CN2285829Y

CN2285829Y - Pneumatic reciprocating drainage pump

Info

Publication number: CN2285829Y
Application number: CN 96233180
Authority: CN
Inventors: 赵书琴
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-30
Filing date: 1996-05-30
Publication date: 1998-07-08
Anticipated expiration: 2006-05-30

Abstract

The utility model relates to a water discharging pump with compressed air as the motive power. The water discharging pump mainly comprises a left and a right two symmetrical pump bodies, a water sucking and a water discharging pipes which are arranged under the pump bodies and are communicated by a water chamber with a check valve, and air direction control valves arranged above the pump bodies. Bowl-shaped flexible pistons whose middle parts are fixedly connected with piston shafts and peripheries are fixedly connected with the inner margins of the pump bodies and which divides the pump body into air cavities and water cavities are arranged in the pump bodies, the air cavities of the pump bodies are correspondingly connected with the air inlets and the air outlets of the air direction control valves, and the water cavities are communicated with the water sucking and the water discharging pipes through the water chamber. The utility model is especially suitable for being used for pumping and discharging little water accumulation.

Description

Pneumatic reciprocating type draining pump

The utility model relates to a kind of reciprocating type draining pump, and particularly a kind of is the draining pump of power with pressurized air.

Existing water pump is made of the pump housing and the rotating type impeller or the reciprocating piston that are arranged in the pump housing mostly, and fitness for purpose work drinking water is darker, and need guarantee in certain water level work, otherwise the burning machine can take place, and therefore water can't be drained.Common massif immersion in the industries such as some road constructions, mine, coal, face ponding, the depth of water such as ripple hole is difficult for competent at 2～30 centimetres shallow ponding down.Some rotary pump need be done a large amount of preparatory works before the running, if any want lubricating oil filling, what have will add diversion or emptying gas etc., it is not too convenient to use.

The purpose of this utility model provides a kind of ponding pneumatic reciprocating type draining pump that discharge smoothly, that but non-loaded equal proper functioning is arranged that will be very shallow.

The formation that realizes the pneumatic reciprocating type draining pump of the purpose of this utility model comprises the pump housing, be arranged on the piston in the pump housing, be connected in the piston shaft on the piston and be sleeved on piston shaft axle sleeve on the piston shaft, a described pump housing left side, it is two that the right side is symmetrical arranged, piston is a bowl-shape flexible plunger, its periphery is affixed with pump housing inner edge, the pump housing is divided into two chambeies of water cavity and wind chamber, middle of piston and piston shaft end are affixed, on the piston shaft axle sleeve, have a left side, right two exhaust ports, have the air draft groove that when the water cavity motion puts in place, is communicated with pump housing wind chamber and axle sleeve exhaust port at piston on the piston shaft, below the pump housing, be provided with suction sleeve and waste pipe, respectively be provided with a left side that is communicated in two pipes at the two ends of suction sleeve and waste pipe, right hydroecium, hydroecium and suction, be provided with one-way valve between the waste pipe, a left side, the water cavity of the right pump housing connects a left side respectively, right hydroecium, above the pump housing, also be provided with a wind direction control valve, described wind direction control valve has total intake grill by one, a left side, right exhaust outlet, a left side, right intake grill, a left side, valve body and a cylindrical sliding valve core that is arranged in the valve body that the air port is let out on the right side constitute, described cylindrical sliding valve core is provided with a left side, right two shutoff boss, the left side of wind direction control valve, right intake grill branch is located at two ends of valve body, respectively with the piston shaft axle sleeve on a left side, right exhaust port communicates, a left side, right exhaust outlet respectively with a left side, the wind chamber of the right pump housing communicates a left side, the right side is let out the air port and is communicated with atmosphere.Pressurized air enters from total intake grill of wind direction control valve during work, when spool was in right-hand member, its right shutoff boss was positioned at the right of right exhaust outlet, and left shutoff boss is between total intake grill and left exhaust outlet, be that total intake grill communicates with right exhaust outlet, obstructed with left exhaust outlet; Pressurized air is input into the wind chamber of the pump housing through right exhaust outlet, promotes piston and moves right, and the water in the water cavity of the right is discharged into right hydroecium, under the effect of hydraulic pressure, one-way valve between right hydroecium and waste pipe is opened, and the closed check valve between suction sleeve, and water then enters waste pipe and discharges; When the piston operation puts in place, the air draft groove that is located on the piston shaft then is communicated with the wind chamber with exhaust port on the piston shaft axle sleeve, wind in the wind chamber then exhaust port on the warp beam sleeve enters the right intake grill of wind direction control valve, spool is pushed into the left end of valve after the air port is let out on the right side releases.When the piston of pump moved right on the right, the piston that drives left side pump also moved right, and forms negative pressure in water cavity, and the one-way valve that the one-way valve between left hydroecium and waste pipe closes between group and suction sleeve is opened, and will desire draining inspiration water cavity and wait to arrange.When spool was in left end, its right shutoff boss was obstructed shape between total intake grill and right exhaust outlet; Shutoff boss in a left side then is positioned at the left side of left exhaust outlet, is connecting shape with total air intake, repeats the above-mentioned working procedure identical with the right pump, finishes a work cycle.Pressurized air as power also plays cooling action to piston shaft simultaneously, and piston is by the flexibility to-and-fro motion in the pump housing of self, and nothing friction between the pump housing, and therefore operation the burning machine can not take place yet under anhydrous state.

The utility model is a power with pressurized air, is symmetrical arranged left and right two pump housings, and the work efficiency height is reliable, simple to operate, blow in just movingly, need not any preparatory work basically; Also need not the special messenger keeps an eye on---and draining is harmless substantially in back machine run; Its Yang Cheng and water displacement can change with the variation of air quantity.In tunnel, work and also can prevent gas, increase Security.

Further specify the utility model below in conjunction with drawings and Examples, but content of the present utility model is not limited in this embodiment.

Fig. 1 structural representation of the present utility model

The A-A view of Fig. 2 Fig. 1

The left view of Fig. 3 Fig. 1

Shown in Fig. 1～3, a left side pump housing 6, the right pump housing 16 are fixed in the two ends of piston shaft axle sleeve 25, and piston 18, can to adopt rubber type of material to make bowl-shape, is fixed in the two ends of piston shaft 26 with clamping plate 19, periphery is affixed with the inner edge of the pump housing, and the pump housing is divided into wind chamber 22 and 20 two chambeies of water cavity.Wind direction control valve 7 usefulness one connect column 27 and are fixed on the piston shaft axle sleeve 25.For manufacturing conveniently, on the wall of the wind chamber of the pump housing, have an intake grill 23, be communicated with the right exhaust port 11 of wind direction control valve with a flexible pipe 17, right intake grill 14 usefulness one flexible pipe 15 of wind direction control valve is communicated with the right exhaust port 28 on the axle sleeve; 24 of air draft grooves on the piston shaft are arranged on the appropriate position, and this air draft groove just is communicated with pump housing wind chamber in the time of at the bottom of piston runs to water cavity with axle sleeve exhaust port 28.The sliding valve core 8 of wind direction control valve is provided with left shutoff boss 29 and right shutoff boss 12, and what provide among the figure is the working position of spool when being in right end position.The axial notch 13 that is provided with on the spool helps spool in the air intake effect lower slider from left and right intake grill.Suction sleeve 1 and waste pipe 30 are located at pump housing below, and two ends are arranged with left hydroecium 2, right hydroecium 31 is communicated with two pipes.Left and right hydroecium is connected with the hydroecium of the left and right pump housing with pipe 4,21 respectively.One-way valve 33,34,35,36 between hydroecium and suction sleeve, the waste pipe can constitute with a colloid baffle plate that is hinged on the body simply.Left side pump is the same with the right pump with the connection of wind direction control valve, repeats no more here.Total intake grill 10 of wind direction control valve joins with air compressor during work, wind-force enters the wind chamber 22 of the right pump through flexible pipe 17 through right exhaust port 11, promote piston 18 and move right, one-way valve 35 is extruded and backed down to the water in the right hydroecium 20 enter waste pipe 30 discharges.When piston 18 moves right on earth, air draft groove 24 on the piston shaft just in time is positioned at the wall place, wind chamber of the pump housing, thereby connect vented cavity 22 and exhaust port 28, wind in the wind chamber then enters the wind direction control valve through the right intake grill 14 of exhaust port 28-flexible pipe 15-wind direction control valve, act on sliding valve core 8, and it is passed left end, and making the right air intake 14 and the right side let out air port 37 and connect, the lingering remnants of past customs in the wind chamber all is discharged into atmosphere.In the process that piston 18 moves right, drive piston 38 and move right, in right water cavity 5, form negative pressure, the water inspiration is waited to arrange.After sliding valve core 8 was pushed to right-hand member, total intake grill 10 then communicate with left exhaust outlet 9 entered the wind chamber 39 of left side pump through flexible pipe 3, repeats the above-mentioned working procedure identical with the right pump.

Connect a water inlet base 41 that has some water intakes 40 in addition in the water sucking mouth of suction sleeve, can with this draining pump directly seat in treating draining, work and needn't connect suction sleeve in addition.Surpass exhaust outlet as the depth of water, exhaust outlet is picked out the water surface can guarantee that pump runs well.Whole pump housing useable glass molten steel body soaks play, to increase antiseptic property.

For avoiding opening motionless phenomenon, can let out on a left side and adorn a switch valve 42 on the air port, by the switch motion of this switch valve, destroy the balance of sliding valve core and slide to an end, to connect the wind path proper functioning.Certainly, switch valve also can be positioned on the right side and lets out on the air port.

Claims

1, a kind of pneumatic reciprocating type draining pump, comprise the pump housing, be arranged on the piston in the pump housing, be connected in the piston shaft on the piston and be sleeved on piston shaft axle sleeve on the piston shaft, it is characterized in that a described pump housing left side, it is two that the right side is symmetrical arranged, piston is a bowl-shape flexible plunger, its periphery is affixed with pump housing inner edge, the pump housing is divided into two chambeies of water cavity and wind chamber, middle of piston and piston shaft end are affixed, on the piston shaft axle sleeve, have a left side, right two exhaust ports, have the air draft groove that when the water cavity motion puts in place, is communicated with pump housing wind chamber and axle sleeve exhaust port at piston on the piston shaft, below the pump housing, be provided with suction sleeve and waste pipe, respectively be provided with a left side that is communicated in two pipes at the two ends of suction sleeve and waste pipe, right hydroecium, hydroecium and suction, be provided with one-way valve between the waste pipe, a left side, the water cavity of the right pump housing connects a left side respectively, right hydroecium, above the pump housing, also be provided with a wind direction control valve, described wind direction control valve has total intake grill by one, a left side, right exhaust outlet, a left side, right intake grill, a left side, valve body and a cylindrical sliding valve core that is arranged in the valve body that the air port is let out on the right side constitute, described cylindrical sliding valve core is provided with a left side, right two shutoff boss, the left side of wind direction control valve, right intake grill branch is located at two ends of valve body, respectively with the piston shaft axle sleeve on a left side, right exhaust port communicates, a left side, right exhaust outlet respectively with a left side, the wind chamber of the right pump housing communicates a left side, the right side is let out the air port and is communicated with atmosphere.

2, pneumatic reciprocating type draining pump as claimed in claim 1 is characterized in that the two ends of described sliding valve core have axial notch.

3, pneumatic reciprocating type draining pump as claimed in claim 1 is characterized in that described suction sleeve also is connected to a water inlet base that has some water intakes.

4, pneumatic reciprocating type draining pump as claimed in claim 1 is characterized in that a described left side is let out a switch valve is housed on the air port.