TWI522562B - A method for fixing the water storage pressure barrel and the pipe joint which can prevent the cylinder assembly from interfering with the assembly - Google Patents

Description

Water storage pressure tank and pipe joint fixing method capable of preventing assembly interference of lining barrel

The invention relates to a water storage pressure tank, in particular to a water storage pressure tank and a pipe joint fixing method capable of preventing assembly interference of the inner liner.

The barrel of the water storage pressure tank is made of metal. When the water storage pressure tank is used for accommodating drinking water, the plastic lining barrel is generally added to isolate drinking water and metal to maintain the sanitation of drinking water.

In the past, a water storage pressure tank having a lined barrel, as disclosed in the patent US Pat. No. 8,348,085 B2, comprises an outer barrel, a lined barrel and a side pipe joint, and the pipe joint extends into the interior of the inner liner. It is worth noting that the assembly must be welded to the outer barrel before the installation of the inner liner, otherwise the inner liner will be deformed due to the high temperature during welding, but the patent is completed before the joint is completed. After the welding, the subsequent installation of the liner barrel is interfered by the side joints and is difficult to assemble.

In addition, the through hole on the patented inner liner barrel must be pre-opened, and the through hole is also required to be aligned with the pipe joint when assembling the inner liner barrel, which is difficult to assemble due to difficulty in assembly.

Accordingly, it is an object of the present invention to provide a water storage pressure tank that facilitates assembly and that prevents assembly interference of the liner barrel.

Accordingly, it is an object of the present invention to provide a pipe joint fixing method for a water storage pressure tank which is easy to assemble and which prevents assembly interference of the inner liner.

Therefore, the water storage pressure tank capable of preventing the interference of the inner liner barrel assembly comprises an outer barrel body, a lining barrel, a pipe joint, a fixing component, an elastic diaphragm, and a pressing ring member, and the outer barrel body comprises a ring wall surrounding an axis and defining a cavity, the ring wall having a communication hole, the lining barrel being sleeved inside the outer barrel, the lining barrel including a peripheral wall corresponding to the ring wall, The peripheral wall has a through hole corresponding to the communication hole, and the pipe joint includes a pipe wall surrounding an inlet and outlet water hole, and an inner end of the pipe wall is fixed to the ring wall such that the inlet and outlet holes correspond to the communication hole, and The inner end does not extend into the through hole of the inner lining barrel, and the fixing assembly comprises a fixing hole penetrating through the through hole of the inner lining barrel and the inlet and outlet holes of the pipe joint, an outer leakage preventing member, and an inner portion a retaining tube having an inner flange located inside the peripheral wall of the inner tub and an outer flange opposite to the inner flange, the inner stop being clamped to the inner retaining Between the edge and the peripheral wall of the liner barrel, the outer The leakage member is sandwiched between the outer flange and the pipe wall of the pipe joint, and at least one of the inner flange and the outer flange is externally expanded after the fixing pipe is pierced The elastic diaphragm is disposed inside the outer tub body, and the chamber is partitioned to form a water storage chamber corresponding to the inner tub and an air pressurizing chamber, and the pressing ring member is disposed inside the elastic diaphragm, and the pressing ring is disposed inside the elastic diaphragm The elastic diaphragm and the peripheral wall of the inner tub are fixed outside The wall of the barrel.

The water storage pressure tank capable of preventing assembly interference of the inner liner barrel according to the present invention, wherein the pipe wall of the pipe joint has a small aperture section adjacent to the communication hole of the outer barrel body and a large aperture section relatively far from the communication hole And a shoulder between the small aperture section and the large aperture section, the outer leakage member of the fixing assembly being sandwiched between the outer flange of the fixed tube and the shoulder of the tube wall.

The water storage pressure tank capable of preventing interference of assembly of the inner liner barrel according to the present invention, wherein the outer tub body further comprises a first barrel body formed with the ring wall and a second barrel docked with the first barrel body And a gas valve disposed in the second barrel and communicating with the air pressure chamber, the lining barrel, the pipe joint, the elastic diaphragm and the pressing ring are correspondingly disposed on the first barrel.

The water storage pressure tank capable of preventing interference of assembly of the inner liner barrel according to the present invention, wherein the outer tub body further comprises a first barrel body formed with the ring wall and a base disposed under the first barrel body And a gas valve disposed on the base and communicating with the air pressure chamber, the inner liner barrel, the pipe joint, the elastic diaphragm and the pressing ring member are correspondingly disposed on the first barrel body.

