Scissor-type window glass lifter

Abstract

The present invention provides a scissor-type window lifter that can lower the window glass in an emergency such as a power outage, thereby increasing the chances of passengers escaping. The scissor-type window lifter comprises an active fork arm, a driven fork arm, a fixed guide plate, a window lift support plate, a gear fan, and a gear. A slot is formed in the middle of the gear fan, and the lower portion of the active fork arm passes through the slot and is hinged to a fixed pin. A socket is formed in the lower portion of the active fork arm. A gear fan hole is formed on the side of the gear fan, and a movable pin housing is fixed on the side of the gear fan, and the movable pin is slidably arranged in the gear fan hole. An elastic element is provided between the movable pin housing and the movable pin, allowing the movable pin to extend into the gear fan hole and the socket. When the window glass and the window lift support plate are not in the lowest position, the elastic force of the elastic element is overcome to pull the movable pin, causing the movable pin to disengage the socket, and the active fork arm can freely swing around the fixed pin relative to the gear fan, and the window glass and the window lift support plate are lowered to the lowest position under the action of gravity.

Description

Technical Field

[0001] This patent belongs to the field of vehicle engineering technology, and specifically relates to a car window lifter. Background Art

[0002] Commonly used window lifts include scissor-type and rope-type. A scissor-type window lift consists primarily of an active fork arm, a driven fork arm, a fixed guide plate, a window lift support plate, a geared fan, and a drive gear. The middle of the active fork arm is hinged to the middle of the driven fork arm. Both the upper ends of the active and driven fork arms slide on the window lift support plate via rollers. The window lift support plate slides up and down on the door frame. The fixed guide plate is fixed to the door frame. The lower end of the driven fork arm slides on the fixed guide plate via rollers. The lower end of the active fork arm is fixed to the geared fan, which is rotatably mounted on the door frame via a fixed pin. A gear meshing with the geared fan serves as a drive gear and is connected to a power mechanism such as a motor. The power mechanism drives the gear to rotate, and the gear fan rotates around the fixed pin, driving the active fork arm to swing. The angle between the hinged active fork arm and the driven fork arm changes accordingly. At the same time, the rollers on the upper ends of the active fork arm and the driven fork arm slide left and right on the glass lift support plate, realizing the lifting and lowering of the glass lift support plate and the window glass set on the driving glass lift support plate.

[0003] Car accidents often lead to drowning deaths. The root cause is that after the car falls into the water, the closed doors cannot be opened due to the external water pressure. At the same time, the window glass is too strong to break without tools, which makes it very difficult for passengers to escape and eventually drown. When a car is involved in a serious traffic accident, it is easy to cause the car body to deform and the entire electrical system to lose power. Not only can the doors not be opened, but the windows cannot be lowered, making it impossible for passengers to escape.

[0004] If a new window lifter is installed inside a car door, when the car falls into water or an accident occurs, causing the body to tilt, a small movement of opening the door can cause the window glass to fall off. When the posture is normal, the lifter can be automatically reset by operating the switch of the window lifter. This not only allows passengers to get a chance to escape in time, but also prevents further damage to the car. It undoubtedly has extremely important practical significance. Summary of the Invention

[0005] The object of the present invention is to provide a scissor-type window glass lifter which can lower the window glass in an emergency state such as a power outage to increase the chances of passengers escaping.

[0006] In order to achieve this technical purpose, the present invention adopts the following technical solutions:

[0007] A scissor-type window glass lifter includes a scissor-type window glass lifter consisting of an active fork arm, a driven fork arm, a fixed guide plate, a glass lift support plate, a gear fan, and a gear. The gear fan is rotatably mounted on a door frame via a fixed pin. A slide groove is formed in the middle of the gear fan, and the lower portion of the active fork arm passes through the slide groove and is hinged to the fixed pin. An insertion hole is formed in the lower portion of the active fork arm. A gear fan hole communicating with the slide groove is formed on a side surface of the gear fan on one side of the slide groove, and a movable pin housing surrounding the gear fan hole is fixed on the side surface of the gear fan, and the movable pin is slidably mounted in the gear fan hole. An elastic element is provided between the movable pin housing and the movable pin to allow the movable pin to extend into the gear fan hole and the insertion hole in a normal state.

[0008] When the window glass and the glass lift support plate are not in the lowest position, the elastic force of the elastic element is overcome to pull the movable pin so that the movable pin is disengaged from the socket, and the active fork arm can swing freely around the fixed pin relative to the gear sash, and the window glass and the glass lift support plate are lowered to the lowest position under the action of gravity.

[0009] Beneficial effects of the present invention:

[0010] The present invention enhances the traditional scissor-type glass lift mechanism by adding a movable pin and an elastic element, and also provides a slide groove and a tooth sector hole on the gear sash. Under normal circumstances (normal state), the movable pin extends into the tooth sector hole and the socket on the active fork arm, forming a fixed connection between the active fork arm, the gear sash, and the movable pin. When the gear rotates, it drives the gear sash, the movable pin, the active fork arm, and so on to swing around the fixed pin, and the angle between the hinged active and driven fork arms changes accordingly. Simultaneously, the rollers at the upper ends of the active and driven fork arms slide left and right on the glass lift support plate, while the roller at the lower end of the driven fork arm slides left and right on the fixed guide plate, thereby raising and lowering the window glass.

[0011] When the window glass and the glass lift support plate are not in the lowest position, such as when the vehicle needs to lower the window under abnormal circumstances, the passenger only needs to pull the movable pin to disengage the movable pin from the socket. At this time, the active fork arm can rotate relative to the gear fan around the fixed pin, and the window glass and the glass lift support plate can be lowered under gravity.

[0012] After adopting the above structure, if the movable pin is misoperated and causes the window glass to drop, how to restore the window glass to normal lifting is another problem. To this end, as a further improvement to the present invention, the side surface of the active fork arm is an inclined surface, and the front end surface of the movable pin is an inclined surface; when the window glass and the glass lifting support plate drop to the lowest position under the action of gravity, the movable pin moves forward under the action of the elastic element and extends into the slide groove, and the inclined surface of the movable pin is opposite to the inclined surface of the active fork arm in the upper and lower directions. When the gear sector rotates around the fixed pin, the inclined surface of the movable pin gradually contacts the inclined surface of the active fork arm, and the active fork arm pushes the movable pin to move backward along the axis, and the front end surface of the movable pin gradually withdraws from the slide groove; when the socket and the movable pin are coaxial, the movable pin moves forward under the action of the elastic element and extends into the gear sector hole and the socket. When the movable pin is operated by mistake and the car window glass drops, the rotation of the gear drives the gear fan, movable pin, etc. to rotate around the fixed pin relative to the active fork arm, and the inclined surface of the movable pin gradually approaches and contacts the inclined surface of the active fork arm, and the active fork arm pushes the movable pin to overcome the elastic force of the elastic element and move backward along the axis, and the front end surface of the movable pin gradually withdraws from the slide groove; when the gear fan and movable pin rotate around the fixed pin until the movable pin and the socket are coaxial, the movable pin moves forward under the action of the elastic element and extends into the gear fan hole and the socket, and the active fork arm, gear fan and movable pin form a fixedly connected whole again, and the scissor-type glass lifting device works normally, and the lifting and lowering of the car window glass is achieved by the rotation of the gears.

[0013] As a further improvement to the present invention, the movable pin is connected to the front end of a pull wire passing through the movable pin housing. When the pull wire is pulled, the movable pin is driven to move axially backward to overcome the elastic force of the elastic element, and the front end surface of the movable pin withdraws from the slide groove.

[0014] As a further improvement to the present invention, when the movable pin moves backward until its rear end contacts the movable pin housing, the movable pin cannot move further backward. At this time, the front end of the movable pin is located within the tooth sector hole. This structure prevents the front end of the movable pin from disengaging from the tooth sector hole when the movable pin moves backward, making the subsequent forward reset of the movable pin smoother.

[0015] In order to prevent the window glass from falling due to misoperation of the movable pin when the vehicle is in a normal state, and to enable the window glass to be lowered smoothly when the vehicle falls into water or an accident occurs and the vehicle body tilts, as a further improvement of the present invention, a posture sensor housing with an axis extending up and down is fixed to the door frame, and a hollow piston that can move along the axis of the posture sensor housing is provided inside the posture sensor housing; a return spring is provided between the hollow piston and the posture sensor housing to keep the hollow piston away from the lower part of the posture sensor in normal state; the lower end of the hollow piston is connected to a pull wire 2 that passes through the posture sensor housing and is used to pull the hollow piston downward; the upper end of the hollow piston has There is a retaining ring extending toward the axis of the hollow piston; a wire hole is opened at the center of the upper center of the attitude sensor housing, and the rear end of the pull wire passes through the wire hole and is connected to the upper end of the hammer, and the lower end of the hammer is a circular plate, which is located in the hollow part of the hollow piston; when the vehicle body on which the door frame is installed is in a horizontal state, the center of gravity of the hammer is located on the axis of the hollow piston, and when the hollow piston moves along the axis of the attitude sensor housing, the circular plate passes through the retaining ring; when the vehicle body and the door frame are in an inclined state, the center of gravity of the hammer deviates from the axis of the hollow piston, and when the hollow piston moves along the axis of the attitude sensor housing toward the lower part of the attitude sensor housing, the retaining ring will hook the circular plate to drive the hammer to move downward, and drive the movable pin to move backward through the pull wire.

[0016] We know that a vehicle is generally horizontal when in normal operation, but will tilt forward or backward when it falls into water or encounters other abnormal conditions. Based on this, when the vehicle is normally horizontal, the axis of the attitude sensor housing and the axis of the hollow piston, which are fixed to the door frame, are coaxial and extend vertically. The upper end of the pendulum is suspended on cable 1, and the center of gravity of the pendulum is also located on the axis of the hollow piston. At this time, if cable 2 is pulled to move the hollow piston downward, the retaining ring will move up and down. Since the periphery of the pendulum's circular plate does not contact the retaining ring, the pendulum will not be pulled by the retaining ring. If cable 1 does not move, the movable pin will not move backward, and the window glass will remain in its original position.

[0017] If the vehicle falls into water or is in an abnormal state, when the vehicle body is tilted, the center of gravity of the hanging hammer will deviate from the axis of the hollow piston, and a part of the periphery of the circular plate of the hanging hammer will be below the retaining ring. At this time, if the second pull wire is pulled to drive the hollow piston to move downward, the retaining ring will contact the periphery of the hanging hammer, and the hanging hammer will be pulled downward by the retaining ring. By pulling the movable pin backward through the pull wire, the movable pin will be disengaged from the socket, and the active fork arm will rotate relative to the gear fan around the fixed pin, and the window glass and the glass lifting support plate can be lowered under gravity.

[0018] As a further improvement to the present invention, the upper portion of the circular plate and the lower portion of the clasp are provided with mutually engaging teeth, which can increase the friction between the clasp and the circular plate of the pendulum, preventing them from separating from each other when in contact.

[0019] As a further improvement to the present invention, an adjustment bolt is threadedly connected to the center upper end of the attitude sensor housing, and a wire hole is formed in the center of the adjustment bolt. The adjustment bolt can be used to adjust the tightness and tension of the first cable. Preferably, when the window glass is in the highest position, the first cable is in tension, and the upper end of the pendulum is located at the lower end of the adjustment bolt.

[0020] As a further improvement to the present invention, a buffer layer is provided on the inner wall of the hollow portion of the hollow piston to reduce the impact of the circular plate of the hanging hammer on the inner wall of the hollow portion. The buffer layer can reduce the impact of the circular plate on the inner wall of the hollow portion of the hollow piston and reduce noise.

[0021] As a further improvement of the present invention, the lower end of the hollow piston has a guide rod passing through the center of the lower end of the attitude sensor housing, the guide rod is connected to the second pull wire, and the return spring is arranged around the guide rod between the lower end of the hollow piston and the lower end of the attitude sensor housing; a limit ring is provided on the guide rod outside the attitude sensor housing; when the limit ring contacts the attitude sensor housing, the hollow piston is located at the highest position away from the lower part of the attitude sensor housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structural composition of the window glass lifter in normal state.

[0023] Figure 2 This is a schematic diagram of the window regulator when the window is lowered.

[0024] Figure 3 It is a structural diagram of the movable pin, gear fan and active fork arm in normal state.

[0025] Figure 4 Schematic diagram of the structure of the movable pin, gear fan and active fork arm when the car window glass falls.

[0026] Figure 5 This is a diagram of a hanging hammer.

[0027] Figure 6 It is a schematic diagram of a hollow piston.

[0028] Figure 7 It is a schematic diagram of the gear fan structure.

[0029] Figure 8 It is a schematic diagram of the movable pin structure.

[0030] Figure 9 This is a schematic diagram of the attitude sensor.

[0031] In the figure, 1. glass lift support plate, 2. fixed guide plate, 3. driven fork arm, 4. active fork arm, 41. socket, 42. active fork arm inclined surface, 5. gear fan, 51. gear fan hole, 52. slide groove, 6. gear, 7. movable pin assembly, 8. fixed pin, 9. cable 1, 10. attitude sensor housing, 11. hollow piston, 111. retaining ring, 112. guide rod, 12. hanging hammer, 13. buffer layer, 14. return spring, 15. adjusting bolt, 16. spring, 17. movable pin housing, 18. movable pin, 182. movable pin inclined surface, 19. cable 2, 20. limit ring. DETAILED DESCRIPTION

[0032] A scissor-type window glass lifter with detachable and repositionable window glass comprises a scissor-type window lifter consisting of an active fork arm, a driven fork arm, a fixed guide plate, a glass lift support plate, a gear fan, and a gear. The gear fan is rotatably arranged on a door frame through a fixed pin, a slide groove is provided in the middle of the gear fan, and the lower portion of the active fork arm passes through the slide groove and is hinged to the fixed pin; an insertion hole is provided in the lower portion of the active fork arm; a gear fan hole communicating with the slide groove is provided on the side surface of the gear fan on one side of the slide groove, and a movable pin housing surrounding the gear fan hole is fixed on the side surface of the gear fan, and the movable pin is slidably arranged in the gear fan hole; a spring is provided between the movable pin housing and the movable pin, which causes the movable pin to extend into the gear fan hole and the insertion hole in a normal state.

[0033] The side surface of the active fork arm is the active fork arm inclined surface, and the front end surface of the movable pin is the movable pin inclined surface; when the vehicle window glass and the glass lifting support plate drop to the lowest position under the action of gravity, the movable pin moves forward under the action of the spring and extends into the slide groove, and the movable pin inclined surface is opposite to the active fork arm inclined surface up and down. When the gear sector rotates around the fixed pin, the movable pin inclined surface gradually contacts the active fork arm inclined surface, and the active fork arm pushes the movable pin to move backward along the axis, and the front end surface of the movable pin gradually withdraws from the slide groove; when the socket and the movable pin are coaxial, the movable pin moves forward under the action of the spring and extends into the gear sector hole and the socket.

[0034] The rear end of the movable pin is connected to the front end of a pull wire which passes through the outer shell of the movable pin.

[0035] When the movable pin moves backward until the rear end of the movable pin contacts the movable pin housing, the movable pin cannot move further backward. At this time, the front end surface of the movable pin is located in the gear sector hole.

[0036] A posture sensor housing with an axis extending vertically is fixed to the door frame. Inside the posture sensor housing is a hollow piston that moves along the axis of the housing. The lower end of the hollow piston has a guide rod that passes through the center of the lower end of the posture sensor housing. The end of the guide rod that extends beyond the lower end of the posture sensor housing is connected to a pull wire that pulls the hollow piston downward. A return spring, which normally pulls the hollow piston away from the lower portion of the posture sensor, surrounds the guide rod and is positioned between the lower end of the hollow piston and the lower end of the posture sensor housing. A retaining ring is provided on the guide rod outside the posture sensor housing. When the retaining ring contacts the posture sensor housing, the hollow piston is positioned at its highest position, away from the lower portion of the posture sensor housing.

[0037] The upper end of the hollow piston features a retaining ring extending toward the axis of the hollow piston. An adjustment bolt with a central threaded hole is threaded onto the upper center of the attitude sensor housing. The rear end of a pull wire passes through the hole and connects to the upper end of a hanging weight. The lower end of the hanging weight is a spherical circular plate located within the hollow portion of the hollow piston. The circular plate has teeth at its upper perimeter that engage with the retaining ring at its lower perimeter. A buffer layer is provided on the inner wall of the hollow portion of the hollow piston to reduce the impact of the hanging weight's circular plate on the inner wall.

[0038] When the car body on which the door frame is installed is in a horizontal state, the center of gravity of the hanging hammer is located on the axis of the hollow piston. When the hollow piston moves along the axis of the attitude sensor housing, the circular plate passes through the retaining ring, and the periphery of the spherical circular plate does not contact the retaining ring.

[0039] When the vehicle body and door frame are in a tilted state, the center of gravity of the hanging hammer deviates from the axis of the hollow piston. When the pull wire 2 is pulled, the hollow piston moves along the axis of the attitude sensor housing toward the lower part of the attitude sensor housing. The retaining ring will hook the circular plate and drive the hanging hammer to move downward. The movable pin is driven by the pull wire 1 to overcome the elastic force of the spring and move axially backward. The movable pin is disengaged from the socket, and the active fork arm can rotate around the fixed pin relative to the gear fan. The window glass and the glass lifting support plate can then be lowered to the lowest position under gravity.

[0040] If the window glass needs to be reset after being lowered, the rotation of the gear will drive the gear fan, movable pin, etc. to rotate around the fixed pin relative to the active fork arm, and the inclined surface of the movable pin gradually approaches and contacts the inclined surface of the active fork arm, and the active fork arm pushes the movable pin to overcome the elastic force of the elastic element and move backward along the axis, and the front end surface of the movable pin gradually withdraws from the slide groove; when the gear fan and movable pin rotate around the fixed pin until the movable pin and the socket are coaxial, the movable pin moves forward under the action of the spring and extends into the gear fan hole and the socket, and the active fork arm, gear fan and movable pin form a fixedly connected whole again, and the scissor-type glass lifting device works normally, and the lifting and lowering of the window glass is achieved by the rotation of the gears.

[0041] Such a device is installed inside each car door. When multiple people are riding at the same time, if a fall into the water occurs, all the car windows can be lowered to increase the number of escape routes.

[0042] This technology provides a detachable and repositionable car window glass lifter, which mainly includes a scissor-type glass lifter and a posture sensor. The scissor-type glass lifter and the posture sensor are connected by a pull wire with a shell. The posture sensor is also connected to the door catch or other part on the car door through a pull wire with a shell.

[0043] The scissor-type glass lift mechanism includes a glass lift support plate 1, a fixed guide plate 2, a driven fork arm 3, an active fork arm 4, a gear sash 5, a gear 6, a movable pin assembly 7, and a fixed pin 8. The vehicle window is fixed to the glass lift support plate. The active and passive fork arms are connected at the center by a pin, allowing them to rotate relative to each other. The upper ends of the two fork arms are mounted in side grooves on the glass lift support plate via bearings or rollers, allowing for left and right movement. The lower end of the passive fork arm is mounted in a side groove on the fixed guide plate via bearings or rollers, also allowing left and right movement. One end of the gear sash 5 has a middle slot running through its thickness. The lower end of the active fork arm 4 passes through the slot in the gear sash and is connected to the gear sash via a movable pin assembly 7 and a fixed pin 8. The fixed pin is fixed to a bracket inside the vehicle door. At all times, the gear sash can only rotate about the fixed pin.

[0044] The movable pin assembly 7 is composed of a movable pin 18, a movable pin housing 17, and a spring 16. At the position of the movable pin assembly, there are small holes (sockets and tooth fan holes) on the active fork arm and the gear fan. When the two holes are aligned, the movable pin moves axially in the hole and, together with the fixed pin, connects the two components, the gear fan and the active fork arm, together, and cannot rotate. The rear end of the movable pin is connected to a pull wire 9. When the pull wire is pulled, the movable pin overcomes the force of the spring and moves outward, canceling the connecting function of the movable pin. The active fork arm and the gear fan are only connected by the fixed pin. The active fork arm cannot be supported and will fall off. Gear 6 is connected to a conventional glass lift drive motor. When the motor rotates, it drives the gear fan to rotate around the fixed pin, thereby changing the angle between the two fork arms and causing the glass lift support plate to move up and down, thereby achieving the raising and lowering of the car window glass.

[0045] The attitude sensor comprises an attitude sensor housing 10, a hollow piston 11, a pendant 12, and a return spring 14. The attitude sensor housing is a cylindrical hollow can, with the pendant and hollow piston mounted within its inner cavity. The housing's two end caps have small holes (a wire hole and a guide rod hole) centered on the center. A pull wire 9 passes through the holes in the upper end, suspending the pendant at the upper end of the inner cavity. The pendant can swing freely 360 degrees, forming an inverted umbrella structure with teeth along its edges. The upper portion of the hollow piston resembles a cylindrical open cup, while the lower portion is a central axis (guide rod). The outer diameter of the upper portion matches the inner diameter of the attitude sensor housing, and the central axis fits neatly into the guide rod hole at the lower end. This mounting arrangement allows the movable hollow piston to move freely axially within the inner cavity of the attitude sensor housing. The return spring is positioned between the hollow piston and the lower end cap of the attitude sensor housing. Cable 2, connected to the top of the central axis at the lower end of the hollow piston, allows the hollow piston to move freely within the cavity of the attitude sensor housing. When the car tilts, the attitude sensor housing also tilts, but the internal weight remains vertical. At this time, pulling the door latch pulls cable 1 through cable 2, the hollow piston, and the weight. When the car is in a stable position, the force of cable 2 is not transmitted to cable 1.

[0046] The device has a compact structure and is easy to install in the cavity inside the car door. It adopts a completely mechanical structure, which can make the car window glass fall off, lower and reset in an emergency, and has high reliability.

Claims

1. A scissor-type window glass lifter, comprising an active fork arm, a driven fork arm, a fixed guide plate, a glass lift support plate, a gear fan, and a gear. The gear fan is rotatably mounted on the door frame via a fixed pin. The characteristics of the scissor-type window glass lifter are: A slot is provided in the middle of the gear sector, and the lower portion of the active fork arm passes through the slot and is hinged to the fixed pin; a socket is provided at the lower portion of the active fork arm; a gear sector hole communicating with the slot is provided on the side surface of the gear sector on one side of the slot, and a movable pin housing surrounding the gear sector hole is fixed on the side surface of the gear sector, and the movable pin is slidably arranged in the gear sector hole; an elastic element is provided between the movable pin housing and the movable pin to allow the movable pin to extend into the gear sector hole and the socket in a normal state; When the window glass and the glass lift support plate are not in the lowest position, the elastic force of the elastic element is overcome to pull the movable pin so that the movable pin is disengaged from the socket, and the active fork arm can swing freely around the fixed pin relative to the gear sash, and the window glass and the glass lift support plate are lowered to the lowest position under the action of gravity.

2. The scissor-type window regulator according to claim 1, wherein: The side surface of the active fork arm is an inclined surface, and the front end surface of the movable pin is an inclined surface; when the vehicle window glass and the glass lifting support plate drop to the lowest position under the action of gravity, the movable pin moves forward under the action of the elastic element and extends into the slide groove, and the inclined surface of the movable pin is opposite to the inclined surface of the active fork arm up and down. When the gear sector rotates around the fixed pin, the inclined surface of the movable pin gradually contacts the inclined surface of the active fork arm, and the active fork arm pushes the movable pin to move backward along the axis, and the front end surface of the movable pin gradually withdraws from the slide groove; when the socket and the movable pin are coaxial, the movable pin moves forward under the action of the elastic element and extends into the gear sector hole and the socket.

3. The scissor-type window regulator according to claim 2, wherein: The movable pin is connected to the front end of a pull wire passing through the movable pin housing. When the pull wire is pulled, the movable pin is driven to move axially backward to overcome the elastic force of the elastic element, and the front end surface of the movable pin withdraws from the slide groove.

4. The scissor-type window regulator according to claim 3, wherein: When the movable pin moves backward until the rear end of the movable pin contacts the movable pin housing, the movable pin cannot move further backward. At this time, the front end surface of the movable pin is located in the gear sector hole.

5. The scissor-type window regulator according to claim 2 or 3, wherein: A posture sensor housing with an axis extending up and down is fixed on the door frame, and a hollow piston that can move along the axis of the posture sensor housing is provided inside the posture sensor housing; a return spring is provided between the hollow piston and the posture sensor housing to keep the hollow piston away from the lower part of the posture sensor in a normal state; the lower end of the hollow piston is connected to a pull wire 2 that passes through the posture sensor housing and is used to pull the hollow piston downward; the upper end of the hollow piston has a clamping ring extending toward the axis of the hollow piston; a wire hole is opened in the center of the upper end of the posture sensor housing, and the rear end of the pull wire 1 passes through the wire hole. The hole is connected to the upper end of the hammer, and the lower end of the hammer is a circular plate, which is located in the hollow part of the hollow piston; when the vehicle body on which the door frame is installed is in a horizontal state, the center of gravity of the hammer is located on the axis of the hollow piston, and when the hollow piston moves along the axis of the attitude sensor housing, the circular plate passes through the retaining ring; when the vehicle body and the door frame are in an inclined state, the center of gravity of the hammer deviates from the axis of the hollow piston, and when the hollow piston moves along the axis of the attitude sensor housing toward the lower part of the attitude sensor housing, the retaining ring will hook the circular plate to drive the hammer to move downward, and drive the movable pin to move backward through the pull wire.

6. The scissor-type window regulator according to claim 5, wherein: The upper part of the periphery of the circular plate and the lower part of the periphery of the clamping ring are provided with clamping teeth which engage with each other.

7. The scissor-type window regulator according to claim 5, wherein: An adjusting bolt is connected to the center upper end of the attitude sensor housing through a thread, and a wire hole is opened in the center of the adjusting bolt.

8. The scissor-type window regulator according to claim 5, wherein: A buffer layer for reducing the impact of the circular plate of the hanging hammer on the inner wall of the hollow part is arranged on the inner wall of the hollow part of the hollow piston.

9. The scissor-type window regulator according to claim 5, wherein: The lower end of the hollow piston has a guide rod passing through the center of the lower end of the attitude sensor housing, the guide rod is connected to the second pull wire, and a return spring is arranged around the guide rod between the lower end of the hollow piston and the lower end of the attitude sensor housing; a limit ring is provided on the guide rod outside the attitude sensor housing; when the limit ring contacts the attitude sensor housing, the hollow piston is located at the highest position away from the lower part of the attitude sensor housing.

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