External pressure storage heptafluoropropane gas fire extinguisher

Abstract

The utility model discloses an external pressure storage heptafluoropropane gas fire extinguisher which comprises a movable bottom plate, a mounting base, an arc-shaped clamping plate, a heptafluoropropane bottle body, a power bottle body and a starting bottle body, guide sliding sleeves are evenly and fixedly mounted at the four corners of the mounting base, and supporting frame rods are symmetrically welded to the top face of the movable bottom plate. The supporting frame rod is arranged in the guide sliding sleeve in a sleeved mode, a plurality of containing grooves are evenly formed in the top face of the installation base, arc-shaped clamping plates are symmetrically arranged in the containing grooves, an installation groove is formed in one side in the installation base, a rotating shaft is installed in the installation groove, and a first hand-cranking wheel is fixedly installed at one end of the rotating shaft. The utility model has the beneficial effects that a plurality of groups of arc-shaped clamping plates can be used for fixing, clamping and limiting the heptafluoropropane bottle body, the power bottle body and the starting bottle body which are placed in the placing grooves at one time, the operation is simple and convenient, the time and labor are saved, the mounting and dismounting efficiency of each bottle body is greatly improved, the later replacement, maintenance and use are convenient, and the practicability is stronger.

Description

Technical Field

[0001] The utility model relates to the technical field of heptafluoropropane gas fire extinguishers, in particular to an externally stored pressure heptafluoropropane gas fire extinguisher. Background Art

[0002] Heptafluoropropane is a clean gas chemical fire extinguishing agent that mainly uses chemical fire extinguishing and also has physical fire extinguishing effects. It belongs to polyfluorinated alkanes. It is colorless, odorless, low-toxic, non-conductive, does not pollute the protected objects, and will not cause damage to property and precision facilities. Heptafluoropropane gas fire extinguishers have the advantages of high fire extinguishing efficiency, clean and environmentally friendly, economical and affordable, and good electrical insulation. They are widely used in fire fighting in computer rooms, data processing centers, telecommunications facilities, process control centers, expensive medical facilities, valuable industrial equipment, libraries, museums and art museums, clean rooms, anechoic rooms, emergency power facilities, flammable liquid storage areas and other areas.

[0003] The prior art discloses a kind of external storage pressure type heptafluoropropane fire extinguishing system with publication number: CN214286428U, which includes a base, a groove, a telescopic outer rod, a telescopic inner rod, a spring, a fastening sleeve, a splint, a support rod, a heptafluoropropane bottle, a power bottle, a starter bottle, a control circuit, a controller, a gas pipeline, a pressure reducing and stabilizing valve, a container valve, a high-pressure hose, a manifold, a fastening bolt, a signal feedback device, a guide pipe and a nozzle. The beneficial effects of the utility model are as follows: the fastening sleeve and the telescopic outer rod are connected by a thread rotation, which is convenient for stably clamping the bottle body, the power bottle body is filled with high-pressure nitrogen, which provides a large pressure to spray heptafluoropropane, the gas fire extinguishing bottle group composed of the heptafluoropropane bottle body and the power bottle body has two groups, and the bottle groups are linked to each other to improve the protection range, the fastening bolts and the support rod are connected by a thread rotation, which is convenient for stably installing the manifold, and nozzles are installed at the mouth of the cross-shaped guide pipe, so that the heptafluoropropane gas can be quickly and evenly diffused, so as to achieve the purpose of rapid fire extinguishing.

[0004] When the above utility model is in use, it is necessary to use multiple sets of fastening sleeves, telescopic outer rods and arc-shaped clamps to clamp and limit the heptafluoropropane bottle body, power bottle body and starting bottle body placed in the groove. However, since the manual adjustment of the fastening sleeves and the telescopic outer rod is cumbersome and inconvenient, and the number of bottles is large, it is inconvenient for users to clamp and limit the multiple bottles one by one, which reduces the installation and disassembly efficiency of various types of bottles, is not convenient for their later replacement, maintenance and use, and has general practicality. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an externally stored pressurized heptafluoropropane gas fire extinguisher, which can facilitate users to clamp and limit the placement of multiple bottle bodies at one time. The operation is simple and convenient, saving time and effort, greatly improving the installation and disassembly efficiency of each bottle body, facilitating later replacement, maintenance and use, and having the advantages of greater practicality, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned advantages that the user can clamp and limit the placement of multiple bottle bodies at one time, the operation is simple and convenient, time-saving and labor-saving, the installation and disassembly efficiency of each bottle body is greatly improved, and it is convenient for later replacement, maintenance and use, and it is more practical. The specific technical scheme adopted by the utility model is as follows: an external pressure storage heptafluoropropane gas fire extinguisher, including a movable base plate, a mounting base, an arc-shaped clamping plate, a heptafluoropropane bottle body, a power bottle body and a starting bottle body, the four corners of the mounting base are evenly fixed with guide sleeves, the top surface of the movable base plate is symmetrically welded with support frame rods, and the support frame rods are sleeved in the guide sleeves, and the top surface of the mounting base is evenly opened There are several placement grooves, and arc-shaped clamping plates are symmetrically arranged in the placement grooves. A mounting groove is opened on one side of the mounting base, and a rotating shaft is installed in the mounting groove, and a first hand-cranked wheel is fixedly installed at one end of the rotating shaft. A connecting slide is fixedly installed at one end of the arc-shaped clamping plate, and a first screw sleeve is fixedly installed at one end of the connecting slide. A guiding groove is opened between the mounting groove and the placement groove, and the connecting slide is embedded in the guiding groove. Several bidirectional screws are evenly fixedly installed on the rotating shaft, and the bidirectional screw is threadedly sleeved in the first screw sleeve. The heptafluoropropane bottle body, power bottle body and starting bottle body are placed in the placement grooves in sequence.

[0009] Furthermore, a lifting screw is installed on one side of the top surface of the movable base plate, and a second hand-cranked wheel is fixedly installed on the top of the lifting screw. A second screw sleeve is fixedly installed on one side of the mounting base, and the lifting screw is connected to the inner thread of the second screw sleeve.

[0010] Furthermore, the two support frame rods are symmetrically provided with pipe placement grooves, and collecting pipes are placed in the pipe placement grooves, and a signal feedback device is installed at one end of the collecting pipe, one end of the collecting pipe is connected to a guide pipe, and a plurality of nozzles are installed on the bottom surface of the other end of the guide pipe, nuts are fixedly installed on the top surfaces of the two support frame rods, and a fastening screw is sleeved on the inner thread of the nut, and an arc-shaped pressure plate is connected to the bottom end of the fastening screw.

[0011] Furthermore, the bottom surface of the collecting pipe is connected to a high-pressure hose, a container valve is installed in the center of the top of the heptafluoropropane bottle, and the container valve is connected to the other end of the high-pressure hose, a pressure reducing and stabilizing valve is installed on the right side of the top of the heptafluoropropane bottle, the heptafluoropropane bottle, the power bottle and the starting bottle are connected through a gas pipeline, a mounting column is fixedly installed on the top surface of the mounting base, and a controller is installed on the mounting column, and the controller is electrically connected to the container valve, the pressure reducing and stabilizing valve, the signal feedback device, the power cylinder and the starting cylinder.

[0012] Furthermore, rubber pads are symmetrically fixedly installed on opposite sides of the pipe groove and the arc-shaped pressure plate.

[0013] Furthermore, moving wheels are evenly installed at the four corners of the bottom surface of the moving base plate.

[0014] Furthermore, the rear end of the guide tube is in a cross tube shape.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an external storage pressure heptafluoropropane gas fire extinguisher, which has the following beneficial effects:

[0017] (1) The utility model is provided with a movable bottom plate, an installation base and an arc-shaped clamping plate. During installation, the worker can first arrange and install the guide tube with the nozzle installed in the protection area, and then connect one end of the guide tube with one end of the collecting tube. Then, the worker can use the movable bottom plate with a movable wheel installed on the bottom surface to drive the installation base together with two groups of HFC-227ea bottle bodies, power bottle bodies and a group of starting bottle bodies to move to the bottom of the collecting tube. The top surface of the movable bottom plate is symmetrically welded with a support frame rod. During installation, the collecting tube can be inserted into the placement pipe groove opened on the support frame rod, and then the fastening screw threadedly sleeved in the nut is rotated to make the arc-shaped pressure plate connected to the bottom end of the fastening screw tightly abut against the top surface of the collecting tube, thereby realizing the function of connecting and fixing the collecting tube to the supporting frame rod. At this time, the worker uses the second hand crank wheel to drive the lifting screw to rotate according to the height specifications of the HFC-227ea bottle body and the power bottle body used. Because the bottom end of the lifting screw is installed on the top surface of the movable bottom plate and the lifting screw thread is The cam is provided with a second guide screw sleeve which is fixedly mounted on the mounting base, and the support frame rod is provided with a guide sleeve which is fixedly mounted on the four corners of the mounting base. Therefore, as the lifting screw rotates, the mounting base can be driven to rise and fall along the direction of the support frame rod, thereby realizing the height adjustment of the installed heptafluoropropane bottle body and the power bottle body, so that the heptafluoropropane bottle body can be connected to the collecting pipe through a high-pressure hose, so as to meet the installation and use of heptafluoropropane bottles of different specifications and heights. The application range is wider and the practicality is stronger. After the connection is completed, the heptafluoropropane bottle body, the power bottle body and the starting bottle body are connected through the gas pipeline, and the installed pressure reducing and stabilizing valve, the container valve and other valve bodies and the signal feedback device installed on the collecting pipe are electrically connected to the controller installed on the mounting column through the control line. The movable bottom plate is provided, which greatly facilitates the subsequent replacement and installation of the heptafluoropropane bottle body, the power bottle body and the starting bottle body, and the use is more convenient and practical.

[0018] (2) The utility model is provided with a placement groove and an arc-shaped clamping plate. As described above, the HFC-227ea bottle body, the power bottle body and the starter bottle body are placed and installed on the installation base. The installation base is evenly provided with a plurality of placement grooves. The HFC-227ea bottle body, the power bottle body and the starter bottle body can be placed in the placement grooves in sequence. Then, the worker can drive the rotating shaft installed in the installation groove through the first hand-cranked wheel. The rotating shaft is evenly fixed with a plurality of bidirectional screws, and each placement groove is symmetrically provided with an arc-shaped clamping plate, and one end of the arc-shaped clamping plate is fixedly connected with a connecting slide plate, and The connecting slide is embedded in the guide groove provided between the placement groove and the installation groove. In addition, a first screw sleeve fixedly installed at one end of the connecting slide is threadedly sleeved with a bidirectional screw. Therefore, as the rotating shaft drives the bidirectional screw to rotate, the corresponding two arc-shaped clamping plates can be driven to move relative to each other along the direction of the guide groove. Therefore, multiple sets of arc-shaped clamping plates can be used at one time to fix, clamp and limit the heptafluoropropane bottle body, power bottle body and starting bottle body placed in the placement groove. The operation is simple and convenient, saving time and effort, greatly improving the installation and disassembly efficiency of each bottle body, facilitating later replacement, maintenance and use, and being more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic structural diagram of an external pressure storage heptafluoropropane gas fire extinguisher according to an embodiment of the utility model;

[0021] Figure 2 It is a top view of a mounting base of an external pressure storage heptafluoropropane gas fire extinguisher according to an embodiment of the utility model;

[0022] Figure 3 It is a side view of a mounting base of an external pressure storage heptafluoropropane gas fire extinguisher according to an embodiment of the utility model;

[0023] Figure 4 According to the embodiment of the utility model Figure 2 A magnified image of point A;

[0024] Figure 5 It is a three-dimensional diagram of an arc-shaped clamping plate of an external pressure heptafluoropropane gas fire extinguisher according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Moving wheel; 2. Moving bottom plate; 3. Mounting base; 4. HFC-227ea bottle; 5. Power bottle; 6. Starting bottle; 7. Mounting column; 8. Guide sleeve; 9. Signal feedback device; 10. Nozzle; 11. Flow guide tube; 12. Fastening screw; 13. Controller; 14. Gas pipeline; 15. Pressure reducing and stabilizing valve; 16. Container valve; 17. High-pressure hose; 18. Collecting pipe; 19. First hand-cranked wheel; 20. Support frame rod; 21. Placement groove; 22. Arc splint; 23. Second hand-cranked wheel; 24. Lifting screw; 25. Second screw sleeve; 26. Placement pipe groove; 27. Nut; 28. Arc pressure plate; 29. ​​Mounting groove; 30. Rotating shaft; 31. Bidirectional screw; 32. Connecting slide plate; 33. Guide through groove; 34. First screw sleeve. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, a heptafluoropropane gas fire extinguisher with external storage pressure is provided.

[0029] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5As shown, according to an embodiment of the utility model, an external pressure stored heptafluoropropane gas fire extinguisher comprises a movable base plate 2, a mounting base 3, an arc-shaped clamping plate 22, a heptafluoropropane bottle body 4, a power bottle body 5 and a starting bottle body 6. The four corners of the mounting base 3 are evenly fixed with guide sleeves 8, the top surface of the movable base plate 2 is symmetrically welded with support frame rods 20, and the support frame rods 20 are sleeved in the guide sleeves 8, the top surface of the mounting base 3 is evenly provided with a plurality of placement grooves 21, and the placement grooves 21 are symmetrically provided with arc-shaped clamping plates 22, a mounting groove 29 is provided on one side of the mounting base 3, and a rotating shaft 30 is installed in the mounting groove 29, and a first hand-cranked wheel 19 is fixedly installed at one end of the rotating shaft 30, a connecting slide plate 32 is fixedly installed at one end of the arc-shaped clamping plate 22, and A first screw sleeve 34 is fixedly installed at one end of the connecting slide plate 32, and a guide groove 33 is opened between the installation groove 29 and the placement groove 21. The connecting slide plate 32 is embedded in the guide groove 33, and a plurality of bidirectional screws 31 are evenly fixedly installed on the rotating shaft 30, and the bidirectional screws 31 are threadedly sleeved in the first screw sleeve 34. The heptafluoropropane bottle body 4, the power bottle body 5 and the starting bottle body 6 are placed in the placement groove 21 in sequence, so that the heptafluoropropane bottle body 4, the power bottle body 5 and the starting bottle body 6 placed in the placement groove 21 can be fixedly clamped and limited at one time by using multiple sets of arc clamping plates 22. The operation is simple and convenient, saving time and effort, greatly improving the installation and disassembly efficiency of each bottle body, facilitating later replacement, maintenance and use, and having stronger practicality.

[0030] In one embodiment, a lifting screw 24 is installed on one side of the top surface of the movable base plate 2, and a second hand-cranked wheel 23 is fixedly installed on the top of the lifting screw 24, and a second screw sleeve 25 is fixedly installed on one side of the mounting base 3, and the lifting screw 24 is connected to the inner thread of the second screw sleeve 25, so as to adjust the height of the installed HFC-227ea bottle body 4 and the power bottle body 5, so that the HFC-227ea bottle body 4 can be connected to the collecting pipe 18 through the high-pressure hose 17, so as to meet the installation and use of HFC-227ea bottles 4 of different specifications and heights, and has a wider range of applications and stronger practicality.

[0031] In one embodiment, two support frame rods 20 are symmetrically provided with pipe placement grooves 26, and a collecting pipe 18 is placed in the pipe placement grooves 26, and a signal feedback device 9 is installed at one end of the collecting pipe 18, one end of the collecting pipe 18 is connected to a guide pipe 11, and a plurality of nozzles 10 are installed on the bottom surface of the other end of the guide pipe, nuts 27 are fixedly installed on the top surfaces of the two support frame rods 20, and a fastening screw 12 is threadedly sleeved on the inner thread of the nut 27, and an arc-shaped pressure plate 28 is connected to the bottom end of the fastening screw 12, which plays a role in connecting and fixing the collecting pipe 18 to the support frame rod 20.

[0032] In one embodiment, the bottom surface of the collecting pipe 18 is connected to a high-pressure hose 17, a container valve 16 is installed in the center of the top of the heptafluoropropane bottle 4, and the container valve 16 is connected to the other end of the high-pressure hose 17, a pressure reducing and stabilizing valve 15 is installed on the right side of the top of the heptafluoropropane bottle 4, the heptafluoropropane bottle 4, the power bottle 5 and the starting bottle 6 are connected through a gas pipeline 14, a mounting column 7 is fixedly installed on the top surface of the mounting base 3, and a controller 13 is installed on the mounting column 7, and the controller 13 is electrically connected to the container valve 16, the pressure reducing and stabilizing valve 15, the signal feedback device 9, the power cylinder and the starting cylinder, which plays a role in controlling the normal and stable operation of the equipment.

[0033] In one embodiment, rubber pads are symmetrically fixedly installed on opposite sides of the pipe groove 26 and the arc-shaped pressure plate 28, which plays a role in making the connection and fixation between the collecting pipe 18 and the supporting frame rod 20 more stable.

[0034] In one embodiment, moving wheels 1 are evenly installed at the four corners of the bottom surface of the movable base plate 2, which facilitates the movement and transfer of an external pressure stored heptafluoropropane gas fire extinguisher, so as to facilitate the subsequent replacement and installation of the heptafluoropropane bottle body 4, the power bottle body 5 and the starting bottle body 6, making it more convenient to use and more practical.

[0035] In one embodiment, the rear end of the guide pipe 11 is in a cross tube shape, which serves to expand the fire protection range.

[0036] Working principle: The utility model is provided with a movable bottom plate 2, a mounting base 3 and an arc-shaped clamping plate 22. During installation, the worker can first arrange and install the guide pipe 11 with the nozzle 10 installed in the protection area, and then connect one end of the guide pipe 11 with one end of the collecting pipe 18. Then the worker can use the movable bottom plate 2 with a movable wheel 1 installed on the bottom surface to drive the mounting base 3 together with two groups of heptafluoropropane bottles 4 and power bottles 5 and a group of starting bottles 6 to move to the bottom of the collecting pipe 18. The top surface of the movable bottom plate 2 is symmetrically welded with a support frame rod 20. During installation, the collecting pipe 18 can be inserted into the placement pipe groove 26 opened on the support frame rod 20, and then the fastening screw 12 threadedly sleeved in the nut 27 is rotated to connect the bottom end of the fastening screw 12 to the installation The arc-shaped pressure plate 28 is tightly in contact with the top surface of the collecting pipe 18, thereby realizing the function of connecting and fixing the collecting pipe 18 to the supporting frame rod 20. At this time, the worker uses the second hand-cranked wheel 23 to drive the lifting screw 24 to rotate according to the height specifications of the HFC-227ea bottle body 4 and the power bottle body 5 used. Because the bottom end of the lifting screw 24 is installed on the top surface of the movable bottom plate 2, and the lifting screw 24 is threadedly sleeved in the second screw sleeve 25 fixedly installed on the mounting base 3, and the supporting frame rod 20 is sleeved in the guide sliding sleeves 8 fixedly installed at the four corners of the mounting base 3, the mounting base 3 can be driven to rise and fall along the direction of the supporting frame rod 20 with the rotation of the lifting screw 24, thereby realizing the use height adjustment of the installed HFC-227ea bottle body 4 and the power bottle body 5, so as to make the HFC-227ea bottle body 4 and the power bottle body 5 easy to use. The fluoropropane bottle 4 can be connected to the manifold 18 through a high-pressure hose 17 to meet the installation and use of heptafluoropropane bottles 4 of different specifications and heights, with a wider range of applications and stronger practicality. After the connection is completed, the heptafluoropropane bottle 4, the power bottle 5 and the starter bottle 6 are connected through the gas pipeline 14, and the installed pressure reducing and stabilizing valve 15, the container valve 16 and other valve bodies and the signal feedback device 9 installed on the manifold 18 are electrically connected to the controller 13 installed on the mounting column 7 through the control line. The movable bottom plate 2 is provided to greatly facilitate the subsequent replacement and installation of the heptafluoropropane bottle 4, the power bottle 5 and the starter bottle 6, which is more convenient to use and more practical. In addition, the utility model is provided with a placement groove 21 and arc-shaped clamping plate 22, as mentioned above, the HFC-22ea bottle body 4, the power bottle body 5 and the starter bottle body 6 are placed and installed on the installation base 3, and a plurality of placement grooves 21 are evenly provided on the installation base 3, and the HFC-22ea bottle body 4, the power bottle body 5 and the starter bottle body 6 can be placed in the placement grooves 21 in sequence, and then the worker can drive the rotating shaft 30 installed in the installation groove 29 through the first hand-cranked wheel 19, and a plurality of bidirectional screws 31 are evenly fixedly installed on the rotating shaft 30, and each placement groove is symmetrically provided with arc-shaped clamping plates 22, and one end of the arc-shaped clamping plates 22 is fixedly connected with a connecting slide plate 32, and the connecting slide plate 32 is embedded in a guide through groove 33 provided between the placement groove 21 and the installation groove 29, and in addition,The first screw sleeve 34 fixedly installed at one end of the connecting slide plate 32 is internally threaded with a bidirectional screw 31, so as the rotating shaft 30 drives the bidirectional screw 31 to rotate, it can drive the corresponding two arc clamping plates 22 to move relatively along the direction of the guide groove 33, so that multiple sets of arc clamping plates 22 can be used to fix, clamp and limit the heptafluoropropane bottle body 4, power bottle body 5 and starter bottle body 6 placed in the placement groove 21 at one time, which is simple and convenient to operate, saves time and effort, greatly improves the installation and disassembly efficiency of each bottle body, facilitates later replacement, maintenance and use, and is more practical.

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An external pressure storage heptafluoropropane gas fire extinguisher, comprising a movable base plate (2), a mounting base (3), an arc-shaped clamping plate (22), a heptafluoropropane bottle body (4), a power bottle body (5) and a starter bottle body (6), characterized in that: The four corners of the mounting base (3) are evenly fixedly mounted with guide sleeves (8); the top surface of the movable base plate (2) is symmetrically welded with a support frame rod (20), and the support frame rod (20) is sleeved in the guide sleeve (8); the top surface of the mounting base (3) is evenly provided with a plurality of placement grooves (21), and arc-shaped clamping plates (22) are symmetrically arranged in the placement grooves (21); a mounting groove (29) is provided in one side of the mounting base (3), and a rotating shaft (30) is installed in the mounting groove (29), and a first hand-cranked wheel (19) is fixedly mounted on one end of the rotating shaft (30); the arc-shaped clamping plates A connecting slide plate (32) is fixedly installed at one end of the connecting slide plate (32), and a first screw sleeve (34) is fixedly installed at one end of the connecting slide plate (32). A guide groove (33) is provided between the installation groove (29) and the placement groove (21). The connecting slide plate (32) is embedded in the guide groove (33). A plurality of bidirectional screws (31) are evenly fixedly installed on the rotating shaft (30), and the bidirectional screws (31) are threadedly sleeved in the first screw sleeve (34). The HFC-227ea bottle body (4), the power bottle body (5) and the starting bottle body (6) are placed in the placement groove (21) in sequence.

2. The external pressure heptafluoropropane gas fire extinguisher according to claim 1 is characterized in that: A lifting screw (24) is installed on one side of the top surface of the movable base plate (2), and a second hand-cranked wheel (23) is fixedly installed on the top of the lifting screw (24); a second screw sleeve (25) is fixedly installed on one side of the mounting base (3), and the lifting screw (24) is sleeved on the inner thread of the second screw sleeve (25).

3. The external pressure heptafluoropropane gas fire extinguisher according to claim 1 is characterized in that: The two support frame rods (20) are symmetrically provided with pipe placement grooves (26), and a collecting pipe (18) is placed in the placing pipe grooves (26), and a signal feedback device (9) is installed at one end of the collecting pipe (18), one end of the collecting pipe (18) is connected to a guide pipe (11), and a plurality of nozzles (10) are installed on the bottom surface of the other end of the guide pipe, nuts (27) are fixedly installed on the top surfaces of the two support frame rods (20), and a fastening screw (12) is sleeved on the inner thread of the nut (27), and an arc-shaped pressure plate (28) is connected to the bottom end of the fastening screw (12).

4. The external pressure heptafluoropropane gas fire extinguisher according to claim 3 is characterized in that: The bottom surface of the manifold (18) is connected to a high-pressure hose (17); a container valve (16) is installed at the center of the top of the heptafluoropropane bottle (4), and the container valve (16) is connected to the other end of the high-pressure hose (17); a pressure reducing and stabilizing valve (15) is installed on the right side of the top of the heptafluoropropane bottle (4); the heptafluoropropane bottle (4), the power bottle (5) and the starter bottle (6) are connected to each other through a gas pipeline (14); a mounting column (7) is fixedly installed on the top surface of the mounting base (3), and a controller (13) is installed on the mounting column (7); and the controller (13) is electrically connected to the container valve (16), the pressure reducing and stabilizing valve (15), the signal feedback device (9), the power cylinder and the starter cylinder.

5. The external pressure storage heptafluoropropane gas fire extinguisher according to claim 4, characterized in that: The pipe placement groove (26) and the arc-shaped pressing plate (28) are symmetrically and fixedly mounted with rubber pads on opposite sides.

6. The external pressure heptafluoropropane gas fire extinguisher according to claim 1, characterized in that: Moving wheels (1) are evenly mounted at the four corners of the bottom surface of the moving base plate (2).

7. The external pressure heptafluoropropane gas fire extinguisher according to claim 3 is characterized in that: The rear end of the flow guide tube (11) is in a cross tube shape.

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