JPH08270297A - Opening preventive tool for door - Google Patents

Abstract

PURPOSE: To prevent the opening of a door installed to furniture while easily opening and closing the door at the time of vibrations by arranging a retaining tool to furniture and the door, operating the movable piece of the retaining tool and releasing the state of the engagement of the retaining tool by a lever. CONSTITUTION: A surface in the direction that a door D1 is closed at the front end of a lock bolt 7 is formed in an inclined plane 71, and the front end of the lock bolt 7 is engaged with the retaining piece 81 of a retaining tool 8 on the furniture body F side when the door D1 is closed completely. The door D1 is locked at that time, and another end 92 of a lever 9 fitted so as to be faced to the inside Ha of a dug-in type handle H is operated in the direction of the arrow A when the door D1 is opened. The lock bolt 7 sinks into the main body of a retaining tool 6, so that engagement with the retaining piece 81 is released. When the door D1 is closed, the inclined plane 71 of the lock bolt 7 slides along the retaining piece 81 against the energizing force of a spring S, and the lock bolt 7 sinks into the main body of the retaining tool 6. The front end of the lock bolt 7 is interlinked with the retaining piece 81, thus eliminating the need for the operation of the lever 9, then smoothly closing the door D1 only by pushing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to doors of cupboards, chests of drawers, and other furniture (including doors of buildings in this specification, sometimes referred to simply as "doors"), which are subject to large vibrations caused by an earthquake or the like. The present invention relates to a door opening preventive device which is prevented from being opened by a door.

[0002]

2. Description of the Related Art Clothes chests, cupboards, and other furniture have one door attached to the opening or two.
The doors are arranged facing each other, and hinges are attached to the doors so that they can be opened and closed. Then, in order to open and close this door easily and reliably, a handle is provided on the door, and a locking device such as a magnet type or a spring type is attached to one door and the furniture body, or to the door and the door, respectively. Only when an external force is applied to the door with a force greater than the locking force of the magnet or spring of the locking tool, the locking tool is disengaged and the door is opened, and the door is prevented from opening unintentionally.

[0003]

As described above, the action of the magnet-type, spring-type, and other-type locks causes
When furniture is stationary, the door does not open and close indiscriminately. However, when the furniture shakes or falls over, such as when an earthquake occurs or when furniture is transported, the conventional locking device has a force greater than the locking force of the locking device due to the shaking of the door. There is a possibility that the lock may be disengaged to open the door and the door may be damaged or the stored article may pop out and damage the article. In order to deal with such a large sway, it is possible to use a key attached to the door to prevent the door from opening unintentionally, but in normal use,
Locking and unlocking each time it is opened and closed requires more trouble than necessary and becomes troublesome.

The present invention prevents a door attached to furniture such as a cupboard or a closet from opening due to a large vibration caused by an earthquake or the like, and provides a door opening preventive tool which does not require trouble to open and close the door. The purpose is to

[0005]

In order to achieve the above object, a door opening prevention tool of the present invention is provided on one of the locking tools provided on the door and on the door or the furniture body facing the door, The other locking tool that engages with the one locking tool, the spring that biases the movable piece of the locking tool in the engaging direction of the two locking tools, and the door provided with the one locking tool. The gist of the present invention is that it comprises a lever for releasing the engagement state of the locking tool provided so as to face the handle part.

In this case, the lever is configured to operate the movable piece of the locking tool, or the lever has a function of restricting the movement of the movable piece of the locking tool and maintaining the engaged state of the locking tool. Can be configured to have.

When the handle provided on the door is an digging type handle, the lever may be provided so as to face the cavity inside the handle from the back side of the door.

[0008]

The locking device is automatically engaged just by closing the door as in the conventional case, and the engaged condition of both locking devices is maintained unless the lever is operated. This can prevent the door from opening unintentionally. Also,
When opening the door, the lever provided to face the handle can be operated simultaneously with the fingers holding the handle,
The opening / closing operation of the door can be easily performed like the opening / closing of the conventional door.

