CN203214342U - Bottom-valve-free water pumping device - Google Patents
Bottom-valve-free water pumping device Download PDFInfo
- Publication number
- CN203214342U CN203214342U CN 201320148050 CN201320148050U CN203214342U CN 203214342 U CN203214342 U CN 203214342U CN 201320148050 CN201320148050 CN 201320148050 CN 201320148050 U CN201320148050 U CN 201320148050U CN 203214342 U CN203214342 U CN 203214342U
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- Prior art keywords
- water
- water pump
- pipe
- valve
- water tank
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- 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 - Lifetime
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Abstract
The utility model discloses a bottom-valve-free water pumping device which comprises a water pump, a water feeding pipe, a water pump connection pipe and a water discharging pipe check valve, wherein the other end of the water feeding pipe of which one end is arranged below a water level is communicated with an inlet of the water pump through the water pump connection pipe; an outlet of the water pump is connected with the water discharging pipe check valve; a closed water tank is also arranged between the water feeding pipe and the water pump connection pipe; a flow guide pipe is arranged in the water tank; the capacity of the water tank which is higher than the highest point of an inner cavity of the water pump is larger than the triple of the sum of the capacity of the inner cavity of the water pump and the capacity of the water feeding pipe; a balance opening with an upward opening is formed in the flow guide pipe; the flow guide pipe is inclined; and one end of the flow guide pipe penetrates through the top of the water tank and is communicated with the water feeding pipe, and the other end of the flow guide pipe penetrates through the side surface of the water tank and is communicated with the inlet end of the water pump through the water pump connection pipe. The bottom-valve-free water pumping device has the advantages that a bottom valve can be eliminated, the lifting range, the gas etching allowance and the mechanical efficiency are higher, the applicability to conveying of multi-impurity water bodies is higher, and the bottom-valve-free water pumping device is more convenient to maintain.
Description
Technical field
The utility model belongs to fluid conveying technology field, relates to water plug, particularly the without bottom valve water plug.
Background technique
Water pump when start can must be made earlier to be full of water in the pump housing from than drawing water in the lower pond, pump housing position and finishing the conveying of water body, and the centrifugal force during wheel rotation produces vacuum, makes the water in the pond be pushed down into the pump housing in the barometric pressure effect.
The structure of the pond water plug of prior art comprises bottom valve, water pump, intake pipe, water pump connecting tube, outlet pipe check valve; Be located at undersurface bottom valve and be connected with intake pipe one end, the intake pipe the other end is communicated with the water pump import by the water pump connecting tube; Exit of pump is connected with the outlet pipe check valve; Connection mode is: outlet pipe check valve+water pump+bottom valve.Though this general connection mode volume is little, being in operation exists following shortcoming:
When A, shutdown, water hammer effect has extremely strong destructiveness to bottom valve, and bottom valve is fragile.
B, bottom valve rely on the rubber cushion sealing, and the sealing face is in the sewage body of more impurity, easily impurity is brought into the sealing face, thereby is made seal failure, and water pump can't move.
C, when drawing water, need bigger lifting power earlier the valve plate in the bottom valve to be lifted and open, the loss of this part energy has reduced the lift of water pump, has influenced the working efficiency of water pump.
The model utility content
For overcoming the deficiencies in the prior art, the utility model provides a kind of bottom valve that saves; The adaptability that lift and net positive suction head and mechanical efficiency be higher, many impurity water body is carried is stronger, keep in repair without bottom valve water plug more easily.
The utility model is to reach the technological scheme that above-mentioned technical purpose adopts to be: the without bottom valve water plug comprises water pump, intake pipe, water pump connecting tube, outlet pipe check valve; The other end that one end is located at undersurface intake pipe is communicated with the water pump import by the water pump connecting tube; Exit of pump is connected with the outlet pipe check valve; Also be provided with airtight water tank between intake pipe and water pump connecting tube, be provided with honeycomb duct in the water tank; Be higher than water pump inner chamber peak position with greater than water pump cavity volume and intake pipe volume sum three times of the volume of the water tank on top; Honeycomb duct is provided with opening balance openings up; Honeycomb duct is obliquely installed, and the one end passes the water tank end face and is communicated with intake pipe, and the other end passes the water tank side and is communicated with the water pump entrance point by the water pump connecting tube.
Described balance openings is that honeycomb duct is provided with the elongated opening compensating groove.
Described tank top is provided with water-adding pipe and outlet pipe, is provided with gate valve on water-adding pipe and the outlet pipe.
The beneficial effects of the utility model are: owing to also comprise airtight water tank and be arranged on the interior honeycomb duct of water tank; Be higher than water pump inner chamber peak position with greater than water pump cavity volume and intake pipe volume sum three times of the volume of the water tank on top; Honeycomb duct is provided with opening balance openings up; Honeycomb duct is obliquely installed, and the one end passes the water tank end face and is communicated with intake pipe, and the other end passes the water tank side and is communicated with the water pump entrance point by the water pump connecting tube.During water pump operation, it is earlier the water in the case to be sucked that wheel rotation produces vacuum, and the vacuum that liquid level decline produces in the water tank enters in the pump housing replenishing in the bilge suction box in the pond again, has therefore saved bottom valve; Owing to saved bottom valve, the utlity model has following advantage:
A, owing to saved bottom valve, except intake pipe, miscellaneous part is all more than the water surface (river course), but failure-free operation basically can be eliminated the maintenance difficult that causes because of the bottom valve fault and shut down stopping production.
B, owing to there has not been the unlatching energy consumption of bottom valve, improved pump head, increased net positive suction head.
C, owing to there has not been the acting link of lifting valve plate, improved the mechanical efficiency of whole device.
D, owing to there has not been the sealing requirements of bottom valve, the adaptability that many impurity water body is carried is stronger.
Using effect is better.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.Wherein:
Fig. 1 is schematic representation of the present utility model.
Marker number in the accompanying drawing is described as follows: intake pipe 1, water tank 2, honeycomb duct 3, compensating groove 4, water pump connecting tube 5
Embodiment
Embodiment of the present utility model, as shown in Figure 1, the without bottom valve water plug comprises water pump, intake pipe 1, water pump connecting tube 5, outlet pipe check valve; The other end that one end is located at undersurface intake pipe 1 is communicated with the water pump import by water pump connecting tube 5; Exit of pump is connected with the outlet pipe check valve; 5 of intake pipe 1 and water pump connecting tubes also are provided with airtight water tank 2, are provided with honeycomb duct 3 in the water tank 2; Be higher than water pump inner chamber peak position with greater than water pump cavity volume and intake pipe 1 volume sum three times of the volume of the water tank 2 on top; Honeycomb duct 3 is provided with opening balance openings up; Honeycomb duct 3 is obliquely installed, and the one end passes water tank 2 end faces and is communicated with intake pipe 1, and the other end passes water tank 2 sides and is communicated with the water pump entrance point by water pump connecting tube 5.
Described balance openings is that honeycomb duct 3 is provided with elongated opening compensating groove 4.
Described water tank 2 tops are provided with water-adding pipe and outlet pipe, are provided with gate valve on water-adding pipe and the outlet pipe.
Working principle of the present utility model is:
At pump side a water tank 2 is set, be higher than water pump inner chamber peak position with greater than water pump cavity volume and intake pipe 1 volume sum three times of the volume of the water tank 2 on top, such volume setting can guarantee that the water yields in the water tank 2 are enough to get rid of in the pump housing and the air in the intake pipe 1.The centrifugal force that wheel rotation produces during operation is enough to make the water in the pond to be pressed in the water tank 2 and enters the pump housing, saves bottom valve thereby reach, and increases suction head, reduces the purpose of water pump rate of fault.
