CN206434079U - A kind of detachable backrest adjustable student chair of cushion - Google Patents

A kind of detachable backrest adjustable student chair of cushion Download PDF

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Publication number
CN206434079U
CN206434079U CN201621017815.1U CN201621017815U CN206434079U CN 206434079 U CN206434079 U CN 206434079U CN 201621017815 U CN201621017815 U CN 201621017815U CN 206434079 U CN206434079 U CN 206434079U
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CN
China
Prior art keywords
fixed
regulation
hole
block
seat
Prior art date
Application number
CN201621017815.1U
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Chinese (zh)
Inventor
叶芳
Original Assignee
苏州瑞日纺织科技有限公司
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Publication date
Application filed by 苏州瑞日纺织科技有限公司 filed Critical 苏州瑞日纺织科技有限公司
Priority to CN201621017815.1U priority Critical patent/CN206434079U/en
Application granted granted Critical
Publication of CN206434079U publication Critical patent/CN206434079U/en

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Abstract

The utility model discloses a kind of detachable backrest adjustable student chair of cushion, including seat and backrest, there is fixed groove in the middle part of the top surface of the seat, the bottom surface of fixed groove has multiple positioning shrinkage pools, cushion is nested in fixed groove, the bottom surface of cushion is fixed with multiple inserted links, inserted link sleeve is in corresponding positioning shrinkage pool, multiple positioning bulb plungers are bolted with the madial wall for positioning shrinkage pool, the steel ball of positioning bulb plunger stretches out the side wall of positioning shrinkage pool and is nested in the positioning annular groove having on the lateral wall of inserted link;The back side of seat is fixed with regulation lug boss, rotary shaft runs through through hole through regulation lug boss, two ends through through hole are provided with bearing, the outer ring of bearing is fixed on the madial wall of through hole, rotary shaft is fixed in the inner ring of bearing, the two ends of rotary shaft project through through hole, and the two ends of rotary shaft are fixed with travelling gear;Its cushion dismounting and change is easy to clean, and backrest can realize tilt adjustment, so as to meet use requirement.

Description

A kind of detachable backrest adjustable student chair of cushion

Technical field:

The utility model is related to realia technical field, and more specifically to a kind of detachable backrest of cushion is adjustable Save pupil chair.

Background technology:

The chair of existing Students ' Learning is usually fixed, and backrest can not carry out angular adjustment, however, each learn Raw sitting posture is different, and chair is identical, and the requirement of each student, some students can not be adapted to by so allowing for chair Be not appropriate for this backrest, this allow for unconformable student against and it is uncomfortable, so as to influence it normally to use.

Moreover, existing chair is comfortable in order to do, cushion is typically installed on seat, and existing cushion is direct It is fixed on seat, it is impossible to which dismounting and change is cleaned, bothers very much.

Utility model content:

The purpose of this utility model is aiming at the deficiency of prior art, and it is adjustable to provide a kind of detachable backrest of cushion Pupil chair is saved, its cushion dismounting and change is easy to clean, and backrest can realize tilt adjustment, will so as to meet different uses Ask.

Technology solution of the present utility model is as follows:

Have in the middle part of a kind of detachable backrest adjustable student chair of cushion, including seat and backrest, the top surface of the seat There is fixed groove, the bottom surface of fixed groove has multiple positioning shrinkage pools, and cushion is nested in fixed groove, and the bottom surface of cushion is fixed There are multiple inserted links, inserted link sleeve is bolted with multiple positioning ball head columns in corresponding positioning shrinkage pool on the madial wall for positioning shrinkage pool Plug, the steel ball of positioning bulb plunger stretches out the side wall of positioning shrinkage pool and to be nested in the positioning annular having on the lateral wall of inserted link recessed In groove;

The back side of seat is fixed with regulation lug boss, and rotary shaft runs through through hole through regulation lug boss, through through hole Two ends are provided with bearing, and the outer ring of bearing is fixed on the madial wall of 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 the seat at travelling gear, the two ends of regulation lug boss The back side, which is fixed with contiguous block, 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 seat at the upper and lower part of the contiguous block is fixed to be had on limited location regulating block, spacing regulating block Vertical holding through hole, holding bar sleeve has holding block, holding block in vertical holding through hole at the opposite regulation gear of holding bar Holding is between two teeth portion of regulation gear, and the one end of holding bar away from regulation gear, which is formed in limited block, holding bar, inserts Buffer spring is cased with, 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.

Guide sleeve is inserted with vertical holding through hole on the spacing regulating block, the outer wall of guide sleeve is fixed on vertical card Put on the madial wall of through hole, holding bar sleeve is in guide sleeve.

The upper rear portion of the 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 the seat is fixed with four connecting poles, and the center bottom of connecting pole has regulation jack, connecting pole Bottom face is fixed with limiting plate, and the middle part of limiting plate has flexible jack, and the diameter for the jack that stretches is less than the diameter of regulation jack, The top of supporting leg passes through flexible jack and stretched into regulation jack, and the top of supporting leg has spacing block, and spacing block sleeve exists Adjust in jack, the diameter of spacing block is more than the diameter of supporting leg, supporting leg upper sleeve has regulation spring, and the bottom of supporting leg is fixed with Put forth effort on limiting plate, the other end and put forth effort on resilient support block in resilient support block, one end of regulation spring.

The beneficial effects of the utility model are:

Its cushion dismounting and change is easy to clean, and backrest can realize tilt adjustment, so as to meet different use requirements.

Brief description of the drawings:

Fig. 1 is structural representation of the present utility model;

Fig. 2 is partial structural diagram of the present utility model;

Fig. 3 is Fig. 1 partial enlarged drawing.

Embodiment:

Embodiment:As shown in Fig. 1 to Fig. 3, a kind of detachable backrest adjustable student chair of cushion, including seat 10 and lean on There is fixed groove 31, the bottom surface of fixed groove 31 has multiple positioning shrinkage pools 32, sat in the middle part of the back of the body 20, the top surface of the seat 10 Pad 30 is nested in fixed groove 31, and the bottom surface of cushion 30 is fixed with multiple inserted links 33, and the sleeve of inserted link 33 is recessed in corresponding positioning In hole 32, multiple positioning bulb plungers 34 are bolted with the madial wall for positioning shrinkage pool 32, the steel ball of positioning bulb plunger 34 stretches out Position the side wall of shrinkage pool 32 and be nested in the positioning annular groove 35 having on the lateral wall of inserted link 33;

The back side of seat 10 is fixed with regulation lug boss 11, and rotary shaft 12 runs through through hole through regulation lug boss 11, passed through The two ends of reach through hole are provided with bearing, and the outer ring of bearing is fixed on the madial wall of 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, adjust lug boss The back side of seat 10 at 11 two ends, which is fixed with contiguous block 14, contiguous block 14, is hinged with regulation gear 15, adjusts gear 15 It is meshed with travelling gear 13, the bottom surface two ends of backrest 20 have extension 21, and extension 21 is fixed on the two ends of rotary shaft 12 Place;

Limited location regulating block 16, spacing regulating block are fixed in the back side of seat 10 at the upper and lower part of the contiguous block 14 There is vertical holding through hole 17, the sleeve of holding bar 18 is in vertical holding through hole 17, the opposite regulation gear 15 of holding bar 18 on 16 Place has holding block 181, and the holding of holding block 181 is between two teeth portion of regulation gear 15, and holding bar 18 is away from regulation gear 15 one end, which is formed, is inserted with buffer spring 183 in limited block 182, holding bar 18, card is put forth effort in one end of buffer spring 183 Block 181 is put, the other end of buffer spring 183 puts forth effort on spacing regulating block 16.

Further, guide sleeve 171, guide sleeve are inserted with the vertical holding through hole 17 on the spacing regulating block 16 171 outer wall is fixed on the madial wall of vertical holding through hole 17, and the sleeve of holding bar 18 is in guide sleeve 171.

Further, the upper rear portion of the 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 the seat 10 is fixed with four connecting poles 101, the center bottom tool of connecting pole 101 There is regulation jack 102, the bottom face of connecting pole 101 is fixed with limiting plate 103, and the middle part of limiting plate 103 has flexible jack 104, the diameter for the jack 104 that stretches is less than the diameter of regulation jack 102, and the top of supporting leg 105 passes through flexible jack 104 and stretched into Adjust in jack 102, the top of supporting leg 105 has spacing block 1051, the spacing sleeve of block 1051 in regulation jack 102, The diameter of spacing block 1051 is more than the diameter of supporting leg 105, and the upper sleeve of supporting leg 105 has regulation spring 107, the bottom of supporting leg 105 Resilient support block 106 is fixed with, one end of regulation spring 107 puts forth effort on limiting plate 103, the other end and puts forth effort on resilient support block 106。

Operation principle:By the way that four holding bars 18 are pulled so that the not holding of holding block 181 is between two teeth portion, so Backrest 20 is rotated afterwards, so as to adjust the angle of inclination of backrest 20, then, then is unclamped holding bar 18, is passed through the work of buffer spring 183 With so that the holding of holding block 181 realizes holding between corresponding two teeth portion, so that regulation is completed, and spring 19 is played, User back has a supporting role when leaning against backrest 20, prevents from being pressed against excessive and being damaged backrest 20.

It is very convenient and cushion 30 is only needed to firmly pull up and can dismantled from seat 10.

Claims (4)

1. a kind of detachable backrest adjustable student chair of cushion, including seat (10) and backrest (20), it is characterised in that:It is described There is fixed groove (31), the bottom surface of fixed groove (31) has multiple positioning shrinkage pools (32), sat in the middle part of the top surface of seat (10) Pad (30) is nested in fixed groove (31), and the bottom surface of cushion (30) is fixed with multiple inserted links (33), and inserted link (33) sleeve is right In the positioning shrinkage pool (32) answered, multiple positioning bulb plungers (34) are bolted with the madial wall of positioning shrinkage pool (32), bulb is positioned The steel ball of plunger (34) stretches out the side wall of positioning shrinkage pool (32) and is nested in the positioning annular having on the lateral wall of inserted link (33) In groove (35);
The back side of seat (10) is fixed with regulation lug boss (11), and rotary shaft (12) is through regulation lug boss (11) through logical Hole, bearing is provided with through the two ends of through hole, and the outer ring of bearing is fixed on the madial wall of 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 lug boss (11) is fixed with contiguous block (14), and contiguous block is hinged on (14) There is regulation gear (15), regulation gear (15) is meshed with travelling gear (13), and the bottom surface two ends of backrest (20) have extension (21), extension (21) is fixed at the two ends of rotary shaft (12);
Limited location regulating block (16), spacing regulation are fixed in the back side of seat (10) at the upper and lower part of the contiguous block (14) There is vertical holding through hole (17), holding bar (18) sleeve is in vertical holding through hole (17), and holding bar (18) is right on block (16) Regulation gear (15) place has a holding block (181), (181) holding of holding block between two teeth portion of regulation gear (15), The one end of holding bar (18) away from regulation gear (15) forms limited block (182), 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).
2. the detachable backrest adjustable student chair of a kind of cushion according to claim 1, it is characterised in that:The spacing tune Guide sleeve (171) is inserted with vertical holding through hole (17) in locking nub (16), the outer wall of guide sleeve (171) is fixed on vertical card On the madial wall for putting through hole (17), holding bar (18) sleeve is in guide sleeve (171).
3. the detachable backrest adjustable student chair of a kind of cushion according to claim 1, it is characterised in that:The seat (10) upper rear portion is fixed with one end of spring (19), and the other end of spring (19) is fixed on the extension (21) of backrest (20) On.
4. the detachable backrest adjustable student chair of a kind of cushion according to claim 1, it is characterised in that:The seat (10) bottom surface is fixed with four connecting poles (101), and the center bottom of connecting pole (101) has regulation jack (102), connecting pole (101) bottom face is fixed with limiting plate (103), and the middle part of limiting plate (103) has flexible jack (104), and stretch jack (104) diameter is less than the diameter of regulation jack (102), and the top of supporting leg (105) passes through flexible jack (104) and stretches into regulation In jack (102), the top of supporting leg (105) has spacing block (1051), and spacing block (1051) sleeve is in regulation jack (102) in, the diameter of spacing block (1051) is more than the diameter of supporting leg (105), and supporting leg (105) upper sleeve has regulation spring (107), the bottom of supporting leg (105) is fixed with resilient support block (106), and limiting plate is put forth effort in one end of regulation spring (107) (103), the other end puts forth effort on resilient support block (106).
CN201621017815.1U 2016-08-31 2016-08-31 A kind of detachable backrest adjustable student chair of cushion CN206434079U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621017815.1U CN206434079U (en) 2016-08-31 2016-08-31 A kind of detachable backrest adjustable student chair of cushion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621017815.1U CN206434079U (en) 2016-08-31 2016-08-31 A kind of detachable backrest adjustable student chair of cushion

Publications (1)

Publication Number Publication Date
CN206434079U true CN206434079U (en) 2017-08-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621017815.1U CN206434079U (en) 2016-08-31 2016-08-31 A kind of detachable backrest adjustable student chair of cushion

Country Status (1)

Country Link
CN (1) CN206434079U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107692623A (en) * 2017-11-06 2018-02-16 浙江粤强家具科技有限公司 A kind of multi-point heighten and using when the office chair that is fixed easily
CN108066123A (en) * 2017-12-27 2018-05-25 王权 A kind of ear-nose-throat department ear's massage apparatus
CN108703827A (en) * 2018-05-30 2018-10-26 钟洁姗 A kind of seat of the orthopaedics with spine correcting function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107692623A (en) * 2017-11-06 2018-02-16 浙江粤强家具科技有限公司 A kind of multi-point heighten and using when the office chair that is fixed easily
CN108066123A (en) * 2017-12-27 2018-05-25 王权 A kind of ear-nose-throat department ear's massage apparatus
CN108703827A (en) * 2018-05-30 2018-10-26 钟洁姗 A kind of seat of the orthopaedics with spine correcting function

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170825

Termination date: 20180831