CN212995579U

CN212995579U - Sofa with adjustable backrest and headrest angles

Info

Publication number: CN212995579U
Application number: CN202021787571.1U
Authority: CN
Inventors: 刘金华
Original assignee: Guangdong Hairui Smart Home Technology Co ltd
Current assignee: Guangdong Hairui Smart Home Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-20
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a sofa with adjustable backrest headrest angle, which relates to the technical field of sofa backrest adjustment, comprising a sofa body, wherein the inner rotation of the base of the sofa body is connected with a rotating shaft, the outer surface sleeve of the part of the rotating shaft extending into the base is sleeved with a driving gear, the inner bottom wall of the sofa body is connected with a driven gear through a connecting rod in a rotating way, the driving gear is meshed with the driven gear, the backrest of the sofa body penetrates through the base of the sofa body and is connected with the rotating shaft in the base in a rotating way, the inner bottom wall of the base of the sofa body is connected with a moving plate in a sliding way, the upper surface on the right side of the moving plate is fixedly connected with a plurality of evenly distributed tooth blocks, the tooth blocks are meshed with the driven gear, the lower surface of the base of the sofa body is provided with a fixing, through the utility model discloses, solved the problem that traditional sofa is difficult to adjust back and headrest angle.

Description

Sofa with adjustable backrest and headrest angles

Technical Field

The utility model relates to a technical field is adjusted to the sofa back, specifically is a sofa of adjustable back headrest angle.

Background

The sofa serves as an essential rest tool for human beings, plays a critical role in the daily life of the human beings, can play a decoration role, can provide convenience conditions for passengers of the owners, and becomes essential furniture in modern home decoration.

The sofa on the market now, the style is various, and the variety is various, but improves from handsome in appearance, and most sofas are fixed the setting for the back, have certain defect in using, can not make the user satisfied with, and the angle to sofa back angle and headrest is difficult to most of current sofas, and this also leads to the sofa to have more inconvenience when using, influences user's rest experience, has brought very big inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sofa of adjustable back headrest angle to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sofa with adjustable backrest headrest angle comprises a sofa body, wherein a rotating shaft is connected in a base of the sofa body in a rotating manner, one end of the rotating shaft penetrates through the side wall of the base of the sofa body and is fixedly connected with a rotating handle, a driving gear is sleeved on the outer surface of the part, extending into the base, of the rotating shaft, a driven gear is connected in a rotating manner through a connecting rod, the driving gear is meshed with the driven gear, a backrest of the sofa body penetrates through the base of the sofa body and is connected with the rotating shaft in the base in a rotating manner, a moving plate is connected to the inner bottom wall of the base of the sofa body in a sliding manner and is positioned below the driven gear, a plurality of uniformly distributed tooth blocks are fixedly connected to the upper surface of the right side of the moving plate, the tooth blocks are meshed with the driven gear, a, the back upper surface fixed connection of sofa body has two mounting panels about the central line symmetry setting, rotates between two mounting panels to be connected with the bull stick, and the bull stick surface rotates and is connected with the headrest, and the one side threaded connection that the headrest was kept away from to the mounting panel lateral wall has locking bolt, and locking bolt runs through the mounting panel lateral wall and with headrest threaded connection.

As a further aspect of the present invention: the fixing mechanism comprises fixing rods, a pressing plate, a pressing block, a spring, an installation block, a clamping column and a clamping hole, wherein the surface of the sofa body base is fixedly connected with two fixing rods which are symmetrically arranged relative to the pressing plate, two side walls of the pressing plate are connected with the fixing rods in a sliding mode, the lower surface of the pressing plate is fixedly connected with the pressing block through the installation rod, the pressing block stretches into the installation block and is connected with the installation block in a sliding mode, the lower surface of the pressing block is connected with the spring, the other end of the spring is connected with the clamping column, the clamping column penetrates through the installation block and is connected with the installation block in a sliding mode, the upper surface of the movable plate is.

As a further aspect of the present invention: the sliding grooves are formed in the two opposite side walls of the fixing rod, the two side walls of the pressing plate are fixedly connected with balls, and the balls are connected with the sliding grooves in a sliding mode.

As a further aspect of the present invention: the lower surface of the moving plate is fixedly connected with a plurality of uniformly distributed rollers, and the rollers are connected with the inner bottom wall of the sofa body base in a sliding mode.

As a further aspect of the present invention: when the clamping column is pressed to the lowest end, the mounting block just contacts with the upper surface of the moving plate.

As a further aspect of the present invention: the front end face of the sofa body base is fixedly connected with two telescopic rods which are symmetrically arranged about a central line, the side walls of the telescopic rods are in threaded connection with fixing bolts, one end side wall, far away from the sofa body, of each telescopic rod is rotatably connected with a loop bar, and the outer surface of each loop bar is rotatably connected with a pedal.

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

1. the utility model discloses a turning handle, driving gear, driven gear, movable plate, the tooth piece that sets up can adjust sofa backrest angle, can adjust sofa headrest angle and fix through mounting panel, bull stick, the locking bolt that sets up simultaneously, thereby reduced traditional sofa backrest and set up the inconvenience that is difficult to angle of adjustment and brings for the human body perpendicularly, promoted the comfort level of device, strengthened the practicality of device.

2. The utility model discloses a fixed establishment that sets up can fix the angle of sofa back after having adjusted sofa back angle, the possibility that the back sofa back appears rocking has been reduced to lying, can reduce the frictional force between clamp plate and the dead lever at the in-process of clamp plate gliding through the ball and the spout that set up simultaneously, the life of clamp plate has been strengthened, gyro wheel through setting up can make the removal of movable plate more convenient, make the device adjust sofa back angle more easily, the practicality of device has been strengthened, through the footboard that sets up, telescopic link and loop bar can make the user place the foot on the footboard after lying, the travelling comfort of device has been strengthened, user's rest experience has been promoted.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of the structure at the position a in the present invention.

In the figure: 1. a sofa body; 2. a handle is rotated; 3. a rotating rod; 4. locking the bolt; 5. a headrest; 6. a telescopic rod; 7. a loop bar; 8. a pedal; 9. a driving gear; 10. a driven gear; 11. a roller; 12. a tooth block; 13. moving the plate; 14. a clamping hole; 15. pressing a plate; 16. fixing the rod; 17. a chute; 18. a ball bearing; 19. clamping the column; 20. mounting blocks; 21. a spring; 22. and (7) briquetting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a sofa with adjustable backrest headrest angle comprises a sofa body 1, a rotating shaft is connected to the inner rotation of the base of the sofa body 1, one end of the rotating shaft penetrates through the side wall of the base of the sofa body 1 and is fixedly connected with a rotating handle 2, a driving gear 9 is sleeved on the outer surface of the portion of the rotating shaft extending into the base, a driven gear 10 is rotatably connected to the inner bottom wall of the sofa body 1 through a connecting rod, the driving gear 9 is meshed with the driven gear 10, the backrest of the sofa body 1 penetrates through the base of the sofa body 1 and is rotatably connected with the rotating shaft in the base, a moving plate 13 is slidably connected to the inner bottom wall of the base of the sofa body 1, the moving plate 13 is located below the driven gear 10, a plurality of uniformly distributed tooth blocks 12 are fixedly connected to the upper surface of the right side of the moving, the lower surface of the pressing plate 15 is provided with a fixing mechanism which is positioned above the movable plate 13, the upper surface of the backrest of the sofa body 1 is fixedly connected with two mounting plates which are symmetrically arranged about a central line, a rotating rod 3 is rotatably connected between the two mounting plates, the outer surface of the rotating rod 3 is rotatably connected with a headrest 5, one surface of the side wall of the mounting plate, which is far away from the headrest 5, is in threaded connection with a locking bolt 4, the locking bolt 4 penetrates through the side wall of the mounting plate and is in threaded connection with the headrest 5, when the angle of the backrest needs to be adjusted, the rotating handle 2 is rotated, the driving gear 9 is driven by the rotation of the rotating handle 2, the adjustment of the angle of the backrest can be realized, the angle of the sofa backrest can be adjusted by the arranged rotating handle 2, the driving gear 9, the driven gear 10, the movable plate 13 and the tooth block 12, and, thereby reduced thereby the inconvenience that traditional sofa back vertical setting is difficult to angle of adjustment and brings for the human body, promoted the comfort level of device, strengthened the practicality of device.

The fixing mechanism comprises fixing rods 16, a pressing plate 15, a pressing block 22, a spring 21, an installation block 20, a clamping column 19 and a clamping hole 14, two fixing rods 16 symmetrically arranged relative to the pressing plate 15 are fixedly connected to the lower surface of the base of the sofa body 1, two side walls of the pressing plate 15 are slidably connected with the fixing rods 16, the pressing block 22 is fixedly connected to the lower surface of the pressing plate 15 through the installation rods, the pressing block 22 extends into the installation block 20 and is slidably connected with the installation block, the spring 21 is connected to the lower surface of the pressing block 22, the other end of the spring 21 is connected with the clamping column 19, the clamping column 19 penetrates through the installation block 20 and is slidably connected with the installation block, a plurality of clamping holes 14 evenly distributed and matched with the clamping column 19 are formed in the upper surface of the movable plate 13, the clamping column 19 penetrates through the clamping hole 14 and is slidably connected with the clamping hole 14, after the backrest angle is adjusted, a, thereby the clamp column 19 extends into the clamp hole 14 to realize the fixation of the movable plate 13, thereby realizing the fixation of the driven gear 10 and the driving gear 9, thereby fixing the backrest, after the use, the clamp column 19 moves up through the resilience of the spring 21 to restore the backrest, two opposite side walls of the fixed rod 16 are provided with chutes 17, two side walls of the press plate 15 are fixedly connected with balls 18, the balls 18 are in sliding connection with the chutes 17, the lower surface of the movable plate 13 is fixedly connected with a plurality of uniformly distributed rollers 11, the rollers 11 are in sliding connection with the inner bottom wall of the base of the sofa body 1, when the clamp column 19 is pressed to the lowest end, the mounting block 20 just contacts with the upper surface of the movable plate 13, the front end surface of the base of the sofa body 1 is fixedly connected with two telescopic rods 6 symmetrically arranged about the central line, the side walls of the telescopic rods 6 are in threaded connection with fixing bolts, one end side wall of the telescopic rods 6, the utility model discloses a sofa backrest angle adjustment device, including loop bar 7, the angle of sofa backrest is fixed after adjusting sofa backrest angle to the fixed establishment that the loop bar is 7 surface rotation is connected with footboard 8, can fix sofa backrest's angle after having adjusted sofa backrest angle through the fixed establishment that sets up, the possibility that the sofa backrest appears rocking after having reduced lying, simultaneously can reduce the frictional force between clamp plate 15 and the dead lever 16 at the in-process that clamp plate 15 glides through ball 18 and the spout 17 that set up, the life of clamp plate 15 has been strengthened, can make the removal of movable plate 13 more convenient through the gyro wheel 11 that sets up, make the device adjust sofa backrest angle more easily, the practicality of device has been strengthened, through the footboard 8 that sets up, place the foot on footboard 8 after telescopic link 6 and loop bar 7 can make the user lie, the travelling comfort of device has been strengthened, user.

The utility model provides a pair of sofa of adjustable back headrest angle's theory of operation as follows: during the use, after adjusting the angle of back and headrest 5, sit to sofa base on, realize the fixed to the back through the fixed establishment that sets up, after adjusting telescopic link 6, place the footboard 8 with the foot on, promote use comfort, after finishing using, stand up, make back automatic re-setting through the spring 21 that sets up, strengthened the practicality of device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sofa of adjustable back headrest angle, including sofa body (1), a serial communication port, the internal rotation of sofa body (1) base is connected with the pivot, the one end of pivot runs through sofa body (1) base lateral wall and fixedly connected with turning handle (2), the surface cover that the pivot stretches into the base inside part is equipped with driving gear (9), the inner bottom wall of sofa body (1) is connected with driven gear (10) through the connecting rod rotation, driving gear (9) and driven gear (10) meshing connection, the back of sofa body (1) runs through the base of sofa body (1) and is connected with the pivot rotation in the base, the inner bottom wall sliding connection of sofa body (1) base has movable plate (13), movable plate (13) are located driven gear (10) below, the upper surface fixed connection in movable plate (13) right side has a plurality of evenly distributed's tooth piece (12), tooth piece (12) and driven gear (10) meshing connection, the lower fixed surface of sofa body (1) base is connected with clamp plate (15), the lower surface of clamp plate (15) is provided with fixed establishment, fixed establishment is located the top of movable plate (13), the back upper surface fixed connection of sofa body (1) has two mounting panels about the central line symmetry setting, it is connected with bull stick (3) to rotate between two mounting panels, bull stick (3) surface rotates and is connected with headrest (5), the one side threaded connection that headrest (5) were kept away from to the mounting panel lateral wall has locking bolt (4), locking bolt (4) run through the mounting panel lateral wall and with headrest (5) threaded connection.

2. The sofa with the adjustable backrest and headrest angle as claimed in claim 1, wherein the fixing mechanism comprises a fixing rod (16), a pressing plate (15), a pressing block (22), a spring (21), a mounting block (20), a clamping column (19) and a clamping hole (14), the lower surface of the base of the sofa body (1) is fixedly connected with two fixing rods (16) symmetrically arranged with respect to the pressing plate (15), two side walls of the pressing plate (15) are slidably connected with the fixing rods (16), the lower surface of the pressing plate (15) is fixedly connected with the pressing block (22) through the mounting rod, the pressing block (22) extends into the mounting block (20) and is slidably connected with the mounting block, the lower surface of the pressing block (22) is connected with the spring (21), the other end of the spring (21) is connected with the clamping column (19), the clamping column (19) penetrates through the mounting block (20) and is slidably connected with the mounting block, the upper surface of the moving plate (13) is provided with a plurality of clamping holes, the clamping column (19) penetrates through the clamping hole (14) and is connected with the clamping hole in a sliding mode.

3. The sofa with the adjustable backrest and headrest angle as claimed in claim 2, wherein the fixing rod (16) has two opposite side walls provided with sliding grooves (17), the pressing plate (15) has two side walls both fixedly connected with balls (18), and the balls (18) are slidably connected with the sliding grooves (17).

4. The sofa with adjustable backrest and headrest angles as claimed in claim 1, characterized in that the lower surface of the moving plate (13) is fixedly connected with a plurality of rollers (11) which are evenly distributed, and the rollers (11) are slidably connected with the inner bottom wall of the base of the sofa body (1).

5. The sofa with adjustable backrest headrest angle according to claim 2, characterized in that, when the clamping column (19) is pressed to the lowest end, the mounting block (20) just contacts with the upper surface of the moving plate (13).

6. The sofa with the adjustable backrest headrest angle as claimed in claim 1, wherein the front end face of the base of the sofa body (1) is fixedly connected with two telescopic rods (6) symmetrically arranged about the center line, the side walls of the telescopic rods (6) are both connected with fixing bolts in a threaded manner, the side wall of one end of each telescopic rod (6) far away from the sofa body (1) is rotatably connected with a loop bar (7), and the outer surface of each loop bar (7) is rotatably connected with a pedal (8).