A worm wheel meshes with the side of the worm gear, and a rotating shaft is provided in the middle of the worm wheel. The rotating shaft is rotatably connected to the mounting housing. A push sleeve is rotatably connected to the end of the worm gear. Multiple balls are rolledly connected to the inner side of the push sleeve. The push sleeve abuts against the end of the worm gear through the balls. A first spring is fixedly connected between the end of the push sleeve and the mounting housing.

[0007] Specifically, the control structure includes plug rods, two plug rods are symmetrically slidably connected in the middle of the rotating shaft, a third spring is fixedly connected between the ends of the two plug rods, and a plug groove is opened on the inner side of the worm gear corresponding to the plug rods, and the end of the plug rod engages with the worm gear through the plug groove.

[0008] Specifically, a release slider is slidably connected to each side of the worm gear. Both ends of the release slider are arc-shaped. One end of the release slider abuts against the end of the adjacent plug rod. A receiving groove is provided on the inner side of the mounting shell. The receiving groove is circular. The release slider is slidably connected to the mounting shell through the receiving groove.

[0009] Specifically, a limiting groove is provided on the inner side of the mounting shell, and a sliding frame is slidably connected to the mounting shell through the limiting groove. The sliding frame has a "U" shaped structure, and a release groove is provided at each end of the sliding frame. The release groove has an arc-shaped structure, and a second spring is fixedly connected between the end of the sliding frame and the mounting shell.

[0010] Specifically, a control column is rotatably connected to the side of the mounting shell, a drive groove is provided in the middle of the sliding frame, and a cylindrical protrusion is provided eccentrically at the end of the control column. The protrusion on the side of the control column is slidably connected to the sliding frame through the drive groove.

[0011] Specifically, the lubrication structure includes an oil reservoir, which is fixedly connected to the bottom side of the mounting shell. An oil-absorbing felt is provided in the middle of the oil reservoir, and the top side of the oil-absorbing felt abuts against the side of the worm gear. A compression strip is slidably connected to each side of the oil reservoir, and a fourth spring is fixedly connected between the compression strip and the oil reservoir. The side of the compression strip abuts against the oil-absorbing felt.

[0012] Specifically, the oil storage box has an addition tube at its end, and a threaded groove is provided on the side of the addition tube. The addition tube is threadedly connected to the oil storage box through the threaded groove. A second sealing gasket is fixedly connected to the side of the addition tube, and the addition tube abuts against the end of the oil storage box through the second sealing gasket.

[0013] Specifically, a first sealing gasket is fixedly connected to the end of the adding tube, the adding tube is slidably connected to the inner side of the oil storage box through the first sealing gasket, an oil filling hole is opened on the side of the adding tube, a positioning block is fixedly connected to the side of the adding tube, and a positioning groove is opened at the end of the oil storage box corresponding to the positioning block.

[0014] Specifically, the support structure includes a support block, which is slidably connected to the side of the mounting shell. The support block has inclined grooves on both sides, and a pushing block is slidably connected to the support block through the inclined grooves.

[0015] Specifically, a guide groove is provided on the inner side of the mounting shell, and the pushing block is slidably connected to the mounting shell through the guide groove. An adjusting screw is threadedly connected to the middle of the pushing block, and the adjusting screw is rotatably connected to the mounting shell.

[0016] The beneficial effects of this invention are:

[0017] (1) The anti-loosening worm gear connection device for automobile window lifting system of the present invention has a fastening structure on the inner side of the mounting shell and a control structure on the side of the fastening structure. The fastening structure can improve the stability of the worm gear and prevent loosening. The control structure can change the driving mode of the window and facilitate the opening of the window in an emergency.

[0018] (2) The anti-loosening worm gear connection device for automobile window lifting system of the present invention has a lubrication structure on the bottom side of the mounting shell. The lubrication structure can continuously lubricate the worm wheel and the worm, improve the smoothness of the worm rotation and thus improve the transmission stability.

[0019] (3) The anti-loosening worm gear connection device for automobile window lifting system described in this invention has a support structure on the side of the mounting shell. The support structure can improve the overall stability of the device when installed inside the car door, thereby improving the stability of the window system. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the connection structure between the worm gear and the worm of the present invention;

[0022] Figure 3 for Figure 2 The diagram shows an enlarged view of part A.

[0023] Figure 4 This is a schematic diagram of the connection structure between the mounting shell and the sliding frame of the present invention;

[0024] Figure 5 for Figure 4The diagram shows an enlarged view of part B.

[0025] Figure 6 This is a schematic diagram of the connection structure between the worm gear and the shaft of the present invention;

[0026] Figure 7 for Figure 6 The diagram shows an enlarged view of section C.

[0027] Figure 8 This is a schematic diagram of the connection structure between the mounting shell and the support block of the present invention.

[0028] In the diagram: 1. Mounting housing; 2. Fastening structure; 201. Worm gear; 202. Worm wheel; 203. Push sleeve; 204. Ball bearing; 205. First spring; 3. Control structure; 301. Control post; 302. Sliding frame; 303. Limiting groove; 304. Second spring; 305. Drive groove; 306. Connecting rod; 307. Third spring; 308. Connecting groove; 309. Release slider; 310. Receiving groove; 311. Release... 4. Lubrication structure; 401. Adding pipe; 402. Oil reservoir; 403. Extrusion strip; 404. First sealing gasket; 405. Threaded groove; 406. Oil injection hole; 407. Positioning block; 408. Positioning groove; 409. Second sealing gasket; 410. Oil-absorbing felt; 411. Fourth spring; 5. Support structure; 501. Support block; 502. Pushing block; 503. Adjusting screw; 504. Guide groove; 505. Inclined groove. Detailed Implementation

[0029] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0030] like Figure 2 , Figure 3 As shown, the anti-loosening worm gear connection device for a car window lifting system according to the present invention includes a mounting shell 1, a fastening structure 2 on the inner side of the mounting shell 1, a control structure 3 on the side of the fastening structure 2, a lubrication structure 4 on the bottom side of the mounting shell 1, and a support structure 5 on the side of the mounting shell 1.

[0031] Specifically, such as Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7As shown, the fastening structure 2 includes a worm 201, which is rotatably connected to the inner side of the mounting shell 1. A worm wheel 202 meshes with the side of the worm 201. A rotating shaft 206 is provided in the middle of the worm wheel 202. The rotating shaft 206 is rotatably connected to the mounting shell 1. A push sleeve 203 is rotatably connected to the end of the worm 201. A plurality of balls 204 are rolledly connected to the inner side of the push sleeve 203. The push sleeve 203 abuts against the end of the worm 201 through the balls 204. A first spring 205 is fixedly connected between the end of the push sleeve 203 and the mounting shell 1.

[0032] The worm gear 202 and worm 201 used for transmission are installed in the mounting housing 1. After the mounting housing 1 is installed on the inside of the car door, the end of the worm 201 is connected to the drive motor. The rotating shaft 206 in the middle of the worm gear 202 drives the bracket of the car window. In order to ensure a stable connection between the worm 201 and the output shaft of the drive motor and to avoid loosening after long-term use, a push sleeve 203 is sleeved on the other end of the worm 201. The inner side of the push sleeve 203 is rotatably connected to the worm 201 through the ball bearing 204. The first spring 205 at the end of the push sleeve 203 can apply pressure to the end of the worm 201, thereby preventing the worm 201 from loosening.

[0033] Specifically, such as Figure 1 , Figure 2 , Figure 4 , Figure 5 As shown, the control structure 3 includes plug rods 306. Two plug rods 306 are symmetrically slidably connected to the middle of the rotating shaft 206. A third spring 307 is fixedly connected between the ends of the two plug rods 306. A plug groove 308 is opened on the inner side of the worm gear 202 corresponding to the plug rods 306. The ends of the plug rods 306 are engaged with the worm gear 202 through the plug grooves 308. A release slider 309 is slidably connected to each side of the worm gear 202. Both ends of the release slider 309 are arc-shaped. One end of the release slider 309 abuts against the end of the adjacent plug rod 306. A receiving groove 310 is opened on the inner side of the mounting shell 1. The receiving groove 310 is circular. The release slider 309 passes through... The receiving groove 310 is slidably connected to the mounting shell 1. A limiting groove 303 is provided on the inner side of the mounting shell 1. A sliding frame 302 is slidably connected to the mounting shell 1 through the limiting groove 303. The sliding frame 302 has a "U" shaped structure. A release groove 311 is provided at each end of the sliding frame 302. The release groove 311 has an arc-shaped structure. A second spring 304 is fixedly connected between the end of the sliding frame 302 and the mounting shell 1. A control column 301 is rotatably connected to the side of the mounting shell 1. A drive groove 305 is provided in the middle of the sliding frame 302. A cylindrical protrusion is provided eccentrically at the end of the control column 301. The protrusion on the side of the control column 301 is slidably connected to the sliding frame 302 through the drive groove 305.

[0034] The rotating shaft 206 and the worm gear 202 are connected via a connector rod 306 and a connector slot 308. When the end of the connector rod 306 is inserted into the connector slot 308 inside the worm gear 202, the rotating shaft 206 and the worm gear 202 can rotate synchronously. At this time, the worm 201 can normally drive the worm gear 202 to rotate. However, because the window driven by the rotating shaft 206 uses the transmission method of worm gear 202 and worm 201, the window cannot be raised or lowered independently. To improve safety, in case of an emergency where the door cannot be opened, the control column 301 on the side of the mounting housing 1 is connected to the control components on the inside of the door. By rotating the control column... 301. The cylindrical protrusion on the side of the control column 301 will slide in the drive groove 305 in the middle of the sliding frame 302, and at the same time drive the sliding frame 302 to slide to the other end of the limit groove 303. At this time, the release groove 311 on the inner side of the sliding frame 302 will be offset from the release slider 309. Since the release slider 309 is in a vertical state when the window is closed, the sliding frame 302 will push the release slider 309 to slide and push the plug rod 306 to retract to the inner side of the rotating shaft 206. At this time, the rotating shaft 206 and the worm gear 202 can rotate independently, so that the driver can directly lower the window, which is convenient for people to escape quickly in dangerous situations.

[0035] Specifically, such as Figure 1 , Figure 3 , Figure 7 As shown, the lubrication structure 4 includes an oil reservoir 402. The oil reservoir 402 is fixedly connected to the bottom side of the mounting shell 1. An oil-absorbing felt 410 is provided in the middle of the oil reservoir 402. The top side of the oil-absorbing felt 410 abuts against the side of the worm gear 201. A compression strip 403 is slidably connected to each side of the oil reservoir 402. A fourth spring 411 is fixedly connected between the compression strip 403 and the oil reservoir 402. The side of the compression strip 403 abuts against the oil-absorbing felt 410. An adding tube 401 is provided at the end of the oil reservoir 402. A threaded groove 405 is opened on the side of the adding tube 401. The adding tube 401 passes through... The oil reservoir 402 is threadedly connected to the threaded groove 405. A second sealing gasket 409 is fixedly connected to the side of the adding tube 401. The adding tube 401 abuts against the end of the oil reservoir 402 through the second sealing gasket 409. A first sealing gasket 404 is fixedly connected to the end of the adding tube 401. The adding tube 401 is slidably connected to the inner side of the oil reservoir 402 through the first sealing gasket 404. An oil filling hole 406 is opened on the side of the adding tube 401. A positioning block 407 is fixedly connected to the side of the adding tube 401. A positioning groove 408 is opened at the end of the oil reservoir 402 corresponding to the positioning block 407.

[0036] The bottom end of the oil-absorbing felt 410 is immersed in the liquid lubricating oil in the oil reservoir 402, while the top side of the oil-absorbing felt 410 abuts against the side of the worm gear 201. Through the diffusion of the lubricating oil within the oil-absorbing felt 410, the oil-absorbing felt 410 can continuously lubricate the worm gear 201, ensuring smooth transmission between the worm wheel 202 and the worm gear 201. A compression strip 403 is provided on each side of the oil reservoir 402. The compression strip 403, through a fourth spring 411, appropriately compresses the oil-absorbing felt 410, thereby reducing the diffusion rate of the lubricating oil by the oil-absorbing felt 410 and controlling the consumption rate of the lubricating oil. Furthermore, the end of the oil reservoir 402 is connected by a threaded groove... The addition tube 401 is fixed in place at 405. The end of the addition tube 401 is sealed by the second sealing gasket 409. When lubricating oil needs to be added, the user can unscrew the threaded groove 405 part of the addition tube 401 from the oil reservoir 402, and then slide the addition tube 401 so that the positioning block 407 on the side of the addition tube 401 slides into the positioning groove 408, thereby exposing the oil filling hole 406 on the side of the addition tube 401 and keeping it in a top-facing state. The end of the addition tube 401 located inside the oil reservoir 402 is sealed by the first sealing gasket 404. At this time, the user can add lubricating oil through the oil filling hole 406, which is convenient to use.

[0037] Specifically, such as Figure 1 , Figure 2 , Figure 8 As shown, the support structure 5 includes a support block 501. The support block 501 is slidably connected to the side of the mounting shell 1. Inclined grooves 505 are provided on both sides of the support block 501. A pushing block 502 is slidably connected to the support block 501 through the inclined grooves 505. A guide groove 504 is provided on the inner side of the mounting shell 1. The pushing block 502 is slidably connected to the mounting shell 1 through the guide groove 504. An adjusting screw 503 is threadedly connected to the middle of the pushing block 502. The adjusting screw 503 is rotatably connected to the mounting shell 1.

[0038] When the mounting housing 1 is installed on the inside of the car door, a support block 501 is provided on the side of the mounting housing 1 to improve its stability. By rotating the adjusting screw 503, the pushing block 502 can be driven to slide in the guide groove 504. At this time, the end of the pushing block 502 will push the support block 501 through the inclined groove 505, thereby causing the support block 501 to slide out to the side, thus supporting the side of the mounting housing 1 and the inside of the car door. Since the extension length of the support block 501 can be adjusted, it is convenient to install different sizes of car doors.

[0039] In use, the worm gear 202 and worm 201 for transmission are first installed in the mounting housing 1. After the mounting housing 1 is installed on the inside of the car door, the end of the worm 201 is connected to the drive motor. The rotating shaft 206 in the middle of the worm gear 202 drives the window bracket. To ensure a stable connection between the worm 201 and the output shaft of the drive motor and to prevent loosening after long-term use, a push sleeve 203 is sleeved on the other end of the worm 201. The inner side of the push sleeve 203 is rotatably connected to the worm 201 through a ball bearing 204. The first spring 205 at the end of the push sleeve 203 can apply pressure to the end of the worm 201, thereby preventing the worm 201 from loosening. The rotating shaft 206 in the middle of the worm gear 202... A rotating shaft 206 is connected to a worm gear 202 via a connector rod 306 and a connector slot 308. When the end of the connector rod 306 is inserted into the connector slot 308 inside the worm gear 202, the rotating shaft 206 and the worm gear 202 can rotate synchronously. At this time, the worm 201 can drive the worm gear 202 to rotate normally. However, the window driven by the rotating shaft 206 cannot be raised or lowered independently due to the transmission method of the worm gear 202 and worm 201. To improve safety, in case of an emergency where the door cannot be opened, the control column 301 on the side of the mounting housing 1 is connected to the control components on the inside of the door. By rotating the control column 301, the cylindrical protrusion on the side of the control column 301 will move against the sliding bracket 3. The drive groove 305 in the middle of 02 slides, which simultaneously drives the sliding bracket 302 to slide to the other end of the limiting groove 303. At this time, the release groove 311 on the inner side of the sliding bracket 302 will be offset from the release slider 309. Since the release slider 309 is in a vertical state when the window is closed, the sliding bracket 302 will push the release slider 309 to slide and push the plug rod 306 to retract to the inner side of the rotating shaft 206. At this time, the rotating shaft 206 and the worm gear 202 can rotate independently, so that the driver can directly lower the window, which is convenient for people to escape quickly in dangerous situations. An oil collection box 402 is provided on the bottom side of the worm gear 201, and an oil-absorbing felt 410 is provided on the top side of the oil collection box 402. The bottom end of the oil-absorbing felt 410 is immersed in the oil collection box 402. In the liquid lubricating oil, the top side of the oil-absorbing felt 410 abuts against the side of the worm gear 201. Through the diffusion of lubricating oil within the oil-absorbing felt 410, the oil-absorbing felt 410 can continuously lubricate the worm gear 201, ensuring smooth transmission between the worm wheel 202 and the worm gear 201. A compression strip 403 is provided on each side of the oil reservoir 402. The compression strip 403, through a fourth spring 411, appropriately compresses the oil-absorbing felt 410, thereby reducing the diffusion rate of the lubricating oil by the oil-absorbing felt 410 and controlling the consumption rate of the lubricating oil. On the other hand, an adding tube 401 is fixed to the end of the oil reservoir 402 through a threaded groove 405. The end of the adding tube 401 is sealed by a second sealing gasket 409. When lubricating oil needs to be added...The user can unscrew the threaded groove 405 of the adding tube 401 from the oil reservoir 402, and then slide the adding tube 401 so that the positioning block 407 on the side of the adding tube 401 slides into the positioning groove 408, thereby exposing the oil filling hole 406 on the side of the adding tube 401 and keeping it in a top-facing position. The end of the adding tube 401 located inside the oil reservoir 402 is sealed by the first sealing gasket 404. At this time, the user can add lubricating oil through the oil filling hole 406, which is convenient to use. When the housing 1 is installed... When installed on the inside of the car door, a support block 501 is provided on the side of the mounting housing 1 to improve its stability. By rotating the adjusting screw 503, the pushing block 502 can slide within the guide groove 504. At this time, the end of the pushing block 502 will push the support block 501 through the inclined groove 505, causing the support block 501 to slide to the side, thus supporting the side of the mounting housing 1 and the inside of the car door. Since the extension length of the support block 501 can be adjusted, it is convenient to install on car doors of different sizes.

[0040] It will be apparent 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 invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A worm gear connecting device for preventing loosening in an automotive window lifting system, characterized in that, It includes an installation shell (1). A fastening structure (2) is provided inside the installation shell (1). A control structure (3) is provided on the side of the fastening structure (2). A lubrication structure (4) is provided on the bottom side of the installation shell (1). A support structure (5) is provided on the side of the installation shell (1). The fastening structure (2) includes a worm (201). The worm (201) is rotatably connected inside the installation shell (1). A worm gear (202) is meshed on the side of the worm (201). A rotating shaft (206) is provided in the middle of the worm gear (202). The rotating shaft (206) is rotatably connected to the installation shell (1). A pushing sleeve (203) is rotatably connected to the end of the worm (201). A plurality of balls (204) are rollingly connected inside the pushing sleeve (203). The pushing sleeve (203) abuts against the end of the worm (201) through the balls (204). A first spring (205) is fixedly connected between the end of the pushing sleeve (203) and the installation shell (1).

2. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 1, characterized in that: The control structure (3) includes a plugging rod (3`06). Two plugging rods (306) are symmetrically and slidably connected in the middle of the rotating shaft (206). A third spring (307) is fixedly connected between the ends of the two plugging rods (306). Plugging grooves (308) are provided in the inner side of the worm gear (202) corresponding to the plugging rods (306). The ends of the plugging rods (306) are engaged with the worm gear (202) through the plugging grooves (308).

3. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 2, characterized in that: One release slider (309) is slidably connected to each of the two sides of the worm gear (202). Both ends of the release slider (309) are in an arc shape. One end of the release slider (309) abuts against the end of the adjacent plugging rod (306). A receiving groove (310) is provided inside the installation shell (1). The receiving groove (310) is in a circular structure. The release slider (309) is slidably connected to the installation shell (1) through the receiving groove (310).

4. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 3, characterized in that: A limiting groove (303) is provided inside the installation shell (1). A sliding frame (302) is slidably connected to the installation shell (1) through the limiting groove (303). The sliding frame (302) is in a "U" shape structure. One release groove (311) is provided at each end of the sliding frame (302). The release groove (311) is in an arc shape. A second spring (304) is fixedly connected between the end of the sliding frame (302) and the installation shell (1).

5. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 4, characterized in that: A control column (301) is rotatably connected to the side of the installation shell (1). A driving groove (305) is provided in the middle of the sliding frame (302). A cylindrical convex block is eccentrically provided at the end of the control column (301). The convex block on the side of the control column (301) is slidably connected to the sliding frame (302) through the driving groove (305).

6. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 1, characterized in that: The lubrication structure (4) includes an oil reservoir (402). The oil reservoir (402) is fixedly connected to the bottom side of the mounting shell (1). An oil-absorbing felt (410) is provided in the middle of the oil reservoir (402). The top side of the oil-absorbing felt (410) abuts against the side of the worm gear (201). A compression strip (403) is slidably connected to each side of the oil reservoir (402). A fourth spring (411) is fixedly connected between the compression strip (403) and the oil reservoir (402). The side of the compression strip (403) abuts against the oil-absorbing felt (410).

7. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 6, characterized in that: The end of the oil storage box (402) is provided with an adding tube (401). The side of the adding tube (401) is provided with a threaded groove (405). The adding tube (401) is threadedly connected to the oil storage box (402) through the threaded groove (405). A second sealing gasket (409) is fixedly connected to the side of the adding tube (401). The adding tube (401) abuts against the end of the oil storage box (402) through the second sealing gasket (409).

8. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 7, characterized in that: The end of the adding tube (401) is fixedly connected to a first sealing gasket (404). The adding tube (401) is slidably connected to the inner side of the oil storage box (402) through the first sealing gasket (404). An oil filling hole (406) is opened on the side of the adding tube (401). A positioning block (407) is fixedly connected to the side of the adding tube (401). A positioning groove (408) is opened at the end of the oil storage box (402) corresponding to the positioning block (407).

9. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 1, characterized in that: The support structure (5) includes a support block (501), and the support block (501) is slidably connected to the side of the mounting shell (1). Inclined grooves (505) are provided on both sides of the support block (501), and a push block (502) is slidably connected to the support block (501) through the inclined grooves (505).

10. The anti-loosening worm gear connection device for an automobile window lifting system according to claim 9, characterized in that: The inner side of the mounting shell (1) is provided with a guide groove (504). The push block (502) is slidably connected to the mounting shell (1) through the guide groove (504). An adjusting screw (503) is threadedly connected to the middle of the push block (502). The adjusting screw (503) is rotatably connected to the mounting shell (1).

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