CN111887653A

CN111887653A - Mechanical stretching device of zero-wall imperial concubine chair and imperial concubine chair

Info

Publication number: CN111887653A
Application number: CN202010894789.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Elephant Intelligent Manufacturing Co ltd
Current assignee: Jiangsu Elephant Intelligent Manufacturing Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-11-06
Also published as: WO2022041467A1

Abstract

The invention discloses a mechanical stretching device of a zero-wall high-ranked imperial concubine chair and a high-ranked imperial concubine chair, which comprise a base, wherein a leg frame and a back frame are arranged on the base, the leg frame is horizontally movably connected with the base, one end of the back frame is rotatably connected with the leg frame, a linkage bracket is arranged between the back frame and the base, two ends of the linkage bracket are respectively hinged with the back frame and the base, the linkage bracket is positioned at the rear side of the leg frame, a cushion is arranged on the leg frame, the cushion extends backwards from the front side of the leg frame to a compensation space of the back frame, a backrest is arranged on a backrest connecting frame, and the backrest extends downwards from the top to the upper surface contacting with the cushion. And when the backrest is laid flat and the angle is adjusted, no suspension gap is formed between the backrest and the cushion all the time, so that the backrest is more comfortable.

Description

Mechanical stretching device of zero-wall imperial concubine chair and imperial concubine chair

Technical Field

The invention belongs to the field of chairs, and particularly relates to a mechanical stretching device of a wall-free imperial concubine chair and the imperial concubine chair.

Background

With the development of society, the pursuit of people for quality of life is continuously increasing. For the choice of furniture, consumers have been limited to more than a single function, and it is more than the desire to maximize the utilization of furniture, which is a modern thinking. Such as chairs or sofas, consumers are more pursuing comfort, such as the ability to provide reading, lying down, and other functions in multiple modes of use, and with the development of the sofa, some functional sofas are available in the market, but these sofas still have shortcomings in the multi-mode use, such as being unable to conveniently switch between the modes when placed against a wall.

If the angle of the backrest is required to be adjusted when the backrest is close to the wall, the backrest can invade into the space of the wall and is not easy to fall down; in the seat which can be adjusted in the prior art, if the angle between the seat cushion 6 and the backrest 7 is increased when the backrest is laid down, but when the angle between the seat cushion 6 and the backrest 7 is decreased when the seat cushion is erected, a large fold is inevitably formed at the joint of the seat cushion 6 and the backrest 7, as shown in fig. 9, which also limits the adjustment angle of the seat cushion and the backrest, and particularly for the seat cushion and the backrest with the thickness of more than 15cm, the problem is more obvious; if the cushion and the backrest are split, when the backrest is laid down, a larger suspension gap can be formed between the backrest and the cushion.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the sofa backrest which can not encroach to the rear side when the angle is adjusted, namely, the sofa can be placed by a wall, the angle of the backrest can be adjusted freely after the sofa is placed, and the sofa backrest has a simple structure and high reliability.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mechanical stretching device of zero wall high-ranked imperial concubine chair, includes the base, is provided with shank frame and back frame on the base, the shank frame is connected with base horizontal migration, back frame one end is rotated with the shank frame and is connected, be provided with the linkage support between back frame and the base, the both ends of linkage support are articulated with back frame and base respectively, and the linkage support is located the rear side of shank frame.

And a backrest connecting frame is arranged above the hinging point of the back frame corresponding to the linkage support.

Furthermore, the middle part of the back frame is bent backwards, and a compensation space is formed between the extension line of the backrest connecting frame and the back frame.

Further, a driving mechanism is arranged between the base and the leg frame.

Further said drive mechanism comprises a linear motor.

Further be provided with the gyro wheel on the shank frame, be provided with the track on the base, the gyro wheel is arranged and is rolled on the track.

Further be provided with the slider on the shank frame, be provided with the slide rail on the base, the shank frame passes through slider, slide rail and base sliding connection.

The utility model provides a zero is by wall high-ranked imperial concubine chair, is provided with the cushion on the shank frame, the cushion extends to the compensation space of back frame behind by the preceding side direction of shank frame in, be provided with the back on the back link, the back is by the upper surface of top downwardly extending to contact cushion.

Furthermore, the backrest is detachably connected with the backrest connecting frame.

Further, the thicknesses of the cushion and the backrest are both larger than 15 cm.

Compared with the prior art, the invention has the beneficial effects that:

1. the back frame, the leg frame and the linkage support are hinged, so that the rear space is not occupied in the angle adjustment process of the back frame, and the rear side of the whole high-ranked imperial concubine chair is directly arranged against a wall;

2. the middle part of the back frame is bent backwards to form a compensation space, so that when the sofa is completely unfolded, namely the backrest is completely laid flat, the part of the cushion, which is positioned in the compensation space, can extend out from the lower part of the backrest without a gap between the backrest and the cushion; when the backrest is at other angles, no gap is formed between the backrest and the seat cushion; when the backrest is folded, namely when the backrest is erected, the cushion can be just hidden in the compensation space below the backrest;

3. the backrest of the invention can be disassembled.

Drawings

FIG. 1 is a perspective view of the back frame of the mechanical stretching apparatus of the present invention when erected;

FIG. 2 is a front view of the back frame of the mechanical stretching apparatus of the present invention when it is erected;

FIG. 3 is a perspective view of the back frame of the mechanical stretching apparatus of the present invention when laid flat;

FIG. 4 is a front view of the chair back of the zero-wall chaise longue of the present invention when it is erected;

FIG. 5 is a front elevational view of the back portion of the zero-wall chaise longue of the present invention, as inclined;

FIG. 6 is a front view of the zero-wall chaise longue with its back resting flat;

FIG. 7 is a perspective view of the chair with armrest and upright backrest for high-ranked imperial concubine;

FIG. 8 is a perspective view of the zero-wall chaise longue of the present invention with the armrest and the backrest flat;

fig. 9 is a schematic view of a sofa with an adjustable backrest angle according to the prior art.

Reference numerals: 1. a base; 2. a leg frame; 3. a back frame; 31. a backrest connecting frame; 32. a compensation space; 4. a linkage bracket; 5. a linear motor; 6. a cushion; 7. a backrest; 81. a first hinge point; 82. a second hinge point; 83. a third hinge point; 9. a handrail.

Detailed Description

The mechanical stretching device of the zero-wall chaise lounge and the embodiment of the zero-wall chaise lounge of the invention are further explained with reference to fig. 1 to 8.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The utility model provides a mechanical stretching device of zero wall high-ranked imperial concubine chair, includes base 1, is provided with shank frame 2 and back frame 3 on the base 1, shank frame 2 is connected with 1 horizontal migration of base, 3 one ends of back frame are rotated with shank frame 2 and are connected, be provided with linkage support 4 between back frame 3 and the base 1, the both ends of linkage support 4 are articulated with back frame 3 and base 1 respectively, and linkage support 4 is located the rear side of shank frame 2.

As shown in fig. 1 to 3, the rear side in the present embodiment refers to the side against the wall, i.e., the left side in fig. 2, and the front side refers to the right side.

As shown in fig. 2, the hinge point of the back frame 3 and the linking bracket 4 is referred to as a first hinge point 81, the hinge point of the linking bracket 4 and the base 1 is referred to as a second hinge point 82, the hinge point of the back frame 3 and the leg frame 2 is referred to as a third hinge point 83, and the second hinge point 82 is located on the left side of the third hinge point 83 and the second hinge point 82 is located on the left side of the first hinge point 81, so that the body of the back frame 3 is located on the right side of the linking bracket 4.

As shown in fig. 1, at this time, the back frame 3 is in a standing state, when the back frame needs to be placed flat, the leg frame 2 moves rightwards along the horizontal direction, the back frame 3 is driven to move rightwards, and simultaneously, a first hinge point 81 hinged with the linkage bracket 4 moves circularly around a second hinge point 82, so that the inclination angle of the back frame 3 is gradually reduced, and during the placing flat, the topmost end of the back frame 3 does not encroach on the left (encroaches on the space on the rear side), that is, when the back frame is placed against the wall, the back frame 3 can rotate freely; it can also be rotated at will after the backrest 7 is mounted.

In the preferred embodiment, a backrest connecting frame 31 is disposed above the hinge point of the back frame 3 and the linking bracket 4, as shown in fig. 1, in the preferred embodiment, the backrest connecting frame 31 and the back frame 3 are integrated, and is used for mounting the backrest 7.

The middle portion of the back frame 3 is preferably bent backward, and a compensation space 32 is formed between the extension line of the backrest connecting frame 31 and the back frame 3, and the linking bracket 4 may be bent backward at the middle portion as needed in this embodiment so that it does not reach the front of the back frame 3.

As shown in fig. 2 and 4, when the back frame 3 is erected, the backrest connecting frame 31 is generally vertical or at an obtuse angle to the seat cushion 6 so that a person can sit comfortably.

When the back frame 3 is erected (the mechanical stretching device is folded), the compensation space 32 is actually positioned at the rear side of the backrest 7, so that a part of the seat cushion 6 can extend into the compensation space 32 and be hidden under the backrest 7, and when the back frame 3 is laid flat (the mechanical stretching device is unfolded), the seat cushion 6 is gradually moved out of the compensation space 32 to supplement the gap between the backrest 7 and the seat cushion 6.

The preferred shape of the back frame 3 bent backward in this embodiment may be triangular, arc-shaped, or square.

A driving mechanism is preferably disposed between the base 1 and the leg frame 2 in this embodiment, as shown in fig. 1 and fig. 3, the driving mechanism is a linear motor 5 in this embodiment, and the linear motor 5 pushes the leg frame 2 to move back and forth, so as to drive the back frame 3 to stand or lay flat, of course, the driving mechanism may also adopt other manners, such as an electric push rod or a manual adjustment structure.

The preferred leg frame 2 of this embodiment is provided with the gyro wheel, is provided with the track on the base 1, and the gyro wheel is arranged and is rolled on the track, and as shown in fig. 3, the track of this embodiment is C type track, and the gyro wheel card is in the track, and when leg frame 2 front and back horizontal migration, it is more smooth and easy to remove, and the resistance is little.

Certainly, the leg frame 2 can also be connected with the base 1 in the following manner, a sliding block is arranged on the leg frame 2, a sliding rail is arranged on the base 1, and the leg frame 2 is connected with the base 1 in a sliding manner through the sliding block and the sliding rail.

A zero-wall high-ranked imperial concubine chair is characterized in that a seat cushion 6 is arranged on a leg frame 2, the seat cushion 6 extends from the front side of the leg frame 2 to the back side of the leg frame into a compensation space 32 of a back frame 3, a backrest 7 is arranged on a backrest connecting frame 31, and the backrest 7 extends downwards from the top to the upper surface contacting with the seat cushion 6.

The backrest 7 is detachably connected to the backrest connecting frame 31 in the preferred embodiment.

Preferably, the thickness of the cushion 6 and the backrest 7 is more than 15 cm.

As shown in fig. 7 and 8, the present embodiment preferably has a handrail 9 disposed beside the base 1.

By the thicker cushion 6 and the thicker backrest 7, not only can the comfort of a user be ensured, but also when the backrest 7 is erected, part of the cushion 6 can move backwards and be hidden in the compensation space 32, so that wrinkles are prevented; meanwhile, when the backrest 7 is flat, part of the cushion 6 can be moved out of the compensation space 32, so that a gap between the backrest 7 and the cushion 6 is prevented.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a mechanical stretching device of zero wall high-ranked imperial concubine chair which characterized in that: including the base, be provided with shank frame and back frame on the base, the shank frame is connected with base horizontal migration, back frame one end is rotated with the shank frame and is connected, be provided with the linkage support between back frame and the base, the both ends of linkage support are articulated with back frame and base respectively, and the linkage support is located the rear side of shank frame.

2. Mechanical stretching device of zero-wall chaise lounge according to claim 1, characterized in that: and a backrest connecting frame is arranged above the hinging point of the back frame and the linkage support correspondingly.

3. Mechanical stretching device of zero-wall chaise lounge according to claim 2, characterized in that: the middle part of the back frame is bent backwards, and a compensation space is formed between the extension line of the backrest connecting frame and the back frame.

4. Mechanical stretching device of zero-wall chaise lounge according to claim 3, characterized in that: and a driving mechanism is arranged between the base and the leg frame.

5. Mechanical stretching device of zero-wall chaise lounge according to claim 4, characterized in that: the drive mechanism includes a linear motor.

6. Mechanical stretching device of zero-wall chaise lounge according to claim 5, characterized in that: the leg frame is provided with rollers, the base is provided with a track, and the rollers are arranged on the track to roll.

7. Mechanical stretching device of zero-wall chaise lounge according to claim 5, characterized in that: the leg frame is provided with a sliding block, the base is provided with a sliding rail, and the leg frame is connected with the base in a sliding mode through the sliding block and the sliding rail.

8. A zero-wall chaise lounge comprising a mechanical extension device according to claim 6 or 7, wherein: be provided with the cushion on the shank frame, the cushion extends to the compensation space of back frame behind by the preceding side of shank frame in, be provided with the back on the back link, the back is by the upper surface of top downwardly extending to contact cushion.

9. The zero-wall chaise lounge according to claim 8, wherein: the backrest is detachably connected with the backrest connecting frame.

10. The zero-wall chaise lounge according to claim 9, wherein: the thickness of the cushion and the backrest is larger than 15 cm.