CN210407745U

CN210407745U - A multifunctional seat for assisting standing up

Info

Publication number: CN210407745U
Application number: CN201921185264.3U
Authority: CN
Inventors: 魏胜君; 齐建民; 仇锦滔
Original assignee: Zhongshan Polytechnic
Current assignee: Zhongshan Aomin Digital Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-28
Anticipated expiration: 2029-07-26

Abstract

A multifunctional chair for assisting in standing comprises a bottom plate, a fixed seat, two six-rod mechanisms, two chains, two handrails, a backrest, a seat plate, an electric cylinder and a connecting rod, wherein the fixed seat is arranged on the bottom plate, the two six-rod mechanisms are respectively positioned on two sides of the fixed seat, the six-rod mechanisms comprise a first transverse rod, a second transverse rod, a third transverse rod, a straight rod and a bending rod, the front end of the second transverse rod and the front end of the third transverse rod are hinged with the fixed seat, the rear end of the second transverse rod is hinged with the bending position of the bending rod, the rear end of the third transverse rod is hinged with the lower end of the bending rod, the lower end of the straight rod is hinged with the middle of the third transverse rod, the middle of the straight rod is hinged with the middle of the second transverse rod, and the upper ends of the bending rod and the two; the seat plate is arranged above the six-rod mechanism, and the two handrails are respectively fixed at the two ends of the seat plate. The utility model discloses can realize the adjustment of the posture of lying, the position of sitting and the three gesture of rising of seat, convenience of customers stands up.

Description

Multifunctional seat for assisting standing

Technical Field

The utility model belongs to the technical field of the seat technique and specifically relates to a multi-functional seat for assisting stand-up.

Background

With the age, the strength of the knees, legs and back of people is gradually weakened, and many people have walking ability but are difficult to stand up after sitting for a long time. At present, the main measures for helping the user stand up from the seat are that the armrest is additionally arranged on the seat, and the user can help the user stand up through the strength of the arm; there is also a risk that the seat is tilted forward by a certain angle electrically or pneumatically, at which time the upper body of the person is tilted forward, but the knees are still in a bent state, and the knees are subjected to a large pressure when standing up, and are planted forward. Therefore, the structure of the existing standing-assist seat is yet to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-functional seat for assisting stand up can realize the adjustment of the posture of lying, the position of sitting and the three gesture of stand up of seat, and convenience of customers stands up.

The embodiment of the utility model provides a multifunctional seat for assisting stand up, including bottom plate, fixing base, two six-bar mechanism, two chains, two handrails, back, seat, electric jar and connecting rod, the fixing base sets up on the bottom plate, and two six-bar mechanism are located the both sides of fixing base respectively, six-bar mechanism includes first horizontal pole, second horizontal pole, third horizontal pole, straight-bar and bending rod, the front end of second horizontal pole and the front end of third horizontal pole all articulate with the fixing base, the rear end of second horizontal pole articulates with the bending position of bending rod, the rear end of third horizontal pole articulates with the lower extreme of bending rod, the lower extreme of straight-bar articulates with the middle part of third horizontal pole, the middle part of straight-bar articulates with the middle part of second horizontal pole, the upper end of bending rod and the upper end of straight-bar articulate with the both ends of first horizontal pole respectively; the seat plate is arranged above the six-rod mechanism, the two armrests are respectively fixed at the two ends of the seat plate, the two sides of the backrest are respectively provided with a pull rod extending towards the armrests, and the two pull rods are respectively hinged with the two armrests; two ends of the connecting rod are respectively fixed on the two second cross rods, the electric cylinder is fixed on the connecting rod, and a push rod of the electric cylinder is hinged with the backrest; the lower ends of the two chains are respectively connected with the upper ends of the two bending rods, and the upper ends of the two chains are respectively fixedly connected with the two sides of the backrest.

Preferably, the backrest comprises two parallel vertical rods and a cross beam connected with the two vertical rods, the two pull rods are fixedly connected with the two vertical rods respectively, the push rod of the electric cylinder is hinged to the cross beam, and the upper ends of the two chains are fixedly connected with the two vertical rods respectively.

Preferably, a plurality of auxiliary plates are fixed to the seat plate and arranged in parallel with the seat plate, and the auxiliary plates extend forward of the multifunction seat.

Preferably, the bending rod is divided into an upper rod and a lower rod from the bending position of the bending rod, and the length of the lower rod is smaller than that of the upper rod.

Preferably, the rear end of the second cross rod is hinged with the upper end of the lower section rod.

Preferably, a height adjusting mechanism is further arranged between the fixed seat and the bottom plate.

Preferably, the height adjusting mechanism comprises an air cylinder and a push rod, a sleeve piece which is sleeved on the air cylinder and fixedly connected with the push rod is arranged on the outer side of the push rod, the sleeve piece is fixedly connected with the fixing seat, and the air cylinder is fixed on the bottom plate.

Preferably, the surface of the multifunctional seat is further sleeved with a protective cover.

Preferably, a cushion is further arranged on the seat plate.

Preferably, the electric cylinder is connected with a control circuit for controlling the extension length of a push rod of the electric cylinder, and the armrest is further provided with a control button connected with the control circuit.

The utility model discloses in, change the back angle through the electric jar, along with the back angle change, the chain will progressively drive six-bar mechanism, and the position of seat and handrail also changes. The three postures of lying, sitting and standing of the seat can be changed step by step, the power can be assisted for a user, and the user can stand up from the seat conveniently.

Drawings

Fig. 1 is a schematic structural view of a multifunctional seat for assisting in standing according to an embodiment of the present invention;

fig. 2 is a front view of a multifunction seat for assisting in standing up according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a multifunctional chair for assisting standing in a lying posture according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a multifunctional chair for assisting standing up in a sitting posture according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a multifunctional chair for assisting standing up according to an embodiment of the present invention in a standing up state.

Detailed Description

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

An embodiment of the utility model provides a multi-functional seat for assisting stand up, as shown in fig. 1 and fig. 2, it includes bottom plate 1, fixing base 2, two six bar mechanism 3, two chains 4, two handrails 5, back 6, seat 7, electric jar 8 and connecting rod. Fixing base 2 sets up on bottom plate 1, and bottom plate 1 can set up to the great disc of size to guarantee the stability of whole seat, fixing base 2's effect lies in, raises the seat part of fixing base 2 top by a take the altitude, uses with suitable user. Two six bar mechanism 3 set up respectively in the both sides of fixing base 2 to be located the top position of fixing base 2.

The six-bar mechanism 3 specifically comprises a first cross bar 31, a second cross bar 32, a third cross bar 33, a straight bar 34 and a bending bar 35, wherein the first cross bar 31, the second cross bar 32 and the third cross bar 33 are all arranged along the horizontal direction approximately and are all in the range of the horizontal position vertical deviation preset included angle, along with the change of the working state of the six-bar mechanism 3, the included angles of the first cross bar 31, the second cross bar 32 and the third cross bar 33 with the horizontal plane are also changed but are only changed in the preset range, the bending bar 35 and the straight bar 34 have larger inclination angles relative to the horizontal plane and are arranged in a cross mode with the corresponding first cross bar 31, the second cross bar 32 and the third cross bar 33. The first cross rod 31 is positioned above the second cross rod 32, the second cross rod 32 is positioned above the third cross rod 33, the front end of the second cross rod 32 and the front end of the third cross rod 33 are both hinged with the fixed seat 2, and the hinged positions of the two are separated by a preset distance. The bending rod 35 is formed by bending a straight rod into two sections, and the connection position of the two sections forms a bending position 350. The rear end of the second cross rod 32 is hinged to the bending position 350 of the bending rod 35, the rear end of the third cross rod 33 is hinged to the lower end of the bending rod 35, the lower end of the straight rod 34 is hinged to the middle of the third cross rod 33, the middle of the straight rod 34 is hinged to the middle of the second cross rod 32, the upper end of the bending rod 35 and the upper end of the straight rod 34 are hinged to the two ends of the first cross rod 31 respectively, and a structure similar to a structure of three transverse rods, three vertical rods is formed. The upper end refers to the end with the relatively high height when the seat is normally placed, the corresponding lower end refers to the end with the relatively low height when the seat is normally placed, and the end of the human body sitting in the seat and the end where the backrest 6 is located are generally oppositely arranged, so that the end of the human body sitting in the seat is defined as the front end, and the end where the backrest 6 is located is the rear end.

The seat plate 7 is arranged above the six-rod mechanism 3, the two armrests 5 are respectively fixed at two ends of the seat plate 7, pull rods 63 extending towards the armrests 5 are respectively arranged at two sides of the backrest 6, and the two pull rods 63 are respectively hinged with the two armrests 5, so that the angle of the backrest 6 can be changed relative to the armrests 5, and the upper body of a human body can be lifted or laid flat. The handrail 5 can be connected with a supporting rod 51, the supporting rod 51 extends towards one side of the backrest 6, the pull rod 63 is hinged with the supporting rod 51, and the supporting rod 51 is arranged in parallel with the seat plate 7, so that the transverse length of the handrail 5 is prolonged equivalently, and the handrail is convenient for people to place.

Two ends of the connecting rod are respectively fixed on the second cross rods 32 of the two six-rod mechanisms 3, the electric cylinder 8 is fixed on the connecting rod, and an electric cylinder push rod 81 of the electric cylinder 8 is hinged with the backrest 6. The lower ends of the two chains 4 are respectively connected with the upper ends of the bending rods 35 of the two six-rod mechanisms 3, and the upper ends of the two chains 4 are respectively fixedly connected with the two sides of the backrest 6. The seat of the embodiment has three working postures, which are specifically as follows:

as shown in fig. 3, at this time, the seat is in the lying operating state, the cylinder rod 81 is in the contracted state, the chain 4 is in the completely contracted state, and the six-bar mechanism 3 is also in the contracted state. The supporting force below the backrest 6 is not enough to support the backrest 6, the backrest 6 is arranged in a 'recumbent' state, and the backrest 6 and the seat plate 7 form a relatively large included angle, so that a human body can lie conveniently.

As shown in fig. 4, at this time, the seat is in the sitting working state, the electric cylinder push rod 81 partially extends outwards, the chain 4 is in a half-extended state, no tension is generated on the six-bar mechanism 3, and the six-bar mechanism 3 is still in a retracted state. Due to the supporting force provided by the electric cylinder push rod 81 to the backrest 6, the backrest 6 is gradually lifted, the included angle formed by the backrest 6 and the seat plate 7 is gradually reduced, the upper half of the human body is gradually lifted, and when the backrest 6 is close to the angle vertical to the ground, the human body is in a state of sitting relatively, so that the human body can be assisted to sit up.

As shown in fig. 5, when the electric cylinder 8 is further operated, and the seat is in an upright working state, the electric cylinder push rod 81 extends outward to approach the limit position, the chain 4 is completely straightened, so as to apply a pulling force to the bending rod 35, after the bending rod 35 moves, the whole six-rod mechanism 3 starts to operate, and the bending rod 35 pulls the rear end of the first cross rod 31 upward, so that the rear end of the seat plate 7 tilts gradually, the human body tilts forward slowly, and the human body is assisted to stand up from the seat.

Of course, the human body can be gradually changed from the standing state to the lying state by contracting the electric cylinder 8. Since the cylinder rod 81 is gradually extended and contracted, the three working states are continuously changed and are not jumped. Through configuring electric cylinder push rod 81 for low-speed operation, can promote the security in the use, prevent to appear the condition emergence of planting before standing up the in-process.

In one embodiment, as shown in fig. 1, the backrest 6 may not be a flat plate-like structure, and includes two vertical bars 62 arranged in parallel and a cross beam 61 connecting the two vertical bars 62, and the cross beam 61 may be located at the top of the vertical bars 62. The two pull rods 63 are respectively and fixedly connected with the two vertical rods 62, the electric cylinder push rod 81 is hinged with the cross beam 61, and the upper ends of the two chains 4 are respectively and fixedly connected with the two vertical rods 62.

In one embodiment, a plurality of auxiliary plates 71 are fixed to the seat plate 7 and arranged in parallel with the seat plate 7, and the auxiliary plates 71 extend forward of the multifunction seat. The auxiliary plate 71 increases the area of the seat plate 7, thereby improving the comfort of the sitting posture of the human body. The seat plate 7 can be further provided with a cushion which is arranged in a panel-shaped structure, the bearing surface is larger, and the cushion can have elasticity so as to further improve the comfort when a user uses the cushion.

In one embodiment, as shown in FIG. 3, bending bar 35 is separated from its bending location 350 into an upper bar 351 and a lower bar 352, the length of lower bar 352 being less than the length of upper bar 351. Meanwhile, the rear end of the second cross bar 32 is hinged to the upper end of the lower bar 352, i.e. near the bending position 350.

In one embodiment, a height adjusting mechanism 9 is further arranged between the fixed seat 2 and the bottom plate 1, and the height of the fixed seat 2 can be adjusted through the height adjusting mechanism 9, so that the height of the seat plate 7 can be correspondingly adjusted, and the seat plate is suitable for users with different heights.

Specifically, as shown in fig. 3, a specific embodiment of the height adjusting mechanism 9 is provided, which includes a cylinder 91 and a push rod, a sleeve 92 sleeved on the cylinder 91 and fixedly connected to the push rod is disposed outside the push rod (since the sleeve 91 is sleeved outside the push rod, the push rod cannot be seen in the figure), the sleeve 92 is fixedly connected to the fixing base 2, and the cylinder 91 is fixed to the bottom plate 1. When the cylinder 91 acts, the push rod extends outwards or contracts inwards, and the sleeve 91 correspondingly extends out or contracts, so that the height of the fixed seat 2 is adjusted.

The multifunctional chair presented in the above embodiments and the accompanying drawings is only the internal architecture of the chair, and is not convenient for the user to use directly and not beautiful enough. Therefore, for the multifunctional seat of the above embodiment, the protective cover can be sleeved on the surface of the multifunctional seat, and the whole multifunctional seat is covered in the protective cover, so that the whole multifunctional seat is protected, and the aesthetic property is also improved. The protective cover should have elastic deformation characteristics to accommodate structural changes in the backrest 6 and the six-bar mechanism 3, and for example, the protective cover may be made of a woven fabric material.

In the above embodiment, the electric cylinder 8 is connected to a control circuit for controlling the movement of the electric cylinder 8, the control circuit is further connected to a control button, the telescopic movement of the electric cylinder 8 can be controlled by operating the control button, so that a user can adjust the movement of the electric cylinder 8 by himself or herself, and the working method of adjusting the electric cylinder 8 by the control circuit and the control button belongs to a conventional technical means in the field and is not described herein. The control buttons may be particularly arranged on the armrest 5 to facilitate the user to operate the control buttons.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims

1. A multifunctional seat for assisting standing up, characterized in that:

It includes a base plate, a fixed seat, two six-bar mechanisms, two chains, two armrests, a backrest, a seat plate, an electric cylinder and a connecting rod. On both sides of the seat, the six-bar mechanism includes a first horizontal bar, a second horizontal bar, a third horizontal bar, a straight bar and a bending bar, and the front end of the second horizontal bar and the front end of the third horizontal bar are the same as the front end of the third horizontal bar. The fixed seat is hinged, the rear end of the second crossbar is hinged with the bending rod, the rear end of the third crossbar is hinged with the lower end of the bending rod, and the lower end of the straight rod is hinged with the middle of the third crossbar , the middle part of the straight rod is hinged with the middle part of the second cross rod, the upper end of the bending rod and the upper end of the straight rod are hinged with the two ends of the first cross rod respectively; the seat plate is arranged above the six-bar mechanism , the two armrests are respectively fixed on the two ends of the seat plate, the two sides of the backrest are provided with pull rods extending toward the armrests, and the two pull rods are hinged with the two armrests respectively; the two ends of the connecting rods are respectively fixed on two On the second cross bar, the electric cylinder is fixed on the connecting rod, and the push rod of the electric cylinder is hinged with the backrest; the lower ends of the two chains are respectively connected with the upper ends of the two bending rods, and the two chains The upper ends are respectively fixedly connected with the two sides of the backrest.

2. The multifunctional seat for assisting standing up according to claim 1, wherein:

The backrest includes two vertical rods arranged in parallel and a beam connecting the two vertical rods. The two pull rods are respectively fixedly connected to the two vertical rods. They are fixedly connected to two vertical rods respectively.

3. The multifunctional seat for assisting standing up according to claim 1, wherein:

The seat plate is fixed with a plurality of auxiliary plates arranged in parallel with the seat plate, and the auxiliary plates extend toward the front of the multifunctional seat.

4. The multifunctional seat for assisting standing up according to claim 1, wherein:

The bending rod is divided into an upper section rod and a lower section rod from its bending position, and the length of the lower section rod is smaller than that of the upper section rod.

5. The multifunctional seat for assisting standing up according to claim 4, wherein:

The rear end of the second transverse rod is hinged with the upper end of the lower section rod.

6. The multifunctional seat for assisting standing up according to any one of claims 1-5, characterized in that:

A height adjustment mechanism is also arranged between the fixed seat and the bottom plate.

7. The multifunctional seat for assisting standing up according to claim 6, wherein:

The height adjustment mechanism includes a cylinder and a push rod, the outer side of the push rod is provided with a sleeve sleeved on the cylinder and fixedly connected with the push rod, the sleeve is fixedly connected with the fixing seat, and the cylinder is fixed on the bottom plate.

8. The multifunctional seat for assisting standing up according to any one of claims 1-5, characterized in that:

The surface of the multifunctional seat is also covered with a protective cover.

9. The multifunctional seat for assisting standing up according to any one of claims 1-5, characterized in that:

The seat plate is also provided with a seat cushion.

10. The multifunctional seat for assisting standing up according to any one of claims 1-5, characterized in that:

The electric cylinder is connected with a control circuit for controlling the extension length of the push rod of the electric cylinder, and a control button connected with the control circuit is also provided on the armrest.