CN204516948U - Electrical Connector Terminal Set - Google Patents

Abstract

The utility model discloses an electrical connector terminal group, which is used to be fixed on the insulating body of the electrical connector. The electrical connector terminal group includes a plurality of conductive terminals, and the conductive terminals include a head and a tail connected to the head. , the tail portion includes a main body and a blanking portion extending from the main body to the head, the blanking portion and the head form a vertically symmetrical or asymmetrical clamping structure for matching with the docking connector, A stepped bent portion is provided between the head and the main body of the tail so that the main body of the tail is located between the clamping structures in the vertical direction. Such setting can prolong the service life, reduce product impedance, improve product performance, simplify product structure, reduce process difficulty, improve product stability, shorten product manufacturing process, and reduce product cost.

Description

Electrical Connector Terminal Set

technical field

The utility model relates to an electrical connector terminal group, in particular to an electrical connector terminal group with a clamping and fitting structure.

Background technique

For the prior art related to this utility model, please refer to an electrical connector disclosed in Chinese Utility Model Patent Announcement No. CN204030066U published on December 17, 2014. The electrical connector includes a metal shielding shell, an insulating body, an upper A row of conductive terminals and a lower row of conductive terminals. The metal shielding shell is covered on the outside of the insulating body. The front end of the insulating body has a docking port. It also has a top wall, a bottom wall, and two side walls between the top wall and the bottom wall. The upper row of conductive terminals and the lower row of conductive terminals are respectively installed on the top wall and bottom wall of the insulating body to form a docking connection. In the clamping and fitting structure of the connector, the upper row of conductive terminals includes twelve conductive terminals, and the lower row of conductive terminals also includes twelve conductive terminals. The electrical connector terminals adopt a two-row structure up and down, and the tail can be connected as a path by soldering a PCB or by a line.

However, the number of electrical connector terminals is large, the product structure is complex, the process is difficult, the production process is long, the quality is difficult to control, and the cost is high; the tails are connected together by welding, the product impedance is large, and the heat dissipation effect is poor.

Therefore, it is necessary to improve the existing technology to overcome the above defects.

Utility model content

The purpose of the utility model is to provide an electric connector terminal group with simple structure and easy manufacture.

The purpose of this utility model is achieved through the following technical solutions: an electrical connector terminal group, which is used to hold on the insulating body of the electrical connector, the electrical connector terminal group includes several conductive terminals, and the conductive terminals include The head and the tail connected to the head, the tail includes a main body and a blanking portion extending from the main body to the head, the blanking portion and the head form a vertically symmetrical or asymmetrical connection The clamping structure matched with the connector, a stepped bent part is provided between the head and the main body of the tail so that the main body of the tail is located between the clamping structures in the up-down direction.

As a further improvement of the present utility model, the head is provided with a first horizontal portion extending horizontally, and the blanking portion includes a vertical portion bent and extended downward from the rear end of the head, and a vertical portion extending forward from the vertical portion. The second horizontal part is bent and extended, the first horizontal part and the second horizontal part are symmetrical to each other in the vertical direction, and the tail part is sandwiched between the first horizontal part and the second horizontal part in the vertical direction .

As a further improvement of the utility model, the front ends of the first horizontal part and the second horizontal part are provided with protruding clamping parts close to each other, and the clamping parts are provided with contacts for electrically connecting the docking connectors .

As a further improvement of the utility model, the blanking part is a side blanking part located at the side of the main body and further extending and bending from the head.

As a further improvement of the utility model, the blanking part is a single-sided blanking part located on one side of the main body and further extended and bent from the head, or a double-sided blanking part located on both sides of the main body and further extended and bent from the head Cutting department.

As a further improvement of the utility model, the cutting part is a piercing cutting part which is located in the middle of the main body and further extends and bends from the head.

As a further improvement of the present invention, the main body of the tail is used to connect the material strip backwards, and the rear ends of the main body of the tail of the electrical connector terminal group are flush and located on the same horizontal plane.

As a further improvement of the utility model, the electrical connector terminal set includes several contacts located on the blanking part and the head, the contacts include a first row of contacts and a second row of contacts, the first The row of contacts sequentially includes a first ground contact, a first power contact, a signal sending contact, a signal receiving contact, a first detection contact, a second power contact and a second ground contact, and the second The row of contacts sequentially includes a third ground contact, a third power contact, a second detection contact, a fourth power contact and a fourth ground contact, the first ground contact and the third ground contact The heads face up and down, the first power contact and the third power contact face up and down, the second ground contact and the fourth ground contact face up and down, and the second power contact and the The fourth power contact is opposite up and down, the first detection contact and the second detection contact are distributed on both sides of the signal sending contact and the signal receiving contact in the left and right directions, and the first row of contacts are on the left and right In the direction, there is a gap of two contacts between the first ground contact and the first power contact, a gap of one contact between the first power contact and the signal transmitting contact, and the first contact There are two gaps between the second power contact and the second ground contact; the second row of contacts is in the left and right direction, and two gaps are left between the third ground contact and the third power contact. The gap between the contacts, the gap of three contacts is vacant between the second detection contact and the fourth power contact, and the gap of two contacts is vacant between the fourth power contact and the fourth ground contact. gap.

As a further improvement of the utility model, the main body of the tail is straight and horizontally extending backward from the head.

As a further improvement of the utility model, the electrical connector terminal group is a USB Type C or FPC electrical connector terminal group.

Compared with the prior art, the electrical connector terminals of the electrical connector terminal group of the utility model adopt the method of piercing, unilateral or bilateral blanking, and the terminal tail material is reversely bent in the direction of the head, and the head is A clamping structure that is symmetrical or asymmetrical up and down is formed, and a stepped bent portion is provided between the head and the main body of the tail so that the main body of the tail is located between the clamping structures in the up and down direction, so that the The shape of the terminal group of the electrical connector is relatively symmetrical in the up and down direction. When the butt connector is plugged in, the terminal group of the electrical connector is relatively uniformly stressed, and it is not easy to bend downward or downward, thereby prolonging the electrical connection. The service life of the device terminal group. Moreover, the electrical connector terminal group forms a rotary multi-contact high-density small-pitch terminal group structure, which can reduce product impedance, improve product performance, simplify product structure, reduce process difficulty, improve product stability, shorten product manufacturing process, and reduce Product Cost.

Description of drawings

FIG. 1 is a three-dimensional schematic view of the terminal group of the electrical connector of the present invention.

FIG. 2 is a schematic perspective view from another angle in FIG. 1 .

Fig. 3 is a side view of the terminal group of the electrical connector of the present invention.

Fig. 4 is a three-dimensional schematic view of the terminal group of the electric connector of the present invention when the material strip is connected.

FIG. 5 is a schematic perspective view from another angle in FIG. 3 .

Reference signs:

Electrical connector terminal set 100 head 11

First Level 111 Tail 12

Main body 121 Cutting part 122

Vertical part 1221 Second horizontal part 1222

First contact 1120 Second contact 1224

Stepped bending part 14 clamping structure 110

First ground contact 101 First power contact 102

Signal sending contact 103 Signal receiving contact 104

First detection contact 105 Second power contact 106

Second grounding contact 107 Third grounding contact 201

The third power contact 202 The second detection contact 203

Fourth power contact 204 Fourth ground contact 205

Tape 200

Detailed ways

Please refer to FIG. 1 to FIG. 3 , which disclose an electrical connector terminal set 100 according to the present invention, and the electrical connector terminal set 100 is used to hold an insulating body (not shown) of an electrical connector (not shown). (not shown), it includes a head 11 and a tail 12 connected to the head 11, the tail 12 includes a main body 121, a blanking portion 122 extending from the main body 121 to the head 11, the lower The material portion 122 and the head portion 11 form a vertically symmetrical or asymmetrical clamping structure 110 for mating with a mating connector (not shown). The blanking part 122 refers to that each electrical connector terminal or part of the electrical connector terminal is formed by folding the material of the tail part 12 toward the direction of the head 11 by piercing, unilateral or double-sided cutting, etc. The electrical connector terminal group 100 can form a rotary multi-contact high-density small-pitch terminal group structure; ) of a pair of electrical connector terminals (not shown) have two tails 12 (not shown); and in the utility model, a single electrical connector terminal can form a clamping structure 110, and each clamping structure 110 share the main part 121 of the tail part 12, so that product impedance can be reduced, product performance can be improved, product structure can be simplified, process difficulty can be reduced, product stability can be improved, product manufacturing process can be shortened, and product cost can be reduced. A stepped bent portion 14 is provided between the head portion 11 and the tail portion 12 so that the main body portion 121 of the tail portion 12 is located between the clamping structures 110 in the vertical direction, so that the electrical connector terminal set 100 The shape is relatively symmetrical in the up and down direction. When the butt connector is plugged in, the force on the electrical connector terminal set 100 is relatively uniform, and it is not easy to bend downward or downward, thereby prolonging the life of the electrical connector terminal set 100. service life. In a specific embodiment, the angle at which the material of the tail portion 12 is bent toward the direction of the head portion 11 may be 180 degrees or other specific angles to meet corresponding requirements.

The head 11 is provided with a horizontally extending first horizontal portion 111, and the blanking portion 122 includes a vertical portion 1221 bent and extended downward from the rear end of the head 11, and bent forward from the vertical portion 1221. The extended second horizontal part 1222, the first horizontal part 111 and the second horizontal part 1222 are symmetrical to each other in the vertical direction, and the main part 121 of the tail part 12 is clamped between the first horizontal part 111 and the second horizontal part 1222 in the vertical direction Between the second horizontal portion 1222 . So set, the head 11 and the blanking part 122 are aligned in the left and right direction, and the space between the first horizontal part 111 and the second horizontal part 1222 can be used for docking connectors, so that the The clamping structure 110 clamps the docking connector more stably, and is not easy to twist and deflect. When the mating connector is inserted, the first horizontal portion 111 and the second horizontal portion 1222 are evenly stressed, and the main body 121 of the tail portion 12 is not easy to bend and deform, thereby prolonging the service life of the electrical connector terminal set 100 .

The front ends of the first horizontal part 111 and the second horizontal part 1222 are provided with protruding clamping parts close to each other, and the clamping parts are provided with contacts for electrically connecting to the mating connector. Specifically, the front end of the first horizontal part 111 is provided with a first contact 1120 protruding toward the second horizontal part 1222 for electrically connecting the butt connector, and the front end of the second horizontal part 1222 is provided with a The second contact 1224 protruding from the horizontal part 111 is used to electrically connect the butt connector. In this way, the clamping structure 110 can firmly clamp the butt connector, so that the first contact 1120 and the second contact The contacts 1224 are electrically connected to the mating connector firmly.

The blanking portion 122 is a side blanking portion 122 that is located at the side of the main body 121 and further extends and bends from the head 11. Specifically, the side blanking part 122 can be bent from the right side of the main body part 121; The side cutting is bent and made. With such arrangement, the structure is simple and the manufacture is convenient.

The blanking part 122 is a single-sided blanking part 122 located on one side of the main body 121 and further extended and bent from the head 11 or a double-sided blanking part 122 located on both sides of the main body 121 and further extended and bent from the head 11 Section 122. With such an arrangement, more contacts can be formed on the same electrical connector terminal (not shown), and a small-pitch terminal group structure with more contacts and higher density can be realized to meet the requirements of the corresponding electrical connector.

The blanking portion 122 is a piercing blanking portion 122 located in the middle of the main body 121 and further extending from the head 11 and bent. That is, the puncture blanking part 122 is formed by cutting from the middle of the main body 121 by puncturing, so that the structure between the main body 121 and the head 11 is relatively stable, and its own torsional deflection is not easy to occur. .

Referring to FIGS. 4-5 , the main body 121 of the tail 12 is used to connect the material strip 200 backwards, and the rear end of the main body 121 of the tail 12 of the electrical connector terminal set 100 is flush and located on the same horizontal plane. In this way, the electrical connector terminal set 100 is molded on the same strip 200, and when it is necessary to separate the electrical connector terminal set 100 from the strip 200, it only needs to be cut flush at the rear end of the tail portion 12 and the main body portion 121. It facilitates integral molding of the electrical connector terminal set 100 .

The electrical connector terminal set 100 includes a number of contacts located on the blanking part 122 and the head 11, the contacts include a first row of contacts and a second row of contacts, and the first row of contacts includes in turn The first ground contact 101, the first power contact 102, the signal transmission contact 103, the signal reception contact 104, the first detection contact 105, the second power contact 106 and the second ground contact 107, the The second row of contacts sequentially includes a third ground contact 201, a third power contact 202, a second detection contact 203, a fourth power contact 204 and a fourth ground contact 205, the first ground contact 101 is vertically opposite to the third ground contact 201, the first power contact 102 is vertically opposite to the third power contact 202, and the second ground contact 107 is vertically opposite to the fourth ground contact 205. facing up and down, the second power contact 106 and the fourth power contact 204 are facing up and down, and the first detecting contact 105 and the second detecting contact 203 are distributed on the signal sending contacts in the left and right direction 103. On both sides of the signal receiving contact 104, the first row of contacts is in the left and right direction, and there is a gap of two contacts between the first grounding contact 101 and the first power contact 102, and the A gap of one contact is vacant between the first power contact 102 and the signal transmitting contact, and a gap of two contacts is vacant between the second power contact 106 and the second ground contact 107; the second row The contacts are in the left and right direction, the gap between the third ground contact 201 and the third power contact 202 is vacant, and the gap between the second detection contact 203 and the fourth power contact 204 is A gap of three contacts is vacant, and a gap of two contacts is vacant between the fourth power contact 204 and the fourth ground contact 205 . That is, the electrical connector terminal group 100 is a USB2.0 terminal group, and its interface frame is the same as that of the USB3.1Type-C interface frame. In this way, only the USB2.0 terminal group is reserved while improving compatibility. The manufacturing cost of other conductive terminals (not shown) can be reduced, thereby complying with the trend of high compatibility and low cost of electrical connectors. The gap is the vacant position of other terminals of USB3.1Type-C except the USB2.0 terminal group, so set, the position of the electrical connector terminal group 100 is accurate, and can be more suitable for the interface frame of USB3.1Type-C. In this embodiment, the contacts are in the shape of elastic protrusions. With such an arrangement, the elastic protruding contact can achieve better electrical connection with the flat contact of the mating connector. That is, in this embodiment, the electrical connector terminal set 100 is a female connector terminal set suitable for a USB3.1 Type-C interface frame. Specifically, looking at the electrical connector terminal set 100 from front to back: The first row of contacts from left to right is the first ground contact 101, the first power contact 102, the signal sending contact 103, the signal receiving contact 104, the first detection contact 105, the second power contact Head 106 and second ground contact 107, the second row of contacts from left to right is the third ground contact 201, the third power contact 202, the second detection contact 203, the fourth power contact 204 and the fourth ground contact 205 . In other embodiments, the contacts can also be straight or in other shapes, so that the electrical connector terminal set 100 is a male connector terminal set suitable for the USB3.1Type-C interface frame, specifically , looking at the electrical connector terminal set 100 from front to back: the first row of contacts from right to left are the first ground contact 101, the first power contact 102, the signal sending contact 103, the signal receiving contact Contacts 104, first detection contacts 105, second power contacts 106 and second ground contacts 107, the second row of contacts are the third ground contacts 201, the third power contacts from right to left The head 202 , the second detection contact 203 , the fourth power contact 204 and the fourth ground contact 205 .

The main body 121 of the tail 12 is straight and horizontally extending backward from the head. . In this way, wires (not shown) can be welded on the main body 121 of the tail 12, so as to avoid welding the circuit board, thereby saving the cost of the electrical connector. .

The electrical connector terminal set 100 is a USB Type C or FPC electrical connector terminal set 100. In other embodiments, the electrical connector terminal set 100 is also applicable to other electrical connectors that need to have the electrical connector terminal clamping structure 110 .

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. An electrical connector terminal group, used to be held on the insulating body of the electrical connector, the electrical connector terminal group includes a plurality of conductive terminals, the conductive terminals include a head and a tail portion connecting the head, its features In that: the tail part includes a main body and a blanking part that folds and extends from the main body to the head, and the blanking part and the head form a vertically symmetrical or asymmetrical clamping structure for matching with the docking connector A step-shaped bent portion is provided between the head and the main body of the tail so that the main body of the tail is located between the clamping structures in the up-down direction. 2. The electrical connector terminal set according to claim 1, wherein the head is provided with a first horizontal portion extending horizontally, and the blanking portion includes an integrally bent and extended downward portion from the rear end of the head. The vertical part, the second horizontal part bent and extended forward from the vertical part, the first horizontal part and the second horizontal part are symmetrical to each other in the up and down direction, and the tail part is clamped in the up and down direction on the Between the first horizontal part and the second horizontal part. 3. The electrical connector terminal set according to claim 2, characterized in that: the front ends of the first horizontal part and the second horizontal part are provided with protruding clamping parts close to each other, and the clamping parts are provided with There are contacts for electrically connecting the mating connector. 4 . The electrical connector terminal set according to claim 1 , wherein the blanking portion is a side blanking portion located at a side of the main body and further extended and bent from the head. 5 . 5. The electrical connector terminal set according to claim 1, wherein the blanking part is a single-sided blanking part located on one side of the main body and further extended and bent from the head, or located on both sides of the main body The side and the double-sided blanking part that further extends and bends from the head. 6 . The electrical connector terminal set according to claim 1 , wherein the blanking portion is a piercing blanking portion located in the middle of the main body and further extended and bent from the head. 7 . 7. The electrical connector terminal set according to any one of claims 1, characterized in that: the main body of the tail part is used to connect the tape backwards, and the rear end of the main body part of the tail part of the electrical connector terminal set is aligned flat and on the same level. 8. The electrical connector terminal set according to claim 3, wherein the electrical connector terminal set includes a plurality of contacts located on the blanking part and the head, and the contacts include a first row of contacts and the second row of contacts, the first row of contacts sequentially includes a first ground contact, a first power contact, a signal sending contact, a signal receiving contact, a first detection contact, and a second power contact and the second ground contact, the second row of contacts sequentially includes the third ground contact, the third power contact, the second detection contact, the fourth power contact and the fourth ground contact, the first A ground contact is vertically opposed to the third ground contact, the first power contact is vertically opposed to the third power contact, and the second ground contact is vertically opposed to the fourth ground contact , the second power contact is opposite to the fourth power contact up and down, and the first detection contact and the second detection contact are distributed between the signal sending contact and the signal receiving contact in the left and right direction side, the first row of contacts is in the left and right direction, the gap between the first grounding contact and the first power contact is vacant, and the gap between the first power contact and the signal transmitting contact There is a gap between one contact and the gap between two contacts between the second power contact and the second ground contact; the second row of contacts is in the left and right direction, and the third ground contact There is a gap of two contacts between the third power contact and the gap of three contacts between the second detection contact and the fourth power contact, and the fourth power contact and the fourth The gap between two contacts is vacant between the ground contacts. 9. The electrical connector terminal set according to claim 1, wherein the main body of the tail is straight and horizontally extending backward from the head. 10. The electrical connector terminal set according to claim 1, wherein the electrical connector terminal set is a USB Type C or FPC electrical connector terminal set.