CN201492036U - Swivel chair with waist rest structure - Google Patents

Abstract

The utility model relates to a swivel chair with waist leans on structure, its back have holding surface and non-holding surface, and be provided with back of the body pad and bustle on this holding surface, this back of the body pad and this bustle mutually independent setting each other on this holding surface, wherein, this back of the body pad sets up the central point department at this holding surface, and corresponding with human back curve, this back of the body pad adopts the structure of screen cloth, has good gas permeability, and this bustle sets up a take the altitude to the evagination from this holding surface, and this bustle sets up the below at this back of the body pad, and corresponding with the indent curve of human waist, the utility model discloses a this back of the body pad separates with this bustle, and the elastic space of this bustle is bigger, lets the user more comfortable, makes human waist and this bustle more laminate, and this bustle has the hollow decorative pattern messenger this bustle more pleasing to the eye and have the characteristics of gas permeability.

Description

A swivel chair with a lumbar support structure

technical field

The utility model relates to a swivel chair, in particular to a swivel chair in which a back cushion and a lumbar cushion are arranged on the backrest, and the back cushion and the lumbar cushion are independently arranged on the backrest.

Background technique

As we all know, people need support and rest tools such as chairs to provide people with an appliance that can maintain a sitting posture at a specific location and at a specific height from the ground in their daily life or work. As far as people's understanding is concerned, the human body is usually more prone to fatigue when maintaining a standing posture, because the entire weight of the human body is borne by the legs when the human body maintains a standing posture, so it is difficult for people to lose weight while standing. A place maintains a long-term working state. Most of the working methods in society now use certain tools, which can reduce people's labor intensity. Under such a social background, chair-like appliances that can assist people to work for a long time are widely used in people's in life. For example, people are accustomed to placing chairs at positions such as dining tables and workbenches to facilitate people's production and life.

The above-mentioned chair-type appliance generally includes supporting legs, a seat and a backrest structurally, wherein the supporting legs are fixedly connected under the seat and support the seat at a specific height in space, When the human body sits on the seat, the human body is supported in a specific spatial position by means of the supporting legs and the seat, and the backrest is fixedly connected to the seat for the human body to lie on and supports the tilting force of the upper body of the human body . Most of its backrest parts of the above-mentioned chair are simple plank structures, and people will feel tired when the human body lies on such a backrest for only a short time. According to such situation, some chairs adopt the structural design of flexible material in the part of its backrest, although such structural design alleviates the sense of fatigue of human body, all can not fundamentally solve the problem. Because the back curve of the human body is concave at the waist position, the backrest of traditional chairs adopts an integrated structural design without distinguishing the back and waist of the human body, so traditional chairs exist The disadvantage of the unreasonable distribution of the backrest support surface.

Contents of the invention

The utility model provides a swivel chair with a lumbar support structure. The backrest is provided with a back pad and a lumbar pad. The back pad and the lumbar pad are independently arranged on the backrest. At the central position of the back surface, and corresponding to the back curve of the human body, the lumbar pad protrudes outward from the support surface to a certain height, and the lumbar pad is arranged below the back pad, and is in line with the concave shape of the waist of the human body. Corresponding to the curve, the back pad of the utility model is separated from the waist pad, the elastic space of the waist pad is larger, which makes the user more comfortable, and has a good air permeability structure, which is the main purpose of the utility model .

The technical solution adopted by the utility model is: a swivel chair with a lumbar support structure, which includes a chair foot, an air pressure rod, a chair seat and a backrest, wherein the chair foot is rotatably inserted into the lower end of the air pressure rod, The chair foot includes a plurality of supporting legs, each of which is connected to a roller at the end of the supporting leg, and several of the rollers are on the same level. The air pressure rod is connected with the control rod, and the control rod controls the expansion and contraction state of the air pressure rod. The seat seat is fixedly connected to the top of the air pressure rod, and the two sides of the seat seat are connected with armrests.

The backrest is connected to the seat, further, the backrest is connected to the seat through a connecting rod, the connecting rod is made of elastic material, the connecting rod includes a horizontal bar and a vertical bar, the horizontal bar and the The vertical bar is connected in an L shape, one end of the cross bar is connected to the seat, and the other end is connected to one end of the vertical bar, and the vertical bar is fixedly connected between the backrest and the cross bar.

The backrest has a supporting surface and a non-supporting surface, and a back pad and a lumbar pad are arranged on the supporting surface, and the back pad and the lumbar pad are independently arranged on the supporting surface, wherein the back pad is arranged on the The central position of the support surface corresponds to the back curve of the human body. The back pad adopts a mesh structure to make the back of the human body more breathable. The waist pad protrudes outward from the support surface to a certain height, and the back pad The lumbar pad is arranged below the back pad and corresponds to the concave curve of the waist of the human body. The back pad is separated from the lumbar pad. The elastic space of the lumbar pad is larger, making the user more comfortable and making the human body more comfortable. The waist fits better with the lumbar pad, and the lumbar pad has hollow patterns to make the lumbar pad more beautiful and has breathability. Further, two decorative nets are respectively arranged on the left and right sides below the waist pad on the support surface, and the decorative nets are located under the waist pad.

The beneficial effects of the utility model are: because the utility model includes a backrest, the backrest has a support surface and a non-support surface, and a back pad and a waist pad are arranged on the support surface, and the back pad and the waist pad are independent of each other. It is arranged on the support surface, wherein the back pad is arranged at the center of the support surface and corresponds to the back curve of the human body. The back pad adopts a mesh structure and has good air permeability. The lumbar pad protrudes outward from the supporting surface to a certain height, and the lumbar pad is arranged below the back pad, and corresponds to the concave curve of the waist of the human body. The back pad and the lumbar pad of the utility model Separated, the elastic space of the waist pad is larger, which makes the user more comfortable, and makes the waist of the human body fit the waist pad more closely.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is a side view of the utility model.

Detailed ways

As shown in FIGS. 1 to 3 , a swivel chair with a lumbar support structure includes a chair foot 10 , an air pressure rod 20 , a seat 30 and a backrest 40 .

Wherein, the chair foot 10 is rotatably inserted in the lower end of the air pressure rod 20, the chair foot 10 includes a plurality of supporting legs 11, and each end of the supporting leg 11 is connected with a roller 12, and the plurality of rollers 12 are in the same horizontal plane superior.

The air pressure rod 20 is connected between the chair foot 10 and the seat seat 30, and is used to telescopically change the distance between the chair foot 10 and the seat seat 30. The air pressure rod 20 is connected with a control rod 21, and the control rod 21 controls the expansion and contraction state of the air pressure rod 20.

The seat 30 is fixedly connected to the top of the air bar 20 , and the two sides of the seat 30 are connected with armrests 31 .

The backrest 40 is connected to the seat 30, further, the backrest 40 is connected to the seat 30 through a connecting rod 50, the connecting rod 50 is made of elastic material, the connecting rod 50 includes a cross bar 51 and Vertical bar 52, the cross bar 51 and the vertical bar 52 are connected in an L shape, one end of the cross bar 51 is connected to the seat 30, and the other end is connected to one end of the vertical bar 52, and the vertical bar 52 is fixed It is connected between the backrest 40 and the cross bar 51 .

As shown in Figures 2 to 3, the backrest 40 has a supporting surface 41 and a non-supporting surface 42, and a back pad 60 and a lumbar pad 70 are arranged on the supporting surface 41, the back pad 60 and the lumbar pad 70 are independent of each other set on the support surface 41, wherein the back pad 60 is set at the central position of the support surface 41, and corresponds to the back curve of the human body, and the back pad 60 adopts a mesh structure to make the back of the human body breathable Sex is better.

The waist pad 70 protrudes outward from the supporting surface 41 to a certain height, and the waist pad 70 is disposed below the back pad 60 and corresponds to the concave curve of the waist of the human body.

The back pad 60 is separated from the waist pad 70, and the elastic space of the waist pad 70 is larger, which makes the user more comfortable and makes the waist of the human body fit the waist pad 70 more closely. The waist pad 70 is more beautiful and has breathability.

Further, two decorative nets 81 , 82 are respectively arranged on the left and right sides below the waist pad 70 on the support surface 41 , and the decorations 81 , 82 are respectively positioned under the waist pad 70 . And an inner recess 90 is formed between the waist pad 70 and the decorations 81 and 82 to accommodate the waist of the human body.

Claims (3)

1. one kind has the swivel chair that waist leans on structure, it comprises the chair pin, air pressure rod, seat support and backrest, wherein, this chair pin is the rotating lower end that is plugged on this air pressure rod, this air pressure rod is connected between this chair pin and this seat support, this air pressure rod is connected with control lever, this seat support is fixedly connected on the top of this air pressure rod, the both sides of this seat support are connected with handrail, this backrest is connected on this seat support, it is characterized in that: this backrest has supporting surface and non-supporting surface, and be provided with back pad and bustle in this supporting surface, what this back pad and this bustle were mutually independent is arranged on this supporting surface, wherein, this back pad is arranged on the central position of this supporting surface, this bustle outwards is convexly equipped with out certain altitude from this supporting surface, and this bustle is arranged on the below of this back pad, further, left and right sides, this bustle below is respectively arranged with two decoration websites on this supporting surface, and this decorates respectively that net is positioned at this bustle below.

2. a kind of swivel chair with waist by structure as claimed in claim 1, it is characterized in that: this chair pin comprises that the end of some each these supporting legs of supporting leg all is connected with a roller, and some these rollers are on the same horizontal plane.

3. a kind of swivel chair as claimed in claim 2 with waist by structure, it is characterized in that: this backrest is connected on this seat support by connecting rod, this connecting rod comprises cross bar and montant, one end of this cross bar is connected on this seat support, and its other end is connected an end of this montant, and this montant is fixedly connected between this backrest and this cross bar.

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