CN222340876U - Switching mechanism for sitting and lying states - Google Patents

Abstract

The utility model discloses a mechanism for switching between sitting and lying states, wherein a lying plate is arranged at the rear end of a seat plate, support legs are arranged on both sides of the bottom end of the seat plate, and the bottom end of the seat plate is fixedly connected to the top ends of the support legs, a switching mechanism is arranged between the seat plate and the lying plate, and the switching mechanism comprises a base, the base is arranged at a position close to the lower position of the rear end of the support legs, and the front end of the base is fixedly connected to the rear end of the support legs, the rear end of the base is fixedly connected to the rear end of a support rod, the inner rear end of the support rod is fixedly connected to the front end of a motor, and the rear end of the motor is fixedly connected to the front end of a threaded rod; the switching mechanism can be adjusted according to the user's sitting and lying needs when in use, thereby improving the user's comfort.

Description

Switching mechanism for sitting and lying states

Technical Field

The utility model relates to the technical field of seats, in particular to a sitting and lying state switching mechanism.

Background

The existing seat specifically can refer to a seat with the application number of CN202220136083.7, and comprises a bracket and a seat plate arranged on the bracket, wherein the bracket is connected with the seat plate through a connecting piece, the connecting piece comprises a first connecting block and a second connecting block, the bracket is connected with the first connecting block, the seat plate is connected with the second connecting block, and the first connecting block and the second connecting block can be rotatably connected so that the front end and the rear end of the seat plate can swing up and down relative to the bracket. Thus, the seat board can swing up and down relative to the bracket by taking the connecting piece as a fulcrum. When the user adopts a forward leaning sitting posture, the front end of the seat plate swings downwards under the compression of the body of the user, and at the moment, the compression of the inner side of thighs of the user can be reduced by the front end of the seat plate. When the user adopts a backward leaning sitting posture, the rear end of the seat board swings downwards under the compression of the body of the user, and at the moment, the seat board can support the inner sides of thighs of the user more. Therefore, the inclination of the seat board can adapt to different sitting postures of users, and the comfort level of the user using the seat is improved.

The existing seat is not provided with a component which can be used for conveniently adjusting the sitting and lying state, so that the adjustment cannot be performed according to the sitting and lying requirements of a user when the seat is used, the limitation is larger when the seat is used, and the requirements of customers cannot be met.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide a sitting and lying state switching mechanism so as to achieve the purposes of high sensitivity and better information acquisition degree.

The sitting and lying state switching mechanism comprises a lying plate arranged at the rear end of the sitting plate, supporting legs are arranged on two sides of the bottom end of the sitting plate, the bottom end of the sitting plate is fixedly connected with the top ends of the supporting legs, and the switching mechanism is arranged between the sitting plate and the lying plate.

Preferably, the switching mechanism comprises a base, the base sets up and is close to below position department at the supporting leg rear end, and base front end and supporting leg rear end fixed connection, base rear end and bracing piece rear end fixed connection, inside rear end of bracing piece and motor front end fixed connection, motor rear end and threaded rod front end fixed connection, the threaded rod rear end is inserted and is established inside first fixed block, and threaded rod and first fixed block rotate to be connected, first fixed block rear end and the inside front end fixed connection of motor.

Preferably, the threaded rod surfaces of two sides of the bottom end of the lying plate are sleeved with moving blocks, the threaded rods are in threaded connection with the moving blocks, and the threaded rods are in sliding connection with the temporal parts of the support rods.

Preferably, the movable block top is fixedly connected with the second fixed block bottom, the second fixed block inner wall is fixedly connected with the two ends of the first fixed rod, the bottom of the rotating rod is sleeved on the outer side of the first fixed rod, and the first fixed rod is rotationally connected with the rotating rod.

Preferably, the top of the rotating rod is sleeved on the surface of the second fixing rod, the rotating rod is rotationally connected with the second fixing rod, two ends of the second fixing rod are fixedly connected with the inner wall of the third fixing block, and the top of the third fixing block is fixedly connected with the bottom of the supporting leg.

Preferably, the front end of the lying plate is fixedly connected with the rear end of the fourth fixing block, the inner wall of the fourth fixing block is fixedly connected with the two ends of the third fixing rod, the rear end of the seat plate is sleeved on the surface of the third fixing rod, and the seat plate is rotationally connected with the third fixing rod.

Preferably, the two sides of the bottom end of the seat plate are provided with fifth fixing blocks, the bottom end of the seat plate is fixedly connected with the top end of each fifth fixing block, each fifth fixing block is sleeved on the outer side of the corresponding movable rod, and each fifth fixing block is in sliding connection with the corresponding movable rod.

Preferably, the front end of the moving rod is fixedly connected with the rear end of the foot support, and the rear end of the moving rod is fixedly connected with the front end of the limiting block.

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

1. The seat is not provided with the subassembly that can adjust the state of lying of sitting, can adjust according to user's the demand of lying of sitting when using, has improved user's comfort level.

2. The support of the seat is improved, the seat can be effectively supported when the lying state is switched, the situation that the user collapses when lying is prevented, and the stability is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic partial cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2C according to the present utility model;

In the figure, 1, a seat plate, 2, a lying plate, 3, a supporting leg, 10, a supporting rod, 11, a base, 12, a motor, 13, a threaded rod, 14, a first fixing block, 15, a second fixing block, 16, a first fixing rod, 17, a rotating rod, 18, a second fixing rod, 19, a third fixing block, 20, a fourth fixing block, 21, a third fixing rod, 22, a fifth fixing block, 23, a moving rod, 24, a foot rest, 25, a limiting block, 26 and a moving block.

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, 2, 3, 4 and 5, the present utility model provides a technical solution: the switching mechanism comprises a base 11, the base 11 is arranged at the position close to the lower position of the rear end of the supporting leg 3, the front end of the base 11 is fixedly connected with the rear end of the supporting leg 3, the rear end of the base 11 is fixedly connected with the rear end of a supporting rod 10, the rear end of the inside of the supporting rod 10 is fixedly connected with the front end of a motor 12, the rear end of the motor 12 is fixedly connected with the front end of a threaded rod 13, the rear end of the threaded rod 13 is inserted into a first fixed block 14, the threaded rod 13 is rotationally connected with the first fixed block 14, the rear end of the first fixed block 14 is fixedly connected with the front end of the inside of the motor 12, the surface of the threaded rod 13 at the two sides of the bottom end of the lying plate 2 is sleeved with a moving block 26, the threaded rod 13 is in threaded connection with the moving block 26, the threaded rod 13 is in sliding connection with the temporal part of the supporting rod 10, the top end of the moving block 26 is fixedly connected with the bottom end of the second fixed block 15, the inner wall of the second fixed block 15 is fixedly connected with the two ends of the first fixed rod 16, the bottom end of the rotating rod 17 is sleeved outside the first fixed rod 16, the first fixed rod 16 is rotationally connected with the rotating rod 17, the top end of the rotating rod 17 is sleeved on the surface of the second fixed rod 18, the rotating rod 17 is rotationally connected with the second fixed rod 18, the two ends of the second fixed rod 18 are fixedly connected with the inner wall of the third fixed block 19, the top end of the third fixed block 19 is fixedly connected with the bottom end of the supporting leg 3, the front end of the lying plate 2 is fixedly connected with the rear end of the fourth fixed block 20, the inner wall of the fourth fixed block 20 is fixedly connected with two ends of the third fixed rod 21, the rear end of the seat plate 1 is sleeved on the surface of the third fixed rod 21, and the seat plate 1 is rotatably connected with the third fixed rod 21.

Referring to fig. 1, 2 and 4, the two sides of the bottom end of the seat 1 are provided with a fifth fixing block 22, the bottom end of the seat 1 is fixedly connected with the top end of the fifth fixing block 22, the fifth fixing block 22 is sleeved outside the moving rod 23, the fifth fixing block 22 is slidably connected with the moving rod 23, the front end of the moving rod 23 is fixedly connected with the rear end of the foot rest 24, and the rear end of the moving rod 23 is fixedly connected with the front end of the limiting block 25.

When the seat needs to be adjusted to lie, a motor 12 in a base 11 at the rear end of a supporting rod 10 is started to drive a threaded rod 13 to rotate, the rear end of the threaded rod 13 rotates along the interior of a first fixed block 14, meanwhile, when the threaded rod 13 rotates, an outer moving block 26 is driven to move backwards along the surface of the threaded rod 13, when the moving block 26 moves, the bottom end of a rotating rod 17 is driven to overturn along the surface of a first fixed rod 16 on the inner wall of a second fixed block 15, meanwhile, the top end of the rotating rod 17 is driven to overturn along the surface of a second fixed rod 18 on the inner wall of a third fixed block 19, and meanwhile, a lying plate 2 is driven to overturn backwards, and when the lying plate 2 is overturned, a third fixed rod 21 on the inner wall of a fourth fixed block 20 at the front end of the lying plate 2 rotates along the interior of the rear end of a seat plate 1 until the seat plate 1 is flush with supporting legs 3, so that the seat is adjusted to lie;

When the foot rest is required to be pulled out, the foot rest 24 at the bottom end of the seat plate 1 is pulled outwards to drive the movable rod 23 to move outwards along the inside of the fifth fixed block 22 until the foot rest 24 is completely pulled out, and the limiting block 25 at the rear end of the movable rod 23 can prevent the movable rod 23 from being separated from the inside of the fifth fixed block 22 to play a limiting role, so that the foot rest is pulled out, thus the working process of the whole device is just described, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

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. The sitting and lying state switching mechanism is characterized by comprising a lying plate (2) arranged at the rear end of a sitting plate (1), supporting legs (3) are arranged at two sides of the bottom end of the sitting plate (1), the bottom end of the sitting plate (1) is fixedly connected with the top ends of the supporting legs (3), a switching mechanism is arranged between the sitting plate (1) and the lying plate (2), the switching mechanism comprises a base (11), the base (11) is arranged at a position, close to the lower position, of the rear end of the supporting legs (3), the front end of the base (11) is fixedly connected with the rear end of the supporting legs (3), the rear end of the base (11) is fixedly connected with the rear end of a supporting rod (10), the rear end of the inside of the supporting rod (10) is fixedly connected with the front end of a motor (12), the rear end of the motor (12) is fixedly connected with the front end of a threaded rod (13), the rear end of the threaded rod (13) is inserted into a first fixing block (14), the threaded rod (13) is rotationally connected with the first fixing block (14), and the rear end of the first fixing block (14) is fixedly connected with the rear end of the inside of the motor (12).

2. The sitting and lying state switching mechanism according to claim 1, wherein the moving blocks (26) are sleeved on the surfaces of the threaded rods (13) on two sides of the bottom end of the lying plate (2), the threaded rods (13) are in threaded connection with the moving blocks (26), and the threaded rods (13) are in sliding connection with the temporal parts of the support rods (10).

3. The sitting and lying state switching mechanism according to claim 2, wherein the top end of the moving block (26) is fixedly connected with the bottom end of the second fixed block (15), the inner wall of the second fixed block (15) is fixedly connected with two ends of the first fixed rod (16), the bottom end of the rotating rod (17) is sleeved outside the first fixed rod (16), and the first fixed rod (16) is rotationally connected with the rotating rod (17).

4. The sitting and lying state switching mechanism according to claim 3, wherein the top end of the rotating rod (17) is sleeved on the surface of the second fixed rod (18), the rotating rod (17) is rotationally connected with the second fixed rod (18), two ends of the second fixed rod (18) are fixedly connected with the inner wall of the third fixed block (19), and the top end of the third fixed block (19) is fixedly connected with the bottom end of the supporting leg (3).

5. The sitting and lying state switching mechanism according to claim 4, wherein the front end of the lying plate (2) is fixedly connected with the rear end of a fourth fixed block (20), the inner wall of the fourth fixed block (20) is fixedly connected with two ends of a third fixed rod (21), the rear end of the sitting plate (1) is sleeved on the surface of the third fixed rod (21), and the sitting plate (1) is rotatably connected with the third fixed rod (21).

6. The sitting and lying state switching mechanism according to claim 5, wherein a fifth fixing block (22) is arranged on two sides of the bottom end of the seat plate (1), the bottom end of the seat plate (1) is fixedly connected with the top end of the fifth fixing block (22), the fifth fixing block (22) is sleeved on the outer side of the moving rod (23), and the fifth fixing block (22) is in sliding connection with the moving rod (23).

7. The sitting and lying state switching mechanism according to claim 6, wherein the front end of the moving rod (23) is fixedly connected with the rear end of the foot rest (24), and the rear end of the moving rod (23) is fixedly connected with the front end of the limiting block (25).