The water storage pressure tank capable of preventing interference of assembly of the inner liner barrel according to the present invention further includes a gasket sandwiched between the outer tub body and the inner tub, and the gasket is disposed corresponding to the through hole and the through hole.

The water storage pressure tank capable of preventing the assembly interference of the inner liner barrel according to the present invention, wherein the inner end inner diameter of the pipe joint pipe wall is substantially the same as the inner hole diameter of the inner liner barrel.

The invention can prevent the water storage pressure tank of the inner liner barrel assembly interference The pipe joint fixing method comprises the following steps: 1. Preparing a first barrel body and a pipe joint, the first barrel body comprising a ring wall surrounding an axis and defining a cavity, and a ring wall connecting the ring wall. a first end wall having a communication hole, the pipe joint including a pipe wall defining an inlet and outlet water, and an inner end of the pipe wall is fixed to the first barrel to make the water inlet and outlet The hole corresponds to the connecting hole; 2. Preparing a lining barrel, the lining barrel includes a peripheral wall corresponding to the ring wall, and an inner end wall connecting the peripheral wall and corresponding to the first end wall, the lining barrel edge The axis is sleeved inside the outer tub body; three, a cutter is cut along the pipe wall of the pipe joint to form a through hole; and four, a fixing component is prepared, and the fixing component comprises a fixed pipe , an outer stop member, and an inner stop member having an inner flange and an outer flange, the fixing tube is disposed through the through hole of the inner liner and the inlet and outlet of the joint After the water hole, the inner flange is At least one of the outer flanges is flared, wherein the inner flange is located inside the peripheral wall of the inner tub, and the inner stop is sandwiched between the inner flange and the inner tub Between the peripheral walls, the outer stop member is sandwiched between the outer flange and the wall of the pipe joint.

The method for fixing a pipe joint of a water storage pressure tank capable of preventing interference of assembly of a liner barrel according to the present invention, wherein in the first step, the communication hole is located in a ring wall of the first barrel body, and in the third step, the through hole is located The peripheral wall of the liner barrel.

The water storage pressure capable of preventing assembly interference of the inner liner barrel according to the present invention The pipe joint fixing method of the force barrel, in the step 4, the inner flange is formed by being expanded and formed after the fixed pipe is inserted through the through hole, and the outer flange is disposed in the fixed pipe It has been formed before the through hole.

The invention has the effect that the pipe joint does not protrude into the through hole of the inner liner barrel, and at least one of the inner flange and the outer flange of the fixed pipe is not worn after the fixed pipe is worn. The external expansion molding can certainly prevent the inner liner barrel from encountering the joint of the pipe joint or the fixing component during assembly, and the assembly of the pipe joint, the inner liner barrel and the fixing assembly is more convenient.

1‧‧‧Outer barrel

11‧‧ ‧ room

111‧‧‧Water storage chamber

112‧‧‧Air pressurized chamber

12‧‧‧Circle

121‧‧‧Connected holes

13‧‧‧ first barrel

132‧‧‧First end wall

14‧‧‧Second barrel

141‧‧‧ barrel wall

142‧‧‧second end wall

15‧‧‧ gas valve

16‧‧‧Base

2‧‧‧Lined barrels

21‧‧‧Week wall

211‧‧‧through holes

22‧‧‧ inner end wall

3‧‧‧ pipe joint

31‧‧‧Inlet and outlet

32‧‧‧ wall

321‧‧‧Inside

322‧‧‧Small aperture section

323‧‧‧large aperture section

324‧‧‧ shoulder

3'‧‧‧ pipe joint

3"‧‧‧ pipe joint

4‧‧‧Washers

5‧‧‧Fixed components

51‧‧‧Fixed tube

511‧‧‧Internal flange

512‧‧‧Outer flange

52‧‧‧External stop

53‧‧‧End leaking parts

531‧‧‧ leaking ring

532‧‧‧ Cover ring

6‧‧‧Flexible diaphragm

7‧‧‧Suppression ring

8‧‧‧Tools

L‧‧‧ axis

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a partial cross-sectional view showing the first comparison of the water storage pressure tank of the present invention to prevent assembly interference of the inner liner barrel. FIG. 2 is a partially enlarged cross-sectional view showing an outer tub body, a lining bucket, a pipe joint and a fixing component of the first preferred embodiment; FIG. 3 is a schematic flow chart showing the first embodiment The pipe joint fixing method of the preferred embodiment; and FIG. 4 is a cross-sectional view showing a second preferred embodiment of the water storage pressure tank of the present invention which prevents the assembly of the inner liner.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, the present invention prevents interference of the inner liner barrel assembly The first preferred embodiment of the water storage pressure tank comprises an outer tub 1, a inner tub 2, a plurality of fittings 3, 3', 3", a washer 4, a fixing assembly 5, and an elastic diaphragm 6. And a pressing ring member 7, since the present invention can include only one pipe joint 3, and the pipe joint 3', 3" is mounted in the same manner as the pipe joint 3, the pipe joint 3 will be described below.

The outer tub 1 includes a ring wall 12 that surrounds an axis L and defines a chamber 11 having a communication aperture 121.

The lining barrel 2 is sleeved inside the outer tub 1 along the axis L. The lining bucket 2 includes a peripheral wall 21 corresponding to the annular wall 12, and the peripheral wall 21 has a through hole 211 corresponding to the communicating hole 121. .

The pipe joint 3 includes a pipe wall 32 defining an inlet and outlet water hole 31. An inner end 321 of the pipe wall 32 is fixed to the annular wall 12 of the outer tub body 1 so that the water inlet and outlet holes 31 correspond to the communication hole 121. The inner end 321 of the tube wall 32 does not extend into the through hole 211 of the inner tub 2, and the inner end 321 of the tube wall 32 has an inner diameter substantially the same as the inner diameter of the through hole 211 of the inner tub 2.

The pipe wall 32 of the pipe joint 3 has a small aperture section 322 adjacent to the communication hole 121 of the outer barrel 1, a large aperture section 323 relatively far from the communication hole 121, and a small aperture section 322 and a large aperture section. 323 shoulders 324.

The gasket 4 is sandwiched between the annular wall 12 of the outer tub body 1 and the peripheral wall 21 of the inner tub 2, and the gasket 4 is disposed corresponding to the communicating hole 121 and the through hole 211.

The fixing assembly 5 includes a through-line barrel 2 a hole 211 and a fixing pipe 51 of the water inlet and outlet hole 31 of the pipe joint 3, an outer leakage preventing member 52, and an inner leakage preventing member 53 having a inner side of the peripheral wall 21 of the inner liner barrel 2 a retaining flange 511 and an outer flange 512 opposite to the inner flange 511, the inner stop member 53 being sandwiched between the inner flange 511 and the peripheral wall 21 of the inner tub 2, The inner leakage preventing member 53 has a leakage preventing ring 531 and a cover ring piece 532 covering the leakage preventing ring 531 and being clamped by the inner limiting flange 511. The outer leakage preventing member 52 is clamped to the outer blocking convex portion. Between the rim 512 and the tube wall 32 of the pipe joint 3, the outer stop member 52 leaks.

In the first preferred embodiment, the outer stop member 52 of the fixing assembly 5 is sandwiched between the outer flange 512 of the fixed tube 51 and the shoulder 324 of the tube wall 32. At least one of the rim 511 and the outer flange 512 is externally expanded after the fixed tube 51 is inserted into the through hole 211.

The elastic diaphragm 6 is disposed inside the outer tub 1 and partitions the chamber 11 to form a water storage chamber 111 corresponding to the inner tub 2, and an air pressurizing chamber 112. The pressing ring member 7 is disposed inside the elastic diaphragm 6, and the elastic diaphragm 6 and the peripheral wall 21 of the inner tub 2 are fixed to the annular wall 12 of the outer tub 1.

In the first preferred embodiment, the outer tub 1 further includes a first barrel 13 formed with the ring wall 12, a second barrel 14 docked with the first barrel 13, and a setting The lining barrel 2, the pipe joint 3, the gasket 4, the fixing assembly 5, the elastic diaphragm 6, and the pressing ring member 7 are correspondingly disposed on the second bucket body 14 and communicating with the air pressure chamber 112. The first a barrel body 13, the first barrel body 13 further has a first end wall 132 connecting the ring wall 12, the second barrel body 14 has a barrel wall 141 overlapping the ring wall 12 and a barrel connecting the barrel The second end wall 142 of the wall 141 further includes an inner end wall 22 connecting the peripheral wall 21 and corresponding to the first end wall 132. Incidentally, the air in the air pressurizing chamber 112 In addition to being filled by the gas valve 15, a dry ice sublimation forming gas may be previously placed.

Referring to FIG. 3, the method for fixing a pipe joint of a water storage pressure tank capable of preventing interference of lining barrel assembly comprises the following steps:

Step 1 : Prepare the first barrel 13 and the pipe joint 3 , and weld the inner end 321 of the pipe wall 32 to the ring wall 12 of the first barrel 13 so that the inlet and outlet holes 31 correspond to the hole 121. .

It should be noted that the communication hole 121 may be disposed on the first end wall 132 of the first barrel 13 , and the inner end 321 of the tube wall 32 is welded and fixed to the first portion of the first barrel 13 . End wall 132. (not shown)

Step 2: Preparing the lining barrel 2, and lining the lining barrel 2 along the axis L inside the first barrel 13.

Step 3: A cutter 8 is cut along the pipe wall 32 of the pipe joint 3 to form a through hole 211. Since the through hole 211 is cut and formed after the inner liner 2 is mounted on the outer tub 1, the position of the through hole 211 is quite accurate, and the through hole 211 and the pipe joint 3 can be omitted. The step of the inner end 321 , and the method can also enable the inner liner 2 to elastically open the through hole 211 according to the position of the communication hole 121 of the outer tub 1 .

It should be noted that the cutter 8 forming the through hole 211 is cut. It is not limited to a solid die or blade, but may be other types, such as a laser or a water jet, as long as it is cut along the pipe wall 32 of the pipe joint 3.

Step 4: Prepare the fixing component 5, and insert the fixing pipe 51 into the through hole 211 of the lining barrel 2 and the water inlet and outlet hole 31 of the pipe joint 3, and then the inner flange 511 and the outer ring At least one of the retaining flanges 512 is expanded and stamped, and the inner stop member 53 is sandwiched between the inner flange 511 and the peripheral wall 21 of the inner tub 2, and the outer stop member is 52 is sandwiched between the outer flange 512 and the pipe wall 32 of the pipe joint 3. In the embodiment shown in FIG. 3, the inner flange 511 is inserted after the fixing pipe 51 is inserted through the through hole 211. The outer flange 512 is formed before the fixed pipe 51 is inserted through the through hole 211. Alternatively, the outer flange 512 may be worn on the fixed pipe 51. After the through hole 211 is formed, the outer ring flange 512 is formed before the fixed pipe 51 is inserted through the through hole 211, or the inner flange 511 is externally formed. The retaining flanges 512 are all formed by external expansion after being inserted through the through holes 211.

Referring to FIG. 4, in a second preferred embodiment of the present invention, the second preferred embodiment is substantially the same as the first preferred embodiment, except that the second preferred embodiment of the present invention is substantially the same as the first preferred embodiment. In the second preferred embodiment, the gasket 4 is not included, and the outer tub 1 does not include the second tub 14 , and the outer tub 1 further includes a lower portion 13 disposed below the first bucket 13 . The susceptor 16 is disposed on the susceptor 16 and communicates with the air pressurizing chamber 112.

In summary, since the inner end 321 of the pipe joint 3 is not extended The through hole 211 of the inner liner barrel 2 is inserted, and at least one of the inner flange 511 and the outer flange 512 of the fixed tube 51 is inserted into the through hole 211 after the fixed tube 51 is inserted into the through hole 211. The outer expansion molding can prevent the inner liner 2 from being interfered with by the pipe joint 3 or the fixing assembly 5 during assembly, so that the assembly of the pipe joint 3, the inner liner 2 and the fixing assembly 5 is more convenient, and indeed The object of the invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

1‧‧‧Outer barrel

11‧‧ ‧ room

111‧‧‧Water storage chamber

112‧‧‧Air pressurized chamber

12‧‧‧Circle

121‧‧‧Connected holes

13‧‧‧ first barrel

132‧‧‧First end wall

14‧‧‧Second barrel

141‧‧‧ barrel wall

142‧‧‧second end wall

15‧‧‧ gas valve

2‧‧‧Lined barrels

21‧‧‧Week wall

211‧‧‧through holes

22‧‧‧ inner end wall

3‧‧‧ pipe joint

3'‧‧‧ pipe joint

3"‧‧‧ pipe joint

4‧‧‧Washers

5‧‧‧Fixed components

6‧‧‧Flexible diaphragm

7‧‧‧Suppression ring

L‧‧‧ axis

Claims (9)

A water storage pressure tank capable of preventing assembly interference of a liner barrel, comprising: an outer barrel body, the outer barrel body comprising a ring wall surrounding an axis and defining a cavity, the ring wall having a communication hole; a lining barrel, the lining barrel is sleeved inside the outer barrel, the lining barrel comprises a peripheral wall corresponding to the annular wall, the peripheral wall has a through hole corresponding to the communication hole; a pipe joint, the pipe joint includes a pipe wall defining an inlet and outlet hole, an inner end of the pipe wall is fixed to the ring wall such that the inlet and outlet holes correspond to the communication hole, and the inner end does not extend into the through hole of the inner liner; a fixing assembly comprising a fixing hole penetrating through the through hole of the inner liner barrel and the inlet and outlet holes of the pipe joint, an outer leakage preventing member, and an inner leakage preventing member having a plurality of An inner flange of the inner side of the peripheral wall of the inner tub and an outer flange opposite to the inner flange, the inner stop member being sandwiched between the inner flange and the peripheral wall of the inner tub The outer stop member is clamped to the outer flange and the pipe joint Between the pipe walls, at least one of the inner flange and the outer flange is externally expanded after the fixing pipe is pierced; an elastic diaphragm is disposed inside the outer cylinder, and a chamber partition forming a water storage chamber corresponding to the lining barrel and an air pressure chamber; and a pressing ring member disposed inside the elastic diaphragm, the bomb The diaphragm and the peripheral wall of the inner tub are fixed to the annular wall of the outer tub. The water storage pressure tank according to claim 1, wherein the pipe wall of the pipe joint has a small aperture section adjacent to the communication hole of the outer barrel, and a large distance away from the communication hole. An aperture section, and a shoulder between the small aperture section and the large aperture section, the outer stop member of the fixing assembly is sandwiched between the outer flange of the fixed tube and the shoulder of the tube wall. The water storage pressure tank according to claim 1, wherein the outer tub body further comprises a first barrel body formed with the ring wall and a first docking body connected to the first barrel body. a two-barrel body, and a gas valve disposed in the second barrel body and communicating with the air pressure chamber, the lining barrel, the pipe joint, the elastic diaphragm and the pressing ring member are correspondingly disposed on the first barrel body. The water storage pressure tank according to claim 1, wherein the outer tub body further comprises a first barrel body formed with the ring wall, and a first barrel body disposed under the first barrel body. a pedestal, and a gas valve disposed on the pedestal and communicating with the air pressure chamber, the lining barrel, the pipe joint, the elastic diaphragm and the pressing ring are correspondingly disposed on the first barrel body. The water storage pressure tank capable of preventing the interference of the inner liner barrel assembly according to claim 1, further comprising a gasket sandwiched between the outer tub body and the inner tub, the gasket corresponding to the communication hole and the through hole Settings. a water storage pressure tank capable of preventing interference of assembly of a liner barrel according to claim 1, wherein an inner diameter of the inner end of the pipe joint wall is substantially The same as the through hole diameter of the liner barrel. A pipe joint fixing method for a water storage pressure tank capable of preventing interference of assembly of a liner barrel comprises the following steps: 1. Preparing a first barrel body and a pipe joint, the first barrel body including an axis surrounding and defining a ring wall of a chamber, and a first end wall connecting the ring wall, the first barrel body having a communication hole, the pipe joint including a wall surrounding the water hole defining an inlet and outlet, one of the wall of the tube The inner end is fixed to the first barrel so that the inlet and outlet holes correspond to the communication hole; second, preparing a lining barrel, the lining barrel includes a peripheral wall corresponding to the annular wall, and a connecting the peripheral wall and corresponding to the An inner end wall of the one end wall, the inner liner barrel is sleeved inside the outer barrel body along the axis; three, a cutter is cut along the pipe wall of the pipe joint to form a through hole; and 4. Preparing a fixing assembly, the fixing assembly comprising a fixed tube, an outer leakage preventing member, and an inner leakage preventing member having an inner flange and an outer flange, the fixing tube is disposed The through hole of the lined barrel and the After the inlet and outlet holes of the joint are inserted into the water outlet hole, at least one of the inner flange and the outer flange are expanded, wherein the inner flange is located inside the peripheral wall of the inner liner, and the inner leakage is stopped. A member is interposed between the inner flange and a peripheral wall of the inner tub, and the outer leakage member is sandwiched between the outer flange and the pipe wall of the pipe joint. The pipe joint fixing method of the water storage pressure tank capable of preventing the interference of the lining barrel assembly according to claim 7, wherein in the first step, the communication hole is located in the ring wall of the first barrel body, wherein In step three, the through hole is located on a peripheral wall of the liner barrel. The pipe joint fixing method of the water storage pressure tank capable of preventing interference of the inner drum assembly according to claim 7, wherein in the fourth step, the inner flange is after the fixed pipe is inserted through the through hole It is formed by extrusion molding, and the outer flange is formed before the fixing pipe is inserted through the through hole.