CN2138666Y

CN2138666Y - Diaphragm pneumatic water storage tank of full automatic running water pump group

Info

Publication number: CN2138666Y
Application number: CN 92231969
Authority: CN
Inventors: 朴三植; 胡渭; 张健同; 岳文法; 袁秀文
Original assignee: Chinese Academy of Agricultural Mechanization Sciences
Current assignee: Chinese Academy of Agricultural Mechanization Sciences
Priority date: 1992-09-03
Filing date: 1992-09-03
Publication date: 1993-07-21
Anticipated expiration: 2002-09-03

Abstract

The utility model relates to a miniature diaphragm pneumatic water storage tank of full automatic running water pump group which is used for supplying city water, particularly household supply city water. The utility model is composed of a gland, a case, a pin valve which is arranged on the upper of the case and a capsule which is arranged in the case and the edge is pinch-off sealed by the gland and the case. The utility model adopts the capsule as the diaphragm between an air cell and a water chamber, avoids gas from leaking in water, simplifies the control measure of gas pressure and enhances the operational reliability of complete machine. In addition, the utility model adopts nitrogen as the working gas of air cell and reduces cost.

Description

Diaphragm pneumatic water storage tank of full automatic running water pump group

The utility model relates to a kind of diaphragm type air pressure water tank of supplying with the full-automatic water service pump unit that tap water uses, especially a kind ofly is used for the diaphragm type air pressure water tank that family supplies with the full-automatic water service pump unit of tap water.

The air pressure water tank of existing full-automatic water service pump unit, the subject matter of its existence is, water in the water tank directly contacts with compressed air, because during air is soluble in water, thereby the volume of air chamber is reduced, weakened the cushioning effect of air chamber, the pump starting is frequent, cause the service behaviour of whole unit to reduce, even forfeiture Automatic Control function.

The purpose of this utility model be to provide a kind of novel, can avoid the water-soluble air pressure water tank of gas, to improve the functional reliability of whole unit.

Diaphragm type air pressure water tank described in the utility model comprises gland 1, the shell 2 affixed with gland 1, it is characterized in that, it also comprises the needle-valve 3 that places on the shell 2, is positioned at shell 2, its edge are compressed sealing by gland 1 and shell 2 capsule 4.

This novel diaphragm type air pressure water tank owing to adopt capsule as the barrier film between air chamber and reservoir chamber, has avoided gas soluble in water, thereby guaranteed the cushioning effect of air chamber, simplify the control measure of gas pressure, improved the functional reliability of complete machine, reduced cost.In addition, the working gas in the utility model air chamber adopts nitrogen, because the compression ratio of nitrogen is bigger than air, the design volume of air chamber is dwindled, and cost further reduces.In sum, the utlity model has good economic benefit.

Narrate embodiment of the present utility model below in conjunction with accompanying drawing.

Fig. 1: structure chart of the present utility model.

Fig. 2: application principle figure of the present utility model.

Among Fig. 1,1 is gland, and 2 is shell, and 3 is needle-valve, and 4 is capsule, and the inner chamber 5 of capsule is a hydroecium, and the space 6 that capsule 4 and shell are 2 is an air chamber.

Fig. 2 is actually the structure principle chart of the full-automatic water service pump unit of using diaphragm type air pressure water tank.Whole unit mainly is made up of parts such as motor 7, water pump 8, water tank 10, pressure switches 9.Its operating principle is: when fetching boiling water tap, the water in the water tank can be in air chamber 6 the dirty depotition cock of effect of compression pressure.The minimizing of the water yield reduces hydroecium pressure in the hydroecium 5, and pressure switch 9 actions this moment start water pump and make it continue to supply water to hydroecium 5; After closing water tap, when treating that water in the hydroecium adds to original amount, the pressure of hydroecium increases to initial value, and at this moment, the pressure switch action makes water pump stop to supply water to hydroecium 5.Hydroecium and air chamber will keep certain pressure, so that the Shi Shuineng that turns on the tap again flows out at once.

In addition, adopt nitrogen in the utility model air chamber, and the compression ratio of nitrogen big than air, thereby make the volume of water tank can design lessly, cancel compensated with air switch used when like product adopts compressed air simultaneously, improved the functional reliability of whole unit.

When the pressure of water tank effect a period of time rear gas chamber 6 reduces, can replenish nitrogen by needle-valve 3.

Claims

1, a kind of diaphragm type air pressure water tank of full-automatic water service pump unit, it comprise gland [1], with the affixed shell [2] of gland [1], of the present utility model being characterised in that, it also comprises the needle-valve [3] that places on the shell [2], is positioned at shell [2], its edge are compressed sealing by gland [1] and shell [2] capsule [4].

2, air pressure water tank according to claim 1 is characterized in that, the working gas of air chamber is a nitrogen.