CN215933876U

CN215933876U - Quick plug for mine lamp cable

Info

Publication number: CN215933876U
Application number: CN202121837134.0U
Authority: CN
Inventors: 付志勇; 安红涛; 马朋飞; 景杰
Original assignee: Shanghai Sany Electronic Technology Co ltd
Current assignee: Shanghai Sany Electronic Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-01
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to a quick plug for a mine lamp cable, which belongs to the technical field of mining equipment and comprises a female head and a male head which are matched with each other, wherein an annular groove is formed in the female head, a female head conductive contact piece is arranged in the annular groove, a male head conductive contact piece is arranged on the male head, a contact piece bending end which can extend into the annular groove and is in contact with the female head conductive contact piece is arranged on the male head conductive contact piece, and a plurality of contact piece bending ends are arranged along the circumferential direction. When the quick plug for the mine lamp cable is used, the female head is butted with the male head, the bent ends of the contact pieces on the conductive contact pieces of the male head can extend into the annular groove, and the bent ends of the plurality of contact pieces are arranged along the circumferential direction, so that the female head and the male head can still ensure normal electric connection even if the female head and the male head rotate, the fault tolerance when the male head and the female head are butted is improved, the quick plug is very convenient to disassemble and assemble, and the quick plug has remarkable beneficial effects.

Description

Quick plug for mine lamp cable

Technical Field

The utility model relates to a quick plug for a mine lamp cable, and belongs to the technical field of mine equipment.

Background

The intelligent mine is characterized in that new generation information technologies such as cloud computing, big data, 5G and the Internet of things are deeply integrated with the production process of the mine, and self-planning, self-sensing, self-decision and self-operation of links such as mine design, tunneling, mining, transportation and lifting are realized, so that the production rate and economic benefit of the mine are improved, and the production of the mine is maintained at the optimal state and the optimal level through dynamic real-time monitoring of the production process. With the requirements of intelligent mines becoming more and more clear, the intelligent mine lamps with multiple integration, multiple modules and multiple integration become more and more popular.

The intelligent miner lamp is characterized in that a camera, a communication main board, a detection probe and other modules are usually integrated in a lamp cap, a miner lamp cable belongs to a part which is easy to damage, and the replacement frequency is high. When the existing cable is replaced, all modules need to be detached, the detachment is inconvenient, the underground lighting condition of the coal mine is poor, and the maintenance difficulty is high. Therefore, how to improve the existing mine lamp cable structure has important significance for reducing the replacement difficulty of maintenance personnel and improving the replacement speed.

Disclosure of Invention

Therefore, the utility model provides the quick plug for the mine lamp cable, the bent end of the contact piece of the male conductive contact piece can rotate in the annular groove through the mutual matching of the annular groove of the female head and the male conductive contact piece of the male head, the connection between the mine lamp cable and the mine lamp can be realized by butting the female head and the male head during installation, and the quick plug is convenient to use. In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a miner's lamp is fast plug for cable, is including female head and public head of mutually supporting, female overhead ring channel has been seted up, the inside female first conductive contact piece that is provided with of ring channel, public overhead public first conductive contact piece that is provided with, public first conductive contact piece have can stretch into in the ring channel and with the contact piece bending end of female first conductive contact piece contact, the contact piece bending end has a plurality ofly, and a plurality of contact piece bending end arranges along the circumferencial direction.

As an improvement of the scheme, the bottom of the annular groove is provided with a female contact piece through hole, and the female conductive contact piece is provided with a female contact piece wiring end penetrating through the through hole.

As an improvement of the scheme, two female contact piece wiring ends are uniformly distributed on the same female contact piece.

As an improvement of the above scheme, a male connector is arranged on one side of the male connector close to the bending end of the contact piece, a male contact piece through hole is formed in the bottom of the male connector, and a male contact piece wiring end is arranged on one end of the male conductive contact piece far away from the bending end of the contact piece.

As an improvement of the scheme, four contact piece bending ends and two male contact piece wiring ends are uniformly distributed on the same male conductive contact piece.

As an improvement of the scheme, the center of the annular groove of the female head is provided with a conductive interface, the conductive interface is provided with an opening, and the male head is provided with a conductive connector matched with the opening.

As an improvement of the scheme, an external bulge is arranged on the outer side of the conductive interface.

As a modification of the above, the outer convex outer surface has insections.

As an improvement of the above scheme, the number of the annular grooves on the female head is two or more, and the number of the female head conductive contact pieces and the male head conductive contact pieces is consistent with the number of the annular grooves.

When the quick plug for the mine lamp cable is used, the female head is butted with the male head, the male head conductive contact piece of the male head is inserted into the annular groove of the female head, the bending area can elastically deform after the bending end of the contact piece on the male head conductive contact piece extends into the annular groove, and the bending end of the contact piece compresses the female head conductive contact piece in the annular groove through elastic deformation, so that the reliability of electric connection when the female head is contacted with the male head is improved.

Drawings

FIG. 1 is a schematic structural view of a quick plug for a cable of a miner's lamp according to the present invention;

FIG. 2 is a schematic view of the internal structure of the female plug of the quick plug for a cable of a miner's lamp according to the present invention;

FIG. 3 is a schematic view of the female portion of the quick connector for a mine lamp cable according to the present invention, as viewed from the side of the annular groove;

FIG. 4 is a schematic view of a female connector conductive contact piece in a female connector of a quick plug for a mine lamp cable according to the present invention after being completely unfolded;

FIG. 5 is a schematic structural diagram of a conductive interface in a female plug of a fast plug for a cable of a miner's lamp according to the present invention;

FIG. 6 is a schematic view showing the internal structure of the male plug of the quick plug for a cable of a miner's lamp according to the present invention;

FIG. 7 is a schematic view of the male conductive contact piece of the male of the quick plug for a miner's lamp cable according to the present invention after being unfolded;

FIG. 8 is a schematic structural view of a conductive connector of a male plug of a fast plug for a mine lamp cable according to the present invention;

fig. 9 is a schematic view showing a fast plug for a cable of a miner's lamp according to the present invention when it is used in a miner's lamp.

In the figure: 10-plug, 11-plug connection end, 12-plug cable, 20-female, 21-annular groove, 22-female conductive contact piece, 23-conductive interface, 30-miner's lamp body, 31-plug interface, 40-male, 41-male interface, 42-male conductive contact piece, 43-conductive connection head, 111-external thread, 211-female contact piece through hole, 221-female contact piece terminal, 222-flanging, 231-opening, 232-external protrusion, 234-insection, 311-internal thread, 411-male contact piece through hole, 421-contact piece bent end, 422-male contact piece terminal, 431-arc top surface, 432-conductive elastic piece.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "inner" and "outer" are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship therebetween may be made without substantial changes in the technical content.

In the description of the embodiments that follow, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and the like are to be construed broadly and include, for example, "connected" that may be either fixedly connected or detachably connected, or integrally formed; may be a mechanical, plumbing, or electrical connection, may be indirectly connected through intervening media, may be internal to two elements, or may be in an interactive relationship with two elements, unless expressly defined otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, 2 and 6, the utility model provides a quick plug for a mine lamp cable, which comprises a female head 20 and a male head 40 which are matched with each other, wherein the female head 20 is provided with an annular groove 21, a female head conductive contact piece 22 is arranged in the annular groove 21, the male head 40 is provided with a male head conductive contact piece 42, the male head conductive contact piece 42 is provided with a contact piece bending end 421 which can extend into the annular groove 21 and is contacted with the female head conductive contact piece 22, and the contact piece bending ends 421 are provided with a plurality of contact piece bending ends 421 which are arranged along the circumferential direction.

The number of the contact piece bent ends 421 on the male conductive contact piece 42 corresponding to the annular groove 21 may be plural. For example, one male conductive contact 42 may adopt a structure design with four contact bending ends 421, and the larger the number of the contact bending ends 421, the larger the contact area when contacting with the female conductive contact 22, the better the reliability of the electrical connection. The contact piece bent end 421 is deformed by being pressed by the inner wall of the annular groove 21 after extending into the annular groove 21, and the contact piece bent end 421 presses the female conductive contact piece 22 under the action of the deformation restoring force, so that the male conductive contact piece 42 is reliably connected with the female conductive contact piece 22.

After the female conductive contact piece 22 and the male conductive contact piece 42 are unfolded, as shown in fig. 4 and 7, the female conductive contact piece 22 and the male conductive contact piece 42 can be punched into a sheet structure, and then bent into a contact piece with an annular structure corresponding to the annular groove 21, and even if the female head 20 and the male head 40 rotate relatively, the contact pieces with the annular structure can also ensure the reliability of electrical connection after being contacted with each other. After the male conductive contact piece 42 is bent into an annular shape corresponding to the annular groove 21, the plurality of contact piece bent ends 421 on the male conductive contact piece 42 are distributed along the circumferential direction, and the contact piece bent ends 421 are bent into an inverted V-shaped structure, so that the contact piece bent ends 421 can contact with the female conductive contact piece 22 and gradually compress the contact piece in the process of rotating along with the male contact 40.

The female contact 20 is provided with an annular groove 21, a female conductive contact piece 22 is arranged in the annular groove 21, a female contact piece through hole 211 is arranged at the bottom of the annular groove 21, and a female contact piece terminal 221 penetrating through the female contact piece through hole 211 is arranged on the female conductive contact piece 22. The number of female contact terminals 221 on the female conductive contact 22 can be designed as desired, for example, two female contact terminals 221 can be used. The male connector 40 has a male connector 41 on a side thereof near the contact bending end 421, a male contact through hole 411 is formed at the bottom of the male connector 41, and a male contact terminal 422 is formed on the male conductive contact 42. The number of male contact terminals 422 may also be designed as desired, for example, two male contact terminals 422 may be used. The female contact terminal 221 and the male contact terminal 422 can be connected to the cable and the line in the miner's lamp, respectively, thereby achieving the connection of the circuit.

The end of the female conductive contact piece 22 far from the female contact piece terminal 221 extends out of the annular groove 21 and extends outwards to form a flange 222, and the flange 222 can guide the contact piece bent end 421 when contacting with the contact piece bent end 421, so that the friction resistance when the contact piece bent end 421 just contacts with the female conductive contact piece 22 is reduced.

As shown in fig. 5 and 8, in order to improve the reliability of the electrical connection when the female connector 20 and the male connector 40 are in contact, a conductive interface 23 may be disposed at the center of the annular groove 21 of the female connector 20, the conductive interface 23 has an opening 231, the male connector 40 is provided with a conductive connector 43 matching with the opening 231, both the conductive interface 23 and the conductive connector 43 are made of conductive materials, and the conductive interface 23 and the conductive connector 43 are also connected to the cables and the lines in the mine lamp, respectively. The conductive interface 23 and the conductive connector 43 serve two functions: firstly, the conductivity of the female head 20 and the male head 40 can be improved; secondly, the conductive connector 23 is located at the center of the annular groove 21, and in the relative rotation process of the female head 20 and the male head 40, the conductive connector 43 inserted into the conductive connector 23 can rotate along with the male head 40, so that the reliability of the relative rotation process of the female head 20 and the male head 40 is improved. In order to facilitate the insertion of the conductive contact 43 into the opening 231 of the conductive interface 23, the conductive contact 43 has an arcuate top surface 431. The conductive elastic sheet 432 is disposed on the side surface of the conductive connector 43, and after the conductive connector 43 is inserted into the opening 231 of the conductive interface 23, the conductive elastic sheet 432 is elastically deformed and presses the inner wall of the opening 231, so that the conductive connector 43 and the conductive interface 23 are firmly connected together.

As shown in fig. 3, the conductive interface 23 is provided with insections 234 on the outer side, and the insections 234 can increase the friction force between the conductive interface 23 and the female head 20, so that the conductive interface 23 is more firmly connected to the female head 20. As shown in fig. 5, in order to further improve the firmness of the connection between the conductive interface 23 and the female terminal 20, an external protrusion 232 may be disposed on the outer side of the conductive interface 23, and an insection 234 may be disposed on the outer side of the external protrusion 232.

In the above scheme, the number of the annular grooves 21 on the female head 20 is two or more, and the number of the female head conductive contact pieces 22 and the male head conductive contact pieces 42 is the same as the number of the annular grooves 21. The number of the annular grooves 21 can be designed according to needs, when a structure of a plurality of annular grooves 21 is adopted, a plurality of female conductive contact pieces 22 are also arranged, and the plurality of female conductive contact pieces 22 are connected in parallel, so that the whole circuit is still connected even if part of the female conductive contact pieces 22 fail; a plurality of male conductive contact strips 42 are also arranged in parallel.

As shown in fig. 9, a plug 10 is disposed outside the female connector 20, the female connector 20 is disposed on a plug connection end 11 of the plug 10, the plug connection end 11 has an external thread 111, a mine lamp body 30 is disposed outside the male connector 40, a plug connector 31 is disposed on the mine lamp body 30, the male connector 40 is disposed at a bottom position of a lower side of the plug connector 31, and an internal thread 311 corresponding to the external thread 111 is disposed on an inner wall of the plug connector 31. The plug connecting end 11 of the plug 10 and the plug interface 31 of the miner's lamp body 30 can be made of insulating materials, such as plastics or rubber materials, the parts except for the conductive parts in the female plug 20 and the male plug 40 are integrally formed in an injection molding mode, the plug cable 12 is arranged in the plug 10, the internal thread 311 of the plug interface 31 and the external thread 111 of the plug connecting end 11 are matched with each other, the plug connecting end 11 can be inserted into the plug interface 31 and screwed according to the thread rotating direction during use, the female plug 20 and the male plug 40 are gradually jointed in the screwing process, and the installation of the quick plug for the miner's lamp cable can be achieved.

Although the present invention has been described in detail hereinabove with reference to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made to the embodiments of the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a miner's lamp is fast plug for cable, is including female head and the public head of mutually supporting, its characterized in that: the female overhead ring channel of having seted up of ring channel, the inside female first conductive contact piece that is provided with of ring channel, public overhead public first conductive contact piece that is provided with, public first conductive contact piece have can stretch into in the ring channel and with the contact piece bending end of female first conductive contact piece contact, the contact piece bending end has a plurality ofly, and arrange along the circumferencial direction between a plurality of contact piece bending ends.

2. The quick plug for a mine lamp cable as claimed in claim 1, wherein the bottom of the annular groove is formed with a female contact piece through hole, and the female contact piece has a female contact piece terminal passing through the through hole.

3. The quick plug for a miner's lamp cable of claim 2 wherein two female contact tab terminals are evenly distributed on the same female conductive contact tab.

4. The quick plug for a mine lamp cable as claimed in claim 1, wherein the male connector has a male connector at a side thereof near the bent end of the contact piece, a male contact through hole is formed at a bottom of the male connector, and a male contact terminal is formed at an end of the male conductive contact piece remote from the bent end of the contact piece.

5. The quick plug for a miner's lamp cable as in claim 4, wherein four bent contact piece ends and two male contact piece terminals are uniformly distributed on the same male conductive contact piece.

6. The quick plug for mine lamp cable according to claim 1, wherein the annular groove of the female head is centrally provided with a conductive interface having an opening, and the male head is provided with a conductive connector fitting with the opening.

7. The quick plug for a mine lamp cable as claimed in claim 6, wherein an outer protrusion is provided outside the conductive interface.

8. The quick plug for a miner's lamp cable of claim 7, wherein the outer convex outer surface has insections.

9. The quick plug for a miner's lamp cable as claimed in claim 1, wherein the number of the annular grooves on the female head is two or more, and the number of the female head conductive contact pieces and the male head conductive contact pieces is the same as the number of the annular grooves.