CN201845915U - Electrical connector and its terminal structure - Google Patents

Abstract

An electrical connector and a terminal structure thereof, the electrical connector comprises: a plastic base having a connecting slot and at least one row of terminal slots, adjacent terminal slots being separated by a partition; at least one row of terminals, which are assembled in the at least one row of terminal grooves, the terminals are formed by bending a metal plate surface, an extending part, a fixing part and a pin are sequentially arranged from one end to the other end, and the extending part is provided with a contact; wherein the fixed part of at least one row of terminal is equipped with in proper order toward the different positions of pin direction and compels tight portion and the protruding card portion in side direction, and this card portion is closer to this pin than this portion of compelling tightly, and this card portion only does the card of upper and lower direction with the plastic pedestal, does not do the side direction and compels tightly, should compel tight portion and this plastic pedestal to compel tightly. Thereby, the locking in the vertical direction does not occupy the width.

Description

Electrical connector and its terminal structure

【Technical field】

The utility model relates to an electrical connector, in particular to an electrical connector which does not require T-shaped slots to lock terminals.

【Background technique】

Please refer to FIG. 1 , which is a conventional electrical connector, which is provided with a plastic base 10 , a row of first terminals 20 and a row of second terminals 28 .

The plastic seat body 10 is provided with a connection groove 11 and two rows of terminal grooves 12. The opening of the connection groove is forward, and the adjacent terminal grooves 12 are separated by a separator 13. The two sides of the terminal groove 12 are provided with recessed cards. The slot 14 is a T-shaped slot.

The row of first terminals 20 is located in the lower row of terminal grooves 12, and the first terminal 20 is provided with an extension part 21, a fixing part 22 and a pin 23 in sequence from one end to the other end, and the extension part 21 is provided with There is an elastic arm 25, the elastic arm 25 is bent and provided with an upwardly protruding contact point 26 to the connecting groove 11, the plate surface of the fixing part 22 is wider than the extending part 21 so as to be locked in the clamping groove 14 of the terminal groove 12, the The fixing portion 22 is further provided with protruding barbs 24 to press against the slot 14 .

The row of second terminals 27 is located in the upper row of terminal grooves 12, and the second terminal 27 is provided with an extension part 28, a fixing part 29 and a pin 210 in sequence from one end to the other end, and the extension part 28 is It is an elastic arm and is bent with a downwardly protruding contact point 212 to the connecting groove 11. The plate surface of the fixing part 22 is wider than the extension part 21 so as to be locked in the slot of the terminal groove. The fixing part 210 is further provided with There are protruding barbs 211 and the draw-in groove are tight.

The above-mentioned existing structure has the following disadvantages, namely: 1. The fixing portion 22 of the first terminal is the locking groove 14 locked in the terminal groove 12, so the width of the extension portion 21 of the first terminal 20 must be narrower than the fixing portion 22, In this way, the surface area of the contact point 26 is smaller than that of the fixed part 22 and thus the positive force is small. 2. The two sides of the terminal groove 12 are provided with a recessed card slot 14 which is a T-shaped slot. The card slot 14 needs to occupy a width, so In increasingly sophisticated electrical connectors, it is difficult to manufacture.

【Content of utility model】

The main purpose of the present utility model is to provide an electrical connector. The fixed part of the terminal is provided with a pressing part and a locking part protruding laterally at different positions in the direction of the pin. The locking part and the plastic seat body Only for locking in the up and down direction, without lateral pressing, the pressing part is pressed tightly with the plastic seat body, so as to achieve no occupation of width in the locking of the up and down direction.

In order to achieve the above purpose, the utility model electrical connector includes: a plastic base body, which is provided with a connecting groove and at least one row of terminal grooves, adjacent terminal grooves are separated by a separator; and at least one row of terminals, the It is assembled in the at least one row of terminal grooves. The terminal is formed by bending a metal plate. It is provided with an extension part, a fixing part and a pin in sequence from one end to the other end. The extension part is provided with a contact point; its characteristics In that: the fixed part of at least one row of terminals is sequentially provided with a pressing part and a laterally protruding locking part at different positions in the direction of the pin. The locking part is closer to the pin than the pressing part. The fixed part and the plastic seat body are only locked in the up and down direction, and not laterally tightened, and the tightening part is tightened with the plastic seat body.

The electrical connector is characterized in that two side arms are provided on both sides of the plastic seat body, and the two side arms extend toward the opening direction of the connecting groove, and a buckle is provided near the outer end, when a circuit board is inserted When the connecting groove is positioned, the buckle can lock one side of the circuit board.

The electrical connector is characterized in that: the at least one row of terminal grooves is two rows, the at least one row of terminals includes a row of first terminals and a row of second terminals, which are arranged on the plastic seat body, the plastic The opening of the connecting groove of the base body is forward, the contact point of the first terminal protrudes upward, and the contact point of the second terminal protrudes downward and is located above the contact point of the first terminal.

The electrical connector is characterized in that: the contact point of the second terminal is further behind the contact point of the first terminal.

The electrical connector is characterized in that: both sides of the fixing portion of the terminal are provided with the locking portion.

The electrical connector is characterized in that the locking portions on both sides of the fixing portion of the terminal are staggered forward and backward.

The electrical connector is characterized in that: the extension portion of the terminal includes a springable elastic arm, and the elastic arm is provided with the contact point protruding to the connecting groove.

The above-mentioned electrical connector is characterized in that: a notch is provided under the outer end of at least one row of separation sheets, and the locking portion of the fixing portion of the at least one row of terminals engages the notch of the separation sheet.

The electrical connector is characterized in that: the pressing portion protrudes from one side of the fixing portion to form a lateral pressing with the terminal groove, and the locking portion protrudes further from the fixing portion side than the pressing portion.

The above-mentioned electrical connector is characterized in that: the fixing part is provided with the tightening part at the end away from the pin, the tightening part is formed by folding the board surface, and the tightening part and the plastic seat body are forced up and down. tight.

The electrical connector is characterized in that the fixing portion of the terminal does not protrude laterally relative to the side where the locking portion is provided.

The electrical connector is characterized in that: the position of the fixing portion of the terminal relative to the side where the locking portion is provided is a concave portion recessed in a side direction.

The utility model also provides a terminal structure of an electrical connector, which is assembled on the plastic seat body of the electrical connector. The terminal is formed by bending a metal plate, and is sequentially provided with an extension part from one end to the other end, A fixing part and a pin, the fixing part is provided with a pressing part, and the extension part is provided with a contact point; it is characterized in that: the fixing part of the terminal is provided with a pressing part and a lateral protrusion in sequence at different positions in the direction of the pin The locking part is closer to the pin than the pressing part. The locking part and the plastic seat body are only locked in the up and down direction, not laterally tightened. The pressing part and the plastic The seat is tight.

The terminal structure of the electrical connector is characterized in that: both sides of the fixing part of the terminal are provided with the locking part.

The terminal structure of the electrical connector is characterized in that the locking parts on both sides of the fixing part of the terminal are staggered forward and backward.

The terminal structure of the electrical connector is characterized in that: the pressing part protrudes from one side of the fixing part, and the locking part protrudes further from the fixing part than the pressing part.

The terminal structure of the electrical connector is characterized in that the fixing part of the terminal does not protrude laterally relative to the side where the locking part is provided.

The terminal structure of the electrical connector is characterized in that the position of the fixing part of the terminal relative to the side where the locking part is provided is a concave part concave in a side direction.

The terminal structure of the electrical connector is characterized in that: the extension part of the terminal includes a springable elastic arm, and the elastic arm is provided with the contact point.

The above and other objectives, advantages and characteristics of the utility model of the utility model can be more clearly understood from the following detailed description of the preferred embodiments and with reference to the drawings.

【Description of drawings】

FIG. 1 is an exploded perspective view of a conventional electrical connector.

Fig. 2 is a perspective view of the first embodiment of the utility model.

Fig. 3 is a side sectional view of the first embodiment of the utility model.

Fig. 4 is a sectional perspective view of the first embodiment of the present utility model.

Fig. 5 is a sectional perspective exploded view of the first embodiment of the utility model.

Fig. 6 is a cross-sectional perspective view of the second embodiment of the present invention.

Fig. 7 is a perspective view of the second terminal of the second embodiment of the present invention.

Fig. 8 is a cross-sectional perspective view of the third embodiment of the present invention.

Fig. 9 is a perspective view of the second terminal of the third embodiment of the present invention.

Fig. 10 is a cross-sectional perspective exploded view of the fourth embodiment of the present utility model.

Fig. 11 is a cross-sectional perspective exploded view of the fifth embodiment of the present invention.

Plastic seat body 30 connection groove 31 terminal groove 32 separator 33

Notch 34 Two side arms 70 Buckle 75

First terminal 40 extension part 41 fixed part 42 pin 43

Urgent part 44 Locking part 45 Contact point 46 Recessed part 47

Urgent part 48 Second terminal 50 Extension part 51 Fixed part 52

Pin 53 Contact 56

【Detailed ways】

Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, which are the first embodiment of the present utility model, which is a DDRSO DIMM electrical connector, which is provided with a plastic seat body 30, a row of first terminals 40 and a row of first terminals Two terminals 50.

The plastic seat body 30 is provided with a connection groove 31 and two rows of terminal grooves 32, adjacent terminal grooves 32 are separated by a separator 33, wherein the lower row of terminal grooves 32 is not T-shaped, that is, there is no depression on both sides There is a notch 34 below the outer end of the lower row of separators 33, the upper row of terminal slots 32 is T-shaped as before, and two side arms 70 are provided on both sides of the plastic seat body, and the two side arms 70 Extending towards the opening direction of the connecting groove, a buckle 75 is provided near the outer end thereof, and when a circuit board is inserted into the connecting groove for positioning, the buckle 75 can lock one side of the circuit board.

The row of first terminals 40 is assembled in the lower row of terminal grooves 32. The first terminals 40 are formed by bending a metal plate, and are sequentially provided with an extending part 41, a fixing part 42 and a fixed part 42 from one end to the other end. A pin 43, the extension part 41 is an elastic arm and is bent with an upwardly protruding contact point 46 to the connecting groove 31, the contact point 46 is a section of the end of the extension part 41, and the plate surface of the fixing part 42 is roughly in line with the extension part 41 is equal in width, and the two sides of the fixing part 42 are provided with a laterally protruding pressing part 44 and a laterally protruding locking part 45 at different positions in the direction of the pin 43. The locking part 45 is tighter than the locking part 45. The part 44 is closer to the pin 43 and protrudes from the side of the fixing part 45. The locking parts 45 on both sides of the fixing part are staggered forward and backward relative to each other and are recessed in one direction relative to the side where the locking part 45 is provided. The concave part 47, the locking part 45 is locked in the notch 34 of the separator and is only locked with the plastic seat body in the up and down direction, without lateral pressing. The pressing part 44 and the lower row of the plastic seat body The terminal groove 32 is tightened. In addition, the end of the fixing part 42 away from the pin 43 is provided with another tightening part 48. The tightening part is formed by folding the board surface, and the tightening part 48 is tight in the plastic seat body 30. The draw-in slot (not shown) is formed to tighten up and down, and the pin 43 extends horizontally out of the lower end side of the plastic seat body.

The row of second terminals 50 is located in the upper row of terminal slots 32. The second terminals 50 are formed by bending a metal plate. An extension part 51, a fixing part 52 and a connecting part are sequentially provided from one end to the other end. The foot 53, the extension part 51 is an elastic arm and is bent with a downwardly protruding contact point 56 to the connecting groove 31. The contact point 56 is a section of the end of the extension part 51, and the contact point 56 is located above the contact point 46 of the first terminal. and the rear, the fixing part 52 is tightly fixed with the upper row of terminal grooves 32, and the pin 53 extends horizontally out from the other side of the lower end of the plastic seat body.

With the above structure, the utility model can achieve the following advantages:

1. The locking part 45 on the side of the first terminal 40 protruding most from the fixing part 42 is used to lock the notch 34 at the outer end of the separator 33 and is only locked with the plastic seat body 30 in the up and down direction, without lateral pressing, so The first terminal 40 and the plastic seat body 30 do not occupy the width in the up-down direction, and the plate surface of the fixing part 42 can be roughly equal to the width of the extension part 41, so that the contact point 46 has a larger contact area and positive direction. force.

2. The two sides of the terminal slot 32 of the plastic seat body 30 do not need to be provided with a concave slot but a T-shaped slot, so as not to occupy a width in the vertical locking, so that it is easier to manufacture the increasingly sophisticated electrical connector.

3 The end of the fixing part 42 away from the pin 43 is provided with another pressing part 48, the pressing part is formed by folding the board surface, and the pressing part 48 is pressed against the slot in the plastic base 30 (not shown in the figure) ) into the upper and lower directions of the pressing, by the pressing of the pressing part 48 in the up and down direction, the pressing part 44 can be designed to be lighter or even unnecessary in the lateral direction, so that the side of the terminal to the plastic seat body can be reduced. Direction force, to avoid deformation of the plastic seat body.

The upper row of terminals in this embodiment still adopts the existing fixing method due to product considerations. However, in response to product requirements, the upper row of terminals can also be designed as the fixing method of the lower row of terminals and the plastic seat of the present invention.

Please refer to FIG. 6 and FIG. 7, which are the second embodiment of the present utility model, which is roughly the same as the first embodiment, the difference is that only one side of the fixing portion 42 of the first terminal 40 of this embodiment is provided with a locking portion 45 , and pin 43 is slightly to one side.

Please refer to FIG. 8 and FIG. 9, which are the third embodiment of the present utility model, which is roughly the same as the first embodiment, the difference is that only one side of the fixing portion 42 of the first terminal 40 of this embodiment is provided with a locking portion 45 , the pin 43 is still centered.

Please refer to FIG. 10 , which is the fourth embodiment of the present utility model, which is roughly the same as the first embodiment. The difference is that the contact point 46 of the first terminal 40 of this embodiment is formed by bending and protruding upward from the extension part 51 .

Please refer to FIG. 11 , which is the fifth embodiment of the present utility model, which is roughly the same as the first embodiment. The difference is that the extension part 41 of the first terminal 40 of this embodiment is non-elastic and flat against the terminal groove 32 . Its proximal end is a contact 46 .

The specific embodiments proposed in the detailed description of the preferred embodiments are only for the ease of explaining the technical content of the present utility model, and are not limited to the present utility model in a narrow sense. The situation of applying for a patent scope can be implemented in various ways.

Claims (19)

1. An electrical connector, including: A plastic seat body is provided with a connection groove and at least one row of terminal grooves, and adjacent terminal grooves are separated by a separator; and At least one row of terminals is assembled in the at least one row of terminal grooves. The terminal is formed by bending a metal plate. It is provided with an extension part, a fixing part and a pin in sequence from one end to the other end. The extension part is provided with a contact; It is characterized in that: the fixing part of at least one row of terminals is sequentially provided with a pressing part and a laterally protruding locking part at different positions in the direction of the pin, and the locking part is closer to the pin than the pressing part. The locking part and the plastic seat body are only locked in the up and down direction, and not laterally tightened, and the tightening part is pressed tightly with the plastic seat body. 2. The electrical connector as claimed in claim 1, wherein two side arms are provided on both sides of the plastic seat body, and the two side arms extend toward the opening of the connecting groove, and a buckle is provided near the outer end of the two side arms , when a circuit board is inserted into the connection slot for positioning, the buckle can lock one side of the circuit board. 3. The electrical connector according to claim 1, wherein the at least one row of terminal slots is two rows, and the at least one row of terminals includes a row of first terminals and a row of second terminals, which are located on the The opening of the connecting groove of the plastic seat is forward, the contact point of the first terminal protrudes upward, and the contact point of the second terminal protrudes downward and is located above the contact point of the first terminal. 4. The electrical connector as claimed in claim 3, wherein the contact point of the second terminal is further behind the contact point of the first terminal. 5. The electrical connector as claimed in claim 1, wherein the locking portion is provided on both sides of the fixing portion of the terminal. 6. The electrical connector as claimed in claim 5, wherein the locking portions on two sides of the fixing portion of the terminal are staggered forward and backward. 7. The electrical connector as claimed in claim 1, wherein the extension portion of the terminal comprises a springable elastic arm, and the elastic arm is provided with the contact protruding to the connecting groove. 8 . The electrical connector as claimed in claim 1 , wherein a notch is formed under the outer end of at least one row of separators, and the locking portion of the fixing portion of the at least one row of terminals engages the notch of the separator. 9. The electrical connector according to claim 1, wherein the pressing portion protrudes from one side of the fixing portion and is pressed against the terminal groove laterally, and the locking portion is more protruding than the pressing portion Out of the fixed part side. 10. The electrical connector according to claim 1, characterized in that: the end of the fixing part away from the pin is provided with the tightening part, the tightening part is formed by folding the board surface, and the tightening part and the plastic The seat body becomes tight in the up and down direction. 11. The electrical connector as claimed in claim 1, wherein the fixing portion of the terminal does not protrude laterally relative to the side where the locking portion is provided. 12 . The electrical connector as claimed in claim 1 , wherein the fixing portion of the terminal is a concave portion concave in a side direction relative to the side where the locking portion is provided. 13 . 13. A terminal structure of an electrical connector, which is assembled on the plastic seat body of the electrical connector. The terminal is formed by bending a metal plate, and it is provided with an extension part, a fixing part and a A pin, the fixing part is provided with a tightening part, and the extension part is provided with a contact point; It is characterized in that: the fixed part of the terminal is provided with a pressing part and a laterally protruding locking part in sequence at different positions in the direction of the pin, the locking part is closer to the pin than the pressing part, and the locking part is closer to the pin. The part and the plastic seat body are only locked up and down, and not laterally tightened. The tightening part and the plastic seat body are tightened. 14 . The terminal structure of an electrical connector as claimed in claim 13 , wherein the locking portion is provided on both sides of the fixing portion of the terminal. 15 . The terminal structure of an electrical connector according to claim 14 , wherein the locking portions on two sides of the fixing portion of the terminal are staggered forward and backward. 16 . 16 . The terminal structure of an electrical connector according to claim 13 , wherein the pressing portion protrudes from one side of the fixing portion, and the locking portion protrudes further from the fixing portion than the pressing portion. 16 . 17. The terminal structure of an electrical connector as claimed in claim 13, wherein the fixing portion of the terminal does not protrude laterally relative to the side where the locking portion is provided. 18 . The terminal structure of an electrical connector as claimed in claim 13 , wherein the fixing portion of the terminal is a concave portion concave in a lateral direction relative to the side where the locking portion is provided. 19 . 19. The terminal structure of an electrical connector as claimed in claim 13, wherein the extension portion of the terminal comprises a springable elastic arm, and the elastic arm is provided with the contact point.

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