CN220102172U - Novel bottom valve device - Google Patents
Novel bottom valve device Download PDFInfo
- Publication number
- CN220102172U CN220102172U CN202223270076.5U CN202223270076U CN220102172U CN 220102172 U CN220102172 U CN 220102172U CN 202223270076 U CN202223270076 U CN 202223270076U CN 220102172 U CN220102172 U CN 220102172U
- Authority
- CN
- China
- Prior art keywords
- valve
- plate
- fixedly connected
- water inlet
- steel pipe
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a novel bottom valve device, which comprises a valve shell, wherein a water outlet is formed in the top of the valve shell, a valve plate is connected in the valve shell in a sliding manner through a guide mechanism, a water inlet is formed in the bottom of the valve shell, and the projected clearance area of the valve plate and the valve shell in a top view is larger than the cross section area of the top view projection of the water outlet and the water inlet; the valve casing comprises a steel pipe, a conical shrinkage pipe is fixedly connected to the top end opening of the steel pipe, a water outlet is formed in the top end of the conical shrinkage pipe, a first flange is fixed on the outer wall of the top of the conical shrinkage pipe, and a bottom plate is fixedly connected to the bottom end of the steel pipe through a second flange; in the utility model, because the area of the gap between the inner cavity of the valve shell and the valve plate is larger than the area of the water outlet and the water inlet, the water can not generate larger resistance in the valve shell, and can smoothly enter the water pump through the bottom valve, thereby avoiding serious cavitation phenomenon when the water pump works at the rated rotation speed, and greatly reducing the energy consumption loss of the pump station system.
Description
Technical Field
The utility model relates to a valve, in particular to a novel bottom valve device.
Background
The bottom valve is also called as a check valve, and is a low-pressure plate valve, which has the function of ensuring that liquid flows unidirectionally in the suction pipeline, so that the liquid cannot return to the water source tank when the pump stops working intermittently for a short time in normal operation of the pump, and the suction pipe is ensured to be full of liquid, thereby being beneficial to starting the pump.
The bottom valve is also commonly used for a pump station system for an automobile rain test, and is mainly used for preventing liquid in a pump from flowing reversely when the pump station system works, so that the liquid is ensured to flow unidirectionally in a suction pipeline.
The bottom valves currently on the market have the following drawbacks: the equivalent water passing area of some bottom valves is far smaller than the diameter area of an inlet and an outlet, so that serious cavitation phenomena can occur in the bottom valves and the water pump when the water pump works at the rated rotation speed, and the power of a pump station is seriously lost.
Disclosure of Invention
The present utility model is directed to a novel bottom valve device to solve the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the novel bottom valve device comprises a valve shell, a water outlet is formed in the top of the valve shell, a valve plate is connected in the valve shell in a sliding mode through a guide mechanism, a water inlet is formed in the bottom of the valve shell, and the projected clearance area of the valve plate and the valve shell in the top view is larger than the projected cross section area of the water outlet and the water inlet in the top view.
As a further scheme of the utility model: the valve casing comprises a steel pipe, a conical shrinkage pipe is fixedly connected to the top end opening of the steel pipe, the water outlet is formed in the top end of the conical shrinkage pipe, a first flange is fixed on the outer wall of the top of the conical shrinkage pipe, a bottom plate is fixedly connected to the bottom end of the steel pipe through a second flange, and the water inlet is formed in the bottom plate.
As a further scheme of the utility model: the valve plate is located the steel pipe, and the top center department fixedly connected with guide arm of valve plate, guiding mechanism includes the guide ring of sliding sleeve joint on the guide arm, the outer wall fixedly connected with a plurality of connecting rods of guide ring, the one end that the guide ring was kept away from to the connecting rod and the inner wall fixed connection of steel pipe.
As a further scheme of the utility model: the bottom of valve plate is provided with sealed pad, the bottom center department of sealed pad is provided with the backing plate, the bottom of backing plate is provided with the bolt that runs through backing plate and sealed pad, and the bolt is connected with the valve plate cooperation, be provided with the sealing washer between second flange and the bottom plate.
As still further aspects of the utility model: the bottom of the bottom plate is fixedly connected with a positioning ring outside the water inlet, and the outer wall of the positioning ring is fixedly connected with a filter screen.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, because the area of the gap between the inner cavity of the valve shell and the valve plate is larger than the area of the water outlet and the water inlet, the water can not generate larger resistance in the valve shell, and can smoothly enter the water pump through the bottom valve, thereby avoiding serious cavitation phenomenon when the water pump works at the rated rotation speed, and greatly reducing the energy consumption loss of the pump station system.
Drawings
Fig. 1 is a schematic structural view of a novel bottom valve apparatus.
Fig. 2 is an enlarged view at a in fig. 2.
Fig. 3 is a schematic structural view of a connecting rod in the novel bottom valve apparatus.
The device comprises a steel pipe 1, a conical shrinkage pipe 2, a water outlet 3, a bottom plate 4, a water inlet 5, a positioning ring 6, a filter screen 7, a connecting rod 8, a guide ring 9, a valve plate 10, a guide rod 11, a sealing gasket 12, a base plate 13 and a bolt 14.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have the orientation specific to the specification, be constructed and operated in the specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
Referring to fig. 1 to 3, in the embodiment of the utility model, the novel bottom valve device comprises a valve housing, wherein a water outlet 3 is formed in the top of the valve housing, a valve plate 10 is slidably connected in the valve housing through a guide mechanism, a water inlet 5 is formed in the bottom of the valve housing, and the projected clearance area of the valve plate 10 and the valve housing in a top view is larger than the cross-sectional area of the top view projection of the water outlet 3 and the water inlet 5;
specifically, the water outlet 3 and the water inletThe area of the nozzle 5 is: (1.25/2) 2 π＝1.227dm 2 ；
The clearance area between the valve housing cavity and the valve plate 10 is: (2.06/2) 2 π-(1.55/2) 2 π＝1.446dm 2 (wherein 2.06dm is the diameter of the valve housing cavity corresponding to the valve plate 10 and 1.55dm is the diameter of the valve plate 10);
because the clearance area between the valve shell inner cavity and the valve plate 10 is larger than the areas of the water outlet 3 and the water inlet 5, the water can not be more resistant in the valve shell, and can smoothly enter the water pump through the bottom valve, so that serious cavitation is avoided when the water pump works at the rated rotation speed, and the energy consumption loss of a pump station system is greatly reduced.
With specific reference to fig. 1, in one embodiment of the present utility model, the valve housing includes a steel pipe 1, an opening at a top end of the steel pipe 1 is fixedly connected with a tapered shrink tube 2, the water outlet 3 is formed at a top end of the tapered shrink tube 2, a first flange is fixed on an outer wall of a top of the tapered shrink tube 2, the first flange is used for connecting a pipeline of a water pump or a water inlet end of the water pump, a bottom plate 4 is fixedly connected with a bottom end of the steel pipe 1 through a second flange, and the water inlet 5 is formed on the bottom plate 4.
With specific reference to fig. 1 and fig. 3, in an embodiment of the present utility model, the valve plate 10 is located in the steel pipe 1, and a guide rod 11 is fixedly connected to the center of the top of the valve plate 10, the guide mechanism includes a guide ring 9 slidably sleeved on the guide rod 11, the outer wall of the guide ring 9 is fixedly connected with a plurality of connecting rods 8, one end of the connecting rod 8 away from the guide ring 9 is fixedly connected with the inner wall of the steel pipe 1, and the stability of the movement of the valve plate 10 can be improved by using the guiding function of the guide ring 9 on the guide rod 11.
With specific reference to fig. 1, in one embodiment of the present utility model, a sealing gasket 12 is disposed at the bottom of the valve plate 10, a backing plate 13 is disposed at the bottom center of the sealing gasket 12, a bolt 14 penetrating through the backing plate 13 and the sealing gasket 12 is disposed at the bottom of the backing plate 13, the bolt 14 is connected with the valve plate 10 in a matching manner, a sealing ring is disposed between the second flange and the bottom plate 4, and tightness between the valve plate 10 and the bottom plate 4 can be improved through the arrangement of the sealing gasket 12, so that water in the bottom valve and the pipeline is prevented from being discharged from the water inlet 5 when the water pump is closed.
With specific reference to fig. 1, in an embodiment of the present utility model, a positioning ring 6 is fixedly connected to the bottom of the bottom plate 4 at the outer side of the water inlet 5, a filter screen 7 is fixedly connected to the outer wall of the positioning ring 6, and water entering the bottom valve can be filtered through the arrangement of the filter screen 7, so that interference caused by the filter screen 7 to water inlet is avoided, and the total area of the filter holes on the filter screen 7 is due to the area of the heavy rain water inlet 5.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. Novel bottom valve device, its characterized in that: the novel water inlet valve comprises a valve shell, wherein a water outlet (3) is formed in the top of the valve shell, a valve plate (10) is connected in the valve shell in a sliding mode through a guide mechanism, a water inlet (5) is formed in the bottom of the valve shell, and the projected clearance area of the valve plate (10) and the valve shell on the top view is larger than the projected cross section area of the water outlet (3) and the water inlet (5) in the top view.
