CN221129383U - Sliding and stretching functional frame of zero-back wall backrest sofa - Google Patents
Sliding and stretching functional frame of zero-back wall backrest sofa Download PDFInfo
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- CN221129383U CN221129383U CN202323288847.8U CN202323288847U CN221129383U CN 221129383 U CN221129383 U CN 221129383U CN 202323288847 U CN202323288847 U CN 202323288847U CN 221129383 U CN221129383 U CN 221129383U
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- stretching
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Abstract
The utility model provides a sliding and stretching functional frame of a zero-wall backrest sofa, which relates to the technical field of sofa functional frames and comprises a sofa underframe, wherein a backrest connecting assembly and a cushion receiving rod are connected to the sofa underframe in a sliding manner, one end of the cushion receiving rod is rotationally connected with the backrest connecting assembly, and the other end of the cushion receiving rod is rotationally connected with the stretching assembly. The back connecting assembly is slidably connected to the sofa underframe, when the back connecting assembly is close to the rear end of the sofa underframe, the back connecting block is perpendicular to the sofa underframe, the back of the sofa is in a straightening state, when the back connecting assembly slides from the first positioning position to the second positioning position of the sliding groove, the back of the sofa is in a backward inclined state, and when the back connecting block is inclined, the back connecting assembly moves in a direction away from the back of the sofa, so that the back of the sofa after inclination does not lean against a wall surface behind the sofa.
Description
Technical Field
The utility model relates to the technical field of sofa function frames, in particular to a zero-back wall backrest sofa sliding and stretching function frame.
Background
Along with the development of technology, the function of sofa is more and more, the sofa frame that has appeared in many changeable structures on the market can satisfy people's demand of sitting or half lying, and when sofa frame was adjusted from vertical state to the state of leaning back, the back of sofa often can lean on the wall behind the sofa, consequently leaves the scratch on the wall easily, influences the pleasing to the eye of wall, consequently, how to make the sofa adjust the back on, the sofa can not lean on the wall, then need carry out optimal design to the support body of sofa.
The technical contents disclosed in the Chinese patent document (application number: CN03223362, patent name: multifunctional sofa frame) are as follows: the multifunctional sofa frame comprises a bottom frame, a sitting frame and a back rest frame, wherein the back rest frame is connected to the rear end of the sitting frame, the left side and the right side of the front end of the bottom frame are symmetrically connected with telescopic mechanisms formed by a plurality of connecting rods which are mutually hinged in a crossing way, the extending end of each telescopic mechanism is provided with a pedal frame, and the other end of each telescopic mechanism is hinged with the bottom frame and is also connected with a driving mechanism and is driven to stretch by the driving mechanism; the seat frame is erected above the underframe, the connecting part at the front end of the seat frame is hinged with the telescopic mechanism, and the rear end of the seat frame is hinged with the underframe.
According to the embodiment, the back rest of the sofa frame is connected to the rear end of the seat frame, so that when the back rest is adjusted backwards, the back rest can incline backwards, and the back rest can easily lean against the back wall surface, thereby scratching the wall surface.
Disclosure of utility model
The utility model overcomes the defects in the prior art, the backrest connecting component is arranged in a sliding way and connected to the sofa underframe, when the backrest connecting component is close to the rear end of the sofa underframe, the backrest connecting block of the backrest connecting component is vertical to the sofa underframe, the backrest of the sofa is in a straightening state, when the backrest connecting component slides from the first positioning to the second positioning of the sliding groove, the upper end of the backrest connecting block swings backwards, the backrest connecting block and the sofa underframe form an included angle, at the moment, the backrest of the sofa is in a backward inclined state, a person can sit on the backrest connecting block and can lie half, but because the backrest connecting block moves in a direction far away from the back of the sofa when the backrest connecting block is inclined, the backrest of the sofa after the inclination can not lean against the wall surface behind the sofa.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The zero-wall backrest sofa sliding and stretching functional frame is provided with a sofa underframe, wherein a backrest connecting assembly and a cushion connecting rod are connected to the sofa underframe in a sliding manner, one end of the cushion connecting rod is rotationally connected with the backrest connecting assembly, and the other end of the cushion connecting rod is rotationally connected with the extension assembly;
The backrest connecting assembly comprises a backrest inserting rod, and the backrest connecting assembly slides relative to the sofa underframe to enable the backrest inserting rod to be perpendicular to the sofa underframe or incline to the sofa underframe;
the cushion receiving rod slides relative to the sofa underframe to enable the extension assembly to form an extension or contraction shape.
Still further, the sofa chassis includes sliding tray and back rotation connection position, and the back coupling assembling is including rotating basic pole and swing piece, rotates the one end rotation of basic pole and is connected in back rotation connection position department, and the other end rotation of rotating basic pole is connected with the triangle connecting block, and the triangle connecting block rotates with the swing piece to be connected, and swing piece sliding connection is in the sliding tray.
Still further, the swing piece is provided with lower extreme angle, first upper end angle and second upper end angle, and the triangle connecting block includes first acute angle end, second acute angle end and right angle end, and right angle end and second upper end angle rotate to be connected, and lower extreme angle sliding connection is in the sliding tray, and first upper end angle rotates to be connected with the connecting rod, and the other end of connecting rod rotates to be connected with the back connecting block.
Still further, the back connecting block comprises a back first rotating position, a back second rotating position and a back inserting rod, wherein the back second rotating position is rotationally connected with the second upper end angle, and the back inserting rod is connected with the back of the sofa.
Further, the cushion receiving rod is provided with a first sliding displacement, a second sliding displacement, a third sliding displacement, a fourth sliding displacement and an extension connecting position;
the first sliding displacement, the second sliding displacement, the third sliding displacement and the fourth sliding displacement are all connected in the sliding groove in a sliding way.
Further, one end of the sliding groove, which is close to the backrest, is provided with a first positioning, the first positioning is provided with a second positioning along the sliding groove towards the obliquely lower side, the second positioning is provided with a third positioning along the sliding groove towards the obliquely upper side, and the third positioning is provided with a fourth positioning along the sliding groove towards the obliquely upper side.
Further, the fourth sliding position and the extension connecting position are both rotatably connected with the extension assembly.
Still further, the extension subassembly includes first extension pole, the one end rotation of first extension pole is connected with the second extension pole, the other end rotation of second extension pole is connected with the fifth extension pole, the middle-end rotation of second extension pole is connected with the third extension pole, the one end rotation of third extension pole is connected with the fourth extension pole, the middle-end rotation of fourth extension pole is connected with the fifth extension pole, the one end rotation of fifth extension pole is kept away from the second extension pole is connected with the sixth extension pole, the other end rotation of sixth extension pole is connected with the running-board, the one end that the fourth extension pole kept away from the third extension pole is rotated with the running-board and is connected.
Compared with the prior art, the utility model has the beneficial effects that:
The backrest connecting assembly is connected to the sofa underframe in a sliding mode, when the backrest connecting assembly is close to the rear end of the sofa underframe, the backrest connecting block of the backrest connecting assembly is perpendicular to the sofa underframe, the backrest of the sofa is in a straightening state, when the backrest connecting assembly slides to the second positioning from the first positioning of the sliding groove, the upper end of the backrest connecting block swings backwards, an included angle is formed between the backrest connecting block and the sofa underframe, the backrest of the sofa is in a backward inclined state, a person can lie on the backrest connecting block in a semi-inclined mode, but because the backrest connecting assembly moves in a direction away from the back of the sofa when the backrest connecting block is inclined, the backrest of the sofa after the inclination can not lean against the wall surface behind the sofa, so that the function of the sofa zero-backrest wall is realized, and the wall surface is prevented from being scratched in the use process of the sofa.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, in which:
FIG. 1 is a schematic view of a function rack in an expanded state;
FIG. 2 is a schematic view of a function rack in a contracted state;
FIG. 3 is a schematic view of a sofa chassis;
FIG. 4 is a schematic view of a cushion receiving rod;
FIG. 5 is a schematic view of the extension assembly in an extended state;
FIG. 6 is a schematic view of the extension assembly in a contracted state;
FIG. 7 is a schematic view of a first embodiment of a backrest connection assembly in a backrest reclined condition;
FIG. 8 is a schematic view of a first embodiment of a back attachment assembly in a back-rest straightened condition;
FIG. 9 is a schematic diagram of a triangle connection block structure;
FIG. 10 is a schematic diagram of a wobble block structure;
FIG. 11 is a schematic view of a backrest connecting block structure;
FIG. 12 is a schematic view of a second embodiment of a backrest connection assembly in a backrest reclined condition;
fig. 13 is a schematic view of a second embodiment of the backrest connecting assembly in a straightened backrest position.
In the figure: 1. a sofa underframe; 101. a sliding groove; 1011. a first positioning; 1012. a second positioning; 1013. third positioning; 1014. fourth positioning; 102. the backrest rotates the connecting position; 2. a backrest connection assembly; 201. rotating the base rod; 202. a swinging block; 2021. a lower end angle; 2022. a first upper end angle; 2023. a second upper end angle; 203. a triangular connecting block; 2031. a first acute angle end; 2032. a right angle end; 2033. a second acute angle end; 204. a connecting rod; 205. a backrest connecting block; 2051. a backrest insert; 2052. a backrest first rotation position; 2053. a second rotational position of the backrest; 206. a middle connecting rod; 3. a cushion receiving rod; 301. a first sliding displacement; 302. a second sliding displacement; 303. a third sliding displacement; 304. a fourth sliding displacement; 305. extending the connection bit; 4. an extension assembly; 401. a first extension rod; 402. a second extension rod; 403. a third extension rod; 404. a fourth extension bar; 405. a fifth extension bar; 406. a sixth extension bar; 407. a foot pedal.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
First embodiment
As shown in fig. 1 to 11, a sliding and stretching functional frame of a zero-wall backrest sofa is provided with a sofa underframe 1, wherein a backrest connecting assembly 2 and a cushion connecting rod 3 are connected to the sofa underframe 1 in a sliding manner, one end of the cushion connecting rod 3 is rotationally connected with the backrest connecting assembly 2, and the other end of the cushion connecting rod 3 is rotationally connected with an extension assembly 4; the sofa underframe 1 comprises a sliding groove 101 and a backrest rotating connecting position 102, the backrest connecting assembly 2 comprises a rotating base rod 201 and a swinging block 202, one end of the rotating base rod 201 is rotationally connected to the backrest rotating connecting position 102, the other end of the rotating base rod 201 is rotationally connected with a triangular connecting block 203, the triangular connecting block 203 is rotationally connected with the swinging block 202, and the swinging block 202 is slidingly connected in the sliding groove 101. The backrest connecting assembly 2 includes a backrest insert 2051, and the backrest connecting assembly 2 slides relative to the sofa base frame 1 such that the backrest insert 2051 is perpendicular to the sofa base frame 1 or inclined to the sofa base frame 1; the cushion receiving rod 3 slides relative to the sofa underframe 1 to enable the extension assembly 4 to form an extension or contraction shape, the sofa backrest in a contracted state is in a straightened state, the foot rest 407 of the sofa is in a contracted state, a person can sit on the sofa backrest in an expanded state, the sofa backrest in an expanded state is in a backward inclined state, the foot rest 407 of the sofa is in an outward extension state, the person can sit on the sofa backrest in a backward half lying state, and the foot rest Fang Yu is arranged on the foot rest 407 of the sofa.
The cushion receiving rod 3 is provided with a first slide shift 301, a second slide shift 302, a third slide shift 303, a fourth slide shift 304 and an extension connection position 305, wherein the first slide shift 301, the second slide shift 302, the third slide shift 303 and the fourth slide shift 304 are all in sliding connection with the sliding groove 101, one end of the sliding groove 101 close to the backrest is provided with a first positioning 1011, the first positioning 1011 is provided with a second positioning 1012 along the sliding groove 101 obliquely downward, the second positioning 1012 is provided with a third positioning 1013 along the sliding groove 101 obliquely upward, and the third positioning 1013 is provided with a fourth positioning 1014 along the sliding groove 101 obliquely upward. When the first sliding shift 301 and the lower end angle 2021 of the swinging block 202 are in the first position 1011, the second sliding shift 302 is in the second position 1012, the third sliding shift 303 is in the third position 1013, the fourth sliding shift 304 is in the fourth position, the backrest connecting block 205 of the backrest connecting assembly 2 is perpendicular to the sofa underframe 1, the backrest of the sofa is in a straightened state, the extension assembly 4 is in a contracted state, when the first sliding shift 301 and the lower end angle 2021 of the swinging block 202 slide along the sliding groove 101 to the second position 1012, the second sliding shift 302 is in the third position 1013, the third sliding shift 303 is in the fourth position 1014, the fourth sliding shift 304 moves out of the outer end of the sofa underframe 1, at this time, the upper end of the backrest connecting block 205 swings backwards, the backrest connecting block 205 forms an included angle with the sofa 1, at this time, the backrest of the sofa is in a state where a person sits on the sofa, the backrest connecting assembly 2 is in a state where the backrest is far away from the back, and the sofa after the reclining can not be scraped to the back along the wall surface, so that the function of the sofa after the sofa is not in a wall surface, and the wall surface of the wall is prevented from being scratched.
The swinging block 202 is provided with a lower end angle 2021, a first upper end angle 2022 and a second upper end angle 2023, the triangular connecting block 203 comprises a first acute angle end 2031, a second acute angle end 2033 and a right angle end 2032, the right angle end 2032 is rotationally connected with the second upper end angle 2023, the lower end angle 2021 is slidingly connected in the sliding groove 101, the first upper end angle 2022 is rotationally connected with the connecting rod 204, and the other end of the connecting rod 204 is rotationally connected with the backrest connecting block 205. The backrest connecting block 205 includes a backrest first rotational position 2052, a backrest second rotational position 2053, and a backrest insert 2051, the backrest second rotational position 2053 is rotationally connected to the second upper end angle 2023, the backrest insert 2051 is connected to the backrest of the sofa, the fourth slide shift 304 and the extension connecting position 305 are both rotationally connected to the extension unit 4, the lower end angle 2021 is coaxial with the first slide shift 301, so the lower end angle 2021 is coaxially slidable in the slide groove 101 together with the first slide shift 301, and the lower end of the rotational base rod 201 is coaxially rotationally connected to the backrest rotational connecting position 102, so the backrest connecting unit 2 is virtually slidable in the slide groove 101 around the swing of the rotational base rod 201, thus the backrest connecting unit 2 is restricted from moving only between the first and second positions 1011, 1012, and the backrest connecting unit 2 is only capable of being linearly connected in an inclined straight line between the first and second positions 1011, 1012 and is not capable of staying in any position of the slide groove 101, so the stability of the sofa is not necessarily adjusted after sitting on the upper surface.
The extension assembly 4 comprises a first extension rod 401, one end of the first extension rod 401 is rotationally connected with a second extension rod 402, the other end of the second extension rod 402 is rotationally connected with a fifth extension rod 405, the middle end of the second extension rod 402 is rotationally connected with a third extension rod 403, one end of the third extension rod 403 is rotationally connected with a fourth extension rod 404, the middle end of the fourth extension rod 404 is rotationally connected with a fifth extension rod 405, one end of the fifth extension rod 405, which is far away from the second extension rod 402, is rotationally connected with a sixth extension rod 406, the other end of the sixth extension rod 406 is rotationally connected with a foot pedal 407, one end of the fourth extension rod 404, which is far away from the third extension rod 403, is rotationally connected with the foot pedal 407, when the cushion receiving rod 3 is retracted, the extension assembly 4 is in a contracted state, the cushion receiving rod 3 is pushed out of the functional frame, the arc-shaped linkage between the extension rods is unfolded, at this time, the foot pedal 407 extends to the far distance, and the foot pedal 407 is conveniently placed half lying.
Second embodiment
As shown in fig. 12 and 13, the second embodiment differs from the first embodiment only in that the backrest connecting assembly 2 is added with a middle link 206, one end of the middle link 206 is rotatably connected with the middle end of the link 204, the other end is rotatably connected with the triangle connecting block 203, and the middle link 206 increases the stability of the backrest connecting assembly 2.
Finally, it should be noted that: although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The zero-wall backrest sofa sliding and stretching functional frame is provided with a sofa underframe (1) and is characterized in that a backrest connecting assembly (2) and a cushion receiving rod (3) are connected to the sofa underframe (1) in a sliding manner, one end of the cushion receiving rod (3) is rotationally connected with the backrest connecting assembly (2), and the other end of the cushion receiving rod (3) is rotationally connected with an extension assembly (4);
The backrest connecting assembly (2) comprises a backrest inserting rod (2051), and the backrest connecting assembly (2) slides relative to the sofa underframe (1) so that the backrest inserting rod (2051) is perpendicular to the sofa underframe (1) or is inclined to the sofa underframe (1);
the cushion receiving rod (3) slides relative to the sofa underframe (1) to enable the extension assembly (4) to form an extension or contraction shape;
The sofa underframe (1) comprises a sliding groove (101) and a backrest rotating connecting position (102), the backrest connecting assembly (2) comprises a rotating base rod (201) and a swinging block (202), one end of the rotating base rod (201) is rotationally connected to the backrest rotating connecting position (102), the other end of the rotating base rod (201) is rotationally connected with a triangular connecting block (203), the triangular connecting block (203) is rotationally connected with the swinging block (202), and the swinging block (202) is slidingly connected in the sliding groove (101);
The swing block (202) is provided with lower extreme angle (2021), first upper end angle (2022) and second upper end angle (2023), triangle connecting block (203) are including first acute angle end (2031), second acute angle end (2033) and right angle end (2032), right angle end (2032) are rotated with second upper end angle (2023) and are connected, lower extreme angle (2021) sliding connection is in sliding tray (101), first upper end angle (2022) rotates and is connected with connecting rod (204), the other end of connecting rod (204) rotates and is connected with back connecting block (205).
2. The zero wall back sofa sliding and stretching functional frame according to claim 1, wherein the back connecting block (205) comprises a back first rotating position (2052), a back second rotating position (2053) and a back inserting rod (2051), wherein the back second rotating position (2053) is rotatably connected with the second upper end angle (2023), and the back inserting rod (2051) is connected with the back of the sofa.
3. The zero wall back sofa sliding and stretching functional frame according to claim 2, characterized in that the cushion receiving rod (3) is provided with a first sliding displacement (301), a second sliding displacement (302), a third sliding displacement (303), a fourth sliding displacement (304) and an extension connecting position (305);
The first sliding displacement (301), the second sliding displacement (302), the third sliding displacement (303) and the fourth sliding displacement (304) are all connected in the sliding groove (101) in a sliding mode.
4. The sliding and stretching functional frame for the zero wall backrest sofa according to claim 3, wherein a first positioning (1011) is arranged at one end, close to the backrest, of the sliding groove (101), a second positioning (1012) is arranged at the first positioning (1011) along the sliding groove (101) obliquely downwards, a third positioning (1013) is arranged at the second positioning (1012) obliquely upwards along the sliding groove (101), and a fourth positioning (1014) is arranged at the third positioning (1013) obliquely upwards along the sliding groove (101).
5. The wall-free back sofa slide-and-extend function frame according to claim 4, wherein the fourth slide-and-shift (304) and the extension connection (305) are both rotatably connected to the extension assembly (4).
6. The sliding and stretching functional rack for a wall backrest sofa according to any one of claims 1 to 5, wherein the stretching assembly (4) comprises a first stretching rod (401), one end of the first stretching rod (401) is rotatably connected with a second stretching rod (402), the other end of the second stretching rod (402) is rotatably connected with a fifth stretching rod (405), the middle end of the second stretching rod (402) is rotatably connected with a third stretching rod (403), one end of the third stretching rod (403) is rotatably connected with a fourth stretching rod (404), the middle end of the fourth stretching rod (404) is rotatably connected with a fifth stretching rod (405), one end of the fifth stretching rod (405) away from the second stretching rod (402) is rotatably connected with a sixth stretching rod (406), the other end of the sixth stretching rod (406) is rotatably connected with a foot pedal (407), and one end of the fourth stretching rod (404) away from the third stretching rod (403) is rotatably connected with the foot pedal (407).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323288847.8U CN221129383U (en) | 2023-12-04 | 2023-12-04 | Sliding and stretching functional frame of zero-back wall backrest sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323288847.8U CN221129383U (en) | 2023-12-04 | 2023-12-04 | Sliding and stretching functional frame of zero-back wall backrest sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221129383U true CN221129383U (en) | 2024-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323288847.8U Active CN221129383U (en) | 2023-12-04 | 2023-12-04 | Sliding and stretching functional frame of zero-back wall backrest sofa |
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| Country | Link |
|---|---|
| CN (1) | CN221129383U (en) |
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2023
- 2023-12-04 CN CN202323288847.8U patent/CN221129383U/en active Active
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