JP3063505U - Tree protector unit - Google Patents

Abstract

(57) [Problem] To provide a tree protector unit which has a simple structure, can reduce manufacturing cost, and can improve work efficiency at the time of installation. SOLUTION: A glue margin 3 is provided along one long side of a tree protector 1 which is expanded in a rectangular shape. Glue allowance 3
Is attached to the other long side portion to produce a cylindrical tree protector 1. A fold line 2 is formed on a center line parallel to the long side of the tree protector 1 in the expanded state. A ridge is provided along the inner peripheral surface of the tree protector support 4 for stably supporting the cylindrical tree protector 1, and the support body 4a of the tree protector support 4 is inserted into the tree protector 1 from below. When inserted, the ridge is engaged with the hole on the outer peripheral surface of the tree protector 1.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention aims to promote the growth of saplings such as cypress and cedar, and planting trees in forest land, and to prevent seedlings from being eaten by animals such as deer and rabbits. The present invention relates to a tree protector unit to be used by being covered with a tree protector.

[0002]

[Prior art]

 Conventionally, when planting saplings, etc., animals such as deers eat new shoots, leaves, stems, etc. There was a problem that 30% to 90% of the withers died.

Recently, in order to solve such a problem, various tree protectors used to surround a seedling or the like have been developed and put into practical use.

[0004] As this kind of tree protector, for example, one disclosed in Japanese Utility Model Registration No. 3009585 is known. As shown in FIGS. 7 and 8, the tree protector disclosed in this publication converts a transparent or translucent resin sheet into a tubular body having an even-numbered rectangular cross section of four or more square sections. A folded piece 14 having a locking piece 15 at each side of at least one opening edge is provided, and the folded piece 14 is folded inward so that the locking piece 15 is locked in a notch 16 formed on a side surface. That is According to the tree protector having such a configuration, at the time of use, the folded piece 14 is folded inward as a polygonal cross section, and the locking piece 15 is locked in the notch 16, thereby preventing abrasion of the trunk and ensuring correctness. It may have a double structure to keep the corners. By covering the seedlings and the like from above, it is possible to prevent animal damage, and to maintain appropriate temperature and humidity to obtain appropriate growth conditions. No damage will occur. In addition, in order to stabilize the tree protector over the seedling or the like, a string 18 or the like is wound over the tree protector and the splint 17.

[0005]

[Problems to be solved by the invention]

 However, in the above-mentioned conventional tree protector, since the opening edge needs to have a double structure, there is a problem that the structure is complicated and the manufacturing cost is increased. In addition, in order to stabilize the tree protector, it is necessary to wind a string or the like over the tree protector and the splint, so that there is a problem that work efficiency when installing the tree protector is poor.

The present invention has been made to solve the above-mentioned problems in the prior art, and has a simple structure, can reduce the manufacturing cost, and improve the working efficiency at the time of installation. The purpose of the present invention is to provide a tree protector unit capable of performing the following operations.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, a tree protector unit according to the present invention includes a tree protector formed by bonding opposing sides of a semi-transparent resin sheet, a ring-shaped support body, and the support body. A tree protector support comprising an attachment piece provided on an outer peripheral surface of the body main body; an engaging portion provided on an inner peripheral surface of the support body of the tree protector support; The engaged portion provided on the outer peripheral surface positions the tree protector support at a predetermined position in the longitudinal direction of the tree protector. According to the configuration of the tree protector unit, a tree protector having a simple structure and which can be easily manufactured is obtained, so that the manufacturing cost can be reduced as compared with the conventional tree protector. In addition, the tree protector is placed on top of the planted seedlings, etc. from above, and the tree protector is attached around the seedlings, etc., with a simple operation of attaching the attachment piece of the tree protector support and the splint with a string. Because it can be supported, the work efficiency when installing the tree protector is improved. Further, the tree protector support is formed in the longitudinal direction of the tree protector by the engaging portion provided on the inner peripheral surface of the support body of the tree protector support and the engaged portion provided on the outer peripheral surface of the tree protector. By arranging the tree protector at a predetermined position, the tree protector support can be mounted at the same position no matter who works, thereby further improving work efficiency.

[0008] In the configuration of the tree protector unit of the present invention, the protrusion provided along the inner peripheral surface of the support body of the tree protector support may be provided on the outer peripheral surface of the tree protector. It is preferable that the tree protector support is positioned at a predetermined position in the longitudinal direction of the tree protector by engaging with the hole. According to this preferred example, the tree protector support can be positioned at a predetermined position in the longitudinal direction of the tree protector with a simple configuration. In this case, it is preferable that the engagement holes for positioning one tree protector support are provided at two positions shifted by approximately 180 ° or at four positions shifted by approximately 90 °.

[0009] In the configuration of the tree protector unit of the present invention, it is preferable that the tree protector unit further includes a ring-shaped shape stabilizing member attached to an upper end of the tree protector. According to this preferred example, when the tree protector is assembled in a cylindrical shape, it can be stably held in a cylindrical shape. Also, if polyethylene or polypropylene is used as the material of the shape stabilizing member, the shape stabilizing member can prevent the seedlings or the like from coming into contact with the upper opening edge of the tree protector at an acute angle. Even if the branches sway and touch the opening edge of the tree protector, the seedlings will not be damaged. Further, in this case, a groove into which the upper end of the tree protector is inserted is formed on the lower surface of the shape stabilizing member, and the locking portion provided on the shape stabilizing member is provided on the tree protector. It is preferable to lock the locked portion. According to this preferred example, when the upper end of the assembled tree protector is inserted into the groove on the lower surface of the shape stabilizing member, the locking portion provided on the shape stabilizing member is locked by the locked portion provided on the tree protector. Since it can be locked to the part, the shape stabilizing member once attached does not easily come off the upper end of the tree protector. In this case, furthermore, a projection is provided on the inner wall of the groove of the shape stabilizing member so as to project downward, and a projection is formed on the projection toward the outside in the radial direction of the shape stabilizing member. It is preferable that a locking hole is provided and the tree protector is provided with a locking hole for locking the protrusion. According to this preferred example, it is possible to prevent the shape stabilizing member from coming off with a simple configuration. Further, in this case, it is preferable that the projections and the locking holes are provided at two positions shifted by approximately 180 °, three positions shifted by approximately 120 °, or four positions shifted by approximately 90 °. In this case, the material of the shape stabilizing member is preferably polyethylene, acrylonitrile / butadiene / styrene, polypropylene, or polycarbonate. It is preferable to use high-density polyethylene as the polyethylene.

[0010] In the configuration of the tree protector unit of the present invention, it is preferable that an insertion hole is formed in the mounting piece. According to this preferred example, a string or the like can be inserted into the insertion hole and connected to the splint.

In the configuration of the tree protector unit according to the present invention, it is preferable that a fold is formed on a center line parallel to a side to which the resin sheet is bonded. According to this preferred example, the tree protector can be folded along the fold, and the plurality of tree protectors can be transported in a stacked state.

In the configuration of the tree protector unit of the present invention, it is preferable that the material of the resin sheet is polypropylene or polyethylene.

[0013] In the configuration of the tree protector unit of the present invention, the material of the tree protector support is preferably polyethylene, acrylonitrile butadiene styrene, polypropylene or polycarbonate. It is preferable to use high-density polyethylene as the polyethylene.

[0014]

[Embodiment of the invention]

 Hereinafter, the present invention will be described more specifically with reference to embodiments.

FIG. 1 is a development view showing the tree protector according to the present invention, FIG. 2 is a perspective view showing a state where the tree protector is assembled in a tubular shape, and FIG. 3 is a perspective view showing a state where the tree protector is folded. 4 (a) and 4 (b) are perspective views showing a cap used to stabilize the shape of the tree protector when it is assembled into a cylindrical shape, and FIG. 5 is used when installing the tree protector. FIG. 3 is a perspective view showing a fixing device.

As shown in FIG. 1, the tree protector 1 according to the present embodiment is manufactured using a translucent resin sheet, and has a rectangular shape when expanded. In the expanded state of the tree protector 1, a glue margin 3 is provided along one long side of the tree protector 1. By pasting the glue margin 3 to the other long side portion, as shown in FIG. A tree-shaped tree protector 1 can be manufactured.

As a method of attaching the paste allowance 3 to the other long side portion, there is a method of using high frequency heat fusion (high frequency fusion) or a method of using an adhesive.

Examples of the material of the tree protector 1 include PP (polypropylene) and PE (polyethylene).

The expanded dimensions of the tree protector 1 are, for example, 1400 mm on the long side, 360 mm on the short side, 0.7 mm in thickness, and 15 mm in width of the glue allowance 3.

As described above, since the tree protector 1 in the present embodiment has a simple structure and can be easily manufactured, the manufacturing cost can be reduced as compared with the conventional tree protector. .

As shown in FIG. 1, the tree protector 1 in an expanded state has a fold line 2 formed on a center line parallel to a long side thereof. As a result, as shown in FIG. 3, the cylindrical tree protector 1 can be folded along the fold line 2, and the plurality of tree protectors 1 can be transported in a stacked state.

In the tree protector 1 in the expanded state, two holes 11a are formed at three equally-spaced portions in the long side direction. The two holes 11a are respectively formed on the base end of the glue allowance 3 and on the fold line 2. When the tree protector 1 is assembled in a cylindrical shape, the two holes 11a face each other. (See FIG. 2). A semicircular notch 11b is provided on the other long side of the tree protector 1 on the side where the margin 3 is not provided. As a result, when the glue allowance 3 is attached to the other long side portion and the tree protector 1 is assembled in a cylindrical shape, the hole 11a formed on the base end of the glue allowance 3 is closed. Never.

Further, the tree protector 1 in the unfolded state has four holes 12 formed at the upper end thereof. The four holes 12 are formed two by two with the crease 2 interposed therebetween. When the tree protector 1 is assembled in a cylindrical shape, the four holes 12 are arranged in a state shifted by 90 °. (See FIG. 2). The role played by the holes 11a and 12 will be described later.

By the way, when assembling the tree protector 1 into a tubular shape, the tree protector 1 can be bent at the base end of the glue allowance 3 and the fold 2 to keep the tree protector 1 stable in a cylindrical shape. Can not. Therefore, in the present embodiment, a ring-shaped shape stabilizing member 9 as shown in FIG. 4 is attached to the upper end of the assembled tree protector 1. As shown in FIG. 4, a groove 10a is formed on the lower surface of the ring-shaped shape stabilizing member main body 10, and the upper end of the assembled tree protector 1 can be inserted into the groove 10a. It has been like that. Further, on the inner wall of the groove 10a, there are provided projecting portions 10b projecting downward at four positions shifted by 90 °. At the lower end of the protruding portion 10b, a projection 10c is provided radially outward of the shape stabilizing member main body 10. Thereby, when the upper end of the assembled tree protector 1 is inserted into the groove 10a on the lower surface of the shape stabilizing member main body 10, the projection 10c can be locked in the hole 12 in the upper end portion of the tree protector 1. Therefore, the shape stabilizing member 9 once attached does not easily come off from the upper end of the tree protector 1.

As shown in FIG. 5, the tree protector support 4 for stably supporting the cylindrical tree protector 1 around a seedling or the like includes a ring-shaped support body 4a and a support body 4a. And a square mounting piece 4b provided on the outer peripheral surface of the support body 4a. The support body 4a and the mounting piece 4b are integrally formed. Here, an insertion hole 5 is formed in the mounting piece 4b. Since the tree protector support 4 is configured as described above, as shown in FIG. 6, the support body 4a of the tree protector support 4 is inserted into the tree protector 1 from below, and the splint 7 is driven into the ground. The tree protector 1 can be stably supported around a seedling or the like by tying the string 8 inserted into the insertion hole 5 formed in the attachment piece 4b of the tree protector support 4 at the same time.

The support body 4 a of the tree protector support 4 is provided with a ridge 13 along its inner peripheral surface. Thus, when the support body 4a of the tree protector support 4 is inserted into the tree protector 1 from below, the ridge 13 can be engaged with the hole 11a on the outer peripheral surface of the tree protector 1. . Here, since two holes 11a are formed at three positions where the tree protector 1 is equally divided in the longitudinal direction, the tree protector support 4 can be surely positioned at the position of the tree protector 1. Therefore, no matter who works, the tree protector support 4 can be attached at the same position, so that the working efficiency can be improved.

Although the tree protector 1 can be kept cylindrical by the tree protector support 4, the tree protector 1 can be made cylindrical by attaching a shape stabilizing member 9 to the upper end of the assembled tree protector 1. , The attachment of the tree protector support 4 is facilitated.

As the material of the shape stabilizing member 9 and the tree protector support 4, a material having high rigidity to some extent is preferable, and preferable materials are PE (polyethylene), ABS (acrylonitrile butadiene styrene), PP ( Polypropylene), polycarbonate and the like. It is preferable to use HDPE (high-density polyethylene) as the polyethylene. The material of the tree protector support 4 is not necessarily limited to a resin material, but may be any material having sufficient rigidity to stably support the tree protector 1 around a seedling or the like.

The specific size of the shape stabilizing member 9 is, for example, the inner diameter of the shape stabilizing member main body 10 is 112 mm, the outer diameter is 123 mm, the thickness is 5 mm, the width of the groove 10 a is 1 mm, the depth is 5 mm, and the protrusion is The protrusion length of 10b is 5 mm, the width is 6 mm, and the height of protrusion 10c is 1. 1 mm.

The specific dimensions of the tree protector support 4 include, for example, an inner diameter of the support body 4 a of 118 mm, an outer diameter of 124 mm, a thickness of 3 mm, a width of 10 mm, a width of the ridge 13 of 3 mm, and a height of 3 mm. The length of one side of the mounting piece 4b is 15 mm, the thickness is 3 mm, and the diameter of the insertion hole 5 is 7 mm.

Next, a description will be given of a method of using the tree protector unit including the tree protector, the shape stabilizing member, and the tree protector support having the above-described configuration.

First, the expanded tree protector 1 shown in FIG. 1 is folded along a fold line 2, and a glue allowance 3 provided along one long side of the tree protector 1 is overlapped with the other long side portion. In this state, glue margin 3 is attached to the other long side portion by high-frequency fusion in this state (see FIG. 3). As a result, a cylindrical tree protector 1 as shown in FIG. 2 is obtained.

Next, a plurality of cylindrical tree protectors 1 are stacked in a state of being folded along the fold line 2 as shown in FIG. 3, and are conveyed together to a mountain or the like. When the tree protector 1 is transported to a mountain or the like, the tree protector 1 is spread out in a substantially cylindrical shape as shown in FIG. The cylindrical shape is kept stable. Next, as shown in FIG. 6, the support body 4a of the tree protector support 4 is inserted from below the cylindrical tree protector 1, and the ridge 13 provided along the inner peripheral surface of the support body 4a is inserted into the tree. The tree protector support 4 is positioned by engaging a hole 11a formed in the outer peripheral surface of the protector 1. Next, the planted seedlings 6 are covered with the cylindrical tree protector 1 from above, so that the periphery of the seedlings 6 is surrounded by the tree protector 1.

Next, as shown in FIG. 6, a string 8 inserted into an insertion hole 5 formed in the mounting piece 4 b of the tree protector support 4 is tied to a splint 7 driven into the ground, thereby forming a tree protector. 1 is stably supported around the seedling 6. The tree protector 1 is covered with the cylindrical tree protector 1 from above, and the attachment piece 4b of the tree protector support 4 and the splint 7 are tied to the splint 7 with a string 8. Since it can be stably supported around the seedling 6, the work efficiency when installing the tree protector 1 is improved. In this case, if the lower part of the tree protector 1 is embedded in the ground, the tree protector 1 can be further firmly fixed. However, it is not always necessary to embed the lower part of the tree protector 1 in the ground. In FIG. 6, two tree protector supports 4 are arranged. However, the number of tree protector supports 4 is not limited to two. It does not matter.

By using the tree protector 1 as described above, it is possible to prevent animal damage caused by eating the shoots, leaves, stems, and the like of the seedlings 6 from deer, rabbits, and the like. Further, since the tree protector 1 is made of a translucent material, the irradiated light can be scattered so that the seedlings 6 are not overheated, and the carbon dioxide gas generated from the seedlings 6 can be removed around the seedlings 6. Can be accumulated inside the surrounding tree protector 1. As a result, a good heat retention and moisture retention state for the seedling 6 can be obtained, and the growth of the seedling 6 can be promoted by the assimilation of carbonic acid.

If polyethylene or polypropylene is used as the material of the shape stabilizing member 9, the shape stabilizing member 9 can prevent a seedling or the like from coming into contact with the opening edge of the tree protector 1 at an acute angle. When the seedlings 6 grow and the branches and the like extend from the upper end opening of the tree protector 1, the branches are shaken by the wind and the like, and the seedlings 6 are damaged even if they come into contact with the upper opening edge of the tree protector 1. Never. As described above, the tree protector 1 can also be kept cylindrical by the tree protector support 4. Therefore, when the shape stabilizing member 9 is used to prevent damage to the seedlings 6, the seedlings 6 The shape stabilizing member 9 may be attached to the upper end of the tree protector 1 when it has grown to some extent.

When the seedling 6 has grown sufficiently, the tree protector 1 surrounding the seedling 6 is removed. If PP without base is used as a material for the tree protector 1, even if it is removed and incinerated, no toxic substances are emitted, so it is safe.

In the above embodiment, the ridge 13 provided along the inner peripheral surface of the support body 4 a of the tree protector support 4 is formed by a hole formed in the outer peripheral surface of the tree protector 1. 11a, the position of the tree protector support 4 is determined, but the means for achieving the engagement between the tree protector support 4 and the tree protector 1 is not necessarily limited to this configuration. Absent.

Further, in the above embodiment, the protrusion 10 c provided on the shape stabilizing member 9 is engaged with the hole 12 provided on the tree protector 1 to prevent the shape stabilizing member 9 from coming off. However, means for achieving the engagement between the shape stabilizing member 9 and the tree protector 1 is not necessarily limited to this configuration.

Further, in the above embodiment, the engagement holes 11a for positioning one tree protector support 4 are provided at two positions which are displaced from each other by approximately 180 °. It is not limited to the arrangement, and may be provided at, for example, four positions shifted by about 90 °.

In the above embodiment, the projections 10c and the locking holes 12 are provided at four positions shifted by approximately 90 °, but the projections 10c and the locking holes 12 are not necessarily limited to this arrangement. Instead, for example, it may be provided at two places shifted by about 180 ° or at three places shifted by about 120 °.

[0042]

[Effect of the invention]

 As described above, according to the present invention, a tree protector having a simple structure and which can be easily manufactured is obtained, so that the manufacturing cost can be reduced as compared with the conventional tree protector. In addition, the tree protector shall be stably supported around the seedling, etc., by simply covering the planted seedling, etc. with the tree protector from above and connecting the attachment piece of the tree protector support to the splint with a string, etc. Work efficiency when installing the tree protector is improved. In addition, the tree protector support is fixed to a predetermined length in the longitudinal direction of the tree protector by the engaging portion provided on the inner peripheral surface of the support body of the tree protector support and the engaged portion provided on the outer peripheral surface of the tree protector. Since the tree protector support can be mounted at the same position no matter who works, the work efficiency can be further improved.

[Brief description of the drawings]

FIG. 1 is an expanded view showing a tree protector according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where the tree protector according to the embodiment of the present invention is assembled in a cylindrical shape.

FIG. 3 is a perspective view showing a state in which the tree protector according to the embodiment of the present invention is folded.

FIG. 4 is a perspective view showing a shape stabilizing member used to stabilize the shape when the tree protector is assembled in a cylindrical shape in one embodiment of the present invention;

FIG. 5 is a perspective view showing a fixture used when installing the tree protector according to the embodiment of the present invention;

FIG. 6 is a perspective view showing a use state of the tree protector unit according to the embodiment of the present invention;

FIG. 7 is a development view showing a tree protector according to the related art.

FIG. 8 is a perspective view showing a use state of a tree protector according to a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tree protector 2 Fold 3 Glue margin 4 Tree protector support 4a Support body 4b Mounting piece 5 Insertion hole 6 Seedling 7 Splint 8 String 9 Shape stabilizing member 10 Shape stabilizing member main body 10a Groove 10b Projection 10c Projection 11a Hole 11b Notch 12 hole 13 ridge

Claims (13)

[Utility model registration claims] 1. A tree protector formed by bonding opposing sides of a translucent resin sheet, a ring-shaped support body, and a mounting piece provided on an outer peripheral surface of the support body. With a configured tree protector support, by an engaging portion provided on the inner peripheral surface of the support body of the tree protector support and an engaged portion provided on the outer peripheral surface of the tree protector,
A tree protector unit, wherein the tree protector support is positioned at a predetermined position in a longitudinal direction of the tree protector. 2. The tree protector support according to claim 1, wherein a protrusion provided along an inner peripheral surface of the support body of the tree protector support is engaged with an engagement hole provided on an outer peripheral surface of the tree protector. The tree protector unit according to claim 1, wherein a body is positioned at a predetermined position in a longitudinal direction of the tree protector. 3. The tree protector unit according to claim 2, wherein engagement holes for positioning one tree protector support are provided at two positions shifted by approximately 180 ° or at four positions shifted by approximately 90 °. . 4. The apparatus according to claim 1, further comprising a ring-shaped stabilizing member attached to an upper end of the tree protector.
The tree protector unit according to the above. 5. A groove for inserting an upper end of a tree protector is formed on a lower surface of the shape stabilizing member, and an engaging portion provided on the shape stabilizing member is engaged with an engaging member provided on the tree protector. The tree protector unit according to claim 4, wherein the tree protector unit is locked to a stop. 6. A projection is provided on an inner wall of the groove of the shape stabilizing member so as to project downward, and a projection is provided on the projection toward a radially outward side of the shape stabilizing member. The tree protector unit according to claim 5, wherein a locking hole for locking the protrusion is formed in the tree protector. 7. The tree protector unit according to claim 6, wherein the projections and the locking holes are provided at two places shifted by about 180 °, three places shifted by about 120 °, or four places shifted by about 90 °. . 8. The tree protector unit according to claim 1, wherein an insertion hole is formed in the mounting piece. 9. The tree protector unit according to claim 1, wherein a fold is formed on a center line parallel to a side of the resin sheet to be bonded. 10. The tree protector unit according to claim 1, wherein the material of the resin sheet is polypropylene or polyethylene. 11. The tree protector unit according to claim 1, wherein the material of the tree protector support is polyethylene, acrylonitrile butadiene styrene, polypropylene or polycarbonate. 12. The tree protector unit according to claim 3, wherein the material of the shape stabilizing member is polyethylene, acrylonitrile-butadiene-styrene, polypropylene or polycarbonate. 13. The tree protector unit according to claim 11, wherein the polyethylene is a high-density polyethylene.