Cabinet heptafluoropropane fire extinguishing device

Abstract

The application discloses a cabinet type heptafluoro-propane fire extinguishing device and relates to the technical field of the cabinet type heptafluoro-propane fire extinguishing device.The cabinet type heptafluoro-propane fire extinguishing device comprises a cabinet body, a sealing door is hingedly connected to the front face of the cabinet body, a fire extinguishing tank is arranged in the interior of the cabinet body, a connecting sleeve is arranged at the top of the fire extinguishing tank, a motor is fixed to the back face of the cabinet body, a threaded rod is fixed to the output end of the motor, a placing seat is slidingly installed at the bottom of the interior of the cabinet body, the threaded rod penetrates through the placing seat, and the penetration position is threadedly connected.The driving motor and the threaded rod transmission structure are arranged to facilitate replacement of the fire extinguishing tank, the threaded rod is driven to rotate by the motor, the placing seat can be stably moved out of the interior of the cabinet body, sufficient operation space is provided for the staff, and the fire extinguishing tank in the cabinet body can be conveniently taken and replaced.

Description

Technical Field

[0001] This invention relates to the technical field of cabinet-type heptafluoropropane fire extinguishing devices, specifically a cabinet-type heptafluoropropane fire extinguishing device. Background Technology

[0002] Heptafluoropropane, as a clean gas extinguishing agent, is widely used for fire protection in important locations such as electronic equipment rooms, archives, valuables warehouses, and data centers due to its advantages such as non-conductivity, non-ozone depletion, high extinguishing efficiency, and no residue. Cabinet-type heptafluoropropane fire extinguishing devices are commonly used in single-unit or small protected areas because they do not require a dedicated storage room, offer flexible installation, and require little floor space. Currently, commercially available cabinet-type heptafluoropropane fire extinguishing devices typically consist of a cabinet, extinguishing agent cylinder group, container valve, electromagnetic starter, nozzle, pressure gauge, and control piping. Its working principle is as follows: when a fire occurs in the protected area, the fire alarm controller receives a signal and outputs an initiating current to the electromagnetic starter. The electromagnetic starter punctures the drive diaphragm on the container valve, and the nitrogen pressure within the cylinder group drives the heptafluoropropane extinguishing agent to be sprayed into the protected area through the connecting pipes and nozzles, thereby achieving rapid fire extinguishing.

[0003] In existing cabinet-type heptafluoropropane fire extinguishing devices, the internal space of the cabinet is usually designed to closely match the external dimensions of the fire extinguisher to ensure good sealing and a stable working environment within the cabinet. While this compact structure facilitates the positioning, protection, and sealing of the fire extinguisher, it also presents operational inconveniences when the fire extinguisher needs to be replaced or repaired. Because the overall size of the fire extinguisher is almost the same as the internal cavity of the cabinet, the gap between the two is very limited, making it difficult for operators to obtain sufficient space for applying force and a gripping position. This can lead to interference or jamming of the fire extinguisher with the inner wall of the cabinet during removal, making the removal operation difficult, reducing replacement efficiency, and even potentially damaging the fire extinguisher or cabinet structure when forcibly disassembled. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a cabinet-type heptafluoropropane fire extinguishing device, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a cabinet-type heptafluoropropane fire extinguishing device, comprising: a cabinet body, a sealed door hinged to the front of the cabinet body, a fire extinguishing tank installed inside the cabinet body, and a connecting sleeve installed on the top of the fire extinguishing tank; The motor is fixed to the back of the cabinet, and a threaded rod is fixed to the output end of the motor; The placement seat is slidably installed inside the bottom of the cabinet. The threaded rod passes through the placement seat and is threaded at the point of penetration. The outer wall of the placement seat has a groove. By starting the motor, the threaded rod can be rotated, thereby allowing the threaded rod to move the placement seat out of the cabinet, which facilitates the replacement of the fire extinguisher. A sliding plate is slidably mounted on the inner wall of a groove. The sliding plate has a groove, which is divided into an inclined groove section and a straight groove section. The extrusion rod is fixed to the inner wall of the cabinet; when the extrusion rod moves in the inclined groove section, it can extrude the slide plate to move in the groove.

