CN218935001U

CN218935001U - Cabinet door connecting device and combined cabinet

Info

Publication number: CN218935001U
Application number: CN202223421391.3U
Authority: CN
Inventors: 徐立勇
Original assignee: Foshan Hanjian Furniture Materials Co ltd
Current assignee: Foshan Hanjian Furniture Materials Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-28
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a cabinet door connecting device and a combined cabinet, wherein the combined cabinet comprises a cabinet door and a cabinet plate which are hinged with each other, the cabinet door connecting device comprises two connecting seats, a hinge seat and a locking piece, the two connecting seats are respectively embedded in the cabinet door and the cabinet plate, and each connecting seat is provided with a first connecting hole; the hinge seat comprises mutually hinged mounting parts, each mounting part comprises a supporting part, the supporting parts are provided with second connecting holes, and the second connecting holes are correspondingly arranged with the first connecting holes; the locking piece is arranged in the first connecting hole and the second connecting hole in a penetrating mode, so that the hinge base is installed on the connecting base. The locking piece of the technical scheme of the utility model is penetrated through the first connecting hole and the second connecting hole so as to install the installation part on the connecting seat, thus the locking piece can be aligned conveniently, the installation dislocation of the hinge seat is reduced, the installation efficiency of the hinge seat is improved, and the installation between the hinge seat and the cabinet door and the cabinet plate is more compact and firm.

Description

Cabinet door connecting device and combined cabinet

Technical Field

The utility model relates to the technical field of combined cabinets, in particular to a cabinet door connecting device and a combined cabinet.

Background

The combined cabinet is a cabinet body formed by splicing and assembling a plurality of parts, has higher portability and convenient installation and is widely popularized.

The existing cabinet door is generally connected with the cabinet plate through a door hinge, but when the existing door hinge is installed, the problem that the positioning of the door hinge is inaccurate, and the screw is matched with the fixed screw hole to be connected with the fixed screw hole in a misplacement mode often occurs, so that the installation of the door hinge is inconvenient, and the working efficiency and the stability and the reliability are affected.

Disclosure of Invention

The main purpose of the utility model is to provide a cabinet door connecting device and a combined cabinet, which aim at the locking piece to penetrate through a first connecting hole and a second connecting hole so as to install a hinge seat on the connecting seat, thus the hinge seat can be aligned conveniently, the installation dislocation of the hinge seat is reduced, the installation efficiency of the hinge seat is improved, and the installation between the hinge seat and a cabinet door and a cabinet board is tighter and firmer.

In order to achieve the above object, the present utility model provides a cabinet door connecting device, which is applied to a combined cabinet, the combined cabinet includes a cabinet door and a cabinet board hinged to each other, the cabinet door connecting device includes:

the two connecting seats are used for being respectively embedded in the cabinet door and the cabinet plate, each connecting seat comprises a supporting part, and the supporting parts are provided with first connecting holes;

the hinge base comprises mutually hinged installation parts, each installation part is provided with a second connecting hole, and the first connecting holes and the second connecting holes are correspondingly arranged;

the locking piece penetrates through the first connecting hole and the second connecting hole so as to install the installation part on the connecting seat.

In an alternative embodiment, the supporting portion is formed with a groove, and a supporting column is disposed in the groove, and the supporting column is provided with the first connection hole, so that the mounting portion is mounted on the supporting portion through the locking member.

In an optional embodiment, a plurality of support columns are provided, the plurality of support columns are arranged in the groove at intervals, and each support column is provided with the first connecting hole;

the second connecting holes are provided in plurality, and each first connecting hole corresponds to each second connecting hole.

The utility model also provides a combined cabinet, which comprises a cabinet door, a cabinet plate and the cabinet door connecting device, wherein the cabinet door is hinged with the cabinet plate through the cabinet door connecting device.

In an alternative embodiment, the cabinet door and the cabinet plate are both provided with positioning grooves, and one side wall of each positioning groove is provided with a limiting groove;

the connecting seat further comprises a limiting part, the limiting part is arranged on the outer side wall of the supporting part, the limiting part is used for being embedded into the limiting groove, and the supporting part is used for being installed in the positioning groove.

In an alternative embodiment, the limiting part is provided with a connecting section and a first blocking edge, one end of the connecting section is connected with the supporting part, and the first blocking edge is arranged at the other end of the connecting section;

and a second blocking edge is convexly arranged on one side wall of the limiting groove, and when the limiting part is inserted into the limiting groove, the first blocking edge is abutted to the second blocking edge so as to limit the limiting part in the limiting groove.

In an alternative embodiment, the first blocking edge is provided with a first protruding structure, and the first protruding structure protrudes towards the supporting part;

the second keeps off along being equipped with the protruding structure of second, the protruding structure of second is towards deviating from the direction of constant head tank is protruding establishes, the protruding structure of second with the protruding structure looks butt of first, in order to be perpendicular to the extending direction of first fender along is last spacing portion.

In an alternative embodiment, at least two first protruding structures are arranged at intervals on the first blocking edge;

the second protruding structures extend along the extending direction of the first baffle edge and are abutted against the two first protruding structures at two ends.

In an alternative embodiment, a connecting end face is formed at the connection part of the connecting section and the first blocking edge;

the connecting seat further comprises an extension section, the extension section is convexly arranged on the connecting end face of the limiting part, one end of the extension section is connected to an outer side wall of the supporting part, the other end of the extension section is connected to the first blocking edge, and in the direction perpendicular to the connecting end face, the height of the extension section is lower than that of the first blocking edge.

In an alternative embodiment, the outer side of the connecting section is in a circular arc shape.

The cabinet door connecting device and the combined cabinet are applied to the combined cabinet, the combined cabinet comprises a cabinet door and a cabinet plate which are hinged with each other, the cabinet door connecting device comprises two connecting seats, a hinge seat and a locking piece, the two connecting seats are respectively embedded in the cabinet door and the cabinet plate so as to realize stable installation of the connecting seats on the cabinet plate and the cabinet door, each connecting seat comprises a supporting part, and the supporting part is provided with a first connecting hole; the hinge seat comprises mutually hinged mounting parts, each mounting part is provided with a second connecting hole, and the second connecting holes are correspondingly arranged with the first connecting holes; the locking piece is arranged in the first connecting hole and the second connecting hole in a penetrating mode so that a mounting part is mounted on the connecting seat, and therefore the locking piece can be aligned conveniently, mounting dislocation of the hinge seat is reduced, mounting efficiency of the hinge seat is improved, and mounting between the hinge seat and a cabinet door and between the hinge seat and a cabinet board is tight and firm.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a cabinet door connection device and a combination cabinet according to the present utility model;

fig. 2 is a schematic structural view of a connection seat in the cabinet door connection device shown in fig. 1;

FIG. 3 is a cross-sectional view of the cabinet door attachment apparatus and combination cabinet of FIG. 1;

fig. 4 is an enlarged view at a in fig. 3.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a cabinet door connecting device, which aims at enabling a locking piece to penetrate through a first connecting hole and a second connecting hole so as to install a hinge seat on the connecting seat, so that the hinge seat can be aligned conveniently, the installation dislocation of the hinge seat is reduced, the installation efficiency of the hinge seat is improved, and the hinge seat, a cabinet door and a cabinet plate can be installed more tightly and firmly.

Referring to fig. 1 to 4, the specific structure of the cabinet door 201 connecting device 10 according to the present utility model will be described in the following, in which, in an embodiment of the present utility model, the cabinet door 201 connecting device 10 is applied to a combined cabinet 20, the combined cabinet 20 includes a cabinet door 201 and a cabinet board 202 that are hinged, and the cabinet door 201 connecting device 10 includes:

the two connecting seats 1 are used for being respectively embedded in the cabinet door 201 and the cabinet plate 202, each connecting seat 1 comprises a supporting part 11, and the supporting part 11 is provided with a first connecting hole 1121;

the hinge base 2, the hinge base 2 includes the installation department 21 that articulates each other, every installation department 21 offers the second connecting hole 22, the second connecting hole 22 is set up with the first connecting hole 1121 correspondingly;

the locking piece is arranged through the first connecting hole 1121 and the second connecting hole 22 to install the installation part 21 on the connecting seat 1.

As can be seen, the cabinet door 201 connecting device 10 is a device that enables the door to be naturally and smoothly rotated to open and close, and is applied to the combined cabinet 20, the common cabinet door 201 connecting device 10 includes a hinge base 2, the hinge base 2 includes two mounting portions 21 hinged to each other, the common combined cabinet 20 includes a cabinet door 201 and a cabinet plate 202 hinged to each other, one of the mounting portions 21 is fixed to the cabinet plate 202, and the other mounting portion 21 is fixed to the cabinet door 201, so as to smoothly open or close the cabinet door 201 on the combined cabinet 20. Of course, the cabinet door 201 connecting device 10 can also be applied to the connection of cabinet doors 201 such as bookcases, floor cabinets, television cabinets, sideboards, cabinets, and storage cabinets.

In this embodiment, the cabinet door 201 connecting device 10 further includes two connecting seats 1, and one of the connecting seats 1 is embedded on the cabinet plate 202, the other connecting seat 1 is embedded on the cabinet door 201, and one mounting portion 21 in the hinge seat 2 is mounted on the connecting seat 1 through the locking member, and the other mounting portion 21 in the hinge seat 2 is mounted on the other connecting seat 1 through the locking member, so that the hinge seat 2 is mounted at the joint of the cabinet door 201 and the cabinet plate 202, and the hinge seat 2 is further quickly positioned on the connecting seat 1 through the locking member. The locking member is a standard member such as a screw.

Specifically, in order to be convenient for install the hinge seat 2 on connecting seat 1, first connecting hole and second connecting hole have been seted up respectively on connecting seat 1 and hinge seat 2 to first connecting hole corresponds the setting with the second connecting hole, and then can directly install hinge seat 2 on connecting seat 1 through the locking piece, be convenient for hinge seat 2 and hinge body install respectively fast on cabinet door 201 and cabinet board 202, and can conveniently aim at, reduce the installation dislocation and improved the installation effectiveness greatly. Simultaneously, can also make the fixed inseparabler firm between cabinet door 201 and the cabinet board 202, avoid hinge seat 2 when the installation, often appear hinge seat 2 location inaccuracy, the condition that the cooperation is connected dislocation appears between hinge seat 2 and cabinet door 201, the cabinet board 202. During disassembly, the connecting seat 1 is not required to be disassembled, and the disassembly between the hinge seat 2 and the cabinet door 201 and the cabinet plate 202 can be realized only by loosening the unlocking firmware, so that the cabinet door 201 and the cabinet plate 202 are prevented from being damaged.

Referring to fig. 2, in an alternative embodiment, the supporting portion 11 is formed with a groove 111, a supporting column 112 is disposed in the groove 111, and the supporting column 112 is provided with a first connecting hole 1121, so that the mounting portion 21 is mounted on the supporting portion 11 through a locking member to ensure stable connection between the connecting seat 1 and the hinge seat 2.

In this embodiment, in order to facilitate the connection between the connection seat 1 and the hinge seat 2, the supporting portion 11 is formed with a groove 111, and a support column 112 is disposed in the groove 111, meanwhile, a first connection hole 1121 is formed on the support column 112, and when the hinge seat is installed, a second connection hole 22 on the hinge seat 2 is correspondingly formed on the first connection hole 1121, and then the hinge seat 2 is installed on the supporting portion 11 through a locking member. Simultaneously, the locking piece can also pass through the hinge seat 2 and the supporting part 11 in sequence and finally be locked in the positioning groove 20a, so that the hinge seat 2 is directly installed on the connecting seat 1, and meanwhile, the connecting seat 1 is stably installed in the positioning groove 20 a.

Referring to fig. 2, in an alternative embodiment, a plurality of support columns 112 are provided, the plurality of support columns 112 are arranged in the groove 111 at intervals, and each support column 112 is provided with a first connecting hole 1121;

the second connecting holes 22 are provided in plurality, the plurality of second connecting holes 22 are arranged on the mounting portion 21 at intervals, each first connecting hole 1121 corresponds to each second connecting hole 22, and the tight connection between the cabinet plate 202 and the cabinet door 201 can be ensured by arranging the plurality of first connecting holes 1121 and the plurality of second connecting holes 22, and each first connecting hole 1121 corresponds to each second connecting hole 22, so that the connection between the connecting seat 1 and the hinge seat 2 is more stable and reliable.

In this embodiment, in order to ensure the connection stability between the connection base 1 and the hinge base 2, the support columns 112 are provided with a plurality of first connection holes 1121 and a plurality of second connection holes 22 are provided on each support column 112, and each first connection hole 1121 corresponds to each second connection hole 22, so that the locking member can smoothly lock the hinge base 2 on the connection base 1, thereby further improving the connection stability between the connection base 1 and the hinge base 2.

It should be understood that, since the first connecting hole 1121 is provided in plurality, the connecting seat 1 may also pass through the first connecting hole 1121 by the locking member to lock the supporting portion 11 in the positioning groove 20 a.

Referring to fig. 1 to 4, the present utility model further proposes a combined cabinet 20, wherein the combined cabinet 20 includes a cabinet door 201, a cabinet plate 202, and the cabinet door 201 connecting device 10 according to any one of the above, and the cabinet door 201 is hinged to the cabinet plate 202 through the cabinet door 201 connecting device 10. Since the specific structure of the cabinet door 201 connecting device 10 in the combined cabinet 20 refers to the above embodiment, at least the technical solution of the above embodiment has all the beneficial effects, which are not described in detail herein.

Referring to fig. 3 and fig. 4, in an alternative embodiment, both the cabinet door 201 and the cabinet plate 202 are provided with positioning slots 20a, and one side wall of the positioning slot 20a is provided with a limiting slot 20b;

the connecting seat 1 further comprises a limiting part 12, the limiting part 12 is arranged on the outer side wall of the supporting part 11, the limiting part 12 is used for being embedded into the limiting groove 20b, so that the connecting seat 1 is limited in the positioning groove 20a, the supporting part 11 is used for being installed in the positioning groove 20a, the positioning groove 20a is formed in the cabinet door 201 and the cabinet plate 202, the connecting seat 1 is conveniently and stably installed on the cabinet plate 202 and the cabinet door 201, and stable installation between the hinge seat 2 and the cabinet door 201 and stable installation between the hinge seat and the cabinet plate 202 are further ensured.

In this embodiment, in order to facilitate embedding the connection seat 1 in the cabinet board 202 and the cabinet door 201, the cabinet board 202 and the cabinet door 201 are respectively provided with the positioning groove 20a, so that the connection seat 1 can be stably placed in the positioning groove 20a, wherein a side wall of the positioning groove 20a is provided with the limiting groove 20b, the connection seat 1 comprises the limiting portion 12, the limiting portion 12 is arranged on an outer side wall of the supporting portion 11, the limiting portion 12 is embedded in the limiting groove 20b, so that the connection seat 1 is limited in the positioning groove 20a, the connection seat 1 is stably installed in the positioning groove 20a, displacement of the connection seat 1 in the positioning groove 20a is avoided, the follow-up occurrence of inaccurate installation and positioning between the connection seat 1 and the hinge seat 2 is caused, and the occurrence of matching connection dislocation between the hinge seat 2 and the cabinet door 201 and the cabinet board 202 is further caused.

Specifically, in order to further stably mount the connection socket 1 in the positioning groove 20a, the connection socket 1 further includes a supporting portion 11, the supporting portion 11 is disposed in the positioning groove 20a, when the limiting portion 12 is defined in the limiting groove 20b, the supporting portion 11 may be further locked in the positioning groove 20a by a locking member, so that the connection socket 1 may be firmly mounted in the positioning groove 20a, thereby ensuring stable mounting between the connection socket 1 and the hinge socket 2, and it is to be understood that the opening size of the positioning groove 20a is larger than the overall size of the connection socket 1, so that the connection socket 1 can be smoothly defined in the positioning groove 20 a. Meanwhile, the shape of the positioning groove 20a is square, for example, cuboid or cube, so that the shape of the supporting portion 11 is also square, of course, the shapes of the positioning groove 20a and the supporting portion 11 may be other shapes, which are not limited herein, and only the mutual adaptation between the positioning groove 20a and the supporting portion 11 needs to be ensured, so as to ensure that the supporting portion 11 can be stably placed in the positioning groove 20 a.

It is to be understood that the connection base 1 is of an integrally formed structure, and thus, structural strength and structural stability are ensured.

Referring to fig. 2, in an alternative embodiment, the limiting portion 12 has a connecting section 121 and a first blocking edge 122, one end of the connecting section 121 is connected to the supporting portion 11, and the first blocking edge 122 is disposed at the other end of the connecting section 121;

a second blocking edge 203 is convexly arranged on one side wall of the limiting groove 20b, when the limiting part 12 is inserted into the limiting groove 20b, the first blocking edge 122 is abutted against the second blocking edge 203 so as to limit the limiting part 12 in the limiting groove 20b, and the limiting part 12 and the limiting groove 20b are mutually matched through the first blocking edge 122 and the second blocking edge 203, so that the limiting part 12 can be stably limited in the limiting groove 20b, and further the connecting seat 1 is prevented from shifting in the positioning groove 20 a.

In this embodiment, in order to prevent the connection seat 1 from shifting in the positioning groove 20a, the limiting portion 12 includes a connection section 121 and a first blocking edge 122, and a side wall of the limiting groove 20b is convexly provided with a second blocking edge 203, so when the limiting portion 12 is inserted into the limiting groove 20b, the first blocking edge 122 abuts against the second blocking edge 203, so as to limit the displacement of the limiting portion 12 in the width direction of the supporting portion 11, and further ensure that the connection seat 1 is stably placed in the positioning groove 20 a.

It should be noted that, the limiting portion 12 is an integrally formed structure, so that structural strength and structural stability are ensured.

Referring to fig. 2 and 4, in an alternative embodiment, the first blocking edge 122 is provided with a first protruding structure 1221, and the first protruding structure 1221 protrudes toward the supporting portion 11;

the second blocking edge 203 is provided with a second protruding structure 204, the second protruding structure 204 protrudes towards a direction away from the positioning groove 20a, the second protruding structure 204 is abutted against the first protruding structure 1221 so as to limit the limiting portion 12 in an extending direction perpendicular to the first blocking edge 122, and the limiting portion 12 is effectively limited to be displaced in a width direction of the supporting portion 11 through the mutual cooperation between the first protruding structure 1221 and the second protruding structure 204.

In this embodiment, the first blocking edge 122 is provided with a first protruding structure 1221, and the first protruding structure 1221 protrudes toward the supporting portion 11, so when the limiting portion 12 is inserted into the limiting groove 20b, the second blocking edge 203 in the limiting groove 20b is defined between the first protruding structure 1221 and the outer sidewall of the supporting portion 11, and further limiting of the limiting portion 12 in the limiting groove 20b can be achieved, so as to prevent the connecting seat 1 from shifting in the positioning groove 20 a.

Specifically, in order to further facilitate the cooperation between the first blocking edge 122 and the second blocking edge 203, a second protrusion structure 204 is provided on the second blocking edge 203, and the second protrusion structure 204 is protruded in a direction away from the positioning slot 20a, so that the first protrusion structure 1221 and the second protrusion structure 204 cooperate with each other, thereby further preventing the displacement in the positioning slot 20a of the connecting seat 1, and ensuring the connection stability between the connecting seat 1 and the hinge seat 2.

It should be noted that the first protruding structure 1221 and the second protruding structure 204 are both circular arc-shaped.

Referring to fig. 2, in an alternative embodiment, at least two first protruding structures 1221 are provided, and the at least two first protruding structures 1221 are arranged at intervals on the first blocking edge 122;

the second protrusion structure 204 extends along the extending direction of the first blocking edge 122, and abuts against the two first protrusion structures 1221 at two ends, and the plurality of first protrusion structures 1221 are matched with the second protrusion structure 204 to improve the matching stability between the first protrusion structures 1221 and the second protrusion structures 204.

In this embodiment, the first protruding structures 1221 are provided with at least two, and at least two first protruding structures 1221 are arranged on the first blocking edge 122 at intervals, and meanwhile, the second protruding structures 204 are arranged along the extending direction of the first blocking edge 122 in an extending manner, so as to improve the connection stability between the first protruding structures 1221 and the second protruding structures 204. Meanwhile, in the present embodiment, two first protruding structures 1221 are provided, and the two first protruding structures 1221 are respectively disposed at two ends of the first blocking edge 122 and respectively abut against the second protruding structures 204, so as to define the limiting portion 12 in the limiting groove 20 b. Of course, the first protrusion structure 1221 may be provided with three or more, and the specific number is not limited herein.

Referring to fig. 2, in an alternative embodiment, a connection end surface 122a is formed at the connection position between the connection section 121 and the first blocking edge 122;

the connecting seat 1 further comprises an extension section 123, the extension section 123 is convexly arranged on the connecting end face 122a of the limiting portion 12, one end of the extension section 123 is connected to an outer side wall of the supporting portion 11, the other end of the extension section 123 is connected to the first blocking edge 122, in the direction perpendicular to the connecting end face 122a, the height of the extension section 123 is lower than that of the first blocking edge 122, and then the limiting portion 12 can be stably clamped in the limiting groove 20 b.

In this embodiment, the connection seat 1 further includes an extension section 123, and one end of the extension section 123 is connected to an outer sidewall of the supporting portion 11, and the other end of the extension section 123 is connected to the first blocking edge 122, so that the structural strength of the first blocking edge 122 is convenient to be enhanced, and the connection between the limiting portion 12 and the limiting groove 20b is further ensured. Meanwhile, in the direction perpendicular to the connection end face 122a, the height of the extension 123 is lower than the height of the first blocking edge 122, and the connection between the limiting portion 12 and the limiting groove 20b is not affected.

Referring to fig. 2, in an alternative embodiment, the outer side of the connecting section 121 is in a circular arc shape, so that the limiting portion 12 is conveniently inserted into the limiting groove 20b for pinching, and the operation is simple and convenient.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The utility model provides a cabinet door connecting device, is applied to the sectional cabinet, the sectional cabinet includes articulated cabinet door and cabinet board, its characterized in that, cabinet door connecting device includes:

2. The cabinet door coupling device according to claim 1, wherein the support portion is formed with a groove, a support column is provided in the groove, and the support column is provided with the first coupling hole, so that the mounting portion is mounted on the support portion through the locking member.

3. The cabinet door connecting device according to claim 2, wherein a plurality of support columns are arranged in the groove at intervals, and each support column is provided with the first connecting hole;

4. A combination sideboard comprising a sideboard, a sideboard and a sideboard connecting means according to any one of claims 1-3, wherein the sideboard is hinged to the sideboard by means of the sideboard connecting means.

5. The combination sideboard of claim 4, wherein the cabinet door and the cabinet plate are provided with positioning grooves, and a side wall of each positioning groove is provided with a limiting groove;

6. The combination sideboard of claim 5, wherein the limit portion has a connection section and a first blocking edge, one end of the connection section is connected to the support portion, and the first blocking edge is disposed at the other end of the connection section;

7. The combination sideboard of claim 6, wherein the first flange is provided with a first protruding structure protruding toward the support portion;

8. The combination sideboard of claim 7, wherein at least two of said first protrusion structures are provided, and at least two of said first protrusion structures are spaced apart from said first stop edge;

9. The combination sideboard of claim 7, wherein a connection end surface is formed at the connection of the connection section and the first stop edge;

10. The combination sideboard of claim 8, wherein the outer side of the connecting section is circular arc shaped.