CN208578741U - A kind of self priming pump - Google Patents
A kind of self priming pump Download PDFInfo
- Publication number
- CN208578741U CN208578741U CN201821241010.4U CN201821241010U CN208578741U CN 208578741 U CN208578741 U CN 208578741U CN 201821241010 U CN201821241010 U CN 201821241010U CN 208578741 U CN208578741 U CN 208578741U
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- CN
- China
- Prior art keywords
- self
- pump
- priming
- pump housing
- main shaft
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of self priming pumps, including fluid reservoir, magnetic-type return valve, water-in flange pipe, the pump housing, water-output flange pipe, air-water separation chamber, volute casing, impeller, mechanical seal and main shaft, it further include jetted self-priming device, jetted self-priming device includes aial flow impeller, jet stream axle sleeve, second level axis and jet stream shell, aial flow impeller and Jet Axis are set on second level axis, second level axis is connect with main shaft, and jet stream shell is connect with the pump housing；Clutch is set between second level axis and main shaft, flow velocity sensing device is set on clutch.Jetted self-priming device is provided in pump housing pump chamber, self-priming apparatus is provided with aial flow impeller, the line shaft of self-priming apparatus is connect with pump main shaft, power source is provided for aial flow impeller, internal structure is simplified, equally also reduces the contour structures of the pump housing, self priming pump can be allowed to complete self-priming in a short time, and the self-priming apparatus take up space it is small, it is easy to install, it is easy-maintaining.
Description
Technical field
The utility model belongs to field of fluid machinery, is related to a kind of self priming pump.
Background technique
Self priming pump category self priming centrifugal pump, it have it is compact-sized, easy to operate, run smoothly, safeguard easy, efficiency
Height, service life are long, and have the advantages that stronger suction capacity, do not have to pour water before self-priming pump startup, operate through the section time, by pumping itself
Effect, water can be drunk up, normal operation input, and the self-priming apparatus of self priming pump is highly important group in self priming pump
Part is to guarantee that self priming pump completes self-priming, makes the most key component of pump normal operation.Traditional self priming pump is due to self-absorbing structure
Presence, pump internal structure is complicated, causes entire pump body structure to become larger, mounting area becomes larger.It needs water-filling to start for the first time, grasps
Make complexity, be not easy to automate, radial load is high to the reliability requirement of bearing, and the flow that self-priming apparatus generates when starting
It is small, cause traditional self-priming efficiency of pump lower, ideal self-priming effect is not achieved.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of self priming pump.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of self priming pump, including fluid reservoir, magnetic-type return valve, water-in flange pipe, the pump housing, water-output flange pipe, gas-water separation
Room, volute casing, impeller, mechanical seal and main shaft；Magnetic-type return valve is arranged in pump housing side lower end；Magnetic-type return valve is set on the pump housing
This side upper end connect water-in flange pipe；Water-output flange pipe is connected at the top of the pump housing；Fluid reservoir is arranged in pump housing pump chamber bottom,
It is sequentially connected volute casing and air-water separation chamber at the top of fluid reservoir, fluid reservoir, volute casing and air-water separation chamber are connected to impeller outlet；Leaf
Wheel is connect with main shaft, and main shaft is mounted on pump housing back shroud by mechanical seal；Also set up in pump housing pump chamber for impeller into
Mouth provides the jetted self-priming device of high-velocity fluid；Jetted self-priming device one end is connect with main shaft, and the other end is connect with pump housing inner wall.
The utility model further improvement is that
Jetted self-priming device includes aial flow impeller, jet stream axle sleeve, second level axis and jet stream shell, aial flow impeller and jet stream
Axis is set on second level axis, and second level axis is connect with main shaft, and jet stream shell is connect with the pump housing.
The minimum area of passage of jetted self-priming device is 0.15 times of impeller inlet area of passage.
Clutch is set between second level axis and main shaft.
Flow velocity sensing device is set on clutch.
When corresponding lower than the design discharge of the 0.05 times of self priming pump flow velocity of flow rate of water flow at the flow velocity sensing device,
Clutch is started to work；The design discharge that flow rate of water flow at the flow velocity sensing device is higher than 0.05 times of self priming pump is corresponding
Flow velocity when, clutch stops working.
Compared with prior art, the utility model has the following beneficial effects:
Jetted self-priming device is arranged in the utility model in pump housing pump chamber, and jetted self-priming device is provided with aial flow impeller,
By the jet action of aial flow impeller, high-velocity fluid is provided to impeller inlet, and then self priming pump is allowed to be completed certainly in a short time
It inhales；The line shaft of self-priming apparatus is connect with pump main shaft, is provided power source for aial flow impeller, is simplified internal structure, equally
Reduce the contour structures of the pump housing, and the jetted self-priming device take up space it is small, it is easy to install, it is easy-maintaining.
Further, clutch is set between second level axis and main shaft, and when self priming pump works normally, clutch is in
Discrete state, main shaft will not provide power for second level axis；Extra energy loss is saved, has saved cost to a certain extent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 1- fluid reservoir；2- magnetic-type return valve；3- jetted self-priming device；4- water-in flange pipe；The 5- pump housing；6- water outlet
Flanged pipe；7- air-water separation chamber；8- volute casing；9- impeller；10- mechanical seal；11- clutch；12- main shaft；31- axial-flow type leaf
Wheel；32- jet stream axle sleeve；33- second level axis；34- jet stream shell；111- flow velocity sensing device.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1, the utility model self priming pump, including fluid reservoir 1, magnetic-type return valve 2, water-in flange pipe 4, the pump housing 5, go out
Water flanged pipe 6, air-water separation chamber 7, volute casing 8, impeller 9, mechanical seal 10 and main shaft 12；Magnetic-type return valve 2 is arranged in the pump housing 5 one
Side lower end, the upper end that this side of magnetic-type return valve 2 is arranged on the pump housing 5 connect water-in flange pipe 4；Water outlet is connected at the top of the pump housing 5
Flanged pipe 6；The setting of fluid reservoir 1 is sequentially connected volute casing 8 and air-water separation chamber 7, liquid storage at the top of 5 pump chamber bottom of the pump housing, fluid reservoir 1
Room 1, volute casing 8 and air-water separation chamber 7 with 9 outlet of impeller；Impeller 9 is connect with main shaft 12, and main shaft 12 passes through mechanical seal
10 are mounted on 5 back shroud of the pump housing；It is also set up in 5 pump chamber of the pump housing for providing the jetted self-priming of high-velocity fluid to 9 import of impeller
Device 3；3 one end of jetted self-priming device is connect with main shaft 12, and the other end is connect with 5 inner wall of the pump housing.Jetted self-priming device 3 includes axis
Flow impeller 31, jet stream axle sleeve 32, second level axis 33 and jet stream shell 34, aial flow impeller 31 and jet stream axle sleeve 32 are arranged in second level
On axis 33, second level axis 33 is connect with main shaft 12, and jet stream shell 34 is bolted with 5 inner wall of the pump housing.Second level axis 33 and main shaft 12 it
Between clutch 11 is set, flow velocity sensing device 111 is set on clutch 11.
Specific work process:
When self-priming pump startup, main shaft 12 drives second level axis 33 to drive aial flow impeller 31 to operate, and fills jetted self-priming
3 jet streams are set, when being full of fluid in impeller 9, when self priming pump nominal situation is run, clutch 11 stops working, and second level axis 33 stops
Only work.
Wherein, the minimum area of passage for guaranteeing jetted self-priming device 3 when design is the 0.15 of 9 import area of passage of impeller
Times；Flow rate of water flow at flow velocity sensing device 111 is corresponding specified lower than the design discharge of 0.05 times of metered flow self priming pump
When flow velocity, clutch 11 works, and the rotation of main shaft 12 drives second level axis 33 to rotate, the water flow stream at flow velocity sensing device 111
When speed is higher than 0.05 times of nominal flow rate, clutch 11 stops working.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (6)
1. a kind of self priming pump, which is characterized in that including fluid reservoir (1), magnetic-type return valve (2), water-in flange pipe (4), the pump housing
(5), water-output flange pipe (6), air-water separation chamber (7), volute casing (8), impeller (9), mechanical seal (10) and main shaft (12)；Magnetic-type returns
Valve (2) are flowed to be arranged in the pump housing (5) side lower end；The upper end that this side of magnetic-type return valve (2) is arranged on the pump housing (5) connects water inlet
Flanged pipe (4)；Water-output flange pipe (6) are connected at the top of the pump housing (5)；Fluid reservoir (1) is arranged in the pump housing (5) pump chamber bottom, fluid reservoir
(1) top is sequentially connected volute casing (8) and air-water separation chamber (7), and fluid reservoir (1), volute casing (8) and air-water separation chamber (7) are and leaf
Take turns (9) outlet；Impeller (9) is connect with main shaft (12), and main shaft (12) is mounted on the pump housing (5) rear cover by mechanical seal (10)
On plate；It is also set up in the pump housing (5) pump chamber for providing the jetted self-priming device (3) of high-velocity fluid to impeller (9) import；Jet stream is certainly
It inhales device (3) one end to connect with main shaft (12), the other end is connect with the pump housing (5) inner wall.
2. a kind of self priming pump according to claim 1, which is characterized in that the jetted self-priming device (3) includes axial-flow type
Impeller (31), jet stream axle sleeve (32), second level axis (33) and jet stream shell (34), aial flow impeller (31) and jet stream axle sleeve (32) are set
It sets on second level axis (33), second level axis (33) is connect with main shaft (12), and jet stream shell (34) is connect with the pump housing (5).
3. a kind of self priming pump according to claim 2, which is characterized in that the minimum overcurrent of the jetted self-priming device (3)
Area is 0.15 times of impeller (9) import area of passage.
4. a kind of self priming pump according to claim 2, which is characterized in that set between the second level axis (33) and main shaft (12)
Set clutch (11).
5. a kind of self priming pump according to claim 4, which is characterized in that flow velocity is arranged on the clutch (11) and incudes
Device (111).
6. a kind of self priming pump according to claim 5, which is characterized in that the water at the flow velocity sensing device (111)
When flowing design discharge corresponding flow velocity of the flow velocity lower than 0.05 times of self priming pump, clutch (11) is started to work；When the flow velocity
When flow rate of water flow at sensing device (111) is higher than the design discharge corresponding flow velocity of 0.05 times of self priming pump, clutch (11)
It stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241010.4U CN208578741U (en) | 2018-08-02 | 2018-08-02 | A kind of self priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241010.4U CN208578741U (en) | 2018-08-02 | 2018-08-02 | A kind of self priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208578741U true CN208578741U (en) | 2019-03-05 |
Family
ID=65511802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821241010.4U Expired - Fee Related CN208578741U (en) | 2018-08-02 | 2018-08-02 | A kind of self priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208578741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869316A (en) * | 2018-08-02 | 2018-11-23 | 榆林学院 | A kind of internal-mixing self priming pump with axial-flow type fluidic device |
-
2018
- 2018-08-02 CN CN201821241010.4U patent/CN208578741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869316A (en) * | 2018-08-02 | 2018-11-23 | 榆林学院 | A kind of internal-mixing self priming pump with axial-flow type fluidic device |
| CN108869316B (en) * | 2018-08-02 | 2023-09-22 | 榆林学院 | Internal mixing self-priming pump with axial-flow type jet device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 Termination date: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |