CN214386866U

CN214386866U - Sofa tea table back structure and sofa tea table

Info

Publication number: CN214386866U
Application number: CN202023137660.4U
Authority: CN
Inventors: 杨锦章; 吴乐乐; 张艳召; 陈少彬; 张军明
Original assignee: Man Wah Furniture Manufacturing Huizhou Co Ltd
Current assignee: Man Wah Furniture Manufacturing Huizhou Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-15
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a backrest structure of a sofa tea table, which comprises a backrest plate body, wherein the backrest plate body is a hollow blow molding structure with a right trapezoid-shaped cross section; the front plate surface of the back rest plate body is an inclined surface, the rear plate surface is a vertical surface, a first concave cavity perpendicular to the front plate surface is arranged on the front plate surface of the back rest plate body, and the depth of the first concave cavity is one half of the maximum thickness of the back rest plate body; the upper end of the bottom surface of the first concave cavity is flush with the rear plate surface of the back board body, and the lower end of the bottom surface of the first concave cavity is provided with a through hole penetrating through the rear plate surface of the back board body. Therefore, the first concave cavity with the depth being one half of the maximum thickness of the backboard body is arranged, so that the die can be vertically split at the middle position, and a product with uniform wall thickness is obtained. In addition, the upper end of the bottom surface of the first concave cavity is flush with the rear plate surface, and the lower end of the bottom surface is provided with a through hole penetrating through the rear plate surface of the backboard, so that the supporting strength of the rear plate surface is enhanced, and the rear plate surface is guaranteed to be a vertical flat surface.

Description

Sofa tea table back structure and sofa tea table

Technical Field

The utility model relates to a sofa field, concretely relates to sofa tea table back structure.

Background

The existing sofa tea table backrest is generally made of wood frames or metal pieces, so that the sofa tea table backrest is heavy in weight, high in cost, labor-consuming, troublesome to assemble, unreasonable in structural design and high in limitation.

As the blow molding process matures, more and more products are produced using the blow molding process. Because the upper end side wall of the back board of the sofa tea table is thinner and the lower end side wall is thicker, if the back board is manufactured by adopting a blow molding process, the local thickness of the product is easily larger when the back board is demoulded. In addition, in the blow molding process, because the rear plate surface of the back plate is not supported, the rear plate surface is easy to shrink, indent and the like, and the vertical flat surface cannot be ensured.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a sofa tea table backrest structure and a sofa tea table.

The utility model discloses a solve the technical scheme that its problem adopted and be:

the backrest structure of the sofa tea table comprises a backrest plate body, wherein the backrest plate body is a hollow blow molding structure with a right-angled trapezoid-shaped cross section; the front plate surface of the back plate body is an inclined surface, the rear plate surface of the back plate body is a vertical surface, a first concave cavity perpendicular to the front plate surface is arranged on the front plate surface of the back plate body, and the depth of the first concave cavity is one half of the maximum thickness of the back plate body; the upper end of the bottom surface of the first concave cavity is flush with the rear plate surface of the back board body; the lower end of the bottom surface of the first concave cavity is provided with a through hole penetrating through the back plate body.

The utility model discloses a back structure is the first cavity of the maximum thickness half of back board body through setting up the degree of depth for the mould can divide the mould from top to bottom at the intermediate position, thereby obtains the product of even wall thickness. In addition, the upper end of the bottom surface of the first concave cavity is flush with the back board rear board surface, and the lower end of the bottom surface of the first concave cavity is provided with a through hole penetrating through the back board rear board surface, so that the supporting strength of the rear board surface is enhanced, the shrinkage and the inward recess phenomena are avoided, and the rear board surface is guaranteed to be a vertical flat surface.

Furthermore, a plurality of first reinforcing ribs are arranged in the first cavity and are arranged at intervals along the height direction of the first cavity.

Further, the first reinforcing rib extends along the length direction of the first cavity.

Furthermore, a plurality of second reinforcing ribs are arranged between the first reinforcing rib close to the top wall of the first cavity and the top wall of the first cavity, and the second reinforcing ribs are arranged at intervals along the length direction of the first cavity.

Further, a plurality of the second reinforcing ribs extend in the height direction of the first cavity.

Furthermore, a plurality of first mounting holes for mounting the sofa cover are formed in the bottom surface of the first concave cavity of the backrest plate body at intervals.

Furthermore, the left side and the right side of the back board body are respectively provided with a plurality of second mounting holes for mounting the plug connectors, and nuts are pre-buried in the second mounting holes.

Furthermore, the left and right sides face of back board body is equipped with the second cavity respectively, and is a plurality of the second mounting hole all sets up in the second cavity.

Further, the inner diameter of the through hole gradually increases toward the direction close to the back plate body rear plate surface.

In addition, the second aspect of the utility model also provides a sofa tea table, which comprises the backrest structure.

To sum up, the utility model discloses a sofa tea table back structure and sofa tea table is the first cavity of the maximum thickness half of back board body through setting up the degree of depth for the mould can be gone on at the intermediate position and is divided the mould from top to bottom, thereby obtains the product of even wall thickness. In addition, the upper end of the bottom surface of the first concave cavity is flush with the back board rear board surface, and the lower end of the bottom surface of the first concave cavity is provided with a through hole penetrating through the back board rear board surface, so that the supporting strength of the rear board surface is enhanced, the shrinkage and the inward recess phenomena are avoided, and the rear board surface is guaranteed to be a vertical flat surface.

Drawings

FIG. 1 is a schematic structural view of the backrest structure of the sofa tea table of the present invention;

fig. 2 is a schematic view of the internal structure of the backrest structure of the sofa tea table of the present invention.

Wherein the reference numerals have the following meanings:

1. a back board body; 11. a front panel surface; 12. a rear panel surface; 2. a first cavity; 3. a through hole; 4. a first reinforcing rib; 5. a second reinforcing rib; 6. a first mounting hole; 7. a second mounting hole; 8. a second cavity.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1-2, the utility model provides a backrest structure of a sofa tea table, which comprises a backrest plate body 1, wherein the backrest plate body 1 is a hollow blow molding structure with a right-angled trapezoid-shaped cross section; the front plate surface 11 of the back rest plate body 1 is an inclined surface, the rear plate surface 12 is a vertical surface, the upper plate surface and the lower plate surface are horizontal surfaces, and the width of the upper plate surface is smaller than that of the lower plate surface.

Specifically, a first concave cavity 2 perpendicular to the front plate surface 11 is arranged on the front plate surface 11 of the back plate body 1, and the concave depth of the first concave cavity 2 is one half of the maximum thickness of the back plate body 1; the cross section of the first concave cavity 2 is in an inverted trapezoid shape; the upper end of the bottom surface of the first concave cavity 2 is flush with the back plate surface 12 of the back plate body 1, and the lower end of the bottom surface of the first concave cavity 2 is provided with a through hole 3 penetrating through the back plate surface 12 of the back plate body 1.

In the present embodiment, the inner diameter of the through hole 3 gradually increases toward the rear plate surface 12 of the back plate body 1, and the cross section thereof is substantially trumpet-shaped.

Therefore, the first concave cavity 2 with the depth being one half of the maximum thickness of the backboard body 1 is arranged, so that the die can be vertically split at the middle position, and a product with uniform wall thickness is obtained. In addition, the upper end of the bottom surface of the first cavity 2 is flush with the rear plate surface 12 of the backboard body 1, and the lower end of the bottom surface of the first cavity 2 is provided with the through hole 3 penetrating through the rear plate surface 12 of the backboard body 1, so that the supporting strength of the rear plate surface 12 is enhanced, the shrinkage and the indent phenomena are avoided, and the rear plate surface 12 is ensured to be a vertical flat surface.

Referring to fig. 1-2, a plurality of first reinforcing ribs 4 are disposed in the first cavity 2 of the back board body 1, and the plurality of first reinforcing ribs 4 are spaced apart from each other along the height direction of the first cavity 2. The first reinforcing rib 4 extends along the length direction of the first concave cavity 2 until two ends of the first reinforcing rib are respectively attached to two side walls of the first concave cavity 2; a plurality of second reinforcing ribs 5 are arranged between the first reinforcing rib 4 close to the top wall of the first cavity 2 and the top wall of the first cavity 2, and the second reinforcing ribs 5 are arranged at intervals along the length direction of the first cavity 2. The second rib 5 extends in the height direction of the first cavity 2 until one end thereof is attached to the top wall of the first cavity 2 and the other end is attached to the first rib 4.

Therefore, the first reinforcing ribs 4 and the second reinforcing ribs 5 which are arranged in a transversely and longitudinally staggered mode are arranged, so that the supporting strength of the back board body 1 is greatly improved.

In this embodiment, there are four first reinforcing ribs 4, so that four grooves are formed in the first cavity 2, and a plurality of second reinforcing ribs 5 are all arranged in the groove closest to the top wall of the first cavity 2; the through holes 3 are two and are respectively arranged in two grooves close to the bottom wall of the first cavity 2.

In addition, a plurality of first mounting holes 6 for mounting the sofa cover are arranged on the bottom surface of the first concave cavity 2 of the back board body 1 at intervals.

In this embodiment, the first mounting holes 6 are spaced apart in recesses other than the recess closest to the top wall of the first cavity 2.

Referring to fig. 1-2, the back board body 1 is provided with second cavities 8 on the left and right sides of the board, the second cavities 8 are provided with second mounting holes 7 for mounting connectors, and nuts are embedded in the second mounting holes 7.

Therefore, the screw penetrates through the through hole of the plug connector and is in threaded connection with the nut in the second mounting hole 7, and therefore the plug connector can be quickly assembled.

In addition, the utility model also provides a sofa tea table with this back structure.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The backrest structure of the sofa tea table is characterized by comprising a backrest plate body (1), wherein the backrest plate body (1) is of a hollow blow molding structure with a right-angled trapezoid-shaped cross section; the front plate surface (11) of the backrest plate body (1) is an inclined surface, the rear plate surface (12) is a vertical surface, a first concave cavity (2) perpendicular to the front plate surface (11) is formed in the front plate surface (11) of the backrest plate body (1), and the depth of the first concave cavity (2) is one half of the maximum thickness of the backrest plate body (1); the back board is characterized in that the upper end of the bottom surface of the first cavity (2) is flush with the back board surface (12) of the back board body (1), and the lower end of the bottom surface of the first cavity (2) is provided with a through hole (3) penetrating through the back board surface (12) of the back board body (1).

2. The backrest structure of claim 1, characterized in that a plurality of first reinforcing ribs (4) are arranged in the first cavity (2), and the plurality of first reinforcing ribs (4) are arranged at intervals along the height direction of the first cavity (2).

3. The backrest structure of claim 2, characterized in that said first reinforcement rib (4) extends along the length of the first cavity (2).

4. A backrest structure as claimed in claim 3, characterized in that a plurality of second ribs (5) are provided between the first rib (4) adjacent to the top wall of said first cavity (2) and the top wall of said first cavity (2), said second ribs (5) being spaced apart along the length of the first cavity (2).

5. The backrest structure of claim 4, characterized in that a plurality of said second ribs (5) extend in the height direction of said first cavity (2).

6. The backrest structure of claim 1, characterized in that the bottom surface of the first cavity (2) of the backrest plate body (1) is further provided with a plurality of first mounting holes (6) at intervals for mounting sofa covers.

7. The backrest structure of claim 1, wherein the left and right side plate surfaces of the backrest plate body (1) are respectively provided with a plurality of second mounting holes (7) for mounting plug connectors, and nuts are embedded in the second mounting holes (7).

8. The backrest structure of claim 7, wherein the left and right side plate surfaces of the backrest plate body (1) are respectively provided with a second cavity (8), and a plurality of second mounting holes (7) are arranged in the second cavities (8).

9. The backrest structure of claim 1, wherein the inner diameter of the through hole (3) is gradually increased toward the rear plate surface (12) of the backrest plate body (1).

10. Sofa tea table, comprising a backrest structure according to any of claims 1-9.