CN220571853U - Sofa with lifting headrest - Google Patents

Abstract

The utility model relates to the technical field of sofa headrest, in particular to a sofa with a lifting headrest, which comprises: the sofa comprises a sofa body, wherein a backrest is arranged at the rear part of the sofa body, open slots are symmetrically formed in the top of the backrest, and a lifting assembly is arranged in the backrest and drives a headrest body to move; the driving assembly is arranged at the inner lower part of the backrest and drives the lifting assembly to move, mounting plates are symmetrically arranged at the front side of the inner top end of the headrest body, and one sides of the mounting plates, which are close to each other, are rotationally connected with flexible back cushions; the beneficial effects are as follows: the step motor can drive the worm to rotate, and then makes the worm wheel rotate, under the cooperation of pivot for the gear can rotate, because gear and rack intermeshing, can realize that the rack rises or descends this moment, and the person of facilitating the use adjusts the height of headrest body, is favorable to adapting to the user of different physique, has improved the comfort level of headrest body.

Description

Sofa with lifting headrest

Technical Field

The utility model relates to the technical field of sofa headrest, in particular to a sofa with a lifting headrest.

Background

The sofa is one kind of furniture, is a multi-seat chair with soft cushion, has armrests on two sides, is originated from European and American countries, then introduces Asia, becomes one of the key points of western decoration or modern home decoration, is mainly a chair made of wood or steel lining cotton wool, other foam plastics and the like, and is comfortable as a whole.

In the prior art, the design emphasis of the sofa is on the comfort and the aesthetic degree of the shape of the sofa, and in order to increase the comfort of the sofa, a headrest is arranged on the sofa in a matched manner so as to increase the experience of users.

However, the headrest in the sofa is inconvenient to adjust the height, and cannot be correspondingly adjusted according to the heights and the body shapes of different users, so that the comfort level of the sofa is reduced.

Disclosure of Invention

The utility model aims to provide a sofa with a lifting headrest, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sofa with a lifting headrest, the sofa comprising:

the sofa comprises a sofa body, wherein a backrest is arranged at the rear part of the sofa body, open slots are symmetrically formed in the top of the backrest, and a lifting assembly is arranged in the backrest and drives a headrest body to move;

the driving assembly is arranged at the inner lower part of the backrest and drives the lifting assembly to move.

Preferably, the mounting plate is symmetrically arranged at the front side of the inner top end of the headrest body, the flexible back cushion is rotationally connected to one side of the mounting plate, the springs are symmetrically arranged at the rear side of the bottom end of the flexible back cushion, and the bottom ends of the springs are respectively and fixedly connected to the rear side of the inner top end of the headrest body.

Preferably, the lifting assembly comprises a plurality of groups of fixing frames, a plurality of groups of fixing frames are respectively arranged on two sides of the middle part in the backrest, racks are connected in the fixing frames on one side in a sliding manner, and guide plates are connected in the fixing frames on the other side in a sliding manner.

Preferably, the guide plate and the top of the rack are respectively arranged at two sides of the lower part of the headrest body, and the guide plate and the rack are both in sliding connection in the open slot.

Preferably, the driving assembly comprises a fixing frame, a rotating shaft is rotatably connected to the middle part in the fixing frame, a gear is fixedly connected to the middle part of the periphery of the rotating shaft, and the gear drives the rack to move.

Preferably, the middle part of the front side of the fixing frame is rotationally connected with a worm, the worm drives a worm wheel to rotate, the worm wheel is arranged at the front end of the rotating shaft, one side of the fixing frame, which is close to the guide plate, is fixedly connected with a stepping motor, and the stepping motor drives the worm to rotate.

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

according to the utility model, the stepping motor drives the worm to rotate, so that the worm wheel rotates, the gear rotates under the cooperation of the rotating shaft, and the gear and the rack are meshed with each other, so that the rack can be lifted or lowered at the moment, the height of the headrest body can be conveniently adjusted by a user, the headrest is beneficial to adapting to users with different sizes, and the comfort level of the headrest body is improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of a partial structure of a guide plate according to the present utility model;

FIG. 4 is an enlarged view of FIG. 2 at A;

fig. 5 is an enlarged view at B in fig. 3.

In the figure: 1. a sofa body; 2. a backrest; 3. an open slot; 4. a headrest body; 41. a mounting plate; 42. a flexible back cushion; 43. a spring; 5. a lifting assembly; 51. a fixed frame; 52. a rack; 53. a guide plate; 6. a drive assembly; 61. a fixing frame; 62. a stepping motor; 63. a gear; 64. a rotating shaft; 65. a worm wheel; 66. a worm.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Embodiment one: referring to fig. 1 to 5, the present utility model provides a technical solution: a sofa with a lifting headrest comprising: the sofa body 1, the back 2 is installed at sofa body 1 rear portion, open slot 3 has been seted up to back 2 top symmetry, through setting up open slot 3, rack 52 and deflector 53 in the convenient lifting unit 5 remove, be favorable to adjusting headrest body 4's height, be provided with lifting unit 5 in the back 2, lifting unit 5 drives headrest body 4 and remove, top front side symmetry installs mounting panel 41 in the headrest body 4, mounting panel 41 is close to one side each other and rotates and be connected with flexible cushion 42, flexible cushion 42 bottom rear side symmetry installs spring 43, spring 43 bottom fixed connection is in top rear side in the headrest body 4 respectively, through setting up spring 43 and flexible cushion 42, impact force when the personnel contacted with flexible cushion 42 can be reduced to spring 43, have good shock attenuation, the lifting unit 5 includes multiunit fixed frame 51, multiunit fixed frame 51 installs in back 2 interior middle part both sides respectively, one side fixed frame 51 sliding connection has 52, the fixed frame 51 sliding connection of the opposite side has deflector 53, deflector 53 sliding connection respectively, deflector 53 and 52 top portion installs rack 4 and is connected in rack 53 both sides opening and in the support slot 3.

Embodiment two:

on the basis of the first embodiment, the sofa with a lifting headrest disclosed in the second embodiment of the present utility model has a structure substantially the same as that of the first embodiment, and is different in that the driving assembly 6, the driving assembly 6 is disposed at the inner lower portion of the backrest 2, the driving assembly 6 drives the lifting assembly 5 to move, the driving assembly 6 includes a fixing frame 61, a rotating shaft 64 is rotatably connected to the middle portion of the fixing frame 61, a gear 63 is fixedly connected to the middle portion of the outer periphery of the rotating shaft 64, the gear 63 drives a rack 52 to move, a worm 66 is rotatably connected to the middle portion of the front side of the fixing frame 61, the worm 66 drives a worm gear 65 to rotate, the worm gear 65 is mounted at the front end of the rotating shaft 64, a stepper motor 62 is fixedly connected to one side of the fixing frame 61 close to the guide plate 53, and the stepper motor 62 drives the worm 66 to rotate, so that the worm gear 65 can drive the rotating shaft 64 to rotate due to the characteristics of the worm gear 65 and the rack 52 are meshed with each other, at this time, the lifting or lowering of the headrest 52 can be achieved, and the lifting or lowering of the body 4 can be achieved.

The scheme is specifically as follows: in the in-service use, the user sits on sofa body 1, when user's head leans on to headrest body 4, at this moment under the mutual cooperation of flexible cushion 42 and spring 43, can reduce the impact of head to headrest body 4, be favorable to improving user's travelling comfort, simultaneously, through control step motor 62, step motor 62 can drive worm 66 rotation this moment, and then make worm wheel 65 take place to rotate, under the cooperation of pivot 64, make gear 63 can take place to rotate, because gear 63 and rack 52 intermesh, at this moment, can realize that rack 52 rises or descends, the user of facilitating the use adjusts the height of headrest body 4, be favorable to adapting to the user of different sizes, the comfort level of headrest body 4 has been improved.

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 (4)

1. Sofa with lift headrest, its characterized in that: the sofa comprises:

the sofa comprises a sofa body (1), wherein a backrest (2) is arranged at the rear part of the sofa body (1), open slots (3) are symmetrically formed in the top of the backrest (2), a lifting assembly (5) is arranged in the backrest (2), and the lifting assembly (5) drives a headrest body (4) to move;

the driving assembly (6) is arranged at the inner lower part of the backrest (2), and the driving assembly (6) drives the lifting assembly (5) to move;

the lifting assembly (5) comprises a plurality of groups of fixed frames (51), the fixed frames (51) are respectively arranged at two sides of the inner middle part of the backrest (2), a rack (52) is connected in a sliding manner in one side of the fixed frames (51), and a guide plate (53) is connected in a sliding manner in the other side of the fixed frames (51);

the guide plate (53) and the top of the rack (52) are respectively arranged at two sides of the lower part of the headrest body (4), and the guide plate (53) and the rack (52) are both in sliding connection in the open slot (3).

2. A sofa with lifting headrest as claimed in claim 1, wherein: the front side of the top end in the headrest body (4) is symmetrically provided with a mounting plate (41), one side, close to each other, of the mounting plate (41) is rotationally connected with a flexible cushion (42), the rear side of the bottom end of the flexible cushion (42) is symmetrically provided with a spring (43), and the bottom ends of the springs (43) are respectively and fixedly connected with the rear side of the top end in the headrest body (4).

3. A sofa with lifting headrest as claimed in claim 1, wherein: the driving assembly (6) comprises a fixing frame (61), a rotating shaft (64) is rotatably connected to the middle part in the fixing frame (61), a gear (63) is fixedly connected to the middle part of the periphery of the rotating shaft (64), and the gear (63) drives the rack (52) to move.

4. A sofa with lifting headrest as claimed in claim 3, wherein: the middle part of the front side of the fixing frame (61) is rotationally connected with a worm (66), the worm (66) drives a worm wheel (65) to rotate, the worm wheel (65) is arranged at the front end of a rotating shaft (64), one side of the fixing frame (61) close to the guide plate (53) is fixedly connected with a stepping motor (62), and the stepping motor (62) drives the worm (66) to rotate.