CN218334874U

CN218334874U - Isolated explosion-proof box

Info

Publication number: CN218334874U
Application number: CN202222516458.5U
Authority: CN
Inventors: 李继东
Original assignee: Sichuan Yizhou Technology Co ltd
Current assignee: Sichuan Yizhou Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-17
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses an isolated explosion-proof box, including the explosion-proof box body, the inside first cavity and the second cavity of being equipped with of explosion-proof box body, fixedly connected with division board between first cavity and the second cavity, be equipped with a plurality of spool on the division board, be equipped with the shutdown mechanism on the division board, the shutdown mechanism includes starting switch and support column, starting switch one side is equipped with hot bimetallic strip, rotate on the support column and be connected with two swivel collars; the utility model discloses a set up shutdown mechanism, the electric equipment of division board in with first cavity and second cavity is separated, and hot bimetallic strip feels and receives temperature variation and takes place deformation to press starting switch and start electric putter, and electric putter drives two and cuts off the blade and be close to each other, cuts off the wire in passing the spool to the utilization cuts off the blade and seals the spool, thereby can prevent to arouse other equipment and component to catch fire, improves the protecting effect.

Description

Isolated explosion-proof box

Technical Field

The utility model relates to an explosion-proof box technical field specifically is an explosion-proof box of isolated form.

Background

The explosion-proof box is mainly used for protecting the electrical equipment in flammable and explosive scenes, and can prevent dust in the surrounding environment from entering the box body, prevent the electrical equipment from igniting dust to explode in the operation process and further play a good role in protecting the internal electrical equipment.

In the prior art, application No. CN202021677349.6 discloses an isolating explosion-proof box of a light source controller, which comprises: the explosion-proof shell is internally provided with an accommodating space and an opening; the explosion-proof bottom plate is fixed on the explosion-proof shell and seals the opening of the explosion-proof shell; the light source controller is fixed on the explosion-proof bottom plate and is positioned in the accommodating space; the anti-explosion case is provided with at least one anti-explosion gland head and at least one anti-explosion button, and the light source controller isolation anti-explosion case can place electrical elements such as the light source controller into the anti-explosion case when being applied to a place containing flammable and explosive gas, so that common electrical elements can be selected, the universality of the electrical elements is increased, the maintenance and repair cost is reduced, but in the using process, when a lead in the case is in short circuit and catches fire, other circuits and electronic elements are easily triggered, and the protection effect is not ideal enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof box of isolated form to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an isolated explosion-proof box comprises an explosion-proof box body, wherein a first cavity and a second cavity are arranged in the explosion-proof box body, an isolation plate is fixedly connected between the first cavity and the second cavity, a plurality of wire passing pipes are arranged on the isolation plate, and a cutting mechanism is arranged on the isolation plate;

shutdown mechanism includes starting switch and support column, starting switch one side is equipped with hot bimetallic strip, it is connected with two change rings, two to rotate on the support column the equal fixedly connected with connecting rod in change ring surface, two the equal fixedly connected with of connecting rod tip cuts off the blade, two the relative one side of connecting rod all rotates and is connected with the movable rod, two rotate between the movable rod tip and connect, fixedly connected with electric putter on the support column, electric putter's output shaft tip fixedly connected with adapter sleeve, two movable rod and adapter sleeve swing joint.

As a further preferred aspect of the present technical solution, one end of the thermal bimetal is fixed on the isolation plate, the other end of the thermal bimetal is set as a free end, and the start switch is disposed on one side of the free end of the thermal bimetal.

As a further preferred aspect of the present technical solution, the supporting column is disposed on one side of the wire passing pipe, and the two cutting blades are respectively disposed on two sides of the wire passing pipe, and the supporting column is fixedly mounted on the isolation plate.

As a further preferable mode of the technical solution, a joint of one end of each of the two movable rods is arranged inside the connecting sleeve, and the connecting sleeve has a ring-shaped cross section.

As a further preferred aspect of the present technical solution, the first cavity and the second cavity are both provided with explosion vents, and both of the explosion vents are provided with handles.

As a further preferred aspect of the technical solution, a movable groove is formed at one end of the explosion vent, and a locking head is slidably connected inside the movable groove.

