JP4268110B2 - hammock - Google Patents

Description

  The present invention relates to a hammock used by being attached to a dedicated stand or tree.

  Hammock has long been used not only as a tool for enhancing outdoor life such as camping but also as a tool for creating a comfortable resting space indoors and in the car. Things have been proposed.

  For example, Patent Document 1 describes a hammock device including a hammock body and a support as a dedicated stand for suspending the hammock body (Claims, FIG. 3). In this hammock device, the support device includes two or more leg portions and a connection device that connects the upper ends of the leg portions, and the hammock body is suspended from the connection device. A locking portion is provided for this purpose (claims). Thereby, it is said that the hammock body can be stretched even in a place without a pillar or a tree ([0019]). Patent Document 1 also describes that a holding material is attached to both ends of the mesh body constituting the hammock body in order to prevent the width of the hammock body from being narrowed ([0010], [0012], FIG. 3). ).

  Patent Document 2 describes a hammock-like car article in which a net is attached in a frame portion and hook portions are attached to both ends of the frame portion (claims, FIG. 1). In this hammock-shaped car article, the frame portion is made of a strong rope-like object (Claims, [0005]). Thereby, it is said that the discomfort at the time of staying in a car can be solved ([0006]).

  Further, Patent Document 3 describes a stretching tool for stretching a net on a frame (lower part of the first page). This stretcher is formed by, for example, bending a metal strip into a concave shape (claims for utility model registration, FIGS. 1 and 2). This makes it possible to easily assemble the bed and the stool by making it easy to attach and detach the stretcher (interrupt on page 3). Patent Document 3 also describes the use of a pipe made of light metal or plastic for the frame to which the extension tool is attached or detached (upper part of the second page).

Japanese Patent Application Laid-Open No. 07-194431 JP 2000-333732 A Japanese Utility Model Publication No. 50-112405

  However, in the hammock device of Patent Document 1, the holding material is attached only to a portion along the short side of the mesh body, and is not attached to a portion along the long side of the mesh body. . For this reason, the hammock device of Patent Document 1 has poor shape retention in the longitudinal direction of the hammock body, and cannot always be said to provide a good sleeping comfort. In particular, the vicinity of the central portion of the hammock body that is far from the holding material is likely to sink deeply, so that a load that is biased toward the user's waist is easily applied. If you continue to sleep under a load that is biased to your lower back, you may be more likely to suffer from back pain.

  On the other hand, in the hammock-shaped car article of Patent Document 2, the entire circumference of the net is supported by the frame part, but the frame part is formed of a rope-like shape, and the user's It cannot be said that the body has the rigidity necessary to prevent the body from sinking too deeply into the net. For this reason, the hammock-shaped car article of Patent Document 2 also has the same problem as the hammock device of Patent Document 1. Further, Patent Document 2 does not describe how to attach the net to the frame part, and there is a question about the attachment strength between the frame part and the net.

  On the other hand, the spreader of Patent Document 3 can spread a net on a frame made of a pipe made of light metal or plastic, and can provide a hammock with excellent shape retention. For this purpose, the extension tool has to be attached to a plurality of locations on the frame, and the installation work is troublesome. Further, when a net is attached to the frame using the stretcher of Patent Document 3, the stretcher locally applies an external force to the net, so that the net is easily cut and there is a question about safety.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a hammock that has excellent shape retention and good sleeping comfort. It is another object of the present invention to provide a hammock in which a bed forming material such as a net can be easily attached and assembled. Furthermore, it is an object of the present invention to provide a hammock excellent in safety in which a bed forming material such as a net is hardly cut.

  In the hammock comprising a bed forming material made of woven or non-woven fabric and a tension frame for stretching the bed forming material, the bed forming material is formed in a cylindrical shape or a bag shape, The problem is solved by providing a hammock characterized in that a tension frame is used in a state of being accommodated in the bed forming material. This not only gives the hammock moderate shape retention and improves the sleeping comfort of the hammock, but also makes it possible to reduce the labor involved in assembling the hammock. It also becomes possible to make the hammock excellent in safety. Here, the hammock is not limited to the one used as a bed, but includes one used for a reclining chair, a stretcher, and the like. The bed forming material can be in a state of being stretched on the tension frame by binding both ends thereof. Usually, a hanging tool, a connecting tool for hanging the hanging tool, and the like are connected to both ends of the bound bed forming material.

  The bed forming material may be a sheet or the like having no mesh, but is preferably composed of a net having a mesh. Thereby, the air permeability and water permeability of the bed forming material can be improved, and the sleeping comfort of the hammock can be further improved. Moreover, it is also preferable that the upper body support side of the tension frame is formed wider than the lower body support side, or the tension frame is formed to be curved in a substantially arcuate shape when viewed from the side. This makes it possible to further improve the sleeping comfort of the hammock by forming the tension frame in a shape along the human body.

  The tension frame may be one in which a vertical frame portion and a horizontal frame portion are integrally formed, but is preferably formed by joining a plurality of bar members in the axial direction. As a result, it is possible to make the hammock easy to carry by making the tension frame disassembleable. At this time, the joint portion of the bar has a fitting structure of a convex engagement portion and a concave engagement portion, and the bars connected by the joint portion are positioned in the circumferential direction by the fitting structure. It is more preferable. This makes it possible to assemble the tension frame accurately and skillfully. This configuration is particularly suitable when the tension frame has a curved shape or when the number of bars is large.

  As described above, according to the present invention, it is possible to provide a hammock having excellent shape retention and good sleeping comfort. It is also possible to provide a hammock in which a bed forming material such as a net can be easily attached and assembled easily. Furthermore, it becomes possible to provide a hammock excellent in safety in which a bed forming material such as a net is hardly cut. For this reason, it becomes possible to enrich the outdoor life and indoor life and to spend more comfortably.

  A preferred embodiment of the hammock of the present invention will be described more specifically with reference to the drawings. FIG. 1 is a perspective view of a hammock device 300 in which a hammock 100 of the present invention is suspended from a hammock stand 200. FIG. 2 is a perspective view showing a state in which the hammock 100 of the present invention is disassembled into a bed forming material 110 and a tension frame 120. FIG. 3 is a plan view of the tension frame 120 as viewed from above in the vertical direction. FIG. 4 is a right side view of the tension frame 120 as viewed from the right side in the horizontal direction. FIG. 5 is an enlarged right side view of part A of FIG. In this embodiment, the hammock 100 is suspended from the hammock stand 200, but the object to suspend the hammock 100 is not limited to the hammock stand 200, and may be a tree, a pillar, or the like.

  As shown in FIG. 1, the hammock device 300 includes a hammock 100 and a hammock stand 200. As shown in FIG. 2, the hammock 100 includes a bed forming material 110 for forming a bed and a tension frame 120 for stretching the bed forming material 110. The bed forming material 110 is formed in a flat cylindrical shape so that the tension frame 120 can be accommodated therein. The bed forming material 110 may be formed in a cylindrical shape by overlapping the side ends of one woven fabric or non-woven fabric, or a plurality of woven or non-woven fabrics joined together to form a cylindrical shape. It may be a thing. The material of the bed forming material 110 is not particularly limited as long as it has the strength and flexibility required as a bed forming material, natural materials such as hemp and cotton, and synthetic materials such as nylon, polypropylene, polyester, and polyolefin. The material is exemplified. In the hammock 100 of this embodiment, a net formed by knitting a rope formed by twisting colored nylon fibers is used as the bed forming material 110. Therefore, the bed forming material 110 is not only light and strong, but also has air permeability and water permeability, and can provide a comfortable sleeping comfort for the user.

As shown in FIG. 3, the tension frame 120 is formed so that the upper body support side (arrow a side) is wider than the lower body support side (arrow b side). By forming the tension frame 120 in such a shape, it is possible to prevent a large difference between the depth at which the upper body sinks and the depth at which the lower body sinks when a person lies on the top surface of the hammock 100. . The ratio (W ₂ / W ₁ ) of the width W ₂ (average value) of the lower body support side to the width W ₁ (average value) of the upper body support side of the tension frame 120 varies depending on the dimensions of the tension frame 120 and is particularly limited. Although it is not a thing, it is 0.65-0.95 normally. If the ratio (W ₂ / W ₁ ) is less than 0.65, the upper body may sink deeply into the lower body, and if the ratio (W ₂ / W ₁ ) is greater than 0.95, the lower body will be lower than the upper body. This is because it may sink deeply. The ratio (W ₂ / W ₁ ) is more preferably 0.70 or more, and further preferably 0.75 or more. On the other hand, the ratio (W ₂ / W ₁ ) is more preferably 0.90 or less, and further preferably 0.85 or less. In the hammock 100 of this embodiment, the ratio (W ₂ / W ₁ ) is about 0.80. The corners of the tension frame 120 are formed in a substantially arc shape in consideration of safety.

  Further, as shown in FIG. 4, the tension frame 120 is formed to be curved in a substantially bow shape in a side view. By making the tension frame 120 into such a shape, it becomes possible to make the tension frame 120 a shape along the human body and further improve the sleeping comfort of the hammock. The bending angle θ of the tension frame 120 varies depending on the use of the hammock 100 and is not particularly limited, but is usually 5 to 90 ° (when the bending angle θ is close to 90 °, the hammock 100 The hammock 100 can be used as a reclining chair by arranging the lower body support side so as to be substantially horizontal. If the bending angle θ is less than 5 °, the hammock 100 may not have a shape along the human body, and if the bending angle θ is larger than 90 °, the user may have an unreasonable posture. is there. When the hammock 100 is used as a bed, the bending angle θ is more preferably 15 ° or more, and further preferably 25 ° or more. On the other hand, the bending angle θ is more preferably 45 ° or less, and further preferably 35 ° or less. In the hammock 100 of this embodiment, the bending angle θ is about 30 °. When the hammock 100 is used as a reclining chair, it is preferable to add 40 ° to the bending angle θ when the hammock 100 is used as a bed.

  The material of the upholstery frame 120 is not particularly limited as long as it has rigidity and strength enough to prevent deformation or breakage even if a person is placed on the bed forming material 110 stretched by the upholstery frame 120, and steel. Examples thereof include metals such as aluminum and aluminum, resins such as hard plastics, and natural materials such as wood and bamboo. In the hammock 100 of this embodiment, as shown in FIG. 2 to FIG. 4, a steel frame 121 to 128 formed in a frame shape by joining a plurality of steel bars 121 to 128 is used as the tension frame 120. Yes. The rods 121 to 128 are hollow pipes. Therefore, the tension frame 120 is not only light and strong, but also can be disassembled, and has excellent portability.

  As shown in FIG. 5, the joint portions of the bar members 121 to 128 have a fitting structure of a convex engagement portion α and a concave engagement portion β, and are connected by the joint portions. (In FIG. 5, the bar 121 and the bar 122) are positioned in the circumferential direction by the fitting structure. In the case where the tension frame 120 is curved as in the hammock 100 of this embodiment, if the bars are displaced in the circumferential direction, the tension frame 120 may not be assembled or may be distorted. However, when the tension frame 120 has such a fitting structure, each bar can be easily positioned, and the tension frame 120 can be assembled accurately and easily. In the hammock 100 of this embodiment, the convex engagement part α and the concave engagement part β are cut in a direction perpendicular to the axis so that a single pipe can be uneven. For this reason, the convex engaging portion α and the concave engaging portion β are engaged with each other with high accuracy. The convex engagement portion α and the concave engagement portion β are welded at their proximal ends to the end portions of the bars.

  As the hammock stand 200, those conventionally used can be widely used. However, in the hammock device 300 of this embodiment, as shown in FIG. 1, the hammock stand 200 is provided at both ends of the leg 210 and the leg 210. What consists of a pair of upright parts 220 and 230 is used. The leg part 210 is composed of a pair of bar members 211 and 212 arranged substantially in parallel. The standing portion 220 is composed of a pair of rods 221 and 222, and the standing portion 230 is composed of a pair of rods 231 and 232. One end of the bar members 211 and 212 is connected to the lower end of the bar members 221 and 222 via joints 241 and 245, respectively, and the other end of the bar members 211 and 212 is connected to the bar member via joints 242 and 244, respectively. 231 and 232 are connected to the lower ends. The upper ends of the bar members 221 and 222 are connected to each other via a joint 240, and the upper ends of the bar members 231 and 232 are connected to each other via a joint 243. For this reason, the hammock stand 200 can be disassembled and is easy to carry. The steel bars 211, 212, 221, 222, 231, 232 and joints 240 to 245 use steel pipes similar to the bars 121 to 128 forming the tension frame 120. Latches 400 and 401 are fixed to the central portions of the joints 240 and 243, and hangers 402 and 403 for hanging the hammock 100 are connected to the latches 400 and 401, respectively. . By using such a hammock stand 200, it is possible to enjoy the hammock 100 even in a place where there are no trees or pillars.

  Next, a method for assembling the hammock 100 will be described. First, as shown in FIG. 2, the rods 121 to 128 are joined in the axial direction to form the tension frame 120. Next, the tension frame 120 is accommodated in the bed forming material 110. When the upper body support side of the upholstery frame 120 is formed wider than the lower body support side as in the hammock 100 of this embodiment, it may be inserted into the bed forming material 110 from the lower body support side of the upholstery frame 120. In the hammock 100 of this embodiment, since the bed forming material 110 is a net, the tension frame 120 can be assembled after being housed inside the bed forming material 110. Next, as shown in FIG. 1, the both opening ends of the bed forming material 110 are squeezed until the central portion of the bed forming material 110 is in a tensioned state by the tension frame 120, and the both opening ends are bound to a band or the like. Bundle with tools 404 and 405. In the assembling method of this embodiment, both ends of the bed forming material 110 are folded and then bound. By doing so, it becomes possible to form a ring at both ends of the bed forming material 110. To this ring, connecting tools 406 and 407 for connecting both ends of the hammock 100 to hanging tools 402 and 403 such as chains are attached. Thus, the assembly of the hammock 100 is completed. Thereafter, the lower ends of the hanging tools 402 and 403 are hooked on the connecting tools 406 and 407, respectively, and the hammock device 300 is completed. In order to improve the appearance of the hammock device 300, a bag-like cover (not shown) having a substantially triangular shape or the like may be placed around the suspension tools 402 and 403.

  As described above, the hammock 100 of the present invention can easily attach the bed forming material 110 to the tension frame 120. In addition, since the bed forming material 110 is stretched by the tension frame 120, it has shape retention not only in the direction along the short side but also in the direction along the long side. . Therefore, the hammock 100 can provide a good sleeping comfort without causing the user's body to sink deeply. This is also due to the fact that the bed forming material 110 is doubled at the opening of the tension frame 120. Furthermore, since the bed-forming material 110 comes into contact with substantially the entire periphery of the tension frame 120, it is difficult for a local force to be applied and it is difficult to break. For this reason, the hammock 100 is excellent in safety.

It is a perspective view of the hammock device formed by suspending the hammock of the present invention from a hammock stand. It is the perspective view which showed the state which decomposed | disassembled the hammock of this invention into the bed forming material and the tension frame. It is the top view which looked at the tension frame from the perpendicular direction upper side. It is the right view which looked at the tension frame from the horizontal direction right side. It is the right view which expanded the A section of FIG.

Explanation of symbols

100 hammock
110 Bed forming material (net)
120 Tension frame
121-128 Bar material (pipe)
200 Hammock stand
210 legs
211,212 Bar (pipe)
220 Standing part
221 and 222 Bar material (pipe)
230 Standing part
231,232 Bar material (pipe)
240 ~ 245 joint (pipe)
300 Hammock device
400, 401 Hook
402, 403 hanging tool
404, 405 binding tool
406, 407 connector
A Joint part
W ₁ Width on upper body support side
W ₂ Lower body support side width α Convex engaging part β Concave engaging part θ Curvature angle

Claims (6)

A bed-forming material of a woven or nonwoven fabric, a hammock comprising a tension frame for tensioning a該寝floor forming material, the whole of the bed forming material is formed into a cylindrical shape or a bag shape Rutotomoni, wherein The tension frame is formed of a rigid vertical frame portion and a horizontal frame portion, and the entire tension frame is accommodated inside the bed forming material, so that the central portion of the bed forming material is in tension when in use. A hammock characterized by being kept . A binding tool for binding the opening end portion of the bed forming material is provided, and the opening end portion of the bed forming material is squeezed by the binding tool, so that the central portion of the bed forming material is kept in a tensioned state. The hammock according to claim 1, wherein The hammock according to claim 1 or 2, wherein the upper body support side of the tension frame is formed wider than the lower body support side. The hammock according to any one of claims 1 to 3, wherein the tension frame is formed to be curved in a substantially arcuate shape when viewed from the side. The hammock according to any one of claims 1 to 4, wherein the vertical frame portion and the horizontal frame portion of the tension frame are formed by joining a plurality of bars in the axial direction. The joint portion of the bar has a fitting structure of a convex engagement portion and a concave engagement portion, and each bar connected by the joint portion is positioned in the circumferential direction by the fitting structure. Item 11. A hammock according to item 5.

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