CN210977891U - Low-noise vacuum self-sucking pump - Google Patents
Low-noise vacuum self-sucking pump Download PDFInfo
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- CN210977891U CN210977891U CN201921927045.8U CN201921927045U CN210977891U CN 210977891 U CN210977891 U CN 210977891U CN 201921927045 U CN201921927045 U CN 201921927045U CN 210977891 U CN210977891 U CN 210977891U
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- vacuum
- vacuum pump
- pump body
- water pump
- pump
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Abstract
The utility model discloses a low noise vacuum self priming pump, it includes the vacuum pump body and the water pump body, and the vacuum pump cover is installed to the tip of the vacuum pump body, and the installation of the water pump body is fixed in the outside of vacuum pump cover is provided with the pivot in the vacuum pump body, and the vacuum pump impeller sets up in the pivot, and the tip of pivot passes the vacuum pump cover and stretches into the setting of the water pump body, water pump impeller install in tip in the water pump body is stretched into in the pivot, and the vacuum pump is covered and is seted up the air inlet that is linked together vacuum pump internal chamber and water pump internal chamber, and the low-pressure area of impeller work. The low-noise vacuum self-sucking pump is characterized in that a vacuum valve is communicated with a vacuum low-pressure area through a pipeline, parameters of the vacuum valve are set according to the self-sucking requirement of the water pump, and the vacuum valve is opened when the pressure of the low-pressure area is lower than a set value to supplement air pressure. The structure is simple, and the realization is easy; and the noise is basically eliminated and the vibration phenomenon disappears when the pump is actually operated.
Description
Technical Field
The utility model relates to a pump especially relates to a low noise vacuum self priming pump.
Background
The vacuum self-priming pump integrating the water pump and the water ring vacuum pump has good self-priming performance and maintainability when in use, but has larger noise when in self-priming, the noise in use is caused by the fact that the vacuum impeller generates pressure in a low-pressure area during work, and the vacuum self-priming pump is basically used in a building, so that the noise has great influence on the environment, the personnel reflection is strong, and the phenomena of slight vibration and the like are also accompanied.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise vacuum self priming pump to there is the big problem of noise in the vacuum self priming pump among the solution prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a low noise vacuum self priming pump, its includes the vacuum pump body and the water pump body, the vacuum pump cover is installed to the tip of the vacuum pump body, the installation of the water pump body is fixed in the outside of vacuum pump cover, wherein, be provided with the pivot in the vacuum pump body, the vacuum pump impeller sets up in the pivot, the tip of pivot passes the vacuum pump cover and stretches into the water pump body sets up, water pump impeller install in the pivot stretches into the internal tip of water pump, set up the air inlet that is linked together vacuum pump internal cavity and water pump body inner chamber on the vacuum pump cover, the low-pressure region of impeller work in the vacuum pump body has the vacuum valve through the tube.
In particular, a mechanical seal is arranged between the vacuum pump body and the rotating shaft.
In particular, the vacuum pump impeller is eccentrically disposed on the shaft.
Particularly, an external assembly is arranged outside the vacuum pump body, a circle of boss extends to one side close to the water pump body on the external assembly, a connecting plate extends outwards from the vacuum pump body, and a spigot is formed in one side of the connecting plate and matched with the boss.
Particularly, the outer side of the vacuum pump cover is provided with a spigot, the inner wall corresponding to the water pump body is provided with a step surface, and the inner wall of the water pump body is tightly pressed on the outer walls of the vacuum pump cover, the connecting plate and the boss.
The beneficial effects of the utility model are that, compare with prior art low noise vacuum self priming pump supplements atmospheric pressure in the low-pressure area of vacuum pump impeller work, through the pipeline with a vacuum valve and vacuum low-pressure area intercommunication, according to the self-priming requirement of water pump set up the parameter of vacuum valve, the vacuum valve is opened when low-pressure area pressure is low with the setting value, supplements atmospheric pressure. The structure is simple, and the realization is easy; and the noise is basically eliminated and the vibration phenomenon disappears when the pump is actually operated.
