CN112089241B - A seat frame and seat driven by dual motors - Google Patents
A seat frame and seat driven by dual motors Download PDFInfo
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- CN112089241B CN112089241B CN202010775694.1A CN202010775694A CN112089241B CN 112089241 B CN112089241 B CN 112089241B CN 202010775694 A CN202010775694 A CN 202010775694A CN 112089241 B CN112089241 B CN 112089241B
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- 230000009977 dual effect Effects 0.000 title claims abstract 5
- 230000008093 supporting effect Effects 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 37
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010034719 Personality change Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/0242—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by electric motors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
本发明涉及一种采用双电机驱动的座椅框架，包括底座框架、升降组件、驱动组件和伸缩连杆组件；驱动组件包括第一驱动杆，第一驱动杆上设有第一驱动连接件；升降连接板分别与第一驱动杆、驱动组件、伸缩连杆组件连接，底座框架上设有第二驱动连接件，第一驱动连接件和第二驱动连接件用于连接第一驱动电机；背部连杆组件包括第一背部连杆组件和第二背部连杆组件，第二背部连杆组件连接有第三驱动杆，升降连接板还连接有第四驱动杆，第三驱动杆设有第三驱动连接件，第四驱动杆设有第四驱动连接件，第三驱动连接件和第四驱动连接件用于连接第二驱动电机。本申请降低升降机构重量及装配误差的同时，还能实现灵活调节的座椅框架结构的效果。
The present invention relates to a chair frame driven by dual motors, including a base frame, a lifting assembly, a driving assembly and a telescopic connecting rod assembly; the driving assembly includes a first driving rod, and the first driving rod is provided with a first driving connecting piece; the lifting connecting plate is respectively connected to the first driving rod, the driving assembly and the telescopic connecting rod assembly, and the base frame is provided with a second driving connecting piece, and the first driving connecting piece and the second driving connecting piece are used to connect the first driving motor; the back connecting rod assembly includes a first back connecting rod assembly and a second back connecting rod assembly, and the second back connecting rod assembly is connected with a third driving rod, and the lifting connecting plate is also connected with a fourth driving rod, and the third driving rod is provided with a third driving connecting piece, and the fourth driving rod is provided with a fourth driving connecting piece, and the third driving connecting piece and the fourth driving connecting piece are used to connect the second driving motor. While reducing the weight and assembly error of the lifting mechanism, the present application can also achieve the effect of a flexibly adjustable seat frame structure.
Description
Technical Field
The invention relates to the field of furniture, in particular to a seat frame driven by double motors and a seat.
Background
The seat in the prior art can have various postures for changing, and further can realize functions of lifting and the like, so that the weak user can be assisted to stand up.
In order to stabilize the structure of the lifting part, the prior art old man chair increases comfort level, adopts the installation of the whole frame, adopts a single motor to realize the change of four postures of sitting posture, TV posture, lying posture and standing posture, for example, application number 201510965955.5 discloses an old man chair mechanical device, and the specific lifting driving structure is: 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, 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 a sixteenth rotating shaft, the lifting frame is provided with a limiting pad, the chassis is provided with a seventh tangential surface, and the limiting pad is matched with the seventh tangential surface. The application is in the position of sitting and rise the state when, and the third spacing bush on the back conversion connecting piece is tangent with the fourth tangential plane of back installed part, has realized firm stable spacing, has guaranteed the back stability of old man's chair sofa position of sitting state and rise the process, and is safe comfortable.
However, in order to stabilize the structure of the old man chair in the prior art, the whole frame adopted by the lifting mechanism is required to be welded, so that the assembly error is large, the structure is heavy, the lifting process can be realized only by providing a large driving force, in addition, in the process of posture change caused by single motor driving, the limitation of angle change of each part can not be realized, and personalized adjustment can not be realized according to the preference of a user.
Accordingly, there is a need for a seat frame structure that reduces the weight and assembly errors of the lift mechanism while allowing for flexible adjustment.
