JP2016097639A - Flat tire repair method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flat tire repair tool capable of quickly and easily repairing a flat tire.SOLUTION: A flat tire repair tool 1 comprises a mounting member 10 having a grip part 14 on the base end side of a cylindrical body 12, a reaming member 20 having a sharp part 24 and a pressing part 26 on the tip side and the base end side of a rod-shaped body 22 insertable into the cylindrical body 12, and a pushing-in member 30 having a rod 32 pushing in a plug body 50 inserted into the cylindrical body 12. By inserting the rod-shaped body 22 into the cylindrical body 12, the reaming member 20 is engaged with the grip part 14 at the pressing part 26 with the sharp part 24 being projected from the cylindrical body 12.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a puncture repair device and a puncture repair method for repairing a tire puncture.

  As a method for repairing a puncture hole in a pneumatic tire, Patent Document 1 discloses that a punctured portion of a punctured tubeless tire is opened to a predetermined diameter with a repair tool, and then a rubber having a predetermined length bent in the opening portion. There is disclosed a method of sealing a puncture hole by inserting a plurality of materials so that bent portions are arranged inside a tire.

  This repair method uses a repair tool in which a hook portion is formed at the cone-shaped tip, hooks a plurality of rubber bent portions onto the hook portions, and pushes them into the puncture holes of the tire, thereby folding the rubber bent portions. This is done by leaving the tire in the tire and pulling out the repair tool.

JP 2000-246809 A

  However, the above-described conventional repair method has a problem that work is likely to be difficult because the load when the rubber material is inserted into the repair tool and pushed in is large.

  Accordingly, an object of the present invention is to provide a puncture repair instrument and a puncture repair method that can repair a puncture quickly and easily.

  The object of the present invention is to provide a mounting member having a grip portion on the proximal end side of the cylindrical body, and an expansion member having a sharpened portion and a pressing portion on the distal end side and the proximal end side of the rod-shaped body that can be inserted into the cylindrical body, respectively. A hole member and a pressing member having a rod for pressing the plug inserted into the cylindrical body, and the hole expanding member is configured to insert the rod-shaped body into the cylindrical body so that the sharpened portion is This is achieved by a puncture repair device in which the pressing portion engages with the gripping portion while protruding from the cylindrical body.

  In this puncture repair device, it is preferable that the pushing member has a locking portion that is locked to the gripping portion on the proximal end side of the rod.

  Another object of the present invention is a method of repairing a tire puncture hole using the puncture repair device described above, wherein the sharpened portion of the expanded member inserted into the mounting member is inserted into the puncture hole. A step of expanding the puncture hole by pressing the pressing portion to bring the outer peripheral surface of the cylindrical body into close contact with the puncture hole, and pulling out the hole expansion member from the mounting member and inserting the plug body After that, by pushing in with the pushing member, the pushing step for projecting the plug body from the tip of the cylindrical body, and by shrinking by grasping the gripping part and pulling out the mounting member together with the pushing member from the tire It is achieved by a puncture repair method comprising a mounting step in which the stopper is closely held in a puncture hole.

  According to the present invention, it is possible to provide a puncture repair device and a puncture repair method capable of repairing a puncture quickly and easily.

It is a top view of the instrument for puncture repair which concerns on one Embodiment of this invention. It is a figure which shows the one part process of the puncture repair method using the instrument for puncture repair shown in FIG. It is a figure which shows the other one part process of the puncture repair method using the instrument for puncture repair shown in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a plan view of a puncture repair device according to an embodiment of the present invention. As shown in FIG. 1, the puncture repair device 1 includes a mounting member 10, a hole expanding member 20, and a pushing member 30, which are made of a metal material or the like.

  The mounting member 10 includes a cylindrical body 12 having a tip end surface that is an inclined surface, and a grip portion 14 that is fixed to the proximal end side of the cylindrical body 12. The outer diameter of the cylindrical body 12 is preferably slightly larger than the size of a general puncture hole generated in a tire, and is, for example, about 4 to 5 mm. The opening end surface on the proximal end side of the cylindrical body 12 penetrates the grip portion 14 and is exposed to the outside.

  The hole expanding member 20 includes a rod-shaped body 22 and a pressing portion 26 fixed to the base end side of the rod-shaped body. The rod-shaped body 22 has a sharpened tip 24 at its distal end, and can be inserted from the sharpened portion 24 side to the proximal end side of the cylindrical body 12 of the mounting member 10 as shown by a one-dot chain line in FIG. . The outer diameter of the rod-shaped body 22 is preferably substantially the same as the inner diameter of the cylindrical body 12, and is, for example, about 3 mm. The pressing part 26 abuts on the holding part 14 by inserting the rod-like body 22 into the tubular body 12, and can push the tubular body 12 together with the rod-like body 22 into a puncture hole (not shown) of the tire. The length of the rod-shaped body 22 is appropriately set so that the sharpened portion 24 protrudes from the cylindrical body 12 when the gripping portion 14 and the pressing portion 26 are in contact with each other.

  The pushing member 30 includes a rod 32 that can be inserted into the cylindrical body 12 of the mounting member 10, and a locking portion 34 that is fixed to the proximal end side of the rod 32 and locked to the gripping portion 14. The plug body 50 (see FIG. 2C) inserted into the cylindrical body 12 is pushed in from the proximal end side of the cylindrical body 12 as shown by a one-dot chain line in FIG. It can be made to protrude to the tip side of 20. The plug body 50 is an elongated member made of an elastic material such as rubber, and is formed slightly longer than the thickness of the tire so as to protrude both inside and outside the tire when inserted into the tire puncture hole. . The length of the rod 32 is that of the plug body 50 used so that the plug body 50 protrudes from the cylindrical body 12 by a predetermined length (for example, about 10 mm) when the gripping portion 14 and the locking portion 34 are in contact with each other. It is set appropriately in consideration of the length.

  Next, a method for repairing a tire puncture hole using the puncture repair device 1 having the above-described configuration will be described with reference to FIGS. 2 and 3. First, as shown in FIG. 2A, the sharpened portion 24 is indicated by an arrow 24 in the puncture hole 62 of the tire 60 with the rod-like body 22 of the hole expanding member 20 inserted into the cylindrical body 12 of the mounting member 10. And the pressing part 26 is pressed. Thereby, the rod-shaped body 22 and the cylindrical body 12 penetrate the tire 60 while expanding the puncture hole 62, and the outer peripheral surface of the cylindrical body 12 is in close contact with the inner surface of the puncture hole 62.

  Next, as shown in FIG. 2 (b), while maintaining the state in which the mounting member 10 is mounted on the tire 60, the hole expanding member 20 is pulled out from the mounting member 10 in the direction indicated by the arrow, By inserting the plug 50 from the base end side and pushing it in with the rod 32 of the pushing member 30, as shown in FIG. 2C, the locking portion 34 comes into contact with the gripping portion 14, and the distal end of the plug 50. The part protrudes from the tip of the cylindrical body 12. The plug body 50 is preferably inserted into the cylindrical body 12 after a small amount of glue, adhesive, or the like is applied to the outer peripheral surface, but application of an adhesive or the like is not essential.

  Thereafter, when the gripping portion 14 is gripped and the mounting member 10 is pulled out from the tire 60 in the direction of the arrow as shown in FIG. 3A, the puncture hole 62 that has been expanded in diameter contracts. A part of the plug body 50 protruding from the cylindrical body 12 is sandwiched by the puncture hole 62, and the plug body 50 is extracted from the moving cylindrical body 12 and held in close contact with the puncture hole 62. In this way, as shown in FIG. 3B, the plug body 50 can seal the puncture hole 62 with both ends projecting from the inside and the outside of the tire 60, and the repair is completed. It should be noted that it is preferable to appropriately cut off the portion where the plug body 50 protrudes outside the tire 60.

  The puncture repair device of the present invention is portable and can be repaired quickly and easily, and is particularly suitable for puncture repair of tubeless tires of motorcycles and bicycles such as motorcycles, but passenger cars, unicycles, etc. It can be used for all vehicles including

DESCRIPTION OF SYMBOLS 1 Puncture repair tool 10 Mounting member 12 Cylindrical body 14 Gripping part 20 Expanding member 22 Rod-like body 24 Pointed part 26 Pressing part 30 Pushing member 32 Rod 34 Locking part 50 Plug body 60 Tire 62 Puncture hole

The present invention relates to a puncture repair method for repairing a tire puncture.

Accordingly, an object of the present invention is to provide a puncture repair method that can repair punctures quickly and easily.

The object of the present invention is to provide a mounting member having a grip portion on the proximal end side of the cylindrical body, and an expansion member having a sharpened portion and a pressing portion on the distal end side and the proximal end side of the rod-shaped body that can be inserted into the cylindrical body, respectively. A hole member;
A pushing member having a rod that pushes the plug inserted into the tubular body, and the hole expanding member inserts the rod-like body into the tubular body so that the sharpened portion is removed from the tubular body. the pressing portion with the protruding state is engaged with the grip portion, the pushing member is the proximal end side of the rod, with the puncture repair device having a securing portion secured to the gripper tire The puncture hole is repaired by inserting the sharpened portion of the expanding member inserted into the mounting member into the puncture hole and pressing the pressing portion so that the pressing portion comes into contact with the gripping portion. Expanding the step of pushing the cylindrical body into the puncture hole, expanding the puncture hole to bring the outer peripheral surface of the cylindrical body into close contact with the puncture hole, and pulling out the expansion member from the mounting member to form the plug body And then push in with the push-in member A pressing step for projecting the plug body from the tip of the cylindrical body by bringing the locking portion into contact with the gripping portion; and gripping the gripping portion; This is achieved by a puncture repair method including a mounting step in which the plug body is held in close contact with the contracted puncture hole by being pulled out of the tire together with the pushing member locked to the gripping portion .

According to the present invention, it is possible to provide a puncture repair method capable of repairing a puncture quickly and easily.

Claims (3)

A mounting member having a grip portion on the proximal end side of the cylindrical body;
A hole expanding member having a sharpened portion and a pressing portion on the distal end side and the proximal end side of the rod-shaped body that can be inserted into the cylindrical body, and
A pushing member having a rod for pushing the plug inserted into the cylindrical body,
The hole expanding member is a puncture repair device in which the pressing portion engages with the grip portion in a state where the sharpened portion protrudes from the cylindrical body by inserting the rod-shaped body into the cylindrical body.   The puncture repair instrument according to claim 1, wherein the pushing member has a locking portion that is locked to the grip portion on a proximal end side of the rod. A method of repairing a tire puncture hole using the puncture repair device according to claim 1,
Expanding the outer peripheral surface of the tubular body into close contact with the puncture hole by inserting the sharpened portion of the expanded member inserted into the mounting member into the puncture hole and pressing the pressing portion to expand the puncture hole Steps,
After pushing out the hole expansion member from the mounting member and inserting the plug, the pushing step of projecting the plug from the tip of the cylindrical body by pushing with the pushing member;
A puncture repairing method comprising: a mounting step in which the plug body is held in close contact with the contracted puncture hole by gripping the grip portion and pulling out the mounting member together with the pushing member from the tire.

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