Fire extinguisher bottle interior cleaning device

Abstract

The application belongs to the technical field of fire extinguisher cleaning, in particular to a fire extinguisher bottle inner cleaning device, which comprises a round shell and a spray pipe for spraying water flow, and further comprises a cleaning assembly for cleaning the inner wall of the fire extinguisher bottle, the cleaning assembly comprises a No.1 ring slidingly installed on the round shell, a No.1 plate installed on the No.1 ring, a plurality of No.1 rods, No.2 rods and No.3 rods installed on the No.1 plate, the No.2 rods are rotationally connected with the No.1 rods, the No.3 rods are rotationally connected with the No.2 rods, a No.1 torsional spring and a No.2 torsional spring are respectively arranged at the connection positions of the No.1 rods, the No.2 rods and the No.3 rods, and the No.2 rods adopt a telescopic structure; compared with the configuration of the existing spray pipe, corrugated pipe and brush, the No.1 rods, the No.2 rods and the No.3 rods can adapt to fire extinguisher bottles with different sizes and shapes, ensure that there is no dead angle in cleaning, and improve the cleaning efficiency and effect.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of fire extinguisher cleaning, in particular to a fire extinguisher bottle inner cleaning device. BACKGROUND

[0002] Liquid fire extinguishers include water-based, foam and wet chemical fire extinguishers, etc. Due to factors such as long-term storage, fire extinguishing agent failure, bottle pressure drop and corrosion risk, it is necessary to periodically refill the fire extinguishing agent to ensure its effectiveness and safety. During the refilling process, a cleaning device is needed to thoroughly clean the inner wall of the fire extinguisher bottle to remove residues and corrosion marks.

[0003] A patent application with publication number CN219151062U discloses a fire extinguisher bottle inner cleaning device, which includes an adjustable spray pipe; further comprising: a corrugated pipe mounted on the adjustable spray pipe; a water supply unit mounted at one end of the corrugated pipe, the water supply unit including a base, and further including a metal mesh fixed to the base; a double outer joint mounted on the metal mesh; a spray pipe corrugated pipe mounted at one end of the double outer joint, and the other end is connected to the base corrugated pipe.

[0004] The cleaning device of the above-mentioned scheme includes a spray pipe, a corrugated pipe and a brush, the brush is arranged on the spray pipe, during cleaning, the spray pipe is inserted into the inside of the fire extinguisher bottle, the cleaning liquid is transported through the corrugated pipe, the spray pipe is controlled to rotate in the bottle, the brush contacts the inner wall to brush, and different parts of the fire extinguisher bottle are cleaned in all directions by adjusting the angle of the corrugated pipe. However, it is difficult to adjust the angle of the corrugated pipe in all aspects, it is difficult to accurately control, and the cleaning effect is not ideal.

[0005] Therefore, the present application provides a fire extinguisher bottle inner cleaning device. SUMMARY

[0006] In order to make up for the shortcomings of the prior art and solve at least one technical problem raised in the background art.

[0007] The technical scheme adopted by the present application to solve its technical problems is: the fire extinguisher bottle inner cleaning device of the present application, comprising a circular shell and a spray pipe for spraying water flow, further comprising: a No. 1 ring slidingly mounted on the circular shell, the spray pipe being located inside the No. 1 ring; a No. 1 plate mounted on the No. 1 ring; a plurality of No. 1 rods, No. 2 rods and No. 3 rods mounted on the No. 1 plate, the No. 2 rods being rotatably connected to the No. 1 rods, the No. 3 rods being rotatably connected to the No. 2 rods, and the connection portions of the No. 1 rods, the No. 2 rods and the No. 3 rods being respectively provided with a No. 1 torsional spring and a No. 2 torsional spring, the No. 1 rods, the No. 2 rods and the No. 3 rods unfolding to present an inverted V shape, the No. 3 rods contacting the inner wall of the fire extinguisher, the No. 2 rods adopting an extension type structure, and the No. 2 rods adopting an extension type structure.

[0008] Preferably, the device further comprises: a plurality of threaded grooves formed in the first plate; an air bag, a plurality of first threaded pipes being rotatably installed on the air bag, the first plate being hollow, the air bag being connected with the first plate through the first threaded pipes and the threaded grooves, the first rod, the second rod and the third rod being located outside the air bag; a second plate installed on the first ring, a first hole being formed in the second plate, a cavity being formed between the second plate and the first ring, the cavity being communicated with the first plate and the air bag; a third plate rotatably installed on the first ring, a second hole being formed in the third plate; a fourth plate rotatably installed on the first ring, a communicating pipe being installed between the fourth plate and the third plate, the fourth plate being communicated with the third plate through the communicating pipe.

[0009] Preferably, the device further comprises: a water outlet pipe installed inside the first ring, the spray pipe being located inside the water outlet pipe; a rubber skin installed on the air bag, a second threaded pipe being rotatably installed on the rubber skin, the second threaded pipe being threadedly connected with the water outlet pipe, the other end of the rubber skin being connected with the air bag.

[0010] Preferably, the device further comprises: a first chute formed in the first ring, the second plate being slidably connected with the first chute; a second chute formed in the first ring, one end of the second chute being communicated with the first chute, the third plate being rotatable on the second chute, the third plate being able to slide up and down on the second chute after being rotated to the connection between the second chute and the first chute; a first spring installed between the third plate and the fourth plate, the communicating pipe being of an extendable structure.

[0011] Preferably, the device further comprises: a connecting pipe, two third threaded pipes being rotatably installed on the connecting pipe, the connecting pipe being connected with the fourth plate and the spray pipe through the two third threaded pipes; a sliding block slidably installed on the water outlet pipe, the sliding block being provided with a mark; a second spring installed on the sliding block and the water outlet pipe.

[0012] Preferably, the device further comprises a fourth threaded pipe, the fourth threaded pipe being fixedly connected with the first rod, the first rod being fixedly connected with the first plate through the fourth threaded pipe.

[0013] Preferably, the device further comprises a first wiping cloth, one end of the first wiping cloth being fixedly installed with a connecting rope, the connecting rope being installed with a fifth threaded pipe, the connecting rope being connected with the first plate through the fifth threaded pipe and the threaded grooves.

[0014] Preferably, the connecting rope is made of stretchable material, the other end of the first cleaning cloth is provided with a metal ring, a sixth threaded pipe is rotatably arranged on the metal ring, and the sixth threaded pipe is threadedly connected with the water outlet pipe.

[0015] Preferably, the device further comprises a plurality of first buckles mounted on the air bag, and a second cleaning cloth for cleaning the inner wall of the fire extinguisher, wherein the second cleaning cloth is provided with a second buckle matched with the first buckle.

[0016] The present application has the following advantages:

[0017] 1. The fire extinguisher bottle inner cleaning device can adapt to fire extinguishers of different sizes and shapes, improve cleaning efficiency and effect, and ensure no dead angle, cleaner cleaning, and more efficient cleaning.

[0018] 2. The fire extinguisher bottle inner cleaning device can realize dynamic balance of air pressure in the air bag, ensure efficient cleaning in fire extinguishers of different cross-sectional sizes, and clean the fire extinguisher multiple times without inflation and deflation.

[0019] 3. The fire extinguisher bottle inner cleaning device can wipe off residual water in the fire extinguisher after cleaning, reduce water residue, improve the drying speed of the fire extinguisher, and improve the cleaning speed of the fire extinguisher.

[0020] 4. The fire extinguisher bottle inner cleaning device can be disassembled from the first plate, leaving only the air bag, and can be installed with different lengths of rods according to the size of the fire extinguisher interior space, or can be installed according to the cleaning needs of the fire extinguisher, such as regular cleaning or inner wall with plating. BRIEF DESCRIPTION OF DRAWINGS

[0021] The application will be further described in connection with the drawings.

[0022] Figure 1 is a perspective view of the first embodiment of the application;

[0023] Figure 2 is a sectional view of the round shell of the application;

[0024] Figure 3 is a schematic view of the internal structure of the round shell of the application;

[0025] Figure 4 is a schematic view of the unfolding of the second and third rods of the application;

[0026] Figure 5 is a schematic view of the structure of the first rod of the application;

[0027] Figure 6 is a schematic view of the shape of the air bag after inflation;

[0028] Figure 7 is Figure 2 is a partial enlarged view of A in FIG. 1;

[0029] Figure 8 is a schematic view of the structure of the first plate of the application;

[0030] Figure 9 is a schematic view of the structure of the connecting pipe of the application;

[0031] Figure 10 is a sectional view of the first ring of the application;

[0032] Figure 11 is a sectional view of the first wiping cloth after being assembled to the first plate of the application;

[0033] Figure 12 is a schematic view of the structure of the fifth threaded pipe of the application.

[0034] In the drawings: 1, round shell; 2, spray pipe; 3, first ring; 4, first plate; 5, first rod; 6, second rod; 7, third rod; 8, first torsion spring; 9, second torsion spring; 10, threaded groove; 11, air bag; 12, first threaded pipe; 13, second plate; 14, first hole; 15, cavity; 16, third plate; 17, second hole; 18, fourth plate; 19, communicating pipe; 20, water outlet pipe; 21, rubber skin; 22, second threaded pipe; 23, first sliding groove; 24, second sliding groove; 25, first spring; 26, connecting pipe; 27, third threaded pipe; 28, sliding block; 29, second spring; 30, fourth threaded pipe; 31, first wiping cloth; 32, connecting rope; 33, fifth threaded pipe; 34, metal ring; 35, sixth threaded pipe; 36, first buckle; 37, second wiping cloth; 38, second buckle. DETAILED DESCRIPTION

[0035] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0036] like Figures 1-12 As shown, the cleaning device inside the fire extinguisher bottle of this embodiment includes a circular shell 1 and a spray pipe 2 for spraying water. It also includes: a first ring 3 slidably installed inside the circular shell 1, with the spray pipe 2 located inside the first ring 3; a first plate 4 installed on the first ring 3; and several first rods 5, second rods 6, and third rods 7 installed on the first plate 4. The second rod 6 is rotatably connected to the first rod 5, and the third rod 7 is rotatably connected to the second rod 6. The connection points of the first rod 5, the second rod 6, and the third rod 7 are respectively provided with a first torsion spring 8 and a second torsion spring 9. When the first rod 5, the second rod 6, and the third rod 7 are unfolded, they form an inverted U-shape. The third rod 7 is in contact with the inner wall of the fire extinguisher. The second rod 6 adopts a telescopic structure.

[0037] Specifically, the existing cleaning device includes a nozzle 2, a corrugated pipe, and a brush. The brush is mounted on the nozzle 2. During cleaning, the nozzle 2 is inserted into the fire extinguisher bottle, and the cleaning fluid is delivered through the corrugated pipe. The nozzle 2 is controlled to rotate inside the bottle, and the brush contacts the inner wall to scrub. Different parts of the fire extinguisher bottle can be cleaned from all angles by adjusting the angle of the corrugated pipe. However, it is difficult to adjust the angle of the corrugated pipe in all aspects, making it difficult to control precisely and resulting in unsatisfactory cleaning effect.

[0038] Initially, rods 5, 6, and 7 are all located inside the circular shell 1, and torsion springs 8 and 9 are in a torsional state. When operation is required, sliding ring 3 causes rods 5, 6, and 7 to unfold sequentially under the elastic force of torsion springs 8 and 9. Figure 4As shown, according to the material of the fire extinguisher bottle, etc., different materials of cleaning cloth, sponge or brush, etc. are sleeved on the second rod 6 and the third rod 7, so as to adapt to the cleaning needs of different inner wall materials. Then, the first ring 3 is slid, the first rod 5, the second rod 6 and the third rod 7 are sequentially withdrawn into the inside of the circular shell 1, the valve and the siphon of the fire extinguisher are taken off, then the fire extinguisher is inverted on the hollow shelf which can expose the bottle opening, the circular shell 1 is inserted into the inside of the fire extinguisher, then the first ring 3 is slid upward, so that the first rod 5, the second rod 6 and the third rod 7 are unfolded under the action of the first torsional spring 8 and the second torsional spring 9. At this time, the third rod 7 is in contact with the sidewall of the fire extinguisher bottle, the second rod 6 is in contact with the bottom of the fire extinguisher, then the spray pipe 2 is slid out of the inside of the circular shell 1, the spray pipe 2 is connected with the water supply system, the spray pipe 2 is started, water flow is sprayed into the fire extinguisher bottle, then the circular shell 1 is rotated, the second rod 6 and the third rod 7 are rotated, the circular shell 1 is moved up and down at the same time, the second rod 6 and the third rod 7 are moved, so that the bottle inner wall is wiped and cleaned by the third rod 7, the bottle bottom is wiped and cleaned by the second rod 6. In the process of cleaning, the second rod 6 is telescopic to adapt to the cleaning needs of different parts. For the bottle opening, the second rod 6 is completely collected into the circular shell 1, the third rod 7 is in an unfolded or partially unfolded state, then the circular shell 1 is rotated, the bottle opening is wiped and cleaned by the end of the third rod 7. After wiping, the first ring 3 is slid, the third rod 7, the second rod 6 and the first rod 5 are completely collected into the circular shell 1, so as to reset each part, facilitate storage and next use, that is, the fire extinguisher bottle inner wall is cleaned in all directions and efficiently. By arranging the first rod 5, the second rod 6 and the third rod 7, different sizes and shapes of fire extinguisher bottles can be adapted, so as to ensure that there is no dead angle in cleaning, and the cleaning efficiency and effect are improved.

[0039] As shown in Figure 3 , Figure 7 , Figure 8 and Figure 10 , the device further comprises: a plurality of threaded grooves 10 formed on the first plate 4; an air bag 11, a plurality of first threaded pipes 12 are rotatably installed on the air bag 11, the first plate 4 adopts a hollow structure, the air bag 11 is connected with the first plate 4 through the first threaded pipe 12 and the threaded groove 10, the first rod 5, the second rod 6 and the third rod 7 are all located outside the air bag 11; a second plate 13 is installed in the first ring 3, a first hole 14 is formed on the second plate 13, a cavity 15 is formed between the second plate 13 and the inner cavity of the first ring 3, the cavity 15 is communicated with the first plate 4 and the air bag 11; a third plate 16 is rotatably installed on the first ring 3, a second hole 17 is formed on the third plate 16; a fourth plate 18 is rotatably installed on the first ring 3, a communication pipe 19 is installed between the fourth plate 18 and the third plate 16, the fourth plate 18 is communicated with the third plate 16 through the communication pipe 19.

[0040] Specifically, in the initial state, the second hole 17 of the third plate 16 is aligned with the first hole 14 of the second plate 13, before work, the fourth plate 18 is connected with the air pump, the air bag 11 is provided with a rope, the air bag 11 is connected with the first rod 5, the second rod 6 and the third rod 7 through the rope, the rope provided on the air bag 11 is used to keep the first rod 5, the second rod 6 and the third rod 7 in the same direction with the air bag 11 before work, to ensure that the first rod 5, the second rod 6 and the third rod 7 are completely collected in the circular shell 1 and are not easy to shake. When working, the circular shell 1 is inserted into the inside of the fire extinguisher bottle, then the first ring 3 is slid to make the first rod 5, the second rod 6 and the third rod 7 unfold, after unfolding, the air pump is controlled to fill air into the fourth plate 18, the gas enters the third plate 16 through the communication pipe 19, enters the cavity 15 through the second hole 17 and the first hole 14, then enters the air bag 11 through the first plate 4, the air bag 11 is filled with air, the air bag 11 expands and unfolds to tightly adhere to the inside of the fire extinguisher bottle, the first rod 5, the second rod 6 and the third rod 7 serving as the skeleton of the air bag 11 do not contact the inner wall of the fire extinguisher bottle, after the air bag 11 is filled with air, the circular shell 1 is controlled to rotate to drive the first rod 5, the second rod 6, the third rod 7 and the air bag 11 to rotate synchronously, the air bag 11 rotates to clean the bottom of the fire extinguisher bottle, then the circular shell 1 is controlled to slide downward at the same time to wipe the side wall of the fire extinguisher, that is, the cleaning action is realized; through the design of the air bag 11, the air bag 11 can fully contact the inside of the fire extinguisher, to ensure that there is no sanitary dead angle and the cleaning is cleaner, and compared with the third rod 7, the contact surface of the air bag 11 with the inner wall of the fire extinguisher is larger, so the number of rotations is smaller and the cleaning is more efficient.

[0041] As shown in Figure 3 , Figure 4 and Figure 7 , the device further comprises: a water outlet pipe 20 installed in the inside of the first ring 3, the spray pipe 2 is located in the inside of the water outlet pipe 20; a rubber skin 21 installed on the air bag 11, the rubber skin 21 is rotatably provided with a second threaded pipe 22, the second threaded pipe 22 is threadedly connected with the water outlet pipe 20, the other end of the rubber skin 21 is connected with the air bag 11.

[0042] Specifically, before work, one end of the rubber skin 21 is connected with the water outlet pipe 20 through the second threaded pipe 22, when working, after the air bag 11 is filled with air, the air bag 11 tightly adheres to the inner wall of the fire extinguisher to divide the space in the fire extinguisher into two parts, when the air bag 11 wipes the inner wall of the fire extinguisher, the sewage generated is flowed into the water outlet pipe 20 through the rubber skin 21 and is discharged from the water outlet pipe 20, to avoid the sewage generated in the cleaning of the bottom of the bottle from flowing to the position not cleaned to cause secondary pollution, to realize effective isolation of the sewage in the cleaning process and ensure the cleaning effect and efficiency.

[0043] As shown in Figure 7 , Figure 8 and Figure 10As shown, the device further comprises: a first chute 23 formed in the first ring 3, the second plate 13 being in sliding connection with the first chute 23; a second chute 24 formed in the first ring 3, one end of the second chute 24 being in communication with the first chute 23, the third plate 16 being rotatable on the second chute 24, the third plate 16 being able to slide up and down on the first chute 23 after being rotated to the connection between the second chute 24 and the first chute 23; a first spring 25 installed between the third plate 16 and the fourth plate 18, and the communication pipe 19 adopting a telescopic structure.

[0044] Specifically, before work, the third plate 16 is controlled to rotate so that the second hole 17 on the third plate 16 is aligned with the first hole 14 on the second plate 13, at this time the third plate 16 cannot slide in the first chute 23, when the air bag 11 is full of gas, the fourth plate 18 is controlled to rotate to drive the third plate 16 to rotate synchronously, the third plate 16 is rotated to the connection between the first chute 23 and the second chute 24, at this time the first hole 14 and the second hole 17 are misaligned, and the gas cannot leak, when the air bag 11 moves to a place where the space of the fire extinguisher is small, the air pressure in the air bag 11 increases, therefore the second plate 13 and the third plate 16 slide in the first chute 23 under the action of the pressure, so that the volume of the cavity 15 increases to balance the internal pressure of the air bag 11, avoiding the air bag 11 from being broken under pressure, at this time the first spring 25 is compressed, when the air bag 11 moves to a place where the space is large, the internal pressure decreases, the second plate 13 and the third plate 16 are reset under the action of the first spring 25, the volume of the cavity 15 decreases, maintaining the stability of the air bag 11 to clean the fire extinguisher from the bottom again; through the adjusting mechanism, dynamic balance of the internal pressure of the air bag 11 is realized, ensuring efficient cleaning in the fire extinguishers of different space sizes, and the fire extinguisher can be cleaned multiple times without inflation and deflation, which is convenient to use.

[0045] As shown in the figure, Figure 9 The device further comprises: a connecting pipe 26, two third threaded pipes 27 being rotatably installed on the connecting pipe 26, the connecting pipe 26 being connected to the fourth plate 18 and the spray pipe 2 through the two third threaded pipes 27; a sliding block 28 being slidingly installed on the water outlet pipe 20, the sliding block 28 being provided with a mark; and a second spring 29 being installed on the sliding block 28 and the water outlet pipe 20.

[0046] Specifically, before inflation, the connecting pipe 26 is connected with the fourth plate 18 and the spray pipe 2 by rotating the third threaded pipe 27, then the connecting pipe 26 is connected with the inflation pump, the outlet of the water outlet pipe 20 is blocked, when inflation, the inflation pump is started, the gas enters the fourth plate 18 and the spray pipe 2 through the connecting pipe 26, the gas entering the fourth plate 18 can inflate the air bag 11, at the same time, the gas entering the spray pipe 2 is sprayed out through the spray pipe 2, if the air bag 11 is not inflated, the gas can be discharged from the nozzle of the fire extinguisher, if the air bag 11 is inflated and closely contacts with the inner wall of the fire extinguisher, the gas cannot be discharged, the gas pressure increases, and the water outlet pipe 20 is communicated with the air bag 11, so the sliding block 28 can slide out under the action of the gas pressure until the mark on the sliding block 28 appears, which indicates that the inflation is completed, and the inflation of the fire extinguisher can be stopped; through the gas pressure feedback mechanism, the inflation state of the air bag 11 is accurate, and over inflation or insufficient inflation is avoided.

[0047] As shown in Figure 3 and Figure 5 , the device further comprises a fourth threaded pipe 30, the fourth threaded pipe 30 is fixedly connected with the first rod 5, and the first rod 5 is fixedly connected with the first plate 4 through the fourth threaded pipe 30.

[0048] Specifically, by arranging the fourth threaded pipe 30, the first rod 5, the second rod 6 and the third rod 7 can be detached from the first plate 4, only the air bag 11 is retained, different lengths of rod members can be selected and installed according to the size of the internal space of the fire extinguisher, and the fire extinguisher can be installed according to the cleaning needs, such as conventional cleaning or only selecting the air bag 11 if the inner wall contains a plating layer, if heavy dirt needs torque transmission of the framework, the first rod 5, the second rod 6 and the third rod 7 can be installed to enhance the cleaning strength, and the modular design makes the device more practical.

[0049] As shown in Figure 11 and Figure 12 , the device further comprises a first wiping cloth 31, one end of the first wiping cloth 31 is fixedly installed with a connecting rope 32, the connecting rope 32 is installed with a fifth threaded pipe 33, and the connecting rope 32 is connected with the first plate 4 through the fifth threaded pipe 33 and the threaded groove 10.

[0050] Specifically, after cleaning, the first rod 5 can be detached by rotating the fourth threaded pipe 30, then the first wiping cloth 31 is installed on the first plate 4 through the fifth threaded pipe 33, the first wiping cloth 31 is sleeved on the outer layer of the air bag 11, then the round shell 1 is inserted into the fire extinguisher again, and the air bag 11 is inflated again, after the air bag 11 expands, the first wiping cloth 31 closely contacts with the inner wall, then the round shell 1 is rotated and slid up and down to drive the first wiping cloth 31 and the air bag 11 to wipe in all directions, so as to wipe away the residual water in the cleaned fire extinguisher, reduce the residual water, improve the drying speed of the fire extinguisher, and improve the cleaning speed of the fire extinguisher.

[0051] As Figure 11 and Figure 12 The connecting rope 32 is made of stretchable material, the other end of the first wiping cloth 31 is provided with a metal ring 34, the metal ring 34 is rotatably provided with a No. 6 threaded pipe 35, and the No. 6 threaded pipe 35 is threadedly connected with the water outlet pipe 20.

[0052] Specifically, the No. 6 threaded pipe 35 is threadedly connected with the inner thread of the water outlet pipe 20, and the No. 2 threaded pipe 22 is threadedly connected with the outer thread of the water outlet pipe 20. When the wiping cloth is installed, the No. 2 threaded pipe 22 is removed from the water outlet pipe 20, and the No. 6 threaded pipe 35 is screwed into the water outlet pipe 20. When the inner wall of the fire extinguisher is wiped, the water outlet pipe 20 can be slid to drive the first wiping cloth 31 to slide, so that different parts of the wiping cloth can contact the inner wall of the fire extinguisher when wiping the inner wall of the fire extinguisher, so that the wiping cloth can absorb more moisture, thereby improving the wiping efficiency.

[0053] As Figure 6 shown, the device further comprises: a plurality of No. 1 buckles 36 installed on the air bag 11; a No. 2 wiping cloth 37 for cleaning the inner wall of the fire extinguisher, and the No. 2 wiping cloth 37 is provided with a No. 2 buckle 38 which is used in cooperation with the No. 1 buckle 36.

[0054] Specifically, by providing the No. 1 buckle 36 and the No. 2 buckle 38, the No. 2 wiping cloth 37 with different roughness can be installed on the air bag 11 according to the cleaning needs of the fire extinguisher, so as to realize targeted wiping of the inner wall of the fire extinguisher during the cleaning process and improve the cleaning effect.

[0055] Working principle: initial state, No. 1 rod 5, No. 2 rod 6 and No. 3 rod 7 are located inside the circular shell 1, No. 1 torsional spring 8 and No. 2 torsional spring 9 are in the torsional state; according to the material of the fire extinguishing cylinder, etc., a No. 1 cloth 31 of different materials is installed on the surface of the air bag 11, during work, the valve and siphon pipe of the fire extinguisher are removed, then the fire extinguisher is inverted on the hollow shelf that can expose the bottle mouth, the circular shell 1 is inserted into the fire extinguisher, then the No. 1 ring 3 is slid upward, so that the No. 1 rod 5, the No. 2 rod 6 and the No. 3 rod 7 are unfolded under the action of the No. 1 torsional spring 8 and the No. 2 torsional spring 9, the connecting pipe 26 is connected with the No. 4 plate 18 and the spray pipe 2 by rotating the No. 3 threaded pipe 27, then the connecting pipe 26 and the air pump are connected, the outlet of the water outlet pipe 20 is blocked, then the air pump is controlled to charge air into the connecting pipe 26, the gas enters the No. 4 plate 18 and the spray pipe 2 through the connecting pipe 26 respectively, the air bag 11 can be inflated when the gas enters the No. 4 plate 18, at the same time, the gas enters the spray pipe 2 and is sprayed out through the spray pipe 2, if the air bag 11 is not fully inflated, the gas can be discharged from the pipe of the fire extinguisher, if the air bag 11 is fully inflated, the air bag 11 expands and unfolds to tightly fit the inside of the fire extinguisher bottle, the gas cannot be discharged, the air pressure increases, and the water outlet pipe 20 is connected therewith, so the sliding block 28 can slide out under the action of the air pressure until the mark on the sliding block 28 appears, which indicates that the inflation is complete, the fire extinguisher can be stopped, the No. 1 rod 5, the No. 2 rod 6 and the No. 3 rod 7 serve as the skeleton of the air bag 11 and do not contact the inner wall of the fire extinguisher bottle, after the air bag 11 is fully inflated, the connecting pipe 26 is removed, the water outlet pipe 20 is connected with the waste water collection system, and the spray pipe 2 is connected with the water supply system, the spray pipe 2 is started to spray water flow into the fire extinguisher bottle, then the circular shell 1 is rotated to drive the air bag 11 to rotate, and the circular shell 1 moves up and down at the same time to drive the air bag 11 to move, which can clean the inner wall of the bottle through the No. 3 rod 7 and clean the bottom of the bottle through the No. 2 rod 6, during cleaning, the No. 2 rod 6 extends and retracts to adapt to the cleaning needs of different parts, when the air bag 11 cleans the inner wall of the fire extinguisher, the sewage generated is flowed into the water outlet pipe 20 through the rubber skin 21 and discharged from the water outlet pipe 20, after cleaning, the No. 1 rod 5 can be removed by rotating the No. 4 threaded pipe 30, then the No. 1 cloth 31 is installed on the No. 1 plate 4 through the No. 5 threaded pipe 33, the No. 1 cloth 31 is sleeved on the outer layer of the air bag 11, then the circular shell 1 is reinserted into the fire extinguisher to inflate the air bag 11 again, after the air bag 11 expands, the No. 1 cloth 31 tightly contacts the inner wall, then the circular shell 1 is rotated and slid up and down to drive the No. 1 cloth 31 and the air bag 11 to wipe in all directions, so as to wipe the remaining water in the cleaned fire extinguisher, reduce water residue, improve the drying speed of the fire extinguisher and improve the cleaning speed of the fire extinguisher.

[0056] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for cleaning the interior of a fire extinguisher cylinder, comprising a circular shell (1) and a spray tube for spraying a water jet, characterized in that, Further comprising: A first ring (3) slidingly mounted on the circular shell (1), and the spray pipe is located inside the first ring (3); A first plate (4) mounted on the first ring (3); a first rod (5), a second rod (6) and a third rod (7) mounted on the first plate (4), the second rod (6) is rotatably connected with the first rod (5), the third rod (7) is rotatably connected with the second rod (6), and the connection portions of the first rod (5), the second rod (6) and the third rod (7) are respectively provided with a first torsion spring (8) and a second torsion spring (9), the first rod (5), the second rod (6) and the third rod (7) are in inverted U shape after being unfolded, the third rod (7) is in contact with the inner wall of the fire extinguisher, and the second rod (6) adopts an extension type structure; Further comprising a plurality of threaded grooves (10) formed in the first plate (4); an air bag (11), a plurality of first threaded pipes (12) are rotatably mounted on the air bag (11), the first plate (4) adopts a hollow structure, the air bag (11) is connected with the first plate (4) through the first threaded pipe (12) and the threaded groove (10), and the first rod (5), the second rod (6) and the third rod (7) are located outside the air bag (11); A second plate (13) mounted on the first ring (3), a first hole (14) is formed in the second plate (13), and a cavity (15) is formed between the second plate (13) and the first ring (3), the cavity (15) is in communication with the first plate (4) and the air bag (11); A third plate (16) rotatably mounted on the first ring (3), and a second hole (17) is formed in the third plate (16); A fourth plate (18) rotatably mounted on the first ring (3), and a communication pipe (19) is mounted between the fourth plate (18) and the third plate (16), and the fourth plate (18) is in communication with the third plate (16) through the communication pipe (19); The device further comprises: a water outlet pipe (20) mounted in the first ring (3), and the spray pipe is located inside the water outlet pipe (20); A rubber skin (21) mounted on the air bag (11), one end of the rubber skin (21) is rotatably provided with a second threaded pipe (22), the second threaded pipe (22) is in threaded connection with the water outlet pipe (20), and the other end of the rubber skin (21) is connected with the air bag (11); A first sliding groove (23) is formed in the first ring (3), and the second plate (13) is slidingly connected with the first sliding groove (23); A second sliding groove (24) is formed in the first ring (3), one end of the second sliding groove (24) is in communication with the first sliding groove (23), the third plate (16) is rotatable on the second sliding groove (24), and when the third plate (16) is rotated to the connection portion between the second sliding groove (24) and the first sliding groove (23), the third plate (16) can slide up and down on the first sliding groove (23). A first spring (25) is installed between the third plate (16) and the fourth plate (18), and the communication pipe (19) is of a telescopic structure.

2. The fire extinguisher cylinder internal cleaning apparatus of claim 1, wherein: The device further comprises: A connecting pipe (26) is provided with two third threaded pipes (27) rotatably installed thereon, and the connecting pipe (26) is connected to the fourth plate (18) and the spray pipe through the two third threaded pipes (27); A sliding block (28) is slidingly installed on the water outlet pipe (20), and the sliding block (28) is provided with a mark; A second spring (29) is installed on the sliding block (28) and the water outlet pipe (20).

3. The fire extinguisher cylinder internal cleaning apparatus of claim 2, wherein: The device further comprises a fourth threaded pipe (30) fixedly connected to the first rod (5), and the first rod (5) is fixedly connected to the first plate (4) through the fourth threaded pipe (30).

4. The fire extinguisher cylinder internal cleaning apparatus of claim 3, wherein: The device further comprises a first wiping cloth (31), one end of which is fixedly installed with a connecting rope (32), and the connecting rope (32) is installed with a fifth threaded pipe (33), and the connecting rope (32) is connected to the first plate (4) through the fifth threaded pipe (33) and the threaded groove (10).

5. The fire extinguisher cylinder internal cleaning apparatus of claim 4, wherein: The connecting rope (32) is made of a telescopic material, the other end of the first wiping cloth (31) is installed with a metal ring (34), the metal ring (34) is rotatably installed with a sixth threaded pipe (35), and the sixth threaded pipe (35) is threadedly connected to the water outlet pipe (20).

6. The fire extinguisher cylinder internal cleaning apparatus of claim 5, wherein: The device further comprises: A plurality of first buckles (36) are installed on the air bag (11); A second wiping cloth (37) is used for cleaning the inner wall of the fire extinguisher, and the second wiping cloth (37) is installed with a second buckle (38) matched with the first buckle (36).

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