CN220089028U - Sofa backrest lifting driving device and sofa - Google Patents
Sofa backrest lifting driving device and sofa Download PDFInfo
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- CN220089028U CN220089028U CN202321659393.8U CN202321659393U CN220089028U CN 220089028 U CN220089028 U CN 220089028U CN 202321659393 U CN202321659393 U CN 202321659393U CN 220089028 U CN220089028 U CN 220089028U
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- sofa
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- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 11
- 238000009434 installation Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Seats For Vehicles (AREA)
Abstract
The utility model relates to the technical field of furniture, in particular to a sofa backrest lifting driving device and a sofa. Through adjusting the length dimension of flexible arm, drive movable skeleton and go up and down to slide and adjust to drive the sofa back and carry out the adjustment of going up and down to the sofa seat relatively, realize the high position adjustment of sofa back, in order to satisfy different crowds to the user demand of back, thereby make the sofa back be in the best position of leaning on human back, improve the comfort level of use of sofa back.
Description
Technical Field
The utility model relates to the technical field of furniture, in particular to a sofa backrest lifting driving device and a sofa.
Background
Sofa is an indispensable household article in people's life, especially as furniture commonly used in family life, is generally used for providing rest, and along with the change of modern people's consumption theory, consumer groups are more focused on humanization to the selection of product, so modern people are more focused on the matching and the wholeness of house.
At present, sofa on the market includes the pedestal and sets up in the back of pedestal one side, can realize the rest gesture of seat back or lying and lean on, and back upper portion is lower in the high position under the general condition, and back and pedestal are fixed, because the back height of different crowds is different, and fixed back can't satisfy different crowds user demand, consequently needs further improvement.
Disclosure of Invention
In order to meet the use requirements of different people on the backrest and improve the use comfort of the sofa backrest, one of the purposes of the utility model is to provide a sofa backrest lifting driving device.
The utility model provides a sofa backrest lifting driving device which adopts the following technical scheme:
the utility model provides a sofa backrest lift drive, includes fixed skeleton, slides along vertical and connects in fixed skeleton's movable skeleton and set up the flexible arm between fixed skeleton and movable skeleton, and fixed skeleton is used for installing in sofa pedestal one side, and movable skeleton is used for installing on the sofa backrest.
Through adopting above-mentioned technical scheme, through adjusting the length dimension of flexible arm, drive movable skeleton and go up and down to slide and adjust to drive the sofa back and carry out the adjustment that goes up and down to slide with respect to the sofa seat body, realize the high position adjustment of sofa back, in order to satisfy different crowds to the user demand of back, thereby make the sofa back be in the best position of leaning on human back, improve the comfort level of use of sofa back.
Preferably, the fixed skeleton includes fixed plate and fixed channel-section steel of fixed connection in the fixed plate, and fixed channel-section steel is vertical setting, the movable skeleton includes fly leaf and fixed connection in the fly leaf and slide the guide rail body of connecting in fixed channel-section steel.
Through adopting above-mentioned technical scheme, the fixed plate provides the installation carrier for fixed channel-section steel, and the fly leaf provides the installation carrier for the guide rail body, realizes the slip assembly of fixed skeleton and movable skeleton through setting up fixed channel-section steel and guide rail body.
Preferably, the movable framework is fixedly connected with a first connecting seat, the first connecting seat is fixedly connected with a plug bush, the first connecting seat is provided with a second connecting seat in a matched mode, the second connecting seat is fixedly connected with a plug bolt which is inserted into an inner hole of the plug bush in a protruding mode along the vertical sliding mode, and the second connecting seat is used for being installed on a sofa backrest.
Through adopting above-mentioned technical scheme, when installing sofa backrest and movable skeleton, will set up behind the plug on the second connecting seat on the sofa backrest to the plug bush on the first connecting seat, and the plug is located the top of plug bush, moves down the sofa backrest and makes the plug slide along vertical and cartridge in the hole of plug bush, realizes the quick installation of sofa backrest and movable skeleton.
Preferably, the telescopic arm comprises a gas spring, a cylinder body of the gas spring is fixedly connected to the fixed framework, and a piston rod of the gas spring is fixedly connected to the movable framework.
Through adopting above-mentioned technical scheme, through the cylinder body inner chamber to gas spring input inert gas makes the piston rod of gas spring flexible to realize moving up of movable skeleton, when needs move down to movable skeleton, only need apply decurrent effort alright realize gas spring's piston rod shrink to movable skeleton.
Preferably, the fixed skeleton is provided with stroke limiter, and the stroke limiter is used for the butt in the activity skeleton including setting up in the mounting panel of fixed skeleton and fixed connection in mounting panel upper portion and being located the limiting plate of activity skeleton top.
Through adopting above-mentioned technical scheme, the mounting panel provides the installation carrier for the limiting plate, when the movable skeleton moves up to the butt in limiting plate position department, is the limit height of movable skeleton promptly, and gas spring's piston rod stops stretching out.
Preferably, the movable framework is provided with a soft cushion which is abutted with the limiting plate.
Through adopting above-mentioned technical scheme, the movable skeleton sets up the cushion, can effectively reduce the piston rod of air spring drive movable skeleton and move up the in-process and take place the possibility of rigid collision with the limiting plate, improve limiting plate/movable skeleton's life, and effectively reduce the collision noise that the movable skeleton sent when rising to the highest.
Preferably, the mounting plate is provided with a mounting hole, and the mounting plate is provided with a threaded fastener penetrating through the mounting hole and in threaded connection with the fixed framework.
Through adopting above-mentioned technical scheme, realize the dismantlement connection of mounting panel and fixed skeleton through threaded fastener.
Preferably, the mounting holes are provided in plurality and vertically distributed.
Through adopting above-mentioned technical scheme, the mounting hole is provided with a plurality of, and the installation position of mounting panel is adjusted to the installer of being convenient for to adjust the height position of limiting plate, and then adjust the highest position of sliding of movable skeleton according to the sofa of different models.
Preferably, the telescopic arm comprises an electric push rod, a cylinder body of the electric push rod is fixedly connected to the fixed framework, and a piston rod of the electric push rod is fixedly connected to the movable framework.
Through adopting above-mentioned technical scheme, when need carrying out the regulation to the high position of sofa back, start electric putter, control electric putter's the flexible volume of piston rod, and then realize the electric regulation of movable skeleton high position.
In order to meet the use requirements of different people on the backrest and improve the use comfort of the sofa backrest, the second purpose of the utility model is to provide a sofa.
A sofa comprises a sofa seat body, a sofa backrest and a sofa backrest lifting driving device, wherein a rear bearing seat is fixedly connected to one side of the sofa seat body, a fixed framework is fixedly connected to the rear bearing seat, and the sofa backrest is installed on a movable framework.
In summary, the utility model has the following beneficial effects:
1. the length and the size of the telescopic arm are adjusted to drive the movable framework to carry out lifting and sliding adjustment, so that the sofa backrest is driven to carry out lifting and sliding adjustment relative to the sofa seat body, the height position adjustment of the sofa backrest is realized, the use requirements of different people on the backrest are met, the sofa backrest is in the optimal position for abutting against the back of a human body, and the use comfort of the sofa backrest is improved;
2. the movable framework is provided with the soft cushion, so that the possibility of rigid collision between the piston rod of the gas spring and the limiting plate in the process of driving the movable framework to move upwards can be effectively reduced, the service life of the limiting plate/the movable framework is prolonged, and the collision noise generated when the movable framework rises to the highest position is effectively reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a sofa;
FIG. 2 is a schematic view of the connection structure of the sofa backrest lifting drive and the rear seat;
FIG. 3 is a schematic view of the sofa backrest lifting drive;
fig. 4 is a schematic structural view of the second connection plate and the second connection seat.
In the figure, 10, a sofa seat body; 20. a sofa backrest; 30. a rear seat; 40. a first connection plate; 50. a second connecting plate; 1. fixing the framework; 11. a fixing plate; 12. fixing channel steel; 2. a movable skeleton; 21. a movable plate; 22. a guide rail body; 23. a first connection base; 24. a plug bush; 25. a second connecting seat; 26. a plug; 27. a limit part; 28. a soft cushion; 3. a telescoping arm; 4. a travel limiter; 41. a mounting plate; 42. a limiting plate; 43. and (5) mounting holes.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Example 1:
the embodiment of the utility model discloses a sofa, referring to fig. 1 and 2, comprising a sofa seat body 10, a sofa backrest 20 and a sofa backrest lifting driving device, wherein a rear bearing seat 30 is fixedly connected to the rear side of the sofa seat body 10, and the upper end surface of the rear bearing seat 30 is higher than the upper end surface of the sofa seat body 10. The sofa backrest 20 is located at the front side of the rear seat 30, and the sofa backrest 20 is slidingly connected to the rear seat 30 in the vertical direction. The rear seat 30 has a first connection plate 40, the sofa backrest 20 has a second connection plate 50, and the sofa backrest lifting driving device is disposed between the first connection plate 40 and the second connection plate 50.
Referring to fig. 2 and 3, specifically, the sofa backrest lifting driving device includes a fixed frame 1, a movable frame 2 slidably connected to the fixed frame 1 along a vertical direction, and a telescopic arm 3 disposed between the fixed frame 1 and the movable frame 2. The fixed skeleton 1 includes fixed connection in the positive fixed plate 11 of first connecting plate 40 and fixed channel-section steel 12 of fixed connection in fixed plate 11, and fixed plate 11 is provided with two and is the upper and lower distribution, and fixed channel-section steel 12 sets up two and corresponds the both sides that set up in fixed plate 11, and fixed channel-section steel 12 is vertical setting, and fixed channel-section steel 12's upper portion protrusion is in the fixed plate 11 up end that is located the top.
Referring to fig. 3 and 4, the movable frame 2 includes a movable plate 21 and a guide rail body 22 fixedly connected to the movable plate 21 and slidingly connected to the fixed channel steel 12, and the guide rail body 22 is provided with two guide rail bodies and is respectively located at two sides of the movable plate 21 correspondingly. One side of each guide rail body 22 far away from the fixed channel steel 12 is fixedly connected with a first connecting seat 23, and the first connecting seats 23 are provided with two and are distributed up and down. The first connecting seat 23 is fixedly connected with a plug bush 24, the plug bush 24 is vertically arranged, the back surface of the second connecting plate 50 is fixedly connected with a second connecting seat 25, and the second connecting seat 25 is fixedly connected with a plug 26 which is inserted into an inner hole of the plug bush 24 in a protruding mode along vertical sliding.
Referring to fig. 3, the upper end surfaces of both sides of the movable plate 21 are recessed downward to form the limiting parts 27, so that the movable plate 21 has a shape of a Chinese character 'ji' with high middle and low sides, and the upper fixed plate 11 is provided with the travel limiting part 4. The stroke limiter 4 includes a mounting plate 41 mounted on the fixed plate 11, and a limiting plate 42 fixedly connected to an upper portion of the mounting plate 41 and located directly above the limiting portion 27 of the movable plate 21. The mounting plate 41 is vertically arranged, the mounting plate 41 is provided with mounting holes 43, the mounting holes 43 are provided with a plurality of threaded fasteners (not shown in the figure) penetrating the mounting holes 43 and being in threaded connection with the fixing plate 11, and the threaded fasteners are bolts in the embodiment. The limiting portion 27 of the movable plate 21 is fixedly connected with a soft cushion 28 for abutting against the lower end face of the limiting plate 42, and specifically, the soft cushion 28 is a rubber cushion.
The telescopic arm 3 is a gas spring, the cylinder body of the gas spring is fixedly connected to the fixed plate 11 below, and the piston rod of the gas spring is fixedly connected to the movable plate 21. Specifically, the air spring is a self-locking air spring, and a self-locking and jumping-out compression type air spring disclosed in an authorized bulletin number of CN202118167U can be adopted, and the structure of the self-locking and jumping-out compression type air spring is the prior art and is not described in detail herein.
The implementation principle of the sofa provided by the embodiment of the utility model is as follows: the action force is manually applied to the sofa backrest 20 to enable the piston rod of the air spring to vertically stretch and retract, and the movable framework 2 is driven to lift and slide and adjust, so that the sofa backrest 20 is driven to lift and slide and adjust relative to the rear bearing seat 30, the height position of the sofa backrest 20 is adjusted, and the use comfort of the sofa backrest 20 is improved.
Example 2: the difference from embodiment 1 is that referring to fig. 3, the telescopic arm 3 may be an electric push rod, the cylinder of which is fixedly connected to the lower fixed plate 11, and the piston rod of which is fixedly connected to the movable plate 21. When the height position of the sofa backrest 20 needs to be adjusted, the electric push rod is started, the expansion and contraction amount of the piston rod of the electric push rod is controlled, and further the electric adjustment of the height position of the movable framework 2 is realized.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a sofa backrest lift drive which characterized in that: including fixed skeleton (1), slide along vertical and connect in movable skeleton (2) of fixed skeleton (1) and set up flexible arm (3) between fixed skeleton (1) and movable skeleton (2), fixed skeleton (1) are used for installing in sofa pedestal (10) one side, and movable skeleton (2) are used for installing on sofa back (20).
2. The sofa backrest lifting drive of claim 1, wherein: the fixed framework (1) comprises a fixed plate (11) and fixed channel steel (12) fixedly connected to the fixed plate (11), the fixed channel steel (12) is vertically arranged, and the movable framework (2) comprises a movable plate (21) and a guide rail body (22) fixedly connected to the movable plate (21) and slidingly connected to the fixed channel steel (12).
3. The sofa backrest lifting drive of claim 1, wherein: the movable framework (2) is fixedly connected with a first connecting seat (23), the first connecting seat (23) is fixedly connected with a plug bush (24), the first connecting seat (23) is provided with a second connecting seat (25) in a matched mode, the second connecting seat (25) is fixedly connected with a plug (26) which is inserted into an inner hole of the plug bush (24) in a protruding mode along the vertical sliding mode, and the second connecting seat (25) is used for being installed on the sofa backrest (20).
4. The sofa backrest lifting drive of claim 1, wherein: the telescopic arm (3) comprises a gas spring, a cylinder body of the gas spring is fixedly connected to the fixed framework (1), and a piston rod of the gas spring is fixedly connected to the movable framework (2).
5. The sofa backrest lifting drive of claim 4, wherein: the fixed skeleton (1) is provided with stroke limiter (4), and stroke limiter (4) are including setting up in mounting panel (41) of fixed skeleton (1) and fixed connection in mounting panel (41) upper portion and be located limiting plate (42) of activity skeleton (2) top, limiting plate (42) are used for the butt in activity skeleton (2).
6. The sofa backrest lifting drive of claim 5, wherein: the movable framework (2) is provided with a soft cushion (28) which is abutted with the limiting plate (42).
7. The sofa backrest lifting drive of claim 5, wherein: the mounting plate (41) is provided with a mounting hole (43), and the mounting plate (41) is provided with a threaded fastener which penetrates through the mounting hole (43) and is in threaded connection with the fixed framework (1).
8. The sofa backrest lifting drive of claim 7, wherein: the mounting holes (43) are arranged in a plurality and vertically distributed.
9. The sofa backrest lifting drive of claim 1, wherein: the telescopic arm (3) comprises an electric push rod, a cylinder body of the electric push rod is fixedly connected to the fixed framework (1), and a piston rod of the electric push rod is fixedly connected to the movable framework (2).
10. A sofa, characterized in that: the sofa backrest lifting driving device comprises a sofa seat body (10), a sofa backrest (20) and the sofa backrest lifting driving device according to any one of claims 1-9, wherein a rear bearing seat (30) is fixedly connected to one side of the sofa seat body (10), a fixed framework (1) is fixedly connected to the rear bearing seat (30), and the sofa backrest (20) is installed on a movable framework (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321659393.8U CN220089028U (en) | 2023-06-27 | 2023-06-27 | Sofa backrest lifting driving device and sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321659393.8U CN220089028U (en) | 2023-06-27 | 2023-06-27 | Sofa backrest lifting driving device and sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220089028U true CN220089028U (en) | 2023-11-28 |
Family
ID=88873794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321659393.8U Active CN220089028U (en) | 2023-06-27 | 2023-06-27 | Sofa backrest lifting driving device and sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220089028U (en) |
-
2023
- 2023-06-27 CN CN202321659393.8U patent/CN220089028U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |