CN203335877U - Split-type fuel gas proportional valve - Google Patents
Split-type fuel gas proportional valve Download PDFInfo
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- CN203335877U CN203335877U CN2013203852771U CN201320385277U CN203335877U CN 203335877 U CN203335877 U CN 203335877U CN 2013203852771 U CN2013203852771 U CN 2013203852771U CN 201320385277 U CN201320385277 U CN 201320385277U CN 203335877 U CN203335877 U CN 203335877U
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Abstract
The utility model relates to the technical field of fuel gas proportional valves, in particular to a split-type fuel gas proportional valve. The split-type fuel gas proportional valve comprises a proportional regulating valve and a stop valve, the proportional regulating valve is mainly composed of a proportional electromagnetic valve, a proportional upper cover board, a proportional valve body and a proportional bottom board. The stop valve is mainly composed of a stop valve body and a stop electromagnetic valve; the left side of the proportional valve body and the right side of the proportional valve body are respectively provided with an installation position used for being connected with the stop valve body, the stop electromagnetic valve is fixedly arranged on an installation portion of the stop electromagnetic valve, and the stop electromagnetic valve and an air inlet of an air inlet pipe connecting portion are arranged in a straight line; the proportional electromagnetic valve is fixedly arranged on the proportional upper cover board and the proportional electromagnetic valve and an air channel outlet are arranged perpendicularly. According to the split-type fuel gas proportional valve, the size of the device is greatly reduced, the split-type fuel gas proportional valve can completely satisfy the requirements of the size of an ultrathin and ultra-small machine, and the choice of the two installation positions can be provided for a client.
Description
Technical field
The utility model relates to the gas ratio valve technical field, and particularly relating to a kind of ratio adjusting valve body and stop valve body is the gas ratio valve of independent sector mutually, and the passing ratio control technique is implemented proportional control to the gaseous-pressure of gas utensil.
Background technique
The burning inlet pressure of gas utensil is not constant in actual use, is especially using the gas peak period, and the inlet pressure wave range is larger, causes gas outlet pressure also along with variation, causes the burner combustion enginnering unstable.For water heater, just occur that water temperature crosses cold superheating phenomenon.Gas ratio valve is a pressure regulator of the exploitation of the existence based on above-mentioned technological difficulties formally, realizes the stable output of outlet pressure when inlet pressure fluctuates within the specific limits.
The gas ratio valve of single solenoid valve in the market, overall volume is larger, and the suction port position only is distributed in the valve body right side, and suction port, also not in the valve axis position, especially causes the installation difficulty of ultra-thin extra small type; The Split type gas Proportional valve meets the installation requirements of ultra-thin extra small type fully, and the easy for installation of client's the right and left also is provided simultaneously.
Gas ratio valve as the publication number disclosed a kind of compact structure of Chinese patent that is CN201636418U, comprising Proportional valve section, stop valve section, suction tude oral area and steam outlet pipe oral area, described the second solenoid valve is arranged on the outer end of described stop valve section, with described suction tude oral area, roughly is and is arranged vertically.The ratio of this Proportional valve regulate and stop valve as a whole, air inlet tube section only is positioned at the right side of valve body, can't realize that the left side suction tude installs, and ratio adjusting portion sub-coil and suction tude position arrange in the same way, the installation rear valve body is in inversion state.
Therefore be necessary existing gas proportion valve arrangement is carried out to technological innovation further.
Summary of the invention
The purpose of this utility model is for the defect of prior art and deficiency, and the installation requirements that provide a kind of simple in structure, reasonable in design, can meet ultra-thin extra small gas utensil also can meet the Split type gas Proportional valve of client to installation position selection.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of Split type gas Proportional valve described in the utility model, comprise independently ratio adjusting valve and independently stop valve, and described ratio adjusting valve is fixedly connected by screw and stop valve; Ratio adjusting valve mainly is comprised of proportional electromagnetic valve, ratio upper cover plate, proportion valve body and ratio base plate, and stop valve mainly is comprised of checking-valve body and cut-off electromagnetic valve; The left and right sides of proportion valve body is provided with for connecting the installation position of checking-valve body, is provided with the gas circuit outlet on the front surface of proportion valve body, is provided with two mounting limit holes, ratio end face and square gas circuit connecting passage on installation position; The assembling limited post that checking-valve body is provided with the cut-off end face that is complementary with the ratio end face, be complementary with the mounting limit hole, the round square gas channels, air inlet tube section, stop valve air cavity and the cut-off electromagnetic valve assembly department that are complementary with square gas circuit connecting passage; Cut-off electromagnetic valve is fixedly installed on the cut-off electromagnetic valve assembly department, and the suction port of cut-off electromagnetic valve and air inlet tube section is linearly arranged; Proportional electromagnetic valve is fixedly installed on the ratio upper cover plate, and described proportional electromagnetic valve and gas circuit export to be and be arranged vertically; Suction port is connected and communicates with stop valve inner chamber, circle square gas channels, square gas circuit connecting passage, the Proportional valve inner chamber of proportion valve body, the gas circuit outlet of checking-valve body successively.
Further, be provided with an outstanding gas channels directly over described air inlet tube section, the tubular structure that gas channels is right angle type, the upper end of gas channels is provided with the stop valve restriction, the central axis of this stop valve restriction is located on the central axis of stop valve, the lower end of gas channels is connected and communicates with circle square gas channels, cut-off electromagnetic valve be positioned at the stop valve restriction directly over, the central axis of cut-off electromagnetic valve, stop valve restriction and air inlet tube section be coaxially setting; Cut-off electromagnetic valve one end is equiped with the glue of quality of rubber materials and claps, and glue is clapped and is arranged between cut-off electromagnetic valve and stop valve restriction.
Further, be provided with the seal groove position be complementary with circle square gas channels on described cut-off end face, described seal groove position is provided with the sealing gasket be complementary with the seal groove position.
Further, described Proportional valve inner chamber is the handstand cup-like structure, and the Proportional valve inner chamber is provided with proportional valve spool, and the bottom of proportional valve spool closely is arranged with a horn-like working of plastics, is provided with 0 RunddichtringO between described working of plastics and proportional valve spool; The upper end of described working of plastics is provided with epithelium, and epithelium is fixed on described proportional valve spool by back-up ring, and the top of proportional valve spool is fixedly installed permanent magnet, and the edge of epithelium contacts with proportion valve body groove position; The lower end of described working of plastics closely is arranged with Sealing, and the edge of Sealing contacts with the Proportional valve restriction; Be provided with Regulation spring between the lower end of described working of plastics and ratio base plate, be provided with the spring qualifying bit be complementary with Regulation spring on described ratio base plate, proportional valve spool carries out switch motion and Flow-rate adjustment action under the effect of described proportional electromagnetic valve.
Further, the installation position, left side of described checking-valve body and proportion valve body is fixedly connected.
Further, the installation position, right side of described checking-valve body and proportion valve body is fixedly connected.
Further, the outer side wall of described air inlet tube section radially evenly is provided with three fastening screw trip bolt positions along described air inlet tube section.
Further, be provided with O-ring seal one on the junction surface of described proportion valve body and ratio base plate; Be provided with O-ring seal two on the junction surface of described checking-valve body and cut-off electromagnetic valve.
After adopting said structure, the utility model beneficial effect is: a kind of Split type gas Proportional valve described in the utility model, when making the utility model, both can guarantee the normal performance of gas ratio valve, can reduce the overall volume of this device again, the volume requirement of fully applicable ultra-thin extra small type, also provide the selection of two kinds of installation positions to the client.The utlity model has simple in structurely, arrange rationally, the advantage such as fabricating cost is low.
The accompanying drawing explanation
Accompanying drawing described herein is to be used to provide further understanding of the present utility model, forms the application's a part, but does not form to improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Split type structure schematic diagram of the present utility model;
Fig. 3 is internal structure schematic diagram of the present utility model;
Description of reference numerals:
1, checking-valve body; 1a, suction port; 1c, stop valve inner chamber; 1d, gas channels;
1e, stop valve restriction; 101, fastening screw trip bolt position; 102, air inlet tube section;
103, stop valve air cavity; 104, cut-off electromagnetic valve assembly department; 105, cut-off end face;
107, assembling limited post; 108, seal groove position; 109, justify the square gas channels;
2, cut-off electromagnetic valve; 3, proportional electromagnetic valve; 4, ratio upper cover plate;
5, proportion valve body; 5a, proportion valve body groove position; 5b, Proportional valve inner chamber;
5c, Proportional valve restriction; 502, mounting limit hole; 503, ratio end face;
504, square gas circuit connecting passage; 505, gas circuit outlet;
6, ratio base plate; 601, spring qualifying bit; 7, glue is clapped; 8, O-ring seal two;
10, permanent magnet; 11, back-up ring; 12, epithelium; 14, proportional valve spool;
15, Sealing; 16, working of plastics; 17, O-ring seal one; 18, Regulation spring.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples wherein and explanation only are used for explaining the utility model, but not as to restriction of the present utility model.
As Figure 1-3, a kind of Split type gas Proportional valve described in the utility model, comprise independently ratio adjusting valve and independently stop valve, and described ratio adjusting valve is fixedly connected by screw and stop valve; Ratio adjusting valve mainly is comprised of proportional electromagnetic valve 3, ratio upper cover plate 4, proportion valve body 5 and ratio base plate 6, and stop valve mainly is comprised of checking-valve body 1 and cut-off electromagnetic valve 2; The left and right sides of proportion valve body 5 is provided with for connecting the installation position of checking-valve body 1, is provided with gas circuit outlet 505 on the front surface of proportion valve body 5, is provided with two mounting limit holes 502, ratio end face 503 and square gas circuit connecting passage 504 on installation position; The assembling limited post 107 that checking-valve body 1 is provided with the cut-off end face 105 that is complementary with ratio end face 503, be complementary with mounting limit hole 502, the round square gas channels 109, air inlet tube section 102, stop valve air cavity 103 and the cut-off electromagnetic valve assembly department 104 that are complementary with square gas circuit connecting passage 504; Cut-off electromagnetic valve 2 is fixedly installed on cut-off electromagnetic valve assembly department 104, and cut-off electromagnetic valve 2 is linearly arranged with the suction port 1a of air inlet tube section 102; Proportional electromagnetic valve 3 is fixedly installed on ratio upper cover plate 4, and described proportional electromagnetic valve 3 is and is arranged vertically with gas circuit outlet 505; Suction port 1a is connected and communicates with stop valve inner chamber 1c, circle square gas channels 109, square gas circuit connecting passage 504, the Proportional valve inner chamber 5b of proportion valve body 5, the gas circuit outlet 505 of checking-valve body 1 successively.
As a kind of optimal way of the utility model, be provided with an outstanding gas channels 1d directly over described air inlet tube section 102, the tubular structure that gas channels 1d is right angle type, the upper end of gas channels 1d is provided with stop valve restriction 1e, the central axis of this stop valve restriction 1e is located on the central axis of stop valve, the lower end of gas channels 1d is connected and communicates with circle square gas channels 109, to effectively reduce the height of checking-valve body 1, make checking-valve body 1 and the further miniaturization of proportion valve body 5, to be conducive to improve the medium negotiability; Cut-off electromagnetic valve 2 be positioned at stop valve restriction 1e directly over, the central axis of cut-off electromagnetic valve 2, stop valve restriction 1e and air inlet tube section 102 is coaxial the setting; Cut-off electromagnetic valve 2 one ends are equiped with the glue of quality of rubber materials and clap 7, glue is clapped 7 and is arranged between cut-off electromagnetic valve 2 and stop valve restriction 1e, under cut-off electromagnetic valve 2 off positions, glue is clapped the effect press seal of 7 modulated springs 18 and axle deadweight on stop valve restriction 1e, thereby reaches effective cutoff function.
As a kind of optimal way of the utility model, be provided with the seal groove position 108 be complementary with circle square gas channels 109 on described cut-off end face 105, described seal groove position 108 is provided with the sealing gasket be complementary with seal groove position 108; Thereby guaranteed the sealing that ratio adjusting valve is connected with stop valve.
As a kind of optimal way of the utility model, described Proportional valve inner chamber 5b is the handstand cup-like structure, in the course of the work for being the negative pressure structure, to guarantee the safety reliability of work; Proportional valve inner chamber 5b is provided with proportional valve spool 14, and the bottom of proportional valve spool 14 closely is arranged with a horn-like working of plastics 16, between described working of plastics 16 and proportional valve spool 14, is provided with the O RunddichtringO, to guarantee the tightness of its connection; The upper end of described working of plastics 16 is provided with epithelium 12, epithelium 12 is fixed on described proportional valve spool 14 by back-up ring 11, the top of proportional valve spool 14 is fixedly installed permanent magnet 10, and the edge of epithelium 12 contacts with proportion valve body groove position 5a, in order to form the sealing of Comparative Examples valve insertion 5b upper-end surface; The lower end of described working of plastics 16 closely is arranged with Sealing 15, and the edge of Sealing 15 contacts with Proportional valve restriction 5c, thereby realizes the throttling of gas circuit is controlled; Be provided with Regulation spring 18 between the lower end of described working of plastics 16 and ratio base plate 6, so that Sealing 15 is adjacent to and realizes cutoff function with Proportional valve restriction 5c; Be provided with the spring qualifying bit 601 be complementary with Regulation spring 18 on described ratio base plate 6, Regulation spring 18 1 ends are placed in spring qualifying bit 601, Regulation spring 18 the other ends are connected with the lower end of working of plastics 16, to guarantee that Regulation spring 18 is in the course of the work without the sideslip position; Proportional valve spool 14 carries out switch motion and Flow-rate adjustment action under the effect of described proportional electromagnetic valve 3.
As a kind of optimal way of the utility model, described checking-valve body 1 is fixedly connected with the installation position, left side of proportion valve body 5; Now the installation position, right side of proportion valve body 5 and gas channels 1d are illogical state.
As a kind of optimal way of the utility model, described checking-valve body 1 is fixedly connected with the installation position, right side of proportion valve body 5; Now the installation position, left side of proportion valve body 5 and gas channels 1d are illogical state.
As a kind of optimal way of the utility model, the outer side wall of described air inlet tube section 102 radially evenly is provided with three fastening screw trip bolt positions 101 along described air inlet tube section 102, can guarantee like this stop valve no matter be connected to the right or the left side of ratio adjusting valve, all the time can maintain two easy-to-install fastening screw trip bolt positions 101, a remaining fastening screw trip bolt position 101 is illogical state in addition, in order to increase the Security that air inlet tube section 102 connects, to facilitate the user installation needs.
As a kind of optimal way of the utility model, on the junction surface of described proportion valve body 5 and ratio base plate 6, be provided with O-ring seal 1; Be provided with O-ring seal 28 on the junction surface of described checking-valve body 1 and cut-off electromagnetic valve 2.
Intake process of the present utility model is: first by suction port 1a air inlet, successively first by first throttle orifice 1e, through gas channels 1d and 5d, then, by described proportional parts throttle orifice 5e, from steam outlet pipe section 505 out, complete the Flow-rate adjustment process.
Intake process of the present utility model is: first by suction port 1a air inlet, gas is successively by stop valve restriction 1e, gas channels 1d, square gas circuit connecting passage 504, Proportional valve restriction 5c, last gas is discharged by gas circuit outlet 505, completes the Flow-rate adjustment process.
When making the utility model, both can guarantee the normal performance of gas ratio valve, can reduce again the overall volume of this device, the volume requirement of fully applicable ultra-thin extra small type, also provide the selection of two kinds of installation positions to the client.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above is only better embodiment of the present utility model; the independently stop valve body related in particular to, independently the Proportional valve body is connected and forms the scheme of whole gas ratio valve; the inner air path topology layout of stop valve body all belongs to the scope that this patent is laid special stress on protecting; the equivalence of doing according to the described structure of the utility model patent claim, feature and principle therefore all changes or modifies, and is included in the utility model patent claim.
Claims (8)
1. a Split type gas Proportional valve, it is characterized in that: comprise independently ratio adjusting valve and independently stop valve, described ratio adjusting valve is fixedly connected by screw and stop valve; Ratio adjusting valve mainly is comprised of proportional electromagnetic valve (3), ratio upper cover plate (4), proportion valve body (5) and ratio base plate (6), and stop valve mainly is comprised of checking-valve body (1) and cut-off electromagnetic valve (2); The left and right sides of proportion valve body (5) is provided with for connecting the installation position of checking-valve body (1), be provided with gas circuit outlet (505) on the front surface of proportion valve body (5), be provided with two mounting limit holes (502), ratio end face (503) and square gas circuit connecting passage (504) on installation position; The cut-off end face (105) that checking-valve body (1) is provided with air inlet tube section (102), stop valve air cavity (103), cut-off electromagnetic valve assembly department (104), be complementary with ratio end face (503), the assembling limited post (107) be complementary with mounting limit hole (502) and the round square gas channels (109) be complementary with square gas circuit connecting passage (504); It is upper that cut-off electromagnetic valve (2) is fixedly installed on cut-off electromagnetic valve assembly department (104), and cut-off electromagnetic valve (2) is linearly arranged with the suction port (1a) of air inlet tube section (102); It is upper that proportional electromagnetic valve (3) is fixedly installed on ratio upper cover plate (4), and described proportional electromagnetic valve (3) is and is arranged vertically with gas circuit outlet (505); Suction port (1a) is connected and communicates with stop valve inner chamber (1c), circle square gas channels (109), square gas circuit connecting passage (504), the Proportional valve inner chamber (5b) of proportion valve body (5), the gas circuit outlet (505) of checking-valve body (1) successively.
2. a kind of Split type gas Proportional valve according to claim 1, it is characterized in that: be provided with an outstanding gas channels (1d) directly over described air inlet tube section (102), the tubular structure that gas channels (1d) is right angle type, the upper end of gas channels (1d) is provided with stop valve restriction (1e), the central axis of this stop valve restriction (1e) is located on the central axis of stop valve, the lower end of gas channels (1d) is connected and communicates with circle square gas channels (109), cut-off electromagnetic valve (2) be positioned at stop valve restriction (1e) directly over, cut-off electromagnetic valve (2), the central axis of stop valve restriction (1e) and air inlet tube section (102) is coaxial the setting, cut-off electromagnetic valve (2) one ends are equiped with the glue of quality of rubber materials and clap (7).
3. a kind of Split type gas Proportional valve according to claim 1, it is characterized in that: be provided with the seal groove position (108) be complementary with circle square gas channels (109) on described cut-off end face (105), described seal groove position (108) is provided with the sealing gasket be complementary with seal groove position (108).
4. a kind of Split type gas Proportional valve according to claim 1, it is characterized in that: described Proportional valve inner chamber (5b) is the handstand cup-like structure, Proportional valve inner chamber (5b) is provided with proportional valve spool (14), the bottom of proportional valve spool (14) closely is arranged with a horn-like working of plastics (16), between described working of plastics (16) and proportional valve spool (14), is provided with the O RunddichtringO; The upper end of described working of plastics (16) is provided with epithelium (12), epithelium (12) is fixed on described proportional valve spool (14) by back-up ring (11), the top of proportional valve spool (14) is fixedly installed permanent magnet (10), and the edge of epithelium (12) contacts with proportion valve body groove position (5a); The lower end of described working of plastics (16) closely is arranged with Sealing (15), and the edge of Sealing (15) contacts with Proportional valve restriction (5c); Be provided with Regulation spring (18) between the lower end of described working of plastics (16) and ratio base plate (6), be provided with the spring qualifying bit (601) be complementary with Regulation spring (18) on described ratio base plate (6), proportional valve spool (14) carries out switch motion and Flow-rate adjustment action under the effect of described proportional electromagnetic valve (3).
5. a kind of Split type gas Proportional valve according to claim 1 is characterized in that: described checking-valve body (1) is fixedly connected with the installation position, left side of proportion valve body (5).
6. a kind of Split type gas Proportional valve according to claim 1 is characterized in that: described checking-valve body (1) is fixedly connected with the installation position, right side of proportion valve body (5).
7. a kind of Split type gas Proportional valve according to claim 1 is characterized in that: the outer side wall of described air inlet tube section (102) radially evenly is provided with three fastening screw trip bolt positions (101) along described air inlet tube section (102).
8. a kind of Split type gas Proportional valve according to claim 1, is characterized in that: on the junction surface of described proportion valve body (5) and ratio base plate (6), be provided with O-ring seal one (17); Be provided with O-ring seal two (8) on the junction surface of described checking-valve body (1) and cut-off electromagnetic valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203852771U CN203335877U (en) | 2013-06-28 | 2013-06-28 | Split-type fuel gas proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203852771U CN203335877U (en) | 2013-06-28 | 2013-06-28 | Split-type fuel gas proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335877U true CN203335877U (en) | 2013-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203852771U Expired - Lifetime CN203335877U (en) | 2013-06-28 | 2013-06-28 | Split-type fuel gas proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335877U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994258A (en) * | 2014-02-18 | 2014-08-20 | 杭州强邦精密机械电器有限公司 | Gas valve with proportional electromagnetic valve regulation and combustor air pressure feedback regulation functions |
| CN104728842A (en) * | 2015-02-06 | 2015-06-24 | 宁波市甬深电器有限公司 | Forced full-premixing fuel gas combustion device enabling fuel gas to be completely combusted |
| WO2016131391A1 (en) * | 2015-02-16 | 2016-08-25 | 艾欧史密斯(中国)热水器有限公司 | Proportional valve body, proportional valve and manufacturing method for proportional valve body |
| CN104776314B (en) * | 2015-03-30 | 2016-09-07 | 河南航天液压气动技术有限公司 | A kind of air entraining valve group and air entraining valve group aerating unit and valve body thereof |
-
2013
- 2013-06-28 CN CN2013203852771U patent/CN203335877U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994258A (en) * | 2014-02-18 | 2014-08-20 | 杭州强邦精密机械电器有限公司 | Gas valve with proportional electromagnetic valve regulation and combustor air pressure feedback regulation functions |
| CN104728842A (en) * | 2015-02-06 | 2015-06-24 | 宁波市甬深电器有限公司 | Forced full-premixing fuel gas combustion device enabling fuel gas to be completely combusted |
| CN104728842B (en) * | 2015-02-06 | 2017-01-18 | 宁波市甬深电器有限公司 | Forced full-premixing fuel gas combustion device enabling fuel gas to be completely combusted |
| WO2016131391A1 (en) * | 2015-02-16 | 2016-08-25 | 艾欧史密斯(中国)热水器有限公司 | Proportional valve body, proportional valve and manufacturing method for proportional valve body |
| US11415232B2 (en) | 2015-02-16 | 2022-08-16 | A. O. Smith Corporation | Manufacturing method for proportional valve body |
| CN104776314B (en) * | 2015-03-30 | 2016-09-07 | 河南航天液压气动技术有限公司 | A kind of air entraining valve group and air entraining valve group aerating unit and valve body thereof |
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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: 20131211 |