CN102235538B - Magnetic valve - Google Patents
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- CN102235538B CN102235538B CN201010162430.5A CN201010162430A CN102235538B CN 102235538 B CN102235538 B CN 102235538B CN 201010162430 A CN201010162430 A CN 201010162430A CN 102235538 B CN102235538 B CN 102235538B
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Abstract
The invention discloses a magnetic valve which is characterized in that a piston seat (13) is supported in the valve cavity of a magnetic valve seat (6), wherein a piston cavity (131) used for installing a piston part (3) of the magnetic valve is arranged on the piston seat (13), and an opening which is opposite to a main valve port (21) of the magnetic valve is arranged on the piston cavity (131); the piston part (3) can perform reciprocating motion in the piston cavity (131) so as to selectively open or close the main valve port (21); and a channel (14) which is communicated with a refrigerant inlet (11) and the main valve port (21) is arranged between the circumferential side wall of the piston seat (13) and the corresponding inner wall of the valve seat (6). The magnetic valve provided by the invention has the following advantages: due to the channel structural design, the flow resistance is small when a fluid flows, so that the required flow can be obtained by using the relatively smaller main valve port, thus the manufacturing cost is lowered and the structure is miniaturized.
Description
Technical field
The present invention relates to flow control component technical field, particularly a kind of guide electromagnetic valve controlling fluid flowing.
Background technique
At refrigeration technology field, solenoid valve is the cold medium flux controlling component of chiller plant, and its working procedure is generally: along with energising or the power-off of coil, and solenoid valve opens or cuts out in the chiller plant systems such as air-conditioning, thus controls circulation and the interruption of refrigerant.Certainly, the Applicable scope of solenoid valve is not limited in above-mentioned refrigeration technology field, such as, is also widely used in Hydraulic Field.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of typical solenoid valve in prior art; Fig. 2 is the structural representation of the valve seat of solenoid valve in Fig. 1.
As shown in Figure 1, solenoid valve comprises main valve, pilot valve, inlet tube 4 ', outer pipe 5 ' and is set in the electromagnetic coil (not shown in FIG.) of pilot valve outside.Main valve comprises valve seat 1 ', be arranged in the piston element 3 ' of the valve pocket of valve seat 1 ' and be positioned at the end cap 2 ' of valve seat 1 ' top.Valve seat 1 ' is provided with primary valve 1 ' 3, and along with rising or the decline of piston element 3 ', piston element 3 ' is opened or closed primary valve 1 ' 3, thus achieves conducting and the interruption of inlet tube 4 ' and outer pipe 5 '.
As shown in Figure 2, valve seat 1 ' is provided with refrigerant import 1 ' 1 and refrigerant exit 1 ' 2, and refrigerant import 1 ' 1 is communicated with inlet tube 4 ', and refrigerant exit 1 ' 2 is communicated with outer pipe 5 '.As shown in Figure 2, the axis of refrigerant import 1 ' 1 and refrigerant exit 1 ' 2 all with the axes normal of primary valve 1 ' 3, the flow direction of fluid in solenoid valve inside is as shown by arrows in FIG..
As shown by the arrows in Figure 2, through four 90 ° of turnovers, thus very large flow resistance to be defined in solenoid valve inside when fluid flows through solenoid valve inside.Given this, in order to ensure the flow required for acquisition, need the area increasing primary valve 1 ' 3; After the area increase of primary valve 1 ' 3, correspondingly, the area of the piston element 3 ' opened or close primary valve 1 ' 3 also will increase.The two area increases the increase that can cause manufacture cost on the one hand, is also unfavorable for the miniaturization of structure on the other hand.In addition, the increase of the two area, when piston element 3 ' closes primary valve 1 ' 3, the leakage rate of the two can increase, and thus can reduce sealability therebetween.
Given this, how reducing the flow resistance of solenoid valve inside, thus use relatively little primary valve just can obtain required flow, and then reduce manufacture cost and make miniaturized structure, is the problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of solenoid valve, the structural design of this solenoid valve makes fluid have less flow resistance when flowing, thus use relatively little primary valve just can obtain required flow, and then manufacture cost can be reduced and make miniaturized structure.
For solving the problems of the technologies described above, the invention provides a kind of solenoid valve, comprising main valve body, pilot valve components, described main valve body comprises the valve seat being provided with valve pocket, and described main valve body is provided with the refrigerant import be communicated with described valve pocket; Described solenoid valve also has primary valve, described valve pocket inner support is provided with piston seat, described piston seat is provided with piston cavity, described piston cavity accommodates piston element, and described piston cavity is provided with the opening relative with described primary valve position, the to-and-fro motion in described piston cavity of described piston element, selectively to open or to close described primary valve; Between the circumferential side wall of described piston seat and the inwall of corresponding described valve seat, there is the runner being communicated with described refrigerant import and described primary valve.
Preferably, the reciprocating direction of described piston element is consistent with the direction of described runner.
Preferably, described solenoid valve also comprises the end cap coordinated with described valve seat, and described primary valve is arranged at described end cap.
Preferably, described piston seat is also provided with equalizing orifice, and described piston cavity is communicated with described refrigerant import or described valve pocket by described equalizing orifice.
Preferably, described equalizing orifice is arranged at the diapire of the close described refrigerant import of described piston seat.
Preferably, described solenoid valve also comprises joint, and described joint connects the sidewall portion of described piston seat and described valve seat and supports described piston seat.
Preferably, described joint comprises the diapire of the supporting portion extended to piston seat direction from the sidewall portion of described valve seat and the piston seat be connected with described supporting portion.
Preferably, described supporting portion is provided with the positioning reference plane concentric with described piston cavity.
Preferably, described solenoid valve also comprises pilot passage, and described pilot passage one end is communicated with described piston cavity, and the other end is communicated with the outlet of described solenoid valve, and described pilot passage can optionally be opened or be closed to described pilot valve components.
Preferably, described pilot passage arranges or is partly arranged in described joint.
Preferably, described piston element is provided with positioning shaft, and the diapire of described piston seat is provided with the positioning hole coordinated with described positioning shaft.
Preferably, the axis of described refrigerant import and the axis collinear or parallel of described primary valve.
On the basis of existing technology, joint is provided with in the valve pocket of solenoid valve provided by the present invention, described joint makes the sidewall portion of piston seat and valve seat link together, the piston cavity for holding described piston element is provided with in piston seat, and described piston cavity is provided with the opening relative with described primary valve position, described piston element can move back and forth under control in described piston cavity; Wherein, the bottom wall portion of described piston seat is also a part for joint in fact; In addition, described piston seat the circumferential side wall except joint and there is between the inwall of corresponding described valve seat the runner being communicated with described refrigerant import and described primary valve.
From said structure, when piston element opens primary valve, fluid directly enters the runner between the circumferential side wall of piston seat and valve base inner wall by refrigerant import, and enters primary valve by described runner again, and then enters in the outer pipe of the solenoid valve be communicated with primary valve.Obviously, will be equivalent to the structural design of 90 ° of turnovers through four times relative to fluid in prior art, the present invention considerably reduces fluid turnover number of times and turning angle, and the flow resistance that thus fluid is subject to significantly reduces.
Because flow resistance obviously reduces, thus use less primary valve just can obtain required flow; The area of primary valve reduces, and the area of the piston element of thus closing or opening primary valve also reduces accordingly, and then reduces manufacture cost and make miniaturized structure.In addition, the reduction of the area of primary valve and piston element, when piston element closes primary valve, the leakage rate of the two can reduce, and thus improves sealability therebetween.
In sum, solenoid valve provided by the present invention makes fluid have less flow resistance when flowing, thus uses relatively little primary valve just can obtain required flow, and then reduces manufacture cost and make miniaturized structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of typical solenoid valve in prior art;
Fig. 2 is the structural representation of the valve seat of solenoid valve in Fig. 1;
Fig. 3 is the main pseudosection of solenoid valve in an embodiment of the present invention;
Fig. 4 is the top plan view of solenoid valve in Fig. 3 embodiment;
Fig. 5 is the structural representation of the valve seat of solenoid valve in Fig. 3 and Fig. 4;
Fig. 6 is the main pseudosection of valve seat in Fig. 5;
Fig. 7 is the top plan view of valve seat in Fig. 5.
Embodiment
Core of the present invention is to provide a kind of solenoid valve, the structural design of this solenoid valve makes fluid have less flow resistance when flowing, thus use relatively little primary valve just can obtain required flow, and then manufacture cost can be reduced and make miniaturized structure.
In order to make those skilled in the art understand technological scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 3, Fig. 4, Fig. 3 is the main pseudosection of solenoid valve in an embodiment of the present invention; Fig. 4 is the top plan view of solenoid valve in Fig. 3 embodiment.
In this embodiment, solenoid valve provided by the present invention, comprises the valve seat 6 being provided with valve pocket, and described valve seat 6 is provided with the refrigerant import 11 be communicated with described valve pocket, and refrigerant import 11 is communicated with the inlet tube 4 of solenoid valve; Described solenoid valve also comprises primary valve 21 and is positioned at the piston element 3 of described valve pocket; Piston element 3 can to-and-fro motion under control, selectively to open or to close primary valve 21; It should be noted that at this, described valve seat is roughly columniform solid of rotation, and refrigerant import 11 is offered along the axis of valve seat 6.The profile of valve seat 6 also can be that other shape is as square or hexagon in addition.
On the basis of such scheme, as shown in the figure, be provided with joint further in described valve pocket, joint makes linking together with the sidewall portion of described valve seat 6 for the piston seat 13 placing piston element 3 in the valve pocket of valve seat 6; Described valve seat 6 is also provided with piston cavity 131 further in valve pocket, particularly, piston cavity 131 is located at the inner chamber of piston seat 13, wherein diapire 134 part of the close refrigerant import 11 of piston seat 13 belongs to joint and plays a connection function, this diapire 134 part forms joint together with the supporting portion of joint, thus piston seat 13 is linked together with the sidewall portion of valve seat.
Piston cavity 131 is provided with the opening relative with primary valve 21 position, and piston element 3 is located in piston cavity 131 by described opening, and piston element 3 can move back and forth in piston cavity 131, selectively to open or to close primary valve 21; As shown in Figure 4, the circumferential side wall of piston seat 13 has gap with between the inwall of corresponding valve seat, and described gap forms the runner 14 being communicated with refrigerant import 11 and primary valve 21.At this, it should be noted that, described gap needs enough large, instead of small gap, that is piston seat 13 external diameter will be significantly less than the internal diameter of valve seat 6 at this place, so that fluid can comparatively move smoothly through.Further, in order to reduce flow resistance further, the reciprocating direction of piston element 3 needs consistent with the direction of runner 14.
From said structure, when piston element 3 opens primary valve 21, fluid directly enters the runner 14 between the circumferential side wall of piston seat 13 and described valve base inner wall by refrigerant import 11, and enter primary valve 21 by runner 14 again, and then enter in the outer pipe 5 of the solenoid valve be communicated with primary valve 21.Obviously, will through the structural design of four 90 ° of turnovers relative to fluid in prior art, the present invention considerably reduces fluid turnover number of times and angle, and the flow resistance that thus fluid is subject to significantly reduces.
Like this, in identical fluid resistance situation, relatively can reduce the design latus rectum of primary valve 21.Because flow resistance obviously reduces, less primary valve 21 thus can be used just can to obtain required flow when requiring same through-current capacity and flow resistance; The area of primary valve 21 reduces, and the area of the piston element 3 of thus closing or opening primary valve 21 also reduces accordingly, and then reduces manufacture cost and make miniaturized structure.In addition, the area of primary valve 21 and piston element 3 reduces, and when piston element 3 closes primary valve 21, leakage rate therebetween also can correspondingly reduce, and thus can improve sealability therebetween.
In the above-described embodiments, described solenoid valve can also comprise the end cap 2 coordinated with described valve seat, and described valve seat 6 is provided with adpting flange portion 17, and this valve seat 6 is just fixed together with end cap 2 by adpting flange portion 17.Above described primary valve 21 is just located on end cap 2, and outer pipe 5 and this end cap 2 are connected and fixed, and are namely communicated with primary valve 21.In such an embodiment, primary valve 21 is located on end cap 2, and be located at the inner structural design of valve seat 1 ' relative to primary valve in prior art 1 ' 3, this structural design simplifies valve seat 6 structure, and then is convenient to the manufacture of valve seat 6.
Please refer to Fig. 5, Fig. 6 and Fig. 7, Fig. 5 is the structural representation of the valve seat of solenoid valve in Fig. 3 and Fig. 4; Fig. 6 is the main pseudosection of valve seat in Fig. 5; Fig. 7 is the top plan view of valve seat in Fig. 5.
In order to make piston element 3 can move back and forth under control in piston cavity 131, the diapire 134 of piston seat 13 can be provided with equalizing orifice 132 further, piston cavity 131 is just communicated with valve pocket by this equalizing orifice 132, or is communicated with refrigerant import 11.This kind of structural design can make the pressure in the piston cavity 131 of piston element 3 side equal the pressure of refrigerant import 11, like this in the cold situation of solenoid valve, piston element 3 is under the effect of pressure difference and the elastic force effect of elastic member, and piston element 3 moves right, and closes primary valve 21.Also elastic member is provided with in addition, particularly as piston spring 35 between piston element 3 and piston seat 13.In addition, the external diameter position coordinated with described piston cavity 131 of piston element 3 can also arrange the sealed member of ring-type, and such piston element 3 just can coordinate preferably with piston cavity 131, the generation requirement of pressure difference during to meet piston element 3 action.Further, in order to meet the sealability requirement of piston element 3 and primary valve 21, at piston element 3, the primary seal parts of ring-type can also be set with the end face area of primary valve 21 fitted seal.
The structural design of above-described embodiment achieves piston element 3 and moves right thus the function of closing primary valve 21, on this basis, so how allow primary valve 21 open again? to this, following design can be made:
In order to ensure the normal unlatching of solenoid valve, solenoid valve can be provided with pilot valve chamber 16 further in the circumferential side wall of described valve seat 6, particularly, this pilot valve chamber 16 is the extending parts in a supporting portion 16 of the joint of valve seat 6 and the radial direction of supporting portion 16 thereof in the present embodiment.The pilot valve of solenoid valve is just located in this pilot valve chamber 16.Further, pilot valve chamber 16 diapire is provided with pilot valve mouth 162, pilot valve chamber 16 is also provided with the first passage 161 be communicated with piston cavity 131 in addition, and first passage 161 is radial design in this embodiment, and pilot valve chamber 16 is connected with piston cavity 131 by the import of pilot valve, first passage 161; In addition, described valve seat 6 is also provided with the second channel 151 being communicated with pilot valve mouth 162 and outer pipe 5, and second channel 151 can be axial design, also can have certain gradient with axial.Like this, the outlet of pilot valve is connected with the outlet of solenoid valve by pilot valve mouth 162; In order to ensure the normal work of solenoid valve, described pilot valve is also provided with sealing plug 61, and sealing plug 61 is selectively opened or closed pilot valve mouth 162.When solenoid valves, sealing plug 61 leaves pilot valve mouth 162 under the drive of electromagnetic force suffered by core iron 64, pilot valve chamber is by pilot valve mouth 162 and outlet, further, piston cavity 131 is connected with the outlet of solenoid valve by first passage 161, second channel 151, the pressure of such piston cavity 131 is lower than the pressure of the valve pocket be communicated with refrigerant import 11, such piston element 3 overcomes the elastic force of piston spring 35 and leaves primary valve 21 under the effect of pressure difference, and solenoid valve is held open state.
Particularly, the working condition of solenoid valve is as follows, and as shown in Figure 3 and Figure 6, first passage 161, pilot valve mouth 162, second channel 151 define the pilot passage of solenoid valve.When solenoid valves, core iron 64 moves to head members 62 direction under the effect of electromagnetic force, the sealing plug 61 of described pilot valve leaves pilot valve mouth 162 under the drive of core iron 64, and pilot valve mouth 162 is opened, and piston cavity 131 is communicated with outer pipe 5 by above-mentioned pilot passage.Bore due to above-mentioned pilot passage is obviously greater than the bore of equalizing orifice 132, the pressure of the piston cavity 131 thus now on the left of piston element 3 is close to the pressure in outer pipe 5, because outer pipe 5 place is relatively low pressure end, the pressure thus in piston cavity 131 is relatively little.It should be noted that at this, described pilot passage is arranged or part is arranged in described joint, refers to that this pilot passage can be all located in the joint of the diapire 134 comprising supporting portion 15 and piston seat; Certainly, because the diapire 134 of the sidewall portion of valve seat 6, supporting portion and piston seat can be structure as a whole, thus, part pilot passage can also be had to be located in the sidewall portion of valve seat 6, in other words, described pilot passage can be partly located in described joint.
Now, the fluid of being come in by refrigerant import 11 enters valve pocket, and enter at primary valve 21 outer circumferential and the cavity between piston element 3 and end cap 2, because refrigerant import 11 place is high voltage terminal, thus the right side of piston element 3 is high voltage terminal, pressure on the right side of piston element 3 overcomes the pressure in piston element 3 left hand piston chamber 131 and the elastic force of spring, promotes piston element 3 to left movement, thus achieves primary valve 21 and open.The elementary process of fluid flowing is: the fluid of being come in by refrigerant import 11, by the runner 14 between piston seat 13 and valve seat, enters primary valve 21, and then flows in the outer pipe 5 that is communicated with primary valve 2.
When solenoid valve no electric circuit, core iron 64 moves to the direction away from end socket 62 under the effect of the spring force of returning spring 63, pilot valve mouth 162 closed by the sealing plug 61 of described pilot valve under the drive of core iron 64, piston cavity 131 interruption is communicated with outer pipe 5 low voltage terminal, and under the effect of equalizing orifice 132, the pressure in piston cavity 131 slowly raises, finally equal the pressure of refrigerant import 11 high voltage terminal, thus under the effect of pressure difference, piston element 3 moves right, and primary valve 21 is closed.
Further, end cap 2 can also be provided with third channel 22, and third channel 22 is conducive to outlet and is connected with the second channel 151 of pilot valve, and such second channel 151 is communicated with outer pipe 4 by the third channel 22 on end cap 2.Certainly, also can be directly be processed into by second channel 22 in valve seat and export the mode be directly communicated with, just carry out now processing combination like this, the independent processing of each component be more convenient, and manufacture cost is also relatively low.
Please refer to Fig. 5, in the above-described embodiments, the joint in described valve pocket comprises the supporting portion 15 of the diapire 134 of piston seat 13 and the sidewall portion of connecting valve seat 6 and piston seat 13, and described valve seat 6 is just by this supporting portion 15 support piston seat 13.As shown in Fig. 3, Fig. 5, Fig. 6, the supporting portion 15 in the present embodiment is symmetrically arranged with two, but is not limited to this, and in order to improve support performance, supporting portion 15 can also be three, four or more.More than supporting portion 15, support performance is better, but will increase flow resistance, and processing also bothers relatively.Supporting portion 15 also can be one in addition, and such advantage is easy to process, but supporting effect may be relatively a bit weaker, goes for some systematic comparisons like this and stablizes, shakes in less solenoid valve.Thus the magnitude setting of supporting portion 15, set-up mode will consider the many-side such as impact of the requirement of system, support performance, processibility and fluid flow.In addition supporting portion 15 be herein actually one have one fixed width, certain thickness and with the sidewall portion of valve seat 6, the structure of piston seat 13 one.
On the basis being provided with supporting portion 15, as shown in Figure 5, herein the pilot valve path described in embodiment just can be located on this supporting portion 15, also can be arranged in addition on position that this supporting portion 15 extends radially outwardly.That is pilot valve mouth 162, first passage 161 and second channel 151 all can be opened on one of them supporting portion 15.Supporting portion 15 not only has the function of support piston seat 13, but also be the parts of the pilot passage that solenoid valve is set, obviously, this design optimization structure, avoid at piston seat 13 and pilot valve, the load-bearing component offering pilot valve path between pilot valve and the outlet of solenoid valve more separately, thus simplify the structure, reduce cost.
Further, as shown in Figure 6, described valve seat 6 is for the supporting portion 15 of support piston seat 13 can be provided with the positioning reference plane 152 concentric with piston element 2 again, like this, when the concentricity of valve seat 6, end cap 2 is ensured, concentricity between piston element 13 and the primary valve of end cap have also been obtained guarantee, and the peripheral side that positioning reference plane 152 and end cap 2 stretch in described valve pocket coordinates.This structural design to achieve between end cap 2 and valve seat 6 location diametrically easily, and reliability is higher.
Please refer to Fig. 7, the diapire 134 of piston seat 13 can be provided with positioning hole 133 further, and piston element 3 is provided with the positioning shaft 31 matched with positioning hole 133.This structural design can make piston element 3 in movement process vertically, moves more stable, and makes piston element 3 be difficult to offset diametrically, thus ensures coordinating between piston element 3 and the primary valve 21 of end cap 2.In addition, radial location between piston element 3 and piston seat 13 can also adopt other orientation types, as arranged guiding rib at piston seat 13 inwall, the guiding groove or contrary setting etc. that match correspondingly are set at the outer wall of piston element 3, the positioning requirements of the radial direction between both can be met.
Please also refer to Fig. 4 and Fig. 7, on the basis of above-described embodiment, concrete setting can also be made to the position of refrigerant import 11.Such as, the axis of refrigerant import 11 and the axis collinear of primary valve 21, or both axis being parallel, and spacing is less.Obviously, this structural design can reduce flow resistance further.Certainly, as shown in Figure 4, the sectional shape of runner 14 is roughly circular, and in order to reduce flow resistance further, the aperture of refrigerant import 11 needs the internal diameter being greater than circular runner 14, and in other words, the aperture of refrigerant import 11 needs the external diameter being greater than piston seat 13.In addition, the axis of refrigerant import 11 and the axis of primary valve 21 can be arranged in parallel, particularly, valve seat 6 and refrigerant import 11 are deviated, and make the position of departing from that the supporting portion 15 of joint is set, and refrigerant import 11 can be reduced to the resistance of the runner between piston seat 13 and the sidewall portion of valve seat 6.
In addition, as shown in Figure 3, except sealing plug 61, pilot valve also comprises head members 62, returning spring 63 and core iron 64.And the outside of pilot valve is also set with electromagnetic coil (not shown).When described electromagnetic coil no electric circuit, core iron 64 at the moved downward of returning spring 63, and drives sealing plug 61 to move downward, sealing plug 61 thus close pilot valve mouth 162.When described coil electricity, under the effect of electromagnetic force, core iron 64 overcomes spring force and moves upward, and drives sealing plug 61 to move upward, sealing plug 61 thus open pilot valve mouth 162.
It should be noted that, in the above-described embodiments, only make a kind of concrete setting for realizing piston element 3 reciprocating structure in piston cavity 131, and the other structure that can realize this function also should within protection scope of the present invention.
Above a kind of solenoid valve provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a solenoid valve, comprises main valve body, pilot valve components, and described main valve body comprises the valve seat (6) being provided with valve pocket, and described main valve body is provided with the refrigerant import (11) be communicated with described valve pocket, described solenoid valve also has primary valve (21), it is characterized in that, described valve pocket inner support is provided with piston seat (13), described piston seat (13) is provided with piston cavity (131), described piston cavity (131) accommodates piston element (3), and described piston cavity (131) is provided with the opening relative with described primary valve (21) position, described piston element (3) to-and-fro motion in described piston cavity (131), selectively to open or to close described primary valve (21), between the circumferential side wall of described piston seat (13) and the inwall of corresponding described valve seat (6), there is the runner (14) being communicated with described refrigerant import (11) and described primary valve (21), described solenoid valve also comprises the end cap (2) coordinated with described valve seat (6), described primary valve (21) is arranged at described end cap (2), described valve seat (6) is provided with adpting flange portion (17), and described adpting flange portion (17) is positioned at the outside of described valve seat (6), described valve seat (6) is just fixed by described adpting flange portion (17) and described end cap (2), described piston element (3) is provided with positioning shaft (31), and the diapire (134) of described piston seat (13) is provided with the positioning hole (133) coordinated with described positioning shaft (31).
2. solenoid valve as claimed in claim 1, it is characterized in that, the reciprocating direction of described piston element (3) is consistent with the direction of described runner (14).
3. solenoid valve as claimed in claim 1, it is characterized in that, described piston seat (13) is also provided with equalizing orifice (132), and described piston cavity (131) is communicated with described refrigerant import (11) or described valve pocket by described equalizing orifice (132).
4. solenoid valve as claimed in claim 3, it is characterized in that, described equalizing orifice (132) is arranged at the diapire (134) of the close described refrigerant import (11) of described piston seat (13).
5. the solenoid valve as described in as wherein arbitrary in claim 1-4, it is characterized in that, described solenoid valve also comprises joint, and described joint connects the sidewall portion of described piston seat (13) and described valve seat (6) and supports described piston seat (13).
6. solenoid valve as claimed in claim 5, it is characterized in that, described joint comprises the diapire (134) of the supporting portion (15) extended to piston seat (13) direction from the sidewall portion of described valve seat (6) and the piston seat (13) be connected with described supporting portion (15).
7. solenoid valve as claimed in claim 6, it is characterized in that, described supporting portion (15) are provided with the positioning reference plane (152) concentric with described piston cavity (131).
8. solenoid valve as claimed in claims 6 or 7, it is characterized in that, described solenoid valve also comprises pilot passage, described pilot passage one end is communicated with described piston cavity (131), the other end is communicated with the outlet of described solenoid valve, and described pilot passage can optionally be opened or be closed to described pilot valve components.
9. solenoid valve as claimed in claim 8, is characterized in that, described pilot passage is arranged or part is arranged in described joint.
10. the solenoid valve as described in any one of claim 1,2,3,4,6,7 or 9, is characterized in that, the axis of described refrigerant import (11) and the axis collinear or parallel of described primary valve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010162430.5A CN102235538B (en) | 2010-04-29 | 2010-04-29 | Magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010162430.5A CN102235538B (en) | 2010-04-29 | 2010-04-29 | Magnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102235538A CN102235538A (en) | 2011-11-09 |
| CN102235538B true CN102235538B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010162430.5A Active CN102235538B (en) | 2010-04-29 | 2010-04-29 | Magnetic valve |
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| CN (1) | CN102235538B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI738526B (en) * | 2020-09-25 | 2021-09-01 | 林士豪 | Refrigerant gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591359Y (en) * | 2002-12-04 | 2003-12-10 | 曾庆贵 | Damping wear resisting non-return valve |
| CN201003649Y (en) * | 2006-12-27 | 2008-01-09 | 北京七星华创电子股份有限公司 | Flowrate control valve |
| CN201215210Y (en) * | 2008-04-28 | 2009-04-01 | 浙江新三荣制冷有限公司 | Piston type solenoid valve |
| CN201344281Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Pilot-operated dished diaphragm solenoid valve |
| EP2143983A2 (en) * | 2008-07-07 | 2010-01-13 | Surpass Industry Co., Ltd. | Flow-rate control valve |
| CN201416664Y (en) * | 2009-01-06 | 2010-03-03 | 费斯托(中国)有限公司 | Pilot type diaphragm electromagnetic valve |
-
2010
- 2010-04-29 CN CN201010162430.5A patent/CN102235538B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591359Y (en) * | 2002-12-04 | 2003-12-10 | 曾庆贵 | Damping wear resisting non-return valve |
| CN201003649Y (en) * | 2006-12-27 | 2008-01-09 | 北京七星华创电子股份有限公司 | Flowrate control valve |
| CN201215210Y (en) * | 2008-04-28 | 2009-04-01 | 浙江新三荣制冷有限公司 | Piston type solenoid valve |
| EP2143983A2 (en) * | 2008-07-07 | 2010-01-13 | Surpass Industry Co., Ltd. | Flow-rate control valve |
| CN201416664Y (en) * | 2009-01-06 | 2010-03-03 | 费斯托(中国)有限公司 | Pilot type diaphragm electromagnetic valve |
| CN201344281Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Pilot-operated dished diaphragm solenoid valve |
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| CN102235538A (en) | 2011-11-09 |
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