CN2134518Y - Barometic pressure suction pump - Google Patents

Abstract

The utility model belongs to a water pump, and a pump body comprises an air pump and a water tank which are mutually isolated. A scavenging valve is arranged on the water tank. Two water suction pipes, a water inlet pipe, and a bottom valve which is connected with the water inlet pipe are arranged below the pump body. A piston does not contact water directly. Water which enters the bottom valve and the two water suction pipes is pressed into the water tank through the pressure of gas, and is output according to definite pressure from a water outlet pipe on the water tank. In general, the suction distance of the water pump ranges form 20m to 30 m, even reach more than 40m. So the utility model can effectively solve the problem of the extraction of underground water in arid regions, and overcomes the defects that a regular water pump has a short suction distance, water extraction and well construction are limited by the water level, etc.

Description

Barometic pressure suction pump

The utility model belongs to a kind of suction pump, and particularly a kind of water pump that adopts gas pressurized to draw water is suitable for lacking tap water area extraction underground water and makes people, animal drinking-water usefulness.

At present in the small towns that lacks tap water and other area, generally to be used to extract phreatic suction pump mainly be to be made of the pump housing, water shoveling board, valve rod, depression bar and water inlet valve block.In pump process, water is flowed out by water outlet after climbing over water shoveling board.Though this type of suction pump has characteristic of simple structure, because the water of extracting out does not have pressure, can only carry toward lower, and it directly can not be transported to higher place, such as the water vat in the kitchen etc.In order to overcome this defective.What literary composition has designed a kind of " hand-operated twin-tub water pump " (CN912312378), and this water pump adopts two cylinder bodies, two cover pistons, connecting rod, water inlet and outlet valve block and a water storage cylinder, and water outlet is located on the water storage cylinder.Water flows out from water outlet after pressurizeing.Though having overcome conventional similar water pump water outlet, this water pump do not have pressure, can only be to the shortcoming of lower conveying, but because its principle of drawing water is identical with conventional water pump, promptly same the existence inhaled journey short (generally being no more than 7m), just can not use when dark or level of ground water is low when well, and to the more high defective of conditional request of the position of selecting to dig a well.

The purpose of this utility model is to design a kind of long suction pump of suction journey that adopts air pressure to draw underground water and pressurization output, to reach the underground water sucking-off ground that deep-well or water level is lower and can pressurize the purpose of output of hoisting simultaneously.

The pump housing of the present utility model comprises pneumatic tube and water tank two-part, also has a selector valve on the water tank, and outlet pipe also is located on the water tank, and water pump also be provided with a bottom valve bottom; Establish a dividing plate between pneumatic tube and water tank it is isolated, a pore is arranged on the dividing plate, this pore is by being located at the tracheae in the water tank, and air valve and selector valve are connected; Two suction sleeves are established in the bottom that reaches valve body in water tank, and the top of suction sleeve connects with selector valve; An intake pipe is also established in bottom at valve body, and the top of intake pipe and water tank cavity are connected; The lower end of two suction sleeves and intake pipe then connects with bottom valve.The outlet pipe of water pump is located at the side lower part of water tank; Bottom valve comprises two unidirectional inlet valves and the three-way valve with two one-way cocks, and the two ends of three-way valve band valve are connected into one with two inlet valves respectively; The upper end of two inlet valves connects with two suction sleeves respectively, and the other end of three-way valve then connects and control the flow direction of water with intake pipe, and the piston of pneumatic tube still connects with handle by connecting rod, loose pin, to provide power to whole water pump.The utility model is promptly realized its goal of the invention by such scheme.

The pump housing of the present utility model is owing to adopt inflator and water tank separate type.Suction sleeve and intake pipe are divided into the bottom set valve.The piston of water pump does not directly contact with water.The water that enters two inlet valves alternately through two valves of three-way valve, is pressed into water tank under the pressure of air.Again through water tank by the output of certain pressure, thereby changed the water sucting principle of traditional water pump, and overcome traditional water pump inhale journey short and draw water, digging a well is subjected to water level limitation, the disadvantage of bad adaptability.Suction journey of the present utility model generally can reach 20～30 meters, even can reach more than 40 meters, therefore deep-well or very low arid area and the higher extraction underground water such as dwelling house of toft of level of ground water are provided and may and make things convenient for, can effectively solve the human livestock drinking water problem in this class area.

Accompanying drawing and description of drawings

Fig. 1 is this practical user mode and bottom valve structural representation;

Fig. 2 is the pump body structure schematic representation;

Fig. 3 is the right elevation of Fig. 2.

Among the figure: 1, handle, 2, connecting rod, 3, pneumatic tube, 4, water tank, 5, selector valve, 6, base, 7, intake pipe, 8, suction sleeve, 9, inlet valve, 10, inlet valve, 11, three-way valve, 12, suction sleeve, 13, outlet pipe, 14, piston, 15, tracheae, 16, pressing plate, 17, glass tube, 18, air valve.

Embodiment

Present embodiment is that the water pump of 20～25m is an example to inhale journey: pneumatic tube 3, adopt inside and outside double-layer structure, and skin is a steel cylinder, internal layer is a glass tube 17.To reduce friction, improve the sealing and the working life of piston.Glass-tube internal diameter φ 76mm, the steel cylinder external diameter is 96mm, and height is 150mm, and the wall thickness of glass-tube and steel cylinder is 5mm, between the two bonding; Water tank 4, high 140mm, diameter 130mm, wall thickness also are 5mm, suction sleeve 8,12, and intake pipe 7, outlet pipe 13, tracheae 15, inlet valve 9,10, three-way valve 11, all adopting external diameter is the steel pipe (internal diameter is about 20mm) of φ 25mm; Inlet valve 9,10, three-way valve 11 and air valve 18, in valve all adopt ball valve.Steel ball size also is φ 15mm; Selector valve 5 adopts the inner and outer pipes structure, and outer tube is offered three vents, and one of them is positioned at the outlet of air valve 18, connects with the upper end of suction sleeve 8,12 respectively for two in addition; In pipe middle part establish a valve block that 45 ° of inclination angles are arranged, on inner corresponding position, establish two pores with outer tube, 180 ° of two pore Center Gap, on position, establish a pore corresponding to the suction sleeve upper end, this pore cooperates with valve block alternately connects two suction sleeves with air valve 18, with the incoming pressure air; For easy for installation.The suction sleeve of present embodiment and intake pipe adopt the different material suit of two joints, promptly at suction sleeve 8,12, intake pipe 7 is established a reverse hook type bayonet socket respectively near the upper end of two inlet valves 9,10 and three-way valve 11 in the bottom of the pump housing and the bottom valve, the bottom suction sleeve when mounted according to well depth adopt internal diameter be φ 25mm nontoxic hard plastic tube respectively with corresponding bayonet socket socket, after heating, again joint is tightened slightly then and just can, piston 14, adopt the thick sheet rubber of 2mm, on establish the pressing plate 16 of φ 46mm, to guarantee at least during installation that bottom valve immerses in the water fully.

During use, the inlet valve of water in bottom valve enters in the valve and reaches in the suction sleeve 8,12, and when handle 1, to pressing down, piston 14 also moves downward, and through tracheae 15, air valve 18 flows into selector valve 5 to the air in the inflator under the pressure of piston, (flowing to shown in Fig. 3 arrow); If this moment, selector valve 5 was to connect with suction sleeve 8, gas and water trend are then shown in arrow among Fig. 1, Fig. 2.This pressure air acts on the water surface in suction sleeve 8 or the inlet valve 9, water is at first closed the ball valve of bottom under air pressure, and the valve of this side of three-way valve is backed down, the valve closing that also the three-way valve opposite side is connected with inlet valve 10 simultaneously, so water enters water tank 4 through intake pipe 7, again through outlet pipe 13 outputs, the valve opening of inlet valve 9 when handle 1 is upwards lifted, corresponding three-way valve valve closing, underground water enters valve body through this valve; A part is replenished air and is entered inflator by piston sheet edge, when piston motion behind the upper end, move selector valve 5.Itself and suction sleeve 12 connected, again to pressing down handle 1, a then similar last cyclic process, water enters water tank 4 by inlet valve 10 through this side triple valve intake pipe 7, thereby with this reciprocation cycle water is extracted out.

Claims (3)

1, a kind of pulsometer pump, comprise handle, piston, the pump housing and be positioned at turnover water pipe on the pump housing, it is characterized in that the pump housing comprises pneumatic tube and water tank two-part, also have a selector valve on the water tank, outlet pipe also is located on the water tank, and water pump also be provided with a bottom valve bottom; Be provided with a dividing plate between pneumatic tube and water tank it is isolated, a pore is arranged on the dividing plate, this pore is connected by tracheae, air valve and the selector valve be located in the water tank; The bottom that reaches valve body in water tank is provided with two suction sleeves, and the top of suction sleeve connects with selector valve; Bottom at valve body also is provided with an intake pipe, and the top of intake pipe and water tank cavity are connected, and the lower end of two suction sleeves and intake pipe then connects with bottom valve.

2, by the described pulsometer pump of claim 1, it is characterized in that bottom valve comprises two unidirectional inlet valves and the three-way valve with two one-way cocks.The two ends of three-way valve band valve join together with two inlet valves respectively.

By the described pulsometer pump of claim 1, it is characterized in that 3, inflator adopts inside and outside double-layer structure.Skin is a steel cylinder.Internal layer is a glass tube.Bond between the two.

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