JP6423258B2 - Rail runner running structure - Google Patents

Description

The present invention relates to a traveling structure for a rail runner that suspends and supports curtains, sheets, and screens and travels along an upper hanger rail.

  Rail runners run along the upper hanger rail while hanging and supporting curtains, sheets and screens (including partitions and boxes), and various types of rail runners have been developed. Various rollers that make up the runner have been developed. FIG. 11 is a cross-sectional view of a conventional rail runner attached to an upper hanger rail. As shown in FIGS. 11 (a), 11 (b), and 11 (c), the rollers 500 and 600 used for the rail runners have a rectangular cross section (FIGS. 11 (a) and 11 (b)) and upper hanger rails. There is a roller 700 (FIG. 11 (c)) having a circular cross section at a location in contact with the rail piece W, and the roller material is made of metal, stainless steel, synthetic resin, or the central portion of the roller. Some are made of metal or stainless steel, and the outer periphery is made of synthetic resin. Some rail runners include bearings and magnets.

  Patent Document 1 describes a technique related to a folding horizontal pulling shutter that can move smoothly along an upper rail having a curved portion, and as shown in FIG. It is described that it does not get caught when it is rounded.

Further, the applicant of the present application is `` a hanger rail installed in a horizontal posture on the ceiling side, a plurality of runners loaded to run freely on the hanger rail, a guide rail installed in a horizontal posture on the floor corresponding to the hanger rail, A plurality of pole members for attaching the upper end portion to the runner of the hanger rail and slidingly guiding the lower end portion by the guide rail, and a flexible screen sheet stretched between the plurality of pole members, the runner The screen sheet is folded into a corrugated shape by running a plurality of pole members in a direction that narrows the distance between them, and the screen sheet is expanded by running in a direction that widens the distance between the pole members. In a horizontal screen device that can be opened or closed in a double-opening or single-opening manner The plurality of pole members are arranged corresponding to the respective valley folds of the screen sheet folded into a corrugated shape when the lateral screen device is observed from the outside in use, and the plurality of valleys of the screen sheet are arranged. On the left and right sides of the plurality of pole members positioned in the folding portion, at least one in two is a bullet in a state of being superimposed and adhered to the left and right screen sheets connected via the pole members. One end of the elastic plate is attached together with the screen sheet, and the elastic plate is attached to both the left and right sides of the pole member.The elastic plate is used with the pole member as a fulcrum when the screen sheet is operated in the unfolded state. It is elastically deformed along with the screen sheet and is biased in a direction to return the screen sheet to the folded state. Has patented lateral pulling screen device. "Characterized by (Patent Document 2).
Further, the applicant of the present application stated that “a hanger rail installed in a horizontal position on the ceiling side, a plurality of pole members suspended on the hanger rail via runners, and a floor for slidingly guiding the lower end of the pole member. The unit screen sheet includes a guide rail and a flexible unit screen sheet that is stretched between the plurality of pole members, and the plurality of pole members are caused to travel in a direction that narrows a mutual interval through the runner. In the horizontal sliding screen device that opens and closes by unfolding the unit screen sheet by moving the plurality of pole members in a direction that widens the interval between the pole members, Is detachably attached to one or both of the main pole member functioning as a strength member and the left and right side portions of the main pole member. The sub-pole member functioning as a connecting member for the unit screen sheet, the sub-pole member removed from the main pole member is attached to the left and right side edges of the unit screen sheet in advance, and the sub-pole member is attached. The horizontal screen device is characterized in that the unit screen sheet can be retrofitted between the adjacent main pole members suspended on the hanger rail via the auxiliary pole member. " (Patent Document 3).

JP 2012-172445 A Japanese Patent No. 4,217,838 Japanese Patent No. 4671155

By the way, in the midsummer under the hot sun, the upper hanger rail is heated by the strong sun light, and expansion and distortion occur. Therefore, a gap is provided in advance between the rail and the rail (FIG. 9). Or, due to the expansion and distortion of the upper hanger rail, there may be a displacement in the width direction at the connecting portion between the rails (FIG. 10A). However, when a conventional rail runner is used, if a position shift occurs at the connecting portion, the roller comes into contact with the position shift portion, and the roller 500 cannot travel smoothly, resulting in noise (pseudo-sound). Sometimes stopped (FIG. 10B).
In addition, some upper hanger rails used in curtains, seats, and screens (horizontal screens, etc.) have curved corners, but the rail runner is the corner of the upper hanger rail. When the vehicle runs on the corner portion, the rail runner roller 800 is inclined at the corner portion where the curve is strong, and a situation arises where the roller piece floats from the rail piece W of the upper hanger rail (FIG. 12). When the roller 800 comes into contact with the inner surface of the upper hanger rail other than the rail piece W, the roller 800 in the upper hanger rail does not run smoothly, and the bending accuracy of the upper hanger rail at the corner is poor. The smooth rotation of the roller is hindered, noise (sound) is generated, and sometimes it stops.
On the other hand, as in the conventional publication, it is considered to devise the rail side in order to cope with the above problem, but there is a problem that the rail shape becomes complicated and the manufacturing cost becomes high.
It is also conceivable to form roundness on both sides of the roller. However, when the angle of inclination of the roundness is small, the sliding area between the roller and the rail piece W becomes narrow, and the area when the roller travels is narrow. As a result, the durability of the roller deteriorates and the roller needs to be replaced frequently. In addition, since both sides of the roller are cut, the size of the roller is reduced and the strength is insufficient.
On the contrary, when the inclination angle of the roundness on both side surfaces of the roller is large, the roller cannot smoothly run at the corner portion or the rail connection portion as described above.

Accordingly, an object of the present invention is to enable smooth running without collision or noise between the upper hanger rail and the roller, even at a connecting portion where the positional deviation between the rails has occurred, or a corner portion having a strong curvature, and the roller The object is to provide a running structure for a rail runner that ensures durability and strength.

Traveling structure of the rail for the runner of the present invention, a curtain, hanging sheet or screen or the like supporting, in the running configuration of the runner rail which runs in the rail by a pair of rollers, the contacting inner wall portion of the rail The outer periphery of the roller is formed with an incline so as not to contact the inner wall of the rail, the outer surface of the roller is formed in a conical shape, and the apex portion thereof contacts the inner wall of the rail. It is characterized by.
Further, the rail runner traveling structure of the present invention is a rail runner that suspends and supports a curtain, a sheet, or a screen and travels in a rail by a pair of rollers, and the roller is disposed on the outer periphery of the rail. inclined to not come into contact with the inner wall is formed, and wherein the inclined outer periphery of the inner surface is formed.
Here, the “outer surface of the roller” means an outer portion (FIG. 3A) based on the reference line C of the roller when viewed from the front (when viewed from the running surface on the rail ), and It is defined as the side surface of the roller that faces the rail side surface, and the “inner side surface of the roller” refers to the inner portion of the roller when viewed from the front (when viewed from the running surface on the rail ) with reference to the roller reference line C ( 3 (a)) and is defined as a side surface facing the roller support member.
Here, the “reference line C” is defined as a line perpendicular to the central axis of the roller at an arbitrary position in the width direction of the roller when the roller is viewed from the front (when viewed from the running surface on the rail ). In addition, a center line when the roller is viewed from the front (when viewed from a running surface on the rail ), a line obtained by shifting the center line in the left-right direction, and the like are included.
According to the present invention, when a roller having a slope formed on the outer periphery of the outer surface is caused to run so as to be in sliding contact with the inner wall of the rail, the inclined portion of the roller does not contact the rail side surface. Noise and stoppages are reduced.
Further, even when there is a positional shift at the connecting portion of the rail, the outer periphery of the outer surface of the roller can travel smoothly and quietly without colliding with the rail side surface.
And when traveling along the strongly curved corner portion of the rail, conventionally, the roller is inclined in the rail and lifted from the rail piece of the rail, and the outer periphery of the outer surface of the roller is on the rail side surface of the rail. However, according to the present invention, since the inclination angle of the outer periphery of the outer surface of the roller is large (because the outer periphery of the outer surface is inclined more acutely than the outer periphery of the inner surface of the roller), It is a shape that does not easily lift from the rail piece of the rail (it can run smoothly and quietly in the corner without being caught by the roller), and even if the accuracy of curve processing is poor, it absorbs the error, Smooth roller running becomes possible.
Further, since the outer periphery of the inner surface of the roller has a larger inclination angle than the outer periphery of the outer surface, the inner surface of the roller can have a larger sliding area with the rail piece than the outer surface. Durability and strength can be ensured.

According to the present invention, the rail is made of a square hollow material, and the outer surface of the roller is formed in a conical shape or a truncated cone shape.
According to the present invention, only the center of the outer surface of the roller is in contact with the rail side surface (side surface of the inner wall), and also in a curved corner, it rotates around the center of the outer surface of the roller. Even if the running performance is stable and the shift between the connecting portions of the rails occurs, the shift can be absorbed and the vehicle can travel and prevent a situation where the vehicle stops or generates noise.
Further, according to the present invention, the rail is made of a square hollow material, and the outer surface of the roller partially contacts the inner wall of the rail, and the outer periphery of the inner surface of the roller is inclined in an arc shape. And the outer periphery of the outer surface of the roller is linearly inclined, the outer periphery of the inner surface of the roller and the outer periphery of the outer surface are inclined linearly, or the outer periphery of the inner surface of the roller and the outer surface The outer periphery is inclined in an arc shape.
According to these inventions, the rail is made of a square hollow material, and the outer surface of the roller is partly in contact with the inner wall of the rail. The sliding contact degree with the inner wall of the material becomes good, and the durability and strength of the roller can be secured.

The present invention, the roller is, the right or left of a different shape the position of any width direction of the running surface on the rail as a reference, the left or right different shapes with respect to the center line of the running surface on the rail Alternatively, the left and right shapes are different via a flat portion that is in contact with the running surface on the rail, and the pair of rollers are opposed to each other on the left and right sides of the support member.
According to the present invention, if the inclination is formed in a range outside the reference line of the roller with respect to the deviation amount when the rails are connected to each other, it is sufficient to absorb the deviation amount. Further, since the inclination of the outer periphery is formed from the center line of the roller or a position in an arbitrary width direction, a balance with the above-described effect is maintained so as not to adversely affect the running performance of the roller. The

In the rail runner of the present invention, the roller and / or the rail are made of metal or stainless steel.
In the case where the roller and / or the rail is made of metal or stainless steel, the noise of traveling as a problem becomes large, and the processing accuracy as a product is difficult to maintain as compared with a resin product or the like. According to the present invention, it is possible to provide a runner for a rail that can be used in place of a resin product or the like if the traveling noise is reduced and the processing accuracy of the tilt angle can be maintained.

  According to the present invention, even if there is a misalignment of the rail connection location, the inclined location of the roller does not come into contact with the rail side surface, so this misalignment is absorbed and smooth running is possible. In addition, the vehicle can run smoothly even at the corner of the curve. That is, even if the accuracy of the curve processing is poor, the error can be absorbed and smooth roller running becomes possible. Further, even in a sharp curve portion, the shape of the rail hardly lifts from the rail piece, and has an effect of preventing the roller from lifting at the corner.

It is a disassembled perspective view of the horizontal screen apparatus to which the runner for rails of the 1st Embodiment of this invention is applied. FIG. 2 is an enlarged view of FIG. 1 and is a perspective view showing a rail runner 10. It is a figure which shows the runner 10 for rails of the 1st Embodiment of this invention, (a) is a front view, (b) is a side view. FIG. 2 is an enlarged view of B in FIG. 1 and a perspective view showing a rail runner 20. It is a figure which shows the runner 20 for rails of the 1st Embodiment of this invention, (a) is a front view, (b) is a side view. It is a figure which shows the state which attached the runner for rails of the 1st Embodiment of this invention to the upper hanger rail, (a) is a front view, (b) is a case where a corner | angular part is provided in the inner wall of an upper hanger rail. It is a front schematic diagram. It is a front view which shows the runner for rails of the 2nd Embodiment of this invention, (a) is a front view at the time of making a 2nd V-shape only into an outer cross section with respect to the roller whose cross section is an ellipse, b) is a front view in the case where only the outer cross section of the roller having a rectangular cross section has a second V-shape. It is the upper end part enlarged view of the roller of this invention, (a) is the upper end part enlarged view of the roller of the 3rd Embodiment of this invention, (b) is the upper end part enlarged view of the roller of the 4th Embodiment of this invention. FIG. It is a perspective view which shows the connection location of an upper hanger rail. It is sectional drawing which shows the connection location of an upper hanger rail, (a) is VV sectional drawing of FIG. 9, (b) is the outline of the state which the runner for conventional rails is driving | running the connection location of an upper hanger rail. FIG. 4C is a schematic view showing a state in which the rail runner of the present invention travels along the connecting portion of the upper hanger rail. It is sectional drawing at the time of attaching the conventional runner for rails to an upper hanger rail. It is a front view in case the conventional runner for rails inclines in an upper hanger rail.

  Specific embodiments to which the present invention is applied will be described below in detail with reference to the drawings.

(First embodiment)
FIG. 1 is an exploded perspective view of a horizontal screen device to which a rail runner according to a first embodiment of the present invention is applied. 6A and 6B are views showing a state in which the rail runner according to the first embodiment of the present invention is attached to the upper hanger rail. FIG. 6A is a front view, and FIG. 6B is a diagram showing corners on the inner wall of the upper hanger rail. FIG.

  The horizontal screen device includes an upper hanger rail 1 installed on the ceiling of a building, a lower embedded rail 7 installed on the floor, and a rail runner 10 according to the present invention loaded on the upper hanger rail 1 so as to run freely. , 20, intermediate traveling poles 4, 4, and the like suspended from the rail runner 10, traveling poles 3, 3, and the like suspended from the rail runner 20, and the intermediate traveling pole 4 And a screen sheet 8 stretched between the traveling poles 3 (FIG. 1).

The upper hanger rail 1 includes a rail piece W, a rail side surface 31, and a rail upper surface 32, is formed in a reverse concave shape in cross section, and rail runners 10 and 20 are movably attached inside (FIG. 6A). . The upper hanger rail 1 is fixed with the rail upper surface 32 attached to the ceiling R by the mounting brackets 2 arranged at regular intervals. The mounting bracket 2 is also used at a connection location for connecting the upper hanger rails.
The upper hanger rail is made of metal or stainless steel.
The lower embedded rail 7 is a rail-shaped member having a groove, and is embedded in the floor in a state corresponding to the upper hanger rail 1.
The intermediate traveling pole 4 is formed as a cross-section in which J-shaped cross-section members are integrated back to back (FIG. 2), and by fixing the end portions of the screen sheet 8 to the J-shaped cross-section grooves at both ends, respectively. The screen sheets 8 are joined together to form one long screen.
The traveling pole 3 has a pipe shape (FIG. 4), and the screen sheet 8 is wound around the traveling pole and closed by sewing. Both the intermediate traveling pole 4 and the traveling pole 3 are made of a metal material such as an aluminum alloy.
The screen sheet 8 is used as a screen of a horizontal screen device, and is formed of canvas, vinyl chloride sheet, net base sheet, other flexible sheet material, or the like.
The intermediate traveling pole 4 and the traveling pole 3 are suspended from the rail runners 10 and 20 at the upper end on the paper surface, and the lower ends are fitted into the grooves of the lower embedded rail 7 so as to be able to travel. Therefore, when the rail runners 10 and 20 move in the upper hanger rail 1, the intermediate traveling pole 4, the traveling pole 3, and the screen sheet 8 are similarly between the upper hanger rail 1 and the lower embedded rail 7. The horizontal screen device can be opened and closed.

  FIG. 2 is an enlarged view of A in FIG. 1, and is a perspective view showing the rail runner 10. Drawing 3 is a figure showing runner 10 for rails of a 1st embodiment of the present invention, (a) is a front view and (b) is a side view.

The rail runner 10 includes a pair of rollers 11 and 11, a support member 12 that supports the pair of rollers 11 and 11, and a connecting bar 13 that is connected to the intermediate traveling pole 4.
When viewed from the side, the roller 11 has a circular shape with a diameter of about 38 mm (FIG. 3B), and has a thickness of about 6 mm. The inner surface 11b of the roller 11 facing the support member 12 has a shape in which the cross section of the outer periphery 11e of the inner surface is inclined with an arcuate roundness (tangent angle θ2 at the midpoint of the arc line) toward the reference line C. is there. Here, the tangent angle of the midpoint of the arc line has the same meaning as the inclination angle. The outer surface 11a of the roller 11 facing the rail side surface 31 is linearly inclined at an inclination angle θ1 formed by a cross section of the outer periphery 11d of the outer surface toward the reference line C. When the roller is viewed from the front, the width of the outer periphery 11d of the outer surface 11a is H1. Therefore, the cross section of the outer surface 11a is trapezoidal (FIG. 3A), and the outer surface 11a of the roller 11 is perpendicular to the plane on which the rotation center of the outer surface 11a is provided and the center point of the outer surface 11a ( It is formed in a truncated cone shape with a line passing through the rotation center) as the central axis. Inclination angle θ2 ≧ inclination angle θ1, and in the first embodiment, preferably 30 ° ≦ inclination angle θ1 ≦ 60 °, and more preferably inclination angle θ1 = 45 °. Therefore, the outer peripheral cross section of the roller 11 has a first V-shape, and one side of the first V-shape (the outer periphery 11e on the inner surface) is arcuate and the other side (the outer periphery 11d on the outer surface). Has an irregular shape that is linear. In addition, although it contacts the inner wall of the rail at the center of the outer surface 11a of the roller 11, it does not contact the outer periphery 11d of the outer surface.

  Therefore, even if there is a deviation Hb at the rail-to-rail connection location (FIG. 10C), if the width H1 of the outer periphery 11d of the outer surface 11a of the roller 11 is larger than the deviation Hb, the deviation is eliminated. Absorbs and stops due to collision. Note that the reference line C is not limited to the center position of the roller 11, and any position in the width direction of the roller 11 can be used as the reference line. The roller 11 can have different left and right shapes (shapes of the inner surface and the outer surface) with respect to the reference line C, and the width H1 of the outer periphery 11d of the outer surface 11a of the roller 11 is increased. If this is the case, it is possible to cope with larger rail displacement.

The pair of rollers 11 and 11 are connected by a shaft (a central axis of the support member 12) with the inner side surfaces 11b and 11b facing each other.
The material of the roller 11 may be a metal such as chrome, stainless steel or resin, and the center may be made of metal and the outer periphery may be made of resin.
The support member 12 functions as a bearing member that rotatably supports a shaft connecting the pair of rollers 11 and 11. When the support member 12 is viewed from the front, the length of the short side is about 20.2 mm.
The connecting bar 13 has a rectangular parallelepiped shape, and the upper upper end on the paper surface is fixed to the support member 12 by welding. A connecting hole 13a is provided at the front center of the connecting bar. The connecting hole 13a is aligned with the hole of the intermediate traveling pole 4, and a fixing member such as a screw is inserted to insert the intermediate traveling pole 4 and the connecting bar. 13 is fixedly connected. The connection bar 13 has a short side length of about 19 mm, a long side length of about 93.5 mm, and a thickness of 6 mm when viewed from the front.

  FIG. 4 is an enlarged view of B in FIG. 1, and is a perspective view showing the rail runner 20. Drawing 5 is a figure showing runner 20 for rails of a 1st embodiment of the present invention, (a) is a front view and (b) is a side view.

The rail runner 20 includes a pair of rollers 21 and 21, a support member 22 that supports the pair of rollers 21 and 21, and a connecting screw 23 that is connected to the traveling pole 3.
When viewed from the side, the roller 21 has a circular shape with a diameter of about 38 mm (FIG. 4B), and has a thickness of about 7 mm. The inner surface 21b of the roller 21 facing the support member 22 has a shape in which the cross section of the outer periphery 21e of the inner surface is inclined with an arcuate roundness (tangent angle θ4 of the midpoint of the arc line) toward the reference line C. is there. Here, the tangent angle of the midpoint of the arc line has the same meaning as the inclination angle. The outer surface 21a of the roller 21 facing the rail side surface 31 has a cross section of the outer surface 21d of the outer surface inclined linearly toward the reference line C at an inclination angle θ3. Therefore, the cross section of the outer surface 21a is trapezoidal (FIG. 5A), and the outer surface 21a of the roller 21 is perpendicular to the plane on which the rotation center of the outer surface 21a is provided and the center point of the outer surface 21a ( It is formed in a truncated cone shape with a line passing through the rotation center) as the central axis. The tilt angle θ4 ≧ the tilt angle θ3, and in the first embodiment, preferably 30 ° ≦ the tilt angle θ3 ≦ 60 °, and more preferably the tilt angle θ3 = 45 °. Therefore, the outer peripheral cross section of the roller 21 has a first V-shape, and one side of the first V-shape (the outer periphery 21e on the inner surface) is arcuate and the other side (the outer periphery 21d on the outer surface). Has a linear irregular shape. Note that the rail 21 is in contact with the inner wall of the roller 21 at the center of the outer surface 21a but not at the outer periphery 21d of the outer surface.
The pair of rollers 21 and 21 are connected by a shaft with the inner side surfaces 21b and 21b facing each other.
The material of the roller 21 is a metal such as chrome, stainless steel, or resin, and there is a roller 21 made of metal at the center and made of resin at the outer periphery.
The support member 22 functions as a bearing member that rotatably supports a shaft connecting the pair of rollers 21 and 21. When the support member 22 is viewed from the front, the length of the short side is about 19.1 mm.
The connection screw 23 has a cylindrical shape at the upper end on the paper surface, and a cylindrical male screw is formed from the center to the lower end. The upper end is fixed to the support member 22, and the lower end is screwed into a female screw formed on the traveling pole 3, thereby coupling and fixing the connecting screw 23 and the traveling pole 3.

  The effect at the time of using the rail runner of the 1st Embodiment of this invention is demonstrated using FIG. FIG. 10 is a cross-sectional view showing a connection portion of the upper hanger rail, (a) is a VV cross-sectional view of FIG. 9, and (b) is a conventional rail runner running along the connection portion of the upper hanger rail. The schematic of a state, (c) is the schematic of the state which the runner for rails of this invention is drive | working the connection location of an upper hanger rail.

When the horizontal screen device is used, when the horizontal screen device is opened and closed, the rail runners 10 and 20 rotate in the upper hanger rail 1. When the rail runners 10 and 20 travel along the connecting portion of the upper hanger rail 1, the outer peripheries 11 d and 21 d of the outer surfaces 11 a and 21 a of the rollers 11 and 21 are inclined at an acute angle. even if the positional deviation in the width direction at connection points are present, without the outer surface 11a of the roller 11 and 21, 21a impinges on the rail side 31, to run smoothly and quietly juncture (FIG. 10C). That is, even if there is a deviation Hb in the rail-to-rail connection location (reference numeral Hb in FIG. 10C), the widths H1 of the outer peripheries 11d and 21d of the outer surfaces 11a and 21a of the rollers 11 and 21 are different from each other. It absorbs Hb and does not stop due to a collision. Since the outer peripheries 11e and 21e of the inner surfaces 11b and 21b of the rollers 11 and 21 have an inclination angle larger than the outer peripheries 11d and 21d of the outer surfaces 11a and 21a (θ2 ≧ θ1, θ4 ≧ θ3), the rollers The sliding area of 11 and 21 and the said rail piece W can be provided widely, and durability and intensity | strength of a roller can be ensured.

  In addition, when the rail runners 10 and 20 run on the strongly curved corner portion of the upper hanger rail 1, the rollers 11 and 21 of the rail runners 10 and 20 are inclined, and the upper hanger rail 1 The outer surfaces 11a and 21a of the rollers 11 and 21 come into contact with the rail side surface 31 of the upper hanger rail 1 (see FIG. 12), but the outer periphery 11d of the outer surfaces 11a and 21a of the rollers 11 and 21 rises from the rail piece W. , 21d are inclined at an acute angle, so that the corners can run smoothly and quietly without the rollers 11 and 21 being caught. Further, since the outer peripheries 11d and 21d of the outer surfaces 11a and 21a of the rollers 11 and 21 are inclined at an acute angle, the rail runners 10 and 20 suspend the sheets and screens via the support members 11 and 21, respectively. Therefore, in combination with the force pulled downward, the rollers 11 and 21 are tilted at the corner portion to prevent the upper hanger rail 1 from being lifted from the rail piece W.

  Further, as shown in FIG. 6 (b), outer peripheries 11d, 21d of the outer surfaces 11a, 21a of the rollers 11, 21 and outer peripheries of the inner surfaces 11b, 21b of the rollers 11, 21 at the corners of the inner wall of the upper hanger rail 1. You may provide the inclination part 31c each corresponding to the inclination of 11e and 21e. By providing the inclined portion 31c, the rollers 11 and 21 can travel more smoothly.

(Second Embodiment)
FIG. 7: is a front view which shows the runner for rails of the 2nd Embodiment of this invention, (a) is a case where only the cross section of an outer surface is made into 2nd V-shape with respect to the roller whose cross section is elliptical. Front view, (b) is a front view in the case where only the cross section of the outer surface of the roller having a rectangular cross section is the second V-shape.
In the first embodiment, the shape of the rollers 11 and 21 of the rail runners 10 and 20 is such that the outer peripheries 11e and 21e of the inner side surfaces 11b and 21b are arcuate, and the outer peripheries 11d and 21a of the outer side surfaces 11a and 21a are The 21d cross section was inclined at an acute angle. In the second embodiment, the inclination angles of the outer surfaces 41a and 51a of the rollers 41 and 51 are further made acute, and the cross-sections of the outer surfaces 41a and 51a of the rollers 41 and 51 are formed into a second V-shape. Formed. Other configurations are the same as those of the first embodiment, and thus redundant description is omitted.

The rail runner 40 according to the present embodiment has the pair of rollers 41 and 41, and the inner side surface 41b of the roller 41 has an arcuate roundness (arc line) with the cross section of the outer peripheral surface 41e of the inner side surface toward the reference line C. The shape is inclined at a tangent angle θ6) of the midpoint. Here, the tangent angle of the midpoint of the arc line has the same meaning as the inclination angle. The cross section of the outer surface 41a of the roller 41 has a second V-shape that is linearly inclined toward the reference line C at an inclination angle θ5 with the center (rotation center) of the outer surface 41a as a vertex. The outer surface 41a of the roller 41 is formed in a conical shape with the center (rotation center) of the outer surface 41a as the apex. Further, the inclination angle θ6 ≧ the inclination angle θ5. Therefore, the outer peripheral cross section of the roller 41 has a third V shape, one side (outer surface 41e) of the third V shape is arcuate and the other side (outer surface 41a) is a straight line. It has an irregular shape. A part of the outer surface 41a of the roller 41 contacts the rail inner wall.
Further, another rail runner 50 of the present embodiment has the pair of rollers 51, 51, and the inner side surface 51b of the roller 51 has a rectangular shape (inclined on the inner side surface of the roller). Is not formed). The cross section of the outer surface 51a of the roller 51 has a second V-shape that is linearly inclined at an inclination angle θ7 toward the reference line C with the center (rotation center) of the outer surface 51a as the apex. (FIG. 7B), the outer surface 51a of the roller 51 is formed in a conical shape with the center (rotation center) of the outer surface 51a as a vertex.

  By making the inclination angle of the outer surface of the roller further acute, it is possible to travel more smoothly and quietly even when traveling on a connection portion of the upper hanger rail 1 or a corner portion that is strongly curved. The outer periphery 41e of the inner surface 41b of the roller 41 has a larger inclination angle than the outer surface 41a (θ6 ≧ θ5), and the roller 51 is inclined only on the outer surface 51a. In addition, the sliding area of the rail piece W can be widened, and the durability and strength of the roller can be ensured.

(Third embodiment)
FIG. 8A is an enlarged view of the upper end portion of the roller according to the third embodiment of the present invention. In the first and second embodiments, the outer periphery of the outer surface of the roller is linearly inclined, whereas the outer periphery 61d of the outer surface 61a of the roller 61 of the present embodiment is the outer periphery of the inner surface 61b. Like 61e, it is inclined with an arcuate roundness. Other configurations are the same as those of the first embodiment, and thus redundant description is omitted.

  The inner side surface 61b of the roller 61 of the present embodiment has a shape in which the cross section of the outer periphery 61e of the inner side surface 61b is inclined toward the reference line C with an arcuate roundness (tangent angle θ8 at the midpoint of the arc line). Similarly, the outer surface 61a of the roller 61 has a shape in which the cross section of the outer periphery 61d of the outer surface 61a is inclined toward the reference line C with an arcuate roundness (tangent angle θ9 at the midpoint of the arcline). Therefore, the outer peripheral cross section of the roller 61 is U-shaped, and the arc shape on one side of the U-shape (the outer periphery 61e of the inner surface 61b) and the other side (the outer periphery 61d of the outer surface 61a) is different. It has a typical shape. Here, the tangent angle at the midpoint of the arc line has the same meaning as the tilt angle, and the tilt angle θ8 ≧ the tilt angle θ9. When the inclination angle θ8 = θ9, the radius of curvature of the arc shape of the inner surface 61b is set smaller than the radius of curvature of the arc shape of the outer surface 61a.

(Fourth embodiment)
FIG. 8B is an enlarged view of the upper end of the roller according to the fourth embodiment of the present invention. In the first, second, and third embodiments, the outer peripheral section of the inner surface of the roller has an arc shape, whereas in the roller 71 of the present embodiment, the outer peripheral section of the inner surface 71b is inclined linearly. ing. Other configurations are the same as those of the first embodiment, and thus redundant description is omitted.

  In the roller 71 of this embodiment, the cross section of the outer periphery 71e of the inner surface 71b of the roller 71 is inclined linearly at an inclination angle θ10 toward the reference line C, and the cross section of the inner surface 71b has a trapezoidal shape. doing. Similarly, the outer surface 71a of the roller 71 has a cross section of the outer periphery 71d of the outer surface 71a linearly inclined at an inclination angle θ11 toward the reference line C, and the outer surface 71a has a trapezoidal cross section. (FIG. 8B). The inclination angle θ10 ≧ the inclination angle θ11. In the present embodiment, the roller 71 is provided with a flat portion 71c having no inclination in order to secure a sliding area between the rail piece W and the roller. Therefore, the left and right shapes are different via the flat part 71c, and the outer peripheral cross section of the roller 71 is trapezoidal, and one oblique side (the outer periphery 71e of the inner side surface 71b) of the trapezoid and the other oblique side (the outer side 71a). The outer periphery 71d) has an irregular shape with different inclination angles. That is, the inclination angle of the outer peripheral surface of the roller (θ11) is smaller than the inclination angle (θ10) of the outer surface of the inner surface of the roller 71 (θ10 ≧ inclination angle θ11). The outer peripheral side of the outer surface is not in contact with the rail.

As described above, also in the first, second, and third embodiments, it is possible to provide the flat portion provided in the fourth embodiment in order to secure the sliding area between the rail piece W and the roller. Furthermore, the inclined portion 31c provided at the corner of the inner wall of the upper hanger rail 1 of the first embodiment can be applied in the second, third, and fourth embodiments. By providing the inclined portion 31c, the rollers 11 and 21 can travel more smoothly.
In the first embodiment, the case where the rail runner of the present invention is applied to a horizontal screen device has been described. However, vinyl used in warehouses, factories, offices, stores, garages, verandas, trucks, etc. It can be applied to sheets, tent sheets, cold storage sheets such as refrigerator rooms, goodwill sheets, birdproof sheets, mesh sheets, curtains and the like.
In this embodiment, a pair of rollers having the above-described structure is arranged centering on the support members 11 and 21. However, in the type of rail runner, the front and rear direction is provided via the support members 11 and 21. 4 or 6 rollers are disposed on the surface, and the present invention is also applicable to these.

10, 20, 40, 50 Runner for rail of the present invention,
11, 21, 41, 51, 61, 71 rollers,
11a, 21a, 41a, 51a, 61a, 71a The outer surface of the roller,
11b, 21b, 41b, 51b, 61b, 71b The inner surface of the roller,
12, 22 support member,
13 connecting bar,
23 connecting screw,
θ1, θ2, θ3, θ4, θ5, θ6, θ7, θ8, θ9, θ10, θ11 Inclination angle
θ1, θ3, θ5, θ7, θ9, θ11 , the inclination angle of the outer periphery of the outer surface of the roller,
θ2, θ4, θ6, θ8, θ10 , the inclination angle of the outer periphery of the inner surface of the roller,

Claims (6)

In a running structure of a rail runner that suspends and supports curtains, sheets, and screens and travels in a rail by a pair of rollers, the inner wall of the rail is disposed on the outer periphery of the outer surface of the roller that partially contacts the inner wall of the rail. A running structure of a rail runner , wherein an inclination is formed so as not to contact with the roller, an outer surface of the roller is formed in a conical shape, and an apex portion thereof contacts with an inner wall of the rail. In the running structure of a rail runner that suspends and supports curtains, sheets, and screens and runs in a rail with a pair of rollers, the rollers are formed with an inclination on the outer periphery of the outer surface to prevent contact with the inner walls of the rails. And the running structure of the runner for rails in which the outer peripheral surface of the roller is formed in a conical shape, and the apex portion thereof is in contact with the inner wall of the rail. The running structure of a rail runner according to claim 1 or 2, wherein the outer surface of the roller is formed in a conical shape with the center of the outer surface as a vertex . The rail is made of a square hollow material, and the outer surface of the roller is in partial contact with the inner wall of the rail, the outer periphery of the inner surface of the roller is inclined in an arc shape, and the outer surface of the roller is The outer periphery is inclined linearly, the outer periphery of the inner surface of the roller and the outer periphery of the outer surface are inclined linearly, or the outer periphery of the inner surface of the roller and the outer periphery of the outer surface are inclined in an arc shape. The traveling structure for a rail runner according to any one of claims 1 to 3, wherein the rail runner traveling structure is provided . The roller has its left or right shape different positions of any width direction of the running surface on the rail as a reference, or, different shapes of the right and left through the flat part in contact with the running surface on the rail, the The traveling structure for a rail runner according to any one of claims 1 to 4, wherein the pair of rollers are arranged to face each other on the left and right of the support member. The running structure of a rail runner according to any one of claims 1 to 5, wherein the roller and / or the rail are made of metal or stainless steel.