2. The novel bottom valve assembly of claim 1, wherein: the valve casing comprises a steel pipe (1), a conical shrinkage pipe (2) is fixedly connected to the top end opening of the steel pipe (1), a water outlet (3) is formed in the top end of the conical shrinkage pipe (2), a first flange is fixed on the outer wall of the top of the conical shrinkage pipe (2), a bottom plate (4) is fixedly connected to the bottom end of the steel pipe (1) through a second flange, and a water inlet (5) is formed in the bottom plate (4).
3. The novel bottom valve assembly of claim 2, wherein: the valve plate (10) is located in the steel pipe (1), a guide rod (11) is fixedly connected to the center of the top of the valve plate (10), the guide mechanism comprises a guide ring (9) which is sleeved on the guide rod (11) in a sliding mode, a plurality of connecting rods (8) are fixedly connected to the outer wall of the guide ring (9), and one end, away from the guide ring (9), of each connecting rod (8) is fixedly connected with the inner wall of the steel pipe (1).
4. The novel bottom valve assembly of claim 2, wherein: the bottom of valve plate (10) is provided with sealed pad (12), the bottom center department of sealed pad (12) is provided with backing plate (13), the bottom of backing plate (13) is provided with bolt (14) that run through backing plate (13) and sealed pad (12), and bolt (14) are connected with valve plate (10) cooperation, be provided with the sealing washer between second flange and bottom plate (4).
5. The novel bottom valve assembly of claim 2, wherein: the bottom of the bottom plate (4) is positioned at the outer side of the water inlet (5) and fixedly connected with a positioning ring (6), and the outer wall of the positioning ring (6) is fixedly connected with a filter screen (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223270076.5U CN220102172U (en) | 2022-12-07 | 2022-12-07 | Novel bottom valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223270076.5U CN220102172U (en) | 2022-12-07 | 2022-12-07 | Novel bottom valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102172U true CN220102172U (en) | 2023-11-28 |
Family
ID=88842073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223270076.5U Active CN220102172U (en) | 2022-12-07 | 2022-12-07 | Novel bottom valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102172U (en) |
-
2022
- 2022-12-07 CN CN202223270076.5U patent/CN220102172U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220102172U (en) | Novel bottom valve device | |
| CN215860122U (en) | Gas well suction bubble row integrated liquid discharge device | |
| CN212744359U (en) | Vertical submerged pump | |
| CN218818350U (en) | One-way valve | |
| CN209925298U (en) | Device for changing water absorption mode of submersible pump | |
| CN220251102U (en) | Clamping block sealing type stainless steel non-return water meter | |
| CN220415703U (en) | Double-suction pump capable of preventing groove from accumulating water | |
| CN213779424U (en) | Water tap testing mechanism | |
| CN210484703U (en) | Novel mute check valve | |
| CN210440204U (en) | Improved fluid chamber structure of water pump | |
| CN215980990U (en) | Check valve convenient to installation | |
| CN219795554U (en) | Single-screw pump shaft seal structure for high self-priming working condition | |
| CN214331865U (en) | Throttling device for water | |
| CN219263501U (en) | Check valve convenient to assemble and disassemble | |
| CN210240663U (en) | Precision check valve cover | |
| CN211820120U (en) | High-efficiency filter for self-priming pump | |
| CN220251345U (en) | Valve fluid test pipeline | |
| CN219970726U (en) | Siphon structure is prevented to vacuum pump water storage tank overflow pipe | |
| CN212407051U (en) | Self-suction type centrifugal pump system of sewage treatment system | |
| CN217380841U (en) | Pneumatic diaphragm pump fault detection device | |
| CN220434950U (en) | Chemical liquid metering and adding pump | |
| CN220286530U (en) | Check valve, flushing assembly and toilet | |
| CN218270996U (en) | Tap water meter detection device | |
| CN219242291U (en) | Water pump with sealing structure | |
| CN218294508U (en) | Anti-leakage self-sealing valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |