JP4763449B2 - Upper runner - Google Patents

Description

  The present invention relates to an upper runner that is attached to a lower load type folding door, sliding door, or the like that supports the load of the door plate on the lower side of the door plate and guides opening and closing movement on the upper side of the door plate.

Traditionally, sliding doors such as shoji and shoji have been widely used in houses, but in recent years, sliding doors that have a door-like appearance have been used not only in Japanese-style rooms but also in Western-style rooms because of space-saving benefits when opening and closing. It has come to be.
Furthermore, in order to reduce the weight at the time of opening and closing, which has been regarded as a drawback, improvements to door cars and rails have also been made.

FIG. 9 is a front view showing an attachment structure of the sliding door 8 according to the conventional example.
The door 9 is attached to the lower part of the sliding door 8 so as to run on the rail 301 provided on the sill 300, and the load of the door plate 8 is supported on the lower side.
On the other hand, an upper runner 100 is mounted on the upper part of the sliding door 8 and moves along a rail 201 provided in the Kamoi 200.

FIG. 10 is a cross-sectional view showing the mounting structure in the upper part of the sliding door 8 according to the conventional example.
The upper runner 100 mounted on the upper part of the sliding door 8 includes a support member 103 fixed to the upper part of the door plate 8, a support shaft 102 assembled to the support member 103 so as to advance and retreat in the vertical direction, and an upper end portion of the support shaft 102. It is comprised from the guide member 101 attached to.
The support shaft 102 is urged in a direction protruding upward from the support member 103 by an urging means (not shown) such as a spring. Further, the guide member 101 is rotatably attached to the outer peripheral direction thereof.
And the guide member 101 is inserted between the rails 201 provided in the duck 200, moves along the rails 201, moves the door plate 8, and opens and closes.

Moreover, as an improvement of the above conventional upper runner, the support member of the upper runner consists of an outer case and an inner part, and the insertion angle between the outer case and the inner part is changed so that the doorboard is erected in the front-rear direction. The invention in which the position is adjusted (Patent Document 1), the invention in which the lock member is provided and the guide member is accommodated in the support member (Patent Document 2), the support member is the outer case and the inner part An invention (Patent Document 3) is disclosed in which the inner portion is slid with respect to the outer case to adjust the position of the doorboard in the front-rear direction.
Japanese Patent No. 2863128 Japanese Patent No. 3001188 Japanese Patent No. 3089617

However, in the above-described conventional example, in order to smoothly move the guide member 101 of the upper runner 100 along the rail 201, it is necessary to provide play by making the width of the rail 201 slightly wider than the left and right widths of the guide member 101. was there. For this reason, noise occurs due to rattling caused by wind during opening and closing.
On the other hand, if play is reduced too much in order to prevent rattling, the door plate is caught even if it is slightly warped, making it difficult to open and close the door plate smoothly.

  There is also an upper runner with a structure in which the guide part is in close contact with the rail, but there is a loud sliding sound when opening and closing, and the guide part and rail paint due to friction during sliding etc. There was a problem of garbage generation. In particular, in the case of wooden heads, it was impossible to paint the bottom of the groove in the rail and the side of the groove completely smooth, and the surface was rough even if the paint was attached, so it was easy to peel off. .

  Accordingly, the present invention is for solving the above-described conventional problems, and stably holds the door plate without causing noise due to rattling or sliding at the upper portion of the door plate such as a sliding door, and removes paint. It provides an upper runner that does not generate garbage.

In order to solve the above-described conventional problems, the upper runner of the invention according to claim 1 is capable of moving back and forth in the vertical direction with respect to the support member (3) fixed to the upper portion of the door plate (8) and the support member (3). And a guide member (1) that is attached to the upper end of the support shaft (2) so as to cover the upper end of the support shaft (2) from the periphery , and is movable along a rail provided in the headquarters. When, in the above upper runner and a biasing means (4) to the support shaft from the support member (3) in the direction to protrude upward (2) for urging (10), the said support shaft (2) The upper end portion is formed to have a small diameter in two steps toward the tip end portion (21), the tip end portion (21) is exposed on the upper surface, the guide member (1) is circular in plan view, and the guide member ( The upper surface of 1) is inclined downward toward the radially outer periphery. The tapered inclined surface (11) is formed, has a V-shaped recess (51) with the opening facing downward, and the inclined surface with respect to the V rail (5) provided in the Kamoi (200) (11) and the guide member (1) are moved along the V rail (5) in a state where the guide member (1) is pressed upward so that the V-shaped recess (51) is fitted. It is characterized by that.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the guide member (1) is rotatably attached to the outer peripheral direction thereof.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein a protrusion (12) protruding upward is provided at the center of the upper surface of the guide member (1), and the V rail is provided. The guide member (1) is moved along the V rail (5) in a state where the protrusion (12) is inserted into the groove (G) formed along the bottom surface of (5). It is characterized by.

The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the guide member (1) is oil-impregnated rubber or plastic.
The oil-impregnated rubber is a rubber produced by adding an oil component, and is made to have a good sliding property upon contact by the action of the contained oil component.

  The symbols in parentheses indicate the best mode for carrying out the invention and the corresponding elements or the corresponding matters described in the drawings.

According to the first aspect of the present invention, the support shaft with the guide member attached to the upper end is assembled to the support member so as to be able to advance and retreat in the vertical direction, and the support shaft protrudes upward from the support member by the biasing means. Therefore, the guide member can be pushed upward.
Therefore, as is often the case with wooden houses, even if the position of the rail provided in the head is changed vertically from the original mounting position, the biased support shaft is moved up and down in the vertical direction. Since it can follow enough, the doorboard does not come off the rail. Further, even when the rail is twisted, the support shaft is not caught on the side surface of the rail, and the running of the door plate is not hindered.
Furthermore, since the guide member has a circular shape in plan view and a tapered inclined surface that is inclined downward toward the outer peripheral side in the radial direction is formed on the upper surface, a V-shaped recess having an opening facing downward is provided. The inclined surface and the V-shaped recess can be brought into contact with the rail so as to be fitted.
As described above, the guide member can be moved along the V rail while the guide member is pressed upward so that the inclined surface and the V-shaped concave portion are fitted, and at this time, the guide member is always in contact with the V rail. Since it is in a state, no rattling occurs due to rattling due to wind and wind at the time of opening and closing.
Further, since the guide member is in contact with the V rail by a line rather than a surface, the resistance at the time of opening and closing is small.

  According to the second aspect of the invention, in addition to the function and effect of the first aspect of the invention, since the guide member is rotatably attached to the outer peripheral direction, the guide member is attached to the V rail. Even if resistance occurs at the contact portion when moving along, the resistance can be absorbed by the rotation of the guide member and can be moved smoothly.

  According to the invention described in claim 3, in addition to the function and effect of the invention described in claim 1 or 2, the protruding portion that protrudes upward is provided at the center of the upper surface of the guide member. The protrusion can be inserted into the groove formed along the bottom surface of the V-rail. In this state, the guide member is moved along the V rail, so that the guide member is prevented from being detached from the V rail due to the engagement between the protruding portion and the groove portion, and the door plate can be stably held.

  According to the invention described in claim 4, in addition to the function and effect of the invention described in any one of claims 1 to 3, the guide member is made of oil-impregnated rubber or plastic. It is easy to slip when it comes into contact with and can be moved smoothly along the V-rail. Moreover, generation | occurrence | production of the dust by peeling of a coating etc. can be prevented.

Next, with reference to FIG. 1 thru | or FIG. 5, the upper runner which concerns on Embodiment 1 of this invention is demonstrated.
FIG. 1 is a front view showing the upper runner 10 according to the first embodiment, and FIG. 2 is a cross-sectional view showing the upper runner 10.

As shown in FIGS. 1 and 2, the upper runner 10 includes a guide member 1, a support shaft 2, a support member 3, and a spring 4.
The support member 3 has a bottomed and substantially cylindrical shape, and an insertion hole is provided in the vertical direction at the center of the support member 3, and the support shaft 2 is assembled to the insertion hole so as to be able to advance and retract in the vertical direction. Yes. Further, a spring 4 is mounted between the lower surface of the support shaft 2 and the bottom surface of the support member 3 as urging means for urging the support shaft 2 in a direction protruding upward from the support member 3.
A guide member 1 is attached to the upper end portion of the support shaft 2.

FIG. 3 is an enlarged plan view showing a part of the guide member 1 of the upper runner 10, and FIG. 4 is an enlarged cross-sectional view showing a part of the guide member 1.
As shown in FIGS. 3 and 4, the guide member 1 has a circular shape in plan view, and an inclined surface 11, a middle step portion 13, and a projecting portion 12 are concentrically centered around the tip end portion 21 of the support shaft 2 on the upper surface thereof. It is formed to draw.
Of these, the inclined surface 11 is formed in a tapered shape that is inclined downward toward the radially outer peripheral side of the guide member 1, and the protruding portion 12 is provided so as to protrude upward from the center of the upper surface of the guide member 1. It has been.
Further, the middle stage portion 13 forms a flat surface so as to connect the root side peripheral portion of the projecting portion 12 and the upper peripheral portion of the inclined surface 11. However, the middle step portion 13 is not necessarily required, and the base side peripheral portion of the projecting portion 12 and the upper peripheral portion of the inclined surface 11 may be directly connected.
As described above, the guide member 1 is formed in an umbrella shape having the protrusion 12 at the center.

The guide member 1 is attached so as to cover the upper end portion of the support shaft 2 from the periphery, and the distal end portion 21 of the support shaft 2 is exposed on the upper surface.
The guide member 1 may be fixed by adhesion or the like so as not to move with respect to the support shaft 2, but it is attached so that the guide member 1 can rotate in the outer peripheral direction around the support shaft 2. preferable.
The guide member 1 is preferably made of a material that can move smoothly when in contact with the rail. Particularly suitable are oil-impregnated rubber and plastics with excellent slipperiness such as nylon, silicone, and Teflon resin. The oil-impregnated rubber is a rubber produced by adding an oil component, and is made to have a good sliding property upon contact by the action of the contained oil component.

FIG. 5 is a cross-sectional view showing a mounting structure in the upper part of the sliding door using the upper runner 10 according to the first embodiment.
A rail 201 having a rectangular cross section is cut in the Kamoi 200, and the V rail 5 is fitted in the rail 201. The V rail 5 is formed in a substantially U-shaped cross section by a bottom wall portion 52 and side wall portions 53, 53 extending from both ends of the bottom wall portion 52, and the bottom wall portion 52 and the side wall portions 53, 53 form the V rail 5. A groove portion G is formed along the bottom surface. The V rail 5 is attached to the rail 201 of the Kamoi 200 with the opening facing downward.
V-shaped concave portions 51 and 51 that are inclined from the center in the width direction toward the outside and toward the opening side are formed at the ends of the side walls 53 and 53 of the V rail 5. The V-shaped recesses 51 and 51 are adapted to be fitted to the inclined surface 11 of the upper runner 10.
The V rail 5 is preferably made of a material that can move smoothly when in contact with the guide member 1. In particular, aluminum and plastic are suitable.

  The groove part G formed on the bottom surface of the V rail 5 can have various widths and depths. In general, a large groove G having a wide width is also referred to as a “Y rail”, but the V rail in the present embodiment may be any one having V-shaped recesses 51, 51. Is also included.

The upper runner 10 is fixed by inserting the support member 3 into a vertical hole provided in the upper part of the door plate. When the door plate is opened and closed, the guide member 1 of the upper runner 10 moves along the V rail 5.
At this time, the guide member 1 is pressed upward by the spring 4, and the inclined surface 11 of the guide member 1 and the V-shaped recess 51 of the V rail 5 are engaged with each other, and the inclined surface 11 and the V-shaped recess 51 are Always contact during movement. Furthermore, since the guide member 1 has an umbrella shape, the contact portion between the inclined surface 11 and the V-shaped recess 51 is not a surface but a line (a broken line portion T1 in FIG. 3).

  Further, the protruding portion 12 of the guide member 1 is inserted into the groove portion G of the V rail 5. A gap is provided between the tip of the protruding portion 12 and the bottom surface of the groove portion G, and the upward pressing force of the guide member 1 is received at the contact portion between the inclined surface 11 and the V-shaped recess 51. It is like that.

In this embodiment, the V rail 5 is fitted and fixed in the rail 201, but a V rail 50 as shown in FIGS. 11 and 12 may be used. FIG. 11 is a perspective view of the V rail 50, and FIG. 12 is a cross-sectional view showing a fixed state of the V rail 50.
The V rail 50 is formed with flange portions 54, 54 that are bent outward from the side wall portions 53, 53, and the flange portions 54, 54 are provided with a plurality of screw holes 55. Then, the screw 80 is inserted into the screw hole 55 and fixed to the Kamoi 200.
Accordingly, even when the rail 201 is too wide, the V rail 50 can be fixed.

According to the upper runner 10 according to the first embodiment, the support shaft 2 with the guide member 1 attached to the upper end is assembled to the support member 3 so as to be able to advance and retract in the vertical direction, and the support shaft 2 is detached from the support member 3 by the spring 4. Since the urging is performed in a direction protruding upward, the guide member 1 can be pushed upward.
Therefore, as is often the case with wooden houses, the vertical direction of the biased support shaft 2 is maintained even when the position of the rail 201 provided in the Kamoi is changed in the vertical direction from the original mounting position. The doorboard is not detached from the rail 201 because the door can be sufficiently followed by advancing and retreating. Further, even when the rail 201 is twisted, the support shaft 2 is not caught on the side surface of the rail 201, and no trouble occurs in the running of the door plate.
Further, since the guide member 1 has a circular shape in plan view and a tapered inclined surface 11 which is inclined downward toward the outer peripheral side in the radial direction is formed on the upper surface, the V-shaped concave portion 51 with the opening facing downward is formed. The inclined surface 11 and the V-shaped recess 51 can be brought into contact with the V rail 5 provided.
As described above, the guide member 1 can be moved along the V rail 5 in a state where the guide member 1 is pressed upward so that the inclined surface 11 and the V-shaped recess 51 are fitted, and at this time, the guide member 1 is Since it is always in contact with the V-rail 5, there will be no rattling caused by rattling due to wind and wind during opening and closing.
Further, since the guide member 1 is in contact with the V rail 5 by a line rather than a surface, the resistance at the time of opening and closing is small.

  Moreover, since the protrusion part 12 which protrudes upwards is provided in the upper surface center part of the guide member 1, inserting the protrusion part 12 in the groove part G formed along the bottom face of the V-shaped recessed part 51 of the V rail 5 Can do. Since the guide member 1 is moved along the V rail 5 in this state, the guide member 1 is prevented from being detached from the V rail 5 due to the engagement between the protruding portion 12 and the groove portion G, and the door plate is stably moved. Can be held.

  Moreover, even if resistance arises in a contact part when the guide member 1 moves along the V-rail 5 by attaching the guide member 1 so that rotation to the outer peripheral direction is carried out, it will resist by rotation of the guide member 1 Can be absorbed and moved smoothly.

Further, by forming the guide member 1 with oil-impregnated rubber or plastic, it is easy to slip when in contact with the V rail 5 and can be moved smoothly along the V rail 5. Moreover, generation | occurrence | production of the dust by peeling of a coating etc. can be prevented.
Furthermore, by making the V rail 5 made of aluminum or plastic, it is possible to move more smoothly and to prevent the generation of dust due to peeling of the paint more effectively.

Next, with reference to FIG. 6 thru | or FIG. 8, the upper runner which concerns on Embodiment 2 of this invention is demonstrated.
The upper runner 20 according to the second embodiment has substantially the same configuration as the upper runner 10 according to the first embodiment, but the shape of the guide member is different.
FIG. 6 is an enlarged plan view showing a portion of the guide member 6 of the upper runner 20, and FIG. 7 is an enlarged sectional view showing a portion of the guide member 6.

As shown in FIGS. 6 and 7, the guide member 6 has a circular shape in plan view, and an inclined surface 61 is formed on the upper surface thereof. The inclined surface 61 is formed in a tapered shape that is inclined downward from the radial center portion of the guide member 6 toward the radially outer peripheral side. Unlike the guide member 1 according to the first embodiment, no protrusion is formed on the guide member 6 according to the second embodiment.
As described above, the guide member 6 is formed in an umbrella shape having the inclined surface 61 of a certain angle from the radial center to the radially outer peripheral side.
The guide member 6 is attached so as to cover the entire upper end portion of the support shaft 2, and the tip of the support shaft 2 is not exposed on the upper surface.

FIG. 8 is a cross-sectional view showing a mounting structure in the upper part of the sliding door using the upper runner 60 according to the second embodiment.
A rail 201 having a rectangular cross section is cut in the Kamoi 200, and the V rail 7 is fitted in the rail 201.
V-shaped recesses 71 and 71 are formed in the V rail 7 so as to incline from the center in the width direction toward the outside and toward the opening. The V-shaped recesses 71 and 71 are adapted to be fitted to the inclined surface 61 of the upper runner 60. In Embodiment 2, the groove part G like the V rail 5 in Embodiment 1 is not formed. The V rail 7 is attached to the rail 201 of the Kamoi 200 with the opening facing downward.

Similarly to the upper runner 10 according to the first embodiment, when the door plate is opened and closed, the guide member 6 of the upper runner 60 moves along the V rail 7.
At this time, the guide member 6 is pressed upward by the spring 4, and the inclined surface 61 of the guide member 6 and the V-shaped recess 71 of the V rail 7 are engaged with each other, and the inclined surface 61 and the V-shaped recess 71 are Always contact during movement. Furthermore, since the guide member 6 has an umbrella shape, the contact portion between the inclined surface 61 and the V-shaped recess 71 is not a surface but a line (a broken line portion T2 in FIG. 6).

According to the upper runner 60 according to the second embodiment, in the same manner as the upper runner 10 according to the first embodiment, the guide member 6 is pressed upward so that the inclined surface 61 and the V-shaped recess 71 are fitted to each other. The member 6 can be moved along the V-rail 7, and the guide member 6 is always in contact with the V-rail 7 at this time. Absent.
Further, since the guide member 6 is in contact with the V rail 7 by a line rather than a surface, the resistance at the time of opening and closing is small.

In the first embodiment and the second embodiment, the example in which the sliding door is used as the door plate is shown, but the present invention can also be applied to a folding door, a storage door, and the like.
Furthermore, the support member of the upper runner described as background art consists of an outer case and an inner part, and the insertion angle between the outer case and the inner part is changed to adjust the position of the doorboard in the front-rear direction. Invention (Patent Document 1), an invention in which a lock mechanism is provided to maintain the state in which the guide member is accommodated in the support member (Patent Document 2), the support member is composed of an outer case and an inner part, It is possible to combine with the invention (Patent Document 3) etc. in which the position of the erection of the doorboard is adjusted in the front-rear direction by sliding the inner part with respect to the case, and to provide a more effective upper runner it can.

It is a front view which shows the upper runner which concerns on Embodiment 1 of this invention. It is sectional drawing which shows the upper runner which concerns on Embodiment 1. FIG. It is an enlarged plan view showing a portion of a guide member of the upper runner according to the first embodiment. It is an expanded sectional view showing a portion of a guide member of an upper runner concerning Embodiment 1. It is sectional drawing which shows the attachment structure in the sliding door upper part using the upper runner which concerns on Embodiment 1. FIG. 10 is an enlarged plan view showing a portion of a guide member of an upper runner according to Embodiment 2. FIG. It is an expanded sectional view showing a portion of a guide member of an upper runner concerning Embodiment 2. It is sectional drawing which shows the attachment structure in the sliding door upper part using the upper runner which concerns on Embodiment 2. FIG. It is a front view which shows the attachment structure of the sliding door which concerns on a prior art example. It is sectional drawing which shows the attachment structure in the sliding door upper part which concerns on a prior art example. It is a perspective view which shows the V rail which concerns on other embodiment. It is sectional drawing which shows the fixed state of the V-rail which concerns on other embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Guide member 2 Support shaft 3 Support member 4 Spring 5 V rail 6 Guide member 7 V rail 8 Door plate 9 Door car 10 Upper runner 11 Inclined surface 12 Protruding part 13 Middle part 21 Tip 50 V rail 51 V-shaped recessed part 52 Bottom wall part 53 Side wall portion 54 Gutter portion 55 Screw hole 60 Upper runner 61 Inclined surface 71 V-shaped recess 80 Screw 100 Upper runner 101 Guide member 102 Support shaft 103 Support member 300 Sill 301 Rail 200 Kamoi 201 Rail G Groove

Claims (4)

A support member fixed to the upper part of the door plate, a support shaft assembled to the support member so as to be able to advance and retreat in the vertical direction, and attached to the upper end portion of the support shaft so as to cover the upper end portion thereof from the surroundings In an upper runner comprising a guide member movable along a given rail, and a biasing means for biasing the support shaft in a direction protruding upward from the support member,
The upper end portion of the support shaft is formed to have a small diameter in two steps toward the tip portion, and the tip portion is exposed on the upper surface,
The guide member is circular in plan view, and a tapered inclined surface that is inclined downward toward the radially outer peripheral side is formed on the upper surface of the guide member,
The guide is provided with a V-shaped recess having an opening facing downward, and the guide member is pressed upward so that the inclined surface and the V-shaped recess are fitted to a V-rail provided in the headquarters. An upper runner characterized in that a member is moved along the V-rail.   The upper runner according to claim 1, wherein the guide member is rotatably attached to an outer peripheral direction thereof.   A protrusion projecting upward is provided at the center of the top surface of the guide member, and the guide member is moved along the V rail in a state where the protrusion is inserted into a groove formed along the bottom surface of the V rail. The upper runner according to claim 1, wherein the upper runner is moved.   The upper runner according to any one of claims 1 to 3, wherein the guide member is oil-impregnated rubber or plastic.

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