As a further preferred of this technical scheme, be equipped with reset spring between locking head and the activity inslot wall, locking head tip fixedly connected with connects the rope, connect rope tip fixedly connected with pull rod, pull rod and handle sliding connection, it is equipped with the supporting wheel to connect rope one side, the supporting wheel rotates with the explosion door inner wall and is connected.

The utility model provides an explosion-proof case of isolated form possesses following beneficial effect:

(1) The utility model discloses a set up shutdown mechanism, the division board is separated the electrical equipment in with first cavity and second cavity, and hot bimetallic strip feels and receives temperature variation and takes place deformation and press starting switch to start electric putter, and electric putter drives two and cuts off the blade and be close to each other, cuts off the wire in passing the spool to the utilization cuts off the blade and seals the spool, thereby can prevent to arouse other equipment and component to catch fire, improves the protecting effect.

(2) The utility model discloses a set up the locking head, through the pulling pull rod, the pull rod removes to drive and connects the rope and remove, connects the rope and removes and drive the locking head and remove, with its income explosion vent inside, conveniently open the explosion vent and overhaul and install the electrical equipment of inside, improve the convenience of using.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the isolation board of the present invention;

fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the internal structure of the explosion vent of the present invention;

in the figure: 1. an explosion-proof box body; 2. a first cavity; 3. a second cavity; 4. a separator plate; 5. a wire passing pipe; 6. a cutting mechanism; 7. a support pillar; 8. starting a switch; 9. a thermal bimetal; 10. a rotating ring; 11. a connecting rod; 12. cutting off the blade; 13. a movable rod; 14. an electric push rod; 15. an explosion vent; 16. a handle; 17. a movable groove; 18. a locking head; 19. a return spring; 20. connecting ropes; 21. a pull rod; 22. and supporting the wheels.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a technical scheme: as shown in fig. 1 and fig. 2, in this embodiment, an isolated explosion-proof box includes an explosion-proof box body 1, a first cavity 2 and a second cavity 3 are arranged inside the explosion-proof box body 1, a separation plate 4 is fixedly connected between the first cavity 2 and the second cavity 3, a plurality of wire conduits 5 are arranged on the separation plate 4, a cutting mechanism 6 is arranged on the separation plate 4, electrical equipment in the first cavity 2 and the second cavity 3 can be separated through the separation plate 4, damage to the intact equipment is prevented, and a wire is cut off by the cutting mechanism 6 during combustion, so that ignition of other equipment and elements is prevented, and a protection effect is improved.

As shown in fig. 2 and 3, the cutting mechanism 6 includes a starting switch 8 and a supporting column 7, the supporting column 7 is disposed on one side of the wire conduit 5, the supporting column 7 is fixedly mounted on the isolation board 4, a thermal bimetal 9 is disposed on one side of the starting switch 8, the thermal bimetal 9 is a sheet rolled by two (or more) layers of metal stitch welding with different thermal expansion coefficients, when the temperature changes, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetal will bend to one side of the passive layer, the starting switch 8 is conveniently pressed, one end of the thermal bimetal 9 is fixed on the isolation board 4, the other end of the thermal bimetal 9 is set as a free end, and the starting switch 8 is disposed on one side of the free end of the thermal bimetal 9, the supporting column 7 is rotatably connected with two rotating rings 10, the surfaces of the two rotating rings 10 are fixedly connected with a connecting rod 11, the ends of the two connecting rods 11 are fixedly connected with a cutting blade 12, and the two cutting blades 12 are respectively disposed on two sides of the wire conduit 5, one side opposite to the two connecting rods 11 are rotatably connected with a moving rod 13, the connecting sleeves 13 are rotatably connected between the connecting rods 13, the ends of the two moving rods 13, the moving rod 13 are fixedly connected with the supporting column 7, the moving rod 14 is connected with an electric moving rod 14, the moving rod 14 is connected with the moving rod 13, the starting switch 14, the moving rod 13, and the moving rod 14, the moving rod 14 is connected with the moving rod 13, the moving rod 14, when the starting switch is capable of the moving rod 14, the extension of electric putter 14's output shaft promotes movable rod 13 and removes, and movable rod 13 removes and drives two connecting rods 11 and rotate, and connecting rod 11 rotates and drives two and cut off blade 12 and be close to each other, cuts off the wire that passes in spool 5 to utilize and cut off blade 12 and seal spool 5, thereby can prevent to arouse that other equipment and component catch fire, improve the guard effect.

As shown in fig. 1 and 4, all be equipped with explosion vent 15 on first cavity 2 and the second cavity 3, two all be equipped with handle 16 on the explosion vent 15, movable groove 17 has been seted up to explosion vent 15 one end, the inside sliding connection of movable groove 17 has locking head 18, be equipped with reset spring 19 between locking head 18 and the movable groove 17 inner wall, can reset locking head 18, locking head 18 tip fixedly connected with connecting rope 20, connecting rope 20 tip fixedly connected with pull rod 21, pull rod 21 and handle 16 sliding connection, connecting rope 20 one side is equipped with supporting wheel 22, supporting wheel 22 rotates with explosion vent 15 inner wall to be connected, and accessible pulling pull rod 21, pull rod 21 remove to drive connecting rope 20 and remove, and connecting rope 20 removes to drive locking head 18 and removes, with its income to inside explosion vent 15, conveniently open explosion vent 15 and overhaul and install the electrical equipment of inside, improve the convenience of using.

The utility model provides an explosion-proof case of isolated form, concrete theory of operation as follows:

in-service use the utility model discloses in the time, when catching fire, hot bimetallic strip 9 experiences temperature variation and takes place deformation to press starting switch 8, starting switch 8 starts electric putter 14, electric putter 14's output shaft extension promotes movable rod 13 and removes, movable rod 13 removes and drives two connecting rods 11 rotations, connecting rod 11 rotates and drives two and cut off blade 12 and be close to each other, cut off the wire in passing spool 5, and utilize and cut off blade 12 and seal spool 5, thereby can prevent to arouse that other equipment and component catch fire, improve the protecting effect.

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 explosion-proof case of isolated form, includes explosion-proof box (1), its characterized in that: a first cavity (2) and a second cavity (3) are arranged in the explosion-proof box body (1), an isolation plate (4) is fixedly connected between the first cavity (2) and the second cavity (3), a plurality of wire passing pipes (5) are arranged on the isolation plate (4), and a cutting mechanism (6) is arranged on the isolation plate (4);

shutdown mechanism (6) are including starting switch (8) and support column (7), starting switch (8) one side is equipped with hot bimetallic strip (9), it is connected with two swivel becket (10), two to rotate on support column (7) swivel becket (10) equal fixedly connected with connecting rod in surface (11), two the equal fixedly connected with of connecting rod (11) tip cuts off blade (12), two connecting rod (11) relative one side all rotates and is connected with movable rod (13), two rotate between movable rod (13) tip and connect, fixedly connected with electric putter (14) on support column (7), the output shaft tip fixedly connected with adapter sleeve of electric putter (14), two movable rod (13) and adapter sleeve swing joint.

2. An isolated explosion proof tank as defined in claim 1, wherein: one end of the thermal bimetallic strip (9) is fixed on the isolation plate (4), the other end of the thermal bimetallic strip (9) is set to be a free end, and the starting switch (8) is arranged on one side of the free end of the thermal bimetallic strip (9).

3. An isolated explosion proof tank as defined in claim 1, wherein: the supporting columns (7) are arranged on one side of the wire passing pipe (5), the two cutting blades (12) are arranged on two sides of the wire passing pipe (5) respectively, and the supporting columns (7) are fixedly installed on the isolation plate (4).

4. An isolated explosion proof tank as defined in claim 1, wherein: the joint of one ends of the two movable rods (13) is arranged in the connecting sleeve, and the cross section of the connecting sleeve is annular.

5. An isolated explosion proof tank as defined in claim 1, wherein: explosion vents (15) are arranged on the first cavity (2) and the second cavity (3), and handles (16) are arranged on the explosion vents (15).

6. An isolated explosion proof tank as defined in claim 5, wherein: a movable groove (17) is formed in one end of the explosion door (15), and a locking head (18) is connected to the inner portion of the movable groove (17) in a sliding mode.

7. An isolated explosion proof tank as claimed in claim 6, wherein: be equipped with reset spring (19) between locking head (18) and activity groove (17) inner wall, locking head (18) tip fixedly connected with connects rope (20), connect rope (20) tip fixedly connected with pull rod (21), pull rod (21) and handle (16) sliding connection, it is equipped with supporting wheel (22) to connect rope (20) one side, supporting wheel (22) rotate with explosion vent (15) inner wall and be connected.