JPH05245313A - Strainer structure - Google Patents

Abstract

PURPOSE:To close an attaching and detaching opening and to facilitate the replacement of a filter by removing the filter from the attaching and detaching opening. CONSTITUTION:In a strainer having a pipe member 1 which has an inner chamber 1A through which cold water 13 is passed from a feed port 2 to a discharge port 3, a cap 5 which is restrained on an attaching and detaching opening 4 formed in the pipe member 1 and a filter 7 in the shape of a cylinder which is fixed to a bar-like part 6A of an adapter 6 held by the cap 5 and disposed in the inner chamber 1A, when the cap 5 is removed from the attaching and detaching opening 4 on attaching and detaching of the filter, the 1st and 2nd valves 9, 10 are operated by spring force of springs 11, 12 to close the attaching and detaching opening 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a filter in an inner chamber of a pipe member through which cold water is circulated from a supply port to a discharge port, and the filter is removed from the insertion port to close the insertion port. A strainer structure thus formed.

In recent years, in supercomputers and the like, power consumption has increased and high-density mounting has progressed due to higher speeds, and electronic components such as semiconductor elements have been mounted by a cooling device in order to obtain stable operation. The cooling module is being cooled.

Cold water is generally used as a refrigerant in such a cooling device because it is economical, and cooling is performed by circulating the cold water from the cooling device to the cooling module. .

However, in the structure in which the cold water is circulated from the cooling device to the cooling module, if impurities such as dust are mixed in the cold water, the circulation of the cold water is impaired, so that the cold water is circulated in a predetermined portion of the circulation path. Is equipped with a strainer to remove impurities such as dust mixed in cold water.

[0005]

2. Description of the Related Art Conventionally, it is formed as shown in the conventional side sectional view of FIG. As shown in FIG. 5, the supply port 31A
A pipe member 31 provided with a discharge port 31B and an insertion / removal port 31C.
The cylindrical filter 32 was formed inside the inner chamber 31D.

Further, the filter 32 is held by a cap 32 screwed to a screw portion 31E formed in the insertion / removal opening 31C, and its tip is brought into contact with a flow opening 31F formed in the inner chamber 31D, so that the filter 32 is hollow. The part 32A is formed so as to communicate with the flow port 31F.

Further, a mesh-shaped filtering surface is formed on the filter 32, and the cold water 13 is supplied from the supply port 31A as shown by the arrow F1, and flows out from the flow port 31F into the hollow portion 32A as shown by the arrow F2. , Hollow part 32A to inner chamber 31D as shown by arrow F3
The cold water 13 is filtered by being discharged to the discharge port 31B as shown by the arrow F4.

[0008] Therefore, when impurities such as dust are accumulated in the filter 32, the cap 32 is removed to insert and remove the cap 31.
Remove the filter 32 from C and insert / remove the new filter 32.
After inserting from 31C, the cap 32 is screwed.

[0009]

However, when such a new filter 32 is inserted through the insertion / removal port 31C, the supply port 31
When the cold water 13 is supplied from A, the cold water 13 is ejected from the insertion / removal opening 31C by removing the cap 32.

Therefore, when replacing the filter 32, the supply of the cold water 13 is stopped. That is, it is necessary to dispose a valve in front of the supply port 31A or to stop the operation of the cooling device that circulates the cold water 13 so as to stop the circulation of the cold water. There is a problem that the filter 32 cannot be easily replaced by stopping the operation.

Therefore, an object of the present invention is to remove the filter from the insertion / removal opening to close the insertion / removal opening, and to facilitate replacement of the filter.

[0012]

FIG. 1 is a diagram for explaining the principle of the first invention, and FIG. 2 is a diagram for explaining the principle of the second invention. As shown in FIG. Cold water 13 at outlet 3
It is attached to a pipe member 1 having an inner chamber 1A which circulates, a cap 5 which is locked to an insertion opening 4 formed in the pipe member 1, and a rod-shaped portion 6A of an adapter 6 which is held by the cap 5. ,
A cylindrical filter 7 disposed in the inner chamber 1A, and the filter 7.
The side end surface 8A is pressed by 7 and the cylinder 8 is slid by compressing the spring 11, the first valve 9 formed on the outer periphery of the side end surface 8A, and the rod 8 provided inside the cylinder 8 The spring 12 is pressed by the tip of part 6A.
And a second valve 10 for opening and closing the opening 14 formed in the side end surface 8A by compressing the hollow end of the filter 7 through which the cold water 13 supplied from the supply port 2 communicates with the opening 14. To the outlet 3 by passing through the filter 7
The cold water 13 is filtered and the cap is discharged.
When 5 is removed from the insertion / removal opening 4, the springs 11 and 12
The first and second valves 9 and 10 are actuated by the spring force of, and the insertion opening 4 is closed, and as shown in FIG.
A pipe member 21 having an inner chamber 21A for circulating the cold water 13 from the supply port 22 to the discharge port 23, a cap 25 engaged with an insertion / extraction port 24 formed in the pipe member 21, and held by the cap 25. , A cylindrical filter 27 disposed in the inner chamber 21A, and the filter 2
7 is provided with a valve 26 that slides by compressing the spring 28 by pressing by the side end surface of 7, and the cold water 13 supplied from the supply port 22 is delivered to the discharge port 23 by passing through the filter 27, The cold water 13 is filtered, and when the cap 25 is removed from the insertion / removal opening 24, the spring
The valve 26 is operated by the spring force of 28, and the insertion / removal opening 24 is closed.

[0013]

In the first aspect of the invention, the cylinder 8 which is slid in the inner chamber 1A of the pipe member 1 is provided, and the side end surface 8A of the cylinder 8 is provided.
Is provided with an opening 14 and an outer periphery with a first valve 9, and an end of a cylindrical filter 7 held by interposing an adapter 6 in a cap 5 locked to the insertion / extraction opening 4 is in contact with the end. A second valve that is in contact with the cylinder 8 and opens and closes the opening 14
Ten are installed internally.

Therefore, normally, the spring 11 fixed to the cylinder 8 is compressed by the end of the filter 7,
Cold water 13 is circulated from the supply port 2 to the discharge port 3 via the cylinder 8 and the filter 7 by compressing the spring 12 fixed to the second valve 10 by the tip of the rod-shaped portion 6A of the adapter 6.

Therefore, when the cap 5 is removed, the insertion / removal opening 4 is closed by the first and second valves 9 and 10.
Insertion / removal port 4 without stopping the supply of cold water 13
Therefore, it is possible to prevent the cold water 13 from being jetted.

The second invention is that the inner chamber 21A of the pipe member 21 is
Further, a cylindrical filter 27 held by a cap 25 locked to the insertion / removal opening 24 and a valve 26 that compresses the sprink 28 by abutting the end portion of the filter 27 are internally provided.

Therefore, normally, the flow path is formed by compressing the spring 28 by the end portion of the filter 27,
The cold water 13 supplied from the supply port 22 passes through the filter 27 and is circulated to the discharge port 23.

Therefore, when the cap 25 is removed, the insertion / removal opening 24 is closed by the valve, and the cold water 13 supplied is supplied.
It is possible to prevent the cold water 13 from being ejected from the insertion / ejection opening 24 without stopping the supply of the water.

As described above, in any case, when the filters 7 and 27 are removed from the insertion / removal ports 4 and 24, the cold water 13 is ejected from the insertion and removal ports 4 and 24 without stopping the supply of the cold water 13. And the filters 7 and 27 can be easily replaced.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to FIGS. 3 (a) and 3 (b) are side sectional views, FIG. 4 (c) is a perspective view, and FIG. 4 is an illustration of one embodiment according to the second aspect of the present invention. Here, (a) and (b) are side sectional views. Throughout the drawings, the same reference numerals denote the same objects.

As shown in FIG. 3 (a), an inner chamber 1A is formed in the pipe member 1 through which the cold water 13 is supplied so that the cold water 13 supplied to the supply port 2 is delivered to the discharge port 3. 1A has a first valve
A cylinder 8 having 9 and a filter 7 are provided.

Further, the filter 7 is mounted by the rod-shaped portion 6A of the adapter 6 which is held by the cap 5 which is locked in the insertion / removal opening 4, while the adapter 6 is detachable by the ring 16 provided with the packing 15B. A second valve 10 that is formed and is operated by a spring 12 is formed inside the side end surface 8A of the cylinder 8.

Therefore, when the filter 7 is installed in the inner chamber 1A, the cold water 13 supplied to the supply port 2 as shown by arrow F11 is supplied by the through hole 8B provided in the cylinder 8 as shown by arrow F12. To the hollow part of the cylinder 8, and since the side end surface 8A of the cylinder 8 is in contact with the filter 7, it is sent to the hollow part of the filter 7 through the opening 14 formed in the side end surface 8A and further indicated by the arrow F13. As it passes through the filter 7, it is discharged to the discharge port 3 as shown by arrow F14.

Therefore, when the cold water 13 passes through the mesh formed on the filter 7, impurities such as dust mixed in the cold water 13 are filtered by the filter 7. When replacing the filter 7, as shown in Fig. 3 (b), the cap 5 is removed by removing the spring 5B that holds the recess 1B formed in the insertion / extraction opening 4, and the adapter 5 is removed.
By removing 6 and the filter 7 from the insertion / removal opening 4, the first valve 9 formed on the side end surface 8A of the cylinder 8 becomes a spring.
The spring force of 11 causes the second valve 10 to close the opening 14 by the spring force of the subring 12 as the packing 15A slides to the place where the packing 15A is arranged and the pressure by the tip of the rod-shaped portion 6A is removed. The first valve 9 and the second plate
The insertion / removal opening 4 is closed by 10 and.

In this case, the adapter 6 is formed by a rod-shaped portion 6A and a large-diameter portion 6B, as shown in FIG.
The rod-shaped portion 6A is attached by being inserted into the insertion hole 7A of the filter 7 as indicated by the arrow, and the large-diameter portion 6B is held by being inserted into the hold hole 5A of the cap 5.

Therefore, the cold water 13 supplied to the supply port 2 as shown by the arrow F11 passes through the circulation port 8A and the through hole 8C of the cylinder 8 as shown by the arrow F15 and is sent to the discharge port 3. Therefore, by removing the adapter 6 and the filter 7 from the insertion / removal opening 4, the insertion / removal opening 4 is automatically closed, and the cold water 13 can be prevented from spouting from the insertion / removal opening 4.

Further, in the case shown in FIG. 4A, a spring is provided in the inner chamber 21A of the pipe member 21 in which the supply port 22 for supplying the cold water 13 and the discharge port 23 for discharging the cold water 13 are formed. A valve 26 pressed by 28 and a cylindrical filter 27 held by a cap 25 locked to the insertion / removal opening 24 by interposing a backing 17B are arranged.

In this case, in order to facilitate the assembly of the spring 28 and the valve 26, a plug is provided on the opposite side of the insertion / removal opening 24.
18 is provided, and the spring 28 and the valve 26 are provided by attaching and detaching the stopper 18.
It is designed so that the assembly of can be done easily.

Therefore, as shown by arrow F21, the cold water 13 is supplied to the supply port.
The chilled water 13 is supplied to the filter 22, and the chilled water 13 causes the filter 27 to move to the
And is discharged to the discharge port 23 as indicated by arrow F23. When the filter 27 needs to be replaced due to clogging, the cap 25 is removed by removing the spring 25A that holds the recess 21B formed in the insertion / removal opening 24, as shown in FIG. 4 (b). 27 can be taken out from the insertion / removal opening 24.

The valve 26 is operated by the spring force of the spring 28 by taking out the filter 27 from the insertion / removal port 24, and the insertion / removal port 24 is closed by reaching the location where the packing 17A is provided, and the cold water 13 is discharged from the insertion / removal port 24. The cold water 13 that is supplied to the supply port 22 as indicated by F21 without being jetted passes through as indicated by arrow F24 and is discharged to the discharge port 23.

However, in this case, the diameter of the valve 26 is
Larger than 27 in diameter, and packing 17A
It is necessary to take care so that a space α that is as small as possible is formed between the location where is provided and the outer periphery of the filter 27.

With this structure, the structure is simplified as compared with FIG. 3 described above, and there is an advantage that it can be manufactured at low cost.

[0033]

As described above, according to the present invention,
By removing the filter from the insertion / removal port, the valve operates, and it is possible to prevent cold water from spouting from the insertion / removal port.

Therefore, the filter can be replaced without stopping the operation of the cooling device or without stopping the cold water supplied to the supply port by the valve or the like, and the maintenance work for replacing the filter becomes easy and practical. The effect is great.

[Brief description of drawings]

FIG. 1 is an explanatory view of the principle of the first invention.

FIG. 2 is an explanatory view of the principle of the second invention.

FIG. 3 is an explanatory diagram of an embodiment according to the first invention.

FIG. 4 is an explanatory diagram of an embodiment according to the second invention.

FIG. 5 is a conventional side sectional view.

[Explanation of symbols]

 1,21 Pipe member 2,22 Supply port 3,23 Discharge port 4,24 Insertion / extraction port 5,25 Cap 6 Adapter 7,27 Filter 8 Cylinder 9 First valve 10 Second valve 11,12,28 Spring 13 Cold water 14 Opening 1A, 21A Inner chamber 6A Rod part 8A side end face 26 Valve

Claims (2)

[Claims] 1. A pipe member (1) having an inner chamber (1A) through which cold water (13) flows from a supply port (2) to a discharge port (3), and the pipe member.
Cap (5) that is locked to the insertion / extraction opening (4) formed in (1)
And the rod-shaped part of the adapter (6) held by the cap (5)
A cylindrical filter (7) mounted on (6A) and arranged in the inner chamber (1A), and a side end face (8A) is pressed by the filter (7) to compress the spring (11). The cylinder (8) that is slid at, the first valve (9) formed on the outer periphery of the side end surface (8A), and the cylinder (8) internally provided by the tip of the rod-shaped portion (6A). A second valve (10) that opens and closes an opening (14) formed in the side end surface (8A) by compressing the spring (12) by pressing, and is supplied from the supply port (2). Cold water (13) flows out into the hollow part of the filter (7) communicating with the opening (14), and is sent to the discharge port (3) by passing through the filter (7). And the cap (5) is removed from the insertion / removal opening (4), the spring force of the springs (11, 12) causes the first and second valves to flow.
A strainer structure characterized in that (9, 10) operates and the insertion / removal opening (4) is closed. 2. A pipe member (21) having an inner chamber (21A) through which cold water (13) flows from a supply port (22) to a discharge port (23), and the pipe member.
Cap (25) locked to the insertion / removal opening (24) formed in (21)
A cylindrical filter (27) held by the cap (25) and disposed in the inner chamber (21A), and a spring (28) compressed by the side end surface of the filter (27). And a valve (26) that slides at, the cold water (13) supplied from the supply port (22) is sent to the discharge port (23) by passing through the filter (27), and the cold water (13) When the cap (25) is removed from the insertion / removal opening (24) while filtering 13), the valve (26) is operated by the spring force of the spring (28), and the insertion / removal opening (24) is Strainer structure characterized by being closed.