CN1731627A - Board-to-Board Electrical Connectors - Google Patents

Abstract

The invention provides a board-to-board electric connector for connecting two circuit boards, which comprises a female seat body, wherein one side of the female seat body is provided with a plurality of female terminal grooves which are arranged at intervals; most female terminal group adorns in this female pedestal, and this female terminal includes: a fixing part fixed in the female terminal groove; the elastic arm extends to the concave part of the female seat body, and the near end of the elastic arm forms a contact point; the pin part is assembled on the female seat body by a male seat body, and the male seat body is provided with a plurality of male terminal grooves which are arranged at intervals; most public terminal is assembled in the public terminal groove of this public pedestal, and this public terminal includes: a fixing part fixed in the male terminal groove; a contact part which is pressed against the contact point of the elastic arm of the female terminal; and a pin part. The invention is electrically connected with the male terminal by means of the up-and-down springing mode of the female terminal, so that the male and female seat bodies can be designed to have lower height and still have good electrical connection effect.

Description

Board-to-Board Electrical Connectors

technical field

The invention relates to an electrical connector, in particular to a board-to-board electrical connector used to connect two circuit boards.

Background technique

Please refer to Fig. 1 and Fig. 2, it is a conventional board-to-board electrical connector, which is used to connect two circuit boards, and it includes:

A female seat body 10, which is provided with a middle part 11 and a peripheral side part 12, the middle part 11 and the peripheral side part 12 form two concave parts 13, the peripheral side part 12 is provided with female terminal fixing grooves 14 arranged at intervals, the middle part 11 There are female terminal movable grooves 15 arranged at intervals on both sides.

Most of the female terminals 17 are assembled on the female base body, which are formed by cutting metal sheets: an elastic arm 18, which is bent from bottom to top, can bounce in the movable groove 15 of the female terminal and set There is a contact point 19 protruding out of the female terminal movable groove 15; a fixed part 21, which extends from bottom to bottom, and is inserted into the female terminal groove fixing groove 14 for fixing; and a pin part 20, which is perpendicular to the fixed part And extend out of the female seat body 10 horizontally.

A male base body 23 has a recess 24 in the middle, and a plurality of male terminal grooves 25 arranged at intervals on both sides thereof, when combined with the female base body 10, its two sides are inserted into the two recesses 13 of the female base body 10, and The middle portion 11 of the female seat is inserted into the recess 24 in the middle of the male seat.

Most of the male terminals 28 are assembled in the male terminal slot 25 of the male seat body 23, which is formed by bending a metal sheet: a fixed part 29, which is fixed with the male terminal slot 25; a contact piece 30, It is connected to one end of the fixing part 29, which is superimposed on the fixing part 29 from bottom to top;

Please refer to Fig. 2, after the male seat body 23 is joined to the female seat body 10, the contact point 19 of the female terminal 17 elastically contacts the contact piece 30 of the male terminal 28 to be electrically connected, so that the pin part 31 of the male terminal is connected to the A circuit Board 33, and the pin portion 20 of the female terminal is connected to the B circuit board 34, that is, the A circuit board 33 and the B circuit board 34 are electrically connected.

The above-mentioned conventional board-to-board electrical connector still has the following disadvantages: the spring arm 18 of the female terminal is for lateral springing, so it needs to have sufficient vertical length to have good lateral elasticity. If it is too short, the elasticity will be poor, and it will be prone to elastic fatigue and cause poor contact. Therefore, in order to make the receptacle have good elasticity, the height of the receptacle body cannot be designed lower, so it is difficult to meet the needs of current electronic products.

Contents of the invention

The purpose of the present invention is to provide a board-to-board electrical connector, which is electrically connected to the male terminal by means of the up and down springing of the female terminal, so that the male and female bases can be designed at a lower height and still have a good electrical connection. Connection effect.

In order to achieve the above purpose, the present invention provides a board-to-board electrical connector, which is characterized in that it includes: a female base body, a recess is formed in the middle of the female base body, and a plurality of spaced arrangements are arranged on one side of the female base body. female terminal groove;

Most of the female terminals are assembled on the female base body. The female terminals are integrally formed from metal sheets. The female terminals include: a fixing part, which is fixed in the female terminal slot; an elastic arm, which extends to The concave part of the female base body can spring up and down, and the proximal end of the elastic arm forms a contact point; and a connecting foot part, which extends out of the female base body;

A male seat body, which is assembled in the concave part of the female seat body, the male seat body is provided with a plurality of male terminal grooves arranged at intervals; and a plurality of male terminals, the male terminals are assembled in the male terminal grooves of the male seat body, the The male terminal is integrally formed by a metal sheet, including: a fixing part, which is fixed in the groove of the male terminal; a contact part, which presses against the contact point of the elastic arm of the female terminal; and a pin part, the The pin portion protrudes from the body of the male seat; and a locking device, the locking device makes the male seat body engage with the female seat body and lock each other.

The board-to-board electrical connector is characterized in that: the pin portion of the female terminal extends horizontally out of the body of the female base, and the pin portion of the male terminal extends horizontally out of the body of the male base.

The board-to-board electrical connector is characterized in that: the locking device is provided on the male seat body and the female seat body, and the locking device includes a first clip and a second clip that can be elastically snapped together The first clip is set on the female seat body, and its near end is provided with a laterally protruding block, the second clip is provided on the male seat body, and its upper end is clipped under the block of the first clip. Make the first and second clips form buckles.

The board-to-board electrical connector is characterized in that the first locking part is elastic in the lateral direction.

The board-to-board electrical connector is characterized in that: the second clamping part has elasticity in the lateral direction, and a clamping surface is provided on the upper end thereof.

The board-to-board electrical connector is characterized in that: the locking device is provided on the male seat body and the female seat body, which includes a first fastener and a second fastener that are interlocked with each other. A fastener is provided with a clamping hole, and the second fastener is provided with a convex circle which is buckled with the clamping hole of the first fastener.

The board-to-board electrical connector is characterized in that: the first fastener is fixed on the female seat body, and the second fastener is fixed on the male seat body.

The board-to-board electrical connector is characterized in that: the locking device is provided on the male terminal and the female terminal, and it includes a first clamping piece and a second clamping piece elastically buckled with each other. The clip is arranged on the female terminal, the first clip is provided with a protruding portion protruding sideways, the second clip is provided on the male terminal, the second clip is provided with a protruding portion protruding laterally, The convex part of the second clamping part is buckled under the convex part of the first clamping part.

The board-to-board electrical connector is characterized in that: the first locking member has elasticity that can spring sideways.

The board-to-board electrical connector is characterized in that the second locking part has elasticity that can spring sideways.

The board-to-board electrical connector is characterized in that: the fixing portion of the female terminal includes a first piece and a second piece that are folded in half and extend longitudinally.

From the above description, it can be seen that the present invention has the following advantages, namely:

(1) The female terminal is electrically connected to the male terminal by bouncing up and down. Because it is not a sideways bouncing method, there is no need to have a sufficient length of the force arm, and the force arm is extended horizontally to have a sufficient length. Therefore, the height of the male and female seats can be designed to be relatively low and still have a good electrical connection effect.

(2) When the seat body is joined to the female seat body, the locking device can be used to lock each other, so that the electrical connection between the male terminal and the female terminal can be ensured.

The above and other objects, advantages and characteristics of the present invention can be more clearly understood from the detailed description of the following preferred embodiments and with reference to the drawings, wherein:

Description of drawings

FIG. 1 is a schematic exploded cross-sectional view of a conventional electrical connector.

FIG. 2 is a schematic cross-sectional view of a conventional electrical connector in use.

Fig. 3 is a cross-sectional exploded view of a preferred embodiment of the present invention.

Fig. 4 is a sectional combined view of a preferred embodiment of the present invention.

Fig. 5 is a perspective view of a female base body in a preferred embodiment of the present invention.

Fig. 6 is a perspective view of the male seat body of the preferred embodiment of the present invention.

Fig. 7 is an exploded perspective view of the second preferred embodiment of the present invention.

Fig. 8 is a perspective view of the locking device of the second preferred embodiment of the present invention when it is fastened.

Fig. 9 is a cross-sectional exploded view of a third preferred embodiment of the present invention.

Fig. 10 is a combined sectional view of the third preferred embodiment of the present invention.

Fig. 11 is an exploded cross-sectional view of a fourth preferred embodiment of the present invention.

Fig. 12 is a combined sectional view of the fourth preferred embodiment of the present invention.

Fig. 13 is a cross-sectional exploded view of a fifth preferred embodiment of the present invention.

Detailed ways

Please refer to Fig. 3, Fig. 4, Fig. 5, the board-to-board electrical connector of the present invention includes: a female seat body 40, a plurality of female terminals 50, a male seat body 70, a plurality of male terminals 80, and a card fixed device, of which:

Please refer to FIG. 5 , a recess 41 is formed in the middle of the female base body 40 , and a plurality of female terminal grooves 42 arranged at intervals are arranged on both sides thereof.

Most of the female terminals 50 are assembled in the female terminal groove 42 of the female base body 40, which are integrally formed with a metal sheet: a fixing part 51, which extends longitudinally and is inserted into the female terminal groove 42 to be tightly fixed; an elastic arm 52, which extends laterally to the concave portion 41 of the female base body 40, which can bounce up and down, and forms a raised contact point 53 at its near end; and a pin portion 54, which extends out of the female base body horizontally 40 away.

Please refer to FIG. 6 , the male base body 70 is assembled in the concave portion 41 of the female base body 40 , and a plurality of male terminal grooves 71 arranged at intervals are arranged on both sides thereof.

Most of the male terminals 80 are assembled in the male terminal groove 71 of the male seat body 70, which is integrally formed with a metal sheet: a fixed part 81, which extends longitudinally and is inserted into the male terminal groove 71 to be tightly fixed; a contact A portion 82 is provided at the lower end of the fixing portion 81 and presses against the contact point 53 of the elastic arm of the female terminal 50 ; and a leg portion 83 is horizontally extended out of the male seat body 70 .

The locking device is located on the male seat body 70 and the female seat body 40, so that the male seat body 70 can be locked with each other when it fits on the female seat body 40. It includes: a female body integrally formed on the female seat body 40 The first clip 44 on the inner side of the terminal groove 42, the first clip 44 has elasticity and can bounce laterally and its upper end is integrally formed with a block 45 protruding inward; and the second clip 45 is integrally formed on the male seat body The locking member 74 , the second locking member 74 is elastic and can spring laterally and has an inclined locking surface 75 on its upper end.

With the above structure, please refer to FIG. 4 , after the male base body 70 is joined to the female base body 40, the contact point 82 of the male terminal 80 presses the contact point 53 of the female terminal 50, so that the spring arm 52 of the female terminal springs downward. At this time, the block 45 on the female base body 40 is clamped on the upper surface of the male base body 70 to form a snap action, so that the electrical connection between the male terminal 80 and the female terminal 50 can be ensured, so that the pin portion of the male terminal 83 is connected to the A circuit board 33, and the pin portion 54 of the female terminal is connected to the B circuit board 34, that is, the A circuit board 33 and the B circuit board 34 are electrically connected.

From the above description, it can be seen that the present invention has the following advantages, namely:

1. The female terminal 50 is electrically connected to the male terminal by bouncing up and down. Because of the non-lateral bouncing method, there is no need to have a force arm of sufficient longitudinal length, and its force arm 52 is horizontally extended to have sufficient length , so the height of the male and female seats can be designed to be lower and still have a good electrical connection effect.

2. When the seat body 70 is engaged with the female seat body 40 , the locking device can be used to lock each other, so that the electrical connection between the male terminal 80 and the female terminal 50 can be ensured.

Please refer to FIG. 7 and FIG. 8, which are the second embodiment of the present invention, wherein the locking device includes a first fastener 90 and a second fastener 95 that can be buckled with each other, and the first fastener 90 is fixed on the female On the seat body 40, the two sides are provided with fixing parts 91 and the fixing holes 46 at both ends of the female seat body 40 are fixed, and a clamping hole 92 is provided in the center of the female seat body 40 to extend out of the female seat through the perforation 47 between the two fixing holes 46 of the female seat body 40. On the body 40, the second fastener 95 is fixed on the male seat body 70, and its two sides are provided with fixing parts 96 to fix with the fixing holes 76 at both ends of the male seat body 70, and a convex circle 97 is provided in the center to be connected with the first buckle. The card hole 92 of the piece 90 is buckled; when the male seat body 70 is engaged on the female seat body 40, the convex circle 97 of the second fastener piece 95 slides into the card hole 92 of the first fastener piece 90, so that the male seat The body 70 is locked with the female seat body 40 .

Please refer to FIG. 9 and FIG. 10, which are the third embodiment of the present invention, wherein the locking device is provided on the male terminal 80 and the female terminal 50, which includes a first clamping member 55 and a second clamping member that can be elastically buckled with each other. The clip 85, the first clip 55 is arranged on the female terminal 50, and it is located on the inner side of the fixing part 51 and has elasticity and can spring sideways. Located on the male terminal, it is provided with a convex portion 86 that protrudes outward, and the convex portion 86 of the second clip 85 is stuck under the convex portion 56 of the first clip 55 to form a buckle effect, so that the male seat body The positioning effect can be achieved when 70 is engaged on the female seat body 40 .

Please refer to Fig. 11 and Fig. 12, which is the fourth embodiment of the present invention, wherein the locking device is provided on the male terminal 80 and the female terminal 50, which is roughly the same as the third embodiment, the difference lies in the first clip 55 Located on the outside of the fixing portion 51 of the female terminal 50, it is provided with a protruding portion 56 protruding outward, and the leg portion 83 of the terminal 80 extends outward, so that the second clamping member 85 can be arranged on the outer side position, it is provided with a protruding portion 86 protruding inward, which can be buckled corresponding to the protruding portion 56 of the first locking member 55 .

The terminals of the above-mentioned embodiments are all designed by blanking and forming. Please refer to Figure 13, which is the fifth embodiment of the present invention, in which the male and female terminals are formed by bending metal sheets, so that it can be manufactured Continuous terminals are arranged according to the intervals at which the terminals are assembled on the base body, wherein the female terminal 50 is formed by bending a metal sheet to form a horizontal pin portion 54, a longitudinal fixing portion 51 and a laterally extending elastic arm 52. The fixing portion 51 It is formed by folding the first piece 57 and the second piece 58. The second piece 58 punches out an elastic card 59 so as to be pressed tightly with the female terminal slot 42; the male terminal 80 is formed by bending a metal sheet to form a horizontal The leg portion 83 , the longitudinal fixing portion 81 and the bent contact portion 82 located at the end of the fixing portion 81 punch out an elastic card 84 so as to be pressed against the male terminal groove 71 .

The specific embodiment proposed in the detailed description of the preferred embodiment is only for the ease of explaining the technical contents of the present invention, but not to limit the present invention to this embodiment in a narrow sense. In fact, the present invention can also be implemented in various changes .

Claims (11)

1. a plate is characterized in that: include the electric connector of plate:

One mother seat body forms a recess in the middle of this mother seat body, this mother seat body one side is provided with most spaced female end pilot trench;

Most female terminals is to be assembled in this mother seat body, and this female terminal is one-body molded with sheet metal, and this female terminal comprises: a fixed part, and it is to be fixed in this female end pilot trench; One elastic arm, this elastic arm extends to the recess of mother seat body, and this elastic arm is not closely held and is formed a contact point; And a pin portion, this pin portion stretches out outside the mother seat body;

One male seat body, it is the recess that is assembled in mother seat body, this male seat body is provided with most spaced male end pilot trench; And

Most male terminals, this male terminal is assembled in the male end pilot trench of this male seat body, and this male terminal is one-body molded with sheet metal, comprising: a fixed part, it is to be fixed in this male end pilot trench; One contact site, this contact site compresses the contact point of the elastic arm of this female terminal; And a pin portion, this pin portion is that to stretch out male seat external; And

One fastening device, this fastening device make this male seat body be engaged in the mutual fastening of mother seat body.

2. plate as claimed in claim 1 is characterized in that the electric connector of plate: the pin portion of this female terminal is level stretches out outside the mother seat body, and the pin portion of this male terminal is level, and to stretch out male seat external.

3. plate as claimed in claim 1 is to the electric connector of plate, it is characterized in that: this fastening device is to be located on male seat body and the mother seat body, this fastening device comprises first fastener and second fastener of Elastic buckle mutually, first fastener is located at mother seat body, its proximal end is provided with the fixture block that a side direction is protruded, this second fastener is located at the male seat body, and its upper end is connected in the fixture block below of first fastener and makes first and second fastener form buckle.

4. plate as claimed in claim 3 is characterized in that the electric connector of plate: this first fastener has elasticity in side direction.

As claim 3 or 4 described plates to the electric connector of plate, it is characterized in that: this second fastener side direction has elasticity, and a card face is established in its upper end.

6. plate as claimed in claim 1 is to the electric connector of plate, it is characterized in that: this fastening device is to be located on male seat body and the mother seat body, it includes first fastener and second fastener of mutual buckle, this first fastener is provided with a hole clipping, and this second fastener is provided with the hole clipping buckle of a dome and first fastener.

7. plate as claimed in claim 6 is characterized in that the electric connector of plate: this first fastener is fixed on the mother seat body, and this second fastener is fixed on the male seat body.

8. plate as claimed in claim 1 is to the electric connector of plate, it is characterized in that: this fastening device is to be located on male terminal and the female terminal, it includes first fastener and second fastener of mutual Elastic buckle, this first fastener is located on this female terminal, this first fastener is provided with the protuberance that a side direction is protruded, this second fastener is located on the male terminal, and this second fastener is provided with the protuberance that a side direction is protruded, and the protuberance of this second fastener is snapped in the protuberance below of first fastener.

9. plate as claimed in claim 8 is characterized in that the electric connector of plate: this first fastener has the elasticity of side direction.

10. plate as claimed in claim 8 is characterized in that the electric connector of plate: this second fastener has the elasticity of side direction.

11. plate as claimed in claim 1 is characterized in that the electric connector of plate: the fixed part of this female terminal comprises that doubling is superimposed and first and second of extending longitudinally.

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