A new type of fire extinguisher valve structure

Abstract

The present invention relates to a novel fire extinguisher valve structure, comprising a valve seat, a hand-pressed handle is provided at the top of the valve seat, a handle is provided at the bottom of the handle and is fixed to the valve seat, a valve port is provided on the side of the valve seat and is controlled by the handle and is in air communication with the valve seat, an annular groove is provided on the valve port corresponding to between an adapter and the valve seat, a multi-function plate is connected to the annular groove, a jack is provided on the adapter, a pull ring surrounds the periphery of the adapter and a part of the pull ring is eccentric to the axis of the adapter and is tilted toward one side of the multi-function plate, when extinguishing a fire, since the nozzle can rotate with the multi-function plate, a large-scale fire extinguishing operation can be carried out on the fire source, the nozzle arranged on the multi-function plate surrounds the nozzle, and when working, the medium can be concentrated on the fire source for spraying to avoid waste of the medium, the setting of the multi-function plate also forms a certain isolation between the operator and the valve port, and with the assistance of the nozzle, the medium can be prevented from being sprayed back onto the human body.

Description

Technical Field

[0001] The present invention relates to the technical field of valves, and in particular to a novel fire extinguisher valve structure. Background Art

[0002] A fire extinguisher is a portable fire-fighting tool. It contains chemicals (fire extinguishing media, such as dry powder) and has a pneumatic fire extinguishing valve. The valve consists of a fixed handle and a hand-held handle hinged to the handle, which is pressurized to the fire extinguisher tank. When in use, the handle is pressed down, triggering the valve to release the gas in the fire extinguisher tank. Simultaneously, the fire extinguisher sprays the liquid in the fire extinguisher tank onto the fire source, extinguishing it.

[0003] When using a fire extinguisher, you need to operate the handle with force. Only after the handle is pressed can the medium in the fire extinguisher tank be controlled to be sprayed outward with air pressure. For larger fire extinguishers, two-handed operation is required during the fire extinguishing operation. When in use, one hand holds the fire extinguisher tank to play an auxiliary role, and the other hand holds the handle and presses hard to complete the fire extinguishing operation. Since the surface of the fire extinguisher tank is smooth, the hand holding the fire extinguisher tank will slip, causing the hand pressing the handle to press with greater force, which is inconvenient to operate. In addition, the fire extinguishing medium is easy to spread at the valve end when sprayed out from the nozzle, resulting in waste of the fire extinguishing medium that spreads when extinguishing the fire source. Summary of the Invention

[0004] Based on the above problems, the present invention provides a new fire extinguisher valve structure, which not only improves the fire extinguishing efficiency, but also the multifunctional plate can ensure that the large-sized fire extinguisher tank can be used to operate the valve with a grip to facilitate operation.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A new type of fire extinguisher valve structure, including a valve seat, the top of the valve seat is provided with a hand-pressed handle, the bottom of the handle is provided with a handle fixed to the valve seat, the side of the valve seat is provided with a valve port controlled by the handle and air-connected to the valve seat, the valve port is provided with an adapter connected to a nozzle and allowing the nozzle to be controlled by the handle, the valve port is provided with an annular groove corresponding to between the adapter and the valve seat, the annular groove is connected to a multi-function plate, the inner side of the multi-function plate is provided with a pull ring, the adapter is provided with a socket, the pull ring surrounds the periphery of the adapter and a part of the pull ring is eccentric to the axis of the adapter and deflected toward one side of the multi-function plate, so that when the multi-function plate is manually grasped to rotate the multi-function plate, the pull ring can also be grasped by the inner side of the multi-function plate, and at the same time the pull ring follows The multi-function plate rotates synchronously, and the pull ring is eccentric to the adapter at a position where a rod is fixed that can be synchronously displaced in a direction toward one side of the multi-function plate. The rod can extend into the socket while following the synchronous displacement of the pull ring, so that the adapter is connected to the pull ring through the rod, and the multi-function plate drives the pull ring to rotate synchronously while driving the nozzle to rotate synchronously through the adapter. A steel wire is connected between the multi-function plate and the handle, and when the multi-function plate drives the adapter to rotate, it drives the handle to press down synchronously through the steel wire, so that the adapter rotates with the nozzle and can perform intermittent, large-scale fire extinguishing operations on the fire source synchronously with the downward action of the handle. An air-assisting mechanism is provided between the valve seat and the multi-function plate, which allows the fire extinguishing medium to be concentrated on the same side of the valve port and sprayed when the handle is opened.

[0007] As a further preferred embodiment: a guide rail that can rotate with the multi-function board is provided in the multi-function board, and a sliding rod that slides in the guide rail is connected to the pull ring, so that when the multi-function board is grasped and the pull ring is pulled synchronously to move smoothly toward the grasping area of ​​the multi-function board, the pull ring can also complete the rotation action with the multi-function board.

[0008] As a further preferred embodiment: there are at least two sockets, the number of the insertion rods is equal to the sockets, the two sockets correspond to the insertion rods, and the number of the insertion rods is equal to the insertion rods, a sink cavity is opened on the multi-function board, and the sink cavity surrounds the periphery of the guide rail.

[0009] As a further preference: the multifunctional board is a trumpet cover structure, with its open end facing the valve port and its closed end facing away from the handle and the handle, so that the valve port is isolated from the handle and the handle, the adapter, pull ring and insert rod correspond to the open end of the multifunctional board, the steel wire is connected to the back of the multifunctional board, and the other end of the steel wire passes through the valve seat and is connected to the handle.

[0010] As a further preference: the outer edge portion of the multifunctional board is a flexible board, the portion of the multifunctional board connected to the valve port through the annular groove is a hard material board, and the overall shape of the multifunctional board is an elliptical trumpet cover with the opening direction facing the same side as the valve port.

[0011] As a further preferred embodiment: a guide groove is provided on the valve seat, one end of the guide groove extends upward to the top of the valve seat and corresponds to the bottom of the handle, the other end of the guide groove passes through the front of the valve seat and faces the multi-function plate, a connecting plate is fixed on the multi-function plate, a return spring extending to the upper and lower ends thereof is provided in the guide groove, the top of the return spring is provided with a slider that slides in the guide groove, the steel wire passes through the guide groove, one end of the steel wire passes through the valve seat and is connected to the connecting plate, the other end of the steel wire passes through the top of the return spring, passes through the handle, and is connected to the slider and the handle in sequence.

[0012] As a further preferred embodiment: the air-assisting mechanism includes a nozzle, one end of the nozzle is connected to the adapter, the other end of the nozzle is folded and bent and leans toward the open end of the multi-function board, and the nozzle direction of the nozzle is on the same side as the valve port, there are several nozzles, and the nozzles in the several locations surround the periphery of the valve port and the adapter, and the air mechanism also includes a filter head fixed at the inner end of the nozzle and located in the adapter.

[0013] As a further preferred embodiment, a limited gap is formed between the pull ring and the multifunctional plate, and the size of the limited gap is smaller than the diameter of the valve port.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] A rotation groove is provided on the valve port of the valve, and an adapter is provided on the valve port through the rotation groove. A multi-function plate is provided on the periphery of the valve port by utilizing the rotation characteristic of the adapter, and a pull ring is provided between the multi-function plate and the valve port. The setting of the multi-function plate and the pull ring has two functions: first, when opening the valve, the operator can not only grasp the fire extinguisher tank firmly by grasping the multi-function plate with one hand, but also plug the adapter into the multi-function plate through the pull ring, so that the operator can grasp the fire extinguisher firmly by grasping the multi-function plate, and the adapter can be driven to rotate by rotating the multi-function plate. , the adapter will rotate synchronously with the sprinkler head connected to it. As we all know, the sprinkler head is also the fire extinguishing pipe on the fire extinguisher. When the medium is ejected outward from the fire extinguisher, it is ejected outward from the sprinkler head. When extinguishing a fire, since the sprinkler head can rotate with the multi-function board, a large-scale fire extinguishing operation can be carried out on the fire source. The nozzle set on the multi-function board surrounds the sprinkler head. When working, the medium can be concentrated on the fire source for spraying to avoid waste of the medium. The setting of the multi-function board also forms a certain isolation between the operator and the valve port, and with the auxiliary action of the nozzle, it can prevent the medium from being sprayed back onto the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention under the main viewing angle;

[0017] Figure 2 The present invention is Figure 1 The main view plane structure diagram is drawn;

[0018] Figure 3 This is a schematic diagram of the internal structure of the present invention after being cut open;

[0019] Figure 4 The present invention is Figure 2 The schematic diagram of the structure from the bottom upward perspective is introduced;

[0020] Figure 5 This is a schematic diagram of the present invention in which the back of the valve seat is disassembled to view the guide groove and the structure for smoothly guiding the steel wire using the guide groove;

[0021] Figure 6 This is a schematic diagram of the positional relationship and matching structure of the pull ring when it is removed from the multi-function board in the present invention, focusing on the positional relationship and structural diagram of the insertion rod on the pull ring and the socket on the adapter;

[0022] Figure 7 The present invention is Figure 1 or Figure 5 Schematic diagram of the structure from the perspective of the open end of the multi-function board.

[0023] In the figure: 1. Valve seat; 2. Handle; 3. Lever; 4. Valve port; 5. Adapter; 6. Ring groove; 7. Multi-function plate; 8. Pull ring; 9. Insert rod; 10. Socket; 11. Steel wire; 12. Guide rail; 13. Slide rod; 14. Guide groove; 15. Connecting plate; 16. Sink cavity; 18. Hard material plate; 19. Air-assisting mechanism; 20. Nozzle; 21. Filter head; 22. Limit gap; 23. Return spring; 24. Slider. DETAILED DESCRIPTION

[0024] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention.

[0027] Refer to the attached Figure 1-7 The top of the valve seat 1 is provided with a hand-pressed handle 2, and the bottom of the handle 2 is provided with a handle 3 fixed to the valve seat 1. The side of the valve seat 1 is provided with a valve port 4 controlled by the handle 2 and connected to the valve seat 1. The valve port 4 is provided with an adapter 5 connected to a nozzle and controlling the nozzle by the handle 2. The valve port 4 is provided with an annular groove 6 corresponding to the space between the adapter 5 and the valve seat 1. The annular groove 6 is connected to the multi-function plate 7. The inner side of the multi-function plate 7 is provided with a pull ring 8. The adapter 5 is provided with a socket 10. The pull ring 8 surrounds the periphery of the adapter 5 and a part of the pull ring 8 is eccentric to the axis of the adapter 5 and is tilted toward one side of the multi-function plate 7, so that when the multi-function plate 7 is manually grasped to rotate the multi-function plate 7, the pull ring 8 can also be grasped by the inner side of the multi-function plate 7, and at the same time, the pull ring 8 rotates synchronously with the multi-function plate 7. The position of the joint 5 is fixed with an insertion rod 9 which can be displaced synchronously with the direction of the multi-function board 7. The insertion rod 9 can extend into the insertion hole 10 while following the synchronous displacement of the pull ring 8. There are at least two insertion holes 10, and the number of the insertion rods 9 is equal to the insertion holes 10. The two insertion holes 10 correspond to the insertion rod 9, and the number of the insertion rods 9 is equal to the insertion rod 9. A sink cavity 16 is provided on the multi-function board 7, and the sink cavity 16 surrounds the periphery of the guide rail 12, so that the adapter 5 is connected to the pull ring 8 through the insertion rod 9, and the multi-function board 7 drives the pull ring 8 to rotate synchronously while driving the nozzle to rotate synchronously through the adapter 5. A steel wire 11 is connected between the multi-function board 7 and the handle 2. When the multi-function board 7 drives the adapter 5 to rotate, it drives the handle 2 to press down synchronously through the steel wire 11, so that the adapter 5 can rotate with the nozzle while being able to synchronize with the downward action of the handle 2 to implement intermittent and large-scale fire extinguishing operations on the fire source.

[0028] In summary, when assembling Figure 1 or Figure 2 As shown, the valve of this structure is installed on the fire extinguishing tank using the threaded tube at the bottom of the valve seat 1, and the fire extinguishing pipe for spraying the fire extinguishing medium is connected to the adapter 5. Together, they form a complete fire extinguisher. When using the fire extinguisher, one hand is not held on the fire extinguishing tank as in the prior art, but is grasped on the multi-function plate 7. This grasping method prevents the hand from slipping on the fire extinguishing tank and improves the grasping strength, while the other hand grasps the valve. In addition to using the multi-function plate 7 to lift the fire extinguisher, the hand grasping the multi-function plate 7 also uses the middle finger to hook the pull ring 8 and drag it toward the grasping area of ​​the multi-function plate 7. , so that the pull ring 8 drives the plug rod 9 to extend the inner end of the plug rod 9 into the socket 10, so that the adapter 5 is connected to the pull ring 8. At this time, manually rotate the multi-function plate 7 to make the adapter 5 rotate synchronously with the multi-function plate 7, and the adapter 5 will use the plug rod 9 to rotate with the fire extinguishing pipe. While the multi-function plate 7 rotates, it will also use the connecting plate 15 to drag the steel wire 11 downward. When the steel wire 11 is dragged downward, it will also drag the handle 2 downward. It is well known that the handle 2 is a downward-pressing component when the valve is opened. Therefore, when the handle 2 is dragged downward, it will press down, and use its downward pressing action to open the valve, and the fire extinguishing medium in the fire extinguisher tank will be released. The medium will enter the valve seat 1, and then enter the valve port 4 and the adapter 5 in turn, and finally be ejected outward from the fire extinguishing pipe connected to the adapter 5. Since the action of opening the handle 2 comes from the rotation of the multi-function plate 7, and the multi-function plate 7 is blocked between the adapter 5 (i.e. the fire extinguishing pipe) and the handle 2 and other components, and the operator is located on the side of the handle 2, in addition to using the multi-function plate 7 to improve the grip of the fire extinguisher, the rotation of the multi-function plate 7 is also used to open the fire extinguisher, and under the shield of the multi-function plate 7, the medium is prevented from flying back to the human body when it is ejected. The rotational action causes the handle 2 to open, combining the gripping and opening actions. This not only facilitates a firm grip on the fire extinguisher, but also facilitates quick opening of the fire extinguisher. Simultaneously, the pull ring 8 is hooked, causing the inner end of the plug rod 9 to extend into the socket 10, causing the adapter 5 to rotate synchronously with the multi-function plate 7. As a result, when the fire extinguishing pipe connected to the adapter 5 sprays the fire extinguishing medium outward, the sprayed medium is sprayed onto the fire source in a spiral jet pattern. The medium is diffusely distributed near the fire source, allowing efficient fire extinguishing operations to be implemented on the spreading fire source during spraying, thereby improving fire extinguishing efficiency. As can be seen from the distribution structure, the pull ring 8 is biased toward one side of the multi-function plate 7 and is located within the opening of the bell mouth of the multi-function plate 7. Therefore, while grasping the multi-function plate 7, it is also convenient to quickly hook and pull the pull ring 8. At the same time, the pull ring 8 can also be stored and protected when not in use.

[0029] A guide rail 12 that can rotate with the multi-function board 7 is provided in the multi-function board 7, and a slide rod 13 that slides into the guide rail 12 is connected to the pull ring 8, so that when the multi-function board 7 is grasped and the pull ring 8 is pulled synchronously to move smoothly toward the grasping area of ​​the multi-function board 7, the pull ring 8 can also complete the rotation action with the multi-function board 7.

[0030] An air assist mechanism 19 is provided between the valve seat 1 and the multifunctional plate 7 to concentrate the fire extinguishing medium on the same side as the valve port 4 when the handle 2 is opened. Figure 1 、 Figure 3 、 Figure 5 as well as Figure 7 As shown: the air-assisting mechanism 19 includes a nozzle 20, one end of the nozzle 20 is connected to the adapter 5, and the other end of the nozzle 20 is folded and bent and leans toward the open end of the multi-function plate 7, and the nozzle direction of the nozzle 20 is on the same side as the valve port 4. There are several nozzles 20, and the nozzles 20 at several locations surround the periphery of the valve port 4 and the adapter 5. The air-assisting mechanism 19 also includes a filter head 21 fixed to the inner end of the nozzle 20 and located in the adapter 5. When the multi-function plate 7 rotates, in addition to using the steel wire 11 to pull the handle 2 downward to open the valve, it will also rotate with the multi-function plate 7 with the adapter 5 through the pull ring 8, and will also rotate synchronously with all the nozzles 20. These nozzles 20 are connected to the adapter 5, and the adapter 5 is connected to the valve port 4. When the valve is exhausted, the gas is ejected outward from the valve port 4. Since the nozzle 20 is connected to the adapter 5, and the inner end of the nozzle 20 has a filter head 21 located in the adapter 5 and connected to the valve port 4, when the handle 2 is pressed down to eject the fire extinguishing medium from the valve port 4, part of the medium will be blocked by the filter head 21, which will help the gas ejected by the medium. The gases are sprayed outward through these nozzles 20. Since these nozzles 20 surround the periphery of the valve port 4 and the nozzles of these nozzles 20 are provided with nozzles inclined toward the valve port 4, when these gases are sprayed outward, a gas wall curtain is formed outside the valve port 4 under the guidance of the nozzles 20 and the nozzles. The gas wall curtain constitutes a layer of shielding outside the valve port 4 to prevent the medium from spreading to the surroundings when the pipe connected to the valve port 4 sprays the medium outward. Even if there is medium that spreads to the surroundings, it will be sprayed toward the end of the pipe due to the shielding reason, assisting the multi-function board 7 to prevent the medium from falling on the human body when it splashes back, and also makes the medium concentrate on the fire source.

[0031] like Figure 1 、 Figure 4 as well as Figure 6As shown: the multi-function plate 7 is a trumpet cover structure, the open end of which faces the valve port 4, and the closed end of the multi-function plate 7 faces away from the handle 2 and the lever 3, so that the valve port 4 is isolated from the handle 2 and the lever 3, the adapter 5, the pull ring 8 and the insert rod 9 form protection corresponding to the open end of the multi-function plate 7, the steel wire 11 is connected to the back of the multi-function plate 7, and the other end of the steel wire 11 passes through the valve seat 1 and is connected to the handle 2, and the power when the multi-function plate 7 rotates is transmitted to the handle 2 through the steel wire 11, that is, when the multi-function plate 7 is manually rotated, it will also drive the handle 2 to complete the downward action. The handle 2 is the existing opening technology on the valve, that is, the handle 2 opens the valve while the multi-function plate 7 rotates.

[0032] like Figure 5 As shown: a guide groove 14 is provided on the valve seat 1, one end of the guide groove 14 extends upward to the top of the valve seat 1 and corresponds to the bottom of the handle 2, the other end of the guide groove 14 passes through the front of the valve seat 1 and faces the multi-function plate 7, a connecting plate 15 is fixed on the multi-function plate 7, a return spring 23 is provided in the guide groove 14 extending to the upper and lower ends thereof, the top of the return spring 23 is provided with a slider 24 that slides in the guide groove 14, the steel wire 11 passes through the guide groove 14, one end of the steel wire 11 passes through the valve seat 1 and is connected to the connecting plate 15, the other end of the steel wire 11 passes through the top of the return spring 23, passes through the handle 3, and is connected to the slider 24 and the handle 2 in sequence. When the multi-function plate 7 rotates, it will drive the connecting plate 15 to rotate. When the connecting plate 15 rotates, it will drag the steel wire 11 downward. The steel wire 11 will be pulled downward along the guide groove 14. At the same time, it will drag the handle 2 downward, causing the handle 2 to complete the downward depression and the valve to complete the opening action. When the steel wire 11 is dragged downward along the guide groove 14, it will also drag the slider 24 downward along the guide groove 14. Because the slider 24 slides in the guide groove 14, it can form a stable guide for the steel wire 11 when it moves downward, and it can also ensure that the handle 2 is pressed more smoothly while the downward depression action is more stable, avoiding the handle 2 from rotating sideways when the downward depression action is performed, which may affect its service life. Therefore, the guide groove 14 and the slider 24 in the guide groove 14 are on the same vertical line as the handle 2.

