CN112385989B - Table and chair with freely adjustable height - Google Patents
Table and chair with freely adjustable height Download PDFInfo
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- CN112385989B CN112385989B CN202011290991.3A CN202011290991A CN112385989B CN 112385989 B CN112385989 B CN 112385989B CN 202011290991 A CN202011290991 A CN 202011290991A CN 112385989 B CN112385989 B CN 112385989B
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- slotted
- shaped
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- fixing
- fixedly connected
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000005096 rolling process Methods 0.000 claims description 24
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 206010066054 Dysmorphism Diseases 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- A47B39/02—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
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/08—Seats or backs for forms, e.g. foldable seat parts
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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
- A47B41/00—School desks or tables
-
- 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
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/453—Actuated drawers
- A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
- A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
-
- 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
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/497—Sliding drawers; Slides or guides therefor with other guiding mechanisms, e.g. scissor mechanisms
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combinations Of Kitchen Furniture (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention relates to a table and chair, in particular to a table and chair with a freely adjustable height. The invention aims to provide a desk and chair with freely adjustable height, which is suitable for students with different heights and does not influence the study of the students. The technical scheme is as follows: a table and chair capable of freely adjusting height comprises a slotted base and first slotted fixed blocks, wherein the first slotted fixed blocks are symmetrically and fixedly connected to the slotted base; and the second slotted fixing block is symmetrically and fixedly connected to one side, far away from the first slotted fixing block, of the slotted base. The height of the invention can be adjusted according to the height of the student through the action of the lifting mechanism, and the invention can be suitable for students with different heights without influencing the study of the students; through the effect of slide mechanism, can move out books, make things convenient for the student to take books.
Description
Technical Field
The invention relates to a table and chair, in particular to a table and chair with freely adjustable height.
Background
The desk and chair is a daily tool, the main raw material is wood, the desk and chair is generally used in schools, students mainly learn and books can be placed in the desk and chair, meanwhile, the desk and chair is also a necessity at home, and some common articles can be placed in the desk and chair.
The structure of the existing desk and chair is simple, the desk is generally the structure of a desktop and desk legs, the structure of the chair is also simple, the height of the chair cannot be adjusted, if a short student sits behind a classroom, the sight of the short student can be blocked by other students, the study of the student is influenced, and the chair cannot be suitable for students with different heights.
Aiming at the existing problems, a table and chair which can be suitable for students with different heights and can not influence the learning of the students is designed.
Disclosure of Invention
The invention aims to provide a table and chair with freely adjustable height, which can be suitable for students with different heights and does not influence the learning of the students.
The technical scheme is as follows: a table and chair capable of freely adjusting height comprises a slotted base and first slotted fixed blocks, wherein the first slotted fixed blocks are symmetrically and fixedly connected to the slotted base; the second slotted fixing blocks are symmetrically and fixedly connected to one side, far away from the first slotted fixing block, of the slotted base; the lifting mechanism is arranged on the first slotting fixed block and is used for adjusting the height; and the locking mechanism is arranged on the first slotted fixing block and is used for locking the lifting mechanism.
As an improvement of the above scheme, the lifting mechanism comprises a sliding frame which is arranged in the slotted base in a sliding manner; the L-shaped sliding blocks are arranged in the second slotted fixing blocks in a sliding manner; the first fixing plate is fixedly connected between the L-shaped sliding blocks; the straight racks are arranged in the second slotting fixed block in a sliding mode and are connected with the L-shaped sliding block, the second slotting fixed block is internally provided with small gears in a rotating mode, and the small gears are meshed with the straight racks; the first slotted fixing blocks are internally provided with first racks in a sliding manner, and the first racks are connected with the sliding frame; the first slotted fixing block is internally provided with a first cylindrical gear in a uniform rotating manner, and the first cylindrical gear is meshed with the first rack; a second fixing plate is fixedly connected between the first racks; and the rectangular frame is fixedly connected to the lower side of the second fixing plate.
As an improvement of the above scheme, the locking mechanism comprises a first arc-shaped plate, and the first arc-shaped plate is fixedly connected to the side surface of one first slotted fixed block; the slotted rolling block is fixedly connected to the end part of one of the first column gears; the convex block is arranged on the slotted rolling block in a sliding mode, and the first spring is connected between the convex block and the slotted rolling block; the slotted arc plate is fixedly connected to the side face of the first arc plate, and the convex block is clamped on the slotted arc plate; the special-shaped rod is arranged on the outer side of the grooved rolling block in a sliding mode at intervals, the special-shaped rod is clamped on the grooved arc-shaped plate, and the second spring is connected between the special-shaped rod and the grooved rolling block.
As an improvement of the scheme, the device further comprises a cleaning mechanism, wherein the cleaning mechanism comprises a slotted fixing plate, and slotted fixing plates are fixedly connected to two sides of the second fixing plate; the slotted fixing plates are internally connected with third springs; the sliding grips are arranged on the slotted fixing plates in a sliding manner; the sliding handle is fixedly connected with the first special-shaped frame; the scraper is fixedly connected between the first special-shaped frames; the arc collection frame, the arc collection frame rigid coupling in between the fluting fixed plate.
As an improvement of the above scheme, the device further comprises a sliding mechanism, wherein the sliding mechanism comprises a sliding frame, and the sliding frame is arranged in the rectangular frame in a sliding manner; the second special-shaped frame is fixedly connected to the side face of the sliding frame and penetrates through the rectangular frame; the second special-shaped frame is sleeved with a second spring, and two ends of the second spring are respectively connected with the second special-shaped frame and the rectangular frame; the rotating shaft is rotatably arranged on the side surface of the rectangular frame; the second column gear is arranged in the middle of the rotating shaft; the second rack is arranged on the side surface of the sliding frame and is meshed with the second column gear; and the poking disc is fixedly connected with the end part of the rotating shaft.
As an improvement of the scheme, the device also comprises a limiting device, wherein the limiting device comprises a fixed rod, and the fixed rod is fixedly connected to the side surface of the slotted rolling block; the hole-opening disc is fixedly connected to the fixing rod, and the special-shaped rod is matched with the hole-opening disc in a sliding manner; the end part of each special-shaped rod is connected with the first fixing block.
As an improvement of the scheme, the fixing device comprises at least two second fixing blocks which are fixedly connected to the lower side of the first fixing plate; the second fixing blocks are fixedly connected with the arc pipes; and the backup plates are fixedly connected among the arc pipes.
As an improvement of the scheme, the second slotted fixing block is T-shaped.
The invention has the following advantages:
1. through the effect of elevating system, can be based on student's height control height, can be applicable to the student of different heights, can not influence student's study.
2. Through the effect of clean mechanism, can make things convenient for the student to clear up the rubber bits on the second fixed plate.
3. Through the effect of slide mechanism, can move out books, make things convenient for the student to take books.
4. Through stop device's effect, can promote the inward movement of dysmorphism pole, do not need the manual inward extrusion dysmorphism pole of student, reduce the operation degree of difficulty.
5. Through the effect of fixing device, can let student's more comfortable.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 4 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 5 is a schematic perspective view of the cleaning mechanism of the present invention.
Fig. 6 is a schematic perspective view of the sliding mechanism of the present invention.
Fig. 7 is a schematic perspective view of the spacing device of the present invention.
Fig. 8 is a schematic perspective view of the fixing device of the present invention.
Fig. 9 is an enlarged schematic view of part a of the present invention.
Fig. 10 is an enlarged view of part B of the present invention.
Number designation in the figures: 1-slotted base, 2-first slotted fixed block, 3-second slotted fixed block, 4-lifting mechanism, 41-first fixed plate, 42-L-shaped sliding block, 43-first column gear, 44-first rack, 45-sliding frame, 46-rectangular frame, 47-second fixed plate, 48-straight rack, 5-locking mechanism, 51-first arc plate, 52-slotted rolling block, 53-first spring, 54-projection, 55-slotted arc plate, 56-second spring, 57-special rod, 6-cleaning mechanism, 61-slotted fixed plate, 62-third spring, 63-sliding handle, 64-first special frame, 65-scraping plate, 66-arc collecting frame, 7-sliding mechanism, 71-sliding frame, 72-second special frame, 73-fourth spring, 74-rotating shaft, 75-second column gear, 76-second rack, 77-poking plate, 8-limiting device, 81-fixed rod, 82-disk, 83-first fixed block, 9-fixed block, 91-second fixed device, 92-arc tube, 93-fixed block, 93-arc tube, and fixed block.
Detailed Description
The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The part numbers are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. What is said in this application is: the connection and coupling, unless otherwise indicated, include both direct and indirect connections (couplings).
Example 1
A height-adjustable table and chair is shown in figures 1, 2, 3, 4 and 10 and comprises a slotted base 1, a first slotted fixed block 2, a second slotted fixed block 3, a lifting mechanism 4 and a locking mechanism 5, wherein the first slotted fixed block 2 is symmetrically connected to the front and back of the left side of the top of the slotted base 1, the second slotted fixed block 3 is symmetrically connected to the front and back of the right side of the top of the slotted base 1, and the lifting mechanism 4 and the locking mechanism 5 are installed on the first slotted fixed block 2.
The student controls locking mechanism 5 with 4 unblocks of elevating system, then adjusts the height through elevating system 4, controls locking mechanism 5 again at last and pins elevating system 4, and the student can sit study on elevating system 4, so can adjust elevating system 4 according to student's height, can be applicable to the student of different heights, can not influence student's study.
The lifting mechanism 4 comprises a first fixing plate 41, L-shaped sliding blocks 42, first column gears 43, first racks 44, a sliding frame 45, a rectangular frame 46 and a second fixing plate 47, the sliding frame 45 is arranged in the slotted base 1 in a sliding manner, the L-shaped sliding blocks 42 are arranged in the two second slotted fixing blocks 3 in a sliding manner, the first fixing plate 41 is connected between the top ends of the two L-shaped sliding blocks 42, straight racks 48 are arranged in the two second slotted fixing blocks 3 in a sliding manner, the two straight racks 48 are connected with the L-shaped sliding blocks 42, pinions are rotatably arranged in the two second slotted fixing blocks 3 and are respectively meshed with the two straight racks 48, first racks 44 are arranged in the two first slotted fixing blocks 2 in a sliding manner, the two first racks 44 are connected with the sliding frame 45, the first column gears 43 are arranged in the two first slotted fixing blocks 2, the two first column gears 43 are respectively meshed with the two first racks 44, the second fixing plate 47 is connected between the top ends of the two first racks 44, and the rectangular fixing plate 47 is connected with the frame 46.
The student controls the locking mechanism 5 to unlock the first column gear 43, if the heights of the first fixing plate 41 and the second fixing plate 47 need to be increased, the student rotates the locking mechanism 5 clockwise, the locking mechanism 5 drives the first column gear 43 to rotate clockwise, the first column gear 43 drives the first rack 44 to move upwards, the first rack 44 drives the sliding frame 45 and the second fixing plate 47 to move upwards, the sliding frame 45 drives the spur rack 48 to move upwards, the spur rack 48 drives the first fixing plate 41 to move upwards, therefore, the first fixing plate 41 and the second fixing plate 47 can move upwards simultaneously, when the heights of the first fixing plate 41 and the second fixing plate 47 are adjusted, the student stops rotating the locking mechanism 5, then the student controls the locking mechanism 5 to lock the first column gear 43, if the heights of the first fixing plate 41 and the second fixing plate 47 need to be reduced, the student rotates the locking mechanism 5, the locking mechanism 5 drives the first column gear 43 to rotate anticlockwise, the first column gear 43 drives the first rack 44 to move downwards, so as to drive the first fixing plate 41 and the second fixing plate 47 to move downwards, the student adjusts the heights of the first fixing plate 41 and the second fixing plate 47, and then the student sits on the rectangular fixing plate 46.
The locking mechanism 5 comprises a first arc-shaped plate 51, a slotted rolling block 52, a first spring 53, a convex block 54, a slotted arc-shaped plate 55, a second spring 56 and a special-shaped rod 57, wherein the front side of the first slotted fixed block 2 at the front side is connected with the first arc-shaped plate 51, the front end of the first column gear 43 at the front side is connected with the slotted rolling block 52, the convex block 54 is arranged at the right side of the slotted rolling block 52 in a sliding mode, the first spring 53 is connected between the convex block 54 and the slotted rolling block 52, the slotted arc-shaped plate 55 is connected at the front side of the first arc-shaped plate 51, the convex block 54 is clamped on the slotted arc-shaped plate 55, the special-shaped rod 57 is arranged at the outer side of the slotted rolling block 52 in a sliding mode at uniform intervals, the special-shaped rod 57 is clamped on the slotted arc-shaped plate 55, and the second spring 56 is connected between the special-shaped rod 57 and the slotted rolling block 52.
The student inwards extrudes the special-shaped rod 57, the second spring 56 is compressed, the special-shaped rod 57 is separated from the slotted arc-shaped plate 55, then the student can rotate the slotted rolling block 52, the slotted rolling block 52 drives the first column gear 43 to rotate, the heights of the first fixing plate 41 and the second fixing plate 47 are adjusted, under the action of the first spring 53, the bump 54 slides on the slotted arc-shaped plate 55, after the heights of the first fixing plate 41 and the second fixing plate 47 are adjusted, the student loosens the special-shaped rod 57, under the action of the second spring 56, the special-shaped rod 57 outwards resets and is clamped on the slotted arc-shaped plate 55, and the slotted rolling block 52 is fixed.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 5, 6, 7, 8 and 9, the cleaning device 6 further comprises a cleaning mechanism 6, wherein the cleaning mechanism 6 comprises a slotted fixing plate 61, a third spring 62, a sliding handle 63, a first special-shaped frame 64, a scraping plate 65 and an arc-shaped collecting frame 66, the slotted fixing plates 61 are connected to the front side and the rear side of the second fixing plate 47, the third springs 62 are connected to the two slotted fixing plates 61, the sliding handle 63 is arranged on the right portions of the two slotted fixing plates 61 in a sliding manner, the first special-shaped frame 64 is connected to the top portions of the two sliding handles 63, the scraping plate 65 is connected between the two first special-shaped frames 64, and the arc-shaped collecting frame 66 is connected to the left portion between the two slotted fixing plates 61.
When the second fixing plate 47 has the eraser crumbs, the student can push the sliding handle 63 upwards, the sliding handle 63 drives the first special-shaped frame 64 and the scraping plate 65 to move upwards, then the sliding handle 63 is pushed leftwards, the third spring 62 is compressed, the sliding handle 63 drives the scraping plate 65 to move leftwards, the eraser crumbs on the second fixing plate 47 are scraped into the arc-shaped collecting frame 66, the student can clean the eraser crumbs conveniently, then the student loosens the sliding handle 63, under the action of the third spring 62, the sliding handle 63 resets rightwards, the scraping plate 65 resets rightwards, and the sliding handle 63 moves rightwards after resetting, and then moves downwards.
The sliding mechanism 7 comprises a sliding frame 71, a second special-shaped frame 72, a fourth spring 73, a rotating shaft 74, a second column gear 75, a second rack 76 and a dial plate 77, the sliding frame 71 is arranged in the rectangular frame 46 in a sliding manner, the left side of the sliding frame 71 is connected with the second special-shaped frame 72, the second special-shaped frame 72 penetrates through the left side of the rectangular frame 46, the second special-shaped frame 72 is sleeved with the two fourth springs 73, two ends of the fourth spring 73 are respectively connected with the second special-shaped frame 72 and the rectangular frame 46, the right part of the front side of the rectangular frame 46 is rotatably connected with the rotating shaft 74, the second column gear 75 is installed in the middle of the rotating shaft 74, the second rack 76 is installed on the front side of the sliding frame 71, the second rack 76 is meshed with the second column gear 75, and the front end of the rotating shaft 74 is connected with the dial plate 77.
The student can put books in sliding frame 71, when the books of needs taking, the student can anticlockwise rotation dial disk 77, dial disk 77 and drive pivot 74 and second column gear 75 anticlockwise rotation, second column gear 75 drives second rack 76 and moves to the right, second rack 76 drives sliding frame 71 and moves to the right, sliding frame 71 drives second dysmorphism frame 72 and moves to the right, fourth spring 73 is compressed, so can move out books, make things convenient for the student to take, then loosen dial disk 77, under fourth spring 73's effect, second dysmorphism frame 72 resets to the right, sliding frame 71 resets to the right thereupon.
The special-shaped bar positioning device is characterized by further comprising a limiting device 8, wherein the limiting device 8 comprises a fixing rod 81, a perforated disc 82 and a first fixing block 83, the fixing rod 81 is connected to the front side of the slotting rolling block 52, the perforated disc 82 is connected to the fixing rod 81, the special-shaped bars 57 are in sliding fit with the perforated disc 82, and the front end of each special-shaped bar 57 is connected with the first fixing block 83.
When the heights of the first fixing plate 41 and the second fixing plate 47 need to be adjusted, the student rotates the hole opening disc 82, the hole opening disc 82 drives the special-shaped rod 57 to move inwards, the second spring 56 is compressed, the student does not need to manually extrude the special-shaped rod 57 inwards, the operation difficulty is reduced, after the heights of the first fixing plate 41 and the second fixing plate 47 are adjusted, the student loosens the hole opening disc 82, and the special-shaped rod 57 resets outwards under the action of the second spring 56.
Still including fixing device 9, fixing device 9 is including second fixed block 91, arc tube 92 and backup plate 93, and the front and back both sides on first fixed plate 41 bottom right side all are connected with second fixed block 91, and two second fixed block 91 right sides all are connected with arc tube 92, are connected with backup plate 93 between two arc tube 92 left sides.
When sitting on the first fixing plate 41, the student can lean against the leaning plate 93, so that the student is more comfortable.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made herein without departing from the principles and spirit of the invention as defined by the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as merely illustrative, and not limitative of the remainder of the disclosure, but rather to limit the scope of the disclosure to the full extent set forth in the appended claims.
Claims (3)
1. The utility model provides a can be height-adjusting's table chair freely, characterized by: comprises the following steps:
the slotting machine comprises a slotting base (1) and a first slotting fixed block (2), wherein the first slotting fixed block (2) is symmetrically and fixedly connected to the slotting base (1);
the second fixed slotted block (3) is symmetrically and fixedly connected to one side, far away from the first fixed slotted block (2), of the slotted base (1);
the lifting mechanism (4) is installed on the first slotting fixed block (2), and the lifting mechanism (4) is used for adjusting the height;
the locking mechanism (5) is mounted on the first slotted fixing block (2), and the locking mechanism (5) is used for locking the lifting mechanism (4);
the lifting mechanism (4) comprises:
the sliding frame (45), the sliding frame (45) is arranged in the slotted base (1) in a sliding manner;
the L-shaped sliding blocks (42) are arranged in the second grooving fixing blocks (3) in a sliding mode;
the first fixing plate (41), the said first fixing plate (41) is affixed to between the said L-shaped sliding blocks (42);
the straight rack (48) is arranged in the second slotting fixed block (3) in a sliding mode, the straight rack (48) is connected with the L-shaped sliding block (42), a pinion is installed in the second slotting fixed block (3) in a rotating mode, and the pinion is meshed with the straight rack (48);
the first racks (44) are arranged in the first grooving fixed block (2) in a sliding manner, and the first racks (44) are connected with the sliding frame (45);
the first cylindrical gear (43) is rotatably mounted in the first slotted fixing block (2), and the first cylindrical gear (43) is meshed with the first rack (44);
the second fixing plate (47) is fixedly connected between the first racks (44);
the rectangular frame (46), the said rectangular frame (46) is affixed to the underside of the said second dead plate (47);
the locking mechanism (5) comprises:
the first arc-shaped plate (51), the first arc-shaped plate (51) is fixedly connected to the side face of one first slotted fixed block (2);
the grooved rolling blocks (52), the grooved rolling blocks (52) are fixedly connected with the end part of one first column gear (43);
a projection (54), the projection (54) is slidably arranged on the slotted rolling block (52), and a first spring (53) is connected between the projection (54) and the slotted rolling block (52);
the slotted arc plate (55), the slotted arc plate (55) is fixedly connected to the side surface of the first arc plate (51), and the convex block (54) is clamped on the slotted arc plate (55);
the special-shaped rods (57) are arranged on the outer sides of the slotted rolling blocks (52) at intervals in a sliding mode, the special-shaped rods (57) are clamped on the slotted arc-shaped plates (55), and the second springs (56) are connected between the special-shaped rods (57) and the slotted rolling blocks (52);
still including clean mechanism (6), clean mechanism (6) including:
the two sides of the second fixing plate (47) are fixedly connected with slotted fixing plates (61);
the slotted fixing plates (61) are internally connected with third springs (62);
the sliding grips (63) are arranged on the slotted fixing plate (61) in a sliding manner;
the sliding handle (63) is fixedly connected with the first special-shaped frames (64);
a scraper (65), wherein the scraper (65) is fixedly connected between the first special-shaped frames (64);
the arc-shaped collecting frames (66) are fixedly connected between the slotted fixing plates (61);
still including slide mechanism (7), slide mechanism (7) including:
a sliding frame (71), the sliding frame (71) being slidably disposed within the rectangular frame (46);
a second profile frame (72), wherein the second profile frame (72) is fixedly connected to a side surface of the sliding frame (71), and the second profile frame (72) penetrates through the rectangular frame (46);
a fourth spring (73), wherein the second special-shaped frame (72) is sleeved with the fourth spring (73), and two ends of the fourth spring (73) are respectively connected with the second special-shaped frame (72) and the rectangular frame (46);
the rotating shaft (74), the rotating shaft (74) is rotatably arranged on the side surface of the rectangular frame (46);
a second column gear (75), wherein the second column gear (75) is arranged in the middle of the rotating shaft (74);
a second rack (76), the second rack (76) being mounted to a side surface of the sliding frame (71), the second rack (76) being engaged with the second column gear (75);
the poking disc (77) is fixedly connected to the end part of the rotating shaft (74);
still including stop device (8), stop device (8) including:
the fixing rod (81), the said fixing rod (81) is affixed to the side of the said slotted rolling block (52);
the hole-opening disc (82), the hole-opening disc (82) is fixedly connected to the fixing rod (81), and the special-shaped rod (57) is in sliding fit with the hole-opening disc (82);
the end part of each special-shaped rod (57) is connected with the first fixing block (83).
2. A desk and chair with freely adjustable height as claimed in claim 1, further comprising a fixing device (9), wherein the fixing device (9) comprises:
at least two second fixing blocks (91) are fixedly connected to the lower side of the first fixing plate (41);
the arc pipes (92) are fixedly connected to the second fixing blocks (91);
the arc-shaped pipes (92) are fixedly connected with a backup plate (93).
3. A desk and chair with freely adjustable height as claimed in claim 1, wherein: the second fixed block (3) is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112385989A (en) | 2021-02-23 |
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Effective date of registration: 20221020 Address after: No. 44, Dakan Yangmen Industrial Zone, Xili Street, Nanshan District, Shenzhen, Guangdong 518000 Applicant after: Shenzhen meiston Furniture Co.,Ltd. Address before: 344700 school Appliance Industrial Park, Nancheng County, Fuzhou City, Jiangxi Province Applicant before: Jiangxi Yaoshi Educational Equipment Group Co.,Ltd. |
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