CN222604157U

CN222604157U - Sofa with adjustable seat depth

Info

Publication number: CN222604157U
Application number: CN202421251231.5U
Authority: CN
Inventors: 王欣欣; 李娜; 王小雨; 韩凤梅; 王月梅
Original assignee: Henan Defeike Home Furnishing Co ltd
Current assignee: Henan Defeike Home Furnishing Co ltd
Priority date: 2024-06-04
Filing date: 2024-06-04
Publication date: 2025-03-14
Anticipated expiration: 2034-06-04

Abstract

The utility model relates to the technical field of sofas and discloses a sofa with an adjustable seat depth, which comprises a base, wherein the rear end of the base is fixedly connected with a backboard, a cushion is arranged in the base, mounting grooves are formed in the left end and the right end of the base, a threaded rod is rotatably connected in the mounting grooves, a motor I is fixedly arranged at the front end of the inside of the left mounting groove, one end of the left threaded rod is fixedly connected with the output end of the motor I, the other end of the threaded rod is fixedly connected with a belt pulley, synchronous belts are arranged on the outer sides of the two belt pulleys, mounting plates are connected with middle threads of the two threaded rods, and a back cushion is arranged at the front end of each mounting plate. The utility model is convenient for adjusting the seat depth of the sofa, is beneficial to being suitable for people with different heights, is convenient for supporting the legs of tall people, reduces the phenomenon that the feet are suspended when short people sit on the sofa, and improves the comfort and experience when in use, thereby improving the adjustability and adaptability of the sofa.

Description

Sofa with adjustable seat depth

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa with an adjustable seat depth.

Background

The term sofa is commonly used in modern life to refer to a piece of furniture for sitting and lying in a room, usually consisting of a soft seat cushion, backrest and armrests, and possibly including a movable footrest or seat cushion, the sofa being designed and made of a wide variety of materials to suit different home decoration styles and personal preferences, the sofa being a piece of furniture commonly found in living, living or bedroom, not only providing a place of rest and relaxation, but also a center for home social activities.

Through searching, the Chinese patent with the publication number of CN219920685U discloses a sofa with adjustable angles, which aims at the problem that the sofa is inconvenient to adjust the angles of the sofa according to the backrest of a user because the sofa can not correspondingly adjust the proper angles according to the backrest of the user, thereby being unfavorable for the comfort of adjusting the angles of the sofa according to the backrest of the user.

In the use of above-mentioned sofa, there is the disadvantage, because of different people are different to the comfort level requirement of sofa seat degree of depth usually, the great people of stature usually need the more dark sofa seat degree of depth, be convenient for the thigh obtains the support, and the short person of stature usually needs shallower seat degree of depth, the foot is unsettled when avoiding sitting, the seat degree of depth in above-mentioned sofa is fixed size, the flexible adjustment is carried out to the size of seat degree of depth according to user's comfort level generally to unsuitable seat degree of depth easily leads to back and waist to bear too much pressure, be difficult to keep stable position of sitting, increased uncomfortable sense, thereby reduced experience sense.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a sofa with adjustable seat depth.

In order to achieve the aim, the sofa with the adjustable seat depth comprises a base, wherein the rear end of the base is fixedly connected with a back plate, a cushion is arranged in the base, mounting grooves are formed in the left end and the right end of the base, a threaded rod is rotatably connected in the mounting grooves, a first motor is fixedly arranged at the front end of the inside of the mounting grooves on the left side, one end of the threaded rod is fixedly connected to the output end of the first motor on the left side, a belt pulley is fixedly connected to the other end of the threaded rod, synchronous belts are arranged on the outer sides of the two belt pulleys, mounting plates are connected with middle threads of the two threaded rods in a threaded mode, a back cushion is arranged at the front end of each mounting plate, two rotating rods are rotatably connected in the middle of the rear end of each mounting plate, a sliding block is rotatably connected to the other end of each rotating rod, two sliding grooves are formed in the middle of the front end of each back plate, and the outer sides of the sliding blocks are slidably connected in the sliding grooves.

As a further description of the above technical solution:

The base is characterized in that screw grooves are formed in the left end and the right end of the base, screws are connected to the inner sides of the screw grooves in a threaded mode, and bottom shells are connected to the other ends of the screws in a rotary mode.

As a further description of the above technical solution:

the bottom end fixedly connected with first twill gear of screw rod, the middle part of drain pan rotates and is connected with the connecting rod.

As a further description of the above technical solution:

The two ends of the connecting rod are fixedly connected with second diagonal gears, and the first diagonal gears are in meshed connection with the second diagonal gears.

As a further description of the above technical solution:

The motor II is fixedly arranged in the middle of the inner side of the bottom shell, the output end of the motor II is fixedly connected with the bevel gear I, and the bevel gear II is fixedly connected with the middle of the connecting rod.

As a further description of the above technical solution:

The first bevel gear and the second bevel gear are in meshed connection, and stabilizing grooves are formed in the bottom end of the base, close to four corners.

As a further description of the above technical solution:

The bottom shell is close to four corners and is fixedly connected with stabilizing columns, and the outer sides of the stabilizing columns are slidably connected to the inner sides of the stabilizing grooves.

The utility model has the following beneficial effects:

1. according to the utility model, under the mutual matching of the mounting groove, the threaded rod, the belt pulley, the synchronous belt, the mounting plate, the rotating rod, the sliding block and the sliding groove, the function of conveniently adjusting the seat depth is added when the sofa is used, the sofa is beneficial to being suitable for people with different heights, the legs of high personnel are convenient to support, the phenomenon that the legs of the low personnel are suspended when the low personnel are seated is reduced, the comfort and experience when in use are improved, the adjustability and the adaptability of the sofa are improved, the phenomenon that the back and the waist of a user bear excessive pressure due to improper seat depth is reduced, and the damage to the waist when the user sits for a long time is reduced.

2. According to the utility model, under the mutual coordination of the thread groove, the screw rod, the first diagonal gear, the connecting rod, the second diagonal gear, the bevel gear I, the bevel gear II, the stabilizing column and the stabilizing groove, the function of flexibly adjusting the height of the sofa when the sofa is seated is added, the height of the sofa can be adjusted according to the leg length of a user and the use requirement, the sofa can be lowered when the old is seated, the safety of the old when the old is seated is enhanced, the distance between the base of the sofa and the ground is convenient to adjust, the space at the bottom of the sofa is convenient to clean, and the phenomenon of dirt collection due to the fact that the distance between the bottom of the sofa and the ground is relatively short is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a sofa with adjustable seat depth according to the present utility model;

Fig. 2 is a schematic view of a back plate structure of a sofa with adjustable seat depth according to the present utility model;

fig. 3 is a schematic view of a base structure of a sofa with adjustable seat depth according to the present utility model;

Fig. 4 is a schematic structural view of a stabilizer column of a sofa with adjustable seat depth according to the present utility model;

FIG. 5 is a schematic view of a mounting plate of a sofa with adjustable seat depth according to the present utility model;

Fig. 6 is a schematic view of a first diagonal gear structure of a sofa with adjustable seat depth according to the present utility model.

Legend description:

1. A base; 2, a back plate, 3, a cushion, 4, an installation groove, 5, a threaded rod, 6, a motor I, 7, a belt pulley, 8, a synchronous belt, 9, a stabilizing column, 10, an installation plate, 11, a back cushion, 12, a rotating rod, 13, a sliding block, 14, a sliding groove, 15, a threaded groove, 16, a threaded rod, 17, a bottom shell, 18, a first diagonal gear, 19, a connecting rod, 20, a second diagonal gear, 21, a motor II, 22, a bevel gear I, 23, a bevel gear II, 24 and a stabilizing groove.

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.

As shown in fig. 1-6, the present utility model provides an embodiment: the utility model provides a sofa with adjustable seat depth, the on-line screen storage device comprises a base 1, the rear end fixedly connected with backplate 2 of base 1, the inside of base 1 is provided with cushion 3, the inside mounting groove 4 that all is provided with in both ends about base 1, the inside rotation of mounting groove 4 is connected with threaded rod 5, the inside front end fixed mounting of left side mounting groove 4 has motor one 6, the one end fixedly connected with of left side threaded rod 5 is at the output of motor one 6, the other end fixedly connected with belt pulley 7 of threaded rod 5, the outside of two belt pulleys 7 is provided with hold-in range 8, the middle part threaded connection of two 5 has mounting panel 10, the front end of mounting panel 10 is provided with cushion 11, the rear end middle part rotation of mounting panel 10 is connected with two dwang 12, the other end rotation of dwang 12 is connected with slider 13, the front end middle part of backplate 2 is provided with two spouts 14, the outside sliding connection of slider 13 is in the inside of spout 14, the rotation through two 5 is favorable to drive the removal of threaded rod 10, thereby drive cushion 11 carries out the seat depth adjustment, and mounting panel 10 when moving forward, the pulling dwang 12 rotates, make dwang 12 rotate, the inside support of the inside of the support panel is convenient for the improvement of the slider 13 when the inside of the support of the slider 14.

As shown in fig. 6, the inside screw thread grooves 15 that are provided at both ends about the base 1, the inboard threaded connection of screw thread grooves 15 has screw rods 16, the other end of two screw rods 16 rotates and is connected with drain pan 17, the first twill gear 18 of bottom fixedly connected with of screw rods 16, the middle part rotation of drain pan 17 is connected with connecting rod 19, the equal fixedly connected with second twill gear 20 at both ends of connecting rod 19, be the meshing connection between first twill gear 18 and the second twill gear 20, the outside sliding connection of stabilizer column 9 is in the inboard of stabilizer groove 24, according to the meshing of first twill gear 18 and second twill gear 20, be convenient for drive two screw rods 16 and rotate in the inboard of screw thread grooves 15, thereby be convenient for drive base 1 and go up and down, be convenient for carry out altitude mixture control according to user's shank length, and be convenient for the clearance of base 1 bottom dust.

As shown in fig. 4, the motor two 21 is fixedly mounted in the middle of the inner side of the bottom shell 17, the output end of the motor two 21 is fixedly connected with the bevel gear one 22, the middle of the connecting rod 19 is fixedly connected with the bevel gear two 23, the bevel gear one 22 is in meshed connection with the bevel gear two 23, stabilizing grooves 24 are formed in the bottom end of the bottom shell 1 and close to four corners, stabilizing columns 9 are fixedly connected to the bottom shell 17 and close to four corners, the stability of lifting of the bottom shell 1 is improved through sliding of the stabilizing columns 9 in the stabilizing columns 24, the bevel gear one 22 drives the bevel gear two 23 to move, and the output of the rotating force of the output end of the motor two 21 is facilitated.

Working principle: after the sofa is used, shallower seat depth is needed, so that when the seat depth of the sofa is adjusted, the motor I6 is started, the output end of the motor I6 drives the threaded rod 5 at the left end to rotate, so that the threaded rod 5 at the left end drives the belt pulley 7 at the left end to rotate, the belt pulley 7 at the left end drives the synchronous belt 8 to move when rotating, and the synchronous belt 8 is connected with the threaded rod 5 at the right end, so that the belt pulley 7 at the right side is driven to rotate, the two threaded rods 5 are conveniently driven to simultaneously rotate, when the two threaded rods 5 simultaneously rotate, the two threaded rods 5 are conveniently driven to simultaneously drive the mounting plate 10 to move forwards, when the mounting plate 10 moves, the rotating rod 12 at the rear side is driven to rotate, and when the rotating rod 12 rotates, the rotating rod 10 moves forwards, the sliding block 13 is driven to move in the sliding groove 14, so that the mounting plate 10 drives the back cushion 11 to move forwards, thereby being beneficial to shortening the size area of the cushion 3, being convenient for adjusting the depth of the sofa seat to a shallower state, and when the sofa is required to be lifted, starting the motor II 21 in the bottom shell 17, enabling the output end of the motor II 21 to drive the bevel gear I22 to rotate, driving the bevel gear II 23 to rotate due to the meshing of the bevel gear I22 and the bevel gear II 23, being beneficial to driving the connecting rod 19 to rotate through the rotation of the bevel gear II 23, enabling the connecting rod 19 to drive the second diagonal gears 10 at two ends to rotate, and being convenient for driving the first diagonal gears 18 to rotate due to the meshing of the second diagonal gears 10 and the first diagonal gears 18, enabling the first diagonal gears 18 to drive the screw 16 to rotate at the inner side of the thread groove 15, being convenient for adjusting the height of the sofa by moving up and down under the connection of threads, thereby being convenient for adapting to users with different heights.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. The sofa with the adjustable seat depth comprises a base (1) and is characterized in that the rear end of the base (1) is fixedly connected with a back plate (2), a seat cushion (3) is arranged in the base (1), mounting grooves (4) are formed in the left end and the right end of the base (1), threaded rods (5) are rotatably connected to the inner parts of the mounting grooves (4), a first motor (6) is fixedly arranged at the front end of the mounting grooves (4) on the left side, one end of the threaded rods (5) is fixedly connected to the output end of the first motor (6), the other end of the threaded rods (5) is fixedly connected with a belt pulley (7), two belt pulleys (7) are arranged on the outer sides of the belt pulleys (8), two mounting plates (10) are connected to middle threads of the threaded rods (5), back cushions (11) are arranged at the front ends of the mounting plates (10), two rotating rods (12) are rotatably connected to the middle parts of the rear ends of the mounting plates (10), sliding blocks (13) are rotatably connected to the other ends of the rotating rods (12), and the front ends of the back plates (2) are provided with sliding blocks (14) which are connected to the inner sliding blocks (14).

2. The sofa with adjustable seat depth according to claim 1, wherein the inside of the left end and the right end of the base (1) is provided with a thread groove (15), the inner side of the thread groove (15) is connected with a screw rod (16) in a threaded manner, and the other ends of the two screw rods (16) are rotatably connected with a bottom shell (17).

3. The sofa with adjustable seat depth according to claim 2, wherein the bottom end of the screw rod (16) is fixedly connected with a first diagonal gear (18), and the middle part of the bottom shell (17) is rotatably connected with a connecting rod (19).

4. The sofa with adjustable seat depth according to claim 3, wherein the two ends of the connecting rod (19) are fixedly connected with second diagonal gears (20), and the first diagonal gears (18) are in meshed connection with the second diagonal gears (20).

5. The sofa with adjustable seat depth according to claim 4, wherein a motor II (21) is fixedly arranged in the middle of the inner side of the bottom shell (17), a bevel gear I (22) is fixedly connected to the output end of the motor II (21), and a bevel gear II (23) is fixedly connected to the middle of the connecting rod (19).

6. The sofa with adjustable seat depth according to claim 5, wherein the bevel gear I (22) and the bevel gear II (23) are connected in a meshed mode, and stabilizing grooves (24) are formed in the bottom end of the base (1) close to four corners.

7. The sofa with adjustable seat depth according to claim 6, wherein the bottom shell (17) is fixedly connected with stabilizing columns (9) near four corners, and the outer sides of the stabilizing columns (9) are slidably connected to the inner sides of the stabilizing grooves (24).