CN210383335U

CN210383335U - Sofa hinge

Info

Publication number: CN210383335U
Application number: CN201921346826.8U
Authority: CN
Inventors: 余孝军; 薛坤伦
Original assignee: Chengdu Antai Dingxin Machinery Manufacturing Co Ltd
Current assignee: Chengdu Antai Dingxin Machinery Manufacturing Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-24
Anticipated expiration: 2029-08-20

Abstract

The utility model belongs to the technical field of furniture accessory, especially, be a sofa hinge, can not carry out the problem of unified connection with sofa and sofa extension part to current sofa hinge, the scheme is as follows now put forward, its head rod and the second connecting rod that includes the level setting, the front side rotation of head rod is connected with the bottom of first rocker and the bottom of second rocker, the bottom of first rocker and the top of second rocker all rotate with the front side of second connecting rod and be connected, the front side of first rocker and the front side of second rocker all weld the spring pin, and two spring pins go up the activity and hang and be equipped with same spring, the spring is located between head rod and the second connecting rod, the top of first rocker rotates the one end that is connected with the third connecting rod. The utility model has the advantages of reasonable design, effectively improved the connection performance of hinge and sofa bedstead, and made things convenient for the sofa to extend and receive and fold the processing, the adjustment is convenient, does benefit to the use.

Description

Sofa hinge

Technical Field

The utility model relates to a furniture accessory technical field especially relates to a sofa hinge.

Background

Modern living rooms are popular, and more multifunctional furniture is popular. In the small-sized family, the sofa bed can be used as a sofa at ordinary times, and can be used as a bed when visitors need to stay. Through retrieval, chinese patent with publication number CN205244111U discloses a hinge for a sofa bed, comprising a fixed rod, a first rocking bar, a second rocking bar, a swinging rod, a first connecting rod and a second connecting rod; the fixing rod is used for fixing a position; two ends of the fixed rod are respectively hinged with the bottom ends of the first rocker and the second rocker; the middle parts of the first rocker and the second rocker are respectively hinged with two ends of a swinging rod; the top ends of the first rocker and the second rocker are respectively hinged with a first connecting rod and a second connecting rod; the first connecting rod is hinged with the second connecting rod. The fixing rod, the first rocker, the second rocker and the swinging rod form a plane four-bar mechanism, and the fixing rod is fixed to enable the first rocker and the second rocker to swing within a certain angle, so that different included angles are formed between the first connecting rod and the second connecting rod. The first connecting rod and the second connecting rod are arranged on the first rocking rod and the second rocking rod, so that the connection performance of the hinge and the sofa bed frame is improved.

However, the design has disadvantages, the sofa hinge is only suitable for the most common sofa, and the existing sofa is mostly provided with an independent extension part, so that the existing sofa hinge cannot be perfectly connected with the extension part of the sofa, and the using effect is affected, and therefore, the sofa hinge is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect that the existing sofa hinge can not uniformly connect the sofa and the sofa extension part, and providing the sofa hinge.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sofa hinge comprises a first connecting rod and a second connecting rod which are horizontally arranged, wherein the front side of the first connecting rod is rotatably connected with the bottom end of a first rocker and the bottom end of a second rocker, the bottom end of the first rocker and the top end of the second rocker are rotatably connected with the front side of the second connecting rod, spring nails are welded on the front side of the first rocker and the front side of the second rocker, the same spring is movably hung on the two spring nails, and the spring is positioned between the first connecting rod and the second connecting rod;

the top of the first rocker is rotatably connected with one end of a third connecting rod, the other end of the third connecting rod is rotatably connected with a fixed support, the top of the outer side of the fixed support is rotatably sleeved with a rotating seat, and the top side of the rotating seat is welded with an ear plate.

Preferably, rotate the seat and be U type structure, the inboard welding that rotates the seat has the both ends of circle axle, the fixed bolster rotates the cover and establishes the outside at the circle axle, circular pilot hole has all been seted up to the top both sides of otic placode, rotates the seat and can support the right side top position at the fixed bolster, avoids the otic placode to be pressed the deformation.

Preferably, the front side of the first connecting rod, the front side of the second connecting rod and the rear side of the fixed support are welded with positioning shafts, and the first rocker, the second rocker and the third connecting rod are respectively rotatably sleeved on the corresponding positioning shafts, so that the rotary connection relationship among the rods is conveniently realized.

Preferably, a plurality of bolt assembly holes are formed in the front side of the first connecting rod and the front side of the second connecting rod and used for assembling screws.

Preferably, the first rocker and the third connecting rod are both arranged in a bent mode, the bending angle of the first rocker and the bending angle of the third connecting rod are 10-15 degrees, and the second rocker is of an arc-shaped structure, so that the spring can be stretched and lengthened when the first rocker and the second rocker swing.

In the utility model, the first connecting rod is fixed on the sofa bed frame, the second connecting rod is connected with the bed frame, the extending part of the sofa is fixed on the ear plate, when the bed frame is turned, the first connecting rod and the second connecting rod drive the first rocker and the second rocker to swing, and the hinge automatically changes the angle to the required position under the action of the spring;

in the utility model, when the third connecting rod is unfolded, the fixed support can prop against the supporting surface, part of the length of the sofa extension part can be put on the second connecting rod, and the sofa extension part can be fixed on the second connecting rod by using a screw or other buckle parts; when the third connecting rod is folded, the fixed support can be inserted in the front part of the first connecting rod, and the sofa extension part can be folded and placed at one side part of the first connecting rod and the second connecting rod, so that the whole sofa has an extension function and the length can be adjusted at will;

the utility model has the advantages of reasonable design, effectively improved the connection performance of hinge and sofa bedstead, and made things convenient for the sofa to extend and receive and fold the processing, the adjustment is convenient, does benefit to the use.

Drawings

Fig. 1 is a schematic structural view of a sofa hinge provided by the present invention;

fig. 2 is a schematic perspective view of a connecting member between a rotating seat and an ear plate of a sofa hinge according to the present invention;

fig. 3 is a schematic perspective view of a positioning shaft of a sofa hinge according to the present invention;

fig. 4 is a schematic structural view of the sofa hinge according to the present invention in a folded state.

In the figure: the device comprises a first connecting rod 1, a second connecting rod 2, a first rocker 3, a second rocker 4, a spring nail 5, a positioning shaft 6, a third connecting rod 7, a fixing support 8, a rotating seat 9, an ear plate 10, a spring 11, a bolt assembling hole 12, a circular shaft 13 and a circular assembling hole 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a sofa hinge comprises a first connecting rod 1 and a second connecting rod 2 which are horizontally arranged, wherein the front side of the first connecting rod 1 is rotatably connected with the bottom end of a first rocker 3 and the bottom end of a second rocker 4, the bottom end of the first rocker 3 and the top end of the second rocker 4 are rotatably connected with the front side of the second connecting rod 2, spring nails 5 are welded on the front side of the first rocker 3 and the front side of the second rocker 4, the same spring 11 is movably hung on the two spring nails 5, and the spring 11 is positioned between the first connecting rod 1 and the second connecting rod 2;

wherein, the top of first rocker 3 rotates the one end that is connected with third connecting rod 7, and the other end of third connecting rod 7 rotates and is connected with fixed bolster 8, and the outside top of fixed bolster 8 is rotated the cover and is equipped with and rotates seat 9, and the top side welding of rotating seat 9 has otic placode 10.

The utility model discloses in, rotate seat 9 and be U type structure, the inboard welding that rotates seat 9 has the both ends of circle axle 13, and fixed bolster 8 rotates the cover and establishes in the outside of circle axle 13, and circular pilot hole 14 has all been seted up to the top both sides of otic placode 10, rotates seat 9 and can support the right side top position at fixed bolster 8, avoids otic placode 10 to be pressed to deform.

The utility model discloses in, the location axle 6 has all been welded to the front side of head rod 1, the front side of second connecting rod 2 and the rear side of fixed bolster 8, and first rocker 3, second rocker 4 and third connecting rod 7 rotate the cover respectively and establish on corresponding location axle 6, conveniently realize the rotation relation of connection between each pole.

The utility model discloses in, a plurality of bolt pilot holes 12 have all been seted up to the front side of head rod 1 and the front side of second connecting rod 2 for assembly screw.

The utility model discloses in, first rocker 3 and third connecting rod 7 are the setting of buckling, and the angle of buckling of first rocker 3 and third connecting rod 7 is 10-15, and second rocker 4 is convex structure for spring 11 can be elongated by tensile when first rocker 3 and the swing of second rocker 4.

In the utility model, when in use, the first connecting rod 1 is fixed on the sofa bed frame, the second connecting rod 2 is connected with the bed frame, the extending part of the sofa is fixed on the ear plate 10, when the bed frame is turned, the first connecting rod 1 and the second connecting rod 2 drive the first rocker 3 and the second rocker 4 to swing, under the action of the spring 11, the hinge automatically changes the angle to the required position, and when the third connecting rod 7 is unfolded (as shown in figure 1), the fixed bracket 8 can be propped against the supporting surface, a part of the length of the sofa extending part can be put on the second connecting rod 2, and the sofa extending part can be fixed on the second connecting rod 2 by using screws or other buckle parts; when the third connecting rod 7 is folded (as shown in fig. 4), the fixing bracket 8 can be inserted in the front of the first connecting rod 1, and at the same time, the sofa extension component can be folded and placed at one side of the first connecting rod 1 and the second connecting rod 2, so that the whole sofa has an extension function, the length can be adjusted at will, and the sofa is convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sofa hinge comprises a first connecting rod (1) and a second connecting rod (2) which are horizontally arranged, and is characterized in that the front side of the first connecting rod (1) is rotatably connected with the bottom end of a first rocker (3) and the bottom end of a second rocker (4), the bottom end of the first rocker (3) and the top end of the second rocker (4) are rotatably connected with the front side of the second connecting rod (2), spring nails (5) are welded on the front side of the first rocker (3) and the front side of the second rocker (4), the two spring nails (5) are movably hung with one spring (11), and the spring (11) is positioned between the first connecting rod (1) and the second connecting rod (2);

the top of first rocker (3) rotates the one end that is connected with third connecting rod (7), the other end of third connecting rod (7) rotates and is connected with fixed bolster (8), the outside top of fixed bolster (8) is rotated the cover and is equipped with and rotates seat (9), the top side welding of rotating seat (9) has otic placode (10).

2. The sofa hinge according to claim 1, wherein the rotating seat (9) is a U-shaped structure, two ends of a round shaft (13) are welded to the inner side of the rotating seat (9), the fixed bracket (8) is rotatably sleeved on the outer side of the round shaft (13), and circular assembling holes (14) are formed in two sides of the top of the ear plate (10).

3. The sofa hinge according to claim 1, wherein the positioning shafts (6) are welded on the front side of the first connecting rod (1), the front side of the second connecting rod (2) and the rear side of the fixing bracket (8), and the first rocker (3), the second rocker (4) and the third connecting rod (7) are respectively rotatably sleeved on the corresponding positioning shafts (6).

4. The sofa hinge according to claim 1, characterized in that the front side of the first connecting rod (1) and the front side of the second connecting rod (2) are opened with a plurality of bolt assembling holes (12).

5. The sofa hinge according to claim 1, wherein the first rocker (3) and the third connecting rod (7) are both arranged in a bent manner, the bending angles of the first rocker (3) and the third connecting rod (7) are both 10-15 degrees, and the second rocker (4) is in a circular arc structure.