CN110841233A - Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems - Google Patents
Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems Download PDFInfo
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- CN110841233A CN110841233A CN201911310358.3A CN201911310358A CN110841233A CN 110841233 A CN110841233 A CN 110841233A CN 201911310358 A CN201911310358 A CN 201911310358A CN 110841233 A CN110841233 A CN 110841233A
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- 238000001514 detection method Methods 0.000 title claims description 19
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a manual starting device special for an indirect fire detecting tube fire extinguishing system, which comprises a first shell, a fire detecting tube and a manual starting part, wherein the first shell is provided with a first opening; one end of the fire detecting pipe extends into the first shell; the manual starting piece comprises a button, a pressure relief piece and a second shell, the second shell is installed on the first shell, the pressure relief piece is installed in the second shell and can act on the fire detecting pipe to relieve the pressure of the fire detecting pipe, and the button is connected with the pressure relief piece and used for pushing the pressure relief piece to move in the second shell. The invention solves the technical problem that the existing indirect fire detecting tube fire extinguishing system has no manual starting device, ensures the system to be started quickly and reliably in a manual state, implements the fire extinguishing function in the best fire extinguishing stage with people on duty at the beginning of a fire and reduces property loss.
Description
Technical Field
The invention belongs to the technical field of fire extinguishing devices, and particularly relates to a manual starting device special for an indirect fire detecting tube fire extinguishing system.
Background
In practical engineering application, due to the difference between a protected object and an engineering using environment, when a fire detection pipe serving as a fire signal detection and starting function is actually arranged, the indirect fire detection pipe fire extinguishing system is difficult to completely meet the requirement that the fire detection pipe is suitable to be arranged right above the protected object and the distance is not more than 600 mm. Therefore, in practical application, the indirect fire-detecting pipe fire-extinguishing system has the use defects of delayed starting and missing of the optimal fire-extinguishing time, and the optimal way for solving the technical problem is to add a manual starting device to the system, so that the whole system can timely and quickly exert the fire-extinguishing effect when people are in a punctual state.
In addition to the above, the known manual actuating devices for fire fighting equipment, such as chinese patents CN203483772U, CN1691080A, CN201783119U and CN103157209, have been proposed as manual actuating devices for fire fighting equipment, but they are relatively specific and cannot be used with indirect fire detecting tube fire extinguishing systems due to their actuating conditions and the special structure of the container valve. For example, the passive manual starting device of the fire extinguishing device disclosed in CN203483772U is developed based on the heat-sensitive technology in the pyrotechnic composition technology, and is suitable for a fire extinguishing system started by using a heat-sensitive wire; the remote wireless starting device disclosed in CN1691080A is suitable for an electric control-based fire extinguishing system; a gas storage cylinder type outdoor manual starting device of a cabinet type gas fire extinguishing system disclosed in CN201783119U is suitable for cabinet type heptafluoropropane fire extinguishing systems and the like. CN103157209 discloses a manual starting device of a pressure storage type dry powder fire extinguishing system for vehicles.
The manual starting devices of the prior art are not suitable for use in indirect fire detecting tube fire extinguishing systems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a special manual starting device for an indirect fire detecting tube fire extinguishing system, which has the advantages of novel structure, safety in use, low cost and high efficiency.
In order to solve the technical problem, the technical scheme of the invention is as follows: a manual starting device special for an indirect fire detecting tube fire extinguishing system comprises a first shell, a fire detecting tube and a manual starting part;
one end of the fire detecting pipe extends into the first shell; the manual starting part comprises a button, a pressure relief piece and a second shell, the second shell is installed on the first shell, the pressure relief piece is installed in the second shell and can act on the fire detecting tube to reduce the pressure of the fire detecting tube, and the button is connected with the pressure relief piece and used for pushing the pressure relief piece to move in the second shell.
