CN210578082U

CN210578082U - Conductive connection structure of pin on motor rubber cover

Info

Publication number: CN210578082U
Application number: CN201921256428.7U
Authority: CN
Inventors: 陈校伟; 吴厦林
Original assignee: XIAMEN XINZHONGDA TECHNOLOGY CO LTD
Current assignee: XIAMEN XINZHONGDA TECHNOLOGY CO LTD
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-19
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a motor glues electrically conductive connection structure of covering pin, including gluing the lid main part, should glue and cover and be equipped with the connecting seat in the main part, be equipped with wire casing and draw-in groove on this connecting seat, wait to connect pin one and wait to connect pin two and place in this wire casing and paste and lean on together, still include the clamp plate, this clamp plate inserts in the middle of this draw-in groove and pushes down wait to connect pin one and wait to connect pin two. Two pins which need to be electrically connected together are placed in the wire groove of the connecting seat, the two pins are pressed together by the pressing plate, so that the two pins are kept stable and are electrically connected, the structure is simple, the production process is greatly simplified, the cost is reduced, and the operating efficiency of the product is improved. In addition, in the assembly process, the two pins are electrically connected in the wire grooves of the connecting seat, the assembly operation is carried out at normal temperature, other parts cannot be damaged, and the production safety is guaranteed.

Description

Conductive connection structure of pin on motor rubber cover

Technical Field

The utility model relates to a conductive connection structure of pin especially relates to the conductive connection structure of pin on the motor glue lid.

Background

In order to obtain safe and reliable operation characteristics of the high-voltage direct-current motor, a rectifier bridge and a PPTC protector are required to be arranged, the elements are respectively welded on a circuit board, the circuit board is arranged on a rubber cover, the rectifier bridge and the PPTC protector are connected with a carbon brush and a rotor by virtue of springs to form a closed loop in operation, and the springs are used for pressing the carbon brush to enable the carbon brush to be in close contact with the rotor.

At present, the connection between a pin of a rectifier bridge and a pin of a PPTC (Power Point Circuit) protector, the connection between the pin of the rectifier bridge and a pin of a spring, and the connection between the pin of the PPTC protector and the pin of the spring are realized by soldering tin, and the method has the following defects: 1. the requirements on personnel are strict, the process is complex, the operation is very inconvenient due to pure manual operation; 2. fatigue is easy to generate in manual operation, so that deviation of the process is caused, and the problem of product quality defect is caused; 3. the cost of tin materials is increasing day by day, and the manufacturing cost is increased; 4. soldering tin is carried out by using a soldering iron, the temperature of a soldering iron head is above 400-480 ℃, and workers have the hidden trouble of causing industrial injury (scalding hands) after long-term operation; 5. the excessive temperature of the soldering bit can cause an annealing effect on the spring, so that the elastic force of the spring is reduced, the carbon brush is not tightly contacted with the rotor, and larger sparks are generated during rotating operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor is glued and is covered, motor glue and cover electrically conductive connection structure of pin, it has overcome the not enough that the background art exists. The utility model provides a technical scheme that its technical problem adopted is:

the conductive connection structure of the motor rubber cover pin comprises a rubber cover main body, wherein a connecting seat is arranged on the rubber cover main body, a wire groove and a clamping groove are formed in the connecting seat, a first pin to be connected and a second pin to be connected are placed in the wire groove and attached together, and the conductive connection structure further comprises a pressing plate, wherein the pressing plate is inserted into the clamping groove and presses the first pin to be connected and the second pin to be connected.

In a preferred embodiment: the wire casing is vertically intersected with the clamping groove, and the pressing plate is in interference fit with the clamping groove.

In a preferred embodiment: the lower parts of the two side surfaces of the pressure plate are inclined surfaces, and the distance between the inclined surfaces at the two sides is gradually reduced from top to bottom.

In a preferred embodiment: and the first pin to be connected and the second pin to be connected are stacked together up and down.

In a preferred embodiment: the bottom of the pressing plate is provided with a clamping hole, the clamping hole is in a trapezoid shape with a wide lower part and a narrow upper part, an opening is formed in the lower part of the clamping hole, and the clamping hole clamps the first pin to be connected and the second pin to be connected.

In a preferred embodiment: the pressure plate is a conductive element.

In a preferred embodiment: the pin to be connected is a pin of the torsion spring, and the pin to be connected is a pin of the rectifier bridge.

In a preferred embodiment: the pin to be connected is a pin of the torsion spring, and the pin to be connected is a pin of the PPTC protector.

In a preferred embodiment: the pin to be connected is a pin of the rectifier bridge, and the pin to be connected is a pin of the PPTC protector.

The motor rubber cover comprises a rubber cover main body and two torsion springs, wherein the torsion springs are arranged on the rubber cover main body, two carbon brush chambers for placing carbon brushes are symmetrically arranged on the rubber cover main body, the two torsion springs are arranged corresponding to the two carbon brush chambers, the motor rubber cover further comprises a PPTC protector and a rectifier bridge, the PPTC protector and the rectifier bridge are both arranged on the rubber cover main body, three connecting seats are arranged on the rubber cover main body, a wire groove and a clamping groove which are vertically crossed are arranged on the connecting seats, an output pin of the PPTC protector and one alternating current wiring pin of the rectifier bridge are arranged in the wire groove of a first connecting seat and are attached together, a positive electrode pin of the rectifier bridge and one pin of the torsion springs are arranged in the wire groove of a second connecting seat and are attached together, a negative electrode pin of the rectifier bridge and one pin of the other torsion spring are arranged in the wire groove of a third connecting seat and are attached together, and a pressing plate, the pressing plate presses two pins in the wire slot.

Compared with the background technology, the technical scheme has the following advantages:

1. two pins which need to be electrically connected together are placed in the wire groove of the connecting seat, the two pins are pressed together by the pressing plate, so that the two pins are kept stable and are electrically connected, the structure is simple, the production process is greatly simplified, the cost is reduced, and the operating efficiency of the product is improved. In addition, in the assembly process, the two pins are electrically connected in the wire grooves of the connecting seat, the assembly operation is carried out at normal temperature, other parts cannot be damaged, and the production safety is guaranteed.

2. The pressing plate is in interference fit with the clamping groove, so that the two pins can be pressed more tightly. Particularly, the lower parts of the two side surfaces of the pressing plate are inclined planes, so that the pressing plate can be inserted into the clamping groove conveniently.

3. The first pin to be connected and the second pin to be connected are stacked up and down, so that the two pins can be connected more tightly in the pressing process of the pressing plate. Particularly, the bottom of the pressing plate is provided with a clamping hole, so that two pins can be clamped, and the connection is more stable.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an exploded view of a motor using the motor cover of the present invention.

Fig. 2 is an exploded view of the motor cover of the present invention.

Fig. 3 is a schematic view of the rubber cover main body of the motor rubber cover of the present invention.

Fig. 4 shows an assembly schematic diagram of the motor rubber cover of the present invention.

Fig. 5 is a schematic top view of the motor cover of the present invention.

Detailed Description

Referring to fig. 1, the motor cover 10 of the present invention is used for assembling with a stator 20 and a rotor 30 to form a motor, an opening is formed on an end surface of a housing of the stator 20, the rotor 30 is installed in the stator 20 through the opening on the end surface of the stator 20, and the motor cover 10 covers the opening.

Referring to fig. 2 to 5, the motor rubber cover 10 includes a rubber cover main body 11, two torsion springs 12, a PPTC protector 13, and a rectifier bridge 14. The torsion spring 12 has two pins 121. The PPTC protector 13 has an input pin 131 and an output pin 132. The rectifier bridge 14 has a positive terminal 141, a negative terminal 142 and two ac connection terminals 143. The torsion spring 12 is disposed on the inner side end surface of the rubber cover main body 11, two carbon brush chambers 112 for placing carbon brushes are symmetrically disposed on the inner side end surface of the rubber cover main body 11, and the two torsion springs 12 are disposed corresponding to the two carbon brush chambers 112. The main body 11 of the plastic cover is provided with a positioning column, the torsion spring 12 is sleeved on the positioning column, and one pin 121 of the torsion spring 12 can extend into the carbon brush chamber 112 to push the carbon brush to move toward the center of the main body of the plastic cover. The PPTC protector 13 and the rectifier bridge 14 are both mounted on the rubber cap body 11 and outside the rubber cap body. The output pin 132 of the PPTC protector 13, the positive pin 141 and the negative pin 142 of the rectifier bridge 14, and one of the ac connection pins 143 pass through the rubber cap body 11 and extend to the inner end surface of the rubber cap body 11.

The rubber cover body 11 is provided with three connecting seats 114 on the inner end surface, and the connecting seats are provided with a wire groove 1141 and a clamping groove 1142 which are vertically intersected. An output pin 131 of the PPTC protector and an alternating current wiring pin 143 of the rectifier bridge extending to the inner side end face of the rubber cover main body are arranged in a wire groove 1141 of the first connecting seat 114 and are attached together; the positive pole pin 141 and the other torsion spring pin 121 of the rectifier bridge are arranged in the wire groove 1141 of the second connecting seat and are attached together; the negative pin 142 of the rectifier bridge and the other pin 121 of the other torsion spring are placed in the wire groove 1141 of the third connecting seat and are attached together. The pressing plate 15 is inserted into the slot 1142 of the connecting base 114, and the pressing plate 15 presses the two pins in the slot 1141, so that the two pins in the slot 1141 are stably pressed together and electrically connected.

In the wire slot 1141 of the first connecting seat 114, the output pin 131 and the ac wiring pin 143 to be connected are pressed by the pressing plate 15; in the wire slot 1141 of the second connecting seat, the positive pin 141 and the torsion spring pin 121 of the rectifier bridge to be connected are pressed by the pressing plate 15; in the wire slot 1141 of the third connecting seat, the negative pin 142 of the rectifier bridge and the other pin 121 of the torsion spring to be connected are pressed by the pressing plate 15. Through setting up the connecting seat to utilize clamp plate 15 to come two pins of treating the connection to compress tightly and realize the conductive connection in wire casing 1141, simple structure, assembly process is very simple and convenient, has greatly reduced the cost of production, and realizes automated production very easily.

Preferably, the pressing plate 15 is in interference fit with the slot 1142, and the pressing plate 15 may also be clamped in the slot.

Preferably, the lower portions of the two side surfaces of the pressing plate 15 are inclined surfaces, and the distance between the inclined surfaces is gradually reduced from top to bottom.

Preferably, two pins to be connected in each wire slot 1141 are stacked up and down, so that the pressing effect is better and the connection is firmer. Specifically, the bottom of the pressing plate 15 is provided with a holding hole 152 which is in a trapezoidal shape with a wide bottom and a narrow top, and the lower part of the holding hole is opened, and the holding hole 152 holds the first pin to be connected and the second pin to be connected. It will be appreciated that the platen 15 may be a conductive element.

In this embodiment, in the first connection seat 114 and the wire slot 1141, the pin to be connected is the ac connection pin 143 of the rectifier bridge, and the pin to be connected is the output pin 131 of the PPTC protector.

In the second connecting seat 114 and the wire slot 1141, the pin to be connected is the pin 121 of the torsion spring, and the pin to be connected is the positive pin 141 of the rectifier bridge.

In the third connecting seat 114 and the wire slot 1141, the pin to be connected is the pin 121 of the torsion spring, and the pin to be connected is the negative pin 141 of the PPTC protector.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. The motor is glued and is covered electrically conductive connection structure of pin, including gluing the lid main part, its characterized in that: the rubber cover main body is provided with a connecting seat, the connecting seat is provided with a wire groove and a clamping groove, a first pin to be connected and a second pin to be connected are placed in the wire groove and attached together, and the rubber cover further comprises a pressing plate, and the pressing plate is inserted into the clamping groove and presses the first pin to be connected and the second pin to be connected.

2. The structure of claim 1, wherein the conductive connection structure comprises: the wire groove is vertically intersected with the clamping groove; the pressing plate is in interference fit with the clamping groove.

3. The structure of claim 2, wherein the conductive connection structure comprises: the lower parts of the two side surfaces of the pressure plate are inclined surfaces, and the distance between the inclined surfaces at the two sides is gradually reduced from top to bottom.

4. The structure of claim 1, 2 or 3 for electrically connecting the pins of the motor cover, wherein: and the first pin to be connected and the second pin to be connected are stacked together up and down.

5. The structure of claim 4, wherein the conductive connection structure comprises: the bottom of the pressing plate is provided with a clamping hole, the clamping hole is in a trapezoid shape with a wide lower part and a narrow upper part, an opening is formed in the lower part of the clamping hole, and the clamping hole clamps the first pin to be connected and the second pin to be connected.

6. The structure of claim 1, wherein the conductive connection structure comprises: the pressure plate is a conductive element.

7. The structure of claim 1, wherein the conductive connection structure comprises: the pin to be connected is a pin of the torsion spring, and the pin to be connected is a pin of the rectifier bridge.

8. The structure of claim 1, wherein the conductive connection structure comprises: the pin to be connected is a pin of the torsion spring, and the pin to be connected is a pin of the PPTC protector.

9. The structure of claim 1, wherein the conductive connection structure comprises: the pin to be connected is a pin of the rectifier bridge, and the pin to be connected is a pin of the PPTC protector.