JP3164971U - Folding roof - Google Patents

Abstract

An object of the present invention is to provide a roof that can be folded with a simple configuration that is difficult to touch the dirty outer surface of the roof in a folded state. SOLUTION: A roof 1 loosely fits cap members 71 to 74 to extending end portions of bone members 61 to 64 rotatably connected to a potter's wheel member 4 having a dish-like support member 7 attached to the lower surface thereof. The top portions 21a to 24a of the roof sheet 2 having elasticity are sewn to the cap members 71 to 74, respectively. The roof 1 is folded by rotating the bone members 61 to 64 in the direction opposite to the support member 7, and the outer surface of the roof sheet 2 is folded inward. When the roof 1 is opened, each of the bone members 61 to 64 is pressed against the support member 7 by the stretching of the roof sheet 2 and the opened state is maintained. [Selection] Figure 2

Description

  The present invention relates to a foldable roof such as an umbrella, and in particular, simplifies a skeleton for folding and folds so that the outer surface of the roof is inside.

  Conventionally, in foldable roofs that are used for tents, simple covers, various covers, hoods, etc., there are those that refer to the so-called umbrella structure. Since the member corresponding to the central rod (sometimes gripped) becomes an obstacle, the structure relating to the middle rod is different from that of a general umbrella.

  For example, the following “fishing tent” in Patent Document 1, “Foldable Garden Cover” in Patent Document 2, and “Foldable Passenger Car Cover” in Patent Document 3 are all open, Use a center rod with a length that does not protrude from the receiving bone (the bone that connects the parent bone and the center rod) that is connected to the bone that sticks to the inner space. Closed from the open state so that the center rod slides (slides) inside the member (a member commonly referred to as “upper crossbones”) that connects a plurality of master bones at the center, so as not to be disturbed It can be folded to the state.

  Further, in the “foldable tent” of Patent Document 4 below, the upper end of the support rod corresponding to the center rod is detachable from the top cap corresponding to the upper cross, so that the state is closed from the open state. It can be folded up. Similarly, even in the “head-wearing umbrella” of Patent Document 5 below, the fitting cylinder portion corresponding to the center rod is detachable from the skyroof corresponding to the upper wheel, and is closed from the open state. I can fold it

JP-A-9-144383 Registered Utility Model No. 3008921 JP 2003-80953 A JP 2002-242487 A JP 2006-212139 A

  Since the foldable roofs according to Patent Documents 1 to 5 described above are all short but have a middle bar, a receiving bone for connecting the middle bar and the parent bone is also required. In addition, there is a problem that a structure equivalent to the above is required and a structure that requires rotation is provided at a connection portion of each member. In addition, the foldable roof according to Patent Documents 1 to 5 is such that the outer surface of the roof is exposed to the outside in the closed state, so that the outer surface is dirty with rain, dust, etc. when used in an open state. In the closed state, there is also a problem that the user can easily touch the dirt.

  The present invention has been made in view of such circumstances, and uses the contraction force of the roof fabric itself as a tension necessary for opening the roof and makes the opening and closing direction opposite to that of a normal umbrella. Accordingly, an object of the present invention is to provide a foldable roof that can be folded with a simple configuration and that is less likely to touch dirt on the outer surface of the roof in a closed state.

  In order to solve the above-mentioned problems, a foldable roof according to the present invention includes a potter's wheel member and a plurality of bones that extend radially from the potter's wheel member and are pivotally connected to the potter's wheel member so as to be opened and closed. In a foldable roof comprising a member and a roof sheet that covers the plurality of bone members from one side, a cap member loosely fitted to one end on the extending side of the plurality of bone members, and a state opened in an inclined posture A support member attached to the potter's wheel member so as to be in contact with the plurality of bone members, the roof sheet has elasticity, and a central portion of the roof sheet is the potter's wheel member Attached to the roof sheet, and the peripheral edge portion of the roof sheet is arranged so that the roof sheet is stretched when the plurality of bone members are opened in the inclined posture. The plurality of bones are attached to a member, and when the transition from the closed state so that the plurality of bone members are exposed to the open state of the inclined posture, the plurality of bones is caused by the tension generated by the tension of the roof sheet. The member is pressed against the support member.

  In the present invention, the open state of the roof is maintained by pressing each bone member against the support member with the tension by the tension of the roof sheet. In addition, the member called the receiving bone can be omitted, and the structure of the connecting portion where these members can be rotated can be omitted, and a foldable roof with an easy structure can be realized. Moreover, in the closed state, the plurality of bone members are folded so as to be exposed, and the outer surface of the roof sheet is folded inward, so that the user is less likely to touch the soiled outer surface.

  In the present invention, since the outer surface of the roof sheet is folded inward and opened from the closed state so that the plurality of bone members are exposed, the plurality of bone members are in the same plane and in a horizontal posture. After passing through the state, it is maintained in the opened state in the above-described inclined posture, and therefore, it is different from a general umbrella opening / closing method (opening / closing direction).

  In the foldable roof according to the present invention, a tube member is externally fitted to the end of the cap member on the loose fitting side, and the tube member extends from the end of the cap member to the bone member. The cap member is externally fitted so as to protrude in the direction.

  In the present invention, the tube member is externally fitted on the loose fitting side of the cap member, and the tube member protrudes from the cap member and is externally fitted to the bone member. Therefore, the overall length dimension of the object in which the cap member and the tube member are integrated. Becomes longer, which makes it difficult to remove the one-piece from the bone member. Further, since the tube member does not have the rigidity like the cap member in the projecting range, it is not hindered that the bone member bends or bends. The bone member can be bent smoothly. In order to prevent the occurrence of a situation in which the cap member loosely fitted to the bone member unexpectedly falls out even in various usage situations, the inner diameter of the protruding range of the tube member is set to the inner diameter of the cap member. It is preferable to make it smaller. By doing so, the tube member comes to externally fit the bone member tightly as compared with the cap member in the loosely fitted state, and when the roof is opened and closed, the tube member comes into contact with the bone member, and the cap member It comes to function as a retainer for preventing the bone member from coming off.

  Further, in the foldable roof according to the present invention, the support member is dish-shaped, and the surface in contact with the plurality of bone members is inclined in the same manner as the inclination according to the inclined posture of the plurality of bone members. It is characterized by having a surface.

  In the present invention, since the support member is formed in a dish shape, the rigidity of the support member is increased, and the plurality of bone members can be stably supported even when the plurality of bone members are strongly pressed. In addition, since the surface of the support member that contacts the plurality of bone members is inclined in the same manner as the inclined posture of the bone member, the bone member comes into contact with the support member in a line contact rather than a point contact. It can contribute to further stabilizing the support.

  The foldable roof according to the present invention is characterized in that a locking member for a mounting object is attached to the periphery of the roof sheet.

  In this invention, since the latching member was attached to the periphery of the roof sheet | seat, it can mount | wear now easily to the object which installs the foldable roof which concerns on this invention via a latching member. In addition, since the locking member is attached to the periphery of the roof sheet, when the locking member is locked to the mounting target, the roof sheet is spread and stretched even at the locking position of the locking member. It is easy to use the sheet by expanding it.

  Furthermore, the foldable roof according to the present invention is characterized in that an engagement projection for an attachment target is attached to the potter's wheel member.

  In the present invention, since the engagement protrusion is attached to the potter's wheel member, the potter's wheel member located at the center of the foldable roof according to the present invention can be engaged with the installation target and can be folded in a stable posture. You can use a simple roof. In addition, about attachment of an engaging protrusion, according to a specification etc., either attaching directly to a potter's wheel member or attaching indirectly by interposing another member may be applied.

  In the present invention, compared to the conventional foldable or roof, the members such as the center rod and the receiving bone can be omitted, and the structure in which these members are rotatably connected can be omitted, and the foldable roof has a simple structure. realizable. In addition, when the roof is closed, the outer surface of the roof sheet is folded inward so that a plurality of bone members are exposed, so that it is difficult for the user to touch the dirty outer surface when the roof is not used. Can be in a state.

  In the present invention, the tube member makes it difficult for the cap member to come out from the bone member, and does not hinder the bending of the bone member in the vicinity of the loose fitting portion with the cap member. The occurrence can be suppressed and the user can smoothly open and close the roof.

  In the present invention, since the rigidity of the support member is increased by making the support member into a dish shape, a plurality of open bone members can be reliably supported, and the open state of the roof can be stably maintained.

In the present invention, since the locking member is attached to the periphery of the roof sheet, it can be easily attached to the object on which the foldable roof according to the present invention is installed via the locking member. When stopped, the roof sheet is spread and stretched even at the locking portion of the locking member, so that the roof sheet can be greatly expanded and used.
Further, in the present invention, since the engagement protrusion is attached to the potter's wheel member, the potter's wheel member located at the central portion of the foldable roof according to the present invention can be engaged with the installation target, and has a stable posture. A foldable roof can be used.

It is a perspective view showing a wheelchair equipped with a roof according to the present invention. 1 is an exploded perspective view of a roof according to an embodiment of the present invention. FIG. 4 shows a wheel member, (a) is a schematic perspective view showing a portion related to the connection with the bone member, and (b) is a schematic cross-sectional view showing a main part showing the structure related to the connection with the bone member in a horizontal state. FIG. A cap member is shown, (a) is an exploded schematic diagram with a tube member etc. which fits in a cap member, and (b) is an important section sectional view which made the important section a section. The support member and the end plate are shown, (a) is an exploded perspective view, and (b) is a perspective view showing the assembled state. The open / closed state of the roof of the present embodiment is shown, (a) is a schematic view in a folded state (closed state), (b) is a schematic view in a state where the bone member is opened to a horizontal posture, and (c) is a schematic view. It is the schematic of the state opened in the attitude | position which inclined the bone member. (A) is the principal part sectional drawing which carried out the cross section of the principal part which shows the structure of the connection location of the bone member of the posture inclined in the open state, and the potter's wheel member, (b) is a horizontal attitude | position. It is principal part sectional drawing which shows the edge part and cap member of a bone member. It is a perspective view which shows the wheelchair which attached the frame bar. (A) is a schematic perspective view of the holder before attaching a frame bar, (b) is a schematic perspective view of a rear holder. It is a schematic perspective view which shows the state which attaches one frame bar to a rear holder. (A) is a schematic perspective view which shows the condition which latches the latching ring of a roof to the latching member attached to the frame bar, (b) shows that a latching member can move along a frame bar. FIG. It is a schematic perspective view which shows the center inner surface side of the roof with which the wheelchair was mounted | worn.

  FIG. 1 shows a state in which a roof 1 according to an embodiment of the present invention (corresponding to a “foldable roof” according to the present invention) is mounted on a wheelchair 100, and the roof 1 of the present embodiment is a wheelchair 100. It is a specification for the roof that can be attached to.

  As shown in FIG. 2, the roof 1 partially has the same structure as that of the conventional umbrella, and members corresponding to the “bottom wheel” and the “bone” are omitted as compared with the conventional umbrella. Further, the structure is characterized in that the support member 7 for supporting the bone members 61 to 64 corresponding to the “parent bone” of the conventional umbrella in an open state is provided, thereby closing the conventional umbrella. It is also characterized by the reverse direction. In the XYZ axes shown in FIG. 2, the X axis is an axis parallel to the axial direction of the bone members 61 and 63 in the horizontally opened state, and the Y axis is orthogonal to the X axis and horizontally opened. The Z-axis is an axis perpendicular to both the X-axis and the Y-axis. Further, the XYZ axes shown in FIG. 2 are axes in the same direction in other drawings. Hereinafter, the roof 1 of the present embodiment will be described in detail.

  The roof 1 has a potter's wheel member 4 at the center of the roof. The potter's wheel member 4 corresponds to an “upper potter's wheel” used in a conventional umbrella, and has the same shape / It has a structure.

  That is, as shown in FIG. 3A, the potter's wheel member 4 is basically a disc-shaped member having a thickness of about 5 mm to 8 mm, and a through-hole 4d that penetrates from the upper surface 4a to the lower surface 4b is formed at the center. In addition, a groove 4c is provided on the side surface along the entire circumference. Further, the potter's wheel member 4 has slits 41 to 44 formed radially at the four surrounding locations as connecting portions with the main bones 61 to 64. The potter's wheel member 4 is provided with a recess 4e for accommodating the knot of the wire 20 for connecting the bone members 61 to 64 on the side surface between the slit 42 and the slit 43.

  The bone members 61 to 64 (refer to FIGS. 2 and 3) that are rotatably connected to the potter's wheel member 4 and extend radially are rod-like members that can be elastically deformed. In this embodiment, the rods are made of synthetic resin. Of course, it is also possible to use metal. The bone members 61 to 64 have connecting members 51 to 54 attached to one end portion 61a or the like on the connection side with the potter's wheel member 4 or the like. The connecting members 51 to 54 are metal round bar-like members having a required rigidity, and have a flat plate shape so that the tip on the connecting side with the potter's wheel member 4 can be inserted into the slits 41 to 44 of the potter's wheel member 4. To form an insertion part 51a and the like (see FIG. 3A). And the through-hole 51b etc. for letting the wire 20 for a connection pass are formed in center locations, such as the insertion part 51a. In addition, since the connection members 51-54 are attached and fixed to the bone members 61-64, they correspond to a part of the bone members 61-64.

  4 (a) and 4 (b) are cap members that are one of cap members 71 to 74 (see FIG. 2) that are externally fitted to the other end portion 61b on the extending side of the bone members 61 to 64, and the like. 71 is shown. The cap member 71 is a metallic cylindrical member, and the inner diameter D3 is made larger by about 0.5 mm to about 1.0 mm than the outer diameter D1 of the bone member 61 and the like, whereby the extension of the bone member 61 is achieved. When externally fitted to the other end 61b on the side, the above-described gap of about 0.5 mm to about 1.0 mm is generated between the two, and the bone member 61 is loosely fitted. The cap member 71 has a tube member 81 fitted on one end 71a, and a protective cap 91 fitted on the other end 71b. Furthermore, the cap member 71 forms a through hole 71c for passing the thread T used when attaching the roof sheet 2 from the central portion in the longitudinal direction (axial direction) to the portion from the other end 71b (FIG. 7). (See (b)). Furthermore, the cap member 71 has a reduced-diameter portion 71d recessed at a location close to the one end 71a from the through hole 71c. The reduced diameter portion 71d is formed by caulking the outer periphery of the cap member 71, and the inner diameter dimension of the reduced diameter portion 71d is D4. The inner diameter D4 is the same as that of each bone member 61-64. It is smaller than the outer diameter D1 (D4 <D1).

  The tube member 81 that is externally fitted to the one end 71 a that is the loose fitting side of the cap member 71 uses a heat-shrinkable tube. The tube member 81 is externally fitted to one end 71 a of the cap member 71 about half of its entire length. By heating the entire tube in the state, the outer fitting side 81b is brought into close contact with the one end 71a of the cap member 71, and the portion protruding from the one end 71a (the protruding side 81a) has an inner diameter D2 at the cap member. It shrinks smaller than the inner diameter D3 of 71 (D2 <D3). However, the inner diameter D2 of the protruding portion of the tube member 81 is larger than the outer diameter D1 of the bone member so that the tube member 81 can externally fit the bone member 61. In addition, although the above demonstrated the tube member 81 attached to the cap member 71 loosely fitted by the bone member 61, it is the same structure as the above also about the tube members 82-84 attached to the other cap members 72-74. It has become.

  Furthermore, the protective cap 91 attached to the other end 71b of the cap member 71 is used to prevent the user of the roof 1 from directly touching the other end 71b of the metal cap member 71 to be injured. And the like so as not to enter the inside of the cap member 71. In addition, as shown in FIG. 2, the protective caps 92-94 are attached also to the other cap members 72-74.

  Next, the support member 7 shown in FIGS. 3B, 5A and 5B will be described. The support member 7 of the present embodiment is formed in a dish shape by plastically deforming a laminate having a required rigidity (in this embodiment, a laminate having a sandwich structure and a resin layer provided between metal layers). Something is used. As shown in FIG. 3 (b), the support member 7 is attached to the potter's wheel member 4 with the normal plate in use and upside down, and in this mounted state, the shape is dish-shaped. The outer surface 7a on the convex side is an inclined surface. In the present invention, the plastic deformation of the support member 7 is performed such that the outer surface 7a is inclined so as to be at an angle α with respect to the horizontal plane H (a plane parallel to the plane constituted by the X axis and the Y axis shown in FIG. 2). Processing has been done. In addition, the support member 7 forms a through hole 7c for allowing the screw 9 to pass through at a central portion (see FIG. 5A).

  As shown in FIG. 5A, the end plate 8 is arranged at the central portion of the concave surface 7 b that is the inner surface of the support member 7. The end plate 8 is a metal disk provided with a through hole 8a penetrating from the inner surface 8c to the outer surface 8b at the center, and serves as a member that reinforces the support member 7 so as to be securely fixed to the potter member 4. In addition, as will be described later, the end plate 8 itself is finally attached to the potter's wheel member 4 together. In addition, as shown in FIG. 1, the roof 1 according to the present embodiment is attached to the wheelchair 100, so that the positioning projections for positioning the frame bars 107 and 108 attached to the wheelchair 100 are used. These pins 12 to 15 are screwed so as to stand on the outer surface 8 b of the end plate 18. The pins 12 to 15 are synthetic resin rods, and the lengths of the pins 12 and 13 of one opposing pair are made shorter than the pins 14 and 15 of the other opposing pair to distinguish each pin. It is easy. These pins 12 to 15 are provided because the roof 1 is for the wheelchair 100, and therefore are not necessary depending on the use of the roof 1.

  Moreover, the roof sheet 2 of the roof 1 shown in FIG. 2 covers the bone members 61 to 64 that extend radially from the side of the upper surface 4 a that is one surface of the potter's wheel member 4. The roof sheet 2 has a polygonal shape having a total of eight vertices in the outer peripheral shape of the entire sheet, and each side forming the outer peripheral edge has a curved curve that is slightly recessed toward the center 2c. ing. The roof sheet 2 is formed by stitching a total of four substantially fan-shaped sheet fabrics 21 to 24, and these sheet fabrics 21 to 24 are provided with stretchability. This is the factor that generates the tension necessary to maintain the open state.

  Each sheet fabric 21 to 24 will be described using the sheet fabric 21 as an example. The sheet fabric 21 has a side extending from one end 21b to the center 2c and a side extending from the other end 21c to the center 2c above the frame bars 107 and 108 attached to the wheelchair 100 shown in FIG. It is cut from the material dough so that the curve matches the curve of the material. Such a cutting method is the same for the other sheet fabrics 22 to 24. And in cutting, each sheet | seat material | dough 21-24 is strip | belt-shaped material so that it can exhibit at least a stretching property along the direction (arrow direction shown in FIG. 2) parallel to the Y-axis direction shown in FIG. The material is taken from the dough. In addition, it is also possible to use a material cloth that exhibits stretchability in a direction parallel to the X-axis direction in FIG. 2 (in this case, each sheet cloth 21 to 24 is in both the X-axis and Y-axis directions). Along with the elasticity).

  In the above-described cutting, the length from the tops 21a, 22a, 23a, 24a to the center 2c of the roof sheet 2 is the total length of the bone members 61 to 64 connected to the potter's wheel 4 shown in FIG. (Dimensions from the center of the potter's wheel member 4 to the other end portions 61b to 64b of the bone members 61 to 64). Moreover, in the roof sheet 2, the distance from the top part 21a to the top part 24a becomes a dimension according to the distance between each other end part 61b and the other end part 64b of the bone members 61 and 64 opened substantially horizontally. Similarly, the distance from the remaining top part 21a to the top part 22a, the distance from the top part 22a to the top part 23a, and the distance from the top part 23a to the top part 24a are also the other end part 61b and the other end part of each bone member. The dimensions are set according to the distance between 62b, the distance between the other end 62b and the other end 63b, and the distance between the other end 63b and the other end 64b.

  Each such sheet | seat fabric 21-24 forms the roof sheet | seat 2 by sewing each edge | side from each edge part 21b, 21c, 22b, 22c, 23b, 23c, 24b, 24c to the center 2c. . In addition, the formed roof sheet 2 has a belt-shaped reinforcing cloth (bias) sewn along the stitched portion on the inner surface 2b, and a belt-shaped reinforcing cloth (bias) is also sewn on the periphery. When these reinforcing cloths (bias) are selected in an optimal color in consideration of the colors of the sheet fabrics 21 to 24, the design is improved. In the state where the formed roof sheet 2 is spread horizontally, each side (for example, the side extending from the end portion 21b to the center 2c) along the stitching portion is cut in a curved manner, so that the surplus fabric is left. In the state where the length is generated, the bending occurs, and on the other hand, the portions from the tops 21a, 22a, 23a, 24a to the center 2c are not cut in a curvilinear shape, so that no extra length is generated. . Therefore, if each top part 21a-24a of the roof sheet 2 is attached to the through-hole 71c of the cap members 71-74 of each bone member 61-64 by the sewing of a thread | yarn so that it may mention later, each bone member 61- In the state where 64 etc. are opened horizontally, the roof sheet 2 is stretched and stretched from the center 2c toward the tops 21a, 22a, 23a, 24a, and tension is applied along the stretched direction. Will occur.

  In addition, the roof sheet 2 is sewn at the outer peripheral edges of the sheet fabrics 21 to 24 (both ends 21b, 24c, both ends 21c, 22b, both ends 22c, 23b, both ends 23c, 24b). The metal rings 31 to 34 are attached to the portion by sewing. These rings 31 to 34 correspond to locking members, and when the roof 1 is mounted on the wheelchair 100, the locking tools 111 to 114 (see FIG. 8) provided on the frame bars 107 and 108 of the wheelchair 100 are attached. It locks. In addition, the roof sheet 2 is provided with a hole 2d through which the screw 9 passes at the center 2c (see FIG. 2).

  As shown in FIG. 2, the roof 1 has a circular patch 5 (a hole 5a is formed in the center) interposed between the roof sheet 2 and the potter's wheel 4 in addition to the members described above, the potter's wheel 4 and the support member. 7, a resin washer 6 arranged between the screw 7, a screw 9 through which each member 2, 4 to 8 is inserted, a PVC cap washer 10 arranged above the center 2 c of the roof sheet 2, and a screw 9. And a cylindrical resin cap 11 having a female screw perforated on the bottom surface. When the resin cap 11 is made of a transparent member, it is reflected when exposed to light, so that the safety when using the roof is improved and the design is improved. In particular, a slit or the like is appropriately provided on the outer peripheral surface. The light can be diffusely reflected to further improve the design.

  Next, an example of the manufacturing procedure of the roof 1 using each member mentioned above is demonstrated. First, cap members 71 to 74 are sewn in advance to the top portions 21a, 22a, 23a, and 24a of the roof sheet 2. Specifically, the thread T is passed through the through hole 71c provided in the cap member 71 and the like, passed through the inside of the cap member 71 and the like, and the thread T is taken out from the openings on both sides of the through hole 71c. The thread T is sewed to the tops 21a, 22a, 23a, 24a of the roof sheet 2 (see FIG. 7B). At this time, it is important to sew the cap members 71 to 74 so that the side of the cap members 71 to 74 to which the tube members 81 to 84 are attached faces the center 2 c of the roof sheet 2. When the cap members 71 to 74 are sewn, when the protective caps 91 to 94 are in the way, the protective caps 91 to 94 are temporarily removed from the cap members 71 to 74, and after the sewing, the cap members 71 to 74 are moved to the cap members 71 to 74. You may make it attach again. In addition, in order to attach each cap member 71-74 to the roof sheet 2, the state which has arrange | positioned each cap member 71-74 to each top part 21a, 22a, 23a, 24a of the roof sheet 2 besides the sewing by a thread | yarn Then, from both the outer surface 2a and the inner surface 2b of the roof sheet 2, attachment is performed using a sandwiching member (resin or metal small piece member) that sandwiches each top portion 21a and the like and each cap member 71 and the like together. It is also possible to do this.

  Then, as shown in FIG. 3A, the wire 20 is passed through the through holes 51a of the connecting members 51 to 54 attached to the base side of the bone members 61 to 64, and in this state, each connecting member 51 The insertion part 51 a of ˜54 is inserted into the slits 41 to 44 of the potter's wheel member 4. At this time, both ends of the wire 20 are positioned in the recess 4 e of the potter's wheel member 4. Then, both ends of the wire 20 are tightened with a tip of a pliers or the like so that the insertion portions 51a of the connecting members 51 to 54 are surely inserted into the slits 41 to 44, and then the wire 20 is tightened. The knots are formed by rotating both ends appropriately and fixing them so as not to loosen. Thereby, the bone members 61-64 will be connected with the potter's wheel member 4 so that rotation is possible, and it can be opened and closed as a roof by rotating with the wire 20 as a rotation center. It should be noted that the way of connecting the bone members 61 to 64 and the potter's wheel member 4 is the same as the way of connecting a conventional umbrella top and the main bone.

  Then, as shown in FIG. 2, an end plate 8, a support member 7, a resin washer 6, a potter's wheel 4, a patch 5, a roof sheet 2, a vinyl chloride cap washer 10, and a resin cap 11 are arranged in order from the bottom. In this state, the screw 9 is communicated and screwed into the female screw of the resin cap 11, and the above-described members 2, 4 to 8 are fastened together. At this time, after adjusting the degree of rotation of the roof sheet 2 so that the top portions 21a, 22a, 23a, 24a of the roof sheet 2 are respectively positioned corresponding to the bone members 61, 62, 63, 64, the screws 9 is fastened and fixed to the resin cap 11 to the end. Thereby, the center 2c of the roof sheet 2 is attached to the potter's wheel 4.

  Finally, cap members 71 to 74 sewed on the respective top portions 21a, 22a, 23a, and 24a corresponding to the peripheral portion of the roof sheet 2 are externally fitted to the other end portions 61b to 64b of the bone members 61 to 64 and attached. . At this time, since the roof sheet 2 has elasticity, the cap members 71 to 74 are attached by pulling and extending in the extending direction of the bone members 61 to 64. Since the cap members 71 to 74 have tube members 81 to 84 that function as retaining members, once fitted on the bone members 61 to 64, the bone members are inadvertently opened and closed even if the roof 1 is opened and closed. The cap members 71 to 74 do not fall off from 61 to 64. The roof 1 is completed by the procedure as described above.

  Next, the opening and closing of the roof 1 will be described with reference to FIGS. In FIGS. 6B and 6C, illustration of the bone members 61 and 63, a part of the roof sheet 2 (the back side in the drawing), and the like are omitted to make it easy to understand the open / closed state of the roof 1. .

  First, as described above, the roof 1 has the support member 7 projecting from the outer periphery of the potter's wheel member 4 below the potter's wheel member 4, so that each of the bone members 61 to 64 has the same direction as the conventional umbrella. Cannot be folded, and as shown in FIG. 6A, it is folded to the side opposite to the support member 7. In such a folded state (closed state), the bone members 61 to 64 are exposed, and the roof sheet 2 is an outer surface 2a which is an outer side in an open state (see FIGS. 6B and 6C). ) Is folded inward, the outer surface 2a of the roof sheet 2 is not exposed, but the inner surface 2b is exposed. Therefore, even if the outer surface 2a of the roof sheet 2 is dirty with rainwater, dust, or the like after use, the user does not touch the outer surface 2a in a state in which the roof 1 is folded. Even if it is folded and carried, it is not soiled by the roof 1.

  FIG. 6B shows a horizontal state (a state parallel to a plane constituted by the X axis and the Y axis) with the bone members 61 to 64 opened in the direction of the arrow A shown in FIG. It shows that it was changed to the posture. In this state, in order for the roof sheet 2 to follow the distance on the other end side of each of the bone members 61 to 64, the roof sheet 2 is stretched and stretched. Tensions P1, P2, and the like toward 2c are generated along the bone members 61-64.

  As shown in FIG. 7B, when the above-described tensions P1, P2, etc. are generated, the other end portion 61b of the bone member 61 etc. is inside the reduced diameter portion 71d of the cap member 71 etc. It is in a state of hitting. Further, since the cap member 71 and the like are loosely fitted to the bone member 61 and the like, the longitudinal direction of the bone member 61 and the like (the arrow shown in FIG. 7B) depends on the tension state of the roof sheet 2 and the like. Since it can slide along (direction), even if the roof sheet 2 is stretched, the opening and closing of the bone members 61 to 64 is not hindered.

  Finally, FIG. 6 (c) shows a state in which the bone members 61 to 64 are opened in the direction of arrow B shown in FIG. 6 (b) and changed to a posture inclined beyond the horizontal state. ing. In this state, as shown to Fig.7 (a), each bone member 61-64 is contacting the outer surface 7a of the supporting member 7 by the connection members 51-54 attached to the root side. Even in this state, the roof sheet 2 that covers the bone members 61 to 64 from one side (the upper side in FIG. 6C) is stretched, and thus tension is generated.

  The tension generated in the roof sheet 2 in the state shown in FIG. 6 (c) is that each of the bone members 61 to 64 is inclined, so that the roof sheet 2 itself is also inclined, and is divided into a plurality of components according to the inclination angle. Divided. Specifically, the horizontal tensions P10, P20 and the like are components orthogonal to the sheet surface (outer surface 2a, inner surface 2b) of the roof sheet 2 (perpendicular to the axial direction of the bone members 61 to 64 in an inclined posture). Tension components P11, P21, etc., and components parallel to the sheet surface (outer surface 2a, inner surface 2b) of the roof sheet 2 (components parallel to the axial direction of the bone members 61 to 64 in an inclined posture) Can be divided into tensions P12, P22, and the like.

  As shown in FIG. 7A, among the tensions described above, the tensions P11, P21, etc., which are orthogonal to the sheet surfaces (outer surface 2a, inner surface 2b) of the roof sheet 2, are connected to the connecting members 52, 54, etc. Since the included bone members 62, 64, etc. act as a force for pressing the roof sheet 2 toward the support member 7, the bone members 62, 64, etc. are pressed against the outer surface 7a of the support member 7 by these tensions P11, P21, etc. So that the bone members 62, 64, etc. are maintained in an inclined posture at an angle α (see FIG. 3B), and the roof 1 can be kept in an open state stably. It has become. Moreover, since the supporting member 7 supports each bone member 61-64 etc. as a surface with the outer surface 7a, it can receive each bone member 61-64 in line contact, and can maintain the stable support.

  Moreover, in order to close the roof 1 of the open state, each bone member 61-64 is rotated in the direction opposite to the above description, so that the state shown in FIG. Through the state shown in FIG. 6, the closed state (folded state) of FIG.

  Next, a roof mounting structure provided in the wheelchair 100 to which the roof 1 of the embodiment described above is mounted will be described.

  FIG. 8 shows the wheelchair 100 in a state in which two frame bars 107 and 108 for mounting and supporting the roof 1 are attached. The frame bars 107 and 108 are synthetic resin bars having flexibility and required rigidity, and metal pipes 107a, 107b, 108a and 108b for reinforcement are attached to both ends. One of the two frame bars 107 and 108 is attached by curving from the right front to the left rear of the wheelchair 100, and the other frame bar 108 is mounted from the left front to the right. They are bent backward and attached, and they intersect at the top 109.

  In order to attach these frame bars 107 and 108, the wheelchair 100 is provided with left and right front holders 121 and 122 on the front left and right, and left and right rear holders 123 and 124 on the rear left and right.

  FIG. 9A shows a left front holder 121 attached to the left front of the wheelchair 100. The left front holder 121 is a block-like member having required rigidity, and is attached to the left front vertical frame portion 101 of the wheelchair 100. The left front holder 121 has a mounting pipe portion 131 protruding from the upper surface 121a. The mounting pipe portion 131 inserts the metal pipe 108a provided at one end of the above-mentioned frame bar 108 into the inside thereof. It can be fixed with. The attachment pipe portion 131 is provided so as to be inclined forward and outward, and by such inclination, the frame bar 108 attached to the attachment pipe portion 131 is curved along a trajectory that swells outward. Thus, the internal space surrounded by the frame members 107 and 108 is made wider as much as possible. Although not particularly shown in FIG. 9A, the left front holder 121 is preferably provided with a retaining function for the frame bar 108 inserted into the mounting pipe portion 131. Various known types of functions can be applied. Moreover, the right front holder 122 attached to the right front of the wheelchair 100 has a symmetrical structure with the left front holder 121 described above (see FIGS. 8 and 10).

  FIG. 9B shows the left rear holder 123 attached to the left rear of the wheelchair 100. The left rear holder 123 is also a block-like member having a required rigidity, and is attached to the left rear vertical frame portion 103 of the wheelchair 100. Also, two rubber pieces are provided for protection to the wheelchair user. The edges and the like are covered with the sheets B1 and B2. The left rear holder 123 also has a mounting pipe portion 133 protruding from the upper surface 123a. The mounting pipe portion 133 can be fixed by inserting the metal pipe 107b provided at one end of the frame bar 107 described above. It has become. The attachment pipe portion 133 is also inclined rearward and outward in order to widen the internal space surrounded by the frame members 107 and 108 as much as possible. Although not particularly illustrated in FIG. 9B, it is preferable that the left rear holder 123 is also provided with a function of preventing the frame bar 107 inserted into the attachment pipe portion 133. Also, the right rear holder 124 attached to the right rear of the wheelchair 100 has a symmetrical structure with the left rear holder 123 described above (see FIGS. 8 and 10).

  FIG. 10 shows a state where the end of the frame bar 108 is attached to the wheelchair 100. In FIG. 10, the metal pipe 108 a provided at one end of the frame bar 108 is first inserted and attached to the mounting pipe 131 of the left front holder 121, and then the frame bar 108. The metal pipe 108b attached to the other end with a large curvature is inserted into the right rear holder 124 and attached. Note that the frame bar 107 attached in advance in FIG. 10 is also attached in the same procedure. Further, locking tools 111 to 114 (see FIG. 8) to be locked to the roof 1 are attached in advance to the frame bars 107 and 108.

  FIGS. 11A and 11B show the locking tool 111 attached to the frame bar 107. The locking tool 111 is obtained by attaching a metal hook 115 with screws N1 and N2 to a flexible resin plate 111a. The resin plate 111a has a total of two pieces larger than the outer diameter of the frame bar 107. Two holes 111b and 111c are formed. As shown in FIG. 11 (b), the locking tool 111 is inserted into the two holes 111 b and 111 c with the frame bar 107 in a state of being bent in the shape of a letter “H” in Hiragana. In this state, a repulsive force that tries to return to the flat state is generated due to the flexibility of the resin plate 111a, whereby the frame member 107 is caught by the hole edges of the two holes 111b and 111c and locked. The stop member 111 can be fixed to the frame member 107 at an arbitrary position.

  The remaining locking tools 112 to 114 have the same configuration as the locking tool 111 described above, and the locking tool 111 is disposed on the right front side of the frame bar 107 attached to the wheelchair 100, and on the left rear side. The locking tool 113 is disposed, and the locking tool 112 is disposed on the left front side of the frame bar 108 and the locking tool 114 is disposed on the right rear side (see FIGS. 1 and 8).

  Next, how to attach the umbrella 1 to the wheelchair 100 will be described. First, the roof 1 is set in the open state shown in FIG. 6C, and the support member 7 of the roof 1 is applied to the crossing top portion 109 of the frame bars 107 and 108 that have been mounted on the wheelchair 100 in advance. At this time, the roof 1 is oriented so that the protective cap 91 attached to the end of the bone member 61 is in front (see FIG. 1).

  FIG. 12 shows a state in which the center of the roof 1 is viewed from the inner surface side, and the roof bar 1, 108 passes between the pins 12 to 15 that protrude downward from the support member 7. Is assigned. Then, the metal rings 31 to 34 attached to the periphery of the roof 1 are locked to the hook 115 or the like of the locking tools 111 to 114 (see FIG. 11A). Thereafter, the positions of the locking members 111 to 114 are adjusted so that the roof 1 is stretched and the mounting is completed. In such a state, the frame bars 107 and 108 pass between the pins 12 to 15 of the roof 1, so that the central portion of the roof 1 is stably placed on the top 109 of the frame members 107 and 108. Since the rings 31 to 34 of the roof 1 are locked by the locking tools 111 to 114 attached to the frame bars 107 and 108, the periphery of the roof 1 is pulled and greatly expanded. The periphery of the roof 1 is also stably attached to the frame members 107 and 108, and the mounting of the roof 1 on the wheelchair 100 is stable.

  In addition, the roof 1 which concerns on this invention is not limited to the form mentioned above, According to a use, while the number of the bone members 61 etc. can be increased / decreased suitably, the outer periphery shape of the roof sheet | seat 2 is also changed suitably according to it. it can. Further, depending on the mounting target of the roof sheet 2, it is possible to apply a locking member other than the ring 31 or the like (for example, a hook).

  The roof 1 according to the present invention has a structure similar to that of a conventional umbrella, but does not have a center bar. In addition to a roof for a wheelchair, a roof for a tent, a deck chair, a roof for a turf, a simple cover, various covers Can be widely applied to covers, hoods, etc.

DESCRIPTION OF SYMBOLS 1 Roof 2 Roof sheet 4 Roller member 7 Support member 7a Outer surface 31-34 Ring 51-54 Connection member 61-64 Bone member 71-74 Cap member 81-84 Tube member 100 Wheelchair 107, 108 Frame member 111-114 Locking tool

Claims (5)

A potter's wheel member, a plurality of bone members that extend radially from the potter's wheel member and that are pivotally connected to the potter's wheel member so as to be opened and closed, and a roof sheet that covers the bone members from one side. In the foldable roof provided,
A cap member loosely fitted to one end on the extending side of the plurality of bone members;
A support member attached to the potter's wheel so as to come into contact with the plurality of bone members that have been opened in an inclined posture; and
The roof sheet has elasticity,
The central portion of the roof sheet is attached to the potter's wheel member,
The peripheral portion of the roof sheet is attached to the cap member so that the roof sheet is stretched when the plurality of bone members are opened in the inclined posture.
When the state is changed from the closed state so that the plurality of bone members are exposed to the open state in the inclined posture, the plurality of bone members are transferred to the support member by the tension generated by the tension of the roof sheet. A foldable roof characterized by being pressed against. A tube member is externally fitted to the end of the cap member on the loose fitting side,
The foldable roof according to claim 1, wherein the tube member is externally fitted to the cap member so as to protrude from an end portion of the cap member toward the bone member. The support member is dish-shaped,
The foldable roof according to claim 1 or 2, wherein a surface in contact with the plurality of bone members is an inclined surface similar to an inclination according to an inclined posture of the plurality of bone members.   The foldable roof according to any one of claims 1 to 3, wherein a locking member for a mounting object is attached to a peripheral edge of the roof sheet.   The foldable roof according to any one of claims 1 to 4, wherein an engagement protrusion for mounting is attached to the potter's wheel member.

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