[0033] like Figure 3As shown, the outer edge of the multifunctional plate 7 is a flexible plate, that is, the outer edge is reducible and retractable, and the portion of the multifunctional plate 7 connected to the valve port 4 through the annular groove 6 is a hard material plate 18, which satisfies the multifunctional plate 7 and does not deform when rotating around the annular groove 6 on the valve port 4. The overall shape of the multifunctional plate 7 is an elliptical trumpet cover with the opening direction facing the same side as the valve port 4; a limited gap 22 is formed between the pull ring 8 and the multifunctional plate 7, and the size of the limited gap 22 is smaller than the diameter of the valve port 4: since the size of the limited gap 22 is smaller than the diameter of the valve port 4, In actual use, the diameter of the pipe where the nozzle is connected to the valve port 4 will definitely be larger than the size of the limit gap 22, that is, after the fire extinguishing operation is completed, the pipe where the nozzle is located can be bundled and pressed around the valve port 4 in the limit gap 22. Since the pipe where the nozzle is located is flexible, it will be located in the limit gap 22 after being bundled and pressed around the periphery of the valve port 4, that is, it will be reasonably received by the multifunctional plate 7 of the trumpet cover structure. Combined with the flexible characteristics of the outer edge of the multifunctional plate 7, the entire valve is installed on the fire extinguisher tank to form a complete set of fire extinguishers, which can be reasonably received in the fire extinguishing box when used.

[0034] The foregoing descriptions of specific exemplary embodiments of the present invention are for purposes of illustration and description. These descriptions are not intended to limit the invention to the precise forms disclosed, and it is apparent that many variations and modifications are possible in light of the foregoing teachings. The exemplary embodiments have been selected and described for the purpose of explaining the specific principles of the invention and their practical application, thereby enabling those skilled in the art to realize and utilize a variety of exemplary embodiments of the invention and various options and modifications. The scope of the invention is intended to be defined by the claims and their equivalents.

Claims

1. A new type of fire extinguisher valve structure, characterized by: The invention comprises a valve seat (1), the top of the valve seat (1) is provided with a hand-pressed handle (2), the bottom of the handle (2) is provided with a lever (3) fixed on the valve seat (1), the side of the valve seat (1) is provided with a valve port (4) which is controlled by the handle (2) and is gas-connected to the valve seat (1), the valve port (4) is provided with an adapter (5) connected to a nozzle and making the nozzle controlled by the handle (2), the valve port (4) is provided with an annular groove (6) corresponding to the adapter (5) and the valve seat (1), the annular groove (6) is connected to the nozzle. A multifunctional board (7) is provided with a pull ring (8) on the inner side of the multifunctional board (7), and a socket (10) is provided on the adapter (5). The pull ring (8) surrounds the outer periphery of the adapter (5) and a portion of the pull ring (8) is eccentric to the axis of the adapter (5) and tilted toward one side of the multifunctional board (7), so that when the multifunctional board (7) is manually grasped to rotate the multifunctional board (7), the pull ring (8) can also be grasped by the inner side of the multifunctional board (7), and at the same time, the pull ring (8) can follow the rotation of the multifunctional board (7). The multifunctional plate (7) rotates synchronously, and a plug rod (9) is fixed on a position of the pull ring (8) eccentric to the adapter (5) and can be synchronously displaced in a direction toward one side of the multifunctional plate (7). The plug rod (9) can be extended into the insertion hole (10) while following the synchronous displacement of the pull ring (8), so that the adapter (5) is connected to the pull ring (8) through the plug rod (9), and the multifunctional plate (7) drives the pull ring (8) to rotate synchronously, and drives the nozzle to rotate synchronously through the adapter (5). The multifunctional plate (7) and A steel wire (11) is connected between the handles (2), and when the multifunctional plate (7) drives the adapter (5) to rotate, the steel wire (11) synchronously drives the handle (2) to press downward, so that the adapter (5) can rotate with the nozzle and simultaneously synchronize with the downward movement of the handle (2) to implement intermittent and large-scale fire extinguishing operations on the fire source. An air assist mechanism (19) is provided between the valve seat (1) and the multifunctional plate (7) so that when the handle (2) is opened, the fire extinguishing medium is concentrated in the direction of the valve port (4) on the same side as the nozzle. The air-assisting mechanism (19) includes a nozzle (20), one end of which is connected to the adapter (5), and the other end of the nozzle (20) is folded and bent to lean against the open end of the multi-function plate (7), and the nozzle direction of the nozzle (20) is on the same side as the valve port (4). There are multiple nozzles (20), and the nozzles (20) at multiple locations surround the periphery of the valve port (4) and the adapter (5). The air-assisting mechanism (19) also includes a filter head (21) fixed to the inner end of the nozzle (20) and located in the adapter (5).

2. The novel fire extinguisher valve structure according to claim 1 is characterized in that: The multifunctional board (7) is provided with a guide rail (12) capable of rotating therewith, and the pull ring (8) is connected with a slide bar (13) that is slidably fitted in the guide rail (12), so that when the multifunctional board (7) is grasped and the pull ring (8) is pulled synchronously to move smoothly toward the grasping area of ​​the multifunctional board (7), the pull ring (8) can also complete the rotation action with the multifunctional board (7).

3. The novel fire extinguisher valve structure according to claim 2 is characterized in that: There are at least two jacks (10), the number of the insertion rods (9) is equal to the jacks (10), the jacks (10) correspond to the insertion rods (9), a sinking cavity (16) is provided on the multifunctional board (7), and the sinking cavity (16) surrounds the periphery of the guide rail (12).

4. The novel fire extinguisher valve structure according to claim 3 is characterized in that: The multifunctional plate (7) is a trumpet cover structure, with its open end facing the valve port (4) and its closed end facing away from the handle (2) and the handle (3), so that the valve port (4) is isolated from the handle (2) and the handle (3); the adapter (5), the pull ring (8) and the insert rod (9) are corresponding to the open end of the multifunctional plate (7); the steel wire (11) is connected to the back of the multifunctional plate (7); and the other end of the steel wire (11) passes through the valve seat (1) and is connected to the handle (2).

5. The novel fire extinguisher valve structure according to claim 4 is characterized in that: The outer edge portion of the multifunctional plate (7) is a flexible plate, the portion of the multifunctional plate (7) connected to the valve port (4) through the annular groove (6) is a hard material plate (18), and the overall shape of the multifunctional plate (7) is an elliptical trumpet cover with its opening facing the same side as the valve port (4).

6. The novel fire extinguisher valve structure according to claim 5 is characterized in that: The valve seat (1) is provided with a guide groove (14), one end of the guide groove (14) extends upward to the top of the valve seat (1) and corresponds to the bottom of the handle (2), the other end of the guide groove (14) passes through the front of the valve seat (1) and faces the multi-function plate (7), a connecting plate (15) is fixed on the multi-function plate (7), a return spring (23) extending to the upper and lower ends thereof is provided in the guide groove (14), the top end of the return spring (23) is provided with a slider (24) slidingly fitted in the guide groove (14), the steel wire (11) passes through the guide groove (14), one end of the steel wire (11) passes through the valve seat (1) and is connected to the connecting plate (15), the other end of the steel wire (11) passes through the top end of the return spring (23) and passes through the slider (24) and is connected to the handle (3) and the handle (2) in sequence.

7. The novel fire extinguisher valve structure according to claim 1 is characterized in that: A limiting gap (22) is formed between the pull ring (8) and the multifunctional plate (7), and the size of the limiting gap (22) is smaller than the diameter of the valve port (4).

Images