CN217695774U - Liftable adjust back and sofa - Google Patents
Liftable adjust back and sofa Download PDFInfo
- Publication number
- CN217695774U CN217695774U CN202220910214.2U CN202220910214U CN217695774U CN 217695774 U CN217695774 U CN 217695774U CN 202220910214 U CN202220910214 U CN 202220910214U CN 217695774 U CN217695774 U CN 217695774U
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- support frame
- sliding support
- backrest
- base
- sofa
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- 239000002184 metal Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a liftable adjustment backrest and a sofa, which comprises a backrest base, a liftable outer back frame and a liftable adjustment mechanism arranged between the backrest base and the liftable outer back frame; the lifting adjusting mechanism is configured to enable the lifting outer back frame to be capable of lifting and adjusting relative to the back base; the lifting adjusting mechanism comprises a sliding support frame, a guide rod which is transversely arranged in the sliding support frame and can slide up and down relative to the sliding support frame, and a driving assembly which can drive the guide rod and the sliding support frame to move mutually; the sliding support frame is configured to connect and support the lifting outer back frame; the guide rod is connected with a mounting plate which is configured to be connected with the backrest base; the sofa comprises a sofa base, and the backrest base is connected to the sofa base; then the lifting adjusting function of the sofa backrest can be realized.
Description
Technical Field
The utility model relates to a thing to sit on field, in particular to back and sofa are adjusted to liftable.
Background
In people's daily life, the leisure sofa has become a very general furniture, and compared with a wooden seat, the leisure sofa can provide more comfort for people. With the continuous improvement of living standard of people, the requirements of people on furniture are higher and higher, and the common sofa with single function is gradually abandoned by people. The existing multifunctional leisure sofa is internally provided with a mechanical stretching device, and the sofa can be adjusted in a tilting way by controlling the deformation of the mechanical stretching device; so that the user can not only use the sofa in a normal sitting position, but also rest on the sofa. However, the height of the backrest of the existing leisure sofa is basically fixed, and people with different heights have different requirements on the height of the backrest, so that the backrest of the sofa cannot meet the requirements of people with different heights. In addition, the height requirements of the user on the sofa backrest are different between the sitting state and the lying state, and in the lying state, the sofa backrest is often required to be longer to better support the back of the user; in order to solve the above problems, a sofa with a backrest capable of being adjusted in a lifting manner is needed.
CN98211266.1, a chinese utility model discloses a "sofa with electric lifting backrest", which can make the backrest automatically lift to meet the comfort requirements of different people and make the sofa automatically move. The main characteristics are as follows: the motor and the speed reducer are fixedly installed on the base, the two pull-up steel ropes, the two steel ropes and the power steel rope are respectively wound on the hoisting rod, and the sofa is light and convenient to use, saves labor and time, and can be used as a sofa bed when being laid flat. The sofa can adjust the lifting of the backrest, but the adjusting mechanism is arranged in the base of the sofa; the mechanical stretching device of the existing multifunctional leisure sofa is arranged in the base of the sofa, so that the mechanical stretching device and the backrest lifting structure are interfered with each other, and the installation is not facilitated.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a lifting adjustable backrest; through setting up back base and lift back of the body frame outside, under lift adjustment mechanism's effect for lift back of the body frame can slide from top to bottom relative to the back base, thereby makes the back can lift adjustment.
Then provides a sofa, and the back base is connected on the sofa base, through the elevating movement of control lift outer back frame to realize sofa back height-adjustable.
The technical scheme of the utility model is realized like this:
a lifting adjusting backrest comprises a backrest base, a lifting outer back frame and a lifting adjusting mechanism arranged between the backrest base and the lifting outer back frame; the lifting adjusting mechanism is configured to enable the lifting outer back frame to be capable of lifting and adjusting relative to the back base; the lifting adjusting mechanism comprises a sliding support frame, a guide rod which is transversely arranged in the sliding support frame and can slide up and down relative to the sliding support frame, and a driving assembly which can drive the guide rod and the sliding support frame to move mutually; the sliding support frame is configured to connect and support the lifting outer back frame; a mounting plate is connected to the guide bar and configured to be connected to the back base.
Preferably, two sides of the guide rod are respectively in sliding fit with the sliding support frame. So that the guide rod and the sliding support frame can slide smoothly.
Preferably, longitudinal guide grooves are respectively formed in the left side and the right side of the sliding support frame; and sliding seats are correspondingly connected to the left side and the right side of the guide rod, and guide pins which are in sliding fit in the guide grooves are arranged on the sliding seats. The guide pin is matched with the guide groove, so that sliding fit between the guide rod and the sliding support frame can be realized, and the guide rod can be limited to be separated from the sliding support frame.
Preferably, the driving component is a telescopic motor which is longitudinally arranged; one end of the telescopic motor is connected to the sliding support frame, and the other end of the telescopic motor is connected to the guide rod. Then the telescopic motion of the telescopic motor is controlled to directly act on the guide rod to move relative to the sliding support frame, and the guide rod and the sliding support frame are kept relatively fixed after the motion, so that a locking mechanism is not required to be additionally arranged, and the control and the adjustment are more convenient; the driving assembly is longitudinally arranged between the guide rod and the sliding support frame, so that the occupied space is small; and the thickness of the sofa backrest cannot be increased, and the arrangement is more ingenious.
Preferably, the sliding support frame is connected to the inside of the lifting outer back frame; the lifting outer back frame comprises back side plates which are respectively positioned at the left side and the right side, and the sliding support frame is positioned between the two back side plates; and the left side and the right side of the sliding support frame are respectively connected with the back side plate on the corresponding side. The sliding support frame and the lifting outer back frame are connected and fixed together, so that the sliding support frame and the lifting outer back frame form a whole.
Preferably, the sliding support frame is a rectangular frame structure, and comprises side bars respectively positioned at the left side and the right side and connecting cross bars connected between the two side bars and respectively positioned at the upper end and the lower end; the side rods are fixedly connected with the back side plate. The sliding support frame is of a rectangular frame structure, has high structural strength and can stably support the lifting outer back frame.
Preferably, the backrest base is located inside the lifting outer back frame, and the backrest base is located between the two back side plates. Then when the backrest is used, the backrest base is positioned in the lifting outer back frame, and the lifting outer back frame is used for supporting the back of a user.
Preferably, the mounting plate is arranged longitudinally; the guide rod is provided with an L-shaped connecting rod used for being connected with the mounting plate; the L-shaped connecting rod comprises a horizontal first connecting rod and a longitudinal second connecting rod; the first connecting rod is connected with the guide rod, and the second connecting rod is connected to the back of the mounting plate.
Preferably, the guide rod, the mounting plate and the sliding support frame are all of metal structures. Thereby make lift adjustment mechanism's structural strength high, elevation structure is more stable.
A sofa comprises a sofa base and the liftable adjusting backrest; the backrest base is connected to the sofa base. Therefore, the height of the sofa backrest can be adjusted by controlling the lifting outer back frame to move up and down.
Preferably, a mechanical stretching device is arranged in the sofa base, and the backrest base is connected to the mechanical stretching device.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
firstly, the lifting adjusting mechanism of the lifting adjusting backrest of the utility model comprises a sliding support frame and a guide rod which can slide up and down relative to the sliding support frame; the guide rod is provided with a mounting plate connected with the backrest base; the lifting outer back frame is connected with the sliding support frame and forms a whole; then when the control driving component drives the guide rod and the lifting support frame to move relatively, the lifting support frame moves up and down relative to the guide rod, so that the lifting outer back frame is driven to move up and down relative to the backrest base; the sofa backrest can be adjusted in a lifting way, and the operation is very simple.
Secondly, the sliding support frame is of a metal rectangular structure, has good structural strength and can stably support the lifting outer back frame; the guide rod and the mounting plate are also of metal structures, so that the connection strength between the guide rod and the backrest base is high; and then the lifting structure is stable.
Moreover, the lifting adjusting mechanism is arranged between the backrest base and the lifting outer back frame and is positioned in the sofa backrest, so that the space of the sofa base cannot be occupied, and the mechanical stretching device in the sofa base cannot be interfered; and the telescopic motor is longitudinally arranged, so that the occupied space is smaller, the thickness of the backrest cannot be increased, and the structure is more simplified.
Drawings
Fig. 1 is a schematic front perspective view of the sofa according to the embodiment of the present invention;
fig. 2 is a schematic back perspective view of the sofa according to the embodiment of the present invention;
fig. 3 is a schematic view of the connection structure of the adjustable backrest in the embodiment of the present invention;
fig. 4 is a schematic view of the connection structure of the present invention in an embodiment of which the backrest can be adjusted by another angle;
fig. 5 is a schematic perspective view of the assembled adjustable backrest of the present invention;
fig. 6 is a schematic view of a connection structure of the lifting adjusting mechanism according to the embodiment of the present invention.
The figures are numbered: a sofa base 1; a backrest base 2; lifting the outer back frame 3; a back side plate 3a; a lifting adjusting mechanism 4; a mechanical stretching device 5; a sliding support frame 6; side bars 6a; a connecting rail 6b; a guide rod 7; a drive assembly 8; a mounting plate 9; a guide groove 10; a slider 11; a guide pin 12; an L-shaped link 13; a first link 13a; and a second link 13b.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific implementation manner of the utility model is as follows:
as shown in fig. 1-6, the utility model provides a liftable adjusting backrest and a sofa, the sofa comprises a sofa base 1, the liftable adjusting backrest is connected to the sofa base 1; the lifting adjusting backrest comprises a backrest base 2, a lifting outer back frame 3 and a lifting adjusting mechanism 4 arranged between the backrest base 2 and the lifting outer back frame 3. The sofa base 1 is provided with a mechanical stretching device 5, and the backrest base 2 is connected to the mechanical stretching device 5; the lifting adjusting mechanism 4 comprises a sliding support frame 6, a guide rod 7 which is arranged in the sliding support frame 6 and can slide up and down relative to the sliding support frame 6, and a driving component 8 which can drive the guide rod 7 and the sliding support frame 6 to move mutually; the sliding support frame 6 is configured to connect and support the lifting outer back frame 3; a mounting plate 9 is connected to the guide bar 7, the mounting plate 9 being configured to be connected to the backrest base 2. The guide rods 7 will then remain fixed relative to the backrest base 2; the lifting outer back frame 3 and the sliding support frame 6 are lifted synchronously, when the control driving assembly 8 drives the guide rod 7 and the lifting support frame 6 to move relatively, the lifting support frame 6 is lifted relative to the guide rod 7, so that the lifting outer back frame 3 is driven to move up and down, the sofa backrest can be lifted and adjusted, and the operation is very simple; and the lifting adjusting mechanism 4 is arranged between the backrest base 2 and the lifting outer back frame 3 and is positioned in the sofa backrest, so that the space of the sofa base 1 is not occupied, and the structure is more simplified.
As shown in fig. 3-6, the lifting outer back frame 3 includes back side plates 3a located at the left and right sides, the sliding support frame 6 is located in the lifting outer back frame 3, and the left and right sides of the sliding support frame 6 are respectively connected and fixed with the back side plates 3a; specifically, the method comprises the following steps: the sliding support frame 6 is a metal rectangular frame structure, and the sliding support frame 6 includes side bars 6a respectively located at the left and right sides and a connecting cross bar 6b connected between the two side bars 6a and respectively located at the upper and lower ends. The upper end and the lower end of each side rod 6a are fixedly connected with the back side plate 3a through screws respectively, so that the connecting structure is stable; after connection, the sliding support frame 6 and the lifting outer back frame 3 form an integral structure; the sliding support frame 6 adopts a rectangular metal frame structure and has high structural strength; and it is located inside the elevating outer back frame 3 so that the sliding support frame 6 can stably support the elevating outer back frame 3.
As shown in fig. 4-6, the guide bar 7 is transversely arranged, and two ends of the guide bar 7 are respectively in sliding fit with the side bars 6a on two sides of the sliding support frame 6; specifically, the method comprises the following steps: a longitudinal guide groove 10 is arranged on the side rod 6a, two sides of the guide rod 7 are respectively connected with a sliding seat 11, and a guide pin 12 which is in sliding fit with the guide groove 10 is arranged on the sliding seat 11; thereby leading the guide rod 7 to be capable of stably lifting and sliding relative to the sliding support frame 6; the guide pin 12 is matched with the guide groove 10, so that the guide rod 7 can be in sliding fit with the sliding support frame 6, and the guide rod 7 can be limited to be separated from the sliding support frame 6; making the sliding structure more stable. In addition, the driving component 8 is a telescopic motor which is longitudinally arranged; the upper end of the telescopic motor is fixedly connected with a connecting cross rod 6b at the upper end of the sliding support frame 6, and the lower end of the telescopic motor is connected to the guide rod 7; then when the telescopic motor is controlled to do telescopic motion, the lifting motion of the guide rod 7 relative to the sliding support frame 6 can be directly acted; and after the movement, the guide rod 7 and the sliding support frame 7 are kept relatively fixed; need not to set up locking mechanical system in addition, it is more convenient to control the regulation. The driving assembly 8 is longitudinally arranged between the guide rod 7 and the sliding support frame 6, so that the occupied space is small; and the thickness of the sofa backrest cannot be increased, and the arrangement is more ingenious.
Further, the method comprises the following steps: the mounting plate 9 is connected with the guide rod 7 by adopting an L-shaped connecting rod 13, and the L-shaped connecting rod 13 comprises a horizontal first connecting rod 13a and a longitudinal second connecting rod 13b; the guide rod 7, the L-shaped connecting rod 13 and the mounting plate 9 are all of metal structures, so that the first connecting rod 13a is fixedly welded at the upper end of the guide rod 7, and the second connecting rod 13b is fixedly welded at the back of the mounting plate 9; by adopting the connecting structure, the connecting strength between the guide rod 7 and the mounting plate 9 is high, and the structure is stable. Correspondingly, the mounting plate 9 is fixed on the back of the backrest base 1 by adopting screw connection, so that the backrest base 1, the mounting plate 9 and the guide rod 7 form a whole; the sliding support frame 6 and the lifting outer back frame 3 form a whole; then, when the driving component 8 is controlled, the lifting outer back frame 3 can be controlled to move up and down relative to the backrest base 1.
As shown in fig. 1 and 2, after assembly, the backrest base 1 is located in the lifting outer back frame 3, and the backrest base 1 is located between the two back side plates 3a; the lifting outer back frame 3 will then be used to support the user's back; the back base 1 does not contact the back of the user; the height of the sofa backrest can be adjusted by controlling the lifting outer back frame 3 to lift. .
Claims (11)
1. The utility model provides a liftable adjust back which characterized in that: comprises a backrest base, a lifting outer back frame and a lifting adjusting mechanism arranged between the backrest base and the lifting outer back frame; the lifting adjusting mechanism is configured to enable the lifting outer back frame to be capable of lifting and adjusting relative to the back base; the lifting adjusting mechanism comprises a sliding support frame, a guide rod which is transversely arranged in the sliding support frame and can slide up and down relative to the sliding support frame, and a driving assembly which can drive the guide rod and the sliding support frame to move mutually; the sliding support frame is configured to connect and support the lifting outer back frame; a mounting plate is connected to the guide bar and is configured to be connected to the back base.
2. The liftable adjustment backrest according to claim 1, characterized in that: and two sides of the guide rod are respectively in sliding fit with the sliding support frame.
3. The liftable adjustment backrest according to claim 2, characterized in that: longitudinal guide grooves are respectively formed in the left side and the right side of the sliding support frame; and sliding seats are correspondingly connected to the left side and the right side of the guide rod, and guide pins which are in sliding fit in the guide grooves are arranged on the sliding seats.
4. The liftable adjustment backrest according to claim 1, characterized in that: the driving assembly is a telescopic motor which is longitudinally arranged; one end of the telescopic motor is connected to the sliding support frame, and the other end of the telescopic motor is connected to the guide rod.
5. The liftable adjustment backrest according to claim 1, characterized in that: the sliding support frame is connected inside the lifting outer back frame; the lifting outer back frame comprises back side plates which are respectively positioned at the left side and the right side, and the sliding support frame is positioned between the two back side plates; and the left and right sides of the sliding support frame are respectively connected with the back side plate on the corresponding side.
6. The liftable adjustment backrest of claim 5, wherein: the sliding support frame is of a rectangular frame structure and comprises side rods respectively positioned on the left side and the right side and connecting cross rods connected between the two side rods and respectively positioned at the upper end and the lower end; the side rods are fixedly connected with the back side plate.
7. The liftable adjustment backrest of claim 5, wherein: the backrest base is located inside the lifting outer back frame and located between the two back side plates.
8. The liftable adjustment backrest according to claim 1, characterized in that: the mounting plate is longitudinally arranged; the guide rod is provided with an L-shaped connecting rod used for being connected with the mounting plate; the L-shaped connecting rod comprises a horizontal first connecting rod and a longitudinal second connecting rod; the first connecting rod is connected with the guide rod, and the second connecting rod is connected to the back of the mounting plate.
9. The liftable adjustable backrest of claim 1, wherein: the guide rod, the mounting plate and the sliding support frame are all of metal structures.
10. A sofa, which is characterized in that: comprising a sofa base and a liftable adjustable backrest according to any of claims 1-9; the backrest base is connected to the sofa base.
11. The sofa of claim 10, wherein: a mechanical stretching device is arranged in the sofa base, and the backrest base is connected to the mechanical stretching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220910214.2U CN217695774U (en) | 2022-04-18 | 2022-04-18 | Liftable adjust back and sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220910214.2U CN217695774U (en) | 2022-04-18 | 2022-04-18 | Liftable adjust back and sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217695774U true CN217695774U (en) | 2022-11-01 |
Family
ID=83791566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220910214.2U Active CN217695774U (en) | 2022-04-18 | 2022-04-18 | Liftable adjust back and sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217695774U (en) |
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2022
- 2022-04-18 CN CN202220910214.2U patent/CN217695774U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANJI YONGYI SHANGPIN FURNITURE CO.,LTD. Assignor: UE FURNITURE Co.,Ltd. Contract record no.: X2024980013448 Denomination of utility model: A adjustable backrest and sofa that can be lifted and lowered Granted publication date: 20221101 License type: Common License Record date: 20240902 |
|
| EE01 | Entry into force of recordation of patent licensing contract |