JP3200797U - Resin pipe surface peeling tool - Google Patents

Abstract

Disclosed is a resin pipe surface peeling tool that is small and can be efficiently peeled. A tool 1 for peeling a surface of a resin pipe 6 of a gas pipe or a water pipe, wherein a tool body 2 is formed in an annular shape so as to be detachable from an end portion of the resin pipe, The external gear 3 is rotatably mounted on the inner peripheral portion, and the skinning blade 4 is mounted so that the cutting edge portion is in contact with the resin coating portion at the resin tube end portion. On the outer side of the tool body, a ratchet 8 is detachably disposed on the external teeth of the external gear 3, and an operation handle 15 is provided so as to swing around the resin tube. By swinging the operation handle, a predetermined amount of the resin coating portion at the end of the resin tube can be easily peeled off by the skinning blade 4. [Selection] Figure 3

Description

  The present invention relates to a surface peeling tool for resin pipes of gas pipes and water pipes.

  In recent years, resin pipes whose surfaces are coated with hard resin have been used for gas pipes and water pipes, and in pipe construction, the coating resin at the ends of the resin pipes is peeled off and piped. It has been broken.

  However, in piping construction for existing gas pipes and water pipes, it was necessary to excavate construction sites buried in the ground, and to perform pipe connection construction in the deep and narrow places excavated.

  Conventionally, when performing piping work on the ground, the coating layer of the outer cladding tube can be peeled off using a lathe or a mill as disclosed in JP-A-10-109202 and JP-A-7-30245. Are known.

JP-A-10-109202 No. 7-30245

  However, these stripping pipes are peeled off using large and expensive equipment, which cannot be used in the excavated hole at the excavation site, and are exclusively constructed manually. Therefore, there is a need for a tool that is troublesome and inefficient, has a small size, and is inexpensive.

  The present invention has been made in view of the above points, and in order to solve the above problems, the present invention is a tool for peeling a surface of a resin pipe of a gas pipe or a water pipe, and is inserted into an end of the resin pipe. A tool body is formed in an annular shape so that it can be removed, and an external gear is pivotally mounted on the inner periphery of the annular tool body, and the blade edge is attached to the edge of the resin tube. The ratchet is arranged on the outer side of the tool body so that it can be engaged with and disengaged from the external teeth of the external gear, and the operation handle is provided so as to swing around the resin tube. And providing a tool for peeling the surface of the resin tube, wherein the operation handle is swung so that a predetermined amount of the resin-coated portion at the end of the resin tube is peeled off with a skinning blade. Is.

  Also, the cutting edge of the peeling blade is provided with a scooping blade with a required angle and a vertical blade perpendicular to the scribing blade, and a required inclined surface or arc surface is provided on the scooping blade surface side of this vertical blade. A tool for peeling the surface of a resin tube is provided.

  Further, the skinning blade is formed in an arc shape, the outer peripheral portion thereof is aligned with the inner peripheral surface of the annular tool body, and the inner peripheral portion is fixed to the outer peripheral surface of the resin tube in such a manner. The present invention provides a tool for peeling a surface of a resin pipe, characterized in that it is formed so as to peel off the resin coating portion at the end of the resin pipe at the blade edge portion on the inner peripheral side of the peeling blade.

  Furthermore, the surface of the resin pipe is characterized by being formed so that the stopper is fixed at a predetermined position from the end of the resin pipe to be peeled and the skin is removed until the skin blade comes into contact with the stopper. A tool is provided.

The resin pipe surface peeling tool according to the present invention has a tool body formed in an annular shape so that it can be inserted into and removed from the end of the resin pipe, and an external tooth is formed on the inner periphery of the annular tool body. A gear is mounted so that it can be swung freely, and a skin-blading blade is mounted with its cutting edge in contact with the resin coating at the end of the resin tube, and the external teeth of the external gear are mounted on the outer side of the tool body. The ratchet is detachably disposed on the operation handle, and the operation handle is provided so as to be swingable around the resin tube. The operation handle is swung, and the resin coating is applied to the end of the resin tube with a peeling blade. The tool body of the surface peeling tool is inserted into the end of the resin pipe to be installed at the gas pipe or water pipe embedment construction site, and the inner peripheral part This can be done by contacting the cutting blade with the resin coating on the surface of the end of the resin tube.
That is, when the ratchet on the outer side of the tool body is engaged with the external gear and the operation handle is swung around the resin pipe, the cutting edge of the peeling blade in contact with the surface of the resin pipe The required amount of the resin coating on the surface of the end can be peeled off. Therefore, it is possible to easily and efficiently perform the pipe connection construction work even in a narrow place excavated at the construction site.

  Further, as described in claim 2, a screed blade having a required angle is provided at a cutting edge portion of the skinning blade and a vertical blade is provided perpendicularly to the scissor blade, and a required inclined surface or arc is provided on the scooping blade surface side of the vertical blade. By providing the surface, the operation handle can be swung around the resin tube as described above, so that the resin coating surface on the surface of the resin tube can be cut with scooping blades and vertical blades. The resin coating portion at the end can be continuously peeled off in a spiral shape.

  Furthermore, as in claim 3, the skinning blade is formed in an arc shape, the outer peripheral portion thereof is aligned with the inner peripheral surface of the annular tool body, and the inner peripheral portion thereof is set to the outer peripheral surface of the resin tube. The above-mentioned skinning blade is stably attached to the tool body by fixing so as to peel off the resin-coated portion at the end of the resin tube at the inner peripheral edge of the skinning blade. The resin tube can be peeled off as described above.

  Further, as in claim 4, the stopper is fixed at a predetermined amount from the end of the resin tube to be peeled off, and the skinning blade is peeled off until it comes into contact with the stopper. Sometimes, a stopper is inserted into a predetermined position of the resin pipe that needs to be peeled, and the resin coating at the end of the resin pipe can be peeled cleanly and efficiently.

Front sectional view (a) and back sectional view (b), in which one embodiment of the present invention is partially omitted, An enlarged front view (a) and an enlarged side view (b) of the same skinning blade, The side sectional view for explanation which omitted a part of use condition same as the above.

  The resin pipe surface peeling tool of the present invention is a gas pipe or water pipe resin pipe surface peeling tool, and the tool body is formed in an annular shape so as to be detachable from the end of the resin pipe. The external gear is pivotally mounted on the inner peripheral portion of the annular tool body, and the skinning blade is mounted with its cutting edge in contact with the resin coating at the end of the resin tube. A ratchet is detachably disposed on the external tooth of the external gear on the outer side of the main body, and an operation handle is provided so as to be swingable around the resin pipe. It is characterized in that a predetermined amount of the resin coating portion at the end of the resin tube is peeled off with a peeling blade.

  As shown in FIGS. 1 (a) and 1 (b), the surface peeling tool 1 can freely turn an external gear 3 having a predetermined diameter on an inner peripheral portion of an annular tool body 2 such as an annular shape having a predetermined diameter. The cutting edge 4 of the skinning blade 4 is in contact with the resin coating at the end of the required resin tube 6 in which the surface of the iron tube is coated with hard resin. The resin-coated portion coated on the surface of the resin tube 6 can be peeled off.

  As shown in FIGS. 1 (a) and 1 (b), an operation handle mounting portion 7 is integrally projected on one side of the annular tool body 2, and a ratchet 8 is formed in a mountain shape on the inner side. The ratchet 8 is pivotally supported by the shaft portion 9, and the presser ball 11 is pressed to the peak portion 10 of the ratchet 8 via a spring 12 having a predetermined elastic force, so that one of the ratchet claws 13 of the ratchet 8 is moved to the above external teeth. The outer teeth 14 of the gear 3 are detachably contacted. Then, the ratchet 8 is engaged so that the external gear 3 can be turned in one direction, the operation handle 15 having a predetermined length is attached to the operation handle mounting portion 7, and the operation handle 15 is swung to external gear. 3 can be turned.

  Further, the skinning blade 4 is made of a required tool steel, and the skinning blade 4 is formed in an arc shape as shown in FIGS. Along the inner peripheral surface of the annular tool body 2, the inner peripheral portion thereof is fixed to the outer peripheral surface of the resin tube 6 so that the cutting edge 5 on the inner peripheral side of the skinning blade 4 can It forms so that the resin coating part of the surface of an edge part may be peeled off.

  In particular, the cutting edge 5 of the skinning blade 4 has a vertical blade 16 perpendicular to the scooping blade 17 and scooping blade 17 having a required angle of 5 to 15 degrees as shown in FIGS. 2 (a) and 2 (b). The scooping blade 17 surface side of the vertical blade 16 is a required inclined surface 18 or arc surface, and a relief 19 having a required angle of 5 to 15 degrees is provided on the back surface of the vertical blade 16 to continuously form the required spiral shape. I can peel it off. The relief 19 is preferably 3 to 15 mm long, preferably 8 to 10 mm long because it can peel the required width.

  Further, an inner ring 21 having a predetermined diameter is disposed on the inner peripheral portion of the external gear 3 via a fixing pin 20 as shown in FIGS. A loading / unloading cover 22 is attached. 23 is a stopper.

  The surface peeling tool 1 can be used for an appropriate diameter such as 25A or 32A corresponding to the required diameter of the resin pipe 6, and if necessary, an adapter or the like having a required diameter is attached. It is possible to cope with this problem and implement it as appropriate based on the gist of the present invention.

  FIG. 1 and subsequent figures show an embodiment of the present invention. As shown in FIGS. 1 (a) and 1 (b), the surface peeling tool 1 is stepped on an annular tool body 2 having a predetermined diameter so that an external gear 3 having a predetermined diameter can be swung on the inner periphery thereof. As shown in FIGS. 2 (a) and 2 (b), the resin on the surface of the end portion of the required resin pipe 6 in which a part 4 of the external gear 3 has a skinning blade 4 and a cutting edge part 5 is coated with a hard resin on an iron pipe. It is attached so as to come into contact with the covering portion, and the resin-coated resin tube 6 can be peeled off as shown in FIG.

  As shown in FIGS. 1 (a) and 1 (b), an operating handle mounting portion 7 projects from one side of the tool body 2 so that a ratchet 8 can be swung left and right in a mountain shape. The shaft 9 is pivotally supported, and the presser ball 11 is pressed onto the peak portion 10 of the ratchet 8 via a spring 12 having a predetermined elastic force so that one ratchet claw 13 of the ratchet 8 is externally connected to the external gear 3 described above. 14 is detachably contacted. An operation handle 15 having a predetermined length is attached to the operation handle mounting portion 7 so that the external gear 3 can be turned by swinging the operation handle 15.

  The skinning blade 4 is made of a required tool steel material, and the skinning blade 4 is formed in an arc shape as shown in FIGS. 2A and 2B, and the outer peripheral portion thereof is an annular tool. Along the inner peripheral surface of the main body 2, the inner peripheral portion thereof is fixed along the outer peripheral surface of the resin tube 6, and the cutting edge portion 5 is provided on the inner peripheral side of the skinning blade 4 so as to cover the surface of the resin tube 6. It is formed to peel off. The cutting edge portion 5 of the skinning blade 4 is provided with a scooping blade 17 having a 10-degree chamfer angle and a vertical blade 16 provided with a relief 19 having a length of 10 mm on the back surface perpendicular to the scooping blade 17. A required inclined surface 18 is provided on the side of the scooping blade 17.

  For example, when the resin-coated portion of the end surface portion of the resin pipe 6 of the gas pipe in which a 25 mm diameter iron pipe is coated with plastic is peeled off, the required portion of the resin pipe 6 that needs to be peeled as shown in FIG. The stopper 23 of the pipe joined to the position is fixed, and the inner ring 21 part of the surface peeling tool 1 is inserted into the end part side.

  Then, when the ratchet 8 is tilted to the skinning direction side, the ratchet pawl 13 is engaged with the external teeth 14 of the external gear 3, and the operation handle 15 is swung, the iron of the resin tube 6 as shown in FIG. The resin coating portion on the surface covering the pipe can be peeled off spirally with a thickness of 2 mm, a width of 10 mm, or the like.

  At that time, by swinging the operation handle 15 at the side of the resin tube 6, the resin coating 6 at the end of the resin tube 6 can be spirally cut by the scooping blade 17 and the vertical blade 16. The resin coating portion on the surface of the tube 6 can be continuously peeled off spirally as shown in FIG. 3 by a predetermined width, and the surface peeling efficiency can be increased.

  When the operation handle 15 is swung until the tool body 2 hits the stopper 23 at a predetermined position of the resin pipe 6 where the skin is necessary, the tool body 2 is continuously peeled off in a spiral shape, and the required end of the resin pipe 6 is removed. The resin coating can be peeled cleanly and efficiently.

  In the above description, the gas pipe has been described. The same applies to the water pipe, and the skinning blade preferably has the shape described above, but an appropriate shape can also be implemented based on the spirit of the present invention. Is. Further, the present invention is not limited to use at a narrow construction site as described above, but can be used at other necessary locations.

  The present invention can be used for stripping the surface of an end portion of a resin-coated tube such as a gas pipe or a water pipe buried in the ground.

DESCRIPTION OF SYMBOLS 1 ... Surface skinning tool 2 ... Tool body 3 ... External gear 4 ... Skinning blade 5 ... Cutting edge part 6 ... Resin pipe 8 ... Ratchet 15 ... Operation handle 16 ... Vertical blade 17 ... Scuffing blade 23 ... Stopper

Claims (4)

A tool for peeling the surface of resin pipes of gas pipes and water pipes,
A tool body is formed in an annular shape at the end of the resin tube so that it can be inserted and removed, and an external gear is pivotably mounted on the inner periphery of the annular tool body, and the blade edge of the skinning blade is made of resin. Install it in contact with the resin coating at the end of the tube,
A ratchet is arranged on the outer side of the tool body so that the ratchet can be engaged and disengaged with the external teeth of the external gear, and an operation handle is provided so as to be able to swing around the resin tube so as to swing the operation handle. A tool for peeling off the surface of a resin tube, wherein a predetermined amount of the resin-coated portion at the end of the resin tube is peeled off with a blade for peeling.   The cutting edge of the skinning blade is provided with a scooping blade having a required angle and a vertical blade perpendicular to the scribing blade, and a required inclined surface or arc surface is provided on the scooping blade surface side of the vertical blade. The tool for surface peeling of the resin pipe according to claim 1.   For skinning, the skinning blade is formed in an arc shape, its outer peripheral part is aligned with the inner peripheral surface of the annular tool body, and its inner peripheral part is fixed so as to the outer peripheral surface of the resin tube. 3. The resin pipe surface skinning tool according to claim 1 or 2, wherein the resin coating part at the end of the resin pipe is peeled off at the blade edge part on the inner peripheral side of the blade.   4. The structure according to claim 1, wherein a stopper is fixed at a predetermined amount from the end of the resin pipe to be peeled, and the skin is peeled off until it comes into contact with the stopper. Tool for surface peeling of resin pipes.

Images