CN219436310U

CN219436310U - Plug-in type error-proof rotation-proof electric connector

Info

Publication number: CN219436310U
Application number: CN202320329011.9U
Authority: CN
Inventors: 孙雪云
Original assignee: Shaanxi Yihua Electronics Co ltd
Current assignee: Shaanxi Yihua Electronics Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-28
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a plug-in type error-proof and rotation-proof electric connector, which comprises a plug and a socket, wherein the plug comprises a plug shell, an inner conductor, an insulator, a first contact and a second contact; the plug comprises a plug shell, a first contact head, a first conductor, a second contact head, a first key, a second key, a third key, a fourth key and a fourth key, wherein the second contact head is sleeved outside the plug shell; three keys are inserted into corresponding key grooves after the plug and the socket are inserted, the big key is correspondingly inserted into the big key groove, two small keys are correspondingly inserted into the small key grooves, and insertion marks are added on the plug and the socket, so that the purposes of preventing errors when the plug and the socket are inserted and mutually rotating the plug and the socket after the plug and the socket are inserted are achieved. The reliability of connection is improved, the problem of unstable performance and product failure caused by environmental factors such as vibration, impact and the like is avoided, and the effects of reliable connection and rotation prevention are achieved.

Description

Plug-in type error-proof rotation-proof electric connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to an inserted error-proof and rotation-proof electric connector.

Background

At present, after the common push-in type radio frequency coaxial connector structure is plugged in, the headstock can rotate mutually under the condition of external force, so that the stress of a matched cable is possibly caused to break, or a connecting signal is possibly unstable, and the connector is in the use process for a time-out period, so that the reliability of the electrical property of the connector is influenced, the service life of a product is influenced, the performance of the product is greatly reduced, and even an internal connector assembly of the connector is damaged, so that the connection is invalid, and the use is influenced. Therefore, the common push-in type radio frequency coaxial connector structure can not solve the problem that the fixed direction can not rotate after the connector is plugged in the use environment. Thereby influence the reliability of connector electrical property, influence the life of product simultaneously, make product performance greatly reduced, can damage the inside connector assembly of connector even, lead to the connection inefficacy to influence the use.

Disclosure of Invention

Aiming at the requirements of the existing use environment and the defects of the structure of a common push-in type product, the utility model provides an inserted type error-proof and rotation-proof electric connector, which mainly solves part of the problems of the technical background.

The utility model relates to a plug-in type error-proof and rotation-proof electric connector, which comprises a plug and a socket, wherein the plug comprises a plug shell, an inner conductor, an insulator, a first contact head and a second contact head; the plug comprises a plug shell, a first contact head, a second contact head, an inner conductor, a first key, a second key, a third key and a fourth key, wherein the second contact head is sleeved outside the plug shell;

the socket comprises a socket shell and a second inner conductor, three groups of key grooves, a large key groove, two small key grooves and three keys which are inserted into corresponding key grooves after the socket shell and the plug are inserted into each other are formed in the socket shell; the socket housing internally mounts a second housing, the second housing internally mounts a second inner conductor.

Preferably, the socket housing is internally provided with a first recessed insertion and yielding groove, and the second housing is internally provided with a second recessed insertion and yielding groove.

Preferably, the second shell and the second inner conductor are provided with a second insulator, the second insulator is provided with a filling hole, and the second inner conductor is fixed by filling epoxy resin glue in the filling hole.

Preferably, an insulator is installed between the first contact and the inner conductor.

Preferably, the first contact head and the second contact head are provided with axial strip-shaped grooves, the heads are provided with protruding rings, after the plug is plugged with the socket, the rings of the first contact head are positioned inside the second plug and the yielding groove, and the rings of the second contact head are positioned inside the first plug and the yielding groove.

Compared with the prior art, the utility model has the following beneficial effects:

three keys are inserted into corresponding key grooves after the plug and the socket are inserted, the big key is correspondingly inserted into the big key groove, two small keys are correspondingly inserted into the small key grooves, and insertion marks are added on the plug and the socket, so that the purposes of preventing errors when the plug and the socket are inserted and mutually rotating the plug and the socket after the plug and the socket are inserted are achieved. The reliability of connection is improved, the problems of unstable performance and product failure caused by environmental factors such as vibration, impact and the like are avoided, and the effects of reliable connection, error prevention and rotation prevention are achieved. Compared with the prior common push-in type radio frequency coaxial connector technology, the electric connector solves the problems of error prevention and rotation prevention of the product, and greatly improves the connection reliability of the product. The strip-shaped groove that first contact and second contact offered makes the head of first contact and second contact head have elastic variation, and the shrink and the opening of convenient grafting time, after plug and the socket grafting, the annular of first contact head is located first plug and the inside groove of stepping down, and the annular of second contact head is located the second plug and the inside this kind of structure of groove of stepping down makes behind plug and the socket grafting, and the connection is stable be difficult to disengage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a plug structure of the present utility model;

FIG. 2 is a schematic perspective view of a plug structure of the present utility model;

FIG. 3 is a schematic diagram of a socket according to the present utility model;

FIG. 4 is a schematic perspective view of a socket structure of the present utility model;

fig. 5 is a schematic diagram of the plug and socket insertion structure of the present utility model.

In the figure: the plug housing 101, the inner conductor 102, the insulator 103, the first contact 104, the second contact 105, the socket housing 201, the first insertion and relief groove 202, the second insertion and relief groove 203, the second housing 204, the second insulator 205, the second inner conductor 206, the epoxy glue 207.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model relates to a plug-in type error-proof and rotation-proof electric connector, which comprises a plug and a socket, wherein the plug comprises a plug shell 101, an inner conductor 102, an insulator 103, a first contact 104 and a second contact 105; the plug housing 101 is externally sleeved with a second contact 105, the plug housing 101 is internally provided with a first contact 104, the first contact 104 is internally provided with an inner conductor 102, and the outer circumference of the plug housing 101 is provided with three keys, namely a big key and two small keys;

the socket comprises a socket shell 201 and a second inner conductor 206, wherein three groups of key grooves, a large key groove, two small key grooves and three keys are inserted into corresponding key grooves after the socket shell 201 is inserted into the plug; the socket housing 201 internally mounts a second housing 204, and the second housing 204 internally mounts a second inner conductor 206. As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, in the schematic structural diagram of the plug in fig. 1 and fig. 2, the first contact 104 and the second contact 105 are inserted into the socket, and the contact plug plugging portion on the corresponding socket in fig. 4 realizes the connection function, and in fig. 1, the plug housing 101 in fig. 2 is provided with three keys, one big key, two small keys, fig. 3, and three key slots are added on the corresponding socket in fig. 4, one big key slot, two small key slots, the three keys after the plug and the socket are plugged into the corresponding key slots, the big key is correspondingly inserted into the big key slot, the two small keys are correspondingly inserted into the small key slots, and the plugging mark portion can be added on the plug, thereby realizing the purposes of preventing errors during plug and socket plugging and preventing the plug and socket from rotating mutually after plugging.

Further, a first concave insertion and relief groove 202 is provided in the socket housing 201, and a second concave insertion and relief groove 203 is provided in the second housing 204.

Further, the second housing 204 and the second inner conductor 206 are provided with a second insulator 205, the second insulator 205 is provided with a hole for filling, and the second inner conductor 206 is fixed by filling epoxy resin glue 207 into the hole for filling. This structure makes the second inner conductor 206 more secure after installation.

Further, an insulator 103 is installed between the first contact 104 and the inner conductor 102.

Further, the first contact 104 and the second contact 105 have axial bar grooves formed therein, the bar grooves allow the heads of the first contact 104 and the second contact 105 to have elastic changes, so that the heads are convenient to contract and expand during plugging, the heads are provided with raised rings, and after the plug is plugged into the socket, the rings of the heads of the first contact 104 are located inside the first plugging and yielding grooves 202, and the rings of the heads of the second contact 105 are located inside the second plugging and yielding grooves 203. The structure ensures that the connection is stable and not easy to be disconnected after the plug and the socket are plugged.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a plug-in type prevents error prevents changeing electric connector, includes plug and socket, its characterized in that:

the plug comprises a plug housing (101), an inner conductor (102), a first contact (104) and a second contact (105); the plug comprises a plug shell (101), a first contact (104) and an inner conductor (102), wherein a second contact (105) is sleeved outside the plug shell (101), the first contact (104) is internally arranged in the plug shell (101), and three keys, namely a big key and two small keys, are arranged on the outer circumference of the plug shell (101);

the socket comprises a socket shell (201) and a second inner conductor (206), wherein three groups of key grooves, namely a large key groove, two small key grooves and three keys after the plug and the socket are inserted into the corresponding key grooves, are formed in the socket shell (201) and the plug in an inserted mode; the socket housing (201) internally mounts a second housing (204), the second housing (204) internally mounts a second inner conductor (206).

2. The male anti-error anti-rotation electrical connector of claim 1, wherein: the socket comprises a socket shell (201), wherein a first concave inserting and yielding groove (202) is formed in the socket shell, and a second concave inserting and yielding groove (203) is formed in a second shell (204).

3. The male anti-error anti-rotation electrical connector of claim 1, wherein: the second shell (204) and the second inner conductor (206) are provided with a second insulator (205), the second insulator (205) is provided with a filling hole, and the second inner conductor (206) is fixed by filling epoxy resin glue (207) in the filling hole.

4. The male anti-error anti-rotation electrical connector of claim 1, wherein: an insulator (103) is mounted between the first contact (104) and the inner conductor (102).

5. The male anti-error anti-rotation electrical connector of claim 1, wherein: the first contact (104) and the second contact (105) are provided with axial strip-shaped grooves at the heads, the heads are provided with raised rings, after the plug is plugged with the socket, the rings of the heads of the first contact (104) are positioned inside the second plug and the yielding groove (203), and the rings of the heads of the second contact (105) are positioned inside the first plug and the yielding groove (202).