Fire extinguishing device

Abstract

The utility model provides a fire extinguishing device which comprises a shell, a connecting piece, a firing pin assembly and a storage bottle, a shell mounting opening is formed in the shell wall of the shell, and a shell cavity is formed in the shell; the connecting piece is arranged at the shell mounting port, and a connecting piece channel is formed in the connecting piece; a connecting piece through hole communicated with the connecting piece channel and the shell cavity is formed in the side wall of the connecting piece; the firing pin assembly comprises a firing pin arranged in the connecting piece channel. A bottle opening of the storage bottle is arranged at one end of the connecting piece channel; when the fire extinguishing device is in a non-working state, the sealing piece in the connecting piece seals the connecting piece through hole, the bottle sealing piece seals the bottle opening, and the storage bottle is not communicated with the shell cavity; the path is sealed, and sealing is tight; when the fire extinguishing device is in a working state, the firing pin punctures the bottle sealing piece, and stored objects in the storage bottle can enter the connecting piece channel; when the stored material flows through the connecting piece through hole, the sealing piece in the connecting piece is separated from the connecting piece through hole, the stored material enters the shell cavity through the connecting piece through hole, the stored material flows smoothly, and the fire extinguishing efficiency is high.

Description

Technical Field

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

[0002] In the existing fire extinguishing device, it is proposed that a partition is provided in the storage tank, the partition divides the interior of the storage tank into an upper accommodating chamber storing foam fire extinguishing agent and a lower accommodating chamber storing nitrogen, an exhaust pipe connecting the upper accommodating chamber and the lower accommodating chamber is provided on the partition, a diaphragm is provided on the top of the exhaust pipe, a needle tube is provided inside the exhaust pipe, the diaphragm is pierced by the needle tube, so that the upper accommodating chamber and the lower accommodating chamber are connected; however, the internal structure of the storage tank is complicated, and the diaphragm is not tightly sealed; the reset spring, the puncture mechanism and the pull rope are all immersed in the foam fire extinguishing agent, the foam fire extinguishing agent is easy to block the puncture structure, and the elastic force of the reset spring and the tension of the pull rope are easy to lose. Summary of the invention

[0003] In view of this, the utility model provides a fire extinguishing device to solve the problems of complex internal structure of the storage tank in the existing fire extinguishing device, loose diaphragm sealing, easy clogging and puncture of the structure by foam fire extinguishing agent, and easy loss of elastic force of the reset spring and tension force of the pull rope.

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

[0005] A shell, a shell wall of which is formed with a shell installation port and a shell discharge port, and the interior of the shell is formed with a shell cavity; the shell discharge port is communicated with the shell cavity;

[0006] A connector, which is arranged at the shell mounting opening and has a connector channel formed inside the connector; a connector through hole is formed on the side wall of the connector, the connector through hole communicates with the connector channel and the shell cavity, and a connector seal is arranged at one end of the connector through hole;

[0007] a striker assembly, comprising a striker, the striker being disposed in the connector channel;

[0008] A storage bottle, the bottle mouth of which is arranged at one end of the connecting piece channel, and a bottle sealing piece is arranged at the bottle mouth;

[0009] The fire extinguishing device is provided with a non-working state and a working state;

[0010] When the fire extinguishing device is in the non-working state, the sealing member in the connecting member closes the connecting member through hole, the bottle sealing member closes the bottle mouth, and the storage bottle and the housing cavity are not connected;

[0011] When the fire extinguishing device is in the working state, the striker pierces the bottle seal, and the stored contents in the storage bottle can enter the connector channel; when the stored contents flow through the connector through hole, the stored contents cause the seal in the connector to open the connector through hole, and then enter the shell cavity and are discharged through the shell discharge port.

[0012] Further optionally, one end of the connector through hole close to the shell cavity is the connector outlet; the seal in the connector is an annular structure and is made of elastic material; the seal in the connector is sleeved on the outside of the connector and closes the outlet of the connector channel.

[0013] Further optionally, the striker assembly further comprises a striker sleeve, the striker sleeve being arranged in the connecting piece channel; a sleeve channel is formed inside the striker sleeve, the striker is slidably arranged in the sleeve channel, and the bottle mouth is arranged at one end of the sleeve channel; a sleeve through hole is formed on the side wall of the striker sleeve, and the sleeve through hole communicates with the sleeve channel and the connecting piece channel;

[0014] A sleeve inner seal is arranged between the sleeve channel and the storage bottle.

[0015] Further optionally, the striker assembly further comprises a striker base, the striker base is slidably disposed in the sleeve channel; the striker base is formed with a base mounting hole, the striker is disposed in the base mounting hole; the striker can slide along the sleeve channel with the striker base;

[0016] A base seal is provided between the striker base and the sleeve channel.

[0017] Further optionally, the sleeve channel comprises a first sleeve channel section, a second sleeve channel section and a third sleeve channel section which are sequentially arranged and connected along the axial direction of the striker sleeve, a sleeve inner sealing groove is formed on the side wall of the first sleeve channel section, and the sleeve inner sealing member is arranged in the sleeve inner sealing groove;

[0018] The firing pin base includes a first base section and a second base section which are arranged in sequence, the first base section is inserted into the second sleeve channel section, and a base mounting hole is formed at one end of the first base section away from the second base section; the second base section is slidably arranged in the third sleeve channel section, and the base seal is arranged between the second base section and the second sleeve channel section.

[0019] Further optionally, the outer side of the firing pin sleeve is provided with an upper sleeve outer seal and a lower sleeve outer seal, and the upper sleeve outer seal and the lower sleeve outer seal are both located between the connecting piece channel and the firing pin sleeve; along the axial direction of the firing pin sleeve, the upper sleeve outer seal and the lower sleeve outer seal are respectively located on both sides of the sleeve through hole.

[0020] Further optionally, the connector channel comprises a first connector channel section, a second connector channel section and a third connector channel section which are sequentially arranged and connected from top to bottom; the second connector channel section is provided with an inlet of the connector through hole;

[0021] The outer side wall of the firing pin sleeve includes a first sleeve section, a second sleeve section and a third sleeve section which are arranged in sequence along the axial direction of the firing pin sleeve, and the second sleeve section is provided with an outlet of the sleeve through hole; the first sleeve section is arranged in the first connecting piece channel section, the second sleeve section is arranged in the second connecting piece channel section, and the third sleeve section is arranged in the third connecting piece channel section; the sleeve outer upper seal is provided between the first sleeve section and the first connecting piece channel section, and the sleeve outer lower seal is provided between the third sleeve section and the third connecting piece channel section.

[0022] Further optionally, the shell comprises an upper shell and a lower shell, 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, and the radial inner wall of the upper shell and the radial inner wall of the lower shell form the shell installation opening; the radial inner wall of the upper shell and the radial inner wall of the lower shell are spaced apart from each other to form a shell gap, and the shell gap connects the shell installation opening and the shell cavity;

[0023] The connecting member includes a base, which is arranged in the shell gap, and the side wall of the base is formed with the connecting member through hole; the upper end surface of the base is formed with an upper annular groove, and the upper connecting member seal is arranged in the upper annular groove, and the upper connecting member seal abuts against the radial inner wall of the upper shell; the lower end surface of the base is formed with a lower annular groove, and the lower connecting member seal is arranged in the lower annular groove, and the lower connecting member seal abuts against the radial inner wall of the lower shell.

[0024] Further optionally, a nozzle is provided at the shell discharge port, a discharge channel is connected between the shell discharge port and the nozzle, and a plugging member is provided in the discharge channel;

[0025] When the blocking member closes the discharge channel, the nozzle and the housing cavity are not connected;

[0026] When the blocking member opens the discharge passage, the nozzle is communicated with the shell cavity, and the nozzle can spray out the fire extinguishing agent in the shell cavity.

[0027] Further optionally, a trigger assembly is further included, the trigger assembly is arranged at the other end of the connecting member, and the trigger assembly includes a slidable first trigger member, and on the path of the first trigger member, the first trigger member has a first position and a second position, the first position is far away from the connecting member, and the second position is close to the connecting member;

[0028] When the fire extinguishing device is in the non-working state, the first trigger member is in the first position;

[0029] When the fire extinguishing device is in the working state, the first trigger member slides from the first position to the second position and pierces the bottle sealing member with the striker.

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

[0031] The internal structure of the shell is simplified, so that the shell has a sufficient volume; when the fire extinguishing device is in a non-working state, the sealing member in the connector closes the connector through hole to achieve reverse sealing, preventing the stored objects in the shell cavity from reversely entering the connector channel and contacting with the air, which causes the problem that the fire extinguishing function of the stored objects in the shell cavity fails; the bottle seal closes the bottle mouth to achieve positive sealing, preventing the stored objects in the storage bottle from entering the connector channel, which causes the problem that the fire extinguishing function of the stored objects in the storage bottle fails; the path is sealed, the seal is tight, and the storage bottle and the connector channel are not connected; when the fire extinguishing device is in a working state, the striker pierces the bottle seal The seal member can make the stored contents in the storage bottle enter the connector channel. When the stored contents flow through the connector through hole, the seal member in the connector is separated from the connector through hole under the action of pressure, and the stored contents enter the shell cavity through the connector through hole and are discharged through the shell discharge port. The stored contents flow smoothly, the flow rate is sufficient, and the fire extinguishing efficiency is high. The connector and the striker assembly do not contact the stored contents in the shell cavity, thereby improving the reliability of the connector and the striker assembly. The problems of the complex internal structure of the storage tank in the existing fire extinguishing device, the loose diaphragm seal, the easy clogging and puncturing structure of the foam fire extinguishing agent, and the easy loss of the elastic force of the reset spring and the tensioning force of the pull rope 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 shaft side structure of a housing embodiment provided by the utility model;

[0035] Figure 1b A schematic cross-sectional structural diagram of a housing embodiment provided by the utility model;

[0036] Figure 2a and Figure 2b A schematic diagram of the structure of a connecting piece embodiment provided by the utility model;

[0037] Figure 3 A schematic diagram of the assembly structure of the connector assembly and the housing embodiment provided by the utility model;

[0038] Figure 4a and Figure 4b A schematic diagram of the structure of a striker sleeve embodiment provided by the utility model;

[0039] Figure 5 A schematic diagram of the assembly structure of the connecting piece and the striker sleeve embodiment provided by the utility model;

[0040] Figure 6a A schematic diagram of the structure of a firing pin embodiment provided by the utility model;

[0041] Figure 6b A schematic diagram of the structure of an embodiment of a striker base provided by the utility model;

[0042] Figure 7a and Figure 7b A schematic diagram of the assembly structure of a striker assembly embodiment provided by the utility model;

[0043] Figure 8a A schematic diagram of the assembly structure of the striker assembly and storage bottle embodiment provided by the utility model;

[0044] Figure 8b It is a schematic diagram of the assembly structure of the embodiment of the utility model when the striker assembly and the storage bottle are in a non-working state;

[0045] Figure 8c It is a schematic diagram of the assembly structure of the embodiment of the utility model when the striker assembly and the storage bottle are in a working state;

[0046] Fig. 9 A schematic diagram of the assembly structure of the connecting piece, the striker assembly and each sealing piece embodiment provided by the utility model;

[0047] Fig.10 A schematic diagram of the assembly structure of the nozzle assembly embodiment provided by the utility model;

[0048] Fig.11a This is a schematic diagram of the assembly structure of the fire extinguishing device (without the temperature-sensing trigger mechanism and the nozzle assembly) provided by the utility model when it is in a non-working state;

[0049] Fig.11b It is a schematic diagram of the assembly structure of the fire extinguishing device (without the temperature-sensing trigger mechanism and the nozzle assembly) provided by the utility model when it is in a working state;

[0050] Fig.12a and Figure 12b A schematic diagram of the assembly structure of a fire extinguishing device embodiment provided by the utility model;

[0051] Fig.12c A schematic cross-sectional view of an embodiment of a fire extinguisher (without a nozzle assembly) provided by the utility model;

[0052] Fig.13a It is a cross-sectional structural schematic diagram of an embodiment of the fire extinguishing device (with a temperature-sensing trigger mechanism and a nozzle assembly) provided by the utility model when it is in a non-working state;

[0053] Fig.13b A schematic cross-sectional view of the fire extinguishing device (with a temperature-sensing trigger mechanism and a nozzle assembly) provided by the utility model when in a working state;

[0054] In the figure:

[0055] 1-shell; 11-upper shell; 115-upper accommodation space; 12-lower shell; 125-lower accommodation space; 13-shell cavity; 141-shell installation port; 142-shell discharge port; 143-shell gap;

[0056] 2-nozzle assembly; 21-nozzle seat; 22-nozzle nut; 23-nozzle;

[0057] 3-storage bottle assembly; 31-storage bottle; 32-protective cover; 33-bottle seal;

[0058] 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; 42-upper nut; 43-lower nut; 441-connection piece upper seal; 442-connection piece lower seal; 443-connection piece middle seal;

[0059] 5- striker assembly; 51- striker sleeve; 511- sleeve channel; 5111- first sleeve section; 5112- second sleeve section; 5113- third sleeve section; 5114- fourth sleeve section; 5115- first sleeve channel section; 5116- second sleeve channel section; 5117- third sleeve channel section; 5118- inner sealing groove of sleeve; 512- sleeve through hole; 513- outer sealing groove of first sleeve; 514- outer sealing groove of second sleeve; 52- striker base; 521- first base section; 522- second base section; 53- striker; 531- striker channel; 532- striker through hole; 541- inner seal of sleeve; 542- base seal; 551- outer upper seal of sleeve; 552- outer lower seal of sleeve;

[0060] 6-temperature sensing trigger mechanism; 61-sliding seat; 62-trigger assembly; 621-sliding plate; 622-middle piece; 623-sliding block; 63-elastic piece; 64-temperature sensing mechanism. DETAILED DESCRIPTION

[0061] 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.

[0062] 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.

[0063] 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.

[0064] 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.

[0065] In the prior art, it is proposed that a partition is provided in the storage tank, the partition divides the interior of the storage tank into an upper accommodating chamber storing a foam fire extinguishing agent and a lower accommodating chamber storing nitrogen, an exhaust pipe connecting the upper accommodating chamber and the lower accommodating chamber is provided on the partition, a diaphragm is provided on the top of the exhaust pipe, a needle tube is provided inside the exhaust pipe, and the diaphragm is pierced through the needle tube to connect the upper accommodating chamber and the lower accommodating chamber; however, the internal structure of the storage tank is complicated, the nitrogen does not flow smoothly through the needle tube and the exhaust pipe, and the diaphragm is not tightly sealed;

[0066] The utility model creatively provides a fire extinguishing device, comprising a shell, a connecting piece, a striker assembly and a storage bottle, wherein the shell wall is formed with a shell mounting port and a shell discharge port, and the shell interior is formed with a shell cavity; the connecting piece is arranged at the shell mounting port and a connecting piece channel is formed therein; a connecting piece through hole connecting the connecting piece channel and the shell cavity is formed on the side wall of the connecting piece; the striker assembly comprises a striker arranged in the connecting piece channel; the bottle mouth of the storage bottle is arranged at one end of the connecting piece channel;

[0067] When the fire extinguishing device is in a non-working state, the sealing member in the connecting member closes the connecting member through hole, the bottle sealing member closes the bottle mouth, and the storage bottle and the shell cavity are not connected; the seal is tight and the fire extinguishing device has high reliability;

[0068] When the fire extinguishing device is in working state, the striker pierces the bottle seal, and the stored contents in the storage bottle can enter the connector channel; when the stored contents flow through the connector through hole, the seal in the connector is separated from the connector through hole, and the stored contents enter the shell cavity through the connector through the connector through hole and are discharged through the shell discharge port. The stored contents flow smoothly, the flow rate is sufficient, and the fire extinguishing efficiency is high.

[0069] like Figures 1a to 13b As shown, this embodiment provides a fire extinguishing device, including:

[0070] The shell 1 has a shell installation port 141 and a shell discharge port 142 formed on its shell wall, and a shell cavity 13 is formed inside the shell 1; the shell discharge port 142 is connected to the shell cavity 13;

[0071] A connector 41 is provided at the shell mounting opening 141 and has a connector passage 414 formed therein; a connector through hole 4113 is formed on the side wall of the connector 41, the connector through hole 4113 communicates with the connector passage 414 and the shell cavity 13, and a connector middle seal 443 is provided at one end of the connector through hole 4113;

[0072] The striker assembly 5 includes a striker 53, and the striker 53 is disposed in the connector channel 414;

[0073] A storage bottle 31, whose bottle mouth is arranged at one end of the connector passage 414, and a bottle sealing member 33 is arranged at the bottle mouth;

[0074] The fire extinguishing device has non-working state and working state;

[0075] When the fire extinguishing device is in a non-working state, the sealing member 443 in the connector closes the connector through hole 4113 to achieve reverse sealing, preventing the stored items in the shell cavity 13 from reversely entering the connector channel 414 and contacting with the air, resulting in the problem that the fire extinguishing function of the stored items in the shell cavity 13 fails; the bottle sealing member 33 closes the bottle mouth to achieve forward sealing, preventing the stored items in the storage bottle 31 from entering the connector channel 414, resulting in the problem that the fire extinguishing function of the stored items in the storage bottle 31 fails; the path is sealed and tightly sealed, and the storage bottle 31 and the shell cavity 13 are not connected; the pressure in the shell cavity 13 is normal pressure, and 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;

[0076] When the fire extinguishing device is in working state, the striker 53 pierces the bottle seal 33, and the stored contents in the storage bottle 31 can enter the connector channel 414; when the stored contents flow through the connector through hole 4113, the seal 443 in the connector is separated from the connector through hole 4113 and the connector through hole 4113 is opened, and the stored contents enter the shell cavity 13 through the connector through hole 4113, and the stored contents in the storage bottle 31 and the stored contents in the shell cavity 13 are mixed to generate a fire extinguishing agent, which is discharged through the shell discharge port 142; the fire extinguishing agent flows smoothly, the flow rate is sufficient, and the fire extinguishing efficiency is high; the connector and the striker assembly do not contact the stored contents in the shell cavity, thereby improving the reliability of the connector and the striker assembly.

[0077] Further, one end of the connector through hole 4113 close to the housing cavity 13 is the outlet of the connector channel 414; the connector seal 443 is an annular structure and is made of elastic material; the connector seal 443 is sleeved on the outside of the connector 41;

[0078] When the fire extinguishing device is in a non-operating state, the seal 443 in the connector closes the outlet of the connector passage 414;

[0079] When the fire extinguishing device is in working state, the sealing member 443 in the connecting member is stretched open under the action of pressure and the connecting member through hole 4113 is opened.

[0080] In order to solve the sealing problem between the storage bottle 31 and the connecting piece 41, the present embodiment proposes that the striker assembly 5 further includes a striker sleeve 51, which is disposed in the connecting piece channel 414; a sleeve channel 511 is formed inside the striker sleeve 51, a striker 53 is slidably disposed in the sleeve channel 511, and a bottle mouth is disposed at one end of the sleeve channel 511; 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 connecting piece channel 414;

[0081] A sleeve inner seal 541 is provided between the sleeve passage 511 and the bottle mouth.

[0082] Specifically, a firing pin channel 531 is formed inside the firing pin 53, one end of which is open and spike-shaped; a firing pin through hole 532 is formed on the side wall of the firing pin 53; the firing pin channel 531, the firing pin through hole 532, the sleeve channel 511 and the sleeve through hole 512 are connected in sequence; the firing pin through hole 532 is a wavy structure or a serrated structure, which increases the flow area of ​​the firing pin through hole 532; preferably, the firing pin through hole 532 is a serrated structure.

[0083] In order to solve the sealing problem between the striker 53 and the striker sleeve 51, the present embodiment proposes that the striker assembly 5 further includes a striker base 52, which is slidably disposed in the sleeve channel 511; the striker base 52 is formed with a base mounting hole 5211, in which the striker 53 is disposed; the striker 53 can slide along the sleeve channel 511 along with the striker base 52;

[0084] A base seal 542 is provided between the striker base 52 and the sleeve passage 511 .

[0085] Further, the sleeve channel 511 includes a first sleeve channel section 5115, a second sleeve channel section 5116 and a third sleeve channel section 5117 which are sequentially arranged and connected along the axial direction of the striker sleeve 51, and the inner diameters of the first sleeve channel section 5115, the second sleeve channel section 5116 and the third sleeve channel section 5117 decrease in sequence; a sleeve inner sealing groove 5118 is formed on the side wall of the first sleeve channel section 5115, and a sleeve inner sealing member 541 is arranged in the sleeve inner sealing groove 5118;

[0086] The striker base 52 includes a first base section 521 and a second base section 522 which are arranged in sequence. The outer diameter of the first base section 521 is larger than the outer diameter of the second base section 522. The first base section 521 is inserted into the second sleeve channel section 5116. A base mounting hole 5211 is formed at one end of the first base section 521 away from the second base section 522. The second base section 522 is slidably arranged in the third sleeve channel section 5117. A base seal 542 is arranged between the second base section 522 and the second sleeve channel section 5116.

[0087] Specifically, the sleeve inner seal 541 and the base seal 542 are both annular structures.

[0088] In order to solve the sealing problem between the striker sleeve 51 and the connecting member 41, the present embodiment proposes that the outer side of the striker sleeve 51 is provided with a sleeve outer upper seal 551 and a sleeve outer lower seal 552, and the sleeve outer upper seal 551 and the sleeve outer lower seal 552 are both located between the connecting member channel 414 and the striker sleeve 51; along the axial direction of the striker sleeve 51, the sleeve outer upper seal 551 and the sleeve outer lower seal 552 are respectively located on both sides of the sleeve through hole 512;

[0089] When the fire extinguishing device is in working state, the stored contents in the storage bottle 31 enter the striker channel 531 and enter the sleeve channel 511 through the striker through hole 532. Due to the sealing effect of the sleeve inner seal 541 and the base seal 542, the stored contents can only enter the connector channel 414 through the sleeve through hole 512. Due to the sealing effect of the sleeve outer upper seal 551 and the sleeve outer lower seal 552, the stored contents can only enter the shell cavity 13 through the connector through hole 4113.

[0090] Further, the connector channel 414 includes a first connector channel section 4141, a second connector channel section 4142 and a third connector channel section 4143 which are sequentially arranged and connected from top to bottom; the second connector channel section 4142 is provided with an inlet of the connector through hole 4113;

[0091] The outer side wall of the firing pin sleeve 51 includes a first sleeve section 5111, a second sleeve section 5112 and a third sleeve section 5113 which are arranged in sequence along the axial direction of the firing pin sleeve 51, and the second sleeve section 5112 is provided with an outlet of the sleeve through hole 512; the first sleeve section 5111 is arranged in the first connecting piece channel section 4141, the second sleeve section 5112 is arranged in the second connecting piece channel section 4142, and the third sleeve section 5113 is arranged in the third connecting piece channel section 4143; a sleeve outer upper seal 551 is provided between the first sleeve section 5111 and the first connecting piece channel section 4141, and a sleeve outer lower seal 552 is provided between the third sleeve section 5113 and the third connecting piece channel section 4143.

[0092] Specifically, the connector channel 414 further includes a fourth connector channel section 4144, which is connected to an end of the third connector channel section 4143 away from the second connector channel section 4142; the inner diameter of the first connector channel section 4141 is greater than the inner diameter of the second connector channel section 4142, the inner diameter of the second connector channel section 4142 is greater than the inner diameter of the third connector channel section 4143, and the inner diameter of the third connector channel section 4143 is greater than the inner diameter of the fourth connector channel section 4144; the connector through hole 4113 corresponds to the second connector channel section 4142;

[0093] Along the axial direction of the striker sleeve 51, the outer side wall of the striker sleeve 51 further includes a fourth sleeve segment 5114, and the fourth sleeve segment 5114 is connected to an end of the third sleeve segment 5113 away from the second sleeve segment 5112; the outer diameter of the first sleeve segment 5111 is greater than the outer diameter of the second sleeve segment 5112, the outer diameter of the second sleeve segment 5112 is greater than the outer diameter of the third sleeve segment 5113, the outer diameter of the third sleeve segment 5113 is greater than the outer diameter of the fourth sleeve segment 5114, and the sleeve through hole 512 corresponds to the second sleeve segment 5112;

[0094] The fourth sleeve section 5114 is arranged in the fourth connecting member channel section 4144; the first sleeve section 5111 is formed with a first sleeve outer sealing groove 513, and a sleeve outer upper seal 551 is arranged in the first sleeve outer sealing groove 513; the third sleeve section 5113 is formed with a second sleeve outer sealing groove 514, and a sleeve outer lower seal 552 is arranged in the second sleeve outer sealing groove 514; specifically, the sleeve outer upper seal 551 and the sleeve outer lower seal 552 are both annular structures.

[0095] Further, the housing 1 includes an upper housing 11 and a lower housing 12, and the upper housing 11 and the lower housing 12 are buckled together to form a housing cavity 13; the radial outer wall of the upper housing 11 and the radial outer wall of the lower housing 12 are connected together, and the radial inner wall of the upper housing 11 and the radial inner wall of the lower housing 12 form a housing installation opening 141; the radial inner wall of the upper housing 11 and the radial inner wall of the lower housing 12 are spaced apart from each other to form a housing gap 143, and the housing gap 143 communicates the housing installation opening 141 and the housing cavity 13;

[0096] The connecting member 41 includes a base 411, which is arranged in the shell gap 143, and a connecting member through hole 4113 is formed on the side wall of the base 411; an upper annular groove 4111 is formed on the upper end surface of the base, and a connecting member upper seal 441 is arranged in the upper annular groove 4111, and the connecting member upper seal 441 abuts against the radial inner wall of the upper shell 11; a lower annular groove 4112 is formed on the lower end surface of the base, and a connecting member lower seal 442 is arranged in the lower annular groove 4112, and the connecting member lower seal 442 abuts against the radial inner wall of the lower shell 12;

[0097] Specifically, the connector upper seal 441 and the connector lower seal 442 are both annular structures.

[0098] In view of the problem of discharging the fire extinguishing agent from the shell 1, the present embodiment proposes that a nozzle assembly 2 is provided at the shell discharge port 142, and 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, and 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; a nozzle seat seal is provided between the nozzle seat 21 and the side wall of the shell discharge port 142, so that the nozzle seat 21 and the side wall of the shell discharge port 142 are sealed and connected; the nozzle 23 is provided 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 provided in the discharge channel; specifically, the shell discharge port 142 is provided with at least one;

[0099] When the blocking member closes the discharge passage, the nozzle 23 and the housing cavity 13 are not connected;

[0100] When the blocking member opens the discharge channel, 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;

[0101] 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.

[0102] In view of the problem that the driving device required for the striker 53 to pierce the bottle seal 33 is complex in structure, the present embodiment proposes that the fire extinguishing device further includes a trigger assembly 62, which is disposed at the other end of the connecting member 41, and includes a slidable first trigger member, and on the path of the first trigger member, the first trigger member has a first position and a second position, the first position is far from the connecting member 41, and the second position is close to the connecting member 41;

[0103] When the fire extinguishing device is in a non-working state, the first trigger member is in a first position;

[0104] When the fire extinguishing device is in working state, the first trigger member slides from the first position to the second position and pierces the bottle sealing member 33 with the striker 53;

[0105] Specifically, the fire extinguishing device further includes a slide seat 61 , and a slideway 615 is formed inside the slide seat 61 ; the first trigger member is slidably disposed in the slideway 615 , and the first trigger member approaches the striker 53 along the slideway 615 and slides with the striker 53 .

[0106] Further, the slide includes a first slide end close to the connecting member channel 414 and a second slide end away from the connecting member channel 414; the first trigger is arranged close to the first slide end, and the first trigger is connected to the second slide end through an elastic member 63;

[0107] The trigger assembly 62 further includes a second trigger member, one end of which is movably connected to the first trigger member;

[0108] When the fire extinguishing device is in a non-working state, the other end of the second trigger member is limited at the end of the middle member 622 close to the second slide end, and the elastic member 63 stores energy;

[0109] When the fire extinguishing device is in working state, the elastic member 63 releases energy, the other end of the second trigger member and the end of the intermediate member 622 close to the second slide end are separated, and the first trigger member slides with the striker 53;

[0110] Specifically, the first triggering member is a slider 623 , and the second triggering member is a slide plate 621 .

[0111] In addition, the fire extinguishing device further includes a temperature sensing mechanism 64, which is disposed at one end of the slide seat 61 away from the connecting member 41;

[0112] 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;

[0113] When the fire extinguishing device is in working state, the temperature sensing mechanism 64 loses its abutment effect, the trigger assembly 62 moves toward the direction close to the striker and drives the striker 5 to pierce the bottle seal 33;

[0114] The trigger assembly 62 and the temperature sensing mechanism 64 constitute a temperature sensing trigger mechanism 6;

[0115] Furthermore, the temperature sensing mechanism 64 can sense the ambient temperature and has an inherent temperature;

[0116] When the ambient temperature is lower than the inherent temperature, the temperature sensing mechanism 64 applies abutting force to the second trigger member, and the other end of the second trigger member is limited at the second slide end 615;

[0117] When the ambient temperature is equal to or higher than the inherent temperature, the temperature sensing mechanism 64 does not apply abutting force to the second trigger member, and the other end of the second trigger member can be separated from the second slide end 615;

[0118] Among them, the ambient temperature is the temperature of the environment in which the temperature-sensitive self-actuating fire extinguisher is located.

[0119] Specifically, the temperature sensing mechanism 64 includes a fusible alloy part, which can sense the ambient temperature and then change its state. The fusible alloy part has an unmelted state and a melted state. When the ambient temperature is lower than the inherent temperature, the fusible alloy part is in an unmelted state, and the temperature sensing mechanism 64 can apply an abutting force to the second trigger part. When the ambient temperature is equal to or higher than the inherent temperature, the fusible alloy part is in a melted state, and the temperature sensing mechanism 64 does not apply an abutting force to the second trigger part.

[0120] The housing cavity 13 can store a first storage object, and the storage bottle 31 can store a second storage object;

[0121] When the fire extinguishing device is in a non-operating state, the pressure in the housing cavity 13 is normal pressure;

[0122] When the fire extinguishing device is in working state, the striker 53 can pierce the bottle seal 33, and the storage bottle 31, the striker channel 531, the striker through hole 532, the sleeve channel 511, the connector channel 414 and the connector through hole 4113 and the shell cavity 13 are connected in sequence to form a discharge flow path; the second stored object can enter the shell cavity 13 through the discharge flow path, and the second stored object is mixed with the first stored object to generate a fire extinguishing agent; the fire extinguishing agent can be used to extinguish a fire.

[0123] Further, the shell 1 is an annular structure, and a shell mounting opening 141 and a shell gap arranged outside the shell mounting opening 141 are formed on the radial inner side of the shell 1, and the shell 1 gap communicates with the shell mounting opening 141 and the shell cavity 13; the shell 1 forms an upper accommodating space 115 at the top of the shell mounting opening 141, and the shell 1 forms a lower accommodating space 125 at the bottom of the shell mounting opening 141, and the upper accommodating space 115 and the lower accommodating space 125 are both communicated with the shell mounting opening 141; the portion of the storage bottle 31 close to the bottle opening is arranged in the upper accommodating space 115, and at least a portion of the trigger assembly 62 is arranged in the lower accommodating space 125; preferably, the upper accommodating space 115 is a cavity concave downward, and the lower accommodating space 125 is a cavity convex upward;

[0124] 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 containing bicarbonate, 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.

[0125] In view of the problem that the processing of the housing 1 is complicated, the present embodiment proposes that the housing 1 includes an upper housing 11 and a lower housing 12, which are arranged opposite to each other up and down and buckled together to form a housing cavity 13;

[0126] 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 and the radial inner wall of the lower shell 12 form a shell installation opening 141, and the radial inner wall of the upper shell 11 and the radial inner wall of the lower shell 12 are arranged in a vertical interval to form a shell gap, and the shell gap communicates with the shell installation opening 141 and the housing cavity 13;

[0127] Furthermore, the upper shell 11 and the lower shell 12 are symmetrically arranged in the upper and lower parts, and both of them are annular structures. 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 shell cavity 13 is increased and can withstand a certain pressure; the appearance is beautiful and the structure is compact.

[0128] The connector 41 includes an upper connector 412, a base 411 and a lower connector 413 which are arranged in sequence. The upper connector 412 and the lower connector 413 are used to connect the connector 41 and the housing 1. The base 411 is arranged in the housing gap, and a connector through hole 4113 is formed on the side wall of the base 411. The interior of the upper connector 412, the interior of the base 411 and the interior of the lower connector 413 are connected in sequence to form a connector channel 414.

[0129] An upper nut 42 is provided on the upper connecting head 412, and the upper nut 42 can fix the radial inner wall of the upper shell 11 between the upper nut 42 and the base 411; a protective cover 32 is provided on the upper nut 42, and the protective cover 32 is arranged around the outer side of the storage bottle 31, so that the bottle mouth of the storage bottle 31 abuts against the striker sleeve 51; the storage bottle 31 and the protective cover 32 constitute a storage bottle assembly; a trigger assembly 62 is provided at one end of the lower connecting head 413 away from the base 411, and a lower nut 43 is provided on the lower connecting head 413, and the lower nut 43 is used to fix the radial inner wall of the lower shell 12 between the lower nut 43 and the base 411; a trigger assembly 62 is provided on the lower connecting head 413.

[0130] 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 fire extinguishing device, characterized in that: include: A shell (1), a shell wall of which is formed with a shell installation port (141) and a shell discharge port (142), and a shell cavity (13) is formed inside the shell (1); the shell discharge port (142) is in communication with the shell cavity (13); A connecting piece (41), which is arranged at the shell mounting opening (141) and has a connecting piece channel (414) formed inside the connecting piece (41); a connecting piece through hole (4113) is formed on the side wall of the connecting piece (41), the connecting piece through hole (4113) communicates with the connecting piece channel (414) and the shell cavity (13), and a connecting piece middle seal (443) is provided at one end of the connecting piece through hole (4113); A striker assembly (5), comprising a striker (53), wherein the striker (53) is disposed in the connector channel (414); A storage bottle (31), the bottle mouth of which is arranged at one end of the connector channel (414), and a bottle sealing member (33) is arranged at the bottle mouth; 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 sealing member (443) in the connecting member closes the connecting member through hole (4113), the bottle sealing member (33) closes the bottle mouth, and the storage bottle (31) and the housing cavity (13) are not connected; When the fire extinguishing device is in the working state, the striker (53) pierces the bottle seal (33), and the stored contents in the storage bottle (31) can enter the connector channel (414); when the stored contents flow through the connector through hole (4113), the stored contents cause the seal (443) in the connector to open the connector through hole (4113), and then enter the shell cavity (13) and are discharged through the shell discharge port (142).

2. The fire extinguishing device according to claim 1, characterized in that: One end of the connecting piece through hole (4113) close to the shell cavity (13) is the outlet of the connecting piece channel (414); the sealing member (443) in the connecting piece is an annular structure and is made of elastic material; the sealing member (443) in the connecting piece is sleeved on the outside of the connecting piece (41) and closes the outlet of the connecting piece channel (414).

3. The fire extinguishing device according to claim 1, characterized in that: The striker assembly (5) further comprises a striker sleeve (51), wherein the striker sleeve (51) is arranged in the connecting piece channel (414); a sleeve channel (511) is formed inside the striker sleeve (51), wherein the striker (53) is slidably arranged in the sleeve channel (511), and the bottle mouth is arranged at one end of the sleeve channel (511); a sleeve through hole (512) is formed on the side wall of the striker sleeve (51), wherein the sleeve through hole (512) communicates with the sleeve channel (511) and the connecting piece channel (414); A sleeve inner seal (541) is provided between the sleeve channel (511) and the storage bottle.

4. The fire extinguishing device according to claim 3, characterized in that: The striker assembly (5) further comprises a striker base (52), wherein the striker base (52) is slidably disposed in the sleeve channel (511); the striker base (52) is formed with a base mounting hole (5211), wherein the striker (53) is disposed in the base mounting hole (5211); the striker (53) can slide along the sleeve channel (511) along with the striker base (52); A base seal (542) is provided between the striker base (52) and the sleeve channel (511).

5. The fire extinguishing device according to claim 4, characterized in that: The sleeve channel (511) comprises a first sleeve channel section (5115), a second sleeve channel section (5116) and a third sleeve channel section (5117) which are sequentially arranged and connected along the axial direction of the striker sleeve (51), a sleeve inner sealing groove (5118) is formed on the side wall of the first sleeve channel section (5115), and the sleeve inner sealing member (541) is arranged in the sleeve inner sealing groove (5118); The striker base (52) includes a first base section (521) and a second base section (522) which are arranged in sequence, the first base section (521) is inserted into the second sleeve channel section (5116), and the base mounting hole (5211) is formed at one end of the first base section (521) away from the second base section (522); the second base section (522) is slidably arranged in the third sleeve channel section (5117), and the base seal (542) is arranged between the second base section (522) and the second sleeve channel section (5116).

6. The fire extinguishing device according to claim 3, characterized in that: The outer side of the striker sleeve (51) is provided with an outer sleeve upper seal (551) and an outer sleeve lower seal (552), and the outer sleeve upper seal (551) and the outer sleeve lower seal (552) are both located between the connecting piece channel (414) and the striker sleeve (51); along the axial direction of the striker sleeve (51), the outer sleeve upper seal (551) and the outer sleeve lower seal (552) are respectively located on both sides of the sleeve through hole (512).

7. The fire extinguishing device according to claim 6, characterized in that: The connecting piece channel (414) comprises a first connecting piece channel section (4141), a second connecting piece channel section (4142) and a third connecting piece channel section (4143) which are arranged in sequence from top to bottom and are connected; the second connecting piece channel section (4142) is provided with an inlet of the connecting piece through hole (4113); The outer side wall of the striker sleeve (51) comprises a first sleeve section (5111), a second sleeve section (5112) and a third sleeve section (5113) which are sequentially arranged along the axial direction of the striker sleeve (51), and the second sleeve section (5112) is provided with an outlet of the sleeve through hole (512); the first sleeve section (5111) is arranged in the first connecting piece channel section (4141), the second sleeve section (5112) is arranged in the second connecting piece channel section (4142), and the third sleeve section (5113) is arranged in the third connecting piece channel section (4143); the sleeve outer upper seal (551) is arranged between the first sleeve section (5111) and the first connecting piece channel section (4141), and the sleeve outer lower seal (552) is arranged between the third sleeve section (5113) and the third connecting piece channel section (4143).

8. The fire extinguishing device according to claim 1, 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, and the radial inner wall of the upper shell (11) and the radial inner wall of the lower shell (12) form the shell installation opening (141); the radial inner wall of the upper shell (11) and the radial inner wall of the lower shell (12) are spaced apart from each other to form a shell gap (143), and the shell gap (143) communicates the shell installation opening (141) and the shell cavity (13); The connecting member (41) comprises a base (411), the base (411) is arranged in the shell gap (143), and the side wall of the base (411) is formed with the connecting member through hole (4113); the upper end surface of the base (411) is formed with an upper annular groove (4111), and a connecting member upper seal (441) is arranged in the upper annular groove (4111), and the connecting member upper seal (441) abuts against the radial inner wall of the upper shell (11); the lower end surface of the base (411) is formed with a lower annular groove (4112), and a connecting member lower seal (442) is arranged in the lower annular groove (4112), and the connecting member lower seal (442) abuts against the radial inner wall of the lower shell (12).

9. The fire extinguishing device according to claim 1, characterized in that: A nozzle (23) is provided at the shell discharge port (142), a discharge channel is communicated between the shell discharge port (142) and the nozzle (23), and a blocking member is provided in the discharge channel; When the blocking member closes the discharge channel, the nozzle (23) and the housing cavity (13) are not in communication; When the blocking member opens the discharge channel, the nozzle (23) and the shell cavity (13) are connected, and the nozzle (23) can spray out the fire extinguishing agent in the shell cavity (13).

10. The fire extinguishing device according to claim 1, characterized in that: The invention also comprises a trigger assembly (62), wherein the trigger assembly (62) is arranged at the other end of the connecting member (41), and the trigger assembly (62) comprises a slidable first trigger member, and on the path of the first trigger member, the first trigger member has a first position and a second position, wherein the first position is far from the connecting member (41), and the second position is close to the connecting member (41); When the fire extinguishing device is in the non-working state, the first trigger member is in the first position; When the fire extinguishing device is in the working state, the first trigger member slides from the first position to the second position and pierces the bottle sealing member with the striker (53).

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