CN203703328U - Energy-saving pneumatic air inlet valve - Google Patents
Energy-saving pneumatic air inlet valve Download PDFInfo
- Publication number
- CN203703328U CN203703328U CN201320828462.3U CN201320828462U CN203703328U CN 203703328 U CN203703328 U CN 203703328U CN 201320828462 U CN201320828462 U CN 201320828462U CN 203703328 U CN203703328 U CN 203703328U
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- cylinder
- elastic member
- hole
- spool
- fixed base
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Abstract
The utility model provides an energy-saving pneumatic air inlet valve. The energy-saving pneumatic air inlet valve comprises a first cylinder-shaped body, a pneumatic sleeve, a valve element, an elastic component, an elastic component fixed seat and a piston plate, wherein a first through hole and a second through hole are formed in the first cylinder-shaped body; the valve element can perform piston motion inside the first cylinder-shaped body; the valve element is provided with a communicating part; a third through hole is formed in the first cylinder-shaped body; a notch capable of being communicated with the third through hole is formed in the valve element, and the first cylinder-shaped body is further provided with a first passage; the pneumatic sleeve comprises an annular plate and a second cylinder-shaped boy, one end of the second cylinder-shaped body is connected with one end of the first cylinder-shaped body through the annular plate; the pneumatic sleeve, the valve element and the piston plate form a first closed space together, and an air inlet hole is formed in the pneumatic sleeve; the elastic component fixed seat is arranged at one end of the valve element, the piston plate is arranged at the other end of the valve element, and the elastic component is arranged between the first cylinder-shaped body and the elastic component fixed seat. According to the design, surplus gas can be exhausted through the third through hole when the gas using amount of gas burning equipment is reduced, so that the total quantity of air compressed and exhausted to the back end of the system is reduced, and the purpose of energy saving is achieved.
Description
Technical field
The utility model relates to equipment gas transmission field, is specifically related to a kind of valve technology.
Background technique
Compressor is important power resources during modern industry is produced, and obtains aborning application widely, and suction valve, as the important component part of compressor, is one of indispensable parts.Common suction valve is take butterfly valve as main, regulatory function is with fully open/closed more common, pass through inverse proportion valve, also can realize certain capacity regulating, because the reason of working method, traditional suction valve is difficult to the amount of air inlet to control accurately, in the time that gas consumption reduces, pressure raises gradually, the gas sucking in does not reduce, even if or reduced, allly be sucked into the gas coming and maintain a higher pressure state after still can be compressed, common working method is: first pressure is compressed to higher pressure, and then slowly release, when being down to after certain pressure, again pressurized gas makes it reach elevated pressures again, release again, 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 obvious 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.
Model utility content
The purpose of this utility model is to provide a kind of Pneumatic power-saving suction valve, solves one or more in above-mentioned prior art problem.
According to an aspect of the present utility model, Pneumatic power-saving suction valve is provided, comprise the first cylinder, pneumatic cover, spool, elastic member, elastic member fixed base and piston plate; The first cylinder offers the first through hole and the second through hole; Spool is located in the first cylinder and can in the first cylinder, be done piston movement; Spool is provided with the interconnecting part that can make the first through hole and the second through hole be communicated with in the time of valve opening; In the first cylinder, have third through-hole; Spool is provided with the breach that can be communicated with third through-hole in the time of valve closing, and the first cylinder is also provided with the first passage that can be communicated with third through-hole in the time of valve closing; Pneumatic cover comprises ring flat-plate and the second cylinder, and one end of the second cylinder is connected with one end of the first cylinder by ring flat-plate; Pneumatic cover and spool, piston plate form the first confined space jointly, and pneumatic putting has the inlet hole that can make the first confined space be in communication with the outside; Elastic member fixed base is located at spool one end away from the second cylinder, and piston plate is located at spool one end away from the first cylinder, and elastic member is located between the first cylinder and elastic member fixed base.This design can be discharged unnecessary gas by third through-hole in the time that gas equipment gas consumption reduces, and reduces the compressed air total amount that enters system rear end, realizes energy-conservation object.
In some embodiments, inlet hole is connected with inverse proportion valve.This design, can maintain air pressure in gas equipment constant.
In some embodiments, interconnecting part is the first groove being arranged circumferentially on spool or the second groove radially arranging.The space that the design of the first groove is passed through confession medium is larger, and the design of the second groove can make medium enter and not lead to the second through hole with intercepting from the first through hole, and flow velocity is faster.
In some embodiments, elastic member is spring, and elastic member fixed base is fixed in spring one end, and the other end is connected to the first cylinder one end near elastic member fixed base.Elastic member adopts spring, is convenient to draw materials, is convenient to install, change.
In some embodiments, elastic member comprises the first magnet and the second magnet that homopolarity is oppositely arranged, and the first magnet is located at elastic member fixed base, and the second magnet is located at the first cylinder one end near elastic member fixed base.This design is compared to adopting spring, can avoid spring in using process because humid environment gets rusty, extend working life of valve.
In some embodiments, also comprise the 3rd cylinder, spool and elastic member fixed base can move in the 3rd cylinder, and one end of the 3rd cylinder connects the first cylinder one end near elastic member fixed base, in the 3rd cylinder, offer the first pore.The 3rd tubular physical efficiency is set and avoids elastic member to be subject to extraneous collision or erosion, the first pore is set and can avoids the gas between elastic member fixed base and the first cylinder in the 3rd barrel to hinder the movement of spool.
In some embodiments, also comprise the first capping, one end that the 3rd cylinder is not connected with the first cylinder is fixed in the first capping, offers the second pore in the first capping.The second pore is set and can avoids the movement of the gas obstruction spool between the first capping and elastic member fixed base.
In some embodiments, also comprise the second capping, one end that the second cylinder is not connected with ring flat-plate is fixed in the second capping, offers the 3rd pore in the second capping.The 3rd pore is set and can avoids the movement of the gas obstruction piston plate between interior the second capping of the second cylinder and piston plate.
In some embodiments, the inwall of the first cylinder and/or the outer wall of spool are provided with the first seal.This design can guarantee that spool can slide in the first cylindrical shell, again with the inwall close contact of the first cylindrical shell, and the seal degree while improving valve closing.
In some embodiments, the outer circumferential edge of piston body and/or the inwall of the second cylinder are provided with the second seal.This design can guarantee that piston plate can slide in the second cylindrical shell, again with the inwall close contact of the second cylindrical shell, and the sensitivity that improves piston plate in the process of valve closing.
Accompanying drawing explanation
Fig. 1 is the generalized section of the first mode of execution opening state of the present utility model;
Fig. 2 is the generalized section of the second mode of execution opening state of the present utility model;
Fig. 3 is the generalized section of the third mode of execution opening state of the present utility model;
Fig. 4 is the generalized section of the 4th kind of mode of execution opening state of the present utility model;
Fig. 5 is the generalized section of the 5th kind of mode of execution opening state of the present utility model;
Fig. 6 is the plan view of a kind of mode of execution of spool of the present utility model;
Fig. 7 is the generalized section of the second mode of execution opening state 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 Pneumatic power-saving suction valve that the utility model provides, comprises the first cylinder 10, pneumatic cover 20, spool 30, elastic member, elastic member fixed base 40 and piston plate 60.
The first cylinder 10 offers the first through hole 11 and the second through hole 12 that flow into and flow out for medium respectively.Spool 30 is located in the first cylinder 10 and can in the first cylinder 10, be done piston movement.Spool 30 is provided with the interconnecting part that can make the first through hole 11 and the second through hole 12 be communicated with in the time of valve opening.It should be noted that, said interconnecting part can have multiple set-up mode here, such as: can be the first groove 321 that hoop is offered on spool 30 as shown in Figure 1; It can also be the second groove 322 of radially offering on spool 30 as shown in Figure 6.
In the first cylinder 10, also have third through-hole 14; Spool 30 is provided with breach 31, the first cylinder 10 that can be communicated with third through-hole 14 in the time of valve closing and is also provided with the first passage 13 that can be communicated with third through-hole 14 in the time of valve closing.It should be noted that, aforementioned " when valve closing " comprises state when valve is closed completely, also comprises the state of valve in closing process.,, in valve closing process, along with the movement of spool 30 in the first cylinder 10, third through-hole 14 is exposed in breach 31 gradually.Until valve is while closing completely, third through-hole 14 is exposed in breach 31 completely.
As shown in Figures 1 to 4, pneumatic cover 20 comprises that one end of ring flat-plate 21 and the second cylinder 22, the second cylinder 22 is connected and fixed by one end of ring flat-plate 21 and the first cylinder 10.Pneumatic cover 20 and spool 30, piston plate 60 common formation the first confined spaces 200.
On pneumatic cover 20, have the inlet hole 23 that can make the first confined space 200 be in communication with the outside, inlet hole 23 can directly be connected with external air source, also can be connected with external air source by inverse proportion valve.When external air source is inputted gas by inlet hole 23 to 200 li of the first confined spaces, along with the air pressure in the first confined space 200 progressively raises, can promote piston plate 60 in the interior movement of the second cylinder 22.It should be noted that, the concrete shape of pneumatic cover 20 does not limit, as long as can jointly form a confined space with spool 30, piston plate 60, and can make piston plate 60 do piston movement therein and then be with movable valve plug 30 to move.
Herein, inlet hole 23 can be as shown in Figure 1, 2, is opened on ring flat-plate 21; Also can be as shown in Figure 3, be opened in the second cylinder 22.
As shown in Figure 3, in order to make air pressure in gas equipment in steady state value, can make inlet hole 23 be connected with external air source by inverse proportion valve 100.
As shown in Fig. 1 to 5, elastic member fixed base 40 is located at spool 30 one end away from the second cylinder 22, it should be noted that, the effect of elastic member fixed base 40 is secures resilient member.Therefore, the concrete shape of elastic member fixed base 40 is not construed as limiting, can be a boss herein, can be also a recess, can also be even the connection fixture of this class of hook.In a word, can realize the object of secures resilient member.
As shown in Fig. 1 to 5, piston plate 60 is located at spool 30 one end away from the first cylinder 10, and piston plate 60 can be fixed by modes such as welding, bolts with spool 30, also can be one-body molded.Concrete shape to piston plate 60 does not also limit, can be at the interior piston movement of doing of the second cylinder 22.
Elastic member is located between the first cylinder 10 and elastic member fixed base 40.It should be noted that elastic member can have multiple set-up mode.Such as:
As shown in Figure 1, elastic member is spring 51, and spring 51 is set in spool 30 outsides, one end of spring 51 and elastic member fixed base 40 butts, and the other end and the first cylinder 10 are near end, one end butt of elastic member fixed base 40.The set-up mode of spring 51 can also be as shown in Figure 2, along the outer circumferential distribution of spool 30.
As shown in Figure 4, elastic member can also be the magnet that a pair of homopolarity is oppositely arranged, and is made up of the first magnet 52 and the second magnet 53, and the first magnet 52 and the second magnet 53 are oppositely arranged, and relative face is homopolarity.The first magnet 52 is fixed on elastic member fixed base 40 by the mode such as pasting or inlay, and the second magnet 53 is fixed on one end near elastic member fixed base 40 on spool 30 by the mode such as pasting or inlay.
In actual use, for avoiding elastic member to be subject to extraneous collision or erosion, also can be as shown in Figure 5, the 3rd cylinder 71 is set, spool 30 and elastic member fixed base 40 can be in the interior movements of the 3rd cylinder 71.One end of the 3rd cylinder 71 connects the first cylinder 10 by connecting ring 70.It should be noted that, under this kind of design, one end of elastic member also can be fixed on connecting ring 70.The one end that also can not be connected with the first cylinder 10 in the 3rd cylinder 71 is fixed with the first capping 72 by welding, bolt, the mode such as one-body molded.For avoiding the air pressure in the 3rd cylinder 71 to hinder the movement of elastic member fixed base 40 in the 3rd cylinder 71, can offer the second pore 73 and/or in the 3rd cylinder 71, offer the first pore 74 in the first capping 72.
In addition, for protection piston plate 60 is avoided extraneous collision or erosion, also can be as shown in Figure 5, the one end not being connected with the first cylinder 10 in the second cylinder 22 is fixed with the second capping 80 by welding, bolt, the mode such as one-body molded.Piston plate 60 is enclosed in the second cylinder 22 inside by this measure.But this kind of design lower piston plate 60 and the second cylinder 22 and the second capping 80 be common forms a confined space, interior when mobile in the second cylinder 22 when piston plate 60, the air pressure in this confined space can be to the shift motion resistance of piston plate 60.Therefore, can in the second capping 80, offer the 3rd pore 81.In this section of aforementioned confined space, gas can pass through the 3rd pore 81 discharge valves.
As shown in Fig. 1 to 5, Pneumatic power-saving suction valve described in the utility model is under buttoned-up status, now elastic member in the raw, interconnecting part is not between the first through hole 11 and the second through hole 12, spool 30 has cut off the connection between the first through hole 11 and the second through hole 12 completely, and medium can not flow in gas equipment through the second through hole 12 by interconnecting part from the first through hole 11.Under this state, third through-hole 14 exposes from the breach 31 on spool 30, is communicated with first passage 13.
As shown in Figure 7, Pneumatic power-saving suction valve described in the utility model is under opening state, now elastic member is in compressive state, interconnecting part is between the first through hole 11 and the second through hole 12, the first through hole 11 and the second through hole 12 are in connected state smoothly, and medium can be flowed in gas equipment through the second through hole 12 by interconnecting part by the first through hole 11.Under this state, spool 30 has blocked being communicated with of third through-hole 14 and first passage 13.
In process from closed condition to opening state, external air source is passed through inlet hole 23 to the interior gas transmission of the first confined space 200, air pressure in the first confined space 200 increases gradually, and then it is interior to moving away from the direction of the first cylinder 10 in the second cylinder 22 to promote piston plate 60, band movable valve plug 30 also moves to this direction, and interconnecting part is moved between the first through hole 11 and the second through hole 12 gradually.
In the situation that inlet hole 23 is connected with inverse proportion valve, when air pressure reaches after the pressure of inverse proportion valve setting, under the effect of inverse proportion valve, the gas pressure entering in confined space 200 reduces gradually, in the time that the restoring force of elastic member is greater than the gas pressure of inverse proportion valve control, elastic member band movable valve plug moves to elastic member fixed base 40 directions.The circulation canal that is connected between third through-hole 14 and first passage 13 is opened gradually simultaneously.
Need to stress, in actual use, third through-hole 14 is connected with external air source, and in the time that gas equipment gas consumption reduces, valve starts to close gradually.In addition, owing to being that the connection that relies on spool 30 to cut off completely between the first through hole 11 and the second through hole 12 realizes throttle down, therefore, should guarantee that the gap between spool 30 and the first cylinder 10 should be as much as possible little.Therefore, on the first cylinder 10 inwalls, be covered with the first seal 91.Certainly, this first seal 91 also can be laid on spool 30 outer walls individually or simultaneously.
Equally, for guaranteeing the sensitivity of piston plate 60, the gap between the edge of piston plate 60 and the second cylinder 22 inwalls should be as far as possible little.Therefore, on the second cylinder 22 inwalls, be covered with the second seal 92.Certainly, this second seal 92 also can be laid on the outer circumferential edge of piston plate 60 individually or simultaneously.
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 (10)
1. Pneumatic power-saving suction valve, is characterized in that, comprises the first cylinder (10), pneumatic cover (20), spool (30), elastic member, elastic member fixed base (40) and piston plate (60);
Described the first cylinder (10) offers the first through hole (11) and the second through hole (12);
Described spool (30) is located in described the first cylinder (10) and can in described the first cylinder (10), be done piston movement; Described spool (30) is provided with the interconnecting part that can make the first through hole (11) and the second through hole (12) be communicated with in the time of valve opening;
In described the first cylinder (10), have third through-hole (14); Described spool (30) is provided with the breach (31) that can be communicated with described third through-hole (14) in the time of valve closing, and described the first cylinder (10) is also provided with the first passage (13) that can be communicated with described third through-hole (14) in the time of valve closing;
Described pneumatic cover (20) comprises ring flat-plate (21) and the second cylinder (22), and one end of described the second cylinder (22) is connected with one end of described the first cylinder (10) by described ring flat-plate (21); Described pneumatic cover (20) forms the first confined space (200) jointly with described spool (30), described piston plate (60), has the inlet hole (23) that can make described the first confined space (200) be in communication with the outside on described pneumatic cover (20);
Described elastic member fixed base (40) is located at described spool (30) one end away from described the second cylinder (22), described piston plate (60) is located at described spool (30) one end away from described the first cylinder (10), and described elastic member is located between described the first cylinder (10) and described elastic member fixed base (40).
2. Pneumatic power-saving suction valve according to claim 1, is characterized in that, described inlet hole (23) is connected with inverse proportion valve (100).
3. Pneumatic power-saving suction valve according to claim 1, is characterized in that, described interconnecting part is the first groove (321) being arranged circumferentially on described spool (30) or the second groove (322) radially arranging.
4. Pneumatic power-saving suction valve according to claim 1, it is characterized in that, described elastic member is spring (51), described elastic member fixed base (40) is fixed in described spring (51) one end, and the other end is connected to described the first cylinder (10) one end near described elastic member fixed base (40).
5. Pneumatic power-saving suction valve according to claim 1, it is characterized in that, described elastic member comprises the first magnet (52) and the second magnet (53) that homopolarity is oppositely arranged, described the first magnet (52) is located at described elastic member fixed base (40), and described the second magnet (53) is located at described the first cylinder (10) one end near described elastic member fixed base (40).
6. Pneumatic power-saving suction valve according to claim 1, it is characterized in that, also comprise the 3rd cylinder (71), described spool (30) and elastic member fixed base (40) can move in described the 3rd cylinder (71), one end of described the 3rd cylinder (71) connects described the first cylinder (10) one end near described elastic member fixed base (40), in described the 3rd cylinder (71), offers the first pore (74).
7. Pneumatic power-saving suction valve according to claim 6, it is characterized in that, also comprise the first capping (72), one end that described the 3rd cylinder (71) is not connected with described the first cylinder (10) is fixed in described the first capping (72), offers the second pore (73) in described the first capping (72).
8. Pneumatic power-saving suction valve according to claim 1, it is characterized in that, also comprise the second capping (80), one end that described the second cylinder (22) is not connected with described ring flat-plate (21) is fixed in described the second capping (80), offers the 3rd pore (81) in described the second capping (80).
9. according to the Pneumatic power-saving suction valve described in claim 1 to 8 any one, it is characterized in that, the outer wall of the inwall of described the first cylinder (10) and/or described spool (30) is provided with the first seal (91).
10. according to the Pneumatic power-saving suction valve described in claim 1 to 8 any one, it is characterized in that, the inwall of the outer circumferential edge of described piston plate (60) and/or described the second cylinder (22) is provided with the second seal (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828462.3U CN203703328U (en) | 2013-12-13 | 2013-12-13 | Energy-saving pneumatic air inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320828462.3U CN203703328U (en) | 2013-12-13 | 2013-12-13 | Energy-saving pneumatic air inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703328U true CN203703328U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320828462.3U Expired - Fee Related CN203703328U (en) | 2013-12-13 | 2013-12-13 | Energy-saving pneumatic air inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315198A (en) * | 2014-08-19 | 2015-01-28 | 干平 | Air inlet valve and energy-saving air inlet system |
-
2013
- 2013-12-13 CN CN201320828462.3U patent/CN203703328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315198A (en) * | 2014-08-19 | 2015-01-28 | 干平 | Air inlet valve and energy-saving air inlet system |
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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: 20140709 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |