CN207320367U - Board connector and its terminal group - Google Patents

Abstract

The utility model discloses a board end connector and a terminal group thereof, the board end connector comprises a board end insulator, a terminal group and two positioning pieces, the board end insulator forms a board end butt joint part butt jointed with a butt joint connector on the front side, and a board end terminal installation part is arranged on the relative rear side, a left side terminal groove, a middle terminal groove and a right side terminal groove of the terminal groove group penetrate to the board end butt joint part from the board end terminal installation part, the left side terminal group, the middle terminal group and the right side terminal group arranged on the terminal group are correspondingly accommodated in the left side terminal groove, the middle terminal groove and the right side terminal groove, two sides of the base parts of the left side terminal group, the middle terminal group and the right side terminal group are bent to form a side plate, and a suspension elastic arm obliquely stretches out forwards and inwards to clamp a preset butt joint terminal, so that the conductive path for signals and current can be arranged according to the set terminal group, the effective utilization of space and material is achieved, and the effects of transmission efficiency and stability are improved.

Description

Board connector and its terminal group

technical field

The utility model relates to the technical field of electrical connector products, in particular to a board end connector and a terminal group thereof for electrical connection of electronic products.

Background technique

In recent years, with the miniaturization and high density of portable electronic devices, also with the rise of portable electronic devices, such as in the limited internal space of mobile phones or tablets, how to apply limited space and adapt to miniaturization by changing the demand .

Specifically, as far as the board end connector is connected with the preset cable connector, it can be divided into a terminal for power connection and a terminal for signal connection, which correspond to a cable for power connection and a cable for signal connection respectively. Most of the terminals are set in the same size as in the conventional technology, and the size of the terminal groove of the connector is also set correspondingly to the terminals. Setting in this way for transmission, in terms of the effective space utilization of the connector, the design of the transmission efficiency and the effective use of space are limited by the terminal setting of the same size, which directly affects the utilization rate of conductive transmission, and may indirectly cause overheating influence.

The terminal group of the traditional connector uses local punching and shearing to form the guide part at the suspended elastic arm, so that the upward wall edge is destroyed to form an outward involute guide surface, but the punching and shearing method is caused by the miniaturization of the terminal. The production yield rate is not good and there are great difficulties in manufacturing.

Therefore, how to solve the aforementioned defects is the direction that relevant manufacturers in the industry want to study and improve.

Utility model content

The technical problem to be solved by the utility model is to provide a board end connector and its terminal group with more reasonable space utilization, higher transmission efficiency, higher reliability, higher manufacturing yield and higher terminal strength. .

In order to solve the above technical problems, the utility model adopts the following technical solution: a board end connector, comprising a board end insulator, a terminal group and two positioning parts, characterized in that: the board end insulator is formed on the front side with a A board-end docking part for the butt joint of the preset butt connector, and a board-end terminal installation part is provided on the opposite rear side, and a terminal slot set provided by the board-end insulator includes a left terminal slot, a middle terminal slot and a right side terminal slot, and the terminal slot group runs through the board end terminal installation part to the board end docking part, and the left terminal group, middle terminal group and right terminal group of the terminal group are correspondingly stored in the left terminal slot, middle terminal slot and In the terminal slot on the right side; one side plate is bent on both sides of the base of the left terminal group, the middle terminal group and the right terminal group, and a suspended elastic arm protrudes obliquely from the two side plates forward and inward. It is used to clamp a preset butt joint terminal, and a welding part is provided at the rear part of the base. The two side walls of the plate end insulator are respectively provided with a positioning part, and two positioning parts are arranged at the positioning part. The positioning part is provided with a The locking portion is used for positioning the preset docking connector.

Further, a clamping portion is provided on the upper edges of the two side plates of the terminal group.

Further, the left terminal group and the right terminal group of the terminal group are respectively provided with a preferred first spacing X between the two side plates, and the middle terminal group is provided with a preferred second spacing Y, wherein the left The first distance X between the side terminal group and the right terminal group is larger than the second distance Y between the middle terminal group.

Furthermore, the clamping parts bent inward at the front ends of the two suspended elastic arms of the left terminal group, the middle terminal group and the right terminal group of the terminal group can clamp a preset docking terminal between the clamping parts.

Further, a stop portion protrudes outward from the rear outer surface of the board end insulator.

Further, the positioning part provided on the two side walls of the board end connector is composed of an inserting part, a side fixing part and a main body part, wherein: the inserting part is inserted into the stop part of the board end insulator, The side fixing part is fixed on the stop part of the plate end insulator facing inwards and downwards. The main body is connected with the insertion fixing part and the side fixing part. Solder feet.

Preferably, the locking portion provided on the main body is inwardly concave or outwardly convex.

Further, for the terminals of the left terminal group, the middle terminal group, and the right terminal group of the terminal group, there is a better spacing W between the side plates of each terminal, and the left terminal slot of the board end connector, the middle A partition wall width T is respectively provided between the terminals of the terminal groove and the terminal groove on the right side, and the spacing W is greater than or equal to the width T of the partition wall.

Preferably, for the terminals of the left terminal group, the middle terminal group and the right terminal group, a preferred interval W is provided between the side plates of the terminals, and the interval W between the terminals is equal.

A terminal group applied to the above-mentioned board-end connector, which is formed by punching a metal sheet, and is accommodated in the terminal groove group of the board-side insulator of the board-end connector. The terminal of the terminal group has a base and a connecting base. The suspended elastic arm and a welded portion connected to the base are characterized in that: the two sides of the base are respectively provided with side plates, and the front end of the suspended elastic arm extended forward by the side plate is bent inward with a clamping portion, A structure for clamping a preset butt joint terminal is formed between the clamping parts.

Further, the upper edge of the side plate of the terminals of the terminal group is provided with a stabbing portion.

Furthermore, two suspended elastic arms extend forward from the side plate, and the front ends of the suspended elastic arms are stamped and bent toward each other without damage to form a clamping portion deformed inward and a guide portion extended upwards and outwards. The thickness G of the guide plate is smaller than the thickness M of the suspended elastic arm plate.

The utility model distinguishes the signal terminal group from the power supply terminal group by adjusting the power supply and transmission terminals of the terminal groups with different array sizes and the cables with corresponding thickness, so that each transmission efficiency and terminal group are on the board end. The design and placement in the insulator of the connector can be used more effectively; while the board-end connector is equipped with a terminal group, the side plate of the terminal group extends forward with two suspended elastic arms, and the front ends of the suspended elastic arms are stamped towards each other without damage The clamping part deformed inward and the guide part extending upwards and outwards are integrally bent to form the terminal of the clamping part and the guide part in a non-destructive manner, which improves the manufacturing yield and the strength of the terminal.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is a three-dimensional appearance view of another angle of the utility model;

Fig. 3 is a three-dimensional exploded structure diagram of the board end connector of the present invention;

Figure 4 is a schematic diagram of the rear side of the board end connector of the present invention;

Fig. 5 is a three-dimensional schematic diagram of a terminal of the present invention;

Fig. 6 is a schematic top view of the terminal of the present invention;

Fig. 7 is a schematic structural view cut along line A-A in Fig. 6;

Fig. 8 is a schematic diagram of the structure cut along line B-B in Fig. 6;

Fig. 9 is a schematic diagram of the structure cut along line C-C in Fig. 6;

Fig. 10 is a top view schematic diagram of the insertion side of the terminal of the present invention and the preset docking terminal.

In the figure, 1. Board connector

11. Board end insulator

111. Board end docking part

112. Board terminal installation part

113. Terminal slot group

1131. Left terminal slot

1132. Intermediate terminal slot

1133. Right terminal slot

114. Grooving

115, side wall

116. Positioning Department

117. Stop part

12. Terminal group

121. Left terminal group

1211. Terminal

122. Intermediate terminal group

1221. Terminal

123. Right terminal group

1231. Terminal

124, side panel

1241. Carding Department

125. Suspension spring arm

1251. Clamping part

1252. Guidance Department

126. Welding department

127. Base

13. Positioning parts

131. Inserting part

132. Lateral solid part

133. Main Department

1331. Lock Department

1332. Welding feet

2. Default docking connector

21. Default docking terminal

M. Thickness of suspended spring arm plate

G. The thickness of the guide part

T, partition wall width

W, spacing

X, the first distance

Y, the second distance

Detailed ways

Below in conjunction with specific embodiment the utility model is described further.

In this embodiment, referring to Fig. 1-Fig. 9, the board end connector 1 includes:

A board end insulator 11, the board end insulator 11 is formed with a board end docking portion 111 docked with the preset docking connector (not shown in the figure) on the front side, and a board end terminal mounting portion 112 is provided on the opposite rear side , and the left terminal slot 1131, the middle terminal slot 1132 and the right terminal slot 1133 of the terminal slot group 113 pass through the board end terminal installation part 112 through the board end butt joint part 111, and the board end butt joint part 111 of the board end insulator 11 is set There are a plurality of split slots 114 running through the corresponding left terminal slots 1131, middle terminal slots 1132 and right terminal slots 1133. Two side walls 115 of the board end insulator 11 are respectively provided with a positioning part 116 for the positioning of the positioning member 13. A stop portion 117 protrudes outward from the rear outer surface of the plate end insulator 11 .

A terminal group 12, which is correspondingly accommodated in the terminal slot group 113, wherein the terminals 1211 of the left terminal group 121, the terminals 1221 of the middle terminal group 122, and the terminal groups 1231 of the right terminal group 123 are bent on two front sides of each base 127 There are side plates 124, and a suspended elastic arm 125 protrudes obliquely inwardly from the front parts of the two side plates 124, a welding part 126 is provided at the rear part of the base part 127, and a stab part 1241 is provided on the upper edge of the side plates 124.

Two positioning parts 13 are positioned on the positioning part 116. The positioning part 13 is composed of an inserting part 131, a side fixing part 132 and a main body part 133, wherein: the inserting part 131 is inserted into the stopper of the plate end insulator 11. The stop part 117, and the side fixing part 132 faces inward and then downwards to fix the positioning part 116 of the plate end insulator 11. The main body part 133 is connected with the insertion part 131 and the side fixing part 132. The main part 133 is provided with a locking part 1331 , the locking portion 1331 is inwardly recessed, and two welding feet 1332 protrude from the bottom of the main body 133 .

Referring to Fig. 1 to Fig. 6 and Fig. 10, it can be clearly seen from the figures that before the board end connector 1 is assembled, the terminal group 113 of the board end connector 1 is placed into the board end terminal slot by the board end terminal mounting part 112 In 113, the stabbing part 1241 set on the side plate 124 of the terminals 1211, 1221, 1231 of the terminal group 12 enters the inner wall of the upper side of the terminal groove group 113 to interfere and fix to form a positioning, and the side plates 124 of the terminals 1211, 1221, 1231 are suspended springs The arms 125 are respectively located at the front section of the left terminal slot 1131, the middle terminal slot 1132, and the left terminal slot 1133 of the terminal slot group 113 adjacent to the cut slot 114. 132 moves along the side wall 115 to the positioning portion 116 and then stops, and the inserting portion 131 is inserted into the stop portion 119 to limit the position.

The left terminal group 121 and the right terminal group 123 of the terminal group 12 are respectively provided with a preferred first distance X between the two side plates 124, and the middle terminal group 122 is provided with a preferred second distance Y, wherein The first distance X between the left terminal group 121 and the right terminal group 123 is greater than the second distance Y between the middle terminal group 122, through the left, middle and right terminal groups 121, 122, 123 of the terminal group 12 It is composed of terminals 1211, 1221, 1231 with different pitches of the side plates 124. By adjusting the width, the pitch of the side plates 124 of the terminals 1211, 1221, 1231 is changed, so that the board end connector 1 can connect the power supply terminals and communication terminals. Use terminals to distinguish the widths between the side plates of the terminals 1211, 1221, and 1231, but the terminals 1211, 1221, 1221, A better clamping portion 1251 is provided between the two suspended elastic arms 125 of 1231, which is connected with the preset docking terminal 21 of the preset docking connector 2 and penetrates the slot 114 of the board end docking portion 111, so that the conduction Efficiency and space configuration achieve better structure and utilization, and also avoid the problem of overheating due to the space configuration design of the power supply terminals, which leads to too small space and cannot use suitable terminals to transmit current.

The terminals 1211, 1221, 1231 of the left terminal group 121, the middle terminal group 122 and the right terminal group 123 of the terminal group, the side plates 124 of the terminals 1211, 1221, 1231 and the side plates 124 of the terminals 1211, 1221, 1231 There is a better interval W between them, and the left terminal slot 1131, the middle terminal slot 1132 and the right terminal slot 1133 of the board connector 1 are provided with a partition wall width T, and the interval W is greater than or equal to the partition wall width T , the intervals W between the terminals 1211, 1221, 1231 are substantially equal.

Referring to Fig. 3, Fig. 5 to Fig. 10, it can be clearly seen from the figures that the terminal group 12 is formed by punching a metal sheet, and is accommodated in the terminal groove group 113 of the board end insulator 11 of the board end connector 1. The terminals 1211, 1221, and 1231 of the terminal group 12 have a base 127, a clamping portion 1251 connected to the suspended elastic arm 125 of the base 127, and a welding portion 126 connected to the base 127; two sides of the base 127 are respectively provided with The side plate 124 has a suspended elastic arm 125 extending forward from the side plate 124 , and a clamping portion 1251 bent inward at the front end of the suspended elastic arm 125 , and the clamping portion 1251 clamps a preset docking terminal 21 .

The upper edge of the side plate 124 is provided with a stab portion 1241, and the side plate 124 has two suspended elastic arms 125 extending forward. The clamping portion 1251 and a guiding portion 1252 extending upward and outward, the guiding portion 1252 is funnel-shaped for guiding the preset docking terminal 21 , when the guiding portion 1252 is pushed by the preset docking terminal 21 The two suspended elastic arms 125 are elastically deformed and stretched to squeeze the preset docking terminal 21 to form a conduction, and the thickness G of the guide part is smaller than the thickness M of the suspended elastic arm plate, and the guide part 1252 is formed by bending without damage due to stamping, and It is connected with the suspended elastic arm 125 to form a stronger structure and improve the overall strength.

The utility model has been described in detail above. The above description is only a preferred embodiment of the utility model. When it cannot limit the scope of the utility model, all equivalent changes and modifications made according to the scope of the application should be Still belong to the scope covered by the present utility model.

Claims (12)

1. A board end connector, comprising a board end insulator, a terminal group and two positioning parts, characterized in that: the board end insulator is formed on the front side with a board end docking portion that is docked with a preset docking connector , and the opposite rear side is provided with a board end terminal mounting part, and a terminal groove group provided by the board end insulator includes a left terminal groove, a middle terminal groove and a right terminal groove, and the terminal groove group is composed of the board end terminal The installation part penetrates to the butt joint of the board end, and the left terminal group, the middle terminal group and the right terminal group of the terminal group are correspondingly stored in the left terminal slot, the middle terminal slot and the right terminal slot; the left terminal A side plate is bent on both sides of the base of the terminal group, the middle terminal group and the right terminal group, and a suspended elastic arm protrudes obliquely from the two side plates forward and inward to clamp a preset docking terminal, and There is a welding part at the rear of the base, and a positioning part is respectively provided on the two side walls of the plate end insulator, and two positioning parts are arranged at the positioning part, and the positioning part is provided with a locking part for positioning of the preset docking connector . 2 . The board end connector according to claim 1 , wherein a locking portion is provided on the upper edges of the two side boards of the terminal group. 3 . 3. The board end connector according to claim 1, characterized in that: the left terminal group and the right terminal group of the terminal group are respectively provided with a preferred first distance X between the two side boards, and The middle terminal group has a preferred second distance Y, wherein the first distance X between the left terminal group and the right terminal group is greater than the second distance Y between the middle terminal group. 4. The board end connector according to any one of claims 1-3, characterized in that: the front ends of the two suspended elastic arms of the left terminal group, the middle terminal group and the right terminal group of the terminal group are bent inward The clamping parts can clamp a preset butt joint terminal between the clamping parts. 5 . The board end connector according to claim 4 , wherein a stop portion protrudes outward from the rear outer surface of the board end insulator. 6 . 6. The board end connector according to claim 5, characterized in that: the positioning parts provided on the two side walls of the board end connector are composed of an inserting part, a side fixing part and a main part, wherein : The inserting part is inserted into the stop part of the board end insulator, and the side part is fixed inwardly and downwards at the stop part of the board end insulator, the main part is connected with the inserting part and the side part, the main part There is a locking part on the top, and there are two welding feet protruding from the bottom of the main part. 7 . The board end connector according to claim 5 , wherein the locking portion on the main body is concave inward or convex outward. 8 . 8. The board end connector according to claim 1, characterized in that: for the terminals of the left terminal group, the middle terminal group and the right terminal group of the terminal group, there is a better interval between the side plates of each terminal The spacing W is W, and a partition wall width T is provided between the terminals of the left terminal slot, the middle terminal slot and the right terminal slot of the board connector, and the spacing W is greater than or equal to the partition wall width T. 9. The board end connector according to claim 2, characterized in that: for the terminals of the left terminal group, the middle terminal group and the right terminal group, there is a better interval W between the side plates of each terminal, each of which The distance W between the terminals is equal. 10. A terminal group applied to the board end connector according to claim 1, which is formed by punching a metal sheet, and is accommodated in the terminal groove group of the board end insulator of the board end connector, and the terminals of the terminal group have A base, a suspended elastic arm connected to the base, and a welded portion connected to the base, characterized in that: the two sides of the base are respectively provided with side plates, and the front end of the suspended elastic arm extended forward by the side plate faces inward A clamping part is bent, and a structure for clamping a preset butt joint terminal is formed between the clamping parts. 11 . The terminal set according to claim 10 , wherein a sticking portion is provided on an upper edge of a side plate of the terminal of the terminal set. 11 . 12. The terminal group according to claim 10, characterized in that: the side plate has two suspended elastic arms extending forward, and the front ends of the suspended elastic arms are stamped and bent toward each other without damage to form a clamping part deformed inward and a clamping part facing inward. There is a guide part extending outward, and the thickness G of the guide part plate is smaller than the thickness M of the suspended elastic arm plate.