CN210810108U - Lifting sofa - Google Patents
Lifting sofa Download PDFInfo
- Publication number
- CN210810108U CN210810108U CN201921427352.XU CN201921427352U CN210810108U CN 210810108 U CN210810108 U CN 210810108U CN 201921427352 U CN201921427352 U CN 201921427352U CN 210810108 U CN210810108 U CN 210810108U
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- base
- transmission shaft
- sofa
- lifting
- screw rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000003028 elevating effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A lifting sofa comprises a base and a cushion arranged above the base, wherein a base lifting device is arranged below the base and comprises a power device, a transmission shaft and two lifting mechanisms; the two lifting mechanisms are respectively connected to two ends of the transmission shaft and are positioned on the left side and the right side of the base, and the upper ends of the lifting mechanisms are supported at the bottom of the base; the power device is connected with the transmission shaft and used for driving the transmission shaft to rotate, so that the transmission shaft drives the two lifting mechanisms to lift together. The sofa can be well controlled to ascend and descend so as to adapt to people with different heights.
Description
Technical Field
The utility model relates to the sofa field, in particular to a lifting sofa.
Background
Most of the existing sofas cannot be lifted, and people with different heights can be more or less uncomfortable when the height of the sofa is inappropriate. The existing lifting seat is controlled to lift through a pneumatic cylinder, the area of a base of a sofa is larger than that of the seat, and if the base of the sofa is supported through the pneumatic cylinder, the sofa is easy to topple and damage the base of the sofa is easy to cause. If the sofa is supported by the plurality of cylinders, the cylinders cannot be well lifted synchronously, and lifting adjustment is difficult.
Disclosure of Invention
The utility model aims to provide a: in order to solve the existing problems, the lifting sofa is provided, and the lifting of the sofa can be well controlled, so that the sofa can adapt to people with different heights.
The utility model adopts the technical scheme as follows:
a lifting sofa comprises a base and a cushion arranged above the base, wherein a base lifting device is arranged below the base and comprises a power device, a transmission shaft and two lifting mechanisms; the two lifting mechanisms are respectively connected to two ends of the transmission shaft and are positioned on the left side and the right side of the base, and the upper ends of the lifting mechanisms are supported at the bottom of the base; the power device is connected with the transmission shaft and used for driving the transmission shaft to rotate, so that the transmission shaft drives the two lifting mechanisms to lift together.
Due to the structure, the lifting mechanisms are synchronously controlled to synchronously lift through the rotation of the transmission shaft, and the height of the sofa can be conveniently adjusted. The problems that in the adjusting process, lifting mechanisms are lifted differently, so that the lifting mechanisms are blocked and the like are solved. And simultaneously, the utility model discloses, support the sofa through two elevating system, can guarantee the stationarity of sofa.
Furthermore, the lifting mechanism comprises a supporting base, a lifting sleeve is arranged above the supporting base and comprises a fixed sleeve and a movable sleeve, the lower end of the fixed sleeve is fixedly arranged at the top of the supporting base, the upper end of the fixed sleeve is movably connected with the lower end of the movable sleeve, so that the movable sleeve can move up and down along the fixed sleeve, and the top of the movable sleeve is sealed and connected with the base; the support base is internally provided with a screw rod lifting mechanism, and the screw rod lifting mechanism is connected with the transmission shaft and drives the movable sleeve to lift along the fixed sleeve.
Further, the screw rod lifting mechanism comprises a worm wheel, a worm and a screw rod; the screw rod is vertically arranged, the upper end of the screw rod extends into the lifting sleeve and is connected with the top of the movable sleeve, and the lower end of the screw rod extends into the supporting base; the worm wheel and the worm are mutually meshed and are rotatably arranged in the supporting base, and the worm wheel is sleeved on the screw rod and is in threaded connection with the screw rod; the axial direction of the worm is vertical to the screw rod; one end of the screw rod is connected with the transmission shaft, and when the transmission shaft rotates, the worm drives the worm wheel to rotate, so that the screw rod moves up and down.
Due to the structure, the worm wheel and the worm are arranged in the supporting base, the supporting base limits the movement of the worm wheel and the worm in the non-rotating direction, when the worm wheel is in threaded connection with the screw rod, the worm wheel cannot move up and down, the screw rod can only move up and down, and the screw rod controls the movable sleeve to move up and down. The lifting of the base is realized.
Furthermore, the power device is a driving motor, and the driving motor is connected with the transmission shaft through a gear and is used for driving the transmission shaft to rotate.
Furthermore, a driving gear is arranged on an output shaft of the driving motor, a driven gear is arranged on the transmission shaft, the driven gear is located in the middle of the transmission shaft, and the driving gear is meshed with the driven gear.
Due to the structure, the driven gear is positioned in the middle of the transmission shaft, and the driving motor is also positioned at the position, so that the gravity center symmetry of the whole sofa is ensured.
Further, the transmission shaft overcoat is equipped with the shell, the both ends of shell link to each other with the support base respectively, driving motor is fixed to be set up in the shell.
Due to the structure, the transmission shaft and the driving motor are wrapped by the shell, so that the whole sofa looks more attractive, and is safer in use.
Furthermore, a backrest is arranged behind the base, and the base is arranged on the backrest in a sliding manner, so that the base can slide up and down relative to the backrest.
Furthermore, two parallel sliding rails are vertically arranged on the backrest, the sliding rails are located on the lower portion of the backrest, two sliding grooves are formed in the rear side face of the base, and the two sliding rails are arranged in the two sliding grooves in a matched mode.
Due to the structure, the slide rail is positioned at the lower part of the backrest, and a space for supporting a human body is reserved for the upper part of the backrest.
Furthermore, the left side and the right side of the base are provided with armrests, and the rear ends of the armrests are fixedly connected with the sofa backrest.
Furthermore, a lifting control key is arranged on the front side face of the handrail or the base, and the lifting control key is connected with the driving motor through a driving motor control circuit and used for controlling the driving motor to rotate forwards and backwards.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a lifting method adjusts the convenience, is fit for the height that different height crowds need, and supports through two elevating system, can guarantee the steady of base, just the utility model discloses a lead screw that elevating system adopted goes up and down, can prevent that the base from gliding, and stability is good.
Drawings
FIG. 1 is an overall structure of the present invention;
fig. 2 is a bottom structure of the present invention;
FIG. 3 is a top view of the lifting device;
fig. 4 is a sectional view of the lifting device.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses a lifting sofa, which comprises a base 2 and a cushion 1 arranged above the base 2, wherein a lifting device of the base 2 is arranged below the base 2, and the lifting device of the base 2 comprises a power device, a transmission shaft 9 and two lifting mechanisms; the two lifting mechanisms are respectively connected to two ends of the transmission shaft 9 and are positioned at the left side and the right side of the base 2, and the upper ends of the lifting mechanisms are supported at the bottom of the base 2; the lower end of the lifting mechanism is supported on the bottom surface; the power device is connected with the transmission shaft 9 and used for driving the transmission shaft 9 to rotate, so that the transmission shaft 9 drives the two lifting mechanisms to lift together.
Elevating system is including supporting base 4, supports 4 tops of base and is provided with lifting sleeve 5, lifting sleeve 5 includes fixed sleeve 11 and movable sleeve 12, as shown in fig. 4, 11 lower extreme openings on the fixed sleeve, its lower extreme is fixed to be set up at supporting 4 tops of base, 11 upper ends of fixed sleeve and 12 lower extreme swing joint of movable sleeve, make movable sleeve 12 can reciprocate along fixed sleeve 11, as shown in fig. 4, the movable sleeve 12 lower extreme inserts in fixed sleeve 11, can stretch out and draw back in fixed sleeve 11. The top of the movable sleeve 12 is sealed and connected with the base 2; a screw rod 10 lifting mechanism is arranged in the supporting base 4, and is connected with the transmission shaft 9 and drives the movable sleeve 12 to lift along the fixed sleeve 11.
The screw rod 10 lifting mechanism comprises a worm wheel 7, a worm 8 and a screw rod 10; the screw rod 10 is vertically arranged, the upper end of the screw rod 10 extends into the lifting sleeve 5 and is connected with the top of the movable sleeve 12, and the lower end of the screw rod 10 extends into the supporting base 4; the worm wheel 7 and the worm 8 are meshed with each other and are rotatably arranged in the supporting base 4, and the limiting worm 8 is sleeved on the screw rod 10 on the worm wheel 7 and is in threaded connection with the screw rod 10; the axial direction of the worm 8 is vertical to the screw rod 10; the support base 4 limits the worm wheel 7 to move in the vertical direction and limits the worm 8 to move in the horizontal direction; one end of the screw rod 10 is connected with the transmission shaft 9, and when the transmission shaft 9 rotates, the worm 8 drives the worm wheel 7 to rotate, so that the screw rod 10 moves up and down.
The power device is a driving motor 6, and the driving motor 6 is connected with the transmission shaft 9 through a gear and used for driving the transmission shaft 9 to rotate.
The driving gear is arranged on an output shaft of the driving motor 6, the driven gear is arranged on the transmission shaft 9, the driven gear is located in the middle of the transmission shaft 9, and the driving gear is meshed with the driven gear. The diameter of the driven gear is larger than that of the driving gear, so that the transmission shaft 9 can rotate slightly slowly, and the safety in the lifting process is ensured. As shown in fig. 3, in the present embodiment, the driving gear and the driven gear are both bevel gears, so that the driving motor 6 is located at the middle of the two lifting mechanisms to control the center of gravity balance.
The transmission shaft 9 overcoat is equipped with shell 3, the both ends of shell 3 link to each other with support base 4 respectively, driving motor 6 is fixed to be set up in the shell 3.
A backrest is arranged behind the base 2, and the base 2 is arranged on the backrest in a sliding manner, so that the base 2 can slide up and down relative to the backrest.
Two parallel sliding rails are vertically arranged on the backrest, the sliding rails are located on the lower portion of the backrest, two sliding grooves are formed in the rear side face of the base 2, and the two sliding rails are arranged in the two sliding grooves in a matched mode.
The shapes of the sliding groove and the sliding rail can be set to be wedge-shaped structures, namely, the opening of the sliding groove is small, the bottom of the sliding groove is large, and the shape of the sliding rail is matched with the sliding groove structure. Therefore, the sliding rail can be clamped in the sliding groove, and the sliding rail is prevented from being separated from the sliding groove in the using process.
The left side and the right side of the base 2 are provided with armrests, and the rear ends of the armrests are fixedly connected with a sofa backrest.
And a lifting control key is arranged on the front side surface of the handrail or the base 2, and is connected with the driving motor 6 through a control circuit of the driving motor 6 and used for controlling the driving motor 6 to rotate forwards and backwards. The utility model discloses a driving motor 6 can adopt three-phase motor or direct current motor, then driving motor 6 control circuit carries out positive and negative patch cord according to the motor of difference to make control button can control the motor positive and negative rotation. The driving motor 6 can be powered by the mains supply in the room or by a battery.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a lift sofa, it includes base (2) and sets up cushion (1) in base (2) top, its characterized in that: a base (2) lifting device is arranged below the base (2), and the base (2) lifting device comprises a power device, a transmission shaft (9) and two lifting mechanisms; the two lifting mechanisms are respectively connected to two ends of the transmission shaft (9) and positioned on the left side and the right side of the base (2), and the upper ends of the lifting mechanisms are supported at the bottom of the base (2); the power device is connected with the transmission shaft (9) and is used for driving the transmission shaft (9) to rotate, so that the transmission shaft (9) drives the two lifting mechanisms to lift together.
2. The elevating sofa of claim 1, wherein: the lifting mechanism comprises a supporting base (4), a lifting sleeve (5) is arranged above the supporting base (4), the lifting sleeve (5) comprises a fixed sleeve (11) and a movable sleeve (12), the lower end of the fixed sleeve (11) is fixedly arranged at the top of the supporting base (4), the upper end of the fixed sleeve (11) is movably connected with the lower end of the movable sleeve (12), so that the movable sleeve (12) can move up and down along the fixed sleeve (11), and the top of the movable sleeve (12) is sealed and connected with the base (2); and a screw rod (10) lifting mechanism is arranged in the supporting base (4), is connected with the transmission shaft (9) and drives the movable sleeve (12) to lift along the fixed sleeve (11).
3. The elevating sofa of claim 2, wherein: the screw rod (10) lifting mechanism comprises a worm wheel (7), a worm (8) and a screw rod (10); the screw rod (10) is vertically arranged, the upper end of the screw rod (10) extends into the lifting sleeve (5) and is connected with the top of the movable sleeve (12), and the lower end of the screw rod (10) extends into the supporting base (4); the worm wheel (7) and the worm (8) are meshed with each other and are rotatably arranged in the supporting base (4), and the worm wheel (7) is sleeved on the screw rod (10) and is in threaded connection with the screw rod (10); the axial direction of the worm (8) is vertical to the screw rod (10); one end of the screw rod (10) is connected with the transmission shaft (9), and when the transmission shaft (9) rotates, the worm (8) drives the worm wheel (7) to rotate, so that the screw rod (10) moves up and down.
4. The elevating sofa of claim 1, wherein: the power device is a driving motor (6), and the driving motor (6) is connected with the transmission shaft (9) through a gear and used for driving the transmission shaft (9) to rotate.
5. The elevating sofa of claim 4, wherein: the driving gear is arranged on an output shaft of the driving motor (6), the driven gear is arranged on the transmission shaft (9), the driven gear is located in the middle of the transmission shaft (9), and the driving gear is meshed with the driven gear.
6. The elevating sofa of claim 5, wherein: the transmission shaft (9) is sleeved with a shell (3), two ends of the shell (3) are connected with the supporting base (4) respectively, and the driving motor (6) is fixedly arranged in the shell (3).
7. The elevating sofa of claim 1, wherein: the backrest is arranged behind the base (2), and the base (2) is arranged on the backrest in a sliding manner, so that the base (2) can slide up and down relative to the backrest.
8. The elevating sofa of claim 7, wherein: the backrest is vertically provided with two parallel sliding rails, the sliding rails are located on the lower portion of the backrest, the rear side face of the base (2) is provided with two sliding grooves, and the two sliding rails are arranged in the two sliding grooves in a matching mode.
9. The elevating sofa of claim 8, wherein: the left side and the right side of the base (2) are provided with armrests, and the rear ends of the armrests are fixedly connected with a sofa backrest.
10. The elevating sofa of claim 9, wherein: the lifting control key is arranged on the front side face of the handrail or the base (2), and is connected with the driving motor (6) through a control circuit of the driving motor (6) and used for controlling the driving motor (6) to rotate forwards and backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427352.XU CN210810108U (en) | 2019-08-30 | 2019-08-30 | Lifting sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427352.XU CN210810108U (en) | 2019-08-30 | 2019-08-30 | Lifting sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210810108U true CN210810108U (en) | 2020-06-23 |
Family
ID=71250198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921427352.XU Expired - Fee Related CN210810108U (en) | 2019-08-30 | 2019-08-30 | Lifting sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210810108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114886263A (en) * | 2022-04-25 | 2022-08-12 | 适居之家科技有限公司 | Intelligent functional sofa |
| CN114903311A (en) * | 2022-05-31 | 2022-08-16 | 东莞戎马家具有限公司 | A combined living room soft sofa |
-
2019
- 2019-08-30 CN CN201921427352.XU patent/CN210810108U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114886263A (en) * | 2022-04-25 | 2022-08-12 | 适居之家科技有限公司 | Intelligent functional sofa |
| CN114903311A (en) * | 2022-05-31 | 2022-08-16 | 东莞戎马家具有限公司 | A combined living room soft sofa |
| CN114903311B (en) * | 2022-05-31 | 2024-03-12 | 东莞戎马家具有限公司 | Combined living room soft sofa |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |