CN107762878B - A kind of jet pump and its assembly method - Google Patents
A kind of jet pump and its assembly method Download PDFInfo
- Publication number
- CN107762878B CN107762878B CN201711068041.4A CN201711068041A CN107762878B CN 107762878 B CN107762878 B CN 107762878B CN 201711068041 A CN201711068041 A CN 201711068041A CN 107762878 B CN107762878 B CN 107762878B
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- CN
- China
- Prior art keywords
- injector
- guide vane
- water inlet
- impeller
- pump housing
- 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.)
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/007—Details, component parts, or accessories 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
- F04D29/08—Sealings
- F04D29/086—Sealings 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps 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 present invention relates to a kind of jet pump and its assembly methods, injector in prior art installation process is solved to be easy to fall, it is difficult to the problems such as water inlet of injector is quickly and accurately assembled on pump housing water inlet, the technical solution of use: including the pump housing, motor, connect the connector of the pump housing and motor, the shaft of motor passes through connector, it extend into the pump housing, a guide vane and an impeller is arranged in the end of the shaft, it is arranged in and pumps the water outlet of an intracorporal injector and connect with the guide vane, the water inlet end of the injector is connected on the pump housing, cooperate with the water inlet of the pump housing, it is characterized in that the water outlet of the injector is threadedly coupled with the formation of the water inlet end of the guide vane.Technical effect: improving the assembly relation between injector and guide vane, be connected through a screw thread, form reliable connection relationship, i.e. convenience and high-efficiency, reliable assembling, and can make reliable injector, the accurate connection pump housing and guide vane.
Description
Technical field
The present invention relates to a kind of jet pump and its assembly method more particularly to a kind of improvement injectors and guide vane mounting means
Jet pump and its assembly method.
Background technique
Electric pump includes the pump housing, impeller, guide vane, injector etc..When assembly, injector and guide vane are first assembled, it then will assembly
There is the injector of guide vane to be installed on the pump housing, is adapted the water inlet of injector with the water inlet of the pump housing.In the prior art,
It is formed and is clamped by sealing ring between injector and guide vane, be that the two is made to be connected to one by the expanding force of sealing ring between the two
It rises.When injector is assembled on the pump housing, usually curable grip is applied on guide vane, injector relies solely on rising for sealing ring
Clamp force, when injector collides in assembling process with the pump housing, injector is easy to fall, even if injector is not fallen,
It is easy to make the link position between injector and guide vane to change, generates offset or deflection, cause the water inlet of injector difficult
To be directed at the water inlet of the pump housing, continuous adjustment direction, installation trouble, low efficiency are needed.Even if after continuous adjustment direction, injection
Device water inlet alignment the pump housing water inlet installed, the connection reliability and leakproofness between injector and guide vane also by
To influence, and then influence the working efficiency of jet pump.
Summary of the invention
A kind of jet pump and its assembly side are provided it is an object of the invention to solve the above problem of the existing technology
Method is improved the assembly relation between injector and guide vane, is connected through a screw thread, and forms reliable connection relationship, i.e., convenience and high-efficiency,
Reliable assembling, and it is avoided that when assembling on injector to the pump housing, injector occur falls, assembles position between injector and guide vane
Set displacement, leakproofness between the two is affected, injector water inlet and pump housing water inlet assemble the appearance of the problems such as bad.
What above-mentioned technical purpose of the invention mainly solved by the following technical programs: a kind of jet pump, including the pump housing,
Motor, connects the connector of the pump housing and motor, and the shaft of motor passes through connector, extend into the pump housing, the end of the shaft
One guide vane and an impeller are set, is arranged in and is pumped the water outlet of an intracorporal injector and connect with the guide vane, the injector
Water inlet end is connected on the pump housing, is cooperated with the water inlet of the pump housing, it is characterised in that the water outlet of the injector with it is described
The water inlet end of guide vane, which is formed, to be threadedly coupled.The assembly relation between injector and guide vane is improved, is connected through a screw thread, is formed reliable
Connection relationship, i.e. convenience and high-efficiency, reliable assembling, but be avoided that when assembling on injector to the pump housing occur injector fall,
Rigging position shifts between injector and guide vane, leakproofness between the two is affected, the water inlet of injector water inlet and the pump housing
The appearance for the problems such as mouth assembly is bad.
When assembly, the water outlet of the injector is threadedly coupled with the water inlet end of the guide vane, forms whole knot
Structure；
An alignment pieces are inserted into the water inlet of the pump housing；
The water inlet of the injector is aligned with the alignment pieces；
The guide vane is pushed, is inserted into the water inlet end of the injector in the water inlet of the pump housing；
Sealing ring on the water inlet end outer wall of the injector and the water inlet inner wall of the pump housing forms sealing cooperation；
Take out the alignment pieces.
The step of " water inlet of the Xiang Suoshu pump housing is inserted into an alignment pieces ", also can be set in " injector and guide vane
Before formation connection " step.
For above-mentioned technical solution, in assembly, is formed between injector and guide vane and be reliably threadedly coupled, sprayed
When emitter is assembled on the pump housing, when injector and the pump housing generate collision, the position between injector and guide vane is not subjected to displacement
Will not find to deflect, solve between injector and guide vane generate separate, poor sealing the problems such as, meanwhile, it is capable to quickly look for
The position of quasi- alignment pieces, has greatly improved assembly efficiency and assembly precision.
As further improving and supplementing to above-mentioned technical proposal, the present invention uses following technical measures: due to injection
The water inlet end inner wall of the water outlet inner wall of device and guide vane is the outer wall of water stream channel, in order to improve the smoothness of water stream channel and close
External screw thread is arranged in Feng Xing, the water outlet of the injector, and internal screw thread is arranged in the water inlet end of the guide vane.
In order to reduce the resistance generated in application to water flow, the inner wall of the injector water outlet is that loudspeaker are flared shape,
The export direction of the guide vane water inlet end is that loudspeaker are flared shape, and the loudspeaker flaring shape inner wall of the injector and the guide vane are intake
The loudspeaker flaring shape inner wall at end forms loudspeaker forward and is flared shape.
One impeller assembly cavity, composite stainless steel ring on the ring wall of the impeller assembly cavity, the leaf are set on the guide vane
The import ring portion of wheel is inserted into the impeller assembly cavity, and the outer wall of the impeller inlet ring portion is adapted with the stainless steel ring.No
On the one hand the setting of rust steel loop prevents occurring stuck phenomenon between impeller and guide vane, on the other hand improve wearability and to impeller
Form effective correction effect.
The yet another aspect of the technical program fit structure between impeller and guide vane: impeller assembly is set on the guide vane
Slot 42, composite stainless steel ring on the external annulus of the impeller fitting groove, the import ring portion of the impeller are inserted into the impeller assembly
The outer wall of slot, the impeller inlet ring portion is adapted with the stainless steel ring.
The invention has the benefit that the assembly relation between 1, improvement injector and guide vane, is connected through a screw thread, shape
At reliable connection relationship, i.e. convenience and high-efficiency, reliable assembling, and injector reliable, the accurate connection pump housing and guide vane can be made.2, it is
The smoothness and leakproofness of water stream channel are improved, external screw thread, the water inlet end of the guide vane is arranged in the water outlet of the injector
Internal screw thread is set.3, in order to reduce the resistance generated in application to water flow, the inner wall of the injector water outlet is loudspeaker expansion
The degree of lip-rounding, the export direction of the guide vane water inlet end are that loudspeaker are flared shape, and the loudspeaker flaring shape inner wall of the injector is led with described
The loudspeaker flaring shape inner wall of leaf water inlet end forms loudspeaker forward and is flared shape.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: as shown in Figure 1, a kind of jet pump, including the pump housing 1, motor 2 connect the connector of the pump housing 1 and motor 2,
The shaft 3 of motor passes through connector, extend into the pump housing 1, and a guide vane 4 and an impeller 5 is arranged in the end of the shaft, and setting exists
The water outlet of an injector 6 in the pump housing 1 is connect with the guide vane 4, and the water inlet end of the injector 6 is connected to the pump housing 1
On, cooperate with the water inlet of the pump housing 1.
In the technical scheme, the assembly relation between injector and guide vane is improved, using " the water outlet of the injector
61 formed with the water inlet end 41 of the guide vane be threadedly coupled " scheme.It is connected through a screw thread, forms reliable connection relationship, i.e.,
Convenience and high-efficiency, reliable assembling, but be avoided that when assembling on injector to the pump housing occur injector fall, injector and guide vane it
Between rigging position displacement, leakproofness between the two is affected, injector water inlet and pump housing water inlet assemble bad etc. ask
The appearance of topic.
When assembly, the water outlet 61 of the injector is threadedly coupled with the water inlet end 41 of the guide vane, is formed whole
Body structure；
An alignment pieces are inserted into the water inlet 11 of the pump housing；
The water inlet 62 of the injector is aligned with the alignment pieces；
The guide vane 4 is pushed, is inserted into the water inlet end 63 of the injector in the water inlet 11 of the pump housing；
63 outer wall of water inlet end of the injector forms sealing with the sealing ring on 11 inner wall of water inlet of the pump housing and matches
It closes；
Take out the alignment pieces.
