CN211046677U - Lightweight window lift motor - Google Patents

Abstract

The utility model provides a lightweight door window elevator motor, include: the motor body is fixedly arranged on the reduction gearbox; the motor body comprises a motor shell, a rotor assembly, an EMC device assembly, a carbon brush assembly and a motor end cover, wherein the rotor assembly, the EMC device assembly, the carbon brush assembly and the motor end cover are arranged in the motor shell; an inner cavity is formed in the end cover, and a plurality of mounting grooves for mounting the EMC component are formed in the inner cavity in a dividing mode; the carbon brush assembly is installed in the inner cavity and connected with the EMC device assembly, and the carbon brush assembly comprises a carbon brush frame with elasticity and a carbon brush installed on the carbon brush frame, so that the carbon brush is always in contact with a commutator of the rotor assembly. The utility model provides a lightweight door window elevator motor, compact structure, small, light in weight.

Description

Lightweight window lift motor

Technical Field

The utility model relates to a motor field, in particular to lightweight door window elevator motor.

Background

The window lifting motor is a motor installed on an automobile and used for controlling the lifting of an automobile window, generally comprises a motor and a reduction gearbox, the reduction gearbox is driven to rotate by controlling the forward and reverse rotation of the motor, a rope is driven to drive a sliding block which fixes glass to slide up and down, and the purpose of lifting the window is achieved.

With the development of automobiles, the size of a window lift motor is required to be as small as possible, the weight of the window lift motor is as light as possible, the installation space inside a window is limited, and especially, the distance between two side walls inside the window is limited, which limits the size of the window lift motor. In the design of the existing car window lifting motor, in order to avoid interference to influence the stability of the motor, an EMC (Electro Magnetic Compatibility) circuit is generally added into the motor, and a capacitor, an inductor and other filter devices are welded on a circuit board and are installed on the motor.

Disclosure of Invention

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a lightweight door window elevator motor small, light in weight, have higher electromagnetic compatibility ability.

(II) technical scheme

In order to solve the technical problem, the utility model provides a lightweight door window elevator motor, include: the motor body is fixedly arranged on the reduction gearbox; the motor body comprises a motor shell, a rotor assembly, an EMC device assembly, a carbon brush assembly and a motor end cover, wherein the rotor assembly is arranged in the motor shell and comprises a rotor and a rotating shaft, the rotating shaft is positioned in an inner hole at one side of the reduction box, and a bearing assembly is arranged between the rotating shaft and the inner hole; the worm is mounted on the rotating shaft and meshed with a worm wheel in the reduction gearbox, the motor body rotates, the worm wheel rotates through the worm, and the reduction gearbox drives the car window to ascend or descend through the transmission assembly. The motor end cover is arranged at the end part of the motor shell and comprises an end cover and a plug connecting seat integrally formed with the end cover; an inner cavity is formed in the end cover, and a plurality of mounting grooves are formed in the inner cavity in a dividing mode and used for mounting the EMC component assembly; adopt this design, will EMC device unit mount is in the mounting groove to adopt the butt-joint mode to weld each electronic device, and need not use the circuit board, also remove the loaded down with trivial details operation of many places welding point on the traditional circuit board simultaneously from, saved the space greatly, make motor structure compacter, alleviateed weight, can guarantee the quality of product, improve space utilization, reduce cost. The carbon brush subassembly is installed in the inner chamber and with EMC device subassembly is connected, the carbon brush subassembly includes carbon brush frame and installs carbon brush on the carbon brush frame, the carbon brush frame has elastic capacity, makes the carbon brush contact with the commutator of rotor subassembly all the time.

Further, install the sheetmetal on the motor end cover, the one end of sheetmetal is located in the connector assembly seat, the other end is located the inner chamber and with EMC device subassembly is connected, adopts this design for the motor is very convenient when the assembly, only needs during the assembly to insert the plug that corresponds in the connector assembly seat, just can realize the circular telegram.

Further, the EMC device assembly comprises an inductance device, a capacitance device, a protector and a piezoresistor device which are connected with each other through a lead, and the mounting grooves comprise an inductance device mounting groove, a capacitance device mounting groove, a protector mounting groove and a piezoresistor device mounting groove; the inductor device is correspondingly installed in the inductor device installation groove, the capacitor device is correspondingly installed in the capacitor device installation groove, the protector is correspondingly installed in the protector installation groove, the piezoresistor device is correspondingly installed in the piezoresistor device installation groove, the space utilization rate of the end cover is improved, a circuit board is not needed, the size of the motor is reduced, and the cost is reduced.

Furthermore, the damping sheet is adhered to the carbon brush holder, the carbon brush holder can vibrate to a certain extent when the motor rotates, and the vibration of the carbon brush holder can be reduced or eliminated under the action of the damping sheet, so that the carbon brush can be always in contact with the commutator, and the running stability of the motor is improved.

(III) advantageous effects

The utility model relates to a lightweight door window elevator motor, through be provided with a plurality of mounting grooves in the motor end cover, and with EMC device unit mount in the mounting groove, and adopt the butt-joint mode to weld each electronic device, and need not use the circuit board, also remove the loaded down with trivial details operation of many places welding point on the traditional circuit board from simultaneously, saved the space greatly, make motor structure compacter, alleviateed weight, can guarantee the quality of product, improve space utilization, reduce cost.

Drawings

Fig. 1 is a perspective view of a lightweight window lift motor of the present invention;

fig. 2 is an exploded view of a lightweight window lift motor according to the present invention;

fig. 3 is a cross-sectional view of a lightweight window lift motor of the present invention;

fig. 4 is a perspective view of a motor end cover and an EMC device assembly of a lightweight car window lifting motor of the present invention;

fig. 5 is an exploded view of the motor end cover and EMC device assembly of a lightweight car window lift motor of the present invention;

fig. 6 is a perspective view of a motor end cover of a lightweight window lift motor of the present invention;

fig. 7 is a perspective view of a lightweight window lift motor carbon brush assembly of the present invention;

wherein: 1 is the motor body, 2 is the reducing gear box, 3 is motor casing, 4 is the motor end cover, 5 is the carbon brush frame, 6 is the carbon brush, 7 is the commutator, 8 is the sheetmetal, 9 is the inductance device, 10 is the shock attenuation piece, 11 is the rotor, 12 is the pivot, 13 is the bearing assembly, 14 is the worm, 15 is the worm wheel, 201 is the turbine, 401 is the end cover, 402 is the connector assembly seat, 4011 is the inner chamber, 4012 is the inductance device mounting groove, 4013 is the capacitance device mounting groove, 4014 is the protector mounting groove, 4015 is the piezo-resistor device mounting groove.

Detailed Description

Referring to fig. 1 to 7, the utility model provides a lightweight window lift motor, include: the motor comprises a motor body 1 and a reduction gearbox 2, wherein the motor body 1 is fixedly arranged on the reduction gearbox 2; the motor body 1 comprises a motor shell 3, a rotor assembly arranged in the motor shell 3, an EMC device assembly, a carbon brush assembly and a motor end cover 4, wherein the motor end cover 4 is arranged at the end part of the motor shell 3, the rotor assembly comprises a rotor 11 and a rotating shaft 12, an inner hole is formed in one side of the reduction gearbox 2, the rotating shaft 12 penetrates through the motor end cover 4 and is positioned in the inner hole, and a bearing assembly 13 is arranged between the rotating shaft 12 and the inner hole; the worm 14 is further mounted on the rotating shaft 12, the worm wheel 201 is arranged in the reduction gearbox 2, the worm 14 is meshed with the worm wheel 201, when the motor body 1 rotates, the worm 14 can be driven to synchronously rotate, the worm wheel 201 is driven to rotate, and then the reduction gearbox 2 drives a vehicle window to ascend or descend through the transmission assembly.

Referring to fig. 3 to 6, motor end cover 4 includes end cover 401 and plug connector holder 402, and motor end cover 4 is installed with metal sheet 8, and end cover 401 and plug connector holder 402 are the integral structure and are injection-molded on the structure of metal sheet 8, and one end of metal sheet 8 is located in plug connector holder 402, and the other end is located in inner cavity 4011. By adopting the design, the motor is very convenient to assemble, and the corresponding plug is inserted into the plug connecting seat 402 during assembly, so that the power-on can be realized. An inner cavity 4011 is formed in the end cover 401, a plurality of mounting grooves are formed in the inner cavity 4011 in a dividing mode, and the mounting grooves are used for mounting an EMC component which is connected with one end of a metal sheet 8 located in the inner cavity 4011.

Referring to fig. 4, 5 and 7, the carbon brush assemblies are provided in two sets, and are all installed in the inner cavity 4011 and connected to the EMC device assembly, each carbon brush assembly includes a carbon brush holder 5 and a carbon brush 6 installed on the carbon brush holder 5, the rotor assembly further includes a commutator 7 installed on the rotating shaft 12, the two carbon brushes 6 are symmetrically located on two sides of the commutator 7, and the carbon brush holder 5 has elastic capability, so that the carbon brushes 6 are always in contact with the commutator 7.

Referring to fig. 4 and 7, the damping sheet 10 is glued on the carbon brush holder 5, the carbon brush holder 5 can generate certain vibration when the motor rotates, and the vibration of the carbon brush holder 5 can be reduced or eliminated by the damping sheet 10, so that the carbon brush 6 can be always in contact with the commutator 7, and the running stability of the motor is improved.

Referring to fig. 4 to 6, the EMC device assembly includes an inductance device 9, a capacitance device, a protector 15, and a varistor device, which are connected to each other by a wire, and the mounting grooves include an inductance device mounting groove 4012, a capacitance device mounting groove 4013, a protector mounting groove 4014, and a varistor device mounting groove 4015; inductance device 9 corresponds to be installed in inductance device mounting groove 4012, and the capacitance device correspondence is installed in capacitance device mounting groove 4013, and 15 correspondences of protector are installed in protector mounting groove 4014, and the piezo-resistor device correspondence is installed in piezo-resistor device mounting groove 4015, has improved end cover 401's space utilization, need not to adopt the circuit board, reduces the volume of motor, reduce cost.

The utility model relates to a lightweight door window lifting motor, install EMC device subassembly in the motor, can reduce the electromagnetic noise that the motor produced is unfavorable for other systems in the operation process, guaranteed the motor not influenced by the electromagnetic environment around in the operation process, can guarantee the quality of product; simultaneously, with the EMC device subassembly install on the mounting groove in the motor end cover, improved the space utilization of motor, need not to adopt the circuit board, reduce the volume of motor, reduce cost can reach the lightweight of motor.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A lightweight window lift motor, comprising: the motor comprises a motor body (1) and a reduction gearbox (2), wherein the motor body (1) is fixedly arranged on the reduction gearbox (2); the motor body (1) comprises a motor shell (3), a rotor assembly installed in the motor shell (3), an EMC device assembly, a carbon brush assembly and a motor end cover (4), the motor end cover (4) is installed at the end part of the motor shell (3), and the motor end cover (4) comprises an end cover (401) and a plug connecting seat (402) integrally formed with the end cover (401); an inner cavity (4011) is formed in the end cover (401), and a plurality of mounting grooves for mounting the EMC component are formed in the inner cavity (4011) in a dividing mode; the carbon brush subassembly is installed in inner chamber (4011) and with EMC device subassembly is connected, the carbon brush subassembly is including taking elastic carbon brush frame (5) and installing carbon brush (6) on carbon brush frame (5), makes carbon brush (6) all the time with commutator (7) contact of rotor subassembly.

2. The light-weight window regulator motor of claim 1, wherein: install sheetmetal (8) on motor end cover (4), the one end of sheetmetal (8) is located in plug connector seat (402), the other end is located in inner chamber (4011) and with EMC device subassembly is connected.

3. The light-weight window regulator motor of claim 1, wherein: EMC device subassembly includes inductance part (9), electric capacity part, protector (15) and the piezo-resistor device through wire interconnect, the mounting groove is including inductance part mounting groove (4012), electric capacity part mounting groove (4013), protector mounting groove (4014) and piezo-resistor device mounting groove (4015).

4. The light-weight window regulator motor of claim 1, wherein: the carbon brush frame (5) is glued with a damping sheet (10).

5. The light-weight window regulator motor of claim 1, wherein: the rotor assembly comprises a rotor (11) and a rotating shaft (12), the rotating shaft (12) is positioned in an inner hole at one side of the reduction gearbox (2), and a bearing assembly (13) is arranged between the rotating shaft (12) and the inner hole; the worm (14) is installed on the rotating shaft (12), and the worm (14) is meshed with a worm wheel (201) in the reduction gearbox (2).

Images