Car window motor with anti-pinch function

Abstract

The utility model discloses a car window motor with an anti-pinch function, and particularly relates to the technical field of car window motors, the car window motor comprises a motor main body and a worm gear assembly connected with the motor main body, one side of the motor main body is fixedly provided with an anti-pinch detection assembly, the anti-pinch detection assembly comprises a detection box, a mounting frame is fixedly arranged in the detection box, and the worm gear assembly is connected with the motor main body. The front end of the mounting frame is detachably connected with a screen plate, the front end of the screen plate is detachably connected with a detection device connected with the motor main body, and the rear end of the mounting frame is detachably connected with a cooling fan. The driving effect is achieved through cooperation of the motor body and the worm gear assembly, the current sensor in the detection box is used for monitoring the current of the motor body in real time, the motor body is triggered to stop and rotate by monitoring the current change, a car window is prevented from being continuously lifted, the anti-pinch function is further achieved, meanwhile, the cooling fan is arranged for cooling, and the service life of the car window is prolonged. The detection precision is prevented from being affected by over-high temperature during long-term operation of the current sensor.

Description

TECHNICAL FIELD

[0001] The utility model relates to a car window motor technology field, more specifically, a car window motor with anti-pinch function. BACKGROUND

[0002] The car window motor is the core component of the car window lifting system. The car window motor is usually composed of a motor, a worm gear assembly, a transmission mechanism and a control circuit. The motor is a power generating component, generally a direct current permanent magnet motor; the worm gear assembly is used to change the driving direction; the transmission mechanism is responsible for transmitting power from the motor to the car window glass, commonly in the form of gear rack or steel wire rope; the control circuit is used to control the forward and reverse rotation of the motor, thereby realizing the lifting function of the car window. When the driver operates the car window lifting switch, the control circuit will connect the positive and negative poles of the power supply to different wiring terminals of the car window motor according to the instructions of the switch, so that the motor produces forward or reverse rotation. The motor drives the transmission mechanism through the worm gear assembly, and then makes the car window glass rise or fall along the guide rail. When the car window reaches the highest or lowest position, the limit switch will cut off the circuit to stop the motor from running, preventing damage caused by excessive lifting of the car window.

[0003] For example, the prior art with publication number CN220226584U discloses a car window motor, which is provided with a sound-absorbing plate for noise reduction of the motor body. When the motor vibrates, the rotating roller drives the plate body, the supporting plate and the fixed rod to move, compresses the spring, and then performs shock absorption. The shell side contact plate contacts the motor body, and the motor body is further noise-reduced by the connecting rod and the second spring. The buffer component, the buffer component and the sound-absorbing plate are used in cooperation, and the motor body has better shock absorption and noise reduction effect.

[0004] However, the above-mentioned prior art has the following problems when in use: the existing car window motor cannot stop when there is an object between the car window and the door during operation, and will continue to drive the car window to lift and close, thus posing a safety hazard. Based on this, the utility model provides a car window motor with anti-pinch function. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a car window motor with anti-pinch function. The motor body cooperates with the worm gear assembly to realize driving effect, and the current sensor in the detection box is used to monitor the current of the motor body in real time. By monitoring the current change, the motor body is triggered to stop and reverse, avoiding continuous lifting of the car window, thereby achieving the anti-pinch function. At the same time, a cooling fan is arranged for heat dissipation, avoiding the influence of long-term operation of the current sensor on the detection accuracy due to high temperature, thereby solving the problems in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a car window motor with anti -pinching function, including motor main part and the worm wheel assembly connected with motor main part, motor main part one side is equipped with anti -pinching detection component, the anti -pinching detection component includes detection box, the inside fixed mounting frame of detection box, the front end of mounting frame is detachably connected with the screen, the front end of screen is detachably connected with the detection device connected with motor main part, the rear end of mounting frame is detachably connected with the cooling fan, the inside of detection box is equipped with two rectangular frames, two rectangular frames are respectively arranged on the outside of cooling fan and detection device, the inside of two rectangular frames is fixed with filter screen, sets up filter screen and can filter dust and sundries in the external environment, to a certain extent, reduce the influence of dust and sundries to current sensor.

[0007] In a preferred embodiment, the detection device includes a current sensor connected to the motor body, which detects the current of the motor body in real time, and triggers the motor body to stop and reverse immediately when a sudden increase in current is detected, otherwise, the motor body operates normally until the window is closed.

[0008] In a preferred embodiment, the front end of the screen is fixed with two L-shaped rods, which are arranged on both sides of the current sensor. The two L-shaped rods facilitate the quick disassembly of the screen by the staff, so that the current sensor can be quickly removed from the detection box for maintenance and replacement.

[0009] In a preferred embodiment, the detection box is provided with a wiring hole near the motor body, which is arranged in front of the screen and used to place the wires connected between the current sensor and the motor body.

[0010] In a preferred embodiment, the detection box is provided with mounting grooves on the front and rear sides of the outer wall, and the two rectangular frames are fixed in the two mounting grooves. The mounting grooves facilitate the quick installation of the rectangular frames by the staff, thereby improving the installation efficiency.

[0011] In a preferred embodiment, the detection box is fixed with a fixed plate near the motor body, and the fixed plate and the motor body are fixed together by two fastening bolts. This facilitates the staff to loosen the fastening bolts and disassemble the detection box for maintenance.

[0012] The utility model discloses the technical effect and advantage:

[0013] 1、 the utility model discloses the motor main part and the worm wheel assembly cooperation realize driving effect, and use the current sensor in detection box real -time monitoring the current of motor main part, through monitoring the current variation, with this trigger motor main part stops and turns back, avoids the car window to continue to lift, and then plays the anti -pinching function, simultaneously, set up the cooling fan and carry out the heat dissipation, avoid the current sensor long -term operation temperature and influence the detection precision.

[0014] 2、By setting two filter screen inside the detection box, using filter screen to block dust and sundries in the external environment, while disassembling two rectangular frames, disassembling the net plate, it is convenient to overhaul and replace the current sensor, and it is also convenient for workers to disassemble and overhaul and replace the cooling fan. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole structure side view of the utility model;

[0017] Figure 3 It is the inside schematic view of the detection box of the utility model;

[0018] Figure 4 It is the back view of the detection box of the utility model;

[0019] Figure 5 It is the installation frame, net plate and cooling fan structure diagram of the utility model.

[0020] The figure mark is: 1, motor main body;2, worm gear assembly;3, anti-pinch detection assembly;4, rectangular frame;5, filter screen;6, L-shaped rod;7, wiring hole;8, installation groove;9, fixed plate;10, fastening bolt;

[0021] 31, detection box;32, installation frame;33, net plate;34, detection device;341, current sensor;35, cooling fan. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0023] Refer to the description accompanying drawings Figures 1-5The utility model provides a kind of car window motor with anti-pinch function, including motor main body 1 and the worm wheel assembly 2 being connected with motor main body 1, the anti-pinch detection assembly 3 is fixed in one side of motor main body 1, the anti-pinch detection assembly 3 includes detection box 31, the installation frame 32 is fixed in detection box 31, the net plate 33 is detachably connected in the front end of installation frame 32, the detection device 34 being connected with motor main body 1 is detachably connected in the front end of net plate 33, specifically, the detection device 34 includes the current sensor 341 being connected with motor main body 1, current sensor 341 can feel the information of measured current, and can change the information felt into the electric signal or other required form information output meeting certain standard needs according to certain law, to meet the transmission, processing, storage, display, record and control etc.

[0024] The installation frame 32 rear end detachably connected has heat dissipation fan 35, the detection box 31 is equipped with two rectangular frames 4 inside, two rectangular frames 4 are respectively arranged outside heat dissipation fan 35 and detection device 34, and, installation groove 8 is set up in the outer wall of detection box 31 before and after two sides, two rectangular frames 4 are respectively fixed in two installation grooves 8, and filter screen 5 is fixed in the inside of two rectangular frames 4.

[0025] The detection box 31 is equipped with wiring hole 7 near motor main body 1 side, the wiring hole 7 is arranged in the front of net plate 33, for placing the electric wire being connected with current sensor 341 and motor main body 1, and, in actual use, rubber block is placed in the inside of wiring hole 7, and the electric wire is passed through rubber block, which can seal to a certain extent.

[0026] The detection box 31 is fixed with fixed plate 9 near motor main body 1 side, and the fixed plate 9 is fixed together with motor main body 1 through two fastening bolts 10, and the detection box 31 can be disassembled for repair and replacement by loosening fastening bolt 10.

[0027] In actual use, the output shaft of motor main body 1 drives worm wheel assembly 2 to rotate, drives car window lifting structure to operate through worm wheel assembly 2, realizes the automatic lifting of car window, and current sensor 341 monitors the current of motor main body 1 in real time, immediately triggers motor main body 1 to stop and turns back when detecting current increases sharply and car window is hindered by object to generate resistance, so as to avoid car window to continue to lift, otherwise, motor main body 1 normally operates until window is closed, and the filter screen 5 in front of detection box 31 is inhaled, and the filter screen 5 behind detection box 31 is out of wind through heat dissipation fan 35 continuously, so as to play the role of heat dissipation, avoid the influence of detection accuracy due to temperature being too high for long-term operation of current sensor 341.

[0028] Refer to the attached drawings of the specification Figures 1-5The front end of the net plate 33 is fixedly provided with two L-shaped rods 6, and the two L-shaped rods 6 are arranged on both sides of the current sensor 341, so that the two L-shaped rods 6 facilitate the staff to quickly disassemble the net plate 33, and the current sensor 341 is quickly taken out from the detection box 31 for maintenance and replacement.

[0029] Finally: the above only for the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A car window motor with anti-pinch function, comprising a motor body (1) and a worm wheel assembly (2) connected with the motor body (1), characterized in that: The motor body (1) one side is equipped with anti-pinch detection assembly (3), anti-pinch detection assembly (3) includes detection box (31), the inside of detection box (31) is equipped with mounting frame (32), the front end of mounting frame (32) is detachably connected with net board (33), the front end of net board (33) is detachably connected with detection device (34) connected with motor body (1); The rear end of mounting frame (32) is detachably connected with cooling fan (35), the inside of detection box (31) is equipped with two rectangular frames (4), two rectangular frames (4) are respectively arranged outside cooling fan (35) and detection device (34), two rectangular frames (4) are all equipped with filter screen (5) inside.

2. The vehicle window motor with an anti-pinch function according to claim 1, wherein: The detection device (34) includes a current sensor (341) connected with the motor body (1); The current sensor (341) detects the current of the motor body (1) in real time, and triggers the motor body (1) to stop and reverse immediately when the current is detected to increase suddenly, otherwise, the motor body (1) operates normally until the window is closed.

3. The vehicle window motor with an anti-pinch function according to claim 2, wherein: The front end of the net board (33) is fixedly provided with two L-shaped rods (6), and the two L-shaped rods (6) are arranged on both sides of the current sensor (341).

4. The anti-pinch window motor of claim 1, wherein: The side of the detection box (31) close to the motor body (1) is provided with a wiring hole (7), and the wiring hole (7) is arranged in front of the net board (33).

5. The vehicle window motor with anti-pinch function according to claim 1, wherein: The front and rear sides of the detection box (31) are both provided with mounting grooves (8), and the two rectangular frames (4) are respectively fixed in the two mounting grooves (8).

6. The vehicle window motor with anti-pinch function according to claim 1, wherein: The side of the detection box (31) close to the motor body (1) is fixedly provided with a fixed plate (9), and the fixed plate (9) and the motor body (1) are fixed together by two fastening bolts (10).

Images