CN108386700B - A kind of extrusion pump - Google Patents
A kind of extrusion pump Download PDFInfo
- Publication number
- CN108386700B CN108386700B CN201810148182.5A CN201810148182A CN108386700B CN 108386700 B CN108386700 B CN 108386700B CN 201810148182 A CN201810148182 A CN 201810148182A CN 108386700 B CN108386700 B CN 108386700B
- Authority
- CN
- China
- Prior art keywords
- housing
- annular
- back cavity
- drainage
- reflux
- 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.)
- Active
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 16
- 238000010992 reflux Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 10
- 230000001050 lubricating effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention relates to a kind of extrusion pump, including pump housing shell, the left side of pump housing shell is equipped with input duct, and the back cavity of annular is equipped with outside inlet tube；The axial end portion of input duct is additionally provided with reflux housing；It flows back and is equipped with the backflow gap of annular between the inner wall of housing and the inner sidewall of back cavity, reflux housing is connected in input duct by support ring, and the end for the housing that flows back is equipped with conical flow guiding portion；The outer side surface of back cavity is equipped with drainage gap；Booster cavity is arranged in the axial end portion of back cavity, and the inside of booster cavity is equipped with the row pressure chamber of annular；The intracavitary shake pipe for being equipped with annular of row pressure, the section for shaking pipe is waveform；Annular array is equipped with air inlet pipe on the closed end of row pressure chamber；The Supporting cover on right side is equipped with drainage pipeline, and drainage pipeline is equipped with the drainage cover of tapered configuration, and the necking end of drainage cover is connected on drainage pipeline, is slidably connected between the flared end of drainage cover and the outer side surface of back cavity；The sealing end back of reflux housing is equipped with elastic connection structure.
Description
Technical field
The present invention relates to a kind of extrusion pumps, belong to oil pressure pump apparatus field.
Background technique
A kind of water pump of the extrusion pump as small flow, often for conveying lubricating fluid use in the equipment such as many lathes,
Traditional extrusion pump is wriggled using piston reciprocating realizes the conveying of lubricating fluid, but because in many cases, lubricating fluid is typically all
It is recycled, so being easy to be mixed into metal impurities in lubricating fluid, it is easy to which the scuffing for causing piston leads to the damage of water pump
It is bad.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the technology that piston-type extrusion pump piston is easily damaged in the prior art
Problem provides a kind of without extrusion pump in the form of piston.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of extrusion pump, including pump housing shell, the both lateral sides of the pump housing shell are each provided with a Supporting cover, wherein
It is provided with an input duct in the Supporting cover in left side, the input duct extend into pump housing interior of shell, outside the inlet tube
Portion is provided with an annular back cavity, and the axial end portion of the back cavity is open towards pump housing shell left side；The inlet tube
The axial end portion in road is additionally provided with a reflux housing；The inner wall of the reflux housing is socketed on the inner sidewall of back cavity, institute
The backflow gap that annular is provided between the inner wall of reflux housing and the inner sidewall of back cavity is stated, the reflux housing passes through one
The support ring for being provided with several openings is connected in input duct, and the end of the reflux housing is provided with one towards inlet tube
Road conical flow guiding portion outstanding；The pumpway of annular is provided between the outer side surface of the back cavity and the wall surface for the housing that flows back
Gap；The axial end portion of the back cavity is provided with an annular booster cavity, and booster cavity is internally provided with an annular row
Press chamber；Axial one end of the row pressure chamber is open in the opening direction of back cavity, and the opening of the row pressure chamber is provided with one
The draining circle of annular, the draining circle are made of porous material, and an annular shake pipe is provided in the drainage gap,
The section of the shake pipe is waveform, is made of elastic material, and the end of the shake pipe is coaxially fixed and is embedded into row
In hydrosphere；The row pressure chamber is enclosed construction backwards to the bottom of opening side, and annular array is set on the closed end of the row pressure chamber
It is equipped with several air inlet pipe；It is provided with a drainage pipeline in the Supporting cover on the right side, is provided with one on the drainage pipeline
The necking end of the drainage cover of tapered configuration, drainage cover is connected on drainage pipeline, the flared end of the drainage cover and back cavity
It is slidably connected between outer side surface；The sealing end back of the reflux housing is provided with an elastic connection structure, the elasticity
Connection structure includes the fixed support spring silk of several annular arrays, and one end of the support spring silk is solid by a connector sleeve
It is scheduled on reflux housing, the other end is supported on drainage cover.
As a further improvement of the present invention, the draining circle is made of pelelith.
As a further improvement of the present invention, the outer wall of the back cavity is tapered configuration, and necking end is towards back cavity
Open side.
