CN211610398U

CN211610398U - Auxiliary standing seat

Info

Publication number: CN211610398U
Application number: CN201922195887.5U
Authority: CN
Inventors: 郭宇同; 郭炜; 王熙杰; 张帆
Original assignee: Beijing Institute of Petrochemical Technology
Current assignee: Beijing Institute of Petrochemical Technology
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-02
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses an auxiliary standing chair belonging to the chair field; wherein, the front and the back of the chair leg are respectively provided with a connecting shaft at the middle part of the frame and a fixing shaft at the back part of the frame; the front end and the rear end of the frame below the seat are respectively fixedly connected with a connecting shaft in the middle of the frame and a fixed shaft at the rear of the frame; an extension end is arranged behind the short beam of the front cushion frame; two ends of the cushion connecting shaft are fixedly connected with the rear end of the extending end, two ends of the front cushion frame fixing shaft are rotatably connected with the front end part of the frame below one seat, and the cushion connecting shaft is rotatably connected with the rear cushion frame; a rear cushion frame connecting shaft is arranged in the protruding part of the rear cushion frame; two ends of the supporting rod are respectively connected with the connecting shaft of the rear cushion frame and the fixed shaft in the middle of the frame in a rotating way; the driving end of the electric push rod is rotationally connected with the fixed shaft at the rear part of the frame, and the line end of the electric push rod is rotationally connected with the cushion connecting shaft. The utility model discloses hide completely in the cushion below when the position of sitting state, and can help the handicapped user to get up.

Description

Auxiliary standing seat

Technical Field

The utility model belongs to the technical field of the chair, specifically be an auxiliary standing seat.

Background

Standing is a crucial factor affecting the independence of activities of daily life of the elderly, and is a continuous movement process from a static position to dynamic balance mainly depending on the muscle strength of the lower limbs of the human body and the gravity center of the human body. Standing precedes walking and going up and down stairs, because a person needs to stand up from a chair before walking. Many studies find that more muscle power and joint mobility are required for autonomous development and partial innovation from a sitting position than activities such as walking.

In order to solve the problem that the old people with waist or joint diseases are difficult to stand up independently, some old people auxiliary standing chairs appear in the market, and the standing mechanism, a chair back handrail and the like are integrally designed so as to assist the old people to stand up. However, the seat has the defects of low space utilization rate and inconvenience for some users with narrow housing areas; and the mechanism is too complicated, is difficult to maintain the chair and is easy to damage.

Aiming at the problem that the lower limb strength of the old is insufficient, a standing assisting seat is provided, a cushion which is folded upwards and can assist in standing is provided, and the problem of difficult standing caused by insufficient leg strength when the old stands is relieved through mechanical cooperation of a front cushion and a rear cushion.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model provides a supplementary seat of standing, a serial communication port, include: the chair comprises a front cushion frame, a rear cushion frame, a support rod, two electric push rods, two chair legs, a frame below two seats and a chair leg support, wherein the chair legs are in an inverted concave shape, and a frame middle fixing shaft and a frame rear fixing shaft are respectively arranged in the front and the rear of the chair legs; the front end and the rear end of the frame below the seat are fixedly connected with the middle fixing shaft of the frame and the rear fixing shaft of the frame respectively;

the front cushion frame is of a rectangular frame structure, and an extension end is arranged behind a short beam of the front cushion frame; two ends of the cushion connecting shaft are fixedly connected with the rear end of the extending end, and two ends of the front cushion frame fixing shaft are rotatably connected with the front end part of the frame below one seat, so that the front cushion frame and the frame below the seat can rotate; the cushion connecting shaft is rotationally connected with the rear cushion frame; a protruding part is arranged behind the lower end surface of the rear cushion frame, and a rear cushion frame connecting shaft is arranged in the protruding part; two ends of the supporting rod are respectively connected with the connecting shaft of the rear cushion frame and the fixed shaft in the middle of the frame in a rotating way;

the driving end of the electric push rod is rotationally connected with the fixed shaft at the rear part of the frame, and the line end of the electric push rod is rotationally connected with the cushion connecting shaft.

The power switch of the electric push rod is placed on the outer side of the chair leg or is held by hands.

Soft cushions made of sponge or latex are arranged on the front cushion frame and the rear cushion frame.

When the front cushion frame and the rear cushion frame are positioned on the same plane, the soft cushion on the rear cushion frame covers the part above the extending end.

The front end of the soft cushion on the front cushion frame is arc-shaped.

The two ends of the chair leg support are fixedly connected with the chair legs at the two sides to form a lower half part, and the supporting rod is positioned in the center of the lower half part.

The seat below frame with electric putter all is sheltered from by the chair leg of both sides.

The included angle between the frame below the seat and the horizontal plane is 13.9 degrees.

When the electric push rod is in the maximum stroke, the front cushion frame is in a vertical state, and the rear cushion frame and the horizontal plane form an included angle of 33 degrees.

The beneficial effects of the utility model reside in that:

1. can help the user who is inconvenient to move to get up, and accords with the movement track of human engineering, and the comfortableness is higher.

2. The mechanism is simple and is completely hidden below the soft cushion in a sitting posture state, and safety risk can not be formed for the old.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a standing assist seat according to the present invention in a folded state.

Fig. 2 is a schematic structural diagram of the embodiment of the present invention in the unfolded state.

Fig. 3 is a schematic structural diagram of the embodiment of the present invention in the unfolded state.

Fig. 4 is a partial side view of the embodiment of the present invention in an expanded state with the left chair leg hidden.

Fig. 5 is a partial side view of the embodiment of the present invention shown with the left chair leg hidden in the deployed position.

Fig. 6 is a partial side view of the embodiment of the present invention in a folded position with the left chair leg hidden.

In the figure:

1-front cushion frame, 2-rear cushion frame, 3-support rod, 4-electric push rod, 5-chair leg, 6-seat lower frame, 7-chair leg support, 101-front cushion frame fixed shaft, 102-cushion connecting shaft, 103-rear cushion frame connecting shaft, 104-extension end, 601-frame middle fixed shaft, 602-frame rear fixed shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, the utility model discloses an overall structure bilateral symmetry, include: the chair comprises a front cushion frame 1, a rear cushion frame 2, a support rod 3, an electric push rod 4, two chair legs 5, two seat lower machine frames 6 and chair leg supports 7, wherein two ends of the chair leg supports 7 are fixedly connected with the chair legs 5 at two sides to form a lower half part, the chair legs 5 are in an inverted concave shape, and a machine frame middle fixing shaft 601 and a machine frame rear fixing shaft 602 are respectively arranged in front of and behind the chair legs 5; the front end and the rear end of the frame 6 below the seat are respectively connected with a frame middle fixed shaft 601 and a frame rear fixed shaft 602;

the front cushion frame 1 is of a rectangular frame structure, and an extension end 104 is arranged behind a short beam of the front cushion frame 1; two ends of a cushion connecting shaft 102 are fixedly connected with the rear end of an extending end 104, and two ends of a front cushion frame fixing shaft 101 are rotatably connected with the front end part of a seat lower frame 6, so that the front cushion frame 1 and the seat lower frame 6 can rotate; the cushion connecting shaft 102 is rotatably connected with the rear cushion frame 2; a protruding part is arranged behind the lower end surface of the rear cushion frame 2, and a rear cushion frame connecting shaft 103 is arranged in the protruding part; two ends of the supporting rod 3 are respectively and rotatably connected with the rear cushion frame connecting shaft 103 and the middle fixed shaft 601 of the frame;

the active end of the electric push rod 4 is rotationally connected with the fixed shaft 602 at the rear part of the frame, the row end of the electric push rod 4 is rotationally connected with the cushion connecting shaft 102, and the power switch of the electric push rod 4 is placed at the outer side of the chair leg 5 or is held by hands; soft cushions made of sponge or latex are arranged on the front cushion frame 1 and the rear cushion frame 2.

When the front cushion frame 1 and the rear cushion frame 2 are located on the same plane, the cushion pad on the rear cushion frame 2 covers a portion above the projecting end 104.

In this embodiment, the support rod 3 is located at the center of the lower half portion, and the frame 6 below the seat and the electric push rod 4 are both shielded by the chair legs 5 on both sides, so that the complexity of the external structure is reduced, and the overall effect is more concise.

In this embodiment, the electric putter 4 is an JRZ04 type dc electric putter.

In the present embodiment, the distance M between the front cushion frame fixing shaft 101 and the cushion link shaft 102 is 100mm, and the ratio of the distance M between the cushion link shaft 102 and the rear cushion frame link shaft 103 is 320 mm.

In this embodiment, the distance between the front cushion frame fixing shaft 101 and the frame middle fixing shaft 601 is 100mm, and the distance between the frame middle fixing shaft 601 and the frame rear fixing shaft 602 is 300 mm.

In this embodiment, the rear cushion frame 2 is a rectangular frame, and a rib plate is provided in the rear cushion frame 2 in the front-rear direction to reinforce the firmness of the rear cushion frame;

in this embodiment, the lower half is made of wood or metal material, which provides better stability for the structure.

In this embodiment, the angle of the under-seat frame 6 to the horizontal is 13.9 °.

In this embodiment, a chair leg support 7 is respectively disposed at the front and rear portions, and the chair leg support 7 is fixedly connected to the chair legs 5 by a mortise-tenon joint.

In this embodiment, the front end of cushion on preceding cushion frame 1 is the arc design, can laminate joint bending department when using, and is more comfortable.

During operation, thereby electric putter promotes preceding cushion frame 1 and drives old person's shank to vertical direction rotation 90 and lands, back cushion frame 2 drive by bracing piece 3 and cushion connecting axle 102 rotatory to 33 positions with horizontal angle, for the old person plays to provide sufficient supplementary angle, holds up old person's buttock helping hand, can let old person's both feet land just when mechanism moves to the terminal point, only need the antecedent can leave back cushion frame 2.

When normal position of sitting state, preceding cushion frame 1 all can steadily laminate with the upper surface of chair leg 5 with back cushion frame 2, can guarantee the stability of cushion when taking.

Before the work begins, the embodiment is in a sitting posture, the front cushion frame 1 and the rear cushion frame 2 are positioned on the same plane, and the electric push rod 4 is firstly connected with a power supply; then the old people sit on the soft cushion above the rear cushion frame 2, and the thighs are placed on the soft cushion above the front cushion frame 1;

when the old needs to get up, the power switch of the electric push rod 4 is turned on; the electric push rod 4 starts to work, and the front cushion frame 1 slowly rotates around the front cushion frame fixing shaft 101 from a horizontal state; meanwhile, the rear cushion frame 2 is also gradually swung upwards around the cushion connecting shaft 102, and finally, when the electric push rod 4 has the maximum stroke, the front cushion frame 1 is in a vertical state and the rear cushion frame 2 forms an included angle of 33 degrees with the horizontal plane; at this time, the old seated on the soft cushion above the rear cushion frame 2 can stand up more conveniently.

Claims

1. A standing assist seat, comprising: the chair comprises a front cushion frame (1), a rear cushion frame (2), a support rod (3), two electric push rods (4), two chair legs (5), two seat lower machine frames (6) and chair leg supports (7), wherein the chair legs (5) are in an inverted concave shape in front view, and a machine frame middle fixing shaft (601) and a machine frame rear fixing shaft (602) are respectively arranged in front of and behind the chair legs (5); the front end and the rear end of a frame (6) below the seat are respectively connected with a frame middle fixed shaft (601) and a frame rear fixed shaft (602);

the front cushion frame (1) is of a rectangular frame structure, and an extension end (104) is arranged behind a short beam of the front cushion frame (1); two ends of a cushion connecting shaft (102) are fixedly connected with the rear end of an extending end (104), and two ends of a front cushion frame fixing shaft (101) are rotatably connected with the front end part of a frame (6) below one seat; the cushion connecting shaft (102) is rotationally connected with the rear cushion frame (2); a protruding part is arranged behind the lower end surface of the rear cushion frame (2), and a rear cushion frame connecting shaft (103) is arranged in the protruding part; two ends of the supporting rod (3) are respectively and rotatably connected with the rear cushion frame connecting shaft (103) and the middle fixed shaft (601) of the frame;

the driving end of the electric push rod (4) is rotationally connected with a fixed shaft (602) at the rear part of the frame, and the row end of the electric push rod (4) is rotationally connected with the cushion connecting shaft (102).

2. A standing assist seat as claimed in claim 1, wherein the power switch of the power push rod (4) is placed outside the chair legs (5) or held by hand.

3. A standing assist seat as claimed in claim 1, wherein the front (1) and rear (2) cushion frames are fitted with sponge or latex cushions.

4. A standing assist seat as claimed in claim 3, wherein the cushion on the rear cushion frame (2) covers the portion above the projecting end (104) when the front cushion frame (1) and the rear cushion frame (2) are in the same plane.

5. A standing assist seat as claimed in claim 3, wherein the forward end of the cushion on the front cushion frame (1) is curved.

6. The chair for assisting standing of claim 1, wherein the two ends of the chair leg support (7) are fixedly connected with the chair legs (5) at the two sides to form a lower half part, and the support rod (3) is positioned at the center of the lower half part.

7. A standing assist seat as claimed in claim 1, wherein the under seat frame (6) and the power push rod (4) are shielded by the two side legs (5).

8. A standing assist seat as claimed in claim 1, wherein the under seat frame (6) is angled at 13.9 ° to the horizontal.

9. A standing assist seat as claimed in claim 1, wherein the front cushion frame (1) is upright and the rear cushion frame (2) is inclined at 33 ° to the horizontal when the power push rod (4) is at maximum travel.