CN212036837U - High-grade sofa with freely adjustable backrest - Google Patents
High-grade sofa with freely adjustable backrest Download PDFInfo
- Publication number
- CN212036837U CN212036837U CN202020535386.7U CN202020535386U CN212036837U CN 212036837 U CN212036837 U CN 212036837U CN 202020535386 U CN202020535386 U CN 202020535386U CN 212036837 U CN212036837 U CN 212036837U
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- China
- Prior art keywords
- backrest
- worm
- screw rod
- handrail
- sofa
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- Expired - Fee Related
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- 230000000903 blocking effect Effects 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of sofa, in particular to a high-grade sofa with an arbitrarily adjustable backrest, which comprises a base, wherein handrails are arranged on two sides of the base, a cushion is arranged on the top side of the base, a working bin is arranged on one side of the base, two supporting blocks are symmetrically arranged on the inner side of the working bin in parallel, a worm is arranged on the top side of each supporting block, a connecting rod is arranged on the inner side of the working bin, a worm wheel is arranged on the outer side of the connecting rod, bearings are arranged on two sides of the worm wheel, a moving rod is arranged on the top side of each bearing, a backrest is arranged on one side of the moving rod, a blocking block is arranged on one side of the backrest, a lead screw A is arranged on the inner side of each handrail, a lead screw B is arranged on one side of the lead screw B, one side of the lead screw C penetrates through the inner, excellent experience effect and comfortable feeling effect.
Description
Technical Field
The utility model relates to a sofa technical field especially relates to a high-grade sofa of back can be adjusted wantonly.
Background
With the gradual improvement of living standard of people, the sofa as a living enjoyment article is more and more introduced into families of ordinary people, the inclination angle of the backrest of the traditional sofa is fixed, and people can only maintain a backrest posture when sitting on the sofa, so that the sofa is easy to generate fatigue feeling after sitting for a long time. The conventional sofa with the adjustable backrest angle generally has the defects of complicated structure, single backrest adjusting angle and inflexible backrest adjustment, cannot bring good experience effect to people, and can reach a satisfactory comfortable angle, so that a high-grade sofa with the freely adjustable backrest is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-grade sofa with a backrest capable of being adjusted at will.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the high-grade sofa with the backrest capable of being adjusted at will comprises a base, wherein handrails are fixedly arranged on two sides of the base, a cushion is movably connected to the top side of the base, a working bin is fixedly arranged on one side of the base, two supporting blocks are symmetrically and parallelly fixedly arranged on the inner side of the working bin, a worm is rotatably connected to the top sides of the supporting blocks, one side of the worm penetrates through the base and extends to the inner side of the handrail, a connecting rod is fixedly connected to the inner side of the working bin, the top side of the supporting block is fixedly connected with the inner side of the working bin, a worm wheel is movably sleeved on the outer side of the connecting rod and is in gear meshing transmission with the worm, bearings are fixedly connected to two sides of the worm wheel, the bearings are movably sleeved on the outer side of the connecting rod, a moving rod is fixedly connected to the top side, one side of back is equipped with through the detachable connection of buckle and hides the dog, the handrail is the cavity structure, the inboard position that is close to the worm of handrail rotates to be connected and is equipped with lead screw A, one side of lead screw A is equipped with lead screw B, lead screw B rotates to be connected on the handrail inside wall, one side of lead screw B is equipped with lead screw C, lead screw C rotates to be connected on the handrail inside wall, one side of lead screw C runs through outside the handrail inside wall extends to, one side fixed connection of lead screw C is equipped with the rolling disc.
Preferably, the bottom side of the armrest is connected with a bottom cover in a turnover mode through a hinge, and two ends of the bottom side of the armrest are fixedly connected with supporting legs.
Preferably, the handrail is fixed with the spacing groove with the relative one side of back, and the inboard sliding connection of spacing groove is equipped with the stopper, and swing joint is equipped with the spring between one side of stopper and the relative one side of one end side of spacing groove, and one side of stopper is passed through the buckle and is detachably connected in one side of back, and the spacing groove is the arc structure.
Preferably, one side of the worm is in transmission connection with one side of the screw rod A through threads.
The utility model provides a high-grade sofa of back can be adjusted wantonly, beneficial effect lies in: the bottom cover is connected and arranged at the bottom side of the armrest in a turnover way through a hinge, supporting legs are fixedly connected and arranged at two ends of the bottom side of the armrest, a transmission mechanism at the inner side of the armrest is convenient to overhaul, the maintenance and the service life are convenient, the supporting legs can avoid abrasion to the bottom of the sofa when the sofa is pulled, the service life of the sofa is reduced, a certain height space is convenient for cleaning dust at the bottom of the sofa, a limit groove is fixedly arranged at one side of the armrest opposite to the backrest, a limit block is connected at the inner side of the limit groove in a sliding way, a spring is movably connected between one side of the limit block and one side of the limit groove opposite to one end side, one side of the limit block is detachably connected at one side of the backrest through a buckle, the limit groove is of an arc structure, a limit buffer is formed when the backrest is adjusted, relax the mind and body, to adjusting further optimization, pass through threaded transmission with one side of lead screw A through one side of worm and be connected, can drive the manual regulation back of worm through drive lead screw A, adjust to the angle that oneself is satisfied with, make the back can be adjusted to the sofa, can not seem the function singleness, this high-grade sofa that can adjust the back wantonly, simple structure is ingenious, convenient operation is laborsaving, excellent experience effect, comfortable impression effect.
Drawings
Fig. 1 is a schematic isometric structural view of a high-grade sofa with a backrest capable of being adjusted at will according to the present invention;
fig. 2 is a schematic rear view sectional structure view of a high-grade sofa with a backrest capable of being adjusted arbitrarily, which is provided by the utility model;
fig. 3 is a schematic view of a right-side cross-sectional structure of a high-grade sofa with an arbitrarily adjustable backrest according to the present invention;
fig. 4 is a schematic view of a bottom view structure of a high-grade sofa with a backrest capable of being adjusted arbitrarily, which is provided by the utility model;
fig. 5 is a schematic view of the inside structure of the armrest of the high-end sofa with the backrest capable of being adjusted at will.
In the figure: the device comprises a base 1, armrests 2, a bottom cover 201, a limiting groove 202, a limiting block 203, a spring 204, a seat cushion 3, a working chamber 4, a supporting block 5, a worm 6, a connecting rod 7, a worm wheel 8, a bearing 9, a moving rod 10, a backrest 11, a shielding block 12, a screw rod A13, a screw rod B14, a screw rod C15, a rotating disc 16 and supporting legs 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a top grade sofa with a backrest capable of being adjusted at will comprises a base 1, armrests 2 are fixedly arranged on two sides of the base 1, a cushion 3 is movably connected on the top side of the base 1, a working bin 4 is fixedly arranged on one side of the base 1, two supporting blocks 5 are symmetrically and parallelly fixedly arranged on the inner side of the working bin 4, a worm 6 is rotatably connected on the top side of each supporting block 5, one side of the worm 6 penetrates through the base 1 and extends to the inner side of the armrest 2, a connecting rod 7 is fixedly connected on the top side of the supporting block 5 on the inner side of the working bin 4, a worm wheel 8 is movably sleeved on the outer side of the connecting rod 7, the worm wheel 8 and the worm 6 are in gear engagement transmission, bearings 9 are fixedly connected on two sides of the worm wheel 8, the bearings 9 are movably sleeved on the outer side of the connecting rod 7, backrest 11 rotates the inboard of connecting at handrail 2, one side of backrest 11 is equipped with through the detachable connection of buckle and blocks 12, handrail 2 is the cavity structure, the inboard position that is close to worm 6 of handrail 2 rotates to be connected and is equipped with lead screw A13, one side of lead screw A13 is equipped with lead screw B14, lead screw B14 rotates to be connected on handrail 2 inside wall, one side of lead screw B14 is equipped with lead screw C15, lead screw C15 rotates to be connected on handrail 2 inside wall, one side of lead screw C15 is run through and is extended outside in handrail 2 inside wall, one side fixed connection of lead screw C15 is equipped with rolling disc 16.
The utility model discloses in, bottom side through handrail 2 is connected through the hinge upset and is equipped with bottom 201, and handrail 2's bottom side both ends fixed connection is equipped with supporting legs 17, and the convenience is overhauld 2 inboard drive mechanism of handrail, and the maintenance increase of service life of being convenient for, supporting legs 17 set up and can avoid when the pulling sofa, cause wearing and tearing to reduce sofa life bottom, and certain high space is convenient for carry out the dust clearance bottom the sofa.
The utility model discloses in, through fixed spacing groove 202 that is equipped with in one side that handrail 2 is relative with back 11, the inboard sliding connection of spacing groove 202 is equipped with stopper 203, swing joint is equipped with spring 204 between one side of stopper 203 and one side relative of a distolateral of spacing groove 202, one side of stopper 203 is passed through the buckle detachable and is connected in one side of back 11, spacing groove 202 is the arc structure, make back 11 adjust a spacing buffering, improve the degree of accuracy that back 11 adjusted, the user can adjust suitable angle, relax the body and mind, further optimization to the adjustment.
The utility model discloses in, pass through the screw drive through one side of worm 6 and one side of lead screw A13 and be connected, can drive worm 6 manual regulation back 11 through drive lead screw A13, adjust the angle that oneself is satisfied with, make the back can be adjusted to the sofa, can not seem the function singleness, this can adjust the high-grade sofa of back wantonly, simple structure is ingenious, convenient operation is laborsaving, excellent experience effect, comfortable impression effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The high-grade sofa with the backrest capable of being adjusted at will comprises a base (1) and is characterized in that handrails (2) are fixedly arranged on two sides of the base (1), a cushion (3) is movably connected to the top side of the base (1), a working bin (4) is fixedly arranged on one side of the base (1), two supporting blocks (5) are symmetrically and parallelly fixedly arranged on the inner side of the working bin (4), a worm (6) is rotatably connected to the top side of each supporting block (5), one side of the worm (6) penetrates through the base (1) and extends to the inner side of the handrail (2), a connecting rod (7) is fixedly connected to the inner side of the working bin (4) on the top side of each supporting block (5), a worm wheel (8) is movably sleeved on the outer side of the connecting rod (7), the worm wheel (8) and the worm (6) are in gear engagement transmission, bearings (9) are fixedly connected to two sides of the worm, the bearing (9) is movably sleeved on the outer side of the connecting rod (7), the top side of the bearing (9) is fixedly connected with a moving rod (10), one side of the moving rod (10) is provided with a backrest (11), the backrest (11) is rotatably connected with the inner side of the handrail (2), one side of the backrest (11) is provided with a blocking block (12) through a buckle in a detachable connection manner, the handrail (2) is of a cavity structure, the inner side of the handrail (2) is close to a position of the worm (6) and is rotatably connected with a screw rod A (13), one side of the screw rod A (13) is provided with a screw rod B (14), the screw rod B (14) is rotatably connected with the inner side wall of the handrail (2), one side of the screw rod B (14) is provided with a screw rod C (15), the screw rod C (15) is rotatably connected with the inner side wall of the handrail (2), one side of the screw rod C (15) runs through, and a rotating disc (16) is fixedly connected to one side of the screw rod C (15).
2. The sofa with the freely adjustable backrest as claimed in claim 1, wherein the bottom side of the armrest (2) is provided with a bottom cover (201) by hinge turning connection, and the two ends of the bottom side of the armrest (2) are fixedly connected with supporting feet (17).
3. The high-grade sofa with the freely adjustable backrest as claimed in claim 1, characterized in that one side of the armrest (2) opposite to the backrest (11) is fixedly provided with a limiting groove (202), the inner side of the limiting groove (202) is slidably connected with a limiting block (203), one side of the limiting block (203) is movably connected with one side of the limiting groove (202) opposite to one end side thereof through a spring (204), one side of the limiting block (203) is detachably connected with one side of the backrest (11) through a buckle, and the limiting groove (202) is of an arc structure.
4. The sofa with the adjustable backrest as claimed in claim 1, wherein one side of the worm (6) is in threaded transmission connection with one side of the screw rod A (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535386.7U CN212036837U (en) | 2020-04-13 | 2020-04-13 | High-grade sofa with freely adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535386.7U CN212036837U (en) | 2020-04-13 | 2020-04-13 | High-grade sofa with freely adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212036837U true CN212036837U (en) | 2020-12-01 |
Family
ID=73524790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020535386.7U Expired - Fee Related CN212036837U (en) | 2020-04-13 | 2020-04-13 | High-grade sofa with freely adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212036837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114903311A (en) * | 2022-05-31 | 2022-08-16 | 东莞戎马家具有限公司 | Combined soft sofa for living room |
-
2020
- 2020-04-13 CN CN202020535386.7U patent/CN212036837U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114903311A (en) * | 2022-05-31 | 2022-08-16 | 东莞戎马家具有限公司 | Combined soft sofa for living room |
| 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: 20201201 |