Storage furniture with fixed and rotating shelf structures

KR103019924B1Active Publication Date: 2026-09-16SHINA FURNITURE CO LTD
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Patent Information

Application Number
KR1020260110330
Authority / Receiving Office
KR · KR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2026-06-17
Publication Date
2026-09-16
Estimated Expiration
2046-06-17

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Abstract

The present invention is a storage furniture having a fixed and rotating shelf structure that maximizes the convenience of assembly without fastening tools, the extreme structural stability to withstand any external vibration or eccentric load, and the intuitive ease of operation that allows for the three-dimensional utilization of limited storage space. This is achieved by ensuring that the slot grooves of the downwardly open elastic member and the rotating member of the fixed member, which are slidably coupled to the bottom surface of the shelf in a screwless dovetail manner, firmly secure the front and rear support members of the furniture body in a snap-fit ​​compression and close reception manner, thereby completely blocking three-dimensional shaking in the front, back, left, right, up, and down directions when horizontally seated, and by having the protruding pin driven by the strong elastic force of the built-in elastic spring act as a stabilizer that constantly presses the side panel. At the same time, when the shelf is rotated upward for storing large items, the protruding pin is automatically inserted into the vertical fixing groove to lock the upright state, and when lowered, it is induced to self-retract by the geometric cam action between the rounded curved surface of the pin end and the rim.
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Description

Technology Field

[0001] The present invention relates to storage furniture for storing or displaying various items, and more specifically, to a storage furniture having a fixed and rotating shelf structure designed to maximize the convenience of assembly without fastening tools and structural stability to withstand harsh load conditions, as well as three-dimensionally improve the utilization of limited internal space. This is achieved by ensuring that a fixed member and a rotating member, which are fastened to the bottom surface of a shelf within the furniture body using a dovetail joint method, can maintain a solid horizontal fixed state without play on the shelf, and when the shelf is rotated upward as needed, a protruding pin embedded in the fixed member is automatically inserted into the side panel of the furniture body to stably maintain a vertical upright state, and when the shelf is lowered, the pin is induced to self-destruct through a cam action via the curved shape of the pin tip. Background Technology

[0002] As is well known, storage furniture is used for displaying and storing books, documents, or various items, and is equipped with multiple shelves to efficiently utilize available internal space, and is manufactured and produced as a diverse range of products such as bookshelves, cabinets, lockers, lockers, teaching aid storage cabinets, display cabinets, blackboard auxiliary cabinets, bookshelves, wardrobes, shoe cabinets, tableware cabinets, and bathroom cabinets.

[0003] Representative prior art documents for such shelf-combination type storage furniture include Korean Utility Model Publication No. 1996-0026595 to Korean Utility Model Publication No. 1996-0019842. These storage furniture forms a main body by connecting the back, both sides, and the upper and lower surfaces with panels, and then forms dowel fastening holes on the inner surface of the opposing side panels and inserts support members (dowels) to fasten them, and then places a plate-type shelf on top to enable the storage and display of various items.

[0004] While such conventional storage furniture is structured to fulfill its intended role, it contains the problem that the shelf placed on the upper side of the support member cannot secure installation stability against physical external forces such as shaking, impact, or vibration caused by earthquakes.

[0005] In other words, the support member (dobo) in the above example is structured to simply support the shelf from below without holding it in place to prevent movement in the up-and-down or forward-and-backward directions, and is typically in the form of a cylinder or column, so the contact area with the shelf is insufficient, making the support state of the shelf unstable. Consequently, if the center of gravity shifts toward the front of the shelf or the storage furniture tilts, it is difficult to prevent the shelf from moving or moving forward, raising concerns about potential damage and safety accidents caused by the tipping and falling of items placed on the shelf and the shelf itself. Furthermore, given the recent increase in the frequency of earthquakes in Korea, the longitudinal (up-and-down) vibrations transmitted to the storage furniture during an earthquake can cause the shelf to shake, resulting in items placed on it tipping over or falling to the floor and being damaged, which may lead to economic losses.

[0006] In addition, the fatigue load acting on the shelf is concentrated on the support member, causing deformation or damage to the dowel fastening hole, which leads to the detachment or sagging of the support member (dowel), thereby reducing the overall stability and durability of the storage furniture. Furthermore, as the support member is exposed within the available space, it causes interference during the process of taking out and putting in stored items (books, books, or various items), which impairs the user's convenience of storage and also damages the aesthetic appeal of the storage furniture.

[0007] Moreover, existing storage furniture has a problem of reduced user convenience because, when the size of the items to be stored inside exceeds the gap between the upper and lower shelves, the upper or lower shelf must be completely separated from the interior of the furniture to secure sufficient space. In particular, separated shelves require separate storage space, making management cumbersome; there is a risk of loss during long-term storage; and there is a high possibility of contamination or damage due to careless handling or the external environment. Consequently, this entails inefficiencies in terms of maintenance, such as the inability to reinstall shelves when necessary or the incurring additional replacement costs. Prior art literature

[0008] (Prior Art 0001) Republic of Korea Utility Model Published No. 1996-0026595 (Published Aug. 17, 1996) (Prior Art 0002) Republic of Korea Utility Model Published No. 1996-0019842 (Published July 18, 1996) The problem to be solved

[0009] The present invention was devised to fundamentally resolve the poor assembly convenience and structural instability of conventional storage furniture shelves. Its purpose is to maximize assembly convenience, aesthetics, and long-term durability by adopting a screwless method that eliminates screws during shelf assembly and slides anchoring and rotating brackets into dovetail grooves on the bottom surface of the shelf.

[0010] Furthermore, as an important task to solve, the slot grooves of the fixing zone and the rotating zone strongly restrain the front and rear support members when the shelf is mounted horizontally, thereby preventing detachment in the vertical and front / rear directions, and through the continuous tension action of the retractable pin and retractable spring embedded in the side of the shelf, it implements a stabilizer function that perfectly absorbs lateral shaking and even minute noise caused by assembly tolerances or wood deformation.

[0011] In addition, the ultimate goal is to provide a multi-functional smart storage system that simultaneously solves general display and storage of large items by proposing a flexible structure made of a bent metal plate made of spring steel to maintain permanent fastening force even in harsh operating environments, thereby enabling efficient utilization of the limited internal space of the storage furniture, whereby simply lifting the front of the shelf causes the retractable pin to automatically insert into the vertical groove of the side panel to firmly maintain an upright position, and when lowering it again, inducing the pin to self-retract through a geometric cam action via the curved shape of the pin's end, thereby shortening the user's movement path and satisfying mechanical sensory quality. Furthermore, the system proposes a flexible structure in which the shelf is divided in the front and rear directions and connected by hinges, so that when storing large items at the bottom, only the front shelf can be independently folded up to safely overlap them vertically. means of solving the problem

[0012] The present invention, for achieving the above-mentioned objectives, is a storage furniture in which a shelf is placed by installing front and rear support members on a side panel, and adopts a screwless assembly structure in which a dovetail groove on the bottom surface of the shelf and a dovetail projection on the upper part of the front and rear locking member are slidably coupled. In addition, when the shelf is horizontally fixed, a resilient member formed in the front fixing locking member is compressed and coupled to the front support member by snap-fitting, and a slot groove formed in the rear rotating locking member is inserted tightly into the rear support member, thereby completely blocking forward and backward movement and up and down movement. Furthermore, to maximize mutual fastening force, a guide end and an expansion groove are added to the resilient member, and a locking end is formed at the end of the slot groove of the rotating locking member to prevent the support member from detaching, and the shelf can be firmly fixed by fastening a fixing bolt when necessary.

[0013] In addition, the present invention provides a multi-functional smart storage system that maximizes space utilization by embedding an extendable pin equipped with an expansion flange and a resilient spring inside a fixing member to fix the shelf vertically and maintain stable lateral tension, wherein the extendable pin is automatically inserted into a vertical fixing groove on the inner surface of the side panel when the shelf rotates vertically around a rear support member as an axis to firmly fix the upright state, and is induced to self-depress through a cam action via the curved shape of the pin tip when returning to a horizontal position, and furthermore, a structure can be applied in which the resilient member is bent from a high-strength metal plate and pressed into the body of the fixing member to maintain permanent fastening force even in harsh operating environments, and by dividing the shelf into front and rear sections and hinge-connecting them, the front shelf alone can be independently rotated upward when storing large items at the bottom and fixed to the side panel via the extendable pin. Effects of the invention

[0014] The storage furniture having a fixed and rotating shelf structure according to the present invention applies a screwless dovetail joint structure between the bottom surface of the shelf and the front and rear fixing members, thereby allowing anyone to easily and quickly assemble and disassemble the shelf without separate fastening tools or screws, thus maximizing assembly convenience and providing a beautiful appearance befitting premium furniture. Furthermore, when horizontally mounted, the elastic member of the fixed fixing member and the slot groove of the rotating fixing member tightly restrain the front and rear support members in a forceful fit and close contact manner, completely blocking shaking in the up-down and front-back directions. In particular, the strong elastic force of the built-in elastic spring acts as a tensioner that constantly pushes the protruding pin toward the side of the furniture body, thereby exhibiting excellent structural stability that fundamentally absorbs lateral play and even minute vibrations caused by wood deformation or assembly tolerances.

[0015] In addition, when the front of the shelf is rotated upward to store bulky items, the protruding pin is automatically inserted into the vertical locking groove of the side panel to maintain a rigid upright state, and when lowered again, it is induced to self-destruct through a geometric cam action via the curved surface of the pin tip, thereby shortening the user's movement path and significantly improving mechanical quality. Furthermore, a composite material structure is provided in which a metal spring steel ball is pressed into the locking groove to ensure permanent locking force even in harsh operating environments. By implementing a smart storage system in which the shelf is hinged and divided into front and rear sections so that only the front shelf can be folded vertically to safely overlap when storing large items, it has an excellent effect of maximizing the utilization of limited storage space in three dimensions. Brief explanation of the drawing

[0016] FIG. 1 is an overall perspective view of the storage furniture of the present invention, FIG. 2 is an exploded perspective view of a key part of the storage furniture of the present invention, FIG. 3 is an overall side cross-sectional view of the storage furniture of the present invention, and FIG. 4 is an overall perspective view of a shelf of the storage furniture of the present invention. FIG. 5 is an exploded perspective view of a fixing member inside a shelf of the storage furniture of the present invention, FIG. 6 is a side cross-sectional view and an exploded cross-sectional view of the coupling part of the fixing member inside a shelf of the storage furniture of the present invention, and FIG. 7 is a cross-sectional view showing an explanation of the operation of the fixing member inside a shelf of the storage furniture of the present invention. FIG. 8 is an exploded perspective view of a rotary gauge inside a shelf of the storage furniture of the present invention, FIG. 9 is a side cross-sectional view and an exploded cross-sectional view of the coupling part of the rotary gauge inside a shelf of the storage furniture of the present invention, and FIG. 10 is a cross-sectional view showing an explanation of the operation of the rotary gauge inside a shelf of the storage furniture of the present invention. FIG. 11 is a diagram showing the rotation operation of a shelf in the storage furniture of the present invention; FIG. 12 is a cross-sectional view showing the horizontal fixing state of a shelf within the storage furniture of the present invention; FIG. 13 is an enlarged cross-sectional view of a key part of a shelf within the storage furniture of the present invention; FIG. 14 is a diagram showing the upward rotation operation of a shelf within the storage furniture of the present invention; FIG. 15 is a diagram showing the upward rotation and downward operation of a shelf within the storage furniture of the present invention; FIG. 16 is a diagram showing the vertical rotation and fixing state of a shelf within the storage furniture of the present invention; FIG. 17 is a detailed cross-sectional view of the vertical rotation fixing part of a shelf within the storage furniture of the present invention. FIG. 18 is a perspective view showing another embodiment of a fixing device applied to a shelf of the storage furniture of the present invention. FIG. 19 is a perspective view showing another embodiment of a shelf of the storage furniture of the present invention, and FIG. 20 is a cross-sectional view showing an example of the operation of the shelf according to FIG. 19. Specific details for implementing the invention

[0017] Further objects, features, and advantages of the present invention can be more clearly understood from the following detailed description and the accompanying drawings.

[0018] Before providing a detailed description of the present invention, it should be understood that the present invention is capable of various modifications and may have various embodiments, and that the examples described below and illustrated in the drawings are not intended to limit the present invention to specific embodiments, but rather include all modifications, equivalents, and substitutions that fall within the spirit and scope of the present invention.

[0019] Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings.

[0020] FIG. 1 is an overall perspective view of the storage furniture of the present invention, FIG. 2 is an exploded perspective view of the main parts of the storage furniture of the present invention, FIG. 3 is an overall side cross-sectional view of the storage furniture of the present invention, and FIG. 4 is an overall perspective view of the shelf of the storage furniture of the present invention.

[0021] First, the present invention relates to a storage furniture having a fixed and rotating shelf structure designed to form a furniture body (100) by connecting the rear, both sides, and the upper and lower surfaces with panels, and to utilize the limited storage space inside the furniture body (100) more efficiently and three-dimensionally. At this time, the storage furniture may be equipped with a single or multiple opening / closing doors on the front as needed.

[0022] Next, the storage furniture to which the present invention is applied has precisely machined fitting grooves (111) (111') located on the inner surface of the side panels (110) (110') facing each other, and separate front and rear support members (120) (120') made of metal or high-strength alloy material, commonly referred to as a diaphragm in the field, are fitted into the fitting grooves (111) (111') to accommodate shelves (200) (200').

[0023] In a storage furniture that enables the storage and display of various items based on such a general type of structure, the basic structure according to one embodiment of the present invention maximizes convenience and speed in the process of mounting or detaching shelves (200)(200'), while simultaneously providing perfect structural stability without play in all three-dimensional axes in the front-back, left-right, and up-down directions.

[0024] That is, according to one embodiment, a fixing zone (300)(300') located on the front side and a rotation zone (400)(400') located on the rear side are respectively formed by joining at the lower ends of both sides of the shelf (200)(200'), and downwardly open dovetail grooves (201)(201') are formed through precision machining at both ends of the shelf (200)(200'), and dovetail protrusions (302)(402) corresponding to the dovetail grooves (201)(201') are formed on the upper or outer surface of the fixing zone (300)(300') and the rotation zone (400)(400'), which are injection-molded from a high-rigidity engineering plastic material resistant to impact and friction.

[0025] This dovetail joint method realizes a screwless joint structure that completely eliminates the use of screws or power tools in the assembly process. Users can intuitively complete the assembly of parts simply by sliding and pushing the dovetail protrusions (302)(402) of the fixing zone (300)(300') and the rotating zone (400)(400') into the dovetail groove (201)(201') on the bottom surface of the shelf (200)(200'). This fundamentally prevents problems such as screw loosening or wood damage that may occur when repeated loads are applied over a long period, thereby ensuring a beautiful appearance and durability befitting premium furniture.

[0026] In addition, the shelf (200)(200') in a state where the anchoring zone (300)(300') and the rotation zone (400)(400') are assembled can be perfectly anchored in the horizontal direction by the organic combination of the front support member (120) and the anchoring zone (300)(300') and the rear support member (120') and the rotation zone (400)(400').

[0027] Here, in the fixing member (300)(300') for maintaining a stable horizontal fixing state of the shelf (200)(200'), a downwardly open elastic member (301) is formed to be combined with the front support member (120) as illustrated in FIGS. 5 and 6, and an outwardly bent guide end (301a) is formed at the bottom of the elastic member (301), and an expansion groove (301b) is further formed on the side.

[0028] Accordingly, as shown in Fig. 7, when the user lowers the shelf (200)(200'), the front support member (120) smoothly enters along the guide end (301a), and the elastic member (301) is temporarily opened and then restored by the expansion groove (301b), thereby being strongly compressed and joined in a snap-fit ​​manner. As a result, even if a load is concentrated on the front of the shelf (200)(200') or an external force is applied from below during the process of storing heavy items such as books or bowls, the shelf (200)(200') is completely prevented from shaking or lifting in the vertical direction.

[0029] Additionally, to smoothly control the fixing and rotational movements of the shelf (200)(200') and to maximize lateral stability, a sliding groove (303) and a flow groove (304) are sequentially formed on the upper side of the fixing device (300)(300'), and a separately provided protruding pin (310) and a spring (320) are embedded therein.

[0030] In particular, an expansion flange (311) protruding radially is formed on one side of the above-mentioned protruding pin (310). This expansion flange (311) is a key component that guides the trajectory so that the protruding pin (310) slides smoothly in a straight line along the sliding groove (303), while also acting as a stopper to prevent the protruding pin (310) from completely detaching from the outside of the anchoring zone (300) (300').

[0031] In addition, since one end of the elastic spring (320) is firmly inserted and coupled into the fitting hole (311a) protruding from the back of the expansion flange (311), a stable support base is provided that can accurately transmit a uniform elastic restoring force to the protruding pin (310) without the elastic spring (320) coming off or bending.

[0032] The organic combination of the protruding pin (310) and the elastic spring (320) goes beyond merely fixing the shelf (200)(200') vertically; it functions as a tensioner and stabilizer that perfectly prevents left-right shaking even when the shelf (200)(200') is mounted horizontally. When the shelf (200)(200') is in a horizontal position, the strong elastic force of the elastic spring (320), which is compressed inside the fixing zone (300)(300'), generates an active protruding force that constantly pushes the end of the protruding pin (310) toward the flat inner surface of the side panel (110)(110') of the furniture body (100). This continuous lateral pressure is due to the inevitable manufacturing tolerance between the two sides of the shelf (200)(200') and the side panel (110)(110'), or the shrinkage and expansion of the wood due to seasonal changes. It perfectly fills the minute gaps caused by.

[0033] Therefore, the left-right shaking and fine noise that may occur when vibration or impact is applied to the furniture body (100) from the outside or when heavy objects are loaded onto the shelf (200) (200') by throwing them are fundamentally offset, thereby maintaining extreme structural stability in all directions, including front-back, left-right, and up-down.

[0034] Next, as illustrated in FIGS. 8 to 10, a slot groove (401) is formed in the rotating gear section (400) (400') for slidingly inserting the rear support member (120'), and a downwardly bent gear section end (401a) (401a') is formed at the upper and lower ends of the open side. The slot groove (401) structure having the gear section end (401a) (401a') not only guides the rear support member (120') to enter the slot groove (401) more smoothly, but also tightly wraps around the rear support member (120'), thereby physically preventing the shelf (200) (200') from being pushed or pulled out in the front-rear direction.

[0035] Furthermore, if necessary, a separately provided fixing bolt (410) is inserted into an auxiliary fastening hole (403) formed through the transverse direction of the rotary gauge (400)(400'), so that the fixing bolt (410) penetrates into the inside of the shelf (200)(200') and is screw-fixed, the fixing force of the rotary gauge (400)(400') to the shelf (200)(200') can be made even stronger.

[0036] In this manner, with the shelf (200)(200') in a horizontally fixed state, the present invention provides an upward rotation and automatic fixing mechanism that allows the internal space of the storage furniture to be utilized more efficiently by setting the shelf (200)(200') in a vertical direction as illustrated in FIGS. 11 to 14. When storing items that are larger than the spacing between the shelves (200)(200') arranged vertically, such as tall boots or long home appliances, simply lifting the front of the shelf (200)(200') at the required position lightly upward causes the fixing mechanism (300)(300') to detach from the front support member (120), and at the same time, the rear rotation mechanism (400)(400') becomes the pivot axis, causing the shelf (200)(200') to rotate smoothly upward.

[0037] At this time, during the process of lifting the front of the shelf (200)(200') and rotating it upward, the front end of the shelf (200)(200') intended to be rotated upward may interfere with the bottom surface of another shelf located above, thereby hindering the rotation. However, if the shelf is lightly pushed to the rear and lower side while lifting the front of the shelf (200)(200'), the slot groove (401) of the rear support member (120') and the rotation gauge member (400)(400') will slide against each other, and the rear end of the shelf (200)(200') will be lowered as shown in FIG. 15. Therefore, the shelf (200)(200') at the desired position can be easily rotated upward in a vertical standing state without interference with another shelf located above.

[0038] That is, when the rear side of the shelf (200)(200') is pushed in a downward inclined direction, the rear support member (120') reaches the inner end of the slot groove (401) along the slot groove (401) of the rotating gauge (400)(400'), and when the shelf (200)(200') is continuously raised vertically and reaches a vertical standing state, at the moment the protruding pin (310) of the fixing gauge (300)(300') exactly aligns with the vertical fixing groove (112) formed on the inner surface of the side panel (110)(110') of the furniture body (100), the restoring force of the elastic spring (320) compressed by the expansion flange (311) acts, causing the protruding pin (310) to automatically protrude and be inserted into the vertical fixing groove (112). The shelf (400)(400') is stably mounted on the rear support member (120') provided on both sides through the rotating gauge (400)(400'), and at the same time, it can maintain a fixed state that does not move in a vertical standing position by means of the holding force of the protruding pin (310) and the vertical holding groove (112), so that the user can immediately expand the lower space by more than double without the shelf (200)(200') separation operation.

[0039] In addition, even when fixed vertically, the continuous elastic force of the elastic spring (320) tightly presses the pop-out pin (310) into the vertical fixing groove (112), so no rattling noise occurs at all even when the storage furniture is subjected to impact, vibration, wind blowing, or the shelf (200)(200') is touched.

[0040] Subsequently, when the entire vertically positioned shelf (200)(200') is grasped with both hands and gently pushed downward, a geometric cam action occurs in which the rounded curved portion of the end of the protruding pin (310) physically interferes with the lower edge of the vertical support groove (112), thereby naturally overcoming the elastic force of the elastic spring (320) and self-contracting, allowing it to return to a horizontal state in a very intuitive and convenient manner. Consequently, the user can freely, conveniently, and quickly expand or divide the internal space of the storage furniture by fixing the shelf (200)(200') horizontally or rotating it vertically without taking measures to separate the shelf as in the past, thereby further improving the usability and storage efficiency of the storage furniture.

[0041] Meanwhile, the present invention provides another embodiment in which a resilient member (301) in the form of a metal bent plate made of spring steel is applied instead of a plastic injection molded member to maximize the durability of the part according to the usage environment and load conditions of the furniture body (100). The resilient member (301) of the fixing member (300)(300') according to this embodiment is formed by bending a metal plate such as high-tension spring steel and forcibly pressing it into the body of the fixing member (300)(300') in a press-fit manner.

[0042] To this end, as shown in Fig. 18, the settling zone (300) (300') has a downwardly open receiving groove (305) and a press-fit groove (306) located above the receiving groove (305) in a mutually connected state, and the metal settling zone (301) is composed of a support fixing part (301c) that is strongly inserted into the press-fit groove (306) and permanently fixed, and an elastic settling part (301d) that is bent and formed to be located inside the receiving groove (305) from the support fixing part (301c).

[0043] This heterogeneous metal and plastic material combination structure provides the same strong elastic gripping force permanently as at the beginning without wear or fatigue failure of plastic parts, even in harsh environments such as commercial or public facilities where shelves (200) (200') must be attached and detached dozens of times a day for decades, dramatically improving the lifespan and reliability of the product.

[0044] As another embodiment, the present invention provides a divided shelf structure in which the shelf (200)(200') is divided into front and rear directions to further maximize the utilization of the limited storage space. In this embodiment, the shelf (200)(200') is divided into front and rear directions of the furniture body (100) as shown in FIG. 19 and FIG. 20, and is divided into a front shelf (210) and a rear shelf (220), respectively.

[0045] In particular, the divided front shelf (210) and rear shelf (220) are hinged to each other by a separate hinge (230) (230') that is coupled to the bottom surface thereof, and a fixing device (300) (300') that is coupled to the front support member (120) is coupled to the lower ends of both sides of the front shelf (210), and a rotating device (400) (400') that rotates around the rear support member (120') is coupled to the lower ends of both sides of the rear shelf (220).

[0046] The shelf (200)(200'), which is formed by dividing the front shelf (210) and the rear shelf (220) in this way, can be rotated vertically while the front shelf (210) is rotated downward in a bending motion when the height difference between the upper and lower shelves is narrow during the process of rotating the shelf (200)(200') in the vertical direction, so that it can be applied to storage furniture in a form where the gap between the upper and lower shelves is very narrow, so that it can be used efficiently.

[0047] In particular, this shelf division structure provides innovative flexibility that allows only the front shelf (210) to be independently folded up and folded vertically to overlap when there is no need to remove the entire shelf (200)(200') when storing items of a certain height or higher at the bottom of the furniture body (100). When the front shelf (210) is lifted, the rear shelf (220) remains in a horizontal state while only the front shelf (210) rotates around the hinge (230)(230'). When it reaches the position of the elastic groove (113) additionally processed on the inner surface of the side panel (110)(110'), the protruding pin (310) inside the front shelf (210), which was folded up in a horizontal state, automatically protrudes and is inserted.

[0048] In addition, thanks to the close support force of the protruding pin (310) and the elastic spring (320) described in detail above, the overlapping front shelf (210) is perfectly maintained in a solid upright state without sagging or shaking due to gravity, and at the same time, small items or books can still be placed on the rear shelf (220), so a multi-functional smart storage system that solves general display and large item storage simultaneously on a single shelf level can be completed.

[0049] As a result, the storage furniture having a fixed and rotating shelf structure according to the present invention secures structural stability by ensuring that mounting and detachment are extremely rapid, while completely blocking play in the front, back, left, right, up, and down directions when horizontally mounted, through an intuitive snap-fit ​​and sliding structure in which the fixed member and the rotating member, which are coupled to the lower part of the shelf in a screwless dovetail manner, are connected to the front and rear support members of the furniture body.

[0050] In addition, the organic interaction between the elastic spring and the pop-out pin provided inside the fixing mechanism acts as a stabilizer that absorbs lateral micro-vibrations in a horizontal state, and at the same time, when the shelf is rotated upward, it automatically inserts into the vertical fixing groove to maintain a rigid upright state, and when lowered, it is induced to self-destruct through a geometric cam action via the curved shape of the pop-out pin tip. The introduction of such a sophisticated kinematic mechanism and a multi-functional overlapping structure through the divided shelf will minimize unnecessary movement paths for the user while maximizing the utilization of limited storage space in three dimensions, thereby completing a value that simultaneously satisfies excellent convenience and the sensory quality of operation.

[0051] The embodiments described in this specification and the configurations illustrated in the drawings are merely the most preferred embodiments of the present invention and do not represent all technical concepts of the present invention; therefore, it should be understood that there may be various equivalents and modifications that can replace them. Explanation of the symbols

[0052] 100 : Main body of furniture 110,110' : Side panel 111,111' : Insertion groove 112: Vertical locking groove 113: Relief groove 120,120' : Support member 200,200' : Shelf 201,201' : Dovetail home 210 : Front shelf 220 : Rear shelf 230,230' : hinge 300,300' : Settlement District 301 : Coal District 302 : Dovetail protrusion 303 : Sliding groove 304 : Flowing home 305 : Receiving home 306 : Press-fit groove 310 : Outcrop pin 311 : Expansion flange 320 : Tension spring 400,400' : Rotation gauge area 401 : Slot home 402 : Dovetail projection 403 : Auxiliary fastening hole 410 : Fixing bolt

Claims

Claim 1 A storage furniture unit in which a furniture body (100) is formed by connecting the rear side, both sides, and the upper and lower sides with panels, and a separate front and rear support member (120) (120') is fitted into a fitting groove (111) (111') formed on the inner surface of mutually opposing side panels (110) (110'), and a shelf (200) (200') is placed on the support member (120) (120') to enable the storage and display of various items, wherein a fixing device (300) (300') located on the front side and a rotating device (400) (400') located on the rear side are respectively combined and formed at the lower ends of both sides of the shelf (200) (200'), so as to combine the front support member (120), the fixing device (300) (300'), and the rear A storage furniture having a fixed and rotating shelf structure, characterized in that the shelf (200)(200') is configured to be fixed in a horizontal direction by a support member (120') and a rotational member (400)(400'), or to be rotated in a vertical direction by a rear support member (120') and a rotational member (400)(400'), wherein the fixing member (300)(300') has a downwardly open elastic member (301) formed to be coupled with a front support member (120), and the rotational member (400)(400') has a slot groove (401) formed to allow the rear support member (120') to be slidably inserted. Claim 2 A storage furniture having a fixed and rotating shelf structure, characterized in that, in the first paragraph, downwardly open dovetail grooves (201)(201') are formed on both ends of the shelf (200)(200'), and the fixed zone (300)(300') and the rotating zone (400)(400') are configured by forming dovetail protrusions (302)(402) that correspond to and are coupled with the dovetail grooves (201)(201'). Claim 3 In claim 1, the fixed section (300)(300') is configured such that an outwardly bent guide end (301a) is formed at the bottom of the elastic section (301), and an expansion groove (301b) is further formed on the side of the elastic section (301), thereby forming a storage furniture having a fixed and rotating shelf structure. Claim 4 A storage furniture having a fixed and rotating shelf structure, characterized in that, in the first paragraph, a separate protruding pin (310) is formed by connecting it to a fixed member (300) (300') and protruding to the side end of the fixed member (300) (300'). Claim 5 In claim 4, a sliding groove (303) and a movable groove (304) are sequentially formed on the upper side of the fixing zone (300)(300'), and a separately provided protruding pin (310) with an expansion flange (311) formed on one side is placed on the upper side of the fixing zone (300)(300'), and a separately provided elastic spring (320) is formed by combining one end of the protruding pin (310) with a fitting hole (311a) protruding from the expansion flange (311), so that the end of the protruding pin (310) is configured to protrude to one side of the fixing zone (300)(300') by the elastic force of the elastic spring (320), thereby forming a storage furniture having a fixing and rotating shelf structure. Claim 6 In claim 4, the storage furniture having a fixed and rotating shelf structure is characterized by further forming a vertical support groove (112) on the inner surface of the side panel (110)(110') of the furniture body (100) to insert a protruding pin (310) protruding from the fixing support (300)(300') of the vertically erected shelf (200)(200'). Claim 7 A storage furniture having a fixed and rotating shelf structure, characterized in that, in the first paragraph, a downwardly bent limiting end (401a) (401a') is formed at the upper and lower ends of the open side of the slot groove (401) formed in the rotating limiting part (400) (400'), and an auxiliary fastening hole (403) is further formed through the horizontal direction of the rotating limiting part (400) (400') to allow a separately provided fixing bolt (410) to be inserted. Claim 8 In claim 1, the elastic member (301) of the fixed member (300)(300') is formed by bending a metal plate and pressing it inward from the side of the fixed member (300)(300'), wherein the fixed member (300)(300') has a downwardly open receiving groove (305) and a press-in groove (306) located in a mutually connected state above the receiving groove (305), and the elastic member (301) is composed of a support fixing part (301c) inserted into the press-in groove (306) and a resilient support part (301d) bent and formed to be located inward from the support fixing part (301c) into the receiving groove (305), characterized by a storage furniture having a fixed and rotating shelf structure. Claim 9 In claim 1, the shelves (200)(200') are formed by dividing them in the front and rear directions of the furniture body (100) to form a front shelf (210) and a rear shelf (220), respectively, and the front shelf (210) and the rear shelf (220) are hinge-connected to each other by a separately provided hinge (230)(230') that is connected to the bottom surface, wherein a fixing mechanism (300)(300') is formed by connecting it to the lower ends of both sides of the front shelf (210), and a rotating mechanism (400)(400') is formed by connecting it to the lower ends of both sides of the rear shelf (220), thereby forming a storage furniture having a fixing and rotating shelf structure. Claim 10 In claim 9, the fixing member (300)(300') is elastically supported by an internal elastic spring (320) and has a separately provided protruding pin (310) formed to protrude from the side end of the fixing member (300)(300'), and the inner surface of the side panel (110)(110') of the furniture body (100) further has an elastic groove (113) formed so that the end of the protruding pin (310) of the fixing member (300)(300') is inserted and secured into the front shelf (210) which is rotated from the rear shelf (220) in a vertical state. This describes a storage furniture having a fixing and rotating shelf structure.

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