TWM626865U - Seat chair with standing assist function - Google Patents

Abstract

A seat with a standing assist function includes a base unit and an auxiliary unit. The base unit includes a frame body and a tripod body. The auxiliary unit includes an active member pivoted on the base unit and capable of swinging under force, a driven member pivoted on the base unit and suitable for carrying a buttocks, and a movably connected to the active member Linkage with the follower. Relative to the base unit, the auxiliary unit is in a sitting position in which the driving element is not forced to swing without interlocking the linkage body and the driven element is horizontal, and a driving element is forced to swing to interlock the interlocking body body and the follower is inclined to change between the rising positions. With the arrangement of the auxiliary unit, the seat can apply a thrust force to the buttocks inclining upward during the process of the occupant changing from a sitting position to a standing position, so as to help the occupant stand up.

Description

Seat with standing assist function

The new model relates to a seat, in particular to a seat with a standing assist function.

An average person sits on a chair with the thigh and calf bent at a near-vertical angle. However, this is not conducive to directly changing to a standing posture. Therefore, in the normal standing process, in addition to relying on the legs to exert force, it is also necessary to Use some body movements to assist, such as bending the upper part of the body forward, so that the center of gravity of the body is directly above the feet, and the support of the hands can also be used to increase the strength required to stand up.

However, for the elderly, the infirm, or the disabled with hands and feet and other people with insufficient support, due to factors such as degeneration, damage or illness, the waist, buttocks or legs will not be affected when they directly change from a sitting position to a standing position. Unable to generate enough strength, even with the help of the upper body leaning forward or the support of the hands, it is difficult to stand on its own strength, so it is often necessary to rely on external assistance such as others or other electric control to successfully complete the sitting posture - getting up - standing posture, etc. A series of posture transformations often require considerable support force, so it is yet to be developed by the industry to assist in getting up, so as to reduce the burden on oneself or the outside world.

Therefore, the object of the present invention is to provide a seat with a standing assist function which can at least overcome the disadvantages of the prior art.

Therefore, the novel seat with standing assist function includes a base unit and an auxiliary unit. The base unit includes a stand body and a tripod body arranged at the bottom of the stand body. The auxiliary unit includes an active member pivoted on the base unit and capable of swinging under force, a driven member pivoted on the base unit and suitable for carrying a buttocks, and a movably connected to the active member Linkage with the follower. Relative to the base unit, the auxiliary unit is in a sitting position in which the driving element is not forced to swing without interlocking the linkage body and the driven element is horizontal, and a driving element is forced to swing to interlock the interlocking body body and the follower is inclined to change between the rising positions.

The effect of the new type is that: the seat can provide the lifting assist force of the buttocks lifting and forward leaning during the process of switching the sitting position to the rising position through the linkage design of the auxiliary unit, so as to easily assist the occupant. stand.

Referring to FIG. 1 and FIG. 2, an embodiment of the new seat with a standing assist function is suitable for installation on a ground, a piece of furniture, a movable wheel set, or a movable vehicle body, and is suitable for One occupant 1 rides. The seat includes a base unit 2 , an auxiliary unit 3 , and a card position unit 4 .

The base unit 2 is the basic structure of a common chair, and includes a frame body 21 , a leg frame body 22 disposed at the bottom of the seat frame body 21 , and a back frame body extending laterally upward from the back frame body 21 . 23 , and a front seat plate 24 arranged on the front side of the seat frame body 21 . The seat frame body 21 is a horizontally arranged rectangular frame, and has two side rods 211 spaced left and right, and two connecting rods 212 that are spaced forward and backward and connect the side rods 211 . The tripod body 22 has two front legs 221 spaced left and right spaced upright at the front side of the seat frame body 21 , two rear leg rods 222 spaced left and right spaced upright under the rear side of the seat frame body 21 , and two left and right spaced apart front legs 222 . And connect the front foot rods 221 and the rear foot rods 222 with the foot rods 223 at the front and rear ends. The back frame body 23 is suitable for a back of the occupant 1 to rest against. The front seat plate 24 is a flat plate fixed between the side bars 211 , and is suitable for placing the thighs of the occupant 1 . In addition, the surfaces of the back frame body 23 and the front seat panel 24 can also be covered with a soft cushion body (not shown), which can improve the riding comfort. Of course, in terms of design, the base unit 2 can also include two armrests (not shown in the figure), or increase or decrease rods, or even change the structure of the base unit 2, for example, make the front foot rods located on both sides 221. The structures of the rear leg rods 222 and the base leg rods 223 are respectively U-shaped, inverted U-shaped, X-shaped, A-shaped, H-shaped, or omit the setting of the base leg rods 223. In design, the back frame body 23 can also be interconnected with the seat frame body 21 or the rear leg rods 222 and made in one piece, so it is not limited to this embodiment.

The auxiliary unit 3 includes an active member 31 pivoted to the tripod body 22 of the base unit 2 , a slave member pivoted to the base body 21 of the base unit 2 and located behind and above the active member 31 . A moving member 32 and a linking body 33 movably connecting the driving member 31 and the driven member 32 . The active element 31 is a flat plate pivoted on the bottom of the front foot rods 221 on the left and right sides respectively. The occupant 1's own gravity, the pedaling force of others, or the force of a control unit (not shown) installed separately, wherein the control unit can be a hydraulic cylinder, a pneumatic cylinder, a lift motor, or a linear actuation. The structure of the device ... etc. will not be described here. The follower 32 is a flat plate on the left and right sides of the front edge respectively pivoted to the side rods 211 . It is located behind the front seat plate 24 and is equivalent to a rear seat plate, suitable for carrying one of the occupants 1 . The surface of the buttocks can also be covered with a soft pad (not shown), which can improve the riding comfort. The linking body 33 has two connecting rods 331 spaced left and right, and the upper and lower ends of the connecting rods 331 are pivotally connected to the driving member 31 and the driven member 32 respectively. It should be noted that the number of the connecting rods 331 is not limited to Two can also be changed according to actual needs, such as one, three, etc., as long as the power of the driving member 31 can be transmitted to the driven member 32 .

The locking unit 4 includes a hollow fixing seat 41 disposed at the bottom of the base unit 2 , and a sliding pad 42 that can be retracted forward and backward through the fixing seat 41 , and the sliding pad 42 can be manually controlled, Mechanical control or electric control, the fixed seat 41 can be extended forward and a supporting pad can be placed under the driving member 31 to block the driving member 31 from swinging, or it can be retracted backward as shown in FIG. 3 . The fixing seat 41 is moved out below the driving member 31 to empty the space below the driving member 31 so that the driving member 31 can swing. In other design aspects of this embodiment, the thickness of the fixing seat 41 can also be changed, so as to change the height of the space below the driving element 31, adjust the maximum tilt angle of the driving element 31, and the The greater the thickness, the greater the swingable angle of the active member 31 . Of course, in terms of design, the locking unit 4 may also include at least one elastic member (not shown) connecting the fixing base 41 and the sliding pad 42 so that the sliding pad 42 can be elastically reset, and at least one elastic member for limiting the position The positioning member (not shown) at the limit position of the sliding pad 42 after sliding back and forth is locked, so its structure is not limited to this embodiment.

Referring to FIGS. 2 and 3 , when in use, the auxiliary unit 3 can be relative to the base unit 2 in a seated position where the driving member 31 is not forced to swing without interlocking the linking body 33 and the driven member 32 , And one of the driving member 31 is forced to swing to change the rising position of the linking body 33 and the driven member 32 .

As shown in FIG. 2 , when the seat is in normal use, the auxiliary unit 3 is in the sitting position, the sliding pad 42 protrudes from the fixed seat 41 and is placed under the active member 31 , and the active member 31 presents Horizontal, the follower 32 is also horizontal. At this time, the occupant 1 can sit on the seat in a sitting position, let the buttocks sit on the driven member 32 , and place both feet on the driving member 31 .

As shown in FIG. 3 , when the occupant 1 wants to change from the sitting posture to the standing posture, the sliding pad 42 is first retreated away from the lower part of the active member 31 and retracted into the fixed seat 41 , and then the occupant 1 changes from the sitting posture Get up, in the process of the legs are gradually straightened by bending the knees, the center of gravity will gradually shift from the hips to the legs, and by the self-gravity of the passenger 1, the feet will naturally press on the active The component 31 makes the driving component 31 swing in an inclined shape, and is linked through the linkage 33 to make the driven component 32 also swing in an inclined shape, so as to generate an auxiliary supporting force that pushes the buttocks upwards and forwards. , to help the occupant 1 get up and change to a standing position. It should be noted that after the occupant 1 completes standing, the auxiliary unit 3 can be moved back to the sitting position by the weight of the component or the action of a reset unit (not shown). Of course, in use, in addition to the self-gravity of the occupant 1, the force exerted on the active member 31 can also be used alone or selected to cooperate with at least one external auxiliary force such as other people or the control unit to help exert the force on the occupant 1. On the driving member 31, the driving member 31 is rotated, which will not be described here.

To sum up, the new seat with standing assist function of the present invention, by the design of the linkage rod of the auxiliary unit 3, can be used in the sitting position-getting-up-standing position by the self-gravity of the occupant 1 or with other external forces. In the process of posture change, providing the auxiliary force for the hips to lift and push forward can reduce the force that the occupant 1 needs to consume in the process of getting up, facilitate the switching between sitting posture and standing posture, and can provide labor-saving, comfortable, safe and reliable. It has the effect of getting up, so it can indeed achieve the purpose of this new model.

However, the above are only examples of the present invention, which should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application for this new model and the contents of the patent specification are still within the scope of the present invention. within the scope of this new patent.

1: Rider 2: Base unit 21: Seat body 211: Side bar 212: connecting rod 22: Tripod body 221: Front foot bar 222: Rear foot bar 223: Foot bar 23: Back frame 24: Front seat panel 3: Auxiliary unit 31: Active parts 32: Follower 33: Linkage 331: connecting rod 4: Card position unit 41: Fixed seat 42: Sliding pad

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a perspective view of an embodiment of a seat with a standing assist function of the present invention; Figure 2 is a cross-sectional side view of this embodiment illustrating an auxiliary unit in a seating position; and Figure 3 is a cross-sectional side view of one of the embodiments, illustrating the auxiliary unit in a body position.

2: Base unit

21: Seat body

211: Side bar

212: connecting rod

22: Tripod body

221: Front foot bar

222: Rear foot bar

223: Foot bar

23: Back frame

24: Front seat panel

3: Auxiliary unit

31: Active parts

32: Follower

33: Linkage

331: connecting rod

4: Card position unit

41: Fixed seat

42: Sliding pad

Claims (7)

A seat with a standing assist function comprising: a base unit, including a frame body, and a tripod body disposed at the bottom of the base frame body; and An auxiliary unit, comprising an active member pivoted on the base unit and capable of swinging under force, a driven member pivoted on the base unit and suitable for carrying a buttocks, and a movably connected to the active member The linkage between the piece and the driven piece; Relative to the base unit, the auxiliary unit is in a sitting position in which the driving element is not forced to swing without interlocking the linkage body and the driven element is horizontal, and a driving element is forced to swing to interlock the interlocking body body and the follower is inclined to change between the rising positions. The seat with a standing assist function as claimed in claim 1, wherein the active member is pivoted on the tripod body and extends forward from the tripod body, is horizontal in the sitting position, and is horizontal when standing up. In the sitting position, it is inclined, and the follower is pivoted on the seat frame body and located behind and above the driving member, so that the buttocks can be seated in the sitting position, and the buttocks are pushed upward obliquely in the rising position. The seat with a standing assist function according to claim 1 or 2, wherein the seat further comprises a clamping unit, including a hollow fixed seat disposed at the bottom of the base unit, and a retractable front and rear A sliding pad passing through the fixed seat, when the auxiliary unit is in the sitting position, the sliding pad extends out of the fixed seat and is placed under the driving member, so that the driving member cannot swing, the sliding pad is in When the auxiliary unit moves to the rising position, it leaves the lower part of the driving element and retracts into the fixing seat, so that the driving element can swing. The seat with a standing assist function according to claim 1, wherein the linking body has connecting rods spaced at two left and right intervals. The seat with a standing assist function as claimed in claim 1, wherein the base unit further comprises a front seat panel disposed on the front side of the seat frame body, the front seat panel being located in front of the follower. The seat with a standing assist function according to claim 1, wherein the base unit further comprises a back frame body extending upward from the rear side of the seat frame body. The seat with a standing assist function as claimed in claim 1, wherein the tripod body has two front leg bars that are spaced from left to right and are erectly arranged under the front side of the seat frame body, and two left and right intervals are erected to the seat. The rear foot bar on the rear side of the frame body.

Images