Shaft mounting member, and hoist and hanging device using same
Patent Information
- Application Number
- JP2021058626
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-03-30
- Publication Date
- 2025-02-17
- Estimated Expiration
- 2041-03-30
Smart Images

Figure 0007630333000001 
Figure 0007630333000002 
Figure 0007630333000003
Abstract
Description
[Technical field]
[0001] The present invention relates to a shaft mounting member that supports a shaft vertically on a mounting surface such as a ceiling surface, and to a suspender and hanging device using the same. [Background technology]
[0002] Conventionally, for example, a hanging device is known that supports a hanger pipe, such as a clothesline pole, substantially horizontally on a shaft that is attached to a target surface such as a ceiling and hangs down. Also known is a suspending tool that has an annular hanging ring at the tip of a shaft that is attached to a target surface and hangs down, and that suspends a hanger or other suitable object to be suspended from the ring. One end of the shaft in such a hanging device or suspending tool is attached to the target surface by some kind of mounting member.
[0003] In this case, if the shaft is firmly fixed to the mounting member that is fixed to the mounting surface, when an external force is applied from the side to the hanging shaft, the mounting surface (such as the ceiling surface) and the mounting member to which it is fixed will be loaded, which may accelerate the deterioration of these. Also, since it is better for users to avoid bumping into things as much as possible, they may be very careful to avoid bumping into things.
[0004] In response to this, a technique is known in which a shaft is supported so as to be freely swingable relative to a mounting member fixedly attached to a mounting surface (see, for example, Patent Document 1). When a shaft ("hanging rod 5" in Patent Document 1) is hanging down so as to be freely swingable from a mounting surface, if an object to be hung ("dry hanger 11" in Patent Document 1) is to be hung from the lower end of the shaft or from a hanger pipe supported by the shaft, the shaft (or even the "hanger pipe") will swing and become unstable, making it difficult to perform the hanging operation. In addition, there is a concern that the application of some kind of lateral force to the shaft will cause the object to be hung to swing together with the shaft (or even with the "hanger pipe"), and hit the surrounding walls, windows, etc. [Prior art documents] [Patent documents]
[0005] [Patent Document 1] JP 2003-225498 A Summary of the Invention [Problem to be solved by the invention]
[0006] Therefore, the present invention has been made in consideration of the above problems. That is, an object of the present invention is to provide a shaft mounting member that allows a shaft supported in a hanging state to tilt obliquely when a lateral load is applied to the shaft, but that makes it easy to maintain the hanging state of the shaft when there is no lateral load, and a suspender and hanging device using the same. [Means for solving the problem]
[0007] The above object can be achieved by the present invention as described below. That is, the shaft mounting member of the present invention is a shaft mounting member that supports a shaft in a hanging state on a mounting target surface, A base is attached to the mounting surface and has a lower surface facing downward; a joint supporting one end of the shaft from below; a connection portion that connects the joint and the base such that the shaft and the joint can swing about a fulcrum at a position lower than the lower surface of the base; a pivot having a shaft portion and a curved tip portion, the shaft portion being inclined in response to the swinging of the joint, and the tip portion being biased against the lower surface of the base; Equipped with A recess into which the tip portion fits is provided at a location on the lower surface where the tip portion abuts.
[0008] In the present invention, the connection portion is a hinge including a columnar portion fixed to an upper side of the joint and protruding from the joint in an axially upward direction, and a curved protruding portion connected to the columnar portion, the curved protruding portion having an outer circumferential surface that is partly spherical with a center point overlapping a central axis of the columnar portion; a hinge cover having a circular opening with a diameter smaller than the diameter of the sphere on the outer circumferential surface of the curved protrusion and larger than the diameter of the cylindrical portion, the cylindrical portion being fitted into the circular opening to hold the hinge with the curved protrusion on one side and the cylindrical portion on the other side of the circular opening, and fixed with the one side facing the base; The optical fiber may be configured to include:
[0009] In this case, the hinge has a hole portion recessed downward from an upper end in the axial direction, The shaft portion of the pivot may be housed in the hole portion, The pivot mechanism further includes a coil spring into which the shaft portion of the pivot is inserted and which is accommodated in the hole portion in a compressed state, The biasing force that biases the tip end of the pivot against the lower surface may be due to the elastic force of the coil spring.
[0010] In this case, the hole portion has a large inner diameter portion on the upper side in the axial direction, a small inner diameter portion below the large inner diameter portion and having an inner diameter smaller than that of the large inner diameter portion, and an inner diameter step portion connecting between the large inner diameter portion and the small inner diameter portion, the shaft portion of the pivot has a large outer diameter portion that can be fitted into the large inner diameter portion at an upper side in the axial direction and can move in the axial direction, a small outer diameter portion that can be fitted into the small inner diameter portion at a lower side of the large outer diameter portion and can move in the axial direction, and an outer diameter step portion that connects between the large outer diameter portion and the small outer diameter portion, The small outer diameter portion is inserted into the coil spring, One end of the coil spring may be in contact with the outer diameter step portion, and the other end may be in contact with the inner diameter step portion.
[0011] Furthermore, in the present invention, when the connection portion is composed of the hinge and the hinge cover, the joint may be cylindrical, with the cylindrical portion being inserted through one opening to fix the hinge, and one end of the shaft being inserted through the other opening to support it.
[0012] In this case, the joint has one or more holes that are drilled toward the shaft to be fitted and have a female screw groove formed on an inner circumferential surface, a male screw having a male screw groove that screws into the female screw groove of the hole, The male screw may be screwed into the hole, and a tip of the male screw may press against a peripheral surface of the fitted shaft, thereby causing the connecting member to support one end of the shaft.
