CN112864675B

CN112864675B - Wiring connector and pulling tool thereof

Info

Publication number: CN112864675B
Application number: CN202110210046.6A
Authority: CN
Inventors: 王帅; 赵跃奇; 王国良; 赵建余; 王舸
Original assignee: Shanghai Upun Electric Group Co ltd
Current assignee: Shanghai Upun Electric Group Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2024-08-30
Anticipated expiration: 2041-02-24
Also published as: CN112864675A

Abstract

The invention belongs to the technical field of PCB wiring connectors, and particularly relates to a wiring connector and a pulling tool thereof, wherein the wiring connector comprises a connector male end and a connector female end; the male end of the connector comprises an insulating seat and a plurality of welding pins connected to the insulating seat; the connector female end comprises an insulating shell, a plurality of pinholes, a conductive clip and a first boss; the insulating shell is provided with a first groove and a second groove which can both accommodate the insulating seat; the pin hole is communicated with the first groove and the second groove, and the welding pin can be inserted into the pin hole; the conductive clamp is used for connecting the lead and the welding needle, and can be abutted against the test probe; the first boss is used for bearing the pulling force. According to the wiring connector, the male end of the connector can be plugged into the female end of the connector from two directions, and the conductive clamp can realize connection between a wire and a welding pin and can also abut against a test probe; the pulling tool is used as a matched tool, so that the female end of the inserted connector can be easily separated from the male end of the connector, and the damage to the wire connector can be avoided.

Description

Wiring connector and pulling tool thereof

Technical Field

The invention relates to the technical field of PCB wiring connectors, in particular to a wiring connector and a pulling tool thereof.

Background

A Printed Circuit Board (PCB) wiring connector is a common type of electrical connector on the market, and like a general electrical connector, a male connector end (having a plurality of conductive male terminals insulated from each other inside) and a female connector end (having a plurality of conductive female terminals insulated from each other inside) are plugged together to form a multi-path conductive connection insulated from each other, and the PCB wiring connector is characterized in that one end (the male connector end or the female connector end) of the PCB wiring connector is welded on a PCB, and the other end of the plugged connection fastens a conductive wire and the male/female connector end together through a detachable mechanical structure to form a conductive connection, and finally forms a separable conductive connection from the conductive wire to the PCB.

The conventional PCB wiring connector is inconvenient to operate when being applied in a small and limited space, and particularly when the connector has a plurality of digits, the connector is difficult to pull due to the fact that a large plugging force is required, and the connector is easy to damage; moreover, the test hole sites of the conventional PCB wiring connectors are often difficult to select and design: if the screw is exposed by selecting the space saving mode, the test hole without the test probe clamping structure is easy to cause inaccurate positioning and poor contact of the test probe; if the contact effect of the test probe is guaranteed, deeper hole sites with the test probe clamping contact structure are needed, so that space saving and compact size are difficult to achieve at the same time.

Disclosure of Invention

The invention aims to provide a wiring connector and a pulling tool thereof, wherein the wiring connector has a compact structure, can ensure the contact effect of a test probe, is suitable for a narrow space, and is convenient for separating a male end of a male connector from a female end of a plug-in connector by using an auxiliary tool; the pulling tool is used as a matched tool of the wiring connector, so that the female end of the connector can be easily pulled off from the male end of the connector, and the damage to the wiring connector can be avoided.

To achieve the purpose, the invention adopts the following technical scheme:

In one aspect, there is provided a wiring connector comprising:

The connector comprises a connector male end, a connector female end and a connector female end, wherein the connector male end comprises an insulation seat and a plurality of welding pins, and the welding pins are fixedly connected to the insulation seat;

a female connector end, the female connector end comprising:

The insulation seat comprises an insulation shell, wherein a first groove and a second groove are respectively arranged at two ends of the insulation shell, and the insulation seat can be accommodated in the first groove and the second groove;

The pin holes are communicated with the first groove and the second groove, and the welding pins can be respectively inserted into the pin holes;

The conductive clamp is arranged in the insulating shell, is clamped with the welding needle and is used for connecting a wire, and can be abutted against the test probe; and

The first boss is arranged on the insulating shell and used for receiving pulling force to separate the female end of the connector from the male end of the connector.

As a preferred structure of the present invention, the connector female end further includes a test member including:

the side cover is detachably connected to the insulating shell and is arranged on one side, opposite to the first boss, of the female end of the connector;

The test hole is arranged on the side cover and corresponds to the conductive clamp; the test well is for receiving the test probe; and

The test groove is arranged on the conductive clamp and is used for abutting against the test probe.

As a preferable structure of the invention, the conductive clip comprises a test spring, the test groove is arranged on the test spring, and the test groove shields part of the test hole.

As a preferable structure of the invention, the test spring is provided with a guide arc, the guide arc is connected to the test groove, and the guide arc is used for guiding the test probe.

As a preferable structure of the invention, the female end of the connector further includes a second boss, the second boss is disposed on a side of the insulating housing opposite to the first boss, and the second boss is used for being clamped with a pulling tool.

In another aspect, a pulling tool is provided for pulling out the female connector end, including:

The handheld piece can be clamped with the second boss and is used for handheld operation;

the clamping piece can be clamped with the first boss; and

The connecting piece, the connecting piece is connected the hand piece with the holder, the connecting piece is provided with the bending part, the hand piece can be around the bending part turns over.

As a preferable structure of the present invention, the guide support post is further comprised, the guide support post is connected to the connecting member, and the guide support post abuts against the bottom of the second groove.

As a preferred structure of the present invention, further comprising a splice assembly comprising:

the splicing hole is arranged on the side face of the hand piece;

the splicing column is arranged on the other side surface of the handheld piece, which is far away from the splicing hole, and corresponds to the splicing hole.

As a preferable structure of the present invention, the portable electronic device further comprises a clamping member, wherein the clamping member is connected to the handheld member, the clamping member comprises a connecting column and a clamping ring, and the clamping ring is arranged on the peripheral wall of the connecting column; the insulating housing is provided with a plurality of locking wire holes, the connecting column can be inserted into the locking wire holes, and the clamping ring is clamped with the locking wire holes.

As a preferable structure of the present invention, the hand piece is provided with an anti-slip portion.

The invention has the beneficial effects that: according to the wiring connector and the pulling tool thereof, the first groove and the second groove are formed in the female end of the connector of the wiring connector, and the first groove and the second groove can accommodate the insulating seat of the male end of the connector, so that the male end of the connector can be plugged into the female end of the connector from two directions, and the wiring connector is suitable for different application environments, high in space utilization rate and compact in structure; the female end of the connector is provided with a first boss, an auxiliary tool or bare-handed operation can be adopted to apply a pulling force on the first boss which protrudes, so that the female end of the inserted connector and the male end of the connector are separated, and the operation is easy and labor-saving; the conductive clamp arranged in the insulating shell can realize connection of the lead and the welding needle, can be abutted to the test probe, ensures effective clamping of the test probe, and has accurate positioning, good contact effect and compact structure. The pulling tool can be integrated on the wiring connector as a matched tool of the wiring connector, occupies small space, can avoid losing, can turn over into an operating handle by breaking off the hand piece when in use, and is convenient for hand-held pulling operation; the clamping piece is clamped with the first boss when the space is extremely crowded and can be detached, the operation can be performed through the handheld piece, the operation is simple and convenient, labor is saved, and the damage to the wire connector is avoided.

Drawings

Fig. 1 is a schematic structural view of a wiring connector according to a first embodiment of the present invention;

fig. 2 is a schematic illustration of the male and female connector ends according to a first embodiment of the present invention;

FIG. 3 is an exploded view of a test component provided in accordance with a first embodiment of the present invention;

FIG. 4 is an exploded view of a wiring connector according to a first embodiment of the present invention;

fig. 5 is a schematic view of a portion of a wiring connector according to a first embodiment of the present invention;

fig. 6 is a schematic diagram of turning over a pulling tool according to a second embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a pulling tool clamping connection connector according to a second embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a connection wire of a connection connector of a snap-in pulling tool according to a second embodiment of the present invention;

Fig. 9 is a schematic structural diagram of splicing a plurality of pulling tools according to a second embodiment of the present invention;

Fig. 10 is a front view of a pulling tool according to a second embodiment of the present invention.

