CN210723439U

CN210723439U - Self-tightening two-pin plug

Info

Publication number: CN210723439U
Application number: CN201921742017.9U
Authority: CN
Inventors: 周凡; 谭建国; 邹明龙; 刘原
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-09
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to a two foot plugs of self-clinching formula, include: the shell is provided with two oppositely arranged insertion grooves; the part of the inserting piece is inserted into the corresponding inserting groove, and an inserting part and a wiring part are formed at the two end parts of the inserting piece; the insulating part is arranged on the inserting piece and is positioned in the inserting groove; the elastic piece is supported and connected between the two insulating pieces, is positioned in the shell and applies elastic force to the two inserting pieces to move towards the direction away from each other; wherein, be formed with between cartridge groove and the inserted sheet and adjust the space to two inserted sheets are the slope form setting that two wiring portions kept away from each other under the spring action of elastic component. The utility model discloses a two foot plugs of self-tightening formula disappear when the elasticity of the reed in the jack and can't press from both sides tight inserted sheet, the inserted sheet is the slope form and can increase with the be connected of reed closely degree under the elastic action of elastic component, has realized the self-tightening function to the power consumption potential safety hazards such as electric spark that the virtual connecing arouses have been reduced.

Description

Self-tightening two-pin plug

Technical Field

The utility model relates to a technical field of plug structure refers in particular to a self-clinching formula two-pin plug.

Background

In daily life, the life scenes of using the plug to get electricity are very many. And the elasticity of the reeds of the socket disappears in the long-term use process, the tightness of the socket to the plug is reduced, poor contact is often caused, and therefore fire and electric shock accidents are caused. At present, the socket is improved and the reliability of socket reeds is improved in the industry, but the plug is not improved all the time, so the two-pin flat plug is improved in some ways.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a two foot plugs of self-clinching formula, solve current socket self reed easy elasticity disappearance and the contact failure that can't press from both sides tight plug and lead to easily cause the problem of conflagration, contact accident etc. in the use.

The technical scheme for realizing the purpose is as follows:

the utility model provides a two foot plugs of self-clinching formula, include:

the shell is provided with two oppositely arranged insertion grooves;

the plug-in sheets are partially inserted into the corresponding plug-in slots, the parts of the plug-in sheets positioned outside the plug-in slots form plug-in parts, and the ends of the plug-in sheets positioned in the plug-in slots form wiring parts;

the insulating part is arranged on the inserting piece and close to the wiring part, and the insulating part is positioned in the inserting groove; and

the elastic piece is supported and connected between the two insulating pieces and positioned in the shell, and the elastic piece applies elastic force to the two inserting pieces to move towards the direction away from each other;

wherein, the cartridge slot with be formed with between the inserted sheet and adjust the space to two inserted sheets are in the slope form setting that two wiring portions kept away from each other is in under the spring action of elastic component.

The utility model discloses an inserted sheet of two foot plugs of self-tightening is when inserting on the socket in the jack, and the inserted sheet that corresponds can be carried to the reed in the jack, and the utility model discloses the elastic component that sets up can apply outside elasticity to the grafting portion of inserted sheet and make the inserted sheet be the slope form, like this when the elasticity of the reed in the jack disappears and can't press from both sides tight inserted sheet, the inserted sheet is the slope form and can increase the degree of being connected with the reed under the elastic action of elastic component, has realized the self-tightening function to the power consumption potential safety hazards such as electric spark that the virtual connecing arouses have been reduced.

The self-tightening two-pin plug of the utility model is further improved in that a pair of limiting grooves which are oppositely arranged are arranged at the notch part corresponding to the inserting groove in the shell, and the limiting grooves are communicated with the inserting groove;

the insert is provided with a limiting pin corresponding to the limiting groove, the limiting pin is inserted into the corresponding limiting groove, and a movable space is formed between the limiting groove and the limiting pin.

The self-tightening two-pin plug of the utility model is further improved in that the side part of the shell is provided with an embedded groove corresponding to the position of the insulating part, and the embedded groove is communicated with the inserting groove;

install a button in the caulking groove, the button is connected with the insulating part that corresponds, through pressing the button so that the button promotes the insulating part extrusion that corresponds the elastic component, and then makes the wiring portion of two inserted sheets close to each other.

The self-tightening two-pin plug of the utility model is further improved in that one side of the inner wall surface of the insertion groove, which corresponds to the insulating part and is connected with the elastic part, is provided with an inward concave stop surface;

when the button pushes the corresponding insulating part to extrude the elastic part, the movement of the insulating part is limited by the abutting surface abutting against the insulating part.

The utility model discloses the further improvement of self-tightening formula two-pin plug lies in, correspond in the casing the elastic component has been seted up and has been supplied the holding the storage tank of elastic component, just the both ends mouth and the cartridge groove that corresponds of storage tank are linked together.

The utility model discloses the further improvement of two foot plugs of self-clinching formula lies in, be equipped with power supply socket on the casing, be equipped with the wiring pin in the power supply socket, the wiring pin pass through the wire and correspond wiring portion electricity is connected.

The utility model discloses the further improvement of two foot plugs of self-clinching formula lies in, be equipped with the power cord of fuse on the casing, the one end of power cord and the last electrode connection that corresponds of consumer, the other end with wiring portion electricity is connected.

The utility model discloses the further improvement of self-tightening formula two-pin plug lies in, the power cord with still be connected with the fuse between the wiring portion.

The utility model discloses self-tightening two-pin plug's further improvement lies in, the elastic component is the spring.

The utility model discloses self-tightening two-pin plug's further improvement lies in, the insulating part cover is established and is fixed in on the inserted sheet.

Drawings

Fig. 1 is a cross-sectional view of the self-tightening two-pin plug of the present invention when the insertion sheet is in an inclined state.

Fig. 2 is a cross-sectional view of the self-tightening two-pin plug of the present invention when the insertion pieces are in a vertical state.

Fig. 3 is a side view of the self-tightening two-pin plug insert of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1, the utility model provides a two foot plugs of self-clinching formula for improve its and the interior reed of socket be connected closely, with the power consumption potential safety hazards such as electric spark that reduce virtual connection and arouse. The utility model discloses improved two foot plugs, made it have from the function of holding, when the elasticity of the reed in the socket disappears, through the function of holding of the plug for plug and reed zonulae occludens improve the security of daily power consumption. The utility model discloses a two-pin plug can improve the power consumption security, effectively prevents because power consumption incident such as conflagration that the power consumption contact failure leads to. The structure of the self-tightening two-pin plug of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1, a cross-sectional view of the self-tightening two-pin plug of the present invention is shown when the insertion piece is in an inclined state. Referring to fig. 2, a cross-sectional view of the self-tightening two-pin plug of the present invention in a vertical state of the insertion sheet is shown. The structure of the self-tightening two-pin plug of the present invention will be described with reference to fig. 1 and 2.

As shown in fig. 1 and 2, the self-tightening two-pin plug 20 of the present invention includes a housing 21, an insertion piece 22, an insulating member 23, and an elastic member 24; two oppositely arranged inserting grooves 211 are arranged on the shell 21; the inserting pieces 22 are partially inserted into the corresponding inserting slots 211, the parts of the inserting pieces 22 outside the inserting slots 211 form inserting parts 221, and the ends of the inserting pieces 22 in the inserting slots 211 form wiring parts 222; the insulating part 23 is arranged on the inserting sheet 22 and close to the wiring part 222, and the insulating part 23 is positioned in the inserting groove 211; the elastic piece 24 is supported and connected between the two insulating pieces 23, the elastic piece 24 is positioned in the shell 21, and the elastic piece 24 applies elastic force to the two inserting pieces 22 to move towards the direction away from each other; an adjusting gap 2111 is formed between the insertion slot 211 and the insertion sheet 22, so that the two insertion sheets 22 are arranged in an inclined manner that the two wire connection portions 222 are away from each other under the elastic force of the elastic member 23.

