CN202391746U - Pneumatic pump - Google Patents
Pneumatic pump Download PDFInfo
- Publication number
- CN202391746U CN202391746U CN2011205510888U CN201120551088U CN202391746U CN 202391746 U CN202391746 U CN 202391746U CN 2011205510888 U CN2011205510888 U CN 2011205510888U CN 201120551088 U CN201120551088 U CN 201120551088U CN 202391746 U CN202391746 U CN 202391746U
- Authority
- CN
- China
- Prior art keywords
- pump housing
- impeller
- pump
- rotor
- axocoel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a pneumatic pump. A pump body (24) is hollow and mainly comprises the following three parts which are communicated with one another: a shaft chamber part, a chassis part and an upper delivery tube part. The pneumatic pump adopts compressed air as a power source and is applied to different corrosive liquids, liquids containing particles and highly-viscous, highly-volatile, combustible and highly-toxic liquids. The pneumatic pump is widely used in the fields of environmental protection, waste water treatment, ship repair and building, construction, drainage and fine chemicals and placed in different special occasions, can be used for pumping media which can not be pumped by the conventional pumps, and has a reasonable structure and a high working performance. The pneumatic pump has good promotion and application values and broad market prospects.
Description
Technical field
The utility model relates to international classifiation F04B fluid varactor machine or pump technical field, particularly a kind of improvement pneumatic pump.
Background technique
In the prior art, for the pump apparatus application area of moving source power is wider, be exactly a kind of novel conveying mechanism with pressurized air like membrane pump with pneumatic drive, also be at present domestic novel a kind of pump class.
Because pneumatic pump is used as power with air, thus flow with back pressure, i.e. the variation of resistance to flow output and adjustment automatically are suitable for the fluid of medium-high viscosity.And to be benchmark with water configure in the operation point of centrifugal pump, if be used for the high slightly fluid of viscosity, then needs supporting speed reducer or variable-frequency governor, and cost has just improved greatly, also is so same for gear pump.In addition, reliable and cost is low with pneumatic pump in inflammable and explosive environment.Like the conveying of fuel, gunpowder, explosive, because can not produce spark after the ground connection, empty calory produces in the work; Machine can be not overheated because the minimum fluid of the stirring of convection cell can be not overheated, and in the building site abominable place; Like the discharge of wastewater of building site, industrial and mineral, because the impurity in the sewage is many and complicated component; Pipeline is easy to stop up, and like this electric pump is just formed the too high situation of load, the motor feels hot rapid wear.Pneumatic pump can be adjustable through particle and flow, stops to unobstructed during line clogging automatically.
In the publication document, indivedual related art scheme are arranged also, but can not directly use; Like number of patent application number of patent application 03259557 pneumatic pump; The cylinder and the piston rod that comprise the cylinder piston formation that is provided with in the cylinder liner are connected the reciprocating pump on the cylinder piston, and the two ends of cylinder liner are respectively equipped with spring, and the two ends of cylinder piston are respectively equipped with the switching-over valve plate; The import of reciprocating pump is provided with two one-way valves, is provided with bearing support between the cylinder and piston pump and connects.Cylinder piston is provided with axial pore.Be provided with conical surface seal between switching-over valve plate and the pore.Be provided with the flat rubber sealing between switching-over valve plate and the pore.Between switching-over valve plate and the switching-over valve plate is to be rigidly connected through screw rod.
Mostly existing pneumatic pump is piston type or diaphragm type, though will be that the cylinder of power source connects as one with the reciprocating pump that has cylinder piston to drive pump piston work with the compressed gas source; Complex structure; The pore pipeline is many, is prone to cause gas path failure, influences the service behaviour of pneumatic pump.
Summary of the invention
The purpose of the utility model provides a kind of improvement pneumatic pump.
The goal of the invention of the utility model realizes through following technical measures: pump housing hollow; Mainly constitute inner cylinder, the coaxial installation rotor in the cylinder installed in the axocoel part outer end opening place of the pump housing by the axocoel part that is interconnected, chassis portion and upward defeated lumen three parts; Rotor outer rim stator blade; Loam cake is installed in cylinder and rotor outer end, and the rotor outer end is installed packing ring and stretched out the loam cake mesopore, at the setting-in bearing and back-up ring is installed and barge board; End cap is installed outside loam cake, and the perforate of end cap outer end is also installed reducer fitting; Lower cover is installed in cylinder and rotor inner end; Coaxial successively installation cushion cover and impeller shaft behind the lower cover are stretched out in rotor axis inner end; The impeller shaft outer end is connected with rotor axis inner end key, and at this connection part, the rotor axis is socket packing ring, oil sealing, radial ball bearing and back-up ring successively; It is oblate that pump housing chassis portion inner chamber is, and impeller is installed in the pump housing chassis portion inner chamber through flat key is coaxial with impeller shaft, in wheel bottom bottom and suction cover is installed successively; Between impeller outer edge and pump housing chassis portion inwall, form doughnut, defeated lumen partly is communicated with on the local cavity of this doughnut and the pump housing, fail lumen this on and partly partly become 180 ° of directions to turn back with the axocoel of the pump housing, and in the outlet port connecting tube joint.
The beneficial effect of the utility model is, employing pressurized air is power source, for various corrosive liquids, and the liquid of band particle, high viscosity, volatile, inflammable, hypertoxic liquid.Adaptable across environmental protection, waste water treatment, produce and repair ship, in building, blowdown, the fine chemistry industry, be placed in various special occasions, can be used to pump the medium that various conventional pumps can not be aspirated, rational in infrastructure, the service behaviour of pump improves.Excellent popularization using value and market prospects are arranged.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Reference character comprises: reducer fitting 1, end cap 2, barge board 3, loam cake 4, packing ring 5, exhaust hood 6, cylinder 7, blade 8; Rotor 9, malthoid 10, oil sealing 11, screw 12, cushion cover 13, back-up ring 14, impeller shaft 15, straight pin 16; Piece together mother 17, bottom 18, impeller 19, nut 20, suction cover 21, lining 22, salamandrite bed 23, the pump housing 24; Pipe joint 25, lower cover 26, pump line 27, radial ball bearing 28, nut 29, hex head bolt 30, flat key 31.
Embodiment
The utility model housing main body member is made up of end cap 2, bottom 18, suction cover 21, the pump housing 24 and pipe joint 25, and wherein, the pump housing 24 is the main composition part.
The pump housing 24 hollows mainly are made up of the axocoel part that is interconnected, chassis portion and upward defeated lumen three parts, the inner cylinder 7 of installing in the axocoel part outer end opening place of the pump housing 24; Coaxial installation rotor 9 in the cylinder 7, rotor 9 outer rim stator blades 8, cylinder 7 is installed loam cake 4 with rotor 9 outer ends; Rotor 9 outer ends are installed packing ring 5 and are stretched out loam cake 4 mesopores; At the setting-in bearing and back-up ring 14 and barge board 3 are installed, installation end cap 2 loam cake 4 outside, end cap 2 outer end perforates are also installed reducer fitting 1; Cylinder 7 is installed lower cover 26 with rotor 9 inner ends; Coaxial successively installation cushion cover 13 and impeller shaft 15 behind the lower cover 26 are stretched out in rotor 9 axis inner ends; Impeller shaft 15 outer ends are connected with rotor 9 axis inner end keys; At this connection part, rotor 9 axis are socket packing ring 5, oil sealing 11, radial ball bearing 28 and back-up ring 14 successively; It is oblate that the pump housing 24 chassis portion inner chambers are, and impeller 19 and impeller shaft 15 are installed bottom 18 successively and covered 21 with suction through flat key 31 coaxial being installed in the pump housing 24 chassis portion inner chambers in impeller 19 bottoms; Between impeller 19 outer rims and the pump housing 24 chassis portion inwalls, form doughnut, defeated lumen partly is communicated with on the local cavity of this doughnut and the pump housing 24, fail lumen this on and partly partly become 180 ° of directions to turn back with the axocoel of the pump housing 24, and in the outlet port connecting tube joint 25.
Between the axocoel part outer end opening place inwall of cylinder 7 outer walls and the pump housing 24 the annular groove-shaped gap is arranged, the axocoel part outer end opening place outer wall that this gap sees through the pump housing 24 has relief opening, and exhaust hood 6 is installed on this relief opening.
Edge, loam cake 4 outer end is fastening with screw 12 through packing ring 5 is installed with end cap 2 junction planes, and exhaust hood 6 is fixed on through screw 12 on the axocoel part outer end opening place outer wall of the pump housing 24, between loam cake 4 and cylinder 7 ends edge straight pin 16 is installed.
Impeller 19 is installed oil sealing 11, packing ring 5 with impeller shaft 15 connection parts, is pieced together mother 17 and lining 22.
The pump housing 24 connects outlet pipe through pipe joint 25 and forms pump line 27.
In the utility model embodiment, oil sealing 11 is the iron-clad oil sealing.Back-up ring 14 is a circlip for hole.
Salamandrite bed 23 is oil resistant rubber asbestos seal pad or kraft paper sealing gasket.The pump housing 24 adopts metallic material casting or composite injection moulding to process.Flat key 31 is two round end keies.
The utility model is when work; Pressurized air is inserted by reducer fitting 1; Pressurized air promotes blade 8 and drives rotor 9 rotations to produce moment of torsion, by impeller shaft 15 moment of torsion is passed to impeller 19, impeller 19 rotations; In the pump housing 24 bottom inner chambers, form negative pressure, the liquid outside the pump housing 24 bottoms sees through 21 entering of suction cover and promotes supercharging through impeller 19 rotations and raised up by pump line 27.
As a kind of pneumatic pump of embodiment's type of the utility model, lift 20m, flow 335L/min; Air pressure 0.63Mpa, racing speed≤6000r/min, specific power air consumption≤50L/skw; Inlet/outlet thread size G1/2in; Air hose diameter 19mm, the high 440mm of machine, net weight 17kg.
The utility model is applicable to sewage, the sump oil of all trades and professions such as shipbuilding, colliery, building, power station, chemical industry, the irrigation and drainage of ponding, is the ideal tools of abominable working environment such as inflammable and explosive grade.
In the utility model, do not have complicated control system, do not have cable, safety fuse cutout etc.Volume is little, in light weight, is convenient to move, and does not need ground, and floor space is little; Simple installation economy can be used as portable material-handling pump, and in harmfulness, the processing of corrosive material were arranged, pneumatic pump can separate the material and the external world fully; Or guarantee there is not the contaminating impurity raw material in some tests, also can be used for carrying the more unsettled fluid of chemical property, as: sensitive material, flocculation liquid etc., this is because the shearing force of diaphragm pump is low; Physical influence to material is little, and compressed air is the process of a swelling heat absorption when exhaust; Superheating phenomenon can not occur, temperature reduces during pneumatic pump work, and no harmful gas is discharged; Can not produce electrical spark without electrical actuation power, prevent static spark after the ground connection again; Shearing force to material is extremely low: be how how inspiration spues during work, thus minimum to the stirring of material, be applicable to the conveying of unstable material; The flow can regulate can install throttle valve additional at the material outlet place and regulate flow, have the function of self-priming, in addition, the work of can also diving under water, the fluid that can carry is very extensive, from low viscous to full-bodied, obtains thickness from corrosivity.
These embodiments only are used to explain the present invention, and are not used in restriction scope of the present invention.
Claims (6)
1. pneumatic pump is characterized in that: the pump housing (24) hollow, mainly by the axocoel part, the chassis portion that are interconnected with go up defeated lumen three parts and constitute; The inner cylinder (7) of installing in the axocoel part outer end opening place of the pump housing (24); Coaxial installation rotor (9) in the cylinder (7), rotor (9) outer rim stator blade (8), loam cake (4) is installed in cylinder (7) and rotor (9) outer end; Rotor (9) outer end is installed packing ring (5) and is stretched out loam cake (4) mesopore; At the setting-in bearing and back-up ring (14) is installed and barge board (3), end cap (2) is installed outside loam cake (4), end cap (2) outer end perforate is also installed reducer fitting (1); Lower cover (26) is installed in cylinder (7) and rotor (9) inner end; Coaxial successively installation cushion cover (13) and impeller shaft (15) behind the lower cover (26) are stretched out in rotor (9) axis inner end; Impeller shaft (15) outer end is connected with rotor (9) axis inner end key; At this connection part, rotor (9) axis is socket packing ring (5), oil sealing (11), radial ball bearing (28) and back-up ring (14) successively; It is oblate that the pump housing (24) chassis portion inner chamber is, and impeller (19) is installed in the pump housing (24) the chassis portion inner chamber through flat key (31) is coaxial with impeller shaft (15), in impeller (19) bottom bottom (18) and suction cover (21) is installed successively; Between impeller (19) outer rim and the pump housing (24) chassis portion inwall, form doughnut; The local cavity of this doughnut is gone up defeated lumen with the pump housing (24) and partly is communicated with; Should go up defeated lumen part and partly become 180 ° of directions to turn back with the axocoel of the pump housing (24), and in the outlet port connecting tube joint (25).
2. pneumatic pump as claimed in claim 1; It is characterized in that: between the axocoel part outer end opening place inwall of cylinder (7) outer wall and the pump housing (24) the annular groove-shaped gap is arranged; The axocoel part outer end opening place outer wall that this gap sees through the pump housing (24) has relief opening, and exhaust hood (6) is installed on this relief opening.
3. pneumatic pump as claimed in claim 1; It is characterized in that; Loam cake (4) edge, outer end is fastening through packing ring (5) and screw (12) are installed with end cap (2) junction plane; Exhaust hood (6) is fixed on through screw (12) on the axocoel part outer end opening place outer wall of the pump housing (24), between loam cake (4) and cylinder (7) end edge straight pin (16) is installed.
4. pneumatic pump as claimed in claim 1; It is characterized in that; Cushion cover (13) is socketed in outside the impeller shaft (15), is connected the location through bearing between cushion cover (13) and impeller shaft (15), and the axocoel part outer wall perforate mounting screw (12) of the pump housing (24) is located cushion cover (13) outer wall.
5. pneumatic pump as claimed in claim 1 is characterized in that, impeller (19) is installed oil sealing (11), packing ring (5) with impeller shaft (15) connection part, pieced together female (17) and lining (22).
6. according to claim 1 or claim 2 pneumatic pump; It is characterized in that; Suction cover (21) compresses bottom (18) and is installed in the pump housing (24) chassis portion opening through nut (29), salamandrite bed (23) and hex head bolt (30); Bottom (18) inner edge is adjacent to impeller (19), and nut (20) is installed at bottom (18) axis hole place, and the inboard concave hole base socket joint of this nut (20) passes impeller shaft (15) end of impeller (19) central axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205510888U CN202391746U (en) | 2011-12-26 | 2011-12-26 | Pneumatic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205510888U CN202391746U (en) | 2011-12-26 | 2011-12-26 | Pneumatic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391746U true CN202391746U (en) | 2012-08-22 |
Family
ID=46666676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205510888U Expired - Fee Related CN202391746U (en) | 2011-12-26 | 2011-12-26 | Pneumatic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243476A (en) * | 2017-09-15 | 2021-01-19 | 塞尔坎·纳西尔 | Submersible pump motor capable of working by compressed air |
| CN114847256A (en) * | 2022-04-15 | 2022-08-05 | 山东省农业科学院 | Isolation belt-dividing pesticide spraying machine |
-
2011
- 2011-12-26 CN CN2011205510888U patent/CN202391746U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243476A (en) * | 2017-09-15 | 2021-01-19 | 塞尔坎·纳西尔 | Submersible pump motor capable of working by compressed air |
| CN114847256A (en) * | 2022-04-15 | 2022-08-05 | 山东省农业科学院 | Isolation belt-dividing pesticide spraying machine |
| CN114847256B (en) * | 2022-04-15 | 2024-03-08 | 山东省农业科学院 | Isolation belt medicine spraying machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180045202A1 (en) | Pump system for high pressure application | |
| CN202209282U (en) | High-cavitation-resistance quick self sucking pump | |
| CN102066693A (en) | Device with rotary pistons that can be used as a compressor, a pump, a vacuum pump, a turbine, a motor and as other driving and driven hydraulic-pneumatic machines | |
| CN202203121U (en) | Special pump and pump group for fast emergency rescue | |
| CN202391746U (en) | Pneumatic pump | |
| KR20080014658A (en) | Two stage conical liquid ring pump having removable manifold, shims and first and second stage head o-ring receiving boss | |
| CN103388589B (en) | Vertical water ring vacuum pump | |
| CN105003443A (en) | Energy saving type centrifugal water pump | |
| CN204060656U (en) | A kind of pressure break pump truck that can realize self-suction discharge | |
| CN202165283U (en) | Vacuum pump | |
| CN207647789U (en) | A kind of self priming pump of machinery automatic control vacuum aided | |
| CN2554392Y (en) | Self-priming vertical multi-stage centrifugal pump | |
| KR100438083B1 (en) | Pump by using a disuse tire | |
| CN105179257A (en) | Environmentally-friendly and energy-saving type vertical single-suction pipeline centrifugal pump and mounting method | |
| CN206419264U (en) | A kind of sprinkling truck water pump | |
| CN205172971U (en) | Novel vertical pipeline centrifugal pump | |
| CN105275805B (en) | A kind of oil injection type double-screw compressor | |
| CN204017469U (en) | A kind of high leakproofness feed arrangement of filter press | |
| CN201615063U (en) | Flow-guider-type level and middle-opened double-suction pump | |
| CN202500782U (en) | Full-automatic ground sewage lift pump assembly | |
| CN102797705B (en) | Universal submersible pump for land and water | |
| CN215805002U (en) | Easily maintained hydraulic plunger pump device resistant to high inlet pressures | |
| CN213205993U (en) | Self-suction type steady flow anti-vibration centrifugal pump | |
| CN201896761U (en) | Submersible pump with double outlets | |
| CN206592341U (en) | A kind of pump housing with Discharging bent-tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131226 |