CN221041595U - Connector with a plurality of connectors - Google Patents

Abstract

The utility model relates to a connector which is arranged on a printed circuit board and is used for plugging a motor terminal. The connector comprises a shell, a first terminal, a second terminal and a plurality of fixing pieces. The shell comprises a body, a first opening end and a second opening end. The first terminal has a first bottom and a first extension connected to the first bottom. The second terminal is provided with a second bottom and a second extension part which are connected. The fixing piece is partially arranged in the shell. The first opening end and the second opening end define a first accommodating space and a second accommodating space in the body together, the first accommodating space is formed on the second accommodating space, the first accommodating space is used for the first terminal to be arranged locally, and the second accommodating space is used for the second terminal to be arranged locally. The utility model can increase the stability of terminal contact, is applicable to the condition of large current, and can ensure the stability of the connector on the printed circuit board when the connector is plugged in and plugged out.

Description

Connector with a plurality of connectors

Technical Field

The present utility model relates to a connector, and more particularly, to a connector having a multipoint contact terminal for connecting an electric window motor for a vehicle.

Background

The electric motor of the electric window for the vehicle is one of the common devices of modern automobiles, and provides a convenient window lifting function for drivers and passengers. Among other things, connectors play a key role in the art for connecting wires or cables to the electric window motor and to the electrical system of the vehicle. Because of its wide range of applications, connectors for automotive electric window motors have become a common technology in the field of automotive electronics.

However, in the application of the connector in the motor of the electric window for the vehicle, the blanking terminal is a common connecting structure, and although the connector is widely applied, some non-negligible disadvantages exist. First, the thickness of the conductive terminal plate is relatively large, a large insertion force may be required during the joining of the terminal connector and the electric window motor, and the contact points between the terminals are relatively small, and these factors in combination may result in a large resistance and a small current passing therethrough, while also being prone to heat generation, and present challenges in terms of heat dissipation. In addition, due to the inherent structural characteristics of the blanking terminal in the manufacturing process, the terminals are easy to wear, so that the problem of electrical connection is caused, and even copper scraps can be released in the inserting and extracting process, so that the problems of dent, poor contact performance and the like of the terminals are caused.

In view of the above, the present utility model provides a connector to solve the problems of contact stability, heat generation and installation stability of the connector in the prior art.

Disclosure of utility model

The utility model aims to provide a connector, which is provided with a conductive terminal manufactured by tearing technology, in particular to a connector, wherein a terminal of a motor and contact areas of a plurality of conductive terminals are spliced in the connector in a mode of simultaneously contacting at three positions, and a multipoint contact mode can increase the stability of terminal contact and can be suitable for the condition of high current. In addition, the design of the lead angle is added on the shell of the utility model, and the front and rear areas of the bottom of the shell are provided with welding feet, so that the connector and the motor can be in butt joint at the correct position and transmit current, and the stability of the connector on the printed circuit board during the plugging and unplugging is ensured.

In order to achieve the above objective, the present utility model provides a connector disposed on a printed circuit board for plugging a motor terminal. The connector comprises a shell, a first terminal, a second terminal and a plurality of fixing pieces. The shell comprises a body, a first opening end and a second opening end, wherein the first opening end and the second opening end are oppositely formed on the body and are communicated with each other. The first terminal extends to the second opening end through the first opening end, the first terminal is provided with a first bottom and a first extension part which are connected, the first extension part extends along a first direction and is arranged at the first opening end, and the first bottom extends along a second direction and is arranged at the second opening end. The second terminal extends to the second opening end through the first opening end, the second terminal is provided with a second bottom and a second extension part which are connected, the second extension part extends along the first direction and is arranged at the first opening end, and the second bottom extends along the second direction and is arranged at the second opening end. The fixing piece is partially arranged in the shell. The first opening end and the second opening end define a first accommodating space and a second accommodating space in the body together, the first accommodating space is formed on the second accommodating space, the first accommodating space is used for the first terminal to be arranged locally, and the second accommodating space is used for the second terminal to be arranged locally.

In an embodiment, the first extension portion further includes a first upper bending section and two first lower bending sections, the second extension portion further includes a second upper bending section and two second lower bending sections, the first upper bending section and the first lower bending section are staggered up and down, and the second upper bending section and the second lower bending section are staggered up and down.

In an embodiment, when the motor terminal is plugged into the first terminal and the second terminal, a connection end of the motor terminal may contact the first upper bending section and the first lower bending section at the same time, and another connection end of the motor terminal may contact the second upper bending section and the second lower bending section at the same time.

In an embodiment, a first space is formed between the first lower bending sections, the first upper bending section defines a first width, a second space is formed between the second lower bending sections, the second upper bending section defines a second width, the first space is equal to the first width, and the second space is equal to the second width.

In an embodiment, the body includes a first protruding portion, a second protruding portion, and a third protruding portion, where the first protruding portion, the second protruding portion, and the third protruding portion are arranged parallel to each other along the second direction, the first protruding portion further includes a first through hole, the second protruding portion further includes a plurality of second through holes, the third protruding portion further includes a plurality of third through holes, the first upper bending section is partially accommodated in the first through hole, the first lower bending section and the second upper bending section are partially accommodated in the second through hole, and the second lower bending section is partially accommodated in the third through hole.

In an embodiment, the third protruding portion further has two grooves, and each groove is disposed corresponding to each fixing member.

In an embodiment, the body further has two first guiding portions and two second guiding portions, the first guiding portions are respectively formed on the first protruding portion and the second protruding portion, and the second guiding portions are respectively formed on the second protruding portion and the third protruding portion, so that the motor terminal is abutted against the first terminal and the second terminal along the first guiding portions and the second guiding portions.

In an embodiment, the body further has two third guiding portions respectively formed on two opposite sides of the first protruding portion.

In an embodiment, each of the fixing members has a foot portion, the foot portion is disposed through the printed circuit board along the second direction, and the first bottom portion, the second bottom portion and the foot portion are welded and fixed on the printed circuit board.

In an embodiment, the first protruding portion and the second protruding portion define a first inserting groove together, the second protruding portion and the third protruding portion define a second inserting groove together, the first upper bending section and the first lower bending section partially extend in the first inserting groove, and the second upper bending section and the second lower bending section partially extend in the second inserting groove.

Other objects of the present utility model, as well as means and embodiments of the present utility model, will become apparent to those skilled in the art upon review of the drawings and detailed description of the embodiments.

Drawings

FIG. 1 is a schematic view of a connector of the present utility model disposed on a printed circuit board and motor terminals;

FIG. 2 is a schematic diagram of a connector and a printed circuit board according to the present utility model;

FIG. 3 is a schematic view of a connector and a printed circuit board according to another embodiment of the present utility model;

FIG. 4 is an exploded view of the connector of the present utility model;

FIG. 5 is a schematic view of the housing of the present utility model;

FIG. 6 is a schematic view of another view of the housing of the present utility model;

FIG. 7 is a schematic view of a first terminal, a second terminal and a fixture according to the present utility model;

FIG. 8 is a schematic diagram of a first terminal and a second terminal according to the present utility model;

FIG. 9 is a partial perspective view of the connector of the present utility model;

FIG. 10 is a side view of the connector of the present utility model; and

Fig. 11 is a cross-sectional view of a connector of the present utility model.

Description of the reference numerals

100. Connector with a plurality of connectors

200. Printed circuit board with improved heat dissipation

300. Motor terminal

1. Outer casing

11. Body

111. First projection

1111. First through hole

111. First projection

112. Second protruding part

1121. Second through hole

113. Third protrusion part

1131. Third through hole

1132. Groove

114. First guide part

115. Second guide part

116. Third guide part

12. A first open end

13. A second open end

2. First terminal

21. A first bottom

22. First extension part

221. First upper bending section

222. First lower bending section

3. Second terminal

31. A second bottom

32. Second extension part

321. Second upper bending section

322. Second lower bending section

4. Fixing piece

41. Foot portion

A1 First distance of

A2 Second distance

B1 First width of

B2 Second width of

D1 First direction

D2 Second direction

F1 First inserting groove

F2 Second inserting groove

S1 first accommodating space

S2, a second accommodating space.

Detailed Description

The following examples are presented to illustrate the utility model and are not intended to limit the utility model to any particular environment, application, or particular manner in which it may be practiced. Accordingly, the description of the embodiments is merely for the purpose of illustrating the utility model and is not intended to limit the utility model. It should be noted that, in the following embodiments and the accompanying drawings, some elements not directly related to the present utility model are omitted and not shown, and the dimensional relationships and the number of the elements in the drawings are only for easy understanding, and are not intended to limit the present utility model.

Please refer to fig. 1 to 4. Fig. 1 is a schematic view of a connector 100 of the present utility model disposed on a printed circuit board 200 and a motor terminal 300 mated with the connector 100. Fig. 2 and 3 are schematic diagrams of the combination of the connector and the printed circuit board according to the present utility model. Fig. 4 is an exploded view of the connector 100 according to the present utility model, wherein the connector 100 includes a housing 1, a first terminal 2, a second terminal 3, and two fixing members 4, and as shown in fig. 1, the connector 100 is disposed on a printed circuit board 200 and can be plugged with a motor terminal 300.

Next, please refer to fig. 5 and fig. 6 together. Respectively, a front and rear view of the housing 1 of the present utility model is shown. The housing 1 includes a body 11, a first open end 12, and a second open end 13. The first opening end 12 and the second opening end 13 are formed in front and rear of the body 11 to be in communication with each other, wherein the first opening end 12 provides a space for interfacing with the motor terminal 200. The first opening end 12 and the second opening end 13 define a first accommodating space S1 and a second accommodating space S2 in the body 11. The first accommodating space S1 is formed above the second accommodating space S2, the first accommodating space S1 can be provided with the first terminal 2 partially arranged therein, and the second accommodating space S2 is provided with the second terminal 3 partially arranged therein.

In detail, the body 11 further includes a first protruding portion 111, a second protruding portion 112, a third protruding portion 113, two first guiding portions 114, two second guiding portions 115, and two third guiding portions 116. The first protruding portion 111, the second protruding portion 112 and the third protruding portion 113 extend from the body 11 along a first direction D1, and the first protruding portion 111, the second protruding portion 112 and the third protruding portion 113 are arranged parallel to each other along a second direction D2. The first protruding portion 111 further has a first through hole 1111, the second protruding portion 112 further has three second through holes 1121, and the third protruding portion 113 further has two third through holes 1131 and two grooves 1132. The first terminal 2 and the second terminal 3 can be partially disposed in the first through hole 1111, the second through hole 1121, and the third through hole 1131, respectively. And the two grooves 1132 can be respectively provided for the two fixing pieces 4. The first protrusion 111 and the second protrusion 112 together define a first inserting groove F1, and the second protrusion 112 and the third protrusion 113 together define a second inserting groove F2. In addition, the first guiding portions 114 are respectively formed on the lower edge of the first protruding portion 111 and the upper edge of the second protruding portion 112, and the first guiding portions 114 correspond to each other and each first guiding portion 114 presents an inclination angle. The second guiding portions 115 are respectively formed at the lower edge of the second protruding portion 112 and the upper edge of the third protruding portion 113, the second guiding portions 115 correspond to each other, and each second guiding portion 115 presents an inclination angle. And the third guide portions 116 are formed on opposite sides of the upper edge of the first protrusion 111, respectively. The first guiding portion 114 and the second guiding portion 115 can guide the motor terminal 300 into the first inserting groove F1 and the second inserting groove F2, so that the motor terminal 300 can be inserted into the first terminal 2 and the second terminal 3 at the correct position, thereby improving the connection stability of the connector 100. The first guide portion 114, the second guide portion 115, and the third guide portion 116 may be designed with a guiding angle, mainly the connector 100 is correspondingly connected to the motor housing, so as to compensate for misalignment of the connector 100 or risk of tolerance.

Next, the first terminal 2 and the second terminal 3 of the present utility model will be further described with reference to fig. 7. The first terminal 2 extends to the second open end 13 through the first open end 12, the first terminal 2 has a first bottom 21 and a first extension 22, the first extension 22 extends along the first direction D1 to be disposed at the first open end 12, the first bottom 21 extends along the second direction D2 to be disposed at the second open end 13, and the first bottom 21 and the first extension 22 are connected to each other to form an L-shaped structure and disposed in the housing 1. In detail, the first extension portion 22 further includes a first upper bending section 221 and two first lower bending sections 222, and the first upper bending section 221 and the first lower bending sections 222 are staggered up and down. The first upper bending section 221 is partially accommodated in the first through hole 1111, and the first lower bending section 222 is partially correspondingly accommodated in the second through hole 1121. The first upper bending section 221 and the first lower bending section 222 partially extend into the first inserting groove F1, so that the partially exposed first upper bending section 221 and the first lower bending section 222 form a contact area capable of being inserted into a connection end of the motor terminal 300.

The second terminal 3 also extends to the second open end 13 through the first open end 12, the second terminal 3 has a second bottom 31 and a second extension portion 32, the second extension portion 32 extends along the first direction D1 and is disposed at the first open end 12, the second bottom 31 extends along the second direction D2 and is disposed at the second open end 13, and the second bottom 31 and the second extension portion 32 are connected to each other, form an L-shaped structure and are disposed in the housing 1, wherein the first terminal 2 is disposed above the second terminal 3. In detail, the second extension portion 32 further includes a second upper bending section 321 and two second lower bending sections 322, and the second upper bending section 321 and the second lower bending section 322 are staggered up and down. The second upper bending section 321 is partially accommodated in the second through hole 1121, and the second lower bending section 322 is partially correspondingly accommodated in the third through hole 1131. The second upper bending section 321 and the second lower bending section 322 partially extend in the second plugging slot F2, so that the partially exposed second upper bending section 321 and the second lower bending section 322 form another contactable area, and can be plugged with another connection end of the motor terminal 300, and the connection relationship of the motor terminal 300 will be described in detail below.

Please refer to fig. 10. When the motor terminal 300 is inserted into the first terminal 2 and the second terminal 3, a connection end of the motor terminal 300 can simultaneously contact the first upper bending section 221 and the two first lower bending sections 222, and an upper surface of the connection end contacts the first upper bending section 221 and a lower surface contacts the two first lower bending sections 222. On the other hand, the other connecting end of the motor terminal 300 may contact the second upper bending section 321 and the two second lower bending sections 322 at the same time, and the upper surface of the other connecting end contacts the second upper bending section 321 and the lower surface contacts the two second lower bending sections 322. One connection end of the motor terminal 300 is simultaneously brought into contact with three places of the first terminal 2, and the other connection end is simultaneously brought into contact with three places of the second terminal 3. This three-contact design can increase the stability of contact between the first terminal 2 and the second terminal 3 for conduction and the motor terminal 300, and is suitable for a high-current connector such as an electric window motor for a vehicle. The design of the three contacts is similar to that of the contacts in a parallel mode, and by increasing the contact points between the terminals, on one hand, electricity is reduced to improve the passable current, and on the other hand, heat energy can be evenly dispersed, so that the phenomenon of concentrated overheating is avoided.

Further, as shown in fig. 8, a first space A1 is formed between the two first lower bending sections 222, the first upper bending sections define a first width B1, and the first space A1 is equal to the first width B1. On the other hand, a second interval A2 is formed between the two second lower bending sections 322, and the second upper bending section 321 defines a second width B2, where the second interval A2 is equal to the second width B2. It should be noted that, the second terminal 2 and the third terminal 3 are formed by tearing, compared with the conventional blanking method, the adjacent contact points of the terminals will not generate gaps, so that the contact area of the terminals can be increased, and the heat dissipation efficiency of the connector 100 is greatly improved when a large current passes through the connector 100.

Referring to fig. 9 and 11, the fixing member 4 is partially disposed in the housing 1, and the fixing member 4 is correspondingly disposed in the groove 1132. Each fixing member 4 has a foot 41, and the foot 41 is disposed through the printed circuit board 200 along the second direction D2, and has a board lock (board lock) for firmly locking the printed circuit board 200. Then, the first bottom 21 of the first terminal 2, the second bottom 31 of the second terminal 3, and the leg 41 may be fixed to the printed circuit board 200 by soldering. Therefore, the front of the terminal docking area is provided with the foot 41 of the fixing piece 4, and the rear of the terminal docking area is provided with the first bottom 21 and the second bottom 31 which are welded on the printed circuit board 200 in a soldering manner, so that the holding stability of the connector 100 can be improved, and the risk of jacking when the connector 100 is inserted into the motor terminal 300 can be avoided.

In summary, the connector of the present utility model includes a first terminal and a second terminal having three contacts, and the first terminal and the second terminal can be inserted into the positive and negative poles of the motor terminal correspondingly to start power transmission. On the other hand, the shell of the utility model comprises a guide angle design for guiding the motor shell to be inserted and the terminals to be inserted, so that the connector and the motor can be butted at the correct position, and the connector can be connected stably by virtue of the welding design of the front and rear areas of the printed circuit board, which correspond to the terminals to be connected.

The above examples are only for illustrating the embodiments of the present utility model and illustrate the technical features of the present utility model, and are not intended to limit the scope of the present utility model. Any modification or equivalent arrangement which can be easily accomplished by a person skilled in the art is within the scope of the present utility model as claimed.

Claims (10)

1. A connector for mounting on a printed circuit board for mating with a motor terminal, the connector comprising:

The shell comprises a body, a first opening end and a second opening end, wherein the first opening end and the second opening end are oppositely formed on the body and are communicated with each other;

The first terminal extends to the second opening end through the first opening end, the first terminal is provided with a first bottom and a first extension part which are connected, the first extension part is arranged at the first opening end in an extending way along a first direction, and the first bottom is arranged at the second opening end in an extending way along a second direction;

The second terminal extends to the second opening end through the first opening end, the second terminal is provided with a second bottom and a second extension part which are connected, the second extension part extends along the first direction and is arranged at the first opening end, and the second bottom extends along the second direction and is arranged at the second opening end; and

A plurality of fixing pieces which are partially arranged in the shell;

The first opening end and the second opening end define a first accommodating space and a second accommodating space in the body together, the first accommodating space is formed on the second accommodating space, the first accommodating space is used for the first terminal to be arranged locally, and the second accommodating space is used for the second terminal to be arranged locally.

2. The connector of claim 1, wherein the first extension portion further comprises a first upper bending section and two first lower bending sections, the second extension portion further comprises a second upper bending section and two second lower bending sections, the first upper bending section and the first lower bending section are staggered up and down, and the second upper bending section and the second lower bending section are staggered up and down.

3. The connector of claim 2, wherein when the motor terminal is plugged into the first terminal and the second terminal, a connection end of the motor terminal can simultaneously contact the first upper bending section and the first lower bending section, and another connection end of the motor terminal can simultaneously contact the second upper bending section and the second lower bending section.

4. The connector of claim 2, wherein the first lower bending sections define a first spacing therebetween, the first upper bending sections define a first width, the second lower bending sections define a second spacing therebetween, the second upper bending sections define a second width, the first spacing is equal to the first width, and the second spacing is equal to the second width.

5. The connector of claim 2, wherein the body includes a first protrusion, a second protrusion, and a third protrusion, the first protrusion, the second protrusion, and the third protrusion are arranged parallel to each other along the second direction, the first protrusion further has a first through hole, the second protrusion further has a plurality of second through holes, the third protrusion further has a plurality of third through holes, the first upper bending section is partially accommodated in the first through hole, the first lower bending section and the second upper bending section are partially accommodated in the second through hole, and the second lower bending section is partially accommodated in the third through hole.

6. The connector of claim 5, wherein the third protrusion further comprises two grooves, each of the grooves being respectively provided for each of the fixing members.

7. The connector of claim 5, wherein the body further comprises two first guiding portions and two second guiding portions, the first guiding portions are respectively formed on the first protruding portion and the second protruding portion, and the second guiding portions are respectively formed on the second protruding portion and the third protruding portion, so that the motor terminal can abut against the first terminal and the second terminal along the first guiding portions and the second guiding portions.

8. The connector of claim 5, wherein the body further comprises two third guiding portions formed on opposite sides of the first protruding portion.

9. The connector of claim 1, wherein each of the fixing members has a leg portion, the leg portion is disposed through the printed circuit board along the second direction, and the first bottom portion, the second bottom portion and the leg portion are soldered on the printed circuit board.

10. The connector of claim 5, wherein the first protrusion and the second protrusion together define a first mating groove, the second protrusion and the third protrusion together define a second mating groove, the first upper bending section and the first lower bending section partially extend into the first mating groove, and the second upper bending section and the second lower bending section partially extend into the second mating groove.