JP2000037608A - Y-type strainer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a Y-type strainer in which screen disassembling and assembling work can easily be carried out. SOLUTION: In a Y-type strainer comprising a screen 14 for collecting foreign substances inserted in an auxiliary pipeline branched from an approximately linearly extended main pipeline 11 and extended slantingly, the screen 14 is made of a metal sheet in which a large number of small holes 17 are punched and which is formed to be cylindrical. A cover body 16 is integrally attached to the base end part of the cylindrical screen 14 and the cover body 16 is fastened and fixed in a screen attachment and detachment port 15 of the auxiliary pipeline by a clamp 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a strainer installed in the middle of a fluid pipe for removing foreign matter in a fluid, and more particularly, to a strainer which branches off from a substantially straight main pipe and runs obliquely. The present invention relates to a Y-type strainer in which a screen for capturing foreign matter is inserted and arranged in an extending sub conduit.

[0002]

2. Description of the Related Art FIG. 7 shows a conventional Y-type strainer used for removing foreign matters such as stones contained in miso at the final stage (before entering a packaging process) of a miso production line. Is shown. This Y-type strainer has a strainer main body 3 in which a main line 1 extending substantially linearly and a sub line 2 branched from the main line 1 and extending obliquely are formed in a substantially Y-shape. A screen 4 for capturing foreign matter is inserted and arranged in the passage 2 from the screen insertion / removal opening 5, and the lid 6 abuts against the lid mounting flange portion 7 of the screen insertion / removal opening 5, and an annular projection protruding from the inner surface of the lid 6. The lid 6 is fixed to the flange portion 7 with a plurality of bolts 8 while the base end of the screen 4 is held by the projection 6a.

The miso fluid flowing from the inlet 1a of the main line 1 flows into the cylindrical screen 4 of the sub line 2 branched from the main line 1, and the small holes 9 of the screen 4 Through the screen 4 from the inner peripheral side to the outer peripheral side. At this time, the foreign matter contained in the miso is caught and removed by the small holes 9, and the miso from which the foreign matter has been removed flows out to the outlet 1b side. When the screen 4 is to be washed, the bolts 8 are removed, the lid 6 is removed, and then the screen 4 is taken out from the screen insertion / removal opening 5, and is appropriately cleaned.

[0004]

In the conventional Y-type strainer, when taking out the screen 4 from the sub-line 2 for cleaning, a plurality of bolts 8 are removed, the lid 6 is removed, and the screen 4 is removed. A cumbersome operation of drawing out from the screen insertion / removal opening 5 is required. Also, in the case where the screen is inserted into the sub-line 2 after cleaning, the screen 4 is inserted into the sub-line 2 through the screen insertion / removal 5. , Lid 6
The same troublesome work as fixing the bolts 4 with bolts is required.

Further, in the conventional Y-type strainer, the screen 4 is formed in a cylindrical shape by a metal plate punched out of a large number of small holes 9. In order to improve the quality, the burr formed on the periphery of the small hole when punching the small hole 9 is punched out so as to protrude toward the outer peripheral surface side of the cylindrical screen 4. Is drawn out of the sub-line 2, the foreign matter-containing miso contained in the screen 4 escapes from the screen 4 and remains in the sub-line 2, and the miso flows out to the outlet 1 b side while containing the foreign matter. There was a risk.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a Y-type strainer which can easily and easily remove and attach a screen. Another object of the present invention is to remove the screen when pulling out the screen from the sub-line.
An object of the present invention is to provide a Y-type strainer capable of extracting the miso contained in the screen 4 with the screen as it is.

[0007]

The invention according to claim 1 is
In a Y-type strainer in which a screen 14 for capturing foreign matter is inserted and arranged in a sub-channel 12 that branches off from a main channel 11 that extends substantially linearly and that extends in an oblique direction, the screen 14 punches a number of small holes 17. A lid 16 is integrally attached to the base end of the cylindrical screen 14, and the lid 16 is clamped to the screen insertion / removal opening 15 of the sub conduit 12. It is characterized in that it is fastened and fixed by 18.

According to a second aspect, in the Y-type strainer according to the first aspect, the lid body 16 is fixed to a base end portion of the screen 14 and fitted into the screen insertion opening 15. An outer plate 21 which is larger in diameter than the inner plate 20 and is in close contact with the outer surface of the inner plate 20 and the outer end surface of the screen insertion opening 15.
And a handle 22 protruding from the outer surface of the outer plate 21,
The inner plate 20 and the outer plate 21 are detachably joined to each other by screwing a screw hole 23 provided in the center of one of the inner and outer plates 20 and a screw 24 provided in the center of the other plate. It is characterized by being.

[0009] Claim 3 is a main line 1 extending substantially linearly.
In a Y-type strainer in which a screen 14 for capturing foreign matter is inserted and disposed in a sub-pipe 12 which branches from and extends obliquely, the screen 14 is formed in a cylindrical shape by a metal plate in which a number of small holes 17 are punched out. And a burr 19 formed on the periphery of the small hole when the small hole 17 is punched out.
Are formed so as to protrude toward the inner peripheral surface side of the cylindrical screen 14.

[0010]

FIG. 1 shows a Y-type strainer according to the present invention.
Main line 11 extending almost linearly from 1a to outlet 11b
And a sub-line 12 branching from the main line 11 and extending obliquely. The strainer main body 13 is formed in a substantially Y-shape. A screen 14 is inserted and arranged in the sub-line 12 of the strainer main body 13. I have. The screen 14 is formed in a cylindrical shape by a metal plate punched out of a large number of small holes 17. A lid 16 is integrally attached to a base end of the cylindrical screen 14, and the lid 16 is The auxiliary pipe 12 is fastened and fixed to the screen insertion / removal opening 15 by the clamp 18.

The screen 14 is formed in a cylindrical shape from a stainless steel plate having a large number of small holes 17 punched out as described above, and as shown in an enlarged manner in FIG.
The burrs 19 formed on the peripheral edge of the small hole when the 7 is punched are punched out so as to protrude toward the inner peripheral surface of the cylindrical screen 14. Therefore, screen 1
The inner peripheral surface of 4 is in a state where it is prevented from slipping by burrs 19 projecting from the peripheral edge of each small hole 17.

As can be seen from FIGS. 1 and 3, the lid 16 is fixed to the base end of the cylindrical screen 14 by welding, and is formed in a stainless disk-like shape fitted into the screen insertion opening 15. A plate 20, a stainless disk-shaped outer plate 21 having a diameter larger than that of the inner plate 20 and being in close contact with the outer surface of the inner plate 20 and the outer end surface of the screen insertion / removal opening 15; The inner plate 20 and the outer plate 21 with the handle 22 are provided with a screw hole 23 provided at the center of the inner plate 20 and an outer plate 21 as shown in FIG. Are detachably joined to each other by screwing with a screw 24 protruding from the center of the.

As shown in FIG. 1, the outer peripheral edge of the outer plate 21 is formed to have the same diameter as the outer peripheral edge of the screen insertion opening 15. In the lid 16, a screw hole 23 is provided on the inner plate 20 side, and a screw 24 is protruded from the outer plate 21. Conversely, a screw 24 is provided on the inner plate 20 side, and the outer plate 21 is provided. A screw hole 23 may be provided on the side. In addition, at the tip of the screen 14, the engaged step 1 provided on the inner wall of the main pipeline 11 is provided.
A stainless steel engagement ring 29 that engages with 1c is fixed.

As shown in FIGS. 1, 4 and 5, the clamp 18 comprises a pair of clamp members 24 and 25 each formed in a half ring shape.
Are connected to each other by hinges 26, and the other ends of the clamp members 24 and 25, ie, the free ends, are projected outward in the radial direction to form fastening portions 24a and 25a, respectively. One end of a screw shaft 27 is pivotally attached to the fastening portion 24a, and a fastening nut member 28 is screwed to the other end of the screw shaft 27.

As shown in FIGS. 1 and 5, the inner peripheral surface of each of the clamp members 24 and 25 and the outer peripheral portion of the screen insertion / removal opening 15 and the outer plate 2 closely engaged with the outer end surface of the insertion / removal opening 15 are provided.
Engagement concave grooves 24b and 25b are formed to engage with the outer peripheral edge portion 1 of the main body. Further, the screw shaft 27 pivotally attached to one of the fastening portions 24a is locked by the groove-shaped locking portion 30 of the other fastening portion 25a at the locked locking position as shown by the solid line in FIG. It has become.

In using the Y-shaped strainer having the above-described configuration, the sub-line 1 of the strainer body 13 is used.
When the screen 14 is inserted into the screen 2, as shown in FIG. 6, the handle 22 of the lid 16 provided integrally with the screen 14 is grasped by hand as shown by the phantom line in FIG. The screen 14 is inserted into the sub conduit 12 through the screen insertion / removal opening 15, and the engagement ring 29 at the tip of the screen 14 is connected to the main conduit 1.
1, the inner plate 20 of the lid 16 is fitted to the inner periphery of the screen insertion / removal opening 15 as shown in FIG. The plate 21 comes into contact with the outer end surface of the screen insertion / removal opening 15.

After the two clamp members 24 and 25 of the clamp 18 are released, the outer peripheral edge of the screen insertion / removal opening 15 and the outer peripheral edge of the outer plate 21 of the lid 16 are engaged with each other. To the clamp member 2 as shown by the solid line in FIG.
The lid 16 is locked to the locking portion 30 of the fastening portion 25a on the fifth side, and the nut member 28 is tightened to draw the two fastening portions 24a and 25a toward each other.
5 so that the screen 14 can be attached to a predetermined position in the sub-pipe 12 as shown in FIG.

When the Y-type strainer having the screen 14 mounted in the sub-pipe 12 is installed at a required portion of a miso production line, for example, and is used to remove foreign substances contained in the miso being produced. , Inlet 1 of main pipeline 11
1a flows into the cylindrical screen 14 of the sub-pipe 2 and the small holes 1
7, the foreign matter contained in the miso is caught and removed by the small holes 17, and the miso from which the foreign matter has been removed is passed through the outlet 11b.
Spill to the side.

When the screen 14 is taken out of the auxiliary conduit 12 for cleaning, the nut member 28 of the clamp 18 is loosened and the screw shaft 27 is moved from the locked position shown by the solid line in FIG. The clamp is released by rotating to a release position such as
Is detached from the outer peripheral edge of the screen insertion opening 15 and the outer peripheral edge of the outer plate 21 of the lid 16, and the handle 14 of the lid 16 is grasped and pulled outward as shown by the imaginary line in FIG. Can be easily taken out from the sub conduit 12.

Further, since the inner peripheral surface of the screen 14 is kept from slipping by the burrs 19 formed on the peripheral edge of each small hole 17, when the screen 14 is pulled out from the sub-pipe 12, The miso contained in the screen 14 is pulled out together with the screen 14 without slipping out of the screen 14 by the non-slip action of the burr 19 of each small hole 17. Screen 14
The miso pulled out together with the miso is discarded because there is a possibility that foreign matter is mixed therein. As described above, when the screen 14 is taken out, the miso in the screen 14 can be pulled out together with the screen 14 as it is, so that foreign substances mixed in the miso in the screen 14 can be eliminated from the strainer.

When the screen 14 is taken out of the sub-line 12 for cleaning, the lid 16 is attached to the screen 1.
By disassembling the inner plate 20 fixed to the 4 side and the outer plate 21 with the handle 22 and removing the outer plate 21 with the handle 22 of the lid 16 from the screen 14, the cleaning operation of the screen 14 can be performed. It will be easier. In this disassembly,
What is necessary is just to rotate the outer plate 21 in the direction in which the screw 24 screwed into the screw hole 23 of the inner plate 20 is loosened.

[0022]

According to the Y-type strainer of the first aspect of the present invention, the lid is integrally attached to the base end of the screen, and the lid is fastened and fixed to the screen insertion / removal opening of the sub-tube. When removing the screen from the sub-line when cleaning the screen,
After releasing the clamp, hold the lid side and pull out the screen from the screen insertion opening, and when installing the screen, similarly, hold the lid side and insert the screen from the screen insertion opening and tighten the clamp Therefore, the screen can be taken out and attached easily and easily.

According to the Y-type strainer of the present invention, the lid is disassembled into an inner plate fixed to the screen and an outer plate with a handle, and the lid is attached to the screen with the handle. The screen can be easily cleaned because the outer plate can be removed, and when the screen needs to be replaced due to damage to the screen, it is not necessary to replace the entire lid with a new one. It is economical.

According to the third aspect of the present invention, the screen is formed in a cylindrical shape by a metal plate having a large number of small holes punched out and formed around the small holes when the small holes are punched. Since the burr is formed so as to protrude toward the inner peripheral surface of the cylindrical screen, if the strainer is used by installing it in a fluid pipe of high viscous fluid such as miso, the miso The same high-viscosity fluid can be pulled out together with the screen by the anti-slip effect of the burrs of the small holes, and foreign matter mixed in the high-viscosity fluid such as miso contained in the screen can be removed from the strainer. it can.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a strainer according to the present invention.

FIG. 2 is an enlarged detailed sectional view of a portion indicated by an arrow A in FIG.

FIG. 3 is a partially longitudinal side view showing a state where the lid is disassembled into an inner plate fixed to the screen side and an outer plate with a handle.

FIG. 4 is a perspective view showing a lid mounting portion of the strainer.

FIG. 5 is a partial sectional front view showing a main part of the clamp.

FIG. 6 is an explanatory cross-sectional view showing a screen removing and inserting operation.

FIG. 7 is a longitudinal sectional view showing a conventional trainer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Main pipeline 12 Sub pipeline 14 Screen 15 Screen insertion opening 16 Lid 17 Small hole 18 Clamp 19 Small hole return 20 Inner plate 21 Outer plate 22 Handle 23 Screw hole 24 Screw

Claims (3)

[Claims] 1. A Y-type strainer in which a screen for capturing foreign matter is inserted and disposed in a sub-line that branches off from a main line that extends substantially linearly and extends diagonally, wherein the screen punches a number of small holes. The cover is integrally attached to the base end of the cylindrical screen, and the cover is fastened and fixed to the screen insertion opening of the auxiliary pipe by a clamp. A Y-type strainer, characterized in that: 2. An inner plate fixed to a base end portion of a screen and fitted in a screen insertion opening, an outer surface of the inner plate having a diameter larger than the inner plate and an outer end surface of the screen insertion opening. And a handle protruding from the outer surface of the outer plate, and the inner plate and the outer plate are provided with a screw hole provided at the center of one of the inner and outer plates and a screw hole provided at the center of the other plate. The Y-type strainer according to claim 1, wherein the Y-type strainer is detachably joined to each other by screwing with a screw provided at a central portion. 3. A Y-type strainer in which a screen for trapping foreign matter is inserted and arranged in a sub-line which branches off from a main line extending in a substantially straight line and extends obliquely, said screen punches a number of small holes. And a burr formed at the periphery of the small hole when the small hole is punched out and protruding toward the inner peripheral surface side of the cylindrical screen. strainer.