CN209912823U

CN209912823U - Electric shock prevention air switch

Info

Publication number: CN209912823U
Application number: CN201920997405.5U
Authority: CN
Inventors: 付欢
Original assignee: SHENZHEN XINNUOCHANG ELECTRONICS CO LTD
Current assignee: SHENZHEN XINNUOCHANG ELECTRONICS CO LTD
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-01-07
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses an protection against electric shock air switch, including air switch, switch and handle, the switch is installed at the center around the air switch, stop gear is all installed to wiring mechanism's outside outer wall, ground mechanism and protection machanism are installed in proper order in air switch's the outside, the equal rigid coupling in both ends rear side has the backing plate about the both sides of protection machanism, the backing plate passes through the screw and links to each other with external block terminal is fixed. This protection against electric shock air switch, through the shell, air switch, the handle, the copper mesh, cooperation between third wire and the insulating cover, the relatively poor problem of protection in the aspect of having solved current air switch to the protection against electric shock, through the shell, air switch, the diaphragm, the fixture block, the montant, cooperation between horizontal pole and the spring, make can loosen the fixture block and inject the diaphragm after outwards pulling the fixture block and install first wire and air switch in, the not hard up problem appears easily in the protection of having solved current air switch wiring department.

Description

Electric shock prevention air switch

Technical Field

The utility model relates to the technical field of circuits, specifically be an electric shock prevention air switch.

Background

The air switch, also called air circuit breaker, is one kind of circuit breaker, is a switch that will automatic disconnection as long as the electric current exceeds rated current in the circuit, and air switch is a very important electrical apparatus in low voltage distribution network and the electric power system of dragging, and it integrates control and multiple protection functions, though prior art can realize air switch's normal use, but prior art has the air switch to the relatively poor problem of protection in the aspect of the protection against electric shock, still has the not enough problem that appears becoming flexible easily of protection of air switch wiring department simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric shock prevention air switch to the relatively poor problem of protection in the aspect of solving the air switch that proposes among the above-mentioned background art to the electric shock prevention, still there is not enough easy not hard up problem of appearing in the protection of air switch wiring department simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric shock prevention air switch, includes air switch, switch and handle, the switch is installed at the center around the air switch, the outside rigid coupling of switch has the handle, wiring mechanism is all installed to air switch's upper and lower both sides inside, stop gear is all installed to wiring mechanism's outside outer wall, ground mechanism and protection machanism are installed in proper order in air switch's the outside, the equal rigid coupling in both ends rear side has the backing plate about protection machanism's the both sides, the backing plate passes through the screw and links to each other with external distribution box is fixed.

Preferably, the wiring mechanism comprises a first lead, a second baffle, a screw rod, a first gasket, a second lead, a third gasket and a thin rod, the four second baffles are respectively positioned inside the left end and the right end of the upper side and the lower side of the air switch, the second baffle is in clearance fit with the air switch, the screw rod is fixedly connected to the left side of the second baffle, the screw rod is in threaded connection with the air switch, the first gasket is fixedly connected to the left side of the screw rod, the third gasket and the second gasket are sequentially arranged on the left side of the first gasket, the third gasket is tightly attached to the first gasket and the second gasket, the outer side of the third gasket is communicated with an external circuit through the first lead, the left side of the second gasket is communicated with the internal structure and the switch of the air switch through the second lead, the thin rod is fixedly connected to the center of the right end of the second gasket, and is in clearance fit with the third gasket, the thin rod is in clearance fit with the first gasket and the screw rod.

Preferably, four first wires are installed in a central symmetry mode by taking the horizontal center of gravity of the air switch as a reference.

Preferably, protection mechanism package shell, first baffle, handle groove, second riser and round pin axle, the shell rigid coupling is at air switch's upper and lower both sides outer wall, the right side of shell is inside to rotate with the second riser through the round pin axle and links to each other, the lower extreme processing of second riser has the handle groove, the inside lower extreme right side rigid coupling of shell has first baffle, the right side and the laminating of second riser of first baffle mutually, the equal rigid coupling in both sides has the backing plate about the both ends about the shell.

Preferably, stop gear includes fixture block, horizontal pole, montant, riser, spring and diaphragm, the diaphragm rigid coupling is inboard in the outside of first wire, the diaphragm all laminates mutually with air switch, the equal rigid coupling in both ends center has the riser about the upper and lower both sides of shell, controls the inboard of riser all links to each other with air switch is fixed through the horizontal pole, controls the outer wall inboard of horizontal pole all is equipped with the montant, and the equal clearance fit of montant and horizontal pole, the equal rigid coupling in upper end of montant has the fixture block, the fixture block all with diaphragm clearance fit, the outer wall outside of horizontal pole is equipped with the spring, the inside and outside both sides of spring link to each other with montant and riser are fixed respectively.

Preferably, the grounding mechanism comprises a copper mesh, an insulating sleeve and a third wire, the copper mesh is fixedly connected to the outer side of the air switch, the left side of the copper mesh is communicated with the external ground through the third wire, and the outer wall of the third wire is fixedly connected with the shell through the insulating sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: this protection against electric shock air switch, which comprises an outer shell, air switch, a handle, the copper mesh, cooperation between third wire and the insulating cover, make and drive the closed back of switch through the handle after accomplishing the wiring if the electric current leakage appears and can accomplish the ground connection pouring current through the third wire, the relatively poor problem of protection in the aspect of the current air switch to the protection against electric shock has been solved, which comprises an outer shell, air switch, the diaphragm, first wire, the fixture block, the montant, cooperation between horizontal pole and the spring, make after outwards pulling the fixture block install first wire and air switch can loosen in the fixture block injects the diaphragm, the not enough problem that appears easily in the protection of current air switch wiring department.

Drawings

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

FIG. 2 is a left side cross-sectional view of the air switch, housing and switch of FIG. 1;

FIG. 3 is a schematic view of the air switch, cross plate and threaded rod of FIG. 2;

fig. 4 is a schematic view of the air switch, cross bar and cross plate of fig. 1.

In the figure: 1. air switch, 2, stop gear, 201, fixture block, 202, horizontal pole, 203, montant, 204, first riser, 205, spring, 206, diaphragm, 3, protection mechanism, 301, shell, 302, first baffle, 303, handle groove, 304, second riser, 305, round pin axle, 4, wiring mechanism, 401, first wire, 402, second baffle, 403, screw rod, 404, first gasket, 405, second gasket, 406, second wire, 407, third gasket, 408, thin rod, 5, ground mechanism, 501, copper mesh, 502, insulating cover, 503, third wire, 6, backing plate, 7, switch, 8, handle, 9, screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electric shock prevention air switch, including air switch 1, switch 7 and handle 8, switch 7 is installed at the center around air switch 1, whether the inner structure of the steerable air switch 1 of switch 7 intervenes work, the outside rigid coupling of switch 7 has handle 8, handle 8 can be convenient for switch 7's rotation, wiring mechanism 4 is all installed to the inside of the upper and lower both sides of air switch 1, stop gear 2 is all installed to the outside outer wall of wiring mechanism 4, grounding mechanism 5 and protection machanism 3 are installed in proper order to the outside of air switch 1, the equal rigid coupling of both ends rear side is gone up and down in the left and right sides of protection machanism 3 has backing plate 6, backing plate 6 passes through screw 9 and links to each other with external fixed of block terminal, whole equipment accessible backing plate 6 and screw 9 links to each other, wiring mechanism 4 includes first wire 401, second baffle 402, screw rod 403, first gasket 404, second, A second wire 406, a third gasket 407 and a thin rod 408, wherein four second baffles 402 are respectively located inside the upper, lower, left and right ends of the air switch 1 to limit the relative position of the second baffles 402 and the air switch 1, the second baffles 402 are in clearance fit with the air switch 1, the second baffles 402 can move and rotate inside the air switch 1, the left side of the second baffles 402 is fixedly connected with a screw 403, the second baffles 402 can drive the screw 403 to rotate, the screw 403 is in threaded connection with the air switch 1, the screw 403 can move under the reaction force when rotating inside the air switch 1, the left side of the screw 403 is fixedly connected with a first gasket 404, the screw 403 can drive the first gasket 404 to move, the first gasket 404 is an insulating gasket, the left side of the first gasket 404 is sequentially provided with a third gasket 407 and a second gasket 405 to limit the relative position of the first gasket 404, the third gasket 407 and the second gasket 405, the third gasket 407 is closely attached to the first gasket 404 and the second gasket 405, so that the second gasket 405 and the third gasket 407 are in electric communication, the outer side of the third gasket 407 is communicated with an external circuit through a first wire 401, the external circuit can transmit the current of the third gasket 407 to the second gasket 405 through the first wire 401, the left side of the second gasket 405 is communicated with the internal structure of the air switch 1 and the switch 7 through a second wire 406, the air switch 1 can protect the communication state of the first wire 401, the center of the right end of the second gasket 405 is fixedly connected with a thin rod 408, the second gasket 405 can support the thin rod 408, the thin rod 408 is also made of an insulating material, the thin rod 408 is in clearance fit with the third gasket 407, the third gasket 407 can be inserted inwards from the outer side of the thin rod 408, the thin rod 408 is in clearance fit with the first gasket 404 and the screw rod 403, and the screw rod 403 can move on the outer wall of the thin rod 408, the four first wires 401 are symmetrically installed by taking the horizontal gravity center of the air switch 1 as a reference, so that the four first wires 401 are installed in the same manner, the protection mechanism 3 comprises a shell 301, a first baffle plate 302, a handle groove 303, a second vertical plate 304 and a pin 305, the shell 301 is fixedly connected with the outer walls of the upper side and the lower side of the air switch 1, the shell 301 can protect and support the air switch 1, the inside of the right side of the shell 301 is rotatably connected with the second vertical plate 304 through the pin 305, the second vertical plate 304 can rotate through the pin 305, the handle groove 303 is processed at the lower end of the second vertical plate 304, the handle groove 303 can drive the second vertical plate 304 to rotate, the first baffle plate 302 is fixedly connected to the right side of the lower end inside the shell 301, the shell 301 can support the first baffle plate 302, the right side of the first baffle plate 302 is attached to the second vertical plate 304, the position of the second vertical plate 304 can be limited by the first baffle plate 302, and the upper side and the lower side of the left side, the shell 301 can be fixedly connected with an external distribution box through a backing plate 6, the limiting mechanism 2 comprises a clamping block 201, a cross rod 202, a vertical rod 203, a first vertical plate 204, a spring 205 and a transverse plate 206, the transverse plate 206 is fixedly connected to the inner side of the outer side of a first wire 401, the transverse plate 206 is attached to an air switch 1, the transverse plate 206 can limit the limit position of the first wire 401, the first vertical plate 204 is fixedly connected to the centers of the left end and the right end of the upper side and the lower side of the shell 301, the shell 301 can support the first vertical plate 304, the inner sides of the left and the right first vertical plates 204 are fixedly connected with the air switch 1 through the cross rod 202, the first vertical plate 204 and the air switch 1 can support the cross rod 202, the vertical rods 203 are arranged on the inner sides of the outer walls of the left and the right cross rods 202, the vertical rods 203 are in clearance fit with the cross rod 202, the vertical rods 203 can move, the clamping blocks 201 are in clearance fit with the transverse plate 206, the positions of the clamping blocks 201 capable of being limited by the transverse plate 206 are limited, the outer side of the outer wall of the cross rod 202 is provided with a spring 205, the elastic coefficient K of the spring 205 is 500N/m, the inner side and the outer side of the spring 205 are respectively fixedly connected with the vertical rod 203 and the first vertical plate 204, the spring 205 can be extruded when the left vertical rod 203 and the right vertical rod 203 move outwards, the grounding mechanism 5 comprises a copper net 501, the insulating sleeve 502 and the third wire 503, the copper mesh 501 is respectively and fixedly connected to the outside of the air switch 1, the air switch 1 can support the copper mesh 501, the left side of the copper mesh 501 is communicated with the external ground through the third wire 503, so that the third wire 503 is used as a ground wire, the copper mesh 501 can transmit the charges on the surface of the air switch 1 to the external ground through the third wire 503, the outer wall of the third wire 503 is fixedly connected with the outer shell 301 through the insulating sleeve 502, and the insulating sleeve 502 blocks the charge circulation between the outer shell 301 and the third wire 503.

When the anti-electric shock air switch is required to be used, firstly, the air switch 1 with the shell 301 and the copper mesh 501 is fixed with an external distribution box through the backing plate 6 and the screws 9, then the vertical rod 203 and the fixture block 201 can be moved outwards, the first lead 401 communicated with an external circuit is inserted into the left and right sides of the upper end and the lower end of the air switch 1, the third gasket 407 is inserted outside the outer wall of the thin rod 408, then the second baffle 402 rotates through the cross thread inside the second baffle 402, the second baffle 402 can drive the screw 403 to enable the screw 403 to move leftwards under the pressure of the air switch 1, the first gasket 404 and the fixed second gasket 405 extrude and fix the third gasket 407, the external circuit is in protective connection with the air switch 1 through the first lead 401 and the second lead 406, after wiring is completed, a user can release the vertical rod 203, and the elastic force of the spring 205 moves inwards to be inserted into the transverse plate 206, the position to first wire 401 limits, if air switch 1 takes place the electric current leakage in the use, the ground connection processing is accomplished to circuit accessible copper mesh 501 and third wire 503 of leakage, avoid the user the problem of electrocution to appear, accessible handle groove 303 drives second riser 304 and rotates clockwise around round pin axle 305 in the use, can realize the rigidity through the frictional force between round pin axle 305 and the second riser 304, user's accessible handle 8 drives switch 7 and rotates and to accomplish air switch 1 and control external circuit short-circuit protection's state.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric shock prevention air switch, includes air switch (1), switch (7) and handle (8), switch (7) are installed to the center around air switch (1), the outside rigid coupling of switch (7) has handle (8), its characterized in that: wiring mechanism (4) are all installed to the upper and lower both sides inside of air switch (1), stop gear (2) are all installed to the outside outer wall of wiring mechanism (4), ground mechanism (5) and protection machanism (3) are installed in proper order to the outside of air switch (1), the equal rigid coupling in both ends rear side has backing plate (6) about the both sides about protection machanism (3), backing plate (6) are fixed continuous with external block terminal through screw (9).

2. The electric shock prevention air switch of claim 1, wherein: the wiring mechanism (4) comprises a first lead (401), a second baffle (402), a screw (403), a first gasket (404), a second gasket (405), a second lead (406), a third gasket (407) and a thin rod (408), the four second baffles (402) are respectively positioned inside the left end and the right end of the upper side and the lower side of the air switch (1), the second baffle (402) is in clearance fit with the air switch (1), the left side of the second baffle (402) is fixedly connected with the screw (403), the screw (403) is in threaded connection with the air switch (1), the left side of the screw (403) is fixedly connected with the first gasket (404), the left side of the first gasket (404) is sequentially provided with the third gasket (407) and the second gasket (405), the third gasket (407) is tightly attached to the first gasket (404) and the second gasket (405), and the outer sides of the third gasket (407) are communicated with an external circuit through the first lead (401), the left side of second gasket (405) all is linked together through second wire (406) and air switch (1) inner structure and switch (7), the right-hand member center rigid coupling of second gasket (405) has thin pole (408), thin pole (408) all with third gasket (407) clearance fit, thin pole (408) and first gasket (404) and the equal clearance fit of screw rod (403).

3. The electric shock prevention air switch of claim 2, wherein: the four first conducting wires (401) are arranged in a centrosymmetric mode by taking the horizontal center of gravity of the air switch (1) as a reference.

4. The electric shock prevention air switch of claim 1, wherein: protection mechanism (3) involucrum (301), first baffle (302), handle groove (303), second riser (304) and round pin axle (305), the upper and lower both sides outer wall of shell (301) rigid coupling at air switch (1), the right side of shell (301) is inside to rotate with second riser (304) through round pin axle (305) and links to each other, the lower extreme processing of second riser (304) has handle groove (303), the inside lower extreme right side rigid coupling of shell (301) has first baffle (302), the right side and the laminating of second riser (304) of first baffle (302), the equal rigid coupling in both sides has backing plate (6) about the both ends of shell (301).

5. The electric shock prevention air switch of claim 4, wherein: the limiting mechanism (2) comprises clamping blocks (201), cross rods (202), vertical rods (203), first vertical plates (204), springs (205) and transverse plates (206), the transverse plates (206) are fixedly connected to the inner sides of the outer sides of first wires (401), the transverse plates (206) are attached to the air switch (1), the first vertical plates (204) are fixedly connected to the centers of the left end and the right end of the upper side and the lower side of the shell (301), the inner sides of the left and the right first vertical plates (204) are fixedly connected with the air switch (1) through the cross rods (202), the vertical rods (203) are arranged on the inner sides of the outer walls of the left and the right cross rods (202), the vertical rods (203) are in clearance fit with the cross rods (202), the clamping blocks (201) are fixedly connected to the upper ends of the vertical rods (203), the clamping blocks (201) are in clearance fit with the transverse plates (206), and the springs (205) are arranged on the, the inner side and the outer side of the spring (205) are respectively fixedly connected with the vertical rod (203) and the first vertical plate (204).

6. The electric shock prevention air switch of claim 1, wherein: grounding mechanism (5) include copper mesh (501), insulating cover (502) and third wire (503), copper mesh (501) rigid coupling respectively is in the outside of air switch (1), the left side of copper mesh (501) is linked together through third wire (503) and external ground, the outer wall of third wire (503) passes through insulating cover (502) and links to each other with shell (301) are fixed.