CN211665856U

CN211665856U - Large-scale pressure tank

Info

Publication number: CN211665856U
Application number: CN201922247785.3U
Authority: CN
Inventors: 林群沨
Original assignee: Zhejiang Shuoyang Machinery Co ltd
Current assignee: Zhejiang Shuoyang Machinery Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-10-13
Anticipated expiration: 2029-12-14

Abstract

The utility model relates to a large-scale overhead tank relates to overhead tank technical field, and it includes a jar body, inner bag and end cover, the inner bag on be equipped with the hem, the end cover on be equipped with the holding ring, the holding ring include main aspects and tip, the main aspects with the end cover be connected, the external diameter of tip be less than the internal diameter of hem, the external diameter of main aspects be greater than the external diameter of hem. The utility model discloses can effectually avoid the problem of inner bag dislocation to take place.

Description

Large-scale pressure tank

Technical Field

The utility model belongs to the technical field of the overhead tank technique and specifically relates to a large-scale overhead tank is related to.

Background

The pressure tank is used in the closed water circulation system, plays a role in balancing water quantity and pressure, and avoids frequent opening of a safety valve and frequent water replenishing of an automatic water replenishing valve. The expansion tank has the function of containing expansion water and also has the function of a water supplementing tank, the expansion tank is filled with nitrogen, a large volume can be obtained to contain the expansion water quantity, and the high-pressure expansion tank and the low-pressure expansion tank can utilize the pressure per se and supplement water to a pressure stabilizing system in parallel.

Referring to fig. 1, the conventional large pressure tank includes a tank body, an inner bag and an end cover, wherein the inner bag is provided with a folded edge, the folded edge is arranged between the end cover and the tank body, and the end cover is connected with the tank body through a bolt and tightly presses the folded edge, thereby achieving the purpose of connecting the inner bag with the tank body.

The above prior art solutions have the following drawbacks: in the process of assembling the pressure tank, the folded edge needs to be placed at the opening of the tank body, but in the placing process, the position of the folded edge is easy to generate errors, and therefore, after the end cover is connected with the tank body (namely, the staggered folded edge is pressed), the position of the inner bag can be staggered, so that the two sides of the inner bag are stressed unevenly and are easy to damage.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, one of the purposes of the utility model is to provide a large-scale overhead tank, its problem that can effectually avoid the inner bag dislocation takes place.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the large pressure tank comprises a tank body, an inner bag and an end cover, wherein the inner bag is provided with a folded edge, the end cover is provided with a positioning ring, the positioning ring comprises a large end and a small end, the large end is connected with the end cover, the outer diameter of the small end is smaller than the inner diameter of the folded edge, and the outer diameter of the large end is larger than the outer diameter of the folded edge.

Through adopting above-mentioned technical scheme, consequently when the equipment, the hem and the jar body of inner bag contact, when the hem dislocation, when the installation end cover, because the external diameter of tip is less than the internal diameter of hem, the external diameter of main aspects is greater than the external diameter of hem, consequently, the tip of holding ring can stretch into in the cavity of inner bag, make the hem card on the holding ring, because the hem is in the dislocation state, consequently, the dislocation also can take place for the end cover, consequently, after the calibration end cover, the holding ring is in the tram promptly, consequently can effectually avoid the problem transmission of inner bag dislocation after the equipment is accomplished, avoid because inner bag dislocation and the inner bag both sides atress that leads to uneven and easy problem of damaging take place.

The present invention may be further configured in a preferred embodiment as: the end cover is also provided with a protective ring, the inner diameter of the protective ring is equal to the outer diameter of the folded edge, the height of the protective ring is equal to the thickness of the folded edge, and the tank body is also provided with a protective groove matched with the protective ring.

Through adopting above-mentioned technical scheme, when the equipment, because the internal diameter of guard ring with the external diameter of hem equal, consequently the existence of guard ring can further strengthen the correction effect to the hem, when the equipment is accomplished the back simultaneously, the guard ring part is located the protective bath, consequently can effectually avoid external impurity to contact the problem emergence of the corruption hem that leads to with the hem.

The present invention may be further configured in a preferred embodiment as: the end cover on still be equipped with out the liquid chamber and with go out the pressure boost chamber that the liquid chamber is linked together, play the liquid intracavity be equipped with the filter screen, the pressure boost chamber include first inlet and first liquid outlet, the internal diameter in pressure boost chamber reduce to first liquid outlet direction by first inlet gradually, the internal diameter of first liquid outlet and the diameter in play liquid chamber equal.

By adopting the technical scheme, when water in the inner bag flows outwards, the water can firstly pass through the pressurizing cavity and is discharged from the liquid outlet cavity, so that the water pressure can be effectively increased when the water is discharged.

The present invention may be further configured in a preferred embodiment as: the filter screen be the plastics material, the external diameter of filter screen be greater than the diameter of liquid-out chamber.

Through adopting above-mentioned technical scheme, consequently when installing the filter screen, press the filter screen into out the liquid intracavity, the inner wall interference fit in filter screen and play liquid chamber promptly, consequently it is more convenient when making the installation filter screen.

The present invention may be further configured in a preferred embodiment as: the end cover on still be equipped with the cushion chamber that is linked together with going out the liquid chamber, the cushion chamber include second inlet and second liquid outlet, the internal diameter of cushion chamber by the second inlet to second liquid outlet direction crescent, the internal diameter of second liquid outlet equal with the diameter in play liquid chamber.

Through adopting above-mentioned technical scheme, consequently, when outside water got into interior bag, can pass through the cushion chamber, because the internal diameter of cushion chamber is crescent to second liquid outlet direction by the second inlet, and the internal diameter of second liquid outlet equals with the diameter in play liquid chamber, and when water got into the cushion chamber, water pressure can reduce, consequently can effectually reduce the impact force to the filter screen, avoids the filter screen to shift to even drop to the internal problem of interior bag to take place owing to the impact of intaking.

The present invention may be further configured in a preferred embodiment as: the locating ring comprises a buffer wall, and the buffer wall is arc-shaped.

Through adopting above-mentioned technical scheme, consequently when the water in the inner bag outwards discharges, inner bag can take place deformation, and the existence that consequently is circular-arc buffer wall makes when inner bag and buffer wall contact, can effectually reduce the pressure of contact surface, avoids interior utricule to take place because the too big problem of damage of contact surface pressure.

The present invention may be further configured in a preferred embodiment as: and a rubber sealing layer is also arranged on the bottom wall of the protective groove.

Through adopting above-mentioned technical scheme, after the installation, the guard ring contacts with the rubber sealing layer to extrude the rubber sealing layer, make the rubber sealing layer take place deformation, thereby can play good sealed effect.

The present invention may be further configured in a preferred embodiment as: the contact surface of the protective ring and the rubber sealing layer is wavy.

Through adopting above-mentioned technical scheme, consequently when the rubber sealing layer takes place deformation, also be the wave form, consequently further strengthened sealed effect.

To sum up, the utility model discloses a following at least one useful technological effect:

when the inner bag is assembled, the staggered folded edges can be effectively corrected, the problem that the inner bag is staggered can be effectively solved, and the problem that two sides of the inner bag are stressed unevenly and are easy to damage due to the staggered inner bag is solved;

the existence of guard ring can further strengthen the correction effect to the hem, also can avoid external impurity to corrode the problem emergence of hem simultaneously.

Drawings

Fig. 1 is a schematic diagram of a prior art structure.

Fig. 2 is a schematic sectional structure diagram of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view of the end cap structure of the present invention.

Reference numerals: 11. a tank body; 111. a protective bath; 112. a rubber sealing layer; 12. an inner bag; 121. folding edges; 13. an end cap; 131. a guard ring; 21. a positioning ring; 211. a buffer wall; 22. a pressurizing cavity; 221. a first liquid inlet; 222. a first liquid outlet; 23. a liquid outlet cavity; 24. a filter screen; 25. a buffer chamber; 251. a second liquid inlet; 252. a second liquid outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, for the utility model discloses a large-scale overhead tank, including a jar body 11, inner bag 12 and end cover 13, be equipped with hem 121 on the inner bag 12, be equipped with holding ring 21 on the end cover 13, holding ring 21 includes main aspects and tip, the main aspects with end cover 13 be connected, the external diameter of tip is less than the internal diameter of hem 121, the external diameter of main aspects is greater than the external diameter of hem 121. The positioning ring 21 includes a buffer wall 211, and the buffer wall 211 has an arc shape.

Referring to fig. 3 and 4, the end cap 13 is further provided with a guard ring 131, the inner diameter of the guard ring 131 is equal to the outer diameter of the folded edge 121, the height of the guard ring 131 is equal to the thickness of the folded edge 121, and the can 11 is further provided with a guard groove 111 adapted to the guard ring 131. A rubber sealing layer 112 is also arranged on the bottom wall of the protection groove 111. The contact surface of the protection ring 131 and the rubber sealing layer 112 is wavy.

Referring to fig. 3, the end cover 13 is further provided with a liquid outlet cavity 23 and a pressurizing cavity 22 communicated with the liquid outlet cavity 23, a filter screen 24 is arranged in the liquid outlet cavity 23, the filter screen 24 is made of plastic, and the outer diameter of the filter screen 24 is larger than the diameter of the liquid outlet cavity 23. The pressurizing cavity 22 includes a first liquid inlet 221 and a first liquid outlet 222, the inner diameter of the pressurizing cavity 22 gradually decreases from the first liquid inlet 221 to the first liquid outlet 222, and the inner diameter of the first liquid outlet 222 is equal to the diameter of the liquid outlet cavity 23.

Referring to fig. 3, the end cover 13 is further provided with a buffer cavity 25 communicated with the liquid outlet cavity 23, the buffer cavity 25 includes a second liquid inlet 251 and a second liquid outlet 252, an inner diameter of the buffer cavity 25 gradually increases from the second liquid inlet 251 to the second liquid outlet 252, and an inner diameter of the second liquid outlet 252 is equal to a diameter of the liquid outlet cavity 23.

The implementation principle of the embodiment is as follows: when the equipment, when hem 121 misplaces, when installing end cover 13, the tip of holding ring 21 can stretch into in inner bag 12, hem 121 can block on holding ring 21, consequently, when hem 121 misplaces, end cover 13 also can take place the dislocation, consequently, correct end cover 13 position after, the position of hem 121 is corrected promptly, therefore, can effectively avoid the position of inner bag 12 to take place the dislocation, and lead to inner bag 12 both sides atress inequality, the problem of easy damage takes place, after the equipment is accomplished, guard ring 131 is located and is located protective groove 111 and inconsistent with rubber sealing layer 112, consequently, can effectually play the protective effect to hem 121, buffer chamber 25's setting makes when intaking, can effectually reduce the water pressure when intaking, avoid the too big filter screen 24 that strikes of water pressure, make filter screen 24 become flexible even the problem that drops to inner bag 12 takes place.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a large-scale overhead tank, includes jar body (11), inner bag (12) and end cover (13), inner bag (12) on be equipped with hem (121), its characterized in that: the end cover (13) is provided with a positioning ring (21), the positioning ring (21) comprises a large end and a small end, the large end is connected with the end cover (13), the outer diameter of the small end is smaller than the inner diameter of the folding edge (121), and the outer diameter of the large end is larger than the outer diameter of the folding edge (121).

2. A large pressure tank according to claim 1, characterized in that: the end cover (13) is further provided with a protective ring (131), the inner diameter of the protective ring (131) is equal to the outer diameter of the folded edge (121), the height of the protective ring (131) is equal to the thickness of the folded edge (121), and the tank body (11) is further provided with a protective groove (111) matched with the protective ring (131).

3. A large pressure tank according to claim 1, characterized in that: end cover (13) on still be equipped with out sap cavity (23) and with pressure boost chamber (22) that the sap cavity (23) are linked together, be equipped with filter screen (24) in going out sap cavity (23), pressure boost chamber (22) including first inlet (221) and first liquid outlet (222), the internal diameter of pressure boost chamber (22) by first inlet (221) to first liquid outlet (222) direction reduce gradually, the internal diameter of first liquid outlet (222) and the diameter of going out sap cavity (23) equal.

4. A large pressure tank according to claim 3, characterized in that: the filter screen (24) is made of plastic, and the outer diameter of the filter screen (24) is larger than the diameter of the liquid outlet cavity (23).

5. A large pressure tank according to claim 4, characterized in that: the end cover (13) on still be equipped with the cushion chamber (25) that is linked together with liquid cavity (23), cushion chamber (25) include second inlet (251) and second liquid outlet (252), the internal diameter of cushion chamber (25) by second inlet (251) to second liquid outlet (252) direction crescent, the internal diameter of second liquid outlet (252) equal with the diameter in liquid cavity (23).

6. A large pressure tank according to claim 1, characterized in that: the positioning ring (21) comprises a buffer wall (211), and the buffer wall (211) is arc-shaped.

7. A large pressure tank according to claim 2, characterized in that: and a rubber sealing layer (112) is also arranged on the bottom wall of the protective groove (111).

8. A large pressure tank according to claim 7, characterized in that: the contact surface of the protective ring (131) and the rubber sealing layer (112) is wavy.