CN211461903U - Fire control bottle head valve - Google Patents

Fire control bottle head valve Download PDF

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Publication number
CN211461903U
CN211461903U CN201921209673.2U CN201921209673U CN211461903U CN 211461903 U CN211461903 U CN 211461903U CN 201921209673 U CN201921209673 U CN 201921209673U CN 211461903 U CN211461903 U CN 211461903U
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CN
China
Prior art keywords
valve
pressure gauge
valve body
valve core
bottle head
Prior art date
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Active
Application number
CN201921209673.2U
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Chinese (zh)
Inventor
董加强
赵永刚
朱小兵
周路
弋建州
夏剑敏
周平
纪婷婷
杨慧红
丁念红
余家杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Nanxiao Fire Technical Equipment Co ltd
Nanjing Fire Protection Technology Co ltd
Original Assignee
Nanjing Nanxiao Fire Technical Equipment Co ltd
Nanjing Fire Protection Technology Co ltd
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Publication date
Application filed by Nanjing Nanxiao Fire Technical Equipment Co ltd, Nanjing Fire Protection Technology Co ltd filed Critical Nanjing Nanxiao Fire Technical Equipment Co ltd
Priority to CN201921209673.2U priority Critical patent/CN211461903U/en
Application granted granted Critical
Publication of CN211461903U publication Critical patent/CN211461903U/en
Active legal-status Critical Current
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Abstract

The utility model discloses a fire control bottle head valve, including valve body, export stifled cap and stifled cap, export stifled cap is installed to one side screw thread of valve body, the opposite side of valve body is provided with stifled cap, the valve body includes case, safety cover and valve gap, the case sets up in the safety cover, the upper end at the safety cover is installed to the valve gap, the case includes that case plug screw and case are sealed to fill up, the sealed joint that fills up of case is between case plug screw and safety cover inner wall, lock nut is installed at the inner wall top of valve gap, lock nut bottom surface intermediate position installs the direction piston, the little spring has been cup jointed on the direction piston, the bottom of direction piston is provided with the start-up round pin, the bottom of start-up round pin is provided with the start-up bolt, start-up. The utility model discloses a set up sealed pad of case, retaining ring, mouth type circle and manometer, it is poor to have solved current technical leakproofness, problem that life is short.

Description

Fire control bottle head valve
Technical Field
The utility model relates to a fire-fighting equipment technical field specifically is a fire control bottle head valve.
Background
When the fire extinguishing agent of the gas fire-fighting product is filled in the pressure container, the bottle head valve is required to be sealed, the valve is usually required to be closed, the leakage rate is low, the opening requirement action is reliable, the filling maintenance requirement can be repeated, and the working state of leaving a factory can be restored.
However, the existing fire-fighting bottle head valve has the following disadvantages:
1. the existing fire-fighting bottle head valve is mechanically compressed and sealed, and the compression force is fixed; when the environmental temperature changes, the sealing force is adapted by the elasticity of the sealing element, and the sealing effect is not ideal; the service life is influenced by repeated opening of the valve and mechanical impact, and the requirement of more than 500 actions of the international standard cannot be met; resetting requires readjusting the sealing force.
2. The balance hole of the existing fire-fighting bottle head valve is easy to block, the opening of the top starting hole is normally opened, impurities are easy to enter, the influence is sealed, the rectangular mounting surface is easy to generate stress concentration, the mounting surface is close to the top, mounting torque can cause the internal micro deformation of the valve, the influence is sealed, the sealing ring is easy to deform and destroy in high-pressure sealing, the wall thickness of the high-pressure valve body is too large, the cost is high, the stress concentration is easy, the valve seat structure design is simple, the long-term sealing and repeated sealing reset effects are poor, the valve seat sealing gasket is simple in.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a fire control bottle head valve, it is poor to have solved current technical leakproofness, short problem of life.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a fire-fighting bottle valve comprises a valve body, an outlet blocking cap and a blocking cap, wherein the outlet blocking cap is installed on one side of the valve body through threads, the blocking cap is arranged on the other side of the valve body, the valve body comprises a valve core, a protective cover and a valve cover, the valve core is arranged in the protective cover, the valve cover is installed at the upper end of the protective cover, the valve core comprises a valve core plug and a valve core sealing gasket, the valve core sealing gasket is clamped between the valve core plug and the inner wall of the protective cover, a locking nut is installed at the top of the inner wall of the valve cover, a guide piston is installed at the middle position of the bottom surface of the locking nut, a small spring is sleeved on the guide piston, a starting pin is arranged at the bottom of the guide piston, a starting bolt is arranged at the bottom of the starting pin, a gasket is arranged at the bottom of the starting bolt, be provided with the rupture disk between manometer and the valve body inner wall, the inner of manometer sets up the manometer stopple, be provided with the manometer check valve body in the manometer stopple, the centre of manometer check valve body is provided with the manometer check valve pin, the inboard of manometer check valve pin is provided with the manometer check valve case, manometer check valve pin and manometer check valve case joint.
Preferably, the valve core is provided with mouth-shaped rings at the joints of the upper end and the lower end of the inner wall of the protective cover, and the upper ends of the mouth-shaped rings are bonded with check rings.
Preferably, a retainer ring is arranged between the plugging cap and the valve body.
Preferably, the valve body is a high-strength corrosion-resistant brass valve.
Preferably, screws are arranged at the inner end of the one-way valve body of the pressure gauge on two sides of the one-way valve pin of the pressure gauge, and the screws are fixedly connected with a diaphragm plug screw arranged on the outer side of the one-way valve core of the pressure gauge.
Preferably, the front end and the rear end of the pressure gauge hole plug are provided with check rings.
(III) advantageous effects
The utility model provides a fire control bottle head valve possesses following beneficial effect:
(1) the utility model provides a pressure gauge check valve and a plug by the special model selection material design of the valve; may accommodate clean and inert fire extinguishing media including, but not limited to, carbon dioxide and nitrogen, argon and related combinations thereof, heptafluoropropane, FK5112, and the like; the pressure gauge is positively provided with a check valve, the pressure gauge and the screw plug are provided with sealing strips, and the pointer position direction is adjustable, so that long-term pressure resistance can be realized.
(2) The valve body material of the utility model adopts high-strength corrosion-resistant brass, and microelements such as nickel, aluminum, manganese and the like are added in particular, so that the corrosion resistance and the strength, rigidity and toughness of the valve are improved; the outside of the valve body is radially and axially reinforced, so that the strength, rigidity and toughness of the valve are improved, the weight is reduced, and the flowability of a forging material is improved.
(4) The diaphragm of the utility model is installed obliquely, and the radial size of the valve is reduced; the outer zone protects the annular and encloses the fender, and the porous emission of blasting, the oblique angle is released, and is safe and the noise is little.
(5) The valve cover of the utility model adopts radial/axial double sealing to reduce leakage.
(6) The valve core piston of the utility model is provided with the sealing strip retaining ring, thereby preventing dust and extrusion, improving the sealing effect, and ensuring long-term pressure resistance and multiple actions; a sealing ring is added between the valve core and the valve seat sealing gasket, so that the low-pressure and high-pressure sealing effect is ensured, and the temperature adaptation range is large; the double-arc design of the main sealing surface of the valve body ensures stable sealing and reliable resetting after repeated actions.
Drawings
FIG. 1 is an overall view of the present invention;
fig. 2 is a first cross-sectional view of the present invention;
fig. 3 is a second cross-sectional view of the present invention;
fig. 4 is a second cross-sectional view of the present invention.
The reference numbers in the figures are:
1. a valve body; 2. an outlet plugging cap; 3. a plugging cap; 4. a valve core; 5. a valve core plug screw; 6. a spool seal; 7. a retainer ring; 8. a mouth-shaped ring; 9. a screw; 10. a protective cover; 11. a valve cover; 12. a pilot piston; 13. an activation pin; 14. starting the bolt; 15. locking the nut; 16. a gasket; 17. a large spring; 18. A pressure gauge one-way valve body; 19. a one-way valve core of the pressure gauge; 20. a one-way valve pin of the pressure gauge; 21. a pressure gauge hole plug; 22. a small spring; 23. a rupture disk; 24. a pressure gauge; 25. a diaphragm plug screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a fire-fighting bottle valve comprises a valve body 1, an outlet plugging cap 2 and a plugging cap 3, wherein the outlet plugging cap 2 is installed on one side of the valve body 1 through threads, the plugging cap 3 is arranged on the other side of the valve body 1, the valve body 1 comprises a valve core 4, a protective cover 10 and a valve cover 11, the valve core 4 is arranged in the protective cover 10, the valve cover 11 is installed at the upper end of the protective cover 10, the valve core 4 comprises a valve core plug screw 5 and a valve core sealing gasket 6, the valve core sealing gasket 6 is clamped between the valve core plug screw 5 and the inner wall of the protective cover 10, a locking nut 15 is installed at the top of the inner wall of the valve cover 11, a guide piston 12 is installed at the middle position of the bottom surface of the locking nut 15, a small spring 17 is sleeved on the guide piston 12, a starting pin 13 is arranged at the bottom of the guide piston 12, a starting bolt, a pressure gauge 24 is arranged on one side of the valve body 1 opposite to the outlet plugging cap 2, a rupture disc 23 is arranged between the pressure gauge 24 and the inner wall of the valve body 1, a pressure gauge hole plug 21 is arranged at the inner end of the pressure gauge 24, a pressure gauge one-way valve body 18 is arranged in the pressure gauge hole plug 21, a pressure gauge one-way valve pin 20 is arranged in the middle of the pressure gauge one-way valve body 18, a pressure gauge one-way valve core 19 is arranged at the inner side of the pressure gauge one-way valve pin 20, the pressure gauge one-way valve pin 20 is clamped with the pressure gauge one-way valve core 19, the valve core 4 is provided with a mouth-shaped ring 8 at the joint of the upper end and the lower end of the inner wall of the protective cover 10, a retainer ring 7 is bonded at the upper end of the mouth-shaped ring 8, a retainer ring 7 is arranged between the plugging cap 3, the front end and the rear end of the pressure gauge hole plug 21 are provided with check rings 7.
Working principle; this valve body 1 adopts differential pressure seal structure, and be provided with manometer check valve body 18 and stifled cap 3, can install on clean and inert fire extinguishing medium's fire extinguishing equipment, valve body 1's material adopts the corrosion-resistant brass of high strength, add microelements such as nickel aluminium manganese very much, can make valve body 1 have stronger anticorrosive effect, improve valve body 1 intensity rigidity toughness, case 4, all adopt case sealed pad 6 in valve gap 11 and the manometer 24, retaining ring 7 or mouth type circle 8 realize sealed, make valve body 1 can prevent dust and prevent the extrusion when using, promote sealed effect, guarantee long-term withstand voltage and many times action.
To sum up can, the utility model discloses a set up the sealed 6 of filling up of case, retaining ring 7, mouth type circle 8 and manometer 24, it is poor to have solved current technical leakproofness, problem that life is short.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 fire control bottle head valve, includes valve body (1), export stifled cap (2) and stifled cap (3), its characterized in that: the outlet plugging cap (2) is installed on one side of the valve body (1) through threads, the plugging cap (3) is arranged on the other side of the valve body (1), the valve body (1) comprises a valve core (4), a protective cover (10) and a valve cover (11), the valve core (4) is arranged in the protective cover (10), the valve cover (11) is installed at the upper end of the protective cover (10), the valve core (4) comprises a valve core plug screw (5) and a valve core sealing gasket (6), the valve core sealing gasket (6) is connected between the inner walls of the valve core plug screw (5) and the protective cover (10), a locking nut (15) is installed at the top of the inner wall of the valve cover (11), a guide piston (12) is installed at the middle position of the bottom surface of the locking nut (15), a small spring (17) is sleeved on the guide piston (12), a starting pin (13) is, a starting bolt (14) is arranged at the bottom of the starting pin (13), a gasket (16) is arranged at the bottom of the starting bolt (14), a large spring (22) is arranged between the gasket (16) and the valve core sealing gasket (6), a pressure gauge (24) is arranged on one side of the valve body (1) opposite to the outlet plugging cap (2), a rupture disk (23) is arranged between the pressure gauge (24) and the inner wall of the valve body (1), a pressure gauge hole plug (21) is arranged at the inner end of the pressure gauge (24), a pressure gauge one-way valve body (18) is arranged in the pressure gauge hole plug (21), a pressure gauge one-way valve pin (20) is arranged in the middle of the pressure gauge one-way valve body (18), a pressure gauge one-way valve core (19) is arranged on the inner side of the pressure gauge one-way valve pin (20), the pressure gauge one-way valve pin (20) is clamped with the pressure gauge one-way valve core (19).
2. A fire fighting bottle head valve as defined in claim 1, wherein: the valve core (4) is provided with mouth-shaped rings (8) at the joints of the upper end and the lower end of the inner wall of the protective cover (10), and the upper ends of the mouth-shaped rings (8) are bonded with check rings (7).
3. A fire fighting bottle head valve as defined in claim 1, wherein: a check ring (7) is arranged between the plugging cap (3) and the valve body (1).
4. A fire fighting bottle head valve as defined in claim 1, wherein: the valve body (1) is a high-strength corrosion-resistant brass valve.
5. A fire fighting bottle head valve as defined in claim 1, wherein: the inner end of the pressure gauge one-way valve body (18) is provided with screws (9) on two sides of the pressure gauge one-way valve pin (20), and the screws (9) are fixedly connected with a diaphragm plug screw (25) arranged on the outer side of the pressure gauge one-way valve core (19).
6. A fire fighting bottle head valve as defined in claim 1, wherein: the front end and the rear end of the pressure gauge hole plug (21) are provided with check rings (7).
CN201921209673.2U 2019-07-29 2019-07-29 Fire control bottle head valve Active CN211461903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921209673.2U CN211461903U (en) 2019-07-29 2019-07-29 Fire control bottle head valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921209673.2U CN211461903U (en) 2019-07-29 2019-07-29 Fire control bottle head valve

Publications (1)

Publication Number Publication Date
CN211461903U true CN211461903U (en) 2020-09-11

Family

ID=72366592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921209673.2U Active CN211461903U (en) 2019-07-29 2019-07-29 Fire control bottle head valve

Country Status (1)

Country Link
CN (1) CN211461903U (en)

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