CN214899057U

CN214899057U - Connector of double-layer air sealing layer structure

Info

Publication number: CN214899057U
Application number: CN202120731644.3U
Authority: CN
Inventors: 罗宏洲; 石娟娟; 马仙; 文武; 李豪
Original assignee: Sichuan Yonggui Science and Technology Co Ltd
Current assignee: Sichuan Yonggui Science and Technology Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-26
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a connector of double-deck gas seal layer structure belongs to electric connector technical field. The air-tight connector comprises a first connector assembly and a second connector assembly, wherein the first connector assembly comprises a first shell and a first contact piece accommodated in the first shell, the second connector assembly comprises a second shell and a second contact piece accommodated in the second shell, a first air-tight sealing piece is arranged between the first shell and the first contact piece, a second air-tight sealing piece is arranged between the second shell and the second contact piece, and the first shell and the second shell are axially connected. The utility model has the advantages of double-deck gas seal layer's seal structure has airtight reliability height.

Description

Connector of double-layer air sealing layer structure

Technical Field

The utility model relates to a connector of double-deck air seal layer structure belongs to electric connector technical field.

Background

With the rapid development of science and technology, the application field of electrical equipment is more and more extensive, and the application environment of electrical equipment is more complicated and diversified. In order to reduce the influence of the environment on the electrical connection, it is necessary to form a relatively closed environment in the connection, and particularly in an application environment in which the electrical equipment used in aerospace or an application environment having a special requirement on the gas pressure requires that the connector in the electrical equipment has good gas tightness. At present, the air sealing structure of the connector is mainly manufactured by glass sintering, and because the air sealing structure is limited by the current glass sintering technology, only one air sealing layer is arranged on the same connector, and when the glass body in the air sealing layer is damaged and cannot realize the air sealing function, the air sealing performance of the connector is lost. Therefore, how to provide a connector capable of satisfying the reliability requirement of the user for the airtightness of the connector is a problem to be solved in the art.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide a connector of the reliable double-deck air seal layer structure of air tightness.

The purpose of the utility model is realized through the following technical scheme: a connector with a double-layer air sealing layer structure comprises a first connector assembly and a second connector assembly, wherein the first connector assembly comprises a first shell and a first contact piece accommodated in the first shell, the second connector assembly comprises a second shell and a second contact piece accommodated in the second shell, a first air sealing piece is arranged between the first shell and the first contact piece, a second air sealing piece is arranged between the second shell and the second contact piece, and the first shell and the second shell are connected in the axial direction.

Furthermore, the first air sealing element comprises a first sealing layer and a first glass body, the first glass body wraps the periphery of the first contact element, and the first glass body is embedded in the first sealing layer.

Furthermore, the second air-tight sealing piece comprises a second sealing layer and a second glass body, the second glass body covers the periphery of the second contact piece, and the second glass body is embedded in the second sealing layer.

Furthermore, the first connector assembly and the second connector assembly are manufactured and molded by adopting a glass sintering process.

Further, a mounting assembly for receiving the first contact end and the second contact end is disposed within the first connector assembly or the second connector assembly.

Further, the installation component comprises a mounting plate, a mounting hole is formed in the mounting plate, double-end contacts which are inserted into the first contacts and the second contacts respectively are arranged in the mounting hole, the double-end contacts axially and radially shift relative to the mounting plate, and the first contacts and the second contacts are connected and conducted through the double-end contacts.

Further, be provided with the rand between first casing and the second casing, the periphery fixedly connected with of mounting panel has the flange with the rand butt.

Further, the periphery of first casing is along circumference fixedly connected with mounting disc, first annular has been seted up on the mounting disc, be provided with first sealing washer in the first annular.

Furthermore, a second annular groove is formed in the periphery of the second shell, and a second sealing ring is arranged in the second annular groove.

The utility model has the advantages that:

1) the two shells of the connector are respectively provided with the air-tight sealing pieces, so that the same connector is provided with a double-layer air-tight structure. Therefore, when one layer of the air sealing structure is damaged and loses the sealing function in the using process, the connector can still realize the preset air sealing function through the other layer of the air sealing structure, and the air sealing reliability of the connector is improved.

2) The double-head contact piece capable of moving along the axial direction and the radial direction is arranged in the mounting plate, and the double-head contact piece is kept to be located in the mounting plate and not to fall off, so that the first contact piece and the second contact piece can be connected and conducted with the double-head contact piece when the first contact piece and the second contact piece are slightly not coaxial.

Drawings

Fig. 1 is a schematic view of the connector structure of the present invention.

Fig. 2 is a schematic structural diagram of the first connector assembly of the present invention.

Fig. 3 is a schematic structural diagram of a second connector assembly according to the present invention.

Fig. 4 is a schematic structural diagram of the mounting assembly of the present invention.

In the figure, 1, a first connector assembly; 11. a first housing; 12. a first contact member; 13. a first gas seal; 131. a first sealing layer; 132. a first glass body; 14. mounting a disc; 141. a first ring groove; 142. a first seal ring; 2. a second connector assembly; 21. a second housing; 22. a second contact member; 23. a second hermetic seal; 231. a second sealing layer; 232. a second glass body; 24. a second ring groove; 25. a second seal ring; 3. mounting a plate; 31. mounting holes; 32. a flange; 4. a double-ended contact; 5. and a collar.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a technical solution: the utility model provides a connector of double-deck gas seal layer structure, including first connector assembly 1 and second connector assembly 2, wherein, first connector assembly 1 includes first casing 11 and the first contact 12 of holding in first casing 11, second connector assembly 2 includes second casing 21 and the second contact 22 of holding in second casing 21, and along axial connection between first casing 11 and the second casing 21, the one end that second casing 21 was kept away from to first casing 11 can set up screw thread or staple bolt, the first casing 11 left end of this embodiment is provided with the external screw thread. A first air seal 13 is further provided between the first housing 11 and the first contact 12, and a second air seal 23 is further provided between the second housing 21 and the second contact 22. Two layers of air-tight sealing structures are formed by the first air-tight sealing piece 13 and the second air-tight sealing piece 23 and are distributed in the connector along the axial direction, so that a double-layer protection effect is formed, and the reliability of the air-tight sealing performance of the connector is improved.

As shown in fig. 1 and 2, the first hermetic seal 13 of the present embodiment includes a first sealing layer 131 and a first glass body 132, the first glass body 132 covers the outer periphery of the first contact 12, and the first glass body 132 is embedded in the first sealing layer 131. The first sealing layer 131 is provided with through holes corresponding to the number of the first contacts 12, the first glass body 132 is embedded in the through holes, and the connection between the first glass body 132 and the first sealing layer 131 in the first connector assembly 1 is formed by a glass sintering process.

As shown in fig. 1 and fig. 3, the second hermetic seal 23 of the present embodiment includes a second sealing layer 231 and a second glass body 232, the second glass body 232 covers the outer periphery of the second contact 22, and the second glass body 232 is embedded in the second sealing layer 231. The second sealing layer 231 is also provided with through holes corresponding to the number of the second contacts 22, the second glass bodies 232 are embedded in the through holes, and the connection between the second glass bodies 232 and the second sealing layer 231 in the second connector assembly 2 is formed by a glass sintering process.

As shown in fig. 1 and 4, a mounting assembly for receiving the end portions of the first contact 12 and the second contact 22 is provided in the first connector assembly 1 or the second connector assembly 2. The mounting assembly of the present embodiment includes the mounting plate 3, and the mounting plate 3 of the present embodiment may be composed of a single part or may be composed of a plurality of parts. Mounting holes 31 are formed at both ends of the mounting plate 3, and the first contact 12 and the second contact 22 are inserted into the mounting plate 3 through the mounting holes 31. The mounting hole 31 is further provided with a double-head contact 4 respectively inserted into the first contact 12 and the second contact 22, two ends of the double-head contact 4 are both in a socket structure, and one end of the first contact 12 and one end of the second contact 22 facing the double-head contact 4 are in a pin structure. The double-ended contact 4 is retained within the mounting plate 3 and is capable of moving axially and radially relative to the mounting plate 3 such that the first contact 12 and the second contact 22 are still in conductive communication via the double-ended contact 4 when a slight misalignment exists between the first contact 12 and the second contact 22.

As shown in fig. 1, in order to facilitate assembly of the mounting assembly, a collar 5 is provided between the first housing 11 and the second housing 21, and a flange 32 abutting against the collar 5 is fixedly connected to the outer periphery of the mounting plate 3. In the connector of the present embodiment, the mounting plate 3 is placed in the second housing 21, the retainer ring 5 is then placed so that the retainer ring 5 abuts against the left side of the annular flange 32 on the outer periphery of the mounting plate 3, the right end of the mounting plate 3 abuts against the second sealing layer 231, and the first housing 11 and the second housing 21 are connected and fixed to complete the assembly of the connector. Meanwhile, in order to facilitate the installation of the connector on a corresponding device or apparatus, an installation disc 14 is fixedly connected to the periphery of the first housing 11 along the circumferential direction, the installation disc 14 may be annular or square, an installation fixing hole or no installation fixing hole may be provided on the installation disc 14, the installation disc 14 of this embodiment is an annular disc-shaped structure, no installation fixing hole is provided, a first annular groove 141 is provided on the side wall of the installation disc 14, and a first sealing ring 142 is provided in the first annular groove 141. The periphery of the second shell 21 is provided with a second ring groove 24, a second sealing ring 25 is arranged in the second ring groove 24, the first sealing ring 142 and the second sealing ring 25 are both made of non-metal materials, and the connector and corresponding equipment or devices are hermetically mounted through the first sealing ring 142 and the second sealing ring 25.

The utility model discloses when using, through glass sintering technology preparation first connector assembly 1 and second connector assembly 2, then arrange mounting panel 3 in second casing 21, make second contact 22 insert in the mounting hole 31 of mounting panel 3 right-hand member. The collar 5 is also placed in the second housing 21 and is abutted against the flange 32 on the periphery of the mounting plate 3, then the first connector assembly 1 is connected with the second connector assembly 2, the collar 5 is fixed between the first housing 11 and the second housing 21, the first contact 12 is inserted into the mounting hole 31 on the left end of the mounting plate 3, and the first contact 12 and the second contact 22 are connected and conducted through the double-headed contact 4 arranged in the mounting plate 3.

Example two

The difference between the present embodiment and the first embodiment is mainly as follows: the first sealing layer 131 of this embodiment is provided with a through hole, the through hole is located in the center of the first sealing layer 131, all the first contacts 12 pass through the through hole, and the first glass body 132 covering the first contacts 12 is embedded in the through hole. Correspondingly, a through hole is also formed in the second sealing layer 231 at the central position, the second contacts 22 all pass through the through hole, and a second glass body 232 covering the second contacts 22 is embedded in the through hole. In other embodiments, the positions and the number of the openings on the first sealing layer 131 and the second sealing layer 232, and the number of the corresponding first glass body 132 and the second glass body 232 can be adjusted according to the condition of the contact.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A connector of a double-layer gas-tight layer structure, comprising a first connector assembly (1) and a second connector assembly (2), wherein the first connector assembly (1) comprises a first housing (11) and a first contact member (12) accommodated in the first housing (11), and the second connector assembly (2) comprises a second housing (21) and a second contact member (22) accommodated in the second housing (21), and is characterized in that: a first air sealing element (13) is arranged between the first shell (11) and the first contact element (12), a second air sealing element (23) is arranged between the second shell (21) and the second contact element (22), and the first shell (11) and the second shell (21) are connected in the axial direction.

2. The connector of a double-layer gas-tight layer structure according to claim 1, wherein: the first air sealing element (13) comprises a first sealing layer (131) and a first glass body (132), the first glass body (132) covers the periphery of the first contact element (12), and the first glass body (132) is embedded in the first sealing layer (131).

3. The connector of a double-layer gas-tight layer structure according to claim 1, wherein: the second air-tight seal (23) comprises a second sealing layer (231) and a second glass body (232), the second glass body (232) covers the periphery of the second contact piece (22), and the second glass body (232) is embedded in the second sealing layer (231).

4. The connector of a double-layer gas-tight layer structure according to claim 1, wherein: the first connector assembly (1) and the second connector assembly (2) are manufactured and molded by adopting a glass sintering process.

5. The connector of a double-layer gas-tight layer structure according to claim 1, wherein: and a mounting assembly used for accommodating the end part of the first contact (12) and the end part of the second contact (22) is arranged in the first connector assembly (1) or the second connector assembly (2).

6. The connector of a double-layer gas-tight layer structure according to claim 5, wherein: the mounting assembly comprises a mounting plate (3), a mounting hole (31) is formed in the mounting plate (3), a double-end contact piece (4) which is inserted into the mounting hole (31) respectively with a first contact piece (12) and a second contact piece (22) is arranged in the mounting hole (31), the double-end contact piece (4) moves along the axial direction and the radial direction relative to the mounting plate (3), and the first contact piece (12) and the second contact piece (22) are connected and conducted through the double-end contact piece (4).

7. The connector of a double-layer gas-tight layer structure according to claim 6, wherein: be provided with rand (5) between first casing (11) and second casing (21), the periphery fixedly connected with of mounting panel (3) has flange (32) with rand (5) butt.

8. The connector of a double-layer gas-tight layer structure according to claim 1, wherein: the periphery of first casing (11) is along circumference fixedly connected with mounting disc (14), first annular (141) have been seted up on mounting disc (14), be provided with first sealing washer (142) in first annular (141).

9. The connector of a double-layer gas-tight layer structure according to claim 1, wherein: second annular groove (24) have been seted up to second casing (21) periphery, be provided with second sealing washer (25) in second annular groove (24).