CN112274814B

CN112274814B - Inflating cabinet

Info

Publication number: CN112274814B
Application number: CN202011123672.3A
Authority: CN
Inventors: 张俊磊; 郑翔翔; 张长顺
Original assignee: Zihui Power Equipment Co ltd
Current assignee: Zihui Power Equipment Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2022-03-01
Anticipated expiration: 2040-10-20
Also published as: CN112274814A

Abstract

The application discloses aerify cabinet relates to the cabinet field of aerifing, and it includes the switch room and is located the cable chamber of switch room below, and the level is provided with the baffle between switch room and the cable chamber, and the lower terminal surface of baffle is provided with the box that holds that splendid attire dry powder extinguishing agent, and the lower extreme that holds the box is the opening form and sets up, and the lower terminal surface horizontal sliding connection who holds the box has a pair of switchboard, and a pair of switchboard is used for control to hold the box and opens and close to be provided with on the baffle and be used for controlling a pair of switchboard and be close to each other or the control mechanism who keeps away from. The application has the following advantages and effects: the containing box for storing the dry powder extinguishing agent is arranged, and the opening and closing plate for automatically opening and closing is arranged to control the containing box to be opened and closed, so that the dry powder extinguishing agent in the containing box automatically sprinkles to a fire point, and the dry powder extinguishing agent components are utilized to conduct timely inflaming retarding and extinguishment, and the effect of preventing fire spreading is achieved.

Description

Inflating cabinet

Technical Field

The application relates to the field of inflatable cabinets, in particular to an inflatable cabinet.

Background

The inflatable cabinet is a new generation of switch equipment, the main switch can be a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, the whole cabinet is combined with a sulfur hexafluoride gas compartment by adopting air insulation, and the inflatable cabinet is compact and expandable and is suitable for distribution automation.

Chinese patent CN207801324U discloses an air-filled cabinet, which comprises a switch chamber and a cable chamber arranged below the switch chamber, wherein a horizontal partition plate is arranged between the switch chamber and the cable chamber.

When the inflatable cabinet in the related art is used, various cables are usually installed in a cable chamber, but when a fire disaster occurs due to large cable load in the cable chamber, if the fire is not extinguished in time, the fire disaster can spread, so that huge economic loss can be caused, and improvement is needed.

Disclosure of Invention

In order to prevent the fire from spreading in time, the application aims to provide the inflatable cabinet.

The application provides an aerify cabinet adopts following technical scheme: the utility model provides an aerify cabinet, includes the switch chamber and is located the cable chamber of switch chamber below, the switch chamber with the level is provided with the baffle between the cable chamber, the lower terminal surface of baffle is provided with the box that holds of splendid attire dry powder fire extinguishing agent, the lower extreme that holds the box is the opening form and sets up, the lower terminal surface horizontal sliding connection who holds the box has a pair of switch board, and is a pair of the switch board is used for control it opens and close to hold the box, and be provided with on the baffle and be used for controlling a pair of the control mechanism that the switch board is close to each other or keeps away from.

Through adopting above-mentioned technical scheme, when the cable chamber in above-mentioned gas insulated switchgear catches fire, control mechanism opens, and control mechanism controls a pair of switch boards and keeps away from each other this moment, realizes holding the opening control of box. Meanwhile, the dry powder extinguishing agent in the containing box is scattered at the fire-starting position, and the self characteristics of the dry powder extinguishing agent are utilized to timely retard fire and extinguish fire to a burning point, so that the fire can be prevented from continuously spreading in time, and the overlarge economic loss is avoided.

The present application may be further configured in a preferred example to: a cavity is arranged in the partition plate, the control mechanism comprises a pair of upper racks horizontally arranged in the cavity, the pair of upper racks are horizontally and slidably connected to the inner wall of the cavity, and a control spring is arranged between the pair of upper racks; the control mechanism further comprises a pair of lower racks horizontally arranged in the cavity, the pair of lower racks are horizontally and slidably connected to the inner wall of the cavity, and a gear is meshed between the upper rack and the lower rack which are positioned on the same side; a control rod is vertically arranged on the lower end face of the lower rack, the lower end of the control rod is fixed at one end, away from the switch board, of the switch board, and a control hole which is communicated with the cavity and is used for the control rod to slide is formed in the lower end face of the partition board; the two ends of the cavity are both rotatably connected with upper pulleys, the inner wall of the cable chamber is rotatably connected with lower pulleys, the lower pulleys are positioned below the switch board, and the lower end faces of the two ends of the partition board are both provided with through holes aligned with the upper pulleys and the lower pulleys in a penetrating manner; and a pull rope is horizontally arranged between the pair of lower pulleys, and two ends of the pull rope penetrate through the through holes respectively and are fixed on one end face of the upper rack, which deviates from each other, after being wound on the upper pulleys.

Through adopting above-mentioned technical scheme, when the cable chamber was on fire, flame burnt the stay cord, and under control spring's elastic action this moment, the rack was close to each other on the control once, and under the meshing effect of gear this moment, a pair of lower rack of control was kept away from each other. Meanwhile, the lower rack drives the control rod to move synchronously, and drives the pair of switch boards to be away from each other, so that the containing box is automatically opened, and automatic fire extinguishing is realized. Therefore, the stay cord is blown by flame at the fire point, the opening of the whole control mechanism is realized, and the automatic opening control of the switch board is realized, so that the automatic fire extinguishing and the timely flame retarding at the fire point position are realized, and the continuous spreading of the fire is prevented in time.

The present application may be further configured in a preferred example to: the vertical rotation of the both ends roof that holds the box all is connected with the pivot, the outer wall of pivot is provided with the flabellum, be provided with the drive on the control lever the rotatory actuating mechanism of pivot.

Through adopting above-mentioned technical scheme, when holding the box and opening the back, utilize actuating mechanism control pivot rotatory, the pivot drives flabellum synchronous motion this moment to mix the dry powder extinguishing agent in holding the box, make the spraying of dry powder extinguishing agent large tracts of land in the cable chamber, realize the comprehensive cover of ignition and put out a fire fast, in time prevent the continuation of conflagration and spread.

The present application may be further configured in a preferred example to: actuating mechanism including set up in connect the rope on the control lever, the both sides that hold the box all run through and are provided with the confession connect the connecting hole that the rope wore to establish, and connect the rope deviate from the one end of control lever twine in the outer wall of pivot.

Through adopting above-mentioned technical scheme, when the control lever motion, will stimulate and connect rope synchronous motion, connect rope control shaft autogiration this moment to realize the stable stirring and the spraying of dry powder fire extinguishing agent. Therefore, the structure is simple, the driving mechanism is convenient to operate, the stable control of the rotation of the rotating shaft and the fan blades is realized, and the stable stirring and spraying of the dry powder extinguishing agent are realized.

The present application may be further configured in a preferred example to: the upper end face of the partition plate is provided with an access hole, the bottom wall of the cavity is provided with a filler hole communicated with the containing box, a sealing plug is arranged in the filler hole, a cover plate is arranged in the access hole, and a locking mechanism used for fixing the cover plate is arranged on the cover plate.

Through adopting above-mentioned technical scheme, when aerifing the long-time use of cabinet, need detect actuating mechanism, change the dry powder extinguishing agent simultaneously to guarantee stable fire extinguishing function. When detecting, with locking mechanical system release, then take off the apron, can detect actuating mechanism afterwards. After the detection is finished, the sealing plug is taken down, then the dry powder extinguishing agent in the containing box is taken out, and after the new dry powder extinguishing agent is filled in the containing box, the sealing plug and the cover plate are installed again, so that the overhaul of the driving mechanism and the quick replacement of the dry powder extinguishing agent are realized. Consequently through setting up access hole and apron, realize the baffle and hold quick opening of box to realize actuating mechanism's maintenance and dry powder extinguishing agent's quick replacement.

The present application may be further configured in a preferred example to: the locking mechanism comprises locking rods horizontally arranged at two ends of the cover plate, a concave cavity is arranged in the cover plate, locking holes which are communicated with the concave cavity and used for the locking rods to slide are arranged at two ends of the cover plate, and locking grooves for the locking rods to be inserted are arranged on inner walls of two ends of the access hole; the locking rod is located one end inside the cavity and is provided with a baffle, a driving spring is sleeved on the outer wall of the locking rod and located between the inner wall of the cavity and the baffle, and an operation mechanism used for controlling the pair of baffles to be close to or far away from each other is arranged on the cover plate.

