CN202152694U - Reducing valve - Google Patents
Reducing valve Download PDFInfo
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- CN202152694U CN202152694U CN2011202092974U CN201120209297U CN202152694U CN 202152694 U CN202152694 U CN 202152694U CN 2011202092974 U CN2011202092974 U CN 2011202092974U CN 201120209297 U CN201120209297 U CN 201120209297U CN 202152694 U CN202152694 U CN 202152694U
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Abstract
The utility model relates to a valve, in particular to a reducing valve which comprises a valve body, a gas inlet and a gas outlet connected with the valve body, a first stage of elastic membrane, a second stage of elastic membrane, a third stage of elastic membrane, a first valve cover, a second valve cover and a solenoid valve, wherein the valve body internally comprises a first stage of interlayer and a second stage of interlayer which divide the inner chamber of the valve body into a first stage of chamber, a second stage of chamber and a third stage of chamber. The reducing valve is added with the solenoid valve capable of controlling the on/off of a gas channel, changes the original structure that a pressure compensation mechanism is used for controlling the gas flow in the reducing valve, can close the gas channel at any time to stop gas inflow, and improves the controllability of gas output. Simultaneously, as an idling adjusting bolt is arranged, the speed of discharged gas can be adjusted, and control on the gas circulation is further facilitated.
Description
Technical field
The utility model relates to a kind of valve, especially a kind of reduction valve.
Background technique
Present most reduction valve all is through pressure compensation mechanism the gas output of reduction valve to be regulated; Pressure compensation mechanism need connect motor; Provide at motor under the situation of negative pressure and just can regulate, therefore, increased mounting hardness need more being provided with and debugging aspect the pressure adjusting of the connection of equipment and pressure compensation mechanism to the gas output of reduction valve inside; Simultaneously because the erecting device that relates to is many; Will guarantee that also vacuum lines seals fully, just need higher examination criteria, so the installation of this type of reduction valve and debugging are more loaded down with trivial details at the gas channel that connects between motor and the reduction valve.
The model utility content
For improving the problem that exists in the existing technology, the utility model proposes a kind of reduction valve, to simplify the installation and the debug process of reduction valve.
The reduction valve that the utility model proposes comprises: valve body, and gas access that is connected with valve body and gas outlet comprise in the valve body:
One-level interlayer and secondary interlayer are divided into one-level chamber, secondary chamber and three grades of chambeies with the inner chamber of valve body, and said one-level interlayer is provided with first gas channel that is communicated with one-level chamber and secondary chamber; Said secondary interlayer is provided with second gas channel that is communicated with secondary chamber and three grades of chambeies;
Be positioned at the one-level flexible sheet in one-level chamber, the one-level chamber is divided into one-level air chamber and one-level pressure regulating cavity;
Be arranged in the air inlet spool of one-level air chamber, and promote the first connecting rod mechanism that the air inlet spool is also controlled the suction port break-make that is communicated with the gas access;
The one-level elastic component that is located in the one-level pressure regulating cavity and the one-level flexible sheet is exerted pressure;
Be positioned at the secondary flexible sheet of secondary chamber, secondary chamber is divided into secondary gas chamber and secondary pressure regulating cavity 32;
Be arranged in the second connecting rod mechanism that is used to control the first gas channel break-make in secondary gas chamber;
The secondary elastic component that is arranged in the secondary pressure regulating cavity and the secondary flexible sheet is exerted pressure;
Be positioned at three grades of flexible sheets in three grades of chambeies, three grades of chambeies are divided into three grades of air chamber and three grades of pressure regulating cavities;
Be arranged in the third connecting rod mechanism that is used to control the second gas channel break-make of three grades of air chamber;
Be positioned at the outer solenoid valve of valve body, the electromagnetic valve core of solenoid valve gets under off-position and blocks said secondary gas passage, and under "on" position, withdraws from said secondary gas passage.
The reduction valve that the utility model provides; Increased can control gaseous passage break-make solenoid valve; Changed original structure, can close gas channel at any time and stop air inlet, increased the controllability of gas output with gas flow in the pressure compensation mechanism control reduction valve.Also be provided with idle adjusting screw simultaneously, can regulate, further facilitated control gas communication to the speed of discharging gas.
Said first connecting rod mechanism is divided into first driving lever that is connected with the one-level flexible sheet and is driven first follower lever of an end motion by first driving lever; The other end of first follower lever is rotationally connected with first stationary axle that is arranged on the said one-level air chamber inwall; Be used to back down the air inlet spool, be used to control the break-make of said suction port;
Said second connecting rod mechanism is divided into second driving lever that is connected with the secondary flexible sheet and is driven second follower lever of an end motion by second driving lever; Second follower lever is rotationally connected with second stationary axle that is arranged on the said secondary gas cavity wall; The other end of second follower lever is provided with first valve gap, is used to control the break-make of first gas channel;
Said third connecting rod mechanism is divided into the 3rd driving lever that is connected with three grades of flexible sheets and is driven the 3rd follower lever of an end motion by the 3rd driving lever; The 3rd follower lever is rotationally connected with the 3rd stationary axle that is arranged on said three grades of air chamber inwalls; The other end of the 3rd follower lever is provided with second valve gap, is used to control the break-make of second gas channel.
Further, the external solenoid valve of said valve body is provided with the electromagnetic valve core that under off-position, can penetrate and seal said secondary gas passage in the solenoid valve, and under "on" position, can open the secondary gas passage.
Further, said body wall is provided with idle adjusting screw, and an end penetrates said three grades of air chamber, and with the 3rd follower lever on cursor elasticity apical grafting, be used to promote the 3rd follower lever and rotate around the 3rd stationary axle.
Description of drawings
Be clear the utility model and the beneficial effect thereof described, in conjunction with following accompanying drawing to being described in detail of embodiment, wherein:
Fig. 1 is the valve body external structure schematic representation that the utility model embodiment provides;
Fig. 2 is the valve inner structural representation that the utility model embodiment provides;
Fig. 3 is the valve body one-level chamber internal structure partial schematic sectional view that the utility model embodiment provides;
Fig. 4 is the idling screw internal structure schematic representation that the utility model embodiment provides.
Embodiment
Describe the embodiment of the utility model below in detail, said embodiment's example is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment who is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; The orientation of indication such as term " top ", " bottom " " top ", " below " or position relation are for concerning based on orientation shown in the drawings or position; Only be for the ease of describing the utility model rather than requiring this practical information therefore can not be interpreted as restriction with specific azimuth configuration and operation to the utility model.
The utility model embodiment's reduction valve is described with reference to figure 1, Fig. 2, Fig. 3 below.
Like Fig. 1, shown in Figure 2, the utility model embodiment's reduction valve integral outer structure comprises: valve body 1, and the gas access 11 and the gas outlet 12 that are connected with valve body 1 comprise in the valve body 1:
One-level interlayer 13 and secondary interlayer 14 are divided into one-level chamber, secondary chamber and three grades of chambeies with the inner chamber of valve body 1, and one-level interlayer 13 is provided with first gas channel 51 that is communicated with one-level chamber and secondary chamber; Secondary interlayer 14 is provided with second gas channel 52 that is communicated with secondary chamber and three grades of chambeies;
Be positioned at the one-level flexible sheet 23 in one-level chamber, the one-level chamber is divided into one-level air chamber 21 and one-level pressure regulating cavity 22;
Be arranged in the air inlet spool 233 of one-level air chamber 21, and promote air inlet spool 233 and control the first connecting rod mechanism of suction port 111 break-makes; First connecting rod mechanism comprises: first driving lever 231 that is connected and first follower lever, 232, the first driving levers 231 connect one-level flexible sheet 23, the first follower levers 232 with first driving lever, 231 interlocks;
The one-level elastic component that is located in the one-level pressure regulating cavity and one-level flexible sheet 23 is exerted pressure;
Be positioned at the secondary flexible sheet 33 of secondary chamber, secondary chamber is divided into secondary gas chamber 31 and secondary pressure regulating cavity 32;
Be arranged in the second connecting rod mechanism that is used to control first gas channel, 51 break-makes in secondary gas chamber 31;
The secondary elastic component that is arranged in secondary pressure regulating cavity 32 and secondary flexible sheet 33 is exerted pressure;
Be positioned at three grades of flexible sheets 43 in three grades of chambeies, three grades of chambeies are divided into three grades of air chamber 41 and three grades of pressure regulating cavities 42;
Be arranged in the third connecting rod mechanism that is used to control second gas channel, 52 break-makes of three grades of air chamber 41;
Be positioned at the solenoid valve 6 outside the valve body 1, the electromagnetic valve core 61 of solenoid valve 6 gets under off-position and blocks said secondary gas passage 52, and under "on" position, withdraws from said secondary gas 52 passages.
Concrete, one-level interlayer 13 is divided into three chambers to valve body 1 inner chamber with secondary interlayer 14.The left side of one-level interlayer 13 is one-level chambeies, and the right side is the secondary interlayer 14 vertical with one-level interlayer 13, and secondary interlayer 14 is divided into two secondary chamber of arranging side by side and three grades of chambeies up and down to the chamber on one-level interlayer 13 right sides.
In the process of reduction valve work, when the equipment that connects outside the reduction valve needed depressed gas, solenoid valve 6 sucked electromagnetic valve core 61 in the solenoid valve 6 through the control of external equipment, opens second gas channel 52.The state of three chambers in the reduction valve is all to be communicated with at this moment.In the gas decompression process; At first gas gets into decompression in the one-level air chamber 21 through flow through suction port 111 of gas access 11; Get into decompression in the secondary gas chamber 31 along first gas channel 51 afterwards; Post-decompression gas gets into decompression in three grades of air chamber 41 along second gas channel 52 again, after accomplishing whole decompression processes, just can discharge reduction valve along gas outlet 12.
When the gas output in the reduction valve during less than air inflow; The gas pressure of inner three chambers of reduction valve can rise overally, when gas pressure arrives to a certain degree, at first; Three grades of flexible sheets 43 in three grades of chambeies can move down under the effect of pressure; And drive the 3rd driving lever 431 and move downward, the 3rd follower lever 432 makes second valve gap 433 cut out second gas channel 52 with its interlock simultaneously.Subsequently, the secondary flexible sheet 33 in the secondary gas chamber 31 can move upward under the effect of gas pressure, drives second driving lever 331 and second follower lever, 332 interlocks, makes first valve gap 333 that is arranged on second follower lever, 332 1 ends close first gas channel 51.Afterwards, the one-level flexible sheet 23 in the one-level air chamber 21 can be moved to the left under the effect of gas pressure, drives first driving lever 231 and first follower lever, 232 interlocks, backs down air inlet spool 233, thereby closes suction port 111.The no longer air inlet of reduction valve of this moment.
Gas in three grades of air chamber 41 is discharged; After pressure reduces; Second valve gap 433 can be opened by third connecting rod mechanism under the effect of three grades of flexible sheets 43, the gas in the secondary gas chamber 31 can enter in three grades of air chamber 41 thereupon, after the pressure in secondary gas chamber 31 reduces; First valve gap 333 can be opened by second connecting rod mechanism under the effect of secondary flexible sheet 33, allow the gas in the one-level air chamber 21 to enter into secondary gas chamber 31.Pressure in the one-level air chamber 21 of this moment reduce along with the outflow of gas, and first connecting rod mechanism can be along with the mobile disengaging air inlet spool 233 of one-level flexible sheet 23, thereby opens suction port 111 once more, realizes the air inlet decompression process of next round.
In the working procedure of reduction valve; When the equipment that connects outside the reduction valve does not need depressed gas; Can be through 6 outages of external equipment control electromagnetic valve; Electromagnetic valve core 61 can fall under the effect of gravity in second gas channel 52, and it is closed, and stops the gas in the secondary gas chamber 31 to get in three grades of air chamber 41.Equally, first valve gap 333 under the effect of gas pressure in the secondary gas chamber 31 can be closed, the air inlet spool 233 meetings sealing suction port 111 under the effect of first connecting rod mechanism in the one-level air chamber 21.When the outside equipment that connects of reduction valve needed post-decompression gas, solenoid valve 6 sucked electromagnetic valve core 61 under the control of external equipment, open second gas channel 52 once more.This process is identical with process among the above-mentioned model utility embodiment, repeats no more at this.
Like Fig. 2, shown in Figure 3, the utility model embodiment's linkage mechanism can be:
First connecting rod mechanism is divided into first driving lever 231 that is connected with one-level flexible sheet 23 and is driven first follower lever 232 of an end motion by first driving lever 231; The other end of first follower lever 323 is rotationally connected with first stationary axle 234 that is arranged on one-level air chamber 21 inwalls; Be used to back down air inlet spool 233, the break-make of control suction port 111;
Second connecting rod mechanism is divided into second driving lever 331 that is connected with secondary flexible sheet 33 and is driven second follower lever 332 of an end motion by second driving lever 331; Second follower lever 332 is rotationally connected with second stationary axle 334 that is arranged on 31 inwalls of secondary gas chamber; The other end of second follower lever 332 is provided with first valve gap 333, is used to control the break-make of first gas channel 51;
Third connecting rod mechanism is divided into the 3rd driving lever 431 that is connected with three grades of flexible sheets 43 and is driven the 3rd follower lever 432 of an end motion by the 3rd driving lever 431; The 3rd follower lever 432 is rotationally connected with the 3rd stationary axle 434 that is arranged on three grades of air chamber 41 inwalls; The other end of the 3rd follower lever 432 is provided with second valve gap 433, is used to control the break-make of second gas channel 52.
Concrete; Be provided with first stationary axle 234 on the sidewall in the one-level air chamber 21, first follower lever 232 and first stationary axle 234 of first connecting rod mechanism are rotationally connected, and under the drive of first driving lever 231, can rotate around first stationary axle 234; One end of first follower lever 232 is with first driving lever, 231 interlocks; The other end and air inlet spool 233 apical graftings can be controlled the break-make of suction port 111 under the effect of one-level flexible sheet 23, thereby stop extraneous gas to get in the valve body 1.
Be provided with second stationary axle 334 on the sidewall in secondary gas chamber 31; Second follower lever 332 and second stationary axle 334 of second connecting rod mechanism are rotationally connected; Under the effect of secondary flexible sheet 33; Drive first valve gap 333, can control the break-make of first gas channel 51, thereby stop the gas in the one-level air chamber 21 to get into.
Be provided with the 3rd stationary axle 434 on the sidewall in three grades of air chamber 41; The 3rd follower lever 432 and the 3rd stationary axle 434 of third connecting rod mechanism are rotationally connected; Under the effect of three grades of flexible sheets 43, drive second valve gap 433; Can control the break-make of second gas channel 52, thereby stop the gas in the secondary gas chamber 31 to get into.
With linkage mechanism air inlet spool 233 or gas channel are opened or closed among the utility model embodiment; Structure for realizing this type of function also has other kinds; So long as can realize air inlet spool 233 or gas channel is opened or the structure of closing function can; Therefore the common practise that belongs to those skilled in the art repeats no more at this.
In the utility model embodiment, elastic component can be: the one-level elastic component is an one-level pressure adjusting spring 221, and the secondary elastic component is a secondary pressure adjusting spring 321.Can also be the elastic material of other type, can be so long as flexible sheet is played the elastic material of elastic force effect as the elastic component among the utility model embodiment.
In order better to realize the effect of giving vent to anger of reduction valve; A kind of device that is used to control gas admission velocity in three grades of air chamber 41 is provided among the utility model embodiment; As shown in Figure 4, valve body 1 sidewall is provided with idle adjusting screw 7, one ends and penetrates said three grades of air chamber 41; And with the 3rd follower lever 432 on cursor 4321 elasticity apical graftings, be used to promote the 3rd follower lever 432 and rotate around the 3rd stationary axle 434.
Concrete, cursor 4321 is connected on the 3rd follower lever 432, and an end also articulates with the 3rd stationary axle 434.Idle adjusting screw 7 penetrates from valve body 1 sidewall, penetrates end external and connects spring 71, connects the other end of spring 71 and the other end apical grafting of cursor 4321.When idle adjusting screw 7 is regulated; Rotate idle adjusting screw 7; It is moved in valve body 1, and at this moment, the external spring 71 that idle adjusting screw 7 penetrates end also can move in valve body 1; Because therefore the other end apical grafting of external spring 71 and cursor 4321 applies external force to cursor 4321 under the effect of external spring 71 elastic force.Cursor 4321 is fixedly connected with the 3rd follower lever 43, and all articulates with the 3rd stationary axle 434, therefore drives the 3rd follower lever 432 and rotates around the 3rd stationary axle 434, when second valve gap 433 touches the passway of second gas channel 52, stops.Because second valve gap 433 rigidly connects when contacting second gas channel 52 not can the complete closed passway; Therefore will reduce the gas flow that second gas channel 52 flows in three grades of air chamber 41; The benefit of this kind design is; Can slow down the gas admission velocity in three grades of air chamber 41, purpose is to be convenient to the speed that adjustments of gas is discharged three grades of air chamber 41, reduces gas flow.
The reduction valve that the utility model provides; Increased can control gaseous passage break-make solenoid valve; Changed original structure, can close gas channel at any time and stop air inlet, increased the controllability of gas output with gas flow in the pressure compensation mechanism control reduction valve.Also be provided with idle adjusting screw simultaneously, can regulate, further facilitated control gas communication to the speed of discharging gas.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim; Can carry out multiple variation, modification, replacement and modification to these embodiments, the scope of the utility model is limited claim and equivalent thereof.
Claims (6)
1. reduction valve comprises: valve body (1), and gas access (11) that is connected with valve body (1) and gas outlet (12) is characterized in that: valve body comprises in (1):
One-level interlayer (13) and secondary interlayer (14) are divided into one-level chamber, secondary chamber and three grades of chambeies with the inner chamber of valve body (1), and said one-level interlayer (13) is provided with first gas channel (51) that is communicated with one-level chamber and secondary chamber; Said secondary interlayer (14) is provided with second gas channel (52) that is communicated with secondary chamber and three grades of chambeies;
Be positioned at the one-level flexible sheet (23) in one-level chamber, the one-level chamber is divided into one-level air chamber (21) and one-level pressure regulating cavity (22);
Be arranged in the air inlet spool of one-level air chamber (21), and promote the first connecting rod mechanism that the air inlet spool is also controlled the suction port break-make that is communicated with the gas access;
The one-level elastic component that is located in the one-level pressure regulating cavity (22) and one-level flexible sheet (23) is exerted pressure;
Be positioned at the secondary flexible sheet (33) of secondary chamber, secondary chamber is divided into secondary gas chamber (31) and secondary pressure regulating cavity (32);
Be arranged in the second connecting rod mechanism that is used to control first gas channel (51) break-make in secondary gas chamber (31);
The secondary elastic component that is arranged in secondary pressure regulating cavity (32) and secondary flexible sheet (33) is exerted pressure;
Be positioned at three grades of flexible sheets in three grades of chambeies, three grades of chambeies are divided into three grades of air chamber and three grades of pressure regulating cavities;
Be arranged in the third connecting rod mechanism that is used to control second gas channel (52) break-make of three grades of air chamber (41);
Be positioned at the outer solenoid valve (6) of valve body (1), the electromagnetic valve core (61) of solenoid valve (6) gets under off-position and blocks said secondary gas passage (52), and under "on" position, withdraws from said secondary gas (52) passage.
2. reduction valve according to claim 1; It is characterized in that; Said first connecting rod mechanism is divided into first driving lever (231) that is connected with one-level flexible sheet (23) and is driven first follower lever (232) of an end motion by first driving lever (231); The other end of first follower lever (232) is rotationally connected with first stationary axle (234) that is arranged on said one-level air chamber (21) inwall, is used to back down air inlet spool (233), controls the break-make of said suction port (111).
3. reduction valve according to claim 1; It is characterized in that; Said second connecting rod mechanism is divided into second driving lever (331) that is connected with secondary flexible sheet (33) and is driven second follower lever (332) of an end motion by second driving lever (331); Second follower lever (332) is rotationally connected with second stationary axle (334) that is arranged on the inwall of said secondary gas chamber (31), and the other end of second follower lever (332) is provided with first valve gap (333), is used to control the break-make of first gas channel (51).
4. reduction valve according to claim 1; It is characterized in that; Said third connecting rod mechanism is divided into the 3rd driving lever (431) that is connected with three grades of flexible sheets (43) and is driven the 3rd follower lever (432) of an end motion by the 3rd driving lever (431); The 3rd follower lever (432) is rotationally connected with the 3rd stationary axle (434) that is arranged on said three grades of air chamber (41) inwall, and the other end of the 3rd follower lever (432) is provided with second valve gap (433), is used to control the break-make of second gas channel (52).
5. like the arbitrary described reduction valve of claim 1～4, it is characterized in that said one-level elastic component is one-level pressure adjusting spring (221), said secondary elastic component is secondary pressure adjusting spring (321).
6. like the said reduction valve of claim 5; It is characterized in that; Said valve body 1 sidewall is provided with idle adjusting screw (7); One end penetrates said three grades of air chamber (41), and with the 3rd follower lever (432) on cursor (4321) elasticity apical grafting, be used to promote the 3rd follower lever (432) and rotate around the 3rd stationary axle (434).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202092974U CN202152694U (en) | 2011-06-20 | 2011-06-20 | Reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202092974U CN202152694U (en) | 2011-06-20 | 2011-06-20 | Reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152694U true CN202152694U (en) | 2012-02-29 |
Family
ID=45693193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202092974U Expired - Fee Related CN202152694U (en) | 2011-06-20 | 2011-06-20 | Reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152694U (en) |
-
2011
- 2011-06-20 CN CN2011202092974U patent/CN202152694U/en not_active Expired - Fee Related
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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: 20120229 Termination date: 20160620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |