CN101520107B - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
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- CN101520107B CN101520107B CN200810005298XA CN200810005298A CN101520107B CN 101520107 B CN101520107 B CN 101520107B CN 200810005298X A CN200810005298X A CN 200810005298XA CN 200810005298 A CN200810005298 A CN 200810005298A CN 101520107 B CN101520107 B CN 101520107B
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- noise elimination
- sealing
- elimination part
- iron core
- solenoid valve
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Abstract
The invention discloses an electromagnetic valve, which comprises a valve seat, a valve port on the valve seat, an inlet pipe and an outlet pipe that are fixed through the valve seat, a sleeve connected with the valve seat as a whole, a moving iron core and a static iron core in the sleeve, a spring between the moving iron core and the static iron core, and a sealing element that is integrated with the moving iron core through a connecting part. The sealing element comprises: a sealing part right opposite to the outlet pipe, a filter element, a first holding part that faces to a chamber on the sealing element and is used for placing the filter element, an erasure part at an end part and a second holding part that is right opposite to the outlet pipe on the sealing part of the sealing element and used for placing the erasure part at the end part. Under the closed condition of the electromagnetic valve, the inlet pipe and the outlet pipe form an access through the sealing element and the access at least comprises the filter element, a first throttle access, a middle erasure part, a second throttle access, the erasure part at the end part and a spacer with a through hole which are sequentially arranged; and the end erasure part is a rotating body whose cross-sectional area increases along the direction of the flowing medium. The electromagnetic valve has excellent erasure effect.
Description
Technical field
The present invention relates to mechanical engineering field, particularly a kind of normally open solenoid valve.
Background technique
Solenoid valve is widely used in hydraulic pressure, vacuum, combustion gas transmission and the refrigeration system, and important effect is being brought into play in the automatic control that realizes pipeline.
Dehumidify a kind of solenoid valve in the cooling-down air conditioner not be a kind ofly to close the solenoid valve that also can pass through MEDIA FLOW (like refrigerant) under the valve state, and rate-of flow is littler than the flow of opening under the valve state, therefore plays throttling action usually.For example in dehumidification air conditioner, solenoid valve is used for connecting two indoor heat exchangers, and this type of air-conditioning is removed the water vapour of indoor air and temperature is reduced, and therefore is the not cooling-down air conditioner that dehumidifies again.
Fig. 1 is the not principle schematic of cooling-down air conditioner of a kind of dehumidifying.As shown in the figure, when dehumidifying, from the refrigerant of compressor 8 outflows; According to the flow direction shown in 4,, flow into solenoid valve 1 after the refrigerant heat release via outdoor condenser 6, electric expansion valve 5 inlet chamber inner condensers 2; Solenoid valve 1 no electric circuit and be in opening state generally speaking; This moment, solenoid valve 1 was in closed condition when air-conditioning dehumidifies, refrigerant throttling in solenoid valve 1 (flow from large to small), the indoor evaporator of flowing through then 3 heat absorptions; Fan 9 drives indoor airs earlier through the vaporizers 3 of heat absorption, makes the water vapour dewfall, plays effect on moisture extraction, is passed through the condenser 2 of heat release again by the air after dehumidify, make send back to again after the air temperature rising indoor, thereby reach the not cool effect that dehumidifies.
In the dehumidifying running, solenoid valve 1 energising, solenoid valve 1 is in the valve state that closes; For obtaining restriction effect, media such as refrigerant pass through through the throttling path of valve inner, the MEDIA FLOW multilated; The sound that flows like the tinnitus will take place; Increased noise to indoor environment, so solenoid valve also has the noise reduction parts, with reduce medium through the time noise.
Fig. 2 is the internal structure schematic representation of the disclosed a kind of solenoid valve of existing technology, and Fig. 3 is the structural representation of the Sealing of solenoid valve shown in Figure 2.Solenoid valve as shown in Figure 2 comprises: valve seat 10, by the inlet tube 11 and outer pipe 12 that valve seat 10 inner cavities are communicated with, the coil 20 that sleeve pipe 13 that is connected with valve seat 10 and sleeve pipe are outer; The end socket 17 of sleeve pipe 13 inner ends, the moving iron core 14 that can in sleeve pipe, move around, the spring 16 that is provided with between moving iron core 14 and the static iron core 15, the magnetism resistent ring 19 between moving iron core 14 and end socket 17, and the Sealing 18 that is connected in moving iron core 14 the other ends; As shown in Figure 3; Sealing 18 comprises: over against the Sealing sealed department 187 of valve port 101; The Sealing joint 186 that links to each other with moving iron core 14; Noise elimination part 184, throttle orifice 185, inner chamber 182 are arranged in the hollow accommodating part 183 of sealed department 187 successively, and inner chamber 182 is communicated with the valve seat cavity by the filter member 181a in the open pore of Sealing 18 sides, 181b.
During coil 20 outages, moving iron core 14 withstands magnetism resistent ring 19 under the spring force effect, and Sealing 18 leaves valve port 101, and solenoid valve is in the state of opening fully; During coil 20 energisings, under the effect of electromagnetic force, moving iron core 14 overcomes spring force and is attracted to static iron core 15 1 ends; Drive Sealing 18 and push down valve port 101, at this moment, medium flows into outer pipe 12 by inlet tube 11 through the throttling path A-A shown in Fig. 2; The filter member 181 of flowing through successively, Sealing inner chamber 182, throttle orifice 185 and noise elimination part 184; Therefore form the path of a small aperture in Sealing inside, realized the function of throttling.Wherein, filter member is made up of hole dimension porous material big, that porosity ratio is bigger, is used for removing the impurity that the inflow medium is mixed with; With the anti-plugging throttle orifice; And the porous material that noise elimination part is less by hole dimension, porosity ratio is less constitutes, and when medium passed through hole, flow velocity and pressure reduced; Reduce fluid turbulence, thereby reduced the noise that flows.
In the solenoid valve of existing technology, medium has reduced the noise that flows to a certain extent, yet can not satisfy the requirement that criterion for noise control improves day by day through the process of " filtration-throttling-noise reduction ", needs further to improve erasure effect; In addition, in the long-play process, filter member is gathered a large amount of solid impurities can not remove in time that to make it filter path not smooth, also causes when serious stopping up, and has influenced solenoid valve and has turned round normally.
Summary of the invention
The purpose of this invention is to provide a kind of solenoid valve with good erasure effect, further, its internal path is difficult for blocked, thus long-term operation that can be stable.
For addressing the above problem; The invention provides a kind of solenoid valve, comprising: valve seat (10) is arranged at the valve port (101) on the valve seat (10); Through valve seat (10) fixing medium inlet (11) and outer pipe (12); With the sleeve pipe (13) that valve seat (10) fuses, the chamber (21) that sleeve pipe and valve seat form, the coil (20) that sleeve pipe (13) is outer; Moving iron core (14) and static iron core (15) in the sleeve pipe (13); The spring (16) that is provided with between moving iron core (14) one ends and the static iron core (15), and through the Sealing (28) of joint (286) with moving iron core (14) one, said Sealing (28) comprising: the joint (286) that links to each other with moving iron core (14); Sealed department (287) over against outer pipe (12); And filter member (281) and Sealing (28) go up towards first accommodating part (288) that is used to place filter member (281) of chamber (21), on the sealed department (287) of end noise elimination part (285) and Sealing (28) over against second accommodating part (289) that is used to place end noise elimination part (285) of outer pipe, under the solenoid closure state; Said inlet tube (11) and outer pipe (12) form path through Sealing (28), comprise filter member (281), first throttle path (282), middle noise elimination part (283), the second throttling path (284) and end noise elimination part (285) that sets gradually and the pad (290) that has through hole in the said path at least; Said end noise elimination part (285) is the solid of rotation that cross sectional area increases along the media flow direction.
Said filter member (281) is made up of the porous material, and said first throttle path (282) is filtered part and covers towards the cross section of filter member (281), and the long-pending sectional area greater than first throttle path (282) of the passage sections of filter member (281).
The said second throttling path (284) is covered by middle noise elimination part (283) with the contacted cross section of said middle noise elimination part (283), and the long-pending sectional area greater than the second throttling path (284) of the passage sections of middle noise elimination part (283).
Preferably, said filter member (281) is a ring.
Preferably, said end noise elimination part (285) becomes the solid of rotation of T-shape for the vertical section that is made up of the porous material.
Said end noise elimination part (285) becomes the solid of rotation of isosceles trapezoid for the vertical section that is made up of the porous material.
Said end noise elimination part (285) or middle noise elimination part (283) are made up of the porous material solid of rotation of two different porosities respectively at least, and said solid of rotation stacks according to the ascending order of porosity ratio.
The porosity ratio of the porous material of said filter member (281) is greater than the porosity ratio of noise elimination part (283) in the middle of said and end noise elimination part (285).
The said first throttle path (282) or the second throttling path (284) become big cone shape hole gradually for diameter.
Joint of said Sealing (286) and sealed department (287) link into an integrated entity through interference fit, and said filter member (281), middle noise elimination part (283) are fixed in the Sealing (28).
Said end noise elimination part (285) is fixed through the pad (290) that is crimped on Sealing (28) port.
Compared with prior art; The present invention has the following advantages: MEDIA FLOW is through internal path process " filtration-throttling-noise reduction-throttling-noise reduction " process of solenoid valve Sealing; The processing of twice noise reduction fully reduces mobile noise, and erasure effect obviously is superior to the process of " filtration-throttling-noise reduction " in the existing technology; Secondly filter member covers the first throttle path fully; Thereby make filter member have the bigger area of passage; Even the filter member top layer over against the throttling path is stopped up by impurity; MEDIA FLOW still can arrive the first throttle path through filter member by the path on next door, thereby has guaranteed the reliability of long-term operation.
Further; The end noise elimination part is the solid of rotation that cross sectional area increases gradually, in the limited space of Sealing, has enlarged the area of passage of end noise elimination part, and MEDIA FLOW is through more aperture; Can be by refinement more fully, rectification, erasure effect further improves.
Description of drawings
Through the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, characteristic and advantage of the present invention will be more clear.Reference character identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing in proportion, focus on illustrating purport of the present invention.
Fig. 1 is the not principle schematic of cooling-down air conditioner that dehumidifies;
Fig. 2 is the internal structure schematic representation of disclosed a kind of solenoid valve in the existing technology;
Fig. 3 is the structural representation of the Sealing of solenoid valve among Fig. 2;
Fig. 4 is the structural representation under the valve opening solenoid valve state in the embodiment of the invention one;
Fig. 5 is that solenoid valve closes the structural representation under the valve state in the embodiment of the invention one;
Fig. 6 is the structural representation that the present invention implements solenoid valve Sealing in;
Fig. 7 is that solenoid valve closes the structural representation under the valve state in the embodiment of the invention two;
Fig. 8 is the structural representation of solenoid valve Sealing in the embodiment of the invention two;
Fig. 9 is the internal structure schematic representation of another kind of Sealing in the embodiment of the invention two;
Figure 10 is that the present invention implements the structural representation under the valve opening solenoid valve state in three;
Figure 11 is the structural representation that the present invention implements solenoid valve Sealing in three.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
A lot of details have been set forth in the following description so that make much of the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention does not receive the restriction of following disclosed practical implementation.
Said schematic representation is an instance, and it should not limit the scope of the present invention's protection at this.
Embodiment one
Present embodiment combines accompanying drawing to disclose the preferred embodiments of the disclosure.The end noise elimination part of said solenoid valve becomes the solid of rotation of T-shape for the cross section that is made up of the porous material, thereby has enlarged the area of passage of MEDIA FLOW through noise elimination part, improves erasure effect; Filter member is around one week of Sealing sidewall; The first throttle path is filtered part towards the cross section of filter member and covers fully; And the long-pending sectional area of the passage sections of filter member greater than the first throttle path; Even the filter member outer wall over against the throttling path has partial impurities to pile up like this, MEDIA FLOW can get into the throttling path from other parts of filter member, effectively prevents blocked path.
Fig. 4 is the structural representation under the valve opening solenoid valve state in the present embodiment, and Fig. 5 is that solenoid valve closes the structural representation under the valve state in the present embodiment, and Fig. 6 is the structural representation of solenoid valve Sealing in this enforcement.
Solenoid valve as shown in Figure 4 comprises: valve seat 10 is arranged at the valve port 101 on the valve seat 10, through valve seat 10 fixing medium inlet 11 and outer pipe 12; With the sleeve pipe 13 that valve seat 10 fuses, the chamber 21 that valve seat and sleeve pipe form, the coil 20 outside the valve seat sleeve pipe 13; Be used to produce electromagnetic force during energising, be provided with moving iron core 14 and static iron core 15 in the sleeve pipe 13, the magnetism resistent ring 19 that is provided with on the moving iron core 14; End socket 17 is used for spacing moving iron core 14, and magnetism resistent ring 19 is used to separate the electromagnetic attraction between moving iron core 14 and the end socket 17, between moving iron core 14 and the static iron core 15 spring 16 is set; Sealing 28 is connected as a single entity with moving iron core 14 through its joint 286; The sealed department 287 of Sealing 28 is over against outer pipe 12, and moving iron core 14 can to-and-fro motion sleeve pipe 13 in, thereby drive Sealing 28 leaves or seal valve port 101.
During coil 20 energisings; Under the effect of electromagnetic force; The elastic force that moving iron core 14 overcomes spring 16 is attracted to static iron core 15 1 ends, and the Sealing 28 with moving iron core 14 one is pressed on the valve port 101 simultaneously, at this moment solenoid closure; Medium is via inside throttling path, the valve port 101 laggard inlet/outlet pipes 12 of inlet tube 11, Sealing 28, shown in arrow C-C among Fig. 5.
During coil 20 outages; Electromagnetic force disappears, and the elastic force of spring 16 makes iron core 14 separate with static iron core 15, moves to the other end and withstands magnetism resistent ring 19; Sealing 28 with moving iron core 14 one leaves valve port 101 simultaneously; Solenoid valve is opened fully, and medium gets into outer pipe 12 via the chamber 21 in inlet tube 11, the valve seat 10, valve port 101, shown in arrow B-B among Fig. 4.
The internal structure of Sealing 28 as shown in Figure 6; Comprise: the joint 286 that links to each other with moving iron core 14; Over against the Sealing sealed department 287 of outer pipe, and Sealing 28 sides are used to place filter member 281 towards first accommodating part 288 of valve seat 10 inner chambers; Has second accommodating part 289 at Sealing 28 1 ends over against outer pipe; Be used to place described end noise elimination part 285, said inlet tube (11) and outer pipe (12) comprise the circular filter element 281 that sets gradually at the inner throttling path that forms of Sealing (28) in the said throttling path; First throttle path 282a, 282b, middle noise elimination part 283, the second throttling path 284 and end noise elimination part 285 and be uniformly distributed with the pad 290 of through hole.Because fluid still can flow through from the inside throttling path that Sealing 28 has when closed electromagnetic valve, therefore to have realized under closed state, still having MEDIA FLOW to cross solenoid valve, solenoid valve plays the effect of throttling to MEDIA FLOW.
Wherein, filter member 281 is an annular, centers on the outside that places first accommodating part 288 of Sealing 28 sides and block first throttle path 282a, 282b, and the porous material bigger by porosity ratio constitutes, and is used for the impurity particle of filter medium; First throttle path 282a, 282b are filtered 281 of parts and cover fully towards the cross section of filter member, and the long-pending sectional area greater than first throttle path 282a, 282b of the passage sections of filter member, are the long-pending 3-5 of first throttle passage sections times or higher; First throttle path 282a and 282b medium throttling to flowing into; The cross section is that the middle noise elimination part 283 of the ring-type solid of rotation of rectangle is made up of the less porous material of porosity ratio; When the MEDIA FLOW after the throttling is crossed the space of middle noise elimination part 283; Rate of flow of fluid and the pressure of upsetting reduces, by refinement and rectification, thereby reduced mobile noise; The porosity ratio of filter member 281 is greater than the porosity ratio of noise elimination part in the middle of said 283 and end noise elimination part 285; Guarantee that MEDIA FLOW gets into less middle noise elimination part in aperture 283 and end noise elimination part 285 through the bigger filter member in aperture earlier again, in case long-term operation makes blocked path; MEDIA FLOW through middle noise elimination part 283 is through the second throttling path, 284 second throttles, flows into the cross section then for falling the end noise elimination part 285 that is made up of the porous material of T-shape, is used for once more to MEDIA FLOW noise reduction after the throttling; Last medium flows out the through hole entering outer pipe 12 of end noise elimination part 285 through pad 290.
The joint 286 of Sealing and sealed department 287 are linked together by interference fit; Secures 281 and middle noise elimination part 283 between them; End noise elimination part 285 is fixed through the pad 290 that is crimped on sealed department 287 ports with pad 290; Pad 290 is for metal material and be uniformly distributed with a plurality of through holes, is used for through MEDIA FLOW and blocks inner parts such as end noise elimination part 285.
In the solenoid valve that present embodiment discloses; MEDIA FLOW is through internal path process " filtration-throttling-noise reduction-throttling-noise reduction " process of Sealing 28; Noise reduction through twice fully reduces mobile noise, and erasure effect obviously is superior to the process of " filtration-throttling-noise reduction " in the existing technology, and noise elimination part 285 cross sections, end are for falling T-shape simultaneously; In Sealing 28, enlarged the area of passage of noise elimination part in the limited space; Make MEDIA FLOW pass through more aperture, can be by refinement more fully, rectification, erasure effect further improves; In addition; First throttle path 282a, 282b are filtered part 281 and cover towards the cross section of filter member; And the long-pending sectional area of the passage sections of filter member greater than the first throttle path, thus the bigger area of passage had in filter member 281, even stopped up by impurity over against the filter member top layer of first throttle path 282a, 282b; MEDIA FLOW still can other flow through over against the path of the part of first throttle path by filter member, thereby have guaranteed the reliability of long-term operation; If filter member 281 surface sediment impurity, during coil blackout, solenoid valve is opened, and the big flow medium through solenoid valve can have the effect of washing away to the filter member surface, thereby the impurity of piling up is taken away, and keeps the unimpeded of Sealing 28 internal paths.
Below only disclosed the embodiment that middle noise elimination part, end noise elimination part constitute by a kind of porous material of porosity ratio; In fact; In the solenoid valve disclosed by the invention; The middle noise elimination part of Sealing or end noise elimination part also can be made up of the porous material of two-part different porosities at least, and also other shapes of the cross section of end noise elimination part, specifically in embodiment two, disclose.
Embodiment two
Electromagnetic valve structure in the present embodiment and embodiment's one structure main difference is; The middle noise elimination part of said Sealing internal path or end noise elimination part constitute by the porous material of two-part different porosities; The ascending stack of porosity ratio is arranged, and the cross section of end noise elimination part is an isosceles trapezoid.
Fig. 7 is that solenoid valve closes the structural representation under the valve state in the present embodiment, and Fig. 8 is the structural representation of solenoid valve Sealing in the present embodiment.
Solenoid valve as shown in Figure 7 comprises: valve seat 10, be arranged at the valve port 101 on the valve seat 10, and be fixed on medium inlet 11 and outer pipe 12 on the valve seat; With the sleeve pipe 13 that valve seat 10 fuses, sleeve pipe and valve seat form chamber 21, the coil 20 outside the sleeve pipe 13; Be provided with moving iron core 14 and static iron core 15 in the sleeve pipe 13, the magnetism resistent ring 19 that is provided with on the moving iron core 14, end socket 17 is used for spacing moving iron core 14; Magnetism resistent ring 19 is used to separate the electromagnetic attraction between moving iron core 14 and the end socket 17; Between moving iron core 14 and the static iron core 15 spring 16 is set, Sealing 38 is connected as a single entity with moving iron core 14 through its joint 386, and the sealed department 387 of Sealing 38 is over against outer pipe 12; Moving iron core 14 can to-and-fro motion sleeve pipe 13 in, thereby valve port 101 is opened or sealed to drive Sealing 38.
During coil 20 energisings; Under the effect of electromagnetic force; The elastic force that moving iron core 14 overcomes spring 16 is attracted to static iron core 15 1 ends, and the Sealing 38 with moving iron core 14 one is pressed on the valve port 101 simultaneously, at this moment solenoid closure; Medium is via inside throttling path, the valve port 101 laggard inlet/outlet pipes of inlet tube 11, Sealing 38, shown in arrow D-D among Fig. 7.During coil 20 outages; Electromagnetic force disappears; The elastic force of spring 16 makes iron core 14 separate with static iron core 15, moves to the other end and withstands magnetism resistent ring 19, and the Sealing 38 with moving iron core 14 one leaves valve port 101 simultaneously; Solenoid valve is opened, and medium gets into outer pipe 12 via the chamber 21 in inlet tube 11, the valve seat 10, valve port 101.
Above-described structure and embodiment one are similar, and difference is the internal structure of Sealing.The internal structure of said Sealing 38 as shown in Figure 8; Comprise: the joint 386 that links to each other with moving iron core 14, over against the Sealing sealed department 387 of outer pipe, and on the Sealing 38 towards first accommodating part 388 of valve seat chamber 21; Be used to place filter member 381; Have second accommodating part 389 over against outer pipe 12 at Sealing 38 1 ends, be used to place described end noise elimination part 385, said inlet tube (11) and outer pipe (12) are at the inner throttling path that forms of Sealing (38); Comprise the filter member 381 that sets gradually in the said throttling path; First throttle path 382a, 382b, middle noise elimination part 383a, 383b, the second throttling path 384 and end noise elimination part 385a and 385b and be uniformly distributed with the pad 390 of through hole.Because therefore the inside throttling path that Sealing 38 has has been realized under closed state, still having MEDIA FLOW to cross solenoid valve, solenoid valve plays the effect of throttling to MEDIA FLOW.
Wherein, filter member 381 is positioned at the side of Sealing 38 and blocks the outside of throttling path 382a, 382b, and the porous material bigger by porosity ratio constitutes, and is used for the impurity particle of filter medium; First throttle path 382a, 382b are filtered part 381 and cover towards the cross section of filter member, and the long-pending sectional area greater than first throttle path 382a, 382b of the passage sections of filter member, are the long-pending 3-5 of first throttle passage sections times even more; First throttle path 382a and 382b medium throttling to flowing into; The cross section is that the middle noise elimination part 383 of rectangle is divided into two-part: 383a, 383b; By the less porous material of porosity ratio constitute and also the porosity ratio of noise elimination part 383a less than the porosity ratio of 383b, the medium after throttling path 382a, 382b throttling flows through the middle noise elimination part 383a of smaller aperture earlier, flow through again more macroporous in the middle of noise elimination part 383b; The fluid of upsetting is by twice refinement and rectification, thereby reduced the noise that flows; The MEDIA FLOW warp second throttling path 384 second throttles through middle noise elimination part 383; Flowing into the cross section then is the end noise elimination part 385 of isosceles trapezoid, is used for once more MEDIA FLOW noise reduction after the throttling, and described end noise elimination part 385 is divided into two-part: 385a, 385b; Also constitute by the less porous material of porosity ratio; And the porosity ratio of noise elimination part 384a is less than the porosity ratio of 383b, and the medium after 384 throttlings of the second throttling path flows through the middle noise elimination part 385a of smaller aperture earlier, flow through again more macroporous in the middle of noise elimination part 385b; The fluid of upsetting is by twice refinement and rectification, thereby further reduced the noise that flows; The medium that last end noise elimination part 385 flows out gets into outer pipe 12 through the through hole on the pad 390; The porosity ratio of the porous material of filter member 381 guarantees that MEDIA FLOW gets into the less noise elimination part in aperture through filter member earlier again, in case long-term operation makes blocked path greater than the porosity ratio of noise elimination part in the middle of said 383 and end noise elimination part 385.
The joint 386 of Sealing and sealed department 387 are linked together by interference fit; Secures 381 and middle noise elimination part 383 between them; End noise elimination part 385 is fixed through the retaining washer 390 that is crimped on sealed department 387 ports with pad 390; Pad 390 is for metal material and be furnished with a plurality of through holes, is used for circulation medium and blocks inner parts such as noise elimination part.
In addition; First throttle path 382a, 382b are filtered 381 of parts and cover fully towards the cross section of filter member; And the long-pending sectional area of the passage sections of filter member greater than the first throttle path; Even the filter member top layer over against first throttle path 382 is stopped up by impurity, MEDIA FLOW still can be flow through by the path of other parts of filter member, thereby has guaranteed the reliability of long-term operation.If filter member 381 surface sediment impurity, during coil blackout, solenoid valve is opened, and the big flow medium through solenoid valve can have the effect of washing away to the filter member surface, thereby the impurity of piling up is taken away, and keeps the unimpeded of Sealing 38 internal paths.
In the solenoid valve that present embodiment discloses; MEDIA FLOW is through internal path process " filtration-throttling-noise reduction-throttling-noise reduction " process of Sealing 38; Noise reduction through secondary fully reduces mobile noise, and erasure effect obviously is superior to the process of " filtration-throttling-noise reduction " in the existing technology, and the cross section of end noise elimination part 385a and 385b is isosceles trapezoid simultaneously; In the inner limited space of Sealing 38, enlarged the area of passage of noise elimination part; MEDIA FLOW can be by refinement more fully, rectification through more aperture, and erasure effect further improves.
Above-described noise elimination part 383,385 constitutes by the different porous material of two-part porosity ratio; Also can constitute by the porous material more than two-part; Porosity ratio is according to ascending order stack discharging, and multiple fractionation carries out refinement, the rectification of MEDIA FLOW, improves the effect of noise reduction.For example Fig. 9 is the internal structure schematic representation of another kind of Sealing, and is as shown in Figure 9, and end noise elimination part 485 cross sections of Sealing 48 are for falling T-shape and be divided into three part 485a, 485b and 485c; Constitute by the porous material; That porosity ratio is minimum is 485a, and that bigger is 485b, and that maximum is 485c; The medium of the end noise elimination part 485 of flowing through divides three grades to carry out refinement, rectification, has further reduced the noise of throttling.
Need to prove; Having disclosed noise elimination part in the present embodiment is made up of the porous material of two-part, three part different porosities; But be not limited thereto; Those skilled in the art are prone to know by inference, every in the middle of noise elimination part and end noise elimination part by the porous material of two-part or the above different porosities of two-part, the ascending stack of porosity ratio is arranged at the interior structure of the internal path of Sealing all within protection domain of the present invention.
The vertical section that has disclosed the end noise elimination part among the embodiment one, two respectively is for falling T-shape, isosceles trapezoid; But also be not limited thereto; Those skilled in the art are prone to know by inference; The solid of rotation that other cross sectional areas increase gradually also can be used as the end noise elimination part, equally also within protection scope of the present invention.
Embodiment three
In the electromagnetic valve structure that present embodiment disclosed, the inner throttling path of Sealing adopts and above two embodiment's different embodiment, below with reference to description of drawings.
Figure 10 is the structural representation under the valve opening solenoid valve state in the present embodiment, and Figure 11 is the structural representation of solenoid valve Sealing in this enforcement.
Solenoid valve shown in figure 10 comprises: valve seat 10 is arranged on the valve port 101 on the valve seat, through the fixing medium inlet 11 and outer pipe 12 of valve seat 10; With the sleeve pipe 13 that valve seat 10 fuses, valve seat becomes chamber 21 with sleeve-shaped, the coil 20 outside the sleeve pipe 13; Be used to produce electromagnetic force during energising, be provided with moving iron core 14 and static iron core 15 in the sleeve pipe 13, moving iron core 14 is provided with magnetism resistent ring 19; End socket 17 is used for spacing moving iron core 14, and magnetism resistent ring 19 is used to separate the electromagnetic attraction between moving iron core 14 and the end socket 17, the spring 16 that is provided with between moving iron core 14 and the static iron core 15; Sealing 58 is connected as a single entity with moving iron core 14 through its joint 586; The sealed department 587 of Sealing 58 is over against outer pipe 12, and moving iron core 14 can to-and-fro motion sleeve pipe 13 in, thereby drive Sealing 58 leaves or seal valve port 101.
During coil 20 energisings; Under the effect of electromagnetic force; Moving iron core 14 overcomes the elastic force and static iron core 15 adhesives of spring 16, and the Sealing 58 with moving iron core 14 one is pressed on the valve port 101 simultaneously, at this moment solenoid closure; Medium is via inside throttling path, the valve port 101 laggard inlet/outlet pipes of inlet tube 11, Sealing 58, shown in arrow E-E among Figure 10.During coil 20 outages; Electromagnetic force disappears; The elastic force of spring 16 makes iron core 14 separate with static iron core 15, moves to the other end and withstands magnetism resistent ring 19, and the Sealing 58 with moving iron core 14 one leaves valve port 101 simultaneously; Solenoid valve is opened, and medium gets into outer pipe 12 via the chamber 21 in inlet tube 11, the valve seat 10, valve port 101.
Above structure and aforesaid embodiment are similar, and difference is that the throttling path of the inside of Sealing 58 is a conical bore.Shown in figure 11; Said Sealing 58 comprises: the joint 586 that links to each other with moving iron core 14; Over against the Sealing sealed department 587 of outer pipe 12, and on the Sealing 58 towards first accommodating part 588 of valve seat 10 chambers 21, be used to place filter member 581; Has second accommodating part 589 at Sealing 58 1 ends over against outer pipe; Be used to place described end noise elimination part 585, said inlet tube (11) and outer pipe (12) comprise the filter member 581 that sets gradually at the Sealing 58 inner throttling paths that form in the said throttling path; Two first throttle path 582a, 582b, middle noise elimination part 583, the second throttling path 584 and end noise elimination part 585 and be uniformly distributed with the pad 590 of through hole.Because therefore the inside throttling path that Sealing 58 has has been realized under closed state, still having MEDIA FLOW to cross solenoid valve, solenoid valve plays the effect of throttling to MEDIA FLOW.
Wherein, The second throttling path 584 becomes big conical bore gradually for diameter; The diameter of first throttle path 582a, 582b is greater than the maximum diameter of the second throttling path 584; And said each throttling path constitutes " filtration-throttling-noise reduction-throttling-throttling-noise reduction " path with filter member 581, middle noise elimination part 583, end noise elimination part 585, and two structures that the throttling passage diameters is amplified step by step can also further reduce the noise that fluid passes through in the time of to the medium throttling; Also can first throttle path 582a, 582b is set to diameter and becomes big cone joint discharge orifice gradually, can realize reducing the effect of fluid through noise equally.
The joint 586 of Sealing and sealed department 587 are linked together by interference fit; Simultaneously secures 581, middle noise elimination part 583 between them; End noise elimination part 585 is fixed through the retaining washer 590 that is crimped on sealed department 587 ports with pad 590; Pad 590 is for metal material and be uniformly distributed with a plurality of through holes, is used for circulation medium and blocks inner parts such as noise elimination part.
Need to prove; Present embodiment has disclosed the structure that first throttle path and/or the second throttling path are divided into conical bore; But being not limited thereto those skilled in the art should be easy to know by inference; The throttling path is divided into more than two sections, also belongs to protection scope of the present invention according to the descending structure that is arranged in order of diameter.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art; Do not breaking away under the technological scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technological scheme of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technological scheme of the present invention, all still belongs in the scope of technological scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (11)
1. solenoid valve; Comprise: valve seat (10) is arranged at the valve port (101) on the valve seat (10), through valve seat (10) fixing medium inlet (11) and outer pipe (12); The sleeve pipe (13) that fuses with valve seat (10); The chamber (21) that sleeve pipe and valve seat form, moving iron core (14) and static iron core (15) in the coil (20) that sleeve pipe (13) is outer, sleeve pipe (13); The spring (16) that is provided with between moving iron core (14) one ends and the static iron core (15); And, it is characterized in that said Sealing (28) comprising: the joint (286) that links to each other with moving iron core (14) through the Sealing (28) of joint (286) with moving iron core (14) one; Sealed department (287) over against outer pipe (12); And filter member (281) and Sealing (28) go up towards first accommodating part (288) that is used to place filter member (281) of chamber (21), on the sealed department (287) of end noise elimination part (285) and Sealing (28) over against second accommodating part (289) that is used to place end noise elimination part (285) of outer pipe, under the solenoid closure state; Said inlet tube (11) and outer pipe (12) form path through Sealing (28), comprise filter member (281), first throttle path (282), middle noise elimination part (283), the second throttling path (284) and end noise elimination part (285) that sets gradually and the pad (290) that has through hole in the said path at least; Said end noise elimination part (285) is the solid of rotation that cross sectional area increases along the media flow direction.
2. solenoid valve according to claim 1; It is characterized in that: said filter member (281) is made up of the porous material; Said first throttle path (282) is filtered part and covers towards the cross section of filter member (281), and the long-pending sectional area greater than first throttle path (282) of the passage sections of filter member (281).
3. solenoid valve according to claim 1 and 2; It is characterized in that: the said second throttling path (284) is covered by middle noise elimination part (283) with the contacted cross section of said middle noise elimination part (283), and the long-pending sectional area greater than the second throttling path (284) of the passage sections of middle noise elimination part (283).
4. solenoid valve according to claim 1 and 2 is characterized in that: said filter member (281) is a ring.
5. solenoid valve according to claim 1 is characterized in that: said end noise elimination part (285) becomes the solid of rotation of T-shape for the vertical section that is made up of the porous material.
6. solenoid valve according to claim 1 is characterized in that: said end noise elimination part (285) becomes the solid of rotation of isosceles trapezoid for the vertical section that is made up of the porous material.
7. according to claim 5 or 6 described solenoid valves; It is characterized in that: said end noise elimination part (285) or middle noise elimination part (283) are made up of the porous material solid of rotation of two different porosities respectively at least, and said solid of rotation stacks according to the ascending order of porosity ratio.
8. solenoid valve according to claim 1 is characterized in that: the porosity ratio of the porous material of said filter member (281) is greater than the porosity ratio of noise elimination part (283) in the middle of said and end noise elimination part (285).
9. solenoid valve according to claim 1 is characterized in that: the said first throttle path (282) or the second throttling path (284) become big cone shape hole gradually for diameter.
10. solenoid valve according to claim 1 is characterized in that: joint of said Sealing (286) and sealed department (287) link into an integrated entity through interference fit, and said filter member (281), middle noise elimination part (283) are fixed in the Sealing (28).
11. solenoid valve according to claim 1 is characterized in that: said end noise elimination part (285) is fixed through the pad (290) that is crimped on Sealing (28) port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810005298XA CN101520107B (en) | 2008-02-27 | 2008-02-27 | Electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810005298XA CN101520107B (en) | 2008-02-27 | 2008-02-27 | Electromagnetic valve |
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| Publication Number | Publication Date |
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| CN101520107A CN101520107A (en) | 2009-09-02 |
| CN101520107B true CN101520107B (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810005298XA Active CN101520107B (en) | 2008-02-27 | 2008-02-27 | Electromagnetic valve |
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| CN (1) | CN101520107B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812960A (en) * | 2015-10-23 | 2017-06-09 | 肯德隆（菲林根）有限公司 | Magnetic valve |
Families Citing this family (18)
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|---|---|---|---|---|
| DE102009060297A1 (en) * | 2009-12-23 | 2011-06-30 | Robert Bosch GmbH, 70469 | Solenoid valve and driver assistance device |
| CN102192358B (en) * | 2010-03-09 | 2014-03-12 | 浙江三花股份有限公司 | Solenoid valve |
| CN102954272B (en) * | 2011-08-31 | 2014-04-02 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN104154298B (en) * | 2014-07-31 | 2017-02-01 | 瑞安市洛伊德机车部件有限公司 | Electromagnetic gas valve |
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| CN106369208A (en) * | 2016-08-31 | 2017-02-01 | 浙江新三荣制冷有限公司 | Mute electronic expansion valve |
| CN108119697A (en) * | 2016-11-28 | 2018-06-05 | 浙江三花智能控制股份有限公司 | Electric expansion valve and with its refrigeration system |
| JP6505151B2 (en) * | 2017-03-23 | 2019-04-24 | 株式会社不二工機 | Flow control valve |
| JP6959900B2 (en) * | 2018-10-03 | 2021-11-05 | 株式会社鷺宮製作所 | Valve gear, motorized valves and refrigeration cycle system |
| JP7466485B2 (en) | 2021-03-24 | 2024-04-12 | 株式会社鷺宮製作所 | Motor-operated valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783060Y (en) * | 2005-03-30 | 2006-05-24 | 浙江三花股份有限公司 | Flow saving low noise normally open electromagnetic valve |
-
2008
- 2008-02-27 CN CN200810005298XA patent/CN101520107B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783060Y (en) * | 2005-03-30 | 2006-05-24 | 浙江三花股份有限公司 | Flow saving low noise normally open electromagnetic valve |
Non-Patent Citations (6)
| Title |
|---|
| JP特开2003-202167A 2003.07.18 |
| JP特开2004-360708A 2004.12.24 |
| JP特开2005-3114A 2005.01.06 |
| JP特开2005-55119A 2005.03.03 |
| JP特开2005-9762A 2005.01.13 |
| JP特开2006-10245A 2006.01.12 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812960A (en) * | 2015-10-23 | 2017-06-09 | 肯德隆（菲林根）有限公司 | Magnetic valve |
| CN106812960B (en) * | 2015-10-23 | 2020-09-11 | 肯德隆（菲林根）有限公司 | Electromagnetic valve |
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| Publication number | Publication date |
|---|---|
| CN101520107A (en) | 2009-09-02 |
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Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Liquan village of Zhejiang County in Xinchang Province town under Patentee before: Zhejiang Sanhua Co., Ltd. |