CN211370868U - CPVC valve body of resistant high temperature erosion resistance of electromagnetic directional valve - Google Patents
CPVC valve body of resistant high temperature erosion resistance of electromagnetic directional valve Download PDFInfo
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- CN211370868U CN211370868U CN201922264524.2U CN201922264524U CN211370868U CN 211370868 U CN211370868 U CN 211370868U CN 201922264524 U CN201922264524 U CN 201922264524U CN 211370868 U CN211370868 U CN 211370868U
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Abstract
The CPVC valve body of the electromagnetic reversing valve is high-temperature resistant and erosion resistant, wherein the left end and the right end of the valve body are respectively provided with an electromagnet, and the electromagnets are directly screwed into the valve body through a magnetic conduction sleeve with threads; the magnetic conduction sleeve is provided with a coil; the oil inlet is arranged in the middle of the undercut groove, a first working oil port and a first left oil return port are sequentially arranged on the left side of the oil inlet from inside to outside, a second working oil port and a right oil return port are sequentially arranged on the right side of the oil inlet from inside to outside, and the left oil return port and the right oil return port are communicated with each other through oil return cavities. Electromagnetic reversing valve's high temperature resistant anti erosion CPVC valve body, simple structure, convenient assembling, easy maintenance, the erosion resistance of heat resistance, acidproof, alkali, salt, oxidant etc. is good, mechanical properties is good, long service life, application prospect is extensive.
Description
Technical Field
The utility model relates to a switching-over valve technical field, concretely relates to CPVC valve body is prevented erosion by high temperature resistant impact of electromagnetic directional valve.
Background
The solenoid operated valve is one of the most widely used hydraulic control components, and the production is huge in millions of parts per year in the world, and the structure and the manufacturing process of the solenoid operated valve are continuously improved. The electromagnetic directional valve utilizes the relative movement of the valve core in the valve body to change the flow direction, thereby controlling the start and stop of the actuating element and changing the action direction. A typical three-position four-way solenoid directional valve consists essentially of: the valve comprises a valve body, a valve core, a push rod, a return spring, a spring seat, a baffle, an electromagnet and the like. The performance requirements that the electromagnetic directional valve should meet include: 1. The pressure loss is small when the oil flows through the valve main body; 2. The leakage amount between the oil ports which are not communicated with each other is small; 3. the reversing action is stable, accurate, rapid and reliable.
CPVC is a novel engineering plastic with wide application prospect, is prepared by chlorination modification of polyvinyl chloride (PVC) resin, and after the PVC resin is chlorinated, the irregularity of molecular bonds is increased, the polarity is increased, so that the solubility of the resin is increased, the chemical stability is increased, and the heat resistance, acid resistance, alkali resistance, salt resistance, oxidant resistance and the like of the material are improved. The mechanical property of the thermal deformation temperature of the numerical value is improved, the chlorine content is improved from 56.7 percent to 63-69 percent, the Vicat softening temperature is improved from 72-82 ℃ to 90-125 ℃, the maximum use temperature can reach 110 ℃, and the long-term use temperature is 95 ℃. Wherein the CORZAN CPVC performance index is more excellent. Therefore, the CPVC is applied to the valve body of the electromagnetic reversing valve, so that the high-temperature resistance and the erosion resistance of the electromagnetic reversing valve can be improved.
Chinese patent application No. CN201420644007.2 discloses an electromagnetic directional valve, which comprises a valve body, and is characterized in that an emergency operation handle device is installed, so that the electromagnetic directional valve can be conveniently controlled under the condition of power failure, and the high temperature resistance and erosion resistance of the electromagnetic directional valve are not improved.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the above not enough, the utility model aims at providing a high temperature resistant anti erosion CPVC valve body of electromagnetic directional valve, simple structure, convenient assembling, easy maintenance, the anti erosion resistance of heat resistance, acidproof, alkali, salt, oxidant etc. is good, and mechanical properties is good, long service life, and application prospect is extensive.
The technical scheme is as follows: the CPVC valve body of the electromagnetic reversing valve is high-temperature resistant and erosion resistant, wherein the left end and the right end of the valve body are respectively provided with an electromagnet, and the electromagnets are directly screwed into the valve body through a magnetic conduction sleeve with threads; the magnetic conduction sleeve is provided with a coil; the oil inlet is arranged in the middle of the undercut groove, a first working oil port and a first left oil return port are sequentially arranged on the left side of the oil inlet from inside to outside, a second working oil port and a right oil return port are sequentially arranged on the right side of the oil inlet from inside to outside, and the left oil return port and the right oil return port are communicated with each other through oil return cavities.
CPVC valve body is lost to high temperature resistant anti dashing of magenetic exchange valve, valve body both ends electromagnetism iron is connected with the valve body through threaded magnetic conduction sleeve pipe, both ends face plays limiting displacement about the valve body, simple structure, it is more convenient to assemble to the coil is installed on the magnetic conduction sleeve pipe and can freely dismantle, because the electromagnetism breaks down mainly to the coil burns out, only need tear open during the maintenance trade the damaged coil can, magnetic conduction sleeve pipe part can also continue to use.
When the electromagnet is not electrified, the valve core in the valve body is kept at the middle initial position by the return spring; when the electromagnet at the left end is powered on, the armature is attracted, the valve core moves rightwards, the oil inlet is communicated with the working oil port II, the working oil port I is communicated with the left oil return port, and when the electromagnet at the left end is powered off, the reset spring enables the valve core to move leftwards and the valve core returns to the middle position; when the electromagnet at the right end is powered on, the armature is actuated, the valve core moves leftwards, so that the oil inlet is communicated with the first working oil port, the second working oil port is communicated with the right oil return port, and when the electromagnet at the right end is powered off, the reset spring enables the valve core to move rightwards, and the valve core returns to the middle position again.
Further, the CPVC valve body is made of CPVC materials and is resistant to high temperature and erosion.
The selection of the valve body material has direct influence on the performance of the electromagnetic directional valve, the valve body material is required to have higher erosion resistance, high temperature resistance, wear resistance and strength according to the service environment of the electromagnetic directional valve, and the CPVC serving as a novel engineering plastic has good heat resistance, acid resistance, alkali resistance, salt resistance, oxidant resistance and the like and good mechanical performance.
Furthermore, the CPVC valve body of the electromagnetic reversing valve is high-temperature resistant and erosion resistant, and the electromagnet is a wet direct current electromagnet.
The wet type direct current electromagnet is directly screwed into the valve body through the magnetic conduction sleeve with threads, and compared with the traditional plate type screw connection mode electromagnet, the wet type direct current electromagnet is small in pressed area, good in sealing performance and convenient to disassemble.
Furthermore, the CPVC valve body with high temperature resistance and erosion resistance of the electromagnetic directional valve has the advantages that the diameter of the undercut groove is 6.0mm, and the width of the undercut groove is 5.4 mm.
The undercut groove is processed in the valve body, so that the flow area of a flow passage in the valve cavity can be increased, and the pressure loss of the flow passage is obviously reduced.
Furthermore, in the CPVC valve body of the electromagnetic directional valve, the connecting part of the magnetic conductive sleeve and the valve body is provided with an O-shaped sealing ring.
The O-shaped sealing ring is arranged at the connecting part of the magnetic conduction sleeve and the valve body, and even in the state of pressure oil, the electromagnetic coil can be replaced without any tool, so that the shutdown time can be shortened, and the danger of any oil liquid loss and pollution can be avoided. Meanwhile, the magnetic sleeve is communicated with the valve cavity, so that the effects of reducing noise, reducing impact, improving lubricating conditions and the like can be achieved.
Furthermore, the CPVC valve body with high temperature resistance and erosion resistance of the electromagnetic directional valve is characterized in that the connection parts of the first working oil port, the second working oil port and the valve body are provided with sealing rings.
Furthermore, the diameter of the oil inlet, the working oil port I, the left oil return port, the working oil port II and the right oil return port of the CPVC valve body with high temperature resistance and erosion resistance is 5.0 mm.
The diameters of the oil inlet, the working oil port I, the left oil return port, the working oil port II and the right oil return port have great influence on the flow velocity in the flow passage, and the flow velocity in the flow passage directly influences the pressure difference-flow characteristic of the electromagnetic directional valve. Therefore, the diameter is selected to be 5.0mm in order to minimize the pressure loss in the flow channel.
The utility model has the advantages that:
(1) the high-temperature-resistant erosion-resistant CPVC valve body of the electromagnetic directional valve has the advantages of simple structure and convenient assembly, the wet direct-current electromagnets at the two ends of the valve body are connected with the valve body through the magnetic conductive sleeve with the thread, the limiting function is realized on the left end surface and the right end surface of the valve body, the pressed area is small, the sealing performance is good, and the disassembly is convenient;
(2) the magnetic conduction sleeve pipe of the utility model is provided with the coil and can be freely disassembled, because the electromagnet breaks down, the damaged coil only needs to be disassembled and replaced during maintenance, and the magnetic conduction sleeve pipe part can be continuously used, thereby prolonging the service life;
(3) the valve body be the CPVC material, have higher anti erosion, high temperature resistant, wearability, intensity.
Drawings
Fig. 1 is a schematic structural diagram of a high temperature resistant and erosion resistant CPVC valve body of the electromagnetic directional valve of the present invention;
in the figure: the valve comprises a valve body 1, an electromagnet 11, a magnetic conduction sleeve 12, a coil 13, a cutting groove 14, an oil inlet 15, a first working oil port 16, a left oil return port 17, a second working oil port 18, a right oil return port 19, a through oil return cavity 20, an O-shaped sealing ring 21, a sealing ring 22, a valve core a and a return spring b.
Detailed Description
The invention will be further elucidated with reference to fig. 1 and an exemplary embodiment.
As shown in fig. 1, in the CPVC valve body of the electromagnetic directional valve with the above structure, two electromagnets 11 are respectively installed at the left end and the right end of the valve body 1, and the electromagnets 11 are directly screwed into the valve body 1 through a magnetic conductive sleeve 12 with threads; the magnetic conduction sleeve 12 is provided with a coil 13; the cutting device is characterized in that a cutting groove 14 is formed in the valve body 1, an oil inlet 15 is formed in the middle of the cutting groove 14, a first working oil port 16 and a left oil return port 17 are sequentially arranged on the left side of the oil inlet 15 from inside to outside, a second working oil port 18 and a right oil return port 19 are sequentially arranged on the right side of the oil inlet 15 from inside to outside, and the left oil return port 17 and the right oil return port 19 are communicated with each other through an oil return cavity 20.
In addition, the valve body 1 is made of CPVC material.
The electromagnet 11 is a wet dc electromagnet.
Further, the diameter of the undercut 14 is 6.0mm, and the width of the undercut 14 is 5.4 mm.
In addition, an O-shaped sealing ring 21 is arranged at the connecting part of the magnetic conduction sleeve 12 and the valve body 1.
Further, the connection parts of the first working oil port 16, the second working oil port 18 and the valve body 1 are provided with sealing rings 22.
Furthermore, the diameter of the oil inlet 15, the diameter of the first working oil port 16, the diameter of the left oil return port 17, the diameter of the second working oil port 18 and the diameter of the right oil return port 19 are 5.0 mm.
Examples
Based on the above structural basis, as shown in fig. 1.
The anti erosion CPVC valve body of high temperature resistant of magenetic exchange valve, 1 both ends wet-type direct current electromagnet 11 of valve body is connected with valve body 1 through threaded magnetic conduction sleeve pipe 12, compares with traditional plate-type screw connected mode electro-magnet, the pressurized area is little, the leakproofness is good, the dismantlement is convenient to both ends face plays limiting displacement about valve body 1, simple structure, it is more convenient to assemble.
In addition, the coil 13 is installed on the magnetic conduction sleeve 12 and can be freely detached, and because the electromagnet 11 breaks down, mainly the coil 13 burns out, only the damaged coil 13 needs to be detached and replaced during maintenance, and the magnetic conduction sleeve 12 can be continuously used. The O-shaped sealing ring 21 is arranged at the connecting part of the magnetic conduction sleeve 12 and the valve body 1, even in the state of pressure oil, the electromagnetic coil 13 can be replaced without any tool, the machine halt time can be shortened, and the danger of any oil liquid loss and pollution can be avoided. Meanwhile, the magnetic sleeve 12 is communicated with the valve cavity, so that the effects of reducing noise, reducing impact, improving lubricating conditions and the like can be achieved.
In the state that the electromagnet 11 is not electrified, the valve core a in the valve body 1 is kept at the middle initial position by the return spring b; when the left end electromagnet 11 is electrified, the armature is attracted, the valve core moves to the right, so that the oil inlet 15 is communicated with the working oil port II 18, the working oil port I16 is communicated with the left oil return port 17, and when the electromagnet 11 at the left end is powered off, the return spring b enables the valve core a to move to the left, and the valve core a returns to the middle position; when the electromagnet 11 at the right end is powered on, the armature is actuated, the valve core a moves to the left, so that the oil inlets 15 and the first working oil port 16 are communicated, the second working oil port 18 and the right oil return port 19 are communicated, and when the electromagnet 11 at the right end is powered off, the return spring b moves the valve core a to the right, and the valve core a returns to the middle position again.
And according to the service environment of the electromagnetic directional valve, the valve body 1 is selected to be made of CPVC material, and has higher erosion resistance, high temperature resistance, wear resistance and strength.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.
Claims (7)
1. The CPVC valve body with high temperature resistance and erosion resistance of the electromagnetic directional valve is characterized in that the left end and the right end of the valve body (1) are respectively provided with an electromagnet (11), and the electromagnets (11) are directly screwed into the valve body (1) through a magnetic conductive sleeve (12) with threads; a coil (13) is arranged on the magnetic conduction sleeve (12); the oil return valve is characterized in that an undercut groove (14) is formed in the valve body (1), an oil inlet (15) is formed in the middle of the undercut groove (14), a first working oil port (16) and a left oil return port (17) are sequentially arranged on the left side of the oil inlet (15) from inside to outside, a second working oil port (18) and a right oil return port (19) are sequentially arranged on the right side of the oil inlet (15) from inside to outside, and the left oil return port (17) and the right oil return port (19) are communicated with each other through an oil return cavity (20).
2. A CPVC valve body of high temperature and erosion resistance for electromagnetic exchange valve according to claim 1, characterized in that the valve body (1) is a CPVC material.
3. The CPVC valve body of the electromagnetic reversing valve, which is resistant to high temperature and erosion, according to claim 1, characterized in that the electromagnet (11) is a wet type direct current electromagnet.
4. A CPVC valve body of high temperature and erosion resistance for electromagnetic exchange valve according to claim 1, wherein the undercut groove (14) has a diameter of 6.0mm, and the undercut groove (14) has a width of 5.4 mm.
5. The CPVC valve body of the electromagnetic directional valve is high-temperature resistant and erosion resistant, as recited in claim 1, characterized in that the connecting part of the magnetic conductive sleeve (12) and the valve body (1) is equipped with an O-shaped sealing ring (21).
6. The CPVC valve body with high temperature resistance and erosion resistance for the electromagnetic directional valve according to claim 1, wherein the connection parts of the first working oil port (16), the second working oil port (18) and the valve body (1) are provided with sealing rings (22).
7. The CPVC valve body with high temperature resistance and erosion resistance for the electromagnetic directional valve according to claim 1, wherein the diameters of the oil inlet (15), the first working oil port (16), the left oil return port (17), the second working oil port (18) and the right oil return port (19) are 5.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264524.2U CN211370868U (en) | 2019-12-17 | 2019-12-17 | CPVC valve body of resistant high temperature erosion resistance of electromagnetic directional valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264524.2U CN211370868U (en) | 2019-12-17 | 2019-12-17 | CPVC valve body of resistant high temperature erosion resistance of electromagnetic directional valve |
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| CN211370868U true CN211370868U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922264524.2U Active CN211370868U (en) | 2019-12-17 | 2019-12-17 | CPVC valve body of resistant high temperature erosion resistance of electromagnetic directional valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418023A (en) * | 2021-01-29 | 2021-09-21 | 涌镇液压机械（上海）有限公司 | Reversing valve capable of being switched at high frequency |
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2019
- 2019-12-17 CN CN201922264524.2U patent/CN211370868U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418023A (en) * | 2021-01-29 | 2021-09-21 | 涌镇液压机械（上海）有限公司 | Reversing valve capable of being switched at high frequency |
| CN113418023B (en) * | 2021-01-29 | 2024-05-17 | 涌镇液压机械（上海）有限公司 | Reversing valve capable of being switched at high frequency |
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