CN209385732U - A kind of gas extinguishing agent filling valve - Google Patents
A kind of gas extinguishing agent filling valve Download PDFInfo
- Publication number
- CN209385732U CN209385732U CN201822042366.1U CN201822042366U CN209385732U CN 209385732 U CN209385732 U CN 209385732U CN 201822042366 U CN201822042366 U CN 201822042366U CN 209385732 U CN209385732 U CN 209385732U
- Authority
- CN
- China
- Prior art keywords
- valve body
- interface
- channel
- passage
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000005429 filling process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- QRJOYPHTNNOAOJ-UHFFFAOYSA-N copper gold Chemical compound [Cu].[Au] QRJOYPHTNNOAOJ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model provides a kind of gas extinguishing agent filling valve, including valve body, and inflatable interface is arranged in described valve body one end, and the valve body other end is arranged deflation interface, the gas passage of connection is arranged on the valve body between the inflatable interface and deflation interface；Forwarding interface, the forwarding interface and gas passage are set by first passage connection, sliding is provided with unidirectional regulating valve core in the gas passage between inflatable interface and forwarding interface on the valve body between deflation interface and inflatable interface.A kind of gas extinguishing agent filling valve described in the utility model, structure is simple, extinguishing chemical fill loss it is low, high safety, manufacturing cost is low, long service life；The blank for easily filling tool currently without a kind of safe and reliable, economical and practical, operation is compensated for, current extinguishing chemical is solved and fills the high status of loss, have a good application prospect, be suitable for promoting the use of.
Description
Technical field
The utility model belongs to gas extinguishing system ancillary equipment field, fills more particularly, to a kind of gas extinguishing agent
Valve.
Background technique
Gas extinguishing system is to clean, low toxicity, the features such as electrical insulation capability is good, fire-fighting efficiency is high are widely used,
Especially in recent years, gas extinguishing system has been widely applied to the focused protection of the needs such as computer room, archives, reference room
Place.
The extinguishing chemical that gas extinguishing system manufacturing enterprise uses fills process and is not quite similar, and fills tool thousand and becomes ten thousand
Change, extinguishing chemical fills that loss is big, security reliability is lower, operation is complicated.At present there is no it is a kind of it is safe and reliable, economical and practical,
Operation easily fills tool by hand.This gas extinguishing agent filling valve solves the above problem, provides a kind of safe and reliable, warp
Practical, the convenient and fast gas extinguishing agent of operation that helps fills tool.
Summary of the invention
In view of this, the utility model is directed to a kind of gas extinguishing agent filling valve, structure is simple, and extinguishing chemical fills damage
Consume low, high safety, manufacturing cost is low, long service life；It compensates for currently without a kind of safe and reliable, economical and practical, operation
The blank for easily filling tool by hand solves current extinguishing chemical and fills the high status of loss, has a good application prospect,
Suitable for promoting the use of.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
Inflatable interface, the valve body other end is arranged in a kind of gas extinguishing agent filling valve, including valve body, described valve body one end
Deflation interface is set, the gas passage of connection is set on the valve body between the inflatable interface and deflation interface；In deflation interface
Forwarding interface is set on the valve body between inflatable interface, the forwarding interface and gas passage pass through first passage connection,
Sliding is provided with unidirectional regulating valve core in gas passage between inflatable interface and forwarding interface.
Further, the outer spiral shell connecting with valve body is arranged in the inflatable interface connection inflation core pipe, described inflation core pipe one end
Line, the inflation core pipe are nested with Aerated lock mother outside, and annular protrusion is arranged in the inflation core pipe other end, and the annular protrusion is used for
Limit connection inflation locknut；The inflation core pipe filling channel that axially setting penetrates through；It inflates to be arranged between core pipe and valve body and press
Tight gasket.
Further, the filling channel is set as conical opening close to gas passage one end.
Further, the unidirectional regulating valve core includes sealing and adjustment portion, and the sealing is set as cone, with inflation
The conical opening of interface matches sealing；It is nested with spring outside the adjustment portion, sealing is close to conical opening under the action of the spring, is formed
Sealing；O-ring seal is nested with outside the sealing.
Further, guide pad is set in the gas passage of valve body, the guide channel of setting perforation, institute in the guide pad
The end setting sliding block of adjustment portion is stated, the sliding block slides axially along guide channel.
Further, the deflation interface connects deflation core pipe, the deflation core pipe bleed passage that axially setting penetrates through, institute
State deflation core pipe to connect with valve body screw thread, seal head be set between the deflation core pipe and valve body, to block gas passage and
The connection of bleed passage；The seal head is that spherical shape is matched with the conical seal (contact) face of valve body.
Further, also set up second channel and third channel on valve body, the second channel and third channel respectively with
Gas passage connection, the second channel and third channel are connected with relief valve connection and pressure gauge connection respectively.
Further, the first passage, second channel and third channel radially extending along valve body, the first passage,
On same plane locating for second channel and third channel, and first passage, second channel and third channel are along the circumference of valve body
It is uniformly arranged.
Further, the relief valve connection connection safety valve, the safety valve include safe plug screw, in safe plug screw and peace
Safe pressure ring, blowout disk and safety disc gasket are successively sequentially compressed between full valve interface；The exhaust passage of the safe plug screw
It is set as broken line type, the processing channel mouth end setting technique being connected with exhaust passage blocks.
Further, the material of the valve body, inflation core pipe, inflation locknut, guide pad, sliding block and deflation core pipe is closed using copper
Gold.
Compared with the existing technology, a kind of gas extinguishing agent filling valve described in the utility model has the advantage that
Overall structure is simple, extinguishing chemical fill loss it is low, high safety, manufacturing cost is low, long service life；Compensate for mesh
A kind of preceding blank for easily filling tool by hand without safe and reliable, economical and practical, operation, solves current extinguishing chemical and fills
High status is lost, has a good application prospect, is suitable for promoting the use of.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of gas extinguishing agent filling valve diagrammatic cross-section described in the utility model embodiment；
Fig. 2 is C-C diagrammatic cross-section in the utility model Fig. 1；
Fig. 3 is the use state connection schematic diagram of gas extinguishing agent filling valve described in the utility model embodiment.
Description of symbols:
1- valve body；11- gas passage；12- guide pad；13- guide channel；2- inflatable interface；21- inflates core pipe；22- fills
Gas lock is female；23- annular protrusion；24- filling channel；25- compress gasket；3- deflation interface；31- deflation core pipe；32- deflates logical
Road；33- seal head；4- forwarding interface；41- first passage；51- sealing；52- adjustment portion；53- spring；54-O type sealing ring；
55- sliding block；61- second channel；The safe plug screw of 62-；The safe pressure ring of 63-；64- blowout disk；65- safety disc gasket；67- exhaust
Channel；68- processing channel mouth；69- relief valve connection；7- pressure gauge；71- third channel；72- pressure gauge connection；81- nitrogen
Bottle；82- fire-extinguishing bottle；83- extinguishing chemical storage tank；84- high-pressure hose.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For to the utility model system.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result,
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
Such as Fig. 1 and Fig. 2, inflatable interface 2 is arranged in a kind of gas extinguishing agent filling valve, including valve body 1, described 1 one end of valve body,
Deflation interface 3 is arranged in 1 other end of valve body, and connection is arranged on the valve body 1 between the inflatable interface 2 and deflation interface 3
Gas passage 11；Forwarding interface 4, the forwarding interface 4 and gas are set on the valve body 1 between deflation interface 3 and inflatable interface 2
It slides and is provided in the gas passage 11 between inflatable interface 2 and forwarding interface 4 by 41 connection of first passage in body channel 11
Unidirectional regulating valve core.
Inflatable interface 2 connects extinguishing chemical storage tank 83, and forwarding interface 4 connects fire-extinguishing bottle 82, and unidirectional regulating valve core has
Reversed sealing function, i.e. 2 one end pressure of inflatable interface is big, and under the action of high pressure, gas can be passed to from inflatable interface 2 to be turned
Send interface 4 one end, other states, unidirectional regulating valve core closes the gas circuit between inflatable interface 2 and forwarding interface 4, has anti-
To leakproofness, high safety, practical operation is high.
And using the reversed leakproofness of unidirectional regulating valve core, then inflatable interface 2 is connect with nitrogen cylinder 81, it will using nitrogen
It remains in the extinguishing chemical in gas circuit to push into completely in fire-extinguishing bottle 82, realizes that the loss of extinguishing chemical filling process is zero, reduce
Extinguishing chemical fills loss, saves production cost.
Finally the nitrogen in gas circuit is discharged deflation interface 3.
Overall structure is simple, extinguishing chemical fill loss it is low, high safety, manufacturing cost is low, long service life；Compensate for mesh
A kind of preceding blank for easily filling tool by hand without safe and reliable, economical and practical, operation, solves current extinguishing chemical and fills
High status is lost, has a good application prospect, is suitable for promoting the use of.
The material use of the valve body 1, inflation core pipe 21, inflation locknut 22, guide pad 12, sliding block 55 and deflation core pipe 31
Copper alloy.It is manufactured using Cu alloy material, Corrosion Protection is good, can adapt to work in long-term wet environment.
The outer spiral shell connecting with valve body 1 is arranged in the connection of the inflatable interface 2 inflation core pipe 21, described inflation 21 one end of core pipe
Line, the inflation core pipe 21 are nested with Aerated lock mother 22 outside, and annular protrusion 23, the annular is arranged in 21 other end of inflation core pipe
Protrusion 23 is for limiting connection inflation locknut 22；The filling channel 24 of the axial setting perforation of the inflation core pipe 21.The inflation
Compress gasket 25 is set between core pipe 21 and valve body 1.The filling channel 24 is set as conical opening close to 11 one end of gas passage.
Inflate core pipe 21 and inflation locknut 22 be socketed, annular protrusion 23 play the role of limit connection, inflation core pipe 21 with
Valve body 1 is threadedly coupled, detachably, readily replaceable components.
The unidirectional regulating valve core includes sealing 51 and adjustment portion 52, and the sealing 51 is set as cone, with inflation
The conical opening of interface 2 matches sealing；It is nested with spring 53 outside the adjustment portion 52, sealing 51 is close to cone under the action of spring 53
Shape mouth forms sealing；O-ring seal 54 is nested with outside the sealing 51.
Sealing 51 is set as cone, and sealing is matched with conical opening, and design is reasonable, conducive to the effect of matching one-way sealing.
Guide pad 12 is set in the gas passage 11 of valve body 1, the guide channel 13 of setting perforation in the guide pad 12,
Sliding block 55 is arranged in the end of the adjustment portion 52, and the sliding block 55 slides axially along guide channel 13.
Guide pad 12 and sliding block 55 cooperate, and play the role of guiding, guarantee the operation of unidirectional regulating valve core quick and precisely.
The deflation interface 3 connects deflation core pipe 31, the bleed passage 32 of the axial setting perforation of the deflation core pipe 31, institute
It states deflation core pipe 31 to be threadedly coupled with valve body 1, seal head 33 is set between the deflation core pipe 31 and valve body 1, to block gas
The connection in body channel 11 and bleed passage 32；The seal head 33 is that spherical shape is matched with the conical seal (contact) face of valve body 1.
Deflation core pipe 31 is arranged in deflation interface 3, and the bleed passage 32 of the axial setting perforation of deflation core pipe 31, realization is deflated logical
Road 32 is small, prevents spraying high-pressure gas is safe to the human body from damaging, and is closed by the seal head 33 with spherical
It is adjusted with deflation flow, plays the role of duplicate protection.
Embodiment 2
On the basis of embodiment 1, second channel 61 and third channel 71, the second channel are also set up on valve body 1
61 and third channel 71 respectively with 11 connection of gas passage, the second channel 61 and third channel 71 respectively with relief valve connection
69 are connected with pressure gauge connection 72.The first passage 41, second channel 61 and third channel 71 radially extending along valve body 1,
On same plane locating for the first passage 41, second channel 61 and third channel 71, and first passage 41,61 and of second channel
Third channel 71 is uniformly arranged along the circumference of valve body 1.
Second channel 61 is connected with relief valve connection 69,69 connection safety valve of relief valve connection, the safety valve packet
Safe plug screw 62 is included, safe pressure ring 63, blowout disk 64 are successively sequentially compressed between safe plug screw 62 and relief valve connection 69
With safety disc gasket 65.The exhaust passage 67 of the safe plug screw 62 is set as broken line type, the processing being connected with exhaust passage 67
68 end of passway is arranged technique and blocks 66, once guarantee when pressure exceeds design code, blowout disk 64 in filling process
Rupture release, the gas of release sprays to valve body 1, rather than personnel's operating surface, it is ensured that filling process is safe and reliable.
Third channel 71 is connected with pressure gauge connection 72, is connected on pressure gauge connection 72 with pressure gauge 7, convenient for observation pressure
Power.
Such as Fig. 3, methods for filling: inflation locknut 22 is connect with extinguishing chemical reservoir control valve, forwarding interface 4 is soft by high pressure
Pipe 84 is connect with the fire-extinguishing bottle control valve that fills for filling fire-extinguishing bottle 82.It opens extinguishing chemical reservoir control valve and fills and go out
Fiery agent steel bottle control valve, gas extinguishing agent enter gas passage 11, push unidirectional regulating valve core, and gas extinguishing agent is from first passage
41 outflows, are charged in fire-extinguishing bottle 82, when fire-extinguishing bottle 82, which fills, meets quality requirement, closing is gone out through high-pressure hose 84
Fiery agent reservoir control valve, unidirectional regulating valve core return to sealing station under the active force of spring 53.Gas extinguishing agent fills completion
Afterwards, further nitrogen supercharging is needed, the inflation locknut 22 that extinguishing chemical is connect with extinguishing chemical storage tank 83 is unclamped, then will inflate locknut 22
It is connected with the outlet of nitrogen cylinder 81, because there is unidirectional regulating valve core reversed leakproofness to remain in high-pressure hose 84 in operation
Extinguishing chemical will not be lost loss, open nitrogen bottle valve, the extinguishing chemical remained in high-pressure hose 84 is headed into fire extinguishing by nitrogen
In agent steel cylinder 82,7 pressure of pressure gauge is observed, after reaching boost pressure, fire-extinguishing bottle control valve is closed, closes 81 valve of nitrogen cylinder
Door.Deflation core pipe 31 is unscrewed, the nitrogen in gas circuit is discharged out of bleed passage 32, completes extinguishing chemical and fills fire-extinguishing bottle 82
Process.
The above is only the preferred embodiment of the utility model only, be not intended to limit the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the utility model encloses.
Claims (10)
1. a kind of gas extinguishing agent filling valve, it is characterised in that: including valve body (1), inflatable interface is arranged in described valve body (1) one end
(2), valve body (1) other end setting deflation interface (3), the valve body between the inflatable interface (2) and deflation interface (3)
(1) gas passage (11) of connection is set on；It is arranged on valve body (1) between deflation interface (3) and inflatable interface (2) and transfers
Interface (4), the forwarding interface (4) and gas passage (11) in inflatable interface (2) and are transferred by first passage (41) connection
Sliding is provided with unidirectional regulating valve core in gas passage (11) between interface (4).
2. a kind of gas extinguishing agent filling valve according to claim 1, it is characterised in that: inflatable interface (2) connection
It inflates core pipe (21)；The external screw thread connecting with valve body (1) is arranged in described inflation core pipe (21) one end, and the inflation core pipe (21) is outside
It is nested with inflation locknut (22), annular protrusion (23) are arranged in inflation core pipe (21) other end, and the annular protrusion (23) is used for
Limit connection inflation locknut (22)；Inflation core pipe (21) filling channel (24) that axially setting penetrates through；It inflates core pipe (21)
Compress gasket (25) are set between valve body (1).
3. a kind of gas extinguishing agent filling valve according to claim 2, it is characterised in that: the filling channel (24) is close
Gas passage (11) one end is set as conical opening.
4. a kind of gas extinguishing agent filling valve according to claim 3, it is characterised in that: the unidirectional regulating valve core includes
Sealing (51) and adjustment portion (52), the sealing (51) are set as cone, match with the conical opening of inflatable interface (2) close
Envelope；Spring (53) are nested with outside the adjustment portion (52), sealing (51) is close to conical opening under the action of spring (53), is formed close
Envelope；O-ring seal (54) are nested with outside the sealing (51).
5. a kind of gas extinguishing agent filling valve according to claim 4, it is characterised in that: the gas passage in valve body (1)
(11) guide pad (12) are set in, the guide channel (13) of setting perforation in the guide pad (12), the adjustment portion (52)
Sliding block (55) are arranged in end, and the sliding block (55) slides axially in guide channel (13).
6. a kind of gas extinguishing agent filling valve according to claim 5, it is characterised in that: deflation interface (3) connection
Deflation core pipe (31), the deflation core pipe (31) bleed passage (32) that axially setting penetrates through, the deflation core pipe (31) and valve
Body (1) is threadedly coupled, and seal head (33) is arranged between the deflation core pipe (31) and valve body (1), to block gas passage
(11) and the connection of bleed passage (32)；The seal head (33) is that spherical shape is matched with the conical seal (contact) face of valve body (1).
7. a kind of gas extinguishing agent filling valve according to claim 1, it is characterised in that: also set up on valve body (1)
Two channels (61) and third channel (71), the second channel (61) and third channel (71) join with gas passage (11) respectively
Logical, the second channel (61) and third channel (71) are connected with relief valve connection (69) and pressure gauge connection (72) respectively.
8. a kind of gas extinguishing agent filling valve according to claim 7, it is characterised in that: the first passage (41),
Two channels (61) and third channel (71) radially extending along valve body (1), the first passage (41), second channel (61) and
On same plane locating for triple channel (71), and first passage (41), second channel (61) and third channel (71) are along valve body (1)
It is uniformly arranged on circumference.
9. a kind of gas extinguishing agent filling valve according to claim 7, it is characterised in that: the relief valve connection (69) is even
Safety valve is connect, the safety valve includes safe plug screw (62), successively suitable between safe plug screw (62) and relief valve connection (69)
Sequence compresses safe pressure ring (63), blowout disk (64) and safety disc gasket (65)；The exhaust passage of the safe plug screw (62)
(67) it is set as broken line type, processing channel mouth (68) the end setting technique being connected with exhaust passage (67) blocks (66).
10. a kind of gas extinguishing agent filling valve according to claim 6, it is characterised in that: the valve body (1), inflation core
The material for managing (21), inflation locknut (22), guide pad (12), sliding block (55) and deflation core pipe (31) uses copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042366.1U CN209385732U (en) | 2018-12-06 | 2018-12-06 | A kind of gas extinguishing agent filling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042366.1U CN209385732U (en) | 2018-12-06 | 2018-12-06 | A kind of gas extinguishing agent filling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385732U true CN209385732U (en) | 2019-09-13 |
Family
ID=67870927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822042366.1U Active CN209385732U (en) | 2018-12-06 | 2018-12-06 | A kind of gas extinguishing agent filling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780813A (en) * | 2019-11-01 | 2021-05-11 | 约克广州空调冷冻设备有限公司 | Safety valve and flow guide cover |
-
2018
- 2018-12-06 CN CN201822042366.1U patent/CN209385732U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780813A (en) * | 2019-11-01 | 2021-05-11 | 约克广州空调冷冻设备有限公司 | Safety valve and flow guide cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101259098B1 (en) | Water costs set fire sprinkler frost protection device connections | |
| CN209385732U (en) | A kind of gas extinguishing agent filling valve | |
| CN201973293U (en) | Bottle head valve | |
| CN201826805U (en) | Tubing plug for oil and gas field | |
| CN204553903U (en) | A kind of compressed natural gas bottle valve for cars | |
| CN208959183U (en) | A kind of gas fire extinguisher | |
| CN209604891U (en) | SF6 equipment inflation/deflation engaging tool | |
| CN208885654U (en) | A kind of energy accumulator station | |
| CN206120993U (en) | Urgent air feed fire -fighting lance device of fire fighter | |
| CN109390503A (en) | A kind of battery liquid-filling mouth structure and battery | |
| CN101979159B (en) | Emergency energy storage device | |
| CN201799422U (en) | Emergency energy storing device | |
| CN202852285U (en) | Multifunctional quick connector | |
| CN109868865A (en) | Compensated with air device | |
| CN211175510U (en) | Check valve for gas supplementing of sulfur hexafluoride equipment | |
| CN207349506U (en) | A kind of bottle valve of automatic fire extinguisher for kitchen | |
| CN211344780U (en) | Connecting assembly | |
| CN203609779U (en) | Gas fire-extinguishing container valve | |
| CN210813321U (en) | Breathing machine mask | |
| CN210004135U (en) | Air bag body inflating device | |
| CN203525172U (en) | Pneumatic fire extinction device | |
| CN203214991U (en) | Low-leakage high-sealing valve | |
| CN215108963U (en) | Unloading valve for hydraulic support | |
| CN202590196U (en) | Starting device for chemical oxygen self-rescuer | |
| CN215537994U (en) | Guarantee nature carbon dioxide valve device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A gas fire extinguishing agent filling valve Effective date of registration: 20231218 Granted publication date: 20190913 Pledgee: Industrial Bank Co.,Ltd. Tianjin Branch Pledgor: TIANJIN SHENGDA FIRE INDUSTRIAL Corp. Registration number: Y2023120000103 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |