CN205689835U - A kind of to folder connection check-valves - Google Patents
A kind of to folder connection check-valves Download PDFInfo
- Publication number
- CN205689835U CN205689835U CN201620560777.8U CN201620560777U CN205689835U CN 205689835 U CN205689835 U CN 205689835U CN 201620560777 U CN201620560777 U CN 201620560777U CN 205689835 U CN205689835 U CN 205689835U
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- CN
- China
- Prior art keywords
- flap
- valve body
- valves
- folder
- breach
- 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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- Check Valves (AREA)
Abstract
The utility model discloses a kind of to folder connection check-valves, its drip irrigation device is a kind of to folder connection check-valves, including valve body, described valve body offers the passage passed through for fluid, being rotatably connected to flap in described passage, be provided with buffer unit between described valve body and flap, described buffer unit includes inserted sheet and the embedded part coordinated in inlay card, described inserted sheet is arranged at flap towards valve body side, and described embedded part is arranged at valve body.This utility model is installed simple, and the buffer unit arranged between valve body and flap has cushioning effect when flap rotates down closed channel, prevents flap direct collision from causing both mutually to damage to valve body.
Description
Technical field
This utility model relates to standard component field, particularly to one, folder is connected check-valves.
Background technology
In industrial and civilian various fluid media (medium) pipelines, generally use check-valves as the unit preventing fluid flow guiding
Part, a kind of valve that check-valves refers to the flowing according to medium itself and opens and closes automatically, when the pressure of stem lower portion surpasses
When crossing pressure and the spring its own resilient on valve rod top, check-valves flap may turn on, otherwise then can be automatically switched off.
The Chinese patent of such as Publication No. 203146923U discloses a kind of Wafer Check Valves, including valve body and valve
Lobe, described valve diameter direction is fixed with guide pillar, and described guide pillar is set with and is fixed with spring, and described flap is Double-clack
Form, double arches that the cross section of flap is symmetrical, it is provided with sealing gasket between described valve body and flap.
Being installed in the duct by this Wafer Check Valves, after long-time use, flap is frequently turned on or off valve, by
Realizing opening and closing by spring in flap and valve body, therefore flap multiple impacts is to after valve body lower end, and flap mutually collides with valve body
Place is susceptible to deformation and damages, thus reduces using effect and the service life of this Wafer Check Valves.
Utility model content
The purpose of this utility model is to provide a kind of to folder connection check-valves, the buffer part arranged between valve body and flap
Part has cushioning effect when flap rotates down closed channel, prevents flap direct collision from causing both mutually to damage to valve body
Bad.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of to folder connection non-return
Valve, including valve body, described valve body offers the passage passed through for fluid, is rotatably connected to flap, described valve body in described passage
And being provided with buffer unit between flap, described buffer unit includes inserted sheet and the embedded part coordinated in inlay card, and described inserted sheet sets
Being placed in flap towards valve body side, described embedded part is arranged at valve body.
By using technique scheme, this utility model is arranged at delivery side of pump, needs this reality when pump quits work
With novel prevent fluid reflux time, fluids within pipes pressure reduce, flap rotates down closed channel automatically, due on valve body
Being provided with buffer part, flap is provided with inserted sheet, when valve flap seals passage, inserted sheet is conflicted embedded part, and both produce friction
Power plays and slows down the speed that flap rotates down, and prevents flap from colliding valve body and in turn results in both and mutually damage.
This utility model is further arranged to: described embedded part includes conflict sheet, and when flap rotates, described inserted sheet contacts at
Conflict sheet and with it in being slidably matched.
By using technique scheme, when flap rotates down near valve body, inserted sheet is conflicted in the following table of conflict sheet
Face is also slidably connected to conflict sheet, and the friction produced between the two can slow down the speed that flap rotates down.
This utility model is further arranged to: the low side of valve body offers the first breach, and described conflict sheet is positioned at first and lacks
At Kou.
By use technique scheme, inserted sheet has certain length, is horizontally set on the lower end of flap, when flap to
Under when turning to closed channel, inserted sheet can be conflicted valve body, causes existing between flap and valve body distance, can reduce flap and valve
Sealing between body, and the first breach is set and conflict sheet is arranged on the first indentation, there, it is possible to realize inserting when inserted sheet being embedded in
Time in conflict sheet, flap fits with valve body, thus improves sealing between the two.
This utility model is further arranged to: described valve body connects guide pillar, and described flap is rotationally connected with guide pillar, described
Guide column sleeve is connected to torsion spring, and described one end is connected to flap, and the other end is connected to valve body.
By using technique scheme, when pump supplies fluid in pipeline, the pressure of fluids within pipes increases, fluid
Flap is applied active force, and flap can be rotated up after overcoming the axial force of torsion spring thus open passage, it is achieved that flap from
Dynamic keying passage.
This utility model is further arranged to: described valve body offers the second breach, and described second breach is phase with guide pillar
Adjacent setting, is fixedly connected with spring in described second breach, when flap rotates, described spring deviates from valve body one end and contacts at valve
Lobe.
By using technique scheme, spring has certain elasticity capacity, rotates down flap and has second time
Cushioning effect so that the rotation of flap is more steady.
This utility model is further arranged to: described valve body is embedded with for observing its internal lens, described lens with
First breach is in being disposed adjacent.
By using technique scheme, it can be observed that whether inserted sheet or conflict sheet deform upon, without work
Make personnel and this utility model is disassembled from pipeline observation, improve motility of the present utility model.
This utility model is further arranged to: described flap deviates from passage side and is fixedly connected with drainage screen.
By using technique scheme, drainage screen can stop the impurity in fluid, prevents impurity especially goo
Matter touches flap and is attached on butterfly plate, and long term adherent causes corroding flap, arranges drainage screen and is conducive to extending making of flap
Use the life-span.
In sum, this utility model has the advantages that
One, by the friction buffer effect produced between inserted sheet and conflict sheet, and the conflict effect of spring, it is possible to subtract
The speed that slow flap rotates down, thus avoid valve body is produced bigger impulsive force, prevent both from mutually damaging;
Its two, the first breach is set and the second breach respectively facilitates valve body and connects conflict sheet and spring, the most favourable
Fit tightr with valve body when flap turns to closed channel;
Its three, the deformation degree of inserted sheet and conflict sheet can be facilitated by arranging lens, it is ensured that conflict sheet and inserted sheet are all the time
Rotation to flap has cushioning effect.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of embodiment;
Fig. 2 is the enlarged drawing in I portion in Fig. 1;
Fig. 3 is the axonometric chart after embodiment removes flap;
Fig. 4 is the enlarged drawing in II portion in Fig. 3;
Fig. 5 is the enlarged drawing in III portion in Fig. 3.
Reference: 1, valve body;2, passage;3, flap;4, inserted sheet;5, the first breach;6, conflict sheet;7, guide pillar;8, turn round
Spring;9, the second breach;10, spring;11, lens;12, drainage screen.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
A kind of to folder connection check-valves, as it is shown in figure 1, include valve body 1 and flap 3, valve body 1 offers and supplies fluid to pass through
Passage 2, flap 3 is rotatably connected on valve body 1 and can be turned on or off passage 2.
Valve body 1 top be fixedly connected with one in horizontally disposed guide pillar 7, guide pillar 7 is arranged with a torsion spring 8, valve
Lobe 3 is rotatably connected on guide pillar 7, and torsion spring 8 one end is fixedly connected on valve body 1, and two one end are fixedly connected on flap 3.By this practicality
Novel being installed on pipeline is positioned at delivery side of pump, and the passage 2 of valve body 1 is near pump side, when pump startup is to pipeline supply water,
Water can drive flap 3 to be rotated up after the impulsive force that flap 3 produces is overcome the elastic force of torsion spring 8, thus realizes opening passage
2, it is simple to water body circulates;When pump stops supplying water in pipeline, after eliminating the driving force to flap 3, under the active force of torsion spring 8
Flap 3 rotates down closed channel 2.
Shown in Fig. 2, Fig. 3 and Fig. 5, owing to torsion spring 8 has certain elastic potential energy, the speed that flap 3 rotates down
Than very fast, easily collide with valve body 1, cause the most impaired.For this problem, the present embodiment is valve body 1 He
Being provided with a buffer unit between flap 3, flap 3 can close passage 2 lentamente by buffer unit.
Setting specific as follows, offers the first breach 5 in the lower end of valve body 1, and is connected in the first breach 5 and is connected to insert
Embedding portion, use conflict sheet 6 as embedded part, conflict sheet 6 in Z-shaped, including two crosspieces and one-body molded two crosspieces it
Between oblique section;Extending integrally formed with inserted sheet 4 at flap 3 lower end phase valve body 1, this inserted sheet 4 is the elastic inserted sheet 4 of arch shape, bullet
Property inserted sheet 4 has certain elastic performance.When needing the passage 2 of closed valve 1, flap 3 is rotated down, will at flap 3
During closed channel 2, inserted sheet 4 can be conflicted conflict sheet 6, and relative motion occurs, and produces frictional force, and this frictional force can slow down
The speed that flap 3 rotates down, thus prevent that the twisting resistance driving flap 3 to rotate because of torsion spring 8 is excessive causes flap 3 to collide valve
Body 1, the frictional force produced of relatively sliding by conflicting between conflict sheet 6 and inserted sheet 4 can slow down the closed channel 2 turns of flap 3
Speed time dynamic.
Conflict sheet 6 and inserted sheet 4 are susceptible to after using for a long time damage, and staff needs periodically to open valve body 1 and observes,
In order to directly observe inside valve body 1 outside valve body 1, it is embedded with for observing its internal lens 11 at valve body 1,
Lens 11 with the first breach 5 in being disposed adjacent, by lens 11 it is observed that whether inserted sheet 4 or conflict sheet 6 deform upon,
Without staff, this utility model is disassembled observation from pipeline, improve motility of the present utility model.
Shown in Fig. 4, on valve body 1, the position of close guide pillar 7 offers the second breach 9 simultaneously, sets in the second breach 9
Being equipped with spring 10, spring 10 is shorter, has certain deformability, and when flap 3 opens passage 2, spring 10 deviates from connection valve
Do not conflict with flap 3 in body 1 one end, and when flap 3 rotate down will closed channel 2 time, spring 10 of conflicting, spring 10 is right
Flap 3 also has cushioning effect, under the cushioning effect effect of conflict sheet 6 and inserted sheet 4, it is possible to having rotated down of flap 3
Effect to secondary buffer so that after the buffering effect of conflict sheet 6 and inserted sheet 4 is deteriorated, still can be to flap 3 and valve body 1
Protect, improve the motility of the present embodiment.
Being attached on butterfly plate to prevent stickum from touching flap 3, long term adherent causes corroding flap 3, arranges
Flap 3 described in the service life of drainage screen 12 beneficially prolongation flap 3 deviates from passage 2 side and is fixedly connected with drainage screen 12.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (7)
1. folder being connected a check-valves, including valve body (1), described valve body (1) offers the passage (2) passed through for fluid, institute
Flap (3) it is rotatably connected to, it is characterised in that between described valve body (1) and flap (3), be provided with buffer part in stating passage (2)
Part, described buffer unit includes inserted sheet (4) and the embedded part coordinated in inlay card, and described inserted sheet (4) is arranged at flap (3) towards valve
Body (1) side, described embedded part is arranged at valve body (1).
One the most according to claim 1 connects check-valves to folder, it is characterised in that described embedded part includes conflict sheet
(6), when flap (3) rotates, described inserted sheet (4) contacts at conflict sheet (6) and with it in being slidably matched.
One the most according to claim 2 connects check-valves to folder, it is characterised in that the low side of valve body (1) offers the
One breach (5), described conflict sheet (6) is positioned at the first breach (5) place.
One the most according to claim 3 connects check-valves to folder, it is characterised in that described valve body (1) connects guide pillar
(7), described flap (3) is rotationally connected with guide pillar (7), and described guide pillar (7) is socketed with torsion spring (8), and described torsion spring (8) one end connects
In flap (3), the other end is connected to valve body (1).
One the most according to claim 4 connects check-valves to folder, it is characterised in that described valve body (1) offers second
Breach (9), described second breach (9) in being disposed adjacent, is fixedly connected with spring in described second breach (9) with guide pillar (7)
(10), when flap (3) rotates, described spring (10) deviates from valve body (1) one end and contacts at flap (3).
One the most according to claim 5 to folder connect check-valves, it is characterised in that described valve body (1) be embedded with for
Observe its internal lens (11), described lens (11) with the first breach (5) in being disposed adjacent.
One the most according to claim 6 connects check-valves to folder, it is characterised in that described flap (3) deviates from passage (2)
Side is fixedly connected with drainage screen (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620560777.8U CN205689835U (en) | 2016-06-08 | 2016-06-08 | A kind of to folder connection check-valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620560777.8U CN205689835U (en) | 2016-06-08 | 2016-06-08 | A kind of to folder connection check-valves |
Publications (1)
Publication Number | Publication Date |
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CN205689835U true CN205689835U (en) | 2016-11-16 |
Family
ID=57427219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620560777.8U Expired - Fee Related CN205689835U (en) | 2016-06-08 | 2016-06-08 | A kind of to folder connection check-valves |
Country Status (1)
Country | Link |
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CN (1) | CN205689835U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110255679A (en) * | 2019-07-01 | 2019-09-20 | 江苏科技大学 | A kind of quick scale prevention device based on electromagnetic field |
CN111775009A (en) * | 2020-07-23 | 2020-10-16 | 卓雪娇 | Polishing equipment for processing wood-plastic board |
-
2016
- 2016-06-08 CN CN201620560777.8U patent/CN205689835U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110255679A (en) * | 2019-07-01 | 2019-09-20 | 江苏科技大学 | A kind of quick scale prevention device based on electromagnetic field |
CN111775009A (en) * | 2020-07-23 | 2020-10-16 | 卓雪娇 | Polishing equipment for processing wood-plastic board |
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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 |
Granted publication date: 20161116 Termination date: 20170608 |
|
CF01 | Termination of patent right due to non-payment of annual fee |