WO2020133595A1

WO2020133595A1 - Universal wire clamping device, electric plug connector and female seat of electric plug connector

Info

Publication number: WO2020133595A1
Application number: PCT/CN2019/071642
Authority: WO
Inventors: 王传宝
Original assignee: 江苏英曼电子工业有限公司
Priority date: 2018-12-28
Filing date: 2019-01-14
Publication date: 2020-07-02
Also published as: CN111384603A; DE212019000261U1

Abstract

Disclosed are a universal wire clamping device (1), an electric plug connector, and a female seat of an electric plug connector. The device comprises a punch-down tool cover body (11), and at least one cable passing hole (12) and at least one cable pressing groove (13) are transversely arranged on the punch-down tool cover body (11). A first blade wire-breaking groove (14) for accommodating a first blade (2) and a second blade wire breaking groove (15) are arranged inside the cable passing hole (12) and the cable pressing groove (13) respectively, the first blade wire breaking groove (14) is in the shape of an X, and the second blade wire breaking groove (15) is in an obliquely-arranged linear shape. The X-shaped first blade wire-breaking groove (14), the obliquely-arranged linear second blade wire-breaking groove (15), the cable wire-passing hole (12) and the cable wire-pressing groove (13) cooperate for use and are suitable for various types of blades, such that the electric plug connector with the wire clamping device (1) and the female seat of the electric plug connector are suitable for various types of blades.

Description

Universal card line device, electric plug connector and electric plug connector female seat

Technical field

The invention relates to a universal card wire device, an electric plug connector and an electric plug connector female seat.

Background technique

The electrical plug connector is used to establish an electrical connection between the first cable and the second cable, or also to establish an electrical connection between the first cable and the electrical appliance. Among them, the cable clamping device is a device that presses the first cable and the second cable on the clamping knife to establish a connection. Therefore, the cable clamping device has a great influence on the signal transmission quality. There are many card cutters on the market. If each card cutter is matched to manufacture a card wire device, it will inevitably cause cost increase and waste of resources. Therefore, it is necessary to invent a card wire that can be matched with various card cutters. Device.

Summary of the invention

In order to overcome the above shortcomings, one object of the present invention is to provide a universal card threading device. The second object of the present invention is an electric plug connector with the card wire device. The third object of the present invention is to provide an electric plug connector female seat with the wire clamping device.

In order to achieve one of the above objectives, the technical solution adopted by the present invention is: a universal cable-clamping device, including a wire-bonding cover body, the wire-bonding cover body is laterally provided with at least one cable passing hole and at least one A cable crimping groove, wherein the cable passing hole and the cable crimping groove are respectively provided with a first clamping knife wire breaking groove and a second clamping knife wire breaking groove for accommodating the first clamping knife, the first The thread breaking groove of the chuck is X-shaped, and the thread breaking groove of the second chuck is in a shape of an inclination. The beneficial effects of the present invention: the use of X-shaped first card cutter wire-breaking groove and obliquely-shaped second card cutter wire-breaking groove, cable hole, cable crimping groove can be applied to many Style card cutters.

Preferably, the first card cutter wire-breaking slot includes a first slot and a second slot that intersect, and the first slot and the second slot are both in-line. The second slot can be used to match the past card cutter, and the first slot can be used to match the new card cutter, so that the card threading device can be applied to a variety of card cutters.

Preferably, the first clamping knife includes a cutting type cutting knife and/or a puncturing type cutting knife.

Preferably, the cutting-type cutter includes a first cutter body, an upper portion of the first cutter body is provided with a clamping slot extending to the middle, and the inner side wall of the clamping slot is pressed into a knife-edge shape for cutting the line The cable is thus in contact with the inner conductor of the cable, and a connection portion for connecting to the PCB board is provided at the lower portion of the first card cutter body. The inner side wall of the card slot with a knife edge can cut the cable and connect the inner conductor of the cable to play a data transmission role when the cable is pressed into the card slot.

Preferably, the piercing type card cutter includes a second card cutter body, and a first, second, and third barbed vertices are provided on an upper portion of the second card cutter body.

Preferably, the central axes of the first, second, and third thorn-like vertices are inclined in different directions. When the cable is pressed in, the thorny apex connects the punctured cable with the inner conductor of the cable for data transmission. The punctured card cutter punctures the cable from three directions than the cut-type card cutter. The data transmission efficiency is higher. , Better stability and other advantages.

In order to achieve the second of the above objectives, the technical solution adopted by the present invention is: an electric plug connector including an electric plug connector body, a PCB board is provided inside the electric plug connector body, and the PCB board is The first clamping knife is connected, the first clamping knife passes through the terminal base and is inserted into the clamping device to connect with the cable inserted in the universal clamping device, and the PCB board is connected to the crystal head chip. An upper cover of the electric plug connector is provided above the main body of the electric plug connector. The electric plug connector of the present invention adopts the above-mentioned wire clamping device, and can be applied to various styles of card cutters.

Preferably, the main body of the electric plug connector is connected to one end of a spring piece with a reset function, and the other end of the spring piece is linked to one end of a pick with a pull-out reset function, and the pick is slidably arranged on the electric plug On the upper cover of the device, the other end of the paddle extends to the outside of the upper cover of the electrical plug connector to form a toggle portion for finger toggle. By adding a paddle that can be dialed externally, the paddle is designed to be linked with the elastic sheet, and the finger does not need to extend into the plug portion of the electrical plug connector. The electrical plug connector can be removed from the electrical plug connector by simply pulling the paddle externally Take out from the server interface, its operation is convenient, it effectively solves the problem of insufficient wiring server space and affects the user experience, and also effectively avoids the problem of service life caused by insufficient depressing of the shrapnel

In order to achieve the third of the above objectives, the technical solution adopted by the present invention is: an electric plug connector female seat, including an electric plug connector female seat main body, wherein the electric plug connector female seat body is provided with a PCB circuit Board, a direct pressure ferrule and a terminal seat are arranged side by side on the PCB circuit board, a second clamping knife is inserted on the terminal seat and the second clamping knife is connected with the direct pressure ferrule, the terminal seat The upper part of the upper part is provided with a universal card wire device, and the top of the second clamping knife extends into the universal card wire device and cuts the cable in the universal card wire device to contact the inner conductor of the cable data transmission. The electric plug connector female seat of the present invention adopts the above-mentioned cable clamping device, and can be applied to various types of card cutters.

BRIEF DESCRIPTION

1 is a structural diagram of the universal card thread device of the present invention;

2 is a bottom view of the universal card thread device of the present invention;

FIG. 3 is a front view of the cut-off type cutter of the present invention;

4 is a schematic view of the installation position of the cut-off type cutter and the wire clamping device of the present invention;

5 is a front view of the puncture card cutter of the present invention;

6 is a right side view of the puncture card cutter of the present invention;

7 is a schematic view of the installation position of the puncture type card cutter and the card thread device of the present invention;

8 is a structural diagram of the electrical plug connector of the present invention;

9 is a structural diagram of the main body of the electric plug connector of the present invention;

10 is a structural diagram of the PCB board of the present invention;

11 is a structural diagram of the terminal block of the present invention;

12 is a structural diagram of the upper cover of the electric plug connector of the present invention;

13 is a block diagram of the baffle of the electrical plug connector of the present invention;

14 is a perspective view of the female plug connector of this embodiment;

15 is a perspective view of the top of the wire-bonding cover, terminal base, and PCB board after the housing of the electric plug connector female seat is removed in this embodiment;

16 is a perspective view of the bottom of the wire-bonding cover in the female seat of the electric plug connector of this embodiment;

FIG. 17 is a perspective view of a terminal block, a PCB, and a top part matched with a clamping knife in the female socket of the electric plug connector of this embodiment.

detailed description

The following describes the preferred embodiments of the present invention in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so that the protection scope of the present invention is more clearly defined.

As shown in FIGS. 1-2, a universal card-clamping device in this embodiment includes a wire-bonding cover body 11 (as shown in the figure, the wire-bonding cover body is preferably used for the convenience of threading cables and managing cables. L-shaped, not limited to L-shaped), the wire cover body 11 is provided with four cable passing holes 12 and four cable crimping slots 13 in the lateral direction, the cable passing holes 12 and the wire The cable pressing wire groove 13 is respectively provided with a first card cutter wire breaking groove 14 and a second card cutter wire breaking groove 15 for accommodating the card cutter 2, the first card cutter wire breaking groove 14 is X-shaped, and the first The second card cutter line breaking groove 15 is a straight line arranged obliquely, and can be applied to both the cutting-type clamping knife 21 and/or the puncturing-type clamping knife 22. The first card cutter wire breaking slot 14 includes a first slot 141 and a second slot 142 that intersect, the first slot 141 and the second slot 142 are both in-line, and the first slot 141 The angle with the second slot 142 is 20-80°, preferably 30°. In order to fix the cable in the cable crimping groove 13, two pairs of crimping block 16 are provided on the inner wall of the cable crimping groove 13, the number of the crimping block 16 may not be limited to two pairs, at least one pair That is, two pairs are the best.

As shown in FIG. 3, the cut-off cutter 21 includes a first cutter body 211, and an upper portion of the first cutter body is provided with a clamping slot 212 extending to the middle, and the inner side wall of the clamping slot 212 is pressed. It is used to cut the cable to make contact with the inner conductor of the cable to realize data transmission. The tail portion of the first chuck body 211 uses a fish-eye-shaped through hole 213, so when connecting with the PCB board, no soldering process is required, which not only reduces the production difficulty and cost, but also solves the problem of missing soldering and false soldering from the root cause The poor contact caused increases the service life. The first clamping knife body 211 is provided with limit clamping points 214 on both sides, which are used to have a hard limit for the cutting-type clamping knife 21 when it is inserted.

As shown in FIGS. 4-7, the puncture type card cutter 22 includes a second card cutter body 221, and the upper part of the second card cutter body 221 is provided with first, second, and

third barbed vertices

222, 223 , 224, the central axes of the first, second, and third

thorny vertices

222, 223, and 224 are inclined in different directions. The tail portion of the second card cutter body 221 uses a fisheye-shaped through hole 225, so when connecting with the PCB board, no soldering process is required, which not only reduces the production difficulty and cost, but also solves the problem of missing soldering and false soldering from the root cause The poor contact caused increases the service life. The second clamping knife body 221 is provided with a limiting clamping point 226 on both sides, which is used to have a hard limit for the cutting-type clamping knife 22 when it is inserted.

The above-mentioned universal card wire device can be universally matched to an electric plug connector and an electric plug connector female seat.

As shown in FIGS. 8-11, the electrical plug connector includes an electrical plug connector body 3, a PCB board 4 is provided inside the electrical plug connector body 3, the PCB board 4 and the card cutter 2 Connected, the card knife 2 passes through the terminal block 5 and is inserted into the universal card wire device to connect with the cable inserted in the universal card wire device. The PCB board 3 is connected to the crystal head chip 7 An upper cover 8 of the electric plug connector is provided above the main body 3 of the electric plug connector. In order to prevent accidents caused by workers touching the PCB 4 during insertion, a baffle 6 may be further provided under the PCB 3, and the crystal head wafer 7 is connected to the cable through the baffle 6. The main body 3 of the electrical plug connector is connected to one end of a spring piece 91 having a reset function, and the other end of the spring piece 91 is linked to one end of a pick 92 having a pull-out reset function, and the pick 92 is slidably disposed on the electric plug On the plug connector upper cover 8, the other end of the paddle 92 extends to the outside of the electrical plug connector upper cover 8 to form a toggle portion for finger toggle. The user pulls the dial part outward, and the dial 92 drives the elastic piece 91 to stretch outward. Because one end of the elastic piece 91 is fixed, the elastic piece 91 is pressed down and disconnected from the server interface, and the electrical plug connector can be directly withdrawn. The electric plug connector described in this embodiment has convenient operation, convenient insertion and removal, and can overcome the problem of inconvenience of unplugging operation on the dense wiring server.

As shown in FIG. 9, the electrical plug connector body 3 is a box 31 with windows at both ends, and windows are opened on both the upper and lower surfaces of the box 31. One end of the main body 3 of the electric plug connector is connected with a semicircular semicircular screw mechanism 32. The outer surface of the semicircular screw mechanism 32 is provided with an external thread, which is connected to the half of the tail of the upper cover 8 of the electric plug connector. The circular thread mechanism is combined to form an open circular thread mechanism, which is used in conjunction with the universal cable clamping device and threaded fasteners to fasten the cable, and the corresponding pre-wire management device can be installed according to the construction needs. The other end of the main body 3 of the electrical plug connector is provided with an elastic sheet fixing groove 33 for fixing the elastic sheet 9 and a limiting fixing slot 37 that is engaged with the tail of the baffle 6 to limit and fix the baffle 6. The elastic piece fixing groove 33 includes a pair of limiting slide grooves 331 and a fixing groove 332 for limiting and fixing the elastic pieces 9. The main body 3 of the electrical plug connector is provided with a first fixing slot 34 on both sides, and the terminal seat 5 is engaged with each other for fixing the terminal seat 5. The front ends of both sides of the main body of the electric plug connector 3 are provided with second fixing slots 35 and the baffle 6 to be engaged with each other for fixing the baffle 6. The upper part of the main body 3 of the electrical plug connector is provided with a clamping post 36 for rotational connection with the upper cover 8 of the electrical plug connector, fixing the upper cover 8 of the electrical plug connector and ensuring that the upper cover 8 of the electrical plug connector can Rotate normally at this position. The upper portion of the main body 3 of the electrical plug connector is provided with a limit rail 38 for limiting the installation of the terminal base 5, so as to avoid excessive installation affecting the normal use of the electrical plug connector.

As shown in FIG. 10, the PCB board 4 is provided with 16 crystal head wafer through

holes

41 and 8 card cutter through holes 42 at both ends.

As shown in FIG. 11, the terminal block 5 is provided with eight card cutter placement slots 51, and each card cutter placement slot 51 is in a division symbol style for adapting to a variety of card cutters 2. The card knife is placed on the card slot 51 with a card knife limit concave edge, which is used in conjunction with the limit card point of the card knife 2 to ensure that the card knife 2 will not be affected by poor contact caused by pulling out the PCB board under normal use data transmission. In order to guide and limit the crimping line of the universal wire clamping device and reduce the difficulty of use, at least one wire cap limiting post 52 is provided at one end of the terminal base 5. The upper part of the terminal block 5 is provided with a terminal block limiting block 53 for cooperating with the upper cover 8 of the electric plug connector to prevent the terminal block 5 from shifting. The terminal block limiting block 53 is provided with four wires The cable avoidance groove 55 is used to avoid the cable that is not cut in place during the normal construction process, so that the practicality of the electric plug connector is improved. One or more fixed clamping blocks 54 are provided on both sides of the terminal base 5 and the first fixed card slot 34 at the front end of the bottom of the electrical plug connector body 3 is used to limit and fix the terminal base 5 to ensure the terminal base 5 It does get stuck in the main body of the electric plug connector or the female plug connector.

As shown in FIG. 12, both sides of the upper cover 8 of the electric plug connector are provided with fixing round holes 81, which are connected to the clamping posts 36 in rotation, so that the upper cover 8 of the electric plug connector is fixed to the electric plug Plug connector body 3 and can rotate normally. The electric plug connector upper cover 8 is provided with a semicircular screw mechanism 82 at one end, which is used in conjunction with the semicircular screw mechanism 32 at one end of the electric plug connector body 3.

Referring to FIG. 13, the baffle 6 includes a set of eight wafer clamping slots 61 and one or more pairs of fixed clamping blocks 62. A set of eight wafer card slots 61 corresponds to a set of crystal head wafers. The crystal head wafer, baffle 6, PCB board 4 can be used to limit the depth of the wafer contact point to ensure effective connection with the interface; one or more pairs of fixed cards The block 62 is used in conjunction with the second fixing slot 35 at the front end of the bottom of the electric plug connector body 3 to limit and fix the baffle 6.

As shown in FIGS. 14-17, the electrical plug connector female seat includes an electrical plug connector female seat body 101, and a PCB circuit board 103 is provided in the electrical plug connector female seat body 101, the PCB circuit The plate 103 is provided with a direct-pressure ferrule 102 (90-degree or 180-degree ferrule) and a terminal block 104 side by side, and a second clamping knife 105 is inserted into the terminal block 104 and the second clamping knife 105 is directly pressed The ferrule 102 is connected, and the upper part of the terminal base 104 is provided with a universal wire clamping device 1, the top of the clamping knife 105 extends into the universal wire clamping device 1 and cuts the universal wire clamping device 1 The inner cable thus contacts the inner conductor of the cable for data transmission. A window is provided on the upper portion of the female plug body 101 of the electric plug connector, and a female upper cover 106 is rotatably connected to the female plug body 101 to seal the window. Wherein, the second clamping knife 105 is selected from a cutting type clamping knife 21 and/or a puncturing type clamping knife 22.

The above embodiments are only for explaining the technical concept and features of the present invention, and the purpose thereof is to let those familiar with the technology understand the contents of the present invention and implement them, and cannot limit the scope of protection of the present invention. All equivalent changes or modifications made should be covered in the protection scope of the present invention.

Claims

A universal wire clamping device includes a wire-bonding cover body (11), and the wire-bonding cover body (11) is laterally provided with at least one cable passing hole (12) and at least one cable crimping groove ( 13), the cable passing hole (12) and the cable crimping groove (13) are respectively provided with a first card cutter wire breaking groove (14) and a second card for accommodating the first card cutter (2) The knife-breaking groove (15) is characterized in that the first knife-breaking groove (14) is X-shaped, and the second knife-breaking groove (15) is in an inclined shape.
The universal card threading device according to claim 1, characterized in that the first card cutter thread breaking slot (14) includes a first slot (141) and a second slot (142) that intersect, so The first slot (141) and the second slot (142) are both in-line.
The universal wire clamping device according to claim 1, characterized in that the first clamping knife (2) includes a cutting-type clamping knife (21) and/or a puncturing-type clamping knife (22).
The universal card threading device according to claim 3, characterized in that the cut-off type card cutter (21) includes a first card cutter body (211), and an upper portion of the first card cutter body (211) is provided There is a clamping slot (212) extending to the middle, the inner side wall of the clamping slot (212) is pressed into a knife-edge shape for cutting the cable to contact the inner conductor of the cable, the first clamping knife body (211) The lower part is provided with a connecting part for connecting the PCB board.
The universal card threading device according to claim 3, characterized in that: the piercing card cutter (22) includes a second card cutter body (221), and an upper portion of the second card cutter body (221) is provided There are first, second, and third spiny vertices (222, 223, 224).
The universal card threading device according to claim 5, wherein the centers of the first, second, and third thorn-like vertices (222, 223, 224) are inclined in different directions.
An electric plug connector is characterized by comprising an electric plug connector body (3), a PCB board (4) is provided inside the electric plug connector body (3), and the PCB board (4) Connected with the first card cutter (2), the card cutter (2) passes through the terminal block (5) and is inserted into the universal card wire device (1) to be inserted into the universal card wire device (1) Is connected to the cable, the PCB board (4) is also connected to the crystal head wafer (7), and an upper cover (8) of the electric plug connector is provided above the main body of the electric plug connector (3).
The universal card wire device according to claim 7, characterized in that: the main body (3) of the electrical plug connector is connected to one end of a spring piece (91) having a reset function, and the other end of the spring piece (91) One end is linked with one end of a pull plate (92) with pull-out reset function, the slide plate (92) is slidingly arranged on the upper cover (8) of the electric plug connector, and the other end of the slide plate (92) extends to The outer cover (8) of the electric plug connector is formed with a toggle portion for finger toggle.
An electric plug connector female seat is characterized by comprising an electric plug connector female seat body (101), and a PCB circuit board (103) is arranged in the electric plug connector female seat body (101), The PCB circuit board (103) is provided with a direct pressure ferrule (102) and a terminal block (104) side by side, a second clamping knife (105) is inserted into the terminal block (104) and the second card The knife (105) is connected to the direct-pressure ferrule (102), the upper part above the terminal base (104) is provided with a universal wire clamping device (1), and the top of the second clamping knife (105) extends into the universal Use the inside of the card-type cable device (1) and cut the cable in the universal card-type device (1) to contact the conductor in the cable to realize data transmission.