CN210744352U

CN210744352U - Double-fixing safety power connector

Info

Publication number: CN210744352U
Application number: CN201921768272.0U
Authority: CN
Inventors: 兰俊; 江仁寰; 祝玉香
Original assignee: Hon Kwang Electric Kunshan Co ltd
Current assignee: Hon Kwang Electric Kunshan Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-12
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a double-fixing safety power connector, including inserting the end and accepting the end, insert the end and be connected with consumer, accept the end and be connected with power supply system, insert the end and include the plug, be equipped with the rotating sleeve rather than rotating the connection in the plug outside, the accepting end has the socket, and the socket outside is equipped with fixed cover, has annular cavity between fixed cover and socket to be equipped with the external screw thread cover with socket outer wall and fixed cover inner wall sliding connection in the cavity, the external screw thread cover comprises two convex cover bodies, the rotating sleeve has the internal thread that matches with the external screw thread cover, annular holding chamber has between plug and the rotating sleeve, and the thickness that holds the chamber matches with the thickness of external screw thread cover; this device structure is ingenious, and is fixed through the connection of plug self friction and external screw thread cover and rotation cover, and dual fail-safe fixed connection has guaranteed the stability after connecting, improves the power consumption safety.

Description

Double-fixing safety power connector

Technical Field

The utility model relates to an electrical apparatus connector technique specifically is a two fixed insurance power connector.

Background

The power connector comprises an insulating body and a plurality of terminals, and the conventional power connector consists of a socket and a plug. And in the use, plug butt joint is often carried out with the jack on the socket to the contact pin on the plug, contact pin and jack all can take place wearing and tearing, some contact pins or jack are mounting structure, cause contact failure after the contact pin of its mounting structure or jack wearing and tearing easily, and some contact pins generally are direct grafting on the plug, it causes the contact pin to become flexible easily in the plug butt joint process repeatedly, can lead to the contact pin to break away from the plug during serious, and the contact pin is mostly that a contact pin of direct integrated into one piece setting on the plug has bad just influenced whole power connector's use.

Chinese patent publication No. CN 108471003 a proposes a power connector, which adopts a staggered manner to fix the pins, so as to improve the connection stability to a certain extent, but after long-term use, the problem of aging and abrasion, resulting in reduced friction force, and being unable to fix effectively still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two fixed insurance power connector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a double-fixed safety power connector comprises an inserting end and a receiving end, wherein the inserting end is connected with power equipment, the receiving end is connected with a power supply system, the inserting end comprises a plug, a rotating sleeve which is rotatably connected with the plug is arranged on the outer side of the plug, the receiving end is provided with a socket, a fixing sleeve is arranged on the outer side of the socket, a circular cavity is arranged between the fixed sleeve and the socket, an external thread sleeve which is connected with the outer wall of the socket and the inner wall of the fixed sleeve in a sliding way is arranged in the cavity, the external thread sleeve consists of two circular arc-shaped sleeve bodies, the rotating sleeve is provided with an internal thread matched with the external thread sleeve, a circular ring-shaped accommodating cavity is arranged between the plug and the rotating sleeve, the thickness of the accommodating cavity is matched with that of the external thread sleeve, the centers of the inner side surfaces of the two sleeve bodies of the external thread sleeve are respectively provided with a limiting groove, the socket outer wall is provided with a long-strip-shaped limiting rod, and the limiting rod is positioned in the limiting groove and is in sliding connection with the limiting groove.

The socket is characterized in that a square groove is further formed in the socket, a fixing protrusion inserted into the plug from the side face is arranged in the square groove, the tail end of the fixing protrusion is fixed on an insulating rod, the insulating rod is located in the square groove, a threaded pipe is further arranged on the insulating rod, the interior of the threaded pipe is hollow and provided with internal threads, a screw rotationally connected with the thread is inserted in the threaded pipe, an outer collar is sleeved on the outer side of the fixing sleeve, the tail end of the screw extends out of the outer collar, and the screw is sequentially rotationally connected with the outer collar and the fixing sleeve in a threaded mode; the front end of the fixed bulge is in an elliptical ball shape.

As the preferred scheme of the utility model: the front side of the plug and the front side of the socket are provided with magnets.

Compared with the prior art, the beneficial effects of the utility model are that: this device structure is ingenious, and is fixed through the connection of plug self friction and external screw thread cover and rotation cover, and dual fail-safe fixed connection has guaranteed the stability after connecting, improves the power consumption safety.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of a receiving end of the present invention.

Fig. 3 is a perspective view of the receiving end of the present invention.

In the figure, 1-an insertion end, 2-a receiving end, 3-a plug, 4-a rotating sleeve, 5-a socket, 6-a fixing sleeve, 7-an external thread sleeve, 8-a jack, 9-a limiting groove, 10-a square groove, 11-a fixing bulge, 12-a threaded pipe, 13-a screw and 14-an external collar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a double-fixed safety power connector comprises an insertion end 1 and a receiving end 2, the insertion end 1 is connected with a power utilization device, the receiving end 2 is connected with a power supply system, the insertion end 1 comprises a plug 3, a rotating sleeve 4 rotatably connected with the plug 3 is arranged on the outer side of the plug 3, the receiving end 2 is provided with a socket 5, a fixing sleeve 6 is arranged on the outer side of the socket 5, an annular cavity is arranged between the fixing sleeve 6 and the socket 5, an external thread sleeve 7 slidably connected with the outer wall of the socket 5 and the inner wall of the fixing sleeve 6 is arranged in the cavity, the external thread sleeve 7 is composed of two arc-shaped sleeve bodies, the rotating sleeve 4 is provided with an internal thread matched with the external thread sleeve 7, an annular accommodating cavity is arranged between the plug 3 and the rotating sleeve 4, the thickness of the accommodating cavity is matched with the thickness, the plug 3 is inserted aiming at the jack 8 on the socket 5 to complete connection of metal parts to realize connection of a circuit, after the plug is inserted, the rotating sleeve 4 is rotated to enable the external thread sleeve 7 to be connected with the rotating sleeve 4 through threads, so that the fixity after connection is ensured, specifically, the centers of the inner side surfaces of two sleeve bodies of the external thread sleeve 7 are respectively provided with a limiting groove 9, the outer wall of the socket 5 is provided with a long-strip-shaped limiting rod, and the limiting rods are located in the limiting grooves 9 and are in sliding connection with the limiting grooves 9, so that when the rotating sleeve 4 rotates, the rotation of the external thread sleeve 7 is avoided, the external thread sleeve 7 and the rotating sleeve 4 rotate relatively, and further, the threads are displaced along the direction of the limiting grooves 9 and then extend into the accommodating cavity, and the connection stability is further ensured; through the friction of the plug 3 and the connection fixation of the external thread sleeve 7 and the rotating sleeve 4, the stability after connection is ensured, and the electricity utilization safety is improved.

In order to further improve the connection stability, a square groove 10 is further arranged in the socket 5, a fixing protrusion 11 inserted into the plug 3 from the side is arranged in the square groove 10, the tail end of the fixing protrusion 11 is fixed on the insulating rod, the insulating rod is positioned in the square groove 10, a threaded pipe 12 is further arranged on the insulating rod, the interior of the threaded pipe 12 is hollow and is provided with internal threads, a screw 13 rotatably connected with the threaded pipe is inserted into the threaded pipe 12, an outer collar 14 is sleeved outside the fixing sleeve 6, the tail end of the screw 13 extends out of the outer collar 14, the screw 13 is rotatably connected with the outer collar 14 and the fixing sleeve 6 in a threaded manner, after the plug 3 is inserted and fixed and the outer collar 7 is inserted and fixed, the threaded pipe 12 can rotate relative to the fixing protrusion 11 under the guiding effect of the fixing protrusion by rotating the screw 13, so that the fixing protrusion 11 is abutted to the metal structure inserted into the insertion hole 8 on the plug 3, thereby further improving the friction force; specifically, the front end of the fixing protrusion 11 is in an elliptical sphere shape.

Example 2:

on the basis of embodiment 1, in order to perform the installation connection quickly, the front side of the plug 3 and the front side of the socket 5 are provided with magnets, which can assist a user to quickly align the two ends during the insertion process to complete the connection work.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A double-fixed safety power connector comprises an insertion end (1) and a receiving end (2), wherein the insertion end (1) is connected with power equipment, the receiving end (2) is connected with a power supply system, the insertion end (1) comprises a plug (3), and the double-fixed safety power connector is characterized in that a rotating sleeve (4) which is rotatably connected with the plug (3) is arranged on the outer side of the plug (3), the receiving end (2) is provided with a socket (5), a fixing sleeve (6) is arranged on the outer side of the socket (5), a circular cavity is formed between the fixing sleeve (6) and the socket (5), an external thread sleeve (7) which is slidably connected with the outer wall of the socket (5) and the inner wall of the fixing sleeve (6) is arranged in the cavity, the external thread sleeve (7) consists of two arc-shaped sleeve bodies, the rotating sleeve (4) is provided with an internal thread which is matched with the external thread sleeve (7), and a circular, the middle of the inner side surfaces of the two sleeve bodies of the external thread sleeve (7) is provided with a limiting groove (9), the outer wall of the socket (5) is provided with a long-strip-shaped limiting rod, and the limiting rod is positioned in the limiting groove (9) and is in sliding connection with the limiting groove.

2. A double secure power connector as claimed in claim 1, characterised in that the thickness of said housing cavity matches the thickness of the externally threaded sleeve (7).

3. The double-fixed safety power connector as claimed in claim 1 or 2, wherein a square groove (10) is further formed in the socket (5), a fixing protrusion (11) inserted into the plug (3) from the side is formed in the square groove (10), the tail end of the fixing protrusion (11) is fixed on an insulating rod, the insulating rod is located in the square groove (10), a threaded pipe (12) is further arranged on the insulating rod, the threaded pipe (12) is hollow and has an internal thread, a screw (13) in threaded rotation connection with the threaded pipe is inserted into the threaded pipe (12), an outer collar (14) is sleeved outside the fixing sleeve (6), the tail end of the screw (13) extends out of the outer collar (14), and the screw (13) is in threaded rotation connection with the outer collar (14) and the fixing sleeve (6) in sequence.

4. A double-fixed safety power connector as claimed in claim 3, wherein the front end of the fixing protrusion (11) is in the shape of an oval sphere.

5. A double-secured power supply connector as claimed in claim 1 or 2, characterized in that magnets are provided on both the front side of the plug (3) and the front side of the socket (5).