CN211818882U

CN211818882U - Automatic window power device

Info

Publication number: CN211818882U
Application number: CN201921980905.4U
Authority: CN
Inventors: 高飞; 齐春辉; 班雯
Original assignee: Fangde Beijing Iot Technology Co ltd
Current assignee: Fangde Beijing Iot Technology Co ltd
Priority date: 2019-11-17
Filing date: 2019-11-17
Publication date: 2020-10-30
Anticipated expiration: 2029-11-17

Abstract

The utility model provides an automatic window power device, it includes: the power mechanism is arranged on the lower cover body, the lower cover body is matched with the upper cover body, and the lower cover body is buckled on the upper cover body; the first transition gear is sleeved at the output end of the power mechanism and is in transmission connection with the clutch gear, the output main shaft is rotatably arranged on the upper cover body, the clutch gear is sleeved on the output main shaft in a vertically movable manner, the reset spring is sleeved on the output main shaft and is arranged between the upper cover body and the clutch gear, and the output end of the electromagnetic control mechanism is in transmission connection with the top end of the clutch gear; the output end of the power mechanism is a D-shaped shaft, and the plane of the D-shaped shaft is parallel to the first side face of the lower cover body.

Description

Automatic window power device

Technical Field

The utility model relates to an automatic window technical field especially relates to an automatic window power device.

Background

With the development of mobile internet and miniaturized and intelligent equipment, smart homes are gradually popularized in life. The automatic window opening and closing device serves as a component of the intelligent home, can be used for automatically opening a window for ventilation according to different presets, closing the window for wind and rain prevention and the like, and can be used for realizing remote control by combining a relevant controller.

The existing automatic window opening and closing device is generally driven by a low-voltage direct current motor and is connected with a door or a window through a chain or a connecting rod. The switching devices of the prior art are not easy to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide an automatic window power device.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an automatic window power unit, comprising: the clutch gear mechanism comprises a power mechanism, a first transition gear, an upper cover body, a lower cover body, a clutch gear, a return spring, an output main shaft and an electromagnetic control mechanism for controlling the clutch gear to move up and down, wherein the power mechanism is arranged on the lower cover body, the lower cover body is matched with the upper cover body, and the lower cover body is buckled on the upper cover body; the first transition gear is sleeved at the output end of the power mechanism and is in transmission connection with the clutch gear, the output main shaft is rotatably arranged on the upper cover body, the clutch gear is sleeved on the output main shaft in a vertically movable manner, the reset spring is sleeved on the output main shaft and is arranged between the upper cover body and the clutch gear, and the output end of the electromagnetic control mechanism is in transmission connection with the top end of the clutch gear; the output end of the power mechanism is a D-shaped shaft, and the plane of the D-shaped shaft is parallel to the first side face of the lower cover body.

The utility model has the advantages that: the plane of the D-shaped shaft is parallel to the first side face of the lower cover body, so that the power mechanism and the first transition gear can be conveniently installed and maintained, and the efficiency is improved. The clutch gear is controlled by the electromagnetic control mechanism to move up and down, so that the clutch gear can be separated from or meshed with other transmission gears according to actual requirements, and the manual mode and the automatic mode of the automatic window power device are switched.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, still include: the first transition gear is in transmission connection with the second transition gear, the gear shaft is rotatably arranged on the upper cover body, the second transition gear is sleeved on the gear shaft, and the second transition gear is connected with the gear shaft through a first screw;

in the clutch suction state, the clutch gear is meshed with the second transition gear;

in a clutch open state, the clutch gear is disengaged from the second transition gear.

The beneficial effect of adopting the further scheme is that: the second transition gear is connected with the gear shaft through the first screw, so that the second transition gear is convenient to install and maintain, the clutch gear is controlled to move up and down through the electromagnetic control mechanism, the clutch gear can be separated from or meshed with the second transition gear according to actual requirements, and the manual mode and the automatic mode of the clutch gear are switched.

Further, the output main shaft is a polygonal mechanism, a polygonal hole matched with the output main shaft is formed in the middle of the clutch gear, and the clutch gear is sleeved on the output main shaft through the polygonal hole in a vertically movable mode.

The beneficial effect of adopting the further scheme is that: the polygon mechanism is arranged so that the clutch gear and the output spindle can be interlocked, and the clutch gear can slide along the axial direction of the output spindle.

Further, the power mechanism comprises: the motor is in transmission connection with the first transition gear through the gearbox, and the gearbox is connected with the lower cover body through the second screw; the output shaft of the gearbox is the output end of the power mechanism, the first transition gear is sleeved on the output shaft of the gearbox, a sleeve is arranged at the top end of the first transition gear and connected with the first transition gear, the sleeve is fixed on the output shaft of the gearbox through the third screw, and the end face of the top end of the sleeve is higher than the end face of the top end of the output shaft of the gearbox.

The beneficial effect of adopting the further scheme is that: the top end face of the sleeve is higher than the top end face of the output shaft of the gearbox, so that the sleeve is convenient to install, the output shaft of the gearbox is prevented from being collided by other parts, and the sleeve plays a role in protecting the output shaft of the gearbox. The gearbox adjusts the rotating speed and the torque of the motor, and converts the high rotating speed and the small torque of the motor into low speed and large torque.

Further, the transmission case includes: the motor is in transmission connection with the worm gear through the multi-stage gear, the worm is an output shaft of the gearbox, and the top end face of the sleeve is 0.5-1.5 mm higher than that of the worm.

The beneficial effect of adopting the further scheme is that: the top end face of the sleeve is 0.5-1.5 mm higher than that of the worm, and the sleeve protects the worm and prevents the worm from being damaged by other parts. The arrangement of the worm and gear mechanism enables the automatic window power device to have a self-locking function under the condition that the motor is powered off, and stability and reliability of the automatic window power device are improved.

Further, the electromagnetic control mechanism includes: the electromagnetic control mechanism comprises a shifting fork, an electromagnet seat and an electromagnet part which is electrified to generate a magnetic field, wherein the shifting fork is the output end of the electromagnetic control mechanism, the middle part of the shifting fork is hinged with the top of the electromagnet seat, one end of the shifting fork is abutted against the top end of the clutch gear, and the other end of the shifting fork is hinged with the upper cover body;

the electromagnet part is arranged on the upper cover body, and the electromagnet seat is arranged at the top end of the electromagnet part;

under the clutch suction state, the electromagnet seat is abutted with the electromagnet part;

in the clutch open state, the electromagnet seat is separated from the electromagnet member.

The beneficial effect of adopting the further scheme is that: the shifting fork is used for pressing the clutch gear to realize the engagement between the clutch gear and the second transition gear, and the electromagnetic control mechanism is used for controlling the up-and-down movement of the shifting fork to realize the automatic adjustment of the clutch.

Further, still include: the magnetic isolation copper sleeve is inserted in the middle of the electromagnet component in an interference fit or transition fit mode, a guide shaft is arranged at the bottom of the electromagnet seat, and the guide shaft is inserted in the magnetic isolation copper sleeve; the top end face of the electromagnet part is higher than that of the magnetism isolating copper sleeve, the electromagnet seat is made of metal, and the electromagnet part is installed on the upper cover body through a fourth screw.

The beneficial effect of adopting the further scheme is that: the arrangement of the magnetism isolating copper sleeve is used for isolating a magnetic field and preventing the electromagnet component from attracting the guide shaft to block the movement of the guide shaft, and the arrangement of the guide shaft is used for limiting the movement position of the electromagnet seat. The electromagnet seat is made of metal, so that the electromagnet component generates a magnetic field after being electrified, and the electromagnet seat made of metal is attracted.

Further, a coil for generating a magnetic field is arranged in the electromagnet component, and the coil is connected with a power supply.

The beneficial effect of adopting the further scheme is that: the coil is arranged so that the electromagnet component can generate a magnetic field after being electrified.

Furthermore, a shifting fork limiting mechanism is arranged on the upper cover body, one end of the shifting fork limiting mechanism is connected with the upper cover body, and the other end of the shifting fork limiting mechanism is arranged above the electromagnet seat;

the shifting fork limiting mechanism is in an L shape, and the shifting fork is a rod-shaped mechanism;

the other end of the shifting fork is hinged with the shifting fork limiting mechanism through a cylindrical pin, and the middle part of the shifting fork is hinged with the top of the electromagnet seat through the cylindrical pin;

the stroke of electromagnet seat is 1.2 millimeters.

The beneficial effect of adopting the further scheme is that: the pin mode is connected, and the installation and the maintenance of part are convenient for, raise the efficiency. The setting of shift fork stop gear for the motion range of restriction shift fork and magnet seat prevents that shift fork and magnet seat from popping out, improves the stability and the reliability of clutch. Due to the adoption of the shifting fork limiting mechanism and the shifting fork mechanism, the production cost is reduced, and the installation and the maintenance are convenient.

Further, the first side surface of the lower cover body is a surface opposite to the installation position of the power mechanism, and the upper cover body and the lower cover body are made of aluminum alloy.

The beneficial effect of adopting the further scheme is that: the plane of the D-shaped shaft is parallel to the first side face of the lower cover body, so that the power mechanism and the first transition gear can be conveniently installed and maintained, and the efficiency is improved. The setting of lower lid for prevent that the external world from hindering the motion of the inside mechanism of clutch, prevent that the dust from getting into the clutch inside, improve the clean and tidy nature of mechanism.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 2 is a second schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 3 is a third schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 4 is a fourth schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 5 is a fifth schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 6 is a sixth schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 7 is a seventh schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 8 is an eighth schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 9 is a ninth schematic view illustrating a structure of an automatic window power device according to an embodiment of the present invention.

Fig. 10 is a tenth schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 11 is an eleventh schematic view illustrating a structure of an automatic window power device according to an embodiment of the present invention.

Fig. 12 is a twelfth schematic structural view of an automatic window power device according to an embodiment of the present invention.

Fig. 13 is a thirteen schematic structural views of an automatic window power device according to an embodiment of the present invention.

Fig. 14 is a fourteenth schematic structural diagram of an automatic window power device according to an embodiment of the present invention.

The reference numbers illustrate: 1-upper cover body; 2-clutch gear; 3-a return spring; 4-output spindle; 5-an electromagnetic control mechanism; 6-a second transition gear; 7-gear shaft; 8-a shifting fork; 9-electromagnet seat; 10-an electromagnet member; 12-a fork spacing mechanism; 13-a lower cover body; 14-a power mechanism; 15-a first transition gear; 17-a first side; 18-a first screw; 19-a second screw; 20-a third screw; 21-a sleeve; 22-magnetic isolation copper sleeve; 23-a guide shaft; 24-a fourth screw; 25-cylindrical pins; 26-gearbox output shaft.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 4, fig. 1 is a schematic structural diagram of an automatic window power device according to an embodiment of the present invention. Fig. 2 is a second schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 3 is a third schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 4 is a fourth schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 5 is a fifth schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 6 is a sixth schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 7 is a seventh schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 8 is an eighth schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 9 is a ninth schematic view illustrating a structure of an automatic window power device according to an embodiment of the present invention. Fig. 10 is a tenth schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 11 is an eleventh schematic view illustrating a structure of an automatic window power device according to an embodiment of the present invention. Fig. 12 is a twelfth schematic structural view of an automatic window power device according to an embodiment of the present invention. Fig. 13 is a thirteen schematic structural views of an automatic window power device according to an embodiment of the present invention. Fig. 14 is a fourteenth schematic structural diagram of an automatic window power device according to an embodiment of the present invention.

An embodiment of the utility model provides an automatic window power device, it includes: the clutch mechanism comprises a power mechanism 14, a first transition gear 15, an upper cover body 1, a lower cover body 13, a clutch gear 2, a return spring 3, an output main shaft 4 and an electromagnetic control mechanism 5 for controlling the clutch gear 2 to move up and down, wherein the power mechanism 14 is arranged on the lower cover body 13, the lower cover body 13 is matched with the upper cover body 1, and the lower cover body 13 is buckled on the upper cover body 1; the first transition gear 15 is sleeved at the output end of the power mechanism 14, the first transition gear 15 is in transmission connection with the clutch gear 2, the output spindle 4 is rotatably arranged on the upper cover body 1, the clutch gear 2 is sleeved on the output spindle 4 in a manner of being capable of moving up and down, the reset spring 3 is sleeved on the output spindle 4, the reset spring 3 is arranged between the upper cover body 1 and the clutch gear 2, and the output end of the electromagnetic control mechanism 5 is in transmission connection with the top end of the clutch gear 2; the output end of the power mechanism 14 is a D-shaped shaft, and the plane of the D-shaped shaft is parallel to the first side surface 17 of the lower cover 13.

A gearbox: the speed reducer consists of a worm gear, a worm, a multistage straight gear and the like, and can reduce the input high-rotating-speed low-torque and then output low-rotating-speed high-torque. An electromagnetic clutch: the gear is controlled to be combined and separated through the attraction and the separation of the electromagnet, so that power is transmitted and cut off.

The utility model relates to an assembly process of a power device for an automatic window opening and closing device.

The utility model discloses an automatic window switching device internally designed electromagnetic clutch can be through the switching of switch or program control automatic switch window and hand switch window, and the switching process is simple and convenient. The power device of the automatic window opening and closing device is connected with the window body through the connecting rod and the guide rail, and outputs the torsion for opening and closing the window according to the control instruction. The automatic window opening and closing device is composed of a direct current motor, a gearbox, an electromagnetic clutch device and the like. The direct current motor outputs different rotating speeds of positive and negative rotation according to the control instruction; the gearbox reduces the output rotating speed of the motor, and increases the torque; the electromagnetic clutch device can output the power of the gearbox to the main shaft or cut off according to the control command.

Because of the transmission device, multi-stage speed reduction, positive and negative rotation, meshing and separation of gears, more parts and more complex assembly process.

The utility model discloses the technical problem that will solve is: in a transmission device composed of a plurality of parts, in order to ensure that the transmission device can reliably realize multi-stage speed reduction, forward and reverse rotation and meshing and separation of gears, a feasible assembly process needs to be made according to actual conditions.

Firstly, the motor is electrified, and the output shaft is rotated, so that the D-shaped shaft plane is approximately parallel to the motor shell surface.

And secondly, mounting the shell on the direct current motor and the gearbox through 4 screws.

And thirdly, mounting the transition gear B on the output shaft of the direct current motor and the gearbox, wherein the end face of the transition gear is higher than the end face of the output shaft by about 1mm and is fixed by using a set screw.

Fourthly, the shifting fork and the shifting fork limiting device are assembled together through the cylindrical pins, then the electromagnet seat and the shifting fork are assembled together through the cylindrical pins, and the two cylindrical pins are in interference fit.

And fifthly, assembling the electromagnet device, namely assembling the electromagnet and the magnetism isolating copper sleeve, wherein the matching relation is micro interference or transition fit, and the magnetism isolating copper sleeve cannot be higher than the surface of the electromagnet after being installed in place.

Sixthly, the electromagnet device and the upper cover body are assembled through one screw, the screw only needs to be pre-tightened, and then the electromagnet device needs to be adjusted.

And seventhly, mounting the main shaft on the upper cover body, mounting the return spring on the main shaft, and mounting the clutch gear on the main shaft.

Eighthly, assembling the fourth step assembly with six and seven assemblies, installing a shifting fork limiting device at the designated position of the upper cover body, screwing down by using screws, detecting the stroke of the electromagnet seat by using a feeler gauge, and controlling the stroke of the electromagnet seat to be 1.2mm by adjusting the screws for connecting the electromagnet device and the upper cover body in six steps.

The ninth step: and fixing the first transition gear and the second transition gear shaft through a set screw.

And installing a component consisting of the first transition gear and the second transition gear shaft into the shell, and paying attention to the fact that the relative positions of two set screws of the second transition gear and the first transition gear are 0 degree, so that interference generated during meshing is avoided.

And eleventh, assembling the upper cover body and the shell (namely the lower cover body), rotating the main shaft (namely the output main shaft) in the assembling process, ensuring that the gear is installed in place after being meshed, and fixing the upper cover body and the shell by using screws. And (3) rotating the main shaft to test whether the main shaft rotates normally, if the main shaft rotates smoothly, the assembly is qualified, and if the main shaft does not rotate or the main shaft rotates smoothly, the electromagnet device (namely the electromagnet part) is not adjusted in place and needs to be adjusted again until the main shaft rotates smoothly.

The utility model discloses make a feasible assembly process, ensure in the transmission who comprises a plurality of spare parts for transmission can be reliable realize multistage speed reduction, realize just reversing, realize the meshing and the separation of gear.

The utility model discloses make a feasible assembly process, ensure in the transmission who comprises a plurality of spare parts for transmission can be reliable realize multistage speed reduction, realize just reversing, realize the meshing and the separation of gear. Therefore, the direct current motor can output different rotating speeds of positive and negative rotation according to the control instruction, the rotating speed output by the motor is reduced by the gearbox, the torque is increased, and the power of the gearbox can be output to the main shaft or cut off by the electromagnetic clutch device according to the control instruction.

Further, still include: the first transition gear 15 is in transmission connection with the second transition gear 6, the gear shaft 7 is rotatably arranged on the upper cover body 1, the second transition gear 6 is sleeved on the gear shaft 7, and the second transition gear 6 is connected with the gear shaft 7 through a first screw 18;

Further, the output main shaft 4 is a polygonal mechanism, a polygonal hole matched with the output main shaft 4 is formed in the middle of the clutch gear 2, and the clutch gear 2 is sleeved on the output main shaft 4 through the polygonal hole in a vertically movable mode.

Further, the power mechanism 14 includes: the motor is in transmission connection with the first transition gear 15 through the gearbox, and the gearbox is connected with the lower cover body 13 through the second screw 19; the output shaft of the gearbox is the output end of the power mechanism 14, the first transition gear 15 is sleeved on the output shaft of the gearbox, a sleeve 21 is arranged at the top end of the first transition gear 15, the sleeve 21 is connected with the first transition gear 15, the sleeve 21 is fixed on the output shaft of the gearbox through the third screw 20, and the end surface of the top end of the sleeve 21 is higher than the end surface of the top end of the output shaft 26 of the gearbox.

Further, the transmission case includes: the motor is in transmission connection with the worm gear through the multi-stage gear, the worm is an output shaft of the gearbox, and the top end face of the sleeve 21 is 0.5-1.5 mm higher than the top end face of the worm.

Further, the electromagnetic control mechanism 5 includes: the electromagnetic control device comprises a shifting fork 8, an electromagnet seat 9 and an electromagnet part 10 which is electrified to generate a magnetic field, wherein the shifting fork 8 is the output end of the electromagnetic control mechanism 5, the middle part of the shifting fork 8 is hinged with the top of the electromagnet seat 9, one end of the shifting fork 8 is abutted against the top end of the clutch gear 2, and the other end of the shifting fork 8 is hinged with the upper cover body 1;

the electromagnet component 10 is arranged on the upper cover body 1, and the electromagnet seat 9 is arranged at the top end of the electromagnet component 10;

Further, still include: the magnetic isolation copper sleeve 22 is inserted in the middle of the electromagnet part 10 in an interference fit or transition fit mode, a guide shaft 23 is arranged at the bottom of the electromagnet seat 9, and the guide shaft 23 is inserted in the magnetic isolation copper sleeve 22; the top end face of the electromagnet part 10 is higher than the top end face of the magnetism isolating copper sleeve 22, the electromagnet seat 9 is made of metal, and the electromagnet part 10 is mounted on the upper cover body 1 through a fourth screw 24.

Further, a coil for generating a magnetic field is provided in the electromagnet member 10, and the coil is connected to a power supply.

Furthermore, a shifting fork limiting mechanism 12 is arranged on the upper cover body 1, one end of the shifting fork limiting mechanism 12 is connected with the upper cover body 1, and the other end of the shifting fork limiting mechanism 12 is arranged above the electromagnet seat 9;

the shifting fork limiting mechanism 12 is in an L shape, and the shifting fork 8 is a rod-shaped mechanism;

the other end of the shifting fork 8 is hinged with the shifting fork limiting mechanism 12 through a cylindrical pin 25, and the middle part of the shifting fork 8 is hinged with the top of the electromagnet seat 9 through the cylindrical pin 25;

the stroke of the electromagnet seat 9 is 1.2 mm.

Further, the first side surface 17 of the lower cover 13 is a surface facing the mounting position of the power mechanism 14, and the upper cover 1 and the lower cover 13 are made of aluminum alloy.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An automatic window power device, comprising: a power mechanism, a first transition gear, an upper cover body, a lower cover body, a clutch gear, a return spring, an output main shaft and an electromagnetic control mechanism for controlling the clutch gear to move up and down,

the power mechanism is arranged on the lower cover body, the lower cover body is matched with the upper cover body, and the lower cover body is buckled on the upper cover body;

the first transition gear is sleeved at the output end of the power mechanism and is in transmission connection with the clutch gear, the output main shaft is rotatably arranged on the upper cover body, the clutch gear is sleeved on the output main shaft in a vertically movable manner, the reset spring is sleeved on the output main shaft and is arranged between the upper cover body and the clutch gear, and the output end of the electromagnetic control mechanism is in transmission connection with the top end of the clutch gear;

the output end of the power mechanism is a D-shaped shaft, and the plane of the D-shaped shaft is parallel to the first side face of the lower cover body.

2. An automotive window power plant according to claim 1, further comprising: the first transition gear is in transmission connection with the second transition gear, the gear shaft is rotatably arranged on the upper cover body, the second transition gear is sleeved on the gear shaft, and the second transition gear is connected with the gear shaft through a first screw;

3. The power unit of claim 1, wherein the output shaft is a polygonal mechanism, a polygonal hole adapted to the output shaft is formed in a middle portion of the clutch gear, and the clutch gear is sleeved on the output shaft through the polygonal hole in a vertically movable manner.

4. The power unit of claim 2, wherein the power mechanism comprises: the motor is in transmission connection with the first transition gear through the gearbox, and the gearbox is connected with the lower cover body through the second screw;

the output shaft of the gearbox is the output end of the power mechanism, the first transition gear is sleeved on the output shaft of the gearbox, a sleeve is arranged at the top end of the first transition gear, the sleeve is connected with the first transition gear, the sleeve is fixed on the output shaft of the gearbox through the third screw, and the end face of the top end of the sleeve is higher than the end face of the top end of the output shaft of the gearbox.

5. The power unit of claim 4, wherein the gear box comprises: the motor is in transmission connection with the worm gear through the multi-stage gear, the worm is an output shaft of the gearbox, and the top end face of the sleeve is 0.5-1.5 mm higher than that of the worm.

6. The automated window power unit of claim 1, wherein the electromagnetic control mechanism comprises: the electromagnetic control mechanism comprises a shifting fork, an electromagnet seat and an electromagnet part which is electrified to generate a magnetic field, wherein the shifting fork is the output end of the electromagnetic control mechanism, the middle part of the shifting fork is hinged with the top of the electromagnet seat, one end of the shifting fork is abutted against the top end of the clutch gear, and the other end of the shifting fork is hinged with the upper cover body;

7. An automotive window power plant according to claim 6, further comprising: the magnetic isolation copper sleeve is inserted in the middle of the electromagnet component in an interference fit or transition fit mode, a guide shaft is arranged at the bottom of the electromagnet seat, and the guide shaft is inserted in the magnetic isolation copper sleeve; the top end face of the electromagnet part is higher than that of the magnetism isolating copper sleeve, the electromagnet seat is made of metal, and the electromagnet part is installed on the upper cover body through a fourth screw.

8. An automotive window power unit according to claim 6, characterized in that a coil for generating a magnetic field is provided in the electromagnet member, and the coil is connected to a power source.

9. The power device for the automatic window according to claim 6, wherein a shifting fork limiting mechanism is arranged on the upper cover body, one end of the shifting fork limiting mechanism is connected with the upper cover body, and the other end of the shifting fork limiting mechanism is arranged above the electromagnet seat;

the stroke of electromagnet seat is 1.2 millimeters.

10. The power unit for a power window of claim 1, wherein the first side of the lower cover is a surface opposite to a position where the power unit is mounted, and the upper cover and the lower cover are made of aluminum alloy.