This water tank 2 arranges the position and is higher than water pump generally and satisfies in the case and the requirement of intake pipe 1 water reserve, sets out the mouth of a river (that is water outlet of honeycomb duct 3) in water tank 2 bottoms, and water tank 2 tops arrange water-adding pipe and outlet pipe, on water-adding pipe and the outlet pipe gate valve are installed.Between intake pipe 1 and water pump connecting tube 5, honeycomb duct 3 is set, offers compensating groove 4 on the honeycomb duct 3, with the hydraulic pressure in balance honeycomb duct 3 and the water tank 2.
During installation, water tank 2 water outlets (that is water outlet of honeycomb duct 3) are connected with water pump by water pump connecting tube 5, pump outlet is equipped with check valve, and the water intake of water tank 2 (that is water intake of honeycomb duct 3) is received at the bottom of the pond by intake pipe 1.The mouth of pipe of intake pipe 1 can arrange filter screen as required and enter the pump housing to prevent bulk impurity.The water-adding pipe at water tank 2 tops can be connected with water outlet end or other water source of pump.Should guarantee the seal of water tank 2 and each pipe fitting tie point during installation.
Open water-adding pipe and outlet pipe before the water pump operation earlier, guarantee to fill in the water tank 2 gate valve of closing water-adding pipe and outlet pipe behind the water.The operation water pump sucks the water in the water tank 2 earlier thereby water pump vane rotate to produce vacuum, and the descend vacuum that produces of liquid levels sucks the water in the pond in the water tank 2 again and replenishes in the pump housing in the water tank 2.So reach the without bottom valve operation of water pump.Arranging of honeycomb duct 3, compensating groove 4 can be to carrying out replenishing of water in the time of can making startup in the whole water tank 2, and flowing of water can be limited in haply when normally moving in the scope in the honeycomb duct 3, avoid the mobile kinetic energy of water to expand the loss that increases kinetic energy in whole water tank 2 bodies to.To be back in the water tank 2 with the interior part water of pipeline in the pump during shutdown, the damage that only need replenish long-time shutdown next time when starting shooting is leaked, for start next time offers convenience.
Claims (3)
1. the without bottom valve water plug comprises water pump, intake pipe, water pump connecting tube, outlet pipe check valve; The other end that one end is located at undersurface intake pipe is communicated with the water pump import by the water pump connecting tube; Exit of pump is connected with the outlet pipe check valve; It is characterized in that: also be provided with airtight water tank between intake pipe and water pump connecting tube, be provided with honeycomb duct in the water tank; Be higher than water pump inner chamber peak position with greater than water pump cavity volume and intake pipe volume sum three times of the volume of the water tank on top; Honeycomb duct is provided with opening balance openings up; Honeycomb duct is obliquely installed, and the one end passes the water tank end face and is communicated with intake pipe, and the other end passes the water tank side and is communicated with the water pump entrance point by the water pump connecting tube.
2. without bottom valve water plug according to claim 1, it is characterized in that: described balance openings is that honeycomb duct is provided with the elongated opening compensating groove.
3. without bottom valve water plug according to claim 1 and 2, it is characterized in that: described tank top is provided with water-adding pipe and outlet pipe, is provided with gate valve on water-adding pipe and the outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148050 CN203214342U (en) | 2013-03-28 | 2013-03-28 | Bottom-valve-free water pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148050 CN203214342U (en) | 2013-03-28 | 2013-03-28 | Bottom-valve-free water pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214342U true CN203214342U (en) | 2013-09-25 |
Family
ID=49203886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320148050 Expired - Lifetime CN203214342U (en) | 2013-03-28 | 2013-03-28 | Bottom-valve-free water pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654383A (en) * | 2017-11-10 | 2018-02-02 | 重庆林德科技发展有限公司 | Vacuum self-sucking pot |
-
2013
- 2013-03-28 CN CN 201320148050 patent/CN203214342U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654383A (en) * | 2017-11-10 | 2018-02-02 | 重庆林德科技发展有限公司 | Vacuum self-sucking pot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |