CN204025803U - A kind of gas burning time pressure reducing valve - Google Patents
A kind of gas burning time pressure reducing valve Download PDFInfo
- Publication number
- CN204025803U CN204025803U CN201420094578.3U CN201420094578U CN204025803U CN 204025803 U CN204025803 U CN 204025803U CN 201420094578 U CN201420094578 U CN 201420094578U CN 204025803 U CN204025803 U CN 204025803U
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- China
- Prior art keywords
- spool
- valve
- transmission
- valve body
- burning time
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 103
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims abstract description 13
- 230000006837 decompression Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000003034 coal gas Substances 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a kind of gas burning time pressure reducing valve, comprise valve body, be arranged in mangetic core assembly and the valve seat of the valve pocket of described valve body, for reducing the pressure relief assembly of gaseous-pressure, be installed on the timer on described valve body and there is flexible transmission seal sheet, described timer comprises timing component and the timing drive part for transmitting timing information, described mangetic core assembly comprises and fits with described valve seat and form the seal spool part of sealing pair, for carrying the spool load-bearing component of described seal spool part, for apply sealing force Packing spring and for matching to transmit the spool driving component of timing information with described timing drive part, the two sides of described transmission seal sheet contacts with described timing drive part and described spool driving component respectively.
Description
Technical field
The utility model relates to a kind of gas pressure-reducing valve, particularly gas burning time pressure reducing valve, carries out for user the operation that combustion gas is closed in timing when using combustion gas.
Background technique
Reduction valve on the gaspot of current use is equivalent to automatic throttle, outlet pressures is changed by flow restriction, but the phenomenon that the air outlet end of this reduction valve likely leaks air, when people use coal gas forget close the switch valve of gaspot time, coal gas will likely from reduction valve seepage, brings potential safety hazard.If but need every day and carry out after using gas range the operation of closing gaspot, with the harm avoiding coal gas seepage to bring, then very inconvenient, and easily make people's burnout and forget closedown gaspot in frequent operation.
There is the gas pressure-reducing valve with timing function on the market now.(hot plate dish when using combustion gas, use water heater etc.), control gas valve by time switch.When needs use coal gas, estimation coal gas service time, rotate this time switch to needed time (as 10 minutes), then burnt gas switch opened by band, and combustion gas is open-minded, ignition.The default time reaches, and gas valve is closed automatically, thus ensure that the safety that user's gas uses.
The structure of the transmission device of current gas burning time pressure reducing valve is on the market more complicated, and resistance is comparatively large, easily causes timer to break down.Therefore, those skilled in the art be devoted to develop a kind of structure more simply, gas burning time pressure reducing valve more reliably.
Model utility content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide the simple gas burning time pressure reducing valve of a kind of structure.
The technological scheme that the utility model adopts is: a kind of gas burning time pressure reducing valve, comprise valve body, be arranged in mangetic core assembly and the valve seat of the valve pocket of described valve body, for reducing the pressure relief assembly of gaseous-pressure, be installed on the timer on described valve body and there is flexible transmission seal sheet, described timer comprises timing component and the timing drive part for transmitting timing information, described mangetic core assembly comprises and fits with described valve seat and form the seal spool part of sealing pair, for carrying the spool load-bearing component of described seal spool part, for apply sealing force Packing spring and for matching to transmit the spool driving component of timing information with described timing drive part, the two sides of described transmission seal sheet contacts with described timing drive part and described spool driving component respectively, described timer and mangetic core assembly are configured to: when described timer is definition status, described timer acts on described spool load-bearing component by described timing drive part and spool driving component and described seal spool part and described valve seat is separated, after the timing of described timer completes, described spool load-bearing component is subject to the active force of described Packing spring and described seal spool part and described valve seat is fitted.
Preferably, described valve body has decompression and regulates passage, described pressure relief assembly comprises and has flexible reduced pressure sealing sheet, relief spring, decompression adjustment member, described decompression adjustment member is installed in the mode of pivot joint in the valve pocket of described valve body, the first end of described decompression adjustment member is positioned at the outlet port that described decompression regulates passage, second end of described decompression adjustment member is against the first surface of described reduced pressure sealing sheet, and one end of described relief spring is against second of described reduced pressure sealing sheet.More preferably, described pressure relief assembly also comprises pressure regulating nut, and described pressure regulating nut and the Placement of described valve body are that spiral is connected, and the second end of described relief spring is against the internal surface of described pressure regulating nut.
Preferably, described gas burning time pressure reducing valve also comprises gas overflow protective device.
Preferably, described transmission seal sheet has the transmission unit contacted with described timing drive part and described spool driving component, the face that described transmission unit contacts with described timing drive part is concave face, and the face that described transmission unit contacts with described spool driving component is crowning.
Preferably, described transmission seal sheet entirety is circular.
Preferably, described timing component comprises clockwork spring, has the vibration system of natural period, for the cam giving the gear assembly of described vibration system, the main shaft driven by described clockwork spring by the energy transferring of described clockwork spring, rotated by described main shaft drives, the periphery of described cam contacts with described timing drive part.More preferably, described vibration system comprises pendulum fork, escapement and hairspring.
Preferably, described timing drive part comprises the first transmission part and the second transmission part, described spool driving component comprises the 3rd transmission part and the 4th transmission part, the two sides of described transmission seal sheet contacts with described second transmission part and described 3rd transmission part respectively, described first transmission part, the second transmission part, the 4th rotatable parts are revolute pair relative to the kinematic pair of described valve body, described 3rd transmission part is sliding pair relative to the kinematic pair of described valve body, and described spool load-bearing component is sliding pair relative to the kinematic pair of described valve body.More preferably, described 4th transmission part comprise carry out pivot joint with described 3rd transmission part the 4th contacts upstream portion, for transmission give the 4th downstream contact portion of described spool load-bearing component and the 4th joint for being connected described 4th contacts upstream portion and described 4th downstream contact portion, described 4th joint is installed in the valve pocket of described valve body in the mode of pivot joint.Further preferably, one end of described spool load-bearing component is provided with locating stud, and described 4th downstream contact portion has draw-in groove, and described locating stud is arranged in described draw-in groove.
Advantageous Effects of the present utility model is: the gas burning time pressure reducing valve structure in this embodiment is simple, and transmitting assemblies resistance is lower, and the probability that timer is operationally broken down reduces.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment of gas burning time pressure reducing valve provided by the utility model.
The first transmission part that Fig. 2 is the gas burning time pressure reducing valve shown in Fig. 1 and the perspective view of the second transmission part.
Wherein: 100-valve body; 200-mangetic core assembly; 300-pressure relief assembly; 400-timer; 500-transmission seal sheet; 110-valve seat; 210-seal spool part; 220-spool load-bearing component; 230-Packing spring; 310-reduced pressure sealing sheet; 320-relief spring; 330-reduces pressure adjustment member; 340-pressure regulating nut; 610-first transmission part; 620-second transmission part; 630-the 3rd transmission part; 640-the 4th transmission part; 700-gas overflow protective device
Embodiment
Fig. 1-Fig. 2 shows the preferred embodiment of one of gas burning time pressure reducing valve provided by the utility model.
As Figure 1-Figure 2, the gas timing valve in this embodiment comprises valve body 100, mangetic core assembly 200, valve seat 110, pressure relief assembly 300, timer 400 and transmission seal sheet 500.Wherein, mangetic core assembly 200 and valve seat 110 are arranged in the valve pocket of valve body 100, and mangetic core assembly 200 comprises seal spool part 210, and seal spool part 210 and valve seat 110 form sealing pair with throttle down.Valve seat 110 can as a part for valve body 100, namely one-body molded with valve body 100, also can as an independent part, the material of valve seat 300 can select conventional metallic material, corresponding, seal spool part 210 can select rubber, silica gel or metallic material etc.Pressure relief assembly 300 is arranged in the valve pocket of valve body 100, and effect reduces gaseous-pressure.Timer 400 is installed on valve body 100, arranges transmission seal sheet 500 to play the effect of sealing between timer 400 and valve body 100.
In this specific embodiment, mangetic core assembly 200 also comprises spool load-bearing component 220, Packing spring 230, spool load-bearing component 220 is for carrying spool Sealing 210, particularly, spool load-bearing component 220 entirety is shaft-like, seal spool part 210 is ring-type, and seal spool part 210 is socketed in the outside of spool load-bearing component 220.Spool load-bearing component 220 also comprises bulge loop, the first surface of bulge loop is against seal spool part 210, Packing spring 230 is also socketed in the outside of spool load-bearing component 220, second first end against Packing spring 230 of bulge loop, in the valve pocket of valve body 100, also through hole is set, the first end of spool load-bearing component 220 is arranged in outlet passage, second end is through through hole, thus, spool load-bearing component 220 is sliding pair relative to the kinematic pair of valve body 100, second end of spool load-bearing component 220 Packing spring 230 is against through-hole side wall, thus, by the elastic acting force of Packing spring 230, seal spool part 210 is close to valve seat 300 with closing valve.
Pressure relief assembly 300 comprise have flexible reduced pressure sealing sheet 310, relief spring 320, decompression adjustment member 330, pressure regulating nut 340, correspondingly, valve body 100 have decompression regulate passage.Decompression adjustment member 330 is installed in the mode of pivot joint in the valve pocket of valve body 100, the first end of decompression adjustment member 330 is positioned at the outlet port that decompression regulates passage, second end of decompression adjustment member 330 is against the first surface of reduced pressure sealing sheet 310, the first end of relief spring 320 is against second of reduced pressure sealing sheet 310, second end of relief spring 330 is against the internal surface of pressure regulating nut 340, and pressure regulating nut 340 and the Placement of valve body 100 are that spiral is connected.
In this specific embodiment, gas burning time pressure reducing valve also comprises gas overflow protective device 700.Gas overflow protective device 700 be set to technology known in the art; be not described in detail in this; such as; as a kind of real mode; gas overflow protective device 700 can comprise and is installed on overcurrent protective switch valve on valve body 100 and overcurrent protection spring; one end of overcurrent protection spring is against overcurrent protective switch valve; gas overflow protective device 700 also comprises the overcurrent protection Sealing and steel ball that are arranged in gas circulation passage, by overcurrent protection Sealing and steel ball interaction and open or closed gas circulation passage.
Timer 400 comprises timing component.Timing component be set to technology known in the art, general timer comprises as the clockwork spring of the energy, the main shaft that driven by this clockwork spring, and main shaft rotates and controls timing.The timing component of conventional mechanical watch can directly be applied in this specific embodiment, timing component also comprise there is the natural period vibration system, for by the energy transferring of clockwork spring to the gear assembly of vibration system, vibration system comprises pendulum fork, escapement and hairspring, the timing component of this mechanical watch is technology known in the art, is not described in detail in this.
When clockwork spring drive main spindle is rotated, need to act on spool load-bearing component 220 by transmitting assemblies, make spool load-bearing component 220 can resist the elastic acting force of Packing spring 230 and move, thus seal spool part 210 and valve seat 300 are separated from each other, to open valve.In this specific embodiment, transmitting assemblies comprises the first transmission part 610, second transmission part 620, the 3rd transmission part 630, the 4th transmission part 640.Wherein, the first transmission part 610 and the second transmission part 620 form timing drive part, belong to timer; 3rd transmission part 630 and the 4th transmission part 640 form spool driving component, belong to mangetic core assembly; The two sides of transmission seal sheet 500 contacts with the second transmission part 620 and the 3rd transmission part 630 respectively.When timer 400 is definition status, timer acts on spool load-bearing component 220 by timing drive part and spool driving component and seal spool part 210 and valve seat 300 is separated; After the timing of timer completes, spool load-bearing component 220 is subject to the active force of Packing spring 230 and seal spool part 210 and valve seat 300 is fitted.
In this specific embodiment, the main shaft of timer 400 is provided with cam, is rotated by main shaft drives, cam matches to transmit timing information with the first transmission part 610.Thus, the first transmission part 610 is revolute pair relative to the kinematic pair of valve body 100.One end of first transmission part 610 can be installed on the support of timer 400 in the mode of pivot joint, the other end of the first transmission part 610 can also install Returnning spring, when the first transmission part 610 is not by External Force Acting, due to the effect of reset tension spring, the first transmission part 610 is in the position making valve closing.
Second transmission part 620 is revolute pair relative to the kinematic pair of valve body 100, concrete, and the first end 201 of the second transmission part 620 is installed on the support of timer 400 in the mode of pivot joint.Second transmission part 620 comprises the second contacts upstream portion contacted with the first transmission part 610, first transmission part 610 comprises the first downstream contact portion contacted with the second transmission part 620, and the second contacts upstream portion directly contacts to carry out transmission with the first downstream contact portion of the first transmission part 610.
Transmission seal sheet 500 has elasticity, and such as, transmission seal sheet 500 is made up of rubber.Transmission seal sheet 500 has the transmission unit contacted with the second transmission part 620 and the 3rd transmission part 630, the face that transmission unit contacts with the second transmission part 620 is concave face, the face contacted with the 3rd transmission part 630 is crowning, can reduce the resistance of transmission device like this.Transmission seal sheet 630 entirety is circular.
3rd transmission part 630 is revolute pair relative to the kinematic pair of valve body 100, concrete, 3rd transmission part 300 is installed on valve body 100 with the form of slide block, 3rd transmission part 630 is against transmission seal sheet 500, when the second transmission part 620 rotates, just can act on the 3rd transmission part 300 and make it mobile.
4th rotatable parts 640 are revolute pair relative to the kinematic pair of valve body 100, concrete, 4th transmission part 640 comprise carry out pivot joint with the 3rd transmission part 630 the 4th contacts upstream portion, for transmission to the 4th downstream contact portion of spool load-bearing component 220 and the 4th joint for being connected the 4th contacts upstream portion and the 4th downstream contact portion, the 4th joint 403 is installed in the valve pocket of valve body 100 in the mode of pivot joint.The mechanism of the 4th rotatable parts 640 transmission is also the principle utilizing lever, when the 3rd transmission part 630 moves, the 4th transmission part 640 can be driven to rotate.
4th downstream contact portion of the 4th transmission part 640 is connected with spool load-bearing component 220, thus the opening and closing of control valve.One end of core load-bearing component is provided with locating stud, 4th downstream contact portion of the 4th transmission part 640 is provided with draw-in groove, and locating stud is arranged in draw-in groove, when the 4th transmission part 640 rotates, with the movement of movable valve plug load-bearing component 220, thus the opening and closing of valve can be realized.
Gas timing valve in this embodiment utilizes simple level Four transmission system, by the rotation of timer spindle through rotate and mobile gearing in mangetic core assembly, in addition the structure design of transmitting assemblies and transmission seal sheet is reduced to the resistance of transmitting assemblies, make timer, particularly have the timer of the vibration system of natural period, the probability operationally broken down reduces.
More than describe the preferred embodiment of model utility in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (10)
1. a gas burning time pressure reducing valve, comprise valve body, be arranged in mangetic core assembly and the valve seat of the valve pocket of described valve body, for reducing the pressure relief assembly of gaseous-pressure, be installed on the timer on described valve body and there is flexible transmission seal sheet, it is characterized in that, described timer comprises timing component and the timing drive part for transmitting timing information, described mangetic core assembly comprises and fits with described valve seat and form the seal spool part of sealing pair, for carrying the spool load-bearing component of described seal spool part, for apply sealing force Packing spring and for matching to transmit the spool driving component of timing information with described timing drive part, the two sides of described transmission seal sheet contacts with described timing drive part and described spool driving component respectively, described timer and mangetic core assembly are configured to: when described timer is definition status, described timer acts on described spool load-bearing component by described timing drive part and spool driving component and described seal spool part and described valve seat is separated, after the timing of described timer completes, described spool load-bearing component is subject to the active force of described Packing spring and described seal spool part and described valve seat is fitted.
2. gas burning time pressure reducing valve as claimed in claim 1, it is characterized in that, described valve body has decompression and regulates passage, described pressure relief assembly comprises and has flexible reduced pressure sealing sheet, relief spring, decompression adjustment member, described decompression adjustment member is installed in the mode of pivot joint in the valve pocket of described valve body, the first end of described decompression adjustment member is positioned at the outlet port that described decompression regulates passage, second end of described decompression adjustment member is against the first surface of described reduced pressure sealing sheet, and one end of described relief spring is against second of described reduced pressure sealing sheet.
3. gas burning time pressure reducing valve as claimed in claim 2, it is characterized in that, described pressure relief assembly also comprises pressure regulating nut, and described pressure regulating nut and the Placement of described valve body are that spiral is connected, and the second end of described relief spring is against the internal surface of described pressure regulating nut.
4. gas burning time pressure reducing valve as claimed in claim 1, it is characterized in that, described gas burning time pressure reducing valve also comprises gas overflow protective device.
5. gas burning time pressure reducing valve as claimed in claim 1, it is characterized in that, described transmission seal sheet has the transmission unit contacted with described timing drive part and described spool driving component, the face that described transmission unit contacts with described timing drive part is concave face, and the face that described transmission unit contacts with described spool driving component is crowning.
6. gas burning time pressure reducing valve as claimed in claim 1, it is characterized in that, described timing component comprises clockwork spring, has the vibration system of natural period, for the cam giving the gear assembly of described vibration system, the main shaft driven by described clockwork spring by the energy transferring of described clockwork spring, rotated by described main shaft drives, the periphery of described cam contacts with described timing drive part.
7. gas burning time pressure reducing valve as claimed in claim 6, is characterized in that, described vibration system comprises pendulum fork, escapement and hairspring.
8. gas burning time pressure reducing valve as claimed in claim 1, it is characterized in that, described timing drive part comprises the first transmission part and the second transmission part, described spool driving component comprises the 3rd transmission part and the 4th transmission part, the two sides of described transmission seal sheet contacts with described second transmission part and described 3rd transmission part respectively, described first transmission part, second transmission part, 4th rotatable parts are revolute pair relative to the kinematic pair of described valve body, described 3rd transmission part is sliding pair relative to the kinematic pair of described valve body, described spool load-bearing component is sliding pair relative to the kinematic pair of described valve body.
9. gas burning time pressure reducing valve as claimed in claim 8, it is characterized in that, described 4th transmission part comprise carry out pivot joint with described 3rd transmission part the 4th contacts upstream portion, for transmission give the 4th downstream contact portion of described spool load-bearing component and the 4th joint for being connected described 4th contacts upstream portion and described 4th downstream contact portion, described 4th joint is installed in the valve pocket of described valve body in the mode of pivot joint.
10. gas burning time pressure reducing valve as claimed in claim 9, it is characterized in that, one end of described spool load-bearing component is provided with locating stud, and described 4th downstream contact portion has draw-in groove, and described locating stud is arranged in described draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094578.3U CN204025803U (en) | 2014-02-27 | 2014-02-27 | A kind of gas burning time pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094578.3U CN204025803U (en) | 2014-02-27 | 2014-02-27 | A kind of gas burning time pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025803U true CN204025803U (en) | 2014-12-17 |
Family
ID=52065670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094578.3U Expired - Lifetime CN204025803U (en) | 2014-02-27 | 2014-02-27 | A kind of gas burning time pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204025803U (en) |
-
2014
- 2014-02-27 CN CN201420094578.3U patent/CN204025803U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200108 Address after: 315500 66 Tianfeng Road, east suburb development area, Fenghua District, Ningbo, Zhejiang Patentee after: Zhejiang Yihua time control gas equipment Technology Co.,Ltd. Address before: Fenghua City, Zhejiang province 315000 West Street in Ningbo city Jiashi Li Qiao Cun Patentee before: FENGHUA XIWU SHIKONG INSTRUMENT FACTORY |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
|
| CX01 | Expiry of patent term |