CN213550423U

CN213550423U - Teaching easel

Info

Publication number: CN213550423U
Application number: CN202021231513.0U
Authority: CN
Inventors: 冯鹤; 陈彦霖
Original assignee: Chizhou University
Current assignee: Chizhou University
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-06-29
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a teaching easel, which comprises a tripod, wherein a box body is fixedly arranged at the top of the tripod, a plurality of drawers are sequentially arranged in the box body, a first guide groove is arranged on the box body at the same side as the drawers, the box body is internally provided with a second driving mechanism which can open the drawer, the bottom of the box body is provided with a guide rail, the utility model can drive the pressing plate to fix the drawing board by self gravity, the pressing plate is assembled on the transverse plate, so that the drawing board is not required to be fixed by using a clamp, the drawing board cannot be fixed due to the fact that some object is lost during carrying, and be equipped with the drawer of depositing the thing in the box, the drawer can be opened when fixed drawing board, just so need not use other things to deposit instruments such as painting brush, pigment, is favorable to the student to move the easel to other places in the convenience of painting from life outdoors.

Description

Teaching easel

Technical Field

The utility model relates to a teaching equipment field, in particular to teaching easel.

Background

In current easel, generally use the clip to the drawing board clamp on the easel, all need to go to break off the clip with the fingers and thumb when fixing the drawing board at every turn and taking off the drawing board, can be very troublesome like this, and the student can paint from life in the place of difference, the in-process clip of transport is omitted and just can not fix the drawing board after certain place, need purchase new clip, could use the easel, and general easel all is used for fixing the drawing board, can not deposit the thing and put article fast, and instruments such as pigment and painting brush just need deposit with other instruments, so it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a teaching easel.

In order to achieve the above purpose, the utility model adopts the following scheme:

a teaching easel comprises a tripod, a box body is fixedly arranged at the top of the tripod, a plurality of drawers are sequentially arranged in the box body, a first guide groove is arranged on the box body at the same side of an opening of the drawer, a transverse plate is arranged on the first guide groove, a fixing mechanism capable of fixing a drawing board is arranged on the transverse plate, a first driving mechanism capable of driving the fixing mechanism to work when the transverse plate moves downwards is arranged in the box body, a second driving mechanism capable of opening the drawer is arranged in the box body, a guide rail is arranged at the bottom of the box body, the teaching easel can drive a pressing plate to fix the drawing board through self gravity, the pressing plate is assembled on the transverse plate, the trouble that the drawing board is fixed by using a clamp is not needed, the drawing board cannot be fixed due to the fact that some object is lost during carrying, and the drawer for storing objects is arranged in the box body, the drawer can be opened when fixed drawing board, just so need not use other thing to deposit instruments such as painting brush, pigment, be favorable to the student to move the easel to other places in the convenience of painting from life outdoors.

Preferably, the diaphragm is hollow, be equipped with first spring between diaphragm and the first guide way, first spring can make the diaphragm reset after the drawing board is taken away.

Furthermore, the fixing mechanism comprises first through grooves symmetrically arranged on the transverse plate, a pressing plate is arranged in each first through groove, and a soft adhesive tape is arranged on the surface, in contact with the drawing board, of the pressing plate, so that the drawing board cannot be damaged by pressure.

Further, the first driving mechanism comprises a first rack fixed at the bottom of the transverse plate, a first fixing plate is fixedly arranged in the transverse plate, a first rotating shaft is rotatably arranged on the first fixing plate, a first gear capable of being meshed with the first rack is fixedly arranged at one end of the first rotating shaft, a second gear is fixedly arranged at one end of the first rotating shaft, a second fixing plate is arranged below the first fixing plate, a threaded rod capable of being meshed with the second gear is rotatably arranged on the second fixing plate, a third fixing plate is fixedly arranged on the outer wall of the transverse plate, a second rotating shaft is rotatably arranged on the third fixing plate, a first belt is sleeved on the second rotating shaft and the threaded rod, a third gear is fixedly arranged at one end of the second rotating shaft, a second rack capable of being meshed with the third gear is arranged on the inner wall of the top of the box body, the gravity of the drawing board is larger than the spring force of the first spring, just can make the diaphragm lapse through gravity when placing the drawing board on the diaphragm to drive the platen and fix the drawing board, just so need not use and clip, thereby just can not be because of losing the unable fixed drawing board of clip.

Furthermore, second actuating mechanism is including fixing the third rack in bottom drawer one side rotate on the box inner wall and be equipped with the third pivot one end is fixed to be equipped with can with third rack toothing's fourth gear it is equipped with the fourth pivot to lie in third pivot top rotation on the box inner wall the cover is equipped with the second belt in fourth pivot and the third pivot fixed be equipped with the fifth gear on the outer wall of fourth pivot the bottom of diaphragm is equipped with can with fifth gear toothing's fourth rack.

Preferably, the fixed first limiting plate that is equipped with in drawer one side the dislocation set has the second limiting plate that can cooperate with first limiting plate on the box inner wall, because the second limiting plate is front and back dislocation when the drawer is moved out the after-state be journey echelonment, just so can take the thing in the different drawers.

