CN204239272U - The mixing self-priming pump of cylinder - Google Patents
The mixing self-priming pump of cylinder Download PDFInfo
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- CN204239272U CN204239272U CN201420467489.9U CN201420467489U CN204239272U CN 204239272 U CN204239272 U CN 204239272U CN 201420467489 U CN201420467489 U CN 201420467489U CN 204239272 U CN204239272 U CN 204239272U
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- pump
- impeller
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- pump housing
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Abstract
The utility model provides the mixing self-priming pump of a kind of cylinder, belongs to pump technology field.It solve existing self-priming pump easily to produce cavitation erosion, discharge the problem that in the pump housing, air velocity is slow.This mixing self-priming pump, comprise the pump housing that inside has pump chamber, be located at the impeller in the pump housing and be located at the motor rotated for drives impeller at pump housing rear portion, the front portion of the pump housing has horizontal import, the top of the pump housing has the longitudinal direction be communicated with pump chamber and exports, the circumference outlet of impeller is communicated with pump chamber, the ejectisome that its inside has cavity is provided with in pump chamber, ejectisome has and the import one of horizontal inlet communication and the outlet one that is communicated with the axial inlet of impeller, vertically diffusing tube is provided with in cavity, the bottom of diffusing tube has the import two be communicated with pump chamber, top has the outlet two be positioned at above import one and outlet one, import two place is provided with the ball sealer for blocking import two.The utility model can discharge the air in the pump housing in time, has reasonable in design, pump efficiency advantages of higher.
Description
Technical field
The utility model belongs to pump technology field, relates to a kind of self-priming pump, particularly the mixing self-priming pump of a kind of cylinder.
Background technique
Self-priming pump comprises the parts such as the pump housing, motor and impeller, is provided with transfer passage, after water pump is out of service in the pump housing, the liquid of a constant volume is stored in transfer passage, when starting mode of pump, the liquid in transfer passage, under the effect of impeller, clips air and is upwards dished out.Self-priming pump is divided into external-mix self-priming pump and internal-mixing self-priming pump, external-mix self-priming pump adds a liquid container at a centrifugal pump intake, this pump is in self-priming process, the air sucked is wanted and the liquid of conveying mixes, impeller through pump transfers out, can produce cavitation erosion in self-priming process, comparatively large to the impeller infringement of pump, each pump that rises all can damage pump to some extent; Internal-mixing self-priming pump, there is return port in pump chamber Nei You gas-liquid separation chamber, due to the impact of return port, the efficiency generally 8%-10% lower than general centrifugal pump of pump.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes that a kind of pump efficiency is high, the mixing self-priming pump of the cylinder of reasonable in design.
The purpose of this utility model realizes by following technical proposal:
This mixing self-priming pump, comprise the pump housing that inside has pump chamber, be located at the impeller in the pump housing and be located at the motor rotated for drives impeller at pump housing rear portion, the front portion of the described pump housing has horizontal import, the top of the described pump housing has the longitudinal direction be communicated with pump chamber and exports, the circumference outlet of described impeller is communicated with pump chamber, it is characterized in that, the ejectisome that its inside has cavity is provided with in described pump chamber, described ejectisome has and the import one of horizontal inlet communication and the outlet one that is communicated with the axial inlet of impeller, tubular diffusing tube is vertically provided with in described cavity, the bottom of described diffusing tube has the import two be communicated with above-mentioned pump chamber, its top has the outlet two be positioned at above import one and outlet one, described import two place is provided with the ball sealer for blocking import two.
The horizontal import of self-priming pump is connected with conveyance conduit, the air of certain volume is there is in conveyance conduit, motor rotation impeller is rotated, negative pressure state is formed in cavity, the air being positioned at conveyance conduit enters into cavity through horizontal import, import one, the water being simultaneously positioned at pump chamber enters to cavity through import two, outlet two, after mixing with air, through exporting one, the axial inlet of impeller enters to impeller two, finally enter in pump chamber, air is from longitudinally exporting discharge, and water falls into and continue next circulation to pump chamber.After the air in conveyance conduit, cavity and pump chamber is discharged completely, because the effect ball sealer of pressure blocks import two, water in conveyance conduit enters in impeller through horizontal import, import one, cavity, outlet one and axial inlet, impeller tell turning effort under pressurize, being exported by the circumference of impeller throws away in pump chamber, water now in pump chamber is in high pressure conditions, by longitudinally exporting ejection.
In the mixing self-priming pump of above-mentioned cylinder, the bottom of described diffusing tube is provided with in trumpet-shaped injection pipe, the osculum of described injection pipe is communicated with described import two, the large mouth of described injection pipe is communicated with described pump chamber, and above-mentioned ball sealer is positioned at the below of this injection pipe and the diameter of ball sealer is greater than the diameter of described injection pipe osculum.The diameter of ball sealer is between large mouth diameter and osculum diameter, and after the air in self-priming pump is discharged, due to the existence of pressure difference, ball sealer blocks injection pipe under the effect of suction.
In the mixing self-priming pump of above-mentioned cylinder, the distance of bottom to the pump housing of described ejectisome is less than the diameter of ball sealer, and the bottom of the described pump housing has the groove for placing ball sealer, and the degree of depth of described groove is slightly larger than the radius of described ball sealer.
The distance of bottom to the pump housing due to ejectisome is less than the diameter of ball sealer, and ball sealer is stuck in groove, can not come off, and ensures that in self-priming pump, air effectively can block injection pipe after discharging.
In the mixing self-priming pump of above-mentioned cylinder, the bottom of the described pump housing has valve opening, and described valve opening place is fixed with valve seat by bolt, and above-mentioned groove is located on this valve seat.This valve opening and valve seat are set, conveniently ball sealer are installed, during installation, ball sealer is put in the groove of valve seat, be upwards pushed in valve opening, be bolted.
In the mixing self-priming pump of above-mentioned cylinder, the madial wall of described ejectisome is provided with annular mounting groove, and the outer side wall of described diffusing tube is provided with installing ring, and described installing ring is installed in described annular mounting groove.The annular groove at this place and installing ring are mainly used in fixing diffusing tube, ensure the stability of diffusing tube.
In the mixing self-priming pump of above-mentioned cylinder, diffuser is provided with between described impeller and ejectisome, described diffuser has the runner one being communicated with ejectisome outlet one and impeller axial inlet, described diffuser also has the runner two being communicated with the outlet of impeller circumference and pump chamber, described diffuser docks with the outlet one of above-mentioned ejectisome, and joint is provided with seal ring.Under the effect of this diffuser and the pump housing, ejectisome is effectively supported: the import one of ejectisome is docked with the horizontal import of the pump housing, increases seal ring between, and the pump housing supports import one.The import one of ejectisome is connected respectively on the pump housing and diffuser with outlet one, and structure stability is good.
In the mixing self-priming pump of above-mentioned cylinder, described impeller is low specific speed impeller, and described impeller is provided with twisted blade.
In the mixing self-priming pump of above-mentioned cylinder, connected body is provided with between the described pump housing and motor, bearing is provided with between described connected body and the rotating shaft of motor, the bottom of described connected body is provided with fitting seat one, the bottom of described motor is provided with fitting seat two, and described fitting seat one is oppositely arranged with fitting seat two.
In the mixing self-priming pump of above-mentioned cylinder, between described connected body and motor, be provided with water retaining ring.Manger board prevents the water in the pump housing from entering in motor, plays a protective role to motor.
In the mixing self-priming pump of above-mentioned cylinder, between the rotating shaft of described motor and impeller, be provided with mechanical seal.
Compared with prior art, this mixing self-priming pump has the following advantages:
Ejectisome, diffusing tube and injection pipe are set in the pump housing, the air in the pump housing can be drained completely, ensure the stability of pump working, do not produce cavitation erosion; At injection pipe, place arranges ball sealer, can block injection pipe in time, ensures the pressure in the pump housing, makes self-priming pump eject water to specified altitude assignment, reliable and stable; Impeller is low specific speed impeller, and it arranges twisted blade, makes good stability during pump working.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of preferred embodiment that the utility model provides.
Fig. 2 is another sectional view of a kind of preferred embodiment that the utility model provides.
In figure, 1, the pump housing; 11, pump chamber; 12, horizontal import; 13, longitudinally outlet; 2, impeller; 21, circumference outlet; 22, axial inlet; 3, motor; 31, fitting seat two; 4, ejectisome; 41, cavity; 42, import one; 43, one is exported; 44, annular mounting groove; 5, diffusing tube; 51, import two; 52, two are exported; 53, installing ring; 6, ball sealer; 61, groove; 62, valve seat; 7, injection pipe; 8, diffuser; 9, connected body; 91, fitting seat one; 10, water retaining ring.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
The mixing self-priming pump of cylinder as shown in Figure 1, comprise inside have pump chamber 11 the pump housing 1, be located at the impeller 2 in the pump housing 1 and be located at the motor 3 rotated for drives impeller 2 at the pump housing 1 rear portion, the rotating shaft of this motor 3 stretches in the pump housing 1, impeller 2 is set in the rotating shaft of this motor 3, is provided with mechanical seal between the rotating shaft of motor 3 and impeller 2.As shown in Figure 1, connected body 9 is provided with between the pump housing 1 and motor 3, bearing is provided with between the rotating shaft of connected body 9 and motor 3, water retaining ring 10 is provided with between connecting body and motor 3, the bottom of connected body 9 is provided with fitting seat 1, the bottom of motor 3 is provided with fitting seat 2 31, and fitting seat 1 and fitting seat 2 31 are oppositely arranged.
As shown in Figure 1, the front portion of the pump housing 1 has horizontal import 12, and the top of the pump housing 1 has the longitudinal direction be communicated with pump chamber 11 and exports 13, and the circumference outlet 21 of impeller 2 is communicated with pump chamber 11.As depicted in figs. 1 and 2, the ejectisome 4 that its inside has cavity 41 is provided with in pump chamber 11, ejectisome 4 have the import 1 be communicated with horizontal import 12 and the outlet 1 be communicated with the axial inlet 22 of impeller 2, tubular diffusing tube 5 is vertically provided with in cavity 41, the bottom of diffusing tube 5 has the import 2 51 be communicated with pump chamber 11, its top has the outlet 2 52 be positioned at above import 1 and outlet 1, and import 2 51 place is provided with the ball sealer 6 for blocking import 2 51.
The horizontal import 12 of self-priming pump is connected with conveyance conduit, the air of certain volume is there is in conveyance conduit, motor 3 impeller 2 that operates is rotated, negative pressure state is formed in cavity 41, be positioned at the air of conveyance conduit through horizontal import 12, import 1 enters in cavity 41, be positioned at the water of pump chamber 11 through import 2 51 simultaneously, exporting 2 52 enters in cavity 41, after mixing with air, through exporting 1, the axial inlet 22 of impeller 2 enters to impeller 2 two, finally enter in pump chamber 11, air is from longitudinally outlet 13 discharge, water falls into and continue next circulation to pump chamber 11.After the air in conveyance conduit, cavity 41 and pump chamber 11 is discharged completely, because the effect ball sealer 6 of pressure blocks import 2 51, water in conveyance conduit enters in impeller 2 through horizontal import 12, import 1, cavity 41, outlet 1 and axial inlet 22, impeller 2 tell turning effort under pressurize, exporting 21 by the circumference of impeller 2 throws away in pump chamber 11, water now in pump chamber 11 is in high pressure conditions, by longitudinally exporting 13 ejections.
As depicted in figs. 1 and 2, be provided with in the bottom of diffusing tube 5 in trumpet-shaped injection pipe 7, the osculum of injection pipe 7 is communicated with import 2 51, and the large mouth of injection pipe 7 is communicated with pump chamber 11, and ball sealer 6 is positioned at the below of this injection pipe 7 and the diameter of ball sealer 6 is greater than the diameter of described injection pipe 7 osculum.The diameter of ball sealer 6 is between large mouth diameter and osculum diameter, and after the air in self-priming pump is discharged, due to the existence of pressure difference, ball sealer 6 blocks injection pipe 7 under the effect of suction.
In the present embodiment, the distance of bottom to the pump housing 1 of ejectisome 4 is less than the diameter of ball sealer 6, and the bottom of the pump housing 1 has the groove 61 for placing ball sealer 6, and the degree of depth of groove 61 is slightly larger than the radius of ball sealer 6.The distance of bottom to the pump housing 1 due to ejectisome 4 is less than the diameter of ball sealer 6, and ball sealer 6 is stuck in groove 61, can not come off, and ensures that in self-priming pump, air can effectively block injection pipe 7 after discharging.
As depicted in figs. 1 and 2, the bottom of the pump housing 1 has valve opening, and valve opening place is fixed with valve seat 62 by bolt, and groove 61 is located on this valve seat 62.This valve opening and valve seat 62 are set, conveniently ball sealer 6 are installed, during installation, ball sealer 6 is put in the groove 61 of valve seat 62, be upwards pushed in valve opening, be bolted.
As depicted in figs. 1 and 2, the madial wall of ejectisome 4 is provided with annular mounting groove 44, and the outer side wall of diffusing tube 5 is provided with installing ring 53, and installing ring 53 is installed in annular mounting groove 44.The annular groove 61 at this place and installing ring 53 are mainly used in fixing diffusing tube 5, ensure the stability of diffusing tube 5.
As shown in Figure 1, diffuser 8 is provided with between impeller 2 and ejectisome 4, diffuser 8 has and is communicated with the runner one that ejectisome 4 exports one 43 and impeller 2 axial inlet 22, diffuser 8 also has the runner two being communicated with impeller 2 circumference outlet 21 and pump chamber 11, diffuser 8 docks with the outlet 1 of above-mentioned ejectisome 4, and joint is provided with seal ring.At this diffuser 8 with under the effect of the pump housing 1, effectively support ejectisome 4: the import 1 of ejectisome 4 is docked with the horizontal import 12 of the pump housing 1, increases seal ring between, the pump housing 1 pair of import 1 supports.The import 1 of ejectisome 4 is connected respectively on the pump housing 1 and diffuser 8 with outlet 1, and structure stability is good.
Impeller 2 in the present embodiment is low specific speed impeller 2, and impeller 2 is provided with twisted blade.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. the mixing self-priming pump of cylinder, comprise the pump housing (1) that inside has pump chamber (11), be located at the impeller (2) in the pump housing (1) and be located at the motor (3) rotated for drives impeller (2) at the pump housing (1) rear portion, the front portion of the described pump housing (1) has horizontal import (12), the top of the described pump housing (1) has the longitudinal direction be communicated with pump chamber (11) and exports (13), circumference outlet (21) of described impeller (2) is communicated with pump chamber (11), it is characterized in that, the ejectisome (4) that its inside has cavity (41) is provided with in described pump chamber (11), the outlet one (43) described ejectisome (4) having the import one (42) be communicated with horizontal import (12) and be communicated with the axial inlet (22) of impeller (2), tubular diffusing tube (5) is vertically provided with in described cavity (41), the bottom of described diffusing tube (5) has the import two (51) be communicated with above-mentioned pump chamber (11), its top has the outlet two (52) being positioned at import one (42) and outlet one (43) top, described import two (51) place is provided with the ball sealer (6) for blocking import two (51).
2. the mixing self-priming pump of cylinder according to claim 1, it is characterized in that, the bottom of described diffusing tube (5) is provided with in trumpet-shaped injection pipe (7), the osculum of described injection pipe (7) is communicated with described import two (51), the large mouth of described injection pipe (7) is communicated with described pump chamber (11), and above-mentioned ball sealer (6) is positioned at the below of this injection pipe (7) and the diameter of ball sealer (6) is greater than the diameter of described injection pipe (7) osculum.
3. the mixing self-priming pump of cylinder according to claim 2, it is characterized in that, the distance of bottom to the pump housing (1) bottom of described ejectisome (4) is less than the diameter of ball sealer (6), the bottom of the described pump housing (1) has the groove (61) for placing ball sealer (6), and the degree of depth of described groove (61) is slightly larger than the radius of described ball sealer (6).
4. the mixing self-priming pump of cylinder according to claim 3, is characterized in that, the bottom of the described pump housing (1) has valve opening, and described valve opening place is fixed with valve seat (62) by bolt, and above-mentioned groove (61) is located on this valve seat (62).
5. the mixing self-priming pump of cylinder according to claim 1 or 2 or 3 or 4, it is characterized in that, the madial wall of described ejectisome (4) is provided with annular mounting groove (44), the outer side wall of described diffusing tube (5) is provided with installing ring (53), and described installing ring (53) is installed in described annular mounting groove (44).
6. the mixing self-priming pump of cylinder according to claim 1, it is characterized in that, diffuser (8) is provided with between described impeller (2) and ejectisome (4), described diffuser (8) has the runner one of connection ejectisome (4) outlet one (43) and impeller (2) axial inlet (22), described diffuser (8) also has the runner two of connection impeller (2) circumference outlet (21) and pump chamber (11), described diffuser (8) docks with the outlet one (43) of above-mentioned ejectisome (4), and joint is provided with seal ring.
7. the mixing self-priming pump of cylinder according to claim 1, is characterized in that, described impeller (2) is low specific speed impeller (2), and described impeller (2) is provided with twisted blade.
8. the mixing self-priming pump of cylinder according to claim 1, it is characterized in that, connected body (9) is provided with between the described pump housing (1) and motor (3), bearing is provided with between described connected body (9) and the rotating shaft of motor (3), the bottom of described connected body (9) is provided with fitting seat one (91), the bottom of described motor (3) is provided with fitting seat two (31), and described fitting seat one (91) is oppositely arranged with fitting seat two (31).
9. the mixing self-priming pump of cylinder according to claim 8, is characterized in that, is provided with water retaining ring (10) between described connected body (9) and motor (3).
10. the mixing self-priming pump of cylinder according to claim 1, is characterized in that, is provided with mechanical seal between the rotating shaft of described motor (3) and impeller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467489.9U CN204239272U (en) | 2014-08-19 | 2014-08-19 | The mixing self-priming pump of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467489.9U CN204239272U (en) | 2014-08-19 | 2014-08-19 | The mixing self-priming pump of cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239272U true CN204239272U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420467489.9U Expired - Fee Related CN204239272U (en) | 2014-08-19 | 2014-08-19 | The mixing self-priming pump of cylinder |
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| CN (1) | CN204239272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153997A (en) * | 2014-08-19 | 2014-11-19 | 台州谊聚机电有限公司 | Cylinder mixing type self-priming pump |
-
2014
- 2014-08-19 CN CN201420467489.9U patent/CN204239272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153997A (en) * | 2014-08-19 | 2014-11-19 | 台州谊聚机电有限公司 | Cylinder mixing type self-priming 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 |
Granted publication date: 20150401 Termination date: 20150819 |
|
| EXPY | Termination of patent right or utility model |