CN210371981U

CN210371981U - Pressure water storage bucket seal structure

Info

Publication number: CN210371981U
Application number: CN201921269036.4U
Authority: CN
Inventors: 朱薪霓
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-21
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a pressure water storage bucket seal structure, including outer staving and inner bag, the inner bag is located outer staving, forms between the two and aerifys the chamber, outer staving upper end is equipped with the through-hole, the business turn over water screw rod of formation integral type is upwards extended on inner bag upper portion, business turn over water screw rod pass behind the through-hole with nut threaded connection, business turn over water screw rod is including linking gradually integrative screw rod section and undergauge section, the terminal surface is equipped with down seal ring under the nut, nut threaded connection is in the screw rod section, seal ring is located between outer staving and the nut down. The utility model discloses not only installation procedure is simple, simple structure, and sealed effect is better moreover.

Description

Pressure water storage bucket seal structure

Technical Field

The utility model belongs to the technical field of pressure water storage bucket, especially, relate to a pressure water storage bucket seal structure.

Background

Pressure water storage tanks have been widely used in water treatment systems, such as water purification systems, constant pressure water supply systems. The high-strength air-filled liner is generally composed of a shell which can bear high-strength pressure, usually made of iron, steel or glass fiber reinforced plastic, an elastic liner is arranged in the shell, air with certain pressure is pre-filled outside the liner, and water is stored in the liner. The accessible inlet outlet gets into the inner bag after water is pressurized and stores, and the water of pouring into is more, and the inner bag will constantly expand, and the air in the outside is constantly compressed, and air is constantly risen by the pressure after being compressed, and the pressure of the inside and outside inner bag can reach the balance at last, fills the water process and has just been accomplished. When water is needed to be used, once the water outlet channel is opened, the external water pressure is smaller than the pressure in the leather bag, and the water can be automatically conveyed out of the water storage device, so that water supply is realized.

Common pressure water storage bucket seal structure in market includes outer staving, inner bag and business turn over water screw rod, and the inner bag is located outer staving, forms between the two and aerifys the chamber, and outer staving upper end is equipped with the through-hole, and inner bag upper portion cover is outside business turn over water screw rod, and business turn over water screw rod lower extreme is equipped with the chucking ring, business turn over water screw rod pass behind the through-hole with nut threaded connection, and the chucking ring fastens inner bag upper portion with business turn over water screw rod. The sealing structure needs to be installed by adopting a plurality of working procedures, the structure is complex, and the sealing effect is not good.

To the above-mentioned problem, the inventor discloses a pressure water storage bucket seal structure in chinese utility model patent that patent number is 201621289717.3, including outer staving and inner bag, the inner bag is located outer staving, forms between the two and aerifys the chamber, outer staving upper end is equipped with the through-hole, the business turn over water screw rod of the integral type of upwards extending formation in inner bag upper portion, business turn over water screw rod pass on the through-hole after with nut threaded connection, be equipped with O shape sealing washer on the business turn over water screw rod, between outer staving and the inner bag, though simple structure has simplified the installation procedure, but sealed effect still remains to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual pressure water storage bucket seal structure to above-mentioned prior art not enough.

In order to solve the above problems, the utility model adopts the following technical proposal:

the utility model provides a pressure water storage bucket seal structure, includes outer staving and inner bag, and the inner bag is located outer staving, forms between the two and aerifys the chamber, outer staving upper end is equipped with the through-hole, inner bag upper portion upwards extends the business turn over water screw rod that forms the integral type, business turn over water screw rod pass behind the through-hole with nut threaded connection, business turn over water screw rod is including linking screw rod section and the undergauge section into an organic whole in proper order, the terminal surface is equipped with down seal ring under the nut, nut threaded connection is in the screw rod section, lower seal ring is located between outer staving and.

A further technical scheme is that the lower end face inner side of the nut is provided with a concave table, the upper end face inner side of the lower sealing washer is provided with a first boss, the outer diameter of the first boss is larger than that of the concave table, and the first boss partially enters the concave table under the extrusion of the nut.

According to a further technical scheme, a second boss is arranged at the lower part of the screw section, and the upper end face of the second boss protrudes out of the outer barrel body and contacts with the inner side of the lower end face of the lower sealing washer.

The outer side of the lower end face of the lower sealing washer is attached to the outer barrel body.

According to a further technical scheme, an upper sealing washer is arranged on the upper end face of the screw cap, and the inner side of the lower end face of the upper sealing washer abuts against a step face between the screw section and the reducing section.

A further technical scheme is that O-shaped sealing rings are arranged between the upper water inlet and outlet screw rod, the outer barrel body and the inner container.

The further technical proposal is that a water inlet and outlet channel is arranged in the water inlet and outlet screw.

According to a further technical scheme, the outer barrel body is made of metal.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses not only installation procedure is simple, simple structure, and sealed effect is better moreover.

Drawings

FIG. 1 is a schematic structural view of the present invention when the nut is not tightened;

FIG. 2 is a schematic view of the nut tightening structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. an outer barrel body; 2. an inner container; 3. an inflation cavity; 4. a water inlet and outlet screw; 41. a screw section; 411. a second boss; 42. a reducing section; 5. an O-shaped sealing ring; 6. an upper sealing washer; 7. a nut; 71. a concave platform; 8. a lower sealing gasket; 81. a first boss.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-3, a pressure water storage barrel sealing structure comprises an outer barrel body 1 and an inner container 2, wherein the inner container 2 is positioned in the outer barrel body 1, an inflation cavity 3 is formed between the outer barrel body 1 and the inner container, a through hole is formed in the upper end of the outer barrel body 1, the upper portion of the inner container 2 extends upwards to form an integrated water inlet and outlet screw rod 4, and a water inlet and outlet channel is formed in the water inlet and outlet screw rod 4. Business turn over water screw rod 4 passes behind the through-hole and 7 threaded connection with the nut, be equipped with O shape sealing washer 5 between business turn over water screw rod 4 upper and outer staving 1 and the inner bag 2, business turn over water screw rod 4 is including linking screw section 41 and the undergauge section 42 as an organic whole in proper order, the terminal surface is equipped with down seal ring 8 under the nut 7, nut 7 up end is equipped with

seal ring

6, 7 threaded connection of nut 41 in screw section 41, seal ring 8 is located between outer staving 1 and the nut 7 down, the lower terminal surface inboard of going up seal ring 6 supports on the step face of leaning on between screw section 41 and undergauge section 42, goes up seal ring 6 and improves the leakproofness when being used for being connected with float switch.

The lower terminal surface of nut 7 is equipped with concave station 71, seal ring 8's up end is equipped with first boss 81 down, the external diameter of first boss 81 is greater than concave station 71's external diameter, first boss 81 gets into in concave station 71 at the extrusion of nut 7 lower part, screw rod section 41 lower part is equipped with second boss 411, the up end salient of second boss 411 is in the inboard contact of the lower terminal surface of outer staving 1 with lower seal ring 8, seal ring 8's lower terminal surface outside and the laminating of outer staving 1 down, further improvement sealing performance.

The outer tub 1 is made of metal.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a pressure water storage bucket seal structure, includes outer staving (1) and inner bag (2), and inner bag (2) are located outer staving (1), form between the two and aerify chamber (3), outer staving (1) upper end is equipped with the through-hole, inner bag (2) upper portion upwards extends business turn over water screw rod (4) that form the integral type, business turn over water screw rod (4) pass behind the through-hole with nut (7) threaded connection, its characterized in that: business turn over water screw rod (4) are including linking gradually integrative screw rod section (41) and undergauge section (42), terminal surface is equipped with down seal ring (8) under nut (7), nut (7) threaded connection is in screw rod section (41), seal ring (8) are located between outer staving (1) and nut (7) down.

2. The pressure water storage bucket sealing structure of claim 1, characterized in that: the lower extreme face inside of face of nut (7) is equipped with concave station (71), the upper end face inside of face of lower seal ring (8) is equipped with first boss (81), the external diameter of first boss (81) is greater than the external diameter of concave station (71), first boss (81) are in the extrusion part entering concave station (71) of nut (7).

3. The pressure water storage bucket sealing structure of claim 1, characterized in that: and a second boss (411) is arranged at the lower part of the screw rod section (41), and the upper end surface of the second boss (411) protrudes out of the outer barrel body (1) and is contacted with the inner side of the lower end surface of the lower sealing washer (8).

4. The pressure water storage bucket sealing structure of claim 1, characterized in that: the outer side of the lower end face of the lower sealing washer (8) is attached to the outer barrel body (1).

5. The pressure water storage bucket sealing structure of claim 1, characterized in that: the upper end face of the screw cap (7) is provided with an upper sealing washer (6), and the inner side of the lower end face of the upper sealing washer (6) is abutted against the step face between the screw rod section (41) and the reducing section (42).

6. The pressure water storage bucket sealing structure of claim 1, characterized in that: o-shaped sealing rings (5) are arranged on the water inlet and outlet screw rod (4) and between the outer barrel body (1) and the inner container (2).

7. The pressure water storage bucket sealing structure of claim 1, characterized in that: and a water inlet and outlet channel is arranged in the water inlet and outlet screw rod (4).

8. The pressure water storage bucket sealing structure of claim 1, characterized in that: the outer barrel body (1) is made of metal.