[0013] On the other hand, the sling of the present invention comprises the above-described shaft mounting member of the present invention, a shaft having one end supported by the mounting member; A hanging ring portion for hanging an object is provided at the other end and / or midway of the shaft.
[0014] The hanging device of the present invention includes a hanger pipe for hanging an object, The shaft mounting member of the present invention described above, a shaft having one end supported by the mounting member; A connecting member that connects and supports the hanger pipe substantially horizontally to the lower end or middle of the shaft; has. Effect of the Invention
[0015] According to the present invention, it is possible to provide a shaft mounting member that allows a shaft supported in a hanging state to tilt diagonally when a lateral load is applied to the shaft, but which tends to maintain the hanging state when there is no lateral load, as well as a suspender and hanging device using the same. [Brief description of the drawings]
[0016] [Figure 1] 1 is a front view of a shaft mounting member and a shaft mounted thereon according to an embodiment of the present invention. FIG. [Diagram 2] FIG. 2 is an exploded perspective view of components of a shaft mounting member according to an embodiment of the present invention, disassembled in the central axis direction. [Diagram 3] 2 is an enlarged longitudinal sectional view taken along a plane including a central axis of a mounting member for a shaft according to an embodiment of the present invention. FIG. [Figure 4] 1 is an exploded longitudinal sectional view of components of a shaft mounting member according to an embodiment of the present invention, disassembled in the central axis direction. FIG. [Diagram 5] 1A and 1B are longitudinal cross-sectional views showing a state in which a lateral external force is applied to a shaft attached to a shaft mounting member according to an embodiment of the present invention, where (a) shows a state in which an external force is applied from right to left, and (b) shows a state in which an external force is applied from left to right. [Figure 6] FIG. 1 is a front view showing an example of a hanging device using a shaft mounting member according to an embodiment of the present invention. [Figure 7] 1 is a longitudinal sectional view taken along a plane including the central axis of a sling using a shaft mounting member according to an embodiment of the present invention. FIG. [Figure 8] FIG. 1 is a perspective view showing an example of a hanging device using a shaft mounting member according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0017] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. Fig. 1 is a front view of a shaft mounting member according to an embodiment of the present invention and a shaft mounted thereon. Fig. 2 is an exploded perspective view of components of the shaft mounting member according to an embodiment of the present invention, disassembled in the central axis direction. Fig. 3 is an exploded longitudinal sectional view of components of the shaft mounting member according to an embodiment of the present invention, disassembled in the central axis direction. Fig. 4 is an exploded longitudinal sectional view of components of the shaft mounting member according to an embodiment of the present invention, disassembled in the central axis direction.
[0018] In this embodiment, up and down means up and down in the direction of gravity, and "horizontal" or "horizontal plane" means a plane perpendicular to the direction of gravity. However, "horizontal" or "horizontal plane" does not have to be exactly perpendicular to the direction of gravity, and the concept includes not only planes that can be said to be approximately horizontal, but also planes that are somewhat inclined as long as the inclination is sufficient to realize the present invention.
[0019] The shaft mounting member (hereinafter sometimes simply referred to as the "mounting member") 1 according to this embodiment supports the shaft 2 in a hanging state on a ceiling surface 3, which is an example of a mounting target surface. Note that in the present invention, the mounting target surface is not limited to a ceiling surface, and may be any horizontal surface facing downwards in a member or part capable of supporting a shaft, such as a beam or lintel of a structure, an attic, or a top surface inside furniture.
[0020] As shown in Figures 1 to 4, the mounting member 1 in this embodiment specifically comprises a base 11 to be attached to a ceiling surface 3, a joint 12 that supports one end (upper end) of the shaft 2 from below, a hinge 13 fixed to the upper side of the joint 12, a hinge cover 15 fixed to the base 11, a pivot 14 having shaft portions 141, 143 and a curved tip portion 142, and a coil spring 16 that biases the pivot 14 toward the base 11.
[0021] The base 11 has a disk-shaped base 111 and a cylindrical portion 112 that rises concentrically downward. The base 111 has four screw holes 115 at equally spaced positions in the circumferential direction and point-symmetrically about a point on the axis X. Wood screws (not shown) are passed through these holes and screwed into the ceiling surface 3, so that the base 11 is fixed and attached to the ceiling surface 3.
[0022] An annular flat surface 113 is provided on the inner periphery side of cylindrical portion 112 on the lower surface (the lower surface facing downward) of base 111, and a recess 114 is provided in the center of annular flat surface 113. On the outer periphery side of cylindrical portion 112 of base 111, and further inward than the region in which four screw holes 115 are located, four bolt holes 116 are provided at positions that are point symmetric and equally spaced in the circumferential direction.
[0023] The hinge 13 has a cylindrical portion 131 that protrudes upward in the direction of axis X from the joint 12, and a curved protruding portion 132 that is connected to the cylindrical portion 131 and has a part of its outer circumferential surface that is spherical with a center point O that overlaps with the central axis (the same as the axis X) of the cylindrical portion 131. The hinge 13 also has a hole portion 133 that is recessed downward from the upper end of the curved protruding portion 132 in the direction of axis X, and a screw hole 134 provided at the lower end of the cylindrical portion 131.
[0024] The hole 133 in the hinge 13 has a large inner diameter portion 135 on the upper side in the axial direction, a small inner diameter portion 136 below the large inner diameter portion 135 and having an inner diameter smaller than that of the large inner diameter portion 135, and an inner diameter step portion 137 connecting the large inner diameter portion 135 and the small inner diameter portion 136. The large inner diameter portion 135 and the small inner diameter portion 136 are cylindrical cavities with the axis X as their central axis, and extend from the upper end of the hinge 13 to a region below the center in the axial direction. The small inner diameter portion 136 is connected below the large inner diameter portion 135, and has a length in the axial direction shorter than that of the large inner diameter portion 135.
[0025] The shaft portions 141, 143 of the pivot 14 have a large outer diameter portion 143 on the upper side in the axial direction X, a small outer diameter portion 141 below the large outer diameter portion 143, and an outer diameter step portion 144 connecting the large outer diameter portion 143 and the small outer diameter portion 141. The large outer diameter portion 143 has an outer diameter that allows it to fit into the large inner diameter portion 135 of the hole portion 133 of the hinge 13 and to move in the axial direction X. On the other hand, the small outer diameter portion 141 has an outer diameter that allows it to fit into the small inner diameter portion 136 of the hole portion 133 of the hinge 13 and to move in the axial direction X.
[0026] The pivot 14 and the coil spring 16 are housed in the hole 133 of the hinge 13. More specifically, the small outer diameter portion 141 of the shaft of the pivot 14 is inserted into the coil spring 16, and is housed in a compressed state in the hole 133. An upper end 161, which is one end of the coil spring 16, abuts against the outer diameter step portion 144, and a lower end 162, which is the other end, abuts against the inner diameter step portion 137.
[0027] The hinge cover 15 has a ring portion 153 having a circular opening 156, a cylindrical tubular portion 152 rising upward from the outer periphery of the ring portion 153, and an annular flange portion 151 protruding outward at the upper end of the tubular portion 152. The flange portion 151 has four screw holes 154 at equally spaced circumferential positions symmetrical with respect to a point on the axis X as the center, and bolts 155 pass through these holes and are screwed into bolt holes 116 of the base 11 to fix the hinge cover 15 to the base 11.
[0028] The diameter of the circular opening 156 in the hinge cover 15 is smaller than the diameter of the sphere on the outer circumferential surface of the curved protruding portion 132 and larger than the diameter of the cylindrical portion 131. The hinge cover 15 holds the hinge 13 with the cylindrical portion 131 fitted into the circular opening 156, with the curved protruding portion 132 positioned above (one side) the circular opening 156 and the cylindrical portion 131 positioned below (the other side).
[0029] The outer peripheral surface of the curved protrusion 132 of the hinge 13 comes into contact with and can slide against the opening edge 156' of the circular opening 156. Therefore, the outer peripheral surface of the curved protrusion 132 of the hinge 13 slides against the opening edge 156' of the circular opening 156, so that the central axis of the hinge 13 can be tilted at an angle from the axis X, i.e., can be swung, with point O as the center point.
[0030] The angle (θ° in FIG. 5 described later) of the central axis of hinge 13 that can be tilted from axis X around point O is limited; however, the direction of tilt can be any angle of 360° due to the structural characteristics of the combination of circular opening 156 and curved protrusion 132.
[0031] The inner diameter of the opening edge 156' of the circular opening 156 has a tapered shape that gradually increases in diameter from the lower end to the upper end. Therefore, the opening edge 156' is in surface contact with the outer circumferential surface of the curved protruding portion 132, and is capable of firmly supporting the hinge 13 (and further the joint 12, shaft 2, etc. supported thereby).
[0032] From the standpoint of stable support of the hinge 13, it is more preferable that the inner shape of the opening edge 156' of this circular opening 156 be a curved shape that corresponds to the outer peripheral surface of the curved protrusion 132 (when we say ``corresponding curved shape,'' this is a concept that broadly includes anything from a curved shape that completely follows to a curved shape that approximately follows).
[0033] The hinge cover 15 is fixed to the base 11 with its upper side (one side) facing up. Then, as shown in FIG. 2, the curved protruding portion 132 of the hinge 13, the coil spring 16, and most of the pivot 14 are contained in the space surrounded by the base 11 and the hinge cover 15.
[0034] In the mounting member 1 according to this embodiment, the "connection portion" according to the present invention is constituted by the hinge 13 and the hinge cover 15 (hereinafter referred to as the "connection portions 13, 15"). The connection portions 13, 15 constituted by the hinge 13 and the hinge cover 15 connect the joint 12 and the base 11 in a state in which the shaft 2 and the joint 12 can swing about a point O located below the lower surface of the base 11 as a fulcrum.
[0035] The inclination of the axis of the pivot 14 housed in the hole 133 of the hinge 13 coincides with that of the hinge 13, the joint 12 to which the hinge 13 is fixed, and the shaft 2 attached to the joint 12. Therefore, the axes of the shafts 141, 143 of the pivot 14 are adapted to incline in accordance with the swinging of the joint 12 etc.
[0036] The coil spring 16 sandwiched between the outer diameter step portion 144 and the inner diameter step portion 137 is maintained in a compressed state. Therefore, the pivot 14 abuts with its tip portion 142 biased against the lower surface of the base 11. The elastic force of the compressed coil spring 16 attempting to expand acts to bias the tip portion 142 of the pivot 14 against the lower surface of the base 11.
[0037] A recess 114 is provided at a location on the underside of the base 11 where the tip 142 abuts, and the tip 142 of the pivot 14 fits into the recess 114. That is, the tip 142 of the pivot 14 fits into the recess 114, and the hanging state of the components below the hinge 13 (the joint 12, the shaft 2, etc.) is stably maintained.
[0038] The joint 12 is cylindrical and has one opening 122 facing downward and the other opening 123 facing upward. In detail, the joint 12 is composed of an outer cylinder portion 121 that forms the outer peripheral surface, an inner cylinder portion 128 that is folded back at the upper end and formed inside the outer cylinder portion 121, and a bottom portion 129 that closes the lower end of the inner cylinder portion 128 that ends just before the lower end of the outer cylinder portion 121 in the axial X-line direction.
[0039] The inner circumferential surface continuing from the opening 123 is the inner circumferential surface of the inner cylinder portion 128, and the inner circumferential surface continuing from the opening 122 is the inner circumferential surface of the outer cylinder portion 121. The cylindrical portion 131 is fitted from the opening 123 to fix the hinge 13, and one end (upper end) of the shaft 2 is fitted from the opening 122 to support it.
[0040] In particular, a slit is formed between the inner peripheral surface of outer cylinder portion 121 and the outer peripheral surface of inner cylinder portion 128, forming insertion port 122' into which the pipe of shaft 2 is inserted. The slit of insertion port 122' has its upper end at the folded-back portion of outer cylinder portion 121 and inner cylinder portion 128, against which the upper end of the inserted shaft 2 abuts, thereby serving as a positioning means for shaft 2.
[0041] A screw hole 126 is formed in a bottom portion 129 of the joint 12, centered on the axis X. A screw 127 is inserted through this screw hole 126 and screwed into a screw hole 134, thereby fixing the hinge 13 to the upper side of the joint 12. The hinge 13 and the joint 12 are fixed to each other before the shaft 2 is fitted into the opening 122 of the joint 12 (inserted into the insertion hole 122').
[0042] The outer cylinder 121 of the joint 12 is formed with a hole 124 having a female screw groove formed on its inner circumferential surface. The hole 124 is provided in a cylindrical protrusion 124' that rises from the outer surface of the outer cylinder 121 in order to ensure the length of the female screw groove. The hole 124 is drilled toward the shaft 2 that is fitted into the opening 122. A male screw 125 having a male screw groove that screws with the female screw groove formed in the hole 124 is screwed into the hole 124.
[0043] When the male screw 125 is screwed into the hole 124 with one end of the shaft 2 fitted into the opening 122 in the joint 12 (inserted into the insertion port 122'), the tip of the male screw 125 protrudes from the inner circumferential surface of the outer tube portion 121 and presses against the circumferential surface of the shaft 2. One end (upper end) of the shaft 2 is fixed to and supported by the joint 12 by the pressing force of the male screw 125.
[0044] 1 and 3 show a shaft 2 attached to the mounting member 1 of this embodiment and supported in a suspending state under normal conditions. For example, when used as a sling or hanging device described below, a force pushing or pulling in the front-to-rear direction is applied when suspending an object, and a lateral external force may act on the shaft 2. The mounting member 1 of this embodiment is capable of tilting obliquely when a load is applied laterally to the shaft 2 supported in a suspending state, but when there is no lateral load, the shaft 2 is easily maintained in a suspending state.
[0045] Hereinafter, the operation and effect of this embodiment, in which the shaft 2 is capable of tilting obliquely but is likely to maintain a drooping state when there is no lateral load, will be described with reference to FIG. 5. FIG. 5 is a longitudinal cross-sectional view showing a state in which a lateral external force acts (a load is applied from the lateral direction) on a shaft 2 attached to a shaft mounting member 1 in this embodiment, where (a) shows a state in which an external force acts from right to left, and (b) shows a state in which an external force acts from left to right.
[0046] When an external force acts from right to left, the shaft 2 is pushed to the left and tends to tilt diagonally, as shown in Fig. 5(a). The mounting member 1 to which the shaft 2 is fixed also tends to tilt in the same direction together with the shaft 2, but as described above, the outer peripheral surface of the curved protruding portion 132 rubs against the opening edge 156' of the circular opening 156, causing the central axis of the hinge 13 to tilt at an angle from the axis line X.
[0047] At this time, the elastic force of the compressed coil spring 16 acts to bias the tip 142 of the pivot 14 while it is fitted into the recess 114, and there is a threshold value for the magnitude of the external force (load) required for the tip 142 of the pivot 14 to escape from the state where it is fitted into the recess 114. When the external force applied from right to left exceeds this threshold value and the tip 142 of the pivot 14 begins to escape from its original position to the right, the central axis of the hinge 13 tilts at an angle from the axis X. The external force from right to left on the shaft 2 is attenuated by the strength of the external force required to exceed this threshold value.
[0048] Therefore, when an external force acts from right to left, the above action allows the axis of the shaft 2 in this embodiment to tilt obliquely from the axis X in the hanging state to the axis Xa in the tilted state, as shown in Fig. 5(a). Therefore, the load from the lateral direction is reduced, and the effect thereof can be suppressed.
[0049] In addition, when an external force exceeding a threshold load is applied to cause the tip 142 of the pivot 14 to deviate from the state where it is fitted into the recess 114, the pivot 14 and the shaft 2 tilt at that moment, giving a clicking sensation. Therefore, when the user feels the clicking sensation, he or she can recognize that excessive or strong force has been applied in the lateral direction.
[0050] On the other hand, when the external force acting is eliminated and the lateral load is released, a biasing force acts on the tip 142 of the pivot 14, which has been displaced from its original position to the right, in the recess 114 due to the elastic force of the coil spring 16. Gravity also acts to return the shaft 2 and the hinge 13, etc., to a vertical state. The biasing force of the elastic force of the coil spring 16 and the gravity to return the shaft 2 and the hinge 13, etc., to a vertical state return the shaft 2 to the position of the axis X in the hanging state.
[0051] When shaft 2 returns to the position on axis X in the drooping state, the user can feel a clicking sensation as tip 142 of pivot 14 fits into recess 114. Furthermore, unless an external force exceeding a threshold load is applied, tip 142 of pivot 14 will not deviate from the state in which it is fitted into recess 114, so that the drooping state of shaft 2 is likely to be maintained when there is no lateral load.
[0052] On the other hand, when an external force is applied from left to right, the shaft 2 can tilt obliquely in the opposite direction to the case shown in Fig. 5(a) above. Although detailed operation will be omitted, in this case, as shown in Fig. 5(b), the outer peripheral surface of the curved protrusion 132 rubs against the opening edge 156' of the circular opening 156, and the central axis of the hinge 13 is tilted at an angle from the axis line X.
[0053] Then, when the external force acting from left to right is released and the lateral load becomes unloaded, the shaft 2 returns to its hanging position on the axis X due to the action of the elastic force of the coil spring 16 and the action of gravity which tends to return the shaft 2 and hinge 13, etc., to a vertical state.
[0054] 5, for convenience, a case where a lateral external force acts from directions (opposite directions) that are 180° apart on the left and right is illustrated as an example, but the present invention is not limited to this. That is, in the mounting member 1 of this embodiment, which is configured so that the hinge 13 can be freely tilted at any angle relative to the hinge cover 15 by the spherical curved protruding portion 132 and the circular opening 156, the axis of the shaft 2 can be tilted obliquely in the same manner when the shaft 2 receives an external force from any lateral direction of 360°.
[0055] Therefore, even if a lateral external force acts on the shaft 2, for example, due to a person bumping into it, the axis of the shaft 2 tilts obliquely, mitigating the effect of the external force. Then, after the external force is eliminated and the lateral load becomes unloaded, the shaft 2 returns to the hanging state due to the action of the elastic force of the coil spring 16 and the action of gravity that tries to return the shaft 2 and the hinge 13, etc. to the vertical state.
[0056] The maximum value of the angle between the axis X in the hanging state and the axis Xa in the tilted state, i.e., the inclination angle θ of the axis of the shaft 2 (see Figures 5(a) and 5(b)), is determined by various conditions such as the relationship between the size and shape of the curved protrusion 132 and the circular opening 156, the distance between the curved protrusion 132 and the upper end of the joint 12 (the state of interference between the two), and the space enclosed by the base 11 and the hinge cover 15.
[0057] By increasing the maximum value of the inclination angle θ of the shaft 2, it is possible to increase resistance to external forces from the lateral direction. Increasing the maximum value of the inclination angle θ of the shaft 2 tends to increase the size of the mounting member 1, so it is preferable to design it appropriately within a practical range. There is no preferred range or restriction for the maximum value of the inclination angle θ of the shaft 2, but it is selected from the range of approximately 1° to 20°.
[0058] The strength of the clicking sensation when tip 142 of pivot 14 is deviated from a state in which it is fitted into recess 114, or when it is fitted back into recess 114 from a deviated state, can be adjusted by adjusting the elastic force of coil spring 16, controlling the relationship between the shape of tip 142 of pivot 14 and recess 114, etc.
[0059] The clicking sensation can be made stronger by using a coil spring 16 with stronger elasticity or in a more compressed state, while the clicking sensation can be made weaker by using a coil spring 16 with weaker elasticity or in a less compressed state.
[0060] Also, the clicking sensation can be made stronger by fitting the tip 142 of the pivot 14 and the recess 114 tightly together in the normal state (when the shaft 2 is in a hanging state) and making it necessary to overcome a step when departing. Also, by making the step larger and steeper, the clicking sensation can be made stronger. Conversely, the clicking sensation can be made weaker by loosening the fitting between the tip 142 of the pivot 14 and the recess 114 in the normal state, making the step when departing gentler, or even making it slope-shaped without any step.
[0061] In the shaft mounting member 1 according to this embodiment, the shaft 2 is detachable (can be attached and removed freely). Therefore, by simply preparing the same mounting member 1 (including all cases including attaching the mounting member to the mounting surface in advance, preparing a single mounting member that does not include a shaft in the lineup of products to be sold, and further preparing multiple types of sets of a single mounting member and different types of shafts), it is easy to combine with shafts of different lengths, shapes, etc., or to change the type.
[0062] The mounting member 1 according to the present embodiment described above can itself be used as a hanging device, for example, by attaching a shaft having a ring-shaped hanging loop at its lower end or midway to a ceiling surface 3 or the like. Fig. 6 is a front view showing an example of a suspender using the mounting member 1 according to the present embodiment, and Fig. 7 is a vertical cross-sectional view taken along a plane including the central axis of the suspender using the mounting member 1 according to the embodiment of the present invention.
[0063] As shown in Figures 6 and 7, it has a mounting member 1 and a shaft 2 whose one end is supported by the mounting member 1, and the other end (lower end) of the shaft 2 is provided with a hanging ring portion 7 for hanging an object, so that it can be used as a hanging device. The hanging ring part 7 is composed of a cylindrical fixed part 71 and an annular part 72 fixed to the lower end of the cylindrical fixed part 71. The upper part of the fixed part 71 is open, and the lower end of the shaft 2 is inserted and stopped at the closed lower end to be positioned.
[0064] The fixed part 71 has two holes 714a, 714b with female screw grooves formed on the inner circumferential surface, similar to the hole 124 in the outer cylinder part 121 of the joint 12. The holes 714a, 714b are drilled toward the shaft 2 that is fitted into the fixed part 71. Male screws 715a, 715b, which have male screw grooves that screw into the female screw grooves formed in the holes 714a, 714b, are screwed into the holes 714a, 714b, respectively.
[0065] Near the lower end of shaft 2, constricted portion 25 is formed, which is recessed and narrowed over the entire circumference, and continuing from constricted portion 25 to the lower end, forms neck portion 26 of the same diameter as straight pipe portion 21 above constricted portion 25. When the lower end of shaft 2 fitted into fixing portion 71 is positioned by abutting against the closed lower end, constricted portion 25 comes into a position opposite the tip of male thread 715a.
[0066] In this state, when the male screws 715a, 715b are screwed into the holes 714a, 714b, their tips protrude from the inner circumferential surface of the fixing part 71 and press against the circumferential surface of the shaft 2. The pressing force of the male screws 715a, 715b fixes the fixing part 71 to the lower end of the shaft 2, and the hanging ring part 7 is provided on the shaft 2.
[0067] At this time, the tip of the male screw 715a screwed into the hole 714a protrudes so as to fit into the necked portion 25 of the shaft 2 and presses the shaft 2, and the fixing portion 71 is firmly fixed so as not to cause up and down movement. On the other hand, the tip of the male screw 715b screwed into the hole 714b protrudes onto the outer peripheral surface of the straight tube portion 21 of the shaft 2 and presses and holds down the shaft 2. In other words, the male screw 715a restricts the up and down movement of the hanging ring portion 7, while the male screw 715a and the male screw 715b fix the entire hanging ring portion 7 to the shaft 2.
[0068] The hanging tool configured as described above can be used by hanging, for example, a clothes or laundry hanger, or one end of a clothesline pole 8 as shown in Fig. 7, from the annular portion 72 of the hanging ring portion 7 provided on the shaft 2. When using it to hang a clothesline pole 8, another hanging tool can be prepared to make a pair, and both ends of the clothesline pole 8 can be hung from the annular portion 72 of the hanging ring portion 7 to bridge the two.
[0069] 6 and 7, when a lateral external force acts on the object to be hung, such as clothing or a clothesline pole 8, or on the shaft 2, the shaft 2 can tilt diagonally. Therefore, the entire hanging device bends diagonally relative to the surface to which it is attached, such as the ceiling, reducing the lateral load and suppressing its effects.
[0070] Furthermore, with the hanging device of the example of Figures 6 and 7, when an external force exceeding the threshold load required to tilt the shaft 2 etc. is applied, the user feels a clicking sensation, enabling the user to recognize that excessive or strong force has been applied in the lateral direction to the shaft 2 etc.
[0071] Then, when the applied external force is released and the lateral load is removed, shaft 2 returns to the hanging position, and the entire suspending device also returns to its normal shape (a shape in which the entire suspending device is not bent). A clicking sensation can be given to the user when shaft 2 returns to the drooping position on axis X. In addition, since shaft 2 will not tilt unless an external force exceeding a threshold load is applied laterally, the drooping state of shaft 2 is easily maintained when there is no lateral load.
[0072] 6 and 7, the hanging ring 7 is provided only at the lower end of the shaft 2, but a hanging device using a shaft mounting member of the present invention is not limited to this. That is, the hanging ring may be provided at two or more locations in total, at the lower end of the shaft and at one or two or more intermediate locations, or may be provided only at one or two or more intermediate locations.
[0073] Furthermore, the mounting member 1 according to this embodiment can be used together with the shaft 2 as a component for supporting a hanger pipe as part of a so-called hanging device. FIG. 8 is a perspective view showing an example of a hanging device 100 using the mounting member 1 according to this embodiment.
[0074] 8, the hanging device 100 comprises a hanger pipe 5 used for hanging objects, a pair (two pieces) of left and right mounting members 1 according to this embodiment, a pair (two pieces) of shafts 2 one end of which is supported by each mounting member 1, and a pair (two pieces) of connecting members 4 that support the end of the hanger pipe 5 at the lower end of each shaft 2. The pair of connecting members 4 support both the left and right ends of the hanger pipe 5 and hold it approximately horizontally. The pair, i.e., the two (pieces) of mounting member 1, shaft 2 and connecting member 4, each have the same configuration, and therefore, for convenience, one item will be described below.
[0075] The mounting member 1 has a base 11 attached to the ceiling surface 3, which is the mounting target surface, with wood screws or the like, and one end of the shaft 2 is inserted into and supported by a joint 12. That is, the mounting member 1 according to this embodiment mounts the shaft 2 to the ceiling surface 3 in a hanging state.
[0076] The connecting member 4 is not particularly limited, and examples thereof include a configuration having an upward socket portion into which the lower end of the shaft 2 fits and a horizontal socket portion into which the end of the hanger pipe 5 fits, and having means for preventing each from coming loose, such as a screw fastening means.
[0077] In the hanging device 100 of the example in Fig. 8, the connecting member 4 is provided only at the lower end of the shaft 2, but the present invention is not limited to this. That is, the connecting member may be provided, for example, in the middle of the shaft 2 to support the hanger pipe there, or a total of multiple connecting members may be provided at one or more points in the middle and at the lower end to support multiple hanger pipes. In this case, the connecting member provided in the middle and the connecting member provided at the lower end have different shapes, structures, etc., depending on their functions.
[0078] The hanger pipe 5 is a straight pipe with a generally rectangular cross section and rounded top and bottom surfaces. An object to be hung, such as a flowerpot 6 in the example of Fig. 8, is hung from the hanger pipe 5 and used as a hanging device. The hanger pipe 5 is made of a material such as aluminum or resin. The peripheral surface of the hanger pipe 5 may be treated with an anti-slip coating to prevent the object to be hung from slipping or falling off.
[0079] In the hanging device 100 of the example in Figure 8, the hanger pipe 5 is exemplified as having a roughly rectangular cross-section which is highly aesthetically pleasing and practical; however, the hanger pipe may also be a straight pipe with a circular cross-section like a typical clothesline pole, or it may even be a solid rod that is not tubular (for example, a wooden rod) (in other words, in this invention, the concept of "hanger pipe" includes any rigid object).
[0080] 8, when a lateral external force acts on the hanging object such as the flowerpot 6, the hanger pipe 5, or the shaft 2, the shaft 2 can tilt obliquely. Therefore, the entire hanging device 100 bends obliquely relative to the attachment point on the ceiling surface 3, reducing the lateral load and suppressing its effects.
[0081] Furthermore, according to the hanging device 100 of the example of Figure 8, when an external force exceeding the threshold load required to tilt the shaft 2 etc. diagonally is applied, the user feels a clicking sensation and is able to recognize that excessive or strong force has been applied to the shaft 2 etc. in the lateral direction.
[0082] Then, when the applied external force is released and the lateral load is removed, shaft 2 returns to the hanging position, and the entire hanging device 100 also returns to a normal shape (a shape in which the entire device is not bent). The user can also feel a clicking sensation when shaft 2 returns to the drooping position on axis X. Furthermore, unless an external force exceeding a threshold load is applied, shaft 2 is likely to maintain the drooping state when there is no lateral load.
[0083] Although the shaft mounting member and the hanging device using the same of the present invention have been described above with reference to preferred embodiments, the shaft mounting member and the hanging device using the same of the present invention are not limited to the configurations of the above embodiments. For example, in the above embodiment, the shaft 2 is fixed to the mounting member 1 by pressing the circumferential surface of the shaft 2 with the male screw 125, but any conventionally known method may be used.
[0084] In addition, in the above embodiment, the "connection portion" of the present invention is configured by the hinge 13 and the hinge cover 15 so that the shaft 2 and the joint 12 can be tilted to any angle of 360° with point O as the center point, but the configuration of the connection portion is not limited to this.
[0085] For example, a configuration in which the connection part is formed by a cylindrical body fixed to the base while being held horizontally at a position below the underside of the base, and a pipe inserted into this, a joint is connected to the circumferential surface of the pipe and hangs down, and the joint can be swung by rotating the pipe around the cylindrical body is applicable.
[0086] In this case, the axis common to the pipe and the cylinder serves as the fulcrum of the swing, and the pipe swings to draw a circular arc around the fulcrum. That is, in this case, the swing of the shaft etc. causes the lower end of the shaft to draw a straight line in a plan view (when viewed from above). On the other hand, in a configuration in which the shaft 2 etc. can be tilted in any direction through 360° as in the above embodiment, the swing causes the lower end of the shaft to draw a circular surface in a plan view.
[0087] In the present invention, the configuration of the connection part includes a wide range of configurations in which the figure drawn by the lower end of the shaft by swinging in a plan view can be a circular surface as in the above embodiment, to a straight line. Of course, the figure drawn by the lower end of the shaft by swinging in a plan view can be a middle ground between a circular surface and a straight line. Examples of the middle ground include a configuration that can draw two or more intersecting straight lines, a circular surface with a partial sector missing, a triangular, rectangular, star-shaped or other geometric surface, or any other geometric surface. Any of these configurations satisfies the "connection part" of the present invention, which allows the shaft and the joint to swing.
[0088] Regardless of the direction and magnitude in which the shaft and joint can swing, the tip of the pivot tilts in response to the swing in the swingable direction. Because the tip of the pivot is above the fulcrum of the swing, the abutment position on the underside of the base tries to move due to the swing. Then, a force acts on the tip of the pivot to move out of the state in which it is fitted into the recess provided on the underside of the base. Therefore, when a lateral external force that exceeds the threshold load required for the shaft or the like to tilt diagonally acts, the user is given a clicking sensation and the shaft can tilt diagonally.
[0089] On the other hand, when the applied external force is released and the lateral load is removed, the shaft returns to the drooping position. A clicking sensation can be given to the user when the shaft returns to the drooping position. In addition, since the shaft will not tilt unless an external force exceeding a threshold load is applied from the side, the shaft is likely to maintain the drooping state when the lateral load is removed.
[0090] In the above embodiment, an example is given in which the recess 114 provided on the lower surface of the base 11 is relatively large, and even if the shaft 2 is tilted by an external force from the lateral direction, the tip 142 of the pivot 14 does not completely deviate from the recess 114, but the present invention is not limited to this. For example, a configuration in which the recess 114 is sufficiently small compared to the tip 142, and the tip 142 of the pivot 14 completely deviates from the recess 114 when the shaft 2 is tilted by an external force from the lateral direction, may also be used.
[0091] In this case, the tip 142 of the pivot 14 that has deviated from the recess 114 comes into contact with the annular plane 113 around the recess 114. Even in this case, the shaft 2 returns to the hanging state due to the action of gravity that causes the shaft 2, hinge 13, etc. to return to a vertical state, and the user can be given a clicking sensation when the tip 142 of the pivot 14 fits into the recess 114 when returning. In addition, the action and effect of the tip 142 of the pivot 14 not coming out of the state where it is fitted into the recess 114 is the same as in the case of this embodiment, so that when there is no load from the lateral direction, the hanging state of the shaft 2 is easily maintained.
[0092] In addition, those skilled in the art can appropriately modify the shaft mounting member of the present invention and the sling and hanging device using the same in accordance with conventional knowledge. As long as the configuration of the present invention is still provided even after such modifications, they will of course be included in the scope of the present invention. [Explanation of symbols]
[0093] 1...Mounting member (mounting member for shaft), 2...Shaft, 3...Ceiling surface (mounting target surface), 4...Joint, 5...Hanger pipe, 6...Flower pot (object to be hung), 7...Hanging ring portion, 8...Clothesline pole, 11...Base, 12...Connecting member, 13...Hinge (part of "connection portion"), 14...Pivot, 15...Hinge cover (part of "connection portion"), 16...Coil spring, 21...Straight pipe portion, 25...Narrowed portion, 26...Neck portion, 71...Fixing portion 71, 72...Annular portion 72, 100...Hanging device, 111...Base, 112...Cylindrical portion, 113...Annular flat surface (lower surface), 114...Recess, 115...Screw hole, 116...Bolt hole, 121...Outer cylinder portion, 122...Opening (one opening), 122'...Insertion port , 123...opening (the other opening), 124...hole, 124'...projection, 125...male thread, 126...screw hole, 127...screw, 128...inner cylinder, 129...bottom, 131...cylindrical portion, 132...curved protruding portion, 133...hole, 134...screw hole, 135...large inner diameter portion, 136...small inner diameter portion, 137...inner diameter step portion, 141...small outer diameter portion (the "shaft" part of the "shaft portion"), 142...tip portion, 143...large outer diameter portion (part of the "shaft portion"), 144...outer diameter step portion, 151...flange portion, 152...cylindrical portion, 153...ring portion, 154...screw hole, 155...bolt, 156...circular opening, 156'...opening edge, 161...upper end portion, 162...lower end portion, 714a, 714b...hole portion, 715a, 715b...male screw
Claims
1. A shaft mounting member that supports a shaft in a hanging state on a mounting target surface, A base is attached to the mounting surface and has a lower surface facing downward; a joint supporting one end of the shaft from below; a connection portion that connects the joint and the base such that the shaft and the joint can swing about a fulcrum at a position lower than the lower surface of the base; a pivot having a shaft portion and a curved tip portion, the shaft portion being inclined in response to the swinging of the joint, and the tip portion being biased against the lower surface of the base; Equipped with A shaft mounting member, the lower surface of which is provided with a recess into which the tip portion fits at a location where the tip portion abuts.
2. The connection portion is a hinge including a columnar portion fixed to an upper side of the joint and protruding from the joint in an axially upward direction, and a curved protruding portion connected to the columnar portion, the curved protruding portion having an outer circumferential surface that is partly spherical with a center point overlapping a central axis of the columnar portion; a hinge cover having a circular opening with a diameter smaller than the diameter of the sphere on the outer circumferential surface of the curved protrusion and larger than the diameter of the cylindrical portion, the cylindrical portion being fitted into the circular opening to hold the hinge with the curved protrusion on one side and the cylindrical portion on the other side of the circular opening, and fixed with the one side facing the base; The shaft mounting member of claim 1 , comprising:
3. The hinge has a hole recessed downward from an upper end in the axial direction, The shaft mounting member according to claim 2 , wherein the shaft portion of the pivot is received in the hole portion.
4. a coil spring into which the shaft portion of the pivot is inserted and which is accommodated in the hole portion in a compressed state; The biasing force that biases the tip end of the pivot to the lower surface is generated by the elastic force of the coil spring.
4. The shaft mounting member according to claim 3,
5. the hole portion has a large inner diameter portion on an upper side in the axial direction, a small inner diameter portion below the large inner diameter portion and having an inner diameter smaller than that of the large inner diameter portion, and an inner diameter step portion connecting the large inner diameter portion and the small inner diameter portion, the shaft portion of the pivot has a large outer diameter portion that can be fitted into the large inner diameter portion at an upper side in the axial direction and can move in the axial direction, a small outer diameter portion that can be fitted into the small inner diameter portion at a lower side of the large outer diameter portion and can move in the axial direction, and an outer diameter step portion that connects between the large outer diameter portion and the small outer diameter portion, The small outer diameter portion is inserted into the coil spring, 5. The shaft mounting member according to claim 4, wherein one end of the coil spring abuts against the outer diameter step portion and the other end abuts against the inner diameter step portion.
6. The joint is cylindrical, the cylindrical portion is fitted into one opening to fix the hinge, and one end of the shaft is fitted into the other opening to support it. A shaft mounting member as described in any one of claims 2 to 5.
7. The joint has one or more holes that are drilled toward the shaft to be fitted and have a female screw groove formed on an inner circumferential surface, a male screw having a male screw groove that screws into the female screw groove of the hole, 7. The shaft mounting member according to claim 6, wherein the male screw is screwed into the hole and a tip of the male screw presses against a peripheral surface of the fitted shaft, thereby supporting one end of the shaft with the joint.
8. A shaft mounting member according to any one of claims 1 to 7; a shaft having one end supported by the mounting member; A hanging device in which a hanging ring portion for hanging an object is provided at the other end and / or midway of the shaft.
9. A hanger pipe for hanging things; A shaft mounting member according to any one of claims 1 to 7; a shaft having one end supported by the mounting member; A connecting member that connects and supports the hanger pipe substantially horizontally to the lower end or middle of the shaft; A hanging device having the above structure.
Citation Information
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