CN206017899U - A kind of lift check valve - Google Patents
A kind of lift check valve Download PDFInfo
- Publication number
- CN206017899U CN206017899U CN201620951843.4U CN201620951843U CN206017899U CN 206017899 U CN206017899 U CN 206017899U CN 201620951843 U CN201620951843 U CN 201620951843U CN 206017899 U CN206017899 U CN 206017899U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- plate
- cylinder
- spring
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a kind of lift check valve, including valve body, the inner chamber of the valve body is provided with fixed seat, the fixed seat is connected with valve body by cylinder, the inwall of the cylinder is provided with through hole, the cylinder is connected with fastener with the junction of valve body, the inner chamber of the cylinder slidably connects the first valve plate, first valve plate is connected with fixed seat by retractor device, the retractor device includes crust of the device, the inner chamber of described device shell slidably connects portable plate, the portable plate is connected with crust of the device by spring, the inner chamber top of the top of the portable plate and crust of the device is installed with the first spring stand, second spring deck is installed with the inside of first spring stand, the bottom of the portable plate is installed with connecting rod.The lift check valve, by the cooperation of the first valve plate, sliding connector, retractor device and connecting rod, it is to avoid flap can not reset and make the serious consequence that medium flows backwards.
Description
Technical field
This utility model is related to valve technology field, specially a kind of lift check valve.
Background technology
Lift check valve is referred to and is flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards
Door, also known as non-return valve, check valve, reflux valve and counterbalance valve, industrially a large amount of uses at present, check-valves belong to a kind of automatic
Valve, its Main Function are to prevent medium from flowing backwards, prevent pump and drive motor, compressor, steam turbine reversion, and container to be situated between
Matter is released, and the flap of lift check valve is located on valve body upper valve base sealing surface, this valve can be free except flap
Outside ground lifting, as stop valve, Fluid pressure makes flap lift from sealing surface of seat to remainder, and medium back flow is led
Cause flap to fall back on valve seat, and cut off flowing, when medium flows by prescribed direction, flap is acted on by medium power, is opened
Open, during medium counter flow, because flap deadweight and flap are acted on by medium opposite force, make flap closely sealed with the sealing surface of valve seat and close
Close, reach the purpose for preventing medium counter flow, the such as patent of Patent No. 201120385414.2, including valve body, valve seat, valve
Lobe, part, bolt, nut, rotating shaft is covered, wherein flap, rotating shaft is all oval, has one between flap upper surface and fairlead
Protecting against shock spring, the flap of current lift check valve are in the form of annular discs, and the rotating shaft around valve base channel rotates, and easily causes
Rotating shaft is worn and torn, or even rubs, and valve rod is susceptible to deviate, and causes flap reset, and causes medium to flow backwards.
Utility model content
The purpose of this utility model is to provide a kind of lift check valve, with solve in above-mentioned background technology propose ask
Topic.
For achieving the above object, this utility model provides following technical scheme：A kind of lift check valve, including valve body,
The inner chamber of the valve body is provided with fixed seat, and the fixed seat is connected with valve body by cylinder, and the inwall of the cylinder is provided with through hole,
The cylinder is connected with fastener with the junction of valve body, and the inner chamber of the cylinder slidably connects the first valve plate, first valve
Door is connected with cylinder by sliding connector, and first valve plate is connected with fixed seat by retractor device, the retractor device
Including crust of the device, the inner chamber of described device shell slidably connects portable plate, and the portable plate is by spring and crust of the device
It is connected, the inner chamber top of the top of the portable plate and crust of the device is installed with the first spring stand, first bullet
Second spring deck is installed with the inside of spring deck, and the bottom of the portable plate is installed with connecting rod, the connection
Bottom outer wall of the bar through crust of the device, is provided with shrouding on the outside of the valve body, the shrouding is provided with pad with the junction of valve body
Piece, the shrouding are connected with valve body by fixing bolt.
Preferably, the bottom of first valve plate is installed with the second valve plate, and the inwall of the valve body is installed with
Deck.
Preferably, sealing ring is installed with the outside of second valve plate.
Preferably, the connecting rod is provided with sealing shroud with the junction of crust of the device.
Preferably, the upper and lower ends of the valve body are equipped with sealing gasket draw-in groove.
Compared with prior art, the beneficial effects of the utility model are：The lift check valve, by fixed seat, cylinder,
First valve plate and the cooperation of retractor device, rotating shaft when can avoid the device busy is worn and torn, or even rubs, by first
The cooperation of valve plate, sliding connector, retractor device and connecting rod, in the presence of medium itself flowing, the first valve plate is by connecting
Extension bar Compressive activities plate, portable plate extrusion spring are moved upwards, and after the first valve plate moves to certain position, medium is by logical
Hole is flowed out, so as to preventing valve rod from deviateing, it is to avoid flap can not reset and make the serious consequence of medium refluence.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is retractor device cross section structure diagram of the present utility model.
In figure：1st, valve body, 2, fixed seat, 3, cylinder, 4, through hole, 5, fastener, the 6, first valve plate, 7, sliding connector, 8,
Retractor device, 801, crust of the device, 802, portable plate, the 803, first spring stand, 804, second spring deck, 805, spring,
806th, connecting rod, 807, sealing shroud, the 9, second valve plate, 10, deck, 11, sealing ring, 12, shrouding, 13, pad, 14, fixed spiral shell
Bolt, 15, sealing gasket draw-in groove.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2 is referred to, this utility model provides a kind of technical scheme：A kind of lift check valve, including valve body 1, valve
There is body 1 very high intensity, high temperature resistant, high pressure, the inner chamber of the valve body 1 to be provided with fixed seat 2, and fixed seat 2 plays fixed support
Effect, the fixed seat 2 are connected with valve body 1 by cylinder 3, and the inwall of the cylinder 3 is provided with through hole 4, and medium is flowed through through hole 4
Go out, the cylinder 3 is connected with fastener 5 with the junction of valve body 1, and fastener 5 facilitates the dismounting of cylinder 3, is easy to keep in repair, the cylinder
3 inner chamber slidably connects the first valve plate 6, and first valve 6 is connected with cylinder 3 by sliding connector 7, the first valve plate 6
Control on-off action is played to pipeline, and first valve plate 6 is connected with fixed seat 2 by retractor device 8, the retractor device 8
Including crust of the device 801, crust of the device 801 plays a protective role, and the inner chamber of described device shell 801 slidably connects portable plate
802, portable plate 802 slides on the inwall of crust of the device 801, and the portable plate 802 is by spring 805 and crust of the device 801
It is connected, spring 805 is by occurring elastic deformation, the top of the portable plate 802 and crust of the device after the extruding of portable plate 802
801 inner chamber top is installed with the first spring stand 803, and the inner side of first spring stand 803 is installed with
Second spring deck 804, the first spring stand 803 and second spring deck 804 play a part of fixed spring 805, described
The bottom of portable plate 802 is installed with connecting rod 806, and the connecting rod 806 runs through the bottom outer wall of crust of the device 801, the
In the presence of medium itself flowing, the first valve plate 6 drives 806 Compressive activities plate 802 of connecting rod, portable plate 802 to squeeze to one valve plate 6
Pressing spring 805 is moved upwards, spring 805 be squeezed after occur elastic deformation, when the first valve plate 6 move to certain position it
Afterwards, medium is flowed out by through hole 4, and when medium itself stops flowing, the first valve plate 6 is returned in the presence of spring 805 originally
Position, valve body 1 is blocked, prevents medium from flowing backwards, the first valve plate 6 is upper and lower in the inwall of cylinder 3 by sliding connector 7
Slide, prevent valve rod from deviateing, the outside of the valve body 1 is provided with shrouding 12, and shrouding 12 is sealed to valve body 1, the envelope
Plate 12 is provided with pad 13 with the junction of valve body 1, and pad 13 improves the sealing of the device, and the shrouding 12 passes through fixing bolt
14 are connected with valve body 1, and fixing bolt 14 is fixed to shrouding 12, and the bottom of first valve plate 6 is installed with the second valve
Plate 9, the inwall of the valve body 1 are installed with deck 10, can be realized to the dress by the cooperation of the second valve plate 9 and deck 10
Putting carries out dual-seal, is installed with sealing ring 11 on the outside of second valve plate 9, and sealing ring 11 improves the sealing of the device
Property, the connecting rod 806 is provided with sealing shroud 807 with the junction of crust of the device 801, and sealing shroud 807 improves the sealing of the device
Property, the upper and lower ends of the valve body 1 are equipped with sealing gasket draw-in groove 15.
When the device works, in the presence of medium itself flowing, the first valve plate 6 drives connecting rod 806 to the first valve plate 6
Compressive activities plate 802,802 extrusion spring 805 of portable plate are moved upwards, and spring 805 occurs elastic deformation after being squeezed, when the
After one valve plate 6 moves to certain position, medium is flowed out by through hole 4, and when medium itself stops flowing, the first valve plate 6 exists
Original position being returned in the presence of spring 805, valve body 1 being blocked, prevent medium from flowing backwards, the first valve plate 6 is by sliding
Connector 7 is slided up and down in the inwall of cylinder 3, prevent valve rod from deviateing, it is to avoid flap can not reset and flow backwards medium
Serious consequence.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of lift check valve, including valve body（1）, it is characterised in that：The valve body（1）Inner chamber be provided with fixed seat（2）,
The fixed seat（2）By cylinder（3）With valve body（1）It is connected, the cylinder（3）Inwall be provided with through hole（4）, the cylinder
（3）With valve body（1）Junction be connected with fastener（5）, the cylinder（3）Inner chamber slidably connect the first valve plate（6）, described
First valve plate（6）By sliding connector（7）With cylinder（3）It is connected, first valve plate（6）By retractor device（8）With solid
Reservation（2）It is connected, the retractor device（8）Including crust of the device（801）, described device shell（801）Inner chamber be slidably connected
There is portable plate（802）, the portable plate（802）By spring（805）With crust of the device（801）It is connected, the portable plate（802）
Top and crust of the device（801）Inner chamber top be installed with the first spring stand（803）, first spring stand
（803）Inner side be installed with second spring deck（804）, the portable plate（802）Bottom be installed with connecting rod
（806）, the connecting rod（806）Run through crust of the device（801）Bottom outer wall, the valve body（1）Outside be provided with shrouding
（12）, the shrouding（12）With valve body（1）Junction be provided with pad（13）, the shrouding（12）By fixing bolt（14）With
Valve body（1）It is connected.
2. a kind of lift check valve according to claim 1, it is characterised in that：First valve plate（6）Bottom solid
Dingan County is equipped with the second valve plate（9）, the valve body（1）Inwall be installed with deck（10）.
3. a kind of lift check valve according to claim 2, it is characterised in that：Second valve plate（9）Outside is fixed
Sealing ring is installed（11）.
4. a kind of lift check valve according to claim 1, it is characterised in that：The connecting rod（806）Outside device
Shell（801）Junction be provided with sealing shroud（807）.
5. a kind of lift check valve according to claim 1, it is characterised in that：The valve body（1）Upper and lower ends equal
It is provided with sealing gasket draw-in groove（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620951843.4U CN206017899U (en) | 2016-08-27 | 2016-08-27 | A kind of lift check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620951843.4U CN206017899U (en) | 2016-08-27 | 2016-08-27 | A kind of lift check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017899U true CN206017899U (en) | 2017-03-15 |
Family
ID=58252060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620951843.4U Active CN206017899U (en) | 2016-08-27 | 2016-08-27 | A kind of lift check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905798A (en) * | 2019-12-31 | 2020-03-24 | 洪恩流体科技有限公司 | Automatic anti-overheating device for fire pump |
| CN111412377A (en) * | 2020-03-05 | 2020-07-14 | 铜陵兴荣阀门管件有限公司 | One-way drain valve |
| CN112412722A (en) * | 2020-11-05 | 2021-02-26 | 太原理工大学 | High-speed active lubrication radial static balance plunger pump for high-water-based medium |
-
2016
- 2016-08-27 CN CN201620951843.4U patent/CN206017899U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905798A (en) * | 2019-12-31 | 2020-03-24 | 洪恩流体科技有限公司 | Automatic anti-overheating device for fire pump |
| CN110905798B (en) * | 2019-12-31 | 2024-05-24 | 洪恩流体科技有限公司 | Automatic overheat prevention device of fire pump |
| CN111412377A (en) * | 2020-03-05 | 2020-07-14 | 铜陵兴荣阀门管件有限公司 | One-way drain valve |
| CN112412722A (en) * | 2020-11-05 | 2021-02-26 | 太原理工大学 | High-speed active lubrication radial static balance plunger pump for high-water-based medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206017899U (en) | A kind of lift check valve | |
| CN106704618B (en) | High-performance gate valve | |
| CN110345284A (en) | A kind of check-valves | |
| CN202659981U (en) | Silent check valve | |
| CN206017914U (en) | A kind of lift check valve with flow control function | |
| CN204477396U (en) | A kind of one-way non-return control valve unit | |
| CN103836237B (en) | Fusiformis is adjustable non-return valve | |
| CN202144887U (en) | Ball check valve | |
| CN204664500U (en) | Structure improved safety check | |
| CN205244824U (en) | Negative pressure air cooler air isolating valve | |
| CN201137716Y (en) | Upper mounting type ball-valve | |
| CN106870779A (en) | Protecting against shock lift check valve | |
| CN207278955U (en) | A kind of Vertical Lift Check Valves | |
| CN109944956B (en) | Ultra-high pressure gate valve | |
| CN208535185U (en) | A kind of butterfly valve with ventilation function | |
| CN204628657U (en) | A kind of silencing type safety check | |
| CN203783879U (en) | Pressure release valve of hydraulic pump | |
| CN202451900U (en) | Right-angle quick closing check valve | |
| CN206017904U (en) | A kind of swing check valve | |
| CN205663945U (en) | Self sealss function regulating valve | |
| CN201487327U (en) | Safety fuel gas valve | |
| CN204061924U (en) | Internal bypass balanced type break valve | |
| CN204647442U (en) | A kind of safety check of reinforced seal performance | |
| CN209444850U (en) | One kind being based on pneumatic-operated extraction check valve | |
| CN206582365U (en) | A kind of novel horizontal check-valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Maike Special Valve Technology Co.,Ltd. Assignor: JIANGSU SUYAN VALVE MACHINERY Co.,Ltd. Contract record no.: X2023980053070 Denomination of utility model: A lifting check valve Granted publication date: 20170315 License type: Exclusive License Record date: 20231222 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Jiangsu Maike Special Valve Technology Co.,Ltd. Assignor: JIANGSU SUYAN VALVE MACHINERY Co.,Ltd. Contract record no.: X2023980053070 Date of cancellation: 20240619 |