WO2022100329A1

WO2022100329A1 - Pressure tank

Info

Publication number: WO2022100329A1
Application number: PCT/CN2021/122963
Authority: WO
Inventors: 戴荷生; 王立峰; 盛康; 朱康华; 周卫荣; 吴远明
Original assignee: 台州韩进泵业有限公司
Priority date: 2020-11-10
Filing date: 2021-10-11
Publication date: 2022-05-19
Also published as: CN213419864U

Abstract

A pressure tank, comprising a housing (1). A bottom housing (7) is provided at the right end of the housing (1); a guide column (3) is fixedly connected at the middle position of a left wall inside the housing (1); an annular rubber pad (6) is clamped on an annular inner wall of the bottom housing (7); a rubber leather bag (8) is fixedly connected at the inner edge of the left end of the annular rubber pad (6); the rubber leather bag (8) is provided in the bottom housing (7) and extends into the housing (1); the left end of the rubber leather bag (8) is fixedly connected to a leather bag sheath (5), and the leather bag sheath (5) is located on the right side of the guide column (3); and a customized spring (4) is provided between the leather bag sheath (5) and a right wall inside the housing (1), and the guide column is provided inside the customized spring (4). During operation, the spring makes the leather bag sheath (5) slide to the right, so that water entering the rubber leather bag (8) is discharged, thereby realizing continuous water supply.

Description

a pressure tank

technical field

The utility model relates to a pressure tank, which belongs to the technical field of pressure tanks.

Background technique

The pressure tank is used in the closed water circulation system, which plays the role of balancing the water volume and pressure, avoiding the frequent opening of the safety valve and the frequent replenishment of the automatic water replenishment valve. , stored in the tank, the gas is compressed and the pressure rises, and when the external force disappears, the compressed gas expands to discharge the water. When the water pump is started, it can achieve continuous water supply and pressure stabilization. At present, the medium pressure tank uses the expansion of the bladder to realize the gas compression. After a long time of use, the pressure tank will leak gas, resulting in a poor service life of the pressure tank. When the pressure tank is working, the compressed gas will accelerate the leakage of the pressure tank, which will affect the stability of the subsequent water supply. Therefore, it is necessary to design a spring-type pressure tank to solve the above problems.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a pressure tank, so as to solve the problem in the above-mentioned background technology that after long-term use, the pressure tank will leak gas, resulting in poor service life of the pressure tank. When the pressure tank is working, the compressed gas will accelerate the leakage of the pressure tank, which will affect the stability of the subsequent water supply. The utility model realizes continuous water supply by customizing the spring, the water supply stability is high, and the service life is improved.

In order to achieve the above purpose, the present utility model is achieved by the following technical solutions: a pressure tank, comprising a casing, a bottom casing is arranged at the right end of the casing, a guide post is fixedly connected in the middle of the left wall inside the casing, and the bottom casing is The annular inner wall is clamped with an annular rubber pad, the left end of the annular rubber pad is fixedly connected to the rubber skin at the inner edge position, the rubber skin is arranged in the bottom shell and extends into the interior of the outer shell, the left end of the rubber skin is fixedly connected to the skin bag sheath and the skin bag. The sheath is located on the right side of the guide post, a customized spring is arranged between the bladder sheath and the inner right wall of the housing, and a guide post is arranged inside the customized spring.

Further, an exhaust valve is arranged in the middle of the left end of the casing, and the exhaust valve passes through the casing and extends to the inside of the guide column, and the lower end of the left side of the guide column is provided with an air hole, and the air hole extends into the guide column and is connected with the exhaust valve. Connected.

Further, the middle position of the right end of the bottom shell is fixedly connected to the hollow connecting column and the hollow connecting column is communicated with the bottom shell, the middle position of the right end of the hollow connecting column is fixedly connected to the hollow threaded column and the hollow threaded column is communicated with the hollow connecting column.

Further, the annular rubber pad and the rubber bladder are in an integrated structure.

Further, the annular outer end on the right side of the casing is fixedly connected to the first annular plate, the annular outer end on the left side of the bottom shell is fixedly connected to the second annular plate, and the second annular plate is located at the right end of the first annular plate, and the first annular plate is located at the right end of the first annular plate. The left end of the annular plate is provided with a plurality of fastening bolts at equal distances, and the fastening bolts are located on the outer side of the casing. The plurality of fastening bolts penetrate through the first annular plate and the second annular plate, and are respectively screwed and fastened with a plurality of fastening nuts. The nut is on the outside of the bottom case.

Further, an annular gasket is arranged between the first annular plate and the second annular plate, and a plurality of the fastening bolts penetrate through the annular gasket.

Further, the annular outer end on the right side of the casing is fixedly connected to the auxiliary annular plate, and the auxiliary annular plate is located on the left side of the first annular plate, and a plurality of the fastening bolts are arranged on the left end of the auxiliary annular plate, and several fastening bolts are arranged on the left end of the auxiliary annular plate. All of them penetrate through the auxiliary annular plate, the first annular plate and the second annular plate, and are respectively screwed with several fastening nuts.

The beneficial effects of the present utility model:

1. In a pressure tank of the present utility model, when the valve closes the negative pressure, a part of the water will enter the rubber bladder through the bottom shell, which will cause the rubber bladder to expand, and then drive the bladder sheath to move from the right to the left. The spring is compressed to make the customized spring elastic. When the valve is opened, under the action of the customized spring, the bladder sheath is pushed to slide to the right, so that the water pump can continuously supply water during the initial operation. Compared with the traditional pressure tank, only It is enough to consider the elasticity and service life of the customized spring, without considering the gas leakage of the pump, the water supply stability is high, and the service life is improved.

2. In a pressure tank of the present invention, the fastening bolts can pass through the first annular plate and the second annular plate, and then be threadedly connected with the fastening nuts. Through the fastening bolts and the fastening nuts, the first annular plate and the The second annular plate is fastened and installed, so as to realize the quick disassembly and assembly of the outer shell and the bottom shell, and facilitate the maintenance and replacement of the internal parts of the tank body.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the initial schematic diagram of a kind of pressure tank of the present utility model;

Fig. 2 is the negative pressure state diagram of a kind of pressure tank of the present utility model;

Fig. 3 is the enlarged view of A part in Fig. 1;

Fig. 4 is the schematic diagram of the shell in a kind of pressure tank of the present invention;

Fig. 5 is the enlarged view of B part in Fig. 4;

FIG. 6 is a schematic diagram of a middle bottom shell of a pressure tank of the present invention.

In the picture: 1- Shell, 2- Exhaust valve, 3- Guide post, 4- Customized spring, 5- Bag sheath, 6- Ring rubber pad, 7- Bottom case, 8- Rubber bag, 11- Auxiliary ring plate , 12-first annular plate, 13-ring gasket, 14-fastening bolt, 15-fastening nut, 71-hollow threaded column, 72-hollow connecting column, 73-second annular plate.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

Embodiment 1, please refer to FIG. 1 and FIG. 2, the present utility model provides a technical solution: a pressure tank, comprising an outer shell 1, the right end of the outer shell 1 is provided with a bottom shell 7, and the middle position of the inner left wall of the outer shell 1 is fixedly connected to a guide post 3 , the annular inner wall of the bottom shell 7 is clamped with an annular rubber pad 6, the left end of the annular rubber pad 6 is fixedly connected to the inner edge position of the rubber skin 8, the rubber skin 8 is arranged in the bottom shell 7 and extends into the interior of the outer shell 1, and the left end of the rubber skin 8 is fixedly connected The bag sheath 5 is located on the right side of the guide post 3. The bag sheath 5 provides a mounting carrier for the customized spring 4, and is also used to protect the rubber bag 8. A customized spring 4 is arranged between the walls and a guide post 3 is arranged inside the customized spring 4 , and the compression movement of the customized spring 4 is guided by the guide post 3 .

Specifically, as shown in FIG. 1 , the annular rubber pad 6 is clamped on the annular inner wall of the bottom case 7, and then the rubber bladder 8 is installed on the bottom case 7, so that the rubber bladder 8 is communicated with the bottom case 7, and then the bottom case 7 is installed. To the right end of the shell 1, the shell 1 and the bottom shell 7 form a tank at this time. When the valve closes the negative pressure, a part of the water will enter the rubber bladder 8 through the bottom shell 7, which will cause the rubber bladder 8 to expand, and then drive the bladder. The sheath 5 moves from the right to the left, compressing the customized spring 4 and making the customized spring 4 elastic. As shown in Figure 2, when the valve is opened, under the action of the customized spring 4, the bag sheath 5 is pushed to slide to the right , so that the water pump can continuously supply water during the initial operation. Compared with the traditional pressure tank, only the elasticity and service life of the customized spring 4 can be considered, and the gas leakage of the pump can be ignored. The water supply stability is high and the service life is improved. .

An exhaust valve 2 is arranged in the middle of the left end of the casing 1 and the exhaust valve 2 passes through the casing 1 and extends to the interior of the guide column 3. The lower left end of the guide column 3 is provided with an air hole, and the air hole extends into the guide column 3 and communicates with the exhaust valve 2. Specifically, through the exhaust valve 2 and the air hole, the gas in the casing 1 can be exhausted.

The middle position of the right end of the bottom shell 7 is fixedly connected to the hollow connecting column 72 and the hollow connecting column 72 is communicated with the bottom shell 7. The middle position of the right end of the hollow connecting column 72 is fixedly connected to the hollow threaded column 71 and the hollow threaded column 71 is communicated with the hollow connecting column 72. Specifically , Through the hollow threaded column 71, the hollow connecting column 72 can be installed with the thread of the water pump, thereby realizing the quick disassembly and assembly of the tank body.

The annular rubber pad 6 and the rubber bladder 8 are in an integrated structure, which is particularly convenient for production.

Example 2, please refer to Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the annular outer end on the right side of the housing 1 is fixedly connected to the first annular plate 12, and the annular outer end on the left side of the bottom shell 7 is fixedly connected to the second annular plate 73 and the second annular plate 73 is located at the right end of the first annular plate 12, the left end of the first annular plate 12 is provided with a plurality of fastening bolts 14 at equal distances, and the fastening bolts 14 are located outside the casing 1, and the plurality of fastening bolts 14 pass through. The first annular plate 12 and the second annular plate 73 are respectively screwed with a plurality of fastening nuts 15 , and the fastening nuts 15 are located outside the bottom case 7 .

Specifically, the fastening bolts 14 can be inserted through the first annular plate 12 and the second annular plate 73 , and then connected with the fastening nuts 15 in a threaded connection. The two annular plates 73 are fastened and installed, so as to realize the quick disassembly and assembly of the outer shell 1 and the bottom shell 7, and facilitate the maintenance and replacement of the internal parts of the tank body.

An annular gasket 13 is arranged between the first annular plate 12 and the second annular plate 73 , and several fastening bolts 14 pass through the annular gasket 13 . Sealing connection of the annular plate 73 .

The annular outer end of the right side of the housing 1 is fixedly connected to the auxiliary annular plate 11, and the auxiliary annular plate 11 is located on the left side of the first annular plate 12. Several fastening bolts 14 are arranged on the left end of the auxiliary annular plate 11, and several fastening bolts 14 They all penetrate through the auxiliary annular plate 11 , the first annular plate 12 and the second annular plate 73 and are respectively screwed to connect several fastening nuts 15 . There is an exposed part between it and the first annular plate 12. When the fastening bolt 14 and the fastening nut 15 cannot be disassembled due to rust and other phenomena, the exposed part of the screw rod of the fastening bolt 14 can be cut off by a tool, and the fastening bolt 14 can be cut off. The connecting piece of the screw of the fixing bolt 14 and the tightening nut 15 is taken out to realize the disassembly of the bottom casing 7 and the outer casing 1, which is convenient for maintenance.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and does not deviate from the present invention. The present invention can be implemented in other specific forms under the condition of the spirit or basic features. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims

A pressure tank is characterized in that it comprises a casing (1), a bottom casing (7) is arranged at the right end of the casing (1), a guide post (3) is fixedly connected in the middle of the inner left wall of the casing (1), and the An annular rubber pad (6) is clamped on the annular inner wall of the bottom shell (7), the left end of the annular rubber pad (6) is fixedly connected to a rubber bladder (8) at the inner edge position, and the rubber bladder (8) is arranged on the bottom shell (7). ) and extend into the casing (1), the left end of the rubber bladder (8) is fixedly connected to the bladder sheath (5) and the bladder sheath (5) is located on the right side of the guide post (3), the bladder sheath ( 5) A customized spring (4) is arranged between the inner right wall of the housing (1) and a guide post (3) is arranged inside the customized spring (4).
A pressure tank according to claim 1, characterized in that: an exhaust valve (2) is provided in the middle of the left end of the casing (1), and the exhaust valve (2) passes through the casing (1) and extends to the guide post (3) Inside, the left lower end of the guide post (3) is provided with an air hole, and the air hole extends into the guide post (3) and communicates with the exhaust valve (2).
A pressure tank according to claim 1, characterized in that: the middle position of the right end of the bottom shell (7) is fixedly connected to the hollow connecting column (72), and the hollow connecting column (72) is communicated with the bottom shell (7), so The middle position of the right end of the hollow connecting column (72) is fixedly connected to the hollow threaded column (71), and the hollow threaded column (71) is communicated with the hollow connecting column (72).
A pressure tank according to claim 1, characterized in that: the annular rubber pad (6) and the rubber bladder (8) are in an integrated structure.
A pressure tank according to claim 1, characterized in that: the right annular outer end of the casing (1) is fixedly connected to the first annular plate (12), and the left annular outer end of the bottom shell (7) is fixed The second annular plate (73) is connected with the second annular plate (73) at the right end of the first annular plate (12), the left end of the first annular plate (12) is provided with a plurality of fastening bolts (14) at equal distances and tightened. The fixing bolts (14) are located on the outer side of the casing (1), and a plurality of the fixing bolts (14) pass through the first annular plate (12) and the second annular plate (73) and are respectively screwed with a plurality of fixing nuts ( 15) and the tightening nut (15) is on the outside of the bottom case (7).
A pressure tank according to claim 5, characterized in that: an annular gasket (13) is arranged between the first annular plate (12) and the second annular plate (73), and a plurality of the fastening bolts are provided. (14) all penetrate the annular gasket (13).
A pressure tank according to claim 5, characterized in that: the right annular outer end of the casing (1) is fixedly connected to the auxiliary annular plate (11), and the auxiliary annular plate (11) is located at the first annular plate (12) ) on the left side, a plurality of the fastening bolts (14) are arranged on the left end of the auxiliary annular plate (11), and the fastening bolts (14) pass through the auxiliary annular plate (11), the first annular plate (12) and the second annular plate (73) and are respectively screwed with several fastening nuts (15).