KR102682875B1 - Door stopper - Google Patents

Abstract

A door stopper is disclosed that is very easy to install and can fundamentally prevent accidents involving hands getting caught in the space between the door and the door frame. This door stopper is a device that can stop a door rotatably connected to one side of a door frame from being closed, and includes a housing unit, a stopping unit, and an elastic force unit. The housing unit is attached to the door frame by an attachment unit, the first direction is the longitudinal direction, the second direction intersecting the first direction is the width direction, and the third direction intersecting the first and second directions is the thickness direction. It has a shape and has an internal space in which an open portion is formed in the first direction or in a direction opposite to the first direction. The stopping unit includes a base body, at least a portion of which is disposed in the internal space and coupled to the housing unit to be movable in a first direction or in a direction opposite to the first direction, and connected to the base body in one direction parallel to the first direction and at least It includes a stopping body that is partially disposed in the internal space and can move through the open portion of the housing unit when the base body moves in one direction, and may be made of an elastic material. The elastic force unit is disposed in the internal space and may provide elastic force to move the base body in one direction.

Description

DOOR STOPPER

The present invention relates to a door stopper, and more specifically, to a door stopper that can prevent accidents where fingers are caught in the inner door gap of a swing door.

A typical home is equipped with various entrance doors, for example, a door, a front door, etc. These doors are mainly used as swing doors that are easy to open and close and can conveniently operate the locking device from the inside and outside.

Generally, a swing door installed in a home may be composed of a rectangular door frame installed in an open space on the wall, and a door hinged to one side of the door frame by a hinge. At this time, when the door is rotated by the hinge and opened from the door frame, an inner door gap may be formed between the door and one side of the door frame.

Most young children enjoy playing at home by going back and forth between rooms or between their rooms and the living room. Here, when an inner door gap is formed between the door and one side of the door frame, some curious young children may insert their hands into the inner door gap. At this time, if the door is suddenly closed by an external force such as external wind, a serious hand-trapping accident may occur in young children.

As a conventional technology to prevent such serious hand-trapping accidents, Korean Patent No. 10-2015284 states, 'The gap formed between the door and the door frame when the door is opened can be blocked with a foldable screen, thereby forming a gap between the door frame and the door. A 'device for preventing fingers from being caught in an entrance door' is disclosed, which can prevent fingers from being caught in gaps. However, since this device to prevent hand pinching must be attached vertically to one side of the door and the door frame, installation can be very difficult from the user's perspective.

Therefore, the present invention is intended to solve this problem, and the problem to be solved by the present invention is a door stopper that is very easy to install and can fundamentally prevent accidents involving hands being caught in the inner door gap formed on one side of the door and the door frame. is to provide.

The door stopper according to an embodiment of the present invention is a safety device capable of stopping a door rotatably connected to one side of a door frame from being closed, and includes a housing unit, a stopping unit, and an elastic force unit. The housing unit is attached to the door frame by an attachment unit, has a first direction as a longitudinal direction, a second direction intersecting the first direction as a width direction, and a third direction intersecting the first and second directions. It has a shape whose direction is the thickness direction, and has an internal space in which an open portion is formed in the first direction or in a direction opposite to the first direction. The stopping unit includes a base body, at least a portion of which is disposed in the interior space and coupled to the housing unit to be movable in the first direction or in a direction opposite to the first direction, and parallel to the base body and the first direction. It includes a stopping body that is connected in one direction and at least a portion of which is disposed in the interior space and can move through an open portion of the housing unit when the base body moves in the one direction, and may be made of an elastic material. The elastic force unit is disposed in the internal space and may provide elastic force to move the base body in the one direction.

The door stopper is disposed in the interior space and fixed to the base body, and at least a part of the door stopper is hung on the housing unit, so that the door stopper is fixed to prevent the base body from moving in the one direction, and the door stopper is released from the locked state. It may further include a locking unit that can be operated in a released state. At this time, when the locking unit is in the locked state, the base body may be fixed so as not to move in the one direction, and when the locking unit changes from the locked state to the unlocked state, the elastic force unit The base body may be moved in one direction by elastic force.

The locking unit may include a locking part, a locking elastic part, and a guide protrusion. The locking portion has a locking surface that can be hooked on a part of the housing unit so that it can be in the locked state, and the base body moves in a direction opposite to the one direction by an external force, changing from the unlocked state to the locked state. To enable this, at least a portion may have a sliding surface that is inclined or rounded. The engaging elastic portion may be disposed between the engaging portion and the base body to provide a engaging elastic force to the engaging portion so that the engaging portion may be caught by a portion of the housing unit. The guide protrusion is formed to protrude from the locking portion in the third direction, and can be moved along a movement guide hole formed in the housing unit when the base body moves in the one direction or in a direction opposite to the one side direction.

The engaging elastic portion may be formed integrally with the engaging portion to have a U- or V-shaped shape to provide the engaging elastic force.

Inside the housing unit facing the locking portion, a housing locking portion may be formed along the longitudinal direction of the moving guide hole on one or both sides of the moving guide hole. At this time, the housing engaging portion has a housing engaging surface on which the engaging surface of the engaging portion can be caught, and the base body is moved in a direction opposite to the one direction by the external force, thereby changing from the unlocked state to the locked state. The housing may have a sliding surface that is in sliding contact with the sliding surface of the locking portion.

A locking unit receiving groove that can accommodate at least a portion of the locking unit and secure the locking unit may be formed in the base body.

The stopping body includes a stopping main body part arranged to be spaced apart from the base body in the one direction, a connecting body part connecting the base body and the stopping main body part, and the stopping main body part from the stopping main body part. It may include an insertion body portion formed to protrude in one direction.

The insertion body portion may have a shape whose thickness in the third direction decreases as it moves from the stopping main body toward the one side.

The stopping body may further include a bumper body portion protruding from the stopping main body portion in the third direction.

A bumper receiving portion may be formed in the housing unit such that when the locking unit is in the locked state, at least a portion of the bumper body portion can be disposed in the internal space.

The bumper body portion may be formed to be rounded or inclined at least in part so that its thickness in the third direction decreases as it moves toward the one direction.

The connecting body portion may reduce at least a portion of the force applied to the stopping body and transmitted to the base body.

The connection body portion may have a shape that is curved at least once.

The elastic force unit may include a tension spring disposed in the internal space, one end of which is coupled to a portion of the base body, and the other end of which is coupled to a portion of the housing unit.

The tension spring includes a first side tension spring disposed along the one side direction on one side of the base body facing the second direction, and a direction opposite to the second direction in the base body so as to be opposite to the first side tension spring. The other side facing may include a second side tension spring disposed along the one direction. The base body may include a central body part, a first side body part, a second side spring fixing part, the second side body part, and a second side spring fixing part. The central body portion may be disposed between the first and second side tension springs. The first side body portion protrudes from the central body portion in the second direction to cover the first side tension spring, and an end may be disposed to penetrate a first side hole formed in the housing unit. The first side spring fixing part may be formed on one of the first side body part and the central body part, and may be coupled to and fixed to one end of the first side tension spring. The second side body portion protrudes from the central body portion in a direction opposite to the second direction to cover the second side tension spring, and an end may be disposed to penetrate a second side hole formed in the housing unit. The second side spring fixing part may be formed on any one of the second side body part and the central body part, and may be coupled to and fixed to one end of the second side tension spring. The housing unit includes a first housing spring fixing part that can be coupled and fixed to the other end of the first side tension spring, and a second housing spring fixing part that can be coupled to and fixed to the other end of the second side tension spring. can do.

The first side spring fixing part may include a first side spring fixing protrusion fitted and coupled to a ring formed on one end of the first side tension spring, and the second side spring fixing part may be attached to one end of the second side tension spring. It may include a second side spring fixing protrusion that is fitted and coupled to the formed ring, and the first housing spring fixing part may include a first housing spring fixing protrusion that is fitted and coupled to the ring formed at the other end of the first side tension spring. The second housing spring fixing part may include a second housing spring fixing protrusion that is fitted and coupled to a ring formed at the other end of the second side tension spring.

The base body may further include a first handle body portion and a second handle body portion. The first handle body portion may be disposed outside the housing unit, and may be formed to protrude from an end of the first side body portion along at least one of the third direction and a direction opposite to the third direction. The second handle body portion may be disposed outside the housing unit, and may be formed to protrude from an end of the second side body portion along at least one of the third direction and a direction opposite to the third direction.

The housing unit is disposed between the central body portion and the first side tension spring to form a first side side wall portion formed along the first direction, and is disposed between the central body portion and the second side tension spring to form the first side wall portion. It may include a second side wall portion formed along one direction.

The housing unit may include a lower housing body and an upper housing body. The housing upper body may be disposed on a side in the third direction from the housing lower body and may be coupled to the housing lower body to have the internal space in which the open portion is formed.

According to the door stopper according to the present invention, when the door is opened from the door frame and a door gap is about to be formed, the stopping unit automatically moves in one direction by the elastic force unit and is inserted into the door gap, thereby preventing the hand in the door gap. To prevent pinching accidents, it is possible to fundamentally block hand pinching accidents without inserting a separate stopper.

Additionally, since the door stopper only needs to be attached to the door frame, installation is very easy from the user's perspective.

Figure 1 is a perspective view showing a state in which a door stopper according to an embodiment of the present invention is attached to a door frame and operated in an open mode.
Figure 2 is an enlarged perspective view showing only the door stopper of Figure 1.
Figure 3 is a perspective view showing the door stopper of Figure 2 operating in a safe mode.
Figure 4 is an exploded perspective view showing the door stopper of Figure 3 disassembled.
Figure 5 is a perspective view for explaining the lower housing body and the upper housing body in the door stopper of Figure 3.
Figure 6 is a perspective view for explaining the stopping unit and the locking unit of the door stopper of Figure 3.
Figure 7 is a perspective view showing the stopping unit of Figure 6 turned over.
FIG. 8 is a perspective view of the operation of the door stopper of FIG. 1 for changing from open mode to safe mode or from safe mode to open mode.
FIG. 9 is a perspective view illustrating a process of stopping by a stopping unit when a door is about to close while the door stopper of FIG. 8 is operating in a safe mode.

Since the present invention can be subject to various changes and can have various forms, specific embodiments will be illustrated in the drawings and described in detail in the text.

However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention. 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 referred to as a second component, and similarly, the second component may be referred to as the first component without departing from the scope of the present invention.

The terms used in this application are merely used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, 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, operations, components, parts, or combinations thereof.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings.

Figure 1 is a perspective view showing a state in which a door stopper according to an embodiment of the present invention is attached to a door frame and operated in an open mode, Figure 2 is an enlarged perspective view showing only the door stopper of Figure 1, and Figure 3 is a drawing It is a perspective view showing the door stopper in 2 operating in a safe mode, Figure 4 is an exploded perspective view showing the door stopper in Figure 3 disassembled, and Figure 5 is a housing lower body and housing upper body in the door stopper in Figure 3. is a perspective view for explaining, Figure 6 is a perspective view for explaining the stopping unit and the locking unit of the door stopper of Figure 3, and Figure 7 is a perspective view showing the stopping unit of Figure 6 turned over.

1 to 7, the door stopper according to this embodiment is a stopper device capable of stopping the door 20 rotatably connected to one side of the door frame 10. For example, the door stopper may be mounted on a door frame equipped with a swing door, for example, a door or a front door, and stop the swing door from closing when it is opened and then tried to close again.

The door stopper may include a housing unit 100, a stopping unit 200, and an elastic force unit 300.

The housing unit 100 may be attached to the door frame 10 by an attachment unit (not shown). At this time, the attachment unit may be a double-sided adhesive tape or a screw. When the attachment unit is the screw, the housing unit 100 may include at least one screw engaging portion (not shown) formed to be fixed to the door frame 10 through the screw.

The housing unit 100 has a first direction D1 as a longitudinal direction, a second direction D2 crossing the first direction D1 as a width direction, and the first and second directions ( It may have a shape with the third direction D3 intersecting D1 and D2) as the thickness direction. At this time, the first, second, and third directions D1, D2, and D3 may substantially intersect each other perpendicularly. The housing unit 100 may have an internal space in which an open portion 102 is formed in the first direction D1 or in a direction opposite to the first direction D1.

The housing unit 100 may be formed as an assembly of two or more housing bodies. For example, the housing unit 100 may be an assembly of a lower housing body 100A and an upper housing body 100B. The housing lower body 100A may be attached to the door frame 10 by the attachment unit. The housing upper body 100B is disposed on the third direction D3 from the housing lower body 100A, and is coupled to the housing lower body 100A to have the internal space in which the open portion 102 is formed. It can be.

The housing lower body (100A) may include a housing lower side wall (HW1) and at least one housing lower coupling portion (HC1) for being coupled to the housing upper body (100B), and the housing upper body (100B) It may include a housing upper side wall (HW2) to be coupled to the housing lower body (100A) and at least one housing upper coupling portion (HC2). The housing lower side wall (HW1) and the housing upper side wall (HW2) may be coupled by fitting. For example, a protrusion may be formed on one of the housing lower side wall (HW1) and the housing upper side wall (HW2), and the protrusion may be formed on the other of the housing lower side wall (HW1) and the housing upper side wall (HW2). A stepped portion may be formed to accommodate and couple the protrusion. In addition, as the screw at the bottom of the housing lower coupling part HC1 sequentially penetrates and couples the housing lower coupling part HC1 and the housing upper coupling part HC2, the housing lower body 100A and the housing The upper bodies 100B may be strongly coupled to each other. The housing lower coupling portion HC1 and the housing upper coupling portion HC2 may be formed at positions corresponding to four corners of the housing unit 100, respectively.

The stopping unit 200 is arranged to at least partially overlap the housing unit 100, and may be made of an elastic material, for example, a rubber material such as TPU or TPE. The stopping unit 200 is at least partially inserted into the door gap formed between the door 20 and one side of the door frame 10 when the door 20 is opened from the door frame 10, so that the door 20 ) can be stopped.

The stopping unit 200 may include a base body 210 and a stopping body 220. The base body 210 may be coupled to the housing unit 100 so that at least a portion of the base body 210 is disposed in the internal space and can be moved in the first direction D1 or in a direction opposite to the first direction D1. The stopping body 220 is connected to the base body 210 in one direction (DI) parallel to the first direction (D1), and at least a portion of the stopping body 220 is disposed in the internal space and is connected to the base body 210. When moving in the one direction DI, it may move through the open portion 102 of the housing unit 100.

The elastic force unit 300 may be disposed in the internal space to provide elastic force to move the base body 210 in the one direction DI. At this time, when the door 20 changes from a closed state to the door frame 10 to an open state from the door frame 10, the base body 210 is automatically activated by the elastic force of the elastic force unit 300. By moving in the one direction DI, at least a portion of the stopping body 220 may be inserted into the space formed between the door frame 10 and the door 20.

The door stopper is disposed in the internal space and fixed to the base body 210, and at least a part of it is hung on the housing unit 100 to prevent the base body 210 from moving in the one direction DI. It may further include a locking unit 400 capable of fixing the base body 210. At this time, a locking unit receiving groove 210a that can accommodate at least a portion of the locking unit 400 and fix the locking unit 400 may be formed in the base body 210.

At least a portion of the locking unit 400 is caught on the housing unit 100, for example, the upper housing body 100B, so that the base body 210 is not moved in the one direction DI. It can be operated in a state and a jam release state where the jam is released from the jam state.

When the locking unit 400 is in the locked state as shown in FIG. 2, the base body 210 may be fixed so as not to move in the one direction DI. For example, when the locking unit 400 is in the locked state, the stopping body 220 is entirely inserted into the internal space and disposed, or is positioned in the one direction (DI) of the stopping body 220. ) The remaining portion, excluding only a portion of the end, may be inserted and disposed into the internal space.

When the locking unit 400 is changed from the locked state to the unlocked state as shown in FIG. 3, the base body 210 will be moved in the one direction DI by the elastic force of the elastic force unit 300. You can. That is, the stopping body 220 can move in the one direction DI through the open portion 102 of the housing unit 100, and as a result, a part of the stopping body 220 is connected to the housing unit. It can be exposed to the outside of (100).

The locking unit 400 may include a locking portion 410, a locking elastic portion 420, and a guide protrusion 430.

The locking portion 410 has a locking surface 412 that can be hooked on a part of the housing upper body 100B so that it can be in the hooked state, and the base body 210 is moved in the one direction (DI) by an external force. ) may have a sliding surface 414 that is at least partially inclined or rounded so that it can be changed from the unlocked state to the locked state by moving in the opposite direction.

The catching elastic part 420 is disposed between the catching part 410 and the base body 210 so that the catching part 410 can be caught on a part of the housing upper body 100B. ) can provide hanging elasticity. At this time, the engaging elastic portion 420 may be formed integrally with the engaging portion 410 to have a U- or V-shaped shape to provide the engaging elastic force 420. The locking elastic portion 420 may be inserted and fixed into the locking unit receiving groove 210a. At this time, the engaging elastic portion 420 and the engaging unit receiving groove 210a may be coupled by fitting. Alternatively, the locking elastic part 420 may be at least one compression spring disposed between the locking part 410 and the base body 210.

At least one fitting hole 422 or at least one fitting groove is formed in the engaging elastic part 420, and the bottom surface of the engaging unit receiving groove 212 is inserted into the fitting hole 422 or the fitting groove. At least one fitting protrusion 212a may be formed. Alternatively, at least one fitting protrusion may be formed on the bottom surface of the engaging elastic portion 420, and at least one fitting groove or at least one fitting hole may be formed on the bottom surface of the engaging unit receiving groove 212. there is.

The guide protrusion 430 may be formed to protrude from the locking portion 410 in the third direction D3. For example, the guide protrusion 430 protrudes from the sliding surface 414 of the locking portion 410 along the third direction D3, and the base body 210 moves in the one direction DI or When moving in the direction opposite to the one-side direction DI, it can move along the movement guide hole 110 formed in the upper body of the housing 100B. At this time, the movement guide hole 110 may be formed along the one direction DI.

Inside the housing upper body 100B facing the locking portion 410, a housing locking portion 120 is provided on one or both sides of the movable guide hole 110 along the longitudinal direction of the movable guide hole 110. can be formed. In Figure 5, an example in which the housing locking portion 120 is formed on both sides of the moving guide hole 110 is shown.

The housing engaging portion 120 has a housing engaging surface 122 on which the engaging surface 412 of the engaging portion 410 can be caught, and the base body 210 moves in the one direction (DI) by the external force. It may have a housing sliding surface 124 that slides in contact with the sliding surface 414 of the locking portion 410 so that it can be moved in the opposite direction and change from the unlocked state to the locked state. At this time, at least a portion of the housing sliding surface 124 may have a rounded or inclined surface.

In this embodiment, when the locking unit 400 is in the locked state as shown in FIG. 2, the door stopper may be operated in 'open mode'. In the open mode, the stopping surface 412 of the engaging portion 410 is in contact with the housing engaging surface 122, and the stopping body 220 can be inserted into the internal space and fixed. there is. At this time, when the user presses the guide protrusion 430 in the direction opposite to the third direction D3, the engaging surface 412 of the engaging portion 410 is released from contact with the housing engaging surface 122. Thus, the base body 210 can be moved in the one direction DI by the elastic force of the elastic force unit 300. As a result, at least a portion of the stopping body 220 may be exposed to the outside of the housing unit 100, and the door stopper may be operated in 'safe mode'. Thereafter, when the user applies force to the stopping body 220 in a direction opposite to the one direction DI, the sliding surface 414 of the engaging portion 410 contacts the housing sliding surface 124. By sliding, the engaging surface 412 of the engaging portion 410 may come into contact with the housing engaging surface 122 to return to the hanging state. That is, the door stopper can return to 'open mode'.

Referring back to FIGS. 6 and 7 , the stopping body 220 may include a stopping main body 222, a connecting body 224, and an insertion body 226. The stopping main body portion 222 may be arranged to be spaced apart from the base body 210 in the one direction DI. The connecting body portion 224 may connect between the base body 210 and the stopping main body portion 222. The insertion body portion 226 may be formed to protrude from the stopping main body portion 222 in the one direction DI.

The connection body portion 224 may have a function of reducing at least part of the force applied to the stopping body 220 and transmitted to the base body 210 (hereinafter referred to as a 'shock transmission reduction function'). Here, the force applied to the stopping body 220 causes the door 20 to open from the door frame 10, forming a space between the door frame 10 and the door 20, and inserting the insertion body ( After 226) is inserted between the door frame 10 and the door 20, when the door 20 is about to be closed again by an external force, the inner end of the door 20 is pressed against the stopping body 220. It can mean the force applied.

For example, the connection body portion 224 may have a shape that is curved at least once in order to perform the shock transmission reduction function. Preferably, as shown in the drawing, the connection body portion 224 may have a twice bent shape. In this embodiment, the fact that the connection body 224 has a shape that is bent at least once means that the connection body 224 is a plane formed by the one direction DI and the third direction D3. This may mean that the base body 210 and the stopping main body 222 are bent at least once (for example, the direction is changed). Here, the connecting body portion 224 has a shape that is curved at least once, so that the door 20 is opened from the door frame 10 and a space is created between the door frame 10 and the door 20. After the insertion body 226 is formed and inserted between the door frame 10 and the door 20, when the door 20 is about to be closed again by an external force, the connection body 224 is inserted into the door 20. The stopping body 220 may be allowed to be pushed back (towards the door frame 10) or moved towards the base body 210 by the force applied from the door 20 to the stopping body 220. there is.

The insertion body portion 226 may have a shape whose thickness in the third direction D3 decreases as it moves from the stopping main body portion 222 toward the one direction DI, for example, a wedge shape. . Therefore, when the door 20 is opened from the door frame 10 to form a space between the door frame 10 and the door 20, the insertion body portion 226 is inserted into the door frame 10. Can be easily inserted.

In this embodiment, the stopping body 220 may further include a bumper body 228 that protrudes from the stopping main body 222 in the third direction D3. As a result, the door 20 is opened from the door frame 10 to form a space between the door frame 10 and the door 20, and the insertion body portion 226 is connected to the door frame 10 and the door. After being inserted between (20), when the door (20) tries to close again by an external force, the bumper body portion (228) comes into contact with the inner end of the door (20), preventing the door (20) from closing. It can play a strong role in resisting.

The bumper body portion 228 may be formed to be rounded or inclined at least in part so that its thickness in the third direction D3 decreases as it moves toward the one direction DI. For example, the bumper body portion 228 may have a bumper contact surface 228a that is rounded or inclined so that the thickness in the third direction D3 decreases as the thickness increases in the one direction DI. . As a result, the door 20 is opened from the door frame 10 to form a space between the door frame 10 and the door 20, and the insertion body portion 226 is connected to the door frame 10 and the door. After being inserted between (20), when the door (20) is about to be closed again by an external force, the contact area between the bumper body portion (228) and the inner end of the door (20) may increase.

The bumper body 228 is formed to have a width narrower than the width of the stopping main body 222 in the second direction D2, and extends in the second direction D2 of the stopping main body 222. It can be formed in the center of D2).

Meanwhile, the housing unit 100 includes a bumper receiving portion 104 so that at least a portion of the bumper body portion 228 can be disposed in the internal space when the locking unit 400 is in the locked state. can be formed. For example, the bumper receiving portion 104 may be a bumper receiving groove formed to protrude convexly in the third direction D3 such that a portion of the housing upper body 100B corresponds to the bumper body portion 228. . Alternatively, the bumper receiving portion 104 may be a bumper receiving hole (not shown) formed by removing a portion of the upper housing body 100B corresponding to the bumper body portion 228.

The elastic force unit 300 is disposed in the internal space, one end is coupled to a part of the base body 210, and the other end is a part of the housing unit 100, for example, the housing lower body 100A. It may include a tension spring coupled to a portion.

The tension spring includes a first side tension spring 310 disposed along the one direction DI on one side of the base body 210 facing the second direction D2, and a first side tension spring 310. ) may include a second side tension spring 320 disposed along the one direction DI on the other side of the base body 210 facing in a direction opposite to the second direction D2.

The base body 210 includes a central body portion 211, a first side body portion 212, a second side spring fixing portion 213, the second side body portion 214, and a second side spring fixing portion ( 215) may be included.

The central body portion 211 may be disposed between the first and second side tension springs 310 and 320. At this time, the central body portion 211 may have the engaging unit receiving groove 210a formed on the surface facing the housing upper body 100B.

The first side body portion 212 protrudes from the central body portion 211 in the second direction D2 to cover the first side tension spring 310, and has an end connected to the housing unit 100. It may be placed through the formed first side hole 106. At this time, when the base body 210 moves in the one direction DI or in the direction opposite to the one side direction DI, the first side body portion 212 moves along the first side hole 106. The first side hole 106 may be formed along the one direction DI. In this embodiment, the first side hole 106 may be formed by combining grooves formed in at least one of the housing lower body 100A and the housing upper body 100B.

The first side spring fixing part 213 is formed on any one of the first side body part 212 and the central body part 211, and is coupled to one end of the first side tension spring 310 to fix it. You can do it. For example, the first side spring fixing part 213 may include a first side spring fixing protrusion that is fitted and coupled to a ring formed at one end of the first side tension spring 310. Here, the first side spring fixing protrusion may be formed to protrude from the first side body portion 212 in the third direction D3 or in a direction opposite to the third direction D3. Alternatively, the first side spring fixing protrusion may be formed to protrude from the central body portion 211 in the second direction D2.

The second side body portion 214 protrudes from the central body portion 211 in a direction opposite to the second direction D2 to cover the second side tension spring 320, and has an end portion of the housing unit ( It may be disposed through the second side hole 108 formed in 100. At this time, when the base body 210 moves in the one direction DI or in the direction opposite to the one side direction DI, the second side body portion 214 moves along the second side hole 108. The second side hole 108 may be formed along the one direction DI. In this embodiment, the second side hole 108 may be formed by combining grooves formed in at least one of the housing lower body 100A and the housing upper body 100B.

The second side spring fixing part 215 is formed on one of the second side body part 214 and the central body part 211, and is coupled to one end of the second side tension spring 320 to fix it. You can do it. For example, the second side spring fixing part 215 may include a second side spring fixing protrusion that is fitted and coupled to a ring formed at one end of the second side tension spring 320. Here, the second side spring fixing protrusion may be formed to protrude from the second side body portion 214 in the third direction D3 or in a direction opposite to the third direction D3. Alternatively, the second side spring fixing protrusion may be formed to protrude from the central body portion 211 in a direction opposite to the second direction D2.

Meanwhile, the housing unit 100, for example, the housing lower body 100A, includes a first housing spring fixing part 130 that can be coupled and fixed to the other end of the first side tension spring 310, and the It may include a second housing spring fixing part 140 that can be coupled to and fixed to the other end of the second side tension spring 320.

The first housing spring fixing part 130 may include a first housing spring fixing protrusion that is fitted and coupled to a ring formed at the other end of the first side tension spring 310. For example, the first housing spring fixing protrusion may be formed to protrude from the bottom surface of the housing lower body 100A in the third direction D3 or in a direction opposite to the third direction D3.

The second housing spring fixing part 140 may include a second housing spring fixing protrusion that is fitted and coupled to a ring formed at the other end of the second side tension spring 320. For example, the second housing spring fixing protrusion may be formed to protrude from the bottom surface of the housing lower body 100A in the third direction D3 or in a direction opposite to the third direction D3.

In this embodiment, the housing unit 100, for example, the housing upper body 100B, includes a first spring coupling fixing part 132 formed at a position corresponding to the first housing spring fixing protrusion and the second housing spring. It may include a second spring-coupled fixing part 142 formed at a position corresponding to the fixing protrusion. At this time, when the housing lower body 100A and the housing upper body 100B are coupled to each other, the first spring coupling fixing part 132 is coupled to the first housing spring fixing protrusion and the first side tension spring ( The other end of the spring 310) can be strongly fixed, and the second spring coupling fixing part 142 can be coupled with the second housing spring fixing protrusion to strongly fix the other end of the second side tension spring 320. In addition, the screw in the first housing spring fixing protrusion may be sequentially coupled to the first housing spring fixing protrusion and the first spring coupling fixing part 132, and the screw in the second housing spring fixing protrusion may be connected to the first housing spring fixing protrusion. It may be coupled by sequentially penetrating the second housing spring fixing protrusion and the second spring coupling fixing part 142.

The housing unit 100, for example, the housing lower body 100A, is disposed between the central body portion 211 and the first side tension spring 310 and is formed along the first direction D1. 1 side side wall portion 150, and a second side side wall portion 160 disposed between the central body portion 211 and the second side tension spring 320 and formed along the first direction D1. can do. In this way, as the housing lower body 100A includes the first side side wall portion 150 and the second side side wall portion 160, the base body 210 moves in the one direction DI or the When moving in a direction opposite to the one-side direction DI, the central body portion 211 may be guided and moved by the first side wall portion 150 and the second side side wall portion 160.

The base body 210 may further include a first handle body portion 216 and a second handle body portion 217. The first handle body portion 216 is disposed outside the housing unit 100 and extends from an end of the first side body portion 212 in the third direction D3 and in the third direction D3. It may be formed to protrude along at least one of the opposite directions. For example, the first side body 212 and the first handle body 216 may have an L-shape. The second handle body portion 217 is disposed on the outside of the housing unit 100 and extends from an end of the second side body portion 214 in the third direction D3 and the third direction D3. It may be formed to protrude along at least one of the opposite directions. For example, the second side body 214 and the second handle body 217 may have an L-shape. In this way, as the base body 210 includes the first and second handle bodies 216 and 217, the user can use the first and second handle bodies 216 and 217 to hold the base. The body 210 may be pulled in a direction opposite to the one direction DI.

Figure 8 is a perspective view of the operation of the door stopper in Figure 1 changing from open mode to safe mode or changing from safe mode to open mode, and Figure 9 is a state in which the door stopper in Figure 8 is operating in safe mode. This is a perspective view to explain the process of stopping a door by a stopping unit when it is about to close.

Referring to Figures 8 and 9, the door stopper may be attached to the door frame 10 and operated in an 'open mode' in which the stopping body 220 is inserted and fixed into the internal space. In the open mode, the locking surface 412 of the locking portion 410 is in contact with the housing locking surface 122, and the user can freely open and close the door 20.

When the door stopper is operating in 'open mode' and the door 10 is closed, when the user presses the guide protrusion 430 in the direction opposite to the third direction D3, the locking portion ( The engaging surface 412 of 410 is released from contact with the housing engaging surface 122, and the base body 210 moves in the one direction DI by the elastic force of the elastic force unit 300. You can. At this time, the end of the insertion body 226 of the stopping body 220 comes into contact with one side of the door 20, so that the base body 210 stops moving in the one direction DI. There may be.

Thereafter, when the user begins to open the door 20, a space is gradually created between the door frame 10 and the door 20 and the base body 210 begins to move again in the one direction DI. And, as a result, the insertion body portion 226 of the stopping body 220 may gradually enter the space between the door frame 10 and the door 20.

Thereafter, when the user completely opens the door 20, the base body 210 moves completely in the one direction DI, and the insertion body portion 226 of the stopping body 220 is inserted into the door frame ( 10) and the door 20 can be completely inserted into the space. As a result, the door stopper can be operated in 'safe mode'.

When the door stopper is operated in 'safe mode' and the door 20 is tried to close again as shown in FIG. 9, the inner end 22 of the door 20 presses the bumper body 228. You may be pushed aside. As a result, the stopping body 220 can move backwards and sideways. To be specific, a door frame step 12 capable of accommodating the inner end 22 of the door 20 may be formed on one side of the door frame 10. Here, when the door 20 is about to be closed again, the connecting body portion 224 is stretched or contracted, so that the stopping body 220 moves backwards within the door frame step portion 12 or the base body ( 210) You can move sideways towards the side. As a result, it is possible to prevent the door 20 from being completely closed, thereby fundamentally preventing hand-trapping accidents that occur between the door frame 10 and the inner end 22 of the door 20. In addition, when the door 20 is about to close again, the force applied by the inner end 22 of the door 20 to the bumper body 228 is transmitted to the base body 210 through the connection. It can be blocked or reduced by the body portion 224.

Thereafter, when changing the door stopper from 'safe mode' to 'open mode' again, the user holds the first and second handle bodies 216 and 217 and moves them in a direction opposite to the one direction DI. You can do it by pulling. At this time, the sliding surface 414 of the locking portion 410 may slide while in contact with the housing sliding surface 124, causing the base body 210 to move in a direction opposite to the one direction DI. . When the base body 210 is completely moved in the direction opposite to the one direction DI, the engaging surface 412 of the engaging portion 410 returns to the hanging state in contact with the housing engaging surface 122. can do. That is, the door stopper can return to 'open mode'.

According to this embodiment, as the connecting body portion 224 does not transmit or reduces the force applied from the door 20 to the stopping body 220 to the base body 210, the Not only can the base body 210 be stably placed within the housing unit 100, but the housing unit 100 can be prevented from being damaged by force transmitted to the base body 210.

In addition, when the door 20 is opened from the door frame 10 to form a space between the door frame 10 and the door 20, the stopping unit 200 is applied to the elastic force unit 300. As it is automatically inserted into the space between the door frame 10 and the door 20, a separate stopper is installed to prevent accidents involving hands being caught in the space between the door frame 10 and the door 20. It is possible to fundamentally prevent the above-mentioned hand pinching accident without inserting the device.

Additionally, since the door stopper only needs to be attached to the door frame 10, installation is very easy from the user's perspective.

Although the detailed description of the present invention described above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those skilled in the art will understand the spirit of the present invention as described in the patent claims to be described later. It will be understood that the present invention can be modified and changed in various ways without departing from the technical scope.

10: door frame 20: door
100: housing unit 100A: housing lower body
100B: Housing upper body 102: Open portion
104: Stopping body receiving groove 110: Movement guide hole
120: housing engaging portion 122: housing engaging surface
124: Housing sliding surface 130: Housing rotation shaft portion
140: Locking protrusion 200: Stopping unit
210: base body 220: stopping body
222: Stopping main body 224: Connecting body
226: insertion body 300: elastic force unit
400: latching unit 410: latching portion
412: catching surface 414: sliding surface
420: catching elastic part 430: guide protrusion

Claims (19)

In the door stopper capable of stopping a door rotatably connected to one side of the door frame from closing,
It is attached to the door frame by an attachment unit, and a first direction is a longitudinal direction, a second direction intersecting the first direction is a width direction, and a third direction intersecting the first and second directions is a thickness direction. a housing unit having a shape having an internal space with an open portion formed in the first direction or in a direction opposite to the first direction;
A base body, at least a portion of which is disposed in the internal space and coupled to the housing unit so as to be movable in the first direction or in a direction opposite to the first direction, and connected to the base body in one direction parallel to the first direction. a stopping unit, at least a portion of which is disposed in the interior space and includes a stopping body that can move through an open portion of the housing unit when the base body moves in the one direction, and is made of an elastic material; and
An elastic force unit disposed in the interior space and capable of providing an elastic force to move the base body in the one direction,
The elastic force unit is
A tension spring is disposed in the interior space, one end of which is coupled to a portion of the base body, and the other end of which is coupled to a portion of the housing unit,
The tension spring is
a first side tension spring disposed along the one direction on one side of the base body facing the second direction; and
and a second side tension spring disposed along the one direction on the other side of the base body facing in a direction opposite to the second direction, so as to oppose the first side tension spring,
The base body is
a central body portion disposed between the first and second side tension springs;
a first side body portion protruding from the central body portion in the second direction to cover the first side tension spring, and an end of which is disposed to penetrate a first side hole formed in the housing unit;
a first side spring fixing portion formed on one of the first side body portion and the central body portion and capable of being coupled to and fixed to one end of the first side tension spring;
a second side body portion protruding from the central body portion in a direction opposite to the second direction to cover the second side tension spring, and having an end disposed through a second side hole formed in the housing unit; and
A second side spring fixing part formed on any one of the second side body part and the central body part and capable of being coupled to and fixed to one end of the second side tension spring,
The housing unit is
a first housing spring fixing part that is coupled to and fixed to the other end of the first side tension spring; and
A door stopper comprising a second housing spring fixing part that can be coupled with and fixed to the other end of the second side tension spring. According to paragraph 1,
It is disposed in the internal space and is fixed to the base body, and operates in a locked state in which at least a part is hung on the housing unit and fixed so that the base body is not moved in the one direction, and in an unlocked state released from the locked state. It further includes a locking unit that can be
When the locking unit is in the locked state, the base body is fixed so as not to move in the one direction,
When the locking unit is changed from the locked state to the unlocked state, the base body is moved in the one direction by the elastic force of the elastic force unit. According to paragraph 2,
The jamming unit is
A locking surface that can be hung on a part of the housing unit so that it can be in the locked state, and the base body can be moved in a direction opposite to the one direction by an external force to change from the unlocked state to the locked state. At least a portion having a sliding surface formed to be inclined or rounded;
a latching elastic portion disposed between the latching portion and the base body to provide a latching elastic force to the latching portion so that the latching portion can be latched to a portion of the housing unit; and
A guide protrusion is formed to protrude from the locking portion in the third direction and can be moved along a movement guide hole formed in the housing unit when the base body moves in the one direction or in the direction opposite to the one side direction. A door stopper characterized in that. According to paragraph 3,
The catching elastic part
A door stopper, characterized in that it is formed integrally with the locking portion to have a U-shaped or V-shaped shape to provide the locking elastic force. According to paragraph 3,
Inside the housing unit facing the locking portion,
A housing engaging portion is formed on one or both sides of the movable guide hole along the longitudinal direction of the movable guide hole,
The housing locking part
The housing locking surface on which the locking surface of the locking part can be caught, and the base body can be moved in a direction opposite to the one direction by the external force to change from the unlocked state to the locked state. A door stopper characterized by having a housing sliding surface in sliding contact with the sliding surface. According to paragraph 2,
In the base body,
A door stopper, characterized in that a locking unit receiving groove is formed to accommodate at least a portion of the locking unit and secure the locking unit. According to paragraph 2,
The stopping body is
a stopping main body portion disposed to be spaced apart from the base body in the one direction;
A connecting body portion connecting the base body and the stopping main body portion; and
A door stopper comprising an insertion body portion formed to protrude from the stopping main body portion in the one direction. In clause 7,
The insertion body part
A door stopper, characterized in that it has a shape in which the thickness in the third direction decreases as it moves from the stopping main body toward the one side. In clause 7,
The stopping body is
A door stopper further comprising a bumper body portion protruding from the stopping main body portion in the third direction. According to clause 9,
In the housing unit,
A door stopper, wherein a bumper receiving portion is formed so that at least a portion of the bumper body portion can be disposed in the interior space when the locking unit is in the locked state. According to clause 9,
The bumper body part
A door stopper, wherein at least a portion of the door stopper is rounded or inclined so that the thickness in the third direction decreases toward the one side. In clause 7,
The connection body part is
A door stopper, characterized in that it reduces at least part of the force applied to the stopping body and transmitted to the base body. According to clause 12,
The connection body part is
A door stopper characterized by having at least one curved shape. delete delete According to paragraph 1,
The first side spring fixing part
It includes a first side spring fixing protrusion that is fitted and coupled to a ring formed at one end of the first side tension spring,
The second side spring fixing part
It includes a second side spring fixing protrusion that is fitted and coupled to a ring formed at one end of the second side tension spring,
The first housing spring fixing part
It includes a first housing spring fixing protrusion that is fitted and coupled to a ring formed at the other end of the first side tension spring,
The second housing spring fixing part
A door stopper comprising a second housing spring fixing protrusion that is fitted and coupled to a ring formed at the other end of the second side tension spring. According to paragraph 1,
The base body is
a first handle body portion disposed outside the housing unit and protruding from an end of the first side body portion along at least one of the third direction and a direction opposite to the third direction; and
A second handle body portion disposed outside the housing unit and protruding from an end of the second side body portion along at least one of the third direction and a direction opposite to the third direction. A door stopper. According to paragraph 1,
The housing unit is
a first side wall portion disposed between the central body portion and the first side tension spring and formed along the first direction; and
A door stopper comprising a second side wall portion disposed between the central body portion and the second side tension spring and formed along the first direction. According to paragraph 1,
The housing unit is
Housing lower body; and
A door stopper comprising a housing upper body disposed on a side in the third direction from the housing lower body and coupled to the housing lower body to have the internal space in which the open portion is formed.