CN112402860A - Self-adjusting flow control valve for fire sprinkler - Google Patents

Self-adjusting flow control valve for fire sprinkler Download PDF

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Publication number
CN112402860A
CN112402860A CN202011359141.4A CN202011359141A CN112402860A CN 112402860 A CN112402860 A CN 112402860A CN 202011359141 A CN202011359141 A CN 202011359141A CN 112402860 A CN112402860 A CN 112402860A
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China
Prior art keywords
annular sleeve
adjusting
annular
flow control
plate
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CN202011359141.4A
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CN112402860B (en
Inventor
肖仲旺
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Jiangsu Jinling Zhizao Research Institute Co Ltd
Nanjing Chenguang Group Co Ltd
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Individual
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment

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  • 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 provides a self-adjusting flow control valve for fire-fighting spray, which belongs to the technical field of flow control valves and comprises a valve body and an adjusting seat, wherein a partition plate is arranged in the valve body, a driving rod is inserted in the partition plate, an annular through hole corresponding to the driving rod is formed in the partition plate, an adjusting tube seat is fixedly embedded in the annular through hole, an adjusting assembly is embedded in the adjusting tube seat in a sliding manner, a make-and-break plate corresponding to the annular through hole is arranged on one side of the partition plate, which is far away from the adjusting tube seat, a connecting air bag is arranged in the adjusting seat, and a sealing chamber and a detection reaction air bag. This self-interacting formula flow control valve that fire sprinkler used, the water yield that utilizes through detecting reaction gasbag, seal chamber, actuating lever, closing plate and adjusting part combined action, can be according to the needs automatically regulated fire sprinkler of conflagration, when effectively putting out initial stage conflagration or suppressing the conflagration degree of spreading, practiced thrift a large amount of water resources, and then improved the utilization ratio of resource.

Description

Self-adjusting flow control valve for fire sprinkler
Technical Field
The invention relates to the technical field of flow control valves, in particular to a self-adjusting flow control valve for fire-fighting spraying.
Background
The fire sprinkler is a fixed fire extinguishing device which is widely applied, when a fire disaster occurs, the sprinkler can be automatically opened, the initial fire disaster can be timely and effectively controlled and extinguished, the fire disaster spreading probability or the fire disaster severity degree is reduced, and the safety of a fire sprinkler covering place is correspondingly improved.
However, the existing fire-fighting spray is generally a spray with a fixed flow, the spray amount and the spray effect in unit time are fixed, when the fire is small, the spray amount is greater than the spray amount required by extinguishing the fire, so that the waste of water resources is caused, the range and the degree of humidity of corresponding facility articles and the like are enlarged, when the fire is large, the spray amount is less than the spray amount required by extinguishing the fire, the initial fire is difficult to extinguish, the spreading and spreading speed of the fire is relatively accelerated, and further the serious degree of the fire is intensified.
Disclosure of Invention
In order to solve the technical problems, the invention provides a self-adjusting flow control valve for fire sprinkler, which is achieved by the following specific technical means: the device comprises a valve body, an inlet, an outlet, a partition plate, a driving rod, an annular through hole, an adjusting pipe seat, an adjusting assembly, an annular sleeve I, an annular sleeve II, an annular sleeve III, a movable connecting assembly, a sliding block, a sliding groove, an adjusting through hole, a sealing plate, an on-off plate, a driving rack, a piston, an adjusting seat, a connecting air bag, a sealing chamber, a reaction air bag and a sealing strip.
The positions and the connection relations of the structures are as follows:
the left side and the right side of the valve body are respectively provided with an inlet and an outlet, a partition board is arranged between the inlet and the outlet in the valve body, a driving rod is inserted in the partition board, an annular through hole corresponding to the driving rod is formed in the partition board, an adjusting pipe seat is fixedly embedded in the annular through hole, an adjusting component is embedded in the adjusting pipe seat in a sliding manner and comprises an annular sleeve I, an annular sleeve II, an annular sleeve III and a movable connecting component, the annular sleeve I, the annular sleeve II and the annular sleeve III are respectively inserted in the corresponding adjusting pipe seat, the annular sleeve I and the annular sleeve II in a sliding manner through the movable connecting component, the axial side surfaces of the annular sleeve I, the annular sleeve II and the annular sleeve III are uniformly provided with adjusting through holes, a sealing plate is hermetically connected to the upper surface of the annular sleeve III, the driving rod is inserted in the sealing plate in a threaded manner, and a, the break-make plate thread cup joints on the actuating lever, and the actuating lever passes the valve body meshing and is connected with the drive rack, and the right-hand member fixedly connected with piston of drive rack, the outside of valve body are connected with the regulation seat, are provided with the connection gasbag in the regulation seat, connect on the gasbag respectively the intercommunication have sealed chamber and detect the reaction gasbag, piston sliding connection is in sealed chamber.
Preferably, the adjusting pipe seat corresponds to the outlet.
Preferably, the positions of the adjusting through holes on the first annular sleeve and the second annular sleeve are staggered, the positions of the adjusting through holes on the second annular sleeve and the third annular sleeve are staggered, and the adjusting range of the water flow passing through is enlarged.
Preferably, the driving rod is provided with threads at two opposite ends, which correspond to the on-off plate and the sealing plate respectively, and drive the on-off plate and the sealing plate to make synchronous relative motion or opposite motion.
Preferably, the movable connecting assembly comprises a sliding block and a sliding groove, the sliding block is fixedly connected to the outer sides of the first annular sleeve, the second annular sleeve and the third annular sleeve respectively, the sliding groove is formed in the inner side walls of the first adjusting pipe seat, the first annular sleeve and the second annular sleeve respectively, and the sliding block is inserted into the sliding groove in a sliding mode.
Preferably, the end faces of the first annular sleeve, the second annular sleeve, the third annular sleeve and the on-off plate are connected with sealing strips, so that the sealing performance during closing is improved.
The invention has the following beneficial effects:
1. the self-adjusting flow control valve for the fire sprinkler can automatically and reasonably adjust and control the flow of a water source flowing into the fire sprinkler according to the size of a fire by utilizing the combined action of the detection reaction air bag, the sealing chamber, the piston, the driving rod, the sealing plate, the on-off plate, the adjusting component and the adjusting hole, so that the water quantity sprayed by the fire sprinkler and the water quantity required by the current fire are kept at a higher degree of engagement, thereby effectively extinguishing the initial fire or inhibiting the fire spreading degree, saving a large amount of water resources, further improving the utilization rate of resources, better meeting the requirements of the current society, simultaneously keeping the degree of completeness of corresponding equipment and articles on the fire scene to the maximum degree, and reducing the property loss on the fire scene.
2. This self-interacting formula flow control valve that fire sprinkler used through adjusting part and regulation hole, can increase the control range of discharge, makes the conflagration that is applicable to different degrees that the fire sprinkler can agree with more, has further improved the utilization ratio of resource, has better application prospect.
Drawings
FIG. 1 is a schematic front view of the present invention.
FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention.
Fig. 3 is a schematic structural view of a connection relationship between the regulating assembly and the partition plate according to the present invention.
FIG. 4 is a schematic view of the connection between the detection reaction airbag and the driving shaft according to the present invention.
In the figure: 1. a valve body; 2. an inlet; 3. an outlet; 4. a partition panel; 5. a drive rod; 6. an annular through hole; 7. adjusting the pipe seat; 8. an adjustment assembly; 81. a first ring is sleeved; 82. a second annular sleeve; 83. a third annular sleeve; 84. a movable connection assembly; 841. a slider; 842. a chute; 9. adjusting the through hole; 10. a sealing plate; 11. a switch-on/off plate; 12. a drive rack; 13. a piston; 14. an adjusting seat; 15. connecting the air bag; 16. a sealed chamber; 17. detecting the reaction air bag; 18. a sealing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-4:
the self-adjusting flow control valve for the fire sprinkler comprises a valve body 1, an inlet 2, an outlet 3, a partition plate 4, a driving rod 5, an annular through hole 6, an adjusting pipe seat 7, an adjusting assembly 8, an annular sleeve I81, an annular sleeve II 82, an annular sleeve III 83, a movable connecting assembly 84, a sliding block 841, a sliding groove 842, an adjusting through hole 9, a sealing plate 10, an on-off plate 11, a driving rack 12, a piston 13, an adjusting seat 14, a connecting air bag 15, a sealing chamber 16, a reaction air bag 17 and a sealing strip 18.
The positions and the connection relations of the structures are as follows:
the left side and the right side of the valve body 1 are respectively provided with an inlet 2 and an outlet 3, a partition plate 4 is arranged between the inlet 2 and the outlet 3 in the valve body 1, a driving rod 5 is inserted in the partition plate 4, an annular through hole 6 corresponding to the driving rod 5 is arranged on the partition plate 4, an adjusting pipe seat 7 is fixedly embedded in the annular through hole 6, the adjusting pipe seat 7 corresponds to the outlet 3, an adjusting assembly 8 is embedded in the adjusting pipe seat 7 in a sliding way, the adjusting assembly 8 comprises an annular sleeve I81, an annular sleeve II 82, an annular sleeve III 83 and a movable connecting assembly 84, the annular sleeve I81, the annular sleeve II 82 and the annular sleeve III 83 are respectively inserted in the corresponding adjusting pipe seat 7, the annular sleeve I81 and the annular sleeve II 82 in a sliding way through the movable connecting assembly 84, uniform adjusting through holes 9 are arranged on the axial side surfaces of the annular sleeve I81, the annular sleeve II 82 and the annular sleeve III 83, the positions of the adjusting through holes 9 on, the positions of the adjusting through holes 9 on the second annular sleeve 82 and the third annular sleeve 83 are staggered with each other, so that the adjusting range of the passing water flow is enlarged, the sealing plate 10 is hermetically connected on the upper surface of the third annular sleeve 83, the driving rod 5 is in threaded connection with the sealing plate 10, the movable connecting assembly 84 comprises a sliding block 841 and a sliding groove 842, the sliding block 841 is fixedly connected on the outer sides of the first annular sleeve 81, the second annular sleeve 82 and the third annular sleeve 83 respectively, the sliding groove 842 is arranged on the inner side walls of the adjusting tube seat 7, the first annular sleeve 81 and the second annular sleeve 82 respectively, the sliding block 841 is in sliding connection with the sliding groove 842, the side of the partition plate 4 away from the adjusting tube seat 7 is provided with an on-off plate 11 corresponding to the annular through hole 6, the on-off plate 11 is in threaded connection with the driving rod 5, the driving rod 5 is provided with threads at two opposite ends which correspond to the on-, the driving rod 5 penetrates through the valve body 1 and is connected with a driving rack 12 in a meshed mode, a piston 13 is fixedly connected to the right end of the driving rack 12, an adjusting seat 14 is connected to the outer side of the valve body 1, a connecting air bag 15 is arranged in the adjusting seat 14, the connecting air bag 15 is respectively communicated with a sealing chamber 16 and a detection reaction air bag 17, the piston 13 is connected into the sealing chamber 16 in a sliding mode, sealing strips 18 are connected to the end faces of a first annular sleeve 81, a second annular sleeve 82, a third annular sleeve 83 and a connecting and disconnecting plate 11, and sealing performance in the closing process is improved.
The working principle is as follows: the self-adjusting flow control valve for the fire sprinkler is arranged on a water path of the fire sprinkler, an inlet 2 and an outlet 3 are respectively connected on a corresponding water flow inflow direction water pipe and a corresponding water flow outflow direction water pipe in a sealing way, when a fire disaster occurs, the temperature nearby can be increased when the fire disaster occurs by sensing the temperature of a fire scene through a detection reaction air bag 17, along with the temperature increase, the detection reaction air bag 17 and the gas in the detection reaction air bag can be correspondingly changed according to the principle of thermal expansion and cold contraction, the gas in the detection reaction air bag 17 flows into a connecting air bag 15 through a connecting pipe under the limitation of a limiting seat arranged on the outer side of the detection reaction air bag 17, so that a piston 13 in a sealing chamber 16 communicated with the connecting air bag 15 is driven to correspondingly slide, a driving rack 12 is driven to synchronously move in the sliding process of the piston 13, the driving rack 12 drives a meshed driving rod 5 to rotate, in general, according to the principle of thermal expansion and cold contraction, the degree of thermal expansion deformation of the reaction detection airbag 17 is proportional to the temperature, that is, the higher the temperature is, the larger the deformation degree is, and the temperature of the fire scene is proportional to the size of the fire, that is, the larger the fire is, the higher the temperature is, therefore, the larger the fire is, the larger the distance for driving the driving rack 12 to move is, the driving rod 5 is driven to rotate by the driving rack 12, the sealing plate 10 and the on-off plate 11 are driven to correspondingly move by the rotation of the driving rod 5, the on-off plate 11 moves away from the annular through hole 6, in an initial state, the on-off plate 11 is hermetically connected to the annular through hole 6 to form a partition to prevent the water from flowing in, meanwhile, the annular sleeve one 81, the annular sleeve two 82 and the annular sleeve three 83 are all shrunk in the adjusting pipe base 7, and a secondary water source, the annular through hole 6 is disconnected with the on-off plate 11, the water source flows into the annular through hole 6, and according to the size of the rotating distance of the driving rod 5, the size of the range of the annular sleeve I81, the annular sleeve II 82 and the annular sleeve III 83 extending out of the adjusting tube seat 7 is determined, the water source flow is controlled by the adjusting through hole 9 on the extending part in the adjusting tube seat 7 according to the size of the fire through the annular sleeve I81, the annular sleeve II 82 and the annular sleeve III 83, and further the matching degree of the fire spray sprayed water and the current fire is the highest, so that when the initial fire is effectively extinguished or the fire spreading degree is restrained, a large amount of unnecessary water resources are saved, the utilization rate of resources is improved, and the requirements of the current society are met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a self-interacting formula flow control valve that fire sprinkler used, includes valve body (1), its characterized in that: the left side and the right side of the valve body (1) are respectively provided with an inlet (2) and an outlet (3), a partition plate (4) is arranged between the inlet (2) and the outlet (3) in the valve body (1), a driving rod (5) is inserted in the partition plate (4), an annular through hole (6) corresponding to the driving rod (5) is formed in the partition plate (4), an adjusting pipe seat (7) is fixedly embedded in the annular through hole (6), an adjusting assembly (8) is embedded in the adjusting pipe seat (7) in a sliding manner, the adjusting assembly (8) comprises an annular sleeve I (81), an annular sleeve II (82), an annular sleeve III (83) and a movable connecting assembly (84), the annular sleeve I (81), the annular sleeve II (82) and the annular sleeve III (83) are respectively inserted in the corresponding adjusting pipe seat (7), the annular sleeve I (81) and the annular sleeve II (82) through the movable connecting assembly (84) in a sliding manner, a first annular sleeve (81) is sleeved on the first annular sleeve, the adjusting through holes (9) are uniformly formed in the side faces of the shaft of the second annular sleeve (82) and the third annular sleeve (83), the sealing plate (10) is connected to the upper face of the third annular sleeve (83) in a sealing mode, the driving rod (5) is inserted into the sealing plate (10) in a threaded mode, the on-off plate (11) corresponding to the annular through hole (6) is arranged on one side, away from the adjusting pipe seat (7), of the partition plate (4), the on-off plate (11) is connected onto the driving rod (5) in a threaded mode, the driving rod (5) penetrates through the valve body (1) and is connected with the driving rack (12) in a meshed mode, the piston (13) is fixedly connected to the right end of the driving rack (12), the adjusting seat (14) is connected to the outer side of the valve body (1), the connecting air bag (15) is arranged in the adjusting seat (14), the sealing chamber (16) and the.
2. A self-adjusting flow control valve for a fire sprinkler as defined in claim 1, wherein: the adjusting pipe seat (7) corresponds to the outlet (3).
3. A self-adjusting flow control valve for a fire sprinkler as defined in claim 1, wherein: the positions of the adjusting through holes (9) in the first annular sleeve (81) and the second annular sleeve (82) are staggered, and the positions of the adjusting through holes (9) in the second annular sleeve (82) and the third annular sleeve (83) are staggered.
4. A self-adjusting flow control valve for a fire sprinkler as defined in claim 1, wherein: the driving rod (5) is provided with threads at two opposite ends, and the threads correspond to the on-off plate (11) and the sealing plate (10) respectively.
5. A self-adjusting flow control valve for a fire sprinkler as defined in claim 1, wherein: the movable connecting assembly (84) comprises a sliding block (841) and a sliding groove (842), the sliding block (841) is respectively and fixedly connected to the outer side of the first annular sleeve (81), the second annular sleeve (82) and the third annular sleeve (83), the sliding groove (842) is respectively arranged on the inner side wall of the adjusting pipe seat (7), the first annular sleeve (81) and the second annular sleeve (82), and the sliding block (841) is inserted in the sliding groove (842) in a sliding manner.
6. A self-adjusting flow control valve for a fire sprinkler as defined in claim 1, wherein: and the end surfaces of the first annular sleeve (81), the second annular sleeve (82), the third annular sleeve (83) and the on-off plate (11) are all connected with sealing strips (18).
CN202011359141.4A 2020-11-27 2020-11-27 Self-adjusting flow control valve for fire sprinkler Active CN112402860B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114544085A (en) * 2022-01-20 2022-05-27 浙江兴红建设工程检测有限公司 Real-time dynamic monitoring, analyzing and evaluating system and analyzing method based on constructional engineering

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CN101279126A (en) * 2007-04-04 2008-10-08 航天科工海鹰集团有限公司 Automatic spray temperature control valve with pre-alarming device
CN202432040U (en) * 2012-01-06 2012-09-12 西安高压阀门厂集团有限公司 Telescopic pressure reducing valve
CN203743498U (en) * 2013-08-13 2014-07-30 全龙浩 Vertical fire sprinkler valve with one inlet and multiple outlets
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CN105972298A (en) * 2016-06-19 2016-09-28 詹桥生 Manual and temperature-controlling type double-control water valve
CN106439195A (en) * 2016-10-27 2017-02-22 中国航天建设集团有限公司 Improved passive automatic fire-fighting spray valve
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CN108343755A (en) * 2018-04-17 2018-07-31 诸暨市海王消防设备有限公司 A kind of piston type back seal temperature-control electric valve
CN208660202U (en) * 2018-08-09 2019-03-29 泉州市山青消防器材有限公司 A kind of multifunctional spray straight stream nozzle
CN208886001U (en) * 2018-07-27 2019-05-21 杭州泉通仪表阀门有限公司 A kind of electronic bellows self-sealing sleeve adjusting valve
CN111298348A (en) * 2020-03-28 2020-06-19 上海水沐乐歌恒温科技有限公司 Novel full-automatic fire-fighting spray fire-extinguishing device
CN111905314A (en) * 2020-08-13 2020-11-10 杭州圣枪科技有限公司 Family hidden type recyclable fire detection device
CN211951453U (en) * 2020-03-24 2020-11-17 南安市贵顺消防器材有限公司 Fire valve for quickly extinguishing fire
CN212004270U (en) * 2020-02-19 2020-11-24 福州海量管道器材有限公司 Flow-adjustable fire hydrant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588348A1 (en) * 1985-10-07 1987-04-10 Matincendie Sa Fire branch-pipe tap with adjustable flow rate and angle of spread
CN101279126A (en) * 2007-04-04 2008-10-08 航天科工海鹰集团有限公司 Automatic spray temperature control valve with pre-alarming device
CN202432040U (en) * 2012-01-06 2012-09-12 西安高压阀门厂集团有限公司 Telescopic pressure reducing valve
CN203743498U (en) * 2013-08-13 2014-07-30 全龙浩 Vertical fire sprinkler valve with one inlet and multiple outlets
WO2015194976A1 (en) * 2014-06-18 2015-12-23 ZETKAMA, Spółka, Akcyjna Balancing valve
CN105972298A (en) * 2016-06-19 2016-09-28 詹桥生 Manual and temperature-controlling type double-control water valve
CN106439195A (en) * 2016-10-27 2017-02-22 中国航天建设集团有限公司 Improved passive automatic fire-fighting spray valve
CN206275948U (en) * 2016-12-06 2017-06-27 中国航天建设集团有限公司 Real-time Communication for Power fire-distinguishing alarming system
CN207041777U (en) * 2017-05-19 2018-02-27 福建省泉州市旭高阀门科技有限公司 A kind of fire-fighting lance device of far and near distance regulation
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114544085A (en) * 2022-01-20 2022-05-27 浙江兴红建设工程检测有限公司 Real-time dynamic monitoring, analyzing and evaluating system and analyzing method based on constructional engineering
CN114544085B (en) * 2022-01-20 2024-03-12 浙江兴红建设工程检测有限公司 Real-time dynamic monitoring analysis evaluation system based on constructional engineering and analysis method thereof

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