CN106264821B - It is a kind of that there is the school chair of spinal correction - Google Patents
It is a kind of that there is the school chair of spinal correction Download PDFInfo
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- CN106264821B CN106264821B CN201610998502.7A CN201610998502A CN106264821B CN 106264821 B CN106264821 B CN 106264821B CN 201610998502 A CN201610998502 A CN 201610998502A CN 106264821 B CN106264821 B CN 106264821B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
-
- 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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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention belongs to spinal correction technical field more particularly to a kind of there is the school chair of spinal correction.The technical problem to be solved in the present invention is to provide it is a kind of have the function of to correct vertebra, make the sitting posture of student is correct, can protect student vertebra, improve efficiency of listening to the teacher there is the school chair of spinal correction.In order to solve the above-mentioned technical problem, there is the school chair of spinal correction the present invention provides such a, include pedestal, the first button, fixed base plate, the second button, movable base plate, the first spring, mobile bar, backboard, bearing block, shaft, gear, rack etc.；The first button is connected by screw in pedestal among bottom, base top level is welded with fixed base plate.It is provided by the present invention it is a kind of there is the school chair of spinal correction, achieved the effect that can to make the sitting posture of student is correct, can protect student vertebra, improved efficiency of listening to the teacher.
Description
Technical field
The invention belongs to spinal correction technical field more particularly to a kind of there is the school chair of spinal correction.
Background technology
Spinal correction technology be exclusively used in reset deviation, subluxation vertebra, adjust a special kind of skill of spinal joint, it is similar
In the pulling and turning and bone-correcting skill of the traditional Chinese medical science, but there is the guidance of its Systems Theory, there is its distinctive skill of having an effect, be a science, efficient
Treatment technology.
Seat is that a kind of have the also armed thing to sit on of backrest, some.Ancient times sit on the ground, and without chair, " chair " is originally original
Wooden name.
Existing school chair does not have the function of correction vertebra also, and student sits upper class hour on the seat, if sitting posture is not
Correctly, get off for a long time, be easy to cause the lesion of student's vertebra, it is wrong due to pressure the interverbebral disc between vertebra section and section occur
Position, and affects the efficiency that student listens to the teacher simultaneously, therefore there is an urgent need for research and develop a kind of to have the function of correction vertebra, make the sitting posture of student just
Really, can protect the vertebra of student, improve listen to the teacher efficiency there is the school chair of spinal correction.
Invention content
(1) technical problems to be solved
The present invention gets off, easily makes in order to which existing school chair is overcome not have the function of correction vertebra also for a long time
Into the lesion of student's vertebra, the interverbebral disc occurred between vertebra section and section misplaces, and affect student simultaneously and listen to the teacher due to pressure
Efficiency the shortcomings that, the technical problem to be solved in the present invention is to provide it is a kind of have the function of correct vertebra, make the sitting posture of student just
Really, can protect the vertebra of student, improve listen to the teacher efficiency there is the school chair of spinal correction.
(2) technical solution
There is the school chair of spinal correction in order to solve the above technical problem, the present invention provides such a,
Include pedestal, the first button, fixed base plate, the second button, movable base plate, the first spring, mobile bar, backboard, bearing block,
Shaft, gear, rack, second spring, l-shaped rod, the first cylinder, movable plate, fixed plate, third spring, third button, the second gas
Cylinder, wedge block, contact roller, push rod, fixed stop, the 4th spring, push plate, sponge, sliding rail, sliding block and drawstring, bottom in pedestal
The first button is connected by screw among portion, base top level is welded with fixed base plate, and left part passes through on front side of fixed base plate
Screw is connected with the second button, and fixed base plate upper horizontal is equipped with movable base plate, the movable base plate bottom left and right sides and fixed seat
The first spring is connected between the left and right sides at the top of plate, one end of the first spring is connect by hook mode with movable base plate, the
The other end of one spring is connect by hook mode with fixed base plate, and the bottom center vertical of movable base plate is welded with mobile bar,
Mobile bar runs through fixed base plate, and mobile bar lower end the first button of face, base top right end vertical is by bolted connection
It is connected with backboard, the right side top of backboard is Embedded to be equipped with bearing block, is equipped with inner cavity in backboard, in bearing block
Shaft is horizontally installed with, the left part of shaft is connected with gear by way of key connection, and the rear vertical of gear is equipped with rack, tooth
Item is engaged with gear, is equipped with second spring between the top of rack and backboard, one end of second spring by hook mode with
Rack connects, and the other end of second spring is connect by hook mode with backboard, and rack and pinion is respectively positioned on interior intracavitary, shaft
Through backboard, the left end of shaft is connected with l-shaped rod by way of key connection, and horizontal plane is vertically through bolt on the inside of l-shaped rod
The mode of connection is connected with the first cylinder, and level is welded with movable plate on the telescopic rod of the first cylinder, and l-shaped rod medial shaft faces water directly
Downhand welding is connected to fixed plate, and third spring, third are connected between the left and right sides of movable plate top at left and right sides of fixed plate bottom
One end of spring is connect by hook mode with fixed plate, and the other end of third spring is connect by hook mode with movable plate,
Movable plate crown center has been connected by screw third button, the side that the external right side face lower vertical of backboard is bolted
Formula is connected with the second cylinder, and wedge block is welded on the telescopic rod of the second cylinder, and the left of wedge block is equipped with contact roller, contact
Idler wheel is contacted with wedge block, and horizontal on contact roller to be equipped with push rod, push rod is connect with contact roller rotary type, and push rod runs through backrest
Plate, the left part front side vertical of push rod are welded with fixed stop, and the 4th bullet is connected between right side in fixed stop and backboard
Spring, one end of the 4th spring are connect by hook mode with fixed stop, and the other end of the 4th spring is by hook mode with leaning on
Backboard connects, and the left end of push rod is welded with push plate vertically, and push plate and fixed stop are respectively positioned on interior intracavitary, the left side central portion of backboard
Equipped with sponge, the interior left side lower vertical of backboard is welded with sliding rail, and slidingtype is connected with sliding block, sliding block and sliding rail on sliding rail
It is slidably matched, the left side of sliding block and the right side of movable base plate are connected by welding manner, and the top of sliding block passes through hook side
Formula is connected with drawstring, and the end of drawstring is connect by hook mode with rack bottom, and the first cylinder and the second cylinder are with first
There is circuit connection between button and the second button, third button and the first cylinder have circuit connection.
Preferably, it has further included and has been flexible coupling, be connected by screw between movable base plate bottom and fixed base plate top soft
Connection, the first spring is in being flexible coupling.
Preferably, guide sleeve has been further included, left side level is welded with guide sleeve in pedestal, and mobile bar passes through guide sleeve, mobile bar
It is slidably matched with guide sleeve.
Preferably, cushion has been further included, cushion is equipped at the top of movable base plate.
Preferably, drawstring is steel wire rope.
Preferably, the material of fixed plate is rubber.
Operation principle：Student is sitting on movable base plate, and again against backboard, movable base plate moves down the back of the body of student, sliding
Block slide downward on sliding rail, while rack is pulled to move down by drawstring, rack moves down band moving gear and turns clockwise
It is 180 ° dynamic, and then shaft is driven to rotate clockwise 180 °, so as to which l-shaped rod be driven to rotate clockwise 180 °, l-shaped rod rotates clockwise
180 ° will be stuck on the shoulder of student, the first spring be compressed while movable base plate moves down, while mobile bar moves down,
Mobile bar will touch the first button, at this point, the elongation of the first cylinder and the second cylinder extend completely, the elongation of the first cylinder, which drives, lives
Movable plate is moved to fixed plate direction, while compresses third spring, and third button moves therewith to fixed plate direction, when third button
When touching fixed plate, the first cylinder stops elongation, illustrates that the shoulder of student is stuck at this time；Second cylinder extends drive completely
Wedge block moves up a distance, and contact roller is rolled along wedge block wedge surface, and then push rod is driven to be moved to the left a distance,
4th spring is stretched, and push rod, which is moved to the left, drives push plate to be moved to the left a distance, and push plate is moved to the left a distance and will push away
Dynamic sponge, so as to which the back of student be withstood, so can just make the back of the body of student straight, therefore be corrected the vertebra of student.
When student will leave, the second button is pressed, the first cylinder shortens completely and the second cylinder shortens completely, and the first cylinder contracts completely
The short shoulder for causing student is no longer stuck；Second cylinder shortens completely drives wedge block to move down a distance, contact rolling
Wheel is rolled along wedge block wedge surface, under the action of the 4th spring so that push rod moves right a distance, and push rod moves right one
Segment distance drives push plate to move right a distance, and the push plate a distance that moves right will be contacted no longer with sponge, convenient for student
Next time uses.Student leaves movable base plate, under the action of the first spring so that movable base plate moves up reset, and sliding block exists
Upward sliding on sliding rail, under the action of second spring so that rack moves up reset, and it is inverse that rack moves up band moving gear
Hour hands rotate 180 ° of right sides, set back so as to which l-shaped rod be driven to rotate counterclockwise 180 °.
It is flexible coupling because having further included, soft company has been connected by screw between movable base plate bottom and fixed base plate top
It connects, for the first spring in being flexible coupling, being flexible coupling can avoid the gap between movable base plate and fixed base plate from clipping to student's
Hand improves safety.
Because having further included guide sleeve, left side level is welded with guide sleeve in pedestal, and mobile bar passes through guide sleeve, and mobile bar is with leading
Set is slidably matched, mobile bar slide downward in guide sleeve, can more accurately touch the first button.
Because having further included cushion, cushion is equipped at the top of movable base plate, student is sitting on the cushion of movable base plate, can feel
Feel more comfortable, fatigue-relieving.
Because drawstring is steel wire rope, steel wire rope is wear-resisting, antidetonation, and with higher tensile strength, fatigue strength and impact
Toughness；It is more durable.
Because the material of fixed plate be rubber, the quality of rubber is softer, can when fixed plate blocks the shoulder of student,
The shoulder of student is made not feel as feeling of pain.
(3) advantageous effect
It is provided by the present invention it is a kind of there is the school chair of spinal correction, the sitting posture of student can be made just by having reached
Really, the vertebra of student can be protected, improve the effect for efficiency of listening to the teacher.
Description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is second of main structure diagram of the present invention.
Fig. 3 is the third main structure diagram of the present invention.
Fig. 4 is the 4th kind of main structure diagram of the present invention.
Label in attached drawing for：1- pedestals, the first buttons of 2-, 3- fixed base plates, the second buttons of 4-, 5- movable base plates, 6-
First spring, 7- mobile bars, 8- backboards, 9- bearing blocks, 10- inner cavities, 11- shafts, 12- gears, 13- racks, the second bullets of 14-
Spring, 15-L type bars, the first cylinders of 16-, 17- movable plates, 18- fixed plates, 19- third springs, 20- third buttons, the second gas of 21-
Cylinder, 22- wedge blocks, 23- contact rollers, 24- push rods, 25- fixed stops, the 4th springs of 26-, 27- push plates, 28- sponges, 29-
Sliding rail, 30- sliding blocks, 31- drawstrings, 32- are flexible coupling, 33- guide sleeves, 34- cushions.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
It is a kind of that there is the school chair of spinal correction, as shown in Figs 1-4, include pedestal 1, the first button 2, fix
Seat board 3, the second button 4, movable base plate 5, the first spring 6, mobile bar 7, backboard 8, bearing block 9, shaft 11, gear 12, tooth
Articles 13, second spring 14, l-shaped rod 15, the first cylinder 16, movable plate 17, fixed plate 18, third spring 19, third button 20,
Two cylinders 21, wedge block 22, contact roller 23, push rod 24, fixed stop 25, the 4th spring 26, push plate 27, sponge 28, sliding rail
29th, sliding block 30 and drawstring 31 have been connected by screw the first button 2 in pedestal 1 among bottom, and 1 top horizontal of pedestal is welded with
Fixed base plate 3,3 front side left part of fixed base plate have been connected by screw the second button 4, and 3 upper horizontal of fixed base plate is equipped with activity
Seat board 5 is connected with the first spring 6, the first bullet between 5 bottom of the movable base plate left and right sides and the 3 top left and right sides of fixed base plate
One end of spring 6 is connect by hook mode with movable base plate 5, and the other end of the first spring 6 passes through hook mode and fixed base plate 3
Connection, the bottom center vertical of movable base plate 5 are welded with mobile bar 7, and mobile bar 7 runs through fixed base plate 3, and mobile bar 7 time is proper
To the first button 2,1 top right end of pedestal is connected with backboard 8, the right side of backboard 8 vertically through bolted mode
Top is Embedded to be equipped with bearing block 9, and inner cavity 10 is equipped in backboard 8, shaft 11, shaft are horizontally installed in bearing block 9
11 left part is connected with gear 12 by way of key connection, and the rear vertical of gear 12 is equipped with rack 13, rack 13 and gear
12 engagements, are equipped with second spring 14 between the top of rack 13 and backboard 8, one end of second spring 14 by hook mode with
Rack 13 connects, and the other end of second spring 14 is connect by hook mode with backboard 8, in rack 13 and gear 12 are respectively positioned on
In chamber 10, shaft 11 runs through backboard 8, and the left end of shaft 11 is connected with l-shaped rod 15 by way of key connection, in l-shaped rod 15
Side horizontal plane is connected with the first cylinder 16 vertically through bolted mode, and level is welded on the telescopic rod of the first cylinder 16
Movable plate 17,15 medial shaft of l-shaped rod face horizontal welding directly and are connected to fixed plate 18, pushed up at left and right sides of 18 bottom of fixed plate with movable plate 17
Third spring 19 is connected between at left and right sides of portion, one end of third spring 19 is connect by hook mode with fixed plate 18, the
The other end of three springs 19 is connect by hook mode with movable plate 17, and 17 crown center of movable plate has been connected by screw third
Button 20, the external right side face lower vertical of backboard 8 are connected with the second cylinder 21, the second cylinder 21 by bolted connection
Telescopic rod on be welded with wedge block 22, the left of wedge block 22 is equipped with contact roller 23, and contact roller 23 connects with wedge block 22
It touching, horizontal on contact roller 23 to be equipped with push rod 24, push rod 24 is connect with 23 rotary type of contact roller, and push rod 24 runs through backboard 8,
The left part front side vertical of push rod 24 is welded with fixed stop 25, and is connected between right side in fixed stop 25 and backboard 8
Four springs 26, one end of the 4th spring 26 are connect by hook mode with fixed stop 25, and the other end of the 4th spring 26 passes through
Hook mode is connect with backboard 8, and the left end of push rod 24 is welded with push plate 27 vertically, and push plate 27 and fixed stop 25 are respectively positioned on interior
In chamber 10, the left side central portion of backboard 8 is equipped with sponge 28, and the interior left side lower vertical of backboard 8 is welded with sliding rail 29, sliding rail
Slidingtype is connected with sliding block 30 on 29, and sliding block 30 is slidably matched with sliding rail 29, the left side of sliding block 30 and the right side of movable base plate 5
Face is connected by welding manner, and the top of sliding block 30 is connected with drawstring 31 by hook mode, and the end of drawstring 31 passes through hook
Mode is connect with 13 bottom of rack, and the first cylinder 16 and the second cylinder 21 have circuit between the first button 2 and the second button 4
Connection, third button 20 have circuit to connect with the first cylinder 16.
It has further included and has been flexible coupling 32, be connected by screw and be flexible coupling between 3 top of 5 bottom of movable base plate and fixed base plate
32, the first spring 6, which is located at, to be flexible coupling in 32.
Guide sleeve 33 is further included, left side level is welded with guide sleeve 33 in pedestal 1, and mobile bar 7 passes through guide sleeve 33, mobile bar
7 are slidably matched with guide sleeve 33.
Cushion 34 is further included, 5 top of movable base plate is equipped with cushion 34.
Drawstring 31 is steel wire rope.
The material of fixed plate 18 is rubber.
Operation principle：Student is sitting on movable base plate 5, and again against backboard 8, movable base plate 5 moves down the back of the body of student,
The slide downward on sliding rail 29 of sliding block 30, while rack 13 is pulled to move down by drawstring 31, rack 13 moves down drive
Gear 12 rotates clockwise 180 °, and then shaft 11 is driven to rotate clockwise 180 °, so as to which l-shaped rod 15 be driven to rotate clockwise
180 °, l-shaped rod 15 rotates clockwise 180 ° and will be stuck on the shoulder of student, and movable base plate 5 compresses first while moving down
Spring 6, while mobile bar 7 moves down, mobile bar 7 will touch the first button 2, at this point, the elongation of the first cylinder 16 and second
Cylinder 21 extends completely, and the elongation of the first cylinder 16 drives movable plate 17 to be moved to 18 direction of fixed plate, while compress third spring
19, third button 20 moves therewith to 18 direction of fixed plate, and when third button 20 touches fixed plate 18, the first cylinder 16 stops
It only extends, illustrates that the shoulder of student is stuck at this time；The elongation completely of second cylinder 21 drive wedge block 22 move up one section away from
From contact roller 23 is rolled along 22 wedge surface of wedge block, and then push rod 24 is driven to be moved to the left a distance, and the 4th spring 26 is drawn
It stretches, push rod 24, which is moved to the left, drives push plate 27 to be moved to the left a distance, and push plate 27, which is moved to the left a distance, will push sponge
28, so as to which the back of student be withstood, it so can just make the back of the body of student straight, therefore be corrected the vertebra of student.Work as
When life will be left, the second button 4 is pressed, the first cylinder 16 shortens completely and the second cylinder 21 shortens completely, and the first cylinder 16 is complete
The full reduced short shoulder for causing student is no longer stuck；Second cylinder 21 shorten completely drive wedge block 22 move down one section away from
Rolled from, contact roller 23 along 22 wedge surface of wedge block, under the action of the 4th spring 26 so that push rod 24 move right one section away from
Push plate 27 is driven to move right a distance from, push rod 24 a distance that moves right, push plate 27 moves right a distance will
It no longer contacts with sponge 28, is used next time convenient for student.Student leaves movable base plate 5, under the action of the first spring 6 so that
Movable base plate 5 moves up reset, the upward sliding on sliding rail 29 of sliding block 30, under the action of second spring 14 so that rack
13 move up reset, and rack 13 moves up band moving gear 12 and rotates counterclockwise 180 ° of right sides, so as to drive l-shaped rod 15 counterclockwise
180 ° of rotation sets back.
It is flexible coupling 32 because having further included, has been connected by screw between 3 top of 5 bottom of movable base plate and fixed base plate soft
Connection 32, the first spring 6, which is located at, to be flexible coupling in 32, and being flexible coupling 32 can avoid gap between movable base plate 5 and fixed base plate 3
The hand of student is clipped to, improves safety.
Because having further included guide sleeve 33, left side level is welded with guide sleeve 33 in pedestal 1, and mobile bar 7 passes through guide sleeve 33, moves
Lever 7 is slidably matched with guide sleeve 33, and the slide downward in guide sleeve 33 of mobile bar 7 can more accurately touch the first button
2。
Because having further included cushion 34,5 top of movable base plate is equipped with cushion 34, and student is sitting in the cushion 34 of movable base plate 5
On, it can feel more comfortable, fatigue-relieving.
Because drawstring 31 is steel wire rope, steel wire rope is wear-resisting, antidetonation, and with higher tensile strength, fatigue strength and punching
Hit toughness；It is more durable.
Because the material of fixed plate 18 is rubber, the quality of rubber is softer, can be in fixed plate 18 by the shoulder card of student
When firmly, the shoulder of student is made not feel as feeling of pain.
Embodiment described above only expresses the preferred embodiment of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
1. a kind of have the function of the school chair of spinal correction, which is characterized in that includes pedestal（1）, the first button（2）, it is solid
Reservation plate（3）, the second button（4）, movable base plate（5）, the first spring（6）, mobile bar（7）, backboard（8）, bearing block（9）、
Shaft（11）, gear（12）, rack（13）, second spring（14）, l-shaped rod（15）, the first cylinder（16）, movable plate（17）, it is solid
Fixed board（18）, third spring（19）, third button（20）, the second cylinder（21）, wedge block（22）, contact roller（23）, push rod
（24）, fixed stop（25）, the 4th spring（26）, push plate（27）, sponge（28）, sliding rail（29）, sliding block（30）And drawstring（31）,
Pedestal（1）The first button has been connected by screw among interior bottom（2）, pedestal（1）Top horizontal is welded with fixed base plate（3）,
Fixed base plate（3）Front side left part has been connected by screw the second button（4）, fixed base plate（3）Upper horizontal is equipped with movable base plate
（5）, movable base plate（5）The bottom left and right sides and fixed base plate（3）The first spring is connected between at left and right sides of top（6）, the
One spring（6）One end pass through hook mode and movable base plate（5）Connection, the first spring（6）The other end pass through hook mode
With fixed base plate（3）Connection, movable base plate（5）Bottom center vertical be welded with mobile bar（7）, mobile bar（7）Through fixation
Seat board（3）, mobile bar（7）The first button of lower end face（2）, pedestal（1）Top right end connects vertically through bolted mode
It is connected to backboard（8）, backboard（8）Right side top Embedded bearing block is installed（9）, backboard（8）It is interior be equipped with it is interior
Chamber（10）, bearing block（9）Inside it is horizontally installed with shaft（11）, shaft（11）Left part gear is connected with by way of key connection
（12）, gear（12）Rear vertical be equipped with rack（13）, rack（13）With gear（12）Engagement, rack（13）Top with leaning on
Backboard（8）Between be equipped with second spring（14）, second spring（14）One end pass through hook mode and rack（13）Connection, second
Spring（14）The other end pass through hook mode and backboard（8）Connection, rack（13）And gear（12）It is respectively positioned on inner cavity（10）
It is interior, shaft（11）Through backboard（8）, shaft（11）Left end l-shaped rod is connected with by way of key connection（15）, l-shaped rod
（15）Inside horizontal plane is connected with the first cylinder vertically through bolted mode（16）, the first cylinder（16）Telescopic rod on
Level is welded with movable plate（17）, l-shaped rod（15）Medial shaft faces horizontal welding directly and is connected to fixed plate（18）, fixed plate（18）Bottom is left
Right both sides and movable plate（17）Third spring is connected between at left and right sides of top（19）, third spring（19）One end pass through extension
Hook mode and fixed plate（18）Connection, third spring（19）The other end pass through hook mode and movable plate（17）Connection, activity
Plate（17）Crown center has been connected by screw third button（20）, backboard（8）External right side face lower vertical pass through bolt
The mode of connection is connected with the second cylinder（21）, the second cylinder（21）Telescopic rod on be welded with wedge block（22）, wedge block
（22）Left be equipped with contact roller（23）, contact roller（23）With wedge block（22）Contact, contact roller（23）Upper level is set
There is push rod（24）, push rod（24）With contact roller（23）Rotary type connects, push rod（24）Through backboard（8）, push rod（24）'s
Left part front side vertical is welded with fixed stop（25）, fixed stop（25）With backboard（8）The 4th is connected between interior right side
Spring（26）, the 4th spring（26）One end pass through hook mode and fixed stop（25）Connection, the 4th spring（26）It is another
End passes through hook mode and backboard（8）Connection, push rod（24）Left end be welded with push plate vertically（27）, push plate（27）And fixation
Block（25）It is respectively positioned on inner cavity（10）It is interior, backboard（8）Left side central portion be equipped with sponge（28）, backboard（8）Interior left side
Lower vertical is welded with sliding rail（29）, sliding rail（29）Upper slidingtype is connected with sliding block（30）, sliding block（30）With sliding rail（29）It slides
Cooperation, sliding block（30）Left side and movable base plate（5）Right side connected by welding manner, sliding block（30）Top pass through
Hook mode is connected with drawstring（31）, drawstring（31）End pass through hook mode and rack（13）Bottom connects, the first cylinder
（16）With the second cylinder（21）With the first button（2）With the second button（4）Between have circuit connection, third button（20）With
One cylinder（16）There is circuit connection；It has further included and has been flexible coupling（32）, movable base plate（5）Bottom and fixed base plate（3）Between top
It has been connected by screw and has been flexible coupling（32）, the first spring（6）Positioned at being flexible coupling（32）It is interior；Guide sleeve is further included（33）, pedestal（1）
Interior left side level is welded with guide sleeve（33）, mobile bar（7）Across guide sleeve（33）, mobile bar（7）With guide sleeve（33）It is slidably matched.
A kind of there is the school chair of spinal correction 2. according to claim 1, which is characterized in that further included seat
Pad（34）, movable base plate（5）Top is equipped with cushion（34）.
A kind of there is the school chair of spinal correction 3. according to claim 1, which is characterized in that drawstring（31）For
Steel wire rope.
A kind of there is the school chair of spinal correction 4. according to claim 1, which is characterized in that fixed plate（18）
Material be rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998502.7A CN106264821B (en) | 2016-11-14 | 2016-11-14 | It is a kind of that there is the school chair of spinal correction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998502.7A CN106264821B (en) | 2016-11-14 | 2016-11-14 | It is a kind of that there is the school chair of spinal correction |
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| Publication Number | Publication Date |
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| CN106264821A CN106264821A (en) | 2017-01-04 |
| CN106264821B true CN106264821B (en) | 2018-06-29 |
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| CN201610998502.7A Active CN106264821B (en) | 2016-11-14 | 2016-11-14 | It is a kind of that there is the school chair of spinal correction |
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| CN108414714A (en) * | 2018-04-02 | 2018-08-17 | 江苏天宇检测技术有限公司 | A kind of water quality detecting device |
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