CN207701834U - Pressure sensitive automatic reversing apparatus - Google Patents
Pressure sensitive automatic reversing apparatus Download PDFInfo
- Publication number
- CN207701834U CN207701834U CN201721408563.XU CN201721408563U CN207701834U CN 207701834 U CN207701834 U CN 207701834U CN 201721408563 U CN201721408563 U CN 201721408563U CN 207701834 U CN207701834 U CN 207701834U
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- water outlet
- seal receptacle
- sealing cover
- spring
- sealing
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Abstract
The utility model provides pressure sensitive automatic reversing apparatus, including valve body, first spring, second spring, first sealing cover and the second sealing cover, valve body includes water inlet, first water outlet and the second water outlet, first water outlet, second water outlet is connected to water inlet respectively, the first seal receptacle is equipped between water inlet and the first water outlet, second water outlet is equipped with the second seal receptacle, first sealing cover is from the first seal receptacle fluid outlet the first seal receptacle of sealing and by the first spring compression, second sealing cover seals the second seal receptacle from the second seal receptacle fluid inlet and is propped up by second spring.It is simple in structure, definite functions, utilize simple physical principle, by the pressure of liquid itself, not by any external force, under the premise of not increasing any device, it only needs to apply certain pressure to the present apparatus by liquid, the flow direction of liquid can be changed automatically by being not required to manual intervention, and manufacture and operating cost are low, are conducive to large-scale promotion.
Description
Technical field
The utility model industry irrigation equipment technical field concerning farmers, more particularly to pressure sensitive automatic reversing apparatus.
Background technology
Reversal valve is changed using the relative position between valve body and sealing cover, is closed to change the connection between each valve port of valve body
System, to reach switching fluid path, control liquid flow path direction is answered extensively to control the startup, stopping and the direction of motion of executing agency
For every field especially machinery industry, but since these reversal valves are often complicated, volume is larger, expensive, needs
It to be controlled by the modes such as manual or electronic, pneumatic, operating cost is very high, cannot be satisfied the demand in agricultural irrigation.
Invention content
For mirror with this, the utility model proposes pressure sensitive automatic reversing apparatus, can automatically switch to flow according to Fluid pressure
To.
What the technical solution of the utility model was realized in：Pressure sensitive automatic reversing apparatus, including valve body, the first bullet
Spring, second spring, the first sealing cover and the second sealing cover, the valve body include water inlet, the first water outlet and the second water outlet,
First water outlet, the second water outlet are connected to the water inlet respectively, between the water inlet and first water outlet
Equipped with first seal receptacle, second water outlet is equipped with the second seal receptacle, and first sealing cover is from the first seal receptacle
Fluid outlet seals the first seal receptacle and by the first spring compression, and second sealing cover is from the second seal receptacle fluid inlet
It seals the second seal receptacle and is propped up by second spring.
Further, first sealing cover and the second sealing cover include sealing ring, convex block and sliding part, the sliding
Part cross section is more than convex block cross section, and the convex block is set in the middle part of the sliding part, and the sealing ring is cased on the convex block.
Further, it is equipped in the valve body and limits the limited block that second sealing cover is slided to water inlet direction.
Further, the valve body is the cylinder of cavity, and the water inlet is set to the side of the cylinder, and described first goes out
The mouth of a river is set to the upper surface of the cylinder, and second water outlet is set to the lower face of the cylinder.
Further, the sliding part is equipped with conducting bar, and the conducting bar is parallel with the cylinder inner surface.
Further, further include third spring, third sealing cover, the valve body further includes third water outlet, the third
Water outlet is connected to the water inlet, and the third seal receptacle is equipped between the third water outlet and the water inlet, described
Third water outlet is equipped with the 4th seal receptacle, and the third sealing cover is equipped between the third seal receptacle and the 4th seal receptacle,
The third sealing cover is for sealing third seal receptacle and the 4th seal receptacle, and the third spring is by third sealing cover described the
It is compressed on three seal receptacles.
Further, the third sealing cover includes sealing ring, convex block and sliding part, and the sliding part cross section is more than convex
Block cross section, the both sides in the middle part of the sliding part are equipped with the convex block, the sealing ring are cased with respectively on the convex block.
Compared with prior art, the utility model has the beneficial effects that：Pressure sensitive automatic reversing apparatus is simple in structure, work(
Can be clear, any device by any external force, is not being increased by the pressure of liquid itself using simple physical principle
Under the premise of, it is only necessary to certain pressure is applied to the present apparatus by liquid, liquid can be changed automatically by being not required to manual intervention
Flow direction, manufacture and operating cost it is low, be conducive to large-scale promotion.Utilize this pressure sensitive automatic reversing apparatus, so that it may with
Using same set of automatic irrigation system, integrate irrigation, two big function of plant protection, make plant protection also like irrigate equally automatically into
Row, had not only complemented each other but also can work independently, and time and labour saving is saved efficiently.It solves to irrigate in agriculture field at present and plant protection needs
Be divided into the problem of two parts individually carry out, when also solving plant protection it is artificial and it is mechanical be combined by way of expense high investment
Greatly, it is affected by extraneous factor, the problem that working efficiency is very low.
Description of the drawings
Fig. 1 is that second water outlet of the utility model embodiment 1 is discharged status architecture schematic diagram；
Fig. 2 is that first water outlet of the utility model embodiment 1 is discharged status architecture schematic diagram；
Fig. 3 is that second water outlet of the utility model embodiment 2 is discharged status architecture schematic diagram；
Fig. 4 is that the third water outlet of the utility model embodiment 2 is discharged status architecture schematic diagram；
Fig. 5 is that first water outlet of the utility model embodiment 2 is discharged status architecture schematic diagram；
In figure, 1 valve body, 2 first springs, 3 second springs, 4 first sealing covers, 5 second sealing covers, 6 water inlets, 7 first
Water outlet, 8 second water outlets, 9 first seal receptacles, 10 second seal receptacles, 11 sealing rings, 12 convex blocks, 13 sliding parts, 14 limits
Block, 15 sides, 16 upper surfaces, 17 lower faces, 18 conducting bars, 19 third springs, 20 third sealing covers, 21 third water outlets, 22
Three seal receptacles, 23 the 4th seal receptacles.
Specific implementation mode
In order to be best understood from the utility model technology contents, specific embodiment is provided below, and in conjunction with attached drawing to this practicality
It is novel to be described further.
Embodiment 1
Referring to Fig. 1 to 2, pressure sensitive automatic reversing apparatus provided by the utility model, including valve body 1, the first spring 2,
Second spring 3, the first sealing cover 4 and the second sealing cover 5, the valve body 1 include water inlet 6, the water outlet of the first water outlet 7 and second
Mouth 8, first water outlet 7, the second water outlet 8 are connected to the water inlet 6 respectively, and the water inlet 6 and described first goes out
First seal receptacle 9 is equipped between the mouth of a river 7, second water outlet 8 is equipped with the second seal receptacle 10, first sealing cover
4 seal from 9 fluid outlet of the first seal receptacle and the first seal receptacle 9 and are compressed by the first spring 2, and second sealing cover 5 is from the
The second seal receptacle 10 is sealed at two seal receptacles, 10 fluid inlet and is propped up by second spring 3.
Low-pressure fluid is flowed into from water inlet 6 in valve body 1, when Fluid pressure is not enough to push sealing cover compressed spring, by
In under the effect of second spring 3 second sealing cover 5 and the second seal receptacle 10 be in discrete state, in the case where the first spring 2 acts on the
One sealing cover 4 and the first seal receptacle 9 are in sealing state, and fluid is flowed out by the second water outlet 8.When Fluid pressure increases,
The fluid forces sealing cover compressed spring under hydraulic pressure effect, the first sealing cover 4 detaches with the first seal receptacle 9, the second sealing cover 5 and
Second seal receptacle 10, which fits closely, seals the second water outlet 8, and fluid is flowed out through the first water outlet 7.Further, the first spring
2 stiffness factors are more than 3 stiffness factor of second spring, when Fluid pressure increases the movement of the second sealing cover 5 by the second seal receptacle
10 sealings, the second water outlet 8 seal hydraulic pressure in rear valve body 1 and increased dramatically, and the first sealing cover of fluid forces 4 moves, the first sealing
Seat 9 is opened, and fluid is flowed out by the first water outlet 7, it is ensured that fluid reversing is stablized, and prevents fluid from two water outlet streams simultaneously
Go out.
Specifically, first sealing cover, 4 and second sealing cover 5 includes sealing ring 11, convex block 12 and sliding part 13, institute
It states 13 cross section of sliding part and is more than 12 cross section of convex block, the convex block 12 is set in the middle part of the sliding part 13, on the convex block 12
It is cased with the sealing ring 11.Sliding part 13 increases fluid flow resistance, improves the fluid pressure induction sensitivity of reversing arrangement,
Sealing ring 11 coordinates with seal receptacle, improves sealing effect.Convex block 12 is convenient for fixed seal ring 11.
The limited block 14 that second sealing cover 5 is slided to 6 direction of water inlet is limited specifically, being equipped in the valve body 1.
The kinetic stability for improving sliding part 13 prevents sliding part 13 from shaking in the valve body 1, further, described when no Fluid pressure
Second capping is pressed on limited block 14 by second spring 3.
Specifically, the valve body 1 be cavity cylinder, the water inlet 6 be set to the cylinder side 15, described first
Water outlet 7 is set to the upper surface 16 of the cylinder, and second water outlet 8 is set to the lower face 17 of the cylinder.It is easy to produce
It makes, intake-outlet connection and reasonable arrangement is easy to install and use.
Specifically, the sliding part 13 is equipped with conducting bar 18, the conducting bar 18 is parallel with the cylinder inner surface.Anti- on-slip
Moving part 13 shakes in valve body 1.
Embodiment 2
Referring to Fig. 3 to 5, the present embodiment and embodiment 1 difference lies in, further include third spring 19, third sealing cover 20,
The valve body 1 further includes third water outlet 21, and the third water outlet 21 is connected to the water inlet 6, the third water outlet
The third seal receptacle 22 is equipped between 21 and the water inlet 6, the third water outlet 21 is equipped with the 4th seal receptacle 23, institute
It states and is equipped with the third sealing cover 20 between third seal receptacle 22 and the 4th seal receptacle 23, the third sealing cover 20 is for sealing
Third seal receptacle 22 and the 4th seal receptacle 23, the third spring 19 press third sealing cover 20 on the third seal receptacle 22
Tightly.
Low-pressure fluid is flowed into from water inlet 6 in valve body 1, when Fluid pressure is not enough to push sealing cover compressed spring, by
In under the effect of second spring 3 second sealing cover 5 and the second seal receptacle 10 be in discrete state, in the case where the first spring 2 acts on the
One sealing cover 4 and the first seal receptacle 9 are in sealing state, third sealing cover 20 and third seal receptacle under the effect of third spring 19
22 are in sealing state, and fluid is flowed out by the second water outlet 8.When Fluid pressure gradually increases, fluid forces second seal
Lid 5 seals the second seal receptacle 10, third sealing cover 20 is pushed to be detached with third seal receptacle 22 and 20 blow-by of third sealing cover
4th seal receptacle 23, Fluid pressure are not enough to push the movement of the first sealing cover 4, and third spring 19 is in half-compressed state at this time,
First seal receptacle 9 is in sealing state, the second seal receptacle 10 be in sealing state, third seal receptacle 22 it is in the open state,
Four seal receptacles 23 are in the open state, therefore fluid is open through third and flows out.When Fluid pressure continues to increase, acted in hydraulic pressure
Lower fluid forces sealing cover compressed spring, the first sealing cover 4 are detached with the first seal receptacle 9, the second sealing cover 5 and the second seal receptacle
10 fit closely and seal the second water outlet 8, and third sealing cover 20 and the 4th seal receptacle 23 are fitted closely the 4th seal receptacle 23
Sealing, fluid are flowed out through the first water outlet 7.Further, 19 stiffness factor of third spring is more than 3 stiffness factor of second spring,
19 stiffness factor of third spring be less than 2 stiffness factor of the first spring, it is ensured that fluid reversing stablize, prevent fluid simultaneously from two or
Three water outlet outflows.
Specifically, the third sealing cover 20 includes sealing ring 11, convex block 12 and sliding part 13, the sliding part 13 is transversal
Face is more than 12 cross section of convex block, and the both sides at 13 middle part of the sliding part are equipped with the convex block 12, are covered respectively on the convex block 12
There is the sealing ring 11.Sliding part 13 increases fluid flow resistance, improves the fluid pressure induction sensitivity of reversing arrangement, close
Seal 11 coordinates with seal receptacle, improves sealing effect.Convex block 12 is convenient for fixed seal ring 11.Two valve seats can be sealed respectively, saved
About cost of manufacture improves device compact.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. pressure sensitive automatic reversing apparatus, it is characterised in that：Including valve body, the first spring, second spring, the first sealing cover and
Second sealing cover, the valve body include water inlet, the first water outlet and the second water outlet, first water outlet, the second water outlet
Mouthful be connected to respectively with the water inlet, equipped with the first seal receptacle between the water inlet and first water outlet, described second
Water outlet be equipped with the second seal receptacle, first sealing cover from the first seal receptacle fluid outlet seal the first seal receptacle and by
First spring compression, second sealing cover seal the second seal receptacle from the second seal receptacle fluid inlet and by second springs
It props up.
2. pressure sensitive automatic reversing apparatus as described in claim 1, it is characterised in that：First sealing cover and second close
Capping includes sealing ring, convex block and sliding part, and the sliding part cross section is more than convex block cross section, and the convex block is set to described
In the middle part of sliding part, the sealing ring is cased on the convex block.
3. pressure sensitive automatic reversing apparatus as described in claim 1, it is characterised in that：It is equipped with described in limitation in the valve body
The limited block that second sealing cover is slided to water inlet direction.
4. pressure sensitive automatic reversing apparatus as claimed in claim 2, it is characterised in that：The valve body is the cylinder of cavity,
The water inlet is set to the side of the cylinder, and first water outlet is set to the upper surface of the cylinder, second water outlet
Mouth is set to the lower face of the cylinder.
5. pressure sensitive automatic reversing apparatus as claimed in claim 4, it is characterised in that：The sliding part is equipped with conducting bar,
The conducting bar is parallel with the cylinder inner surface.
6. pressure sensitive automatic reversing apparatus as described in claim 1, it is characterised in that：Further include that third spring, third are close
Capping, the valve body further includes third water outlet, and the third water outlet is connected to the water inlet, the third water outlet with
Between the water inlet be equipped with third seal receptacle, the third water outlet be equipped with the 4th seal receptacle, the third seal receptacle and
The third sealing cover is equipped between 4th seal receptacle, the third sealing cover is for sealing third seal receptacle and the 4th sealing
Seat, the third spring compress third sealing cover on the third seal receptacle.
7. pressure sensitive automatic reversing apparatus as claimed in claim 6, it is characterised in that：The third sealing cover includes sealing
Circle, convex block and sliding part, the sliding part cross section are more than convex block cross section, and the both sides in the middle part of the sliding part are equipped with described
Convex block is cased with the sealing ring on the convex block respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721408563.XU CN207701834U (en) | 2017-10-30 | 2017-10-30 | Pressure sensitive automatic reversing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721408563.XU CN207701834U (en) | 2017-10-30 | 2017-10-30 | Pressure sensitive automatic reversing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701834U true CN207701834U (en) | 2018-08-07 |
Family
ID=63021571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721408563.XU Active CN207701834U (en) | 2017-10-30 | 2017-10-30 | Pressure sensitive automatic reversing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701834U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631057A (en) * | 2017-10-30 | 2018-01-26 | 海南中以农业技术有限公司 | Pressure sensitive automatic reversing apparatus |
| CN112020973A (en) * | 2020-09-04 | 2020-12-04 | 宁波中灌润茵节水设备有限公司 | Single-pipeline water, fertilizer and pesticide integrated system |
| CN114223508A (en) * | 2022-02-10 | 2022-03-25 | 山东中科先进技术研究院有限公司 | Jet oscillator water dropper and drip irrigation system |
-
2017
- 2017-10-30 CN CN201721408563.XU patent/CN207701834U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631057A (en) * | 2017-10-30 | 2018-01-26 | 海南中以农业技术有限公司 | Pressure sensitive automatic reversing apparatus |
| CN112020973A (en) * | 2020-09-04 | 2020-12-04 | 宁波中灌润茵节水设备有限公司 | Single-pipeline water, fertilizer and pesticide integrated system |
| CN114223508A (en) * | 2022-02-10 | 2022-03-25 | 山东中科先进技术研究院有限公司 | Jet oscillator water dropper and drip irrigation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190419 Address after: Room 1606, Jiayu Building, 69 Lantian Road, Haikou City, Hainan Province Patentee after: Hainan rain development in agricultural science and technology company limited Address before: Room 1606, Jiayu Building, 69 Lantian Road, Haikou City, Hainan Province Patentee before: Hainan Sino Agricultural Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |