CN110375091A - A kind of lightweight change valve and reversal valve based on SLM technology - Google Patents
A kind of lightweight change valve and reversal valve based on SLM technology Download PDFInfo
- Publication number
- CN110375091A CN110375091A CN201910491655.6A CN201910491655A CN110375091A CN 110375091 A CN110375091 A CN 110375091A CN 201910491655 A CN201910491655 A CN 201910491655A CN 110375091 A CN110375091 A CN 110375091A
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- China
- Prior art keywords
- valve
- runner
- oil
- oil return
- valve pocket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
- F16K11/0712—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 comprising particular spool-valve sealing means
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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
- 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
Abstract
The invention discloses a kind of lightweight change valves and reversal valve based on SLM technology, there is valve pocket hole on valve body, the first oil return runner is provided in the valve body, second oil return runner, oil return converges runner, first control oil stream road, second control oil stream road and oil inlet runner, first oil return runner, second oil return runner, first control oil stream road, one end of second control oil stream road and oil inlet runner is connected with valve pocket hole, the other end of first oil return runner and the second oil return runner converges one end that access oil return converges runner, oil return converges runner, first control oil stream road, the other end of second control oil stream road and oil inlet runner is as the interface with external valve block.Additionally provide the reversal valve with above-mentioned valve body；The present invention improves the utilization rate of valve body material, significantly mitigation valve weight.The flow passage structure in valve body and valve pocket is optimized simultaneously, reduces the pressure loss that oil liquid passes through direction valve, improves energy efficiency, application potential is huge in aircraft and mobile robot.
Description
Technical field
The invention belongs to hydraulic pressure drive control system field more particularly to a kind of lightweight change valves based on SLM technology
And reversal valve.
Background technique
Direct driving type electromagnetic reversal valve has the characteristics that structure is simple, is swift in response, and is widely used in hydraulic control.It is existing
It is mainly made of valve body, spool, compression spring, push rod and electromagnet solenoid directional control valve.Valve inner is provided with runner hole, intermediate
Equipped with spool, both ends are equipped with electromagnet.When the electromagnet of one end is powered, push rod is pushed spool to the other side by electromagnetic force
It is mobile.Corresponding hydraulic fluid port is opened or closed by the movement of control valve core, realizes the switching of hydraulic circuit.
Main part of the valve body as solenoid directional control valve, volume and quality occupy very big specific gravity in entire direction valve.
The blank of valve body is generally casting, and the final products of rectangular shape are processed by techniques such as milling, brill, vehicles.This structure makes
A part of material on valve body cannot play its effect, not only waste material, but also will affect aircraft, robot etc. and move
The load capacity and mobility of dynamic equipment.
Chinese patent document CN201611047987 disclose a kind of proportional reversing valve hollow out spool based on SLM technology and
Proportional reversing valve comprising: spool main body and capping two parts.Wherein the inside of the spool main body of spool main body has special
Support construction；There is external screw thread on the boss of capping, with spool main body right end tool internal thread through-hole by being threadedly engaged, shape
At complete spool.The proportional reversing valve improves frequency response by the design of valve core structure, but light weight degree is extremely limited, can not
It adapts to the higher occasion of product lightweight requirements.
Summary of the invention
It is an object of the invention to overcome the design of existing change valve and processing limitation, provide a kind of based on constituency
The lightweight change valve and reversal valve of laser fusing (SLM) forming technique.Due to the hardness ratio of SLM forming stainless steel material
Traditional material is high, and the valve body main aperture turning difficulty of the manufacturing process is bigger.Therefore, the technical problem to be solved by the present invention is to set
A kind of lightweight valve body structure is counted out, further, designs a kind of dedicated valve pocket to solve the main aperture and main aperture of SLM forming valve body
The problem of interior groove structure is difficult to.Finally, SLM technology is allowed to be successfully applied to the manufacture of change valve
Journey, the significant quality for mitigating valve body, while optimizing the runner of valve inner, reduce oil liquid pressure caused by flow passage structure and loses.
