CN220631642U - Sofa with adjustable sitting depth - Google Patents

Sofa with adjustable sitting depth Download PDF

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Publication number
CN220631642U
CN220631642U CN202320421925.8U CN202320421925U CN220631642U CN 220631642 U CN220631642 U CN 220631642U CN 202320421925 U CN202320421925 U CN 202320421925U CN 220631642 U CN220631642 U CN 220631642U
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CN
China
Prior art keywords
fixedly connected
base
sofa
cushion
depth
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CN202320421925.8U
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Chinese (zh)
Inventor
罗曰培
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Huizhou Zhengyi Smart Home Co ltd
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Huizhou Zhengyi Smart Home Co ltd
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Priority to CN202320421925.8U priority Critical patent/CN220631642U/en
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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 a cushion is arranged above the base, an adjusting mechanism is arranged inside the base, an auxiliary mechanism is arranged above the base, and the adjusting mechanism comprises a power part; the power part comprises a motor, a double-head screw rod and two trapezoid blocks. According to the sofa with the adjustable sitting depth, the anti-slip pad, the double-head screw rod, the triangular blocks, the trapezoidal blocks and the motor are arranged, the two trapezoidal blocks are mutually close by controlling the motor to rotate, the triangular blocks are lifted by extruding the outer surface of the bottom end of the triangular block, when a person sits on the cushion, the double-head screw rod is slightly deformed by gravity, the bottom surface of the trapezoidal blocks is in extrusion contact with the upper end surface of the anti-slip pad, and the device is locked; through setting up handrail, T type slider, installation section of thick bamboo, cardboard and stand, when the cushion rises, drive the cardboard and upwards move, make the high change along with the change of cushion height of handrail, improve the travelling comfort of sofa.

Description

Sofa with adjustable sitting depth
Technical Field
The utility model relates to the technical field of sofas, in particular to a sofa with adjustable sitting depth.
Background
Sofa is a furniture necessary for many families, and the sofa sold on the market generally comprises three types of low-back sofa, high-back sofa and common sofa between the two, but the back cushion of the common sofa can not be adjusted at will, so that the requirements of different users can not be met.
Chinese patent discloses a sofa of adjustable sitting degree, publication No. CN210870623U, including sofa handrail, the bottom inboard of sofa handrail is equipped with the bearing, the inboard of bearing is equipped with the lead screw, the outside of lead screw rotates and connects the movable block, the inboard symmetry of bottom of sofa handrail is equipped with the guide post, the top of guide post is equipped with the fixed plate, the top side of board is equipped with the motor, the output of motor passes the through-hole and rotates and connect the lead screw, one side of sofa handrail is equipped with the spacing groove, the spacing inslot side is equipped with the spacing post, one side of spacing post is connected the bottom plate, the top side of bottom plate is equipped with the sofa pad, one side of sofa handrail rotates and connects the sofa back, one side of sofa back is equipped with the neck massager, the top side of sofa handrail is equipped with the drinking cup groove, the top side of sofa handrail is equipped with control switch, this sofa of adjustable sitting degree increases user experience effect, sitting degree can be adjusted according to user's demand, increase use comfort.
But still include the following disadvantages: when a person sits on the sofa cushion, the mass is transferred to the bottom plate, the limiting column and the moving block, and finally, the mass is concentrated on the screw rod, and the screw threads on the screw rod are subjected to larger force for a long time, so that the service life of the device is reduced. To this end, we propose a sofa with adjustable sitting depth to solve this problem.
Disclosure of Invention
The utility model aims to provide a sofa with adjustable sitting depth, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the sofa with the adjustable sitting depth comprises a base, a cushion is arranged above the base, an adjusting mechanism is arranged inside the base, an auxiliary mechanism is arranged above the base, and the adjusting mechanism comprises a power part;
the power part comprises a motor, a double-head screw rod and two trapezoidal blocks, the rear end face of the motor is fixedly connected with the inner wall of the rear end of the base, the front face of an output shaft of the motor is fixedly connected with the back face of the double-head screw rod, and the two trapezoidal blocks are sleeved on the outer surface of the double-head screw rod in a threaded manner;
a buffer part is arranged above the trapezoid block;
the buffer part comprises a floating plate, a sliding rod and a second spring, wherein the bottom surface of the floating plate is fixedly connected with the upper end surface of the sliding rod, the second spring is sleeved outside the sliding rod, and the upper end of the second spring is fixedly connected with the bottom surface of the floating plate.
The triangular block is arranged inside the base, the left side surface and the right side surface of the triangular block are respectively in extrusion contact with the outer surfaces of the two trapezoidal blocks, the upper end surface of the triangular block is fixedly connected with a flat plate, the triangular block is arranged, the two trapezoidal blocks are mutually close through controlling the motor to rotate, and the triangular block is lifted through extrusion of the outer surfaces of the bottom ends of the triangular block.
The further improvement lies in, the sliding rod bottom surface slides and runs through dull and stereotyped up end and extend to dull and stereotyped below, dull and stereotyped up end and second spring bottom fixed connection, sliding rod bottom surface fixedly connected with dog through setting up the second spring, makes the floating plate float from top to bottom, improves the travelling comfort of sofa.
The anti-skid device is characterized in that the inner wall of the bottom end of the base is provided with a groove, the inner wall of the groove is fixedly connected with the outer surface of the anti-skid pad, the upper end surface of the anti-skid pad is flush with the inner wall of the bottom end of the base, the bottom surface of the trapezoid block is slidably connected with the upper end surface of the anti-skid pad, and the device is locked by arranging the anti-skid pad.
The further improvement lies in, the first magic subsides of floating plate up end fixedly connected with, cushion bottom surface fixedly connected with second magic is pasted, and first magic is pasted son face and is pasted the female face bonding with the second magic, base up end fixedly connected with support, the first spring of support inner wall fixedly connected with, support surface cover is equipped with the cushion, improves the travelling comfort of sofa.
The auxiliary mechanism comprises a stand column, an installation cylinder is sleeved on the outer surface of the upper end of the stand column in a sliding mode, an armrest is arranged above the installation cylinder, a T-shaped sliding groove is formed in the bottom surface of the armrest, a T-shaped sliding block is slidably connected to the inner wall of the T-shaped sliding groove, the bottom surface of the T-shaped sliding block is fixedly connected with the upper end face of the installation cylinder, and the front position and the rear position of the armrest are convenient to control through the T-shaped sliding block.
The improvement lies in, stand surface slip cap is equipped with the cardboard, cardboard up end and mounting cylinder bottom surface fixed connection, cardboard left end surface extends to between floating plate and the cushion and with floating plate up end fixed connection, makes the high change along with the change of cushion height of handrail, improves the travelling comfort of sofa.
Compared with the prior art, the utility model has the beneficial effects that: according to the sofa with the adjustable sitting depth, the anti-slip pad, the double-head screw rod, the triangular blocks, the trapezoidal blocks and the motor are arranged, the two trapezoidal blocks are mutually close by controlling the motor to rotate, the triangular blocks are lifted by extruding the outer surface of the bottom end of the triangular block, when a person sits on the cushion, the double-head screw rod is slightly deformed by gravity, the bottom surface of the trapezoidal blocks is in extrusion contact with the upper end surface of the anti-slip pad, and the device is locked; through setting up handrail, T type slider, installation section of thick bamboo, cardboard and stand, when the cushion rises, drive the cardboard and upwards move, make the high change along with the change of cushion height of handrail, improve the travelling comfort of sofa.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a skeleton structure of the present utility model;
FIG. 3 is a perspective cross-sectional view of the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 3 at A;
fig. 5 is a perspective sectional view of the auxiliary mechanism of the present utility model.
In the figure: 1 base, 2 cushion, 3 cushion, 4 auxiliary mechanism, 401 handrail, 402T slider, 403 installation section of thick bamboo, 406 cardboard, 407 stand, 5 adjustment mechanism, 51 buffer portion, 52 power portion, 511 floating plate, 512 slide bar, 513 dull and stereotyped, 514 dog, 515 second spring, 521 slipmat, 522 double-end screw rod, 523 triangular block, 524 trapezoidal block, 525 motor 6 support, 7 first spring.
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. 1-5, the present utility model provides a technical solution: the sofa with adjustable sitting depth comprises a base 1, a seat cushion 2 is arranged above the base 1, an adjusting mechanism 5 is arranged inside the base 1, an auxiliary mechanism 4 is arranged above the base 1, and the adjusting mechanism 5 comprises a power part 52;
the power part 52 comprises a motor 525, a double-end screw 522 and two trapezoidal blocks 524, wherein the rear end surface of the motor 525 is fixedly connected with the inner wall of the rear end of the base 1, the front surface of an output shaft of the motor 525 is fixedly connected with the back surface of the double-end screw 522, the two trapezoidal blocks 524 are sleeved on the outer surface of the double-end screw 522 in a threaded manner, the inner wall of the bottom end of the base 1 is provided with a groove, the inner wall of the groove is fixedly connected with the outer surface of the anti-skid pad 521, the upper end surface of the anti-skid pad 521 is flush with the inner wall of the bottom end of the base 1, the bottom surface of the trapezoidal block 524 is slidably connected with the upper end surface of the anti-skid pad 521, the two trapezoidal blocks 524 are mutually close by controlling the rotation of the motor 525, the triangular blocks 523 are lifted by extruding the outer surface of the bottom end of the triangular blocks 523, and when a person sits on the cushion 2, gravity slightly deforms the double-end screw 522, so that the bottom surface of the trapezoidal blocks 524 is in extrusion contact with the upper end surface of the anti-skid pad 521, and the device is locked;
a buffer 51 is provided above the trapezoid block 524;
the buffer portion 51 includes a floating plate 511, a slide bar 512 and a second spring 515,
the upper end face of the floating plate 511 is fixedly connected with a first magic tape, the bottom face of the cushion 2 is fixedly connected with a second magic tape, the first magic tape sub-face is adhered to the second magic tape mother face, the upper end face of the base 1 is fixedly connected with a support 6, the inner wall of the support 6 is fixedly connected with a first spring 7, the outer surface of the support 6 is sleeved with a back cushion 3, the bottom face of the floating plate 511 is fixedly connected with the upper end face of the sliding rod 512, a second spring 515 is sleeved outside the sliding rod 512, the upper end of the second spring 515 is fixedly connected with the bottom face of the floating plate 511, triangular blocks 523 are arranged in the base 1, the left side face and the right side face of each triangular block 523 are respectively in extrusion contact with the outer surfaces of two trapezoidal blocks 524, the upper end face of each triangular block 523 is fixedly connected with a flat plate 513, the outer surface of the bottom end of the sliding rod 512 penetrates through the upper end face of the flat plate 513 and extends to the lower side of the flat plate 513, the upper end face of the flat plate 513 is fixedly connected with the bottom end of the second spring 515, and the bottom face of the sliding rod 512 is fixedly connected with a stop block 514;
the auxiliary mechanism 4 comprises a stand column 407, a mounting cylinder 403 is arranged on the outer surface sliding sleeve at the upper end of the stand column 407, a handrail 401 is arranged above the mounting cylinder 403, a T-shaped sliding groove is formed in the bottom surface of the handrail 401, a T-shaped sliding block 402 is slidably connected to the inner wall of the T-shaped sliding groove, the bottom surface of the T-shaped sliding block 402 is fixedly connected with the upper end surface of the mounting cylinder 403, a clamping plate 406 is arranged on the outer surface sliding sleeve of the stand column 407, the upper end surface of the clamping plate 406 is fixedly connected with the bottom surface of the mounting cylinder 403, the left end outer surface of the clamping plate 406 extends between the floating plate 511 and the cushion 2 and is fixedly connected with the upper end surface of the floating plate 511, and the clamping plate 406 is driven to move upwards when the cushion 2 ascends so that the height of the handrail 401 is changed along with the change of the height of the cushion 2, and the comfort of the sofa is improved.
When the seat cushion is used, the motor 525 is started, the output shaft of the motor 525 drives the double-headed screw 522 to rotate, the two trapezoidal blocks 524 are driven to be close to each other, the triangular block 523 rises, the triangular block 523 drives the flat plate 513 to rise, meanwhile, the sliding rod 512 and the floating plate 511 rise along with the rising, the seat cushion 2 rises, and the floating plate 511 drives the mounting cylinder 403 to rise, so that the armrest 401 rises; when a person sits on the seat cushion 2, the seat cushion 2 descends, the seat cushion 2 drives the floating plate 511 to descend, the sliding rod 512 moves downwards, meanwhile, the second spring 515 shortens, the flat plate 513 receives downward force, the force is sequentially transmitted to the triangular block 523, the trapezoidal block 524 and the double-headed screw 522, the force can slightly deform the double-headed screw 522, the bottom surface of the trapezoidal block 524 is in extrusion contact with the upper end surface of the anti-skid pad 521, and the device is locked.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Sofa with adjustable sitting depth, comprising a base (1), characterized in that: a seat cushion (2) is arranged above the base (1), an adjusting mechanism (5) is arranged inside the base (1), an auxiliary mechanism (4) is arranged above the base (1), and the adjusting mechanism (5) comprises a power part (52);
the power part (52) comprises an anti-skid pad (521), a motor (525), a double-end screw (522) and two trapezoidal blocks (524), wherein the rear end surface of the motor (525) is fixedly connected with the inner wall of the rear end of the base (1), the front surface of an output shaft of the motor (525) is fixedly connected with the back surface of the double-end screw (522), and the two trapezoidal blocks (524) are sleeved on the outer surface of the double-end screw (522) in a threaded manner;
a buffer part (51) is arranged above the trapezoid block (524);
the buffer part (51) comprises a floating plate (511), a sliding rod (512) and a second spring (515), wherein the bottom surface of the floating plate (511) is fixedly connected with the upper end surface of the sliding rod (512), the second spring (515) is sleeved outside the sliding rod (512), and the upper end of the second spring (515) is fixedly connected with the bottom surface of the floating plate (511).
2. The sitting-depth-adjustable sofa of claim 1, wherein: triangular blocks (523) are arranged in the base (1), the left side surface and the right side surface of each triangular block (523) are respectively in extrusion contact with the outer surfaces of two trapezoidal blocks (524), and the upper end face of each triangular block (523) is fixedly connected with a flat plate (513).
3. The sitting-depth-adjustable sofa of claim 1, wherein: the outer surface of the bottom end of the sliding rod (512) penetrates through the upper end face of the flat plate (513) in a sliding mode and extends to the lower portion of the flat plate (513), the upper end face of the flat plate (513) is fixedly connected with the bottom end of the second spring (515), and a stop block (514) is fixedly connected to the bottom face of the sliding rod (512).
4. The sitting-depth-adjustable sofa of claim 1, wherein: the anti-skid device is characterized in that the inner wall of the bottom end of the base (1) is provided with a groove, the inner wall of the groove is fixedly connected with the outer surface of the anti-skid pad (521), the upper end surface of the anti-skid pad (521) is flush with the inner wall of the bottom end of the base (1), and the bottom surface of the trapezoid block (524) is slidably connected with the upper end surface of the anti-skid pad (521).
5. The sitting-depth-adjustable sofa of claim 1, wherein: the utility model discloses a cushion, including base (1), cushion (2), floating plate (511) up end fixedly connected with is pasted to first magic, cushion (2) bottom surface fixedly connected with second magic is pasted, and first magic is pasted son face and is pasted mother's face with the second magic and bond, base (1) up end fixedly connected with support (6), support (6) inner wall fixedly connected with first spring (7), support (6) surface cover is equipped with cushion (3).
6. The sitting-depth-adjustable sofa of claim 1, wherein: the auxiliary mechanism (4) comprises a stand column (407), an installation cylinder (403) is sleeved on the outer surface of the upper end of the stand column (407) in a sliding mode, an armrest (401) is arranged above the installation cylinder (403), a T-shaped sliding groove is formed in the bottom surface of the armrest (401), a T-shaped sliding block (402) is slidably connected to the inner wall of the T-shaped sliding groove, and the bottom surface of the T-shaped sliding block (402) is fixedly connected with the upper end surface of the installation cylinder (403).
7. The sitting-depth-adjustable sofa of claim 6, wherein: the outer surface sliding sleeve of the upright post (407) is provided with a clamping plate (406), the upper end surface of the clamping plate (406) is fixedly connected with the bottom surface of the mounting cylinder (403), and the outer surface of the left end of the clamping plate (406) extends between the floating plate (511) and the cushion (2) and is fixedly connected with the upper end surface of the floating plate (511).
CN202320421925.8U 2023-03-07 2023-03-07 Sofa with adjustable sitting depth Active CN220631642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320421925.8U CN220631642U (en) 2023-03-07 2023-03-07 Sofa with adjustable sitting depth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320421925.8U CN220631642U (en) 2023-03-07 2023-03-07 Sofa with adjustable sitting depth

Publications (1)

Publication Number Publication Date
CN220631642U true CN220631642U (en) 2024-03-22

Family

ID=90270047

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320421925.8U Active CN220631642U (en) 2023-03-07 2023-03-07 Sofa with adjustable sitting depth

Country Status (1)

Country Link
CN (1) CN220631642U (en)

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