A motor driven wire unlocking assembly device

Abstract

The present application discloses a motor-driven wire unlocking assembly device, which includes a wire body, the wire body includes a metal rope and a connection terminal connected to the end thereof, and also includes an electric mechanism, a wire rod and an internal thread sleeve, the electric mechanism includes a motor housing, a mounting hole for the metal rope to pass through is provided on the motor housing, the wire rod is rotatably arranged in the motor housing, the wire rod is provided with an external thread, one end of the internal thread sleeve extends into the motor housing through the mounting hole and is slidably connected to the motor housing, the internal thread sleeve is threadedly connected to the wire rod, a driving source for driving the wire rod to rotate is provided in the motor housing, and one end of the internal thread sleeve located outside the motor housing is rotatably connected to the connection terminal. The present application has the effect of realizing stable driving of the automobile wire.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and in particular to a motor-driven wire unlocking assembly device. Background Art

[0002] Automotive cables are primarily used to control the movement of sunroofs, side windows, clutches, and other components. They consist of a cable conduit, mounting sleeves at each end, a steel core wire, and terminal blocks attached to each end. In actual use, the two terminal blocks are connected to a master and slave device, respectively, enabling the master to drive the slave.

[0003] At present, when driving the automobile cable, the steel wire core needs to slide in the installation sleeve. Using conventional means to drive the steel wire core to slide will cause the steel wire core to slip slightly in the installation sleeve, making the driving of the active device to the driven device relatively unstable. A stable driving structure is needed to drive the movement of the steel wire core. Utility Model Content

[0004] In order to achieve stable driving of the automobile cable, the present application provides a motor-driven cable unlocking assembly device.

[0005] The present application provides a motor-driven wire unlocking assembly device that adopts the following technical solutions:

[0006] A motor-driven wire pull unlocking assembly device includes a wire pull body, the wire pull body includes a metal rope and a connecting terminal connected to its end, and is characterized in that it also includes an electric mechanism, a wire pull rod and an internal threaded sleeve, the electric mechanism includes a motor housing, the motor housing is provided with a mounting hole for the metal rope to pass through, the wire pull rod is rotatably set in the motor housing, the wire pull rod is provided with an external thread, one end of the internal threaded sleeve extends into the motor housing through the mounting hole and is slidably connected to the motor housing, the internal threaded sleeve is threadedly connected to the wire pull rod, and a driving source for driving the wire pull rod to rotate is provided in the motor housing, and the end of the internal threaded sleeve located outside the motor housing is rotatably connected to the connecting terminal.

[0007] By adopting the above technical solution, the driving source activates the stable rotation of the cable rod, and the internally threaded sleeve, which is threadedly connected to the cable rod, moves stably along its axial direction under the drive of the cable rod, achieving stable linear pulling of the metal rope. Through the interaction between the cable body and the electric mechanism, the vehicle cable is stably driven.

[0008] Optionally, the driving source includes a driving motor, and the driving motor is connected to the wire pulling rod through a reduction gear group, and the reduction gear group includes an output helical gear, a first transmission helical gear, a second transmission helical gear and a third transmission helical gear. The output helical gear is connected to the driving motor, and a transmission shaft is rotatably connected in the motor housing. The first transmission helical gear and the second transmission helical gear are both connected to the transmission shaft, and the third transmission helical gear is connected to the wire pulling rod. The first transmission helical gear is meshed with the output helical gear, and the second transmission helical gear is meshed with the third transmission helical gear.

[0009] By adopting the above technical solution, the drive motor starts to drive the output helical gear to rotate. The first helical gear rotates under the drive of the output helical gear, and the transmission shaft and the second transmission helical gear connected thereto rotate synchronously. The second transmission helical gear drives the third transmission helical gear to rotate, and the wire rod connected to the third transmission helical gear rotates, realizing the drive of the wire rod. The setting of the reduction gear set can achieve speed reduction and increase torque. The helical gears are used in the reduction gear set. While meeting the transmission requirements, it can also withstand the axial load of the wire rod, playing a stabilizing role.

[0010] Optionally, the internal threaded sleeve is cylindrical, a positioning slider is connected to the outer ring wall of the internal threaded sleeve, a positioning groove is opened on the inner side of the motor housing, the length direction of the positioning groove is arranged parallel to the length direction of the internal threaded sleeve, and the positioning slider is slidably arranged in the positioning groove.

[0011] By adopting the above technical solution, when the wire drawing rod drives the internal threaded sleeve, the positioning slider slides in the positioning slide groove to limit and guide the movement of the internal threaded sleeve.

[0012] Optionally, support protrusions are provided on two opposite inner walls of the motor housing, and a connecting groove is provided on the side where the two support protrusions are close to each other. The pull rod is rotatably connected between the two support protrusions, and two rotation limit rings are connected to the pull rod. The two rotation limit rings are rotatably fitted with the two opposite sides of the support protrusions.

[0013] By adopting the above technical solution, the limiting ring is rotated to limit the position of the cable rod, thereby reducing the possibility of shaking of the cable rod.

[0014] Optionally, a protective sleeve is connected to the motor housing, an inner cavity of the protective sleeve is connected to the mounting hole, and the internal threaded sleeve and one end of the metal rope are covered in the protective sleeve.

[0015] By adopting the above technical solution, the protective sleeve arranges the internal thread sleeve and the rotary connection block cover therein, thereby reducing the possibility of the internal thread sleeve being deformed by impact.

[0016] Optionally, a wire outlet hole for the metal rope to pass through is opened at one end of the protective cover away from the motor housing, and a guide sleeve is connected to the other end of the protective cover away from the motor housing. The guide sleeve is communicated with the wire outlet hole, and the metal rope passes through the guide sleeve and is slidably connected to the guide sleeve.

[0017] By adopting the above technical solution, the guide sleeve supports and protects the metal rope, thereby reducing the possibility of the metal rope being damaged due to long-term friction with the guide sleeve.

[0018] Optionally, a rotating connecting block is provided between one end of the internal threaded sleeve located outside the motor housing and the connecting terminal, one end of the internal threaded sleeve is coaxially connected to a plug-in tube, one end of the rotating connecting block is provided with a plug-in hole, and the other end is provided with a connecting hole, the plug-in tube is rotatably inserted into the plug-in hole of the rotating connecting block, and the metal rope is inserted in the connecting hole and is rotatably connected to the rotating connecting block.

[0019] By adopting the above technical solution, the setting of the rotating connecting block realizes the rotational connection between the internal threaded sleeve and the metal rope, avoiding the load on the internal threaded sleeve when the metal rope rotates, and reducing the possibility of damage to the internal threaded sleeve.

[0020] In summary, this application includes at least one of the following beneficial technical effects:

[0021] 1. Through the cooperation between the cable body and the electric mechanism, it has the effect of achieving stable driving of the car cable;

[0022] 2. The reduction gear set can not only meet the transmission requirements, but also bear the axial load of the cable rod, playing a stabilizing role;

[0023] 3. The guide sleeve supports and protects the metal rope, reducing the possibility of damage to the metal rope caused by long-term friction with the guide sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of an embodiment of the present application for embodying a motor-driven wire unlocking assembly device.

[0025] Figure 2 It is a partial cross-sectional view used to illustrate the internal structure of the motor housing and the protective cover in the embodiment of the present application.

[0026] Figure 3 It is a structural diagram for reflecting the reduction gear set in the embodiment of the present application.

[0027] Explanation of the accompanying drawings: 1. Wire pulling body; 101. Metal rope; 102. Protective rope loop; 103. Connecting terminal; 2. Motor housing; 21. Mounting hole; 22. Positioning slide; 23. Support protrusion; 3. Driving motor; 4. Reduction gear set; 41. Output bevel gear; 42. First transmission bevel gear; 43. Second transmission bevel gear; 44. Third transmission bevel gear; 45. Transmission shaft; 5. Wire pulling rod; 6. Internal threaded sleeve; 7. Positioning slider; 8. Rotation limit ring; 9. Plug-in tube; 10. Anti-slip ring; 11. Rotating connecting block; 111. Plug-in hole; 112. Connecting hole; 113. Anti-slip groove; 114. Accommodating chamber; 12. Protective sleeve; 13. Wire outlet hole; 14. Guide sleeve. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-3 The present application is further described in detail. The embodiment of the present application provides a motor-driven cable unlocking assembly device, which has the effect of achieving stable driving of the vehicle cable.

[0029] Reference Figure 1 and Figure 2 A motor-driven cable unlocking assembly includes a cable body 1 and a motorized mechanism. The cable body 1 includes a metal rope 101, a protective rope loop 102, and a connecting terminal 103. The protective rope loop 102 is disposed around the outside of the metal rope 101, and the connecting terminal 103 is connected to the end of the metal rope 101.

[0030] Reference Figure 2 The electric mechanism includes a motor housing 2, a drive motor 3, a reduction gear set 4, a wire rod 5 and an internal threaded sleeve 6. The drive motor 3 and the wire rod 5 are both arranged in the motor housing 2. A mounting hole 21 is provided on the motor housing 2, and the internal threaded sleeve 6 is slidably connected to the motor housing 2 through the mounting hole 21. An internal thread is provided on the inner ring wall of the internal threaded sleeve 6, and an external thread is provided at one end of the wire rod 5. The wire rod 5 and the internal threaded sleeve 6 are coaxially arranged. The end of the wire rod 5 with the external thread is threadedly connected to the internal threaded sleeve 6. The internal threaded sleeve 6 is located on the outer ring wall at one end of the motor housing 2 and is fixedly connected to two positioning sliders 7. Positioning grooves 22 are provided on the two opposite inner walls of the motor housing 2. The length direction of the positioning groove 22 is arranged parallel to the length direction of the wire rod 5. The two positioning sliders 7 correspond one-to-one to the two positioning grooves 22 and are slidably connected.

[0031] Reference Figure 2A support protrusion 23 is provided on each of the two opposing inner walls of the motor housing 2. Connecting grooves are provided on the adjacent sides of the two support protrusions 23. The cable pull rod 5 is rotatably disposed in the connecting grooves of the two support protrusions 23. Two rotation limiting rings 8 are fixedly connected in parallel to the cable pull rod 5. The two rotation limiting rings 8 slide in contact with the opposite sides of the support protrusions 23.

[0032] Reference Figure 2 and Figure 3 The reduction gear set 4 includes an output bevel gear 41, a first transmission bevel gear 42, a second transmission bevel gear 43, a third transmission bevel gear 44 and a transmission shaft 45. The output bevel gear 41 is transmission-connected to the output shaft of the drive motor 3, and the transmission shaft 45 is rotatably arranged in the motor housing 2 and is located between the wire rod 5 and the drive motor 3. The transmission shaft 45 is arranged parallel to the wire rod 5. The first transmission bevel gear 42 and the second transmission bevel gear 43 are both fixedly mounted on the transmission shaft 45, and the diameter of the first transmission bevel gear 42 is larger than the diameter of the second transmission bevel gear 43. The third transmission bevel gear 44 is fixedly mounted on the end of the wire rod 5 away from the internal threaded sleeve 6. The output bevel gear 41 is meshedly connected to the first transmission bevel gear 42, and the second transmission bevel gear 43 is meshedly connected to the third transmission bevel gear 44.

[0033] Reference Figure 2 The end of the internal threaded sleeve 6 away from the pull rod 5 is coaxially fixedly connected to the plug-in tube 9, and the end of the plug-in tube 9 away from the internal threaded sleeve 6 is fixedly connected to the anti-slip ring 10. A rotating connection block 11 is provided at the end of the internal threaded sleeve 6 close to the connecting terminal 103. One end of the rotating connection block 11 is provided with a plug-in hole 111, and the other end is provided with a connecting hole 112. The inner wall of the rotating connection block 11 is provided with an anti-slip groove 113 connected to the plug-in hole 111 and an accommodating cavity 114 connected to the connecting hole. The accommodating cavity 114 is connected to the anti-slip groove 113, and the diameter of the accommodating cavity 114 is smaller than the diameter of the anti-slip groove 113. The plug-in tube 9 is rotatably inserted into the plug-in hole 111, and the anti-slip ring 10 is rotatably set in the anti-slip groove 113. The connecting terminal 103 is rotatably set in the accommodating cavity 114, and the metal rope 101 is rotatably connected to the connecting hole 112.

[0034] Reference Figure 2A protective sleeve 12 is connected to the outside of the motor housing 2. The inner cavity of the protective sleeve 12 is connected to the mounting hole 21. The protective sleeve 12 covers the internal threaded sleeve 6 and the rotating connecting block 11. An outlet hole 13 for the metal rope 101 to pass through is provided at the end of the protective sleeve 12 away from the motor housing 2. The metal rope 101 passes through the protective sleeve 12 through the outlet hole 13. A guide sleeve 14 is provided at the end of the protective sleeve 12 away from the motor housing 2. The guide sleeve 14 is made of elastic material. The metal rope 101 passes through the guide sleeve 14 and slides with it. A mounting ring groove is provided on the outer peripheral wall of the guide sleeve 14 along the circumferential direction. One end of the guide sleeve 14 is inserted into the protective sleeve 12, and the inner ring wall of the outlet hole 13 abuts against the inner ring wall of the mounting ring groove.

[0035] Reference Figure 2 and Figure 3 When the metal rope 101 is driven, the drive motor 3 starts to rotate the output bevel gear 41. Driven by the output bevel gear 41, the first bevel gear rotates, and the transmission shaft 45 and the second bevel gear 43 connected thereto rotate synchronously. The second bevel gear 43 drives the third bevel gear 44 to rotate, which in turn rotates the cable rod 5 connected to the third bevel gear 44, thereby driving the cable rod 5. The cable rod 5 is rotatably clamped between the two support protrusions 23. The provision of the rotation limit ring 8 limits the position of the cable rod 5, reducing the possibility of the cable rod 5 shaking along its axial direction.

[0036] Reference Figure 2 and Figure 3 , the cable rod 5 rotates, and the internal threaded sleeve 6 moves along the length direction of the cable rod 5 under the drive of the cable rod 5. The positioning slider 7 slides in the positioning slide groove 22, realizing the limiting guidance of the internal threaded sleeve 6, and preventing the internal threaded sleeve 6 from rotating synchronously with the cable rod 5. The internal threaded sleeve 6 is rotatably connected to the metal rope 101 through the rotating connecting block 11, and the metal rope 101 moves with the internal threaded sleeve 6, realizing the control of the driven device. The protective sleeve 12 covers the internal threaded sleeve 6 and the rotating connecting block 11, reducing the possibility of the internal threaded sleeve 6 being deformed by external impact. The flexible guide sleeve 14 protects the metal rope 101, reducing the possibility of the metal rope 101 being damaged by long-term friction with the guide sleeve 14. The setting of the rotating connecting block 11 realizes the rotational connection between the internal threaded sleeve 6 and the metal rope 101, and avoids the metal rope 101 causing a twisting force on the internal threaded sleeve 6 when it rotates.

[0037] Reference Figure 2 and Figure 3, the setting of the reduction gear set 4 can achieve deceleration and increase torque. The reduction gear set 4 adopts helical gears. Under the premise of meeting the transmission requirements, it can also withstand the axial load of the wire rod 5, and play a stabilizing role on the output helical gear 41, the first transmission helical gear 42, the second transmission helical gear 43 and the third transmission helical gear 44, reducing the axial load on the rotating limit ring 8. The wire rod 5 is threadedly connected to the internal threaded sleeve 6. When the wire rod 5 drives the internal threaded sleeve 6 to retract, the wire rod 5 will also be subjected to a pulling force toward the inside of the internal threaded sleeve 6. During the rotation of the third transmission helical gear 44, it will be subjected to the axial force of the meshing second transmission helical gear 43. The third transmission helical gear 44 on the wire rod 5 is subjected to the axial force away from the internal threaded sleeve 6, which can balance the force and help the stable rotation of the wire rod 5.

[0038] The operating principle of a motor-driven cable unlocking assembly in the embodiment of the present application is as follows: when driving the metal rope 101, the drive motor 3 rotates the cable rod 5, and the internally threaded sleeve 6 moves along the length of the cable rod 5 under the drive of the cable rod 5. The metal rope 101 moves along with the internally threaded sleeve 6, thereby achieving control of the driven device. The configuration of the reduction gear set 4 can achieve deceleration and increase torque, which can have a balanced force effect and promote the stable rotation of the cable rod 5.

[0039] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A motor-driven wire-pull unlocking assembly device, comprising a wire-pull body (1), wherein the wire-pull body (1) comprises a metal rope (101) and a connecting terminal (103) connected to the end thereof, characterized in that: It also includes an electric mechanism, a wire drawing rod (5) and an internal threaded sleeve (6), wherein the electric mechanism includes a motor housing (2), the motor housing (2) is provided with a mounting hole (21) for the metal rope (101) to pass through, the wire drawing rod (5) is rotatably arranged in the motor housing (2), the wire drawing rod (5) is provided with an external thread, one end of the internal threaded sleeve (6) extends into the motor housing (2) through the mounting hole (21) and is slidably connected to the motor housing (2), the internal threaded sleeve (6) is threadedly connected to the wire drawing rod (5), a driving source for driving the wire drawing rod (5) to rotate is provided in the motor housing (2), and one end of the internal threaded sleeve (6) located outside the motor housing (2) is rotatably connected to the connecting terminal (103).

2. A motor-driven wire-pull unlocking assembly device according to claim 1, characterized in that: The driving source comprises a driving motor (3), and the driving motor (3) is connected to the wire drawing rod (5) through a reduction gear set (4). The reduction gear set (4) comprises an output bevel gear (41), a first transmission bevel gear (42), a second transmission bevel gear (43) and a third transmission bevel gear (44). The output bevel gear (41) is connected to the driving motor (3). A transmission shaft (45) is rotatably connected in the motor housing (2). The first transmission bevel gear (42) and the second transmission bevel gear (43) are both connected to the transmission shaft (45). The third transmission bevel gear (44) is connected to the wire drawing rod (5). The first transmission bevel gear (42) is meshedly connected to the output bevel gear (41), and the second transmission bevel gear (43) is meshedly connected to the third transmission bevel gear (44).

3. The motor-driven wire-pull unlocking assembly device according to claim 1, characterized in that: The internal thread sleeve (6) is cylindrical, a positioning slide block (7) is connected to the outer ring wall of the internal thread sleeve (6), a positioning slide groove (22) is provided on the inner side of the motor housing (2), the length direction of the positioning slide groove (22) is parallel to the length direction of the internal thread sleeve (6), and the positioning slide block (7) is slidably arranged in the positioning slide groove (22).

4. The motor-driven wire-pull unlocking assembly device according to claim 1, characterized in that: Support protrusions (23) are provided on two opposite inner walls of the motor housing (2), and a connecting groove is provided on the side where the two support protrusions (23) are close to each other. The wire drawing rod (5) is rotatably connected between the two support protrusions (23), and two rotation limit rings (8) are connected to the wire drawing rod (5). The two rotation limit rings (8) are rotatably fitted with the two opposite sides of the support protrusions (23).

5. The motor-driven wire-pull unlocking assembly device according to claim 1, characterized in that: A protective sleeve (12) is connected to the motor housing (2); the inner cavity of the protective sleeve (12) is connected to the mounting hole (21); the internal thread sleeve (6) and one end of the metal rope (101) are covered in the protective sleeve (12).

6. A motor-driven wire-pull unlocking assembly device according to claim 5, characterized in that: An outlet hole (13) for the metal rope (101) to pass through is formed at one end of the protective sleeve (12) away from the motor housing (2), and a guide sleeve (14) is connected to the end of the protective sleeve (12) away from the motor housing (2). The guide sleeve (14) is connected to the outlet hole (13), and the metal rope (101) passes through the guide sleeve (14) and is slidably connected to the guide sleeve (14).

7. The motor-driven wire-pull unlocking assembly device according to claim 1, characterized in that: A rotating connection block (11) is provided between one end of the internal threaded sleeve (6) located outside the motor housing (2) and the connecting terminal (103); one end of the internal threaded sleeve (6) is coaxially connected to a plug-in tube (9); one end of the rotating connection block (11) is provided with a plug-in hole (111) and the other end is provided with a connecting hole; the plug-in tube (9) is rotatably inserted into the plug-in hole (111) of the rotating connection block (11); the metal rope (101) is inserted into the connecting hole and is rotatably connected to the rotating connection block (11).

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