CN220020396U - Failure alarm device for explosion-proof electrical equipment - Google Patents

Abstract

The utility model discloses an anti-explosion electrical equipment failure alarm device which comprises a protection bin, a box door and an anti-explosion electrical equipment shell, wherein the protection bin is arranged at the top of the inner wall of the anti-explosion electrical equipment shell through a partition plate, and the box door is arranged on the front surface of the anti-explosion electrical equipment shell through a hinge. According to the utility model, the motor drives the bidirectional screw rod to rotate, the bidirectional screw rod can rotate to drive the sliding block to move, the sliding block can move to adjust the height of the supporting plate through the arrangement of the first rotating shaft, the connecting rod and the second rotating shaft, the balance of the movement of the supporting plate can be improved through the first cross rod, the movement of the supporting plate can drive the rope to move, the rope can pull the handle through the arrangement of the guide wheel to further pull the sealing plate to move, the sealing plate moves to open the notch, the supporting plate can drive the audible-visual alarm to move out of the protection bin to achieve the audible-visual alarm effect, the supporting plate can be driven to descend when the motor rotates in the opposite direction, and the elastic force of the second spring can push the sealing plate to seal the notch.

Description

Failure alarm device for explosion-proof electrical equipment

Technical Field

The utility model relates to the technical field of alarm devices, in particular to an anti-explosion alarm device for failure of electrical equipment.

Background

The explosion-proof electrical equipment mainly refers to dangerous places and flammable and explosive places, and the used electrical equipment can prevent sparks, electric arcs or dangerous temperatures generated during use from becoming ignition sources of explosive mixtures at installation places, and an alarm device is needed to be used for ensuring the normal operation of the explosion-proof electrical equipment so as to prevent dangerous accidents caused by the failure of the explosion-proof electrical equipment during the use process.

The disadvantage of the prior art grinding apparatus is that:

patent document CN214755519U discloses an explosion-proof electrical equipment with a discharging loop, which comprises an electrical equipment box, the surface of the electrical equipment box is provided with a notch, a control device is arranged in the notch, the control device comprises a sliding plate, the sliding plate is slidingly connected with the inner wall of the notch, a chute is arranged in the wall of the electrical equipment box, a connecting rod is slidingly inserted into the inner wall of the chute, and the outer surface of the connecting rod is fixedly connected with the outer surface of the sliding plate. This explosion-proof electrical equipment with return circuit discharges, at ordinary time, the telescopic link keeps the state of stretching, and the fixed plate touches touch switch this moment, and the power keeps the intercommunication, and when discharging, start the controller, the telescopic link is controlled to the controller, makes the telescopic link shrink, pulls the sliding plate and upwards moves, until the fixed link touches circuit switch, and the power closes this moment, and the discharge tube starts and discharges the effect.

The explosion-proof electrical equipment with the discharge loop disclosed by the publication mainly considers how to achieve the effect of conveniently and safely discharging, and the protection effect of the audible and visual alarm needs to be ensured in the use process of the conventional explosion-proof electrical equipment failure alarm device so as to prevent the audible and visual alarm from being accidentally damaged due to the collision and other conditions in the daily use process of the audible and visual alarm, and the technical problem that audible and visual alarm cannot be performed when the explosion-proof electrical equipment fails is solved.

In view of the foregoing, it is necessary to develop an anti-explosion electrical equipment failure alarm device, and further to improve the protection effect of the anti-explosion electrical equipment failure alarm device during use.

Disclosure of Invention

The utility model aims to provide an anti-explosion electrical equipment failure alarm device, which aims to solve the technical problems that the audible and visual alarm is prevented from being accidentally damaged due to the conditions of collision and the like in the daily use process of the audible and visual alarm provided in the background technology, and the audible and visual alarm cannot be given out when the anti-explosion electrical equipment fails.

In order to achieve the above purpose, the utility model provides a technical scheme that the anti-explosion electrical equipment failure alarm device comprises a protection bin, a box door and an anti-explosion electrical equipment shell, wherein the protection bin is arranged at the top of the inner wall of the anti-explosion electrical equipment shell through a partition plate, and the box door is arranged on the front surface of the anti-explosion electrical equipment shell through a hinge;

the inner bottom wall of the protection bin is provided with a first sliding groove, the inner wall of the first sliding groove is provided with a group of sliding blocks, the inner wall of each sliding block is provided with a bidirectional screw rod in a penetrating way, and one end of each bidirectional screw rod is provided with a motor;

the top of slider is installed first pivot, the connecting rod is installed to the outer wall of first pivot, the second pivot is installed to the other end of connecting rod, the backup pad is installed at the top of second pivot, the mid-mounting at backup pad top has audible-visual annunciator.

Preferably, the front of the box door is provided with a first limiting groove, the inner wall of the first limiting groove is provided with a first spring, the inner wall of the first spring is provided with a limiting block, and the tail end of the front of the limiting block is provided with a pull rod.

Preferably, the mounting groove has been seted up to the inner wall of explosion-proof electrical equipment shell, and electric switch is installed to the inner wall of mounting groove, and the push rod is installed to electric switch's bottom, and the second restriction groove has been seted up to the bottom of mounting groove, and the limiting hole has been seted up to the inner wall of explosion-proof electrical equipment shell, and the inner wall in limiting hole is installed in the outer wall of limiting block.

Preferably, the four corners at backup pad top all has seted up first through-hole, and first horizontal pole is installed to the inner wall of first through-hole, and the both ends of first horizontal pole are all installed in the inner wall in protection storehouse, and the rope is all installed to the both sides of backup pad bottom, and a plurality of guide wheel is installed to the outer wall of rope.

Preferably, the top of protection storehouse has been seted up logical groove, and the second spout has been seted up to the inner wall of logical groove, and a set of closing plate is installed to the inner wall of second spout, and a set of second through-hole has been seted up to one side of closing plate, and the second horizontal pole is installed to the inner wall of second through-hole, and the inner wall in second spout is all installed at the both ends of second horizontal pole, and the second spring is installed to the tail end of second horizontal pole outer wall.

Preferably, a handle is installed at one side of the sealing plate, and the outer wall of the handle is installed at the other end of the rope.

Preferably, a third spring is installed on the inner wall of the second limiting groove, and the inner wall of the third spring is installed on the top of the outer wall of the push rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the motor drives the bidirectional screw rod to rotate, the bidirectional screw rod can rotate to drive the sliding block to move, the sliding block can move to adjust the height of the supporting plate through the arrangement of the first rotating shaft, the connecting rod and the second rotating shaft, the first cross rod can improve the balance of the movement of the supporting plate, the supporting plate can drive the rope to move, the rope can pull the handle through the arrangement of the guide wheels, the sealing plate is pulled to move, the sealing plate moves to open the notch, the supporting plate can drive the audible and visual alarm to move out of the protection bin to achieve the audible and visual alarm effect, when the motor rotates in the opposite direction, the supporting plate can be driven to descend, the sealing plate can be pushed by the elastic force of the second spring to seal the notch, and then the audible and visual alarm can be protected in the use process of the anti-explosion electrical equipment failure alarm device.

2. According to the utility model, the limiting block is driven to be separated from the inside of the limiting hole by pulling the pull rod, at the moment, the third spring can push the push rod to move downwards, at the moment, the push rod can not squeeze the electric switch any more, at the moment, the explosion-proof electric equipment can be powered off, and the use safety of the explosion-proof electric equipment is improved when a user checks the explosion-proof electric equipment.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the guard bin of the utility model;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of a second chute according to the present utility model;

fig. 5 is a schematic view of a first chute structure according to the present utility model.

In the figure: 1. a protective bin; 2. a door; 3. an explosion-proof electrical equipment housing; 101. a first chute; 102. a slide block; 103. a two-way screw rod; 104. a motor; 105. a first rotating shaft; 106. a connecting rod; 107. a second rotating shaft; 108. a support plate; 109. an audible and visual alarm; 201. a first restriction groove; 202. a first spring; 203. a limiting block; 204. a pull rod; 301. a mounting groove; 302. an electrical switch; 303. a push rod; 304. a second limiting groove; 305. limiting the aperture; 401. a first through hole; 402. a first cross bar; 403. a rope; 404. a guide wheel; 501. a through groove; 502. a second chute; 503. a sealing plate; 504. a second through hole; 505. a second cross bar; 506. a second spring; 601. a handle; 701. and a third spring.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, in an embodiment of the present utility model, an alarm device for failure of an explosion-proof electrical apparatus includes a protection cabin 1, a door 2, and an explosion-proof electrical apparatus housing 3, wherein the protection cabin 1 is provided on the top of the inner wall of the explosion-proof electrical apparatus housing 3 through a partition plate, and the door 2 is mounted on the front surface of the explosion-proof electrical apparatus housing 3 through a hinge;

