CN205207850U - Improvement formula solenoid valve - Google Patents
Improvement formula solenoid valve Download PDFInfo
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- CN205207850U CN205207850U CN201520902980.4U CN201520902980U CN205207850U CN 205207850 U CN205207850 U CN 205207850U CN 201520902980 U CN201520902980 U CN 201520902980U CN 205207850 U CN205207850 U CN 205207850U
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- solenoid valve
- sheath body
- fixed core
- sleeve
- improved type
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Abstract
The utility model relates to an electromagnetic control equipment technical field especially discloses an improvement formula solenoid valve, which comprises the following components: a valve body. Install spring and case in the valve body, one end butt in the spring of case, the other end projection of case goes out the valve body and is connected with slide core, install in the fixed core in the slide core outside, fixed core is connected with the valve body, installs in the electromagnetic coil in the fixed core outside, its characterized in that: fixed core includes the sleeve and installs respectively in first set of shell, the second cover shell at sleeve both ends that the sleeve adopts nonmagnetic material to make, and first set of shell, second cover shell adopt magnetic material to make, the solenoid valve does not need extra magnet or other magnetic parts of mutually supporting and using with slide core that set up, the complexity of greatly reduced project organization, and then simplify assembly process, improve solenoid valve control accuracy.
Description
Technical field
The utility model relates to Electromagnetic Control equipment technical field, particularly relates to a kind of improved type solenoid valve.
Background technique
Solenoid valve (Electromagneticvalve) is the industry equipment by Electromagnetic Control, is used to the automation foundation element controlling fluid, for adjusting the flow direction of flowing medium, flow, speed and other parameter.
Solenoid valve needs to be arranged on various component in concrete using process, such as motor car engine etc., in most cases working space is narrow and small, this just requires that the product size of solenoid valve can not be too large, certainly, if the composition component of solenoid valve is more, solenoid valve project organization will be caused complicated, increase the size of product on the one hand, the homework precision of solenoid valve can be reduced on the other hand because component is more.
Existing solenoid valve is mostly provided with electromagnetic coil, slide core and the magnet cooperatively interacted with slide core or other magnetic part, in this just little design size of solenoid valve, additionally installation magnet or other magnetic part not only increase Product processing difficulty again, also make the project organization of solenoid valve complexity, assembling procedure various, be necessary that the deficiency existed for existing solenoid valve carries out improvement design in fact.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the purpose of this utility model is to provide a kind of improved type solenoid valve, and solenoid valve project organization is simple, easy to assembly, has good homework precision.
For achieving the above object, a kind of improved type solenoid valve of the present utility model, comprises valve body; Be installed in the spring in valve body and spool, one end of spool is connected to spring, and the other end of spool stretches out valve body and is connected with slide cores; Be installed on the fixed core outside slide cores, fixed core is connected with valve body, is installed in the electromagnetic coil outside fixed core; Fixed core comprises sleeve and is installed in first sheath body at sleeve two ends, the second sheath body respectively, and sleeve adopts nonmagnetic substance to make, and the first sheath body, the second sheath body adopt magnetic material to make.
Wherein, one end of described first sheath body is installed on valve body, and the other end of the first sheath body is installed on sleeve, and along fixed core length direction, the length of the second sheath body is greater than the length of the first sheath body.
Wherein, described sleeve adopts stainless steel to make, and the first sheath body and the second sheath body adopt iron to make.
Wherein, described first sheath body, be equipped with layers of copper between the second sheath body and the surface of contact of sleeve.
Wherein, described improved type solenoid valve also comprises sealing gasket, and sealing gasket is between fixed core and valve body, and sealing gasket is installed in spool one end away from capping.
Wherein, described slide cores is provided with through hole, and through hole is towards the through slide cores in direction of valve body.
Wherein, described spool is provided with stopping surface, and one end of spool is installed in spring and stopping surface is connected to one end of spring.
Wherein, the size of described spring near stopping surface one end is less than the size of described spring away from stopping surface one end.
Wherein, described electromagnetic coil comprises coil and plastic casing, and coil and plastic casing adopt the mode of injection moulding integrated molding to link together.
Wherein, described improved type solenoid valve also comprises shell, and electromagnetic coil is installed in shell, and valve body is installed in shell near one end of fixed core.
The beneficial effects of the utility model: slide cores is installed in fixed core by the utility model improved type solenoid valve, fixed core is by sleeve and be installed in first sheath body at sleeve two ends respectively, the second sheath body forms, sleeve adopts nonmagnetic substance to make, and the first sheath body, the second sheath body adopt magnetic material to make; After electromagnetic coil energising, the magnetic force that fixed core two ends produce is not identical, and then drives slide cores to move, and the spool linked together with slide cores is moved; After electromagnetic coil power-off, spring restores to the original state and by slide cores and valve core reset under elastic force effect; The utility model improved type solenoid valve cancel with slide cores with the use of magnet or magnetic element, simplify the project organization of solenoid valve, effective reduction product size, also reduces constituent parts and the packaging technology of solenoid valve simultaneously, and then improves installation precision and the Operation control precision of solenoid valve.
Accompanying drawing explanation
Fig. 1 is stereochemical structure of the present utility model assembling schematic diagram;
Fig. 2 is stereochemical structure decomposing schematic representation of the present utility model;
Fig. 3 is the stereochemical structure decomposing schematic representation at another visual angle of the present utility model;
Fig. 4 is the perspective view of fixed core of the present utility model;
Fig. 5 is the sectional view along A-A direction in Fig. 4.
Reference character comprises:
1-valve body 10-the first through hole, 11-shrinkage pool
12-capping, 13-projection, 14-limiting stopper
2-spring, 3-spool, 30-annular boss
31-stopping surface, 4-slide cores, 40-third through-hole
5-fixed core, 50-sleeve 51-the first sheath body
510-flange 52-the second sheath body 53-the second through hole
54-layers of copper, 6-electromagnetic coil, 60-coil
61-plastic casing, 62-fourth hole, 7-shell
70-prevent surface, 71-breach, 8-sealing gasket.
Embodiment
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that mode of execution is mentioned is not to restriction of the present utility model.
Refer to Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, a kind of improved type solenoid valve of the present utility model, comprise valve body 1, be arranged on the spring 2 in valve body 1 and spool 3, the end face of spring 2 one end is connected to one end of spool 3, the end face of spring 2 the other end is connected in capping 12, the other end of spool 3 stretches out valve body 1 and is connected in slide cores 4, be around in the fixed core 5 outside slide cores 4, one end of fixed core 5 and one end of valve body 1 are connected to each other, be around in the electromagnetic coil 6 outside fixed core 5, fixed core 5 comprises sleeve 50 and is installed in first sheath body 51 at sleeve 50 two ends respectively, second sheath body 52, sleeve 50 adopts nonmagnetic substance to make, i.e. sleeve 50 not magnetic conduction, first sheath body 51, second sheath body 52 adopts magnetic material to make.
Described valve body 1 is roughly in hollow cylindrical, employing metallic material is made, valve body 1 is provided with the first through hole 10 and multiple shrinkage pool 11, first through hole 10 extends and through valve body 1 along the length direction of valve body 1, shrinkage pool 11 forms and is communicated with the first through hole 10 from the outer surface of valve body 1 is recessed, by the movement of spool 3 in valve body 1 between diverse location, and then whether realization control fluid (as cooling liquid, machine oil, diesel oil, gasoline etc.) flows into valve body 1 by shrinkage pool 11.
After described improved type solenoid valve switches on power, electromagnetic coil 6 is positioned at the outside of fixed core 5, magnetic force is produced in fixed core 5, because the first sheath body 51, second sheath body 52 is kept apart by sleeve 50, sleeve 50 is non-magnet_conductible material, therefore sleeve 50 position does not produce magnetic force, the magnetic force of slide cores 4 near one end of sleeve 50 is less than the magnetic force of slide cores 4 away from one end of sleeve 50; In addition, length due to the first sheath body 51 is less than the length of the second sheath body 52, the magnetic force that first sheath body 51 position produces is less than the magnetic force that the second sheath body 52 position produces, make the size of slide cores 4 two ends magnetic force unequal, impel slide cores 4 to move towards valve body 1 direction, and then band movable valve plug 3 Compress Spring 2 move, in the moving process of spool 3 towards capping 12 direction, shrinkage pool 11 on valve body 1 is opened by the annular boss 30 of spool 3, and now fluid flows into valve body 1.When after electromagnetic coil 6 power-off, spring 2 restores to the original state in the presence of a tensile force, and then is with movable valve plug 3 and slide cores 4 to reset, and the shrinkage pool 11 on annular boss 30 closed valve 1 of spool 3, now solenoid valve quits work, and fluid can not flow into valve body 1.
One end of described valve body 1 is provided with capping 12, and capping 12 is convexly equipped with projection 13, and one end of spring 2 to be set on projection 13 and to load in the first through hole 10, and projection 13 prevents its occurrence positions in capping 12 from moving for retaining spring 2.First through hole 10 is less than the size of the first through hole 10 near one end of capping 12 away from the size of one end of capping 12, when installing spool 3, spool 3 is loaded in the first through hole 10 from capping 12 side, the other end of spool 3 stretches out valve body 1 from the side of the first through hole 10 reduced size, thus can prevent spool 3 from coming off from one end away from capping 12 of valve body 1.
Described spool 3 is in irregular strip, and spool 3 is provided with annular boss 30 along its length, and annular boss 30 is provided with stopping surface 31, and the size of spool 3 two ends cross section is less than the cross-sectional dimension of annular boss 30.In assembly process, first one end of spring 2 is set on the projection 13 of capping 12, again one end of spool 3 to be inserted in spring 2 and to make the other end of spring 2 be connected on stopping surface 31, to throw off from stopping surface 31 to prevent spring 2 and cross annular boss 30, preferably, the size of spring 2 near stopping surface 31 one end is less than the size of described spring 2 away from stopping surface 31 one end.Then spool 3, spring 2 are loaded together in the first through hole 10 of valve body 1, the other end of spool 3 goes out from the side projection of the first through hole 10 reduced size.
Refer to shown in Fig. 2 and Fig. 3, described spool 3 stretches out and the mode such as to pass through to weld after valve body 1 with slide cores 4 and link together, slide cores 4 is roughly in cylindric and adopt magnetic material (as iron etc.) to process, and slide cores 4 is arranged in fixed core 5 and the length of slide cores 4 is less than the length of fixed core 5.Fixed core 5 is provided with the second through hole 53 and one end of fixed core 5 and valve body 1 are assembled together away from one end of capping 12, and slide cores 4 to be installed in the second through hole 53 and can to move in the second through hole 53; Slide cores 4 is provided with third through-hole 40, third through-hole 40 is towards the through slide cores 4 in direction of valve body 1, namely third through-hole 40 extends and through slide cores 4 along the length direction of slide cores 4, in the present embodiment, the quantity of third through-hole 40 is 2, after slide cores 4 is arranged in fixed core 5, fluid in solenoid valve makes the fluid of slide cores 4 both sides communicate with each other by third through-hole 40, slide with interference core 4 moves in fixed core 5 because of pressure gap to prevent the fluid of slide cores 4 both sides, thus ensures that slide cores 4 is moved easily in fixed core 5.In order to make to have good sealing effect between fixed core 5 and valve body 1, can set up sealing gasket 8 between fixed core 5 and valve body 1, now spool 3 passes sealing gasket 8 away from one end of capping 12.
Refer to Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, described fixed core 5 is roughly in hollow cylindrical, fixed core 5 comprises sleeve 50 and is arranged on the first sheath body 51 of sleeve 50 opposite end respectively, second sheath body 52, sleeve 50, the modes such as welding are adopted to be fixed to one another connection between first sheath body 51 and the second sheath body 52, one end of first sheath body 51 is provided with flange 510, flange 510 is installed each other with one end of valve body 1 and is coordinated, the other end of the first sheath body 51 is arranged on one end of sleeve 50, length along length direction second sheath body 52 of fixed core 5 is greater than the length of the first sheath body 51.In the present embodiment, sleeve 50 adopts stainless steel to make, and the first sheath body 51 and the second sheath body 52 adopt iron to make, and because stainless material is non-magnet_conductible material, sleeve 50 carries out isolated electromagnetic field process to the first sheath body 51 and the second sheath body 52.
After described slide cores 4 loads in fixed core 5, be energized by electromagnetic coil 6, because sleeve 50 is non-magnet_conductible material, therefore sleeve 50 position does not produce magnetic force, and the magnetic force of slide cores 4 near one end of sleeve 50 is less than the magnetic force of slide cores 4 away from one end of sleeve 50; In addition, length due to the first sheath body 51 is less than the length of the second sheath body 52, the magnetic force that first sheath body 51 position produces is less than the magnetic force that the second sheath body 52 position produces, the magnetic force difference at slide cores 4 two ends in further increasing first fixed core 5, slide cores 4 moves towards the first sheath body 51 direction from the second sheath body 52, namely slide cores 4 moves towards valve body 1 direction, and then band movable valve plug 3 is mobile in valve body 1, in the moving process of spool 3, the shrinkage pool 11 on valve body 1 is opened by the annular boss 30 of spool 3; When after electromagnetic coil 6 power-off, spring 2 restores to the original state in the presence of a tensile force, and then is with movable valve plug 3 and slide cores 4 to reset, the shrinkage pool 11 on annular boss 30 closed valve 1 of spool 3, thus makes spool 3 be carried out by the shrinkage pool 11 on valve body 1 closing or opening.
In order to ensure to completely cut off electromagnetic field effect preferably between the first sheath body 51 and the second sheath body 52, the magnetic force that first sheath body 51, second sheath body 52 position is produced separately is applied to the two ends of slide cores 4, the magnetic force avoiding the first sheath body 51, second sheath body 52 position to produce is superimposed together each other, first sheath body 51 and the second sheath body 52 one end close to each other are isolated from each other by sleeve 50 and arrange, namely between the first sheath body 51 and the second sheath body 52, there is gap, filled by sleeve 50 between gap.In the present embodiment, layers of copper 54 is equipped with between first sheath body 51, second sheath body 52 and the surface of contact of sleeve 50, namely the first sheath body 51, second sheath body 52 is welded together by layers of copper 54 with the surface of contact of sleeve 50, wherein copper is non-magnet_conductible material, strengthens the isolation electromagnetic field effect between the first sheath body 51, second sheath body 52 further.In the present embodiment, first sheath body 51, second sheath body 52 is arranged to ladder surface with the surface of contact of sleeve 50, so, can expand the area of contact between three, and then there is the layers of copper 54 of larger area, strengthen the isolation electromagnetic field effect between the first sheath body 51, second sheath body 52 further.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, described electromagnetic coil 6 is roughly in hollow cylindrical, electromagnetic coil 6 comprises coil 60 and plastic casing 61, coil 60 and plastic casing 61 adopt the mode of injection moulding integrated molding connected to each other, coil 60 is provided with fourth hole 62, and fixed core 5 is installed in fourth hole 62, in order to make full use of the electromagnetic field after electromagnetic coil 6 energising, the size being dimensioned slightly smaller than fourth hole 62 of fixed core 5, ensures to have less gap between fixed core 5 and fourth hole 62.
Refer to shown in Fig. 2 and Fig. 3, described improved type solenoid valve also comprises shell 7, in order to strengthen the hardness of shell 7, shell 7 is made up of metallic material, the cylindrical shape of shell 7 roughly in one end open, electromagnetic coil 6 is installed in shell 7, shell 7 inside is provided with prevent surface 70, the flange 510 of the first sheath body 51 is sticked on prevent surface 70, fixed core 5 is prevented excessively to be inserted in shell 7, shell 7 is provided with breach 71 near one end of valve body 1, valve body 1 is provided with limiting stopper 14 near one end of fixed core 5, valve body 1 is installed in shell 7 and limiting stopper 14 is assembled in breach 71, and then prevent valve body 1 from rotating in shell 7.
Fixed core 5 of the present utility model, by arranging non-magnetic sleeve 50, is avoided additional magnet or magnetic part in improved type solenoid valve, is removed the kinematic error produced because of magnet or magnetic part effect, and then improves the effect control accuracy of solenoid valve.The quantity that magnet or magnetic part also can reduce component do not installed by solenoid valve, reduces the packaging technology step of solenoid valve itself, removes the positional error produced because installing magnet or magnetic part, and then the installation precision of raising solenoid valve.
Known the utility model is have above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicability, becoming the product that has use value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. an improved type solenoid valve, comprises valve body; Be installed in the spring in valve body and spool, one end of spool is connected to spring, and the other end of spool stretches out valve body and is connected with slide cores; Be installed on the fixed core outside slide cores, fixed core is connected with valve body, is installed in the electromagnetic coil outside fixed core; It is characterized in that: fixed core comprises sleeve and is installed in first sheath body at sleeve two ends, the second sheath body respectively, sleeve adopts nonmagnetic substance to make, and the first sheath body, the second sheath body adopt magnetic material to make.
2. improved type solenoid valve according to claim 1, is characterized in that: one end of described first sheath body is installed on valve body, and the other end of the first sheath body is installed on sleeve, and along fixed core length direction, the length of the second sheath body is greater than the length of the first sheath body.
3. improved type solenoid valve according to claim 1, is characterized in that: described sleeve adopts stainless steel to make, and the first sheath body and the second sheath body adopt iron to make.
4. improved type solenoid valve according to claim 1, is characterized in that: described first sheath body, be equipped with layers of copper between the second sheath body and the surface of contact of sleeve.
5. improved type solenoid valve according to claim 1, is characterized in that: described improved type solenoid valve also comprises sealing gasket, and sealing gasket is between fixed core and valve body, and sealing gasket is installed in spool one end away from capping.
6. improved type solenoid valve according to claim 1, is characterized in that: described slide cores is provided with through hole, and through hole is towards the through slide cores in direction of valve body.
7. improved type solenoid valve according to claim 1, is characterized in that: described spool is provided with stopping surface, and one end of spool is installed in spring and stopping surface is connected to one end of spring.
8. improved type solenoid valve according to claim 7, is characterized in that: the size of described spring near stopping surface one end is less than the size of described spring away from stopping surface one end.
9. improved type solenoid valve according to claim 1, is characterized in that: described electromagnetic coil comprises coil and plastic casing, coil and plastic casing adopt the mode of injection moulding integrated molding to link together.
10. improved type solenoid valve according to claim 1, is characterized in that: described improved type solenoid valve also comprises shell, and electromagnetic coil is installed in shell, and valve body is installed in shell near one end of fixed core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902980.4U CN205207850U (en) | 2015-11-13 | 2015-11-13 | Improvement formula solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902980.4U CN205207850U (en) | 2015-11-13 | 2015-11-13 | Improvement formula solenoid valve |
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| Publication Number | Publication Date |
|---|---|
| CN205207850U true CN205207850U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520902980.4U Active CN205207850U (en) | 2015-11-13 | 2015-11-13 | Improvement formula solenoid valve |
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| CN (1) | CN205207850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370961A (en) * | 2015-11-13 | 2016-03-02 | 东莞市金禄电子科技有限公司 | Modified-type electromagnetic valve |
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2015
- 2015-11-13 CN CN201520902980.4U patent/CN205207850U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370961A (en) * | 2015-11-13 | 2016-03-02 | 东莞市金禄电子科技有限公司 | Modified-type electromagnetic valve |
| CN105370961B (en) * | 2015-11-13 | 2018-09-18 | 广东金禄科技股份有限公司 | A kind of Improvement type solenoid valve |
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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: 523000 Guangdong province Dongguan Dongkeng wells village 168 Industrial Zone No. 7 Patentee after: Guangdong Jin Lu Polytron Technologies Inc Address before: 523451 Guangdong province Dongguan Dongkeng wells 168 Industrial Zone No. 45 Patentee before: DONGGUAN JINLU ELECTRONIC TECHNOLOGY CO., LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Modified-type electromagnetic valve Effective date of registration: 20180907 Granted publication date: 20160504 Pledgee: China Co truction Bank Corp Dongguan Dongkeng branch Pledgor: Guangdong Jin Lu Polytron Technologies Inc Registration number: 2018440000259 |