CN220109437U

CN220109437U - Chair with adjustable backrest angle

Info

Publication number: CN220109437U
Application number: CN202320690293.5U
Authority: CN
Inventors: 范力扬
Original assignee: Dongguan Youchuang Furniture Co ltd
Current assignee: Dongguan Youchuang Furniture Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-12-01
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a chair with an adjustable backrest angle, which comprises a chair back, a chair seat, an angle rotation adjusting structure and a ventilation heating structure, wherein the chair back is rotationally connected with the chair seat, the chair back comprises a supporting framework, an upper backrest and a wrapping surface cloth, a sponge cushion is arranged in the wrapping surface cloth, the upper backrest is rotationally connected with the supporting framework, the angle rotation adjusting structure is arranged on the supporting framework, the upper backrest is in transmission connection with the angle rotation adjusting structure, the wrapping surface cloth is wrapped on the supporting framework and the upper backrest in an omnibearing manner, and the ventilation heating structure is arranged in the chair back.

Description

Chair with adjustable backrest angle

Technical Field

The utility model belongs to the technical field of living furniture, and particularly relates to a chair with an adjustable backrest angle.

Background

The chair is furniture for daily life, and is a seat with a backrest and armrests. Modern chairs are attractive and fashionable, and some chairs are not used as seats alone, so that the life of people is more convenient under the combination of science and technology. The chair includes a backrest and a base.

When the existing chair is used, the position of the head of a user above the chair back cannot be adjusted, and the user can sleep comfortably when sitting on the chair and sleeping while lying on the chair with the head at a certain angle, so that the adjustment of the position of the neck of the user is very important, the head of the user is in a comfortable state, and the chair with the adjustable backrest angle is required to be provided for use.

Disclosure of Invention

The utility model aims to provide a chair with an adjustable backrest angle, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a back angularly adjustable chair, includes back of the chair, seat support, angle rotation regulation structure and ventilation heating structure, the back of the chair is rotated with the seat support and is connected, the back of the chair includes braced frame, goes up back and parcel face cloth, be equipped with the foam-rubber cushion in the parcel face cloth, go up the back and rotate to connect on braced frame, angle rotation regulation structure sets up on braced frame, go up the back and rotate regulation structure transmission with the angle and be connected, the omnidirectional parcel of parcel face cloth is on braced frame and last back, ventilation heating structure sets up and is located the back of the chair.

Further technical scheme, angle rotation regulation structure includes backing plate, accommodate motor, first gear and second gear, the bottom of going up the back is equipped with the axis of rotation, it connects on supporting the skeleton to go up the back through the axis of rotation, the backing plate sets up on supporting the skeleton, accommodate motor sets up on the backing plate, first gear is connected with accommodate motor's main shaft, the bottom of going up the back is equipped with the mounting groove, the second gear is located the axis of rotation and is located the mounting groove, first gear and second gear engagement.

According to a further technical scheme, the horizontal end of the chair back is positioned in the supporting framework and is provided with a storage groove, the ventilation heating structure comprises a heating plate, and the heating plate is horizontally arranged in the storage groove.

Further technical scheme, ventilation heating structure still includes a plurality of first ventilation holes and a plurality of second ventilation holes, and a plurality of first ventilation holes are located the horizontal end department of parcel face cloth and are located the top of storage tank, and a plurality of second ventilation holes are located the back end of parcel face cloth.

According to a further technical scheme, the chair back is further provided with a thickened fabric which is detachably connected with the chair back.

According to a further technical scheme, the chair back is provided with two switches electrically connected with the adjusting motor.

The utility model has the beneficial effects that:

when the angle of the upper backrest is adjusted, a user presses down the two switches, so that the rotation of the adjusting motor is controlled, at the moment, the adjusting motor works to drive the first gear to rotate to drive the second gear to rotate, the second gear rotates to drive the rotating shaft to rotate on the supporting framework, the rotating shaft rotates to drive the upper backrest to rotate on the supporting framework, after the upper backrest is rotated to an optimal position suitable for the user, the adjusting motor stops rotating, and the upper backrest is adjusted to a position optimal for the head of the user, so that the neck and the head of the user are in the position optimal for sleeping, and discomfort of the neck of the user due to the fact that the positions of the neck and the head are not opposite after sleeping is avoided.

In winter, the heating plate heats the chair back, so that the use experience of a user is improved; when a plurality of first ventilation holes heat in winter for heat conducts upwards better, and when using in summer, a plurality of first ventilation holes ventilate the heat dissipation to the buttock of user, and a plurality of second ventilation holes can ventilate the heat dissipation to the back of user.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

Fig. 1: the first three-dimensional structure of the utility model is schematically shown.

Fig. 2: the second three-dimensional structure of the utility model is schematically shown.

Fig. 3: the three-dimensional structure schematic diagram of the angle rotation adjusting structure in the utility model.

Fig. 4: the three-dimensional structure schematic diagram of the ventilation heating structure in the utility model.

Fig. 5: the utility model is a partial three-dimensional structure schematic diagram.

Reference numerals: 1-a chair back; 11-a supporting framework; 12-upper backrest; 13-wrapping the surface fabric; 14-a storage tank; 2-an angle rotation adjustment structure; 21-backing plate; 22-adjusting the motor; 23-a first gear; 24-a second gear; 3-a seat; 4-heating the sheet; 5-a first vent; 6-a second vent; 7-thickening the cloth; 8-a rotation shaft.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Please refer to fig. 1-5; the utility model provides a back angularly adjustable chair, includes back of the chair 1, seat support 3, angle rotation regulation structure 2 and ventilation heating structure, back of the chair 1 sets up on seat support 3, back of the chair 1 rotates with seat support 3 to be connected, and the position of back of the chair 1 can rotate at will, back of the chair 1 includes braced frame 11, goes up back of the chair 12 and the parcel face cloth 13 of cortex, be equipped with the foam-rubber cushion in the parcel face cloth 13, go up back of the chair 12 and rotate to connect on braced frame 11, angle rotation regulation structure 2 sets up on braced frame 11, go up back of the chair 12 and angle rotation regulation structure 2 transmission to be connected, the parcel face cloth 13 omnidirectional parcel is on braced frame 11 and last back of the chair 12, ventilation heating structure sets up and is located back of the chair 1, and braced frame 11 is used for having foam-rubber cushion's parcel face cloth 13 to the support of parcel face cloth 13.

After a user sits on the chair, the back of the user leans against the chair back 1, when the head of the user leans against the upper backrest 12, and the angle of the upper backrest 12 is adjusted, the upper backrest 12 is driven to rotate on the supporting framework 11 through the work of the angle rotation adjusting structure 2, and the position of the upper backrest 12, which is best suitable for the head of the user when the upper backrest 12 is adjusted, so that the neck and the head of the user are in the position which is best suitable for sleeping, and discomfort of the neck of the user is not caused due to the fact that the positions of the neck and the head are not matched after sleeping.

In this embodiment, referring to fig. 3, the angle rotation adjustment structure 2 includes a pad 21, an adjustment motor 22, a first gear 23 and a second gear 24, where a rotation shaft 8 is disposed at the bottom of the upper backrest 12, the upper backrest 12 is rotatably connected to the support frame 11 through the rotation shaft, the pad 21 is disposed on the support frame 11, the adjustment motor 22 is disposed on the pad 21, the first gear 23 is connected with a main shaft of the adjustment motor 22, a mounting groove is disposed at the bottom of the upper backrest 12, the second gear 24 is disposed on the rotation shaft 8 and is disposed in the mounting groove, and the first gear 23 is meshed with the second gear 24; when the upper backrest 12 is subjected to angle adjustment, the wrapping cloth 13 is made of flexible materials, so that the upper backrest 12 can rotate along with the rotation of the upper backrest 12, and the rotation angle range of the upper backrest 12 is between 30 degrees of forward rotation and 30 degrees of backward rotation; when the angle of the upper backrest 12 is adjusted, a user presses down two switches to control the rotation of the adjusting motor 22, at the moment, the adjusting motor 22 works to drive the first gear 23 to rotate to drive the second gear 24 to rotate, the second gear 24 rotates to drive the rotating shaft to rotate on the supporting framework 11, the rotating shaft 8 rotates to drive the upper backrest 12 to rotate on the supporting framework 11, after the upper backrest 12 rotates to the optimal position suitable for the user, the adjusting motor 22 stops rotating, and the upper backrest 12 is adjusted to the position optimally suitable for the head of the user, so that the neck and the head of the user are in the position optimally suitable for sleeping, and discomfort of the neck of the user is not caused due to the fact that the neck and the head are not opposite in the position after sleeping.

In this embodiment, referring to fig. 4, a storage groove 14 is formed in the support frame 11 at the horizontal end of the seat back 1, the ventilation heating structure includes a heating plate 4, and the heating plate 4 is horizontally disposed in the storage groove 14; the heating plate 4 belongs to the prior art, and referring to the technology of the heating seat in the prior art, when winter, the heating plate 4 heats the chair back 1, so that the use experience of a user is improved.

In this embodiment, referring to fig. 4 and 5, the ventilation heating structure further includes a plurality of first ventilation holes 5 and a plurality of second ventilation holes 6, the plurality of first ventilation holes 5 are located at the horizontal end of the wrapping cloth 13 and above the storage slot 14, and the plurality of second ventilation holes 6 are located at the backrest end of the wrapping cloth 13; when the first ventilation holes 5 are used for heating in winter, heat is conducted upwards better, the first ventilation holes 5 ventilate and dissipate heat to buttocks of a user when the back of the user is used in summer, and the detachable connection can ventilate and dissipate heat to the back of the user.

In this embodiment, referring to fig. 2, the backrest 1 is further provided with a thickened fabric 7 detachably connected thereto; the thickened cloth 7 can keep warm in winter and also can increase the comfort level of the user.

In this embodiment, the chair back 1 is provided with two switches electrically connected with the adjusting motor 22; the two switches control the adjusting motor 22 to rotate forward and backward, respectively, and the angle of the upper backrest 12 can be adjusted by different switches.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A chair with an adjustable backrest angle, characterized in that: including back of the chair (1), seat (3), angle rotation regulation structure (2) and ventilation heating structure, back of the chair (1) and seat (3) rotate and are connected, back of the chair (1) is including braced frame (11), go up back of the chair (12) and parcel face cloth (13), be equipped with the foam-rubber cushion in parcel face cloth (13), go up back of the chair (12) and rotate and connect on braced frame (11), angle rotation regulation structure (2) set up on braced frame (11), go up back of the chair (12) and angle rotation regulation structure (2) transmission and be connected, the parcel of parcel face cloth (13) all-round parcel is on braced frame (11) and last back of the chair (12), ventilation heating structure sets up and is located back of the chair (1).

2. The chair with an adjustable back angle according to claim 1, wherein: the angle rotation adjusting structure (2) comprises a base plate (21), an adjusting motor (22), a first gear (23) and a second gear (24), a rotating shaft (8) is arranged at the bottom of the upper backrest (12), the upper backrest (12) is rotationally connected to a supporting framework (11) through the rotating shaft (8), the base plate (21) is arranged on the supporting framework (11), the adjusting motor (22) is arranged on the base plate (21), the first gear (23) is connected with a main shaft of the adjusting motor (22), a mounting groove is formed in the bottom of the upper backrest (12), the second gear (24) is located on the rotating shaft (8) and in the mounting groove, and the first gear (23) is meshed with the second gear (24).

3. The chair with an adjustable back angle according to claim 1, wherein: the horizontal end of the chair back (1) is positioned in the supporting framework (11) and is provided with a storage groove (14), the ventilation heating structure comprises a heating plate (4), and the heating plate (4) is horizontally arranged in the storage groove (14).

4. A chair with an adjustable back angle according to claim 3, wherein: the ventilation heating structure further comprises a plurality of first ventilation holes (5) and a plurality of second ventilation holes (6), wherein the plurality of first ventilation holes (5) are positioned at the horizontal end of the wrapping surface cloth (13) and above the storage groove (14), and the plurality of second ventilation holes (6) are positioned at the backrest end of the wrapping surface cloth (13).

5. The chair with an adjustable back angle according to claim 1, wherein: the chair back (1) is also provided with a thickening piece of cloth (7) which is detachably connected with the chair back.

6. The chair with an adjustable back angle according to claim 2, wherein: the chair back (1) is provided with two switches electrically connected with the adjusting motor (22).