CN204784677U

CN204784677U - Overhead tank

Info

Publication number: CN204784677U
Application number: CN201520511003.1U
Authority: CN
Inventors: 陈辉
Original assignee: Zhejiang Yuanhua Machiney Manufacturing Co Ltd
Current assignee: Zhejiang Yuanhua Machiney Manufacturing Co Ltd
Priority date: 2015-07-15
Filing date: 2015-07-15
Publication date: 2015-11-18
Anticipated expiration: 2025-07-15

Abstract

The utility model discloses an overhead tank, locate a jar internal leather bag including jar body and cover, jar body bottom is equipped with the air cock with the relative department in leather bag bottom. The jar annulus evenly caves in around the inside wall has a plurality of slides, and every slide is closed the form along jar body axial extension and both ends, jar internal transversely be provided with a separation piece, separation piece circle is between leather bag bottom and air cock up end and make both separate, the separation piece includes annular bracing ring and sets up in annular bracing ring and take the flexure strip of bleeder vent, and the terminal surface surrounds one end that its circumference reason was provided with a plurality of compression spring and compression spring and supports and lean on at jar body bottom inner wall under the bracing ring, and the other end supports and leans on under the bracing ring on the terminal surface, corresponds the position with every slide in the bracing ring outer peripheral edges and punishes and do not be provided with the slider, and the slider correspondence is inlayed and is established and slide in the slide. The separation piece can slide from top to bottom, and effective isolation leather bag and air cock under the prerequisite of guaranteeing leather bag steady voltage effect play the effect of protection leather bag.

Description

Pressurized tank

Technical field

The utility model relates to Pressure Control Technology field, particularly relates to a kind of pressurized tank.

Background technique

In existing water pump and pipe-line system, the water hammer phenomenon that a series of pressure sharply usually can be caused because water volume flow rate changes suddenly to be alternately elevated, causes huge infringement to water pump assembly and pipeline.Therefore, above-mentioned water hammer is effectively eliminated when design pressure water system usually through arranging pressurized tank.

The structure of existing pressurized tank comprises tank body and is sheathed on the leather bag in tank body, and the bottom of tank body is provided with the valve for charge and discharge nitrogen.When the hydraulic pressure of pipeline is in peak period, water enters in leather bag by external pressure effect, plays the effect of buffering high pressure water, reduces it to the impact of water pump and the frequently pneumatic number of times of water pump, thus improves the working life of water pump.But this design also exposes a drawback gradually: leather bag easily comes in contact friction with the valve put in tank body when being full of water, if things go on like this causes leather bag breakage to leak, thus lose the effect of voltage stabilizing water resistant hammer.

Propose a kind of technological scheme in patent ZL201420680367.8, pad is installed with what increase leather bag and valve in inner tank wall valve position and touches area.This structure can protect leather bag not damaged to a certain extent, but has little effect, damaged with the excessively same leather bag that can cause of packing friction.

Model utility content

Technical problem to be solved in the utility model is to overcome the problems referred to above, and provides a kind of pressurized tank that effectively can completely cut off leather bag and valve, can play good leather bag protective action when water storage expands.

The technical solution of the utility model is:

A kind of pressurized tank described in the utility model, comprise tank body and be sheathed on the leather bag in tank body, bottom described tank body bottom and leather bag, opposite position is provided with valve, it is characterized in that: described tank body evenly caves in around madial wall multiple slideway, described each slideway is along the axial extension of tank body and two ends are closed form; Be horizontally arranged with a barrier flaps in described tank body, described barrier flaps circle makes both separate bottom leather bag and between valve upper-end surface; Wherein, described barrier flaps comprises annular brace circle and to be arranged in annular brace circle and the spring sheet of band air hole, its circumferential rim is provided with multiple Compress Spring in described bracing ring lower end surface and one end of described Compress Spring is resisted against tank body bottom inwall, the other end is resisted against on bracing ring lower end surface, described bracing ring outer periphery are respectively arranged with slide block with each slideway corresponding position, and described slide block correspondence is embedded also slippage in slideway.

Above structure, the utility model can realize the effective isolation with valve upper-end surface bottom leather bag, makes direct contact not to occur between the two, avoids excessive friction bottom leather bag and damaged.To leather bag, make it expand along with liquid constantly pours into, touch to the spring sheet in barrier flaps bottom leather bag, now under the restoring force of Compress Spring and the comprehensive function of gravity, barrier flaps also finally remains on a state of equilibrium along the upper and lower slippage of slideway; The holder of another aspect spring sheet is held leather bag, by its gravity effect, certain elastic strain is occurred, and both surface of contact Percent of contact area height friction not easily occur and touch.

Further, in pressurized tank described in the utility model, described spring sheet adopts elastic silicone rubber to make, and dough deformation power is strong.

Further, in pressurized tank described in the utility model, the external diameter of described bracing ring is slightly less than the internal diameter of tank body cross section, makes bracing ring can be smooth and easy and rapidly along the upper and lower slippage of slideway.

Further, in pressurized tank described in the utility model, described spring sheet is detachably connected by screw with between bracing ring, is convenient to detachably change the spring sheet of aging breakage.

The beneficial effects of the utility model are:

1, the utility model can the barrier flaps of slippage up and down by arranging between leather bag and valve, under can ensureing the prerequisite of leather bag water storage voltage stabilizing effect, realizes the contactless isolation of leather bag and valve, reaches the object protecting leather bag to extend its working life.

2, detachably connect between spring sheet with bracing ring, can after spring sheet ageing failure quick-replaceable and continue use, extend its working life.

Accompanying drawing explanation

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

Fig. 2 is partial enlarged drawing of the present utility model.

Fig. 3 is that schematic diagram is disassembled in local of the present utility model.

Embodiment

Now by reference to the accompanying drawings the utility model is further described:

With reference to shown in Fig. 1, a kind of pressurized tank described in the present embodiment, the leather bag 2 comprising tank body 1 and be sheathed in tank body 1, bottom described tank body 1 bottom and leather bag 2, opposite position is provided with valve 3.Described tank body 1 evenly caves in around madial wall multiple slideway 4, and described each slideway 4 is along the axial extension of tank body 1 and two ends are closed form.Be horizontally arranged with a barrier flaps 5 in described tank body 1, described barrier flaps 5 boundary makes both separate bottom leather bag 2 and between valve 3 upper-end surface.

With reference to shown in Fig. 2, Fig. 3, wherein more specifically, described barrier flaps 5 comprises annular brace circle 6 and to be arranged in annular brace circle 6 and the spring sheet 7 of band air hole.Described spring sheet 7 is detachably connected by screw so that the replacing (not shown) in later stage with between bracing ring 6.Its circumferential rim is provided with multiple Compress Spring 8 in described bracing ring 6 lower end surface and one end of described Compress Spring 8 is resisted against tank body 1 bottom inwall, the other end is resisted against on bracing ring 6 lower end surface, described bracing ring 6 outer periphery are respectively arranged with slide block 9 with each slideway 4 corresponding position, and described slide block 9 correspondence is embedded also slippage in slideway 4.

It should be noted that, the external diameter of bracing ring 6 described in the present embodiment is slightly less than the internal diameter of tank body 1 cross section, and the 0.8-0.9 of ideal design to be its external diameter the be horizontal internal diameter of tank body 1 doubly.This is to ensure there is certain free gap between bracing ring 6 outer rim and tank body 1 inwall, prevents contact tension and causes friction stuck, being convenient to the smooth and easy slippage up and down realizing barrier flaps 5.

In addition, it should be noted that, said structure is selected to consider each side factors such as ageing-resistant performance, softness and manufacture cost in the material for spring sheet 7, thus spring sheet 7 described in the present embodiment is preferably easy to acquisition, elastic silicone rubber with low cost, show as strong elasticity, softness is yielding, and wear resistance, winter hardiness, heat resistance, insulating properties are all very good.

The present embodiment is arranged in the pressure water supply pipeline of water pump water outlet safety check, water is pressed in leather bag 2 and leather bag 2 is outwards expanded by exterior line, when bottom expansion is to when touching spring sheet 7, water body gravity drives barrier flaps extrude Compress Spring 8 downwards and move down along slideway 4 until reach balance and stability in a certain position, spring sheet 7 coincide and abuts in bottom leather bag 2 simultaneously, and there is certain Bending Deformation with the expansion radian of leather bag 2, not easily occur between the two to rub back and forth.Above-mentioned barrier flaps 5 can not only ensure leather bag 2 expansion space enough greatly by its slippage change; do not affect effect of its voltage stabilizing and elimination water hammer; and the technological scheme increasing pad is relied on compared to tradition; the design of barrier flaps 5 can replace leather bag 2, with valve 3, rubbing contact occur, and effectively plays the effect of protection leather bag 2.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.

Claims

1. a pressurized tank, comprise tank body and be sheathed on the leather bag in tank body, bottom described tank body bottom and leather bag, opposite position is provided with valve, it is characterized in that: described tank body evenly caves in around madial wall multiple slideway, and described each slideway axially to extend and two ends are closed form along tank body; Be horizontally arranged with a barrier flaps in described tank body, described barrier flaps circle makes both separate bottom leather bag and between valve upper-end surface; Wherein, described barrier flaps comprises annular brace circle and to be arranged in annular brace circle and the spring sheet of band air hole, its circumferential rim is provided with multiple Compress Spring in described bracing ring lower end surface and one end of described Compress Spring is resisted against tank body bottom inwall, the other end is resisted against on bracing ring lower end surface, described bracing ring outer periphery are respectively arranged with slide block with each slideway corresponding position, and described slide block correspondence is embedded also slippage in slideway.

2. pressurized tank according to claim 1, is characterized in that: described spring sheet adopts elastic silicone rubber to make.

3. pressurized tank according to claim 1, is characterized in that: the external diameter of described bracing ring is slightly less than the internal diameter of tank body cross section.

4. pressurized tank according to claim 1, is characterized in that: described spring sheet is detachably connected by screw with between bracing ring.