CN205639793U - Solenoid valve case and have solenoid valve of this case - Google Patents
Solenoid valve case and have solenoid valve of this case Download PDFInfo
- Publication number
- CN205639793U CN205639793U CN201620117367.6U CN201620117367U CN205639793U CN 205639793 U CN205639793 U CN 205639793U CN 201620117367 U CN201620117367 U CN 201620117367U CN 205639793 U CN205639793 U CN 205639793U
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- China
- Prior art keywords
- spool
- section
- cutting portion
- spool section
- electromagnetic valve
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- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000011800 void material Substances 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a solenoid valve case, including first case section, second case section, third case section, loop through first axle journal and the 2nd journal coupling between first case section, second case section and the third case section, first case section and third case section are leaning on proximal end portion one side to be equipped with cutting portion respectively. The utility model provides a solenoid valve includes foretell case, and the case is located the inside spool chamber of valve body of this solenoid valve, is equipped with the sealing washer between case and the valve body, during case reciprocating motion, when the case section of its one end and the sealing washer of this side are sealed mutually, void formation gas passage between the cutting portion of the case section of the other end and the sealing washer of this side, the inflow and the outflow of the interior gas of the air chjamber of power supply magnet valve both sides. This kind of solenoid valve can effectively be avoided in the extraneous gas directly gets into piston place cavity, avoids in gaseous the existence of impurity to cause the wearing and tearing of piston, effectively electromagnetically operated valve's life -span.
Description
Technical field
This utility model relates to Solenoid Valve Technology field, particularly to a kind of valve core of the electromagnetic valve and have this valve
The electromagnetic valve of core.
Background technology
The spool of existing electromagnetic valve particularly two-position-five-way solenoid valve is a shaft like parts, can be at electromagnetic valve
Moving back and forth in valve body, it typically has two sections of recesses, recessed by two sections relative on these two sections of recess spools
Part is three sections of protuberances, and recess and protuberance are when valve core of the electromagnetic valve moves back and forth, with electromagnetic valve body not
Same through hole connects, it is achieved the conversion of gas circuit.But existing spool is in use, spool side and its phase
This cavity at chamber activities and is divided into the first air-pressure chamber and the second air-pressure chamber by piston even.When spool is at electricity
Under the effect of the dynamic iron core of magnetic operating portion, drive piston when move in cavity, the of close cavity side
Two air-pressure chambers generally require and directly import or air-out from electromagnetic valve is outside, thus be its make-up gas or
Discharge gas, therefore, easily causes impure air and enters inside electromagnetic valve so that electromagnetic valve is at a high speed
During motion, each parts are prone to be caused abrasion by impurity.
Utility model content
The purpose of this utility model is provide a kind of valve core of the electromagnetic valve and have the electromagnetic valve of this spool, with
When solving existing electromagnetic valve work, owing to the electromagnetic valve caused when extraneous gas enters cavity is prone to by gas
The problem of the impurity abrasion of vivo carrying.
This utility model provides the spool of a kind of electromagnetic valve, including the first spool section, the second spool section,
3rd spool section, is connected by the first axle journal between described first spool section and the second spool section, and described the
Connected by the second axle journal between two spool sections and the 3rd spool section, and described first spool section, the second valve
The diameter of core section and the 3rd spool section be more than described first axle journal and the second axle journal, described first spool section and/
Or the 3rd spool section be provided with cutting portion near the side of end, described cutting portion is at spool cross section place
Height dimension in plane is less than the first spool section and the diameter dimension of the 3rd spool section.
It is preferred that described cutting portion is to be cut away corresponding to the shape pre-set along its longitudinal side by spool
The valve core structure of part is constituted.
It is preferred that described cutting portion is that the area of section being molded in advance or casting is less than described first spool section
And/or the 3rd parts of spool section, described cutting portion is fixed with described first spool section and/or the 3rd spool section
Connect.
It is preferred that threaded between described cutting portion with described first spool section and/or the 3rd spool section or
Riveted connects.
It is preferred that described cutting portion along the length of spool axial direction more than the movement travel of spool.
It is preferred that described spool is externally provided with the sealing ring coordinated with spool, described cutting portion is axial along spool
The length in direction is equal to the movement travel of spool and the thickness sum of described sealing ring.
It is preferred that the cross section of described cutting portion cutting relative to described first spool section and/or the 3rd spool section
Face maximum total height difference is less than or equal to the radius of spool section.
It is preferred that the part that described cutting portion reduces relative to described first spool section and/or the 3rd spool section
Forming a cutting face, described cutting face is plane or curved surface or cascaded surface.
It is preferred that the cutting portion of described spool includes at least one cutting face.
This utility model additionally provides a kind of electromagnetic valve, and described electromagnetic valve includes described spool, described
Spool is positioned at the spool chamber of the valve inner of this electromagnetic valve, is provided with close between described spool and described valve body
Seal；
When the two ends of this electromagnetic valve are equipped with Electromagnetically-operating portion, the most described first spool section and the 3rd spool
Section is equipped with cutting portion, now, when described first spool section seals mutually with the sealing ring of this side in spool chamber
Time, the cutting portion of described 3rd spool section is corresponding with the sealing ring of this side in spool chamber, the 3rd spool section
Cutting portion and sealing ring between formation gas passage, space；When in described 3rd spool section with spool chamber
When the sealing ring of this side seals mutually, the cutting portion of described first spool section and the sealing ring of this side in spool chamber
Corresponding, between cutting portion and the sealing ring of the first spool section formation gas passage, space；
When one end of this electromagnetic valve is provided with Electromagnetically-operating portion, then it is positioned at the described first spool section or of this side
Three spool sections are provided with cutting portion, now, when described valve core movement to described side, place, Electromagnetically-operating portion,
Described cutting portion is corresponding with the sealing ring of this side in spool chamber, the space shape between cutting portion and sealing ring
Become gas passage；When described valve core movement to side, relative direction place, described Electromagnetically-operating portion, do not cut
Described first spool section or the 3rd spool section and spool chamber in the sealing ring of this side seal mutually.
Valve core of the electromagnetic valve and electromagnetic valve that this utility model provides arrange cutting portion by the two ends at spool,
Make it when with sealing ring inter-working, can be supplied by forming gas passage between cutting portion and sealing ring
The stream into and out of the gas in the air-pressure chamber of electromagnetic valve both sides.This kind of electromagnetic valve can be prevented effectively from outside
Gas is directly entered in the cavity of piston place, it is to avoid in gas, the existence of impurity causes the abrasion of piston, can
It is effectively improved the life-span of electromagnetic valve.
Accompanying drawing explanation
The structure chart of the valve core of the electromagnetic valve that Fig. 1 provides for this utility model preferred embodiment；
The composition structure chart of the electromagnetic valve that Fig. 2 provides for this utility model preferred embodiment.
Detailed description of the invention
For this utility model is better described, hereby with a preferred embodiment, and coordinate accompanying drawing new to this practicality
Type elaborates, specific as follows:
As it is shown in figure 1, the spool 100 of electromagnetic valve that this utility model provides, including the first spool section 110,
Second spool section the 120, the 3rd spool section 130, first spool section the 110, second spool section the 120, the 3rd
The diameter of spool section 130 is identical.By the between first spool section 110 and the second spool section 120
One axle journal 140 connects, by the second axle journal 150 between the second spool section 120 and the 3rd spool section 130
Connecting, the diameter of first axle journal the 140, second axle journal 150 is identical.Wherein, the first spool section 110,
The diameter of the second spool section the 120, the 3rd spool section 130 is more than the first axle journal 140 and the second axle journal 150
Diameter.Wherein, the first spool section 110 that the present embodiment provides is being respectively equipped with cutting near side, end
Portion 111, the 3rd spool section 130 also is being provided with cutting portion 131 near side, end；Cutting portion 111,131
Spool cross section height d in the plane be smaller in size than the first spool 110 and the 3rd spool section 130
The size of diameter D.
Cutting portion 111,131 is for cutting away spool 100 corresponding to the shape pre-set along its longitudinal side
The valve core structure of part is constituted.In the present embodiment, the cross section of cutting portion 111,131 is with cutting portion width
The valve core structure that spool cross section is cut away this cutting portion width corresponding region is constituted.That is, by the first spool
110 and the 3rd spool section 130 from cross section with one less than the string of diameter D as cut-off rule, its cross section is cut
Go a part, respectively obtain the first spool 110 and the cutting portion 111 of the 3rd spool section 130 and cutting portion
131, now, the cutting face formed after cutting is plane.The cross section of cutting portion 111,131 is relative to
The cross section maximum total height difference of one spool section and the 3rd spool section is less than or equal to the radius of spool section.This reality
Execute maximum total height difference described in example and refer to the cross section height relative to the cross section of the first spool section of cutting portion 111
Degree difference adds the cross section summation relative to the height difference in the cross section of the 3rd spool section of cutting portion 131.
The cutting portion of described spool includes that at least one cutting face, the most described maximum total height difference can be multiple
The summation of cross section relative altitude difference.Certainly, in other preferred embodiments, cutting portion can also be with
One curve is constituted along the valve core structure of spool longitudinal direction side cut away separation structure, now, is formed after cutting
Cutting face is curved surface.In other preferred embodiments, the cutting face formed after cutting can also be cascaded surface.
When this utility model does not limit cutting, cutting face is relative to the direction of spool section, and it can be with the axle of spool section
Line is parallel, it is also possible to have a certain degree, as long as the cutting face formed after Qie Xiao is formed with non-cutting tip
One can reserve place's one fixed gap when being similar to the difference in height of step to meet valve core movement and between sealing ring
Ventilating, it is all contained in scope of the present utility model.
Additionally, in other preferred embodiments, cutting portion 111,131 is the cross section being molded in advance or casting
Area is less than the first spool section and the individual components of the 3rd spool section, cutting portion and the first spool section and/or the
It is threaded connection between the end face of three spool sections or the fixing connection of mode of riveted connection.Its concrete consolidating
Determine connected mode, as the various deformation of screw thread or the concrete form of riveted connection should be included in this practicality newly
Within the scope of type.Wherein, as the cutting portion of individual components relative to the first spool section and the 3rd spool
The part that section reduces forms a cutting face, and this cutting face can be plane or curved surface, or by this cutting face
It is set to cascaded surface.Cutting face now can also be parallel with spool axial direction or the most angled, only
Place can be reserved between itself and sealing ring when the difference in height wanting cutting face and spool section can meet valve core movement
One fixed gap is ventilated.
Wherein, cutting portion 111,131 along the size of length L of the axial direction of spool more than the fortune of spool
Dynamic stroke.Preferably, spool is externally provided with several sealings that each spool section with spool is used in combination
Circle, then cutting portion is equal to the movement travel of spool and the thickness of sealing ring along length L of spool axial direction
Sum.
As in figure 2 it is shown, this utility model additionally provides a kind of electromagnetic valve, the two ends of this electromagnetic valve are equipped with
Electromagnetically-operating portion, and this electromagnetic valve includes spool 100 described above, this spool 100 is positioned at this electromagnetic valve
In spool chamber 210 within valve body 200, it is provided with many between spool 100 and the valve body in spool chamber 210
Individual sealing ring 212；Additionally, be additionally provided with multiple support 211 in this spool chamber 210, support 211 and sealing
Circle 212 be spaced for support spool 100 and realize spool 100 move back and forth time, spool 100 with
Sealing between spool chamber 210.The two ends of spool 100 connect a piston 220, wherein, piston respectively
The cavity at its place is divided into the first air-pressure chamber 221 (away from spool side) and the second air-pressure chamber 222 (to lean on by 220
Nearly spool side).
Specifically, the operation principle of the electromagnetic valve that the present embodiment provides is as follows:
This electromagnetic valve is respectively provided on two sides with junction block 230, is Electromagnetically-operating portion, works as electricity below junction block 230
During magnet valve energising, movable core 240 moves back and forth and secured core 250 phase under the effect of hot-wire coil
Support or from.Thus, movable core 240 band movable valve plug 100 moves back and forth.
When spool 100 moves to the least significant of diagram, in the 3rd spool section 130 and spool chamber 210
When sealing ring 212 phase of this side seals, now, the cutting portion 111 of the first spool section 110 and spool chamber
In 210, the sealing ring 212 of this side is corresponding, and the space between cutting portion 111 and sealing ring 212 is formed
Gas passage.During the motion of this direction, the pressure in the second air-pressure chamber 222 on the right side of piston 220 increases,
Second air-pressure chamber 222 gas enters spool chamber 210 by the gas passage formed.The now air-flow side of gas
In Xiang Rutu shown in the direction of arrow, steam vent R and steam vent S is exhausted, and air inlet P carries out air inlet,
Venthole A gives vent to anger, and venthole B air inlet.
When spool 100 moves to the leftmost position of diagram, in the first spool section 110 and spool chamber 210
When sealing ring 212 phase of this side seals, the cutting portion 131 of the 3rd spool section 130 and this side in spool chamber
Sealing ring 212 corresponding, formation gas passage, space between cutting portion 131 and sealing ring 212.
During this, spool 100 and piston 220 are when moving from right to left, and steam vent R is carried out when starting
Gas sucks, but air inlet P and venthole A channel now is closed, subsequently, when spool section and sealing
When circle comes into contact with realization sealing, venthole A and steam vent R opens, now, and the gas in A-R passage
Body, by certain pressure, the motion of accelerating piston 220 left direction, meets on the right side of piston 220
The air-breathing of the second air-pressure chamber, and by this side to setting in motion time the air that sucked by R steam vent be forced row
Go out.
So, the gas in air-pressure chamber can be discharged by the way of entering spool chamber, and when piston is to pressure
Contract the first air-pressure chamber direction motion time, the second air pressure indoor gas can be directly by the gas that formed above
Path fills into, and without directly inputting from outside, effectively prevents impurity in air to be directly entered piston
Place cavity, thus avoid impurity abrasion electromagnetic valve.
In other preferred embodiments, when electromagnetic valve only side is provided with Electromagnetically-operating portion, now, spool
100 the most only sides arrange cutting portion, namely the first spool section of spool or the 3rd spool section are provided with cutting
Portion, the spool section being provided with cutting portion is positioned at side with Electromagnetically-operating portion, and this side is provided with piston by its place
Cavity is divided into the first air-pressure chamber and the second air-pressure chamber.When valve core movement to side, place, Electromagnetically-operating portion, cut
Portion of cutting is corresponding with the sealing ring of this side in spool chamber, and the space between cutting portion and sealing ring forms gas
Path；When valve core movement to side, relative direction place, Electromagnetically-operating portion, unhewn first spool section or
It is in close contact between the sealing ring of this side in 3rd spool section and spool chamber, is formed and seal.Now, this is cut
The portion of cutting can also be for obtaining by cutting in spool section, or cutting portion is for being fixedly attached in spool section
Individual components.
Certainly, in other preferred embodiments, cutting portion can also be for cut spool cross section along section edges
The valve core structure falling preset shape corresponding region is constituted, and as cut away semicircle, cuts away the remaining valves such as sector
Core section constitutes cutting portion, as long as it meets cutting portion height less than diameter D thus for spool in spool chamber
Space is directly reserved with sealing ring.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model
Being not limited thereto, any those skilled in the art is in the technical scope that this utility model discloses, right
Deformation that this utility model is done or replacement, all should contain within protection domain of the present utility model.Cause
This, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (10)
1. the spool of an electromagnetic valve, it is characterized in that, including the first spool section, second spool section, 3rd spool section, connected by the first axle journal between described first spool section and the second spool section, connected by the second axle journal between described second spool section and the 3rd spool section, and described first spool section, the diameter of the second spool section and the 3rd spool section is more than described first axle journal and the second axle journal, described first spool section and/or the 3rd spool section are provided with cutting portion in the side near end, described cutting portion spool cross section height dimension in the plane less than the first spool section and the diameter dimension of the 3rd spool section.
The spool of electromagnetic valve the most according to claim 1, it is characterised in that described cutting portion is along its longitudinal side, spool to be cut away the valve core structure of part corresponding to the shape pre-set constitute.
The spool of electromagnetic valve the most according to claim 1, it is characterized in that, described cutting portion is that the area of section being molded in advance or casting is less than described first spool section and/or the parts of the 3rd spool section, and described cutting portion is fixing with described first spool section and/or the 3rd spool section to be connected.
The spool of electromagnetic valve the most according to claim 3, it is characterised in that between described cutting portion with described first spool section and/or the 3rd spool section, threaded or riveted is connected.
5. according to the spool of the electromagnetic valve described in claim 1 or 2 or 3, it is characterised in that described cutting portion along the length of spool axial direction more than the movement travel of spool.
The spool of electromagnetic valve the most according to claim 5, it is characterised in that described spool is externally provided with the sealing ring coordinated with spool, described cutting portion is equal to the movement travel of spool and the thickness sum of described sealing ring along the length of spool axial direction.
7. according to the spool of the electromagnetic valve described in claim 1 or 2 or 3, it is characterised in that the cross section of described cutting portion radius less than or equal to spool section poor relative to the cross section maximum total height of described first spool section and/or the 3rd spool section.
8., according to the spool of the electromagnetic valve described in claim 1 or 2 or 3, it is characterised in that the part that described cutting portion reduces relative to described first spool section and/or the 3rd spool section forms cutting face, described cutting face is plane or curved surface or cascaded surface.
9. according to the spool of the electromagnetic valve described in claim 1-4 or 6 any one, it is characterised in that the cutting portion of described spool includes at least one cutting face.
10. an electromagnetic valve, it is characterised in that described electromagnetic valve includes that the spool as described in claim 1 to 9 any one, described spool are positioned at the spool chamber of the valve inner of this electromagnetic valve, is provided with sealing ring between described spool and described valve body；
When the two ends of this electromagnetic valve are equipped with Electromagnetically-operating portion, the most described first spool section and the 3rd spool section are equipped with cutting portion, now, when described first spool section with when in spool chamber, the sealing ring of this side seals mutually, the cutting portion of described 3rd spool section is corresponding with the sealing ring of this side in spool chamber, the formation gas passage, space between cutting portion and the sealing ring of the 3rd spool section；When described 3rd spool section is with when in spool chamber, the sealing ring of this side seals mutually, and the cutting portion of described first spool section is corresponding with the sealing ring of this side in spool chamber, the formation gas passage, space between cutting portion and the sealing ring of the first spool section；
When one end of this electromagnetic valve is provided with Electromagnetically-operating portion, the described first spool section or the 3rd spool section that are then positioned at this side are provided with cutting portion, now, when described valve core movement to described side, place, Electromagnetically-operating portion, described cutting portion is corresponding with the sealing ring of this side in spool chamber, the formation gas passage, space between cutting portion and sealing ring；When described valve core movement to side, relative direction place, described Electromagnetically-operating portion, described first spool section or the 3rd spool section seal mutually with the sealing ring of this side in spool chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117367.6U CN205639793U (en) | 2016-02-05 | 2016-02-05 | Solenoid valve case and have solenoid valve of this case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117367.6U CN205639793U (en) | 2016-02-05 | 2016-02-05 | Solenoid valve case and have solenoid valve of this case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639793U true CN205639793U (en) | 2016-10-12 |
Family
ID=57078204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117367.6U Active CN205639793U (en) | 2016-02-05 | 2016-02-05 | Solenoid valve case and have solenoid valve of this case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830202A (en) * | 2017-10-25 | 2018-03-23 | 上海永瑞气动有限公司 | The electromagnetic control valve of valve core structure can be combined in multistage |
-
2016
- 2016-02-05 CN CN201620117367.6U patent/CN205639793U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830202A (en) * | 2017-10-25 | 2018-03-23 | 上海永瑞气动有限公司 | The electromagnetic control valve of valve core structure can be combined in multistage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 3, No. 3215 Yexin Road, Maogang Town, Songjiang District, Shanghai, July 2016 Patentee after: Shanghai Yongrui Fluid Technology Co.,Ltd. Country or region after: China Address before: Building 3, No. 3215 Yexin Road, Maogang Town, Songjiang District, Shanghai, July 2016 Patentee before: SHANGHAI YONGRUI PNEUMATIC Co.,Ltd. Country or region before: China |