CN209730359U - A self-short-circuit electrical connector - Google Patents

Abstract

The utility model discloses one kind from short-circuit electric connector, including socket, plug, connection ring, is shorted block and nut.Socket includes the Socket casing being successively arranged from outside to inside, socket insulator and several contact pins；Plug includes the plug casing being successively arranged from outside to inside, plug insulator and several jack parts, and the rear end of each jack part is connected with the short circuit block, is not in contact with each other between each short circuit block, and each block that is shorted is connected in the rear end face of plug casing.Nut is metal nut, and with blind hole screw hole, to be screwed in the rear end of plug casing, when it is tightened, bottom hole is contacted with each short circuit block.Connection ring rotates the front end for being set in plug casing, and internal chamber wall is equipped with one of helicla flute, and the front end of Socket casing is provided with the bail corresponding to helicla flute.The design of the utility model contact pin and jack part with it is structurally reasonable, easy to operate, have short-circuit function self-protection and good air-tightness.

Description

A self-short-circuit electrical connector

technical field

The utility model relates to the field of electric connection, in particular to a self-short circuit electric connector.

Background technique

Electrical connectors are widely used for circuit connection between various electrical equipment. Most of the existing common electrical connectors basically use one part to be fixed and the other part to move freely. After the two parts are mated, the internal contacts contact each other to realize the transmission of current and signals between the parts.

The above-mentioned existing electrical connectors are convenient to use and easy to operate, and can be used in a certain space for signal transmission. However, in some special space connection occasions, the electrical connector is required to have a self-short circuit function to enhance system security. However, this type of ordinary connector cannot meet the requirements of use, and there are certain defects in use.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and provide a self-short circuit electrical connector.

In order to achieve the above object, the utility model adopts the following technical solutions:

A self-short-circuit electrical connector, including a socket, a plug, a connecting ring, a shorting block, and a nut; the socket includes a socket housing, a socket insulator, and a plurality of pins that are sequentially sleeved from the outside to the inside; the plug includes The plug housing, plug insulator and several socket parts are set sequentially from the outside to the inside. The rear end of each socket part is connected with the shorting block. The shorting blocks do not touch each other, and the shorting blocks touch each other. On the rear end face of the plug housing; the nut is a metal nut with a blind screw hole to be screwed on the rear end of the plug housing. When it is screwed tightly, its hole The bottom is in contact with each shorting block; the connecting ring is rotatably set on the front end of the plug housing, and a spiral groove is provided on the inner cavity wall, and the front end of the socket housing is provided with a spiral groove corresponding to the staples.

Further, the socket insulator includes a pin insulator, a first sealing ring, and a first pressure plate that are sleeved on the pins from front to back, and the inner cavity of the socket housing is provided with a The first clamping platform at the front end of the insulator and the first retaining ring defining the rear end of the first pressure plate; the plug insulator includes a socket insulator and a second sealing ring that are sleeved on the socket from front to back and a second pressure plate, the inner cavity of the socket housing is provided with a second clamping platform defining the front end of the socket insulator and a second retaining spring defining the rear end of the second pressure plate.

Further, the front end of the first card table is provided with a third sealing ring, and when the plug housing is plugged into place in the socket housing, the front end of the plug housing abuts against the third sealing ring. on the sealing ring.

Further, the inner cavity of the connecting ring is a stepped hole with a small front and a large rear, and a third snap ring is provided at the rear end of the large hole of the stepped hole; a third clip is provided on the outer cylindrical surface of the plug housing. platform, the third card platform is located between the hole bottom of the large hole and the third clamp spring, and the outer cylindrical surface of the plug housing is also covered with a spring and a retaining ring located on the rear side of the spring, The spring and retaining ring are located between the third clamping platform and the third clamping ring.

Further, the shorting block is riveted to the rear end of the socket member.

A self-short-circuit electrical connector, comprising a socket, a plug, a connecting ring, a shorting block, and a nut; the plug includes a plug shell, a plug insulator, and a socket set sequentially from the outside to the inside; the socket includes The socket shell, socket insulator and several pins are set sequentially from the outside to the inside. The rear end of each pin is connected to the shorting block, and the shorting blocks do not touch each other. The rear end face of the socket housing; the nut is a metal nut with a blind screw hole to be screwed on the rear end of the socket housing. When it is tightened, the bottom of the hole and the The shorting blocks are in contact; the connecting ring is rotatably set on the front end of the plug housing, and a spiral groove is provided on the inner cavity wall, and the front end of the socket housing is provided with a card corresponding to the spiral groove. nail.

Further, the socket insulator includes a pin insulator, a first sealing ring, and a first pressure plate that are sleeved on the pins from front to back, and the inner cavity of the socket housing is provided with a The first clamping platform at the front end of the insulator and the first retaining ring defining the rear end of the first pressure plate; the plug insulator includes a socket insulator and a second sealing ring that are sleeved on the socket from front to back and a second pressure plate, the inner cavity of the socket housing is provided with a second clamping platform defining the front end of the socket insulator and a second retaining spring defining the rear end of the second pressure plate.

Further, the front end of the first card table is provided with a third sealing ring, and when the plug housing is plugged into place in the socket housing, the front end of the plug housing abuts against the third sealing ring. on the sealing ring.

Further, the inner cavity of the connecting ring is a stepped hole with a small front and a large rear, and a third snap ring is provided at the rear end of the large hole of the stepped hole; a third clip is provided on the outer cylindrical surface of the plug housing. platform, the third card platform is located between the hole bottom of the large hole and the third clamp spring, and the outer cylindrical surface of the plug housing is also covered with a spring and a retaining ring located on the rear side of the spring, The spring and retaining ring are located between the third clamping platform and the third clamping ring.

Further, the shorting block is riveted to the rear end of the pin.

After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

1. The utility model is equipped with a short-circuit block and a nut. When connecting the plug and the socket, if the nut is tightened, the short-circuit state will be quickly realized; if the nut is loosened, the short-circuit state will be released, and the protection state;

2. The utility model improves the insulators of plugs and sockets, and adopts segmented design, which is easy to assemble. At the same time, sealing rings are set in the two sections of insulators, which not only strengthens the electrical seal, but also eliminates the retaining spring due to its compressibility The possible assembly effects caused by position errors and errors in the processing of the insulator itself.

Description of drawings

Fig. 1 is the general assembly schematic diagram of the utility model embodiment one;

Fig. 2 is a schematic diagram of the socket structure of Embodiment 1 of the utility model;

Fig. 3 is a schematic diagram of the plug structure of Embodiment 1 of the present utility model;

Fig. 4 is the general assembly schematic diagram of the second embodiment of the utility model;

Fig. 5 is a schematic diagram of the structure of the socket according to the second embodiment of the utility model;

Fig. 6 is a schematic diagram of the plug structure of Embodiment 2 of the utility model;

Explanation of reference signs:

Socket 1, socket housing 11, socket insulator 12, pin insulator 121, first sealing ring 122, first pressure plate 123, pin 13, first circlip 14, third sealing ring 15, protection pad 16;

Plug 2, plug housing 21, plug insulator 22, jack insulator 221, second sealing ring 222, second pressure plate 223, jack piece 23, second retaining spring 24, protective cover 27;

Connecting ring 3, spiral groove 31, third retaining spring 32, spring 33, retaining ring 34;

Short block 4;

Nut 5.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In this utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" are all based on the orientation or positional relationship shown in the drawings, It is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element of the utility model must have a specific orientation, so it should not be construed as a limitation of the utility model.

In the utility model, the front end is along the docking direction, and the rear end is away from the docking direction.

Example 1

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the utility model discloses a self-short circuit electrical connector, which includes a socket 1 , a plug 2 and a connecting ring 3 .

The socket 1 includes a socket shell 11 , a socket insulator 12 and a plurality of pins 13 which are sheathed sequentially from outside to inside. The socket insulator 12 includes a pin insulator 121 , a first sealing ring 122 and a first pressing plate 123 which are sleeved on the pin 13 from front to back. The inner cavity of the socket housing 11 is provided with a first clamping platform defining a front end of the pin insulator 121 and a first retaining spring 14 defining a rear end of the first pressing plate 123 .

The plug 2 includes a plug housing 21 , a plug insulator 22 , a plurality of jacks 23 and a nut 5 . The plug housing 21 , jack insulator 22 and several jack pieces 23 are sheathed sequentially from outside to inside. The plug insulator 22 includes a jack insulator 221 , a second sealing ring 222 and a second pressing plate 223 that are sleeved on the jack 23 from front to back. The inner cavity of the socket housing 21 is provided with a second clamping platform defining a front end of the jack insulator 22 and a second retaining spring 24 defining a rear end of the second pressing plate 223 .

The connecting ring 3 is rotatably mounted on the front end of the plug housing 21 , and a spiral groove 31 is provided on the inner wall thereof, and the front end of the socket housing 11 is provided with a staple 111 corresponding to the spiral groove 31 . Insert the plug 2 into the socket 1, turn the connecting ring, under the action of the spiral groove 31 and the staple 111, the plug 2 and the socket 1 are tightened, and the pin 13 is inserted into the socket of the socket 23. In order to ensure the reliability of the contact, the jack of the jack part 23 adopts a reed jack, and the outer side is provided with a protective cover 27 to prevent its deformation and looseness.

The inner cavity of the connecting ring 3 is a stepped hole with a small front and a large rear, and a third retaining spring 32 is provided at the rear end of the large hole of the stepped hole. The outer cylindrical surface of the plug housing 21 is provided with a third card platform, and the third card platform is located between the bottom of the large hole and the third jumper 32, and the outer cylindrical surface of the plug housing 21 is also covered A spring 33 and a retaining ring 34 positioned at the rear side of the spring 33 are provided, and the spring 33 and the retaining ring 34 are located between the third card platform and the third jump ring 32, so that the connecting ring 3 maintains a backward thrust to prevent loose effect.

In order to realize the sealing between the socket 1 and the plug 2, a third sealing ring 15 is provided at the front end of the first card table. Connected to the third sealing ring 15. At the same time, the front end of the contact pin 13 is also provided with a protective pad 16 to play a double sealing role.

The rear end of each socket member 23 is connected with a shorting block 4 , and the shorting blocks 4 do not touch each other, and each shorting block 4 abuts against the rear end surface of the plug housing 21 . In this embodiment, the shorting block 4 is riveted to the rear end of the socket member 23 . The nut 5 is a metal nut, which has a blind screw hole, so as to be screwed on the rear end of the plug housing 21 , and when it is screwed tightly, the bottom of the hole is in contact with each shorting block 4 .

Example 2

Please refer to FIG. 4 , FIG. 5 and FIG. 6 , which is another embodiment of the present utility model, which is a modification of embodiment 1. The difference is that the shorting block 4 and the nut 5 are arranged on the socket 1, and the plug 2 is used as the end to be shorted, and details are not repeated here.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. A self-short-circuit electrical connector, characterized in that: it includes a socket, a plug, a connecting ring, a shorting block and a nut; pin; the plug includes a plug housing, a plug insulator and a number of jacks that are set sequentially from the outside to the inside, and the rear end of each jack is connected to the shorting block, and the shorting blocks do not touch each other. Each shorting block abuts against the rear end face of the plug housing; the nut is a metal nut with a blind screw hole to be screwed on the rear end of the plug housing. When tightening, the bottom of the hole is in contact with each shorting block; the connecting ring is rotatably set on the front end of the plug housing, and a spiral groove is provided on the inner cavity wall, and the front end of the socket housing is provided with a Staples corresponding to the helical grooves. 2. A self-short-circuiting electrical connector as claimed in claim 1, wherein the socket insulator includes a pin insulator, a first sealing ring and a first A pressure plate, the inner cavity of the socket housing is provided with a first clamping platform defining the front end of the pin insulator and a first retaining spring defining the rear end of the first pressure plate; the plug insulator includes sequentially from front to back The socket insulator, the second sealing ring and the second pressure plate are sheathed on the socket, and the inner cavity of the socket housing is provided with a second card platform defining the front end of the socket insulator and defining the Describe the second snap ring at the rear end of the second pressing plate. 3. A self-short-circuiting electrical connector according to claim 2, characterized in that: a third sealing ring is provided on the front end of the first card platform, when the plug housing is inserted into the socket housing When in place, the front end of the plug housing abuts against the third sealing ring. 4. A self-short circuit electrical connector as claimed in claim 1, characterized in that: the inner cavity of the connecting ring is a stepped hole with a small front and a large rear, and the rear end of the large hole of the stepped hole is provided with a third Circlip; the outer cylindrical surface of the plug housing is provided with a third clamping platform, the third clamping platform is located between the bottom of the large hole and the third clamping ring, the plug housing A spring and a retaining ring located on the rear side of the spring are sheathed on the outer cylindrical surface, and the spring and the retaining ring are located between the third clamping platform and the third retaining ring. 5 . The self-shorting electrical connector according to claim 1 , wherein the shorting block is riveted to the rear end of the socket member. 5 . 6. A self-short-circuit electrical connector, characterized in that: it includes a socket, a plug, a connecting ring, a shorting block and a nut; The socket includes a socket housing, a socket insulator and a number of pins that are set sequentially from the outside to the inside. The rear end of each pin is connected to the shorting block. The connecting block abuts against the rear end face of the socket housing; the nut is a metal nut with a blind screw hole to be screwed on the rear end of the socket housing, when it is screwed , the bottom of the hole is in contact with each shorting block; the connecting ring is rotatably set on the front end of the plug housing, and a spiral groove is provided on the wall of the inner cavity, and the front end of the socket housing is provided with a corresponding The staple of the spiral groove. 7. A self-short-circuiting electrical connector as claimed in claim 6, wherein the socket insulator comprises a pin insulator, a first sealing ring and a first A pressure plate, the inner cavity of the socket housing is provided with a first clamping platform defining the front end of the pin insulator and a first retaining spring defining the rear end of the first pressure plate; the plug insulator includes sequentially from front to back The socket insulator, the second sealing ring and the second pressure plate are sheathed on the socket, and the inner cavity of the socket housing is provided with a second card platform defining the front end of the socket insulator and defining the Describe the second snap ring at the rear end of the second pressing plate. 8. A self-short-circuiting electrical connector as claimed in claim 7, characterized in that: a third sealing ring is provided on the front end of the first card platform, when the plug housing is inserted into the socket housing When in place, the front end of the plug housing abuts against the third sealing ring. 9. A self-short-circuiting electrical connector as claimed in claim 6, characterized in that: the inner cavity of the connecting ring is a stepped hole with a small front and a large rear, and the rear end of the large hole of the stepped hole is provided with a third Circlip; the outer cylindrical surface of the plug housing is provided with a third clamping platform, the third clamping platform is located between the bottom of the large hole and the third clamping ring, the plug housing A spring and a retaining ring located on the rear side of the spring are sheathed on the outer cylindrical surface, and the spring and the retaining ring are located between the third clamping platform and the third retaining ring. 10 . The self-shorting electrical connector according to claim 6 , wherein the shorting block is riveted to the rear end of the contact pin. 11 .