CN208510323U - A kind of lifting school chair - Google Patents
A kind of lifting school chair Download PDFInfo
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- CN208510323U CN208510323U CN201721556631.7U CN201721556631U CN208510323U CN 208510323 U CN208510323 U CN 208510323U CN 201721556631 U CN201721556631 U CN 201721556631U CN 208510323 U CN208510323 U CN 208510323U
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- tube
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- vertical bar
- installing pipe
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Abstract
The utility model provides a kind of lifting school chair, including seat board, backrest, support frame, and support frame as described above includes two L shape connecting rods for being located at seat board lower section two sides and the support base for being disposed below connection；The L shape connecting rod includes horizontal bearing tube, separator tube and installing pipe, and support rod, the support base includes the connecting rod of two vertical bars of two relatively parallel telescopic vertical bars, the relatively parallel horizon bar positioned at the perpendicular setting in vertical bar lower section and connection, and vertical bar is installed in the middle part of horizon bar；The vertical bar is vertically fixed on bearing tube lower section middle part originally.Utility model overall structure is simple, and the regulating mechanism that the vertical bar of support frame is equipped with is adjustable chair height, so that the student for adapting to different heights uses, comfortable sitting posture can also improve the attention of student.
Description
Technical field
The utility model relates to teaching equipment fields, and in particular to a kind of lifting school chair.
Background technique
Present desk tablet chair matching used on the market cannot adjust table height, desk according to student's height mostly
With being used cooperatively for chair, need to agree with its height setting tables and chairs height for the student of different height, to find optimum seat
Appearance, so the tables and chairs for needing to be adjusted according to the height of user；And the seat board of tablet chair and the installation site of backrest mostly
At 90 degree, in use, it is prolonged sit, the buttocks by student can be made and backbone stress it is excessive, and be easy to allow student's ridge
Column deformation, causes hunchback, myopia etc., uncomfortable tables and chairs equally also will affect the attention of child；And current tablet chair
Chair leg intensity is not high, and some student's weight are larger, and certain students can also often rock seat, and the pressure for causing chair leg to carry is very
Greatly, reduced service life.
Summary of the invention
For the deficiency in the presence of the prior art, the utility model provides a kind of lifting school chair, solves existing technology
Present in cannot according to student's height adjust tablet chair height；Both seat board and backrest are at right angles installed, and cause sitting posture uncomfortable；
The problems such as support frame ability to bear is not strong.
To achieve the above object, present invention employs the following technical solutions: a kind of lifting school chair, including seat board, backrest,
Support frame, support frame as described above include two L shape connecting rods for being located at seat board lower section two sides and the ┻ shape branch for being disposed below connection
Frame；
The L shape connecting rod includes horizontal bearing tube, separator tube and installing pipe, is wherein pressed from both sides between installing pipe and bearing tube
Angle is connected between separator tube and bearing tube by the first circular arc tube transitions at obtuse angle；Angle Cheng Rui between separator tube and bearing tube
Angle is connected between separator tube and installing pipe by the second circular arc tube transitions, and angle is at obtuse angle between installing pipe and separator tube；
The ┻ shape bracket includes two relatively parallel telescopic vertical bars and the perpendicular setting below vertical bar
Relatively parallel horizon bar, vertical bar is installed in the middle part of horizon bar；The vertical bar is vertically fixed on bearing tube center bottom, and two is perpendicular
Connecting rod is equipped between bar；The vertical bar includes the upper bush and lower sleeve for being mutually inserted setting；The upper bush is equipped with more
A adjustment hole, lower sleeve are equipped with multiple locking holes to match with adjustment hole；
The upper bush and lower sleeve are the identical tubular body in cross section, and the cross section of the tubular body is straight by one
The ring structure that side and three arc-shaped sides are formed is connected by external arc transition between adjacent side；Three arc-shaped sides include two phases
Long side that is corresponding with straight flange to the short side for being arranged and being recessed inwardly and one and being made of three sections of arc-shaped sides, three sections of arcs
Two adjacent arc-shaped side bending directions of side are opposite.
Compared with the prior art, the invention has the following beneficial effects: the installing pipes in L shape connecting rod can pass through separator tube
Micro- deformation is carried out, for user biggish for weight using by unlucky, separator tube can play certain buffer function, avoid producing
Raw permanent deformation, and the connection of circular arc tube transitions is all made of between bearing tube, separator tube, installing pipe, it is answered in bending gathering out
Power reduces, so that whole stronger, load capacity is bigger.Between installing pipe and bearing tube angle in obtuse angle, such design
Can allow the back of user obtain it is certain unfold, can effectively reduce by back to backbone pressure.The phase of adjustment hole and locking hole
Mutually cooperation is adjustable the purpose of chair height, so that the student for adapting to different heights uses, comfortable sitting posture can improve student's
Attention.Vertical bar uses profiled-cross-section, and intensity is high, guarantees that service life is also longer while tables and chairs use safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the feature cross-section schematic diagram of upper bush and lower sleeve.
In the accompanying drawings: seat board 1, backrest 2, L shape connecting rod 3, vertical bar 4, horizon bar 5, connecting rod 6, upper bush 7, lower sleeve
8, adjustment hole 9, locking hole 10, thin strip through-hole 11, strip through-hole 12, slot 13, sets of holes 14, antiskid glue sleeve 15, installing pipe 31,
Second arc tube 32, separator tube 33, the first arc tube 34, bearing tube 35, straight flange 71, short side 72, long side 73.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1-Figure 3, a kind of lifting school chair described in the utility model, including seat board 1, backrest 2, support frame, institute
Stating support frame includes being located at two L shape connecting rods of two sides and the ┻ shape bracket being disposed below below seat board.The L shape connection
Bar 3 include horizontal bearing tube 35, separator tube 33 and installing pipe 31, wherein between installing pipe 31 and bearing tube 35 angle at blunt
Angle is connected between separator tube 33 and bearing tube 35 by 34 transition of the first arc tube；Angle between separator tube 33 and bearing tube 35
It is at an acute angle, it is connected between separator tube 33 and installing pipe 31 by 32 transition of the second arc tube, between installing pipe 31 and separator tube 33
Angle is at obtuse angle.Since 3 body structures of L shape connecting rod are complex, and the integral strength in order to guarantee L shape connecting rod 3, L
Shape connecting rod 3 is bent into integral structure using small elliptical tube, can improve the one of L shape connecting rod 3 using formed in mould mode
Cause property and intensity；Angle is 98 °~105 ° between installing pipe 31 and bearing tube 35, and angle is between separator tube 33 and bearing tube 35
132 °~145 °, the angular range of several components can better meet the needs of different clients.The ┻ shape bracket includes two
A relatively parallel telescopic vertical bar 4, the relatively parallel horizon bar 5 positioned at the 4 perpendicular setting in lower section of vertical bar and company
The connecting rod 6 of two vertical bars 4 is connect, vertical bar 4 is fixed by welding in 5 medium position of horizon bar；Support frame as described above vertical bar 4 and horizon bar
5 connections are in " ┴ " shape, and the vertical bar 4 is fixedly connected in " H " shape with connecting rod 6.The fixed bearing tube of 4 upper vertical of vertical bar
35, vertical bar 4 is fixedly welded on 35 middle part of bearing tube, and vertical bar 4 and horizon bar 5, bearing tube 35 form I-shaped structure, support frame
Rock-steady structure be designed as the safety of chair and provide guarantee.The seat board 1 is installed in bearing tube by way of gluing
35 tops, since the material of seat board is unfavorable for welding with bearing tube, if adopting the mode being screwed is easily destroyed seat board, and
And can be used now there are many good glue of stationarity, one and bearing tube can be designed when pedestal reverse mould produces
The groove structure of cooperation, improve with the gluing stability of bearing tube, while also reducing installation difficulty, the backrest 2 it is transversal
Face is arcuate structure, and the slot 13, multiple strip through-holes 12 and two sets of holes 14 of circular configuration are offered on backrest 2, and backrest 2 is logical
It crosses sets of holes 14 and connect installation with installing pipe 31, such design can be convenient backrest disassembly and transport etc..
The vertical bar 4 includes the upper bush 7 and lower sleeve 8 being mutually inserted, and 7 lower end of upper bush is equipped with multiple adjustment holes 9, under
8 upper end of sleeve is equipped with multiple locking holes 10 to match with adjustment hole 9.Wherein the spacing of two neighboring adjustment hole 9 is two locks
The half of 10 spacing of tieholen, so that each adjustment hole 9 can be matched with locking hole 10, it thus can be according to different heights
Student adjusts chair height.
The upper bush 7 and lower sleeve 8 are the identical tubular body in cross section, and the cross section of the tubular body is by one
The ring structure that straight flange 71 and three arc-shaped sides are formed is connected by external arc transition between adjacent side；Three arc-shaped sides include two
Item is oppositely arranged and the short side 72 being recessed inwardly and a long side 73 that is corresponding with straight flange 71 and being made of three sections of arc-shaped sides, described
Three sections of arc-shaped sides it is adjacent two arc-shaped side bending directions it is opposite.Vertical bar 4 uses profiled-cross-section, than previous having the shape of a real square column
Shape compression strength of structure is stronger, indeformable using the long period is also able to maintain in the user of larger weight, so as to cause safety
Problem.
1 surface of the seat board arc structure low in intermediate high both ends, such design more meet ergonomic designs, match
The using face shape of backrest 2 and the structure of L shape connecting rod 3 are closed, chair can be effectively reduced in use to spinal compression, when long
Between using also without so tired；It is additionally provided with multiple thin strip through-holes 11 on the seat board 1, permeation functions can be played.
5 both ends of horizon bar are equipped with antiskid glue sleeve 15, and it is anti-skidding to play fixation to chair.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (4)
1. a kind of lifting school chair, including seat board (1), backrest (2), support frame, it is characterised in that: support frame as described above includes being located at seat
Two L shape connecting rods (3) of plate (1) lower section two sides and the ┻ shape bracket for being disposed below connection；
The L shape connecting rod (3) includes horizontal bearing tube (35), separator tube (33) and installing pipe (31), wherein installing pipe
(31) angle passes through the first arc tube (34) mistake at obtuse angle between bearing tube (35) between separator tube (33) and bearing tube (35)
Cross connection；Angle is at an acute angle between separator tube (33) and bearing tube (35), by the between separator tube (33) and installing pipe (31)
Two arc tubes (32) transition connection, angle is at obtuse angle between installing pipe (31) and separator tube (33)；
The ┻ shape bracket includes that two relatively parallel telescopic vertical bars (4) and being located at below vertical bar (4) perpendicular are set
The relatively parallel horizon bar (5) set, vertical bar (4) are installed in the middle part of horizon bar (5)；The vertical bar (4) is vertically fixed on load-bearing
(35) center bottom is managed, is equipped with connecting rod (6) between two vertical bars (4)；The vertical bar (4) includes the upper bush for being mutually inserted setting
(7) and lower sleeve (8)；The upper bush (7) is equipped with multiple adjustment holes (9), and lower sleeve (8) is equipped with multiple and adjustment hole
(9) locking hole (10) to match；
The upper bush (7) and lower sleeve (8) are the identical tubular body in cross section, and the cross section of the tubular body is by one
The ring structure that straight flange (71) and three arc-shaped sides are formed is connected by external arc transition between adjacent side；Three arc-shaped sides include
Two short sides (72) for being oppositely arranged and being recessed inwardly and a long side that is corresponding with straight flange (71) and being made of three sections of arc-shaped sides
(73), two adjacent arc-shaped side bending directions of three sections of arc-shaped sides are opposite.
2. a kind of lifting school chair as described in claim 1, it is characterised in that: seat board (1) surface is low in intermediate high both ends
Arc structure, seat board (1) be equipped with multiple thin strip through-holes (11).
3. a kind of lifting school chair as claimed in claim 2, it is characterised in that: the cross section of the backrest (2) is arcuate structure,
The slot (13), multiple strip through-holes (12) and multiple sets of holes (14) of circular configuration are offered on backrest (2).
4. a kind of lifting school chair as claimed in claim 3, it is characterised in that: L shape connecting rod (3) is bent by small elliptical tube
Integral structure, angle is 98 °~105 ° between installing pipe (31) and bearing tube (35), separator tube (33) and bearing tube (35)
Between angle be 132 °~145 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556631.7U CN208510323U (en) | 2017-11-20 | 2017-11-20 | A kind of lifting school chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556631.7U CN208510323U (en) | 2017-11-20 | 2017-11-20 | A kind of lifting school chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208510323U true CN208510323U (en) | 2019-02-19 |
Family
ID=65327843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721556631.7U Active CN208510323U (en) | 2017-11-20 | 2017-11-20 | A kind of lifting school chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208510323U (en) |
-
2017
- 2017-11-20 CN CN201721556631.7U patent/CN208510323U/en active Active
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