Sofa armrest and sofa thereof

Abstract

The utility model relates to a sofa armrest and a sofa, the sofa armrest comprises an armrest piece formed by blow molding, the inner side of the armrest piece is provided with a first installation position used for installing an armrest reinforcing piece, a positioning assembly part is arranged between the armrest reinforcing piece and the first installation position, and the armrest reinforcing piece is positioned and installed at the first installation position through the positioning assembly part. Therefore, the anti-torsion and anti-shaking strength of the handrail piece is improved. According to the scheme, the length of a cantilever of the handrail can be shortened, and the torsion and shake resistance strength of the handrail piece is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of sofas, in particular to a sofa armrest and a sofa thereof. Background Art

[0002] The existing sofa armrests have low installation strength, the armrest cantilever is too long, and the torsional and anti-shake strength are poor. For example, Chinese Patent No. ZL202120764978.0 discloses a new sofa structure, including a backrest assembly, a base assembly and an armrest. The backrest assembly includes a backrest frame, a back plate and side ears arranged on both sides of the backrest frame; the backrest frame and the side ears are both blow-molded structures that are integrally formed, and the back plate is a plastic plate and is arranged on the back of the backrest frame; the base assembly includes a metal base frame and a metal seat frame arranged on the metal base frame; the metal seat frame is provided with an armrest on one side or both sides, and the armrest is integrally formed by a blow molding process. The new sofa structure of the utility model, the backrest assembly consists of a plastic back plate and a blow-molded integrally formed backrest frame and side ears. The new sofa structure can only be used to install the sofa armrest on the inner side. The operating space for installing the sofa armrest on the inner side is small, and it is complicated to avoid the iron frame. It is inefficient to constantly open and close the functional iron frame to find the installation position.

[0003] Therefore, further improvement is needed. Utility Model Content

[0004] The utility model aims to provide a sofa armrest and sofa thereof, wherein an armrest reinforcement member is provided on the armrest member, and the armrest reinforcement member is locked to the armrest member, and this scheme can shorten the armrest cantilever length and enhance the torsional and anti-shaking strength of the armrest member.

[0005] A sofa armrest designed for this purpose includes a blow-molded armrest member, a first mounting position for mounting an armrest reinforcement member is provided on the inner side of the armrest member, a positioning assembly portion is provided between the armrest reinforcement member and the first mounting position, and the armrest reinforcement member is positioned and mounted at the first mounting position through the positioning assembly portion to increase the torsional and anti-shaking strength of the armrest member. The armrest reinforcement member is embedded in the armrest member, and the armrest reinforcement member is locked to the armrest member. This solution can shorten the armrest cantilever length and enhance the torsional and anti-shaking strength of the armrest member.

[0006] A first mounting position with a groove-shaped structure is provided on the handrail member, and the handrail reinforcement member is embedded and positioned on the first mounting position with a groove-shaped structure. The groove surface of the first mounting position forms a positioning assembly part between the handrail reinforcement member and the first mounting position.

[0007] A first fixed connection portion for installing a fastener is provided between the armrest reinforcement and the first installation position, and the armrest reinforcement is fixedly installed on the first installation position by the fastener.

[0008] The handrail is provided with a concave hole for enhancing the bearing capacity of the handrail; one end of the first installation position is connected with the concave hole; the handrail reinforcement is in the shape of a long strip, a square tube, a U-shaped structure or an "X"-shaped structure.

[0009] A plurality of countersunk holes for installing fasteners are arranged on the outer side of the armrest; each countersunk hole penetrates both inner and outer sides of the armrest, and some of the countersunk holes are connected to the first installation position, so that both inner and outer sides of the armrest form installation areas for installing fasteners, and fasteners can be installed on both inner and outer sides of the sofa.

[0010] Installation areas for installing fasteners are formed on both the inner and outer sides of the armrest. Bolts can be installed on the outer side of the sofa armrest and the inner side of the sofa armrest, which is more convenient and quicker. It avoids the small installation operation space on the inner side of the sofa and the complex avoidance of the iron frame. It solves the technical problem of low assembly efficiency caused by the need to constantly open and close the functional iron frame to find the installation position during the installation operation on the inner side of the sofa.

[0011] The design of the sinking platform (sinking hole) on the handrail with a hollow structure can improve the strength of the handrail by double-sided lamination, avoid the protrusion of the bolts, and facilitate the subsequent process operation of primer veneer on the handrail.

[0012] A sofa comprises an iron frame seat frame and the sofa armrests. The sofa armrests are provided with iron frame seat frame mounting components fixedly connected to the iron frame seat frame.

[0013] The sofa also includes a functional iron frame accessory. A second installation position for installing the functional iron frame accessory is provided on the armrest member. The first installation position and the second installation position are arranged on the armrest member in a longitudinal and transverse manner. The first installation position and the second installation position are at least partially connected. The armrest reinforcement member and the functional iron frame accessory are correspondingly installed on the armrest member. The functional iron frame accessory at least partially covers the armrest reinforcement member. The part of the functional iron frame accessory covering the armrest reinforcement member is fixedly connected to the armrest reinforcement member to lock the armrest reinforcement member on the first installation position of the armrest member.

[0014] The second mounting position is in the shape of a boss, and the functional iron frame accessory is provided with a folded edge. The functional iron frame accessory is installed on the second mounting position, and the folded edge abuts against the outer side of the boss-shaped second mounting position, so that the functional iron frame accessory is positioned and installed on the second mounting position.

[0015] The second mounting position in the shape of a boss is provided with a step limit portion, the functional iron frame accessory is mounted on the second mounting position, and the end of the functional iron frame accessory abuts against the step limit portion, so that the functional iron frame accessory is limitedly mounted on the step limit portion of the second mounting position.

[0016] A second fixed connection portion for installing a fastener is provided between the functional iron frame accessory and the second mounting position, and the functional iron frame accessory is fixedly installed on the second mounting position by the fastener; a third fixed connection portion for installing a fastener is provided between the handrail reinforcement and the functional iron frame accessory; the handrail reinforcement and the functional iron frame accessory are fixedly connected by fasteners; the functional iron frame accessory has a plate-like structure.

[0017] The functional iron frame accessories are directionally installed on the second installation position through the folding edge and the step limit part, avoiding the effect of incorrect assembly of the functional iron frame accessories and avoiding the functional iron frame accessories from moving up and down and forward and backward on the second installation position after installation.

[0018] The portion of the functional iron frame accessory covering the armrest reinforcement is fixedly connected to the armrest reinforcement to lock the armrest reinforcement at the first installation position of the armrest member to prevent the armrest reinforcement from slipping out of the first installation position. The armrest reinforcement and the functional iron frame accessory are interlocked and locked to effectively improve the mechanical strength of the armrest member.

[0019] The utility model has the following beneficial effects:

[0020] The armrest is provided with an armrest reinforcement, and the armrest reinforcement is locked to the armrest. This solution can shorten the armrest cantilever length and enhance the torsion and anti-shake strength of the armrest. A number of countersunk holes for installing fasteners are provided on the outside of the armrest; some of the countersunk holes are connected to the first installation position, so that both the inside and outside of the armrest form installation areas for installing fasteners, and thus the armrest can be installed on both the inside and outside of the sofa. Installation areas for installing fasteners are formed on both the inside and outside of the armrest, and bolts are installed on the outside of the sofa armrest, and bolts can also be installed on the inside of the sofa armrest, which is more convenient and quick, avoiding the small installation operation space on the inside of the sofa and the complexity of avoiding the iron frame, and solving the technical problem of low assembly efficiency caused by the need to constantly open and close the functional iron frame to find the installation position when installing the inside of the sofa. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the assembly and decomposition of the handrail member, handrail reinforcement member, and functional iron frame accessories in one embodiment of the utility model.

[0022] Figure 2 This is a structural schematic diagram of an armrest reinforcement member installed on an armrest member according to an embodiment of the utility model.

[0023] Figure 3 This is a schematic diagram of a long strip-shaped structure of an armrest reinforcement member in one embodiment of the utility model.

[0024] Figure 4 This is a schematic diagram of a square tube-shaped structure of an armrest reinforcement member in one embodiment of the utility model.

[0025] Figure 5Schematic diagram of the reinforcing member of the armrest in an embodiment of the present utility model, showing a square tubular structure on the other side.

[0026] Figure 6 Schematic diagram of the disassembly and assembly structure of the armrest member, the armrest reinforcing member, and the functional iron frame fittings in another embodiment of the present utility model

[0027] Figure 7 Schematic diagram of the first installation position of the U-shaped structure of the armrest member in another embodiment of the present utility model.

[0028] Figure 8 Schematic diagram of the U-shaped structure of the armrest reinforcing member in another embodiment of the present utility model.

[0029] Fig. 9 Schematic diagram of the structure of the armrest reinforcing member in the shape of a capital "J" in another embodiment of the present utility model.

[0030] Fig.10 Schematic diagram of the structure of the armrest reinforcing member in another shape of a capital "J" in another embodiment of the present utility model.

[0031] Fig.11 Schematic diagram of the three-dimensional structure of the sofa frame body model in an embodiment of the present utility model. Detailed implementation manners

[0032] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Refer to Figure 1-Figure 11 , a sofa armrest, including a blow-molded armrest member 1, a first installation position 3 for installing an armrest reinforcing member 2 is provided on the inner side of the armrest member 1, a positioning and assembly part is provided between the armrest reinforcing member 2 and the first installation position 3, and the armrest reinforcing member 2 is positioned and installed on the first installation position 3 through the positioning and assembly part to increase the anti-torsion and anti-shake strength of the armrest member 1.

[0034] The first installation position 3 on the armrest member 1 is in a groove-like structure, and the armrest reinforcing member 2 is embedded and positioned on the groove-like first installation position 3, and the groove surface of the first installation position 3 forms the positioning and assembly part between the armrest reinforcing member 2 and the first installation position 3.

[0035] A first fixed connection part 8 for installing fasteners is provided between the armrest reinforcing member 2 and the first installation position 3, and the armrest reinforcing member 2 is fixedly installed on the first installation position 3 through fasteners.

[0036] The armrest member 1 is provided with concave holes 11 for enhancing the bearing capacity of the armrest member 1; one end of the first installation position 3 is communicated with the concave holes 11; the armrest reinforcing member 2 is in a long strip shape, a square tubular shape, a U-shaped structure or a capital "J" shape structure.

[0037] A plurality of countersunk holes 12 for installing fasteners are provided on the outer side of the armrest member 1, and each countersunk hole 12 passes through both the inner and outer sides of the armrest member 1; and some of the countersunk holes 12 are connected to the first installation position 3, so that installation areas for installing fasteners are formed on both the inner and outer sides of the armrest member 1, and fasteners can be installed on both the inner and outer sides of the sofa.

[0038] A sofa comprises an iron frame seat frame and the sofa armrests. The sofa armrests are provided with iron frame seat frame mounting components fixedly connected to the iron frame seat frame.

[0039] The sofa also includes a functional iron frame accessory 4. The armrest member 1 is provided with a second mounting position 5 for mounting the functional iron frame accessory 4. The first mounting position 3 and the second mounting position 5 are arranged on the armrest member 1 in a longitudinal and transverse manner. The first mounting position 3 and the second mounting position 5 are at least partially connected. The armrest reinforcement member 2 and the functional iron frame accessory 4 are correspondingly installed on the armrest member 1. The functional iron frame accessory 4 at least partially covers the armrest reinforcement member 2. The portion of the functional iron frame accessory 4 covering the armrest reinforcement member 2 is fixedly connected to the armrest reinforcement member 2 to lock the armrest reinforcement member 2 on the first mounting position 3 of the armrest member 1.

[0040] The second mounting position 5 is in the shape of a boss, and the functional iron frame accessory 4 is provided with a folded edge 6. The functional iron frame accessory 4 is installed on the second mounting position 5, and the folded edge 6 abuts against the outer side of the boss-shaped second mounting position 5, so that the functional iron frame accessory 4 is positioned and installed on the second mounting position 5.

[0041] The second mounting position 5 in the shape of a boss is provided with a step limit portion 7 , and the functional iron frame accessory 4 is mounted on the second mounting position 5 , and the end of the functional iron frame accessory 4 abuts against the step limit portion 7 , so that the functional iron frame accessory 4 is limitedly mounted on the step limit portion 7 of the second mounting position 5 .

[0042] A second fixed connection portion 9 for installing fasteners is provided between the functional iron frame accessory 4 and the second mounting position 5, and the functional iron frame accessory 4 is fixedly installed on the second mounting position 5 by fasteners; a third fixed connection portion 10 for installing fasteners is provided between the handrail reinforcement 2 and the functional iron frame accessory 4; the handrail reinforcement 2 and the functional iron frame accessory 4 are fixedly connected by fasteners; the functional iron frame accessory 4 has a plate-like structure.

[0043] In this embodiment, an avoidance gap is provided at the connection point between the second installation position 5 and the first installation position 3 .

[0044] The second mounting position 5 is protrudingly arranged on the outer side of the armrest member 1 .

[0045] In this embodiment, two square tube-shaped handrail reinforcement members 2 are provided and are spaced apart on the handrail member 1 , and the plate-shaped functional iron frame accessories 4 are horizontally overlapped on the outer sides of the two handrail reinforcement members 2 .

[0046] In this embodiment, a U-shaped armrest reinforcement 2 is provided on the armrest member 1, and a reinforced end portion is extended at one end of the U-shaped armrest reinforcement 2 to increase the reinforced connection area between the armrest reinforcement 2 and the armrest member 1, thereby improving the strength of the armrest member 1.

[0047] In this embodiment, both ends of the long strip-shaped handrail reinforcement member 2 can be bent to form positioning blocks that are positioned and installed on the first installation position 3 .

[0048] In this embodiment, the fastener is a fastening bolt.

[0049] In this embodiment, the first fixed connection portion 8, the second fixed connection portion 9, and the third fixed connection portion 10 are all screw holes.

[0050] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sofa armrest, comprising a blow-molded armrest member (1), characterized in that: A first mounting position (3) for mounting the armrest reinforcement member (2) is provided on the inner side of the armrest member (1), a positioning assembly portion is provided between the armrest reinforcement member (2) and the first mounting position (3), and the armrest reinforcement member (2) is positioned and mounted at the first mounting position (3) via the positioning assembly portion, so as to increase the torsional and anti-shake strength of the armrest member (1).

2. The sofa armrest according to claim 1, characterized in that: A first mounting position (3) having a groove-shaped structure is provided on the handrail member (1); the handrail reinforcement member (2) is embedded and positioned on the groove-shaped first mounting position (3); and the groove surface of the first mounting position (3) forms a positioning assembly portion between the handrail reinforcement member (2) and the first mounting position (3).

3. The sofa armrest according to claim 2, characterized in that: A first fixed connection portion (8) for installing a fastener is provided between the armrest reinforcement member (2) and the first installation position (3), and the armrest reinforcement member (2) is fixedly installed on the first installation position (3) via the fastener.

4. The sofa armrest according to claim 1, characterized in that: The armrest member (1) is provided with a concave hole (11) for enhancing the bearing capacity of the armrest member (1); one end of the first mounting position (3) is in communication with the concave hole (11).

5. The sofa armrest according to claim 1, characterized in that: A plurality of recessed holes (12) for installing fasteners are provided on the outer side of the armrest member (1), and each recessed hole (12) penetrates both the inner and outer sides of the armrest member (1); and some of the recessed holes (12) are connected to the first installation position (3), so that both the inner and outer sides of the armrest member (1) form installation areas for installing fasteners, and thus fasteners can be installed on both the inner and outer sides of the sofa.

6. A sofa, comprising an iron seat frame, characterized in that: It also includes the sofa armrest according to any one of claims 1 to 5, wherein the sofa armrest is provided with an iron frame seat frame mounting component (13) fixedly connected to the iron frame seat frame.

7. The sofa according to claim 6, characterized in that: The invention also comprises a functional iron frame accessory (4); a second mounting position (5) for mounting the functional iron frame accessory (4) is provided on the handrail member (1); the first mounting position (3) and the second mounting position (5) are arranged on the handrail member (1) in a longitudinal and transverse manner, the first mounting position (3) and the second mounting position (5) are at least partially connected; the handrail reinforcement member (2) and the functional iron frame accessory (4) are correspondingly mounted on the handrail member (1); the functional iron frame accessory (4) at least partially covers the handrail reinforcement member (2); the portion of the functional iron frame accessory (4) covering the handrail reinforcement member (2) is fixedly connected to the handrail reinforcement member (2) so as to lock the handrail reinforcement member (2) on the first mounting position (3) of the handrail member (1).

8. The sofa according to claim 7, characterized in that: The second mounting position (5) is in the shape of a boss, and a folded edge (6) is provided on the functional iron frame accessory (4). The functional iron frame accessory (4) is mounted on the second mounting position (5), and the folded edge (6) abuts against the outer side of the boss-shaped second mounting position (5), so that the functional iron frame accessory (4) is positioned and mounted on the second mounting position (5).

9. The sofa according to claim 8, characterized in that: The second mounting position (5) in the shape of a boss is provided with a stepped limiting portion (7), and the end of the functional iron frame accessory (4) abuts against the stepped limiting portion (7), so that the functional iron frame accessory (4) is limitedly mounted on the stepped limiting portion (7) of the second mounting position (5).

10. The sofa according to claim 9, characterized in that: A second fixed connection portion (9) for mounting a fastener is provided between the functional iron frame accessory (4) and the second mounting position (5), and the functional iron frame accessory (4) is fixedly mounted on the second mounting position (5) via the fastener; a third fixed connection portion (10) for mounting a fastener is provided between the handrail reinforcement member (2) and the functional iron frame accessory (4); the handrail reinforcement member (2) and the functional iron frame accessory (4) are fixedly connected via the fastener; and the functional iron frame accessory (4) is in a plate-like structure.

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