CN212225541U - Flushing bottom valve - Google Patents
Flushing bottom valve Download PDFInfo
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- CN212225541U CN212225541U CN202020825714.7U CN202020825714U CN212225541U CN 212225541 U CN212225541 U CN 212225541U CN 202020825714 U CN202020825714 U CN 202020825714U CN 212225541 U CN212225541 U CN 212225541U
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- flushing
- main valve
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- stop plate
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Abstract
The utility model relates to a centrifugal pump valve body field especially relates to a bath bottom valve. Comprises a main valve body with the top communicated with a water inlet of a centrifugal pump and a flushing valve body communicated with the main valve body; the main valve body comprises a main valve water stop plate, a main valve clack and a main valve fixing rod, wherein the bottom of the main valve water stop plate is fixedly connected with the main valve body, the main valve clack is arranged at the upper end of the main valve water stop plate and is movably contacted with the main valve water stop plate, and the main valve fixing rod is fixed in the main valve body and is used for enabling the main valve clack; the flushing valve body comprises a flushing water stop plate fixed at the bottom of the flushing valve body, a flushing water pump fixedly connected with the bottom of the flushing water stop plate and a flushing valve clack arranged at the upper end of the flushing water stop plate and movably contacted with the flushing water stop plate; a flushing valve fixing rod which enables the flushing valve flap to move up and down is fixed on the flushing valve body, and a spring is arranged between the flushing valve flap and the flushing valve fixing rod; the main valve clack and the flushing valve clack are of inverted T-shaped structures, and the bottom of the main valve clack and the flushing valve clack are fixed with flexible sealing parts. The utility model discloses can realize the automatic flushing of centrifugal pump.
Description
Technical Field
The utility model relates to a centrifugal pump valve body field especially relates to a bath bottom valve.
Background
A centrifugal pump is a machine for pumping water by using the centrifugal motion of water. When the liquid level is lower than the centrifugal pump, liquid is filled into the pump before starting, the pump body and the water inlet pipeline form vacuum, and then centrifugal force is generated through high-speed rotation of the impeller to continuously pump the liquid.
The existing flushing method comprises the following steps: 1. and (3) manual water filling method: the bottom valve is arranged on the water suction pipe, water is manually injected into the pump body to generate vacuum, and in the mode, because the water quality and the bottom valve process problem hardly reach the problem that the water in the pump body does not leak through the bottom valve after the pump is stopped, the pump body is required to be added with water to discharge gas when the pump body is restarted, so that the production time is greatly wasted. 2. And (3) a vacuum water tank water filling method: the water filling method of the vacuum water tank can be adopted. The vacuum water tank is a closed water tank welded by iron sheets, the volume of the vacuum water tank is at least 3 times of that of a water inlet pipe, the water tank is arranged as close as possible to the water pump, and the height of the bottom of the water tank is slightly lower than the axis of the water pump. The height of the vacuum tank is typically 2 times the diameter of the tank. Therefore, the volume of the vacuum water tank is much larger than that of the pump, and a large waste area is caused. 3. A vacuum pump water filling method: the vacuum pump is formed by assembling a vacuum pump and other equipment, most of the adopted vacuum pumps are water ring vacuum pumps, automation can be realized at present, but the operation and the operation of personnel have great technical requirements, the investment cost is high, and the vacuum pump is only suitable for large-scale pump stations.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bath bottom valve to solve above-mentioned problem, realize the automatic flushing of centrifugal pump.
In order to achieve the above object, the utility model provides a following scheme:
a flushing bottom valve comprises a main valve body and a flushing valve body, wherein the top of the main valve body is communicated with a water inlet of a centrifugal pump; the main valve body comprises a main valve water stop plate, a main valve clack and a main valve fixing rod, wherein the bottom of the main valve water stop plate is fixedly connected with the main valve body, the main valve clack is arranged at the upper end of the main valve water stop plate and is movably contacted with the main valve water stop plate, and the main valve fixing rod is fixed in the main valve body and is used for enabling the main valve clack to move up and down;
the flushing valve body comprises a flushing water stop plate fixed at the bottom of the flushing valve body, a flushing water pump fixedly connected with the bottom of the flushing water stop plate and a flushing valve clack arranged at the upper end of the flushing water stop plate and movably contacted with the flushing water stop plate;
a flushing valve fixing rod which enables the flushing valve flap to move up and down is fixed on the flushing valve body, and a spring is arranged between the flushing valve flap and the flushing valve fixing rod;
the main valve clack and the flushing valve clack are of inverted T-shaped structures, and a flexible sealing part is fixed at the bottom of the main valve clack and the flushing valve clack.
Preferably, the main valve water stop plate is annular, the inner diameter of the main valve water stop plate is smaller than the inner diameter of the main valve body, and the inner diameter of the main valve water stop plate is larger than the outer diameter of the main valve clack.
Preferably, the water stop plate of washing by water is the annular, the internal diameter of water stop plate of washing by water is less than the internal diameter of washing by water valve body, the internal diameter of water stop plate of washing by water is greater than the external diameter of washing by water valve clack.
Preferably, the bottom of the main valve body is connected with a coarse filter screen.
Preferably, the main valve body, the main valve water stop plate and the coarse filter screen are connected through flanges.
Preferably, the flushing valve body, the flushing water stop plate and the flushing water pump are connected through flanges.
In another preferred scheme, a water level sensor is arranged at the top of the main valve body and electrically connected with a PLC (programmable logic controller), and the PLC is electrically connected with the centrifugal pump and the flushing water pump.
The utility model discloses has following technological effect:
through the communication of the flushing valve body and the main valve body, the bottom of the flushing valve body is provided with a flushing valve clack, the bottom of the main valve body is provided with a main valve clack, a spring is arranged on the flushing valve clack, flushing of the main valve body is realized by utilizing a flushing water pump when flushing, the main valve clack seals the main valve body when flushing is realized, and when flushing is finished, the sealing of the flushing valve clack and the flushing valve body is realized by utilizing the acting force of the spring on the flushing valve clack, so that automatic flushing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
fig. 3 is a schematic connection diagram of the second embodiment.
Wherein, 1 is the coarse filtration net, 2 is the centrifugal pump, 3 is the main valve stagnant water board, 4 is the main valve clack, 5 is the main valve body, 6 is the main valve dead lever, 7 is the flushing valve body, 8 is the bath valve clack, 9 is the bath stagnant water board, 10 is the bath water pump, 11 is the flushing valve dead lever, 12 is the spring, 13 is the water level inductor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
referring to fig. 1, the present embodiment provides a flush bottom valve, which includes a main valve body 5 whose top is communicated with a water inlet of a centrifugal pump 2, and a flush valve body 7 communicated with the main valve body 5; the main valve body 5 comprises a main valve water stop plate 3, the bottom of which is fixedly connected with the main valve body 5, a main valve clack 4 which is arranged at the upper end of the main valve water stop plate 3 and is movably contacted with the main valve water stop plate 3, and a main valve fixing rod 6 which is fixed in the main valve body 5 and is used for enabling the main valve clack 4 to move up and down;
the flushing valve body 7 comprises a flushing water stop plate 9 fixed at the bottom of the flushing valve body 7, a flushing water pump 10 fixedly connected with the bottom of the flushing water stop plate 9 and a flushing valve flap 8 arranged at the upper end of the flushing water stop plate 9 and movably contacted with the flushing water stop plate 9;
a flushing valve fixing rod 11 which enables the flushing valve flap 8 to move up and down is fixed on the flushing valve body 7, and a spring 12 is arranged between the flushing valve flap 8 and the flushing valve fixing rod 11;
the main valve clack 4 and the flushing valve clack 8 are of inverted T-shaped structures, and flexible sealing parts are fixed at the bottoms of the main valve clack 4 and the flushing valve clack 8.
Further optimization scheme, main valve sealing plate 3 is the annular, and the internal diameter of main valve sealing plate 3 is less than the internal diameter of main valve body 5, and the internal diameter of main valve sealing plate 3 is greater than the external diameter of main valve clack 4.
Further optimize the scheme, the stagnant water board 9 of washing by water is the annular, and the internal diameter of the stagnant water board 9 of washing by water is less than the internal diameter of the valve body 7 of washing by water, and the internal diameter of the stagnant water board 9 of washing by water is greater than the external diameter of the valve clack 8 of washing by water.
Further optimizing the scheme, the bottom of the main valve body 5 is connected with a coarse filter screen 1.
Further optimizing the scheme, main valve body 5, main valve sealing-up plate 3, coarse filter screen 1 pass through flange joint.
In a further optimized scheme, the flushing valve body 7, the flushing water stop plate 9 and the flushing water pump 10 are connected through flanges.
The working process of the embodiment is as follows:
the flushing bottom valve of the utility model is fixedly connected with the water inlet of the centrifugal pump 2 through a flange, the centrifugal pump 2 is put into water, the main valve body 5 and the flushing water pump 10 are submerged by water, the flushing water pump 10 is started, the water pumped by the flushing water pump 10 pushes the flushing valve flap 8, the flushing valve flap 8 is pushed open, the water flows through along the gap between the flushing valve flap 8 and the flushing water stop plate 9 and enters the main valve body 5 through the flushing valve body 7, because the main valve flap 4 and the main valve water stop plate 3 are in a closed state, after the main valve body 5 is flushed with water, the water can continuously flow into the centrifugal pump 2, after the centrifugal pump 2 is flushed with water, the flushing water pump 10 is stopped, under the action of the spring 12, the flushing valve flap 8 and the flushing water stop plate 9 are closed, the centrifugal pump 2 is started to pump water, the water flows through the coarse filter screen 1, the main valve flap 4 is flushed, the water enters the main valve body 5 along the gap between, thereby realizing the function of automatic flushing.
Example two
The difference between the flush bottom valve of this embodiment and the first embodiment is only that the water outlet end of the centrifugal pump 2 is provided with a water level sensor 13, the water level sensor 13 is electrically connected with a PLC controller, and the PLC controller is electrically connected with the centrifugal pump 2 and the flush water pump 10. Before centrifugal pump 2 starts, water level inductor 13 responds to 2 water outlet end of centrifugal pump whether have liquid in, when sensing 2 water outlet end of centrifugal pump and not having liquid, and the PLC controller control is washed by water pump 10 and is washed by water, and after water level inductor 13 senses 2 water outlet end of centrifugal pump and has water in, the PLC controller control is washed by water pump 10 and is stopped, and the PLC controller control 2 automatic start of centrifugal pump are drawn water.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. A flush bottom valve characterized by: comprises a main valve body (5) the top of which is communicated with a water inlet of a centrifugal pump (2) and a flushing valve body (7) communicated with the main valve body (5); the main valve body (5) comprises a main valve water stop plate (3) with the bottom fixedly connected with the main valve body (5), a main valve clack (4) which is arranged at the upper end of the main valve water stop plate (3) and movably contacted with the main valve water stop plate (3), and a main valve fixing rod (6) which is fixed in the main valve body (5) and is used for enabling the main valve clack (4) to move up and down;
the flushing valve body (7) comprises a flushing water stop plate (9) fixed at the bottom of the flushing valve body (7), a flushing water pump (10) fixedly connected with the bottom of the flushing water stop plate (9) and a flushing valve flap (8) arranged at the upper end of the flushing water stop plate (9) and movably contacted with the flushing water stop plate (9);
a flushing valve fixing rod (11) which enables the flushing valve flap (8) to move up and down is fixed on the flushing valve body (7), and a spring (12) is arranged between the flushing valve flap (8) and the flushing valve fixing rod (11);
the main valve clack (4) and the flushing clack (8) are of an inverted T-shaped structure, and a flexible sealing part is fixed at the bottom of the main valve clack and the flushing clack.
2. The flush bottom valve of claim 1, wherein: the main valve water stop plate (3) is annular, the inner diameter of the main valve water stop plate (3) is smaller than that of the main valve body (5), and the inner diameter of the main valve water stop plate (3) is larger than the outer diameter of the main valve clack (4).
3. The flush bottom valve of claim 1, wherein: the water flushing water stop plate (9) is annular, the inner diameter of the water flushing water stop plate (9) is smaller than that of the water flushing valve body (7), and the inner diameter of the water flushing water stop plate (9) is larger than that of the water flushing valve clack (8).
4. The flush bottom valve of claim 1, wherein: the bottom of the main valve body (5) is connected with a coarse filter screen (1).
5. The flush bottom valve of claim 4, wherein: the main valve body (5), the main valve water stop plate (3) and the coarse filter screen (1) are connected through flanges.
6. The flush bottom valve of claim 1, wherein: the flushing valve body (7), the flushing water stop plate (9) and the flushing water pump (10) are connected through flanges.
7. The flush bottom valve of claim 1, wherein: the water outlet end of the centrifugal pump (2) is provided with a water level sensor (13), the water level sensor (13) is electrically connected with a PLC (programmable logic controller), and the PLC is electrically connected with the centrifugal pump (2) and the flushing water pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825714.7U CN212225541U (en) | 2020-05-18 | 2020-05-18 | Flushing bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825714.7U CN212225541U (en) | 2020-05-18 | 2020-05-18 | Flushing bottom valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225541U true CN212225541U (en) | 2020-12-25 |
Family
ID=73927513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020825714.7U Active CN212225541U (en) | 2020-05-18 | 2020-05-18 | Flushing bottom valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225541U (en) |
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2020
- 2020-05-18 CN CN202020825714.7U patent/CN212225541U/en active Active
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