CN112164611B

CN112164611B - Power switch anti-leakage device

Info

Publication number: CN112164611B
Application number: CN202011043842.7A
Authority: CN
Inventors: 公丕风; 王艳
Original assignee: Shenzhen Kehua Power Supply Technology Co ltd
Current assignee: Shenzhen Kehua Power Supply Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2023-10-03
Anticipated expiration: 2040-09-28
Also published as: CN112164611A

Abstract

The invention discloses an anti-creeping device for a power switch, which belongs to the technical field of electrical equipment and comprises a switch, a control box, a positioning device and an electric connection device, wherein the switch comprises a mounting box, a base, a button and a control seat, the mounting box is embedded in a wall body, a pipeline is inserted into the right side wall of the mounting box, two wires are inserted into the pipeline, the two wires respectively extend to the inner cavity of the control box, the base is fixed on the front side wall of the mounting box through bolts, the front side wall of the base is embedded with a shell, a water outlet hole is formed in the base, the button is embedded in the base, and the button is inserted into the left side wall of the control seat; the electric arc is isolated from the outside air by using the two sealing chambers in a matched mode, so that the switch can be used in an environment containing inflammable and explosive dust or gas, and the production safety is greatly improved.

Description

Power switch anti-leakage device

Technical Field

The invention relates to the technical field of electrical equipment, in particular to an anti-creeping device for a power switch.

Background

The term switch is interpreted as on and off. It also refers to an electronic component that can open a circuit, interrupt a current, or cause it to flow to other circuits. The most common switch is a human operated electromechanical device in which there are one or several electronic contacts. The "closed" of the contacts means that the electronic contacts are conductive, allowing current to flow; an "open" switch means that the electrical contact is not conductive to form an open circuit, allowing no current to flow; the existing switch has the serious problem that an arc is generated when the switch is electrified or powered off, so that the danger coefficient is greatly improved when the switch is used in air containing a large amount of dust or in an environment where gas leakage occurs; the sealing performance is poor, so that the service life of a switch can be influenced when the switch is used in a wet environment; moreover, the long-time closing of the switch can cause the falling of components, the failure of the switch, and the use times of the switch are reduced, so that the service life of the switch is shortened; and because the sealing performance of the box body of the switch is poor, the electrical elements in the switch are contacted with air for a long time, so that the aging speed of the circuit is increased.

Disclosure of Invention

The invention aims to provide an anti-leakage device of a power switch, which is used for solving the problems that the switch provided in the background art can generate electric arcs when being electrified or powered off, so that the dangerous coefficient can be greatly improved when the switch is used in air containing a large amount of dust or in an environment where gas leakage occurs, and the tightness is poor, so that the service life of the switch can be influenced when the switch is used in a humid environment; moreover, the long-time closing of the switch can cause the falling of components, the failure of the switch, and the use times of the switch are reduced, so that the service life of the switch is shortened; and because the sealing performance of the box body of the switch is poor, the electric elements in the switch are contacted with air for a long time, so that the aging speed of the circuit is increased.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a switch anticreep device, includes switch, control box, positioner and electric installation, the switch includes mounting box, base, button and control seat, the mounting box is inlayed in the wall body, the right side wall grafting of mounting box has the pipeline, the inside grafting of pipeline has two wires, two the wire extends to respectively the inner chamber of control box, the base pass through the bolt fastening in the front side wall of mounting box, the shell is inlayed to the front side wall of base, open in the inside of base has the apopore, the button inlay in the inside of base, the button is pegged graft and is in the left side wall of control seat, the control box is fixed in through the fixed column mounting box inner chamber right side, the control box includes box body and bottom plate, the bottom plate peg graft in the right side wall of box body, the inner chamber left side of box body is inlayed and is had the folded sheet, the control plate keep away from in one side of box body inlay in the outer side wall of control seat, the lever is inlayed in the left side wall of control seat, the lever is equipped with a left side wall and a left side wall of control seat, the side wall is equipped with the seal plate and a left side wall of the electric installation through the side wall, the side wall is equipped with the seal plate through the bolt, the end is equipped with the electric installation, the seal plate is equipped with the electric installation through the side wall, the side wall has the seal plate to the side of the side wall, the lever is connected with the through hole through the folding sleeve, a metal sheet is inlaid at the top of the inner cavity of the shell, the lower part of the metal sheet penetrates through the shell and is connected with the right end of the lever, the upper part of the metal sheet penetrates through the shell and is connected with the metal sheet, and the base is connected with the button through the sealing device.

Preferably, the sealing device comprises an aluminum foil and an inserting block, two ends of the aluminum foil are respectively inserted into the inserting block, a first inserting hole is formed in the left side wall of the inner cavity of the base, a second inserting hole is formed in the bottom of the button, and the two inserting blocks are respectively inserted into the first inserting hole and the second inserting hole.

Preferably, the positioning device comprises a telescopic rod, a spring and a bolt, wherein a connecting plate is welded on the left side wall of the telescopic rod, the spring is sleeved outside the telescopic rod, the bolt is welded on the left side wall of the connecting plate, and the left side wall of the spring is in contact with the right side wall of the connecting plate.

Preferably, the bottom of the box body and the top of the bottom plate are provided with semicircular rings, two semicircular rings form a round hole, a rubber ring is inlaid in the round hole, and the rubber ring is wrapped outside the lead.

Preferably, the two positioning devices are symmetrically distributed along the central axis of the box body, and the two clamping grooves are distributed in a staggered manner.

Preferably, the insert block has an annular structure, the first jack and the second jack have the same annular structure, and the insert block has the same size as the first jack and the second jack.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the anti-leakage device of the power switch, the folding plate is inlaid at the upper part of the inner cavity of the box body, the folding plate, the box body and the bottom plate are mutually matched to form a sealed cavity, the folding sleeve, the shell and the sealing plate form the sealed cavity again, after the button is pressed down, the button drives the lever to rotate through the control seat and the triangular plate, so that the lead is contacted with the metal sheet to further connect a circuit, an electric arc is generated in the contact process, and the two sealed cavities are matched to isolate the electric arc from the outside air, so that the switch can be used in an environment containing inflammable and explosive dust or gas, and the production and manufacturing safety is greatly improved;

2. this anti-creeping device of switch installs the aluminium foil through the bottom at the button and the top of base inner chamber, utilizes the aluminium foil to keep apart the inner chamber of switch and external world to avoid the steam in the air to enter into the inner chamber of switch, and then utilize the difference in temperature on aluminium foil both sides to make the steam in the air condense into the drop of water on the surface of aluminium foil, and slide along the surface of aluminium foil, flow from the apopore, and then avoid steam to cause the corruption to the inside electrical component of switch, thereby improve the security that the switch used.

3. This anti-creeping device of switch, through respectively installing a positioner at the inner chamber top of box body to also open a draw-in groove respectively at the top and the bottom of control seat, two positioner correspond the joint with two draw-in grooves respectively, and the spring in the positioner has high fatigue resistance and anti-relaxation nature, thereby can be by a wide margin improve positioner stability of use, improve switch closed use number of times, and then increase switch's life.

4. This anti-creeping device of switch, open a round hole respectively through the left side and the right side of control box, the rubber circle is inlayed in the round hole, and the use of rubber circle can effectually seal the wire to eliminate the clearance that produces between wire grafting time and the control box, improve the leakproofness of control box, and then slow down the ageing speed of electric element in the switch inner chamber.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the right side cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a seal arrangement according to the present invention;

FIG. 4 is a schematic view of the internal structure of the control box of the present invention;

FIG. 5 is a schematic top plan view of the case of the present invention;

FIG. 6 is a schematic view of a positioning device according to the present invention.

In the figure: 100. a switch; 110. a mounting box; 111. a pipe; 112. a wire; 113. fixing the column; 120. a base; 121. a housing; 122. a water outlet hole; 123. a first jack; 130. a button; 131. a second jack; 140. a control base; 141. a rotation shaft; 142. a clamping groove; 143. a triangle; 144. a folding plate; 200. a sealing device; 210. aluminum foil; 220. inserting blocks; 300. a control box; 310. a case body; 320. a bottom plate; 330. a rubber ring; 400. a positioning device; 410. a telescopic rod; 411. a connecting plate; 420. a spring; 430. a plug pin; 500. an electrical connection device; 510. a housing; 511. a metal sheet; 520. a sealing plate; 530. a lever; 531. a torsion spring; 532. folding the sleeve.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

The technical scheme of the present invention will be further specifically described below with reference to fig. 1 to 6 for the convenience of understanding of those skilled in the art.

The utility model provides a power switch anticreep device, including switch 100, control box 300, positioner 400 and electric installation 500, switch 100 includes mounting box 110, base 120, button 130 and control seat 140, mounting box 110 is inlayed in the wall body, the right side wall of mounting box 110 is pegged graft and is had pipeline 111, two wires 112 are pegged graft to the inside of pipeline 111, two wires 112 extend to the inner chamber of control box 300 respectively, base 120 passes through the bolt fastening in the front side wall of mounting box 110, the shell 121 is inlayed to the front side wall of base 120, open in the inside of base 120 has apopore 122, button 130 inlays in the inside of base 120, button 130 is pegged graft in the left side wall of control seat 140, control box 300 is fixed in mounting box 110 inner chamber right side through fixed column 113, control box 300 includes box body 310 and bottom plate 320, bottom plate 320 is pegged graft in the right side wall of box body 310, folding board 144 is inlayed in the inner chamber left side of box body 310, the control seat 140 is rotationally connected with the box body 310 through the rotating shaft 141, one side of the folding plate 144 far away from the box body 310 is inlaid on the outer side wall of the control seat 140, the right side wall of the control seat 140 is welded with a triangle 143, the top and the bottom of the control seat 140 are respectively provided with a clamping groove 142, the top and the bottom of the inner cavity of the box body 310 are respectively fixed with a positioning device 400 through bolts, one end of the positioning device 400 far away from the box body 310 is clamped with the clamping groove 142, the electric connection device 500 is fixed on the inner side wall of the box body 310 through bolts, the electric connection device 500 comprises a shell 510, a sealing plate 520 and a lever 530, the left side wall of the shell 510 is provided with a through hole, the sealing plate 520 is fixed on the right side wall of the shell 510 through bolts, the lever 530 is rotationally connected with the shell 510 through a torsion spring 531, the left end of the lever 530 is contacted with the inclined plane of the triangle 143, the lever 530 penetrates through the through hole, the lever 530 is connected with the through a folding sleeve 532, the top of the inner cavity of the shell 510 is embedded with a metal sheet 511, the lower lead 112 penetrates through the shell 510 to be connected with the right end of the lever 530, the upper lead 112 penetrates through the shell 510 to be connected with the metal sheet 511, and the base 120 is connected with the button 130 through the sealing device 200;

in this embodiment, the number of the fixing columns 113 is four, the four fixing columns 113 are distributed on the right side of the control box 300 in a square shape, the mounting box 110 and the base 120 are mutually matched to assemble and fix each part, the button 130 and the control seat 140 are used for controlling the disconnection of the circuit, the box body 310, the bottom plate 320 and the folding plate 144 form a first layer of sealing structure, the inner cavity of the control box 300 is isolated from the outside air, the shell 510, the lever 530 and the folding sleeve 532 form a second layer of sealing structure, the inner cavity of the power receiving device 500 is isolated from the inner cavity of the control box 300, the two positioning devices 400 are used for limiting the position of the control seat 140 after rotation, and the torsion spring 531 is used for enabling the lever 530 to restore to the original position.

As shown in fig. 4 and 6, the positioning device 400 comprises a telescopic rod 410, a spring 420 and a bolt 430, wherein a connecting plate 411 is welded on the left side wall of the telescopic rod 410, the spring 420 is sleeved outside the telescopic rod 410, the bolt 430 is welded on the left side wall of the connecting plate 411, and the left side wall of the spring 420 is in contact with the right side wall of the connecting plate 411;

in this embodiment, after the control seat 140 receives the force transmitted by the button 130, the control seat 140 presses one of the positioning devices 400, and the other positioning device 400 extends, and the latch 430 in the extending positioning device 400 is locked into the locking groove 142 under the cooperation of the telescopic rod 410 and the spring 420.

As shown in fig. 5, the bottom of the box 310 and the top of the bottom plate 320 are provided with semicircular rings, the two semicircular rings form a circular hole, a rubber ring 330 is embedded in the circular hole, and the rubber ring 330 is wrapped outside the conducting wire 112;

in this embodiment, the rubber ring 330 closely fits the outer edge of the conductive wire 112 to ensure the tightness of the inner cavity of the control box 300.

As shown in fig. 4, the two positioning devices 400 are symmetrically distributed along the central axis of the box 310, and the two clamping grooves 142 are staggered;

in this embodiment, the symmetrically distributed positioning devices 400 and the staggered clamping grooves 142 are matched with each other to reduce the rotation angle of the control seat 140 to the greatest extent.

As shown in fig. 2, the insert block 220 has an annular structure, and the first jack 123 and the second jack 131 have the same annular structure, and the insert block 220 has the same size as the first jack 123 and the second jack 131;

in this embodiment, the insert blocks 220 with the annular structure are inserted into the first insertion holes 123 and the second insertion holes 131, so that the sealing device 200 can be conveniently detached and installed, and the air tightness is improved.

Example 2

As shown in fig. 2 and 3, the sealing device 200 includes an aluminum foil 210 and an insert block 220, the top of the base 120 is provided with a through hole, the aluminum foil 210 penetrates through the through hole, the insert block 220 is respectively inserted into two ends of the aluminum foil 210, the bottom of the button 130 is provided with an annular second insertion hole 131, the top of the inner cavity of the base 120 is provided with an annular first insertion hole 123, the insert block 220 at two ends of the aluminum foil 210 is respectively inserted into the second insertion hole 131 and the first insertion hole 123, the button 130, the aluminum foil 210, the base 120 and the mounting box 110 are combined into a sealing chamber, the aluminum foil 210 is used for sealing the inner cavities of the base 120 and the mounting box 110, the mounting method of fig. 2 is that the whole rotates anticlockwise by 90 degrees, the opening of the water outlet 122 is downward, when the humidity in the environment is overlarge, due to the temperature difference between two sides of the aluminum foil 210, water drops are generated on the outer layer of the aluminum foil 210, flow down along the surface of the aluminum foil 210 and flow out through the water outlet 122, thereby reducing the humidity inside the switch 100, further reducing the aging speed of the electrical elements inside the switch 100, and preventing the occurrence of electric leakage.

Working principle: firstly, the switch 100 is installed at a designated position, the installation box 110 is fixed in a wall by using bolts, the water outlet 122 is opened downwards, power is supplied to a circuit after the installation is completed, when the circuit is in an open circuit state, the positioning device 400 at the left side of the inner cavity of the bottom plate 320 is inserted into the clamping groove 142 at the left side wall of the control seat 140, the positioning device 400 at the right side is contacted with the right side wall of the control seat 140, the lever 530 is in a vertical state, and the lead 112 at the left side is separated from the metal sheet 511; when the circuit needs to be connected, the top of the button 130 is pressed, the button 130 presses the control seat 140 after being stressed, the control seat 140 rotates clockwise along the rotating shaft 141, at this time, the left positioning device 400 in the inner cavity of the bottom plate 320 is led out, the right positioning device 400 is inserted into the clamping groove 142 on the right side wall of the control seat 140, the control seat 140 rotates and drives the triangle 143 to rotate, the top end of the lever 530 is pressed by the bevel edge of the triangle 143, the lever 530 rotates anticlockwise by taking the torsion spring 531 as a rotating point, and the bottom end of the lever 530 contacts with the metal sheet 511 with the left lead 112, so that the circuit is connected; when the circuit needs to be powered off, the bottom end of the button 130 is pressed, the button 130 drives the control seat 140 to rotate anticlockwise, the positioning device 400 on the right side is separated from the clamping groove 142 on the right side wall of the control seat 140, the positioning device 400 on the left side is reinserted into the clamping groove 142 on the left side wall of the control seat 140, at the moment, the triangular plate 143 contacts the top end of the lever 530 to squeeze, the lever 530 returns to the original position under the action of the torsion spring 531, the top end of the lever 530 contacts the bottom of the triangular plate 143, and the bottom end of the lever 530 drives the lead 112 on the left side to be separated from the metal sheet 511, so that the circuit is disconnected, and the circuit is connected and disconnected through the operation.

The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. An anticreeper of switch, its characterized in that: the switch comprises a mounting box, a base, a button and a control seat, wherein the mounting box is embedded in a wall body, a pipeline is inserted into the right side wall of the mounting box, two wires are inserted into the inner cavity of the pipeline, the two wires respectively extend to the inner cavity of the control box, the base is fixed on the front side wall of the mounting box through bolts, a shell is embedded in the front side wall of the base, a water outlet hole is formed in the base, the button is embedded in the base, the button is inserted into the left side wall of the control seat, the control box is fixed on the right side of the inner cavity of the mounting box through a fixing column, the control box comprises a box body and a bottom plate, the bottom plate is inserted into the right side wall of the box body, the control seat is connected with the box body through rotation, one side of the control seat is embedded in the outer side wall of the control seat through bolts, the right side wall of the control seat is embedded with a shell, the left side wall of the control seat is fixed with a side wall of the control seat through a side plate through a bolt, the left side wall of the control seat is fixed with a side wall of the control seat through a bolt, the side wall of the control seat is fixed with a sealing plate through a bolt, the sealing plate is fixed on the side wall of the sealing plate through a sealing plate, the sealing plate is fixed on the sealing plate through a sealing plate, and the sealing plate is fixed on the sealing plate through a sealing plate, and the sealing plate through a bolt, the metal sheet is inlaid at the top of the inner cavity of the shell, the lower part of the metal sheet penetrates through the shell to be connected with the right end of the lever, the upper part of the metal sheet penetrates through the shell to be connected with the metal sheet, and the base is connected with the button through a sealing device.

2. The power switch anti-creeping device of claim 1, wherein: the sealing device comprises an aluminum foil and plug blocks, two ends of the aluminum foil are respectively plugged with the plug blocks, a first jack is formed in the left side wall of an inner cavity of the base, a second jack is formed in the bottom of the button, and the two plug blocks are respectively plugged in the first jack and the second jack.

3. The power switch anti-creeping device of claim 1, wherein: the positioning device comprises a telescopic rod, a spring and a bolt, wherein a connecting plate is welded on the left side wall of the telescopic rod, the spring is sleeved outside the telescopic rod, the bolt is welded on the left side wall of the connecting plate, and the left side wall of the spring is in contact with the right side wall of the connecting plate.

4. The power switch anti-creeping device of claim 1, wherein: the bottom of box body and the top of bottom plate all open and have the semicircle ring, two the semicircle ring constitutes a round hole, inlay in the round hole has the rubber circle, the rubber circle parcel in the wire is outside.

5. The power switch anti-creeping device of claim 1, wherein: the two positioning devices are symmetrically distributed along the central axis of the box body, and the two clamping grooves are distributed in a staggered manner.