CN214678344U - Corner sofa backrest connecting structure and corner sofa backrest assembly - Google Patents
Corner sofa backrest connecting structure and corner sofa backrest assembly Download PDFInfo
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- CN214678344U CN214678344U CN202120106078.7U CN202120106078U CN214678344U CN 214678344 U CN214678344 U CN 214678344U CN 202120106078 U CN202120106078 U CN 202120106078U CN 214678344 U CN214678344 U CN 214678344U
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- corner sofa
- backrest
- cross beam
- hook
- side plate
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Abstract
The utility model discloses a corner sofa backrest connecting structure, which comprises a crossbeam, a longitudinal beam vertically connected with the crossbeam and two side plates respectively connected with two ends of the crossbeam, wherein the crossbeam and the longitudinal beam are both metal pieces, and the side plates are integrally formed injection molding pieces; the back sides of the longitudinal beam and the side plate are provided with a plurality of back mounting holes for connecting the corner sofa back plate. The utility model discloses a back connection structure, it can dismantle between the board with corner sofa backrest and be connected for the equipment is simple, convenient maintenance. In addition, the cross beam and the longitudinal beam in the connecting structure are metal pieces, the side plates are injection-molded pieces, and on the premise of ensuring certain supporting strength, the cost and the weight are reduced, and the transportation is convenient. In addition, the utility model discloses still provide the corner sofa backrest subassembly that has this back connection structure.
Description
Technical Field
The utility model relates to a sofa field especially relates to a corner sofa backrest connection structure and corner sofa backrest subassembly.
Background
The corner sofa is an important part of the family life of people, and is a combined sofa which is generally placed at a corner or a turning place and enables the inner space to be attractive. The corner combined sofa has various combination modes, and the corner combined sofa can be combined randomly according to the position and the size in various common modes such as single-person position, double-person position, high-ranked imperial concubine bed, single chair and the like.
The backrest assembly of the existing corner sofa is troublesome to assemble, high in cost, labor-consuming, heavy in weight and not beneficial to transportation, so that the existing corner sofa is difficult to maintain and has great limitation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a corner sofa backrest connecting structure and corner sofa backrest component.
The utility model discloses a solve the technical scheme that its problem adopted and be:
the utility model discloses at first provide a corner sofa backrest connection structure, including the crossbeam, with the longeron of crossbeam looks perpendicular connection and respectively with two curb plates that the crossbeam both ends are connected, wherein:
the transverse beam and the longitudinal beam are all metal pieces, and the side plates are integrally formed injection molding pieces;
and a plurality of backrest mounting holes used for connecting the corner sofa backrest plate are formed in the rear sides of the longitudinal beam and the side plate.
The utility model discloses a corner sofa backrest connection structure, it can dismantle between the board with corner sofa backrest and be connected for the equipment is simple, convenient maintenance. In addition, the cross beam and the longitudinal beam in the connecting structure are metal pieces, and the side plates in the connecting structure are injection-molded pieces, so that the cost and the weight are reduced and the transportation is convenient on the premise of ensuring certain supporting strength.
Furthermore, the inner side of the lower end of the side plate and the end part of the cross beam are respectively provided with a first cross beam mounting hole, and the screw nut assembly connects the side plate and the cross beam together through the first cross beam mounting holes.
Further, the lower extreme inboard of curb plate is equipped with the plug connector that is used for being connected with corner sofa base structure, the plug connector contains the guide rail and compresses tightly the shell fragment, compress tightly the shell fragment and constitute by n shape portion and kink, n shape portion contains one and extends end and one and extend the end outward, the kink sets up and extends and serve in the outer extension of n shape portion, the one end of guide rail stretches into the inner chamber of n shape portion.
From this, can realize dismantling between curb plate and the corner sofa base structure and be connected through setting up the plug connector, after the cutting on the base structure inserts the guide rail, its kink that compresses tightly on the shell fragment can with the joint hole joint on the cutting to realize firm connection between the two.
Furthermore, all be equipped with the plug connector mounting hole on the lower extreme inboard of curb plate, guide rail and the compressing elastic sheet, the screw nut subassembly passes through the plug connector mounting hole links together curb plate and plug connector.
Furthermore, a plurality of reinforcing ribs are arranged on the inner side of the side plate.
Thus, the reinforcing ribs can improve the supporting strength of the side plate.
Furthermore, the tail end of the longitudinal beam and the middle part of the cross beam are respectively provided with a second cross beam mounting hole, and the longitudinal beam and the cross beam are connected together through the second cross beam mounting holes by the screw nut assembly.
Furthermore, a plurality of hook mounting holes are formed in the cross beam, and are arranged at intervals along the length direction of the cross beam; and a spring hook is arranged in each hook mounting hole.
Further, the spring hook comprises a hook body and a T-shaped protrusion, a spring accommodating groove is formed in the hook body, the T-shaped protrusion penetrates through a hook mounting hole and is clamped and fixed, an arc structure is arranged between the hook body and the T-shaped protrusion, and an arc hole matched with the arc structure is formed in the hook mounting hole.
Furthermore, a plurality of anti-falling bulges are arranged on the cross beam at intervals along the length direction of the cross beam.
Therefore, the plurality of anti-falling bulges are arranged on the cross beam, and when the sofa surface sleeve is hung on the cross beam, the anti-falling bulges can prevent the sofa surface sleeve from falling off.
Additionally, the utility model provides a corner sofa back subassembly, including above-mentioned corner sofa back connection structure and corner sofa back board, wherein:
the corner sofa backrest plate is provided with a plurality of through holes, and the screw nut assembly passes through the through holes and the backrest mounting holes to connect the corner sofa backrest connecting structure with the corner sofa backrest plate.
To sum up, the utility model provides a pair of corner sofa backrest connection structure and corner sofa backrest subassembly has following technological effect:
(1) the utility model discloses a back connection structure, it can dismantle between the board with corner sofa backrest and be connected for the equipment is simple, convenient maintenance. In addition, the cross beam and the longitudinal beam in the connecting structure are metal pieces, and the side plates in the connecting structure are injection-molded pieces, so that the cost and the weight are reduced and the transportation is convenient on the premise of ensuring certain supporting strength.
(2) The utility model discloses a backrest connection structure can realize dismantling between curb plate and the corner sofa base structure through setting up the plug connector and be connected, and after the cutting on the base structure inserted the guide rail, it compressed tightly the kink on the shell fragment can with the joint hole joint on the cutting to realize firm connection between the two.
(3) The utility model discloses a back connection structure, it is protruding through setting up a plurality of anticreep on the crossbeam, when articulate sofa face cover on the crossbeam, this anticreep is protruding can prevent that sofa face cover from taking place to drop.
Drawings
Fig. 1 is a schematic structural view of the corner sofa backrest connection structure of the present invention;
FIG. 2 is a schematic structural view of the corner sofa backrest connection structure of the present invention at another viewing angle;
FIG. 3 is a schematic structural view of a side plate of the corner sofa backrest connection structure of the present invention;
FIG. 4 is a schematic structural view of a plug connector in the corner sofa backrest connection structure of the present invention;
FIG. 5 is a schematic structural view of the corner sofa backrest connection structure of the present invention after the side plate is hidden by the plug connector;
fig. 6 is a schematic structural view of a longitudinal beam in the corner sofa backrest connection structure of the present invention;
FIG. 7 is a schematic structural view of a cross beam in the corner sofa backrest connection structure of the present invention;
FIG. 8 is a schematic view of the spring hook in the corner sofa backrest connection structure of the present invention;
fig. 9 is a schematic structural view of the corner sofa backrest assembly of the present invention;
fig. 10 is a schematic structural view of the corner sofa backrest board of the present invention.
Wherein the reference numerals have the following meanings:
1. corner sofa backrest connecting structure; 11. a cross beam; 111. a hook mounting hole; 1111. a circular arc hole; 112. the anti-drop bulge; 12. a stringer; 13. a side plate; 14. a backrest mounting hole; 15. a first beam mounting hole; 16. a plug-in unit; 161. a guide rail; 162. pressing the elastic sheet; 1621. an n-shaped portion; 1622. a bending section; 17. a plug-in mounting hole; 18. a second beam mounting hole; 19. a spring hook; 191. a hook body; 1911. a spring receiving groove; 192. a T-shaped protrusion; 193. a circular arc structure; 2. corner sofa back boards; 21. a via hole; 22. hooking; 3. a spring.
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.
Example one
Referring to fig. 1-8, the utility model provides a corner sofa backrest connection structure 1, which comprises a cross beam 11, a longitudinal beam 12 vertically connected with the cross beam 11 and two side plates 13 respectively connected with two ends of the cross beam 11, wherein the cross beam 11 and the longitudinal beam 12 are metal pieces, and the side plates 13 are integrally formed injection molding pieces; the longitudinal beam 12 and the side plate 13 are provided with a plurality of backrest mounting holes 14 at the rear side for connecting the corner sofa backrest plate 2.
Specifically, nuts are embedded in the backrest mounting holes 14 at the rear sides of the side plates 13, so that the thickness and the weight of the corner sofa backrest plate 2 can be reduced. The inner side of the lower end of the side plate 13 and the end part of the cross beam 11 are respectively provided with a first cross beam mounting hole 15, and the screw nut assembly connects the side plate 13 and the cross beam 11 together through the first cross beam mounting hole 15; the tail end of the longitudinal beam 12 and the middle part of the cross beam 11 are both provided with a second cross beam mounting hole 18, and the longitudinal beam 12 and the cross beam 11 are connected together through the second cross beam mounting hole 18 by a screw nut assembly.
In the present embodiment, the cross beam 11 and the longitudinal beam 12 are each U-shaped in cross section.
Therefore, the corner sofa backrest connecting structure 1 is detachably connected with the corner sofa backrest plate 2, so that the assembly is simple and the maintenance is convenient. In addition, the cross beam 11 and the longitudinal beam 12 in the connecting structure are metal pieces, and the side plates 13 are injection-molded pieces, so that the cost and the weight are reduced and the transportation is convenient on the premise of ensuring certain supporting strength.
Referring to fig. 3-4, the inner side of the lower end of the side plate 13 is provided with a plug connector 16 for connecting with the corner sofa base structure, the plug connector 16 includes a guide rail 161 and a pressing elastic piece 162, the pressing elastic piece 162 is composed of an n-shaped portion 1621 and a bending portion 1622, the n-shaped portion 1621 includes an inner extending end and an outer extending end, the bending portion 1622 is disposed on the outer extending end of the n-shaped portion 1621, and one end of the guide rail 161 extends into the inner cavity of the n-shaped portion 1621.
Specifically, the inner side of the lower end of the side plate 13, the guide rail 161 and the pressing spring piece 162 are all provided with a plug mounting hole 17, and the screw and nut assembly connects the side plate 13 and the plug 16 through the plug mounting hole 17.
In this embodiment, a nut is also embedded in the plug attachment hole 17 of the side plate 13.
Therefore, the detachable connection between the side plate 13 and the corner sofa base structure can be realized by arranging the plug connector 16, and after the insert strip on the base structure is inserted into the guide rail 161, the bent part 1622 on the pressing elastic piece 162 can be clamped with the clamping hole on the insert strip, so that the firm connection between the side plate and the corner sofa base structure is realized.
In this embodiment, a plurality of ribs are provided on the inner side of the side plate 13, so that the supporting strength of the side plate 13 can be improved.
Referring to fig. 7-8, the beam 11 is provided with a plurality of hook mounting holes 111, and the plurality of hook mounting holes 111 are arranged at intervals along the length direction of the beam 11; a spring hook 19 is arranged in each hook mounting hole 111. The spring hook 19 comprises a hook body 191 and a T-shaped protrusion 192, a spring accommodating groove 1911 is formed in the hook body 191, the T-shaped protrusion 192 penetrates through the hook mounting hole 111 and is clamped and fixed, an arc structure 193 is arranged between the hook body 191 and the T-shaped protrusion 192, and an arc hole 1111 matched with the arc structure 193 is formed in the hook mounting hole 111.
Therefore, when the spring 3 needs to be installed, the T-shaped protrusion 192 on the spring hook 19 penetrates through the hook installation hole 111, and after the spring hook 19 rotates around the arc hole 1111 to be positioned, the arc structure 193 just abuts against the hook installation hole 111, so that the connection between the spring hook 19 and the cross beam 11 is realized; the end of the spring 3 is hooked into the spring receiving groove 1911, and the spring 3 and the spring hook 19 are connected.
In addition, the cross beam 11 is provided with a plurality of anti-dropping protrusions 112 arranged at intervals along the length direction, and when the sofa cover is hung on the cross beam 11, the anti-dropping protrusions 112 can prevent the sofa cover from dropping.
Example two
Referring to fig. 9, the present invention further provides a corner sofa backrest assembly, which includes the corner sofa backrest connection structure 1, the corner sofa backrest plate 2 and a plurality of springs 3 according to the first embodiment.
Specifically, the corner sofa backrest plate 2 is provided with a plurality of through holes 21, and the screw nut assembly connects the corner sofa backrest plate 2 and the corner sofa backrest connecting structure 1 together through the through holes 21 and the backrest mounting holes 14. In addition, a plurality of hooks 22 are arranged on the corner sofa backrest plate 2 at intervals, and the hooks 22 correspond to the spring hooks 19 on the cross beam 11 one by one. Thus, one end of the spring 3 is hooked into the spring receiving groove 1911, and the other end is hooked on the hook 22 to form a leaning support surface of the corner sofa.
In this embodiment, the hook 22 is integrally formed with the corner sofa back panel 2.
To sum up, the utility model discloses a corner sofa backrest connection structure 1 and corner sofa backrest subassembly has following technological effect:
the backrest connecting structure of the utility model is detachably connected with the corner sofa backrest plate 2, so that the assembly is simple and the maintenance is convenient. In addition, the cross beam 11 and the longitudinal beam 12 in the connecting structure are metal parts, and the side plates 13 in the connecting structure are injection-molded parts, so that the cost and the weight are reduced and the transportation is convenient on the premise of ensuring certain supporting strength;
(II) the utility model discloses a back connection structure can realize dismantling between curb plate 13 and the corner sofa base structure through setting up plug connector 16 and be connected, and after the structural cutting of base inserted guide rail 161, it compressed tightly kink 1622 on the shell fragment 162 can with the joint hole joint on the cutting to realize firm connection between the two.
(III) the utility model discloses a back connection structure through set up the protruding 112 of a plurality of anticreep on crossbeam 11, when pegging graft the sofa face cover on crossbeam 11, this anticreep is protruding 112 can prevent that sofa face cover from taking place to drop.
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. Corner sofa backrest connection structure, its characterized in that, including crossbeam (11), with longeron (12) that crossbeam (11) looks perpendicular is connected and respectively with two curb plates (13) that crossbeam (11) both ends are connected, wherein:
the transverse beam (11) and the longitudinal beam (12) are both metal pieces, and the side plate (13) is an integrally formed injection molding piece;
and a plurality of backrest mounting holes (14) used for connecting the corner sofa backrest plate (2) are formed in the rear sides of the longitudinal beam (12) and the side plate (13).
2. The backrest connecting structure according to claim 1, wherein the inner side of the lower end of the side plate (13) and the end of the cross beam (11) are provided with first cross beam mounting holes (15), and the screw and nut assembly connects the side plate (13) and the cross beam (11) together through the first cross beam mounting holes (15).
3. The backrest connection structure according to claim 1, characterized in that the lower end of the side plate (13) is provided at the inner side with a plug connector (16) for connecting with a corner sofa base structure, the plug connector (16) comprises a guide rail (161) and a pressing spring piece (162), the pressing spring piece (162) is composed of an n-shaped portion (1621) and a bending portion (1622), the n-shaped portion (1621) comprises an inner extending end and an outer extending end, the bending portion (1622) is disposed at the outer extending end of the n-shaped portion (1621), and one end of the guide rail (161) extends into the inner cavity of the n-shaped portion (1621).
4. The backrest connection structure according to claim 3, characterized in that the inner side of the lower end of the side plate (13), the guide rail (161) and the compression spring plate (162) are provided with plug connector mounting holes (17), and the screw and nut assembly connects the side plate (13) and the plug connector (16) together through the plug connector mounting holes (17).
5. The backrest connection structure as claimed in claim 1, wherein the inner side of the side plate (13) is provided with a plurality of reinforcing ribs.
6. The backrest connecting structure according to claim 1, characterized in that the end of the longitudinal beam (12) and the middle of the cross beam (11) are provided with a second cross beam mounting hole (18), and a screw and nut assembly connects the longitudinal beam (12) and the cross beam (11) together through the second cross beam mounting hole (18).
7. The backrest connecting structure according to claim 1, wherein a plurality of hook mounting holes (111) are formed in the cross beam (11), and the plurality of hook mounting holes (111) are arranged at intervals along the length direction of the cross beam (11); and a spring hook (19) is arranged in each hook mounting hole (111).
8. The backrest connecting structure as claimed in claim 7, wherein the spring hook (19) comprises a hook body (191) and a T-shaped protrusion (192), a spring receiving groove (1911) is formed in the hook body (191), the T-shaped protrusion (192) passes through the hook mounting hole (111) and is clamped and fixed, a circular arc structure (193) is arranged between the hook body (191) and the T-shaped protrusion (192), and a circular arc hole (1111) matched with the circular arc structure (193) is formed in the hook mounting hole (111).
9. The backrest connecting structure according to claim 1, wherein the cross member (11) is provided with a plurality of anti-falling projections (112) spaced apart along a length direction thereof.
10. Corner sofa backrest assembly, characterised in that it comprises a corner sofa backrest connection structure (1) and a corner sofa backrest panel (2) according to any of claims 1-9, where:
be equipped with a plurality of via holes (21) on corner sofa back board (2), the screw nut subassembly passes through via hole (21) and back mounting hole (14) will corner sofa back connection structure (1) links together with corner sofa back board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120106078.7U CN214678344U (en) | 2021-01-14 | 2021-01-14 | Corner sofa backrest connecting structure and corner sofa backrest assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120106078.7U CN214678344U (en) | 2021-01-14 | 2021-01-14 | Corner sofa backrest connecting structure and corner sofa backrest assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214678344U true CN214678344U (en) | 2021-11-12 |
Family
ID=78563646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120106078.7U Active CN214678344U (en) | 2021-01-14 | 2021-01-14 | Corner sofa backrest connecting structure and corner sofa backrest assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214678344U (en) |
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2021
- 2021-01-14 CN CN202120106078.7U patent/CN214678344U/en active Active
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