Drawings
Fig. 1 is a schematic structural view of a low noise vacuum self-priming pump according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a low noise vacuum self-priming pump according to an embodiment of the present invention.
In this embodiment, a low noise vacuum self priming pump includes the vacuum pump body 1 and the water pump body 2, vacuum pump cover 3 is installed to the tip of the vacuum pump body 1, the outside of vacuum pump cover 3 is fixed in the installation of the water pump body 2, the external ligand 4 of device is equipped with outward to the vacuum pump body 1, it has round boss 5 to extend to one side that is close to the water pump body 2 on the external ligand 4, the vacuum pump body 1 has connecting plate 6 to extend to the outside, the tang has been seted up to one side cooperation boss 5 of connecting plate 6, the tang has been seted up in the outside of vacuum pump cover 3, the step face has been seted up on the inner wall corresponding to the water pump body 2, the inner wall of the water pump body 2 compresses.
Be provided with pivot 7 in the vacuum pump body 1, be provided with between the vacuum pump body 1 and the pivot 7 and seal 8, vacuum pump impeller 9 sets up on pivot 7, the tip of pivot 7 passes vacuum pump cover 3 and stretches into the setting of the water pump body 2, water pump impeller 10 installs the tip in the pivot 7 stretches into the water pump body 2, set up the air inlet 11 that is linked together vacuum pump body 1 inner chamber and water pump body 2 inner chamber on the vacuum pump cover 3, the low-pressure region 12 of impeller work in the vacuum pump body 1 is connected with vacuum valve 14 through pipeline 13.
The low-noise vacuum self-priming pump replenishes air pressure in a low-pressure area 12 where a vacuum pump impeller works, a vacuum valve 14 is communicated with the low-pressure area 12 through a pipeline 13, parameters of the vacuum valve 14 are set according to self-priming requirements of the water pump, and the vacuum valve 14 is opened to replenish air pressure when the pressure in the low-pressure area 12 is low and a set value is reached. The vacuum pressure in the low pressure region 12 is increased to reduce noise while ensuring self-suction performance.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (5)
1. The utility model provides a low noise vacuum self priming pump, its includes the vacuum pump body and the water pump body, the vacuum pump cover is installed to the tip of the vacuum pump body, the installation of the water pump body is fixed in the outside of vacuum pump cover, its characterized in that, be provided with the pivot in the vacuum pump body, the vacuum pump impeller sets up in the pivot, the tip of pivot passes the vacuum pump cover and stretches into the water pump body sets up, water pump impeller install in the pivot is stretched into the internal tip of water pump, the vacuum pump is covered and is offered the air inlet that is linked together vacuum pump internal cavity and water pump internal cavity, the low-pressure area of the internal impeller work of vacuum pump has the vacuum valve through.
2. The low noise vacuum self-primer pump of claim 1, wherein a mechanical seal is disposed between the vacuum pump body and the shaft.
3. The low noise vacuum self-primer pump of claim 2, wherein said vacuum pump impeller is eccentrically disposed on said shaft.
4. The low noise vacuum self-primer pump according to claim 3, wherein an outer assembly is provided outside the vacuum pump body, a circle of boss extends from one side of the outer assembly close to the water pump body, a connecting plate extends from the vacuum pump body to the outside, and a spigot is provided on one side of the connecting plate to match the boss.
5. The low noise vacuum self-primer pump of claim 4, wherein the outer side of the vacuum pump cover is provided with a spigot, the inner wall corresponding to the water pump body is provided with a step surface, and the inner wall of the water pump body is pressed against the outer walls of the vacuum pump cover, the connecting plate and the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921927045.8U CN210977891U (en) | 2019-11-08 | 2019-11-08 | Low-noise vacuum self-sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921927045.8U CN210977891U (en) | 2019-11-08 | 2019-11-08 | Low-noise vacuum self-sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210977891U true CN210977891U (en) | 2020-07-10 |
Family
ID=71444447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921927045.8U Active CN210977891U (en) | 2019-11-08 | 2019-11-08 | Low-noise vacuum self-sucking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210977891U (en) |
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2019
- 2019-11-08 CN CN201921927045.8U patent/CN210977891U/en active Active
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