Soft closing assembly and windows including the same

Abstract

A soft closing assembly according to the present invention is a soft closing assembly configured to reduce the closing speed of a window sash when the window sash is closed along a rail protruding downward from the inner surface of a window frame, comprising: a first surface mounted on the inner surface of the window frame; a first body having a damping portion inside and a second surface facing the rail, having a moving portion according to the closing direction of the window frame; a damping unit connected to the damping portion and having a latch protruding to the second surface and configured to move along the moving portion of the second surface; a second body mounted on the upper part of the window sash to face the damping unit; a link protruding to the outside of the second body and configured to move along the moving portion of the second surface together with the latch while in a state of being engaged with the latch; and a locking unit equipped with an elastic member that elastically supports the second body so that the link moves to its original position.

Description

Technology Field

[0001] The present invention relates to a soft closing assembly and a window including the same, and more specifically, to a soft closing assembly and a window including the same that can reduce noise or impact caused by contact with the window frame by inducing the window sash to close slowly when the window sash is closed. Background Technology

[0002] Windows are installed in walls to separate indoor and outdoor spaces and to ventilate the indoor air by drawing outdoor air into the interior.

[0003] These windows include a window frame installed embedded in a wall and a window sash provided inside the frame to move along the frame.

[0004] Windows are classified into sliding windows and casement windows depending on the opening and closing method.

[0005] In addition, windows and doors must satisfy inherent performance requirements such as airtightness, thermal insulation, sound insulation, watertightness, and wind pressure resistance.

[0006] Meanwhile, a sliding window includes a window frame and a window sash that is slidably movable along the window frame.

[0007] At this time, the window sash slides along the window frame by means of a roller mounted on the bottom.

[0008] When a large force is applied to the window to close the above window, the window sash closes quickly due to the large force applied to the window. When the window sash closes quickly, a large impact or noise occurs when the window sash hits the side of the window frame, and furthermore, damage to the window sash and window frame occurs.

[0009] In the case of system windows, automatic locking of the window is performed by the handle used to open and close the window sash.

[0010] When a small amount of force is applied to the window sash to prevent impact or noise from occurring when the window sash closes, the window does not close completely, and as a result, the automatic locking of the window using the handle frequently fails.

[0011] Recently, windows and doors are becoming increasingly heavy due to improvements in thermal insulation and airtightness. Consequently, safety accidents frequently occur where users' body parts, such as fingers or toes, get caught between the window sash and the frame while closing the window.

[0012] In order to solve the above problems, many window damper assemblies are being developed to induce the window to close slowly and smoothly through damping action during the closing operation of the window.

[0013] Korean Registered Patent No. 10-2519537 (Title of Invention: Damper Assembly for Sliding Window, Publication Date: April 10, 2023) discloses a damper assembly comprising a case including a damping part installed on one side of the upper part of a window and having a locking projection formed thereon, a fixed plate installed on the inner surface of a window frame, a pivoting locking piece hinge-coupled to the fixed plate, and an elastic spring that imparts elastic force to the pivoting locking piece. Registered Patent No. 10-2519537 is a technology for inducing a window to close slowly and smoothly through a damping action during the closing operation of a sliding window or a sliding window, by engaging the locking projection of the damping part with the pivoting locking piece during the closing operation of the window.

[0014] The damping part of the above Korean registered patent No. 10-2519537 is installed so as to be exposed to the outside on the upper side of the window, and the pivoting locking piece corresponding to the damping part is installed so as to be exposed to the outside on the inner side of the window frame.

[0015] As such, since the damping part is installed on the upper side of the window and the pivoting piece is installed on the inner side of the window frame, the gap between the window and the window frame is inevitably widened. Furthermore, since both the damping part and the pivoting piece are exposed to the outside, they impair the aesthetics of the window and are at risk of corrosion due to moisture contained in the air.

[0016] Meanwhile, when the damping member is installed on a window, the locking projection of the damping member faces the window frame. At this time, since the locking projection always remains in a protruding state even in a position where the pivot locking piece is not engaged, the aesthetic appearance of the window may be compromised.

[0017] In addition, as it remains protruding outward from the window, it may impair the aesthetics of the window, and there is a risk of safety accidents occurring, such as a user's hand getting caught in the damping part including the locking projection and the rotating locking piece.

[0018] In cases where windows are made of PVC material in accordance with recent trends, the weight of the window is inevitably increased when the damping member is installed in the window. If the window becomes heavy, even if the damping member catches on the pivot catch of the window frame, the damping action of closing the window smoothly may not be properly performed. The problem to be solved

[0019] The objective of the present invention is to provide a soft closing assembly that allows the window sash to close smoothly by reducing the closing speed of the window sash when the window sash closes along the rail of the window frame, and a window including the same.

[0020] The problems that the present invention aims to solve are not limited to those mentioned above, and other unmentioned problems will be clearly understood by those skilled in the art from the description below. means of solving the problem

[0021] The above objective can be achieved by a soft closing assembly provided to reduce the closing speed of a window sash when the window sash is closed along a rail protruding downward from the inner surface of a window frame, according to the present invention, comprising: a first body having a first surface mounted on the inner surface of the window frame, a second surface facing the rail and having a damping portion inside, provided with a moving portion according to the closing direction of the window frame; a damping unit having a latch connected to the damping portion, protruding toward the second surface, and configured to be movable along the moving portion of the second surface; a second body mounted on the upper part of the window sash to face the damping unit; a link protruding outside the second body and configured to be movable along the moving portion of the second surface together with the latch while engaged with the latch; and a locking unit equipped with an elastic member that elastically supports the second body so that the link moves to its original position.

[0022] When the above link and the above latch are engaged, the above link may face the above latch.

[0023] The first body may include a third surface that is provided in a direction facing the second surface and contacts the inner surface of the rail.

[0024] A plurality of rails are provided in the above window frame, and the inner surface of the window frame connects an adjacent pair of rails, and the first surface of the first body contacts the inner surface of the window frame, and the third surface of the first body contacts the inner surface of one of the pair of rails, and a latch protruding from the second surface of the first body may face the inner surface of the other rail.

[0025] The inner surface of the other rail and the latch have a predetermined gap, and when the window sash is closed, the link may be placed in the gap.

[0026] When mounting the window sash equipped with the above-mentioned locking unit onto the above-mentioned window frame, if an external force is applied to the above-mentioned link, the above-mentioned link may be pressed in a direction closer to the above-mentioned second body.

[0027] When the external force applied to the above link is relieved, the above link can be restored to its original position where it can engage with the above latch when the window sash is closed.

[0028] A first guide groove may be provided on the first surface of the first body, the guide groove having a moving section in which the latch moves and a stopping section at the end of the moving section in which the latch stops.

[0029] When the window sash is closed, the latch moves along the stop section of the first guide groove, and when it reaches the end of the first guide groove, it can rotate toward the stop section.

[0030] The damping member is provided with a gas spring, and the latch can be axially coupled to the damping member by at least one latch fixing pin.

[0031] When the window sash is moved in the opening direction, the latch is located in the stopping section, and when the window sash is moved in the closing direction, the link can be engaged with the latch located in the stopping section.

[0032] A second guide groove may be provided on the second surface of the second body, which communicates with the first guide groove and has a moving section in which the latch moves.

[0033] The above latch may include a pair of latch protrusions provided at a predetermined interval and a support protrusion provided on one of the pair of latch protrusions to support the lower end of the link so that the link, which is hooked between the pair of latch protrusions, does not detach between the pair of latch protrusions.

[0034] The above support projection may be provided to protrude from one projection of a pair of latch projections toward the other projection.

[0035] The above buffer unit may include a finishing cover mounted on at least one of the two ends of the first body.

[0036] The above-mentioned finishing cover may be provided with a notch groove that is recessed inwardly on one side of the finishing cover.

[0037] The second body may be provided with an elastic member mounting portion that protrudes from one surface of the second body and is fitted with the elastic member.

[0038] The above elastic member mounting portion may be provided on the lower side of the link such that the upper portion of the elastic member mounted on the elastic member mounting portion contacts the lower portion of the link.

[0039] One or more first coupling holes may be provided in the second body.

[0040] One or more second coupling holes may be provided in the second body at a position spaced apart from the first coupling hole.

[0041] At one end of the second body, a mounting guide portion is provided that protrudes in a direction toward the window sash from the lower end of the second body, and when the locking unit is mounted on the window sash, the mounting guide portion can be caught on the corner of the window sash.

[0042] Meanwhile, according to another aspect of the present invention, the above objective is provided with a window frame having one or more rails protruding downward from an inner surface, a window sash movably arranged along the rail of the window frame, a first surface mounted on the inner surface of the window frame that reduces the closing speed of the window sash when the window sash is closed along the rail of the window frame, a first body having a damping member inside and a second surface facing the rail and a moving section according to the closing direction of the window frame, a damping unit connected to the damping member and protruding toward the second surface and movably arranged along the moving section of the second surface, a second body mounted on the upper part of the window sash to face the damping unit, a link protruding outside the second body and movably arranged along the moving section of the second surface together with the latch while in a state of being caught on the latch, and a locking unit equipped with an elastic member that elastically supports the second body so that the link moves to its original position.

[0043] When the above link and the above latch are engaged, the above link may face the above latch.

[0044] The first body is provided in a direction facing the second surface and includes a third surface that contacts the inner surface of the rail, and the window frame is provided with a plurality of rails, the inner surface of the window frame connects an adjacent pair of rails, the first surface of the first body contacts the inner surface of the window frame, the third surface of the first body contacts the inner surface of one of the pair of rails, and a latch protruding from the second surface of the first body may face the inner surface of the other rail.

[0045] The inner surface of the other rail and the latch have a predetermined gap, and when the window sash is closed, the link may be placed in the gap.

[0046] At least one reinforcing member is provided inside the first window sash frame, and the reinforcing member can be combined with the locking unit and the first window sash frame. Effects of the invention

[0047] According to a soft closing assembly and a window including the same related to an embodiment of the present invention, a cushioning unit is mounted on the inner side of a window frame, and a locking unit is mounted on the upper side of a window sash so as to face the cushioning unit. When the window sash with the locking unit mounted thereon is mounted on the window frame, if an external force is applied to the link of the locking unit by the window frame, the link is pressed in a direction toward the second body.

[0048] After the window sash is mounted on the window frame, when the external force applied to the link is released, the link expands in a direction away from the second body and returns to its original position. In this way, as the link of the locking unit is elastically supported by an elastic member, the process of mounting the window sash equipped with the locking unit onto the window frame becomes convenient for the operator, and it is possible to prevent damage to the soft closing assembly, as well as the window sash or window frame, or breakage due to impact during the process of mounting the window sash to the window frame.

[0049] In addition, according to the soft closing assembly and the window including the same related to the embodiment of the present invention, the cushioning unit is installed to contact the inner surface of one of a pair of rails provided on the inner surface of the window frame, and the latch of the cushioning unit is installed to face the inner surface of the other rail, so that the position where the cushioning unit is mounted on the window frame is the same regardless of the worker's skill level. Accordingly, work convenience is provided to the worker, and reliability regarding the installation of the window is provided to the user.

[0050] Furthermore, according to the soft closing assembly and the window including the same related to the embodiment of the present invention, since the cushioning unit is installed to contact the inner surface of the window frame and the inner surface of the rail, when the window sash equipped with the locking unit is mounted on the window frame, the latch of the cushioning unit does not catch on the locking unit or the window sash, thereby providing convenience to the worker during window assembly. Moreover, since the cushioning unit does not protrude or expose to the outside relative to the pair of rails of the window frame, the aesthetic appearance of the window can be maintained in an excellent state.

[0051] In addition, according to the soft closing assembly and the window including the same related to the embodiment of the present invention, when the window sash is closed, the closing speed of the window sash is reduced as the link of the locking unit engages with the latch of the cushioning unit, thereby significantly reducing the impact or noise caused by the window sash colliding with the side of the window frame due to the force applied to the window sash, and preventing safety accidents in which a user's fingers or toes are caught between the side of the window frame and the window sash.

[0052] In addition, according to the soft closing assembly and the window including the same related to the embodiment of the present invention, the window sash can be completely closed even when a force less than the weight of the window sash is applied to close it, or when a force less than that of the conventional method is applied to the window sash. Accordingly, the inherent performance of the window can be satisfied by ensuring that the window locking using the handle in the system window is performed normally.

[0053] The effects of the present invention are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art from the description below. Brief explanation of the drawing

[0054] FIG. 1 is a drawing showing a window including a soft closing assembly according to one embodiment of the present invention. Figure 2 is a drawing showing the inner surface of the window frame excluding the window sash in area A shown in Figure 1. Figure 3 is a drawing showing the window sash excluding the window frame in area A shown in Figure 1. Figure 4 is a drawing in which part of the window frame has been removed from the window shown in Figure 1. Figure 5 is a cross-sectional view of the BB shown in Figure 4. FIG. 6 is a side view and a partial enlarged view of the buffer unit illustrated in FIG. 4. FIG. 7 is a side view showing the buffer unit illustrated in FIG. 6 viewed from a different angle. FIG. 8 is an exploded perspective view of the buffer unit illustrated in FIG. 6. FIG. 9 is a combined perspective view of the locking unit illustrated in 4. FIG. 10 is an exploded perspective view of the locking unit illustrated in FIG. 9. Figure 11 is an enlarged view of part C shown in Figure 5. FIGS. 12 to 16 are drawings showing the closing operation process of the window shown in FIG. 4. Specific details for implementing the invention

[0055] Hereinafter, a soft closing assembly according to an embodiment of the present invention and a window including the same will be described in detail.

[0056] Additionally, identical or corresponding components are assigned the same or similar reference numbers regardless of drawing symbols, and redundant descriptions thereof are omitted; furthermore, for the convenience of explanation, the size and shape of each illustrated component may be exaggerated or reduced.

[0057] FIG. 1 is a drawing showing a window including a soft closing assembly according to an embodiment of the present invention, FIG. 2 is a drawing showing the inner surface of a window frame excluding the window sash in area A shown in FIG. 1, and FIG. 3 is a drawing showing the window sash excluding the window frame in area A shown in FIG. 1. FIG. 4 is a drawing showing the window with a part of the window frame removed from the window shown in FIG. 1, and FIG. 5 is a cross-sectional view of BB shown in FIG. 4. FIG. 6 is a side view and a partial enlarged view of a cushioning unit shown in FIG. 4, FIG. 7 is a side view showing the cushioning unit shown in FIG. 6 viewed from a different angle, and FIG. 8 is an exploded perspective view of the cushioning unit shown in FIG. 6. FIG. 9 is an assembled perspective view of a locking unit shown in FIG. 4, and FIG. 10 is an exploded perspective view of the locking unit shown in FIG. 9. FIG. 11 is an enlarged view of part C shown in FIG. 5. FIGS. 12 to 16 are drawings showing the closing operation process of the window shown in FIG. 4.

[0058] In the coordinate system illustrated in the drawing, the X-axis represents the direction of movement of the window sash (200) moving along the rails (101, 102) of the window frame (100), and the Y-axis represents the direction of movement of the latch (3130) of the buffer unit (3100) and the link (3220) of the locking unit (3200).

[0059] Referring to FIGS. 1 to 16, a window (1000) according to one embodiment of the present invention comprises a window frame (100) having at least one rail (101, 102), a window sash (200) movably arranged along the rail (101, 102) of the window frame (100), and a soft closing assembly (300) arranged to reduce the closing speed of the window sash (200) when the window sash (200) is closed along the rail (101, 102) of the window frame (100).

[0060] The soft closing assembly (300) may include a cushioning unit (3100) mounted on the inner side (100a) of the window frame (100) and a locking unit (3200) mounted on the upper part of the window sash (200) facing the cushioning unit (3100).

[0061] When the window sash (200) is closed, the locking unit (3200) is engaged with the cushioning unit (3100), thereby reducing the closing speed of the window sash (200). As the closing speed of the window sash (200) is reduced, the window sash (200) closes slowly, thereby mitigating the impact or noise caused by the window sash (200) and the window frame (100) colliding.

[0062] At least one first reinforcing member (120) may be installed inside the window frame (100) on which the above buffer unit (3100) is installed.

[0063] The first reinforcing member (120) can supplement the structural rigidity of the window frame (100) so that the cushioning unit (3100) can be mounted more stably on the window frame (100).

[0064] For example, the first reinforcing material (120) may include steel material.

[0065] The above window sash (200) may include a first window sash frame (201) and a second window sash frame (202) provided at a predetermined distance from the first window sash frame (201). The first window sash frame (201) refers to a frame that is exposed relatively to the outside compared to the second window sash frame (202), and the second window sash frame (202) may be a frame that is exposed to the inside compared to the first window sash frame (201).

[0066] The locking unit (3200) is mounted on the upper part of the first window sash frame (201). Here, the locking unit (3200) is mounted to face the cushioning unit (3100) mounted on the inner surface (100a) of the window frame (100).

[0067] Meanwhile, the above window frame (100) may be provided with a plurality of rails.

[0068] Among the plurality of rails above, a pair of adjacent rails (101, 102) are connected by the inner surface (100a) of the window frame (100).

[0069] The cushioning unit (3100) is mounted on the inner surface (100a) of the window frame (100) connecting the pair of rails (101, 102).

[0070] The above buffer unit (3100) includes a first body (3110) and a latch (3130).

[0071] The first body (3110) may be provided in the form of a rectangular prism with a hollow interior.

[0072] The first body (3110) may include a first surface (3110a) mounted on the inner side (100a) of the window frame (100) and a second surface (3110b) facing the rail (102) of the window frame (100), with a moving section provided according to the closing direction of the window frame (100).

[0073] Additionally, the first body (3110) may include a third surface (3110c). The third surface (3110c) is provided in a direction facing the second surface (3110b).

[0074] A first guide groove (3112) may be provided on the first surface (3110a) of the first body (3110).

[0075] The first guide groove (3112) may include a moving section in which the latch (3130) moves.

[0076] At this time, the first guide groove (3112) may include a plurality of movement sections.

[0077] The first guide groove (3112) may include a straight moving section and a stopping section (3112a) formed by bending in one direction at the end of the straight moving section. At least a portion of the latch (3130) that moves along the moving section when the window sash (200) is opened may be located in the stopping section (3112a).

[0078] A second guide groove (3113) may be provided on the second surface (3110b) of the first body (3110).

[0079] The second guide groove (3113) described above may include a straight-line movement section, similar to the first guide groove (3112) described above.

[0080] A damping part (3120) is provided inside the first body (3110).

[0081] The latch (3130) is connected to the damping part (3120). In other words, the damping part (3120) can be provided inside the first body (3110) in a state where the latch (3130) is connected to the end and is movable along the movement section of the first body (3110).

[0082] At this time, at least a portion of the latch (3130) may be exposed to the outside of each of the first guide groove (3112) and the second guide groove (3113).

[0083] The above latch (3130) is configured to be movable along the first guide groove (3112) and the second guide groove (3113) by the damping part (3120).

[0084] The damping part (3120) above may be provided with a gas spring commonly used and may include an operating rod (3122).

[0085] The latch (3130) is connected to the end of the operating rod (3122) of the damping member (3120). At this time, the latch (3130) is axially coupled to the operating rod (3122) of the damping member (3120) by at least one latch fixing pin (3131a). Accordingly, the latch (3130) can be rotated in one direction around the latch fixing pin (3131a).

[0086] Meanwhile, when the above buffer unit (3100) is mounted on the window frame (100), the first body (3110) is mounted on the inner surface (100a) of the window frame (100).

[0087] At this time, the first surface (3110a) of the first body (3110) contacts the inner surface (100a) of the window frame (100) connecting the pair of rails (101, 102). The third surface (3110c) of the first body (3110) contacts the inner surface of one of the pair of rails (101, 102), and the second surface (3110b) facing the third surface (3110c) of the first body (3110) is arranged to face the inner surface of the other rail (102) of the pair of rails (101, 102) that is not contacted by the third surface (3110c).

[0088] On the inner surface of the other rail (102) facing the second surface (3110b) above, a latch (3130) protruding from the second surface (3110b) of the first body (3110) faces.

[0089] At this time, when the latch (3130) and the link (3220) face each other, the latch (3130) of the buffer unit (3100) and the link (3220) of the locking unit (3200) are engaged.

[0090] Referring to FIG. 11, the inner surface of the other rail (102) and the latch (3130) have a predetermined gap (d).

[0091] When the window sash (200) is closed, the link (3220) of the locking unit (3200) is positioned in the gap (d). Accordingly, when the window sash (200) is moved in the closing direction, the link (3220) of the locking unit (3200) can be stably engaged with the latch (3130) of the buffer unit (3100).

[0092] The first surface (3110a) of the first body (3110) is positioned to contact the inner surface (100a) of the window frame (100), and in that state, the third surface (3110c) of the first body (3110) is mounted to contact a rail (101), thereby providing the worker with the convenience of installing the cushioning unit (3100).

[0093] In addition, since the position of the buffer unit (3100) is maintained consistently regardless of the operator's skill level, the operational reliability of the soft closing assembly (300) according to one embodiment of the present invention can be improved.

[0094] In addition, when a buffer unit (3100) is mounted between the pair of rails (101, 102), the buffer unit (3100) is not exposed to the outside or protrudes from the end of the pair of rails (101, 102). In this way, even if the buffer unit (3100) is mounted on the inner surface (100a) of the window frame (100), when the window sash (200) moves in the closing direction, the link (3220) of the locking unit (3200) is reliably engaged with the latch (3130) of the buffer unit (3100), and the window sash (200) can slide reliably along the rails (101, 102) of the window frame (100).

[0095] Meanwhile, the above buffer unit (3100) may further include a latch guide (3160).

[0096] The above latch guide (3160) is provided inside the first body (3110) and can guide the movement of the latch (3130) connected to the damping part (3120). At this time, the latch guide (3160) may be provided in a 'U' shape with an open top end, but is not necessarily limited thereto.

[0097] The above latch (3130) may include a pair of latch protrusions (3131, 3132) provided at a predetermined interval and a latch protrusion (3131) provided on one of the pair of latch protrusions (3131, 3132), and may include a support protrusion (3134) that supports the link (3220) so that the link (3220) does not detach between the pair of latch protrusions (3131, 3132).

[0098] The above support projection (3134) can protrude from one of the pair of latch projections (3131, 3132) toward the other latch projection (3132).

[0099] Additionally, at least one of the pair of latch protrusions (3131, 3132) may be covered with a rubber cover (not indicated in the drawing), but it is preferable that both of the pair of latch protrusions (3131, 3132) be covered with a rubber cover.

[0100] When a rubber cover is placed over the latch projections (3131, 3132), the frictional force between the pair of latch projections (3131, 3132) and the link (3220) is reduced, thereby more effectively preventing the locking part (3222) of the link (3220) from detaching from the pair of latch projections (3131, 3132).

[0101] A pair of latch protrusions (3131, 3132) and a support protrusion (3134) protrude outside the first guide groove (3112), and the latch fixing pin (3131a) protrudes outside the second guide groove (3113).

[0102] The above latch (3130) moves linearly in the left and right directions along the first guide groove (3112) by the insertion and withdrawal operation of the operating rod (3122) for the damping part (3120).

[0103] For example, when the operating rod (3122) is withdrawn from the damping part (3120) (in the closing direction of the window sash), the latch (3130) moves along the first guide groove (3112) in the left direction (in the closing direction of the window sash). At this time, the window sash (200) may be in a closed state.

[0104] Conversely, when the operating rod (3122) is drawn into the damping part (3120) (opening direction of the window sash), the latch (3130) can be moved to the right (opening direction of the window sash) along the first guide groove (3112). At this time, the window sash (200) may be in an open operating state.

[0105] Additionally, the above buffer unit (3100) may include a finishing cover (3140, 3150).

[0106] The above-mentioned end covers (3140, 3150) may be mounted on the first body (3110). In particular, the above-mentioned end covers (3140, 3150) may be mounted on at least one of the two ends of the first body (3110), but it is preferable that they be provided on each of the two ends of the first body (3110).

[0107] For example, each of the above-mentioned end covers (3140, 3150) is mounted to both ends of the first body (3110) by at least one fastening member (3115). The fastening member (3115) may include a bolt.

[0108] Additionally, at least one mounting hole (3141, 3151) may be formed through the end cover (3140, 3150). The first body (3110) is mounted on the inner surface (100a) of the window frame (100) by at least one fastening member (3116) that penetrates the mounting hole (3141, 3151).

[0109] In addition, at least one notch (3142, 3152) may be provided in the above-mentioned finishing cover (3140, 3150).

[0110] The above notch groove (3142, 3152) is for adjusting the left-right length of the first body (3110) equipped with the above finishing cover (3140, 3150).

[0111] The above notch groove (3142, 3152) may be formed by being recessed inward on one side of the above finishing cover (3140, 3150). The above notch groove (3142, 3152) may be cut out using a tool such as scissors or a knife, or may be cut out by a worker applying force.

[0112] As described above, since the left and right lengths of the first body (3110) can be adjusted, the soft closing assembly (300) according to one embodiment of the present invention can be used for all windows (1000), such as single windows and double windows, of different sizes.

[0113] Meanwhile, the above-mentioned locking unit (3200) may include a second body (3210), a link (3220), and an elastic member (3230).

[0114] The second body (3210) can be mounted on the upper part of the window sash (200) so as to face the cushioning unit (3100) mounted on the inner side (100a) of the window frame (100).

[0115] At least one first coupling hole (3212) may be formed through the second body (3210).

[0116] At least one fastening member (3216) for mounting the second body (3210) to the upper part of the window sash (200) can pass through the first coupling hole (3212).

[0117] In addition, a second coupling hole (3214) may be additionally formed in the second body (3210).

[0118] The second coupling hole (3214) can penetrate the second body (321) at a predetermined distance from the first coupling hole (3212). Although not shown in the drawing, a fastening member (not shown) can also penetrate the second coupling hole (3214).

[0119] The second body (3210) can be positioned more stably on the upper part of the window sash (200) by means of the first coupling hole (3212) and the second coupling hole (3214).

[0120] Meanwhile, the second body (3210) may be provided with a mounting guide part (3211).

[0121] The above mounting guide portion (3211) may protrude in a direction toward the window sash (200) from the end portion of the second body (3210).

[0122] When the second body (3210) is mounted on the first mounting frame (201), the mounting guide portion (3211) is caught on the corner of the first window sash frame (201). At this time, the second body (3210) is positioned at the upper corner end of the first window sash frame (201).

[0123] As described above, since a mounting guide portion (3211) is formed on the second body (3210), the locking unit (3200) can be positioned at a certain location regardless of the working environment or the skill level of the worker, thereby greatly improving the convenience of construction for the worker and improving the reliability of the soft closing assembly (300) according to one embodiment of the present invention.

[0124] The above link (3220) may be rotatably provided with respect to the second body (3210) by at least one link pin (3221).

[0125] A locking portion (3222) is formed in the central region of the above link (3220), which is recessed inward from one end. The above link (3220) is caught between a pair of latch protrusions (3131, 3132) by the locking portion (3222).

[0126] Meanwhile, since there is almost no gap or space between the window frame (100) and the window sash (200), it is very difficult to mount the window sash (200) equipped with the locking unit (3200) inside the window frame (100). As described above, since there is almost no gap between the window frame (100) and the window sash (200), when mounting the window sash (200) equipped with the locking unit (3200) to the window frame (100), there is a risk that the locking unit (3200) or the window sash (200) may be damaged.

[0127] At this time, the elastic member (3230) elastically supports the link (3220) with respect to the second body (3210).

[0128] When the link (3220) is rotated upward relative to the second body (3210) so as to be engaged with the latch (3130), it is compressed when an external force is applied to the link (3220), and can be extended to its original position when the external force applied to the link (3220) is released.

[0129] At this time, the elastic member (3230) is in an expanded state.

[0130] The second body (3210) may be provided with an elastic member mounting portion (3218).

[0131] An elastic member (3230) is mounted on the above elastic member mounting part (3218).

[0132] An elastic member mounting portion (3218) equipped with an elastic member (3230) may be provided on the lower side of the link (3220) such that the upper portion of the elastic member (3230) mounted on the elastic member mounting portion (3218) contacts and supports the lower portion of the link (3220).

[0133] For example, the elastic member mounting portion (3218) may be provided in the form of a protrusion, but is not necessarily limited thereto.

[0134] When the window sash (200) equipped with the above-mentioned locking unit (3200) is mounted inside the window frame (100), if an external force is applied to the link (3220) by the window frame (100), the link (3220) is pressed in the direction toward the second body (3210). At this time, the elastic member (3230) is compressed. Conversely, when the external force applied to the link (3220) is released, the link (3220) is restored to a position where the latch (3130) can be engaged when the window sash (200) is closed, that is, to its original position. At this time, the elastic member (3230) is expanded.

[0135] As the link (3220) of the locking unit (3200) is configured to be pressed or expanded by the elastic member (3230), the worker can attach the window sash (200) equipped with the locking unit (3200) to the window frame (100) without exerting much force, thereby providing the worker with work convenience. In addition, damage such as cracks or breakage can be prevented in advance during the process of attaching the window sash (200) equipped with the locking unit (3200) to the window frame (100).

[0136] Meanwhile, the above-mentioned locking unit (3200) may further include a protective cover (3250).

[0137] The above protective cover (3250) is intended to prevent the second body (3210) from being damaged during transport before being mounted on the window sash (200).

[0138] When the protective cover (3250) is attached to the second body (3210), the link (3220) is maintained in a state where it is moved closer to the second body (3210). Therefore, during the process of transporting the locking unit (3200) to be mounted on the window sash (200), the link (3220) protruding from the second body (3210) is protected from damage, thereby protecting the second body (3210) and the parts mounted on the second body (3210).

[0139] Meanwhile, the above-mentioned catch unit (3200) may include at least one second reinforcing member (3240).

[0140] The above second reinforcing member (3240) is intended to reinforce the structural rigidity of the window sash (200) on which the locking unit (3200) is mounted.

[0141] Recently, the window frame (100) and window sash (200) constituting the window (1000) are made of PVC material, so their rigidity is lower than that of metal materials such as aluminum. In the window (1000) according to one embodiment of the present invention, the window frame (100) is installed embedded in a wall (not shown), so the characteristic of the PVC material, which loses rigidity over time, can be compensated to some extent. However, in the case of the window sash (200), since it is mounted to move along the window frame (100), there is no element to compensate for the rigidity. In this state, if a catch unit (3200) is mounted on the window sash (200), weight is applied to the window sash (200) by the catch unit (3200) which has a metal material, so it is very difficult to maintain the state in which the catch unit (3200) is stably mounted on the window sash (200).

[0142] The second reinforcing member (3240) is located inside the first window sash frame (201) on which the locking unit (3200) is mounted, and in that state, is coupled to the second body (3210) by a fastening member (3216) that penetrates the first coupling hole (3212). As the second reinforcing member (3240) is located inside the first window sash frame (201) and is coupled to the second body (3210) of the locking unit (3200) in that state, the structural rigidity of the PVC window sash (200) on which the locking unit (3200) is mounted can be secured to some extent.

[0143] Hereinafter, the operation of a soft closing assembly (300) according to one embodiment of the present invention will be briefly explained using FIGS. 12 to 16.

[0144] For reference, when the window sash (200) is opened, the link (3220) of the locking unit (3200) engages with the latch (3130) of the cushioning unit (3100). Accordingly, the latch (3130) moves linearly along the first guide groove (3112) together with the link (3220) in a direction away from the side of the window frame (100). At this time, the latch fixing pin (3131a) moves along the second guide groove (3113).

[0145] Here, when the window sash (200) is opened and reaches a preset position (①), the latch (3130) is rotated in one direction around the latch fixing pin (3131a). At this time, when the latch (3130) reaches the end of the first guide groove (3112), it is rotated toward the stop section (3112a) of the first guide groove (3112), so that a pair of latch protrusions (3131, 3132) and the fixing pin (3131a) remain in the stop section (3112a).

[0146] Meanwhile, even if the above window sash (200) passes the preset position (①), the above latch projection (3131, 3132) and the above latch fixing pin (3131a) remain at the end of the first guide groove (3112) and the stopping section (3112a) of the first guide groove (3112) while rotated in one direction.

[0147] As illustrated in FIG. 12, when an external force is applied to close the window sash (200) while it is in an open state, the window sash (200) moves in a straight line toward the side of the window frame (100).

[0148] As illustrated in FIGS. 13 and 14, when the window sash (200) reaches a preset position (①) due to the force applied to the window sash (200), the link (3220) is engaged with the latch (3130) located in the stop section (3112a) and the second guide groove (3113) of the first guide groove (3112).

[0149] With the link (3220) engaged with the latch (3130), the latch (3130) moves in a straight line along the first guide groove (3112) and the second guide groove (3113) together with the link (3220) in a direction approaching the side of the window frame (100).

[0150] As illustrated in FIGS. 15 and 16, the window sash (200) maintains a slowed closing speed from a preset position (①) by the link (3220) engaged with the latch (3130) until it is completely closed by making full contact with the side of the window frame (100). The window sash (200) with the slowed closing speed moves relatively slowly in a straight line and makes full contact with the side of the window frame (100).

[0151] Here, when the window sash (200) comes into complete contact with the side of the window frame (100), the locking operation of the window (1000) by the handle (not indicated in the drawing) responsible for locking the window is performed normally.

[0152] For reference, the closing speed of the above window sash (200) may vary depending on the specifications of the above damping part (3120).

[0153] The preferred embodiments of the present invention described above are disclosed for illustrative purposes only, and those skilled in the art with ordinary knowledge of the present invention will be able to make various modifications, changes, and additions within the spirit and scope of the present invention, and such modifications, changes, and additions should be considered to fall within the scope of the following claims. Explanation of the symbols

[0154] 100: Window frame 101,102: Rail 200: Spear 201: First window sash frame 202: Second sash frame 300: Soft-closing assembly 3100: Buffer unit 3110: First body 3112: Guide Home 1 3112a: Stop section 3113: 2nd Guide Home 3120: Damping section 3122: Operating Load 3130: Latch 3131,3132: Latch projection 3131a: Latch retaining pin 3134: Supporting projection 3140,3150: Finishing cover 3141,3151: Mounting holes 3142, 3152: Notch 3160: Latch Guide 3200: Stall unit 3210: Second body 3211: Mounting guide section 3212: First coupling hole 3212a: Second coupling hole 3216: Screw member 3218: Elastic member mounting part 3220: Link 3222: Hinder 3230: Elastic member 3240: Reinforcement 3250: Protective cover 1000: Windows

Claims

Claim 1 A soft closing assembly configured to reduce the closing speed of a window sash when the window sash is closed along a rail, comprising: a first body having a first surface mounted on the inner side of the window frame, a second surface facing the rail and having a damping portion inside, and a damping unit connected to the damping portion and protruding toward the second surface and configured to move along the moving portion of the second surface; a damping unit having a latch connected to the damping portion, protruding toward the second surface, and configured to move along the moving portion of the second surface; and a locking unit having a second body mounted on the upper part of the window sash to face the damping unit, a link protruding toward the outside of the second body and configured to move along the moving portion of the second surface together with the latch while engaged with the latch, and a locking unit equipped with an elastic member that elastically supports the second body so that the link moves to its original position. Claim 2 In claim 1, when the link and the latch are engaged, the link is a soft closing assembly facing the latch. Claim 3 In claim 2, the first body is provided in a direction facing the second surface and includes a third surface that contacts the inner surface of the rail, forming a soft closing assembly. Claim 4 In claim 3, a plurality of rails are provided in the window frame, the inner surface of the window frame connects an adjacent pair of rails, the first surface of the first body contacts the inner surface of the window frame, the third surface of the first body contacts the inner surface of one of the pair of rails, and a latch protruding from the second surface of the first body faces the inner surface of the other rail, forming a soft closing assembly. Claim 5 A soft closing assembly according to claim 4, wherein the inner surface of the other rail and the latch have a predetermined gap, and when the window sash is closed, the link is disposed in the gap. Claim 6 A soft closing assembly according to claim 1, wherein when an external force is applied to the link when the window sash equipped with the locking unit is mounted on the window frame, the link is pressed in a direction closer to the second body. Claim 7 In claim 6, a soft closing assembly in which, when the external force applied to the link is relieved, the link is restored to its original position capable of engaging with the latch when the window sash is closed. Claim 8 A soft closing assembly according to claim 1, wherein a first guide groove is provided on a first surface of the first body, the guide groove having a moving section in which the latch moves and a stopping section at the end of the moving section in which the latch stops. Claim 9 In claim 8, when the window sash is closed, the latch moves along the stop section of the first guide groove, and when it reaches the end of the first guide groove, the soft closing assembly rotates toward the stop section. Claim 10 In claim 9, the damping member is provided with a gas spring, and the latch is a soft closing assembly axially coupled to the damping member by at least one latch fixing pin. Claim 11 In claim 9, when the window sash is moved in the opening direction, the latch is located in the stopping section, and when the window sash is moved in the closing direction, the link engages with the latch located in the stopping section, forming a soft closing assembly. Claim 12 In claim 9, a soft closing assembly is provided on the second surface of the second body, which communicates with the first guide groove and has a moving section in which the latch moves. Claim 13 A soft closing assembly according to claim 1, wherein the latch comprises: a pair of latch projections provided at a predetermined interval; and a support projection provided on one of the pair of latch projections, which supports the lower end of the link so as not to detach between the pair of latch projections. Claim 14 In claim 13, the support projection is a soft closing assembly arranged to protrude from one projection of a pair of latch projections toward the other projection. Claim 15 In claim 1, the buffer unit is a soft closing assembly comprising a closing cover mounted on at least one of the two ends of the first body. Claim 16 In claim 15, the soft closing assembly is provided with a notch groove that is inwardly recessed with respect to one surface of the finishing cover. Claim 17 In claim 1, the soft closing assembly is provided with an elastic member mounting portion that protrudes from one surface of the second body and is fitted with the elastic member. Claim 18 In claim 17, the elastic member mounting portion is a soft closing assembly provided on the lower side of the link such that the upper end of the elastic member mounted on the elastic member mounting portion contacts the lower end of the link. Claim 19 A soft closing assembly according to claim 1, wherein the second body is provided with one or more first coupling holes. Claim 20 In claim 19, a soft closing assembly having one or more second coupling holes provided in the second body at a position spaced apart from the first coupling hole. Claim 21 In claim 1, a mounting guide portion is provided at one end of the second body and protrudes in a direction toward the window sash from the lower end of the second body, and when the locking unit is mounted on the window sash, the mounting guide portion engages with the corner of the window sash, forming a soft closing assembly. Claim 22 A window frame having one or more rails; a window sash arranged to be movable along the rails of the window frame; and a soft closing assembly comprising: a first body having a first surface mounted on the inner side of the window frame, a moving section provided according to the closing direction of the window frame, a second surface facing the rail, and a damping member inside, which reduces the closing speed of the window sash when it is closed along the rails of the window frame; a damping unit having a latch connected to the damping member, protruding toward the second surface, and arranged to be movable along the moving section of the second surface; a second body mounted on the upper part of the window sash to face the damping unit; a link protruding from the outside of the second body and arranged to be movable along the moving section of the second surface together with the latch while engaged with the latch; and a locking unit equipped with an elastic member that elastically supports the second body so that the link moves to its original position. Claim 23 In claim 22, when the link and the latch are engaged, the link is a window facing the latch. Claim 24 In claim 23, the first body is provided in a direction facing the second surface and includes a third surface that contacts the inner surface of the rail, and the window frame is provided with a plurality of rails, the inner surface of the window frame connects an adjacent pair of rails, the first surface of the first body contacts the inner surface of the window frame, the third surface of the first body contacts the inner surface of one of the pair of rails, and a latch protruding from the second surface of the first body faces the inner surface of the other rail. Claim 25 In claim 24, the inner surface of the other rail and the latch have a predetermined gap, and when the window sash is closed, the link is disposed in the gap. Claim 26 In claim 25, at least one reinforcing member is provided inside the first window sash frame, and the reinforcing member is a window that is coupled to the locking unit and the first window sash frame.

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