CN212260924U

CN212260924U - Connecting structure of split leisure chair

Info

Publication number: CN212260924U
Application number: CN202020973634.6U
Authority: CN
Inventors: 李随军
Original assignee: Zhejiang Tianhe Intelligent Furniture Technology Co ltd
Current assignee: Zhejiang Tianhe Intelligent Furniture Technology Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-01-01
Anticipated expiration: 2030-06-01

Abstract

The utility model relates to a connection structure of split type leisure chaise longue belongs to office furniture field, can not compromise performance and manufacturing cost's problem well to the leisure chaise longue of current integrated into one piece's plastics material, adopts technical scheme as follows: a connecting structure of a split leisure chair comprises a seat shell and a back of chair shell, wherein a limiting support is arranged on the back of chair shell, a first end is connected with the back of chair shell, a second end is bent downwards and arranged at intervals with the outer surface of the back of chair shell, the seat shell comprises a back of chair part and a seat part, the top of the back of chair part is recessed downwards to form a containing cavity, the cavity wall of the containing cavity comprises a front wall, a rear wall and a bottom wall, the second end of the limiting support extends into the containing cavity, the front wall extends into the interval between the second end of the limiting support and the back of chair shell, and the top end of the rear wall is abutted against the back of chair shell; the threaded fastener closely links to each other spacing support with holding the chamber for seat shell and the detachable connection of back of the chair shell. The utility model discloses a split type structure reduces the shaping degree of difficulty, is favorable to realizing batch production.

Description

Connecting structure of split leisure chair

Technical Field

The utility model belongs to the office furniture field, in particular to split type leisure chaise longue's connection structure.

Background

Integrated into one piece's leisure chaise longue need compromise everywhere performance requirement, with the back atress of human contact, need set up the reinforcing structure that the structure is complicated a little here, but its die sinking cost is higher when complicated reinforcing structure is prepared through the casting mode, is unfavorable for batch production, and performance and manufacturing cost can not be compromise well to integrated into one piece's plastics material's leisure chaise longue promptly. Therefore, a leisure chair which is light in weight, low in forming difficulty and capable of meeting the use requirement in strength is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a leisure chaise longue to current integrated into one piece's plastics material can not compromise performance and manufacturing cost's problem well, the utility model provides a split type leisure chaise longue's connection structure adopts the components of a whole that can function independently structure, and it has the intensity that satisfies the operation requirement to reduce the shaping degree of difficulty and die sinking cost, be suitable for batch production.

The utility model adopts the technical scheme as follows: a connecting structure of a split leisure chair comprises a seat shell and a back seat shell, wherein a limiting support is arranged on the back seat shell, a first end of the limiting support is connected with the back seat shell, a second end of the limiting support is bent downwards and arranged at intervals with the outer surface of the back seat shell, the seat shell comprises a back seat part and a seat part which are arranged at an angle, the top of the back seat part is concave downwards to form a containing cavity with an upward opening, the cavity wall of the containing cavity comprises a front wall, a rear wall and a bottom wall, the second end of the limiting support extends into the containing cavity and is limited by the front wall and the rear wall, the front wall extends into the interval between the second end of the limiting support and the back seat shell, and the top end of the rear wall abuts against the back seat shell; a threaded fastener connects the limit bracket and the accommodating cavity tightly, so that the seat shell and the back of the chair shell can be detachably connected.

When the split leisure chair is used, the joint of the limiting bracket and the accommodating cavity is stressed, and the limiting bracket and the accommodating cavity are tightly matched and mutually supported, so that the strength of the split leisure chair can meet the use requirement; the utility model discloses a split type structure, every part can be processed alone, reduces the shaping degree of difficulty, is favorable to realizing batch production.

Furthermore, the containing cavity is in a flaring shape with a large upper part and a small lower part, a limiting hole is formed in the bottom wall of the containing cavity, the section of the second end of the limiting support is in a wedge shape, a limiting groove matched with the position of the limiting hole is formed in the section of the second end of the limiting support, a limiting part with threads is limited in the limiting groove, and the threaded fastener penetrates through the limiting hole and is limited by the limiting part. The direction of threaded fastener fastening is vertical, adopts the structure of wedge and flaring form, is favorable to spacing support and holds the chamber and realizes the tight fit in the fastening direction, can effectively prevent not hard up, drop.

Furthermore, a plurality of support ribs are arranged on the chair back shell, the support ribs are arranged at intervals along the outer surface of the limiting support, the outer side surfaces of the support ribs can be attached to the rear wall, and fit gaps between the limiting portion and the accommodating cavity are reduced. When the support rib is contacted with the back wall, the contact surface is smaller, the friction force is correspondingly smaller, and the quick assembly and disassembly are convenient.

Furthermore, the bottom of brace rod is even as an organic whole with spacing support, keeps better continuity when the shaping, reduces the shaping degree of difficulty to and reduce sharp acute angle, increase the safety in utilization.

Furthermore, the top surface of the supporting rib is an inclined surface, so that the seat shell and the back seat shell are not interfered when being assembled.

Furthermore, a plurality of convex ribs are arranged on the front wall, the convex ribs are narrow at the top and wide at the bottom, and the outer surfaces of the convex ribs are mutually abutted with the outer surface of the chair back shell. When protruding muscle and back of the chair shell surface contacted, the contact surface was less, and frictional force is also corresponding less, the quick assembly disassembly of being convenient for, protruding muscle be narrow wedge structure wide down, during the assembly, along with threaded fastener screws gradually, the assembly force between protruding muscle and the back of the chair shell also strengthens gradually, overall structure is stable and has better intensity.

Furthermore, the top of the front wall is arc-shaped, and the convex ribs are vertically arranged on the front wall and distributed along the contour of the top of the front wall in a shape that the middle is high and the two sides are low. Short and small convex ribs are positioned on two sides, so that the front wall is ensured to have higher strength, and long and straight convex ribs are positioned in the middle, so that the front wall is ensured to have better elasticity.

Furthermore, a limiting step is arranged on the chair back shell, and the arrangement shape of the limiting step is matched with the contour shape of the upper part of the chair back part, so that the assembly clearance is reduced.

Furthermore, a through hole is formed in the seat shell and located below the containing cavity for the installation of the threaded fastener, and meanwhile, the through hole is arranged to achieve the effects of attractiveness and convenience in carrying.

Furthermore, the first end of the limiting bracket and the chair back shell are integrally formed.

The utility model discloses beneficial effect who has: the joint of the limiting bracket and the accommodating cavity is stressed, and the limiting bracket and the accommodating cavity are tightly matched and mutually supported, so that the strength of the split leisure chair can meet the use requirement; the utility model discloses a split type structure, every part can be processed alone, reduces the shaping degree of difficulty, is favorable to realizing batch production.

Drawings

FIG. 1 is a schematic view of the overall structure of a connection structure of a split-type leisure chair;

FIG. 2 is a sectional structure diagram of a split leisure chair;

FIG. 3 is a schematic structural view of the seat shell;

FIG. 4 is a top down view of the seat shell;

FIG. 5 is a schematic view of the back of the chair;

in the figure: 1-a seat shell; 11-chair back; 12-a seat portion; 13-front wall; 131-convex ribs; 14-rear wall; 15-a bottom wall; 151-limiting hole; 16-a via hole; 2-a back of chair shell; 21-a support rib; 22-a limit step; 3-a limit bracket; 31-a limiting groove; 311-a limit stop; 4-threaded fasteners.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

The connecting structure of the split leisure chair of this embodiment, as shown in fig. 1 to 5, includes a seat shell 1 and a back-of-chair shell 2, a limiting bracket 3 is disposed on the back-of-chair shell 2, a first end of the limiting bracket is connected to the back-of-chair shell 2, a second end of the limiting bracket is bent downward and arranged at an interval with an outer surface of the back-of-chair shell 2, the seat shell 1 includes a back-of-chair portion 11 and a seat portion 12 which are disposed at an angle, a top of the back-of-chair portion 11 is recessed to form an accommodating cavity with an upward opening, a cavity wall of the accommodating cavity includes a front wall 13, two side walls, a rear wall 14 and a bottom wall 15, a second end of the limiting bracket 3 extends into the accommodating cavity from the opening at the top of the accommodating cavity and is limited by the front wall 13 and the rear wall 14, at this time, the front wall 13 extends into an interval between the second end; the screw fastener 4 tightly connects the limiting bracket 3 and the accommodating cavity, so that the seat shell 1 and the back of the chair shell 2 can be detachably connected. The seat shell 1 and the back seat shell 2 are preferably made of plastic, and the back seat shell 2 and the seat shell 1 have cambered surfaces to increase the use comfort.

When the split leisure chair is used, the connecting part of the limiting bracket 3 and the accommodating cavity is stressed, and the limiting bracket and the accommodating cavity are tightly matched and mutually supported, so that the strength of the split leisure chair can meet the use requirement; the utility model discloses a split type structure, every part can be processed alone, reduces the shaping degree of difficulty, is favorable to realizing batch production.

The holding cavity is in a flaring shape with a large upper part and a small lower part, the bottom wall 15 of the holding cavity is provided with a limiting hole 151, the cross section of the second end of the limiting bracket 3 is in a wedge shape with a large upper part and a small lower part, a limiting groove 31 matched with the position of the limiting hole 151 is formed in the cross section, the limiting part 311 with threads is limited in the limiting groove 31, and the threaded fastener 4 penetrates through the limiting hole 151 and is limited by the limiting part 311. The direction of the fastening of the threaded fastener 4 is vertical, and the structure of wedge shape and flaring shape is adopted, so that the tight fit of the limiting support 3 and the accommodating cavity in the fastening direction is realized, and the looseness and the falling off can be effectively prevented. In this embodiment, a part of the bottom wall of the limit groove extends toward the outer surface of the seat back case 2 to increase the strength of the limit bracket at this position.

The back of the chair shell 2 is provided with a plurality of support ribs 21, the support ribs 21 are arranged at intervals along the outer surface of the limiting support 3, the outer side surfaces of the support ribs 21 can be attached to the rear wall 14, and fit clearance between the limiting portion and the accommodating cavity is reduced. When the support rib 21 is in contact with the rear wall 14, the contact surface is small, the friction force is correspondingly small, and the quick assembly and disassembly are convenient.

The bottom of brace rod 21 links as an organic whole with spacing support 3, keeps better continuity when the shaping, reduces the shaping degree of difficulty to and reduce sharp angle, increase safety in utilization.

The top surfaces of the support ribs 21 are inclined surfaces so that interference does not occur when the seat shell 1 and the back seat shell 2 are assembled.

The front wall 13 is provided with a plurality of ribs 131, the ribs 131 are narrow at the top and wide at the bottom, and the outer surface of the ribs 131 is abutted against the outer surface of the back seat shell 2. When protruding muscle 131 contacts with back of the chair shell 2 surface, the contact surface is less, and frictional force is also corresponding less, the quick assembly disassembly of being convenient for, protruding muscle 131 is narrow wedge structure wide down, and during the assembly, along with threaded fastener 4 screws gradually, the assembly force between protruding muscle 131 and back of the chair shell 2 also strengthens gradually, and overall structure is stable and has better intensity.

The top of the front wall 13 is arc-shaped, and the convex ribs 131 are vertically arranged on the front wall 13 and distributed along the contour of the top of the front wall 13 in a shape of high in the middle and low in two sides. The short convex ribs 131 are positioned on two sides to ensure that the front wall 13 has higher strength, and the long straight convex ribs 131 are positioned in the middle to ensure that the front wall 13 has better elasticity.

The back of the chair shell 2 is provided with a limiting step 22, and the shape of the limiting step 22 is matched with the contour shape of the upper part of the back of the chair 11 so as to reduce the assembly clearance.

Open on the seat shell 1 has through-hole 16, through-hole 16 is located hold the below in chamber, give way for installation threaded fastener 4, simultaneously, set up through-hole 16 and still have pleasing to the eye and the effect of convenient transport.

The first end of the limiting bracket 3 and the chair back shell 2 are integrally formed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. A connecting structure of a split leisure chair, which comprises a seat shell (1) and a back shell (2), it is characterized in that a limit bracket (3) is arranged on the chair back shell (2), the first end of the chair back shell is connected with the chair back shell (2), the second end is bent downwards and arranged at intervals with the outer surface of the chair back shell (2), the seat shell (1) comprises a chair back part (11) and a chair seat part (12) which are arranged in an angle, the top of the chair back (11) is concave downwards to form an accommodating cavity with an upward opening, the cavity wall of the accommodating cavity comprises a front wall (13), a rear wall (14) and a bottom wall (15), the second end of the limiting bracket (3) extends into the accommodating cavity and is limited by the front wall and the rear wall, at the moment, the front wall (13) extends into the interval between the second end of the limiting bracket (3) and the back chair shell (2), and the top end of the rear wall (14) is abutted against the back chair shell (2); a screw thread fastener (4) closely links to each other spacing support (3) and holding the chamber for seat shell (1) and back of the chair shell (2) detachable connection.

2. The connecting structure of a split-type leisure chair according to claim 1, wherein the accommodating cavity is flared in a large-end-up shape, a limiting hole (151) is formed in a bottom wall (15) of the accommodating cavity, the second end of the limiting bracket (3) is wedge-shaped in cross section, a limiting groove (31) matched with the position of the limiting hole (151) is formed in the limiting groove (31), a limiting member (311) with threads is limited in the limiting groove (31), and the threaded fastener (4) penetrates through the limiting hole (151) and is limited by the limiting member (311).

3. The connecting structure of the split leisure chair according to claim 2, characterized in that the back of the chair shell (2) is provided with a plurality of support ribs (21), the support ribs (21) are arranged along the outer surface of the limiting bracket (3) at intervals, and the outer side surfaces of the support ribs (21) can be attached to the rear wall (14).

4. The connecting structure of the split leisure chair according to claim 3 characterized in that the bottom of the support rib (21) is connected with the limit bracket (3) as a whole.

5. The coupling structure of a divided leisure chair according to claim 3 wherein the top surface of the support rib (21) is a slope.

6. The structure of connecting a split-type leisure chair according to claim 3, wherein the front wall (13) is provided with a plurality of ribs (131), the ribs (131) are narrow at the top and wide at the bottom, and the outer surfaces of the ribs and the outer surface of the back shell (2) are abutted against each other.

7. The structure of connecting a split-type leisure chair according to claim 6, wherein the top of the front wall (13) is arc-shaped, and the ribs (131) are vertically arranged on the front wall (13) and distributed along the contour of the top of the front wall (13) with a high middle and two low sides.

8. The connecting structure of the split leisure chair according to claim 1, wherein the back shell (2) is provided with a limiting step (22), and the limiting step (22) is arranged in a shape matched with the contour of the upper part of the back (11).

9. The connecting structure of the split leisure chair according to claim 1 is characterized in that a through hole (16) is formed in the seat shell (1), and the through hole (16) is located below the accommodating cavity and is used for providing a relief for installing a threaded fastener (4).

10. The connecting structure of the split-type leisure chair according to claim 1, wherein the first end of the limit bracket (3) is integrally formed with the back-of-chair shell (2).