CN202176762U - Fuel gas proportional control valve - Google Patents
Fuel gas proportional control valve Download PDFInfo
- Publication number
- CN202176762U CN202176762U CN2011202607947U CN201120260794U CN202176762U CN 202176762 U CN202176762 U CN 202176762U CN 2011202607947 U CN2011202607947 U CN 2011202607947U CN 201120260794 U CN201120260794 U CN 201120260794U CN 202176762 U CN202176762 U CN 202176762U
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- Prior art keywords
- valve
- proportional
- magnet
- proportional valve
- iron core
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- Expired - Lifetime
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Abstract
The utility model discloses a fuel gas proportional control valve which comprises a valve body, a proportional valve and a stop valve, wherein the proportional valve is arranged at a proportional valve part of the vale body; the stop valve is arranged at a stop valve part of the valve body; the proportional valve comprises a proportional coil, a proportional cover plate and a proportional valve core arranged in the proportional valve part; the proportional valve core comprises a valve core body, a bowl-like valve plug is arranged at one end of the valve core body, and a fixing shaft is arranged at the other end of the valve core body; a membrane, a tray, a magnetic seat and a magnet are arranged on the fixing shaft; the magnet and the magnet seat are arranged at the outer end of the membrane; a plurality of jaws extending outward are arranged on the magnetic seat; clamping hooks are arranged at the end part of the jaws; and the magnet is fixedly arranged on the magnetic seat by the clamping hook. In the fuel gas proportional control valve, the magnet is fixedly arranged by the magnetic seat with a clamping hook structure, the requirements of the assembly technology are lower, and the magnet is easily and stably fixed, so that the working reliability of the proportional valve is improved. In addition, as no more parts are added according to the technical scheme, the performance of the proportional control valve is not changed due to the weight increase of the proportional valve core.
Description
Technical field
The utility model relates to a kind of gas valve, particularly relates to a kind of combustion gas proportional control valve, comprises valve body, is arranged on the Proportional valve of valve body Proportional valve portion and the stop valve of stop valve portion; Said Proportional valve comprises the ratio coil, than cover plate be arranged on the proportional valve spool in the said Proportional valve portion; Said proportional valve spool comprises valve core.
Background technique
The fuel gas inlet pressure of combustion gas tool is not constant in reality, and the inlet pressure of fluctuation causes gas outlet pressure also along with variation, causes the instability of combustion condition, for gas water-heater, will cause that water temperature is sometimes hot and sometimes cold.Therefore, need a kind of pressure regulator to come pressure is regulated, what keep-up pressure is stable.The proportional control technology is to realize the technological means of linear relationship between controlled variable and the controlled quentity controlled variable of element or system, relies on these means to guarantee that the size of output quantity changes in the variation of the ratio of confirming with input quantity.
General gas ratio valve generally includes valve body, ratio coil, than cover plate be arranged on the proportional valve spool in the valve body.Generally be provided with on the proportional valve spool epithelium and with the magnet of ratio coil interoperation.This magnet has and directly is fixed on proportional valve spool, also has to fix through an additional structure.Notification number is that the Chinese utility model patent specification of CN201133470Y discloses a kind of directly fixing proportional valve spool that adopts, though this structure can reduce part, alleviates the weight of proportional valve spool; But its assembly technology is had relatively high expectations.Not in place like assembly technology, it is loosening to be easy to generate magnet, thereby influences the functional reliability of Proportional valve.A kind of proportional valve spool structure of fixing through an additional structure is disclosed and notification number is the Chinese utility model patent specification of CN201236990Y; Though with the requirement of CN201133470Y simplified in comparison assembly technology; But this additional structure is complicated; Part is more, so it has increased the weight of proportional valve spool, has influenced the service behaviour of Proportional valve.
The model utility content
The technical problem that the utility model will solve provides a kind of combustion gas proportional control valve, through the architecture advances of Comparative Examples spool, solves the proportional valve spool assembly technology and has relatively high expectations, and is prone to cause the functional reliability problem of proportional control valve; Solve also simultaneously that proportional valve spool weight that magnet additional fastening structure brought increases and the service behaviour problem of the proportional control valve that causes.
The utility model technological scheme is: a kind of combustion gas proportional control valve comprises valve body, is arranged on the Proportional valve of valve body Proportional valve portion and the stop valve of stop valve portion; Said Proportional valve comprises the ratio coil, than cover plate be arranged on the proportional valve spool in the said Proportional valve portion; Said proportional valve spool comprises valve core; One end of said valve core is the valve plug that is bowl-shape, and the other end is a stationary axle; On said stationary axle, be provided with epithelium, pallet, magnetic receiver and magnet; Said magnet and magnetic receiver are arranged on said epithelium outer end; Said magnetic receiver is provided with some outward extending claws, is provided with grab in said claw end; Said magnet is fixed on the said magnetic receiver by said claw.Through a magnetic receiver that has claw structure magnet is fixed, its assembly technology requires lower, is prone to realize the held stationary of magnet, thereby has improved the functional reliability of Proportional valve.In addition, because the present technique scheme does not increase too much part, can not increase the performance change that produces proportional control valve owing to the weight of proportional valve spool.
In order to make magnetic receiver and proportional valve spool cooperate better and install in structure, said magnetic receiver is a solid of rotation, and the centre is provided with a fixed hole; Said magnetic receiver is arranged on the said stationary axle through a described fixed hole and a spring card.It has simplified the fixed structure of valve core and magnetic receiver, has improved the efficiency of assembling of proportional valve spool greatly.
In order to satisfy magnet is carried out the requirement that held stationary reduces proportional valve spool weight again, said claw is three, is circumferentially to be uniformly distributed with.
In order to increase the sealing effect of valve plug, on said valve plug, be arranged with the valve plug pad.
As a kind of optimization technique side of the utility model, said stop valve comprises by coil, static iron core, moving iron core and conduit, is provided with valve pad at the valve end of said moving iron core; Said conduit is arranged on said center by coil, and said moving iron core is slidingly arranged in the said conduit.Through in the conduit setting in coil, improved the dexterity of action and the electromagnetic performance of moving iron core in the stop valve.
For the installation of simplifying catheter, said stop valve also comprises two bracket panels; Said two bracket panels are set in the two ends of said conduit respectively.
Through the technological scheme of above-described the utility model, reduced the assembly technology requirement of Comparative Examples spool, improved the functional reliability of proportional control valve.In addition, the structural design of magnetic receiver has been simplified the fixed structure of magnet, has improved the efficiency of assembling of proportional valve spool; And owing to alleviated the weight of proportional valve spool, thereby improved the service behaviour of proportional control valve.
Description of drawings
Fig. 1 is the external structure schematic representation of the utility model.
Fig. 2 is the cross-sectional view of the utility model.
Fig. 3 is the exploded view of proportional valve spool in the utility model.
Fig. 4 is the enlarged view of proportional valve spool among Fig. 2.
Fig. 5 is the structural representation of magnetic receiver in the utility model.
Fig. 6 is the enlarged view at A place among Fig. 2.
Wherein, valve body 1, Proportional valve portion 101, stop valve portion 102, air outlet 103, suction port 104, than cover plate 2, Proportional valve coil 3, ratio support 4, stop valve coil 5, by support 6, proportional valve spool 7, valve core 701, stationary axle 7011, epithelium 702, pallet 703, magnetic receiver 704, claw 7041, grab 7042, fixed hole 7043, magnet 705, spring card 706, valve plug pad 707, proportional spring 8, gusset 9, Proportional valve iron core 10, stop valve static iron core 11, moving iron core 12, valve pad 13, conduit 14, bracket panel 15, stop valve spring 16.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe.
Referring to Fig. 1 and Fig. 2, a kind of combustion gas proportional control valve comprises valve body 1, than cover plate 2, Proportional valve coil 3 and stop valve coil 5.Valve body 1 is provided with Proportional valve portion 101 and stop valve portion 102.In Proportional valve portion 101, be provided with proportional valve spool 7, in stop valve portion 102, be provided with by spool.Proportional valve coil 3 is fixed on than on the cover plate 2 through a ratio support 4.Stop valve coil 5 is fixed in the stop valve portion of valve body 1 by support 6 through one, and an end of the moving iron core 12 in spool is penetrated in the conduit 14 in coil 5.On the other end of moving iron core 12, be provided with valve pad 13, and selectively with stop valve portion 102 in do sealing by valve port and contact.Upper end at stop valve coil 5 intermediate conductors 14 is provided with stop valve static iron core 11.Under the control of stop valve coil 5, realize the opening and closing movement of stop valve through moving iron core 12 and stop valve static iron core 11 by spool.
Referring to Fig. 3 and Fig. 4, proportional valve spool 7 comprises valve core 701, epithelium 702, pallet 703, magnetic receiver 704, magnet 705, spring card 706 and valve plug pad 707.Valve core 701 main bodys are a hollow cylinder, and the lower end is roughly to be the sealed end of the bowl bodies of hemisphere, and is provided with a circular groove, is arranged with valve plug pad 707 in the circular groove.In the upper end of valve core 701 is a stationary axle 7011, and said pallet 703, epithelium 702 and magnetic receiver 704 are installed in successively on the said stationary axle 7011 and are fixing through said spring card 706.
Referring to Fig. 4 and Fig. 5, magnetic receiver 704 is the solid of rotation of a two stage steps, and the diameter of its lower end is less than the diameter of upper end.Magnetic receiver 704 is fixed on the said stationary axle 7011 through the fixed hole 7043 that is provided with in the middle of its lower end.Be one discoid in magnetic receiver 704 upper ends, its periphery is provided with three upwardly extending claws 7041, is an inside grab 7042 in the end of claw 7041.Claw 7041 is even layout of circumference work along the magnetic receiver upper end.
Said magnet 705 is the ferrite of a round pie, and its size is adaptive with the round internal diameter that said three claws 7041 form, and is fixed on magnetic receiver 704 upper ends through the grab on the claw 7,041 7042.
The outer periphery of said epithelium 702 is provided with a seal ring, and the seal groove at Proportional valve portion 101 places suitable for reading is adaptive on sealing circle and the valve body 1, and is fastened in the sealing groove, is pressed on the valve body 1 than cover plate 2 through said.
Be provided with a upper chamber protruding upward in the centre than cover plate 2, said magnetic receiver 704 is placed in this upper chamber with magnet 705, avoid with Proportional valve master chamber in contacts fuel gas cause corrosion.
The lower seal end of proportional valve spool 7 is positioned at the lower valve port place of Proportional valve portion 101, and contacts through selectively doing sealing with the lower valve port of Proportional valve portion 101 under the control that is arranged on Proportional valve iron core 10 and magnet 705 and Proportional valve coil 3 in the Proportional valve coil 3.The potted line correspondence of the lower valve port of Proportional valve portion 101 is set in the valve plug pad 707 on valve core 701 sealed ends, improves sealability.
The pressure regulation of Proportional valve is identical with existing technology with principle of stabilized voltage.Combustion gas gets into Proportional valve and under the control of stop valve the main chamber of entering Proportional valve from suction port.When ratio coil 3 obtains a control electric current according to temperature feedback signal; Produce a magnetic field in Proportional valve iron core 10 lower ends, and through with proportional valve spool 7 on the effect of magnet 705, promote proportional valve spool 7 and move down; The sealed end of valve core 701 is opened, increased the flow of combustion gas.The control electric current of the opening degree of proportional valve spool 7 and Proportional valve coil 3 is proportional.
After electric current is pressed temperature value and is confirmed, proportional valve spool 7 stressed constant.At this moment, when the gas pressure in main chamber changes, excessive like pressure; Then move and drive on the epithelium 702 on the whole proportional valve spool 7 and move; Thereby reduced the opening degree of proportional valve spool 7,103 air pressure that come out are reduced, controlled constant gaseous-pressure output with this.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that is no more than the technological scheme that claim puts down in writing, also has other variant and remodeling.
Claims (8)
1. a combustion gas proportional control valve comprises valve body, is arranged on the Proportional valve of valve body Proportional valve portion and the stop valve of stop valve portion; Said Proportional valve comprises the ratio coil, than cover plate be arranged on the proportional valve spool in the said Proportional valve portion; Said proportional valve spool comprises valve core; It is characterized in that: an end of said valve core is the valve plug that is bowl-shape, and the other end is a stationary axle; On said stationary axle, be provided with epithelium, pallet, magnetic receiver and magnet; Said magnet and magnetic receiver are arranged on said epithelium outer end; Said magnetic receiver is provided with some outward extending claws, is provided with grab in said claw end; Said magnet is fixed on the said magnetic receiver by said claw.
2. combustion gas proportional control valve according to claim 1 is characterized in that: said magnetic receiver is a solid of rotation, and the centre is provided with a fixed hole; Said magnetic receiver is arranged on the said stationary axle through a described fixed hole and a spring card.
3. combustion gas proportional control valve according to claim 2 is characterized in that: said claw is three, is circumferentially to be uniformly distributed with.
4. according to claim 1 or 2 or 3 described combustion gas proportional control valves, it is characterized in that: on said valve plug, be arranged with the valve plug pad.
5. according to claim 1 or 2 or 3 described combustion gas proportional control valves, it is characterized in that: said stop valve comprises by coil, static iron core, moving iron core and conduit, is provided with valve pad at the valve end of said moving iron core; Said conduit is arranged on said center by coil, and said moving iron core is slidingly arranged in the said conduit.
6. combustion gas proportional control valve according to claim 4 is characterized in that: said stop valve comprises by coil, static iron core, moving iron core and conduit, is provided with valve pad at the valve end of said moving iron core; Said conduit is arranged on said center by coil, and said moving iron core is slidingly arranged in the said conduit.
7. combustion gas proportional control valve according to claim 5 is characterized in that: said stop valve also comprises two bracket panels; Said two bracket panels are set in the two ends of said conduit respectively.
8. combustion gas proportional control valve according to claim 6 is characterized in that: said stop valve also comprises two bracket panels; Said two bracket panels are set in the two ends of said conduit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202607947U CN202176762U (en) | 2011-07-22 | 2011-07-22 | Fuel gas proportional control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202607947U CN202176762U (en) | 2011-07-22 | 2011-07-22 | Fuel gas proportional control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176762U true CN202176762U (en) | 2012-03-28 |
Family
ID=45866640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202607947U Expired - Lifetime CN202176762U (en) | 2011-07-22 | 2011-07-22 | Fuel gas proportional control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176762U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990026A (en) * | 2017-11-23 | 2018-05-04 | 深圳市火王燃器具有限公司 | A kind of new gas valve body |
| CN111043364A (en) * | 2018-10-12 | 2020-04-21 | 芜湖美的厨卫电器制造有限公司 | Water heater and valve thereof |
| CN113757428A (en) * | 2021-08-27 | 2021-12-07 | 浙江朗森智能科技有限公司 | Gas valve assembling process, oil coating module, stabilizing module and magnet module |
-
2011
- 2011-07-22 CN CN2011202607947U patent/CN202176762U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990026A (en) * | 2017-11-23 | 2018-05-04 | 深圳市火王燃器具有限公司 | A kind of new gas valve body |
| CN111043364A (en) * | 2018-10-12 | 2020-04-21 | 芜湖美的厨卫电器制造有限公司 | Water heater and valve thereof |
| CN113757428A (en) * | 2021-08-27 | 2021-12-07 | 浙江朗森智能科技有限公司 | Gas valve assembling process, oil coating module, stabilizing module and magnet module |
| CN113757428B (en) * | 2021-08-27 | 2022-04-19 | 浙江朗森智能科技有限公司 | Gas valve assembling process, oil coating module, stabilizing module and magnet module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |