CN112164611A

CN112164611A - Power switch anticreep device

Info

Publication number: CN112164611A
Application number: CN202011043842.7A
Authority: CN
Inventors: 公丕风; 王艳
Original assignee: Individual
Current assignee: Shenzhen Kehua Power Supply Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-01
Anticipated expiration: 2040-09-28
Also published as: CN112164611B

Abstract

The invention discloses an anti-creeping device of a power switch, which belongs to the technical field of electrical equipment and comprises a switch, a control box, a positioning device and a power connecting 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 leads are inserted into the pipeline, the two leads respectively extend to an 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 into the base, and the button is inserted into the left side wall of the control seat; the two sealed chambers are used in a matched mode to isolate electric arcs from outside air, so that the switch can be used in an environment containing flammable and combustible dust or gas, and the production safety is greatly improved.

Description

Power switch anticreep device

Technical Field

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

Background

The words switch are to be interpreted as open and closed. 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 switches are electromechanical devices operated by a person, in which there are one or several electrical contacts. The "closed" of a contact means that the electronic contact is conductive, allowing current to flow; an "open" of the switch means that the electrical contact is not conductive, forming an open circuit, and does not allow current to flow; the existing switch has the serious problem that electric arc can be generated when the switch is powered on or powered off, so that the danger coefficient can be greatly improved when the switch is used in air containing a large amount of dust or in an environment with gas leakage; the sealing performance is poor, so that the service life of the switch is influenced when the switch is used in a humid environment; moreover, the long-time closing of the switch can cause the falling of components, cause the failure of the switch and reduce the use times of the switch, thereby shortening the service life of the switch; and because the leakproofness of the box body of the switch is poor, the electric elements in the switch are contacted with the air for a long time, and further the aging speed of the circuit is increased.

Disclosure of Invention

The invention aims to provide a power switch anti-creeping device, which aims to solve the problems that the switch provided by the background technology generates electric arc when being powered on 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 with gas leakage, and the sealing property is poor, so that the service life of the switch is influenced when the switch is used in a humid environment; moreover, the long-time closing of the switch can cause the falling of components, cause the failure of the switch and reduce the use times of the switch, thereby shortening the service life of the switch; and because the leakproofness of the box body of the switch is poor, the electric elements in the switch are contacted with the air for a long time, and further the aging speed of the circuit is increased.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-creeping device of a power switch comprises a switch, a control box, a positioning device and a power 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 leads are inserted into the pipeline, the two leads respectively extend to an 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, and a folding plate is embedded in the left side of the inner cavity of, the control seat is rotatably connected with the box body through a rotating shaft, one side of the folding plate, which is far away from the box body, is embedded on the outer side wall of the control seat, the right side wall of the control seat is welded with a triangular plate, the top and the bottom of the control seat are respectively provided with a clamping groove, the top and the bottom of the inner cavity of the box body are respectively fixed with one positioning device through bolts, one end, which is far away from the box body, of the positioning device is clamped with the clamping groove, the electric connection device is fixed on the inner side wall of the box body through bolts, the electric connection device comprises a shell, a sealing plate and a lever, the left side wall of the shell is provided with a through hole, the sealing plate is fixed on the right side wall of the shell through bolts, the lever is rotatably connected with the shell through a torsional spring, the left end of the lever is, the lever with connect through folding the cover between the through-hole, inlay at the inner chamber top of casing has the sheetmetal, the lower part the wire runs through the casing with the right-hand member of lever is connected, upper portion the wire runs through the casing with the sheetmetal is connected, the base with connect through sealing device between the button.

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

Preferably, positioner includes telescopic link, spring and bolt, the left side wall welding of telescopic link has the connecting plate, the spring housing in the outside of telescopic link, the bolt weld in the left side wall of connecting plate, the left side wall of spring with the right side wall contact of connecting plate.

Preferably, the bottom of box body and the top of bottom plate all opened the semicircle ring, two a round hole is constituteed to the semicircle ring, it has the rubber circle to inlay in the round hole, the rubber circle wrap up in the wire is outside.

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 is of an annular structure, the first jack and the second jack are of an annular structure, and the size of the insert block is the same as that of the first jack and that of the second jack.

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

1. according to the power switch anti-creeping device, the folding plate is embedded on the upper part of the inner cavity of the box body, the folding plate, the box body and the bottom plate are matched with each other to form a sealed cavity, the folding sleeve, the shell and the sealing plate form the sealed cavity again, and then 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, the electric arc is isolated from the outside air by matching the two sealed cavities, and the switch can be used in an environment containing inflammable and explosive dust or gas, so that the production and manufacturing safety is greatly improved;

2. this switch anticreep device, install the aluminium foil through the bottom at the button and the top of base inner chamber, utilize the aluminium foil to keep apart the inner chamber and the external world of switch, thereby avoid the inner chamber that steam in the air entered into the switch, and then utilize the difference in temperature of aluminium foil two sides to make the steam in the air condense into the drop of water on the surface of aluminium foil, and along the surperficial landing of aluminium foil, flow from the apopore, and then avoid steam to cause the corruption to the inside electrical element of switch, thereby improve the security that the switch used.

3. This switch anticreep device, through respectively installing a positioner at the inner chamber top of box body to also opening a draw-in groove respectively in the top and the bottom of control cabinet, two positioner correspond the joint with two draw-in grooves respectively, and the spring among the positioner has high fatigue resistance and anti laxity, thereby improvement positioner stability of using that can be by a wide margin, improves the closed use number of times of switch, and then increases the life of switch.

4. This switch anticreep device opens a round hole respectively through the left side and the right side of control box, and the rubber circle is inlayed in the round hole, and the use of rubber circle can be effectual seals the wire to eliminate when the wire is pegged graft and the clearance that produces between the control box, improve the leakproofness of control box, and then slow down the ageing speed of electrical component in the switch inner chamber.

Drawings

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

FIG. 2 is a right side sectional view of the present invention;

FIG. 3 is a schematic view of the sealing device of the present invention;

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

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

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

In the figure: 100. a switch; 110. mounting a box; 111. a pipeline; 112. a wire; 113. fixing a 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 seat; 141. a rotating shaft; 142. a card slot; 143. a set square; 144. folding the board; 200. a sealing device; 210. aluminum foil; 220. inserting a block; 300. a control box; 310. a box body; 320. a base plate; 330. a rubber ring; 400. a positioning device; 410. a telescopic rod; 411. a connecting plate; 420. a spring; 430. a bolt; 500. a power connection device; 510. a housing; 511. a metal sheet; 520. a sealing plate; 530. a lever; 531. a torsion spring; 532. and (6) folding the sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 6.

An anti-creeping device for a power switch comprises a switch 100, a control box 300, a positioning device 400 and a power connection device 500, wherein the switch 100 comprises a mounting box 110, a base 120, a button 130 and a control seat 140, the mounting box 110 is embedded in a wall body, a pipeline 111 is inserted in the right side wall of the mounting box 110, two leads 112 are inserted in the pipeline 111, the two leads 112 respectively extend to an inner cavity of the control box 300, the base 120 is fixed on the front side wall of the mounting box 110 through bolts, a shell 121 is embedded in the front side wall of the base 120, a water outlet hole 122 is formed in the base 120, the button 130 is embedded in the base 120, the button 130 is inserted in the left side wall of the control seat 140, the control box 300 is fixed on the right side of the inner cavity of the mounting box 110 through a fixing column 113, the control box 300 comprises a box body 310 and a bottom plate 320, the bottom plate 320 is inserted in the right side wall of the box, the control base 140 is rotatably connected to the box body 310 through the rotating shaft 141, one side of the folding plate 144, which is far away from the box body 310, is embedded in the outer side wall of the control base 140, the triangular plate 143 is welded to the right side wall of the control base 140, the top and the bottom of the control base 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, which is far away from the box body 310, of the positioning device 400 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 rotatably connected to the shell 510 through a torsion spring 531, a metal sheet 511 is embedded in the top of the inner cavity of the shell 510, the lower lead 112 penetrates through the shell 510 and is connected with the right end of the lever 530, the upper lead 112 penetrates through the shell 510 and is connected with the metal sheet 511, and the base 120 is connected with the button 130 through a sealing device 200;

in this embodiment, the number of the fixing posts 113 is four, the four fixing posts 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 matched with each other to assemble and fix various parts, the button 130 and the control base 140 are used for controlling the on/off of a 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 housing 510, the lever 530 and the folding sleeve 532 form a second layer of sealing structure, the inner cavity of the power connection 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 base 140 after rotation, and the torsion springs 531 are used for restoring the lever 530.

As shown in fig. 4 and 6, the positioning device 400 includes a telescopic rod 410, a spring 420 and a latch 430, wherein the left side wall of the telescopic rod 410 is welded with a connecting plate 411, the spring 420 is sleeved outside the telescopic rod 410, the latch 430 is welded with 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 base 140 receives the force transmitted by the button 130, the control base 140 will press one of the positioning devices 400, while the other positioning device 400 is extended, and the latch 430 in the extended positioning device 400 is locked into the locking slot 142 under the cooperation of the extension rod 410 and the spring 420.

As shown in fig. 5, the bottom of the box body 310 and the top of the bottom plate 320 are both 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 wire 112;

in this embodiment, the rubber ring 330 is tightly attached to the outer edge of the wire 112 to ensure the sealing performance 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 body 310, and the two slots 142 are distributed in a staggered manner;

in this embodiment, the symmetrically distributed positioning devices 400 and the staggered slots 142 are used in cooperation with each other to reduce the rotation angle of the control seat 140 to the maximum extent.

As shown in fig. 2, the insert block 220 has a ring structure, the first receptacle 123 and the second receptacle 131 have the same ring structure, and the insert block 220 has the same size as the first receptacle 123 and the second receptacle 131;

in this embodiment, the insertion block 220 having a ring structure is inserted into the first insertion hole 123 and the second insertion hole 131, so that the sealing device 200 can be conveniently detached and installed, and the air tightness is improved.

Example 2

Referring to 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 blocks 220 are respectively inserted into two ends of the aluminum foil 210, the bottom of the button 130 is provided with an annular second insert hole 131, the top of the inner cavity of the base 120 is provided with an annular first insert hole 123, the insert blocks 220 at two ends of the aluminum foil 210 are respectively inserted into the second insert hole 131 and the first insert hole 123, the button 130, the aluminum foil 210, the base 120 and the mounting box 110 are mutually combined into a sealed chamber, the inner cavity of the base 120 and the mounting box 110 is sealed by using the aluminum foil 210, the mounting method of fig. 2 is that the whole is rotated 90 degrees counterclockwise, the water outlet 122 is opened downwards, when the humidity in the environment is too high, due to the temperature difference between two sides of the aluminum foil 210, water droplets are generated on the outer layer of the aluminum foil 210, the water droplets flow down, thereby reducing the aging rate of the internal electrical components of the switch 100 and preventing the occurrence of electric leakage.

The working principle is as follows: 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 hole 122 is downward opened, power is supplied to a circuit after the installation is finished, when the circuit is in an open circuit state, the positioning device 400 on the left side of the inner cavity of the bottom plate 320 is inserted into the clamping groove 142 on the left side wall of the control seat 140, the positioning device 400 on 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 on the left side is separated from the metal sheet 511; when the circuit needs to be switched on, the top of the button 130 is pressed, the button 130 is stressed and then extrudes the control seat 140, the control seat 140 rotates clockwise along the rotating shaft 141, at the moment, the positioning device 400 on the left side in the inner cavity of the bottom plate 320 is led out, the positioning device 400 on the right side is inserted into the clamping groove 142 on the right side wall of the control seat 140, the control seat 140 drives the triangular plate 143 to rotate while rotating, the top end of the lever 530 is extruded by the inclined edge of the triangular plate 143, the lever 530 rotates counterclockwise by taking the torsion spring 531 as a rotating point, and the bottom end of the lever 530 brings the lead 112 on the left side to be in contact with; when the circuit needs to be powered off, the bottom end of the button 130 is pressed, the button 130 drives the control base 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 base 140, the positioning device 400 on the left side is inserted into the clamping groove 142 on the left side wall of the control base 140 again, the triangular plate 143 contacts and presses the top end of the lever 530, the lever 530 restores the original position under the action of the torsion spring 531, the top end of the lever 530 contacts with 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 foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims

1. The utility model provides a switch anticreeper which characterized in that: the switch comprises a switch, a control box, a positioning device and a power 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 and respectively extend to an 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, a folding plate is embedded in the left side of the inner cavity of the box body, and the control seat is rotatably connected with the box body, the foldable plate is far away from one side of the box body and is embedded in the outer side wall of the control seat, the right side wall of the control seat is welded with a triangular plate, the top and the bottom of the control seat are respectively provided with a clamping groove, the top and the bottom of the inner cavity of the box body are respectively fixed with one positioning device through bolts, one end of the positioning device far away from the box body is clamped with the clamping groove, the power connection device is fixed on the inner side wall of the box body through bolts and comprises a shell, a sealing plate and a lever, the left side wall of the shell is provided with a through hole, the sealing plate is fixed on the right side wall of the shell through bolts, the lever is rotatably connected with the shell through a torsion spring, the left end of the lever is in contact with the inclined plane of the triangular plate, the lever penetrates through the through hole, and the lever is connected with the, the top of the inner cavity of the shell is inlaid with a metal sheet, the lower part of the inner cavity of the shell is penetrated through by the lead, the shell is connected with the right end of the lever, the upper part of the inner cavity of the shell is penetrated through by the lead, the shell is connected with the metal sheet, and the base is connected with the buttons through a sealing device.

2. The electrical leakage preventing device for a power switch of claim, wherein: the sealing device comprises an aluminum foil and insertion blocks, two ends of the aluminum foil are respectively inserted into the insertion blocks, a first insertion hole is formed in the left side wall of the inner cavity of the base, a second insertion hole is formed in the bottom of the button, and the two insertion blocks are respectively inserted into the first insertion hole and the second insertion hole.

3. The electrical leakage preventing device for a power switch of claim, 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 electrical leakage preventing device for a power switch of claim, wherein: the bottom of box body and the top of bottom plate all opened the semicircle ring, two a round hole is constituteed to the semicircle ring, it has the rubber circle to inlay in the round hole, the rubber circle wrap up in the wire is outside.

5. The electrical leakage preventing device for a power switch of claim, wherein: two positioner along the axis symmetric distribution of box body, two the draw-in groove distributes in a staggered way.

6. The electrical leakage preventing device for a power switch of claim, wherein: the insert block is of an annular structure, the first jack and the second jack are of annular structures, and the size of the insert block is the same as that of the first jack and that of the second jack.