[0009]

[Embodiment] The door opening preventing tool of the present invention will be described below.
A description will be given based on examples. In each of these embodiments, F
Is a furniture body such as a closet, a cupboard, and a locker, and the furniture body F is provided with an opening 1 as in the first or third embodiment.
The door D1 and the two doors D1 and D2 are arranged in a double door type like the second or fourth embodiment, and the door D1 and the door D1 are opened and closed by a hinge. The door opening preventive tool of the present invention is provided on the furniture body F facing each other, or on the door D1 and the other door D2.

FIG. 1 shows a first embodiment of a door opening preventive tool of the present invention. This door opening preventing tool has a locking tool 6 provided inside the door D1 and a locking tool 8 provided on the inner side surface of the furniture body F. The locking tool 8 is formed in an L shape, is fixed to the inner surface of the furniture main body F with a screw 82, and the locking piece 81 at the tip is attached so as to slightly project to the opening side of the furniture. Door D1
The locking member 6 provided on the back side of the door is similarly screwed on the door D1.
The movable piece 7 (hereinafter referred to as "lock bolt 7") is fitted into the main body of a cylindrical shape so as to be constantly projected by the urging force of the spring S. Locking tool 6
A lever 9 for operating the lock bolt 7 is swingably attached to the main body of the lock bolt 7 via a pin 93, and the tip 91 of the lever 9 is locked in a locking groove 72 formed in the lock bolt 7 and The other end 92 of each of the protrusions is projected so as to face the inside Ha of the digging-type handle H.

The tip of the lock bolt 7 has a sloped surface 71 in the direction in which the door is closed, and the tip of the lock bolt 7 protruding when the door D1 is completely closed is locked on the furniture body F side. The engaging piece 81 of the tool 8 is engaged.

Therefore, when the door D1 is completely closed, the locking piece 81 of the locking tool 8 and the lock bolt 7 are engaged with each other, so that the door is locked and cannot be opened accidentally.
Then, when the door D1 is opened, the other end 92 of the lever 9 provided so as to face the inside Ha of the digging-type handle H is simultaneously operated by the finger holding the handle H in the direction of arrow A in FIG. As a result, the lever 9 swings, the lock bolt 7 is retracted into the main body of the locking tool 6, the engagement with the locking piece 81 of the locking tool 8 is released, and the door D1 can be opened. In this case, the other end 92 of the lever 9 provided so as to face the inside Ha of the digging handle H is arranged at a position where it can be naturally operated by the tip of a finger holding the handle. The door D1
When closing, the inclined surface 71 of the lock bolt 7 slides along the locking piece 81 against the biasing force of the spring S,
The lock bolt 7 is immersed in the main body of the locking tool 6, and the tip of the lock bolt 7 protruding when the door D1 is completely closed is
Since it engages with the locking piece 81 of the locking tool 8 on the furniture body F side,
The door D1 can be smoothly closed only by pushing the lever 9 without operating it.

FIG. 2 shows a modification of the first embodiment, in which the tip 91 of the lever 9 provided on the lock bolt 7 is inserted into a hole 73 provided at an upper portion of the locking groove 72 and is formed on the lock bolt 7. The spring S is fitted in the hole 74,
Other configurations and operations are the same as those of the door opening preventing tool of the first embodiment.

FIG. 3 shows a second embodiment of the door opening preventive tool of the present invention. This door opening preventive device includes two doors D1 and D
The present invention is applied to the case in which 2 is arranged in a double door type and can be opened and closed via a hinge, and has a locking tool 6 provided inside the door D1 and a locking tool 8 provided inside the door D2. The locking tool 8 is formed in a substantially linear shape along the inner side of the door D2 and has a locking piece 81 formed at the tip. Other configurations and operations are to prevent the door from opening according to the first embodiment. It is similar to the ingredient.

4 to 5 show an example of the locking tool 6 and the lever 9 of the door opening preventing tool used in the first to second embodiments. This locking tool 6 has the locking tool body 60 with the locking tool 6 attached to the door D.
A locking tool mounting piece 61 for mounting on the back side of 1 and a lever mounting piece 62 for swingably mounting the lever 9 via a pin 93 are integrally formed. Locking tool attachment piece 6
1, a screw hole 63 is formed, and the lever mounting piece 62 is
The pin hole 64 into which the pin 93 of the lever 9 is fitted is formed, and the introduction portion to the pin hole 64 is formed on the inclined surface 65. A hollow portion 66 into which the lock bolt 7 is inserted is formed inside the locking body 60, and the tip 9 of the lever 9 is formed at the top.
An escape hole 67 for inserting 1 is formed. Also, lever 9
Forms the pin 93 integrally, and
Forms an inclined surface 94 on the introduction side into the pin hole 64.

