WO2023214595A1

WO2023214595A1 - Functional hinge

Info

Publication number: WO2023214595A1
Application number: PCT/KR2022/006259
Authority: WO
Inventors: 진복환
Original assignee: 진복환
Priority date: 2022-05-02
Filing date: 2022-05-02
Publication date: 2023-11-09

Abstract

The present invention relates to a functional hinge used for an entrance/exit door, a ship door, or a shelf that can be folded or unfolded, the hinge comprising: a first bracket having a first cylinder formed thereon; a second bracket having a second cylinder formed on the upper or lower portion of one side thereof so as to communicate with the first cylinder; a shaft installed to penetrate upper and lower portions of one side of the first and second brackets while being coupled to the second bracket, a guide groove being formed on the outer surface of the shaft so as to correspond to the first cylinder; a first mold installed so as to move upwards/downwards by a predetermined height inside the first cylinder, a first shaft hole being formed at the center of the first mold such that the shaft is fitted thereto, a hole being formed through a side surface of the first mold toward the first shaft hole, and an operating protrusion being formed on one of upper and lower ends of the first mold; a guide ball fitted into the hole of the first mold and configured to be forced against the shaft and to move while being elastically supported by a spring; an elastic spring installed on the first cylinder so as to elastically support the first mold so as to move upwards/downwards by a predetermined height; and a second mold coupled to the second cylinder, first and second ratchets being formed on one of upper and lower end surfaces of the second mold such that the operating protrusion of the first mold moves along same so as to move the first mold upwards/downwards, and such that opening/closing of the entrance/exit door is controlled.

Description

functional hinges

The present invention relates to functional hinges, and more specifically, to functional hinges that can be used for entrance doors, ship doors, car doors, shelves that can be folded or unfolded, etc.

As a technology to keep the door open at a certain angle and prevent the door from suddenly closing, Korean Patent Publication No. 10-2015-0040499 (published on April 15, 2015) provides a door hinge using a cam.

The invention includes a first hinge bracket having at least two pin supports on the same axis; a second hinge bracket formed with at least one pin support portion positioned between the pin supports; A shaft pin fixed to a first pin support part among the pin supports and installed to extend into the pin support part; a control pin fixed to the last pin support among the pin supports and extending into the pin support so as to be coaxial with the shaft pin; a slide cam fixed to the shaft pin and sliding only in the axial direction while receiving elastic support from an elastic spring inserted into the shaft pin; and a rotation cam that is supported by the control pin and installed in engagement with the slide cam, and rotates together with the second hinge bracket.

However, according to this configuration, the door is closed when more than a certain force is applied in the closing direction when the door is open, so there is a disadvantage that it can easily close when, for example, a strong wind blows.

There was a safety problem for the elderly, infants, dogs, etc. due to sudden door closing and increased noise due to door closing too easily, and in the past, there was no safety door that could be closed by applying a separate artificial force.

The present invention is intended to provide a functional hinge that prevents the door from closing when opened at a certain angle and allows the door to close when opened at a certain angle.

The purpose of the present invention is to provide a functional hinge for a safe entrance door that anyone can easily open and close.

The present invention relates to a functional hinge used in a connecting axis that can be used to fold or unfold a shelf or desk.

This invention

In functional hinges,

A first bracket having a first cylinder formed on the upper or lower side of one side; a second bracket having a second cylinder formed on an upper or lower side of one side to communicate with the first cylinder; a shaft installed through upper and lower portions of one side of the first and second brackets, coupled to the second bracket, and having a guide groove formed on an outer surface corresponding to the first cylinder; It is installed to be raised and lowered at a certain height inside the first cylinder, and a first shaft hole is formed in the center to fit the shaft, a hole is formed on the side toward the first shaft hole, and an operating protrusion is provided on one end of the upper and lower cylinders. A first mold formed; a guide ball that is inserted into a hole of the first mold and moves along the guide groove by being in close contact with the shaft while being elastically supported by a spring; an elastic spring installed in the first cylinder to elastically support the first mold to be raised and lowered at a certain height; And it is coupled to the second cylinder, wherein a second shaft hole is formed in the center so that the shaft is inserted, and an operating protrusion of the first mold moves on one of the upper and lower surfaces to lift and lower the first mold, It is configured to include; a second mold in which first and second ratchets are formed to control the opening and closing of the door.

Guide holes are formed on both sides of the bottom of the first cylinder, and lifting guide pins are formed on both sides of the first mold to fit into the guide holes.

The guide groove of the shaft includes a first horizontal section formed so that the guide ball moves left and right and rises to a certain height when the door is opened at a certain angle; a second horizontal section formed parallel to the top or bottom of the first horizontal section and in which the guide ball moves left and right until the door is opened at a certain angle or more and then closed; and a vertical section that causes the guide ball to move vertically from the second horizontal section to the first horizontal section when the door is closed, and when the door is opened by a certain angle or more, the guide ball moves from the first horizontal section to the shaft. It is formed to pass over the outer surface of to the second horizontal section.

The first ratchet of the second mold is formed so that the operating protrusion rides over and does not return when the door is opened at a certain angle, and the second ratchet is formed so that the operating protrusion rides up and does not return when the door is opened at a certain angle or more. While it is formed to push up the first mold, the second ratchet is formed to be higher than the height of the first ratchet.

The first cylinder of the first bracket, the second cylinder of the second bracket, and the guide groove of the shaft are formed symmetrically at the top and bottom, and the first mold, guide ball, elastic spring, and second mold are formed as an upper and lower pair. .

According to the functional hinge for a door of the present invention, the door can be closed only when the door is opened at a certain angle and further opened at a certain angle, thereby preventing the door from being easily closed by external pressure such as strong wind.

The present invention is a very useful invention as it can reduce noise and open and close safely at the same time, preventing accidents caused by sudden door closing for the general public, the elderly, infants, and dogs.

Figures 1 and 2 are diagrams showing the state of use of functional hinges installed at different angles applied to an entrance door to which the present invention is applied.

Figure 3 is an exploded perspective view of a functional hinge to which the present invention is applied.

Figure 4 is a cross-sectional view showing a functional hinge to which the present invention is applied.

Figure 5 is a side cross-sectional view showing a functional hinge to which the present invention is applied.

Figure 6 is a perspective view showing a first mold and a second mold of a functional hinge to which the present invention is applied.

Figure 7 is a perspective view showing a first mold and a second mold of another embodiment of the present invention.

Figure 8 is an exploded perspective view showing a functional hinge to which the present invention is applied.

Figure 9 is a state diagram showing the structure of the functional hinge of the present invention in the guide groove of the shaft.

Figure 10 is a state diagram showing the structure of the guide groove of the shaft in another embodiment of the present invention.

Figure 11 is an operating state diagram of a functional hinge formed for an entrance door to which the present invention is applied.

Figure 12 is a diagram showing the operating state of the first mold and the second mold of the functional hinge of the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention. While describing each drawing, similar reference numerals are used for similar components.

Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component without departing from the scope of the present invention, and similarly, the second component may also be named a first component. The term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, terms such as "include" or "have" are intended to designate the presence of features, numbers, steps, movements, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features or It should be understood that this does not exclude in advance the possibility of the presence or addition of numbers, steps, movements, components, parts, or combinations thereof.

A preferred embodiment of the present invention will be examined in detail based on the attached drawings.

According to the functional hinge of the present invention, as shown in FIGS. 1 to 12, a first bracket 100 having a first cylinder 110 formed on an upper or lower side of one side; a second bracket 200 on which a second cylinder 210 is formed to communicate with the first cylinder; A shaft 300 installed through the upper and lower portions of one side of the first and second brackets, coupled to the second bracket, and having a guide groove 310 formed on an outer surface corresponding to the first cylinder;

It is installed to be raised and lowered at a certain height inside the first cylinder, and a first shaft hole 410 is formed in the center to fit the shaft, and a hole 420 is formed on the side toward the first shaft hole, forming an inclined surface. A first mold 400 formed with an operating protrusion 430a and a locking protrusion 430b;

a guide ball 500 that is inserted into the hole of the first mold and moves along the guide groove 310 by being in close contact with the shaft while being elastically supported by a spring 510; An elastic spring 600 installed in the first cylinder to elastically support the first mold to be raised and lowered to a certain height; and

A second mold 700 is formed, which is coupled to the second cylinder and has a second shaft hole 710 and first and

second ratchets

720a and 720b at the center so that the shaft 300 is inserted. The operating protrusion 430a of the first mold moves along the surface of the first ratchet 720a to raise and lower the first mold so that the first bracket is released from the locked state. .

In one embodiment, the first bracket 100 is installed on a door, and can be formed by installing the first cylinder 110 at the top or bottom of one side.

In the present invention, installation is possible on the upper surface where the first and second brackets are joined, but an example of installation on the lower surface will be described.

The first cylinder 110 is formed to rise and fall at a certain height while preventing the first mold 400 from rotating within it.

Guide holes 111 are formed on both sides of the bottom of the first cylinder 110 as a means to elevate and lower the first mold 400, which will be described later, to a certain height while preventing it from rotating within the first cylinder 110. Accordingly, the lifting guide pins 411 of the first mold 400, which will be described later, are fitted into the guide holes 111, respectively. At this time, as shown in FIG. 5, the guide hole 111 is formed in the form of a long hole or larger than the diameter of the guide pin so that the guide pin 411 does not get in the way when moving up and down, and is formed to minimize friction to enable raising and lowering. desirable.

The second bracket 200 is installed on the door frame, and a second cylinder 210 is formed at the upper or lower side of the second bracket 200 to communicate with the first cylinder 110. The second mold 700, which will be described later, can be fixed to the second cylinder 210 of the second bracket 200 using pressure fitting, fixing bolts, or welding so that it does not rotate and does not move up and down.

As shown in FIG. 3, bolts or stoppers 310 are fastened to the upper and lower parts of the second bracket 200 to protect the shaft 300 and the second mold 700, which will be described later, and to prevent foreign substances from entering. It blocks.

In another embodiment, the stopper formed at the top has the feature that it can be combined by forming a shaft mounting hole.

The shaft 300 is installed through the upper and lower portions of one side of the first and

second brackets

100 and 200, is coupled and fixed to the second bracket 200, and has an outer surface corresponding to the first mold. A guide groove 310 is formed.

The second ratchet of the second mold is,

In the process of opening the door at a certain angle, the rocking protrusion is formed to support the first mold so that it does not fall, and the first ratchet pushes the first mold while the operating protrusion rides up when the door is opened at a certain angle. While it is formed to raise

The first ratchet has the characteristic of being formed lower than the height of the second ratchet.

The guide groove 310 of the shaft includes an opening and closing section 360 in which a horizontal groove 311 is formed through which the guide ball moves left and right when the door is opened at a certain angle; During the opening/closing section, when the door is in a locked state in which the door is not opened at a certain angle or more, a locked state section 370 in which the guide ball moves from the horizontal section to the lower groove 312 having a ramp groove; In order to unlock in the locked state section, the first mold 400 is rotated to pass from the lower groove 312 of the ramp to the horizontal groove 311 along the outer surface of the shaft.

Specifically, the guide groove 310 of the shaft 300 is an open section (in FIG. 6) formed so that the guide ball 500 moves left and right along the guide groove and rises and falls at a certain height when the door is opened at a certain angle. A section formed by points A), (B), (C), (C'), and (D)), the open section indicates a state in which the door is completely open.

When forming the door so that it does not close at a set angle of 15 to 30 degrees, the first mold 400 is provided with a spring so that the locking protrusion 430b of the first mold 400 and the second ratchet 720b are engaged. The door was lowered with a force of and entered a locked state, and the first bracket 100 prevented the door from closing.

As described above, the first mold 400 is located in the lowering section ((A), (B), (C)) on the shaft, which is the lowering section within the first cylinder, and is in a locked state in which the door does not close. will be maintained.

In order to release the LOCK state, the first mold 400 must be placed in the open section, so the unlock sections ((C), (C'), (D), (F), (A) on the shaft. It was formed to be closed. That is, when closing, it is formed to back up and then move forward in the direction of closing the door.

At this time, the first mold 400 is installed to be raised and lowered at a certain height inside the first cylinder, and a first shaft hole 410 is formed in the center to fit the shaft, and a hole (410) is formed on the side toward the guide groove. 420 is formed, and an operating protrusion 430a and a rock protrusion 430b having an inclined surface are formed at the lower portion.

Accordingly, the first mold 400 rotates together with the first bracket 100 when the door is opened, and the operating protrusion 430a moves on the first ratchet 720a of the second mold 700, which will be described later. It goes up and down while doing so.

The first mold 400 has lifting guide pins 411 formed on both sides of the first shaft hole 410, so that it is inserted into the guide hole 111 of the first bracket 100. Through this combination, the first mold 400 is raised and lowered at a certain height without rotating within the first cylinder.

The operating protrusion 430a and the locking protrusion 430b of the first mold 400 may have the same protruding height, or the operating protrusion 430a and the locking protrusion 430b may have different protruding heights.

The guide ball 500 is inserted into the hole 420 of the first mold 400, is elastically supported by the spring 510, and is in close contact with the shaft 300, thereby moving along the guide groove 310. formed to move. That is, the guide ball 500 rotates and goes up and down together with the first mold 400 and moves along the guide groove 310 of the fixed shaft 300.

The elastic spring 600 is installed in the first cylinder 110 to elastically support the first mold to be raised and lowered to a certain height.

The second mold 700 is coupled to the second cylinder and is formed by fixing it to the second shaft hole 710 so that the shaft is inserted into the center, and the first ratchet 720a of the second mold is provided with an operating protrusion. While (430a) rides and moves, the first mold is raised and lowered, and a first ratchet (720a) is formed to control the opening and closing of the door, and the operating protrusion (430b) of the first mold is engaged with the second ratchet (720b). It is formed to be in a locked state that does not close.

The second ratchet 720b of the second mold 700 is formed so as not to return when the door is opened at a certain angle, and the first ratchet 720a operates when the door is opened at a certain angle or more. The protrusion is formed to push up the first mold as it rises, and in this case, the second ratchet (720b) is formed to be lower than or equal to the height of the first ratchet (720a). The first and second ratchets (720a, 720b) have an inclined surface formed in the direction in which the operating protrusion (430a) moves when opening the door, so that when a certain force is applied, the operating protrusion (430a) moves the first ratchet (720a). In order to prevent the door from closing, a cutting surface is formed in the direction in which the locking protrusion 430b moves to prevent the locking protrusion 430b from getting over the second ratchet 720b. With this configuration, when the door is opened at a certain angle, the locking protrusion 430b is caught on the cut surface of the second ratchet 720b, preventing the door from closing.

In the present invention, for example, when opening a door, it opens to within 90 degrees, and when closing, it opens further to 90 degrees or more and then pushes it to close again. At this time, the guide groove 310 of the shaft 300 and the second mold 700 ), the opening and closing angle of the door can be adjusted by changing the turning radius of the first and second ratchets.

In addition, as shown in the present invention, the first cylinder 110 of the first bracket, the second cylinder 210 of the second bracket, and the guide groove 310 of the shaft are formed symmetrically at the top and bottom, and 1 The mold 400, the guide ball 500, the elastic spring, and the second mold 700 may be formed as an upper and lower pair.

Hereinafter, as an example, the present invention will describe the processes of the door closed state, locked state, and unlocked state along with the operation between each component.

When the door is closed, the first and

second brackets

100 and 200 are folded as shown in (A) of FIGS. 9 to 12, and the first mold 400 of the first bracket is in the guide groove 310 of the shaft. It is formed to be located in the opening and closing section of the formed horizontal groove 311, and the locking protrusion of the first mold is located on the upper surface of the second ratchet 720b of the second bracket and is positioned in an elevated state.

The point (locked state) of Figures 9 to 12 (C) is formed so that it cannot be closed at a position set at about 80 degrees. At this time, the first mold 400 has the first bracket 100 at an angle of about 80 degrees. In the open state, the operating protrusion and the locking protrusion of the first mold are positioned between the first ratchet (720a) and the second ratchet (720b) of the second bracket to prevent it from being closed by external force. That is, the operating protrusion 430b of the first mold engages with the second ratchet 720b and is formed to be in a locked state (point C) that does not close.

When the door is to be closed, the operating protrusion 430b of the first mold is engaged with the second ratchet 720b in a locked state so that it can be opened and closed.

The first mold 400 of the first bracket for holding the door on the shaft is formed in a process in which the operating protrusion 430a passes over the inclined surface of the first ratchet 720a ((C), (C'), (D)) As shown in FIG. 12, the first mold 400 rises to a certain height, and as shown in FIG. 9, the guide ball 300 is positioned (D) on the horizontal section of the guide groove 310 of the shaft 300. ), then moves to the opening/closing section ((D), (E), (F), (A)) and closes.

In an example, when the door is opened to 80 degrees (locked state), when it is closed, it moves to the unlocked state and the door is closed.

In the above embodiment, the locked state is set to 80 degrees, but depending on the purpose of use, the locking angle of the hinge can be adjusted to about 10 degrees or within 10 to 90 degrees for entry and exit of a companion animal before installation.

In addition, the present invention is characterized in that the upper and lower connecting portions of the first bracket and the second bracket are locked at different angles.

The functional hinge of the present invention has the feature that it can be selected and used for entrance doors, desks, folding shelves, doors, ship doors, car doors, etc.

Therefore, according to the present invention, the door does not close when opened at a certain angle, but can be closed only when it is opened at a certain angle, thereby preventing the door from being immediately closed by external pressure such as strong wind when the door is opened at a certain angle. do.

[Explanation of symbols]

100: first bracket 110: first cylinder

200: second bracket 210: second cylinder

300: Shaft 310: Guide groove

400: first mold 410: first shaft hole

420: hole 430a: operating protrusion

500: Guide ball 510: Spring

600: elastic spring

700: second mold 710: second shaft hole

720a: first ratchet 720b: second ratchet

Claims

In a functional hinge with a lock function,

A first bracket having a first cylinder formed on the upper or lower side of one side;

a second bracket having a second cylinder formed on an upper or lower side of one side to communicate with the first cylinder;

a shaft installed through upper and lower portions of one side of the first and second brackets, coupled to the second bracket, and having a guide groove formed on an outer surface corresponding to the first cylinder; It is installed to be raised and lowered at a certain height inside the first cylinder, and a first shaft hole is formed in the center so that the shaft is inserted, a hole is formed on the side toward the first shaft hole, and an operating protrusion and a lock are located on either the upper or lower end. A first mold in which protrusions are formed; a guide ball that is inserted into a hole of the first mold and moves along the guide groove by being in close contact with the shaft while being elastically supported by a spring;

an elastic spring installed in the first cylinder to elastically support the first mold to be raised and lowered at a certain height; and an unlocked state of a first ratchet that is coupled to the second cylinder, has a second shaft hole formed in the center to fit the shaft, and lifts and lowers the first mold while the operating protrusion of the first mold moves. A functional hinge comprising: a second mold formed to be in a locked state in which the locking protrusion and the second ratchet are engaged to prevent the first bracket from being folded.
The method according to claim 1, on both sides of the bottom of the first cylinder

A functional hinge, characterized in that guide holes are formed and lifting guide pins are formed on both sides of the first mold to fit into the guide holes.
The method according to claim 1, wherein the guide groove of the shaft is,

An opening and closing section in which a horizontal groove is formed in which the guide ball moves left and right when the door is opened at a certain angle;

A locked state section in which the guide ball moves downward along the ramp groove from the first horizontal section when the door is in a locked state and cannot be opened while the door is opened at a certain angle or more during the opening/closing section;

A functional hinge, characterized in that it is formed to pass from the ramp groove to the horizontal groove along the outer surface of the shaft in order to unlock the lock in the locked state section.
The method according to claim 1, wherein the second ratchet of the second mold is,

In the process of opening the door at a certain angle, the rock protrusion is formed to support the first mold to move over it so that it does not fall,

The first ratchet is formed so that when the door is opened at a certain angle or more, the operating protrusion rides up and pushes up the first mold.

A functional hinge, characterized in that the first ratchet is formed lower than the height of the second ratchet.
The method according to claim 1, comprising: a first mold including a first cylinder of the first bracket and a guide ball forming a spring, a second cylinder and a second mold of the second bracket, and a shaft having a guide groove;

A functional hinge, characterized in that it is formed by respectively installing the upper and lower portions of the first bracket and the second bracket on the shaft.
The method according to claim 1, wherein the upper and lower connecting portions of the first bracket and the second bracket are

A functional hinge characterized in that it is formed to be locked at different angles.
The method of claim 1, wherein the hinge

A functional hinge that can be selected and used for entrance doors, desks, folding shelves, doors, ship doors, and car doors.