[0006] A rubber sheet is rotatably mounted on the inner wall of the groove. The rubber sheet has through holes and four sets of rubber sheets are arranged in a circular array around the center point of the fire extinguisher. The rubber sheet is used to position the fire extinguisher around its perimeter.

[0007] According to the above technical solution, a fixing rod is fixed to the top of the skateboard, and the fixing rod passes through the through hole and fits snugly at the through point.

[0008] According to the above technical solution, the outer wall of the placement seat is provided with an elongated hole, the elongated hole is connected to the groove, and the extrusion rod passes through the elongated hole.

[0009] According to the above technical solution, a pressing device is provided on the top of the slide plate to prevent the fire extinguisher from shaking up and down during use; a support device is provided at the bottom of the placement seat.

[0010] According to the above technical solution, the clamping device includes a long block, which is fixed to the top of the slide plate; A guide block is fixed to the top of the placement base, a movable block is slidably installed on the outer wall of the guide block, and a pressing block is fixed to the bottom of the movable block; A transmission plate is fixed to the outer wall of the moving block, and the outer wall of the transmission plate has oblique holes.

[0011] According to the above technical solution, a sliding rod is fixed to the outer wall of the long block, the sliding rod passes through the inclined hole and fits at the through point, a sleeve is fixed to the side wall of the guide block, a pressure ring is slidably installed inside the sleeve, and a hinge rod is hinged to the top of the moving block, with the end of the hinge rod away from the moving block hinged to the bottom of the pressure ring.

[0012] According to the above technical solution, the support device includes rollers, which are rotatably mounted on the inner side of the placement seat. The rollers are used to facilitate the removal of the fire extinguisher from the placement seat. A rotating rod is rotatably mounted on the inner bottom of the placement seat. A rotating plate is fixed to the outer wall of the rotating rod, and a pressing rubber block is fixed to the side wall of the rotating plate. The pressing rubber block is used to press against the ground to support the fire extinguisher when the placement seat is moved out of the cabinet.

[0013] According to the above technical solution, a torsion spring is fixed to the inner bottom of the placement seat, and the end of the torsion spring is fixed to the outer wall of the rotating plate.

[0014] This invention provides a cabinet-type heptafluoropropane fire extinguishing device. It has the following beneficial effects: 1. This invention is equipped with a drive motor and a threaded rod transmission structure. The motor drives the threaded rod to rotate, which can drive the placement seat to move smoothly out of the cabinet, thereby providing sufficient operating space for the staff and facilitating installation and disassembly. This solves the problem that the overall size of the fire extinguisher is almost the same as the inner cavity of the cabinet, and the gap between the two is extremely limited, which makes it difficult for the operator to obtain sufficient force application space and grip position, thus making installation and disassembly inconvenient. When the placement seat is removed from the cabinet, the inclined section of the slide groove moves synchronously relative to the extrusion rod. The slide groove is subjected to extrusion force, causing the sliding plate to move. The fixing rod extrudes the inner side of the through hole, causing the rubber plate to rotate and release its clamping and positioning of the fire extinguisher, making it easy for staff to pick up and replace. After the fire extinguisher is replaced, the motor is reversed to send the placement seat and the fire extinguisher into the cabinet. During this process, the sliding plate, slide groove, extrusion rod and through hole cooperate to reset the rubber plate and reliably press the surface of the fire extinguisher, thereby achieving effective positioning of the fire extinguisher around its perimeter. This prevents the fire extinguisher from shaking due to vibration or external impact during operation and from collapsing inside the cabinet, solving the problem of the fire extinguisher being unable to spray extinguishing agent normally.

[0015] 2. To prevent vertical vibration of the fire extinguishing canister due to internal pressure changes during operation, this invention incorporates a linked structure including a long block, guide block, sliding rod, transmission plate, inclined hole, moving block, and pressing block. When the fire extinguishing canister is inserted into the cabinet along with its placement seat, these components work together to apply pressure to the top of the canister with the pressing block, effectively suppressing vertical shaking caused by pressure fluctuations during operation and preventing fatigue fracture of the spray pipe due to repeated vertical shaking. Simultaneously, the invention includes a sleeve, pressure ring, and hinge rod. The pressure ring provides stable compression and positioning to the outer wall of the connecting sleeve, effectively constraining the spray pipe installed inside the connecting sleeve. This effectively prevents the spray pipe from loosening, slipping, or even completely detaching from the connecting sleeve during extinguishing agent spraying operations due to excessive instantaneous pressure or severe pressure fluctuations within the spray pipe. This avoids the dangerous situation where the extinguishing agent cannot be sprayed normally, preventing fire extinguishing operations from being carried out due to the detached spray pipe.

[0016] 3. This invention features rollers on the placement base. When the placement base is removed from the cabinet, the rollers effectively reduce the friction of the fire extinguisher as it moves on the surface of the placement base, making it easier to move the fire extinguisher in or out of the placement base and avoiding inconvenience caused by the fire extinguisher being too heavy. Simultaneously, this invention also includes a rotating rod, a rotating plate, a torsion spring, and a retaining rubber block. When the placement base is removed from the cabinet, the torsion spring is compressed, and its elastic restoring force drives the retaining rubber block to rotate, making it firmly press against the placement surface of the cabinet, thereby supporting the placement base and preventing the cabinet's center of gravity from shifting forward due to the placement base extending outward, thus preventing the cabinet and fire extinguisher from collapsing and being damaged. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 This is a partial cross-sectional view of the present invention; Figure 4 This is a partial cross-sectional view of the present invention; Figure 5 This is a partial structural diagram of the present invention; Figure 6 This is a partial structural diagram of the present invention; Figure 7 This is a schematic diagram of the bottom structure of the placement base of the present invention.

[0018] In the diagram: 1. Cabinet; 2. Sealed door; 3. Fire extinguisher; 4. Connecting sleeve; 5. Placement seat; 6. Motor; 7. Threaded rod; 8. Pressing rod; 9. Slide plate; 10. Slide groove; 11. Rubber plate; 12. Through hole; 13. Fixing rod; 141. Long block; 142. Guide block; 143. Slide rod; 144. Transmission plate; 145. Angled hole; 146. Moving block; 147. Pressing block; 148. Sleeve; 149. Pressure ring; 1411. Hinge rod; 151. Roller; 152. Rotating rod; 153. Rotating plate; 154. Torsion spring; 155. Pressing rubber block. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1-7One embodiment of the present invention is: a cabinet-type heptafluoropropane fire extinguishing device, comprising: a cabinet 1, a sealing door 2 hinged to the front of the cabinet 1, a fire extinguishing tank 3 disposed inside the cabinet 1, and a connecting sleeve 4 disposed on the top of the fire extinguishing tank 3, the connecting sleeve 4 being used to connect the spray pipeline for spraying fire extinguishing agent operation. It also includes a motor 6, a placement seat 5, a sliding plate 9, a pressing rod 8, and a rubber plate 11; the motor 6 is fixed to the back of the cabinet 1, and a threaded rod 7 is fixed to the output end of the motor 6; the placement seat 5 is slidably installed inside the bottom of the cabinet 1, the threaded rod 7 passes through the placement seat 5 and is threaded at the point of penetration; the outer wall of the placement seat 5 has a groove, the sliding plate 9 is slidably installed on the inner wall of the groove, the sliding plate 9 has a sliding groove 10, the sliding groove 10 is divided into an inclined groove section and a straight groove section; the pressing rod 8 is fixed to the inner wall of the cabinet 1; the rubber plate 11 is rotatably installed on the inner wall of the groove, the rubber plate 11 has a through hole 12, there are four sets of rubber plates 11, and the four sets of rubber plates 11 are arranged in a circumferential array around the center point of the fire extinguisher 3, the rubber plates 11 are used to position the fire extinguisher 3 around its perimeter; a fixing rod 13 is fixed to the top of the sliding plate 9, the fixing rod 13 passes through the through hole 12 and fits snugly at the point of penetration; the outer wall of the placement seat 5 has an elongated hole, the elongated hole communicates with the groove, and the pressing rod 8 passes through the elongated hole.

[0021] To facilitate the replacement of the fire extinguisher canister 3, this device is equipped with a transmission structure consisting of a motor 6 and a threaded rod 7. The motor 6 drives the threaded rod 7 to rotate, which in turn moves the placement seat 5 smoothly out of the cabinet 1, providing ample operating space for staff to easily retrieve and replace the fire extinguisher canister 3 inside the cabinet 1. When the placement seat 5 is removed from the cabinet 1, the inclined section of the slide 10 moves synchronously relative to the pressing rod 8, subjecting the slide 10 to a pressing force. This causes the sliding plate 9 to move. When the sliding plate 9 moves, the fixing rod 13 presses against the inside of the through hole 12, thereby causing the rubber plate 11 to rotate and release the pressure and positioning of the fire extinguisher canister 3, making it easy for staff to retrieve and replace it. After the fire extinguisher canister 3 is replaced, the motor 6 is reversed to send the placement seat 5, along with the fire extinguisher canister 3, into the cabinet 1. During this process, the sliding plate 9, the sliding groove 10, the pressing rod 8, and the through hole 12 cooperate to reset the rubber plate 11 and reliably press the surface of the fire extinguisher canister 3, achieving effective positioning of the fire extinguisher canister 3 around its perimeter and ensuring its stable placement inside the cabinet 1.

[0022] In this embodiment, when the fire extinguisher 3 needs to be replaced, the spray pipe is first removed from the connecting sleeve 4. The motor 6 is started, controlling the threaded rod 7 to rotate forward. This causes the threaded rod 7 to slide the placement seat 5 inside the cabinet 1, moving the placement seat 5 out of the cabinet 1. The placement seat 5 then moves the fire extinguisher 3 out of the cabinet 1 for replacement. When the placement seat 5 moves, it moves the sliding plate 9, causing the inclined section of the slide groove 10 to press against the outer wall of the extrusion rod 8. This extrusion force causes the sliding plate 9 to move towards the fire extinguisher 3. When the sliding plate 9 moves, it moves the fixing rod 13, causing the fixing rod 13 to press against the inside of the through hole 12, thus opening the through hole of the rubber plate 11. The 12 points of pressure cause rotation, allowing the rubber plate 11 to rotate away from the fire extinguisher 3, thus removing the pressure from the fire extinguisher 3 and allowing it to be removed from the placement seat 5 for replacement. After the fire extinguisher 3 is replaced, the motor 6 is started, controlling the threaded rod 7 to reverse, causing the placement seat 5 to extend into the cabinet 1. This moves the sliding plate 9, causing the pressure rod 8 to move in the straight section of the slide groove 10. When the inclined section of the slide groove 10 contacts the pressure rod 8, the sliding plate 9 is pressured and moves away from the fire extinguisher 3, causing the fixing rod 13 to reset in the through hole 12. This allows the rubber plate 11 to rotate and press and position the fire extinguisher 3 around its perimeter.

[0023] Please see Figures 1-7 Based on the above embodiments, in another embodiment of the present invention, a pressing device is provided on the top of the slide plate 9, which is used to prevent the fire extinguisher 3 from shaking up and down during use. The clamping device includes a long block 141, a guide block 142, a slide rod 143, a transmission plate 144, an inclined hole 145, a moving block 146, a pressing block 147, a sleeve 148, a pressure ring 149, and a hinge rod 1411; the long block 141 is fixed to the top of the slide plate 9; the guide block 142 is fixed to the top of the placement seat 5, and the moving block 146 is slidably mounted on the outer wall of the guide block 142, with the pressing block 147 fixed to the bottom of the moving block 146; the transmission plate 144 is fixed to... The outer wall of the movable block 146 and the outer wall of the transmission plate 144 are provided with inclined holes 145; the outer wall of the long block 141 is fixed with a slide rod 143, which passes through the inclined hole 145 and fits at the through point; the side wall of the guide block 142 is fixed with a sleeve 148, and a pressure ring 149 is slidably installed inside the sleeve 148; the top of the movable block 146 is hinged with a hinge rod 1411, and the end of the hinge rod 1411 away from the movable block 146 is hinged to the bottom of the pressure ring 149.

[0024] To prevent vertical vibration of the fire extinguisher 3 due to internal pressure changes during operation, this device is also equipped with a linkage structure including a long block 141, a guide block 142, a sliding rod 143, a transmission plate 144, an inclined hole 145, a moving block 146, and a pressing block 147. When the fire extinguisher 3 is inserted into the cabinet 1 along with the placement seat 5, the above components work together to enable the pressing block 147 to apply a clamping force to the top of the fire extinguisher 3, thereby effectively suppressing the vertical shaking of the fire extinguisher 3 caused by pressure fluctuations and avoiding affecting its normal working performance. In addition, the device is also equipped with a sleeve 148, a pressure ring 149, and a hinge rod 1411. The pressure ring 149 can stably press and position the outer wall of the connecting sleeve 4, thereby effectively constraining the spraying pipeline installed inside the connecting sleeve 4. This can prevent the spraying pipeline from loosening or falling off from the connecting sleeve 4 due to excessive pressure inside the pipeline during the fire extinguishing agent spraying operation, thus ensuring the reliability and safety of the spraying process.

[0025] The bottom of the placement seat 5 is provided with a support device, which includes a roller 151, a rotating rod 152, a rotating plate 153, a torsion spring 154, and a pressing rubber block 155. The roller 151 is rotatably installed on the inner side of the placement seat 5 and is used to facilitate the removal of the fire extinguisher 3 from the placement seat 5. The rotating rod 152 is rotatably installed on the inner bottom of the placement seat 5. The rotating plate 153 is fixed to the outer wall of the rotating rod 152. The pressing rubber block 155 is fixed to the side wall of the rotating plate 153 and is used to press against the ground to support the fire extinguisher 3 when the placement seat 5 is removed from the cabinet 1. The torsion spring 154 is fixed to the inner bottom of the placement seat 5 and the end of the torsion spring 154 is fixed to the outer wall of the rotating plate 153.

[0026] To further facilitate the replacement of the fire extinguisher canister 3, this device is equipped with rollers 151 on the placement seat 5. When the placement seat 5 is removed from the cabinet 1, the rollers 151 can effectively reduce the friction when the fire extinguisher canister 3 moves on the surface of the placement seat 5, so that the staff can pull the fire extinguisher canister 3 smoothly out of the placement seat 5 without effort. Meanwhile, the roller 151 structure is also equipped with a rotating rod 152, a rotating plate 153, a torsion spring 154, and a pressing rubber block 155. When the placement seat 5 is removed from the cabinet 1, the torsion spring 154 is in a compressed state, and its elastic restoring force drives the pressing rubber block 155 to rotate, so that the pressing rubber block 155 is tightly pressed against the placement surface of the cabinet 1, thereby effectively improving the overall stability of the cabinet 1 during operation and preventing the cabinet 1 from tipping over due to the forward shift of the center of gravity caused by the extension of the placement seat 5.

[0027] In this embodiment, when the fire extinguisher 3 is inserted into the cabinet 1, the sliding plate 9 will move away from the fire extinguisher 3, thereby moving the long block 141. When the long block 141 moves, it can move the sliding rod 143. When the sliding rod 143 moves, it can move in the inclined hole 145, thereby squeezing the inclined hole 145, causing the slide groove 10 to be subjected to squeezing force and move downward, driving the transmission plate 144 to move downward. When the transmission plate 144 moves downward... When in motion, it can drive the moving block 146 to move downward, thereby causing the moving block 146 to drive the pressing block 147 to move downward and press it against the top of the fire extinguisher 3, thus pressing and positioning the fire extinguisher 3. When the moving block 146 moves downward, it can pull the hinge rod 1411, causing the hinge rod 1411 to rotate at the hinge. Thus, the hinge rod 1411 can pull the pressure ring 149 out of the sleeve 148, thereby pressing the pressure ring 149 against the outer wall of the connecting sleeve 4. When the placement seat 5 is removed from the cabinet 1, the pressing rod 8 presses the inclined section of the slide 10, causing the slide plate 9 to move closer to the fire extinguisher 3. This moves the slide plate 9, which in turn moves the long block 141. The long block 141 then moves the slide rod 143 in the inclined hole 145, causing the transmission plate 144 to be subjected to pressure and move upwards. This moves the moving block 146 upwards, preventing the pressing block 147 from pressing the top of the fire extinguisher 3. When the moving block 146 moves downwards, it presses the hinge rod 1411, causing the hinge rod 1411 to rotate at the hinge. This allows the hinge rod 1411 to press the pressure ring 149 into the sleeve 148, causing the pressure ring 149 to move into the sleeve 148. Ring 149 moves away from connecting sleeve 4; when the placement seat 5 is removed from the cabinet 1, the rotating plate 153 will no longer be subjected to pressure, and because the torsion spring 154 is in a compressed state, the torsion spring 154 will drive the rotating plate 153 to rotate, which will drive the pressing rubber block 155 to press against the ground and support the cabinet 1. When the placement seat 5 moves into the cabinet 1, the rotating plate 153 will contact the bottom of the cabinet 1, and the rotating plate 153 will be subjected to pressure, which will allow it to rotate upward, so that the pressing rubber block 155 on the rotating plate 153 will retract to the bottom inner side of the placement seat 5. When the rotating plate 153 rotates, the torsion spring 154 will be compressed and deformed, and the next unfolding operation will be carried out.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cabinet-type heptafluoropropane fire extinguishing device, characterized in that, include: Cabinet (1), the front of the cabinet (1) is hinged with a sealed door (2), the interior of the cabinet (1) is equipped with a fire extinguisher (3), and the top of the fire extinguisher (3) is equipped with a connecting sleeve (4). Motor (6), the motor (6) is fixed on the back of the cabinet (1), and the output end of the motor (6) is fixed with a threaded rod (7). Placement seat (5), the placement seat (5) is slidably installed on the inner bottom of the cabinet (1), the threaded rod (7) passes through the placement seat (5) and is threaded at the point of penetration, and the outer wall of the placement seat (5) is provided with a groove; A sliding plate (9) is slidably installed on the inner wall of a groove. A sliding groove (10) is provided on the sliding plate (9). The sliding groove (10) is divided into an inclined groove section and a straight groove section. The extrusion rod (8) is fixed to the inner wall of the cabinet (1); A rubber plate (11) is rotatably installed on the inner wall of the groove. A through hole (12) is provided on the rubber plate (11). There are four sets of rubber plates (11), and the four sets of rubber plates (11) are arranged in a circular array around the center point of the fire extinguisher (3). The rubber plate (11) is used to position the fire extinguisher (3) around its perimeter. The top of the slide plate (9) is provided with a pressing device, which is used to prevent the fire extinguisher (3) from shaking up and down due to excessive air pressure during use; the bottom of the placement seat (5) is provided with a support device. The clamping device includes an elongated block (141) which is fixed to the top of the slide plate (9); Guide block (142), the guide block (142) is fixed on the top of the placement seat (5), and a moving block (146) is slidably installed on the outer wall of the guide block (142), and a pressing block (147) is fixed at the bottom of the moving block (146). A transmission plate (144) is fixed to the outer wall of the moving block (146), and an oblique hole (145) is provided on the outer wall of the transmission plate (144). The outer wall of the long block (141) is fixed with a sliding rod (143), which passes through the oblique hole (145) and fits at the through point. The side wall of the guide block (142) is fixed with a sleeve (148), and a pressure ring (149) is slidably installed inside the sleeve (148). The top of the moving block (146) is hinged with a hinge rod (1411), and the end of the hinge rod (1411) away from the moving block (146) is hinged to the bottom of the pressure ring (149).

2. The cabinet-type heptafluoropropane fire extinguishing device according to claim 1, characterized in that, A fixing rod (13) is fixed to the top of the slide plate (9). The fixing rod (13) passes through the through hole (12) and fits snugly at the through point.

3. A cabinet-type heptafluoropropane fire extinguishing device according to claim 1, characterized in that, The outer wall of the placement seat (5) is provided with an elongated hole, which is connected to the groove, and the extrusion rod (8) passes through the elongated hole.

4. A cabinet-type heptafluoropropane fire extinguishing device according to claim 1, characterized in that, The support device includes a roller (151), which is rotatably mounted on the inside of the placement seat (5). The roller (151) is used to reduce the friction between the bottom of the fire extinguisher (3) and the placement seat (5). A rotating rod (152) is rotatably installed on the inner side of the bottom of the placement seat (5). A rotating plate (153) is fixed on the outer wall of the rotating rod (152). A pressing rubber block (155) is fixed on the side wall of the rotating plate (153). The pressing rubber block (155) is used to press against the ground to support the fire extinguisher (3) when the placement seat (5) is moved out of the cabinet (1).

5. A cabinet-type heptafluoropropane fire extinguishing device according to claim 1, characterized in that, A torsion spring (154) is fixed to the inner bottom of the placement seat (5), and the end of the torsion spring (154) is fixed to the outer wall of the rotating plate (153).

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