As a further improvement of the present invention, the Supporting cover includes the connection ring and internal fixed ring of periphery；Connection
Ring is used for and pump housing cage connection；It is connected between the connection ring and fixed ring by the buffer structure of sponge material.
As a further improvement of the present invention, the shake pipe is made of copper sheet.
The beneficial effects of the present invention are:
1, the present invention shortens the length of equipment, while the shake driven using one by air pressure by a return-flow structure
The shake pipe of formula squeezes the creeping motion type of fluid to realize, and then realize and pump using the shake of gas-powered shake pipe,
Shake pipe is because only shiver condition of starting building, it is not easy to sealing effect is influenced because of scratching, while the reflux housing of this structure is bullet
Property moveable structure, thus it is possible to vary between intake antrum and drainage cavity volume proportion, to change flow velocity, flow.
2, the shake pipe of copper sheet material has good elasticity.
3, it is sponge material inside Supporting cover, the shake because of each connector caused by wriggling can be reduced.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is diagrammatic cross-section of the invention；
In figure: 1, pump housing shell；2, Supporting cover；3, back cavity；4, input duct；5, flow back housing；6, conical flow guiding portion；
7, row pressure chamber；8, shake pipe；9, draining circle；10, air inlet pipe；11, drainage pipeline；12, drainage cover；13, support ring；14, it supports
Spring wire.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, the present invention is a kind of extrusion pump, including pump housing shell, the both lateral sides of the pump housing shell are respectively set
It is equipped with a Supporting cover, wherein being provided with an input duct in the Supporting cover in left side, the input duct is extend into outside the pump housing
Inside shell, it is provided with an annular back cavity outside the inlet tube, the axial end portion of the back cavity is towards pump housing shell
Left side opening；The axial end portion of the input duct is additionally provided with a reflux housing；The inner wall of the reflux housing is socketed in
On the inner sidewall of back cavity, the backflow gap of annular is provided between the inner wall of the reflux housing and the inner sidewall of back cavity,
The reflux housing is connected in input duct by a support ring for being provided with several openings, the end of the reflux housing
One is provided with towards input duct conical flow guiding portion outstanding；The wall surface of the outer side surface of the back cavity and reflux housing it
Between be provided with annular drainage gap；The axial end portion of the back cavity is provided with an annular booster cavity, booster cavity it is interior
Portion is provided with an annular row pressure chamber；Axial one end of the row pressure chamber is open in the opening direction of back cavity, the row pressure
The opening of chamber is provided with an annular draining circle, and the draining circle is made of porous material, is set in the drainage gap
It is equipped with an annular shake pipe, the section of the shake pipe is waveform, is made of elastic material, the end of the shake pipe
Portion is coaxially fixed and is embedded into draining circle；The row pressure chamber is enclosed construction, the row pressure chamber backwards to the bottom of opening side
Closed end on annular array be provided with several air inlet pipe；A drainage pipeline is provided in the Supporting cover on the right side, it is described
The drainage cover of a tapered configuration is provided on drainage pipeline, the necking end of drainage cover is connected on drainage pipeline, the draining
It is slidably connected between the flared end of cover and the outer side surface of back cavity；The sealing end back of the reflux housing is provided with a bullet
Property connection structure, the elastic connection structure includes the fixed support spring silk of several annular arrays, the support spring silk
One end is fixed on reflux housing by a connector sleeve, and the other end is supported on drainage cover；
Further, the draining circle is made of pelelith；
Further, the outer wall of the back cavity is tapered configuration, open side of the necking end towards back cavity；
Further, the Supporting cover includes the connection ring and internal fixed ring of periphery；Connection ring be used for outside the pump housing
Shell connection；It is connected between the connection ring and fixed ring by the buffer structure of sponge material；
Further, the shake pipe is made of copper sheet；
In use, lubricating fluid enters from input duct, is then realized and turned back by the conical flow guiding portion of reflux housing, rolled over
After returning, lubricating fluid is deposited into back cavity, and followed by the row pressure chamber of high speed exhaust, a large amount of high speed gas are discharged using draining circle
Body so that shake pipe is shaken, the shake pipe of shake so that fluid in drainage gap by reciprocating extrusion, and then be back cavity
Pressure is provided, lubricating fluid is squeezed into drainage cover, drainage pipeline is drained by drainage cover followed by, and further realize liquid
The discharge of body；The support spring silk of elasticity setting simultaneously can provide certain fluctuation area for back cover shell, be fluid high-speed
Good buffering is provided when flowing.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. a kind of extrusion pump, it is characterized in that: including pump housing shell, the both lateral sides of the pump housing shell are each provided with a support
Lid, wherein be provided with an input duct in the Supporting cover in left side, the input duct extend into pump housing interior of shell, it is described into
An annular back cavity is provided with outside liquid pipe, the axial end portion of the back cavity is open towards pump housing shell left side；It is described
The axial end portion of input duct is additionally provided with a reflux housing；The inner wall of the reflux housing is socketed in the inner sidewall of back cavity
On, the backflow gap of annular is provided between the inner wall of the reflux housing and the inner sidewall of back cavity, the reflux housing is logical
It crosses the support ring that one is provided with several openings to be connected in input duct, the end of the reflux housing is provided with a direction
Input duct conical flow guiding portion outstanding；Annular is provided between the outer side surface of the back cavity and the wall surface for the housing that flows back
Drainage gap；The axial end portion of the back cavity is provided with an annular booster cavity, and booster cavity is internally provided with a ring
The row pressure chamber of shape；Axial one end of the row pressure chamber is open in the opening direction of back cavity, the opening setting of the row pressure chamber
Have an annular draining circle, the draining circle is made of porous material, be provided in the drainage gap one it is annular
The section of shake pipe, the shake pipe is waveform, is made of elastic material, and the end of the shake pipe is coaxially fixed and embedding
Enter into draining circle；The row pressure chamber is enclosed construction, annular on the closed end of the row pressure chamber backwards to the bottom of opening side
Array is provided with several air inlet pipe；It is provided with a drainage pipeline in the Supporting cover on right side, is arranged on the drainage pipeline
Have the drainage cover of a tapered configuration, the necking end of drainage cover is connected on drainage pipeline, the flared end of the drainage cover with return
It flows and is slidably connected between the outer side surface of chamber；The sealing end back of the reflux housing is provided with an elastic connection structure, institute
Stating elastic connection structure includes the fixed support spring silk of several annular arrays, and one end of the support spring silk passes through a company
Female connector is fixed on reflux housing, and the other end is supported on drainage cover.
2. a kind of extrusion pump as described in claim 1, it is characterized in that: draining circle is made of pelelith.
3. a kind of extrusion pump as described in claim 1, it is characterized in that: the outer wall of the back cavity is tapered configuration, necking end
Towards the open side of back cavity.
4. a kind of extrusion pump as described in claim 1, it is characterized in that: the Supporting cover includes connection ring and the inside of periphery
Fixed ring；Connection ring is used for and pump housing cage connection；Pass through the buffer structure of sponge material between the connection ring and fixed ring
Connection.
5. a kind of extrusion pump as described in claim 1, it is characterized in that: the shake pipe is made of copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148182.5A CN108386700B (en) | 2018-02-01 | 2018-02-01 | A kind of extrusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810148182.5A CN108386700B (en) | 2018-02-01 | 2018-02-01 | A kind of extrusion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108386700A CN108386700A (en) | 2018-08-10 |
| CN108386700B true CN108386700B (en) | 2019-11-05 |
Family
ID=63068940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810148182.5A Active CN108386700B (en) | 2018-02-01 | 2018-02-01 | A kind of extrusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108386700B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047132A (en) * | 1989-05-09 | 1990-11-21 | 郑国亮 | Hand pump valve tube |
| JP2007192117A (en) * | 2006-01-19 | 2007-08-02 | Aisin Seiki Co Ltd | Oil pump device |
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| CN204663841U (en) * | 2015-05-20 | 2015-09-23 | 潘磊 | Adjusting control valve |
| CN108374918A (en) * | 2018-02-01 | 2018-08-07 | 华北水利水电大学 | A kind of flow-limiting valve |
-
2018
- 2018-02-01 CN CN201810148182.5A patent/CN108386700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047132A (en) * | 1989-05-09 | 1990-11-21 | 郑国亮 | Hand pump valve tube |
| JP2007192117A (en) * | 2006-01-19 | 2007-08-02 | Aisin Seiki Co Ltd | Oil pump device |
| CN102635538A (en) * | 2012-04-28 | 2012-08-15 | 胡军 | Small-sized brushless direct current self-absorption multi-cavity pump provided with outer rotor |
| CN204663841U (en) * | 2015-05-20 | 2015-09-23 | 潘磊 | Adjusting control valve |
| CN108374918A (en) * | 2018-02-01 | 2018-08-07 | 华北水利水电大学 | A kind of flow-limiting valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108386700A (en) | 2018-08-10 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Wen Inventor after: Yang Xiao Inventor after: Tang Mingqi Inventor before: Wang Wen Inventor before: Wu Linfeng Inventor before: Tang Mingqi |
|
| OL01 | Intention to license declared | ||
| OL01 | Intention to license declared | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180810 Assignee: BENSV VALVE STOCK Co.,Ltd. Assignor: NORTH CHINA University OF WATER RESOURCES AND ELECTRIC POWER Contract record no.: X2024120000043 Denomination of invention: A squeezing pump Granted publication date: 20191105 License type: Common License Record date: 20240412 |