CN217134791U

CN217134791U - Floating blind-mate explosion-proof two-core power plug with long service life

Info

Publication number: CN217134791U
Application number: CN202220863700.3U
Authority: CN
Inventors: 刘文杰; 刘国川; 陈庆全; 孙秀云; 杨宗亮; 李亚男
Original assignee: Linyi Haina Electronics Co ltd
Current assignee: Linyi Haina Electronics Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-05
Anticipated expiration: 2032-04-13

Abstract

The utility model relates to an electric connector technical field discloses an explosion-proof two-core power plug of blind plug that floats of high life, including base, plug support and plug sheath, the base four corners is through countersunk screw fixed positioning seat, plug sheath middle part is provided with eight contact piece bodies, contact piece body lower part all sets up at the inboard middle part of plug sheath through the locating pin. The utility model discloses in, the plug subassembly part can be in the certain limit free activity, can realize the floating blind insertion of plug, the plug sheath plays guiding orientation in plug process, the not impaired effect of protection plug subassembly, good insulating nature and explosion-proof function have simultaneously, the contact piece body adopts biplate elasticity compact structure, improve the intensity and the life of contact piece body, can also let the plug softer when lightening the wearing and tearing of contact piece body, it is parallelly connected to each pair of contact piece body adoption circuit, with reliability and withstand voltage that the improvement power is connected, and long service life.

Description

Floating blind-mate explosion-proof two-core power plug with long service life

Technical Field

The utility model relates to an electric connector technical field especially relates to a floating blind-mate explosion-proof two-core power plug of high life.

Background

The power socket and the plug are different in shape, grade, size and kind according to the region of the country, and the power plug mainly provides or communicates the power supply function for the equipment or the circuit, and the most central of the power socket and the plug is the contact.

At present, the plugging and unplugging process of a two-core power plug of domestic detection equipment is manually finished, so that the efficiency is low, and the plugging and unplugging process is mostly hard contact of metal contact pieces; short service life, easy poor electric contact and no effective explosion-proof protection function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a long-life floating blind-plug explosion-proof two-core power plug.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an explosion-proof two-core power plug of blind plugging that floats of high life, includes base, plug support and plug sheath, the base four corners is through countersunk screw fixed positioning seat, plug sheath middle part is provided with eight contact piece bodies, contact piece body lower part all sets up at the inboard middle part of plug sheath through the locating pin, the inboard upper portion of base is provided with the positioning seat.

As a further description of the above technical solution:

and a plug support is arranged on the left side of the base.

As a further description of the above technical solution:

the lower parts of the four corners of the plug sheath are arranged at the upper end of the guide rod.

As a further description of the above technical solution:

the base middle part four corners is provided with the guide bar, the guide bar periphery is established and is had the spring of increaseing.

As a further description of the above technical solution:

and three contact piece springs are arranged at the upper part of each contact piece body.

As a further description of the above technical solution:

front and rear plug insulators are arranged in the positioning seat, and sliding sheets are arranged on the lower portions of the front and rear plug insulators.

As a further description of the above technical solution:

and a wire clamp is arranged at the lower part of the plug support.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the plug subassembly part can be in the certain limit free activity, can realize the floating blind plug of plug, the plug sheath plays guiding orientation in plug process, the not impaired effect of protection plug subassembly, good insulating nature and explosion-proof function have simultaneously, the contact piece body adopts biplate elasticity compact structure, intensity and the life of contact piece body can be improved to this kind of structure, can also let the plug softer when alleviateing the wearing and tearing of contact piece body, it is parallelly connected to take the circuit to each pair of contact piece body, with reliability and withstand voltage that improve the power connection, and long service life, through authority experimental verification, this power plug can realize 10 ten thousand plugs.

Drawings

Fig. 1 is a perspective view of a long-life floating blind-mate explosion-proof two-core power plug provided by the utility model;

fig. 2 is the utility model provides a cross-sectional view of the explosion-proof two-core power plug of unsteady blind plug of high life.

Illustration of the drawings:

1. a plug holder; 2. a contact piece body; 3. a plug sheath; 4. a height-adjusting spring; 5. countersunk head screws; 6. a base; 7. a contact piece spring; 8. positioning pins; 9. a guide bar; 10. front and rear plug insulators; 11. positioning seats; 12. sliding blades; 13. and (4) wire clamping.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a long-life floating blind-mating explosion-proof two-core power plug comprises a base 6, a plug support 1 and a plug sheath 3, wherein four corners of the base 6 are fixed with positioning seats 11 through countersunk screws 5, the middle part of the plug sheath 3 is provided with eight contact piece bodies 2, the number of the contact piece bodies 2 is eight, the contact piece bodies are divided into two groups which are respectively and symmetrically arranged, one group is connected in parallel at the power input end, the other group is connected in parallel at the power input end, the lower parts of the contact piece bodies 2 are all arranged at the middle part of the inner side of the plug sheath 3 through the positioning pins 8, the upper part of the inner side of the base 6 is provided with the positioning seat 11, in conclusion, the plug sheath 3 can guide and adjust the plug contact piece bodies 2 to be aligned with the socket insertion pieces, meanwhile, the plug sheath 3 is embedded with the socket shell, the plug is continuously pushed, the height-adjusting spring 4 is compressed, the front plug insulator 10 and the rear plug insulator 10 penetrate into the bottom of the inner cavity of the socket, and the contact piece body 2 in the plug is in contact with and tightly pressed with the insertion piece of the inner cavity of the socket; finishing floating blind plugging; after the detection is finished, the PLC is electrically controlled to drive the power plug assembly to be pulled outwards, the heightening spring 4 automatically stretches along with the gradual pulling-out of the inner cavity of the socket by the front plug insulator 10 and the rear plug insulator 10 until the plug sheath 3 is separated from the socket shell, the heightening spring 4 pushes the plug sheath 3 to recover the original position, the plug component part can freely move within a certain range, the floating blind plugging of the plug can be realized, the plug sheath plays a role in guiding and positioning in the plug plugging and unplugging process and protecting the plug component from being damaged, and has good insulating property and explosion-proof function at the same time, the contact piece bodies adopt a double-piece elastic pressing structure, the structure can improve the strength and the service life of the contact piece bodies, the plugging and unplugging can be softer while the abrasion of the contact piece bodies is reduced, each pair of contact piece bodies adopt parallel circuits to improve the reliability and withstand voltage of power connection, and prolong the service life, through the test verification of an authority mechanism, the power plug can be plugged and unplugged for 10 ten thousand times.

The left side of a base 6 is provided with a plug support 1, the plug support 1 is fixed on a prefabricated guide rail (the guide rail is provided with an adjusting height), the plug support is inserted (or extracted) through the propulsion of a PLC electrical control power plug assembly, the lower parts of four corners of a plug sheath 3 are all arranged at the upper end of a guide rod 9, the guide rod 9 is used for fixing a height-adjusting spring 4, the four corners of the middle part of the base 6 are provided with the guide rods 9, the periphery of the guide rod 9 is provided with the height-adjusting spring 4, after a front plug insulator 10 and a rear plug insulator 10 are gradually extracted from an inner cavity of a socket, the height-adjusting spring 4 automatically extends until the plug sheath 3 is separated from the socket shell, the height-adjusting spring 4 pushes the plug sheath 3 to recover the original position, the upper part of each contact piece body 2 is provided with three contact piece springs 7, the contact piece springs 7 enable the contact piece bodies 2 to be in contact with insertion pieces in the inner cavity of the socket and tightly, the front plug insulator 10 and the rear plug insulator are arranged in a positioning seat 11, the lower parts of the front plug insulator 10 and the rear plug insulator 10 are provided with sliding pieces 12, the front plug insulator 10 and the rear plug insulator 10 can freely move on the upper surfaces of the sliding pieces 12 in the positioning seats 11 except for protecting the contact piece bodies 2 and playing an insulating role, and the lower part of the plug support 1 is provided with a wire clamp 13 for fixing wires.

The working principle is as follows: the plug sheath 3 can guide and adjust the plug contact piece body 2 to be aligned with the socket insert, meanwhile, the plug sheath 3 is embedded with the socket shell, the plug is continuously pushed, the height-adjusting spring 4 is compressed, the front plug insulator 10 and the rear plug insulator 10 are deeply inserted into the bottom of the socket inner cavity, and the contact piece body 2 in the plug is contacted and pressed with the insert of the socket inner cavity; finishing floating blind plugging; after the detection is finished, the PLC is electrically controlled to drive the power plug assembly to be pulled outwards, the heightening spring 4 automatically stretches along with the front plug insulator 10 and the rear plug insulator 10 gradually pulled out of the inner cavity of the socket until the plug sheath 3 is separated from the socket shell, and the heightening spring 4 pushes the plug sheath 3 to recover the original position.

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 scope of the invention.

Claims

1. The utility model provides an explosion-proof two-core power plug of blind plugging that high life floats, includes base (6), plug support (1) and plug sheath (3), its characterized in that: the plug is characterized in that the four corners of the base (6) are fixed with the positioning seats (11) through countersunk screws (5), eight contact piece bodies (2) are arranged in the middle of the plug sheath (3), the lower parts of the contact piece bodies (2) are arranged in the middle of the inner side of the plug sheath (3) through positioning pins (8), and the positioning seats (11) are arranged on the upper part of the inner side of the base (6).

2. The long-life floating blind-mate explosion-proof two-core power plug according to claim 1, wherein: the left side of the base (6) is provided with a plug bracket (1).

3. The long-life floating blind-mate explosion-proof two-core power plug according to claim 1, wherein: the lower parts of four corners of the plug sheath (3) are arranged at the upper ends of the guide rods (9).

4. The long-life floating blind-mate explosion-proof two-core power plug according to claim 1, wherein: guide rods (9) are arranged at four corners of the middle of the base (6), and height-adjusting springs (4) are arranged on the periphery of the guide rods (9).

5. The long-life floating blind-mate explosion-proof two-core power plug according to claim 1, wherein: and three contact piece springs (7) are arranged at the upper part of each contact piece body (2).

6. The long-life floating blind-mate explosion-proof two-core power plug according to claim 1, wherein: front and rear plug insulators (10) are arranged in the positioning seat (11), and sliding sheets (12) are arranged on the lower portions of the front and rear plug insulators (10).

7. The long-life floating blind-mate explosion-proof two-core power plug according to claim 1, wherein: and a wire clamp (13) is arranged at the lower part of the plug support (1).