CN214386867U - Sofa backrest structure - Google Patents
Sofa backrest structure Download PDFInfo
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- CN214386867U CN214386867U CN202023196320.9U CN202023196320U CN214386867U CN 214386867 U CN214386867 U CN 214386867U CN 202023196320 U CN202023196320 U CN 202023196320U CN 214386867 U CN214386867 U CN 214386867U
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- back board
- board body
- strip
- sofa backrest
- sofa
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- 238000000071 blow moulding Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a sofa backrest structure, including the back board body, the left and right sides of back board body is provided with respectively and is used for carrying out spacing anti-overturning deformation structure to the side plate structure, and the left and right sides of back board body is still interval arrangement has a plurality of to be used for connecting the via hole of curb plate structure, and the lower extreme of back board body is provided with the face cover and hangs tight hanging strip, and the pointed end that the face cover hung tight hanging strip is provided with the anticreep strip. The device has reasonable structural design, is integrally a blow-molded piece, and has light weight and low cost under the condition of ensuring the strength; the device improves the connection stability with the side plate structure by arranging the anti-overturning deformation structures on the left side and the right side of the back board body respectively and arranging the through holes on the left side and the right side of the back board body; the device prevents the sofa cover from falling off by arranging the cover hanging strip and the anti-falling strip at the lower end of the backrest plate body.
Description
Technical Field
The utility model relates to a sofa field especially relates to a sofa backrest structure.
Background
The sofa is one of soft furniture, can provide comfortable rest positions for people, is popular for people and is widely applied to the household life of people.
The existing sofa backrest is made of a wooden frame or a metal part, so that the weight is large, the cost is high, the labor is wasted, the assembly is troublesome, the structural design is unreasonable, the connection stability with other parts is poor, the anti-falling design of the sofa cover is also lacked, and the limitation is great.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least one of the defects of the prior art, the utility model provides a sofa backrest structure.
The utility model discloses a solve the technical scheme that its problem adopted and be:
the utility model provides a sofa backrest structure, includes the back board body, and the left and right sides of back board body is provided with respectively and is used for carrying out spacing anti-overturning deformation structure to the side plate structure, and the left and right sides of back board body is still interval arrangement has a plurality of to be used for connecting the via hole of curb plate structure, and the lower extreme of back board body is provided with the face cover and hangs tight gib, and the pointed end that the tight gib was hung to the face cover is provided with the anticreep strip.
Furthermore, a plurality of hanging mounting holes are arranged in the middle of the surface of the backrest plate body at intervals.
Furthermore, a plurality of reinforcing blind holes are arranged in the middle of the surface of the back board body at intervals, and the cross sections of the reinforcing blind holes are gradually reduced from the outer side of the back board body to the inner side of the back board body.
Furthermore, the blind holes are transversely and longitudinally arranged to be reinforced by a plurality of, the tightly hanging mounting holes are transversely and longitudinally arranged to be hung by a plurality of, and the tightly hanging mounting holes and the reinforced blind holes are arranged in a staggered mode.
Further, the whole sofa backrest structure is an integrally formed blow-molded piece.
Furthermore, the surface sleeve hanging and hanging strip is arranged along the length direction of the backrest plate body; the anti-drop strip is arranged along the length direction of the face sleeve hanging tight hanging strip, and the cross section of the anti-drop strip is in a water drop shape.
Further, the anti-overturning deformation structure is arranged on the left side and the right side of the upper end of the backrest plate body.
Further, the anti-overturning deformation structure comprises a wedge-shaped concave part and a wedge-shaped convex part, the wedge-shaped convex part is arranged in the inner side direction of the wedge-shaped concave part, the upper end of the side plate structure is arranged in the wedge-shaped concave part, and the inner side of the upper end of the side plate structure is abutted against the outer side of the wedge-shaped convex part.
Furthermore, the upper end of the backrest plate body is also provided with a supporting boss, the supporting boss is arranged between the two anti-overturning deformation structures, and the supporting boss and the two anti-overturning deformation structures form a linear supporting body.
Furthermore, the front surface of the back plate body and the back surface of the back plate body are respectively provided with a front surface depression and a back surface depression which are communicated with the via holes at the positions of the via holes.
To sum up, the utility model provides a sofa backrest structure has following technological effect:
1) the device has reasonable structural design, is integrally a blow-molded piece, and has light weight and low cost under the condition of ensuring the strength;
2) the device has the advantages that the anti-overturning deformation structures are respectively arranged on the left side and the right side of the back board body, and the via holes are arranged on the left side and the right side of the back board body, so that the connection stability of the back board body and the side board structure is improved, and the thickness and the weight of the back board body formed by blow molding can be reduced;
3) the device can effectively prevent the sofa surface cover from falling off by arranging the surface cover hanging tight hanging strip and the anti-falling strip at the lower end of the backrest plate body;
4) the device is convenient for the hanging holes to hang the sofa surface cover and the soft sofa package tightly by arranging the hanging mounting holes in the middle of the surface of the backrest plate body, so that different appearance requirements are realized;
5) the device improves the strength of the back board body by arranging the reinforcing blind hole in the middle of the board surface of the back board body.
Drawings
Fig. 1 is a schematic front structural view of an embodiment of the present invention;
fig. 2 is a schematic back structure diagram of an embodiment of the present invention;
fig. 3 is a schematic side view of an embodiment of the present invention;
fig. 4 is a schematic partial structure diagram of fig. 3 according to an embodiment of the present invention.
Fig. 5 is a schematic view of a usage status of the embodiment of the present invention.
Fig. 6 is a schematic partial structure diagram of fig. 5 according to an embodiment of the present invention.
Wherein the reference numerals have the following meanings:
1-a backboard body, 2-an anti-overturning deformation structure, 21-a wedge-shaped concave part, 22-a wedge-shaped convex part, 3-a through hole, 4-a surface sleeve hanging strip, 5-an anti-falling strip, 6-a hanging mounting hole, 7-a reinforced blind hole, 8-a support boss, 9-a front surface recess and 10-a back surface recess;
a-side plate structure.
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. 1-6, the utility model discloses a sofa backrest structure, which comprises a backrest plate body 1, wherein the left and right sides of the backrest plate body 1 are respectively provided with an anti-overturn deformation structure 2 for limiting the side plate structure, the left and right sides of the backrest plate body 1 are also provided with a plurality of via holes 3 for connecting the side plate structure at intervals, the lower end of the backrest plate body 1 is provided with a face cover hanging strip 4, and the tip of the face cover hanging strip 4 is provided with an anti-falling strip 5; in the traditional process, the back board body 1 is provided with the embedded nut, the device is provided with the through hole 3 on the back board body 1, and the embedded nut is arranged on the matched side board structure, so that the thickness and the weight of the back board body formed by blow molding can be reduced.
In this embodiment, a plurality of hanging mounting holes 6 are further arranged at intervals in the middle of the surface of the back board body 1, and the hanging mounting holes 6 are beneficial to the connection between the back board body 1 and other parts.
In the embodiment, a plurality of reinforcing blind holes 7 are arranged at intervals in the middle of the surface of the back board body 1, and the cross sections of the reinforcing blind holes 7 are gradually reduced from the outer side of the back board body 1 to the inner side of the back board body 1; the whole sofa backrest structure is manufactured by adopting a blow molding process and further has a hollow inner cavity, so that compared with a solid sofa backrest, the sofa backrest structure has the advantages of low weight and less required raw materials, and on the other hand, in order to ensure the strength of the sofa backrest structure, the hardness of the backrest plate body 1 is improved by arranging the reinforcing blind holes 7, and when the backrest plate body 1 is extruded by an external object, the deformation is not easy to occur; the cross section of the reinforced blind hole 7 is gradually reduced from the outer side of the backboard body 1 to the inner side of the backboard body 1, so that a spiral body can be formed in the cavity of the backboard body 1, and the hardness of the backboard body 1 can be further enhanced by the spiral body.
In this embodiment, the plurality of reinforcing blind holes 7 are arranged horizontally and vertically, the plurality of tightly hanging mounting holes 6 are arranged horizontally and vertically, and the tightly hanging mounting holes 6 and the reinforcing blind holes 7 are arranged in a staggered manner, so that the strength of the back plate body 1 can be ensured.
In this embodiment, the whole sofa backrest structure is a blow-molded piece, and compared with a solid sofa backrest, the sofa backrest structure manufactured by the blow-molding process has the advantages of low weight and less required raw materials.
In the embodiment, the surface cover hanging and hanging strip 4 is arranged along the length direction of the back board body 1; the anti-drop strip 5 is arranged along the length direction of the face sleeve hanging strip 4, and the cross section of the anti-drop strip 5 is in a water drop shape; the sofa cover is hung on the backrest plate body 1 and is hung on the cover hanging strip 4 tightly, and the cover hanging strip 4 is matched with the drop-shaped anti-falling strip 5, so that the sofa cover is effectively prevented from falling off.
In this embodiment, the anti-overturn deformation structure 2 is disposed on the left and right sides of the upper end of the backrest plate body 1, which is beneficial to hanging different sizes of supporting components outside the side plate structure, so that different sizes of sofa backrest can be obtained with good flexibility.
In the present embodiment, the anti-overturning deformation structure 2 includes a wedge-shaped concave portion 21 and a wedge-shaped convex portion 22, the wedge-shaped convex portion 22 is disposed in the inner side direction of the wedge-shaped concave portion 21, the upper end of the side plate structure is disposed in the wedge-shaped concave portion 21, and the inner side of the upper end of the side plate structure abuts against the outer side of the wedge-shaped convex portion 22; the anti-overturning deformation structure 2 plays a limiting role in the side plate structure.
In this embodiment, the upper end of the backboard body 1 is further provided with a supporting boss 8, the supporting boss 8 is arranged between the two anti-overturning deformation structures 2, and the supporting boss 8 and the two anti-overturning deformation structures 2 form a linear supporting body; the supporting boss 8 plays a supporting role for the sofa surface sleeve, in order to reduce the use of raw materials and the whole weight, the thickness of the backrest plate body 1 is very thin, the thickness of the supporting boss 8 is larger than that of the backrest plate body 1, and the supporting boss 8 can ensure that the whole sofa backrest structure has a certain thickness.
In this embodiment, the front surface of the back board body and the back surface of the back board body are respectively provided with a front surface recess 9 and a back surface recess 10 at the positions of the via holes, the front surface recess 9 is used for matching with a limiting protrusion on the side board structure, the front surface recess 9 plays a limiting role, and the back surface recess is used for accommodating a bolt connected with the side board structure to avoid the bolt protruding.
The utility model discloses an installation as follows: the two side plate structures are respectively arranged at the left side and the right side of the backrest plate body 1, the upper ends of the side plate structures are arranged in the wedge-shaped concave part 21, and the inner sides of the upper ends of the side plate structures abut against the outer sides of the wedge-shaped convex part 22, so that the positioning of the side plate structures is completed; the locking screw penetrates through the through hole 3 and is in threaded connection with a first embedded nut on the side plate structure, and therefore the backrest plate body 1 is connected with the side plate 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 (10)
1. A sofa backrest structure is characterized in that: including back board body (1), both sides are provided with respectively about back board body (1) and are used for carrying on spacing anti-overturning deformation structure (2) to the curb plate structure, both sides still interval arrangement has a plurality of via hole (3) that are used for connecting the curb plate structure about back board body (1), the lower extreme of back board body (1) is provided with the face cover and hangs tight hanging strip (4), the pointed end that the face cover hung tight hanging strip (4) is provided with anticreep strip (5).
2. The sofa backrest structure according to claim 1, wherein: the middle part of the surface of the backrest plate body (1) is also provided with a plurality of hanging mounting holes (6) at intervals.
3. The sofa backrest structure according to claim 2, wherein: the middle part of the surface of the backrest plate body (1) is provided with a plurality of reinforced blind holes (7) at intervals, and the cross section of each reinforced blind hole (7) is gradually reduced from the outer side of the backrest plate body (1) to the inner side of the backrest plate body (1).
4. The sofa backrest structure according to claim 3, wherein: the reinforced blind holes (7) are transversely and longitudinally arranged, the hanging mounting holes (6) are transversely and longitudinally arranged, and the hanging mounting holes (6) and the reinforced blind holes (7) are arranged in a staggered mode.
5. The sofa backrest structure according to claim 1, wherein: the whole sofa backrest structure is an integrally formed blow molding piece.
6. The sofa backrest structure according to claim 1, wherein: the surface sleeve hanging strip (4) is arranged along the length direction of the backrest plate body (1); the anti-drop strip (5) is arranged along the length direction of the surface sleeve hanging tight hanging strip (4), and the cross section of the anti-drop strip (5) is in a water drop shape.
7. The sofa backrest structure according to claim 1, wherein: the anti-overturning deformation structure (2) is arranged on the left side and the right side of the upper end of the backrest plate body (1).
8. The sofa backrest structure according to claim 1, wherein: the anti-overturning deformation structure (2) comprises a wedge-shaped concave part (21) and a wedge-shaped convex part (22), the wedge-shaped convex part (22) is arranged in the inner side direction of the wedge-shaped concave part (21), the upper end of the side plate structure is arranged in the wedge-shaped concave part (21), and the inner side of the upper end of the side plate structure is abutted against the outer side of the wedge-shaped convex part (22).
9. The sofa backrest structure according to claim 1, wherein: the upper end of the backboard body (1) is further provided with a supporting boss (8), the supporting boss (8) is arranged between the two anti-overturning deformation structures (2), and the supporting boss (8) and the two anti-overturning deformation structures (2) form a linear supporting body.
10. The sofa backrest structure according to claim 1, wherein: the front surface of the back board body (1) and the back surface of the back board body (1) are respectively provided with a front surface depression (9) and a back surface depression (10) which are communicated with the via holes (3) at the positions of the via holes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023196320.9U CN214386867U (en) | 2020-12-25 | 2020-12-25 | Sofa backrest structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023196320.9U CN214386867U (en) | 2020-12-25 | 2020-12-25 | Sofa backrest structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214386867U true CN214386867U (en) | 2021-10-15 |
Family
ID=78041393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023196320.9U Active CN214386867U (en) | 2020-12-25 | 2020-12-25 | Sofa backrest structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214386867U (en) |
-
2020
- 2020-12-25 CN CN202023196320.9U patent/CN214386867U/en active Active
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