CN106989061A - A kind of high-pressure hydraulic pump of built-in back cavity - Google Patents
A kind of high-pressure hydraulic pump of built-in back cavity Download PDFInfo
- Publication number
- CN106989061A CN106989061A CN201710422473.4A CN201710422473A CN106989061A CN 106989061 A CN106989061 A CN 106989061A CN 201710422473 A CN201710422473 A CN 201710422473A CN 106989061 A CN106989061 A CN 106989061A
- Authority
- CN
- China
- Prior art keywords
- back cavity
- built
- hydraulic pump
- pump
- pressure hydraulic
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of high-pressure hydraulic pump of built-in back cavity, including peripheral pump, it is provided with back cavity between the water inlet and runner of the peripheral pump, the back cavity is internally provided with return flow line.The high-pressure hydraulic pump of the built-in back cavity, by setting return flow line in back cavity, during work, increases the flow velocity of water, and utilizes water flow rotary, the pressure moment in pump is kept high pressure, it is to avoid the unstable situation of hydraulic pressure occur.
Description
Technical field
The invention belongs to high-pressure hydraulic pump technical field, and in particular to a kind of high-pressure hydraulic pump of built-in back cavity.
Background technology
Peripheral pump small volume, lightweight feature have great superiority in marine installation；With suction capacity or
Self-priming is realized by means of simple mechanism；Peripheral pump is simple in construction, casting and processing technology are all easily realized, some peripheral pumps zero
Part can also use nonmetallic materials, such as plastics, nylon molding impeller.Therefore peripheral pump is as high-pressure hydraulic pump, in shipbuilding, light
Departments such as spinning, chemical industry, metallurgy, machine-building, aquaculture, fixed fire-fighting voltage stabilizing, heat-exchanger, the long-range sprinkling irrigation of agricultural etc. are all
It is widely used.
Liquid in the vane groove of peripheral pump, is got rid of to runner by centrifugal force, is once pressurized；Liquid is again because in groove in runner
Liquid is thrown out of to form low pressure, is again introduced into groove, is pressurized again；The vortex movement of the multiple groove of one runner of groove one, from
And obtain higher pressure head.But peripheral pump is when in use, because the water velocity of water inlet is relatively low, the active force of centrifugal force compared with
It is small, it is impossible to keep internal and remain high pressure conditions, the unstable situation of hydraulic pressure is often resulted in, influence is used.
The content of the invention
It is an object of the invention to provide a kind of high-pressure hydraulic pump of built-in back cavity, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：A kind of high-pressure hydraulic pump of built-in back cavity, including rotation
The whirlpool pump pump housing, be provided with back cavity between the water inlet and runner of the peripheral pump, the back cavity is internally provided with
Return flow line.
It is preferred that, the side of the runner is connected with back cavity, and the opposite side and the delivery port of peripheral pump of runner
Connection.
It is preferred that, the inside of the runner is provided with impeller.
It is preferred that, the return flow line is provided with three groups, and return flow line is equally uniformly distributed inside back cavity.
It is preferred that, one end bore of the return flow line is more than return flow line other end bore.
It is preferred that, the inwall of the back cavity and the surfaces externally and internally of return flow line are coated with wearing layer.
The technique effect and advantage of the present invention：The high-pressure hydraulic pump of the built-in back cavity, is flowed back by being set in back cavity
Passage, during work, increases the flow velocity of water, and utilizes water flow rotary, the pressure moment in pump is kept high pressure, it is to avoid hydraulic pressure occur not
Steady situation.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of impeller of the present invention；
Fig. 3 is the internal structure schematic diagram of back cavity of the present invention.
In figure：1 peripheral pump, 2 water inlets, 3 impellers, 4 back cavities, 5 runners, 6 delivery ports, 7 return flow lines.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The invention provides a kind of high-pressure hydraulic pump of built-in back cavity as Figure 1-3, including peripheral pump 1, institute
State and back cavity 4 is provided between the water inlet 2 of peripheral pump 1 and runner 5, the backflow that is internally provided with of the back cavity 4 is led to
Road 7.
Specifically, the side of the runner 5 is connected with back cavity 4, and the opposite side of runner 5 and going out for peripheral pump 1
The mouth of a river 6 is connected.
Specifically, the inside of the runner 5 is provided with impeller 3.
Specifically, the return flow line 7 is provided with three groups, and return flow line 7 is equally uniform point inside back cavity 4
Cloth.
Specifically, one end bore of the return flow line 7 is more than the other end bore of return flow line 7.
Specifically, the inwall of the back cavity 4 and the surfaces externally and internally of return flow line 7 are coated with wearing layer.
Specifically, the high-pressure hydraulic pump of the built-in back cavity, by setting return flow line 7 in back cavity 4, during work, increases
The flow velocity added water, and water flow rotary is utilized, the pressure moment in pump is kept high pressure, it is to avoid the unstable situation of hydraulic pressure occur.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of high-pressure hydraulic pump of built-in back cavity, including peripheral pump（1）, it is characterised in that：The peripheral pump（1）
Water inlet（2）With runner（5）Between be provided with back cavity（4）, the back cavity（4）Be internally provided with return flow line（7）.
2. a kind of high-pressure hydraulic pump of built-in back cavity according to claim 1, it is characterised in that：The runner（5）One
Side and back cavity（4）Connection, and runner（5）Opposite side and peripheral pump（1）Delivery port（6）Connection.
3. a kind of high-pressure hydraulic pump of built-in back cavity according to claim 1, it is characterised in that：The runner（5）It is interior
Portion is provided with impeller（3）.
4. a kind of high-pressure hydraulic pump of built-in back cavity according to claim 1, it is characterised in that：The return flow line（7）
It is provided with three groups, and return flow line（7）In back cavity（4）Inside is equally uniformly distributed.
5. a kind of high-pressure hydraulic pump of built-in back cavity according to claim 1, it is characterised in that：The return flow line（7）
One end bore be more than return flow line（7）Other end bore.
6. a kind of high-pressure hydraulic pump of built-in back cavity according to claim 1, it is characterised in that：The back cavity（4）'s
Inwall and return flow line（7）Surfaces externally and internally be coated with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422473.4A CN106989061A (en) | 2017-06-07 | 2017-06-07 | A kind of high-pressure hydraulic pump of built-in back cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422473.4A CN106989061A (en) | 2017-06-07 | 2017-06-07 | A kind of high-pressure hydraulic pump of built-in back cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106989061A true CN106989061A (en) | 2017-07-28 |
Family
ID=59421608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710422473.4A Pending CN106989061A (en) | 2017-06-07 | 2017-06-07 | A kind of high-pressure hydraulic pump of built-in back cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106989061A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5376406A (en) * | 1976-12-17 | 1978-07-06 | Hitachi Ltd | Self-suction pump |
| JP2002127736A (en) * | 2000-10-26 | 2002-05-08 | Toyota Industries Corp | Fluid heating device |
| US20070048148A1 (en) * | 2005-08-25 | 2007-03-01 | Matsushita Electric Works, Ltd. | Pump and liquid supply apparatus having the pump |
| CN102086892A (en) * | 2009-10-24 | 2011-06-08 | 陈久斌 | Eddy current device |
| CN202187948U (en) * | 2011-04-19 | 2012-04-11 | 林文瀚 | Plastic vortex pump |
| CN206845547U (en) * | 2017-06-07 | 2018-01-05 | 明光市留香泵业有限公司 | A kind of high-pressure hydraulic pump of built-in back cavity |
-
2017
- 2017-06-07 CN CN201710422473.4A patent/CN106989061A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5376406A (en) * | 1976-12-17 | 1978-07-06 | Hitachi Ltd | Self-suction pump |
| JP2002127736A (en) * | 2000-10-26 | 2002-05-08 | Toyota Industries Corp | Fluid heating device |
| US20070048148A1 (en) * | 2005-08-25 | 2007-03-01 | Matsushita Electric Works, Ltd. | Pump and liquid supply apparatus having the pump |
| CN102086892A (en) * | 2009-10-24 | 2011-06-08 | 陈久斌 | Eddy current device |
| CN202187948U (en) * | 2011-04-19 | 2012-04-11 | 林文瀚 | Plastic vortex pump |
| CN206845547U (en) * | 2017-06-07 | 2018-01-05 | 明光市留香泵业有限公司 | A kind of high-pressure hydraulic pump of built-in back cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170728 |
|
| RJ01 | Rejection of invention patent application after publication |