CN108835914A - A kind of students in middle and primary schools' chair for correcting sitting posture - Google Patents
A kind of students in middle and primary schools' chair for correcting sitting posture Download PDFInfo
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- CN108835914A CN108835914A CN201810584024.4A CN201810584024A CN108835914A CN 108835914 A CN108835914 A CN 108835914A CN 201810584024 A CN201810584024 A CN 201810584024A CN 108835914 A CN108835914 A CN 108835914A
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- 238000009434 installation Methods 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 210000000115 thoracic cavity Anatomy 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/10—Devices for holding pupils upright, i.e. body supports
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/02—Adjustable forms
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/24—Chairs or stools with vertically-adjustable seats with vertical spindle
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs
- A47C7/506—Supports for the feet or the legs of adjustable type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/543—Supports for the arms movable to inoperative position
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention relates to the technical fields of students in middle and primary schools' auxiliary equipment, and more particularly to a kind of students in middle and primary schools' chair for correcting sitting posture, the angle of cushion can be adjusted, and improve adaptability, reduce and use limitation；And the thoracic cavity of students in middle and primary schools and ancon can be supported well, reduced for a long time using caused neck and shoulder fatigue, improved use reliability；Including cushion, the chair back and posture corrective belt, connected on the right side of the bottom end of the chair back and the top of cushion, posture corrective belt is arranged on the upside of the front end of the chair back；Ring is twisted including placement plate, support ring, support rod, stiffening plate, two groups of upper lefts, two groups of lower-lefts twist ring, two groups of atmospheric pressure poles, two groups of upper rights twist ring, two groups of right-hand thread bars, two groups of right-hand thread pipes, two groups of locking nuts, front shoe and rear fixed plate；It further include supporting plate, accessory plate, strut, pivoted arm, first rotating shaft, overhead gage, lower baffle plate, the second shaft and bayonet lock, the rear end of overhead gage and lower baffle plate is connect with front center the upper side and lower side of cushion respectively.
Description
Technical field
The present invention relates to the technical fields of students in middle and primary schools' auxiliary equipment, more particularly to a kind of students in middle and primary schools' correcting sitting posture
Chair.
Background technique
It is well known that students in middle and primary schools' chair for correcting sitting posture is one kind for students in middle and primary schools' sitting posture, hunch is prevented, in order to
Make the auxiliary device that students in middle and primary schools preferably grow up healthy and sound, is widely used in a variety of applications in the field of education and instruction；It is existing
Students in middle and primary schools' chair for correcting sitting posture include cushion, the chair back and posture corrective belt, connected on the right side of the bottom end of the chair back and the top of cushion, rectify appearance
Band is arranged on the upside of the front end of the chair back；Existing students in middle and primary schools' chair for correcting sitting posture in use, a students in middle and primary schools left side first on the chair back,
Then two arms are pierced into respectively inside posture corrective belt and extend out to outside, under the limitation of posture corrective belt, sat just；It is existing
It is found in students in middle and primary schools' chair for correcting sitting posture use, middle Students ' scope of activities under the limitation of posture corrective belt is small, the angle of cushion
It cannot be adjusted, so causing students in middle and primary schools using being limited, adaptability is poor, higher using limitation；And middle and primary schools
Raw thoracic cavity and ancon not can be carried out good support, and neck and shoulder can occur tired when students in middle and primary schools being caused to use for a long time
Labor causes its use reliability lower.
Summary of the invention
In order to solve the above technical problems, the angle that the present invention provides a kind of cushion can be adjusted, adaptability is improved,
It reduces and uses limitation；And the thoracic cavity of students in middle and primary schools and ancon can be supported well, and reducing use for a long time causes
Neck and shoulder fatigue, improve students in middle and primary schools' chair for correcting sitting posture of use reliability.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention, including cushion, the chair back and posture corrective belt, the bottom end of the chair back and cushion
Top on the right side of connection, posture corrective belt is arranged on the upside of the front end of the chair back；Including placement plate, support ring, support rod, stiffening plate, two
Group upper left twists ring, two groups of lower-lefts twist ring, two groups of atmospheric pressure poles, two groups of upper rights twist ring, two groups of right-hand thread bars, two groups of right-hand thread pipes, two
Group locking nut, front shoe and rear fixed plate, the bottom end of the stiffening plate are connect with the top middle portion of the placement plate, and
The bottom end of the support rod is connect with the top of the stiffening plate, and the center bottom of the top of the support ring and the cushion connects
It connects, and the upside of the support rod is rotatably connected with the support ring by support spin axis, two groups of upper lefts twist ring
Top is connect with the front left side of the cushion bottom end and left rear side respectively, and the top output port difference of two groups of atmospheric pressure poles
Rings are twisted with two groups of upper lefts to be rotatably connected by two groups of upper left spin axis, the bottom end of two groups of lower-lefts strand ring respectively with the placement
The front left side on plate top is connected with left rear side, and the downside of two groups of atmospheric pressure poles respectively with two groups under to twist ring left by two groups
Lower spin axis is rotatably connected, and the forward right side that the cushion bottom end is distinguished on the top that two groups of upper rights twist ring is connected with right lateral side,
And the top of two groups of right-hand thread bars is respectively arranged with retainer plate on two groups, and the top of two groups of right-hand thread bars leads to respectively
It crosses retainer plate on two groups to be rotatably connected with two groups of upper rights strand ring by two groups of upper right spin axis, the front shoe is consolidated with rear
The bottom end of fixed board is connect with the forward right side on the placement plate top and right lateral side respectively, and the front shoe and rear fixed plate
Between be connected with rotation axis, the front end of the rotation axis is connect with the rear end of the front shoe, two groups of right-hand threads
The bottom end of pipe is respectively arranged with two groups of adjustable plates, and the top of two groups of adjustable plates is respectively arranged with two groups of swivelling chutes, and two
Two groups of swing roller bearings are respectively arranged with inside group swivelling chute, the bottom end of two groups of right-hand thread pipes is inserted and fixed installation extremely
Two groups of swing roller Bearing inners, and the bottom end of two groups of adjustable plates is fixedly connected and is provided with retainer plate under two groups, and
The rear end of the rotation axis is can be slid through under two groups respectively inside retainer plate and before extending out to the extraneous and rear fixed plate
End connection, the bottom end of two groups of right-hand thread bars is inserted into respectively and spiral shell is filled to inside the top of two groups of right-hand thread pipes, and described two groups
Spiral shell encapsulation is located on two groups of right-hand thread bars locking nut respectively；It further include supporting plate, accessory plate, strut, pivoted arm, first turn
The rear end of axis, overhead gage, lower baffle plate, the second shaft and bayonet lock, the overhead gage and lower baffle plate front end with the cushion respectively
The connection of middle part the upper side and lower side, and the bottom end of overhead gage is provided with placing groove, and upper placing groove is internally provided with ball axis
It holds, lower placing groove is internally provided with lower ball bearing, and the top of the first rotating shaft is inserted and fixed installation to upper ball bearing
Inside, and the bottom end of first rotating shaft is inserted and fixed inside installation to lower ball bearing, the rear end right side of the pivoted arm and institute
State the front end connection of first rotating shaft, the bottom end of the strut connect with the top left hand of the pivoted arm, and the top of strut and
Middle part connection on front side of the bottom end of the supporting plate, the bottom end of the accessory plate is connect with the top right side central of the supporting plate, described
It is provided with steering slot on the upside of the front end of cushion, and turns to slot and is internally provided with steering ball bearing, after second shaft
End is inserted and fixed inside installation to steering ball bearing, and the front end of the rear upper side of the bayonet lock and second shaft
Connection.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention, further include two groups of left-hand thread bars, two groups of left-hand thread pipes, slide plate and
Antiskid pedal, the bottom end of the slide plate are provided with sliding block, are laterally correspondingly arranged on the top left hand left and right directions of the placement plate
There is sliding slot, the sliding block is arranged inside sliding slot, and sliding block is in sliding fit with the sliding chute, and distinguishes on front side of the top of slide plate with rear side
It is provided with preceding regulating tank and rear regulating tank, and is respectively arranged with preceding ball bearing and rear rolling inside preceding regulating tank and rear regulating tank
Pearl bearing, the bottom end of two groups of left-hand thread pipes are inserted and fixed respectively inside installation to preceding ball bearing and rear ball bearing,
The bottom end of two groups of left-hand thread bars is inserted into respectively and spiral shell is filled to inside the top of two groups of left-hand thread pipes, and two groups of left-hand thread bars
Top connect respectively with the bottom end forward right side and right lateral side of the antiskid pedal.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention, further includes left lead screw, right lead screw, right shell body and threaded sleeve,
The left end of the left lead screw is connect with the right end of the slide plate, and simultaneously spiral shell is filled to threaded sleeve for the right end insertion of forefathers' lead screw
Inside left end, simultaneously spiral shell is filled to inside the right end of the threaded sleeve for the left end insertion of the right lead screw, and the right end of right lead screw
It is connect with the left end of the right shell body, the bottom end of right shell body is connect with the top of the placement plate, the left lead screw and right lead screw
Thread rotary orientation be reversed, and inside the threaded sleeve left and right side internal screw thread correspondence be reversed.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes third shaft and bottom plate, the top of the third shaft
End is connect with the bottom end of the placement plate, and the top of the bottom plate is provided with fixing groove, and fixing groove is internally provided with fixation
Ball bearing, the bottom end of suffered third shaft are inserted and fixed inside installation to fixed ball bearing.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention, further includes four groups of asessory shafts and four groups of auxiliary gear rings, and described four
Group auxiliary gear ring is fixedly set in respectively in the middle part of the outer wall of four groups of asessory shafts, and fixed on the outer wall of the third shaft
It is set with active gear ring, front left side, left rear side, forward right side and the right lateral side of the placement plate bottom end are correspondingly arranged on four groups and assist
Slot, and be correspondingly arranged on four groups inside auxiliary tank on four groups and assist ball bearing, the top difference of four groups of asessory shafts
It is inserted and fixed installation to assist inside ball bearing on four groups, front left side, left rear side, forward right side and the right side on the bottom plate top
Rear side is correspondingly arranged on auxiliary tank under four groups, and the inside of auxiliary tank is correspondingly arranged on auxiliary ball axis under four groups under four groups
It holds, the bottom end of four groups of asessory shafts is inserted and fixed installation to inside auxiliary ball bearing, described four groups auxiliary under four groups respectively
Gear ring is helped to engage with the active gear ring.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes four groups of self-locking idler wheels, four groups of self-locking idler wheels
Top is connect with front left side, left rear side, forward right side and the right lateral side of the bottom plate bottom end respectively.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes headrest, the bottom end of the headrest and the chair back
Top middle portion connection.
Beneficial effects of the present invention are compared with prior art：Two groups of right-hand thread pipes can be adjusted with synchronous rotary, make two groups
Right-hand thread bar carries out spinning in and out inside two groups of right-hand thread pipes respectively, and the rotatable support of support rod and support ring is cooperated to make
With alloing cushion to carry out the adjusting in angle centered on support ring, rotate two groups of locking nuts, by two groups of locking nuts
Bottom end is contacted with the locking of the top of two groups of right-hand thread pipes respectively, and the position of two groups of right-hand thread pipes after adjusting is fixed, and
And can carry out stablizing support by two groups of atmospheric pressure poles, adaptability is improved, reduces and uses limitation；And first can be passed through
Shaft rotation pivoted arm rotates supporting plate and accessory plate makes the right end of accessory plate be adjacent to thoracic cavity to the front of students in middle and primary schools, and can
To be supported the ancon of students in middle and primary schools by supporting plate, it is consistent ancon with height of table top, so as to students in middle and primary schools
Thoracic cavity and ancon supported well, reduce for a long time using caused neck and shoulder fatigue, and can be by the
Bayonet lock is gone to the front end of pivoted arm by two shafts, and the preceding end in contact of the rear end and pivoted arm that make bayonet lock is blocked, and pivoted arm is fixed, is mentioned
High use reliability.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the left view structural representation of the connections such as supporting plate and accessory plate of the present invention；
Fig. 3 is the right side structural representation of the connections such as right-hand thread pipe and front shoe of the present invention；
Fig. 4 is the partial enlargement structural representation at A of the present invention；
It is marked in attached drawing：1, cushion；2, the chair back；3, posture corrective belt；4, placement plate；5, support ring；6, support rod；7, stiffening plate；8,
Upper left twists ring；9, atmospheric pressure pole；10, right-hand thread bar；11, right-hand thread pipe；12, locking nut；13, front shoe；14, supporting plate；15,
Accessory plate；16, strut；17, pivoted arm；18, first rotating shaft；19, overhead gage；20, bayonet lock；21, left-hand thread bar；22, left-hand thread pipe；
23, slide plate；24, antiskid pedal；25, left lead screw；26, right shell body；27, threaded sleeve；28, third shaft；29, bottom plate；30, auxiliary
Help axis；31, gear ring is assisted；32, self-locking idler wheel；33, it rests the head on.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figures 1 to 4, a kind of students in middle and primary schools' chair for correcting sitting posture of the invention, including cushion 1, the chair back 2 and posture corrective belt
3, the bottom end of the chair back and the top right side of cushion connect, and posture corrective belt is arranged on the upside of the front end of the chair back；Including placement plate 4, support
7, two groups of ring 5, support rod 6, stiffening plate upper lefts twist 8, two groups of lower-lefts of ring and twist ring, two groups of atmospheric pressure poles 9, two groups of upper rights strand rings, two groups
10, two groups of right-hand thread bar, 11, two groups of right-hand thread pipe locking nut 12, front shoe 13 and rear fixed plate, the bottom end of stiffening plate with
The top middle portion of placement plate connects, and the bottom end of support rod and the top of stiffening plate connect, the top of support ring and cushion
Center bottom connection, and the upside of support rod is rotatably connected with support ring by support spin axis, and two groups of upper lefts twist the top of ring
End connect respectively with the front left side of cushion bottom end and left rear side, and the top output port of two groups of atmospheric pressure poles respectively with two groups of upper lefts
Ring is twisted to be rotatably connected by two groups of upper left spin axis, the bottom end of two groups of lower-lefts strand ring respectively with the front left side on placement plate top and a left side
Rear side connection, and the downside of two groups of atmospheric pressure poles respectively with two groups under twist ring and be rotatably connected by two groups of lower-left spin axis, two groups
The forward right side that upper right twists the top difference cushion bottom end of ring is connected with right lateral side, and the top of two groups of right-hand thread bars is respectively set
There is retainer plate on two groups, and the top of two groups of right-hand thread bars passes through retainer plate and two groups of upper rights on two groups respectively and twists ring by two
Group upper right spin axis is rotatably connected, the bottom end of the front shoe and rear fixed plate forward right side and right lateral side with placement plate top respectively
Connection, and rotation axis is connected between front shoe and rear fixed plate, the front end of rotation axis and the rear end of front shoe
Connection, the bottom end of two groups of right-hand thread pipes is respectively arranged with two groups of adjustable plates, and the top of two groups of adjustable plates is respectively arranged with two
Group swivelling chute, and two groups of swing roller bearings are respectively arranged with inside two groups of swivelling chutes, the bottom end insertion of two groups of right-hand thread pipes
And two groups of swing roller Bearing inners are fixedly installed to, and the bottom end of two groups of adjustable plates is fixedly connected to be provided under two groups and fix
Circle, and the rear end of rotation axis can be slid through retainer plate inside under two groups respectively and extend out to the extraneous front end with rear fixed plate
Connection, the bottom end of two groups of right-hand thread bars is inserted into respectively and spiral shell is filled to inside the top of two groups of right-hand thread pipes, two groups of locking screw mother stocks
Other spiral shell encapsulation is located on two groups of right-hand thread bars；Further include supporting plate 14, accessory plate 15, strut 16, pivoted arm 17, first rotating shaft 18, on
The rear end of baffle 19, lower baffle plate, the second shaft and bayonet lock 20, overhead gage and lower baffle plate respectively with the front center of cushion on the upside of and
Downside connection, and the bottom end of overhead gage is provided with placing groove, and upper placing groove is internally provided with upper ball bearing, lower placing groove
It is internally provided with lower ball bearing, the top of first rotating shaft is inserted and fixed inside installation to upper ball bearing, and first turn
The bottom end of axis is inserted and fixed inside installation to lower ball bearing, is connect on the right side of the rear end of pivoted arm with the front end of first rotating shaft, is propped up
The bottom end of bar and the top left hand of pivoted arm connect, and middle part connects on front side of the top of strut and the bottom end of supporting plate, accessory plate
The front end upside of the connection of the top right side central of bottom end and supporting plate, cushion is provided with steering slot, and turns to slot and be internally provided with
Ball bearing is turned to, the rear end of the second shaft is inserted and fixed inside installation to steering ball bearing, and on the rear end of bayonet lock
Side is connect with the front end of the second shaft；Two groups of right-hand thread pipes can be adjusted with synchronous rotary, make two groups of right-hand thread bars respectively at two groups
Spinning in and out are carried out inside right-hand thread pipe, cooperate the rotatable supporting role of support rod and support ring, allow cushion to support
Centered on ring carry out angle on adjusting, rotate two groups of locking nuts, by the bottom end of two groups of locking nuts respectively with two groups of right spiral shells
Contact is locked on the top of line pipe, the position of two groups of right-hand thread pipes after adjusting is fixed, and can pass through two groups of air pressures
Bar carries out stablizing support, improves adaptability, reduces and uses limitation；And pivoted arm can be rotated by first rotating shaft by supporting plate
Rotate with accessory plate makes the right end of accessory plate be adjacent to thoracic cavity to the front of students in middle and primary schools, and can be by supporting plate by middle and primary schools
Raw ancon is supported, and is consistent ancon with height of table top, is carried out very so as to the thoracic cavity of students in middle and primary schools and ancon
Good support is reduced for a long time using caused neck and shoulder fatigue, and can be gone to bayonet lock by the second shaft
The preceding end in contact of the front end of arm, the rear end and pivoted arm that make bayonet lock is blocked, and pivoted arm is fixed, and improves use reliability.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes two groups of left-hand thread bars, 21, two groups of left-hand thread pipes 22, sliding
Plate 23 and antiskid pedal 24, the bottom end of slide plate are provided with sliding block, are laterally correspondingly arranged on the top left hand left and right directions of placement plate
There is sliding slot, sliding block is arranged inside sliding slot, and sliding block is in sliding fit with the sliding chute, and is respectively set on front side of the top of slide plate with rear side
There are preceding regulating tank and rear regulating tank, and is respectively arranged with preceding ball bearing and rear ball axis inside preceding regulating tank and rear regulating tank
It holds, the bottom end of two groups of left-hand thread pipes is inserted and fixed respectively inside installation to preceding ball bearing and rear ball bearing, two groups of left spiral shells
The bottom end of rasp bar be inserted into respectively and spiral shell be filled to inside the top of two groups of left-hand thread pipes, and the top of two groups of left-hand thread bars respectively with
The bottom end forward right side of antiskid pedal is connected with right lateral side；It can carry out placing branch by both feet of the antiskid pedal to students in middle and primary schools
Support, relieves fatigue, and can adjust the height of antiskid pedal, while can slide by two groups of left-hand thread pipes of synchronous rotary
Slide plate adjusts the position of antiskid pedal, facilitates students in middle and primary schools to adjust the position for being suitble to oneself both feet to place, improves adaptability, mention
High practicability.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes left lead screw 25, right lead screw, right shell body 26 and thread bush
Pipe 27, the left end of left lead screw and the right end of slide plate connect, and the right end of forefathers' lead screw is inserted into the left side that simultaneously spiral shell is filled to threaded sleeve
End is internal, the left end insertion of right lead screw and spiral shell is filled to inside the right end of threaded sleeve, and the right end of right lead screw and right shell body
Left end connection, the bottom end of right shell body and the top of placement plate connect, and the thread rotary orientation of left lead screw and right lead screw is reversed, and
Left and right side internal screw thread correspondence inside threaded sleeve is reversed；Since the screw thread on left lead screw and right lead screw is set on the contrary
It sets, and internal screw thread internal in matching thread casing is reversed, left lead screw and right silk can be made by rotating threaded sleeve
Thick stick synchronizes precession and back-out inside threaded sleeve, facilitates and slide plate is pulled to carry out left and right adjusting, and can be to the cunning after adjusting
The position of plate is fixed, easy to operate raising practicability.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes third shaft 28 and bottom plate 29, the top of third shaft
End is connect with the bottom end of placement plate, and the top of bottom plate is provided with fixing groove, and fixing groove is internally provided with fixed ball bearing,
The bottom end of suffered third shaft is inserted and fixed inside installation to fixed ball bearing；Whole turn can be facilitated by third shaft
It is dynamic, improve adaptability.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention, further includes four groups of asessory shafts 30 and four groups of auxiliary gear rings 31, and four
Group auxiliary gear ring is fixedly set in respectively in the middle part of the outer wall of four groups of asessory shafts, and fixing sleeve is equipped with master on the outer wall of third shaft
Movable tooth circle, front left side, left rear side, forward right side and the right lateral side of placement plate bottom end are correspondingly arranged auxiliary tank on four groups, and four groups
It is correspondingly arranged on inside upper auxiliary tank on four groups and assists ball bearing, the top of four groups of asessory shafts is inserted and fixed installation extremely respectively
It is assisted inside ball bearing on four groups, front left side, left rear side, forward right side and the right lateral side on bottom plate top are correspondingly arranged under four groups
Auxiliary tank, and the inside of auxiliary tank is correspondingly arranged under four groups and assists ball bearing under four groups, the bottom end point of four groups of asessory shafts
It is not inserted and fixed installation to inside auxiliary ball bearing, four groups of auxiliary gear rings are engaged with active gear ring under four groups；It can lead to
Four groups of asessory shafts are crossed to carrying out stablizing Auxiliary support between placement plate and bottom plate, and by four groups of driven gear rings of auxiliary and actively
Engagement between gear ring improves the rotation enabling capabilities of third shaft.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention further includes four groups of self-locking idler wheels 32, the top of four groups of self-locking idler wheels
End is connect with the front left side of bottom plate bottom end, left rear side, forward right side and right lateral side respectively；Facilitate overall movement.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention, further includes headrest 33, in the bottom end of headrest and the top of the chair back
Portion's connection；Facilitate students in middle and primary schools head to place, relieves fatigue.
A kind of students in middle and primary schools' chair for correcting sitting posture of the invention at work first will be entirely through four groups of self-locking idler wheels
It is moved to required position, then locks four groups of self-locking idler wheels, two groups of right-hand thread pipes of synchronous rotary, adjustment cushion to suitable angle
Degree, and two groups of locking nuts are tightened respectively, then students in middle and primary schools are sitting on cushion, are adjusted in synchronism two groups of left-hand thread pipes and rotation spiral shell
Antiskid pedal is adjusted to the suitable position of support both feet by line casing, and then both arms put on posture corrective belt, head right end contact head
Pillow rotates pivoted arm, the right end of accessory plate is adjacent to thoracic cavity, and duplex is placed on supporting plate, and rotates the second shaft, makes bayonet lock will
Pivoted arm clamping when needing whole turn to, carries out unitary rotation by third shaft.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of students in middle and primary schools' chair for correcting sitting posture, including cushion（1）, the chair back（2）And posture corrective belt（3）, the chair back（2）Bottom end and seat
Pad（1）Top on the right side of connection, posture corrective belt（3）It is arranged in the chair back（2）Front end on the upside of；It is characterised in that it includes placement plate
（4）, support ring（5）, support rod（6）, stiffening plate（7）, two groups of upper lefts twist ring（8）, two groups of lower-lefts twist ring, two groups of atmospheric pressure poles（9）,
Two groups of upper rights twist ring, two groups of right-hand thread bars（10）, two groups of right-hand thread pipes（11）, two groups of locking nuts（12）, front shoe（13）
And rear fixed plate, the stiffening plate（7）Bottom end and the placement plate（4）Top middle portion connection, and the support rod（6）
Bottom end and the stiffening plate（7）Top connection, the support ring（5）Top and the cushion（1）Center bottom connect
It connects, and the support rod（6）Upside and the support ring（5）By supporting spin axis to be rotatably connected, two groups of upper lefts
Twist ring（8）Top respectively with the cushion（1）The front left side of bottom end is connected with left rear side, and two groups of atmospheric pressure poles（9）
Top output port twist rings with two groups of upper lefts respectively（8）It is rotatably connected by two groups of upper left spin axis, two groups of lower-lefts twist ring
Bottom end respectively with the placement plate（4）The front left side on top is connected with left rear side, and two groups of atmospheric pressure poles（9）Downside
Respectively with two groups under twist ring and be rotatably connected by two groups of lower-left spin axis, two groups of upper rights twist the top difference cushion of ring
（1）The forward right side of bottom end is connected with right lateral side, and two groups of right-hand thread bars（10）Top be respectively arranged on two groups it is solid
Fixed circle, and two groups of right-hand thread bars（10）Top pass through retainer plate and two groups of upper rights on two groups respectively and twist ring by two groups
Upper right spin axis is rotatably connected, the front shoe（13）With the bottom end of rear fixed plate respectively with the placement plate（4）Top
Forward right side is connected with right lateral side, and the front shoe（13）It is connected with rotation axis between rear fixed plate, described turn
The front end of moving axis and the front shoe（13）Rear end connection, two groups of right-hand thread pipes（11）Bottom end be respectively arranged with two
Group adjustable plate, and the top of two groups of adjustable plates is respectively arranged with two groups of swivelling chutes, and is respectively set inside two groups of swivelling chutes
There are two groups of swing roller bearings, two groups of right-hand thread pipes（11）Bottom end be inserted and fixed installation to two groups of swing roller bearings
Inside, and the bottom end of two groups of adjustable plates is fixedly connected and is provided with retainer plate under two groups, and the rear end of the rotation axis
Can be slid through under two groups respectively inside retainer plate and extend out to it is extraneous connect with the front end of the rear fixed plate, two groups of right sides
Threaded rod（10）Bottom end be inserted into respectively and spiral shell be filled to two groups of right-hand thread pipes（11）Top inside, two groups of locking nuts
（12）Spiral shell encapsulation is located at two groups of right-hand thread bars respectively（10）On；It further include supporting plate（14）, accessory plate（15）, strut（16）,
Pivoted arm（17）, first rotating shaft（18）, overhead gage（19）, lower baffle plate, the second shaft and bayonet lock（20）, the overhead gage（19）With under
The rear end of baffle respectively with the cushion（1）The connection of front center the upper side and lower side, and overhead gage（19）Bottom end setting
There is a upper placing groove, upper placing groove is internally provided with upper ball bearing, and lower placing groove is internally provided with lower ball bearing, and described first
Shaft（18）Top be inserted and fixed installation to inside upper ball bearing, and first rotating shaft（18）Bottom end be inserted and fixed
Inside installation to lower ball bearing, the pivoted arm（17）Rear end on the right side of with the first rotating shaft（18）Front end connection, it is described
Strut（16）Bottom end and the pivoted arm（17）Top left hand connection, and strut（16）Top and the supporting plate（14）'s
Middle part connection, the accessory plate on front side of bottom end（15）Bottom end and the supporting plate（14）Top right side central connection, the seat
Pad（1）Front end on the upside of be provided with steering slot, and turn to slot and be internally provided with steering ball bearing, after second shaft
End is inserted and fixed inside installation to steering ball bearing, and the bayonet lock（20）Rear upper side and second shaft
Front end connection.
2. a kind of students in middle and primary schools' chair for correcting sitting posture as described in claim 1, which is characterized in that further include two groups of left-hand thread bars
（21）, two groups of left-hand thread pipes（22）, slide plate（23）And antiskid pedal（24）, the slide plate（23）Bottom end be provided with sliding block, institute
State placement plate（4）Top left hand left and right directions on be laterally correspondingly arranged on sliding slot, the sliding block is arranged inside sliding slot, and
Sliding block is in sliding fit with the sliding chute, slide plate（23）Top on front side of and rear side be respectively arranged with preceding regulating tank and rear regulating tank, and
Preceding ball bearing and rear ball bearing, two groups of left-hand thread pipes are respectively arranged with inside preceding regulating tank and rear regulating tank（22）'s
Bottom end is inserted and fixed respectively inside installation to preceding ball bearing and rear ball bearing, two groups of left-hand thread bars（21）Bottom end
Simultaneously spiral shell is filled to two groups of left-hand thread pipes for insertion respectively（22）Top inside, and two groups of left-hand thread bars（21）Top respectively with institute
State antiskid pedal（24）Bottom end forward right side connected with right lateral side.
3. a kind of students in middle and primary schools' chair for correcting sitting posture as claimed in claim 2, which is characterized in that further include left lead screw（25）, it is right
Lead screw, right shell body（26）And threaded sleeve（27）, the left lead screw（25）Left end and the slide plate（23）Right end connection, and
And simultaneously spiral shell is filled to threaded sleeve for the right end insertion of forefathers' lead screw（27）Left end inside, the insertion of the left end of the right lead screw and spiral shell dress
To the threaded sleeve（27）Right end inside, and the right end of right lead screw and the right shell body（26）Left end connection, right gear
Plate（26）Bottom end and the placement plate（4）Top connection, the left lead screw（25）It is set on the contrary with the thread rotary orientation of right lead screw
It sets, and the threaded sleeve（27）Internal left and right side internal screw thread correspondence is reversed.
4. a kind of students in middle and primary schools' chair for correcting sitting posture as claimed in claim 3, which is characterized in that further include third shaft（28）With
Bottom plate（29）, the third shaft（28）Top and the placement plate（4）Bottom end connection, and the bottom plate（29）Top
End is provided with fixing groove, and fixing groove is internally provided with fixed ball bearing, suffered third shaft（28）Bottom end be inserted and fixed
Inside installation to fixed ball bearing.
5. a kind of students in middle and primary schools' chair for correcting sitting posture as claimed in claim 4, which is characterized in that further include four groups of asessory shafts（30）
With four groups of auxiliary gear rings（31）, four groups of auxiliary gear rings（31）It is fixedly set in four groups of asessory shafts respectively（30）Outer wall
Middle part, and the third shaft（28）Outer wall on fixing sleeve be equipped with active gear ring, the placement plate（4）Bottom end it is left front
Side, left rear side, forward right side and right lateral side are correspondingly arranged auxiliary tank on four groups, and are correspondingly arranged on four inside auxiliary tank on four groups
Ball bearing, four groups of asessory shafts are assisted in group（30）Top be inserted and fixed installation respectively to assisting ball axis on four groups
Hold inside, the bottom plate（29）Front left side, left rear side, forward right side and the right lateral side on top are correspondingly arranged on auxiliary tank under four groups,
And the inside of auxiliary tank, which is correspondingly arranged under four groups, under four groups assists ball bearing, four groups of asessory shafts（30）Bottom end point
It is not inserted and fixed installation to assist inside ball bearing under four groups, four groups of auxiliary gear rings（31）With the active gear ring
Engagement.
6. a kind of students in middle and primary schools' chair for correcting sitting posture as claimed in claim 5, which is characterized in that further include four groups of self-locking idler wheels
（32）, four groups of self-locking idler wheels（32）Top respectively with the bottom plate（29）The front left side of bottom end, left rear side, forward right side and
Right lateral side connection.
7. a kind of students in middle and primary schools' chair for correcting sitting posture as claimed in claim 6, which is characterized in that further include headrest（33）, described
Headrest（33）Bottom end and the chair back（2）Top middle portion connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584024.4A CN108835914A (en) | 2018-06-08 | 2018-06-08 | A kind of students in middle and primary schools' chair for correcting sitting posture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584024.4A CN108835914A (en) | 2018-06-08 | 2018-06-08 | A kind of students in middle and primary schools' chair for correcting sitting posture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108835914A true CN108835914A (en) | 2018-11-20 |
Family
ID=64211506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810584024.4A Withdrawn CN108835914A (en) | 2018-06-08 | 2018-06-08 | A kind of students in middle and primary schools' chair for correcting sitting posture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108835914A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273871A (en) * | 2020-10-31 | 2021-01-29 | 江西宝顺实业有限公司 | Height-adjustable tablet chair with storage function |
| CN114847652A (en) * | 2022-06-01 | 2022-08-05 | 山东精至文具加工有限公司 | School desk and chair |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601055Y (en) * | 2003-01-23 | 2004-01-28 | 蔡玉科 | Twin desk/chair for student |
| CN101933729A (en) * | 2010-08-24 | 2011-01-05 | 苏州恩信家具有限公司 | Regulating chair |
| CN201814155U (en) * | 2010-09-30 | 2011-05-04 | 张峰 | Chair for correcting sitting posture |
| CN201948339U (en) * | 2011-02-21 | 2011-08-31 | 王子豪 | Position-correcting chair for senior high school students |
| EP2702901A1 (en) * | 2012-08-27 | 2014-03-05 | Ulstein Power & Control AS | Seat arrangement |
-
2018
- 2018-06-08 CN CN201810584024.4A patent/CN108835914A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601055Y (en) * | 2003-01-23 | 2004-01-28 | 蔡玉科 | Twin desk/chair for student |
| CN101933729A (en) * | 2010-08-24 | 2011-01-05 | 苏州恩信家具有限公司 | Regulating chair |
| CN201814155U (en) * | 2010-09-30 | 2011-05-04 | 张峰 | Chair for correcting sitting posture |
| CN201948339U (en) * | 2011-02-21 | 2011-08-31 | 王子豪 | Position-correcting chair for senior high school students |
| EP2702901A1 (en) * | 2012-08-27 | 2014-03-05 | Ulstein Power & Control AS | Seat arrangement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273871A (en) * | 2020-10-31 | 2021-01-29 | 江西宝顺实业有限公司 | Height-adjustable tablet chair with storage function |
| CN114847652A (en) * | 2022-06-01 | 2022-08-05 | 山东精至文具加工有限公司 | School desk and chair |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181120 |
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| WW01 | Invention patent application withdrawn after publication |