CN214798079U

CN214798079U - Multi-core connector

Info

Publication number: CN214798079U
Application number: CN202121335666.4U
Authority: CN
Inventors: 李玫
Original assignee: Shanghai Quanma Electronics Technology Co ltd
Current assignee: Shanghai Quanma Electronics Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-11-19
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a multi-core connector, which comprises a plug and a socket matched and connected with the plug, wherein the plug comprises a plug nut, an inner shell, a wire clamp, a snap ring, a needle insulating sleeve and a contact pin assembly, a hollow cavity is formed inside the plug nut after the plug nut is connected with the inner shell by screw threads, and the wire clamp, the snap ring, the needle insulating sleeve and the contact pin assembly are sequentially sleeved and fixed in the cavity along the direction close to the plug nut, away from the plug nut and close to the inner shell; the socket comprises a disc shell provided with a semi-open cavity and a socket nut in threaded connection with the disc shell, and a jack insulating sleeve and a jack assembly are sequentially fixed in the semi-open cavity; when the plug is inserted into the socket, the pin assembly is inserted into the socket assembly. The utility model provides a connector with unchanged size of the needle core and connector but increased number of needle cores, which solves the problem that the needle cores of the existing connector are too few to facilitate the connection of multiple needle cores; the problem of the connection accuracy of the connector is further improved through the mutually matched positioning pieces.

Description

Multi-core connector

Technical Field

The utility model relates to a connector technical field, concretely relates to multicore connector.

Background

With the rapid development of domestic electronic, aerospace and communication systems, the demand of people on connectors is increasing day by day. In the related art, limited by the use scene, the size and specification of the connector have certain requirements, and under the condition of not changing the size of the connector, the number of the installed needle cores is small, so that the use requirement of the related field for multi-needle core connection cannot be met more and more.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a multicore connector to solve the less problem that can not satisfy the user demand that people connect to many stylets of above-mentioned connector stylet number.

In order to achieve the above purpose, the utility model provides a following technical scheme: a multi-core connector comprises a plug and a socket which is matched and connected with the plug; the plug comprises a plug nut, an inner shell, a wire clamp, a snap ring, a needle insulating sleeve and a contact pin assembly, the plug nut and the inner shell are in threaded connection with each other, a cavity is formed inside the plug nut after the plug nut and the inner shell are in threaded connection, and the wire clamp, the snap ring, the needle insulating sleeve and the contact pin assembly are sequentially sleeved and fixed in the cavity along the direction close to the plug nut, far away from the plug nut and close to the inner shell; the socket comprises a disc shell and a socket nut, the disc shell is provided with a semi-open cavity, the disc shell is in threaded connection with the socket nut, and a jack insulating sleeve and a jack component are sequentially fixed in the semi-open cavity; when the plug is inserted into the socket, the pin assembly is inserted into the socket assembly.

Preferably, the pin assembly comprises ten pins, ten corresponding fixing holes are formed in the pin insulating sleeve, and the ten pins are inserted into the fixing holes in a one-to-one correspondence manner and fixed on the pin insulating sleeve; the jack assembly comprises jacks matched with the contact pins in number, ten mounting holes matched with the outer edges and the number of the jack assembly are formed in the jack insulating sleeve, and the jack assembly is fixed on the jack insulating sleeve.

Preferably, a first positioning piece is arranged on the plug, and a second positioning piece matched with the plug is arranged on the socket; the first positioning piece is sleeved outside the needle insulating sleeve and is encapsulated on the plug nut by the inner shell; the second positioning piece is sleeved outside the jack insulating sleeve and fixed in the semi-open cavity of the disc shell; the first positioning piece and the second positioning piece are matched and inserted with each other along the axial direction, so that the plug is connected with the socket.

Preferably, the first positioning piece comprises a positioning piece and a positioning base fixed at one end of the positioning piece close to the plug nut; the positioning piece is in an arc plate shape, and the positioning base is in a cylindrical structure with openings at two ends and a cavity; the second positioning piece is arranged in the same structure as the first positioning piece; when the plug is inserted into the socket, the two positioning pieces of the first positioning piece and the second positioning piece are mutually abutted and form a hollow cylindrical structure.

Preferably, an elastic lock sleeve is sleeved outside the inner shell.

Preferably, the elastic lock sleeve is sleeved with a shell.

Preferably, the disc shell is provided with a first sealing groove, and a first annular sealing ring is arranged in the first sealing groove.

Preferably, a second sealing groove is formed in the inner wall of the disc shell, and a second annular sealing ring is arranged in the second sealing groove and located between the second positioning piece and the disc shell.

Preferably, the positioning sheet is provided as a shielding sheet.

Preferably, the first annular sealing ring and the second annular sealing ring are both provided with rubber ring structures with circular cross sections.

The utility model provides a connector with unchanged size of the needle core and connector but increased number of needle cores, which solves the problem that the needle cores of the existing connector are too few to facilitate the connection of multiple needle cores; the problem of the connection accuracy of the connector is further improved through the mutually matched positioning pieces.

Drawings

Fig. 1 is an exploded view of a plug in a multi-core connector according to the present invention;

fig. 2 is a cross-sectional view of an angle of a plug in a multi-core connector according to the present invention;

fig. 3 is an exploded view of a receptacle in a multi-connector according to the present invention;

fig. 4 is a cross-sectional view of one of the angles of the socket in the multi-core connector according to the present invention;

fig. 5 is a schematic structural view of the first positioning member of the present invention.

Reference numerals: 1a, a shell; 2a, an elastic lock sleeve; 3a, an inner shell; 4a, a first positioning piece; 5a, a pin assembly; 7a, a needle insulating sleeve; 8a, a snap ring; 9a, a wire clamp; 10a, plug and nut; 1b, a second positioning piece; 2b, a socket assembly; 4b, jack insulating sleeves; 5b, socket nuts; 6b, a first annular sealing ring; 7b, a second annular sealing ring; 8b, a disc shell; 20. positioning plates; 21. and (5) positioning the base.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

Example (b): as shown in fig. 1 to 5, the present embodiment provides a multi-core connector, which includes a plug and a socket connected with the plug; the plug comprises a plug nut 10a, an inner shell 3a, a wire clamp 9a, a snap ring 8a, a pin insulating sleeve 7a and a pin assembly 5a, the plug nut 10a and the inner shell 3a are in threaded connection with each other, a cavity is formed inside the plug nut 10a after the plug nut 10a is in threaded connection with the inner shell 3a, and the wire clamp 9a, the snap ring 8a, the pin insulating sleeve 7a and the pin assembly 5a are sequentially sleeved and fixed in the cavity along the direction close to the plug nut 10a, far away from the plug nut 10a and close to the inner shell 3 a; the socket comprises a disc shell 8b and a socket nut 5b, the disc shell 8b is provided with a semi-open cavity structure, the disc shell 8b is in threaded connection with the socket nut 5b, and a jack insulating sleeve 4b and a jack component 2b are sequentially fixed in the semi-open cavity; when the plug is inserted into the socket, the pin assembly 5a is inserted into the socket assembly 2 b.

Preferably, the pin assembly 5a comprises ten pins, ten corresponding fixing holes are formed in the pin insulating sleeve 7a, and the ten pins are inserted into the fixing holes one by one and fixed on the pin insulating sleeve 7 a; the jack assembly 2b comprises jacks matched with the number of the contact pins, ten mounting holes matched with the outer edge and the number of the jack assembly 2b are formed in the jack insulating sleeve 4b, and the jack assembly 2b is fixed on the jack insulating sleeve 4 b. Optionally, the ten pins and the ten jacks are uniformly distributed, the pin is 0.5 pin, and the jacks are correspondingly set to be 0.5 jacks.

Preferably, the plug is provided with a first positioning piece 4a, and the socket is provided with a second positioning piece 1b matched with the plug; the first positioning piece 4a is sleeved outside the needle insulating sleeve 7a and is packaged on the plug nut 10a by the inner shell 3 a; the second positioning piece 1b is sleeved outside the jack insulating sleeve 4b and fixed in the semi-open cavity of the disc shell 8 b; the plug and the socket realize positioning connection through the first positioning piece 4a and the second positioning piece 1 b. Specifically, the first positioning member 4a and the second positioning member 1b are axially inserted into each other to connect the plug and the socket.

Preferably, the first positioning element 4a comprises a positioning plate 20 and a positioning base 21 fixed at one end of the positioning plate 20 close to the plug nut 10 a; the positioning sheet 20 is in an arc plate shape, and the positioning base 21 is in a cylindrical structure with two open ends and a cavity; the positioning sheet 20 and the positioning base 21 share the same central shaft; the second positioning piece 1b is arranged by adopting the same structure as the first positioning piece 4 a; when the plug is inserted into the socket, the two positioning pieces 20 of the first positioning piece 4a and the second positioning piece 1b are abutted with each other and form a hollow cylindrical structure. Optionally, the spacers 20 are arranged in a semicircular arc-shaped plate-shaped structure, and the sizes and the radians of the two spacers 20 are the same, so that it is ensured that when the plug is inserted into the socket, the two spacers 20 only have an insertion effect, and only when one spacer 20 is located at the opposite surface of the other spacer 20, the plug can be inserted into the socket, so that the accurate positioning of the plug and the socket is realized. And the structure setting of spacer 20 still is favorable to protecting its inside contact pin subassembly 5a, and when the plug inserted the socket, two setting elements were fixed with its inside contact pin and jack isotructure encapsulation, made contact pin and jack isotructure keep apart with external environment, had waterproof dirt-proof effect. Optionally, the positioning plate 20 is provided as a shielding plate. It further plays shielding guard action to structures such as inside contact pin, has guaranteed the utility model provides a multicore connector's job stabilization nature avoids it to receive external signal's interference.

Preferably, the inner shell 3a is externally sleeved with an elastic locking sleeve 2 a. The shell 1a is sleeved outside the elastic lock sleeve 2 a.

Preferably, the disc housing 8b is provided with a first sealing groove, and a first annular sealing ring 6b is arranged in the first sealing groove.

Preferably, a second sealing groove is formed in the inner wall of the disc housing 8b, a second annular sealing ring 7b is arranged in the second sealing groove, and the second annular sealing ring 7b is located between the second positioning member 1b and the disc housing 8 b.

Preferably, the positioning plate 20 is provided as a shielding plate.

Preferably, the first annular seal ring 6b and the second annular seal ring 7b are each provided as a rubber ring structure having a circular cross section. The first sealing ring and the second sealing ring further ensure the sealing performance of the internal structure of the connector.

In summary, the utility model provides a connector with unchanged size of the stylet and the connector, but with increased number of the stylets, which solves the problem that the existing connector has too few stylets, which is not beneficial to the multi-stylet connection scene; still further through set up the setting element that matches each other simultaneously on plug and socket, make the plug can realize accurate location connection under the effect of setting element when inserting the socket, solved current connector connection location problem accurate inadequately. Furthermore, the utility model discloses still have good leakproofness and shielding nature, further guaranteed the stable performance of connector during operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A multi-core connector is characterized by comprising a plug and a socket which is matched and connected with the plug; the plug comprises a plug nut, an inner shell, a wire clamp, a snap ring, a needle insulating sleeve and a contact pin assembly, the plug nut and the inner shell are in threaded connection with each other, a cavity is formed inside the plug nut after the plug nut and the inner shell are in threaded connection, and the wire clamp, the snap ring, the needle insulating sleeve and the contact pin assembly are sequentially sleeved and fixed in the cavity along the direction close to the plug nut, far away from the plug nut and close to the inner shell; the socket comprises a disc shell and a socket nut, the disc shell is provided with a semi-open cavity, the disc shell is in threaded connection with the socket nut, and a jack insulating sleeve and a jack component are sequentially fixed in the semi-open cavity; when the plug is inserted into the socket, the pin assembly is inserted into the socket assembly.

2. The multi-core connector as claimed in claim 1, wherein the pin assembly comprises ten pins, ten corresponding fixing holes are formed in the pin insulating sleeve, and ten pins are inserted into the fixing holes in a one-to-one correspondence and fixed on the pin insulating sleeve; the jack assembly comprises jacks matched with the contact pins in number, ten mounting holes matched with the outer edges and the number of the jack assembly are formed in the jack insulating sleeve, and the jack assembly is fixed on the jack insulating sleeve.

3. The multi-core connector as claimed in claim 1, wherein the plug is provided with a first positioning member, and the socket is provided with a second positioning member matching with the plug; the first positioning piece is sleeved outside the needle insulating sleeve and is encapsulated on the plug nut by the inner shell; the second positioning piece is sleeved outside the jack insulating sleeve and fixed in the semi-open cavity of the disc shell; the first positioning piece and the second positioning piece are matched and inserted with each other along the axial direction, so that the plug is connected with the socket.

4. The multi-core connector as claimed in claim 3, wherein the first positioning member comprises a positioning plate and a positioning base fixed to an end of the positioning plate adjacent to the plug nut; the positioning piece is in an arc plate shape, and the positioning base is in a cylindrical structure with openings at two ends and a cavity; the second positioning piece is arranged in the same structure as the first positioning piece; when the plug is inserted into the socket, the two positioning pieces of the first positioning piece and the second positioning piece are mutually abutted and form a hollow cylindrical structure.

5. The multi-core connector of claim 1, wherein an elastic locking sleeve is sleeved outside the inner housing.

6. The multi-fiber connector of claim 5, wherein the resilient locking sleeve is provided with a housing.

7. The multi-core connector as claimed in claim 3, wherein the disc housing is provided with a first sealing groove, and a first annular sealing ring is provided in the first sealing groove.

8. The multi-core connector as claimed in claim 7, wherein the inner wall of the disc housing is provided with a second sealing groove, a second annular sealing ring is provided in the second sealing groove, and the second annular sealing ring is located between the second positioning member and the disc housing.

9. The multi-core connector as claimed in claim 4, wherein the positioning plate is configured as a shielding plate.

10. The multi-core connector as claimed in claim 8, wherein the first and second annular sealing rings are each configured as a rubber ring structure having a circular cross-section.