JP2000291339A - Multiple door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multiple door which has protection effect, is convenient in operation like a single door, can be made into the same door by connecting inner and outer doors and can fix the protective door on the outside to a gate frame independently. SOLUTION: This multiple door has a gate frame 10 and a door 20, and the gate frame 10 is provided with a pivotal shaft, and at least a protective door 30 is set so that it can move to one side face of the door 20, and the protective door 30 or gate frame 10 is provided with a gate bar device 50, and the protective door 30 can be fixed to the gate frame 10 by locking the gate bar together with the gate frame 10. In addition, a small number of connection parts are provided to the connection section of the protective door 30 and the door 20 so that when the door 20 and the protective door 30 are overlapped with each other, they can be connected to each other, and the protective door 30 and the door 20 can also be separated from each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multiple door, and more particularly, to a multiple door capable of preventing theft and preventing fire.

[0002]

2. Description of the Related Art Conventionally, gates or windows for special purposes such as anti-theft and fire prevention are usually of a type in which another door is installed outside a general door, and the other door is used. Is separately attached to the gate frame by a hinge. According to the use of the other door, different materials (for example, a steel plate for anti-theft and a fire prevention plate for fire prevention) are selected to enhance the protection effect.

However, since the conventional double door is an additional door separately mounted on the outside of the original door, it is necessary to use another set of hinges to secure the protective door. It must be mounted on the gate frame, and a separate set of door locks must be installed on the guard door. Therefore, every time the user opens or closes the door, the user must open two sets of door locks and further apply the door lock. Therefore, the operation is extremely inconvenient. Thus, if a severe situation is encountered, such as in the event of a fire or other emergency, the outside guard door door lock is broken or cannot be opened, block the escape route. May cause danger.

In addition, in the conventional double protective door, the two doors are independent of each other. For this reason, the gate frame must be provided with a space for attaching the inner and outer layer doors. Must. Therefore, the space of the gate frame must be large. In addition, since door locks need to be provided for the doors of the inner and outer layers, the cost of the gate is increased.

[0005] For the above reasons, it is clear that the conventional double protective door is structurally complicated, expensive and extremely inconvenient to operate, and needs to be improved.

[0006] In view of this, the present inventor has conducted aggressive research after searching for pains, added many years of experience in the research and development of correlated products, and, through constant tests and improvements, finally achieved the present invention. It has been reached.

[0007]

The problem to be solved by the present invention is to provide a protective effect of multiple doors, which is as convenient in operation as a single-sheet door mechanism, and that the inner and outer doors are connected. This is a multi-door mechanism that allows the same protective door to be used and the outer protective door to be fixed independently to the gate frame.

[0008]

According to the present invention, as a means for solving the above-mentioned problems, a gate frame and a door attached to the gate frame by a pivot are provided, and the door has at least a protective door. Is provided so that it can move to one side of the door, and a locking device is attached to the protective door or the gate frame, and the protective door is locked by locking together with the gate frame. It can be fixed to the gate frame. Also, some joint parts are provided on the joint surface between the protective door and the door, so that when the door and the protective door overlap, they can be joined together, and The door and the door can detach from each other. Thus, a multiple door mechanism is created, and a multiple door mechanism of the means for solving the problems of the invention is provided.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 3, a multiple door mechanism according to the present invention comprises a gate frame 10 mainly installed on a wall of a building and a pivot frame attached to the gate frame 10. It comprises a door 20 and a protective door 30 installed outside the door 20. Different materials can be selected for the protective door 30 depending on the application. When used as a fire protection gate, the material of the protection door 30 may be a fire protection plate. When used as an anti-theft gate, a steel plate can be selected for the material of the protective door 30.

As shown in FIG. 3, the door 20 is a hinge 2
1 is attached to the inside of the gate frame 10. And it can turn around the hinge 21. Therefore, the door 20 can be closed or opened. As shown in FIG. 1, a door lock 22 is provided at one end of the door 20 which can be opened and closed.
This is used to lock the door frame 10 when the door 20 is closed.

Referring again to FIGS. 1 to 3, the main feature of the present invention is that a joint part 40 is provided between the protective door 30 and the door 20. This allows the protective door 30 and the door 20 to be joined together (as shown in FIG. 1). In addition, the protective door 30
Can be separated from the door 20. Further, it can be independently fixed to the gate frame 10 by a set of latching devices 50 (as shown in FIG. 2).

The protective door 30 is not directly connected to the gate frame 10, but is attached to the door 20 and indirectly mounted on the gate frame 10.
Further, the protective door 30 is not provided with an independent door lock. Therefore, in order for the user to be able to open the door lock 22 from the outside of the protective door 30, it is convenient to use the door lock 2 of the protective door 30.
A lock hole 32 is provided at a position corresponding to No. 2.

[0013] The joining component 40 of the first embodiment of the present invention.
Includes the following: There are some inserts 41, which protrude above the inside surface of the protective door 30. There is a slight stop groove 42, which is installed on the contact surface between the door 20 and the protective door, facing the position of the insertion part, and
1 can be provided for insertion therein. The opening has a relatively large large end 421 so that the insertion component 41 can be easily inserted into the retaining groove 42.

As shown in FIG. 3, when the door 20 and the protective door 30 overlap, the slightly inserted part 41 can be inserted into the slightly engaged groove 42. Therefore, the protective door 30 can be attached to the door 20, and can be turned around the hinge 21 together with the door 20.

As shown in FIG. 2 and FIG. 4, when the latch device 50 of the protective door 30 is fixed to the gate frame 10 and the user opens the door 20, the insertion part 41 is inserted. Can be detached from the retaining groove 42, so that the protective door 30 can be fixed to the portal frame 10 alone. Further, the door 20 can be arbitrarily opened.

In addition, in the above-mentioned joining component 40, the insertion component 41 can be installed in the door 20. Then, the stop groove 42 is inserted into the protective door 30.
, The same effect can be achieved.

Since the protective cover 30 used in the embodiment has a hollow plate structure, the latch device 50 can be installed inside the protective cover 30. The latch device 50 has a small number of fixing parts 51 therein, and is installed on both sides of the protective door 30, and its ends protrude from both side end surfaces of the protective door 30. Also, there are some guide parts 55, which are installed on the protective door 30, and are used to guide the movement of the some fixed parts 51 along the linear direction. Further, there is a driving mechanism 52 for driving the fixed component 51 to cause the expansion and contraction operation. Therefore,
The fixing component 51 can protrude outside the protective door 30. Alternatively, it can be retracted inside the protective door 30.

As shown in FIG. 3 and FIG.
Reference numeral 2 denotes a rotatable rocker arm having a rotating shaft 53,
It is installed on the protective door 30 so that it can rotate,
A connecting rod 54 is attached between both ends and the end of the fixed part 51. When the driving mechanism 52 rotates, the fixed part 51 can be moved in a linear direction by transmitting the connecting rod 54.

As shown in FIG. 3 and FIGS. 5 and 6, both sides of the protective cover 30 are separately provided with a few openings 31, and are used for projecting the fixed parts 51. It is. A latch hole 11 is provided on the inner surface of the gate frame 10 at a position facing the fixed component 51. The bolt hole 11 can be used to insert the fixing component 51 therein. As shown in FIG.
When the protective cover 30 is in the closed position, the fixing component 51 can protrude into the latch hole 11. Therefore, the fixed component 5
1, the protective door 30 can be fixed in a closed position.

In addition, a rolling component 60 is provided on the inner surface of the door 20. Thus, the user can operate the latch device 50 from the inner surface of the door 20. The rolling component 60 has a rotating shaft 61, which is mounted on the portal frame 20, and its mounting position is located on the same central axis as the central axis of the rotating shaft 53 of the driving mechanism 52. A handle 62 is provided at the end of the rotary shaft 61 and is provided when a user turns the rotary shaft 61. One end of the bolting device 50 where the rotating shaft 53 approaches the door 20 projects from the surface of the protective door 30, and a second joint 56 is provided on the end surface. At the same time, a first joint 63 is provided at the front end of the rotating shaft 61 of the rolling component 60. As shown in FIG. 3, when the door 20 and the protective door 30 overlap with each other, the first joint portion 63 at the end of the rotating shaft 61.
Can be inserted into the second joint 56 at the end of the rotating shaft 53.

The second joint 56 and the first joint 63
May be square or any other interdigitable geometric shape. Therefore, when the first joint portion 63 and the second joint portion 56 are fitted together, the rotating shaft 53 can be transmitted by the rotating shaft 61 and rotate. Therefore, after the door 20 and the protective door are closed, the first joint 63 and the second joint 56 are mutually connected. However, the user can roll the handle 62 from the inner surface of the door 20. By turning the handle, the rotating shaft 61 is transmitted through the rotating shaft 53 of the latch device 50, and thus the fixed component 51 can be inserted into the latch hole 11, and the protective cover 30 Can be fixed to the gate frame 10.

Thus, in mounting the protective door 30 more stably on the gate frame 10, the present invention separately installs two or more sets of the latching devices 50 separately on the upper and lower sides of the protective door 30. Can be installed. Thus, when the protective door 30 is fixed to the portal frame 10, it does not swing.

Further, as shown in the drawing, the latch device 50 of the present invention can be installed on the protective door 30 by employing a vertical system in addition to being installed horizontally.

As shown in FIG. 1, according to the present invention, the protective cover 30 and the cover 20 can be integrally connected by the connecting part 40. Thus, the door 20
Can have a good protective effect. In addition, the protective door 30 can be mounted on the portal frame 10 without the need for hinges or other securing devices. Thereby, the volume of the overall structure of the present invention can be reduced significantly compared to the volume of the conventional double protective door, and the space can be saved. Further, it is not necessary to attach a door lock to the protective door 30. Further, it is possible to achieve the purpose of cost reduction, and when entering the room, just tighten or open the door lock to enter the room. Can enter and exit. Therefore, the present invention is more convenient in operation.

Further, the protective door 30 can be fixed to the portal frame 10 alone. Thus, after the protective door 30 is fixed to the gate frame 10, the door 20 can still be freely opened. Therefore, the present invention has considerable elasticity in use. At the same time, after the user closes the door 20, the latch 50 of the protective door 30 can be tightened indoors, so that it is difficult for an intruder from outside to open the protective door 30. Is extremely secure.

The above is the basic structure of the present invention, and various other embodiments are possible. For example, as shown in FIG. 7, in the second embodiment of the present invention, the fixing component 51 separately installed on one side of the protective cover 30 is connected to a connecting rod 5.
7, an extension rod 58 is provided on the connection rod 57, and the end of the extension rod 58 is connected to the connection rod 54 of the drive mechanism 52.
It is linked to Therefore, the driving of the driving mechanism 52 can be received. By the action of the connecting rod 57, two or more pairs of the fixed components 51 can be simultaneously driven by a set of driving mechanisms 52. Therefore, the second embodiment aims to drive all the fixed components 51 with only one set of the rolling components 60 and the driving mechanism 52, thereby simplifying the structure. Can be reached.

As shown in FIG. 8, in the third embodiment of the present invention, the joining component 40a employed is
a and the engaging groove 42a. The feature is that the insertion part 41a has a slightly larger large end 43a at the head thereof. Thus, the stop groove 42
A stop portion 44a having a diameter slightly smaller than that of the large end portion 43a is provided at the opening position a. Further, since the large end 43a is manufactured by using an elastic material, its diameter can change elastically. Because of this,
After the insertion part 41a is inserted into the engagement groove 42a, the large end 43a can be mutually engaged with the engagement part 44a. Therefore, the insertion component 41
a and the stop portion 44a cannot be easily separated. Thus, when the protective door 30 is installed in the gate frame 10, further stability can be obtained.

As shown in FIG. 9, in the fourth embodiment of the present invention, a first protective door 30a is installed on the outer surface of the door 20, and a second protective door 30b is installed on the inner surface thereof. Things. The first and second protective doors 30a, 30b
Have independent latching devices, which can be separately fixed to the gate frame 10. Further, the first and second protective doors 30a and 30b can adopt a structure having the same protective effect. Alternatively, a structure having unequal protection effects can be adopted (for example, a fire prevention door on one side and an anti-theft door on the other side). Thus, a double protective effect can be achieved.

In addition, the latch device of the present invention can be installed on the portal frame 10. As shown in FIG.
In the fifth embodiment of the present invention, a latch device 50a is installed on the gate frame 10. The latch device 50a has a fixed part 51a, which is installed on the gate frame 10 so as to be slidable. Further, the end is the gate frame 1
The protective cover 30 can project from the inner surface of the cover 0 and is inserted into a latch hole 31a provided in the protective cover 30. Also, there is a connecting rod 57a, which is connected to the end of the fixed part 51a, and has a pull part 52 on it.
a is installed. The pull part 52a extends and protrudes outside the portal frame 10. This serves to pull the connecting rod 57a to the user, thereby controlling the expansion and contraction operation of the fixed component 51a.

[0030]

The multiple door according to the present invention surely enhances the convenience of use of the multiple protective door, and has effects such as a simple structure and an improved protective effect. It is.

[Brief description of the drawings]

FIG. 1 is a three-dimensional view of a first embodiment of the present invention.

FIG. 2 is a three-dimensional view of the first embodiment of the present invention, in which an outer protective door is closed alone.

FIG. 3 is a lateral sectional view of the first embodiment of the present invention.

FIG. 4 is an operation intent showing a separated state of an insertion part and a retaining groove of a joining part in the first embodiment of the present invention.

FIG. 5 is a view showing an operation of the first embodiment of the present invention in a state where an outer protective device is applied with a latch device.

FIG. 6 is a view showing an operation of the first embodiment of the present invention in a state in which the latch device for applying the outer protective door is opened.

FIG. 7 is a plan view of a latch device according to a second embodiment of the present invention.

FIG. 8 is a lateral sectional view of a third embodiment of the present invention.

FIG. 9 is a three-dimensional view of a fourth embodiment of the present invention.

FIG. 10 is a sectional view of a fifth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Gate frame 11 Bolt hole 20 Door 21 Hinge 22 Door lock 30 Protective door 30a First protective door 30b Second protective door 31 Opening 31a Bolt hole 32 Lock hole 40 Joining part 41 Insertion part 42 Locking groove 40a joining part 41a insertion part 42a fastening groove 43a large end 44a fastening part 50, 50a bolting device 51, 51a fixed part 52 drive mechanism 52a guide part 53 rotating shaft 54 connecting rod 55 guide part 56 second joining part 57 , 57a Connecting rod 58 Extension rod 60 Rolling component 61 Rotating shaft 62 Handle 63 First joint

Claims (14)

[Claims] 1. A gate frame and a door, a pivot is attached to the gate frame, and at least a protective door is installed so as to be movable to one side of the door. A locking device is attached to the protective door or the gate frame, and the protective door can be fixed to the gate frame by locking together with the gate frame. It is provided on the joint surface between the door and the door, and when the door and the protective door overlap, they can be joined together, and the protective door and the door can be connected to each other. A multiplex door characterized in that it is configured to be capable of being detached from the nest. 2. An insertion part and a stop groove, wherein the insertion part can be inserted into the stop groove, and the insertion part and the stop groove are each provided with the door. And on the opposing surfaces of the protective door, and are installed opposite to each other, so that when the door and the protective door overlap, the insertion component is inserted into the retaining groove. 2. The multiple door according to claim 1, wherein the multiple doors are configured so as to be able to operate. 3. An end portion of the opening of the engaging groove is set slightly larger, so that the insertion component can be easily inserted into the engaging groove. The multiple door according to claim 2, wherein 4. The end of said insert has a relatively large large end and is resilient so that it can change width, against which said stop A stop portion having a width smaller than the width of the large end portion is provided at the opening of the groove, so that after inserting the insertion component into the stop groove, the large end portion is connected to the stop portion. 3. The multiple door according to claim 2, wherein the multiple doors are formed so as to be able to stop each other. 5. The bolting device has some fixed parts, which are installed on the protective door, and whose end can protrude from the side of the protective door. Is formed so that it can be inserted into a latch hole installed inside the gate frame, and further has at least a drive mechanism, and drives the fixed component to insert into the latch hole, or 2. The multiple door according to claim 1, wherein the multiple doors are formed so as to be able to be detached from the slight bolt holes. 6. The multiple door according to claim 5, wherein the fixed component is provided with an insertion pin that can move linearly. 7. There is a rocker arm, a rotation axis is provided at the center, a connecting rod is provided at the end,
The end of the connecting rod is connected to the end of the fixed component,
When the rocker arm rolls, the connecting rod transmits the fixed component to cause a linear movement, whereby the fixed component can enter the latch hole or detach from the latch hole. 6. The multiple door according to claim 5, wherein the multiple doors are configured to perform the following operations. 8. A rolling component is installed on the door, and when the door and the protection door overlap, the door can be coupled to the driving mechanism, and the fixed component can be driven. 6. The multiple door according to claim 5, wherein the multiple door is formed so as to be able to operate. 9. The rolling component has a rotating shaft and is mounted on the door, and the door and the protective door stop at one end near the protective door. At this time, a first joint that can be connected to the latch device is installed, and a handle is installed at the other end, which is used when the user rotates the rotation shaft, and There are two joints, which are attached to the drive mechanism and can be interconnected with the first joint, so that the drive mechanism can be driven by the rolling components 9. The multiple door according to claim 8, wherein the multiple door is configured. 10. The bolting device has some fixed parts, is installed on the gate frame, and inserts the fixed parts into the protective door at a position facing the fixed parts. 2. The multiple door according to claim 1, wherein a latch hole is provided. 11. The multiplexing device according to claim 10, wherein the latch device has a driving mechanism, and is configured to be able to be used for driving the fixed component to a user. Petals. 12. A connecting rod, which can serve to connect the plurality of fixed parts thereon, further comprising a rolling component, which is mounted on the connecting rod and has a distal end. 12. The multiple door according to claim 11, wherein the door is formed so as to extend outside the portal frame. 13. It has a connecting rod, which serves to fix said large number of fixing parts thereon and can be connected with said driving mechanism, so that said fixing parts are simultaneously driven by said driving mechanism. 7. The multiple door according to claim 6, wherein the multiple doors are formed so as to be able to receive the same. 14. The multiple door according to claim 1, wherein a second protective door is provided on another side of the door opposite to the protective door.