CN220024599U

CN220024599U - Sofa with adjustable backrest

Info

Publication number: CN220024599U
Application number: CN202320706735.0U
Authority: CN
Inventors: 范力扬
Original assignee: Dongguan Youchuang Furniture Co ltd
Current assignee: Dongguan Youchuang Furniture Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-11-17
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a sofa with an adjustable backrest; including sofa body, horizontal migration adjustment mechanism, back angle adjustment mechanism and sofa back, the sofa body includes the keel frame and overlaps the cushion of establishing on the keel frame surface, be equipped with the sliding tray on the keel frame, horizontal migration adjustment mechanism sets up on the keel frame, back angle adjustment mechanism sets up on horizontal migration adjustment mechanism's mobile terminal, sofa back detachable connects on back angle adjustment mechanism. According to the utility model, the horizontal movement adjusting mechanism works to drive the position of the sofa backrest to horizontally move on the sofa body, so that the position of the sofa backrest on the sofa body is changed, and the position of the sofa backrest is driven to adjust the angle through the operation of the backrest adjusting mechanism, so that the sofa backrest is suitable for a user to lean against the sofa, the optimal suitable angle is obtained, and the use comfort is better.

Description

Sofa with adjustable backrest

Technical Field

The utility model belongs to the technical field of furniture, and particularly relates to a sofa with an adjustable backrest.

Background

The origin of the sofa can be traced to ancient Egypt around 2000 before the male element, but the true soft-packed sofa appears from the end of the sixteenth century to the beginning of the seventeenth century. The sofa at present mainly uses natural elastic materials such as horsehair, bird feather, plant fluff and the like as fillers, and the outside is covered by fabrics such as velvet, embroidery and the like to form a soft human body contact surface. Modern living room arrangement is advocated and concise, multifunctional furniture becomes more and more a popular choice, and sofa bed is one of them. It is taught to select a suitable sofa bed. The sofa bed has two functions of sitting and lying, is firm and durable, is beautiful, and has ensured material and technology.

When the sofa is used in daily life, people are used to lie on the sofa or lean against the sofa to carry out leisure and recreation, but the backrest of the existing sofa is fixed when the sofa is used, when children or people with different shapes are encountered, people sit on the sofa and lean against the backrest of the sofa, feet cannot land or be in a hanging state, feet of some people cannot be in an extending state, so that the use feeling is poor when the sofa is used, and the use is influenced, so that the sofa with the adjustable backrest is needed to be provided, and the use of different people is convenient.

Disclosure of Invention

The utility model aims to provide a sofa with an adjustable backrest, which solves the problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a sofa with adjustable back, includes sofa body, horizontal migration adjustment mechanism, back angle adjustment mechanism and sofa back, the sofa body includes the keel frame and overlaps the cushion of establishing on the keel frame surface, be equipped with the sliding tray on the keel frame, horizontal migration adjustment mechanism sets up on the keel frame and horizontal migration adjustment mechanism and sliding tray sliding fit, back angle adjustment mechanism sets up on horizontal migration adjustment mechanism's mobile terminal, back angle adjustment mechanism is located the top of sliding tray, sofa back detachable connects on back angle adjustment mechanism.

Further technical scheme, horizontal migration adjustment mechanism includes and removes seat, movable motor, removal gear, removes tooth groove board and two motor hoops, remove the vertical setting of seat and the bottom of dragon skeleton and the bottom sliding fit of dragon skeleton in the fossil fragments, it is equipped with two limiting plates to remove on the seat, two the limiting plate is located the top and the bottom of sliding tray respectively, movable motor passes through two motor hoops and installs on the lateral wall that removes the seat, movable gear is connected with movable motor's main shaft, it sets up on the dragon skeleton to remove tooth groove board level, it meshes with movable gear to remove tooth groove board.

According to a further technical scheme, two symmetrically arranged sliding grooves are formed in the side wall of the sliding groove, and sliding blocks which are in sliding fit with the two sliding grooves are arranged on the side wall of the movable seat.

According to a further technical scheme, two ends of the movable toothed groove plate are respectively provided with a limiter.

Further technical scheme, back angle adjustment mechanism is including rotating seat, accommodate motor, axis of rotation and rotation mount pad, it sets up at the top of limiting plate to rotate the mount pad level, it is connected with the limiting plate to rotate the mount pad through the bolt, accommodate motor level setting is in rotating the mount pad one end and accommodate motor's main shaft and is connected with the rotation seat transmission, axis of rotation fixed connection is on the other end lateral wall of rotating the mount pad, the axis of rotation is rotated with the rotation seat and is connected, the sofa back passes through the bolt mounting on rotating the mount pad.

Further technical scheme, be equipped with on the sofa body with mobile motor electric connection's first control button, be equipped with on the sofa body with accommodate motor electric connection's second control button.

The utility model has the beneficial effects that:

according to the utility model, when the position of the sofa backrest on the sofa body is regulated, the first control button is pressed down to enable the moving motor to work to drive the moving gear to rotate on the moving toothed groove plate, so that the moving seat is driven to move on the keel frame, the two limiting plates can drive the position of the limiting seat in the moving process, the moving seat can not topple over in the moving process, so that the moving seat is influenced to move, the two sliding blocks move in the two sliding grooves in the moving process, the moving seat is smoother in the moving process, the position of the sofa backrest designed by the moving seat moves in the sliding groove of the sofa body, the sofa backrest is moved to a position which is best suitable for a user, after the sofa backrest moves to a proper position, the first control button is pressed down again to enable the moving motor to stop rotating, when the user is a child, the position of the sofa backrest is moved forwards, feet can touch the ground, the position of the sofa backrest is moved backwards to the proper position when the user is a big person, and the comfort of the user can be improved.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

Fig. 1: the utility model is a schematic three-dimensional structure.

Fig. 2: the utility model is a partial cross-sectional view.

Fig. 3: is a schematic perspective view of the horizontal movement adjusting mechanism.

Fig. 4: is a schematic perspective view of the backrest angle adjusting mechanism.

Reference numerals:

1-a sofa body; 11-dragon skeleton; 12-cushion; 13-sofa legs; 14-a sliding groove; 15-sliding grooves; 2-a horizontal movement adjusting mechanism; 21-a mobile seat; 22-a mobile motor; 23-moving the gear; 24-moving the fluted plate; 25-motor hoops; 26-a slider; 27-limiting plates; 3-a backrest angle adjustment mechanism; 31-a rotating seat; 32-adjusting the motor; 33-rotating shaft; 34-rotating the mount; 4-sofa backrest; 5-limiter.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Please refer to fig. 1-4; the utility model provides a sofa with adjustable back, includes sofa body 1, horizontal migration adjustment mechanism 2, back angle adjustment mechanism 3 and sofa back 4, sofa body 1 includes keel frame 11 and cushion 12, keel frame 11's bottom is equipped with four sofa landing legs 13, and four sofa landing legs 13 can be used for the support to sofa body 1, cushion 12 is located keel frame 11 and cushion 12 wraps keel frame 11, be equipped with sliding tray 14 on keel frame 11, horizontal migration adjustment mechanism 2 sets up on keel frame 11 and horizontal migration adjustment mechanism 2 and sliding tray 14 sliding fit, back angle adjustment mechanism 3 sets up on horizontal migration adjustment mechanism 2's removal end, back angle adjustment mechanism 3 is located the top of sliding tray 14, sofa back 4 detachable connects on back angle adjustment mechanism 3.

Working principle: when the sofa is used, a user can adjust the horizontal moving distance of the sofa backrest 4 according to the use requirement, at the moment, the horizontal moving adjusting mechanism 2 can be controlled to work to drive the position of the sofa backrest 4 to horizontally move on the sofa body 1, so that the position of the sofa backrest 4 on the sofa body 1 is changed, the user can use the sofa better, the backrest adjusting mechanism works to drive the position of the sofa backrest 4 to adjust the angle, so that the user can lean against the sofa to obtain the best suitable angle, and the use comfort is better.

In this embodiment, referring to fig. 2 and 3, the horizontal movement adjusting mechanism 2 includes a movement seat 21, a movement motor 22, a movement gear 23, a movement gear plate 24 and two motor hoops 25, the movement seat 21 is vertically disposed in the keel frame 11, the bottom of the keel frame 11 is in sliding fit with the bottom of the keel frame 11, two limiting plates 27 are disposed on the movement seat 21, the two limiting plates 27 are respectively disposed at the top and bottom of the sliding groove 14, the movement motor 22 is mounted on the side wall of the movement seat 21 through the two motor hoops 25, the two motor hoops 25 are used for fixing the movement motor 22, the movement gear 23 is connected with the main shaft of the movement motor 22, the movement gear plate 24 is horizontally disposed on the keel frame 11, the movement gear plate 24 is meshed with the movement gear 23, two ends of the movement gear plate 24 are respectively provided with a limiter 5, the limiter 5 is electrically connected with the movement motor 22, and when the movement seat 21 moves left and right and touches the two limiters 5, the movement motor 22 is controlled to stop rotating when the movement seat 21 contacts the two limiters, and the movement seat is adjusted to the two limit positions of the backrest 4 are adjusted to the two limit positions; two symmetrically arranged sliding grooves 15 are arranged in the side wall of the sliding groove 14, and sliding blocks 26 which are in sliding fit with the two sliding grooves 15 are arranged on the side wall of the movable seat 21.

More specifically, when the position of the sofa backrest 4 on the sofa body 1 is adjusted, the first control button is pressed to enable the moving motor 22 to work to drive the moving gear 23 to rotate on the moving toothed groove plate 24, so that the moving seat 21 is driven to move on the keel frame 11, the two limiting plates 27 can drive the position of the limiting seat in the moving process, the moving seat 21 cannot topple over in the moving process to affect the movement of the sofa backrest 4, the two sliding blocks 26 move in the two sliding grooves 15 in the moving process to enable the moving seat 21 to move more smoothly in the moving process, the position of the moving seat 21 moves in the sliding groove 14 on the sofa body 1, the sofa backrest 4 is moved to a position which is best suitable for a user, after the moving to a proper position, the first control button is pressed again to enable the moving motor 22 to stop rotating, the position of the sofa backrest 4 to move forwards, the feet of the user can be touched, the position of the sofa backrest 4 can be touched to the ground, and the user can touch the ground conveniently when the position of the sofa backrest is touched to the ground.

In this embodiment, referring to fig. 4, the backrest angle adjusting mechanism 3 includes a rotating seat 31, an adjusting motor 32, a rotating shaft 33 and a rotating mounting seat 34, the rotating mounting seat 34 is horizontally disposed at the top of the limiting plate 27, the rotating mounting seat 34 is connected with the limiting plate 27 through a bolt, the adjusting motor 32 is horizontally disposed at one end in the rotating mounting seat 34, and a spindle of the adjusting motor 32 is in transmission connection with the rotating seat 31, the rotating shaft 33 is fixedly connected to the outer side wall of the other end of the rotating mounting seat 34, the rotating shaft 33 is in rotational connection with the rotating seat 31, and the sofa backrest 4 is mounted on the rotating mounting seat 34 through a bolt.

When the angle of the sofa backrest 4 is adjusted, the second control button is pressed down, so that the adjusting motor 32 works to drive the rotating seat 31 to rotate on the rotating mounting seat 34 through the rotating shaft 33, the angle of the rotating seat 31 is driven to rotate, the rotating seat 31 is adjusted to drive the position of the sofa backrest 4 to rotate, when the sofa backrest 4 is adjusted to the optimal angle suitable for a user, the adjusting motor 32 stops rotating under the control of the second control button, and at the moment, the optimal lying angle of the user is changed between the sofa backrest 4 and the sofa body 1, so that the use feeling and the comfort degree of the user are better.

In this embodiment, a first control button electrically connected to the mobile motor 22 is disposed on the sofa body 1, and a second control button electrically connected to the adjusting motor 32 is disposed on the sofa body 1; when the sofa backrest 4 is used, a user can control the mobile motor 22 to work to drive the sofa backrest 4 to horizontally move by pressing the first control button downwards, and can control the adjusting motor 32 to work to drive the angle of the sofa backrest 4 to adjust by pressing the second control button downwards, so that the sofa backrest is convenient for the user to use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A sofa with an adjustable backrest, characterized in that: including sofa body (1), horizontal migration adjustment mechanism (2), back angle adjustment mechanism (3) and sofa back (4), sofa body (1) are established at cushion (12) on fossil fragments frame (11) surface including fossil fragments frame (11) and cover, be equipped with sliding tray (14) on fossil fragments frame (11), horizontal migration adjustment mechanism (2) set up on fossil fragments frame (11) and horizontal migration adjustment mechanism (2) and sliding tray (14) sliding fit, back angle adjustment mechanism (3) set up on the mobile terminal of horizontal migration adjustment mechanism (2), back angle adjustment mechanism (3) are located the top of sliding tray (14), sofa back (4) detachable connect on back angle adjustment mechanism (3).

2. The back adjustable sofa of claim 1, wherein: horizontal migration adjustment mechanism (2) are including removing seat (21), removal motor (22), removal gear (23), remove fluted plate (24) and two motor hoops (25), remove seat (21) vertical setting and the bottom sliding fit of fossil fragments frame (11) in fossil fragments frame (11), be equipped with two limiting plates (27) on removing seat (21), two limiting plates (27) are located the top and the bottom of sliding tray (14) respectively, install on the lateral wall of removing seat (21) through two motor hoops (25) removal motor (22), the main shaft connection of removal gear (23) and removal motor (22), remove fluted plate (24) level setting on fossil fragments frame (11), remove fluted plate (24) and remove gear (23) meshing.

3. The back adjustable sofa of claim 2, wherein: two symmetrically arranged sliding grooves (15) are arranged in the side wall of the sliding groove (14), and sliding blocks (26) which are in sliding fit with the two sliding grooves (15) are arranged on the side wall of the movable seat (21).

4. The back adjustable sofa of claim 2, wherein: two ends of the movable tooth groove plate (24) are respectively provided with a limiter (5).

5. The back adjustable sofa of claim 2, wherein: the backrest angle adjusting mechanism (3) comprises a rotating seat (31), an adjusting motor (32), a rotating shaft (33) and a rotating installation seat (34), wherein the rotating installation seat (34) is horizontally arranged at the top of a limiting plate (27), the rotating installation seat (34) is connected with the limiting plate (27) through bolts, the adjusting motor (32) is horizontally arranged at one end in the rotating installation seat (34) and is in transmission connection with the rotating seat (31) through a spindle of the adjusting motor (32), the rotating shaft (33) is fixedly connected to the outer side wall of the other end of the rotating installation seat (34), the rotating shaft (33) is rotationally connected with the rotating seat (31), and the sofa backrest (4) is installed on the rotating installation seat (34) through bolts.

6. The back adjustable sofa of claim 5, wherein: the sofa body (1) is provided with a first control button electrically connected with the mobile motor (22), and the sofa body (1) is provided with a second control button electrically connected with the adjusting motor (32).