CN219289064U

CN219289064U - Automatically controlled regulation waist is leaned on and office chair

Info

Publication number: CN219289064U
Application number: CN202223034188.0U
Authority: CN
Inventors: 尤兆根; 韩建锐
Original assignee: Foshan Sitzone Furniture Co ltd
Current assignee: Guangdong Jingyi Furniture Co.,Ltd.
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-07-04
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses an electric control adjusting lumbar support and an office seat, wherein the electric control adjusting lumbar support comprises a fixed plate; the lifting device is arranged on the fixed plate; the waist rest is arranged at the movable end of the lifting device, and the lifting device can drive the waist rest to reciprocate up and down. The office chair comprises the electric control adjusting waist rest, and the electric control adjusting waist rest is arranged on the chair back; the controller is connected with the lifting device; and the external remote controller is connected with the controller.

Description

Automatically controlled regulation waist is leaned on and office chair

Technical Field

The utility model relates to the technical field of seats, in particular to an electric control adjusting waist rest and an office seat.

Background

Most workers in the market all carry out some writing work in office buildings at present, work is generally solved by using a computer, the workers need to sit for a long time in front of the computer, and the workers lack of movement after going to work for half a day after sitting, so that different parts of the body such as the waist are damaged to different degrees, the body is tired, and the work efficiency is reduced. Therefore, when modern people basically use office chairs, the waist rest or the back rest can be placed at the back rest of the chair to adjust the comfort degree of the waist, or the office chair with the waist rest is used, but most of the existing office chairs are fixed chairs, are suitable for working of workers, are not suitable for long-time sitting, are easy to cause harm to the body and cause discomfort to the waist of a human body.

The existing office chair is provided with a waist rest, one is incapable of being adjusted, so that the use requirements of various different users cannot be met; the other is to manually adjust the device by a joystick, which is troublesome to adjust and requires the user to adjust repeatedly to the position meeting the personal requirement.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electric control adjusting lumbar support and the office chair, which are convenient for a user to adjust the position of the lumbar support according to the self needs, do not need the repeated adjustment of the user, and can meet the use demands of various body type users.

In a first aspect, an electronically controlled adjustment lumbar support according to an embodiment of the present utility model comprises:

a fixing plate;

the lifting device is arranged on the fixed plate;

the waist rest is arranged at the movable end of the lifting device, and the lifting device can drive the waist rest to reciprocate up and down.

The electric control adjusting lumbar support has at least the following beneficial effects: the waist rest is integrally fixed on the back of the seat, wherein the waist rest automatically moves up and down through the lifting device so as to adjust the position of the waist rest compared with the back of a user. The user is through operating remote controller or control panel for elevating gear drives the waist and leans on the removal, makes the user only need sit on the seat and can adjust the position of waist leaning on at any time convenient, need not manual operation.

According to the electric control adjusting lumbar support, the lifting device comprises a lifting drive and a guide rod, the guide rod is connected to the lifting drive, and the lumbar support is connected with the guide rod.

According to the electric control adjusting lumbar support, the guide rod is the screw rod, the lumbar support is in threaded connection with the guide rod, the screw rod is precise in transmission, adjustment and matching of the lumbar support and the lumbar position of a user are facilitated, and the use experience of the user and the comfort level of the lumbar are improved.

According to the electric control adjusting lumbar support, lifting drive is a miniature stepping motor. On one hand, the miniature stepping motor has smaller volume, and can meet the lifting power requirement and avoid the overlarge weight and volume of the seat at the same time; on the other hand, the stepping motor outputs precisely, so that the stepping motor can better correspond to the waist when the waist is used for adjusting the position, and the use experience of a user is provided.

According to the electric control adjusting lumbar support, the lifting device further comprises a mounting bracket, the mounting bracket comprises a first mounting groove and guide sliding rails which are respectively arranged on two sides of the first mounting groove, the lifting drive is arranged in the first mounting groove, and the guide rod penetrates out of a through hole at the bottom of the first mounting groove.

According to the electric control adjusting lumbar support, the lumbar support comprises a lumbar support plate and a connecting plate arranged on the lumbar support plate, two side edges of the connecting plate are bent towards the middle of the connecting plate to form guide sliding grooves, the guide sliding grooves are connected with guide sliding rails in a matched mode, and the guide sliding grooves and the guide sliding rails play a guide role in lumbar support movement.

According to the electric control adjusting lumbar support, the middle part of the connecting plate is provided with the second mounting groove, the second mounting groove is internally provided with the connecting gasket, and the guide rod sequentially penetrates through the through hole at the top of the second mounting groove, the threaded hole of the connecting gasket and the through hole at the bottom of the second mounting groove.

According to the electric control adjusting lumbar support, the connecting block is arranged on the fixing plate, and one end, away from the first mounting groove, of the guide sliding rail is fixedly connected with the connecting block. The connecting block plays a constraint role in the downward movement end position of the lumbar support.

According to the electric control adjusting lumbar support, one end of the guide sliding rail, which is close to the first mounting groove, is provided with the limiting step. The connecting block plays a constraint role in the upward movement end position of the lumbar support.

In a second aspect, an office chair according to an embodiment of the present utility model includes: the electric control adjusting lumbar support is arranged on the chair back; the controller is connected with the lifting device; and the external remote controller is connected with the controller.

The office chair provided by the embodiment of the utility model has at least the following beneficial effects:

the waist rest is integrally fixed on the back of the seat, wherein the waist rest automatically moves up and down through the lifting device so as to adjust the position of the waist rest compared with the back of a user. The user is through operating the remote controller for elevating gear drives the waist and leans on the removal, makes the user only need sit on the seat and can adjust the position of waist leaning on at any time convenient, need not manual operation.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an exploded view of an electronically controlled adjustment lumbar support according to an embodiment of the present utility model;

FIG. 2 is an isometric view of an electronically controlled adjustment lumbar support according to an embodiment of the present utility model;

FIG. 3 is an isometric view of a lumbar support according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a lumbar support according to an embodiment of the present utility model;

fig. 5 is an isometric view of a mounting bracket according to an embodiment of the present utility model.

Reference numerals illustrate:

a fixing plate 1; a connection block 11;

a lumbar support 2; a lumbar support plate 21; a connection plate 22; a guide chute 221; a second mounting groove 222; a U-shaped connecting rod 23;

a lifting drive 3;

a guide rod 4;

a mounting bracket 5; a first mounting groove 51; a guide rail 52; a limit step 521;

and a connection pad 6.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the utility model, the meaning of a number is one or more, the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 5, the present application provides an electronically controlled adjustment lumbar support according to a first embodiment, comprising a fixed plate 1; the lifting device is arranged on the fixed plate 1; the waist rest 2 is arranged at the movable end of the lifting device, and the lifting device can drive the waist rest 2 to reciprocate up and down.

The application also provides an office chair with the electric control adjusting lumbar support, which comprises the electric control adjusting lumbar support arranged on the chair back; the controller is connected with the lifting device; and the external remote controller is connected with the controller.

The waist rest 2 is integrally fixed on the back of the chair, wherein the waist rest 2 automatically moves up and down through the lifting device so as to adjust the position of the waist rest 2 compared with the back of the user. The user is through operating the remote controller for elevating gear drives lumbar support 2 and removes, makes the user only need sit on the seat and can conveniently adjust lumbar support 2's position at any time, need not manual operation.

According to some embodiments of the present application, as shown, the lifting device includes a lifting drive 3 and a guide bar 4, the guide bar 4 is connected to the lifting drive 3, and the lumbar support 2 is connected to the guide bar 4. The lifting device further comprises a mounting bracket 5, the mounting bracket 5 comprises a first mounting groove 51 and guide sliding rails 52 which are respectively arranged on two sides of the first mounting groove 51, the lifting drive 3 is arranged in the first mounting groove 51, and the guide rod 4 penetrates out of a through hole at the bottom of the first mounting groove 51.

In addition, the guide bar 4 of this application prefers the lead screw, and waist leans on 2 and guide bar 4 threaded connection, and the lead screw transmission is accurate, more is favorable to waist lean on 2 and the adjustment of user's waist position to match, improves user's use experience and the comfort level of waist. While the lifting drive 3 is preferably a micro stepper motor. On one hand, the miniature stepping motor has smaller volume, and can meet the lifting power requirement and avoid the overlarge weight and volume of the seat at the same time; on the other hand, the stepping motor outputs precisely, so that the waist support 2 can better correspond to the waist when adjusting the position, and the use experience of a user is provided.

According to some embodiments of the present application, as shown in the figures, the lumbar support 2 includes a lumbar support plate 21 and a connection plate 22 disposed on the lumbar support plate 21, wherein two side edges of the connection plate 22 are bent toward the middle of the connection plate 22 to form a guide chute 221, the guide chute 221 is connected with a guide sliding rail 52 in a matching manner, and the guide chute 221 and the guide sliding rail 52 play a guiding role in the movement of the lumbar support 2.

Wherein, it should be noted that the lumbar support plate 21 is an arc plate design for the lumbar support plate 21 is whole to be more attached to the waist of the user, improving the use experience of the user.

In addition, connect through U type connecting rod 23 between waist backup pad 21 and the connecting plate 22, when user's waist was pressed in waist backup pad 21, U type connecting rod 23 can take place micro deformation, plays the cushioning effect, improves user's use experience.

According to some embodiments of the present application, as shown in the drawing, the middle part of the connecting plate 22 is provided with a second mounting groove 222, a connecting gasket 6 is arranged in the second mounting groove 222, and the guide rod 4 sequentially penetrates through a through hole at the top of the second mounting groove 222, a threaded hole for connecting the gasket 6 and a through hole at the bottom of the second mounting groove 222.

According to some embodiments of the present application, as shown in the drawings, the fixing plate 1 is provided with a connection block 11, and one end of the guide sliding rail 52 away from the first mounting groove 51 is fixedly connected with the connection block 11. The connection block 11 restrains the downward movement end position of the lumbar support 2. The guide rail 52 is provided with a limit step 521 at one end near the first mounting groove 51. The connection block 11 restrains the upward movement end position of the lumbar support 2. The connection block 11 and the limiting step 521 together constitute the movement range of the lumbar support 2.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronically controlled adjustment lumbar support, comprising:

a fixing plate;

the lifting device is arranged on the fixed plate;

2. An electrically controlled adjustable lumbar support according to claim 1, wherein the lifting means comprises a lifting drive and a guide bar, the guide bar being connected to the lifting drive, the lumbar support being connected to the guide bar.

3. An electrically controlled adjustable lumbar support according to claim 2, wherein the guide rod is a screw rod, and the lumbar support is threaded with the guide rod.

4. An electronically controlled adjustable lumbar support according to claim 2, wherein said lifting drive is a micro stepper motor.

5. The electrically controlled lumbar support according to claim 3, wherein the lifting device further comprises a mounting bracket, the mounting bracket comprises a first mounting groove and guide sliding rails respectively arranged at two sides of the first mounting groove, the lifting drive is arranged in the first mounting groove, and the guide rod penetrates out of a through hole at the bottom of the first mounting groove.

6. An electrically controlled adjustable lumbar support according to claim 5, comprising a lumbar support plate and a connecting plate disposed on the lumbar support plate, wherein the two side edges of the connecting plate are bent towards the middle of the connecting plate to form a guide chute, and the guide chute is in mating connection with the guide rail.

7. The electrically controlled adjusting lumbar support according to claim 6, wherein a second mounting groove is formed in the middle of the connecting plate, a connecting gasket is arranged in the second mounting groove, and the guide rod sequentially penetrates through a through hole in the top of the second mounting groove, a threaded hole in the connecting gasket and a through hole in the bottom of the second mounting groove.

8. The electrically controlled lumbar support according to claim 5, wherein the fixing plate is provided with a connecting block, and one end of the guide sliding rail away from the first mounting groove is fixedly connected with the connecting block.

9. The electrically controlled adjustable lumbar support according to claim 8, wherein the guide rail has a stop step at an end thereof adjacent to the first mounting slot.

10. An office chair, comprising:

an electronically controlled adjustment lumbar support according to any one of claims 1 to 9, said electronically controlled adjustment lumbar support being mounted to a chair back;

the controller is connected with the lifting device;

and the external remote controller is connected with the controller.