KR20230001122U - Apparatus for Preventing Hands From Being Caught in Gap of Doors - Google Patents

Abstract

The door jamming prevention device includes an outer cover member, an inner fixed cover member, an inner movable cover, a hinge part, and the like. The outer cover member includes a movable cover coupling portion, a rotation hinge coupling portion, and an outer cover. The inner fixed cover member includes an inner fixed cover main body and an auxiliary cover. The inner movable cover is configured in an arc shape and moves along the outer surfaces of the inner fixed cover and the auxiliary cover. The hinge portion pivots the outer cover member and the inner movable cover.

Description

Door hand jam prevention device {Apparatus for Preventing Hands From Being Caught in Gap of Doors}

The present invention relates to a door hand jamming prevention device for preventing hands from being caught in a door gap of a casement door.

A hinged door refers to a door or window that is opened by pushing or pulling. A male and female hinge made of iron is put on the edge of the door frame (door frame) and door (door leaf), and the hinge is used as the axis of rotation to pull or push it in and out. will open Swing doors are usually pulled forward when opened from the outside and pushed out when opened from the inside.

Hinged doors are used as indoor doors in almost all buildings, such as homes, daycare centers, and schools. Accidents in which fingers are caught in the gap between the door frame and the door frequently occur while the door is open. In particular, infants with poor attention are more exposed to this risk, and the degree of injury can be fatal.

Accordingly, there have been many studies on door hand jamming prevention devices for casement doors, and utility registration No. 0201575 (gap prevention device for doors) and patent registration No. 1244792 (safety casement doors) are examples.

However, the conventional door hand jamming prevention device has a problem in that the door holding force is weak and the durability is poor.

[Prior patent]

1. Korea Utility Registration No. 0201575 (Gap prevention device for doors)

2. Korea Patent Registration No. 1244792 (safety door)

The present invention is to solve the problems of the prior art,

First, by strengthening the structure of the hinge part, it is possible to firmly support the door,

Second, it is intended to provide a door hand jamming prevention device capable of smoothly supporting shaft rotation of the hinge part.

To achieve this object, the door jamming prevention device of the present invention may include an outer cover member, an inner fixed cover member, an auxiliary cover, an inner movable cover, a hinge part, and the like.

One side of the outer cover member may be coupled to the door, the first side may include a movable cover coupling portion, and the second other side may include a rotation hinge coupling portion and an outer cover.

The inner fixed cover member may include an inner fixed cover main body and an auxiliary cover.

The inner fixed cover main body may have an inner fixed cover spaced apart along a circular arc on one side. The inner fixed cover member may have an auxiliary cover coupling part at an end of the inner fixed cover in the direction of the spaced apart space.

The auxiliary cover may be coupled to the auxiliary cover coupling part to close the separation space of the inner fixed cover.

The inner movable cover has one side coupled to the movable cover coupling part and the other side configured in an arc shape so that it can move along the outer surfaces of the inner fixed cover and the auxiliary cover.

One side of the hinge part is coupled to the door frame and the other side is coupled to the rotary hinge coupling part so that the outer cover member and the inner movable cover can pivot.

In the door jamming prevention device of the present invention, the hinge part may include a fixed hinge part, a rotating hinge part, a cylindrical part, a support bar, and the like.

The fixed hinge part may include upper and lower fixed hinge parts that are spaced apart vertically, and a fixed hinge connecting part connecting and supporting the upper fixed hinge part and the lower fixed hinge part. The upper and lower fixed hinges form upper and lower support bar insertion holes penetrating vertically, and one side has an outer cover guide groove that penetrates vertically while being recessed along the outer surface, and the other side has an inner fixed cover body coupled to can be fixed

One side of the rotation hinge unit is coupled to the rotation hinge coupling unit and the other side may have a cylindrical insertion hole penetrating vertically.

The cylindrical portion may be inserted into and fixed to the cylindrical portion insertion hole.

The support bar may be inserted into the cylindrical portion and the upper and lower support bar insertion holes to rotatably support the cylindrical portion.

In the door jamming prevention device of the present invention, the cylindrical portion may have a fixed flat portion on an outer surface, and the rotating hinge portion may have an insertion hole flat portion corresponding to the fixed flat portion on an inner surface of the cylindrical portion insertion hole.

In the door jamming prevention device of the present invention, the cylindrical portion may have an inner concave portion on an inner surface and an outer concave portion on an outer surface.

In the door jamming prevention device of the present invention, an adhesive may be inserted into the inner concave portion of the cylindrical portion, and a lubricant may be inserted into the outer concave portion of the cylindrical portion.

The door jamming prevention device of the present invention may include upper and lower fixed washers between the upper fixed hinge and the rotating hinge. The upper and lower fixing washers may have upper and lower fixing keys protruding upward and downward, respectively. In this case, the upper fixed hinge portion may include an upper fixed key coupling groove into which an upper fixed key is inserted, and the rotation hinge portion may include a lower fixed key coupling groove into which a lower fixed key is inserted.

The hand jamming prevention device of the present invention may include upper and lower fixing washers of the same type as the upper and lower fixing washers described above between the lower fixing hinge and the rotating hinge. In this case, the lower fixed hinge unit and the rotating hinge unit may have lower and upper fixed key coupling grooves having the same shape as the lower and upper fixed key coupling grooves described above, respectively.

In the door jamming prevention device of the present invention, the support bar may have a support bar fixing part in an area inserted into the lower support bar insertion hole.

The device for preventing hands from getting caught in a door of the present invention having such a configuration can effectively prevent hands from getting caught in a door gap by combining the outer cover, the inner fixed cover, the auxiliary cover, and the inner movable cover.

The door jamming prevention device of the present invention can firmly support the door as well as the rotating hinge by separating the fixed hinge into an upper fixed hinge and a lower fixed hinge and inserting and combining the rotating hinge between them.

In addition, in the door jamming prevention device of the present invention, the cylindrical part is fixedly inserted into the rotating hinge part and the adhesive and the lubricant are inserted into the inner and outer surfaces of the cylindrical part, so that the axis rotation of the hinge part is smooth and the durability can be greatly increased.

1a to 1c are a combined perspective view and a partially removed perspective view of the door hand jamming prevention device according to the present invention.
2a to 2d are a perspective view, an exploded perspective view, and a partial plan view of the hinge part in the door hand jamming prevention device according to the present invention.
3a to 3c are operation diagrams of the door jamming prevention device according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1a to 1c are a combined perspective view and a partially removed perspective view of the door hand jamming prevention device according to the present invention.

As shown in Figures 1a ~ 1c, the door hand jam prevention device of the present invention includes an outer cover member 300, an inner fixed cover member 400, an inner movable cover 500, a reinforcing bar 600, a hinge portion 700 ) and the like.

The outer cover member 300 has one side coupled to the side surface of the door 200 to block hands from being caught in the outward direction at the hinge coupling portion between the door frame 100 and the door 200, and the door coupling portion 310 , It may include a movable cover coupling part 320, a rotation hinge coupling part 330, an outer cover 340, and the like.

The door coupling part 310 may be coupled to the door 200 to support the remaining components, that is, the movable cover coupling portion 320, the rotation hinge coupling portion 330, and the outer cover 340.

The door coupling part 310 may be configured in a plate shape, and may be surface-coupled and fixed to the door 200 using a piece, a screw, or the like.

The movable cover coupling portion 320 couples and supports the inner movable cover 500 and may extend from an inner end of the door coupling portion 310 in a direction away from the door 200 . The movable cover coupling portion 320 may include a bent coupling portion that is recessed or protrudes in the width direction. The bent coupling portion is a place where the inner movable cover 500 is fitted and fixed, and may be configured in a shape in which the width increases while being depressed or protruded so that one side of the inner movable cover 500 is hooked and fixed after being fitted.

The rotary hinge coupling part 330 couples and fixes one side of the rotary hinge part (see 720 in FIG. 2 ) of the hinge part 700, and may be configured in the shape of, for example, a protruding bar.

The outer cover 340 closes the outer gap at the hinge joint between the door frame 100 and the door 200 when the door 200 rotates, and the outer cover 340 closes the door 200 at the outer end of the door coupling portion 310. It may be formed extending in a direction away from. At least one end of the outer cover 340 may have an arc shape to be selectively inserted into an outer cover guide groove (refer to G in FIG. 2 ) of the hinge part 700 to be described later.

The inner fixed cover member 400 guides the inner movable cover 500 while covering a part of the gap between the door frame 100 and the door 200, and the inner fixed cover body 410, the auxiliary cover 420, etc. can be configured.

One side of the inner fixed cover body 410 may be coupled and fixed to a fixed hinge portion (see 710 in FIG. 2 ) with screws or the like. The inner fixed cover body 410 may be configured in a form in which one side is opened by being bent in a 'b' shape, for example. The inner fixed cover body 410 may integrally couple and support the inner fixed cover 411 to the 'b' shaped end. The inner fixed cover 411 may be configured in an arc shape, and may be spaced apart from each other to form a separation space. The inner fixed cover 411 may have an auxiliary cover coupling part 412 to which the auxiliary cover 420 can be coupled at an end in the direction of the separation space. The auxiliary cover coupling part 412 may be configured in a bent shape in which the separation space is increased so that the auxiliary cover 420 is fitted.

The auxiliary cover 420 closes the separation space of the inner fixed cover 411, and may have coupling protrusions formed along the longitudinal direction at both ends in the width direction. The coupling protrusion of the auxiliary cover 420 may be configured to be bent while protruding toward the end so as to be fitted to the auxiliary cover coupling part 412 . The auxiliary cover 420 may be made of a soft material such as silicone or rubber to facilitate coupling/separation and reduce noise generation.

The inner movable cover 500 prevents hands from being caught in the inward direction at the hinge coupling portion between the door frame 100 and the door 200, and one side thereof may be coupled and fixed to the movable cover coupling portion 320. The inner movable cover 500 may slide along the outer surfaces of the inner fixed cover 411 of the inner fixed cover member 400 and the auxiliary cover 420 while rotating together with the door 200 .

The inner movable cover 500 may be configured to extend in the direction of the door frame 100 . The inner movable cover 500 may be configured in an arc shape. The inner movable cover 500 may have a coupling protrusion or a depression that can be fitted to the movable cover coupling part 320 on one side. The inner movable cover 500 may be made of a soft material, such as rubber or silicone, to facilitate coupling/separation and reduce noise generation.

The reinforcing bar 600 may reinforce closing the gap of the inner movable cover 500 while selectively embedding an end portion of the inner movable cover 500 . The reinforcing rod 600 is protrudingly coupled to the inner surface of the door frame 100, but may be spaced apart from the fixed hinge part 710 to form a gap therebetween. One end of the fixed inner cover 411 may be embedded in the gap space, and the inner movable cover 500 may be selectively inserted.

One side of the hinge part 700 is coupled to the door frame 100 and the other side is coupled to the rotary hinge coupling part 330 of the outer cover member 300 to form the outer cover member 300 and the inner movable cover 500. axis can be rotated.

2a to 2d are a perspective view, an exploded perspective view, and a partial plan view of the hinge part in the door hand jamming prevention device according to the present invention.

As shown in FIGS. 2A to 2D, the hinge part 700 includes a fixed hinge part 710, a rotation hinge part 720, a cylindrical part 730, a support bar 740, fixed washers 750 and 760, and the like. can do.

The fixed hinge part 710 is coupled to the door frame 100 to pivotally support the rotating hinge part 720, and includes an upper fixed hinge part 711, a lower fixed hinge part 712, and a fixed hinge connecting part 713. Including and the like, these can be configured integrally.

The upper fixed hinge portion 711 constitutes the upper side of the fixed hinge portion 710, has an upper support bar insertion hole T1 penetrating vertically, and an outer cover penetrating vertically while being depressed along the outer surface at one side. A guide groove (G) may be provided. The upper fixed hinge portion 711 may be coupled and fixed to the door frame 100 using screws, pieces, or the like.

The lower fixed hinge part 712 is spaced downward from the upper fixed hinge part 711 to constitute the lower side of the fixed hinge part 710, and is configured in the same form as the upper fixed hinge part 711, so that the door frame ( 100) can be coupled and fixed.

The fixed hinge connection part 713 is located between the upper fixed hinge part 711 and the lower fixed hinge part 712 to support the upper fixed hinge part 711 and the lower fixed hinge part 712 apart from each other. It is configured to have a smaller size than the lower fixed hinge parts 711 and 712 to provide a rotational space for the rotation hinge part 720 .

The rotation hinge unit 720 rotates the outer cover member 300, the inner movable cover 500, and the door 200 while pivoting around the fixed hinge unit 710, and one side is the rotation hinge coupling unit 330. ) and may be provided with a cylindrical insertion hole (C) penetrating vertically on the other side (rotation shaft area). The rotation hinge unit 720 may include a rotation hinge coupling groove A embedding a protruding area of the rotation hinge coupling unit 330 . The rotation hinge coupling groove (A) may be configured as a 'c'-shaped depression corresponding to the bar shape of the rotation hinge coupling portion 330 .

The rotary hinge part 720 may have an insertion hole flat part D fixing the cylindrical part 730 to be inserted therein. Insertion hole plane portion (D) may be provided with one, but preferably configured in a symmetrical form in the facing direction.

The cylindrical portion 730 may be inserted into and fixed to the cylindrical portion insertion hole (C). The cylindrical portion 730 may have a fixed flat portion P on an outer surface thereof. The fixed plane portion (P) corresponds to the insertion hole plane portion (D) of the rotary hinge portion 720, and can be surface-coupled with the insertion hole plane portion (D) to prevent rotation.

The cylindrical portion 730 may have an inner concave portion R1 on an inner surface. The inner recessed portion R1 may have one, but it is preferable to have two, four, etc. symmetrically along the inner surface. A lubricant may be inserted into the inner recessed portion R1 to reduce rotational frictional force between the cylindrical portion 730 and the support bar 740 .

The cylindrical portion 730 may have an outer concave portion R2 on an outer surface thereof. The outer recessed portion R2 may have one, but it is preferable to have two, four, etc. symmetrically along the outer surface. The outer concave portion R2 may be radially displaced from the inner concave portion R1. An adhesive may be inserted into the outer concave portion R2 to secure the coupling between the cylindrical portion 730 and the rotary hinge portion 720 .

The support bar 740 may be inserted into the cylindrical portion 730 and the upper/lower support bar insertion holes T1 and T2 to rotatably support the cylindrical portion 730 . The support bar 740 may have a support bar fixing part 741 in an area inserted into the lower support bar insertion hole T2. The support bar fixing part 741 may be configured in the form of a protrusion, for example, it may be configured as a column protrusion formed in the longitudinal direction while being spaced apart along the circumference.

The fixed washers 750 and 760 may be inserted between the upper fixed hinge portion 711 and the upper end of the rotary hinge portion 720 .

The fixed washers 750 and 760 may include an upper fixed washer 750 in surface contact with the upper fixed hinge portion 711 and a lower fixed washer 760 in surface contact with the upper end of the rotating hinge portion 720 as one set. .

The upper fixing washer 750 may have an upper fixing key 751 protruding upward on one side. The upper fixed key 751 may be inserted into the upper fixed key coupling groove I1 formed in the upper fixed hinge part 711 to prevent rotation.

The lower fixing washer 760 may have a lower fixing key 761 protruding downward on one side. The lower fixing key 761 may be inserted into the lower fixing key coupling groove 12 formed in the rotation hinge part 720 to prevent rotation.

The above-described upper fixing washer 750 and lower fixing washer 760 may be coupled between the lower end of the rotary hinge 720 and the lower fixing hinge 712 in the same manner.

3a to 3c are operation diagrams of the door jamming prevention device according to the present invention.

As shown in FIG. 3A , in a state in which the door 200 is closed, the outer cover 340 of the outer cover member 300 closes the outer gap of the hinge coupling part, and the inner movable cover 500 closes the hinge coupling portion. By closing the inside, it is possible to prevent the hand from getting caught on the outside and inside of the door gap.

As shown in FIG. 3B, when the door 200 is in the process of being opened, the outer cover 340 of the outer cover member 300 is gradually inserted into the outer cover guide groove G, but the outer cover 340 is still attached to the outer side of the hinge joint. Gap closures can be performed. On the other hand, the inner movable cover 500 reduces the inner gap closing function of the hinge joint, and at this time, the inner fixed cover 411 and the auxiliary cover 420 assist in closing the inner gap while the inner movable cover 500 ) can gradually compensate for the decrease in obstructive function.

As shown in FIG. 3C, when the door 200 is open, the outer cover 340 of the outer cover member 300 is completely inserted into the outer cover guide groove G, but the outer cover 340 The rear end can still perform outer gap closure of the hinge joint. At this time, the inner gap may be substantially closed by the inner fixing cover 411 and the auxiliary cover 420 .

In this way, the door hand jamming prevention device of the present invention can tightly close the outer gap and the inner gap of the hinge coupling part from the closed state to the open state of the door 200 or vice versa, thereby improving safety. can be greatly increased.

Although the present invention has been described based on several examples, this is for exemplifying the present invention. A person skilled in the art will be able to change or modify the shape based on the above embodiment. However, such variations or modifications may be construed as included in the scope of the claims below.

100: door frame 200: door
300: outer cover member 310: door coupling part
320: movable cover coupling part 330: rotation hinge coupling part
340: outer cover 400: inner fixed cover member
410: inner fixed cover body 411: inner fixed cover
412: auxiliary cover coupling part 420: auxiliary cover
500: inner moving cover 600: reinforcement
700: hinge part 710: fixed hinge part
711: upper fixed hinge 712: lower fixed hinge
713: fixed hinge connection part 720: rotation hinge part
730: cylindrical portion 740: support bar
741: support bar fixing part 750: upper fixing washer
751: upper fixed key 760: lower fixed washer
761: lower fixed key A: rotation hinge coupling groove
G: Outer cover guide groove C: Cylindrical insertion hole
D: flat part of insertion hole I1,I2: upper/lower fixed key coupling groove
P: Fixed plane part R1, R2: Inner/outer recessed part
T1, T2: Upper/lower support bar insertion hole

Claims (7)

In the door hand jam prevention device,
An outer cover member 300 having one side coupled to the door 200 and having a movable cover coupling portion 320 on the first other side and a rotating hinge coupling portion 330 and an outer cover 340 on the second other side;
An inner fixed cover main body 410 having an inner fixed cover 411 spaced apart along a circular arc on one side and an auxiliary cover coupling part 412 provided at an end of the inner fixed cover 411 in the direction of the spaced apart space, and the An inner fixed cover member 400 including an auxiliary cover 420 coupled to the auxiliary cover coupling part 412 to close the separation space;
an inner movable cover 500 having one side coupled to the movable cover coupling part 320 and the other side configured in an arc shape to move along outer surfaces of the inner fixed cover 411 and the auxiliary cover 420;
One side is coupled to the door frame 100 and the other side is coupled to the rotation hinge coupling portion 330 to pivot the outer cover member 300 and the inner movable cover 500. Including a hinge portion 700, Door jamming prevention device. The method of claim 1, wherein the hinge part 700
Upper and lower fixed hinge parts 711 and 712 spaced apart vertically, and a fixed hinge connection part 713 connecting and supporting the upper and lower fixed hinge parts 711 and 712, wherein the upper and lower fixed hinge parts 711 and 712 It has upper and lower support bar insertion holes T1 and T2 penetrating vertically, and an outer cover guide groove G penetrating vertically while being recessed along the outer surface on one side, and the inner fixing cover body on the other side. A fixed hinge portion 710 for fixing by coupling 410;
The rotary hinge part 720 having one side coupled to the rotary hinge coupling part 330 and having a cylindrical insertion hole C penetrating vertically on the other side:
a cylindrical portion 730 inserted into and fixed to the cylindrical portion insertion hole (C);
A door jamming prevention device including a support bar 740 inserted into the cylindrical portion 730 and the upper and lower support bar insertion holes T1 and T2 to rotatably support the cylindrical portion 730. According to claim 2,
The cylindrical portion 730 has a fixed flat portion P on the outer surface,
The rotary hinge part 720 has an insertion hole flat part (D) corresponding to the fixed flat part (C) on the inner surface of the cylindrical part insertion hole (C). The method of claim 3, wherein the cylindrical portion (730)
An apparatus for preventing hand jamming of a door having an inner recessed portion (R1) on an inner surface and an outer recessed portion (R2) on an outer surface. According to claim 4,
An adhesive is inserted into the inner recessed portion (R1) and a lubricant is inserted into the outer recessed portion (R2). According to claim 3,
Including upper and lower fixed washers 750 and 760 between the upper fixed hinge part 711 and the rotating hinge part 720,
The upper and lower fixing washers 750 and 760 each have upper and lower fixing keys 751 and 761 protruding upward and downward,
The upper fixed hinge part 711 has an upper fixed key coupling groove I1 into which the upper fixed key 751 is inserted, and the rotation hinge part 720 has a lower fixed key into which the lower fixed key 761 is inserted. Equipped with a fixed key coupling groove (I2),
Between the lower fixed hinge part 712 and the rotating hinge part 720, upper and lower fixed washers having the same shape as the upper and lower fixed washers 750 and 760 are included,
The lower fixed hinge portion 712 and the rotating hinge portion 720 are provided with lower and upper fixed key coupling grooves having the same shape as the lower fixed key coupling groove I2 and the upper fixed key coupling groove I1, respectively. , door jamming prevention device. The method of claim 2, wherein the support bar 740
Equipped with a support bar fixing part 741 in an area inserted into the lower support bar insertion hole T2, door jamming prevention device.

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