JPH0643776B2 - Vibration prevention device for upper hanging door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an upper hanging door suitable for use as an opening / closing door such as a hanging door or a folding door which is used in places with vibration such as trains, vehicles and ships. Vibration prevention device

[Prior Art] Conventionally, the hanging door is provided with a door wheel on a support shaft protruding from the upper end of the door body, and the door rail is suspended by engaging the guide rail formed on the upper frame or the like with the door rail. The lower part of was only inserted by inserting it into the lower guide groove such as the lower frame to about the middle of the groove depth.

[Problems to be Solved by the Invention] However, the lower structure of such an upper hanging door has a relatively large clearance between the lower guide groove and the lower end of the door body inserted only in the lower guide groove in order to smoothly open and close the door body. In a static use condition such as a building, temporary problems such as strong wind and rain will occur, but especially when used in places with large vibration such as trains, vehicles, ships, etc., such as flaps in the front and rear direction, Further, since there is no support for the door body from below, vibrations in the vertical and horizontal door width directions are severe, which may cause noise and cause inconvenience that the door body is opened unexpectedly.

The present invention has been made in view of the problems of the conventional upper hanging door, and supports the lower end of the upper hanging door to prevent vibration when the upper hanging door is closed, and at the time of opening, it can be released to smoothly open and close. An object of the present invention is to provide a vibration prevention device for an upper hanging door.

[Means for Solving the Problems] The present invention has been completed in view of the above objects, and an engagement inner frame provided in a groove on a floor surface or a lower frame, and the engagement inner frame are fitted or paired with each other. Equipped with a pair of engaging parts at the lower end of the upper hanging door in contact,
The engagement inner frame is vertically movable by an elevating device provided on a floor surface or a lower frame that interlocks with the upper hanging door when the closing or opening of the upper hanging door is completed. The present invention is based on the vibration prevention device.

[Operation] As a result of the above, in the vibration preventing device for an upper hanging door of the present invention, when the closing of the upper hanging door is completed, the engaging inner frame provided in the groove of the floor surface or the lower frame is interlocked with the upper hanging door. Ascending, they are fitted or contacted with the engaging portion at the lower end of the upper hanging door to support them. On the other hand, on the contrary, when opening of the upper suspension door is started, the engagement inner frame is lowered to release the support of the lower end of the upper suspension door.

[Embodiment] An embodiment will be described below with reference to the drawings (see FIGS. 1 to 4 first). In these drawings, reference numeral 1 denotes an upper suspension door equipped with a vibration damping device 2 of the present invention. The door 1 is made of an aluminum material or the like in this example, and a foldable door body 4 is suspended from the four-frame framework 3 and installed.

In this example, the door body 4 includes a door frame 7, which holds a panel body 6 such as a metal plate or a glass plate in a four-sided frame assembly 5, ...
... (a screw number portion is integrally molded in a series in the vertical direction) is rotatably connected (see FIG. 1). Then, half-width door bodies 7a, 7a are arranged at the left and right ends thereof, while a full-width (for example, about 20 cm) door body 7b is arranged in the middle portion, and upper frame 9 in each full-width door body 7b. A door roller 10 is protrudingly provided at a central position in the door width direction, and the door roller 10 is hung on a guide rail 12 of an upper frame 11 so as to be laterally pulled open and closed in a bellows shape. In the figure, 13 is a door stop frame of the door body, and 14
Is a hanging base frame and is provided with upper hanging door wheels 10, respectively.

The vibration preventing device 2 of this example is formed in the lower part of the folding type upper hanging door 1, and is fitted to the engaging inner frame 17 installed in the groove 16 of the lower frame 15 and in this example. A pair of engaging portions 18 at the lower end of the upper hanging door facing each other is provided, and the engaging inner frame 17 is vertically movable by an elevating device 19.

As shown in FIG. 2B, the engagement inner frame 17 of this example is a mold member having a substantially U-shaped cross section, and is installed in the groove 16 of the lower frame. Here, although the length of the engagement inner frame 17 of this example is relatively long, it is formed to be slightly shorter than the lower frame groove strip 16 as shown by l in FIG. It is possible to move left and right in the strip 16.

On the other hand, at the lower end of the door main body 4 of the hanging door of this example, the horizontal door roller 20
, And synthetic resin anti-vibration beads 21 are alternately arranged (see FIG. 1). In this example, the lower surfaces of the horizontal door rollers 20 ... And anti-vibration pieces 21 ... correspond to the engaging portion 18 at the lower end of the upper hanging door. . First, the horizontal door carriage 20 ... is located at the center position in the door width direction of the lower frames 22 ... of each full-width door body 7b, and the lower ends of the door contact frame 13 and the hanging base frame 14 (that is, directly below the upper hanging door carriages 10).
It is provided so as to project downward and is always inserted into the U-shaped groove 23 of the engagement inner frame 17 to guide the door body 4 to open and close. Also,
The swing-off pieces 21 ... Are provided at the lower end of each of the connecting frames 8 ... Without protruding so much (see also FIG. 2 (B) and FIG. 3 (B)).

Then, as shown in FIG. 3 (B), the engaging inner frame 17 has its bottom plate 24 brought into contact with the lower surface of each horizontal door roller 20 ... Fit the pieces 21 ...

Note that, in the lowered state of the engagement inner frame 17 in the present example shown in FIG. 2 (B), the above-mentioned fitting of the vibration-retaining pieces 21 (see FIG. 1) is released, and as a result, each connecting frame 8 ... As shown in Fig. 1, it can be detached from the lower frame in the front-back direction.
Although the horizontal door roller 20 ... Is still inserted into the U-shaped groove 23 of the engaging inner frame due to its protruding length, the lower surface contact is released.

Next, the lifting device 19 for the engagement inner frame 17 will be described (see also FIG. 4).
Are door rollers 26, 26 provided on the front and rear side surfaces of the engagement inner frame 17.
And a guide block 27 made of synthetic resin fixed in the groove 16 of the lower frame, and the guide block 27 engages the guide roller 26 of the inner frame in the inclined guide groove 28 to guide it. In this example, the lifting devices 19 are provided at a plurality of positions separated in the longitudinal direction of the lower frame 15. Also, the fourth
In the figure, 29 is a vertical frame on the suspension base side, and 30 is a detachable dust collection box mounted in the lower frame groove.

The vertical movement of the engagement inner frame 17 is interlocked with the opening / closing operation of the upper suspension door 1. In this example, the U-shaped groove 23 of the engagement inner frame is provided with a transverse shape at the door-stop side end. Receiving part 31
If the lower part of the door stop frame 13 of the door body comes into contact with (consisting of the fixed shaft 32 and the loose fitting pipe 33) and presses it when the closing is completed, the engagement inner frame 17 moves to the door stop side. At the same time, it is lifted by the guide of the guide block 27.

On the contrary, at the start of opening the door main body, if the door main body 4 is pulled laterally to the hanging side in the extended state (the extension length of the door main body 4 in this example is formed to be slightly shorter than the total length of the lower frame groove 16). However, the pressing of the engagement inner frame against the receiving portion 31 is released, and the engagement inner frame 17 is lowered by the urging force of the spring 34 stretched between the lower frames 15.

It should be noted that the interlocking mechanism of the engaging inner frame to the lifting device 19 and the upper hanging door can of course be designed in various ways, and in the upper hanging door 1 of this example, one more interlocking mechanism is also provided. That is, the first
In the figure, the drop lock 35 is fixed to the hanging frame 14 of the door body and can be locked with respect to the engagement inner frame 17, and in the locked state, the door body 4 is further extended. When it is pulled laterally to the door stop side and closed, the engagement inner frame 17 moves together with the door body 4 on the door stop side and rises along the guide block 27. On the other hand, if the closed door body 4 in the locked state is laterally pulled to the suspension base side in the extended state, the engagement inner frame 17 also returns to the suspension base side accordingly and descends along the guide block 27. .

As shown in FIG. 2 (A) and FIG. 3 (A), long cover fins 36, 36 are built in the front and rear of the upper frame 11 of the upper suspension door of this example. , 36 can be moved up and down by the same lifting device or interlocking mechanism as the lower frame part. Further, 37 in the figure are detent pieces provided on the upper end of the connecting frame of the door body.

Next, FIG. 5 and subsequent figures show another embodiment. First, in the embodiment shown in FIG. 5 and FIG. 6, the vibration preventive device 2 of the present invention is provided in the upper hanging door 1 which is an upper hanging type sliding door in this example. In addition to the above, a vantagraph-shaped link mechanism 38,
38 is different from the above-mentioned embodiment.

The vibration preventive device 2 of the present embodiment has an engaging inner frame 17 having a downward U-shaped cross section on the floor surface 39 of a train or the like, and the inner frame 16 is provided inside the floor surface 39 when the upper hanging door 1 is opened. It descends to make its upper surface 40 flush with the floor surface 39 (see FIGS. 5 (A) and 6 (A)), and on the other hand, as the closing of the upper hanging door 1 is completed, it rises to engage with the engaging portion 18. An upper surface 40 is brought into contact with a lower end surface 42 of a door body 41 of a certain hanging door (Figs. 5 (B) and 6).
See FIG.

Here, the interlocking mechanism for the hanging door 1 of the lifting device of this example is
In this example, a link rod 43 is installed on the pantograph-shaped left and right link mechanisms 38, 38 (pivotally attached portions 44, 44, loose insertion portions 45, 4).
5) In addition, a rod-shaped receiving portion 31 is fixedly provided upright at the end of the connecting rod 43 on the door stop side. And the hanging door 1
When the closing of the door body 41 is completed, the small wheel 46 provided at the lower end of the door body 41 on the door-contacting side presses the rod-shaped receiving portion 31, the connecting rod 43 is drawn horizontally, and the left and right link mechanisms 38, 38 are extended and engaged. Inner frame 17
To raise vertically. On the other hand, the descent is due to the weight of the engagement inner frame 17 in this example. Incidentally, reference numeral 47 in the drawing denotes a substrate of the lifting device.

Next, in the embodiment shown in FIG. 7, the engagement relationship between the engagement inner frame 17 and the engagement portion 18 at the lower end of the upper hanging door in the embodiment device shown in FIGS. 5 and 6 is changed. In this example, a groove portion 48 is formed along the door width direction on the lower end surface 42 of the door body 41 of the upper hanging door of the present example, and the raised inner frame 17 is engaged and abutted with the groove portion as an engaging portion. (See FIG. 7 (B)). As in the embodiment shown in FIGS. 5 and 6, the upper surface 40 of the engagement inner frame 17 is flush with the floor surface 39 in the lowered state (see FIG. 7 (A)).

Next, the embodiment shown in FIG. 8 and FIG. 9 is an example in which the engagement relationship between the engagement inner frame 17 and the engagement portion 18 at the lower end of the upper hanging door and the raising device 19 or the interlocking mechanism are further modified. In the lower frame groove 16 of the upper hanging door 1 of the present example, which is an upper hanging type sliding door, two long parallel fins 49, 49 are separated from each other in the front-rear direction and are connected to each other to form an engaging inner frame 17. There is.

Here, the connection of both fins 49, 49 is a receiving part 31 for interlocking the engagement inner frame 17 with the closing operation of the upper hanging door 1.
This is done by fixing (consisting of the fixed shaft 32 and the loose fitting pipe 33) and a contact block 50 made of synthetic resin to contact the upper hanging door 1 between the fins 49, 49 (Fig. 8 and (See also FIG. 9).

On the other hand, in this example, the lifting device 19 for the engagement inner frame 17 includes the tilt arm 5 made of synthetic resin at the lower end of the door body 41 of the upper hanging door.
1, 51 are provided separately from each other on the left and right sides (see FIG. 8), which are inserted into the lower frame groove 16 and engaged with the receiving portion 31 of the engagement inner frame 17 when the closing of the door body 41 is completed. Then, the receiving portion 31 is pressed along the inclined surface 52 to raise the engagement inner frame 17 (see FIG. 8 (B)). Here, the vertical guide groove 5 of the guide block 27 fixed to the lower frame groove strip 16 is provided with door wheels 26, 26 on both front and rear sides of the engagement inner frame 17 of this example.
Since they are engaged with each other in the No. 3, the engagement inner frame 17 rises only in the vertical direction. The engagement inner frame 17 is lowered by its own weight.

Then, as shown in FIG. 9 (B), the engagement inner frame 1 is raised.
7 fits the lower end portion of the upper hanging door 1 which is the engaging portion 18 between the both fins 49, 49, and the upper surface of the contact block 50 of the door body of the upper hanging door which is also the engaging portion 18. It contacts the lower end surface 42. The engagement inner frame 17 is lowered by its own weight.

It should be noted that points common to the respective embodiments are denoted by the same reference numerals in the drawings, and description thereof will be partially omitted.

Although not shown, the top suspension door can be provided with the present vibration preventing device as an accordion curtain or the like in addition to the folding door and the sliding door shown in the drawing.

Further, the fitting / contact between the engaging inner frame and the engaging portion at the lower end of the upper hanging door may be only fitting or only contacting, and the upper hanging door may protrude only to one of the front side or the rear side. In the case of a folding door that is folded, the engaging inner frame can be fitted or abutted only on the protruding side surface of the lower end of the upper hanging door.

On the other hand, the interlocking mechanism for the lifting and lowering device of the engagement inner frame and the upper hanging door,
In addition to the illustrated example, for example, a link may be pivotally attached between the engagement inner frame and the lower frame and the engagement inner frame may be moved up and down by raising or lowering it, or the left and right ends of the engagement inner frame may be hung by a wire. It is possible to wind and rewind it on a pulley that is interlocked with the drive motor (in this case, as a means for interlocking with the hanging door, you can control the drive motor with a touch sensor, etc.), and further hydraulic pressure, pneumatic pressure, etc. It is also possible to use the actuator of.

Although the embodiment was configured as described above, the present invention is not contrary to the above-mentioned gist, the floor surface, the lower frame, the groove of the lower frame, the engaging inner frame,
There are various concrete structures, shapes, dimensions, materials, numbers, and arrangements of the upper suspension doors, engaging parts, and lifting devices, and their relations, as well as interlocking means for the lifting devices and installation locations of the upper suspension doors. Needless to say, it can be changed and is not limited to the above embodiment.

[Advantages of the Invention] The vibration control device for a suspension door of the present invention is provided with an engagement inner frame that is installed in a groove on a floor surface or a lower frame, and a lower end of an upper suspension door that fits or contacts the engagement inner frame. An engaging part is provided as a pair, and the engaging inner frame is provided by an elevating device provided on a floor or a lower frame that interlocks with the upper suspension door at the time of completion or opening of the upper suspension door,
Since it is movable up and down, the engagement inner frame supports the lower end engaging portion of the closed upper suspension door, so that even when the upper suspension door is installed in a place where vibration is large, such as a train, vehicle or ship. It is possible to effectively prevent the vibration, reduce noise, and prevent damage to the hanging parts.

In addition, the engagement inner frame of the vibration prevention device of the present invention is installed in the groove of the floor surface or the lower frame, and the floor surface or the lower frame that interlocks with the upper hanging door when the closing or the opening of the upper hanging door is completed. Since it can be moved up and down by an elevating device provided in, the engaging inner frame can be dropped into the groove of the floor surface or the lower frame to be installed inside when the upper hanging door is opened, and it does not hinder traffic. The appearance can be simple.

[Brief description of drawings]

The drawings show an embodiment, FIG. 1 is a perspective view of an upper suspension door provided with a vibration preventing device of the present invention as seen from the inside, and FIG. 2 is a vertical section as seen from the side showing the opened state of the upper suspension door. In plan view (A)
Is a top sectional view of the same, (B) is a lower sectional view of the same, and FIG. 3 is a longitudinal sectional view showing a closed state of the upper hanging door as seen from a side, (A) is the same upper sectional view, and (B) is The lower cross-sectional view, FIG. 4 is a lower vertical cross-sectional view showing the closed state of the upper suspension door as seen from the inside of the room, while FIG. 5, FIG. 6, FIG. 7 and FIG. 8 and FIG. FIG. 5 is a vertical sectional view of the lower part of the upper hanging door equipped with the vibration preventing device of the present invention as seen from the inside of the room, in which (A) is an open state diagram of the upper hanging door and (B) is the same closed state. FIG. 6 (A) is a sectional view taken along the line AA of FIG. 5, FIG. 6 (B) is a sectional view taken along the line BB of FIG. 7, and FIG. FIG. 8A is a vertical cross-sectional view seen from the side, FIG. 8B is an open state view of the upper hanging door, FIG. 8B is a closed state view of the upper hanging door, and FIG. (A) is a vertical cross-sectional view showing the opened state of the upper hanging door FIG, (B) is the closed state diagram,
FIG. 9 (A) is a sectional view taken along the line CC of FIG. 8, and FIG. 9 (B) is the same as D.
-D line sectional view. 1 …… Top hanging door, 2 …… Vibration prevention device for top hanging door, 15 ……
Lower frame, 16 ... Groove of lower frame, 17 ... Engaging inner frame, 18 ...
... Engaging part, 19 ... Lifting device, 39 ... Floor surface.

Claims (1)

[Claims] 1. A pair of an engagement inner frame provided inside a groove on a floor surface or a lower frame and an engagement portion at a lower end of an upper hanging door that fits or contacts with the engagement inner frame as a pair. The inner frame is movable up and down by an elevating device provided on the floor or the lower frame that interlocks with the upper hanging door when the closing of the upper hanging door is completed or when the opening of the upper hanging door is started. Prevention device.