CN210540017U

CN210540017U - Comfortable auditorium chair

Info

Publication number: CN210540017U
Application number: CN201921536760.9U
Authority: CN
Inventors: 丁德好; 梁庭兆
Original assignee: Guangzhou Rixing Furniture Co Ltd
Current assignee: Guangdong Yilang Intelligent Furniture Co.,Ltd.
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-19
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a comfortable auditorium chair, which comprises a chair frame, a seat cushion, a backrest and armrests, and is structurally characterized in that a seat board is arranged below the seat cushion, one end of the seat board, which is close to the backrest, is hinged on the chair frame, a cross support board is arranged below the seat board, the upper surface of the cross support board is hinged with a first telescopic device, the upper end of the first telescopic device is in contact with the lower surface of the seat board, and one end of the seat board, which is far away from the backrest, is provided with a cylindrical slot hole extending towards the backrest; the utility model has the advantages that: when need sit for a long time, accessible second telescoping device drives the layer board and removes to hold in the palm the pad and remove to the position of knee joint below, and the extension of accessible third telescoping device promotes to support the leg board and overturn, thereby props the support with the shank through supporting the leg board, thereby reduces the pressure that the knee joint received, the height of the front end of the first telescoping device adjustment bedplate of accessible simultaneously makes human backbone lean on the back completely, thereby increases the travelling comfort.

Description

Comfortable auditorium chair

Technical Field

The utility model belongs to the seat field, concretely relates to comfortable type auditorium chair.

Background

Chairs are a kind of daily life furniture, some of which are suitable for use in auditoriums, movie theaters, auditoriums, reporting halls, etc., without moving during use, and are called auditorium chairs. Auditorium chair, the majority is by the seat support, the back of the chair, handrail and chair foot four bibliographic categories divide and constitute the chair frame, chair foot and handrail structure becomes the integrative formation chair frame under general condition, its seat generally maintains and cleans conveniently, it is comfortable to use, it is indefatigable, the cushion form of adoption sofa formula under most conditions, but when sitting for a long time, can be because the not ventilation of thigh and buttock, cause the sweat to accumulate, and the cushion length of current auditorium chair is fixed, when the longer people of shank sits on the chair, only a part thigh is located the top of seatpad, just need support ground through the shank this moment, but when the long-time bending of joint knee, can cause the painful sense of joint, cause the fatigue of health even.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comfortable type auditorium chair that can increase comfort level.

In order to realize the purpose, the technical proposal adopted by the utility model is that the comfortable auditorium chair comprises a chair frame, a seat cushion, a backrest and handrails, and has the structural key points that the seat cushion is arranged below the seat cushion, the end of the seat cushion close to the backrest is hinged on the chair frame, a cross support plate is arranged below the seat cushion, the upper surface of the cross support plate is hinged with a first expansion device with the upper end contacting with the lower surface of the seat cushion, one end of the seat cushion, which is far away from the backrest, is provided with a column-shaped slot hole extending towards the backrest, a support rod is matched in the column-shaped slot hole, the front end of the support rod is fixed with a support plate, the support plate is provided with a support cushion with the same thickness as the seat cushion, the front end of the support plate is hinged with a leg support plate, the minimum angle formed between the leg support plate and the support plate is 90 degrees, the lower surface of the seat cushion plate is fixed with a bottom, the positioning plate is fixed on the lower surface of the supporting plate, and a third telescopic device which is arranged in a downward inclined mode and applies thrust to the leg supporting plate is fixed on the positioning plate.

Furthermore, the lower surface of the seat board is provided with a sliding groove and a limiting ring sleeved on the second telescopic device, the side wall of the sliding groove is provided with a sliding way, a sliding rod is matched in the sliding way, and the sliding rod is fixed at the upper end of the first telescopic device.

Furthermore, a supporting block located below the third telescopic device is fixed on the positioning plate, the surface of the supporting block, which is in contact with the third telescopic device, is an inclined surface, and a strip groove used for being matched with the third telescopic device is formed in the inclined surface.

Furthermore, the seat cushion comprises two support plates which are fixed on the seat plate and are close to the armrests, a grid plate is connected between the upper ends of the two support plates, a strip-shaped sliding opening extending along the length direction of the grid plate is arranged on the side face, far away from the armrests, of the two support plates, and a cotton cushion is arranged between the grid plate and the seat plate.

Furthermore, an inserting rod inserted from the front end to the backrest direction is arranged in the cotton pad, a head sealing plate attached to the front end of the cotton pad is fixed to the front end of the inserting rod, shaft rods used for being matched in the strip-shaped sliding port are arranged at two ends of the head sealing plate, a clamping plate is connected to the center of the head sealing plate in a shaft coupling mode, and the length of the clamping plate is larger than the thickness of the seat cushion.

Furthermore, the front end of the third telescopic device is matched with a U-shaped supporting and pushing part, and two ends of the supporting and pushing part are connected with rollers in a shaft mode.

Compared with the prior art, the beneficial effects of the utility model are that: when need sit for a long time, accessible second telescoping device drives the layer board and removes to hold in the palm the pad and remove to the position of knee joint below, and the extension of accessible third telescoping device promotes to support the leg board and overturn, thereby props the support with the shank through supporting the leg board, thereby reduces the pressure that the knee joint received, the height of the front end of the first telescoping device adjustment bedplate of accessible simultaneously makes human backbone lean on the back completely, thereby increases the travelling comfort.

Drawings

Fig. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the seat plate structure of the present invention;

FIG. 3 is a schematic side view of the seat cushion of the present invention;

FIG. 4 is a schematic view of the cotton pad of the present invention;

FIG. 5 is a schematic view of the structure of the pushing portion of the present invention;

FIG. 6 is a schematic view of the structure of part A of the present invention;

the chair comprises a chair frame, a chair cushion, a chair backrest, a chair armrest, a chair seat, a 6 cross support plate, a chair foot, a chair leg, a first telescopic device, a 9 cylindrical slotted hole, a 10 support rod, a 11 support plate, a 12 support cushion, a 13 leg support plate, a 14 bottom push plate, a 15 second telescopic device, a 16 positioning plate, a 17 third telescopic device, a 18 sliding groove, a 19 limiting ring, a 20 sliding rail, a 21 sliding rod, a 22 support block, a 23 support plate, a 24 grid plate, a 25 strip-shaped sliding opening, a 26 cotton pad, a 27 insertion rod, a 28 end sealing plate, a 29 shaft rod, a 30 clamping plate, a 31 pushing part and a 32 roller, wherein the chair frame is arranged on the chair frame, the chair seat cushion, the chair backrest, the 3 backrest, the armrest, the seat plate and.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 6, a comfortable auditorium chair comprises a chair frame 1, a seat cushion 2, a backrest 3 and armrests 4, wherein a seat board 5 is arranged below the seat cushion 2, one end of the seat board 5 close to the backrest 3 is hinged on the chair frame 1, a cross support board 6 is arranged below the seat board 5, the cross support board 6 is fixed between two chair legs 7 on the chair frame 1, a first telescopic device 8 with the upper end contacting with the lower surface of the seat board 5 is hinged on the upper surface of the cross support board 6, a cylindrical slot 9 extending towards the backrest 3 is arranged at one end of the seat board 5 far away from the backrest, a support rod 10 is matched in the cylindrical slot 9, a support plate 11 is fixed at the front end of the support rod 10, a support cushion 12 with the same thickness as the seat cushion 2 is arranged on the support plate 11, a leg support plate 13 is hinged at the front end of the support plate 11, the minimum angle formed between the leg support plate 13 and the support plate 11 is 90 degrees, a sponge cushion is fixed, a bottom push plate 14 is fixed on the lower surface of the seat plate 5, a second expansion device 15 extending towards the direction of the supporting plate 11 is fixed on the bottom push plate 14, a positioning plate 16 is fixed at the front end of the second expansion device 15, the positioning plate 16 is fixed on the lower surface of the supporting plate 11, a third expansion device 17 which is arranged in a downward inclined manner and applies thrust to the leg supporting plate 13 is fixed on the positioning plate 16, when a user needs to sit for a long time, the second expansion device 15 can drive the supporting plate 11 to move, thereby moving the pad 12 to the position below the knee joint, and pushing the leg supporting plate 13 to turn over by the extension of the third expansion device 17, realizing the supporting of the lower leg by the leg supporting plate 13, thereby reducing the pressure on the knee joint, and simultaneously, the height of the front end of the seat plate 5 can be adjusted through the first expansion device 8, so that the spine of the human body can be completely leaned on the backrest 3, thereby increasing the comfort.

Referring to fig. 2, the lower surface of the seat plate 5 is provided with a sliding groove 18 and a limiting ring 19 sleeved on the second expansion device 15, a sliding rail 20 is arranged on the side wall of the sliding groove 18, a sliding rod 21 is matched in the sliding rail 20, the sliding rod 21 is fixed at the upper end of the first expansion device 8, when the seat plate 5 is subjected to angle adjustment, the sliding rod 21 at the front end of the first expansion device 8 slides in the sliding rail 20, and when the seat plate 5 is in a horizontal state, the first expansion device 8 is in a shortest state, so that the seat plate 5 can be supported through the first expansion device 8.

Referring to fig. 6, a supporting block 22 located below the third expansion device 17 is fixed on the positioning plate 16, a surface of the supporting block 22 contacting the third expansion device 17 is an inclined surface, and a strip groove for matching with the third expansion device 17 is formed on the inclined surface, so that the third expansion device 17 is reinforced by the supporting block 22, and the third expansion device 17 is prevented from being separated from the positioning plate 16 when the leg supporting plate 13 is supported.

Referring to fig. 3, 4 and 5, the seat cushion 2 includes two support plates 23 fixed on the seat board 5 and disposed near the armrest 4, a grid plate 24 is connected between the upper ends of the two support plates 23, a strip-shaped sliding opening 25 extending along the length direction is disposed on the side surface of the two support plates 23 far from the armrest 4, a cotton pad 26 is disposed between the grid plate 24 and the seat board 5, a breathable seat cover is disposed on the grid plate 24, an insertion rod 27 inserted from the front end to the backrest direction is disposed in the cotton pad 26, a head cover plate 28 attached to the front end of the cotton pad 26 is fixed to the front end of the insertion rod 27, a shaft rod 29 for fitting in the strip-shaped sliding opening 25 is disposed at both ends of the head cover plate 28, a clamping plate 30 is axially connected to the center of the head cover plate 28, the length of the clamping plate 30 is greater than the thickness of the seat cushion 2, when sweat on the buttocks and thighs is sensed to be more, the clamping plate 30 is rotated to be, the cotton pad 26 can then be slid away from between the mesh plate 24 and the seat plate 5, thereby creating a ventilated space between the mesh plate 24 and the seat plate 5.

Referring to fig. 6, the front end of the third telescopic device 17 is matched with a U-shaped supporting and pushing portion 31, two ends of the supporting and pushing portion 31 are coupled with rollers 32, when the third telescopic device 17 extends, the supporting and pushing portion 31 is driven to move, and the rollers 32 on the supporting and pushing portion 31 apply a pushing force to the leg-supporting plate 13, so as to adjust the angle of the leg-supporting plate 13.

Additionally, the utility model discloses well adopted first telescoping device 8, second telescoping device 15 and third telescoping device 17 the same, be current electric putter, all the single junction has switch on every telescoping device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a comfortable auditorium chair, includes chair frame, seatpad, back and handrail, its characterized in that: a seat board is arranged below the seat cushion, one end of the seat board close to the backrest is hinged on the chair frame, a cross support plate is arranged below the seat board, the upper surface of the cross support plate is hinged with a first telescopic device of which the upper end is contacted with the lower surface of the seat board, the seat board is provided with a cylindrical groove hole extending towards the backrest at one end far away from the backrest, a support rod is matched in the cylindrical groove hole, a support plate is fixed at the front end of the support rod, a support cushion with the same thickness as the seat cushion is arranged on the support plate, a leg support plate is hinged at the front end of the support plate, the minimum angle formed between the leg support plate and the support plate is 90 degrees, the lower surface of the seat plate is fixed with a bottom push plate, a second telescopic device extending towards the direction of the supporting plate is fixed on the bottom push plate, a positioning plate is fixed at the front end of the second telescopic device and fixed on the lower surface of the supporting plate, and a third telescopic device which is arranged in a downward inclined mode and applies thrust to the leg supporting plate is fixed on the positioning plate.

2. A comfortable auditorium chair according to claim 1, wherein: the lower surface of bedplate be equipped with the spout and cover the spacing ring on the second telescoping device, be equipped with the slide on the lateral wall of spout and the slide fit has the slide bar in, the slide bar is fixed in the upper end of first telescoping device.

3. A comfortable auditorium chair according to claim 1, wherein: the positioning plate is fixedly provided with a supporting block positioned below the third telescopic device, the surface of the supporting block, which is in contact with the third telescopic device, is an inclined plane, and the inclined plane is provided with a strip groove used for being matched with the third telescopic device.

4. A comfortable auditorium chair according to claim 1, wherein: the seat cushion comprises two support plates which are fixed on the seat plate and are arranged close to the handrails, a grid plate is connected between the upper ends of the two support plates, a strip-shaped sliding opening extending along the length direction of the grid plate is arranged on the side face, far away from the handrails, of the two support plates, and a cotton cushion is arranged between the grid plate and the seat plate.

5. A comfortable auditorium chair, according to claim 4, wherein: the cotton pad in be provided with by the front end to the inserted bar of back direction male, the front end of inserted bar is fixed with the head board of pasting in the front end of cotton pad, the both ends of head board are equipped with and are used for the cooperation at bar intraoral axostylus axostyle, the central point of head board puts the coupling and has the cardboard, the length of cardboard is greater than the thickness of seatpad.

6. A comfortable auditorium chair according to claim 1, wherein: the front end of the third telescopic device is matched with a U-shaped supporting and pushing part, and two ends of the supporting and pushing part are connected with rollers in a shaft mode.