JP2002061775A - Pipe fixing lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pipe fixing lock that can fix a pipe through one action only of pushing in the pipe. SOLUTION: The pipe fixing lock comprises a sectionally cupped, thick-walled body 11 with a recessed section, and a pair of arc holding parts 12. The outer middle regions of the holding parts 12 are pivotally coupled to the inner top of the body 11 via thin-walled portions and are openable and closable. A pipe 18 is pressed in the holding parts in a top-opening state. When the pipe 18 is furthermore pressed in even after it is brought into contact with the holding part bottoms, the holding part tops are closed and the holding part bottoms are opened. By the opening of the holding part bottoms, hooked jaws 17 protruded from the outer sides of the bottoms are fitted and locked in V-shaped notches 16 formed in the bottom of the body 11, so that the pipe 18 is gripped and locked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastener used for fixing a pipe in piping work such as a gas pipe, a water pipe, a water pipe and a hot water pipe.

[0002]

2. Description of the Related Art As this type of fastener, there are provided a mounting portion which is fastened to a mounting portion by a set screw, a semicircular holding portion which is integral with the mounting portion, and a mounting portion which faces the holding portion. Or, when the pipe is fixed, the pressing section is opened, one of the pressing sections is opened, the pipe is pushed in between the pressing sections, and the other pressing section is closed to fix the pipe. After the tube is sandwiched between the holding portions, a fastener for fastening the holding portions with screws and holding the tube is generally well known.

[0003] As a fastener for fixing a tube, a stopper made of resin is also known. FIG. 1 shows an example of such a case, in which the whole is made of a hard resin, and a mounting portion 1 is fixed to a mounted portion by a set screw, and a pair of protruding portions are provided from the mounting portion 1 and an arc groove is provided inside. 2 and a grip part 3 having an upper outer side formed in an arc shape, and one grip part 3.
A substantially U-shaped pressing portion 6 having a hook-shaped claw 5 formed at the tip thereof, which is connected to a thin portion 4 so as to be opened and closed.
And a V-shaped cut 7 formed on the outside of the other gripping portion, into which the claw 5 is fitted and latched. When fixing the tube 8, as shown in FIG. 8 is pressed between the gripping portions 3 to forcibly fit, and then the pressing portion 6 is closed so that the claws 5 are fitted and locked in the cuts 7 (FIG. 2).

[0004]

In the above-mentioned conventional metal fitting, in order to fix the pipe, one of the holding parts is opened, then the pipe is pushed between the holding parts, the holding part is closed, and the pipe is fastened with screws. 1 and 2, it is necessary to push in the tube and forcibly fit it, close the holding portion, and fit the hook into the notch to lock.

An object of the present invention is to provide a stopper which can fix a pipe by one-touch operation only by pushing the pipe.

[0006]

According to the first aspect of the present invention, there is provided a main body which is entirely made of a hard resin and has a concave cross-section which is fastened to a mounting portion, an inner side which has a concave arc shape, and an outer side which is concave. A pair of grips that are rotatably connected to the inside of the upper part of the main body through thin portions, respectively, and are protruded outward at the lower part of each grip, and are opened when the upper part of the grip is closed, and the upper part of the grip is opened. It comprises a hook-shaped claw that closes when opened, and a V-shaped cut formed on the inside of the main body and fitted and locked by the claw when the claw is opened.

[0007] When fixing the tube, the tube is pushed in with the upper part of the grip portion opened. If the tube is still pushed in with the tube hitting the lower part of the grip, the lower part of the grip is opened and the upper part is closed with the thin part as a fulcrum. When the lower part is opened and the claws are fitted and locked in the cuts, the gripper grips and locks the tube from both sides.

According to a second aspect of the present invention, there is provided a main body which is entirely made of a hard resin and has a concave cross section which is fixed to a portion to be mounted, an inner side which forms a concave arc shape, and an outer side which is an upper part of the main body. A pair of grips that are rotatably connected to each other through thin portions, a hook formed on the upper part of one grip, and a hook formed integrally with the upper part of the other grip, and the hooks are fitted. It is characterized by comprising a locked portion provided with a hook-shaped locking groove for locking.

In the present invention, when fixing the pipe,
Push the tube in the same way with the upper part of the grip open. If the pipe is still pushed in with the tube hitting the lower part of the grip part, the lower part of the grip part opens with the thin part as a fulcrum and the upper part closes, and the hook part is fitted and locked in the locking groove of the locked part. .

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The fastener shown in FIGS. 3 and 4 is entirely made of hard resin and has a cup-shaped thick body 11 having a concave cross-section and an arc-shaped concave inside. A pair of grips 1
The main body 11 is formed with a mounting portion 13 having a through hole 19 through which a set screw is inserted in a lower portion so as to be fixed to a portion to be mounted with a set screw. It has the convex part 14 which does. A concave portion 15 having a cup-shaped cross section is formed in the inner bottom portion, and V-shaped cuts 16 are formed on both sides thereof.

The gripping portion 12 has an outer central portion rotatably connected to the convex portion 14 via a thin portion. The lower portion is closed when the upper portion is opened and the lower portion is opened when the upper portion is closed. It has become. A hook-like claw 17 is formed on the outside of the lower portion, and when the lower portion of the grip portion 11 is opened,
The cut 16 is fitted and locked.

When the tube 18 is fixed, the tube 18 is pushed into the holding portion with the upper portion of the holding portion opened as shown in FIG. Tube 1
When the pusher 8 is further pressed after hitting the lower portion of the grip portion, the upper portion of the grip portion is closed, and the lower portion of the grip portion is opened right and left around the thin portion connected to the convex portion 14, and the claw 17 is fitted into the cut 16. Lock. As a result, the gripper 12 is connected to the tube 1
8 is locked by grasping both sides.

The stopper shown in FIGS. 5 and 6 is made of a hard resin as a whole, and has a thick body 22 having an inverted trapezoidal concave portion 21 on the inside and a pair of arcs having a concave inside. The main body 22 is provided with a through hole 30 through which a set screw is inserted in order to fix the main body 22 to the mounted portion with a set screw.
Are formed so as to protrude left and right, and have a convex portion 25 protruding inward at the upper edge on the inner side.

The grip portion 23 has an outer substantially central portion rotatably connected to the convex portion 25 via a thin portion. The lower portion is closed when the upper portion is opened and the lower portion is opened when the upper portion is closed with the thin portion as a fulcrum. It has become. A hook portion 26 is formed on the outer side of the upper portion of the one grip portion 23, and a hook-shaped locking groove 27 is formed on the upper portion of the other grip portion, in which the hook portion 26 is fitted and locked. The part 28 is formed so as to protrude.

When fixing the tube 29, the tube 29 is pushed into the holding portion with the lower portion of the holding portion closed as shown in FIG. Tube 29
Is pressed into the lower part after hitting the lower part of the gripper.
The upper portion of the grip is closed, the lower portion of the grip is opened to the left and right, and the upper portion of the grip is closed. Lock. Then, the tube 29 is gripped and locked from both sides.

When the fixed tube 29 is removed, a tool or the like is inserted under the locked portion, the locked portion 28 is pushed up, and the locking groove 27 is removed from the hook portion 26. Then, with the thin portion as a fulcrum, the upper portion of the grip portion 23 is opened right and left, and the tube 29 is taken out.

In the present embodiment, the locked portion 28 is exposed on the main body and there is no obstacle, so that the operation of pushing up the locked portion 28 and removing the pipe is easy.

In each of the above embodiments, the main bodies 11 and 22 have attachment portions for fastening to the attached portions with set screws, but the main bodies 11 and 22 are directly attached to the attached portions with set screws. It may be fixed. In this case, therefore, a hole through which the screw is passed is formed in the main body, and no mounting portion is required.

[0019]

According to the fastener of the present invention, the pipe can be fixed by a one-touch operation just by pushing the pipe.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a conventional stopper.

FIG. 2 is a cross-sectional view showing a state when the pipe is fixed.

FIG. 3 is a cross-sectional view of a stopper according to the present invention.

FIG. 4 is a cross-sectional view showing a state where the pipe is fixed by the fastener shown in FIG. 3;

FIG. 5 is a cross-sectional view showing another example of the stopper according to the present invention.

FIG. 6 is a cross-sectional view showing a state when the pipe is fixed by the fastener shown in FIG. 5;

[Explanation of symbols]

 11, 22 ... body 12, 23 ... gripping part 13, 24 ... mounting part 14, 25 ... convex part 15, 21 ... concave part 16 ... cut 17 ... hook-shaped claw 18, 29 ... pipe 19, 30 ··· Hole through which set screw 26 ··· Hook 27 ··· Locking groove 28 ··· Locked

Claims (2)

[Claims] 1. A body made of a hard resin as a whole and having a concave cross-section fixed to a mounting portion, a concave arc shape on the inside, and a thin portion on the outside inside the upper part of the body. A pair of grips that are rotatably connected to each other via a hook, and a hook-shaped claw that protrudes outward from a lower portion or a side surface of each grip portion, opens when the upper grip portion is closed, and closes when the upper grip portion is opened. When,
A fastener for fixing a pipe, comprising a V-shaped notch formed inside the main body, the V-shaped notch engaging and locking the claw when the claw is opened. 2. A body which is entirely made of hard resin and has a concave cross section which is fixed to a mounting portion, and a concave arc shape on the inside and a thin portion on the inside of the upper part of the body on the outside. A pair of grips that are rotatably connected via a hook, a hook formed on the upper part of one grip, and a hook-shaped body integrally formed on the upper part of the other grip and the hooks are fitted and locked. A fastener for fixing a pipe, comprising a locked portion provided with a locking groove.