CN210055322U - Sofa with adjustable backrest - Google Patents
Sofa with adjustable backrest Download PDFInfo
- Publication number
- CN210055322U CN210055322U CN201920268273.2U CN201920268273U CN210055322U CN 210055322 U CN210055322 U CN 210055322U CN 201920268273 U CN201920268273 U CN 201920268273U CN 210055322 U CN210055322 U CN 210055322U
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- backrest
- sofa
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Abstract
The utility model relates to a furniture technical field discloses a back adjustable sofa, include the base and articulate in the back of base, the junction of base and back is equipped with first angle modulation subassembly, the back includes several back unit, and two adjacent back units are articulated, and the junction of two adjacent back units is equipped with second angle modulation subassembly. The base and the backrest of the multifunctional sofa can adjust the included angle between the base and the backrest through the first angle adjusting component, so that people can sit, stand, lie half and walk flat to meet the requirements at different moments; and the back includes several back units, and two adjacent back units accessible second angle modulation subassemblies are adjusted between the contained angle, can be according to people's different custom and position of sitting, adjust two adjacent back unit's contained angle, make the sofa adapt to the health curve, make things convenient for different people to use, increase people and use the comfort level of sofa.
Description
Technical Field
The utility model relates to a furniture technical field especially relates to a back adjustable sofa.
Background
Currently, most commercial sofas incorporate a backrest and a base into a single unit, with the backrest of the sofa forming a fixed angle of inclination relative to the base. However, people have different habits and different sitting postures, when people sit on the sofa with the fixed structure for a long time, the waist and the back of people are sore, and when people want to rest, because the backrest is fixedly connected with the base, the space of the sofa is small, and people cannot rest on the sofa.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a sofa with an adjustable backrest, which can change the angle of the backrest in multiple directions and can be used for resting to facilitate the daily use of people.
The utility model provides a technical scheme that its technical problem adopted does:
a sofa with an adjustable backrest comprises a base and a backrest hinged to the base, wherein a first angle adjusting assembly is arranged at the joint of the base and the backrest, the backrest comprises a plurality of backrest units, two adjacent backrest units are hinged to each other, and a second angle adjusting assembly is arranged at the joint of the two adjacent backrest units.
As an improvement of the above technical solution, the first recliner assembly includes a first ratchet wheel disposed on the backrest and a first pawl disposed on the base, the first ratchet wheel is rotatable around a hinge point between the base and the backrest, the first ratchet wheel is provided with a plurality of first self-locking teeth, and one end of the first pawl is engageable with or disengageable from the first self-locking teeth.
As an improvement of the above technical solution, the first angle adjusting assembly further includes a first limit pin disposed on the base, the first ratchet is provided with a first limit arc groove, and the first limit pin can slide in the first limit arc groove.
As an improvement of the above technical solution, the first angle adjusting assembly further includes a first mounting seat disposed on the base, the first pawl is hinged to the first mounting seat, and the first limit pin is mounted on the first mounting seat.
As the improvement of the technical scheme, the base is hinged with the backrest through a first rotating shaft, a first torsion spring is sleeved on the first rotating shaft, one end of the first torsion spring is connected with the base, and the other end of the first torsion spring is connected with the backrest.
As an improvement of the above technical solution, the second recliner assembly includes a second ratchet wheel provided on one of the backrest units and a second pawl provided on an adjacent backrest unit, the second ratchet wheel is rotatable around a hinge point of the two adjacent backrest units, the second ratchet wheel is provided with a plurality of second self-locking teeth, and one end of the second pawl can lock or release the second self-locking teeth.
As an improvement of the above technical solution, the second angle adjusting assembly further includes a second limit pin disposed on the adjacent backrest unit, the second ratchet is provided with a second limit arc groove, and the second limit pin can slide in the second limit arc groove.
As an improvement of the above technical solution, the second recliner assembly further includes a second mounting seat disposed on the adjacent backrest unit, the second pawl is hinged on the second mounting seat, and the second limit pin is mounted on the second mounting seat.
As the improvement of the technical scheme, the two adjacent backrest units are hinged through a second rotating shaft, a second torsion spring is sleeved on the second rotating shaft, one end of the second torsion spring is connected with one of the backrest units, and the other end of the second torsion spring is connected with the adjacent backrest unit.
As an improvement of the technical scheme, a headrest is arranged at the upper end of the backrest, a sliding groove is formed in the backrest, a sliding strip is correspondingly arranged on the headrest, a locking hole is formed in the sliding groove, and a locking protrusion is correspondingly arranged on the sliding strip.
The beneficial effects of the utility model are that:
the base and the backrest of the multifunctional sofa can adjust the included angle between the base and the backrest through the first angle adjusting component, so that people can sit, stand, lie half and walk flat to meet the requirements at different moments; and the back includes several back units, and two adjacent back units accessible second angle modulation subassemblies are adjusted between the contained angle, can be according to people's different custom and position of sitting, adjust two adjacent back unit's contained angle, make the sofa adapt to the health curve, make things convenient for different people to use, increase people and use the comfort level of sofa.
Drawings
The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a front view of an embodiment of the invention;
fig. 2 is a side view of an embodiment of the invention;
fig. 3 is a schematic structural diagram of a first recliner assembly according to an embodiment of the present invention;
fig. 4 is a schematic view of a state of the headrest in the embodiment of the present invention;
fig. 5 is a schematic view of another state of the headrest according to the embodiment of the present invention.
Detailed Description
Referring to fig. 1 and 2, the sofa with an adjustable backrest of the present invention comprises a base 1 and a backrest 2 hinged to the base 1, wherein a first angle adjusting component 3 is disposed at the joint of the base 1 and the backrest 2, and the base 1 and the backrest 2 can adjust the included angle between them through the first angle adjusting component 3, so as to allow people to sit, half lie, and go flat, so as to meet the requirements at different times; the backrest 2 comprises a plurality of backrest units 21, two adjacent backrest units 21 are hinged, a second angle adjusting component 4 is arranged at the joint of the two adjacent backrest units 21, the two adjacent backrest units 21 can adjust the included angle between the two adjacent backrest units 21 through the second angle adjusting component 4, the included angle of the two adjacent backrest units 21 can be adjusted according to different habits and sitting postures of people, the sofa is made to adapt to a body curve, different people can use the sofa conveniently, and the comfort level of the sofa for people is increased.
With further reference to fig. 3, the first recliner assembly 3 includes a first ratchet wheel 31 disposed on the backrest 2 and a first pawl 32 disposed on the base 1, the first ratchet wheel 31 can rotate around a hinge point between the base 1 and the backrest 2, the first ratchet wheel 31 is provided with a plurality of first self-locking teeth 33, and one end of the first pawl 32 can engage with or disengage from the first self-locking teeth 33. The first angle adjusting assembly 3 further comprises a first limiting pin 34 arranged on the base 1, a first limiting arc groove 35 is arranged on the first ratchet wheel 31, and the first limiting pin 34 can slide in the first limiting arc groove 35.
Furthermore, the first recliner assembly 3 further includes a first mounting seat 36 disposed on the base 1, the first pawl 32 is hinged to the first mounting seat 36, and the first limit pin 34 is mounted on the first mounting seat 36. The first pawl 32 is provided with a first shifting block 37, and one end of the first pawl 32 can be separated from the first self-locking tooth 33 by shifting the first shifting block 37, so that the angle between the base 1 and the backrest 2 can be adjusted. The first pawl 32 is hinged to the first mounting seat 36 through a third rotating shaft 38, a third torsion spring 39 is arranged on the third rotating shaft, one end of the third torsion spring 39 is connected with the first pawl 32, and the other end of the third torsion spring 39 is connected with the first mounting seat 36, and under the torsion action of the third torsion spring 39, the first pawl 32 can be tightly meshed with the first self-locking tooth 33, so that the backrest 2 is prevented from rotating. Base 1 and back 2 are articulated through first pivot 5, the cover is equipped with first torsional spring in the first pivot 5, base 1 is connected to the one end of first torsional spring, and back 2 is connected to the other end, stirs first shifting block 37, makes the one end of first pawl 32 break away from first self-locking tooth 33, and back 2 can reset under the effect of first torsional spring this moment.
Referring to fig. 4 again, the second recliner assembly 4 includes a second ratchet wheel 41 disposed on one of the backrest units 21 and a second pawl 42 disposed on the adjacent backrest unit 21, the second ratchet wheel 41 can rotate around the hinge point of the two adjacent backrest units 21, the second ratchet wheel 41 is provided with a plurality of second self-locking teeth 43, and one end of the second pawl 42 can lock or unlock the second self-locking teeth 43. The second angle adjusting assembly 4 further includes a second limit pin 44 disposed on the adjacent backrest unit 21, the second ratchet 41 is provided with a second limit arc groove 45, and the second limit pin can slide in the second limit arc groove 45.
Further, the second recliner assembly 4 further includes a second mounting seat 46 disposed adjacent to the backrest unit 21, the second pawl 42 is hinged to the second mounting seat 46, and the second limit pin is mounted on the second mounting seat 46. The second pawl 42 is provided with a second shifting block 47, the second pawl 42 is hinged on a second mounting seat 46 through a fourth rotating shaft 48, a fourth torsion spring 49 is arranged on the fourth rotating shaft, one end of the fourth torsion spring 49 is connected with the second pawl 42, and the other end of the fourth torsion spring 49 is connected with the second mounting seat 46. Two adjacent back units 21 are articulated through second pivot 6, the cover is equipped with the second torsional spring in the second pivot 6, one of them back unit 21 is connected to the one end of second torsional spring, and adjacent back unit 21 is connected to the other end.
In addition, referring to fig. 5 again, a headrest 7 is disposed at the upper end of the backrest 2, a sliding groove 22 is disposed on the backrest 2, a sliding bar 71 is correspondingly disposed on the headrest 7, a locking hole 23 is disposed on the sliding groove 22, and a locking protrusion 72 is correspondingly disposed on the sliding bar 71. The headrest 7 is detachable into an upper headrest 73 and a lower headrest 74, the upper headrest 73 is turned downward, and the upper headrest 73 and the lower headrest 74 are connected by a button 8. The height of the headrest 7 is higher than that of the backrest 2, the headrest 7 is pulled out upwards, the button 8 between the upper headrest 73 and the lower headrest 74 is unfastened, the upper headrest 73 is turned downwards, the gap between the lower headrest 74 and the backrest 2 is filled, and the height of the backrest 2 is increased.
The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.
Claims (10)
1. A sofa with an adjustable backrest is characterized in that: the backrest comprises a base (1) and a backrest (2) hinged to the base, wherein a first angle adjusting component (3) is arranged at the joint of the base and the backrest, the backrest comprises a plurality of backrest units (21), two adjacent backrest units are hinged, and a second angle adjusting component (4) is arranged at the joint of the two adjacent backrest units.
2. The sofa of claim 1, wherein the back rest is adjustable: the first angle adjusting assembly (3) comprises a first ratchet wheel (31) arranged on the backrest and a first pawl (32) arranged on the base, the first ratchet wheel can rotate around a hinge point of the base and the backrest, a plurality of first self-locking teeth (33) are arranged on the first ratchet wheel, and one end of the first pawl can be meshed with or separated from the first self-locking teeth.
3. The sofa of claim 2, wherein the back rest is adjustable: the first angle adjusting assembly (3) further comprises a first limiting pin (34) arranged on the base, a first limiting arc groove (35) is formed in the first ratchet wheel, and the first limiting pin can slide in the first limiting arc groove.
4. The sofa of claim 3, wherein the back rest is adjustable: the first angle adjusting assembly (3) further comprises a first mounting seat (36) arranged on the base, the first pawl is hinged to the first mounting seat, and the first limiting pin is mounted on the first mounting seat.
5. The sofa of any one of claims 1-4, wherein: the base is articulated through first pivot (5) with the back, the cover is equipped with first torsional spring in the first pivot, the base is connected to the one end of first torsional spring, and the back is connected to the other end.
6. The sofa of claim 1, wherein the back rest is adjustable: the second angle adjusting assembly (4) comprises a second ratchet wheel (41) arranged on one backrest unit and a second pawl (42) arranged on the adjacent backrest unit, the second ratchet wheel can rotate around a hinge point of the two adjacent backrest units, a plurality of second self-locking teeth (43) are arranged on the second ratchet wheel, and one end of the second pawl can be clamped or released.
7. The sofa of claim 6, wherein the back rest is adjustable: the second angle adjusting assembly (4) further comprises a second limiting pin (44) arranged on the adjacent backrest unit, a second limiting arc groove (45) is formed in the second ratchet wheel, and the second limiting pin can slide in the second limiting arc groove.
8. The sofa of claim 7, wherein the back rest is adjustable: the second angle adjusting assembly (4) further comprises a second mounting seat (46) arranged on the adjacent backrest unit, the second pawl is hinged to the second mounting seat, and a second limiting pin is mounted on the second mounting seat.
9. The sofa of any one of claims 6-8, wherein: two adjacent back units are articulated through second pivot (6), the cover is equipped with the second torsional spring in the second pivot, one of them back unit is connected to the one end of second torsional spring, and adjacent back unit is connected to the other end.
10. The sofa of claim 1, wherein the back rest is adjustable: the upper end of the backrest is provided with a headrest (7), the backrest is provided with a sliding groove (22), the headrest is correspondingly provided with a sliding strip (71), the sliding groove is provided with a locking hole (23), and the sliding strip is correspondingly provided with a locking protrusion (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920268273.2U CN210055322U (en) | 2019-03-04 | 2019-03-04 | Sofa with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920268273.2U CN210055322U (en) | 2019-03-04 | 2019-03-04 | Sofa with adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210055322U true CN210055322U (en) | 2020-02-14 |
Family
ID=69433186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920268273.2U Expired - Fee Related CN210055322U (en) | 2019-03-04 | 2019-03-04 | Sofa with adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210055322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543816A (en) * | 2020-05-28 | 2020-08-18 | 浙江迈瑞智能家居有限公司 | Multifunctional sofa |
-
2019
- 2019-03-04 CN CN201920268273.2U patent/CN210055322U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111543816A (en) * | 2020-05-28 | 2020-08-18 | 浙江迈瑞智能家居有限公司 | Multifunctional 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: 20200214 Termination date: 20210304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |