CN216220879U

CN216220879U - Rapid flattening type sofa

Info

Publication number: CN216220879U
Application number: CN202122230226.9U
Authority: CN
Inventors: 陆晓飞
Original assignee: Angie Wan Pony Furniture Ltd
Current assignee: Angie Wan Pony Furniture Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-08
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a quick flattening sofa, which relates to the field of sofas and comprises the following components: a base; the backrest is rotatably connected to the top end of the base; the support mechanism is arranged in the backrest and supports the backrest in a horizontal state; and the lifting mechanism is arranged in the base and used for lifting the base. According to the sofa bottom cleaning device, the lifting mechanism is arranged, when the sofa bottom is cleaned, the rotating disc is rotated, the rotating disc rotates to drive the displacement screw rod to rotate, the displacement screw rod rotates to drive the displacement plate to displace downwards, the displacement plate displaces to drive the support leg to displace downwards, the support leg displaces to drive the base to ascend, the clamping block is attached to the ratchet of the rotating disc under the elastic action of the torsional spring after the clamping block is completed, the rotating disc is fixed, the sofa bottom is cleaned conveniently, the clamping block is separated from the ratchet after the clamping block is completed, the rotating disc drives the base to reset, the sofa bottom is cleaned conveniently, and the sofa does not need to be moved to displace.

Description

Rapid flattening type sofa

Technical Field

The utility model relates to the field of sofas, in particular to a quick-flattening sofa.

Background

The sofa is a multi-seat chair with soft cushion, a backrest chair with spring or thick foam plastics, etc., and armrests are arranged on two sides, which is one of soft furniture, and the sofa is already necessary furniture for many families. The sofa sold in the market generally comprises three types of sofas, namely a low-back sofa, a high-back sofa and a common sofa between the low-back sofa and the high-back sofa, the existing sofa has the function of rotating a backrest, and the backrest can be freely rotated and fixed, so that the sofa is convenient for people to use.

However, at present in the use to the sofa, after the sofa back was shakeout completely, if the power that back department received was too big, make the sofa topple over easily, cause danger to the user, need have the structure to support sofa back department, prevent to topple over, when clearing up the sofa bottom, need remove the sofa open and clear up simultaneously, increased work load, need have the structure convenience to clear up the sofa bottom.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems that the sofa backrest needs to be supported by a structure and the bottom of the sofa needs to be cleaned by the structure conveniently, the sofa with the rapid flattening type is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a quick-flattening sofa, comprising:

a base;

the backrest is rotatably connected to the top end of the base;

the support mechanism is arranged in the backrest and supports the backrest in a horizontal state;

and the lifting mechanism is arranged in the base and used for lifting the base.

As a still further scheme of the utility model: the supporting mechanism comprises a fixed shaft and a supporting plate, the fixed shaft is fixedly connected to the top end of the base, the supporting plate is rotatably connected to the foreign currency of the backrest, one end of the supporting plate is fixedly connected with a fixed gear, the outer wall of the fixed shaft is fixedly connected with a first gear, the outer wall of the first gear is connected with a second gear, one end of the second gear is fixedly connected with a movable lead screw, the outer wall of the movable lead screw is connected with a movable frame, and the outer wall of the movable frame is in contact with the outer wall of the fixed gear.

As a still further scheme of the utility model: elevating system includes landing leg and rolling disc, landing leg sliding connection is in the bottom of base, the rolling disc rotates to be connected in base one side outer wall, one side of rolling disc is located the outer wall rotation of base and is connected with the fixture block, the outer wall connection of fixture block has the torsional spring, the one end of torsional spring is connected with the base, the one end fixedly connected with spliced pole of rolling disc, the one end fixedly connected with third gear of spliced pole, the outer wall connection of third gear has the fourth gear, the bottom fixedly connected with displacement lead screw of fourth gear, the outer wall connection of displacement lead screw has the displacement board, the bottom of displacement board and the top fixed connection of landing leg.

As a still further scheme of the utility model: the teeth of a cogwheel of first gear and the tooth's socket phase meshing of second gear, the inner wall of adjustable shelf is provided with the internal thread, the external screw thread of activity lead screw is laminated with the internal thread of adjustable shelf mutually.

As a still further scheme of the utility model: the supporting plate is connected with the backrest through a rotating shaft, a tooth groove is formed in the outer wall of the movable frame, and the gear teeth of the fixed gear are meshed with the tooth groove of the movable frame.

As a still further scheme of the utility model: the fixture block is connected with the base through a rotating shaft, ratchets are arranged on the outer wall of the rotating disc, and the ratchets are in contact with the fixture block.

As a still further scheme of the utility model: the teeth of a cogwheel of third gear and the tooth's socket phase meshing of fourth gear, the inner wall of displacement board is provided with the internal thread, the external screw thread of displacement lead screw and the internal thread of displacement board are laminated mutually.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the supporting mechanism, when the backrest rotates, the backrest and the fixed shaft rotate relatively, the fixed shaft rotates to drive the first gear to rotate, the first gear rotates to drive the second gear to rotate, the second gear rotates to drive the movable lead screw to rotate, the movable lead screw rotates to drive the movable frame to displace, the movable frame displaces to drive the fixed gear to rotate, the fixed gear rotates to drive the supporting plate to rotate, and when the backrest rotates to a horizontal position, the supporting plate is in contact with the ground to support the backrest and prevent the sofa from toppling over;

2. through setting up elevating system, when clearing up the sofa bottom, rotate the rolling disc, the rolling disc rotates and drives the displacement lead screw and rotate, the displacement lead screw rotates and drives the displacement board and carry out the displacement downwards, the displacement board displacement drives the landing leg and carries out the displacement downwards, thereby the landing leg displacement drives the base and rises, the fixture block receives the ratchet laminating of torsional spring elastic action and rolling disc after the completion, fix the rolling disc, thereby the convenience is cleared up the sofa bottom, rotate fixture block and ratchet separation after the completion, it resets to rotate the rolling disc and drive the base, be convenient for clear up the sofa bottom, need not move the sofa and carry out the displacement.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back rest of the present invention installed;

FIG. 3 is a cross-sectional view of the back of the present invention;

fig. 4 is a schematic view of the installation of the lifting mechanism of the present invention.

In the figure: 1. a base; 2. a backrest; 3. a support mechanism; 301. a fixed shaft; 302. a support plate; 303. fixing a gear; 304. a first gear; 305. a second gear; 306. a movable screw rod; 307. a movable frame; 4. a lifting mechanism; 401. a support leg; 402. rotating the disc; 403. a clamping block; 404. connecting columns; 405. a third gear; 406. a fourth gear; 407. a displacement plate; 408. a torsion spring; 409. and (5) displacing the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 4, in an embodiment of the present invention, a quick-flattening sofa includes:

a base 1;

the backrest 2 is rotatably connected to the top end of the base 1;

a support mechanism 3 provided inside the backrest 2 and supporting the backrest 2 in a horizontal state;

and an elevating mechanism 4 provided inside the base 1 to elevate the base 1.

Referring to fig. 1-3, the supporting mechanism 3 includes a fixed shaft 301 and a supporting plate 302, the fixed shaft 301 is fixedly connected to the top end of the base 1, the supporting plate 302 is rotatably connected to the outer coil of the backrest 2, one end of the supporting plate 302 is fixedly connected to a fixed gear 303, the outer wall of the fixed shaft 301 is fixedly connected to a first gear 304, the outer wall of the first gear 304 is connected to a second gear 305, one end of the second gear 305 is fixedly connected to a movable screw 306, the outer wall of the movable screw 306 is connected to a movable frame 307, and the outer wall of the movable frame 307 is in contact with the outer wall of the fixed gear 303, so as to support the backrest 2 in a horizontal state.

Please refer to fig. 2 and fig. 4, the lifting mechanism 4 includes a leg 401 and a rotating disc 402, the leg 401 is slidably connected to the bottom end of the base 1, the rotating disc 402 is rotatably connected to the outer wall of one side of the base 1, one side of the rotating disc 402 is located on the outer wall of the base 1 and is rotatably connected to a clamping block 403, the outer wall of the clamping block 403 is connected to a torsion spring 408, one end of the torsion spring 408 is connected to the base 1, one end of the rotating disc 402 is fixedly connected to a connecting column 404, one end of the connecting column 404 is fixedly connected to a third gear 405, the outer wall of the third gear 405 is connected to a fourth gear 406, the bottom end of the fourth gear 406 is fixedly connected to a displacement screw rod 409, the outer wall of the displacement screw rod 409 is connected to a displacement plate 407, the bottom end of the displacement plate 407 is fixedly connected to the top end of the leg 401, and the base 1 is conveniently lifted.

Please refer to fig. 1-3, the teeth of the first gear 304 are engaged with the teeth grooves of the second gear 305, so that the first gear 304 rotates to drive the second gear 305 to rotate, the inner wall of the movable frame 307 is provided with internal threads, the external threads of the movable lead screw 306 are attached to the internal threads of the movable frame 307, and the movable lead screw 306 rotates to drive the movable frame 307 to displace.

Please refer to fig. 1-3, the supporting plate 302 is connected to the backrest 2 via a rotating shaft, a tooth space is disposed on an outer wall of the movable frame 307, a tooth of the fixed gear 303 is engaged with the tooth space of the movable frame 307, so that the movable frame 307 is displaced to drive the fixed gear 303 to rotate, and the fixed gear 303 rotates to drive the supporting plate 302 to rotate.

Please refer to fig. 2 and 4, the latch 403 is connected to the base 1 through a rotating shaft, and the outer wall of the rotating disc 402 is provided with a ratchet contacting the latch 403, so that the latch 403 is attached to the ratchet to fix the rotating disc 402.

Please refer to fig. 2 and fig. 4, the teeth of the third gear 405 are engaged with the teeth grooves of the fourth gear 406, so that the third gear 405 rotates to drive the fourth gear 406 to rotate, the inner wall of the displacement plate 407 is provided with internal threads, the external threads of the displacement screw rod 409 are attached to the internal threads of the displacement plate 407, and the displacement screw rod 409 rotates to drive the displacement plate 407 to displace.

The working principle of the utility model is as follows: firstly, when the backrest 2 rotates, the backrest 2 and the fixed shaft 301 rotate relatively, the fixed shaft 301 rotates to drive the first gear 304 to rotate, the first gear 304 rotates to drive the second gear 305 to rotate, the second gear 305 rotates to drive the movable screw 306 to rotate, the movable screw 306 rotates to drive the movable frame 307 to displace, the movable frame 307 displaces to drive the fixed gear 303 to rotate, the fixed gear 303 rotates to drive the supporting plate 302 to rotate, when the backrest 2 rotates to a horizontal position, the supporting plate 302 contacts with the ground to support the backrest 2 to prevent the sofa from toppling over, when the bottom of the sofa is cleaned, the rotating disc 402 rotates to drive the connecting column 404 to rotate, the connecting column 404 rotates to drive the third gear 405 to rotate, the third gear 405 rotates to drive the fourth gear 406 to rotate, the fourth gear 406 rotates to drive the displacement screw 409 to rotate, displacement lead screw 409 rotates and drives displacement plate 407 and carry out the displacement downwards, displacement plate 407 displacement drives landing leg 401 and carries out the displacement downwards, thereby landing leg 401 displacement drives base 1 and rises, the completion back fixture block 403 receives the ratchet laminating of torsional spring 408 elastic action and rolling disc 402, fix rolling disc 402, thereby conveniently clear up the sofa bottom, rotation fixture block 403 and the separation of ratchet after the completion, it drives base 1 and resets to rotate rolling disc 402, be convenient for clear up the sofa bottom, the sofa need not be moved and the displacement is carried out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A quick-flattening sofa, comprising:

a base (1);

the backrest (2) is rotatably connected to the top end of the base (1);

the support mechanism (3) is arranged in the backrest (2) and supports the backrest (2) in a horizontal state;

and the lifting mechanism (4) is arranged in the base (1) and is used for lifting the base (1).

2. The sofa according to claim 1, wherein the supporting mechanism (3) comprises a fixed shaft (301) and a supporting plate (302), the fixed shaft (301) is fixedly connected to the top end of the base (1), the supporting plate (302) is rotatably connected to the coin of the backrest (2), one end of the supporting plate (302) is fixedly connected with a fixed gear (303), the outer wall of the fixed shaft (301) is fixedly connected with a first gear (304), the outer wall of the first gear (304) is connected with a second gear (305), one end of the second gear (305) is fixedly connected with a movable lead screw (306), the outer wall of the movable lead screw (306) is connected with a movable frame (307), and the outer wall of the movable frame (307) is in contact with the outer wall of the fixed gear (303).

3. The sofa according to claim 1, wherein the lifting mechanism (4) comprises a leg (401) and a rotating disc (402), the leg (401) is slidably connected to the bottom end of the base (1), the rotating disc (402) is rotatably connected to the outer wall of one side of the base (1), one side of the rotating disc (402) is rotatably connected to the outer wall of the base (1) and is provided with a fixture block (403), the outer wall of the fixture block (403) is connected with a torsion spring (408), one end of the torsion spring (408) is connected to the base (1), one end of the rotating disc (402) is fixedly connected with a connecting column (404), one end of the connecting column (404) is fixedly connected with a third gear (405), the outer wall of the third gear (405) is connected with a fourth gear (406), and the bottom end of the fourth gear (406) is fixedly connected with a displacement screw rod (409), the outer wall of the displacement screw rod (409) is connected with a displacement plate (407), and the bottom end of the displacement plate (407) is fixedly connected with the top end of the supporting leg (401).

4. The sofa according to claim 2, wherein the teeth of the first gear (304) are engaged with the teeth grooves of the second gear (305), the inner wall of the movable frame (307) is provided with internal threads, and the external threads of the movable screw rod (306) are engaged with the internal threads of the movable frame (307).

5. The sofa according to claim 2, wherein the supporting plate (302) is connected to the backrest (2) by a rotating shaft, the outer wall of the movable frame (307) is provided with tooth grooves, and the teeth of the fixed gear (303) are engaged with the tooth grooves of the movable frame (307).

6. The sofa according to claim 3, wherein the latch (403) is connected to the base (1) via a rotating shaft, and the outer wall of the rotating disc (402) is provided with ratchets, and the ratchets are in contact with the latch (403).

7. A sofa according to claim 3, characterised in that the teeth of the third gear (405) mesh with the teeth of the fourth gear (406), the inner wall of the displacement plate (407) is provided with internal threads, and the external threads of the displacement screw (409) engage with the internal threads of the displacement plate (407).