CN107740782A - A kind of efficient jet pump - Google Patents
A kind of efficient jet pump Download PDFInfo
- Publication number
- CN107740782A CN107740782A CN201711129046.3A CN201711129046A CN107740782A CN 107740782 A CN107740782 A CN 107740782A CN 201711129046 A CN201711129046 A CN 201711129046A CN 107740782 A CN107740782 A CN 107740782A
- Authority
- CN
- China
- Prior art keywords
- injection channel
- jet pump
- intake tunnel
- delivery port
- cavity
- 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.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a kind of efficient jet pump, belong to water pump technology.It solves the problems, such as that the operating efficiency of existing jet pump is relatively low.A kind of this efficient jet pump, including the pump housing, motor, rotating shaft and impeller, flow body is provided with the pump housing, flow body includes water inlet and delivery port, the pump housing includes water chamber, booster cavity, the pump housing is provided with water side, flow body includes the body with cavity, the injection channel of tubular is provided with the cavity of body, the cavity of body is separated into intake tunnel and exhalant canal by injection channel, the both ends of injection channel are connected with intake tunnel and exhalant canal respectively, the outer end of intake tunnel is water inlet, the outer end of exhalant canal is above-mentioned delivery port, body is provided with the return port being connected with water chamber, return port is located at injection channel close to one end of intake tunnel.A kind of this efficiently jet pump has the advantages of operating efficiency is higher.
Description
Technical field
The invention belongs to water pump technology, is related to a kind of jet pump, particularly a kind of efficient jet pump.
Background technology
Jet pump is a kind of jet-action using high-voltage high-speed working fluid come the pump of trandfer fluid, backflow in the pump housing
Liquid, high velocity stream is formed by the nozzle of runner body, low-pressure area is formed around high velocity stream, makes the liquid or gas-liquid mixed of water inlet
Thing can be continuously inhaled into.The low-speed flow of high velocity stream and water inlet mixes in throat section, improves into impeller
Water velocity so that jet pump has higher lift.The white suction function of jet pump and it is high-lift the characteristics of to be it blue or green by market
The main reason for looking at.Hua Yuanbeng is one kind of jet pump.
The runner body structure (application number of a kind of Hua Yuanbeng as disclosed in Chinese patent literature：201610867163.9), flower
Garden pump includes the pump housing that there is pump chamber inside, has in pump chamber and fastens the supercharging connected with pump chamber formed by mounting seat and stator
Chamber, interior be provided with of booster cavity are located in mounting seat by motor-driven impeller, the rotating shaft of motor, and intake tunnel is additionally provided with the pump housing
The exhalant canal connected with pump chamber, runner body structure include the body in the pump chamber, offers in body and enters with impeller
The runner one of mouth connection and the runner two connected with intake tunnel, runner one is parallel with runner two and runner one passes through with runner two
Runner tee joint, return port that is coaxial with runner one and connecting is additionally provided with body, return port is located at runner one away from impeller
One end, valve member is provided with return port.But the flow channel length of the runner body is the length of runner body, therefore its flow channel length is not
Enough ideals, make the operating efficiency of jet pump relatively low.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of injection channel is longer and makes work
Make the higher efficient jet pump of efficiency.
The purpose of the present invention can be realized by following technical proposal：A kind of efficient jet pump, including the pump housing, motor, turn
Axle and impeller, the described pump housing is interior to be provided with flow body, and described flow body includes water inlet and delivery port, the described pump housing
Including water chamber and for placing the booster cavity of impeller, described booster cavity respectively with the delivery port of described flow body and
Described water chamber is connected, and the described pump housing is provided with the water side being connected with described water chamber, it is characterised in that institute
The flow body stated includes the body with cavity, and the injection channel of tubular is provided with the cavity of body, described injection channel
Respectively close to the both ends of the cavity of described body, the cavity of described body is separated into water by described injection channel at both ends
Passage and exhalant canal, the both ends of described injection channel are connected with described intake tunnel and exhalant canal respectively,
The outer end of described intake tunnel is water inlet, and the outer end of described exhalant canal is above-mentioned delivery port, on described body
Provided with the return port being connected with water chamber, described return port is located at described injection channel close to described intake tunnel
One end.
At work, motor driven wheel rotation, intake tunnel of the water of water inlet through flow body is sucked, and passed through
Injection channel and exhalant canal are entered in booster cavity, then are drained into from booster cavity in water chamber, the water in the water chamber of part
Vapour mixing sees that hole enters in injection channel and improves the pressure in injection channel through backflow, so as to reach the work for improving jet pump
Make efficiency.The cavity of body is separated into intake tunnel and exhalant canal, the runner of relatively common runner body by injection channel
Length is the length of injection channel, i.e., the flow channel length of common runner body is equal to or less than the length of body, this efficiently spray
Penetrating the runner of the runner body of pump includes intake tunnel, injection channel and exhalant canal, and the flow channel length is more than the length of body,
At work, the buffering to current is added, reduces pressure loss, improves the operating efficiency of jet pump.
In a kind of above-mentioned efficiently jet pump, the end of described water inlet is located at described in injection channel connection
The outside of one end of exhalant canal, described delivery port is positioned at one end of the described intake tunnel of described injection channel connection
Outside.Using above-mentioned setting, the length of intake tunnel and exhalant canal is improved, improves the operating efficiency of jet pump.
In a kind of above-mentioned efficiently jet pump, described injection channel is to be opened toward outside close to one end of exhalant canal
Horn mouth.
In a kind of above-mentioned efficiently jet pump, described injection channel close to the end of one end of intake tunnel outward
Rollover folding forms enlarging.Using above-mentioned enlarging, the current being easy in intake tunnel are more smoothly entered in injection channel, drop
The low pressure loss, improves ejection efficiency.
In a kind of above-mentioned efficiently jet pump, the inner side of the described body of described return port protrusion and described backflow
Hole is coaxially disposed with described injection channel.
In a kind of above-mentioned efficiently jet pump, the axis of described water inlet is vertical with the axis of described injection channel
Set, the axis of the axis of described delivery port and described injection channel is vertically arranged.Using above-mentioned setting, make the knot of body
Structure is more compact, effectively reduces the volume of body, reduces the mounting distance of body, saves installing space, makes injection
The advantages of pump configuration is more compact.
In a kind of above-mentioned efficiently jet pump, the lateral wall of described intake tunnel is parallel and described injection channel
Axis plane.
In a kind of above-mentioned efficiently jet pump, the center line of described intake tunnel is curved.Using above-mentioned setting, effectively
The length of intake tunnel is improved, improves the operating efficiency of jet pump.
In a kind of above-mentioned efficiently jet pump, the outer sheath of described impeller be provided with the rear clasp of tubular and it is described after
Clasp can move axially, and the lateral wall of described rear clasp is equipped with the sealing of protrusion, the delivery port of described flow body
End loops be provided with annular groove, described rear clasp can be embedded into described annular groove and described sealing can recline
On the outer face of the delivery port of described injection channel.After this efficiently sprays pump work, after the pressure in booster cavity promotes
Clasp moves toward injection channel side, sealing is abutted on the outer face of the delivery port of flow body and forms sealing, avoids
The pressure loss of jet pump, improves operating efficiency.
In a kind of above-mentioned efficiently jet pump, the sealing in the form of sheets and described sealing end face parallel to institute
The outer face of the delivery port for the described flow body stated.
Compared with prior art, a kind of this efficiently jet pump has advantage：
1st, the runner of the runner body of this efficient jet pump includes intake tunnel, injection channel and exhalant canal, the runner
Length is more than the length of body, at work, adds the buffering to current, reduces pressure loss, improve jet pump
Operating efficiency；
2nd, the end of water inlet is located at the outside of one end of the described exhalant canal of injection channel connection, and delivery port is positioned at spray
The outside of one end of passage connection intake tunnel is penetrated, the length of intake tunnel and exhalant canal is improved, improves jet pump
Operating efficiency；
3rd, the end of water inlet is located at the outside of one end of the described exhalant canal of injection channel connection, and described goes out
The mouth of a river is positioned at the outside of one end of the described intake tunnel of described injection channel connection.Using above-mentioned setting, improve into water
The length of passage and exhalant canal, improve the operating efficiency of jet pump.
Brief description of the drawings
Fig. 1 is a kind of this schematic cross-sectional view of efficiently jet pump.
Fig. 2 is a kind of this schematic perspective view of the efficiently flow body of jet pump.
Fig. 3 is a kind of this schematic top plan view of the efficiently flow body of jet pump.
Fig. 4 is Fig. 2 C-C revolved section schematic diagrames.
Fig. 5 is Fig. 1 A close-up schematic views.
In figure, 1, the pump housing；1a, booster cavity；1b, water side；2nd, motor；3rd, rotating shaft；4th, impeller；5th, flow body；5a, water inlet
Mouthful；5b, delivery port；5c, body；5d, injection channel；5e, intake tunnel；5f, exhalant canal；6th, return port；7th, rear clasp；
7a, sealing.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Fig. 1 to 5, a kind of efficient jet pump, including the pump housing 1, motor 2, rotating shaft 3 and impeller 4, set in the pump housing 1
There is flow body 5, flow body 5 includes water inlet 5a and delivery port 5b, and the pump housing 1 includes water chamber and for placing impeller 4
Booster cavity 1a, booster cavity 1a are connected with the delivery port 5b and water chamber of flow body 5 respectively, and the pump housing 1 is provided with and water chamber
The water side 1b being connected.
Flow body 5 includes the body 5c with cavity, and the injection channel 5d of tubular is provided with body 5c cavity, and injection is logical
Respectively close to the both ends of body 5c cavity, body 5c cavity is separated into intake tunnel 5e by injection channel 5d at road 5d both ends
And exhalant canal 5f, injection channel 5d both ends are connected with intake tunnel 5e and exhalant canal 5f respectively, intake tunnel
5e outer end is water inlet 5a, and exhalant canal 5f outer end is above-mentioned delivery port 5b, and body 5c is provided with to be connected with water chamber
Logical return port 6, return port 6 are located at injection channel 5d close to intake tunnel 5e one end.Return port 6 protrudes body 5c inner side
And return port 6 and described injection channel 5d is coaxially disposed.
Water inlet 5a end is located at the outside of injection channel 5d connection exhalant canals 5f one end, and delivery port 5b is positioned at spray
The outside of passage 5d connection intake tunnels 5e one end is penetrated, intake tunnel 5e and exhalant canal 5f length is improved, improves
The operating efficiency of jet pump.Injection channel 5d is close to the horn mouth that exhalant canal 5f one end is toward outside opening.Injection is logical
Close to the end of intake tunnel 5e one end, rollover folding forms enlarging to road 5d outward.
The axis of water inlet 5a axis and described injection channel 5d is vertically arranged, delivery port 5b axis with it is described
Injection channel 5d axis is vertically arranged, and makes body 5c structure more compact, effectively reduces body 5c volume, is reduced
Body 5c mounting distance, saves installing space, the advantages of making jet pump structure more compact.Intake tunnel 5e outside
Wall be parallel to injection channel 5d axis plane and intake tunnel 5e center line it is curved.
The outer sheath of impeller 4 is provided with the rear clasp 7 of tubular and rear clasp 7 can move axially, the lateral wall ring of rear clasp 7
Sealing 7a provided with protrusion, the delivery port 5b of flow body 5 end loops are provided with annular groove, and rear clasp 7 can be embedded into annular
In groove and sealing 7a can be abutted on the delivery port 5b outer face of flow body 5.Sealing 7a is in the form of sheets and sealing 7a
End face parallel to the delivery port 5b of described flow body 5 outer face.
At work, the impeller 4 of motor 2 is rotated, and intake tunnel 5e of the water at water inlet 5a through flow body 5 is inhaled
Enter, and entered by injection channel 5d and exhalant canal 5f in booster cavity 1a, then be drained into from booster cavity 1a in water chamber,
Steam mixing in the water chamber of part sees that hole enters in injection channel 5d and improves the pressure in injection channel 5d through backflow, from
And reach the operating efficiency for improving jet pump.Body 5c cavity is separated into injection channel 5d into intake tunnel 5e and water outlet is led to
Road 5f, the flow channel length of relatively common runner body are injection channel 5d length, i.e., the common flow channel length of runner body etc.
In or less than body 5c length, this efficiently jet pump runner body runner include intake tunnel 5e, injection channel 5d with
And exhalant canal 5f, the flow channel length are more than body 5c length, at work, add the buffering to current, reduce pressure
Power is lost, and improves the operating efficiency of jet pump.
When this efficiently sprays pump work, clasp 7 moves toward injection channel 5d sides after the pressure in booster cavity 1a promotes,
Sealing 7a is abutted on the delivery port 5b of flow body 5 outer face and form sealing, avoid the pressure loss of jet pump,
Improve operating efficiency.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although the pump housing 1, booster cavity 1a, water side 1b, motor 2, rotating shaft 3, impeller 4, flow body have more been used herein
5th, water inlet 5a, delivery port 5b, body 5c, injection channel 5d, intake tunnel 5e, exhalant canal 5f, return port 6, rear clasp 7,
The terms such as sealing 7a, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more easily
Describe and explain the essence of the present invention；Being construed as any additional limitation is disagreed with spirit of the present invention
's.
Claims (10)
1. a kind of efficient jet pump, including the pump housing (1), motor (2), rotating shaft (3) and impeller (4), the described pump housing (1) is interior to be set
There is flow body (5), described flow body (5) includes water inlet (5a) and delivery port (5b), and the described pump housing (1) includes water outlet
Chamber and the booster cavity (1a) for placing impeller (4), described booster cavity (1a) water outlet with described flow body (5) respectively
Mouth (5b) and described water chamber are connected, and the described pump housing (1) is provided with the water side being connected with described water chamber
(1b), it is characterised in that described flow body (5) includes the body (5c) with cavity, and cylinder is provided with the cavity of body (5c)
The injection channel (5d) of shape, the both ends of described injection channel (5d) respectively close to the cavity of described body (5c) both ends,
The cavity of described body (5c) is separated into intake tunnel (5e) and exhalant canal (5f), institute by described injection channel (5d)
The both ends for the injection channel (5d) stated are connected with described intake tunnel (5e) and exhalant canal (5f) respectively, and described enters
The outer end of aquaporin (5e) is water inlet (5a), and the outer end of described exhalant canal (5f) is above-mentioned delivery port (5b), described
Body (5c) be provided with the return port (6) that is connected with water chamber, described return port (6) is located at described injection channel
(5d) is close to one end of described intake tunnel (5e).
2. a kind of efficient jet pump according to claim 1, it is characterised in that the end of described water inlet (5a) is located at
The outside of one end of the described exhalant canal (5f) of injection channel (5d) connection, described delivery port (5b) is positioned at described
The outside of one end of the described intake tunnel (5e) of injection channel (5d) connection.
3. a kind of efficient jet pump according to claim 1, it is characterised in that described injection channel (5d) is close to water outlet
One end of passage (5f) is the horn mouth opened toward outside.
4. a kind of efficient jet pump according to claim 1, it is characterised in that described injection channel (5d) is close to water inlet
Rollover folding forms enlarging outward for the end of one end of passage (5e).
5. a kind of efficient jet pump according to claim 1 or 2 or 3 or 4, it is characterised in that described return port (6) is convex
The inner side and described return port (6) for going out described body (5c) are coaxially disposed with described injection channel (5d).
A kind of 6. efficient jet pump according to claim 1 or 2 or 3 or 4, it is characterised in that described water inlet (5a)
The axis of axis and described injection channel (5d) be vertically arranged, axis and the described injection of described delivery port (5b) are led to
The axis in road (5d) is vertically arranged.
A kind of 7. efficient jet pump according to claim 1 or 2 or 3 or 4, it is characterised in that described intake tunnel
The lateral wall of (5e) is the plane parallel to the axis of described injection channel (5d).
A kind of 8. efficient jet pump according to claim 1 or 2 or 3 or 4, it is characterised in that described intake tunnel
The center line of (5e) is curved.
9. a kind of efficient jet pump according to claim 1 or 2 or 3 or 4, it is characterised in that outside described impeller (4)
Side is arranged with the rear clasp (7) of tubular and described rear choma can move axially, and the lateral wall ring of described rear clasp (7) is set
There is the sealing of protrusion, the end loops of the delivery port (5b) of described flow body (5) are provided with annular groove, described rear clasp (7)
It can be embedded into described annular groove and described sealing can abut in the delivery port (5b) of described flow body (5)
On outer face.
10. a kind of efficient jet pump according to claim 9, it is characterised in that the sealing is in the form of sheets and described
Outer face of the end face of sealing parallel to the delivery port (5b) of described described flow body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129046.3A CN107740782A (en) | 2017-11-14 | 2017-11-14 | A kind of efficient jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711129046.3A CN107740782A (en) | 2017-11-14 | 2017-11-14 | A kind of efficient jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740782A true CN107740782A (en) | 2018-02-27 |
Family
ID=61233391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711129046.3A Withdrawn CN107740782A (en) | 2017-11-14 | 2017-11-14 | A kind of efficient jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740782A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751251A (en) * | 2019-03-27 | 2019-05-14 | 浙江青霄科技股份有限公司 | Bilobed wheel jet pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208400A (en) * | 1994-01-07 | 1995-08-08 | Ohbayashi Corp | Jet pump |
| EP2037125A2 (en) * | 2007-09-14 | 2009-03-18 | Dab Pumps S.p.A. | Self-priming centrifugal jet pump |
| CN104153997A (en) * | 2014-08-19 | 2014-11-19 | 台州谊聚机电有限公司 | Cylinder mixing type self-priming pump |
| CN106194840A (en) * | 2016-09-30 | 2016-12-07 | 利欧集团浙江泵业有限公司 | The runner body structure of Hua Yuanbeng |
| CN106523438A (en) * | 2017-01-12 | 2017-03-22 | 浙江神农泵业有限公司 | Split-type flow deflector of injection pump |
-
2017
- 2017-11-14 CN CN201711129046.3A patent/CN107740782A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208400A (en) * | 1994-01-07 | 1995-08-08 | Ohbayashi Corp | Jet pump |
| EP2037125A2 (en) * | 2007-09-14 | 2009-03-18 | Dab Pumps S.p.A. | Self-priming centrifugal jet pump |
| CN104153997A (en) * | 2014-08-19 | 2014-11-19 | 台州谊聚机电有限公司 | Cylinder mixing type self-priming pump |
| CN106194840A (en) * | 2016-09-30 | 2016-12-07 | 利欧集团浙江泵业有限公司 | The runner body structure of Hua Yuanbeng |
| CN106523438A (en) * | 2017-01-12 | 2017-03-22 | 浙江神农泵业有限公司 | Split-type flow deflector of injection pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751251A (en) * | 2019-03-27 | 2019-05-14 | 浙江青霄科技股份有限公司 | Bilobed wheel jet pump |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180227 |
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| WW01 | Invention patent application withdrawn after publication |