JP4769643B2 - door - Google Patents

Description

  The present invention relates to a door in which two panel bodies are connected by a hinge, and more specifically, a door such as a folding door in which the panel body bends in both directions, or one panel body is fixed and the other panel body is fixed. The present invention relates to a double door that rotates so as to overlap both front and back surfaces of the panel body.

  A door such as a folding door opens and closes when two doors are connected to a hinge. For example, as shown in FIGS. 12 to 14, the door disclosed in Patent Document 1 has hinges 110 and 110 attached to the side end surfaces where the two doors 100 and 100 abut each other. Each door 100 has a rectangular panel-shaped solid panel body 101 and a frame 102 fixed to one end (wall) side of the panel body 101, and a column body 111 is fixed to the other end (inside) side. Has been.

  A hinge 110 attached to such a door 100 includes a pair of opposed struts 111 and spur gears 112 fixed to the upper and lower ends of the struts 111, as shown in FIG. A spur gear 112 is provided with a connecting plate 113 that meshes the spur gears 112.

  Further, as shown in FIG. 14, two protrusions 111 a and 111 a are projected in the vertical direction on the attachment surface where each column body 111 is bonded to the panel body 101, and the panel body 101 is bonded to the column body 111. Two grooves 101a and 101a are formed on the mounting surface. The two protrusions 111a and 111a and the two grooves 101a and 101a are fitted to each other, and the screws 103 are screwed into the panel body 101 from the column body 111, whereby the both 111 and 101 are fixed. By doing so, even if the panel body 101 is made of wood and contracts due to moisture or the like, the spur gears 112 are smoothly meshed without being twisted.

Japanese Patent No. 2728642

  In the hinge 110 disclosed in Patent Document 1, the outer diameter of the spur gear 112 is larger than the plate thickness of the panel body 101 so that the two panel bodies 101 completely overlap when the door is opened. Is eating out. However, when the teeth of the spur gear 112 protrude from the panel body 101, dust or the like may enter between the pair of spur gears 112, 112, and the doors 100, 100 may not be opened and closed smoothly. Further, the spur gear 112 is not excellent in durability, and if the heavy doors 100 and 100 such as folding doors are opened and closed for a long time, the spur gear 112 may be fatigued and destroyed.

  Furthermore, two protrusions 111a and 111a and two grooves 101a and 101a are formed on the column body 111 and the panel body 101. However, the work of forming these 111a and 101a is not only cumbersome, but it is also difficult to attach them because the both 111a and 101a must be fitted together.

  Since the column body 111 fixed to the panel body 101 is formed in a semi-cylindrical shape and faces each other, if the finger or the like is touched to the column body 111, the finger or the like There is a risk of being injured by being caught between the pair of support columns 111 and 111. Moreover, since the gap | interval has arisen in the support | pillar bodies 111 and 111 which oppose, it is not appropriate to use this door for a toilet, a shower room, a changing room, etc.

  Therefore, the present invention is such that the hinge does not protrude from the panel body and is excellent in durability and mounting workability. Further, the two panel bodies do not involve fingers or the like, and between the two panel bodies. It is an object of the present invention to provide a door in which no gap is generated.

The door according to the present invention is provided with a semi-cylindrical rolling part at the tip, a pair of rolling elements in which the rolling part is arranged at a constant interval, and a rectangular parallelepiped in which both side surfaces and both relative surfaces are parallel. Shape or cube shape or both sides are formed in a trapezoidal shape with both sides facing parallel and both relative surfaces are sandwiched between the rolling parts of a pair of rolling elements, and the rolling parts by rolling of the rolling parts A movable piece that reciprocates in a direction perpendicular to the rotation axis of the movable piece and an intermediate portion abut against each relative surface of the movable piece, and both end portions protrude from the side surfaces of the movable piece so as to overlap with the rolling elements. A connecting body for movably connecting the moving bodies , and the two pieces of panel bodies are formed by hinges that swing the rolling bodies as the movable piece reciprocates between the rolling portions of the pair of rolling bodies. Connected, the two panel bodies are surrounded by two vertical frames and an upper frame that spans the upper end of the vertical frame. In the inside frame, and closing in a state aligned in a straight line, also provides a door Orito that door opening in superposed state, the base end side of the one panel member is swung to the one vertical frame of the The other panel body is attached freely, the front end side of the other panel body is not constrained, the opposing end faces of both panel bodies face each other with a certain distance, and the hinge rolls on at least the upper and lower ends of each opposing end face Rolling elements are fixed so as to project the parts, communication holes communicating with the rotation centers of the rolling elements of the both rolling parts and the ends of the coupling body are formed, and the shielding bodies projecting from the shaft are provided for each panel. It is characterized in that the interval between the opposing end faces of the body is closed, the shaft of the shield is inserted into the communication hole of the connecting body and the rolling element, and the hinge and the shielding body are connected .

According to this door, since the opposing side end surfaces of the two panel bodies spaced apart from each other are fixed to the rolling elements provided on the hinge, the two panel bodies are like folding doors. It is used as a door. In the case where this door is used as a folding door, when one surface of each panel body is overlapped and opened, a pair of rolling elements is located on one end side of the movable piece, and each panel body is a hinge. When the doors are closed in a straight line across the door, the pair of rolling elements is located in the middle of the movable piece, and the other surfaces of the panel bodies are overlapped and opened in the opposite direction. The pair of rolling elements is located on the other end side of the movable piece. In other words, the movable piece moves between the pair of rolling elements by opening and closing the panel body.

Further, the door according to the present invention different from the above has a pair of rolling elements provided with a semi-cylindrical rolling part at the tip, the rolling parts being arranged at a predetermined interval, both side surfaces and both relative sides. A rectangular parallelepiped shape or a cube shape with parallel surfaces, or a trapezoidal shape in which both side surfaces are in the shape of a letter C and both relative surfaces are parallel, and both side surfaces are sandwiched between the rolling parts of a pair of rolling elements. The movable piece that reciprocates in a direction perpendicular to the rotation axis of the rolling part by movement, the intermediate part abuts on each relative surface of the movable piece, and both end parts protrude from the side surfaces of the movable piece and overlap each rolling element Connecting the pair of rolling elements so as to freely roll, and the movable piece reciprocates between the rolling parts of the pair of rolling elements to swing the rolling elements by a hinge 2. One panel body is connected, one panel body is a wall and the other panel body is both A double door that is connected to one panel body so as to be openable and closable, and the opposite side end surface of the other panel body is opposed to one panel body with a certain interval, and the opposite side end surface of the other panel body The other rolling element is fixed to at least the upper and lower ends of the hinge so that the rolling part of the hinge protrudes, and the other rolling element of the hinge is fixed to one panel body so as to face the rolling element, both A communication hole is formed to communicate with the center of rotation of the rolling element and each end of the coupling body, and the shielding body protruding from the shaft closes the interval between the panel bodies, and the shaft of the shielding body is connected to the coupling body and the rolling body. It is inserted in the communicating hole of a moving body, and the hinge and the shield are connected.
When one panel body is used like a wall in this way, the movable piece revolves on the rolling element that fixes the panel member on the wall side, and the other rolling element moves on the movable piece. By revolving, the other panel body is opened and closed. Therefore, in this case, the other rolling element and the panel body revolve 360 degrees around the fixed one rolling element and the panel body via the movable piece.

Further, according to the two doors of the present invention, the shaft protruding from the shield is inserted into the communication hole formed at both ends of the connecting body from the rolling element of the hinge, The shield is connected in a stable state. And since the panel body is being fixed to the rolling element of the hinge, a panel body opens and closes an axis | shaft as a rotation center.
As described above, the rolling elements swing on the movable piece to open and close the panel bodies. However, the panel bodies are blocked by the shielding body supported by the hinges in any state of opening and closing. As a result, the shield does not rotate, and the shield does not rotate, so that fingers or the like are not caught between the panel bodies.

