CN215594244U

CN215594244U - Air bag for air bag type pressure tank

Info

Publication number: CN215594244U
Application number: CN202121044860.7U
Authority: CN
Inventors: 钱海君; 钱成
Original assignee: Yixing Jingsheng Environmental Protection Equipment Co ltd
Current assignee: Yixing Jingsheng Environmental Protection Equipment Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-01-21
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses an air bag for an air bag type pressure tank, which comprises an air bag main body, wherein a cavity shaft is inserted into the air bag main body from the lower part, dense through holes are formed in the cavity shaft, limiting rods are respectively arranged on four side surfaces of the position, close to the lower part, of the cavity shaft, the lower end of the cavity shaft penetrates through the lower end of the air bag main body, the part, penetrating through the circumference of the air bag main body, of the cavity shaft is sealed, each limiting rod comprises a barrel body, one end of each barrel body is fixedly connected with the cavity shaft, the end of each barrel body is inserted with a rod body, the other end of each rod body is fixedly connected with the inner wall of the air bag main body, a baffle is fixedly connected to one end, inserted into the barrel body, of the end, close to the rod body, of each barrel body is smaller than the diameter of the baffle.

Description

Air bag for air bag type pressure tank

Technical Field

The utility model relates to the technical field of water supply air bags, in particular to an air bag for an air bag type pressure tank.

Background

Periphery of working process of pressure tank air bag: when the system pressure is smaller than the gas pressure between the air bag and the tank body, the system pressure starts to extrude gas to supplement the water in the air bag to the system, so as to prevent the system pressure from dropping too fast, and the system pressure is balanced again because the gas volume between the air bag and the tank body is increased and the pressure drops, when the system pressure is larger than the gas pressure between the air bag and the tank body, the water enters the air bag again, and the process is repeated;

however, since the bottom of the air bag is a deep water region and the pressure is high, when the air bag is expanded, the bottom is expanded greatly, the upper part is expanded less, so that the expansion is uneven, and the lower part is damaged due to over-expansion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air bag for an air bag type pressure tank, which aims to solve the problems that in the prior art, because the bottom of the air bag is a deep water area, the pressure is high, when the air bag expands, the bottom expands greatly, the upper expands slightly, the expansion is uneven, and the lower over-expansion can be damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an gasbag for gasbag formula overhead tank, includes the gasbag main part, the inside of gasbag main part inserts the cavity axle from the below, the epaxial intensive through-hole of having seted up of cavity, the gag lever post is all installed to four sides in the position that the cavity axle is close to the below.

Preferably, the lower end of the cavity shaft passes through the lower end of the airbag body, and the cavity shaft passes through a part of the circumferential outer seal of the airbag body.

Preferably, the lower end of the cavity shaft is fixedly connected with a flange plate, the two sides of the lower end of the cavity shaft are fixedly connected with supports, and the supports are welded with the flange plate.

Preferably, the limiting rod comprises a cylinder body, one end of the cylinder body is fixedly connected with the cavity shaft, the rod body is inserted into the end of the cylinder body, and the other end of the rod body is fixedly connected with the inner wall of the airbag main body.

Preferably, one end of the rod body inserted into the barrel body is fixedly connected with a baffle, and the caliber of one end of the barrel body close to the rod body is smaller than the diameter of the baffle.

Preferably, a spring is connected between the baffle plate and the cylinder body.

Preferably, a sealing ring is arranged between the lower end of the air bag main body and the cavity shaft of the cavity shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. the limiting rod is arranged, when the lower part of the air bag main body is expanded to be larger, the barrel can limit the baffle to be separated from the barrel, so that the rod body can not extend any more, the lower part of the air bag main body is prevented from being expanded excessively, the upper part of the air bag main body can be expanded under the condition that the lower part of the air bag main body is not expanded excessively, the whole air bag main body is enabled to be expanded uniformly, and the condition that the lower part of the air bag main body is damaged easily due to the fact that the lower part of the air bag main body is expanded excessively is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a cavity shaft of the present invention;

FIG. 3 is a schematic view of the structure of the stop lever of the present invention.

In the figure: 1. a pressure tank body; 2. an airbag main body; 3. a water supporting plate; 5. a limiting rod; 51. a rod body; 52. a baffle plate; 53. a barrel; 54. a spring; 6. a seal ring; 7. a support; 8. a flange plate; 9. a cavity shaft; 10. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, an airbag for an airbag type pressure tank includes an airbag main body 2, the airbag main body 2 should be located inside the pressure tank 1, a cavity shaft 9 is inserted into the airbag main body 2 from below, dense through holes 10 are formed in the cavity shaft 9, four side surfaces of the cavity shaft 9 near the lower side are provided with limit rods 5, when water enters the airbag main body 2, water enters through the lower end of the cavity shaft 9, and enters into the airbag main body 2 through the through holes 10, and when the airbag main body 2 expands, the lower portion of the airbag main body can avoid over expansion due to the limit effect of the limit rods 5, so that the upper portion can be greatly expanded;

as shown in fig. 1, the lower end of the cavity shaft 9 penetrates through the lower end of the airbag main body 2, the cavity shaft 9 penetrates through the partial circumference of the airbag main body 2 to be sealed, a sealing ring 6 is arranged between the lower end of the airbag main body 2 and the cavity shaft 9 of the cavity shaft, and water can be prevented from entering the pressure tank 1 through sealing;

continuing to refer to fig. 1, a flange 8 is fixedly connected to the lower end of the cavity shaft 9, supports 7 are fixedly connected to both sides of the lower end of the cavity shaft 9, and the supports 7 are welded to the flange 8;

referring to fig. 1 and 3, the limiting rod 5 includes a cylinder 53, one end of the cylinder 53 is fixedly connected to the cavity shaft 9, a rod 51 is inserted into the end of the cylinder 53, the other end of the rod 51 is fixedly connected to the inner wall of the airbag main body 2, when the lower portion of the airbag main body 2 is inflated, the rod 51 is pulled, and the rod 51 can extend inside the cylinder 53;

as shown in fig. 1 and fig. 3, a baffle 52 is fixedly connected to one end of the rod 51 inserted into the cylinder 53, the caliber of the end of the cylinder 53 close to the rod 51 is smaller than the diameter of the baffle 52, when the lower portion of the airbag main body 2 expands to a larger size, the cylinder 53 can limit the baffle 52 from separating from itself, and the rod 51 can not extend any more, so that the lower portion of the airbag main body 2 is prevented from being over-expanded;

as shown in fig. 3, a spring 54 is connected between the baffle plate 52 and the cylinder 53, and the spring 54 plays a role of buffering.

The working principle and the using process of the utility model are as follows: when using this device, it is through the lower extreme of cavity axle 9 to advance water, water rethread through-hole 10 enters into gasbag main part 2 inside by, its lower part can expand at first, when expanding, gasbag main part 2 can stimulate the body of rod 51, the body of rod 51 can be at the inside extension of barrel 53, expand to great time in the lower part of gasbag main part 2, barrel 53 can restrict baffle 52 and break away from self, and then the body of rod 51 can not extend again, just also avoided the lower part excess inflation of gasbag main part 2, spring 54 plays the cushioning effect, under the no longer excessively expanded state of the lower part of gasbag main part 2, upper portion can expand, make the inflation of whole gasbag main part 2 comparatively even, avoid the fragile condition in below that the below excess inflation leads to.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air bag for an air bag type pressure tank, comprising an air bag main body (2), characterized in that: the air bag is characterized in that a cavity shaft (9) is inserted into the air bag main body (2) from the lower part, dense through holes (10) are formed in the cavity shaft (9), and limiting rods (5) are mounted on four side surfaces of the position, close to the lower part, of the cavity shaft (9).

2. The airbag for a bladder-type pressure tank as claimed in claim 1, wherein: the lower end of the cavity shaft (9) penetrates through the lower end of the air bag main body (2), and the cavity shaft (9) penetrates through the outer seal of part of the circumference of the air bag main body (2).

3. The airbag for a bladder-type pressure tank as claimed in claim 2, wherein: the lower extreme rigid coupling of cavity axle (9) has ring flange (8), and the equal rigid coupling in lower extreme both sides of cavity axle (9) has support (7), and support (7) and ring flange (8) welding.

4. The airbag for a bladder-type pressure tank as claimed in claim 1, wherein: the limiting rod (5) comprises a cylinder body (53), one end of the cylinder body (53) is fixedly connected with the cavity shaft (9), a rod body (51) is inserted into the end of the cylinder body (53), and the other end of the rod body (51) is fixedly connected with the inner wall of the air bag main body (2).

5. The airbag for a bladder-type pressure tank as claimed in claim 4, wherein: one end of the rod body (51) inserted into the cylinder body (53) is fixedly connected with a baffle (52), and the caliber of one end of the cylinder body (53) close to the rod body (51) is smaller than the diameter of the baffle (52).

6. The airbag for a bladder-type pressure tank as claimed in claim 5, wherein: a spring (54) is connected between the baffle plate (52) and the cylinder body (53).

7. The airbag for a bladder-type pressure tank as claimed in claim 6, wherein: and a sealing ring (6) is arranged between the lower end of the air bag main body (2) and the cavity shaft (9) of the cavity shaft.