CN2295857Y - Leakageproof manpowered pump - Google Patents

Abstract

The utility model relates to a non-leakage manual pump. Being a minitype manual pump, the utility model can be continuously pressed to move to supply water back and forth. The structure of the utility model is composed of a pump body, a pressing and moving device, a control valve and a moving mechanism. The inside of the pump body is divided into a right and a left liquid storage chambers by a diaphragm device of the pressing and moving device which is arranged in the middle of the pump body; the inlet and the outlet ends of the liquid storage chambers are respectively provided with a control valve. The pressing and moving device is connected with the lever-type moving mechanism. The utility model has the characteristics of novel structure, flexible operation, large water supply, simple and convenient repair, long service life, no leakage of the pump body, etc. The utility model can be widely suitable for various minitype boilers or devices for manual water supply.

Description

Leak-free hand-operating pump

Leak-free hand-operating pump described in the utility model is a kind of being used for to miniature boiler or the reciprocal continuously new types of diaphragm structure hand pump that supplies water of other device.

At water supply, the used small scall coal-fired boiler or the oil-fired boiler of heating of China railways passenger vehicle, except that motor pump supplied water, the moving raw water service pump of the normal equal armrest of moisturizing was realized at present.And existing hand pump to have two kinds of patterns a kind of be the lever type pressure-actuating, this structure is used for many years always and is not changed, and has problems such as volume is big, structure is heavy, press effort, water-outlet quantity is little, and often is obstructed owing to piston and can't presses water supply.Another kind is the reciprocal type pressure-actuating of lever, this structure by the rotation of rotating pressing plate in the pump housing realize into, draining.Though this kind structure is more advanced than lever type pressure-actuating structure, problem such as serious existing rotates that pressing plate is subjected to that card can not be worked, pin fractures and can't repairs, the setting-out amount is little, pump housing seepage, amount of maintenance are big.At existing problem in the above-mentioned prior art, design a kind of Leakless hand pump of rational in infrastructure, advanced technology, existing problem is very necessary in the prior art thereby overcome.

In view of existing problem in the above-mentioned prior art, the purpose of this utility model be development a kind of rational in infrastructure, advanced in performance, use that reliable, flexible operation, water output are big, long service life, the leak free novel manual pump of the pump housing.The utility model is by the ingenious cooperation of membrane configuration and mobile mechanism, thereby creates a kind of Leakless hand pump of practicality.

Leak-free hand-operating pump described in the utility model is characterized in that being made up of the pump housing, pressure-actuated device, control valve, mobile mechanism; Pressure-actuated device is made of diaphragm apparatus and pull bar, will be divided into two not connected chambeies, promptly left liquid storage cylinder and right liquid storage cylinder in the pump housing by diaphragm apparatus; Pull bar is connected mutually with diaphragm apparatus, and the snakelike stuffing box gland of rubber-like is housed on pull bar, and pull bar is connected with mobile mechanism, realizes the to-and-fro motion of pressure-actuated device by the effect of mobile mechanism; One end of control valve is connected with the pump housing, and the other end is connected with liquid outlet and liquid entering hole.Leak-free hand-operating pump described in the utility model is characterized in that diaphragm apparatus in the pressure-actuated device by diaphragm plate, and left gland and right gland are formed; Diaphragm plate is packed in the middle of left gland and the right gland, is connected with the top cap by the pull bar front end, and pull bar is fixed with one with diaphragm apparatus; The periphery of diaphragm plate is inlaid on the inwall of the pump housing.Leak-free hand-operating pump described in the utility model is characterized in that the diaphragm plate in the diaphragm apparatus can be made up of one or more pieces, and adopts rubber or other elastic material to make.Leak-free hand-operating pump described in the utility model; It is characterized in that control valve is made up of outlet duplex one-way valve and inlet duplex one-way valve; Two liquid feeding ends of outlet duplex one-way valve are connected with left liquid storage cylinder and right liquid storage cylinder respectively, and its outlet end communicates with liquid outlet; Two outlet ends of inlet duplex one-way valve are connected with left liquid storage cylinder and right liquid storage cylinder respectively, and its liquid intake end communicates with liquid entering hole.Leak-free hand-operating pump described in the utility model is characterized in that mobile mechanism is made up of connecting rod, depression bar and bearing pin; One end of connecting rod is connected with the pump housing by bearing pin, and its other end is connected with depression bar by bearing pin, and depression bar is connected with pull bar by bearing pin.Leak-free hand-operating pump described in the utility model is characterized in that mobile mechanism can be by manual control or electronic control.

This Leakless hand pump provided by the utility model is primarily aimed at the replacement requirement of the manual raw water service pump of boiler on the present passenger train.Coal fired boiler on passenger vehicle or its way of supplying water of oil-fired boiler are except that motor-driven raw water service pump at present, also need be equipped with manual small pump, and existing old-fashioned raw water service pump unreasonable structure, leak serious, water output is little, and the parts in the pump housing are fragile, amount of maintenance is big, thereby cause the huge waste of human and material resources, financial resources.The utility model adopts new-type structure, thereby overcome original shortcoming and problem, its main feature is: the pump housing does not have that leakage, water output are big during work, flexible operation, use is reliable, time saving and energy saving, workpiece is not fragile, easy to maintenance, long service life, easy for installation and can continuous water supply.The utility model needs being extensive use of on manual miniature boiler that supplies water or the device will produce remarkable economic efficiency and positive social benefit at China's passenger vehicle boiler and other kind.

The utility model has two accompanying drawings, and wherein: accompanying drawing 1 is that the structural drawing accompanying drawing 2 of leak-free hand-operating pump is the connecting structure schematic representation of control valve

Among the figure: 1, liquid outlet 2, outlet duplex one-way valve 3, left liquid storage cylinder 4, the pump housing 5, diaphragm plate 6, left gland 7, right gland 8, axle sleeve 9, top cap 10, pull bar 11, right liquid storage cylinder 12, inlet duplex one-way valve 13, lower cover 14, snakelike stuffing box gland 15, bearing pin 16, connecting rod 17, handle 18, depression bar 19, bearing pin 20, opening cell body 21, bearing pin 22, drag link sleeve 23, upper press cover 24, liquid entering hole

Specific embodiment of the utility model as shown in drawings, its structure is in the pump housing 2 pressure-actuated device to be housed, control valve and mobile mechanism.Pressure-actuated device is made of diaphragm apparatus and pull bar 10, will be divided into two not connected chambeies in the pump housing 4 by diaphragm apparatus, promptly left liquid storage cylinder 3 and right liquid storage cylinder 11.Control valve is made up of outlet duplex one-way valve 2 and inlet duplex one-way valve 12.Two liquid feeding ends (A, B) of outlet duplex one-way valve 2 are connected with left liquid storage cylinder 3 and right liquid storage cylinder 11 respectively, and its outlet end (C, D) communicates with liquid outlet 1.Two outlet ends (E, F) of inlet duplex one-way valve 12 are connected with left liquid storage cylinder 3 and right liquid storage cylinder 11 respectively.Its liquid intake end (H, G) communicates with liquid entering hole 24.Diaphragm plate 5 in the diaphragm apparatus is packed in the middle of left gland 6 and the right gland 7 and by the threaded stem that injects pull bar 10 front ends in its intermediate hole and is connected with top cap 9, and pull bar 10 is fixed with one with diaphragm apparatus.Diaphragm plate 5 is the round rubber plate, and its periphery is inlaid on the inwall of the pump housing 4.Mobile mechanism is made up of connecting rod 16, depression bar 18 and bearing pin.One end of connecting rod 16 is connected with the pump housing 4 by bearing pin 15, and its other end is connected with depression bar 18 by bearing pin 19, and depression bar 18 is connected with pull bar 10 by bearing pin 21, on the top of depression bar 18 handle 17 is housed.By to the moving of handle 17, can drive the forward and backward of pull bar 10 and diaphragm apparatus and move.Working principle of the present utility model is, when operating grip 17 is moved backward, then the effect by connecting rod 6 moves forward pull bar 10, and then drives diaphragm apparatus and compress the A end that left liquid storage cylinder 3 is discharged the intracavity liquid pressurized to enter the two-way simply connected valve 2 of outlet, pushes valve port open and discharges from liquid outlet 1.This moment, right liquid storage cylinder 11 was widened by diaphragm apparatus and interior pressure reduces, and then liquid is opened the G end of inlet duplex one-way valve 12 by liquid entering hole 24, pushes valve port open, enters in the right liquid storage cylinder 11.When should operating grip 7 moving forward, then force liquid to push valve port open from the B end of outlet duplex one-way valve 2, discharge from liquid outlet 1.And liquid is from the H end input of inlet duplex one-way valve.By the operator the forward and backward of handle 17 constantly moved like this, can be realized the continuous input and output of liquid, thereby finish the continuous operation of pump.

Claims (6)

1, a kind of leak-free hand-operating pump is characterized in that being made up of the pump housing (4), pressure-actuated device, control valve, mobile mechanism; Pressure-actuated device is made of diaphragm apparatus and pull bar (10), will be divided into two not connected chambeies in the pump housing (4) by diaphragm apparatus, promptly left liquid storage cylinder (3) and right liquid storage cylinder (11); Pull bar (10) is connected mutually with diaphragm apparatus, and the snakelike stuffing box gland of rubber-like (14) is housed on pull bar (10), and pull bar (10) is connected with mobile mechanism, realizes the to-and-fro motion of pressure-actuated device by the effect of mobile mechanism; The same pump housing of one end (4) of control valve is connected, and same liquid outlet of the other end (1) and liquid entering hole (24) are connected.

2, leak-free hand-operating pump according to claim 1 is characterized in that diaphragm apparatus in the pressure-actuated device by diaphragm plate (5), and left gland (6) and right gland (7) are formed; Diaphragm plate (5) is packed in the middle of left gland (6) and the right gland (7), is connected with top cap (9) by pull bar (10) front end, and pull bar (10) is fixed with one with diaphragm apparatus; The periphery of diaphragm plate (5) is inlaid on the inwall of the pump housing (4).

3, leak-free hand-operating pump according to claim 1 and 2 is characterized in that the diaphragm plate (5) in the diaphragm apparatus can be made up of one or more pieces, and adopts rubber or other elastic material to make.

4, leak-free hand-operating pump according to claim 1; It is characterized in that control valve is made up of outlet duplex one-way valve (2) and inlet duplex one-way valve (12); Two liquid feeding ends (A, B) of outlet duplex one-way valve (2) are connected with left liquid storage cylinder (3) and right liquid storage cylinder (11) respectively, and its outlet end (C, D) same liquid outlet (1) communicates; Two outlet ends (E, F) of inlet duplex one-way valve (12) are connected with left liquid storage cylinder (3) and right liquid storage cylinder (11) respectively, and its liquid intake end (H, G) same liquid entering hole (24) communicates.

5, leak-free hand-operating pump according to claim 1 is characterized in that mobile mechanism is made up of connecting rod (16), depression bar (18) and bearing pin; One end of connecting rod (16) is connected by the same pump housing of bearing pin (15) (4), and its other end is connected by the same depression bar of bearing pin (19) (18), and depression bar (18) is connected by the same pull bar of bearing pin (21) (10).

6, leak-free hand-operating pump according to claim 1 or 5 is characterized in that mobile mechanism can be by manual control or electronic control.