CN216628020U

CN216628020U - Sofa hinge

Info

Publication number: CN216628020U
Application number: CN202122853462.6U
Authority: CN
Inventors: 文健军
Original assignee: Zhaoqing Gaoyao Xinying Hardware Products Co ltd
Current assignee: Zhaoqing Gaoyao Xinying Hardware Products Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-31
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a sofa hinge which comprises a hinge support, a headrest connecting piece, an elastic lock tooth assembly and a backrest connecting piece, wherein the hinge support comprises two hinge cover plates which are arranged in parallel, and the two hinge cover plates are hinged and fixed through a plurality of connecting columns; the headrest connecting piece comprises fluted discs which are arranged on the two hinge cover plates and are rotationally connected with each other, and connecting plates which are arranged outside the hinge supports and are connected with the sofa headrest; the elastic lock tooth assembly comprises lock plates and reset elastic pieces, the lock plates are arranged in the two hinge cover plates and are rotationally connected, the reset elastic pieces drive the lock plates to reset, and the lock plates are used for being clamped with the fluted disc; the backrest connecting piece comprises a connecting block fixed on the hinge support and a connecting rod used for being inserted into the sofa backrest. The utility model has the advantages of simple structure, easy adjustment and convenient installation and use.

Description

Sofa hinge

Technical Field

The utility model relates to the field of furniture hardware, in particular to a sofa hinge.

Background

One end of the sofa headrest hinge is fixed on the sofa backrest, the other end of the sofa headrest hinge is fixed on the sofa headrest, and the angle of the sofa headrest is changed by pulling the sofa headrest, so that the angle of the sofa headrest is adjusted.

However, the prior art sofa headrest hinges have some disadvantages: the structure is more complicated, difficult to adjust, install and use inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the sofa hinge which is simple in structure, easy to adjust, and convenient to install and use.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a sofa hinge comprises a hinge support, a headrest connecting piece, an elastic lock tooth assembly and a backrest connecting piece, wherein the hinge support comprises two hinge cover plates which are arranged in parallel, and the two hinge cover plates are fixedly hinged through a plurality of connecting columns; the headrest connecting piece comprises fluted discs which are arranged on the two hinge cover plates and are rotationally connected with each other, and connecting plates which are arranged outside the hinge supports and are connected with the sofa headrest; the elastic lock tooth assembly comprises lock plates and reset elastic pieces, the lock plates are arranged in the two hinge cover plates and are rotationally connected, the reset elastic pieces drive the lock plates to reset, and the lock plates are used for being clamped with the fluted disc; the backrest connecting piece comprises a connecting block fixed on the hinge support and a connecting rod used for being inserted into the sofa backrest.

The sofa hinge provided by the embodiment of the utility model at least has the following beneficial effects: hinge bracket is articulated fixedly through two hinge cover boards and a plurality of spliced pole, and the structure is reliable, through setting up fluted disc and the mutual joint of locking plate that two hinge cover board internal rotation are connected, plays the effect of adjusting the connecting plate, and the piece that resets through setting up simultaneously drives the locking plate messenger, and the fluted disc rotates the in-process, and the locking plate is in same position and fluted disc joint all the time. Therefore, the adjustable support has the advantages of simple structure, easy adjustment and convenient installation and use.

According to some embodiments of the utility model, the connecting posts include a first connecting post rotatably connected to the toothed disc, and a second connecting post rotatably connected to the locking plate.

The beneficial results are: the fluted disc and the locking plate are arranged on the connecting column, and the connecting column plays a role in installation while being fixed, so that the structure can be simplified.

According to some embodiments of the utility model, the toothed disc is circular-like, and has a plurality of inclined teeth on one side, and the locking plate has protruding locking teeth cooperating with the inclined teeth.

The beneficial results are: the arrangement is such that the toothed disc can be rotated in one direction and can be depressed again to re-rotate when the range of the helical teeth is exceeded.

According to some embodiments of the present invention, the connecting plate is disposed in parallel outside the hinge cover plate and is fixedly connected to the outer edge of the fluted disc by a plurality of ribs.

The beneficial results are: the connecting plate does not need to be extended very long, and the structure is compact and convenient to adjust.

According to some embodiments of the utility model, a mounting plate is vertically and fixedly connected to one side of the connecting plate, and a mounting hole for connecting and fixing with a headrest is formed in the mounting plate.

The beneficial results are: the installation of the sofa headrest is facilitated by arranging the installation plate and the installation hole.

According to some embodiments of the present invention, the reset spring plate is a V-shaped structure facing the gear plate, the connecting column further includes a third connecting column and a fourth connecting column for mounting the reset spring plate, the third connecting column is disposed at a turning point of the V-shaped structure, the fourth connecting column abuts against a bottom surface of one side of the V-shaped structure, and another side of the V-shaped structure is used for abutting against the lock plate.

The beneficial results are: the reset spring sheet is arranged in such a way, so that the locking plate can be well driven to reset.

According to some embodiments of the utility model, the connecting block is square, two connecting holes are arranged on the connecting block, and the connecting columns further comprise a fifth connecting column and a sixth connecting column for mounting the connecting block.

The beneficial results are: the connecting block is installed like this, and the structure fastening is firm, is difficult for droing.

According to some embodiments of the utility model, the connecting rod comprises a first rod segment and a second rod segment connected vertically, the first rod segment being connected to the connecting block and the second rod segment being adapted to be inserted into a sofa backrest.

The beneficial results are: the connecting rod is divided into two sections, which is beneficial to the positioning and installation of the sofa.

According to some embodiments of the utility model, a washer is sleeved on the second pole segment.

The beneficial results are: the gasket can improve the contact area between the second section rod and the sofa backrest and improve the installation reliability.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the left side of FIG. 1;

fig. 3 is an exploded view of fig. 1.

Reference numerals: hinge cover plate 100, fluted disc 110, connecting plate 120, locking plate 130, reset spring piece 140, connecting block 150, connecting rod 160, first connecting column 170, second connecting column 180, skewed tooth 190, lock tooth 200, rib 210, mounting plate 220, mounting hole 230, third connecting column 240, fourth connecting column 250, connecting hole 260, fifth connecting column 270, sixth connecting column 280, first pole section 290, second pole section 300 and gasket 310.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

A sofa hinge is described in detail below in one specific embodiment with reference to fig. 1-3. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the utility model.

As shown in fig. 1-3, a sofa hinge includes a hinge bracket, a headrest connector, a spring latch assembly, and a backrest connector.

The hinge support comprises two hinge cover plates 100 which are arranged in parallel, and the two hinge cover plates 100 are hinged and fixed through a plurality of connecting columns; the headrest connecting piece comprises a fluted disc 110 which is arranged on the two hinge cover plates 100 and rotationally connected with the two hinge cover plates, and a connecting plate 120 which is arranged outside the hinge support and connected with the sofa headrest; the elastic lock teeth 200 assembly comprises lock plates 130 which are arranged in the two hinge cover plates 100 and are rotationally connected, and reset elastic sheets 140 which drive the lock plates 130 to reset, wherein the lock plates 130 are used for being clamped with the fluted disc 110; the backrest connection member includes a connection block 150 fixed to the hinge bracket, and a connection rod 160 for inserting the backrest of the sofa.

Hinge bracket is articulated fixedly through two hinge cover plate 100 and a plurality of spliced pole, and the structure is reliable, through setting up fluted disc 110 and the mutual joint of locking plate 130 of rotation connection in two hinge cover plate 100, plays the effect of adjusting the connecting plate 120, drives locking plate 130 messenger through setting up the piece that resets simultaneously, and fluted disc 110 rotates the in-process, and locking plate 130 is in same position and fluted disc 110 joint all the time. Therefore, the adjustable support has the advantages of simple structure, easy adjustment and convenient installation and use.

In some embodiments of the present invention, the connecting posts include a first connecting post 170 rotatably connected to the toothed plate 110 and a second connecting post 180 rotatably connected to the locking plate 130. The fluted disc 110 and the locking plate 130 are arranged on the connecting column, and the connecting column plays a role in installation while being fixed, so that the structure can be simplified.

Specifically, the gear plate 110 is similar to a circle, one side of the gear plate is provided with a plurality of inclined teeth 190, and the locking plate 130 is provided with a protruding locking tooth 200 engaged with the inclined teeth 190. This arrangement allows the toothed plate 110 to rotate in one direction and to be depressed to re-rotate when beyond the range of the helical teeth 190.

In addition, the connecting plate 120 is disposed in parallel outside the hinge cover 100 and is fixedly connected to the outer edge of the gear plate 110 via a plurality of ribs 210. The connecting plate 120 is arranged in such a way that the connecting plate does not need to be extended very long, and the structure is compact and convenient to adjust.

A mounting plate 220 is vertically and fixedly coupled to one side of the coupling plate 120, and a mounting hole 230 for coupling and fixing with a headrest is formed in the mounting plate 220. By providing mounting plate 220 and mounting holes 230, the mounting of the sofa headrest is facilitated.

Further, the reset spring plate 140 is a V-shaped structure facing the gear plate 110, the connecting columns further include a third connecting column 240 and a fourth connecting column 250 for mounting the reset spring plate 140, the third connecting column 240 is disposed at the turning point of the V-shaped structure, the fourth connecting column 250 abuts against the bottom surface of one side of the V-shaped structure, and the other side of the V-shaped structure is used for abutting against the locking plate 130. The locking plate 130 can be well driven to reset by the reset spring 140.

It should be noted that the connecting block 150 is square, two connecting holes 260 are formed in the connecting block 150, and the connecting columns further include a fifth connecting column 270 and a sixth connecting column 280 for mounting the connecting block 150. The connecting block 150 is installed in this way, the structure is firm, and the connecting block is not easy to fall off.

It is worth mentioning that the connecting rod 160 comprises a first rod segment 290 and a second rod segment 300 connected vertically, the first rod segment 290 being connected to the connecting block 150, the second rod segment 300 being intended to be inserted into the backrest of the sofa. The connecting rod 160 is designed in two sections to facilitate insertion into the sofa for positioning and installation.

It will be appreciated that the second pole segment 300 is sleeved with a shim 310. The provision of the spacer 310 can increase the contact area between the second rod and the backrest of the sofa, thereby improving the installation reliability.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A sofa hinge, comprising:

the hinge support comprises two hinge cover plates (100) which are arranged in parallel, and the two hinge cover plates (100) are hinged and fixed through a plurality of connecting columns;

the headrest connecting piece comprises fluted discs (110) which are arranged on the two hinge cover plates (100) and are rotationally connected, and a connecting plate (120) which is arranged outside the hinge bracket and is connected with the sofa headrest;

the elastic lock tooth assembly comprises lock plates (130) which are arranged in the two hinge cover plates (100) and rotationally connected, and reset elastic sheets (140) which drive the lock plates (130) to reset, wherein the lock plates (130) are used for being clamped with the fluted disc (110);

the backrest connecting piece comprises a connecting block (150) fixed on the hinge bracket and a connecting rod (160) inserted into the sofa backrest.

2. The sofa hinge according to claim 1, wherein the connecting posts comprise a first connecting post (170) rotatably connected to the gear plate (110), and a second connecting post (180) rotatably connected to the locking plate (130).

3. The sofa hinge according to claim 2, wherein the toothed disc (110) is circular-like, having a plurality of inclined teeth (190) on one side, and the locking plate (130) has protruding locking teeth (200) cooperating with the inclined teeth (190).

4. The sofa hinge according to claim 3, wherein the connecting plate (120) is disposed in parallel outside the hinge cover (100) and is fixedly connected to the outer edge of the gear plate (110) by a plurality of ribs (210).

5. The sofa hinge according to claim 4, wherein a mounting plate (220) is vertically and fixedly connected to one side of the connecting plate (120), and the mounting plate (220) is provided with a mounting hole (230) for connecting and fixing with a sofa headrest.

6. The sofa hinge according to claim 3, wherein the reset spring (140) is a V-shaped structure facing the gear plate (110), the connecting columns further comprise a third connecting column (240) and a fourth connecting column (250) for mounting the reset spring (140), the third connecting column (240) is disposed at a turning point of the V-shaped structure, the fourth connecting column (250) abuts against a bottom surface of one side of the V-shaped structure, and the other side of the V-shaped structure is used for abutting against the locking plate (130).

7. The sofa hinge according to claim 1, wherein the connecting block (150) is square, two connecting holes (260) are provided on the connecting block (150), and the connecting columns further comprise a fifth connecting column (270) and a sixth connecting column (280) for mounting the connecting block (150).

8. The sofa hinge according to claim 1, wherein the connecting rod (160) comprises a first rod segment (290) and a second rod segment (300) connected vertically, the first rod segment (290) being connected to the connecting block (150), the second rod segment (300) being adapted to be inserted into a sofa backrest.

9. The sofa hinge according to claim 8, wherein the second rod segment (300) is sleeved with a spacer (310).