Air bag for pressure tank

Abstract

The utility model relates to the field of water supply air bags and discloses an air bag for a pressure tank. The pressure tank comprises a pressure tank main body, an air bag main body is arranged in the pressure tank main body, the air bag main body comprises an outer-layer protection bag and an inner-layer air bag, the outer wall of the inner-layer air bag is fixedly connected with an inner-layer air bag protection ring, the outer wall of the inner-layer air bag protection ring is fixedly connected with a connecting strip, and the connecting strip is in a hollow shape; the inner side air bag protection ring can reinforce the outer ring of the inner layer air bag and is fixed to the inner wall of the outer layer protection bag through the connecting strips, and when the outer wall of the inner layer air bag is damaged, air pressure and liquid in the inner layer air bag are sealed and protected through the outer layer protection bag. Liquid in the inner-layer air bag can pass through the gap between the outer-layer protective bag and the connecting strip, the protective connecting ring and the rubber connecting net to be output through the flange plate; through cooperation of the structure, liquid in the air bag can be guided when the air bag is damaged, and damage of the liquid to the pressure tank body is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of water supply airbags, and specifically relates to an airbag for a pressure tank. Background Art

[0002] The pressure tank is generally installed between the water distribution pump and the pipeline network. It buffers the pressure fluctuations of the system, eliminates water hammer and plays the role of stabilizing pressure and unloading. When the water pressure in the system changes slightly, the role of the air bag in the pressure tank is to maintain the pressure balance in the tank, absorb shock and vibration, provide pressure protection and increase flexibility.

[0003] In the patent document with announcement number CN 215594244 U, an airbag for an airbag pressure tank is disclosed, including an airbag main body, a cavity shaft is inserted into the interior of the airbag main body from below, the cavity shaft is provided with dense through holes, and limit rods are installed on the four sides of the cavity shaft near the bottom, the lower end of the cavity shaft passes through the lower end of the airbag main body, and the cavity shaft passes through the partial circumference of the airbag main body and is sealed on the outside, the limit rod includes a cylinder, one end of the cylinder is fixedly connected to the cavity shaft, and a rod body is inserted into the end of the cylinder, and the other end of the rod body is fixedly connected to the inner wall of the airbag main body, and the end of the rod body inserted into the cylinder is fixedly connected to a baffle, and the diameter of the end of the cylinder close to the rod body is smaller than the diameter of the baffle.

[0004] However, the applicant discovered during the process of implementing the above application that when the airbag body is damaged, the liquid in the airbag body will flow into the interior of the pressure tank. Utility Model Content

[0005] The purpose of the present application is to provide an air bag for a pressure tank in order to solve the above-mentioned problems.

[0006] The technical solution adopted in the present application is as follows: an airbag for a pressure tank, comprising a pressure tank body, an airbag body is arranged inside the pressure tank body, the airbag body comprises an outer protective bag and an inner airbag, the outer wall of the inner airbag is fixedly connected to an inner airbag protective ring, the outer wall of the inner airbag protective ring is fixedly connected to a connecting strip, the connecting strip is hollow, and the lower end of the pressure tank body is fixedly connected to a flange.

[0007] In a preferred embodiment, the lower end of the inner airbag is fixedly connected to a water bag inlet pipe, the lower side of the outer end of the water bag inlet pipe is fixedly connected to an inlet connecting strip, and the end of the inlet connecting strip away from the inner airbag is fixedly connected to the lower end of the inner wall of the outer protective bag.

[0008] In a preferred embodiment, a protective connecting ring is fixedly connected to the outer wall of the water bag water inlet pipe, the outer wall of the protective connecting ring is fixedly connected to the inner wall of the outer protective bag, and multiple groups of water outlet holes are opened at the upper and lower ends of the protective connecting ring.

[0009] In a preferred embodiment, the outer wall of the inner airbag is fixedly connected to a rubber connecting net, the outer wall of the rubber connecting net is fixedly connected to the interior of the outer protective bag, the inlet connecting strips are multiple groups, and both sides of the rubber connecting net are fixedly connected to the outer sides of the inlet connecting strips.

[0010] In a preferred embodiment, the inner airbag protection ring is composed of multiple groups, the inner airbag protection ring is made of rubber material with a harderness greater than that of the inner airbag, and the connecting strips are composed of multiple groups, which are evenly distributed at the outer end of the inner airbag protection ring.

[0011] In a preferred embodiment, the lower end of the pressure tank body is fixedly connected to a support rod, the lower end of the support rod is fixedly connected to a bottom plate, the lower end of the water bag water inlet pipe is fixedly connected to a connecting ring gasket, and the connecting ring gasket is adapted to the outer end of the flange.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0013] In the present application, the outer ring of the inner airbag can be reinforced by the inner airbag protection ring, and at the same time, the connection between the outer protective bag and the inner airbag can be increased by fixing it through the connecting strip and the inner wall of the outer protective bag. When the outer wall of the inner airbag is damaged, the air pressure and liquid inside the inner airbag are sealed and protected by the outer protective bag, and the liquid inside the inner airbag can be transmitted to the outside through the flange through the protective connecting ring and the rubber connecting net at the gap between the outer protective bag and the connecting strip; through the cooperation of the above structures, the liquid in the airbag can be diverted when the airbag is damaged, thereby reducing the damage caused by the liquid to the pressure tank body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of this application;

[0015] Figure 2 It is a schematic diagram of the internal structure in this application;

[0016] Figure 3 This is a schematic diagram of the structure of the bottom plate, outer protective bag, inner air bag, imported connecting strip and rubber connecting net in the present application.

[0017] Markings in the figure: 1. Pressure tank body; 2. Flange; 3. Bottom plate; 4. Airbag body; 401. Outer protective bag; 402. Inner airbag; 403. Inner airbag protective ring; 404. Connecting strip; 405. Water bag water inlet pipe; 406. Protective connecting ring; 407. Inlet connecting strip; 408. Rubber connecting net; 5. Support rod; 6. Connecting ring gasket. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] Example:

[0020] Reference Figure 1-3 A pressure tank airbag includes a pressure tank body 1, an airbag body 4 is arranged inside the pressure tank body 1, the airbag body 4 includes an outer protective bag 401 and an inner airbag 402, the outer wall of the inner airbag 402 is fixedly connected with an inner airbag protective ring 403, the outer wall of the inner airbag protective ring 403 is fixedly connected with a connecting strip 404, the connecting strip 404 is hollow, the lower end of the pressure tank body 1 is fixedly connected with a flange 2, the inner airbag protective ring 403 can reinforce the outer ring of the inner airbag 402, and at the same time, through the connecting strip 4 04 is fixed to the inner wall of the outer protective bag 401. When the outer wall of the inner airbag 402 is damaged, the air pressure and liquid inside the inner airbag 402 are sealed and protected by the outer protective bag 401, so that the liquid inside the inner airbag 402 can be transmitted to the outside through the gap between the outer protective bag 401 and the connecting strip 404, through the protective connecting ring 406 and the rubber connecting net 408 through the flange 2; through the cooperation of the above structures, the liquid in the airbag can be diverted when the airbag is damaged, thereby reducing the damage caused by the liquid to the pressure tank body 1.

[0021] Reference Figure 1-3 The lower end of the inner airbag 402 is fixedly connected to a water bag inlet pipe 405, and the lower side of the outer end of the water bag inlet pipe 405 is fixedly connected to an inlet connecting strip 407. The end of the inlet connecting strip 407 away from the inner airbag 402 is fixedly connected to the lower end of the inner wall of the outer protective bag 401. The inlet connecting strip 407 can reinforce the connection between the inner airbag 402 and the outer protective bag 401.

[0022] Reference Figure 1-3 The outer wall of the water bag water inlet pipe 405 is fixedly connected with a protective connecting ring 406, and the outer wall of the protective connecting ring 406 is fixedly connected to the inner wall of the outer protective bag 401. The upper and lower ends of the protective connecting ring 406 are provided with multiple groups of water outlet holes. The protective connecting ring 406 is convenient for connecting the outer protective bag 401 and the inner air bag 402, and the water outlet holes facilitate the outflow of liquid inside the outer protective bag 401.

[0023] Reference Figure 1-3The outer wall of the inner airbag 402 is fixedly connected with a rubber connecting net 408, the outer wall of the rubber connecting net 408 is fixedly connected to the inside of the outer protective bag 401, the inlet connecting strips 407 are multiple groups, the two sides of the rubber connecting net 408 are fixedly connected to the outer side of the inlet connecting strips 407, and the mesh in the middle of the rubber connecting net 408 is convenient for guiding the liquid entering the inner part of the outer protective bag 401.

[0024] Reference Figure 1-3 There are multiple groups of inner airbag protection rings 403, and the inner airbag protection rings 403 are made of rubber material with a harderness greater than that of the inner airbag 402. There are multiple groups of connecting strips 404, which are evenly distributed on the outer ends of the inner airbag protection rings 403. The inner airbag protection rings 403 can protect and reinforce the inner airbag 402.

[0025] Reference Figure 1-3 The lower end of the pressure tank body 1 is fixedly connected to a support rod 5, the lower end of the support rod 5 is fixedly connected to a bottom plate 3, the lower end of the water bag water inlet pipe 405 is fixedly connected to a connecting ring gasket 6, the connecting ring gasket 6 is adapted to the outer end of the flange 2, and the connecting ring gasket 6 is convenient for connecting the outer protective bag 401 and the inner air bag 402.

[0026] The implementation principle of an embodiment of an air bag for a pressure tank in the present application is:

[0027] The outer ring of the inner airbag 402 can be reinforced by the inner airbag protection ring 403, and at the same time, the connection between the outer protection bag 401 and the inner airbag 402 can be increased by fixing it with the connecting strip 404 and the inner wall of the outer protection bag 401. When the outer wall of the inner airbag 402 is damaged, the air pressure and liquid inside the inner airbag 402 are sealed and protected by the outer protection bag 401, and the liquid inside the inner airbag 402 can be transmitted to the outside through the flange 2 through the protective connecting ring 406 and the rubber connecting net 408 at the gap between the outer protection bag 401 and the connecting strip 404; through the cooperation of the above structures, the liquid in the airbag can be diverted when the airbag is damaged, thereby reducing the damage caused by the liquid to the pressure tank body 1.

[0028] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An air bag for a pressure tank, comprising a pressure tank body (1), characterized in that: An airbag body (4) is arranged inside the pressure tank body (1), and the airbag body (4) includes an outer protective bag (401) and an inner airbag (402). The outer wall of the inner airbag (402) is fixedly connected to an inner airbag protective ring (403), and the outer wall of the inner airbag protective ring (403) is fixedly connected to a connecting strip (404), and the connecting strip (404) is hollow. The lower end of the pressure tank body (1) is fixedly connected to a flange plate (2).

2. The air bag for a pressure tank as claimed in claim 1, characterized in that: The lower end of the inner layer airbag (402) is fixedly connected to a water bag water inlet pipe (405), the lower side of the outer end of the water bag water inlet pipe (405) is fixedly connected to an inlet connecting strip (407), and the end of the inlet connecting strip (407) away from the inner layer airbag (402) is fixedly connected to the lower end of the inner wall of the outer layer protective bag (401).

3. An air bag for a pressure tank as claimed in claim 2, characterized in that: The outer wall of the water bag water inlet pipe (405) is fixedly connected with a protective connection ring (406), the outer wall of the protective connection ring (406) is fixedly connected to the inner wall of the outer layer protective bag (401), and the upper and lower ends of the protective connection ring (406) are provided with multiple groups of water outlet holes.

4. An air bag for a pressure tank as claimed in claim 3, characterized in that: The outer wall of the inner layer airbag (402) is fixedly connected with a rubber connection net (408), the outer wall of the rubber connection net (408) is fixedly connected to the inside of the outer layer protective bag (401), the inlet connection strips (407) are multiple groups, and the two sides of the rubber connection net (408) are fixedly connected to the outer side of the inlet connection strips (407).

5. The air bag for a pressure tank as claimed in claim 4, characterized in that: The inner airbag protection ring (403) is composed of multiple groups, and the inner airbag protection ring (403) is made of a rubber material with a harderness greater than that of the inner airbag (402). The connecting strips (404) are composed of multiple groups, and are evenly distributed at the outer end of the inner airbag protection ring (403).

6. The air bag for a pressure tank as claimed in claim 5, characterized in that: The lower end of the pressure tank body (1) is fixedly connected to a support rod (5), the lower end of the support rod (5) is fixedly connected to a bottom plate (3), the lower end of the water bag water inlet pipe (405) is fixedly connected to a connecting ring gasket (6), and the connecting ring gasket (6) is adapted to the outer end of the flange (2).

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