Hidden furniture connecting structure, connecting plate combination and dismounting device

Abstract

The utility model discloses a hidden furniture connecting structure, which is arranged between a first plate body and a second plate body, and comprises a fixing seat, a connecting piece and a connecting piece, the limiting assembly is connected to the second plate body and comprises a base and an elastic locking unit, the base can axially stretch into the fixing base, an open groove is formed in the base, and the elastic locking unit at least comprises a movable part and a switch part; the movable part is provided with a locking position and an unlocking position, at the locking position, part of the movable part extends out of the open groove and can abut against the fixed seat, at the unlocking position, the movable part retracts into the base, and the base and the fixed seat can move freely; the switch piece extends out of the open groove and at least partially corresponds to the joint of the first plate body and the second plate body, external force is applied to drive the switch piece to stretch out and draw back relative to the open groove, and the movable piece can be switched from the locking position to the unlocking position. The utility model further discloses a hidden furniture connecting plate combining and disassembling device. Hidden installation is achieved, attractiveness is improved, and furniture is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model belongs to furniture installation technical field, especially a kind of hidden furniture connecting structure, connecting plate combination and dismounting device. BACKGROUND

[0002] Chinese patent CN222415543U discloses 《Assembled furniture rod piece hidden quick-mounting structure》, which includes main body mechanism and auxiliary mechanism, auxiliary mechanism is located at the outer end of main body mechanism, main body mechanism includes connecting rod, threaded rod, installation slot, bottom plate, telescopic rod, return spring, top plate and clamping block, clamping block is fixedly installed at the upper end of top plate, and extends to the upper side of installation slot. Although it improves furniture plate installation efficiency, hidden type improves the appearance, but after completing installation, clamping block is still exposed on the surface of connecting plate two, and real hidden is not realized, and the dismounting of connecting plate one and connecting plate two is relatively troublesome. UTILITY MODEL CONTENTS

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a hidden furniture connecting structure, connecting plate combination and dismounting device, which hides the connecting structure completely in furniture plate body, realizes real hidden type assembly, and is convenient to assemble, and the connection is stable after assembly.

[0004] The utility model solves the technical scheme that the utility model adopts: a hidden furniture connecting structure is arranged between first plate body and second plate body, and includes:

[0005] Fixed seat is connected to first plate body and hollow inside;

[0006] Limiting component is connected to second plate body, which includes base that can be axially inserted into the inside of fixed seat, and elastic lock unit assembled in the base, the base is formed with slot, and the elastic lock unit at least includes movable piece, and switch piece that is linked with movable piece;

[0007] Movable piece has locking position and unlocking position, at locking position, part of movable piece is stretched out from slot and can abut against fixed seat, at unlocking position, movable piece is retracted into base, and base and fixed seat can be freely moved;

[0008] Switch piece is stretched out from slot, and at least part corresponds to the joint of first plate body and second plate body, and external force is applied to drive switch piece to stretch out and retract in slot, and movable piece can be switched from locking position to unlocking position.

[0009] Further, the elastic lock unit further comprises a reset member abutting against the movable member; the movable member is rotatably connected to the base through a rotating shaft, and comprises a body connected to the rotating shaft, and a lock portion capable of extending out of a slot and abutting against the fixed seat, the lock portion having an arc-shaped guide surface capable of abutting against the fixed seat, and a stepped surface for locking the fixed seat.

[0010] Further, the movable member and the switch member are integrally arranged, and the switch member and the lock portion are arranged at two ends of the side surface of the body; the body is provided with a supporting portion for limiting the sleeving of the reset member, and the supporting portion is arranged opposite to the switch member.

[0011] Further, the body is provided with a positioning surface for limiting the rotating angle of the movable member relative to the base; the body and the reset member are located in the base, and the reset member abuts against the inner wall of the fixed seat.

[0012] Further, the outer wall of the fixed seat and the connecting portion of the first plate body form a threaded structure, and the outer wall of the base and the connecting portion of the second plate body are provided with a threaded structure.

[0013] The utility model discloses still a kind of hidden furniture connecting plate combination, including first plate body, second plate body, and above-mentioned connecting structure, the fixed seat is inserted into first plate body as a whole.

[0014] Further, the plane where the switch member is located is perpendicular to the joint of the first plate body and the second plate body;The second plate body forms a second avoiding slot in the installation position of the limiting assembly, and the switch member is at least partially located in the second avoiding slot;The first plate body forms a first avoiding slot in the installation position of the fixed seat, and the first avoiding slot is arranged opposite to the second avoiding slot, when the first plate body and the second plate body are assembled and connected, the switch member is located in the first avoiding slot and the second avoiding slot as a whole.

[0015] The utility model discloses still a kind of hidden furniture dismounting device, including first plate body, second plate body, above-mentioned connecting structure, and dismounting tool, and the dismounting tool at least includes the dismounting sheet that can be inserted into the joint gap of first plate body and second plate body.

[0016] Further, the dismounting sheet has a notch groove, and the notch groove opening is towards second direction, the direction that the dismounting sheet is inserted into the joint gap of first plate body and second plate body is first direction, the first direction and second direction are perpendicular or tend to be perpendicular;The notch groove has unlocking convex portion for compressing switch member in.

[0017] The utility model discloses a beneficial effect is: 1) fixed seat whole insertion first board body, and the whole insertion fixed seat of spacing component, and the first board body and second board body connect and there is no spare part exposed outside, realize the hidden installation of true meaning, and the appearance greatly promotes, 2) switch piece corresponds the junction of first board body and second board body, and through the junction of dismounting tool insertion can realize the telescopic of switch piece, and then realize the unlocking of movable part, and furniture dismounting is convenient, 3) when the first board body and second board body of furniture are connected through multiple groups of connecting structure assembly, utilize dismounting tool and can realize the dismounting of different group connecting structure one by one, need not many people cooperation operation, and the artificial cost is reduced, and dismounting is convenient and laborsaving, and the dismounting efficiency is high, 4) fixed seat slides into base and realizes the installation of first board body and second board body, and the installation is simple, and the installation efficiency promotes, and after installation, the connection stability of two is high, 5) the installation of fixed seat and first board body, the installation of spacing component and second board body are relatively simple, and the assembly efficiency is high, 6) first board body and second board body are connected closely after installation, and there is no big gap, 7) the dismounting of first board body and second board body will not cause damage, and first board body and second board body can repeatedly dismount. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a hidden furniture dismounting device's front view.

[0019] Figure 2 The utility model provides a hidden furniture dismounting device's perspective drawing.

[0020] Figure 3 The utility model provides a hidden furniture connecting structure and second board body assembly's perspective drawing.

[0021] Figure 4 The utility model provides a hidden furniture connecting structure and first board body assembly's perspective drawing.

[0022] Figure 5 The utility model provides a hidden furniture connecting structure's perspective drawing.

[0023] Figure 6 The utility model provides a hidden furniture connecting structure's partial perspective drawing, and this time omits fixed seat.

[0024] Figure 7 The utility model provides a elastic lock unit's perspective drawing.

[0025] Figure 8 The utility model provides a hidden furniture connecting structure's front view.

[0026] Figure 9 For Figure 8 A-A sectional view in.

[0027] Figure 10 The partial front view of the hidden furniture connecting structure is provided with the fixed seat omitted and the movable piece in the locking position.

[0028] Figure 11 The partial front view of the hidden furniture connecting structure is provided with the fixed seat omitted and the movable piece in the locking position. Figure 10 The B-B sectional view in the figure.

[0029] Figure 12 The partial front view of the hidden furniture connecting structure is provided with the fixed seat omitted and the movable piece in the locking position.

[0030] Figure 13 The C-C sectional view in the figure. Figure 12 The C-C sectional view in the figure.

[0031] Figure 14 The partial top view of the hidden furniture connecting structure is provided.

[0032] Figure 15 The front view of the dismounting tool is provided.

[0033] Figure 16 The D structure enlarged view in the figure. Figure 15 The D structure enlarged view in the figure.

[0034] Figure 17 The dismounting tool is used for compressing and unlocking one of the connecting structure switch pieces.

[0035] 1 - first plate body, 11 - first avoiding groove, 2 - second plate body, 21 - second avoiding groove, 3 - first plate body and second plate body joint, 4 - fixed seat, 41 - containing cavity, 5 - limiting assembly, 6 - base, 61 - slotted, 7 - elastic lock unit, 71 - movable piece, 711 - body, 712 - lock part, 713 - arc-shaped guide surface, 714 - step surface, 715 - support part, 716 - positioning surface, 72 - switch piece, 73 - reset piece, 74 - rotating shaft, 8 - dismounting tool, 81 - dismounting sheet, 82 - notch groove, 83 - unlocking convex part, 84 - handheld part, 841 - first part body, 842 - second part body. DETAILED DESCRIPTION

[0036] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection range of the utility model.

[0037] AsFigures 1-14 As shown in the drawings, a hidden furniture connecting structure is arranged between a first plate body 1 and a second plate body 2, and is used for connecting the first plate body 1 and the second plate body 2 of furniture in a hidden manner. The first plate body 1 and the second plate body 2 are wood plates. The hidden furniture connecting structure comprises a fixing seat 4 and a limiting assembly 5.

[0038] The fixing seat 4 is a hollow cylindrical structure and is made of metal. An accommodating cavity 41 is formed in the inside of the fixing seat 4. The fixing seat 4 is connected to the first plate body 1. In this embodiment, a threaded structure is formed between the outer wall of the fixing seat 4 and the connecting part of the first plate body 1, so that the stability of the connection between the fixing seat 4 and the first plate body 1 is increased. Meanwhile, the fixing seat 4 can be firmly assembled into the first plate body 1 by rotating the fixing seat 4 under an external force, and the installation is convenient. The fixing seat 4 is entirely inserted into the first plate body 1, that is, the entire length direction of the fixing seat 4 is hidden in the first plate body 1.

[0039] The limiting assembly 5 is connected to the second plate body 2 and comprises a base 6 made of metal and an elastic lock unit 7 assembled in the base 6. The elastic lock unit 7 comprises a movable piece 71 made of metal and a switch piece 72 arranged in linkage with the movable piece 71. Here, the linkage means that when the switch piece 72 is activated, the movable piece 71 can also be activated synchronously. The base 6 is a hollow cylindrical structure. The connecting part between the outer wall of the base 6 and the second plate body 2 is provided with a threaded structure, and the part is stably connected to the second plate body 2. Most of the outer wall of the base 6 is a smooth structure and is exposed outside the second plate body 2. The base 6 can be axially inserted into the accommodating cavity 41 of the fixing seat 4. The base 6 is formed with a slot 61 extending along the axial direction, and part of the movable piece 71 and the switch piece 72 can be extended from the slot 61.

[0040] The movable piece 71 has a locking position and an unlocking position. When the movable piece 71 is in the locking position, part of the movable piece 71 is extended from the slot 61 and can abut against the fixing seat 4 sleeved outside the base 6, as shown in the drawings. At this time, the movable piece 71 abuts against the inner wall of the fixing seat 4, and the two achieve a stable mounting state, that is, the base 6 and the fixing seat 4 are fixedly connected, and then the fixed assembly connection of the first plate body 1 and the second plate body 2 is achieved. Figure 8 Figure 9 When the movable piece 71 is in the unlocking position, the movable piece 71 is retracted into the base 6, that is, the movable piece 71 is separated from the state of abutting against the inner wall of the fixing seat 4, so that the base 6 and the fixing seat 4 can be freely moved, and then the disassembly of the first plate body 1 and the second plate body 2 is achieved.

[0041] When the movable piece 71 is in the unlocking position, the movable piece 71 is retracted into the base 6, that is, the movable piece 71 is separated from the state of abutting against the inner wall of the fixing seat 4, so that the base 6 and the fixing seat 4 can be freely moved, and then the disassembly of the first plate body 1 and the second plate body 2 is achieved.

[0042] ​The switch member 72 extends from the slot 61, and it is noted that the switch member 72 can extend from the slot 61 as a whole or can not extend from the slot 61 completely and partially be in the slot 61, as long as it can drive the movable member 71 to switch from the locking position to the unlocking position under the action of the dismounting tool 8. The switch member 72 has a plane extending along the axial direction of the base 6, and at least partially corresponds to the joint 3 of the first plate body 1 and the second plate body 2. An external force is applied to drive the switch member 72 to extend or retract relative to the slot 61, so as to drive the movable member 71 to switch from the locking position to the unlocking position. Since the switch member 72 corresponds to the joint 3 of the first plate body 1 and the second plate body 2, the joint 3 is a gap structure, and even if the first plate body 1 and the second plate body 2 are firmly connected, the dismounting tool 8 can also extend into the gap-shaped joint 3 to compress the switch member 72. In other words, after the fixing seat 4 and the limiting assembly 5 are connected, they are completely hidden between the first plate body 1 and the second plate body 2, and the first plate body 1 and the second plate body 2 are connected in a truly hidden manner, and the dismounting is convenient and can be repeatedly dismounted.

[0043] As shown in Figure 7 , Figure 11 , Figure 13 , in order to realize the automatic reset of the movable member 71, the elastic locking unit 7 further comprises a reset member 73 abutting against the movable member 71. The movable member 71 is rotationally connected in the base 6 through a rotating shaft 74, and comprises a body 711 connected with the rotating shaft 74, and a locking portion 712 capable of extending from the slot 71. The movable member 71 abuts against the inner wall of the fixing seat 4 through the locking portion 712. The locking portion 712 has an arc-shaped guide surface 713 capable of abutting against the fixing seat 41, and a stepped surface 714 located at the terminal end of the arc-shaped guide surface 713 and used for locking the fixing seat 4. Specifically, when the fixing seat 4 is sleeved outside the base 6, the inner wall of the fixing seat 4 slides axially relative to the base 6 until the locking portion 712 completely falls into the accommodating cavity 41 of the fixing seat 4. At this time, the stepped surface 714 firmly abuts against the inner wall of the fixing seat 4, so that the fixing seat 4 can continue to slide downward relative to the base 6 under the action of an external force, but cannot slide upward relative to the base 6, so that the base 6 and the fixing seat 4 are firmly assembled and connected under the action of the limiting assembly 5.

[0044] As shown in Figure 7 , in the embodiment, the movable member 71 and the switch member 72 are integrally arranged. The movable member 71 is a flat plate structure, and the switch member 72 and the locking portion 712 are arranged at two ends of one side surface of the body 711. In order to facilitate the assembly of the reset member 73, a supporting portion 715 for limiting the reset member 73 is arranged on the body 711, and the supporting portion 715 is arranged opposite to the switch member 72. Figure 9The shown direction is an example, the lock part 712 and the switch part 72 are located on the right side of the body 711, and are arranged on the upper and lower ends, and the support part 715 and the switch part 72 are located on the opposite positions of the left and right sides of the body 711. On the left side of the body 711, above the position opposite to the arc-shaped guide surface 713, a positioning surface 716 is arranged, which is used to limit the rotation angle of the movable part 71 relative to the base 6, and avoid excessive rotation of the movable part 71.

[0045] When the elastic lock unit 7 is assembled with the base 6, the body 711 and the reset part 73 are completely located in the base 6, one end of the reset part 73 abuts against the inner wall of the fixed seat 4, the rotating shaft 74 is arranged in the radial direction of the base 6, the plane where the slot 61 is located is perpendicular to the rotating shaft 74, the lock part 712 protrudes from the slot 61, and the switch part 72 extends from the slot 61. Due to the arrangement of the positioning surface 716, the positioning surface 716 can abut against the inner wall of the base 6 under the driving of the reset part 73, and the movable part 71 cannot be rotated counterclockwise under the action of the reset part 73.

[0046] When the fixed seat 4 is downwardly sleeved into the outside of the base 6, the fixed seat 4 first slides against the arc-shaped guide surface 713, at this time the movable part 71 is driven to rotate clockwise around the rotating shaft 74, once the fixed seat 4 slides downward to abut against the upper surface of the switch part 72, the fixed seat 4 stops downward sliding, and under the action of the reset part 73, the stepped surface 714 firmly abuts against the inner surface of the fixed seat 4, at this time the fixed seat 4 cannot be separated upward from the base 6 under the action of the lock part 712, the stable assembly of the first plate body 1 and the second plate body 2 is realized, and the fixed seat 4 does not completely cover the entire axial direction of the base 6.

[0047] An external force is applied to compress the switch part 72 to the left side, which compresses the reset part 73 and drives the movable part 71 to rotate clockwise around the rotating shaft 74, at this time the stepped surface 714 is inwardly retracted and separated from the inner wall of the fixed seat 4, so that the fixed seat 4 can freely move relative to the base 6, that is, the first plate body 1 and the second plate body 2 can be disassembled. Since the switch part 72 and the lock part 712 are located on the upper and lower ends of the body 711, and the rotating shaft 74 is arranged close to the lock part 712, the rotation of the movable part 71 driven by the switch part 72 does not need to consume a large external force, and under the limitation of the positioning surface 716, the activity amplitude of the lock part 712 will not be too large, and the locking force on the fixed seat 4 is relatively large, which ensures the stable and effective connection of the fixed seat 4 and the base 6.

[0048] In order to limit the shaking of the movable part 71, the width of the slot 61 is equivalent to the thickness of the movable part 71, in order to facilitate the installation of the reset part 73, a circular structure is formed at the bottom of the slot 61, which facilitates the insertion of the reset spring.

[0049] As Figures 1-4As shown, a concealed furniture connecting plate assembly includes a first plate 1, a second plate 2, and the aforementioned concealed furniture connecting structure. The fixing seat 4 is inserted into the first plate 1 from the side of the first plate 1 in the thickness direction and along the width direction of the first plate 1 to achieve the fixed assembly of the two.

[0050] The first plate 1 has a first clearance groove 11 formed at the mounting position of the fixing base 4. This groove is located on the end face of the first plate 1 facing the second plate 2 and at the end of the fixing base 4, with an inner diameter larger than the outer diameter of the fixing base 4. The second plate 2 has a second clearance groove 21 formed at the mounting position of the limiting component 5. This groove is located on the end face of the second plate 2 facing the first plate 1 and at the periphery of the base 6. At least a portion of the switch component 72 is located within the second clearance groove 21. When the first plate 1 and the second plate 2 are assembled and connected, the first clearance groove 11 and the second clearance groove 21 are aligned and fitted together. The switch component 72 is entirely located within the first clearance groove 11 and the second clearance groove 21, thus not affecting the assembly connection between the base 6 and the fixing base 4. At the same time, it provides sufficient space for the setting and free movement of the switch component 72, preventing the switch component 72 from being exposed to the outside. It also effectively avoids the fixing base 4 from excessively covering the base 6 and pressing down on the switch component 72, ensuring that the switch component 72 can be easily compressed inward.

[0051] The plane containing the switch component 72 is perpendicular to the junction 3 of the first plate 1 and the second plate 2, that is, as Figure 2 As shown, when the disassembly and assembly sheet 81 is inserted into the gap at the joint 3 of the first plate 1 and the second plate 2, it needs to be perpendicular to the switch 72 to ensure that the disassembly and assembly sheet 81 can effectively press down the switch 72.

[0052] A concealed furniture assembly / disassembly device includes a first panel 1, a second panel 2, the aforementioned concealed furniture connection structure, and an assembly / disassembly tool 8. The assembly / disassembly tool 8 includes at least an assembly / disassembly sheet 81 that can extend into the gap at the joint between the first panel 1 and the second panel 2.

[0053] like Figure 1 , Figure 2 , Figure 15 , Figure 16 As shown, the disassembly and assembly tool 8 includes a handheld part 84 and a disassembly and assembly sheet 81. The handheld part 84 includes a first part 841 that can be pressed against the palm and a second part 842 that can be pressed against the fingers. It can be made of plastic or silicone. The disassembly and assembly sheet 81 is made of a thin hard metal sheet.

[0054] like Figure 1 As shown, the disassembly / assembly sheet 81 has a notch / groove 82, the opening of which faces the second direction. The direction in which the disassembly / assembly sheet 81 is inserted into the gap at the joint 3 of the first plate 1 and the second plate 2 is the first direction. Therefore, the first direction and the second direction are perpendicular or tend to be perpendicular.Figure 15 , Figure 16 As shown in FIG. 8, the unlocking protrusion 83 in the notch groove 82 is used to compress the switch piece 72, which is at least partially horizontal, and has inclined surfaces at both ends to facilitate the compression of the switch piece 72 during movement. The height h of the area in the notch groove 82 without the unlocking protrusion 83 is approximately equal to the outer diameter of the base 6.

[0055] Figure 1 As shown in the direction, when the disassembling sheet 81 is inserted into the gap at the joint 3 between the first plate body 1 and the second plate body 2 in the downward direction (first direction), as shown in FIG. 9, the disassembling sheet 81 on the right side of the opening of the notch groove 82 abuts against and presses down the switch piece 72, and then the disassembling sheet 81 is translated to the right (second direction), so that the base 6 as a whole slides into the notch groove 82. At this time, since the height h of the notch groove 82 is approximately equal to the outer diameter of the base 6, and the unlocking protrusion 83 in the notch groove 82 always keeps the state of compressing the switch piece 72, the movable piece 71 of the connecting structure is in the unlocked position. If there is only one set of connecting structures between the first plate body 1 and the second plate body 2, the two can be disassembled. If there is another set of connecting structures between the first plate body 1 and the second plate body 2, the other set of connecting structures can be disassembled by using another disassembling tool 8. Figure 17

[0056] A disassembling method of a hidden furniture, comprising the following steps:

[0057] The disassembling sheet 81 of the disassembling tool 8 is inserted into the gap at the joint 3 between the first plate body 1 and the second plate body 2. Since the disassembling sheet 81 can be a very thin sheet structure, the gap at the joint 3 between the first plate body 1 and the second plate body 2 is very small, and the disassembling sheet 81 can also be inserted into the gap;

[0058] The disassembling sheet 81 compresses the switch piece 72 into the base 6, and drives the movable piece 71 to rotate relative to the base 6, so that the movable piece 71 enters the unlocked position;

[0059] The movable piece 71 and the fixed seat 4 are disengaged from the abutting state, so that the base 6 and the fixed seat 4 can move freely;

[0060] An external force can separate the first plate body 1 and the second plate body 2.

[0061] The above is only for the case that there is only one set of connecting structures between the first plate body 1 and the second plate body 2. When there are two sets of connecting structures between the first plate body 1 and the second plate body 2, the switch pieces 72 of the two sets of connecting structures are oriented in the same direction and are both perpendicular to the gap at the joint 3 between the first plate body 1 and the second plate body 2. The disassembling method comprises the following steps:

[0062] The first disassembling sheet 81 of the first disassembling tool 8 is inserted into the gap at the joint 3 between the first plate body 1 and the second plate body 2 in the downward direction (first direction);

[0063] ​The first dismounting sheet 81 compresses the switch piece 72 of one set of the connecting structures into the base 6, drives the movable piece 71 to rotate relative to the base 6, and makes the movable piece 71 of the set of the connecting structures enter the unlocking position;

[0064] The first dismounting sheet 81 moves along the second direction to the right, so that the notch groove 82 on the first dismounting sheet 81 is sleeved on the outside of the base 6 of the set of the connecting structures, and after sliding for a distance, the unlocking convex part 83 in the notch groove 82 keeps the switch piece 72 in the state of being compressed into the base 6, so that the movable piece 71 and the fixed seat 4 are separated from the abutting state, that is, the movable piece 71 of the set of the connecting structures is kept in the unlocking position, and the base 6 and the fixed seat 4 can be freely moved;

[0065] The second dismounting sheet extends into the gap between the first plate body 1 and the second plate body 2 along the first direction;

[0066] The second dismounting sheet compresses the switch piece of another set of the connecting structures into the base, drives the movable piece of the set of the connecting structures to rotate relative to the base, and makes the movable piece of the set of the connecting structures enter the unlocking position, so that the movable piece and the fixed seat of the set of the connecting structures are separated from the abutting state, and the base and the fixed seat of the set of the connecting structures can be freely moved;

[0067] The base and the fixed seat of the two sets of the connecting structures can be freely moved;

[0068] An external force can separate the first plate body 1 and the second plate body 2.

[0069] The above specific embodiments are used to explain and illustrate the present application, rather than limit the present application, and any modification and change made to the present application within the spirit and protection scope of the claims of the present application all fall into the protection scope of the present application.

