CN220141202U

CN220141202U - Adjustable sofa

Info

Publication number: CN220141202U
Application number: CN202321611225.1U
Authority: CN
Inventors: 陈辉
Original assignee: Guangdong Jujiameike Home Technology Co ltd
Current assignee: Guangdong Jujiameike Home Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-08
Anticipated expiration: 2033-06-25

Abstract

The utility model belongs to the field of sofas, in particular to an adjustable sofa, aiming at the problems that the backrest angle of the existing adjustable sofa is inconvenient to adjust according to requirements and the comfort is low in use, the adjustable sofa provided by the utility model comprises a support, wherein four supporting legs are fixedly arranged at the bottoms of the support, anti-slip pads are connected to the bottoms of the four supporting legs, two symmetrical armrests are fixedly arranged at the top of the support, a cushion is placed at the top of the support, a mounting groove is formed in the support, a backrest is rotatably arranged in the mounting groove, an adjusting mechanism is arranged on the backrest, a headrest is fixedly connected to the backrest, sliding grooves are formed in both sides of the support, and a first empty groove and a second empty groove are formed in the support.

Description

Adjustable sofa

Technical Field

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

Background

Sofa, table chair etc. are the furniture articles that are indispensable in daily life, are used for the daily life of family to go on, provide very big facility for people's life.

An adjustable sofa is disclosed in the patent document of publication number CN216220911U, which discloses a sofa comprising: the sofa comprises a sofa body and a base, wherein a threaded column is rotationally connected onto the base, a first bevel gear is fixedly connected to the outer side of the lower end of the threaded column, a rotating rod is rotationally connected onto one side of the bevel gear at the upper end of the base, a second bevel gear is fixedly connected onto one end of the rotating rod, a connecting sleeve is in threaded connection with the outer side of the threaded column, a fixing plate is fixedly connected onto the upper end of the connecting sleeve, and a plurality of connecting columns are fixedly connected onto the lower end of the sofa body. Through design fixed plate week side be equipped with threaded rod and thread bush, the user is sat on the sofa body through user's weight oppression threaded rod and thread bush decline, adsorbs ground through thread bush lower extreme sucking disc, has guaranteed the stability when using, when not using, can bounce the sucking disc through the spring, conveniently remove through the gyro wheel, when making sofa body rise or descend through threaded rod and thread bush, the sucking disc also can adjust with the height on ground.

However, the above patent documents are inconvenient to adjust the backrest angle of the sofa according to the requirement during the use, and therefore we propose an adjustable sofa for solving the above problems.

Disclosure of Invention

The utility model aims to solve the defect that in the prior art, an adjustable sofa is inconvenient to adjust the back angle of the sofa according to requirements in the use process.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an adjustable sofa, includes the support, the bottom fixed mounting of support has four landing legs, and the bottom of four landing legs all is connected with slipmat, and two armrests of symmetry have been placed at the top fixed mounting of support, have seted up the mounting groove on the support, and the back is installed to the mounting groove internal rotation, is provided with adjustment mechanism on the back, fixedly connected with headrest on the back, and the spout has all been seted up to the both sides of support, has seted up first empty slot and second empty slot in the support.

Preferably, the adjusting mechanism comprises a rotating rod, a second through hole is formed in the inner wall of one side of the first empty groove, the second through hole is communicated with the mounting groove, the rotating rod is rotatably mounted in the second through hole, the outer side of the rotating rod is fixedly connected with the backrest, a worm wheel is fixedly mounted at one end of the rotating rod, and the worm wheel is meshed with the worm.

Preferably, two symmetrical third through holes are formed in the inner wall of one side of the second empty groove, the two third through holes are respectively communicated with the two sliding grooves, threaded holes are formed in the two sliding blocks, and threaded rods are arranged in the two threaded holes in a threaded mode.

Preferably, one end of each of the two threaded rods is fixedly provided with a chain wheel, and the two chain wheels are meshed with the same chain.

Preferably, bearings are fixedly arranged on one side inner wall of the first empty groove and one side inner wall of the two sliding grooves, and inner rings of the three bearings are fixedly connected with the outer sides of the two threaded rods respectively.

Preferably, a pinion is fixedly sleeved on the outer side of the threaded rod, a large gear is fixedly arranged at the other end of the worm, and the large gear is meshed with the pinion.

Preferably, sliding blocks are slidably arranged in the two sliding grooves, connecting blocks are fixedly connected to the outer sides of the two sliding blocks, supporting plates are fixedly connected to the two connecting blocks, sliding ports are formed in the two supporting plates, and the two sliding ports are matched with the two supporting legs.

Preferably, a first through hole is formed in one side of the support, the first through hole is communicated with the first empty groove and the second empty groove, the worm is rotatably installed in the first through hole, the motor is fixedly installed on the outer side of the support, and an output shaft of the motor is fixedly connected with one end of the worm.

In the utility model, the adjustable sofa has the beneficial effects that:

1. when the motor is started, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating rod to rotate, and the rotating rod drives the backrest to rotate, so that the inclination angle of the backrest can be adjusted.

2. This scheme is when the worm rotates, and the gear wheel drives pinion and rotates, and the threaded rod drives the sprocket and rotates, and two sprockets pass through chain drive, and then two threaded rods drive two slider horizontal migration respectively, and two connecting blocks drive two extension boards horizontal migration respectively, and then can the shank place on two extension boards, improves the travelling comfort.

The sofa backrest angle adjusting device can be used conveniently to adjust the backrest angle of the sofa according to requirements, can effectively improve the comfort of the sofa, and is simple in structure and convenient to use.

Drawings

Fig. 1 is a schematic structural view of an adjustable sofa according to the present utility model;

fig. 2 is a schematic diagram of a front view of an adjustable sofa according to the present utility model;

fig. 3 is a schematic structural view of an adjustable sofa support plate according to the present utility model;

FIG. 4 is a schematic top view of an adjustable sofa according to the present utility model;

FIG. 5 is an enlarged schematic view of the portion A of FIG. 4 of an adjustable sofa according to the present utility model;

fig. 6 is an enlarged schematic view of a portion B of fig. 4 of an adjustable sofa according to the present utility model.

In the figure: 1. a support; 2. a support leg; 3. an armrest; 4. a mounting groove; 5. a backrest; 6. a headrest; 7. a cushion; 8. a chute; 9. a slide block; 10. a connecting block; 11. a support plate; 12. a first empty slot; 13. a rotating rod; 14. a worm; 15. a motor; 16. a worm wheel; 17. a second empty slot; 18. a threaded rod; 19. a pinion gear; 20. a large gear; 21. a sprocket; 22. and (3) a chain.

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.

Example 1

Referring to fig. 1-4, an adjustable sofa comprises a support 1, four support legs 2 are fixedly arranged at the bottom of the support 1, anti-slip pads are connected at the bottoms of the four support legs 2, two symmetrical armrests 3 are fixedly arranged at the top of the support 1, a cushion 7 is arranged at the top of the support 1, a mounting groove 4 is formed in the support 1, a backrest 5 is rotatably arranged in the mounting groove 4, an adjusting mechanism is arranged on the backrest 5, a headrest 6 is fixedly connected to the backrest 5, sliding grooves 8 are formed in two sides of the support 1, a first empty groove 12 and a second empty groove 17 are formed in the support 1, bearings are fixedly arranged on one side inner wall of the first empty groove 12 and one side inner wall of the two sliding grooves 8, the inner rings of the three bearings are fixedly connected with the outer sides of the worm 14 and the two threaded rods 18 respectively, the sliding blocks 9 are slidably installed in the two sliding grooves 8, the connecting blocks 10 are fixedly connected with the outer sides of the two sliding blocks 9, the supporting plates 11 are fixedly connected with the two connecting blocks 10, sliding ports are formed in the two supporting plates 11 and matched with the two supporting legs 2, a first through hole is formed in one side of the support 1 and is communicated with the first empty groove 12 and the second empty groove 17, the worm 14 is rotationally installed in the first through hole, the motor 15 is fixedly installed on the outer side of the support 1, an output shaft of the motor 15 is fixedly connected with one end of the worm 14, and when the motor 15 is started, the motor 15 can drive the worm 14 to rotate.

Referring to fig. 5, the adjusting mechanism includes a rotating rod 13, a second through hole is formed in an inner wall of one side of the first hollow groove 12, the second through hole is communicated with the mounting groove 4, the rotating rod 13 is rotatably mounted in the second through hole, the outer side of the rotating rod 13 is fixedly connected with the backrest 5, one end of the rotating rod 13 is fixedly mounted with a worm wheel 16, the worm wheel 16 is meshed with the worm 14, and when the worm 14 rotates, the worm wheel 16 can drive the rotating rod 13 to rotate.

Referring to fig. 6, two symmetrical third through holes are formed in the inner wall of one side of the second hollow groove 17, the two third through holes are respectively communicated with the two sliding grooves 8, threaded holes are formed in the two sliding blocks 9, threaded rods 18 are installed in the two threaded holes in a threaded mode, chain wheels 21 are fixedly installed at one ends of the two threaded rods 18, the same chain 22 is meshed on the two chain wheels 21, a pinion 19 is fixedly sleeved on the outer side of the threaded rod 18, a large gear 20 is fixedly installed at the other end of the worm 14, the large gear 20 is meshed with the pinion 19, and when the large gear 20 rotates, the pinion 19 can drive the threaded rod 18 to rotate.

In this embodiment, when using, can drive worm 14 through opening motor 15, motor 15 drives worm 14 and rotates, worm 14 drives worm wheel 16 and rotates, worm wheel 16 drives bull stick 13 and rotates, bull stick 13 drives back 5 and rotates, and then can adjust the inclination of back 5, simultaneously worm 14 drives gear wheel 20 and rotates, gear wheel 20 drives pinion 19 and rotates, pinion 19 drives threaded rod 18 and rotates, threaded rod 18 drives sprocket 21 and rotates, two sprockets 21 pass through the chain 22 transmission, two threaded rods 18 drive two sliders 9 horizontal migration respectively, two sliders 9 drive two connecting blocks 10 horizontal migration respectively, two connecting blocks 10 drive two extension boards 11 horizontal migration respectively, through the setting of two extension boards 11, the user can place the shank on two extension boards 11, the travelling comfort of using has effectively been improved.

Example two

The difference between this embodiment and the first embodiment is that: the equal fixedly connected with magic subsides in top and the bottom of cushion 7 of support 1, and two magic subsides cooperate, through the setting that two magic subsides, can conveniently dismantle cushion 7, can prevent simultaneously that cushion 7 from taking place to slide.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an adjustable sofa, includes support (1), its characterized in that, the bottom fixed mounting of support (1) has four landing legs (2), the bottom of four landing legs (2) all is connected with slipmat, the top fixed mounting of support (1) has two handrail (3) of symmetry, cushion (7) have been placed at the top of support (1), mounting groove (4) have been seted up on support (1), back (5) are installed in mounting groove (4) internal rotation, be provided with adjustment mechanism on back (5), fixedly connected with back cushion (6) on back (5), spout (8) have all been seted up to the both sides of support (1), first empty slot (12) and second empty slot (17) have been seted up in support (1).

2. An adjustable sofa according to claim 1, characterized in that a first through hole is provided on one side of the support (1), the first through hole is communicated with the first empty groove (12) and the second empty groove (17), a worm (14) is rotatably installed in the first through hole, a motor (15) is fixedly installed on the outer side of the support (1), and an output shaft of the motor (15) is fixedly connected with one end of the worm (14).

3. An adjustable sofa according to claim 2, characterized in that the adjusting mechanism comprises a rotating rod (13), a second through hole is formed in the inner wall of one side of the first empty groove (12), the second through hole is communicated with the mounting groove (4), the rotating rod (13) is rotatably mounted in the second through hole, the outer side of the rotating rod (13) is fixedly connected with the backrest (5), a worm wheel (16) is fixedly mounted at one end of the rotating rod (13), and the worm wheel (16) is meshed with the worm (14).

4. An adjustable sofa according to claim 3, characterized in that the sliding blocks (9) are slidably mounted in the two sliding grooves (8), the outer sides of the two sliding blocks (9) are fixedly connected with the connecting blocks (10), the two connecting blocks (10) are fixedly connected with the support plates (11), the two support plates (11) are provided with sliding openings, and the two sliding openings are matched with the two supporting legs (2).

5. An adjustable sofa according to claim 4, characterized in that two symmetrical third through holes are formed in the inner wall of one side of the second empty groove (17), the two third through holes are respectively communicated with the two sliding grooves (8), threaded holes are formed in the two sliding blocks (9), and threaded rods (18) are arranged in the two threaded holes in a threaded mode.

6. The adjustable sofa according to claim 5, wherein the outer side of the threaded rod (18) is fixedly sleeved with a pinion (19), the other end of the worm (14) is fixedly provided with a large gear (20), and the large gear (20) is meshed with the pinion (19).

7. An adjustable sofa according to claim 6, characterized in that the chain wheels (21) are fixedly arranged at one end of the two threaded rods (18), and the same chain (22) is meshed with the two chain wheels (21).

8. The adjustable sofa according to claim 7, wherein bearings are fixedly mounted on one side inner wall of the first empty groove (12) and one side inner wall of the two sliding grooves (8), and inner rings of the three bearings are fixedly connected with outer sides of the two threaded rods (18) respectively.