JP2005330711A - Slide door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slide door device which prevents a slide door from bouncing when opened, positively maintains the slide door in an open state, is provided with a stopper formed of a small number of component parts, and facilitates assembly thereof. <P>SOLUTION: The slide door device is formed of a guide rail 3 horizontally arranged on an upper portion of an aperture 2 formed in a building skeleton 1, a door body 5 for opening/closing the aperture 2, and hanging wheels 7 mounted on an upper portion of the door body 5 and rollable along the guide rail 3. The guide rail 3 has a rail base section 31 having at least its rail surface 30 bumping like an inverted vee in cross section, and a guide member 32 adjoining to the rail base section 31 and formed like a separate piece having its rail surface 34 bumping like an inverted vee in cross section. Then the guide member 32 is arranged at least at an opening-side rear end of the guide rail 3, and the rail surface 34 of the guide member 32 is set so as to be the same in height as the rail surface 30 of the rail base section 31, and bent toward the skeleton 1, to thereby deviate the door body 5 in the open state toward the skeleton 1. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a sliding door device, and more specifically, a guide rail disposed horizontally on an upper side of an entrance / exit opening of a building cabinet, and a door that opens / closes the entrance / exit opening. Further, the present invention relates to a sliding door device that includes a suspension wheel that is mounted on an upper portion of a door body and engages with a guide rail so as to be able to roll.

  In general, a sliding door is widely used as a door opening / closing means for opening and closing an entrance / exit opening of a building. Conventionally, this type of sliding door has been provided with a rubber stopper on the end of the sliding door wheel running rail on the sliding door opening side, and the wheel of the opened sliding door collides with this stopper. Then, the door was stopped.

  However, in the conventional sliding door device, since the impact of the sliding door collision is received only by the rubber stopper, there is a problem that the sliding door rebounds when the sliding door is opened with force. When the opened slide door rebounds, for example, when carrying the contents etc. using a carriage, the rebounded slide door collides with the carriage and damages the contents, the carriage, or the slide door. There is a fear.

Therefore, as a slide door device that solves the above problem, for example, a stopper that stops the movement of the wheel of the slide door is provided at the open end of the rail of the slide door, and extends above the stopper to the left and right sides from the stopper. The swingable arm is horizontally arranged, and at the tip of the arm, there is a roller or downward arc-shaped projection that hits the top of the door wheel that moves on the rail, and the arm is placed horizontally at the other end of the arm. The thing of the structure which hold | maintains a sliding door in an open position by attaching the spring which urges | biases so that it is maintained is known (for example, refer patent document 1).
Japanese Patent Laid-Open No. 2001-227238 (“Claims”, paragraph numbers 0017 to 0023, FIGS. 1 and 2)

  However, in the thing of Unexamined-Japanese-Patent No. 2001-227238, the elastic force of a spring falls as the frequency | count of opening and closing of a sliding door increases, a door cannot be hold | maintained by an arm, but it can maintain a sliding door open. There was a possibility that it could not be done. In addition, a swingable arm is arranged above the stopper, and a roller or downward arcuate convex portion is provided at the tip of the arm, and a spring is attached to the other end of the arm. In addition, there is a problem that the structure becomes complicated and the assembling work takes time.

  The present invention has been made in view of the above circumstances, prevents rebound when the slide door is opened, reliably maintains the slide door open, reduces the number of constituent members of the stopper, and facilitates assembly work. It is an object of the present invention to provide a sliding door device that is configured as described above.

  In order to solve the above-mentioned problems, the invention according to claim 1 is a guide rail horizontally disposed on an upper side of an entrance opening of a building cabinet, and a door body that opens and closes the entrance opening. And a suspension door device mounted on the upper portion of the door body and engaged with the guide rail so as to be capable of rolling, the guide rail has at least a rail surface having a substantially inverted V-shaped cross section. And a piece-shaped guide member in which at least the rail surface connected to the rail base protrudes in an inverted V-shaped cross section, and the guide member is at least an open-side rear end portion of the guide rail. The rail surface of the guide member is formed at the same height as the rail surface of the rail base portion, and is bent toward the box side.

  In the present invention, it is preferable that a wheel receiving portion on which a suspended wheel can roll is formed on one side of the guide member (claim 2).

  According to this invention, since it is configured as described above, the following effects can be obtained.

  (1) According to the first aspect of the present invention, when the door body is opened by disposing the guide member bent at the opening side rear end of the guide rail toward the box side, The wheel rolls on the rail surface of the guide member, and the door body shifts to the housing side, so the momentum of the door body is attenuated and the door body can be prevented from bouncing, and the door body is reliably kept open. can do. Further, by forming the stopper with the guide member disposed at the rear end portion on the open side of the guide rail, the constituent members of the stopper can be reduced, and the assembling work can be facilitated.

  (2) According to the invention described in claim 2, the suspension wheel is supported by the wheel receiving portion of the guide member by forming the wheel receiving portion on which the suspension wheel can roll on one side of the guide member. Therefore, when opening and closing the door body, the suspension wheel can smoothly roll between the rail base and the guide member, and in addition to the above (1), the door body can be easily opened and closed. be able to.

  Hereinafter, the best mode of a sliding door device according to the present invention will be described in detail with reference to the accompanying drawings. Here, the case where the sliding door apparatus which concerns on this invention is applied to a prefabricated refrigerator is demonstrated.

  1 is a schematic front view showing an example of a slide door device according to the present invention, FIG. 2 is a sectional view showing the slide door device, FIG. 3 is a front view showing a guide rail in the present invention, and FIG. It is sectional drawing which follows the II line | wire of FIG.

  The sliding door device includes a guide rail 3 disposed horizontally on the upper side of an entrance / exit opening 2 (hereinafter referred to as an opening 2) established in a cabinet 1 of a prefabricated refrigerator, and the guide rail 3 Is mounted on the upper end portion of the door body 5 via a bracket 6 and rolls on the guide rail 3. It is mainly composed of suspension wheels 7. A sealed moving means 10 is formed on the lower surface of the door 5 and the floor 8 when the door 5 is closed.

  As shown in FIG. 3, the guide rail 3 includes a plurality of (in this case, two) aluminum extruded profile rail base portions 31 each having a substantially hollow rectangular shape in which a rail surface 30 rises in an inverted V-shaped cross section, A piece-shaped plastic guide member 32 having a substantially rectangular cross section is inserted into and connected to the hollow portion of the rail base portion 31.

  As shown in FIGS. 1 and 3, the guide member 32 has a closed-side front end portion and a closed-side rear end portion of the guide rail 3 so as to correspond to the suspension wheels 7 attached to both upper end portions of the door body 5. (Open side front end) and open side rear end. As shown in FIGS. 4 and 5, the guide member 32 is formed with a bent portion 33 that is bent in an arc shape toward the box body 1, and the rail surface 34 is the same as the rail surface 30 of the rail base portion 31. It is assembled (connected) so as to have a height, and is formed horizontally on one side, for example, the outer lower side, with respect to the floor 8 and an outer peripheral edge 7b of a suspension wheel 7 described later is rolled. A wheel receiving portion 35 having a support surface 36 capable of running is formed. The rail base 31 and the guide member 32 do not necessarily have a rectangular cross section as long as the rail surfaces 30 and 34 protrude at least in an inverted V-shaped cross section. Further, the bent portion 33 of the guide member 32 does not necessarily have an arc shape, and may have an inclined straight line shape.

  The rail base 31 and the guide member 32 configured as described above are mounted on the rail mounting member 4 that is mounted on the cabinet 1 with the mounting bolt 41 and fixed with the fixing bolt 37. In this case, as shown in FIGS. 2 to 4, the rail mounting member 4 has a V-shaped holding portion 42 on which the rail base portion 31 and the guide member 32 are placed, and an inclined shape from one end of the holding portion 42. An inclined portion 43 extending in a vertical direction, a vertical mounting portion 44 connected to the tip of the inclined portion 43 in a crossing manner, and a reinforcing portion 45 connected to the lower end of the mounting portion 44 and the lower portion of the inclined portion 43. It is formed of an aluminum extruded profile.

  The rail mounting member 4 formed in this way is placed on the holding portion 42 in a state where the rail base portion 31 and the guide member 32 are connected to each other, and a fixing bolt 37 is screwed from the outside of the holding portion 42, The base 31 and the guide member 32 are fixed. Then, in a state where the mounting portion 44 is in contact with the mounting surface of the cabinet 1, the mounting bolt 41 penetrates through the mounting hole 44 a provided in the mounting portion 44 and is screwed into the cabinet 1, whereby the rail base portion 31. And the guide member 32 can be firmly fixed.

  Accordingly, the connection position between the rail base 31 and the guide member 32 can be changed as appropriate in accordance with the closed position and the open position of the door body 5, so that the processing of the guide rail 3 can be facilitated and the guidance is performed. Assembly of the rail 3 and the door body 5 can be facilitated.

  In addition, the stopper member 50 of the door body 5 is attached to the end of the rail attachment member 4 (see FIGS. 1, 3 and 4). The stopper member 50 includes a bracket 51 attached to the rail attachment member 4 with fixing bolts 37, and a synthetic rubber stopper piece 53 fixed to a hanging portion 51a of the bracket 51 with a set screw 52. Further, a synthetic rubber stopper piece 54 that collides with the stopper piece 53 of the stopper member 50 is attached to the door contact surface of the door body 5 by a set screw (not shown) (see FIG. 1). In addition, the lower stopper member 55 of the door body 5 is attached to the floor 8 at the open position of the door body 5 (see FIG. 1).

  On the other hand, the suspension wheel 7 is attached at two locations on both ends in the sliding direction at the upper end of the door body 5, and has a V-shaped groove 7 a corresponding to the inverted V-shape of the rail surfaces 30 and 34 of the guide rail 3. As described above, the outer peripheral edge 7 b that rolls on the rail surfaces 30 and 34 and can roll on the support surface 36 of the wheel receiving portion 35 is provided. Further, the position of the suspension wheel 7 can be adjusted according to the mounting state of the door body 5 (specifically, the unevenness or the inclined state of the floor portion 8 where the door body 5 is located). That is, a support shaft that is slidable (movable up and down) in a vertical slot (not shown) provided in the vertical piece 61 of the L-shaped bracket 6 fixed to the upper end of the door body 5. 62 is mounted so as to be rotatable in the vertical direction (see FIGS. 2 and 4). A stopper mechanism 63 is provided at the upper end of the vertical piece 61 of the bracket 6 to prevent the door body 5 from dropping due to its own weight. In addition, a decorative cover 60 covering the upper portion of the door body 5 is formed on the bracket 6 so as to be attachable by a mounting means (not shown) (see FIGS. 2 and 4).

  The suspension wheel 7 formed in this way can roll the V-shaped groove 7a and the outer peripheral edge 7b on the guide rail 3 (specifically, the rail base portion 31 and the guide member 32), and the door body 5. At the time of closing and opening, the guide rail 3 can move to the closing and opening position along the bent portion 33 of the guide member 32. Further, when moving along the bent portion 33 of the guide member 32, the support surface 36 of the wheel receiving portion 35 supports the outer peripheral edge 7b of the suspension wheel 7, and the suspension wheel 7 can roll. When opening and closing the door body 5, the suspension wheel 7 can smoothly roll between the rail base portion 31 and the guide member 32, and the door body 5 can be easily opened and closed.

  The door body 5 includes a pair of surface plates 5a, a frame material 5b interposed between the side portions of the surface plates 5a, and foamed polyurethane or the like in a space formed by both the surface plates 5a and the frame material 5b. It has a sandwich structure filled with a foamable heat insulating core material 5c, and packing receiving seats 71 are provided around the opening edge of the opening 2 on the upper side and the left and right sides of the door 5 on the side of the box 1. A packing 70 that is in pressure contact with the periphery is provided. Further, a derailment prevention member 56 whose height is adjustable with respect to the upper end of the door body 5 is detachably attached to the upper end of the door body 5. Moreover, the shift | offset | difference packing 57 which contacts the floor part 8 is hung by the lower end part of the door body 5 (refer FIG.1 and FIG.2). In addition, a heater (not shown) for thawing and preventing condensed water is embedded at an appropriate position of the packing mounting portion of the box body 1 and an appropriate position of the packing receiving seat 71.

  On the other hand, a sealing moving means 10 is formed on the lower surface of the door 5 and the floor 8 when the door 5 is closed. The sealing moving means 10 is rotatable to the protector 11 attached along the moving direction of the surface plate 5 a of the door body 5, door attracting members 12 attached to both ends of the door body 5, and the floor portion 8. The door 5 can be pressed to the closed position of the box 1 by engaging the guide roller 13 with the protector 11 and the door pulling member 12.

  In the sliding door device formed as described above, when the door body 5 is opened from the closed position, when the door body 5 is moved to the open side, the suspension wheel 7 is moved from the bent portion 33 of the guide member 32 to the wheel receiving portion 35. After the door body 5 moves to the rail base 31 side in a supported state and the contact state of the opening 2 is released, the suspension wheel 7 rolls on the rail base 31 and opens the door body 5. be able to. Here, when the door body 5 is moved to the open position, the suspension wheel 7 on the open end side of the door body 5 rolls along the bent portion 33 of the guide member 32, and the door body 5 shifts to the warehouse 1 side. To do. As the door body 5 shifts to the housing body 1 side in this way, the momentum of the door body 5 is attenuated, the stopper piece 54 of the door body 5 and the stopper piece 53 of the rail mounting member 4 collide, and the door body. 5 and the stopper member 55 of the floor portion 8 collide with each other, so that even when the door body 5 is opened with force, the door body 5 can be prevented from bouncing and the door body 5 is opened. Can be kept open in position. Therefore, when carrying a thing with respect to the refrigerator body 1 using a cart, there is no possibility that the door body 5 that has bounced back will collide with the cart, and the cart can be transported safely.

  In this case, since the suspension wheel 7 rolling on the guide member 32 is supported by the wheel receiving portion 35, the rolling between the bent portion 33 of the guide member 32 and the rail base portion 31 can be performed smoothly. Therefore, the door body 5 can be easily opened and closed.

  In addition, in the said embodiment, although the single door type door apparatus was demonstrated, the door apparatus of this invention is not necessarily limited to a single door type thing, Of course, it can apply also to a double door type door apparatus. It is. In the case of this double door type, the guide member 32 may be provided on the guide rail 3 of each door 5 as described above.

  In addition, in the said embodiment, although the case where opening and closing of the door body 5 was a manual type was demonstrated, it is needless to say that it is applicable also when it is an electric type.

  Moreover, although the said embodiment demonstrated the case where the sliding door apparatus which concerns on this invention was applied to the prefabricated refrigerator, it is the same also in general buildings other than a prefabricated refrigerator, for example, a clean room, a storage, a freezer, etc. Of course, it is applicable to.

It is a schematic front view which shows the sliding door apparatus in this invention. It is sectional drawing which shows the said slide door apparatus. It is an enlarged front view which shows the guide rail in this invention. It is sectional drawing which shows the state which mounted the suspension wheel in the position along the II line | wire of FIG. It is a perspective view of the guide member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing | casing body 2 Entrance / exit opening 3 Guide rail 5 Door 7 Suspension wheel 30 Rail surface 31 Rail base 32 Guide member 34 Rail surface 35 Wheel receiving part

Claims (2)

A guide rail horizontally disposed on the upper side of the entrance opening of the building cabinet, a door body for opening and closing the entrance opening, and an upper portion of the door body are attached to the guide rail. In a sliding door device comprising a suspension wheel engaged so as to be able to roll,
The guide rail includes a rail base portion in which at least the rail surface rises in a substantially inverted V shape in cross section, and a piece-shaped guide member in which at least the rail surface connected to the rail base portion rises in an inverted V shape in cross section. ,
The guide member is disposed at least at the open end of the guide rail, and the rail surface of the guide member is formed at the same height as the rail surface of the rail base, and is directed toward the box side. A sliding door device characterized by being bent and formed. The sliding door device according to claim 1,
A slide door device characterized in that a wheel receiving portion on which a suspended wheel can roll is formed on one side of the guide member.

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