CN105179759A

CN105179759A - Concave discharging check valve with sealing ribs

Info

Publication number: CN105179759A
Application number: CN201510700205.5A
Authority: CN
Inventors: 项树民; 黄贤榜
Original assignee: HANGZHOU LEFOO INDUSTRIAL Co Ltd
Current assignee: HANGZHOU LEFOO INDUSTRIAL Co Ltd
Priority date: 2015-10-26
Filing date: 2015-10-26
Publication date: 2015-12-23

Abstract

The invention provides a concave discharging check valve with sealing ribs. The concave discharging check valve is in a bowl shape, wraps a water discharging hole of a high-pressure cavity of a diaphragm chamber and comprises a plurality of valve partitions, and the sealing ribs are formed on the peripheral edges of the lower surfaces of all the valve partitions. According to the concave discharging check valve with the sealing ribs, surface sealing is changed into line sealing through the sealing ribs, the sealing degree is increased, the influences on the sealing performance due to the fact that dirt and impurities deposit on sealing surfaces and even microorganisms grow on the sealing surfaces are reduced, high-pressure water is prevented from flowing to a low-pressure cavity to the maximum when the low-pressure cavity conducts water sucking action from a water storage cavity, and pump drainage efficiency is improved.

Description

Spill with sealed muscle discharges safety check

Technical field

The invention belongs to reverse osmosis suction booster field, specifically a kind of spill with sealed muscle discharges safety check.

Background technique

Existing reverse osmosis boosting pump structure, its structure is presented as that chamber of septum has low-pressure cavity, hyperbaric chamber and water storage cavity, and hyperbaric chamber is concavity sphere, is distributed with weep hole, discharge safety check and be positioned at hyperbaric chamber, and surround weep hole, low-pressure cavity is distributed with suction hole, and inhalation check valve covers suction hole, under the effect of the escapement of driven by motor, the water of water storage cavity sucks low-pressure cavity after suction hole, and setting-out, to hyperbaric chamber, is discharged by hyperbaric chamber.

As shown in Figure 1, when low-pressure cavity does water suction action from water storage cavity, discharge safety check can only cover weep hole ideally and seal it, and this sealing is face sealing, easily occurs revealing; After suction booster long-time running, discharge meeting dirt deposits, impurity on safety check, microorganism grows on the sealing surface of discharging safety check even, sealing surface is caused to be not closed completely, in low-pressure cavity water absorption course, comparatively early occur that high pressure water adverse current returns low-pressure cavity, affect pump drainage efficiency.

Summary of the invention

In order to solve the above-mentioned technical problem existed in prior art, the invention provides a kind of spill with sealed muscle and discharge safety check, in bowl-shape, surround the weep hole of the hyperbaric chamber of chamber of septum, comprise multiple valve block district, each valve block district lower surface periphery forms sealed muscle.

Further, the height of described sealed muscle is 0.2-0.7mm.

Further, described hyperbaric chamber is provided with the radial groove of location, and this spill is discharged on safety check lower surface and arranged convex tendon, and this convex tendon is embedded into radial groove and is combined together, the position that this spill discharges the corresponding convex tendon of safety check upper surface is provided with muscle, thus valve block is divided into multiple valve block district.

The spill of band sealed muscle of the present invention is discharged safety check and is made face sealing into linear sealing by sealed muscle, increase tightness, reduce dirt deposits, impurity on sealing surface, microorganism grows the impact brought sealing on sealing surface even, at utmost stop high pressure water adverse current to low-pressure cavity when low-pressure cavity does water suction action from water storage cavity, improve pump drainage efficiency.

Accompanying drawing explanation

Fig. 1 is that the spill of prior art discharges non-return using state schematic diagram;

Fig. 2 is the structural representation of chamber of septum;

Fig. 3 is that the spill of band sealed muscle of the present invention discharges check valve structure schematic diagram;

Fig. 4 is that the spill of band sealed muscle of the present invention discharges safety check bottom schematic view;

Fig. 5 is that the spill of band sealed muscle of the present invention discharges safety check using state schematic diagram.

Embodiment

Below in conjunction with accompanying drawing, the invention will be further described.

As in Figure 2-4, the spill of band sealed muscle of the present invention discharges safety check, in bowl-shape, surround the weep hole 3 of the hyperbaric chamber 2 of chamber of septum 1, bottom it, sphere curved surface rate is identical with hyperbaric chamber 2, hyperbaric chamber 2 is provided with the radial groove 4 of location, this spill is discharged on safety check lower surface and is arranged convex tendon 5, this convex tendon 5 is embedded into radial groove 4 and is combined together, the position that this spill discharges the corresponding convex tendon 5 of safety check upper surface is provided with muscle 6, thus valve block being divided into multiple valve block district, each valve block district lower surface periphery forms sealed muscle 7.Preferably, the height of sealed muscle 7 is 0.2-0.7mm.

As shown in Figure 5, after spill discharge safety check is installed to hyperbaric chamber, due to the convex effect of sealed muscle, valve block district seals the weep hole 3 of hyperbaric chamber 2 closely.Even if adjacent valve section opening encapsulation also can not be affected.

Check experiment

In order to the sealing effect checking the spill arranging sealed muscle to discharge the discharge safety check of safety check and prior art, following experiment is set.

Test condition:

Dry state self-priming is tested: normal temperature 25 °, and pump head inside is anhydrous, water outlet access pressurized gas;

Air leakage: normal temperature 25 °, pump head inside is anhydrous, water outlet access 0.2Mpa pressurized gas, in the water that submerged by entery and delivery port 1 minute, measures number of bubbles.

Working state

Voltage: 24v water outlet pressure: 0.5Mpa; Shutoff water outlet;

Testing apparatus:

DC power supply, air leakage detector, suction lift testing apparatus, three industry control test platforms, measuring cup, Chronograph, noise instrument, turbidimeter, omnipotent pressure test machine, digital display thermostat water bath, Shore durometer.

Test result:

For the first time:

For the second time:

For the third time:

Visible, after changing the spill discharge safety check of band sealed muscle of the present invention, the sealability of hyperbaric chamber improves greatly, and because moulding different batches product exists change in drain opening local, after using this spill to discharge safety check, the conformity of batch performance improves simultaneously greatly.

Claims

1. spill with sealed muscle discharges a safety check, in bowl-shape, surrounds the hyperbaric chamber (2) of chamber of septum (1)

Weep hole (3), is characterized in that: comprise multiple valve block district, and each valve block district lower surface periphery forms sealed muscle (7).

2. the spill of band sealed muscle as claimed in claim 1 discharges safety check, it is characterized in that: the height of described sealed muscle (7) is 0.2-0.7mm.

3. the spill of band sealed muscle as claimed in claim 1 or 2 discharges safety check, it is characterized in that: described hyperbaric chamber (2) is provided with the radial groove (4) of location, this spill is discharged on safety check lower surface and is arranged convex tendon (5), this convex tendon (5) is embedded into radial groove (4) and is combined together, the position that this spill discharges the corresponding convex tendon (5) of safety check upper surface is provided with muscle (6), thus valve block is divided into multiple valve block district.