CN106108445A

CN106108445A - A kind of novel adjustable student chair

Info

Publication number: CN106108445A
Application number: CN201610797817.5A
Authority: CN
Inventors: 叶芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2016-11-16

Abstract

The invention discloses a kind of novel adjustable student chair, including seat and backrest, there is in the middle part of the end face of described seat installation groove, medicated cushion is nested in installation groove, the bottom surface of medicated cushion has multiple protruding post, protruding post stretches out installs the vertical through hole that the bottom surface of groove has, base plate is pressed against on the bottom surface of seat, there is on base plate multiple jack, it is nested with elastic ring on the medial wall of jack, the bottom sleeve of protruding post is in jack, the medial wall elasticity of elastic ring is pressed against on the lateral wall of protruding post, the edge end face of base plate is fixed with strong magnet block, strong magnet block sleeve also adsorbs in fixed cover, fixed cover sleeve is in the hole, location that the bottom surface of seat has, the lateral wall of fixed cover is fixed on the medial wall in hole, location；The back side of seat is fixed with regulation lobe, and rotary shaft runs through through hole through regulation lobe；It can carry out altitude mixture control, and backrest can realize tilt adjustment, thus meets different use requirements.

Description

A kind of novel adjustable student chair

Technical field:

The present invention relates to realia technical field, a kind of novel adjustable student chair.

Background technology:

The chair of existing Students ' Learning is the most fixed, and its height cannot regulate, and backrest cannot be carried out angle Regulation, but, the height of each student, sitting posture is the most different, and chair is identical, thus makes chair can not be suitable for often The requirement of individual student, some students are made on chair and can feel short, and some meetings feel high, and some backrests are fixed, and this just makes Unconformable student against and uncomfortable, thus affect it and normally use.

Summary of the invention:

The purpose of the present invention is aiming at the deficiency of prior art, and provides a kind of novel adjustable student chair, and it is permissible Carrying out altitude mixture control, backrest can realize tilt adjustment, thus meets different use requirements.

The technology solution of the present invention is as follows:

A kind of novel adjustable student chair, including seat and backrest, has installation groove in the middle part of the end face of described seat, sit Pad is nested in installation groove, and the bottom surface of medicated cushion has multiple protruding post, and protruding post stretches out install that the bottom surface of groove has perpendicular Clear opening, base plate is pressed against on the bottom surface of seat, and base plate has multiple jack, and the medial wall of jack is nested with elastic ring, The bottom sleeve of protruding post is in jack, and the medial wall elasticity of elastic ring is pressed against on the lateral wall of protruding post, the edge of base plate End face is fixed with strong magnet block, and strong magnet block sleeve also adsorbs in fixed cover, and fixed cover sleeve has in the bottom surface of seat In hole, location, the lateral wall of fixed cover is fixed on the medial wall in hole, location；

The back side of seat is fixed with regulation lobe, and rotary shaft runs through through hole through regulation lobe, runs through through hole Two ends are provided with bearing, and the outer ring of bearing is fixed on the medial wall running through through hole, and rotary shaft is fixed in the inner ring of bearing, turn The two ends of moving axis project through through hole, and the two ends of rotary shaft are fixed with travelling gear, the seat at the two ends of regulation lobe The back side is fixed with contiguous block, and contiguous block is hinged with regulation gear, and regulation gear is meshed with travelling gear, the bottom surface two of backrest End has extension, and extension is fixed at the two ends of rotary shaft；

The back side of the seat at the upper and lower of described contiguous block is fixed with spacing regulating block, and spacing regulating block has Vertically holding through hole, holding bar sleeve is in vertical holding through hole, and holding pole pair has holding block at regulation gear, holding block Holding is between two teeth portion of regulation gear, and holding bar forms limited block away from one end of regulation gear, inserts in holding bar Being cased with buffer spring, holding block is put forth effort in one end of buffer spring, and the other end of buffer spring puts forth effort on spacing regulating block.

Being inserted with fairlead in vertical holding through hole on described spacing regulating block, the outer wall of fairlead is fixed on vertically card Putting on the medial wall of through hole, holding bar sleeve is in fairlead.

The upper rear portion of described seat is fixed with one end of spring, and the other end of spring is fixed on the extension of backrest.

The bottom surface of described seat is fixed with protective cover, and base plate is in protective cover, and the bottom surface of protective cover is fixed with four tune Locking nub body, the top of supporting leg is screwed onto in the screw that has of bottom surface of regulation block.

Described supporting leg includes connection post and lower connection post, and the top of upper connection post is screwed onto the bottom surface of regulation block to be had Screw in, the top of intermediate regulations set is screwed onto the bottom of connection post, and the bottom of intermediate regulations set is screwed onto lower connection post Top, the bottom of lower connection post is fixed with resilient support sucker.

The beneficial effects of the present invention is:

It can carry out altitude mixture control, and backrest can realize tilt adjustment, thus meets different use requirements.

Accompanying drawing illustrates:

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the partial structurtes schematic diagram of the present invention；

Fig. 3 is the partial enlarged drawing of Fig. 1.

Detailed description of the invention:

Embodiment: as shown in Fig. 1 to Fig. 3, a kind of novel adjustable student chair, including seat 10 and backrest 20, described seat Having installation groove 31 in the middle part of the end face of plate 10, medicated cushion 30 is nested in installation groove 31, and the bottom surface of medicated cushion 30 has multiple convex Playing post 32, protruding post 32 stretches out installs the vertical through hole 33 that the bottom surface of groove 31 has, and base plate 40 is pressed against the bottom surface of seat 10 On, base plate 40 having multiple jack 41, the medial wall of jack 41 is nested with elastic ring 42, the bottom sleeve of protruding post 32 exists In jack 41, the medial wall elasticity of elastic ring 42 is pressed against on the lateral wall of protruding post 32, and the edge end face of base plate 40 is fixed with Strong magnet block 43, strong magnet block 43 sleeve also adsorbs in fixed cover 44, and fixed cover 44 sleeve has in the bottom surface of seat 10 In hole 109, location, the lateral wall of fixed cover 44 is fixed on the medial wall in hole 109, location；

The back side of seat 10 is fixed with regulation lobe 11, and rotary shaft 12 runs through through hole through regulation lobe 11, passes through The two ends of reach through hole are provided with bearing, and the outer ring of bearing is fixed on the medial wall running through through hole, and rotary shaft 12 is fixed on bearing Inner ring in, the two ends of rotary shaft 12 project through through hole, and the two ends of rotary shaft 12 are fixed with travelling gear 13, regulate lobe The back side of the seat 10 at the two ends of 11 is fixed with contiguous block 14, contiguous block 14 is hinged with regulation gear 15, regulates gear 15 Being meshed with travelling gear 13, the two ends, bottom surface of backrest 20 have extension 21, and extension 21 is fixed on the two ends of rotary shaft 12 Place；

The back side of the seat 10 at the upper and lower of described contiguous block 14 is fixed with spacing regulating block 16, spacing regulating block Having vertical holding through hole 17 on 16, holding bar 18 sleeve is in vertical holding through hole 17, and holding bar 18 is facing to regulation gear 15 Place has holding block 181, and holding block 181 holding is between two teeth portion of regulation gear 15, and holding bar 18 is away from regulation gear One end of 15 forms limited block 182, is inserted with buffer spring 183 in holding bar 18, and card is put forth effort in one end of buffer spring 183 Putting block 181, the other end of buffer spring 183 puts forth effort on spacing regulating block 16.

Further, the vertical holding through hole 17 on described spacing regulating block 16 is inserted with fairlead 171, fairlead The outer wall of 171 is fixed on the medial wall of vertical holding through hole 17, and holding bar 18 sleeve is in fairlead 171.

Further, the upper rear portion of described seat 10 is fixed with one end of spring 19, and the other end of spring 19 is fixed On the extension 21 of backrest 20.

Further, the bottom surface of described seat 10 is fixed with protective cover 50, and base plate 40 is in protective cover 50, protective cover The bottom surface of 50 is fixed with four regulation blocks 101, and the top of supporting leg 102 is screwed onto the screw that the bottom surface of regulation block 101 has In.

Further, described supporting leg 102 includes connection post 1021 and lower connection post 1022, the top of upper connection post 1021 Holding in the screw that the bottom surface being screwed onto regulation block 101 has, the top of intermediate regulations set 1023 is screwed onto connection post 1021 Bottom, the bottom of intermediate regulations set 1023 is screwed onto the top of lower connection post 1022, and the bottom of lower connection post 1022 is fixed with Resilient support sucker 103.

Operation principle: can regulate the height of chair by rotating intermediate regulations set 1023, meets the use of different height Person uses, and by four holding bars 18 are pulled so that holding block 181 not holding, between two teeth portion, then rotates and leans on The back of the body 20, thus regulate the angle of inclination of backrest 20, then, then unclamp holding bar 18, by the effect of buffer spring 183 so that Holding block 181 holding is between two corresponding teeth portion, it is achieved holding, thus completes regulation, and spring 19 plays, and user is carried on the back Portion has a supporting role when leaning against backrest 20, prevent from being pressed against excessive and making backrest 20 impaired.

And by firmly pulling medicated cushion 30 to be removable from by medicated cushion 30, thus it is convenient for changing cleaning, and lower connection post The bottom of 1022 is fixed with resilient support sucker 103, is pressed against on the ground by resilient support sucker 103, can make chair not Easily slide, very convenient.

Claims

1. a novel adjustable student chair, including seat (10) and backrest (20), it is characterised in that: the top of described seat (10) Middle face has installation groove (31), and medicated cushion (30) is nested in installation groove (31), and the bottom surface of medicated cushion (30) has multiple convex Playing post (32), protruding post (32) is stretched out and is installed the vertical through hole (33) that the bottom surface of groove (31) has, and base plate (40) is pressed against seat On the bottom surface of plate (10), base plate (40) has multiple jack (41), the medial wall of jack (41) is nested with elastic ring (42), The bottom sleeve of protruding post (32) is in jack (41), and the medial wall elasticity of elastic ring (42) is pressed against the outside of protruding post (32) On wall, the edge end face of base plate (40) is fixed with strong magnet block (43), and strong magnet block (43) sleeve also adsorbs in fixed cover (44) In, fixed cover (44) sleeve is in the hole, location (109) that the bottom surface of seat (10) has, and the lateral wall of fixed cover (44) is fixed on On the medial wall of hole, location (109)；

The back side of seat (10) is fixed with regulation lobe (11), and rotary shaft (12) runs through logical through regulation lobe (11) Hole, the two ends running through through hole are provided with bearing, and the outer ring of bearing is fixed on the medial wall running through through hole, and rotary shaft (12) is fixed In the inner ring of bearing, the two ends of rotary shaft (12) project through through hole, and the two ends of rotary shaft (12) are fixed with travelling gear (13), the back side of the seat (10) at the two ends of regulation lobe (11) is fixed with contiguous block (14), and contiguous block (14) is upper hinged Having regulation gear (15), regulation gear (15) to be meshed with travelling gear (13), the two ends, bottom surface of backrest (20) have extension (21), extension (21) is fixed at the two ends of rotary shaft (12)；

The back side of the seat (10) at the upper and lower of described contiguous block (14) is fixed with spacing regulating block (16), spacing regulation Having vertical holding through hole (17) on block (16), holding bar (18) sleeve is in vertical holding through hole (17), and holding bar (18) is right Regulation gear (15) place and there is holding block (181), holding block (181) holding regulation gear (15) two teeth portion between, Holding bar (18) forms limited block (182) away from one end of regulation gear (15), and holding bar is inserted with buffer spring in (18) (183), holding block (181) is put forth effort in one end of buffer spring (183), and the other end of buffer spring (183) puts forth effort on spacing tune Locking nub (16).

A kind of novel adjustable student chair, it is characterised in that: on described spacing regulating block (16) Vertically being inserted with fairlead (171) in holding through hole (17), the outer wall of fairlead (171) is fixed on vertical holding through hole (17) On medial wall, holding bar (18) sleeve is in fairlead (171).

A kind of novel adjustable student chair, it is characterised in that: the upper rear portion of described seat (10) Being fixed with one end of spring (19), the other end of spring (19) is fixed on the extension (21) of backrest (20).

A kind of novel adjustable student chair, it is characterised in that: the bottom surface of described seat (10) is fixed Protected cover (50), base plate (40) is in protective cover (50), and the bottom surface of protective cover (50) is fixed with four regulation blocks (101) during, the top of supporting leg (102) is screwed onto the screw that has of bottom surface of regulation block (101).

A kind of novel adjustable student chair, it is characterised in that: described supporting leg (102) includes company Connecing post (1021) and lower connection post (1022), the top of upper connection post (1021) is screwed onto the bottom surface of regulation block (101) to be had Screw in, the top of intermediate regulations set (1023) is screwed onto the bottom of connection post (1021), intermediate regulations set (1023) Bottom is screwed onto the top of lower connection post (1022), and the bottom of lower connection post (1022) is fixed with resilient support sucker (103).