Quick-release fire extinguishing device

Abstract

The utility model discloses a quick-release fire extinguishing device which comprises a hoisting plate, a fixing plate and a fire extinguisher which are sequentially connected from top to bottom, a quick-release mechanism is arranged between the hoisting plate and the fixing plate, and the quick-release mechanism is clamped with the fire extinguisher. By arranging the quick release mechanism, the top end of the fire extinguisher is inserted into the limiting hole, the limiting plate is embedded in the limiting hole, the guide sliding plate is driven to rotate horizontally in a manual or electric mode, the top of the clamping hand slides along the guide sliding groove, the clamping hand moves in the radial direction along the limiting hole under driving of the guide sliding plate, and the bottom of the clamping hand covers an opening of the limiting hole. And the limiting plate is clamped between the clamping hand and the limiting hole, so that quick mounting and dismounting are realized, an auxiliary tool is not needed, meanwhile, the trouble of aligning mounting parts one by one is omitted, and the mounting and dismounting convenience is better.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing devices, in particular to a quick-detachable fire extinguishing device. Background Art

[0002] In many life scenarios, fire extinguishing devices are essential fire-fighting products, which can be divided into hanging type, cabinet type, handheld type, etc. according to the way of use. For fixed-point installation, hanging fire extinguishing devices have the advantages of easy disassembly, flexible installation, small size, and wide application. Traditional hanging fire extinguishing devices generally adopt a hook and ring structure, which is hung on the ceiling, roof and other places. It is prone to shaking and other phenomena, posing a major safety hazard and a poor product user experience. Patent No. ZL202322140709.9 discloses a hanging fire extinguishing device. First, the fixed positioning top plate is fixed to the roof of the battery car shed with bolts, and then the positioning movable card block is inserted into the connecting movable groove. The No. 1 positioning plate will also be inserted into the positioning connection hole, and the fire extinguisher tank body will be rotated at the same time, thereby driving the positioning movable card block to rotate into the rotating positioning groove, and the triangular positioning card block is inserted into the positioning card hole. The positioning mechanism is set to facilitate the rapid positioning and installation between the fire extinguisher tank body and the No. 2 positioning plate, and no other tools are required for disassembly. However, the solution mentioned in the above patent requires aligning the No. 1 positioning plate with the positioning connection hole, aligning the positioning movable block with the connecting movable groove, and aligning the triangular positioning block with the positioning hole to achieve stable installation and disassembly and separation, and its installation and disassembly convenience is poor. Summary of the Invention

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a quick-detachable fire extinguishing device.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A quick-release fire extinguishing device includes a hoisting plate, a fixing plate, and a fire extinguisher connected in sequence from top to bottom. A quick-release mechanism is provided between the hoisting plate and the fixing plate, and the quick-release mechanism is engaged with the fire extinguisher. The device is characterized by:

[0006] A circular limit plate is provided on the top of the fire extinguisher, and a limit hole for inserting the limit plate is provided in the middle of the fixed plate, and the limit plate is embedded in the limit hole; the quick-release mechanism includes a guide slide plate rotatably connected to the lifting plate, and a clamping hand that moves radially along the limit hole, the guide slide plate is axially aligned with the limit hole, and an arc-shaped guide groove is provided on the surface, one end of the guide groove is arranged close to the center of the guide slide plate, and the other end of the guide groove extends to the outside of the guide slide plate, the top of the clamping hand is slidably connected in the guide groove, the bottom of the clamping hand is flush with the opening of the limit hole, and the limit plate is clamped between the clamping hand and the limit hole.

[0007] Preferably, the gripper includes a vertically arranged sliding column and a horizontally arranged clamping plate. The sliding column has a cylindrical structure, and the clamping plate has a crescent-shaped structure. The top of the sliding column is slidably connected to the guide groove, and the bottom of the sliding column is fixedly connected to the outside of the clamping plate.

[0008] Preferably, the fixing plate includes a clamping guide block arranged around the outside of the limiting hole, a step-like structure is formed between the clamping guide block and the limiting hole, and the clamping plate overlaps the clamping guide block and slides relatively toward the center of the limiting hole.

[0009] Preferably, the fixing plate includes a sliding orientation groove arranged along the radial direction of the limiting hole, the sliding orientation groove is located between adjacent clamping guide blocks and is connected to the limiting hole, the sliding column is located in the sliding orientation groove and slides relatively toward the center of the limiting hole.

[0010] Preferably, an assembly plate is provided between the guide slide plate and the hanging plate, the assembly plate is embedded in the hanging plate, and a sliding limit groove is provided on the surface of the assembly plate, which is vertically aligned with the sliding directional groove. The sliding column passes through the sliding directional groove and the guide groove from bottom to top, and is slidably connected in the sliding limit groove.

[0011] Preferably, the sliding limit groove is a step groove structure opening upward, including a shoulder arranged relative to the upper side of the assembly plate, and a hanging ring overlapping the shoulder is provided at the top of the sliding column, and the hanging ring is slidably connected to the sliding limit groove.

[0012] Preferably, the number of the clamping hands and guide grooves is three groups, and the three groups of clamping hands and guide grooves are evenly distributed around the center of the limiting hole. During the rotation of the limiting plate, the clamping hands slide along the guide grooves and move closer to or away from the center of the limiting hole.

[0013] Preferably, the guide slide plate is provided with a handle extending outward, and the side wall of the lifting plate is provided with an arc groove corresponding to the position of the handle, and the handle is movably installed in the arc groove.

[0014] Preferably, the hanging plate is provided with a micro motor for driving the guide slide to rotate, and the output shaft of the micro motor passes through the hanging plate and is coaxially connected to the guide slide.

[0015] The utility model has the following beneficial effects:

[0016] The utility model provides a quick-disassembly mechanism, wherein the top end of the fire extinguisher is inserted into the limiting hole, and the limiting plate is embedded in the limiting hole. The guide slide is driven to rotate horizontally by manual or electric means, and the top end of the clamp slides along the guide slide groove. Under the drive of the guide slide, the clamp moves radially along the limiting hole, and the bottom end of the clamp covers the opening of the limiting hole, so that the limiting plate cannot be separated from the limiting hole. The limiting plate is clamped between the clamp and the limiting hole, thereby realizing quick installation and disassembly without the aid of auxiliary tools, and at the same time eliminating the trouble of aligning the installation components one by one, and making installation and disassembly more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the quick-detachable fire extinguishing device of the utility model

[0018] Figure 2 This is a structural diagram of the fire extinguisher of the utility model

[0019] Figure 3 This is a schematic diagram of the assembly of the quick release mechanism of the utility model Figure 1

[0020] Figure 4 This is a schematic diagram of the assembly of the quick release mechanism of the utility model Figure 2

[0021] Figure 5 This is a schematic diagram of the state of the clamping hand and the guide slide of the utility model Figure 1

[0022] Figure 6 This is a schematic diagram of the state of the clamping hand and the guide slide of the utility model Figure 2

[0023] Description of the drawings: lifting plate 1, fixing plate 2, fire extinguisher 3, limit plate 4, limit hole 5, guide slide plate 6, clamping hand 7, guide groove 8, sliding column 9, clamping plate 10, clamping guide block 11, sliding directional groove 12, assembly plate 13, sliding limit groove 14, shoulder 15, hanging ring 16, handle 17, arc groove 18. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Reference Figures 1 to 6 , an embodiment provided by the utility model:

[0026] A quick-release fire extinguishing device includes a hanging plate 1, a fixed plate 2 and a fire extinguisher 3 connected in sequence from top to bottom. A quick-release mechanism is provided between the hanging plate 1 and the fixed plate 2, and the quick-release mechanism is clamped with the fire extinguisher 3: a circular limit plate 4 is provided on the top of the fire extinguisher 3, and a limit hole 5 for inserting the limit plate 4 is provided in the middle of the fixed plate 2, and the limit plate 4 is embedded in the limit hole 5; the quick-release mechanism includes a guide slide 6 rotatably connected to the hanging plate 1, and a clamping hand 7 that moves radially along the limit hole 5. The guide slide 6 is axially aligned with the limit hole 5, and an arc-shaped guide groove 8 is provided on the surface. One end of the guide groove 8 is arranged near the center of the guide slide 6, and the other end of the guide groove 8 extends to the outside of the guide slide 6. The top of the clamping hand 7 is slidably connected in the guide groove 8, and the bottom of the clamping hand 7 is flush with the opening of the limit hole 5, and the limit plate 4 is clamped between the clamping hand 7 and the limit hole 5.

[0027] The hoisting plate 1, fixed plate 2, and fire extinguisher 3 are connected sequentially from top to bottom. The hoisting plate 1 has a space inside to accommodate a quick-release mechanism. The quick-release mechanism is located between the hoisting plate 1 and the fixed plate 2 and is used to snap onto and secure the fire extinguisher 3. The hoisting plate 1 can be fixedly installed on a ceiling, a roof, or other location. The fixed plate 2 is fixedly connected to the hoisting plate 1, and the top of the fire extinguisher 3 is clamped by the quick-release mechanism to achieve a suspended installation of the fire extinguisher 3.

[0028] The limiting plate 4 is located at the top of the fire extinguisher 3 and has a circular structure. The fire extinguisher 3 may include a limiting plate 4, a connecting column, and a bottle body connected sequentially from top to bottom. The limiting plate 4 is fixedly connected to the connecting column, forming an umbrella-like structure. The limiting plate 4 serves as the clamping area of the fire extinguisher 3. The limiting hole 5 is located in the middle of the fixed plate 2 and has a circular structure, coaxially arranged with the fixed plate 2. The diameter of the limiting hole 5 may be larger than the diameter of the limiting plate 4, the depth of the limiting hole 5 may be equal to the thickness of the limiting plate 4, the internal space of the limiting hole 5 may accommodate the limiting plate 4, and the limiting plate 4 may be embedded in the limiting hole 5 and flush with the opening of the limiting hole 5.

[0029] The guide slide 6 is located between the hanging plate 1 and the fixed plate 2, and is rotatably connected to the hanging plate 1 and can rotate in the horizontal direction. The guide slide 6 is axially aligned with the limit hole 5, and an arc-shaped guide groove 8 is provided on the surface. The guide groove 8 is set through, has a waist-shaped groove structure, and is distributed along the arc. One end of the guide groove 8 is set close to the center of the guide slide 6, and the other end of the guide groove 8 extends to the outside of the guide slide 6. It can be understood that the guide groove 8 spirally extends from the center of the guide slide 6 to the outside, and the side wall of the guide groove 8 is a circular arc surface structure, which serves as the guide sliding area of the clamp 7.

[0030] The gripper 7 is located between the guide slide 6 and the fixed plate 2, and has an L-shaped longitudinal section. It may include a vertically arranged sliding column 9 and a horizontally arranged clamping plate 10. The outer side of the clamping plate 10 is connected to the sliding column 9, and the inner side of the clamping plate 10 extends toward the center of the limiting hole 5. The sliding column 9 is located at the top of the gripper 7, and the sliding column 9 is installed in the guide groove 8 and is slidably connected to the guide groove 8. The clamping plate 10 is located at the bottom of the gripper 7, and the clamping plate 10 extends into the fixed plate 2. The fixed plate 2 may be provided with a sliding orientation groove 12 that is engaged with the clamping plate 10, and the sliding orientation groove 12 is radially arranged along the limiting hole 5. During the rotation of the guide slide 6, the sliding column 9 slides in the direction of the guide groove 8, and the clamping plate 10 slides in the direction of the sliding orientation groove 12, thereby converting the rotational motion of the guide slide 6 into the linear motion of the gripper 7. When the clamping hand 7 approaches the center of the limiting hole 5, it can cover the opening of the limiting hole 5 and limit the limiting plate 4 embedded in the limiting hole 5, so that the limiting plate 4 cannot be detached from the limiting hole 5, and the limiting plate 4 is clamped between the clamping hand 7 and the limiting hole 5.

[0031] The utility model provides a quick-release mechanism, so that the top end of the fire extinguisher 3 is inserted into the limiting hole 5, and the limiting plate 4 is embedded in the limiting hole 5. The guide slide 6 is driven to rotate horizontally by manual or electric means, and the top of the clamping hand 7 slides along the guide slide groove 8. Under the drive of the guide slide 6, the clamping hand 7 moves radially along the limiting hole 5, and the bottom of the clamping hand 7 covers the opening of the limiting hole 5, so that the limiting plate 4 cannot be separated from the limiting hole 5. The limiting plate 4 is clamped between the clamping hand 7 and the limiting hole 5, thereby realizing quick installation and disassembly without the aid of auxiliary tools, and at the same time eliminating the trouble of aligning the installation components one by one, and making installation and disassembly more convenient.

[0032] In this embodiment, as a preference, the clamp 7 includes a vertically arranged sliding column 9 and a horizontally arranged clamping plate 10. The sliding column 9 has a cylindrical structure, and the clamping plate 10 has a crescent-shaped structure. The top of the sliding column 9 is slidably connected to the guide groove 8, and the bottom of the sliding column 9 is fixedly connected to the outside of the clamping plate 10.

[0033] The sliding column 9 is located at the top of the clamping hand 7, is vertically arranged, is a cylindrical structure, and extends upward. The clamping plate 10 is located at the bottom of the clamping hand 7, is horizontally arranged, is a crescent-shaped structure, and extends toward the center of the limiting hole 5. The top of the sliding column 9 is located in the guide groove 8 and is slidably connected to the guide groove 8. The bottom of the sliding column 9 is located on the outside of the clamping plate 10 and is fixedly connected to the clamping plate 10. The fixed plate 2 may be provided with a sliding orientation groove 12 that is engaged with the clamping plate 10. The clamping hand 7 is inserted and installed from bottom to top, and the sliding column 9 passes through the sliding orientation groove 12 and the guide groove 8 in turn. The sliding orientation groove 12 is arranged radially along the limiting hole 5. During the rotation of the guide slide 6, the sliding column 9 slides in the direction of the guide groove 8, and the clamping plate 10 slides in the direction of the sliding orientation groove 12, thereby converting the rotational motion of the guide slide 6 into the linear motion of the clamping hand 7.

[0034] In this embodiment, preferably, the fixing plate 2 includes a clamping guide block 11 arranged around the outside of the limiting hole 5, and a step-like structure is formed between the clamping guide block 11 and the limiting hole 5. The clamping plate 10 overlaps the clamping guide block 11 and slides relatively toward the center of the limiting hole 5.

[0035] The clamping guide block 11 is located outside the limiting hole 5, is arranged around the limiting hole 5, and forms a step-like structure with the limiting hole 5. The clamping hand 7 extends into the fixed plate 2, and the clamping plate 10 is located inside the fixed plate 2, flush with the opening of the limiting hole 5, and moves radially along the limiting hole 5. The clamping plate 10 is flush with the clamping guide block 11, and the two overlap each other and can slide relative to each other. The sliding direction is radial to the limiting hole 5, and the clamping plate 10 can move closer to or away from the center of the limiting hole 5. When the clamping plate 10 approaches the center of the limiting hole 5, it can cover the opening of the limiting hole 5 and limit the limiting plate 4 embedded in the limiting hole 5, so that the limiting plate 4 cannot be detached from the limiting hole 5.

[0036] In this embodiment, preferably, the fixed plate 2 includes a sliding orientation groove 12 radially arranged along the limiting hole 5. The sliding orientation groove 12 is located between adjacent clamping guide blocks 11 and is connected to the limiting hole 5. The sliding column 9 is located in the sliding orientation groove 12 and slides relatively toward the center of the limiting hole 5.

[0037] The sliding orientation groove 12 is located outside the limiting hole 5, is arranged radially along the limiting hole 5, and is connected to the limiting hole 5. The sliding orientation groove 12 is located between adjacent clamping guide blocks 11, and can be a plurality of clamping guide blocks 11 arranged around the outside of the limiting hole 5, and adjacent clamping guide blocks 11 are spaced apart to form a sliding orientation groove 12 between the two. The sliding orientation groove 12 is a through-set arrangement, and the sliding column 9 is installed through the sliding orientation groove 12. The top of the sliding column 9 can be slidably connected to the guide groove 8, the middle of the sliding column 9 can be slidably connected to the sliding orientation groove 12, and the bottom of the sliding orientation groove 12 can be fixedly connected to the clamping plate 10. The top of the sliding column 9 slides along the guide groove 8, and the guide groove 8 plays a driving role for the clamping plate 10. The middle of the sliding column 9 slides along the sliding orientation groove 12, and the sliding orientation groove 12 plays a guiding role for the clamping plate 10, thereby converting the rotational motion of the guide plate 6 into the linear motion of the clamping hand 7.

[0038] In this embodiment, as a preference, an assembly plate 13 is provided between the guide slide plate 6 and the hanging plate 1, and the assembly plate 13 is embedded in the hanging plate 1. The surface of the assembly plate 13 is provided with a sliding limit groove 14 which is vertically aligned with the sliding orientation groove 12. The sliding column 9 passes through the sliding orientation groove 12 and the guide groove 8 from bottom to top, and is slidably connected in the sliding limit groove 14.

[0039] The assembly plate 13 is located between the guide slide 6 and the hanging plate 1, and is coaxially arranged with the limiting hole 5. The assembly plate 13 is embedded in the hanging plate 1 and is fixedly connected to the hanging plate 1. The sliding limiting groove 14 is located on the surface of the assembly plate 13, and is vertically aligned with the sliding orientation groove 12, so that the sliding column 9 can be inserted and installed. It can be understood that the sliding column 9 is installed from bottom to top through the sliding orientation groove 12 and the guide groove 8. The top of the sliding column 9 can be slidably connected to the sliding limiting groove 14, the middle of the sliding column 9 can be slidably connected to the guide groove 8, the bottom of the sliding column 9 can be slidably connected to the sliding orientation groove 12, and the clamping plate 10 is fixedly connected to the bottom of the sliding column 9. The sliding limiting groove 14 and the sliding orientation groove 12 are respectively located on the upper and lower sides of the guide groove 8, providing limiting and guiding functions for the sliding column 9, making its movement process smoother.

[0040] In this embodiment, preferably, the sliding limit groove 14 is a step groove structure opening upward, including a shoulder 15 arranged relative to the upper side of the assembly plate 13, and a hanging ring 16 overlapping the shoulder 15 is provided at the top of the sliding column 9, and the hanging ring 16 is slidably connected to the sliding limit groove 14.

[0041] The slide limit groove 14 is a stepped groove structure, with its opening facing upward. A stepped shoulder 15 protrudes from the inside of the slide limit groove 14, positioned relative to the upper side of the assembly plate 13. A hanging ring 16 is located at the top of the slide post 9 and is detachably connected to the slide post 9. After the slide post 9 passes from bottom to top through the slide orientation groove 12, the guide groove 8, and the slide limit groove 14, the hanging ring 16 is tightened onto the top of the slide post 9. The hanging ring 16 overlaps the shoulder 15 and slides into the slide limit groove 14, thereby suspending the gripper 7 from the assembly plate 13.

[0042] In this embodiment, preferably, the number of clamping hands 7 and guide grooves 8 is three groups, and the three groups of clamping hands 7 and guide grooves 8 are evenly distributed around the center of the limiting hole 5. During the rotation of the limiting plate 4, the clamping hands 7 slide along the guide grooves 8 and move closer to or away from the center of the limiting hole 5.

[0043] There are three groups of grippers 7 and guide slots 8, which are evenly distributed around the center of the limiting hole 5. The angles between each group of grippers 7 and guide slots 8 are 120 degrees apart. Driven by the limiting plate 4, the grippers 7 are slidably connected to the guide slots 8, and the three groups of grippers 7 move radially along the limiting hole 5, while simultaneously moving closer to or away from the center of the limiting hole 5. When the grippers 7 approach the center of the limiting hole 5, they can cover the opening of the limiting hole 5 and limit the limiting plate 4 embedded in the limiting hole 5, so that the limiting plate 4 cannot be detached from the limiting hole 5, and the limiting plate 4 is clamped between the grippers 7 and the limiting hole 5.

[0044] In this embodiment, as a preference, the guide slide plate 6 is provided with a handle 17 extending outward, and the side wall of the hanging plate 1 is provided with an arc groove 18 corresponding to the position of the handle 17 , and the handle 17 is movably installed in the arc groove 18 .

[0045] A handle 17 is provided on the side wall of the guide plate 6 and extends outward, serving as a hand-held component. An arcuate slot 18 is provided on the side wall of the hoisting plate 1, corresponding to the position of the handle 17. The handle 17 is movably mounted within the arcuate slot 18. Rotating the handle 17 drives the guide plate 6 to rotate horizontally, thereby activating the quick-release mechanism, engaging the limit plate 4 to install the fire extinguisher 3, or releasing the limit plate 4 to remove the fire extinguisher 3, achieving manual control.

[0046] In this embodiment, preferably, the hanging plate 1 is provided with a micro motor for driving the guide slide 6 to rotate, and the output shaft of the micro motor passes through the hanging plate 1 and is coaxially connected to the guide slide 6.

[0047] A micromotor is installed at the top of the hoisting plate 1, facing downward, and serves as the electronic control component. The micromotor's output shaft passes through the hoisting plate 1 and is coaxially connected to the guide plate 6. Driven by the micromotor, the guide plate 6 rotates horizontally, which in turn activates the quick-release mechanism, engaging the limit plate 4 to install the fire extinguisher 3, or releasing the limit plate 4 to remove the fire extinguisher 3, achieving electronic control.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick-release fire extinguishing device, comprising a hoisting plate, a fixing plate, and a fire extinguisher connected in sequence from top to bottom, wherein a quick-release mechanism is provided between the hoisting plate and the fixing plate, and the quick-release mechanism is engaged with the fire extinguisher, and characterized in that: A circular limit plate is provided on the top of the fire extinguisher, and a limit hole for inserting the limit plate is provided in the middle of the fixed plate, and the limit plate is embedded in the limit hole; the quick-release mechanism includes a guide slide plate rotatably connected to the lifting plate, and a clamping hand that moves radially along the limit hole, the guide slide plate is axially aligned with the limit hole, and an arc-shaped guide groove is provided on the surface, one end of the guide groove is arranged close to the center of the guide slide plate, and the other end of the guide groove extends to the outside of the guide slide plate, the top of the clamping hand is slidably connected in the guide groove, the bottom of the clamping hand is flush with the opening of the limit hole, and the limit plate is clamped between the clamping hand and the limit hole.

2. A quick-release fire extinguishing device according to claim 1, characterized in that: The gripper includes a vertically arranged sliding column and a horizontally arranged clamping plate. The sliding column has a cylindrical structure and the clamping plate has a crescent-shaped structure. The top of the sliding column is slidably connected to the guide groove, and the bottom of the sliding column is fixedly connected to the outside of the clamping plate.

3. A quick-release fire extinguishing device according to claim 2, characterized in that: The fixing plate includes a clamping guide block arranged around the outer side of the limiting hole, a step-shaped structure is formed between the clamping guide block and the limiting hole, and the clamping plate overlaps the clamping guide block and slides relatively toward the center of the limiting hole.

4. A quick-release fire extinguishing device according to claim 3, characterized in that: The fixing plate includes a sliding orientation groove arranged along the radial direction of the limiting hole. The sliding orientation groove is located between adjacent clamping guide blocks and is connected to the limiting hole. The sliding column is located in the sliding orientation groove and slides relatively toward the center of the limiting hole.

5. The quick-release fire extinguishing device according to claim 4, characterized in that: An assembly plate is provided between the guide slide plate and the hanging plate, and the assembly plate is embedded in the hanging plate. A sliding limit groove is provided on the surface of the assembly plate and is vertically aligned with the sliding directional groove. The sliding column passes through the sliding directional groove and the guide groove from bottom to top, and is slidably connected in the sliding limit groove.

6. The quick-release fire extinguishing device according to claim 5, characterized in that: The sliding limit groove is a step groove structure with an opening upward, including a shoulder arranged relative to the upper side of the assembly plate, and a hanging ring overlapping the shoulder is provided at the top of the sliding column, and the hanging ring is slidably connected to the sliding limit groove.

7. The quick-release fire extinguishing device according to claim 1, characterized in that: There are three groups of grippers and guide slots, which are evenly distributed around the center of the limiting hole. During the rotation of the limiting plate, the grippers slide along the guide slots and move closer to or away from the center of the limiting hole.

8. The quick-release fire extinguishing device according to claim 7, characterized in that: The guide slide plate is provided with a handle extending outward, and the side wall of the lifting plate is provided with an arc groove corresponding to the position of the handle, and the handle is movably installed in the arc groove.

9. The quick-release fire extinguishing device according to claim 7, characterized in that: The hanging plate is provided with a micro motor for driving the guide slide plate to rotate, and the output shaft of the micro motor passes through the hanging plate and is coaxially connected with the guide slide plate.

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