By adopting the technical scheme, when the locking mechanism is locked, the control mechanism is utilized to control the pair of baffles to be away from each other, and at the moment, the baffles drive the locking rod to move synchronously and press the driving spring to compress. And the locking of the locking mechanism can be realized until the locking rod is inserted into the locking groove. When the locking mechanism is released, the control mechanism is used for controlling the pair of baffles to approach each other, and the baffles drive the locking rod to move synchronously. And the locking mechanism can be released until the locking rod is completely separated from the locking groove. Therefore, the quick disassembly and assembly of the cover plate are realized by the locking mechanism with simple structure and stable operation, namely, the quick maintenance of the driving mechanism and the quick replacement of the dry powder extinguishing agent are realized.

The present application may be further configured in a preferred example to: the both ends up end of apron all is provided with the recess, control the mechanism and include a pair of level rotation respectively connect in a pair of recess inner wall's control lever, be provided with on the control lever and be used for embedding after the upset the handle in the recess, be provided with on the control lever and be used for conflicting the driving lever of baffle outer wall, and the diapire of recess is provided with the intercommunication inside just being used for the confession the sliding hole that the driving lever wore to establish.

Through adopting above-mentioned technical scheme, when removing locking mechanical system, the handle upward movement that overturns, the handle drives the control lever synchronous revolution this moment. Meanwhile, the control rod drives the shifting rod to move synchronously and gradually far away from the baffle plate, and then the baffle plates are controlled to be close to each other under the action of the elastic force of the driving spring, so that the automatic release of the locking mechanism is realized. When the locking mechanism is locked, the turnover handle moves downwards and is embedded into the groove, and the handle drives the control rod to rotate synchronously. Meanwhile, the control rod drives the shifting rod to move synchronously, the baffle and the locking rod are driven to gradually and mutually move away until the locking rod is inserted into the locking groove, and the handle is embedded into the groove, so that automatic locking of the locking mechanism is realized. Therefore, the locking rod is controlled to slide in a reciprocating manner by turning the handle, so that the locking and releasing of the locking mechanism are stably controlled, and the cover plate is more easily and conveniently disassembled and assembled.

The present application may be further configured in a preferred example to: hooks are arranged at two ends of the pull rope, and lock rings for hooking the hooks are arranged on the upper rack.

Through adopting above-mentioned technical scheme, through the cooperation that sets up couple and catch, realize the quick installation of stay cord fixed, make actuating mechanism's maintenance process light more convenient simultaneously.

The present application may be further configured in a preferred example to: the hook comprises a hook body, a pipe body is arranged on the hook body, and a rod body for fixing the pull rope is in threaded connection with the inner wall of the pipe body.

Through adopting above-mentioned technical scheme, through the body of rod and the body that sets up threaded connection, realize that the couple uses the adjustable of length and convenient regulation to realize the quick adjustment of stay cord elasticity degree, and then guarantee the stability of stay cord.

In summary, the present application has the following beneficial effects:

1. the containing box for storing the dry powder extinguishing agent is arranged, and the opening and closing of the containing box are controlled by the automatic opening and closing switch board, so that the dry powder extinguishing agent in the containing box automatically spills to a fire point, and the dry powder extinguishing agent components are utilized for timely retarding and extinguishing fire, thereby achieving the effect of preventing fire spreading;

2. the stay cord is blown by flame at the fire point, so that the whole control mechanism is started, and the automatic starting control of the switch board is realized, so that the automatic fire extinguishing and the timely flame retarding at the fire point are realized, and further the continuous spread of fire is prevented in time;

3. the driving mechanism is arranged to control the rotating shaft and the fan blades to rotate synchronously, and dry powder extinguishing agent in the containing box is stirred, so that the dry powder extinguishing agent is sprayed into a cable chamber in a large area, the fire is completely covered and quickly extinguished, and the fire is prevented from spreading continuously in time;

