CN211911079U - Sofa structure capable of adjusting backrest in linkage manner - Google Patents
Sofa structure capable of adjusting backrest in linkage manner Download PDFInfo
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- CN211911079U CN211911079U CN202020321122.1U CN202020321122U CN211911079U CN 211911079 U CN211911079 U CN 211911079U CN 202020321122 U CN202020321122 U CN 202020321122U CN 211911079 U CN211911079 U CN 211911079U
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- sofa
- dwang
- backrest
- sofa base
- supporting pad
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Abstract
The utility model relates to a sofa structure of back can be adjusted in linkage relates to the technical field of sofa, and it includes sofa base, handrail frame and cushion, the back is installed at sofa base's edge, sofa base keeps away from that the tip of back articulates there is the supporting pad, the inside link mechanism that is equipped with of sofa base, link mechanism one includes the carriage release lever one that moves between back and supporting pad, the one end of carriage release lever one is rotated and is connected with dwang one, and the other end rotates with the supporting pad to be connected, dwang one and back fixed connection, dwang one rotates with sofa base to be connected, the axis of rotation of dwang one is the same with the articulated axis of supporting pad, the axis of rotation of dwang one is located between back and the carriage release lever one, sofa base is equipped with restriction back pivoted stop gear. The utility model discloses can get up people's shank support when adjusting the back for people's comfort level effect is better.
Description
Technical Field
The utility model belongs to the technical field of the technique of sofa and specifically relates to a sofa structure of back is adjusted in linkage.
Background
The sofa has a long history, the origin of the sofa can be traced back to ancient Egypt of about 2000 B.C., the sofa is a multi-seat chair with cushions, a backrest chair with springs or thick foam plastics and the like is provided with armrests on two sides, the sofa is one kind of soft furniture, and the sofa is popular with people because of attractive appearance and comfortable making, and particularly the sofa with a health care function, which is promoted in recent years, is more popular with people.
Chinese patent with publication number CN210077136U discloses a sofa structure of adjustable back angle, it includes handrail frame, back support and spring card cover, handrail frame is fixed and is provided with the cushion slide on the bottommost and handrail frame, slidable mounting has the slide regulation pole on the cushion slide, back support articulates on handrail frame and back support links to each other with the cushion slide, the spring card cover is installed on handrail frame, the one end slidable mounting of spring card cover is on back support, this structural design is reasonable, moreover, the steam generator is simple in structure, through the cooperation of cushion slide, back support and spring card cover, can adjust the angle between cushion slide and the back support wantonly and lock through the slide regulation pole, excellent in use effect.
The above prior art solutions have the following drawbacks: the angle of the backrest can be adjusted in the using process of the sofa structure, so that people can lean on the sofa more comfortably, but when people lean on the sofa, the legs are still in a bent landing state, the whole body of people cannot lie down, and people can not feel uncomfortable to the legs when leaning on the sofa for a long time, so that the comfort of people is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sofa structure of back can be adjusted in linkage, it can support people's shank when adjusting the back for people can lie that whole body does not land, make people's comfort level effect better.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a sofa structure of back can be adjusted in linkage, includes sofa base, sofa base both sides all are equipped with the handrail frame, sofa base top is equipped with the cushion, sofa base's edge-mounting has the back, sofa base keeps away from that the tip of back articulates there is the supporting pad, the inside link mechanism that is equipped with of sofa base, link mechanism one includes the carriage release lever one that moves between back and supporting pad, the one end of carriage release lever one is rotated and is connected with dwang one, and the other end rotates with the supporting pad to be connected, dwang one and back fixed connection, dwang one rotates with sofa base to be connected, the axis of rotation of dwang one is the same with the articulated axis of supporting pad, the axis of rotation of dwang one is located between back and the carriage release lever one, sofa base is equipped with restriction back pivoted stop gear.
Through adopting above-mentioned technical scheme, people are when adjusting the back, dwang one rotates with the back jointly, axis of rotation because of dwang one is between back and carriage release lever one, so the carriage release lever moves towards the direction of rotation of keeping away from the back for a while, the removal of carriage release lever one drives the supporting pad and rotates to the direction of keeping away from the supporting pad, the back reaches certain angle through the adjustment and is spacing by stop gear, the supporting pad also supports the shank thereupon, can make people can be whole body not to land lying, make people's comfort level effect better.
The utility model discloses further set up to: dwang one is equipped with waist shape hole one at its length direction, carriage release lever one has set firmly spliced pole one, spliced pole one slides with waist shape hole one and is connected, the sofa base lateral wall has set firmly the slide rail, carriage release lever one slides with the slide rail and is connected, the tip that dwang one was kept away from to carriage release lever rotates and is connected with and drives supporting pad pivoted link mechanism two, when dwang one rotated stop gear, link mechanism two drove the supporting pad and rotates horizontal position.
Because of the movable rod makes the rotation angle of back and dwang the same when removing for people are leaning on when the back, and the shank can not straighten, still is in the state of partial bending, through adopting above-mentioned technical scheme, can be so that the back is in the rotation back, and the rotation angle of supporting pad is bigger, and when the back rotated to target in place, the supporting pad was in the horizontality, and comfort level when can making people lie on the back is better.
The utility model discloses further set up to: link mechanism two includes dwang two, be equipped with waist shape hole two on the dwang two, the tip that dwang one was kept away from to carriage release lever one has set firmly spliced pole two, spliced pole two slides with waist shape hole two and is connected, the top and the sofa base of dwang two rotate and be connected, the bottom of dwang two is rotated and is connected with connecting rod one, connecting rod one is kept away from the tip and the supporting pad rotation of dwang two and is connected.
Through adopting above-mentioned technical scheme, the sliding of carriage release lever one drives dwang two and rotates, and the rotation of dwang two drives connecting rod two and removes, and the removal of connecting rod two can be so that the supporting pad rotates and is supported, simple structure, the maintenance of being convenient for.
The utility model discloses further set up to: the backrest is provided with a slot, and the backrest is connected with the first rotating rod in an inserting mode.
Through adopting above-mentioned technical scheme, through the form of pegging graft with the backrest with the dwang install together between one, can make things convenient for the transportation and the installation of sofa, can separate the packing transportation with sofa base and backrest in the transportation, only need insert the dwang one with the backrest during the installation can.
The utility model discloses further set up to: the limiting mechanism comprises a convex block fixedly connected with the moving rod, and when the backrest rotates to the limit position, the convex block abuts against the end part of the sliding rail.
Through adopting above-mentioned technical scheme, the lug can play spacing effect to the removal of carriage release lever one, plays the rotation restriction to the dwang through the spacing to the carriage release lever one, can be so that the carriage release lever one can bear bigger effort for link mechanism is more stable.
The utility model discloses further set up to: the end part fixedly connected with spring of center of rotation is kept away from to dwang two, spring and sofa base fixed connection, the supporting pad is in horizontal position messenger, the spring is in tensile state.
Through adopting above-mentioned technical scheme, when people got up from the back, the spring can pull back dwang two for back and supporting pad can in time reset, can not need artificial going to rotate the back to the primary importance.
The utility model discloses further set up to: the sofa bases on the two armrest frame sides are provided with a first connecting rod mechanism, and a second connecting rod is fixedly connected between the first moving rods.
Through adopting above-mentioned technical scheme, connecting rod two can be so that the carriage release lever one of sofa base both sides can remove simultaneously, can be so that two carriage release levers one remove the length the same for the turned angle of dwang one is the same, makes the back be difficult for taking place the phenomenon of slope because the atress is uneven, makes the difficult emergence of sofa back warp.
The utility model discloses further set up to: the limiting mechanism further comprises a limiting rod, and when the backrest rotates to the limiting position, the first rotating rod abuts against the limiting rod.
Through adopting above-mentioned technical scheme, the gag lever post can be further play spacing effect to the rotation of dwang one for the effort of the back that supports of dwang one is unlikely to all to transmit for the travel bar one, makes the dwang one can bear bigger effort, makes the back can bear bigger weight.
To sum up, the utility model discloses a beneficial technological effect does:
1. when people adjust the backrest, the first rotating rod and the backrest rotate together, and the rotating axis of the first rotating rod is arranged between the backrest and the first moving rod, so that the first moving rod moves towards the rotating direction far away from the backrest, the first moving rod drives the supporting pad to rotate towards the direction far away from the supporting pad, the backrest is adjusted to reach a certain angle and is limited by the limiting mechanism, and the supporting pad supports legs, so that people can lie down without touching the ground, and the comfort effect of people is better;
2. the backrest is connected with the sofa base in an inserting mode, so that the sofa can be conveniently transported and installed, the backrest and the supporting pad can be timely reset by the spring when people get up from the backrest, the rotating rod can be supported and limited by the limiting rod, and the backrest can bear larger weight.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic sectional view for showing the internal structure of the sofa;
FIG. 3 is a schematic sectional view of the sofa for embodying the internal structure of the sofa with the adjustable backrest lying down;
fig. 4 is a schematic view of the connection of the support pad and the support block.
In the figure, 1, a sofa base; 2. a handrail frame; 3. a backrest; 4. a cushion; 5. a support cushion; 6. a support frame; 7. a support pad; 8. a slot; 9. rotating the first rod; 10. rotating a first shaft; 11. a first waist-shaped hole; 12. connecting a column I; 13. a first moving rod; 14. a slide rail; 15. a limiting rod; 16. a second connecting rod; 17. rotating the second rod; 18. a first connecting rod; 19. a support block; 20. connecting a second column; 21. a bump; 22. a second connecting rod mechanism; 23. a first connecting rod mechanism; 24. a second waist-shaped hole; 25. a groove; 26. a first through hole; 27. a spring; 28. a limiting mechanism.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a sofa mechanism of back can be adjusted in linkage, including sofa base 1, sofa base 1's the left and right sides is equipped with handrail frame 2, and sofa base 1's top is equipped with cushion 4, and the rear side of sofa base 1 top is equipped with back 3, and sofa base 1's the place ahead articulates there is supporting pad 7, and supporting pad 7 includes with sofa base 1 articulated support frame 6, and support frame 6 fixedly connected with supports cushion 5 on the terminal surface of keeping away from sofa base 1.
Referring to fig. 2, a first link mechanism 23 is arranged inside the sofa base 1, the first link mechanism 23 includes a first rotating rod 9, a first rotating shaft 10 is arranged on a side wall of the sofa base 1, the first rotating rod 9 is rotatably connected with the sofa base 1 through the first rotating shaft 10, the sofa base 1 is provided with a first through hole 26 penetrating through the side wall, the first rotating rod 9 passes through the first through hole 26 and extends out of the sofa base 1, a slot 8 matched with the first rotating rod 9 is arranged on the backrest 3, the backrest 3 is inserted into the first rotating rod 9, the side wall of the sofa base 1 is fixedly connected with a horizontally arranged slide rail 14, an opening direction of the slide rail 14 deviates from the side wall of the sofa base 1, a first moving rod 13 is slidably connected in the slide rail 14, a first connecting column 12 is fixedly arranged at an end part of the first moving rod 13 close to the first rotating rod 9, the first connecting column 12 is slidably connected with the first kidney-shaped, the rotation of the backrest 3 is at the limit position, and the end part of the first moving rod 13 far away from the first rotating rod 9 is rotatably connected with a second link mechanism 22.
Referring to fig. 3 and 4, the second link mechanism 22 includes a second rotating rod 17 rotatably connected with the sofa base 1, the rotation center of the second rotating rod 17 is located at the same horizontal plane as the center of the first rotating shaft 10, a second kidney-shaped hole 24 is formed in the second rotating rod 17, a second end fixedly connected with connecting column 20 of the first connecting column 12 is far away from the first moving rod 13, the second connecting column 20 is connected with the second kidney-shaped hole 24 in a sliding manner, a first connecting rod 18 is rotatably connected to the end of the second rotating rod 17 far away from the rotation center, a triangular supporting block 19 is fixedly connected to the side wall of the supporting frame 6 facing the first moving rod 13, a groove 25 is formed in the supporting block 19, and the first.
Referring to fig. 2 and 3, a limiting mechanism 28 for limiting the rotation of the backrest 3 is arranged inside the sofa base 1, the limiting mechanism 28 comprises a convex block 21 fixedly connected with the first movable rod 13, and when the backrest 3 is at the limit position of rotation, the convex block 21 abuts against the end part of the slide rail 14; the convex block 21 can play a role in supporting and limiting the first moving rod 13, so that the first moving rod 13 can bear larger acting force. The limiting mechanism 28 further comprises a limiting rod 15 fixedly arranged on the sofa base 1, and when the rotating rod I9 is located at the limit position of the rotating range, the limiting rod 15 is abutted against the rotating rod I9; the limiting rod 15 plays a role in supporting and limiting the rotating rod one 9, so that the rotating rod one 9 can bear larger acting force, and the backrest 3 can bear larger weight.
Referring to fig. 2 and 3, a second connecting rod 16 is fixedly connected between the first moving rods 13 on the two sides of the sofa base 1, the second connecting rod 16 enables the first moving rods 13 on the two sides of the sofa to move simultaneously, and the moving distances of the two first moving rods 13 are the same, so that the backrest 3 is not prone to tilting due to uneven stress, and the sofa backrest 3 is not prone to deformation.
Referring to fig. 2 and 3, a spring 27 is fixedly connected to the end of the second rotating rod 17 away from the rotating center, the other end of the spring 27 is fixedly connected to the sofa base 1, and when the supporting frame 6 is in a horizontal state, the spring 27 is in a stretched state; when people get up from the backrest 3, the spring 27 can pull back the second rotating rod 17, so that the backrest 3 and the support frame 6 can be reset in time, and the backrest 3 can be rotated to the original position without people.
The implementation principle of the embodiment is as follows: people are in adjustment back 3, the rotation of back 3 drives dwang one 9 and rotates, the rotation of dwang one 9 makes the carriage release 13 to sliding towards the direction of rotation of keeping away from back 3, the drive dwang two 17 of sliding of carriage release 13 rotate, the rotation of dwang two 17 makes connecting rod one 18 that is connected with dwang two 17 to move to the direction of supporting pad 7, supporting pad 7 rotation is supported in the removal of connecting rod one 18, make supporting pad 7 propped, the supporting pad 7 that props up can make people's shank supported, can make people can whole-body lying that does not land, make people's comfort level effect better.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a sofa structure of back can be adjusted in linkage, includes sofa base (1), sofa base (1) both sides all are equipped with handrail frame (2), sofa base (1) top is equipped with cushion (4), its characterized in that: the edge of the sofa base (1) is provided with a backrest (3), the end part of the sofa base (1) far away from the backrest (3) is hinged with a supporting pad (7), a first connecting rod mechanism (23) is arranged in the sofa base (1), the first connecting rod mechanism (23) comprises a first moving rod (13) which moves between the backrest (3) and the supporting pad (7), one end of the first moving rod (13) is rotatably connected with the first rotating rod (9), the other end of the first moving rod is rotatably connected with the supporting pad (7), the rotating rod I (9) is fixedly connected with the backrest (3), the rotating rod I (9) is rotatably connected with the sofa base (1), the rotating axis of the rotating rod I (9) is the same as the hinge axis of the supporting pad (7), the rotating axis of the rotating rod I (9) is positioned between the backrest (3) and the moving rod I (13), the sofa base (1) is internally provided with a limiting mechanism (28) for limiting the rotation of the backrest (3).
2. The sofa structure with linked adjustable backrest as claimed in claim 1, wherein: dwang one (9) is equipped with waist shape hole one (11) at its length direction, carriage release lever one (13) has set firmly spliced pole one (12), spliced pole one (12) slides with waist shape hole one (11) and is connected, sofa base (1) lateral wall has set firmly slide rail (14), carriage release lever one (13) slides with slide rail (14) and is connected, the tip that dwang one (9) was kept away from in carriage release lever one (13) is rotated and is connected with and drives two (22) of drive supporting pad (7) pivoted link mechanism, when dwang one (9) rotates stop gear (28), two (22) of link mechanism drive supporting pad (7) rotate horizontal position.
3. The sofa structure with linked adjustable backrest as claimed in claim 2, wherein: link mechanism two (22) are including dwang two (17), be equipped with waist shape hole two (24) on dwang two (17), the tip that dwang (9) were kept away from in carriage release lever one (13) has set firmly spliced pole two (20), spliced pole two (20) slide with waist shape hole two (24) and be connected, the top and the sofa base (1) of dwang two (17) rotate to be connected, the bottom of dwang two (17) is rotated and is connected with connecting rod one (18), the tip that dwang two (17) were kept away from in connecting rod one (18) rotates with supporting pad (7) to be connected.
4. The sofa structure with linked adjustable backrest as claimed in claim 3, wherein: the backrest (3) is provided with a slot (8), and the backrest (3) is connected with the rotating rod I (9) in an inserting mode.
5. The sofa structure with linked adjustable backrest as claimed in claim 4, wherein: the limiting mechanism (28) comprises a convex block (21) fixedly connected with the first moving rod (13), and when the backrest (3) rotates to the limit position, the convex block (21) abuts against the end part of the sliding rail (14).
6. The sofa structure with linked adjustable backrest as claimed in claim 5, wherein: tip fixedly connected with spring (27) of center of rotation are kept away from to dwang two (17), spring (27) and sofa base (1) fixed connection, supporting pad (7) are in horizontal position and make, spring (27) are in tensile state.
7. The sofa structure with linked adjustable backrest as claimed in claim 1, wherein: the sofa base (1) on the two armrest frame (2) sides is provided with a first connecting rod mechanism (23), and a second connecting rod (16) is fixedly connected between the first moving rods (13).
8. The sofa structure with linked adjustable backrest as claimed in claim 4, wherein: stop gear (28) still include gag lever post (15), when back (3) rotated extreme position, dwang one (9) are contradicted in gag lever post (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321122.1U CN211911079U (en) | 2020-03-14 | 2020-03-14 | Sofa structure capable of adjusting backrest in linkage manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321122.1U CN211911079U (en) | 2020-03-14 | 2020-03-14 | Sofa structure capable of adjusting backrest in linkage manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211911079U true CN211911079U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020321122.1U Active CN211911079U (en) | 2020-03-14 | 2020-03-14 | Sofa structure capable of adjusting backrest in linkage manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211911079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088979A (en) * | 2022-05-21 | 2022-09-23 | 嘉善沣德家具有限公司 | Multi-connecting-rod angle adjusting sofa bed |
| CN115251649A (en) * | 2022-09-15 | 2022-11-01 | 浙江奥尔卡机械科技股份有限公司 | Electric adjusting structure of electric sofa with high warped feet |
-
2020
- 2020-03-14 CN CN202020321122.1U patent/CN211911079U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088979A (en) * | 2022-05-21 | 2022-09-23 | 嘉善沣德家具有限公司 | Multi-connecting-rod angle adjusting sofa bed |
| CN115251649A (en) * | 2022-09-15 | 2022-11-01 | 浙江奥尔卡机械科技股份有限公司 | Electric adjusting structure of electric sofa with high warped feet |
| CN115251649B (en) * | 2022-09-15 | 2024-03-08 | 浙江奥尔卡机械科技股份有限公司 | Electric adjusting structure of high-warp foot electric sofa |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220920 Address after: Building 2, No. 507, Xinsheng Road, Yuxin Town, Jiaxing City, Zhejiang Province, 314000 Patentee after: Zhejiang Meirui smart home Co.,Ltd. Address before: 314009 East half of the second factory building on the north side of Yufeng Highway, east of the connecting line of Zhajiasu Expressway, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: Yonglihu metal furniture factory |
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| TR01 | Transfer of patent right |