CN110553042A - Air horn electromagnetic valve - Google Patents
Air horn electromagnetic valve Download PDFInfo
- Publication number
- CN110553042A CN110553042A CN201810544110.2A CN201810544110A CN110553042A CN 110553042 A CN110553042 A CN 110553042A CN 201810544110 A CN201810544110 A CN 201810544110A CN 110553042 A CN110553042 A CN 110553042A
- Authority
- CN
- China
- Prior art keywords
- valve core
- base
- face
- steel sleeve
- static
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000003068 static effect Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
Abstract
The invention discloses an air horn electromagnetic valve which comprises a valve body, a coil assembly, a static valve core and a dynamic valve core, wherein the valve body comprises a shell and a base, the base is provided with an air outlet, the inner end of the air outlet is provided with a valve core movement cavity, and the side wall of the valve core movement cavity is provided with an air inlet; a valve core installation cavity is arranged in the coil component framework, a static valve core is arranged at the upper part of the valve core installation cavity, a guide steel sleeve is arranged at the lower part of the static valve core, a movable valve core is slidably arranged in the guide steel sleeve, the movable valve core and the static valve core are connected through a reset spring, an end face sealing gasket is arranged at the center of the lower end face of the movable valve core, the end face sealing gasket corresponds to the sealing end face of an inner port of an air outlet on the base, and the movable valve core is sealed with the sealing end face of the inner end of the air outlet of the base through; the coil assembly and the base are connected into a whole by riveting with the shell. The invention has simple structure and convenient installation, and can effectively solve the defects of low protection grade, poor weather resistance and short service life of the existing air horn electromagnetic valve.
Description
Technical Field
The invention relates to an electromagnetic valve, in particular to an air horn electromagnetic valve.
background
Current commercial air horn control solenoid valve includes valve body, coil pack and case, wherein: the valve core comprises a movable valve core and a static valve core, the valve body comprises a shell and a base, a stepped air outlet is axially arranged at the bottom of the base, an installation cavity is arranged at the inner end of the air outlet, an air inlet is radially arranged below the installation cavity, the coil assembly is sleeved at the outer edge of the cavity of the valve core installation cavity of the base and placed on the base, and the coil assembly is fixedly connected to the base through threads of the shell; the upper part of the valve core installation cavity is provided with a static valve core in an interference fit manner, the static valve core and the base are sealed through an O-shaped sealing ring, the lower part of the valve core installation cavity is provided with a movable valve core in a sliding manner, the static valve core and the movable valve core are connected through a cylindrical reset spring, and the lower end surface of the movable valve core is a conical surface; a sealing gasket is arranged on the inner end face of the air outlet, and a through hole matched with the exhaust counter bore is formed in the middle of the sealing gasket; under the action of a return spring, the conical part of the movable valve core is pressed against the through hole of the sealing gasket to realize sealing, and the communication between the air inlet through hole and the exhaust counter bore is isolated; the lead of the coil assembly is led out through the rubber sleeve.
there are several aspects problems in current commercial car air horn control solenoid valve in the use:
firstly, the protection level is low, easily intakes, leads to coil ablation, coil open circuit, short circuit. The reason is that: gaps are formed between the lead of the coil assembly and the rubber sleeve and between the rubber sleeve and the shell, and water is easy to enter; through straight threaded connection between plastics shell and the disk seat, yielding can't realize sealed, lead to intaking in the valve body.
Secondly, the weather resistance is poor. The reason is that: because the static valve core and the valve seat are sealed by extruding the O-shaped sealing ring, the deformation of the sealing ring is large; the whole electromagnetic valve is in threaded connection with the valve seat through threads of the plastic shell, and after the electromagnetic valve is impacted by high temperature and low temperature, the plastic threads shrink and deform, and the threaded connection part loosens and falls off; the sealing between the air sealing cushion and the movable valve core is sealing at the sharp corner of the air sealing cushion, and the sharp corner of the sealing cushion is seriously deformed after being subjected to high temperature and low temperature, so that the sealing effect is poor; this results in poor weatherability of the solenoid valve.
And thirdly, the service life is low. The reason is that: except for the two reasons, the valve core is made of electrician pure iron and is externally galvanized, the movable valve core moves up and down during working, and a galvanized layer is abraded and easily rusted to cause failure of the electromagnetic valve.
Due to the defects of low protection level, poor weather resistance, short service life and the like, the automobile horn function cannot be used, certain influence is caused on the use safety of an automobile, the performance of the whole automobile is unstable, and the ubiquitous potential safety hazard is complained by consumers all the time.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the air horn electromagnetic valve with high protection level, good vibration resistance and long service life.
Therefore, the technical scheme of the invention is as follows: the utility model provides a gas horn solenoid valve, includes valve body, coil pack, quiet case and movable valve core, wherein: the valve body comprises a shell and a base, wherein the bottom of the base is axially provided with a gas outlet, the inner end of the gas outlet is provided with a valve core movement cavity, the side wall of the valve core movement cavity is provided with a gas inlet, and the gas inlet is communicated with the gas outlet through the valve core movement cavity; coil pack is located the top of base, and coil pack includes skeleton and coil, and outer cover is fixed its characterized in that outside coil pack and with the base: the inner end of the air outlet at the bottom of the base is provided with a sealing end face,
a valve core installation cavity is axially arranged in the framework of the coil assembly, and is matched with the valve core motion cavity of the base and connected into a cavity;
the static valve core is a cylinder with one thick end and one thin end, the thick end of the static valve core is arranged on the upper part of the valve core installation cavity in an interference fit manner, a guide steel sleeve is welded on the thin end shaft diameter of the static valve core in a seamless manner, the guide steel sleeve is in interference fit with the valve core installation cavity, the guide steel sleeve extends into the valve core movement cavity of the base towards the lower part of the valve core installation cavity, an annular boss is arranged on the end outer shaft diameter of the guide steel sleeve, the static valve core is fixed on the base through the guide steel sleeve by means of a pressing plate, and the pressing plate and the base are fixed through a countersunk screw;
the movable valve core is slidably arranged in the guide steel sleeve, the upper end face of the movable valve core is provided with a spring installation cavity, a return spring is arranged in the spring installation cavity, one end of the return spring is propped against the lower end face of the static valve core, and the other end of the return spring is propped against the bottom of the spring installation cavity; the lower end face of the movable valve core is provided with an end face sealing gasket corresponding to the sealing end face of the inner end of the air outlet on the base, and the movable valve core is sealed with the sealing end face of the inner end of the air outlet of the base through the end face sealing gasket on the lower end face under the action of the reset spring;
the upper part of the return spring is trapezoidal and the lower part of the return spring is cylindrical when viewed from the radial section;
the shell is made of metal, and the coil assembly and the base are connected into a whole through riveting with the shell.
Preferably, the coil assembly is integrally sealed and molded, and the lead is connected with the coil assembly into a whole.
preferably, a groove is formed in the middle of the annular boss of the guide steel sleeve along the shaft diameter, an O-shaped sealing ring is arranged in the groove, and the guide steel sleeve and the base are sealed through the O-shaped sealing ring.
Preferably, the end face sealing gasket on the lower end face of the movable valve core is of an embedded inverted trapezoidal structure and is integrally formed with the movable valve core through vulcanization.
preferably, the movable valve core and the static valve core are made of soft magnetic stainless iron materials.
Preferably, the outer wall of the movable valve core is sprayed with a Dow Corning coating.
Has the advantages that:
The invention has simple structure and convenient installation, and can effectively solve the defects of low protection grade, poor weather resistance and short service life of the existing air horn electromagnetic valve.
The shape of the reset spring adopts a structure with a trapezoid upper part and a cylindrical lower part, so that the spring can be completely prevented from being clamped;
The outside of the coil assembly is integrally sealed and molded, the lead wire and the coil assembly are connected into a whole, water cannot enter the coil, the protection level is high, and therefore the service life is long;
An O-shaped sealing ring is arranged between the guide steel sleeve and the base, so that radial sealing is realized, water cannot enter the electromagnetic valve, and meanwhile, the air tightness is ensured;
the end face sealing gasket on the lower end face of the movable valve core is of an embedded inverted trapezoidal structure, is small in opening and large in inside, and is integrally formed through vulcanization, so that the phenomenon that rubber falls off after rubber is sealed on a valve core part can be effectively avoided, and the service life of the electromagnetic valve is prolonged;
The movable valve core and the static valve core are made of soft magnetic stainless iron materials, so that the corrosion resistance and the wear resistance are far superior to those of the old structure, and the situation of rusting does not exist after the movable valve core and the static valve core are worn, so that the service life of the electromagnetic valve is prolonged;
the outer wall of the movable valve core is sprayed with the antifriction channel kangning coating, so that the phenomenon of low-temperature icing caused by moisture contained in the gas path can be effectively avoided;
The electromagnetic valve is integrally connected by riveting, so that the strength is high, the production efficiency is high, and the product cost can be effectively reduced.
drawings
FIG. 1 is a view showing the structure of an air horn solenoid valve of the present invention.
Fig. 2 is a structural view of the return spring.
fig. 3 is a schematic view of the installation of the end face gasket.
Shown in the figure: 1. a housing; 2. a base; 3. an air outlet; 3-1, sealing end face of the inner end of the air outlet; 4. an air inlet; 5. a coil assembly; 5-1, a lead; 6. a stationary valve core; 7. a movable valve core; 8. a guide steel sleeve; 9. pressing a plate; 10. a return spring; 10-1, a trapezoidal structure; 10-2, cylindrical structure; 11. an end face gasket; 12. an O-shaped sealing ring; 13. countersunk head screw.
Detailed Description
The invention is shown in figures 1 to 3:
An air horn solenoid valve, includes valve body, coil pack 5, quiet case 6 and movable valve core 7, wherein: the valve body comprises a shell 1 and a base 2, a gas outlet 3 is axially arranged at the bottom of the base 2, a sealing end face 3-1 is arranged at the inner end of the gas outlet 3, a valve core movement cavity is arranged at the inner end of the gas outlet 3, a gas inlet 4 is arranged on the side wall of the valve core movement cavity, and the gas inlet 4 is communicated with the gas outlet 3 through the valve core movement cavity; the coil component 5 is positioned above the base 2, the coil component 5 comprises a framework and a coil, the outside of the coil component 5 is integrally sealed and molded, and the lead 5-1 is connected with the coil component 5 into a whole;
And a valve core installation cavity is axially arranged in the framework of the coil assembly 5, and is matched with the valve core motion cavity of the base and connected into a cavity.
The static valve core 6 is a cylinder with one thick end and the other thin end, the thick end of the static valve core 6 is arranged on the upper part of a valve core installation cavity in an interference mode, a guide steel sleeve 8 is welded on the thin end shaft diameter of the static valve core 6 in a seamless mode, the guide steel sleeve 8 is in interference fit with the valve core installation cavity, the guide steel sleeve 8 extends into a valve core movement cavity of the base towards the lower part of the valve core installation cavity, an annular boss is arranged on the end outer shaft diameter of the guide steel sleeve 8, the static valve core 6 is fixed on the base 2 through the guide steel sleeve 8 by means of a pressing plate 9, a groove is arranged in the middle of the annular boss of the guide steel sleeve 8 along the shaft diameter, an O-shaped sealing ring 12 is arranged in the groove, the guide steel sleeve 8 is sealed with the base 2 through the O-shaped sealing ring 12;
The movable valve core 7 is slidably arranged in the guide steel sleeve 8, a spring installation cavity is formed in the upper end face of the movable valve core 7, a return spring 10 is arranged in the spring installation cavity, one end of the return spring 10 abuts against the lower end face of the static valve core 6, and the other end of the return spring 10 abuts against the bottom of the spring installation cavity; the lower end face of the movable valve core 7 is provided with an end face sealing gasket 11 corresponding to the sealing end face 3-1 at the inner end of the air outlet on the base, and the movable valve core 7 is sealed with the sealing end face 3-1 at the inner end of the air outlet of the base through the end face sealing gasket 11 at the lower end face under the action of a return spring 10;
the upper part of the return spring 10 is in a trapezoidal structure 10-1 when viewed from a radial section, and the lower part of the return spring is in a cylindrical shape 10-2.
the shell 1 is made of metal materials, and the shell 1 covers the coil assembly 5 and is fixedly connected with the base 2 into a whole through riveting.
the end face sealing gasket 11 of the lower end face of the movable valve core 7 adopts an embedded inverted trapezoidal structure, wherein: the included angle A is 20 degrees, and the included angle A and the movable valve core 7 are integrally formed through vulcanization.
The movable valve core 7 and the static valve core 6 are made of soft magnetic stainless iron materials.
The outer wall of the movable valve core 7 is sprayed with a Dow Corning coating.
The working principle of the invention is as follows:
The present invention is a normally closed type solenoid valve, i.e., in a normal state, the air inlet 4 and the air outlet 3 are not communicated. After the power is switched on, the coil generates a magnetic field, the static iron core 6 and the movable valve core 7 are magnetized to generate electromagnetic force, the movable valve core 7 overcomes the spring force to move upwards under the action of the electromagnetic force, the electromagnetic valve is opened, and the air inlet 4 is communicated with the air outlet 3; after the power is cut off, the magnetic field disappears, the electromagnetic force disappears, the movable valve core 7 resets under the action of the spring force, the end face sealing gasket 11 on the lower end face of the movable valve core 7 compresses the sealing end face 3-1 at the inner end of the air outlet to seal the air path, and the electromagnetic valve is closed.
Claims (6)
1. the utility model provides a gas horn solenoid valve, includes valve body, coil pack, quiet case and movable valve core, wherein: the valve body comprises a shell and a base, wherein the bottom of the base is axially provided with a gas outlet, the inner end of the gas outlet is provided with a valve core movement cavity, the side wall of the valve core movement cavity is provided with a gas inlet, and the gas inlet is communicated with the gas outlet through the valve core movement cavity; coil pack is located the top of base, and coil pack includes skeleton and coil, and outer cover is fixed its characterized in that outside coil pack and with the base: the inner end of the air outlet at the bottom of the base is provided with a sealing end face,
A valve core installation cavity is axially arranged in the framework of the coil assembly, and is matched with the valve core motion cavity of the base and connected into a cavity;
The static valve core is a cylinder with one thick end and one thin end, the thick end of the static valve core is arranged on the upper part of the valve core installation cavity in an interference fit manner, a guide steel sleeve is welded on the thin end shaft diameter of the static valve core in a seamless manner, the guide steel sleeve is in interference fit with the valve core installation cavity, the guide steel sleeve extends into the valve core movement cavity of the base towards the lower part of the valve core installation cavity, an annular boss is arranged on the end outer shaft diameter of the guide steel sleeve, the static valve core is fixed on the base through the guide steel sleeve by means of a pressing plate, and the pressing plate and the base are fixed through a countersunk screw;
The movable valve core is slidably arranged in the guide steel sleeve, the upper end face of the movable valve core is provided with a spring installation cavity, a return spring is arranged in the spring installation cavity, one end of the return spring is propped against the lower end face of the static valve core, and the other end of the return spring is propped against the bottom of the spring installation cavity; the lower end face of the movable valve core is provided with an end face sealing gasket corresponding to the sealing end face of the inner end of the air outlet on the base, and the movable valve core is sealed with the sealing end face of the inner end of the air outlet of the base through the end face sealing gasket on the lower end face under the action of the reset spring;
The upper part of the return spring is trapezoidal and the lower part of the return spring is cylindrical when viewed from the radial section;
The coil assembly and the base are connected into a whole through riveting with the shell.
2. An air horn solenoid valve as claimed in claim 1 wherein: the coil assembly is integrally sealed and molded, and the lead is connected with the coil assembly into a whole.
3. An air horn solenoid valve as claimed in claim 1 wherein: a groove is formed in the middle of the annular boss of the guide steel sleeve along the shaft diameter, an O-shaped sealing ring is arranged in the groove, and the guide steel sleeve and the base are sealed through the O-shaped sealing ring.
4. An air horn solenoid valve as claimed in claim 1 wherein: the end face sealing gasket on the lower end face of the movable valve core is of an embedded inverted trapezoidal structure and is integrally formed with the movable valve core through vulcanization.
5. an air horn solenoid valve as claimed in claim 1 wherein: the movable valve core and the static valve core are made of soft magnetic stainless iron materials.
6. An air horn solenoid valve as claimed in claim 1 wherein: and a Dow Corning coating is sprayed on the outer wall of the movable valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544110.2A CN110553042A (en) | 2018-05-31 | 2018-05-31 | Air horn electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544110.2A CN110553042A (en) | 2018-05-31 | 2018-05-31 | Air horn electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110553042A true CN110553042A (en) | 2019-12-10 |
Family
ID=68734713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544110.2A Pending CN110553042A (en) | 2018-05-31 | 2018-05-31 | Air horn electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110553042A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571205A (en) * | 2008-04-30 | 2009-11-04 | 浙江三花股份有限公司 | Magnetic valve, throttling set and refrigerating unit |
| CN202176805U (en) * | 2011-09-07 | 2012-03-28 | 浙江中宝自控元件有限公司 | Energy-saving valve needle type solenoid valve |
| CN105299298A (en) * | 2015-11-23 | 2016-02-03 | 叶红 | Two-position two-way electromagnetic valve with improved structure |
| CN106032853A (en) * | 2015-03-12 | 2016-10-19 | 浙江三花股份有限公司 | A solenoid valve for a compressor |
| CN208237090U (en) * | 2018-05-31 | 2018-12-14 | 湖北中生汽车电器有限公司 | A kind of air horn solenoid valve |
-
2018
- 2018-05-31 CN CN201810544110.2A patent/CN110553042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571205A (en) * | 2008-04-30 | 2009-11-04 | 浙江三花股份有限公司 | Magnetic valve, throttling set and refrigerating unit |
| CN202176805U (en) * | 2011-09-07 | 2012-03-28 | 浙江中宝自控元件有限公司 | Energy-saving valve needle type solenoid valve |
| CN106032853A (en) * | 2015-03-12 | 2016-10-19 | 浙江三花股份有限公司 | A solenoid valve for a compressor |
| CN105299298A (en) * | 2015-11-23 | 2016-02-03 | 叶红 | Two-position two-way electromagnetic valve with improved structure |
| CN208237090U (en) * | 2018-05-31 | 2018-12-14 | 湖北中生汽车电器有限公司 | A kind of air horn solenoid valve |
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