Motor with telescopic adjusting structure

Abstract

The utility model relates to a motor with a telescopic adjusting structure, and belongs to the field of motors, the motor comprises a motor body, a transmission case and an output shaft, the motor body comprises a circuit board and a rotating shaft, electronic components are installed on the circuit board, the motor further comprises a control assembly, and the rotating shaft drives the output shaft to rotate through the control assembly. The end, away from the motor body, of the rotating shaft is rotationally connected with the transmission box through a bearing, a first gasket is arranged at the end, penetrating through the bearing, of the rotating shaft, and a buffering piece is arranged in the transmission box and used for eliminating a gap between the first gasket and the transmission box. The rotating shaft drives the output shaft to rotate through the control assembly, the buffer piece can apply thrust to the first gasket, the first gasket can apply thrust to the rotating shaft, and the possibility that the rotating shaft moves is reduced.

Description

Technical Field

[0001] The present application relates to the field of motors, and in particular to a motor with a telescopic adjustment structure. Background Art

[0002] In order to adapt to the driving habits of different drivers, the steering wheel of the car usually has a position adjustment function. When driving the steering wheel position adjustment, a motor is generally used. This type of motor mainly includes a motor body, a transmission box with a transmission structure and an output shaft. The motor body drives the output shaft to rotate under the transmission of the transmission structure, and a control block for controlling the movement of the steering wheel is stored on the output shaft. Among them, the transmission structure mainly includes a transmission box and a transmission shaft. The transmission shaft is rotatably connected in the transmission box. The rotating shaft of the motor body extends to the transmission box and is connected to the transmission shaft through gears. The output shaft extends to the transmission box and is also connected to the transmission shaft through gears to transmit the kinetic energy of the rotating shaft of the motor body to the output shaft.

[0003] The above-mentioned related technologies have the following defects: after long-term use, the rotating shaft of the motor body is prone to movement, which affects the normal operation of the motor body and reduces the stability of the motor body during operation. Utility Model Content

[0004] In order to improve the problem that the rotating shaft of the motor body is prone to movement, the present application provides a motor with a telescopic adjustment structure.

[0005] The present application provides a motor with a telescopic adjustment structure adopts the following technical solution:

[0006] A motor with a telescopic adjustment structure includes a motor body, a transmission box and an output shaft. The motor body includes a circuit board and a rotating shaft. The circuit board is for mounting electronic components. The motor body also includes a control component. The rotating shaft drives the output shaft to rotate through the control component. The end of the rotating shaft away from the motor body is rotatably connected to the transmission box through a bearing. A first gasket is provided at one end of the rotating shaft passing through the bearing. A buffer is provided in the transmission box. The buffer is used to eliminate the gap between the first gasket and the transmission box.

[0007] By adopting the above technical solution, the rotating shaft drives the output shaft to rotate through the control component, and the buffer component can buffer the first gasket, eliminate the gap, reduce the possibility of movement of the rotating shaft, facilitate the rotating shaft to drive the output shaft to rotate, improve the stability of the motor body during operation, and facilitate the normal operation of the motor body.

[0008] Preferably, the control component includes a first worm, a first worm wheel, a second worm and a second worm wheel, the first worm, the first worm wheel, the second worm and the second worm wheel are all located in a transmission box, the first worm is fixedly connected to the rotating shaft, the first worm and the first worm wheel cooperate, the first worm wheel and the second worm are fixedly connected, the second worm and the second worm wheel cooperate, and the second worm wheel is fixedly connected to the output shaft.

[0009] By adopting the above technical solution, when the rotating shaft rotates, the rotation of the rotating shaft can drive the rotation of the first worm, the rotation of the first worm can drive the rotation of the first worm wheel, the rotation of the first worm wheel can drive the rotation of the second worm, and the rotation of the second worm can drive the rotation of the second worm wheel, thereby driving the rotation of the output shaft, making it convenient for the output shaft to drive the movement of the steering wheel.

[0010] Preferably, a first rotating shaft is fixedly connected to the first worm gear, a second gasket is provided in the transmission box, and the second gasket is in contact with an end of the first rotating shaft away from the first worm gear.

[0011] By adopting the above technical solution, the second gasket can eliminate the gap, limit the first rotating shaft, and thus limit the first worm gear, reducing the possibility of movement of the first worm gear and improving the stability of the first worm gear during rotation.

[0012] Preferably, a second rotating shaft is fixedly connected to the second worm gear, a third gasket is provided in the transmission box, and the third gasket is in contact with an end of the second rotating shaft away from the second worm gear.

[0013] By adopting the above technical solution, the third gasket can eliminate the gap and limit the second rotation, thereby limiting the second worm, reducing the possibility of movement of the second worm, and improving the stability of the second worm during rotation.

[0014] Preferably, a ball is provided at one end of the output shaft extending into the transmission box, a fourth gasket is provided in the transmission box, and the fourth gasket is in contact with the ball.

[0015] By adopting the above technical solution, the fourth gasket can eliminate the gap, limit the output shaft, and reduce the possibility of the output shaft moving. The ball can reduce the friction between the output shaft and the fourth gasket, facilitate the rotation of the output shaft, and improve the stability of the output shaft during rotation.

[0016] Preferably, the buffer is a rubber block, one end of the rubber block is fixedly connected to the transmission case, and the other end of the rubber block is fixedly connected to the first gasket.

[0017] By adopting the above technical solution, the rubber block can play a buffering role and eliminate the gap between the first gasket and the transmission box. The first gasket can improve the stability of the rotating shaft during rotation and facilitate the rotation of the rotating shaft.

[0018] Preferably, a sleeve is fixedly connected to the second worm gear, and the sleeve is sleeved on the output shaft. A limiting assembly is provided in the transmission box, and the limiting assembly is used to limit the sleeve.

[0019] By adopting the above technical solution, the limiting assembly can limit the sleeve, thereby limiting the second worm gear and the output shaft, further improving the stability of the output shaft during rotation.

[0020] Preferably, the limit assembly includes a limit frame, a limit plate and a spring, the limit frame abuts against the sleeve, the limit plate is provided with a through hole for the sleeve to pass through, one side of the limit plate contacts the limit frame, and the other side contacts the second worm gear, one end of the spring is fixedly connected to the transmission box, and the other end is connected to the limit frame.

[0021] By adopting the above technical solution, the limit plate can limit the sleeve, thereby limiting the output shaft; the spring can apply thrust to the limit frame, the limit frame abuts against the sleeve, and the limit frame can limit the sleeve, thereby limiting the output shaft, thereby improving the stability of the output shaft during rotation.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. Through the arrangement of the control assembly, the first gasket and the buffer, the rotating shaft drives the output shaft to rotate through the control assembly, and the buffer can buffer the first gasket, eliminate the gap, reduce the possibility of the rotating shaft moving, and facilitate the rotating shaft to drive the output shaft to rotate, thereby improving the stability of the motor body during operation and facilitating the normal operation of the motor body;

[0024] 2. Through the arrangement of the ball and the fourth gasket, the fourth gasket can eliminate the gap, limit the output shaft, and reduce the possibility of the output shaft moving. The ball can reduce the friction between the ball and the fourth gasket, which facilitates the rotation of the output shaft and improves the stability of the output shaft during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a motor with a telescopic adjustment structure in an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the connection structure of the Hall element in the embodiment of the present application.

[0027] Figure 3It is a schematic diagram of the connection structure of the magnetic ring in the embodiment of the present application.

[0028] Figure 4 It is a schematic diagram of the connection structure between the rotating shaft and the transmission box in the embodiment of the present application.

[0029] Figure 5 It is a schematic diagram of the internal structure of the transmission box in the embodiment of the present application.

[0030] Figure 6 It is a schematic diagram of the exploded structure used to reflect the limit assembly and the output shaft in the embodiment of the present application.

[0031] Figure 7 It is a schematic diagram of the exploded structure used to reflect the limiting component in the embodiment of the present application.

[0032] Explanation of the accompanying drawings: 1. Motor body; 11. Circuit board; 111. Hall element; 12. Rotating shaft; 121. Magnetic ring; 2. Transmission box; 21. First gasket; 22. Second gasket; 23. Third gasket; 24. Fourth gasket; 25. Rubber block; 3. Output shaft; 31. Ball; 4. Control assembly; 41. First worm; 42. First worm wheel; 421. First rotating shaft; 43. Second worm; 431. Second rotating shaft; 44. Second worm wheel; 441. Sleeve; 5. Limit assembly; 51. Limit frame; 52. Limit plate; 53. Spring. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-7 This application is described in further detail.

[0034] The present application embodiment discloses a motor with a telescopic adjustment structure, such as Figure 1 As shown, it includes a motor body 1, a transmission box 2 and an output shaft 3. The motor body 1 is connected to the transmission box 2, and the output shaft 3 is rotatably connected to the transmission box 2. One end of the output shaft 3 extends out of the transmission box 2 and is threadedly connected with a control block. When the output shaft 3 rotates, the rotation of the output shaft 3 can drive the movement of the control block, thereby driving the movement of the steering wheel.

[0035] like Figure 2 , 3As shown in FIG. 4 , the motor body 1 includes a circuit board 11 and a rotating shaft 12. The circuit board 11 is provided for mounting electronic components. A Hall element 111 is mounted on the circuit board 11. A magnetic ring 121 is coaxially fixedly connected to the rotating shaft 12. The Hall element 111 and the magnetic ring 121 cooperate with each other. The end of the rotating shaft 12 away from the motor body 1 is rotatably connected to the transmission box 2 through a bearing. A first gasket 21 is provided in the transmission box 2. The first gasket 21 is in contact with one end of the rotating shaft 12 passing through the bearing. A buffer is provided in the transmission box 2. The buffer is a rubber block 25. The cross section of the rubber block 25 is convex. One end of the rubber block 25 is fixedly connected to the transmission box 2, and the other end is fixedly connected to the first gasket 21. Under natural circumstances, the rubber block 25 applies a force to the first gasket 21, which has a buffering effect on the first gasket 21. The Hall element 111 and the magnetic ring 121 cooperate to output signals to facilitate the rotation of the rotating shaft 12; through the setting of the rubber block 25, the gap between the first gasket 21 and the transmission box 2 is eliminated, the possibility of the rotating shaft 12 moving is reduced, the stability of the rotating shaft 12 during rotation is improved, and the rotation of the rotating shaft 12 is facilitated.

[0036] like Figure 4 and 5 As shown, it also includes a control component 4. When the rotating shaft 12 rotates, the output shaft 3 is driven to rotate by controlling the control component 4. The control component 4 includes a first worm 41, a first worm wheel 42, a second worm 43 and a second worm wheel 44. The first worm 41, the first worm wheel 42, the second worm 43 and the second worm wheel 44 are all located in the transmission box 2. The first worm 41 is coaxially fixedly connected to the rotating shaft 12, the first worm 41 is sleeved on the rotating shaft 12, and the first worm 41 cooperates with the first worm wheel 42. The first worm wheel 42 and the second worm 43 are coaxially fixedly connected, the second worm 43 and the second worm wheel 44 cooperate, the second worm wheel 44 and the output shaft 3 are coaxially fixedly connected, and the second worm wheel 44 is sleeved on the output shaft 3. When the rotating shaft 12 rotates, the rotation of the rotating shaft 12 can drive the rotation of the first worm 41, and the first worm 41 cooperates with the first worm wheel 42 to drive the rotation of the first worm wheel 42. The rotation of the first worm wheel 42 can drive the rotation of the second worm 43. The second worm 43 cooperates with the second worm wheel 44 to drive the rotation of the second worm wheel 44. The rotation of the second worm wheel 44 can drive the rotation of the output shaft 3. The rotation of the output shaft 3 can drive the rotation of the control block, thereby driving the movement of the steering wheel.

[0037] like Figure 5As shown, the first rotating shaft 421 is fixedly connected to the side of the first worm gear 42 away from the second worm 43, and the second gasket 22 is provided in the transmission box 2, and the second gasket 22 is in contact with the end of the first rotating shaft 421 away from the first worm gear 42. The second gasket 22 can eliminate the gap between the first rotating shaft 421 and the transmission box 2, thereby limiting the first rotating shaft 421, reducing the possibility of movement when the first worm gear 42 rotates, and improving the stability of the first worm gear 42 when rotating. The second rotating shaft 431 is fixedly connected to the end of the second worm gear 43 away from the first worm gear 42, and the third gasket 23 is provided in the transmission box 2, and the third gasket 23 is in contact with the end of the second rotating shaft 431 away from the second worm gear 43. The third gasket 23 can eliminate the gap between the second rotating shaft 431 and the transmission box 2, thereby limiting the second rotating shaft 431, reducing the possibility of movement when the second worm gear 43 rotates, and improving the stability of the second worm gear 43 when rotating.

[0038] like Figure 6 and 7 As shown, one end of the output shaft 3 extending into the transmission box 2 is rotatably connected with a ball 31, and a fourth gasket 24 is provided in the transmission box 2, and the fourth gasket 24 is in contact with the ball 31. The fourth gasket 24 can eliminate the gap between the output shaft 3 and the transmission box 2, thereby limiting the output shaft 3, and the ball 31 can reduce the friction between the output shaft 3 and the fourth gasket 24, reducing the possibility of the output shaft 3 moving when rotating. A sleeve 441 is fixedly connected to the second worm gear 44, and the sleeve 441 is sleeved on the output shaft 3. A limit assembly 5 is provided in the transmission box 2, and the limit assembly 5 includes a limit frame 51, a limit plate 52 and a spring 53. The cross section of the limit frame 51 is U-shaped, and the limit frame 51 abuts against the sleeve 441. A through hole is provided on the limit plate 52 for the sleeve 441 to pass through, and one side of the limit plate 52 is in contact with the limit frame 51, and the other side is in contact with the second worm gear 44. The limiting frame 51 is fixedly connected with a guide column, one end of the spring 53 is fixedly connected with the transmission box 2, and the other end is sleeved on the guide column and abuts against the limiting frame 51. Under natural circumstances, the spring 53 applies a force to the limiting frame 51, so that the limiting frame 51 is fixed in the transmission box 2. The limiting frame 51 and the limiting plate 52 can limit the sleeve 441, thereby limiting the second worm gear 44 and the output shaft 3, further reducing the possibility of movement of the output shaft 3 when rotating, and improving the stability of the output shaft 3 when rotating.

[0039] The implementation principle of a motor with a telescopic adjustment structure in the embodiment of the present application is:

[0040] Through the cooperation of the Hall element 111 and the magnetic ring 121, an output signal is generated to rotate the rotating shaft 12. The rotation of the rotating shaft 12 can drive the rotation of the first worm 41. The rotation of the first worm 41 can drive the rotation of the first worm wheel 42. The rotation of the first worm wheel 42 can drive the rotation of the second worm 43. The rotation of the second worm 43 can drive the rotation of the second worm wheel 44. The rotation of the second worm wheel 44 can drive the rotation of the output shaft 3. The rotation of the output shaft 3 can drive the movement of the control block, thereby realizing the movement of the steering wheel.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A motor with a telescopic adjustment structure, comprising a motor body (1), a transmission box (2) and an output shaft (3), characterized in that: The motor body (1) comprises a circuit board (11) and a rotating shaft (12), wherein the circuit board (11) is provided with electronic components and further comprises a control assembly (4), wherein the rotating shaft (12) drives the output shaft (3) to rotate via the control assembly (4), wherein one end of the rotating shaft (12) away from the motor body (1) is rotatably connected to a transmission box (2) via a bearing, wherein one end of the rotating shaft (12) passing through the bearing is provided with a first gasket (21), and a buffer is provided in the transmission box (2), wherein the buffer is used to eliminate a gap between the first gasket (21) and the transmission box (2).

2. The motor with a telescopic adjustment structure according to claim 1, characterized in that: The control assembly (4) comprises a first worm (41), a first worm wheel (42), a second worm (43) and a second worm wheel (44); the first worm (41), the first worm wheel (42), the second worm (43) and the second worm wheel (44) are all located in a transmission case (2); the first worm (41) and the rotating shaft (12) are fixedly connected; the first worm (41) and the first worm wheel (42) cooperate; the first worm wheel (42) and the second worm (43) are fixedly connected; the second worm (43) and the second worm wheel (44) cooperate; and the second worm wheel (44) and the output shaft (3) are fixedly connected.

3. The motor with a telescopic adjustment structure according to claim 2, characterized in that: The first worm gear (42) is fixedly connected to a first rotating shaft (421), a second gasket (22) is provided in the transmission box (2), and the second gasket (22) is in contact with an end of the first rotating shaft (421) away from the first worm gear (42).

4. The motor with a telescopic adjustment structure according to claim 2, characterized in that: The second worm (43) is fixedly connected to a second rotating shaft (431), a third gasket (23) is provided in the transmission box (2), and the third gasket (23) is in contact with an end of the second rotating shaft (431) away from the second worm (43).

5. The motor with a telescopic adjustment structure according to claim 1, characterized in that: A ball (31) is provided at one end of the output shaft (3) extending into the transmission box (2), and a fourth gasket (24) is provided in the transmission box (2), and the fourth gasket (24) is in contact with the ball (31).

6. The motor with a telescopic adjustment structure according to claim 1, characterized in that: The buffer is a rubber block (25), one end of the rubber block (25) is fixedly connected to the transmission box (2), and the other end of the rubber block (25) is fixedly connected to the first gasket (21).

7. The motor with a telescopic adjustment structure according to claim 2, characterized in that: The second worm gear (44) is fixedly connected to a sleeve (441), the sleeve (441) being sleeved on the output shaft (3), and a limiting assembly (5) is provided in the transmission box (2), the limiting assembly (5) being used to limit the sleeve (441).

8. The motor with a telescopic adjustment structure according to claim 7, characterized in that: The limiting assembly (5) comprises a limiting frame (51), a limiting plate (52) and a spring (53); the limiting frame (51) is in contact with the sleeve (441); the limiting plate (52) is provided with a through hole for the sleeve (441) to pass through; one side of the limiting plate (52) is in contact with the limiting frame (51), and the other side is in contact with the second worm gear (44); one end of the spring (53) is fixedly connected to the transmission box (2), and the other end is connected to the limiting frame (51).

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