JP3271941B2 - Mounting structure of strainer inserted in pipe - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various strainers, and more particularly, to a structure for mounting a strainer inserted into a pipe most suitable for a Y-type strainer.

[0002]

2. Description of the Related Art A cap of this kind has a structure in which a cap with a nut provided with a screw tube at a screw hole (screw) of an outlet is made detachable. Therefore, when removing or attaching the cap (hereinafter, in principle, the removal will be described) to remove fluid, residue (impurities), and the like (residual liquid) remaining on the strainer, Since there is no configuration for removing the fluid or the like, there is a possibility that the fluid or the like often blows out at a time when the cap is removed, and the avoidance of the danger, the scattering problem, and the like is not sufficient. On the other hand, when removing the cap, usually, the spanner is fitted over the nut and the spanner is gently turned. Therefore, in a use situation where the cap is frequently removed, or when the spanner does not fit, the head of the nut is often damaged, and in some cases, there is a problem that the cap cannot be removed.

As a proposal for improving the above problem, the applicant has
The Japanese Patent Application No. 9-245733 has submitted a Y-strainer impurity outlet cap. This invention (the application invention)
The screw cylinder provided at the outlet of the Y-shaped strainer is provided with several grooves for removing the residual liquid, residual pressure, etc. little by little, and a cap body secured to the cap body screwed into this groove is formed into a cylinder having a grip dimension. It is a configuration to do. As a result, the remaining liquid, residual pressure, etc. of the strainer can be reliably and easily eliminated to avoid scattering of the cap main body, or to secure a grip dimension on the cap main body, thereby facilitating, speeding up, and simplifying the removal of the cap. And the like.

[0004]

SUMMARY OF THE INVENTION The present invention is directed to preventing scattering of a strainer body, mounting the strainer body,
There is a feature that removal and simplification can be achieved. However, when the dimension of the strainer does not match the dimension formed between the locking portion of the pipe and the pipe-side opening end face of the cap body screwed to the outlet of the pipe, the locking portion and the strainer There is a problem that a gap is formed between the opening and the free end side (hereinafter, referred to as a locking portion), and dust flows in the gap to prevent good dust removal.

Incidentally, the conventional cap for the outlet of the strainer impurity has the same problem.

[0006]

Means for Solving the Problems The invention of claim 1 is 3 cm.
There is an advantage that a cylindrical cap body having a grip size of up to 6 cm can be securely and easily grasped and easily attached or detached. This avoids the disadvantages of the related art, i.e., in situations where the cap is often removed, in situations where the spanner does not fit, or the like, the head of the nut is damaged, and in some cases, the cap cannot be removed, and the like. In addition, the opening at the free end side of the strainer surely comes into contact with the locking portion of the pipeline, the gap at the locking portion is not formed, and the dust flowing from the gap is eliminated, and the purpose is to achieve good dust removal. I do.

[0007] The first aspect of the present invention is to leave the base end cylindrical portion,
Several grooves are provided on the outer peripheral surface of the cylinder
A screw cylinder that is screwed into the impurity outlet of the
A cap constituted by a cylindrical cap body having a grip size of 3 cm to 6 cm connected to the screw cylinder, an elastic member such as an elastic rubber or the like provided on a pipe side opening end face of the screw cylinder; An attachment structure for a strainer to be inserted into a conduit constituted by sealing means provided on a base end wall surface of a screw cylinder, wherein the cap is attached to an impurity outlet of the conduit when the strainer is attached to an opening on the attachment side of the strainer. Part is locked to the elastic member, and the outlet of the strainer is locked to the sealing means, and the cap is inserted and installed in a pipe capable of removing the cap from the impurity outlet of the pipe. Mounting structure.

[0008] The invention of claim 2 provides a strainer mounting structure suitable for a Y-type strainer.

A second aspect of the present invention is a structure for mounting a strainer in which the strainer is inserted into a pipe formed of a Y-type strainer.

The invention of claim 3 intends to facilitate the handling of the sealing means and to easily attach and detach the cap.

A third aspect of the present invention is a strainer mounting structure in which the sealing means is embedded in a base end wall surface of the screw cylinder and inserted into a pipe.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a cap is attached to a Y-strainer impurity outlet (hereinafter referred to as fitting).
In this case, since the cap body of the cap has grip dimensions, the cap body can be easily grasped by hand and attached. The strainer thus attached is attached to the pipe via an elastic member provided on the pipe-side opening end face of the screw cylinder, and the free-end-side opening of the strainer is connected to the pipe by the elasticity of the elastic member. It is securely and elastically locked to the locking portion of the road. That is, there is an effect that no gap is formed in the locking portion, and dust can be surely removed via the strainer.

On the other hand, when removing the cap, the cap body of the cap has grip dimensions, so that the cap can be easily and reliably grasped by hand, and the cap and the strainer can be removed. This removal makes it possible to remove the strainer residue easily and quickly. In addition, since a cut is formed in the screw cylinder, it is possible to remove the residual liquid, residual pressure, etc. of the pipe line little by little at the time of removal, for example, to prevent the cap from scattering and improve safety. Help. In a configuration in which the sealing means is embedded in the base end wall surface of the screw cylinder, the cap can be easily and reliably removed when removing the cap, regardless of the sealing means. After the cap is removed by this operation, the strainer (filter) is removed, and the outlet and Y
The mold strainer is cleaned.

As described above, since the cap main body has a grip size and is provided with an elastic member, the cap main body is grasped by hand so that the cap can be securely and easily attached or detached. I can do it. Also, by utilizing this easy operation, the cap and the strainer can be securely and easily attached or detached from the pipeline. Further, cleaning and replacement of the Y-type strainer and the strainer, or replacement of the cap, etc., can be performed easily and quickly.

If the cap has a hole, it is removed using a bar inserted into the hole. It is also possible to provide anti-slip means on the cap body. Further, holes and anti-slip means can be used together.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An example of the present invention will be described below.

Reference numeral 1 denotes a Y-type strainer. The Y-type strainer 1 has an inflow channel 2, an outflow channel 3, a filtration chamber 4 (including a branch channel), and an outlet 5. In some cases, valves, plates, and other members are provided in the inflow path 2 and the outflow path 3. A cap 6 is detachably provided in the outlet 5. This Y-type strainer 1 is an example, and there may be other strainer devices.

The structure of the cap 6 will be described in detail. The cap 6 is composed of a screw cylinder 61 and a cap body 62 provided on the screw cylinder 61. The screw cylinder 61 is attached to and detached from the screw 51 of the take-out port 5. Is done. The cap body 62
Has a grip dimension A. This grip dimension A is 3
cm to 10 cm, ideally 3 cm to 6 cm. The cap 6 is mainly made of a cast product, but may be made of aluminum for the purpose of weight reduction, for example. The screw cylinder 61 is provided with several grooves 7 from slightly inside the base end 61a toward the pipe-side opening end face 61b. An elastic member 63 such as a spring or elastic rubber is provided on the pipe-side opening end face 61b of the screw cylinder 61, and the strainer 11 is elastically supported in the Y-type strainer 1 using the elastic member 63. That is, this strainer 1
The first mounting-side opening 11b is attached to the elastic member 63,
By being elastically supported, the opening 11a on the free end side of the strainer 11 is flexibly locked (attached) to the locking portion 2a of the inflow path 2, and the dimension can be adjusted. Thereby, for example, it is possible to cope with the size of the dimension formed by the pipe-side opening end face 61b of the screw cylinder 61 and the locking portion 2a of the inflow path 2. Therefore, the free end side opening 11a of the strainer 11
Is securely locked to the locking portion 2a of the inflow path 2. Further, a washer 64 (an engagement means such as an O-ring or a packing) can be provided on the elastic member 63. The cap body 62 is provided with one or several holes 8. This hole 8 is not limited to a configuration that penetrates. Further, the cap body 62 is provided with anti-slip means 9.

Reference numeral 10 denotes sealing means such as an O-ring, packing, or the like, which is buried in the stepped end surface 62a of the cap body 62 (ease of handling) or provided in contact with it.

Reference numeral 11 denotes a strainer (filter). The strainer 11 is provided in the filtration chamber 4 of the Y-type strainer 1 and is fitted to a mounting portion of the cap 6.

In the drawing, reference numeral 12 denotes a flange piece.

[0022]

According to the first aspect of the present invention, the base end tubular portion is left,
Several grooves vertically extending from the base cylinder toward the free end
A screw cylinder that is screwed into the impurity outlet of the pipeline provided for
A cap composed of a cylindrical cap body having a gripping dimension of 3 cm to 6 cm connected to the screw cylinder, an elastic member such as a spring and elastic rubber provided on an end face of the screw cylinder on the conduit side, and a screw cylinder A mounting structure for a strainer to be inserted into a conduit constituted by sealing means provided on the base end wall surface of the strainer, wherein when the cap is attached to the impurity outlet of the conduit, the mounting side opening of the strainer is attached to an elastic member. Locked,
In addition to locking the strainer outlet to the sealing means, the cap can be removed from the impurity outlet of the pipeline .
This is a mounting structure for a strainer inserted into a pipeline. Therefore, there is an advantage that the cylindrical cap body having a grip size of 3 cm to 6 cm can be securely and easily grasped and easily attached or detached. Accordingly, in the conventional use, that is, in the use situation where the cap is frequently removed or the spanner does not fit, it is possible to avoid inconveniences such as damage to the head of the nut and, in some cases, the inability to remove the cap. In addition, the opening at the free end of the strainer surely comes into contact with the locking portion of the pipeline, the clearance in the locking portion is not formed, and the dust flowing from the clearance is eliminated, so that good dust can be removed.

According to a second aspect, the strainer is a Y-type strainer. Therefore, this is a strainer mounting structure suitable for a Y-type strainer.

The third aspect of the present invention is such that the sealing means is buried in the base wall surface of the screw cylinder. Therefore, the handling of the sealing means can be facilitated, and the cap can be easily attached and detached.

[Brief description of the drawings]

FIG. 1 is a sectional view showing the whole of the present invention.

FIG. 2 is an exploded perspective view showing a cap and a strainer of the example of FIG. 1;

FIG. 3 is a sectional view showing the whole of another configuration of the present invention.

FIG. 4 is an exploded perspective view showing the cap and the strainer of the example of FIG. 3;

FIG. 5 is a perspective view showing another example of a cap.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Y-type strainer 2 Inflow path 2a Engagement part 3 Outflow path 4 Filtration chamber 5 Outlet 51 Screw 6 Cap 61 Screw cylinder 61a Base end 61b Pipe side opening end face 62 Cap body 62a Stepped end face 63 Elastic member 64 Washer 7 Cut 8 Hole 9 Anti-slip means 10 Sealing means 11 Strainer 11a Free end side opening 11b Mounting side opening 12 Flange piece A Grip size

Claims (3)

(57) [Claims] (1) The base tube portion is left as it is, and
Pipes with several grooves on the outer peripheral surface
A screw tube that is screwed into the impurity outlet and connected to the screw tube;
A cap composed of a cylindrical cap body having a gripping dimension of 3 cm to 6 cm, an elastic member such as a spring and elastic rubber provided on an end face of the screw cylinder on the conduit side, and a base of the screw cylinder. An attachment structure for a strainer to be inserted into a conduit constituted by sealing means provided on an end wall surface, wherein when attaching the cap to an impurity outlet of the conduit, the attachment side opening of the strainer is elastically attached. A strainer mounting structure in which the strainer is engaged with a member and the outlet of the strainer is engaged with the sealing means, and the cap is inserted into a conduit which can be removed from the impurity outlet of the conduit. 2. The mounting structure for a strainer inserted into a pipeline according to claim 1, wherein the strainer is a Y-shaped strainer. 3. The mounting structure for a strainer inserted into a conduit according to claim 1, wherein the sealing means is embedded in a base wall surface of the screw cylinder.