CN203230593U - Self-suction type centrifugal pump - Google Patents
Self-suction type centrifugal pump Download PDFInfo
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- CN203230593U CN203230593U CN 201320111790 CN201320111790U CN203230593U CN 203230593 U CN203230593 U CN 203230593U CN 201320111790 CN201320111790 CN 201320111790 CN 201320111790 U CN201320111790 U CN 201320111790U CN 203230593 U CN203230593 U CN 203230593U
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- water
- water tank
- volute
- centrifugal pump
- self priming
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Abstract
The utility model relates to a self-suction type centrifugal pump which comprises a pump body and a motor. An impeller is installed on a motor shaft of the motor, the pump body comprises a water inlet passage, a volute and a water tank, and the volute covers on the motor, and the impeller is arranged in the volute. The volute is arranged right under the water tank, and the outlet of the volute is connected with a water feeding port at the bottom of the water tank. The bottom end of the water inlet passage is connected with the inlet in the center of the volute, the outer wall of the upper end of the water inlet passage adheres to the outer wall of the water tank, water holes for communicating inner cavities of the water inlet passage and the water tank are formed in the outer walls of the upper end of the water inlet passage and the outer wall of the water tank, and a water inlet connector is arranged at the top end of the water inlet passage. The self-suction type centrifugal pump further comprises a tank cover covering on the top of the water tank, and a water feeding port and a water outlet pipe connector are arranged on the tank cover. A partition board parallel to a motor shaft is arranged at the top of the inner cavity of the water tank. The self-suction type centrifugal pump further comprises a rotary plate, the plate body at the upper end rotates with the central line of a connection part at the lower end as the axis, a water hole block is formed in the connection part through a supporting rod, and the water hole block covers on the water hole when the plate body of the rotating plate rotates to the position adhering to the partition board.
Description
Technical field
The utility model belongs to the pump technology field, relates in particular to a kind of self priming centrifugal pump.
Background technique
In present various types of water pump, centrifugal pump is comparatively common a kind of, and, advantages such as maintenance maintenance convenient, operation high-speed smooth simple and compact for structure with it have obtained application more and more widely.Centrifugal pump is generally by motor drives, and when impeller rotated at a high speed, impeller drove liquid and together rotates, because action of centrifugal force, liquid is thrown toward impeller outer edge from the impeller center, and kinetic energy also increases thereupon.After liquid entered pump case, because the runner in the scroll casing shape pump case enlarges gradually, flow rate of liquid reduced gradually, and a part of kinetic energy changes static energy into, so liquid flows out along exhaust port with higher pressure.Meanwhile, the impeller center forms certain vacuum owing to liquid is thrown out of, and the liquid of suction line enters in the pump under differential pressure action.Impeller does not stop rotation, and liquid also continuously is inhaled into and extrudes.Also there is certain deficiency in centrifugal pump, and that is exactly need add an amount of liquid that draws before startup in the pump housing, when suction line is longer, even need all be full of in the whole piece pipeline and draws liquid, and this has limited its use.In order to address the above problem, people are installed structures such as water tank additional on the basis of existing centrifugal pump, and centrifugal pump has been transformed into self-priming pump, do not need to be full of water and just can draw up water come in suction line.Self-priming pump from start to finish is operated in the self-priming state after starting always, and this causes the whole last water yield less.
The model utility content
The utility model provides a kind of self priming centrifugal pump that can be entered apocarpy by initial self-priming state automatically for solving the technical problem that exists in the known technology, makes centrifugal pump possess self-absorption function, promotes overall performance.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: self priming centrifugal pump comprises the pump housing and motor, on the motor shaft of described motor impeller is installed, the described pump housing comprises intake tunnel, volute and water tank, described volute is buckled on the described motor, and described impeller is positioned at described volute inside; Described volute be positioned at described water tank under, its outlet is joined with filling pipe end of being located at described water tank bottom; The bottom of described intake tunnel joins with the entrance that is positioned at described volute center, and the outer wall of described intake tunnel upper end and the outer wall of described water tank paste and be provided with the water hole with both inner chamber perforations mutually, and the top of described intake tunnel is provided with water supply connector; Also comprise and detain the case lid of being located at described tank top, described case lid is provided with filler and titting water outlet, and described titting water outlet is positioned at the top of described filling pipe end; Be provided with the dividing plate that direction is parallel to described motor motor shaft at the top of described water tank cavity; Also comprise flap, the plate body of its upper end is that axis rotates with the center line of the joint that is positioned at the lower end, also be provided with the water hole block by strut on described joint, described water hole block seals described water hole when the plate body of described flap turns to the position of pasting mutually with described dividing plate.
Advantage of the present utility model and good effect are: the utility model is by arranging structures such as water tank, dividing plate and flap, make self priming centrifugal pump start exhaust and the work conversion automatically between two states of drawing water, compact structure, easy to operate, operate steadily.After possessing self-absorption function, need not in suction line, to be full of as the centrifugal pump of main body and draw liquid and just can draw up water come.Finish after the step that starts exhaust, finally be stabilized in apocarpy, given full play to that the water yield on the centrifugal pump is big, the advantage of operation high-speed smooth.
Preferably: described water tank is the cuboid shape.
Preferably: described case lid is fixed on the described water tank by a plurality of screws of edge, is provided with sealing gasket between described case lid and water tank.
Preferably: in described water supply connector, also be provided with one-way valve, be equipped with for the fill hose joint that connects outside suction line at the other end of described one-way valve.
Preferably: described water supply connector, intake tunnel, volute and water tank are the integrally casting shaping structure.
Preferably: described intake tunnel and water tank have common sidewall in subsides place mutually, and described water hole is opened on this sidewall.
Preferably: the joint of described flap has the endoporus of lateral direction penetrating, side inwall at described water tank is provided with the contiguous block that has interior threaded hole, the corresponding position of opposite side inwall is provided with through hole, long spiro nail passes the endoporus of this through hole and described flap joint successively, and its front end is twisted and is located in the described tapped hole.
Preferably: described strut comprises vertical affixed montant with described joint and the vertical cross bar that is fixed in described montant end; Described water hole block is provided with level and smooth endoporus, and described cross bar is inserted in the described endoporus; On described cross bar, also be equipped with spring.
Preferably: the outer end at described water hole block also is provided with pad.
Preferably: be provided with the drain opening that is communicated to its inner chamber in the bottom of described volute.
Description of drawings
Fig. 1 is main TV structure schematic representation of the present utility model;
Fig. 2 is the left TV structure schematic representation of pump housing part of the present utility model;
Fig. 3 is the plan structure schematic representation of pump housing part of the present utility model;
Fig. 4 is the sectional view of pump housing part of the present utility model;
Fig. 5 is the amplification view of A part among Fig. 1.
Among the figure: 1, fill hose joint; 2, one-way valve; 3, case lid; 3-1, filler; 3-2, titting water outlet; 4, motor; 5, the pump housing; 5-1, water supply connector; 5-2, intake tunnel; 5-3, volute; 5-4, water tank; 5-5, drain opening; 5-6, dividing plate; 5-7, filling pipe end; 5-8, water hole; 5-9, flap; 5-10, strut; 5-11, water hole block; 5-12, pad; 6, long spiro nail.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now and be described in detail as follows:
See also Fig. 1, the utility model comprises the pump housing 5 and motor 4, on the motor shaft of motor 4 impeller is installed.
Fig. 2 and Fig. 3 have shown the concrete structure of the pump housing 5.The pump housing 5 comprises intake tunnel 5-2, volute 5-3 and water tank 5-4, and wherein volute 5-3 is buckled on the electric disc of motor 4, and impeller is positioned at volute 5-3 inside provides centrifugal force.For overall compactness and the robustness that promotes the pump housing 5, intake tunnel 5-2, volute 5-3 and water tank 5-4 are the integrally casting shaping structure.
Water tank 5-4 is the cuboid shape.Volute 5-3 be positioned at water tank 5-4 under, its outlet is joined with the filling pipe end 5-7 that is located at water tank 5-4 bottom.
The bottom of intake tunnel 5-2 joins with the entrance that is positioned at volute 5-3 center, the outer wall of intake tunnel 5-2 upper end and the outer wall of water tank 5-4 paste and are provided with the water hole 5-8 with both inner chamber perforations mutually, in order to promote compactedness and robustness, intake tunnel 5-2 and water tank 5-4 have common sidewall in subsides place mutually, and water hole 5-8 is opened on this sidewall.
Be provided with water supply connector 5-1 on the top of intake tunnel 5-2, on water supply connector 5-1, also be provided with one-way valve 2, be equipped with for the fill hose joint 1 that connects outside suction line at the other end of one-way valve 2.
Button is provided with case lid 3 at water tank 5-4 top, and this case lid 3 is fixed on the water tank 5-4 by a plurality of screws of edge, also is provided with sealing gasket between case lid 3 and water tank 5-4.Case lid 3 is provided with filler 3-1 and titting water outlet 3-2, and wherein filler 3-1 is used for adding water to water tank 5-4 and initially draws liquid, on the 3-1 of filler sealing cover should be set, so that for after the water tank 5-4 topped up with water filler 3-1 being sealed.Titting water outlet 3-2 is used for connecting the outside water lines of receiving, its position should be arranged on the top of filling pipe end 5-7, like this when water centrifugal sending from the outlet of volute 5-3, upwards pour among the water tank 5-4 through filling pipe end 5-7, can below titting water outlet 3-2, form the bigger water column of pressure, be conducive to the discharge of water.
Be provided with the dividing plate 5-6 that direction is parallel to the motor shaft of motor 4 at the top of water tank 5-4 inner chamber.Also comprise flap 5-9, the plate body of its upper end is that axis rotates with the center line of the joint that is positioned at the lower end, also be provided with water hole block 5-11 by strut 5-10 on joint, water hole block 5-11 seals water hole 5-8 when the plate body of flap 5-9 turns to the position of pasting mutually with dividing plate 5-6.
Concrete structure is: the joint of flap 5-9 has the endoporus of lateral direction penetrating, side inwall at water tank 5-4 is provided with the contiguous block that has interior threaded hole, the corresponding position of opposite side inwall is provided with through hole, long spiro nail 6 passes the endoporus of this through hole and flap 5-9 joint successively, and its front end is twisted and is located in the tapped hole.Flap 5-9 can rotate around these long spiro nail 6 freedom and flexibility like this, turns to the outside in the process that the outer wall with water tank 5-4 pastes mutually at flap 5-9, and water hole block 5-11 and water hole 5-8 are in disengaged position; Turn to the inboard when pasting mutually with dividing plate 5-6 at flap 5-9, water hole block 5-11 seals water hole 5-8.Strut 5-10 comprises vertical affixed montant with joint and the vertical cross bar that is fixed in this montant end.Water hole block 5-11 is provided with level and smooth endoporus, and the front end of cross bar namely is inserted in this endoporus.In order to make inwall that water hole block 5-11 is adjacent to water tank 5-4 in the horizontal so that water hole 5-8 is fully sealed, on cross bar, also be equipped with spring, this spring is between water hole block 5-11 and montant.Outer end at water hole block 5-11 also is provided with pad 5-12, more optimizes the sealing effect to water hole 5-8.
It should be noted that flap 5-9 (namely under the state that does not start) under nature should be able to automatically reset, i.e. rotation laterally is closely attached on the inwall of water tank 5-4.Can realize by following dual mode particularly: one, can make whole center of gravity be positioned at this side at the one-body molded protruding structure that processes in the outside of flap 5-9 (with respect to water tank 5-4 inwall one side); Two, can be at the outside of flap 5-9 weld counterweight piece.
In the practical application, this self priming centrifugal pump has situation idle or that use in the winter time, and the normal like this water of the pump housing 5 inside need the discharge is to avoid long-term corrosion or bursting by freezing.By the bottom at volute 5-3 the drain opening 5-5 that is communicated to its inner chamber is set and solves above-mentioned drainage problem.On the drain opening 5-5 end cap should be set, later drain opening 5-5 be sealed in draining.
The working procedure of this example:
In water tank 5-4, seal filler 3-1 after the topped up with water.Suction line is connected to fill hose joint 1, will receives water lines and be connected to titting water outlet 3-2.Under the initial situation, flap 5-9 turns to the outside to be adjacent to the inwall of water tank 5-4.Starting electrical machinery 4, impeller provides centrifugal force, and the water among the volute 5-3 is oppressed to be sent among the water tank 5-4, and its ingress forms vacuum.Water among the intake tunnel 5-2 enters volute 5-3, form vacuum above it, air in the suction line enters in the intake tunnel by one-way valve 2, together enter among the volute 5-3 and form air-water mixture with the liquid that draws that flows among the intake tunnel 5-2 through water hole 5-8 among the water tank 5-4, upwards enter water tank 5-4 gas-liquid separation again again, gas is drained by receiving water lines.Afterwards, self-priming pump is in the self-priming state always, draws liquid and does the circulation that is reentered water tank 5-4 by water tank 5-4 to intake tunnel 5-2 to volute 5-3 again, and in this process, the air in the suction line consumes gradually, and the water at place, water source enters suction line.
Afterwards, the water that comes at place, water source enters among the volute 5-3 in a large number, upwards poured among the water tank 5-4 by filling pipe end 5-7, because the water yield is big, hydraulic pressure is higher, the inwall of the oppressed disengaging water tank of flap 5-9 5-4, mobile to the inside this moment, water hole block 5-11 blocked water hole 5-8 until being closely attached on dividing plate 5-6, and the self-priming state finishes to enter apocarpy.
Claims (10)
1. self priming centrifugal pump, comprise the pump housing (5) and motor (4), on the motor shaft of described motor (4) impeller is installed, it is characterized in that: the described pump housing (5) comprises intake tunnel (5-2), volute (5-3) and water tank (5-4), described volute (5-3) is buckled on the described motor (4), and described impeller is positioned at described volute (5-3) inside; Described volute (5-3) be positioned at described water tank (5-4) under, its outlet is joined with filling pipe end (5-7) of being located at described water tank (5-4) bottom; The bottom of described intake tunnel (5-2) joins with the entrance that is positioned at described volute (5-3) center, the outer wall of described intake tunnel (5-2) upper end and the outer wall of described water tank (5-4) paste and are provided with the water hole (5-8) with both inner chamber perforations mutually, and the top of described intake tunnel (5-2) is provided with water supply connector (5-1); Also comprise and detain the case lid (3) of being located at described water tank (5-4) top, described case lid (3) is provided with filler (3-1) and titting water outlet (3-2), and described titting water outlet (3-2) is positioned at the top of described filling pipe end (5-7); Be provided with the dividing plate (5-6) that direction is parallel to described motor (4) motor shaft at the top of described water tank (5-4) inner chamber; Also comprise flap (5-9), the plate body of its upper end is that axis rotates with the center line of the joint that is positioned at the lower end, also be provided with water hole block (5-11) by strut (5-10) on described joint, described water hole block (5-11) seals described water hole (5-8) when the plate body of described flap (5-9) turns to the position of pasting mutually with described dividing plate (5-6).
2. according to the described self priming centrifugal pump of claim 1, it is characterized in that: described water tank (5-4) is the cuboid shape.
3. according to the described self priming centrifugal pump of claim 1, it is characterized in that: described case lid (3) is fixed on the described water tank (5-4) by a plurality of screws of edge, is provided with sealing gasket between described case lid (3) and water tank (5-4).
4. according to the described self priming centrifugal pump of claim 1, it is characterized in that: in described water supply connector (5-1), also be provided with one-way valve (2), be equipped with for the fill hose joint (1) that connects outside suction line at the other end of described one-way valve (2).
5. according to the described self priming centrifugal pump of claim 1, it is characterized in that: described water supply connector (5-1), intake tunnel (5-2), volute (5-3) and water tank (5-4) are the integrally casting shaping structure.
6. according to the described self priming centrifugal pump of claim 5, it is characterized in that: described intake tunnel (5-2) and water tank (5-4) have common sidewall in subsides place mutually, and described water hole (5-8) is opened on this sidewall.
7. according to the described self priming centrifugal pump of claim 1, it is characterized in that: the joint of described flap (5-9) has the endoporus of lateral direction penetrating, side inwall at described water tank (5-4) is provided with the contiguous block that has interior threaded hole, the corresponding position of opposite side inwall is provided with through hole, long spiro nail (6) passes the endoporus of this through hole and described flap (5-9) joint successively, and its front end is twisted and is located in the described tapped hole.
8. according to the described self priming centrifugal pump of claim 1, it is characterized in that: described strut (5-10) comprises vertical affixed montant with described joint and the vertical cross bar that is fixed in described montant end; Described water hole block (5-11) is provided with level and smooth endoporus, and described cross bar is inserted in the described endoporus; On described cross bar, also be equipped with spring.
9. according to the described self priming centrifugal pump of claim 8, it is characterized in that: also be provided with pad (5-12) in the outer end of described water hole block (5-11).
10. according to each described self priming centrifugal pump of claim 1 to 9, it is characterized in that: be provided with the drain opening (5-5) that is communicated to its inner chamber in the bottom of described volute (5-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111790 CN203230593U (en) | 2013-03-12 | 2013-03-12 | Self-suction type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111790 CN203230593U (en) | 2013-03-12 | 2013-03-12 | Self-suction type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230593U true CN203230593U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320111790 Expired - Fee Related CN203230593U (en) | 2013-03-12 | 2013-03-12 | Self-suction type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133353A (en) * | 2013-03-12 | 2013-06-05 | 孙九江 | Self-suction centrifugal pump |
-
2013
- 2013-03-12 CN CN 201320111790 patent/CN203230593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133353A (en) * | 2013-03-12 | 2013-06-05 | 孙九江 | Self-suction centrifugal pump |
| CN103133353B (en) * | 2013-03-12 | 2015-05-06 | 孙九江 | Self-suction centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20170312 |