CN218440102U - Hidden connection structure convenient to disassemble and assemble and furniture cabinet - Google Patents

Abstract

The utility model provides a convenient hidden connection structure of dismouting and furniture cabinet belongs to furniture technical field for realize the cabinet body intermediate lamella and accomodate being connected between the chamber wall, include: one of the connecting parts is connected to the wall of the containing cavity and is provided with a groove; the other connecting part is connected to the layer plate, a first through hole and an expansion piece moving along the axial direction of the first through hole are arranged on the connecting part, and a guide inclined plane is arranged at one end of the expansion piece, which is in inserted connection with the groove, in the expansion piece. The utility model discloses because two connecting portion are all installed inside the panel that corresponds for unstructured exposing after the plywood is connected, thereby improve the inside outward appearance of furniture cabinet, in addition, set up to the moving part through one of them connecting portion with among the connection structure, and set up the direction inclined plane in the one end of this moving part, thereby make things convenient for installing in the dismantlement of plywood.

Description

Hidden connection structure convenient to disassemble and assemble and furniture cabinet

Technical Field

The utility model belongs to the technical field of furniture, a furniture cabinet is related to, especially a furniture cabinet with hidden connection structure that the dismouting is convenient.

Background

The cabinet body is a basic unit for forming the furniture cabinet, and generally comprises a top plate, a laminate plate, a bottom plate, a left side plate, a right side plate and a back plate which are combined through box body connecting pieces. The box connecting piece that adopts at present stage can be divided into three kinds, and the first kind is through the concatenation between rifle nail, the screw realization panel, and the second kind is through the connection that tenon fourth of the twelve earthly branches structure realized between the panel, and the third kind is through the connection that trinity connecting piece or four unification connecting pieces realized between the panel.

The first process is mostly used for home decoration, the cabinet body is rarely applied, and the connection is inconvenient. The second process is a cabinet-integrating process, and the cabinet body needs to be assembled before leaving the factory and transported integrally, so that the transportation cost is high. The third process is a scattered board process, which is the current mainstream mode. However, this method can expose part of the structure of the connecting piece, thereby affecting the appearance of the inside of the cabinet body and requiring a longer time for disassembly and assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior art and providing a connecting structure with more convenient disassembly and assembly.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a convenient hidden connection structure of dismouting for realize being connected between cabinet body median lamina and the chamber wall of accomodating chamber, include: two connecting parts are arranged on the two sides of the base,

one connecting part is connected to the wall of the containing cavity and is provided with a groove;

the other connecting part is connected to the laminated plate, a first through hole and an expansion part moving along the axis direction of the first through hole are arranged on the connecting part, wherein one end of the expansion part, which is in insertion fit with the groove, is provided with a guide inclined plane, and the insertion fit between the laminated plate and the wall of the accommodating cavity can be released through the extrusion between the guide inclined plane and the wall of the groove.

In foretell convenient hidden connection structure of dismouting, the terminal surface at recess open end place is leveled mutually with accomodating the chamber wall, and the both sides wall of recess open end is cambered surface lateral wall and plane lateral wall respectively, wherein, the direction inclined plane is the cambered surface setting, and at least one side is the plane in the adjacent both sides of direction inclined plane, when the extensible member inserts in the recess, the cooperation is supported in the cambered surface lateral wall formation in direction inclined plane and the recess open end both sides wall, and the plane lateral wall formation that is in the adjacent both sides of direction inclined plane for planar one side and the recess open end both sides wall supports and leans on the cooperation.

In the hidden connecting structure convenient to disassemble and assemble, the connecting part connected to the wall of the containing cavity comprises a guide embedded part, and the outer surface of the guide embedded part is provided with external threads and forms threaded connection matching with the wall of the containing cavity; the connecting part connected to the laminate comprises a sleeve, an external thread is arranged on the outer surface of the sleeve and forms a screw joint fit with the laminate, the first through hole is formed in the sleeve, one end of the telescopic piece, which is provided with the guide inclined plane, extends out of the sleeve, and the other end of the telescopic piece is located in the sleeve.

In the convenient hidden connection structure of foretell dismouting, the extensible member includes the guide bar, and the one end of guide bar is connected with the spring bolt, and the other end of guide bar is provided with the spacing portion that links to each other with first through-hole pore wall, and wherein, the direction inclined plane sets up in the one end of spring bolt, is provided with the elastic component between the other end of spring bolt and the spacing portion, and this elastic component nestification is on the guide bar.

In the concealed connecting structure convenient to disassemble and assemble, the limiting part comprises a gasket, and a second through hole is formed in the gasket, wherein the gasket is matched with the hole wall of the first through hole to block the freedom degree of the gasket moving along the axial direction of the first through hole, one end of the guide rod is connected with the lock tongue, and the other end of the guide rod penetrates through the second through hole; the limiting piece is connected to the guide rod, the lock tongue and the limiting piece are respectively positioned on two sides of the gasket, and when one end of the lock tongue, which is provided with the guide inclined plane, retracts into the sleeve, the gasket is separated from the limiting piece; when one end of the lock bolt provided with the guide inclined plane extends out of the sleeve, the gasket abuts against the limiting part so as to control the extending amount of the lock bolt.

In the convenient hidden connection structure of foretell dismouting, telescopic internal surface is provided with the internal thread, and adopts the spiro union cooperation between gasket and the sleeve, and wherein, the surface of guide bar is provided with the external screw thread, and the one end and the spring bolt spiro union cooperation of guide bar, and the other end of guide bar passes the second through-hole and forms the spiro union cooperation with the locating part, and the one end of elastic component links to each other with the spring bolt, and the other end of elastic component links to each other with the gasket.

In foretell convenient hidden connection structure of dismouting, first through-hole is the echelonment setting, including first shaft segment and second shaft segment, and the internal surface of first shaft segment is smooth surface, the internal surface of second shaft segment is provided with the internal thread, wherein, the gasket spiro union is in the second shaft segment, and lean on with the terminal surface counterbalance of first shaft segment, and first shaft segment, the second shaft segment is the setting of waist drum form, wherein, after first shaft segment is rotatory 90 along clockwise or anticlockwise, the extending direction one-to-one of each side on first shaft segment and the extending direction of each side on the second shaft segment.

In the concealed connecting structure convenient to disassemble and assemble, the end face of one end of the first shaft section, which is far away from the second shaft section, extends outwards along the direction far away from the sleeve shaft to form a derivative thin edge.

The utility model also provides a furniture cabinet, include:

the cabinet body is internally provided with a containing cavity, the upper side cavity wall and the lower side cavity wall of the containing cavity are respectively provided with a top plate and a bottom plate, the left side cavity wall and the right side cavity wall of the containing cavity are respectively provided with a left side plate and a right side plate, a laminate is further arranged in the containing cavity, the inner space of the containing cavity is divided by the laminate, and when the laminate is parallel to the top plate or the bottom plate, the hidden connecting structure convenient to disassemble and assemble is positioned between the laminate and the left side plate or the right side plate; when the plywood was parallel with left side board or right side board, the convenient hidden connection structure of dismouting be located between plywood and roof, the bottom plate.

In the furniture cabinet, the installation direction of the layer plate is consistent with the disassembly direction.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model provides a pair of furniture cabinet, because two connecting portion are all installed inside the panel that corresponds for there is not structural exposure behind the plywood connection, thereby improve the inside outward appearance of furniture cabinet, in addition, set up to the moving part through one of them connecting portion with among the connection structure, and set up the direction inclined plane in the one end of this moving part, thereby make things convenient for installing in the dismantlement of plywood.

(2) The sleeve cannot sink into the laminate when being mounted on the laminate through the derivative thin edge, and the mounting reliability of the second connecting part is improved.

Drawings

Fig. 1 is a schematic structural view of a furniture cabinet of the present invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is a schematic structural diagram of a first connecting portion according to a preferred embodiment of the present invention.

Fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of the first connecting part shown in fig. 3.

Fig. 5 is a sectional view of a second connecting portion according to a preferred embodiment of the present invention.

Fig. 6 is a cross-sectional view of a first shaft section in a preferred embodiment of the invention.

Fig. 7 is a cross-sectional view of a second shaft section in a preferred embodiment of the invention.

Fig. 8 is a schematic diagram of a laminate installation process according to a preferred embodiment of the present invention.

Fig. 9 is a schematic view of a preferred embodiment of the present invention with the laminate in place.

FIG. 10 is a schematic diagram of a process for disassembling the laminate according to a preferred embodiment of the present invention.

In the figure, 100, a cabinet body; 110. a receiving cavity; 120. a top plate; 130. a base plate; 140. a left side plate; 150. a right side plate; 160. a back plate; 170. laminating the plates; 200. a connecting structure; 210. a first connection portion; 211. a groove; 2111. a cambered surface side wall; 2112. a planar sidewall; 212. guiding the embedded part; 220. a second connecting portion; 221. a sleeve; 2211. a derivative featheredge; 222. a first through hole; 2221. a first shaft section; 2222. a second shaft section; 223. a guide rod; 224. a latch bolt; 2241. a guide slope; 225. an elastic member; 226. a gasket; 2261. a second through hole; 227. and a limiting member.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 10, the present invention provides a furniture cabinet, including:

the cabinet body 100 is internally provided with a containing cavity 110, the cavity walls of the upper side and the lower side of the containing cavity 110 are respectively provided with a top plate 120 and a bottom plate 130, the cavity walls of the left side and the right side of the containing cavity 110 are respectively provided with a left side plate 140 and a right side plate 150, the cavity bottom of the containing cavity 110 is provided with a back plate 160, wherein a laminated plate 170 is further arranged in the containing cavity 110, the inner space of the containing cavity 110 is divided by the laminated plate 170, and when the laminated plate 170 is parallel to the top plate 120 or the bottom plate 130, connecting structures 200 are respectively arranged between the two sides of the laminated plate 170 and the left side plate 140 and the right side plate 150; when the layer plate 170 is parallel to the left side plate 140 or the right side plate 150, a connection structure 200 is arranged between two sides of the layer plate 170 and the top plate 120 and the bottom plate 130 respectively, wherein when the layer plate 170 is parallel to the top plate 120 or the bottom plate 130, the connection structure 200 comprises a first connection part 210 arranged on the left side plate 140 or the right side plate 150, and a second connection part 220 arranged on the layer plate 170 and capable of moving in a direction perpendicular to the left side plate 140 or the right side plate 150, and a first guide inclined surface 2241 is arranged on the second connection part 220; when the layer plate 170 is parallel to the left side plate 140 or the right side plate 150, the connection structure 200 includes a third connection portion disposed on the top plate 120 or the bottom plate 130, and a fourth connection portion disposed on the layer plate 170 and movable in a direction perpendicular to the top plate 120 or the side surface, and a second guide slope 2241 is disposed on the fourth connection portion, and the first connection portion 210 has the same structure as the third connection portion, the second connection portion 220 has the same structure as the fourth connection portion, and the first connection portion 210, the second connection portion 220, the third connection portion, and the fourth connection portion may be collectively referred to as a connection portion; the first and second guide slopes 2241 and 2241 have the same structure, and the first and second guide slopes 2241 and 2241 may be collectively referred to as a guide slope 2241.

It should be mentioned that, when the layer plate 170 is parallel to the top plate 120 or the bottom plate 130 and the layer plate 170 is installed, first, the end provided with the guide slope 2241 is retracted into the layer plate 170, and the layer plate 170 is horizontally inserted between the left side plate 140 and the right side plate 150, then the layer plate 170 is pushed up to move from the bottom plate 130 to the top plate 120, when the second connection part 220 on the layer plate 170 and the first connection part 210 on the left side plate 140 or the right side plate 150 are on the same horizontal line, the end of the second connection part 220 where the guide slope 2241 is located extends out and is clamped into the first connection part 210, thereby completing the installation of the layer plate 170; when the laminate 170 needs to be detached, the laminate 170 is only required to be pushed up again, so that the laminate 170 moves in a direction close to the top plate 120, and at this time, because one end of the guide inclined surface 2241 on the second connecting portion 220 collides with the first connecting portion 210, and as the laminate 170 continuously moves upwards, one end of the guide inclined surface 2241 on the second connecting portion 220 is pressed and continuously retracts into the laminate 170, thereby releasing the connection between the laminate 170 and the left side plate 140 or the right side plate 150.

When the layer plate 170 is parallel to the left side plate 140 or the right side plate 150, if the layer plate 170 is close to the left side plate 140 from the right side plate 150 to complete the insertion between the third connection part and the fourth connection part, the layer plate 170 is continuously pushed to move in the direction close to the left side plate 140 when being detached, and the insertion between the third connection part and the fourth connection part is released; on the contrary, if the layer plate 170 is moved from the left side plate 140 to the right side plate 150 to complete the insertion between the third connecting portion and the fourth connecting portion, the layer plate 170 is continuously pushed to move in the direction approaching the right side plate 150 to remove the insertion between the third connecting portion and the fourth connecting portion when the layer plate 170 is removed.

Accordingly, the installation direction of the layer plate 170 is the same as the removal direction regardless of whether the layer plate 170 is parallel to the top plate 120 and the bottom plate 130 or parallel to the left side plate 140 and the right side plate 150 after installation.

The utility model provides a pair of furniture cabinet because two connecting portion are all installed inside the panel that corresponds for the plywood 170 is connected the exposure of back unstructured, thereby improves the inside outward appearance of furniture cabinet, in addition, sets up to the moving part through one of them connecting portion with among the connection structure 200, and sets up direction inclined plane 2241 in the one end of this moving part, thereby makes things convenient for installing in dismantling of plywood 170.

For the convenience of detailed description of the structure, the following structure will be described by taking the case where the laminate 170 is parallel to the top plate 120 and the bottom plate 130.

Preferably, a groove 211 is formed in the first connection portion 210, an opening direction of the groove 211 is perpendicular to an installation direction of the laminate 170, an expansion piece is arranged on the second connection portion 220, a moving direction of the expansion piece is perpendicular to the installation direction of the laminate 170, wherein the guide inclined plane 2241 is arranged on the expansion piece, when the expansion piece is inserted into the groove 211, the laminate 170 is installed, the laminate 170 is pushed up, the expansion piece is contracted into the laminate 170 by pressing the side wall on one side of the guide inclined plane 2241 on the groove 211 and the guide inclined plane 2241, the insertion and connection between the expansion piece and the groove 211 are removed, and the laminate 170 is disassembled.

Further preferably, two side walls of the opening end of the groove 211 are an arc side wall 2111 and a plane side wall 2112, respectively, wherein the guiding inclined surface 2241 is an arc surface, and at least one of two adjacent sides of the guiding inclined surface 2241 is a plane, when the telescopic member is inserted into the groove 211, the guiding inclined surface 2241 forms an abutting fit with the arc side wall 2111 of the two side walls of the opening end of the groove 211, and the planes of the two adjacent sides of the guiding inclined surface 2241 form an abutting fit with the plane side wall 2112 of the two side walls of the opening end of the groove 211.

Preferably, the first connecting portion 210 includes a guiding embedded part 212 arranged in a shape of a revolving body, and an external thread is arranged on the outer surface of the guiding embedded part 212, and the guiding embedded part 212 is screwed with the left side plate 140 or the right side plate 150, wherein the plane of the opening end of the groove 211 on the guiding embedded part 212 is flush with the inner side surface of the left side plate 140 or the right side plate 150; the second connection portion 220 includes a sleeve 221 disposed in a revolving body shape, and an external thread is disposed on an outer surface of the sleeve 221, and the sleeve 221 is screwed with the layer plate 170, wherein a first through hole 222 is disposed along an axial direction of the sleeve 221, and the expansion member is inserted into the first through hole 222 and can move along the axial direction of the first through hole 222.

Preferably, the telescopic member includes a guide rod 223, one end of the guide rod 223 is connected with a latch bolt 224, the other end of the guide rod 223 is provided with a limiting portion connected with the hole wall of the first through hole 222, wherein a guide inclined surface 2241 is provided at one end of the latch bolt 224, an elastic member 225 is provided between the other end of the latch bolt 224 and the limiting portion, and the elastic member 225 is nested on the guide rod 223.

It should be noted that, when the laminate 170 needs to be disassembled, the guiding inclined surface 2241 forms a press fit with the groove wall of the groove 211, the latch bolt 224 provided with one end of the guiding inclined surface 2241 retracts into the sleeve 221, and the elastic member 225 is compressed, so that the connection between the first connection portion 210 and the second connection portion 220 is released. When the laminate 170 needs to be installed, when the first connection portion 210 and the second connection portion 220 are on the same horizontal line along with the movement of the laminate 170, the latch tongue 224 is inserted into the groove 211 under the action of the elastic member 225, and the extending length of the latch tongue 224 is controlled by the limiting portion.

Preferably, the limiting portion includes a gasket 226, and a second through hole 2261 is disposed on the gasket 226, wherein the gasket 226 cooperates with a hole wall of the first through hole 222 to block a degree of freedom for the gasket 226 to move along an axial direction of the first through hole 222, one end of the guide rod 223 is connected to the latch bolt 224, and the other end of the guide rod 223 passes through the second through hole 2261; the limiting piece 227 is connected to the guide rod 223, and the lock tongue 224 and the limiting piece 227 are respectively located at two sides of the gasket 226, wherein when one end of the lock tongue 224, which is provided with the guide inclined surface 2241, is retracted into the sleeve 221, the gasket 226 is separated from the limiting piece 227; when the end of the latch bolt 224, which is provided with the guide slope 2241, extends out of the sleeve 221, the washer 226 abuts against the stopper 227, so as to control the extending amount of the latch bolt 224.

Further preferably, an internal thread is disposed on a hole wall of the first through hole 222, and the gasket 226 is in threaded connection with the hole wall of the first through hole 222, wherein an external thread is disposed on an outer surface of the guide rod 223, one end of the guide rod 223 is in threaded connection with the lock tongue 224, the other end of the guide rod 223 penetrates through the second through hole 2261 to form threaded connection with the retaining member 227, one end of the elastic member 225 is connected with the lock tongue 224, and the other end of the elastic member 225 is connected with the gasket 226.

It should be noted that the limiting member 227 is a nut, and the guiding rod 223 is a screw.

Preferably, the first through hole 222 is arranged in a step shape and includes a first shaft section 2221 and a second shaft section 2222, an inner surface of the first shaft section 2221 is a smooth surface, an inner surface of the second shaft section 2222 is provided with an internal thread, wherein the gasket 226 is screwed to the second shaft section 2222 and abuts against an end surface of the first shaft section 2221, and the first shaft section 2221 and the second shaft section 2222 are arranged in a waist drum shape, wherein, after the first shaft section 2221 rotates clockwise or counterclockwise by 90 °, an extending direction of each side edge on the first shaft section 2221 corresponds to an extending direction of each side edge on the second shaft section 2222 one to one.

Preferably, an end surface of the first shaft section 2221 remote from the second shaft section 2222 extends outward to form a derivative feathered edge 2211, wherein the derivative feathered edge 2211 prevents the sleeve 221 from sinking into the laminate 170 when the sleeve 221 is mounted on the laminate 170, thereby improving the reliability of the mounting of the second connection 220.

The utility model relates to a furniture cabinet's theory of operation, at first with the front of plywood 170 (with the surface of direction inclined plane 2241 with one side) towards backplate 160, then promote plywood 170, make direction inclined plane 2241 and left side board 140 of plywood 170 both sides, the border of right side board 150 touches the extrusion, when plywood 170 gets into in accomodating chamber 110 completely, the one end at direction inclined plane 2241 place on the spring bolt 224 stretches into in the sleeve 221, 90 degrees anticlockwise outwards overturn after that, make plywood 170 be in like the state that fig. 8 shows, promote plywood 170 to shift up again, when the position of spring bolt 224 with recess 211 is relative, spring bolt 224 releases under the effect of elastic component, and insert in the recess 211, accomplish plywood 170's installation. If the laminate 170 is to be disassembled, the laminate 170 is pushed upwards, the clamping between the latch bolt 224 and the groove 211 is released, so that the latch bolt 224 is compressed into the sleeve 221 again, and finally the laminate 170 is pulled out of the accommodating cavity 110, so that the disassembly of the laminate 170 can be completed.

It is noted that the description herein of "first," "second," "a," etc. is for descriptive purposes only and is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected", "fixed", and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a convenient hidden connection structure of dismouting for realize being connected between the cabinet body intermediate side board and the chamber wall of accomodating, its characterized in that includes: two connecting parts are arranged on the two sides of the base,

one connecting part is connected to the wall of the containing cavity and is provided with a groove;

the other connecting part is connected to the laminated plate, a first through hole and an expansion piece moving along the axis direction of the first through hole are formed in the connecting part, a guide inclined plane is arranged at one end, which is in insertion fit with the groove, of the expansion piece, and the insertion fit between the laminated plate and the wall of the containing cavity can be relieved through extrusion between the guide inclined plane and the wall of the groove.

2. The concealed connecting structure convenient to assemble and disassemble according to claim 1, wherein the end face where the opening end of the groove is located is flush with the wall of the containing cavity, and the two side walls of the opening end of the groove are respectively an arc side wall and a plane side wall, wherein the guiding inclined plane is arranged in an arc shape, at least one of the two adjacent sides of the guiding inclined plane is a plane, when the telescopic member is inserted into the groove, the guiding inclined plane is in abutting fit with the arc side walls of the two side walls of the opening end of the groove, and the plane side wall of the two adjacent sides of the guiding inclined plane is in abutting fit with the plane side walls of the two side walls of the opening end of the groove.

3. The concealed connecting structure convenient to disassemble and assemble according to claim 1, wherein the connecting part connected to the wall of the containing cavity comprises a guiding embedded part, and the outer surface of the guiding embedded part is provided with external threads and forms threaded connection with the wall of the containing cavity; the connecting part connected to the laminate comprises a sleeve, an external thread is arranged on the outer surface of the sleeve and forms a screw joint fit with the laminate, the first through hole is formed in the sleeve, one end of the telescopic piece, which is provided with the guide inclined plane, extends out of the sleeve, and the other end of the telescopic piece is located in the sleeve.

4. The concealed connection structure convenient to assemble and disassemble according to claim 3, wherein the telescopic member comprises a guide rod, one end of the guide rod is connected with a lock tongue, the other end of the guide rod is provided with a limiting part connected with the wall of the first through hole, the guide inclined plane is arranged at one end of the lock tongue, an elastic member is arranged between the other end of the lock tongue and the limiting part, and the elastic member is nested on the guide rod.

5. The concealed connecting structure convenient to disassemble and assemble according to claim 4, wherein the limiting part comprises a gasket, and a second through hole is arranged on the gasket, wherein the gasket is matched with the hole wall of the first through hole to block the freedom degree of the gasket moving along the axial direction of the first through hole, one end of the guide rod is connected with the bolt, and the other end of the guide rod penetrates through the second through hole; the limiting piece is connected to the guide rod, the lock tongue and the limiting piece are respectively positioned on two sides of the gasket, and when one end of the lock tongue, which is provided with the guide inclined plane, retracts into the sleeve, the gasket is separated from the limiting piece; when one end of the spring bolt provided with the guide inclined plane extends out of the sleeve, the gasket is abutted against the limiting part so as to control the extending amount of the spring bolt.

6. The hidden connection structure convenient and fast to assemble and disassemble as claimed in claim 5, wherein the inner surface of the sleeve is provided with internal threads, and the gasket is in threaded connection with the sleeve, wherein the outer surface of the guide rod is provided with external threads, one end of the guide rod is in threaded connection with the lock tongue, the other end of the guide rod penetrates through the second through hole to form threaded connection with the limiting part, one end of the elastic part is connected with the lock tongue, and the other end of the elastic part is connected with the gasket.

7. The concealed connecting structure convenient to disassemble and assemble according to claim 3, wherein the first through hole is arranged in a step shape and comprises a first shaft section and a second shaft section, the inner surface of the first shaft section is a smooth surface, the inner surface of the second shaft section is provided with internal threads, the gasket is screwed on the second shaft section and abuts against the end surface of the first shaft section, the first shaft section and the second shaft section are arranged in a waist drum shape, and when the first shaft section rotates 90 degrees in a clockwise direction or an anticlockwise direction, the extending direction of each side edge on the first shaft section corresponds to the extending direction of each side edge on the second shaft section one by one.

8. The concealed connecting structure convenient for assembly and disassembly according to claim 7, wherein an end face of the first shaft section far away from the second shaft section extends outwards along a direction far away from the sleeve axis to form a derived thin edge.

9. A furniture cabinet, comprising:

the concealed type connection structure comprises a cabinet body, wherein a containing cavity is arranged in the cabinet body, a top plate and a bottom plate are respectively arranged on the upper side cavity wall and the lower side cavity wall of the containing cavity, a left side plate and a right side plate are respectively arranged on the left side cavity wall and the right side cavity wall of the containing cavity, a laminated plate is further arranged in the containing cavity, the inner space of the containing cavity is divided by the laminated plate, and when the laminated plate is parallel to the top plate or the bottom plate, the concealed type connection structure convenient to assemble and disassemble is positioned between the laminated plate and the left side plate or the right side plate; the concealed connection structure for easy assembly and disassembly according to any one of claims 1 to 8 is located between the laminate and the top and bottom plates when the laminate is parallel to the left or right side plate.

10. Furniture cabinet according to claim 9, characterized in that the direction of installation of the layer coincides with the direction of removal.

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