An assembly structure of a drawer

Abstract

An assembly structure of a drawer, comprising a side plate and a back plate, the rear end of the side plate is provided with a rear connecting piece, the two ends of the back plate are respectively provided with an assembly piece, a positioning rotating fitting part, a positioning buckling fitting part and a positioning locking fitting part are arranged between the rear connecting piece and the assembly piece, the side plate and the back plate are positioned and rotatingly fitted through the positioning rotating fitting part, when positioned and rotatingly fitted, the rear connecting piece and the assembly piece are buckled to each other through the positioning buckling fitting part, and the assembly piece is positioned and locked on the rear connecting piece through the positioning locking fitting part, so as to realize the fixed connection of the side plate and the back plate. Through the arrangement of the positioning rotating fitting part, the positioning buckling fitting part and the positioning locking fitting part between the rear connecting piece and the assembly piece, the connection of the side plate and the back plate will not be loose through the connection of the positioning buckling fitting part and the locking of the positioning locking fitting part, in addition, the connection of the side plate and the back plate does not need to use screws, and the material cost is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of furniture, in particular to an assembly structure of a drawer. BACKGROUND

[0002] Chinese patent document No. CN110192731A discloses a universal connecting structure for the back plate of a furniture drawer. The furniture drawer comprises at least a side plate and a back plate. The rear end of the side plate is provided with a rear connecting piece. The rear connecting piece is provided with a rear connecting fastening part. The end of the back plate is integrally formed or separately provided with a back plate fastening part. The back plate is fixedly arranged on the rear connecting fastening part of the rear connecting piece by means of a fastener arranged on the back plate fastening part, so as to realize the fixed connection of the side plate and the back plate. The drawer is connected by means of the rear connecting piece arranged at the rear end of the side plate and the back plate fastening part arranged at the end of the back plate. The rear connecting piece and the back plate fastening part are connected by means of a screw, so as to realize the connection of the side plate and the back plate. However, the screw connection is high in material cost and inconvenient to disassemble and assemble. In addition, the screw is prone to rust after a long time, so that the connection of the side plate and the back plate is prone to loosening.

[0003] Therefore, it is necessary to make further improvement. SUMMARY

[0004] The present application aims to provide an assembly structure of a drawer, which is simple in structure, low in cost, convenient to disassemble and assemble, firm in connection and high in practicability, so as to overcome the defects in the prior art.

[0005] An assembly structure of a drawer designed according to the purpose comprises a side plate and a back plate. The rear end of the side plate is provided with a rear connecting piece. The two ends of the back plate are respectively provided with an assembly piece. The rear connecting piece and the assembly piece are provided with a positioning rotary cooperation part, a positioning buckling cooperation part and a positioning locking cooperation part. The side plate and the back plate are positioned and rotary cooperated through the positioning rotary cooperation part. When the positioning rotary cooperation part is positioned and rotary cooperated, the rear connecting piece and the assembly piece are buckled to each other through the positioning buckling cooperation part. The assembly piece is positioned and locked on the rear connecting piece through the positioning locking cooperation part, so as to realize the fixed connection of the side plate and the back plate.

[0006] The positioning rotary cooperation part comprises a rotary part arranged on the assembly piece and a rotary cooperation part arranged on the rear connecting piece. The rotary part and the rotary cooperation part are positioned and rotary cooperated. The assembly piece is positioned and arranged on the rotary cooperation part of the rear connecting piece through the rotary part.

[0007] The rotary part is T-shaped. One end of the rotary part is provided with a first positioning part. The first positioning part is provided with a first positioning surface. The assembly piece is provided with a second positioning surface. The front and rear sides of the rear connecting piece are respectively provided with third positioning surfaces. The assembly piece is positioned on the rear connecting piece through the cooperation of the first positioning surface, the second positioning surface and the third positioning surfaces.

[0008] The rotating fitting part is in U shape, and the rotating part on the assembling piece is positioned and inserted into the rotating fitting part of the rear connecting piece through the U-shaped opening.

[0009] The positioning buckle fitting part comprises a buckle part arranged on the assembling piece and a buckle fitting part arranged on the rear connecting piece, the buckle part and the buckle fitting part are buckled with each other, and the assembling piece is positioned and arranged on the buckle fitting part of the rear connecting piece through the buckle part.

[0010] The buckle part is in T shape, one end of the buckle part is provided with a second positioning part, the second positioning part is provided with a fourth positioning surface, the assembling piece is provided with a fifth positioning surface, the front and rear sides of the rear connecting piece are respectively provided with a sixth positioning surface, and the assembling piece is positioned and arranged on the rear connecting piece through cooperation of the fourth positioning surface, the fifth positioning surface and the sixth positioning surface.

[0011] The positioning locking fitting part comprises a locking part arranged on the assembling piece and a locking fitting part arranged on the rear connecting piece, and the assembling piece is positioned and locked on the locking fitting part of the rear connecting piece through the locking part.

[0012] The assembling piece is provided with an elastic positioning action part extending outward on one side, the locking part is arranged on the elastic positioning action part, the elastic positioning action part is provided with a seventh positioning surface, the rear side of the rear connecting piece is provided with an eighth positioning surface, the assembling piece is limited on the eighth positioning surface of the rear connecting piece through the seventh positioning surface, and the locking part is driven to be separated from the locking fitting part of the rear connecting piece when the elastic positioning action part moves forward, so that the rear backboard is disassembled on the side plate.

[0013] The two ends of the rear backboard are respectively fixedly provided with connecting fitting pieces, and a fixing part is arranged between the connecting fitting pieces and the assembling piece, the fixing part is provided with a fastener, so that the assembling piece is fixedly arranged on the connecting fitting pieces, and the assembling piece is fixedly arranged on the two ends of the rear backboard through the connecting fitting pieces.

[0014] The side plate is provided with a front connecting piece at the front end, and the side plate is connected with the front panel through the front connecting piece; a groove part is arranged on the inner side of the side plate; a supporting part is arranged on the rear backboard; and a bottom plate is positioned and arranged on the groove part, and at least part of the bottom plate is supported on the supporting part.

[0015] The present application sets positioning rotating fitting part, positioning buckling fitting part and positioning locking fitting part between rear connecting piece and assembling piece, when side plate and back plate are installed, back plate rotates on side plate through positioning rotating fitting part, after rotating certain angle, rear connecting piece and assembling piece are buckled with each other through positioning buckling fitting part, and assembling piece is positioned and locked on rear connecting piece through positioning locking fitting part, so that side plate and back plate are connected firmly together, through connection of positioning buckling fitting part and locking of positioning locking fitting part, connection of side plate and back plate will not be loose; in addition, connection of side plate and back plate does not need to use screw, material cost is low, and dismounting steps are less, mainly rotating back plate, so that dismounting is very convenient, and connection loose problem caused by screw rust can also be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is exploded structural schematic view of drawer in an embodiment of the present application.

[0017] Figure 2 It is overall structural schematic view of drawer in an embodiment of the present application.

[0018] Figures 3-5 It is assembling process schematic view of side plate and back plate in an embodiment of the present application.

[0019] Figure 6 It is assembling structure sectional view of side plate and back plate in an embodiment of the present application.

[0020] Figures 7-9 It is overall structural schematic view of assembling piece in different direction in an embodiment of the present application.

[0021] Figure 10 It is overall structural schematic view of rear connecting piece in an embodiment of the present application.

[0022] Figure 11 It is overall structural schematic view of rear connecting piece in another direction in an embodiment of the present application.

[0023] Figure 12 It is exploded structural schematic view of drawer in another direction in an embodiment of the present application.

[0024] Figure 13 It is overall structural schematic view of back plate in an embodiment of the present application. DETAILED DESCRIPTION

[0025] The present application will be further described below in combination with the drawings and embodiments.

[0026] Reference Figures 1-13The assembling structure of the drawer comprises a side plate 1 and a back plate 2, the rear end of the side plate 1 is provided with a rear connecting piece 3, the left and right ends of the back plate 2 are respectively provided with assembling pieces 4, the rear connecting piece 3 and the assembling piece 4 are provided with a positioning rotary matching part, a positioning buckling matching part and a positioning locking matching part, the side plate 1 and the back plate 2 are positioned and rotary matched through the positioning rotary matching part, and when the positioning rotary matching part is matched, the rear connecting piece 3 and the assembling piece 4 are buckled to each other through the positioning buckling matching part, and the assembling piece 4 is positioned and locked on the rear connecting piece 3 through the positioning locking matching part, so as to realize the fixed connection of the side plate 1 and the back plate 2.

[0027] The positioning rotary matching part comprises a rotary part 5 arranged on the upper end of the assembling piece 4 and a rotary matching part 6 arranged on the upper end of the rear connecting piece 3, the rotary part 5 and the rotary matching part 6 are positioned and rotary matched, the assembling piece 4 is positioned and arranged on the rotary matching part 6 of the rear connecting piece 3 through the rotary part 5, so as to realize the left and right positioning between the back plate 2 and the side plate 1, the rotary part 5 is a rotary shaft, and the rotary matching part 6 is a rotary groove.

[0028] The rotary part 5 is T-shaped, one end of the rotary part 5 is provided with a first positioning part 7, the first positioning part 7 is provided with a first positioning face 8, the assembling piece 4 is provided with a second positioning face 9, the front and back sides of the rear connecting piece 3 are respectively provided with third positioning faces 10, the assembling piece 4 is positioned and arranged on the rear connecting piece 3 through the cooperation of the first positioning face 8, the second positioning face 9 and the third positioning faces 10, so as to realize the front and back positioning between the back plate 2 and the side plate 1.

[0029] The rotary matching part 6 is U-shaped, the U-shaped opening faces upward, the rotary part 5 of the assembling piece 4 is positioned and inserted into the rotary matching part 6 of the rear connecting piece 3 through the U-shaped opening; when the side plate 1 and the back plate 2 are assembled, the rotary part 5 of the assembling piece 4 is first inserted into the rotary matching part 6 of the rear connecting piece 3, then the back plate 2 is rotated downward, so that the buckling part 11 is buckled into the buckling matching part 12, and the locking part 17 is clamped on the locking matching part 18, and the assembly of the side plate 1 and the back plate 2 is completed.

[0030] The positioning buckling matching part comprises a buckling part 11 arranged on the lower end of the assembling piece 4 and a buckling matching part 12 arranged on the lower end of the rear connecting piece 3, the buckling part 11 and the buckling matching part 12 are buckled to each other, the assembling piece 4 is positioned and arranged on the buckling matching part 12 of the rear connecting piece 3 through the buckling part 11, so as to realize the up and down positioning between the back plate 2 and the side plate 1; the buckling part 11 is a buckle, the buckling matching part 12 is a buckling groove, and the buckle is buckled into the buckling groove.

[0031] The buckle joint part 11 is T-shaped, one end of which is provided with a second positioning part 13, the second positioning part 13 is provided with a fourth positioning surface 14, the assembly part 4 is provided with a fifth positioning surface 15, the front and back of the rear connecting part 3 is respectively provided with a sixth positioning surface 16, the assembly part 4 is positioned on the rear connecting part 3 through the cooperation of the fourth positioning surface 14, the fifth positioning surface 15 and the sixth positioning surface 16, thereby realizing the front and back positioning between the rear back plate 2 and the side plate 1.

[0032] The positioning and locking cooperation part includes a locking part 17 provided on the assembly part 4 and a locking cooperation part 18 provided on the rear connecting part 3, the assembly part 4 is positioned and locked on the locking cooperation part 18 of the rear connecting part 3 through the locking part 17, the locking part 17 is a buckle, the locking cooperation part 18 is a through hole, the buckle is clamped on the side wall of the through hole, specifically, the buckle of the assembly part 4 at the left end of the rear back plate 2 is clamped on the right side wall of the through hole, and the buckle of the assembly part 4 at the right end of the rear back plate 2 is clamped on the left side wall of the through hole, so that the assembly part 4 is positioned and locked on the rear connecting part 3, at this time, the assembly part 4 cannot rotate.

[0033] The assembly part 4 is provided with an elastic positioning part 19 extending outward on one side, the locking part 17 is arranged on the elastic positioning part 19, the elastic positioning part 19 is provided with a seventh positioning surface 20, the rear side of the rear connecting part 3 is provided with an eighth positioning surface 21, the assembly part 4 is limited on the eighth positioning surface 21 of the rear connecting part 3 through the seventh positioning surface 20, when the elastic positioning part 19 moves forward, the locking part 17 is driven to disengage from the locking cooperation part 18 of the rear connecting part 3, so as to realize the disassembly of the rear back plate 2 on the side plate 1; when the side plate 1 and the rear back plate 2 are disassembled, first press the elastic positioning part 19 forward, so that the locking part 17 disengages from the locking cooperation part 18 of the rear connecting part 3, then rotate the rear back plate 2 upward, so that the buckle joint part 11 disengages from the buckle cooperation part 12, then lift the rear back plate 2 upward, so that the rotating part 5 disengages from the rotating cooperation part 6 of the rear connecting part 3, thereby completing the disassembly of the side plate 1 and the rear back plate 2.

[0034] The rear back plate 2 is respectively provided with a connecting cooperation part 22 at both ends, a fixing part 23 is arranged between the connecting cooperation part 22 and the assembly part 4, the fixing part 23 is a fixing hole arranged on the connecting cooperation part 22 and the assembly part 4 respectively, a fastener (screw) 24 is arranged on the fixing part 23, so as to fix the assembly part 4 on the connecting cooperation part 22, and the assembly part 4 is fixed on both ends of the rear back plate 2 through the connecting cooperation part 22.

[0035] The rear connecting part 3 is provided with a first screw hole 30, the assembly part 4 is provided with a second screw hole 31, the rear connecting part 3 and the assembly part 4 can also be assembled through the screw arranged on the first screw hole 30 and the second screw hole 31, but the positioning and rotating cooperation part, the positioning and buckle cooperation part and the positioning and locking cooperation part are preferred to be used for assembly.

[0036] The front plate 25 and the bottom plate 26 are further included, the front end of the side plate 1 is provided with the front connecting piece 27, the side plate 1 is connected with the front plate 25 through the front connecting piece 27, the inner side of the side plate 1 is provided with the groove part 28, the back plate 2 is provided with the supporting part 29, the bottom plate 26 is positioned and arranged on the groove part 28, and the bottom of the bottom plate 26 is at least partially supported on the supporting part 29; the inner side of the side plate 1 is vertically arranged and is provided with the cavity part 32 on it, the rear connecting piece 3 is arranged at the rear end of the cavity part 32, and the front connecting piece 27 is arranged at the front end of the cavity part 32.

[0037] The above is the preferred scheme of the present application, which shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An assembling structure of a drawer, comprising a side plate (1) and a back plate (2), the rear end of the side plate (1) is provided with a rear connecting piece (3), the two ends of the back plate (2) are respectively provided with assembling pieces (4), characterized in that: The positioning rotating fitting part, the positioning buckling fitting part and the positioning locking fitting part are arranged between the rear connecting piece (3) and the assembling piece (4), the side plate (1) and the rear back plate (2) are positioned and rotatingly fitted through the positioning rotating fitting part, and when the positioning rotating fitting part is positioned and rotatingly fitted, the rear connecting piece (3) and the assembling piece (4) are buckled with each other through the positioning buckling fitting part, and the assembling piece (4) is positioned and locked on the rear connecting piece (3) through the positioning locking fitting part, so that the side plate (1) and the rear back plate (2) are fixedly connected; The positioning rotating fitting part comprises a rotating part (5) arranged on the assembling piece (4) and a rotating fitting part (6) arranged on the rear connecting piece (3), the rotating part (5) and the rotating fitting part (6) are positioned and rotatingly fitted, and the assembling piece (4) is positioned and arranged on the rotating fitting part (6) of the rear connecting piece (3) through the rotating part (5); The rotating part (5) is T-shaped, one end of the rotating part (5) is provided with a first positioning part (7), the first positioning part (7) is provided with a first positioning surface (8), the assembling piece (4) is provided with a second positioning surface (9), and the front and rear sides of the rear connecting piece (3) are respectively provided with third positioning surfaces (10), and the assembling piece (4) is positioned on the rear connecting piece (3) through the cooperation of the first positioning surface (8), the second positioning surface (9) and the third positioning surfaces (10) respectively. The side plate (1) is vertically arranged on the inner side and is provided with a cavity part (32) thereon, and the rear connecting piece (3) is arranged at the rear end of the cavity part (32).

2. The assembly structure of a drawer according to claim 1, characterized in that: The rotating fitting part (6) is U-shaped, and the rotating part (5) on the assembling piece (4) is positioned and inserted into the rotating fitting part (6) of the rear connecting piece (3) through the U-shaped opening.

3. The assembly structure of a drawer according to claim 1, characterized in that: The positioning buckling fitting part comprises a buckling part (11) arranged on the assembling piece (4) and a buckling fitting part (12) arranged on the rear connecting piece (3), the buckling part (11) and the buckling fitting part (12) are buckled with each other, and the assembling piece (4) is positioned and arranged on the buckling fitting part (12) of the rear connecting piece (3) through the buckling part (11).

4. The assembly structure of a drawer according to claim 3, characterized in that: The buckling part (11) is T-shaped, one end of the buckling part (11) is provided with a second positioning part (13), the second positioning part (13) is provided with a fourth positioning surface (14), the assembling piece (4) is provided with a fifth positioning surface (15), and the front and rear sides of the rear connecting piece (3) are respectively provided with sixth positioning surfaces (16), and the assembling piece (4) is positioned on the rear connecting piece (3) through the cooperation of the fourth positioning surface (14), the fifth positioning surface (15) and the sixth positioning surfaces (16) respectively.

5. The assembly structure of a drawer according to claim 1, characterized in that: The positioning locking fitting part comprises a locking part (17) arranged on the assembling piece (4) and a locking fitting part (18) arranged on the rear connecting piece (3), and the assembling piece (4) is positioned and locked on the locking fitting part (18) of the rear connecting piece (3) through the locking part (17).

6. The assembly structure of a drawer according to claim 5, characterized in that: The assembly part (4) is provided with an elastic positioning part (19) extending outward on one side, the locking part (17) is arranged on the elastic positioning part (19), the elastic positioning part (19) is provided with a seventh positioning surface (20), the rear connecting part (3) is provided with an eighth positioning surface (21) on the rear side, the assembly part (4) is limited on the eighth positioning surface (21) of the rear connecting part (3) through the seventh positioning surface (20), the elastic positioning part (19) is moved forward to drive the locking part (17) to disengage the locking and matching part (18) of the rear connecting part (3), so as to realize the disassembly and assembly of the rear back plate (2) on the side plate (1).

7. The assembly structure of a drawer according to claim 1, characterized in that: The rear back plate (2) is respectively provided with a connecting and matching part (22) at both ends, a fixing part (23) is arranged between the connecting and matching part (22) and the assembly part (4), a fastener (24) is arranged on the fixing part (23), so that the assembly part (4) is fixedly arranged on the connecting and matching part (22), and the assembly part (4) is fixedly arranged on both ends of the rear back plate (2) through the connecting and matching part (22).

8. The assembly structure of a drawer according to claim 1, characterized in that: It also includes a front panel (25) and a bottom plate (26), the side plate (1) is provided with a front connecting part (27) at the front end, the side plate (1) is connected with the front panel (25) through the front connecting part (27), the side plate (1) is provided with a groove part (28) on the inner side, the rear back plate (2) is provided with a supporting part (29), the bottom plate (26) is positioned on the groove part (28), and the bottom plate (26) is at least partially supported on the supporting part (29).

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