CN2443166Y - Double action efficient self-priming piston pump - Google Patents

Abstract

The utility model relates to a double action type high efficiency self-sucking piston pump used for pumping and conveying various liquid (especially light oil). When the utility model works, no matter a piston in the pump is positioned at a raising position or a lowering position (namely a left moving position or a right moving position), the utility model can effectively output liquid during the whole reciprocating motion of the piston, so that the work efficiency of the pump and the output stability are raised. When used in working occasions without power supplies, the utility model can normally and effectively work by manually rocking a handle, so that the working adaptation of the pump is raised.

Description

Double action high efficiency self suction reciprocating pump

The utility model relates to a kind of pump series products.A kind ofly be used for suction and carry each class I liquid I (especially lightweight oils), double action high efficiency self suction reciprocating pump, when the pump inner carrier is worked, no matter its rising or decline (move to left or move to right), in the whole to-and-fro motion of piston, equal effective output liquids.

As everyone knows, the suction of liquid is carried and need be finished by the work of pump, reciprocating pump is that a kind of purposes is very general, simple in structure, effect is pump kind preferably again, but known reciprocating pump is the single-acting formula when work, be piston oil suction when moving to right when rising (or), piston oil extraction when moving to left when descending (or) is so from the oil outlet of pump, the output of fluid is interrupted, incoherent, oil yield efficiency is low, and can only work under the situation that electricity is arranged, and can not extensively be adapted to various workplaces.

The purpose of this utility model provides a kind of double action high efficiency self suction reciprocating pump, when the pistons work in the pump, no matter its rising or decline (move to left or move to right), in the whole to-and-fro motion of piston, the oil outlet of pump is the effective output liquid of energy all, and do not having under the working environment of power supply, this pump also can normally effectively be worked.

The technical solution of the utility model is such: adorn a pump housing demarcation strip at pump housing internal fixation, (in fact be exactly to make a pump housing become two pump housings, this is the key point of this programme just for two pump housings and low-pressure cavity about it was separated into the pump housing.), about oil-feed valve and fuel-displaced valve are housed on two pump housings respectively, low-pressure cavity links to each other with filler opening, pump casing cover links to each other with the whole pump housing is airtight, forms hyperbaric chamber, and the oil outlet of fluid is housed on pump casing cover; Pump housing slideway is housed in the pump housing, it is the place of leather bucket work, offer the filler opening (also being oil outlet) of fluid respectively at the two ends of pump housing slideway, when leather bucket in the pump housing slideway during left and right move (or rise, descend), fluid is opened left and right fuel-displaced valve respectively, oil outlet from pump cover outputs to outside the pump, so just can make piston in reciprocating overall process, pump all has fluid to export from oil outlet, the oil transportation efficient that is more than doubled than original known single action piston pump.

This programme also is equipped with the free wheel device joint that the socket crank handle is used in the bent axle termination, the separation handle is housed in gearbox, personnel selection is not tried hard to recommend and is shaken handle and just can make piston to-and-fro motion as usual when having power supply, and this double-action high-efficient self-priming pump still can proper functioning.

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

Wherein: (1) pump cover, (2) left and right sides pump housing demarcation strip, (3) fluid oil outlet, (4) the fuel-displaced valve in the left and right sides, (5) motor, (6) drivign belt, (7) transmission gearwheel, (8) belt pulley, (9) transmission shaft, (10) driving pinion, (11) separate handle, (12) crank handle, (13) bent axle, (14) free wheel device, (15) connecting rod, (16) gearbox casing, (17) wrist pin, (18) piston, (19) slideway cover, (20) support, (21) pull bar, (22) pump housing bonnet, (23) leather bucket, (24) pump housing slideway, (25) slideway oil inlet and outlet, (26) fluid filler opening, (27) pump housing, (28) left and right sides oil-feed valve.

Below in conjunction with marginal data embodiment of the present utility model:

In the gearbox casing (16), small gear (10) engagement on the gearwheel (7) of bent axle (13) on it and the transmission shaft (9), small gear (10) can move along transmission shaft (9) by separating handle (11), thereby out-of-gear engagement, belt pulley (8) is equipped with in the termination of transmission shaft (9), be connected with motor (5) by belt (6), the crank throw place installing connecting rods (15) of bent axle (13), the other end of connecting rod (15) is connected with piston (18) by wrist pin (17), piston (18) is connected with pull bar (21) simultaneously, one end of slideway cover (19) is connected with gearbox casing (16), the other end is connected with the pump housing (27), and make bent axle when motion, promotion lower link (15) and pull bar (21) at piston (18) remain on the same horizontal plane, the other end of pull bar (21) is equipped with leather bucket (23), by above-mentioned driving mechanism leather bucket (23) left and right sides to-and-fro motion in pump housing slideway (24), it is characterized in that, left and right sides pump housing demarcation strip (2) in the pump housing (27), two pump housings and low-pressure cavity about the pump housing is separated into, oil-feed valve (28) and fuel-displaced valve (4) are housed respectively on the pump housing of the left and right sides, low-pressure cavity links to each other with filler opening (26), pump casing cover (1) and the airtight formation hyperbaric chamber that links to each other of the pump housing (27), being provided with oil outlet (3) on pump casing cover (1) links to each other with output oil pipe, the termination, the left and right sides of pump housing slideway (24), offer slideway oil inlet and outlet (25) respectively, under the drive of leather bucket (23) at driving mechanism, in the pump housing slideway during move left and right, the left side pump housing and the right pump housing present high pressure and low pressure (vacuum) state respectively, as shown in Figure 1, leather bucket (23) is when moving right, present the low-voltage vacuum district in the pump housing of a left side, after being entered low-pressure cavity by oil suction liquid from filler opening (26), push the oil-feed valve (28) on it open, oil is from left pump housing process slideway oil inlet and outlet (25), enter the left chamber of leather bucket (23), the oil in the right chamber of leather bucket (23) this moment, be compressed into high pressure, entering interior oil-feed valve (28) on the right pump housing is depressed of the right pump housing through oil inlet and outlet (25) closes, high pressure oil backs down the fuel-displaced valve (4) of right pump housing top, enter in the hyperbaric chamber that forms in the pump cover (1), high pressure oil is also depressed the fuel-displaced valve (4) of having closed left pump housing top simultaneously, high pressure oil can only be outputed to outside the pump housing by oil outlet (3), finished the oil transportation task.

When leather bucket (23) right lateral is at the end, when beginning moves left, form the low-voltage vacuum district gradually in the then right pump housing, oil is drawn into the oil-feed valve (28) that the interior back of low-pressure cavity is opened the right pump housing naturally from filler opening (26), oil enters into the right chamber of the right pump housing and leather bucket (23), the oil in the left chamber of while leather bucket (23), be compressed into high pressure oil and after oil outlet (25) comes out, enter the left pump housing, back down the fuel-displaced valve (4) on the left pump housing, enter the fuel-displaced valve of having pushed down simultaneously in the pump cover hyperbaric chamber on the right pump housing (4), high pressure oil is output to outside the pump housing by oil outlet (3), so just make leather bucket (23) in the overall process of move left and right, fluid can both be output to outside the pump from oil outlet (3), has finished the high efficiency characteristic action of the utility model double-action.

Be provided with free wheel device (14) in the termination of bent axle (13), free wheel device (14) has a joint that can free socket shakes handle (12), when under the utility model is not having the environment of power supply, using, to shake handle (12) is socketed on the free wheel device (14), stir and separate handle (11), electric-motor-driving is partly thrown off with bent axle (13) separates, shake handle (12) with manpower, bent axle (13) is rotated, thereby drivening rod (15), pull bar (21) motion, leather bucket (23) be with regard to to-and-fro motion as usual, and double acting piston pump described in the utility model just can proper functioning.

Claims (3)

1. double action high efficiency self suction reciprocating pump that is used to aspirate each class I liquid I (especially lightweight oils), it is characterized in that: slideway cover (19) links into an integrated entity the gearbox (16) and the pump housing (27), the pump housing (27) internal fixation has a left and right sides pump housing demarcation strip (2), upper end, lower end at the left and right sides pump housing, oil-feed valve (28) and fuel-displaced valve (4) are housed respectively, oil outlet (3) is housed on pump casing cover (1), the left and right termination of pump housing slideway (24) has slideway oil inlet and outlet (25) respectively.

2. double-action high efficiency self suction reciprocating pump as claimed in claim 1 is characterized in that: separation handle (11) is arranged in the gearbox (16).

3. double-action high efficiency self suction reciprocating pump as claimed in claim 1 is characterized in that: the termination in bent axle (13) is equipped with free wheel device (14).

Images