  Further, in the door according to the present invention, the panel body is formed in a bowl shape on the opposite side, and the shielding body is formed by joining a pair of cylindrical bodies or columnar bodies fitted on the facing surfaces of the panel bodies on the side surfaces. It is preferable.

  According to this door, the opposing side end surface of the panel body is formed in a bowl shape, and the shield is formed by joining a pair of cylindrical bodies or columnar bodies that fit into the opposing side end surface of the panel body on the side surfaces. By constricting the part, the end edges of the opposing side end face of the panel body bite into the joined part of the cylindrical body or columnar body, and the door is opened. The side surfaces of the pair of cylindrical bodies or columnar bodies may be joined together by welding or the like, or may be in contact with each other in a separable manner.

  In the door according to the present invention, it is preferable that a spring for automatically closing the opened panel body is provided between the rolling element and / or the movable piece and the coupling body.

  According to this door, the spring for automatically closing the opened panel body is provided between the rolling element and / or the movable body, so that an external force is applied. Although it is twisted, compressed, or pulled, the door is automatically closed by the restoring force of the spring when no external force is applied. The spring is not limited to a type such as a torsion spring, a compression spring, or a tension spring.

  In the door according to the present invention, it is preferable that a rack is formed on both side surfaces of the movable piece, and a pinion that meshes with the rack is formed on the pair of rolling elements.

  According to this door, when the rack formed on the movable piece and the pinion formed on the rolling element mesh with each other, the rolling element rolls without sliding on the movable piece, and the movable piece moves between the rolling elements. The panel body opens and closes by reciprocating without sliding.

  Moreover, the door which concerns on the said invention WHEREIN: It is preferable that each joint surface of the said movable piece and the connection board of a connection body is provided with the slidable fitting part.

  According to this door, the fitting portions provided on the joint surfaces of the movable piece and the connecting plate of the connecting body are fitted together, so that the movable piece is relatively guided between the connecting pieces while being guided by the fitting portion. In addition to the movement, the load applied to the movable piece from one rolling element is once applied to the fitting part, the fitting part serves as a buffer material, and a small load is applied to the other rolling element. For this reason, even if a pinion is formed on the outer peripheral surface of the rolling element, a large impact force is not applied to the pinion and it can be prevented from being damaged. In addition, it is preferable that the fitting part is formed of one or a plurality of protrusions and grooves.

  According to the door according to the present invention, the hinge that connects the two panel bodies is provided with a pair of rolling elements, a movable piece, and a connecting body, thereby having versatility. . Moreover, the rolling element of this hinge and a panel body can be connected easily. Therefore, the cost of the door provided with this hinge can be reduced.

  And since the space | interval of each panel body is obstruct | occluded by the shielding body supported by the said hinge, when opening and closing a door, a finger etc. are not caught between each panel body, and safety can be improved. . Furthermore, since a gap does not occur between the panel bodies due to the shield, this door can be used in a toilet, a shower room, a changing room, and the like, and the application can be expanded.

  An embodiment of a door according to the present invention will be described with reference to FIGS. In this door, as shown in FIG. 1, two doors 11 and 12 spaced apart from each other are connected by a hinge 20, and the two doors 11 and 12 are closed by a shield 40. A folding door that opens and closes inside a frame surrounded by two vertical frames 1 and 1 erected in a vertical posture and an upper frame 2 spanned in a horizontal posture at the upper end of the vertical frames 1 and 1 To do. A suspension rail 3 is fixed to the lower surface of the upper frame 2.

  The doors 11 and 12 have a width ratio of 1: 2 so that they can be easily opened and closed. However, the ratio of the widths of the doors 11 and 12 may be 1: 1 depending on the usage situation. In any case, as shown in FIG. 4, each door 11, 12 is constituted by a single plate-like panel body 10, the opposing side end face 10 a is formed in a bowl shape, and is provided at two locations on the upper and lower ends. A hinge 20 is attached to (only the upper end portion is shown). The hinge 20 is also attached to the intermediate portion as necessary. Further, the hinge 20 may be attached inward from the end edge instead of the end edge as illustrated.

  The shielding body 40 is formed by joining a pair of cylindrical bodies or column bodies 41, 41 fitted to the opposite side end faces 10a, 10a of the bowls 11 and 12 on the side surfaces, and is formed in an 8-shaped plan view. ing. The pair of cylindrical bodies or column bodies 41 and 41 may be integrated by welding or the like, or may be in contact with each other in a separable manner. In any case, the portion where the cylindrical bodies 41 and 41 are joined has a constricted shape. Further, shafts 42 and 42 for connecting to the hinges 20 are provided on the end faces of the respective cylinders 41 and 41 so as to project at the positions of the rotation centers of the doors 11 and 12, and projecting in an annular shape. Joint portions 43 are provided on the outer periphery.

  As shown in FIG. 1, the base end side of a narrow door (hereinafter referred to as “small door”) 11 is swingably attached to one vertical frame 1 by bearings 4 and 4. A wide door (hereinafter referred to as “large door”) 12 is suspended from the suspension rail 3. Therefore, the suspension wheel 14 is attached to the approximate center of the upper end surface of the large door 12. The suspension wheel 14 is provided with a shaft 14a fixed to the upper end surface of the large door 12 and a roller 14b rotatably attached to the upper end of the shaft 14a.

  A handle 15 is attached to the large door 12. When the handle 15 is pushed or pulled, the shaft 14a of the suspension wheel 14 serves as a rotation axis, and the small door 11 is pushed while the large door 12 is inclined in plan view as shown in FIG. 2 or FIG. When the small door 11 is pushed, the small door 11 is tilted to the same side as the large door 12 in plan view. When the door is completely opened, the large door 12 and the small door 11 are overlapped on one vertical frame 1 side.

  In order for the doors 11 and 12 to open and close in this way, the hinge 20 attached to the doors 11 and 12 has a movable piece 21, a rolling element 22, and a connecting body as shown in FIGS. 24.

  The movable piece 21 has a rectangular parallelepiped shape or a cube shape in which both side surfaces 21a, 21a and both relative surfaces 21b, 21b (upper surface and lower surface in the drawing) are parallel, or although not shown, both side surfaces 21a, 21a have a C shape and are both relative. The surfaces 21b and 21b are parallel trapezoids. Further, racks are formed on both side surfaces 21a and 21a.

  The rolling elements 22 are configured as a pair arranged on both sides of the movable piece 21. Each rolling element 22 is formed by integrally forming a flange 22f and a support portion 22g in a T shape, and moves in both directions while rotating on each side surface 21a of the movable piece 21 at the tip of the support portion 22g. The rolling part 22a is provided.

On the surface of the flange 22f on which the support portion 22g is not projected , substantially semicircular bulging portions 22c and 22c that are joined to the opposite end surfaces 10a of the hooked doors 11 and 12 are separated vertically. Is provided. Small holes 22e, 22e,... For fixing the panel body 10 are formed in each bulging portion 22c , and the rolling elements 22 are fixed to the doors 11, 12 by screws 30.

  And the pinion which meshes with the rack formed in the side surface of the said movable piece 21 is formed in the outer peripheral surface of each rolling part 22a, and the communicating hole 22h is formed in the rotation center of each rolling part 22a. . In addition, when the movable piece 21 is formed in a trapezoidal shape, the rolling part 22a is formed in a truncated cone shape like a bevel gear.

The connecting body 24 is configured to connect the rolling portion 22a so as to freely roll. The intermediate portion abuts against both the relative surfaces 21b and 21b of the movable piece 21, and both end portions thereof are both side surfaces 21a and 21a of the movable piece 21, respectively. A pair of 8-shaped connecting plates 24a and 24a projecting from 21a are provided. The intermediate portions of the connecting plates 24a and 24a are bundled in the same manner as the end face shape of the shield 40, and both ends of the movable piece 21 at the neutral position are exposed. Both end portions of the connecting plates 24a, 24a overlap the flange portion 22f so that the peripheral edge of the bulging portion 22c of the rolling element 22 slightly protrudes.

  And the communicating hole 24h connected with the communicating hole 22h of the rolling element 22 is formed in the both ends of the connecting plate 24a. A shaft 42 protruding from the shield 40 is inserted into the communication holes 22h and 24h, and the connecting plates 24a and 24a and the rolling element 22 are connected.

  The connecting plate 24 a on the side to be joined to the shield 40 is provided with annular fitting portions 24 b and 24 b that fit into the fitting portions 43 and 43 of the shield 40. That is, the coupling plate 24a and the shield 40 are also connected by fitting the fitting portions 24b and 24b provided on the coupling plate 24a into the fitting portions 43 and 43 of the shield 40.

  A slidable fitting portion 23 is provided on each joint surface between the relative surface 21 b of the movable piece 21 and the connecting plate 24 a of the connecting body 24. This fitting part 23 is comprised by the protrusion 23a formed in each relative surface 21b of the movable piece 21, and the groove | channel 23b formed in the connection plate 24a so that this protrusion 23a may be inserted, for example. . Conversely, a groove 23 b may be formed on each relative surface 21 b of the movable piece 21, and a protrusion 23 a may be formed on the connecting plate 24 a of the connecting body 24. In any case, one or a plurality of protrusions 23a and grooves 23b are formed in the moving direction of the movable piece 21 by decentering the central axis of the relative surfaces 21b and 21b of the movable piece 21 or eccentric.

  A spring 25 for automatically closing the opened doors 11 and 12 is provided between the movable piece 21 and the rolling elements 22 and the connecting plate 24a. Therefore, the connecting body 24 is provided with a storage portion 24 d for storing the spring 25. The storage portion 24d is provided in an annular shape by a protruding portion 24e protruding from the inner surface of the connecting plate 24a. Therefore, the spring 25 is a torsion spring. Each end of the torsion spring is inserted into a small hole 22k, 24k formed in each end of the flange 22f of the rolling element 22 and the connecting plate 24a, and the movement is restricted.

  However, although not shown, the storage portion 24d is provided in a straight line so as to face only the relative surfaces 21b and 21b of the movable piece 21, or is provided in a C shape so as to face only the rolling element 22. A spring such as a compression spring or a tension spring may be accommodated in 24d. Two springs 25 are housed in each housing portion 24d, one on each side in a linear or arcuate series. Therefore, the spring 25 in this case is constituted by a total of four in the storage portion 24d of the one connecting body 24 and a total of eight in the storage portions 24d and 24d of both the connecting bodies 24 and 24. In this case, the compression springs 25 and 25 are partitioned by the relative surfaces 21b and 21b of the movable piece 21 or protrusions (not shown) protruding from the rolling elements 22, and only one spring is compressed. Have been to.

  In the hinge 20 configured in this way, each rolling element 22, 22 has a movable piece 21 as a fulcrum and is in a state of facing each other through a state in which the rolling elements 22 are arranged in a straight line from a state in which they are arranged in a diagonal direction. The direction can be changed. However, the hinge 20 is provided with the spring 25, so that the rolling element 22 is automatically changed to the original linear state when the force is applied and the direction is changed when the force is applied. Return.

  Here, the door like the folding door which connected the small door 11 and the large door 12 with such a hinge 20 is demonstrated, referring FIG. 6 thru | or FIG. As described above, the bulging portion 22h provided on the rolling element 22 of the hinge 20 is fixed to the opposing side end face 10a formed in the bowl shape of each door 11 and 12 by the screw 30. The shafts 42, 42 projecting from the end surfaces are inserted into the communication holes 24 h, 24 h of both the connecting plates 24 a, 24 a of the hinge 20 and the communication hole 22 h of the rolling part 22 a, and the fitting part 43 of the shield 40 And the fitting portion 24b provided on one connecting plate 24a of the connecting body 24 of the hinge 20 are connected to each other so that the shield 40 is connected to the hinge 20 and the doors 11 and 12 are closed. ing.

  1 and 2, when both doors 11 and 12 are closed, as shown in FIGS. 6 and 7, the pair of rolling elements 22 and 22 and the movable piece 21 are They are in a line. Further, the rolling portions 22 a and 22 a provided on the rolling elements 22 and 22 are located at the centers of the side surfaces 21 a and 21 a of the movable piece 21. At this time, since the space between the doors 11 and 12 is blocked by the shield 40, the inside is not looked into from the outside of the door, and the odor is not leaked.

  Then, when the handle 15 attached to the large door 12 is pushed to open the door, the large door 12 rotates the shaft 14a of the suspension wheel 14 as the rotation axis as shown in the one-dot chain line in FIG. 2 and FIGS. As shown in the drawing, the vertical frame 1 moves toward one of the vertical frames 1 while being inclined clockwise. At this time, the rolling part 22a of one rolling element 22 to which the large door 12 is fixed rolls on one side surface 21a of the movable piece 21 from the center to one end side, and the movable piece 21 moves.

  As the movable piece 21 moves, the rolling portion 22a of the other rolling element 22 rolls on the other side surface 21a of the movable piece 21 from the center to one end side. Then, the other rolling element 22 inclines in the counterclockwise direction in the drawing, and the small door 11 inclines in the counterclockwise direction in the drawing with the bearings 4 and 4 attached to the one vertical frame 1 as the rotation axis.

  At this time, each edge of the opposing side end surfaces 10a and 10a of the doors 11 and 12 bites into the intermediate portion where the shield 40 is constricted and the intermediate portion where the connector 24 is constricted. The spring 25 is compressed against the spring force. In the middle of opening the door, the doors 11 and 12 are blocked by the shield 40, so that a finger or the like is not involved.

  In this way, the large door 12 and the small door 11 fixed to the pair of rolling elements 22 and 22 bend as shown in the alternate long and short dash line in FIG. 2 and FIGS. Get closer to. Further, when the handle 15 is pushed, the large door 12 and the small door 11 overlap each other as shown in the two-dot chain line in FIG. 2 and FIGS. 10 and 11, and the door is completely opened.

  When the handle 15 is not pushed, the rolling portion 22a of one rolling element 22 to which the large door 12 is fixed is moved to one of the movable pieces 21 by a restoring force that the compressed spring 25 tries to return to the original state. Roll on the side surface 21a from one end side to the center. At the same time, the rolling part 22a of the other rolling element 22 to which the small door 11 is fixed rolls on the other side surface 21a of the movable piece 21 from one end side to the center. In this way, the large door 12 and the small door 11 fixed to the pair of rolling elements 22 and 22 have a straight line as shown by the solid line in FIG. 2 from the bent state as shown by the one-dot chain line in FIG. The state is closed.

  In this series of operations, the rack formed on the side surface 21a of the movable piece 21 and the pinion formed on the outer peripheral surface of the rolling portion 22a of the other rolling element 22 are engaged with each other. Rolls on the movable piece 21 without sliding, and the doors 11 and 12 are smoothly opened and closed.

  In addition, the load applied to the movable piece 21 from the rolling part 22 a of one rolling element 22 is reduced by the fitting part 23 as a cushioning material and applied to the other rolling element 22. That is, since the protrusions 23a and 23a formed on the relative surfaces 21b and 21b of the movable piece 21 are fitted into the grooves 24c and 24c formed on the connection plates 24a and 24a of the connection body 24, one rolling element is provided. The load from 22 is also applied to the connecting body 24, and this load is reduced and applied to the rolling part 22a of the other rolling element 22. Therefore, even if the door is opened and closed for a long time, the rack and pinion will not be damaged.

  Further, the door can be opened in the opposite direction by pulling the handle 15. That is, when the handle 15 is pulled, as shown by a one-dot chain line in FIG. 3, the large door 12 moves toward one vertical frame 1 while tilting counterclockwise in the drawing with the axis of the suspension wheel 14 as the axis of rotation. . At this time, one rolling part 22a of one rolling element 22 to which the large door 12 is fixed rolls on one side surface 21a of the movable piece 21 from the center to the other end side, and the movable piece 21 moves.

  As the movable piece 21 moves, the rolling portion 22a of the other rolling element 22 rolls on the other surface of the movable piece 21 from the center to the other end side. Then, in FIG. 6 and FIG. 7, the other rolling element 22 provided with the other rolling portion 22a is inclined clockwise, and the small door 11 rotates the bearings 4 and 4 attached to the one vertical frame 1. Tilt clockwise in the drawing as an axis.

  When the handle 15 is further pulled, the large door 12 and the small door 11 fixed to the pair of rolling elements 22 and 22 are overlapped and opened as shown by a two-dot chain line in FIG. And by pushing the handle | steering-wheel 15, the hinge 20 moves reversely to the above and can be closed.

  Even when the door is opened in the opposite direction, the state where the doors 11 and 12 are closed by the shield 40 is continued, and fingers and the like are not caught. Further, when the handle 15 is not pulled, the door is automatically closed by the spring force of the spring 25.

  Thus, the door in this embodiment can be opened and closed in both directions from the state in which the doors 11 and 12 are completely closed by the shield 40. In addition, the large door 12 and the small door 11 can be completely overlapped. Therefore, if this door is adopted in a toilet of a hospital, for example, it can be rescued even if a wheelchair user falls in the toilet.

  In addition, this invention can be variously changed within the range of the invention specific matter described in the claim, without being limited to the said embodiment. For example, the hinge 20 does not form racks on both surfaces of the movable piece 21 by using rubber, a rough surface, or other material having a large friction coefficient on both side surfaces 21a of the movable piece 21 and the outer peripheral surface of the rolling portion 22a. You may make it not form a rack in the outer peripheral surface of the rolling part 22a. Moreover, the fitting part 23 does not need to be provided according to a use condition.

  The hinge 20 may be manually closed without providing the spring 25. Furthermore, the shafts 42 and 42 of the connecting body 24 of the hinge 20 are not provided protruding from the shielding body 40, but are constituted by a U-shaped shaft or the like whose both ends penetrate the rotation shaft. , 42 may be connected in series. Further, the hinge 20 is not formed by integrally forming the flange 22f and the support portion 22g in a T shape, and has, for example, a semi-cylindrical bulging portion 22h that is joined to the facing side end face 10a of the doors 11 and 12. If so, it may be constituted by a pentagonal frame.

  Further, the door is not limited to the folding door constituted by the two doors 11 and 12, and may be a double door. In this case, the frame 102 described in the background art corresponds to the panel body 10. The shield 40 is not limited to a pair of cylindrical bodies or column bodies 41, 41 joined at the side surfaces, but a pair of arcs that fit into the bowl-shaped opposite side end faces 10 a, 10 a of the pair of panel bodies 10, 10. You may comprise by a shape or a semi-cylindrical body, and the strip | belt-shaped board which connects these.

  The door according to the present invention can be effectively used for entrances of houses and stores, entrances and exits of bathrooms and toilets, telephone boxes, garages and the like.

It is a partial cross section perspective view showing one embodiment of a door concerning the present invention. It is a partial cross section top view which shows one Embodiment of the door which concerns on this invention. It is a partial cross section top view which shows one Embodiment of the door which concerns on this invention. It is a disassembled perspective view which shows one Embodiment of the door which concerns on this invention. It is a perspective view which shows one Embodiment of the hinge which comprises the door which concerns on this invention. It is a principal part expansion perspective view which shows one Embodiment of the door which concerns on this invention. It is a principal part enlarged plan view which shows one Embodiment of the door which concerns on this invention. It is a principal part expansion perspective view which shows one Embodiment of the door which concerns on this invention. It is a principal part enlarged plan view which shows one Embodiment of the door which concerns on this invention. It is a principal part expansion perspective view which shows one Embodiment of the door which concerns on this invention. It is a principal part enlarged plan view which shows one Embodiment of the door which concerns on this invention. It is a front view including the conventional door. It is a partial cross section plane of the door containing the conventional hinge. It is a cross-sectional plane of the conventional door.

Explanation of symbols

10 ... Panel body 10a ... Opposite side end face 11 ... Small door (panel body)
12 ... Large door (panel body)
20 …… Hinge 21 …… Moving piece 21a… Side 22 …… Rolling body 23 …… Fitting portion 24 …… Connecting body 40 …… Shielding body 41 …… Cylinder or cylinder 42 …… Axis

Claims (6)

A pair of rolling elements provided with a semi-cylindrical rolling part at the tip, and the rolling parts are arranged at regular intervals, and a rectangular parallelepiped shape or a cubic shape or both side surfaces with both side surfaces and both relative surfaces parallel to each other Is formed in a trapezoidal shape in which both relative surfaces are parallel, and both side surfaces are sandwiched between the rolling parts of a pair of rolling elements, and are orthogonal to the rotation axis of the rolling part by the rolling of the rolling parts. A movable piece that reciprocates in the direction to be moved, and an intermediate portion abuts against each relative surface of the movable piece, and both end portions protrude from each side surface of the movable piece so as to overlap each rolling element so that the pair of rolling elements can be freely connected. And two panel bodies are connected by a hinge that swings the rolling elements as the movable piece reciprocates between the rolling parts of the pair of rolling elements . The panel body is linear within a frame surrounded by two vertical frames and an upper frame that spans the upper end of the vertical frame. And closing the state lined up, also, a door of Orito to the door opening to the superimposed state,
The base end side of the one panel body is swingably attached to the one vertical frame, the distal end side of the other panel body is not constrained, and the opposing side end faces of both panel bodies are opposed to each other with a certain interval. The rolling elements are fixed so that the rolling parts of the hinge protrude from at least the upper and lower ends of each opposing side end surface, and the rotation centers of the rolling elements of both the rolling parts and the respective ends of the coupling body Communicating holes are formed, and the shielding body protruding from the shaft closes the space between the opposing end surfaces of the panel bodies, and the shaft of the shielding body is inserted into the communicating holes of the connecting body and the rolling element to shield the hinge A door characterized by being connected to the body . A pair of rolling elements provided with a semi-cylindrical rolling part at the tip, and the rolling parts are arranged at regular intervals, and a rectangular parallelepiped shape or a cubic shape or both side surfaces with both side surfaces and both relative surfaces parallel to each other Is formed in a trapezoidal shape in which both relative surfaces are parallel, and both side surfaces are sandwiched between the rolling parts of a pair of rolling elements, and are orthogonal to the rotation axis of the rolling part by the rolling of the rolling parts. A movable piece that reciprocates in the direction to be moved, and an intermediate portion abuts against each relative surface of the movable piece, and both end portions protrude from each side surface of the movable piece so as to overlap each rolling element so that the pair of rolling elements can be freely connected. Two panel bodies are connected by a hinge that swings when the movable piece reciprocates between the rolling portions of the pair of rolling elements, and one panel body is The other panel body is connected to one panel body so that it can be opened and closed in both directions. A casement door,
The opposite side end face of the other panel body is opposed to one panel body with a certain interval, and the other rolling element is protruded at least at both upper and lower ends of the opposite side end face of the other panel body. The rolling element is fixed, and the other rolling element of the hinge is fixed to one panel body so as to face the rolling element, and communicates with the rotation center of both the rolling elements and each end of the connecting body. A hole is formed, and the shield protruding from the shaft closes the space between the panel bodies, the shaft of the shield is inserted into the communication hole of the connecting body and the rolling element, and the hinge and the shielding body are connected. doors shall be the features a. The panel body has an opposing side end surface formed in a bowl shape,
3. The door according to claim 1 , wherein the shielding body is formed by joining a pair of cylindrical bodies or columnar bodies fitted on opposite surfaces of the panel bodies at the side surfaces .   The spring for automatically closing the panel body which opened is provided between the said rolling element and / or a movable piece, and the said connection body, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Described in the door.   The rack is formed on both sides of the movable piece, and the pair of rolling elements are formed with pinions that mesh with the rack. The listed door.   The door according to any one of claims 1 to 5, wherein each joint surface between the movable piece and a connecting plate of a connecting body is provided with a slidable fitting portion.

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