Chemical fire safety device
Patent Information
- Application Number
- CN202410492054.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2026-10-16
AI Technical Summary
[0004]有鉴于此,本发明的目的在于提供一种化工消防安全装置,以解决现有技术中的消防喷淋系统的喷头大多只能针对固定方向进行喷洒,且单个喷头喷洒的范围较小,灭火的范围较小,实用性较差的问题
[0017] This chemical fire safety device delivers fire-fighting water through a first water supply pipe, a corrugated pipe, and a second water supply pipe. The fire-fighting water flows out from the outlet of the second water supply pipe. The fire-fighting water in the second water supply pipe drives a first impeller to rotate. During the rotation of the first impeller, it drives a first shaft and a first gear to rotate. The first gear rotates on its own axis while also revolving around a second gear. The pipe body of the second water supply pipe swings under the transmission of the first and second gears. This swinging motion of the second water supply pipe allows for a wider spray range of the fire-fighting water and a larger fire-fighting area.
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Figure CN122912412A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of chemical fire protection equipment technology, and specifically to a chemical fire safety device. Background Technology
[0002] In chemical production processes, the risk of fire is high due to the flammability of raw materials, products, and intermediates, as well as the high temperatures and pressures that may occur during reactions. Common fire extinguishing devices in chemical plants include fire sprinkler systems, which use water to extinguish fires at the source when a fire occurs.
[0003] However, most of the sprinkler heads in existing fire sprinkler systems can only spray in a fixed direction, and the spray range of a single sprinkler head is small, resulting in a small fire extinguishing range and poor practicality. Summary of the Invention
[0004] In view of this, the purpose of the present invention is to provide a chemical fire safety device to solve the problems that most of the sprinkler heads in the existing fire sprinkler system can only spray in a fixed direction, and the spray range of a single sprinkler head is small, the fire extinguishing range is small, and the practicality is poor.
[0005] This invention is achieved through the following technical solution:
[0006] A chemical fire safety device includes a first water supply pipe for conveying fire-fighting water, with a second water supply pipe connected to the first water supply pipe; a corrugated pipe connecting one end of the second water supply pipe to the first water supply pipe; a first impeller disposed inside the second water supply pipe, with a first rotating shaft passing through the center of the first impeller and fixedly connected to the first impeller; both ends of the first rotating shaft extending laterally through the sidewalls of the second water supply pipe and rotatably connected to the sidewalls of the second water supply pipe; the first impeller can be propelled by the thrust of the fire-fighting water inside the second water supply pipe. The first impeller rotates downwards; a diversion component is installed inside the second water supply pipe, the diversion component is located on the side of the first impeller facing the first water supply pipe, the diversion component is used to guide the fire-fighting water in the second water supply pipe to one side of the first impeller; a support component is fixedly connected to the first water supply pipe, and the first rotating shaft is slidably connected to the support component; a first gear is fixedly connected to both ends of the first rotating shaft, and a second gear is fixedly connected to the support component, which meshes with the two first gears respectively; during the rotation of the first impeller, the pipe body of the second water supply pipe is driven to swing under the transmission action of the first gear and the second gear.
[0007] Furthermore, the diversion assembly includes a diversion plate fixedly connected inside the second water supply pipe. The diversion plate has a first through hole and a second through hole, which are located on both sides of the axis of the first rotating shaft. A first solenoid valve and a second solenoid valve are fixedly connected inside the first through hole and the second through hole, respectively. When the first solenoid valve or the second solenoid valve is in the conducting state, the first impeller rotates along the axial direction of the first rotating shaft.
[0008] Furthermore, a nozzle is connected to the end of the second water supply pipe that is away from the first water supply pipe.
[0009] Furthermore, a ball joint connects the second water supply pipe and the nozzle, with one end of the ball joint fixedly connected to the second water supply pipe and the other end rotatably connected to the nozzle.
[0010] Furthermore, a transmission assembly is connected inside the second water supply pipe, and the transmission assembly is located between the first impeller and the ball joint; a guide plate is fixedly connected to the inner wall of the second water supply pipe, and the guide plate is located between the first impeller and the transmission assembly; a drive assembly is provided outside the second water supply pipe, and the drive assembly is rotatably connected to the transmission assembly and the nozzle; the transmission assembly drives the nozzle to rotate through the drive assembly under the thrust of the fire-fighting water.
[0011] Furthermore, the drive assembly includes a connecting block fixedly connected to the nozzle, and a connecting rod is provided between the connecting block and the second water supply pipe. The two ends of the connecting rod are rotatably connected to the transmission assembly and the connecting block, respectively.
[0012] Furthermore, the transmission assembly includes a second impeller located inside the second water supply pipe, a second rotating shaft passing through the center of the second impeller, the second rotating shaft being fixedly connected to the second impeller, both ends of the second rotating shaft extending laterally through the side wall of the second water supply pipe and out of the second water supply pipe, the second rotating shaft being rotatably connected to the side wall of the second water supply pipe, and rotating wheels being fixedly connected to both ends of the first rotating shaft, the rotating wheels being rotatably connected to one end of the connecting rod, and a third through hole being provided on the guide plate, the third through hole being directly opposite one side of the second impeller.
[0013] Furthermore, the support assembly includes two mounting sleeves fixedly connected to the outer wall of the first water supply pipe. The two mounting sleeves are located on both sides of the second water supply pipe. A slider is slidably connected inside each of the two mounting sleeves. An arc-shaped groove is formed on the slider, and the first rotating shaft is slidably connected inside the arc-shaped groove.
[0014] Furthermore, a spring is provided inside the mounting sleeve, and a limiting plate is fixedly connected to the slider. The two ends of the spring abut against the end face of the mounting sleeve and the end face of the limiting plate, respectively.
[0015] Furthermore, a sliding rod is fixedly connected to the mounting sleeve, and the spring is sleeved on the sliding rod.
[0016] The beneficial effects of this invention are as follows:
[0017] This chemical fire safety device delivers fire-fighting water through a first water supply pipe, a corrugated pipe, and a second water supply pipe. The fire-fighting water flows out from the outlet of the second water supply pipe. The fire-fighting water in the second water supply pipe drives a first impeller to rotate. During the rotation of the first impeller, it drives a first shaft and a first gear to rotate. The first gear rotates on its own axis while also revolving around a second gear. The pipe body of the second water supply pipe swings under the transmission of the first and second gears. This swinging motion of the second water supply pipe allows for a wider spray range of the fire-fighting water and a larger fire-fighting area.
[0018] Other advantages, objectives, and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of the present invention;
[0020] Figure 2 This is the front view of the present invention;
[0021] Figure 3 For the present invention Figure 2 Sectional view of AA;
[0022] Figure 4 For the present invention Figure 2 Sectional view of BB;
[0023] Figure 5 This is the left view of the present invention;
[0024] Figure 6 For the present invention Figure 5 A sectional view of CC.
[0025] In the picture:
[0026] 11. First water supply pipe; 12. Second water supply pipe; 121. Water outlet; 13. Corrugated pipe; 14. Ball joint; 15. Sprinkler head;
[0027] 21. First gear; 22. Second gear;
[0028] 31. First rotating shaft; 32. First impeller;
[0029] 41. Diverter plate; 411. First through hole; 412. Second through hole; 42. First solenoid valve; 43. Second solenoid valve.
[0030] 51. Flow guide plate; 511. Third through hole;
[0031] 61. Connecting block; 62. Connecting rod;
[0032] 71. Second shaft; 72. Second impeller; 73. Rotor;
[0033] 81. Mounting sleeve; 82. Slider; 821. Arc-shaped groove; 83. Sliding rod; 84. Spring; 85. Limiting plate. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.
[0036] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0037] In the above description of the present invention, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is conventionally placed during use. These terms are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0038] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.
[0039] Please see Figure 1-6This invention provides a technical solution: a chemical fire safety device, comprising a first water supply pipe 11 for conveying fire-fighting water, with a second water supply pipe 12 connected to the first water supply pipe 11; a corrugated pipe 13 connecting one end of the second water supply pipe 12 to the first water supply pipe 11; a first impeller 32 disposed inside the second water supply pipe 12, with a first rotating shaft 31 passing through the center of the first impeller 32, the first rotating shaft 31 being fixedly connected to the first impeller 32, and both ends of the first rotating shaft 31 extending laterally through the sidewall of the second water supply pipe 12 and out of the second water supply pipe 12; the first rotating shaft 31 being rotatably connected to the sidewall of the second water supply pipe 12; and the first impeller 32 being able to pass through the second water supply pipe 12. The first impeller 32 rotates under the thrust of the fire-fighting water inside; a diversion component is provided inside the second water supply pipe 12, the diversion component is located on the side of the first impeller 32 facing the first water supply pipe 11, the diversion component is used to guide the fire-fighting water in the second water supply pipe 12 to one side of the first impeller 32; a support component is fixedly connected to the first water supply pipe 11, and the first rotating shaft 31 is slidably connected to the support component; a first gear 21 is fixedly connected to both ends of the first rotating shaft 31, and a second gear 22 is fixedly connected to the support component, which meshes with the two first gears 21 respectively; during the rotation of the first impeller 32, the pipe body of the second water supply pipe 12 is driven to swing under the transmission action of the first gear 21 and the second gear 22.
[0040] In this design: the bottom of the second water supply pipe 12 is provided with a water outlet 121. The chemical fire safety device also includes a controller, which is electrically connected to a solenoid valve, a smoke sensor, and an alarm. The smoke sensor detects whether there is a fire within the chemical plant area and transmits an electrical signal to the controller, which then controls the solenoid valve and the alarm to react accordingly. The working principle of detecting whether there is a fire within the chemical plant area has been disclosed in patent CN213912077U and will not be repeated in this design.
[0041] When the smoke sensor does not detect a fire in the chemical plant, the chemical fire safety device is in a static state, and the controller shuts down the solenoid valve and alarm.
[0042] When the smoke sensor detects a fire in the chemical plant, the controller activates the solenoid valve and alarm, allowing fire-fighting water to flow through the first water supply pipe 11 and the corrugated pipe 13 into the second water supply pipe 12. When the fire-fighting water reaches the diversion assembly, it intermittently directs the water to one side of the first impeller 32. The first impeller 32 rotates under the thrust of the fire-fighting water in the second water supply pipe 12, causing the first shaft 31 and the first gear 21 to rotate along with it. Since the second gear 22 is fixedly connected to the support assembly, the first gear 21 rotates on its own axis while also revolving around the second gear 22. The pipe body of the second water supply pipe 12 oscillates under the transmission action of the first gear 21 and the second gear 22, allowing fire-fighting water to flow out from the outlet 121. This oscillation of the second water supply pipe 12 widens the spray range of the fire-fighting water and expands the fire-fighting area.
[0043] In this embodiment: the diversion assembly includes a diversion plate 41 fixedly connected inside the second water supply pipe 12. The diversion plate 41 has a first through hole 411 and a second through hole 412. The first through hole 411 and the second through hole 412 are located on both sides of the axis of the first rotating shaft 31. A first solenoid valve 42 and a second solenoid valve 43 are fixedly connected inside the first through hole 411 and the second through hole 412, respectively. When the first solenoid valve 42 or the second solenoid valve 43 is in the conducting state, the first impeller 32 rotates along the axial direction of the first rotating shaft 31.
[0044] In this scheme: the first solenoid valve 42 and the second solenoid valve 43 are electrically connected to the controller.
[0045] When the smoke sensor does not detect a fire in the chemical plant, the chemical fire safety device is in a static state, and the controller controls the first solenoid valve 42 and the second solenoid valve 43 to close.
[0046] When the smoke sensor detects a fire in the chemical plant, the controller intermittently switches the first solenoid valve 42 and the second solenoid valve 43 on and off. Firefighting water flows through the first through-hole 411 and the second through-hole 412 to both sides of the first impeller 32, causing the first impeller 32 to rotate intermittently clockwise and counterclockwise under the thrust of the firefighting water in the second water supply pipe 12. This drives the first shaft 31 and the first gear 21 to rotate intermittently clockwise and counterclockwise. The first gear 21 then intermittently revolves clockwise and counterclockwise along the axis of the second gear 22, causing the pipe body of the second water supply pipe 12 to swing left and right under the transmission of the first gear 21 and the second gear 22. Firefighting water flows out from the outlet 121 of the second water supply pipe 12. The greater the swing amplitude of the pipe body during the flow of firefighting water controlled by the first solenoid valve 42 and the second solenoid valve 43, the wider the spray range of the firefighting water and the larger the fire extinguishing area.
[0047] In this embodiment, the end of the second water supply pipe 12 away from the first water supply pipe 11 is connected to a nozzle 15.
[0048] In this design, the sprinkler head 15 is located at the outlet 121 of the second water supply pipe 12, and the sprinkler head 15 is connected to the second water supply pipe 12. Firefighting water flows through the second water supply pipe 12 and is atomized and sprayed out through the sprinkler head 15. This allows for a wider spraying range and a larger fire extinguishing area.
[0049] In this embodiment, a ball joint 14 connects the second water supply pipe 12 and the nozzle 15. One end of the ball joint 14 is fixedly connected to the second water supply pipe 12, and the other end is rotatably connected to the nozzle 15.
[0050] In this design, the ball joint 14 is located at the outlet 121 of the second water supply pipe 12, and the ball joint 14 is connected to the second water supply pipe 12 and the nozzle 15. The nozzle 15 can rotate around the ball joint 14, allowing the nozzle 15 to have a larger range of motion, a wider spraying range, and a larger fire extinguishing range.
[0051] In this embodiment: a transmission assembly is connected inside the second water supply pipe 12, and the transmission assembly is located between the first impeller 32 and the ball joint 14; a guide plate 51 is fixedly connected to the inner wall of the second water supply pipe 12, and the guide plate 51 is located between the first impeller 32 and the transmission assembly; a drive assembly is provided outside the second water supply pipe 12, and the drive assembly is rotatably connected to the transmission assembly and the nozzle 15; the transmission assembly drives the nozzle 15 to rotate through the drive assembly under the thrust of the fire-fighting water.
[0052] In this scheme: a transmission assembly is connected inside the second water supply pipe 12, and a guide plate 51 is set between the transmission assembly and the first impeller 32. The guide plate 51 guides the water to one side of the transmission assembly. Under the thrust of the fire water, the transmission assembly drives the nozzle 15 to rotate through the drive assembly, so that the nozzle 15 has a larger range of motion, a wider spraying range, and a larger fire extinguishing range.
[0053] In this embodiment: the driving component includes a connecting block 61 fixedly connected to the nozzle 15, and a connecting rod 62 is provided between the connecting block 61 and the second water supply pipe 12. The two ends of the connecting rod 62 are rotatably connected to the transmission component and the connecting block 61, respectively.
[0054] In this scheme: the sprinkler head 15 is connected to the transmission assembly through the connecting block 61 and the connecting rod 62. Under the thrust of the fire water, the transmission assembly drives the sprinkler head 15 to rotate, making the range of motion of the sprinkler head 15 larger, the spraying range of the sprinkler head 15 wider, and the fire extinguishing range larger.
[0055] In this embodiment: the transmission assembly includes a second impeller 72 located inside the second water supply pipe 12, a second rotating shaft 71 passing through the center of the second impeller 72, the second rotating shaft 71 being fixedly connected to the second impeller 72, the two ends of the second rotating shaft 71 extending laterally through the side wall of the second water supply pipe 12 and rotatably connected to the side wall of the second water supply pipe 12, the two ends of the first rotating shaft 31 being fixedly connected to a rotating wheel 73, the rotating wheel 73 being rotatably connected to one end of the connecting rod 62, and a third through hole 511 being provided on the guide plate 51, the third through hole 511 being directly opposite the side of the second impeller 72.
[0056] In this scheme: the extension direction of the second rotating shaft 71 is perpendicular to the extension direction of the first rotating shaft 31 on the horizontal plane. The guide plate 51 guides the fire water in the second water supply pipe 12 to one side of the second impeller 72 through the third through hole 511. The second impeller 72 is driven to rotate under the thrust of the fire water. The second rotating shaft 71 and the rotating wheel 73 rotate with the first impeller 32. During the rotation of the first impeller 32, the nozzle 15 is driven to rotate by the connecting block 61 and the connecting rod 62.
[0057] In this embodiment: the support assembly includes two mounting sleeves 81 fixedly connected to the outer wall of the first water supply pipe 11. The two mounting sleeves 81 are located on both sides of the second water supply pipe 12. A slider 82 is slidably connected inside each of the two mounting sleeves 81. An arc-shaped groove 821 is provided on the slider 82. The first rotating shaft 31 is slidably connected inside the arc-shaped groove 821.
[0058] In this design: Mounting sleeves 81 are installed on both sides of the second water supply pipe 12. Two sliders 82 are slidably connected within the mounting sleeves 81. The first rotating shaft 31 is slidably connected within the arc-shaped groove 821, allowing the second water supply pipe 12 to be stably installed on the first water supply pipe 11. During the sliding connection of the first rotating shaft 31 within the arc-shaped groove 821, it causes the second water supply pipe 12 to swing, and the sliders 82 slide within the mounting sleeves 81. During the sliding connection of the first rotating shaft 31 within the arc-shaped groove 821, the second water supply pipe 12 swings more significantly, resulting in a wider spray range for fire-fighting water and a larger fire-extinguishing area.
[0059] In this embodiment: a spring 84 is provided inside the mounting sleeve 81, and a limiting plate 85 is fixedly connected to the slider 82. The two ends of the spring 84 abut against the end face of the mounting sleeve 81 and the end face of the limiting plate 85, respectively.
[0060] In this scheme, by setting a spring 84 between the end face of the mounting sleeve 81 and the end face of the limiting plate 85, the second water pipe 12 swings more under the elastic force of the spring 84, so that the spraying range of fire water is wider and the fire extinguishing range is larger.
[0061] In this embodiment: a sliding rod 83 is fixedly connected to the mounting sleeve 81, and the spring 84 is sleeved on the sliding rod 83.
[0062] In this design, spring 84 is fitted onto sliding rod 83, serving as a guide for spring 84. This allows slider 82 to slide more smoothly within mounting sleeve 81.
[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.
Claims
1. A chemical fire safety device, comprising a first water supply pipe (11) for conveying fire-fighting water, wherein a second water supply pipe (12) is connected to the first water supply pipe (11); characterized in that: A corrugated pipe (13) is connected between one end of the second water supply pipe (12) and the first water supply pipe (11); The second water supply pipe (12) is provided with a first impeller (32), and a first rotating shaft (31) passes through the center of the first impeller (32). The first rotating shaft (31) is fixedly connected to the first impeller (32). The two ends of the first rotating shaft (31) extend laterally through the side wall of the second water supply pipe (12) and out of the second water supply pipe (12). The first rotating shaft (31) is rotatably connected to the side wall of the second water supply pipe (12). The first impeller (32) can rotate under the thrust of the fire-fighting water in the second water supply pipe (12). A diversion assembly is provided inside the second water supply pipe (12). The diversion assembly is located on the side of the first impeller (32) facing the first water supply pipe (11). The diversion assembly is used to guide the fire-fighting water in the second water supply pipe (12) to one side of the first impeller (32). A support assembly is fixedly connected to the first water pipe (11), and the first rotating shaft (31) is slidably connected to the support assembly; both ends of the first rotating shaft (31) are fixedly connected to a first gear (21), and the support assembly is fixedly connected to a second gear (22) that meshes with the two first gears (21) respectively; During the rotation of the first impeller (32), the pipe body of the second water pipe (12) is driven to swing through the transmission action of the first gear (21) and the second gear (22).
2. The chemical fire safety device according to claim 1, characterized in that: The diversion assembly includes a diversion plate (41) fixedly connected inside the second water supply pipe (12). The diversion plate (41) has a first through hole (411) and a second through hole (412). The first through hole (411) and the second through hole (412) are located on both sides of the axis of the first rotating shaft (31). A first solenoid valve (42) and a second solenoid valve (43) are fixedly connected inside the first through hole (411) and the second through hole (412), respectively. When the first solenoid valve (42) or the second solenoid valve (43) is in the conducting state, the first impeller (32) rotates along the axial direction of the first rotating shaft (31).
3. The chemical fire safety device according to claim 2, characterized in that: The end of the second water pipe (12) away from the first water pipe (11) is connected to a nozzle (15).
4. The chemical fire safety device according to claim 3, characterized in that: A ball joint (14) is connected between the second water supply pipe (12) and the nozzle (15). One end of the ball joint (14) is fixedly connected to the second water supply pipe (12), and the other end is rotatably connected to the nozzle (15).
5. The chemical fire safety device according to claim 4, characterized in that: The second water pipe (12) is connected to a transmission assembly, which is located between the first impeller (32) and the ball joint (14); A guide plate (51) is fixedly connected to the inner wall of the second water pipe (12), and the guide plate (51) is located between the first impeller (32) and the transmission assembly; A drive assembly is provided outside the second water supply pipe (12), and the drive assembly is rotatably connected to the transmission assembly and the nozzle (15); The transmission assembly drives the nozzle (15) to rotate through the drive assembly under the thrust of the fire water.
6. The chemical fire safety device according to claim 5, characterized in that: The drive assembly includes a connecting block (61) fixedly connected to the nozzle (15), and a connecting rod (62) is provided between the connecting block (61) and the second water supply pipe (12). The two ends of the connecting rod (62) are rotatably connected to the transmission assembly and the connecting block (61), respectively.
7. The chemical fire safety device according to claim 6, characterized in that: The transmission assembly includes a second impeller (72) located inside the second water supply pipe (12). A second rotating shaft (71) passes through the center of the second impeller (72). The second rotating shaft (71) is fixedly connected to the second impeller (72). Both ends of the second rotating shaft (71) extend laterally through the side wall of the second water supply pipe (12) and out of the second water supply pipe (12). The second rotating shaft (71) is rotatably connected to the side wall of the second water supply pipe (12). Both ends of the first rotating shaft (31) are fixedly connected to a rotating wheel (73). The rotating wheel (73) is rotatably connected to one end of the connecting rod (62). A third through hole (511) is opened on the guide plate (51). The third through hole (511) is directly opposite the side of the second impeller (72).
8. The chemical fire safety device according to any one of claims 1-7, characterized in that: The support assembly includes two mounting sleeves (81) fixedly connected to the outer wall of the first water supply pipe (11). The two mounting sleeves (81) are located on both sides of the second water supply pipe (12). A slider (82) is slidably connected inside each of the two mounting sleeves (81). An arc-shaped groove (821) is provided on the slider (82). The first rotating shaft (31) is slidably connected inside the arc-shaped groove (821).
9. The chemical fire safety device according to any one of claims 8, characterized in that: A spring (84) is provided inside the mounting sleeve (81), and a limiting plate (85) is fixedly connected to the slider (82). The two ends of the spring (84) abut against the end face of the mounting sleeve (81) and the end face of the limiting plate (85), respectively.
10. The chemical fire safety device according to claim 9, characterized in that: A sliding rod (83) is fixedly connected to the mounting sleeve (81), and the spring (84) is sleeved on the sliding rod (83).
Citation Information
Patent Citations
Fire fighting device for chemical safety
CN213912077U