CN2074381U - High-efficient corrosion-resisting pump - Google Patents
High-efficient corrosion-resisting pump Download PDFInfo
- Publication number
- CN2074381U CN2074381U CN 90219047 CN90219047U CN2074381U CN 2074381 U CN2074381 U CN 2074381U CN 90219047 CN90219047 CN 90219047 CN 90219047 U CN90219047 U CN 90219047U CN 2074381 U CN2074381 U CN 2074381U
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- Prior art keywords
- pump
- roller
- cushion rubber
- rubber seal
- liquid
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Abstract
The utility model provides a high-efficient corrosion-resisting pump, characterized in that a rubber sealing ring is a double-layer structure and is provided with two partition boards; the surface of a roller is in the shape of a drum. A pump body and the corresponding roller track position are made into a concave circle arc form, and a rotating shaft is provided with four roller shafts and rollers. The utility model has the advantages of long service life for the rubber sealing ring and can adopt one kind of the rubber sealing ring to transport various acids, alkalis, the salt solution, and the edible liquid. The utility model can prevent the backflow of the liquid and improve the volume efficiency of the pump for increasing the pump flow, improving the suction lift and lift, reducing the vibration and noise, and developing a rubber seal ring type corrosion resistant rotor pump with the high flow rate for 20 meters +[3]/ hours.
Description
The utility model belongs to the corrosion-resistant rotor pump of rubber seal formula that is used for carrying acid, alkali, salt and other liquid.
Though the anti-corrosion rotor pump of existing rubber seal formula uses for a long time, but still exist several outstanding shortcomings: one, the rubber seal of individual layer is easy to break, working life low (about 200～400 hours), this is because the negative pressure of liquid sucks and the supercharging discharge is to rely on the distortion of roller extruding rubber seal to realize about 1500～2800 times/minute of the distortion number of times of rubber seal.Because the long-term roll extrusion and the friction of roller are so rubber seal is easy to generate crackle and leakage; Two, carry different types of acid, alkali, salt liquid will select the rubber seal of unlike material, make manufacturer and with feeling inconvenient per family; Three, referring to Fig. 1, Fig. 2, the surface of roller is a straight line type, and the sap cavity surface that the horizontal tangent plane of rubber seal forms is a curvilinerar figure, roller when the roller rubber seal ring the horizontal tangent plane of rubber seal than the redundance of the horizontal tangent plane lineal measure of the pump housing, just formed cavity in pump housing both sides, liquid is inevitable to be flow backwards to suction port (negative pressure) by exhaust port (positive pressure) in cavity, in the irrational volumetric loss of the inner formation of the pump housing, inefficiency, only between 13～20%, energy-saving effect is poor for efficient; Four, referring to Fig. 3, Fig. 4, existing corrosion free pump adopts the structural type of two rollers or three rollers, the suction pressure of pump and head pressure all are in the same plane, be asymmetric formula, make a concerted effort to be partial to negative cavity, thereby causing the vibration of pump and noise big, this also is to cause one of low reason of rubber seal life-span.Because vibration and noise are big, existing structural type can not be made 20 meters
3/ hour more than the rubber seal formula rotor pump of big flow; Five, the individual layer rubber seal is that gum is made, and resiliently deformable is big, and the anti-intensity that rises is little, again because the volumetric loss that liquid flows backwards in pump makes the suction journey and the lift of pump little.
The purpose of this utility model is to provide a kind of efficient corrosion-proof pump in order to overcome above-mentioned shortcoming.It can realize that rubber seal is difficult for the leakage of breaking, long service life; Can adopt a kind of rubber seal to carry different types of liquid; And can prevent that the liquid refluence from improving volumetric efficiency, and reduce vibration and noise, increase the suction journey and the lift of pump, and can develop 20 meters
3/ hour more than the anti-corrosion rotor pump of big flow.
In order to achieve the above object, the utility model comprises preceding gland (2), rotating shaft (3), bearing (4), roller positioning disk (5), roller (6), roller shaft (7), roller bearing (8), trim ring (9), fixing bolt (10), the mouth of a river (11), the pump housing (12), rubber seal (13), rear pressing cover (14), coupling (15).And being rubber seal (13), feature of the present utility model makes double layer construction into by original single layer structure, cushion rubber (18) is sleeved on the outer cushion rubber (19) promptly, two dividing plates (20) are arranged on the outer cushion rubber, during assembling, coat some French chalk between two cushion rubbers to prevent adhesion; The surface of roller (6) is made into flower-drum shape, and its corresponding raceway position of the pump housing (12) is made the circular arc that concaves; Four rolling axle (7) and roller (6) are arranged, 90 ° of each spaces in the rotating shaft (3).
For the intensity of Reinforced Rubber seal ring (13), protect interior cushion rubber (18), can improve the suction journey and the lift of pump again, netted dimension polyster fibre layer is contained in the inside of outer cushion rubber (19).
For fear of carrying liquid such as different types of acid, alkali, salt, and the trouble that will select the rubber seal (13) of unlike material to be brought pastes one deck polytetrafluoroethylene film on the surface of contact of interior cushion rubber (18) and the pump housing (12) inner chamber and liquid.
In order to eliminate eccentric force, reduce vibration and noise, the pump housing (12) go up have in every hemicycle one advance, drain opening, four mouth of a river symmetric arrangement on the circumference of the pump housing (12) inner chamber, and two grooves of placing cushion rubber dividing plates (20) are arranged.Also be correspondingly provided with two dividing plates (20) on the cushion rubber (13), so that isolation is advanced, drain opening.Roller (6) rotates a circle and can realize that liquid is two and advance doublely like this, and the radial thrust that positive and negative hydraulic pressure forms in pump chamber is cancelled out each other.Simultaneously, twoly advance double form and can reduce idle stroke again, augmented flow improves the efficient of pump.
Below in conjunction with accompanying drawing the utility model is done at large to describe.
Fig. 1, Fig. 2 are existing anti-corrosion rotor pump linarity roller work schematic representation.
Fig. 3, Fig. 4 are existing anti-corrosion rotor pump work schematic representation.
Fig. 5 is an efficient corrosion-proof pump general assembly drawing.
Fig. 6, Fig. 7 are efficient corrosion-proof pump work view.
Fig. 8 is an efficient corrosion-proof pump flower-drum shape roller work schematic representation.
Fig. 9 is an efficient corrosion-proof pump rubber seal master sectional view.
Figure 10 is an efficient corrosion-proof pump rubber seal A-A sectional view.
Figure 11 is an efficient corrosion-proof pump rubber seal left view.
Wherein (1) is base; (2) be preceding gland; (3) be rotating shaft; (4) be bearing; (5) be the roller positioning disk; (6) be roller; (7) be roller shaft; (8) be roller bearing; (9) be trim ring; (10) be fixing bolt; (11) be the mouth of a river; (12) be the pump housing; (13) be rubber seal; (14) be rear pressing cover; (15) be coupling; (16) be motor; (17) be alarm; (18) be interior cushion rubber; (19) be outer cushion rubber; (20) be dividing plate; (21) be polytetrafluoroethylene film.
An embodiment of the present utility model is as follows:
Referring to Fig. 5, Fig. 6, Fig. 7, front and back gland (2), (14), trim ring (9) is fixing by the fixing bolt (10) and the pump housing (12), in the pump housing (12) inside rubber seal (13) is housed, rotating shaft (3), roller positioning disk (5) is equipped with four rolling axle (7) and roller (6) in the rotating shaft (3).The material of the pump housing (12) is the polypropylene engineering plastics, and it and rubber seal (13) have constituted airtight sap cavity, and liquid only flows in sap cavity, and does not contact with other parts.When starting electrical machinery (16), rotating shaft (3) is rotated, and roller (6) also rotates thereupon, and it forces rubber seal (13) distortion when rotating, when rubber seal (13) distortion makes that the sap cavity volume increases gradually, produce negative pressure in the sap cavity and with liquid from the water inlet inspiration; When the rubber seal distortion makes that the volume of sap cavity reduces gradually, just the liquid supercharging is discharged from water outlet.Have in the every hemicycle of the pump housing (12) one advance, drain opening, four rolling axle (7) and roller (6) are arranged in the rotating shaft (3), rotating shaft like this (3) rotates a circle and can realize two advancing doublely, reduces idle stroke, has increased the flow of pump.Because two malleation chambeies and two negative cavities are symmetrical separately, have eliminated unbalanced force, thereby have reduced vibration and noise.
Referring to Fig. 8, roller (6) is made flower-drum shape, the its corresponding raceway position of the pump housing (12) is made the circular arc that concaves, and can make rubber seal (13) closely (rational gap be arranged) like this when work and be fitted on the pump housing (12) the inner chamber raceway face, has prevented the liquid refluence.
Referring to Fig. 9, Figure 10, Figure 11, rubber seal (13) is a double layer construction, the netted dimension polyster fibre of one deck layer is contained in outer cushion rubber (19) inside, interior cushion rubber (18) and outer cushion rubber (19) all adopt neoprene to make, has higher elasticity and the anti-intensity that rises, interior cushion rubber (18) is sleeved on the outer cushion rubber (19), because outer cushion rubber (19) contains netted dimension polyster fibre layer, therefore in working long hours, be difficult for breaking, promptly be crackle to occur, owing to be double layer construction, crackle is inwardly cushion rubber (18) expansion not.Interior cushion rubber (18) is because be subjected to the protection of outer cushion rubber (19), and the not directly roll extrusion of contact roller (6), friction even distortion (installing not at that time) be not so can crack at work.Rubber seal (13) have two be used for completely cutting off into, the dividing plate (20) of drain opening, the effect of two dividing plates (20) be for realize two advance double.
The utility model has the advantage of: rubber seal (13) is difficult for breaking, long service life, can adopt a kind of rubber seal (13) to carry different types of liquid, and can prevent that the liquid refluence from improving volumetric efficiency, increase the flow of pump, carry high suction depth and lift, noise decrease and vibration are developed 20 meters3/ hour more than the anti-corrosion impeller pump of rubber seal ring type of big flow.
Claims (3)
1, a kind of efficient corrosion-proof pump, it comprises preceding gland (2), rotating shaft (3), bearing (4), roller positioning disk (5), roller shaft (7), roller bearing (8), trim ring (9), the mouth of a river (10), and the pump housing (12), rear pressing cover (14), coupling (15) is characterized in that:
A, seal ring (13) are double layer constructions, and promptly interior cushion rubber (18) is sleeved on the outer cushion rubber (19), and two dividing plates (20) are arranged on the seal ring (13);
B, roller (6) surface are flower-drum shape, and its corresponding raceway position of the pump housing (12) is made the circular arc that concaves;
Four rolling axle (7) and roller (6) are arranged, each 90 ° at interval in c, the rotating shaft (3).
2, efficient corrosion-proof pump according to claim 1 is characterized in that netted dimension polyster fibre layer is contained in the inside of outer cushion rubber (19), on the surface of contact of interior cushion rubber (18) and liquid one deck polytetrafluoroethylene film is arranged.
3, efficient corrosion-proof pump according to claim 1 and 2, it is characterized in that having in the every hemicycle of the pump housing (12) one advance, drain opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90219047 CN2074381U (en) | 1990-09-12 | 1990-09-12 | High-efficient corrosion-resisting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90219047 CN2074381U (en) | 1990-09-12 | 1990-09-12 | High-efficient corrosion-resisting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2074381U true CN2074381U (en) | 1991-04-03 |
Family
ID=4897774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90219047 Withdrawn CN2074381U (en) | 1990-09-12 | 1990-09-12 | High-efficient corrosion-resisting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2074381U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737306A (en) * | 2010-02-24 | 2010-06-16 | 无锡达尼智能科技有限公司 | Peristaltic extrusion pump |
| CN101737307B (en) * | 2010-02-24 | 2011-12-28 | 无锡达尼智能科技有限公司 | Underwater robot sludge removing peristaltic extrusion pump |
| CN104772705A (en) * | 2015-03-27 | 2015-07-15 | 苏州赫瑞特电子专用设备科技有限公司 | Mechanical peristaltic pump mechanism for liquid supply of double-sided polishing machine |
| CN109649011A (en) * | 2019-01-08 | 2019-04-19 | 北京印刷学院 | A kind of machinery head out of ink |
-
1990
- 1990-09-12 CN CN 90219047 patent/CN2074381U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737306A (en) * | 2010-02-24 | 2010-06-16 | 无锡达尼智能科技有限公司 | Peristaltic extrusion pump |
| CN101737307B (en) * | 2010-02-24 | 2011-12-28 | 无锡达尼智能科技有限公司 | Underwater robot sludge removing peristaltic extrusion pump |
| CN104772705A (en) * | 2015-03-27 | 2015-07-15 | 苏州赫瑞特电子专用设备科技有限公司 | Mechanical peristaltic pump mechanism for liquid supply of double-sided polishing machine |
| CN109649011A (en) * | 2019-01-08 | 2019-04-19 | 北京印刷学院 | A kind of machinery head out of ink |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |