Transmission mechanism of glass lifter

Abstract

The utility model discloses a glass lifter transmission mechanism which comprises a base, a line wheel cover and a driving motor, a line wheel groove and a wiring groove are formed in the base, a driving wheel is rotationally arranged in the line wheel groove, the line wheel cover covers the line wheel groove, a first screw connector is arranged on the side, close to an output shaft of the driving motor, of the line wheel cover, and a second screw connector is arranged on the side, close to the output shaft of the driving motor, of the line wheel cover. One side of the wire wheel groove is provided with a first screw interface, the other side of the wire wheel groove is provided with a second screw interface, and a distance difference exists between the distance from the first screw interface to the center of the wire wheel groove and the distance from the second screw interface to the center of the wire wheel groove; the first connecting port and the second connecting port are symmetrically arranged relative to the central axis, the third connecting port and the fourth connecting port are symmetrically arranged relative to the central axis, the first connecting port is arranged corresponding to the position of the first screw interface, and the third connecting port is arranged corresponding to the position of the second screw interface. The base structure is simple in structure, left-right universality of the base structure can be achieved, production and machining cost is reduced, and economic benefits are improved.

Description

Technical Field

[0001] The utility model relates to a glass lifter transmission mechanism. Background Art

[0002] The glass lifter is a lifting device for the glass of automobile doors and windows. The glass lifter mainly includes a guide rail, a slide plate, a reversing wheel and a transmission mechanism. The slide plate is slidably set on the guide rail and connected to the transmission mechanism through a steel cable after passing through the reversing wheel. The glass is installed on the slide plate, and the sliding of the slide plate is driven to realize the control of the glass lifting. The existing transmission mechanism usually includes a seat body, a wire wheel cover and a driving motor. The seat body is provided with a wire wheel groove and a wiring groove. The wire wheel groove is provided with a driving wheel. The wiring groove is penetrated with a steel cable. The steel cable is connected to the driving wheel by transmission. The wire wheel cover is connected to the driving motor. The output end of the driving motor is connected to the driving wheel by transmission. Since the car window is usually designed to be bilaterally symmetrical, two sets of symmetrical structures need to be designed when the wire wheel cover of the transmission mechanism cooperates with the seat body to meet the use requirements. This leads to high production costs and is not conducive to improving corporate benefits. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a glass lifter transmission mechanism, which has a simple structure and can realize left and right universal use of a base structure, thereby reducing production and processing costs and improving economic benefits.

[0004] To achieve the above-mentioned purpose, the utility model provides a glass lifter transmission mechanism, including a base, a wire wheel cover and a driving motor, wherein the base is provided with a wire wheel groove and a wire routing groove passing through the wire wheel groove, a driving wheel is rotatably provided in the wire wheel groove, the driving motor is connected to the wire wheel cover, the wire wheel cover is provided on the wire wheel groove, the output shaft of the driving motor penetrates the wire wheel cover and is provided at a corresponding position of the corresponding driving wheel, the wire wheel cover is provided with at least one first screw interface on a side close to the output shaft of the driving motor, and the wire wheel cover is provided with at least one second screw interface on a side away from the output shaft of the driving motor, a distance difference exists between the distance from the first screw interface to the center of the wire wheel groove and the distance from the second screw interface to the center of the wire wheel groove, the base is symmetrically arranged with respect to the central axis, the center point of the wire wheel groove is arranged on the central axis, the base is provided with a first connection port, a second connection port, a third connection port and a fourth connection port, the first connection port and the second connection port are symmetrically arranged with respect to the central axis, the third connection port and the fourth connection port are symmetrically arranged with respect to the central axis, the first connection port is arranged corresponding to the position of the first screw interface, and the third connection port is arranged corresponding to the position of the second screw interface.

[0005] The beneficial effect of such an arrangement is that, by providing an additional connection port, the base need not be replaced when it is installed in different directions, and only the wire wheel cover needs to be replaced, so that left and right sides can be shared and the purpose of platformization is achieved. Furthermore, as a preferred embodiment, the screws on the connection port can adopt a long screw structure, which can not only lock the motor, but also achieve fixation to the vehicle door, thereby improving the compactness of the structure. At the same time, the structure is simple, easy to implement, and has a good use effect.

[0006] As a further configuration of the present invention, a fastening platform is provided on the base in the circumferential direction of the first connection port, the second connection port, the third connection port and the fourth connection port.

[0007] The beneficial effect of such arrangement is that such arrangement ensures the strength of the connection port position, makes it cooperate with the screw more tightly, is not easy to loosen, and has a good use effect.

[0008] As a further configuration of the utility model, the base is further provided with a surrounding platform in the circumferential direction of the fastening platform, and a connecting rib is provided between the fastening platform and the surrounding platform.

[0009] The beneficial effect of such arrangement is that such arrangement further improves the strength of the connection port position, ensures the reliability of the structure, and has a good use effect.

[0010] As a further configuration of the utility model, a pre-tensioning seat is provided at the opening position of the wiring groove, a pre-tensioning hole is provided in the center of the pre-tensioning seat for the steel cable to pass through, a pre-tensioning spring is provided between the pre-tensioning seat and the base, a connecting protrusion is provided on the pre-tensioning seat, and the pre-tensioning spring is sleeved on the connecting protrusion.

[0011] The beneficial effect of such arrangement is that such arrangement can better pre-tighten the steel cable, avoid the problem of starting jitter caused by excessive idle travel, and has a good use effect.

[0012] As a further configuration of the present invention, the number of the first screw interface is one, and the number of the second screw interface is two.

[0013] The beneficial effect of such arrangement is that, by setting a total of three screw interfaces, the connection is made more reliable, thereby improving the reliability of the structure.

[0014] As a further configuration of the present invention, two first screw interfaces are provided, and one second screw interface is provided.

[0015] The beneficial effect of such arrangement is that, by setting a total of three screw interfaces, the connection is made more reliable, thereby improving the reliability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 It is a rear view of an embodiment of the utility model. DETAILED DESCRIPTION

[0018] The implementation of the glass lifter transmission mechanism of the utility model is as follows: Figure 1 and Figure 2 As shown: it includes a base 1, a wire wheel cover 2 and a driving motor 3, the base 1 is provided with a wire wheel groove and a wire routing groove 11 passing through the wire wheel groove, a driving wheel is rotatably provided in the wire wheel groove, the driving motor 3 is connected to the wire wheel cover 2, the wire wheel cover 2 is provided on the wire wheel groove, the output shaft of the driving motor 3 penetrates the wire wheel cover 2 and is provided at a corresponding position of the corresponding driving wheel, the wire wheel cover 2 is provided with a first screw interface 21 on a side close to the output shaft of the driving motor 3, and the wire wheel cover 2 is provided with two second screw interfaces 22 on a side away from the output shaft of the driving motor 3, the first screw interface 21 to the wire wheel groove There is a distance difference between the distance from the center of the second screw interface 22 to the center of the wire wheel groove, the base 1 is symmetrically arranged relative to the central axis, the center point of the wire wheel groove is arranged on the central axis, the base 1 is provided with a first connection port 41, a second connection port 42, a third connection port 43 and a fourth connection port 44, the first connection port 41 and the second connection port 42 are symmetrically arranged relative to the central axis, the third connection port 43 and the fourth connection port 44 are symmetrically arranged relative to the central axis, the first connection port 41 is arranged corresponding to the position of the first screw interface 21, and the third connection port 43 is arranged corresponding to the position of the second screw interface 22. The beneficial effect of such arrangement is that by setting an additional connection port, the base 1 does not need to be replaced when it is required to be installed in different directions, and only the wire wheel cover 2 needs to be replaced, so that left and right sharing is achieved, and the purpose of platformization is achieved. Further, as a preferred embodiment, the screws matched on the connection port can adopt a long screw structure, which can not only lock the motor, but also achieve fixation with the car door, improve the compactness of the structure, and at the same time, the structure is simple, which is easy to implement and has a good use effect.

[0019] As a further configuration of this embodiment, the base 1 is provided with fastening platforms 12 in the circumferential direction of the first connection port 41, the second connection port 42, the third connection port 43 and the fourth connection port 44. The beneficial effect of such configuration is that such configuration ensures the strength of the connection port position, makes it more tightly matched with the screw, is not easy to loosen, and has a good use effect.

[0020] As a further configuration of this embodiment, the base 1 is further provided with a surrounding platform 13 in the circumferential direction of the fastening platform 12, and a connecting rib is provided between the fastening platform 12 and the surrounding platform 13. The beneficial effect of this configuration is that the strength of the connection port is further improved, the reliability of the structure is ensured, and a good use effect is achieved.

[0021] As a further configuration of this embodiment, a pre-tightening seat 5 is provided at the opening of the wiring groove 11, a pre-tightening hole is provided in the center of the pre-tightening seat 5 for the steel cable to pass through, a pre-tightening spring 51 is provided between the pre-tightening seat 5 and the base 1, a connecting protrusion is provided on the pre-tightening seat 5, and the pre-tightening spring 51 is sleeved on the connecting protrusion. The beneficial effect of this configuration is that the steel cable can be pre-tightened better, the start-up jitter problem caused by excessive idle travel can be avoided, and good use effect can be achieved.

[0022] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A glass lifter transmission mechanism, comprising a base, a wire wheel cover and a driving motor, wherein the base is provided with a wire wheel groove and a wire routing groove passing through the wire wheel groove, a driving wheel is rotatably provided in the wire wheel groove, the driving motor is connected to the wire wheel cover, the wire wheel cover is provided on the wire wheel groove, the output shaft of the driving motor penetrates the wire wheel cover and is provided at a corresponding position of the corresponding driving wheel, characterized in that: The wire wheel cover is provided with at least one first screw interface on the side close to the output shaft of the driving motor, and at least one second screw interface is provided on the wire wheel cover on the side away from the output shaft of the driving motor. There is a distance difference between the distance from the first screw interface to the center of the wire wheel groove and the distance from the second screw interface to the center of the wire wheel groove. The base is symmetrically arranged with respect to the central axis, and the center point of the wire wheel groove is arranged on the central axis. The base is provided with a first connecting port, a second connecting port, a third connecting port and a fourth connecting port. The first connecting port and the second connecting port are symmetrically arranged with respect to the central axis, and the third connecting port and the fourth connecting port are symmetrically arranged with respect to the central axis. The first connecting port is arranged corresponding to the position of the first screw interface, and the third connecting port is arranged corresponding to the position of the second screw interface.

2. The glass lifter transmission mechanism according to claim 1, characterized in that: The base is provided with a fastening platform in the circumferential direction of the first connection port, the second connection port, the third connection port and the fourth connection port.

3. The glass lifter transmission mechanism according to claim 2, characterized in that: The base is further provided with a surrounding platform in the circumferential direction of the fastening platform, and a connecting rib is provided between the fastening platform and the surrounding platform.

4. The glass lifter transmission mechanism according to claim 1, characterized in that: A pre-tensioning seat is arranged at the opening position of the wiring groove, a pre-tensioning hole is opened in the center of the pre-tensioning seat for the steel cable to pass through, a pre-tensioning spring is arranged between the pre-tensioning seat and the base, a connecting boss is arranged on the pre-tensioning seat, and the pre-tensioning spring is sleeved on the connecting boss.

5. The glass lifter transmission mechanism according to claim 1, characterized in that: The number of the first screw interface is one, and the number of the second screw interface is two.

6. The window lifter transmission mechanism according to claim 1, characterized in that: The number of the first screw interface is two, and the number of the second screw interface is one.

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