阅读说明：本技术 一种能下沉展开的休闲椅骨架及其休闲椅 (Leisure chair framework capable of sinking and unfolding and leisure chair thereof ) 是由 周根富 夏咸庆 张永永 于 2019-12-18 设计创作，主要内容包括：本发明涉及椅子技术领域,具体涉及一种能下沉展开的休闲椅骨架及其休闲椅,包括：驱动组件,其一端连接于椅座骨架的底端,另一端连接于支架的架身上；椅座骨架在驱动组件的驱动下,相对于支架发生转动并下沉或上升的动作；以及腿托骨架,铰接于椅座骨架,其一端固定连接于支架上；通过支架与椅座之间的相对位移,使得腿托骨架相对于椅座骨架发生联动；腿托骨架包括框架以及腿托架,腿托架能够相对于框架进行滑动,以满足不同的舒适坐姿。(The invention relates to the technical field of chairs, in particular to a leisure chair framework capable of sinking and unfolding and a leisure chair thereof, comprising: one end of the driving component is connected with the bottom end of the chair seat framework, and the other end of the driving component is connected with the frame body of the bracket; the seat framework is driven by the driving component to rotate relative to the support and sink or rise; the leg support framework is hinged with the seat framework, and one end of the leg support framework is fixedly connected to the bracket; the leg support framework is linked relative to the seat framework through the relative displacement between the support and the seat; the leg rest framework comprises a frame and a leg bracket, wherein the leg bracket can slide relative to the frame to meet different comfortable sitting postures.)

1. A frame of a leisure chair capable of sinking and unfolding, which is characterized by comprising:

a seat frame (100);

the bottom of the chair back framework (200) is hinged with one end of the chair seat framework (100);

the two sides of the bracket (300) are respectively connected with the two sides of the chair seat framework (100) through the adapter pieces;

one end of the driving component is connected with the bottom end of the chair seat framework (100), and the other end of the driving component is connected with the frame body of the bracket (300); the seat framework (100) rotates and sinks or rises relative to the bracket (300) under the driving of the driving component; and

the leg support framework (400) is hinged with the chair seat framework (100), and one end of the leg support framework is fixedly connected to the bracket (300); the leg rest framework (400) comprises a frame (402) and a leg rest (401), wherein the leg rest (401) can slide relative to the frame (402);

the leg support framework (400) is linked relative to the seat framework (100) through the relative displacement between the support (300) and the seat framework (100); when the leg rest frame (400) is interlocked with respect to the seat frame (100), the leg rest (401) slides with respect to the frame (402).

2. The frame of a sinking and unfolding leisure chair as claimed in claim 1, wherein the driving assembly comprises a first electric push rod (500), the fixed end of the first electric push rod (500) is fixedly connected to the bottom surface of the seat frame (100), and the telescopic end of the first electric push rod is fixedly connected to the frame body of the bracket (300); the linear reciprocating motion of the first electric push rod (500) drives the seat frame (100) to rotate and sink or rise relative to the bracket (300).

3. The framework of a sinking-unfolding leisure chair according to claim 1, further comprising a second electric push rod (600), wherein the telescopic end of the second electric push rod (600) is fixedly connected to the bottom of the chair seat framework (100), and the fixed end of the second electric push rod is fixedly connected to the bottom of the chair back framework (200); the second electric push rod (600) linearly reciprocates to drive the chair back framework (200) to rotate relative to the chair seat framework (100), and the angle formed by the chair back framework (200) and the chair seat framework (100) changes along with the extension and contraction of the second electric push rod (600).

4. The frame of a sinking-unfolding leisure chair according to claim 2, wherein the leg support frame (400) comprises a fixed seat (411), a frame (402), a leg bracket (401), a telescopic connecting rod (404) and a power assembly, the fixed seat (411) is fixedly connected to the bottom of the chair seat frame (100), one end of the frame (402) is hinged on the fixed seat (411), and the power assembly acts on the frame (402); the telescopic connecting rod (404) comprises a first connecting rod (406), a second connecting rod (407) and a third connecting rod (408) which are sequentially hinged, one end of the first connecting rod (406) is connected to the fixed seat (411), one end of the third connecting rod (408) is connected to the leg bracket (401), and a rod body of the second connecting rod (407) is hinged to the frame (402).

5. A sinking and unfolding leisure chair framework according to claim 4, wherein the power assembly comprises a push rod (403), a guide tube (410) and a support member (405), the rod body of the push rod (403) is arranged in the guide tube (410) and can move axially in the guide tube (410), the extending end of the push rod (403) is fixedly connected to the fixed seat (411), one end of the guide tube (410) is fixedly connected to the bracket (300), and the two ends of the support member (405) are respectively hinged to the frame (402) and the guide tube (410).

6. The frame of a sinking-unfolding leisure chair according to claim 5, wherein when the first electric push rod (500) performs linear contraction movement, the chair seat frame (100) rotates and moves downwards relative to the bracket (300) to drive the fixing base (411) to deflect inwards, so that the push rod (403) contracts towards the inside of the guide tube (410), the frame (402) rotates relative to the fixing base (411), the telescopic connecting rod (404) and the frame (402) rotate synchronously and are linked with each other, so that the leg bracket (401) slides relative to the frame (402), and the leg bracket frame (400) is unfolded.

7. A frame of a leisure chair capable of sinking and unfolding according to claim 1, wherein two sides of the bracket (300) are fixedly connected with mounting plates (303) respectively, two ends of the adapter are hinged on the mounting plates (303) and the chair seat frame (100) respectively, and two limiting columns are arranged on the mounting plates (303), and the adapter can swing back and forth between the two limiting columns.

8. A frame of a sinking-unfolding leisure chair according to claim 4, wherein one end of the first connecting rod (406) is hinged to the rotating part (412) of the fixed seat (411), and the other end is hinged to the second connecting rod (407) through a linkage; the second connecting rod (407) is in a shape of a butt hook and comprises a first section and a second section, the length of the first section is shorter than that of the second section, the first section and the second section form an obtuse angle, and one end of the second section is hinged to the third connecting rod (408); one end of the third link (408) is hinged to the leg bracket (401).

9. A sinking and expanding leisure chair framework according to claim 7, characterized in that the adaptor is of inverted Z shape, wherein a section of the folding edge is hinged on the mounting plate (303) and swings along and clings to the plate wall of the mounting plate (303).

10. A leisure chair characterized by comprising the framework of the leisure chair capable of sinking and unfolding according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of chairs, in particular to a leisure chair framework capable of sinking and unfolding and a leisure chair thereof.

Background

The chair is one of the most frequently used articles in daily life, along with the development and progress of the times, people have higher requirements on the functions of the chair, and people are eager to lie on the chair for relaxation and close eyes to nourish spirit when needing to rest after working for a long time so as to improve the working efficiency.

At present, the number of chairs with leg supports is small, and people can only sit but cannot lie on the chair in a lying posture without the leg supports, so that the whole body and mind cannot be relaxed; a small number of chairs with leg supports are provided, the unfolding of the leg supports needs to be driven by a driving piece independently, but a bearing part and a support of the chair are not changed, the design is only for adding the functions of the leg supports, and the requirement of the structure of a human body is not considered, so that a leisure chair capable of enabling the leg supports to be linked with a seat framework is urgently needed in the market.

Disclosure of Invention

The invention aims to provide a leisure chair framework and a leisure chair thereof, wherein the framework is matched with a leisure chair to sink and a leg support is automatically unfolded.

In order to achieve the above object, the main technical solution of the present invention is a frame of a leisure chair capable of sinking and unfolding, comprising:

a chair seat framework;

the bottom of the chair back framework is hinged with one end of the chair seat framework;

the two sides of the bracket are respectively connected with the two sides of the chair seat framework through the adapter pieces;

one end of the driving component is connected with the bottom end of the chair seat framework, and the other end of the driving component is connected with the frame body of the bracket; the seat framework is driven by the driving component to rotate relative to the support and sink or rise; and

the leg support framework is hinged with the seat framework, and one end of the leg support framework is fixedly connected to the bracket; the leg support framework comprises a frame and a leg bracket, and the leg bracket can slide relative to the frame;

the leg support framework is linked relative to the seat framework through the relative displacement between the support and the seat framework; when the leg support framework is linked relative to the seat framework, the leg support framework slides relative to the framework; compared with the existing chair, the leg support framework is added, so that the legs of the human body can be placed conveniently; secondly, the leg support can be unfolded or stored, and does not occupy space; most importantly, the whole chair is linked through a driving component, and the sitting or lying effect can be switched back and forth.

In some examples, the driving assembly comprises a first electric push rod, the fixed end of the first electric push rod is fixedly connected to the bottom surface of the seat framework, and the telescopic end of the first electric push rod is fixedly connected to the bracket body; the first electric push rod linearly reciprocates to drive the seat framework to rotate relative to the support and sink or ascend; only one power source of the first electric push rod is needed, so that the whole chair has the movement effect of sinking, unfolding or rising and containing.

In some examples, the leisure chair framework further comprises a second electric push rod, wherein a telescopic end of the second electric push rod is fixedly connected to the bottom of the chair seat framework, and a fixed end of the second electric push rod is fixedly connected to the bottom end of the chair back framework; the chair back framework is driven to rotate relative to the chair seat framework through the linear reciprocating motion of the second electric push rod, and the angle formed by the chair back framework and the chair seat framework changes along with the extension and retraction of the second electric push rod; the angle between the chair back framework and the chair seat framework is changed, so that the requirements of different people are met.

In some examples, the leg rest framework comprises a fixed seat, a frame, a leg bracket, a telescopic connecting rod and a power assembly, wherein the fixed seat is fixedly connected to the bottom of the seat framework, one end of the frame is hinged to the fixed seat, and the power assembly acts on the frame; the telescopic connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod which are sequentially hinged, one end of the first connecting rod is connected to the fixing seat, one end of the third connecting rod is connected to the leg bracket, and the rod body of the second connecting rod is hinged to the frame.

In some examples, the power assembly comprises a push rod, a guide tube and a support member, wherein a rod body of the push rod is arranged in the guide tube and can move axially in the guide tube, an extending end of the push rod is fixedly connected to the fixed seat, one end of the guide tube is fixedly connected to the bracket, and two ends of the support member are respectively hinged to the frame and the guide tube; the power assembly does not have a self power source, the seat frame and the support are deviated through the driving assembly, and then the push rod and the guide pipe in the power assembly move relatively to stop producing a linkage effect.

In some examples, when the first electric push rod performs the linear contraction motion, the seat skeleton rotates relative to the support and sinks to move, and then the fixing base is driven to deflect inwards, so that the push rod contracts towards the inside of the guide pipe, the frame rotates relative to the fixing base, the telescopic connecting rod and the frame rotate synchronously, and the connecting rods are linked, so that the leg bracket slides relative to the frame, and then the leg supporting skeleton is stretched.

In some examples, two sides of the bracket are respectively fixedly connected with a mounting plate, two ends of the adapter are respectively hinged to the mounting plate and the seat framework, two limiting columns are arranged on the mounting plate, and the adapter can swing back and forth between the two limiting columns; therefore, the swing amplitude of the adapter is partially limited, the offset of the seat frame relative to the support is indirectly limited, and the sinking safety of the seat frame is ensured.

In some examples, one end of the first connecting rod is hinged to the rotating part of the fixed seat, and the other end of the first connecting rod is hinged to the second connecting rod through a linkage piece; the second connecting rod is in a hook-to-hook shape and comprises a first section and a second section, the length of the first section is shorter than that of the second section, the first section and the second section form an obtuse angle, and one end of the second section is hinged to the third connecting rod; one end of the third connecting rod is hinged on the leg bracket; the provision of the second link utilizes the principle of leverage to ensure that the force required to drive the sliding movement of the leg rest relative to the frame is relatively small.

In some examples, the adaptor is inverted Z-shaped, with a length of the flap hinged to the mounting plate to swing along and against the panel wall of the mounting plate.

Also provides a leisure chair, which comprises the leisure chair framework capable of sinking and unfolding.

The invention adopts the technical proposal that when a user lies on the leisure chair, the frame of the leisure chair sinks and expands, only the first motor push rod is needed to be started, the seat frame is displaced relative to the bracket by utilizing the linear motion of the first motor push rod, the rotating part rotates relative to the bracket, so that the seat frame sinks relative to the bracket, because the fixed seat is fixedly arranged at the bottom of the seat frame, the fixed seat and the seat frame synchronously displace relative to the bracket, so as to drive the push rod to shrink towards the guide pipe, the fixed seat also inwards moves under the driving of the push rod, the frame rotates around the rotating point of the fixed seat, the rotating part in the fixed seat synchronously rotates along with the frame, the telescopic connecting rod rotates along with the rotating part, and the first connecting rod, the second connecting rod and the third connecting rod are linked in the rotating process of the telescopic connecting rod, in the rotating process, the angle between the leg support and the bearing framework can be changed at will; in addition, in order to make the lying more comfortable, the second electric push rod can be started, so that the second electric push rod moves in a contraction mode, and the angle between the chair back framework and the chair seat framework is increased.

Drawings

Figure 1 is a schematic structural view of an embodiment of the present invention,

figure 2 is a schematic view of the unfolded structure of the frame of the leisure chair of the embodiment of figure 1,

figure 3 is a side view schematic diagram of the leisure chair of figure 1 with the frame contracted,

figure 4 is a side view of the frame of the leisure chair of figure 1 in a deployed configuration,

FIG. 5 is a schematic view of the leg rest frame of the embodiment of FIG. 1 showing the unfolded structure

In the figure: the chair comprises a seat framework 100, a seat frame 101, a seat mounting plate 102, a chair back framework 200, a support 300, a support main body 301, a support shaft 302, a mounting plate 303, a base 304, a cross column 305, a leg support framework 400, a leg bracket 401, a frame 402, a push rod 403, a telescopic connecting rod 404, a support piece 405, a first connecting rod 406, a second connecting rod 407, a third connecting rod 408, a sliding piece 409, a guide pipe 410, a fixed seat 411, a rotating part 412, a cross beam 413, a first electric push rod 500, a second electric push rod 600 and a connecting piece 700.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.