CN104500406B - A kind of paint pump - Google Patents
A kind of paint pump Download PDFInfo
- Publication number
- CN104500406B CN104500406B CN201410648449.9A CN201410648449A CN104500406B CN 104500406 B CN104500406 B CN 104500406B CN 201410648449 A CN201410648449 A CN 201410648449A CN 104500406 B CN104500406 B CN 104500406B
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- China
- Prior art keywords
- pump housing
- power transmission
- transmission shaft
- partition wall
- impeller
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- 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
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- 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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 paint pump, belong to fluid pump technical field, it includes the pump housing, pump housing one end is provided with charging aperture, the other end is provided with Vorticose swirl channel, it is provided with a partition wall near charging aperture in the pump housing, a mounting cylinder it is provided with in the pump housing between partition wall and plunger, mounting cylinder is rotatablely equipped with a power transmission shaft, power transmission shaft is installed with a rotation dish, pressure balance chamber is formed between rotation dish and the bottom of mounting cylinder, install in cavity and be provided with a floating disc, power transmission shaft is installed with the first impeller, passage gaps is formed between floating disc and rotation dish, mounting cylinder is provided with some through holes corresponding with passage gaps position；Being installed with the second impeller for directing fluid into swirl channel on power transmission shaft, the end of swirl channel is provided with discharging opening, and the pump housing is provided with the connecting tube of a connection pressure source and pressure balance chamber.The invention solves the technical problem that current paint pump suction volume is not enough, delivery efficiency is low, be widely used in during fluid carries continuously.
Description
Technical field
The present invention relates to a kind of pump, relate more particularly to a kind of paint pump, belong to fluid pump technical field.
Background technology
Paint pump is a kind of fluid foods conveyer device, is particularly well-suited to carry the material of not allowable damage, as fruit grain orange, containing the cosmetics of activating agent, Blood Preparations, bio-pharmaceuticals, preparation, containing the sucrose of additive, maltose etc..
Saying kind, paint pump is broadly divided into plunger displacement pump and impeller pump, and wherein, impeller pump is widely used to be not easily blocked in its course of conveying.
But, in application and spraying field, the granularity of the fluid foods of output there is is strict demand, the large granular materials being not allow for exceeding standard exports to affect spraying effect.In order to solve this problem, existing treatment measures are add filter plant on the pipeline of conveying material, but after increasing filter plant, often affect the flow of material conveying, especially filter plant can result in blockage after using a period of time, thus causing the suction volume deficiency of paint pump, affect delivery efficiency.
Therefore, for developing a kind of new paint pump, changing traditional version, not only have urgent researching value, it may have good economic benefit and commercial Application potentiality, this power place that present invention is accomplished just and basis are leaned on.
Summary of the invention
In order to overcome the defect of existing paint pump as indicated above, this is conducted in-depth research by the present inventor, after having paid a large amount of creative work, thus completing the present invention.
Specifically, the technical problem to be solved is: provide a kind of paint pump, and to solve, current paint pump suction volume is not enough, export the technical problem that granularity requirements is low, delivery efficiency is low.
nullFor solving above-mentioned technical problem，A kind of paint pump of offer is provided，Described paint pump includes the pump housing，Described pump housing one end is provided with charging aperture，The other end is provided with Vorticose swirl channel，It is provided with a partition wall near described charging aperture in the described pump housing，It is provided with a mounting cylinder in the described pump housing between described partition wall and the second impeller，The installation cavity of closing is formed between described mounting cylinder and partition wall，Described mounting cylinder is rotatablely equipped with a power transmission shaft，Described power transmission shaft runs through described installation cavity，Described power transmission shaft one end passes described mounting cylinder，The other end passes described partition wall，It is positioned on the described power transmission shaft of described installation cavity and is installed with a rotation dish，Pressure balance chamber is formed between described rotation dish and the bottom of described mounting cylinder，Between described partition wall and rotation dish, a floating disc it is provided with in described installation cavity，A platen it is provided with between described floating disc and partition wall，Described platen is provided with adjustment stud，Described adjustment stud passes described partition wall and threadeds with described partition wall，Some compression springs it are provided with between described platen and floating disc，Under described compression spring effect，Described floating disc and described rotation dish end face offset，Described power transmission shaft is installed with the first impeller，The described first impeller described floating disc of traverse and described partition wall，On described first impeller, circular array shows the blade of some radial arrangement，Feeding-passage is formed between blade described in adjacent two，Described feeding-passage is connected with described charging aperture，Passage gaps is formed between described floating disc and rotation dish，Described mounting cylinder is provided with the through hole that some and described passage gaps position is corresponding，Described through hole is connected with described feeding-passage by described passage gaps；The area of section of described swirl channel is outwards become larger by vortex center, the vortex center of described power transmission shaft and described swirl channel is coaxially disposed, described power transmission shaft is installed with the second impeller for directing fluid into described swirl channel, described second impeller is provided with some helical blades, the radius of gyration of the described helical blade of the import of close described swirl channel is more than the radius of gyration of the described helical blade of the import away from described swirl channel, the end of described swirl channel is provided with discharging opening, the described pump housing is provided with the connecting tube in a Bonding pressure source, described connecting tube connects described pressure balance chamber.
In the described paint pump of the present invention, improving as one, the described pump housing is provided with an end cap, and described swirl channel is between the described pump housing and end cap, and described power transmission shaft passes described end cap.
In the described paint pump of the present invention, as further improvement, described power transmission shaft is installed with a tapered sleeve, is provided with the first sealing member between described tapered sleeve and described end cap, between described end cap and the pump housing, is provided with the second sealing member.
In the described paint pump of the present invention, as further improvement, the top of described first impeller is provided with a closure plate, and the end of all described blades all relies on described closure plate.
In the described paint pump of the present invention, as further improvement, the edge of described closure plate is provided with an annular protrusion, and all described blades all retrain and are installed in described annular protrusion.
In the described paint pump of the present invention, as further improvement, the described pump housing is provided with a back flushing interface, and described back flushing interface is arranged near described through hole.
In the described paint pump of the present invention, as further improvement, the described pump housing is provided with a slag-drip opening, and described slag-drip opening is between described partition wall and floating disc.
In the described paint pump of the present invention, improving as one, the described pump housing is provided with the first Pressure gauge near described charging aperture, described connecting tube is provided with the second Pressure gauge, and described connecting tube Bonding pressure regulates valve.
After have employed technique scheme, the paint pump of the present invention achieves many beneficial effects, for instance:
(1) there are some through holes owing to the circumferential array of mounting cylinder is distributed, substantially increasing charging area, thus substantially increasing the suction volume of paint pump；Owing to forming passage gaps between floating disc and rotation dish, strictly control the granularity of outputting material, and the size of passage gaps can be adjusted by the pretightning force of compression spring, decrease large granular materials output phenomenon, meet the smooth and easy circulation of different material, and use the charging of this structure, while second wheel rotation discharge, negative pressure is formed in the impeller cavity of paint pump, further increase the suction volume of paint pump, the setting of swirl channel, fluid foods is discharged in time, second impeller will not be produced back pressure, substantially increase the delivery efficiency of material；This structure serviceability is relatively reliable, is suitable for non-maintaining working continuously.
(2) owing to the edge of closure plate is provided with an annular protrusion, all blades all retrain and are installed in annular protrusion, effectively prevent blade and depart from impeller under centrifugal action, add the structural strength of the first impeller, improve the service life of impeller.
(3) owing to the pump housing is provided with a back flushing interface, when needing to clean, back flushing interface can connecting compression air or pressure water source, rotate backward power transmission shaft simultaneously, rotating backward of the second impeller forms malleation so that impeller cavity is interior, suck the opposite direction discharging material to be removed by the impurity in paint pump according to paint pump, need not to be removed cleaning, easy to use, it is especially suitable for the maintenance of the paint pump worked continuously for a long time, can be implemented in line to clean, thus improve transfer efficiency.
(4) owing to being provided with slag-drip opening between partition wall and floating disc so that under centrifugal action, isolated large granular materials can discharge paint pump smoothly.
(5) owing to swirl channel is between the pump housing and end cap, one end face of end cap forms a cavity wall of swirl channel, the main part of swirl channel is then positioned on the pump housing and forms a uncovered conduit wall, the design of this structure enormously simplify the processing technology of swirl channel, traditional sand casting is used to complete, thus reducing the production cost of paint pump.
(6) due to pressure balance chamber Bonding pressure source, can pass through to adjust pressure-regulating valve, the pressure making pressure balance intracavity is suitable with feed pressure, it is possible to avoids fluid foods to enter into pressure balance intracavity, overcomes the defect that the material of pressure balance intracavity is difficult to clean off.
As it has been described above, the invention provides a kind of paint pump, this paint pump can be widely used in multiple technical field because having multiple excellent properties, has a good application prospect and industrialization potential.
Accompanying drawing explanation
Fig. 1 is the structural representation of paint pump described in the embodiment of the present invention；
Fig. 2 is the cross section structure schematic diagram of swirl channel in paint pump described in the embodiment of the present invention；
Fig. 3 is the cutaway view Amplified image of A-A in Fig. 1；
Fig. 4 is the structural representation of another kind of paint pump in the embodiment of the present invention.
Wherein, in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, each number designation refers to following concrete meaning, element and/or parts respectively.
nullIn figure: 1、Upper pump casing，2、Platen，3、Compression spring，4、Discharging opening，5、End cap，6、Through hole，7、Swirl channel，8、Back flushing interface，9、Lower pump body，10、Impeller cavity，11、Second impeller，12、Power transmission shaft，13、Helical blade，14、Tapered sleeve，15、Conical seal (contact) face，16、Cylindricality spigot surface，17、First sealing member，18、Second sealing member，19、Rotation dish，20、Annular groove，21、Passage gaps，22、Floating disc，23、Mounting cylinder，24、Slag-drip opening，25、Partition wall，26、Adjust stud，27、First impeller，2701、Closure plate，2702、Wheel case，2703、Blade，2704、Annular protrusion，28、Charging aperture，29、Feeding-passage，30、Pressure balance chamber，31、Connecting tube，32、First Pressure gauge，33、Second Pressure gauge，34、Pressure-regulating valve.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and purpose are only used for enumerating the present invention, not the real protection scope of the present invention is constituted any type of any restriction, more non-protection scope of the present invention is limited thereto.
nullSuch as Fig. 1、Fig. 2 and Fig. 3 jointly shown in，A kind of paint pump provided by the present invention，Including the pump housing，The pump housing is straight-tube shape structure，Pump housing one end is provided with charging aperture 28，The other end is provided with Vorticose swirl channel 7，It is provided with a partition wall 25 near charging aperture 28 in the pump housing，A mounting cylinder 23 it is provided with in the pump housing between partition wall 25 and trilobed wheel 11，The installation cavity of closing is formed between mounting cylinder 23 and partition wall 25，Mounting cylinder 23 is rotatablely equipped with a power transmission shaft 12，Power transmission shaft 12 runs through installation cavity，Power transmission shaft 12 one end passes mounting cylinder 23，The other end passes partition wall 25，It is positioned on the power transmission shaft 12 installing cavity and is installed with a rotation dish 19，Pressure balance chamber 30 is formed between the bottom of rotation dish 19 and mounting cylinder 23，Rotation dish 19 is provided with some the annular grooves 20 being the center of circle with rotation dish 19 center，The effect of annular groove 20 is to hold partial impurities，Impurity is avoided to pass through passage gaps 21，Install in cavity between partition wall 25 and rotation dish 19, be provided with a floating disc 22，A platen 2 it is provided with between floating disc 22 and partition wall 25，Platen 2 is provided with adjustment stud 26，Adjust stud 26 pass partition wall 25 and threaded with partition wall 25，Some compression springs 3 it are provided with between platen 2 and floating disc 22，Under compression spring 3 effect，Floating disc 22 and rotation dish 19 end face offset，When there being bulky grain to pass through，Can cause that compression spring 3 compresses，Bulky grain is just contained in annular groove 20，Now compression spring 3 just return，Continue to keep original passage gaps 21，Bulky grain in annular groove 20 is then difficult to enter back into passage gaps 21，Power transmission shaft 12 is installed with one first impeller 27，First impeller 27 traverse floating disc 22 and partition wall 25，On first impeller 27, circular array shows the blade 2703 of some radial arrangement，Feeding-passage 29 is formed between adjacent two blades 2703，Feeding-passage 29 is connected with charging aperture 28，Passage gaps 21 is formed between floating disc 22 and rotation dish 19，Mounting cylinder 23 is provided with some through holes 6 corresponding with passage gaps 21 position，Through hole 6 is connected with feeding-passage 29 by passage gaps 21，Under the effect of the first impeller 27，Large granular materials hardly enters in feeding-passage 29，One barrier is played at charging aperture 28；nullThe area of section of swirl channel 7 is outwards become larger by vortex center，The vortex center of power transmission shaft and swirl channel 7 is coaxially disposed，Power transmission shaft is installed with the second impeller 11 for directing fluid into swirl channel 7，Impeller cavity 10 is formed between mounting cylinder 23 and swirl channel 7，Second impeller 11 is provided with some helical blades 13，Second impeller 11 is positioned at the lower end import near swirl channel 7 of impeller cavity 10 and helical blade 13，When power transmission shaft 12 rotates forward，Material is imported in swirl channel 7 by helical blade 13，Negative pressure is formed in impeller cavity 10，When power transmission shaft 12 rotates backward，High pressure is then formed in impeller cavity 10，Shape and rotation direction as helical blade 13，Those skilled in the art can according to forward and reverse relative set of power transmission shaft 12，Do not repeat them here，The radius of gyration of the helical blade 13 of the import of close swirl channel 7 is more than the radius of gyration of the helical blade 13 of the import away from swirl channel 7，The end of swirl channel 7 is provided with discharging opening 4，The pump housing is provided with the connecting tube 31 in a Bonding pressure source，Connecting tube 31 connects pressure balance chamber 30 and pressure source，Pressure source is generally pressure water source or compressed gas source or other are with the fluid media (medium) of pressure，Compressed gas source can cause material bubbles，Cause output fluid unstable，It is preferred to pressure water source.
The pump housing is provided with an end cap 5, swirl channel 7 is between the pump housing and end cap 5, power transmission shaft 12 passes end cap 5, one end face of end cap 5 forms a cavity wall of swirl channel 7, the main part of swirl channel 7 is then positioned on the pump housing and forms a uncovered conduit wall, make the pump housing and end cap 5 be collectively forming swirl channel 7, simplify the processing technology of swirl channel 7.Concrete, power transmission shaft 12 is installed with a tapered sleeve 14, and tapered sleeve 14 and power transmission shaft 12 form interference fit, tapered sleeve 14 has a conical seal (contact) face 15 and a cylindricality spigot surface 16, corresponding, end cap 5 is also formed the structure suitable with tapered sleeve 14 shape, the first sealing member 17 it is provided with between tapered sleeve 14 and end cap 5, first sealing member 17 is arranged on cylindricality spigot surface 16, the second sealing member 18 it is provided with between end cap 5 and the pump housing, second sealing will be used for sealing swirl channel 7, it is prevented that swirl channel 7 leaks.At this, the first sealing member 17 and the second sealing member 18 are both preferably O-ring seals.
nullFirst impeller 27 includes the wheel case 2702 being set on power transmission shaft 12，It is in transmission connection by key between wheel case 2702 and power transmission shaft 12，The top of the first impeller 27 is provided with a closure plate 2701，This closure plate 2701 is positioned at the end of wheel case 2702，The end of all blades 2703 all relies on closure plate 2701，The edge of closure plate 2701 is provided with an annular protrusion 2704，All blades 2703 all retrain and are installed in annular protrusion 2704，Inventor is when making the first impeller 27，In order to ensure its dynamic balancing，Wheel case 2702 processes the some draw-in grooves identical with blade 2703 thickness，And correspondence position also processes quantity and the identical some slots of width on closure plate 2701，Blade 2703 is just inserted in draw-in groove and slot (with reference to Fig. 3)，Blade 2703 is fixed between closure plate 2701 and wheel case 2702 by the mode re-using spot welding.When first impeller 27 does dynamic balance check, then use weighting procedure correction, increase solder joint in scarce heavy position, the fastness of blade 2703 can either be ensured, can guarantee that again its dynamic balancing.
The pump housing is provided with a back flushing interface 8, back flushing interface 8 is arranged near through hole 6, when needing to clean, back flushing interface 8 can be connected compression air or pressure water source, suck the opposite direction discharging material to be removed by the impurity in paint pump according to paint pump, need not to be removed cleaning, easy to use, it is especially suitable for the maintenance of the paint pump worked continuously for a long time.
The pump housing is provided with a slag-drip opening 24, slag-drip opening 24 is between partition wall 25 and floating disc 22, during normal operation, slag-drip opening 24 uses plug to block, when carrying out adverse current backwash, rotate and adjust stud 26, expand the spacing of passage gaps 21 between floating disc 22 and rotation dish 19, rotate backward power transmission shaft 12, so that the second impeller 11 rotates backward, in impeller cavity 10, form high pressure, the material in impeller cavity 10 and impurity are discharged, open slag-drip opening 24, the impurity between partition wall 25 and floating disc 22 is discharged.
In concrete practice process, the pump housing is divided into upper pump casing 1 and lower pump body 9 by inventor, charging aperture 28 is positioned on upper pump casing 1, end cap 5 is installed on lower pump body 9, swirl channel 7 is then between lower pump body 9 and end cap 5, mounting cylinder 23 is arranged between upper pump casing 1 and lower pump body 9, during installation, first assemble mounting cylinder 23, by power transmission shaft 12, rotation dish 19, floating disc 22, platen 2, first impeller 27 is installed with mounting cylinder 23 successively and is connected, then the pump housing 1 is reconnected, again the second impeller 11 is arranged on power transmission shaft 23, closure end cap 5, assembling tapered sleeve 14, this structure is easily installed and safeguards.
The pump housing is provided with the first Pressure gauge 32 near charging aperture 28, specifically, first Pressure gauge 32 is arranged on upper pump casing 1, for detecting feed pressure, connecting tube 31 is provided with the second Pressure gauge 33, second Pressure gauge 33 is for detecting the pressure in pressure balance chamber 30, connecting tube 31 Bonding pressure regulates valve 34, data by the first Pressure gauge 32 and the second Pressure gauge 33, adjust pressure-regulating valve 34, make the pressure in pressure balance chamber 30 suitable with feed pressure, fluid foods can be avoided to enter in pressure balance chamber 30, overcome the defect that the material in pressure balance chamber 30 is difficult to clean off.As shown in Figure 4, as a kind of scheme more optimized, use pipeline 35 that pressure-regulating valve 34 is connected swirl channel 7, link is near the position of discharging opening 4, directly use the segment fluid flow material discharged as pressure source, the cleannes in pressure balance chamber 30 can either be ensured, ensure that again material concentration, it is to avoid other media secondary pollutions to material.
Its work process is as follows:
Material is entered upper pump casing 1 by charging aperture 28, the continuous rotation of the second impeller 11, material is sucked and discharges, first material is screened by the centrifugal force of the first impeller 27 in charging aperture 28 position, large granular materials discharges charging aperture 28, enter a small amount of bulky grain of feeding-passage 29 in the rotation process of blade 2703, continue to be got rid of the inwall to mounting cylinder 23 by centrifugal force, fluid granularity eventually through passage gaps 21 is little, and impurity is few, it is ensured that discharge the quality of material, this mechanism's suction volume is big, being especially suitable for the environment worked continuously, it is not necessary to often safeguard, efficiency is high.
Should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit the scope of the invention.In addition; it is also contemplated that; after the technology contents having read the present invention, the present invention can be made various change, amendment and/or modification by those skilled in the art, and all these equivalent form of value falls within the application appended claims protection defined equally.
Claims (8)
- null1. a paint pump，Including the pump housing，It is characterized in that: described pump housing one end is provided with charging aperture，The other end is provided with Vorticose swirl channel，It is provided with a partition wall near described charging aperture in the described pump housing，It is provided with a mounting cylinder in the described pump housing between described partition wall and the second impeller，The installation cavity of closing is formed between described mounting cylinder and partition wall，Described mounting cylinder is rotatablely equipped with a power transmission shaft，Described power transmission shaft runs through described installation cavity，Described power transmission shaft one end passes described mounting cylinder，The other end passes described partition wall，It is positioned on the described power transmission shaft of described installation cavity and is installed with a rotation dish，Pressure balance chamber is formed between described rotation dish and the bottom of described mounting cylinder，Between described partition wall and rotation dish, a floating disc it is provided with in described installation cavity，A platen it is provided with between described floating disc and partition wall，Described platen is provided with adjustment stud，Described adjustment stud passes described partition wall and threadeds with described partition wall，Some compression springs it are provided with between described platen and floating disc，Under described compression spring effect，Described floating disc and described rotation dish end face offset，Described power transmission shaft is installed with the first impeller，The described first impeller described floating disc of traverse and described partition wall，On described first impeller, circular array shows the blade of some radial arrangement，Feeding-passage is formed between blade described in adjacent two，Described feeding-passage is connected with described charging aperture，Passage gaps is formed between described floating disc and rotation dish，Described mounting cylinder is provided with the through hole that some and described passage gaps position is corresponding，Described through hole is connected with described feeding-passage by described passage gaps；The area of section of described swirl channel is outwards become larger by vortex center, the vortex center of described power transmission shaft and described swirl channel is coaxially disposed, described power transmission shaft is installed with the second impeller for directing fluid into described swirl channel, described second impeller is provided with some helical blades, the radius of gyration of the described helical blade of the import of close described swirl channel is more than the radius of gyration of the described helical blade of the import away from described swirl channel, the end of described swirl channel is provided with discharging opening, the described pump housing is provided with the connecting tube in a Bonding pressure source, described connecting tube connects described pressure balance chamber.
- 2. paint pump as claimed in claim 1, it is characterised in that: the described pump housing is provided with an end cap, and described swirl channel is between the described pump housing and end cap, and described power transmission shaft passes described end cap.
- 3. paint pump as claimed in claim 2, it is characterised in that: described power transmission shaft is installed with a tapered sleeve, is provided with the first sealing member between described tapered sleeve and described end cap, between described end cap and the pump housing, is provided with the second sealing member.
- 4. paint pump as claimed in claim 1, it is characterised in that: the top of described first impeller is provided with a closure plate, and the end of all described blades all relies on described closure plate.
- 5. paint pump as claimed in claim 4, it is characterised in that: the edge of described closure plate is provided with an annular protrusion, and all described blades all retrain and are installed in described annular protrusion.
- 6. paint pump as claimed in claim 1, it is characterised in that: the described pump housing is provided with a back flushing interface, and described back flushing interface is arranged near described through hole.
- 7. paint pump as claimed in claim 1, it is characterised in that: the described pump housing is provided with a slag-drip opening, and described slag-drip opening is between described partition wall and floating disc.
- 8. the paint pump as described in any one of claim 1-7, it is characterised in that: being provided with the first Pressure gauge near described charging aperture on the described pump housing, described connecting tube is provided with the second Pressure gauge, and described connecting tube Bonding pressure regulates valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648449.9A CN104500406B (en) | 2014-11-14 | 2014-11-14 | A kind of paint pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648449.9A CN104500406B (en) | 2014-11-14 | 2014-11-14 | A kind of paint pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500406A CN104500406A (en) | 2015-04-08 |
| CN104500406B true CN104500406B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410648449.9A Active CN104500406B (en) | 2014-11-14 | 2014-11-14 | A kind of paint pump |
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| Country | Link |
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| CN (1) | CN104500406B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825508B (en) * | 2018-07-27 | 2023-11-17 | 上海长征泵阀（集团）有限公司 | Energy-saving pump |
| CN109681438A (en) * | 2018-12-27 | 2019-04-26 | 大连利欧华能泵业有限公司 | Self-adjustable mixing pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205495A (en) * | 1987-02-18 | 1988-08-24 | アルカディー、イサーコウィッチ、ゾロタル | Centrifugal pump treating liquid containing abrasive solid grain |
| CN2685615Y (en) * | 2004-03-19 | 2005-03-16 | 上海凯泉泵业（集团）有限公司 | Self-suction non-plugging blowoff unit contruction pump |
| CN201202678Y (en) * | 2008-04-15 | 2009-03-04 | 吴俊� | Pump special for sugar industry emulsifying mortar |
-
2014
- 2014-11-14 CN CN201410648449.9A patent/CN104500406B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63205495A (en) * | 1987-02-18 | 1988-08-24 | アルカディー、イサーコウィッチ、ゾロタル | Centrifugal pump treating liquid containing abrasive solid grain |
| CN2685615Y (en) * | 2004-03-19 | 2005-03-16 | 上海凯泉泵业（集团）有限公司 | Self-suction non-plugging blowoff unit contruction pump |
| CN201202678Y (en) * | 2008-04-15 | 2009-03-04 | 吴俊� | Pump special for sugar industry emulsifying mortar |
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| Publication number | Publication date |
|---|---|
| CN104500406A (en) | 2015-04-08 |
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