CN209195728U - A kind of plain type fast self-priming pump - Google Patents
A kind of plain type fast self-priming pump Download PDFInfo
- Publication number
- CN209195728U CN209195728U CN201821730034.6U CN201821730034U CN209195728U CN 209195728 U CN209195728 U CN 209195728U CN 201821730034 U CN201821730034 U CN 201821730034U CN 209195728 U CN209195728 U CN 209195728U
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- cabinet
- pump
- pump shaft
- priming
- spiral case
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Abstract
The utility model provides a kind of plain type fast self-priming pump, it includes pump shaft, the first end of pump shaft connects motor, impeller is connected on the second end of pump shaft, impeller outer is set with spiral case, the pump case of connection motor is set on pump shaft, pump case has pump cover, pump case and spiral case are docked along the axial direction of pump shaft, first cabinet is installed outside pump shaft, water outlet is provided at the top of first cabinet, the lateral surface of first cabinet is provided with water inlet and drainage hole, the second cabinet is provided in first cabinet, suction chamber is formed in second cabinet, the end of spiral case is accessed in the second cabinet, space between the inner wall of first cabinet and the outer wall of the second cabinet is respectively formed gas-liquid separation chamber and fluid reservoir, gas-liquid separation chamber is located at the top of spiral case, fluid reservoir is located at the lower section of spiral case, diagonally disposed water fender is provided in gas-liquid separation room.The shortcomings that the utility model compared to the prior art can be efficiently against existing self priming pump self-priming performance poor reliability, high failure rate.
Description
Technical field
The utility model relates to a kind of self priming pumps, pump in particular to a kind of plain type fast self-priming.
Background technique
Usually horizontal self-sucking pump more prevailing on the market, has enough moisture storage capacitys when in order to guarantee termination of pumping in cabinet
Guarantee smoothly completing for restarting, it is common practice that in entrance dress non-return valve (flap valve) or electric air control valve, with this
Come the generation of siphonage when pump being blocked to shut down, prevent pump housing inner storing water from flowing backward to priming reservoir.But maximum existing for these measures
Disadvantage be exactly break down under some operating conditions for having a little impurity particle and be unable to complete required use function, therefore oneself
Sucking pump and the function of losing self-priming.
Utility model content
In consideration of it, the utility model provides a kind of plain type fast self-priming pump, it is intended to overcome self priming pump described above certainly
The shortcomings that absorption energy poor reliability, high failure rate.
For this purpose, the utility model provides a kind of plain type fast self-priming pump comprising the first end of pump shaft, pump shaft connects
Motor is connect, is connected with impeller on pump shaft on the second end of opposite first end, impeller outer is set with spiral case, is set on pump shaft
The pump case of motor is connected, there is pump cover, pump case and spiral case to dock along the axial direction of pump shaft, the first case is equipped with outside pump shaft for pump case
Body, is provided with water outlet at the top of the first cabinet, and the lateral surface of the first cabinet is provided with water inlet and drainage hole, in the first cabinet
Be provided with the second cabinet, form suction chamber in the second cabinet, the end of spiral case is accessed in the second cabinet, the inner wall of the first cabinet and
Space between the outer wall of second cabinet is respectively formed gas-liquid separation chamber and fluid reservoir, and gas-liquid separation chamber is located at the top of spiral case,
Fluid reservoir is located at the lower section of spiral case, is provided with diagonally disposed water fender in gas-liquid separation room.
Further, retaining ring is set on above-mentioned pump shaft.
Further, it is set with sealing ring on above-mentioned pump shaft, between impeller and pump cover.
Further, the cross section of above-mentioned second cabinet is in kidney ellipsoid, and the cambered surface of water fender and the second cabinet is tangent.
Further, above-mentioned motor and the first cabinet are all fixedly installed on pedestal.
A kind of plain type fast self-priming pump provided by the utility model, belongs to external-mix self-priming pump, exterior mixing self-priming
The S-type structure of total is pumped, the pump housing is integrally divided into two chambers, the internal cavity lower part formed for suction chamber, inside and outside body
For fluid reservoir, top is gas-liquid separation chamber, and fluid reservoir lower part (at the lower impeller outer rim of spiral case) is provided with an aperture and (claims reflux
Hole) and volute communicate, gas-liquid mixed is achieved the purpose that with this.The self-priming process of external-mix self-priming pump and the phase of internal-mixing self priming pump
Seemingly, it is to be back to fluid reservoir by the water in air-water separation chamber that institute's difference, which is external-mix self-priming pump, then through return port into
Entering impeller outer edge, then carries out mixing wastewater with air, impeller is constantly mixed with the liquid to come from return port reflux after electric motor starting,
It is rapidly performed by gas-liquid separation on water fender at the cut water of spiral case and in gas-liquid separation room, then forms the shape constantly recycled
State, until suction line and the indoor gas of sucking are drained, pump enters normal operating conditions；Thus, compared to the prior art
Can be efficiently against existing self priming pump self-priming performance poor reliability, high failure rate the shortcomings that.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is that a kind of plain type fast self-priming provided by the embodiment of the utility model pumps the structural representation under main view angle
Figure；
Fig. 2 is that a kind of plain type fast self-priming provided by the embodiment of the utility model pumps the structural representation under side view angle
Figure.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 2, a kind of plain type fast self-priming pump of the offer of the utility model embodiment one is shown in figure,
It includes pump shaft 1, and the first end of pump shaft 1 connects motor 11, is connected with leaf on the second end of opposite first end on pump shaft 1
Wheel 12, impeller 12 are set with spiral case 121 outside, and the pump case 13 of connection motor 11 is set on pump shaft 1, and pump case 13 has pump cover 131,
Pump case 13 and spiral case 121 are docked along the axial direction of pump shaft 1, and the first cabinet 2, the top setting of the first cabinet 2 are equipped with outside pump shaft 1
There is water outlet 21, the lateral surface 22 of the first cabinet 2 is provided with water inlet 23 and drainage hole 24, is provided with second in the first cabinet 2
Cabinet 25 forms suction chamber 251 in second cabinet 25, and the end of spiral case 121 is accessed in the second cabinet 25, the first cabinet 2 it is interior
Space between wall and the outer wall of the second cabinet 25 is respectively formed gas-liquid separation chamber 26 and fluid reservoir 261, gas-liquid separation chamber 26
In the top of spiral case 121, fluid reservoir 261 is located at the lower section of spiral case 121, is provided with diagonally disposed water blocking in gas-liquid separation chamber 26
The cross section of plate 27, the second cabinet 25 is in kidney ellipsoid, and water fender 27 can be specifically tangent with the cambered surface of the second cabinet 25.
A kind of plain type fast self-priming pump, belongs to external-mix self-priming pump, external-mix self-priming pump provided by the present embodiment
The S-type structure of total, the pump housing are integrally divided into two chambers, and internal for suction chamber, the cavity lower part that inside and outside body is formed is
Fluid reservoir, top are gas-liquid separation chamber, and fluid reservoir lower part (at the lower impeller outer rim of spiral case) is provided with an aperture (claiming return port)
It is communicated with volute, gas-liquid mixed is achieved the purpose that with this.The self-priming process of external-mix self-priming pump and internal-mixing self priming pump it is similar,
Institute's difference is that external-mix self-priming pump is to be back to fluid reservoir by the water in air-water separation chamber, then enters leaf through return port
Outer rim is taken turns, then carries out mixing wastewater with air, impeller is constantly mixed with the liquid to come from return port reflux after electric motor starting, in spiral case
Cut water at and gas-liquid separation room in water fender on be rapidly performed by gas-liquid separation, then form the state constantly recycled,
Until suction line and the indoor gas of sucking are drained, pump enters normal operating conditions；It thus, compared to the prior art can be with
The shortcomings that efficiently against existing self priming pump self-priming performance poor reliability, high failure rate.
Wherein, the water fender in gas-liquid separation room is also the one very big of a quick shortening self-priming time of the invention
It improves, through practice discovery, self-priming time can shorten the 1/4 of the nearly accounting entire self-priming process used time after plus the water fender,
Suction capacity does not change substantially.
Embodiment two:
Referring to Fig. 1 to Fig. 2, a kind of plain type fast self-priming pump of the offer of the utility model embodiment two is shown in figure,
The present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: covered on pump shaft 1
Equipped with retaining ring 14, water blocking effect can be formed.
Embodiment three:
Referring to Fig. 1 to Fig. 2, a kind of plain type fast self-priming pump of the offer of the utility model embodiment three is shown in figure,
The present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: covered on pump shaft 1
Sealing performance can be improved between impeller 12 and pump cover 131 equipped with sealing ring 15.
Example IV:
Referring to Fig. 1 to Fig. 2, a kind of plain type fast self-priming pump of the offer of the utility model embodiment four is shown in figure,
The present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: motor 11 and
One cabinet 2 is all fixedly installed on pedestal 3, and the stability of installation can be improved.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (5)
1. a kind of plain type fast self-priming pump, which is characterized in that including pump shaft (1), the first end of the pump shaft (1) connects electricity
Machine (11) is connected with impeller (12) on the pump shaft (1) on the second end of the relatively described first end, and the impeller (12) is outside
It is set with spiral case (121), the pump case (13) for connecting the motor (11), pump case (13) tool is set on the pump shaft (1)
Have pump cover (131), the pump case (13) and the spiral case (121) are docked along the axial direction of the pump shaft (1), the pump shaft (1)
It is equipped with the first cabinet (2), is provided with water outlet (21) at the top of first cabinet (2) outside, outside first cabinet (2)
Side (22) is provided with water inlet (23) and drainage hole (24), is provided with the second cabinet (25) in first cabinet (2), described
Suction chamber (251) are formed in second cabinet (25), the end of the spiral case (121) is accessed in second cabinet (25), described
Space between the inner wall of first cabinet (2) and the outer wall of second cabinet (25) is respectively formed gas-liquid separation chamber (26) and storage
Liquid chamber (261), the gas-liquid separation chamber (26) are located at the top of the spiral case (121), and the fluid reservoir (261) is located at the snail
The lower section of shell (121), the gas-liquid separation chamber (26) is interior to be provided with diagonally disposed water fender (27).
2. a kind of plain type fast self-priming pump according to claim 1, which is characterized in that be set on the pump shaft (1)
Retaining ring (14).
3. a kind of plain type fast self-priming pump according to claim 1, which is characterized in that be set on the pump shaft (1)
Sealing ring (15), between the impeller (12) and the pump cover (131).
4. a kind of plain type fast self-priming pump according to claim 1, which is characterized in that the cross of second cabinet (25)
Section is in kidney ellipsoid, and the cambered surface of the water fender (27) and second cabinet (25) is tangent.
5. a kind of plain type fast self-priming pump according to claim 1, which is characterized in that the motor (11) and described the
One cabinet (2) is all fixedly installed on pedestal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730034.6U CN209195728U (en) | 2018-10-24 | 2018-10-24 | A kind of plain type fast self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730034.6U CN209195728U (en) | 2018-10-24 | 2018-10-24 | A kind of plain type fast self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195728U true CN209195728U (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821730034.6U Active CN209195728U (en) | 2018-10-24 | 2018-10-24 | A kind of plain type fast self-priming pump |
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| CN (1) | CN209195728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648195A (en) * | 2020-12-30 | 2021-04-13 | 浙江豪贝泵业股份有限公司 | Self-priming centrifugal pump |
-
2018
- 2018-10-24 CN CN201821730034.6U patent/CN209195728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648195A (en) * | 2020-12-30 | 2021-04-13 | 浙江豪贝泵业股份有限公司 | Self-priming centrifugal pump |
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