Then, the inclined surface 94 of the pin 93 of the lever 9
By pressing the lever 9 while aligning the lever 9 with the inclined surface 65 of the locking tool 6, the lever attachment piece 62 of the elastic locking tool 6 is bent, so that the pin 93 of the lever 9 is locked.
The lever 9 is fitted in the pin hole 64 of the lock lever 6 and is swingably incorporated in the locking tool 6. As a result, the door opening preventive tool can be easily assembled, and the door opening preventive tool can be manufactured at low cost.

6 to 10 show a third embodiment of the door opening preventing tool of the present invention. This door opening preventing tool has a locking tool 1 attached to the door D1 side and a locking tool 2 attached to the furniture body F side. The locking tool 2 is fixed with a screw, and a movable piece 25 urged by a spring 2S is swingably attached to the locking tool 2.

As shown in detail in FIG. 8, the locking tool 1 includes a plate-shaped mounting piece 10 having a triangular shape, a quadrangular shape, or another shape fixed to the back side of the handle of the door with screws or the like. A lock piece 11 is provided so as to protrude from one end of the front side, and a thick and rounded lock head 12 is integrally formed at the tip of the lock piece 11, and a lever support piece 13 is integrally formed at the center of the back side. Then, the kick spring 18 is supported by the pin 17 penetratingly supported between the opposite side pieces of the lever support piece 13, and one end of the kick spring 18 is engaged with the lever support piece 13 and the other end is engaged with the lever 16. Then, the biasing force of the kick spring 18 acts on the lever 16.

The lever 16 penetrates through the lever insertion holes 14 formed in the mounting piece 10 and the lever supporting piece 13, respectively, and the other end of the kick spring 18 is locked or penetrated to a part of the lever 16, and the kick spring is formed. The other end of 18 is movable only between the back surface of the mounting piece 10 and the inner surface of the lever support piece 13,
As a result, the operating piece 16a of the lever 16 bent into an L-shape
When is operated by the fingers inserted into the inside Ha of the handle H, the tip of the lever 16 projecting on the surface of the mounting piece 10 is sunk from the surface of the mounting piece 10 against the biasing force of the kick spring 18. Then, the amount of protrusion of the tip of the lever 16 onto the surface of the mounting piece 10 is determined. A plurality of mounting holes 15 are formed in the mounting piece 10.

As shown in detail in FIG. 9, the locking tool 2 has a required shape, and a pair of brackets 21 opposed to a part of a flat plate-shaped mounting piece 20 having a plurality of mounting holes 24 formed therein. , 21
And project the pin insertion hole 2 into the brackets 21 and 21.
2 and 22 are drilled respectively, part of the mounting piece 20,
For example, a part of the mounting piece between the brackets 21 and 21 is cut and raised to form the spring locking piece 23.

The mounting piece 10 of the locking tool 1 and the mounting piece 20 of the locking tool 2 are directly mounted on the inner surface of the door D1 or the furniture body F, or the mounting pieces 10, 2 are flush with each other.
Install by embedding only the plate thickness of 0.

A movable piece 25 that is swingably provided on the locking tool 2.
10, the side pieces 26, 26 are integrally formed so as to face each other on both sides of the body piece as shown in FIG. A lock head 29 having a curved surface of a semi-circular shape or other shape that allows smooth sliding of the lock piece 11 with the lock head 12 is formed at the tip, and a pin is inserted into the side pieces 26, 26 on the side opposite to the lock head. The holes 28, 28 are formed.

The outer surface of the connecting portion between the main body piece and the lock head 29 has a lever 16 as shown in FIGS. 6 and 10 (1).
The shape is such that it can be securely locked with the tip of, for example, an angular shape.

Each member of the locking tool 2 constructed as described above is
It is assembled as shown in FIG. First, one end of the movable piece 25 is inserted between the brackets 21 and 21 facing each other of the locking tool 2. Since the width between the brackets 21 and 21 is set to be slightly larger than the outer width of the movable piece 25, it can be easily inserted. Then, the pin insertion hole 22 of the bracket 21 and the pin insertion hole 28 of the side piece 26 of the movable piece 25.
So that both ends of the pin 2P are prevented from coming off by caulking or the like by penetrating the pin 2P into both the pin insertion holes 22 and 28. The kick spring 2S is supported on the pin 2P, the ends of the kick spring 2S are locked to the spring locking piece 23 and the spring locking piece 27, respectively, and the biasing force of the spring 2S causes the movable piece 25 to move. Lock head 29 to lock head 1 of locking device 1
Assemble by pressing it to the 2 side.

In a state in which the movable piece 25 is assembled to the locking tool 2 so as to be swingable under the urging force of the kick spring 2S, the locking tool 2 is fixed to the inner surface of the furniture main body F with screws or the like. On the other hand, when the locking piece 11 of the locking tool 1 closes the door D1, the locking tool 1 has the mounting piece 20 and the movable piece 25 of the locking tool 2.
Inserted between, the lock head 12 of the lock piece 11 and the movable piece 2
5 is screwed to the inner surface of the door D1 at a position where the lock head 29 of No. 5 engages with each other. In this case, the operation piece 1 of the lever 16
6a is attached so that the inner surface of the handle H and the lever 16 are spaced so that the lever 16 is submerged.

Then, as shown in FIG. 7 (1), the door D1
When closing the door, the locking tool 1 protrudingly provided inside the door D1
The lock piece 11 is a mounting piece 2 of the locking tool 2 on the furniture body F side.
It is inserted between 0 and the movable piece 25. At this time, the lock piece 11
The lock head 12 comes into sliding contact with the outer peripheral surface of the lock head 29 of the movable piece 25, and pushes the movable piece 25 against the biasing force of the kick spring 2S. Note that this push-out amount is 1
Position where the maximum diameter of 2,29 is the total (see Fig. 7 (1))
Up to. When the door D1 is further closed from this position, the movable piece 25 is pressed toward the locking tool 1 by the urging force of the kick spring 2S, and the state shown in FIG. At this time, the lever 16
The protruding tip of the locks the back surface of the lock head portion 29 of the movable piece 25 that is pressed. This allows the lever 16 to move to the position shown in FIG.
Unless the tip of the lever 16 is retracted by pulling it in the direction of arrow B in (2), the movable piece 25 does not swing in the direction away from the locking tool 2. As a result, the door D1 is automatically locked only by closing it, and even if a force acts in the direction to open the door D1, the door D1 is prevented from opening unintentionally.

When the door D1 is opened, the operating piece 16a of the lever 16 provided so as to face the inside Ha of the handle H.
The lever 16 is slid by pulling simultaneously with the fingers holding the handle H so that the tip of the lever 16 is submerged from the surface of the base 10 of the locking tool 1.
By releasing the regulation of the movable piece 25 of the locking tool 2 by the tip of the movable piece 25, the movable piece 25 becomes swingable. When the door D1 is pulled in this state, the door D1 can be opened. In this case, the operation piece 16a of the lever 16 provided so as to face the inside Ha of the handle H is arranged at a position where it is naturally operated by the tip of a finger holding the handle.

11 to 12 show a fourth embodiment of the door opening preventing tool of the present invention. This door opening preventive tool is applied when two doors D1 and D2 are arranged in a double door type and can be opened and closed via a hinge. The locking tool 1 is provided inside the door D1. The locking tool 3 provided inside the door D2.

As shown in detail in FIG. 12, the locking member 3 has a square ring-shaped movable piece 34 on one side surface of a flat plate-shaped base 30 having a required shape and having a plurality of mounting holes 32 formed therein. A rectangular tube-shaped main body tube 31 for slidably fitting and supporting is integrally provided. When the fastener 3 is attached to the inner surface of one door D2 of the furniture main body F by screws, it is directly abutted on the inner surface of the door as shown in FIG. Therefore, only the thickness of the base 30 is embedded so as to be attached.

The movable piece 34 has an outer shape that can be inserted into the main body cylinder 31, that is, a flat rectangular ring shape, and the rear side piece 38 on the base end side in the longitudinal direction and the opposite side pieces 36, 3 facing each other.
Reference numeral 6 denotes a thin-walled piece, and a tip piece 37 facing the back side piece 38.
As shown in FIG. 12 (2), the outer side surface 39 is a flat surface, and the inner side surface is capable of sliding contact with the surface of the lock piece 12 to be described later. Therefore, a semi-circular or other rounded shape 35 or a tapered surface is formed. In this total length, the tip piece 37 projects outward from the body tube 31 even when it is completely inserted into the body tube 31, and the lock piece 12 is inserted between the inner side surface 35 and the open end surface of the body tube 31. It shall be decided so that it can be done.

Further, the movable piece 34 in the shape of this square ring is used.
Is a movable piece 34 when it is fitted into the body tube 31 of the locking tool 3.
A spring receiving plate 41 is inserted into the hole of and is locked to the main body cylinder 31. Therefore, the body cylinder 31 is provided with a locking hole 42 for fitting and locking the movable pieces 41a and 41b of the spring receiving plate 41 and for inserting the spring 40. Then, after inserting the spring receiving plate 41 into the movable piece 34 inserted into the main body cylinder 31 and locking the spring receiving plate 41 to the main body cylinder 31 as shown in FIGS. Insert the spring 40 in a compressed state,
One end of 0 is brought into contact with the spring receiving plate 41 and the other end is brought into contact with the back side piece 38 of the movable piece 34 so that the movable piece 34 is always protruded from the main body cylinder 31 by the urging force of the spring 40. .

Since the lock 1 has the same structure as that of the third embodiment, its detailed description will be omitted.

The lock 3 constructed as described above is assembled as shown in FIG. First, the body tube 3 of the locking device 3
A base end portion of a movable piece 34 having a square ring shape is inserted into the inside 1. Since the outer dimension of the base end portion of the movable piece 34 is set to be slightly smaller than the inner width of the inner hole 33 of the main body cylinder 31, it can be easily inserted. Then, a spring receiving plate 41 and a spring 40 are incorporated in the locking tool 3,
This is fixed to the back side of the door D2 with screws.

In the locking tool 1, the locking piece 11 is inserted into the movable piece 34 with the doors D1 and D2 closed, and the movable piece 3 is inserted.
The inner surface 35 of 4 is fixed to the inner surface of the door D1 at a position where it can be locked with each other with screws or the like. In this case, the operation piece 16a of the lever 16 is attached to the inner surface of the handle H so as to have a distance of the length in which the lever 16 sinks.

Then, as shown in FIG. 11, one door D
When the other door D1 is closed subsequent to 2, the lock piece 11 of the locking tool 1 projecting inside the door D1 is inserted into the movable piece 34 of the locking tool 3. At this time, the lock head 12 of the lock piece 11 is brought into sliding contact with the peripheral surface of the inner side surface 35 of the tip piece 37 of the movable piece 34 to shift from the state of FIG. 11A to the state of FIG. It is inserted into the ring-shaped movable piece 34. When the lock head 12 of the lock piece 11 is inserted, the movable piece 34 pushes and contracts the spring 40 against the elastic force of the spring 40 and projects from the main body cylinder 31. The amount of protrusion of the movable piece 34 is up to a position where the maximum diameter of the lock head 12 and the tip piece 37 is summed (see FIG. 11 (2)). When the door D1 is further closed from this position, the movable piece 34 can be pushed again into the main body cylinder 31 by the spring 40, and the state of FIG. 11C is obtained. At this time, the protruding tip of the lever 16 comes into contact with the outer surface 39 of the tip piece 37 of the movable piece 34, that is, the back surface, the movable piece 34 is locked at the tip of the lever 16, and the locking tools 1 and 3 are locked. Locked. Accordingly, unless the lever 16 is pulled in the direction of arrow C in FIG. 11 (3) so that the tip of the lever 16 is retracted from the base 10 of the locking tool 1, the movable piece 34 will not move.
It is not moved in the direction further away. This allows door D1
The door D1 is automatically locked only by closing the door, and even if a force acts in the direction to open the door D1, the door D1 is prevented from opening unintentionally.

When the door D1 is opened, the operating piece 16a of the lever 16 provided so as to face the inside Ha of the handle H.
The lever 16 is slid by pulling simultaneously with the fingers holding the handle H so that the tip of the lever 16 is submerged from the surface of the base 10 of the locking tool 1.
By releasing the restriction of the movable piece 34 of the locking tool 3 by the tip of the movable piece 34, the movable piece 34 becomes slidable. When the door D1 is pulled in this state, the door D1 can be opened. In this case, the operation piece 16a of the lever 16 provided so as to face the inside Ha of the handle H is arranged at a position where it is naturally operated by the tip of a finger holding the handle.

The door opening preventive tool of the present invention can be made of metal or plastic, and can be molded by any molding method such as die casting or pressing.

[0038]

According to the door opening preventive tool of the present invention, the locking tool is automatically engaged only by closing the door, and the engaged state of the locking tool is maintained unless the lever is operated. Therefore, it is possible to surely prevent the door from opening inadvertently due to a large vibration due to an earthquake or the like. Also, when opening the door, the lever provided so as to face the handle can be operated simultaneously with the fingers holding the handle, and opening and closing the door should be as simple as opening and closing conventional doors. You can

[Brief description of drawings]

FIG. 1 is a sectional view showing a first embodiment of a door opening preventing tool of the present invention.

FIG. 2 is a cross-sectional view showing a modified example of the first embodiment of the door opening preventing tool of the present invention.

FIG. 3 is a cross-sectional view showing a second embodiment of the door opening preventing tool of the present invention.

FIG. 4 is a view showing an example of a locking tool of a door opening preventing tool of the present invention, (1) is a plan view, (2) is a front view, (3) is a bottom view, and (4) is a side view. .

5A and 5B show an example of a lever of a door opening prevention tool of the present invention, in which (1) is a side view and (2) is a front view.

FIG. 6 is a cross-sectional view showing a third embodiment of the door opening preventing tool of the present invention.

FIG. 7 is an explanatory diagram of the same operation, in which (1) shows a state when the door is closed and (2) shows a closed state.

FIG. 8 shows an example of a locking tool of the door opening preventing tool of the present invention, (1) is a front view, (2) is a plan view, (3) is a side view, and (4) is a bottom view. .

9A and 9B show an example of a locking tool of a door opening preventing tool according to the present invention, in which (1) is a plan view and (2) is a front view.

FIG. 10 shows an example of a movable piece of a locking tool of a door opening preventing tool of the present invention, (1) is a front vertical sectional view, (2) a plan view,
(3) is a side view.

FIG. 11 is a cross-sectional view showing a fourth embodiment of the door opening preventing tool of the present invention, (1) showing a state in which the door is opened, and (2) showing a state immediately before engagement of the locking tool. , (3) show the state in which the door is closed.

FIG. 12 shows an example of a locking tool of a door opening preventing tool of the present invention, (1) is a front view, (2) is a front longitudinal sectional view, (3) is a bottom view, and (4) is a side view. , (5) are sectional views of the spring receiving plate portion.

[Explanation of symbols]

 1 Locking Tool 16 Lever 2 Locking Tool 25 Movable Piece 3 Locking Tool 34 Movable Piece 6 Locking Tool 7 Movable Piece (Lock Bolt) 8 Locking Tool 9 Lever D1 Door D2 Door F Furniture Main Body H Handle

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display area E05C 7/02 E05C 7/02 D

Claims (4)

[Claims] 1. One locking tool provided on a door, another locking tool provided on a door or a furniture body facing the door and engaging with the one locking tool, and the locking tool. A spring for urging the movable piece in the engaging direction of the two locking tools, and a lever for releasing the engaged state of the locking tool provided so as to face the handle portion of the door provided with the one locking tool. Door opening prevention device characterized by consisting of. 2. The door opening preventing tool according to claim 1, wherein the lever operates a movable piece of the locking tool. 3. The door opening according to claim 1, wherein the lever has a function of restricting the movement of the movable piece of the locking tool and maintaining the engaged state of the locking tool. Preventive device. 4. The door opener according to claim 1, 2 or 3, wherein the lever is provided so as to face the inside of the digging handle of the door.