CN108567225A - Student desk and chair freely up and down regulating mechanism - Google Patents
Student desk and chair freely up and down regulating mechanism Download PDFInfo
- Publication number
- CN108567225A CN108567225A CN201810677900.8A CN201810677900A CN108567225A CN 108567225 A CN108567225 A CN 108567225A CN 201810677900 A CN201810677900 A CN 201810677900A CN 108567225 A CN108567225 A CN 108567225A
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- Prior art keywords
- slide plate
- hole
- plate
- chair
- position blocking
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- 230000002222 downregulating effect Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 61
- 230000000694 effects Effects 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000001737 promoting effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- A47B9/00—Tables with tops of variable height
- A47B9/06—Tables with tops of variable height with vertical toothed rack
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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
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
-
- 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
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
-
- 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
-
- 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
- A47C3/26—Chairs or stools with vertically-adjustable seats with vertical, or inclined toothed rack; with peg-and-notch mechanism
- A47C3/265—Chairs or stools with vertically-adjustable seats with vertical, or inclined toothed rack; with peg-and-notch mechanism with rack-and-pinion gearing
-
- 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
- A47B9/00—Tables with tops of variable height
- A47B9/06—Tables with tops of variable height with vertical toothed rack
- A47B2009/065—Tables with tops of variable height with vertical toothed rack having rack and pinion
Landscapes
- Combinations Of Kitchen Furniture (AREA)
Abstract
Student desk and chair freely up and down regulating mechanism, including upper, setting of casing, upper sleeve upper end connects desk or seat, setting of casing lower end connects table footing or chair footing, upper casing is inserted into setting of casing, fixed seat is set in the upper lower end, perforation is opened in fixed seat with before, slide plate hole afterwards, and it is left, right through-hole, adjustable plate is set in perforation, vertical adjustment hole is opened in adjustable plate, intermediate plate is formed between vertical adjustment hole, intermediate plate both sides fabrication position slot, before, lifting slide plate is set respectively in slide plate hole afterwards, lifting slide plate upper end connects slide plate driving device, lifting slide plate both sides are to face directly, lift skewed slot processed in slide plate both sides, it is left, position blocking pin is respectively set in right through-hole, connect former and later two tension springs between two position blocking pins in left and right, slide plate is lifted across two position blocking pins in left and right, position blocking pin is faced directly with the both sides of lifting slide plate or skewed slot matches.
Description
Technical field
The present invention relates to student desk and chair, more particularly to student desk and chair freely up and down regulating mechanism.
Background technology
Middle and primary schools' desk, chair specification it is generally mostly be unified, but the height difference of student's stature is bigger, in order to meet
The needs of height difference stature student, develop energy desk with adjustable, the table of chair height, chair leg in recent years, and traditional table, chair leg are adjusted
It is by being formed with connecting plate in the both sides of table, chair, the adjustment hole of multiple and different height being opened on connecting plate, is provided in table, chair leg
Mounting hole, table, chair leg both sides respectively pass through adjustment hole and mounting hole to be fixed through nut by two pieces of studs, the lifting of table, chair leg
Corresponding with the adjustment hole of different height by adjusting mounting hole, to reach the adjusting of lifting, which every time will when adjusting
First stud and nut are screwed down, then mounting hole is corresponding with the adjustment hole of desired height, finally tighten stud and nut, grasped
Make cumbersome, laborious, governing speed is slow, and a people is inconvenient for operation.
Invention content
The purpose of the invention is to overcome prior art there are the shortcomings that, provide one kind can upwards successively adjust and
Can successively adjust downwards, up and down adjustment freely, convenient student desk and chair freely up and down regulating mechanism.
The technical solution of student desk and chair of the present invention freely up and down regulating mechanism is：Including upper casing and setting of casing, upper set
The upper end connection desk or seat of pipe, cased lower end connection table footing or chair footing, upper casing is inserted into setting of casing, described
Upper lower end in fixed seat is set, perforating up and down, advancing slip film perforation and rear slide plate hole, Yi Jiqian are provided in fixed seat
The left through-hole and right through-hole penetrated through afterwards, is arranged adjustable plate in the perforation, adjustable plate is fixed in feet or chair leg, is being adjusted
It is provided with the two vertical adjustment holes in left and right in plate, forms intermediate plate between the two vertical adjustment holes in left and right, intermediate plate both sides are formed with phase
Lifting slide plate is respectively set in the forward and backward slide plate hole in corresponding screens slot, and the upper end connection slide plate for lifting slide plate drives dress
It sets, the both sides for lifting slide plate are to face directly, and the skewed slot symmetrically to concave, the left and right through-hole are formed in lifting slide plate both sides
In be respectively set position blocking pin, the position blocking pin in left side passes through the vertical adjustment hole on the left of left through-hole and adjustable plate, the position blocking pin on right side
Vertical adjustment hole on the right side of right through-hole and adjustable plate connects former and later two tension springs between two position blocking pins in left and right, described
Lifting slide plate across two position blocking pins in left and right, position blocking pin is faced directly or skewed slot matches with the both sides for lifting slide plate.
