Golf bag

Abstract

To provide a caddie bag comprising a bottom component that has high rigidity, is easy to manufacture, and is light-weight.SOLUTION: A caddie bag 100 comprises: a cylindrical bag body 10 for storing golf clubs 101; and a bottom component 20 attached to a bottom edge of the bag body 10. The bottom component 20 has a bottom surface part 30 that protrudes so as to be higher as it goes toward its center part 31. The bottom surface part 30 includes one or both of an inflection part 34 whose cross section changes from concave to convex and a bending part 36 whose cross section is bendable.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a caddy bag.

Background Art

[0002] A caddy bag includes a bottom part corresponding to the bottom portion. The bottom part requires a certain degree of rigidity. If the rigidity of the bottom part is high, deformation of the bottom part can be suppressed, and the caddy bag can be prevented from tipping over. As a method of increasing the rigidity of the bottom part, a method of making the bottom part a multi-layer structure has been proposed (for example, see Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, making the bottom part a multi-layer structure complicates the manufacturing process and leads to an increase in weight.

[0005] In view of such circumstances, an object of the present invention is to provide a caddy bag provided with a bottom part having high rigidity, easy to manufacture, and lightweight.

Means for Solving the Problems

[0006] A caddy bag according to an aspect of the present invention includes a cylindrical bag body for storing a golf club, and a bottom part attached to the lower end of the bag body. The bottom part has a bottom surface portion that rises so as to become higher toward the central portion, and the bottom surface portion includes one or both of an inflection portion where the cross-section changes from concave to convex and a bent portion where the cross-section is bent.

[0007] In this configuration, the bottom surface is raised so that it becomes higher towards the center. Therefore, for example, when a force is applied to the bottom surface from above, a compressive load, which is less likely to cause deformation than a tensile load, is applied to the bottom surface. As a result, the rigidity of the bottom component can be increased. Moreover, the bottom surface includes either or both of the following: an inflection section where the cross-section changes from concave to convex, and a bend section where the cross-section folds. The areas around these inflection and bend sections can function as beams or columns. As a result, the rigidity of the bottom component can be further increased. Furthermore, because the rigidity of the bottom component can be increased in the above configuration, there is no need to make the bottom component a multi-layered structure. As a result, the above bottom component can be easily manufactured and its weight can be reduced.

[0008] In the above-mentioned golf bag, the height of the raised portion of the bottom surface may be 10 mm or more and 30 mm or less.

[0009] In this configuration, the height of the bottom surface is 10 mm or more, ensuring high rigidity of the bottom component. Furthermore, because the height of the bottom surface is 30 mm or less, it prevents the storage area of ​​the golf bag from being compressed.

[0010] In the above-described golf bag, the bottom surface may have a downwardly convex valley extending from the central portion toward the outer edge.

[0011] In this configuration, a valley is formed extending from the central part of the bottom surface toward the outer edge. As a result, a curved section is formed along this valley on the bottom surface, extending from the central part toward the outer edge. Consequently, vertical displacement of the bottom surface can be suppressed, further increasing the rigidity of the bottom component.

[0012] In the above-described golf bag, the valley portion may be curved in a plan view.

[0013] In this configuration, the valleys are curved in plan view. As a result, a curved section is formed over a wide area in the circumferential direction of the bottom surface. Consequently, the rigidity of the bottom component can be further increased.

[0014] In the above-described golf bag, the bottom surface may be formed in a stepped shape.

[0015] In this configuration, the bottom surface is formed in a stepped shape. As a result, multiple bends are formed on the bottom surface at different vertical positions. Consequently, bends are formed over a wide area of ​​the bottom surface, further increasing the rigidity of the bottom component. [Effects of the Invention]

[0016] According to the above configuration, it is possible to provide a golf bag with a bottom component that is easy to manufacture, highly rigid, and lightweight. [Brief explanation of the drawing]

[0017] [Figure 1] Figure 1 is a schematic diagram of a golf bag. [Figure 2] Figure 2 is a perspective view of the bottom component from the top side. [Figure 3] Figure 3 is a perspective view of the bottom component from the underside. [Figure 4] Figure 4 is a longitudinal cross-sectional view of the bottom component excluding the legs. [Figure 5] Figure 5 is a longitudinal cross-sectional view of the bottom component, including the legs. [Figure 6] Figure 6 is a perspective view of the modified bottom part, seen from the top side. [Modes for carrying out the invention]

[0018] (Overview of the golf bag) Hereinafter, the caddy bag 100 according to an embodiment of the present invention will be described. First, an overview of the caddy bag 100 will be described. FIG. 1 is a schematic view of the caddy bag 100. The caddy bag 100 includes a cylindrical bag body 10 that houses a golf club 101, and a bottom part 20 attached to the lower end of the bag body 10.

[0019] The material of the bag body 10 is not particularly limited. For example, the bag body 10 can be formed by covering a resin-made body core with a cloth cover. Also, the bottom part 20 of the present embodiment is made of resin. The bottom part 20 is fixedly attached to the lower end of the bag body 10. For example, the bottom part 20 may be fixedly attached to the bag body 10 by adhesion with an adhesive and sewing. In the caddy bag 100, if the rigidity of the bottom part 20 is high, the bottom part 20 is less likely to deform, and as a result, the caddy bag 100 can be prevented from tipping over.

[0020] (Details of the bottom part) Next, the details of the bottom part 20 will be described. FIG. 2 is a perspective view of the bottom part 20 as viewed from the upper surface side. Also, FIG. 3 is a perspective view of the bottom part 20 as viewed from the lower surface side. As shown in FIGS. 2 and 3, the bottom part 20 includes a bottom surface part 30 and an outer peripheral part 40. Hereinafter, these components will be described in order.

[0021] <Bottom surface part> The bottom surface part 30 is located at the center of the bottom part 20. The bottom surface part 30 of the present embodiment is raised so as to become higher from the outer peripheral edge toward the central part 31. That is, the bottom surface part 30 is formed in a dome shape as a whole. Therefore, for example, when a force is applied to the bottom surface part 30 from above, a compressive load that is less likely to cause deformation than a tensile load is applied to the bottom surface part 30. Thus, by raising the bottom surface part 30 as in the present embodiment, the rigidity of the entire bottom part 20 can be increased.

[0022] To describe the bottom surface part 30 in more detail, the bottom surface part 30 includes a central part 31 and a raised part 32.

[0023] The central portion 31 is the portion that includes the center point of the base portion 30 in a plan view. In this embodiment, the central portion 31 is formed in a horizontal plane. However, the central portion 31 may be formed in a partially spherical shape.

[0024] The raised portion 32 is an annular portion arranged to surround the entire circumference of the central portion 31. The raised portion 32 is formed so that its height increases from the outer edge toward the central portion 31. In this embodiment, the raised portion 32 is formed in a curved shape. Furthermore, the raised portion 32 has multiple downward-convex valleys 33. Each valley 33 extends linearly from the central portion 31 toward the outer edge.

[0025] However, the raised portion 32 may have a convex peak instead of, or in addition to, the valley portion 33. In either case, the valley portion 33 or the peak portion, a curved portion 34 is formed around it, where the cross-section changes from concave to convex. The area around such a curved portion 34 can function as a beam or column in the bottom portion 30. Therefore, as in this embodiment, the rigidity of the bottom component 20 can be increased by including the curved portion 34 in the bottom portion 30.

[0026] Furthermore, each valley 33 is curved in plan view. Specifically, each valley 33 is curved such that its circumferential position changes as it approaches the outer edge of the bottom surface 30. As a result, the curved portion 34 is formed over a wide area of ​​the bottom surface 30, thereby further increasing the rigidity of the bottom part 20. Although each valley 33 appears on the underside of the bottom surface 30, each valley 33 may be visible when transporting the caddy bag 100. Therefore, curving each valley 33 is also preferable from an aesthetic standpoint.

[0027] Furthermore, as shown in Figure 3, multiple reinforcing ribs 35, which are thicker than other adjacent parts, are formed on the lower side of the bottom portion 30. In this embodiment, the reinforcing ribs 35 are formed in an annular shape along the outer edge of the central portion 31, and are also formed linearly so as to extend from the central portion 31 toward the outer edge of the bottom portion 30. Three reinforcing ribs 35 are formed in each of the parts corresponding to adjacent valleys 33. In addition, the reinforcing ribs 35 extending from the central portion 31 toward the outer edge of the bottom portion 30 can suppress deformation of the bottom portion 30 in the vertical direction, thereby further increasing the rigidity of the bottom part 20.

[0028] Furthermore, the reinforcing portion 35 is formed to protrude downward from the lower surface of the bottom portion 30. Therefore, when the golf bag 100 is viewed from below, the reinforcing portion 35 can be seen. Thus, forming the reinforcing portion 35 to protrude downward from the lower surface of the bottom portion 30, as in this embodiment, is also preferable from a design standpoint. However, the reinforcing portion 35 may also be formed to protrude upward from the upper surface of the bottom portion 30. Note that the shape of the reinforcing portion 35 is not limited to the above. For example, the reinforcing portion 35 may be formed in a honeycomb shape.

[0029] The height (difference in height) h of the bottom surface 30 is not particularly limited, but it is desirable that it be between 10 mm and 30 mm (see Figure 4). By setting the height h of the bottom surface 30 to 10 mm or more, high rigidity of the bottom component 20 can be ensured. On the other hand, by setting the height h of the bottom surface 30 to 30 mm or less, it is possible to suppress the compression of the storage area of ​​the caddy bag 100.

[0030] <Outer perimeter> The outer periphery 40 is positioned to surround the bottom surface 30. In this embodiment, the outer periphery 40 is annular and integrally formed with the bottom surface 30. As described above, the bottom surface 30 in this embodiment is raised so that it becomes higher towards the central portion 31. Therefore, when force is applied to the bottom surface 30, for example from above, it tends to deform and spread outwards. However, since the outer periphery 40, which is integrally formed with the bottom surface 30, is annular and surrounds the entire circumference of the bottom surface 30, deformation of the bottom surface 30 is suppressed. As a result, the rigidity of the bottom component 20 can be further increased.

[0031] To describe the outer perimeter 40 in more detail, as shown in Figure 2, the outer perimeter 40 includes a horizontal section 41, an inclined section 42, and a vertical wall section 43.

[0032] The horizontal portion 41 is located outside the base portion 30 and is a continuous portion from the base portion 30. The horizontal portion 41 is formed in an annular shape and surrounds the base portion 30. The horizontal portion 41 is formed perpendicular to the vertical direction (i.e., horizontal). Therefore, the horizontal portion 41 is not easily deformed by forces applied in the horizontal direction. Thus, the outer periphery 40, including the horizontal portion 41, can efficiently suppress horizontal deformation of the base portion 30. However, the horizontal portion 41 may be omitted from the outer periphery 40, or the horizontal portion 41 may be inclined to become lower as it extends outward.

[0033] The inclined portion 42 is located outside the horizontal portion 41 and is a continuous portion from the horizontal portion 41. The inclined portion 42 is formed in an annular shape and surrounds the horizontal portion 41. The inclined portion 42 is inclined so that it becomes higher as it moves outward (as it moves away from the bottom portion 30). The inclination angle α of the inclined portion 42 is not particularly limited, but it is preferably between 30 degrees and 60 degrees (see Figure 4).

[0034] Furthermore, multiple legs 44 are formed on the inclined portion 42 at equal intervals in the circumferential direction. Figure 4 is a longitudinal cross-sectional view of the bottom part 20 in the portion that does not include the legs 44. Figure 5 is a longitudinal cross-sectional view of the bottom part 20 in the portion that includes the legs 44. As can be seen by comparing Figures 4 and 5, the legs 44 are recessed outwards, and their tips are located below the horizontal portion 41 and in contact with the ground (ground contact). However, the tips of the legs 44 may be located at the same height as the horizontal portion 41. As in this embodiment, by forming legs 44 on the inclined portion 42, the rigidity in the vertical and horizontal directions of the portion corresponding to the legs 44 is increased. Moreover, by making the recessed portion on the outside of the inclined portion 42 the legs 44, there is no need to separately manufacture and attach the legs 44.

[0035] The vertical wall portion 43 extends upward from the inclined portion 42 and is a continuous portion with respect to the inclined portion 42. The vertical wall portion 43 is formed in an annular shape and extends in the vertical direction. This vertical wall portion 43 is fixed to the lower end portion of the bag body 10. Because the outer periphery portion 40 includes the vertical wall portion 43 that extends in the vertical direction, it is less prone to deformation in the vertical direction, and its rigidity against torsion around the horizontal axis can be increased.

[0036] As shown in Figures 4 and 5, the bottom component 20 of this embodiment is thin, with a nearly uniform overall thickness except for the reinforcing portion 35. The bottom component 20 of this embodiment is formed to have a thickness of 0.8 mm or more and 2.0 mm or less. Furthermore, since the bottom component 20 of this embodiment can ensure sufficient rigidity, it does not need to be a multi-layered structure. Therefore, the bottom component 20 of this embodiment can be made lighter. The bottom component 20 of this embodiment is formed to weigh 80 g or more and 150 g or less. Moreover, the bottom component 20 of this embodiment is easy to manufacture, for example, by simple injection molding.

[0037] (modified version) The golf bag 100 described above is equipped with the bottom part 20 shown in Figure 2, but the golf bag 100 may also be equipped with the bottom part 20A shown in Figure 6. Figure 6 is a perspective view of the bottom part 20A in the modified example, seen from the top side. The bottom part 20A in the modified example has a different shape for the bottom surface portion 30 compared to the bottom part 20 described above, but otherwise it is the same as the bottom part 20 described above.

[0038] In the modified bottom part 20A, the bottom surface 30 is raised so that it becomes higher towards the central part 31. However, the bottom surface 30 is formed in a stepped shape. That is, the bottom surface 30 is formed so that annular parts extending vertically outward from the central part 31 and annular parts extending horizontally are alternately continuous. The boundaries between these parts are bent in cross-sectional view. In other words, the bottom surface 30 shown in Figure 6 has multiple bent parts 36 in cross-section.

[0039] The bent portion 36, like the curved portion 34 (see Figure 2), can have its surrounding area function as a beam or column. Therefore, the rigidity of the bottom component 20A shown in Figure 6 can also be increased. Furthermore, because the bottom component 20A has sufficient rigidity, it does not need to be a multi-layered structure, making it easy to manufacture and allowing for weight reduction.

[0040] Although the bottom parts 20 and 20A described above are formed in a circular shape in plan view, the shape of the bottom parts 20 and 20A is not limited to this. For example, the bottom parts 20 and 20A may be elliptical or rectangular in plan view.

[0041] Furthermore, a portion of the configuration of the bottom part 20A shown in Figure 6 may be applied to the bottom part 20 shown in Figure 2. In other words, the bottom part 20 may include both the inflection portion 34 and the bent portion 36. Moreover, the bottom part 20 may be formed so that there are no portions with a concave cross-section throughout and it does not include either the inflection portion 34 or the bent portion 36. [Explanation of symbols]

[0042] 10 Bag body 20 bottom parts 20A Bottom component 30 Bottom part 31 Center part 32 Raised area 33 Tanibe 34 Inflection 35 Reinforcement section 36. Bending section 40 Outer periphery 41 Horizontal part 42 Slope 43 Vertical wall section 44 legs 100 Golf Bags 101 Golf Clubs h elevation height α Incline angle

Claims

1. A cylindrical bag body for storing golf clubs, The bag comprises a bottom component attached to the lower end of the bag body, The bottom part has a bottom surface that rises in height towards the center, The bottom surface of the golf bag is formed so that annular portions extending vertically and annular portions extending horizontally are alternately continuous from the central portion outwards.

2. The golf bag according to claim 1, wherein the height of the raised portion of the bottom surface is 10 mm or more and 30 mm or less.

3. The bottom portion is formed in a stepped shape with two or more steps, as described in claim 1 or 2 of the golf bag.

4. The golf bag according to claim 1, wherein the bottom part is elliptical in plan view.

5. The golf bag according to claim 1, wherein the bottom part is rectangular in plan view.

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