Emergency starting device for fire extinguishing system and fire extinguisher box

Abstract

The application relates to the technical field of fire extinguishing technology, and particularly discloses an emergency starting device of a fire extinguishing system and a fire extinguisher box. The emergency starting device comprises an electromagnetic valve installed on the front side of a fire extinguishing agent bottle and a starting device used for manually opening the electromagnetic valve. The starting device comprises a push rod, a pulley set, a brake wire and a driving assembly. One end of the brake wire is connected with the top of the electromagnetic valve, and the other end is sequentially wound along the front side of a first pulley, the rear side of a second pulley and the left side of a third pulley and connected with the driving assembly. The driving assembly comprises a mounting frame, a hand crank, a pull rod and a first elastic piece. The hand crank is rotated to drive the pull rod to reciprocate. The starting device is used for opening the safety pin and driving the push rod to pierce the diaphragm of the electromagnetic valve at the same time. The first elastic piece drives the hand crank to reversely rotate so that the push rod is away from the electromagnetic valve. When the hand crank is reversely rotated, the safety pin is inserted into the push rod, and the fire extinguishing device can be started again. The starting device is simple in operation, can be automatically reset and improves the fire extinguishing efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of fire extinguishing technology, and particularly relates to an emergency starting device of a fire extinguishing system and a fire extinguisher box. BACKGROUND

[0002] The existing fire tube extinguishing device controller includes manual and automatic control modes. The automatic control is difficult to apply in the case of power failure, and the manual control is to release the extinguishing agent through mechanical transmission in an emergency, which can be applied in the case of no power supply or power failure. However, the existing manual control valve product still has room for improvement in terms of sealing, safety and the like.

[0003] The existing gas fire extinguishing system starting mode is divided into automatic starting, manual electric starting and manual control. The manual control is a mode of manual direct starting in the case of failure of automatic and manual electric starting. When fire extinguishing is needed, the door of the fire extinguishing cabinet is opened, and then the diaphragm of the electromagnetic valve of the gas fire extinguishing cylinder is pierced to start the fire extinguishing system.

[0004] Although the existing manual starting fire extinguishing system can be started in an emergency, the operation mode is complicated and laborious, the cabinet door is easy to be stuck, the failure efficiency is high, the limitation is large, and the fire extinguishing efficiency is reduced. SUMMARY

[0005] In order to overcome the shortcomings of the prior art, the present application provides an emergency starting device of a fire extinguishing system and a fire extinguisher box, which improves the fire extinguishing efficiency.

[0006] An emergency starting device of a fire extinguishing system comprises a rack and a plurality of fire extinguishing agent bottles arranged on the rack, an electromagnetic valve arranged on the front side of the fire extinguishing agent bottle, and a starting device for manually opening the electromagnetic valve. The starting device comprises a push rod, a pulley block, a brake wire and a driving assembly. The pulley block comprises a first pulley, a second pulley and a third pulley arranged in sequence in the vertical direction. The push rod is arranged in the width direction of the rack. One end of the push rod is connected to the front side of the electromagnetic valve. The other end of the brake wire is connected to the first pulley. The second pulley is arranged on the fire extinguishing agent bottle. The center shafts of the first pulley and the second pulley are arranged in the length direction of the rack. The third pulley is arranged on the rack. The center shaft of the third pulley is arranged in the width direction of the rack. One end of the brake wire is connected to the top of the electromagnetic valve, and the other end is wound along the front side of the first pulley, the rear side of the second pulley and the left side of the third pulley in sequence and connected to the driving assembly.

[0007] The driving assembly is arranged on the outer wall of the right side of the frame, and comprises a mounting frame, a hand lever, a pull rod and a first elastic member.

[0008] Optionally, the first elastic member is provided in two groups, and the two groups of first elastic members are sequentially sleeved on the two ends of the pull rod along the length direction of the pull rod.

[0009] Optionally, the starting device is provided with a safety assembly, the safety assembly comprises a safety pin and a safety lever, one end of the safety pin away from the driving assembly penetrates the push rod along the length direction of the frame, the other end of the safety pin is connected with the safety lever, and the end of the safety lever away from the safety pin is connected with the hand lever.

[0010] Optionally, a fourth pulley is arranged between the third pulley and the pull rod, the fourth pulley is arranged on the inner wall of the frame near the driving assembly, the central axis of the fourth pulley is arranged along the width direction of the frame, the brake wire is wound along the two sides away from each other of the third pulley and the fourth pulley, and one end of the brake wire is connected with one end of the pull rod.

[0011] Optionally, the driving assembly is provided in multiple groups, and the multiple groups of driving assemblies correspond to the fire extinguishing agent bottles one by one.

[0012] Optionally, a through hole is formed in the push rod along the length direction of the frame, and the through hole is arranged at one end of the push rod close to the first pulley.

[0013] Optionally, the through hole is rectangular, and the safety pin is matched with the through hole.

[0014] Yet another aspect of the present application provides a fire extinguisher box, comprising a box body arranged outside a rack, a mounting hole is formed in the right side of the box body, a mounting box is arranged on the inner wall of the right side of the box body, the mounting box is arranged at the mounting hole, one end of the pull rod penetrates the box body along the length direction of the box body and is arranged in the mounting box, and a plurality of hand levers are arranged in the mounting box and are uniformly spaced along the width direction of the rack.

[0015] Optionally, a limiting assembly is arranged on the hand lever, the limiting assembly comprises a limiting rod and a second elastic member, the limiting rod is vertically arranged between the top of the hand lever and the mounting box, one end of the limiting rod is sleeved on the hand lever, the other end of the limiting rod extends into the mounting box, and the second elastic member is arranged between one end of the limiting rod and the hand lever, and the second elastic member is arranged in a free state.

[0016] Optionally, a limiting assembly is arranged on the rack, the limiting assembly comprises a sliding rod and a limiting telescopic member, the limiting telescopic member is arranged on the front side of the box body, one end of the sliding rod is connected with the limiting telescopic member, the other end of the sliding rod penetrates the front side of the box body, the mounting box and the hand lever along the width direction of the box body in sequence, a second sliding hole is formed in the hand lever for the sliding of the sliding rod, and the limiting telescopic member drives the sliding rod to reciprocate along the width direction of the box body.

[0017] The present application has the beneficial effect that the starting device opens the safety pin and drives the push rod to pierce the diaphragm of the electromagnetic valve at the same time, the first elastic member drives the hand lever to rotate reversely so that the push rod is away from the electromagnetic valve, the hand lever is continuously released from the fire extinguishing agent bottle, the safety pin is inserted into the push rod when the hand lever is reversed, the fire extinguishing device is started again, the starting device is simple to operate and can be automatically reset, and the fire extinguishing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of embodiment 1 of the present application.

[0019] Figure 2 It is an enlarged schematic diagram of part A in the middle. Figure 1

[0020] Figure 3 It is a schematic diagram of the structure of the pulley block of the present application.

[0021] Figure 4 It is a sectional view of the initial state of the drive assembly of embodiment 1 of the present application.

[0022] Figure 5 It is a schematic diagram of the structure of the drive assembly of embodiment 1 of the present application when the diaphragm of the electromagnetic valve is pierced.

[0023] Figure 6 ​It is a whole structure schematic view of the embodiment 2 of the present application.

[0024] Figure 7 It is a cross-sectional view of the initial state of the driving assembly of the embodiment 2 of the present application.

[0025] Figure 8 It is a structure schematic view of the driving assembly when the diaphragm of the electromagnetic valve is punctured.

[0026] The corresponding relationship between the numbers and names in the figure is as follows: 11, frame; 12, fire extinguishing agent bottle; 13, limiting telescopic part; 2, electromagnetic valve; 3, starting device; 31, push rod; 321, first pulley; 322, second pulley; 323, third pulley; 324, fourth pulley; 33, brake cable; 341, mounting bracket; 3411, hinged shaft; 342, hand puller; 343, pull rod; 344, first elastic part; 345, sliding cylinder; 346, sliding shaft; 347, blocking ring; 348, first blocking block; 349, second blocking block; 35, wire protection plate; 41, safety pin; 42, safety lever; 5, box body; 51, mounting box; 511, right blocking plate; 512, inner blocking plate; 52, protection door; 6, limiting rod; 7, second elastic part; 8, sliding rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0028] Embodiment 1

[0029] Referring to Figures 1-5 A fire extinguishing system emergency starting device, comprising a frame 11 and a plurality of fire extinguishing agent bottles 12 arranged on the frame 11, further comprising an electromagnetic valve 2 mounted on the front side of the fire extinguishing agent bottle 12 and a starting device 3 for manually opening the electromagnetic valve 2; referring to Figures 1-3The starting device 3 comprises a push rod 31, a pulley block, a brake cable 33 and a driving assembly. The pulley block comprises a first pulley 321, a second pulley 322 and a third pulley 323 arranged in sequence in the vertical direction. The push rod 31 is arranged in the width direction of the rack 11. One end of the push rod 31 is inserted into the front side of the electromagnetic valve 2 and abuts against the diaphragm of the electromagnetic valve 2. The other end of the push rod 31 is fixedly connected with the connecting frame at both ends of the central shaft of the first pulley 321. The second pulley 322 is arranged on the fire extinguishing agent bottle 12. The central shafts of the first pulley 321 and the second pulley 322 are arranged in the length direction of the rack 11. The third pulley 323 is arranged on the rack 11. The central shaft of the third pulley 323 is arranged in the width direction of the rack 11. One end of the brake cable 33 is fixedly connected with the top of the electromagnetic valve 2. The other end of the brake cable 33 is wound in sequence along the front side of the first pulley 321, the rear side of the second pulley 322 and the left side of the third pulley 323 and is connected with the driving assembly.

[0030] With reference to Figures 2-4 The fourth pulley 324 is arranged on the inner wall of the rack 11 close to the driving assembly. The central shaft of the fourth pulley 324 is arranged in the width direction of the rack 11. Both ends of the central shaft of the second pulley 322 are rotatably connected with the top side of the fire extinguishing agent bottle 12 through the connecting frame. Both ends of the central shafts of the third pulley 323 and the fourth pulley 324 are rotatably connected with the rack 11 through the connecting frame. The connecting frames of the second pulley 322, the third pulley 323 and the fourth pulley 324 are detachably connected with the rack 11 and the fire extinguishing agent bottle 12 through the locking bolts. The first pulley 321, the second pulley 322, the third pulley 323 and the fourth pulley 324 are fixedly installed with the wire protection plate 35 close to the outer periphery of the brake cable 33. Both sides of the wire protection plate 35 are fixedly connected with the connecting frame. The brake cable 33 is wound along the two sides of the third pulley 323 and the fourth pulley 324 away from each other. One end of the brake cable 33 is connected with one end of the pull rod 343. In this embodiment, the brake cable 33 is selected to be a steel wire rope. When the hand puller 342 is reversely rotated, the steel wire rope rebounds and pulls the first pulley 321 to move away from the electromagnetic valve 2 through the wire protection plate 35, so as to facilitate the resetting of the starting device 3.

[0031] The starting device 3 is provided with a safety assembly, the safety assembly comprises a safety pin 41 and a safety lever 42, a through hole is formed in the push rod 31 along the length direction of the rack 11, the through hole is formed at one end of the push rod 31 close to the first pulley 321, the through hole is rectangular, the safety pin 41 is matched with the through hole, one end of the safety pin 41 away from the driving assembly passes through the through hole along the length direction of the rack 11, the other end of the safety pin 41 is connected with the safety lever 42, one end of the safety lever 42 away from the safety pin 41 is fixedly connected with the top end of the hand crank 342, the hand crank 342 is rotated, the safety lever 42 drives the safety pin 41 to exit the through hole, the push rod 31 pierces the electromagnetic valve 2, the hand crank 342 is reversely rotated, the safety lever 42 drives the safety pin 41 to insert into the through hole, and the starting device 3 is reset.

[0032] With reference to Figures 3-5 The driving assembly is arranged on the outer wall of the right side of the rack 11, the driving assembly comprises a mounting frame 341, a hand crank 342, a pull rod 343 and a first elastic member 344, the mounting frame 341 is arranged on the rack 11, a hinge shaft 3411 is arranged between the bottom of the hand crank 342 and the mounting frame 341, both ends of the hinge shaft 3411 extend along the rack 11 and are fixedly connected with the mounting frame 341, the hinge shaft 3411 penetrates the bottom of the hand crank 342, and the hand crank 342 is rotationally connected with the mounting frame 341 through the hinge shaft 3411; the pull rod 343 penetrates the hand crank 342 and the rack 11 along the length direction of the rack 11 in sequence and is connected with one end of the brake wire 33, a sliding cylinder 345 is arranged on the outer periphery of the pull rod 343, the pull rod 343 is slidably connected with the sliding cylinder 345, the sliding cylinder 345 is slidably connected with the rack 11, the first elastic member 344 is arranged on the outer periphery of the pull rod 343, both ends of the first elastic member 344 are connected with one end of the sliding cylinder 345 and the rack 11 respectively, a sliding shaft 346 is arranged on the pull rod 343, the sliding shaft 346 penetrates the hand crank 342 and the pull rod 343 along the width direction of the rack 11 and is fixedly connected with the pull rod 343, a first sliding hole is formed in the hand crank 342 and used for sliding of the sliding shaft 346 along the length direction of the hand crank 342, and the hand crank 342 drives the pull rod 343 to reciprocate by being rotated.

[0033] In the embodiment, the driving assembly is provided with multiple groups, the multiple groups of driving assemblies correspond to the fire extinguishing agent bottles 12 one by one, the multiple hand levers 342 are uniformly and spaced apart arranged along the width direction of the rack 11, the first elastic members 344 are provided with two groups, the two groups of first elastic members 344 are sequentially sleeved at two ends of the pull rod 343 along the length direction of the pull rod 343, the two ends of the two first elastic members 344 away from each other are respectively connected with two ends of the rack 11, the two ends of the two first elastic members 344 close to each other are respectively connected with the sliding cylinders 345 sleeved on the pull rod 343, the inner wall of the sliding cylinder 345 abuts against the outer periphery of the pull rod 343, the two sliding cylinders 345 are provided with the blocking ring 347 between the two sliding cylinders 345, the two ends of the two sliding cylinders 345 close to each other abut against the left and right sides of the blocking ring 347, the first blocking block 348 is fixedly connected to the middle part of the pull rod 343, the outer periphery of the first blocking block 348 abuts against the inner wall of the blocking ring 347, the left and right ends of the first blocking block 348 abut against the two sliding cylinders 345, the second blocking block 349 is fixedly connected to the outer periphery of the two ends of the two sliding cylinders 345 close to each other, the two second blocking blocks 349 abut against the left and right sides of the blocking ring 347 close to each other, the outer periphery of the second blocking block 349 is slidingly connected with the box body 51, and the two ends of the two first elastic members 344 close to each other are fixedly connected with the two second blocking blocks 349.

[0034] With reference to Figures 3-5 The fire extinguisher box of the emergency starting device of the fire extinguishing system comprises the box body 5 arranged outside the rack 11, the mounting hole is arranged on the right side of the box body 5, the mounting box 51 is arranged on the right side of the box body 5, the mounting box 51 is detachably connected with the outer periphery of the mounting hole through the locking bolt, one end of the pull rod 343 penetrates the right baffle 511 and the inner baffle 512 of the mounting box 51 from right to left, the right baffle 511 and the inner baffle 512 are fixedly connected with the mounting box 51, and the protective door 52 is hingedly arranged on the right side of the mounting hole.

[0035] The hand lever 342 is arranged in the mounting hole, the two ends of the hinged shaft 3411 penetrate the mounting frame 341 and the hand lever 342 along the front and back directions and are fixedly connected with the hole wall of the mounting hole, the hinged shaft 3411 is fixedly connected with the mounting frame 341, and the hinged shaft 3411 is rotationally connected with the hand lever 342; one end of the safety lever 42 penetrates the mounting box 51 and is fixedly connected with the outer periphery of the hand lever 342, the two ends of the two first elastic members 344 away from each other are fixedly connected with the inner baffle 512 and the right baffle 511 respectively, the blocking ring 347 is fixedly connected with the inner walls of the upper and lower sides of the mounting box 51, the fourth pulley 324 is arranged on the bottom of the inner wall of the box body 5 close to the mounting box 51, and the brake wire 33 penetrates the bottom of the mounting box 51 and is fixedly connected with the left end of the pull rod 343.

[0036] The rack 11 is further provided with a limiting assembly, which comprises a limiting rod 6 and a second elastic member 7. The limiting rod 6 is arranged between the top of the hand crank 342 and the mounting box 51. The bottom end of the limiting rod 6 is sleeved on the outer periphery of the hand crank 342, and the top end of the limiting rod 6 is inserted into the mounting box 51. The second elastic member 7 is arranged between the bottom side of the limiting rod 6 and the hand crank 342. The second elastic member 7 is sleeved on the outer periphery of the hand crank 342. The two ends of the second elastic member 7 are fixedly connected with the limiting rod 6 and the hand crank 342, respectively. In the initial state, the second elastic member 7 is arranged in a free state. The limiting rod 6 is inserted into the top of the mounting box 51, and the hand crank 342 is locked. The second elastic member 7 is compressed to make the top end of the limiting rod 6 away from the top of the mounting box 51, and the hand crank 342 is unlocked. The hand crank 342 is rotated towards the direction away from the box 51. The first block 348 drives the sliding cylinder 345 to slide. The second block 349 cooperates with the right baffle 511 to compress the first elastic member 344. The hand crank 342 is released. The first elastic member 344 is elongated and drives the hand crank 342 to reset. The hand crank 342 is rotated towards the direction close to the box 51. The first block 348 drives the sliding cylinder 345 to slide. The second block 349 cooperates with the inner baffle 512 to compress the first elastic member 344. The pull rod 343 pulls the brake wire 33, so as to facilitate the reset of the starting device 3.

[0037] Embodiment 2:

[0038] The difference between this embodiment and embodiment 1 is that the structure of the limiting assembly is different. Referring to Figures 6-8 , the limiting assembly comprises a sliding rod 8 and a limiting telescopic member 13. The fixed end of the limiting telescopic member 13 is detachably connected with the front side of the box 5 through a locking bolt. One end of the sliding rod 8 is fixedly connected with the driving end of the limiting telescopic member 13. The other end of the sliding rod 8 penetrates the front side of the box 5, the mounting box 51 and the plurality of hand cranks 342 along the width direction of the box 5 and is inserted into the box 5. A second sliding hole is formed in each hand crank 342 for the sliding rod 8 to slide. The limiting telescopic member 13 drives the sliding rod 8 to reciprocate along the width direction of the box 5. In this embodiment, the limiting telescopic member 13 is a stepping motor. The stepping motor drives the sliding rod 8 to reciprocate in the plurality of hand cranks 342. The stepping motor inputs one pulse signal, and the sliding rod 8 slides out of the second sliding hole of one of the hand cranks 342, which is convenient for the user to start the fire extinguishing device.

[0039] Finally, it should be noted that the above only describes the preferred examples of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications can be made to the technical solutions described in the foregoing embodiments, or some of the technical features thereof can be replaced equivalently, without departing from the spirit and principle of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An emergency starting device for a fire extinguishing system comprising a frame (11) and a plurality of fire extinguishing agent bottles (12) arranged on the frame (11), characterized in that, The electromagnetic valve (2) is installed on the front side of the fire extinguishing agent bottle (12), and a starting device (3) for manually opening the electromagnetic valve (2) is further included, the starting device (3) comprises a push rod (31), a pulley block, a brake wire (33) and a driving assembly, the pulley block comprises a first pulley (321), a second pulley (322) and a third pulley (323) arranged in sequence in the vertical direction, the push rod (31) is arranged in the width direction of the rack (11), one end of the push rod (31) is connected with the front side of the electromagnetic valve (2), and the other end is connected with the first pulley (321); the second pulley (322) is arranged on the fire extinguishing agent bottle (12), the center shafts of the first pulley (321) and the second pulley (322) are arranged in the length direction of the rack (11), the third pulley (323) is arranged on the rack (11), the center shaft of the third pulley (323) is arranged in the width direction of the rack (11), one end of the brake wire (33) is connected with the top of the electromagnetic valve (2), and the other end of the brake wire (33) is wound in sequence along the front side of the first pulley (321), the rear side of the second pulley (322) and the left side of the third pulley (323) and connected with the driving assembly; The driving assembly is arranged on the outer wall of the right side of the rack (11), and the driving assembly comprises a mounting bracket (341), a hand pull wrench (342), a pull rod (343) and a first elastic member (344), the mounting bracket (341) is arranged on the rack (11), the hand pull wrench (342) is hinged to the mounting bracket (341), a hinge shaft (3411) is arranged between the bottom of the hand pull wrench (342) and the mounting bracket (341), the hinge shaft (3411) is arranged in the width direction of the rack (11), the pull rod (343) penetrates the hand pull wrench (342) and the rack (11) in sequence in the length direction of the rack (11) and is connected with one end of the brake wire (33), a sliding cylinder (345) is arranged on the outer periphery of the pull rod (343), the sliding cylinder (345) is slidingly connected with the rack (11), the first elastic member (344) is arranged on the outer periphery of the pull rod (343), and two ends of the first elastic member (344) are connected with one end of the sliding cylinder (345) and the rack (11) respectively, a sliding shaft (346) is arranged on the pull rod (343), the sliding shaft (346) penetrates the hand pull wrench (342) and the pull rod (343) in the width direction of the rack (11) and is fixedly connected with the pull rod (343), a first sliding hole is formed in the hand pull wrench (342) and used for sliding of the sliding shaft (346) in the length direction of the hand pull wrench (342), and rotating the hand pull wrench (342) drives the pull rod (343) to reciprocate. The first elastic member (344) is provided with two, two first elastic members (344) are sequentially sleeved on both ends of the pull rod (343) along the length direction of the pull rod (343), and the two ends of the two first elastic members (344) away from each other are connected with the two ends of the rack (11) respectively, the two ends of the two first elastic members (344) close to each other are connected with the slide cylinder (345) sleeved on the pull rod (343) respectively, the inner wall of the slide cylinder (345) abuts against the outer periphery of the pull rod (343), the two slide cylinders (345) are provided with a blocking ring (347) between them, the outer periphery of the blocking ring (347) is connected with the rack (11), the two ends of the two slide cylinders (345) close to each other abut against the two sides of the blocking ring (347) away from each other, and the middle part of the pull rod (343) is fixedly connected with a first stop block (348), the outer periphery of the first stop block (348) abuts against the inner wall of the blocking ring (347), and the left and right ends of the first stop block (348) abut against the two slide cylinders (345) respectively.

2. An emergency activation device for a fire suppression system according to claim 1, wherein, The starting device (3) is provided with a safety assembly, the safety assembly comprises a safety pin (41) and a safety lever (42), one end of the safety pin (41) away from the driving assembly penetrates the push rod (31) along the length direction of the rack (11), the other end of the safety pin (41) is connected with the safety lever (42), and one end of the safety lever (42) away from the safety pin (41) is connected with the hand pull wrench (342).

3. An emergency activation device for a fire suppression system according to claim 1, wherein, The third pulley (323) and the pull rod (343) are provided with a fourth pulley (324), the fourth pulley (324) is arranged on the inner wall of the rack (11) close to one side of the driving assembly, the central axis of the fourth pulley (324) is arranged along the width direction of the rack (11), the brake wire (33) is wound along the two sides of the third pulley (323) and the fourth pulley (324) away from each other, and one end of the brake wire (33) is connected with one end of the pull rod (343).

4. A fire extinguishing system emergency activation device according to claim 1, wherein The driving assembly is provided with a plurality of groups, and the plurality of groups of the driving assembly correspond to the fire extinguishing agent bottle (12) one by one.

5. An emergency activation device for a fire suppression system according to claim 2, wherein, The push rod (31) is provided with a through hole along the length direction of the rack (11), and the through hole is arranged at one end of the push rod (31) close to the first pulley (321).

6. A fire extinguishing system emergency activation device according to claim 5, wherein, The through hole is rectangular, and the safety pin (41) is matched with the through hole.

7. An extinguisher cabinet employing the emergency activation device of any one of claims 1 to 6, characterised in that, The box (5) is arranged outside the rack (11), the mounting hole is arranged on the right side of the box (5), the mounting box (51) is arranged on the inner wall of the right side of the box (5), one end of the pull rod (343) penetrates the box (5) along the length direction of the box (5) and is arranged in the mounting box (51), and a plurality of hand pull wrenches (342) are uniformly and interval arranged in the mounting box (51) along the width direction of the rack (11).

8. A fire extinguisher cabinet according to claim 7, wherein The hand puller (342) is provided with a limiting assembly, the limiting assembly comprises a limiting rod (6) and a second elastic element (7), the limiting rod (6) is vertically arranged between the top of the hand puller (342) and the mounting box (51), one end of the limiting rod (6) is sleeved on the hand puller (342), the other end of the limiting rod (6) extends into the mounting box (51), the second elastic element (7) is arranged between the one end of the limiting rod (6) and the hand puller (342), and the second elastic element (7) is arranged in a free state.

9. A fire extinguisher cabinet according to claim 7, wherein The rack (11) is provided with a limiting assembly, the limiting assembly comprises a sliding rod (8) and a limiting telescopic element (13), the limiting telescopic element (13) is arranged on the front side of the box body (5), one end of the sliding rod (8) is connected with the limiting telescopic element (13), the other end of the sliding rod (8) penetrates the front side of the box body (5), the mounting box (51) and the hand puller (342) in turn along the width direction of the box body (5), the hand puller (342) is provided with a second sliding hole for the sliding of the sliding rod (8), and the limiting telescopic element (13) drives the sliding rod (8) to reciprocate along the width direction of the box body (5).

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