KR102472400B1 - Anti door closing apparatus - Google Patents

Abstract

The present invention relates to an anti-door closing device, and more particularly, an installation bracket panel portion mediating installation to the inside of a door installation frame, an anti-door closing fixing portion that rotates in the forward and backward horizontal direction with respect to the installation bracket panel portion, and the installation A pivot connector connecting the bracket panel and the anti-door closing fixing part to each other, wherein the anti-door closing fixing part is formed in a cube shape, and the door is opened so that there is a gap between the pivoting center end of the door and the door installation frame. By being elastically fitted into and contacting the end surface of the pivoting center end of the door, sudden closing of the door is prevented, thereby providing an advantage of blocking the occurrence of a loud noise in advance.

Description

Anti door closing device {ANTI DOOR CLOSING APPARATUS}

The present invention relates to an anti-door closing device, and more particularly, to an anti-door closing device capable of preventing a door from being suddenly closed due to an external factor such as a gust of wind when an indoor door of a residential space is opened. will be.

In general, various entrances and windows are installed inside residential and office buildings. In the case of entrances, hinged doors that can be easily opened and closed from the inside and outside are conveniently operated, and in the case of windows, windows to the outside of the building are used. Sliding doors that do not protrude and are not affected by wind are often used.

Looking more closely at the casement door, since the opening and closing of the casement door has less friction compared to the sliding door, there is relatively no noise and the advantage of being able to easily open and close the door with a small force, but the handle of the casement door when opening There is a problem in that the door collides with the wall and is damaged or a collision sound is generated. In particular, the casement door in the open state is suddenly closed (closed) due to wind (gust), causing severe collision noise.

That is, in a residential space such as an apartment or in an office, a casement door opened for ventilation and ventilation cannot remain open, and is strongly closed due to external factors such as gusts of wind, generating considerable collision noise. The damage caused was even greater.

On the other hand, in order to solve the disadvantages of the conventional casement door as described above, a design is used in which a buffer member is attached to one side of the door or the wall so that the handle does not directly collide with the wall, but it is still unexpected due to wind (gust). Regarding the problem of the door closing unintentionally, research and development to solve the problem are insufficient because it is only to prevent the door from closing arbitrarily by supporting a heavy object at the bottom or inserting a wedge-shaped buffer member in the gap at the bottom.

The present invention has been made to solve the above technical problem, to provide an anti-door closing device capable of preventing the door from being suddenly closed due to external factors such as gusts while the indoor door of a residential space is open for that purpose

In addition, another object of the present invention is to provide an anti-door closing device that can be easily installed and operated by a user to improve convenience of use.

The technical problem of the present invention is not limited to the problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

An anti-door closing device according to an embodiment of the present invention includes an installation bracket panel part for mediating installation on the inside of a door installation frame, an anti-door closing fixing part fixing part that rotates in the front and rear horizontal direction with respect to the installation bracket panel part, and and a pivot connector interconnecting the installation bracket panel and the anti-door closing fixing part, wherein the anti-door closing fixing part is formed in a cube shape, and the door is opened so that the pivoting center end of the door and the door It is elastically fitted into the gap between the installation frames and comes into contact with the end surface of the pivoting center end of the door.

Here, the installation bracket panel portion includes an upper bracket portion having an upper coupling portion to which the upper end of the pivot connector is connected and a lower bracket portion having a lower coupling portion to which the lower end of the pivot connector is connected, and the pivot connector comprises: When the anti-door closing fixture is rotated forward or backward among the rotational directions, it may axially move between the upper and lower coupling portions.

In addition, the anti-door closing fixing part may move in an axial direction by interlocking with the pivot connector.

In addition, the lower end of the pivot connector and the upper end of the lower coupling part may be coupled to have a tapered bonding surface.

In addition, an upper elastic member for elastically supporting the pivoting connector forward is provided between the pivot connector and the lower coupler, and between the pivot connector and the upper coupler, elastically supporting the pivot connector in the rear direction. A lower elastic member may be provided.

In addition, the anti-door closing fixing part is interlocked with the pivoting connector via a pivoting leg integrally extending from the outer circumferential surface of the pivoting connector, and a part of the pivoting leg is horizontally inserted into the anti-door closing fixing part. A horizontal slit may be formed to enable relative movement in a horizontal direction with respect to the pivoting leg.

In addition, an edge cutout may be formed at one corner of the anti-door closing fixing part to conform to a frame step formed in the door installation frame corresponding to the gap.

According to the anti-door closing device according to an embodiment of the present invention, the following various effects can be achieved.

First, the anti-door closing fixing part is provided to be supported so as to conform to the step of the door installation frame while having a predetermined elastic force, and thus has an effect of blocking the occurrence of collision sound due to sudden closing of the door in advance.

Second, since the anti-door closing fixing part can be rotated and moved in the anti-closing direction and the closing direction of the door, convenience of use can be improved.

Third, since the position of the anti-door closing fixture can be adjusted according to the gap between the door installation frame and the door, it has an effect of improving the versatility of the product.

1 is a perspective view and a partially enlarged view showing the installation of an anti-door closing device to a door installation frame according to an embodiment of the present invention;
2 is an exploded perspective view of an anti-door closing device according to an embodiment of the present invention;
3 is a cutaway perspective view of a part of the pivot connector and the installation bracket panel portion of the configuration of FIG. 2;
4a and 4b are front views showing the anti-closing of the door and the closing of the door;
5A and 5B are side views showing the anti-closing of the door and the closing of the door;
6 is a partially projected perspective view for explaining the operation of the pivot connector of the configuration of FIG. 2;
7 is a plan view for explaining the operation of the door during anti-closing;
8 is a plan view for explaining how a door operates during closing.

Hereinafter, an anti-door closing device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In adding reference numerals to components of each drawing, it should be noted that the same components have the same numerals as much as possible even if they are displayed on different drawings. In addition, in describing an embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function hinders understanding of the embodiment of the present invention, the detailed description will be omitted.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the corresponding component is not limited by the term. In addition, unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

1 is a perspective view and a partially enlarged view showing an installation of an anti-door closing device according to an embodiment of the present invention to a door installation frame, and FIG. 2 is an exploded perspective view of the anti-door closing device according to an embodiment of the present invention. 3 is a cutaway perspective view of a part of the pivot connector and the installation bracket panel portion of the configuration of FIG. 2 .

The anti-door closing device 100 according to an embodiment of the present invention is installed inside the door installation frame F, as shown in FIGS. 1 and 2 .

As referenced in FIG. 1 , the door installation frame F is a substantially rectangular frame, and a hinged door (hereinafter, abbreviated as 'door D') may be installed at an inner end thereof. More specifically, the door installation frame (F) has a predetermined step (Frame-edge, F-e) in which the edge portion of the door (D) is accommodated is formed on the end surface corresponding to the opening direction of the door (D), The edge portion of the door D is molded to the step F-e formed in the door installation frame F during closing, so that a gap with the outside can be blocked.

Meanwhile, as shown in FIGS. 1 and 2 , the anti-door closing device 100 according to an embodiment of the present invention is an installation bracket panel portion 110 mediating installation on the inside of the door installation frame F. ), the anti-door closing fixing part 130 that rotates in the front and rear horizontal direction with respect to the installation bracket panel part 110, and the rotation connector interconnecting the installation bracket panel part 110 and the anti-door closing fixing part 130. (120).

Hereinafter, the direction in which the door D is opened is defined as 'front', and the direction in which the door D is closed is defined as 'rear', and the anti-door closing fixture 130 rotates vertically arranged up and down. It will be described assuming that the connector 120 is pivoted and moved in the forward and backward directions.

As referenced in FIGS. 1 and 2 , the installation bracket panel portion 110 is provided on a relatively upper side and has an upper coupling portion 111a to which the upper end of the pivot connector 120 is connected. 110a) and a lower bracket portion 110b provided at a relatively lower side and provided with a lower coupling portion 111b to which the lower end of the pivot connector 120 is connected.

The upper bracket portion 110a and the lower bracket portion 110b are to be firmly fixed on a vertical frame adjacent to the pivoting center end of the door D among the inside of the door installation frame F through a fixing screw, not shown. The upper coupling portion 111a and the lower coupling portion 111b are formed to protrude a predetermined length to the outside of the upper bracket portion 110a and the lower bracket portion 110b, respectively, and the upper coupling portion 111a and the lower coupling portion 111a Between the coupling parts 111b, the pivot connector 120 may be movably coupled in an axial rotation and an axial direction.

More specifically, the upper coupling part (111a) is provided in the form of a boss opening downward to accommodate the upper end of the upper elastic member (113a) to be described later, and the lower coupling part (111b) is a lower elastic member (113b) to be described later. It is provided in the form of a boss open upward to accommodate the lower end of the upper coupling portion 111a and the lower coupling portion ( 111b) can be axially moved between them.

