JP6715031B2 - Sliding door upper guide device - Google Patents

Description

The present invention relates to an upper guide device that guides an upper portion of a sliding door that opens and closes an opening of a structure along an upper rail attached to the structure at an upper edge of the opening, and is particularly hung on the upper rail. The present invention relates to an upper guide device for a sliding door.

Conventionally, with regard to sliding doors that open and close the openings of structures, an upper hanging sliding door (hanging sliding door) that suspends the sliding door on the upper rail of the door frame, and a bottom-supporting sliding door that runs on the lower rail of the lower door frame There is (non-hanging sliding door). Regarding this top-hanging sliding door, a pair of left and right upper runner devices for suspending the sliding door on the upper rail and guiding the upper portion of the sliding door to the upper rail are generally provided.

Specifically, as shown in Patent Document 1, an upper runner device for a top-hanging sliding door includes a sliding door fixing member (mechanical frame 8 and storage case 52, etc.) fixed to the upper sliding door opening and closing the opening. , A hanging connecting portion (hanging rod 7) protruding upward from the sliding door fixing body, and a runner body which guides the sliding door along the upper rail and is rotatably attached to a tip end portion of the hanging connecting portion ( A runner member 6) and attached to the left and right ends of the sliding door. In addition, this type of upper guide device is provided with a height adjusting mechanism that adjusts the protruding height of the hanging connecting portion that projects from the sliding door fixing body, and adjusts the protruding height of the pair of left and right upper guide devices. Therefore, the tilt of the sliding door is adjusted to avoid unfastened parts.

JP, 2009-299261, A

By the way, since the upper guide device of this kind is provided with a plurality of members such as the sliding door fixing body, the hanging connecting portion and the runner body as described above, there is vertical play between these members. There is. In addition, the height adjusting mechanism is provided with a relatively large number of parts, and there may be play between these various parts, albeit little by little. The play in the vertical direction becomes large based on these play, and especially when the runner body is rotatably attached to the suspension connecting portion as in the device described in Patent Document 1, this rotational performance is ensured. There is play to do so, and there is a tendency for rattling in the vertical direction to increase.

It is desired to suppress these rattlings because they cause the sliding doors to flip up, specifically, cause noises and the like.

The present invention has been made in view of the above conventional problems, and an object of the present invention is to provide an upper guide device for a top-hanging sliding door that can suppress flip-up of the sliding door due to vertical play. There is.

In order to solve the above problems, an upper guide device for a sliding door according to the present invention includes a sliding door fixing body fixed to an upper portion of a sliding door that opens and closes an opening of a structure, and a hanging connection projecting upward from the sliding door fixing body. Section, a runner body that guides the sliding door along an upper rail provided on the structure, and a runner body that is attached to a tip end portion of the hanging connection portion, and the runner body that is vertically movably attached to the runner body and the sliding door. A pressing member that comes into contact with the top surface of the runner body, and an inclined hole that is provided in one of the runner body and the pressing member and extends vertically with respect to the upper edge of the sliding door, and the runner body and the pressing member. And a slide shaft portion that is provided on the other side and has the same width as the width of the inclined hole, and that relatively moves along the inclined hole to vertically move the pressing member. It is characterized by having.

Here, with respect to the pressing member, "abutting on the top surface of the sliding door" means not only that which is always in contact with the top surface of the sliding door at the time of opening/closing operation of the sliding door, but also that of the sliding door accompanying the opening/closing operation of the sliding door. Those that abut on the top surface are also included. Further, the “top surface of the sliding door” may be not only the top surface of the sliding door itself but also the top surface of a member integrally provided on the top of the sliding door. Further, with respect to the slide shaft portion, "having the same width as the width of the inclined hole" means that the slide shaft portion has substantially the same width as that of the inclined hole. Is a concept that also includes. In this case, the slide shaft portion can be smoothly moved along the inclined hole by setting the width slightly smaller than the width of the inclined hole.

According to this invention, the sliding door fixing body, the hanging connecting portion, the runner body, and the pressing member as described above are provided, and the inclined hole provided in one of the runner body and the pressing member, the runner body, and the pressing member. Since it has a slide shaft portion which is provided on either of the other members and is relatively guided along the inclined hole, there is play in the mutual attachment of the sliding door fixing body, the suspension connecting portion and the runner body, Even when the sliding door tries to bounce up, the top surface of the sliding door is pressed by the pressing member, so that the sliding up of the sliding door can be effectively suppressed.

That is, the pressing member contacts the top surface of the sliding door, and is attached to the runner body so as to be vertically movable by the inclined hole and the slide shaft portion. The relative displacement between the inclined hole and the slide shaft portion is suppressed by the frictional resistance force between the inner peripheral surface of the inclined hole and the outer peripheral surface of the slide shaft portion, and the pressing member contacts the top surface of the sliding door. The contact state can be maintained, and the pushing up of the sliding door can be effectively suppressed by this pressing member. On the other hand, when the relative distance between the sliding door and the runner body changes slowly, for example, when adjusting the height of the upper guide device, the slide shaft portion relatively moves along the inclined hole, so that the pressing force is increased. The member can be kept in proper contact with the top surface of the sliding door.

In the present invention, the runner body is not particularly limited to a specific attachment structure of the runner body such as being fixed to the suspension connection portion, but the runner body is attached to the suspension connection portion. It can be suitably used for an upper guide device that is rotatably attached.

In such a configuration, since rotation of the runner body with respect to the suspension connecting portion is ensured, vertical play is relatively large, and there is a possibility that the sliding door is remarkably flipped up. Therefore, by applying the upper guide device having such a configuration, the effect of suppressing the flip-up of the sliding door can be maximized.

Further, in the present invention, the pressing member may be urged downward by an elastic body such as a spring or rubber to be pressed against the top surface of the sliding door, but the pressing member may be attached to the runner body. It is preferable that it is configured to be movable downward by its own weight.

According to this structure, the number of parts can be reduced and the structure can be simplified and inexpensive.

In the present invention, the inclination angle of the inclined hole is not particularly limited, but the inclined hole is preferably inclined at an angle of 5 degrees or more and less than 45 degrees with respect to the upper edge of the sliding door. More preferably, the lower limit is set to 7 degrees and the upper limit is set to 30 degrees.

According to this structure, the frictional resistance between the inclined hole and the slide shaft can be properly exerted, and the pressing member can be reliably brought into contact with the top surface of the sliding door when the sliding door is opened and closed.

In the present invention, the inclination direction of the inclined hole is not particularly limited as long as it is inclined in the vertical direction, and is configured to incline toward the side opposite to the sliding door, for example, toward the suspension connecting portion side. However, it is preferable that the inclined hole is configured to incline toward the sliding door side toward the suspension connecting portion side.

According to this structure, the pressing member comes into contact with the top surface of the sliding door at a position close to the suspending connecting portion, so that it is possible to more reliably suppress the flip-up of the sliding door due to the play between the members. it can.

The specific configuration of the runner body is not particularly limited, and may include a runner body and a guide sliding portion such as a guide block that is attached to the runner body and slides along the upper rail. It is preferable that the runner body includes a guide roller that runs along the upper rail, and a runner body to which the guide roller is attached and the pressing member is attached. Further, the specific configuration of the runner main body is not particularly limited, but the runner main body includes a roller mounting portion to which the guide roller is mounted and a sliding door opening/closing direction with respect to the roller mounting portion. A member mounting portion that is continuously provided and to which the pressing member is mounted, and a jumping-up suppressing projection portion that protrudes upward from the member mounting portion and that is made of a hard synthetic resin are provided. It is preferable that the top contact the inner surface of the top wall of the upper rail together with the guide roller that is set higher than the top of the roller mounting portion.

According to this structure, when the upward impact force acts on the upper guide device as the sliding door is flipped up, the guide roller abuts on the inner surface of the top wall of the upper rail together with the jumping suppressing protrusion. Can be more effectively suppressed.

In this case, it is preferable that the slide shaft portion is provided on the member mounting portion, and the jumping-up suppressing projection is provided in parallel with the slide shaft portion in the vertical direction.

That is, the slide shaft portion is likely to receive an upward impact force through the pressing member when the sliding door is flipped up, and the jumping-up suppressing protrusion portion is located directly above the slide shaft portion (a position vertically aligned). By arranging, the flip-up of the sliding door can be suppressed more effectively.

In this invention, one of the runner body and the pressing member has a first inclined contact surface along the inclined hole, and the other of the runner body and the pressing member has the first inclined contact surface. It is preferable to have a second inclined abutment surface that abuts the abutment surface. The second inclined contact surface does not have to be in constant contact with the first inclined contact surface at all times and may be in contact with at least some of them when the sliding door is flipped up.

According to this structure, when an impact force acts upward, such as when the sliding door is flipped up, in addition to the engagement between the inclined hole (specifically, the peripheral edge portion) and the slide shaft portion, these first and By the second inclined contact surfaces contacting each other and making surface contact with each other, displacement in the left-right direction can be suppressed, and a reaction force against the impact force can be applied at or near that position, and the runner body and the pressing member can Does not move up and down relatively, and the flip-up of the sliding door can be suppressed more effectively.

In addition, in the present invention, the specific configuration of the pressing member is not particularly limited, but the pressing member is disposed between the upper rail and the top surface of the sliding door, and the upper surface in plan view. It is preferable to have upper and lower operation pieces that project from the rail in at least one of the front and rear.

According to this structure, when the pressing member is operated upward, the upper rail can be easily operated without using the upper and lower operation pieces. The pressing member can be lowered by its own weight due to the weight of the upper and lower operation pieces.

According to the upper guide device for a sliding door of the present invention, even when there is play in the mutual attachment of the sliding door fixing body, the hanging connecting portion, and the runner body, and the sliding door is about to bounce, the sliding member is pushed by the pressing member. The top surface is pressed, and the flip-up of the sliding door can be effectively suppressed.

It is a perspective view showing the state where the upper guide device concerning one embodiment of the present invention was attached to the sliding door. It is a front view which expands and shows an upper guide apparatus. It is a front view which shows a sliding door fixed body, a guide roller, and a roller attachment part. It is a figure which shows a member attachment part and a jump-up suppression protrusion part, (A) is a front view, (B) is a top view, (C) is a left side view. It is a figure which shows a pressing member, (A) is a front view, (B) is a top view, (C) is a left side view. It is a front view shown in the state where the upper guide device was installed. It is a front view which shows the said upper guide device in the state which pushed up the pressing member from the state of FIG. It is the VIII-VIII sectional view taken on the line in FIG.

Hereinafter, an embodiment according to the present invention will be described with reference to the drawings. The upper guide device for the sliding door of the present embodiment suspends the sliding door on the upper rail and guides the sliding door along the upper rail. That is, the upper guide device of the present embodiment can be applied to a hanging sliding door and a sliding door similar to this. The upper guide device of the present embodiment describes a sliding door that is not provided with a slide assist device that assists the opening/closing operation of the sliding door, but is also applied to a sliding door that is provided with a slide assist device on both sides or on one side. This is also possible, and it can be applied to a sliding door provided with other devices such as a sliding door cushioning device that applies a braking force to the sliding door at the end of sliding of the sliding door in order to mitigate the collision between the sliding door and the door frame.

FIG. 1 is a perspective view showing a state in which the upper guide device for a sliding door of this embodiment is attached to the upper portion of the sliding door. For convenience of description, the +X direction in each drawing will be described as the right direction, the +Y direction will be described as the forward direction, and the +Z direction will be described as the upward direction. However, the expression of these directions is not particularly limited, and is simply the present 6 illustrates a relative positional relationship in the embodiment.

First, a sliding door structure to which the upper guide device 1 of the present embodiment is attached will be briefly described. The sliding door structure includes a sliding door D that opens and closes an opening (not shown) of the structure, a door frame (not shown) that is fixed to the peripheral edge of the opening of the structure and slides inside the sliding door D, and this door frame. An upper rail L arranged along the opening/closing direction of the sliding door D is provided on the lower surface of a kamoi (not shown) that constitutes the upper part. The sliding door D includes a door body D1 and a pair of left and right upper guide devices 1 and 1A attached to the upper portion of the door body D1. By inserting the upper guide devices 1 and 1A into the upper rail L, It is suspended from the upper rail L and opened and closed along the upper rail L.

The upper rail L of the present embodiment has a C-shape that opens downward, that is, a top wall portion L1 that extends in the left-right direction, and front and rear side wall portions L2 that extend downward from both front and rear edges of the top wall portion L1. The front and rear flanges L3 extend inward in the width direction from the lower ends of the front and rear sidewalls L2, and the front ends of the front and rear flanges L3 are spaced apart from each other so that the front and rear flanges L3 are opened downward.

Although the upper rail L is fixed to the lower surface of the door frame of the door frame, it may be embedded in the door frame, or directly on the upper edge of the peripheral edge of the opening of the structure. It may be fixed or similar.

The upper guide devices 1 and 1A are fixed to the upper portion of the door body D1 of the sliding door D, specifically, to the left and right end portions of the upper end portion. In the present embodiment, of the upper guide devices 1 and 1A, one upper guide device 1A (disposed on the right side) is configured as a known upper guide device and the other (disposed on the left side). The upper guide device 1 is configured as an upper guide device according to this embodiment. Either the left or right upper guide device 1 or 1A may be configured as the upper guide device 1 according to the present embodiment. In this case, the orientation of each upper guide device 1 is not particularly limited. is not. The upper guide device 1A differs from the upper guide device 1 in the specific configuration of the runner body 4A. That is, the upper guide device 1A includes a sliding door fixing body 2, a suspension connecting shaft 3 projecting upward from the sliding door fixing body 2, and a runner body 4A rotatably attached to a tip end portion of the connecting shaft 3. Since the runner body 4A is a general runner body, the description thereof is omitted here. Hereinafter, the upper guide device 1 arranged on the left side will be described. FIG. 2 is a front view showing the upper guide device.

The upper guide device 1 includes a sliding door fixing body 2 fixed to an upper portion of a door body D1, a hanging connecting shaft 3 (corresponding to a hanging connecting portion) protruding upward from the sliding door fixing body 2, and the connecting shaft. A runner body 4 which is rotatably attached to the tip of the guide body 3 and which guides the door body D1 along the upper rail L, and a runner body 4 which is vertically movably attached to the runner body 4 and abuts on the top surface D2 of the door body D1. And a pressing member 5 configured to be capable.

FIG. 3 is a front view showing a roller mounting portion, which will be described later, of the sliding door fixing body and the runner body.

The sliding door fixing body 2 is a block-like body embedded in the top of the sliding door D. Specifically, the sliding door fixing body 2 is provided in the left edge portion at the upper end of the door body D1 and is housed in a housing groove (not shown) that opens upward and leftward, and penetrates in the left-right direction. It is fixed to the door body D1 with a screw (not shown).

The sliding door fixing body 2 is provided with a height adjusting screw 21 and a front and rear adjusting screw 22 which are vertically arranged on the outer surface. The height adjusting screw 21 is configured to adjust the protruding length of the connecting shaft 3 with respect to the sliding door fixing body 2 by rotating the height adjusting screw 21 from side to side. The front-rear adjustment screw 22 is configured to be capable of adjusting the front-rear position of the connecting shaft 3 with respect to the sliding door fixing body 2 by rotating the front-rear adjustment screw 22 from side to side. The specific configuration of the adjusting mechanism using the adjusting screws 21 and 22 is known, and various structures such as the technique disclosed in Patent Document 1 can be adopted.

The lower portion of the connecting shaft 3 for suspension is connected to the height and front-rear adjusting mechanism provided inside the sliding door fixing body 2, and the protruding length from the sliding door fixing body 2 and the front-back position with respect to the sliding door fixing body 2 can be adjusted. Has been done. The connecting shaft 3 is configured as a rod-shaped body, bulges radially toward the tip (upper end), and is detachably configured, and a diameter below the head 31 at a predetermined interval. Has a flange portion 32 that bulges in the direction and has an upper surface abutting the lower surface of the runner body 4, and the head portion 31 and the flange portion 32 engage with the runner body 4 to rotate with respect to the runner body 4. It is configured to be flexible.

On the other hand, as shown in FIG. 2, the runner body 4 includes a guide roller 6 that travels along the upper rail L, and a runner body 7 to which the guide roller 6 and the pressing member 5 are attached. It is rotatably attached to the tip of the shaft 3.

The guide roller 6 basically rolls on the front and rear flange portions L3 of the upper rail L in accordance with the opening/closing operation of the sliding door D, and when the sliding door D is jumping up or the sliding door fixing body 2 is runner body. When 4 rises, it can contact the top wall portion L1 of the upper rail L and exert a downward force on the runner body 4. Specifically, the top portion of the guide roller 6 is set higher than the top portion of a roller mounting portion 71, which will be described later, and the guide roller 6 precedes the roller mounting portion 71 when the runner body 4 rises. It is designed to come into contact with the portion L1. Further, at least the outer peripheral portion of the guide roller 6 is made of an elastic body of synthetic resin (e.g., elastomer) softer than the runner main body portion 7, and is elastically deformable. The guide roller 6 may have a roller portion integrally formed of an elastic body, or may have a tire portion and a wheel portion divided. In this case, at least the tire portion is made of an elastic body.

The runner main body portion 7 includes a roller attachment portion 71 to which the guide roller 6 is attached, a member attachment portion 72 that is continuously provided to the roller attachment portion 71 along the sliding door opening/closing direction and to which the pressing member 5 is attached, and the member attachment portion 71. A jump-up suppressing protrusion 73 protruding upward from the portion 72 is provided and is elongated in the left-right direction.

The roller attachment portion 71 is configured as a separate body from the member attachment portion 72, is connected to the member attachment portion 72 via the connection block 75, and is rotatably engaged with the connection shaft 3. Specifically, the roller attachment portion 71 includes a roller base body 74 to which the guide roller 6 is attached, and a connecting block 75 as a block-like body that projects laterally (rightward in FIG. 2) from the roller base body 74. Equipped with. A pair of front and rear guide rollers 6 are attached to the left and right ends of the roller base 74, respectively. Further, the roller base 74 is provided with a vertical through hole (not shown) through which the tip portion of the connecting shaft 3 is inserted, and a counterbore (not shown) is provided above the through hole. The head 31 of the connecting shaft 3 is housed. The connecting block 75 is provided with a screw hole 75a penetrating in the vertical direction at an intermediate portion in the left-right direction, and a screw (not shown) is screwed into the screw hole 75a to be connected to the member mounting portion 72.

The member attaching portion 72 holds the pressing member 5 so that it can move up and down, more specifically, it can move up and down in a direction inclined up and down with respect to the upper edge of the sliding door D, and is elongated horizontally. 4A and 4B are drawings showing a member mounting portion and a jump-up suppressing projection portion, FIG. 4A is a front view, FIG. 4B is a plan view, and FIG. 4C is a left side view.

Specifically, the member mounting portion 72 has a connecting portion 77 to which the roller mounting portion 71 is connected, and a holding portion 78 that has a movement permitting groove 78b extending in the left-right direction and is connected to the connecting portion 77. And a slide boss portion 79 provided so as to straddle the lower portion of the holding portion 78, specifically, one end portion (left end portion) of the movement permitting groove 78b. It is integrally formed from a resin (for example, a known synthetic resin such as a polyamide resin, a polyethylene resin, or a propylene resin).

The connecting portion 77 is configured as a block-shaped body, and is arranged at a position spaced apart upward with respect to the top surface D2 of the door body D1. The connecting portion 77 is provided with a connecting fitting groove 77a that opens downward and to the left side, and a connecting screw hole 77b that communicates with the intermediate portion in the left-right direction of the connecting fitting groove 77a is provided so as to pass through in the vertical direction. Has been. The connecting block 75 of the roller mounting portion 71 is fitted in the connecting fitting groove 77a, and in this fitted state, a screw is screwed into the screw hole 75a of the connecting block 75 through the connecting screw hole 77b, whereby the roller The mounting portion 71 and the member mounting portion 72 are integrally connected.

When viewed from the front, the holding portion 78 has a substantially trapezoidal shape that is elongated in the left and right with the lower bottom set to be shorter than the upper bottom, and has a notch 78a at the lower left end. The holding portion 78 is provided with a movement permitting groove 78b that opens downward from one end edge to the other end edge in the left-right direction in the center portion in the thickness direction (front-rear direction), and the slide fitting of the pressing member 5, which will be described later, is fitted into the movement permitting groove 78b. The joint portion 50 is configured to be slidably fitted.

The cutout portion 78a is provided to prevent interference between the pressing member 5 and a vertical operation piece 52, which will be described later, and is appropriately configured according to the shape of the vertical operation piece 52 and the like. Specifically, the upper inner side surface 78a1 of the cutout portion 78a is provided in a continuously inclined state with the inclined inner surface 78c of the movement permitting groove 78b described below.

The movement allowance groove 78b is provided continuously to the cutout portion 78a, and its depth is set so as to incline upward as it goes to the right side, and its inclination angle matches the inclination guide hole 50a described later. Is set to. The specific inclination angle will be described later together with the inclination guide hole 50a. Therefore, the inclination angle of the inclined inner surface 78c of the movement permitting groove 78b (the inner bottom surface of the movement permitting groove 78b) also matches the inclination angle of the upper inner side surface 78a1 of the cutout portion 78a and the inclination guide hole 50a. The slanted inner surface 78c (corresponding to the first slanted contact surface) together with the upper inner side surface 78a1 of the cutout portion 78a is slide-fitted at least when an upward impact force acts on the pressing member 5. It is designed to contact an upper inclined guide surface 50b of the portion 50, which will be described later.

Further, the lower surface of the holding portion 78 has a non-contact surface 78d having a normal line in the vertical direction, and a runner-side tilt guide having a slope that is continuous with the non-contact surface 78d and that matches the tilt angle of the tilt guide hole 50a. And a surface 78e (corresponding to a second second inclined contact surface) on the front and rear sides with the movement permitting groove 78b sandwiched therebetween, and when the upward impact force acts on the pressing member 5, this runner side inclined guide The surface 78e comes into contact with the lower inclined guide surface 51a (corresponding to the second first inclined contact surface) of the auxiliary guide portion 51 of the pressing member 5, which will be described later. The non-contact surface 78d of the holding portion 78 can be appropriately omitted, and its specific shape is not particularly limited.

Furthermore, a boss hole 78f into which the slide boss portion 79 is fitted is provided in the lower portion of the holding portion 78 (in the illustrated example, a portion that is slightly leftward in the center portion in the left-right direction), and the boss hole 78f communicates with the movement permitting groove 78b. Has been made.

The slide boss portion 79 (corresponding to the slide shaft portion) is inserted into the inclined guide hole 50a and serves to guide the vertical movement of the pressing member 5 with respect to the runner body 4, and is configured as a columnar body extending in the front-rear direction. There is. In particular, in the present embodiment, it is configured as a columnar body, and is attached in a caulked state to the holding portion 78 of the runner body 4, more specifically, to the boss hole 78f provided in the lower portion of the holding portion 78. The slide boss portion 79 is formed in the shape of a cylinder along the center line (front-rear direction), and the outer peripheral surface thereof uniformly contacts the inner peripheral surface of the inclined guide hole 50a in the front-rear direction.

The outer diameter of the slide boss portion 79 (corresponding to the width of the slide shaft portion) is set to be the same as or slightly smaller than the width of the inclined guide hole 50a, and the vertical play is reduced. Thereby, the flip-up of the sliding door D based on the play between the slide boss 79 and the inclined guide hole 50a can be suppressed as much as possible.

Note that the slide boss portion may be formed of a prismatic body or the like instead of the cylindrical shape as in the present embodiment. In this case, in the width direction orthogonal to the center line of the inclined guide hole 50a. Is set to be the same as or slightly smaller than the width of the inclined guide hole 50a.

On the other hand, the jumping-up suppressing protrusions 73 are provided in a pair in the front and rear in a state in which they project in the front-rear direction and project upward at the other end side of the upper end portion of the holding section 78 (closer to the left side in the example). In particular, the jumping-up suppressing protrusion 73 of the present embodiment is provided directly above the boss hole 78f of the holding portion 78, that is, at a position aligned in the vertical direction, and the left and right center positions are in the axial center position of the boss hole 78f and in the left-right direction. It is provided so as to substantially match. Each jump-up suppressing projection 73 is formed in a substantially rectangular parallelepiped shape, and as shown in FIG. 4(C), the top portion 73a is formed as a curved surface having a center line in the left-right direction. As shown in FIG. 2, the highest position of the top part 73a in the vertical direction is set higher than the holding part 78 and the roller mounting part 71 so that the height position is substantially the same as the top part of the guide roller 6. Is set to. Therefore, when the sliding door D is flipped up, the jumping-up restraining protrusion 73 contacts the top wall L1 of the upper rail L together with the top of the guide roller 6.

The top portion 73a is not limited to a curved surface and may have another shape such as a flat surface. However, when the top portion 73a is configured as a curved surface having a center line in the left-right direction as in the present embodiment, the sliding door is inclined. Even when it jumps up, the damage of the jump-up suppressing protrusion 73 is suppressed. The thickness (front-rear direction) and length (horizontal direction) of the jump-up suppressing projection 73 are appropriately set in consideration of the thickness and outer diameter of the guide roller 6.

Next, the pressing member 5 will be described. 5A and 5B are views showing the pressing member, where FIG. 5A is a front view, FIG. 5B is a plan view, and FIG. 5C is a side view.

The pressing member 5 is a member that is attached to the runner body 4 so as to be vertically movable in an oblique direction, and is placed on the top surface D2 of the door body D1 when the sliding door D is opened/closed so as to contact the top surface D2. It comes into contact. More specifically, the pressing member 5 is provided at a slide fitting portion 50 having a trapezoidal plate shape, and is arranged at a lower end portion (lower right end portion in the figure) of the slide fitting portion 50 and is slid fitted. A pair of front and rear auxiliary guide portions 51 projecting forward and backward with respect to the joint portion 50, and an operation piece 52 provided at the other lower end portion of the slide fitting portion 50 (lower left end portion in the illustrated example), The slide fitting portion 50 is slidably arranged in the movement permitting groove 78b of the runner body 4. In this embodiment, the slide fitting portion 50, the auxiliary guide portion 51, and the operation piece 52 are integrally formed of hard synthetic resin.

The slide fitting portion 50 is set to have substantially the same horizontal dimension as the holding portion 78 of the member mounting portion 72, and is configured to overlap the holding portion 78 in the left-right direction at the uppermost position of the pressing member 5. In the slide fitting portion 50, an inclined guide hole 50a (corresponding to an inclined hole) that inclines in the vertical direction with respect to the upper edge of the sliding door D, that is, the left-right direction from the left end portion to the right end portion in the front view is in the plate thickness direction. It is installed in the (front-back direction). The inclination angle of the inclination guide hole 50a with respect to the upper edge of the sliding door D (which coincides with the horizontal direction in this embodiment) is specifically set within the range of 5° to 45°. That is, when the inclination angle is smaller than 5°, the runner body 4 and the pressing member 5 are relatively opposed to each other even when a force having a vertical component is slowly applied to either the runner body 4 or the pressing member 5. Becomes difficult to displace. When the inclination angle is larger than 45°, the runner body 4 and the pressing member 5 are relatively opposed to each other even when a force having a vertical component is suddenly applied to either the runner body 4 or the pressing member 5. The function of the upper guide device, which is difficult to displace with respect to impact force, deteriorates. This inclination angle is preferably set within the range of 7° to 30°. In the present embodiment, the inclined guide hole 50a is set to have an angle of 10° with respect to the upper edge of the sliding door (horizontal horizontal direction).

In the present embodiment, the inclination direction of the inclination guide hole 50a is set so as to incline downward toward the left side in other words, in other words, the top surface D2 of the door body D1 toward the connecting shaft 3 side. It is configured to incline to the side. The inclined guide hole 50a has an elongated oval shape when viewed from the front, and is set to have a width (direction orthogonal to the center line) that matches the outer diameter of the slide boss 79. Further, the inner peripheral surface of the inclined guide hole 50a is configured by a surface parallel to the axis in the front-rear direction, and is configured to generate a predetermined frictional force with the slide boss portion 79. Further, the height dimension between the upper end and the lower end of the inclined guide hole 50a is set to be larger than at least the height adjustable by the height adjusting screw 21, specifically, set in the range of 3 mm to 15 mm. There is.

Further, the lower surface of the slide fitting portion 50 is configured as a smooth surface having a normal line in the vertical direction, and is overlapped with the top surface D2 of the door body D1. That is, the lower surface of the slide fitting portion 50 is configured to be able to contact the top surface D2. On the other hand, the upper surface of the slide fitting portion 50 constitutes an upper inclined guide surface 50b (corresponding to the first first inclined contact surface) having an inclination that matches the inclination angle of the inclined guide hole 50a, and the pressing member 5 has On the other hand, when an upward impact force is applied, the upper inclined guide surface 50b comes into contact with the inclined inner surface 78c of the movement permitting groove 78b of the runner body 4, and frictional force is generated even with this contact. Has been done.

As described above, the auxiliary guide portion 51 is provided at the lower right end portion of the slide fitting portion 50 so as to project in the front-rear direction. The auxiliary guide portion 51 has a substantially right-angled triangular shape when viewed from the front, and the lower end edge and the one side edge (the right side edge in the example) match the lower end edge and the one side edge of the slide fitting portion 50, respectively. And is integrally formed with the slide fitting portion 50. The upper surface of the auxiliary guide portion 51 has a lower inclined guide surface 51a (second first inclined contact) that has an inclination that matches the inclination angle of the inclined guide hole 50a, similarly to the upper inclined guide surface 50b of the slide fitting portion 50. Corresponding to the surface). Like the upper inclined guide surface 50b, the lower inclined guide surface 51a also has a lower inclined guide surface 51a when the pressing member 5 is subjected to an upward impact force. The surface 78e is surely brought into contact with the surface 78e, and a frictional force is generated due to the contact.

The width of the lower inclined guide surface 51a is larger than the thickness of the slide fitting portion 50 from the viewpoint of generating an appropriate frictional force while ensuring the slidability between the runner body 4 and the pressing member 5. It is preferable to set it in the range of 0.3 times to 1.0 times, and it is more preferable to set it in the range of 0.5 times to 0.7 times.

Next, the operation piece 52 will be described. The operation piece 52 has a substantially inverted T shape in a side view, and is operated when the pressing member 5 is manually moved up and down. In the present embodiment, the pressing member 5 is moved downward by its own weight. It also plays a role as a weight.

Specifically, the operation piece 52 includes a base block 52a arranged at the center in the front-rear direction, and an operation flange part 52b provided at the lower end of the base block 52a so as to project in the front-rear direction. It can be manually operated by 52b.

The base block 52a is configured to be thicker in the front-rear direction than the slide fitting portion 50, and the upper surface thereof is provided continuously with the upper inclined guide surface 50b of the slide fitting portion 50. For this reason, the upper surface of the base block 52a is inclined vertically with respect to the left-right direction, and its inclination angle matches the inclination guide hole 50a. The thickness of the base block 52a is set within the range of 1.2 times to 3.0 times the thickness of the slide fitting portion 50.

The operation flange portion 52b is configured as a plate-shaped body extending in the front-rear direction, and a plurality of groove portions 52c along the up-down direction are provided on the tip end surface, and functions as a slip stopper. As shown in FIG. 5(B), the tip of the operation flange portion 52b is set so as to project from the upper rail L in a plan view so that it can be easily operated. In other words, the distance from the front-rear center of the tip of the operation flange 52b is set to be longer than the distance from the front-rear center of the upper rail L to the outer surface of the side wall L2.

Such a pressing member 5 is assembled to the member mounting portion 72 of the runner body 4 as follows, for example.

That is, the slide fitting portion 50 of the pressing member 5 is inserted into the movement permitting groove 78b of the member mounting portion 72 from the upper end portion, and the upper inclined guide surface 50b of the slide fitting portion 50 is slanted inside surface 78c of the movement permitting groove 78b. Abut. Then, the slide guide portion 50 is aligned so that the inclined guide hole 50a overlaps with the boss hole 78f of the member mounting portion 72 in a front view. In this state, the slide boss portion 79 is inserted into the boss hole 78f and the inclined guide hole 50a, and the slide boss portion 79 is caulked from both front and rear sides to fix the slide boss portion 79 to the holding portion 78 of the member mounting portion 72.

As a result, the pressing member 5 is attached to the runner body 4.

In this state, the pressing member 5 is held so as to be vertically movable up and down with respect to the runner body 4, and is moved downward by its own weight including the operation piece 52.

Further, in this state, the upper tilted guide surface 50b and the lower tilted guide surface 51a of the pressing member 5 contact or are substantially abutted with the tilted inner surface 78c and the runner side tilted guide surface 78e of the holding portion 78 of the member mounting portion 72, respectively. The runner body 4 and the pressing member 5 are in contact with each other at least when an external force acts in a direction in which the runner body 4 and the pressing member 5 approach each other.

That is, in the present embodiment, the upper inclined guide surface 50b and the lower inclined guide surface 51a of the pressing member 5 correspond to the "first inclined contact surface" (or the second inclined contact surface) according to the present invention. In the runner body 4, the inclined inner surface 78c and the runner-side inclined guide surface 78e correspond to the "second inclined guide surface" (second inclined contact surface) according to the present invention. In other words, in the upper guide device 1 of the present embodiment, each of the runner body 4 and the pressing member 5 has a plurality of inclined abutting surfaces, and when a vertical impact force acts on both of them 4, 5 The inclined contact surfaces come into contact with each other, and a sufficient frictional force acts.

Then, by fixing the upper guide device 1 thus assembled to the door body D1 of the sliding door D, the upper guide device 1 can be installed.

The operation of the upper guide device 1 configured as above will be described with reference to FIGS. 1, 6 and 7. 6 and 7 are cross-sectional views showing the upper guide device in which the upper rail is shown in a cross-sectional state. FIG. 6 shows a state in which the pressing member is in contact with the sliding door top surface, and FIG. 7 shows the pressing member from the sliding door top surface. The state of being separated is shown.

When the sliding door D shown in FIG. 1 is slid in the opening/closing direction, the sliding door D rolls in the upper rails L of the guide rollers 6 of the upper guide devices 1 and 1A of the sliding door D, specifically, on the front and rear flange portions L3. The D is guided by the upper rail L.

At this time, the lower surface of the pressing member 5 is in contact with the top surface D2 of the door body D1. Even if the lower surface of the pressing member 5 is separated from the top surface D2, the pressing member 5 descends due to its own weight due to the sliding door opening/closing operation, and the lower surface of the pressing member 5 contacts the top surface D2. Transition to the state.

By the way, since there is a play in the hanging structure of the sliding door D, specifically, the mutual attachment of the sliding door fixing body 2, the suspension connecting shaft 3, the runner body 4, etc. When the sliding door D collides with the door frame, the sliding door D tries to bounce up.

However, in the upper guide device 1 of the present embodiment, the pressing member 5 can press the top surface D2 of the sliding door D to effectively prevent the sliding door D from jumping up.

That is, when the sliding door D tries to bounce up, the sliding door D rises and the guide roller 6 of the runner body 4 and the jumping-up suppressing projection 73 abut against the inner surface of the top wall portion L1 of the upper rail L, so that the sliding door D faces downward. Power is generated. As described above, in the upper guide device 1 of the present embodiment, the jump-up suppressing protrusion 73 abuts on the ceiling wall L1 together with the guide roller 6, so that a downward reaction force can be generated in a stable state.

At the same time, the inclined guide surfaces 50b and 51a on both upper and lower sides of the pressing member 5 contact the inclined inner surface 78c and the runner side inclined guide surface 78e of the runner body 4, respectively, and frictional force is generated on these contact surfaces. A downward reaction force is also generated through the contact surface.

Further, in the upper guide device 1 of the present embodiment, since the jumping-up suppressing protrusion 73 is arranged in parallel with the slide boss 79 in the vertical direction, the reaction force can be applied more directly and the sliding door D The jump can be suppressed more effectively.

Here, although the pressing member 5 is attached to the runner body 4 so as to be movable diagonally in the vertical direction, it has the same width as the inclined guide hole 50a of the pressing member 5 and extends along the inclined guide hole 50a. Since the slide boss portion 79 of the runner body 4 which is relatively guided is inserted into the inclined guide hole 50a, and the inclination angle of the inclined guide hole 50a is set to 10°, impact such as flipping up of the sliding door D is caused. With respect to the force, the inclination guide is generated by the frictional resistance between the inner peripheral surface of the inclined guide hole 50a and the outer peripheral surface of the slide boss portion 79 and the mutual frictional resistance between the respective inclined contact surfaces 50b, 51a, 78c, 78e. The relative displacement between the hole 50a and the slide boss portion 79 is suppressed, and the state in which the pressing member 5 is in contact with the top surface D2 of the sliding door D can be maintained, whereby the reaction force can be exerted through the pressing member 5. Can be made to act on the sliding door D. Moreover, since the inclination angle of the inclined guide hole 50a is set to 10°, the frictional resistance force between the inclined guide hole 50a and the slide boss portion 79 can be properly exerted, and the sliding door D can be more effectively provided. The reaction force can be applied.

That is, since the pressing member 5 is in contact with the top surface D2 of the door body D1 of the sliding door D, even when there is play between the members 2 to 4, the reaction force is directly applied to the sliding door D through the pressing member 5. It can be transmitted, and jumping up of the sliding door D can be effectively suppressed. Moreover, in the upper guide device 1 of the present embodiment, since the inclined guide hole 50a is configured to incline toward the top surface D2 side of the sliding door D as it goes toward the suspension connecting shaft 3 side, the pressing member 5 descends. At the position, the pressing member 5 comes into contact with the top surface D2 at a position closer to the suspension connecting shaft 3 as compared with the case where the inclination direction of the inclined guide hole 50a is opposite, so that the pressing connecting member 5 is associated with the suspension connecting shaft 3. The jumping of the sliding door D based on the play can be effectively suppressed.

On the other hand, when changing the relative distance between the sliding door D and the runner body 4 such as adjusting the height of the upper guide device 1, first, as shown in FIG. Move diagonally upward. That is, when the operating piece 52 is lifted upward, the pressing member 5 can be relatively displaced obliquely upward along the inclined guide hole 50a by the slide boss portion 79. In this state, the relative distance between the sliding door D and the runner body 4 can be changed by rotating the height adjusting screw 21.

If the relative distance between the sliding door D and the runner body 4 by the height adjusting screw 21 is changed without moving the pressing member 5 upward in advance in accordance with this change, the pressing member 5 is followed. The relative position between the runner body 4 and the runner body 4 can be changed.

The upper guide device 1 for the sliding door described above is an embodiment of the present invention, and its specific configuration and the like can be appropriately changed without departing from the spirit of the present invention. The modification will be described below.

(1) In the above-described embodiment, the upper guide device 1 in which the pressing member 5 is provided with the inclined guide hole 50a and the runner body 4 is provided with the slide boss portion 79 has been described. The guide member such as the slide boss provided on the body may be provided on the pressing member.

(2) In the above-described embodiment, the inclination guide hole 50a is inclined toward the sliding door D side (lower side) toward the suspension connecting shaft 3 side, but the inclination direction is the opposite. That is, it may be inclined toward the side (upper side) opposite to the sliding door D side as it goes toward the suspension connecting shaft 3 side.

However, by configuring as in the above-described embodiment, jumping up of the sliding door D can be suppressed more appropriately.

(3) In the above-described embodiment, the pressing member 5 has been described so as to be movable downward by its own weight, but for example, the pressing member is downwardly moved by the inclined hole including the downward direction by the biasing means by the elastic body. It may be biased in such a direction that the force of. For example, when a helical spring is used as the biasing means, the helical spring is interposed between the runner body and the pressing member, and the helical spring biases the pressing member along the inclination direction of the inclined hole. It may be a force. However, when the urging member is provided in this way, not only the number of parts but also the number of manufacturing steps increase and the cost is relatively high, so that the pressing member can be moved downward by its own weight as in the above embodiment. Is preferably configured.

(4) In the above-described embodiment, the upper rail L is formed in a C shape that opens downward, but the specific shape of the upper rail L is not limited to this. For example, the front and rear flange portions L3 are formed in a flat plate shape, but may be formed in an arc shape protruding downward. Further, although the upper rail L is formed in a C shape, it may be formed in a U shape, that is, the upper rail L is opened to the side. In this case, the runner guide roller is configured as a single wheel.

(5) In the above embodiment, the runner body 4 is rotatably attached to the suspension connecting shaft 3, but the runner body 4 may be fixed to the connecting shaft 3.

(6) In the above embodiment, the pressing member 5 is provided with the operation piece 52, but the specific configuration of the upper and lower operation pieces is not particularly limited, and may be appropriately omitted. it can.

However, as in the present embodiment, in the plan view, by providing the vertical operation piece projecting forward and backward from the upper rail L, the upper rail L does not interfere when the pressing member 5 is operated upward, It can be easily operated using the operation piece 52. Further, due to the weight of the vertical operation piece 52, the pressing member 5 can be lowered by its own weight, and the operation piece 52 can play another role.

D Sliding door D2 Top surface L Upper rail 1 Upper guide device 2 Sliding door fixed body 3 Hanging connecting shaft (corresponding to the hanging connecting part)
4 runner body 5 pressing member 50a inclined guide hole (corresponding to inclined hole)
50b Upper inclined guide surface (corresponding to the first inclined contact surface)
51a Lower inclined guide surface (corresponding to the first inclined contact surface)
52 vertical operation piece 6 guide roller 7 runner main body 71 roller mounting portion 72 member mounting portion 73 jump-up suppressing protrusion 78c inclined inner surface (corresponding to the second inclined contact surface)
78e Runner side inclined guide surface (corresponding to the second inclined contact surface)
79 Slide boss (corresponding to slide shaft)

Claims (8)

A sliding door fixing body fixed to the upper part of the sliding door that opens and closes the opening of the structure, a hanging connecting portion projecting upward from the sliding door fixing body, and guiding the sliding door along an upper rail provided on the structure. And a runner body attached to the tip of the suspension connecting portion, and a pressing member attached to the runner body so as to be vertically movable and abutting on the top surface of the sliding door,
An inclined hole that is provided in one of the runner body and the pressing member and extends vertically with respect to the upper edge of the sliding door, and a width of the inclined hole that is provided in the other of the runner body and the pressing member. and have dimensions of the same width, and the pressing member possess a slide shaft portion for vertically moving obliquely by being relatively guided along the inclined hole,
One of the runner body and the pressing member has a first inclined contact surface along the inclined hole, and the other of the runner body and the pressing member has a first inclined contact surface. upper guide device of the sliding door, characterized in that it have a second inclined abutment surface which abuts. A sliding door fixing body fixed to the upper part of the sliding door that opens and closes the opening of the structure, a hanging connecting portion projecting upward from the sliding door fixing body, and guiding the sliding door along an upper rail provided on the structure. And a runner body attached to the tip of the suspension connecting portion, and a pressing member attached to the runner body so as to be vertically movable and abutting on the top surface of the sliding door,
An inclined hole that is provided in one of the runner body and the pressing member and extends vertically with respect to the upper edge of the sliding door, and a width of the inclined hole that is provided in the other of the runner body and the pressing member. and have dimensions of the same width, and the pressing member possess a slide shaft portion for vertically moving obliquely by being relatively guided along the inclined hole,
The pressing member is disposed between the top surface of the said on rail sliding door, sliding door top of which is characterized in that have a vertical operating piece projecting to either at least the front and rear of the upper rail in a plan view Guide device. The upper guide device for a sliding door according to claim 1 or 2 , wherein the runner body is rotatably attached to the suspension connecting portion. The upper guide device for a sliding door according to any one of claims 1 to 3, wherein the pressing member is configured to be movable downward by its own weight with respect to the runner body. The upper part of the sliding door according to any one of claims 1 to 4 , wherein the inclined hole is inclined with respect to an upper edge of the sliding door within a range of 5 degrees or more and less than 45 degrees. Guide device. The upper part of the sliding door according to any one of claims 1 to 5 , wherein the inclined hole is configured to incline toward the sliding door side toward the suspension connecting portion side. Guide device. The runner body includes a guide roller that travels along the upper rail, and a runner body to which the guide roller is attached and the pressing member is attached.
The runner body is provided with a roller mounting portion to which the guide roller is mounted, a member mounting portion which is continuously provided to the roller mounting portion along the sliding door opening/closing direction and to which the pressing member is mounted, and an upper portion of the member mounting portion. And a jump-up restraining protrusion made of hard synthetic resin,
The top of the guide roller is set higher than the top of the roller mounting portion,
The lift-up suppressing protrusions according to any one of claims 1 to 6, characterized in that contacts the ceiling wall inner surface of said upper rail with the guide rollers against splashing of the sliding door Upper guide device for sliding doors. A sliding door fixing body fixed to the upper part of the sliding door that opens and closes the opening of the structure, a hanging connecting portion projecting upward from the sliding door fixing body, and guiding the sliding door along an upper rail provided on the structure. And a runner body attached to the tip of the suspension connecting portion, and a pressing member attached to the runner body so as to be vertically movable and abutting on the top surface of the sliding door,
An inclined hole that is provided in one of the runner body and the pressing member and extends vertically with respect to the upper edge of the sliding door, and a width of the inclined hole that is provided in the other of the runner body and the pressing member. and have dimensions of the same width, and the pressing member possess a slide shaft portion for vertically moving obliquely by being relatively guided along the inclined hole,
The runner body includes a guide roller that travels along the upper rail, and a runner body to which the guide roller is attached and the pressing member is attached.
The runner main body is provided with a roller mounting portion to which the guide roller is mounted, a member mounting portion which is continuously provided to the roller mounting portion along the sliding door opening/closing direction and to which the pressing member is mounted, and an upper portion of the member mounting portion. And a jump-up restraining protrusion made of hard synthetic resin,
The top of the guide roller is set higher than the top of the roller mounting portion,
The jump-up restraining protrusion contacts the inner surface of the top wall of the upper rail together with the guide roller against the flip-up of the sliding door,
The slide shaft portion is provided in the member mounting portion,
The upper guide device for a sliding door, wherein the jumping-up suppressing protrusion is provided in parallel with the slide shaft portion in the vertical direction .

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