CN210430174U

CN210430174U - Detachable bolt assembly and plug

Info

Publication number: CN210430174U
Application number: CN201922019586.7U
Authority: CN
Inventors: 郑立和; 刘金辉; 吴清发; 郑静山
Original assignee: Bull Group Co Ltd
Current assignee: Gongniu Group Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-04-28
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a can dismantle bolt subassembly and plug belongs to mechanical technical field, include: a bolt; the connecting terminal is riveted or welded with the plug pin, wherein a connecting hole is formed in the connecting terminal, and the riveting part or the welding part of the connecting terminal and the plug pin is positioned outside the connecting hole; and the fastening screw is in threaded connection with the wiring terminal, wherein one end of the fastening screw extends into the wiring hole and abuts against the cable inserted in the wiring hole. The utility model provides a pair of can dismantle bolt subassembly and plug, its low in production cost, and the fastness is high, in addition, does not influence the grafting space of cable, convenience when having guaranteed the cable and pegging graft.

Description

Detachable bolt assembly and plug

Technical Field

The utility model belongs to the technical field of electrical apparatus, a plug, especially a can dismantle bolt subassembly and plug are related to.

Background

The bolt subassembly in the detachable plug that has now on the market generally comprises pressure bolt, line ball screw and square binding post. The square connecting terminal is made of H59 brass, so that the production cost of the plug pin assembly is high, and the processes of machining, cutting, tapping and the like of the instrument are required, so that the cost of using the detachable plug is increased.

Chinese patent (CN206211039U) discloses a detachable plug, including lower cover, bolt and binding post, the lower cover on be equipped with the fixed part, bolt and binding post fixed mounting on the fixed part and correspond the setting, binding post include terminal body and fastening screw, the terminal body be through a strap cutting and the loop configuration of folding formation, the one end of bolt is equipped with and corresponds the connecting portion that sets up in the terminal body with the cable, the other end passes the lower cover and is connected with the socket electricity, this internal connecting portion, terminal body and the mutual contact cooperation of cable of messenger of fastening screw in terminal.

However, in the above-mentioned plug, when the plug pin is connected to the connection terminal, the connection portion of the plug pin is inserted into the terminal body of the connection terminal, and then the connection between the plug pin and the connection terminal is locked synchronously when the cable in the terminal body is locked by the fastening screw, and such a structure has two disadvantages: firstly, the fastening screw not only needs to lock the cable, but also needs to lock the connection between the plug pin and the wiring terminal, so that the fastening effect is poor, and the looseness is easy to occur; secondly, because the connecting portion of bolt stretches into binding post's terminal body, reduced the grafting space of cable in this internal terminal, the installation of the cable of being not convenient for.

To sum up, for solving the structural not enough of current bolt subassembly, need design one kind and can improve the fastness of being connected between bolt and the binding post to do not influence the bolt subassembly in cable grafting space.

Disclosure of Invention

The utility model aims at having above-mentioned problem to current technique, provided one kind and can improve the fastness of being connected between bolt and the binding post to do not influence the bolt subassembly in cable grafting space.

The purpose of the utility model can be realized by the following technical proposal: a removable latch assembly comprising: a bolt; the connecting terminal is riveted or welded with the plug pin, wherein a connecting hole is formed in the connecting terminal, and the riveting part or the welding part of the connecting terminal and the plug pin is positioned outside the connecting hole; and the fastening screw is in threaded connection with the wiring terminal, wherein one end of the fastening screw extends into the wiring hole and abuts against the cable inserted in the wiring hole.

In foretell detachable plug subassembly, bolt and binding post are left and right sides distribution after the riveting, perhaps distribute from top to bottom.

In the above-mentioned bolt subassembly of dismantling, the riveted structure between bolt and the binding post is integrative to be set up on the bolt, or is integrative to be set up on binding post, or components of a whole that can function independently in bolt and binding post.

In foretell removable bolt subassembly, be unsmooth riveting cooperation between bolt and the binding post, perhaps cooperate through rivet riveting.

In the above detachable plug pin assembly, when the plug pin and the terminal are riveted and distributed left and right, the riveted part is located on the side of the terminal, wherein the plug pin is arranged in a strip shape; when bolt and binding post are about distributing after the riveting, its riveting position is located binding post's bottom, and wherein, the bolt is the setting of L type structure.

In foretell detachable plug subassembly, when the riveted structure an organic whole set up on binding post, this riveted structure is for being the lug of "embracing the structure", perhaps is a boss, and wherein, this lug cooperatees with the recess on the bolt, and the boss cooperatees with the shrinkage pool on the bolt.

In the above-mentioned detachable plug pin assembly, when the riveting structure is integrally arranged on the plug pin, the riveting structure is a lug in a "clasping structure", wherein the lug is riveted with the hole wall of the wiring hole.

In the above-mentioned detachable plug pin assembly, when the riveting structure is separated from the plug pin and the connection terminal, the riveting structure is a rivet, wherein the rivet is nested and riveted with the riveting hole on the plug pin and the riveting hole on the connection terminal.

In the above-mentioned detachable plug pin assembly, the riveting direction of the rivet is a horizontal direction or a vertical direction.

The utility model also provides a plug, include: the three bolt components are respectively an L-pole bolt component, an N-pole bolt component and an E-pole bolt component; the wire pressing bridge assembly is arranged in the shell and used for positioning the cable in the plug; and the small cover is covered on the upper shell, and the small cover, the upper shell and the lower shell are locked through a fastening piece.

Compared with the prior art, the utility model provides a pair of can dismantle bolt subassembly, its low in production cost, and the fastness is high, in addition, does not influence the grafting space of cable, convenience when having guaranteed the cable and pegging graft.

Drawings

Fig. 1 is an exploded view of a removable latch assembly of the present invention.

Fig. 2 is an exploded view of another preferred embodiment of a removable plug assembly according to the present invention.

Fig. 3 is an exploded view of a third preferred embodiment of a removable plug assembly of the present invention.

Fig. 4 is an exploded view of a fourth preferred embodiment of a removable plug assembly of the present invention.

Fig. 5 is an exploded view of a fifth preferred embodiment of a removable plug assembly of the present invention.

Fig. 6 is an exploded view of a sixth preferred embodiment of a removable plug assembly of the present invention.

Fig. 7 is an exploded view of a plug according to the present invention.

In the figure, 100, the bolt; 110. a groove; 120. concave holes; 130. a first riveting hole; 140. a third riveting hole; 150. a second lug; 200. a wiring terminal; 210. a wiring hole; 220. a first lug; 230. a threaded hole; 240. a boss; 250. a second riveting hole; 260. a fourth riveting hole; 270. a third lug; 300. fastening screws; 400. riveting; 500. an upper housing; 600. a lower housing; 700. a plug pin assembly; 800. a wire bridge assembly; 900. a small cover; 1000. a fastener.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, the utility model provides a pair of can dismantle bolt subassembly includes: a latch 100; a connection terminal 200 riveted or welded to the plug 100, wherein the connection terminal 200 is provided with a connection hole 210, and the riveted or welded portion of the connection terminal 200 and the plug 100 is located outside the connection hole 210; and a fastening screw 300 screwed on the connection terminal 200, wherein one end of the fastening screw 300 extends into the connection hole 210 and abuts against the cable inserted in the connection hole 210.

In this embodiment, the connection terminal 200 made of brass material in the prior art is changed into the connection terminal 200 made of steel rolling material, and the plug 100 and the connection terminal 200 are connected by riveting, so that the connection strength between the plug 100 and the connection terminal 200 is improved, and in addition, the riveting part between the plug 100 and the connection terminal 200 is positioned outside the connection hole 210, so that the plugging space of the cable is not affected, and the plugging operation of the cable is facilitated.

In the present embodiment, for convenience of description of the following structure, the following description is made only in a caulking manner.

The utility model provides a pair of can dismantle bolt subassembly, its low in production cost, and the fastness is high, in addition, does not influence the grafting space of cable, convenience when having guaranteed the cable and pegging graft.

Preferably, as shown in fig. 1, the plug 100 and the connection terminal 200 are engaged with each other by a male-female insertion, wherein a riveting portion of the plug 100 and the connection terminal 200 is located at a male-female insertion portion therebetween.

In this embodiment, the plug 100 and the terminal block 200 are more reliable and accurate in connection by the concave-convex insertion fit.

Further preferably, the pins 100 are riveted to the terminals 200 and distributed in a left-right direction.

Further preferably, two first lugs 220 are symmetrically disposed on two sides of the connection terminal 200, and the two first lugs 220 are disposed in a "clasping structure". When the plug 100 is connected to the terminal 200, one end of the plug 100 extends into the "embracing structure" formed by the two first lugs 220, and then the fixation between the plug 100 and the terminal 200 is achieved by riveting.

Further preferably, in order to further improve the connection strength between the plug 100 and the connection terminal 200 and limit the degree of freedom of the plug 100 in the vertical direction, therefore, two grooves 110 are respectively provided at two sides of one end of the plug 100, when the plug 100 is connected with the connection terminal 200, one end of the plug 100 extends into the "embracing structure" formed by the two first lugs 220, so that the two first lugs 220 are respectively clamped into the corresponding grooves 110, thereby defining the degree of freedom of the plug 100 and the connection terminal 200 in the vertical direction, and further facilitating the riveting precision and the riveting reliability between the two.

Further preferably, the terminal 200 is formed by rolling a steel roll, and the end of the steel roll is overlapped up and down to form a square structure, wherein the overlapped end of the square structure is provided with a threaded hole 230 communicated with the wiring hole 210, and the first lugs 220 at two sides of the terminal 200 are bent from two sides of the steel roll to form a "clasping structure". In addition, the plug 100 in the present embodiment is disposed in a strip structure, i.e. in a shape of "1".

Example two

As shown in fig. 2, the difference between the first embodiment and the second embodiment is that the riveted portion between the plug 100 and the terminal 200 has a different structure, in the first embodiment, although the plug 100 and the terminal 200 are still engaged by concave-convex insertion, the convex portion of the terminal 200 is a convex portion 240, the plug 100 corresponding to the convex portion 240 is provided with a concave hole 120, when the convex portion 240 is engaged with the concave hole 120, the position limitation between the two is completed, and the fixing between the two is realized by riveting technology. In addition, the pins 100 are riveted with the terminals 200 and then distributed in the left and right directions.

EXAMPLE III

As shown in fig. 3, the difference between the present embodiment and the first and second embodiments is that, in the present embodiment, although the plug 100 and the terminal 200 are still connected by riveting, the riveting between the two is realized by a third structural member. That is, the plug 100 is connected to the terminal 200 by the rivet 400, and the plug 100 has a strip structure.

Preferably, as shown in fig. 3, the pins 100 are disposed in a left-right direction after being riveted to the terminals 200.

Further preferably, one end of the plug 100 is provided with a first riveting hole 130, and the connection terminal 200 used in cooperation with the first riveting hole 130 is provided with a second riveting hole 250, wherein one end of the rivet 400 sequentially passes through the second riveting hole 250 and the first riveting hole 130, and the riveting fixation between the two is realized through a riveting gun.

Example four

As shown in fig. 4, the difference between the present embodiment and the three-phase embodiment is that, in the present embodiment, the pins 100 are vertically distributed after being riveted with the connection terminals 200, wherein the pins 100 are arranged in an L-shaped structure.

Preferably, as shown in fig. 4, one end of the plug 100 is provided with a third riveting hole 140, and the connection terminal 200 used in cooperation with the third riveting hole 140 is provided with a fourth riveting hole 260, wherein the rivet 400 passes through the third riveting hole 140 and the fourth riveting hole 260 in sequence, and the rivet is fixed between the third riveting hole 140 and the fourth riveting hole 260 by a riveting gun.

EXAMPLE five

As shown in fig. 5, the difference between the present embodiment and the first embodiment is that, in the present embodiment, the pins 100 are vertically distributed after being riveted with the connection terminals 200, wherein the pins 100 are disposed in an L-shaped structure.

Preferably, as shown in fig. 5, in the first embodiment, two first lugs 220 are disposed on two sides of the terminal 200, and in the present embodiment, two second lugs 150 are disposed on two sides of one end of the plug 100, wherein the two second lugs 150 form a "clasping structure" by bending. When the plug 100 is connected to the connection terminal 200, the two second lugs 150 protrude into the connection holes 210 of the connection terminal 200 to be riveted.

EXAMPLE six

As shown in fig. 6, the difference between the present embodiment and the first and the fifth embodiments is that, in the present embodiment, the pins 100 are disposed in an L-shaped structure and vertically distributed after being riveted with the connection terminal 200, which is the same as the fifth embodiment, but the difference is that two third lugs 270 are disposed on two sides of the connection terminal 200, so as to realize the riveting between the pins 100 and the connection terminal 200.

Although the two third lugs 270 are disposed on the connection terminal 200 in the present embodiment, and are disposed on the same structure (connection terminal 200) as the two first lugs 220 in the first embodiment, the two third lugs 270 are disposed on the lower surface of the connection terminal 200, and the two first lugs 220 are disposed on the side surface of the connection terminal 200 in the first embodiment.

EXAMPLE seven

As shown in fig. 7, the present invention further provides a plug, including: the two shells which are spliced up and down are respectively an upper shell 500 and a lower shell 600, wherein three bolt assemblies 700 are arranged between the upper shell 500 and the lower shell 600, and the three bolt assemblies 700 are respectively an L pole bolt assembly 700, an N pole bolt assembly 700 and an E pole bolt assembly 700; a wire bridge assembly 800 mounted within the housing for positioning the cable within the plug; and a small cover 900 covering the upper case 500 and locking the connection between the small cover 900, the upper case 500, and the lower case 600 by a fastener 1000.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A removable latch assembly, comprising:

a plug (100);

the connecting terminal (200) is riveted or welded with the plug (100), wherein a connecting hole (210) is formed in the connecting terminal (200), and the riveting position or the welding position of the connecting terminal (200) and the plug (100) is positioned outside the connecting hole (210);

and the fastening screw (300) is screwed on the wiring terminal (200), wherein one end of the fastening screw (300) extends into the wiring hole (210) and abuts against the cable inserted in the wiring hole (210).

2. A detachable plug assembly according to claim 1, wherein the plug (100) and the terminal (200) are arranged side to side or up and down after riveting.

3. A removable plug assembly according to claim 1, wherein the riveted connection between the plug (100) and the terminal (200) is provided integrally on the plug (100), integrally on the terminal (200) or separately from the plug (100) and the terminal (200).

4. A detachable plug assembly according to claim 3, characterised in that the plug (100) is a male-female riveting fit with the terminal (200), or the riveting fit is achieved by a third formation.

5. A detachable plug assembly according to claim 2, wherein when the plug (100) and the terminal (200) are disposed in a left-right direction after being riveted, the riveted portion is located at the side of the terminal (200), and the plug is disposed in a strip shape; when the bolt (100) and the wiring terminal (200) are vertically distributed after riveting, the riveting part is positioned at the bottom of the wiring terminal (200), wherein the bolt is arranged in an L-shaped structure.

6. A detachable plug assembly according to claim 4, characterised in that when the riveted structure is integrally provided on the terminal (200), the riveted structure is a lug in a "hugging" configuration, or a boss (240), wherein the lug cooperates with a recess on the plug and the boss cooperates with a recess on the plug.

7. A detachable plug assembly according to claim 4, in which the riveted structure is a lug in a "hugging" configuration when the riveted structure is integrally provided on the plug (100), wherein the lug is riveted to the wall of the wiring hole (210).

8. A detachable plug assembly according to claim 4, wherein the rivet (400) is a rivet when the rivet is separate from the plug (100) and the terminal (200), wherein the rivet (400) is nested with the rivet hole of the plug (100) and the rivet hole of the terminal (200).

9. A detachable plug assembly according to claim 8, characterised in that the riveting direction of the rivet (400) is horizontal or vertical.

10. A plug, comprising: two shells which are spliced up and down, namely an upper shell (500) and a lower shell (600), wherein three plug pin assemblies (700) as claimed in any one of claims 1 to 9 are arranged between the upper shell (500) and the lower shell (600), and the three plug pin assemblies (700) are respectively an L pole plug pin assembly (700), an N pole plug pin assembly (700) and an E pole plug pin assembly (700); the line pressing bridge assembly (800) is arranged in the shell and used for positioning the cable in the plug; and a small cover (900) covering the upper case (500) and locking the connection among the small cover (900), the upper case (500) and the lower case (600) by a fastener (1000).