CN215497192U - Wiring connector and pulling tool thereof - Google Patents

Abstract

The utility model 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 pin holes, a conductive clamp and a first boss; the insulating shell is provided with a first groove and a second groove which can contain 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 pin 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 of a lead and a welding pin and can abut against a test probe; the pulling tool is used as a matching tool, so that the female end of the inserted connector can be easily separated from the male end of the connector, and the connector can not be damaged.

Description

Wiring connector and pulling tool thereof

Technical Field

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

Background

The printed circuit board (PCB for short) wiring connector is a common type of electric connector on the market, and like a common electric connector, a male connector end (a plurality of mutually insulated conductive male terminals are arranged inside) and a female connector end (a plurality of mutually insulated conductive female terminals are arranged inside) are inserted together to form a plurality of paths of mutually insulated conductive connections.

The conventional PCB wiring connector is inconvenient to operate when applied in a small and limited space, and particularly when the connector has a plurality of bits, the plugging and unplugging operation is difficult due to the requirement of large plugging and unplugging force, and the connector is easy to damage; moreover, the test hole sites of existing conventional PCB wiring connectors are often difficult to select and design: if the space is saved and the screw is exposed, the test probe is not accurately positioned and poor contact is easily caused by the test hole without the test probe clamping structure; if the contact effect of the test probe is ensured, a deeper hole position with a test probe clamping contact structure is needed, so that the space is difficult to be saved and the size is compact.

SUMMERY OF THE UTILITY MODEL

The utility model 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 female end of an inserted connector from a male end of the connector by using an auxiliary tool; the pulling tool is used as a matching tool of the wiring connector, so that the female end of the connector can be easily pulled out from the male end of the connector, and the wiring connector cannot be damaged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

in one aspect, a wiring connector is provided, including:

the connector male end comprises an insulating seat and a plurality of welding pins, and the plurality of welding pins are fixedly connected to the insulating seat;

female end of connector, female end of connector includes:

the insulating seat comprises an insulating shell, a first groove and a second groove are respectively arranged at two ends of the insulating shell, and the first groove and the second groove can accommodate the insulating seat;

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

the conductive clamp is arranged in the insulating shell and clamped with the welding pin, the conductive clamp is used for connecting a lead, and the conductive clamp can abut against the test probe; and

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

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

the side cover is detachably connected to the insulating shell and arranged on one side, back 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 hole is used for accommodating the test probe; and

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

As a preferred structure of the present invention, the conductive clip includes a testing spring, the testing groove is disposed on the testing spring, and the testing groove shields a portion of the testing hole.

As a preferred structure of the utility model, the testing elastic sheet is provided with a guide arc, the guide arc is connected to the testing groove, and the guide arc is used for guiding the testing probe.

As a preferred structure of the utility model, the connector female end further comprises a second boss, the second boss is arranged on one side of the insulating housing, which is back to the first boss, and the second boss is used for clamping and pulling a tool.

In another aspect, a pulling tool for pulling out the female terminal of the connector includes:

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 is connected with the handheld piece and the clamping piece, the connecting piece is provided with a bending part, and the handheld piece can be folded around the bending part.

As a preferable structure of the present invention, the connector further includes a guide supporting pillar, the guide supporting pillar is connected to the connector, and the guide supporting pillar abuts against the bottom of the second groove.

As a preferred structure of the present invention, the present invention further includes a splicing assembly, the splicing assembly including:

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

the splicing column is arranged on the hand piece and is far away from the other side face of the splicing hole, and the splicing column corresponds to the splicing hole.

As a preferred structure of the utility model, the handheld device further comprises a clamping piece, wherein the clamping piece is connected to the handheld piece and comprises a connecting column and a clamping ring, and the clamping ring is arranged on the outer peripheral wall of the connecting column; insulating housing is provided with a plurality of lockwire holes, the spliced pole can insert in the lockwire hole, the snap ring joint the lockwire hole.

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

The utility model has the beneficial effects that: according to the wiring connector and the pulling tool thereof, the connector female end of the wiring connector is provided with the first groove and the second groove, and the first groove and the second groove can both accommodate the insulating seat of the connector male end, so that the connector female end can be plugged in the connector male end from two directions, different application environments can be adapted, the space utilization rate is high, and the structure is compact; the connector female end is provided with a first boss, and the pulling force can be applied to the protruding first boss by adopting an auxiliary tool or manual operation, so that the inserted connector female end and the connector male end are separated, and the operation is easy and labor-saving; the conductive clamp arranged in the insulating shell can realize the connection of the wire and the welding pin, and can abut against the test probe, so that the effective clamping of the test probe is ensured, the positioning is accurate, the contact effect is good, and the structure is compact. The pulling tool is used as a matching tool of the wiring connector, can be integrated on the wiring connector, occupies small space, can be prevented from being lost, and can be turned into an operating handle by breaking the hand-held piece during use, so that the hand-held pulling operation is facilitated; also can dismantle when extremely crowded in space and get off, when needing to pull out the operation, with the first boss of holder joint, can pull out the operation through the handheld piece, easy and simple to handle, laborsaving can not cause the damage to the line connection ware.

Drawings

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

FIG. 2 is a schematic diagram of a male end and a female end of a connector according to an embodiment of the present invention;

FIG. 3 is an exploded view of a test assembly according to one embodiment of the present invention;

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

fig. 5 is a partial structural diagram of a wiring connector according to an embodiment of the present invention;

fig. 6 is a schematic folding view of the extracting tool according to the second embodiment of the present invention;

fig. 7 is a schematic structural diagram of a pulling tool engaging with a wire connector according to a second embodiment of the present invention;

fig. 8 is a schematic structural diagram of a connection wire of a wiring connector of the engaging and pulling tool according to the second embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a multi-extraction tool splice according to a second embodiment of the present invention;

fig. 10 is a front view of the extractor tool according to the second embodiment of the present invention.

In the figure:

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

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 lock wire hole; 25. crimping screws; 26. a first boss; 27. a test part; 271. a side cover; 272. a test well; 274. testing the elastic sheet; 2741. testing the groove; 275. a conductive clip; 28. a second boss; 29. pressing a wire frame;

3. pulling out the tool; 31. a handpiece; 32. a clamping member; 33. a connecting member; 34. a guiding support column; 35. splicing holes; 36. splicing the columns; 37. a fastener; 38. an anti-slip portion;

100. a PCB board;

200. and (4) conducting wires.

Detailed Description

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

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

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 end 1 comprises an insulating seat 11 and a plurality of welding pins 12, and the plurality of welding pins 12 are fixedly connected to the insulating seat 11. Preferably, the welding pin 12 penetrates through the insulating seat 11, both ends of the welding pin are exposed out of the insulating seat 11, and the material of the insulating seat 11 is insulating rubber. The shorter end of the soldering pin 12 exposed out of the insulating base 11 is soldered on the PCB board 100, and the longer end is used for plugging the female end 2 of the connector. The connector female end 2 includes an insulating housing 21, a plurality of pin holes 22, a plurality of wire inlet holes 23, a plurality of lock wire holes 24, a plurality of crimping screws 25, a wire crimping frame 29, a conductive clip, and a first boss 26. A first groove 211 and a second groove 212 are respectively arranged at two ends of the insulating shell 21, and both 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 end 1 of the connector can be plugged into the female end 2 of the connector 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 needle hole 22 is communicated with the first groove 211 and the second groove 212, and a plurality of welding pins 12 can be respectively inserted into the needle holes 22; the plurality of wire inlet holes 23 communicate with the plurality of pinholes 22, respectively. 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 which can form a detachable conductive contact with the welding pin 12 and is used for connecting the lead 200 and the welding pin 12; the conductive clip can abut the test probe to form an electrical connection of the test probe to the bonding pin 12. The lead wire 200 passes through the wire inlet hole 23 and is electrically connected with the welding pin 12 through the conductive clip to form the electrical connection between the lead wire 200 and the PCB 100; the lead 200 is removed, the inserted test probe is clamped by the conductive clamp, the test probe can be effectively clamped, the positioning is accurate, the contact effect is good, and the structure is compact. The lock wire holes 24 are arranged on the insulating shell 21, and the plurality of lock wire holes 24 are respectively communicated with the plurality of wire inlet holes 23; a crimping screw 25 is threadedly coupled to the lockhole 24, the crimping screw 25 serving to compress the wire 200. The first boss 26 is disposed on the insulating housing 21, the connector female end 2 can be separated from the connector male end 1 by the first boss 26, and the first boss 26 is used for receiving a pulling force. As shown in fig. 1, the female end 2 of the inserted connector and the male end 1 of the connector can be separated by applying a pulling force to the first protruding boss 26 with an auxiliary tool or by free hand. The first boss 26 becomes a stress body for pulling operation, and the operation is simple and labor-saving.

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

Further, the conductive clip includes a testing spring 274 and a conductive clip 275, a testing groove 2741 is disposed on the testing spring 274, and the testing groove 2741 covers a portion of the testing 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 clamped conveniently, and the test probe and the welding pin 12 form stable conductive contact. The conductive clip 275 engages the pin 12 and through the conductive clip, the test probe can be electrically connected to the pin 12. During testing, the test probe passes through the test hole 272 and is clamped by the test elastic sheet 274, and the test probe is electrically connected with the welding pin 12 through the test elastic sheet 274. The test holes 272 ensure good contact of the test probes.

Further, the testing spring 274 is provided with a guiding arc connected to the testing groove 2741, the guiding arc for guiding the testing probe. When the test probes are inserted into the test grooves 2741, the guide arcs are used to guide the test probes, preventing the test spring 274 from scratching the test probes.

Further, the connector female end 2 further includes a second boss 28, the second boss 28 is disposed on one side of the insulating housing 21 far 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 to 10, the embodiment of the present invention provides an extraction tool for extracting the female terminal 2 of the connector in the first embodiment. The extraction 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 operation; the clamping piece 32 is clamped with the first boss 26; connecting piece 33 connects handheld piece 31 and holder 32, and connecting piece 33 is provided with the portion of bending, and handheld piece 31 can be folded around the portion of bending and deviate from holder 32. Preferably, the second boss 28 has a protrusion thickness smaller than that of the first boss 26, so that the hand piece 31 is easily separated from the second boss 28. The pulling tool 3 can be integrated on the wiring connector, that is, the pulling tool 3 is buckled on the connector female end 2, at the moment, the hand piece 31 is buckled with the second boss 28, the clamping piece 32 is buckled with the first boss 26, and the wiring connector and the pulling tool thereof occupy small space; when in use, the hand-held piece 31 can be turned over into an operating handle by opening the second boss 28, so that the hand-held pulling operation is convenient; the extracting tool 3 can be detached when the space is extremely crowded, and when the extracting operation is needed, the clamping piece 32 is clamped with the first boss 26, so that the extracting operation can be carried out through the handheld piece 31. The pulling tool 3 can be prevented from being lost when it is integrated with the wiring connector. In this embodiment, the material of the extracting tool 3 is a flexible plastic, and has better elasticity and strength, when the extracting tool 3 is clamped to the connector female end 2, the clamping member 32 is elastically deformed to clamp the first boss 26; when the connector female end 2 is pulled out by the hand piece 31, the clamping piece 32 can be firmly clamped on the first boss 26 and can not fall off.

Preferably, the connecting member 33 has an arched thin-walled region to avoid interference with the welding pin 12, and when the extracting tool 3 is broken off from one end of the hand piece 31, the connecting member 33 having the arched thin-walled region is elastically deformed, and the hand piece 31 can be folded by 90 ° around the bent portion to become an operating handle, which facilitates the hand-held extracting operation, and does not cause the holding member 32 to fall off from the first boss 26.

Further, the extraction tool 3 further comprises a guiding support pillar 34, the guiding support pillar 34 is connected to the connecting piece 33, and the guiding support pillar 34 abuts against the bottom of the second groove 212. The guide support columns 34 provide a guide support function. When the connector female end 2 is pulled out by the hand piece 31, the guide support columns 34 and the holding pieces 32 work together to apply a pulling force to 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 surface of the hand piece 31; the splicing column 36 is disposed on the other side surface of the hand piece 31 away from the splicing hole 35, and the splicing column 36 corresponds to the splicing hole 35. The pulling tool 3 is in a modular design and can be spliced two by two or spliced together to increase the handheld stress area for pulling. Preferably, the side of the picking tool 3 provided with the splicing column 36 is a concave-convex surface, so that the mutually spliced picking tools 3 can be conveniently separated; it is further preferable that the width of the extraction tool 3 is equal to the pitch of the pinholes 22 so that the hand piece 31 coincides with the overall center of the extraction tool 3.

Further, the pulling tool 3 further comprises an engaging member 37, the engaging member 37 is connected to the hand piece 31, the engaging member 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 snaps into the keyhole aperture 24. Preferably, an inverted buckle ring is arranged in the lock wire hole 24, and because the pulling tool 3 has elasticity, when the connecting column is inserted into the lock wire hole 24, the inverted buckle ring in the lock wire hole 24 can be clamped by the buckle 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 structure does not cause difficulty in separation when it is necessary to flip the hand piece 31 or remove the extraction tool 3 from the female connector end 2.

Further, the extracting tool 3 further includes a non-slip portion 38, and the non-slip portion 38 is disposed on the hand piece 31. The anti-slip portion 38 facilitates the application of the pulling force to the hand piece 31 by the operator. Preferably, as shown in fig. 9, a plurality of circular protrusions are provided as the non-slip portions 38 at the end of the hand piece 31.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A wiring connector, comprising:

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

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

the insulating seat comprises an insulating shell (21), wherein a first groove (211) and a second groove (212) are respectively formed in two ends of the insulating shell (21), and the first groove (211) and the second groove (212) can accommodate the insulating seat (11);

a plurality of needle holes (22), wherein the needle holes (22) are communicated with the first groove (211) and the second groove (212), and a plurality of welding needles (12) can be respectively inserted into the needle holes (22);

the conductive clamp is arranged in the insulating shell (21) and clamped with the welding pin (12), the conductive clamp is used for connecting a lead (200), and the conductive clamp can abut against the test probe; and

the first boss (26), first boss (26) set up on insulating casing (21), first boss (26) are used for accepting the power of pulling out in order to with connector female end (2) with connector public end (1) separation.

2. The wiring connector according to claim 1, wherein said connector female end (2) further comprises a test member (27), said test member (27) comprising:

the side cover (271), the said side cover (271) is connected to the said insulating body (21) removably, the said side cover (271) is set up in the said female end of the connector (2) one side that faces away from said first boss (26);

the test hole (272) is formed in the side cover (271), and the test hole (272) corresponds to the conductive clamp; the test hole (272) is used for accommodating the test probe; and

a test groove (2741), the test groove (2741) disposed on the conductive clip, the test groove (2741) for abutting the test probe.

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

4. The wiring connector according to claim 3, characterized in that the test spring (274) is provided with a guide arc connected to the test groove (2741) for guiding the test probe.

5. The wiring connector according to claim 1, wherein the female connector end (2) further comprises a second boss (28), the second boss (28) is disposed on a side of the insulating housing (21) facing away from the first boss (26), and the second boss (28) is used for a snap-in extraction tool.

6. A pulling tool for use with the wiring connector of claim 5, comprising:

the hand piece (31), the second boss (28) of the wiring connector can be clamped by the hand piece (31), and the hand piece (31) is used for hand operation;

a clamp (32), the clamp (32) capable of clamping a first boss (26) of the wiring connector; and

connecting piece (33), connecting piece (33) are connected handheld piece (31) with holder (32), connecting piece (33) are provided with the portion of bending, handheld piece (31) can wind the portion of bending turns over and turns over.

7. The extraction tool according to claim 6, further comprising a guiding support post (34), the guiding support post (34) being connected to the connection piece (33), the guiding support post (34) abutting the bottom of the second groove (212).

8. The extraction tool according to claim 6, further comprising a splice assembly, the splice assembly comprising:

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

a splicing post (36), the splicing post (36) set up in keep away from on the hand piece (31) another side of splicing hole (35), splicing post (36) correspond splicing hole (35).

9. The extraction tool according to claim 6, further comprising a catch (37), wherein the catch (37) is connected to the hand piece (31), wherein the catch (37) comprises an attachment post and a snap ring, wherein the snap ring is arranged on the outer peripheral wall of the attachment post; the insulating shell (21) is provided with a plurality of lock wire holes (24), and the connecting columns can be inserted into the lock wire holes (24); the clamping ring is clamped with the lock line hole (24).

10. Extraction tool according to claim 6, characterized in that the handpiece (31) is provided with a non-slip part (38).

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