Preferably, the pressure relief piece comprises a connecting rod, a sliding rod and a gland; the second shell is provided with a cylindrical stepped hole, and the fire detecting pipe extends into the small-diameter hole of the cylindrical stepped hole; the sliding rod is in sliding fit with the inner wall of the large-diameter hole of the cylindrical stepped hole, and the gland is arranged at the outer end of the sliding rod; connecting rod one end is connected with first button, and the connecting rod other end passes gland, slide bar in proper order and stretches into depressed part and connecting rod and slide bar sliding fit to the connecting rod is located depressed part one end and is equipped with the blade, is equipped with in the slide bar around the chamber that holds that the connecting rod set up, holds the intracavity and is equipped with the first spring of cover at the connecting rod outside, is equipped with the limiting plate with first spring coupling on the connecting rod. .
Preferably, the sliding rod is provided with a first safety pin for limiting the connecting rod.
Preferably, the pressure relief piece comprises a joint and a puncture needle, the joint is arranged on the first shell and extends into the first shell, and the joint is provided with a hollow cavity communicated with the fire detection tube; the second shell is connected with the joint, the second shell is provided with a communicating cavity, and a sealing film for blocking the communicating cavity from communicating with the hollow cavity is arranged in the second shell; one end of the puncture needle extends into the communicating cavity and is in sliding fit with the second shell, the other end of the puncture needle is connected with the second button, and a second spring is sleeved outside a section of the puncture needle between the second button and the second shell.
Preferably, the lancet is provided with a second safety pin for limiting the lancet.
Preferably, the pressure relief piece comprises a valve core, a self-locking nut and a push rod, the self-locking nut is installed on the first shell and extends into the first shell to be connected with the second shell, the self-locking nut is sleeved on the periphery of the push rod, a hollow cavity communicated with the fire detecting tube is arranged in the second shell, and an exhaust hole communicated with the hollow cavity is formed in one end, far away from the fire detecting tube, of the second shell, positioned in the hollow cavity; the second casing is internally provided with a sliding cavity which is vertical to the hollow cavity and penetrates through the hollow cavity, the valve core is arranged in the sliding cavity and is connected with one end of the push rod, the other end of the push rod is connected with the third button, the diameter of the valve core is smaller than the inner diameter of the sliding cavity, the valve core is provided with a first retaining ring and a second retaining ring at intervals, the diameter of the first retaining ring is consistent with the inner diameter of the sliding cavity, the first retaining ring is matched with the second casing in a sliding mode, and one end, away from the push rod, of the valve core is sleeved with a third spring and the third spring is connected with the first retaining ring.
Preferably, when the third spring is in a free state, the first check ring of the valve core is positioned at the position where the hollow cavity is communicated with the sliding cavity and seals the hollow cavity; and when the third spring is in a non-free state, the first check ring moves out of the hollow cavity and opens the hollow cavity.
Preferably, the push rod is provided with a third safety pin for limiting the push rod.
Compared with the prior art, the invention has the advantages that:
(1) the invention has flexible, various, safe and reliable starting modes and simple and convenient operation mode, and creatively provides the special manual starting device for the indirect fire detecting tube fire extinguishing system;
(2) the fire extinguishing system combines the daily monitoring part of the indirect fire detecting tube fire extinguishing system with the manual starting function, is convenient to use, greatly reduces the complexity of manual work, has a compact structure, is convenient to install, and saves the installation space;
(3) the fire detection tube is flexible in installation position, is simply connected with an indirect fire detection tube fire extinguishing system, and greatly improves the working efficiency.