referring to fig. 1, 2, 4 and 5, a first chute 101 is formed in an inner bottom wall of a protection cabin 1, a group of sliders 102 are installed on an inner wall of the first chute 101, a bidirectional screw 103 is installed on an inner wall of the sliders 102 in a penetrating manner, a motor 104 is installed at one end of the bidirectional screw 103, a first rotating shaft 105 is installed at the top of the sliders 102, a connecting rod 106 is installed on an outer wall of the first rotating shaft 105, a second rotating shaft 107 is installed at the other end of the connecting rod 106, a supporting plate 108 is installed at the top of the second rotating shaft 107, an audible-visual annunciator 109 is installed in a middle part of the top of the supporting plate 108, first through holes 401 are formed in four corners of the top of the supporting plate 108, first cross bars 402 are installed on inner walls of the first through holes 401, two ends of the first cross bars 402 are installed on the inner wall of the protection cabin 1, ropes 403 are installed on two sides of the bottom of the supporting plate 108, a plurality of guide wheels 404 are installed on outer walls of the ropes 403, the top of the protection bin 1 is provided with a through groove 501, the inner wall of the through groove 501 is provided with a second chute 502, the inner wall of the second chute 502 is provided with a group of sealing plates 503, one side of each sealing plate 503 is provided with a group of second through holes 504, the inner wall of each second through hole 504 is provided with a second cross rod 505, both ends of each second cross rod 505 are respectively arranged on the inner wall of each second chute 502, the tail end of the outer wall of each second cross rod 505 is provided with a second spring 506, one side of each sealing plate 503 is provided with a handle 601, the outer wall of each handle 601 is arranged on the other end of each rope 403, the motor 104 drives the bidirectional screw 103 to rotate, the bidirectional screw 103 can drive the sliding block 102 to move, the sliding block 102 can adjust the height of the supporting plate 108 through the arrangement of the first rotating shaft 105, the connecting rod 106 and the second rotating shaft 107, the first cross rod 402 can improve the balance of the movement of the supporting plate 108, the supporting plate 108 can drive the ropes 403 to move, through the arrangement of the guide wheels 404, the rope 403 can move to pull the handle 601, then the sealing plate 503 is pulled to move, the sealing plate 503 moves to open the gap, the supporting plate 108 can drive the audible and visual alarm 109 to move out of the protection bin 1, the audible and visual alarm effect is achieved, when the motor 104 rotates in the opposite direction, the supporting plate 108 can be driven to descend, the elastic force of the second spring 506 can push the sealing plate 503 to seal the gap, and then the audible and visual alarm 109 can be protected in the use process of the explosion-proof electrical equipment failure alarm device;

referring to fig. 1, 2 and 3, the front surface of the door 2 is provided with a first limiting groove 201, the inner wall of the first limiting groove 201 is provided with a first spring 202, the inner wall of the first spring 202 is provided with a limiting block 203, the front end of the limiting block 203 is provided with a pull rod 204, the inner wall of the explosion-proof electrical equipment housing 3 is provided with a mounting groove 301, the inner wall of the mounting groove 301 is provided with an electrical switch 302, the bottom of the electrical switch 302 is provided with a push rod 303, the bottom of the mounting groove 301 is provided with a second limiting groove 304, the inner wall of the explosion-proof electrical equipment housing 3 is provided with a limiting hole 305, the inner wall of the limiting hole 305 is arranged on the outer wall of the limiting block 203, the inner wall of the second limiting groove 304 is provided with a third spring 701, the inner wall of the third spring 701 is arranged on the top of the outer wall of the push rod 303, the limiting block 203 is driven to be separated from the inside of the limiting hole by pulling the pull rod 204, at this moment, the third spring 701 can push the push rod 303 moves downwards, at this moment, the push rod 303 can not be extruded any more, the explosion-proof electrical equipment can be powered down, the user can check the explosion-proof electrical equipment, and the safety of the explosion-proof electrical equipment can be improved.

The operating principle drives bi-directional lead screw 103 through motor 104 and rotates, bi-directional lead screw 103 rotates and can drive slider 102 and remove, through the setting of first pivot 105, connecting rod 106 and second pivot 107, slider 102 removes and can adjust the height of backup pad 108, first horizontal pole 402 can improve the equilibrium that backup pad 108 removed, backup pad 108 removes and can drive rope 403 and remove, through the setting of guide wheel 404, rope 403 removes and can pull handle 601, and then pull closing plate 503 removes, the breach is opened in closing plate 503 removal, backup pad 108 can drive audible and visual annunciator 109 and shift out protection storehouse 1, reach audible and visual alarm's effect, when motor 104 is rotatory to the opposite direction, can drive backup pad 108 decline, the elasticity of second spring 506 can promote closing plate 503 and seal the breach, and then can be in explosion-proof electrical equipment invalidation alarm device's use, play the guard effect to audible and visual annunciator 109, drive limit block 203 and break away from the inside of limiting hole 305 through pulling pull rod 204, at this moment third spring 303 can not push rod 303 again, at this moment, explosion-proof electrical equipment just can be by the power failure inspection personnel, it is favorable to use safety to improve its use in the explosion-proof equipment.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an explosion-proof electrical equipment failure alarm device, includes protection storehouse (1), chamber door (2) and explosion-proof electrical equipment shell (3), its characterized in that: the top of the inner wall of the explosion-proof electrical equipment shell (3) is provided with a protection bin (1) through a partition plate, and the front surface of the explosion-proof electrical equipment shell (3) is provided with a box door (2) through a hinge;

a first sliding groove (101) is formed in the inner bottom wall of the protection bin (1), a group of sliding blocks (102) are arranged on the inner wall of the first sliding groove (101), a bidirectional screw rod (103) is arranged on the inner wall of the sliding blocks (102) in a penetrating mode, and a motor (104) is arranged at one end of the bidirectional screw rod (103);

the top of slider (102) is installed first pivot (105), connecting rod (106) are installed to the outer wall of first pivot (105), second pivot (107) are installed to the other end of connecting rod (106), backup pad (108) are installed at the top of second pivot (107), mid-mounting at backup pad (108) top has audible-visual annunciator (109).

2. The explosion-proof electrical equipment failure warning device according to claim 1, characterized in that: the front of chamber door (2) has seted up first restriction groove (201), and first spring (202) are installed to the inner wall of first restriction groove (201), and limit piece (203) are installed to the inner wall of first spring (202), and pull rod (204) are installed at the positive tail end of limit piece (203).

3. The explosion-proof electrical equipment failure warning device according to claim 1, characterized in that: the explosion-proof electrical equipment shell (3) is characterized in that an installation groove (301) is formed in the inner wall of the explosion-proof electrical equipment shell (3), an electrical switch (302) is installed on the inner wall of the installation groove (301), a push rod (303) is installed at the bottom of the electrical switch (302), a second limiting groove (304) is formed in the bottom of the installation groove (301), a limiting hole (305) is formed in the inner wall of the explosion-proof electrical equipment shell (3), and the inner wall of the limiting hole (305) is installed on the outer wall of the limiting block (203).

4. The explosion-proof electrical equipment failure warning device according to claim 1, characterized in that: first through-hole (401) have all been seted up at four corners at backup pad (108) top, and first horizontal pole (402) are installed to the inner wall of first through-hole (401), and the inner wall in protection storehouse (1) is all installed at the both ends of first horizontal pole (402), and rope (403) are all installed to the both sides of backup pad (108) bottom, and a plurality of guide wheel (404) are installed to the outer wall of rope (403).

5. The explosion-proof electrical equipment failure warning device according to claim 1, characterized in that: the top of protection storehouse (1) has been seted up logical groove (501), second spout (502) have been seted up to the inner wall of logical groove (501), a set of closing plate (503) are installed to the inner wall of second spout (502), a set of second through-hole (504) have been seted up to one side of closing plate (503), second horizontal pole (505) are installed to the inner wall of second through-hole (504), and the both ends of second horizontal pole (505) are all installed in the inner wall of second spout (502), second spring (506) are installed to the tail end of second horizontal pole (505) outer wall.

6. The explosion-proof electrical equipment failure warning device according to claim 5, characterized in that: a handle (601) is mounted on one side of the sealing plate (503), and the outer wall of the handle (601) is mounted on the other end of the rope (403).

7. A failure warning device for explosion-proof electrical equipment according to claim 3, characterized in that: a third spring (701) is arranged on the inner wall of the second limiting groove (304), and the inner wall of the third spring (701) is arranged on the top of the outer wall of the push rod (303).