CN218922160U - Sofa with adjustable sitting depth - Google Patents
Sofa with adjustable sitting depth Download PDFInfo
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- CN218922160U CN218922160U CN202223057091.1U CN202223057091U CN218922160U CN 218922160 U CN218922160 U CN 218922160U CN 202223057091 U CN202223057091 U CN 202223057091U CN 218922160 U CN218922160 U CN 218922160U
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Abstract
The utility model relates to the technical field of sofas and discloses a sofa with adjustable sitting depth, which comprises a base, wherein handrails are slidably connected to two sides of the top of the base, a driving mechanism for driving the handrails to lift is arranged in the base, driven mechanisms are rotatably connected to two sides of the inner wall of the base, and lifting mechanisms for supporting the handrails are arranged on one side, close to the driven mechanisms, of the two sides of the inner side of the base. This sit dark adjustable sofa, the regulating plate drives the second bevel gear rotation of being connected with first bevel gear meshing through the first bevel gear on the connecting rod, and the second bevel gear drives the turbine of being connected with the worm meshing through the worm and rotates this moment, and the turbine passes through the dead lever on the lifter plate of lead screw drive this moment and reciprocates, and the dead lever drives handrail and seat and reciprocates simultaneously to drive the handrail and carry out altitude mixture control when adjusting seat height, the seat when making the handrail can adapt to arbitrary height.
Description
Technical Field
The utility model relates to the technical field of sofas, in particular to a sofa with adjustable sitting depth.
Background
In the use of traditional sofa, because the sitting depth of sofa can not be adjusted owing to the restriction of structure, the structural adjustability and the suitability of sofa are relatively poor, lead to being difficult to satisfy different user's user demand, influence the use comfort of sofa, consequently, we propose the sofa of sitting depth adjustable.
A sofa with adjustable sitting depth is disclosed in chinese issued patent application publication No. CN216763812U, but the structural design of the above prior art:
although the sitting depth of the sofa is adjusted by adjusting the height of the seat splicing plate, the height of the sofa frame cannot be adjusted along with the seat splicing plate, and when the position of the seat splicing plate is lower, the arms of a person on the sofa frame can be erected, so that the comfort is affected.
So we propose a sofa with adjustable sitting depth so as to solve the above mentioned problems.
It should be noted that the information disclosed in the background section of the present utility model is only for increasing the understanding of the general background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
(one) solving the technical problems
In view of the above-mentioned shortcomings of the prior art, the present utility model is directed to a sofa with adjustable sitting depth, so as to solve the above-mentioned problems.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the sofa with the adjustable sitting depth comprises a base, wherein handrails are slidably connected to two sides of the top of the base, a driving mechanism for driving the handrails to lift is arranged in the base, driven mechanisms are rotatably connected to two sides of the inner wall of the base, and lifting mechanisms for supporting the handrails are arranged on one sides, close to the driven mechanisms, of the two sides of the inner side of the base;
the driving mechanism comprises an adjusting plate and a connecting rod, the adjusting plate is arranged at the front side of the base, and a first bevel gear is arranged at the outer side of the middle part of the connecting rod;
the driven mechanism comprises a worm, and a second bevel gear is arranged outside one end of the worm;
the lifting mechanism comprises a turbine, a screw is installed in the middle of the turbine, and a lifting plate is connected to the outer side of the screw in a threaded mode.
Preferably, one end of the connecting rod penetrates through the base and extends to the outside, and an adjusting plate is installed at one end of the connecting rod.
Preferably, the top of the screw rod is rotationally connected with the inner top wall of the base, the bottom of the screw rod is provided with a supporting rod, and the bottom of the supporting rod is rotationally connected with the inner bottom wall of the base.
Preferably, a plurality of fixing rods are arranged at the top of the lifting plate, the top ends of the fixing rods penetrate through the base and are connected with the inner bottom wall of the armrest, and through holes matched with the fixing rods are formed in the top of the base.
Preferably, grooves are formed in two sides of the base, and one side of the handrail is arranged in the grooves.
Preferably, a seat plate is arranged at the bottom of the armrest, and a certain interval is arranged between the seat plate and the base.
Preferably, the first bevel gear is meshed with the second bevel gear, and the other end of the worm is rotatably connected with one side of the inner wall of the base.
(III) beneficial effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, during adjustment, the adjusting plate drives the second bevel gear in meshed connection with the first bevel gear to rotate through the first bevel gear on the connecting rod, at the moment, the second bevel gear drives the turbine in meshed connection with the worm to rotate through the worm, at the moment, the turbine drives the fixing rod on the lifting plate to move up and down through the lead screw, and meanwhile, the fixing rod drives the armrest and the seat plate to move up and down, so that the height of the seat plate is adjusted, and meanwhile, the armrest is driven to adjust the height, so that the armrest can be matched with the seat plate at any height, and the influence on comfort of a sofa is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a sofa with adjustable sitting depth according to the present utility model;
FIG. 2 is a schematic view of the overall cross-sectional structure of the sofa with adjustable sitting depth according to the present utility model;
FIG. 3 is a schematic view of the driving mechanism of the sofa with adjustable sitting depth according to the present utility model;
fig. 4 is an enlarged view of the sofa of fig. 4 a with adjustable sitting depth according to the present utility model.
In the figure: 1. a base; 2. a backup plate; 3. an armrest; 4. a seat plate; 5. a driving mechanism; 6. a driven mechanism; 7. a lifting mechanism; 51. an adjusting plate; 52. a connecting rod; 53. a first bevel gear; 61. a worm; 62. a second bevel gear; 71. a turbine; 72. a support rod; 73. a screw rod; 74. a lifting plate; 75. and a fixing rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a sofa with adjustable sitting depth; the lifting device comprises a base 1, wherein the base 1 is in a concave shape, a backup plate 2 is arranged on the rear side of the base 1, armrests 3 are slidably connected to the two sides of the top of the base 1, the armrests 3 are U-shaped, a driving mechanism 5 for driving the armrests 3 to lift is arranged in the base 1, driven mechanisms 6 are rotatably connected to the two sides of the inner wall of the base 1, and lifting mechanisms 7 for supporting the armrests 3 are arranged on one side, close to the driven mechanisms 6, of the two sides of the inner side of the base 1;
the driving mechanism 5 comprises a connecting rod 52, one end of the connecting rod 52 is rotationally connected with the backup plate 2, the adjusting plate 51 is arranged at the front side of the base 1, and a first bevel gear 53 is arranged at the outer side of the middle part of the connecting rod 52;
the driven mechanism 6 comprises a worm 61, a second bevel gear 62 is arranged on the outer side of one end of the worm 61, and the worm 61 can be driven to rotate through the matching arrangement among the adjusting plate 51, the connecting rod 52, the first bevel gear 53 and the second bevel gear 62;
the lifting mechanism 7 comprises a turbine 71, the worm 61 is connected with the turbine 71 in a meshed manner, a screw rod 73 is arranged in the middle of the turbine 71, and a lifting plate 74 is connected with the outer side of the screw rod 73 in a threaded manner.
As shown in fig. 1 to 3, preferably, one end of the connection rod 52 penetrates through the base 1 and extends to the outside, and one end of the connection rod 52 is mounted with an adjustment plate 51;
as shown in fig. 2-3, preferably, the top end of the screw rod 73 is rotatably connected with the inner top wall of the base 1, the bottom end of the screw rod 73 is provided with a supporting rod 72, and the bottom end of the supporting rod 72 is rotatably connected with the inner bottom wall of the base 1;
as shown in fig. 2-3, as preferable, the top of the lifting plate 74 is provided with a plurality of fixing rods 75, the top ends of the fixing rods 75 penetrate through the base 1 and are connected with the inner bottom wall of the armrest 3, and the top of the base 1 is provided with through holes matched with the fixing rods 75;
as shown in fig. 1-2, as a preferable mode, grooves are formed on two sides of the base 1, one side of the armrest 3 is arranged in the grooves, and the rear side of the armrest 3 is movably connected with the backup plate 2;
as shown in fig. 1-2, preferably, the bottom of the armrest 3 is provided with a seat plate 4, a certain distance is arranged between the seat plate 4 and the base 1, and the height of the seat plate 4 can be adjusted through the cooperation arrangement of the worm 61, the turbine 71, the support rod 72, the screw 73, the lifting plate 74 and the fixing rod 75, so that the sitting depth of the sofa can be adjusted;
as shown in fig. 2 to 3, the first bevel gear 53 is preferably engaged with the second bevel gear 62, and the other end of the worm 61 is rotatably connected to the inner wall side of the base 1.
It should be noted that, this embodiment is a sofa with adjustable sitting depth, when the sitting depth of the sofa needs to be adjusted, the adjusting plate 51 is rotated, at this time, the adjusting plate 51 drives the second bevel gear 62 connected with the first bevel gear 53 in a meshed manner through the first bevel gear 53 on the connecting rod 52 to rotate, at this time, the second bevel gear 62 drives the turbine 71 connected with the worm 61 in a meshed manner through the worm 61 to rotate, at this time, the turbine 71 drives the fixing rod 75 on the lifting plate 74 to move up and down through the screw 73, and meanwhile, the fixing rod 75 drives the armrest 3 and the seat 4 to move up and down, so that the height of the seat 4 is adjusted while the armrest 3 is driven to adjust the height of the seat 4, so that the armrest 3 can adapt to the seat 4 at any height, and the comfort of the sofa is prevented from being affected.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The sofa with the adjustable sitting depth comprises a base (1), and is characterized in that handrails (3) are slidably connected to two sides of the top of the base (1), a driving mechanism (5) for driving the handrails (3) to lift is arranged in the base (1), driven mechanisms (6) are rotatably connected to two sides of the inner wall of the base (1), and lifting mechanisms (7) for supporting the handrails (3) are arranged on one side, close to the driven mechanisms (6), of the two sides of the inner side of the base (1);
the driving mechanism (5) comprises an adjusting plate (51) and a connecting rod (52), the adjusting plate (51) is arranged at the front side of the base (1), and a first bevel gear (53) is arranged at the outer side of the middle part of the connecting rod (52);
the driven mechanism (6) comprises a worm (61), and a second bevel gear (62) is arranged outside one end of the worm (61);
the lifting mechanism (7) comprises a turbine (71), a screw rod (73) is mounted in the middle of the turbine (71), and a lifting plate (74) is connected to the outer side of the screw rod (73) in a threaded mode.
2. The sofa with adjustable sitting depth according to claim 1, characterized in that one end of the connecting rod (52) penetrates the base (1) and extends to the outside, and one end of the connecting rod (52) is provided with an adjusting plate (51).
3. The sofa with adjustable sitting depth according to claim 1, wherein the top end of the screw rod (73) is rotatably connected with the inner top wall of the base (1), the bottom end of the screw rod (73) is provided with a supporting rod (72), and the bottom end of the supporting rod (72) is rotatably connected with the inner bottom wall of the base (1).
4. The sofa with adjustable sitting depth according to claim 1, characterized in that the top of the lifting plate (74) is provided with a plurality of fixing rods (75), the top ends of the fixing rods (75) penetrate through the base (1) and are connected with the inner bottom wall of the armrest (3), and the top of the base (1) is provided with through holes matched with the fixing rods (75).
5. The sofa with adjustable sitting depth according to claim 1, characterized in that the two sides of the base (1) are provided with grooves, and one side of the armrest (3) is arranged in the grooves.
6. The sofa with adjustable sitting depth according to claim 1, characterized in that the bottom of the armrest (3) is provided with a sitting plate (4), and a certain distance is arranged between the sitting plate (4) and the base (1).
7. The sofa with adjustable sitting depth according to claim 1, characterized in that the first bevel gear (53) is engaged with the second bevel gear (62), and the other end of the worm (61) is rotatably connected with one side of the inner wall of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223057091.1U CN218922160U (en) | 2022-11-17 | 2022-11-17 | Sofa with adjustable sitting depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223057091.1U CN218922160U (en) | 2022-11-17 | 2022-11-17 | Sofa with adjustable sitting depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218922160U true CN218922160U (en) | 2023-04-28 |
Family
ID=86082910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223057091.1U Active CN218922160U (en) | 2022-11-17 | 2022-11-17 | Sofa with adjustable sitting depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218922160U (en) |
-
2022
- 2022-11-17 CN CN202223057091.1U patent/CN218922160U/en active Active
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