JP2021021249A - Door guard cushion - Google Patents

Abstract

To prevent impact noise, impact vibration, and impact damage due to a violent collision between a hook part and a tip of a U-shaped arm slit of a door guard, when trying to forcibly open a door too wide, with the hook part and the U-shaped arm part of the door guard are fitted and locked, and to develop and provide a mechanism for preventing the impact noise, impact vibration, and impact damage, which can be easily attached to a door guard already installed on a normal door.SOLUTION: A door guard cushion is a cushioning material made of a rectangular parallelepiped flexible material whose tip surface has a circular arc shape or a polygonal pointed shape, and can be fitted and attached by making contact the tip surface with a tip portion within a U-shaped arm slit of a door guard.SELECTED DRAWING: Figure 1

Description

The present invention relates to a security door guard installed on a door of a home or the like, and relates to an impact prevention when the door is opened in a locked state.

Originally, the door guard inserts and engages the hook part of the door guard mounted on the door into the slit of the U-shaped arm of the door guard mounted on the wall material connected to the door, and the length of the U-shaped arm when the door is opened. It is a door lock mechanism for crime prevention that controls and stops the opening of the door with the longest length.

In Patent Document 1 (Jikkenhei 6-47554), a hook having a locking protrusion at the tip of a corner and being fixed to the opening / closing side edge of the door on the indoor side and being fixed to the door vertical frame. A door guard that consists of a base and a U-shaped arm that is pivotally attached to the base and coated with cushioning material, and the locking projection of the hook engages with the slit of the U-shaped arm to limit the door opening angle. In the above, a recess is formed at the portion of the U-shaped arm sandwiched by the door at the contact surface under pressure, and the portion of the cushioning material corresponding to the recess adheres to the recess so that the outer surface of the cushioning material becomes flat. The technical idea of forming a thick wall is disclosed.

However, in Patent Document 1 (Actual Kaihei 6-47554), attention is focused only on preventing damage to the door when the door is closed with the U-shaped arm of the door guard protruding toward the door. There is no mention of impact damage between the doguard hook and the U-arm mounting and fixing part when the door is locked and the door is opened widely.

Further, in Patent Document 1 (Actual Kaihei 6-47554), the impact sound and impact vibration of a door guard composed of only metal parts to which a cushioning material is not attached, which has already been attached to many doors, No mention is made of how to prevent impact damage.

Jikkenhei 6-475554

According to the above-mentioned conventional door guard, the coating of the warming material on the arm exclusively serves the role of not damaging the door when it comes to the outside of the door and is pinched by the door. The cushioning property to soften the impact force of the stop was not sufficient.

In the present invention, when the hook portion of the door guard and the U-shaped arm portion are fitted and locked, and when the door is forcibly opened widely, a violent collision between the dog guard hook portion and the tip portion of the U-shaped arm slit is made. We have developed a mechanism to prevent the above-mentioned impact noise, impact vibration, and impact damage that can be easily attached to the door guard already installed on a normal door, with the aim of preventing impact noise, impact vibration, and impact damage due to The challenge is to provide.

An object of the present invention is to provide a door guard mounting cushion material having a high cushioning property that softens an impact force when the door is opened without impairing the design appearance of the door guard.

The door guard cushion according to the present invention for solving the above problems is a cushioning material made of a rectangular parallelepiped flexible material, and the tip surface of the cushioning material is brought into contact with the tip of the U-arm slit of the door guard. It is characterized by having a structure that can be fitted and mounted.

Further, the door guard cushion according to the present invention may take a form of a cushioning material made of a rectangular parallelepiped flexible material having a tip surface having a circular arc shape or a polygonal pointed shape.

The door guard cushion according to the present invention may also be characterized in that the cushioning material made of the flexible material is a natural rubber, a cork material, a synthetic rubber resin, a urethane resin, or another synthetic resin.

That is, the door guard cushion according to the present invention is attached to the tip inside the slit of the U-shaped arm of the door guard to open the door with the hook portion and the U-shaped arm portion of the door guard fitted and locked. At that time, the impact sound and the impact vibration due to the violent collision between the door guard hook portion and the tip portion of the U-shaped arm slit can be buffered and alleviated to prevent impact damage.

The door guard cushion according to the present invention is a substantially rectangular parallelepiped cushion that approximates the shape inside the slit of the U-shaped arm, which is characterized in that it can be attached to the tip inside the slit of the U-shaped arm of the door guard from the outside. is there. Needless to say, the door guard cushion according to the present invention can be applied even to a chain type door lock (door guard). The door guard cushion according to the present invention can be attached to the tip of the inside of the slit of the U-shaped arm into which the hook portion of the chain is inserted, and the same effect can be obtained.

The present invention provides a door guard mounting cushion material having a high cushioning property that softens an impact force when the door is opened without impairing the design appearance of the door guard. As a result, it is possible to prevent the wrist from being impacted or damaged when the door is strongly opened without knowing the locked state of the door guard.

The door guard cushion according to the present invention is a portion where the cushioning material made of the rectangular parallelepiped flexible material comes into contact with the outer surface of the U-shaped arm at the ridgeline portion thereof when the door guard cushion is mounted in the U-shaped arm slit. It can also take a form having a fixing protrusion on the.

That is, the door guard cushion according to the present invention has a protrusion on its outer shape, so that when it is inserted and fitted into the internal slit of the U-shaped arm of the door guard, it is hooked on the outside of the U-shaped arm for mounting and fitting. It can be made stronger.

In the door guard cushion according to the present invention, the cushioning material made of the rectangular parallelepiped flexible material covers the outer surface or one outer surface of the U-shaped arm when the door guard cushion is mounted in the U-shaped arm slit from the front-rear direction. It can also have a mating structure.

That is, the door guard cushion according to the present invention can be inserted and mounted, for example, by covering the vertical direction of the U-shaped arm from one side of the U-shaped arm of the door guard.

Similarly, the door guard cushion according to the present invention is also fitted in the slit of the U-shaped arm in a form of being sandwiched from both the front and rear sides of the U-shaped arm by having, for example, a foldable fitting structure composed of upper and lower sides. , The U-shaped arm can be mounted by covering it from the outer circumference.

As described above, the door guard cushion according to the present invention can be applied to and used for door locks having various shapes by arbitrarily changing the structure as described above.

That is, the door guard cushion according to the present invention is a cushioning material that can be inserted and attached to the inner tip of the slit of the U-shaped arm of the door guard that has already been attached to the door, and the hook portion and the U-shaped arm portion of the door guard. It is a collision cushioning material with the tip.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention. All of these suitable forms for each application are included in the technical idea of the present invention. All the equalization methods using the prior art are also included in the technical idea of the present invention.

According to the present invention, when the hook portion of the door guard and the U-shaped arm portion are fitted and locked, and the door is forcibly opened widely, the dog guard hook portion and the tip portion of the U-shaped arm slit are connected to each other. It is possible to prevent impact noise, impact vibration, and impact damage due to a violent collision.

According to the present invention, it can be easily attached to a door guard already installed in a normal door, and the above-mentioned impact sound, impact vibration, and impact damage can be prevented.

That is, according to the present invention, it is possible to provide a cushioning material for mounting a door guard having a high cushioning property that softens the impact force when the door is opened without impairing the design appearance of the door guard. Therefore, the door can be strongly pressed while the door guard is locked. It is possible to prevent impact and damage to the wrist when it is opened.

It is a conceptual diagram which showed the appearance of the door guard and the door guard cushion which concerns on one Example of this invention. It is a conceptual diagram which showed the appearance of the door guard cushion which concerns on one Example of this invention. It is a conceptual diagram which showed the appearance of the door guard cushion which concerns on one Example of this invention. It is a conceptual diagram which showed the appearance of the door guard cushion which concerns on one Example of this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. In the following, the range necessary for the explanation for achieving the object of the present invention will be schematically shown, and the range necessary for the explanation of the relevant part of the present invention will be mainly described. It shall be based on known technology.

FIG. 1 is a conceptual diagram showing the appearance of a door guard and a door guard cushion according to an embodiment of the present invention. As shown in the figure, generally, the door guard U-shaped arm 6 of the door guard 1 is fixed to the door 3, and the door guard hook portion 5 of the door guard 1 is fixed to the door wall 4 in contact with the door 3. However, the fixed positions of the door guard U-shaped arm 6 and the door guard hook portion 5 may be opposite to each other. In either case, the functions of the door guard and the door guard cushion according to the embodiment of the present invention can be similarly exhibited.

As shown in FIG. 1, when the hook hooking portion 12 at the tip of the door guard hook portion 5 is inserted and mounted in the U-shaped arm slit 7 of the door guard U-shaped arm 6, the door has the longest length of the U-shaped arm 6. As it becomes impossible to open the door any more. That is, the door is locked.

As shown in FIG. 1, the door guard cushion 2 according to the embodiment of the present invention is a cushioning body made of a flexible material that is inserted and attached to the inner tip of the door guard U-shaped arm slit 7. Due to a violent collision between the door guard hook 5 and the tip of the U-arm slit 7 when the door guard hook 5 and the U-arm 6 are fitted and locked and the door is forcibly opened wide. It is possible to prevent impact noise, impact vibration, and impact damage. The door guard cushion according to the embodiment of the present invention can be similarly applied to a chain type door lock (door guard). It may be interpreted that the door guard hook portion 5 in FIG. 1 is a chain hook portion and the U-shaped arm 6 is changed in shape and mounted on the surface of the door 3. The figure is omitted.

FIG. 2 is a conceptual diagram showing the appearance of the door guard cushion according to the embodiment of the present invention. As shown in the figure, the door guard cushion 2 is a cushioning material made of a rectangular parallelepiped flexible material having a circular arc shape or a polygonal pointed tip portion. However, it goes without saying that it may have a substantially rectangular parallelepiped shape.

As shown in FIG. 2, the door guard cushion 2 according to the embodiment of the present invention may have a fixing protrusion 9 at a portion in contact with the upper and lower door guard U-shaped arms 6. The fixing protrusion 9 has a function of preventing the door guard cushion 2 from coming off because it is hooked and stopped when the door guard cushion 2 is attached to the U-shaped arm 6.

FIG. 3 is a conceptual diagram showing the appearance of the door guard cushion according to the embodiment of the present invention. As shown in the figure, the door guard cushion 2 according to the embodiment of the present invention may have a U-shaped arm insertion portion 10. Since the tip portion of the U-shaped arm 6 is inserted and fitted into the U-shaped arm insertion portion 10, the door guard cushion 2 has a function of making it more difficult to come off than the case of the fixing protrusion 9 described above.

FIG. 4 is a conceptual diagram showing the appearance of the door guard cushion according to the embodiment of the present invention. As shown in the figure, the door guard cushion 2 according to the embodiment of the present invention has a door guard cushion sandwiching fixture 13 having a shape that covers the outside of the U-shaped arm and sandwiches the door guard cushion 2. It is in a form that does not come off.

As described above, the door guard cushion according to the embodiment of the present invention has a rigid mounting structure that covers the outer surface of the U-shaped arm from both sides or one side and fits from the front-rear direction when the U-shaped arm slit 7 is mounted inside. You can also take. These structures can take various structures by the conventional technique.

As described above, according to the present invention, the door guard cushion according to the embodiment of the present invention can be used for door locks having various shapes by arbitrarily changing the structure.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention. All of these suitable forms for each application are included in the technical idea of the present invention. All the equalization methods using the prior art are also included in the technical idea of the present invention.

As described above, according to the door guard cushion according to the present application, when an attempt is made to open the door in a state where the hook portion of the door guard and the U-shaped arm portion are fitted and locked, the door guard hook portion and the tip portion of the U-shaped arm slit It is possible to prevent impact damage by cushioning impact noise and impact vibration caused by a violent collision with.

The present invention provides a cushioning material for mounting a door guard having a high cushioning property that softens the impact force when the door is opened without impairing the design appearance of the door guard, and the wrist when the door is strongly opened without knowing the locked state of the door guard. It also makes it possible to prevent impact and damage. That is, the door structure and the human-friendly door guard can be provided later.

Since the present invention can be used and applied not only to door locks for home use but also to door locks having a similar structure to any door, the present application brings benefits to various industries.

1 Door guard 2 Door guard cushion 3 Door 4 Entrance wall 5 Door guard hook part 6 Door guard U-shaped arm 7 U-shaped arm slit 8 Door guard cushion tip 9 Fixing protrusion 10 U-shaped arm insertion part 11 U-shaped arm outer surface (front side)
12 Hook hook 13 Door guard Cushion sandwiching fixture

Claims (5)

A cushioning material made of a rectangular parallelepiped flexible material.
A door guard cushion having a structure in which the tip surface of the cushioning material can be brought into contact with the tip of the U-arm slit of the door guard for fitting and mounting. The cushioning material made of the flexible material is the cushioning material made of a rectangular parallelepiped flexible material having a curved arc shape or a polygonal pointed tip surface, according to claim 1. Door guard cushion. The door guard cushion according to any one of claims 1 and 2, wherein the cushioning material made of the flexible material is a natural rubber, a cork material, a synthetic rubber resin, a urethane resin, or another synthetic resin. .. The cushioning material made of the flexible material is characterized by having a fixing protrusion at a portion of the ridgeline portion of the door guard cushion that comes into contact with the outer surface of the U-shaped arm when the door guard cushion is mounted in the U-shaped arm slit. The door guard cushion according to any one of claims 1 to 3. The cushioning material made of the flexible material is characterized in that it has a structure in which the outer surface of the U-shaped arm is covered from both sides or one side and fitted from the front-rear direction when the door guard cushion is mounted in the U-shaped arm slit. The door guard cushion according to any one of claims 1 to 4.

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