JPH08100557A - Door guard - Google Patents

Abstract

PURPOSE: To provide a door guard of which head can be freely stored. CONSTITUTION: A head 11 is fitted so that the non-storing position projected from the head container 5a of the base 5 or the containing position in which a part thereof is stored, is transferably fitted. The head 11 is provided with a fitting groove 11a for a stopper and th stopper 15 is provided with a protrusion fitting to the stopper to engage with the fitting groove 11a for the stopper and a groove 15b for sliding stopper. When one end 19a of a releasing pin 19 is pushed, the other end 19b comes into contact with the groove 15b for sliding stopper to slide the stopper 15 to the direction εreleasing the engagement of the fitting groove 11a for the stopper and the fitting protrusion of the stopper. In this way, the head 11 is transferred between the storing position and the non-storing position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a door guard,
In particular, it relates to the structure of the head.

[0002]

2. Description of the Related Art Today, door cards are known that lock a door from opening more than a predetermined distance from a vertical frame. As shown in FIGS. 6A and 6B, the door guard 71
Is composed of an arm 73 and a money receiving 75. 6B is a sectional view taken along line HH of FIG. 6A.

The arm 73 has its mounting portion screwed to the door 4. Further, the receiving metal 75 is screwed to the vertical frame 6. To attain the locked state, the arm 73 is rotated in the direction of the arrow α from the state shown in the figure to engage the head 76 of the receiving metal 75. As a result, when the door 4 is opened in the direction of the arrow β and the tip inner side portion 73b (see FIG. 6B) of the arm 73 engages with the head 76, the door 4 is not opened anymore and the door 4 and the vertical frame 6 are not opened. Lock it.

However, in the door guard 71, since the head 76 projects from the receiving metal 75,
There were problems such as clothes getting caught when passing.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a door guard that prevents clothes from being caught when passing.

[0006]

According to a first aspect of the present invention, in the door guard, the base has a head housing portion, the head is provided with a stopper engaging groove, and the head is the head. The head is mounted on the base so as to be movable to a non-storage position protruding from the storage portion or a storage position where all or a part of the head storage portion is stored, and the head is located at the non-storage position. A first urging means for urging the stopper, a stopper slide groove, and a stopper having a stopper engaging projection that engages with the stopper engaging groove of the head, and the stopper, the stopper engaging groove and the stopper engaging groove. The second urging means for urging the protrusion in the engaging direction, when one end is pressed, the other end contacts the stopper slide groove, and the stopper engaging groove and the stopper In a direction to release the engagement between the engaging projections, and further comprising a release pin, sliding the stopper.

In the door guard of claim 2, the release pin is provided at a position where the one end is pressed by the arm when the arm is raised from the unlocked state to the locked state. To do.

[0008]

In the door guard according to claim 1, the head is in a non-contained position protruding from the head accommodating portion, or
The head storage unit is movably attached to the base to a storage position where all or part of the head storage unit is stored.
The second urging means urges the stopper in a direction in which the stopper engaging groove and the stopper engaging protrusion are engaged with each other. That is, when the head is moved to the storage position, the stopper holds the head in the storage position. As a result, the stored state is maintained.

In this way, the head can be housed in the base when unnecessary.

When one end of the release pin is pressed, the other end of the release pin contacts the stopper slide groove to release the engagement between the stopper engagement groove and the stopper engagement projection. Slide the stopper. Here, the first urging means urges the head to be positioned at the non-storage position. As a result, the head is held in the non-storage position.

In this way, the head can be held in the non-storage position from the base, if necessary.

According to another aspect of the door guard of the present invention, the release pin is provided at a position where the one end is pressed by the arm when the arm is raised from the unlocked state to the locked state. Therefore, the one end of the release pin can be pressed only by raising the arm from the unlocked state to the locked state, whereby the engagement between the stopper engaging groove and the stopper engaging protrusion is released.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1A shows a state in which the door guard 1 is attached. The door guard 1 includes an arm 3 and a base 5. The arm 3 has the same structure as the arm used in the conventional door guard. That is, the arm 3 is rotatably held by the mounting portion 3a around the shaft 3b. As shown in FIG. 1B, the mounting portion 3 a is screwed to the door 4.

As shown in FIG. 1B, the base 5 includes a head 11, a spring 13 as a first biasing means, and a stopper 1.
5, a spring 17 as a second biasing means, and a release pin 19.

The base 5 has a head storage portion 5a. The base 5 is screwed to the vertical frame 6. The head 11 is attached to the base 5 so as to be movable in a non-storage position protruding from the head storage portion 5a or a storage position in which a part of the head storage portion 5a is stored. The spring 13 urges the head 11 to be located at the non-storage position.

The head 11 is provided with a stopper engaging groove 11a. The stopper 15 is attached slidably in the arrow ε direction or the opposite direction. The stopper 15 is
In addition to having a stopper engaging projection 15a that engages with the stopper engaging groove 11a (see FIG. 2), it also has a stopper sliding groove 15b. The spring 15 biases the stopper 15 in a direction in which the stopper engaging groove 11a and the stopper engaging protrusion 15a are engaged with each other.

When one end 19a of the release pin 19 is pressed, the other end 19b of the release pin 19 contacts the stopper slide groove 15b, and the stopper engagement groove 11a and the stopper engagement projection 15a.
The stopper 15 is slid in the direction ε for releasing the engagement with.

Next, a method of using the door guard 1 will be described with reference to FIGS. The state shown in FIG. 1A shows a state in which the door 4 and the vertical frame 6 are not locked. As described above, in a state where the door 4 and the vertical frame 6 are not locked, the head 11 of the base 5 is in a state of being moved to a storage position where a part of the head 11 is stored in the head storage portion 5a. Further, this state corresponds to the stopper engaging projection 1 of the stopper 15.
5a and the stopper engaging groove 11a of the head 11 are engaged with each other to be held.

From this state, the arm 3 is rotated in the direction of the arrow α in FIG. 1A. Thereby, as shown in FIG. 2A, the arm 3 is raised from the unlocked state to the locked state. When the arm 3 is raised from the unlocked state to the locked state,
As shown in FIG. 2B, the arm 3 has one end 1 of the release pin 19.
9a. Thereby, the other end 19 of the release pin 19
b contacts the stopper slide groove 15b of the stopper 15. A slope is formed at the tip of the other end 19b of the release pin 19, and the stopper slide groove 15b also has a slope. Therefore, when the release pin 19 is further pressed in the direction opposite to the direction of the arrow δ, the stopper 15 is released. , And slides in the direction of the arrow ε against the elastic force of the spring 17. Stopper 15
Slides in the direction of arrow ε, the stopper engaging groove 11a
The engagement between the stopper engaging projection 15a and the stopper engaging projection 15a is released. Since the head 11 is biased by the spring 13 in the direction of the arrow δ, it moves to the non-storage position as shown in FIG.

The head 11 is provided with a locking portion 11c (see FIG. 2B), and the head housing portion 5a is also provided with a locking portion 5c (see FIG. 3). The head 11 is held in a state of protruding by a predetermined distance from the base 5 by the one locking portion.

In this way, only by locking the arm 3, the head 11 stored in the head storage portion 5a when unlocked is projected from the head storage portion 5a to lock the door 3 and the vertical frame 6. can do.

As described above, in the door guard 1, when the release pin 19 is raised from the unlocked state to the locked state, the one end is housed by the arm in the direction in which the head is housed (opposite arrow δ). Direction) is provided at a position to be pressed. Therefore, by simply raising the arm 3 from the unlocked state to the locked state, the release pin 1
The one end 19a of 9 can be pressed, and thereby, the engagement between the stopper engagement groove 11a and the stopper engagement projection 15a can be released.

To release the lock, the arm 3 may be unlocked as shown in FIG. The head 11 is brought into the state shown in FIG. 1 by pressing with a finger or the like in the direction of the head housing portion 5a of the base 5 (the direction opposite to the arrow δ).

As a result, the head 11 protruding when locked can be housed in the base 5 when unlocked, so that the effective space of the door opening when unlocked can be increased. Therefore, clothes do not get caught when passing.

In this embodiment, the non-storage position corresponds to the first position and the storage position corresponds to the second position.

In the above embodiment, the stopper engaging groove 1
The engagement and disengagement of the stopper 1a and the stopper engaging projection 15a is realized by the stopper 15 moving in parallel in the arrow ε direction or in the opposite direction. However, the present invention is not limited to this, and the stopper engaging groove 11a and the stopper engaging protrusion 1 are not limited thereto.
Any mechanism may be used as long as it can engage and disengage 5a. For example, as shown in FIG. 5, a protrusion 41 a may be formed at one end of the holding member 41, and the holding member 41 may be swingable around a shaft 42. in this case,
Normally, when a biasing force is applied from the spring 43 and the release pin 19 presses it, it swings around the shaft 42 and the holding state of the head 11 is released.

Further, in the above embodiment, the release pin 1
The holding state of the head 11 is released by moving 9 in the direction parallel to the moving direction of the head 11. However, the present invention is not limited to this, and any mechanism may be used as long as it can release the holding state of the head 11.

The above embodiment can be understood as the following technical idea.

An arm attached to either the vertical frame or the door; a base attached to the other of the vertical frame or the door, the base having a head engaging with the arm; A locking method using a door guard for locking the door, wherein the head is movable to the base at a first position protruding from the base or at a second position where the base is wholly or partially housed. Attaching and urging the head so as to be located at the first position, the head can be held at the second position, and the holding at the second position is released in conjunction with the movement of the arm. A locking method using a door guard, which is characterized by:

In this locking method, the head can be stored in the base when the lock is not required, so that clothes do not get caught when passing. Further, since the holding at the second position is released in association with the movement of the arm, the releasing operation becomes easy.

[0032]

According to the door guard of the present invention, the head is movable to a non-storage position projecting from the head storage portion or a storage position where all or a part of the head storage portion is stored. It is attached to the base. The second urging means urges the stopper in a direction in which the stopper engaging groove and the stopper engaging protrusion are engaged with each other. That is, when the head is moved to the storage position, the stopper holds the head in the storage position. As a result, the stored state is maintained.

When one end of the release pin is pressed, the other end of the release pin comes into contact with the stopper slide groove to release the engagement between the stopper engagement groove and the stopper engagement projection. Slide the stopper. Here, the first urging means urges the head to be positioned at the non-storage position. As a result, the head is held in the non-storage position.

In this way, the head can be housed in the base when unnecessary. Therefore, it is possible to provide a door guard in which clothes are not caught when passing.

In the door guard of the second aspect, the release pin is provided at a position where the one end is pressed by the arm when the arm is raised from the unlocked state to the locked state. Therefore, the one end of the release pin can be pressed only by raising the arm from the unlocked state to the locked state, whereby the engagement between the stopper engaging groove and the stopper engaging protrusion is released.

Thus, when unnecessary, the head is housed in the base, and the arm is raised from the unlocked state to the locked state so that the head is projected from the base. You can Therefore, it is possible to provide a door guard that is not complicated to operate.

[Brief description of drawings]

FIG. 1 is a diagram showing a door guard 1 according to the present invention.

FIG. 2 is a diagram for explaining the operation of the door guard 1.

FIG. 3 is a diagram for explaining the operation of the head 11.

FIG. 4 is a diagram for explaining the operation of the head 11.

FIG. 5 is a diagram showing another embodiment.

FIG. 6 is a view showing a conventional door guard 71.

[Explanation of symbols]

 3 ... Arm 3a ... Attachment part 3b ... Shaft 4 ... Door 5 ... Base 5a・ ・ ・ ・ ・ ・ ・ Head storage part 6 ・ ・ ・ ・ ・ ・ ・ ・ Vertical frame 11 ・ ・ ・ ・ ・ Head 11a ・ ・ ・ ・ Stopper engaging groove 13 ・ ・ ・ ・ Spring 15 ・ ・ ・ Stopper 15a ・ ・ ・ ・ Protrusion for stopper engagement 15b ・ ・ ・ ・ Groove for stopper slide 17 ・ ・ ・ ・ Spring 19 ・ ・ ・ ・ ・ ・ Release pin 19a ... ・ One end 19b ・ ・ ・ ・ The other end 41 ・ ・ ・ ・ ・ Holding member 41a ・ ・ ・ ・ ・ ・ Projection 42 ・ ・ ・ ・ ・ ・ Shaft 43 ・ ・ ・ ・···spring

Claims (2)

[Claims] 1. A door guard for locking the vertical frame and the door, the arm being mounted on a door, the base being mounted on the vertical frame, the base having a head engaging with the arm. Has a head accommodating portion, the head is provided with a stopper engaging groove, and the head has a non-accommodating position protruding from the head accommodating portion, or the head accommodating portion having all or one of A first biasing means for biasing the head to be in the non-storage position, a stopper slide groove, and the head. A stopper having a stopper engaging projection that engages with the stopper engaging groove, and the stopper engaging groove and the stopper engaging projection engage with the stopper. A second urging means for urging in a direction, a direction in which, when one end is pressed, the other end abuts against the stopper slide groove to release the engagement between the stopper engaging groove and the stopper engaging protrusion. A door guard, further comprising: a release pin for sliding the stopper. 2. The door guard according to claim 1, wherein the release pin is provided at a position where the one end is pressed by the arm when the arm is raised from the unlocked state to the locked state. And the door guard.