JP3502723B2 - Stepping plate elevating mechanism for horizontal sliding safe vault door - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safe door (hereinafter referred to as a door) having a structure of laterally sliding and opening and closing,
The present invention relates to a mechanism for automatically elevating and lowering a tread plate at the entrance and exit of a storage chamber by interlocking with the sliding operation of the door.

[0002]

2. Description of the Related Art In a horizontal slide type safe door, the lower end surface of the door is anti-theft or waterproof, or has a horizontal slide structure, so that it is closer to the vault or the floor in front of it. It is placed inside the lower groove. That is, the lower end surface of the door is often installed in a state in which it is loosely fitted in a groove section having a concave cross section formed on the floor for traveling the door.

As described above, if there is a recessed groove in which the door is loosely fitted on the inside and outside floors of the safe room, the recessed groove will cause some obstacles when entering and exiting the storage room. A tread plate that serves as a lid is installed in the groove. However, since the tread plate is provided to connect the floor surfaces inside and outside the storage compartment to the same surface when the door is open, it hinders the running of the door when the door is closed, and therefore, it interferes when the door is closed. You have to evacuate to a position where it doesn't.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the function of the treads in the above-mentioned horizontal slide type safe door, and an object thereof is to provide a tread mechanism which is interlocked with the sliding operation of the doors. is there.

[0005]

The construction of the step board function of the present invention made for the purpose of solving the above-mentioned problems is the bottom of the groove formed in the entrance of the safe room where the lower end of the horizontal slide door is guided by insertion. At the end of the slide door on the open side
Of the drive plate with the pin fitting groove
A cam portion in which a pin that is positioned and fits into the pin fitting groove is provided upright
A material is provided, and the pin is connected to an operating plate that is slidably supported in the groove in the groove.
By opening the door to the end or
When the door starts to close from the open end, the door opens and closes.
The pin of the cam member is linked to the sliding action of the door.
Drive plate in the same direction as the
While it is driven to the down displacement sliding operation, above the work <br/> moving plate, the wedge member and wedge member by interposing the roller member for guiding the step board for raising and lowering the Stepping plate is provided, The above
The tread plate is vertically moved up and down by the sliding motion of the operating plate.
It is characterized in that so.

According to the present invention, in the above structure, a guide post and a sleeve member fitted to the post may be provided between the tread plate and the operating plate to regulate and guide the elevating and lowering of the tread plate at a fixed position.

As for the wedge member and the roller member which are interposed between the tread plate and the operating plate, the wedge member is provided on the back surface of the tread plate and the roller member is provided on the surface of the operating plate corresponding to the wedge member.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a tread device according to the present invention will be described with reference to the drawings. FIG. 1 is a side sectional view of a main part of a horizontal slide safe box door equipped with the step board device of the present invention, FIG. 2 is a front view of the main part of the step board lifting mechanism of the present invention, and FIG. 3 is a plan view of the device of FIG. 4 is a perspective view showing the outline of the tread device of the present invention.

In FIG. 1, reference numeral 1 is an entrance / exit of a safe room, and 2 is a safe door (hereinafter referred to as a door) provided at the entrance so as to be opened / closed by a horizontal slide operation, here, a front frame of the entrance / exit 1. On the rail 4 suspended on the back of the member 3,
It is suspended via a linear slider 5. In addition,
Although the drive mechanism for the sliding movement of the door is not shown, the present invention can be applied regardless of the difference in the drive mechanism, such as a manual push type, a chain transmission type of a handle rotating movement, a type using an external drive source such as a motor. It is possible.

Here, 4a is a rail support bracket provided between the rail 4 and the front frame member 3, and 6 is a suspension block for suspending the door 2 on the linear slider 5, and the door of FIG. Reference numeral 2 slides in the direction orthogonal to the paper surface of FIG. 1 by the action of the rail 4 and the linear sludge 5 to open / close the entrance / exit 1.

In FIG. 1, reference numeral 7 denotes a groove portion having a concave cross section in which the lower portion of the door 2 is loosely fitted. The groove portion 7 is a floor surface 8 on the front side of the doorway 1 and a floor surface 9 on the inside of the safe room. Is formed between. Since the groove portion 7 appears as a groove-shaped step portion between the floor surfaces 8 and 9 inside and outside the safe in the opened state, the tread plate lifting mechanism of the present invention has the step plate 10 when the door is opened. In the groove portion 7, the floor surfaces 8 and 9 rise so as to form a continuous surface, and when the door is closed, the floor surfaces 8 and 9 are formed to descend to the bottom side of the groove portion 7 so as not to interfere with the bottom surface of the door 2. Hereinafter, the structure of the footboard lifting mechanism will be described with reference to FIGS.

2 to 4, 11 is a substrate provided on the bottom of the groove 7 over the entire length thereof, and 12 is a slide guide roller provided on the upper surface of the substrate 11 at a portion corresponding to the width of the entrance 1. , Three are provided at substantially equal intervals here. Reference numeral 13 denotes a plurality of, here, four guide pins provided upright on the upper surface of the substrate 11 at a portion corresponding to the lower surface of the door 2, and 14 denotes an outer surface of the slide guide rollers 12 on both outer sides on the upper surface of the substrate 11. Two guide posts standing aside,
Reference numeral 15 denotes a disc-shaped actuating cam disposed on the upper surface of the substrate 11 at the end on the door closing side (the left end side in FIG. 2). And a cam pin 15c acting as a cam is erected on the upper surface of the disk 15a, and the members from the guide roller 12 to the actuating cam 15 are the structures on the substrate 11 in this embodiment. Is.

Reference numeral 16 denotes an operating plate mounted on the substrate 11 so as to be slidable in the lengthwise direction of the groove portion 7 via a slide guide roller 12 and a guide pin 13, and at its tip (left side in FIG. 2). A laterally long hole 16a (a lengthwise direction of the groove portion 7 or a direction orthogonal to the sliding direction of the door 2) is provided and connected to the cam pin 15c. Each guide pin 13 has a vertically elongated slot 16b provided in the operating plate 16 for guiding it.
Is loosely fitted to. 16c is an elongated hole provided to avoid interference with the guide post 14.

On the upper surface of the operating plate 16, a supporting roller 17 as a roller member that guides the lifting and lowering of the tread plate 10 and supports the load applied to the tread plate 10 is provided in the width direction of the operating plate 16 in the illustrated example. In this case, three sets, each of which is a set of two, are provided at equal intervals. The three sets of support rollers 17 are arranged so as to support the tread 10 evenly in the front width of the entrance / exit 1. On the back surface (lower surface) of the tread 10, the three support rollers 17 are provided. A wedge member 18 having a substantially inverted trapezoidal shape is provided at a position corresponding to the roller 17. In addition, on the back surface of the tread plate 10, two sleeve members 19 that are tightly loosely fitted to the two guide posts 14 provided upright on the substrate 11 are provided downward. In addition, the left end of the tread 10 (Fig. 2,
FIG. 3) is provided with an end cover material 10a having a downward slope toward the left side. This is for avoiding interference between the right end 2a of the door 2 and the left end of the tread 10 in the vicinity of the opening end and the closing end of the door 2.

On the other hand, at the lower end of the door 2 in the opening direction, near the end of the closing door, the cam pin 15c of the above-mentioned actuating cam 15 is abutted and fitted to rotate the pin 15c together with the disc 15a in conjunction with the closing operation. There is provided a cam drive plate 20 for driving. The drive plate 20 is provided with a pin fitting groove 20a for rotating the cam pin 15c integrally with the disc 15a in association with the operation at the door opening operation end portion (and the door closing operation start end portion). There is.
The solid line in FIG. 2 shows a state in which the door 2 is opened and the tread 10 is held in the raised position.

An example of the operation of the stepping plate lifting mechanism of the present invention constructed as described above will be described below. Now, when starting to close the door 2 from the open state shown by the solid line in FIG. 2, the front end of the door 2 in the closing direction (right side in FIG. 2) is 2a, the front end in the opening direction (left end in FIG. 2) is 2b, The bottom of the door 2 is 2c.

When attempting to close the door 2 in the open state shown in FIG. 2, the tip 2a and the bottom surface 2c of the door 2 interfere with the tread plate 10 in the raised position as it is. However, in the mechanism of the present invention,
The pin fitting groove 20a of the drive plate 20 at the rear end 2b of the door 2 is
With the start of the door closing operation of the
Rotate back to the right in the figure a little.

By the turning and retreating operation of the cam pin 15c,
Actuating plate 16 connected to the pin 15c at an elongated hole 16a
Is displaced to the right in the figure. When the operating plate 16 is displaced to the right, the wedge members 18 on the lower surface of the tread plate 10 supported by the tops of the supporting rollers 17 on the operating plate 16 are supported from below. Since it is located at 18a, the weight of the tread 10 and its attached members acts on the slope 18a, which promotes the right movement of the roller 17, that is, the right movement of the operating plate 16.

As a result, while the operating plate 16 moves to the right,
Footboard 10 with wedge member 18 that can be escaped by support roller 17
Is guided by the guide post 14 and vertically descends at that position, and the back surface of the tread plate 10 itself is directly contacted and supported by the top of the roller 17 to hold the tread plate 10 in the lowered position. The descent of the tread 10 is performed while the cam pin 15c shown by the solid line in FIGS. 2 and 3 is displaced to the position shown by the chain line at the beginning of closing the door 2, and hence the subsequent door closing operation is performed. The bottom surface 2c does not interfere with the tread 10 and the door is closed.

On the other hand, when the closed door 2 is opened, the front end of the door 2 near the end of the open door is opened.
The pin fitting groove 20a of the cam drive plate 20 at 2b is shown in FIGS.
2 by rotating the cam pin 15c at the position indicated by the chain line in FIG. 2 to the left in FIGS.
2 is drawn from the position indicated by the chain line to the left side of the drawing, each supporting roller 17 on this operating plate 16 is displaced from the position indicated by the chain line in FIG. The roller 17 enters under the wedge member 18 of the tread 10 and
Lift 10 to the position shown by the solid line. That is, it is raised and supported at that position.

[0021]

As described above, the present invention is provided at the bottom end of the slide door at the bottom end of the groove formed at the entrance of the safe room where the lower end of the slide door is loosely guided .
Position the drive plate with the pin engagement groove downward at the open end of the door.
Cam member having a pin standing upright and fitted in the pin fitting groove
And to connect to the pin an operating plate slidably supported in the groove in the groove .
By opening the door to the end or by
When opening the door from the end of opening, open and close the door slide
Sliding this door with the pin of the cam member in conjunction with the operation
And move the operating plate in the same direction as the pin.
Is driven to the displacement while sliding operation, above the operating plate, the step board provided with intervening roller member for guiding the wedge member and wedge member for raising and lowering the Stepping plate, the operation
The tread plate is vertically moved up and down by the sliding motion of the moving plate.
Because it was Unishi, it is very useful as a tread plate mechanism vault entrance provided with the crosscut sliding door.

[Brief description of drawings]

FIG. 1 is a side sectional view of a main part of a sideways slide safe box door equipped with a tread device of the present invention.

FIG. 2 is a front view of a main part of a footstep lifting mechanism according to the present invention.

3 is a plan view of the device of FIG.

FIG. 4 is a perspective view showing an outline of a footstep device of the present invention.

[Explanation of symbols]

1 doorway 2 safe door 3 Front frame member 4 rails 5 Linear slider 6 hanging blocks 7 groove 8 External floor 9 storage room floor 10 tread 11 board 12 Slide guide roller 13 Guide pin 14 Guide post 15 cam plate 16 operating plate 17 Support roller 18 wedge member 19 sleeve 20 Drive plate

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 62-126488 (JP, U) Shoko 47-10241 (JP, Y1) (58) Fields investigated (Int.Cl. ⁷ , DB name) E05G 1/02 E05D 13/00 E05D 15/06

Claims (3)

(57) [Claims] 1. An opening of a drive plate having a pin fitting groove provided at the front end of the slide door on the door opening side at the bottom of a groove formed at the entrance of the safe room where the lower end of the horizontal slide door is guided by insertion.
Position it below the end of the door and fit it into the pin fitting groove
A cam member with the pin standing is provided, and the pin has
The door is terminated by connecting an operating plate which is slidably supported and arranged in the groove in the groove.
When opening with the door or when starting to close the door from the opening end
Interlocking with the opening / closing slide operation of the door, the cam member
Displace the pin in the same direction as the sliding direction of this door.
And slide the operating plate by following the displacement of the pin.
While operating, above the working plate, is interposed roller member for guiding the wedge member and wedge member for raising and lowering the Stepping plate provided treadle and by sliding movement of the actuating plate
A stepping plate elevating mechanism for a sideways sliding safe door, characterized in that the stepping plate is vertically moved up and down. 2. The horizontal slide safe box door according to claim 1, wherein a guide post and a sleeve member fitted to the post are provided between the tread plate and the actuation plate for restricting and guiding the up and down movement of the tread plate in a fixed position. Footboard lifting mechanism. 3. A wedge member and a roller member interposed between the tread plate and the operating plate, wherein the wedge member is provided on the back surface of the tread plate, and the roller member is provided on the surface of the operating plate corresponding to the wedge member. Lateral slide slide Tread plate lifting mechanism for safe doors.