The object of the invention to solve the technical problems adopts the following technical solutions realization: one kind is based on SLM technology
Lightweight change valve, have valve pocket hole on the valve body, the first oil return runner, the second oil return stream be provided in the valve body
Road, oil return converge runner, the first control oil stream road, the second control oil stream road and oil inlet runner, the first oil return runner, second time
Oil stream road, the first control oil stream road, second control oil stream road and one end of oil inlet runner and are connected with valve pocket hole, the first oil return
The other end of runner and the second oil return runner converges one end that access oil return converges runner, and oil return converges runner, the first control oil
The other end of runner, the second control oil stream road and oil inlet runner is as the interface with external valve block.
Further, the symmetrical position in valve body upper surface both ends is equipped with positioning spiro pit, and the positioning spiro pit passes through
Wear the one side wall of valve body at this.
Further, the bottom plate of the valve body is equipped with open U-shaped installation slotted eye.
The second object of the present invention is to provide a kind of lightweight reversal valve based on SLM technology, including valve pocket, spool, multiple
Position spring, push rod, flux sleeve, electromagnet, above-mentioned lightweight change valve；The valve pocket is mounted in the valve pocket hole of valve body,
Main aperture is provided on the valve pocket axis direction, for inner wall of main hole vehicle there are five logical oily cavity, five lead to oily cavities from left to right successively
The one of oil stream road is controlled with one end of the first oil return runner, the one end in the first control oil stream road, the other end of oil inlet runner, second
End is connected with one end of the second oil return runner；For spool in the main aperture of the valve pocket, the both ends of valve pocket install one respectively
Flux sleeve, push rod are arranged in flux sleeve, and one end of reset spring resists spool, and the other end of reset spring resists flux sleeve,
Push rod opposite flux sleeve under the action of electromagnet horizontally slips；Electromagnet is set outside flux sleeve, and with the concentric cloth of flux sleeve
It sets.
Further, the both ends of the valve pocket are equipped with installation threaded hole, and the end that flux sleeve is connect with valve pocket has outer spiral shell
Line, installs threaded hole and external screw thread is meshed.
Further, sealing structure is set between the valve pocket hole and the external cylindrical surface of valve pocket.
Further, the external cylindrical surface of the valve pocket is got on the bus, and there are six the seal groove for being used for mounting O-shaped sealing ring, sealings
Ring recess in the axial direction separates five of valve body logical oily cavities.
Further, valve body upper surface both ends are symmetrically arranged with positioning spiro pit, and the positioning spiro pit runs through valve body
One side wall installs positioning screw in positioning spiro pit, and positioning screw holds out against valve pocket.
Compared with the existing technology, beneficial effects of the present invention are as follows:
1, the present invention is designed to the lightweight structure to match completely with valve flowing channel and installation requirement on valve body structure,
Lightweight valve body realizes that loss of weight 60%, lightweight valve body are opposite with the structure after valve pocket assembly relative to the valve body of conventional direction valve
Loss of weight 50% is realized in former valve body, greatly mitigates the quality of valve body, to save the energy and manufacture material.
2, present invention design has dedicated valve pocket, converts the post-processing of SLM valve body to the processing of valve pocket, reduces valve body
Difficulty of processing, and then ensure that the cooperation precision of spool and valve body；By optimizing valve inner flow passage structure, reduces oil liquid and pass through
The pressure loss caused by valve body.
Detailed description of the invention
Fig. 1 is the cross-sectional view of valve body provided by the present invention；
Fig. 2, Fig. 3 are the axonometric drawings of valve body；
Fig. 4 is the partial sectional view of lightweight reversal valve provided by the present invention；
Fig. 5 is the cross-sectional view of dedicated valve pocket provided in the present invention；
Fig. 6 is the shaft side figure of valve pocket；
In figure, fixture nut 1, electromagnet 2, push rod 3, reset spring 4, spool 5, valve pocket 6, valve body 7, gasket 8, positioning spiral shell
Nail 9, flux sleeve 10, O-ring seal 11, oil return converge runner 12, positioning spiro pit 13, the control oil stream road of valve pocket hole 14, first
15, oil inlet runner external structure 16, U-lag hole 17, oil return runner external structure 18, valve pocket oil return hole 19, logical oily cavity 20, installation spiral shell
Pit 21, seal groove 22, valve pocket control oilhole 23, annular groove 24, valve pocket fuel feed hole 25, the first oil return runner 26, the second oil return
Runner 27, second controls oil stream road 28, oil inlet runner 29.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description and attached
When figure, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.In following exemplary embodiment
Described embodiment does not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
It is described in detail in middle claims, the example of the consistent device of some aspects of the invention.Each implementation of this specification
Example is described in a progressive manner.
As shown in Figure 1-3, a kind of lightweight change valve 7 based on SLM technology proposed by the invention, the valve body
There is valve pocket hole 14 on 7, the first oil return runner 26 is provided in the valve body 7, the second oil return runner 27, oil return converge runner 12,
One control oil stream road 15, second controls oil stream road 28 and oil inlet runner 29, the first oil return runner 26, the second oil return runner 27,
First control oil stream road 15, second controls oil stream road 28 and one end of oil inlet runner 29 and is connected with valve pocket hole 14, and first time
The other end of oil stream road 26 and the second oil return runner 27 converges access oil return and converges one end of runner 12, oil return converge runner 12,
First control oil stream road 15, second controls the other end of oil stream road 28 and oil inlet runner 29 as the interface with external valve block.
The 7 symmetrical position in upper surface both ends of valve body is equipped with positioning spiro pit 13, and the positioning spiro pit 13 runs through should
Locate the one side wall of valve body 7.
As shown in figures 1 to 6, the present invention also provides a kind of lightweight reversal valves based on SLM technology, including valve pocket 6, spool
5, reset spring 4, push rod 3, flux sleeve 10, electromagnet 2, above-mentioned lightweight change valve 7；
The valve pocket 6 is mounted in the valve pocket hole 14 of valve body 7, is provided with main aperture, inner wall of main hole on 6 axis direction of valve pocket
There are five logical oily cavity 20, the both sides vehicles of the logical oily cavity 20 to have annular groove 24, the probability of 5 clamping stagnation of spool be reduced, with five for vehicle
Logical oil cavity 20 is corresponding to open that there are two 19, two valve pockets work oilholes 23 of valve pocket oil return hole and a valves in 6 side wall of valve pocket
Fuel feed hole 25 is covered, two valve pocket oil return holes, 19, two valve pocket work oilholes 23 are symmetrically distributed in the two sides of valve pocket fuel feed hole 25,
Five logical oily cavities 20 pass sequentially through one end of valve pocket oil return hole 19 and the first oil return runner 26 from left to right, are worked by valve pocket
The one end in oilhole 23 and the first control oil stream road 15, by the other end of valve pocket fuel feed hole 25 and oil inlet runner, pass through another
Valve pocket work oilhole 23 and second controls the one end in oil stream road 28 and passes through another valve pocket oil return hole 19 and the second oil return runner
27 one end is connected, to guarantee that hydraulic oil smoothly flows through valve pocket 6；Spool 5 is mounted in the main aperture of the valve pocket 6, valve pocket 6
A flux sleeve 10 is installed at both ends respectively, and push rod 3 is arranged in flux sleeve 10, and one end of reset spring 4 resists valve by gasket 8
Core 5, the other end of reset spring 4 resist flux sleeve 10, and the opposite flux sleeve 10 under the action of electromagnet 2 of push rod 3 horizontally slips；
Electromagnet 2 is set outside flux sleeve 10, and with the concentric arrangement of flux sleeve 10,10 outer end of flux sleeve has external screw thread, by this
The fixture nut that is screwed on external screw thread 1 is fixed on electromagnet 2 outside flux sleeve 10.Pass through the control system of switching on or off electricity spool 5 of electromagnet 2
Move left and right, realize the on-off and switching of hydraulic circuit.
The both ends of the valve pocket 6 are equipped with installation threaded hole 21, and the end that flux sleeve 10 is connect with valve pocket 6 has external screw thread,
Installation threaded hole 21 and external screw thread are meshed.
Sealing structure is set between the valve pocket hole 14 and the external cylindrical surface of valve pocket 6.Specifically, sealing structure is in valve pocket
6 external cylindrical surface is got on the bus there are six the seal groove 22 for being used for mounting O-shaped sealing ring 11, and seal groove 22 in the axial direction will
The logical oily cavity 20 of five of valve body 7 separates, and two O-ring seals 11 at both ends prevent the hydraulic oil in reversal valve oil return circuit from seeping
Reversal valve is leaked out, four intermediate O-ring seals 11 prevent the hydraulic oil inside reversal valve in each oil circuit through valve body 7 and valve pocket
Gap between 6 interpenetrates.
The 7 upper surface both ends of valve body are symmetrically arranged with positioning spiro pit 13, and the positioning spiro pit 13 runs through 7 side of valve body
Wall, positioning screw 9 is installed in positioning spiro pit 13, and positioning screw 9 holds out against valve pocket 6.The positioning spiro pit 13 is located at the valve
The outside for covering 6 outermost end O-ring seal slots 22, impacts, positioning screw 9 to avoid the O-shaped sealing effect to sealing ring 11
After screwing, head holds out against the external cylindrical surface of valve pocket 6, and valve pocket 6 is kept not have axial and circumferential displacement when reversal valve works.
The two sides of the valve body 7 are separately designed according to the shape and position of oil inlet and oil return runner according to certain wall thickness
Oil inlet runner external structure 16 and oil return runner external structure 18；The mounting hole of the valve body 7 is designed as open U-lag hole 17,
The structure not only can provide enough operating spaces for the installation of the valve body 7, can also be further reduced in the valve body 7
Unnecessary material；The inner flow passage of the valve body 7 is all made of the tangent smooth curved transition of circular arc and junction, to reduce office
Portion's pressure loss.
Working principle of the present invention is as follows:
This lightweight solenoid directional control valve is mounted in hydraulic circuit, when the electromagnet of reversal valve one end is powered electromagnetism masterpiece
For push rod, so that oil inlet runner and the first control oil stream road are connected to, while the second control oil stream road is connected to oil return runner.This
When, the oil liquid of oil pump output enters inside valve pocket from valve body oil inlet runner by valve pocket fuel feed hole, using the control oil of valve pocket
Hole and the first control oil stream road of valve body leave reversal valve.The oil liquid flowed back to from actuator controls oil stream road from valve body second and passes through
Another control oilhole for crossing valve pocket enters inside valve pocket, leaves commutation using the oil return hole of valve pocket and the oil return runner of valve body
Valve flows back to system fuel tank.
Design and processing limitation for existing change valve, the present invention provides one kind to be based on precinct laser fusion
(SLM) the lightweight valve body and solenoid directional control valve of forming technique.The present invention devises a kind of lightweight valve body structure, further
, the groove structure in main aperture and main aperture for devising a kind of dedicated valve pocket to solve the problems, such as SLM forming valve body is difficult to.
SLM technology is allowed to be successfully applied to the manufacturing process of change valve, the significant quality for mitigating valve body, while valve inner
Runner by optimization after, can reduce oil liquid pressure caused by flow passage structure loss, improve energy utilization efficiency.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
Claims (8)
1. a kind of lightweight change valve based on SLM technology, which is characterized in that have valve pocket hole, the valve on the valve body
The first oil return runner is provided in body, the second oil return runner, oil return converge runner, the first control oil stream road, the second control oil stream road
And oil inlet runner, the first oil return runner, the second oil return runner, the first control oil stream road, the second control oil stream road and oil inlet stream
The one end in road is connected with valve pocket hole, and the other end of the first oil return runner and the second oil return runner converges access oil return assemble jamming
The one end in road, oil return converge runner, first control oil stream road, second control oil stream road and oil inlet runner the other end as with it is outer
The interface of portion's valve block.
2. a kind of lightweight change valve based on SLM technology according to claim 1, which is characterized in that the valve
The symmetrical position in body upper surface both ends is equipped with positioning spiro pit, one side wall of the positioning spiro pit through valve body at this.
3. a kind of lightweight change valve based on SLM technology according to claim 1, which is characterized in that the valve
The bottom plate of body is equipped with open U-shaped installation slotted eye.
4. a kind of lightweight reversal valve based on SLM technology, which is characterized in that including valve pocket, spool, reset spring, push rod, lead
Magnetosheath, electromagnet, lightweight change valve described in claim 1；
The valve pocket is mounted in the valve pocket hole of valve body, main aperture is provided on the valve pocket axis direction, there are five inner wall of main hole vehicles
Logical oil cavity, five logical oily cavities from left to right successively with one end of the first oil return runner, the first control oil stream road one end, into
The other end in oil stream road, second one end for controlling oil stream road are connected with one end of the second oil return runner；Spool is mounted in the valve
In the main aperture of set, a flux sleeve is installed at the both ends of valve pocket respectively, and push rod is arranged in flux sleeve, and one end of reset spring resists
Spool, the other end of reset spring resist flux sleeve, and push rod opposite flux sleeve under the action of electromagnet horizontally slips；Flux sleeve
Outer setting electromagnet, and with the concentric arrangement of flux sleeve.
5. a kind of lightweight reversal valve based on SLM technology according to claim 4, which is characterized in that the valve pocket
Both ends are equipped with installation threaded hole, and the end that flux sleeve is connect with valve pocket has external screw thread, install threaded hole and external screw thread is meshed.
6. a kind of lightweight reversal valve based on SLM technology according to claim 4, which is characterized in that the valve pocket hole
Sealing structure is set between the external cylindrical surface of valve pocket.
7. a kind of lightweight reversal valve based on SLM technology according to claim 4, which is characterized in that the valve pocket
External cylindrical surface is got on the bus there are six the seal groove for being used for mounting O-shaped sealing ring, and seal groove is in the axial direction by the five of valve body
A logical oily cavity separates.
8. a kind of lightweight reversal valve based on SLM technology according to claim 4, which is characterized in that on the valve body
Surface both ends are symmetrically arranged with positioning spiro pit, and the positioning spiro pit runs through valve body one side wall, installs positioning in positioning spiro pit
Screw, positioning screw hold out against valve pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491655.6A CN110375091A (en) | 2019-06-06 | 2019-06-06 | A kind of lightweight change valve and reversal valve based on SLM technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491655.6A CN110375091A (en) | 2019-06-06 | 2019-06-06 | A kind of lightweight change valve and reversal valve based on SLM technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110375091A true CN110375091A (en) | 2019-10-25 |
Family
ID=68249884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910491655.6A Pending CN110375091A (en) | 2019-06-06 | 2019-06-06 | A kind of lightweight change valve and reversal valve based on SLM technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN110375091A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111120456A (en) * | 2019-12-30 | 2020-05-08 | 浙江大学 | Material increase manufacturing hydraulic flow channel on-way pressure loss testing device |
| CN112879369A (en) * | 2021-01-25 | 2021-06-01 | 深圳市桑特液压技术有限公司 | Proportional valve control method |
| CN114087410A (en) * | 2021-12-27 | 2022-02-25 | 利恩(海宁)科技有限公司 | Light-weight reversing valve body |
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| CN208397037U (en) * | 2018-07-03 | 2019-01-18 | 裕泰液压技术(上海)有限公司 | A kind of floating type thread cartridge two-position four-way solenoid valve |
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| KR20110073673A (en) * | 2009-12-24 | 2011-06-30 | 설철수 | Assembly method of solenoid valve body and solenoid valve for doubleaction cylinder |
| US20130221253A1 (en) * | 2012-02-14 | 2013-08-29 | Liebherr-Aerospace Lindenberg Gmbh | Servo valve |
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| CN111120456A (en) * | 2019-12-30 | 2020-05-08 | 浙江大学 | Material increase manufacturing hydraulic flow channel on-way pressure loss testing device |
| CN112879369A (en) * | 2021-01-25 | 2021-06-01 | 深圳市桑特液压技术有限公司 | Proportional valve control method |
| CN114087410A (en) * | 2021-12-27 | 2022-02-25 | 利恩(海宁)科技有限公司 | Light-weight reversing valve body |
| CN114087410B (en) * | 2021-12-27 | 2024-04-12 | 利恩(海宁)科技有限公司 | Lightweight reversing valve body |
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Application publication date: 20191025 |