Drawings
FIG. 1 is a schematic front view of a manual starting device for an indirect fire detecting tube fire extinguishing system according to the present invention;
FIG. 2 is a schematic diagram of a right-view structure of a manual starting device for an indirect fire detecting tube fire extinguishing system according to the present invention;
FIG. 3 is a schematic structural diagram of embodiment 1 of a manual starting device dedicated for an indirect fire detection tube fire extinguishing system according to the present invention;
FIG. 4 is a schematic structural diagram of embodiment 2 of a manual starting device dedicated for an indirect fire detection tube fire extinguishing system according to the present invention;
FIG. 5 is a schematic structural diagram of embodiment 3 of a manual starting device dedicated for an indirect fire detection tube fire extinguishing system according to the present invention;
FIG. 6 is a schematic cross-sectional view of a second housing and a connecting rod of a manual starting device for an indirect fire detecting tube fire extinguishing system according to the present invention;
description of reference numerals:
1. a first shell, 2, a manual starting part, 3, a fire detecting pipe pressure monitoring part, 4, a tee joint, 5, a fire detecting pipe, 6, a one-way valve, 7 and a wall-through joint,
8. button, 8-1-first button, 8-2-second button, 8-3-third button;
9. the safety pin comprises 9-1-a first safety pin, 9-2-a second safety pin and 9-3-a third safety pin;
10. lead sealing;
11-a bleeder;
11-1-connecting rod, 11-2-blade, 11-8-sliding rod and 11-9-gland;
11-3-pricker, 11-4-sealing film;
11-5-self-locking nut, 11-6-valve core, 11-7-exhaust hole, 11-10-push rod and 11-11-check ring;
12-spring, 12-1-first spring, 12-2-second spring, 12-3-third spring;
13-second housing, 14-joint.
Detailed Description
The following describes embodiments of the present invention with reference to examples:
it should be noted that the structures, proportions, sizes, and other elements shown in the specification are included for the purpose of understanding and reading only, and are not intended to limit the scope of the invention, which is defined by the claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 6, a manual starting device for an indirect fire detecting tube fire extinguishing system includes a first housing 1, a fire detecting tube 5 and a manual starting part 2;
one end of the fire detecting pipe 5 extends into the first shell 1; the manual actuation part 2 comprises a push button 8, a pressure relief 11 and a second housing 13, the second housing 13 being mounted on the first housing 1, the pressure relief 11 being mounted in the second housing 13 and being able to act on the fire probe 5 to relieve the pressure of the fire probe 5, the push button 8 being connected to the pressure relief 11 for pushing the pressure relief 11 to move in the second housing 13.
A manual starting part 2, a fire detecting tube pressure monitoring part 3 and a fire detecting tube 5 which are arranged on the first shell 1;
the manual starting part 2 is respectively connected with a fire detection tube pressure monitoring part 3 and a fire detection tube 5 through a tee joint 4, and the fire detection tube 5 extends to the outside of the first shell 1;
the manual starting part 2 and the fire detecting tube pressure monitoring part 3 are connected through a tee joint 4 and a fire detecting tube 5 and are fixed on the first shell 1 to form a whole; the manual starting button 8 is provided with a safety pin 9 for preventing misoperation; manual starting drive is connected through the connecting tube spare with fire extinguishing system's of exploring firetube 5 through self and is realized manual start function, when the conflagration takes place, if indirect fire exploring tube fire extinguishing system fails in time to start, site personnel can get rid of this manual starting drive's safe spacing part, through pressing, specific simple operation requirements such as pulling, quick start fire extinguishing system.
Example 1
As shown in fig. 1, 3 and 6, a manual starting device for an indirect fire detecting tube fire extinguishing system comprises a first housing 1, a fire detecting tube 5 and a manual starting part 2;
one end of the fire detecting pipe 5 extends into the first shell 1; the manual actuation part 2 comprises a push button 8, a pressure relief 11 and a second housing 13, the second housing 13 is mounted on the first housing 1, the pressure relief 11 is mounted in the second housing 13 and can act on the fire probe 5 to reduce the pressure of the fire probe 5, and the push button 8 is connected with the pressure relief 11 for pushing the pressure relief 11 to move in the second housing 13.
As shown in FIG. 3, the pressure relief piece 11 comprises a connecting rod 11-1, a sliding rod 11-8 and a gland 11-9; the second shell 13 is provided with a cylindrical stepped hole, and the fire detecting pipe 5 extends into the small-diameter hole of the cylindrical stepped hole; the sliding rod 11-8 is in sliding fit with the inner wall of the large-diameter hole of the cylindrical stepped hole, and the gland 11-9 is arranged at the outer end of the sliding rod 11-8; one end of a connecting rod 11-1 is connected with a first button 8-1, the other end of the connecting rod 11-1 sequentially penetrates through a gland 11-9 and a sliding rod 11-8 to extend into a concave part, the connecting rod 11-1 is in sliding fit with the sliding rod 11-8, a blade 11-2 is arranged at one end, located at the concave part, of the connecting rod 11-1, an accommodating cavity is formed in the sliding rod 11-8 and surrounds the connecting rod 11-1, a first spring 12-1 sleeved outside the connecting rod 11-1 is arranged in the accommodating cavity, and a limiting plate connected with the first spring 12-1 is arranged on the connecting rod 11-1.
Preferably, the safety device further comprises a first safety pin 9-1, wherein the first safety pin 9-1 is arranged on the radial direction of the connecting rod 11-1 and penetrates through the slide 11-8 rod to limit the movement of the connecting rod 11-1.
The pushing component 11 comprises a connecting rod 11-1 and a blade 11-2 fixedly connected to one end of the connecting rod, and the other end of the connecting rod 11-1 is fixedly connected with the button 8. The lower end face of the connecting rod 11-1 is provided with a groove, the blade 11-2 is connected with the connecting rod 11-1 through a blade fastening screw, and the connecting rod 11-1 and the second shell 13 are limited to ensure that the blade 11-2 cannot rotate randomly; the manual starting part 2 is fixed with the shell wall of the first shell 1 through a fastening nut, the fire detecting tube 5 passes through a hole below the first shell 1 and is tightly matched with the hole, and the fire detecting tube 5 is fixed through a wall penetrating joint 7 to ensure that the fire detecting tube 5 cannot move when being cut. When the fire extinguishing system needs to be manually started, the first safety pin 9-1 is pulled out, the manual first button 8-1 is pressed, the connecting rod 11-1 pushes the blade 11-2 to cut the fire detecting tube 5, the connecting rod 11-1 is reset under the action of the first spring 12-1, the pressure in the broken fire detecting tube 5 is reduced, and the fire extinguishing system is started.
Example 2
As shown in fig. 1 and 4, a manual starting device for an indirect fire detecting tube fire extinguishing system comprises a first housing 1, a fire detecting tube 5 and a manual starting part 2;
one end of the fire detecting pipe 5 extends into the first shell 1; the manual actuation part 2 comprises a push button 8, a pressure relief 11 and a second housing 13, the second housing 13 being mounted on the first housing 1, the pressure relief 11 being mounted in the second housing 13 and being able to act on the fire probe 5 to relieve the pressure of the fire probe 5, the push button 8 being connected to the pressure relief 11 for pushing the pressure relief 11 to move in the second housing 13.
As shown in fig. 4, the pressure relief piece 11 comprises a joint 14 and a puncture needle 11-3, the joint 14 is mounted on the first housing 1 and extends into the first housing 1, and the joint 14 is provided with a hollow cavity communicated with the fire detecting tube 5; the second shell 13 is connected with the joint 14, the second shell 13 is provided with a communicating cavity, and a sealing film 11-4 for blocking the communicating cavity from communicating with the hollow cavity is arranged in the second shell 13; one end of the puncture needle 11-3 extends into the communicating cavity and is in sliding fit with the second shell 13, the other end of the puncture needle is connected with the second button 8-2, and a section of the puncture needle 11-3, which is positioned between the second button 8-2 and the second shell 13, is externally sleeved with a second spring 12-2.
Preferably, the safety device further comprises a second safety pin 9-2, wherein the second safety pin 9-2 is arranged in the radial direction of the puncture needle 11-3 and penetrates through the second shell 13 to limit the movement of the connecting rod 11-1.
The end of the flame-detecting tube 5 is connected to the adapter 14, the adapter 14 is fixed to the wall of the housing of the first housing 1 by means of a union nut, the needle 11-3 and the adapter 14 are screwed tightly by means of a screw, and the sealing membrane 11-4 is pressed tightly. When the fire extinguishing system needs to be started manually, the second safety pin 9-2 is pulled out, the manual second button 8-2 is pressed, the sealing membrane 11-4 is punctured, the internal pressure of the fire detecting tube 5 is released, and the fire extinguishing system is started.
Example 3
As shown in fig. 1 and 5, a manual starting device for an indirect fire detecting tube fire extinguishing system comprises a first housing 1, a fire detecting tube 5 and a manual starting part 2;
one end of the fire detecting pipe 5 extends into the first shell 1; the manual actuation part 2 comprises a push button 8, a pressure relief 11 and a second housing 13, the second housing 13 being mounted on the first housing 1, the pressure relief 11 being mounted in the second housing 13 and being able to act on the fire probe 5 to relieve the pressure of the fire probe 5, the push button 8 being connected to the pressure relief 11 for pushing the pressure relief 11 to move in the second housing 13.
As shown in fig. 5, the pressure relief piece 11 includes a valve core 11-6, a self-locking nut 11-5 and a push rod 11-10, the self-locking nut 11-5 is installed on the first housing 1 and extends into the first housing 1 to be connected with the second housing 13, the self-locking nut 11-5 is sleeved on the periphery of the push rod 11-10, a hollow cavity communicated with the fire detecting tube 5 is arranged in the second housing 13, an exhaust hole 11-7 is arranged at one end of the hollow cavity far away from the fire detecting tube 5, a sliding cavity for the valve core 11-6 to move is arranged in the second housing 13 and is perpendicular to the hollow cavity, a third spring 12-3 is sleeved at one end of the valve core 11-6 and extends into the sliding cavity to be in sliding fit with the second housing 13, the other end of the valve core 11-6 is connected with the push rod 11-10, the other end of the push rod 11-10 is connected with a third button 8-, the valve core 11-6 is provided with a plurality of baffle rings 11-11 arranged at intervals, wherein the diameter of the baffle rings 11-11 is consistent with that of the sliding cavity, and the position of the baffle rings 11-11 on the valve core 11-6 relative to the hollow cavity is moved to change the pressure in the hollow cavity.
A first retaining ring and a second retaining ring are arranged on the valve core 11-6 at intervals, the diameters of the first retaining ring and the second retaining ring are consistent with the inner diameter of the sliding cavity, the first retaining ring and the second retaining ring are in sliding fit with the second shell 13, a third spring 12-3 is sleeved at one end, far away from the push rod 11-10, of the valve core 11-6, and the third spring 12-3 is connected with the first retaining ring.
Preferably, the safety device further comprises a third safety pin 9-3, wherein the third safety pin 9-3 is arranged on the radial direction of the push rod 11-10 and is positioned between the self-locking nut 11-5 and the third button 8-3 to limit the movement of the push rod 11-10.
Preferably, when the third spring 12-3 is in a free state, the first check ring of the valve core 11-6 is located at a position where the hollow cavity is communicated with the sliding cavity and seals the hollow cavity; a check ring 11-11 of the valve core 11-6 is positioned at the hollow cavity, and the longitudinal section area of the check ring 11-11 is larger than the cross section area of the hollow cavity; when the third spring 12-3 is in a non-free state, the first check ring moves out of the hollow cavity and opens the hollow cavity, and the check ring 11-11 of the valve core 11-6 moves out of the hollow cavity to release the pressure in the hollow cavity and the fire detecting tube 5.
When the fire extinguishing system needs to be started manually, the third safety pin 9-3 is pulled out, the third manual button 8-3 is pressed to compress the third spring 12-3, the valve core 11-6 is further pushed, the exhaust hole 11-7 is communicated with the hollow cavity, the internal pressure of the fire detecting tube 5 is released, and the fire extinguishing system is started.
The working principle of the invention is as follows:
as shown in FIGS. 1-6,
the container valve of the fire detecting tube fire extinguishing system is a pneumatic balance differential pressure valve, and the starting principle is as follows: when the fire detecting pipe connected with the container valve pneumatic balance sealing cavity is broken and quickly decompressed, the pneumatic state of the container valve is broken, the sealing piston in the container valve is displaced, and the container valve is opened to release the fire extinguishing agent. This manual starting part of patent can realize exploring the quick pressure release of firetube through cutting exhaust, acupuncture exhaust, discharge valve exhaust multiple mode, and then realizes indirect formula and explores firetube fire extinguishing systems's manual start function.
When a fire disaster happens, if the indirect fire detection pipe fire extinguishing system cannot be started in time, field personnel can remove the safety limiting part of the manual starting device, and the fire extinguishing system is quickly started through specific simple operation requirements such as pressing and pulling.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (8)
1. The utility model provides a dedicated manual starting drive of indirect fire tube fire extinguishing systems, its characterized in that: the fire detection device comprises a first shell, a fire detection tube and a manual starting part;
one end of the fire detecting pipe extends into the first shell; the manual starting part comprises a button, a pressure relief piece and a second shell, the second shell is installed on the first shell, the pressure relief piece is installed in the second shell and can act on the fire detecting pipe to relieve the pressure of the fire detecting pipe, and the button is connected with the pressure relief piece and used for pushing the pressure relief piece to move in the second shell.
2. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 1, wherein: the pressure relief piece comprises a connecting rod, a sliding rod and a gland; the second shell is provided with a cylindrical stepped hole, and the fire detecting pipe extends into the small-diameter hole of the cylindrical stepped hole; the sliding rod is in sliding fit with the inner wall of the large-diameter hole of the cylindrical stepped hole, and the gland is arranged at the outer end of the sliding rod; connecting rod one end is connected with first button, and the connecting rod other end passes gland, slide bar in proper order and stretches into depressed part and connecting rod and slide bar sliding fit to the connecting rod is located depressed part one end and is equipped with the blade, is equipped with in the slide bar around the chamber that holds that the connecting rod set up, holds the intracavity and is equipped with the first spring of cover at the connecting rod outside, is equipped with the limiting plate with first spring coupling on the connecting rod. .
3. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 2, wherein: the slide bar is provided with a first safety pin for limiting the connecting rod.
4. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 1, wherein: the pressure relief piece comprises a joint and a puncture needle, the joint is arranged on the first shell and extends into the first shell, and the joint is provided with a hollow cavity communicated with the fire detection tube; the second shell is connected with the joint, the second shell is provided with a communicating cavity, and a sealing film for blocking the communicating cavity from communicating with the hollow cavity is arranged in the second shell; one end of the puncture needle extends into the communicating cavity and is in sliding fit with the second shell, the other end of the puncture needle is connected with the second button, and a second spring is sleeved outside a section of the puncture needle between the second button and the second shell.
5. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 4, wherein: the pricking pin is provided with a second safety pin for limiting the pricking pin.
6. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 1, wherein: the pressure relief piece comprises a valve core, a self-locking nut and a push rod, the self-locking nut is arranged on the first shell and extends into the first shell to be connected with the second shell, the self-locking nut is sleeved on the periphery of the push rod, a hollow cavity communicated with the fire detecting tube is arranged in the second shell, and an exhaust hole communicated with the hollow cavity is formed in one end, far away from the fire detecting tube, of the second shell, of the hollow cavity; the second casing is internally provided with a sliding cavity which is vertical to the hollow cavity and penetrates through the hollow cavity, the valve core is arranged in the sliding cavity and is connected with one end of the push rod, the other end of the push rod is connected with the third button, the diameter of the valve core is smaller than the inner diameter of the sliding cavity, the valve core is provided with a first retaining ring and a second retaining ring at intervals, the diameter of the first retaining ring is consistent with the inner diameter of the sliding cavity, the first retaining ring is matched with the second casing in a sliding mode, and one end, away from the push rod, of the valve core is sleeved with a third spring and the third spring is connected with the first retaining ring.
7. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 6, wherein: when the third spring is in a free state, the first check ring part of the valve core is positioned at the position where the hollow cavity is communicated with the sliding cavity and seals the hollow cavity; and when the third spring is in a non-free state, the first check ring moves out of the hollow cavity and opens the hollow cavity.
8. The manual starting device special for the indirect fire detecting tube fire extinguishing system according to claim 7, wherein: the push rod is provided with a third safety pin for limiting the push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310358.3A CN110841233A (en) | 2019-12-18 | 2019-12-18 | Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310358.3A CN110841233A (en) | 2019-12-18 | 2019-12-18 | Dedicated manual starting drive of indirect type fire detection tube fire extinguishing systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494861A (en) * | 2020-06-09 | 2020-08-07 | 山东中道消防设备有限公司 | Mechanical automatic fire extinguishing device |
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