CN203809758U - Multifunctional valve - Google Patents
Multifunctional valve Download PDFInfo
- Publication number
- CN203809758U CN203809758U CN201420053156.1U CN201420053156U CN203809758U CN 203809758 U CN203809758 U CN 203809758U CN 201420053156 U CN201420053156 U CN 201420053156U CN 203809758 U CN203809758 U CN 203809758U
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- Prior art keywords
- hole
- valve
- gas
- spool
- compression chamber
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Abstract
The utility model provides a multifunctional valve which comprises a valve body and a valve core. The valve body comprises a barrel-shaped body and a first sealing cap arranged at one end of the valve body. The valve body is provided with a first through hole and a third through hole. The valve core is arranged in the barrel-shaped body and can perform piston motion in the barrel-shaped body. The barrel-shaped body, the first sealing cap and the valve core jointly form a first airtight space. The first airtight space is provided with a fourth through hole communicated with the outside. The valve core is provided with a plugging portion. The first through hole and the third through hole are communicated when the valve is opened. By adopting the design, when the gas usage amount of a gas burning appliance is decreased, the gas supply amount can be effectively deceased, the total gas amount discharged into the gas burning end can be decreased, and the operation energy loss can be reduced.
Description
Technical field
The utility model relates to equipment gas transmission field, is specifically related to a kind of valve technology.
Background technique
Traditional inlet poppet valves directly utilizes the gas pressure of compression chamber outlet side to drive spool to close suction port, in the air-casing that drives spool to move, be provided with suction port and relief opening, in initial start stage, spool can be compressed chamber suction function power, can cause starting current excessive if just open valve at the starting initial stage, damage motor and control apparatus, therefore in the air-casing that drives spool to move, be connected with an admission line of controlling gas, the pressure of controlling gas must be greater than the suction that suction end negative pressure produces, and could drive spool to close suction valve.So must form certain pressure difference in compression chamber outlet side and compression chamber suction end, if the air outlet diameter design in pneumatic cover is excessive, can cause compression chamber outlet side and compression chamber suction end cannot build-up pressure poor, cause driving spool to close suction valve, so that the air outlet of air-casing can not be designed is too large.In the time that gas consumption reduces, pressure raises gradually, and the gas sucking in does not reduce, even or reduced, be allly sucked into the gas coming and maintain a higher pressure state after still can be compressed and enter and use gas end, cause use gas end pressure more and more higher.Common working method is: first pressure is compressed to higher pressure, and then slowly releases, when being down to after certain pressure, again pressurized gas makes it reach elevated pressures again, release, add/unload phenomenon, (the compressed pressure of gas is higher, the electric energy of required consumption is also just higher), reduce at gas consumption, while not reaching the elevated pressures of setting, drive unit load does not have reduction, can not realize weighing apparatus pressure-controlled, the mode that improves pressure has increased the increase of power consumption cost.The function singleness of suction valve own, complex structure, constituent elements is many, and rate of fault is high, and maintenance cost is high, and manufacture cost increases, and waste is serious.
Model utility content
The purpose of this utility model is to provide a kind of multifunction valve, solves one or more in above-mentioned prior art problem.
According to an aspect of the present utility model, the multifunction valve providing, comprises valve body and spool; Valve body comprises cylinder and is arranged on first capping of valve body one end; Valve body offers the first through hole and third through-hole; In cylinder, be provided with spool, spool can do piston movement in cylinder; The common formation of cylinder, the first capping and spool the first confined space; The first confined space is provided with the fourth hole being in communication with the outside; Spool is provided with closure part; The first through hole and third through-hole in the time of valve open in connected state.Use the design in suction device when gas transmission, in the starting stage of equipment operation, coordinate electric switch to use, electric switch gives an order and cuts out the valve of giving vent to anger of the first confined space outlet side, open the second valve that compression chamber outlet side enters the first confined space, control the pressure-driven spool of gas and close suction valve.The gas of coming in from fifth hole makes can set up initial operating pressure in compression chamber, and the gas of compression chamber outlet side is got back to compression chamber suction end through the second through hole and circulated.Proceeding to after normal operating condition, electric switch gives an order and cuts out the second valve, opens the first valve of the first confined space simultaneously, and the gas in the first confined space is released by the first valve, the air inlet that is opened of the first through hole, and compressor enters the full running state of carrying.In the time that the gas consumption of gas equipment reduces, the outlet side pressure of compression chamber raises gradually, in the time reaching the pressure of electric switch setting, electric switch gives an order and opens two valves, the gas of outlet side, Partial shrinkage chamber can enter by the second valve the suction side of compression chamber through the first valve, compression circulates.By this design, in actual use, can according to actual gas consumption select different-diameter pipeline and the first valve of different-diameter, can effectively reduce the gas gross entering with gas end, realize the conversion between different gas production.By install flow control valve additional in the connecting tube of compression chamber outlet side and the first confined space, can realize more accurate auto-control, the whole process implementation gas equilibrium of supply and demand, can carry out constant voltage control to exhaust, has reduced energy consumption.
In some embodiments, cylinder is provided with second through hole that can be communicated with third through-hole in the time that the first through hole is closed, and described spool is provided with the interconnecting part that can make the second through hole and third through-hole be communicated with in the time of valve closing.The second through hole uses in conjunction with pressure regulator, can utilize pressure regulator to allow the first through hole close gradually to the fine setting realization of controlling gas tolerance, closing gradually in the process of the first through hole, open gradually the second through hole, the gas that leads to the second through hole from compression chamber outlet side has also been implemented the process of capacity regulating, by this design, make gas production and demand realize balance, reach the object of energy efficient.
In some embodiments, fourth hole outlet side is provided with the first valve; In the pipeline that the first confined space is connected with compression chamber outlet side, be provided with the second valve; This design is in the time of unloading, being connected of suction side by the first valve closing fourth hole and suction valve outlet side or compressor, make the negative pressure of the outlet side of suction valve or the suction end of compression chamber not produce driving force to spool, the control gas that enters the first confined space from compression chamber outlet side can just can make intake valve close close with few flow and pressure.The blocking effect that also can utilize the first valve simultaneously, what fourth hole aperture was established is larger; By this design, in actual using process, in conjunction with on-the-spot actual conditions, pipeline and second valve that compression chamber outlet side can be connected with the first confined space are set to different-diameter as required, realize compressor and regulate variation between two or more different air displacemenies.
In some embodiments, the first confined space has been connected with flow control valve.In the time that gas consumption reduces, the flow control valve gas that just compression chamber outlet side exceedes certain pressure draws the suction side of getting back to compression chamber by the first valve through fourth hole, circular flow state in forming, in the scope that the outlet side pressure that can keep compression chamber by this design is set in flow control valve, control more accurately, energy-saving effect is better.
In some embodiments, the first through hole is located in cylinder.
In some embodiments, cylinder is provided with positioning step away from one end of the first capping, this design can make spool rest in cylinder can not skid off outside cylinder, prop up after positioning step at spool, can utilize the close contact of step and spool to close the first through hole, make the second through hole realize and being communicated with third through-hole simultaneously, make spool be unlikely to slip over head.It should be noted that, positioning step can have numerous embodiments: can be positioning rod, can be also step, be not restricted herein, as long as can limit spool move forward prevent from slipping over head.
In some embodiments, interconnecting part is the second groove being arranged circumferentially on spool.This design, the space that air feed stream passes through is larger.
Brief description of the drawings
Fig. 1 is the generalized section of the first mode of execution open mode of the present utility model;
Fig. 2 is the generalized section of the first mode of execution open mode of the present utility model;
Fig. 3 is the generalized section of the second mode of execution closed condition of the present utility model;
Fig. 4 is the generalized section of the second mode of execution closed condition of the present utility model.；
Fig. 5 is the generalized section of the second mode of execution open mode of the present utility model;
Fig. 6 is the generalized section of the third mode of execution open mode of the present utility model;
Fig. 7 is the generalized section of the third mode of execution open mode of the present utility model;
Fig. 8 is the generalized section of the 4th kind of mode of execution open mode of the present utility model
Fig. 9 is the generalized section of the 5 kind of mode of execution open mode of the present utility model;
Figure 10 is the generalized section of the 5 kind of mode of execution open mode of the present utility model;
Figure 11 is the plan view of a kind of mode of execution of spool of the present utility model;
Figure 12 is the generalized section of the second mode of execution closed condition of the present utility model;
Figure 13 is the generalized section of the 2nd kind of mode of execution closed condition of the present utility model;
Figure 14 is the generalized section of the 1st kind of mode of execution open mode of the present utility model;
Figure 15 is the generalized section of the 1st kind of mode of execution open mode of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in more detail.
As shown in Figure 1, the multifunction valve that the utility model provides, comprises valve body 10 and spool 20.Wherein, valve body 10 comprises cylinder 11 and the first capping 12; In cylinder, offer the first through hole 111 and third through-hole 113; Cylinder 11, the first capping 12 and spool 20 common formation the first confined spaces 101; The first confined space 101 is provided with the fourth hole 116 being in communication with the outside; On closure part 212, offer the fifth hole 30 that can partly be communicated with third through-hole 113.Wherein, one end of cylinder 11 is fixed in the first capping 12 by welding, bolt screw-in or integrated mode; Fourth hole 116 is positioned at cylinder 11 one end near the first capping 12, fourth hole 116 can have numerous embodiments: can be as shown in Figure 1: be opened in the first capping 12, and also can be as shown in Figure 2: be opened in cylinder 11 one end near the first capping 12.The first through hole 111 is connected with external air source, and in valve open, the first through hole 111 and third through-hole 113 are connected; External air source can enter from the first through hole 111 suction side of compression chamber through third through-hole 113; Need to stress: the first through hole 111 can have multiple set-up mode: both can be located at as shown in Figures 1 to 4 cylinder 11 one end away from the first capping 12, also can be as shown in Figure 11-Figure 5, be arranged in the first cylinder 11, be not restricted, as long as can be connected with third through-hole 113 in the time of valve open herein.
As shown in Figure 4: in cylinder 11, be also provided with the second through hole 112, second inlet end of through hole 112 and the outlet side of compression chamber are connected, second inlet end of through hole 112 and the outlet side of compression chamber are connected, and in the time that the first through hole 111 is closed, the second through hole 112 can be connected with third through-hole 113.
Cylinder 11 is built-in with spool 20, and spool 20 can do piston movement in described cylinder 11.On spool 20, have the interconnecting part that can in the time that the first through hole 111 is closed, the second through hole 112 and third through-hole 113 are communicated with; It should be noted that, said interconnecting part can have multiple set-up mode here, such as: can be the second groove 211 that hoop is offered on spool 20 as shown in Figure 4; It can also be the 3rd groove 213 of radially offering on spool 20 as shown in figure 12 etc.
As shown in Figure 5, cylinder 11 is provided with positioning step 13 away from one end of the first capping 12, this design can make spool 20 rest in cylinder 11 can not skid off outside cylinder 11, prop up after positioning step 13 at spool 20, closure part 212 shutoff first through holes 111 of spool 20 make the position of the second through hole 112 in being communicated with third through-hole 113 simultaneously.
As shown in Figure 6: cylinder 11 is provided with the second capping 14 away from one end of the first capping 12, cylinder 11 is provided with the 6th inlet hole 141 near one end of the second capping 14.Arrange the second capping 14 can avoid dust in external environment condition to spool 20 and cylinder inwall exert an influence, protection spool; When the 6th inlet hole 141 can avoid spool 20 to move to the second capping 14 directions, the gas between the second capping 14 and spool 20 hinders spool 20 and moves.The 6th inlet hole 141 also can, as controlling gas import, in the time that needs are opened valve, coordinate electric switch to use simultaneously, controls gas and enters in valve body by the 6th inlet hole 141, promotes spool 20 and moves to the first capping 12 directions, and the first through hole 111 is opened; In the time that needs are closed suction valve, control gas in the 4th inlet hole 116 enters the first confined space 101, promote spool 20 and move to the second capping 14 directions, close the first through hole 111.It should be noted that: the 6th inlet hole 141 both can be as shown in Figure 6: be located in the second capping 14, also can be as shown in Figure 7, be opened in cylinder 11.
The outlet side of fourth hole 116 is provided with the first valve 70, controlled the break-make of fourth hole 116 outlet sides by the first valve 70, need to stress: the first valve 70 can have multiple set-up mode: can be both the pneumatic valve by electromagnetic valve, also can be the valve being driven by motor gear, can also be as shown in Figure 8: be made as solenoid valve 70, be not restricted, as long as can pilot line break-make herein.
As shown in Figure 8, on the chamber wall of the first confined space 101, have the tenth through hole 118, in the first confined space 101 outsides, be connected with flow control valve 60 by the first pipeline 61.It should be noted that: flow control valve 60 can have numerous embodiments: can be that inverse proportion valve and valve combine the function that realizes appearance tune, can be also to regulate by pressure signal the Flow valve of controlling.The mode of execution of flow control valve 60 is not limit, as long as carrying out pressure and uninterrupted adjusting and control in the time discharging exceeding the gas of certain pressure.
Need illustrate: the tenth through hole 118 can have multiple set-up mode: both can be located at as shown in figure 10 cylinder 11 one end near the first capping 12, also can be as shown in Figure 9, be arranged in the first capping 12, be not restricted herein.
What need to stress is, in actual use, the first through hole 111 connects external air source, the second through hole 112 is connected with the pipeline at output of compression chamber, third through-hole 113 connects the suction side of compressor, and the tenth through hole 118 is connected with the pipeline of the compression chamber outlet side of suction device by flow control valve 60.
As shown in Figure 12,13, cylinder 11 is provided with positioning step 13 away from one end of the first capping 12, this design can make spool 20 rest in cylinder can not skid off outside cylinder 11, prop up after positioning step 13 at spool 20, can close the first through hole 111, make the second through hole 112 realize and being communicated with third through-hole 113 simultaneously, make spool 20 be unlikely to slip over head.It should be noted that, positioning step can have numerous embodiments: can be positioning rod, can be also step, be not restricted herein, as long as can limit spool move forward prevent from slipping over head.
Embodiment 1:
As shown in figure 13: in the process from closed condition to opening state, spool 20 moves in valve body 10.The described energy-conservation suction valve of the utility model, coordinates electrical switch to use together, fourth hole 116 and suction valve outlet side/or compression chamber suction side communicate, the second through hole 112 is connected with the outlet side of compression chamber; In the pipeline being connected with the first confined space 101 in compression chamber outlet side, be provided with flow control valve 60; In the initial operating stage stage, solenoid valve 50 is opened and is made compression chamber outlet side realize and being communicated with the tenth through hole 118 pipelines, the control gas-powered spool 20 that enters the first confined space 101 from the tenth through hole 118 is to moving away from the direction of the first capping 12, close being communicated with of the first through hole 111 and third through-hole 113, open being communicated with of the second through hole 112 and third through-hole 113, compressor is in low load operation conditions simultaneously.Spool 20 is provided with interconnecting part.In the time that needs load, electrical switch outlet side, the closes compression chamber pipe electromagnetic valve 50 that is connected with the tenth through hole 118 that gives an order, stop to the interior conveying gas of the first confined space 101, gas in the first confined space 101 is released through fourth hole 116, the interconnecting part 211 of spool 20 is moved between the first through hole 111 and third through-hole, the first through hole 113 is opened completely, and being simultaneously communicated with of the second through hole 112 and third through-hole 113 closed in closure part 212, and compressor enters loaded state.In the time reducing with gas end gas consumption, the pressure of compression chamber outlet side starts to increase, in the time that the pressure of compression chamber outlet side reaches the pressure that flow control valve 60 sets, start to have gas in flow control valve 60 enters the first confined space 101, drive spool 20 to move to the first capping 12 directions gradually, close gradually the first through hole 111, simultaneously the second through hole 112 is opened gradually, and the unnecessary part or all of gas in compression chamber outlet side is back to the outlet side of suction valve/or the suction side of compression chamber through the second through hole 112.Realize the balance of gas production and demand.In the time reducing maybe without gas with gas end gas consumption, the part or all of gas of compression chamber outlet side is got back to the suction end of compression chamber through the second through hole 112, in the time that compression chamber outlet side pressure rises to electric switch setting value, electric switch gives an order and opens solenoid valve 50, the control gas of compression chamber outlet side reenters in the first confined space 101, drive spool 20 to moving away from the direction of the first capping 12, close the first through hole 111, compressor enters unloading running state.
Embodiment 2:
As shown in figure 14: in the process from opening state to closed condition, spool 20 moves in valve body 10.The described energy-conservation suction valve of the utility model, coordinate electrical switch to use together, in the initial operating stage stage, electrical switch gives an order and opens the compression chamber outlet side pipe electromagnetic valve 50 that is connected with the tenth through hole 118, to the interior gas transmission of the first confined space 101, close the first valve 70 simultaneously, cut off fourth hole 116 with suction valve outlet side or/and being connected of compression chamber suction end, the gas of compression chamber outlet side is in the tenth through hole 118 enters the first confined space 101, spool 20 is subject to the driving of gas pressure gradually to moving away from the first capping 12 directions, close the connection of the first through hole 111 and third through-hole 113.After production run, electrical switch gives an order and opens the first valve 70, the gas of releasing in the first confined space 101, and shut electromagnetic valve 50 simultaneously, spool 20 is opened under suction function, and compressor enters full load operation state.In the time reducing with gas end gas consumption, the pressure of compression chamber outlet side starts to increase, in the time that the pressure of compression chamber outlet side reaches the pressure of electric switch setting, electric switch gives an order and opens solenoid valve 50, compression chamber is given vent to anger the unnecessary portion gas of nose end in solenoid valve 50 enters the first confined space 101, again by the first valve 70 and suction valve outlet side/or the passage of compression chamber suction side be connected, by the part or all of gas of compression chamber outlet side by valve 70 draw get back to suction valve outlet side/or the passage of compression chamber suction side in the compression that circulates, reduce the gas production of compressor.In the time using gas end completely without gas, pressure rises to the highest, and in the time reaching setting value, electric switch gives an order and cuts out the first valve 70, and the control gas-powered spool 20 that solenoid valve 50 is come is to moving away from the direction of the first capping 12.Close the first through hole 111.In the time that gas equipment gas consumption increases, the outlet side pressure of compression chamber reduces gradually, and electric switch gives an order and opens the first valve 70, and compressor starts reenters loading mode.By this design, can according in the pipeline that has the actual gas consumption of gas end to be connected with compression chamber in compression chamber outlet side, select different-diameter pipeline, selection different-diameter the first valve 70, realize compressor and convert between different flow.
Embodiment 3:
As shown in figure 15: in the process from opening state to closed condition, spool 20 moves in valve body 10.The described energy-conservation suction valve of the utility model, coordinate electrical switch to use together, in the initial operating stage stage, electrical switch gives an order and opens the compression chamber outlet side pipe electromagnetic valve 50 that is connected with the tenth through hole 118, to the interior gas transmission of the first confined space 101, close the first valve 70 simultaneously, cut off fourth hole 116 with suction valve outlet side or/and being connected of compression chamber suction end, the gas of compression chamber outlet side is in the tenth through hole 118 enters the first confined space 101, drive spool 20 to moving away from the first capping 12 directions, close the connection of the first through hole 111 and third through-hole 113, valve is closed completely.After production run, electrical switch gives an order and opens valve 70, shut electromagnetic valve 50, and spool 20 is opened under suction function, and compressor enters full load operation state.In the time reducing with gas end gas consumption, the pressure of compression chamber outlet side starts to increase, in the time that the pressure of compression chamber outlet side reaches the pressure that flow control valve 60 sets, start to have portion gas in flow control valve 60 enters the first confined space 101, draw by the first valve 70 compression that circulates in the passage of getting back to suction valve outlet side or compression chamber suction side again, reduce the air feed total amount that enters system end.In the time using gas end completely without gas, pressure rises to the highest, flow control valve 60 is opened completely, in the time reaching electric switch setting value, the electric switch throttle down 70 that gives an order, open solenoid valve 50, the control gas that solenoid valve 50 is come, in the tenth through hole 118 enters the first confined space 101, drives spool 20 to moving away from the direction of the first capping 12.Close the first through hole 111.In the time that gas equipment gas consumption increases, the outlet side pressure of compression chamber reduces gradually, and electric switch gives an order and opens valve 70, and compressor starts reenters loading mode.
In this process, all opening with the action of adjusting and the circulatory system all synchronizeed and carried out, and system pressure remains a kind of state of equilibrium of supply, needs how many compressions how many, realizes the object of energy efficient.
In addition, owing to being that the connection that relies on closure part 212 to cut off completely between the first through hole 111 and third through-hole 113 realizes throttle down, therefore, should ensure that the gap between closure part 212 and cylinder 11 should be as much as possible little.Therefore, on cylinder 11 inwalls, be covered with seal ring 90.
More than statement is only optimal way of the present utility model; it should be pointed out that to those skilled in the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, within these also should be considered as protection domain of the present utility model.
Claims (7)
1. multifunction valve, is characterized in that, comprises valve body (10) and spool (20);
Described valve body (10) comprises cylinder (11) and is arranged on first capping (12) of described valve body (10) one end;
Described valve body (10) offers the first through hole (111) and third through-hole (113); In described cylinder (11), be provided with spool (20), described spool (20) can do piston movement in described cylinder (11); Described cylinder (11), described the first capping (12) and described spool (20) form the first confined space (101) jointly; Described the first confined space (101) is provided with the fourth hole (116) being in communication with the outside; Described spool (20) is provided with closure part (212); Described the first through hole (111) and described third through-hole (113) in the time of valve open in connected state.
2. multifunction valve according to claim 1, it is characterized in that, described cylinder (11) is provided with second through hole (112) that can be communicated with third through-hole (113) in the time that the first through hole (111) is closed, and described spool (20) is provided with the interconnecting part that can make the second through hole (112) and third through-hole (113) be communicated with in the time of valve closing.
3. multifunction valve according to claim 1, is characterized in that, described fourth hole (116) outlet side is provided with the first valve (70).
4. multifunction valve according to claim 1, is characterized in that, described the first confined space (101) is connected with flow control valve (60).
5. multifunction valve according to claim 1, is characterized in that, described the first through hole (111) is located in cylinder (11).
6. multifunction valve according to claim 1, is characterized in that, described cylinder (11) is provided with positioning step (13) away from one end of the first capping (12).
7. multifunction valve according to claim 2, is characterized in that, described interconnecting part is the second groove (211) being arranged circumferentially on described spool (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053156.1U CN203809758U (en) | 2014-01-27 | 2014-01-27 | Multifunctional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053156.1U CN203809758U (en) | 2014-01-27 | 2014-01-27 | Multifunctional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809758U true CN203809758U (en) | 2014-09-03 |
Family
ID=51448508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420053156.1U Expired - Fee Related CN203809758U (en) | 2014-01-27 | 2014-01-27 | Multifunctional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809758U (en) |
-
2014
- 2014-01-27 CN CN201420053156.1U patent/CN203809758U/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: 20140903 Termination date: 20170127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |