CN109921538A

CN109921538A - Angle adjustment motor for car seat

Info

Publication number: CN109921538A
Application number: CN201910115935.7A
Authority: CN
Inventors: 钟木生; 钟柳华; 傅强
Original assignee: Guangdong Weidou Oriental Technology Co ltd
Current assignee: Guangdong Weidou Oriental Technology Co ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2019-06-21

Abstract

A recliner motor for a seat of an automobile, comprising: shell, end cover and core, end cover seal shell's tip, the core includes: motor shaft, commutator, iron core, magnet group and brush mechanism, the motor shaft extends to the outside from the inside of shell, and the motor shaft forms to rotate with commutator and iron core in proper order and is connected, and magnet group is located the inside of shell, and magnet group includes two opposite and opposite polarity's magnet, and commutator and iron core all are located between two magnets of magnet group, and brush mechanism and commutator contact, magnet group are two sets of, and the magnet alternate arrangement of two sets of magnet groups, iron core are ten groove rotor core. The angle modulation motor not only can meet the requirement of miniaturization, but also can effectively avoid the shaking of parts and components, and further reduce the noise.

Description

The Angle Modulation Motor of automotive seat

Technical field

The present invention relates to motor fields, more particularly, to a kind of Angle Modulation Motor of automotive seat.

Background technique

Automatic seat is more and more intelligent and humanized, there is a metallic framework inside the trim cover of automatic seat, It is formed by high-strength steel sheet by laser welding.It is welded with several guide rails on skeleton, there is gear on guide rail, then is equipped with miniature The components such as Double-directional rotary motor, stepless regulator, various switches and electronic control unit.Wherein motor is that a kind of magneto is electronic Machine, the current direction for flowing through motor is by adjustment switch control.

In order to realize the lightweight of motor and reduce noise, Chinese patent CN203206026U discloses a kind of novel steam Vehicle seats motor, the motor include motor housing, and interior of shell installation space and structure are constant, and the radial section of shell is in circle One opposite side of shape or two opposite sides carry out trimming and are formed by shape.The motor is compared with conventional motors, and in inside, installation is empty Between and in the case that structure is constant, effective diminution outer dimension saves material and cost, realizes motor lightweight, avoid The waste of assembly space.

Other than the shape of motor housing can have an impact weight and noise, the machine core of motor to weight and can also make an uproar Sound has an impact.However, quality, which kicks the beam, can will lead to the increase of machine core jitter amplitude, to increase noise.In order to meet market pair The demand of motor lightweight and low noise, it is necessory to further decrease noise under the premise of guaranteeing light-weighted.

Summary of the invention

The technical scheme is that for above situation, a kind of automotive seat is provided to solve the above-mentioned problems Angle Modulation Motor, the Angle Modulation Motor include: shell, end cap and machine core, the end of shell described in the end cap seal, the machine core It include: motor shaft, commutator, iron core, group of magnets and wiper mechanism, the motor shaft is from the internal stretch of the shell to outer Portion, the motor shaft are successively formed with the commutator and the iron core and are rotatablely connected, and the group of magnets is located at the shell Inside, the group of magnets include two opposed and opposite polarity magnet, and the commutator and the iron core are all located at described Between two magnet of group of magnets, the wiper mechanism is contacted with the commutator, and the group of magnets is two groups, two groups of group of magnets Magnet it is spaced, the iron core be ten slot rotor cores.

Further, the rear and front end of the iron core is both provided with glue-line.

Further, the machine core further include: fore bearing, oil strain piece, locating ring and rear bearing, the motor shaft sequentially pass through The fore bearing, the oil strain piece, the locating ring and the rear bearing.

Further, the end cap has bearing groove, axis hole and screw hole, and the bearing groove is connected to the axis hole, described Screw hole is located at the position at the end cap edge, and the motor shaft passes through the axis hole, and the fore bearing is located at the bearing groove In.

Further, the wiper mechanism includes: capacitor, inductance, carbon brush and spring, the capacitor, the inductance with it is described Carbon brush sequentially forms electrical connection, and the carbon brush is contacted with the commutator, and one end of the spring is abutted with the carbon brush, another End is fixed in the housing.

Further, the Angle Modulation Motor further include: brushgear housing, the brushgear housing are located at the inside of the shell, the electricity Brush holder includes capacitor slot, inductance slot, carbon brush sleeve, spring stack and commutation hole, the capacitor slot, the inductance slot, the carbon brush sleeve It is set gradually with the spring stack around the commutation hole, the capacitor is in the capacitor slot, and the inductance is embedded in described In inductance slot, the carbon brush sleeve surrounds the carbon brush, and the other end of the spring is fixed on the spring stack, the commutator In the commutation hole.

Further, the Angle Modulation Motor further include: plug, the plug include: pedestal, attachment base and electrode slice, described One end of attachment base is fixed on the pedestal, and the other end is inserted into the shell, and the electrode slice extends from the pedestal Extremely in the shell, and it is electrically connected with capacitor formation.

Further, the capacitor, inductance, the carbon brush, the spring, the capacitor slot, the inductance slot, described Carbon brush sleeve, the spring stack and the electrode slice are all two.

After adopting the above technical scheme, effect of the invention is: the Angle Modulation Motor with above structure not only can satisfy The requirement of miniaturization, and components shake can be effectively avoided, further decrease noise.

Detailed description of the invention

Fig. 1 is the schematic diagram of Angle Modulation Motor of the present invention；

Fig. 2 is the schematic diagram of end cap of the present invention；

Fig. 3 is the explosive view of machine core of the present invention；

Fig. 4 is the schematic diagram of brush of the present invention；

Fig. 5 is the schematic diagram of brushgear housing of the present invention；

Fig. 6 is the schematic diagram of plug of the present invention.

Specific embodiment

Below by embodiment, technical solution of the present invention will be further described:

The present invention provides a kind of Angle Modulation Motor of automotive seat, as shown in Figure 1, Angle Modulation Motor includes: shell 1, end cap 2, machine Core 3 and plug 4, the end of 2 sealing shell 1 of end cap, machine core 3 is from the internal stretch of shell 1 to the inside of cabinet 3, machine core 3 and seat Chair forms rotation connection, and plug 4 extends to inside from the outside of shell 1, and plug 4 is electrically connected with the formation of machine core 3.Machine core 3 is used for It realizes driving function, retarder 2 is driven to rotate, plug 4 is used to power to machine core 3.

As shown in Fig. 2, end cap 2 has bearing groove 21, axis hole 22 and screw hole 23, bearing groove 21 is connected to axis hole 22, spiral shell Wire hole 23 is located at the position at 2 edge of end cap.

As shown in figure 3, machine core 3 includes: motor shaft 31, fore bearing 32, oil strain piece 33, locating ring 34, commutator 35, iron core 36, group of magnets 37 and rear bearing 38, for motor shaft 31 from the internal stretch of shell 1 to outside, motor shaft 31 sequentially passes through fore bearing 32, oil strain piece 33, locating ring 34 and rear bearing 38, motor shaft 31 are successively formed with commutator 35 and iron core 36 and are rotatablely connected, magnetic Iron group 37 is located at the inside of shell 1, and group of magnets 37 includes two opposed and opposite polarity magnet, commutator 35 and iron core 36 It is all located between two magnet of group of magnets 37.

In the present invention, group of magnets 37 is two groups, and the magnet of two groups of group of magnets 37 is spaced, and iron core 36 is ten slot rotors Iron core, the matching of ten slot rotor cores and two groups of group of magnets 37, can not only increasing the starting torque of Angle Modulation Motor, (starting torque is 310N.m), the efficiency (peak efficiency 63%) of Angle Modulation Motor is improved, moreover it is possible to which the torque pulsation for reducing Angle Modulation Motor reaches reduction The effect of noise.In addition, can reduce the volume of magnet by two groups of group of magnets 37 of setting, thus reduce the volume of shell 1, Meet the requirement of miniaturization.Wherein, 1 length of shell is 67mm, and width and height are all 30mm.

Wherein, motor shaft 31 passes through axis hole 22, and fore bearing 32 is located in bearing groove 21.In addition, in the positioning of locating ring 34 Under effect, it can prevent motor shaft 31 from shaking, further decrease noise.

As a preferred solution, the rear and front end of iron core 36 is both provided with glue-line, and glue-line can play buffering and suction Sound effect, even if iron core 36 is shaken, can also reduce noise.

As shown in figure 4, machine core 3 further include: wiper mechanism 39, wiper mechanism 39 are contacted with commutator 35.Specifically, brush Mechanism 39 includes: capacitor 391, inductance 392, carbon brush 393 and spring 394, and capacitor 391, inductance 392 and carbon brush 393 sequentially form Electrical connection, carbon brush 393 are contacted with commutator 35, and one end of spring 394 is abutted with carbon brush 393, and the other end is fixed in shell 1, And towards 35 bias carbon brush 393 of commutator, it is steadily contacted so that commutator 35 and carbon brush 393 be made to be formed.

In conjunction with shown in Fig. 4 and Fig. 5, Angle Modulation Motor further include: brushgear housing 5, brushgear housing 5 are located at the inside of shell 1.Specifically Ground, brushgear housing 5 include capacitor slot 51, inductance slot 52, carbon brush sleeve 53, spring stack 54 and commutation hole 55, capacitor slot 51, inductance slot 52, carbon brush sleeve 53 and spring stack 54 are set gradually around commutation hole 55.Capacitor 391 is in capacitor slot 51, and inductance 392 is embedded in electricity Feel in slot 52, carbon brush sleeve 53 surrounds carbon brush 393, and the other end of spring 394 is fixed on spring stack 54, and commutator 35 is located at commutation In hole 55.Capacitor 391, inductance 392, carbon brush 393 and spring 394 can be stably fixed in shell 1 by setting brushgear housing 5, be prevented It only shakes, further decreases noise.In addition, capacitor slot 51, inductance slot 52, carbon brush sleeve 53 and spring stack 54 around commutation hole 55 according to Secondary setting can make brushgear housing 5 more compact, further achieve the effect that miniaturization.

As shown in fig. 6, plug 4 includes: pedestal 41, attachment base 42 and electrode slice 43, one end of attachment base 42 is fixed on base On seat 41, the other end is inserted into shell 1, and electrode slice 43 extends in shell 1 from pedestal 41, and the electricity with wiper mechanism 39 Hold 391 and forms electrical connection.

Specifically, in the present invention, capacitor 391, inductance 392, carbon brush 393, spring 394, capacitor slot 51, inductance slot 52, Carbon brush sleeve 53, spring stack 54 and electrode slice 43 are all two.

As it can be seen that the Angle Modulation Motor with above structure, not only can satisfy the requirement of miniaturization, but also can effectively keep away Exempt from components shake, further decreases noise.

It is emphasized that term " first ", " second ", " third " in the present invention are used for description purposes only, and cannot It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the One ", " second ", " third " feature can explicitly or implicitly include at least one of the features.In description of the invention, The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.In the embodiment of the present invention The directional instruction (such as up, down, left, right, before and after ...) of institute is only used for explaining between component each under a certain particular pose Relative positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly therewith Change.

Embodiment described above, only preferred embodiments of the invention, be not to limit practical range of the invention, therefore it is all according to The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done, should be included in the present invention In patent claim.

Claims

1. An angle-adjusting motor for a car seat, the angle-adjusting motor comprising: a casing, an end cover and a movement, the end cover sealing the end of the casing, the movement comprising: a motor shaft, a replacement A commutator, an iron core, a magnet group and a brush mechanism, the motor shaft extends from the inside of the casing to the outside, the motor shaft is in turn connected with the commutator and the iron core in rotation, the magnet A group is located inside the housing, the magnet group includes two opposite magnets with opposite polarities, the commutator and the iron core are located between the two magnets of the magnet group, the electric The brush mechanism is in contact with the commutator, and is characterized in that: the magnet groups are divided into two groups, the magnets of the two groups of magnet groups are arranged alternately, and the iron core is a ten-slot rotor iron core.

2 . The angle-adjusting motor for an automobile seat according to claim 1 , wherein the front and rear ends of the iron core are provided with adhesive layers. 3 .

3. The angle-adjusting motor for an automobile seat according to claim 1, wherein the movement further comprises: a front bearing, an oil filter, a positioning ring and a rear bearing, and the motor shaft passes through all the The front bearing, the oil filter, the positioning ring and the rear bearing.

4. The angle-adjusting motor for an automobile seat according to claim 3, wherein the end cover has a bearing slot, a shaft hole and a screw hole, the bearing slot is communicated with the shaft hole, and the screw A hole is located at the edge of the end cover, the motor shaft passes through the shaft hole, and the front bearing is located in the bearing groove.

5. The angle-adjusting motor for a car seat according to claim 1, wherein the brush mechanism comprises: a capacitor, an inductor, a carbon brush and a spring, the capacitor, the inductor and the carbon brush The electrical connection is formed in sequence, the carbon brush is in contact with the commutator, one end of the spring is in contact with the carbon brush, and the other end is fixed in the housing.

6 . The angle adjustment motor for an automobile seat according to claim 5 , wherein the angle adjustment motor further comprises: a brush holder, the brush holder is located inside the housing, and the brush holder is located inside the housing. 7 . The seat has: a capacitor slot, an inductor slot, a carbon brush sleeve, a spring column and a reversing hole. The capacitor slot, the inductance slot, the carbon brush sleeve and the spring column are arranged in sequence around the reversing hole. The capacitor is embedded in the capacitor slot, the inductor is embedded in the inductor slot, the carbon brush sleeve surrounds the carbon brush, the other end of the spring is fixed on the spring column, and the commutation is located in the reversing hole.

7 . The angle adjustment motor for an automobile seat according to claim 6 , wherein the angle adjustment motor further comprises: a plug, and the plug comprises: a base, a connecting seat and an electrode sheet, and the connecting seat One end of the electrode is fixed on the base, the other end is inserted into the casing, the electrode sheet extends from the base to the casing, and forms an electrical connection with the capacitor.

8 . The angle-adjusting motor for a car seat according to claim 7 , wherein the capacitor, the inductor, the carbon brush, the spring, the capacitor slot, the inductor slot, the There are two carbon brush sleeves, two spring posts and two electrode sheets.