CN218334608U - Novel plug - Google Patents

Abstract

The utility model discloses a novel plug, including shell and electric installation, electric installation includes two at least inserted sheets and the electricity subassembly that connects that corresponds with it, the one end of inserted sheet stretches into with corresponding in the shell connect the electricity subassembly to connect, connect the electricity subassembly to be in through connecting the casing setting in the shell, it includes binding post and screw at least to connect the electricity subassembly, wherein, binding post with connect casing sliding fit, be provided with the wiring groove in the binding post, the first end of inserted sheet is provided with the preforming, the preforming stretches into in the wiring groove, the screw drives it is relative to connect the electricity subassembly the connection casing slides, the wiring groove bottom surface with the preforming cooperation is to stretching into the electric wire of wiring groove compresses tightly, can not twist the electric wire and hinder, damage to make the electric wire pass through the preforming with the inserted sheet electricity is connected.

Description

Novel plug

Technical Field

The utility model relates to the technical field of plugs, especially, relate to a novel plug.

Background

The Connector (Connector) of a general electronic product and the Pin (Pin) of an electrical appliance are called as plugs. A plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole.

When the existing plug is connected with an electric wire, one end of the electric wire generally extends into the plug, and then the electric wire is screwed with an electric terminal in the plug through a screw, so that the purpose of conduction is achieved. However, when the wire is tightly pressed by the screw, the wire is easily damaged and crushed when the screw rotates, which affects the connection effect and service life of the wire.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a novel plug, when connecting wire, need not directly screw up the electric wire through the screw, effectually prevent that the electric wire from twisting injure, damaging.

The utility model discloses a novel plug, which comprises a shell and an electricity connecting device, wherein the electricity connecting device comprises at least two inserting pieces and electricity connecting components corresponding to the inserting pieces, one end of each inserting piece extends into the shell to be connected with the corresponding electricity connecting component, the electricity connecting components are arranged in the shell through a connecting shell, the electricity connecting components at least comprise a wiring terminal and a screw, wherein,

the wiring terminal is in sliding fit with the connecting shell, a wiring groove is formed in the wiring terminal, a pressing sheet is arranged at the first end of the inserting sheet, the pressing sheet extends into the wiring groove, the screw drives the power connection assembly to be opposite to the connecting shell to slide, and the bottom of the wiring groove is matched with the pressing sheet to compress an electric wire extending into the wiring groove.

Furthermore, a sliding groove is formed in the connecting shell, and the wiring terminal is in sliding fit with the connecting shell in the sliding groove.

Further, the screw with binding post screw-thread fit, the inserted sheet is right the screw location, when rotating during the screw, the screw drives binding post follows connect the casing and slide.

Furthermore, a stopping structure is arranged on the inserting piece, the stopping structure prevents the inserting piece from moving towards the direction extending out of the shell, and the pressing piece stops the screw.

Furthermore, backstop structure is including setting up backstop portion on the inserted sheet and setting up and being in connect the backstop groove on the casing, backstop groove passes through backstop portion stops the inserted sheet breaks away from the shell.

Furthermore, the connecting shell is positioned in the shell through a positioning structure and is fixed through a clamping structure.

Further, the shell includes epitheca and inferior valve, be provided with the locking screw on the inferior valve, be provided with on the epitheca with locking screw complex nut, the locking screw with nut screw-thread fit will the epitheca with the inferior valve is fixed.

Furthermore, the one end of locking screw is provided with connecting portion, connecting portion pass through the connecting hole the inferior valve and with set up nut screw-thread fit on the epitheca, it is right to set up in the connecting hole the backstop arch that connecting portion carry out the backstop.

Further, the plug is a three-phase plug with three blades.

The technical scheme of the utility model, compared with the prior art, beneficial effect is:

when the electric wire is required to be connected, the screw is rotated to drive the wiring terminal to slide relative to the connecting shell until the bottom surface of the wiring groove and the pressing sheet clamp and fix the electric wire, the electric wire cannot be damaged by twisting, and the electric wire is electrically connected with the inserting sheet through the pressing sheet.

Drawings

FIG. 1 is a schematic view of a plug;

FIG. 2 is an exploded view of the plug;

FIG. 3 is a cross-sectional view of the plug from one perspective;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is a schematic view of the wire connection assembly when connected to the connection housing;

FIG. 6 is a cross-sectional view of the plug from another perspective;

FIG. 7 is an enlarged view of area B of FIG. 6;

description of the figures

100. A plug; 10. a housing; 11. an upper shell; 12. a lower case; 121. connecting holes; 122. a stop projection; 123. a stopping groove; 13. connecting the shell; 131. a chute; 14. an inner shell; 141. a notch groove; 15. locking screws; 151. a connecting portion; 16. a nut; 20. a power connection device; 21. inserting sheets; 211. Tabletting; 212. a stopper portion; 22. a power connection assembly; 221. a wiring terminal; 222. a screw; 223. And a wiring slot.

