CN208331392U - A kind of solenoid directional control valve and its valve body - Google Patents
A kind of solenoid directional control valve and its valve body Download PDFInfo
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- CN208331392U CN208331392U CN201820753667.2U CN201820753667U CN208331392U CN 208331392 U CN208331392 U CN 208331392U CN 201820753667 U CN201820753667 U CN 201820753667U CN 208331392 U CN208331392 U CN 208331392U
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- 230000008676 import Effects 0.000 claims abstract description 30
- 239000012530 fluid Substances 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 235000015927 pasta Nutrition 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 233
- 238000010586 diagram Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Abstract
A kind of electromagnetic switch valve body and its solenoid directional control valve, there is the outlet of valve body oil strain and the import of valve body oil strain on valve body, and oil strain delivery channel and oil strain input duct, and filter is fixedly connected on valve body, the import of valve body oil strain is connected by oil strain input duct with the second oil duct, the outlet of valve body oil strain is connected by oil strain delivery channel with oil inlet, filter core is fixedly connected on outer casing base, and outer casing base is equipped with filter oil inlet and filter oil outlet, filter oil inlet and the outlet of valve body oil strain are opposite, the centre bore lower part of filter core is connected with filter oil inlet, by-passing valve is equipped between the centre bore top of filter core and the inner wall of closure head.The solenoid directional control valve of the utility model is equipped with oil filter on valve body, and cleaning is more convenient, and the dirt content of oil filter is bigger, the service intervals time can be very long, and because oil filter is equipped with by-passing valve, thus when dirt quantity is more, critical failure will not occur.
Description
Technical field
The utility model relates to a kind of solenoid directional control valves, and in particular to a kind of solenoid directional control valve and its valve that engineering is automobile-used
Body.
Background technique
Engineering truck described in the utility model includes fork truck, tractor, loading machine etc..
Solenoid directional control valve used in existing engineering truck includes valve body, spool and electromagnet assembly, and the spool is located at valve
In the valve body main aperture of body, and one end of valve body is fixedly connected with end cap, the other end and electromagnet assembly assemble and with electromagnet group
The inner cavity of part communicates, the valve body include three oil ducts and drainback passage, three oil ducts respectively with the first hydraulic fluid port, second oil
Mouth is connected with oil inlet, and oil return opening is connected with drainback passage, and three oil ducts and drainback passage are connected with valve body main aperture
Logical, existing drainback passage serves not only as the drainback passage of pressure oil circulation, while also doubling as the oil pressure balance stream at spool both ends
Road, when passing through drainback passage oil return due to pressure oil, the pollutant contained in pressure oil can enter the inner cavity of electromagnet assembly,
And pollutant is accumulated for a long time under the action of electromagnet assembly residual magnetism, is easy to block the inner cavity of electromagnet assembly, so that electric
Magnet assemblies failure；Once engineering truck in the process of moving, cannot be grasped normally as the electromagnetic switch defective valve of self shifter
Control shift travels so that engineering truck climbing is difficult, descending car slipping if keeping off in a level land high position, and being also easy to stop does not live vehicle, easily causes great
Safety hazards.Solenoid directional control valve in prior art also has service life short, and contamination resistance is weak, and poor reliability etc. lacks
Point.
Past solenoid directional control valve uses chip strainer in filtering contaminants, and chip strainer is inlaid in control valve and electromagnetism
Between valve, assembly and disassembly are inconvenient, and are easy to bring dirt into the oilhole of control valve and the oilhole of solenoid valve into when assembly and disassembly, aggravate instead dirty
Contaminate machine part.When needing to check oil filter, it is necessary to when removing solenoid valve first, and restoring, the 4 of solenoid valve installation
A bolt has the sequence successively tightened, and installation torque demand, very inconvenient in use in this way.It is more crucial technical to ask
Topic: chip strainer has the drawback that: 1, receiving dirt total amount is small, and regular inspection is needed to clean, and service intervals are short, and
Actually it is difficult to accomplish to be regularly maintained in use, the time is long, and solenoid directional control valve is easy for shift failure, due to chip strainer
At solenoid valve oil inlet, slightly dirt is blocked, and the loss of pressure and flow will be very big；2, chip strainer does not bypass
Valve can enter solenoid valve oil inlet without oil, solenoid valve will be entirely ineffective after the contaminated object of chip strainer is completely plugged.
Summary of the invention
First purpose of the utility model is: providing a kind of removing dirt convenience, dirt content is big, and service intervals are long, not shadow
Ring oil pressure and the few electromagnetic switch valve body of flow loss.
Second purpose of the utility model is: providing a kind of removing dirt convenience, dirt content is big, and service intervals are long, oil pressure
Loss and the few solenoid directional control valve of flow loss.
In order to reach the first purpose, first technical solution of the utility model is: a kind of electromagnetic switch valve body, the valve
Body includes the first hydraulic fluid port, the second hydraulic fluid port, oil return opening, oil inlet and the valve body main aperture being axially arranged with along it, and along valve body main aperture
The first oil duct, the second oil duct and third oil duct of axially spaced arrangement, first hydraulic fluid port are connected with the first oil duct on inner wall,
Second hydraulic fluid port is connected with third oil duct, and first oil duct and third oil duct are connected with valve body main aperture；
Oil return runner is equipped in the valve body, the oil return opening is connected with oil return runner, the both ends difference of oil return runner
Positioned at the outside of the first oil duct and third oil duct, and the both ends of oil return runner are connected with valve body main aperture；
In the valve body main aperture between the both ends of oil return runner, there are also the valve body Firsts of axially spaced arrangement
Rank, the 4th step of valve body second step, valve body third step and valve body；
Oil pressure balance runner is additionally provided in the valve body, the both ends of the oil pressure balance runner are located at oil return runner two
The outside at end, and the both ends of oil pressure balance runner are connected with valve body main aperture；
The both ends of the valve body inner valve body main aperture are also respectively equipped with the 5th step of valve body and the 6th step of valve body, valve along axial direction
The 5th step of body and the 6th step of valve body are located at the outside at oil return runner both ends and the inside at oil pressure balance runner both ends；Its
It is characterized in that:
A, there is the outlet of valve body oil strain and the import of valve body oil strain and oil strain delivery channel and oil strain input on the valve body
Runner；
B, the valve body oil strain import is connected by oil strain input duct with the second oil duct, and the valve body oil strain outlet is logical
Oil strain delivery channel is crossed to be connected with oil inlet.
In the above-mentioned technical solutions, the valve body oil strain outlet and valve body oil strain import are located at and valve body oil where oil inlet
On the opposite valve body top surface in mouth face.
In the above-mentioned technical solutions, the valve body oil strain outlet and valve body oil strain import are located at and valve body oil where oil inlet
In the adjacent side of valve body in mouth face.
In order to reach the second purpose, second technical solution of the utility model is: a kind of solenoid directional control valve, including valve body,
Spool, valve body end cap and electromagnet assembly；
The valve body includes the first hydraulic fluid port, the second hydraulic fluid port, oil return opening, oil inlet and the valve body main aperture being axially arranged with along it,
And along valve body inner wall of main hole axially spaced arrangement the first oil duct, the second oil duct and third oil duct, first hydraulic fluid port with
First oil duct is connected, and the second hydraulic fluid port is connected with third oil duct, and first oil duct, the second oil duct and third oil duct are and valve
Body main aperture is connected；
Oil return runner is equipped in the valve body, the oil return opening is connected with oil return runner, the both ends difference of oil return runner
Positioned at the outside of the first oil duct and third oil duct, and the both ends of oil return runner are connected with valve body main aperture；
One end of the valve body is fixedly connected with electromagnet assembly, and the other end of valve body end cap and valve body is tightly connected；
In the valve body main aperture between the both ends of oil return runner, there are also the valve body Firsts of axially spaced arrangement
Rank, the 4th step of valve body second step, valve body third step and valve body；
The spool is located in the valve body main aperture of valve body, and the middle part of spool has the spool first of axially spaced arrangement convex
Platform and spool second boss, and logical pasta is equipped in spool first boss and spool second boss；
The electromagnet assembly include the first iron core, the second iron core, armature, push-pull rod, coil, reset spring, magnetic yoke, every
One is made in magnetosheath and magnetic guiding loop, one end of the armature and one end load of push-pull rod, the both ends difference of the magnetic shield
Load is welded on the first iron core and the second iron core, and magnetic shield is located at the periphery of armature, and the coil is located at magnetic shield
Periphery, and magnetic guiding loop is housed between two coils, the magnetic yoke is located at the periphery of two coils；
First iron core is equipped with axial stepped hole, and gasket is equipped in stepped hole, has limit on the push-pull rod
Protrusion, retention bead are against the side of gasket, and the other end of push-pull rod passes through gasket and is fixedly connected with one end of spool, described
One end of spool is set with spring base, and the periphery of the other end of push-pull rod is set with reset spring, and one end of reset spring with
The side of spring base offsets, and the other end of the reset spring and the other side of gasket offset；
The both ends of the spool are also respectively provided with the 4th boss of three boss of the spool mat woven of fine bamboo strips and spool；
Oil pressure balance runner is additionally provided in the valve body, the both ends of the oil pressure balance runner are located at oil return runner two
The outside at end, and the both ends of oil pressure balance runner are connected with valve body main aperture；
The both ends of the valve body inner valve body main aperture are also respectively equipped with the 5th step of valve body and the 6th step of valve body, valve along axial direction
The 5th step of body and the 6th step of valve body are located at the outside at oil return runner both ends and the inside at oil pressure balance runner both ends；
Three boss of the spool mat woven of fine bamboo strips and the 4th boss of spool at the spool both ends respectively with corresponding the 5th step of valve body and valve
The cooperation of the 6th step glade plane space of body；It is characterized by:
A, there is the outlet of valve body oil strain and the import of valve body oil strain and oil strain delivery channel and oil strain input on the valve body
Runner, and filter is fixedly connected on the valve body；
B, the valve body oil strain import is connected by oil strain input duct with the second oil duct, and the valve body oil strain outlet is logical
Oil strain delivery channel is crossed to be connected with oil inlet；
C, the filter includes outer casing base, filter core, casing cylinder and closure head, and the closure head is fixedly connected
On the top of casing cylinder, the outer casing base is fixedly connected on the valve body, and the filter core is fixedly connected on outer casing base
On, and the outer casing base is equipped with filter oil inlet and filter oil outlet, the filter oil inlet and the valve body
Oil strain outlet is opposite, and the filter oil outlet is opposite with the valve body oil strain import；
D, the centre bore lower part of the filter core is connected with the filter oil inlet on outer casing base, the filter core it is described
By-passing valve is equipped between centre bore top and the inner wall of closure head.
In the above-mentioned technical solutions, the valve body oil strain outlet and valve body oil strain import are located at and valve body oil where oil inlet
On the opposite valve body top surface in mouth face.
In the above-mentioned technical solutions, the valve body oil strain outlet and valve body oil strain import are located at and valve body oil where oil inlet
On the adjacent side of valve body face in mouth face.
In the above-mentioned technical solutions, the other side of the spring base can be with the 6th step of valve body and/or the 4th boss of spool
It offsets.
In the above-mentioned technical solutions, the lower part Yu shell bottom of the toroidal cavity between the outer wall and casing cylinder of the filter core
Filter oil outlet on seat is connected.
In the above-mentioned technical solutions, the filter oil inlet is located in the middle part of the outer casing base, and the outer casing base
Center has step, and the filter oil inlet is located on the horizontal plane of the step, and the outer peripheral surface of the step is equipped with
The sealing ring cooperated with the centre bore, and the filter core is set on the sealing ring of the step by the centre bore lower part
And it is tightly connected with outer casing base.
In the above-mentioned technical solutions, one end of the by-passing valve can open or close the top of the centre bore, the other end
It is cased with case of by-pass valve, and the inner wall of the case of by-pass valve and the closure head offsets.
Good effect possessed by the utility model is:
Due to having the outlet of valve body oil strain and the import of valve body oil strain and oil strain delivery channel on the valve body of the utility model
Oil filter can be very easily installed on valve body with oil strain input duct, so in actual use when in oil filter dirt it is more
When needing to clear up, oil filter only need to be unloaded to cleaning, it is more convenient without removing entire solenoid valve, and also the appearance of oil filter is dirty
Measure bigger, the service intervals time can be very long, and the surface area of filter core is big, oil pressure and hydraulic when filter core accumulates a small amount of dirt in use
The flow of oil is unaffected.
Since the solenoid directional control valve of the utility model is equipped with oil filter on valve body, past chip strainer is compared, when
Dirt is more in oil filter when needing to clear up, and oil filter only need to be unloaded to cleaning, more convenient without removing entire solenoid valve,
And the dirt content of oil filter is bigger, and the service intervals time can be very long, and the surface area of filter core is big, and filter core accumulation is a small amount of in use
The flow of oil pressure and hydraulic oil is unaffected when dirt, when dirt quantity is more, can be continued by by-passing valve normal
It uses, is unlikely to photo formula strainer and critical failure occurs like that.
Detailed description of the invention
Fig. 1 is the schematic front view of solenoid directional control valve in the utility model；
Fig. 2 is the schematic top plan view of Fig. 1；
Fig. 3 is the A-A schematic cross-sectional view of Fig. 1；
Fig. 4 is the C-C schematic cross-sectional view of Fig. 2；
Fig. 5 is the schematic front view of valve body in Fig. 1；
Fig. 6 is the schematic top plan view of Fig. 5；
Fig. 7 is the E-E rotation schematic diagram of Fig. 3；
Fig. 8 is the B-B schematic cross-sectional view of Fig. 3；
Fig. 9 is the elevational schematic view of Fig. 5；
Figure 10 is the structural schematic diagram of oil filter in Fig. 3；
Figure 11 is another viewing angle constructions schematic diagram of oil filter in Fig. 4；
Figure 12 is the schematic top plan view of oil filter housing pedestal in Figure 11；
Figure 13 is the elevational schematic view of oil filter housing pedestal in Figure 11；
Figure 14 is the use schematic diagram of oil filter in the utility model.
Label: 100- valve body；The first oil duct of 111-；The second oil duct of 112-；113- third oil duct；The first hydraulic fluid port of 114-；
The second hydraulic fluid port of 115-；116- oil return opening；117- oil inlet；118- valve body main aperture；119- oil return runner；1110- oil pressure balance stream
Road；The outlet of 1112- valve body oil strain；1113- valve body oil strain import；The outlet of 1120- valve body oil strain；1130- oil strain input duct；
121- valve body first step；122- valve body second step；123- valve body third step；The 4th step of 124- valve body；125- valve body
5th step；The 6th step of 126- valve body；130- valve body fixation hole；140- oil filter fixation hole；200- spool；210- spool
First boss；220- spool second boss；230- spool third boss；The 4th boss of 240- spool；250- connecting sleeve；
260- leads to pasta；270- balancing slit；300- valve body end cap；400- electromagnet assembly；The first iron core of 410-；411- stepped hole；
The second iron core of 420-；421- driving handle；430- armature；431- retention bead；432- push-pull rod；440- coil；450- resets
Spring；460- magnetic yoke；470- insulating protective layer；500- gasket；600- spring base；700- magnetic shield；800- magnetic guiding loop；900-
Oil filter；910- outer casing base；911- filter oil inlet；912- filter oil outlet；913- step；914- outer casing base
Fixation hole；920- filter core；921- centre bore；930- casing cylinder；950- by-passing valve；951- case of by-pass valve.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the utility model is further described, but is not limited to
This.
Embodiment one:
As shown in Fig. 1~12, a kind of electromagnetic switch valve body 100, valve body 100 includes the first hydraulic fluid port 114, the second hydraulic fluid port
115, oil return opening 116, oil inlet 117 and the valve body main aperture 118 being axially arranged with along it, and the axis along 118 inner wall of valve body main aperture
To the first oil duct 111 arranged apart, the second oil duct 112 and third oil duct 113, the first hydraulic fluid port 114 and 111 phase of the first oil duct
Connection, the second hydraulic fluid port 115 is connected with third oil duct 113, the first oil duct 111 and third oil duct 113 with 118 phase of valve body main aperture
Connection；
As shown in fig. 7, being equipped with oil return runner 119 in valve body 100, oil return opening 116 is connected with oil return runner 119, oil return
The both ends of runner 119 are located at the outside of the first oil duct 111 and third oil duct 113, and the both ends of oil return runner 119 and valve body
Main aperture 118 is connected.
As shown in fig. 7, there are also axially spaced arrangements in valve body main aperture 118 between the both ends of oil return runner 119
Valve body first step 121, the 4th step 124 of valve body second step 122, valve body third step 123 and valve body.
As shown in Fig. 4,7, oil pressure balance runner 1110, the both ends point of oil pressure balance runner 1110 are additionally provided in valve body 100
Not Wei Yu 119 both ends of oil return runner outside, and the both ends of oil pressure balance runner 1110 are connected with valve body main aperture 118.
As shown in Fig. 4,7, the both ends of 100 inner valve body main aperture 118 of valve body are also respectively equipped with the 5th step 125 of valve body along axial direction
With the 6th step 126 of valve body, the 5th step 125 of valve body and the 6th step 126 of valve body are located at the outer of 119 both ends of oil return runner
The inside at 1110 both ends of side and oil pressure balance runner.
Have valve body oil strain outlet 1112 and valve body oil strain import 1113 and oil strain defeated as shown in Fig. 3,6, on valve body 100
Runner 1120 and oil strain input duct 1130 out.
As shown in fig. 7, valve body oil strain import 1113 is connected by oil strain input duct 1130 with the second oil duct 112, valve
Body oil strain outlet 1112 is connected by oil strain delivery channel 1120 with oil inlet 117.
Valve body oil strain outlet 1112 and valve body oil strain import 1113 are located at opposite with 117 place valve body hydraulic fluid port face of oil inlet
On valve body top surface, it is of course also possible to be that valve body oil strain outlet 1112 and valve body oil strain import 1113 are located at and 117 institute of oil inlet
In the adjacent side of valve body in valve body hydraulic fluid port face.
Embodiment two:
As shown in Fig. 1~12, a kind of solenoid directional control valve, including valve body 100, spool 200, valve body end cap 300 and electromagnet
Component 400.
As shown in Fig. 4,7, valve body 100 includes the first hydraulic fluid port 114, the second hydraulic fluid port 115, oil return opening 116,117 and of oil inlet
The valve body main aperture 118 being axially arranged with along it, and the first oil duct 111 of axially spaced arrangement, along 118 inner wall of valve body main aperture
Two oil ducts 112 and third oil duct 113, the first hydraulic fluid port 114 are connected with the first oil duct 111, the second hydraulic fluid port 115 and third oil duct
113 are connected, and the first oil duct 111, the second oil duct 112 and third oil duct 113 are connected with valve body main aperture 118.
As shown in fig. 7, being equipped with oil return runner 119 in valve body 100, oil return opening 116 is connected with oil return runner 119, oil return
The both ends of runner 119 are located at the outside of the first oil duct 111 and third oil duct 113, and the both ends of oil return runner 119 and valve body
Main aperture 118 is connected.
As shown in figure 4, one end of valve body 100 is fixedly connected with electromagnet assembly 400, valve body end cap 300 and valve body 100
The other end is tightly connected.
As shown in fig. 7, there are also axially spaced arrangements in valve body main aperture 118 between the both ends of oil return runner 119
Valve body first step 121, the 4th step 124 of valve body second step 122, valve body third step 123 and valve body；
As shown in figure 4, spool 200 is located in the valve body main aperture 118 of valve body 100, the middle part of spool 200 has along axial point
Open the spool first boss 210 and spool second boss 220 of arrangement, and spool first boss 210 and spool second boss 220
On be equipped with logical pasta 260；
As shown in figure 4, electromagnet assembly 400 include the first iron core 410, the second iron core 420, armature 430, push-pull rod 432,
Coil 440, reset spring 450, magnetic yoke 460, magnetic shield 700 and magnetic guiding loop 800, one end and the push-pull rod 432 of armature 430
One is made in one end load, and the both ends of magnetic shield 700 load or are welded on the first iron core 410 and the second iron core 420 respectively
On, and magnetic shield 700 is located at the periphery of armature 430, coil 440 is located at the periphery of magnetic shield 700, and between two coils 440
Equipped with magnetic guiding loop 800, magnetic yoke 460 is located at the periphery of two coils 440；
First iron core 410 is equipped with axial stepped hole 411, and gasket 500 is equipped in stepped hole 411, on push-pull rod 432
With retention bead 431, retention bead 431 is against the side of gasket 500, and the other end of push-pull rod 432 passes through gasket 500 simultaneously
It is fixedly connected with one end of spool 200, one end of spool 200 is set with spring base 600, the periphery of the other end of push-pull rod 432
Be set with reset spring 450, and one end of reset spring 450 and the side of spring base 600 offset, reset spring 450 it is another
It holds and offsets with the other side of gasket 500.
As shown in figure 4, the both ends of spool 200 are also respectively provided with three boss 230 of the spool mat woven of fine bamboo strips and the 4th boss 240 of spool.
As shown in fig. 7, oil pressure balance runner 1110 is additionally provided in valve body 100, the both ends difference of oil pressure balance runner 1110
Positioned at the outside at 119 both ends of oil return runner, and the both ends of oil pressure balance runner 1110 are connected with valve body main aperture 118；
As shown in figure 4, the both ends of 100 inner valve body main aperture 118 of valve body are also respectively equipped with 125 He of the 5th step of valve body along axial direction
The 6th step 126 of valve body, the 5th step 125 of valve body and the 6th step 126 of valve body are located at the outside at 119 both ends of oil return runner
With the inside at 1110 both ends of oil pressure balance runner；
Three boss 230 of the spool mat woven of fine bamboo strips and the 4th boss 240 of spool at 200 both ends of spool respectively with corresponding the 5th step of valve body
125 and 126 glade plane space of the 6th step of valve body cooperation.
There is valve body oil strain outlet 1112 and valve body oil strain import 1113 and oil strain delivery channel 1120 on valve body 100
With oil strain input duct 1130, and filter 900 is fixedly connected on valve body 100；
As shown in figure 3, valve body oil strain import 1113 is connected by oil strain input duct 1130 with the second oil duct 112, valve
Body oil strain outlet 1112 is connected by oil strain delivery channel 1120 with oil inlet 117.
As shown in Fig. 3,4,10,11, filter 900 includes outer casing base 910, filter core 920, casing cylinder 930 and shell
Top cover 940, closure head 940 are fixedly connected on the top of casing cylinder 930, and outer casing base 910 is fixedly connected on valve body 100
On, filter core 920 is fixedly connected on outer casing base 910, and outer casing base 910 is equipped with filter oil inlet 911 and filtering
Device oil outlet 912, filter oil inlet 911 and the outlet 1112 of valve body oil strain are opposite, filter oil outlet 912 and valve body oil strain into
Mouth 1113 is opposite.
As shown in Fig. 3,4,10,11,921 lower part of centre bore of filter core 920 and the filter oil inlet on outer casing base 910
911 are connected, and by-passing valve 950 is equipped between 921 top of centre bore of filter core 920 and the inner wall of closure head 940.
Valve body oil strain outlet 1112 and valve body oil strain import 1113 are located at opposite with 117 place valve body hydraulic fluid port face of oil inlet
On valve body top surface, it is of course also possible to be that valve body oil strain outlet 1112 and valve body oil strain import 1113 are located at and 117 institute of oil inlet
In the adjacent side of valve body in valve body hydraulic fluid port face.
As shown in figure 4, the other side of spring base 600 can be with the 6th step 126 of valve body and/or 240 phase of the 4th boss of spool
It supports.
As shown in Fig. 3,4,9,10, the lower part of the toroidal cavity between the outer wall and casing cylinder 930 of filter core 920 and shell
Filter oil outlet 912 on pedestal 910 is connected.
As shown in Fig. 4,9,10,11, filter oil inlet 911 is located at 910 middle part of outer casing base, and in outer casing base 910
There is step 913 at portion, filter oil inlet 911 is located on the horizontal plane of step 913, the outer peripheral surface of step 913 be equipped with
Centre bore 921 cooperate sealing ring, and filter core 920 by 921 lower part of centre bore be set on the sealing ring of step 913 with it is outer
Shell pedestal 910 is tightly connected.
As shown in Fig. 4,9,10, one end of by-passing valve 950 can open or close the top of centre bore 921, and the other end is cased with
Case of by-pass valve 951, and case of by-pass valve 951 and the inner wall of closure head 940 offset.
As shown in Fig. 2,6,9, also there is oil filter fixation hole 140, for filter 900 to be fixedly connected on valve body 100
On valve body, also there is valve body fixation hole 130, for installing valve body 100 on valve body 100.
Claims (10)
1. a kind of electromagnetic switch valve body (100), the valve body (100) includes the first hydraulic fluid port (114), the second hydraulic fluid port (115), returns
Hydraulic fluid port (116), oil inlet (117) and the valve body main aperture (118) being axially arranged with along it, and along valve body main aperture (118) inner wall
The first oil duct (111), the second oil duct (112) and the third oil duct (113) of axially spaced arrangement, first hydraulic fluid port (114) with
First oil duct (111) is connected, and the second hydraulic fluid port (115) is connected with third oil duct (113), first oil duct (111) and
Three oil ducts (113) are connected with valve body main aperture (118)；
Oil return runner (119) are equipped in the valve body (100), the oil return opening (116) is connected with oil return runner (119), returns
The both ends in oil stream road (119) are located at the outside of the first oil duct (111) and third oil duct (113), and oil return runner (119)
Both ends are connected with valve body main aperture (118)；
In the valve body main aperture (118) between the both ends of oil return runner (119), there are also the valve bodies of axially spaced arrangement the
One step (121), the 4th step (124) of valve body second step (122), valve body third step (123) and valve body；
It is additionally provided with oil pressure balance runner (1110) in the valve body (100), the both ends difference of the oil pressure balance runner (1110)
Positioned at the outside at oil return runner (119) both ends, and the both ends of oil pressure balance runner (1110) are connected with valve body main aperture (118)；
The both ends of valve body (100) the inner valve body main aperture (118) are also respectively equipped with the 5th step (125) of valve body and valve body along axial direction
6th step (126), the 5th step (125) of valve body and the 6th step (126) of valve body are located at oil return runner (119) both ends
The inside in outside and oil pressure balance runner (1110) both ends；It is characterized by:
A, there is valve body oil strain outlet (1112) and valve body oil strain import (1113) and oil strain output stream on the valve body (100)
Road (1120) and oil strain input duct (1130)；
B, the valve body oil strain import (1113) is connected by oil strain input duct (1130) with the second oil duct (112), described
Valve body oil strain outlet (1112) is connected by oil strain delivery channel (1120) with oil inlet (117).
2. electromagnetic switch valve body according to claim 1, it is characterised in that: the valve body oil strain outlet (1112) and valve
Body oil strain import (1113) is located on the valve body top surface opposite with valve body hydraulic fluid port face where oil inlet (117).
3. electromagnetic switch valve body according to claim 1, it is characterised in that: the valve body oil strain outlet (1112) and valve
Body oil strain import (1113) is located in the side of valve body adjacent with valve body hydraulic fluid port face where oil inlet (117).
4. a kind of solenoid directional control valve, including valve body (100), spool (200), valve body end cap (300) and electromagnet assembly (400)；
The valve body (100) includes the first hydraulic fluid port (114), the second hydraulic fluid port (115), oil return opening (116), oil inlet (117) and edge
Its valve body main aperture (118) being axially arranged with, and along valve body main aperture (118) inner wall axially spaced arrangement the first oil duct
(111), the second oil duct (112) and third oil duct (113), first hydraulic fluid port (114) are connected with the first oil duct (111), the
Two hydraulic fluid ports (115) are connected with third oil duct (113), first oil duct (111), the second oil duct (112) and third oil duct
(113) it is connected with valve body main aperture (118)；
Oil return runner (119) are equipped in the valve body (100), the oil return opening (116) is connected with oil return runner (119), returns
The both ends in oil stream road (119) are located at the outside of the first oil duct (111) and third oil duct (113), and oil return runner (119)
Both ends are connected with valve body main aperture (118)；
One end of the valve body (100) is fixedly connected with electromagnet assembly (400), and valve body end cap (300) is another with valve body (100)
One end is tightly connected；
In the valve body main aperture (118) between the both ends of oil return runner (119), there are also the valve bodies of axially spaced arrangement the
One step (121), the 4th step (124) of valve body second step (122), valve body third step (123) and valve body；
The spool (200) is located in the valve body main aperture (118) of valve body (100), and the middle part of spool (200) has axially spaced
The spool first boss (210) and spool second boss (220) of arrangement, and spool first boss (210) and spool second boss
(220) logical pasta (260) are equipped on；
The electromagnet assembly (400) include the first iron core (410), the second iron core (420), armature (430), push-pull rod (432),
Coil (440), reset spring (450), magnetic yoke (460), magnetic shield (700) and magnetic guiding loop (800), the one of the armature (430)
One is made in end and one end load of push-pull rod (432), and the both ends of the magnetic shield (700) load or are welded on the respectively
On one iron core (410) and the second iron core (420), and magnetic shield (700) is located at the periphery of armature (430), and the coil (440) sets
Magnetic guiding loop (800) are housed in the periphery of magnetic shield (700), and between two coils (440), the magnetic yoke (460) is located at two
The periphery of coil (440)；
First iron core (410) is equipped with axial stepped hole (411), and is equipped with gasket (500) in stepped hole (411), described
There are retention bead (431) on push-pull rod (432), retention bead (431) is against the side of gasket (500), push-pull rod (432)
The other end passes through gasket (500) and is fixedly connected with one end of spool (200), and one end of the spool (200) is set with spring
Seat (600), the periphery of the other end of push-pull rod (432) is set with reset spring (450), and one end of reset spring (450) with
The side of spring base (600) offsets, and the other side of the other end and gasket (500) of the reset spring (450) offsets；
The both ends of the spool (200) are also respectively provided with the 4th boss (240) of three boss of the spool mat woven of fine bamboo strips (230) and spool；
It is additionally provided with oil pressure balance runner (1110) in the valve body (100), the both ends difference of the oil pressure balance runner (1110)
Positioned at the outside at oil return runner (119) both ends, and the both ends of oil pressure balance runner (1110) are connected with valve body main aperture (118)；
The both ends of valve body (100) the inner valve body main aperture (118) are also respectively equipped with the 5th step (125) of valve body and valve body along axial direction
6th step (126), the 5th step (125) of valve body and the 6th step (126) of valve body are located at oil return runner (119) both ends
The inside in outside and oil pressure balance runner (1110) both ends；
Three boss of the spool mat woven of fine bamboo strips (230) and the 4th boss (240) of spool at spool (200) both ends respectively with corresponding valve body
Five steps (125) and the cooperation of the 6th step (126) glade plane space of valve body；It is characterized by:
A, there is valve body oil strain outlet (1112) and valve body oil strain import (1113) and oil strain output on the valve body (100)
Runner (1120) and oil strain input duct (1130), and filter (900) are fixedly connected on the valve body (100)；
B, the valve body oil strain import (1113) is connected by oil strain input duct (1130) with the second oil duct (112), described
Valve body oil strain outlet (1112) is connected by oil strain delivery channel (1120) with oil inlet (117)；
C, the filter (900) includes outer casing base (910), filter core (920), casing cylinder (930) and closure head
(940), the closure head (940) is fixedly connected on the top of casing cylinder (930), and the outer casing base (910) is fixed to be connected
It connects on the valve body (100), the filter core (920) is fixedly connected on outer casing base (910), and the outer casing base
(910) filter oil inlet (911) and filter oil outlet (912), the filter oil inlet (911) and the valve are equipped with
Body oil strain exports (1112) relatively, and the filter oil outlet (912) and the valve body oil strain import (1113) are opposite；
D, the filter oil inlet (911) on centre bore (921) lower part with outer casing base (910) of the filter core (920) is connected
It is logical, by-passing valve is equipped between the centre bore (921) top of the filter core (920) and the inner wall of closure head (940)
(950)。
5. electromagnetic switch valve body according to claim 4, it is characterised in that: the valve body oil strain outlet (1112) and valve
Body oil strain import (1113) is located on the valve body top surface opposite with valve body hydraulic fluid port face where oil inlet (117).
6. electromagnetic switch valve body according to claim 4, it is characterised in that: the valve body oil strain outlet (1112) and valve
Body oil strain import (1113) is located in the side of valve body adjacent with valve body hydraulic fluid port face where oil inlet (117).
7. solenoid directional control valve according to claim 4, it is characterised in that: the other side energy and valve body of the spring base (600)
6th step (126) and/or the 4th boss (240) of spool offset.
8. solenoid directional control valve according to claim 4, it is characterised in that: the outer wall and casing cylinder of the filter core (920)
(930) lower part of the toroidal cavity between is connected with the filter oil outlet (912) on outer casing base (910).
9. solenoid directional control valve according to claim 4, it is characterised in that: the filter oil inlet (911) is located at described outer
In the middle part of shell pedestal (910), and the outer casing base (910) center has step (913), the filter oil inlet (911)
It is located on the horizontal plane of the step (913), the outer peripheral surface of the step (913) is equipped with to be cooperated with the centre bore (921)
Sealing ring, and the filter core (920) is set on the sealing ring of the step (913) by the centre bore (921) lower part
And it is tightly connected with outer casing base (910).
10. solenoid directional control valve according to claim 4, it is characterised in that: one end of the by-passing valve (950) can open or close
Close the top of the centre bore (921), the other end is cased with case of by-pass valve (951), and the case of by-pass valve (951) with it is described
The inner wall of closure head (940) offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753667.2U CN208331392U (en) | 2018-05-18 | 2018-05-18 | A kind of solenoid directional control valve and its valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753667.2U CN208331392U (en) | 2018-05-18 | 2018-05-18 | A kind of solenoid directional control valve and its valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331392U true CN208331392U (en) | 2019-01-04 |
Family
ID=64774329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820753667.2U Withdrawn - After Issue CN208331392U (en) | 2018-05-18 | 2018-05-18 | A kind of solenoid directional control valve and its valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443561A (en) * | 2018-05-18 | 2018-08-24 | 常州市康士达机电有限公司 | Solenoid directional control valve and its valve body |
-
2018
- 2018-05-18 CN CN201820753667.2U patent/CN208331392U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443561A (en) * | 2018-05-18 | 2018-08-24 | 常州市康士达机电有限公司 | Solenoid directional control valve and its valve body |
| CN108443561B (en) * | 2018-05-18 | 2024-03-08 | 常州市康士达机电有限公司 | Electromagnetic reversing valve and valve body thereof |
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