CN213125776U

CN213125776U - Novel motor end cover assembly

Info

Publication number: CN213125776U
Application number: CN202021949407.6U
Authority: CN
Inventors: 张伟; 张玉海; 钱剑锋; 张昊
Original assignee: Changzhou Haosheng Electric Co ltd
Current assignee: Changzhou Haosheng Electric Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-04
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a novel motor end cover subassembly, be equipped with the body of centre bore including the centre and glue the lid to and two conducting strips, two carbon brushes, two inductances, two ground capacitance, two inserted sheets, a cross-over connection electric capacity and a piezo-resistor, the body is glued and is covered and be equipped with four through-holes all around that is located the centre bore, the inside that the body was glued the lid is located to the conducting strip and is located the both sides of centre bore to the both ends of two conducting strips are respectively the traversing through-hole, separate four through-holes for eight holes, are in simultaneously one of them of conducting strip serves the connection foot that stretches out the body and glue the lid, connect the foot and be used for welding carbon brush whip and one of them pin of. The utility model discloses a micro motor cross-over connection electronic components can be put inside the motor, has guaranteed the reliable connection between electric capacity, piezo-resistor and the brush subassembly, realizes the EMC grade requirement of automobile motor to the difference simultaneously.

Description

Novel motor end cover assembly

Technical Field

The utility model relates to a direct current has brush motor field, concretely relates to direct current has end cover subassembly that brush motor height EMC required for car.

Background

The existing miniature direct current motor generally has no electronic components or only a small number of electronic components, and has poor electromagnetic compatibility. With the rapid development of electronic technology and the popularization and application of various intelligent electrical appliances, the requirement on the electromagnetic compatibility of the motor is higher and higher, the design of the existing micro motor is difficult to meet the higher requirement on the electromagnetic compatibility, and the design of the end cover component can meet the requirement on the high EMC (electro magnetic compatibility) of the micro direct current brush motor, so that the micro direct current brush motor can be widely applied to various industries.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a motor end cover subassembly small, high EMC performance and adjustable, that mechanical strength is high.

The utility model adopts the technical proposal that: the utility model provides a novel motor end cover subassembly, is equipped with the body gum lid of centre bore including the centre, the subassembly still includes two conducting strips, two carbon brushes, two inductances, two grounded capacitance, two inserted sheets, a cross-over connection electric capacity and a piezo-resistor, the body gum is covered and is located the centre bore be equipped with four through-holes all around, the inside of body gum lid is located to the conducting strip and is located the both sides of centre bore to the both ends of two conducting strips are respectively the traversing through-hole, separate four through-holes for eight holes, are in simultaneously one of them of conducting strip serves the connection foot that stretches out body gum lid, connect the foot and be used for welding carbon brush whip and one of them pin of inductance.

Further, two carbon brush boxes are arranged on the body rubber cover, carbon brushes are arranged in the carbon brush boxes, and brush whips of the carbon brushes are welded on the connecting pins of the conducting strips.

Furthermore, the two inductors are respectively provided with two pins and are respectively connected in series between the carbon brush and the inserting piece; one pin of the inductor is welded on the connecting pin of the conducting strip, and the other pin is welded on the terminal.

Furthermore, one pin of the grounding capacitor is welded on the plug piece, and the other pin is grounded.

Furthermore, the two pins of the cross-over capacitor penetrate through the body rubber cover and then are welded on the conductive sheet in the two through holes in the back surface of the body rubber cover.

Furthermore, two pins of the piezoresistor penetrate through the body rubber cover and then are welded on the conductive sheet in the two through holes in the back surface of the body rubber cover.

The utility model has the advantages that: the utility model discloses a part settings such as conducting strip has realized that micro motor cross-over connection electronic components can put inside the motor, has guaranteed the reliable connection between electric capacity, piezo-resistor and the brush subassembly, realizes the EMC grade requirement of automobile motor to the difference simultaneously.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the layout of the conductive strips of the present invention;

FIG. 4 is a schematic structural diagram of a conductive sheet of the present invention;

labeled as: 1. the novel carbon brush comprises a conducting plate A, a conducting plate A connecting pin, a carbon brush A, a torsion spring A, a grounding capacitor 4, a piezoresistor 5, an inserting piece A, an inductor A, a carbon brush B8, a conducting plate B, a torsion spring B, a grounding capacitor B, a bridging capacitor 12, an inserting piece B, an inductor B, a rubber cover body 15, a through hole 16, a hole A16-1, a hole A16-2, a hole B16-3, a hole C16-4, a hole D16-5, a hole E16-6, a hole F16-7, a hole G16-8 and a hole H.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, a novel motor end cover assembly includes a body rubber cover 15 with a central hole in the middle and two conductive sheets embedded inside the rubber cover, wherein the body rubber cover 15 is provided with two carbon brushes, two torsion springs, two inductors, two ground capacitors, two insertion sheets, a cross-over capacitor and a piezoresistor. The two conducting strips are arranged inside the body rubber cover 15; the body rubber cover 15 is provided with two carbon brush boxes, carbon brushes are arranged in the carbon brush boxes, brush whips of the carbon brushes are welded on connecting pins of the conducting strips, and meanwhile, the two torsional springs respectively provide installation elastic pressure for the two carbon brushes. The two inductors are respectively provided with two pins which are respectively connected between the carbon brush and the insert terminal in series, one pin of the two grounding capacitors is respectively welded on the insert terminal, and the other pin is grounded; the two pins of the cross-over capacitor 12 and the piezoresistor 5 are respectively welded on the conductive sheet in the through hole.

In this embodiment, four through holes 16 are arranged around the center hole on the body rubber cover 15, and two ends of the two conductive sheets respectively transversely pass through the through holes 16, so as to separate the four through holes 16 into eight holes, which are respectively: well A16-1, well B16-2, well C16-3, well D16-4, well E16-5, well F16-6, well G16-7, and well H16-8. Hole A16-1, hole B16-2, hole C16-3, hole D16-4 are located on the front side of the rubber cover body 15, hole E16-5, hole F16-6, hole G16-7 and hole H16-8 are located on the back side of the rubber cover body 15; and the conducting strips leak from the holes A to the holes H.

In this embodiment, one end of the conductive strip is provided with a connection pin extending out of the body rubber cover 15, and the connection pin is used for welding one pin of the carbon brush whip and the inductor. The brush of the carbon brush A2 is welded on the connecting pin 1-1 of the conducting strip A1, and the brush of the carbon brush B8 is welded on the connecting pin 9-1 of the conducting strip B9; one end of a pin of the inductor A7 is welded on the connecting sheet 9-1, the other pin is welded on the inserting sheet A6, one end of a pin of the inductor B14 is welded on the connecting sheet 1-1, and the other pin is welded on the inserting sheet B13.

In this embodiment, two pins of the cross-over capacitor 12 are inserted from the small holes on the front surface to the back surface, and the two pins are respectively soldered on the conductive sheets in the holes E and F. Two pins of the ceramic piezoresistor 5 are inserted into the back surface from the small hole on the front surface, and the two pins are respectively welded on the conductive sheets in the hole G and the hole H;

to sum up, the utility model discloses a micro motor cross-over connection electronic components can be put inside the motor, has guaranteed the reliable connection between electric capacity, piezo-resistor and the brush subassembly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. The utility model provides a novel motor end cover subassembly, is equipped with the body gum lid of centre bore including the centre, a serial communication port, the subassembly still includes two conducting strips, two carbon brushes, two inductances, two ground capacitance, two inserted sheets, a cross-over connection electric capacity and a piezo-resistor, the body is glued and is covered and be equipped with four through-holes all around that is located the centre bore, the inside that the body gum lid was located to the conducting strip just is located the both sides of centre bore to the both ends of two conducting strips are the traversing through-hole respectively, separate four through-holes for eight holes, are in simultaneously one of them of conducting strip serves the connection foot that stretches out the body gum lid, it is used for welding carbon brush whip and one of them pin of inductance to connect.

2. The novel motor end cover assembly according to claim 1, comprising a body rubber cover with a through hole in the middle, wherein two carbon brush boxes are arranged on the body rubber cover, carbon brushes are arranged in the carbon brush boxes, and brush bars of the carbon brushes are welded on connecting pins of the conducting strips.

3. The novel motor end cover assembly according to claim 1, comprising a body rubber cover with a through hole in the middle, wherein each of the two inductors has two pins, and the two inductors are respectively connected in series between the carbon brush and the insert; one pin of the inductor is welded on the connecting pin of the conducting strip, and the other pin is welded on the terminal.

4. The novel motor end cover assembly of claim 1, comprising a body rubber cover with a through hole in the middle, wherein one pin of the grounding capacitor is welded on the plug piece, and the other pin is grounded.

5. The novel motor end cover assembly as claimed in claim 1, comprising a body rubber cover with a through hole in the middle, wherein the two pins of the cross-over capacitor are welded on the conductive sheets in the two through holes on the back surface of the body rubber cover after passing through the body rubber cover.

6. The novel motor end cover assembly as claimed in claim 1, comprising a body rubber cover with a through hole in the middle, wherein the two pins of the piezoresistor are welded on the conductive sheet in the two through holes on the back surface of the body rubber cover after passing through the body rubber cover.