CN209688181U - A kind of flange lift check valve - Google Patents
A kind of flange lift check valve Download PDFInfo
- Publication number
- CN209688181U CN209688181U CN201920544027.5U CN201920544027U CN209688181U CN 209688181 U CN209688181 U CN 209688181U CN 201920544027 U CN201920544027 U CN 201920544027U CN 209688181 U CN209688181 U CN 209688181U
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- CN
- China
- Prior art keywords
- valve
- valve body
- block
- flap
- medium
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 16
- 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 abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 15
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model provides a kind of flange lift check valve, is related to valving field, including flange lift check valve, including valve body, and intake channel and exit passageway are offered in valve body, and there is screw rod at the top of valve body close to edge uniform welding.In the utility model, sealing ring pad and round and elastic sealing ring, it can carry out dual-seal, medium is avoided to permeate, in flow of media, flap is pushed by medium and is opened, valve rod can squeeze sliding block, so that spring is in compressive state, when medium stops circulating, under the action of spring restoring force, flap is rapidly resetted, it realizes and quickly closes, medium is avoided to flow backwards, improve sensitivity, filter screen is provided in pedestal, impurity in medium can be filtered, impurity is avoided to damage flap, ensure leakproofness, impurity can be wandered into straight tube, it enters back into material stock bottle, it can be when medium stops circulating, material stock bottle is removed to remove impurity.
Description
Technical field
The utility model relates to valving technical field more particularly to a kind of flange lift check valves.
Background technique
Check-valves refers to be flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, and main function is to prevent medium from falling
It flows, prevent pump and drive motor reversion and vessel media from releasing.Lift check valve refers to that flap is vertical along valve body
The check-valves of center line sliding, lift check valve can be only installed on horizontal pipe, in high-pressure small-bore check-valves upper flap
Ball can be used.The valve body shapes of lift check valve are as shut-off valve, therefore its Flow Resistant Coefficient is larger.Its structure
Similar to shut-off valve, valve body and flap are identical as shut-off valve.Flap top and bonnet lower are machined with guide sleeve letter, flap guiding
Letter can be oriented in letter in valve small cup and be freely lifted, and when medium fair current, flap is opened by medium thrust, when medium arrheas, flap
By being dropped on valve seat from hanging down, serves and prevent medium counter flow.
But in the prior art, sealing ring pad is set generally between valve deck and valve body, and the effect of Lai Jinhang antiseep is close
Envelope property is poor, easily leaks, and when medium stops circulating, flap is leaned on to be dropped on valve seat from hanging down, and the reaction time is slower, sensitive
Spend it is bad, meanwhile, existing orchid lift check valve, with the passage for using the time, impurity in medium can be to the close of flap
Envelope property damages, and cleaning impurity needs dismantle blue lift check valve, is not convenient to use.
Utility model content
The purpose of this utility model is to provide a kind of flange lift check valves, to solve the above technical problems.
The utility model using following technical scheme in order to solve the above technical problems, realized: a kind of flange lift stops
Valve, including valve body are returned, offers intake channel and exit passageway in the valve body, the top of the valve body is uniform close to edge
It being welded with screw rod, and the outer wall of screw rod is arranged with nut, the top of the valve body is fixedly installed with valve deck by screw rod and nut,
And be bonded between valve deck and valve body and be provided with sealing ring pad, one end that the exit passageway is located at below valve deck is provided with pedestal,
And through-hole is offered in pedestal in the vertical center line of valve deck, and be located at bottom in through-hole and be welded with filter screen, the valve
The bottom center of lid is welded with round block, and the inside of the round block and valve body is fitted and connected, the bottom center weldering of the round block
It is connected to limited block, and the bottom center of limited block offers sliding slot, sliding is provided with valve rod, the valve rod position in the sliding slot
One end on the outside of sliding slot is welded with flap, and flap is located in through-hole.
Preferably, the two sides in the limited block positioned at sliding slot open up that there are two circular grooves, and sliding is embedded in two circular grooves
There are two slide bars, and two slide bars are located at one end on the outside of limited block and weld with flap.
Preferably, positioned at the top of valve rod, sliding is embedded with sliding block in the sliding slot, and two are welded at the top of sliding block
Spring, and the inner wall welding of the other end and sliding slot of two springs.
Preferably, sealing block is arranged on the outer wall of the valve rod, and in sealing block insertion limited block, and sealing block position
In the lower section of sliding block.
Preferably, the bottom of the valve body is provided with and communicated with straight tube, and straight tube is connected to intake channel, and straight tube is located at
One end on the outside of valve body is arranged with material stock bottle, and the outer wall of the valve body is welded with reinforcing rod.
Preferably, the outer wall of the round block offers annular groove, and round and elastic sealing ring is embedded in annular groove.
Preferably, it is embedded with sealing ring in the flap, and is fitted and connected inside sealing ring and through-hole.
The beneficial effects of the utility model are:
In the utility model, firstly, the device is provided with sealing ring pad between valve deck and valve body, and embedded on round block
Equipped with round and elastic sealing ring, dual-seal can be carried out, medium is avoided to permeate, secondly, flap leans in flow of media
Medium, which pushes, to be opened, and valve rod can squeeze sliding block, so that spring is in compressive state, when medium stops circulating, spring
Under the action of restoring force, valve rod can be made to drive flap, rapidly resetted, realized and quickly close, medium is avoided to fall
Stream, improves sensitivity, finally, being provided with filter screen in pedestal, can be filtered to the impurity in medium, avoid impurity
Flap is damaged, ensures leakproofness, impurity can be wandered into straight tube, entered in material stock bottle, can stop flowing in medium
When logical, remove material stock bottle and remove impurity.
Detailed description of the invention
Fig. 1 is the elevational cross-sectional view of the utility model；
Fig. 2 is the schematic diagram amplified at A in the utility model Fig. 1；
Fig. 3 is the schematic diagram of the utility model round block.
Appended drawing reference: 1, valve body；2, valve deck；3, round block；4, limited block；401, circular groove；402, sliding slot；5, screw rod；6, spiral shell
It is female；7, valve rod；8, slide bar；9, exit passageway；10, flap；11, sealing ring；12, filter screen；13, straight tube；14, material stock bottle；15,
Intake channel；1501, pedestal；16, reinforcing rod；17, spring；18, sliding block；19, sealing block；20, round and elastic sealing ring.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
The utility model is further described in face with specific embodiments and the drawings, but following embodiments are only the excellent of the utility model
Embodiment is selected, and not all.Based on the implementation example in the implementation mode, those skilled in the art are not making creative work
Under the premise of obtained other embodiments, belong to protection scope of the present invention.
In the utility model, it is divided into three parts, respectively leakproofness, sensitivity and contaminant filter is removed, below with reference to
Attached drawing describes the specific embodiment of three parts in the utility model.
As shown in figs. 1 and 3, a kind of flange lift check valve, including valve body 1 offer 15 He of intake channel in valve body 1
There is screw rod 5 at the top of exit passageway 9, valve body 1 close to edge uniform welding, and the outer wall of screw rod 5 is arranged with nut 6, valve body 1
Top valve deck 2 is fixedly installed with by screw rod 5 and nut 6, and be bonded between valve deck 2 and valve body 1 and is provided with sealing ring pad, justified
The outer wall of block 3 offers annular groove, and round and elastic sealing ring 20 is embedded in annular groove, can be by dismantling nut 6, to valve deck 2
It is dismantled, the leakproofness between round block 3 and valve body 1 can be enhanced in the round and elastic sealing ring 20 of setting, sealing function is played,
The sealing ring pad of setting can carry out secondary antiseep effect, ensure that medium will not ooze out valve body 1, lift-off seal.
As described in Fig. 1 and 2, one end that exit passageway 9 is located at 2 lower section of valve deck is provided with pedestal 1501, and in pedestal 1501
Through-hole is offered in the vertical center line of valve deck 2, the bottom center of valve deck 2 is welded with round block 3, and round block 3 is interior with valve body 1
Portion is fitted and connected, and the bottom center of round block 3 is welded with limited block 4, and the bottom center of limited block 4 offers sliding slot 402,
Sliding is provided with valve rod 7 in sliding slot 402, and one end that valve rod 7 is located at 402 outside of sliding slot is welded with flap 10, and flap 10 is located at
In through-hole, the two sides in limited block 4 positioned at sliding slot 402 open up that there are two circular grooves 401, and sliding is embedded in two circular grooves 401
Two slide bars 8, and two slide bars 8 are located at the one end in 4 outside of limited block with the welding of flap 10, and sliding slot 402 is interior to be located at valve rod 7
Top sliding be embedded with sliding block 18, and the top of sliding block 18 is welded with two springs 17, and the other end of two springs 17
It is welded with the inner wall of sliding slot 402, sealing block 19 is arranged on the outer wall of valve rod 7, and sealing block 19 is embedded in limited block 4, and
Sealing block 19 is located at the lower section of sliding block 18, and sealing block 19 can play sealing function, avoids medium from corroding spring 17, valve
It is embedded with sealing ring 11 in valve 10, and is fitted and connected inside sealing ring 11 and through-hole, in flow of media, medium will push flap
10 move up, and are detached from pedestal 1501, conducting intake channel 15 and exit passageway 9, flap 10 will drive valve rod 7 and slide bar 8 to
Upper movement can be contacted with sliding block 18, be squeezed sliding block 18, spring 17 is in compressive state, together with the movement of valve rod 7
When, slide bar 8 can also slide in circular groove 401, and when medium stops circulating, flap 10 can be leaned on from the falls downward that hangs down, meanwhile, place
In the spring 17 of compressive state, sliding block 18 can be pushed to move down under the action of restoring force, band ovable valve stem 7 rapidly declines,
Flap 10 is moved in pedestal 1501, i.e., under self gravity and the collective effect of spring 17, quickly resets, improve sensitive
Property.
As shown in Figure 1, designer is located at bottom in through-hole is welded with filter screen 12, the bottom of valve body 1 is connected to setting
There is straight tube 13, and straight tube 13 is connected to intake channel 15, and one end that straight tube 13 is located on the outside of valve body 1 is arranged with material stock bottle
14, straight tube 13 is located at the lowest position of intake channel 15, and the outer wall of valve body 1 is welded with reinforcing rod 16, and medium can pass through
It when strainer 12, is come out into contaminant filter, avoids contacting with flap 10, ensure that flap 10 will not damage, it is miscellaneous when medium stops circulation
Matter can flow into straight tube 13, entering in material stock bottle 14, can be collected to impurity, material stock bottle 14 can be by transparent material
It constitutes, after a certain amount of impurity is stored in material stock bottle 14, material stock bottle 14 can be dismantled when medium stops circulating, it will be miscellaneous
Matter is poured out, and material stock bottle 14 is reinstalled.
Working principle: the device is provided with sealing ring pad between valve deck 2 and valve body 1, but on round block 3 in be embedded with circle
Shape elastic sealing ring 20 can carry out dual-seal, and in flow of media, valve rod 7 is pushed by medium and opened, and valve rod 7 can be to cunning
Block 18 is squeezed, so that spring 17 is in compressive state, when medium stops circulating, 17 restoring force of spring and flap 10 itself
Under the double action of gravity, valve rod 7 can be made to drive flap 10 rapidly moving downward, pinch, i.e., answered rapidly into through-hole
Position is realized and is quickly closed, avoids medium from flowing backwards, the filter screen 12 of design can be filtered the impurity in medium, impurity
It can wander into straight tube 13, enter back into material stock bottle 14, material stock bottle 14 can be removed impurity is clear when medium stops circulating
It removes, screws on material stock bottle 14 again.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of flange lift check valve, including valve body (1), it is characterised in that: offer intake channel in the valve body (1)
(15) have screw rod (5) with exit passageway (9), the top of the valve body (1) close to edge uniform welding, and screw rod (5) is outer
Wall is arranged with nut (6), and the top of the valve body (1) is fixedly installed with valve deck (2) by screw rod (5) and nut (6), and valve deck
(2) it is bonded between valve body (1) and is provided with sealing ring pad, one end that the exit passageway (9) is located at below valve deck (2) is provided with
Pedestal (1501), and through-hole is offered in pedestal (1501) in the vertical center line of valve deck (2), and be located at bottom in through-hole
It is welded with filter screen (12), the bottom center of the valve deck (2) is welded with round block (3), the round block (3) and valve body (1)
Inside is fitted and connected, and the bottom center of the round block (3) is welded with limited block (4), and the bottom center of limited block (4) is opened
Equipped with sliding slot (402), sliding is provided with valve rod (7) in the sliding slot (402), and the valve rod (7) is located on the outside of sliding slot (402)
One end is welded with flap (10), and flap (10) is located in through-hole.
2. a kind of flange lift check valve according to claim 1, it is characterised in that: be located in the limited block (4)
The two sides of sliding slot (402) are opened up there are two circular groove (401), and sliding is embedded that there are two slide bar (8) in two circular grooves (401), and
And two slide bars (8) are located at one end on the outside of limited block (4) and weld with flap (10).
3. a kind of flange lift check valve according to claim 1, it is characterised in that: be located in the sliding slot (402)
The top sliding of valve rod (7) is embedded with sliding block (18), and two springs (17) is welded at the top of sliding block (18), and two bullets
The other end of spring (17) and the inner wall of sliding slot (402) weld.
4. a kind of flange lift check valve according to claim 1 or 3, it is characterised in that: the outer wall of the valve rod (7)
On be arranged with sealing block (19), and in sealing block (19) insertion limited block (4), and sealing block (19) is located under sliding block (18)
Side.
5. a kind of flange lift check valve according to claim 1, it is characterised in that: the bottom of the valve body (1) connects
It is logical to be provided with straight tube (13), and straight tube (13) is connected to intake channel (15), and straight tube (13) is located at one on the outside of valve body (1)
End cap is equipped with material stock bottle (14), and the outer wall of the valve body (1) is welded with reinforcing rod (16).
6. a kind of flange lift check valve according to claim 1, it is characterised in that: the outer wall of the round block (3) is opened
Round and elastic sealing ring (20) are embedded with equipped with annular groove, and in annular groove.
7. a kind of flange lift check valve according to claim 1, it is characterised in that: be embedded in the flap (10)
Sealing ring (11), and be fitted and connected inside sealing ring (11) and through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544027.5U CN209688181U (en) | 2019-04-22 | 2019-04-22 | A kind of flange lift check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544027.5U CN209688181U (en) | 2019-04-22 | 2019-04-22 | A kind of flange lift check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209688181U true CN209688181U (en) | 2019-11-26 |
Family
ID=68608016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920544027.5U Expired - Fee Related CN209688181U (en) | 2019-04-22 | 2019-04-22 | A kind of flange lift check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209688181U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610707A (en) * | 2020-12-07 | 2021-04-06 | 丁永雄 | Sewage valve with prevent stifled structure |
| CN117212507A (en) * | 2023-11-09 | 2023-12-12 | 靖江市新世纪液压件制造有限公司 | Waterproof pump inverted safety check valve |
| CN118167799A (en) * | 2024-05-16 | 2024-06-11 | 山东嘉隆新能源股份有限公司 | Inflammable liquid emergency cut-off valve device and use method thereof |
-
2019
- 2019-04-22 CN CN201920544027.5U patent/CN209688181U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610707A (en) * | 2020-12-07 | 2021-04-06 | 丁永雄 | Sewage valve with prevent stifled structure |
| CN117212507A (en) * | 2023-11-09 | 2023-12-12 | 靖江市新世纪液压件制造有限公司 | Waterproof pump inverted safety check valve |
| CN117212507B (en) * | 2023-11-09 | 2024-01-30 | 靖江市新世纪液压件制造有限公司 | Waterproof pump inverted safety check valve |
| CN118167799A (en) * | 2024-05-16 | 2024-06-11 | 山东嘉隆新能源股份有限公司 | Inflammable liquid emergency cut-off valve device and use method thereof |
| CN118167799B (en) * | 2024-05-16 | 2024-07-19 | 山东嘉隆新能源股份有限公司 | Inflammable liquid emergency cut-off valve device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191126 |