CN215076926U

CN215076926U - Office chair

Info

Publication number: CN215076926U
Application number: CN202022811285.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Chongqing Yunshang Industrial Co ltd
Current assignee: Chongqing Yunshang Industrial Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-12-10
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses an office seat belongs to seat design technical field. The device includes: seat, waist hold in the palm and fixing device, the seat includes first landing leg, second landing leg, seat and the back of the chair, first landing leg with the second landing leg respectively fixed connection be in the seat is with the both ends of one side, first landing leg with the second landing leg is two, and the symmetry sets up respectively the both sides of seat, back of the chair fixed connection be in the seat is located on one end of second landing leg, the beneficial effects of the utility model are that: the rotation post is driven through the motor to rotate so that the waist of a user can receive thrust all the time, the waist of the massage user can be well achieved through the convex points on the waist support, the silica gel heating sheet in the soft rubber pad can provide heat during massage, and blood circulation of the waist of the user is accelerated, so that fatigue of the waist of the user is relieved well.

Description

Office chair

Technical Field

The utility model relates to a seat design technical field, in particular to office chair.

Background

Along with the development of society, more and more people begin to gather in the city, more and more people begin to work in the office, and because the condition that more and more office staff have appeared in the office of sitting for a long time, and wherein more reason all is that the waist support of office's seat itself can not fine play the effect of holding up the waist, and then make the staff appear the position of sitting and cause waist damage for a long time, and the waist support among the prior art often is simply placed behind user's waist and does not use other fixed function or massage function.

In summary, the waist support of the office chair in the prior art cannot well support the waist of the user, and the waist support in the prior art does not have a fixing function and a massaging function.

SUMMERY OF THE UTILITY MODEL

The utility model provides an office chair, the waist that can solve the current office chair that exists among the prior art holds in the palm can not be fine hold up user's waist, and the waist among the prior art holds in the palm the problem that does not have fixed function and massage function.

An office chair comprising:

the seat comprises a first supporting leg, a second supporting leg, a seat surface and a seat back, wherein the first supporting leg and the second supporting leg are respectively and fixedly connected to two ends of the same side of the seat surface;

the waist support comprises a rotating column, a first side wall, a second side wall, a soft rubber pad and a motor, the cross section of the rotating column is oval, one end of the rotating column is in transmission connection with a connecting shaft, one end of the connecting shaft is in transmission connection with the rotating column, the other end of the connecting shaft is in rotatable connection with the second side wall, one end of the rotating column, far away from the connecting shaft, is provided with a cavity, the cavity is cylindrical, and the inner wall of the cavity is uniformly and fixedly connected with gear teeth along the circumferential direction; the motor is fixedly connected to the first side wall, the output end of the motor is in transmission connection with a driving wheel, the driving wheel is meshed with the gear teeth, two ends of the soft rubber pad are respectively and fixedly connected to the first side wall and the second side wall, and the motor is electrically connected with an external power supply;

fixing device is two, fixing device sets up respectively the both sides of seat, fixing device is in the first side wall with setting on the second side wall is identical completely, fixing device includes sleeve, head rod, second connecting rod and plug, sleeve fixed connection be in on the lateral wall of seat, sleeve slidable cover is established on the head rod, the one end fixed connection of head rod is in on the first side wall, the other end with the second connecting rod ball articulates together, the plug with second connecting rod fixed connection is in the same place, a plurality of through-holes have been seted up along vertical direction on the second landing leg, the through-hole with the plug cooperatees.

Preferably, a plurality of bumps are uniformly and fixedly connected to the surface of the soft rubber pad.

Preferably, the soft rubber pad is internally and fixedly connected with a silica gel heating plate, and the silica gel heating plate is electrically connected with an external power supply.

Preferably, the bottom ends of the first supporting leg and the second supporting leg are fixedly connected with anti-skid rubber pads.

Preferably, the number of teeth of the gear is twice the number of teeth of the driving gear.

The utility model has the advantages that: the rotation post is driven through the motor to rotate so that the waist of a user can receive thrust all the time, the waist of the massage user can be well achieved through the convex points on the waist support, the silica gel heating sheet in the soft rubber pad can provide heat during massage, and blood circulation of the waist of the user is accelerated, so that fatigue of the waist of the user is relieved well.

Drawings

FIG. 1 is a schematic diagram of an office chair provided by the present invention,

figure 2 is a front view of a waist support in an office chair provided by the utility model,

FIG. 3 is a cross-sectional view of a waist support of an office chair provided by the utility model,

fig. 4 is a schematic structural view of a waist support in an office chair provided by the present invention.

Description of reference numerals:

1-seat, 2-waist support, 3-fixing device, 11-first leg, 111-antiskid rubber pad, 12-second leg, 13-seat surface, 14-seat back, 21-rotating column, 22-cavity, 221-gear tooth, 23-motor, 231-driving wheel, 24-connecting shaft, 25-soft rubber pad, 251-salient point, 252-silica gel heating sheet, 26-first side wall, 27-second side wall, 31-sleeve, 32-first connecting rod, 33-second connecting rod, 34-plug and 35-through hole.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

As shown in fig. 1 to 4, an office chair provided in an embodiment of the present invention includes a chair 1, a waist support 2 and a fixing device 3, the chair 1 includes a first leg 11, a second leg 12, a seat 13 and a chair back 14, the first leg 11 and the second leg 12 are respectively and fixedly connected to two ends of the same side of the seat 13, the first leg 11 and the second leg 12 are two and are respectively and symmetrically disposed on two sides of the seat 13, the chair back 14 is fixedly connected to one end of the seat 13 located on the second leg 12;

the waist support 2 comprises a rotating column 21, a first side wall 26, a second side wall 27, a soft rubber pad 25 and a motor 23, the cross section of the rotating column 21 is oval, one end of the rotating column 21 is in transmission connection with a connecting shaft 24, one end of the connecting shaft 24 is in transmission connection with the rotating column 21, the other end of the connecting shaft 24 is in rotatable connection with the second side wall 27, one end of the rotating column 21, which is far away from the connecting shaft 24, is provided with a cavity 22, the cavity 22 is cylindrical, and the inner wall of the cavity 22 is uniformly and fixedly connected with gear teeth 221 along the circumferential direction; the motor 23 is fixedly connected to the first side wall 26, the output end of the motor 23 is in transmission connection with a driving wheel 231, the driving wheel 231 is meshed with the gear teeth 221, two ends of the soft rubber pad 25 are respectively and fixedly connected to the first side wall 26 and the second side wall 27, and the motor 23 is electrically connected with an external power supply;

fixing device 3 is two, fixing device 3 sets up the both sides at seat 13 respectively, fixing device 3 sets up completely unanimously on first lateral wall 26 and second lateral wall 27, fixing device 3 includes sleeve 31, head rod 32, second connecting rod 33 and plug 34, sleeve 31 fixed connection is on the lateral wall of seat 13, sleeve 31 slidable cover is established on head rod 32, the one end fixed connection of head rod 32 is on first lateral wall 26, the other end is in the same place with the ball-hinged of second connecting rod 33, plug 34 is in the same place with second connecting rod 33 fixed connection, a plurality of through-holes 35 have been seted up along vertical direction on the second landing leg 12, through-hole 35 cooperatees with plug 34.

The present invention preferably has a plurality of bumps 251 uniformly and fixedly connected to the surface of the soft rubber pad 25.

The utility model discloses a preferred embodiment, fixedly connected with silica gel heating plate 252 in the rubber hose 25, silica gel heating plate 252 is connected with the external power supply electricity.

The utility model discloses a preferred embodiment, the equal fixedly connected with in bottom anti-skidding rubber pad 111 of first landing leg 11 and second landing leg 12.

The present invention preferably has an embodiment in which the number of teeth 221 is twice the number of teeth of the driving wheel 231.

The working principle is as follows: the motor 23 is started, the motor 23 rotates to drive the driving wheel 231 to rotate, the driving wheel 231 is meshed with the gear teeth 221 on the rotating column 21, when the driving wheel 231 rotates, the rotating post 21 is driven to rotate, the rotating post 21 is an elliptic cylindrical structure, when the user sits on the seat 1, the waist part of the waist support is pressed against the waist support 2, and the surface of the waist support 2 is made of soft rubber and has a certain deformation amount, when pressed by the waist of the user, the soft rubber pad 25 is always attached to the surface of the rotary column 21, when the rotary column 21 is driven by the motor 23 to rotate, the joint point of the soft rubber pad 25 and the rotary column 21 is changed from the short side of the rotary column 21 to the long side, and the waist of the user is discontinuously subjected to a thrust force by the circulation, thereby achieving the effect of massaging the waist, wherein, the convex points 251 arranged on the surface of the soft rubber pad 25 can better stimulate the waist muscle, so that the massage effect is better; the silica gel heating sheet 252 arranged inside the soft rubber pad 25 can heat the soft rubber pad 25 to provide heat for the waist of a user, so that the blood circulation of the waist is accelerated when the waist is used, and the fatigue of the waist of the user is relieved better;

fixing device 3 can play the effect of adjusting the height of waist support 2 and fixed waist support 2, waist support 2 both sides all are provided with fixing device 3, make waist support 2 can not appear deflecting at the during operation, only need extract plug 34 from through-hole 35 when needs are held in the palm 2 height-adjusting with the waist, wherein head rod 32 is ball-hinged with second connecting rod 33, consequently second connecting rod 33 has about and two ascending degrees of freedom in side, so can extract from through-hole 35 with second connecting rod 33 fixed connection's plug 34, extract plug 34 and pull up back waist support 2 after suitable position and insert plug 34 again and can accomplish the height-adjusting after pulling out plug 34, extract plug 34 from through-hole 35 in order to make things convenient for, can set up the aperture of through-hole 35 for being a bit bigger than plug 34's diameter.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. The office chair is characterized by comprising a chair (1), a waist support (2) and a fixing device (3), wherein the chair (1) comprises a first supporting leg (11), a second supporting leg (12), a chair surface (13) and a chair back (14), the first supporting leg (11) and the second supporting leg (12) are respectively and fixedly connected to two ends of the same side of the chair surface (13), the first supporting leg (11) and the second supporting leg (12) are respectively and symmetrically arranged on two sides of the chair surface (13), and the chair back (14) is fixedly connected to one end, located on the second supporting leg (12), of the chair surface (13);

the waist support (2) comprises a rotating column (21), a first side wall (26), a second side wall (27), a soft rubber pad (25) and a motor (23), the cross section of the rotating column (21) is oval, one end of the rotating column (21) is in transmission connection with a connecting shaft (24), one end of the connecting shaft (24) is in transmission connection with the rotating column (21), the other end of the connecting shaft is in rotatable connection with the second side wall (27), one end of the rotating column (21), which is far away from the connecting shaft (24), is provided with a cavity (22), the cavity (22) is cylindrical, and gear teeth (221) are uniformly and fixedly connected to the inner wall of the cavity (22) along the circumferential direction; the motor (23) is fixedly connected to the first side wall (26), the output end of the motor (23) is in transmission connection with a driving wheel (231), the driving wheel (231) is meshed with the gear teeth (221), two ends of the soft rubber pad (25) are respectively and fixedly connected to the first side wall (26) and the second side wall (27), and the motor (23) is electrically connected with an external power supply;

the two fixing devices (3) are respectively arranged on two sides of the chair surface (13), the fixing devices (3) are arranged on the first side wall (26) and the second side wall (27) completely and consistently, each fixing device (3) comprises a sleeve (31), a first connecting rod (32), a second connecting rod (33) and a plug (34), the sleeves (31) are fixedly connected to the side walls of the chair surface (13), the sleeves (31) are slidably sleeved on the first connecting rods (32), one ends of the first connecting rods (32) are fixedly connected to the first side walls (26), the other ends of the first connecting rods (26) are hinged to the second connecting rods (33) in a ball joint mode, the plug (34) is fixedly connected to the second connecting rods (33), and a plurality of through holes (35) are formed in the second supporting legs (12) in the vertical direction, the through hole (35) is matched with the plug (34).

2. An office chair as claimed in claim 1, characterised in that a plurality of protrusions (251) are fixedly attached to the surface of said soft rubber pad (25) uniformly.

3. An office chair as claimed in claim 1, wherein a silicone heating plate (252) is fixedly connected in the soft rubber pad (25), and the silicone heating plate (252) is electrically connected to an external power supply.

4. An office chair as claimed in claim 1, characterised in that the bottom ends of the first leg (11) and the second leg (12) are each fixedly connected with a non-slip rubber pad (111).

5. An office chair according to claim 1, characterized in that the number of teeth of the gear teeth (221) is twice the number of teeth of the driving gear (231).