CN213926516U

CN213926516U - Adjustable pressure tank

Info

Publication number: CN213926516U
Application number: CN202022919649.7U
Authority: CN
Inventors: 陈辉
Original assignee: Zhejiang Yuanhua Machinery Co ltd
Current assignee: Zhejiang Yuanhua Machinery Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-10
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a overhead tank with adjustable belongs to mechanical technical field. It has solved the current inconvenient problem of overhead tank regulation. The adjustable pressure tank comprises a base, a tank body arranged on the base and an air bag arranged in the tank body, wherein the upper end of the tank body is fixedly connected with a connecting cylinder in a sealing manner, the top of the tank body is provided with an air passing hole for communicating the tank body with the connecting cylinder, an air inlet barrel is sleeved outside the connecting cylinder, a seal is formed between the air inlet barrel and the connecting cylinder, the inner side wall of the lower end of the air inlet barrel is matched with and attached to the outer side wall of the connecting cylinder, the outer wall of the air inlet barrel is horizontally fixed with two blocks I, the two blocks I are symmetrically arranged along the center of the air inlet barrel, the base is fixed with two blocks II, and the two blocks II are respectively arranged right opposite to the two blocks I; the screw rod is vertically arranged between the block body I and the block body II, the upper end of the screw rod is fixedly connected with the block body I, the lower end of the screw rod penetrates through the block body II, the lower end of the screw rod is in threaded connection with two pressing caps, and the two pressing caps are tightly pressed on the top wall and the bottom wall of the block body II respectively. This adjustable overhead tank does benefit to the regulation.

Description

Adjustable pressure tank

Technical Field

The utility model belongs to the technical field of machinery, a overhead tank is related to, especially an adjustable overhead tank.

Background

The pressure tank is used in a closed water circulation system, plays a role in balancing water quantity and pressure, avoids frequent opening of a safety valve and frequent water supplement of an automatic water supplement valve, does not need to build a water tower, has small investment and small occupied area, adopts automatic water-gas regulation, automatic operation and energy conservation, is automatically connected with tap water in a grid, can still supply water after power failure, does not need to be monitored after debugging for several years, saves 70% of investment compared with the water tower, saves 60% of investment compared with a high-level water tank, saves civil engineering investment, and is wide in application.

The existing pressure tank is like the laminated pressure tank (application number: 201920679121.1) proposed by the applicant, and comprises a tank body, a cover body arranged at the lower end of the tank body and an air bag arranged in the tank body, wherein the opening edge of the air bag is tightly pressed between the cover body and the tank body; the upper end external screw thread of connecting cylinder has the bung hole bucket of admitting air down, and admits air and forms sealedly through the sealing washer between bucket and the connecting cylinder, the roof of the bucket of admitting air on run through and be equipped with the air inlet, and air inlet department install with the air cock of admitting air bucket inner chamber intercommunication.

When the pressure tank is used for adjusting an air cavity consisting of the air inlet barrel and the connecting cylinder, the air inlet barrel needs to rotate at high altitude by means of the escalator, and the whole operation is inconvenient and has higher potential safety hazard due to the fact that the air inlet barrel has a certain volume.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a overhead tank with adjustable be convenient for adjust.

The purpose of the utility model can be realized by the following technical proposal: an adjustable pressure tank comprises a base, a tank body arranged on the base and an air bag arranged in the tank body, wherein the upper end of the tank body is fixedly connected with a connecting cylinder in a sealing manner, the top of the tank body is provided with an air passing hole for communicating the tank body with the connecting cylinder, an air inlet barrel is sleeved outside the connecting cylinder, and a seal is formed between the air inlet barrel and the connecting cylinder; the screw rod is vertically arranged between the block body I and the block body II, the upper end of the screw rod is fixedly connected with the block body I, the lower end of the screw rod penetrates through the block body II, the lower end of the screw rod is in threaded connection with two pressing caps, and the two pressing caps are tightly pressed on the top wall and the bottom wall of the block body II respectively.

When the air storage device is used, the pressure cap is unscrewed, the screw rod is pulled to move so as to be converted into axial movement of the air inlet barrel, and therefore the air storage volume formed by the connecting cylinder and the air inlet barrel is changed, and the air storage device is suitable for different working conditions. Because the pressure cap is arranged at the base, an operator only needs to operate the pressure cap and the screw rod on the flat ground to adjust the position of the air inlet barrel, and the air inlet barrel is convenient to use and safe.

In foretell adjustable pressure tank, foretell connecting cylinder is square, and the bucket lower extreme that admits air is square with the connecting cylinder matching, makes the bucket of admitting air follow axial slip all the time, does benefit to the regulation.

In the adjustable pressure tank, the outer side wall of the connecting cylinder is provided with the annular groove, the annular groove is in a square ring shape and coaxial with the connecting cylinder, the annular groove is internally provided with the square sealing ring, and the outer side wall of the sealing ring is abutted against the inner wall of the air inlet barrel, so that reliable sealing is formed between the connecting cylinder and the air inlet barrel.

In the above adjustable pressure tank, the lower end of the air inlet barrel is sleeved and fixed with the support ring, the block body one is positioned between the block body two and the support ring, the bottom wall of the support ring is pressed on the top wall of the block body one, and the support ring is fixedly connected with the block body one. The design support ring carries out the axial to block one and supports, both can strengthen block one self intensity like this, can strengthen block one again and the joint strength of bucket of admitting air, ensures that the screw rod stably drives the bucket of admitting air and removes, improves regulation stability.

In the above adjustable pressure tank, the support ring is in a square ring shape, the axial cross section of the support ring is in a right triangle shape, and the inner side wall of the support ring is attached to the outer side wall of the lower end of the air inlet barrel, so as to further enhance the positioning stability of the block.

In the adjustable pressure tank, the support rings are fixedly connected with the air inlet barrel and the block body in a welding mode respectively.

Compared with the prior art, this overhead tank with adjustable has following advantage:

1. the pressure cap is arranged at the base, so that an operator can adjust the position of the air inlet barrel only by operating the pressure cap and the screw rod on the flat ground, and the air inlet barrel is convenient to use and safe.

2. The design side ring form support ring and support ring axial cross-section are right angled triangle, carry out axial support to block one, so both can strengthen block one self intensity, can strengthen block one again and the joint strength of bucket of admitting air, ensure that the screw rod stably drives the bucket of admitting air and remove, improve regulation stability.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable pressure tank.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, 1, a base; 2. a tank body; 2a, air passing holes; 3. an air bag; 4. a connecting cylinder; 5. an air inlet barrel; 6. an air tap; 7. a first block body; 8. a second block body; 9. a screw; 10. pressing the cap; 11. a seal ring; 12. and (3) supporting the ring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the adjustable pressure tank comprises a base 1, a tank body 2 vertically arranged on the base 1, and an air bag 3 vertically arranged in the tank body 2. Wherein, base 1 is the tube-shape, and base 1 and jar body 2 coaxial setting, and base 1 upper end and jar body 2 welding link firmly.

Specifically, the connecting cylinder 4 is sleeved outside the upper end of the tank body 2, the inner side wall of the lower end of the connecting cylinder 4 is attached to the outer side wall of the tank body 2, and the connecting cylinder 4 is fixedly connected with the tank body 2 in a welding and sealing manner. The top of the tank body 2 is provided with a plurality of air passing holes 2a which are communicated with the inner cavity of the tank body 2 and the inner cavity of the connecting cylinder 4, and preferably, the air passing holes 2a are provided. An air inlet barrel 5 is sleeved outside the connecting barrel 4, and the inner side wall of the lower end of the air inlet barrel 5 is matched with the outer side wall of the connecting barrel 4 and is attached together. The upper end of the air inlet barrel 5 is sealed, the top of the air inlet barrel 5 is provided with an air faucet 6, and a seal is formed between the inner wall of the air inlet barrel 5 and the connecting cylinder 4. The outer wall of the air inlet barrel 5 is horizontally fixed with a first block body 7, two first block bodies 7 are symmetrically arranged along the center of the air inlet barrel 5, a second block body 8 is fixed on the base 1, and two second block bodies 8 are arranged and are respectively opposite to the first block bodies 7; the screw 9 is vertically arranged between the block I7 and the block II 8 which are just opposite to each other, the upper end of the screw 9 is fixedly connected with the block I7, the lower end of the screw 9 penetrates through the block II 8, the lower end of the screw 9 is in threaded connection with two pressure caps 10, and the two pressure caps 10 connected with the same screw 9 are respectively tightly pressed on the top wall and the bottom wall of the block II 8.

In the embodiment, the first block 7 is fixedly connected with the air inlet barrel 5 in a welding manner; the second block body 8 is fixedly connected with the base 1 in a welding mode; the screw 9 is fixedly connected with the first block 7 in a welding manner; connecting cylinder 4 is squarely, and 5 lower extremes of bucket of admitting air are the square that matches with connecting cylinder 4, make bucket 5 of admitting air follow endwise slip all the time, do benefit to the regulation, and at this moment, connecting cylinder 4 and bucket 5's connected mode as follows: as shown in fig. 2, an annular groove is formed in the outer side wall of the connecting cylinder 4, the annular groove is square and annular and coaxial with the connecting cylinder 4, a square sealing ring 11 is arranged in the annular groove, and the outer side wall of the sealing ring 11 abuts against the inner wall of the air inlet barrel 5, so that reliable sealing is formed between the connecting cylinder 4 and the air inlet barrel 5.

Further, a support ring 12 is sleeved and fixed on the lower end of the air inlet barrel 5, and the block body one 7 is located between the block body two 8 and the support ring 12. The bottom wall of the support ring 12 is pressed against the top wall of the first block 7, and the support ring 12 is fixedly connected with the first block 7. Design support ring 12 carries out the axial to block 7 and supports, so both can strengthen block 7 self intensity, can strengthen block 7 and admission barrel 5's joint strength again, ensures that screw rod 9 stably drives admission barrel 5 and removes, improves regulation stability. Preferably, the support ring 12 is a square ring, the axial cross section of the support ring 12 is a right triangle, the inner side wall of the support ring 12 is attached to the outer side wall of the lower end of the air inlet barrel 5, and the support ring 12 is fixedly connected with the air inlet barrel 5 and the block body 7 respectively in a welding mode.

When the air storage device is used, the pressure cap 10 is unscrewed, the screw rod 9 is pulled to move so as to be converted into axial movement of the air inlet barrel 5, and therefore the air storage volume formed by the connecting barrel 4 and the air inlet barrel 5 is changed, and the air storage device is suitable for different working conditions. Because the pressure cap 10 is arranged at the base 1, an operator only needs to operate the pressure cap 10 and the screw 9 on the flat ground to adjust the position of the air inlet barrel 5, and the air inlet barrel is convenient to use and safe.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An adjustable pressure tank comprises a base (1), a tank body (2) arranged on the base (1) and an air bag (3) arranged in the tank body (2), wherein the upper end of the tank body (2) is fixedly connected with a connecting cylinder (4) in a sealing way, the top of the tank body (2) is provided with an air passing hole (2a) for communicating the tank body (2) and the connecting cylinder (4), the connecting cylinder (4) is sleeved with an air inlet barrel (5), and a seal is formed between the air inlet barrel (5) and the connecting cylinder (4), the device is characterized in that the inner side wall of the lower end of the air inlet barrel (5) is matched with and attached to the outer side wall of the connecting barrel (4), two blocks (7) are horizontally fixed on the outer wall of the air inlet barrel (5) and symmetrically arranged along the center of the air inlet barrel (5), two blocks (8) are fixed on the base (1), and the two blocks (8) are respectively arranged right opposite to the two blocks (7); just vertically be equipped with screw rod (9) between block (7) and block (8) of setting, screw rod (9) upper end links firmly with block (7), and block (8) are passed to screw rod (9) lower extreme, and screw rod (9) lower extreme spiro union has two to press cap (10), and two to press cap (10) to sticis respectively on block two (8) roof and diapire.

2. The adjustable pressure tank as claimed in claim 1, wherein the connecting cylinder (4) is square, and the lower end of the air inlet barrel (5) is square matching with the connecting cylinder (4).

3. The adjustable pressure tank as claimed in claim 2, wherein the connecting cylinder (4) has an annular groove formed on its outer side wall, the annular groove is square and annular and coaxial with the connecting cylinder (4), a square sealing ring (11) is disposed in the annular groove, and the outer side wall of the sealing ring (11) abuts against the inner wall of the air inlet barrel (5).

4. The adjustable pressure tank according to claim 2, wherein the lower end of the air inlet barrel (5) is externally sleeved and fixed with a support ring (12), the block body I (7) is located between the block body II (8) and the support ring (12), the bottom wall of the support ring (12) is pressed against the top wall of the block body I (7), and the support ring (12) is fixedly connected with the block body I (7).

5. Adjustable pressure tank according to claim 4, characterized in that the support ring (12) is a square ring, the axial cross section of the support ring (12) is a right triangle, and the inner sidewall of the support ring (12) is abutted with the outer sidewall of the lower end of the air inlet barrel (5).

6. The adjustable pressure tank according to claim 4 or 5, wherein the support ring (12) is fixedly connected with the gas inlet barrel (5) and the first block body (7) respectively by welding.