CN107035889A - The solenoid directional control valve of engineering truck - Google Patents
The solenoid directional control valve of engineering truck Download PDFInfo
- Publication number
- CN107035889A CN107035889A CN201710327155.XA CN201710327155A CN107035889A CN 107035889 A CN107035889 A CN 107035889A CN 201710327155 A CN201710327155 A CN 201710327155A CN 107035889 A CN107035889 A CN 107035889A
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- Prior art keywords
- conductive shell
- magnetic conductive
- valve body
- magnetic
- valve
- Prior art date
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- 239000011241 protective layer Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
-
- 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
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
- F16K31/0613—Sliding valves with cylindrical slides
-
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of solenoid directional control valve of engineering truck, including valve component and electromagnet assembly；The valve component includes valve body and valve element；The electromagnet assembly includes pull bar, coil, magnetic shield and spring, and the electromagnet assembly also includes the first magnetic conductive shell and the second magnetic conductive shell of opposite, and the first magnetic conductive shell and the second magnetic conductive shell are fixedly connected with the valve body by fastener；The other end end face of first magnetic conductive shell has stepped hole, one end of valve body has valve body stepped hole, the other end of pull bar passes through the stepped hole of the first magnetic conductive shell and stretched into and is fixedly connected in the valve body stepped hole of valve body with one end of valve element, the periphery of the other end of pull bar is set with spring, the valve body step surface of one end of spring and the valve body stepped hole of valve body offsets, and the valve body step surface of the other end and the first magnetic conductive shell stepped hole of the first magnetic conductive shell offsets.The present invention not only reduces parts count, and reduction assembling difficulty improves shell mechanism intensity, protects coil inside, more suitable for the operating environment requirement of engineering machinery.
Description
Technical field
The present invention relates to a kind of solenoid directional control valve, and in particular to a kind of solenoid directional control valve of engineering truck.
Background technology
Existing engineering truck（Including fork truck, tractor, loading machine etc.）Solenoid directional control valve used includes valve component
And electromagnet assembly, the valve component include valve body and valve element, electromagnet assembly include the first iron core, the second iron core, yoke
And insulating protective layer, the insulating protective layer is located at the periphery of yoke, and insulating protective layer is located at the first iron core and the second iron core
Between, first iron core, the second iron core and valve body are connected as one by fastener, and the solenoid directional control valve of this kind of structure has
It is not enough：First, the valve body of the valve component is connected as one by fastener and the iron core at insulating protective layer two ends, is so existed
In assembling process, the moment of torsion of four fasteners is unbalanced because lacking support, is easy for producing warpage, skew back, compressing, and causes
Armature jam is on the inwall of magnetic shield, and the normal of influence product is used；In addition, the part of assembling is more so that the quality of assembling
It is required that also high, meanwhile, not drop resistant so that outward appearance is yielding, damage；Second, because insulating protective layer is coated on yoke periphery, institute
State insulating protective layer and be also not susceptible to radiating, the heat dispersion of electromagnet assembly will be influenceed, further influence electrical property, magnetic
Energy, mechanical property and mechanical performance.
The content of the invention
The purpose of the present invention is：One kind is provided and not only reduces parts number, and reduction assembling difficulty, improve dress
With efficiency, the solenoid directional control valve of the engineering truck of jam armature is difficult, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical scheme is that：A kind of solenoid directional control valve of engineering truck, including valve body
Component and electromagnet assembly；
The valve component includes valve body and valve element, and the valve body has valve opening, and valve element is located in the valve opening of valve body；
The electromagnet assembly includes pull bar, armature, coil, magnetic shield, magnetic guiding loop and spring, and one end of the armature is with pushing away
One end assembly connection of pull bar is formed integrally, and the magnetic shield is located at the periphery of armature, and the periphery of magnetic shield is provided with two
Magnetic guiding loop is housed between coil, two coils；Its innovative point is：
The electromagnet assembly also includes the first magnetic conductive shell and the second magnetic conductive shell of opposite, first magnetic conductive shell
One end end face of one end end face and the second magnetic conductive shell mutually fits, and first magnetic conductive shell and the second magnetic conductive shell pass through tight
Firmware is fixedly connected with the valve body；
The armature, coil, magnetic shield and magnetic guiding loop are each provided at institute's shape after the first magnetic conductive shell and the second magnetic conductive shell pairing
Into cavity volume in, and two coils one of them in the cavity volume of the first magnetic conductive shell, and another is outside the second magnetic conduction
In the cavity volume of shell；
The other end end face of first magnetic conductive shell has the first magnetic conductive shell stepped hole, and one end of valve body has valve body step
Hole, the other end of the pull bar passes through the first magnetic conductive shell stepped hole of the first magnetic conductive shell and stretches into the valve body step of valve body
Be fixedly connected in hole with one end of valve element, the periphery of the other end of the pull bar is set with spring, one end of the spring with
The valve body step surface of the valve body stepped hole of valve body is abutted against, the first magnetic conductive shell stepped hole of the other end and the first magnetic conductive shell
First magnetic conductive shell step surface is abutted against.
In the above-mentioned technical solutions, it is equipped with heat-radiation coating on the outer wall of first magnetic conductive shell and the second magnetic conductive shell
Layer.
In the above-mentioned technical solutions, the thermal dispersant coatings are nanometer heat radiation coating either dilute heat radiation coatings of graphite.
In the above-mentioned technical solutions, antirust painting is equipped with the outer wall of first magnetic conductive shell and the second magnetic conductive shell
Layer.
In the above-mentioned technical solutions, in the cavity volume formed after the first magnetic conductive shell and the second magnetic conductive shell pairing
And coil rack is additionally provided with positioned at the periphery of magnetic shield, two coils are respectively wound around on corresponding coil rack, the magnetic conduction
Ring is located between two coil racks.
In the above-mentioned technical solutions, the periphery of the coil is molded with coil protective layer.
In the above-mentioned technical solutions, the coil protective layer is thermoplastic or thermosetting plastics.
In the above-mentioned technical solutions, pad, valve body are provided with the first magnetic conductive shell stepped hole of first magnetic conductive shell
Spring base is provided with the valve body stepped hole of one end, the other end of the pull bar passes through the first magnetic conductive shell of the first magnetic conductive shell
Pad in stepped hole, one end of the spring is offseted by the valve body step surface of spring base and the valve body stepped hole of valve body, separately
One end is offseted by the first magnetic conductive shell step surface of pad and the first magnetic conductive shell stepped hole of the first magnetic conductive shell.
In the above-mentioned technical solutions, second magnetic conductive shell is provided with hand push rod mounting hole and hand push rod is housed,
Sealing ring is provided between the periphery of the rod handle of the hand push rod and hand push rod mounting hole.
In the above-mentioned technical solutions, the valve component also includes valve body end cap, and the valve body end cap is fixedly connected on valve
The other end of body, and valve body end cap has axial hexagonal mounting hole.
The good effect that has of the present invention is：Because electromagnet assembly also includes described in electromagnet assembly of the present invention
The first magnetic conductive shell and the second magnetic conductive shell of opposite, one end end face of first magnetic conductive shell and the second magnetic conductive shell
One end end face is mutually fitted, and first magnetic conductive shell and the second magnetic conductive shell are fixedly connected with the valve body by fastener, is used
The advantage of this spline structure is：First, the heat dispersion that first magnetic conductive shell and the second magnetic conductive shell have, significantly larger than
There is the insulating protective layer in technology；Second, two magnetic conductive shells of the invention are directly fixedly connected with the valve body by fastener, are cancelled
Electromagnet assembly is fixedly connected with the valve body by the iron core at insulating protective layer two ends by fastener in prior art, is reduced
The quantity of parts, and assembly difficulty is reduced, improve efficiency of assembling；3rd, fastener passes through the connection of magnetic conductive shell
Through hole, the magnetic conductive shell plays a part of guide support so that fastener uniform force, it is ensured that the moment of torsion of fastener is equal
Weighing apparatus, and ensure that the armature described in assembling process is difficult jam in magnetic shield；4th, outside two magnetic conductions of the invention
Shell can play a part of closed magnetic circuit；Again because the armature, coil, magnetic shield and magnetic guiding loop are each provided at by the first magnetic conductive shell
In the cavity volume formed after the second magnetic conductive shell pairing, and two coils one of them be mounted in the cavity volume of the first magnetic conductive shell
It is interior, and another is mounted in the cavity volume of the second magnetic conductive shell；So, efficiency of assembling can further be improved；First magnetic conduction
The other end end face of shell has the first magnetic conductive shell stepped hole, and one end of valve body has valve body stepped hole, the pull bar
The other end through the first magnetic conductive shell the first magnetic conductive shell stepped hole and stretch into the valve body stepped hole of valve body with valve element one
End is fixedly connected, and the periphery of the other end of the pull bar is set with spring, one end of the spring and the valve body step of valve body
The valve body step surface in hole offsets, the first magnetic conductive shell step of the first magnetic conductive shell stepped hole of the other end and the first magnetic conductive shell
Face offsets；It so can further improve the assembly precision and efficiency of the present invention.The present invention can not only play a part of yoke,
Thermal diffusivity is good, and reduction assembling difficulty, improves efficiency of assembling, is difficult jam armature.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the invention；
The right side that Fig. 2 is Fig. 1 regards schematic diagram；
Fig. 3 is the structural representation of the first magnetic conductive shell of the present invention；
Fig. 4 is the structural representation of the second magnetic conductive shell of the present invention；
The right side that Fig. 5 is Fig. 3 regards schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and the embodiment provided, the present invention is further illustrated, but is not limited thereto.
As shown in Fig. 1,2,3,4,5, a kind of solenoid directional control valve of engineering truck, including valve component 1 and electromagnet assembly
2；
The valve component 1 includes valve body 1-1 and valve element 1-2, the valve body 1-1, and there is valve opening 1-1-1, valve element 1-2 to be located at valve
In body 1-1 valve opening 1-1-1；
The electromagnet assembly 2 includes pull bar 2-1, armature 2-2, coil 2-3, magnetic shield 2-5, magnetic guiding loop 2-6 and spring 2-
9, one end of the armature 2-2 and pull bar 2-1 one end assembly connection or it is formed integrally, the magnetic shield 2-5 is located at armature
2-2 periphery, and magnetic shield 2-5 periphery provided with being equipped with magnetic guiding loop 2-6 between two coils 2-3, two coil 2-3；
The electromagnet assembly 2 also includes the first magnetic conductive shell 2-7 and the second magnetic conductive shell 2-8 of opposite, and described first leads
Magnetic shell 2-7 one end end face 2-7-2 and the second magnetic conductive shell 2-8 one end end face 2-8-2 mutually fit, first magnetic conduction
Shell 2-7 and the second magnetic conductive shell 2-8 are fixedly connected by fastener 4 with valve body 1-1；
The armature 2-2, coil 2-3, magnetic shield 2-5 and magnetic guiding loop 2-6 are each provided at by the first magnetic conductive shell 2-7 and the second magnetic conduction
In the cavity volume 2 ' that is formed after shell 2-8 pairings, and two coil 2-3 one of them be mounted in the first magnetic conductive shell 2-7 cavity volume
In 2 ', and another is interior mounted in the second magnetic conductive shell 2-8 cavity volume 2 '；
The other end end face of the first magnetic conductive shell 2-7 has the first magnetic conductive shell stepped hole 2-7-1, valve body 1-1 one end
With valve body stepped hole 1-1-2, the other end of the pull bar 2-1 passes through the first magnetic conductive shell 2-7 the first magnetic conductive shell platform
Rank hole 2-7-1 and stretching into is fixedly connected in valve body 1-1 valve body stepped hole 1-1-2 with valve element 1-2 one end, the pull bar 2-
The periphery of 1 other end is set with spring 2-9, the spring 2-9 one end and valve body 1-1 valve body stepped hole 1-1-2 valve
Object table terrace is abutted against, the other end and the first magnetic conductive shell 2-7 the first magnetic conductive shell stepped hole 2-7-1 the first magnetic conductive shell
Step surface is abutted against.
It is described offset to be connected in directly offset or offset indirectly, it is described to offset indirectly：As shown in figure 1, in order to further carry
The reasonability of the high present invention, and be easy in assembling, the first magnetic conductive shell stepped hole 2-7-1 of the first magnetic conductive shell 2-7
Provided with pad 2-11, spring base 2-12 is provided with the valve body stepped hole 1-1-2 of valve body 1-1 one end, the pull bar 2-1's is another
Hold through the pad 2-11 in the first magnetic conductive shell 2-7 the first magnetic conductive shell stepped hole 2-7-1, one end of the spring 2-9
Offseted by spring base 2-12 and the valve body stepped hole 1-1-2 of valve body 1 valve body step surface, the other end passes through pad 2-11 and
One magnetic conductive shell 2-7 the first magnetic conductive shell stepped hole 2-7-1 the first magnetic conductive shell step surface offsets.
In order to improve the heat dispersion of heat-dissipating casing, the first magnetic conductive shell 2-7 of the present invention and the second magnetic conductive shell 2-8
Outer wall on be equipped with thermal dispersant coatings.The thermal dispersant coatings are nanometer heat radiation coating either dilute heat radiation coatings of graphite.
Antirust coat is equipped with first magnetic conductive shell 2-7 of the present invention and the second magnetic conductive shell 2-8 outer wall.Antirust
Coating is in order to effectively prevent magnetic conductive shell from occurring the phenomenon of antirust, certainly, it is not limited to this, decorative layer can also be provided with,
The decorative layer be in order to improve radiating outward appearance aesthetic property.
As shown in figure 1, for the ease of wound around coil, it is described by the first magnetic conductive shell 2-7 and the second magnetic conductive shell 2-8 pairings
Coil rack 2-10 is additionally provided with the cavity volume 2 ' that is formed afterwards and positioned at magnetic shield 2-5 periphery, two coil 2-3 are wound respectively
On corresponding coil rack 2-10, the magnetic guiding loop 2-6 is located between two coil rack 2-10.
In order to prevent coil outer surface to be damaged, the normal of influence product is used, and the periphery of the coil 2-3 is molded with coil
Protective layer.The coil protective layer is thermoplastic or thermosetting plastics.
As shown in figure 1, once the dirt in fluid blocks the valve element of armature or valve component so that armature or valve element are not
When can move axially, armature can be promoted by promoting driving handle and the valve element movement of valve component is promoted indirectly, made
Emergency processing is acted on, and the second magnetic conductive shell 2-8 is described provided with hand push rod mounting hole 2-8-1 and equipped with hand push rod 3
Sealing ring is provided between the periphery of the rod handle of hand push rod 3 and hand push rod mounting hole 2-8-1.
As shown in figure 1, for the ease of valve body end cap is assembled into one with valve body, and reduce assembling tool, that be because
For the nipper plier at needs tip when valve body end cap is assembled with valve body in prior art, valve body passes through hexagonal with electromagnet assembly
Fastening handle, and valve body end cap of the present invention has axial hexagonal mounting hole, so, valve body end cap is assembled and valve with valve body
The assembling of body and electromagnet assembly can share same assembling tool, and the valve component 1 is described also including valve body end cap 1-3
Valve body end cap 1-3 is fixedly connected on the valve body 1-1 other end, and valve body end cap 1-3 has axial hexagonal mounting hole 1-3-1.
First magnetic conductive shell and the second magnetic conductive shell of the present invention can be the metal shell of magnetic conduction or be magnetic conduction
Alloy shell, without using Plastic Package shell again, plays the effect of closed magnetic circuit loop, directly can also be dissipated by magnetic conductive shell
Heat, certainly, can set up radiating fin, increase area of dissipation, enter on the outer wall of first magnetic conductive shell and the second magnetic conductive shell
One step improves the heat dispersion of magnetic conductive shell of the present invention.
First magnetic conductive shell and the second magnetic conductive shell of the present invention are square so that magnetic conductive shell has more design back
Leeway is revolved, vacating space size is easy to optimize electromagnet parameters, and can be by more technical parameters on the outer wall of magnetic conductive shell
Deng record, client is supplied, not fugitive color, magnetic conductive shell of the invention is processed with near-net-shape, material saving, work efficiency is high.
The present invention also has the advantage that：
First, the heat dispersion of first magnetic conductive shell and the second magnetic conductive shell is better than the insulating protective layer in prior art.
Second, two magnetic conductive shells of the invention are directly fixedly connected with the valve body by fastener, are eliminated in prior art
Electromagnet assembly is fixedly connected with the valve body by the iron core at insulating protective layer two ends by fastener, reduces the number of parts
Amount, and assembly difficulty is reduced, improve efficiency of assembling.
3rd, fastener passes through the connection through hole of magnetic conductive shell, and the magnetic conductive shell plays a part of guide support so that
Fastener uniform force, it is ensured that the moment of torsion of fastener is balanced, and ensure that armature is difficult described in assembling process
Jam is in magnetic shield.
4th, magnetic conductive shell of the invention has the advantages that anti-drop and drop resistant ability is strong.
5th, magnetic conductive shell of the invention has more preferable structural strength, preferably protects coil inside from extruding etc.
Damage, it is achieved thereby that the due superperformance of magnet coil.
Claims (10)
1. a kind of solenoid directional control valve of engineering truck, including valve component（1）And electromagnet assembly（2）；
The valve component（1）Including valve body（1-1）And valve element（1-2）, the valve body（1-1）With valve opening（1-1-1）, valve element
（1-2）It is located at valve body（1-1）Valve opening（1-1-1）It is interior；
The electromagnet assembly（2）Including pull bar（2-1）, armature（2-2）, coil（2-3）, magnetic shield（2-5）, magnetic guiding loop
（2-6）And spring（2-9）, the armature（2-2）One end and pull bar（2-1）One end assembly connection or be formed integrally, institute
State magnetic shield（2-5）It is located at armature（2-2）Periphery, and magnetic shield（2-5）Periphery provided with two coils（2-3）, two lines
Circle（2-3）Between be equipped with magnetic guiding loop（2-6）；It is characterized in that：
The electromagnet assembly（2）Also include the first magnetic conductive shell of opposite（2-7）With the second magnetic conductive shell（2-8）, it is described
First magnetic conductive shell（2-7）One end end face（2-7-2）With the second magnetic conductive shell（2-8）One end end face（2-8-2）Mutually it is affixed
Close, first magnetic conductive shell（2-7）With the second magnetic conductive shell（2-8）Pass through fastener（4）With valve body（1-1）It is fixedly connected；
The armature（2-2）, coil（2-3）, magnetic shield（2-5）And magnetic guiding loop（2-6）It is each provided at by the first magnetic conductive shell（2-7）
With the second magnetic conductive shell（2-8）The cavity volume formed after pairing（2’）It is interior, and two coils（2-3）One of them leads mounted in first
Magnetic shell（2-7）Cavity volume（2’）It is interior, and another is mounted in the second magnetic conductive shell（2-8）Cavity volume（2’）It is interior；
First magnetic conductive shell（2-7）Other end end face have the first magnetic conductive shell stepped hole（2-7-1）, valve body（1-1）
One end there is valve body stepped hole（1-1-2）, the pull bar（2-1）The other end pass through the first magnetic conductive shell（2-7）
One magnetic conductive shell stepped hole（2-7-1）And stretch into valve body（1-1）Valve body stepped hole（1-1-2）Interior and valve element（1-2）One end
It is fixedly connected, the pull bar（2-1）The periphery of the other end be set with spring（2-9）, the spring（2-9）One end and valve
Body（1-1）Valve body stepped hole（1-1-2）Valve body step surface abut against, the other end and the first magnetic conductive shell（2-7）First
Magnetic conductive shell stepped hole（2-7-1）The first magnetic conductive shell step surface abut against.
2. the solenoid directional control valve of engineering truck according to claim 1, it is characterised in that：First magnetic conductive shell（2-
7）With the second magnetic conductive shell（2-8）Outer wall on be equipped with thermal dispersant coatings.
3. the solenoid directional control valve of engineering truck according to claim 2, it is characterised in that：The thermal dispersant coatings are that nanometer dissipates
The hot coating either dilute heat radiation coating of graphite.
4. the solenoid directional control valve of engineering truck according to claim 1, it is characterised in that：First magnetic conductive shell（2-
7）With the second magnetic conductive shell（2-8）Outer wall on be equipped with antirust coat.
5. the solenoid directional control valve of engineering truck according to claim 1, it is characterised in that：It is described by the first magnetic conductive shell
（2-7）With the second magnetic conductive shell（2-8）The cavity volume formed after pairing（2’）It is interior and positioned at magnetic shield（2-5）Periphery be additionally provided with
Coil rack（2-10）, two coils（2-3）It is respectively wound around corresponding coil rack（2-10）On, the magnetic guiding loop（2-6）
It is located at two coil racks（2-10）Between.
6. the solenoid directional control valve of engineering truck according to claim 1 or 5, it is characterised in that：The coil（2-3）It is outer
It is molded with coil protective layer week.
7. the solenoid directional control valve of engineering truck according to claim 6, it is characterised in that：The coil protective layer is thermoplastic
Property plastics or thermosetting plastics.
8. the solenoid directional control valve of engineering truck according to claim 1, it is characterised in that：First magnetic conductive shell（2-
7）The first magnetic conductive shell stepped hole（2-7-1）It is interior to be provided with pad（2-11）, valve body（1-1）The valve body stepped hole of one end（1-1-
2）It is interior to be provided with spring base（2-12）, the pull bar（2-1）The other end pass through the first magnetic conductive shell（2-7）The first magnetic conduction outside
Shell stepped hole（2-7-1）Interior pad（2-11）, the spring（2-9）One end pass through spring base（2-12）With valve body（1）'s
Valve body stepped hole（1-1-2）Valve body step surface offset, the other end passes through pad（2-11）With the first magnetic conductive shell（2-7）
One magnetic conductive shell stepped hole（2-7-1）The first magnetic conductive shell step surface offset.
9. the solenoid directional control valve of engineering truck according to claim 1, it is characterised in that：Second magnetic conductive shell（2-
8）It is provided with hand push rod mounting hole（2-8-1）And equipped with hand push rod（3）, the hand push rod（3）Rod handle periphery with
Hand push rod mounting hole（2-8-1）Between be provided with sealing ring.
10. the solenoid directional control valve of engineering truck according to claim 1, it is characterised in that：The valve component（1）Also wrap
Include valve body end cap（1-3）, the valve body end cap（1-3）It is fixedly connected on valve body（1-1）The other end, and valve body end cap（1-3）
With axial hexagonal mounting hole（1-3-1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327155.XA CN107035889B (en) | 2017-05-10 | 2017-05-10 | Electromagnetic reversing valve for engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710327155.XA CN107035889B (en) | 2017-05-10 | 2017-05-10 | Electromagnetic reversing valve for engineering truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107035889A true CN107035889A (en) | 2017-08-11 |
| CN107035889B CN107035889B (en) | 2023-11-10 |
Family
ID=59538463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710327155.XA Active CN107035889B (en) | 2017-05-10 | 2017-05-10 | Electromagnetic reversing valve for engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035889B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981181A (en) * | 2020-08-31 | 2020-11-24 | 合肥工业大学 | Bistable linear force electromagnetic valve based on permanent magnet bias |
| CN114458499A (en) * | 2022-03-09 | 2022-05-10 | 哈尔滨工程大学 | Permanent magnet-electromagnetic collaborative excitation high-speed electromagnetic valve with magnetic-force conversion buffer |
Citations (11)
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| CN111981181B (en) * | 2020-08-31 | 2022-02-11 | 合肥工业大学 | Bistable linear force electromagnetic valve based on permanent magnet bias |
| CN114458499A (en) * | 2022-03-09 | 2022-05-10 | 哈尔滨工程大学 | Permanent magnet-electromagnetic collaborative excitation high-speed electromagnetic valve with magnetic-force conversion buffer |
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