CN217823341U - Circular interlocking type connector - Google Patents

Abstract

The utility model discloses a circular interlocking type connector, which comprises a socket and a plug matched with the socket, wherein the plug comprises a contact pin insulator, a first contact pin and a second contact pin; the first contact pin is inserted into the contact pin insulator in an embedding manner; the second pin is inserted into the pin insulator and is arranged adjacent to the first pin. The socket comprises a first plug pin and a second plug pin, wherein the first plug pin is longer than the second plug pin, the socket comprises a first jack and a second jack, a crown spring is arranged in the first jack, and the crown spring locks the first plug pin in the first jack under the condition that the first plug pin is inserted into the first jack. Through setting the length of first contact pin to the length that is greater than the second contact pin for when plug and socket join in marriage to insert, first contact pin contacts first jack earlier, contacts the second jack behind the second contact pin, has reduced the probability of mistake and has inserted like this, and when plug and socket separation, the second contact pin separates earlier, and separation behind the first contact pin has reduced the electric spark, and first jack is provided with the crown spring and makes the connector plug simple and stability high.

Description

Circular interlocking type connector

Technical Field

The embodiment of the utility model provides a involve the electric connector field, concretely relates to circular interlocking formula connector.

Background

The connector is widely applied to the field, and can be divided into a threaded connection, a bayonet connection, a clamping connection, a push-pull connection and a direct-insertion type connector according to different connection modes, wherein the push-pull type connector is widely applied, and the lengths of contact pins of most existing push-pull type connectors are the same, so that electric sparks are easily generated during pushing and pulling, and meanwhile, the connectors are easily inserted by mistake.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of embodiments of the present invention to provide a circular interlocking connector for overcoming the above problems.

The embodiment discloses a circular interlocking connector, which comprises a socket and a plug matched with the socket, wherein the plug comprises a pin insulator, a first pin and a second pin; the first contact pin is embedded in the contact pin insulator; the second contact pin is inserted in the contact pin insulator in an embedded mode and is arranged adjacent to the first contact pin.

The socket comprises a first insertion hole and a second insertion hole, wherein a crown spring is arranged in the first insertion hole, and the crown spring locks the first insertion pin in the first insertion hole under the condition that the first insertion pin is inserted into the first insertion hole.

Furthermore, the socket also comprises a jack insulator and a second jack, and the first jack and the second jack are integrally formed and then are installed in the jack insulator; the second contact pin is clamped with the second jack.

Further, the diameter of the first pin is larger than that of the second pin.

Furthermore, the first contact pin and the second contact pin are provided with two, the first contact pin and the second contact pin are arranged on the contact pin insulator in a staggered mode, the aperture size of the first jack corresponds to that of the first contact pin, and the aperture size of the second jack corresponds to that of the second contact pin.

Furthermore, the first contact pin is sleeved with a first sealing ring, and the first jack is provided with a second sealing ring at a position corresponding to the first sealing ring.

Furthermore, the outer edge of the contact pin insulator is provided with a first pre-positioning bulge, and the outer edge of the jack insulator is provided with a second pre-positioning bulge.

Further, the pin insulator and the socket insulator are both cylindrical in shape.

The utility model provides a circular interlocking formula connector sets the length that is greater than the second contact pin through the length with first contact pin for when plug and socket join in marriage the plug, first contact pin contacts first jack earlier, contacts the second jack behind the second contact pin, has reduced the probability of misplug like this, and when plug and socket separation, the second contact pin separates earlier, separates behind the first contact pin, has reduced the electric spark, and first jack is provided with the crown spring and makes the connector plug simply and stability high.

Drawings

Fig. 1 is an exploded view of a circular interlocking connector according to the present invention;

fig. 2 is a schematic diagram of a plug structure of a circular interlocking connector according to the present invention;

fig. 3 is a schematic view of a socket structure of a circular interlocking type connector according to the present invention;

fig. 4 is a schematic cross-sectional view of a first orientation of a circular interlocking connector of the present invention;

fig. 5 is a schematic cross-sectional view of a circular interlock connector of the present invention in a second orientation.

Shown in the figure:

1. a socket;

2. a plug;

11. a first jack;

12. a jack insulator;

13. a second jack;

21. a pin insulator;

22. a first pin;

23. a second pin;

111. a crown spring;

121. a second pre-positioning projection;

211. first pre-positioning projection

221. A first seal ring;

222. and a second seal ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

A circular interlocking type connector as shown in fig. 1 to 5 comprises a socket 1 and a plug 2 mated with the socket 1, wherein the plug 2 comprises a pin insulator 21, a first pin 22 and a second pin 23; the first pin 22 is embedded in the pin insulator 21; the second pin 23 is inserted into the pin insulator 21 and is disposed adjacent to the first pin 22.

The length of the first pin 22 is greater than that of the second pin 23, the socket 1 includes a first insertion hole 11 and a second insertion hole 13, a crown spring 111 is arranged in the first insertion hole 11, and the crown spring 111 locks the first pin 22 in the first insertion hole 11 under the condition that the first pin 22 is inserted into the first insertion hole 11; the length of the first pin 22 is set to be larger than that of the second pin 23, so that when the plug 2 is plugged into the socket 1, the first pin 22 contacts the first jack 11 first, and the second pin 23 contacts the second jack 13 later, so that the probability of misplug is reduced, when the plug 2 is separated from the socket 1, the second pin 23 is separated first, the first pin 22 is separated later, electric sparks are reduced, the first jack 11 is provided with the crown spring 111, so that the connector can be plugged and unplugged simply, the crown spring 111 is internally provided with the beryllium bronze multi-spring and is connected with twill, the elasticity cannot be failed, the service life can reach 5000 times, the plugging force can reach 300-1000 g, and the first jack 11 in the embodiment has high reliability and soft plugging force.

Preferably, the socket 1 further includes a socket insulator 12 and a second socket 13, and the first socket 11 and the second socket 13 are integrally formed and then installed in the socket insulator 12; a leaf spring (not shown) is installed in the second insertion hole 13 and is used for fastening the second pin 23 in the second insertion hole 13. The leaf spring receptacle is a highly reliable pin and socket assembly, which is the contact portion in the connector. The pin jacks are mostly made of elastic copper materials with good conductivity, and the surfaces of the pin jacks are plated with silver and gold to achieve the effects of small contact resistance and anti-counterfeiting marks.

Preferably, the first pin 22 is used as a primary fastener, and the diameter of the first pin 22 is larger than that of the second pin 23.

Preferably, two first pins 22 and two second pins 23 are provided, in order to prevent erroneous insertion, the two first pins 22 and the two second pins 23 are alternately arranged on the pin insulator 21, the aperture size of the first insertion hole 11 corresponds to the first pin 22, and the aperture size of the second insertion hole 13 corresponds to the second pin 23.

Preferably, in order to improve the waterproof performance of the connector, a first sealing ring 221 is sleeved on the first pin 22, a second sealing ring 222 is disposed at a position of the first insertion hole 11 corresponding to the first sealing ring 221, and the first sealing ring 221 and the second sealing ring 222 are both preferably silicone sealing rings.

Preferably, in order to prevent misplug, the outer edge of the pin insulator 21 is provided with a first pre-positioning protrusion 211, and the outer edge of the socket insulator 12 is provided with a second pre-positioning protrusion 121, specifically, before the plug 2 is inserted into the socket 1, the plug 2 is rotated, so that the first pre-positioning protrusion 211 on the plug 2 and the second pre-positioning protrusion 121 are in a straight line, and thus the plug 2 can be just inserted into the socket 1 without aligning the positions of the socket and the pins for many times, and misplug avoidance can be better achieved.

Preferably, the pin insulator 21 and the socket insulator 12 are cylindrical in shape.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (7)

1. A circular interlocking connector comprising a receptacle and a plug mated with the receptacle, the plug comprising:

a pin insulator;

the first contact pin is embedded in the contact pin insulator;

the second contact pin is embedded in the contact pin insulator and is arranged adjacent to the first contact pin;

the socket comprises a first jack and a second jack, wherein the length of the first contact pin is greater than that of the second contact pin, a crown spring is arranged in the first jack, and the crown spring locks the first contact pin in the first jack under the condition that the first contact pin is inserted into the first jack.

2. The round interlocking connector of claim 1, wherein the receptacle further comprises a receptacle insulator and a second receptacle, the first and second receptacles being integrally formed and mounted within the receptacle insulator; the second contact pin is clamped with the second jack.

3. The circular interlocking connector of claim 1, wherein the diameter of the first pin is larger than the diameter of the second pin.

4. The circular interlocking connector according to claim 1, wherein two first pins and two second pins are provided, the two first pins and the two second pins are alternately provided on the pin insulator, the first holes have a hole size corresponding to the first pins, and the second holes have a hole size corresponding to the second pins.

5. The round interlocking connector of claim 1, wherein the first pin is sleeved with a first sealing ring, and the first socket is provided with a second sealing ring at a position corresponding to the first sealing ring.

6. The round interlock connector of claim 2, wherein said pin insulator has an outer edge provided with a first pre-positioning projection and said socket insulator has an outer edge provided with a second pre-positioning projection.

7. The round interlocking connector of claim 6, wherein the pin insulator and the socket insulator are both cylindrical in shape.

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