The invention discloses a kind of student desk and chair freely up and down regulating mechanism, when carrying out upper downward to desk, chair leg
When section, lifting slide plate is driven to move up by slide plate driving device, by inclined-plane and the screens pin contacts of skewed slot in lifting slide plate,
The pulling force for making position blocking pin overcome tension spring by inclined-plane gradually moves outward, until position blocking pin deviates from the skewed slot of lifting slide plate, card
Position pin is contacted with facing directly for lifting slide plate both sides, and position blocking pin is in softened state, the screens slot of the adjustable plate of position blocking pin abjection at this time,
And enter in vertical adjustment hole, people can freely pull desk, chair upward or downward at this time, after adjusting in place, then pass through cunning
Piece driving device drives lifting slide plate to move down, and so that the skewed slot of lifting slide plate is gradually coordinated with position blocking pin, position blocking pin is in tension spring
It is gradually moved inward along the inclined-plane of skewed slot under the action of restoring force, until position blocking pin is caught in again in screens slot, the screens slot
Upper and lower end face be straight block face, position-limiting action can be played to position blocking pin, desk, chair is made to be limited.This programme student desk and chair
Freely up and down regulating mechanism, people can successively adjust desk, the height of chair and successively adjust desk, chair downwards upwards
Highly, up and down adjustment is free, simple in structure, easy to operate.
Freely up and down regulating mechanism, the slide plate driving device are rack-and-pinion lifting assembly to student desk and chair of the present invention
Or upper and lower screens movable component.The rack-and-pinion lifting assembly includes fixed frame, fixed frame in the upper end of upper casing
Wall is mutually fixed, and axis hole is provided in fixed frame, and shaft is arranged in axis hole, and gear is arranged in shaft, vertical tooth is arranged in fixed frame
Hole item or rack, the perforation in perforation item is matched with gear or rack and pinion is meshed, perforation item or rack lower end
Connection lifting slide plate.Torsion hole can be provided in shaft（Such as triangle either square or prismatic polygonal hole）, pass through
The bolt of corresponding shape is inserted into the torsion hole, drives shaft rotation, or protrude from upper jacket exterior by one of shaft,
Its head is formed with polygon bumps, is sleeved in the polygon bumps by the spanner of corresponding shape, drives shaft rotation, shaft
Band moving gear rotates, and the tooth engagement in perforation cooperation or wheel and rack of the gear with perforation item drives perforation item or rack
It moves up or down, perforation item or rack drives lifting slide plate move up or down.The screens movable component up and down
Including front shoe and rear fixed plate, it is provided with limiting slot and button hole in front shoe, is arranged between forward and backward fixed plate and lives
Dynamic block board and button, connect the first spring, it is thin to be formed with strip on movable block board between movable block board and rear fixed plate
Hole, big hole and push plate, strip pore and big hole communicate, and push plate is matched with limiting slot, and the button passes through strip thin
Hole and button hole are formed with large circle in button bottom, and after movable block board rises, the large circle limit of big hole and button is matched
It closes, second spring is set between button and rear fixed plate.People can be moved by push plate drive activity block board, when people push
When push plate drive activity block board moves up, the dynamic lifting slide plate of activity screens strip moves up, the back side of movable block board
The first spring is driven to be elongated, the strip pore on movable block board is moved up along button, until big hole and button
Large circle is corresponding, and second spring promoting button forward under the action of thrust, makes the large circle of button be caught in big hole at this time
In, the large circle of button plays positioning action to movable block board, at this time desk, chair be in can up and down adjustment state；Work as people
Button is pressed inward against, button drives large circle to move backward, so that large circle is deviate from big hole backward, the first spring is being replied at this time
Pulling activity block board moves down under the action of power, and the dynamic lifting slide plate of activity screens strip resets downwards, make position blocking pin along
The inclined-plane of lifting slide plate skewed slot is caught in again in screens slot, and desk, chair can not up and down adjustments at this time；This programme uses above two
Scheme can drive lifting slide plate oscilaltion.Through circular arc-shaped corner transition between the oral area and top and bottom of the screens slot,
The width B of the lifting slide plate1Less than the width B of intermediate plate2.When to carry out up and down adjustment to desk, chair leg, due to rising
The width for dropping slide plate is less than the width of intermediate plate, when lifting slide plate struts two position blocking pins in left and right to both sides completely, position blocking pin
Still some screens slot for not deviating from intermediate plate, to enable position blocking pin to be stuck at the circular arc-shaped corner of screens notch, circular arc
Corner plays position blocking pin certain supporting role, it is made not fall out, when people are slightly firmly pressed downward desk, chair, or slightly
When firmly pulling up desk, chair, position blocking pin will deviate from screens slot along the radian of circular arc-shaped corner, and enter vertical adjustment hole
In, when adjusting a layer height upward or downward, position blocking pin can be caught in the circular arc-shaped corner position of the screens slot of this layer again again, from
And realize and successively adjust, screens, facilitate a people individually operated.The front end face of the fixed seat be located at the both sides of advancing slip film perforation with
And fixed seat rear end face is located at the both sides in rear slide plate hole and is formed respectively with limit block reinforcement, limit block reinforcement be inserted into forward and backward slide plate hole
Lifting slide plate both sides limit contact.Limit block reinforcement plays position-limiting action to the both sides for lifting slide plate, and lifting slide plate is made to transport up and down
It is dynamic to keep vertical, steady, it avoids because of double swerve, and influence position blocking pin and the accurate positioning at screens slot up and down circular arc-shaped corner
Property.Skewed slot in the lifting slide plate is the oblique groove or inclined guide groove of indent.The upper end of inclined guide groove is formed with oblique surface, in screens
When pin resets, if tension spring is not enough to that position blocking pin is driven to reset, position blocking pin is pushed to reset using the oblique surface on inclined guide groove,
Ensure the reliability of its action.
Description of the drawings
Fig. 1 is the structural schematic diagram that freely up and down regulating mechanism locking state is arranged in upper and lower casing；
Fig. 2 is student desk and chair freely up and down regulating mechanism unlocking adjustment state structural schematic diagram；
Fig. 3 is the structural schematic diagram of rack-and-pinion lifting assembly；
Fig. 4 is the stereoscopic schematic diagram of upper and lower screens movable component；
Fig. 5 is the structural schematic diagram of upper and lower screens movable component；
Fig. 6 is the strip pore and snap fit state stereoscopic schematic diagram of movable block board；
Fig. 7 is the stereoscopic schematic diagram of fixed seat；
Fig. 8 is the structural schematic diagram of fixed seat；
Fig. 9 is the position blocking pin of left and right two and former and later two tension spring mated condition schematic top plan views；
Figure 10 is the schematic front view of adjustable plate；
Figure 11 is to lift the schematic front view that oblique groove is provided in slide plate；
Figure 12 is to lift the schematic front view that inclined guide groove is provided in slide plate.
Specific implementation mode
The present invention relates to a kind of student desk and chair freely up and down regulating mechanisms, as shown in Fig. 1-Figure 12, including upper casing 1
With setting of casing 2（The feet or chair leg of upper casing and setting of casing, that is, vertical）, the upper end connection desk or seat of upper casing, setting of casing
Lower end connection table footing 30 or chair footing, upper casing be inserted into setting of casing, setting fixed seat 41 lower end of upper casing in,
The left through-hole 8 and the right side that perforation 5 up and down, advancing slip film perforation 6 and rear slide plate hole 7 and front and back perforation are provided in fixed seat are logical
Adjustable plate 10 is arranged in hole 9 in the perforation 5, adjustable plate is fixed in feet or chair leg, and left and right two is provided in adjustable plate
Vertical adjustment hole 11 controls formation intermediate plate 12 between two vertical adjustment holes, and intermediate plate both sides are formed with corresponding screens slot
13, lifting slide plate 14 is respectively set in the forward and backward slide plate hole 6,7, lifts the upper end connection slide plate driving device of slide plate, rises
The both sides of drop slide plate are to face 15 directly, and the skewed slot symmetrically to concave, the left and right through-hole 8,9 are formed in lifting slide plate both sides
In be respectively set position blocking pin 17, the position blocking pin in left side passes through the vertical adjustment hole 11 in 10 left side of left through-hole and adjustable plate, right side
Position blocking pin passes through the vertical adjustment hole on the right side of right through-hole and adjustable plate, former and later two tension springs are connected between two position blocking pins in left and right
18, for the lifting slide plate 14 across two position blocking pins 17 in left and right, the both sides of position blocking pin and lifting slide plate face 15 or oblique directly
Slot matches.When to carry out up and down adjustment to desk, chair leg, drive lifting slide plate 14 to moving up by slide plate driving device
It is dynamic, it is contacted with position blocking pin 17 by the inclined-plane of skewed slot in lifting slide plate, the pulling force for making position blocking pin overcome tension spring 18 by inclined-plane is gradual
It moves outward, until position blocking pin deviates from the skewed slot of lifting slide plate 14, position blocking pin 17 15 connects with facing directly for slide plate 14 both sides is lifted
It touches, position blocking pin 17 is in softened state, the screens slot 13 of the adjustable plate 10 of position blocking pin abjection at this time, and enters vertical adjustment hole 11
In, people can freely pull desk, chair upward or downward at this time, after adjusting in place, then driven and risen by slide plate driving device
Drop slide plate 14 moves down, and so that the skewed slot of lifting slide plate is gradually coordinated with position blocking pin 17, work of the position blocking pin in 18 restoring force of tension spring
It is gradually moved inward along the inclined-plane of skewed slot under, until position blocking pin is caught in again in screens slot 13, the upper and lower side of the screens slot
Face is straight block face, can play position-limiting action to position blocking pin, desk, chair is made to be limited.This programme student desk and chair is freely up and down
Regulating mechanism, people can successively adjust desk, the height of chair and the height for successively adjusting desk, chair downwards upwards, up and down
It adjusts freely, it is simple in structure, it is easy to operate.The slide plate driving device is rack-and-pinion lifting assembly 40 or upper and lower screens
Movable component 50.The rack-and-pinion lifting assembly 40 includes fixed frame 41, and the upper end inner wall of fixed frame and upper casing 1 is mutually solid
It is fixed, it is provided with axis hole in fixed frame, shaft 42 is set in axis hole, gear 43 is set in shaft, vertical perforation is set in fixed frame
Item 44 or rack, the perforation 45 in perforation item is matched with gear 43 or rack and pinion is meshed, and perforation lower end connects
Connect lifting slide plate 11.Torsion hole can be provided in shaft 42（Such as triangle either square or prismatic polygonal hole）, lead to
The bolt for crossing corresponding shape is inserted into the torsion hole, drives shaft 42 to rotate, or protrude from upper casing by one of shaft 42
Outside is formed with polygon bumps on its head, is sleeved in the polygon bumps by the spanner of corresponding shape, drives shaft rotation
Turn, turns the rotation of shaft driven gear 43, the tooth engagement in the cooperation of perforation 45 or wheel and rack of the gear with perforation item 44, band
Moving teeth hole item 44 or rack move up or down, and perforation item or rack drives lifting slide plate 14 move up or down.It is described
The movable component of screens up and down 50 include front shoe 51 and rear fixed plate 52, limiting slot 53 and button are provided in front shoe
Hole 54, setting activity block board 55 and button 56 between forward and backward fixed plate connect between movable block board and rear fixed plate
One spring 57 is formed with strip pore 58, big hole 59 and push plate 60 on movable block board, and strip pore and big hole communicate,
Push plate is matched with limiting slot 53, and the button 56 passes through strip pore 58 and button hole 54, is formed with greatly in 56 bottom of button
Annulus 61, after movable block board rises, big hole 59 and the limit of large circle 61 of button coordinate, between button and rear fixed plate 52
Second spring 62 is set.People can be moved by 60 drive activity block board 55 of push plate, when people push 60 drive activity of push plate
When block board 55 moves up, the dynamic lifting slide plate 14 of activity screens strip moves up, and the back side of movable block board drives first
Spring 57 is elongated, and the strip pore 58 on movable block board 55 is moved up along button 56, until big hole 59 and button
56 large circle 61 is corresponding, and promoting button 56 forward under the action of thrust of second spring 62, make the large circle of button at this time
61 are caught in big hole 59, and the large circle of button plays positioning action to movable block board 55, at this time desk, chair be in can be upper and lower
Adjustment state；When people press inward against button 56, button drives large circle 61 to move backward, large circle is made to deviate from big hole backward
59, at this time the first spring 57 pulling activity block board 55 under the action of restoring force move down, the dynamic lifting of activity screens strip
Slide plate 14 downwards reset, make position blocking pin 17 along lifting 14 skewed slot of slide plate inclined-plane be caught in again in screens slot 13, at this time desk,
Chair can not up and down adjustment；This programme can drive lifting slide plate oscilaltion using above two scheme.The screens slot 13
Through 19 transition of circular arc-shaped corner, the width B of the lifting slide plate 14 between oral area and top and bottom1Less than the width of intermediate plate 12
Spend B2.When to carry out up and down adjustment to desk, chair leg, since the width of lifting slide plate 14 is less than the width of intermediate plate 12, rise
Drop slide plate will two position blocking pins 17 in left and right when being strutted completely to both sides, position blocking pin still some do not deviate from the screens of intermediate plate 12
Slot 13, to enable position blocking pin 17 to be stuck at the circular arc-shaped corner 19 of 13 oral area of screens slot, circular arc-shaped corner plays centainly position blocking pin
Supporting role, so that it is not fallen out, when people are slightly firmly pressed downward desk, chair, or slightly firmly pull up desk, chair
When, position blocking pin 17 will deviate from screens slot 13 along the radian of circular arc-shaped corner 19, and enter in vertical adjustment hole 11, upwards or
When adjusting a layer height downwards, position blocking pin can be caught in 19 position of circular arc-shaped corner of the screens slot 13 of this layer again again, to realize
It successively adjusts, screens, facilitates a people individually operated.The front end face of the fixed seat 4 is located at the both sides of advancing slip film perforation 6 and consolidates
The both sides that reservation rear end face is located at rear slide plate hole 7 are formed respectively with limit block reinforcement 20, limit block reinforcement and are inserted into forward and backward slide plate hole
Lift the limit contact of 14 both sides of slide plate.Limit block reinforcement 20 plays position-limiting action to the both sides for lifting slide plate 14, makes on lifting slide plate
Lower movement keeps vertical, steady, avoids because of double swerve, and influences at position blocking pin 17 and about 13 circular arc-shaped corner 19 of screens slot
Positioning accuracy.Skewed slot in the lifting slide plate 14 is the oblique groove 21 or inclined guide groove 22 of indent.The upper end of inclined guide groove 22
It is formed with oblique surface, when position blocking pin 17 resets, if 18 elastic force of tension spring is not enough to that position blocking pin is driven to reset, using on inclined guide groove 22
Oblique surface push position blocking pin 17 reset, ensure its action reliability.
Claims (7)
1. student desk and chair freely up and down regulating mechanism, including upper casing（1）And setting of casing（2）, the upper end connection class of upper casing
Table or seat, cased lower end connect table footing（30）Or chair footing, upper casing are inserted into setting of casing, it is characterised in that：Institute
The upper casing stated（1）Fixed seat is set in lower end（4）, perforation up and down is provided in fixed seat（5）, advancing slip film perforation（6）With
Slide plate hole afterwards（7）And the left through-hole of front and back perforation（8）With right through-hole（9）, the perforation（5）Middle setting adjustable plate（10）,
Adjustable plate is fixed in feet or chair leg, and the two vertical adjustment holes in left and right are provided in adjustable plate（11）, left and right two is vertical to adjust
Intermediate plate is formed between knothole（12）, intermediate plate both sides are formed with corresponding screens slot（13）, the forward and backward slide plate hole（6、
7）In lifting slide plate is respectively set（14）, the upper end connection slide plate driving device of slide plate is lifted, the both sides for lifting slide plate are to face directly
（15）, the skewed slot symmetrically to concave, the left and right through-hole are formed in lifting slide plate both sides（8、9）In screens is respectively set
Pin（17）, the position blocking pin in left side is across left through-hole and adjustable plate（10）The vertical adjustment hole in left side（11）, the position blocking pin on right side wears
The vertical adjustment hole on the right side of right through-hole and adjustable plate is crossed, former and later two tension springs are connected between two position blocking pins in left and right（18）, institute
The lifting slide plate stated（14）Across two position blocking pins in left and right（17）Between, the both sides of position blocking pin and lifting slide plate are faced directly（15）Or tiltedly
Slot matches.
2. student desk and chair as described in claim 1 freely up and down regulating mechanism, it is characterised in that：The slide plate drives dress
It is set to rack-and-pinion lifting assembly（40）Or upper and lower screens movable component（50）.
3. student desk and chair as claimed in claim 2 freely up and down regulating mechanism, it is characterised in that：The rack-and-pinion liter
It comes down to a lower group part（40）Including fixed frame（41）, fixed frame and upper casing（1）Upper end inner wall mutually fix, axis hole is provided in fixed frame,
Shaft is set in axis hole（42）, gear is set in shaft（43）, vertical perforation item is set in fixed frame（44）Or rack, tooth
Perforation in the item of hole（45）It is matched with gear or rack and pinion is meshed, perforation item or the connection lifting of rack lower end are slided
Piece（14）.
4. student desk and chair as claimed in claim 2 freely up and down regulating mechanism, it is characterised in that：The screens up and down is lived
Dynamic component（50）Including front shoe（51）And rear fixed plate（52）, limiting slot is provided in front shoe（53）And button hole
（54）, the setting activity block board between forward and backward fixed plate（55）And button（56）, connect between movable block board and rear fixed plate
Connect the first spring（57）, strip pore is formed on movable block board（58）, big hole（59）And push plate（60）, strip pore and
Big hole communicates, push plate and limiting slot（53）It matches, the button（56）Across strip pore and button hole（54）, by
Button bottom is formed with large circle（61）, after movable block board rises, big hole（59）With the large circle of button（61）Limit cooperation, is pressed
Button and rear fixed plate（52）Between second spring is set（62）.
5. student desk and chair as described in claim 1 freely up and down regulating mechanism, it is characterised in that：The screens slot（13）'s
Through circular arc-shaped corner between oral area and top and bottom（19）Transition, the lifting slide plate（14）Width B1Less than intermediate plate
（12）Width B2。
6. student desk and chair as described in claim 1 freely up and down regulating mechanism, it is characterised in that：The fixed seat（4）'s
Front end face is located at advancing slip film perforation（6）Both sides and fixed seat rear end face be located at rear slide plate hole（7）Both sides be formed respectively with limit
Block reinforcement（20）, limit block reinforcement and the lifting slide plate in the forward and backward slide plate hole of insertion（14）Both sides limit contact.
7. student desk and chair as described in claim 1 freely up and down regulating mechanism, it is characterised in that：The lifting slide plate（14）
In skewed slot be indent oblique groove（21）Or inclined guide groove（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677900.8A CN108567225A (en) | 2018-06-27 | 2018-06-27 | Student desk and chair freely up and down regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677900.8A CN108567225A (en) | 2018-06-27 | 2018-06-27 | Student desk and chair freely up and down regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108567225A true CN108567225A (en) | 2018-09-25 |
Family
ID=63573443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810677900.8A Pending CN108567225A (en) | 2018-06-27 | 2018-06-27 | Student desk and chair freely up and down regulating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108567225A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840086A (en) * | 2019-11-15 | 2020-02-28 | 杨益民 | Press lever type lifting adjusting mechanism of student desk and chair |
| CN114468636A (en) * | 2022-01-25 | 2022-05-13 | 苏州达丰齐信息科技有限公司 | Chair with detachable seat |
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| CN202739329U (en) * | 2012-04-01 | 2013-02-20 | 李德胜 | Desk chair leg capable of lifting freely |
| CN203676472U (en) * | 2014-01-08 | 2014-07-02 | 程芳 | Lifting desk for pedagogy |
| KR20160064519A (en) * | 2014-11-28 | 2016-06-08 | 오해영 | Height adjustable desks and chairs equipment |
| CN205338226U (en) * | 2015-12-29 | 2016-06-29 | 马骥 | Multifunctional bedside table |
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| CN209003062U (en) * | 2018-06-27 | 2019-06-21 | 杨益民 | Student desk and chair freely up and down regulating mechanism |
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| CN110840086A (en) * | 2019-11-15 | 2020-02-28 | 杨益民 | Press lever type lifting adjusting mechanism of student desk and chair |
| CN114468636A (en) * | 2022-01-25 | 2022-05-13 | 苏州达丰齐信息科技有限公司 | Chair with detachable seat |
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