CN205859227U - Liquid gas pressure guides switching valve - Google Patents
Liquid gas pressure guides switching valve Download PDFInfo
- Publication number
- CN205859227U CN205859227U CN201620833475.3U CN201620833475U CN205859227U CN 205859227 U CN205859227 U CN 205859227U CN 201620833475 U CN201620833475 U CN 201620833475U CN 205859227 U CN205859227 U CN 205859227U
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- CN
- China
- Prior art keywords
- piston
- spring
- switching valve
- input channel
- gas pressure
- 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.)
- Expired - Fee Related
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of liquid gas pressure and guide switching valve, the piston seat including a body, being fixed in this body, the first piston at the input channel two ends at this body being reciprocally moveable and the second piston and the first spring between two-piston and piston seat and the second spring.Fluid pressure can trigger one of them piston and draw back dynamic, disengages so that the open circuit that fluid is able between the piston by moving back and input channel enters output channel.When wherein a piston moves back the one end making this input channel for open circuit, the other end of another piston then this input channel of locking.This utility model supports two pistons with two spring correspondences, and the shake-up probability of spring reduces, and makees dynamic frequency and reduces, and consume reduces.By this spring ejection part and this pad, making the two ends of spring obtain spacing, the telescopic movable making spring is more stable, promotes the stability of piston start according to this, and keeps piston stroke not skewed.
Description
Technical field
This utility model relates to a kind of switching valve, in more detail, is that a kind of liquid gas pressure guides switching valve.
Background technology
It is the valve opening corresponding end path according to the action direction of pressure source that liquid gas pressure guides switching valve.Fig. 1 and Fig. 2 describes
Traditional liquid gas pressure guides switching valve.Have in the inside of body 10 input channel that two ends communicate with the external world 11 and one with
The output channel 12 that input channel 11 communicates；First piston 13 is located at this input channel 11, can seal the one of this input channel 11
End；Second piston 14 is located in this input channel 11, can seal the other end of this input channel 11；First piston 13 and second is lived
Plug 14 relatively wear in concentric each other and can the relation of relative movement, a sheathed compression spring on the position relatively worn
15, the two ends of this compression spring 15 support first piston 13 and the second piston 14 respectively.
During normality, make first piston 13 and the second piston 14 seal this input respectively by the elastic force of this compression spring 15 and lead to
The two ends in road 11.The two ends of input channel 11 connect hydraulic power source and pneumatic supply respectively, and system selects to disengage with " OR " logical judgment
Hydraulic pressure or air pressure.When disengaging liquid or air pressure, the fluid pressure come in from one end of input channel 11 promote correspondence piston 14 to
Retreating and then compression spring 15, input channel 11 other end is still by piston 13 locking, and the piston of retrogressing makes input channel 11
One end and output channel 12 form path output liquid or air pressure.
Aforementioned conventional switching valve is at two pistons 13, a sheathed spring 15, the start of any one piston between 14
This spring 15 will be touched, spring 15 to make dynamic frequency high, consume is fast, and easily causes the start of two pistons 13,14 simultaneously
Abnormal, such as piston backward travel deficiency, piston stroke deflection, the congruent problem of gate blocking.Additionally, one end quilt of spring 15
Also can affect the other end of spring 15 during shake-up, to such an extent as to the start of two pistons 13,14 may interfere with each other.
Utility model content
The utility model proposes a kind of structure improved liquid gas pressure for the problems referred to above to be solved and guide switching valve.
For achieving the above object, the technical solution adopted in the utility model is: a kind of liquid gas pressure guides switching valve, including:
One body, this body has the input channel at through two ends；This body separately has one and connects with this input channel
And run through the output channel of this this body sidewall；
One piston seat, for the fixture being positioned in this input channel；This piston seat centrally through one ring-type in
Wall defines the throwing part of a through hole type；
One first piston and one second piston, be respectively provided with a mandrel portion and the lock portion greater diameter than this mandrel portion；
The mandrel portion of first piston is relative with the mandrel portion heart coaxially to each other of one second piston and is distinctly placed through placing of this piston seat
In portion, and there is a spacing opposite end in two mandrel portions when normality；
One first spring and one second spring, be set in outside the mandrel portion of this first piston and this second piston respectively, should
Wherein one end of first spring and this second spring is resisted against the two side faces of this piston seat, this first spring and this second bullet respectively
The other end of spring is resisted against this first piston and the lock portion of the second piston respectively；Bullet by the first spring He this second spring
Power, pushes against this first piston toward the two ends of this input channel with this second piston respectively.
It is also preferred that the left this piston seat two side faces is respectively equipped with the spring ejection part of a groove-like, in order to receive and spacing this
One spring and the end of this second spring.
It is also preferred that the left this first piston and this second piston sheathed pad outside the mandrel portion being close to its lock portion,
The end of this first spring and this second spring is resisted against this pad.
Further, outside this first piston and this second piston mandrel portion between this pad and this lock portion
The Magnet of a sheathed annular；Two magnet sensor are fixed in the position that the outside of this body is corresponding with this Magnet, in order to feel
The displacement of Magnet should sense signal with output displacement.
It is also preferred that the left the two ends of this input channel connect one first pipe joint by helicitic texture respectively and the second pipeline connects
Head；The elastic force of this first spring and this second spring, just this first piston and this second piston are toward the two ends of this input channel
The port of this first pipe joint and this second pipe joint is closed during pushing and pressing.
It is also preferred that the left this lock portion further includes the locking groove of accommodating location one only close rubber, should only close rubber periphery and
This first pipe joint and the second pipe joint and should position that only close rubber periphery is corresponding, be respectively equipped with each other can be closely sealed one
Cambridge ring is convex and a cambridge ring is recessed.
It is also preferred that the left the center of only close rubber and this first piston and this second piston of being somebody's turn to do is to be screwed a bolt, this spiral shell
Close rubber should be stopped in the head compressing location of bolt.
The beneficial effects of the utility model:
Switching valve of the present utility model is to trigger start by fluid pressure, this switching valve of management and control and the control of high-pressure fluid
System processed the most only starts the high-pressure fluid of a wherein fluid input lines by " OR logical judgment ".With high-pressure fluid from this
As a example by one pipe joint input, fluid pressure forms a pushing force to this first piston, and this first piston pushes backwards against contracting should
First spring, makes the lock portion of this first piston depart from this first pipe joint, shape between lock portion and the first pipe joint
Having become one to be available for the open circuit that fluid passes through, high-pressure fluid must be disengaged toward output channel via input channel by this open circuit.In
This simultaneously, this this second pipe joint of the second piston still locking.
Supported two pistons by two springs correspondence respectively, only can touch when any one piston is by fluid pressure start with
Corresponding spring, another piston and another spring are not touched.
This utility model supports two pistons with two spring correspondences, makes the start of two pistons maintain individual, each other
Will not interfere with each other or affect.
Starving switching valve with single spring of the prior art to compare, this utility model supports two work with two spring correspondences
Plug, the shake-up probability of spring reduces, and makees dynamic frequency and reduces, and consume reduces.By this spring ejection part and this pad, make spring
Two ends obtain spacing, the telescopic movable making spring is more stable, according to this promote piston start stability, and keep piston row
Journey is not skewed.
Convex by the closeest rubber and described cambridge ring and a cambridge ring is recessed, the closely sealed leakage-proof effect of locking according to this.
Accompanying drawing explanation
Fig. 1 is the normality profile of tradition switching valve.
Fig. 2 starves start profile for tradition switching valve.
Fig. 3 is the outside drawing of this creation switching valve.
Fig. 4 is the normality profile of this creation switching valve.
Fig. 5 is the start profile one of this creation switching valve.
Fig. 6 is that start profile two starved by this creation switching valve.
Wherein: 20-body；21-input channel；22-the first pipe joint；221-cambridge ring is recessed；23-the second pipeline connects
Head；231-cambridge ring is recessed；24-output channel；30-piston seat；32-throwing part；33-spring ejection part；40-first piston；41-
Mandrel portion；42-lock portion；44-stops close rubber；45-locking groove；46-cambridge ring is convex；47-bolt；48-Magnet；49-pad；
50-the second piston；51-mandrel portion；54-stops close rubber；55-locking groove；56-cambridge ring is convex；57-bolt；58-Magnet；59-pad
Sheet；61-the first spring；62-the second spring；63-magnet sensor；64-magnet sensor.
Detailed description of the invention
For ease of illustrating that this creates central idea represented in above-mentioned novel content one hurdle, hereby with specific embodiment table
Reach.In embodiment, various different Object Sides are described in being suitable to the ratio of explanation, size, deflection or displacement, rather than by real
The ratio of border assembly is drawn.
As shown in Figure 3 and Figure 4, liquid gas pressure guiding switching valve includes:
One body 20, this body 20 has the input channel 21 at through two ends, and the two ends of this input channel 21 are respectively
One first pipe joint 22 and the second pipe joint 23, this first and second pipe joint 22,23 points is connected by helicitic texture
Tong Guo helicitic texture linking fluid input lines (not shown)；This body 20 separately have one connect with this input channel 21 and
Run through the output channel 24 of this body 20 sidewall.
One piston seat 30, is a fixture being positioned in this input channel 21；This piston seat 30 centrally through
Endless inner wall defines the throwing part 32 of a through hole type；This piston seat 30 two-phase heteropleural is respectively equipped with the spring ejection part of a groove-like
33。
One first piston 40 and one second piston 50, is respectively provided with a mandrel portion 41,51 and greater diameter than this mandrel portion
The lock portion 42,52 of 41,51；This mandrel portion 41,51 heart coaxially to each other is placed through the throwing part of this piston seat 30 relatively and distinctly
In 32, and there is a spacing opposite end in this two mandrels portion 41,51 when normality；This two lock portion 42,52 respectively relatively this first
With the second pipe joint 22,23；When normality, this two lock portion 42,52 wants locking this first pipe joint 22 and second pipeline
Joint 23.For making this lock portion 42,52 fill part locking this first pipe joint 22 and second pipe joint 23, this utility model is real
The lock portion 42,52 executing example also includes the locking groove 45,55 of accommodating location one only close rubber 44,54, should stop close rubber 44,54
Periphery, and this first pipe joint 22 and the second pipe joint 23 with should position that only close rubber 44,54 periphery is corresponding, respectively
It is equipped with cambridge ring convex 46,56 and cambridge ring recessed 221,231.This cambridge ring convex 46,56 and the corresponding combination of cambridge ring recessed 221,231
Time can increase the closely sealed leakage-proof effect of locking.Additionally, stop close rubber 44,54 to position this, should only close rubber 44,54 and this first
The center of piston 40 and one second piston 50 is to be screwed a bolt 47,57 and fixed by the head compressing of this bolt 47,57
Close rubber 44,54 should be stopped in position.The end face of this two lock portion 42,52 this piston seat 30 relative is respectively equipped with a Magnet 48,58 and one
Pad 49,59.
One first spring 61 and one second spring 62, is set in this first piston 40 and mandrel portion 41 of the second piston 50,
Outside 51, its one end is resisted against the spring ejection part 33 of this piston seat 30, and the other end is resisted against this first piston 40 and the second piston
The pad 49,59 of the lock portion 42,52 of 50.When normality, the elastic force of this spring 61,62, respectively by this first piston 40 and
Two pistons 50, toward the first pipe joint 22 and direction pushing and withstanding of the second pipe joint 23, make first piston 40 and 50 points of the second piston
It is not positioned at locked position of coupler, and it is closely sealed to fill part performance locking by recessed 221,231 combinations of this cambridge ring above-mentioned convex 46,56 and cambridge ring
This first pipe joint 22 and effect of the second pipe joint 23.
Two magnet sensor 63,64 are fixed in the outside of this body 20 and this Magnet 48,58 corresponding positions, in order to
The displacement of induced magnet 48,58 senses signal with output displacement.
It is to trigger start by fluid pressure that liquid gas pressure guides switching valve, this switching valve of management and control and the control of high-pressure fluid
System the most only starts the high-pressure fluid of a wherein fluid input lines by " OR logical judgment ".
As it is shown in figure 5, high-pressure fluid forms a pushing force to this first piston 40 when this first pipe joint 22 inputs,
This first piston 40 is pushed backwards against this first spring 61 of contracting, makes the lock portion 42 of this first piston 40 depart from this first pipeline and connect
22, cambridge ring convex 46 that in figure, the most visible only close rubber 44 and first piston 40 agree with originally and recessed 221 points of cambridge ring
Open, then between lock portion 42 and the first pipe joint 22, define one and be available for the open circuit that fluid passes through, high-pressure fluid
Must be disengaged toward output channel 24 via input channel 21 by this open circuit.Simultaneously, this second piston 50 still locking this
Two pipe joints 23.Its Magnet 48 displacement of first piston 40 priming drawing back dynamic, this magnet sensor 63 senses Magnet 48
Move thus output displacement sensing signal to this system.
As shown in Figure 6, high-pressure fluid forms a pushing force to this second piston 50 when this second pipe joint 23 inputs,
This second piston 50 is pushed backwards against this second spring 62 of contracting, makes the lock portion 52 of this second piston 50 depart from this second pipeline and connect
23, cambridge ring convex 56 that in figure, the most visible only close rubber 54 and the second piston 50 agree with originally and recessed 231 points of cambridge ring
Open, then between lock portion 52 and the second pipe joint 23, define one and be available for the open circuit that fluid passes through, high-pressure fluid
Must be disengaged toward output channel 24 via input channel 21 by this open circuit.Simultaneously, this first piston 40 still locking this
One pipe joint 21.Its Magnet 58 displacement of the second piston 50 priming drawing back dynamic, this magnet sensor 64 senses Magnet 58
Move thus output displacement sensing signal to this system.
Claims (8)
1. a liquid gas pressure guides switching valve, it is characterised in that: including:
One body, this body has the input channel at through two ends；This body separately has one and connects with this input channel and pass through
Wear the output channel of this this body sidewall；
One piston seat, for the fixture being positioned in this input channel；This piston seat centrally through endless inner wall circle
The throwing part of a fixed through hole type；
One first piston and one second piston, be respectively provided with a mandrel portion and the lock portion greater diameter than this mandrel portion；First
The mandrel portion of piston is relative with the mandrel portion heart coaxially to each other of one second piston and is distinctly placed through in the throwing part of this piston seat,
And two the opposite end in mandrel portion have a spacing when normality；
One first spring and one second spring, be set in the mandrel portion of this first piston and the mandrel portion of this second piston respectively
Outward, wherein one end of this first spring and this second spring is resisted against the two side faces of this piston seat respectively, this first spring and should
The other end of the second spring is resisted against this first piston lock portion and the lock portion of the second piston respectively；By the first spring and should
The elastic force of the second spring, pushes against first piston and the second piston toward the two ends of input channel respectively.
2. liquid gas pressure as claimed in claim 1 guides switching valve, it is characterised in that: piston seat two side faces is respectively equipped with a groove
The spring ejection part of shape, in order to receive and the end of this first spring spacing and this second spring.
3. liquid gas pressure as claimed in claim 1 guides switching valve, it is characterised in that: first piston and this second piston respectively at
The end being close to a sheathed pad outside the mandrel portion of its lock portion, this first spring and this second spring is resisted against this pad.
4. liquid gas pressure as claimed in claim 3 guides switching valve, it is characterised in that: first piston and this second piston respectively at
The Magnet of a sheathed annular outside mandrel portion between this pad and this lock portion；Two magnet sensor are fixed in outside this body
The position that portion is corresponding with this Magnet, senses signal in order to sense the displacement of this Magnet with output displacement.
5. liquid gas pressure as claimed in claim 1 guides switching valve, it is characterised in that: screw thread is passed through at the two ends of input channel respectively
Structure connects one first pipe joint and the second pipe joint；This first spring and the elastic force of this second spring, by first piston
With the second piston toward input channel two ends push against time close the first pipe joint and the port of the second pipe joint.
6. liquid gas pressure as claimed in claim 1 guides switching valve, it is characterised in that: lock portion also includes that accommodating location one is the closeest
The locking groove of rubber.
7. liquid gas pressure as claimed in claim 5 guides switching valve, it is characterised in that: stop periphery and this first pipe of close rubber
Pipeline connector and the second pipe joint and should position that only close rubber periphery is corresponding, be respectively equipped with each other can be closely sealed a cambridge ring convex
Recessed with a cambridge ring.
8. liquid gas pressure as claimed in claim 7 guides switching valve, it is characterised in that: only close rubber and this first piston and this
The center of two pistons is to be screwed a bolt, and close rubber should be stopped in the head compressing location of this bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620833475.3U CN205859227U (en) | 2016-08-03 | 2016-08-03 | Liquid gas pressure guides switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620833475.3U CN205859227U (en) | 2016-08-03 | 2016-08-03 | Liquid gas pressure guides switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859227U true CN205859227U (en) | 2017-01-04 |
Family
ID=57654733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620833475.3U Expired - Fee Related CN205859227U (en) | 2016-08-03 | 2016-08-03 | Liquid gas pressure guides switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131326A (en) * | 2017-07-06 | 2017-09-05 | 轩维技术（北京）有限公司 | Switching valve |
-
2016
- 2016-08-03 CN CN201620833475.3U patent/CN205859227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131326A (en) * | 2017-07-06 | 2017-09-05 | 轩维技术（北京）有限公司 | Switching valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200803 |