CN2240063Y

CN2240063Y - Siphon drain pump

Info

Publication number: CN2240063Y
Application number: CN 95229887
Authority: CN
Inventors: 牛金玉
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-29
Filing date: 1995-12-29
Publication date: 1996-11-13
Anticipated expiration: 2005-12-29

Abstract

The utility model relates to a siphon drain pump which comprises a liquid inlet nozzle and a liquid outlet nozzle respectively arranged on a cylinder main body. A piston and a handle bar arranged in the cylinder body are closed by a back close cover. The liquid outlet nozzle arranged on the side wall of the cylinder body is arranged between the front positions of the back close cover. Through the displacement of the piston and positioning the piston at the back end of the liquid outlet nozzle, vacuum which generates siphon forces is formed between the liquid inlet nozzle and the piston, and artesian flows that form liquid media are led out by the liquid outlet nozzle. The utility model has the advantages of simple structure and convenient operation, which is suitable for refueling and changing liquid for various vehicles.

Description

The syphon drainage pump

The utility model belongs to a kind of syphon drainage device that is used for liquid medium, mainly is that prior art constructions has been done improvement.

In the past, for the liquid medium that needs in the amount discharge container, utilized high gesture position to use the mode of suction pipe usually, as aqueous medium or oily medium with mouth suction drainage by the operator.Present technique also relates to for the drainage content that solves liquid medium.For addressing this problem, a kind of stream that the CN2156305Y of Chinese patent bulletin proposes is inhaled two-purpose pump.It mainly is to be added with turnover oil nozzle lid by cylinder body and two ends thereof, utilize the one-way valve that has on the piston in the cylinder body, the keying coordination that drives combined piston mechanism and one-way valve by the drawing handle bar realizes the cylinder body vacuum, makes liquid flow into low gesture position by high gesture position.But the piston of this technological scheme utilizes the composite structure and the one-way cock of many bodies, and its liquid is drawn by going out oil cap by the one-way valve on the piston.So have complex structure, and good sealing, manufacture cost is high.

The purpose of this utility model for the deficiency of avoiding above-mentioned technology provides a kind of simple in structure, is manipulated and syphon drainage pump easy to maintenance.

For achieving the above object, the solution of present technique comprises the liquid inlet and outlet ozzle that has respectively on the cylinder body body, and the piston and the handlebar that are provided with in its cylinder body are made of the rear seal-cover sealing, utilize the fluid ozzle that has on the sidewall of cylinder body body, should be between the lead position of rear seal-cover, make between its feed liquor ozzle and the piston to become vacuum, produce certain siphon power, the gravity flow that forms liquid medium is drawn by the fluid ozzle.

The characteristics that the utility model has compared to existing technology are:

1, has the fluid of utilization ozzle and piston displacement terminal point potential difference and produce siphon power, realize the liquid gravity flow.

2, the syphon drainage pump adopts whole piston structure, and utilizes O-ring seal and cylinder body on it to realize sealing.

3, syphon drainage pump overall structure is simple, and low cost of manufacture is convenient to Operation and maintenance.

In conjunction with the accompanying drawings the utility model is described specifically:

Fig. 1 is a syphon drainage pump structure view.

Fig. 2, Fig. 3 are piston structure embodiment.

By shown in Figure 1, the syphon drainage pump adopts plastic materials to make.Comprise feed liquor ozzle 5 and fluid ozzle 7 that front end on cylinder body 1 body and sidewall end have respectively, but and make the piston 3 that the push-and-pull displacement is set in its cylinder body 1, middle part and two ends by piston 3 are variable-diameter structure, and O-ring seal 4 are set in the radial groove at its two ends and the handlebar 2 that connects is made of rear seal-cover 6 sealings.Fluid ozzle 7 on the described cylinder body 1 body sidewall should be between the lead position end of rear seal-cover, in order to displacement by piston 3, and make it be in the postposition end of fluid ozzle 7, and make in the cylinder body between feed liquor ozzle 5 and the piston 3 and become vacuum, produce certain siphon power, the gravity flow that forms liquid medium is drawn by fluid ozzle 7.

Fig. 2, Fig. 3 show the other two kinds of structures of piston.For guaranteeing that piston and cylinder body form good sealing, can make piston make corresponding change respectively.Piston 13 along single O-ring seal 14 is housed in its radial groove, or is provided with double-sealing cushion rubber 24 with piston 23 along the groove of its isometrical interval location.

The utility model is particularly suitable for the use that liquid is changed in the oiling of vehicles such as automobile, motorcycle.

Claims

1, syphon drainage pump, comprise the liquid inlet and outlet ozzle that has respectively on the cylinder body body, and the piston and the handlebar that are provided with in its cylinder body are made of the rear seal-cover sealing, it is characterized in that it has the fluid ozzle (7) that has on the sidewall that utilizes cylinder body (1) body, should be between the lead position end of rear seal-cover (6), displacement by piston (3), make between its feed liquor ozzle (5) and the piston (3) to become vacuum, produce certain siphon power, the gravity flow that forms liquid medium is drawn by drain pipe (7).

2, by the described syphon drainage pump of claim 1, it is characterized in that described piston (13) is along single O-ring seal (14) is housed in its radial groove.

3,, it is characterized in that described piston (23) is provided with double-sealing cushion rubber (24) along the groove of its isometrical interval location by the described syphon drainage pump of claim 2.