CN204153268U - A kind of Returnning spring compensation device of gas ratio valve - Google Patents
A kind of Returnning spring compensation device of gas ratio valve Download PDFInfo
- Publication number
- CN204153268U CN204153268U CN201420547938.0U CN201420547938U CN204153268U CN 204153268 U CN204153268 U CN 204153268U CN 201420547938 U CN201420547938 U CN 201420547938U CN 204153268 U CN204153268 U CN 204153268U
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- compensation device
- valve
- spring
- seat
- returnning spring
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Abstract
The utility model provides a kind of Returnning spring compensation device of gas ratio valve, belong to gas proportion regulating valve technical field, solve the valve sealing force consistency problem of Returnning spring, it is characterized in that: described Returnning spring one end is connected on described ball valve shutoff end, on the other end compensating mechanism for connection, described compensation device is Split type structure, be made up of spring seat and sealing nut, described compensation device is positioned at the neutral position of described back shroud, described cover plate stretches out and forms the shell of described compensation device, the thread spindle of described spring seat is fixed on the shell of described compensation device, described thread spindle one end extends to form Returnning spring fixed base inside described back shroud, spring seat screw socket is provided with in the middle of the other end of described thread spindle.The utility model device presses the accurate adjustment of high-end flow parameter value (P2H value) after achieving Proportional valve, structure is simple and be easy to realize.
Description
Technical field
The utility model belongs to gas proportion regulating valve technical field, especially a kind of Returnning spring compensation device of gas ratio valve.
Background technique
Very high to the parameter request of Returnning spring in existing gas ratio valve, the rotation direction, number of total coils, weight etc. of such as spring have strict requirement.In use usually can be divided into various different parameter at spring to deposit, the later stage is facilitated to be assembled on the gas ratio valve of corresponding Returnning spring parameter, the situation that even if the valve sealing force of Returnning spring so also usually can be occurred not reach standard and scrap, first existing assembling gas ratio valve product, after bug check finds Proportional valve, press high-end flow parameter value (P2H value) parameter error too large, just cannot carry out debugging change, new Returnning spring can only be ressembled, cause the low of efficiency of assembling, conforming product rate is low; And, inevitable error is all there is in the production of Returnning spring, press high-end flow parameter value (P2H value) that fluctuation will be occurred after the Proportional valve of the gas ratio valve assembled out, and fluctuating range is irregular, finally make the conformity of gas ratio valve product poor, and the parameters of each Returnning spring is made unanimously, obviously unrealistic.
Model utility content
The purpose of this utility model is the problems referred to above existed for existing technology, provide a kind of Returnning spring compensation device of gas ratio valve, the utility model solves the valve sealing force consistency problem of Returnning spring, press the accurate adjustment of high-end flow parameter value (P2H value) after achieving Proportional valve, structure is simple and be easy to realize.
For this reason, the technical solution that the utility model is taked is:
A kind of Returnning spring compensation device of gas ratio valve, comprise back shroud, Returnning spring, Proportional valve valve seat, combustion gas gas circuit, tape spool ball valve, Proportional valve spring, end cap, solenoid component, described solenoid component is fixed on described end cap, described end cap is fixed on described Proportional valve valve seat, the other end being fixed on described Proportional valve valve seat is described back shroud, described back shroud and described end cap and described Proportional valve valve seat joint is all provided with end bracket enclosed and back shroud seals, described Proportional valve valve seat is provided with described combustion gas gas circuit, suction port and air outlet are arranged on the respective side of described Proportional valve valve seat, described tape spool ball valve is provided with in described combustion gas gas circuit, described tape spool ball valve two ends are respectively ball valve seat and ball valve shutoff end, described ball valve seat is provided with permanent magnet, described ball valve seat and described ball valve shutoff end joint are provided with epithelium, the seal ring of described epithelium and end bracket enclosed is formed in one, described Proportional valve spring be connected to described end cap and and described ball valve seat between, described Returnning spring one end is connected on described ball valve shutoff end, on the other end compensating mechanism for connection, described compensation device is Split type structure, be made up of spring seat and sealing nut, described compensation device is positioned at the neutral position of described back shroud, described cover plate stretches out and forms the shell of described compensation device, the thread spindle of described spring seat is fixed on the shell of described compensation device, described thread spindle one end extends to form Returnning spring fixed base inside described back shroud, spring seat screw socket is provided with in the middle of the other end of described thread spindle.
Further, described compensation device shell and be provided with seal ring between described spring seat and described nut.
Further, described Returnning spring fixed base is provided with annular flange flange.
Further, described spring seat is provided with spring seat chamber, described spring seat chamber is double-cylinder structure, first cylinder is arranged in described annular flange flange, second cylinder is arranged on described thread spindle, described first body diameter is greater than described second body diameter, and the wall thickness of described spring seat chamber is equal.
Further, described sealing nut end face outside central authorities are provided with sealing screw socket.
Further, described spring seat screw socket and described sealing screw socket are positioned on same axis.
Further, described back shroud and described compensation device joint are boss.
The beneficial effect of technique scheme is:
(1) the utility model is provided with spring seat on back shroud, Returnning spring pressing size can be regulated by Regulation spring seat, regulate the valve sealing force of Returnning spring, the accurate adjustment of high-end flow parameter value (P2H value) is pressed after realizing Proportional valve, the Returnning spring of different parameters can be used, reduce the requirement of the pressing size to Returnning spring, improve efficiency of assembling, reduce the coherence request to Returnning spring, press high-end flow parameter value (P2H value) more accurate after making Proportional valve, gas ratio valve homogeneity of product is higher simultaneously;
(2) Returnning spring compensation device of the present utility model adopts Split type structure, and spring seat is for regulating Returnning spring pressing size, and sealing nut is used for the secondary seal to spring seat sealing, and structure is simple, improves sealing reliability, is easy to realize;
(3) the utility model is provided with spring seat chamber on spring seat, and the wall thickness of spring seat chamber is equal, and the weight of gas ratio valve can be made to reduce, simultaneously conveniently stripped;
(4) spring seat screw socket of the present utility model and sealing screw socket are positioned on same axis, occur discontinuity, cause secondary leakage and bad seals when avoiding tightening;
(5) back shroud of the present utility model and compensation device joint are boss, need not increase the size of Proportional valve valve seat, just conveniently can change the debugging distance of spring seat, limit spring seat position simultaneously, and structure is simple and be easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Returnning spring compensation device of gas ratio valve of the present utility model.
Fig. 2 is the exploded view of the Returnning spring compensation device of gas ratio valve of the present utility model.
In figure: 1, compensation device; 2, back shroud; 3, Returnning spring; 4, Proportional valve valve seat; 5, combustion gas gas circuit; 6, tape spool ball valve; 7, Proportional valve spring; 8, end cap; 9, solenoid component; 101, spring seat chamber; 102, annular flange flange; 103, Returnning spring fixed base; 104, thread spindle; 105, spring seat; 106, spring seat screw socket; 107, seal ring; 108, sealing nut; 109, screw socket is sealed; 401, end bracket enclosed; 402, back shroud sealing; 501, suction port; 502, air outlet; 601, permanent magnet; 602, ball valve seat; 603, epithelium; 604, ball valve shutoff end.
Embodiment
For making feature of the present utility model and advantage clearly, be described below in conjunction with specific embodiment.
As depicted in figs. 1 and 2, a kind of Returnning spring compensation device of gas ratio valve, comprise back shroud 2, Returnning spring 3, Proportional valve valve seat 4, combustion gas gas circuit 5, tape spool ball valve 6, Proportional valve spring 7, end cap 8, solenoid component 9, described solenoid component 9 is fixed on described end cap 8, described end cap 8 is fixed on described Proportional valve valve seat 4, the other end being fixed on described Proportional valve valve seat 4 is described back shroud 2, described back shroud 2 and described end cap 8 are all provided with end bracket enclosed 401 with described Proportional valve valve seat 4 joint and back shroud seals 402, described Proportional valve valve seat 4 is provided with described combustion gas gas circuit 5, suction port 501 and air outlet 502 are arranged on the respective side of described Proportional valve valve seat 4, described tape spool ball valve 6 is provided with in described combustion gas gas circuit 5, described tape spool ball valve 6 two ends are respectively ball valve seat 602 and ball valve shutoff end 604, described ball valve seat 602 is provided with permanent magnet 601, described ball valve seat 602 and described ball valve shutoff end 604 joint are provided with epithelium 604, described epithelium 604 is formed in one with the seal ring of end bracket enclosed 401, described Proportional valve spring 7 be connected to described end cap 8 and and described ball valve seat 602 between, described Returnning spring 3 one end is connected on described ball valve shutoff end 604, on the other end compensating mechanism for connection 1, described compensation device 1 is Split type structure, be made up of spring seat 105 and sealing nut 108, described compensation device 1 is positioned at the neutral position of described back shroud 2, described cover plate 2 stretches out and forms the shell of described compensation device 1, the thread spindle 104 of described spring seat 105 is fixed on the shell of described compensation device 1, described thread spindle 104 one end extends to form Returnning spring fixed base 103 inside described back shroud 2, spring seat screw socket 106 is provided with in the middle of the other end of described thread spindle 104.
In the present embodiment, the shell of described compensation device 1 and be provided with seal ring 107 between described spring seat 105 and described nut 108, solves the sealing problem of the existence that compensation device 1 connects, prevents the leakage of combustion gas.
In the present embodiment, described Returnning spring fixed base 103 is provided with annular flange flange 102, for better fixed reset spring 3, reduces the installation difficulty of Returnning spring 3.
In the present embodiment, described spring seat 105 is provided with spring seat chamber 101, described spring seat chamber 101 is double-cylinder structure, first cylinder is arranged in described annular flange flange 102, second cylinder is arranged on described thread spindle 104, and described first body diameter is greater than described second body diameter, and the wall thickness of described spring seat chamber 101 is equal, the weight of gas ratio valve can be made to reduce, simultaneously conveniently stripped.
In the present embodiment, described sealing nut 108 end face outside central authorities are provided with sealing screw socket 109, for tightening sealing nut 108, Packing spring seat 105, when pressing high-end flow parameter value (P2H value) parameter error too large after discovery Proportional valve, the position of sealing nut 108 by spring seat screw socket 106 Regulation spring seat 105 can be taken off.
In the present embodiment, described spring seat screw socket 106 and described sealing screw socket 109 are positioned on same axis, occur discontinuity, cause secondary leakage and bad seals when avoiding tightening.
In the present embodiment, described back shroud 2 is boss with described compensation device 1 joint, need not increase the size of Proportional valve valve seat 4, just conveniently can change the debugging distance of spring seat 105, limits spring seat 105 position simultaneously.
Solution principle: by Regulation spring seat thus adjustment Returnning spring pressing size, change the valve sealing force of Returnning spring, press the object of high-end flow parameter value (P2H value) parameter after playing resize ratio valve, realization precisely regulates.
During use, be fixed on by Proportional valve spring 7 on end cap 8 and tape spool ball valve 6, end cap 8 is arranged on Proportional valve valve seat 4, fixed reset spring 3 is on tape spool ball valve 6 and spring seat 105, spring seat 105 is screwed in the shell of compensation device 1, fixes back shroud 2, then hookup wire pack assembly 9; Press high-end flow parameter value (P2H value) parameter on detection means after detection ratio valve, meet the requirements, load onto sealing nut 108; Undesirable, with screw-driver Regulation spring seat 105, press high-end flow parameter value (P2H value) parameter to meet the requirements after making its Proportional valve, then install sealing nut 108.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in protection domain of the present utility model.
Claims (7)
1. the Returnning spring compensation device of a gas ratio valve, comprise back shroud, Returnning spring, Proportional valve valve seat, combustion gas gas circuit, tape spool ball valve, Proportional valve spring, end cap, solenoid component, described solenoid component is fixed on described end cap, described end cap is fixed on described Proportional valve valve seat, the other end being fixed on described Proportional valve valve seat is described back shroud, described back shroud and described end cap and described Proportional valve valve seat joint is all provided with end bracket enclosed and back shroud seals, described Proportional valve valve seat is provided with described combustion gas gas circuit, suction port and air outlet are arranged on the respective side of described Proportional valve valve seat, described tape spool ball valve is provided with in described combustion gas gas circuit, described tape spool ball valve two ends are respectively ball valve seat and ball valve shutoff end, described ball valve seat is provided with permanent magnet, described ball valve seat and described ball valve shutoff end joint are provided with epithelium, the seal ring of described epithelium and end bracket enclosed is formed in one, described Proportional valve spring be connected to described end cap and and described ball valve seat between, it is characterized in that: described Returnning spring one end is connected on described ball valve shutoff end, on the other end compensating mechanism for connection, described compensation device is Split type structure, be made up of spring seat and sealing nut, described compensation device is positioned at the neutral position of described back shroud, described cover plate stretches out and forms the shell of described compensation device, the thread spindle of described spring seat is fixed on the shell of described compensation device, described thread spindle one end extends to form Returnning spring fixed base inside described back shroud, spring seat screw socket is provided with in the middle of the other end of described thread spindle.
2. the Returnning spring compensation device of gas ratio valve according to claim 1, is characterized in that: the shell of described compensation device and be provided with seal ring between described spring seat and described nut.
3. the Returnning spring compensation device of gas ratio valve according to claim 1, is characterized in that: described Returnning spring fixed base is provided with annular flange flange.
4. the Returnning spring compensation device of gas ratio valve according to claim 3, it is characterized in that: described spring seat is provided with spring seat chamber, described spring seat chamber is double-cylinder structure, first cylinder is arranged in described annular flange flange, second cylinder is arranged on described thread spindle, described first body diameter is greater than described second body diameter, and the wall thickness of described spring seat chamber is equal.
5. the Returnning spring compensation device of gas ratio valve according to claim 1, is characterized in that: described sealing nut end face outside central authorities are provided with sealing screw socket.
6. the Returnning spring compensation device of gas ratio valve according to claim 1 or 5, is characterized in that: described spring seat screw socket and described sealing screw socket are positioned on same axis.
7. the Returnning spring compensation device of gas ratio valve according to claim 1, is characterized in that: described back shroud and described compensation device joint are boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547938.0U CN204153268U (en) | 2014-09-23 | 2014-09-23 | A kind of Returnning spring compensation device of gas ratio valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547938.0U CN204153268U (en) | 2014-09-23 | 2014-09-23 | A kind of Returnning spring compensation device of gas ratio valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204153268U true CN204153268U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547938.0U Expired - Fee Related CN204153268U (en) | 2014-09-23 | 2014-09-23 | A kind of Returnning spring compensation device of gas ratio valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204153268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238491A (en) * | 2017-06-29 | 2017-10-10 | 四川省雅安市航仪电器科技开发有限公司 | A kind of automatic debugger of proportioning valve and automatic adjustment method |
-
2014
- 2014-09-23 CN CN201420547938.0U patent/CN204153268U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238491A (en) * | 2017-06-29 | 2017-10-10 | 四川省雅安市航仪电器科技开发有限公司 | A kind of automatic debugger of proportioning valve and automatic adjustment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20200923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |