Hidden disassembly and assembly system of furniture cabinet

Abstract

An invisible disassembling and assembling system of a furniture cabinet comprises a plurality of furniture plates, each furniture plate is provided with a locking groove, each locking groove comprises a clamping groove and a clamping and locking piece, the corresponding furniture plate is provided with a movable lock seat hole groove and a movable lock seat, the movable lock seats are matched with the clamping and locking pieces, each movable lock seat comprises a lock seat, a clamping sleeve and a spring, each clamping sleeve is a tubular cylinder, and each clamping sleeve is sleeved with the corresponding clamping groove. A plurality of circles of one-way teeth are arranged outside the supporting body, a sliding way matched with the supporting body is arranged on the upper portion inside the supporting body, clamping and pressing cavities are arranged on the middle portion and the lower portion communicated with the sliding way and wider than the sliding way, and a step formed at the joint of the clamping and pressing cavities is a clamping top edge. The plate end where the movable lock seat hole groove is located can be directly drilled, the problem that special groove milling equipment needs to be additionally arranged for most small and medium-sized manufacturers is solved, and the application range is wider; the locking connection surface is large, so that the furniture cabinet is assembled and connected more firmly and reliably; and the assembled furniture cabinet can realize full invisibility of disassembly and assembly parts, and the plate surface is neat and attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to an invisible disassembly and assembly system of a furniture cabinet. Background Art

[0002] There are two main ways to connect the panels of existing furniture cabinet assembly systems. One is the traditional three-in-one direct docking connection and locking method, and the other is a connection method using invisible connectors that has only appeared on the market in recent years. Both methods have certain problems in actual use.

[0003] The traditional three-in-one direct docking locking method has disassembly holes on the surface of the plate, which affects the cleanliness and appearance; the existing invisible connectors on the market are firstly complex in structure and have high product costs; secondly, the on-site assembly efficiency is low and the labor cost is high; thirdly, some require screws to tighten; fourthly, the locking effect is not good, the locking surface is small, and the stability is poor; there are requirements for processing equipment, the processing cost is high, and the efficiency of batch processing is affected. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a concealed disassembly system for a furniture cabinet which is easy to process and has high assembly and disassembly efficiency.

[0005] The utility model solves the technical problem by adopting a technical solution that is an invisible disassembly and assembly system of a furniture cabinet, comprising a plurality of furniture panels, wherein the furniture panels are provided with locking grooves, wherein the locking grooves include card slots and card locks, and the corresponding furniture panels are provided with movable lock seat hole grooves and movable lock seats, wherein the movable lock seats cooperate with the card locks,

[0006] The movable lock seat includes a lock seat, a card sleeve and a spring. The lock seat is divided into three parts: upper, middle and lower. The middle part is a sliding body, and the upper part is a locking head, which is composed of a card lock body and a card lock head. The card lock body is a geometric column structure. The four sides of the card lock head are all protruding from the upper outer side of the card lock body. The middle part of the lock seat is a sliding body, and the width of the narrowest part is greater than or equal to the width of the card lock head. The lower part of the lock seat is an arrow-shaped single card, which is composed of a support body, an arrow-shaped card edge and a spring seat. The support body is connected to the sliding body and is a geometric column. It fits with the slideway of the card sleeve and can slide up and down in the slideway. The arrow-shaped card edge is connected to the lower part of the support body, and the spring seat is arranged at the bottom of the arrow-shaped card edge;

[0007] The clamping sleeve is a tubular column, with several circles of one-way teeth on the outside, a slideway that fits the support body on the inside and the upper part, and a clamping cavity in the middle and lower parts connected to the slideway. The clamping cavity is wider than the slideway, and the step formed at the junction of the two is the clamping top edge; the arrow-shaped single card of the lock seat passes through the slideway and enters the clamping cavity, and the two wings of the arrow-shaped single card are opened and clamped on the top edge of the card, so that it cannot be withdrawn, and the spring enters from the bottom of the clamping cavity and is clamped on the spring seat;

[0008] The shape of the locking piece matches the locking slot, and a T-shaped locking slot is provided on the upper front portion thereof, wherein the upper slot is a narrow slot, which matches the locking body, and the lower slot is a wide slot, which matches the locking head. The step formed at the junction of the narrow slot and the wide slot is the locking edge. The front end of the T-shaped locking slot is closed, and the rear end is provided with an opening. The locking edge at the open end is provided with a gradual locking slope. The T-shaped locking slot is longer than the locking head. The locking head of the movable lock seat is locked in the T-shaped locking slot. The middle part of the locking piece is a locking head accommodating cavity, which can completely accommodate the locking head. The rear part of the locking piece is provided with a gradual exit slope from the bottom to the top. The two outer sides of the lower part and the front end of the locking piece are respectively provided with a protruding one-way locking edge and a front locking edge.

[0009] The card slot is arranged on the board surface or side end of the furniture panel, and is a combination of a T-shaped card slot and a front circular hole and a rear circular hole that are intersected and connected. The upper groove width of the T-shaped card slot is smaller than the diameter of the front circular hole and the rear circular hole, and the bottom groove width is equal to the diameter of the front circular hole and the rear circular hole. The step formed at the junction of the upper groove and the bottom groove is the card edge, and the lower part of the front circular hole protrudes forward to form a front card position. The locking piece is clamped in the card slot by the one-way card edge and the front card edge.

[0010] Furthermore, the ferrule is a single-circle ferrule or a continuous-circle ferrule, and the continuous-circle ferrule is composed of n single-circle ferrules connected and intersected, wherein n>1.

[0011] Furthermore, the sliding body is one of a continuous circular sliding body and an elliptical sliding body. The continuous circular sliding body is composed of m cylinders connected and intersected, wherein m≥1; the elliptical sliding body is composed of semi-cylinders at both ends and a prism in the middle that are connected and intersected.

[0012] Further, the movable lock seat hole groove is a first movable lock seat hole groove, the movable lock seat is a first movable lock seat, the first movable lock seat includes a first lock seat, a single round ferrule, and a spring, and the sliding body of the first movable lock seat is a continuous circular sliding body, in the middle of which an arrow-shaped single card is provided, which cooperates with the single round ferrule and the spring,

[0013] The two ends of the first movable lock seat hole groove are shallow round holes, and the middle is a deep round hole. The deep round hole intersects and is connected with the shallow round holes at the two ends, and the upper part and the shallow round hole together constitute the first lock seat movable cavity. The middle part of the deep round hole is a single round sleeve fixed cavity, and the lower part is a spring cavity. The first movable lock seat is clamped in the first movable lock seat hole groove, and its locking head protrudes from the furniture panel. Pressure is applied on the arc surface of the locking head to compress the spring, so that the locking head can be completely buried in the first movable lock seat hole groove, and it can pop out and reset when the pressure is released.

[0014] Further, the movable lock seat hole groove is a second movable lock seat hole groove, and the movable lock seat is a second movable lock seat.

[0015] The second movable lock seat includes a second lock seat, 2 single circular ferrules and 2 springs. An arrow-shaped single card is provided at each end of the bottom of the circular sliding body of the second lock seat, which cooperates with the 2 single circular ferrules and 2 springs. The two ends of the second movable lock seat hole groove are deep circular holes, and the middle is a shallow circular hole.

[0016] Further, the movable lock seat hole groove is a third movable lock seat hole groove, and the movable lock seat is a third movable lock seat.

[0017] The third movable lock seat comprises a third lock seat, a single round ferrule and a spring. The third lock seat is an elliptical sliding body. The upper part of the third movable lock seat hole groove is an elliptical groove, and a round hole is provided in the middle of the bottom of the elliptical groove.

[0018] Further, the movable lock seat hole groove is a fourth movable lock seat hole groove, and the movable lock seat is a fourth movable lock seat.

[0019] The fourth movable lock seat includes a fourth lock seat, two single round ferrules, and two springs. The fourth lock seat is an elliptical sliding body. The upper part of the fourth movable lock seat hole groove is an elliptical groove, and round holes are provided at both ends of the bottom of the elliptical groove.

[0020] Further, the movable lock seat hole groove is the fifth movable lock seat hole groove, and the movable lock seat is the fifth movable lock seat.

[0021] The fifth movable lock seat includes a fifth lock seat, a connecting circular sleeve, and 1-n springs. The bottom of the connecting circular sliding body of the fifth lock seat is provided with an arrow-shaped connecting clamp, and the bottom of the arrow-shaped connecting clamp is provided with a spring seat corresponding to the center of the connecting circular sliding body. 1-n springs can be installed. The fifth movable lock seat hole groove is provided with 3 intersecting and interconnected large circular holes, and a small circular hole with a smaller diameter is also provided at the bottom of the large circular hole. The small circular holes are independent of each other and are not connected to each other.

[0022] Further, the movable lock seat hole groove is the sixth movable lock seat hole groove, and the movable lock seat is the sixth movable lock seat.

[0023] The sixth movable lock seat includes a sixth lock seat, a connecting circular clamp, and 1-n springs. The sixth lock seat is an elliptical sliding body, and its bottom is an arrow-shaped connecting clamp. The upper part of the sixth movable lock seat hole groove is an elliptical groove. The bottom of the elliptical groove is provided with large circular holes that intersect and connect with each other. The bottom of the large circular hole is provided with small circular holes. The small circular holes are independent of each other and are not connected to each other.

[0024] The beneficial effects of the utility model compared with the prior art are as follows:

[0025] (1) The movable lock seat hole groove is generally set at the side end of the furniture panel, and the side end milling processing requires the use of special equipment. Most furniture manufacturers only have side drilling processing equipment. If a special groove on the side needs to be milled, additional special equipment is required. The plate end where the movable lock seat hole groove is located in the utility model can be directly drilled, and there is no need to use special equipment for milling the groove. This solves the problem that most small and medium-sized manufacturers need to add special milling equipment, and has a wider range of applications;

[0026] (2) The utility model provides a clamping sleeve at the end of the movable lock seat. The clamping sleeve is divided into a single circle clamping sleeve and a continuous circle clamping sleeve. Different numbers of clamping slots and springs corresponding to the clamping sleeve can be selected according to the size of the furniture panel to be locked, thereby increasing the locking surface between the furniture panels and making the assembly of the furniture cabinet more firm and reliable.

[0027] (3) After assembly, the furniture cabinet can achieve complete concealment of the disassembled parts, and the panel surface is neat and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of embodiments 1-6 of the present utility model.

[0029] Figure 2 It is a structural schematic diagram of the first movable lock seat and the first movable lock seat hole groove in Example 1 of the utility model.

[0030] Figure 3 It is a structural schematic diagram of the second movable lock seat and the second movable lock seat hole groove in Example 2 of the utility model.

[0031] Figure 4 It is a structural schematic diagram of the third movable lock seat and the third movable lock seat hole groove in Example 3 of the utility model.

[0032] Figure 5 It is a structural schematic diagram of the fourth movable lock seat and the fourth movable lock seat hole groove in Example 4 of the utility model.

[0033] Figure 6 It is a structural schematic diagram of the fifth movable lock seat and the fifth movable lock seat hole groove in Example 5 of the utility model.

[0034] Figure 7It is a structural schematic diagram of the sixth movable lock seat and the sixth movable lock seat hole groove in Example 6 of the utility model.

[0035] Figure 8 It is a schematic structural diagram of a single circular ferrule in Examples 1-4 of the present utility model.

[0036] Fig. 9 It is a schematic structural diagram of the circular ferrule in Embodiments 5-6 of the present invention.

[0037] Fig.10 It is a schematic diagram of the structure of the locking member and the locking slot in Examples 1-6 of the present utility model.

[0038] Figure numerals: first movable lock seat 1, first lock seat 2, continuous circular sliding body 3, elliptical sliding body 3', locking head 4, locking head 4-1, locking head 4-2, clamping edge 4-3, introduction slope 4-4, arc top 4-5, positioning convex 4-6, arrow-shaped single card 5, V-shaped clamping edge 5-1, support body 5-2, spring seat 5-3, single circular clamping sleeve 6, slideway 6-1, one-way tooth 6-2, clamping cavity 6-3, clamping top edge 6-4, continuous circular clamping sleeve 7, long slideway 7-1, one-way continuous tooth 7-2, long clamping cavity 7-3, long clamping top edge 7-4, spring 8, second movable lock seat 9, second lock seat 10 , the third movable lock seat 11, the third lock seat 12, the fourth movable lock seat 13, the fourth lock seat 14, the fifth movable lock seat 15, the fifth lock seat 16, the arrow-shaped connecting card 17, the sixth movable lock seat 18, the sixth lock seat 19, the first movable lock seat hole groove 20, the deep round hole 20-1, the shallow round hole 20-2, the first lock seat movable cavity 20-3, the single round card sleeve cavity 20-4, the spring cavity 20-5, the second movable lock seat hole groove 21, the deep round hole 21-1, the shallow round hole 21-2, the second lock seat movable cavity 21-3, the single round card sleeve cavity 21-4, the spring cavity 21-5, the third movable lock seat hole groove 22 , oval groove 22-1, round hole 22-2, the third lock seat active cavity 22-3, single round card sleeve cavity 22-4, spring cavity 22-5, the fourth active lock seat hole groove 23, oval groove 23-1, round hole 23-2, the fourth lock seat active cavity 23-3, single round card sleeve cavity 23-4, spring cavity 23-5, the fifth active lock seat hole groove 24, large round hole 24-1, small round hole 24-2, the fifth lock seat active cavity 24-3, continuous round card sleeve cavity 24-4, spring cavity 24-5, the sixth active lock seat hole groove 25, oval groove 25-1, large round hole 25-2, small round hole 25-3, the sixth lock The seat movable cavity 25-4, the connecting circular card sleeve cavity 25-5, the spring cavity 25-6, the locking piece 26, the T-shaped locking groove 26-1, the locking slope 26-2, the locking head accommodating cavity 26-3, the withdrawal slope 26-4, the one-way card edge 26-5, the front card edge 26-6, the opening 26-7, the locking edge 26-8, the positioning recess 26-9, the narrow groove 26-10, the wide groove 26-11, the card slot 27, the T-shaped card slot 27-1, the two end circular holes 27-2, the front end circular hole 27-21 and the rear end circular hole 27-22, the upper groove 27-3, the bottom groove 27-4, the card edge 27-5, and the front card position 27-6. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0040] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. Example 1

[0042] Reference Figure 1 , 2, 8, 10 This embodiment includes a plurality of furniture panels, each of which is provided with a locking groove, and each of which includes a card slot 27 and a locking member 26. The corresponding furniture panels are provided with a first movable lock seat hole slot 20 and a first movable lock seat 1, and the first movable lock seat 1 cooperates with the locking member 26.

[0043] Reference Figure 2 The first movable lock seat 1 includes a first lock seat 2, a single circular ferrule 6 and a spring 8. The first lock seat 2 is divided into three parts: upper, middle and lower. The middle part is a continuous circular sliding body 3, which is composed of three intersecting and connected cylinders. The upper part is a locking head 4, which is composed of a locking body 4-1 and a locking head 4-2. The locking body 4-1 is a geometric cylinder structure. The four sides of the locking head 4-2 are all protruding from the upper outer side of the locking body 4-1 to form a circle of locking edge 4-3. The front and rear ends of the two long sides of the locking edge 4-3 are both provided with a gradual introduction slope 4-4, and the middle part is provided with a positioning convex 4-6. The top surface of the locking head 4-2 is a square arc top 4-5, and the width of the locking head 4-2 is less than or equal to the width of the intersection of the two circles in the continuous circular sliding body 3.

[0044] The lower part of the first lock seat 2 is an arrow-shaped single card 5, and the arrow-shaped single card 5 is composed of a support body 5-2, an arrow-shaped card edge 5-1 and a spring seat 5-3. The support body 5-2 is connected to the continuous circular sliding body 3 and is a geometric cylinder. It fits with the slideway 6-1 of the single circular card sleeve 6 and can slide up and down in the slideway 6-1. The arrow-shaped card edge 5-1 is connected to the lower part of the support body 5-2, and its two wings are elastic and can be compressed inwardly. When the pressure is released, it rebounds and resets. The arrow-shaped card edge 5-1 after inward compression is the same width as the support body 5-2, and can pass through the slideway 6-1 of the single circular card sleeve 6. After passing through the slideway 6-1, the two wings are unfolded so that it is stuck on the top edge 6-4 of the single circular card sleeve 6 and cannot be withdrawn. The spring seat 5-3 is arranged at the bottom of the arrow-shaped card edge 5-1, and the single circular card sleeve 6 is a tubular column with several circles of one-way teeth 6-2 on the outside. The upper inner part is provided with a slideway 6-1 that fits the support body 5-2 of the arrow-shaped single card 5, and the middle and lower parts connected to the slideway are provided with a card pressing cavity 6-3. The card pressing cavity 6-3 is wider than the slideway 6-1, and the step formed at the junction of the two is the card top edge 6-4; the arrow-shaped single card 5 of the first lock seat 2 passes through the slideway 6-1 of the single circular card sleeve 6 and enters the card pressing cavity 6-3. The two wings of the arrow-shaped single card 5 are opened and stuck on the card top edge 6 to prevent it from withdrawing. The spring 8 enters from the bottom of the card pressing cavity 6-3 and is stuck on the spring seat 5-3 to form a first movable lock seat 1.

[0045] The two ends of the first movable lock seat hole groove 20 are shallow circular holes 20-2, and the middle is a deep circular hole 20-1. The deep circular hole 20-1 intersects and is connected with the shallow circular holes 20-2 at both ends, and its upper part and the shallow circular hole 20-2 together constitute the first lock seat active cavity 20-3. The middle part of the deep circular hole 20-1 is a single circular ferrule fixed cavity 20-4, and the lower part is a spring cavity 20-5. The first movable lock seat 1 is clamped in the first movable lock seat hole groove 20, and its locking head 4 protrudes from the furniture panel. Pressure is applied on the arc top 4-5 of the locking head 4 to compress the spring 8. The locking head 4 can be completely buried in the first movable lock seat hole groove 20, and it can pop out and reset by releasing the pressure.

[0046] Reference Fig.10The shape of the locking member 26 matches the slot 27, and a T-shaped locking slot 26-1 is provided on the front upper part thereof, wherein the upper slot is a narrow slot 26-10, which matches the locking body 4-1, and the lower slot is a wide slot 26-11, which matches the locking head 4-2. The step formed at the junction of the narrow slot 26-10 and the wide slot 26-11 is a locking edge 26-8. The front end of the T-shaped locking slot 26-1 is closed, and the rear end is provided with an opening 26-7. The locking edge 26-8 at the end of the opening 26-7 is provided with a gradual locking slope 26-2. The T-shaped locking slot 26-1 is slightly longer than the locking head 4, and the first movable lock seat 1 is The locking head 4-2 is locked in the T-shaped locking groove 26-1. The middle part of the locking piece 26 is a locking head accommodating cavity 26-3, which can completely accommodate the locking head 4. The rear part of the locking piece 26 is provided with an exit slope 26-4 which gradually changes from the bottom to the top. The lower two outer sides and the front end of the locking piece 26 are respectively provided with protruding one-way locking edges 26-5 and front locking edges 26-6. The middle part of the locking edge 26-8 of the T-shaped locking groove 26-1 is provided with a plurality of positioning recesses 26-9. The positioning recesses 26-9 are transverse grooves, which cooperate with the positioning protrusions 4-6. In this embodiment, preferably three are arranged.

[0047] The card slot 27 is arranged on the board surface of the furniture panel, and is a combination of a T-shaped card slot 27-1, a front circular hole 27-21 and a rear circular hole 27-22 that intersect and communicate with each other. The width of the upper groove 27-3 of the T-shaped card slot 27-1 is smaller than the diameter of the front circular hole 27-21 and the rear circular hole 27-22, and the width of its bottom groove 27-4 is equal to the diameter of the front circular hole 27-2 and the rear circular hole 27-22. The lower part of the front circular hole 27-21 protrudes slightly forward to form a front card position 27-6. The locking member 26 is clamped in the card slot 27 through a one-way clamping edge 26-5 and a front clamping edge 26-6.

[0048] Description of the working process of this embodiment:

[0049] A slot 27 is milled on the surface of the vertical furniture panel, and the locking member 26 is mounted therein. When mounted, the exit slope 26-4 of the locking member 26 corresponds to the rear end circular hole 27-22 of the slot 27, and the one-way locking edge 26-5 and the front locking edge 26-6 are inserted into the bottom slot 27-4 through the upper slot 27-3 and the front end circular hole 27-21 of the T-shaped slot 27-1, and are respectively locked in the locking edge 27-5 and the front locking position 27-6 of the slot 27. After being locked and fixed, a locking slot is formed. The first movable lock seat hole groove 20 is punched at the two side ends and the upper and lower ends of the middle vertical plate, and the arrow-shaped single card 5 of the first lock seat 2 is inserted inwardly from the slide 6-1 of the single circular card sleeve 6, and the V-shaped card edge 5-1 of the arrow-shaped single card 5 enters the card pressing cavity 6-3. The two wings of the V-shaped card edge 5-1 are opened and the card top is stuck on the card top edge 6-4, so that the first lock seat 2 and the single circular card sleeve 6 are combined into one and cannot fall out, and the spring 8 enters from the card pressing cavity 6-3 and is clamped on the spring seat 5-3 of the first lock seat 2 to form the first movable lock seat 1. The first movable lock seat 1 is hammered into the first movable lock seat groove 20 as a whole, and the spring 8 and the single round ferrule 6 enter the deep round hole 20-1, wherein the one-way tooth 6-2 of the single round ferrule 6 fits into the hole wall of the single round ferrule cavity 20-4, so that the single round ferrule 6 is fixed and cannot be withdrawn, and the spring 8 is against the bottom of the spring cavity 20-5, and the first lock seat 2 is ejected, so that the locking head 4 of the first lock seat protrudes from the side end of the furniture panel, and the arc top 4-5 of the locking head 4 is applied. The circular sliding body 3 slides inwardly along the first lock seat active cavity 20-3 formed by the upper part of the deep circular hole 20-1 and the shallow circular hole 20-2, and the supporting body 5-2 of the arrow-shaped single card 5 slides inwardly along the slideway 6-1 of the single circular card sleeve 6, while compressing the spring 8, so that the locking head 4 can be completely buried in the first active lock seat groove 20, and its arc top 4-5 does not protrude from the side end of the furniture panel. After the pressure is released, it rebounds and resets under the action of the spring 8.

[0050] Assembling furniture cabinets:

[0051] First, assemble the cabinet frame, and place the locking heads 4 protruding on both sides of the horizontal top plate and bottom plate of the furniture cabinet into the locking head accommodating cavities 26-3 of the corresponding locking members 26 on the left and right vertical furniture panels in turn, and apply force along the direction of the T-shaped slot 26-1. The locking body 4-1 of the locking head 4 enters the T-shaped locking slot 26-1 along the opening 26-7. At the same time, the introduction slope 4-4 of the locking head 4-2 enters the locking slope 26-2 and gradually increases the locking force. After being in place, the positioning protrusion 4-6 of the first lock seat 2 fits with the positioning recess 26-9 of the locking member 26 to complete the locking positioning. The locking edge 4-3 and the locking edge 26-8 of the locking member 26 interact with each other to lock the plate, completing the locking connection between the horizontal plate and the vertical plate. This is carried out in sequence to complete the assembly of the cabinet frame.

[0052] Install the middle vertical board, tilt it at a certain angle in the vertical direction and place it into the cabinet frame, then make it vertical. During the vertical process of the middle vertical board, the arc tops 4-5 of the locking heads 4 protruding at the upper and lower ends are gradually squeezed by the top and bottom plates, and the compression spring 8 shrinks until it is completely buried in the first movable lock seat hole groove 20. When it moves horizontally to the locking head accommodating cavity 26-3 of the locking member 26 on the top and bottom plates, the locking head 4 is released and reset to protrude, enter the locking head accommodating cavity 26-3, and apply force along the direction of the T-shaped slot 26-1. After it is in place, the assembly connection of the middle vertical board is completed.

[0053] Install the horizontal panels in sequence according to the method of installing the middle vertical panels to complete the assembly of the entire cabinet.

[0054] If disassembly is required, the horizontal layer board, the middle vertical board, the top and bottom boards can be pulled out in parallel in sequence. In this process, when the locking head 4 exits the T-shaped locking groove 26-1 and reaches the exit slope 26-4 through the locking head accommodating cavity 26-3, it continues to be pulled outward in parallel, and the exit slope 26-4 gradually squeezes the arc top 4-5 of the locking head 4, so that the first lock seat 2 gradually compresses the spring 8 and retracts. When the locking head 4 is pulled out of the exit slope 26-4, it is completely buried in the first movable lock seat hole groove 20, and it continues to be pulled outward to complete the panel disassembly. This is carried out in sequence to complete the disassembly of the entire cabinet. Example 2

[0055] Reference Figure 1 , 3, 8, 10, this embodiment includes several furniture panels, and the difference from the embodiment 1 is that: the second movable lock seat hole groove 21 is milled at both ends of the corresponding furniture panel, matched with the second movable lock seat 9, the second movable lock seat 9 is composed of the second lock seat 10, two single round clamps 6 and two springs 8, and the two ends of the bottom of the circular sliding body 3 of the second lock seat 10 are respectively provided with an arrow-shaped single clamp 5, matched with two single round clamps 6 and two springs 8, and the two ends of the second movable lock seat hole groove 21 are deep round holes 21-1, and the middle is a shallow round hole 21-2. The rest is the same as the embodiment 1. Example 3

[0056] Reference Figure 1 , 4, 8, 10, this embodiment includes several furniture panels, which are different from the embodiment 1 in that: a third movable lock seat hole groove 22 is milled on both sides of the corresponding furniture panel to match the third movable lock seat 11, the third movable lock seat 11 is composed of a third lock seat, a single round ferrule 6 and a spring 8, the third lock seat 12 is an elliptical sliding body 3', the upper part of the third movable lock seat hole groove 22 is an elliptical groove 22-1, and a round hole 22-2 is provided in the middle of the bottom of the elliptical groove 22-1. The rest is the same as the embodiment 1. Example 4

[0057] Reference Figure 1, 5, 8, 10, this embodiment includes several furniture panels, which are different from the embodiment 1 in that: the fourth movable lock seat hole groove 23 is milled on both sides of the corresponding furniture panel, and the fourth movable lock seat 13 is matched, and the fourth movable lock seat 13 is composed of a fourth lock seat 14, two single round ferrules 6, and two springs 8. The fourth lock seat 14 is an elliptical sliding body 3', and the upper part of the fourth movable lock seat hole groove 23 is an elliptical groove 23-1, and the bottom ends of the elliptical groove 23-1 are provided with round holes 23-2. The rest is the same as the embodiment 1. Example 5

[0058] Reference Figure 1 , 6, 9, 10, this embodiment includes several furniture panels, which are different from the embodiment 1 in that: the fifth movable lock seat slot 24 is milled on both sides of the corresponding furniture panel to cooperate with the fifth movable lock seat 15, the fifth movable lock seat 15 is composed of the fifth lock seat 16, the connecting circle sleeve 7, and 1-n springs, the bottom of the connecting circle sliding body 3 of the fifth lock seat 16 is provided with an arrow-shaped connecting clamp 17, the bottom of the arrow-shaped connecting clamp 17 is provided with a spring seat 17-3 corresponding to the center of the connecting circle sliding body, and the spring 8 can be installed 1-n, the fifth movable lock seat slot 24 is provided with 3 tangent and interconnected large circular holes 24-1, and a small circular hole 24-2 with a smaller diameter is also provided at the bottom of the large circular hole 24-1, and each small circular hole 24-2 is independent of each other and is not tangent or connected to each other. The rest is the same as the embodiment 1. Example 6

[0059] Reference Figure 1 , 7, 9, 10, this embodiment includes a number of furniture panels, which differ from the embodiment 5 in that: a sixth movable lock seat hole groove 25 is milled on both sides of the corresponding furniture panels to match the sixth movable lock seat 18, the sixth movable lock seat 18 is composed of a sixth lock seat 19, a connecting circular sleeve 7, and 1-n springs 8, the sixth lock seat 19 is an elliptical sliding body 3', and its bottom is an arrow-shaped connecting card 17, the upper part of the sixth movable lock seat hole groove 25 is an elliptical groove 25-1, the bottom of the elliptical groove 25-1 is provided with a tangent and interconnected large circular hole 25-2, the bottom of the large circular hole 25-2 is provided with a small circular hole 25-3, and each small circular hole 24-2 is independent of each other, and is not tangent or connected to each other. The rest is the same as the embodiment 5.

[0060] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0061] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An invisible disassembly and assembly system for a furniture cabinet, comprising a plurality of furniture panels, wherein the furniture panels are provided with locking grooves, wherein the locking grooves include a card slot and a card lock, and the corresponding furniture panels are provided with a movable lock seat hole groove and a movable lock seat, wherein the movable lock seat cooperates with the card lock; Features: The movable lock seat includes a lock seat, a card sleeve and a spring. The lock seat is divided into three parts: upper, middle and lower. The middle part is a sliding body, and the upper part is a locking head, which is composed of a card lock body and a card lock head. The card lock body is a geometric column structure. The four sides of the card lock head are all protruding from the upper outer side of the card lock body. The middle part of the lock seat is a sliding body, and the width of the narrowest part is greater than or equal to the width of the card lock head. The lower part of the lock seat is an arrow-shaped single card, which is composed of a support body, an arrow-shaped card edge and a spring seat. The support body is connected to the sliding body and is a geometric column. It fits with the slideway of the card sleeve and can slide up and down in the slideway. The arrow-shaped card edge is connected to the lower part of the support body, and the spring seat is arranged at the bottom of the arrow-shaped card edge; The clamping sleeve is a tubular column, with several circles of one-way teeth on the outside, a slideway that fits the support body on the inside and the upper part, and a clamping cavity in the middle and lower parts connected to the slideway. The clamping cavity is wider than the slideway, and the step formed at the junction of the two is the clamping top edge; the arrow-shaped single card of the lock seat passes through the slideway and enters the clamping cavity, and the two wings of the arrow-shaped single card are opened and clamped on the top edge of the card, so that it cannot be withdrawn, and the spring enters from the bottom of the clamping cavity and is clamped on the spring seat; The shape of the locking piece matches the locking slot, and a T-shaped locking slot is provided on the upper front portion thereof, wherein the upper slot is a narrow slot, which matches the locking body, and the lower slot is a wide slot, which matches the locking head. The step formed at the junction of the narrow slot and the wide slot is the locking edge. The front end of the T-shaped locking slot is closed, and the rear end is provided with an opening. The locking edge at the open end is provided with a gradual locking slope. The T-shaped locking slot is longer than the locking head. The locking head of the movable lock seat is locked in the T-shaped locking slot. The middle part of the locking piece is a locking head accommodating cavity, which can completely accommodate the locking head. The rear part of the locking piece is provided with a gradual exit slope from the bottom to the top. The two outer sides of the lower part and the front end of the locking piece are respectively provided with a protruding one-way locking edge and a front locking edge. The card slot is arranged on the board surface or side end of the furniture panel, and is a combination of a T-shaped card slot and a front circular hole and a rear circular hole that are intersected and connected. The upper groove width of the T-shaped card slot is smaller than the diameter of the front circular hole and the rear circular hole, and the bottom groove width is equal to the diameter of the front circular hole and the rear circular hole. The step formed at the junction of the upper groove and the bottom groove is the card edge, and the lower part of the front circular hole protrudes forward to form a front card position. The locking piece is clamped in the card slot by the one-way card edge and the front card edge.

2. The invisible disassembly and assembly system of furniture cabinet according to claim 1, characterized in that: The ferrule is a single-circle ferrule or a continuous-circle ferrule, and the continuous-circle ferrule is composed of n single-circle ferrules connected and intersected, wherein n>1.

3. The invisible disassembly and assembly system of furniture cabinet according to claim 2, characterized in that: The sliding body is one of a continuous circular sliding body and an elliptical sliding body. The continuous circular sliding body is composed of m cylinders connected and intersected, wherein m≥1; the elliptical sliding body is composed of semi-cylinders at both ends and a prism in the middle that are connected and intersected.

4. The invisible disassembly and assembly system of the furniture cabinet according to claim 3, characterized in that: The movable lock seat hole groove is a first movable lock seat hole groove, the movable lock seat is a first movable lock seat, the first movable lock seat includes a first lock seat, a single round clamp sleeve, and a spring, the sliding body of the first movable lock seat is a continuous circular sliding body, and an arrow-shaped single clamp is provided in the middle thereof, which cooperates with the single round clamp sleeve and the spring, The two ends of the first movable lock seat hole groove are shallow round holes, and the middle is a deep round hole. The deep round hole intersects and is connected with the shallow round holes at the two ends, and the upper part and the shallow round hole together constitute the first lock seat movable cavity. The middle part of the deep round hole is a single round sleeve fixed cavity, and the lower part is a spring cavity. The first movable lock seat is clamped in the first movable lock seat hole groove, and its locking head protrudes from the furniture panel. Pressure is applied on the arc surface of the locking head to compress the spring, so that the locking head can be completely buried in the first movable lock seat hole groove, and it can pop out and reset when the pressure is released.

5. The invisible disassembly and assembly system of furniture cabinet according to claim 3, characterized in that: The movable lock seat hole groove is a second movable lock seat hole groove, and the movable lock seat is a second movable lock seat. The second movable lock seat includes a second lock seat, 2 single circular ferrules and 2 springs. An arrow-shaped single card is provided at each end of the bottom of the circular sliding body of the second lock seat, which cooperates with the 2 single circular ferrules and 2 springs. The two ends of the second movable lock seat hole groove are deep circular holes, and the middle is a shallow circular hole.

6. The invisible disassembly and assembly system of furniture cabinet according to claim 3, characterized in that: The movable lock seat hole groove is a third movable lock seat hole groove, and the movable lock seat is a third movable lock seat. The third movable lock seat comprises a third lock seat, a single round ferrule and a spring. The third lock seat is an elliptical sliding body. The upper part of the third movable lock seat hole groove is an elliptical groove, and a round hole is provided in the middle of the bottom of the elliptical groove.

7. The invisible disassembly and assembly system of furniture cabinet according to claim 3, characterized in that: The movable lock seat hole slot is a fourth movable lock seat hole slot, and the movable lock seat is a fourth movable lock seat. The fourth movable lock seat includes a fourth lock seat, two single round ferrules, and two springs. The fourth lock seat is an elliptical sliding body. The upper part of the fourth movable lock seat hole groove is an elliptical groove, and round holes are provided at both ends of the bottom of the elliptical groove.

8. The invisible disassembly and assembly system of furniture cabinet according to claim 3, characterized in that: The movable lock seat hole groove is the fifth movable lock seat hole groove, and the movable lock seat is the fifth movable lock seat. The fifth movable lock seat includes a fifth lock seat, a connecting circular sleeve, and 1-n springs. The bottom of the connecting circular sliding body of the fifth lock seat is provided with an arrow-shaped connecting clamp, and the bottom of the arrow-shaped connecting clamp is provided with a spring seat corresponding to the center of the connecting circular sliding body. 1-n springs can be installed. The fifth movable lock seat hole groove is provided with 3 intersecting and interconnected large circular holes, and a small circular hole with a smaller diameter is also provided at the bottom of the large circular hole. The small circular holes are independent of each other and are not connected to each other.

9. The invisible disassembly and assembly system of furniture cabinet according to claim 3, characterized in that: The movable lock seat hole slot is the sixth movable lock seat hole slot, and the movable lock seat is the sixth movable lock seat. The sixth movable lock seat includes a sixth lock seat, a connecting circular clamp, and 1-n springs. The sixth lock seat is an elliptical sliding body, and its bottom is an arrow-shaped connecting clamp. The upper part of the sixth movable lock seat hole groove is an elliptical groove. The bottom of the elliptical groove is provided with large circular holes that intersect and connect with each other. The bottom of the large circular hole is provided with small circular holes. The small circular holes are independent of each other and are not connected to each other.

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