Disclosure of Invention
In order to solve the technical problems, the invention provides the seat frame and the seat driven by the double motors, which simultaneously control the postures of different parts through the two motors, and adopt a lifting connecting plate to replace the original complex frame structure, so that the weight of the original seat frame is reduced, the assembly error is reduced, the whole structure is stable, the manufacturing cost is low, and the seat frame and the seat have the function of flexible adjustment.
The technical effects of the invention are realized by the following steps:
The invention provides a seat frame driven by double motors, which comprises a base frame, a lifting assembly, a driving assembly and a telescopic connecting rod assembly, wherein the lifting assembly is arranged on the base frame; the telescopic connecting rod assembly is connected with a foot connecting piece and a backrest connecting piece; the driving assembly is used for driving the telescopic connecting rod assembly under the driving of the first driving motor to change the telescopic state of the foot connecting piece and driving the lifting assembly to lift; the backrest connecting piece is driven by the second motor to perform angle adjustment; the driving assembly comprises a first driving rod, and a first driving connecting piece is arranged on the first driving rod;
the lifting assembly comprises a lifting connecting plate, the lifting connecting plate is respectively connected with the first driving rod, the driving assembly and the telescopic connecting rod assembly, a second driving connecting piece is arranged on the base frame, and the first driving connecting piece and the second driving connecting piece are used for connecting a first driving motor;
The telescopic connecting rod assembly comprises a foot connecting rod assembly, a back connecting rod assembly and an intermediate connecting rod assembly, the back connecting rod assembly comprises a first back connecting rod assembly and a second back connecting rod assembly, the first back connecting rod assembly is connected with the foot connecting rod assembly through the intermediate connecting rod assembly, the second back connecting rod assembly is connected with a third driving rod, the lifting connecting plate is further connected with a fourth driving rod, the third driving rod is provided with a third driving connecting piece, the fourth driving rod is provided with a fourth driving connecting piece, and the third driving connecting piece and the fourth driving connecting piece are used for connecting a second driving motor.
Further, the lifting assembly comprises a lifting connecting plate, a first lifting connecting rod, a second lifting connecting rod and a supporting seat, wherein 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 connected with the supporting seat in a rotating mode, and the other ends of the first lifting connecting rod and the second lifting connecting rod are respectively connected with the lifting connecting plate in a rotating mode.
Further, the driving assembly further comprises a push rod connecting piece, a lifting connecting piece and a telescopic driving connecting piece; the lifting connecting plates are connected to two ends of the driving rod respectively, the lifting connecting plates are connected with the lifting connecting plates, two ends of the driving rod are connected with the telescopic connecting rod assemblies, the first back connecting rod assemblies are fixedly connected with the telescopic driving connecting pieces relatively or are of an integral structure, and the telescopic driving connecting pieces are fixedly connected with the lifting connecting plates.
Further, driving rod riveting pieces are arranged at two ends of the driving rod, the driving rod riveting pieces are fixedly connected with the lifting connecting pieces, and the lifting connecting pieces are respectively connected with the foot connecting rod assembly and used for driving lifting of the lifting connecting plates and expansion of the foot connecting rod assembly. .
Further, the drive end of the telescoping drive connection is riveted with the telescoping link assembly.
Further, the two supporting seats are arranged on the outer side face of the longitudinal bottom frame of the base frame, the first lifting connecting rod is arranged on the outer side face of the supporting seat, and the longitudinal bottom frame is used for limiting the lowest descending position of the first stabilizing connecting rod.
Further, 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.
Further, the first driving connecting piece is used for connecting a driving rod of the first driving motor, the second driving connecting piece is used for connecting a shell of the first driving motor, the third driving connecting piece is used for connecting the driving rod of the second driving motor, and the fourth driving connecting piece is used for connecting the shell of the second driving motor.
Further, the projections of the first, second, third and fourth drive connections on a horizontal plane do not overlap.
