Suspension type fire extinguishing device

The suspended fire extinguishing device addresses the issue of component degradation in existing designs by maintaining components dry, ensuring reliable and long-lasting fire suppression through separate storage and activation mechanisms.

CN222130856UActive Publication Date: 2024-12-10SHANGHAI YONGYAO YIHE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420649102.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-10
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The existing fire extinguishing devices face issues with the immersion of reset springs and pull ropes in foam fire extinguishing agents, leading to loss of elastic force and tensioning force, and subsequent degradation of fire extinguishing performance.

Method used

A suspended fire extinguishing device design featuring a shell, storage bottle, and connector assembly, where the shell cavity and storage bottle remain disconnected in a non-working state, allowing for high reliability and long service life, and upon activation, the connector channel connects the two to generate sufficient pressure for effective fire extinguishing.

Benefits of technology

The device maintains fire extinguishing performance with high reliability and long service life by avoiding immersion of components in the extinguishing agent, ensuring sufficient pressure for effective fire suppression.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a suspension type fire extinguishing device. The suspension type fire extinguishing device comprises a shell, a connecting assembly and a storage bottle assembly, the shell mounting opening is communicated with the shell cavity, the connecting piece is arranged at the shell mounting opening, and the connecting piece through hole is communicated with the shell cavity and the connecting piece channel; a bottle opening of the storage bottle is arranged at the open end of the connecting piece channel; a first storage object is stored in the cavity of the shell, and a second storage object is stored in the storage bottle; when the fire extinguishing device is in a non-working state, the pressure in the shell cavity is normal pressure, and the shell cavity is not communicated with the storage bottle; the pressure in the shell cavity does not need to be regularly detected, the first storage object can keep the fire extinguishing performance, and the fire extinguishing device is high in reliability and long in service life; when the fire extinguishing device is in a working state, the shell cavity and the storage bottle are communicated through the connecting piece channel and the connecting piece through hole, the two stored objects are mixed to generate a fire extinguishing agent, the pressure needed for spraying out the fire extinguishing agent is sufficient, the fire extinguishing range is large, and the fire extinguishing effect is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fire fighting equipment, and in particular relates to a hanging type fire extinguishing device. Background Art

[0002] At present, the occurrence of fire accidents is increasing year by year, ranking first among various natural disasters. It is of great significance to prevent the further expansion of fire and ensure the safety of life and property by timely extinguishing fire with fire extinguishing device. In the prior art, the fire extinguishing device includes a tank body, and a temperature-sensitive glass tube is arranged at the bottom of the tank body; a partition is installed inside the tank body, and the partition divides the inside of the tank body into an upper accommodating chamber and a lower accommodating chamber, the upper accommodating chamber is used to store nitrogen, and the lower accommodating chamber is used to fill the foam fire extinguishing agent, and the bottom center of the partition is connected with an exhaust pipe, and the exhaust pipe connects the upper accommodating chamber and the lower accommodating chamber, and a diaphragm is arranged at the top of the exhaust pipe; a slidable puncturing mechanism is arranged inside the exhaust pipe, and a reset spring is connected to the puncturing mechanism and the lower end of the exhaust pipe; a pull rope is connected between the lower end of the puncturing mechanism and the temperature-sensitive glass tube, and the pull rope tightens the puncturing mechanism and compresses the reset spring; after the temperature-sensitive glass tube bursts, the tension of the pull rope is lost, and the reset spring acts on the puncturing mechanism to puncture the diaphragm, so that nitrogen enters the lower cavity. However, the reset spring and the pull rope are immersed in the foam fire extinguishing agent. On the one hand, the material of the reset spring and the pull rope is easy to change, resulting in the loss of the elastic force of the reset spring and the tensioning force of the pull rope; on the other hand, the composition of the foam fire extinguishing agent is easy to change, resulting in the failure of the fire extinguishing performance of the foam fire extinguishing agent. Summary of the invention

[0003] In view of this, the utility model provides a suspended fire extinguishing device to solve the problems in the prior art that the return spring and the stretch rope are immersed in the foam fire extinguishing agent, the elastic force of the return spring and the tensioning force of the pull rope are easily lost, and the fire extinguishing performance of the foam fire extinguishing agent is easily invalid.

[0004] The utility model provides a suspended fire extinguishing device, comprising:

[0005] A shell, a shell wall of which is formed with a shell installation opening, a shell cavity is formed inside the shell, and the shell cavity is communicated with the shell installation opening; a first storage object can be stored in the shell cavity;

[0006] A connecting assembly, comprising a connecting piece, the connecting piece being arranged at the shell mounting opening; a connecting piece channel being formed inside the connecting piece, at least one end of the connecting piece channel being open; a connecting piece through hole being formed on a side wall of the connecting piece, the connecting piece through hole communicating with the shell cavity and the connecting piece channel;

[0007] A storage bottle assembly, comprising a storage bottle, wherein the bottle mouth of the storage bottle is arranged at the open end of the connector channel;

[0008] The fire extinguishing device is provided with a non-working state and a working state;

[0009] When the fire extinguishing device is in the non-working state, the pressure in the shell cavity is normal pressure, the bottle mouth is closed, and the storage bottle and the shell cavity are not connected;

[0010] When the fire extinguishing device is in the working state, the bottle mouth is opened, and the storage bottle and the shell cavity are connected through the connecting piece channel and the connecting piece through hole.

[0011] Further optionally, the shell is an annular structure, the shell installation opening and the shell gap are formed on the radial inner side of the shell, the shell gap is located outside the shell installation opening, and the shell gap communicates with the shell installation opening and the shell cavity;

[0012] The connector includes a base and an upper connector. The base is arranged in the shell gap, and the side wall of the base is formed with the connector through hole; the upper connector is arranged on the top of the base, and the top of the upper connector is open.

[0013] Further optionally, the connection assembly further includes an upper nut, which is arranged on the upper connection head and is used to connect the upper connection head and the housing;

[0014] The storage bottle assembly further includes a protective cover, which is disposed on the outside of the storage bottle and is disposed on and connected to the upper nut.

[0015] Further optionally, the upper nut is formed with an upper nut connection structure; the protective cover includes a cover seat body and a cover body, the cover seat body is formed with a protective cover connection structure, and the protective cover connection structure is connected to the upper nut connection structure;

[0016] The cover body is arranged on the cover base body or is formed integrally with the cover base body. The cover body is surrounded by a protective cavity, and the storage bottle is arranged in the protective cavity.

[0017] Further optionally, the shell includes an upper shell and a lower shell, and the upper shell and the lower shell are buckled together to form the shell cavity; the radial outer wall of the upper shell and the radial outer wall of the lower shell are connected together; the radial inner wall of the upper shell is arranged to form an upper shell mounting opening, and the radial inner wall of the lower shell is arranged to form a lower shell mounting opening, and the radial inner wall of the upper shell and the radial inner wall of the lower shell are spaced apart to form the shell gap; the upper shell mounting opening and the shell cavity are connected through the shell gap, and the lower shell mounting opening and the shell cavity are connected through the shell gap.

[0018] Further optionally, the upper connector is inserted into the upper shell mounting opening, and a radial inner wall of the upper shell is provided between the upper nut and the base; the connector further comprises a lower connector, the lower connector is provided at the bottom of the base, and the lower connector is inserted into the lower shell mounting opening;

[0019] A lower nut is arranged on the lower connecting head, and a radial inner side wall of the lower shell is arranged between the lower nut and the base.

[0020] Further optionally, the shell gap is an annular structure; the base, the upper connector and the lower connector are all cylindrical structures, and the base, the upper connector and the lower connector are coaxially arranged; the outer diameter of the base is greater than the outer diameter of the upper connector, and the outer diameter of the base is greater than the outer diameter of the lower connector; the interior of the upper connector, the interior of the base and the interior of the lower connector are sequentially connected to form the connector channel;

[0021] There are a plurality of the connecting member through holes, and the plurality of the connecting member through holes are spaced apart along the axial direction and / or the circumferential direction of the connecting member channel.

[0022] Further optionally, a bottle seal is provided at the bottle mouth; the suspended fire extinguishing device further comprises a striker and a temperature-sensing trigger mechanism, the striker being arranged in the connecting member channel; the temperature-sensing trigger mechanism comprises a trigger assembly, and the trigger assembly is arranged at one end of the connecting member away from the storage bottle;

[0023] When the fire extinguishing device is in the non-working state, the bottle seal closes the bottle mouth, and the striker is away from the bottle seal;

[0024] When the fire extinguishing device is in the working state, the trigger assembly pierces the bottle seal with the striker.

[0025] Further optionally, the shell is formed with an upper accommodating space which is concave downward at the top of the shell installation opening, and the shell is formed with a lower accommodating space which is convex upward at the bottom of the shell installation opening;

[0026] The upper accommodation space may accommodate at least a portion of the storage bottle assembly, and the lower accommodation space may accommodate at least a portion of the trigger assembly.

[0027] Further optionally, the shell wall of the shell is further formed with a shell discharge port, the shell discharge port is located at the bottom of the shell, and the shell discharge port is provided with a nozzle; a discharge channel is connected between the shell discharge port and the nozzle;

[0028] When the fire extinguishing device is in the non-working state, the discharge passage is closed, and the nozzle and the housing cavity are not connected;

[0029] When the fire extinguishing device is in the working state, the discharge channel is opened, the nozzle is communicated with the shell cavity, and the nozzle can spray the fire extinguishing agent in the shell cavity toward the fire source.

[0030] Compared with the prior art, the beneficial effects of the utility model are mainly:

[0031] The suspended fire extinguishing device includes a shell, a storage bottle and a connector. The first storage object can be stored in the shell cavity, and the second storage object can be stored in the storage bottle. The connector through hole connects the connector channel and the shell cavity. When the fire extinguishing device is in a non-working state, the pressure in the shell cavity is normal pressure, and the shell cavity and the storage bottle are not connected. There is no need to regularly detect the pressure in the shell cavity, the first storage object can maintain the fire extinguishing performance, and the fire extinguishing device has high reliability and long service life. Compared with conventional pre-pressurized fire extinguishing devices, the shell of the present application needs to withstand lower pressure. When the fire extinguishing device is in a working state, the shell cavity and the storage bottle are connected through the connector channel and the connector through hole, the two storage objects are mixed to generate a fire extinguishing agent, the pressure required for the fire extinguishing agent to be sprayed out is sufficient, the fire extinguishing effect is improved, and the problems in the prior art that the reset spring and the stretching are immersed in the foam fire extinguishing agent, the elastic force of the reset spring and the tensioning force of the pull rope are easily lost, and the fire extinguishing performance of the foam fire extinguishing agent is easily invalidated are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0033] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0034] Figure 1a A schematic diagram of the assembly structure of a housing embodiment provided by the utility model;

[0035] Figure 1b A schematic diagram of the exploded structure of a housing embodiment provided by the utility model;

[0036] Figure 1c and Figure 1d A schematic cross-sectional structural diagram of a housing embodiment provided by the utility model;

[0037] Figure 2a and Figure 2b A schematic diagram of the structure of a connecting piece embodiment provided by the utility model;

[0038] Figure 3 A schematic diagram of the structure of a protective cover embodiment provided by the utility model;

[0039] Figure 4a A schematic diagram of the assembly structure of the connector assembly and the housing embodiment provided by the utility model;

[0040] Figure 4b A schematic diagram of the assembly structure of a connecting piece and a striker assembly embodiment provided by the utility model;

[0041] Figure 4c A schematic diagram of the exploded structure of the connecting piece and the striker assembly embodiment provided by the utility model;

[0042] Figure 5a A schematic diagram of the structure of an embodiment of the fire extinguishing device provided by the utility model (excluding the temperature-sensing trigger mechanism and the nozzle assembly) when it is in a non-working state;

[0043] Figure 5b A schematic diagram of the structure of an embodiment of the fire extinguishing device provided by the utility model (excluding the temperature-sensing trigger mechanism and the nozzle assembly) when in a working state;

[0044] Figure 6 A schematic diagram of the assembly structure of the nozzle assembly embodiment provided by the utility model;

[0045] Figure 7a and Figure 7b A schematic diagram of the assembly structure of a fire extinguishing device embodiment provided by the utility model;

[0046] Figure 8a This is a schematic diagram of the structure of an embodiment of the fire extinguishing device (including a temperature-sensing trigger mechanism and a nozzle assembly) provided by the utility model when it is in a non-working state;

[0047] Figure 8b This is a schematic diagram of the structure of an embodiment of the fire extinguishing device (including a temperature-sensing trigger mechanism and a nozzle assembly) provided by the utility model when it is in a working state;

[0048] In the figure:

[0049] 1-shell; 11-upper shell; 111-first upper shell wall segment; 112-second upper shell wall segment; 113-third upper shell wall segment; 114-fourth upper shell wall segment; 115-upper accommodating space; 12-lower shell; 121-first lower shell wall segment; 122-second lower shell wall segment; 123-third lower shell wall segment; 124-fourth lower shell wall segment; 125-lower accommodating space; 13-shell cavity; 141-shell installation port; 142-shell discharge port; 143-shell gap;

[0050] 2-nozzle assembly; 21-nozzle seat; 22-nozzle nut; 23-nozzle;

[0051] 3-storage bottle assembly; 31-storage bottle; 32-protective cover; 321-cover body; 322-cover seat body;

[0052] 4-connection assembly; 41-connection piece; 411-base; 4111-upper annular groove; 4112-lower annular groove; 4113-connection piece through hole; 412-upper connector; 413-lower connector; 414-connection piece channel; 4141-first connection piece channel end; 4142-second connection piece channel end; 42-upper nut; 43-lower nut;

[0053] 5-striker assembly; 51-striker sleeve; 511-sleeve channel; 512-sleeve through hole; 52-striker base; 521-first base section; 522-second base section; 53-striker;

[0054] 6-temperature sensing trigger mechanism; 61-sliding seat; 62-trigger assembly; 63-elastic member; 64-temperature sensing mechanism. DETAILED DESCRIPTION

[0055] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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 creative work are within the scope of protection of the present invention.

[0056] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two, but does not exclude the inclusion of at least one.

[0057] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0058] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0059] In the prior art, the fire extinguishing device includes a tank body, and a temperature-sensitive glass tube is provided at the bottom of the tank body; a partition is installed inside the tank body, and the partition divides the inside of the tank body into an upper accommodating chamber and a lower accommodating chamber, the upper accommodating chamber is used to store nitrogen, and the lower accommodating chamber is used to fill the foam fire extinguishing agent, and the bottom center of the partition is connected to an exhaust pipe, and the exhaust pipe connects the upper accommodating chamber and the lower accommodating chamber, and a diaphragm is provided at the top of the exhaust pipe; a slidable puncturing mechanism is provided inside the exhaust pipe, and a reset spring is connected to the puncturing mechanism and the lower end of the exhaust pipe; a pull rope is connected between the lower end of the puncturing mechanism and the temperature-sensitive glass tube, and the pull rope tightens the puncturing mechanism and compresses the reset spring; after the temperature-sensitive glass tube bursts, the tension of the pull rope is lost, and the reset spring acts on the puncturing mechanism to puncture the diaphragm, so that nitrogen enters the lower cavity; but the reset spring and the pull rope are soaked in the foam fire extinguishing agent, on the one hand, the material of the reset spring and the pull rope is easy to change, resulting in the elastic force of the reset spring and the tension of the pull rope being easy to lose; on the other hand, the composition of the foam fire extinguishing agent is easy to change, resulting in the fire extinguishing performance of the foam fire extinguishing agent being easy to fail;

[0060] The utility model creatively provides a suspended fire extinguishing device, comprising a shell, a connecting assembly and a storage bottle assembly; the shell mounting port and the shell cavity are connected, the connecting piece is arranged at the shell mounting port, and the connecting piece through hole is connected to the shell cavity and the connecting piece channel; the bottle mouth of the storage bottle is arranged at the open end of the connecting piece channel; a first storage object is stored in the shell cavity, and a second storage object is stored in the storage bottle; when the fire extinguishing device is in a non-working state, the pressure in the shell cavity is normal pressure, and the shell cavity and the storage bottle are not connected; there is no need to regularly detect the pressure in the shell cavity, and the fire extinguishing device has high reliability and long service life; when the fire extinguishing device is in a working state, the shell cavity and the storage bottle are connected through the connecting piece channel and the connecting piece through hole, the two storage objects are mixed to generate a fire extinguishing agent, the pressure required for the fire extinguishing agent to be sprayed is sufficient, and the fire extinguishing effect is improved.

[0061] like Figures 1a to 8bAs shown, this embodiment provides a suspended fire extinguishing device, including:

[0062] The shell 1 has a shell installation opening 141 formed on its shell wall, and a shell cavity 13 is formed inside the shell 1. The shell cavity 13 is connected to the shell installation opening 141; the first storage object can be stored in the shell cavity 13;

[0063] The connecting component 4 includes a connecting member 41, which is arranged at the shell mounting opening 141; a connecting member channel 414 is formed inside the connecting member 41, and at least one end of the connecting member channel 414 is open; a connecting member through hole 4113 is formed on the side wall of the connecting member 41, and the connecting member through hole 4113 communicates with the shell cavity 13 and the connecting member channel 414; there is at least one connecting member through hole 4113; specifically, the connecting member channel 414 includes a first connecting member channel end 4141 and a second connecting member channel end 4142 arranged opposite to each other, and the first connecting member channel end 4141 and the second connecting member channel end 4142 are both open;

[0064] The storage bottle assembly 3 includes a storage bottle 31, which can store a second storage object; the bottle mouth of the storage bottle 31 is arranged at the open end of the connector channel 414; specifically, the bottle mouth is arranged at the end of the first connector channel;

[0065] The fire extinguishing device has non-working state and working state;

[0066] When the fire extinguishing device is in a non-working state, the pressure in the shell cavity 13 is normal pressure, the bottle mouth is closed, and the storage bottle 31 and the shell cavity 13 are not connected;

[0067] When the fire extinguishing device is in working state, the bottle mouth is opened, and the storage bottle 31 and the shell cavity 13 are connected through the connector channel 414 and the connector through hole 4113; the second stored object can enter the shell cavity 13 through the connector channel 414 and the connector through hole 4113 and mix with the first stored object;

[0068] The first stored material is a fire extinguishing agent, and the second stored material is a propellant, for example, the propellant is an inert gas; when the fire extinguishing device is in a working state, the high-pressure inert gas enters the shell cavity 13, and the fire extinguishing agent can be discharged from the shell cavity 13 under the drive of the high-pressure inert gas; or,

[0069] The first stored object and the second stored object are both stored objects that can generate fire extinguishing agents; when the fire extinguishing device is in a working state, the second stored object enters the shell cavity 13 and mixes with the first stored object to generate fire extinguishing agents, and the fire extinguishing agents can be discharged from the shell cavity 13;

[0070] Preferably, the first stored material includes potassium salt and water, and the second stored material includes liquid carbon dioxide; when the fire extinguishing device is in working state, the liquid carbon dioxide expands into gaseous carbon dioxide after being discharged, and enters the shell cavity and mixes with the first fire extinguishing agent to generate a fire extinguishing agent, which can timely isolate the combustion material and the air, and at the same time can decompose the grease combustion material and reduce the intensity of the fire; it is suitable for fires in human settlements, especially for kitchen fire extinguishing; it is suitable for ordinary fires or fires where the combustion material is grease, especially for fires where the combustion material is grease.

[0071] Furthermore, the housing 1 is an annular structure, and a housing installation opening 141 and a housing gap 143 are formed on the radial inner side of the housing 1. The housing gap 143 is located outside the housing installation opening 141, and the housing gap 143 communicates with the housing installation opening 141 and the housing cavity 13.

[0072] The connector 41 includes a base 411 and an upper connector 412. The base 411 is disposed in the shell gap 143. A connector through hole 4113 is formed on the side wall of the base 411. The upper connector 412 is disposed on the top of the base 411. The top of the upper connector 412 is a first connector channel end 4141.

[0073] In view of the problem that the storage bottle 31 needs to be fixed, this embodiment proposes that the connection assembly 4 further includes an upper nut 42, which is arranged on the upper connection head 412 and is used to connect the upper connection head 412 and the housing 1;

[0074] The storage bottle assembly 3 further includes a protective cover 32 , which is disposed on the outside of the storage bottle 31 and is disposed on and connected to the upper nut 42 .

[0075] Further, the upper nut 42 is formed with an upper nut connection structure; the protective cover 32 includes a cover seat body 322 and a cover body 321, the cover seat body 322 is formed with a protective cover connection structure, and the protective cover connection structure is connected to the upper nut connection structure; specifically, the upper nut connection structure and the protective cover connection structure are both threaded holes, and the upper nut connection structure and the protective cover connection structure are connected by screws or bolts;

[0076] The cover body 321 is disposed on the cover base 322 or is formed integrally with the cover base 322 . The cover body 321 is surrounded by a protective cavity, and a storage bottle 31 is disposed in the protective cavity.

[0077] In view of the problem that the processing process of the shell 1 is complicated, the present embodiment proposes that the shell 1 includes an upper shell 11 and a lower shell 12, and the upper shell 11 and the lower shell 12 are buckled together to form a shell cavity 13; the radial outer wall of the upper shell 11 and the radial outer wall of the lower shell 12 are connected together; the radial inner wall of the upper shell 11 is arranged to form an upper shell mounting opening, and the radial inner wall of the lower shell 12 is arranged to form a lower shell mounting opening, and the radial inner wall of the upper shell 11 and the radial inner wall of the lower shell 12 are arranged to form a shell gap 143 at an interval from top to bottom; the upper shell mounting opening and the shell cavity 13 are connected through the shell gap 143, and the lower shell mounting opening and the shell cavity 13 are connected through the shell gap 143;

[0078] Furthermore, the upper connector 412 is inserted into the upper shell installation opening, and the radial inner wall of the upper shell 11 is provided between the upper nut 42 and the base 411; the connector 41 further includes a lower connector 413, which is provided at the bottom of the base 411 and inserted into the lower shell installation opening;

[0079] A lower nut 43 is disposed on the lower connector 413, and a radial inner wall of the lower shell 12 is disposed between the lower nut 43 and the base 411;

[0080] A connector seal is provided at one end of the connector through hole 4113 close to the housing cavity 13 for sealing the connector through hole 4113 ; specifically, the connector seal is a sealing ring, which is sleeved on the outer side of the base 411 .

[0081] In order to solve the problem of unreasonable structural design of the shell cavity 13 and the connecting piece 41, the present embodiment proposes that the shell gap is an annular structure; the base 411, the upper connecting head 412 and the lower connecting head 413 are all cylindrical structures, and the base 411, the upper connecting head 412 and the lower connecting head 413 are coaxially arranged; the outer diameter of the base 411 is greater than the outer diameter of the upper connecting head 412, and the outer diameter of the base 411 is greater than the outer diameter of the lower connecting head 413; the interior of the lower connecting head 413, the interior of the base 411 and the interior of the upper connecting head 412 are connected in sequence to form a connecting piece channel 414; thereby, the internal and external communication between the storage bottle 31 and the shell cavity 13 can be achieved through the connecting piece channel 414 and the connecting piece through hole 4113.

[0082] Specifically, along the axial direction of the connecting piece 41, the upper connecting head 412, the base 411 and the lower connecting head 413 are arranged in sequence from top to bottom; the upper end surface of the base 411 is formed with an upper annular groove 4111, and the upper connecting piece seal is arranged in the upper annular groove 4111 for sealing between the upper shell 11 and the base 411; the lower end surface of the base 411 is formed with a lower annular groove 4112, and the lower connecting piece seal is arranged in the lower annular groove 4112 for sealing between the lower shell 12 and the base 411.

[0083] In order to solve the problem that the flow area of ​​the connecting member through hole 4113 is small, the present embodiment proposes that the connecting member channel 414 is cylindrical; a plurality of connecting member through holes 4113 are provided, and the plurality of connecting member through holes 4113 are spaced apart along the axial direction and / or circumferential direction of the connecting member channel 414;

[0084] In other embodiments, the side wall of the base 411 is formed with a plurality of connector through hole groups, each connector through hole group includes a plurality of connector through holes 4113, and the plurality of connector through holes 4113 in each connector through hole group are arranged at intervals along the connector channel 414; the plurality of connector through hole groups are arranged along the axial direction of the base 411, and in two adjacent connector through hole groups, the connector through holes 4113 of one connector through hole group and the connector through holes 4113 of the other connector through hole group are staggered in the circumferential direction of the base 411.

[0085] In view of the problem that the bottle mouth needs to be opened when the fire extinguishing device is in working state, the present embodiment proposes that a bottle seal is provided at the bottle mouth; the suspended fire extinguishing device also includes a striker assembly 5 and a temperature-sensitive trigger mechanism 6, the striker assembly 5 includes a striker sleeve 51, a striker base 52 and a striker 53, a sleeve channel 511 is formed inside the striker sleeve 51, the striker base 52 is slidably arranged in the sleeve channel 511, and the striker 53 is arranged on the striker base 52 and can slide with the striker base 52; a sleeve through hole 512 is formed on the side wall of the striker sleeve 51, and the sleeve through hole 512 communicates with the sleeve channel 511 and the connector channel 414; the temperature-sensitive trigger mechanism 6 includes a slidable trigger assembly 62, and the trigger assembly 62 is arranged at the end of the connector 41 away from the storage bottle 31; specifically, the trigger assembly 62 is arranged at the second connector channel end 4142;

[0086] When the fire extinguishing device is in a non-operating state, the bottle seal closes the bottle mouth, and the striker 53 is away from the bottle seal;

[0087] When the fire extinguishing device is in working state, the trigger assembly 62 slides and pierces the bottle seal with the firing pin 53.

[0088] Further, the fire extinguishing device further includes a slide seat 61, which is arranged at the other end of the connecting member channel 414, and a slideway is formed inside the slide seat 61, and the slideway is communicated with the connecting member channel 414; the trigger assembly 62 can be arranged in the slideway, and an elastic member 63 is arranged between the trigger assembly 62 and the slideway; specifically, the slide seat 61 is arranged at the second connecting member channel end 4142;

[0089] When the fire extinguishing device is in a non-operating state, the trigger assembly 62 is fixed to one end of the slide seat 61, and the elastic member 63 stores energy;

[0090] When the fire extinguishing device is in working state, the elastic member 63 releases energy and drives the trigger assembly 62 to slide along the slideway toward the striker 53, and the trigger assembly 62 pierces the bottle seal with the striker 53.

[0091] In order to solve the problem of how to sense fire, the present embodiment proposes that the fire extinguishing device further includes a temperature sensing mechanism 64, and the temperature sensing mechanism 64 is arranged at one end of the trigger assembly 62 away from the connecting member 41;

[0092] When the fire extinguishing device is in a non-working state, the trigger assembly 62 is fixed under the abutment of the temperature sensing mechanism 64;

[0093] When the fire extinguishing device is in working state, the temperature sensing mechanism 64 loses its abutting effect, and the trigger assembly 62 moves toward the direction close to the striker and drives the striker 5 to pierce the bottle seal.

[0094] The fire extinguishing device includes a temperature-sensing trigger mechanism 6, which includes a slide 61, a trigger assembly 62 and a temperature-sensing mechanism 64; thus, the storage bottle 31 and the temperature-sensing trigger mechanism 6 are connected up and down through the connecting member channel 414;

[0095] Specifically, the temperature sensing mechanism 64 is provided with an inherent temperature, and the temperature sensing mechanism 64 includes a fusible alloy part, and the inherent temperature is the melting point of the fusible alloy part; the fusible alloy part can sense the ambient temperature, and the ambient temperature is the temperature of the environment in which the fire extinguishing device is located; when the ambient temperature is lower than the inherent temperature, the fire extinguishing device is in a non-working state; when the ambient temperature is equal to or higher than the inherent temperature, the fire extinguishing device is in a working state.

[0096] In order to solve the problem that the fire extinguishing device occupies a large space, the present embodiment proposes that the housing 1 forms a downwardly concave upper accommodation space 115 at the top of the housing installation opening 141, and the housing 1 forms an upwardly convex lower accommodation space 125 at the bottom of the housing installation opening 141;

[0097] The upper accommodating space 115 can accommodate at least a portion of the storage bottle assembly 3 for hiding the storage bottle assembly 3; the lower accommodating space 125 can accommodate at least a portion of the trigger assembly 62 for hiding the trigger assembly, and at the same time, the heat at the bottom of the shell 1 can gather in the lower accommodating space 125 and trigger the temperature sensing mechanism 64.

[0098] Specifically, the radial outer wall of the upper shell 11 and the radial outer wall of the lower shell 12 are welded together, the radial outer wall of the upper shell 11 extends downward, and the radial outer wall of the lower shell 12 extends upward;

[0099] In view of the problem that the volume of the housing cavity 13 is small due to the unreasonable structural design of the upper shell 11 and the lower shell 12, the present embodiment proposes that the upper shell 11 and the lower shell 12 are symmetrically arranged up and down, and both the upper shell 11 and the lower shell 12 are annular structures, and the upper shell 11 is a curved surface structure convex upward, and the lower shell 12 is a curved surface structure convex downward; the volume of the housing cavity 13 is increased, and it can withstand a certain pressure; the appearance is beautiful and the structure is compact;

[0100] The radial inner side wall of the upper shell 11 includes a first upper shell wall section 111. The first upper shell wall section 111 is a curved surface structure that is concave downward along the axial direction of the upper shell 11, and the first upper shell wall section 111 is surrounded by an upper accommodation space 115.

[0101] The radial inner sidewall of the lower shell 12 includes a first lower shell wall section 121 . The first lower shell wall section 121 is a curved surface structure protruding upward along the axial direction of the lower shell 12 , and the first lower shell wall section 121 encloses a lower accommodation space 125 .

[0102] Furthermore, the radial inner side wall of the upper shell 11 further includes a second upper shell wall segment 112, which is connected to the first upper shell wall segment 111 and extends in the radial direction of the upper shell 11; the first upper shell wall segment 111 and the second upper shell wall segment 112 are sequentially arranged along the axial direction of the upper shell 11, and the second upper shell wall segment 112 is surrounded by an upper shell installation opening;

[0103] The radial inner wall of the lower shell 12 includes a second lower shell wall section 122, which is connected to the first lower shell wall section 121 and extends radially along the lower shell 12; the first lower shell wall section 121 and the second lower shell wall section 122 are arranged in sequence along the axial direction of the lower shell 12, and the second lower shell wall section 122 is surrounded by a lower shell installation opening; the second upper shell wall section 112 and the second lower shell wall section 122 are spaced apart to form a shell gap 143.

[0104] Specifically, the circumferential wall of the upper shell 11 is connected between the radial outer wall of the upper shell 11 and the first upper shell wall segment 111, and the radial outer wall of the upper shell 11, the circumferential wall of the upper shell 11 and the first upper shell wall segment 111 are arranged to form an upwardly convex curved surface structure; the radial outer wall of the upper shell 11 is the third upper shell wall segment 113, and the circumferential wall of the upper shell 11 is the fourth upper shell wall segment 114;

[0105] The circumferential wall of the lower shell 12 is connected between the radial outer wall of the lower shell 12 and the first lower shell wall section 121, and the radial outer wall of the lower shell 12, the circumferential wall of the lower shell 12 and the first lower shell wall section 121 are arranged to form a downwardly convex curved surface structure; the radial outer wall of the lower shell 12 is the third lower shell wall section 123, and the circumferential wall of the lower shell 12 is the fourth lower shell wall section 124.

[0106] In view of the problem that the shell 1 needs to discharge the fire extinguishing agent, the present embodiment proposes that the shell wall of the shell 1 is also formed with a shell discharge port 142, the shell discharge port 142 is located at the bottom of the shell 1, and the shell discharge port 142 is provided with a nozzle assembly 2, the nozzle assembly 2 includes a nozzle seat 21, a nozzle nut 22 and a nozzle 23, the nozzle seat 21 is inserted into the shell discharge port 142, one end of the nozzle seat 21 is located in the shell cavity 13 and abuts against the side wall of the shell discharge port 142; the nozzle nut 22 and the nozzle seat 21 are connected by threads, and the nozzle nut 22 is located on the outside of the shell cavity 13, so that the nozzle seat 21 is fixed on the lower shell 12; the nozzle 23 is arranged at the other axial end of the nozzle seat 21; a discharge channel is connected between the shell discharge port 142 and the nozzle 23, and a plugging member is arranged in the discharge channel; specifically, the shell discharge port 142 is provided with at least one;

[0107] When the fire extinguishing device is in a non-working state, the blocking member closes the discharge passage, and the nozzle 23 and the housing cavity 13 are not connected;

[0108] When the fire extinguishing device is in working state, the blocking member opens the discharge channel, the nozzle 23 is connected with the shell cavity 13, and the nozzle 23 can spray the fire extinguishing agent in the shell cavity 13 toward the fire source;

[0109] Specifically, a blocking piece is provided on the nozzle 23, and the blocking piece is a nozzle sealing film; when the fire extinguishing device is in a non-working state, the nozzle sealing film seals the nozzle 23, so that the nozzle 23 and the shell cavity 13 are not connected; when the fire extinguishing device is in a working state, under the action of the fire extinguishing agent, the nozzle sealing film is stretched open, so that the nozzle 23 and the shell cavity 13 are connected.

[0110] In summary, when the fire extinguishing device is in a non-working state, the blocking member closes the discharge channel, the nozzle 23 and the shell cavity 13 are not connected; the bottle seal seals the bottle mouth, and the storage bottle 31 and the shell cavity 13 are not connected; under the abutment of the temperature sensing mechanism 64, the trigger assembly 62 is fixed to one end of the slide seat 61, the elastic member 63 stores energy, and the striker 53 is away from the bottle seal; the pressure in the shell cavity is normal pressure, and there is no need to regularly detect the pressure in the shell cavity. The first storage can maintain the fire extinguishing performance, and the fire extinguishing device has high reliability and long service life;

[0111] When the fire extinguishing device is in working state, the blocking part opens the discharge channel, and the nozzle 23 is connected with the shell cavity 13; the temperature sensing mechanism 64 loses its abutment effect, the trigger assembly 62 moves in the direction close to the striker and drives the striker 5 to pierce the bottle seal, so that the bottle mouth is opened; the storage bottle 31 and the shell cavity 13 are connected through the sleeve channel 511, the sleeve through hole 512, the connector channel 414 and the connector through hole 4113; the second storage material in the storage bottle 31 enters the shell cavity 13 through the sleeve channel 511, the sleeve through hole 512, the connector channel 414 and the connector through hole 4113 and mixes with the first storage material to generate a fire extinguishing agent; the fire extinguishing agent is sprayed out through the nozzle 23 to extinguish the fire; the pressure required for spraying the fire extinguishing agent is sufficient, thereby improving the fire extinguishing effect.

[0112] The exemplary embodiments of the present disclosure are specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structures, configurations or implementations described herein; on the contrary, the present disclosure is intended to cover various modifications and equivalent configurations included in the spirit and scope of the appended claims.

Claims

1. A suspended fire extinguishing device, characterized in that: include: A shell (1), a shell wall of which is formed with a shell installation opening (141), a shell cavity (13) is formed inside the shell (1), and the shell cavity (13) is communicated with the shell installation opening (141); A connecting component (4), comprising a connecting piece (41), the connecting piece (41) being arranged at the shell mounting opening (141); a connecting piece channel (414) being formed inside the connecting piece (41), at least one end of the connecting piece channel (414) being open; a connecting piece through hole (4113) being formed on a side wall of the connecting piece (41), the connecting piece through hole (4113) being in communication with the shell cavity (13) and the connecting piece channel (414); A storage bottle assembly (3), comprising a storage bottle (31), wherein the mouth of the storage bottle (31) is arranged at the open end of the connector channel (414); The fire extinguishing device is provided with a non-working state and a working state; When the fire extinguishing device is in the non-working state, the pressure in the shell cavity (13) is normal pressure, the bottle mouth is closed, and the storage bottle (31) and the shell cavity (13) are not connected; When the fire extinguishing device is in the working state, the bottle mouth is opened, and the storage bottle (31) and the housing cavity (13) are connected through the connecting piece channel (414) and the connecting piece through hole (4113).

2. The suspended fire extinguishing device according to claim 1, characterized in that: The shell (1) is an annular structure, and the shell installation opening (141) and the shell gap (143) are formed on the radial inner side of the shell (1); the shell gap (143) is located outside the shell installation opening (141), and the shell gap (143) communicates with the shell installation opening (141) and the shell cavity (13); The connecting member (41) comprises a base (411) and an upper connecting head (412); the base (411) is arranged in the shell gap (143); the side wall of the base (411) is formed with the connecting member through hole (4113); the upper connecting head (412) is arranged on the top of the base (411); and the top of the upper connecting head (412) is open.

3. The suspended fire extinguishing device according to claim 2, characterized in that: The connecting assembly (4) further comprises an upper nut (42), wherein the upper nut (42) is arranged on the upper connecting head (412) and is used to connect the upper connecting head (412) and the housing (1); The storage bottle assembly (3) further comprises a protective cover (32), wherein the protective cover (32) is arranged on the outside of the storage bottle (31) and the protective cover (32) is arranged on the upper nut (42) and connected to the upper nut (42).

4. The suspended fire extinguishing device according to claim 3, characterized in that: The upper nut (42) is formed with an upper nut connection structure; the protective cover (32) comprises a cover seat body (322) and a cover body (321); the cover seat body (322) is formed with a protective cover connection structure, and the protective cover connection structure is connected to the upper nut connection structure; The cover body (321) is arranged on the cover base body (322) or is integrally formed with the cover base body (322); the cover body (321) is arranged to form a protective cavity, and the storage bottle (31) is arranged in the protective cavity.

5. The suspended fire extinguishing device according to claim 4, characterized in that: The shell (1) comprises an upper shell (11) and a lower shell (12), wherein the upper shell (11) and the lower shell (12) are buckled together to form the shell cavity (13); the radial outer wall of the upper shell (11) and the radial outer wall of the lower shell (12) are connected together; the radial inner wall of the upper shell (11) is arranged to form an upper shell mounting opening, and the radial inner wall of the lower shell (12) is arranged to form a lower shell mounting opening, and the radial inner wall of the upper shell (11) and the radial inner wall of the lower shell (12) are spaced apart to form the shell gap (143); the upper shell mounting opening and the shell cavity (13) are connected via the shell gap (143), and the lower shell mounting opening and the shell cavity (13) are connected via the shell gap (143).

6. The suspended fire extinguishing device according to claim 5, characterized in that: The upper connecting head (412) is inserted into the upper shell installation opening, and a radial inner wall of the upper shell (11) is arranged between the upper nut (42) and the base (411); the connecting member (41) further comprises a lower connecting head (413), the lower connecting head (413) is arranged at the bottom of the base (411), and the lower connecting head (413) is inserted into the lower shell installation opening; A lower nut (43) is provided on the lower connecting head (413), and a radial inner wall of the lower shell (12) is provided between the lower nut (43) and the base (411).

7. The suspended fire extinguishing device according to claim 6, characterized in that: The shell gap (143) is an annular structure; the base (411), the upper connector (412) and the lower connector (413) are all cylindrical structures, and the base (411), the upper connector (412) and the lower connector (413) are coaxially arranged; the outer diameter of the base (411) is greater than the outer diameter of the upper connector (412), and the outer diameter of the base (411) is greater than the outer diameter of the lower connector (413); the interior of the upper connector (412), the interior of the base (411) and the interior of the lower connector (413) are sequentially connected to form the connector channel (414); The connecting member through holes (4113) are provided in plurality, and the plurality of connecting member through holes (4113) are arranged at intervals along the axial direction and / or the circumferential direction of the connecting member channel (414).

8. The suspended fire extinguishing device according to claim 1, characterized in that: A bottle seal is provided at the bottle mouth; the suspended fire extinguishing device further comprises a striker (53) and a temperature-sensing trigger mechanism (6), wherein the striker (53) is arranged in the connecting member channel (414); the temperature-sensing trigger mechanism (6) comprises a trigger assembly (62), and the trigger assembly (62) is arranged at one end of the connecting member (41) away from the storage bottle (31); When the fire extinguishing device is in the non-working state, the bottle seal closes the bottle mouth, and the striker (53) is away from the bottle seal; When the fire extinguishing device is in the working state, the trigger assembly (62) brings the striker (53) to pierce the bottle seal.

9. The suspended fire extinguishing device according to claim 8, characterized in that: The shell (1) is formed with an upper accommodating space (115) which is concave downward at the top of the shell installation opening (141), and the shell (1) is formed with a lower accommodating space (125) which is convex upward at the bottom of the shell installation opening (141); The upper accommodation space (115) can accommodate at least a portion of the storage bottle assembly (3), and the lower accommodation space (125) can accommodate at least a portion of the trigger assembly (62).

10. The suspended fire extinguishing device according to claim 1, characterized in that: The shell wall of the shell (1) is also formed with a shell discharge port (142), the shell discharge port (142) is located at the bottom of the shell (1), and the shell discharge port (142) is provided with a nozzle (23); a discharge channel is connected between the shell discharge port (142) and the nozzle (23); When the fire extinguishing device is in the non-working state, the discharge passage is closed, and the nozzle (23) and the housing cavity (13) are not connected; When the fire extinguishing device is in the working state, the discharge channel is opened, the nozzle (23) is connected to the shell cavity (13), and the nozzle (23) can spray the fire extinguishing agent in the shell cavity (13) toward the fire source.

Citation Information

Cited By

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    WO2025201548A1