CN201667421U - electrical connector - Google Patents

Abstract

An electrical connector, comprising: a base and at least one row of terminals; each terminal is provided with a contact section and a pin section in a non-integrated manner by a metal plate, the contact section is provided with a contact part and a first fixing part, the first fixing part is fixed with the seat body, the pin section is provided with a second fixing part and a pin part, the second fixing part is fixed with the seat body and is contacted with the first fixing part, and the pin part extends out of the seat body. The utility model discloses an electric connector, its terminal punching press can save material and the terminal equipment is easy, reaches reduction in manufacturing cost's efficiency.

Description

electrical connector

【Technical field】

The utility model relates to an electrical connector, in particular to an electrical connector in which a terminal is not integrally provided with a contact section and a pin section.

【Background technique】

Please refer to Fig. 1 and Fig. 2, it is a kind of existing PCMCIA electric connector, and it is provided with base body 10 and two rows of terminals 20, wherein:

The base body 10 is provided with a main body 11 and two side arms 12 to form a ㄇ shape, the main body 11 is provided with a connecting portion 13, and the two side arms 12 are connected to both sides of the main body 11 and each is provided with a chute 14, the A lower plate 15 is provided below the rear end of the seat body 10 , and the lower plate 15 is provided with four rows of perforations 16 .

The two rows of terminals 20 are arranged on the main body 11. Each terminal 20 is integrally provided with a contact portion 21, a fixing portion 22 and a leg portion 23 from one end to the other end. The contact portion 21 is directly determined by the thickness of the plate. Form a solid linear needle body, the contact portion 21 extends to the connecting portion 13, the fixing portion 22 is fixed to the main body 11 of the seat body, and the pin portion 23 extends out of the seat body 10 through the perforation 15 of the lower plate 15 outside.

Existing constructions have the following disadvantages, namely:

1. The contact part 21 needs a large solid needle body in order to achieve a good electrical connection, so it needs to be stamped and manufactured with a metal plate with a thickness of about 0.5 mm, which consumes a lot of materials.

2. Due to the stamping and manufacturing of 0.5mm metal plate, the material is too thick to make the fixed part of each terminal to connect the material strip into a row of continuous terminals, so when assembling the terminals, it needs to be assembled by an automatic machine, which increases the manufacturing cost .

3. The terminal is assembled by an automatic machine, so the pin portion 23 of the terminal cannot be bent first. It needs to be assembled in a row on the base body 10 and then bent in a row. In this way, the bending process on the base body 10 is relatively difficult. higher, which increases the assembly cost.

【Content of utility model】

The main purpose of the utility model is to provide an electrical connector, the stamping of the terminals can save material and the terminals are easy to assemble, so as to reduce the manufacturing cost.

The secondary purpose of the present invention is to provide an electrical connector, the terminals of which can be firmly fixed on the plastic base to improve the reliability of the product.

To achieve the above purpose, the utility model electrical connector includes: a base and at least one row of terminals; it is characterized in that each terminal is non-integrated with a metal plate with a contact section and a pin section, and the contact section is provided with a contact portion and a first fixing part, the first fixing part is fixed to the seat body, the leg section is provided with a second fixing part and a leg part, the second fixing part is fixed to the seat body and contacts with the first fixing part , the pin protrudes out of the seat body.

The electrical connector is characterized in that: the thickness of the metal plate of the contact section is thicker than that of the pin section.

The electrical connector is characterized in that: the second fixing part and the first fixing part are both horizontal and superimposed on each other, the base body is provided with a connecting part, and the contact part of each terminal is located at the connecting part.

The electrical connector is characterized in that: one of the first and second fixing parts is provided with a protruding point so as to make them contact tightly.

The electrical connector is characterized in that: the first fixing part is provided with a concave part, and the second fixing part is provided with a convex part, and the convex part is pressed against the concave part.

The electrical connector is characterized in that: the first fixing part is provided with a protruding block, and the front end of the second fixing part is provided with two clips to form a clamping opening, and the clips clamp the protruding block.

The electrical connector is characterized in that: the contact portion of the terminal is a solid circular needle body or a square needle body.

The electrical connector is characterized in that: the first fixing part is provided with an electroless plated section, the contact section is connected to a strip at intervals through the electroless plated section, and the second fixing part is provided with an electroless plated section. The section of the electroplating layer, the pin section is firstly arranged at intervals and connected to another strip through the section of the electroless plating layer.

The electrical connector is characterized in that: the contact segments of the same row of terminals have different lengths and the electroless plated section of the first fixing part is at the same position in the Y coordinate of the terminal extending direction.

The electrical connector is characterized in that: the lengths of the contact sections of the terminals in the same row are the same, and the positions of the electroless plated section of the first fixing part are different in the Y-coordinate of the terminal extension direction.

The electrical connector is characterized in that: the seat is provided with a rear cover, and the rear cover is provided with a row of spacers, and the spacers stop behind the electroless plated section of the second fixing part of the two adjacent terminals, The pin portion of each terminal extends through the gap between the two spacers.

The electrical connector is characterized in that: tin material is provided at the contact between the first and second fixing parts, and when the electrical connector is overheated, the tin material can be melted to make the first and second fixing parts fixedly combined.

Described electric connector is characterized in that: it is PCMCIA connector, and the upper and lower ends of the contact part of this terminal are the contact parts of electric connection, and this seat body is provided with a main body and two side arms and forms ㄇ shape, and these two Each side arm is provided with a sliding groove.

The electrical connector is characterized in that: the contact portion of the terminal is bent into a square shape or a circular shape or an approximate circular shape by bending the width of the plate.

From the above description, the utility model can summarize the following advantages:

1. The terminal is not provided with a contact section and a pin section integrally. In this way, the contact section and the pin section can be arranged as a connecting strip according to the terminal spacing, so that electroplating and assembly are relatively simple.

2. Thick and thin terminal design, that is, the contact section is thicker, and the pin section is thinner, so that the material saving effect can be achieved.

3. Since the pin section is stamped and manufactured with 0.2mm metal sheet, the material is easy to punch and bend, so the two sides of the rear end of the second fixed part of each pin section can be provided with an electroless plated section connecting the strip to form a whole row The continuous terminals are easier to assemble, and the pins can be bent and then assembled to the main body in a row, so that the assembly is simple, the production efficiency is improved and the assembly cost is reduced.

4. The spacer of the back cover stops behind the electroless plated section of the second fixing part of two adjacent terminals, so the terminals are more firmly positioned on the main body.

The above and other objectives, advantages and features of the present invention 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 side sectional view of a conventional electrical connector.

Fig. 3 is a three-dimensional exploded view of the first embodiment of the present invention.

Fig. 4 is a three-dimensional combined view of the first embodiment of the utility model.

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

Fig. 6 is a three-dimensional exploded view of the terminal of the first embodiment of the present invention.

Fig. 7 is a three-dimensional assembled view of the terminals of the first embodiment of the present invention.

Fig. 8 is a three-dimensional assembled view of the terminals of the first embodiment of the present invention.

Fig. 9 is a perspective view of terminals coated with solder paste in the first embodiment of the present invention.

Fig. 10 is a perspective view of a row of connecting strips of contact sections according to the first embodiment of the present invention.

FIG. 11 is a perspective view of a row of connecting material strips for the pin sections according to the first embodiment of the present invention.

Fig. 12 is a top sectional view of the first embodiment of the utility model.

Fig. 13 is a top sectional view of the second embodiment of the present invention.

Fig. 14 is a three-dimensional exploded view of the terminal of the third embodiment of the present invention.

Fig. 15 is a combined side view of the terminal of the third embodiment of the present invention.

Fig. 16 is a three-dimensional exploded view of the terminal of the fourth embodiment of the present invention.

Fig. 17 is a sectional view of the contact portion of the terminal according to the fourth embodiment of the present invention. 

Fig. 18 is a three-dimensional exploded view of the terminal of the fifth embodiment of the present invention.

Fig. 19 is a sectional view of the contact portion of the terminal according to the fifth embodiment of the present invention.

Fig. 20 is a sectional view of the contact portion of the terminal according to the sixth embodiment of the present invention.

Seat body 30 Main body 31 Side arm 32 Connection part 33

Chute 34 Lower plate 35 Perforation 36 Back cover 38 Hook 39

spacer 310 contact section 40 contact part 41 first fixing part 42 bump 43

Recess 44 Electroless plated section 45 Convex point 46 Pin section 50 Second fixation

Part 51 Foot part 52 Clip 53 Clip 54 Electroless plated section 55

Protrusion 56

Strip 60 Strip 62 Solder paste 67

【Detailed ways】

See also Fig. 3, Fig. 4 and Fig. 5, be the first embodiment of the present utility model, it is a kind of PCMCIA connector, and it comprises base body 30, two rows of terminals and a rear cover 50, wherein:

The seat body 30 is provided with a main body 31 and two side arms 32 to form a ㄇ shape. The main body 31 is provided with a connecting portion 33 and two rows of terminal fixing grooves 37. The two side arms 32 are connected to both sides of the main body and each has a The chute 34 is provided with a lower plate 35 under the rear end of the seat body 30 , and the lower plate 35 is provided with four rows of perforations 36 .

Please refer to Fig. 6, Fig. 7 and Fig. 8, the two rows of terminals are arranged on the main body 31, and each terminal is not integrally provided with a contact section 40 and a pin section 50; the contact section 40 is provided with a contact portion 41 And a first fixing part 42, the contact part 41 is a solid circular linear needle body, which extends to the connecting part 33, and its upper and lower ends are contact parts for electrical connection, the first fixing part 42 and the seat body The main body 31 is fixed, and a bump 43 is provided on it, and a notch 44 and two electroless plated sections 45 are provided at the rear end; the pin section 50 is provided with a second fixing part 51 and a pin part 52, the second fixing The part 51 is fixed to the main body 31 of the seat body and is in contact with the first fixing part 51. The front end of the second fixing part 51 is provided with two clamping pieces 53 to form a clamping opening 54, and the rear end of the clamping piece 53 is stamped with a The convex part 56 protruding from the bottom, the second fixing part 51 and the first fixing part 41 are all horizontal and overlapped up and down, the clip 53 clamps the convex block 43, and the convex part 56 and the notch 44 are forced Tight, the rear end of the second fixing part 51 is connected to the pin part 52 in the middle, and an electroless plated section 55 is provided on each side. Pack into a cylindrical shape.

In addition, the contact portion 41 can also be a solid square linear needle. 

In terms of manufacturing, please refer to FIG. 10 , the contact section 40 is stamped from a metal plate with a thickness of about 0.5 mm, so as to form the diameter of the solid linear needle body required by the contact portion 41 , because the contact section 40 does not contain pins Therefore, the overall length is not long. Although it is formed by punching 0.5mm sheet metal as in the prior art, the cost of materials is less and the rear end can be connected with a strip to form a row of contact segments 40. When the entire row of contact segments 40 are electroplated and When the whole row is assembled on the base body 30 , the strip 60 is broken, and the rear end of the contact section 40 forms the electroless plated section 45 .

Please refer to FIG. 11 , the pin section 50 is stamped from a metal plate with a thickness of about 0.2mm, and the electroless plated section 55 is originally connected with a strip 62 to form a row of pin sections 50 , and the entire row of pin sections 50 Together with the electroplating of the material strip, the entire row of terminals is assembled on the main body 31 of the base body by bending the leg portion 52 first, and then breaking the material strip 60 after assembly, so the electroless plated section 44 has no electroplated layer.

In assembly, the row of contact sections 40 is firstly installed into the main body 31 , and then the row of pin sections 50 is installed into the main body 31 and stacked on the row of contact sections 40 .

The rear cover 38 is located at the rear end of the base body 30, and is provided with a hook 39 and a row of spacers 310. The hook 39 is hooked at the rear end of the main body 31, and the spacers 310 stop at the two adjacent Behind the electroless plated section 55 of the leg section 50 of the terminal, the leg portion 52 of each terminal extends through the gap between the two spacers 310 , so that the positioning of each terminal 40 on the main body 31 is more stable.

Please refer to FIG. 12 , the protruding positions of the contact portions 41 of the two rows of terminals of the PCMCIA connector are different in length. The positions of the Y coordinates are the same, that is, the pressing depths of the entire row of contact segments 40 are consistent during assembly.

Please refer to Fig. 9, wherein the notch 44 of the first fixed part 42 of the contact section 40 can be coated with solder paste 67, and the solder paste 67 can be melted when the electrical connector is overheated to make the first and second fixed parts 42 and 51 are fixedly combined, so as to further ensure that the contact section 40 and the pin section 50 are assembled on the main body 31 to be electrically connected.

From the above description, the utility model can summarize the following advantages:

1. The terminal is not integrally provided with the contact section 40 and the pin section 50, so that the contact section 40 and the pin section 50 can be arranged as a connecting strip according to the distance between the terminals, so that the electroplating and assembly are relatively simple.

2. Thick and thin terminal design, that is, the contact section is thicker, and the pin section is thinner, so that the material saving effect can be achieved.

3. Since the pin section 50 is stamped and manufactured with 0.2mm metal sheet, the material is easy to punch and bend, so the two sides of the rear end of the second fixing part 51 of each pin section 50 can be provided with an electroless plated section 55 and a connecting material strip 62 A whole row of continuous terminals is formed, which is easier to assemble. The pin portion 52 can be bent at 90 degrees and then assembled to the main body 31 in a row, so as to achieve easy assembly, improve production efficiency and reduce assembly cost.

4. The spacer 310 of the rear cover 38 stops behind the electroless plated section 55 of the second fixing portion 51 of two adjacent terminals, so the terminals are more firmly positioned on the main body 31 .

Please refer to Fig. 13, it is the second embodiment of the present utility model, and it is roughly the same as the first embodiment, and its difference is that the length of the contact segment 40 of the terminal of the same row of this embodiment is consistent and the section 45 of the electroless plating layer extends on the terminal. The positions of the Y coordinates in the direction are different, that is, the pressing depths of the entire row of contact segments 40 are different during assembly.

Please refer to Fig. 14 and Fig. 15, which is the third embodiment of the present utility model, which is roughly the same as the first embodiment, the difference is that the first fixing part 42 of the contact section 40 of this embodiment is provided with a bump 46 and the The concave portion 44 is formed by punching the rear plate of the first fixing portion 51 downward. The concave portion 44 has a bottom surface. A protrusion 56 is punched down.

The row of contact segments 40 are first loaded into the main body 31, and then the row of pin segments 50 are loaded into the main body 31 and superimposed on the row of contact segments 40. The front sections of the first and second fixing parts 42, 51 are The protruding points 46 are pressed against each other, and the rear section is pressed against each other by the concave portion 44 and the convex portion 56 .

Please refer to Fig. 16 and Fig. 17, which is the fourth embodiment of the present utility model, which is roughly the same as the third embodiment, the difference is that the contact section 40 of this embodiment is made by stamping a 0.25mm metal plate, and the contact part 41 is then Bending the board width into a square shape with three boards and one board thickness.

Please refer to Fig. 18 and Fig. 19, which is the fifth embodiment of the present utility model, which is roughly the same as the fourth embodiment, the difference is that the contact portion 41 of the contact section 40 of this embodiment is bent and wrapped into a circular shape with the width of the plate .

Please refer to Figure 20, which is the sixth embodiment of the present utility model, which is roughly the same as the fourth embodiment, the difference is that the contact portion 41 of the contact section 40 of this embodiment is bent and wrapped into an approximately circular shape by the width of the plate, that is The shape is between the fourth and fifth embodiments.

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 (14)

1. An electrical connector, comprising: a base and at least one row of terminals; it is characterized in that: each terminal is non-integrated with a metal plate to be provided with a contact section and a pin section, and the contact section is provided with a contact portion and a a first fixing part, the first fixing part is fixed with the seat body, the leg section is provided with a second fixing part and a leg part, the second fixing part is fixed with the seat body and contacts with the first fixing part, the The connecting feet extend out of the seat body. 2. The electrical connector as claimed in claim 1, wherein the thickness of the metal plate of the contact section is thicker than that of the pin section. 3. The electrical connector according to claim 1, wherein the second fixing portion and the first fixing portion are horizontal and overlap each other, the base body is provided with a connecting portion, and the contact portion of each terminal located at this connection. 4. The electrical connector as claimed in claim 3, wherein one of the first and second fixing parts is provided with a protruding point so as to make them contact tightly. 5. The electrical connector as claimed in claim 3, wherein the first fixing portion has a concave portion, the second fixing portion has a convex portion, and the convex portion is pressed against the concave portion. 6. The electrical connector according to claim 3, characterized in that: the first fixing part is provided with a protrusion, and the front end of the second fixing part is provided with two clips to form a clamping mouth, and the clips clamp the bump. 7. The electrical connector according to claim 1, wherein the contact portion of the terminal is a solid circular pin or a square pin. 8. The electrical connector according to claim 1, wherein the first fixing portion is provided with an electroless plated cross section, and the contact section is connected to a strip at intervals through the electroless plated cross section, the first The two fixing parts are provided with an electroless plated section, and the pin section is connected to the other strip at intervals through the electroless plated section. 9 . The electrical connector as claimed in claim 8 , wherein the contact sections of the terminals in the same row have different lengths and the electroless plated section of the first fixing portion is at the same position on the Y coordinate of the terminal extending direction. 10 . 10 . The electrical connector as claimed in claim 8 , wherein the lengths of the contact sections of the terminals in the same row are the same, and the positions of the electroless plated section of the first fixing part are different in the Y-coordinate of the extending direction of the terminals. 11 . the 11. The electrical connector according to claim 8, wherein the base body is provided with a rear cover, and the rear cover is provided with a row of spacers, and the spacers are stopped by the second fixing parts of two adjacent terminals. After the electroless plating layer is sectioned, the pin portion of each terminal extends through the gap between the two spacers. 12. The electrical connector according to claim 1, characterized in that: tin material is provided at the contact between the first and second fixing parts, and when the electrical connector is overheated, the tin material can be melted to make the first and second fixing parts The two fixing parts are fixedly combined. 13. The electrical connector as claimed in claim 1, characterized in that: it is a PCMCIA connector, the upper and lower ends of the contact portion of the terminal are contact parts for electrical connection, and the seat body is provided with a main body and two side arms. In the shape of ㄇ, the arms on both sides are provided with slide grooves. 14. The electrical connector as claimed in claim 1, wherein the contact portion of the terminal is bent into a square shape or a round shape by bending the width of the board. the

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