As referenced in FIG. 2, the pivot connector 120 has an upper accommodating portion 121a in the form of a groove in which the lower end of an upper elastic member 113a to be described below is accommodated at the upper end, and a lower elastic member to be described later at the lower end. The lower accommodating portion 121b in which the upper end of 113b is accommodated may be provided in the form of a groove.

Meanwhile, in the anti-door closing device 100 according to an embodiment of the present invention, as shown in FIGS. 1 and 2 , the upper coupling part 111a and the lower coupling part 111b of the installation bracket panel unit 110 ), the upper elastic member 113a disposed between the pivot connector 120 and elastically pivoting the pivot connector 120 forward to rotate the above-described anti-door closing fixing part in the anti-closing direction, and the pivot connector 120 elastically pivoting backward. It may further include a lower elastic member 113b for rotating the above-described anti-door closing fixing unit in the closing direction.

In particular, as shown in FIG. 3, the upper end of the upper elastic member 113a is received and supported by the upper coupling part 111a, and the lower end of the upper elastic member 113a is formed on the upper end of the pivot connector 120. The accommodating portion 121a may be accommodated and supported. In addition, the lower end of the lower elastic member 113b is accommodated and supported in the lower coupling part 111b, and the upper end of the lower elastic member 113b is accommodated in the lower receiving part 121a formed at the lower end of the pivot connector 120. can be supported

Here, the upper elastic member 113a may be provided to elastically support the anti-door closing fixing part 130 in only one direction of the anti-closing direction or the closing direction in consideration of the weight of the anti-door closing fixing part 130. In consideration of the weight of the anti-door closing fixing part 130, the lower elastic member 113b may be provided so that the anti-door closing fixing part 130 elastically supports only one of the anti-closing direction and the closing direction.

For example, based on the case where the anti-door closing fixing part 130 is located in the middle of the anti-closing direction and the closing direction, the lower elastic member 113b rotates the pivot connector 120 in the anti-closing direction. The anti-door closing fixing part 130 can be continuously elastically supported in the direction where the gap between the pivoting coupling end of the door D and the door installation frame F is located.

Conversely, based on the case where the anti-door closing fixing part 130 is located in the middle of the anti-closing direction and the closing direction, the upper elastic member 113a rotates the pivot connector 120 in the closing direction so that the anti-door closing The fixing part 130 may be continuously elastically supported in a direction away from the rotational coupling end of the door D.

Here, as referenced in FIG. 2, the upper end of the lower coupling portion 111b formed on the lower bracket portion 110b of the lower portion 127 of the pivot connector 120 and the installation bracket panel portion 110 has a tapered bonding surface. can be combined to have That is, the lower end 127 of the pivot connector 120 and the upper end 117 of the lower coupling part 111b are mutually inclined and molded, so that when the pivot connector 120 pivots forward or backward, the inclined joint is formed. The pivot connector 120 is moved in the axial direction by the surfaces 117 and 127.

The upper elastic member 113a and the lower elastic member 113b are provided to have a restoring force to the extent that any rotation according to the weight of the anti-door closing fixture 130 is impossible unless any external force is provided from the user. desirable.

Therefore, the user, in the state where the anti-door closing device 100 according to an embodiment of the present invention is installed on the door installation frame (F), when anti-closing through the anti-door closing fixing part 130 is required, any By providing an external force, the anti-door closing fixing part 130 is pivoted forward to position it in the gap between the rotation center end of the door D and the door installation frame F, and on the contrary, anti-door closing fixing part 130 through the anti-door closing fixing part 130 When closing is not required, the door D may be closed by rotating the anti-door closing fixing part 130 backward by providing an arbitrary external force.

Meanwhile, as shown in FIGS. 1 and 2 , the anti-door closing fixing part 130 interlocks with the pivot connector 120 via the pivot leg 122 integrally extending from the outer circumferential surface of the pivot connector 120. can be mutually coupled.

Here, as referenced in FIG. 2, the pivoting leg 122 extends from the outer circumferential surface of the pivoting connector 120 to the extension leg 123 and from the tip of the extension leg 123 in the horizontal direction, bending and extending the anti-door closing It may include a coupling leg 125 inserted into and coupled to the fixing part 130 .

In addition, a guide leg (not shown) may be detachably provided at the front end of the coupling leg 125 among the pivoting legs 122 . The guide leg is coupled to the front end of the coupling leg 126 inserted into the anti-door closing fixing part 130 to prevent vertical separation, and also to rotate the door installation frame F and the door D described above. In order to adjust the length according to the gap difference between the center ends, it may play a role of guiding the anti-door closing fixture 130 when it moves horizontally.

Meanwhile, as shown in FIGS. 1 and 2 , the anti-door closing fixing part 130 is formed in a substantially cube shape and interlocks with the rotation of the axis of the rotation connector 120. It can be swing-rotated forward or backward about the pivot axis.

In particular, at one corner of the anti-door closing fixing part 130, as shown in FIG. 3, the edge cutting end 130e matching the step F-e formed at the inner end of the door installation frame F is cut. can be formed The edge cut edge (130e) is the step of the door installation frame (F) when the anti-door closing fixing part 130 is rotated forward and positioned between the center end of the rotation of the door (D) and the gap between the door installation frame (F). (F-e) It is preferable that the incision is formed in a size in which planes are in contact without interference.

As the anti-door closing fixing part 130 is caught on the step F-e of the door installation frame F by the edge cut end 130e, the door D is rotated in the closing direction by wind, such as a gust of wind, and transmitted. It does not separate or rotate arbitrarily even with strong rotational force, so it can stably perform the anti-closing function.

On the other hand, the step (F-e) formed on the door installation frame (F) is different for each manufacturer, and the thickness of the door (D) is also different for each manufacturer, depending on the state of the door (D) installed on the door installation frame (F). Accordingly, the gap between the door installation frame (F) and the pivoting central end of the door (D) may be different from each other.

Here, in the anti-door closing fixing part 130, a part of the coupling leg 125 of the rotation legs 122 is horizontally inserted and coupled, and the horizontal slit 131 is capable of relative movement in the horizontal direction with respect to the coupling leg 125. ) can be formed.

The horizontal slit 131 is formed so that its depth is approximately up to the middle of the anti-door closing fixing part 130, and a guide slit 133 penetrating vertically can be formed at the inner end of the horizontal slit 131. have.

Through the guide slit 133, the above-described guide leg is inserted and coupled to the front end of the coupling leg 125, and the anti-door closing fixture 130 is coupled to the guide slit 133 in the horizontal direction via the guide leg. The sliding movement can be guided.

That is, as the anti-door closing fixing part 130 is provided to move in a relatively horizontal direction with respect to the coupling leg 125 of the pivot connector 120, the diversity of manufacturers of various door installation frames (F) and doors (D) It is possible to maximize the versatility of the product by adjusting the difference in the gap according to the product.

4a and 4b are front views showing a state of the door during anti-closing and closing of the door, FIGS. 5a and 5b are side views showing a state of the door during anti-closing and closing of the door, and FIG. 6 is a view of FIG. 2 It is a partially projected perspective view for explaining the operation of the pivot connector during construction, FIG. 7 is a plan view for explaining the operation during anti-closing of the door, and FIG. 8 is a plan view for explaining the operation during door closing. .

The anti-closing and closing state of the door D using the anti-door closing device 100 according to an embodiment of the present invention configured as described above will be briefly described as follows.

First, as shown in FIGS. 4A and 5A , in a state in which the door D is opened at least 90 degrees, the user performs anti-door closing during construction of the anti-door closing device 100 according to an embodiment of the present invention. Rotate the fixing part 130 forward.

At this time, the anti-door closing fixing part 130 is rotated and positioned in the gap between the door installation frame F and the pivoting center end of the door D, and the edge cut end 130e of the anti-door closing fixing part 130 It is preferable to rotate the door installation frame F so as to be caught so as to accommodate the step F-e portion of the door installation frame F.

Here, as referenced in FIG. 6 , the lower elastic member 113b is compressed downward and at the same time provides restoring force so that the pivot connector 120 rotates in the closing direction. Since the restoring force is small, it is not rotated in the closing direction unless a user provides an arbitrary external force. Furthermore, in order for the pivot connector 120 to rotate backward, the lower end 127 of the pivot connector 120 and the upper end 117 of the lower coupling portion 111b must rotate along the mutually tapered joint surface. It is required that any strong external force be provided.

On the other hand, as shown in (a) of FIG. 7, when the anti-door closing fixing part 130 is inserted into the gap between the door installation frame F and the center end of the rotation of the door D, the door D The door (D) is rotatable (Y) until the end surface of the rotation center end and the front of the anti-door closing fixing part 130 come into contact (Y), but as shown in (b) of FIG. 7, once the door (D) When the end surface of the pivoting center end of ) is in contact with the anti-door closing fixing part 130, even if the door D has strong rotational force due to wind such as gusts, it is caught in the step F-e of the door installation frame F. As the door D is no longer rotated by the anti-door closing fixing part 130 therein, sudden closing of the door D can be prevented.

Next, as shown in FIGS. 4B and 5B, when the user wants to close the door D, the anti-door closing fixing part of the anti-door closing device 100 according to an embodiment of the present invention is configured by the user. (130) is rotated backward.

Here, as referenced in FIG. 6, the lower end 127 of the pivot connector 120 and the upper end 117 of the lower coupling part 111b are rotated along the mutually tapered joint surface, and the pivot connector 120 moves in the axial direction. It moves upward by 'd' (linear movement), and the anti-door closing fixing part 130 is swing-rotated in the opposite direction so that it can be in close contact with the inside of the door installation frame (F).

At this time, as the anti-door closing fixing part 130 is removed between the door installation frame F and the pivoting central end of the door D, the user can safely close the door D.

Meanwhile, as shown in FIG. 8 , since the step F-e of the door installation frame (F) is different for each manufacturer of the door installation frame (F) or door (D), the anti-door closing fixing part (130) is to compensate for this. ) moves horizontally along the horizontal slit 131 by at least 'd1', so it can be installed and applied to the door installation frame (F) of any manufacturer, so the versatility of the product can be greatly improved.

In the above, the anti-door closing device according to an embodiment of the present invention has been described in detail with reference to the accompanying drawings. However, it should be taken for granted that the embodiments of the present invention are not necessarily limited by the above-described embodiment, and various modifications and implementation within the equivalent range are possible by those skilled in the art to which the present invention belongs. will be. Therefore, it will be said that the true scope of the present invention is determined by the claims described later.

F: Door installation frame Fe: Step difference
D: door 100: anti-door closing device
110: installation bracket panel portion 110a: upper bracket portion
110b: lower bracket part 111a: upper coupling part
111b: lower coupling part 113a: upper elastic member
113b: lower elastic member 120: pivot connector
121a: upper accommodating portion 121b: lower accommodating portion
122: rotation leg 123: extension leg
125: coupling leg 130: anti-door closing fixture
130e: edge cut 131: horizontal slit
133: guide slit

Claims (4)

Installation bracket panel portion installed inside the door installation frame;
an anti-door closing fixing unit that rotates in the front and rear horizontal directions with respect to the installation bracket panel unit; and
a pivot connector interconnecting the installation bracket panel portion and the anti-door closing fixing portion; including,
The anti-door closing fixing part is formed in the shape of a cube, and the door is opened and is inserted by an elastic member into the gap between the pivoting center end of the door and the door installation frame, and is in contact with the end surface of the pivoting center end of the door. ,
The installation bracket panel portion,
an upper bracket having an upper coupling portion to which an upper end of the pivot connector is connected; and
a lower bracket having a lower coupling portion to which a lower end of the pivot connector is connected; including,
The pivoting connector moves in the axial direction between the upper and lower engaging parts when the anti-door closing fixing part rotates forward or backward in the rotational direction,
An upper elastic member for elastically supporting the pivot connector forward is provided between the pivot connector and the lower coupling part,
An anti-door closing device, wherein a lower elastic member for elastically supporting the pivot connector to the rear is provided between the pivot connector and the upper coupling part. delete The method of claim 1,
The anti-door closing fixing part moves in the axial direction in conjunction with the pivot connector,
An anti-door closing device, wherein an edge cutout is formed at one corner of the anti-door closing fixing part to conform to a frame step formed in the door installation frame corresponding to the gap. The method of claim 1,
The lower end of the pivot connector and the upper end of the lower coupling part are coupled to have a tapered joint surface,
The anti-door closing fixing part is interlocked with the pivot connector via a pivot leg integrally extending from the outer circumferential surface of the pivot connector,
The anti-door closing device wherein a part of the pivoting leg is horizontally inserted and coupled to the anti-door closing fixing part, and a horizontal slit is formed to enable relative movement in a horizontal direction with respect to the pivoting leg.

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