JP2630030B2 - Sliding door intermediate stop device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention is suitable for, for example, a case where a sliding door or the like configured to be able to return to a closed position by gravity by itself is stopped at an intermediate position. The present invention relates to an intermediate stop device for a sliding door to be used.

[Prior Art] As a sliding door capable of returning to a closed position by itself, for example, a sliding door is known in which a rail is erected on a wall surface having an opening, and the sliding door is suspended and supported on the rail via wheels. The sliding door can be opened and closed in the width direction by rolling the wheels on the rail. The rail has a slight downward slope toward the closing position, and when released, the sliding door self-returns to the closing position by gravity.

[Problems to be Solved by the Invention] However, with such a configuration, the sliding door automatically closes, and therefore, the sliding door cannot be kept open at a desired position.

For this reason, various intermediate stop devices for stopping the sliding door of such a system at a desired intermediate position have been considered, but in the related art, the locking means is operated by lever operation or the like to stop the sliding door. Many things are like this,
Unless the lever is operated again, the locked state cannot be released.

Therefore, a person who does not know the situation may apply a strong force to open and close the half-opening sliding door forcibly, and the unexpected stop force may damage the intermediate stop device. Further, the conventional intermediate stop device requires the provision of special members such as an operation lever and a locking means on the sliding door, so that the structure becomes complicated and the number of parts is increased.
In addition, in such a case, since the operation lever and the like are exposed on the surface of the sliding door, the appearance of the sliding door is impaired.

An object of the present invention is to surely solve such a disadvantage with a simple configuration.

[Means for Solving the Problems] The present invention employs the following configuration in order to achieve such an object.

That is, the intermediate stop device for a sliding door according to the present invention is suspended and supported via a pair of wheels on a rail whose rail surface is inclined down to the closed position side, and is biased so that it can return to the closed position by itself. An intermediate stopping device for temporarily stopping the sliding door provided on the way, characterized in that a horizontal surface portion consisting of only a flat horizontal surface is provided in the middle of the rail surface. In order to prevent the sliding door from swinging in the width direction when moving the sliding door, a pair in which each wheel rides simultaneously in the middle of the movable range of the closed position side wheel and the middle of the movable range of the open position side wheel is set. It is preferable to form a horizontal plane portion.

In addition, even if the rail surface may be tilted to the closing position more than necessary due to mounting error or the like, in order to reliably stop the sliding door in the middle of the opening position, instead of the horizontal surface portion, the rail surface may be used. It is preferable to provide a flat rear slope portion gently descending to the opening position side in the middle of the step.

In this case, in order to more reliably stop the sliding door, a pair of rear inclined surfaces where each wheel rides simultaneously in the middle of the movable range of the wheel in the closed position side and in the middle of the movable range of the wheel in the open position side. Is preferably formed.

In order to surely reduce the location on the rail where noise is generated, it is preferable to provide the rear inclined surface part in the middle of the movable range of the wheel on the closed position side or in the movable range of the wheel on the open position side.

In order to stop the sliding door at a plurality of positions of the opening position, a plurality of pairs of horizontal surface portions or a pair of rear inclined surface portions are provided, or the movable range of the rear inclined surface portion of the wheel on the closed position side. At a plurality of locations in the middle of the movable range of the wheels on the opening position side.

The horizontal surface portion and the rear inclined surface portion may be provided at a position lower than the reference line of the rail surface or may be provided at a higher position.

When a plurality of rear inclined surfaces are formed in the middle of the movable range of the wheels on the closing position side or in the movable range of the wheels on the open position side, each rear inclined surface portion is located at a position lower and higher than the reference line on the rail surface. May be provided alternately.

In order to suppress the vibration when the sliding door is moved, the rail may be provided with a vibration suppressing means for suppressing the vibration.

In order to effectively suppress the vibration of the rail, it is preferable that the vibration suppressing means is constituted by a rail in which a material having a lower hardness than the metal structural material is interposed between the metal structural materials. .

In order to reduce the noise emitted from the rails, wheels, and the like and improve the appearance, it is preferable to provide a cover on the outer surface of the rail and provide a sound absorbing material on the inner surface of the cover. As the sound-absorbing material, urethane foam, which has a high sound-absorbing effect and the like and is relatively easy to mount, is preferable.

[Operation] With such a configuration, when the opening / closing operation force is applied to the sliding door to move the sliding door to a position where the wheel rides on the horizontal surface, the urging force acts directly below the wheel. As a result, even if the hand is released, the wheel does not roll toward the closing position, and the sliding door stops at the position. In such a state, when the opening / closing operation force is applied to the sliding door to move the wheel in a left or right direction to a position away from the horizontal surface portion, the intermediate stop state of the sliding door is released. When the wheel moves the sliding door to a position away from the horizontal surface part and then releases the hand,
The wheel rolls due to gravity, and the sliding door runs in the direction of the closing position. At that time, the sliding door self-returns to the closed position through the horizontal surface partway through due to inertia. Also, since the intermediate stop device is constituted by a horizontal surface portion consisting only of a flat horizontal surface in the middle of the rail surface, the sliding door can be moved up and down compared to a configuration in which a concave surface is provided on the rail and wheels are fitted. It moves smoothly with less.

It should be noted that, in place of the horizontal surface portion, when a flat rear inclined surface portion gently descending to the opening position side is provided in the middle of the rail surface, an operation similar to the operation described above is obtained,
The sliding door can be moved smoothly and stopped in the middle.

[Embodiment] One embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 3 and 4, the intermediate stop device 1 is provided with a plurality of sets of horizontal plane portions 21a and 21b in the middle of the rail surface 21 of the rail 2 inclined downward to the closing position C side. The wheels 31, 32 of the sliding door 3 are stopped on the horizontal plane portions 21a, 21b.

More specifically, as shown in FIGS. 1 and 2, a rail 2 is fixed to one side surface 4b of a wall 4 having an opening 4a, and the rail 2 is fixed to the rail 2 via a pair of wheels 31, 32. The sliding door 3 is suspended and supported.

The sliding door 3 has an upper end 3a facing the lower surface 2a of the rail 2, and has wheels 31, 32 on both left and right sides of the upper end 3a. The wheel 31 at the closing position C and the wheel 32 at the opening position O
Are held on the upper end 3a of the sliding door 3 via brackets 31a, 31a, respectively. And this sliding door 3
The wheels 31 and 32 can open and close by sliding on the rail surface 21 by rolling on the rail surface 21.If the hand is released halfway on the opening position O side, the wheels 31, 32 are moved on the rail surface 21 by gravity. To self-return to the closed position C.

The rail 2 has a length approximately twice as large as the width of the opening 4a, and its rail surface 21 has a middle part of the movable range A of the wheel 31 on the closing position C side and an opening part thereof. In the middle of the movable range B of the wheel 32 on the position O side, a pair of horizontal plane portions 21a and 21b on which the respective wheels 31 and 32 ride simultaneously are formed. Each of the horizontal surface portions 21a and 21b is provided at a position lower than the reference line 22 of the rail surface 21. In the drawings, the inclination of the rail surface 21 is increased, but in practice, the inclination is set to be gentle enough to allow the sliding door 3 to run on its own. The valleys and ridges on the left and right sides of each of the horizontal planes 21a and 21b are formed into gentle curved surfaces.

A cover 5 is mounted on the outer surface of the rail 2. The cover 5 is a thin-walled one fixed to the upper end of the rail 2 via screws or the like (not shown).
A sound absorbing material 51 made of a urethane foam sheet is adhered to 5a. In FIG. 1, reference numeral 6 denotes a shock-absorbing cylinder for reducing the speed of the sliding door 3 by coming into contact with the arm 33 of the sliding door 3 just before the closing position C.

According to such a configuration, when the sliding door 3 is moved to the position where the wheels 31 and 32 ride on the paired horizontal plane portions 21a and 21b by applying the opening / closing operation force to the sliding door 3, the respective wheels 31 and 32 are directed downward. Will act. As a result, even if you release your hand,
The wheels 31 and 32 do not roll to the closing position C, and the sliding door 3 stops at the position. Sliding door 3 from such a state
The opening and closing operation force is applied to the
When the sliding door is moved in the left or right direction to the position a or 21b or away, the intermediate stop state of the sliding door is released. When the sliding door 3 is moved to a position where the wheels 31 and 32 are separated from the horizontal plane portions 21a and 21b and then released, the sliding door 3 moves by itself in the direction of the closing position C due to gravity. At this time, the sliding door 3 self-returns to the closed position C through the horizontal plane portions 21a and 21b on the way due to inertia.

Therefore, with such a configuration, the sliding door 3 can be easily and reliably opened by simply moving the sliding door 3 until the wheels 31, 32 ride on the horizontal surface portion 21a formed in the middle of the rail surface 21. It can be left stopped halfway through the position. When it is desired to release the intermediate stop state of the sliding door 3, the intermediate stop state can be easily released simply by slightly moving the sliding door 3 in one of the left and right directions. For this reason, even when the half-opening sliding door 3 is opened and closed by a person who does not know the circumstances, there is no problem that an unreasonable external force is applied to the sliding door 3, the rail 2, or the like.

Further, since the wheels 31 and 32 are simultaneously supported by the horizontal surface portions 21a and 21b, it is possible to effectively prevent the sliding door 3 from swinging in the width direction when the sliding door 3 is moved.

Furthermore, if the cover 5 is mounted on the outer surface side of the rail 2 and the sound absorbing material 51 is provided on the inner surface 5a, the rail 2, the wheels 31,
Exposure of 32 etc. to the outside can be prevented, and the sliding door 3
Even when noise is generated in the scale when moving the sound, the noise can be absorbed by the sound absorbing material 51. Therefore, with such a configuration, the appearance can be improved and the noise can be effectively reduced.

In addition, it is not necessary to provide any special intermediate stop device in the sliding door 3 or the like, and the rail 3 may be replaced with the above-described one. Therefore, the existing sliding door 3 and the like can be effectively used. There is no need to complicate the structure.

Note that the rail may be provided with vibration suppression means. As the vibration suppressing means, for example, the rail itself may be of a vibration damping structure in which a material having a lower hardness than the metal structural material (lead, synthetic resin, etc.) is interposed between the metal structural materials. Good. Examples of the metal structural material include, besides those made of steel, those made of extruded aluminum, those made of copper, those made of brass, and the like.

Further, at least one set of a horizontal surface portion or a rear inclined surface portion may be formed on the rail surface in the middle, and for example, a structure as schematically shown in FIGS. 5 to 12 may be used. In addition, parts that are the same as those in the above-described embodiment are given the same reference numerals in the respective drawings, and descriptions thereof are omitted.

The rail surface 21 shown in FIG. 5 has a pair of horizontal planes on which the wheels 31 and 32 simultaneously ride in the middle of the movable range A of the wheel 31 on the closed position side and the middle of the movable range B of the wheel 32 on the open position side. Face
A plurality of sets 21a and 21b are formed, and each horizontal surface 21
a and 21b are provided at a position higher than the reference line 22 on the rail surface 21.

The rail surface 21 shown in FIG. 6 has a pair of wheels 31 and 32 on which the wheels 31 and 32 simultaneously ride in the middle of the movable range A of the wheel 31 on the closed position and the middle of the movable range B of the wheel 32 on the open position. Slope
Two sets of 21c and 21d are formed, and each
c and 21d are provided at positions lower than the reference line 22 on the rail surface 21. Each of the rear inclined surfaces 21c and 21d is inclined backward so that the rail surface 21 is not inclined downward toward the closed position even if the rail surface 21 is inclined more than necessary due to a mounting error or the like. is there. In other words, the rear inclined surface portions 21c and 21d are flat surfaces that incline very slowly toward the opening position.

The above embodiment is directed to the case where a pair of horizontal planes or rear inclined planes on which both wheels ride at the same time is formed.However, when the sliding door is stopped at the intermediate position by only one of the wheels, the following manner is adopted. It is also possible to form an inclined surface portion in advance.
Also, the rear inclined surface portion may be at least one position lower or higher than the reference line of the rail surface.

7, a plurality of rear inclined surfaces 21c are formed in the middle of the movable range A of the wheel 31 on the closing position side, and each rear inclined surface 21c is separated from the reference line 22 of the rail surface 21. It is provided at a low position.

A plurality of rear inclined portions 21c are formed on the rail surface 21 in FIG. 8 in the middle of the movable range A of the wheel 31 on the closed position side, and each rear inclined surface portion 21c is separated from the reference line 22 of the rail surface 21. It is provided at a high position.

9, a plurality of rear inclined surfaces 21d are formed on the rail surface 21 in the middle of the movable range B of the wheel 32 on the opening position side, and each rear inclined surface 21d is lower than the reference line 22 of the rail surface 21. It is provided in the position.

On the rail surface 21 in FIG. 10, a plurality of rear inclined surfaces 21d are formed in the middle of the movable range B of the wheel 32 on the opening position side, and each rear inclined surface 21d is higher than the reference line 22 of the rail surface 21. It is provided in the position.

In the rail surface 21 in FIG. 11, a plurality of rear inclined surfaces 21c are formed in the middle of the movable range A of the wheel 31 on the closed position side, and each rear inclined surface 21c is separated from the reference line 22 of the rail surface 21. It is provided alternately at low and high positions. Each of these rear slopes
21c, the length from each of the above-mentioned rear inclined surfaces and the dimension from the reference line 22 are set to half.

The rail surface 21 in FIG. 12 has a plurality of rear inclined surfaces 21d formed in the middle of the movable range B of the wheel 32 on the opening position side, and each rear inclined surface 21d is lower than the reference line 22 of the rail surface 21. It is provided alternately at the position and the high position. Each rear inclined surface portion 21d,
The length and the dimension from the reference plane 22 are set to half of those of the above-mentioned rear inclined surfaces.

[Effect of the Invention] Since the present invention is configured as described above, the sliding door can be reliably and easily kept open in the middle of the opening position, and the sliding door is slightly moved to either the left or right. The intermediate stop state of the sliding door can be easily released simply by itself, and a special release operation is not required. As a result, no unreasonable external force is applied to the intermediate stop device or the like, and the function can be maintained for a long time. Further, the intermediate stop device is configured by providing a flat surface portion consisting only of a flat horizontal surface in the middle of the rail surface, or a flat rear slope surface portion that gradually slopes down to the opening position side, and the rail has a concave surface. , And the sliding door moves up and down more smoothly than the one in which the wheels are fitted, so that the opening and closing operation of the sliding door can be performed smoothly and quietly. Moreover, according to the present invention, there is no need to provide a sliding door or the like with any special member for stopping the sliding door at an intermediate position, and only the rails need to be replaced, so that the present invention can be easily applied to existing ones. it can.

If the pair of horizontal planes provided in the middle of the movable range of each wheel on the closing position side and the opening position side can support both wheels at the same time, the sliding door swings in the width direction when moving the sliding door Can be suppressed, and rattling during movement can be effectively suppressed.

Also, if a pair of rear inclined surfaces is formed in the movable range of each wheel on the closing position side and the opening position side so that each wheel rides at the same time, the rail surface may be more than necessary due to mounting errors etc. Even if the sliding door is tilted toward the closing position, the sliding door can be reliably stopped in the middle of the opening position.

In the case where the rear slope portion is provided in the middle of the movable range of the wheel on the closing position side or in the middle of the movable range of the wheel on the open position side, the processing time can be reduced, and the wheel is provided near the rear slope portion. Even if rattling occurs, the number of locations where noise is generated can be halved.

Furthermore, in the case where a plurality of pairs of horizontal planes or a pair of rear inclined surfaces are formed, or in a case where a plurality of rear inclined surfaces on which any wheel rides are formed in a plurality of places, the sliding door is used. It can be stopped at a plurality of opening positions, and the opening width of the entrance can be adjusted to a plurality.

If the rails are provided with vibration suppression means for suppressing the vibrations, even if vibrations occur when the wheels pass through the horizontal plane or the rear inclined plane at once, the vibrations are effectively prevented. Can be suppressed.

If the vibration suppressing means is constituted by a rail in which a material having a lower hardness than the metal structural material is interposed between the metal structural material and the metal structural material, the vibration of the rail can be surely reduced without increasing the number of parts. Can be suppressed.

If a cover is provided on the outer surface of the rail and a sound absorbing material such as urethane foam is provided on the inner surface of the cover, the appearance can be improved and the noise generated from the rails, wheels, etc. can be reliably reduced. be able to.

[Brief description of the drawings]

1 to 4 show an embodiment of the present invention. FIG. 1 is an overall front view, FIG. 2 is a partial cross-sectional side view, and FIG.
FIG. 4 is a detailed view of a part D in FIG. 4, and FIG. 5 to 12 are explanatory views corresponding to FIG. 4 showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1 ... Intermediate stop device, 2 ... Rail 3 ... Sliding door, 5 ... Cover 5a ... Inner surface, 21 ... Rail surface 21a, 21b ... Horizontal surface portion 21c, 21d ... Rear inclined surface portion 22 ... Reference line , 31,32 …… wheels 51 …… sound absorbing material

Claims (18)

(57) [Claims] 1. A sliding door which is suspended and supported via a pair of wheels on a rail whose rail surface is inclined downward to a closed position side and is biased so as to be able to return to the closed position by itself is temporarily provided. An intermediate stop device for a sliding door, wherein a horizontal surface portion consisting of only a flat horizontal surface is provided in the middle of the rail surface. 2. A pair of horizontal planes on which each wheel rides simultaneously is provided in the middle of the movable range of the wheel on the closed position side and in the middle of the movable range of the wheel on the open position side. An intermediate stop device for a sliding door according to claim 1. 3. The intermediate stop device for a sliding door according to claim 2, wherein a plurality of pairs of horizontal surface portions are provided. 4. A pair of horizontal plane portions is provided at a position lower than a reference line of a rail surface.
The sliding door intermediate stop device as described in the above. 5. A pair of horizontal plane portions is provided at a position higher than a reference line of a rail surface.
The sliding door intermediate stop device as described in the above. 6. A sliding door which is suspended and supported via a pair of wheels on a rail whose rail surface is inclined downward to a closing position side, and which is biased so as to be able to return to the closing position by itself, is temporarily stopped. An intermediate stop device for a sliding door, characterized in that a flat rear inclined surface portion gently descending to the open position side is provided in the middle of the rail surface. 7. A pair of rear inclined surfaces on which each wheel rides simultaneously is provided in the middle of the movable range of the wheel on the closing position side and in the middle of the movable range of the wheel on the open position side. Item 7. An intermediate stop device for a sliding door according to Item 6. 8. The intermediate stop device for a sliding door according to claim 7, wherein a plurality of pairs of rear inclined surfaces are provided. 9. The intermediate stop device for a sliding door according to claim 6, wherein a rear inclined portion is provided in the middle of the movable range of the wheel on the closing position side. 10. The intermediate stop device for a sliding door according to claim 6, wherein a rear inclined portion is provided in the middle of the movable range of the wheel on the opening position side. 11. The sliding door intermediate stop device according to claim 10, wherein a plurality of rear inclined surfaces are provided. 12. The vehicle according to claim 6, wherein the rear inclined surface portion is provided at a position lower than a reference line on the rail surface.
The intermediate stop device for a sliding door according to 9, 10 or 11. 13. The method according to claim 6, wherein the rear inclined portion is provided at a position higher than a reference line on the rail surface.
The intermediate stop device for a sliding door according to 9, 10 or 11. 14. The intermediate stop device for a sliding door according to claim 9, wherein the rear inclined portions are provided alternately at positions lower and higher than a reference line on the rail surface. 15. A rail according to claim 1, wherein said rail is provided with a vibration suppressing means for suppressing its vibration.
Intermediate stop device for sliding door as described. 16. The vibration suppressing means according to claim 15, wherein the vibration suppressing means is constituted by a rail having a material having a lower hardness than the metal structural material interposed between the metal structural materials. Sliding door intermediate stop device. 17. An intermediate stop device for a sliding door according to claim 1, wherein a cover is provided on an outer surface side of the rail, and a sound absorbing material is provided on an inner surface of the cover. 18. The intermediate stop device for a sliding door according to claim 17, wherein the sound absorbing material is urethane foam.