JP6999972B1 - Clip with filter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase the degree of freedom in arranging a filter. SOLUTION: A clip 10 is attached to a peripheral wall 91 of a pipe 90 by utilizing its own elastic deformation so as to cover an opening 92 penetrating the peripheral wall 91. The clip 10 includes a clip body 11 having a through hole 13 and a sheet-shaped filter 20 held by the clip body 11 and covering the through hole 13. [Selection diagram] Fig. 3

Description

The present invention relates to a clip with a filter.

Conventionally, a removing device for removing foreign matter contained in a fluid is known. Patent Document 1 describes a dust removing device for a refrigerant pipe (hereinafter referred to as a removing device). This removing device includes a first pipe having a pipe expansion portion at an end, a second pipe inserted into the pipe expansion portion of the first pipe and joined, and a second pipe in the pipe expansion portion of the first pipe. It is provided with a fixing portion that faces the end surface of the pipe and abuts on the inner wall of the pipe expansion portion, and a filter that is fixed to the fixing portion.

Jitsukaihei No. 3-10172

By the way, in the removal device of Patent Document 1, the arrangement position thereof is limited to the connection portion between the pipes.

A clip with a filter for achieving the above object is attached by utilizing its own elastic deformation so as to cover the opening penetrating the wall portion with respect to the wall portion constituting the flow path, and also has a through hole. The clip body is provided with a clip body, and a sheet-shaped filter held by the clip body and covering the through hole.

According to the same configuration, the clip main body is attached by elastically deforming the clip main body so as to cover the opening penetrating the wall portion with respect to the wall portion constituting the flow path. The through hole of the clip body is covered with a filter. Therefore, foreign matter contained in the fluid flowing inside and outside the wall through the opening can be removed by the filter. This makes it possible to provide a filter for a portion other than the connection portion between the wall portions such as the connection portion between the pipes. Therefore, the degree of freedom in arranging the filter can be increased.

In the clip with a filter, it is preferable that the clip body is made of a plate material and is curved in a C-shaped cross section, and the through hole penetrates the clip body in the thickness direction.

According to the same configuration, the clip main body is fitted and attached to the outer peripheral surface of the peripheral wall of the pipe as a wall portion. As a result, foreign matter contained in the fluid flowing out of the pipe from the inside of the pipe through the opening penetrating the peripheral wall can be removed by the filter. Here, the outer shape of the clip body is along the outer peripheral surface of the peripheral wall in a state where the clip body is attached to the peripheral wall of the pipe. Therefore, it is possible to suppress an increase in the physique of the pipe due to the attachment of the clip body.

In the clip with a filter, the filter is made of a metal mesh and has a filtration portion covering the through hole and an edge portion provided on the entire peripheral edge of the filtration portion, and the edge portion is the edge portion. It is preferable that the metal mesh has a thickness larger than that of the filtered portion by folding and crushing the metal mesh.

According to the same configuration, the edge of the filter is sandwiched between the clip main body and the peripheral wall of the pipe in a compressed state, so that the space between the clip main body and the peripheral wall of the pipe is sealed. This eliminates the need for a separate sealing member that seals between the clip body and the peripheral wall of the pipe. Therefore, it is possible to suppress an increase in the number of parts of the clip with a filter. Further, by folding and crushing the metal mesh, an edge portion having a thickness larger than that of the filtration portion can be easily formed.

In the clip with a filter, when the inside and the outside in the thickness direction of the clip body are the inside and the outside, the edge portion protrudes inward from the filtration portion, and is recessed by the edge portion and the filtration portion. Is formed.

According to the same configuration, foreign matter removed by the filtering portion of the filter can be accommodated in the recess.
In the clip with a filter, when the inside and the outside in the thickness direction of the clip body are the inside and the outside, the filter is provided on the inner surface of the clip body.

According to the same configuration, the filter is sandwiched between the clip body and the peripheral wall of the pipe. Therefore, the pressure acting on the filter from the fluid flowing out from the inside of the pipe to the outside of the pipe through the opening penetrating the peripheral wall is dispersed in the clip body. This makes it easy to configure the clip body to hold the filter.

In the clip with a filter, the filter is made of a metal mesh and has a filter portion that covers the through hole and an edge portion provided on the peripheral edge of the filter portion, and the edge portion is the filter. It has a first protrusion and a second protrusion that project toward opposite sides along the main surface of the metal, and both the first protrusion and the second protrusion are made of the metal. It is formed by folding and crushing the mesh, and the clip body has a first insertion hole and a second insertion hole through which the first protrusion and the second protrusion are inserted, respectively. Is provided.

According to the same configuration, the first protrusion and the second protrusion provided at the edge of the filter are inserted into the first insertion hole and the second insertion hole provided in the clip body, respectively. Therefore, it is possible to prevent the filter from being displaced with respect to the clip body in the direction along the main surface of the filter. Further, since both the first protrusion and the second protrusion are formed by folding and crushing the metal mesh, the rigidity of both the first protrusion and the second protrusion can be easily increased. Can be enhanced to. As a result, it is possible to prevent the first protrusion or the second protrusion from being deformed.

According to the present invention, the degree of freedom in arranging the filter can be increased.

A perspective view showing a clip attached to a pipe for one embodiment of a clip with a filter. Sectional drawing which shows the clip in the state attached to a pipe. An exploded perspective view showing the piping and the clip of the same embodiment separated from each other. The perspective view which shows the clip of the same embodiment. An exploded perspective view showing the clip body and the filter of the same embodiment separated from each other. The perspective view which shows the clip of the modification example.

Hereinafter, a clip with a filter of one embodiment will be described with reference to FIGS. 1 to 5.
As shown in FIGS. 1 to 3, the clip with a filter (hereinafter, clip 10) of the present embodiment penetrates the peripheral wall 91 with respect to the peripheral wall 91 of the pipe 90 constituting the flow path through which a fluid such as a liquid flows. It is attached by utilizing its own elastic deformation so as to cover the opening 92.

<Piping 90>
First, the pipe 90 will be described.
As shown in FIGS. 1 to 3, the pipe 90 has a cylindrical shape. The opening 92 has a rectangular shape in front view that is long with respect to the axial direction of the pipe 90.

<Clip 10>
Next, the clip 10 will be described.
As shown in FIGS. 1 to 5, the clip 10 includes a clip main body 11 having a through hole 13 and a sheet-shaped filter 20 held by the clip main body 11 and covering the through hole 13.

<Clip body 11>
The clip main body 11 is made of a metal plate, extends along the axial direction of the pipe 90, and is curved in a C-shaped cross section.

Hereinafter, the extending direction of the clip main body 11, that is, the axial direction of the pipe 90 will be described simply as the axial direction A. Further, the circumferential direction of the clip main body 11, that is, the circumferential direction of the pipe 90 will be described simply as the circumferential direction C. Further, the radial direction of the clip main body 11, that is, the radial direction of the pipe 90 will be described simply as the radial direction R. Further, the inside and outside of the clip body 11 in the thickness direction, that is, the inside and outside of the radial direction R will be described simply as the inside and outside.

As shown in FIG. 2, the clip main body 11 has an outer bent portion 11b connected to both sides of the arc portion 11a and the circumferential direction C of the arc portion 11a, and an inner bent portion connected to both sides of the outer bent portion 11b in the circumferential direction C, respectively. The guide portions 11d are provided on both sides of the circumferential direction C of the 11c and the inner bending portion 11c, respectively.

The arc portion 11a has an arc shape in cross section along the outer peripheral surface of the peripheral wall 91 of the pipe 90. The arc portion 11a extends outward from both edges of the opening 92 in the circumferential direction C.
The outer bent portion 11b is bent so as to project outward in the radial direction R. A gap is formed between the outer bent portion 11b and the peripheral wall 91 of the pipe 90.

The inner bent portion 11c is bent so as to project inward in the radial direction R. The inner bent portion 11c is in pressure contact with the peripheral wall 91 of the pipe 90.
The guide portion 11d constitutes an end portion of the clip main body 11 in the circumferential direction C. The distance between the guide portions 11d is larger toward the tip side (lower side in the figure).

As shown in FIGS. 1 to 5, a through hole 13 is formed in the arc portion 11a. The through hole 13 penetrates the clip main body 11 in the thickness direction thereof. The through hole 13 has a rectangular shape in front view that is long with respect to the axial direction A. That is, the long side and the short side of the through hole 13 extend along the axial direction A and the circumferential direction C, respectively. The external dimension of the through hole 13 is slightly larger than the external dimension of the opening 92 of the pipe 90.

As shown in FIG. 5, one first insertion hole 14 is formed in one outer bent portion 11b. Two second insertion holes 15 are formed in the other outer bent portion 11b.
The first insertion hole 14 is provided at the center of the outer bent portion 11b in the axial direction A.

The two second insertion holes 15 are provided at intervals in the axial direction A so as to sandwich the central portion of the outer bent portion 11b in the axial direction A.
Both the first insertion hole 14 and the second insertion hole 15 have a rectangular shape in front view that is long with respect to the axial direction A. The long and short sides of the insertion holes 14 and 15 extend along the axial direction A and the circumferential direction C, respectively.

<Filter 20>
As shown in FIGS. 2 and 5, the filter 20 is made of a metal mesh and has a filtration unit 21 that covers the through hole 13 and an edge portion 22 provided on the entire peripheral edge of the filtration unit 21. The metal mesh of the present embodiment is, for example, a woven fabric of fine metal wires.

The filtration unit 21 has a rectangular shape in a plan view that is long with respect to the axial direction A. The external dimension of the filtration unit 21 is slightly larger than the external dimension of the through hole 13 of the clip main body 11.
The edge portion 22 has a rectangular frame shape in a plan view that is long with respect to the axial direction A. The edge portion 22 is formed by folding and crushing the metal mesh, and has a thickness larger than that of the filtration portion 21. The edge portion 22 projects inward from the filtration portion 21. The recess 23 is formed by the edge portion 22 and the filtration portion 21.

As shown in FIGS. 5 and 6, the edge portion 22 has one first protrusion 24 and two second protrusions 25 protruding toward opposite sides along the main surface 20a of the filter 20. Have. Both the first protrusion 24 and the second protrusion 25 are formed by folding and crushing the metal mesh.

The first protrusion 24 is provided on one long side of the edge 22.
The two second protrusions 25 are provided on the other long side of the edge 22.
The first protrusion 24 is provided at the center of the long side in the axial direction A.

The two second protrusions 25 are provided at intervals in the axial direction A so as to sandwich the central portion of the long side in the axial direction A.
The filter 20 is provided along the inner surface of the clip body 11 with respect to the inner surface of the clip body 11.

The thickness of the edge portion 22 is set to such a size that the edge portion 22 is pressed against the peripheral wall 91 by the clip main body 11 when the clip 10 is attached to the peripheral wall 91 of the pipe 90. The thickness of the edge portion 22 including the protrusions 24 and 25 is set to, for example, 3 to 5 times the thickness of the filtration portion 21.

As shown in FIGS. 3 and 4, the first protrusion 24 of the filter 20 is inserted into the first insertion hole 14 of the clip body 11.
The two second protrusions 25 of the filter 20 are inserted into the two second insertion holes 15 of the clip body 11, respectively.

Here, the two second protrusions 25 are located in the second insertion hole 15 toward the center of the clip main body 11 in the axial direction A, respectively. Further, the first protrusion 24 is located at the center of the axial direction A in the first insertion hole 14. As a result, the displacement of the filter 20 with respect to the clip body 11 is restricted in both the axial direction A and the circumferential direction C.

In the pipe 90 to which the clip 10 is attached, a part of the liquid flowing in the pipe 90 flows to the outside through the opening 92 and the filter 20. At this time, the foreign matter contained in the liquid is captured by the filter 20 and removed from the liquid. Further, the captured foreign matter is housed in the recess 23.

Next, the operation of this embodiment will be described.
By elastically deforming the clip body 11 so as to cover the opening 92 penetrating the peripheral wall 91 with respect to the peripheral wall 91 of the pipe 90, the clip body 11 is externally fitted and attached to the outer peripheral surface of the peripheral wall 91. The through hole 13 of the clip body 11 is covered with the filter 20. Thereby, the foreign matter contained in the liquid flowing out from the inside of the pipe 90 to the outside of the pipe 90 through the opening 92 penetrating the peripheral wall 91 can be removed by the filter 20 (the above, the action 1).

Here, the outer shape of the clip main body 11 is along the outer peripheral surface of the peripheral wall 91 in a state where the clip main body 11 is attached to the peripheral wall 91 of the pipe 90 (the above is the action 2).
Further, the edge 22 of the filter 20 is sandwiched between the clip main body 11 and the peripheral wall 91 of the pipe 90 in a compressed state, so that the space between the clip main body 11 and the peripheral wall 91 of the pipe 90 is sealed. (The above is the action 3).

Next, the effect of this embodiment will be described.
(1) The clip 10 is attached to the peripheral wall 91 of the pipe 90 by utilizing its own elastic deformation so as to cover the opening 92 penetrating the peripheral wall 91. The clip 10 includes a clip body 11 having a through hole 13 and a sheet-shaped filter 20 held by the clip body 11 and covering the through hole 13.

According to such a configuration, the filter 20 can be provided for a portion other than the connection portion between the pipes in order to perform the above-mentioned operation 1. Therefore, the degree of freedom in arranging the filter 20 can be increased.

(2) The clip main body 11 is made of a plate material and is curved in a C-shaped cross section. The through hole 13 penetrates the clip main body 11 in the thickness direction thereof.
According to such a configuration, since the above-mentioned action 2 is performed, it is possible to suppress an increase in the physique of the pipe 90 due to the attachment of the clip main body 11.

(3) The filter 20 is made of a metal mesh and has a filtration portion 21 that covers the through hole 13 and an edge portion 22 provided on the entire peripheral edge of the filtration portion 21. The edge portion 22 has a thickness larger than that of the filtration portion 21 by folding and crushing the metal mesh.

According to such a configuration, the above-mentioned action 3 is exhibited. This eliminates the need for a separate sealing member that seals between the clip body 11 and the peripheral wall 91 of the pipe 90. Therefore, it is possible to suppress an increase in the number of parts of the clip 10. Further, by folding and crushing the metal mesh, the edge portion 22 having a thickness larger than that of the filtration portion 21 can be easily formed.

(4) The edge portion 22 protrudes inward from the filtration portion 21. The recess 23 is formed by the edge portion 22 and the filtration portion 21.
According to such a configuration, foreign matter removed by the filtration unit 21 of the filter 20 can be accommodated in the recess 23.

(5) The filter 20 is provided on the inner surface of the clip main body 11.
According to such a configuration, the filter 20 is sandwiched between the clip main body 11 and the peripheral wall 91 of the pipe 90. Therefore, the pressure acting on the filter 20 from the fluid flowing out from the inside of the pipe 90 to the outside of the pipe 90 through the opening 92 penetrating the peripheral wall 91 is dispersed in the clip main body 11. This makes it possible to easily configure the clip body 11 to hold the filter 20.

(6) The edge portion 22 has a first protrusion 24 and a second protrusion 25 that project toward opposite sides along the main surface 20a of the filter 20. Both the first protrusion 24 and the second protrusion 25 are formed by folding and crushing the metal mesh. The clip main body 11 is provided with a first insertion hole 14 and a second insertion hole 15 through which the first protrusion 24 and the second protrusion 25 are inserted, respectively.

According to such a configuration, the first protrusion 24 and the second protrusion 25 provided on the edge portion 22 of the filter 20 have the first insertion hole 14 and the second insertion hole provided in the clip main body 11. By inserting each of the 15s, it is possible to prevent the filter 20 from being displaced with respect to the clip main body 11 in the directions along the main surface 20a of the filter 20 (axis direction A and circumferential direction C). Further, since both the first protrusion 24 and the second protrusion 25 are formed by folding and crushing the metal mesh, both the first protrusion 24 and the second protrusion 25 are formed. Rigidity can be easily increased. As a result, it is possible to prevent the first protrusion 24 or the second protrusion 25 from being deformed.

(7) The edge portion 22 of the filter 20 is formed by folding and crushing the metal mesh.
According to such a configuration, fraying of the edge 22 of the filter 20 can be suppressed.

(8) The filter 20 is detachably attached to the clip main body 11.
With such a configuration, the filter 20 can be easily replaced.
<Change example>
This embodiment can be modified and implemented as follows. The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

The metal mesh constituting the filter 20 is not limited to the woven fabric, and may be a knitted fabric or a porous body such as a punching metal.
The edge 22 of the filter 20 is not limited to the one formed by folding a metal mesh. For example, the edge portion 22 may be formed by crushing a plurality of laminated metal meshes having a rectangular frame shape.

The filtration unit 21 may be composed of a plurality of laminated metal meshes.
The edge 22 of the filter 20 may be fixed to the inner surface of the clip body 11 by welding, brazing, or the like. In this case, the first protrusion 24 and the second protrusion 25 of the filter 20 can be omitted. Further, the first insertion hole 14 and the second insertion hole 15 of the clip main body 11 can be omitted.

-The filter 120 may be provided on the outer surface of the clip body 11 as in the clip 110 shown in FIG. In this case, the edge portion 122 of the filter 120 may be fixed to the outer surface of the clip body 11 by welding, brazing, or the like so that the filtration portion 121 of the filter 120 covers the through hole 13. Alternatively, as in the above embodiment, the filter 20 is attached to the clip body 11 by inserting the protrusions 24, 25 provided on the edge portion 22 of the filter 20 into the insertion holes 14, 15 of the clip body 11. You can also do it.

The recess 23 of the filter 20 can be omitted. That is, the thickness of the edge portion 22 of the filter 20 can be made the same as the thickness of the filtration portion 21.
A separate sealing member may be provided to seal between the clip body 11 and the peripheral wall of the pipe 90.

The clip body 11 is not limited to the one made of a metal plate material. For example, the clip main body 11 may be made of a resin plate material.
The filter 20 is not limited to the one made of a metal mesh. For example, the filter 20 may be made of a resin mesh.

In the above embodiment, a configuration in which a part of the liquid flowing in the pipe 90 flows to the outside through the opening 92 and the filter 20 is exemplified, but the flow direction of the liquid is not limited to this. For example, the liquid may flow into the pipe 90 from the outside of the pipe 90 through the filter 20 and the opening 92.

The clip is not limited to the one attached to the peripheral wall 91 of the pipe 90. For example, the clip body may be attached to the flat plate-shaped wall portion so as to cover the opening penetrating the wall portion. In this case, the pair of engaging pieces of the clip body may be fitted into the opening by utilizing its own elastic deformation.

10, 110 ... Clip 11 ... Clip body 11a ... Arc part 11b ... Outer bending part 11c ... Inner bending part 11d ... Guide part 13 ... Through hole 14 ... First insertion hole 15 ... Second insertion hole 20, 120 ... Filter 20a ... Main surface 21,121 ... Filtration part 22,122 ... Edge part 23 ... Recessed part 24 ... First protrusion 25 ... Second protrusion 90 ... Piping 91 ... Peripheral wall (wall part)
92 ... Opening

Claims (6)

A clip body that is attached by utilizing its own elastic deformation and has a through hole so as to cover the opening that penetrates the wall with respect to the wall that constitutes the flow path.
A sheet-like filter that is held by the clip body and covers the through hole.
Clip with filter. The clip body is made of a plate material and is curved in a C-shaped cross section.
The through hole penetrates the clip body in the thickness direction thereof.
The clip with a filter according to claim 1. The filter is made of a metal mesh and has a filtration portion that covers the through hole and an edge portion provided on the entire peripheral edge of the filtration portion.
The edge portion has a thickness larger than that of the filtration portion by folding and crushing the metal mesh.
The clip with a filter according to claim 2. When the inside and outside of the clip body in the thickness direction are the inside and outside,
The edge portion protrudes inward from the filtration portion, and the edge portion protrudes inward.
A recess is formed by the edge portion and the filtration portion.
The clip with a filter according to claim 3. When the inside and outside of the clip body in the thickness direction are the inside and outside,
The filter is provided on the inner surface of the clip body.
The clip with a filter according to any one of claims 2 to 4. The filter is made of a metal mesh and has a filtration portion that covers the through hole and an edge portion provided on the peripheral edge of the filtration portion.
The edge portion has a first protrusion and a second protrusion that project toward opposite sides along the main surface of the filter.
Both the first protrusion and the second protrusion are formed by folding and crushing the metal mesh.
The clip body is provided with a first insertion hole and a second insertion hole through which the first protrusion and the second protrusion are inserted, respectively.
The clip with a filter according to any one of claims 1 to 5.

Images