CN212591135U - Old man's chair lift actuating mechanism, seat frame and seat - Google Patents
Old man's chair lift actuating mechanism, seat frame and seat Download PDFInfo
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- CN212591135U CN212591135U CN202021600004.0U CN202021600004U CN212591135U CN 212591135 U CN212591135 U CN 212591135U CN 202021600004 U CN202021600004 U CN 202021600004U CN 212591135 U CN212591135 U CN 212591135U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000003019 stabilising effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 15
- 239000012141 concentrate Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 29
- 238000003466 welding Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
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Abstract
The utility model relates to a lift driving mechanism of a chair for the aged, which comprises a base frame, a driving component and a lifting component; the lifting assembly comprises a lifting connecting plate, a first lifting connecting rod, a second lifting connecting rod and a supporting seat, the supporting seat is fixedly connected with the base frame, one ends of the first lifting connecting rod and the second lifting connecting rod are respectively and rotatably connected with the supporting seat, and the other ends of the first lifting connecting rod and the second lifting connecting rod are respectively and rotatably connected with the lifting connecting plate; the driving component comprises a driving rod, a push rod connecting piece and a lifting connecting piece; the middle of the driving rod is provided with a push rod connecting piece, the push rod connecting piece is used for being connected with a push rod of the driving source, the two ends of the driving rod are respectively connected with a lifting connecting piece, and the lifting connecting piece is connected with a lifting connecting plate. This application improves through the connected mode to the member that the drive goes up and down, makes its stress point concentrate on both ends, and the lift process is more stable, can not produce the shake to save the material, alleviateed the weight of whole seat frame.
Description
Technical Field
The utility model relates to the field of furniture, especially, relate to an old man's chair lift actuating mechanism, seat frame and seat.
Background
With the development of science and technology and the increasing improvement of the living standard of people, the requirement of people on the versatility of the seat unit is higher and higher. The function of the chair for the old is mainly used for helping the old with inconvenient legs and feet and poor waist strength to stand up from the sofa, thereby facilitating the activities of the old.
In order to stabilize the lifting part structure and increase the comfort level of the geriatric chair in the prior art, the installation of the integral frame is adopted, for example, application No. 201810007860.6 discloses a geriatric chair mechanical device, wherein, the rod for driving of the prior art is specifically set as: the lifting frame is connected with the chassis through a twelfth rotating shaft, the lifting frame is connected with the lifting frame through a fourteenth rotating shaft, and the lifting connecting rod is connected with the lifting frame and the chassis through a thirteenth rotating shaft and a fifteenth rotating shaft respectively; the welding connecting piece is connected with the lifting frame through the sixteenth rotating shaft 1, and the square tube of the adjustable connecting piece is sleeved into the square tube of the welding connecting piece, so that the function of adjusting the width is realized. When the motor push rod continues to move forwards, the lifting base is connected with the lifting frame and the lifting connecting rod on the chassis through the twelfth rotating shaft and the fifteenth rotating shaft to move upwards around the rotating shafts, so that the lifting frame connected with the lifting frame and the lifting connecting rod through the thirteenth rotating shaft and the fourteenth rotating shaft is lifted, the left side and the right side which are fixed on the lifting frame and keep relatively static are lifted together, and the process of switching states is realized by the mechanical extension device of the old people chair.
However, among the prior art, the square pipe of adjustable connecting piece embolias welding connection piece's square pipe in, the purpose is in order to make welding connection piece can realize simultaneously going up and down and adjust two kinds of functions of telescopic machanism state, however such setting leads to adjustable connecting piece to be firm inadequately, take place the shake easily in the motion process, overall structure poor stability, and because the restriction of structure, lead to product manufacturing efficiency to hang down, the accumulative total error is big, the precision is low, nevertheless because the existence of welding frame can only so set up, can't further improve its stable effect.
Therefore, it is necessary to provide a lift driving mechanism for a geriatric chair, which can achieve stable force during driving, to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an old man's chair lift actuating mechanism, seat frame and seat improves through the connected mode to the member that the drive goes up and down, makes its stress point concentrate on both ends, and the lift process is more stable, is difficult to produce the shake to save the material, alleviateed the weight of whole seat frame.
The technical effects of the utility model are through following realization:
a lift driving mechanism of a chair for the aged comprises a base frame, a driving component and a lifting component;
the lifting assembly comprises a lifting connecting plate, a first lifting connecting rod, a second lifting connecting rod and a supporting seat, the supporting seat is fixedly connected with the base frame, one ends of the first lifting connecting rod and the second lifting connecting rod are respectively and rotatably connected with the supporting seat, and the other ends of the first lifting connecting rod and the second lifting connecting rod are respectively and rotatably connected with the lifting connecting plate;
the driving assembly comprises a driving rod, a push rod connecting piece and a lifting connecting piece; the middle of the driving rod is provided with a push rod connecting piece, the push rod connecting piece is used for being connected with a push rod of a driving source, the two ends of the driving rod are respectively connected with a lifting connecting piece, and the lifting connecting piece is connected with the lifting connecting plate.
Furthermore, both ends of the driving rod are provided with driving rod riveting sheets, the driving rod riveting sheets are riveted with the lifting connecting sheets, and the telescopic driving connecting rod assembly is connected with the lifting connecting sheets.
Further, the other ends of the first lifting connecting rod and the second lifting connecting rod are respectively in rotating riveting with the lifting connecting plate.
Furthermore, the lifting assemblies are two groups and are symmetrically arranged along the central plane of the base frame, the first lifting connecting rods are located below the second lifting connecting rods, and a first stabilizing connecting rod is arranged between the two first lifting connecting rods.
Further, two the supporting seat is located base frame's vertical underframe lateral surface, first lifting connecting rod is located the lateral surface of supporting seat, vertical underframe is used for spacing the first stable connecting rod minimum descending position.
Furthermore, a second stabilizing connecting rod is connected between the two lifting connecting plates, and the upper end of the supporting seat is used for limiting the lowest descending position of the second stabilizing connecting rod.
In addition, the application also provides an old people chair seat frame, which comprises a telescopic connecting rod component, a foot connecting piece, a backrest connecting piece and the old people chair lifting driving mechanism;
the drive assembly further comprises a telescopic drive connecting rod assembly, the drive assembly is used for driving the telescopic connecting rod assembly to change the relative positions of the foot connecting piece and the backrest connecting piece, and the drive assembly is used for driving the lifting assembly to lift; the lifting connecting plate is further connected with the driving assembly and the telescopic connecting rod assembly respectively.
Furthermore, two ends of the driving rod are also connected with the telescopic connecting rod assembly;
the lifting connecting plate is of an integral plate-shaped structure, and the driving assembly and the telescopic connecting rod assembly are riveted with the lifting connecting plate.
Furthermore, both ends of the driving rod are provided with driving rod riveting sheets, and the driving rod riveting sheets are simultaneously riveted with the lifting connecting sheet and the telescopic driving connecting rod assembly.
In addition, this application still provides an old man's chair, including back supporting part, foot supporting part and as above old man's chair seat chair frame, the back supporting part with the back connecting piece is connected, the foot supporting part with the foot connecting piece is connected.
As described above, the utility model discloses following beneficial effect has:
(1) the two ends of the driving rod are directly connected with the lifting connecting plate for driving the whole frame to lift through the lifting connecting plate, so that stress points of the driving rod are concentrated at the two ends, parts at the two sides of the frame cannot shake in the vertical driving process, the driving rod can be kept in a tightened state due to stress at the two ends, and the structure is more stable and reliable;
(2) because the lifting connecting piece is arranged, each part of the driving assembly can be directly riveted with the lifting connecting piece, the original welding frame form is replaced, the structure is lighter, the riveting mode is higher in welding precision and small in assembly error compared with the welding mode, the assembly process is simplified, the manufacturing cost is reduced, and the production efficiency is improved; and, the whole actions of seat frame are integrated on being used for riveted lift connecting plate, and as an independent module, the pipe fitting also uses alone, realizes more easily with the collocation of other different bases.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of a sitting position of a seat frame according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the seat frame in a sitting position according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a portion of a seat frame in a TV posture state according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a part of the seat frame in the lying position according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a portion of the seat frame in the upright position according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the lifting assembly in the sitting posture state according to the embodiment of the present invention;
fig. 7 is a schematic structural view of the lifting assembly in the standing position state according to the embodiment of the present invention;
fig. 8 is a front view of the lifting connection plate in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 8, in the present embodiment, there is provided an old people chair lift driving mechanism which is a part of a seat frame. The chair can be used for a seat unit, particularly for an old people chair, in the embodiment, the old people chair can realize a chair with a seat part capable of ascending, descending and inclining forwards and a changeable posture, and is convenient for users with inconvenient legs and weak feet to stand up in an auxiliary mode.
Specifically, the driving mechanism comprises a base frame 1, a driving assembly 3 and a lifting assembly 2;
the lifting assembly 2 comprises a lifting connecting plate 21, a first lifting connecting rod 22, a second lifting connecting rod 23 and a supporting seat 25, the supporting seat 25 is fixedly connected with the base frame 1, one ends of the first lifting connecting rod 22 and the second lifting connecting rod 23 are respectively rotatably connected with the supporting seat 25, and the other ends of the first lifting connecting rod 22 and the second lifting connecting rod 23 are respectively rotatably connected with the lifting connecting plate 21;
the driving component 3 comprises a driving rod 31, a push rod connecting piece 32 and a lifting connecting piece 33; a push rod connecting piece 32 is arranged in the middle of the driving rod, the push rod connecting piece 32 is used for being connected with a push rod of the driving source, two ends of the driving rod 31 are respectively connected with a lifting connecting piece 33, and the lifting connecting piece 33 is connected with the lifting connecting plate 21. This application is used for driving the lift connecting plate 21 that whole frame goes up and down through going up and down the connection piece 33 lug connection with actuating lever 31 both ends, therefore the stress point of actuating lever 31 concentrates on both ends, and the part of consequently frame both sides can not produce the shake in the drive process from top to bottom, and actuating lever 31 also can keep the state of tightening because of the atress at both ends, and the structure is more reliable and more stable.
The driving source for driving the driving assembly to move is specifically the driving motor 7, the push rod connecting piece 32 is rotatably connected with one end of a motor push rod 71 of the driving motor 7, and a shell 72 of the driving motor 7 is rotatably connected with the base frame 1.
The motor push rod 71 corresponds to the sitting posture and the standing posture of the seat respectively according to the third position and the fourth position corresponding to the extension degree.
When the motor push rod 71 is further pushed forwards from the third position to the fourth position, the seat is switched from the sitting position to the standing position, and the specific process at this time is that the motor push rod 71 drives the driving rod 31 to move forwards and upwards through the push rod connecting piece 32, the driving rod 31 drives one end of the lifting connecting plate 21 to move through the lifting connecting piece 33, and the lifting connecting plate 21 is rotationally connected with the first lifting connecting rod 22 and the second lifting connecting rod 23 at the same time, and the first lifting connecting rod 22 and the second lifting connecting rod 23 are rotationally connected with a supporting seat 25 fixed on the base frame 1, thereby the lifting connecting plate 21 rises with a preset radian and drives the telescopic connecting rod component 4 connected on the lifting connecting plate 21 to rise together, the telescopic connecting rod component 4 is in a forward tilting state, the motor push rod 71 reaches a fourth position, thereby forming the final standing position, and being convenient for the old people with weak physical strength and other people to stand up in a labor-saving way.
Preferably, both ends of the driving rod 31 are provided with driving rod riveting sheets 311, the driving rod riveting sheets 311 are riveted with the lifting connecting sheet 33, and the telescopic driving connecting rod assembly 34 is connected with the lifting connecting sheet 33.
The other ends of the first lifting connecting rod 22 and the second lifting connecting rod 23 are respectively in rotating riveting with the lifting connecting plate 21. Owing to set up the lift connection piece, can be so that each part of drive assembly rather than the direct riveting, replaced the form of original welding frame, the structure is lighter, and riveting mode is compared higher in welded precision, and assembly error is little.
Specifically, in this embodiment, the seat frame is a bilateral symmetry structure, the lifting component 2 and the telescopic link assembly 4 are two sets and are symmetrically disposed along the central plane of the base frame 1, the first lifting link 22 is located below the second lifting link, the first stabilizing link 24 is disposed between the two first lifting links 22, the transmission modes on both sides are the same, stable driving without error can be realized, specifically, in order to realize the stability of the transmission mechanisms on both sides, the outer side surface of the vertical bottom frame 11 of the base frame 1 is disposed on the two supporting seats 25, the outer side surface of the supporting seat 25 is disposed on the first lifting link 22, and the vertical bottom frame 11 is used for limiting the lowest descending position of the first stabilizing link 24.
When the seat switches back the position of sitting from the standing position, first lifting connecting rod 22 descends the in-process, first stable connecting rod 24 no longer descends after touchhing vertical underframe 11, consequently, first stable connecting rod 24 has not only increased first lifting connecting rod 22's stability, make it in the motion process, two first lifting connecting rod 22 can not rock relatively, intensity is higher, and spacing and supporting role have been played simultaneously, the lowest position that its descends has been injectd, can make the seat at the switching in-process of gesture, the equal stability of structure below provides the holding power.
Example 2:
in this embodiment, an geriatric chair seat frame is provided, which includes the geriatric chair lift driving mechanism as in embodiment 1, and further includes a telescopic link assembly 4, a foot connecting member 5, and a backrest connecting member 6. In this embodiment, the seat frame can change four postures corresponding to a sitting posture, a TV posture, a lying posture and a standing posture of the seat respectively, wherein the sitting posture is a state when the seat is used daily, a leg portion of the seat is contracted, the backrest is close to vertical and suitable for a user to sit down for a rest, the TV posture is a state when the leg portion of the seat is extended, correspondingly, the inclination angle of the backrest is unchanged or slightly inclined backwards, the seat frame is suitable for a state when the user is in a relaxed state when watching TV, and the lying posture is that the leg portion of the seat is further lifted, and the backrest is further inclined backwards and then lowered, so that the seat frame is suitable for the user to lie.
Fig. 1 is a schematic structural diagram of a seat frame in a sitting posture state according to an embodiment of the present invention, and fig. 3 is a schematic structural diagram of a part of the seat frame in a TV posture state according to an embodiment of the present invention; FIG. 4 is a schematic structural diagram of a part of the seat frame in the lying position according to the embodiment of the present invention; FIG. 5 is a schematic structural diagram of a portion of the seat frame in the upright position according to an embodiment of the present invention;
specifically, the telescopic link assembly 4 includes a foot link assembly 41, a back link assembly 42, and a middle link assembly 43, and the first middle link 431 of the middle link assembly 43 has one end rotatably connected to the backrest connection member 6, one end rotatably connected to the foot link assembly 41,
the back connecting rod assembly 42 comprises a first backrest connecting rod 421, one end of the first backrest connecting rod 421 is rotatably connected with the backrest connecting piece 6, the other end is rotatably connected with the lifting connecting plate 21,
the foot link assembly 41 comprises a first foot link 411, a second foot link 412, a third foot link 413 and a fourth foot link 414, one end of each of the first foot link 411 and the second foot link 412 is rotatably connected with the foot connecting piece 5, the other end of the first foot link 411 is rotatably connected with one end of the third foot link 413, and the other end of the third foot link 413 is connected with a first intermediate link 431; the other end of the second foot link 412 is rotatably connected to one end of the fourth foot link 414, the other end of the fourth foot link 414 is rotatably connected to one end of a second intermediate link 432 of the intermediate link assembly 43, and the other end of the second intermediate link 432 is rotatably connected to the lifting link plate 21;
the telescopic driving link assembly 34 includes a telescopic driving link 341 and a telescopic driving link 342, wherein the lifting link 33 is rotatably connected to one end of the telescopic driving link 341, the other end of the telescopic driving link 341 is rotatably connected to the telescopic driving link 342, and the telescopic driving link 342 is fixedly connected to the first intermediate link 431, in this embodiment, riveted.
The push rod connecting piece 32 is rotatably connected with one end of a motor push rod 71 of the driving motor 7, and a shell 72 of the driving motor 7 is rotatably connected with the base frame 1. The rotary connection mode of the components can be riveting rotation, and can also be pin shaft, step bolt and the like to realize rotary connection.
The motor push rod 71 can be divided into a first position, a second position, a third position and a fourth position according to the extension degree thereof, and respectively corresponds to four postures of the lying posture, the TV posture, the sitting posture and the standing posture of the seat.
When the motor push rod 71 is located at the third position, namely when the sofa is in a sitting posture, the foot connecting rod assembly 41 is in a contraction state at the moment, the motor push rod 71 is driven to contract, the drive rod 31 is driven to move towards the motor shell through the push rod connecting piece 32, the drive rod 31 drives the telescopic drive connecting rod 341 to rotate through driving the lifting connecting piece 33, so that the telescopic drive connecting piece 342 is further driven to drive the first intermediate connecting rod 431 to move towards the backrest connecting piece, the foot connecting rod assembly 41 is changed from the contraction state to the extension state, and finally the motor push rod 71 moves to the second position, so that the TV posture is adjusted;
when the motor push rod 71 is located at the second position, the motor push rod 71 is further contracted, the foot connecting rod assembly 41 is further lifted at the moment, the backrest connecting piece 6 is driven by the first intermediate connecting rod 431 to tilt backwards, and when the motor push rod 71 finally moves to the first position from the second position, the foot connecting piece 5 is higher than the backrest connecting piece 6 to form a lying posture.
The specific transmission relationship of the process of switching the sofa from the lying posture to the TV posture and the process of switching the TV posture to the sitting posture, namely moving the motor push rod 71 from the first position to the second position and moving the motor push rod 71 from the second position to the third position, is opposite to the process of stretching and opening, and is not described again.
Example 3:
in the present embodiment, a seat is provided, which includes a backrest support portion, a foot support portion and a seat frame, wherein the seat frame includes a base frame 1, a lifting assembly 2, a driving assembly 3 and a telescopic link assembly 4; the backrest support part is fixedly connected with the backrest connecting part 6 to realize the posture transformation, and the foot support part and the foot connecting part 5 are used for realizing the posture transformation.
Specifically, the driving mechanism comprises a base frame 1, a driving assembly 3 and a lifting assembly 2;
the lifting assembly 2 comprises a lifting connecting plate 21, a first lifting connecting rod 22, a second lifting connecting rod 23 and a supporting seat 25, the supporting seat 25 is fixedly connected with the base frame 1, one ends of the first lifting connecting rod 22 and the second lifting connecting rod 23 are respectively rotatably connected with the supporting seat 25, and the other ends of the first lifting connecting rod 22 and the second lifting connecting rod 23 are respectively rotatably connected with the lifting connecting plate 21;
the driving component 3 comprises a driving rod 31, a push rod connecting piece 32 and a lifting connecting piece 33; a push rod connecting piece 32 is arranged in the middle of the driving rod, the push rod connecting piece 32 is used for being connected with a push rod of the driving source, two ends of the driving rod 31 are respectively connected with a lifting connecting piece 33, and the lifting connecting piece 33 is connected with the lifting connecting plate 21. This application is used for driving the lift connecting plate 21 that whole frame goes up and down through going up and down the connection piece 33 lug connection with actuating lever 31 both ends, therefore the stress point of actuating lever 31 concentrates on both ends, and the part of consequently frame both sides can not produce the shake in the drive process from top to bottom, and actuating lever 31 also can keep the state of tightening because of the atress at both ends, and the structure is more reliable and more stable.
As described above, the utility model discloses following beneficial effect has:
(1) the two ends of the driving rod are directly connected with the lifting connecting plate for driving the whole frame to lift through the lifting connecting plate, so that stress points of the driving rod are concentrated at the two ends, parts at the two sides of the frame cannot shake in the vertical driving process, the driving rod can be kept in a tightened state due to stress at the two ends, and the structure is more stable and reliable;
(2) because the lifting connecting piece is arranged, all parts of the driving assembly can be directly riveted with the lifting connecting piece, the original welding frame form is replaced, the structure is lighter, and compared with the welding mode, the riveting mode is higher in precision and small in assembly error; the assembly process is simplified, the manufacturing cost is reduced, and the production efficiency is improved; and, the whole actions of seat frame are integrated on being used for riveted lift connecting plate, and as an independent module, the pipe fitting also uses alone, realizes more easily with the collocation of other different bases.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above can be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (10)
1. A lift driving mechanism of a chair for old people is characterized by comprising a base frame (1), a driving component (3) and a lifting component (2);
the lifting assembly (2) comprises a lifting connecting plate (21), a first lifting connecting rod (22), a second lifting connecting rod (23) and a supporting seat (25), the supporting seat (25) is fixedly connected with the base frame (1), one ends of the first lifting connecting rod (22) and the second lifting connecting rod (23) are respectively in rotating connection with the supporting seat (25), and the other ends of the first lifting connecting rod (22) and the second lifting connecting rod (23) are respectively in rotating connection with the lifting connecting plate (21);
the driving assembly (3) comprises a driving rod (31), a push rod connecting piece (32) and a lifting connecting piece (33); the lifting mechanism is characterized in that a push rod connecting piece (32) is arranged in the middle of the driving rod, the push rod connecting piece (32) is used for being connected with a push rod of the driving source, the two ends of the driving rod (31) are respectively connected with a lifting connecting piece (33), and the lifting connecting piece (33) is connected with the lifting connecting plate (21).
2. The geriatric chair lift drive mechanism of claim 1, wherein drive rod rivets (311) are provided at both ends of the drive rod (31), the drive rod rivets (311) are riveted to the lift link plate (33), and a telescopic drive link assembly (34) is connected to the lift link plate (33).
3. The senior chair lift driving mechanism according to claim 1, wherein the other ends of the first lift link (22) and the second lift link (23) are rotatably riveted with the lift link plate (21), respectively.
4. The geriatric chair lift drive mechanism of claim 1, characterised in that the lift assemblies (2) are in two sets and are symmetrically arranged along a central plane of the base frame (1), the first lift link (22) is located below the second lift link, and a first stabilising link (24) is located between the two first lift links (22).
5. The mechanism as claimed in claim 4, wherein the two supports (25) are disposed on the outer side of the longitudinal bottom frame (11) of the base frame (1), the first lifting link (22) is disposed on the outer side of the supports (25), and the longitudinal bottom frame (11) is used for limiting the lowest descending position of the first stabilizing link (24).
6. The geriatric chair lift drive mechanism of claim 4, wherein a second stabilising link (35) is connected between the two lift links (21), the upper end of the support base (25) being arranged to limit the lowest lowering position of the second stabilising link (35).
7. An elderly chair seat frame, comprising a telescopic link assembly (4), a foot connection (5), a backrest connection (6) and an elderly chair lift drive mechanism according to any of claims 1-6;
the driving assembly (3) further comprises a telescopic driving connecting rod assembly (34), the driving assembly (3) is used for driving the telescopic connecting rod assembly (4) to change the relative positions of the foot connecting piece (5) and the backrest connecting piece (6), and the driving assembly (3) is used for driving the lifting assembly (2) to lift; the lifting connecting plate (21) is further connected with the driving assembly (3) and the telescopic connecting rod assembly (4) respectively.
8. The frame according to claim 7, wherein the drive rod (31) is further connected at both ends to the telescopic link assembly (4);
the lifting connecting plate (21) is of an integral plate-shaped structure, and the driving assembly (3) and the telescopic connecting rod assembly (4) are riveted with the lifting connecting plate (21).
9. The frame according to claim 8, characterized in that the driving rod (31) has driving rod riveting pieces (311) at both ends, and the driving rod riveting pieces (311) are riveted with the lifting connecting piece (33) and the telescopic driving connecting rod assembly (34) at the same time.
10. Geriatric chair, comprising a backrest support connected with the backrest connection (6), a foot support connected with the foot connection (5) and an geriatric chair seat frame according to claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021600004.0U CN212591135U (en) | 2020-08-05 | 2020-08-05 | Old man's chair lift actuating mechanism, seat frame and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021600004.0U CN212591135U (en) | 2020-08-05 | 2020-08-05 | Old man's chair lift actuating mechanism, seat frame and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212591135U true CN212591135U (en) | 2021-02-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021600004.0U Ceased CN212591135U (en) | 2020-08-05 | 2020-08-05 | Old man's chair lift actuating mechanism, seat frame and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212591135U (en) |
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2020
- 2020-08-05 CN CN202021600004.0U patent/CN212591135U/en not_active Ceased
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| CP03 | Change of name, title or address |
Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Ruimai Technology Co.,Ltd. Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. |
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| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230721 Decision number of declaring invalidation: 561984 Granted publication date: 20210226 |