JP5271343B2 - Sliding door interlocking device - Google Patents

Description

  The present invention relates to a sliding door interlocking device.

  Conventionally, a double door interlocking sliding door provided with a sliding door interlocking device using a wire has been proposed (see Patent Document 1).

Japanese Patent Laid-Open No. 2001-20607

  However, the conventional sliding door interlocking device has a drawback that the wire may be loosened and come off, and there is a drawback that the failure frequently occurs. It was necessary to perform maintenance to prevent this. As described above, it is troublesome to provide a means for preventing loosening of the wire and to perform regular maintenance, and much labor and time are wasted.

  Therefore, an object of the present invention is to provide a sliding door interlocking device that can be used for a long time without maintenance.

The sliding door interlocking device according to the present invention is a double swing sliding door interlocking device that is capable of opening and closing a pair of left and right sliding doors in a symmetrical manner, and a rack fixed to each of the sliding doors that is suspended from an upper frame so as to be opened and closed. A spur gear meshing with the rack and rotating about a vertical axis; a first bevel gear integrally connected to the spur gear coaxially; an interlocking shaft rotatable about a horizontal axis; and the interlocking shaft A second bevel gear integrally connected to the same shaft and a substantially rectangular parallelepiped casing, and the interlocking shaft is pivotally attached to a hole penetrating the side wall of the casing, and the first gear A bevel gear and the second bevel gear are arranged so as to mesh with each other in the casing, and the spur gear is protruded downward to be pivotally attached to the bottom wall portion of the casing, thereby connecting and integrating the unit. And a pair of left and right casings with a predetermined fixed position of the upper frame. Fixation and, firmly adhered by connecting the interlocking shaft in the lateral direction intermediate position of the left and right of the casing to each other, in which the left and right of the spur gear is configured to rotate symmetrically in conjunction.

According to the sliding door interlocking device of the present invention, since the rack and the gear group are engaged with each other and the sliding door is interlocked, failure durability can be improved. Therefore, troublesome maintenance can be omitted.

It is the simplified top view which showed the use condition of one Embodiment of this invention. It is a principal part sectional front view showing one embodiment of the present invention. It is the simple top view which showed the use condition of the reference example . It is the simple top view which showed the use condition of the reference example . It is the simple top view which showed the use condition of the reference example . It is a principal part section top view showing the sliding door interlocking device of a reference example . It is a principal part sectional front view showing the sliding door interlocking device of a reference example . It is a principal part sectional side view.

Hereinafter, the present invention will be described in detail with reference to the drawings.
FIG. 1 and FIG. 2 are diagrams showing an embodiment of the sliding door interlocking device of the present invention. In the double sliding door interlocking device that can open and close a pair of left and right sliding doors A and A in a symmetrical manner. The rack 2 fixed to each sliding door A suspended to the upper frame F on the ceiling side of the doorway G so as to be openable and closable, and a gear group which is rotatably provided at a predetermined fixed position on the upper frame F side and meshes with the rack 2 10 and an interlocking shaft 6 for interlocking the pair of left and right gear groups 10 and 10. When the sliding door interlocking device of the present invention is installed at the entrance / exit G of a house, building, warehouse, storage, etc., and moves either the left or right sliding door A stored in the door pocket, the other sliding door A is also interlocked. It is configured to be pulled out. The left and right sliding doors A, A are provided with handles E, E for performing an opening / closing operation. Advantage that the width dimension W _A of the sliding door A is set to the order of about 1/2 of the width W of the entrance G, in order to open and close the doorway G sliding doors A, move the dimension D of moving the A requires only small about half There is.

Specifically, as shown in FIG. 2, each gear group 10 arranged symmetrically includes a spur gear 7 that meshes with the rack 2, a bevel gear mechanism 5 that connects the spur gear 7 and the interlocking shaft 6. It is equipped with. The gear group 10 is arranged so that the meshing state between the spur gear 7 and the rack 2 is always maintained.
The gear group 10 is fixed to a predetermined fixing position of the upper frame F with a bolt and a nut as a united and integrated unit by the casing 20. The spur gear 7 is pivotally mounted so as to be rotatable around the vertical axis V and meshes with the rack 2. The bevel gear mechanism 5 includes a bevel gear 5a that is coaxially attached to the spur gear 7 and rotates around the vertical axis V, and a bevel gear 5b that is pivotally attached to the interlocking shaft 6 and rotatable around the horizontal axis H. Have. The interlocking shaft 6 is pivotally attached to holes 21 and 21 penetrating the side wall of the casing 20. The left and right gear groups 10 and 10 are configured so that the interlocking shafts 6 and 6 are connected coaxially at an intermediate position so that power is transmitted between the gear groups 10 and 10. In other words, the left and right bevel gear mechanisms 5, 5 rotate synchronously via the interlocking shafts 6, 6 that are coaxially connected. That is, the sliding doors A and A are configured to be interlocked by the left and right gear groups 10 and 10 to open and close symmetrically. In this way, the sliding door interlocking device of the present invention always keeps the movement dimensions D, D of the left and right sliding doors A, A the same until the doorway G changes from the fully open state to the closed state. After that, the same applies when the closed state is changed to the fully opened state. In addition, since the gear groups 10 and 10 and the racks 2 and 2 mesh with each other to transmit power, play does not occur, and the left and right sliding doors A and A are stably and smoothly interlocked and require maintenance. Can withstand long-term use.

It will now be described reference example of the sliding door interlock device.
As shown in FIGS. 3 to 8, the sliding door interlocking device of the reference example can be applied to a double sliding door interlocking device in which two sliding doors A and B are arranged on the left and right sides and can be opened / closed in a symmetrical manner. Is possible. In this sliding door interlocking device, when either the left or right sliding door A housed in the door pocket is moved in the direction of pulling out, the sliding door B arranged side by side in the same door pocket is differentially interlocked with a travel allowance of about ½ times. The other sliding doors A and B are configured to be pulled out in conjunction with each other. Sliding door width W _B of the width dimension of A W _A and the sliding door B is set to approximately 1/4 of the dimension of the width W of the entrance G, the sliding door A to the width W of the entrance G, B There is an advantage that the width dimension of the left and right door pockets for storing the door is small.
The sliding door interlocking device of the reference example has racks 2A and 2B fixed to the sliding doors A and B suspended movably on the ceiling (upper frame F) side of the doorway G and predetermined fixing on the ceiling (upper frame F) side. A gear group 10 which is rotatably provided at a position and meshes with the racks 2A and 2B to interlock the sliding doors A and B while differentially driving, and an interlocking shaft for interlocking the pair of left and right gear groups 10 and 10 18.

Specifically, as shown in FIGS. 6 to 8, each of the left and right gear groups 10 includes a spur gear 12 that meshes with the rack 2 </ b> B of the sliding door B, a small gear portion 16 that meshes with the spur gear 12, and the sliding door A. A two-stage gear 11 having a large gear portion 17 capable of meshing with the rack 2A and a two-stage gear 11 disposed at a predetermined position apart from the large gear portion 17 and meshing with the rack 2A of the sliding door A at a different location. A possible spare gear 13 is rotatably provided on the upper frame F on the ceiling side. Further, a plurality of bevel gear mechanisms 14 and 15 for interlocking the two-stage gear 11 and the spare gear 13 via the interlocking shaft 18 are provided. In the gear group 10, at least one of the meshing state of the large gear portion 17 of the two-stage gear 11 and the other rack 2A and the meshing state of the spare gear 13 and the other rack 2A is always maintained. It is arranged.
In the two-stage gear 11, the small gear portion 16 is set to have 1/2 the number of teeth of the spur gear 12, and the large gear portion 17 has the same number of teeth as the spur gear 12 (twice the number of teeth of the small gear portion 16). Is set. 2-stage gear 11 is rotatably pivotally attached to the first vertical axis V ₁ around at a predetermined fixed position.
Spur gear 12 is rotatably pivotally attached to the second vertical axis V ₂ around at a predetermined fixed position, it is always meshed with the small gear portion 16 of the rack 2B and 2-stage gear 11.
That is, the speed is reduced so that the rotational speed N ₂ of the spur gear 12 is ½ times the rotational speed N ₁ of the two-stage gear 11. Therefore, the sliding door A and the sliding door B are interlocked with the travel dimension D _B of the rack 2B being 1/2 times the travel dimension D _A of the rack 2A while differentially traveling.

The spare gear 13 has the same number of teeth as the large gear portion 17 and the spur gear 12 and is disposed at a predetermined fixed position separated from the first vertical axis V ₁ by a length L. It is pivotally mounted around ₃ turns. Length L is set smaller than the width W _A of the sliding door A. Rotational speed _{N 3} of the spare wheel 13 with respect to the moving dimension _{D A} of the rack 2A is made the rotation speed of the second gear 11 _{N 1} and the same.
The bevel gear mechanisms 14 and 15 are composed of a pair of bevel gears that rotate around two axes that are orthogonal to each other. One bevel gear mechanism 14, and either the bevel gear 14a rotates pivotally attached to the second gear 11 and coaxially with the first vertical axis V ₁ around, is pivotally secured to the interlocking shaft 18 whether rotatable horizontal axis H about And a bevel gear 14b. The other bevel gear mechanism 15, a gear 15a Is or rotates the third vertical axis V ₃ around axially mounted on the spare wheel 13 coaxially, the bulk of the rotatable pivotally mounted to the interlocking shaft 18 horizontal axis H about And a gear 15b.
The interlocking shaft 18 connects the bevel gears 14 b and 15 b and interlocks the two bevel gear mechanisms 14 and 15. That is, the two-stage gear 11 and the spare gear 13 are configured to rotate in synchronization with each other.

The left and right gear groups 10 and 10 are unitized by the casing 20 and can be attached to the upper frame F symmetrically, and the interlocking shafts 18 and 18 are coaxially connected to each other so as to rotate synchronously. It is composed.
Specifically, a spur gear 12, a two-stage gear 11, and a spare gear 13 are pivoted so as to protrude below the horizontally long casing 20, and the bevel gear mechanisms 14 and 15 are placed inside the casing 20. Has been established. The gear group 10 is fixed to the upper frame F with bolts and nuts as a unitary integrated unit by the casing 20. Further, holes 21 and 21 are provided in the side wall portion of the casing 20 so that the interlocking shaft 18 is pivotally supported around the horizontal axis H. The interlocking shafts 18, 18 extend outward from one side of the casing 20, are coaxially connected at an intermediate position between the left and right gear groups 10, 10, and transmit power to each other between the gear groups 10, 10. It is configured as follows.

As shown in FIG. 8, a pair of left and right guide rails 3 and 3 are fixed to the upper frame F along the opening / closing movement direction of the sliding doors A and B. Each guide rail 3 suspends the sliding doors A and B via the suspension member 4. The racks 2A and 2B are fixed to the inner side of the respective suspension members 4 that support the sliding doors A and B, and are arranged so as to engage with the spur gear 12, the two-stage gear 11, and the spare gear 13 by raising the bottom with a spacer S. It is installed. In addition, it is also preferable to provide the cover C so that the upper frame F and the suspension member 4 cannot be seen from the outside.
The guide rails 3 and 3 are disposed so as to be gently inclined so as to gradually descend toward the central position in the left-right direction of the entrance / exit G (see FIGS. 1 and 3 to 5). With this configuration, when the doorway G is open, the sliding doors A and B move to the center in the left-right direction of the doorway G by the weight of the sliding doors A and B just by releasing the hand from the handle E of the sliding door A. Thus, the entrance / exit G can be automatically closed. Although not shown, a balance weight is suspended from the sliding doors A and B via a pulley, and a braking force is applied in a direction in which the doorway G is opened. In this way, when the hand is released from the handle E, the sliding doors A and B move slowly, and the doorway G is closed safely and quietly. When the left and right sliding doors A and B are housed in a door pocket, the balance weight is used to hold the doorway G fully open, and a slight force is applied to the handle E of the sliding door A (toward the center in the left-right direction). It is also preferable that the doorway G can be closed semi-automatically.

Using the above-mentioned sliding door interlock device for (action) will be described.
As shown in FIG. 3, in a fully opened state where the left and right sliding doors A and B are housed in a door pocket and the doorway G is opened, the handle E is pushed lightly (by its own weight) and the doors G and A are moved to the doorway G. To the left and right center position. At this time, the rack 2 (2A) of the sliding door A meshes with the large gear portion 17 of the two-stage gear 11, and as the sliding door A is pulled out, the rack 2A applies a rotational force to the two-stage gear 11. The rotational speed N ₁ of the two-stage gear 11 is reduced to 1/2 the rotational speed N ₂ while transmitting the rotational force from the small gear portion 16 to the spur gear 12, and the moving force is applied to the rack 2 B meshing with the spur gear 12. And sliding door B is pulled out in conjunction. Further, the right sliding doors A and B and the left sliding doors A and B are configured to transmit power to each other, and are drawn out in conjunction with each other with the same dimensions symmetrically.

As shown in FIG. 4, each of the left and right sliding doors A, B are, At a half-open state drawn halfway doorway G by the same dimensions, the sliding door A is pulled out to move the dimension D _A, the sliding door B is drawn by 1/2 times the moving dimension _{D B} of the moving dimension _{D a} of the sliding door a. In other words, the sliding door A and the sliding door B open and close in conjunction with the two-stage gear 11 and the spur gear 12 while being differentially driven with a travel margin of 2: 1. At this time, the rack 2 </ b> A reaches the spare gear 13 and meshes with the large gear portion 17. That is, the rack 2 </ b> A is engaged with both the large gear portion 17 and the spare gear 13 of the two-stage gear 11.

Further, as shown in FIG. 5, the rack 2 </ b> A of the sliding door A is engaged with the large gear portion 17 in the closed state in which the left and right sliding doors A and B are pulled out and the doorway G is closed over the width dimension W. The state of engagement with the spare gear 13 is released. The spare gear 13 transmits the rotational force to the two-stage gear 11 via the bevel gear mechanisms 14 and 15, and rotates the spur gear 12 to continuously apply the moving force to the rack 2 </ b> B of the sliding door B.
In this manner, the sliding door interlock device, from the fully open state to the closed state, the moving dimension D _A of the sliding door A, and a moving dimension D _B of the sliding door B, and held in the two-to-one relationship. After that, the same applies when the closed state is changed to the fully opened state.
Further, there is no play between the gear group 10 and the racks 2A and 2B, the sliding doors A and B are stably and smoothly interlocked, and can withstand long-term use without requiring maintenance.

  The present invention is not limited to the above-described embodiment. For example, as long as the scope of the present invention is not deviated, the arrangement and arrangement position of the gear group 10 can be freely changed. . In some cases, the interlocking shafts 6 and 6 (interlocking shafts 18 and 18) may be connected via a universal joint.

  As described above, the sliding door interlocking device according to the present invention is a double sliding door interlocking device that can open and close a pair of left and right sliding doors A and A in a symmetrical manner, and is suspended from an upper frame F so as to be freely opened and closed. Further, the rack 2 fixed to each sliding door A, the gear group 10 that is rotatably provided at a predetermined fixed position on the upper frame F side and meshes with the rack 2, and the interlocking for interlocking the pair of left and right gear groups 10 and 10. Since the shaft 6 is provided, the rack 2 and the gear group 10 are surely engaged with each other to move the sliding door A, and the failure durability can be improved. Further, no play is generated between the gear groups 10, 10 and the racks 2, 2, the left and right sliding doors A, A can be stably and smoothly interlocked, and maintenance can be omitted for a long period of time.

  In addition, in the double sliding door interlocking device that can open and close the pair of left and right sliding doors A, A in a symmetrical manner, the rack 2 fixed to each sliding door A suspended from the upper frame F so as to be openable and closable; A gear group 10 that is rotatably provided at a predetermined fixed position on the upper frame F side and meshes with the rack 2 and an interlocking shaft 6 for interlocking the pair of left and right gear groups 10, 10 are provided. Is provided with a spur gear 7 meshing with the rack 2 and a bevel gear mechanism 5 for coupling the spur gear 7 and the interlocking shaft 6 so that the meshed state of the spur gear 7 and the rack 2 is always maintained. As a result, the rack 2 and the gear group 10 are reliably engaged with each other to move the sliding door A, and the failure durability can be improved. Further, no play is generated between the gear groups 10, 10 and the racks 2, 2, the left and right sliding doors A, A can be stably and smoothly interlocked, and maintenance can be omitted for a long period of time.

  Two sliding doors A and B are arranged on the left and right sides, and the double sliding door interlocking device that can be opened and closed in synchronization with the left and right is fixed to each sliding door A and B suspended from the upper frame F so as to be movable. The racks 2A and 2B, and a gear group 10 that is rotatably provided at a predetermined fixed position on the upper frame F side and meshes with the racks 2A and 2B to interlock the traveling allowance of the sliding doors A and B, Since the interlocking shaft 18 for interlocking the pair of gear groups 10 and 10 is provided, the left and right racks 2A and 2B and the gear group 10 are surely engaged with each other, and the sliding doors A and B are interlocked. Can be improved. Play is not generated between the gear groups 10 and 10 and the racks 2A and 2B, the left and right sliding doors A and B can be stably and smoothly interlocked, and can be used for a long time without maintenance.

In addition, in the double sliding door interlocking device which is provided with two sliding doors A and B on the left and right sides and can be opened and closed in synchronization with the left and right, the sliding doors A and B suspended from the upper frame F so as to be freely opened and closed. And a gear group 10 which is rotatably provided at a predetermined fixed position on the upper frame F side and meshes with the racks 2A and 2B to interlock with the travel allowance of the sliding doors A and B while differentially driving the sliding doors A and B. And a pair of left and right gear groups 10, 10. The gear group 10 includes a spur gear 12 that meshes with one rack 2 </ b> B and a tooth that is 1/2 times that of the spur gear 12. A two-stage gear 11 having a small gear portion 16 having a number and meshing with the spur gear 12 and a large gear portion 17 having the same number of teeth as the spur gear 12, and the same number of teeth as the large gear portion 17 and the spur gear 12. The spare gear 13, the two-stage gear 11, and the spare gear 13 are connected via an interlocking shaft 18. A plurality of bevel gear mechanisms 14 and 15 to be moved, and at least one of a meshing state between the large gear portion 17 and the other rack 2A and a meshing state between the spare gear 13 and the other rack 2A is always maintained. Since the racks 2A and 2B and the gear group 10 are reliably engaged with each other and the sliding doors A and B are interlocked, failure durability can be improved. Further, the moving dimension D _A of the sliding door _A and the moving dimension D _B of the sliding door B can be maintained in a two-to-one relationship from the fully open state to the closed state. Further, no play is generated between the gear groups 10, 10 and the racks 2A, 2B, the left and right sliding doors A, B can be stably and smoothly interlocked, and maintenance can be omitted for a long period of time.

  In addition, since the gear groups 10 and 10 are unitized by the casing 20 and can be attached to the upper frame F symmetrically, the gear groups 10 and 10 can be easily mounted and the failure durability can be further improved.

2,2A, 2B Rack 5 Bevel gear mechanism
5a, 5b Bevel gear 6 Interlocking shaft 7 Spur gear 10 Gear group 11 Two-stage gear 12 Spur gear 13 Spare gear 14 Bevel gear mechanism 15 Bevel gear mechanism 16 Small gear portion 17 Large gear portion 18 Interlocking shaft 20 Casing
21 Hole A, B Sliding door F Upper frame H Horizontal axis
V Vertical axis

Claims (1)

In the double sliding door interlocking device that can open and close a pair of left and right sliding doors (A) and (A) symmetrically,
A rack (2) fixed to each of the sliding doors (A) suspended from the upper frame (F) so as to be freely opened and closed;
A spur gear (7) that meshes with the rack (2) and rotates about a vertical axis (V); a first bevel gear (5a) that is coaxially and integrally connected to the spur gear (7); An interlocking shaft (6) rotatable around an axis (H), a second bevel gear (5b) coaxially and integrally connected to the interlocking shaft (6), and a substantially rectangular parallelepiped casing (20) With
The interlocking shaft (6) is pivotally attached to holes (21) (21) penetrating the side wall of the casing (20), and the first bevel gear (5a) and the second bevel gear ( 5b) are arranged so as to mesh with each other in the casing (20), and the spur gear (7) is pivoted downward to the bottom wall of the casing (20) so as to be connected integrally. Configure the unit,
The pair of left and right casings (20) and (20) are fixed to a predetermined fixing position of the upper frame (F), and the interlocking shaft (6 ) (6) are connected to each other, and the left and right spur gears (7) and (7) are configured to interlock and rotate symmetrically .

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