In addition, the application also provides a seat, which comprises a backrest supporting part, a foot supporting part and a seat frame, wherein the seat frame comprises a base frame, a lifting assembly, a driving assembly and a telescopic connecting rod assembly;
The foot support part and the foot connecting piece, the backrest support part and the backrest connecting piece, and the telescopic connecting rod assembly is connected with the foot connecting piece and the backrest connecting piece; the driving assembly is used for driving the telescopic connecting rod assembly to change the telescopic state of the foot connecting piece and driving the lifting assembly to lift; and is used for driving the backrest connecting piece to conduct angle adjustment under the driving of the second motor; the driving assembly comprises a first driving rod, and a first driving connecting piece is arranged on the first driving rod;
the driving assembly comprises a first driving rod, and a first driving connecting piece is arranged on the first driving rod;
the lifting assembly comprises a lifting connecting plate, the lifting connecting plate is respectively connected with the first driving rod, the driving assembly and the telescopic connecting rod assembly, a second driving connecting piece is arranged on the base frame, and the first driving connecting piece and the second driving connecting piece are used for connecting a first driving motor;
The telescopic connecting rod assembly comprises a foot connecting rod assembly, a back connecting rod assembly and an intermediate connecting rod assembly, the back connecting rod assembly comprises a first back connecting rod assembly and a second back connecting rod assembly, the first back connecting rod assembly is connected with the foot connecting rod assembly through the intermediate connecting rod assembly, the second back connecting rod assembly is connected with a third driving rod, the lifting connecting plate is further connected with a fourth driving rod, the third driving rod is provided with a third driving connecting piece, the fourth driving rod is provided with a fourth driving connecting piece, and the third driving connecting piece and the fourth driving connecting piece are used for connecting a second driving motor.
As described above, the invention has the following beneficial effects:
(1) The two motors are used for respectively controlling the postures of different parts, and a lifting connecting plate is used for replacing the original complex frame structure, so that the weight of the original seat frame is reduced, the assembly error is reduced, the whole structure is stable, the manufacturing cost is low, and the flexible adjustment function is realized;
(2) All parts connected with the lifting connecting plate are riveted, so that the positioning is more accurate, the mounting error is smaller, and the overall structure is more accurate to cooperate;
(3) The two ends of the driving rod are directly connected with the mechanism to be driven, the stress points are evenly distributed on two sides, the stress is more uniform, the driving is more stable, and the shaking of the structure is reduced in the lifting process.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the following description will make a brief introduction to the drawings used in the description of the embodiments or the prior art. It should be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained from these drawings without inventive effort to those of ordinary skill in the art.
FIG. 1 is a schematic perspective view of a part of a seat frame in a sitting position according to an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the invention with the seat frame in a seated position and with the back attachment adjusted in angle;
FIG. 3 is a side view of a seat frame in a reclined position according to an embodiment of the present invention;
FIG. 4 is a schematic view of a portion of a seat frame in a TV state according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a portion of a seat frame in a reclined position according to an embodiment of the present invention;
FIG. 6 is a perspective view showing a part of the structure of the lifting assembly in the standing position according to the embodiment of the present invention;
fig. 7 is a side view of a portion of the structure of a lift assembly in an upright position in accordance with an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
In this embodiment, a seat frame with a function of ascending and forward tilting is provided, which can be used for a seat unit, in particular for an old-fashioned chair seat. Correspondingly, in this embodiment, the seat frame may change four postures, which correspond to the sitting posture, the TV posture, the lying posture and the standing posture of the seat respectively, wherein the sitting posture is a state when the seat is used daily, the leg part of the seat is contracted and the backrest is close to vertical, which is suitable for the user to sit down and rest daily, the TV posture is a state when the leg part of the seat is extended, and accordingly, the inclination angle of the backrest part is unchanged or the user is slightly inclined backwards, which is suitable for the user to sit down in a state of relaxation when watching television, and the lying posture is further inclined backwards and then descends, which is suitable for the user to lie down and rest.
The seat frame driven by the double motors is characterized by comprising a base frame 1, a lifting assembly 2, a driving assembly 3 and a telescopic connecting rod assembly 4; the telescopic connecting rod assembly 4 is connected with a foot connecting piece 5 and a backrest connecting piece 6; the driving component 3 is used for driving the telescopic connecting rod component 4 to change the relative positions of the foot connecting piece 5 and the backrest connecting piece 6, and the driving component 3 is used for driving the lifting component 2 to lift; specifically, the driving assembly 3 is used for driving the telescopic link assembly 4 to change the telescopic action of the foot connecting piece 5 under the driving of the first driving motor, and the driving assembly 3 is used for driving the lifting of the lifting assembly 2; and for driving the backrest connecting means 6 under the drive of the second motor for angular adjustment;
Specifically, the drive assembly 3 comprises a first drive rod 31, the first drive rod 31 being provided with a first drive connection 32;
The lifting assembly 2 comprises a lifting connecting plate 21, the lifting connecting plate 21 is respectively connected with the driving assembly 3 and the telescopic connecting rod assembly 4, a second driving connecting piece 11 is arranged on the base frame 1, and the first driving connecting piece 32 and the second driving connecting piece 11 are used for connecting a first driving motor;
The telescopic link assembly 4 comprises a foot link assembly 41, a back link assembly 42 and a middle link assembly 43, the back link assembly 42 comprises a first back link assembly 421 and a second back link assembly 422, the first back link assembly 421 is connected with the foot link assembly 41 through the middle link assembly 43, the second back link assembly 422 is connected with a third driving rod 423, the lifting connecting plate 21 is also connected with a fourth driving rod 424, the third driving rod 423 is provided with a third driving connecting piece 425, the fourth driving rod 424 is provided with a fourth driving connecting piece 426, and the third driving connecting piece 425 and the fourth driving connecting piece 426 are used for connecting a second driving motor. Specifically, in the present embodiment, the first driving connection member 32 is used for connecting the driving rod of the first driving motor, the second driving connection member 11 is used for connecting the housing of the first driving motor, the third driving connection member 425 is used for connecting the driving rod of the second driving motor, and the fourth driving connection member 426 is used for connecting the housing of the second driving motor, but not limited to such a motor connection manner, any connection manner capable of achieving that two corresponding driving rods approach or separate from each other may fall within the protection scope of the present application. The two motors are used for respectively controlling the postures of different parts, and a lifting connecting plate is used for replacing an original complex frame structure, so that the weight of the original seat frame is reduced, assembly errors are reduced, the whole structure is stable, the manufacturing cost is low, and the flexible adjusting function is realized.
Specifically, in this embodiment, the lifting assembly 2 includes a lifting connection plate 21, a first lifting connection rod 22, a second lifting connection 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 connection rod 22 and the second lifting connection rod 23 are respectively connected with the supporting seat 25 in a rotating manner, the other ends of the first lifting connection rod 22 and the second lifting connection rod 23 are respectively connected with the lifting connection plate 21 in a rotating manner, the seat is switched from a sitting posture to a standing posture, at this time, the first motor push rod 71 drives the first driving rod 31 to move forward and upward through the first driving connection piece 32, the first driving rod 31 drives one end of the lifting connection plate 21 to move through the lifting connection piece 33, the lifting connection plate 21 is hinged with the first lifting connection rod 22 and the second lifting connection rod 23 at the same time, as the first lifting connection rod 22, the second lifting connection rod 23 and the supporting seat 25 fixed on the base frame 1 are hinged with each other, so that the lifting connection plate 21 ascends in a predetermined radian, and the telescopic connection rod assembly 4 connected on the lifting connection plate 21 is driven to ascend with each other, and the telescopic connection rod assembly 4 is in a forward motor push rod state, the first motor push rod 71 is finally reached to a fourth position, so that the aged person can stand in a weaker posture, and can stand more easily.
Specifically, in the present embodiment, the driving assembly 3 for realizing driving further includes a first driving connection member 32 of the first driving connection member 32, a lifting connection member 33, and a telescopic driving connection member 34; the lifting connection piece 33 is connected respectively at first actuating lever 31 both ends, and lifting connection piece 33 is connected with lifting connection board 21, and first actuating lever 31 both ends still are connected with expansion link assembly 4. The method comprises the following steps: the driving rod riveting pieces 311 are respectively arranged at two ends of the first driving rod 31, the driving rod riveting pieces 311 are fixedly connected with the lifting connecting pieces 33, specifically are in bolt connection, and can also be in other fixing forms such as riveting, and the lifting connecting pieces 33 are respectively connected with the lifting connecting plate 21 and the foot connecting rod assembly 41 for driving the lifting of the lifting connecting plate 21 and the extension and retraction of the foot connecting rod assembly 41.
Further, the drive end of the telescopic drive connection 34 is rotationally riveted with the telescopic link assembly 4. The foot link assembly 41 specifically includes a first foot link 411, a second foot link 412, a third foot link 413, and a fourth foot link 414, wherein one ends of the first foot link 411 and the second foot link 412 are both hinged with the foot connecting piece 5, the other end of the first foot link 411 is hinged with one end of the third foot link 413, and the other end of the third foot link 413 is connected with the telescopic driving connecting piece 34; the other end of the second foot connecting rod 412 is hinged with one end of a fourth foot connecting rod 414, and the other end of the fourth foot connecting rod 414 is connected with the telescopic driving connecting piece 34; the telescopic driving connecting piece 34 is connected with the middle connecting rod assembly 43 at the same time, so that the first back connecting rod assembly 421 is connected with the foot connecting rod assembly 41 through the middle connecting rod assembly 43, and the whole telescopic connecting rod assembly 4 is connected with the lifting connecting plate 21, so that the movement of the whole frame can be realized through the up-and-down movement of the lifting connecting plate 21; the lift link 33 is connected to the lift link 21 and the foot link assembly 41, respectively, and drives the lift of the lift link 21 and the expansion and contraction of the foot link assembly 41. The foot link assembly 41 can be contracted and expanded by driving the lifting connection piece 33 to transmit the movement to the foot link assembly 41, and the lifting connection piece 33 can be driven to drive the lifting connection plate 21 to lift the whole frame. In this embodiment, the telescopic driving connection member 34 and the first back link assembly 421 are integrally formed and fixed on the lifting connection plate 21, and in other embodiments, may be relatively fixed and fixed on the lifting connection plate 21. The arrangement is such that the attitude change of the backrest is not affected when the first drive motor is driven, only for driving the attitude of the foot link assembly 41 and the lifting of the entire frame, while the backrest connecting member 6 is solely driven by the second drive motor to change the reclining angle.
Further, since the second back link assembly 422 of the backrest connecting member 6 is connected with the third driving rod 423, the lifting connecting plate 21 is further connected with the fourth driving rod 424, the third driving rod 423 is provided with the third driving connecting member 425, the fourth driving rod 424 is provided with the fourth driving connecting member 426, and the third driving connecting member 425 and the fourth driving connecting member 426 are used for connecting the second driving motor, the independent control of the elevation angle of the backrest connecting member 6 can be realized, and the backward angle of the backrest connecting member 6 can be independently adjusted under the condition of stable foot posture so as to adapt to different requirements of users. Fig. 2 is a side view of the seat frame according to the embodiment of the present invention, with the back attachment adjusted in angle, wherein the back attachment is significantly adjusted in angle rearward as compared to the sitting position of fig. 1.
In this embodiment, the first driving connector 32 is hinged to one end of the first motor pushrod 71 of the first driving motor 7, and the first driving motor 7 housing 72 is hinged to the base frame 1.
The first motor pushrod 71 may be divided into a second position, a third position, and a fourth position according to the degree of contraction;
The second motor push rod is divided into an original position and a first position according to the contraction degree.
The first motor pushrod 71 and the second motor pushrod can respectively correspond to the four postures of the lying posture, the TV posture, the sitting posture and the standing posture of the seat according to the telescopic degree thereof.
When the first motor push rod 71 is located at the third position, namely the sofa is in a sitting position, the foot connecting rod assembly 41 is in a contracted state, the first motor push rod 71 is driven to contract at the moment, the first driving rod 31 is driven to move towards the motor shell through the first driving connecting piece 32, the first driving rod 31 drives the contraction driving connecting rod assembly 34 to move, the foot connecting rod assembly 41 is changed from the contracted state to the extended state, and finally the first motor push rod 71 is moved to the second position, so that the TV pose is adjusted; at this time, the second motor push rod is at the original position and is not contracted.
When it is necessary to switch the TV posture to the lying posture, further, the second motor push rod is driven to retract to the first position, and the backrest connecting member 6 is rotated rearward at the second back link assembly 422, thereby eventually forming a state suitable for the user to lie down, i.e., the lying posture.
In each different posture, the user can realize the back elevation angle of the backrest connecting member 6 by controlling the second motor push rod of the second driving motor.
Further, in the present embodiment, the two supporting seats 25 are disposed on the outer side surface of the longitudinal bottom frame 11 of the base frame 1, the first lifting link 22 is disposed on the outer side surface of the supporting seat 25, and the longitudinal bottom frame 11 is used for limiting the lowest descending position of the first stabilizing link 24.
A second stabilizing connecting rod 35 is connected between the two lifting connecting plates 21, and the upper end of the supporting seat 25 is used for limiting the lowest descending position of the second stabilizing connecting rod 35. When the seat is switched from the standing posture to the sitting posture, the first lifting connecting rods 22 are not lowered after touching the longitudinal underframe 11 in the descending process, so that the first lifting connecting rods 22 are not only stable in the first stabilizing connecting rods 24, but also are prevented from relatively shaking in the moving process, the strength is higher, and meanwhile, the limiting and supporting effects are achieved, the descending lowest position of the seat is limited, and the lower structure can be stable to provide supporting force in the switching process of the sitting posture, the TV posture and the lying posture.
Further, in the present embodiment, in order that the two motors do not interfere at the time of driving, they are provided in different spatial ranges, that is, the projections of the first driving link 32, the second driving link 11, the third driving link 425, and the fourth driving link 426 on the horizontal plane do not overlap.
Example 2:
in this embodiment, there is provided a seat including a back support portion, a foot support portion, and a seat frame including a base frame 1, a lift assembly 2, a drive assembly 3, and a pantograph linkage assembly 4;
The foot support part and the foot connecting piece 5, the backrest support part and the backrest connecting piece 6, and the telescopic connecting rod assembly 4 is connected with the foot connecting piece 5 and the backrest connecting piece 6; the driving component 3 is used for driving the telescopic connecting rod component 4 to change the telescopic state of the foot connecting piece 5, and the driving component 3 is used for driving the lifting component 2 to lift;
the driving assembly 3 comprises a first driving rod 31, and a first driving connecting piece 32 is arranged on the first driving rod 31;
the lifting assembly 2 comprises a lifting connecting plate 21, the lifting connecting plate 21 is respectively connected with the first driving rod 31, the driving assembly 3 and the telescopic connecting rod assembly 4, the base frame 1 is provided with a second driving connecting piece 11, and the first driving connecting piece 32 and the second driving connecting piece 11 are used for connecting a first driving motor;
The telescopic link assembly 4 comprises a foot link assembly 41, a back link assembly 42 and a middle link assembly 43, the back link assembly 42 comprises a first back link assembly 421 and a second back link assembly 422, the first back link assembly 421 is connected with the foot link assembly 41 through the middle link assembly 43, the second back link assembly 422 is connected with a third driving rod 423, the lifting connecting plate 21 is also connected with a fourth driving rod 424, the third driving rod 423 is provided with a third driving connecting piece 425, the fourth driving rod 424 is provided with a fourth driving connecting piece 426, and the third driving connecting piece 425 and the fourth driving connecting piece 426 are used for connecting a second driving motor.
Specifically, the connection manner of the related components may refer to the connection manner of the seat frame in embodiment 1, and will not be described again.
As described above, the invention has the following beneficial effects:
(1) The two motors are used for respectively controlling the postures of different parts, and a lifting connecting plate is used for replacing the original complex frame structure, so that the weight of the original seat frame is reduced, the assembly error is reduced, the whole structure is stable, the manufacturing cost is low, the assembly process is simplified, the manufacturing cost is reduced, and the flexible adjustment function is realized;
(2) All parts connected with the lifting connecting plate are riveted, so that the positioning is more accurate, the mounting error is smaller, and the overall structure is more accurate to cooperate; all actions of the seat frame are integrated on the lifting connecting plate for riveting, and as a single module, the pipe fitting is also used independently, so that the seat frame is matched with other different bases more easily;
(3) The two ends of the driving rod are directly connected with the mechanism to be driven, the stress points are evenly distributed on two sides, the stress is more uniform, the driving is more stable, and the shaking of the structure is reduced in the lifting process.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
The embodiments and features of the embodiments described herein can be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and it is needless to say that the scope of the invention is not limited thereto, and therefore, the equivalent changes according to the claims of the present invention still fall within the scope of the present invention.
Claims (10)
1. The seat frame driven by double motors is characterized by comprising a base frame (1), a lifting assembly (2), a driving assembly (3) and a telescopic connecting rod assembly (4); the telescopic connecting rod assembly (4) is connected with a foot connecting piece (5) and a backrest connecting piece (6); the driving assembly (3) is used for driving the telescopic connecting rod assembly (4) under the driving of the first driving motor to change the telescopic state of the foot connecting piece (5) and driving the lifting assembly (2) to lift; and is used for driving the backrest connecting piece (6) to carry out angle adjustment under the driving of the second motor;
The driving assembly (3) comprises a first driving rod (31), and a first driving connecting piece (32) is arranged on the first driving rod (31);
The lifting assembly (2) comprises a lifting connecting plate (21), the lifting connecting plate (21) is respectively connected with the driving assembly (3) and the telescopic connecting rod assembly (4), a second driving connecting piece (11) is arranged on the base frame (1), and the first driving connecting piece (32) and the second driving connecting piece (11) are used for connecting a first driving motor;
The telescopic connecting rod assembly (4) comprises a foot connecting rod assembly (41), a back connecting rod assembly (42) and an intermediate connecting rod assembly (43), the back connecting rod assembly (42) comprises a first back connecting rod assembly (421) and a second back connecting rod assembly (422), the first back connecting rod assembly (421) is connected with the foot connecting rod assembly (41) through the intermediate connecting rod assembly (43), the second back connecting rod assembly (422) is connected with a third driving rod (423), the lifting connecting plate (21) is further connected with a fourth driving rod (424), the third driving rod (423) is provided with a third driving connecting piece (425), and the fourth driving rod (424) is provided with a fourth driving connecting piece (426), and the third driving connecting piece (425) and the fourth driving connecting piece (426) are used for connecting a second driving motor.
2. The seat frame driven by double motors according to claim 1, wherein 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 and 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 and rotatably connected with the lifting connecting plate (21).
3. The seat frame with double motor drive according to claim 2, characterized in that the drive assembly (3) further comprises a first drive connection (32), a lifting connection piece (33) and a telescopic drive connection (34);
Lifting connection piece (33) are connected respectively at actuating lever (31) both ends, lifting connection piece (33) with lifting connection board (21) are connected, actuating lever (31) both ends still with flexible link assembly (4) are connected, first back link assembly (421) with flexible drive connecting piece (34) relative fixed connection or structure as an organic whole, flexible drive connecting piece (34) with lifting connection board (21) fixed connection.
4. A seat frame driven by a double motor according to claim 3, wherein driving rod riveting pieces (311) are respectively arranged at two ends of the driving rod (31), the driving rod riveting pieces (311) are fixedly connected with the lifting connecting pieces (33), and the lifting connecting pieces (33) are respectively connected with the lifting connecting plate (21) and the foot connecting rod assembly (41) for driving lifting of the lifting connecting plate (21) and expansion and contraction of the foot connecting rod assembly (41).
5. The seat frame with dual motor drive of claim 4, wherein the drive end of the telescoping drive connection (34) is riveted to the telescoping link assembly (4).
6. The seat frame driven by double motors according to claim 2, wherein two supporting seats (25) are arranged on the outer side face of a longitudinal underframe of the base frame (1), the first lifting connecting rod (22) is arranged on the outer side face of the supporting seats (25), and the longitudinal underframe is used for limiting the lowest descending position of the first stabilizing connecting rod (24).
7. The seat frame driven by double motors according to claim 6, wherein a second stabilizing connecting rod (35) is connected between the two lifting connecting plates (21), and the upper end of the supporting seat (25) is used for limiting the lowest descending position of the second stabilizing connecting rod (35).
8. The seat frame with dual motor drive according to claim 1, wherein the first drive connection (32) is for connecting a drive rod of a first drive motor, the second drive connection (11) is for connecting a housing of a first drive motor, the third drive connection (425) is for connecting a drive rod of the second drive motor, and the fourth drive connection (426) is for connecting a housing of a second drive motor.
9. The seat frame with dual motor drive of claim 8, wherein the projections of the first drive link (32), the second drive link (11), the third drive link (425) and the fourth drive link (426) on a horizontal plane do not overlap.
10. A seat, characterized by comprising a backrest support, a foot support and a seat frame, wherein the seat frame comprises a base frame (1), a lifting assembly (2), a driving assembly (3) and a telescopic connecting rod assembly (4);
The telescopic connecting rod assembly (4) is connected with a foot connecting piece (5) and a backrest connecting piece (6); the driving assembly (3) is used for driving the telescopic connecting rod assembly (4) to change the telescopic state of the foot connecting piece (5) and driving the lifting assembly (2) to lift; and is used for driving the backrest connecting piece (6) to carry out angle adjustment under the driving of the second motor; the driving assembly (3) comprises a first driving rod (31), and a first driving connecting piece (32) is arranged on the first driving rod (31);
The lifting assembly (2) comprises a lifting connecting plate (21), the lifting connecting plate (21) is respectively connected with the first driving rod (31), the driving assembly (3) and the telescopic connecting rod assembly (4), a second driving connecting piece (11) is arranged on the base frame (1), and the first driving connecting piece (32) and the second driving connecting piece (11) are used for being connected with a first driving motor;
The telescopic connecting rod assembly (4) comprises a foot connecting rod assembly (41), a back connecting rod assembly (42) and an intermediate connecting rod assembly (43), the back connecting rod assembly (42) comprises a first back connecting rod assembly (421) and a second back connecting rod assembly (422), the first back connecting rod assembly (421) is connected with the foot connecting rod assembly (41) through the intermediate connecting rod assembly (43), the second back connecting rod assembly (422) is connected with a third driving rod (423), the lifting connecting plate (21) is further connected with a fourth driving rod (424), the third driving rod (423) is provided with a third driving connecting piece (425), and the fourth driving rod (424) is provided with a fourth driving connecting piece (426), and the third driving connecting piece (425) and the fourth driving connecting piece (426) are used for connecting a second driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775694.1A CN112089241B (en) | 2020-08-05 | 2020-08-05 | A seat frame and seat driven by dual motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010775694.1A CN112089241B (en) | 2020-08-05 | 2020-08-05 | A seat frame and seat driven by dual motors |
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| Publication Number | Publication Date |
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| CN112089241A CN112089241A (en) | 2020-12-18 |
| CN112089241B true CN112089241B (en) | 2024-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010775694.1A Active CN112089241B (en) | 2020-08-05 | 2020-08-05 | A seat frame and seat driven by dual motors |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115120425A (en) * | 2022-08-02 | 2022-09-30 | 皖江工学院 | Intelligent auxiliary wheelchair |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212591132U (en) * | 2020-08-05 | 2021-02-26 | 锐迈机械科技（吴江）有限公司 | A seat frame and seat driven by dual motors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417895B (en) * | 2004-09-13 | 2008-12-17 | Golden Technologies Inc | Lift chair and recliner |
| CN104287492B (en) * | 2014-06-04 | 2017-05-17 | 常州市锐新医疗器械有限公司 | Double-motor-driven sling chair mechanism |
| CN204410174U (en) * | 2015-01-16 | 2015-06-24 | 浙江工业大学 | A kind of bi-motor leisure chaise longue |
| CN108125435B (en) * | 2015-12-22 | 2021-10-01 | 锐迈机械科技（吴江）有限公司 | Old man's chair mechanical device |
| CN107157163B (en) * | 2017-06-19 | 2023-08-04 | 海宁美惠机械有限公司 | Double motor liftable elderly chair |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212591132U (en) * | 2020-08-05 | 2021-02-26 | 锐迈机械科技（吴江）有限公司 | A seat frame and seat driven by dual motors |
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Country or region after: China Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Ruimai Technology Co.,Ltd. Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. Country or region before: China |
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