The utility model discloses a space 2111 is adjusted in the design of two foot plugs 20 of self-tightening between cartridge groove 211 and inserted sheet 22, utilizes to adjust space 2111 for inserted sheet 22 provides position control's space, and inserted sheet 22 can remove the regulation in adjusting space 2111 under the spring action of elastic component 24 like this. And because the inserting sheet 22 is partially inserted into the inserting groove 211, the inserting groove 211 has a limiting function on the part of the inserting sheet 22 inserted therein, so that the elastic force of the elastic member 24 acts on the insulating member 23 and simultaneously acts on one end of the inserting part 222 of the inserting sheet 22, the inserting sheet 22 can be in an inclined state that one end of the inserting part 222 abuts against one side of the inserting groove 211 close to the outside of the housing 21, and the part of the inserting sheet 22 corresponding to the notch of the inserting groove 211 abuts against one side of the notch far from the outside of the housing 21, that is, the end parts of the inserting parts 221 of the two inserting sheets 22 are in a mutually close state. As shown in fig. 1, the maximum value of the angle a between the insert 22 in the tilted position and the insert 22 in the perpendicular position is 5 °.

When the plug-in connector is used, one plug-in part 221 can be abutted to one jack of a socket, and the other plug-in part 221 is abutted to the other jack of the socket, so that the limiting positions of the two jacks can enable the wiring parts 22 of the two insertion pieces 22 to extrude the elastic piece 24 to enable the two insertion pieces 22 to be vertical, and the two insertion pieces 22 in the vertical shape can be smoothly inserted into the jacks and then clamped by the reeds in the jacks. When the elasticity of the reed in the jack is not eliminated, the reed can clamp the inserting sheet to enable the inserting sheet to be kept vertical, the elastic piece 24 is in a compressed state, when the elasticity of the reed is eliminated, the reed cannot clamp the inserting sheet 22, the inserting sheet 22 is in an inclined state under the action of the elastic force of the elastic piece 24, the inserting sheet 22 in the inclined state can increase the connection tightness between the inserting sheet and the reed, virtual connection is avoided, and therefore the potential safety hazards of electric sparks and the like caused by the virtual connection are reduced.

In one embodiment, as shown in fig. 1 and fig. 2, a pair of opposite limiting grooves 212 is provided in the housing 21 corresponding to the notch of the insertion groove 211, and the pair of limiting grooves 212 is communicated with the insertion groove 211; the insert 22 is provided with a limit pin 223 corresponding to the limit groove 212, the limit pin 223 is inserted into the corresponding limit groove 212, and a movable space 2121 is formed between the limit groove 212 and the limit pin 223. This activity space 2121 provides the space that the activity was adjusted for the spacer pin 223 to do not hinder the inserted sheet 22 and according to the in service behavior automatically regulated to the tilt state, this spacer pin 223 card is located the spacing groove 212, can play spacing effect, can prevent that the inserted sheet 22 from deviating from in the cartridge groove 211. Preferably, the insertion sheet 22 is in an elongated shape, and two limiting pins 223 are disposed perpendicular to the insertion sheet 22.

In one embodiment, the side of the housing 21 is provided with a caulking groove 213 corresponding to the position of the insulating member 23, and the caulking groove 213 is communicated with the insertion groove 211; a button 25 is installed in the slot 213, the button 25 is connected to the corresponding insulating member 23, and the button 25 is pushed to push the corresponding insulating member 23 to press the elastic member 24, so that the connection portions 222 of the two blades 22 are close to each other. Preferably, the notch of the insertion groove 213 is formed at the side of the housing 21 such that the button 25 partially protrudes from the notch of the insertion groove 213. The button 25 that the insulating part 23 of two inserted sheets 22 corresponds is located the relative both sides of casing 21, through pressing button 25 to casing 21 inside, also apply two effort that button 25 moved in opposite directions, make button 25 promote insulating part 23 and then compress elastic component 24, vertical state can be adjusted to from the tilt state to two inserted sheets 22, can make things convenient for the use of self-tightening formula two foot plug 20 like this, also be using promptly, can adjust vertical state with inserted sheet 22 through button 25, and then this inserted sheet can insert smoothly in the jack that corresponds.

Furthermore, an inward-recessed abutting surface 2112 is arranged on the inner wall surface of the insertion groove 211 corresponding to one side of the insulating member 23 connected with the elastic member 24, and when the button 25 pushes the corresponding insulating member 23 to press the elastic member 24, the abutting surface 2112 abuts against the insulating member 23 to limit the movement of the insulating member 23. This achieves that the adjustment position of the insert 22 is limited, so that the insert 22 cannot be adjusted to an inclined state in which the two plug parts 222 are away from each other. Preferably, the resisting surface 2112 is a vertical surface, and accordingly, the surface of the insulating member 23 corresponding to the resisting surface 2112 is also a vertical surface, so that when the insulating member 23 is abutted against the resisting surface 2112, the insert 22 is ensured to be in a vertical state. Therefore, when the self-tightening two-pin plug 20 is used, the push button 25 is only required to be pressed inwards until the push button is not pressed, the blocking surface 2112 abuts against the insulating part 23, and the inserting piece 22 is in a vertical state and is conveniently inserted into the corresponding inserting hole.

In one embodiment, the inner wall surface of the insertion groove 211 close to the outer side of the housing 21 is inclined, and the inner wall surface far from the outer side of the housing 21 is vertical. The inclined inner wall surface is used for positioning the insertion piece 22 in an inclined state, and the vertical inner wall surface is used for positioning the insertion piece 22 in a vertical state. When the self-tightening two-pin plug 20 is not in use, the elastic force of the elastic member 24 supports the two blades 22 in an inclined state, and the portion of the blades 22 located in the insertion groove 211 is attached to the inclined inner wall surface of the insertion groove 211. When the plug-in connector is used, the push button 25 is pressed to push the part of the plug-in piece 22 positioned in the plug-in slot 211 to be attached to the vertical inner wall surface of the plug-in slot 211, so that the plug-in piece 22 can be quickly straightened, and further can be smoothly inserted into a corresponding jack.

In one embodiment, as shown in fig. 1 and fig. 2, a containing groove 214 for containing the elastic element 24 is formed in the housing 21 corresponding to the elastic element 24, and two ports of the containing groove 214 are communicated with the corresponding inserting groove 211. The elastic member 214 is disposed in the accommodating groove 214, and two ends of the elastic member 24 extend out from the corresponding notches of the accommodating groove 214 and are connected to the corresponding insulating members 23. The resisting surface 2111 is disposed at the notch of the receiving groove 214.

In one embodiment, the housing 21 is provided with a power supply socket, and the power supply socket is provided with a wiring pin therein, and the wiring pin is electrically connected with the corresponding wiring portion through a wire. The power supply socket can be a jack on a socket and also can be a USB interface. One of the wires is connected with a fuse.

In one embodiment, the housing 21 is provided with an integrally connected power line 215, one end of the power line 215 is connected to a corresponding electrode of the electric device, and the other end is electrically connected to the wire connection portion 222. Preferably, the power line 215 is provided with an insulating protective sheath on the outside and two wires inside, and the two wires are electrically connected to the electrodes of the corresponding electrical devices and the connection portion 222, respectively.

Further, a fuse 26 is connected between the power line 215 and the wiring portion 222, and preferably, the fuse 26 is provided on one wire.

In one embodiment, the resilient member 24 is a spring. The spring is CNS0.3 × 3 × 18 × 14.75.

In one embodiment, as shown in fig. 1 and 3, the insulator 23 is secured over the insert 22.

Preferably, a connecting protrusion is disposed on one side of the insulating member 23 corresponding to the elastic member 24, and an end portion of the elastic member 24 is sleeved on the connecting protrusion and fixedly connected with the connecting protrusion. One side of the insulating part 23 corresponding to the button 25 is provided with a flange, the button 25 is correspondingly provided with a groove, and the flange is inserted into the corresponding groove to further fixedly connect the button 25 and the insulating part 23. Preferably, the button 25 is made of an insulating material, preferably polyethylene plastic.

Further, the opening of the housing 21 corresponding to the two insertion grooves 211 in the housing 21 is provided with a communication groove for communicating the two openings, and when the insertion piece 22 is inserted into the insertion groove 211, the connection portion 222 of the insertion piece 22 is placed in the communication groove.

The shell 21 is made of PVC materials, and the fuse is a 3A fuse when the fuse is fused. The insulating member 23 is made of a cross-linked polyethylene insulating material.

The following explains the use of the self-tightening two-pin plug of the present invention.

As shown in fig. 1, the structure of the self-tightening two-pin plug 20 is shown in a natural state, at this time, the elastic member 24 is in a half-release state, the elastic force of the elastic member 24 acts on the insulating member 23 and further acts on the wiring portion 222 of the blades 22, so that the wiring portions 222 of the two blades 22 move in a direction away from each other, the portion of the blades 22 located in the insertion groove 211 abuts against the corresponding inclined inner wall surface of the insertion groove 211, the two blades 22 are in an inclined state, and the insertion portions 221 of the two blades 22 are in a state of being close to each other. When the plug-in connector is required to be used, as shown in fig. 2, the buttons 25 are pressed in opposite directions, the two buttons 25 on the self-tightening two-pin plug 20 can be clamped by hands, the insulating piece 23 and the wiring portion 222 of the insertion piece 22 are further pushed to move towards the direction close to each other, the elastic piece 24 is compressed, the insertion piece 22 can move to be vertical, at the moment, the part of the insertion piece 22 located in the insertion groove 211 abuts against the vertical inner wall surface corresponding to the insertion groove 211, and when the two insertion pieces 22 are vertical, the two insertion pieces 22 can be smoothly inserted into the corresponding insertion holes. Then the acting force applied on the button 25 is released, the elastic part 24 applies the elastic force which is far away from the wiring part 222 of the two inserting pieces 22, the inserting part 221 of the inserting piece 22 is clamped by the reed in the inserting hole, when the inserting piece is used initially, the clamping force of the reed is larger than the elastic force of the elastic part 24, so that the reed and the inserting piece can be connected tightly, when the reed is used for a long time and the elasticity disappears, the acting force of the elastic part 24 pushes the inserting piece 22 to enable the inserting piece 22 to have a certain inclination angle, and the connection tightness between the inclined inserting part 222 and the reed which loses elasticity can be improved, so that the electricity safety is ensured. The maximum inclination angle of the insertion piece 22 is such that the insertion piece 22 is attached to the inclined inner wall surface of the insertion groove 211.

The utility model discloses a two foot plugs of self-tightening formula have the self-tightening function, can improve the security of daily power consumption.

The utility model discloses a two foot plugs of self-clinching formula have structural design rationally, and the fuse design can effectively improve the electrical safety nature. The self-tightening plug effectively improves the connection tightness between the plug and the reed in the jack, and reduces the potential safety hazards of electric sparks and the like caused by virtual connection.

The utility model discloses a two foot plugs of self-clinching formula have improved the reliability of plug power consumption, can reduce the outage hidden danger that drags to lead to because of the accident.

When the socket with high use frequency gets electricity through the plug, the socket can effectively get electricity, and the power supply requirement is met.

The safety of the plug for electricity utilization is improved, the safety accidents of fire disasters and the like caused by poor electricity utilization contact are effectively prevented, and meanwhile, the fuse in the plug is added to prevent the electricity leakage and the electric shock.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims

1. A self-tightening two-prong plug, comprising:

the shell is provided with two oppositely arranged insertion grooves;

2. The self-tightening two-pin plug according to claim 1, wherein a pair of oppositely disposed limiting grooves are provided in the housing corresponding to the notches of the insertion grooves, and the limiting grooves are communicated with the insertion grooves;

3. The self-tightening two-pin plug according to claim 1, wherein a caulking groove is formed on a side portion of the housing corresponding to the insulating member, and the caulking groove is communicated with the insertion groove;

4. The self-clinching two-prong plug of claim 3, wherein the inner wall surface of the insertion groove is provided with an inwardly recessed abutment surface corresponding to a side of the insulator to which the elastic member is connected;

5. The self-tightening two-pin plug as claimed in claim 1, wherein a receiving groove is defined in the housing corresponding to the resilient member for receiving the resilient member, and two ports of the receiving groove are in communication with the corresponding receiving grooves.

6. The self-tightening two-pin plug according to claim 1, wherein the housing is provided with a power supply socket, and a connection pin is provided in the power supply socket and electrically connected to the corresponding connection portion through a wire.

7. The self-tightening two-pin plug according to claim 1, wherein the housing is provided with an integrated power cord, one end of the power cord is connected to a corresponding electrode of the electrical device, and the other end of the power cord is electrically connected to the connection portion.

8. The self-tightening two-prong plug according to claim 7, wherein a fuse is further connected between the power cord and the wiring portion.

9. The self-tightening two-prong plug according to claim 1, wherein the resilient member is a spring.

10. The self-clinching two-prong plug of claim 1, wherein the insulator is secured to the blades.