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 should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component or intervening components may exist. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be noted that, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, 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.

As shown in fig. 1 and fig. 2, the utility model discloses a novel plug 100, including shell 10, connect electric installation 20 and connect casing 13, connect electric installation 20 to include two at least inserted sheets 21 and connect electric subassembly 22 that corresponds with it, connect electric subassembly 22 to set up inside shell 10, and with it cooperates to connect casing 13, the one end of inserted sheet 21 is located inside shell 10, the other end stretches into connect in the shell 10 with connect electric subassembly 22 to connect.

In the present application, the number of the blades 21 may be two or three, when there are two blades 21, the two blades 21 are distributed according to the standard, and the plug 100 is a two-phase plug; when the number of the inserting pieces 21 is three, the three inserting pieces 21 are arranged according to standard distribution, and the plug 100 is a three-phase plug.

The quantity of connecting electric subassembly 22 with the quantity of inserted sheet 21 is the same, every inserted sheet 21 respectively with corresponding connect electric subassembly 22 cooperation, it is a plurality of connect electric subassembly 22 to pass through simultaneously connect casing 13 to set up in the inside of shell 10.

As shown in fig. 3 and 4, the housing 10 includes an upper shell 11 and a lower shell 12, and the electrical connection component 22 is located in a housing formed by connecting the upper shell 11 and the lower shell 12. Be provided with locking screw 15 on the inferior valve 12, epitheca 11 be fixed with locking screw 15 complex nut 16, work as epitheca 11 with inferior valve 12 is fixed, locking screw 15 with nut 16 screw-thread fit will epitheca 11 with inferior valve 12 is together fixed.

Further, a coupling portion 151 is provided at one end of the locking screw 15, the coupling portion 151 passes through the lower case 12 through a coupling hole 121 and is screw-engaged with a nut 16 provided on the upper case 11, and a stopper protrusion 122 for stopping the coupling portion 151 is provided in the coupling hole 121. Specifically, the locking screw 15 can rotate relative to the lower shell 12, and when the locking screw 15 is separated from the lower shell 12 through the connecting hole 121, the stop protrusion 122 prevents the connecting portion 151 from being separated from the connecting hole 121, so as to prevent the locking screw from being completely separated from the lower shell 12. The locking screw 15 is movable relative to the coupling hole 121 within a certain range so that the locking screw 15 can be screw-engaged with the nut 16, and when the housing 10 is disassembled, the locking screw 15 cannot be removed from the lower case 12, and the locking screw 15 can be prevented from being lost.

As shown in fig. 2, the connecting housing 13 and the lower housing 12 are integrally formed, an inner housing 14 is sleeved outside the connecting housing 13, and the electrical connection assembly 22 is disposed on the connecting housing 13 and externally sleeved on the inner housing 14.

The inner shell 14 is positioned in the outer shell 10 by a positioning structure and is fixed by a clamping structure. Specifically, location structure is including setting up protruding and setting of location on the inferior valve 12 are in constant head tank on the inner shell 14, work as inner shell 14 with when the shell 10 cooperates, the location is protruding to be passed through the constant head tank is right the inner shell 14 location will make the inner shell 14 is located corresponding position, is convenient for the inner shell 14 pass through the joint structure with the shell 10 joint. The clamping structure comprises a buckle arranged on the lower shell 12 and a buckle hole corresponding to the buckle on the inner shell 14.

Referring to fig. 5 and 6 in combination with fig. 2, further, the electrical connection assembly 22 includes a connection terminal 221 and a screw 222, the screw 222 is in threaded fit with the connection terminal 221, the connection terminal 221 is slidably disposed on the connection housing 13, one end of the insertion sheet 21 extends into the housing 10 to be matched with the connection terminal 221, and the screw 222 can drive the connection terminal 221 to be matched with one end of the insertion sheet 21 to clamp an electrical wire, so that the insertion sheet 21 is electrically connected with the electrical wire.

Furthermore, one end of the inserting piece 21 extending into the housing 10 is provided with a pressing piece 211, the pressing piece 211 is matched with the connecting terminal 221 to clamp and fix the electric wire, and the electric wire is electrically connected with the inserting piece 21 through the pressing piece 211. The pressing piece 211 may be a separate element or may be integrally formed with the inserting piece 21, and is not particularly limited thereto.

Furthermore, a wiring groove 223 is formed in the wiring terminal 221, the pressing piece 211 can extend into the wiring groove 223, the screw 222 is in threaded fit with the wiring terminal 221, and when the screw 222 rotates, the wiring terminal 221 can be driven to slide relative to the connection housing 13 until the bottom surface of the wiring groove 223 is matched with the pressing piece 211 to press an electric wire extending into the wiring groove 223.

Further, a sliding groove 131 is provided on the connecting housing 13, and the connecting terminal 221 is slidably fitted with the connecting housing 13 in the sliding groove 131. The inner housing 14 is provided with a notch 141 corresponding to the screw 222.

Further, the screw 222 is in threaded fit with the connection terminal 221, the insertion piece 21 positions the screw 222, and when the screw 222 is rotated, the screw 222 drives the connection terminal 221 to slide along the connection housing 13. Specifically, when the screw 222 is rotated, the screw 222 cannot be linearly displaced, and at this time, the connection terminal 221 is driven to slide along the sliding groove 131, so as to change the distance between the pressing piece 211 and the bottom surface of the connection groove 223.

Further, the inserting piece 21 is provided with a stopping structure, the stopping structure prevents the inserting piece 21 from moving in a direction extending out of the housing 10, and the pressing piece 211 stops the screw 222, so that the screw 222 can only rotate and cannot axially move in a direction approaching to the pressing piece 211, and therefore the screw 222 can be rotated to drive the connecting terminal 221 to slide relative to the chute 131.

As shown in fig. 7, in particular, the stopping structure includes a stopping portion 212 disposed on the inserting sheet 21 and a stopping groove 123 disposed on the connecting shell 13, and the stopping groove 123 stops the inserting sheet 21 from being separated from the housing 10 by the stopping portion 212. When the stopping portion 212 extends into the stopping groove 123, the stopping groove 123 stops the inserting piece 21 at least in one direction through the stopping portion 212, so that the inserting piece 21 is separated from the housing 10, the bottom end of the screw 222 abuts against the inserting piece 21, and therefore the pressing piece 211 stops the screw 222 when the screw 222 rotates.

In the present application, the locking screw 15 is provided on the lower case 12, and the locking screw 15 is prevented from being detached from the lower case 12 by the connecting portion 151, so that the locking screw 15 can be prevented from being lost when the housing 10 is disassembled; when the electric wire is connected, the screw 222 drives the wiring terminal 221 to move, so that the bottom surface of the wiring groove 223 is matched with the pressing sheet 211 to clamp the electric wire, the screw 222 cannot directly contact the electric wire, and the electric wire is prevented from being twisted and damaged.

The present invention can be designed in various embodiments and modifications without departing from the spirit and scope of the present invention in its broadest sense, and the above-described embodiments are intended to illustrate the present invention, but not to limit the scope of the present invention.

Claims (9)

1. A novel plug comprises a shell and an electric connection device, wherein the electric connection device comprises at least two insertion pieces and electric connection components corresponding to the insertion pieces, one ends of the insertion pieces extend into the shell to be connected with the corresponding electric connection components, the novel plug is characterized in that the electric connection components are arranged in the shell through a connecting shell, the electric connection components at least comprise wiring terminals and screws, wherein,

binding post with connect casing sliding fit, be provided with the wiring groove in the binding post, the first end of inserted sheet is provided with the preforming, the preforming stretches into in the wiring groove, the screw drives it is relative to connect the electric subassembly connect the casing slip, the wiring groove bottom surface with the preforming cooperation is to stretching into the electric wire in wiring groove compresses tightly.

2. A novel plug according to claim 1 wherein said connecting housing is provided with a slide slot in which said terminal is slidably engaged with said connecting housing.

3. The novel plug of claim 1 wherein said screw is threadably engaged with said terminal, said blades being positioned relative to said screw such that rotation of said screw causes said terminal to slide along said connector housing.

4. A novel plug as claimed in claim 3 wherein said blades are provided with stop means which prevent movement of said blades in a direction extending out of said housing, said tabs stopping said screws.

5. The novel plug of claim 4 wherein said stop structure includes a stop portion disposed on said blade and a stop slot disposed on said connecting shell, said stop slot preventing said blade from disengaging said shell through said stop portion.

6. The novel plug of claim 1 wherein said connecting housing is retained within said housing by a retention structure and secured by a snap-fit structure.

7. The novel plug of claim 1, wherein the housing comprises an upper shell and a lower shell, the lower shell is provided with a locking screw, the upper shell is provided with a nut engaged with the locking screw, and the locking screw is engaged with the nut to fix the upper shell and the lower shell.

8. The novel plug according to claim 7, wherein a connecting portion is provided at one end of the locking screw, the connecting portion passes through the lower case through a connecting hole and is screw-engaged with a nut provided on the upper case, and a stopper protrusion for stopping the connecting portion is provided in the connecting hole.

9. The novel plug of claim 1 wherein said plug is a three phase plug having three of said blades.

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