Claims

1. A concealed furniture connection structure provided between a first plate body (1) and a second plate body (2), characterized in that, The application relates to a connecting structure of two plate bodies, which comprises the following parts: a fixed seat (4) connected to a first plate body (1) and internally hollow; a limiting component (5) connected to a second plate body (2), which comprises a base (6) capable of axially extending into the interior of the fixed seat (4) and an elastic locking unit (7) assembled in the base (6), wherein the base (6) is formed with a slot (61), and the elastic locking unit (7) at least comprises a movable piece (71) and a switch piece (72) arranged in linkage with the movable piece (71); the movable piece (71) has a locking position and an unlocking position, at the locking position, part of the movable piece (71) extends out of the slot (61) and can abut against the fixed seat (4), at the unlocking position, the movable piece (71) is retracted into the base (6), and the base (6) and the fixed seat (4) can freely move; the switch piece (72) extends out of the slot (61) and at least partially corresponds to the joint (3) of the first plate body (1) and the second plate body (2), an external force is applied to drive the switch piece (72) to extend or retract relative to the slot (61), and the movable piece (71) can be switched from the locking position to the unlocking position.

2. The concealed furniture connection of claim 1, wherein: the elastic locking unit (7) further comprises a reset piece (73) abutting against the movable piece (71); the movable piece (71) is rotationally connected to the base (6) through a rotating shaft (74) and comprises a body (711) connected with the rotating shaft (74) and a locking portion (712) capable of extending out of the slot (61) and abutting against the fixed seat (4), wherein the locking portion (712) has an arc-shaped guide surface (713) capable of abutting against the fixed seat (4) and a stepped surface (714) for locking the fixed seat (4).

3. The concealed furniture connection of claim 2, wherein: the movable piece (71) and the switch piece (72) are integrally arranged, and the switch piece (72) and the locking portion (712) are arranged at two ends of the side surface of the body (711); the body (711) is provided with a supporting portion (715) for limiting the reset piece (73) to be sleeved, and the supporting portion (715) is arranged opposite to the switch piece (72).

4. The concealed furniture connection of claim 2, wherein: the body (711) is provided with a positioning surface (716) for limiting the rotating angle of the movable piece (71) relative to the base (6).

5. The concealed furniture connection of claim 2, wherein: the body (711) and the reset piece (73) are located in the base (6), and the reset piece (73) abuts against the inner wall of the fixed seat (4).

6. The concealed furniture connection of claim 1, wherein: the outer wall of the fixed seat (4) and the connecting part of the first plate body (1) form a threaded structure, and the outer wall of the base (6) and the connecting part of the second plate body (2) are provided with a threaded structure.

7. A concealed furniture joint plate assembly, characterized by: the connecting structure comprises the first plate body (1), the second plate body (2) and the connecting structure as claimed in any one of claims 1-6, and the fixed seat (4) is integrally inserted into the first plate body (1).

8. The concealed furniture connector plate assembly of claim 7, wherein: The plane where the switch piece (72) is located is perpendicular to the joint (3) of the first plate body (1) and the second plate body (2); the second plate body (2) forms a second avoiding slot (21) at the installation position of the limiting assembly (5), and the switch piece (72) is at least partially located in the second avoiding slot (21); the first plate body (1) forms a first avoiding slot (11) at the installation position of the fixing base (4), and the first avoiding slot (11) is arranged opposite to the second avoiding slot (21), and when the first plate body (1) and the second plate body (2) are completely assembled and connected, the switch piece (72) is located in the first avoiding slot (11) and the second avoiding slot (21) as a whole.

9. A concealed furniture disassembly device, characterized by: The connection structure comprises a first plate body (1), a second plate body (2), and a disassembling tool (8), wherein the disassembling tool (8) at least comprises a disassembling sheet (81) which can be inserted into the gap of the joint (3) of the first plate body (1) and the second plate body (2).

10. The concealed furniture disassembly device according to claim 9, characterized in that: The disassembling sheet (81) has a notch slot (82) which is open towards a second direction, the direction in which the disassembling sheet (81) is inserted into the gap of the joint (3) of the first plate body (1) and the second plate body (2) is a first direction, and the first direction and the second direction are perpendicular or tend to be perpendicular; the notch slot (82) has an unlocking protrusion (83) for compressing the switch piece (72) in the notch slot (82).

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