CN211632465U - Old man's chair support and have old man's chair of this support - Google Patents

Abstract

The utility model provides an old man's chair support, the on-line screen storage device comprises a base, drive assembly, a transmission subassembly, shank subassembly and back subassembly, drive assembly is connected with the base, a transmission subassembly is connected in drive assembly, shank subassembly and back subassembly all are connected with a transmission subassembly, a transmission subassembly includes a transmission piece, a transmission piece articulates in shank subassembly and back subassembly, drive assembly comprises a driving piece, the driving piece is connected in the base, the output of driving piece is connected in a transmission piece, the relative base motion of first transmission piece can be driven to the driving piece, and drive the leg subassembly and extend or contract, drive the relative base of back subassembly and rotate with angle regulation. The utility model discloses an old man chair support, simple structure, the production equipment of the old man chair support of being convenient for, reduction in production cost simultaneously. The utility model also provides an old man's chair, including foretell old man's chair support. The utility model discloses an old man's chair reduction in production cost has better application prospect.

Description

Elderly chair bracket and elderly chair with the same

technical field

The utility model belongs to the technical field of mechanical devices, and in particular relates to an elderly chair bracket and an elderly chair with the bracket.

Background technique

The chair bracket for the elderly is a mechanical device arranged in the chair for the elderly, and through the corresponding mechanical transmission, the back angle adjustment of the chair for the elderly, the adjustment of leg extension and the height adjustment of the chair for the elderly can be realized. The existing chair for the elderly usually drives the back angle adjustment and the leg extension adjustment respectively through the double driving parts, which has a high cost, and the structure of the driving part is complicated, which is not conducive to production and installation.

Utility model content

In view of this, it is necessary to provide an elderly chair bracket and an elderly chair with the bracket, which can realize leg extension adjustment and back angle adjustment through a driving member, simplify the structure of the elderly chair, and reduce production costs.

The utility model provides an elderly chair bracket, which comprises a base, a driving component, a first transmission component, a leg component and a back component, the driving component is connected with the base, and the first transmission component is connected with the driving assembly, the leg assembly and the back assembly are connected with the first transmission assembly,

The first transmission assembly includes a first transmission member, and the first transmission member includes a first connection part and a second connection part, and both the first connection part and the second connection part have a first end and a second connection part. The first end of the first connecting portion is hinged to the leg assembly, the second end of the first connecting portion is fixedly connected to the second connecting portion, and forms an angle with the second connecting portion, and the second connecting portion The first end is hinged to the back assembly, the second end of the second connecting portion is connected to the drive assembly,

The drive assembly consists of a drive member, the drive member is connected to the base, the output end of the drive member is connected to the second end of the second connection portion, and the drive member can drive the first The transmission member moves relative to the base, and makes the first connecting portion drive the leg assembly to extend or contract, so that the second connecting portion drives the back assembly to rotate relative to the base to adjust the angle.

In the support for the elderly chair provided by the utility model, the driving part can make the first transmission part move, the first connecting part of the first transmission part can drive the leg assembly to extend or shrink, and the second connecting part of the first transmission part can drive the back part The angle adjustment is realized, so that the basic functions of the elderly chair support can be realized through the structure of one driving part and the first transmission part, the structure of the elderly chair support is simplified, the production and assembly of the elderly chair support is facilitated, and the production cost is reduced at the same time.

Several optional methods are also provided below, which are not intended to be additional limitations on the above-mentioned overall solution, but are merely further additions or optimizations. On the premise of no technical or logical contradiction, each optional method can be independently implemented for the above-mentioned overall solution. The combination can also be a combination between multiple optional ways.

In one embodiment, the first transmission assembly further includes a second transmission member, a third transmission member, a fourth transmission member, a fifth transmission member and a sixth transmission member, and the first transmission member of the second transmission member The end is hinged to the second end of the second connecting portion, the second end of the second transmission member is hinged to the first end of the third transmission member, and the third transmission member is hinged to the base, so The second end of the third transmission member is hinged to the first end of the fourth transmission member, the second end of the fourth transmission member is hinged to the first end of the fifth transmission member, and the fifth transmission member is hinged to the first end of the fifth transmission member. The second end of the member is hinged to the sixth transmission member, and the sixth transmission member is hinged to the base,

The sixth transmission member is provided with a guide groove, a part of the fifth transmission member extends into the guide groove, the fifth transmission member can slide along the guide groove, and the output end of the driving member is connected to the The fifth transmission member, the driving member can drive the first transmission member to move through the fifth transmission member, the fourth transmission member, the third transmission member and the second transmission member.

In one of the embodiments, the sixth transmission member is bent outward to form a lift portion, and the lift portion abuts against the base; the elderly chair bracket further includes an adapter, the adapter abuts against the base. Holding the lifting portion, the first transmission component, the leg component and the back component are all hinged to the adapter.

In one embodiment, the elderly chair support further includes a support, a first end of the support is fixedly connected to the adapter, and a second end of the support is hinged to the third transmission Driven by the driving member, the third transmission member can rotate relative to the support member, and drives the second transmission member and the first transmission member to rotate.

In one embodiment, the back assembly includes a back panel, a first back member, a second back member, a third back member, a fourth back member, a fifth back member, a sixth back member, and a seventh back member , the eighth back part and the angle adjustment part,

The back panel is hinged to the leg assembly; the first end of the first back part is hinged to the first end of the second connecting part, and the second end of the first back part is hinged to the first back part. The first ends of the two back members, the second end of the second back member is hinged to the third back member, the first end of the third back member is hinged to the adapter, the third back member The second end is hinged to the fourth back member, the fourth back member is hinged to the back plate, the first end of the fifth back member is hinged to the fourth back member, and the first end of the fifth back member is hinged to the fourth back member. The two ends are hinged to the sixth back part, the first end of the seventh back part is hinged to the sixth back part, the second end of the seventh back part is hinged to the adapter,

The first end of the eighth back member is hinged to the sixth back member, and the second end of the eighth back member is hinged to the angle adjusting member, and the angle adjusting member is simultaneously hinged to the back plate.

In one embodiment, the elderly chair support further includes a first elastic member, and two ends of the first elastic member are respectively connected to the back plate and the first connecting portion.

In one embodiment, the elderly chair support further includes a second elastic member, and two ends of the second elastic member are respectively connected to the back plate and the sixth back member.

In one of the embodiments, the elderly chair support further includes a lifting assembly, and the lifting assembly includes a fixing member, a first lifting member and a second lifting member,

The fixing member is fixedly connected to the base, the first end of the first lifting member is hinged to the sixth transmission member, the second end of the first lifting member is hinged to the fixing member, and the first lifting member is hinged to the fixing member. The first ends of the two lifting members are hinged to the sixth transmission member, and the second ends of the second lifting members are hinged to the fixing member,

The driving member can drive the sixth transmission member to rotate relative to the fixing member through the first lifting member and the second lifting member, and the sixth transmission member can make the transfer through the lifting part The piece is raised and rotated relative to the base.

In one of the embodiments, the driving member is a lead screw motor.

The utility model also provides a chair for the elderly, which includes the above-mentioned chair support for the elderly.

The chair for the elderly of the present invention reduces the production cost of the chair for the elderly by providing the above-mentioned chair support for the elderly, and has a good application prospect.

Description of drawings

FIG. 1 is a schematic structural diagram of an elderly chair support in an embodiment of the present utility model;

Fig. 2 is the structural representation of the base in the support of the elderly chair shown in Fig. 1;

Fig. 3 is the structural schematic diagram of the driving member in the support of the elderly chair shown in Fig. 1;

Fig. 4 is the structural schematic diagram of the first transmission assembly in the bracket of the elderly chair shown in Fig. 1;

FIG. 5 is a schematic structural diagram of the first transmission assembly shown in FIG. 4 from another perspective;

FIG. 6 is a schematic structural diagram of a first transmission member in the first transmission assembly shown in FIG. 4;

FIG. 7 is a schematic structural diagram of the first transmission assembly and part of the assembly shown in FIG. 4;

Fig. 8 is the structural schematic diagram of the leg assembly in the bracket of the elderly chair shown in Fig. 1;

FIG. 9 is a schematic structural diagram of the leg assembly shown in FIG. 7 in an extended state;

FIG. 10 is a schematic diagram of a semi-extended state of the support for the elderly chair shown in FIG. 1;

FIG. 11 is a schematic diagram of the fully extended state of the chair support for the elderly shown in FIG. 1;

Figure 12 is a schematic structural diagram of the back assembly in the support for the elderly chair shown in Figure 1;

Figure 13 is a schematic structural diagram of a lift assembly in the support for the elderly chair shown in Figure 1;

FIG. 14 is a schematic diagram of the lifting state of the support of the elderly chair shown in FIG. 1 .

Description of reference numbers:

100, chair bracket for the elderly; 10, base; 11, first support rod; 12, second support rod; 13, third support rod; 14, fourth support rod; 15, reinforcement; 16, anti-friction pad; 17 30, the first transmission assembly; 31, the first transmission part; 311, the first connection part; 312, the second connection part; 313, 314, the second end of the first connecting part; 315, the first end of the second connecting part; 316, the second end of the second connecting part; 32, the second transmission member; 33, the third transmission 34, fourth transmission part; 35, fifth transmission part; 351, guide part; 36, sixth transmission part; 361, guide groove; 362, lift part; 37, middle plate; 40, leg assembly; 41 42, the second leg part; 43, the third leg part; 44, the fourth leg part; 441, the abutting part; 45, the fifth leg part; 50, the back assembly; 51, the first back part; 52, the second back part; 53, the third back part; 54, the fourth back part; 55, the fifth back part; 56, the sixth back part; 57, the seventh back part; 58 59, the back plate; 510, the angle adjustment piece; 511, the first elastic piece; 512, the second elastic piece; 60, the lifting assembly; 61, the fixing piece; 62, the first lifting piece; 63, 71, the first connecting rod; 72, the second connecting rod; 73, the third connecting rod; 74, the fourth connecting rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that when a component is referred to as being "mounted on" another component, it can be directly mounted on the other component or there may also be an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may also be an intervening component.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 , which is a schematic structural diagram of an elderly chair support 100 in an embodiment of the present invention. The utility model provides a chair support 100 for the elderly. The chair support 100 for the elderly is arranged in the chair for the elderly, and realizes functions such as leg extension, back adjustment and seat elevation of the elderly chair through its own transmission, so as to be convenient for users to use and improve the use of the elderly. of comfort.

The elderly chair support 100 includes a base 10 , a drive assembly 20 , a first transmission assembly 30 , a leg assembly 40 and a back assembly 50 . The drive assembly 20 is connected to the base 10 , the first transmission assembly 30 is connected to the drive assembly 20 , and the leg assembly 40 and the back component 50 are connected to the first transmission component 30, the base 10 is used to support each component, the driving component 20 provides driving force for the movement of the elderly chair support 100, the first transmission component 30 can drive the leg component 40 to extend or contract, and The back assembly 50 can be driven to adjust the angle.

The first transmission assembly 30 includes a first transmission member 31, the first transmission member 31 includes a first connection portion 311 and a second connection portion 312, and both the first connection portion 311 and the second connection portion 312 have a first end and a second end , the first end 313 of the first connecting portion is hinged to the leg assembly 40, the second end 314 of the first connecting portion is fixedly connected to the second connecting portion 312, and forms an angle with the second connecting portion 312, the second connecting portion first The end 315 is hinged to the back assembly 50, and the second end 316 of the second connecting portion is connected to the driving assembly 20;

The driving assembly 20 is composed of a driving member 21, the output end of the driving member 21 is connected to the second end 316 of the second connecting portion, the driving member 21 can drive the first transmission member 31 to move relative to the base 10, and make the first transmission member 31 pass through The first end of the first connecting portion drives the leg assembly 40 to expand or contract, so that the first transmission member 31 drives the back assembly 50 to rotate relative to the base 10 through the first end 315 of the second connecting portion to adjust the angle, thereby passing through the first transmission member 31 The adjustment of the leg assembly 40 and the back assembly 50 is achieved.

In the elderly chair bracket 100 provided by the present invention, the driving member 21 can make the first transmission member 31 move, the first connecting portion 311 of the first transmission member 31 can drive the leg assembly 40 to expand or contract, and the first transmission member 31 can move the first transmission member 31 . The second connecting portion 312 can drive the back assembly 50 to realize angle adjustment, so that the basic functions of the elderly chair bracket 100 can be realized through the structure of one driving member 21 and the first transmission member 31, the structure of the elderly chair bracket 100 can be simplified, and the elderly chair bracket 100 can be easily adjusted. production assembly while reducing production costs.

Please also refer to FIG. 2 . FIG. 2 is a schematic structural diagram of the base 10 of the elderly chair support 100 shown in FIG. 1 . The base 10 includes a first support rod 11 , a second support rod 12 , a third support rod 13 and a fourth support rod 14 . The first support rod 11 , the second support rod 12 , the third support rod 13 and the fourth support rod 14 Both have oppositely arranged first and second ends, the first end of the first support rod 11 is fixedly connected to the first end of the second support rod 12, and the second end of the second support rod 12 is fixedly connected to the third support rod The first end of the rod 13 and the second end of the third support rod 13 are fixedly connected to the first end of the fourth support rod 14 , and the second end of the fourth support rod 14 is fixedly connected to the first end of the first support rod 11 Thus, the first support rod 11 , the second support rod 12 , the third support rod 13 and the fourth support rod 14 are encircled in a rectangular shape, thereby constituting the basic frame of the chair support 100 for the elderly.

Both the first support rod 11 and the third support rod 13 are bent outward to form a reinforcement portion 15. The reinforcement portion 15 can increase the force range between the elderly chair support 100 and the ground. When the elderly chair support 100 is subjected to relatively large side forces At the time, the reinforcement portion 15 can effectively prevent the elderly chair bracket 100 from rolling over, and improve the safety of the elderly chair bracket 100 .

It is worth noting that, the shapes enclosed by the first support rod 11 , the second support rod 12 , the third support rod 13 and the fourth support rod 14 are not necessarily rectangular, but roughly rectangular. , the "first end" and "second end" of each rod are directly used in the following, and the specific shape of the rod is limited to be a straight line, which only indicates that the rod has a relatively "first end" and "second end". Two ends", in order to realize the corresponding transmission, the rod can be regular or irregular shape.

Both ends of the fourth support rod 14 , the reinforcement portion 15 of the first support rod 11 and the reinforcement portion 15 of the third support rod 13 are provided with anti-friction pads 16 . Sliding improves the stability of the elderly chair support 100 , thereby facilitating the safe use of the elderly chair support 100 .

Please also refer to FIG. 3 . FIG. 3 is a schematic structural diagram of the driving member 21 in the support 100 of the elderly chair shown in FIG. 1 . The drive assembly 20 is composed of a drive member 21, the drive member 21 is hinged to the second support rod 12, and the output end of the drive member 21 is connected to the first transmission assembly 30 and can drive the first transmission assembly 30 to move. In this embodiment, the driving member 21 is a motor, specifically a lead screw motor. The lead screw motor has stable transmission and high output precision, and is suitable for the elderly chair bracket 100 of the present invention, which enables the elderly chair bracket 100 to be accurately adjusted It can be understood that, in other embodiments, the driving member 21 can also be selected as other types of motors or other types of driving sources, as long as the above-mentioned driving purpose can be achieved.

Please refer to FIG. 4 , FIG. 5 and FIG. 6 together. FIG. 4 is a schematic structural diagram of the first transmission assembly 30 in the elderly chair bracket 100 shown in FIG. 1 , and FIG. 5 is another view of the first transmission assembly 30 shown in FIG. 4 . 6 is a schematic structural diagram of the first transmission member 31 in the first transmission assembly 30 shown in FIG. 4 . The first transmission assembly 30 includes a first transmission member 31, a second transmission member 32, a third transmission member 33, a fourth transmission member 34, a fifth transmission member 35 and a sixth transmission member 36. The sixth transmission member 36 is hinged to the first transmission member 36. A support rod 11, the sixth transmission member 36 is provided with a guide groove 361, the first end of the fifth transmission member 35 is hinged to the sixth transmission member 36, the fifth transmission member 35 is provided with a guide portion 351, and the guide portion 351 is placed on the In the guide groove 361, the second end of the fifth transmission member 35 is hinged to the first end of the fourth transmission member 34, the second end of the fourth transmission member 34 is hinged to the first end of the third transmission member 33, and the third transmission member 34 is hinged to the first end of the third transmission member 33. The second transmission member 33 is hinged to the base 10, the second end of the third transmission member 33 is hinged to the first end of the second transmission member 32, and the second end of the second transmission member 32 is hinged to the first transmission member 31;

The output end of the driving member 21 is connected to the fifth transmission member 35. Under the driving of the driving member 21, when the fifth transmission member 35 rotates relative to the sixth transmission member 36, the guide portion 351 slides along the guide groove 361, and the fifth transmission member 35 The fourth transmission member 34 drives the third transmission member 33 to rotate relative to the base 10 , the third transmission member 33 drives the first transmission member 31 to move through the second transmission member 32 ; the first transmission member 31 can pass through the first connecting portion 311 when moving. The leg assembly 40 is driven to expand or contract, and the back assembly 50 is driven to rotate through the second connecting portion 312 to achieve angle adjustment.

In this embodiment, the fifth transmission member 35 moves from the end of the guide groove 361 close to the leg assembly 40 to the end of the guide groove 361 away from the leg assembly 40, the first transmission assembly 30 pushes the leg assembly 40, and then the leg assembly 40 performs an extension movement; conversely, the leg assembly 40 performs a contraction movement.

In this embodiment, the elderly chair support 100 further includes a middle plate 37, the middle plate 37 is hinged to the guide portion 351 and the part of the fifth transmission member 35 that is hinged to the sixth transmission member 36, and the output end of the driving member 21 is hinged to the middle plate 37, and then the driving member 21 can drive the fifth transmission member 35 to rotate relative to the sixth transmission member 36 around the hinge point through the intermediate plate 37, so as to realize the corresponding transmission relationship; it can be understood that in other embodiments, the driving member 21 can also directly Connected to the guide portion 351 .

Please also refer to FIG. 7 . FIG. 7 is a schematic structural diagram of the first transmission assembly 30 and some of the assemblies shown in FIG. 4 . The sixth transmission member 36 is bent outward to form a lift portion 362, the lift portion 362 abuts against the base 10; the elderly chair bracket 100 further includes an adapter 17 and a support 18, the adapter 17 abuts against the lift 362, and the support 18 is fixedly connected to the adapter 17, and the third transmission member 33 is hinged to the support member 18, thereby indirectly hinged to the base 10, and the third transmission member 33 can rotate relative to the support member 18 around the hinge point, thereby driving the second transmission member 32 and the first transmission member 32. The transmission member 31 rotates; the leg assembly 40 and the back assembly 50 are both hinged to the adapter 17 .

In this embodiment, the support member 18 is roughly triangular in shape, two corners of the support member 18 are fixedly connected to the adapter member 17 , and the other corner portion of the support member 17 is hinged with the third rotating member 33 , thereby ensuring the support member 18 Relative to the stability of the adapter 17; it can be understood that in other embodiments, the support 18 can also be set to other shapes, as long as the above-mentioned purpose can be achieved.

In this embodiment, the sixth transmission member 36 is bent outward at ninety degrees to form a raised portion 362, that is, the raised portion 362 is perpendicular to other parts of the sixth transmission member 36; it can be understood that in other embodiments, the sixth The transmission member 36 can also be bent at other angles to form the lifting portion 362 .

Please refer to FIGS. 8 , 9 , 10 and 11 together. FIG. 8 is a schematic structural diagram of the leg assembly 40 in the elderly chair support 100 shown in FIG. 1 , and FIG. 9 is the extended state of the leg assembly 40 shown in FIG. 7 . Schematic diagram of the structure, FIG. 10 is a schematic diagram of a semi-extended state of the elderly chair support 100 shown in FIG. 1 ; FIG. 11 is a schematic diagram of a fully extended state of the elderly chair support 100 shown in FIG. 1 . The leg assembly 40 includes a first leg part 41 , a second leg part 42 , a third leg part 43 , a fourth leg part 44 and a fifth leg part 45 . The first leg part 41 is hinged to the first leg part 41 . In the connecting part 311 , the first end of the first leg part 41 is hinged to the back assembly 50 , the second end of the first leg part 41 is hinged to the first end of the second leg part 42 , and the second leg part 42 The second end is hinged to the third leg member 43, the first end of the fourth leg member 44 is hinged to the back assembly 50, the fourth leg member 44 is hinged to the second leg member 42, and the The second end is hinged to the first end of the fifth leg member 45 , and the second end of the fifth leg member 45 is hinged to the third leg member 43 ; driven by the first connecting portion 311 , the first leg member 41 can rotate relative to the back assembly 50, and drives the second leg part 42 to rotate, the second leg part 42 drives the fifth leg part 45 to rotate through the fourth leg part 44, and then the second leg part 42 rotates. The end and the second end of the fifth leg member 45 can drive the third leg member 43 to rotate, so as to realize the extension or contraction of the leg assembly 40 .

In the elderly chair support 100 provided by the present invention, the extension and contraction of the leg assemblies 40 can make the elderly chair support 100 have various use states, improve the comfort of users, and meet the needs of users.

The fourth leg member 44 is also provided with abutting portion 441. When the leg assembly 40 is retracted, the abutting portion 441 can abut the second leg member 42, so that there is a gap between the leg members to prevent each leg The components are too compact and cannot be extended again, which is beneficial to the normal use of the chair support 100 for the elderly.

Please also refer to FIG. 12 . FIG. 12 is a schematic structural diagram of the back assembly 50 in the support for the elderly chair shown in FIG. 1 . The back assembly 50 includes a first back member 51, a second back member 52, a third back member 53, a fourth back member 54, a fifth back member 55, a sixth back member 56, a seventh back member 57, and an eighth back member 58. The back plate 59 and the angle adjusting member 510; the first leg part 41 and the second leg part 42 are both hinged to the back plate 59; the first back part 51 is hinged to the back plate 59, the first The end is hinged to the first end of the second connecting portion 312 , the second end of the first back member 51 is hinged to the first end of the second back member 52 , and the second end of the second back member 52 is hinged to the third back member 53 , the first end of the third back part 53 is hinged to the adapter 17, the second end of the third back part 53 is hinged to the fourth back part 54, the fourth back part 54 is hinged to the back plate 59, and the fifth back part 55 The first end of the fifth back part 55 is hinged to the fourth back part 54, the second end of the fifth back part 55 is hinged to the sixth back part 56, the second end of the seventh back part 57 is hinged to the adapter 17, and the eighth back part 58 The first end of the eighth back part 58 is hinged to the sixth back member 56, the second end of the eighth back member 58 is hinged to the angle adjustment member 510, and the angle adjustment member 510 is hinged to the back plate 59 at the same time;

The second connecting portion 312 can drive the first back member 51 to rotate relative to the back plate 59 , and the first back member 51 can drive the third back member 53 to rotate relative to the adapter 17 through the second back member 52 . When the back assembly 50 is fully extended, driven by the driving member 21, the sixth transmission member 36, the first back member 51 and the back plate 59 move together, the third back member 53 rotates relative to the adapter 17, and the third back member 53 The second back member 52 is driven to rotate relative to the back plate 59, and the fifth back member 55 is rotated relative to the fourth back member 54. The fifth back member 55 pushes the sixth back member 56 to rotate relative to the back plate 59, and the sixth back member 56 drives The seventh back member 57 rotates relative to the adapter 17 , the fifth back member 55 pushes the seventh back member 57 , and the seventh back member 57 drives the angle adjusting member 510 to rotate relative to the back plate 59 , thereby realizing the angle adjustment of the back assembly 50 .

In the chair support 100 for the elderly provided by the present invention, the angle adjustment of the back assembly 50 can satisfy various use postures of the user and improve the comfort of the user.

Please refer to FIG. 13 and FIG. 14 together. FIG. 13 is a schematic structural diagram of the elevating assembly 60 in the elderly chair bracket 100 shown in FIG. 1 , and FIG. 14 is a schematic diagram of the elevated state of the elderly chair bracket 100 shown in FIG. 1 . The elderly chair support 100 further includes a lift assembly 60, the lift assembly 60 includes a fixing member 61, a first lifting member 62 and a second lifting member 63, the fixing member 61 is fixedly connected to the base 10, and the first end of the first lifting member 62 is hinged to the base 10. In the sixth transmission member 36, the second end of the first lifting member 62 is hinged to the fixing member 61, the first end of the second lifting member 63 is hinged to the sixth transmission member 36, and the second end of the second lifting member 63 is hinged to the fixing member 61, the first lifting member 62 and the second lifting member 63 are spaced apart;

When the driving member 21 drives the guide portion 351 to be placed at one end of the guide groove 361 close to the leg assembly 40 , the leg assembly 40 is in a retracted state, the driving member 21 continues to drive the guide portion 351 , and the guide portion 351 abuts against the side wall of the guide groove 361 , and make the sixth transmission member 36 rotate relative to the fixed member 61 through the first lifting member 62 and the second lifting member 63, and the lifting portion 362 pulls the adapter 17, because the first transmission assembly 30, the leg assembly 40 and the back assembly 50 Both are connected to the adapter 17 , and then the adapter 17 is lifted and rotated relative to the base 10 , so as to realize the height adjustment of the chair support 100 for the elderly.

The height of the chair support 100 for the elderly can be adjusted through the adapter 17, so that it is convenient for the user to stand up, which is beneficial to improve the comfort of the user.

The elderly chair support 100 further includes a first elastic member 511 and a second elastic member 512. Two ends of the first elastic member 511 are respectively connected to the backboard 59 and the first connecting portion 311, and two ends of the second elastic member 512 are respectively connected to the backboard. 59 and the sixth back member 56; the arrangement of the first elastic member 511 can provide tension for the sixth transmission member 36 when the leg assembly 40 is contracted, thereby making the contraction movement of the leg assembly 40 more coordinated and smooth, while preventing the elderly chair bracket 100 The height is first lifted to ensure that the leg assemblies 40 are retracted in sequence by the elderly chair support 100, and then the height of the elderly chair support 100 is lifted; the second elastic member 512 can stretch the leg assembly 40 by pulling the sixth back member 56 toward the back plate. When the angle of the back assembly 50 is adjusted, the first elastic member 511 and the second elastic member 512 can make the elderly chair support 100 move regularly and improve the stability.

In this embodiment, the first elastic member 511 and the second elastic member 512 are both springs, which are easy to obtain, inexpensive, and have good elastic performance; it can be understood that in other embodiments, the first elastic member 511 and the second elastic member 511 and the second elastic member The elastic member 512 can also be selected as other elastic elements, which is not specifically limited.

It is worth noting that the chair support 100 for the elderly has a symmetrical structure, the above components are provided on the side of the first support rod 11 and the side of the third support rod 13 , and the support for the elderly chair 100 further includes a first connecting rod 71 and a second connecting rod 72 , the third connecting rod 73 and the fourth connecting rod 74, the two ends of the first connecting rod 71 are respectively connected to the middle plate on the side of the first support rod 11 and the middle plate on the side of the third support rod 13, and the driving member 21 is hinged to the first connecting rod 71, and the first connecting rod 71 drives the components on both sides to achieve corresponding movement. For the third back member, both ends of the second connecting rod 73 are respectively connected to the sixth transmission member on the side of the first support rod 11 and the sixth transmission member on the side of the third support rod 13 , and both ends of the third connecting rod 74 are respectively connected to the sixth transmission member on the side of the first support rod 11 and the sixth transmission member on the side of the third support rod 13 . A seventh back member on the side of the support rod 11 and a seventh back member on the side of the third support rod 13, the first connecting rod 71, the second connecting rod 72, the third connecting rod 73 and the fourth connecting rod 74 strengthen the elderly chair bracket The overall stability of the elderly chair support 100 makes the elderly chair support 100 more stable during the transmission process, and improves the safety of the elderly chair support 100 .

The present invention also provides a chair for the elderly, which includes the above-mentioned chair support 100 for the elderly.

The elderly chair of the present invention is provided with the above-mentioned elderly chair bracket 100, thereby reducing the production cost of the elderly chair and having a good application prospect.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

Those of ordinary skill in the art should realize that the above embodiments are only used to illustrate the present invention, but not to limit the present invention. Appropriate changes and changes of the invention all fall within the scope of protection of the present invention.

Claims (10)

1. An armchair stand (100) comprising a base (10), a driving assembly (20), a first transmission assembly (30), a leg assembly (40) and a back assembly (50), characterized in that the driving assembly (20) is connected with the base (10), the first transmission assembly (30) is connected to the driving assembly (20), the leg assembly (40) and the back assembly (50) are both connected with the first transmission assembly (30),

the first transmission component (30) comprises a first transmission piece (31), the first transmission piece (31) comprises a first connecting part (311) and a second connecting part (312), the first connecting part (311) and the second connecting part (312) are respectively provided with a first end and a second end, the first end (313) of the first connecting part is hinged on the leg component (40), the second end (314) of the first connecting part is fixedly connected on the second connecting part (312) and forms an angle with the second connecting part (312), the first end (315) of the second connecting part is hinged on the back component (50), and the second end (316) of the second connecting part is connected on the driving component (20),

the driving assembly (20) is composed of a driving part (21), the driving part (21) is connected to the base (10), the output end of the driving part (21) is connected to the second end of the second connecting part (312), the driving part (21) can drive the first driving part (31) to move relative to the base (10), and the first connecting part (311) drives the leg assembly (40) to extend or retract, so that the second connecting part (312) drives the back assembly (50) to rotate relative to the base (10) to adjust the angle.

2. The geriatric chair support (100) according to claim 1, wherein the first transmission assembly (30) further comprises a second transmission member (32), a third transmission member (33), a fourth transmission member (34), a fifth transmission member (35) and a sixth transmission member (36), a first end of the second transmission member (32) is hinged to a second end of the second connecting portion (312), a second end of the second transmission member (32) is hinged to a first end of the third transmission member (33), the third transmission member (33) is hinged to the base (10), a second end of the third transmission member (33) is hinged to a first end of the fourth transmission member (34), a second end of the fourth transmission member (34) is hinged to a first end of the fifth transmission member (35), a second end of the fifth transmission member (35) is hinged to the sixth transmission member (36), the sixth transmission element (36) is hinged to the base (10),

a guide groove (361) is formed in the sixth transmission piece (36), the part of the fifth transmission piece (35) extends into the guide groove (361), the fifth transmission piece (35) can slide along the guide groove (361), the output end of the driving piece (21) is connected to the fifth transmission piece (35), and the driving piece (21) can drive the first transmission piece (31) to move through the fifth transmission piece (35), the fourth transmission piece (34), the third transmission piece (33) and the second transmission piece (32).

3. The geriatric chair support (100) according to claim 2, wherein the sixth transmission element (36) is bent outwards and forms a raised portion (362), the raised portion (362) abutting the base (10); the geriatric chair support (100) further comprises an adapter (17), the adapter (17) abuts against the lifting portion (362), and the first transmission assembly (30), the leg assembly (40) and the back assembly (50) are hinged to the adapter (17).

4. The geriatric chair support (100) according to claim 3, wherein the geriatric chair support (100) further comprises a support member (18), a first end of the support member (18) being fixedly connected to the adaptor member (17), a second end of the support member (18) being hinged to the third transmission member (33); under the driving of the driving part (21), the third transmission part (33) can rotate relative to the supporting part (18) and drive the second transmission part (32) and the first transmission part (31) to rotate.

5. The geriatric chair support (100) according to claim 3, wherein the back assembly (50) comprises a first back member (51), a second back member (52), a third back member (53), a fourth back member (54), a fifth back member (55), a sixth back member (56), a seventh back member (57), an eighth back member (58), a back plate (59) and an angle adjuster (510),

the back plate (59) is hinged to the leg assembly (40); a first end of the first back member (51) is hinged to a first end of the second connecting portion (312), a second end of the first back member (51) is hinged to a first end of the second back member (52), a second end of the second back member (52) is hinged to a third back member (53), a first end of the third back member (53) is hinged to the adaptor (17), a second end of the third back member (53) is hinged to the fourth back member (54), the fourth back member (54) is hinged to a back plate (59), a first end of the fifth back member (55) is hinged to the fourth back member (54), a second end of the fifth back member (55) is hinged to the sixth back member (56), a first end of the seventh back member (57) is hinged to the sixth back member (56), and a second end of the seventh back member (57) is hinged to the adaptor (17),

a first end of the eighth back member (58) is hinged to the sixth back member (56), a second end of the eighth back member (58) is hinged to the angle adjuster (510), and the angle adjuster (510) is hinged to the back plate (59).

6. The geriatric chair support (100) according to claim 5, wherein the geriatric chair support (100) further comprises a first resilient member (511), and the two ends of the first resilient member (511) are connected to the back plate (59) and the first connection portion (311), respectively.

7. The geriatric chair support (100) according to claim 5, wherein the geriatric chair support (100) further comprises a second resilient member (512), the ends of the second resilient member (512) being connected to the back plate (59) and the sixth back member (56), respectively.

8. The geriatric chair support (100) according to claim 3, wherein the geriatric chair support (100) further comprises a lifting assembly (60), the lifting assembly (60) comprising a fixing (61), a first lifting member (62) and a second lifting member (63),

the fixing piece (61) is fixedly connected to the base (10), the first end of the first lifting piece (62) is hinged to the sixth transmission piece (36), the second end of the first lifting piece (62) is hinged to the fixing piece (61), the first end of the second lifting piece (63) is hinged to the sixth transmission piece (36), and the second end of the second lifting piece (63) is hinged to the fixing piece (61),

the driving piece (21) can drive the sixth transmission piece (36) to rotate relative to the fixed piece (61) through the first lifting piece (62) and the second lifting piece (63), and the sixth transmission piece (36) can enable the adaptor (17) to lift and rotate relative to the base (10) through the lifting part (362).

9. The geriatric chair support (100) according to claim 1, wherein the drive (21) is a lead screw motor.

10. An armchair comprising an armchair stand, characterized in that said armchair stand is an armchair stand (100) according to any of claims 1 to 9.

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