CN217150481U

CN217150481U - Structure improved laminated pressure tank

Info

Publication number: CN217150481U
Application number: CN202220949693.9U
Authority: CN
Inventors: 陈辉
Original assignee: Zhejiang Yuanhua Machinery Co ltd
Current assignee: Zhejiang Yuanhua Machinery Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-09
Anticipated expiration: 2032-04-21

Abstract

The utility model provides a pressure-superposed pressure tank with improved structure, which belongs to the field of pressure vessels. It has solved the current inconvenient problem of overhead tank regulation. This pressure tank of pressure-superposed type of institutional advancement includes the barrel that admits air that from the top down set gradually, a connecting cylinder and a jar body, the connecting cylinder lower extreme links firmly with jar body is sealed, the barrel lower extreme that admits air cup joints on the connecting cylinder, jar body top is equipped with the inlet port of intercommunication connecting cylinder, jar internal gasbag and the support of being equipped with, the support upper end stretches out jar body and is in the connecting cylinder, the gasbag is vertical setting, and gasbag upper end opening border presss from both sides tightly between support and jar internal wall, vertical connecting rod and the screw rod of being equipped with in the barrel that admits air, the connecting rod lower extreme links firmly with the support, the screw hole that is vertical setting is seted up to the connecting rod upper end, screw rod lower end spiro union is in the threaded hole, the shaping has the mounting hole that supplies the screw rod upper end to stretch out on the barrel that admits air, and the screw rod links firmly with the barrel is sealed. This pressure-superposed pressure tank of institutional advancement is convenient for adjust.

Description

Structure improved laminated pressure tank

Technical Field

The utility model belongs to the pressure vessel field relates to a pressure-superposed pressure tank, especially a construction improvement's pressure-superposed pressure 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 as the overlapped pressure tank (application number: 201920679121.1) proposed by the applicant, comprising 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.

Above-mentioned pressure tank changes the height of whole pressure tank through rotating the bucket of admitting air, makes it be applicable to different operating modes, and the practicality is good. However, when the outer diameter of the air inlet barrel is large, it becomes difficult to rotate the air inlet barrel by hand, which is not beneficial to adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a structure improvement's pressure tank folds pressure convenient to altitude mixture control.

The purpose of the utility model can be realized by the following technical proposal: structure improvement's pressure tank of pressure-superposed type, including the barrel that admits air that sets gradually from the top down, connecting cylinder and jar body, the connecting cylinder lower extreme links firmly with jar body is sealed, the barrel lower extreme that admits air cup joints on the connecting cylinder, jar body top is equipped with the inlet port of intercommunication connecting cylinder, jar internal gasbag and the support of being equipped with, the support upper end stretches out jar body and is in the connecting cylinder, the gasbag is vertical setting, and gasbag upper end opening border presss from both sides tightly between support and jar internal wall, its characterized in that, the vertical connecting rod and the screw rod of being equipped with in the barrel of admitting air, the connecting rod, the coaxial arrangement of screw rod and the barrel three that admits air, the connecting rod lower extreme links firmly with the support, the screw hole that is vertical setting is seted up to the connecting rod upper end, screw rod lower extreme spiro union is in the screw hole, the last shaping of barrel of admitting air has the mounting hole that supplies the screw rod upper end to stretch out, and the screw rod links firmly with the barrel of admitting air is sealed.

During the use, rotate the screw rod alright drive whole admission barrel up-and-down motion to rotate through the operation screw rod and replace operation admission barrel among the prior art and rotate, because the screw rod external diameter is far less than the admission barrel external diameter, it more is favorable to the user to grip the operation, makes things convenient for the admission barrel position control.

In the above structure-improved laminated pressure tank, the air inlet barrel includes a barrel-shaped main body and a straight pipe portion integrally formed on the top of the main body, the straight pipe portion and the main body have inner cavities communicated, and an inner hole of the straight pipe portion is the above mounting hole.

In foretell structure improvement's pressure tank of pressure-superposed, the screw rod outer wall forms sealedly through sealing washer and straight tube portion inner wall, and the sealed effect that forms between guarantee screw rod and the straight tube portion prevents gas leakage, improves job stabilization nature.

In the above structure-improved laminated pressure tank, the upper end of the screw rod is sleeved and fixed with the compression ring, and the compression ring is tightly pressed on the top wall of the straight pipe part. The straight pipe part is downwards extruded by the compression ring, so that the air inlet barrel has a downward moving trend, the air inlet barrel can better and more smoothly move downwards along with the screw rod, and the position of the air inlet barrel can be more smoothly and conveniently adjusted.

In foretell structure improvement's pressure tank of pressure-superposed, the clamping ring links firmly with straight tube portion, and the screw rod links firmly with straight tube portion through the clamping ring promptly, has simple structure, assembles convenient advantage.

In foretell structure improvement's pressure-superposed pressure tank, the clamping ring inside wall sticiss on the screw rod outer wall, and the clamping ring links firmly with screw rod and straight tube portion are sealed respectively through the welding mode, and at this moment, the clamping ring seals straight tube portion upper port, and it prevents the sealed route that gas leaked with the sealing washer cooperation effective extension, further improves pressure tank job stabilization nature.

In the above structure-improved laminated pressure tank, the upper end of the straight pipe part is an annular step, the annular step is composed of an annular side wall and an annular bottom wall, the sealing ring is arranged in the annular step, the inner side wall and the outer side wall of the sealing ring are respectively tightly pressed on the outer wall of the screw rod and the annular side wall, and two end faces of the sealing ring are respectively tightly pressed on the pressing ring and the annular bottom wall. The sealing ring is arranged in a closed annular cavity formed by the straight pipe part, the pressing ring and the screw rod, so that a sealing path for preventing gas from leaking can be further prolonged, and the working stability of the pressure tank is improved.

In the pressure-superposed pressure tank with the improved structure, the top of the screw is fixed with the hand wheel, so that an operator can conveniently select the screw to adjust the position of the air inlet barrel.

Compared with the prior art, the pressure-superposed pressure tank with the improved structure has the following advantages:

1. during the use, rotate the screw rod alright drive whole admission barrel up-and-down motion to rotate through the operation screw rod and replace operation admission barrel among the prior art and rotate, because the screw rod external diameter is far less than the admission barrel external diameter, it more is favorable to the user to grip the operation, makes things convenient for the admission barrel position control.

2. The sealing ring is arranged in a closed annular cavity formed by the straight pipe part, the pressing ring and the screw rod, so that a sealing path for preventing gas from leaking can be further prolonged, and the working stability of the pressure tank is improved.

Drawings

Fig. 1 is a schematic structural view of a pressure-superposed tank with a modified structure.

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

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

Fig. 4 is a schematic view of a connection structure of the screw and the air intake barrel.

In the figure, 1, an air inlet barrel; 1a, a main body; 1b, a straight tube portion; 1b1, annular step; 2. a connecting cylinder; 3. a tank body; 3a, an air inlet hole; 4. a gland; 5. an air tap; 6. an air bag; 7. a support; 8. a connecting rod; 9. a screw; 10. a seal ring; 11. pressing a ring; 12. a handwheel.

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 pressure-superposed pressure tank with the improved structure comprises an air inlet barrel 1, a connecting barrel 2, a tank body 3 and a gland 4 which are arranged in sequence from top to bottom, and the air inlet barrel 1, the connecting barrel 2, the tank body 3 and the gland 4 are coaxially arranged.

Wherein the content of the first and second substances,

the lower pot head of connecting cylinder 2 is outside jar body 3, and 2 lower extreme inside walls of connecting cylinder lean on with jar 3 outer walls of body, and connecting cylinder 2 and jar body 3 link firmly. Preferably, the connecting cylinder 2 and the tank body 3 are fixedly connected by welding. The top of the tank body 3 is provided with a plurality of air inlets 3a in a penetrating way, and the inner cavity of the connecting cylinder 2 is communicated with the inner cavity of the tank body 3 through the air inlets 3 a.

The lower end of the air inlet barrel 1 is sleeved on the connecting barrel 2, the inner wall of the air inlet barrel 1 and the outer wall of the connecting barrel 2 are mutually matched circumferential surfaces and are attached together, and preferably, a seal is formed between the air inlet barrel 1 and the connecting barrel 2 through an o-shaped ring. The air nozzle 5 is installed on the top of the air inlet barrel 1, and the installation mode of the air nozzle 5 is the prior art and will not be described in detail here.

As shown in fig. 1 and 2, the gland 4 is fixedly connected with the tank 3, and preferably, the gland and the tank are fixedly connected through bolts. An air bag 6 and a bracket 7 are arranged in the tank body 3, wherein the upper end of the bracket 7 extends out of the tank body 3 and is positioned in the connecting cylinder 2, and the bracket 7 is fixedly connected with the tank body 3 in a sealing manner in a welding manner; the gasbag 6 is vertical setting, and both ends are all opened about the gasbag 6. The edge of the lower end opening of the air bag 6 is clamped between the gland 4 and the tank body 3, and the air bag 6 is utilized to realize the sealing between the gland 4 and the tank body 3; the opening edge of the upper end of the air bag 6 is clamped between the bracket 7 and the inner wall of the tank body 3. A pipe joint communicated with the inner cavity of the air bag 6 is formed at the lower side of the gland 4.

As shown in fig. 1 and 3, a connecting rod 8 and a screw 9 are vertically arranged in the air inlet barrel 1, the connecting rod 8, the screw 9 and the air inlet barrel 1 are coaxially arranged, and the screw 9 is located above the connecting rod 8. Wherein, the lower end of the connecting rod 8 is fixedly connected with the bracket 7, and preferably, the connecting rod and the bracket are fixedly connected through welding. The upper end of the connecting rod 8 is provided with a vertically arranged threaded hole, the upper end of the threaded hole is open, and the lower end of the threaded hole is closed. The lower end of the screw rod 9 is in threaded connection with the threaded hole, a mounting hole for the upper end of the screw rod 9 to extend out is formed in the air inlet barrel 1, and the screw rod 9 is fixedly connected with the air inlet barrel 1 in a sealing mode. During the use, rotate screw rod 9 alright drive whole barrel 1 that admits air and move from top to bottom to rotate through operation screw rod 9 and replace operation barrel 1 rotation of admitting air among the prior art, because screw rod 9 external diameter is far less than barrel 1 external diameter of admitting air, it more is favorable to the user to grip the operation, makes things convenient for barrel 1 position control of admitting air.

In particular, the present invention relates to a method for producing,

as shown in fig. 4, the air inlet barrel 1 includes a barrel-shaped main body 1a and a straight pipe portion 1b integrally formed on the top of the main body 1a, the inner cavities of the straight pipe portion 1b and the main body 1a are communicated, and the inner hole of the straight pipe portion 1b is the installation hole, at this time, the straight pipe portion 1b is sleeved outside the screw rod 9, and the straight pipe portion 1b is fixedly connected with the screw rod 9 in a sealing manner.

Wherein the content of the first and second substances,

the screw 9 and the straight tube portion 1b are sealed as follows: the outer wall of the screw rod 9 is sealed with the inner wall of the straight pipe part 1b through the sealing ring 10, so that the sealing effect formed between the screw rod 9 and the straight pipe part 1b is guaranteed, gas leakage is prevented, and the working stability is improved.

The screw 9 and the straight tube portion 1b are fixed as follows: the upper end of the screw rod 9 is sleeved and fixed with a pressing ring 11, the pressing ring 11 is tightly pressed on the top wall of the straight pipe portion 1b, and the pressing ring 11 is fixedly connected with the straight pipe portion 1 b. Preferably, 11 inside walls of the press ring are tightly pressed on the outer wall of the screw rod 9, the press ring 11 is fixedly connected with the screw rod 9 and the straight pipe portion 1b in a sealing mode respectively, at the moment, the press ring 11 seals the upper end opening of the straight pipe portion 1b, the press ring and the sealing ring 10 are matched to effectively prolong a sealing path for preventing gas from leaking, and the working stability of the pressure tank is further improved.

The seal ring 10 is mounted as follows: the upper end of the straight pipe part 1b is an annular step 1b1, the annular step 1b1 is composed of an annular side wall and an annular bottom wall, the sealing ring 10 is arranged in the annular step 1b1, the inner side wall and the outer side wall of the sealing ring 10 are respectively tightly pressed on the outer wall of the screw 9 and the annular side wall, and two end faces of the sealing ring 10 are respectively tightly pressed on the pressing ring 11 and the annular bottom wall. The sealing ring 10 is arranged in a closed annular cavity formed by the straight pipe part 1b, the pressing ring 11 and the screw 9, so that a sealing path for preventing gas from leaking can be further prolonged, and the working stability of the pressure tank is improved.

Further, a hand wheel 12 is fixed on the top of the screw 9, so that an operator can conveniently select the screw 9 to adjust the position of the air inlet barrel 1.

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. The structure-improved laminated pressure tank comprises an air inlet barrel (1), a connecting barrel (2) and a tank body (3) which are sequentially arranged from top to bottom, wherein the lower end of the connecting barrel (2) is fixedly connected with the tank body (3) in a sealing way, the lower end of the air inlet barrel (1) is sleeved on the connecting barrel (2), the top of the tank body (3) is provided with an air inlet hole (3a) communicated with the connecting barrel (2), an air bag (6) and a support (7) are arranged in the tank body (3), the upper end of the support (7) extends out of the tank body (3) and is positioned in the connecting barrel (2), the air bag (6) is vertically arranged, the opening edge at the upper end of the air bag (6) is clamped between the support (7) and the inner wall of the tank body (3), the laminated pressure tank is characterized in that a connecting rod (8) and a screw rod (9) are vertically arranged in the air inlet barrel (1), the connecting rod (8), the screw rod (9) and the air inlet barrel (1) are coaxially arranged, and the lower end of the connecting rod (8) is fixedly connected with the support (7), the threaded hole that is vertical setting is seted up to connecting rod (8) upper end, and screw rod (9) lower extreme spiro union is in the threaded hole, and the shaping has the mounting hole that supplies screw rod (9) upper end to stretch out on air inlet barrel (1), and screw rod (9) and air inlet barrel (1) seal link firmly.

2. The pressure-superposed pressure tank with improved structure according to claim 1, wherein the air inlet barrel (1) comprises a barrel-shaped main body (1a) and a straight pipe portion (1b) integrally formed at the top of the main body (1a), the straight pipe portion (1b) and the main body (1a) are communicated with each other via inner cavities, and the inner hole of the straight pipe portion (1b) is the mounting hole.

3. The pressure-superposed pressure tank with improved structure according to claim 2, characterized in that the outer wall of the screw rod (9) forms a seal with the inner wall of the straight pipe part (1b) through a seal ring (10).

4. The pressure-superposed pressure tank with improved structure according to claim 3, characterized in that the upper end of the screw (9) is sleeved and fixed with a press ring (11), and the press ring (11) is tightly pressed on the top wall of the straight pipe part (1 b).

5. The pressure-superposed pressure tank with improved structure according to claim 4, wherein the pressure ring (11) is fixedly connected with the straight pipe portion (1 b).

6. The pressure-superposed pressure tank with improved structure according to claim 5, characterized in that the inner side wall of the pressure ring (11) is tightly pressed on the outer wall of the screw rod (9), and the pressure ring (11) is fixedly connected with the screw rod (9) and the straight pipe portion (1b) in a sealing way by welding.

7. The pressure-superposed pressure tank with improved structure according to claim 6, characterized in that the upper end of the straight pipe portion (1b) is provided with an annular step (1b1), the annular step (1b1) is composed of an annular side wall and an annular bottom wall, the sealing ring (10) is arranged in the annular step (1b1), the inner side wall and the outer side wall of the sealing ring (10) are respectively tightly pressed on the outer wall and the annular side wall of the screw rod (9), and two end faces of the sealing ring (10) are respectively tightly pressed on the pressure ring (11) and the annular bottom wall.

8. The pressure-superposed pressure tank with improved structure according to claim 1, characterized in that a hand wheel (12) is fixed on the top of the screw rod (9).