CN202900596U

CN202900596U - Full-sealed corrosion-resisting immersed pump

Info

Publication number: CN202900596U
Application number: CN 201120366821
Authority: CN
Inventors: 芮世纲; 洪秀治
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-24
Filing date: 2011-09-24
Publication date: 2013-04-24
Anticipated expiration: 2021-09-24

Abstract

The utility model provides a full-sealed corrosion-resisting immersed pump comprising a full-sealing housing, a motor, a built-up crankshaft, polygonal pyramid enclosed working chambers provided with elastic through pipes, glands, suction valves, and discharge valves. The full-sealed corrosion-resisting immersed pump is characterized in that the motor and vertical frames are disposed in the full-sealing housing; the polygonal pyramid enclosed working chambers provided with the elastic through pipes at both ends are installed in the vertical frames; top ends of the elastic through pipes are provided with the suction valves and the discharge valves respectively; each chamber has an immovable side and a movable part; and the immovable sides of the chambers are fixed to the peripheral surfaces of the vertical frames and the movable sides at the other ends are sleeved on the built-up crankshaft. Under the driving of the built-up crankshaft, the volumes of the chambers alter and thus the objectives of liquid suction and liquid discharge are achieved. The full-sealed corrosion-resisting immersed pump is fully enclosed without leakage, is capable of resisting corrosion, strong acid, strong base, weak acid, weak base and oil, requires no high-speed rotation of the motor, enables flow to be adjusted, is not limited by depth pressure during submergence, and can be widely applicable to the industries of chemistry, agriculture, beverage, brewing and medicine.

Description

The full-sealed corrosion-resistant immersed pump

Technical field

The utility model relates to a kind of full-sealed corrosion-resistant immersed pump.

Background technique

The claimant once applied for a patent " corrosion resistance diaphragm diving pump " in 2005, and patented power, and the patent No. is 200520126540.0.That this pump has is totally-enclosed, corrosion-resistant, underwater penetration is unrestricted, motor is without High Rotation Speed and the motor advantage such as easy burn-out not.Logical in a few years practice, its structure still need be improved.Adopt the improvement structure can reduce part, reduced volume, reduction cost, raise the efficiency, beautify outward appearance.

Summary of the invention

The utility model provides a kind of full-sealed corrosion-resistant immersed pump, the two ends that it seals chamber with original polygonal pyramid redesigns into is with flexible siphunculus, and load onto respectively suction valve and expulsion valve at the top end of the elasticity siphunculus of two ends, this just not be used in and fills in addition suction valve and expulsion valve on the gland.Liquid directly from the turnover of chamber two ends elasticity siphunculus, had so both reduced crooked pipeline, and reduced volume reduces part again, removes the wearing and tearing of pipe bending from, raises the efficiency, and reduces cost, beautifies profile.

The utility model full-sealed corrosion-resistant immersed pump has the polygonal pyramid of hermetically sealed shell, motor, vuilt-up crankshaft, the flexible siphunculus of two or four band to seal work chamber, chamber gland, suction valve, expulsion valve.It is characterized in that: motor and space framework are housed in the hermetically sealed shell, the polygonal pyramid that the flexible siphunculus of two or four band is housed in space framework seals work chamber, each chamber has surface of no motion and active part, the surface of no motion of each chamber is separately fixed on the side face of space framework with gland, each chamber active part is sleeved on the vuilt-up crankshaft, and presses respectively dress suction valve and expulsion valve on the top of chamber two ends elasticity siphunculus.Each chamber produces the variation of volume size under the drive of vuilt-up crankshaft, make liquid suck and discharge from suction valve and the expulsion valve of chamber two ends, thereby reach the purpose that liquid is carried in suction.

Wherein the polygonal pyramid with flexible siphunculus seals work chamber, can select as required different materials and chamber quantity, even adopt a chamber also passable.

The utility model is owing to improving structure, and liquid need not be discharged by the upper end through crooked pipeline by gland by the straight-through expulsion valve of lower end suction valve again, has saved the pipeline part, reduced volume, and the conduits of energy loss is few, raises the efficiency, and reduces cost, beautifies profile.And with motor be installed in the bottom, make decentralization, minimizing is beated.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the utility model A-A generalized section

Embodiment

The utility model has hermetically sealed shell, and it is by drain pan 2, and body shell 3 and upper casing 14 3 parts form.Form static seal with bolt and pad deadend between three

sections shells

2,3,14.Motor 1 is housed in the shell, be connected with vuilt-up crankshaft 10 by land 5, vuilt-up crankshaft 10 is comprised of middle main shaft and two ends eccentric disc, this central shaft and two polygonal pyramid sealing chambers 11 with elasticity deferent 9,17 or four polygonal pyramids with flexible siphunculus 9

seal work chamber

11,17,18,19 active part suit connects, it is characterized in that: the surface of no motion part of above-mentioned each chamber is separately fixed at space framework 7 by gland 12, on 8 the motionless side face, be reduced volume, space framework is made 7,8 combined types (seeing Fig. 1), at the top end of elastic pipeline 9 suction valve 6 and expulsion valve 13 are installed respectively, suction valve 6 links to each other with suction pipe 4, suction pipe 4 and shell 3 cast solids do not have leak.The expulsion valve 13 of chamber upper end is connected with total discharge tube 15, and total discharge tube 15 forms static seal with upper end housing 14 usefulness pad deadends, and motor input electric wire 16 and shell 14 pad deadend form static seal.

Polygonal pyramid with flexible siphunculus 9 seals work chamber 11, the 17 or 11,17,18, the 19th, and totally-enclosed, no-leak, the chamber wall of each chamber is comprised of inner and outer wall two-part.Inwall 23 usefulness elastic materials are made, outer wall 20, the 22nd is made (seeing Fig. 2) with hard material, rigid outer wall is to be formed by connecting by erectting the sleeping little axle 21 of mobile plate 22 usefulness of mobile plate 20 peace, an end of erectting mobile plate 20 is sleeved on the middle main shaft of vuilt-up crankshaft 10, the other end is connected with flat sleeping mobile plate 22 by little axle 21, and the other end of flat sleeping mobile plate 22 is installed on the space framework 7,8 by little axle 24, and fastening with gland 12.The elasticity inwall 23 of chamber forms the Compound Cavity wall with rigid

outer wall

20,22, and elasticity inwall 23 is connected it with rigid

outer wall

20,22 usefulness flanges or pressing plate or tackiness agent and forms the chamber of sealing.

When plugged line 16, motor 1 rotates, driving vuilt-up crankshaft 10 by land 5 rotates, vuilt-up crankshaft is eccentric, and the rigid setting mobile plate 20 that drives chamber 11 moves upward (seeing Fig. 2), and this setting mobile plate 20 drives flat sleeping mobile plate 22 by little axle 21 again and upwards makes banking motion, because the both sides mobile plate is symmetrical mutually, thereby the spatial volume of increase chamber 11, this moment, the pressure of chamber 11 reduced, and suction valve 6 is opened by suction pipe 4 and is sucked liquid.Expulsion valve 13 is owing to single effect is closed.The variation of chamber 17 is opposite with the volume-variation of chamber 11, and it is from large to small, and the liquid of compression chamber 17 is opened expulsion valve 13, and liquid is discharged by discharge header 15.

More than be the working procedure of 11,17 two chambers of narration, if four

chambers

11,17,18,19 its working procedure are identical with two chambers, this patent can determine to seal according to the needs of flow the quantity of work chamber, select 1,3,5,7,9 can.

The utility model is because the uniqueness of design principle, novel and reasonable structure, and it has following several main performance feature and purposes.

1, hermetically sealed, no-leak, corrosion-resistant: this pump is in totally enclosed frame, is again to work under the static seal condition, and motor can not be burned.It can the anti-various mordant liquid of being with, such as strong acid, highly basic or weak acid, weak base.General stainless submersible pump ability strong acid, highly basic on the market, but can not weak acid resistant, weak base.

When 2, slipping into liquid, be not subjected to the restriction of depth pressure: submersible pump in the market generally is that motor is directly installed on the wheel rotor, seals with Sealing, because it is to work under the motive sealing condition, when slipping into degree of depth increasing, pressure increases, broken motor is burnt in easily infiltration.The motor of this pump and work chamber all are to be again to work under the static seal condition in totally enclosed shell, the phenomenon of motor can not occur burning out, when slipping into liquid, can not be subjected to the restriction of depth pressure.

3, rotating speed can height can be low: general submersible pump needs High Rotation Speed could work, and this revolution speed can height, can be low.When adopting low speed, power consumpiton is few, weares and teares little long service life.

4, flow can be regulated: but motor can be at a high speed also low-speed running.

5, owing to hermetically sealed, no-leak, impurity can not infiltrate.

6, motor is installed in bottom, stable working.

7, maintenance and renewal part are convenient: cost is also low.

This pump can be widely used in industrial various with corrosive liquids, such as the conveying of strong acid and strong base and weak acid and weak base and the conveying of various oils, the discharging water of the irrigation in farmland, the sprinkling of agricultural chemicals and large marine various boats, because it is hermetically sealed no-leak, impurity is difficult for infiltrating, and therefore, it also can be used for the pairing of beverage industries, brewing industry, various different materials liquid, also can be used for the pharmaceutically conveying of pure distilled water, and can in being higher than Normal Atmospheric Temperature Liquid, work.

Claims

1. full-sealed corrosion-resistant immersed pump, hermetically sealed shell (2 is arranged, 3,14), motor (1), vuilt-up crankshaft (10), chamber gland (12), suction valve (6), expulsion valve (13), it is characterized in that: hermetically sealed shell (2,3,14) in, motor (1) and space framework (7 are housed, 8), at space framework (7,8) the polygonal pyramid that is equipped with in elasticity siphunculus (9) seals work chamber (11,17,18,19), the surface of no motion of each chamber is fastened on space framework (7 with gland (12), 8) on the side face, the active part of each chamber is sleeved on the vuilt-up crankshaft (10), at the top end of elasticity siphunculus (9) suction valve (6) and expulsion valve (13) is installed respectively.

2. full-sealed corrosion-resistant immersed pump according to claim 1, wherein the polygonal pyramid with flexible siphunculus (9) seals work chamber (11,17,18,19), its feature is that the elasticity inwall (23) of chamber forms the Compound Cavity wall with rigid outer wall (20,22), wherein rigid outer wall is to be formed by connecting with little axle (21) by erectting the sleeping mobile plate (22) of mobile plate (20) peace, and elasticity inwall (23) and rigid outer wall (20,22) are connected with flange or pressing plate or tackiness agent.

3. full-sealed corrosion-resistant immersed pump according to claim 1, hermetically sealed shell wherein (2,3,14), its feature are that the input electric wire (16) of hermetically sealed shell (2,3,14) and main drain (15) and motor all is to adopt the pad deadend to form static seal.