CN201029128Y - Improved connector - Google Patents

Abstract

The utility model discloses an improved connector, comprising a colloid, wherein the colloid has upper and lower rows of jacks; and a plurality of terminals, wherein the terminals are L-shaped and have a long side and a short side, wherein an open clamp arm is provided on an end of the short side away from the long side, and wherein the short side has two supporting feet arranged in front and rear on an end close to the long side, wherein three sides of the supporting feet are separated from the short side, and the remaining side is connected to the short side and bent downward, so that the supporting feet are inclined toward the long side; when the clamp arm and the supporting feet are inserted into the jack, the supporting feet are obliquely placed in the jack, so that the fixed terminal is not easy to withdraw from the jack or become loose, and the long side of the terminal is connected to a connection point of a circuit board.

Description

Improved connector

technical field

The utility model relates to a connector, in particular to a connector inserted with improved terminals.

Background technique

Nowadays, electronic products such as general computers, laptop computers, digital cameras or memory cards are generally equipped with male and female connectors that are electrically connected to each other. In order to reduce the probability of poor connection of connectors, manufacturers have devoted themselves to improving the terminals of female connectors.

As shown in FIG. 1A , in a traditional female connector terminal, a sheet metal A is punched in multiple stages through a continuous die to form a plurality of terminal development profiles with the same shape. The terminal includes a clamp arm part B, a central part C, two pairs of wing parts D1, D2 and a bent leg part E; the clamp arm part B is further crimped to form a clamp arm F with an opening, and the two pairs of wing parts D1 and D2 further Bending down to form two pairs of supporting feet G1, G2, a claw G21 protrudes from the lower edge of the supporting foot G2 close to the bent foot part E, and the bent foot part E is further curled into a thin needle shape and perpendicular to the clamp arm F Bending, as shown in Figure 1B, is a terminal semi-finished product (the bent part E has not yet been separated from the sheet A); The supporting legs G1 and G2 are respectively inserted into the upper and lower row jacks H1 of the colloid H, and the two pairs of supporting legs G1 and G2 stand on both sides of the jack H1 to stabilize the terminal clamp arm F so that it can be inserted into the corresponding socket. The connection hole H2 on the end surface of the colloid H, and the hook G21 of the supporting leg G2 are used to prevent the terminal from exiting the jack H1 (as shown in Figure 1C); when the terminal is firmly fixed in the jack H1, the bent part E and the board Material A is separated, so that the end of the bent leg part E is connected to the circuit board (not shown in the figure).

Although this type of terminal has symmetrical support feet that can be stably inserted into the socket, it can be seen from Figure 1A that in order to form the support feet, it is necessary to add two wings on both sides of the central part of each terminal to make the formed terminal On the other hand, in order to prevent the terminal from withdrawing from the socket, the added claws will easily cause the socket to wear and cause the terminal to loosen after contacting and rubbing against the socket. As shown in FIG. 1D , the design of the L-shaped conductive fixing member d of the existing connector terminal not only wastes materials, but also takes up space and increases the cost.

Contents of the invention

Because the copper plates used to form connector terminals are quite expensive, the main purpose of this utility model is to save the copper plate area occupied by forming each connector terminal, and to form a copper plate with the largest number of connector terminals as much as possible to reduce Waste is produced, reducing production costs.

Another purpose is to solve the problem that the claws of the existing connector terminals will wear the socket, and improve it so that the designed terminal can be stably inserted into the socket.

Based on the above purpose, the utility model provides an improved connector, which includes a colloid positioning seat on which a plurality of colloids can be positioned, and a conductive fixing piece is provided on each of the two symmetrical sides of the colloid positioning seat; The upper and lower rows of connector terminals in the upper and lower rows of jacks have L-shaped long sides and short sides, wherein the conductive fixing part has a hollow part, which is obliquely arranged on the colloid positioning seat; the connector The short side of the terminal has a clamping arm that opens away from the direction of the long side on the end far away from the long side, and the short side has two supporting feet arranged in front and rear on the end close to the long side, and three of the supporting feet are One side is separated from the short side, and the remaining side is connected with the short side and bent downward, so that the supporting legs are inclined toward the long side.

In the connector described in the utility model, the area of sheet material used for forming each terminal is only 1/2 of the developed area of an existing terminal, and the supporting legs of the utility model are directly on the sheet material constituting the short side of the terminal. It is punched up and does not need to add additional two-wing sheets like the existing terminal. This cost-saving structure is suitable for mass production.

In the connector described in the utility model, after the terminal is formed, the front and rear support legs lean against the bottom surface of the socket, so that the clamp arm can be inserted into the circular connection hole on the end surface of the colloid, and the support legs are located in the socket Inwardly and inclined toward the long side, when a strong external force forces the terminal out of the jack, the supporting leg is pulled perpendicular to the bottom of the jack due to contact with the bottom of the jack, and because the end of the supporting leg is an arc edge, so The supporting legs will be locked on the bottom surface of the socket, so that the terminal cannot exit the socket.

Description of drawings

FIG. 1A is a schematic diagram of a developed profile of a terminal punched out by a continuous die in the prior art.

FIG. 1B is a schematic diagram of a molded terminal and its insertion into a colloid socket after molding in the prior art.

FIG. 1C is a schematic diagram of the contact between the terminal support leg and the colloid socket in the prior art.

FIG. 1D is a schematic diagram of a connector assembly in the prior art.

Fig. 2 is a schematic diagram of the expanded profile of the terminal punched out by the continuous die in the embodiment of the present invention.

Fig. 3 is a schematic diagram of a molded terminal in an embodiment of the present invention and a molded terminal inserted into a colloid socket.

Fig. 4 is a schematic diagram of the contact between the terminal support leg and the colloid socket in the embodiment of the present invention.

FIG. 5 is an exploded schematic diagram of a double-layer connector inserted with terminals in an embodiment of the present invention.

FIG. 6 is a schematic diagram of another double-layer connector combination with terminals inserted in the embodiment of the present invention.

Wherein, the reference signs are explained as follows:

1. Sheet metal 11. Clamp arm 111. Clamp arm

12. Supporting part 13. Bending foot part 131. Bending foot

14. Supporting feet 2. Colloid 21. Jack

211. Jack bottom surface 22. Jack 23. Connection hole

24. Guide groove

3. Double-layer connector 31. The first connector glue

311. Jack 312. First connector terminal

313. Bending foot part 32. Second connector glue

321. Jack 322. Second connector terminal

323. Guide groove 33. Third male terminal connector

331. Bending foot 332. Guide groove

34. Colloid positioning seat 341. Terminal positioning hole

35. Rivets 36. Conductive fasteners

4. Double-layer connector A. Sheet

B. Jaw arm part C. Central part

D1. Wings D2. Wings

d. Conductive fixture E. Bend foot

F. Jaw arm G1. Support foot

G2. Supporting feet G21. Hook claws

H. Colloid H1. Jack

H2. Connection hole

Detailed ways

The implementation of the utility model will be described in more detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it according to the embodiment.

In the connector described in the present utility model, the terminal is formed on a sheet metal 1 by using a continuous punching die to form a plurality of terminal development profiles with the same shape. As shown in Figure 2, each terminal sheet contains a Clamp arm portion 11, a support portion 12 and a bent leg portion 13, the bent leg portion 13 is connected to one side of the metal sheet 1 having a positioning hole when the terminal is just formed, without connecting the bent leg portion 13 with the The sheet material 1 is cut to facilitate the terminal forming into a whole row form, and then two terminal support feet 14 are punched out at intervals on the sheet material of the support part 12, and three sides of the support leg 14 are separated from the sheet material of the support part 12 , the remaining side is connected with the supporting part 12 sheet material and the supporting foot 14 is bent downwards. The clamp arm 111 makes the sheet material on both sides of the hollowed out part of the support part 12 be bent downward, and the bent leg part 13 forms a needle-like bent leg 131 (as shown in FIG. 3 ). For the terminal with this structure, the supporting legs 14 are punched and molded directly on the sheet material of the supporting part 12 , which saves material compared with the existing terminal with additional wings on both sides of the supporting part.

Referring to FIG. 3 , the supporting portion 12 and the bent leg 131 of the terminal are further bent vertically to form an L-shaped semi-finished terminal with a long side (the bent leg 131 ) and a short side (including the clamp arm 111 and the supporting leg 14 ); At this time, the bent leg 131 is still connected with the sheet material 1, and the two supporting legs 14 are inclined towards the bent leg 131. The connector body 2 shown in FIG. 3 generally has two rows of misaligned jacks 21 and 22 on the upper and lower sides. When inserting terminals into the body 2, the number of semi-finished terminals must be selected according to the number of holes in each row. Usually, there is a colloid jack hole between each semi-finished terminal. Therefore, assuming that the jacks 21 in the upper row have 13 holes in total, it is necessary to select 7 semi-finished terminals and insert them into the jacks 21 at intervals. When inserting, make the clamp arm 111 of the terminal correspond to the circular connection hole 23 on the end surface of the colloid 2, and the two supporting legs 14 of the supporting part 12 are inclined in the socket 21 and contact with the bottom surface of the socket 21. The bent legs of each terminal 131 is embedded in the guide groove 24 on the lower edge of the colloid 2 in one-to-one correspondence. After the first group of semi-finished terminals are fixed and inserted, the terminal bends 131 are separated from the sheet material 1; in addition, 6 semi-finished terminals (not shown in the figure) are selected and inserted in the hollow sockets 21 of the upper row to Fill up the upper row of jacks 21, similarly, embed the terminal bent feet 131 in the corresponding guide grooves 24, and separate the bent feet 131 from the sheet material 1, that is to complete the connection between the upper row of jacks 21 of the colloid 2 and the terminals. Fixed connection. The lower row jacks 22 are combined and connected with the lower row terminals in the same manner.

FIG. 4 is a cross-sectional view of a terminal inserted into a socket. The terminal of the present utility model has the function of preventing backing out of the jack 21, because the supporting foot 14 is located in the jack 21 inclined towards the direction of the terminal bent pin 131, so even if there is a strong external force (external force in the direction shown by the arrow) to force the The terminal exits the socket 21, and the supporting leg 14 is forcibly pulled and deformed to be perpendicular to the bottom surface 211 of the socket 21 due to contact with the bottom surface 211 of the socket 21. In addition, because the end of the supporting leg 14 has a circular arc edge, the supporting leg 14 will be locked The bottom surface 211 of the insertion hole 21 prevents the terminal from exiting the insertion hole 21 .

The above-mentioned improved terminals are suitable for female connectors of electronic products such as general computers, laptop computers, digital cameras or memory cards. FIG. 5 is an exploded view of the double-layer connector 3 , which includes a first connector glue 31 , a second connector glue 32 , a third male terminal connector 33 and an integrally formed glue positioning seat 34 . Let the terminals of the present utility model be respectively inserted into the sockets 311, 321 of the first and second connector colloids 31, 32 to form the first connector terminal 312 and the second connector terminal 322, and the bend of the first connector terminal 312 The ends of the legs 313 pass through a plurality of terminal positioning holes 341 on the colloid positioning seat 34, and the ends of the second connector terminals 322 and the terminals of the third male terminal connectors 33 are respectively embedded in the guide grooves of the colloid itself. 332,323; the first and second connector colloids 31, 32 and the third male terminal connector 33 are fixed on the colloid positioning seat 34 with a plurality of rivets 35, and the rivets 35 on both sides of the colloid positioning seat 34 are further connected with a conductive fixture 36 connections to fix the double-layer connector 3 on the board (not shown in the figure) of the electronic product. The conductive fixing part 36 is designed as a hollow shape with hypotenuses, which can also reduce the use of materials, thereby saving manufacturing costs. . As shown in FIG. 6 , it is another form of double-layer connector 4 , which is also suitable for the improved terminals described in the present invention.

The above descriptions are only preferred embodiments for illustrating the utility model, and are not intended to limit the utility model in any form. Therefore, any modifications or modifications made under the same spirit of the utility model are valid. Still should be included in the protection scope of the present utility model.

Claims (1)

1. an improved connector comprises a colloid positioning seat that can supply a plurality of colloids to locate thereon, and a conduction fixture is respectively established in the symmetrical both sides of described colloid positioning seat; Upper and lower row's terminal in the upper and lower socket hole of described colloid has L shaped long limit and minor face, it is characterized in that: described conduction fixture has hollow-out parts, tiltedly is located at described colloid positioning seat; The minor face of described terminal has the opening jig arm on the end away from long limit, described minor face has two feets of forward and backward arrangement on the end near long limit, separate with minor face on wherein three limits of described feet, residue then links with minor face and bending downwards on one side, and feet is tilted towards long side direction.

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