CN113612064A

CN113612064A - Rotary quick connector for miner's lamp holder

Info

Publication number: CN113612064A
Application number: CN202110899991.1A
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: 2021-11-05

Abstract

The invention relates to a rotary quick connector for a lamp holder of a miner's lamp, which belongs to the technical field of mining equipment and comprises a female connector and a male connector which are matched with each other; a plug is arranged on the outer side of the female head, the female head is arranged on a plug connecting end of the plug, the plug connecting end is provided with an external thread, an equipment body is arranged on the outer side of the male head, a plug interface is arranged on the equipment body, the male head is arranged at the bottom of the plug interface, and the inner wall of the plug interface is provided with an internal thread corresponding to the external thread; the female connector is provided with an annular groove, a female connector conductive contact piece is arranged in the annular groove, a male connector conductive contact piece is arranged on the male connector, and a contact piece bending end is arranged on the male connector conductive contact piece. The contact piece bending end of the male connector of the rotary quick connector for the lamp holder of the miner lamp can rotate in the annular groove of the female connector, and normal electric connection can be still guaranteed in the rotating process, so that the fault tolerance of the butt joint of the male connector and the female connector is improved, the disassembly and the assembly are safer and more reliable, and the beneficial effects are obvious.

Description

Rotary quick connector for miner's lamp holder

Technical Field

The invention relates to a rotary quick connector for a lamp holder of a mine lamp, belonging to the technical field of mining 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 mining equipment with multiple integration, multiple modules and multiple integration is more and more popular.

A miner's lamp for intelligent mine usually at multiple modules such as the inside integrated camera of lamp holder, communication mainboard, test probe, consequently the cable complexity also is higher and higher between equipment, because operating environment is comparatively abominable in the mine, the cable that is used for equipment power supply or information transmission between equipment damages easily. The existing mine lamp holder is usually connected with a mine lamp in a welding mode, when the lamp holder is replaced, all modules need to be detached, cables need to be replaced, and then the modules are welded again, so that the disassembly is inconvenient, the underground lighting condition of the coal mine is poor, and the maintenance difficulty is high. Therefore, how to improve the lamp holder connecting structure of the existing mine lamp so as to improve the convenience degree of maintenance has important significance.

Disclosure of Invention

Therefore, the invention provides the rotary quick connector for the lamp holder of the miner lamp, the annular groove of the female connector is matched with the male connector conductive contact piece of the male connector, the plug outside the female connector is connected with the equipment body outside the male connector through threads, and when a cable connected with the equipment body needs to be replaced, the plug is directly disassembled and assembled in a rotating mode, so that the replacement is very convenient. In order to achieve the above purpose, the invention provides the following technical scheme:

a rotary quick connector for a lamp holder of a miner's lamp comprises a female connector and a male connector which are matched with each other; a plug is arranged on the outer side of the female head, the female head is arranged on a plug connecting end of the plug, the plug connecting end is provided with an external thread, an equipment body is arranged on the outer side of the male head, a plug interface is arranged on the equipment body, the male head is arranged at the bottom of the plug interface, and an internal thread corresponding to the external thread is arranged on the inner wall of the plug interface; 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.

As an improvement of the scheme, one side of the female head, which is far away from the annular groove, is provided with a positioning hole.

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 female contact piece through hole.

As an improvement of the scheme, one end of the female contact piece, which is far away from the terminal of the female contact piece, extends out of the annular groove and extends outwards to form a flange.

As an improvement of the scheme, the edge of the annular groove is provided with a groove opposite to the flanging.

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, 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, the conductive connector is provided with an arc-shaped top surface.

As an improvement of the scheme, the side face of the conductive connector is provided with a conductive elastic sheet.

As an improvement of the above scheme, an external protrusion is arranged on the outer side of the conductive interface; the outer side of the conductive connector is provided with a connector bulge.

The rotary quick connector for the lamp holder of the miner lamp has the following three advantages:

(1) when the connector is used, the female connector is butted with the male connector, the male connector conductive contact piece of the male connector is inserted into the annular groove of the female connector, the bending area can elastically deform after the bending end of the contact piece on the male connector conductive contact piece extends into the annular groove, and the bending end of the contact piece compresses the female connector conductive contact piece in the annular groove through elastic deformation, so that the reliability of electric connection when the female connector and the male connector are contacted is improved;

(2) the plug is arranged on the outer side of the female head, the female head is arranged on a plug connecting end of the plug, the plug connecting end is provided with an external thread, the outer side of the male head is provided with an equipment body, a plug interface is arranged on the equipment body, the inner wall of the plug interface is provided with an internal thread corresponding to the external thread, the plug is in threaded connection with the equipment body, when a cable in the plug is damaged, the plug is directly disassembled and assembled in a rotating mode, the female head and the male head are in connection and match with each other along with the rotating and screwing mode, and the reliability of connection between the female head and the male head cannot be influenced even if the plug is pulled by external force after screwing;

(3) the utility model provides a rotation type quick-operation joint for miner's lamp holder can be used for the miner's lamp holder, makes into the standard component with the joint, helps promoting the standardization of cable connection structure, also can realize the change of plug easily when illumination condition is not good or user's maintenance experience is not enough in the mine, prevents slow-witted effectual to adopt rotation type quick-operation joint's structure in the mine, compare in need with the cable welded traditional replacement method who changes safer, beneficial effect is showing.

Drawings

FIG. 1 is a schematic view of a rotary quick connector for a head of a miner's lamp according to the present invention;

FIG. 2 is a schematic structural view of a rotary quick coupling for a head of a miner's lamp according to the present invention;

FIG. 3 is a schematic view showing the structure of the rotary quick connector for a head of a miner's lamp according to the present invention, in which a female connector and a male connector are engaged with each other;

FIG. 4 is a schematic view of FIG. 3 from below;

FIG. 5 is a schematic structural view of a female head of a rotary quick connector for a head of a miner's lamp according to the present invention;

FIG. 6 is a schematic view of FIG. 5 from below;

FIG. 7 is a schematic view of the internal structure of the female head of the rotary quick coupling for the holder of a miner's lamp according to the present invention;

FIG. 8 is a schematic view of the female portion of the rotary quick coupling for a head of a miner's lamp according to the present invention, as viewed from the side of the annular groove;

FIG. 9 is a schematic view of a female conductive contact piece in a female of a rotary quick connector for a head of a miner's lamp according to the present invention after being fully extended;

FIG. 10 is a schematic structural view of a conductive interface in a female connector of a rotary quick connector for a head of a miner's lamp according to the present invention;

FIG. 11 is a schematic structural view of a male portion of a rotary quick connector for a head of a miner's lamp according to the present invention;

FIG. 12 is a schematic view of FIG. 11 from below;

FIG. 13 is a schematic view showing the internal structure of the male portion of the rotary quick coupling for a head of a miner's lamp according to the present invention;

FIG. 14 is a schematic view of the rotating quick connector for a miner's lamp head of the invention with the male conductive contact piece of the male connector extended;

FIG. 15 is a schematic view of the conductive connection head of the male connector of the rotary quick connector for the head of a miner's lamp according to the present invention.

In the figure: 10-plug, 11-plug connection, 12-plug cable, 20-female, 21-annular groove, 22-female conductive contact, 23-conductive interface, 24-positioning hole, 30-device body, 31-plug interface, 40-male, 41-male interface, 42-male conductive contact, 43-conductive connection, 111-external thread, 211-female contact through hole, 212-bevel, 221-female contact terminal, 222-flange, 231-opening, 232-external protrusion, 234-insection, 311-internal thread, 411-male contact through hole, 421-contact bent end, 422-male contact terminal, 431-arc top surface, 432-conductive elastic sheet, 433 — connector projection.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention 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 invention and that it is not intended to limit the invention 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, 3 and 4, the invention provides a rotary quick connector for a miner's lamp cap, which comprises a female connector 20 and a male connector 40 which are matched with each other; the outer side of the female head 20 is provided with a plug 10, the female head 20 is arranged on a plug connecting end 11 of the plug 10, the plug connecting end 11 is provided with an external thread 111, the outer side of the male head 40 is provided with an equipment body 30, the equipment body 30 is provided with a plug interface 31, the male head 40 is arranged at the bottom of the plug interface 31, and the inner wall of the plug interface 31 is provided with an internal thread 311 corresponding to the external thread 111; the female head 20 is provided with an annular groove 21, the annular groove 21 is internally provided with a female head conductive contact piece 22, 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 end 421 is provided with a plurality of contact piece bending ends 421 which are arranged along the circumferential direction.

Female 20 outside is provided with plug 10, and female 20 sets up on the plug connection end 11 of plug 10, and plug connection end 11 has external screw thread 111, and the public first 40 outside is provided with equipment body 30, has seted up plug interface 31 on the equipment body 30, and public first 40 sets up the bottom position at plug interface 31 downside, and plug interface 31 inner wall has the internal thread 311 that corresponds with external screw thread 111. Plug connection end 11 of plug 10 and plug interface 31 of equipment body 30 can adopt insulating material to make, for example plastics or rubber material, the mode integrated into one piece is adopted except that conductive part in female head 20 and the public head 40 to the part, be provided with plug cable 12 in the plug 10, internal thread 311 of plug interface 31 and external screw thread 111 of plug connection end 11 mutually support, can insert plug connection end 11 in plug interface 31 and screw according to the screw thread direction of rotation during the use, female head 20 and public head 40 joint gradually at the in-process of screwing, can realize the installation of the rotation type quick-operation joint of this application.

In order to ensure that the plug 10 can drive the female head 20 to rotate together in the rotating process, a positioning hole 24 may be formed in a side of the female head 20 away from the annular groove 21, a positioning protrusion (not shown in the figure) that is matched with the positioning hole 24 is provided on the plug connecting end 11, and the number of the positioning holes 24 may be designed as required, for example, a structure of four positioning holes 24 may be adopted.

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. 9 and 14, 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 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.

As shown in fig. 5, 6 and 7, the female contact 20 is provided with an annular groove 21, the female conductive contact 22 is disposed inside the annular groove 21, the bottom of the annular groove 21 is provided with a female contact through hole 211, and the female conductive contact 22 is provided with a female contact terminal 221 passing through the female contact through hole 211. 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.

As shown in fig. 11, 12 and 13, the male connector 40 has a male connector 41 on a side close to 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 may be connected to a cable and a line within the device, respectively, to complete 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. The edge of the annular groove 21 has a bevel 212 opposite to the flange 222, and the bevel 212 functions similarly to the flange 222 and is used for guiding the bent end 421 of the contact piece to reduce the friction resistance of the bent end 421 of the contact piece entering the annular groove 21.

As shown in fig. 7, 10 and 15, 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 cables and lines in the device, 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. The outer side of the conductive connector 43 is provided with a connector protrusion 433, and the connector protrusion 433 is used to improve the reliability of the connection between the conductive connector 43 and the male connector 40.

As shown in fig. 8, 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. 10, 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 outside the conductive interface 23, and an insection 234 may be disposed on an outer surface 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.

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 invention as claimed.

Claims

1. A rotary quick connector for a miner's lamp holder comprises a female connector (20) and a male connector (40) which are matched with each other; the method is characterized in that: a plug (10) is arranged on the outer side of the female head (20), the female head (20) is arranged on a plug connecting end (11) of the plug (10), the plug connecting end (11) is provided with an external thread (111), an equipment body (30) is arranged on the outer side of the male head (40), a plug interface (31) is arranged on the equipment body (30), the male head (40) is arranged at the bottom of the plug interface (31), and an internal thread (311) corresponding to the external thread (111) is arranged on the inner wall of the plug interface (31); female first (20) are gone up and have been seted up ring channel (21), ring channel (21) inside is provided with female first conductive contact piece (22), be provided with public first conductive contact piece (42) on public first (40), have on public first conductive contact piece (42) can stretch into ring channel (21) and contact piece bending end (421) with female first conductive contact piece (22) contact, contact piece bending end (421) have a plurality ofly, and arrange along the circumferencial direction between a plurality of contact piece bending end (421).

2. The rotary quick coupling for the holder of miner's lamp as claimed in claim 1, wherein said female coupling (20) has a positioning hole (24) formed on a side thereof facing away from said annular groove (21).

3. The rotary quick connector for the holder of miner's lamp as claimed in claim 1, wherein said annular groove (21) is formed at the bottom with a female contact piece through hole (211), and said female conductive contact piece (22) is formed with a female contact piece terminal (221) passing through the female contact piece through hole (211).

4. The rotary quick connector for a miner's lamp head as claimed in claim 3, wherein an end of said female conductive contact piece (22) remote from said female contact piece terminal (221) extends out of said annular groove (21) and outwardly to form a flange (222).

5. The rotary quick connector for miner's lamp head as claimed in claim 4, wherein the edge of the annular groove (21) has a groove (212) opposite to the flange (222).

6. The rotary quick connector for the miner's lamp head as claimed in claim 1, wherein the male connector (40) has a male connector (41) on a side thereof near the bent end (421) of the contact, a male contact through hole (411) is formed at a bottom of the male connector (41), and a male contact terminal (422) is formed on an end of the male conductive contact (42) far from the bent end (421) of the contact.

7. The rotary quick connector for the holder of the miner's lamp as claimed in claim 1, wherein a conductive interface (23) is provided at the center of the annular groove (21) of the female connector (20), the conductive interface (23) has an opening (231), and the male connector (40) is provided with a conductive connector (43) which is matched with the opening (231).

8. The rotary quick connector for miner's lamp head as claimed in claim 7, wherein said conductive connector (43) has an arc top surface (431).

9. The rotary quick connector for the miner's lamp head as claimed in claim 7, wherein the conductive connector (43) is provided with a conductive elastic sheet (432) at the side.

10. The rotary quick connector for the holder of miner's lamp as claimed in claim 7, wherein an external protrusion (232) is provided on the outside of said conductive interface (23); and a connector projection (433) is arranged on the outer side of the conductive connector (43).