CN204372288U - A kind of air cylinder bottle valve - Google Patents
A kind of air cylinder bottle valve Download PDFInfo
- Publication number
- CN204372288U CN204372288U CN201420808207.7U CN201420808207U CN204372288U CN 204372288 U CN204372288 U CN 204372288U CN 201420808207 U CN201420808207 U CN 201420808207U CN 204372288 U CN204372288 U CN 204372288U
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- valve
- bottle
- bottle valve
- air cylinder
- sealing
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Abstract
The utility model discloses a kind of air cylinder bottle valve, comprise the bottle valve body being connected to air cylinder bottle mouth position, described bottle valve body is provided with suction port and air outlet, the suction port of described bottle valve body is communicated with air cylinder bottleneck, the control mechanism for controlling bottle valve opening and closing is provided with in described bottle valve body, described control mechanism comprises and is arranged on valve rod in bottle valve body and hold-down mechanism, described valve rod lower end is provided with sealing valve pad, described sealing valve pad is corresponding with the sealing valve port face place in bottle valve body, described bottle valve in off position time, described hold-down mechanism pressurizes to valve rod, sealing valve pad is close on sealing valve port face in pressurized situation.The utility model has adopted the sealing of fastening-type valve pad, by hold-down mechanism, valve rod is pressurizeed, sealing valve pad is made to be close on valve body sealing surface in pressurized situation, make sealing more firm, sealing is better, air cylinder micro-ly can not be leaked in long-time, effectively improve the performance of fire fighting apparatus.
Description
Technical field
The utility model belongs to storage pressure equipment technical field, particularly a kind of bottle valve be mainly used on fire-fighting fire extinguishing air cylinder.
Background technique
What current fire-fighting gas bottle adopted is all selfsealings differential pressure valves, its principle is that depended on pressure difference opens piston, because seal ring is under long-time pressure effect and self easy aging action, long term seal effect is reduced, when long term storage pressurized gas, air cylinder is made to produce micro-leakage phenomenon, and fire-protection equipment when putting out a fire mainly by the medicament in air cylinder and gas and vapor permeation, by gas pressure medicament taken out of and carry out putting out a fire, therefore the pressure of gas in air cylinder must be made regular check on, if pressure reduces, then need timely make-up gas and extinguishing agent, because make-up gas and medicament are than effect trouble, once breaking out of fire can not supplement in time, thus the performance of fire extinguishing is made a big impact.
Model utility content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides one can make air cylinder can not micro-gas leakage body under long-term storage, thus effectively ensures the air cylinder bottle valve of fire fighting apparatus fire extinguishing performance.
The technical solution adopted in the utility model is such: a kind of air cylinder bottle valve, comprise the bottle valve body being connected to air cylinder bottle mouth position, described bottle valve body is provided with suction port and air outlet, the suction port of described bottle valve body is communicated with air cylinder bottleneck, the control mechanism for controlling bottle valve opening and closing is provided with in described bottle valve body, it is characterized in that: described control mechanism comprises and is arranged on valve rod in bottle valve body and hold-down mechanism, described valve rod lower end is provided with sealing valve pad, described sealing valve pad is corresponding with the sealing valve port face place in bottle valve body, described bottle valve in off position time, described hold-down mechanism pressurizes to valve rod, sealing valve pad is close on sealing valve port face in pressurized situation.
Air cylinder bottle valve described in the utility model, it is provided with compressing tablet in described valve rod lower end surface, and described compressing tablet to be connected with valve rod by link and sealing valve pad is pressed abd fixed on valve rod lower end.
Air cylinder bottle valve described in the utility model, it is provided with bonnet in described bottle valve body upper end, described valve rod upper end is corresponding with hold-down mechanism through bonnet, described bonnet and bottle valve body junction is provided with Sealing, on described bonnet, is provided with seal ring between valve rod and bonnet.
Air cylinder bottle valve described in the utility model, it is provided with and the air cylinder safety relief valve that is communicated with of inside and the pressure gauge for detecting air cylinder internal pressure on described bottle valve body.
Air cylinder bottle valve described in the utility model, described in it, hold-down mechanism comprises housing screw, pressure arm and lock shaft, described pressure arm is arranged on above valve rod, its one end by rotating shaft and bottle valve body side hinged, its the other end and the lock shaft corresponding matching being hinged on bottle valve body opposite side, described housing screw passes pressure arm and is threaded with it, described housing screw lower end and valve rod upper end corresponding matching, described lock shaft is provided with breach, described bottle valve in off position time, described housing screw is to valve rod effect, the sealing valve pad of valve rod lower end is made to be close on sealing valve port face, pressure arm compresses by lock shaft simultaneously, when described bottle valve needs to open, drive lock shaft to rotate by rotary drive mechanism, the gap position of lock shaft is gone to corresponding with pressure arm, described lock shaft no longer compresses one end of pressure arm, and described housing screw no longer plays pressuring action to valve rod.
Air cylinder bottle valve described in the utility model, rotary drive mechanism described in it comprises the shift fork be connected with lock shaft and the driving cylinder be arranged on bottle valve body, and the drive end of described driving cylinder is corresponding with shift fork.
Air cylinder bottle valve described in the utility model, it is provided with stop screw on described shift fork, described stop screw through shift fork and being threaded with it, described bottle valve in off position time, described stop screw end is resisted against bottle valve surface.
The utility model has adopted the sealing of fastening-type valve pad, by hold-down mechanism, valve rod is pressurizeed, sealing valve pad is made to be close on valve body sealing surface in pressurized situation, make sealing more firm, sealing is better, air cylinder micro-ly can not be leaked in long-time, effectively improve the performance of fire fighting apparatus.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is structural representation of the present utility model.
Mark in figure: 1 is bottle valve body, and 2 is suction port, and 3 is air outlet, 4 is valve rod, and 5 is sealing valve pad, and 6 is sealing valve port face, 7 is compressing tablet, and 8 is bonnet, and 9 is housing screw, 10 is pressure arm, and 11 is lock shaft, and 12 is rotating shaft, 13 is shift fork, and 14 for driving cylinder, and 15 is stop screw, 16 is safety relief valve, and 17 is pressure gauge.
Embodiment
below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, a kind of air cylinder bottle valve, comprise the bottle valve body 1 being connected to air cylinder bottle mouth position, described bottle valve body 1 is provided with and the air cylinder safety relief valve 16 that is communicated with of inside and the pressure gauge 17 for detecting air cylinder internal pressure, described bottle valve body 1 is provided with suction port 2 and air outlet 3, the suction port 2 of described bottle valve body 1 is communicated with air cylinder bottleneck, the control mechanism for controlling bottle valve opening and closing is provided with in described bottle valve body 1, described control mechanism comprises and is arranged on valve rod 4 in bottle valve body 1 and hold-down mechanism, sealing valve pad 5 is provided with in described valve rod 4 lower end, described valve rod 4 lower end surface is provided with compressing tablet 7, described compressing tablet 7 to be connected with valve rod 4 by link and sealing valve pad 5 is pressed abd fixed on valve rod 4 lower end, described sealing valve pad 5 is corresponding with sealing valve port face 6 place in bottle valve body 1, described bottle valve body 1 upper end is provided with bonnet 8, described valve rod 4 upper end is corresponding with hold-down mechanism through bonnet 8, at described bonnet 8, bottle valve body 1 junction is provided with Sealing, on described bonnet 8, seal ring is provided with between valve rod 4 and bonnet 8, described bottle valve in off position time, described hold-down mechanism pressurizes to valve rod 4, sealing valve pad 5 is close on sealing valve port face 6 in pressurized situation.
Wherein, described hold-down mechanism comprises housing screw 9, pressure arm 10 and lock shaft 11, described pressure arm 10 is arranged on above valve rod 4, its one end is hinged by rotating shaft 12 and bottle valve body 1 side, its the other end and lock shaft 11 corresponding matching being hinged on bottle valve body 1 opposite side, described housing screw 9 passes pressure arm 10 and is threaded with it, and described housing screw 9 lower end and valve rod 4 upper end corresponding matching, described lock shaft 11 is provided with breach.Described bottle valve in off position time, described housing screw 9 pairs of valve rods 4 act on, and make the sealing valve pad 5 of valve rod 4 lower end be close on sealing valve port face 6, and simultaneously pressure arm 10 compresses by lock shaft 11; When described bottle valve needs to open, drive lock shaft 11 to rotate by rotary drive mechanism, the gap position of lock shaft 11 is gone to corresponding with pressure arm 10, described lock shaft 11 no longer compresses one end of pressure arm 10, and described housing screw 9 is no longer to valve rod 4 pressuring actions; Described rotary drive mechanism comprises the shift fork 13 be connected with lock shaft 11 and the driving cylinder 14 be arranged on bottle valve body 1, the drive end of described driving cylinder 14 is corresponding with shift fork 13, described shift fork 13 is provided with stop screw 15, described stop screw 15 passes shift fork 13 and is threaded with it, described bottle valve in off position time, described stop screw 15 end be resisted against bottle valve body 1 surface.
Working principle of the present utility model is: closing process: first rotate lock shaft and pushed down by pressure arm, then screw is rotatably compressed, pressurizeed to valve rod upper end in housing screw lower end, the sealing valve pad of valve rod lower end is made to be close on valve body sealing surface in pressurized situation, there is the active force of upwards jack-up in housing screw simultaneously to pressure arm, lock shaft is firmly pressed on pressure arm and forms locking state, rotate to prevent lock shaft, shift fork is also provided with stop screw, by tightening stop screw, its end is held out against in bottle valve surface.
Opening process: first unclamp stop screw, start and drive cylinder to promote shift fork, drive lock shaft synchronous axial system, make the breach of lock shaft go to pressure arm corresponding part, make pressure arm lose lock shaft and throw off its impacting force, housing screw also disappears to the impacting force of valve rod upper end simultaneously, valve rod upward sliding under the effect of air cylinder internal air pressure, sealing valve port face in bottle valve body is opened, and described suction port is communicated with air outlet, extinguishing agent ejection in air cylinder.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. an air cylinder bottle valve, comprise the bottle valve body (1) being connected to air cylinder bottle mouth position, described bottle valve body (1) is provided with suction port (2) and air outlet (3), the suction port (2) of described bottle valve body (1) is communicated with air cylinder bottleneck, the control mechanism for controlling bottle valve opening and closing is provided with in described bottle valve body (1), it is characterized in that: described control mechanism comprises and is arranged on valve rod (4) in bottle valve body (1) and hold-down mechanism, sealing valve pad (5) is provided with in described valve rod (4) lower end, described sealing valve pad (5) is corresponding with sealing valve port face (6) place in bottle valve body (1), described bottle valve in off position time, described hold-down mechanism pressurizes to valve rod (4), sealing valve pad (5) is close on sealing valve port face (6) in pressurized situation.
2. air cylinder bottle valve according to claim 1, it is characterized in that: described valve rod (4) lower end surface is provided with compressing tablet (7), described compressing tablet (7) is connected by link with valve rod (4) and will seals valve pad (5) and is pressed abd fixed on valve rod (4) lower end.
3. air cylinder bottle valve according to claim 1, it is characterized in that: described bottle valve body (1) upper end is provided with bonnet (8), described valve rod (4) upper end is corresponding with hold-down mechanism through bonnet (8), described bonnet (8) and bottle valve body (1) junction are provided with Sealing, on described bonnet (8), between valve rod (4) and bonnet (8), are provided with seal ring.
4. air cylinder bottle valve according to claim 1, is characterized in that: be provided with on described bottle valve body (1) and the air cylinder safety relief valve (16) that is communicated with of inside and the pressure gauge (17) for detecting air cylinder internal pressure.
5. air cylinder bottle valve as claimed in any of claims 1 to 4, it is characterized in that: described hold-down mechanism comprises housing screw (9), pressure arm (10) and lock shaft (11), described pressure arm (10) is arranged on valve rod (4) top, its one end is hinged by rotating shaft (12) and bottle valve body (1) side, its the other end and lock shaft (11) corresponding matching being hinged on bottle valve body (1) opposite side, described housing screw (9) is through pressure arm (10) and be threaded with it, described housing screw (9) lower end and valve rod (4) upper end corresponding matching, described lock shaft (11) is provided with breach, described bottle valve in off position time, described housing screw (9) acts on valve rod (4), the sealing valve pad (5) of valve rod (4) lower end is made to be close on sealing valve port face (6), pressure arm (10) compresses by lock shaft (11) simultaneously, when described bottle valve needs to open, lock shaft (11) is driven to rotate by rotary drive mechanism, the gap position of lock shaft (11) is gone to corresponding with pressure arm (10), described lock shaft (11) no longer compresses one end of pressure arm (10), and described housing screw (9) no longer plays pressuring action to valve rod (4).
6. air cylinder bottle valve according to claim 5, it is characterized in that: described rotary drive mechanism comprises the shift fork (13) be connected with lock shaft (11) and the driving cylinder (14) be arranged on bottle valve body (1), the drive end of described driving cylinder (14) is corresponding with shift fork (13).
7. air cylinder bottle valve according to claim 6, it is characterized in that: on described shift fork (13), be provided with stop screw (15), described stop screw (15) is through shift fork (13) and be threaded with it, described bottle valve in off position time, described stop screw (15) end be resisted against bottle valve body (1) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808207.7U CN204372288U (en) | 2014-12-19 | 2014-12-19 | A kind of air cylinder bottle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808207.7U CN204372288U (en) | 2014-12-19 | 2014-12-19 | A kind of air cylinder bottle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372288U true CN204372288U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808207.7U Active CN204372288U (en) | 2014-12-19 | 2014-12-19 | A kind of air cylinder bottle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139983A (en) * | 2018-09-07 | 2019-01-04 | 江西荣和特种消防设备制造有限公司 | A kind of powder extinguishing system container value |
-
2014
- 2014-12-19 CN CN201420808207.7U patent/CN204372288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139983A (en) * | 2018-09-07 | 2019-01-04 | 江西荣和特种消防设备制造有限公司 | A kind of powder extinguishing system container value |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |