CN106602311B

CN106602311B - Plug assembly and plug

Info

Publication number: CN106602311B
Application number: CN201611228848.5A
Authority: CN
Inventors: 文彩方; 沈锦祥
Original assignee: Sengled Co Ltd
Current assignee: Sengled Co Ltd
Priority date: 2016-12-27
Filing date: 2016-12-27
Publication date: 2020-05-12
Anticipated expiration: 2036-12-27
Also published as: CN106602311A

Abstract

The invention provides a plug assembly and a plug. Wherein, the plug subassembly includes: the conductive plug-in sheet comprises a bottom cover, a conductive plug-in sheet and an electric connecting sheet; the conductive insertion sheet is inserted on the bottom cover and is fixed with the bottom cover; the one end of electricity connection piece is formed with and is used for the connecting portion in order to realize the electricity to be connected with the contact pin cooperation, just the other end extension of electricity connection piece is formed with the welding part, the welding part with the top of conductive insertion piece is in the same place through the laser welding. The plug includes: the plug comprises a plug body and the plug assembly, wherein the plug body is detachably connected with the plug assembly; the plug body comprises a contact pin, and the contact pin is used for being electrically connected with the connecting part of the plug assembly. The plug assembly and the plug provided by the invention can improve the conductivity and avoid poor contact.

Description

Plug assembly and plug

Technical Field

The invention relates to a plug assembly and a plug, and belongs to the technical field of conductive connection.

Background

The movable plug comprises a plug body and a plug assembly which can be detachably connected with the plug body. When the plug assembly and the plug body are connected together, the contact pins arranged on the plug body are inserted into the plug assembly and are conducted with the conducting strips on the plug assembly.

Plug assemblies in use today include: the conductive sheet is arranged on the shell in a penetrating way and is used for being matched with the socket; the needle base is also arranged on the shell in a penetrating way and is used for being matched with the contact pin of the plug body; the conducting strip is electrically connected with the needle base through a conducting wire. When the plug assembly is used, the plug assembly is installed on the plug body and then inserted into the socket, so that the conducting strips of the plug assembly are conducted with the conducting strips of the socket and then output current sequentially through the conducting wires, the needle bases and the contact pins.

However, the conventional plug assembly is connected by a wire, and the problem of poor contact often occurs.

Disclosure of Invention

The invention provides a plug assembly and a plug, which aim to solve the problem of poor contact of the plug assembly in the prior art.

According to some embodiments, there is provided a plug assembly comprising: the conductive plug-in sheet comprises a bottom cover, a conductive plug-in sheet and an electric connecting sheet; the conductive insertion sheet is inserted on the bottom cover and is fixed with the bottom cover; the one end of electricity connection piece is formed with and is used for the connecting portion in order to realize the electricity to be connected with the contact pin cooperation, just the other end extension of electricity connection piece is formed with the welding part, the welding part with the top of conductive insertion piece is in the same place through the laser welding.

In a further refinement of the above plug assembly, the connecting portion includes a receptacle for receiving and contacting the pin for electrical conduction.

In a further improvement of the above plug assembly, the cross-section of the receptacle is circular, elliptical or polygonal.

In a further improvement of the above plug assembly, the welding is laser welding.

In a further improvement of the above plug assembly, a positioning structure is formed on the bottom cover, and the positioning structure is used for positioning the electrical connection sheet.

In a further improvement of the above plug assembly, the positioning structure comprises: first location muscle and second location muscle, first location muscle and second location muscle are located respectively the both sides of electricity connection piece are in order to right the electricity connection piece is fixed a position.

The plug assembly further comprises a cover body, wherein the cover body is buckled on the bottom cover and forms an accommodating space for accommodating the electric connecting sheet with the bottom cover.

In a further improvement of the above plug assembly, the cover includes a side cover that is snap-fitted to the bottom cover.

In a further improvement of the above plug assembly, the cover body further includes a gland, and the gland is connected with the top of the side cover in a clamping manner.

In a further improvement of the above plug assembly, the cover body is formed with a connector, and the connecting portion is accommodated in an accommodating hole of the connector.

According to some embodiments, there is provided a plug comprising: the plug comprises a plug body and the plug assembly, wherein the plug body is detachably connected with the plug assembly; the plug body comprises a contact pin, and the contact pin is used for being electrically connected with the connecting part of the plug assembly.

According to the plug assembly and the plug provided by the invention, the electric connecting sheet is used for carrying out laser welding with the conductive inserting sheet, so that the number of welding spots can be reduced, the conductive performance is improved, poor contact is avoided, and meanwhile, the assembling strength can be reduced, so that the assembling efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a plug assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a top view of the bottom cover assembly of FIG. 2;

fig. 4 is a schematic structural view of the bottom cover in fig. 2.

In the figure:

1. a plug assembly; 111. A bottom cover;

1111. a first positioning rib; 1113. A second positioning rib;

1115. a rib is protruded; 1117. A screw seat;

113. a conductive insert; 115. An electrically connecting sheet;

1151. a connecting portion; 1153. Welding the part;

1155. an extension portion; 13. A side cover;

131. positioning the projection; 133. A notch;

135. a card slot; 15. A gland;

151. a top plate; 153. A side plate;

155. a connector; 17. And (4) bolts.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description set forth herein is merely illustrative and explanatory of the present invention and is not restrictive of the invention as claimed below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying 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 thus, should not be construed as limiting the present invention.

Fig. 1 is a schematic structural diagram of a plug assembly provided in this embodiment; FIG. 2 is an exploded view of FIG. 1; FIG. 3 is a top view of the bottom cover assembly of FIG. 2; fig. 4 is a schematic structural view of the bottom cover in fig. 2.

As shown in fig. 1 to 4, the plug assembly 1 provided in the present embodiment includes: a bottom cover 111, conductive tabs 113, and electrical connection tabs 115.

The bottom cover 111 may be a circular plastic piece, and the bottom cover 111 may have other shapes or be made of other materials.

The conductive tabs 113 extend from below through the bottom cover 111 to above, i.e., the conductive tabs 113 are inserted into the bottom cover 111 and fixed with the bottom cover 111. Specifically, during manufacturing, the conductive insert 113 (e.g., a copper sheet) may be embedded into the bottom cover 111 by injection molding, so that the bottom cover 111 and the conductive insert 113 are formed as a single piece, thereby improving the connection strength between the bottom cover 111 and the conductive insert 113. Of course, the conductive tabs 113 are not excluded from being secured to the bottom cover 111 by other methods known in the art, such as interference fit. In addition, the middle portion between the upper and lower ends of the conductive tab 113 may be coated with an injection molded part to prevent electrical leakage, and such coating may be performed by any method known in the art.

An electrical connection sheet 115 is disposed above the bottom cover 111, and a connection portion 1151 for mating with a pin is formed at one end (left end in fig. 2) thereof, thereby achieving electrical connection of the pin and the electrical connection sheet 115; and the other end (the right end in fig. 2) thereof extends to the top of the conductive tab 113 to form a soldering portion 1153, so that the right end of the electrical connector 115 is soldered to the top end of the conductive tab 113. Preferably, the top ends of the electric connection sheet and the conductive insertion sheet can be welded together in a laser welding mode, so that the welding difficulty is reduced. More preferably, as shown in fig. 3, two welding points are provided at the top ends of the electrical connection sheet 115 and the conductive insert sheet 113 to improve the connection strength and the electrical conductivity of the conductive insert sheet 113 and the electrical connection sheet 115. Additionally, the solder 1153 may be folded at the right end in the direction of the connection 1151 to accommodate different mounting heights while achieving good solder to the top of the conductive tab 113. Still preferably, the electrical connection pad 115 is made of copper, but of course, other metal materials are possible.

It should be noted that the number of the conductive tabs 113 and the number of the electrical connection sheets 115 need to be set according to the specific plug type, a two-hole plug using two conductive tabs 113 and two electrical connection sheets 115 is shown in the figure, and a three-hole plug can also be made by using three conductive tabs 113 and three electrical connection sheets 115.

The plug assembly 1 of this embodiment comes to carry out laser welding with electrically conductive inserted sheet 113 through using electric connection sheet 115, can reduce solder joint quantity, improves electric conductive property, avoids contact failure, can also reduce assembly strength simultaneously to improve assembly efficiency. Moreover, the plug assembly 1 of the embodiment has the advantages of simple structure, convenience in assembly and low cost.

Further, in an alternative manner, the connection portion 1151 may include a receptacle for receiving and contacting the pin to conduct electricity. Specifically, as shown in fig. 2, a circular base is integrally formed at the left end of the electrical connection sheet 115, and a circular hole having a cross-sectional diameter gradually decreasing toward the left end is formed in the base. More specifically, the insertion hole formed in the base is surrounded by three contact pieces integrally formed with the base, and the three contact pieces have certain elasticity, so that when the contact pin is inserted into the insertion hole, the three contact pieces can press the contact pin under elastic action to realize good electric conduction. In addition, the cross section of the insertion hole can be an ellipse or a polygon.

In another alternative, the connection portion 1151 may include a resilient abutting region against which the pin abuts when inserted, and the pin is brought into close contact with the connection portion 1151 of the electrical connection sheet 115 by the resilient force of the resilient abutting region, thereby achieving a good electrical conduction. Specifically, the connection portion 1151 of the electrical connection sheet 115 may be made of a metal material having a good elastic property.

Further, a positioning structure for positioning the electrical connection sheet 115 may be formed on the bottom cover 111. Specifically, the positioning structure may be any structure used for realizing a positioning function in the prior art, such as a positioning rib, a positioning block, or a positioning groove. Preferably, referring to fig. 2 and 3, the positioning structure may include: a first positioning rib 1111 and a second positioning rib 1113. The first positioning rib 1111 and the second positioning rib 1113 are respectively located on two sides of the electrical connection sheet 115 to position the electrical connection sheet 115. Specifically, the first positioning rib 1111 and the second positioning rib 1113 are provided on the outer side and the inner side of the electrical connection sheet 115, respectively, from the perspective of fig. 2. More specifically, first location muscle 1111 and second location muscle 1113 can set up in the position of hugging closely electric connection piece 115 to second location muscle 1113 sets up the inboard at welding part 1153, in order to provide better positioning action, thereby make things convenient for to weld through laser welding between electric connection piece 115 and the electrically conductive inserted sheet 113, avoid both contact failure. In addition, the process difficulty in welding can be reduced, and the assembly efficiency is improved. More preferably, the electrical connection sheet 115 extends toward the first positioning rib 1111 to form an extension 1155, and the extension 1155 covers the top of the first positioning rib 1111. By forming the extension 1155 on the electrical connection sheet 115, the stability of the electrical connection sheet 115 can be improved.

Further, the plug assembly 1 further includes a cover body fastened on the bottom cover 111 and forming an accommodating space with the bottom cover 111 for accommodating the electrical connection sheet 115. Specifically, the cover body can be fixed on the cover body through various fixing methods in the prior art, such as a threaded connection, a bolt 17 connection, a snap connection, and the like. Through setting up the lid, can seal plug subassembly 1 in accommodation space, improve the security. In addition, the cover may be made from any material known in the art, such as plastic; and the external shape of the cover body can be selected according to actual needs, and for example, the cover body can be cylindrical or prismatic.

Further, as shown in fig. 1 and 2, the cover body may include a side cover 13, and the side cover 13 is fastened to the bottom cover 111. Preferably, a step is formed on the side wall of the bottom cover 111, and a step is formed on the bottom of the side cover 13 to cooperate with the step, so as to achieve the purpose of fastening the side cover 13 to the bottom cover 111 when assembling. More preferably, in order to achieve positioning at the time of assembly, a rib 1115 is formed on the bottom cover 111, and correspondingly, a groove (not shown) is formed on the side cover 13 to be engaged with the rib 1115. In addition, a positioning protrusion 131 may be formed on the inner wall of the side cover 13 to cooperate with the first positioning rib 1111, so as to further improve the positioning effect when the side cover 13 is mounted on the bottom cover 11 and to perform a certain connection function. Of course, any suitable manner in the prior art can be used to fasten the side cover 13 to the bottom cover 111, and will not be described herein.

Further, with continued reference to fig. 1 and 2, the cover may further include a cover 15, and the cover 15 is snap-fit to the top of the side cover 13. For example, the gland 15 may include a top plate 151 and a side plate 153. Wherein, a step is formed on the top plate 151, correspondingly, a step which is matched with the step of the top plate 151 is formed on the top of the side cover 13, and a notch 133 which is matched with the shape of the side plate 153 of the gland 15 is formed on one side of the side cover 13. Preferably, a protrusion is formed at the bottom of the side plate 153, and a locking groove 135 matched with the protrusion is formed at the notch 133 of the side cover 13. Of course, the gland 15 and side plate 153 may take other shapes, such as side cover 13 having only top plate 151. Still preferably, the pressing cover 15 and the bottom cover 111 are fixed together by a fixing member. Specifically, a through hole is formed in the pressing cover 15, a screw seat 1117 is formed in the bottom cover 111, and a bolt 17 is screwed into the screw seat 117 through the through hole in the pressing cover, thereby achieving the purpose of fastening the pressing cover 15, the side cover 13 and the bottom cover 111 together.

Further, a connection head 155 may be formed on the cover body, and the connection portion 1151 may be received in a receiving hole formed in the connection head 155. Specifically, referring to fig. 1 and 2, a connecting head 155 is formed on the side plate 153 of the cover 15, and a receiving hole matching with the shape of the connecting portion 1151 is formed in the connecting head 155, so that the connecting portion 1151 of the electrical connector 115, such as a receptacle or an elastic contact area, can be received in the receiving hole when the cover 15 is mounted on the side cover 13, thereby improving the safety of the plug assembly 1.

The present embodiment also provides a plug, including: plug body and above-mentioned plug subassembly 1. Wherein the plug body and the plug assembly 1 are detachably connected, and the plug body is provided with a pin for electrical connection with the connecting portion 1151 of the plug assembly 1.

Specifically, the plug body is provided with a jack, and the contact pin is arranged in the jack. When the plug assembly 1 is used, the connecting head 155 of the plug assembly 1 is inserted into the jack, so that the contact between the pin and the electric connecting sheet 115 can be conveniently realized to realize electric connection.

The plug of this embodiment, its plug subassembly 1 comes to carry out laser welding with electrically conductive inserted sheet 113 through using electric connecting sheet 115, can reduce solder joint quantity, improves electric conductive property, avoids contact failure, can also reduce assembly strength simultaneously to improve assembly efficiency.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plug assembly, comprising: the conductive plug-in sheet comprises a bottom cover, a conductive plug-in sheet and an electric connecting sheet;

the conductive insertion sheet is inserted on the bottom cover and is fixed with the bottom cover;

one end of the electric connecting sheet is provided with a connecting part which is used for being matched with a contact pin to realize electric connection, the other end of the electric connecting sheet extends to form a welding part, and the welding part is welded with the top end of the conductive insertion sheet;

a positioning structure is formed on the bottom cover and used for positioning the electric connecting sheet; the location structure includes first location muscle and second location muscle, first location muscle is located the outside of electricity connection piece, second location muscle is located the inboard of electricity connection piece, electricity connection piece is past first location muscle extends and is formed with the extension, the extension cladding the top of first location muscle.

2. The plug assembly of claim 1, wherein the connecting portion includes a receptacle for receiving and contacting the pin for electrical conduction.

3. The plug assembly of claim 2, wherein the cross-section of the receptacle is circular, elliptical, or polygonal.

4. A header assembly according to any of claims 1-3 wherein the weld is a laser weld.

5. The plug assembly of any one of claims 1-3, further comprising a cover body, wherein the cover body is fastened to the bottom cover and forms a receiving space with the bottom cover for receiving the electrical connection sheet.

6. The plug assembly of claim 5, wherein said cover includes a side cover; the side cover is buckled on the bottom cover.

7. The plug assembly of claim 6, wherein said cover further comprises a gland; the gland is connected with the top of the side cover in a clamping mode.

8. The plug assembly of claim 5, wherein the cover has a connector formed thereon, and the connecting portion is received in a receiving hole of the connector.

9. A plug, comprising: a plug body and the plug assembly of any of claims 1-8, the plug body and the plug assembly removably connected;

the plug body comprises a contact pin, and the contact pin is used for being electrically connected with the connecting part of the plug assembly.