CN210350260U

CN210350260U - Wire pressing device for plug

Info

Publication number: CN210350260U
Application number: CN201921738468.5U
Authority: CN
Inventors: 徐利军
Original assignee: Changshu Sijiadeng Electric Co ltd
Current assignee: Changshu Sijiadeng Electric Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-04-17
Anticipated expiration: 2029-10-16

Abstract

The utility model provides a cord grip for plug, includes casing, the last casing of a fixed top and the last casing that is located the casing right side down of casing and a fixed top and the left wiring shell of casing down under, the characteristics are: the left end of lower casing upwards constitutes at the position department corresponding to the wiring shell has a slot, is provided with a line ball mounting in the slot, the line ball mounting include one go up the briquetting, one set up the lower briquetting of last briquetting below and a pair of elastic component of constitution between last briquetting and lower briquetting, the elastic component set up both ends around last briquetting and lower briquetting respectively, the middle part of going up the briquetting constitutes downwards has one to go up the line ball board, the middle part of lower briquetting upwards extends and constitutes at the tip have one with last line ball board complex line ball board down. The assembly efficiency of plug is improved and the cost is reduced, fix fast and prevented that the power cord from being dragged and the damage that causes effectively, the life-span of extension plug ensures the security that the user used.

Description

Wire pressing device for plug

Technical Field

The utility model belongs to the technical field of the plug annex, concretely relates to cord grip for plug.

Background

The plug is one of indispensable parts of electrical appliances, is the key part that electrical appliances connect supply socket, and the plug can adopt two-pin or three-pin structure to connect the socket according to the kind of electrical apparatus usually. As is well known, a plug is inevitably bent and pulled in the use process, and the connection between a power line and the plug is broken frequently, so that an electric appliance cannot be used, or even an electric leakage situation occurs, thereby threatening the personal safety of a user. The plug of the integrated into one piece of the general adoption in the existing market, this kind of plug can't maintain after breaking, can only change plug and power cord together, be unfavorable for practicing thrift cost of maintenance, some plugs through the casing concatenation in addition on the market, the cracked part that the plug can be opened and the excision power cord is reconnected to this kind of plug, the purpose of only changing the power cord and not changing power cord maintenance plug even has been reached, simple structure and the dismouting of being convenient for not only, and the cost of maintenance of plug has been reduced effectively, but this kind of plug also has the fixed effect to the power cord not good and the higher problem of fixed cost.

The leakage protection plug is one of the most common plugs in a shell splicing plug, a release connected with a pin and a structure that a power line penetrates through an upper shell and a lower shell and is connected with the release are usually adopted, wherein one end of the power line connected with the release is used for avoiding the situation that the power line is accidentally pulled to cause falling off, a clamping groove is arranged at the joint of a power line rubber sheath and the shell to be embedded with a clamping cavity formed on the shell, a pressing block is arranged in the shell and is tightly pressed on the power line through a screw, although the two structures can both play the role of fixing the power line, the former needs to specially manufacture a power line with a groove to finish fixed connection, the cost is high, the maintenance cannot be carried out, only the whole power line can be replaced, and the latter needs the pressing block and a fixed auxiliary piece to fix the power line, the assembly efficiency is low and the cost is high.

In view of the above, there is a need for a plug cord pressing device that has a simple structure and low cost, and can quickly and effectively fix a power cord and prevent damage to a plug caused by pulling the power cord. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims at providing a cord grip for plug helps improving the connection structure of power cord and plug and improves the assembly efficiency and the reduction in production and the cost of maintenance of power cord, is favorable to fixing the power cord fast and prevents to drag the power cord and cause the damage to the plug.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a cord grip for plug, includes casing, one fix the top of casing down and be located the last casing on casing right side and one fix the top of casing down and be located the casing left side down and with last casing cooperation connection's wiring shell, its characterized in that: the left end of the lower shell upwards forms a slot at a position corresponding to the wiring shell, a wire pressing fixing piece is arranged in the slot and comprises an upper pressing block, a lower pressing block arranged below the upper pressing block and a pair of elastic pieces formed between the upper pressing block and the lower pressing block, the elastic pieces are respectively arranged at the front end and the rear end of the upper pressing block and the rear end of the lower pressing block, an upper wire pressing plate is downwards formed in the middle of the upper pressing block, and a lower wire pressing plate matched with the upper wire pressing plate is upwards extended from the middle of the lower pressing block and formed at the end part.

In a specific embodiment of the present invention, the upper pressing block, the lower pressing block and the elastic member are of an integrally formed plastic structure.

In another specific embodiment of the present invention, the elastic member is a serpentine structure extending in the up-down direction, and the upper end of the elastic member is fixedly connected to one end of the upper pressing block and the lower end of the elastic member is fixedly connected to one end of the lower pressing block.

In another specific embodiment of the present invention, the upper line ball plate is an arc plate structure with a downward opening, and a set of upper anti-slip strips are protruded on the lower end surface of the upper line ball plate along the arc direction at intervals; lower line ball board constitute for the ascending arc plate structure of opening, should be equipped with a set of antislip strip down along the protruding arc direction interval on the up end of line ball board down, last line ball board and constitute down between the line ball board and have a line ball chamber.

In another specific embodiment of the present invention, a lower power line slot is disposed at a position corresponding to the slot at the left end of the lower housing; the wiring shell is provided with an upper power line groove corresponding to and matched with the lower power line groove at the position corresponding to the lower power line groove.

In yet another specific embodiment of the present invention, the lower casing and the upper casing are provided with a release therebetween, the upper casing is provided with a three-pin plug board connected with the release outwardly from the casing, the lower casing and the connection casing are provided with a power line therebetween, and the live wire, the zero wire and the ground wire of the power line are connected with the three-pin plug board through the release respectively.

In still another specific embodiment of the present invention, the lower housing is formed with a connection housing connection post at a position corresponding to the front and rear sides of the slot, and the connection housing is fixedly connected to the connection housing connection post through a pair of connection housing fixing screws.

In a more specific embodiment of the present invention, the lower housing is formed with a set of upper housing connecting posts at positions corresponding to the upper housing, and the upper housing is fixedly connected to the upper housing connecting posts through a set of upper housing fixing screws.

In yet another specific embodiment of the present invention, the height between the upper and lower side surfaces of the wire pressing fixing member is greater than the distance between the lower housing and the wiring housing.

In yet another specific embodiment of the present invention, the lower surface of the lower pressing block abuts against the bottom of the slot, and the upper surface of the upper pressing block abuts against the lower side of the wiring housing.

The utility model discloses owing to adopted the line ball mounting with the fixed structure of power cord centre gripping, therefore not only improved the assembly efficiency of plug and the cost is reduced, carry out quick fixed and prevented the power cord moreover effectively and dragged the damage that causes, the life-span of extension plug ensures the security that the user used.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the wire pressing fixing member of the present invention.

In the figure: 1. the power supply comprises a lower shell, 11 slots, 12 lower power line slots, 13 wiring shell connecting columns, 14 upper shell connecting columns; 2. an upper shell, 21, a three-leg plugboard, 22, an upper shell fixing screw; 3. the wiring shell 31, the upper power wire slot 32, and the wiring shell fixing screw; 4. the wire pressing device comprises wire pressing fixing pieces, 41 parts of an upper pressing block, 411 parts of an upper wire pressing plate, 4111 parts of an upper anti-skid strip, 42 parts of a lower pressing block, 421 parts of a lower wire pressing plate, 4211 parts of a lower anti-skid strip, 43 parts of an elastic piece and 44 parts of a wire pressing cavity; 5. a power line.

Detailed Description

The following is a detailed description by way of example, but the description of the example is not intended to limit the scope of the present invention, and any equivalent changes made according to the present invention, which are merely formal and insubstantial, should be considered as technical solutions of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position shown in fig. 1, and thus, should not be interpreted as a specific limitation to the technical solution provided by the present invention.

Referring to fig. 1 and 2, the present invention relates to a wire pressing device for plug, including a lower casing 1, an upper casing 2 fixed above the lower casing 1 and located on the right side of the lower casing 1, and a wiring shell 3 fixed above the lower casing 1 and located on the left side of the lower casing 1 and connected with the upper casing 2 in a matching manner, and is characterized in that: the left end of the lower shell 1 is upwards formed with a slot 11 at a position corresponding to the wiring shell 3, a wire pressing fixing piece 4 is arranged in the slot 11, the wire pressing fixing piece 4 comprises an upper pressing block 41, a lower pressing block 42 arranged below the upper pressing block 41 and a pair of elastic pieces 43 formed between the upper pressing block 41 and the lower pressing block 42, the elastic pieces 43 are respectively arranged at the front end and the rear end of the upper pressing block 41 and the lower pressing block 42, an upper wire pressing plate 411 is downwards formed in the middle of the upper pressing block 41, and a lower wire pressing plate 421 matched with the upper wire pressing plate 411 is upwards extended in the middle of the lower pressing block 42 and formed at the end. The lower surface of the lower pressing block 42 is abutted against the bottom of the slot 11, and the upper surface of the upper pressing block 41 is abutted against the lower part of the wiring shell 3.

Further, the upper pressing block 41, the lower pressing block 42 and the elastic member 43 are of an integrally molded plastic structure. The elastic member 43 has a serpentine structure extending in the vertical direction, and the upper end of the elastic member 43 is fixedly connected to one end of the upper pressing block 41, and the lower end thereof is fixedly connected to one end of the lower pressing block 42.

Further, last line ball board 411 constitute for opening decurrent arc plate structure, along protruding a set of antislip strips 4111 on the lower terminal surface of this last line ball board 411 of following the arc direction interval, lower line ball board 421 constitute for opening decurrent arc plate structure, along protruding a set of antislip strips 4211 under the arc direction interval on the up end of this line ball board 421 down, last line ball board 411 and down constitute between the line ball board 421 and have a line ball chamber 44.

Furthermore, a lower power line slot 12 is formed at a position corresponding to the slot 11 at the left end of the lower housing 1, and an upper power line slot 31 corresponding to and matching with the lower power line slot 12 is formed at a position corresponding to the lower power line slot 12 in the wiring housing 3. Lower casing 1 and last casing 2 between be provided with the release, last casing 2 on to be provided with the tripod picture peg 21 of being connected with the release outside the casing, lower casing 1 and wiring shell 3 between be provided with a power cord 5, live wire, zero line and the ground wire of power cord 5 be connected with tripod picture peg 21 through the release respectively. The power line 5 is clamped between the power line groove 12 and the upper power line groove 31.

Furthermore, the lower housing 1 is respectively formed with a connection housing connection post 13 at the positions corresponding to the front and rear sides of the slot 11, and the connection housing 3 is fixedly connected with the connection housing connection post 13 through a pair of connection housing fixing screws 32. The lower shell 1 is provided with a group of upper shell connecting columns 14 at positions corresponding to the upper shell 2, and the upper shell 2 is fixedly connected with the upper shell connecting columns 14 through a group of upper shell fixing screws 22.

Furthermore, the height between the upper side surface and the lower side surface of the wire pressing fixing piece 4 is larger than the distance between the lower shell 1 and the wiring shell 3.

Referring to fig. 1 and fig. 2, the pressing line fixing member 4 can be used for any casing splicing type plug, and the present invention takes the assembling process of the earth leakage protection plug as an example, in the assembling process, firstly, the release is installed between the lower casing 1 and the upper casing 2, the three-pin inserting plate 21 is respectively connected with the release, then, the lower casing 1 is fixedly connected with the upper casing 2 through the upper casing fixing screw 22, then, the pressing line cavity 44 of the pressing line fixing member 4 is sleeved on the wiring terminal of the power line 5, the live line, the zero line and the ground line of the power line 5 are respectively connected with the release, then, the lower pressing block 42 of the pressing line fixing member 4 is inserted downwards into the slot 11, at this time, the upper pressing block 41 of the pressing line fixing member 4 protrudes from the lower casing 1 and the pressing line cavity 44 is right opposite to the position of the lower power line slot 12, and the power line 5 is just laid on the lower power line slot 12, and finally, the wiring shell 3 is fixedly connected with the lower shell 1 through the wiring shell fixing screw 32, in the connection process, the wiring shell 3 is abutted against the upper surface of the upper pressing block 41 to be downwards extruded, so that the elastic piece 43 is deformed, the upper pressing plate 411 and the lower pressing plate 421 are respectively clasped and fixed from the upper side and the lower side of the power line 5, and therefore the power line 5 is assembled and protected.

Claims

1. The utility model provides a cord grip for plug, includes casing (1), one fix casing (1) down the top and be located last casing (2) on casing (1) right side down and one fix casing (1) down the top and be located casing (1) left side down and with last casing (2) cooperation connection's wiring shell (3), its characterized in that: the left end of lower casing (1) upwards constitute and have a slot (11) in the position department that corresponds to connection shell (3), slot (11) in be provided with a line ball mounting (4), line ball mounting (4) include one go up briquetting (41), one set up in last briquetting (41) below lower briquetting (42) and a pair of elastic component (43) of constituteing between last briquetting (41) and lower briquetting (42), elastic component (43) set up respectively in last briquetting (41) and the front and back both ends of lower briquetting (42), the middle part of last briquetting (41) downwards constitute and have one go up line ball board (411), the middle part of lower briquetting (42) upwards extend and constitute at the tip and have one with last line ball board (411) complex line ball board (421) down.

2. The wire pressing device for the plug according to claim 1, wherein the upper pressing block (41), the lower pressing block (42) and the elastic member (43) are of an integrally formed plastic structure.

3. The wire pressing device for plug according to claim 1, wherein said elastic member (43) has a serpentine shape extending in the up-down direction, and the upper end of said elastic member (43) is fixedly connected to one end of said upper pressing member (41) and the lower end thereof is fixedly connected to one end of said lower pressing member (42).

4. The pressing device for the plug according to claim 1, wherein the upper pressing plate (411) is configured as an arc-shaped plate structure with a downward opening, and a group of upper anti-skidding strips (4111) are convexly arranged on the lower end surface of the upper pressing plate (411) at intervals along the arc direction; the lower line ball board (421) constitute for the ascending arc plate structure of opening, be equipped with a set of antislip strip (4211) down along the arc direction interval protruding on the up end of this line ball board (421) down, last line ball board (411) and constitute between line ball board (421) down and press line chamber (44).

5. The wire pressing device for the plug according to claim 1, wherein the left end of the lower shell (1) is provided with a lower power wire slot (12) at a position corresponding to the slot (11); the wiring shell (3) is provided with an upper power wire groove (31) corresponding to the lower power wire groove (12) in position and matched with the lower power wire groove (12).

6. The wire pressing device for the plug according to claim 1, wherein a release is arranged between the lower shell (1) and the upper shell (2), a three-pin inserting plate (21) connected with the release is arranged outside the upper shell (2) towards the shell, a power line (5) is arranged between the lower shell (1) and the wiring shell (3), and a live wire, a zero wire and a ground wire of the power line (5) are respectively connected with the three-pin inserting plate (21) through the release.

7. The wire pressing device for the plug according to claim 1, wherein the lower housing (1) is respectively formed with a connection housing connection post (13) at positions corresponding to the front and rear sides of the insertion slot (11), and the connection housing (3) is fixedly connected with the connection housing connection post (13) through a pair of connection housing fixing screws (32).

8. The wire pressing device for the plug according to claim 1, wherein the lower housing (1) is formed with a set of upper housing connecting posts (14) at positions corresponding to the upper housing (2), and the upper housing (2) is fixedly connected with the upper housing connecting posts (14) through a set of upper housing fixing screws (22).

9. The wire pressing device for the plug according to claim 1, wherein the height between the upper and lower side surfaces of the wire pressing fixing member (4) is larger than the distance between the lower housing (1) and the wiring housing (3).

10. A wire pressing device for plug according to claim 1, wherein the lower surface of said lower pressing piece (42) abuts against the bottom of the socket (11), and the upper surface of said upper pressing piece (41) abuts against the lower side of the terminal housing (3).