4. the partition board and the accommodating box are quickly opened by arranging the access hole and the cover plate, so that the driving mechanism is overhauled and the dry powder extinguishing agent is quickly replaced;

5. through setting up the structure succinctly to the locking mechanical system that the operation is stable with control the mechanism, realize the quick assembly disassembly of apron, realize actuating mechanism's quick maintenance and dry powder extinguishing agent's quick replacement promptly.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic view of the internal structure of the embodiment;

FIG. 3 is a schematic structural view of a pull cord of an embodiment;

FIG. 4 is a schematic structural view of a separator of the embodiment;

fig. 5 is a schematic structural view of a lock mechanism of the embodiment.

Reference numerals: 1. a switch chamber; 2. a cable chamber; 3. a partition plate; 31. a cavity; 32. an access hole; 33. a filler hole; 34. a sealing plug; 35. a cover plate; 4. accommodating the box; 41. a switch plate; 42. a rotating shaft; 43. a fan blade; 5. a control mechanism; 51. an upper rack; 52. a control spring; 53. a lower rack; 54. a gear; 55. a control lever; 56. a control hole; 57. an upper pulley; 58. a lower pulley; 59. a through hole; 6. pulling a rope; 61. hooking; 62. a locking ring; 63. a hook body; 64. a pipe body; 65. a rod body; 7. a drive mechanism; 71. connecting ropes; 72. connecting holes; 8. a locking mechanism; 81. a locking lever; 82. a concave cavity; 83. a locking hole; 84. a locking groove; 85. a baffle plate; 86. a drive spring; 9. an operating mechanism; 91. a groove; 92. a control lever; 93. a handle; 94. a deflector rod; 95. a slide hole.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

As shown in fig. 1 and 2, the gas-filled cabinet comprises a switch chamber 1 and a cable chamber 2 located below the switch chamber 1, and a partition plate 3 is horizontally arranged between the switch chamber 1 and the cable chamber 2.

When using above-mentioned gas tank, earlier whole gas tank is fixed in subaerial, then installs various electrical components to switch room 1 in, with in cable erection to cable chamber 2 simultaneously, can realize the installation and the use of gas tank.

As shown in figure 2, the lower end face of the partition board 3 is provided with a containing box 4 for containing the dry powder extinguishing agent, and the lower end of the containing box 4 is arranged in an opening shape. The lower end surface of the containing box 4 is horizontally and movably connected with a pair of switch plates 41, the pair of switch plates 41 are used for controlling the containing box 4 to be opened and closed, and the partition plate 3 is provided with a control mechanism 5 for controlling the pair of switch plates 41 to be close to or far away from each other.

When the cable chamber 2 in the gas-filled cabinet is on fire, the control mechanism 5 is opened, and at the moment, the control mechanism 5 controls the pair of switch boards 41 to be away from each other, so that the opening control of the accommodating box 4 is realized. Meanwhile, the dry powder extinguishing agent in the accommodating box 4 is scattered at the fire-starting position, and the characteristics of the dry powder extinguishing agent are utilized to timely retard fire and extinguish fire to a burning point, so that the fire can be prevented from continuously spreading in time, and the overlarge economic loss is avoided.

As shown in fig. 2, the partition 3 is provided with a cavity 31 therein, and the control mechanism 5 includes a pair of upper racks 51 horizontally disposed in the cavity 31. A pair of upper racks 51 are horizontally slidably coupled to an inner wall of the cavity 31, and a control spring 52 is disposed between the pair of upper racks 51.

As shown in fig. 2, the control mechanism 5 further includes a pair of lower racks 53 horizontally disposed in the cavity 31, the pair of lower racks 53 are horizontally slidably connected to the inner wall of the cavity 31, and a gear 54 is engaged between the upper rack 51 and the lower rack 53 on the same side.

As shown in fig. 2, a control rod 55 is vertically disposed on the lower end surface of the lower rack 53, the lower end of the control rod 55 is fixed to the end of the switch plate 41 facing away from the switch plate, and a control hole 56 communicating with the cavity 31 and allowing the control rod 55 to slide is disposed on the lower end surface of the partition plate 3.

As shown in fig. 2, both ends of the cavity 31 are rotatably connected with upper pulleys 57, and the inner wall of the cable chamber 2 is rotatably connected with lower pulleys 58. The lower pulley 58 is located below the switch board 41, and through holes 59 aligned with the upper pulley 57 and the lower pulley 58 are formed through the lower end faces of both ends of the partition board 3.

As shown in fig. 2, the pull rope 6 is horizontally provided between the pair of lower pulleys 58, and both ends of the pull rope 6 are fixed to end surfaces of the upper racks 51 facing away from each other after passing through the through holes 59 and being wound around the upper pulleys 57.

When fire breaks out in the cable chamber 2, the flame blows the pulling rope 6, the upper racks 51 are controlled to be close to each other at one time under the elastic action of the control spring 52, and the pair of lower racks 53 are controlled to be away from each other under the meshing action of the gear 54. Meanwhile, the lower rack 53 drives the control rod 55 to move synchronously and drives the pair of switch boards 41 to be away from each other, so that the accommodating box 4 is automatically opened, automatic fire extinguishing and timely flame retarding at the fire point are realized, and further the fire is prevented from continuously spreading in time.

As shown in fig. 2 and 3, hooks 61 are provided at both ends of the pull cord 6, and a lock ring 62 for hooking the hooks 61 is provided on the upper rack 51. The hook 61 comprises a hook body 63, a tube body 64 is arranged on the hook body 63, and the inner wall of the tube body 64 is in threaded connection with a rod body 65 for fixing the pull rope 6.

When degree stay cord 6 was installed, through the cooperation that sets up couple 61 and catch 62, realized that the quick installation of stay cord 6 is fixed, made actuating mechanism 7's maintenance process light more convenient simultaneously. After 6 installation of stay cord, through the body of rod 65 and the body 64 that sets up threaded connection, realize that couple 61 uses the adjustable and convenient regulation of length to realize the quick adjustment of 6 elasticity degrees of stay cord, and then guarantee the stability of stay cord 6.

As shown in FIG. 2, the top walls of the two ends of the accommodating box 4 are vertically and rotatably connected with a rotating shaft 42, the outer wall of the rotating shaft 42 is provided with fan blades 43, and a control rod 55 is provided with a driving mechanism 7 for driving the rotating shaft 42 to rotate.

As shown in fig. 2, the driving mechanism 7 includes a connecting rope 71 disposed on the control rod 55, two sides of the accommodating box 4 are both provided with a connecting hole 72 for the connecting rope 71 to pass through, and one end of the connecting rope 71 departing from the control rod 55 is wound on the outer wall of the rotating shaft 42.

When the accommodating box 4 is opened, the control rod 55 pulls the connecting rope 71 to move synchronously, the connecting rope 71 controls the rotating shaft 42 to rotate automatically, the rotating shaft 42 drives the fan blades 43 to move synchronously, and the dry powder extinguishing agent in the accommodating box 4 is stirred, so that the dry powder extinguishing agent is sprayed into the cable chamber 2 in a large area, the comprehensive coverage of a fire point and the quick fire extinguishing are realized, and the continuous spreading of a fire disaster is prevented in time.

As shown in fig. 2 and 4, the partition plate 3 has an access opening 32 on its upper end surface, the bottom wall of the cavity 31 has a filling hole 33 communicating with the accommodating box 4, and a sealing plug 34 is provided in the filling hole 33. A cover plate 35 is provided in the access opening 32, and a lock mechanism 8 for fixing the cover plate 35 is provided on the cover plate.

When the long-time use of aerifing the cabinet, need detect actuating mechanism 7, change the dry powder extinguishing agent simultaneously to guarantee stable fire extinguishing function. When the detection is made, the locking mechanism 8 is released, and then the cover plate 35 is removed, and then the driving mechanism 7 can be detected. After the detection is finished, the sealing plug 34 is taken down, then the dry powder extinguishing agent in the accommodating box 4 is taken out, and after a new dry powder extinguishing agent is filled in the accommodating box 4, the sealing plug 34 and the cover plate 35 are installed again, so that the overhaul of the driving mechanism 7 and the quick replacement of the dry powder extinguishing agent are realized.

As shown in fig. 4 and 5, the locking mechanism 8 includes locking levers 81 horizontally disposed at both ends of the cover plate 35, and a cavity 82 is disposed inside the cover plate 35. The cover plate 35 is provided at both ends thereof with locking holes 83 communicating with the cavity 82 and used for sliding the locking rod 81, and the inner walls of both ends of the access opening 32 are provided with locking grooves 84 for the insertion of the locking rod 81.

As shown in fig. 4 and 5, a baffle 85 is disposed at one end of the locking rod 81 inside the cavity 82, and a driving spring 86 is sleeved on an outer wall of the locking rod 81. The driving spring 86 is located between the inner wall of the cavity 82 and the shutter 85, and the cover plate 35 is provided with the operating mechanism 9 for controlling the pair of shutters 85 to approach or separate from each other.

When the locking mechanism 8 is locked, the operating mechanism 9 controls the pair of shutters 85 to move away from each other, and at this time, the shutters 85 drive the locking rods 81 to move synchronously and press the driving springs 86 to compress. The locking mechanism 8 can be locked until the locking rod 81 is inserted into the locking groove 84.

When the locking mechanism 8 is released, the operation mechanism 9 is used to control the pair of shutters 85 to approach each other, and at this time, the shutters 85 drive the locking rods 81 to move synchronously. The lock lever 81 is completely disengaged from the lock groove 84, and the lock mechanism 8 is quickly released.

As shown in fig. 4 and 5, the upper end surfaces of the two ends of the cover plate 35 are provided with grooves 91, and the control mechanism 9 includes a pair of control rods 92 horizontally and rotatably connected to the inner walls of the grooves 91. The operating rod 92 is provided with a handle 93 which is embedded in the groove 91 after being overturned, the operating rod 92 is provided with a deflector rod 94 which is used for abutting against the outer wall of the baffle 85, and the bottom wall of the groove 91 is provided with a sliding hole 95 which is communicated with the inside of the concave cavity 82 and is used for the deflector rod 94 to penetrate through.

When the lock mechanism 8 is released, the tumble handle 93 moves upward, and at this time, the handle 93 rotates the lever 92 in synchronization. At the same time, the lever 92 moves the shift lever 94 synchronously and away from the flap 85, and then the flaps 85 are controlled to approach each other by the elastic force of the driving spring 86, thereby achieving automatic release of the locking mechanism 8.

When locking the locking mechanism 8, the tilting handle 93 moves downward and engages the groove 91, and the handle 93 drives the lever 92 to rotate synchronously. Meanwhile, the lever 92 drives the shift lever 94 to move synchronously, and drives the baffle 85 and the locking rod 81 to move away from each other gradually until the handle 93 is inserted into the groove 91 after the locking rod 81 is inserted into the locking groove 84, so that the locking mechanism 8 is locked automatically.

The working principle is as follows: when the cable chamber 2 in the gas-filled cabinet is on fire, the control mechanism 5 is opened, and at the moment, the control mechanism 5 controls the pair of switch boards 41 to be away from each other, so that the opening control of the accommodating box 4 is realized. Meanwhile, the dry powder extinguishing agent in the accommodating box 4 is scattered at the fire-starting position, and the self characteristics of the dry powder extinguishing agent are utilized to timely retard fire and extinguish fire to a burning point, so that the fire can be prevented from continuously spreading in time.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an aerify cabinet, includes switch chamber (1) and is located cable chamber (2) of switch chamber (1) below, switch chamber (1) with the level is provided with baffle (3) between cable chamber (2), its characterized in that: the lower end face of the partition board (3) is provided with a containing box (4) for containing the dry powder extinguishing agent, the lower end of the containing box (4) is arranged in an opening shape, the lower end face of the containing box (4) is connected with a pair of switch boards (41) in a horizontal sliding mode, the switch boards (41) are used for controlling the containing box (4) to be opened and closed, and the partition board (3) is provided with a control mechanism (5) for controlling the switch boards (41) to be close to or far away from each other;

a cavity (31) is formed in the partition plate (3), the control mechanism (5) comprises a pair of upper racks (51) horizontally arranged in the cavity (31), the pair of upper racks (51) are horizontally and slidably connected to the inner wall of the cavity (31), and a control spring (52) is arranged between the pair of upper racks (51);

the control mechanism (5) further comprises a pair of lower racks (53) horizontally arranged in the cavity (31), the pair of lower racks (53) are horizontally and slidably connected to the inner wall of the cavity (31), and a gear (54) is meshed between the upper rack (51) and the lower rack (53) which are positioned on the same side;

a control rod (55) is vertically arranged on the lower end face of the lower rack (53), the lower end of the control rod (55) is fixed at one end, away from the switch plate (41), of the switch plate, and a control hole (56) which is communicated with the cavity (31) and is used for the control rod (55) to slide is arranged on the lower end face of the partition plate (3);

the two ends of the cavity (31) are rotatably connected with upper pulleys (57), the inner wall of the cable chamber (2) is rotatably connected with lower pulleys (58), the lower pulleys (58) are positioned below the switch plate (41), and the lower end faces of the two ends of the partition plate (3) are respectively provided with through holes (59) aligned with the upper pulleys (57) and the lower pulleys (58) in a penetrating manner;

a pull rope (6) is horizontally arranged between the pair of lower pulleys (58), and two ends of the pull rope (6) are respectively penetrated through the through holes (59) and wound on the upper pulleys (57) and then fixed on the end faces of the upper racks (51) at the ends which are deviated from each other;

the top walls of two ends of the accommodating box (4) are vertically and rotatably connected with a rotating shaft (42), the outer wall of the rotating shaft (42) is provided with a fan blade (43), and the control rod (55) is provided with a driving mechanism (7) for driving the rotating shaft (42) to rotate;

the driving mechanism (7) comprises a connecting rope (71) arranged on the control rod (55), connecting holes (72) for the connecting rope (71) to penetrate through are formed in the two sides of the accommodating box (4), and one end, deviating from the control rod (55), of the connecting rope (71) is wound on the outer wall of the rotating shaft (42).

2. An inflatable cabinet as claimed in claim 1, wherein: the upper end face of baffle (3) is provided with access hole (32), the diapire of cavity (31) is provided with the intercommunication hold packing hole (33) of box (4), be provided with sealing plug (34) in packing hole (33), be provided with apron (35) in access hole (32), and be provided with on apron (35) and be used for fixing its locking mechanical system (8).

3. An inflatable cabinet as claimed in claim 2, wherein: the locking mechanism (8) comprises locking rods (81) horizontally arranged at two ends of the cover plate (35), a cavity (82) is arranged in the cover plate (35), locking holes (83) which are communicated with the cavity (82) and used for allowing the locking rods (81) to slide are formed in two ends of the cover plate (35), and locking grooves (84) for allowing the locking rods (81) to be inserted are formed in inner walls of two ends of the access hole (32);

the locking rod (81) is located one end inside the cavity (82) and is provided with a baffle (85), the outer wall of the locking rod (81) is sleeved with a driving spring (86), the driving spring (86) is located between the inner wall of the cavity (82) and the baffle (85), and the cover plate (35) is provided with an operation mechanism (9) used for controlling the pair of baffles (85) to be close to or far away from each other.

4. An inflatable cabinet as claimed in claim 3, wherein: both ends up end of apron (35) all is provided with recess (91), control mechanism (9) include a pair of level rotation respectively connect in a pair of control lever (92) of recess (91) inner wall, be provided with on control lever (92) and be used for embedding after overturning handle (93) in recess (91), be provided with on control lever (92) and be used for contradicting driving lever (94) of baffle (85) outer wall, and the diapire of recess (91) is provided with the intercommunication inside just being used for supplying sliding hole (95) that driving lever (94) were worn to establish.

5. An inflatable cabinet as claimed in claim 1, wherein: hooks (61) are arranged at two ends of the pull rope (6), and lock rings (62) for hooking the hooks (61) are arranged on the upper rack (51).

6. An inflatable cabinet as claimed in claim 5, wherein: the hook (61) comprises a hook body (63), a pipe body (64) is arranged on the hook body (63), and a rod body (65) for fixing the pull rope (6) is in threaded connection with the inner wall of the pipe body (64).