KR102033856B1 - Safety device for hand protection - Google Patents

Abstract

Disclosed is a hand protecting device capable of allowing a change of a target object from a closed state to an open state while preventing a change from an open state to a closed state. The hand protecting device relates to a device mounted on the target object including a first structure and a second structure which is in a closed state when disposed adjacent to the first structure and can be changed to an open state when away from the first structure. The hand protecting device comprises a first body part, a second body part, and a connection part. The second body part is disposed adjacent to the first body part in one direction. The connection part connects the first and second body parts such that the second body part is rotatably only in one rotation direction based on the first body part, and the second body part is rotated in one rotation direction by an external force and has elasticity to return to its original position when the external force is removed. As such, the second structure can be moved from the closed state to the open state, but the movement from the open state to the closed state is blocked, thereby preventing the fingers from being injured by being pinched between the first and second structures.

Description

Hand pinch prevention device {SAFETY DEVICE FOR HAND PROTECTION}

The present invention relates to a hand pinch prevention device, and more particularly, to a hand pinch prevention device that can prevent a finger pinching the drawer, door, and the like.

Generally, furniture, such as a chest of drawers, a desk, a wardrobe, or the like, is provided with a drawer for storing various things conveniently. The drawer installed in the furniture may be moved outward in the inserted state formed in the insertion space formed in the furniture main body, and may be opened and moved back to the insertion space of the furniture main body in the opened state to return to the closed state.

When the drawer is moved back from the open state to the closed state, if a person's finger is located in the inside of the drawer due to carelessness, the person's finger may be caught and injured. In particular, after the infant or child opens the drawer due to curiosity, when the user slides the drawer with his / her finger in the inner space of the drawer, the finger of the infant or child may be seriously injured.

As a conventional technique for preventing a finger from being pinched in a drawer, Korean Patent Application Publication No. 20-2013-0002109 discloses a 'hand pinching structure for a drawer of furniture'. The pinch prevention structure in the drawer includes a buffer stopper that temporarily stops the drawer at the end of the section in which the drawer is closed, thereby preventing injuries that may occur when the drawer is closed by inadvertently placing a finger inside the drawer. can do. However, such a pinch-resistant structure has to install a buffer stopper inside the drawer, which may cause a problem in that the installation is difficult and the drawer is not completely closed.

In addition, the furniture or the room is equipped with a swing door composed of a door frame and a door. Such a door may be opened when the door is pushed, and may be closed when the door is pulled in the open state.

When the door is moved from the open state to the closed state again, if a person's finger is placed between the door frame and the door or the door and the door due to carelessness, the person's finger may be caught and injured. In particular, when the infant or child is suddenly closed by the wind or external force while the door frame and the door or the door and the door between the door and the door may be seriously injured the finger of the infant or child.

As a conventional technique for preventing a finger from being caught in a sliding door, a 'door fixing and closing prevention device' is disclosed in Korean Patent Laid-Open Publication No. 20-2009-0111942. The hand pinch prevention structure in the sliding door can prevent the finger from being pinched by preventing the door from being closed by inserting a rubber body into the door. However, such a pinch prevention structure has to fit the rubber body to the door, the door may not be completely closed.

Therefore, the present invention is to solve this problem, the problem to be solved of the present invention is that any object can be changed from the closed state to the open state, but the hand that can block the change from the open state to the closed state It is to provide a jam prevention device.

An apparatus for preventing hand pinching according to an embodiment of the present invention may be in a closed state when disposed adjacent to the first structure and the first structure, and may be changed to an open state when it is moved away from the first structure. The present invention relates to a device mounted to a target object including a first body part, a second body part, and a connection part. The second body portion is disposed adjacent to the first body portion in one direction. The connecting part connects the first and second body parts so that the second body part can rotate only in one rotation direction with respect to the first body part, and the second body part rotates in the one rotation direction by an external force. When it is removed by the external force, it has elasticity to return to its original position.

The target object may include any one of furniture and a swinging door in which a drawer is installed.

The housing part may accommodate at least a portion of the first body part.

The hand pinching prevention device may further include an attachment part formed on an outer surface of the housing part and attached to the first structure to fix the housing part to the first structure.

The first body portion may have a cylindrical shape having a central axis in a height direction, and the housing portion may have a cylindrical shape to accommodate at least a portion of the first body portion.

A direction perpendicular to the central axis is referred to as a first direction, a direction perpendicular to the central axis and opposite to the first direction is referred to as a second direction, and a direction parallel to the central axis is referred to as a third direction. A direction parallel to the central axis and opposite to the third direction, as a fourth direction, a direction perpendicular to the central axis and the first direction, as a fifth direction, perpendicular to the central axis and the first direction, When defining a direction opposite to the fifth direction as a sixth direction, the one side rotation direction may be a direction rotating from the fourth direction to the fifth direction with respect to the center of the connection part.

The second body portion may have an inclined surface formed along a direction between the fourth direction and the fifth direction from the outer surface in the sixth direction to the outer surface in the fourth direction.

The hand pinch preventing device protrudes from the first body portion in a direction perpendicular to or inclined from the first body portion so as to pass through the guide hole formed in the housing portion, and moves the first body portion together when moving along the guide hole. It may further include a guide rod.

The guide hole may include a main guide hole extending in a guide rotation direction from the first direction to the second direction through the fifth direction. In this case, a passage mode region may be formed at one end of the main guide hole in the guide rotation direction, and a blocking mode region is formed at the other end of the main guide hole in the guide rotation direction facing the one end of the main guide hole. Can be.

The guide hole may further include an opening guide hole extending from the main guide hole in the third direction, and an opening mode region may be formed at an end portion of the opening guide hole in the third direction.

The housing part includes at least one pass mode stopper protruding in the inner direction of the main guide hole at a position adjacent to the pass mode region, and at least one block mode stopper protruding in the inner direction of the main guide hole at a position adjacent to the cutoff mode region. And at least one open mode stopper protruding in the inward direction of the open guide hole at a position adjacent to the open mode area.

The guide hole may further include a closing guide hole extending in the fourth direction from the blocking mode area of the main guide hole, and a closing mode area is formed at an end portion of the closing guide hole in the fourth direction. It may be.

The housing part includes at least one pass mode stopper protruding inwardly of the main guide hole at a position adjacent to the through mode region, and at least one open mode stopper protruding inwardly of the open guide hole at a position adjacent to the open mode region. And at least one closing mode stopper protruding in the inward direction of the closing guide hole at a position adjacent to the closing mode area.

The hand pinching prevention device may further include a bumper part formed at an end portion of the second body portion in the fourth direction among the outer surfaces in the fifth direction.

The connection part may be disposed at a position where a center thereof is moved in the fifth direction from the central axis, and a first contact surface may be formed in an area of the first body part that is directed in the sixth direction from the connection part. A second contact surface facing the first contact surface may be formed in an area of the second body portion that faces in the sixth direction from the connection portion.

An outer groove may be formed on an outer surface of the connection part in the fifth direction.

An inner groove may be formed on an outer surface of the connection part in the sixth direction.

The first body portion, the second body portion and the connection portion may be integrally formed.

The first body portion may be formed with a first coupling groove for receiving the first side of the connecting portion, the second body portion for receiving the second side of the connecting portion facing the first side Coupling grooves may be formed.

At least one first sawtooth protrusion may be formed on the first side of the connecting portion to protrude in a direction perpendicular to the fourth direction or inclined at an acute angle, and accommodate the first sawtooth protrusion in the first coupling groove. At least one first tooth groove may be formed, and at least one second tooth protrusion may protrude in a direction perpendicular to the third direction or inclined at an acute angle on the second side of the connection portion. At least one second tooth groove may be formed in the second coupling groove to accommodate the second tooth protrusion.

Thus, according to the hand pinching prevention device according to the present invention, as the second body portion is rotatable only in one direction of rotation relative to the first body portion, the second structure is moved by the external force to be changed from the closed state to the open state Can be. On the other hand, as the second body portion rotates in the one rotational direction and then returns to its original position by elasticity, the second structure may be blocked from moving from an open state to a closed state by moving by an external force.

Therefore, when the second structure is changed from the closed state to the open state, even if a human finger is located between the first and second structures, the second structure is changed from the open state to the closed state again. As a result, the human finger can be prevented from being injured by being pinched between the first and second structures.

1 is a front view of a hand-holding prevention device according to a first embodiment of the present invention.
FIG. 2 is a view of the pinch prevention device of FIG.
3 is a view of the hand pinching prevention device of FIG. 1 seen from another side.
4 is a view of the pinch prevention device of FIG.
FIG. 5 is a view of a housing part and an attachment part removed from the pinch prevention device of FIG.
FIG. 6 is a diagram illustrating a state cut along the line II ′ of FIG. 5.
FIG. 7 is a diagram illustrating a state cut along the line II-II ′ of FIG. 5.
FIG. 8 is a diagram illustrating a state cut along line III-III ′ of FIG. 5.
FIG. 9 is an exploded view illustrating the state in which the housing part is cut in the sixth direction from the central axis of the pinch prevention device of FIG. 1.
FIG. 10 is a view illustrating a state when the pinch preventing device of FIG. 1 is operated in an open mode from one side.
FIG. 11 is a view of the other hand when the pinch prevention device of FIG. 1 is operated in a blocking mode.
FIG. 12 is a partial cutaway side view of the pinch preventing device of FIG.
FIG. 13 is an enlarged view of a portion A of FIG. 12.
FIG. 14 is a view illustrating a state in which the drawer moves from the closed state to the open state in the drawer of FIG. 13.
FIG. 15 is a view illustrating that the drawer of FIG. 14 is moved and the drawer is in an open state.
FIG. 16 is a view illustrating a state in which the drawer of FIG. 15 is blocked from moving from the open state to the closed state.
FIG. 17 is a view illustrating a process of changing the pinch prevention device of FIG. 16 from a passing mode to an open mode.
FIG. 18 is a view illustrating a state in which the drawer of FIG. 17 moves from the open state to the closed state.
FIG. 19 illustrates a process of changing the pinch prevention device of FIG. 18 from the open mode to the pass mode.
FIG. 20 is a view illustrating a process of changing the pinch prevention device of FIG. 19 from a passing mode to a blocking mode.
FIG. 21 is a view of the pinch prevention device of FIG. 20 in a blocking mode from another side; FIG.
22 and 23 are front views illustrating a state in which the pinch prevention device of FIG. 1 is attached to the outer door.
24 and 25 are front views illustrating a state in which the pinch prevention device of FIG. 1 is attached to the double door.
FIG. 26 is a view illustrating a state in which a housing part and an attaching part are removed in a hand pinching device according to a second embodiment of the present invention;
FIG. 27 is a view of a first body portion, a second body portion, a connection portion, a guide rod, and a bumper portion from one side of the hand pinching prevention apparatus according to the third embodiment of the present invention.
FIG. 28 is a view of the first body part, the second body part, the connection part, the guide rod, and the bumper part of the pinch prevention device of FIG. 27 as viewed from above. FIG.
FIG. 29 is a diagram illustrating a state cut along the line IV-IV ′ of FIG. 28.
30 is an exploded view illustrating a state in which the housing part is cut in a sixth direction from a central axis of the pinch prevention apparatus according to the fourth embodiment of the present invention.
FIG. 31 is a view of the pinch prevention device of FIG. 30 in a closed mode, viewed from another side; FIG.

As the inventive concept allows for various changes and numerous embodiments, particular 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 the specific disclosed form, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, the terms "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and that one or more other features It should be understood that it does not exclude in advance the possibility of the presence or addition of numbers, steps, operations, components, parts or combinations thereof.

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

<Example 1>

1 is a view of the hand pinch preventing apparatus according to the first embodiment of the present invention from the front, FIG. 2 is a view of the hand pinching prevention apparatus of FIG. 1 from one side, and FIG. 3 is a hand pinching prevention of FIG. 4 is a view of the device from the other side, FIG. 4 is a view of the pinch prevention device of FIG. 1 from above, and FIG. 5 is a view of the housing and attachment portions removed from the hand pinch protection device of FIG. 6 is a view showing a state cut along the line II ′ of FIG. 5, FIG. 7 is a view showing a state cut along the line II-II ′ of FIG. 5, and FIG. 8 is a view of FIG. It is a figure which shows the state cut | disconnected along the III-III 'line | wire of 5.

1 to 8, the device for preventing hand pinching according to the present embodiment is a device for preventing a finger from being caught when the target object is operated by being mounted on an arbitrary target object. The guide rod 150 may include a second body part 200, a bumper part 250, a connection part 300, a housing part 400, and an attachment part 500.

The first body part 100 may have a cylindrical shape having the central axis CA in the height direction, and may have a polygonal shape similar to the cylindrical shape in some cases. The first body part 100 may be made of synthetic resin, for example, rubber.

In this embodiment, the direction perpendicular to the central axis CA is referred to as the first direction D1, and the direction perpendicular to the central axis CA and opposite to the first direction D1 is referred to as the second direction ( D2), and the direction parallel to the central axis CA is the third direction D3, and the direction parallel to the central axis CA and opposite to the third direction D3 is the fourth direction (D2). D4), and the direction perpendicular to the central axis CA and the first direction D1 is the fifth direction D5, and is perpendicular to the central axis CA and the first direction D1. A direction opposite to the fifth direction D5 may be defined as a sixth direction D6. For example, the first direction D1 is a left direction from the central axis CA, the second direction D2 is a right direction from the central axis CA, and the third direction D3. ) Is an upper direction formed parallel to the central axis CA, the fourth direction D4 is a lower direction parallel to the central axis CA and opposite to the upper direction, and the fifth direction D5 is The front direction is perpendicular to the central axis CA and the first direction D1, and the sixth direction D6 is perpendicular to the central axis CA and the first direction D1, and the front direction. It may be in the back direction opposite to.

The guide rod 150 may protrude from the first body portion 100 in a vertical or inclined direction with the central axis CA. For example, the guide rod 150 may be formed to protrude from the first body portion 100 in a predetermined length in the first direction D1.

In the present embodiment, the guide rod 150 may be inserted into a rod coupling groove formed in the first body portion 100 and coupled with the first body portion 100 as shown in the drawing. In this case, the guide rod 150 may be made of synthetic resin or metal. On the other hand, the guide rod 150 may be formed integrally with the first body portion 100. That is, when the first body portion 100 is manufactured through any molding process, the guide rod 150 may also be manufactured.

The second body part 200 may be disposed adjacent to the first body part 100 in one direction, for example, the fourth direction D. FIG. The second body part 200 may have a cylindrical shape or a polygonal shape having the central axis CA in the height direction, for example, a cylindrical shape having the same width as the first body part 100, or It may have a polygonal pillar shape. The second body part 200 may be made of synthetic resin, for example, rubber.

In the present exemplary embodiment, the second body part 200 may have a cylindrical shape or a polygonal shape, and the fourth body part may be disposed on the outer side in the fourth direction D4 from the outer side in the sixth direction D6. It may have an inclined surface SP formed along a direction between the direction D4 and the fifth direction D5. In this case, the inclined surface SP may be formed in a flat shape as shown, but may have a rounded shape so as to protrude outwardly.

In the present embodiment, a portion of the outer surface of the second body portion 200 facing the inclined surface SP may be formed with any character picture or a character shape.

The bumper part 250 may be formed at an end portion of the second body part 200 in the fourth direction D4 among the outer surfaces of the second body part 200 in the fifth direction D5. That is, the bumper part 250 may be disposed at a position opposite to the inclined surface SP at an end portion of the outer surface of the second body part 200 in the fourth direction D4.

In this embodiment, the bumper part 250 may be attached to the second body part 200 as shown in the drawing. For example, the bumper part 250 may be attached to the second body part 200 by an adhesive means such as an adhesive. The bumper part 250 may be made of synthetic resin, for example, rubber. Preferably, the bumper part 250 may be made of a material that is elastic and softer than the second body part 200. Alternatively, the bumper part 250 may be integrally formed with the second body part 200. That is, when the second body portion 200 is manufactured, the bumper portion 250 may also be manufactured.

The connection part 300 includes the first and second body parts 100 and 200 such that the second body part 200 is rotatable only in one direction of rotation R relative to the first body part 100. Can be connected between In this case, the one side rotation direction R may be a direction rotating in the fifth direction D5 in the fourth direction D4 based on the center of the connection part 300. The connection part 300 may be made of synthetic resin having elasticity, for example, rubber.

In detail, the connection part 300 may be disposed at a position where a center thereof is moved in the fifth direction D5 from the central axis CP1. In this case, a first contact surface CP1 may be formed in an area of the first body part 100 that faces the connection part 300 in the sixth direction D6, and the second body part 200 may include the first contact surface CP1. A second contact surface CP2 facing the first contact surface CP1 may be formed in an area facing the sixth direction D6 from the connector 300. That is, the first contact surface CP1 is formed in an area where the connection part 300 is not formed among the lower surfaces of the first body part 100 facing the second body part 200, and the second contact part CP1 is formed on the second contact part CP1. The contact surface CP2 may be formed in an area where the connection part 300 is not formed among the upper surfaces of the second body part 200 facing the first body part 100.

The connection part 300 is removed by the first external force after the second body part 200 rotates in the one side rotation direction R by a first external force including a force in the fifth direction D5. It may have elasticity to return to its original position. Accordingly, when the first external force is applied to the connecting portion 300, the second body portion 200 is rotated in the one side rotation direction (R) relative to the first body portion 100, A gap between the first contact surface CP1 and the second contact surface CP2 may occur. Subsequently, when the first external force is removed, the second body part 200 may be rotated in a direction opposite to the one side rotation direction R by the elasticity of the connection part 300 to return to the original position. On the other hand, when a second external force including a force in the sixth direction D6 is applied to the connection part 300, the first contact surface CP1 and the second contact surface CP2 come into contact with each other, and eventually The second body 200 may be prevented from rotating in a direction opposite to the one side rotation direction (R).

In the present exemplary embodiment, an outer groove 310 may be formed on an outer surface of the connection part 300 in the fifth direction D5. For example, the outer groove 310 may have a semicircle, semi-ellipse shape or rounded curve shape. As a result, when the first external force is applied to the connection part 300, the second body part 200 may more easily rotate in the one direction of rotation R with respect to the first body part 100. Can be. That is, the outer groove 310 may serve to help the second body portion 200 to be easily folded to the first body portion 100 side.

In the present exemplary embodiment, an inner groove 320 may be formed on an outer surface of the connection part 300 in the sixth direction D6. For example, the inner groove 320 may be formed at a position adjacent to the central axis CA or the central axis CA, and may be connected to the first contact surface CP1 and the second contact surface CP2. . In addition, the inner groove 320 may have a semi-circle, semi-ellipse shape or rounded curve shape. In this case, the inner groove 320 may be formed in the same size as the outer groove 310, as shown in the figure, otherwise may be formed in a smaller size than the outer groove 310. As a result, when the first external force is applied to the connection part 300, the second body part 200 may more easily rotate in the one direction of rotation R with respect to the first body part 100. Can be. That is, the inner groove 320 may serve to help the second body portion 200 to be easily deployed from the first body portion 100. On the other hand, the inner groove 320, a plurality of wrinkles (not shown) may be further formed so that the second body portion 200 can be more easily spread from the first body portion 100.

In the present embodiment, the connection part 300 is integrally formed with the first body part 100 and the second body part 200 to form the first body part 100 and the second body part 200. ) Can be connected. As a result, the first body portion 100, the second body portion 200 and the connecting portion 300 may be made of one material, it may be manufactured by one molding process.

The housing part 400 may accommodate at least a portion of the first body part 100. For example, the housing part 400 may have a cylindrical shape to accommodate at least a portion of the first body part 100. Accordingly, the first body part 100 may move along the central axis CA or rotate about the central axis CA within the housing part 400.

A guide hole 410 may be formed in the housing part 400 to allow the guide rod 150 formed in the first body part 100 to pass therethrough. Here, the guide rod 150 may move along the guide hole 410 to move the first body portion 100 together. Meanwhile, the housing part 400 may be made of synthetic resin or metal.

The attachment part 500 may be formed on an outer surface of the housing part 100, and attached to the target object to fix the housing part 100 to the target object. For example, the attachment part 500 may be a plate that is disposed in the sixth direction D6 of the outer surface of the housing part 100 and has a plane perpendicular to the sixth direction D6. It may be attached to the target body by an adhesive means including an adhesive or the like. On the other hand, the attachment portion 500 may be made of synthetic resin or metal.

In this embodiment, the attachment part 500 may be manufactured separately and attached to the outer side surface of the housing part 100 by an adhesive means including an adhesive. Alternatively, the attachment part 500 may be manufactured integrally with the housing part 100 by a single molding fixing.

On the other hand, the attachment portion 500 may be omitted in some cases. In this case, the housing part 100 may be directly attached to and fixed to the target object by an adhesive means including an adhesive.

FIG. 9 is an exploded view illustrating a state in which the housing part is cut in a sixth direction from a central axis of the pinch preventing device of FIG. 1, and FIG. 10 is a state when the pinch preventing device of FIG. 1 is operated in an open mode. FIG. 11 is a view from one side, and FIG. 11 is a view from another side of a state where the pinch preventing device of FIG. 1 is operated in a blocking mode.

9 to 11, the guide hole 410 formed in the housing part 400 may include a main guide hole GH1 and an open guide hole GH2.

The main guide hole GH1 extends in a guide rotation direction, for example, counterclockwise, from the first direction D1 to the second direction D2 via the fifth direction D5. Can be. In this case, a passage mode region AR1 is formed at one end of the main guide hole GH1 in the guide rotation direction, and the other side in the guide rotation direction facing the one end of the main guide hole GH1. A blocking mode region AR2 may be formed at an end thereof. That is, the pass mode region AR1 is formed at a position corresponding to the first direction D1 in the main guide hole GH1, and the blocking mode region AR2 is formed in the main guide hole GH1. It may be formed in a position corresponding to the second direction (D2). Therefore, as the guide rod 150 moves along the main guide hole GH1, the position may be moved from the passing mode region AR1 to the blocking mode region AR2 or vice versa.

In the present embodiment, when the guide rod 150 is located in the passage mode area AR1, the one side rotation direction R with respect to the first body part 100 is based on the first body part 100. Can only be rotated. On the other hand, when the guide rod 150 is located in the blocking mode area AR2, the second body part 200 is opposite to the one side rotation direction R with respect to the first body part 100. It can be made rotatable only in the direction.

The opening guide hole GH2 may extend from the main guide hole GH1 in the third direction D3. For example, the opening guide hole GH2 may be formed to extend in the third direction D3 at a position moved by a predetermined distance in the guide rotation direction from the passage mode area AR1. In this case, an opening mode area AR3 may be formed at an end portion of the opening guide hole GH2 in the third direction D3. Accordingly, the guide rod 150 may move to the open mode area AR3 after the direction is changed from the main guide hole GH1 to the open guide hole GH2. In the present embodiment, when the guide rod 150 is located in the open mode area AR3, the first body part 100 moves in the third direction D3 to move into the housing part 400. The second body 200 and the connection part 300 may be moved together in the third direction D3.

In the present embodiment, the housing part 400 may include at least one pass mode stopper SP1, at least one blocking mode stopper SP2, and at least one open mode stopper SP3.

The passage mode stopper SP1 may be formed to protrude in an inner direction of the main guide hole GH1 at a position adjacent to the passage mode region AR1. That is, the passage mode stopper SP1 may be formed to protrude in the third direction D3 or the fourth direction D4 at a position adjacent to the passage mode region AR1 in the guide rotation direction. Accordingly, the passage mode stopper SP1 prevents the guide rod 150 from moving in the guide rotation direction in the passage mode region AR1, so that the guide rod 150 is not applied when an external force greater than a reference value is not applied. May be fixed to the passing mode region AR1.

The blocking mode stopper SP2 may be formed to protrude in an inner direction of the main guide hole GH1 at a position adjacent to the blocking mode region AR2. That is, the blocking mode stopper SP2 may be formed to protrude in the third direction D3 or the fourth direction D4 at a position adjacent to the blocking mode region AR2 in a direction opposite to the rotation direction of the guide. have. Accordingly, the blocking mode stopper SP2 prevents the guide rod 150 from moving in the opposite direction of the guide rotation direction in the blocking mode region AR2, so that the guide rod is not applied when an external force greater than a reference value is not applied. It may serve to fix 150 to the blocking mode area AR2.

The opening mode stopper SP3 may be formed to protrude in an inner direction of the opening guide hole GH2 at a position adjacent to the opening mode area AR3. That is, the opening mode stopper SP3 may be formed to protrude in a direction opposite to the guide rotation direction or the guide rotation direction at a position adjacent to the opening mode area AR3 in the fourth direction D4.

Accordingly, the open mode stopper SP3 suppresses the guide rod 150 from moving in the fourth direction D4 in the open mode region AR3, so that the guide rod is not applied when no external force is applied. It may serve to fix 150 to the open mode area AR3.

FIG. 12 is a partially cutaway side view of a state where the pinch prevention device of FIG. 1 is attached to a drawer from a side, and FIG. 13 is an enlarged view of portion A of FIG. 12.

12 and 13, the target body 10 may include a first structure 12 and a second structure 14 disposed adjacent to the first structure 12 in one direction. In this case, the second structure 14 is in a closed state when disposed adjacent to the first structure 12 in one direction, and is opened when the second structure 14 moves in another direction different from the one direction, for example, in a vertical direction. can be changed. In addition, the second structure 14 may change from the open state to the closed state when moving in the opposite direction to the other direction.

In this embodiment, the target object 10 may be a furniture in which a drawer is installed, for example, a drawer cabinet. The chest of drawers includes a main body having at least one storage space and at least one drawer disposed in the storage space. In this case, the first structure 12 may be a main body, and the second structure 14 may be a drawer. On the other hand, when the drawer is composed of a plurality of drawers, the first structure 12 may be any one drawer, the second structure 14 is another drawer adjacent to the one drawer Can be.

In the present embodiment, the housing part 400 may be disposed on one side of the first structure 12 to accommodate at least a portion of the first body part 100. The attachment part 500 may be attached to the first structure 12 to fix the housing part 100 to the first structure 12. The second body part 200 is disposed adjacent to the first body part 100 in the one direction, for example, the fourth direction so that at least a portion thereof overlaps one side surface of the second structure 14. Can be.

Hereinafter, a process of operating the pinch prevention device will be described in detail.

FIG. 14 is a view showing a state in which the drawer is moved from the closed state to the open state in the drawer of FIG. 13, and FIG. 15 is a view showing that the drawer is in the open state by moving the drawer of FIG. 14, and FIG. 15 is a view illustrating a state in which the drawer of FIG. 15 is blocked from being moved in the closed state.

14, 15, and 16, first, when the guide rod 150 is located in the passage mode area AR1, the hand pinch preventing device may be operated in the passage mode.

Specifically, when the drawer that is the second structure 14 is moved by the force in the other direction, that is, the fifth direction D5, the second body portion 200 is the first body It may be rotated in the one rotation direction (R) relative to the part 100. For this reason, the drawer can be changed from the closed state to the open state. Subsequently, when the force in the fifth direction D5 is removed, the second body part 200 may be returned to its original position by the elasticity of the connection part 300, and the second body part 200 may be removed. May be positioned to span the interior space of the drawer. On the other hand, as the inclined surface SP is formed on the second body part 200, the second body part 200 may rotate at a smaller rotation radius when the second body part 200 rotates, and thus the drawer is rotated. It may be easier to change from the closed state to the open state.

After the second body portion 200 is returned to its original position, it may be encountered with the bumper portion 250 when the drawer is moved by the force in the sixth direction. At this time, the first contact surface CP1 and the second contact surface CP2 come into contact with each other, so that the second body part 200 is blocked from rotating in the opposite direction to the one side rotation direction R, and thus This can prevent the drawer from moving from the open state to the closed state. Here, the bumper part 250 may play a role of alleviating the impact of the drawer moving in the sixth direction.

FIG. 17 is a view illustrating a process of changing the pinch prevention device of FIG. 16 from a passing mode to an open mode, and FIG. 18 is a view illustrating a state in which the drawer of FIG. 17 moves from an open state to a closed state. 19 is a diagram illustrating a process of changing the pinch prevention device of FIG. 18 from the open mode to the pass mode.

Referring to FIGS. 17, 18 and 19, when the guide rod 150 is moved from the passage mode region AR1 to the open mode region AR3, the hand pinch preventing device is Can be operated in open mode.

In detail, when the guide rod 150 is shifted from the main guide hole GH1 to the open guide hole GH2 and then moved to the open mode area AR3, the first rod is positioned. Body portion 100, the second body portion 200 and the connecting portion 300 is moved together in the third direction (D3), thereby the second body portion 200 is the inner space of the drawer It can be positioned to deviate from, or just slightly overhang. Then, when the drawer is moved by the force in the sixth direction D6, the drawer may be changed from an open state to a closed state without being blocked by the second body part 200. As such, when the hand pinch preventing device is operated in the open mode, the drawer may be changed from the closed state to the open state or vice versa freely.

Thereafter, when the guide rod 150 moves from the open mode area AR3 to the pass mode area AR1 and is positioned, the hand pinch preventing device may be operated again in the pass mode.

FIG. 20 is a view illustrating a process of changing the pinch prevention device of FIG. 19 from the passing mode to the blocking mode, and FIG. 21 is a view of the pinch preventing device of FIG.

Referring to FIGS. 20 and 21, when the guide rod 150 is moved from the passing mode region AR1 to the blocking mode region AR2, the hand pinch preventing device operates in the blocking mode. Can be.

In detail, when the guide rod 150 moves from the passing mode region AR1 to the blocking mode region AR2, the first body portion 100 and the second body portion 200 are positioned. ) And the connecting portion 300 may rotate 180 degrees about the central axis CA. Therefore, the bumper part 250 may be positioned to face the drawer. Therefore, the drawer may be blocked from moving from the closed state to the open state by the force in the sixth direction D6.

As described above, the guide rod 150 may be moved to be located in any one of the passing mode region AR1, the blocking mode region AR2, and the open mode region AR3. The operation mode of the pinch prevention device may be selected and operated as one of a pass mode, a block mode, and an open mode.

Hereinafter, an example in which the hand pinching device is attached to an object other than a chest of drawers will be described.

22 and 23 are front views illustrating a state in which the pinch prevention device of FIG. 1 is attached to the outer door.

22 and 23, the target object 10 may be an outer door.

The outer door may include a door frame and one door. In this case, the first structure 12 may be a door frame, and the second structure 14 may be a door. On the other hand, as shown in Figure 22 the hand pinch preventing device may be installed in the door frame in the vertical direction, as shown in Figure 23 the hand pinch preventing device may be installed in the door frame in the horizontal direction.

24 and 25 are front views illustrating a state in which the pinch prevention device of FIG. 1 is attached to the double door.

24 and 25, the target object 10 may be a double door.

The double door may include a door frame and two doors. In this case, as illustrated in FIG. 24, the first structure 12 may be a door frame, and the second structure 14 may be any one of doors. In addition, as shown in FIG. 25, the first structure 12 may be any one door, and the second structure 14 may be the other door.

As described above, according to the present embodiment, when the hand pinching prevention device is operated in the pass mode, the second body part 200 can be rotated only in the one rotation direction with respect to the first body part 100. Accordingly, the second structure 14 may be moved by an external force to change from the closed state to the open state. In addition, as the second body portion 200 is rotated in the one rotational direction and then returned to its original position by elasticity, the second structure 14 is moved by an external force to change from an open state to a closed state. Can be blocked.

Thus, when the second structure 14 is changed from the closed state to the open state, even if a human finger is located between the first and second structures 12 and 14, the second structure 14 As a) is blocked from being changed from the open state to the closed state, the human finger can be prevented from being injured by being caught between the first and second structures 12 and 14.

<Example 2>

FIG. 26 is a view illustrating a state in which a housing part and an attaching part are removed in a hand pinching device according to a second embodiment of the present invention;

The pinching prevention device according to the present embodiment is substantially the same as the pinching prevention device of the first embodiment described with reference to FIGS. 1 to 25 except for the outer grooves 312 and the inner grooves 322, and thus, the first embodiment. Like reference numerals refer to like elements, and detailed descriptions thereof will be omitted.

Referring to FIG. 26, an outer groove 312 may be formed on an outer surface of the connection part 300 in the fifth direction D5. For example, the outer groove 312 may have a trapezoidal shape, a right triangle or an equilateral triangle.

An inner groove 322 may be formed on an outer side surface of the connection part 300 in the sixth direction D6. For example, the inner groove 322 may be formed at a position adjacent to the central axis CA or the central axis CA, and may be connected to the first contact surface CP1 and the second contact surface CP2. . In addition, the inner groove 322 may have a semicircle, a semi-ellipse shape or a rounded curved shape, and may be formed in a smaller size than the outer groove 312. Meanwhile, a plurality of wrinkles (not shown) may be further formed in the inner groove 322 so that the second body portion 200 can be more easily spread from the first body portion 100.

<Example 3>

27 is a view of a first body portion, a second body portion, a connecting portion, a guide rod, and a bumper portion from one side of the hand-holding prevention device according to the third embodiment of the present invention, and FIG. 28 is a hand-holding prevention of FIG. 27. The first body portion, the second body portion, the connecting portion, the guide rod and the bumper of the device as viewed from above, Figure 29 is a view showing a state cut along the line IV-IV 'of FIG.

The hand-holding prevention device according to the present embodiment is a hand-holding prevention device of the second embodiment described with reference to FIG. 26 except for a connection relationship between the first and second body parts 100 and 200 by the connection part 300. Since they are substantially the same, the same reference numerals will be used for the same elements as those in the second embodiment, and detailed description thereof will be omitted.

Referring to FIGS. 27, 28, and 29, the connection part 300 is formed as a separate member from the first and second body parts 100 and 200 so that the first and second body parts 100 and 200 are formed. ) Can be connected. That is, the connection part 300 may be inserted into the first and second body parts 100 and 200, respectively, to connect the first and second body parts 100 and 200. Here, the connection part 300 may be made of synthetic resin, for example, rubber, and preferably made of a material having elasticity, ductility, or bending greater than those of the first and second body parts 100 and 200. As such, when the connection part 300 is formed of a material having elasticity, ductility, or bending greater than that of the first and second body parts 100 and 200, the second body part 200 may be rotated in one direction R. Can be rotated more easily.

Specifically, the first body portion 100 may be formed with a first coupling groove for receiving the first side portion of the connection portion 300. A second coupling groove may be formed in the second body portion 200 to receive a second side portion of the connection portion 300 facing the first side portion. Therefore, the connection part 300 is inserted into the first coupling groove is coupled to the first body portion 100 and inserted into the second coupling groove and coupled to the second body portion 200, thereby the first And second body parts 100 and 200.

In the present embodiment, at least one first serrated protrusion 302 is perpendicular to the fourth direction D4 or is inclined at an acute angle on the first side of the connection part 300 inserted into the first coupling groove. It is formed to protrude, the first coupling groove may be formed with at least one first tooth groove for accommodating the first tooth projection. For example, the first tooth protrusion 302 may be formed to protrude to both sides of the first side of the connecting portion 300, respectively, the first tooth groove may be formed on both sides of the first coupling groove, respectively. . As such, when the first tooth projection 302 is formed on the first side of the connection portion 300 and the first tooth groove is formed in the first coupling groove, the first portion of the connection portion 300 is formed. When the first side part is inserted into the first coupling groove and coupled, the first side part may be prevented from being separated in the fourth direction D4, thereby the first side part and the first body part 100 of the connection part 300. Cohesion between them can be increased.

In addition, at least one second toothed protrusion 304 protrudes in a direction perpendicular to the third direction D3 or inclined at an acute angle on the second side portion of the connection part 300 inserted into the second coupling groove. At least one second tooth groove may be formed in the second coupling groove to accommodate the second tooth protrusion. For example, the second tooth protrusion 304 is formed to protrude to both sides of the second side of the connecting portion 300, respectively, the second tooth groove may be formed on both sides of the second coupling groove, respectively. . As such, when the second tooth projection 304 is formed on the second side of the connection portion 300, and the second tooth groove is formed in the second coupling groove, the second portion of the connection portion 300 is formed. When the two sides are inserted into and coupled to the second coupling groove, the separation in the third direction D3 can be suppressed, whereby the second side of the connection part 300 and the second body part 100 are separated. Cohesion between them can be increased.

Meanwhile, when the connection part 300 is inserted into and coupled to the first and second body parts 100 and 200, respectively, the connection part 300 may be coupled using an adhesive or the like, and in some cases, the first tooth protrusion 302 The first tooth groove, the second tooth protrusion 304 and the second tooth groove may be omitted. In addition, the inner groove 322 as shown in Figure 26 may also be omitted.

<Example 4>

FIG. 30 is an exploded view illustrating a state in which a housing part is cut in a sixth direction from a central axis among the hand-holding prevention devices according to the fourth embodiment of the present invention, and FIG. 31 is a view showing the hand-holding prevention device of FIG. 30 in the closed mode. It is a view seen from the other side.

The handhold prevention device according to the present embodiment is substantially the same as the handhold prevention device of the first embodiment described with reference to FIGS. 1 to 25, except that the guide hole 410 further includes a closed guide hole GH2. Therefore, the same reference numerals are assigned to the same elements as in the first embodiment, and detailed description thereof will be omitted.

30 and 31, the guide hole 410 formed in the housing part 400 is an area corresponding to the second direction D2 of the main guide hole GH1, that is, the blocking mode area ( The display device may further include a closing guide hole GH4 extending from the AR2 in the fourth direction D4. In this case, a closing mode region AR4 may be formed at an end portion of the closing guide hole GH3 in the fourth direction D4. Therefore, the guide rod 150 may move to the closed mode region AR4 after the direction is changed from the main guide hole GH1 to the closed guide hole GH3.

In the present embodiment, when the guide rod 150 is moved to the closed mode area AR4 and positioned, the second body part 200 is connected to the first body part 100 and the connection part 300. Together, it may be moved in the fourth direction D4. Therefore, rotation of the second body part 200 in the one side rotation direction R may be blocked. Meanwhile, when the bumper part 250 faces the second structure 14 as shown in FIG. 21, the blocking mode is when the guide rod 150 is positioned in the closed mode area AR4. The second structure 14 can be more strongly prevented from moving from the closed state to the open state than if it is located in the area AR2.

In the present exemplary embodiment, the housing part 400 may include at least one closing mode stopper SP4 protruding in the inward direction of the closing guide hole GH3 at a position adjacent to the closing mode area AR4. . That is, the closed mode stopper SP4 may be formed to protrude in a direction opposite to the guide rotation direction or the guide rotation direction at a position adjacent to the closed mode area AR4 in the third direction D3.

Accordingly, the closed mode stopper SP4 suppresses the guide rod 150 from moving in the third direction D3 in the closed mode region AR4 so that the guide rod is not applied when an external force greater than a reference value is not applied. It may serve to fix 150 to the closed mode area AR4. Meanwhile, since the closed mode area AR4 may replace the function of the blocking mode area AR2, the blocking mode area AR2 may be omitted. That is, as shown in FIG. 30, the blocking mode area AR2 and the blocking mode stopper SP2 may be omitted.

In the detailed description of the present invention described above with reference to the preferred embodiments of the present invention, those skilled in the art or those skilled in the art having ordinary skill in the art will be described in the claims to be described later It will be understood that various modifications and variations can be made in the present invention without departing from the scope of the present invention.

100: first body portion 150: guide rod
200: second body portion 250: bumper portion
300: connection part 400: housing part
410: guide hole 500: attachment portion

Claims (20)

And a first structure and a second object that includes a second structure that is in a closed state when disposed adjacent to the first structure and can be changed to an open state when away from the first structure. In
A first body portion;
A second body part disposed adjacent to the first body part in one side direction;
A connection part connecting the first and second body parts and having elasticity;
A housing portion accommodating at least a portion of the first body portion and fixed to any one of the first and second structures,
A first contact surface is formed on one surface of the first body portion facing the second body portion, and a second contact surface facing the first contact surface is formed on one surface of the second body portion facing the first body portion,
The first and second contact surfaces are located on one side facing the one structure of the connecting portion,
The second body portion
It is possible to rotate in one rotational direction about the connection portion so that the first and second contact surfaces are open, but in the opposite direction of the one rotational direction about the connection portion by contact between the first and second contact surfaces. Hand pinching prevention device, characterized in that it is impossible to rotate. The device of claim 1, wherein the target object includes any one of a furniture and a swing door installed with a drawer. delete The device of claim 1, further comprising an attachment portion formed on an outer surface of the housing and attached to the one structure to fix the housing portion to the one structure. According to claim 1, wherein the first body portion has a cylindrical shape with the central axis in the height direction,
And the housing portion has a cylindrical shape to receive at least a portion of the first body portion. The method of claim 5, wherein a direction perpendicular to the central axis is defined as a first direction, a direction perpendicular to the central axis and opposite to the first direction is defined as a second direction, and a direction parallel to the central axis is defined. 3 directions, a direction parallel to the center axis and opposite to the third direction, as the fourth direction, and a direction perpendicular to the center axis and the first direction as the fifth direction, and the center axis and the When defining a direction perpendicular to the first direction and opposite to the fifth direction as the sixth direction,
The one side rotation direction is a hand pinch prevention device, characterized in that the rotation in the fourth direction from the fourth direction with respect to the center of the connecting portion. The method of claim 6, wherein the second body portion has an inclined surface formed along the direction between the fourth direction and the fifth direction from the outer surface in the sixth direction to the outer surface in the fourth direction Hand pinch prevention device. According to claim 6, Protruding in the direction perpendicular or inclined to the central axis from the first body portion to pass through the guide hole formed in the housing portion, when moving along the guide hole can also move the first body portion together Hand pinch prevention device, characterized in that it further comprises a guide rod. The method of claim 8, wherein the guide hole comprises a main guide hole formed extending in the guide rotation direction toward the second direction through the fifth direction from the first direction,
The passage mode region is formed at one end of the main guide hole in the guide rotation direction,
And a blocking mode region is formed at the other end of the main guide hole in the direction of rotation of the guide opposite to the one end of the main guide hole. The method of claim 9, wherein the guide hole further comprises an opening guide hole formed to extend in the third direction from the main guide hole,
Hand opening prevention device, characterized in that the opening mode region is formed at the end of the opening guide hole in the third direction. The method of claim 10, wherein the housing portion
At least one passage mode stopper protruding inwardly of the main guide hole at a position adjacent to the passage mode region;
At least one blocking mode stopper protruding inwardly of the main guide hole at a position adjacent to the blocking mode region; And
And at least one open mode stopper protruding in the inward direction of the open guide hole at a position adjacent to the open mode area. The method of claim 10, wherein the guide hole further comprises a closing guide hole formed extending in the fourth direction from the blocking mode area of the main guide hole,
And a closing mode region is formed at an end portion of the closing guide hole in the fourth direction. The method of claim 12, wherein the housing portion
At least one passage mode stopper protruding inwardly of the main guide hole at a position adjacent to the passage mode region;
At least one open mode stopper protruding in the inward direction of the open guide hole at a position adjacent to the open mode area; And
And at least one closing mode stopper protruding inwardly of the closing guide hole at a position adjacent to the closing mode area. 7. The pinch prevention device according to claim 6, further comprising a bumper portion formed at an end portion of the second body portion in the fourth direction among the outer surfaces in the fifth direction. The pinching prevention device according to claim 6, wherein the connection part is disposed at a position where a center thereof is moved in the fifth direction from the central axis. The device of claim 1, wherein an outer groove is formed on the other side of the connecting part opposite to the one side. The device of claim 1, wherein an inner groove connected to the first and second contact surfaces is formed at one side of the connection unit. The device of claim 1, wherein the first body portion, the second body portion, and the connection portion are integrally formed. The method of claim 1, wherein a first coupling groove is formed on one surface of the first body portion facing the second body portion, and a second coupling groove is formed on one surface of the second body portion facing the first body portion. And
The connection part is inserted into the first and the second coupling groove, respectively, characterized in that the hand pinch prevention device, characterized in that for connecting between the first and second body parts. delete

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