CN219332254U

CN219332254U - Electric chair with auxiliary standing function

Info

Publication number: CN219332254U
Application number: CN202223604657.8U
Authority: CN
Inventors: 史勰
Original assignee: Jiangyin Huashi Medical Devices Co ltd
Current assignee: Jiangyin Huashi Medical Devices Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-14
Anticipated expiration: 2032-12-31

Abstract

The utility model provides an electric chair with an auxiliary standing function, which comprises a seat frame, wherein a cushion adjusting mechanism is arranged on the seat frame, and the height and the inclination angle of the cushion frame are adjusted; the leg support adjusting mechanism is used for switching the folding and unfolding states of the leg support; the chair back adjusting mechanism is used for adjusting the inclination angle of the chair back; a first driving mechanism driving the cushion adjusting mechanism and the leg rest adjusting mechanism; the second driving mechanism drives the chair back adjusting mechanism; the seat cushion adjusting mechanism and the leg support adjusting mechanism are driven by the first driving mechanism, so that the seat cushion adjusting mechanism can be guaranteed to be lifted up to help a user to stand up, the leg support adjusting mechanism can be in a retracted state, the leg support can not block the user, interference with a standing user can be avoided, and tripping or pushing over of the user is avoided.

Description

Electric chair with auxiliary standing function

Technical Field

The utility model relates to the technical field of electric chairs, in particular to an electric chair with a standing assisting function.

Background

The old person is along with the growth of age, physical function gradually declines, action coordination becomes poor, for example when the old person who is in sitting state needs to rise, because the inconvenient and leg debilitation of hand and foot can lead to rising difficulty, even have certain security risk, therefore it is very necessary to need develop an electric chair that can assist old person to stand, in addition, the electric chair that current assistance was standing can not guarantee when the assistance stands that the leg holds in the palm is the state of retrieving, therefore the leg holds in the palm can block the user for the user is unsteady or stumble.

Disclosure of Invention

The utility model aims to solve the technical problems that the old is difficult to get up, the existing auxiliary standing electric chair cannot ensure that a leg support is in a retracted state when the old stands in an auxiliary mode, so that a user is instable or stumbled.

The technical scheme adopted for solving the technical problems is as follows: an electric chair with an auxiliary standing function comprises a seat frame, wherein a cushion adjusting mechanism is arranged on the seat frame, and the height and the inclination angle of the cushion frame are adjusted; the leg support adjusting mechanism is used for switching the folding and unfolding states of the leg support; the chair back adjusting mechanism is used for adjusting the inclination angle of the chair back; a first driving mechanism driving the cushion adjusting mechanism and the leg rest adjusting mechanism; and the second driving mechanism drives the chair back adjusting mechanism.

Further: the cushion adjusting mechanism comprises a cushion frame and a cushion swing arm; one end of the cushion swing arm is hinged to the seat frame, and the other end of the cushion swing arm is hinged to the bottom of the cushion frame.

Further: the leg support adjusting mechanism comprises two leg supports, each leg support comprises a first push rod, a second push rod, a first connecting rod and a second connecting rod, one end of each first connecting rod is hinged with one end of each first push rod, one end of each second connecting rod is hinged with one end of each second push rod, and the other end of each first push rod is connected with the other end of each second push rod through a supporting plate; the other end of the first connecting rod is hinged to the cushion frame, the upper portion of the second connecting rod is hinged to the cushion frame, the other end of the second connecting rod is hinged to a swinging rod, and the other end of the swinging rod is hinged to a first cross rod.

Further: one end of the first driving mechanism is arranged on the first cross rod, and the other end of the first driving mechanism is arranged on the seat frame.

Further: the chair back adjusting mechanism comprises two turnover frames hinged to the cushion frame, and a second cross rod is hinged to the two turnover frames.

Further: one end of the second driving mechanism is arranged on the second cross rod, and the other end of the second driving mechanism is arranged at the bottom of the cushion frame.

The utility model has the beneficial effects that the cushion adjusting mechanism and the leg support adjusting mechanism are driven by the first driving mechanism, so that the leg support adjusting mechanism can be in a retracted state when the cushion adjusting mechanism is lifted to help a user stand up, thus the leg support can not block the user, can not interfere with a standing user, and can avoid tripping or pushing over the user. Also, when the leg rest is to be unfolded, the cushion adjusting mechanism is in a retracted state, and the two actuating mechanisms are controlled by one set of driving mechanism, so that the condition of interference or collision between the two actuating mechanisms can be completely avoided. The first actuating mechanism drives cushion adjustment mechanism, adjusts the height and the inclination of cushion frame to help the old person to get up, the old person wants to sit down simultaneously also can adjust cushion frame to suitable height and angle, slowly catches the user, helps it slowly down to sit, is suitable for the old person of leg and foot inconvenience.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a cushion frame lifting and tilting structure;

FIG. 2 is a schematic view of the structure of the utility model in normal use;

FIG. 3 is a schematic view of the reclining position with the leg rest open and the chair back down;

FIG. 4 is a schematic view of the chair back in a lying position with the leg rest open and the chair back upright;

FIG. 5 is a top view of the present utility model;

fig. 6 is a schematic diagram of a leg rest configuration.

In the figure, 1, a seat frame, 2, a first driving mechanism, 3, a second driving mechanism, 4, a cushion frame, 5, a cushion swing arm, 6, a first push rod, 7, a second push rod, 8, a first connecting rod, 9, a second connecting rod, 10, a supporting plate, 11, a swing rod, 12, a first cross rod, 13, a roll-over stand, 14 and a second cross rod.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present utility model in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present utility model.

As shown in fig. 1 to 6, the utility model provides an electric chair with a standing assisting function, which comprises a seat frame 1, wherein a cushion adjusting mechanism is arranged on the seat frame 1, and the height and the inclination angle of a cushion frame 4 are adjusted; the leg support adjusting mechanism is used for switching the folding and unfolding states of the leg support; the chair back adjusting mechanism is used for adjusting the inclination angle of the chair back; a first driving mechanism 2 for driving the cushion adjusting mechanism and the leg rest adjusting mechanism; and a second driving mechanism 3 for driving the chair back adjusting mechanism.

The seat cushion adjusting mechanism and the leg support adjusting mechanism are simultaneously driven through the first driving mechanism 2, when the old people want to stand up, the first driving mechanism 2 drives the seat cushion adjusting mechanism to adjust the height and the inclination of the seat cushion frame 4 so as to help the old people get up, and meanwhile, the old people want to sit down to adjust the seat cushion frame 4 to a proper height and an angle so as to slowly catch the user, assist the old people to sit down slowly, and be suitable for the old people with inconvenient legs and feet. The first driving mechanism 2 can drive the leg rest adjusting mechanism to switch the folding and unfolding states of the leg rest; after the user sits, the first driving mechanism 2 drives the leg rest adjusting mechanism, so that the leg rest is switched from the contracted state to the unfolded state; in this patent, cushion adjustment mechanism and leg support adjustment mechanism all lean on first actuating mechanism 2 drive, and the benefit of doing so is, can guarantee that cushion adjustment mechanism lifts up when helping the user to stand up, and leg support adjustment mechanism can be in the state of withdrawal, and the leg just so holds in the palm and just can not block the user, can not take place to interfere with the user of standing, avoids stumbling or the upset of user. Similarly, when the leg rest is to be unfolded, the cushion adjusting mechanism is in a retracted state, and the two actuating mechanisms are controlled by one set of driving mechanism, so that the condition of interference or collision between the two actuating mechanisms can be completely avoided.

The cushion adjusting mechanism comprises a cushion frame 4 and a cushion swing arm 5; one end of the cushion swing arm 5 is hinged to the seat frame 1, and the other end is hinged to the bottom of the cushion frame 4. The leg support adjusting mechanism comprises two leg supports, the leg supports comprise a first push rod 6, a second push rod 7, a first connecting rod 8 and a second connecting rod 9, one end of the first connecting rod 8 is hinged with one end of the first push rod 6, one end of the second connecting rod 9 is hinged with one end of the second push rod 7, and the other end of the first push rod 6 is connected with the other end of the second push rod 7 through a supporting plate 10; the other end of the first connecting rod 8 is hinged to the cushion frame 4, the upper portion of the second connecting rod 9 is hinged to the cushion frame 4, the other end of the second connecting rod 9 is hinged to a swinging rod 11, and the other end of the swinging rod 11 is hinged to a first cross rod 12. One end of the first driving mechanism 2 is provided on the first cross bar 12, and the other end is provided on the seat frame 1.

Because one end of the first driving mechanism 2 is arranged on the first cross rod 12, the other end of the first driving mechanism 2 is arranged on the seat frame 1, the first cross rod 12 is driven to be far away from the seat frame 1, so that the cushion swing arm 5 is driven to rotate around the seat frame 1, the cushion frame 4 is driven to be heightened and inclined at an angle, the cushion adjusting mechanism is required to retract, the first driving mechanism 2 drives the first cross rod 12 to be close to the seat frame 1, after the cushion adjusting mechanism is in a retracted state, the first driving mechanism 2 further drives the first cross rod 12 to be close to the seat frame 1, because one end of the swing rod 11 is hinged with the first cross rod 12, the other end of the swing rod 11 is hinged with the second connecting rod 9, and the upper part of the second connecting rod 9 is hinged with the seat frame 4, so that the second connecting rod 9 is driven to be outwards opened around a hinge point on the seat frame 4, and the first supporting plate 8, the second connecting rod 9, the first pushing rod 6 and the second pushing rod 7 are simultaneously outwards opened through connection of the supporting plate 10, so that the whole leg supporting leg is opened.

The chair back adjusting mechanism comprises two turnover frames 13 hinged on the cushion frame 4, and a second cross rod 14 is hinged on the two turnover frames 13. One end of the second driving mechanism 3 is arranged on the second cross bar 14, and the other end is arranged at the bottom of the cushion frame 4.

Because one end of the second driving mechanism 3 is arranged on the second cross bar 14, and the other end is arranged at the bottom of the cushion frame 4, the second driving mechanism 3 drives the second cross bar 14 to be far away from the bottom of the cushion frame 4, so that the roll-over stand 13 is driven to rotate inwards around the cushion frame 4, the chair back is erected, and when the chair back needs to be put down, the second driving mechanism 3 drives the second cross bar 14 to be close to the bottom of the cushion frame 4, so that the roll-over stand 13 is driven to rotate outwards, and the chair back is put down; in this patent, the first drive mechanism 22 and the second drive mechanism 33 are preferably electrically driven.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. Electric chair with auxiliary standing function, comprising a seat frame (1), characterized in that: the seat frame (1) is provided with

The cushion adjusting mechanism is used for adjusting the height and the inclination angle of the cushion frame (4);

the leg support adjusting mechanism is used for switching the folding and unfolding states of the leg support;

the chair back adjusting mechanism is used for adjusting the inclination angle of the chair back;

a first driving mechanism (2) for driving the cushion adjusting mechanism and the leg rest adjusting mechanism;

and a second driving mechanism (3) for driving the chair back adjusting mechanism.

2. An electric chair with standing assistance as claimed in claim 1, wherein: the cushion adjusting mechanism comprises a cushion frame (4) and a cushion swing arm (5); one end of the cushion swing arm (5) is hinged to the seat frame (1), and the other end of the cushion swing arm is hinged to the bottom of the cushion frame (4).

3. An electric chair with standing assistance as claimed in claim 2, wherein: the leg support adjusting mechanism comprises two leg supports, each leg support comprises a first push rod (6), a second push rod (7), a first connecting rod (8) and a second connecting rod (9), one end of the first connecting rod (8) is hinged with one end of the first push rod (6), one end of the second connecting rod (9) is hinged with one end of the second push rod (7), and the other end of the first push rod (6) is connected with the other end of the second push rod (7) through a supporting plate (10);

the other end of the first connecting rod (8) is hinged to the cushion frame (4), the upper portion of the second connecting rod (9) is hinged to the cushion frame (4), the other end of the second connecting rod (9) is hinged to a swinging rod (11), and the other end of the swinging rod (11) is hinged to a first cross rod (12).

4. A powered chair with standing assist as claimed in claim 3, wherein: one end of the first driving mechanism (2) is arranged on the first cross bar (12), and the other end of the first driving mechanism is arranged on the seat frame (1).

5. An electric chair with standing assistance as claimed in claim 2, wherein: the chair back adjusting mechanism comprises two turnover frames (13) hinged to the cushion frame (4), and a second cross rod (14) is hinged to the two turnover frames (13).

6. An electric chair with standing assistance as claimed in claim 5, wherein: one end of the second driving mechanism (3) is arranged on the second cross bar (14), and the other end of the second driving mechanism is arranged at the bottom of the cushion frame (4).