CN214672989U

CN214672989U - Detachable binding post

Info

Publication number: CN214672989U
Application number: CN202120528224.5U
Authority: CN
Inventors: 陈星�; 张凯; 庄元彬; 姚伟楠; 刘康健; 叶福春; 汪洪江; 汪继勇; 邹文明; 陆郑超; 秦兵豪; 刘健; 赵赫
Original assignee: Kaihua Power Supply Co Of State Grid Zhejiang Electric Power Co ltd
Current assignee: Kaihua Power Supply Co Of State Grid Zhejiang Electric Power Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-09
Anticipated expiration: 2031-03-12

Abstract

The utility model aims at providing a detachable connecting terminal, which comprises a crimping pipe and a connector, wherein one end of the crimping pipe is provided with a stud, the connector is provided with a connecting plate, and the connecting plate is provided with a connecting hole; the connecting head is provided with a jack for connecting the stud, and the connecting head is provided with a detachable connecting mechanism matched with the stud; one end of the stud is provided with an elastic contact mechanism. The utility model discloses in the use, when breaking occur between connector and the connecting plate, only need earlier with the crimping pipe from the connector dismantle, then more new connector and with original crimping pipe with new connector link to each other, at last with the connecting plate on the new connector be connected to equipment on can, need not to carry out the crimping to crimping pipe and wire again, it is comparatively convenient to change the process.

Description

Detachable binding post

Technical Field

The utility model relates to a binding post, in particular to detachable binding post.

Background

A terminal, also commonly referred to as a wire lug, is a device used to connect wires to equipment. The main body of the connecting terminal is a crimping pipe, a wiring hole is formed in the crimping pipe, a connecting plate is arranged at one end of the crimping pipe, a connecting hole is formed in the connecting plate, and the connecting plate and the crimping pipe are integrally formed. When the connector is used, one end of a wire is inserted into the wiring hole, then the side face of the crimping pipe is pressed through the corresponding crimping device, the crimping pipe and the wire are crimped together, and then the connecting plate is connected to equipment through a bolt.

Because the thickness of connecting plate is thinner among the current binding post, the junction of connecting plate and crimping pipe is comparatively fragile, breaks easily taking place between connecting plate and the crimping pipe in the use, binding post in case breaks, and need cut the part that original wire and crimping pipe crimping are in the same place, then changes new binding post to carry out the crimping to the wire again, and the change process is comparatively troublesome.

Such as: chinese patent publication No. CN211556152U, the name of the utility model is a line nose, including: the crimping component is provided with a crimping space for positioning a wire core of the wire; a sealing assembly connected with the crimping assembly to seal at least a portion of the wire core within the crimp space when the crimping assembly is positioned over the wire core of the wire. The utility model discloses a weak point lies in: when the wire nose breaks in the use process, the original part of the wire connected with the crimping component needs to be cut off, then a new wire nose is replaced, and the wire is crimped again, so that the replacement process is troublesome.

Disclosure of Invention

The utility model aims at solving current binding post and taking place the fracture easily between connecting plate and the crimping pipe in the use, binding post in case breaks, and need cut off original wire and crimping pipe crimping part together, then more renew binding post to carry out the crimping to the wire again, the comparatively trouble problem of change process provides a detachable binding post, can effectively solve above-mentioned problem.

The utility model aims at realizing through the following technical scheme: a detachable wiring terminal comprises a crimping pipe and a connector, wherein a stud is arranged at one end of the crimping pipe, a connecting plate is arranged on the connector, and a connecting hole is formed in the connecting plate; the connecting head is provided with a jack for connecting the stud, and the connecting head is provided with a detachable connecting mechanism matched with the stud; one end of the stud is provided with an elastic contact mechanism.

The utility model discloses when using, earlier insert jack on the connector with the double-screw bolt on the crimping pipe to link together both through dismantling coupling mechanism, then insert the wire in the crimping pipe, then utilize dedicated crimping device to carry out the crimping to the crimping pipe, make wire and crimping pipe crimping together, be connected to corresponding equipment through the bolt with the connecting plate on at last, accomplish being connected of wire and equipment. The utility model discloses in the use, when breaking occur between connector and the connecting plate, only need earlier with the crimping pipe from the connector dismantle, then more new connector and with original crimping pipe with new connector link to each other, at last with the connecting plate on the new connector be connected to equipment on can, need not to carry out the crimping to crimping pipe and wire again, it is comparatively convenient to change the process. The elastic contact mechanism can ensure that the crimping pipe and the connector keep good conductive contact.

Preferably, the elastic contact mechanism comprises a first guide hole arranged at one end of the stud, a contact rod is connected in the first guide hole in a sliding mode, and a first spring is connected between the contact rod and the bottom of the first guide hole.

Preferably, the contact bar is made of brass.

Preferably, the crimping pipe is provided with a wiring hole, and the aperture of the wiring hole is 8-12 mm.

Preferably, the detachable connecting mechanism comprises a guide groove arranged on the side of the jack, a slidable threaded slider is connected in the guide groove, a thread matched with the stud is arranged on one side, close to the jack, of the threaded slider, and a second spring is connected between the other side of the threaded slider and the inner wall of the guide groove; the lower end of the guide groove is provided with a first piston hole in the vertical direction, the lower end of the first piston hole is provided with a second piston hole in the horizontal direction, the lower end of the first piston hole is connected with one end of the second piston hole, and the upper end of the first piston hole penetrates through the groove wall of the guide groove; a first piston is arranged in the first piston hole, a second piston is arranged in the second piston hole, the upper end of the first piston is connected with a telescopic rod, the lower end of the threaded sliding block is provided with a chute, one chute wall of the chute is a first guide inclined plane, and the upper end of the telescopic rod is provided with a second guide inclined plane parallel to the first guide inclined plane; a first check ring is arranged at the upper end of the first piston hole, and a third spring is arranged between the first check ring and the first piston; a closed oil cavity is formed between the first piston and the second piston, and liquid medium is filled in the oil cavity; one end of the second piston is connected with a pressing rod, and one end of the pressing rod extends out of the second piston hole. The liquid medium is hydraulic oil. When the crimping pipe is connected with the connector, the stud is inserted into the jack, one side of the threaded slider, which is provided with threads, abuts against the side face of the stud under the action of the second spring, and the threads on the threaded slider are meshed with the threads on the side face of the stud, so that the stud can be effectively connected into the jack, and the connection between the crimping pipe and the connector is realized; when the crimping pipe is detached from the connector, the pressing rod is pressed firstly, the pressing rod drives the second piston to move, the first piston and the telescopic rod are pushed to move upwards under the action of a liquid medium, when the telescopic rod moves upwards, the second guide inclined surface at the upper end of the telescopic rod is contacted with the first guide inclined surface on the threaded sliding block, and under the pushing action of the telescopic rod, the threaded sliding block is driven to move towards the direction away from the stud, so that the threaded sliding block is separated from the stud, the stud can be pulled out from the jack, and the crimping pipe can be separated from the connector; when the crimping pipe is installed on the connecting head, the pressing rod is pressed down firstly, the threaded sliding block is moved to a position far away from the jack, then the stud on the crimping pipe is inserted into the jack, then the pressing rod is loosened, the telescopic rod moves downwards to an initial position under the action of the third spring, the threaded sliding block also moves towards the direction of the stud under the action of the second spring, threads on the threaded sliding block are meshed with threads on the stud, and finally the stud is screwed up only by slightly rotating the stud. In the traditional threaded connection mode, when the stud is completely screwed into the threaded hole or completely unscrewed from the threaded hole, the number of turns required to be rotated is large, and the stud is connected with great effort; and the utility model discloses in, through the aforesaid can dismantle coupling mechanism, when realizing threaded connection, the double-screw bolt is packing into the jack or the in-process of extracting from the jack, and the required pivoted number of turns of double-screw bolt significantly reduces, and crimping pipe is convenient quick with the connector when the installation perhaps dismantles.

Preferably, a second retainer ring for limiting the position of the second piston is provided in the second piston hole.

Preferably, one side of the threaded slider is provided with a spring groove, and one end of the second spring is connected in the spring groove.

The utility model has the advantages that: the utility model discloses in the use, when breaking occur between connector and the connecting plate, only need earlier with the crimping pipe from the connector dismantle, then more new connector and with original crimping pipe with new connector link to each other, at last with the connecting plate on the new connector be connected to equipment on can, need not to carry out the crimping to crimping pipe and wire again, it is comparatively convenient to change the process.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 2.

Fig. 4 is an enlarged view of the portion C in fig. 2.

Fig. 5 is a structural schematic diagram of one direction of the threaded slider.

Fig. 6 is a structural schematic diagram of the threaded slider in another direction.

In the figure: 1. the connector comprises a crimping pipe, 2, a wiring hole, 3, an annular groove, 4, a connector, 5, a connecting plate, 6, a connecting hole, 7, a stud, 8, a jack, 9, a first guide hole, 10, a contact rod, 11, a first spring, 12, a guide groove, 13, a threaded slider, 14, a second spring, 15, a first piston hole, 16, a first piston, 17, a telescopic rod, 18, a second piston hole, 19, a second piston, 20, a pressing rod, 21, an ejector rod, 22, a locking rod, 23, a chute, 24, a first guide inclined plane, 25, a first retainer ring, 26, a third spring, 27, a second guide hole, 28, a fourth spring, 29, a spring groove, 30, a second retainer ring, 31 and a third guide hole.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1 to 6, a detachable terminal includes a crimping tube 1 and a connector 4. The crimp tube 1 and the connector 4 are made of brass. The crimping pipe 1 is of a circular tubular structure. The crimp tube 1 is closed at one end and open at the other end. The crimping tube 1 is provided with a wiring hole 2 for connecting a wire. The surface of the wiring hole 2 is provided with a plurality of annular grooves, and the annular grooves 3 are sequentially arranged along the axial direction of the crimping pipe 1. The aperture of the wiring hole 2 is 8-12 mm. The closed end of the crimping pipe 1 is provided with a stud 7. And an elastic structure mechanism is arranged at one end of the stud 7 far away from the crimping pipe 1. The elastic contact mechanism comprises a first guide hole 9 arranged at one end of the stud 7, and the first guide mechanism is arranged at one end, far away from the crimping pipe 1, of the stud 7. The first guide hole 9 is provided along the axial direction of the stud 7. A contact rod 10 is slidably connected in the first guide hole 9, and the contact rod 10 is made of brass. A first spring 11 is connected between the contact rod 10 and the bottom of the first guide hole 9. One end of the contact rod 10 protrudes through the first guide hole 9.

The connector 4 is provided with a connecting plate 5, and the connecting plate 5 and the connector are integrally formed. The connecting plate 5 is provided with a connecting hole 6. The connector 4 is provided with a jack for connecting the stud 7. The connector 4 is provided with a detachable connecting mechanism matched with the stud 7.

The detachable connecting mechanism comprises guide grooves 12 arranged on two sides of the jack 8, a slidable threaded sliding block 13 is connected in each guide groove 12, threads matched with the stud 7 are arranged on one side, close to the jack 8, of the threaded sliding block 13, and a second spring 14 is connected between the other side of the threaded sliding block 13 and the inner wall of each guide groove 12. The threaded slider 13 is provided with a spring groove 29 on one side thereof adjacent to the second spring, and one end of the second spring 14 is connected to the spring groove 29. The lower end of the guide groove 12 is provided with a first piston hole 15 in the vertical direction, the lower end of the first piston hole 15 is provided with a second piston hole 18 in the horizontal direction, the lower end of the first piston hole 15 is connected with one end of the second piston hole 18, and the first piston hole 15 is connected with the second piston hole 18 in an L shape. The upper end of the first piston hole 15 penetrates the groove wall of the guide groove 12, and one end of the second piston hole 18 penetrates the outer surface of the connecting head 4. A first piston 16 is disposed in the first piston bore 15 and a second piston 19 is disposed in the second piston bore 18. The upper end of the first piston 16 is connected with a telescopic rod 17, the lower end of the threaded sliding block 13 is provided with a chute 23, and one chute wall of the chute 23 is a first guide inclined surface 24. The upper end of the telescopic rod 17 is provided with a second guide slope parallel to the first guide slope 24. A first retainer ring 25 is provided at the upper end of the first piston bore 15, and a third spring 26 is provided between the first retainer ring 25 and the first piston 16. A second stopper 30 for restricting the second piston 19 is provided in the second piston hole 18. A closed oil chamber is formed between the first piston 16 and the second piston 19, and a liquid medium is filled in the oil chamber. In the utility model, the liquid medium is hydraulic oil. One end of the second piston 19 is connected to a pressing rod 20, and one end of the pressing rod 20 extends out of the second piston hole 18.

A third guide hole 31 in the vertical direction is provided in the threaded slider 13, and the third guide hole 31 penetrates through the upper end surface of the threaded slider 13 and the first guide slope 24, respectively. The third guide hole 31 is connected with a mandril 21 in a sliding way, the lower end of the mandril 21 is provided with a third guide inclined plane parallel to the second guide inclined plane, and the second guide inclined plane is contacted with the third guide inclined plane. A second guide hole 27 corresponding to the third guide hole 31 is formed in the upper end of the guide groove 12, a locking rod 22 is connected in the second guide hole 27 in a sliding mode, a fourth spring 28 is connected between the upper end of the locking rod 22 and the inner wall of the upper end of the second guide hole 27, and the lower end of the locking rod 22 is in contact with the upper end of the ejector rod 21; when the third guide inclined plane moves to be flush with the first guide inclined plane, the upper end of the ejector rod is just flush with the upper end surface of the threaded sliding block.

The utility model discloses when using, earlier insert jack on the connector with the double-screw bolt on the crimping pipe to link together both through dismantling coupling mechanism, then insert the wire in the crimping pipe, then utilize dedicated crimping device to carry out the crimping to the crimping pipe, make wire and crimping pipe crimping together, be connected to corresponding equipment through the bolt with the connecting plate on at last, accomplish being connected of wire and equipment. The utility model discloses in the use, when breaking occur between connector and the connecting plate, only need earlier with the crimping pipe from the connector dismantle, then more new connector and with original crimping pipe with new connector link to each other, at last with the connecting plate on the new connector be connected to equipment on can, need not to carry out the crimping to crimping pipe and wire again, it is comparatively convenient to change the process.

When the crimping pipe and the connector are in a connection state, the stud is inserted into the jack, one side, provided with threads, of the threaded slide block abuts against the side face of the stud under the action of the second spring, the threads on the threaded slide block are meshed with the threads on the side face of the stud, so that the stud can be effectively connected into the jack, connection between the crimping pipe and the connector is realized, two ends of the locking rod simultaneously extend into the second guide hole and the third guide hole, and the threaded slide block is fixed at the position, so that the threaded slide block is in a locking state, and the threaded slide block is ensured not to be separated from the stud in the connection state; when the crimping pipe is detached from the connecting head, the pressing rod is pressed down first, the pressing rod drives the second piston to move, the first piston and the telescopic rod are pushed to move upwards under the action of the liquid medium, when the telescopic rod moves upwards, in the process of moving upwards, the telescopic rod firstly props against the lower end of the ejector rod and enables the ejector rod to move upwards, when the third guide inclined plane at the lower end of the ejector rod moves to be flush with the first guide inclined plane, the upper end of the ejector rod is just flush with the upper end surface of the threaded sliding block, at the moment, the locking rod is also completely inserted into the third guide hole, the locking state of the thread sliding block is released, then the telescopic rod is in the process of continuously moving upwards, under the action of the first guide inclined plane and the second guide inclined plane, the threaded sliding block is driven to move towards the direction away from the stud, so that the threaded sliding block is separated from the stud, therefore, the stud can be pulled out of the jack, so that the crimping pipe can be separated from the connector; when installing the crimping pipe on the connector, press down the pressure lever earlier for the screw slider removes the position of keeping away from the jack, then insert the double-screw bolt on the crimping pipe in the jack, loosen the pressure lever afterwards, the telescopic link moves down to initial position under the effect of third spring, the screw slider also moves towards the direction of double-screw bolt under the effect of second spring, make the screw thread on the screw slider and the screw thread engagement on the double-screw bolt, when the screw slider moved to the position with the double-screw bolt meshing, the locking pole stretched into in the third guiding hole under the effect of fourth spring, with screw slider locking, it can with the double-screw bolt tightening to only need rotate the double-screw bolt a little at last. In the traditional threaded connection mode, when the stud is completely screwed into the threaded hole or completely unscrewed from the threaded hole, the number of turns required to be rotated is large, and the stud is connected with great effort; and the utility model discloses in, through the aforesaid can dismantle coupling mechanism, when realizing threaded connection, the double-screw bolt is packing into the jack or the in-process of extracting from the jack, and the required pivoted number of turns of double-screw bolt significantly reduces, and crimping pipe is convenient quick with the connector when the installation perhaps dismantles.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. The utility model provides a detachable binding post, characterized by: the connecting device comprises a crimping pipe and a connector, wherein a stud is arranged at one end of the crimping pipe, a connecting plate is arranged on the connector, and a connecting hole is formed in the connecting plate; the connecting head is provided with a jack for connecting the stud, and the connecting head is provided with a detachable connecting mechanism matched with the stud; one end of the stud is provided with an elastic contact mechanism.

2. The detachable terminal according to claim 1, wherein the resilient contact means includes a first guide hole formed at one end of the stud, a contact rod slidably engaged in the first guide hole, and a first spring engaged between the contact rod and a bottom of the first guide hole.

3. A removable terminal according to claim 2, wherein the contact stem is made of brass.

4. The detachable terminal according to claim 1, wherein the crimp tube is provided with a wiring hole having a diameter of 8 to 12 mm.

5. The detachable wiring terminal as claimed in claim 1, 2, 3 or 4, wherein the detachable connection mechanism includes a guide groove disposed at a side of the insertion hole, a slidable threaded slider is connected in the guide groove, a thread matched with the stud is disposed on one side of the threaded slider close to the insertion hole, and a second spring is connected between the other side of the threaded slider and an inner wall of the guide groove; the lower end of the guide groove is provided with a first piston hole in the vertical direction, the lower end of the first piston hole is provided with a second piston hole in the horizontal direction, the lower end of the first piston hole is connected with one end of the second piston hole, and the upper end of the first piston hole penetrates through the groove wall of the guide groove; a first piston is arranged in the first piston hole, a second piston is arranged in the second piston hole, the upper end of the first piston is connected with a telescopic rod, the lower end of the threaded sliding block is provided with a chute, one chute wall of the chute is a first guide inclined plane, and the upper end of the telescopic rod is provided with a second guide inclined plane parallel to the first guide inclined plane; a first check ring is arranged at the upper end of the first piston hole, and a third spring is arranged between the first check ring and the first piston; a closed oil cavity is formed between the first piston and the second piston, and liquid medium is filled in the oil cavity; one end of the second piston is connected with a pressing rod, and one end of the pressing rod extends out of the second piston hole.

6. A detachable terminal according to claim 5, wherein a second retainer ring is provided in the second piston bore for retaining the second piston.

7. A detachable terminal according to claim 5, wherein one side of the screw slider is provided with a spring groove, and one end of the second spring is connected to the spring groove.