CN103836244A - Mechanical delayer adopting external gas control - Google Patents
Mechanical delayer adopting external gas control Download PDFInfo
- Publication number
- CN103836244A CN103836244A CN201410078292.0A CN201410078292A CN103836244A CN 103836244 A CN103836244 A CN 103836244A CN 201410078292 A CN201410078292 A CN 201410078292A CN 103836244 A CN103836244 A CN 103836244A
- Authority
- CN
- China
- Prior art keywords
- gas
- driven plunger
- valve body
- valve
- delayer
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a mechanical delayer adopting external gas control. The mechanical delayer comprises a valve and a gas storage cylinder. A gas inlet and a gas outlet are formed in the valve body, an actuating piston body is mounted in the valve body, and a return spring sleeves the actuating piston body. A valve clack controlling a communication passage of the gas inlet and the gas outlet to be opened and closed is arranged at the upper end of the actuating piston body, a vertically-through gas passage and a gas hole communicated with the gas storage cylinder are formed in the actuating piston body, and a ventilation hole communicated with the gas hole is formed in the gas passage. An upper opening of the gas passage is communicated with the gas inlet while a lower opening of the same is connected with a gas charging valve unit arranged outside the valve body in an enclosed manner. An adjusting piston, which can shift axially along the gas passage so as to control the ventilation hole and the gas hole to be communicated or disconnected, is arranged in the gas passage. External gas is utilized to directly control delay time, delay control is accurate, stable and reliable, quick gas release effect is realized on the premise that reusability and operability of the delayer are guaranteed, and the overall system is ensured to run safely and reliably.
Description
Technical field
The present invention relates to mechanical delay device field, specifically refer to a kind of mechanical delay device that adopts gas external control.
Background technique
Delayer is a kind of to the control gear being operated for time delay certain hour interval by operand people, and its application is very extensive.Along with science and technology is constantly brought forth new ideas, it is example that act delayer is applied in fire fighting gas suppression system, in order not to be subject to the fault effects such as power supply or outfiring alarm controller, automatical control system of suppression system, substantially abandon at present the traditional electrical minor time relay, and adopted pneumatic type mechanical delay device.The structure of pneumatic machinery delayer is similar at present, and working principle is to make gas in pressurized chamber, put aside and produce pressure via throttle valve, in the time that the pressure of pressurized chamber reaches setting pressure, promotes flap and opens passage, finally realizes the time delay effect of giving vent to anger.
Described existing pneumatic machinery delayer all adopts inner throttle-valve structure to realize delay working, delay time length depends primarily on the throttle orifice size of throttle valve, higher to the required precision of throttle orifice thus, in practice, be conventionally difficult to accomplish highi degree of accuracy time delay control action; And at present the length of delayer delay time is normally fixed nonadjustablely, need to adjust time, delayer can only be taken apart manually and is debugged, not only complex operation, and adjust precision and be also difficult to ensure.In addition, delayer time delay needs pressurization indoor gas to discharge after using, and current a kind of mode is can do quick release by opening time-delaying device bonnet, and the polyphony examination trouble but its existence dismounting is laid equal stress on, also can bring potential safety hazard to whole system operation; Another kind of mode is to adopt throttle orifice to discharge, but its release rate is extremely slow, extremely impracticable, so existing delayer exists the not good problem of operability, reusability in air release operation.Have, at present its inner each parts of Pneumatic time-delay device, particularly coordinate inadequate compact and reasonable between slide member again, can be with and serve uncontrollable disturbing factor thus, thereby affect stability and the reliability of delayer time delay.
Summary of the invention
The object of the present invention is to provide a kind of mechanical delay device that adopts gas external control, utilize extraneous gas directly to control delay time, time delay control and time delay regulation and control are accurate, stable and reliable, and guaranteeing under delayer reusability and operability prerequisite, can realize the quick release action of gas, guarantee whole system safe and reliable operation.
In order to reach above-mentioned purpose, solution of the present invention is:
Adopt a mechanical delay device for gas external control, comprise valve body and be arranged on the air reservoir in this valve body lower end portion; Described valve body is provided with suction port and air outlet, and driven plunger body is installed in this valve body, is arranged with two ends and supports respectively the Returnning spring on this driven plunger body and described valve body on this driven plunger body; Described driven plunger body is provided with the flap of the communication channel keying of controlling between described suction port and air outlet, the pore that offers the air flue of up/down perforation in this driven plunger body and be connected with described air reservoir, described air flue is provided with the breeder tube being connected with described pore; The upper shed of described air flue is communicated with described suction port, and under shed is by a pipeline and mutually airtight connection of gas charging valve unit being located at outside described valve body; In described air flue, being provided with can be along the axially displaced regulating piston that is connected or ends with pore to control described breeder tube of this air flue.
Described gas charging valve is also provided with pressure stopwatch on unit.
In described air flue, the top position of corresponding described breeder tube is provided with filtering mechanism.
Described driven plunger body comprises body under driven plunger upper body and driven plunger, and this driven plunger upper body is by body under driven plunger described in scyewed joint, and described flap is by driven plunger upper body described in scyewed joint.
Described regulating piston has the taper piston head that can stretch into and seal described breeder tube.
Described regulating piston comprises the taper piston head, intermediate portion and the afterbody that are connected with successively from top to bottom, and the face area of described afterbody is greater than the cross-section area of described intermediate portion.
Adopt after such scheme, the present invention is with respect to the beneficial effect of prior art: before system is started working, first by gas charging valve unit, this inflation valve body end is filled to default pressed gas, this pressed gas directly acts on the lower end surface of regulating piston, regulating piston moves up, and breeder tube is carried out to mechanical seal.When system is started working, propellant enters communication channel and flap is exerted pressure from the suction port of valve body, flap is realized sealing to communication channel, gas cannot be discharged by air outlet, but directly enter in air flue from the upper shed of air flue, propellant can act on regulating piston by certain pressure while arriving breeder tube, the regulating piston mobile rear maintenance of trace is downwards stable, between regulating piston and breeder tube, form certain gap, now propellant can pass through gap, enters (time delay starts) in air reservoir via pore.Through certain hour, propellant is constantly toward air reservoir inflating pressure, generation certain pressure acts on the underpart of driven plunger body, thereby produce certain making every effort to overcome and take the frictional force of parts and the pretightening force of Returnning spring, and then drive driven plunger body and flap to form a slide member to move up; Now flap is opened communication channel, and propellant can carry over communication channel smoothly, discharges from air outlet, reaches delay effect with this.
This case mechanical delay device utilizes extraneous gas, press extent by gas regulating and controlling piston two ends, control and breeder tube between the size in the gap that forms, realize number of seconds control delay time effect, compare existing throttle valve control mode, this case time delay control has high accurancy and precision, high stability and reliability advantage.Mechanical delayer is invented in this case only need control the tolerance that fills default pressed gas, number of seconds regulation and control that can simple realization time delay length, regulation and control precisely, convenient simply again.Have again, while discharging gas after system delay, can directly utilize regulating piston that the gas in air reservoir is done to simple and easy quick must release again, guaranteed delayer reusability and operability, thereby guaranteed whole system safe and reliable operation.
Accompanying drawing explanation
The schematic cross-section of Fig. 1 mechanical delay of the present invention device;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Label declaration
Valve body 1 suction port 11
Driven plunger body 3 air flues 31
Breeder tube 313 pores 32
Regulating piston 33 taper piston heads 331
Intermediate portion 332 afterbodys 333
Returnning spring 4 flaps 5
Inflation valve body 61 pipelines 62
One-way valve 63 check valve springs 64
Inflation spool 65 is inflated valve gap 66
Inflation threeway 7 pressure stopwatches 8
GAUGE CONNECTOR 81 filtering mechanisms 9
Gland nut 91
Embodiment
Below in conjunction with the drawings and specific embodiments, this case is described in further detail.
This case relates to a kind of mechanical delay device that adopts gas external control, as shown in Figure 1-2, mainly comprises valve body 1, air reservoir 2, driven plunger body 3 and gas charging valve unit 6.Air reservoir 2 is connected with on the underpart of valve body 1, offers respectively suction port 11 and air outlet 12 on the upper end portion of valve body 1 and sidewall.Driven plunger body 3 is arranged in valve body 1, and can be along the axially displacement back and forth of valve body 1.On driven plunger body 3, be arranged with a Returnning spring 4, the two ends up and down of this Returnning spring 4 support respectively on driven plunger body 3 and valve body 1.Between valve body 1 and driven plunger body 3, be formed with the communication channel 13 that is communicated with suction port 11 and air outlet 12.On driven plunger body 3, (preferably in upper end portion) is provided with flap 5, by the adjustable mating reaction between this flap 5 and valve body 1, realizes and controls the unlatching of communication channel 13 or the object of closing.
In driven plunger body 3, offer air flue 31 and pore 32.Air flue 31 is axially up/down perforation along driven plunger body 3, and correspondence has upper shed 311 and under shed 312.The suction port 11 of valve body 1 is with the upper shed 311 of air flue 31 up and down just to being communicated with, and the under shed 312 of valve body 1 is by a pipeline and mutually airtight connection of gas charging valve unit 6 being located at outside valve body 1.The two ends of pore 32 are communicated with air flue 31 and air reservoir 2, and corresponding air flue 31 is provided with the breeder tube 313 being connected with pore 32.In air flue 31, be provided with and can, along the axially displaced regulating piston 33 of air flue 31, be connected or end with pore 32 to control breeder tube 313.
Before system is started working, first by gas charging valve unit 6, inflation valve body end is filled to default pressed gas, this pressed gas directly acts on the lower end surface of regulating piston 33, and regulating piston 33 is corresponding to move up, thereby realize, breeder tube 313 is carried out to milli machine sealing.Delayer internal drive piston only 3, acts on by Returnning spring 4, realizes flap 5 communication channel 13 is closed to sealing, and the passage between suction port 11 and air outlet 12 cuts off.When system is started working, propellant 3 enters communication channel 13 and flap 5 is exerted pressure from the suction port 11 of valve body 1, flap 5 is realized sealing to communication channel 13, propellant cannot be discharged by air outlet 12 thus, but directly enter in air flue 31 from the upper shed 311 of air flue 31, propellant can act on regulating piston 33 by certain pressure while arriving breeder tube 313, the regulating piston 33 mobile rear maintenance of trace is downwards stable, between regulating piston 33 and breeder tube 313, form certain gap, now propellant can pass through this gap, enter in air reservoir 2 (now time delay starts) via pore 32.Along with propellant is constantly toward air reservoir 2 inflating pressures, after certain hour, the interior γ-ray emission certain pressure of air reservoir 2 P3 acts on the underpart of driven plunger body 3, thereby produce frictional force that certain making every effort to overcome take parts and the pretightening force of Returnning spring 4, and then drive driven plunger body 3 and flap 5 to form a slide member to move up.Now flap 5 is opened communication channel 13, and propellant can carry over communication channel 13 smoothly, discharges from air outlet 12, reaches the time delay effect of giving vent to anger with this.
This case mechanical delay device utilizes extraneous gas originally, press extent by gas regulating and controlling piston 33 two ends, thereby control and breeder tube 313 between the size in gap of formation, realize and control delay effect, number of seconds is precisely arrived in time delay control, compare existing throttle valve control mode, this case time delay control has high accurancy and precision, high stability and reliability advantage.And, mechanical delay of the present invention device only need the simple tolerance that fills default pressed gas of controlling, number of seconds regulation and control that can simple realization time delay length, regulation and control precisely, convenient simply again.Have again, while needing to discharge gas after system delay, can directly utilize regulating piston 33(specifically to discharge charge air conditioning by gas charging valve unit 6, regulating piston 33 is moved down, thereby and between breeder tube 313, be formed with large gap), gas in air reservoir 2 is discharged fast, guaranteed delayer reusability and operability, guarantee whole system safe and reliable operation.
Described gas charging valve unit 6 can be existing known gas charging valve mechanism, and as this case provides a preferred embodiment, gas charging valve unit 6 mainly comprises inflation valve body 61, pipeline 62 and one-way valve 63.Pipeline 62 preferably adopts flexible pipe, it is sealedly connected between the under shed 312 of inflation valve body 61 and driven plunger body 3, one-way valve 63 is arranged in inflation valve body 61 by check valve spring 64, inflation spool 65 is arranged on by the outside of the interior corresponding one-way valve 63 of inflation valve body 61, and preferably also on inflation valve body 61, spiral shell is provided with an inflation valve gap 66.When inflation, first inflation valve gap 66 is taken off, utilize the outside thread sealed attachment of internal thread with the inflation valve body 61 of inflator, again inflation spool 65 is turned down and makes unseal, pressed gas is successively via one-way valve 63, inflation valve body 61 inner chambers, pipeline 62, until in the cavity of corresponding regulating piston 33 underparts in driven plunger body 3.
Preferably, pressure stopwatch 8 is installed on gas charging valve unit 6, a concrete mode of execution, on gas charging valve unit 6, be also provided with inflation threeway 7, the first logical inflation valve body 61 that is tightly connected of inflation threeway 7, second crosses pipe box 67, pipe joint nut 68 is all tightly connected in pipeline 62, the threeways pressure stopwatch 8 is installed, and this pressure stopwatch 8 is arranged in inflation threeway 7 by GAUGE CONNECTOR 81 sealings particularly.Mechanical delay of the present invention, device was by reaching the object of controlling delay time to the control of gas pressure, the size of inflation pressure converts time number of seconds to by pressure stopwatch 8 and demonstrates, and system needs the number of seconds that the time of time delay shows by pressure stopwatch 8 to show out intuitively thus.In gas replenishment process, when pressure stopwatch 8 demonstrates the required time of system when number of seconds, can stop inflation, screw out inflator, screwing-charging valve gap 66, simple and easyly completes filling of outside gas charging valve place's pressure.
Preferably, driven plunger body 3 comprises body 35 under driven plunger upper body 34 and driven plunger, and this driven plunger upper body 34 is by body 35 under scyewed joint driven plunger, and flap 5 is by scyewed joint driven plunger upper body 34.Driven plunger body 3 is divided into upper and lower two-part and is convenient to structure assembled formation, under driven plunger upper body 34, driven plunger, body 35 and flap 5 adopt scyewed joint to form holistic slide member, this structural design has been got rid of some uncontrollable unfavorable disturbing factors on the inner slider structure of delayer, can make in delayer control more precisely reliable.
Preferably, regulating piston 33 for and breeder tube 313 between form milli machine sealing, provide a preferred embodiment, the sealing position of regulating piston 33 has can stretch into the also taper piston head 331 of sealing ventilation aperture 313, and pore 32 correspondences preferably adopt the inclined hole structure being obliquely installed.
As shown in Figure 2, when regulating piston 33 is with breeder tube 313 during in mechanical seal threshold state, regulating piston 33 is subject to the F that makes a concerted effort upwards
close=(π/4) * D
2 2* P
2, in the time that delayer is started working, from the propellant pressure P of suction port 11 air inlets
1constant, regulating piston 33 is subject to the downward F that makes a concerted effort
close under=(π/4) * D
1 2* P
1.As shown in Figure 2, now regulating piston will move down, and make the gas compression in pipeline 62, pressure P
2increase, make the stressed balance that reaches of regulating piston 33, regulating piston 33 is stablized motionless.Now, regulating piston 33 has moved down certain distance, make the upper conical surface of regulating piston form certain gap (number of seconds of the size in this gap and pressure stopwatch 8 is corresponding) with breeder tube 313, propellant enters in air reservoir 1 by this gap, and time delay starts.Regulating piston 33 is stressed while reaching balance, F
close=F
close down, obtain (π/4) * D
2 2* P
2=(π/4) * D
1 2* P
1, wherein P1 is a constant value, just can realize the control to gap size by the value that changes pre-inflatable body P2, realizes the outside directly number of seconds control delay time of delayer.
Further as shown in Figure 2, regulating piston 33 comprises the taper piston head 331, intermediate portion 332 and the afterbody 333 that are connected with successively from top to bottom, and the face area of afterbody 333 is greater than the cross-section area of intermediate portion 332.D1<D2 when stress balance thus, be P1>P2, can realize and utilize low-pressure gas to realize the control to delayer internal high pressure gas in outside, the new ideas of gas low voltage control high pressure are transformed in the control of delayer time delay number of seconds dexterously.Certainly regulating piston 33 is not necessarily above-mentioned three part-structures that are connected with successively, as long as the size (being D1, D2) of the two end part compression face of design regulating piston 33 is as above-mentioned magnitude relationship.
Between the upper conical surface of above-mentioned regulating piston 3 and breeder tube 313, the cutoff hole area in the gap of formation must be much smaller than the diameter of propellant in air flue, and guarantee is when protective area breaking out of fire thus, and when system starts, delayer reaches certain time-lag action.In order to prevent that described gap is by foreign matters from being blocked, preferably, the position that the interior correspondence of air flue 3 is positioned at breeder tube 313 tops is provided with filtering mechanism 9, and this filtering mechanism 9 is specifically as follows filter screen, it is arranged on the tip position of driven plunger upper body 34, and fixing by gland nut 91.Filtration well, much smaller than above-mentioned gap, is played thus in the aperture of filter screen mesh, prevents that gap is by foreign matters from being blocked, guarantees that product is perfectly safe reliably.
Preferably, in design, on the suction port 11 of valve body 1 and air outlet 12, can be respectively equipped with air input joint 14 and air outlet adapter 15, so that be connected with external agency.
Preferably, in order to ensure sealing structure, the plurality of positions of this case mechanical delay device is equipped with ring structure, such as between valve body 1 and air reservoir 2, between valve body 1 and driven plunger body 3, between driven plunger body 3 and flap 5, between inflation valve body 61 and inflation valve gap 66, inflation valve body 61 with inflate between threeway 7, inflate between threeway 7 and pipeline 62, between regulating piston 33 and air flue 31, etc.Here need to stress, the interior corresponding communication channel of valve body 1 13 positions are provided with the flanged structure for sealing mutually with flap 5, and the relevant position of flap 5 is provided with flap sealing gasket 51, plays excellent seal action.Inflation valve body 61 is provided with and the seal ring of inflating valve gap 66 and seal mutually, in the time inflating, also plays with inflator and seals mutually effect.
The foregoing is only the preferred embodiments of the present invention, all equalizations of doing with the claims in the present invention scope change and modify, and all should belong to the scope of the claims in the present invention.
Claims (6)
1. adopt a mechanical delay device for gas external control, comprise valve body and be arranged on the air reservoir in this valve body lower end portion; Described valve body is provided with suction port and air outlet, it is characterized in that: driven plunger body is installed in this valve body, is arranged with two ends and supports respectively the Returnning spring on this driven plunger body and described valve body on this driven plunger body; Described driven plunger body is provided with the flap of the communication channel keying of controlling between described suction port and air outlet, the pore that offers the air flue of up/down perforation in this driven plunger body and be connected with described air reservoir, described air flue is provided with the breeder tube being connected with described pore; The upper shed of described air flue is communicated with described suction port, and under shed is by a pipeline and mutually airtight connection of gas charging valve unit being located at outside described valve body; In described air flue, being provided with can be along the axially displaced regulating piston that is connected or ends with pore to control described breeder tube of this air flue.
2. a kind of mechanical delay device that adopts gas external control as claimed in claim 1, is characterized in that: described gas charging valve is also provided with pressure stopwatch on unit.
3. a kind of mechanical delay device that adopts gas external control as claimed in claim 1, is characterized in that: in described air flue, the top position of corresponding described breeder tube is provided with filtering mechanism.
4. a kind of mechanical delay device that adopts gas external control as claimed in claim 1, it is characterized in that: described driven plunger body comprises body under driven plunger upper body and driven plunger, this driven plunger upper body is by body under driven plunger described in scyewed joint, and described flap is by driven plunger upper body described in scyewed joint.
5. a kind of mechanical delay device that adopts gas external control as claimed in claim 1, is characterized in that: described regulating piston has the taper piston head that can stretch into and seal described breeder tube.
6. a kind of mechanical delay device that adopts gas external control as described in claim 1 or 5, it is characterized in that: described regulating piston comprises the taper piston head, intermediate portion and the afterbody that are connected with successively from top to bottom, the face area of described afterbody is greater than the cross-section area of described intermediate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078292.0A CN103836244B (en) | 2014-03-05 | 2014-03-05 | A kind of mechanical delay device using gas exterior to control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078292.0A CN103836244B (en) | 2014-03-05 | 2014-03-05 | A kind of mechanical delay device using gas exterior to control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103836244A true CN103836244A (en) | 2014-06-04 |
| CN103836244B CN103836244B (en) | 2016-11-23 |
Family
ID=50800018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410078292.0A Active CN103836244B (en) | 2014-03-05 | 2014-03-05 | A kind of mechanical delay device using gas exterior to control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103836244B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121408A (en) * | 2014-06-27 | 2014-10-29 | 宁波市永航消防设备有限公司 | Fire-fighting pneumatic delayer |
| CN105904259A (en) * | 2016-06-08 | 2016-08-31 | 广东长盈精密技术有限公司 | Clamp and pneumatic time delay valve thereof |
| CN108612898A (en) * | 2018-07-13 | 2018-10-02 | 深圳市摩控自动化设备有限公司 | Electropneumatic valve positioner gas circuit conversion equipment and electropneumatic valve positioner |
| CN114576401A (en) * | 2022-03-17 | 2022-06-03 | 宁波广知电子科技有限公司 | Mechanical delay valve for fire-fighting system and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201992173U (en) * | 2010-11-25 | 2011-09-28 | 南京消防器材股份有限公司 | Pneumatic time-delay valve |
| CN202402762U (en) * | 2011-12-22 | 2012-08-29 | 天广消防股份有限公司 | Novel gas delay device |
| US20130081725A1 (en) * | 2010-06-15 | 2013-04-04 | Akira Arisato | Time delay valve |
| CN202868002U (en) * | 2012-10-19 | 2013-04-10 | 天广消防股份有限公司 | Pneumatic balance type start delayer |
| CN203730880U (en) * | 2014-03-05 | 2014-07-23 | 天广消防股份有限公司 | Mechanical delayer adopting external gas control |
-
2014
- 2014-03-05 CN CN201410078292.0A patent/CN103836244B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130081725A1 (en) * | 2010-06-15 | 2013-04-04 | Akira Arisato | Time delay valve |
| CN201992173U (en) * | 2010-11-25 | 2011-09-28 | 南京消防器材股份有限公司 | Pneumatic time-delay valve |
| CN202402762U (en) * | 2011-12-22 | 2012-08-29 | 天广消防股份有限公司 | Novel gas delay device |
| CN202868002U (en) * | 2012-10-19 | 2013-04-10 | 天广消防股份有限公司 | Pneumatic balance type start delayer |
| CN203730880U (en) * | 2014-03-05 | 2014-07-23 | 天广消防股份有限公司 | Mechanical delayer adopting external gas control |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121408A (en) * | 2014-06-27 | 2014-10-29 | 宁波市永航消防设备有限公司 | Fire-fighting pneumatic delayer |
| CN105904259A (en) * | 2016-06-08 | 2016-08-31 | 广东长盈精密技术有限公司 | Clamp and pneumatic time delay valve thereof |
| CN108612898A (en) * | 2018-07-13 | 2018-10-02 | 深圳市摩控自动化设备有限公司 | Electropneumatic valve positioner gas circuit conversion equipment and electropneumatic valve positioner |
| CN114576401A (en) * | 2022-03-17 | 2022-06-03 | 宁波广知电子科技有限公司 | Mechanical delay valve for fire-fighting system and operation method thereof |
| CN114576401B (en) * | 2022-03-17 | 2023-08-25 | 宁波广知电子科技有限公司 | Mechanical delay valve for fire-fighting system and operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103836244B (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836244A (en) | Mechanical delayer adopting external gas control | |
| CN105605371B (en) | Building pipe apparatus for examination and repair | |
| CN102012348B (en) | Lamp bulb compression resistance testing fixture | |
| CN206682593U (en) | One kind hydrogenation cylinder valve module | |
| CN103038520A (en) | Time-delay valve | |
| CN202708209U (en) | Double gas supply gas valve | |
| CN208704971U (en) | A kind of door and window device for detecting performance | |
| CN202708189U (en) | Dual-source gas valve | |
| CN203730880U (en) | Mechanical delayer adopting external gas control | |
| CN109751922A (en) | A kind of exhaust valve type carbon dioxide fracturing pipe | |
| CN107606177B (en) | A kind of adjustable automatic valve of flow pressure | |
| CN205918908U (en) | Pneumatic sub -sea valve with fastener | |
| CN208997401U (en) | Cryogenic engine multifunctional high pressure igniter valve | |
| CN206220913U (en) | Packer | |
| CN208399150U (en) | A kind of aero-engine unit test repacking pin configuration | |
| CN207298047U (en) | Integral type bellows valve free of demolition | |
| CN206787397U (en) | The fracturing device of automatic plugging can ignite integrated apparatus with filling | |
| CN102569898A (en) | Lithium-series secondary battery sealing and forming device and process | |
| CN109027329A (en) | Cryogenic engine multifunctional high pressure igniter valve | |
| CN104105376A (en) | Sealed electric appliance box and sealing detection method | |
| CN201401540Y (en) | Pilot electric-explosion opening valve | |
| CN209875984U (en) | Sealing combination device | |
| CN202708279U (en) | Bottle head valve for fire-fighting equipment | |
| CN201277178Y (en) | Gas circuit integrated controller for mining air compressor | |
| CN207830584U (en) | A kind of high-purity high pressure oxygen cylinder valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160824 Address after: 362300 Quanzhou City, Fujian Province, the success of science and Technology Industrial Zone, Nanan Applicant after: Fujian Tianguang Fire-fighting Incorporated Company Address before: 362300 Quanzhou City, Fujian Province, the success of science and Technology Industrial Zone, Nanan Applicant before: Tianguang Fire Fighting Co.,Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |