CN2350568Y - Deep well self-priming pump without change of small bore well pipe - Google Patents

Abstract

The utility model relates to a deep well self-priming pump without the change of small bore well pipe used for electric power drainage and irrigation in electromechanical industry, which is composed of a well pipe, a suction adding pipe, a self-priming pump body, a motor, a centrifugal pump body, an upper force adding body, a lower force adding body, etc. The self-priming pump is arranged on the motor and the upper end of the suction adding pipe is connected with a water drain pipe, and the lower end of the suction adding pipe is passed into a triplet and the well pipe, and the suction adding pipe is welded with the upper force adding body as a whole. A centrifugal impeller is arranged in the centrifugal pump body and fixed to the motor. The lower force adding body is fixed to the upper force adding body via a bolt, and rubber rings are arranged at the circumference of the circular ring disk of the lower force adding body. The deep well self-priming pump without change of small bore well pipe has scientific concept, reasonable system, low cost, good performance, high lift head, long service life and backflow water prevention, and is appropriate for deep wells.

Description

Do not change small-bore well casing deep-well self-priming pump

The utility model relates to a kind of drainage and irrigation hyelectric power equipment in the electronic product industry.

At present, the drainage and irrigation hyelectric power equipment self-priming pump that is used for the electronic product industry does not have desirable solution always.The self-priming pump waterproof sealing poor-performing of Shi Yonging now, water leakage phenomenon is more, the system design structure is unreasonable, have a strong impact on self suction of self-priming pump, lift is shorter, the water-in flange place does not have non-return device in addition, water is caused to be blowed back in the intake pipe, the efficient of drawing water is low, also draw water and transportation performance on be under some influence, directly influence the working life of self-priming pump, general in addition self-priming pump can't use on small-bore, and the pump up water well depth then lost self-absorption function all below 8 meters than deep well, develops therefore that a kind of not change small-bore well casing deep-well self-priming pump be domestic and international electronic product industry new problem anxious to be solved always.

The purpose of this utility model be exactly conceive science in order to provide a kind of, system design is reasonable, technology realizes easily, with low cost, the waterproof sealing performance is good, self-absorption function is strong, lift is high, efficient is high, increase the life-span, have anti-device against the current, do not change small-bore well casing, can be used for the small-bore well casing deep-well self-priming pump of not changing of deep-well especially.

The purpose of this utility model is achieved in that whole device is by well casing, threeway, increase suction tube, intake pipe, the self-priming pump housing, motor, outlet pipe, water-in flange, centrifugal pump body, water-output flange, handle, umbrella tingia wheel, two-way flange plate, centrifugal impeller, screw rod, rubber ring, last reinforcement body, following reinforcement body, big pad, screw, bolt, pulvinulus is formed, the self-priming pump housing is contained on the motor, outlet pipe is installed on self-priming pump housing top, increase the suction tube upper end and connect outlet pipe, the lower end penetrates threeway and well casing, be one with last reinforcement body weldering, intake pipe connects threeway, well casing is connected with threeway, handle is installed on the motor, the bottom is installed umbrella tingia wheel and is contained on the motor shaft in the self-priming pump housing, be contained in two-way flange plate on the motor shaft and the self-priming pump body side surface, centrifugal impeller is contained on the centrifugal pump body and is contained on the motor shaft together, centrifugal pump body upper flange and self-priming pump body side surface are fixed with screw rod, water-in flange is fixed on the centrifugal pump body side with screw rod, intake pipe is contained on the water-in flange, water-output flange is contained in self-priming pump housing top, on the circle ring disk circumference of last reinforcement body, adorn rubber ring, and pulvinulus is fixed on it with screw, to descend reinforcement body and function bolt in last reinforcement body, on the circle ring disk circumference of following reinforcement body, adorn rubber ring, and will fill up greatly with screw and to fix on it.Main points of the present utility model are its structural type and working principle.Its working principle is: after the driven by motor self-priming pump starts, inject a small amount of clear water from intake pipe, make water enter reinforcement body mesopore from increasing suction tube, enter down hole, reinforcement side again, because bore from large to small, make increased pressure and become high speed hydraulic pressure and charge into hole, reinforcement side, rotate formation vacuum state in the suction space by umbrella tingia wheel, make the liter waterborne in hole, reinforcement side on it, and on big pad one side direction of the circle ring disk of the following reinforcement body of drive, water in the well casing enters hole, reinforcement side through last reinforcement body and following reinforcement body side surface cross hole, on pulvinulus one side direction of the circle ring disk of last reinforcement body, water enters and increases in the middle of suction tube and the well casing sleeve pipe, by threeway, in the suction centrifugal pump body, enter self-priming pump housing epicoele again, enter umbrella tingia wheel, rotation makes the water pressurization enter water-output flange by umbrella tingia wheel, rotation increases the water yield by centrifugal impeller, thereby reaches the conveying effect that the water in the deep-well is entered head-tank by self-priming pump.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the utility model pump housing part-structure enlarged diagram.

Fig. 3 is the utility model reinforcement tube segment structure enlarged diagram.

With reference to accompanying drawing, whole device is by well casing 1, threeway 2, increase suction tube 3, intake pipe 4, the self-priming pump housing 5, motor 6, outlet pipe 7, water-in flange 8, centrifugal pump body 9, water-output flange 10, handle 11, umbrella tingia wheel 12, two-way flange plate 13, centrifugal impeller 14, screw rod 15, rubber ring 16, last reinforcement body 17, following reinforcement body 18, big pad 19, screw 20, bolt 21, pulvinulus 22 is formed, the self-priming pump housing 5 is contained on the motor 6, outlet pipe 7 is installed on the self-priming pump housing 5 tops, increase suction tube 3 upper ends and connect outlet pipe 7, the lower end penetrates threeway 2 and well casing 1, be welded into one with last reinforcement body 17, intake pipe 4 connects threeway 2, well casing 1 is connected with threeway 2, handle 11 is installed on the motor 6, the bottom is installed umbrella tingia wheel 12 and is contained on 6 in the motor in the self-priming pump housing 5, two-way flange plate 13 is contained in 6 in motor to be gone up and the self-priming pump housing 5 sides, centrifugal impeller 14 is contained on the centrifugal pump body 9 and is contained in together on 6 in the motor, centrifugal pump body 9 upper flange and the self-priming pump housing 5 sides are fixing with screw rod 15, water-in flange 8 usefulness screw rods 15 are fixed on centrifugal pump body 9 sides, intake pipe 4 is contained on the water-in flange 8, water-output flange 10 is contained in the self-priming pump housing 5 tops, dress rubber ring 16 on the circle ring disk circumference of last reinforcement body 17, and pulvinulus 22 is fixed on it with screw 20, to descend reinforcement body 18 usefulness bolts 21 to be fixed in reinforcement body 17, dress rubber ring 16 on the circle ring disk circumference of following reinforcement body 18, and will fill up 19 greatly with screw 20 and fix on it.

Do not change the small bore well pipe deep well self-priming pump and compare with existing 45 technology, have design science, system Reasonable in design, technology realizes easily, cost is low, dependable performance, good seal, self-suction function is strong, lift is high, The efficient height, increase life of product, prevent against the current, not changing small bore well pipe, be suitable for the advantage such as deep-well, will Be widely used in the electromechanical industries drainage and irrigation hyelectric power.

Claims (1)

1, a kind ofly do not change small-bore well casing deep-well self-priming pump, by well casing, threeway, increase suction tube, intake pipe, the self-priming pump housing, motor, outlet pipe, water-in flange, centrifugal pump body, water-output flange, handle, umbrella tingia wheel, two-way flange plate, centrifugal impeller, screw rod, rubber ring, last reinforcement body, following reinforcement body, big pad, screw, bolt, pulvinulus is formed, it is characterized in that: the self-priming pump housing is contained on the motor, outlet pipe is installed on self-priming pump housing top, increase the suction tube upper end and connect outlet pipe, the lower end penetrates threeway and well casing, be one with last reinforcement body weldering, intake pipe connects threeway, well casing is connected with threeway, handle is installed on the motor, the bottom is installed umbrella tingia wheel and is contained on the motor shaft in the self-priming pump housing, be contained in two-way flange plate on the motor shaft and the self-priming pump body side surface, centrifugal impeller is contained on the centrifugal pump body and is contained on the motor shaft together, centrifugal pump body upper flange and self-priming pump body side surface are fixed with screw rod, water-in flange is fixed on the centrifugal pump body side with screw rod, intake pipe is contained on the water-in flange, water-output flange is contained in self-priming pump housing top, on the circle ring disk circumference of last reinforcement body, adorn rubber ring, and pulvinulus is fixed on it with screw, to descend reinforcement body and function bolt in last reinforcement body, on the circle ring disk circumference of following reinforcement body, adorn rubber ring, and will fill up greatly with screw and to fix on it.

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