The step of " water inlet of the Xiang Suoshu pump housing is inserted into an alignment pieces ", also can be set in " injector and guide vane
Before formation connection " step.
For above-mentioned technical solution, in assembly, is formed between injector and guide vane and be reliably threadedly coupled, sprayed
When emitter is assembled on the pump housing, when injector and the pump housing generate collision, the position between injector and guide vane is not subjected to displacement
Will not find to deflect, solve between injector and guide vane generate separate, poor sealing the problems such as, meanwhile, it is capable to quickly look for
The position of quasi- alignment pieces, has greatly improved assembly efficiency and assembly precision.
To the further supplement of above-mentioned technical proposal, for following technical scheme, it is not only adapted to the skill of configuration aspects
Art scheme is also applied for the technical solution in terms of method:
Due to the outer wall that 61 inner wall of water outlet of injector and 41 inner wall of water inlet end of guide vane are water stream channel, in order to improve
The smoothness and leakproofness of water stream channel, the water outlet of the injector are arranged external screw thread, in the water inlet end setting of the guide vane
Screw thread.
In order to reduce the resistance in application to water flow, the inner wall of the injector water outlet 61 is that loudspeaker are flared shape, institute
The export direction for stating guide vane water inlet end 41 is that loudspeaker are flared shape, and the loudspeaker flaring shape inner wall of the injector and the guide vane are intake
The loudspeaker flaring shape inner wall at end forms loudspeaker forward and is flared shape.
One impeller assembly cavity, composite stainless steel ring on the ring wall of the impeller assembly cavity, the leaf are set on the guide vane
The import ring portion of wheel is inserted into the impeller assembly cavity, and the outer wall of the impeller inlet ring portion is adapted with the stainless steel ring.No
On the one hand the setting of rust steel loop prevents occurring stuck phenomenon between impeller and guide vane, on the other hand improve wearability and to impeller
Form effective correction effect.
One impeller fitting groove is set on the guide vane, and composite stainless steel ring on the external annulus of the impeller fitting groove is described
The import ring portion of impeller is inserted into the impeller fitting groove, and the outer wall of the impeller inlet ring portion is adapted with the stainless steel ring.
The yet another aspect of the technical program fit structure between impeller and guide vane.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention.In the above-described embodiments,
The invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, equally replace
It changes, improve, should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of jet pump, including the pump housing, motor, connect the connector of the pump housing and motor, the shaft of motor passes through connector, stretches
Enter into the pump housing, a guide vane and an impeller is arranged in the end of the shaft, be arranged in the water outlet for pump an intracorporal injector and
The guide vane connection, the water inlet end of the injector are connected on the pump housing, are cooperated with the water inlet of the pump housing, it is characterised in that
The water outlet of the injector is threadedly coupled with the formation of the water inlet end of the guide vane；Outer spiral shell is arranged in the water outlet of the injector
Internal screw thread is arranged in the water inlet end of line, the guide vane；The inner wall of the injector water outlet is that loudspeaker are flared shape, the guide vane water inlet
The export direction at end is that loudspeaker are flared shape, and the loudspeaker flaring shape inner wall of the injector and the loudspeaker of the guide vane water inlet end are flared
Shape inner wall forms loudspeaker forward and is flared shape；One impeller assembly cavity is set on the guide vane, on the ring wall of the impeller assembly cavity
The import ring portion of composite stainless steel ring, the impeller is inserted into the impeller assembly cavity, the outer wall of the impeller inlet ring portion and institute
Stainless steel ring is stated to be adapted.
2. a kind of jet pump according to claim 1, it is characterised in that an impeller fitting groove is set on the guide vane, it is described
The import ring portion of composite stainless steel ring on the external annulus of impeller fitting groove, the impeller is inserted into the impeller fitting groove, the leaf
The outer wall of wheel import ring portion is adapted with the stainless steel ring.
3. a kind of assembly method of jet pump according to claim 1, it is characterised in that step includes:
The water outlet of the injector is threadedly coupled with the water inlet end of the guide vane, forms overall structure；
An alignment pieces are inserted into the water inlet of the pump housing；
The water inlet of the injector is aligned with the alignment pieces；
The guide vane is pushed, is inserted into the water inlet end of the injector in the water inlet of the pump housing；
Sealing ring on the water inlet end outer wall of the injector and the water inlet inner wall of the pump housing forms sealing cooperation；
Take out the alignment pieces.
4. a kind of assembly method of jet pump according to claim 3, it is characterised in that the water outlet of the injector is set
External screw thread is set, internal screw thread is arranged in the water inlet end of the guide vane.
5. a kind of assembly method of jet pump according to claim 4, it is characterised in that the injector water outlet it is interior
Wall is that loudspeaker are flared shape, and the export direction of the guide vane water inlet end is that loudspeaker are flared shape, and the loudspeaker of the injector are flared in shape
The loudspeaker that the loudspeaker of wall and guide vane water inlet end flaring shape inner wall is formed forward are flared shape.
6. a kind of assembly method of jet pump according to claim 5, it is characterised in that an impeller is arranged on the guide vane
Assembly cavity, composite stainless steel ring on the ring wall of the impeller assembly cavity, the import ring portion of the impeller are inserted into the impeller assembly
The outer wall of chamber, the impeller inlet ring portion is adapted with the stainless steel ring.
7. a kind of assembly method of jet pump according to claim 5, it is characterised in that an impeller is arranged on the guide vane
Fitting groove, composite stainless steel ring on the external annulus of the impeller fitting groove, the import ring portion of the impeller are inserted into the impeller dress
The outer wall of slot allocation, the impeller inlet ring portion is adapted with the stainless steel ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068041.4A CN107762878B (en) | 2017-11-03 | 2017-11-03 | A kind of jet pump and its assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068041.4A CN107762878B (en) | 2017-11-03 | 2017-11-03 | A kind of jet pump and its assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762878A CN107762878A (en) | 2018-03-06 |
| CN107762878B true CN107762878B (en) | 2019-07-19 |
Family
ID=61273454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711068041.4A Active CN107762878B (en) | 2017-11-03 | 2017-11-03 | A kind of jet pump and its assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107762878B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830573A (en) * | 1988-01-06 | 1989-05-16 | Gsw Inc. | High pressure pump with plastic pump housing and heat sink |
| SU1657770A1 (en) * | 1989-06-14 | 1991-06-23 | Томский научно-исследовательский и проектный институт нефтяной промышленности | Jet pump |
| CN205166438U (en) * | 2015-10-27 | 2016-04-20 | 长沙佳能通用泵业有限公司 | Festival segmentation multistage centrifugal pump pump body sole dowelling jig frock positioning tool |
| CN206503690U (en) * | 2017-01-22 | 2017-09-19 | 台州金亿龙泵业有限公司 | A kind of jet pump |
| CN206503689U (en) * | 2017-01-22 | 2017-09-19 | 台州金亿龙泵业有限公司 | jet pump |
| CN207349113U (en) * | 2017-11-03 | 2018-05-11 | 新界泵业集团股份有限公司 | A kind of jet pump |
-
2017
- 2017-11-03 CN CN201711068041.4A patent/CN107762878B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830573A (en) * | 1988-01-06 | 1989-05-16 | Gsw Inc. | High pressure pump with plastic pump housing and heat sink |
| SU1657770A1 (en) * | 1989-06-14 | 1991-06-23 | Томский научно-исследовательский и проектный институт нефтяной промышленности | Jet pump |
| CN205166438U (en) * | 2015-10-27 | 2016-04-20 | 长沙佳能通用泵业有限公司 | Festival segmentation multistage centrifugal pump pump body sole dowelling jig frock positioning tool |
| CN206503690U (en) * | 2017-01-22 | 2017-09-19 | 台州金亿龙泵业有限公司 | A kind of jet pump |
| CN206503689U (en) * | 2017-01-22 | 2017-09-19 | 台州金亿龙泵业有限公司 | jet pump |
| CN207349113U (en) * | 2017-11-03 | 2018-05-11 | 新界泵业集团股份有限公司 | A kind of jet pump |
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| Publication number | Publication date |
|---|---|
| CN107762878A (en) | 2018-03-06 |
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190505 Address after: 317525 Ocean City Industrial Zone, Dashi Town, Wenling City, Taizhou, Zhejiang Applicant after: New Territories Pump Industry (Zhejiang) Co., Ltd. Address before: 317525 three village, Dashi Town, Wenling City, Taizhou, Zhejiang Applicant before: Shimge Pump Industry Group Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A jet pump and its assembly method Effective date of registration: 20201231 Granted publication date: 20190719 Pledgee: Wenling Branch of Bank of China Ltd. Pledgor: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Registration number: Y2020330001366 |