CN220557686U

CN220557686U - Ergonomic chair

Info

Publication number: CN220557686U
Application number: CN202322117088.2U
Authority: CN
Inventors: 王星; 蒋亚琼; 赵海波; 李春平; 王大秋
Original assignee: Zhejiang Mojia Smart Home Co ltd
Current assignee: Zhejiang Mojia Smart Home Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-08
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses an ergonomic chair, which belongs to the technical field of ergonomic chairs and comprises a seat plate, an L-shaped elastic plate and a movable back plate; the movable backboard is slidably arranged on the front side surface of the L-shaped elastic board; an arc-shaped elastic arch bar is arranged between the bottom end of the L-shaped elastic plate and the upper surface of the seat plate; arc waist protection plates are symmetrically arranged on two sides of the movable backboard in a sliding manner; the L-shaped elastic plate is connected with the movable backboard through a driving connecting piece; the driving connecting piece drives the two arc waist protection plates to be relatively close to or far away from each other, and the driving connecting piece synchronously drives the L-shaped elastic plate to move up and down on the side surface of the movable backboard. According to the utility model, the two arc waist protection plates are stretched to two sides, so that the arc waist protection plates can provide comfortable placement positions of the arms for a user; meanwhile, the movable sliding block is driven to slide upwards; realize the drive and remove the backplate and upwards slide, and then adjust the crookedness of arc elasticity arch bar in order to adapt to the demand of lying down the rest, convenient practicality.

Description

Ergonomic chair

Technical Field

The utility model relates to the technical field of ergonomic seats, in particular to an ergonomic seat.

Background

The ergonomic chair is a novel environment-friendly health chair commonly applied to modern families, entertainment, internet cafes, hotels, leisure, meeting rooms, office computer desks and the like. The back plate of an ergonomic chair is often able to rotate around the seat plate to accommodate and meet the needs of the user for lying down for rest. The back plate of the existing artificial seat is often provided with an arc-shaped elastic arch plate for assisting a user in straightening the sitting posture, and the arch plate is favorable for straightening the sitting posture of the user; but still has the drawback, when the user lies down and rest, the demand of lying down rest can not fine adaptation to arc elasticity arch bar, leads to the discomfort to waist top drum. In addition, arc waist protection plates are often arranged on two sides of the backboard of the existing ergonomic chair, and the arc waist protection plates are beneficial to protecting the waist when a user sits; however, when a user lies down for rest, the two arc-shaped waist-protecting plates are unfavorable for the user to relax, and the lying down user's arms are caused to be laid out without places. In order to solve the problems, the utility model provides an ergonomic chair.

Disclosure of Invention

Aiming at the technical defects, the utility model aims to provide an ergonomic chair, wherein an L-shaped elastic plate is connected with a movable backboard through a driving connecting piece; by stretching the two arc waist-protecting plates to two sides, the arc waist-protecting plates can provide comfortable placement positions of the arms; simultaneously, the curvature of the arc-shaped elastic arch plate is driven and adjusted to adapt to the requirement of lying down and resting; the problem that the arc-shaped elastic arch bar proposed in the background art cannot adapt to the lying down requirement and the arm of a user is placed without a position when lying down is solved.

In order to solve the technical problems, the utility model adopts the following technical scheme: the present utility model provides an ergonomic chair comprising: a seat plate, an L-shaped elastic plate and a movable back plate; the movable backboard is slidably arranged on the front side surface of the L-shaped elastic board; an arc-shaped elastic arch bar is arranged between the bottom end of the L-shaped elastic plate and the upper surface of the seat plate; arc waist protection plates are symmetrically arranged on two sides of the movable backboard in a sliding manner; the L-shaped elastic plate is connected with the movable backboard through a driving connecting piece; the driving connecting piece drives the two arc waist protection plates to be relatively close to or far away from each other, and the driving connecting piece synchronously drives the L-shaped elastic plate to move up and down on the side face of the movable backboard.

Preferably, the rear end of the seat board is hinged with two rotating rods; two vertical sliding grooves are formed in the bottom end of the movable backboard; the rotating rod is matched in the vertical chute in a sliding way; the top end of the vertical chute is connected with the top end of the rotating rod through a spring; two dwang are articulated through the bedplate rear end, simultaneously, dwang slidable mounting is in moving the backplate bottom and offer vertical spout to guarantee to remove the backplate and can be stable rotate around the bedplate rear end, realize that the user can lie down the demand of rest.

Preferably, two parallel horizontal sliding bars are arranged at one end of the arc waist-protecting plate; horizontal sliding grooves are symmetrically formed in two sides of the movable backboard; the horizontal sliding rod is correspondingly and slidably arranged in the horizontal sliding groove; the arc waist protection plate can be pulled away from the movable backboard through the sliding matching of the horizontal sliding rod in the horizontal sliding groove, so that the user is prevented from being restricted to rest when lying down; meanwhile, after the arc waist support plate is far away from the movable backboard, the movable backboard can be used for comfortable placement of the arm, and is convenient and practical.

Preferably, the rear side surface of the movable backboard is fixedly provided with a movable sliding block; one end of the movable slide block is fixedly provided with a T-shaped slide block; the front side surface of a vertical plate of the L-shaped elastic plate is provided with a T-shaped vertical chute; the T-shaped sliding block is slidably arranged on the T-shaped vertical sliding groove; the movable backboard is ensured to slide up and down along the vertical plate of the L-shaped elastic plate.

Preferably, the driving connection piece comprises a first L-shaped pull rod, a second L-shaped pull rod, a gear and a screw rod; the side surface of the movable sliding block is provided with a gear slot; two pull rod sliding holes which are symmetrical relative to the gear slot holes are formed in the side face of the movable sliding block; the screw rod and the movable sliding block are rotatably arranged; the gear is in threaded connection with the screw rod and is arranged in the gear slot hole; the cross bars of the first L-shaped pull rod and the cross bars of the second L-shaped pull rod are respectively and fixedly arranged on the outer side surfaces corresponding to the arc waist protection plates; the vertical rods of the first L-shaped pull rod and the second L-shaped pull rod are correspondingly and slidably arranged in the pull rod sliding hole respectively; a rack arranged on the inner side of the vertical rod of the first L-shaped pull rod is meshed with the gear; a rack arranged on the outer side of the vertical rod of the second L-shaped pull rod is meshed with the gear; the top end of a vertical plate of the L-shaped elastic plate is provided with a horizontal transverse block; the top end of the screw rod is fixed on the lower bottom surface of the horizontal transverse block; when the two arc waist protection plates stretch to two sides, the rack on the first L-shaped pull rod and the rack on the second L-shaped pull rod drive the gear to rotate, so that the movable sliding block is driven to slide upwards; realize the drive and remove the backplate and upwards slide, and then adjust the crookedness of arc elasticity arch bar in order to adapt to the demand of lying down the rest, convenient practicality.

The utility model has the beneficial effects that:

according to the utility model, when a user wants to lie down for rest, the two arc waist protection plates are stretched to two sides, so that the arc waist protection plates can avoid being bound when the user lies down and provide comfortable placement positions of arms; meanwhile, when the two arc waist protection plates stretch to two sides, the rack on the first L-shaped pull rod and the rack on the second L-shaped pull rod drive the gear to rotate, and then the movable sliding block is driven to slide upwards; realize the drive and remove the backplate and upwards slide, and then adjust the crookedness of arc elasticity arch bar in order to adapt to the demand of lying down the rest, convenient practicality.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an ergonomic chair according to an embodiment of the present utility model.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a cross-sectional view of A-A in fig. 2.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is a schematic structural view of the present utility model without the arc waist support plate and the driving connection member.

Fig. 6 is a schematic structural view of the arc waist support plate of the present utility model with the first L-shaped tie rod installed.

Fig. 7 is a schematic structural view of the arc waist support plate of the present utility model with the second L-shaped tie rod.

Fig. 8 is a schematic structural view of a driving connection member in the present utility model.

Reference numerals illustrate: the novel bicycle comprises a 1-seat plate, 11-rotating rods, 2-L-shaped elastic plates, 21-T-shaped vertical sliding grooves, 22-horizontal transverse blocks, 3-movable back plates, 31-vertical sliding grooves, 32-horizontal sliding grooves, 4-arc-shaped elastic arch plates, 5-arc-shaped waist protection plates, 51-horizontal sliding rods, 6-movable sliding blocks, 61-T-shaped sliding blocks, 62-gear slots, 63-pull rod sliding holes, 71-first L-shaped pull rods, 72-second L-shaped pull rods, 73-gears and 74-screw rods.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1 to 8, the present embodiment provides an ergonomic chair including: a seat plate 1, an L-shaped elastic plate 2 and a movable back plate 3; the movable backboard 3 is slidably arranged on the front side surface of the L-shaped elastic board 2; an arc-shaped elastic arch bar 4 is arranged between the bottom end of the L-shaped elastic plate 2 and the upper surface of the seat plate 1; arc waist protection plates 5 are symmetrically arranged on two sides of the movable backboard 3 in a sliding manner; the L-shaped elastic plate 2 is connected with the movable backboard 3 through a driving connecting piece; the driving connecting piece drives the two arc waist protection plates 5 to be relatively close to or far away from each other, and the driving connecting piece synchronously drives the L-shaped elastic plate 2 to move up and down on the side surface of the movable backboard 3.

Referring to the figure, the rear end of the seat board 1 is hinged with two rotating rods 11; two vertical sliding grooves 31 are formed in the bottom end of the movable backboard 3; the rotating rod 11 is matched in the vertical sliding chute 31 in a sliding way; the top end of the vertical chute 31 is connected with the top end of the rotating rod 11 through a spring; two dwang 11 are articulated through bedplate 1 rear end, simultaneously, dwang 11 slidable mounting is in moving backplate 3 bottom and offer vertical spout 31 to guarantee to remove backplate 3 and can be stable around bedplate 1 rear end rotation, realize the demand that the user can lie down the rest.

Referring to the figure, two parallel horizontal sliding rods 51 are installed at one end of the arc waist-protecting plate 5; horizontal sliding grooves 32 are symmetrically formed in two sides of the movable backboard 3; the horizontal sliding rod 51 is correspondingly and slidably arranged in the horizontal sliding groove 32; the arc waist-protecting plate 5 can be pulled away from the movable backboard 3 by sliding and matching the horizontal sliding rod 51 in the horizontal sliding groove 32, so that the user is prevented from being restricted to rest when lying down; meanwhile, after the arc waist protection plate 5 is far away from the movable backboard 3, the movable backboard can be used for comfortable placement of the arm, and is convenient and practical.

Referring to the figure, a movable slider 6 is fixedly installed on the rear side of the movable backplate 3; one end of the movable slide block 6 is fixedly provided with a T-shaped slide block 61; the front side surface of the vertical plate of the L-shaped elastic plate 2 is provided with a T-shaped vertical chute 21; the T-shaped sliding block 61 is slidably arranged in the T-shaped vertical sliding groove 21, so that the movable backboard 3 can slide up and down along the vertical plate of the L-shaped elastic plate 2; in fact, the corner of the L-shaped elastic plate 2 is an arc corner, so that the L-shaped elastic plate 2 can deform elastically; since the L-shaped elastic plate 2 is capable of being European elastically deformed, a user is provided with a need for lying down for rest. Further, the drive connection includes a first L-shaped pull rod 71, a second L-shaped pull rod 72, a gear 73, and a screw 74; the side surface of the movable slide block 6 is provided with a gear slot hole 62; two pull rod sliding holes 63 symmetrical to the gear slot holes 62 are formed in the side face of the movable sliding block 6; the screw 74 is rotatably mounted with the movable slider 6; the gear 73 is in threaded connection with the screw 74, and the gear 73 is arranged in the gear slot hole 62; the cross bars of the first L-shaped pull rod 71 and the cross bars of the second L-shaped pull rod 72 are respectively and fixedly arranged on the outer side surfaces corresponding to the arc-shaped waist-protecting plates 5; the vertical rod of the first L-shaped pull rod 71 and the vertical rod of the second L-shaped pull rod 72 are respectively and correspondingly slidably installed in the pull rod sliding hole 63; a rack arranged on the inner side of the vertical rod of the first L-shaped pull rod 71 is meshed with the gear 73; a rack arranged on the outer side of the vertical rod of the second L-shaped pull rod 72 is meshed with the gear 73; the top end of the vertical plate of the L-shaped elastic plate 2 is provided with a horizontal transverse block 22; the top end of the screw 74 is fixed on the lower bottom surface of the horizontal transverse block 22.

When a user wants to lie down for rest, the two arc waist protection plates 5 are stretched to two sides, so that the arc waist protection plates 5 can avoid being bound when the user lies down and provide comfortable placement positions of arms; meanwhile, when the two arc waist protection plates 5 stretch to two sides, the racks on the first L-shaped pull rod 71 and the racks on the second L-shaped pull rod 72 drive the gear 73 to rotate, so as to drive the movable sliding block 6 to slide upwards; realize the drive and remove backplate 3 upwards slip, and then adjust the crookedness of arc elasticity arch bar 4 in order to adapt to the demand of lying down rest, convenient practicality.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An ergonomic chair, comprising: a seat board (1), an L-shaped elastic board (2) and a movable back board (3); the movable backboard (3) is slidably arranged on the front side surface of the L-shaped elastic board (2); an arc-shaped elastic arch board (4) is arranged between the bottom end of the L-shaped elastic board (2) and the upper surface of the seat board (1); arc waist protection plates (5) are symmetrically arranged on two sides of the movable backboard (3) in a sliding manner; the L-shaped elastic plate (2) is connected with the movable backboard (3) through a driving connecting piece; the driving connecting piece drives the two arc waist protection plates (5) to be relatively close to or far away from each other, and the driving connecting piece synchronously drives the L-shaped elastic plates (2) to move up and down on the side face of the movable backboard (3).

2. Ergonomic chair according to claim 1, characterized in that the rear end of the seat plate (1) is hinged with two swivel rods (11); two vertical sliding grooves (31) are formed in the bottom end of the movable backboard (3); the rotating rod (11) is matched in the vertical chute (31) in a sliding way; the top end of the vertical sliding groove (31) is connected with the top end of the rotating rod (11) through a spring.

3. Ergonomic chair according to claim 2, characterized in that said arched waist-guard (5) is provided at one end with two parallel horizontal sliding bars (51); horizontal sliding grooves (32) are symmetrically formed in two sides of the movable backboard (3); the horizontal sliding rod (51) is correspondingly and slidably arranged in the horizontal sliding groove (32).

4. An ergonomic chair according to claim 3, characterized in that the rear side of the mobile back-plate (3) is fixedly equipped with a mobile slider (6); one end of the movable slide block (6) is fixedly provided with a T-shaped slide block (61); the front side surface of a vertical plate of the L-shaped elastic plate (2) is provided with a T-shaped vertical chute (21); the T-shaped sliding block (61) is slidably arranged on the T-shaped vertical sliding groove (21).

5. The ergonomic chair of claim 4 wherein said drive connection comprises a first L-shaped link (71), a second L-shaped link (72), a gear (73), and a threaded rod (74); the side surface of the movable sliding block (6) is provided with a gear slot hole (62); two pull rod sliding holes (63) which are symmetrical relative to the gear slot holes (62) are formed in the side face of the movable sliding block (6); the screw (74) is rotatably arranged with the movable slide block (6); the gear (73) is in threaded connection with the screw (74) and the gear (73) is arranged in the gear slot hole (62); the cross bars of the first L-shaped pull rod (71) and the cross bars of the second L-shaped pull rod (72) are respectively and fixedly arranged on the outer side surfaces of the corresponding arc waist-protecting plates (5); the vertical rods of the first L-shaped pull rod (71) and the second L-shaped pull rod (72) are correspondingly and slidably arranged in the pull rod sliding hole (63) respectively; a rack arranged on the inner side of the vertical rod of the first L-shaped pull rod (71) is meshed with the gear (73); a rack arranged at the outer side of the vertical rod of the second L-shaped pull rod (72) is meshed with the gear (73); a horizontal transverse block (22) is arranged at the top end of a vertical plate of the L-shaped elastic plate (2); the top end of the screw rod (74) is fixed on the lower bottom surface of the horizontal transverse block (22).