In the figure:

1. A male end of the connector; 11. an insulating base; 12. a welding needle;

2. A connector female end; 21. an insulating housing; 211. a first groove; 212. a second groove; 22. a pinhole; 23. a wire inlet hole; 24. a lockwire hole; 25. crimping the screw; 26. a first boss; 27. a test component; 271. a side cover; 272. a test well; 274. testing the spring plate; 2741. a test groove; 275. a conductive clip; 28. a second boss; 29. a wire pressing frame;

3. Pulling out the tool; 31. a hand piece; 32. a clamping member; 33. a connecting piece; 34. a guide support column; 35. a splice hole; 36. splicing columns; 37. a clamping piece; 38. an anti-slip part;

100. A PCB board;

200. And (5) conducting wires.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

As shown in fig. 1-5, an embodiment of the present invention provides a wiring connector, which includes a male connector end 1 and a female connector end 2. The male connector 1 comprises an insulating base 11 and a plurality of welding pins 12, and the welding pins 12 are fixedly connected to the insulating base 11. Preferably, the welding pin 12 passes through the insulating seat 11, both ends of the welding pin are exposed out of the insulating seat 11, and the insulating seat 11 is made of insulating rubber. The shorter end of the solder pin 12, which is exposed out of the insulating base 11, is soldered to the PCB board 100, and the longer end is used for inserting the female connector end 2. The connector female terminal 2 includes an insulating housing 21, a plurality of pin holes 22, a plurality of wire feed holes 23, a plurality of wire locking holes 24, a plurality of crimping screws 25, a wire pressing frame 29, a conductive clip, and a first boss 26. The two ends of the insulating housing 21 are respectively provided with a first groove 211 and a second groove 212, and the first groove 211 and the second groove 212 can accommodate the insulating base 11; through the first groove 211 and the second groove 212, the male connector end 1 can be plugged into the female connector end 2 from two directions, as shown in fig. 2, so as to adapt to different application environments, and the connector has high space utilization rate and compact structure. The pin holes 22 are communicated with the first groove 211 and the second groove 212, and the plurality of welding pins 12 can be respectively inserted into the plurality of pin holes 22; the plurality of wire inlet holes 23 are respectively communicated with the plurality of pinholes 22. The wire pressing frame 29 is arranged in the insulating shell 21, the conductive clip is arranged in the wire pressing frame 29, one end of the conductive clip is provided with an elastic contact piece, and the conductive clip can form detachable conductive contact with the welding needle 12 and is used for connecting the lead 200 and the welding needle 12; the conductive clip can abut the test probe to form an electrical connection between the test probe and the solder pin 12. The lead 200 passes through the wire inlet hole 23 and is electrically connected with the welding pin 12 through the conductive clip to form electrical connection between the lead 200 and the PCB 100; the conducting wires 200 are removed, and the conductive clamp is used for clamping the inserted test probes, so that the test probes can be effectively clamped, the positioning is accurate, the contact effect is good, and the structure is compact. The wire locking holes 24 are arranged on the insulating shell 21, and the wire locking holes 24 are respectively communicated with the wire inlet holes 23; the crimping screw 25 is screwed to the wire locking hole 24, and the crimping screw 25 is used for pressing the wire 200. The first boss 26 is disposed on the insulating housing 21, and the connector female end 2 and the connector male end 1 can be separated by the first boss 26, and the first boss 26 is used for receiving the pulling force. As shown in fig. 1, the female connector end 2 and the male connector end 1 may be separated by applying a pulling force to the protruding first boss 26 by using an auxiliary tool or by a bare-handed operation. The first boss 26 becomes a stress body for pulling operation, and the operation is simple and labor-saving.

Further, the connector female end 2 further includes a test member 27, and as shown in fig. 3, the test member 27 includes a side cover 271, a test hole 272, and a test groove 2741. The side cover 271 is detachably connected to the insulating housing 21, the side cover 271 is disposed on one side of the connector female end 2 away from the first boss 26, and the side cover 271 can protect the interior of the connector female end 2; the test hole 272 is arranged on the side cover 271, and the test hole 272 corresponds to the conductive clip; the test aperture 272 is for receiving a test probe; the test groove 2741 is disposed on the conductive clip, and the test groove 2741 is used for abutting against the test probe. The test probes can be further guided by the test element 27.

Further, the conductive clip includes a test spring 274 and a conductive clip 275, and a test groove 2741 is disposed on the test spring 274, wherein the test groove 2741 shields a portion of the test hole 272. When the test probe is inserted through the test hole 272, the test groove 2741 is pressed to generate elastic deflection to one side, so that the test probe can be conveniently clamped, and stable conductive contact is formed between the test probe and the welding needle 12. The conductive clip 275 is clamped to the solder pins 12, and through the conductive clip, the electrical connection of the test probe to the solder pins 12 can be achieved. During testing, the test probe passes through the test hole 272 and is clamped by the test spring 274, and the electrical connection between the test probe and the welding needle 12 is completed through the test spring 274. The test holes 272 ensure good contact with the test probes.

Further, the test spring 274 is provided with a guide arc connected to the test groove 2741 for guiding the test probe. The guide arc is used to guide the test probe as it is inserted into the test groove 2741, avoiding the test spring 274 from scratching the test probe.

Further, the female connector end 2 further includes a second boss 28, the second boss 28 is disposed on a side of the insulating housing 21 away from the first boss 26, and the second boss 28 is used for clamping a pulling tool.

Example two

As shown in fig. 6-10, an embodiment of the present invention provides a pulling tool for pulling out the female connector end 2 in the first embodiment. The extracting tool 3 comprises a hand piece 31, a clamping piece 32 and a connecting piece 33. The hand piece 31 can be clamped with the second boss 28, and the hand piece 31 is used for hand-held operation; the clamping piece 32 is clamped with the first boss 26; the connecting piece 33 connects the hand piece 31 and the clamping piece 32, the connecting piece 33 is provided with a bending part, and the hand piece 31 can be folded around the bending part and deviate from the clamping piece 32. Preferably, the second boss 28 has a boss thickness that is less than the boss thickness of the first boss 26 so that the handpiece 31 is easily separated from the second boss 28. The pulling tool 3 can be integrated on the wiring connector, namely, the pulling tool 3 is buckled on the female end 2 of the connector, at the moment, the handheld piece 31 is clamped with the second boss 28, the clamping piece 32 is clamped with the first boss 26, and the wiring connector and the pulling tool occupy small space; when in use, the hand piece 31 can be turned over to be an operation handle by being broken off from the second boss 28, so that the hand piece is convenient to pull out; the pulling tool 3 can be detached even when the space is extremely crowded, and when the pulling operation is required, the clamping piece 32 is clamped with the first boss 26, so that the pulling operation can be performed through the hand piece 31. Loss is also avoided when the extracting tool 3 is integrated on the wiring connector. In this embodiment, the pulling tool 3 is made of ductile plastic, and has better elasticity and strength, and when the pulling tool 3 is clamped to the female connector end 2, the clamping member 32 is elastically deformed and clamped to the first boss 26; when the female connector end 2 is pulled out by the hand piece 31, the clamping piece 32 can be firmly clamped on the first boss 26 and cannot fall off.

Preferably, the connecting piece 33 has an arched thin-wall area, so that interference with the welding needle 12 can be avoided, and when the pulling tool 3 is pulled off from one end of the hand piece 31, the connecting piece 33 with the arched thin-wall area is elastically deformed, the hand piece 31 can be turned around the bending part for 90 degrees to become an operation handle, the hand pulling operation is facilitated, and the clamping piece 32 cannot fall off from the first boss 26.

Further, the extracting tool 3 further comprises a guiding support column 34, the guiding support column 34 is connected to the connecting piece 33, and the guiding support column 34 abuts against the bottom of the second groove 212. Guide support post 34 provides a guide support function. When the connector female end 2 is pulled out by the hand piece 31, the guide support column 34 and the clamping piece 32 together exert a pulling force on the connector female end 2.

Further, the pulling tool 3 further comprises a splicing assembly, the splicing assembly comprises a splicing hole 35 and a splicing column 36, and the splicing hole 35 is arranged on the side face of the hand piece 31; the splicing column 36 is disposed on the other side surface of the hand piece 31 far from the splicing hole 35, and the splicing column 36 corresponds to the splicing hole 35. The pulling tool 3 is of a modularized design, and can be spliced together in pairs or in a plurality of pairs, so that the handheld stress area for pulling is increased. Preferably, the side of the pulling tool 3 provided with the splicing column 36 is a concave-convex surface, so that the pulling tools 3 spliced with each other are conveniently separated; it is further preferred that the width of the extracting tool 3 is equal to the distance between the pinholes 22 such that the hand piece 31 coincides with the overall centre of the extracting tool 3.

Further, the pulling tool 3 further comprises a clamping piece 37, the clamping piece 37 is connected to the hand piece 31, the clamping piece 37 comprises a connecting column and a clamping ring, the connecting column can be inserted into the locking wire hole 24, and the clamping ring is arranged on the outer peripheral wall of the connecting column; the snap ring is snapped into the wire locking hole 24. Preferably, the locking wire hole 24 is internally provided with a reverse buckling ring, and when the connecting post is inserted into the locking wire hole 24, the reverse buckling ring in the locking wire hole 24 can be clamped by the clamping ring to form weak buckling, so that the hand piece 31 is firmly connected with the female end 2 of the connector; the weak snap-fit arrangement does not create a separation difficulty when it is desired to flip the handpiece 31 or remove the extraction tool 3 from the female connector end 2.

Further, the extracting tool 3 further comprises an anti-slip part 38, and the anti-slip part 38 is arranged on the hand piece 31. The anti-slip portion 38 is convenient for withstanding the pulling force applied by the operator to the hand piece 31. Preferably, as shown in fig. 9, a plurality of rounded protrusions are provided as the slip prevention parts 38 at the end of the hand piece 31.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. A wiring connector, comprising:

the connector comprises a connector male end (1), wherein the connector male end (1) comprises an insulating seat (11) and a plurality of welding pins (12), and the welding pins (12) are fixedly connected to the insulating seat (11);

Connector female end (2), connector female end (2) includes:

the insulation base comprises an insulation shell (21), wherein a first groove (211) and a second groove (212) are respectively arranged at two ends of the insulation shell (21), and the insulation base (11) can be contained in the first groove (211) and the second groove (212);

-a plurality of pinholes (22), said pinholes (22) communicating said first recess (211) and said second recess (212), a plurality of said welding pins (12) being insertable into a plurality of said pinholes (22), respectively;

the conductive clamp is arranged in the insulating shell (21), is clamped with the welding needle (12), is used for connecting a wire (200) and can be abutted with a test probe; and

A first boss (26), the first boss (26) being disposed on the insulating housing (21), the first boss (26) being configured to receive a pulling force to separate the connector female end (2) from the connector male end (1);

The test component (27), the test component (27) includes side cap (271), test hole (272) and test recess (2741), side cap (271) detachably connect in on insulating casing (21), side cap (271) set up in on connector female end (2) one side of facing away from first boss (26), test hole (272) set up in on side cap (271), test hole (272) corresponds conductive clip, test hole (272) are used for holding the test probe, test recess (2741) set up on conductive clip, test recess (2741) are used for the butt test probe;

The second boss (28), second boss (28) set up in on insulating casing (21) dorsad one side of first boss (26), second boss (28) are used for joint extracting tool.

2. The wiring connector of claim 1, wherein the conductive clip comprises a test spring (274), the test groove (2741) is disposed on the test spring (274), and the test groove (2741) shields a portion of the test hole (272).

3. The wire connector of claim 2, wherein the test spring (274) is provided with a guide arc connected to the test groove (2741) for guiding the test probe.

4. A pulling tool for pulling out a female connector end (2) according to claim 1, comprising:

A hand piece (31), wherein the hand piece (31) can be clamped with the second boss (28), and the hand piece (31) is used for hand-held operation;

the clamping piece (32), the clamping piece (32) can be clamped with the first boss (26); and

The connecting piece (33), connecting piece (33) connect hand piece (31) with holder (32), connecting piece (33) are provided with the bending portion, hand piece (31) can be rolled over around the bending portion.

5. The extraction tool according to claim 4, further comprising a guide support post (34), the guide support post (34) being connected to the connection piece (33), the guide support post (34) abutting the bottom of the second recess (212).

6. The extraction tool of claim 4, further comprising a splice assembly comprising:

a splice hole (35), wherein the splice hole (35) is arranged on the side surface of the hand piece (31);

the splicing column (36), the splicing column (36) set up in keep away from on the hand piece (31) the another side of splice hole (35), spliced column (36) corresponds splice hole (35).

7. The pulling tool according to claim 4, further comprising a snap member (37), the snap member (37) being connected to the hand piece (31), the snap member (37) comprising a connecting post and a snap ring, the snap ring being provided to an outer circumferential wall of the connecting post; the insulating shell (21) is provided with a plurality of locking wire holes (24), and the connecting posts can be inserted into the locking wire holes (24); the clamping ring is clamped with the locking wire hole (24).

8. The pulling tool according to claim 4, characterized in that the hand piece (31) is provided with an anti-slip part (38).