CN218448836U

CN218448836U - Rotary electric connector

Info

Publication number: CN218448836U
Application number: CN202222849529.3U
Authority: CN
Inventors: 蔡俊豪
Original assignee: Dongguan Meigao Industrial Co ltd
Current assignee: Dongguan Meigao Industrial Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-03
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a rotatory electric connector. A rotatory electric connector include: the male connector comprises a male connector base, a first electric connecting piece fixedly arranged at the axis of the male connector base, and a second electric connecting piece inserted in the male connector base, wherein the first electric connecting piece comprises a cylindrical contact part, and the second electric connecting piece comprises a conductive ring coaxially arranged with the first electric connecting piece at an interval; the female connector comprises a female connector base, a third electric connecting piece and a fourth electric connecting piece, the female connector base is rotatably sleeved on the male connector base, the third electric connecting piece and the fourth electric connecting piece are inserted in the female connector base, the third electric connecting piece is in friction conflict with the contact portion, and the fourth electric connecting piece is in friction conflict with the conducting ring. A rotatory electric connector have and keep circular telegram, simple structure's advantage rotating the in-process.

Description

Rotary electric connector

Technical Field

The utility model relates to an electric connector technical field especially relates to a rotatory electric connector.

Background

The Christmas tree is one of the most famous traditional ornaments of Christmas, and is a evergreen tree which is lighted by lamps and candles and ornaments. Nowadays, the artificial Christmas tree produced by industry is usually used for replacing a plant Christmas tree and is still placed in a house, so that the artificial Christmas tree is dull and lacks fun. At present, a plurality of rotatable Christmas trees appear on the market, namely the Christmas trees are driven by the motor to rotate slowly in the axial direction, so that the ornamental value of the Christmas trees is improved. However, since the ornaments on the christmas tree are usually powered by an external power supply, the conventional power supply connection structure can cause the wires to be twisted into a twist shape during the rotation process, which seriously affects the service life of the product. Meanwhile, because the simulation Christmas tree is usually formed by mutually splicing a plurality of tree trunks, the connector used at the splicing position cannot meet the requirement of relative rotation between the tree trunks at present.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a rotatory electric connector, it has keeps circular telegram, simple structure, easy dismounting's advantage at the rotation in-process.

A rotary electric connector comprises a male connector and a female connector which are mutually inserted and matched, wherein the male connector comprises a male connector base, a first electric connecting piece fixedly arranged at the axle center of the male connector base and a second electric connecting piece inserted in the male connector base, the first electric connecting piece comprises a cylindrical contact part, and the second electric connecting piece comprises a conducting ring coaxially arranged with the first electric connecting piece at an interval; the female connector comprises a female connector base, a third electric connecting piece and a fourth electric connecting piece, the female connector base is rotatably sleeved on the male connector base, the third electric connecting piece and the fourth electric connecting piece are inserted in the female connector base, the third electric connecting piece is in friction conflict with the contact portion, and the fourth electric connecting piece is in friction conflict with the conducting ring.

A rotatory electric connector, its female joint and male joint set up respectively in two relative rotation's parts, when realizing part high-speed joint, can be at 360 degrees rotatory in-process holding circuit intercommunications, have connect swiftly convenient, the circular telegram is stable and do not influence the advantage of part outward appearance.

Further, the male connector base comprises a first peripheral part and a first isolation part, the first isolation part is arranged in the first peripheral part and divides an inner cavity of the first peripheral part into a first wiring cavity and a plugging cavity, the first electric connector and the second electric connector penetrate through the first isolation part, and the contact part and the conducting ring are both located in the plugging cavity;

female joint base includes second peripheral portion and second isolation portion, be equipped with second wiring chamber in the second peripheral portion, the second isolation portion sets up in the second peripheral portion and separate grafting chamber and second wiring chamber, third electric connector and fourth electric connector wear to locate the second isolation portion.

Peripheral portion and rotary part cooperation protect the isolation to inside electric connector, the isolation carries out regional division to connector inside, avoids taking place to interfere between the circuit, improves the stability of using.

Further, the male connector base further comprises an installation part arranged on the first isolation part, the installation part is located in the first wiring cavity, the first electric connector further comprises a first limiting part connected with the contact part, and the first limiting part is in threaded connection with an installation hole formed in the installation part. The installation part carries out spacing fixed to first electric connector.

Furthermore, the male connector base further comprises an inserting part arranged on the first isolation part, the inserting part is located in the inserting cavity, the female connector base further comprises a joint part matched with the inserting part, and the joint part comprises an inner ring and an outer ring which are coaxially arranged and clamped on the inner side and the outer side of the inserting part. The inserting part is matched with the joint part, so that relative rotation is realized while inserting is realized.

Furthermore, the second electric connector further comprises a second limiting part connected with the conducting ring, a warped elastic sheet is arranged on the second limiting part, the second limiting part penetrates into the first wiring cavity to enable the elastic sheet to abut against the first isolating part, and the conducting ring is sleeved outside the inserting part and provided with a flanging for covering the end face of the inserting part. The second electric connector realizes radial and circumferential limiting in the first isolation part through insertion, axial limiting is realized through the flanging and the elastic sheet, extra fasteners are not needed for fixing, the structure is simple, and disassembly and assembly are convenient.

Furthermore, the third electric connector further comprises a first abutting part and a third limiting part, the first abutting part is positioned in the second wiring cavity and abuts against the second isolation part, a warped elastic sheet is arranged on the third limiting part, and the third limiting part penetrates into the second wiring cavity to enable the elastic sheet to abut against the second isolation part;

the fourth electric connector further comprises a second abutting part and a fourth limiting part, the second abutting part is located in the second wiring cavity and is abutted to the second isolation part, a warped elastic sheet is arranged on the fourth limiting part, and the fourth limiting part penetrates into the second wiring cavity to enable the elastic sheet to be abutted to the second isolation part. Third, four electric connector realize radially and spacing of circumference through inserting and establish in the second isolation portion to through butt portion and shell fragment realize that the axial is spacing, need not extra fastener and fix, simple structure, easy dismounting.

Further, the first electric connector further comprises a first wire connecting portion connected with the first limiting portion, the second electric connector further comprises a second wire connecting portion connected with the second limiting portion, and the first wire connecting portion and the second wire connecting portion are located in the first wire connecting cavity and extend along the axial direction far away from the first isolating portion;

the third electric connector further comprises a third wiring part connected with the first abutting part, the fourth electric connector further comprises a fourth wiring part connected with the second abutting part, and the third wiring part and the fourth wiring part are located in the second wiring cavity and extend in the axial direction far away from the second isolation part. The structure can enable the electric wire to pass through the inside of the part, and influence on appearance is avoided.

Furthermore, an avoiding groove corresponding to the second wiring part is formed in the first peripheral part. Avoid the groove to avoid causing the scald to the base among the wiring welding process.

Furthermore, a first sliding groove communicated with the second wiring cavity is formed in the inner ring, the first sliding groove is communicated with the inner cavity of the inner ring, and the third limiting part is inserted into the first sliding groove;

the outer ring is provided with a second sliding groove communicated with the second wiring cavity, the second sliding groove is communicated with the inner cavity of the outer ring, and the fourth limiting part is inserted into the second sliding groove. The spout is further spacing to spacing portion, prevents to warp.

Furthermore, a first clamping groove extending axially is further formed in the outer side of the first peripheral portion, the male connector base further comprises first supporting portions, the first supporting portions are symmetrically arranged on two sides of the mounting portion and connected with the first peripheral portion, and a first positioning hole penetrating through the first supporting portion is formed in the first clamping groove;

the female joint base further comprises a second supporting portion, the second supporting portion is symmetrically arranged on the inner side face of the second peripheral portion, and a second positioning hole penetrating into the second supporting portion is formed in the second clamping groove. The clamping groove and the positioning hole are convenient for the female connector and the male connector to be matched and fixed with the component.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is an overall structure diagram of the rotary electrical connector of the present invention;

fig. 2 is a cross-sectional structural view of the rotary electrical connector of the present invention;

fig. 3 is an exploded view of the rotary electrical connector of the present invention;

FIG. 4 is a cross-sectional view of the male connector;

FIG. 5 is a block diagram of the male connector base;

FIG. 6 is a cross-sectional view of the female connector;

FIG. 7 is a bottom view of the female connector;

description of reference numerals: 1. a male connector; 11. a male connector base; 111. a first peripheral portion; 1111. a first card slot; 1112. a first positioning hole; 1113. an avoidance groove; 112. a first isolation section; 113. an installation part; 114. a plug-in part; 1141. a guide groove; 115. a first support section; 12. a first electrical connection; 121. a first limiting part; 122. a first wiring portion; 123. a contact portion; 13. a second electrical connection; 131. a conducting ring; 132. a second limiting part; 133. a second wiring portion; 2. a female joint; 21. a female joint base; 211. a second peripheral portion; 2111. a second card slot; 2112. a second positioning hole; 212. a second isolation portion; 213. a joint portion; 2131. an inner ring; 21311. a first chute; 2132. an outer ring; 21321. a second chute; 214. a second support portion; 22. a third electrical connection; 221. a first abutting portion; 222. a third wiring portion; 223. a third limiting part; 23. a fourth electrical connection; 231. a second abutting portion; 232. a fourth wiring portion; 233. a fourth limiting part.

Detailed Description

Referring to fig. 1-7, fig. 1 is a general structure diagram of a rotary electrical connector according to the present invention; fig. 2 is a cross-sectional structural view of the rotary electrical connector of the present invention; fig. 3 is an exploded view of the rotary electrical connector of the present invention; FIG. 4 is a cross-sectional view of the male connector; FIG. 5 is a block diagram of the male connector base; FIG. 6 is a cross-sectional view of the female connector; fig. 7 is a bottom view of the female connector.

The utility model discloses a rotary electric connector, mainly used artificial christmas tree rod connection, but male joint 1 and female joint 2 of axial grafting and relative rotation. The male connector 1 and the female connector 2 are respectively inserted into the connecting ends of adjacent tree poles or the connecting ends of adjacent tree poles and bases or ornaments and rotate along with the corresponding tree poles, bases or ornaments.

The male connector 1 includes a male connector base 11, and a first electric connector 12 and a second electric connector 13 inserted in the male connector base 11.

The male connector base 11 is an integrally formed structure, and includes a first peripheral portion 111, a first isolation portion 112, a mounting portion 113, an insertion portion 114, and a first supporting portion 115. The first peripheral portion 111 has a hollow cylindrical structure, and the outer shape thereof may be designed according to the shape of the stem of the christmas tree. In this embodiment, the tree trunk is a hollow circular tube, and the male connector 1 is inserted into the hollow circular tube, so that the first peripheral portion 111 is cylindrical. A first slot 1111 is disposed outside the first peripheral portion 111 and extends along the axis.

The first isolation portion 112 is disposed in the first peripheral portion 111, and divides an inner cavity of the first peripheral portion 111 into a first wiring cavity and a plugging cavity.

The mounting portion 113 is connected to the first separating portion 112 and is located in the first wiring chamber. The mounting portion 113 is coaxial with the first peripheral portion 111. The mounting portion 113 has a mounting hole formed therein.

The plug portion 114 is connected to the first isolation portion 112 and is located in the plug cavity. The insertion portion 114 is coaxial with the mounting portion 113. The insertion portion 114 is provided with an insertion hole communicated with the mounting hole.

The first supporting portions 115 are symmetrically disposed at both sides of the mounting portion 113 and connected to the first peripheral portion 111. The first supporting portion 115 is positioned corresponding to the first slot 1111. A first positioning hole 1112 is opened in the first slot 1111, and the first positioning hole 1112 penetrates into the first supporting portion 115 and extends radially, but does not penetrate into the mounting portion 113.

The first electrical connector 12 is arranged in the mounting hole in a penetrating mode. The first connecting piece is provided with a first limiting part 121, and the first limiting part 121 is fixed with the mounting part 113 through threads. One end of the first electrical connector 12 is provided with a first wire portion 122, and the first wire portion 122 protrudes from the mounting portion 113 and is located in the first wire cavity. The other end of the first electrical connector 12 is provided with a cylindrical contact portion 123, and the contact portion 123 is sleeved in the plug hole.

The second electrical connector 13 is an integrally formed structure, and includes a conductive ring 131 and a second position-limiting portion 132 connected to the conductive ring 131. The conductive ring 131 is sleeved outside the insertion part 114, one end of the conductive ring extends toward the insertion hole to form a flange, the flange abuts against the end face of the insertion part 114, and the other end of the conductive ring is provided with the second limiting part 132. The second position-limiting portion 132 is an arc-shaped sheet structure, and passes through the first isolation portion 112 and extends into the first wiring cavity. The second limiting portion 132 is provided with a warped elastic sheet, and the elastic sheet abuts against the first isolating portion 112, so that the second electric connector 13 is fixed in the base of the male connector 1. In this embodiment, two second position-limiting portions 132 are respectively located at two ends of the diameter of the conductive ring 131. An avoiding groove 1113 is formed in the first peripheral portion 111, and the avoiding groove 1113 corresponds to the second limiting portion 132, so that the wire can be welded to the second limiting portion 132, and the male connector base 11 is prevented from being scalded. Preferably, one of the second limiting portions 132 is provided with a second wiring portion 133, and the size of the corresponding avoiding groove 1113 is increased.

In order to improve the stability of the connector, the outer side of the insertion part 114 is provided with a guide groove 1141 matched with the second limiting part 132. The second position-limiting portion 132 is inserted along the guide groove 1141 and limits the circumferential movement thereof.

The female connector 2 includes a female connector base 21, and a third electric connector 22 and a fourth electric connector 23 which are inserted in the female connector base 21.

The female terminal base 21 is an integrally formed structure, and includes a second peripheral portion 211, a second isolation portion 212, a joint portion 213, and a second support portion 214. The second isolation portion 212 is disposed in the second peripheral portion 211, and an inner side surface thereof forms a semi-enclosed second wiring cavity with the second peripheral portion 211, and an outer side surface thereof is provided with the engaging portion 213. The engaging portion 213 is engaged with the inserting portion 114 and includes an inner ring 2131 and an outer ring 2132 which are coaxially arranged. A second locking groove 2111 extending along the axis is further disposed on the outer side of the second peripheral portion 211. The second supporting portion 214 is symmetrically disposed on an inner side surface of the second peripheral portion 211. The second supporting portion 214 is located corresponding to the second locking slot 2111. A second positioning hole 2112 is opened in the second locking slot 2111, and the second positioning hole 2112 penetrates through the second supporting portion 214.

The inner ring 2131 is provided with a first sliding chute 21311 communicated with the second wiring cavity, and the first sliding chute 21311 is communicated with the inner cavity of the inner ring 2131. The third electrical connector 22 includes a first abutting portion 221, a third wire portion 222, and a third stopper portion 223. The first contact portion 221 is located in the second connection cavity and abuts against the second isolation portion 212, and the third connection portion 222 is connected to the first contact portion 221 and extends toward the second connection cavity. Two third limiting portions 223 pass through the second isolating portion 212 and are inserted into the first sliding groove 21311. A warped elastic sheet is arranged on the third limiting portion 223, and the elastic sheet is abutted against the second isolation portion 212.

The outer ring 2132 is provided with a second sliding chute 21321 communicated with the second wiring cavity, and the second sliding chute 21321 is communicated with the inner cavity of the outer ring 2132. The fourth electric connector 23 includes a second abutting portion 231, a fourth wiring portion 232, and a fourth stopper portion 233. The second abutting portion 231 is annular and located in the second wiring cavity and abutted against the second isolation portion 212, and the fourth wiring portion 232 is connected with the second abutting portion 231 and extends towards the second wiring cavity. Three fourth limiting portions 233 pass through the second isolating portion 212 and are inserted into the second sliding groove 21321. A warped elastic piece is arranged on the fourth limiting portion 233, and the elastic piece is abutted against the second isolating portion 212.

Preferably, in order to improve the stability of the electrical connection, the third position-limiting portion 223 and the fourth position-limiting portion 233 are respectively bent and protruded towards the first electrical connector 12 and the conductive ring 131, and the bent and protruded portions are pressed inwards under the elastic action, so as to automatically compensate for a gap caused by abrasion and keep interference. One end of the inner ring 2131 penetrates into the second wiring cavity to isolate the first contact part 221 from the second contact part 231.

The base of the female connector 2 and the base of the male connector 1 are made of insulating plastics. The first, second, third and fourth

electrical connections

12, 13, 22, 23 are all made of an electrically conductive material, such as copper or the like.

When production, pass through screw thread screw in installation portion with first electric connector, insert second electric connector by the grafting chamber to first wiring chamber, change the release state into by compression state after the shell fragment on the spacing portion of second passes the second isolation portion to contradict with the second isolation portion, the turn-ups also contradicts with the grafting portion this moment, realizes second electric connector's spacing fixed, accomplishes the equipment of male joint. And inserting the third electric connector and the fourth electric connector into the female connector base from the second wiring cavity, and finishing the installation of the female connector through the limitation of the elastic sheet.

The use process of the rotary electric connector is illustrated by taking the connection between the tree poles as an example.

The male and female connectors are installed into the first and second trunks, respectively, with the first electrical connector electrically connected to the positive pole (or negative pole) of the first trunk and the second electrical connector electrically connected to the negative pole (or positive pole) of the first trunk. The third electrical connector is electrically connected to the positive pole (or negative pole) of the second tree, and the fourth electrical connector is electrically connected to the negative pole (or positive pole) of the second tree. The first tree trunk and the second tree trunk are mutually inserted, and the inserting part is matched with the joint part until the male joint base and the female joint base are mutually abutted. At the moment, the first electric connecting piece is inserted into the inner ring and is in friction interference with the third electric connecting piece, and the second electric connecting piece is inserted between the inner ring and the outer ring and is in friction interference with the fourth electric connecting piece, so that a complete electrifying loop is formed. When the first tree trunk and the second tree trunk relatively rotate, the first electric connecting piece and the third electric connecting piece relatively rotate, but the electric current still can pass through because the first electric connecting piece and the third electric connecting piece still keep conflicting, the second electric connecting piece and the fourth electric connecting piece relatively rotate, but the electric current still can pass through because the second electric connecting piece and the fourth electric connecting piece still keep conflicting, and therefore even if the rotation of more than 360 degrees is carried out, the first tree trunk and the second tree trunk still keep normal circuit connection, so that various types of electric elements placed on the tree trunk can be normally used.

It should be understood that in the description of the present application, the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application. The terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning 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 this application will be understood to be a specific case for those of ordinary skill in the art.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that numerous changes and modifications can be made by those skilled in the art without departing from the spirit of the invention and it is intended that the invention encompass such changes and modifications as well.

Claims

1. The utility model provides a rotatory electric connector, includes mutual grafting complex male joint and female joint which characterized in that:

the male connector comprises a male connector base, a first electric connecting piece fixedly arranged at the axle center of the male connector base and a second electric connecting piece inserted in the male connector base, wherein the first electric connecting piece comprises a cylindrical contact part, and the second electric connecting piece comprises a conductive ring coaxially arranged with the first electric connecting piece at a spacing;

the female connector comprises a female connector base, a third electric connecting piece and a fourth electric connecting piece, wherein the female connector base is rotatably sleeved on the male connector base, and the third electric connecting piece and the fourth electric connecting piece are inserted in the female connector base.

2. A rotary electrical connector as claimed in claim 1, wherein:

the male connector base comprises a first peripheral part and a first isolation part, the first isolation part is arranged in the first peripheral part and divides an inner cavity of the first peripheral part into a first wiring cavity and an insertion cavity, the first electric connector and the second electric connector penetrate through the first isolation part, and the contact part and the conducting ring are both positioned in the insertion cavity;

3. A rotary electrical connector as claimed in claim 2, wherein: the male connector base further comprises an installation part arranged on the first isolation part, the installation part is located in the first wiring cavity, the first electric connector further comprises a first limiting part connected with the contact part, and the first limiting part is in threaded connection with an installation hole formed in the installation part.

4. A rotary electrical connector as claimed in claim 3, wherein: the male connector base further comprises an inserting part arranged on the first isolation part, the inserting part is located in the inserting cavity, the female connector base further comprises a joint part matched with the inserting part, and the joint part comprises an inner ring and an outer ring which are coaxially arranged and clamped on the inner side and the outer side of the inserting part.

5. A rotary electrical connector as claimed in claim 4, wherein: the second electric connector further comprises a second limiting part connected with the conducting ring, a warped elastic sheet is arranged on the second limiting part, the second limiting part penetrates into the first wiring cavity to enable the elastic sheet to be abutted against the first isolating part, the conducting ring is sleeved outside the inserting part, and a flange covering the end face of the inserting part is arranged.

6. A rotary electrical connector as claimed in claim 5, wherein:

the third electric connector also comprises a first abutting part and a third limiting part, the first abutting part is positioned in the second wiring cavity and is abutted against the second isolating part, a warped elastic sheet is arranged on the third limiting part, and the third limiting part penetrates into the second wiring cavity to enable the elastic sheet to be abutted against the second isolating part;

the fourth electric connector further comprises a second abutting portion and a fourth limiting portion, the second abutting portion is located in the second wiring cavity and is abutted to the second isolation portion, a warped elastic sheet is arranged on the fourth limiting portion, and the fourth limiting portion penetrates into the second wiring cavity to enable the elastic sheet to be abutted to the second isolation portion.

7. A rotary electrical connector as claimed in claim 6, wherein:

the first electric connector further comprises a first wiring part connected with the first limiting part, the second electric connector further comprises a second wiring part connected with the second limiting part, and the first wiring part and the second wiring part are located in the first wiring cavity and extend along the axial direction far away from the first isolating part;

the third electric connector further comprises a third wiring portion connected with the first abutting portion, the fourth electric connector further comprises a fourth wiring portion connected with the second abutting portion, and the third wiring portion and the fourth wiring portion are located in the second wiring cavity and extend in the axis direction far away from the second isolating portion.

8. A rotary electrical connector as claimed in claim 7, wherein: and the first peripheral part is provided with an avoiding groove corresponding to the second wiring part.

9. A rotary electrical connector as claimed in claim 7, wherein:

the inner ring is provided with a first sliding groove communicated with the second wiring cavity, the first sliding groove is communicated with the inner cavity of the inner ring, and the third limiting part is inserted into the first sliding groove;

and a second sliding groove communicated with the second wiring cavity is formed in the outer ring, the second sliding groove is communicated with the inner cavity of the outer ring, and the fourth limiting part is inserted into the second sliding groove.

10. A rotary electrical connector as claimed in claim 9, wherein:

the outer side of the first peripheral part is also provided with a first clamping groove extending axially, the male joint base further comprises first supporting parts, the first supporting parts are symmetrically arranged on two sides of the mounting part and connected with the first peripheral part, and a first positioning hole penetrating through the first supporting parts is formed in the first clamping groove;

the outer side of the second peripheral portion is further provided with a second clamping groove extending axially, the female joint base further comprises a second supporting portion, the second supporting portion is symmetrically arranged on the inner side face of the second peripheral portion, and a second positioning hole penetrating into the second supporting portion is formed in the second clamping groove.