Further, the guide rail sets up the recess at the bottom half including the symmetry be equipped with a plurality of wheels in the recess in proper order drawer top symmetry is equipped with first spout the symmetry is equipped with the second spout on the bottom half inner wall, the wheel sets up respectively in first spout in the second spout, and the wheel setting not only can reduce the frictional force of drawer when removing in the second spout, and the hundred can play the guide effect moreover, makes the drawer remove on same straight line.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses can drive the clamp plate through self gravity and fix the drawing board, and the clamp plate assembly is on the diaphragm, it is troublesome like this just not need to use the clip to go fixed drawing board, and more can not make the drawing board can't be fixed because of losing certain thing when the transport, and be equipped with the drawer of depositing the thing in the box, the drawer can be opened in fixed drawing board, just so need not use other things to go to deposit the painting brush, instruments such as pigment, can get fast and put required article, be favorable to the student outdoor sketching convenience and remove other places to the easel.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a part view of the drawer of the present invention.

Fig. 5 is an enlarged view of the present invention at a-a in fig. 2.

Fig. 6 is an enlarged view of the present invention at B-B in fig. 3.

The drawings indicate the description: 1. a tripod; 2. a box body; 3. a drawer; 4. a first guide groove; 5. A transverse plate; 20. a fixing mechanism; 40. a first drive mechanism; 60. a second drive mechanism; 80. A guide rail; 6. a first spring; 7. a first through groove; 8. pressing a plate; 41. a first rack; 42. A first fixing plate; 43. a first rotating shaft; 44. a first gear; 45. a second gear; 46. a second fixing plate; 47. a threaded rod; 48. a third fixing plate; 49. a second rotating shaft; 50. a first belt; 51. a third gear; 52. a second rack; 61. a third rack; 62. a third rotating shaft; 63. a fourth gear; 64. a fourth rotating shaft; 65. a second belt; 66. a fifth gear; 67. A fourth rack; 11. a first limit plate; 12. a second limiting plate; 81. a groove; 82. a wheel; 83. a first chute; 84. a second runner.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

a teaching easel as shown in fig. 1 to 6, including tripod 1 there is 1 fixed box 2 that is equipped with in top of tripod 2 is equipped with a plurality of drawers 3, its characterized in that in proper order in the box 2: be equipped with first guide way 4 with 3 homonymies of drawer on the box 2 be equipped with diaphragm 5 on the first guide way 4, diaphragm 5 is hollow be equipped with first spring 6 between diaphragm 5 and the first guide way 4 be equipped with the fixed establishment 20 that can fix the drawing board on the diaphragm 5 be equipped with the first actuating mechanism 40 that drives fixed establishment 20 work when diaphragm 5 moves down in the box 2 be equipped with the second actuating mechanism 60 that enables drawer 3 to open in the box 2 the bottom of box 2 is equipped with guide rail 80 the fixed first limiting plate 11 that is equipped with in 3 one side of drawer the dislocation is provided with on 2 inner walls of box can with first limiting plate 11 complex second limiting plate 12.

The utility model discloses in the utility model discloses well actuating mechanism 80's an embodiment: an embodiment of (1): the fixing mechanism 20 comprises first through grooves 7 symmetrically arranged on the transverse plate 5, and pressing plates 8 are arranged in the first through grooves 7.

The utility model discloses in an embodiment of first actuating mechanism 40: the first driving mechanism 40 comprises a first rack 41 fixed at the bottom of the transverse plate 5, a first fixing plate 42 is fixedly arranged in the transverse plate 5, a first rotating shaft 43 is rotatably arranged on the first fixing plate 42, a first gear 44 capable of being meshed with the first rack 41 is fixedly arranged at one end of the first rotating shaft 43, a second gear 45 is fixedly arranged at one end of the first rotating shaft 43, a second fixing plate 46 is arranged below the first fixing plate 42, a threaded rod 47 capable of being meshed with the second gear 45 is rotatably arranged on the second fixing plate 46, a third fixing plate 48 is fixedly arranged on the outer wall of the transverse plate 5, a second rotating shaft 49 is rotatably arranged on the third fixing plate 48, a first belt 50 is sleeved on the second rotating shaft 49 and the threaded rod 47, a third gear 51 is fixedly arranged at one end of the second rotating shaft 49, a second rack 52 capable of being meshed with the third gear 51 is arranged on the inner wall of the top of the box body 2, put the drawing board on the diaphragm, the diaphragm can be because the gravity of drawing board moves down, and the second rack can make the third gear revolve when the diaphragm moves down, and the second pivot can make the threaded rod rotate through first belt, and can drive the second gear revolve when the threaded rod rotates, and the epaxial first gear water of first pivot makes first rack remove to make the clamp plate fix the drawing board.

The utility model discloses an embodiment of well second actuating mechanism 60: the second driving mechanism 60 includes a third rack 61 fixed on one side of the lowermost drawer, a third rotating shaft 62 is rotatably provided on the inner wall of the box body 2, a fourth gear 63 capable of meshing with the third rotating shaft 62 is fixedly provided at one end of the third rotating shaft 62, a fourth rotating shaft 64 is rotatably provided on the inner wall of the box body 2 above the third rotating shaft 62, a second belt 65 is sleeved on the fourth rotating shaft 64 and the third rack 61, a fifth gear 66 is fixedly provided on the outer wall of the fourth rotating shaft 64, a fourth rack 67 capable of meshing with the fifth gear 66 is provided at the bottom of the transverse plate 5, the fifth gear is rotated by the fourth rack when the transverse plate moves downward, the third rotating shaft is rotated by the second belt when the fifth gear rotates, the third rack is moved by the fourth gear, so that the drawer moves, because the stroke for moving the drawer out is longer than the stroke for clamping the drawing board by the pressing plate, so when the clamp plate cliies the drawing board after the second rack will break away from with the third gear, and the fifth gear still can continue to rotate, the in-process that the drawer removed on the drawer of the superiors first limiting plate can contact with the second limiting plate earlier, the drawer will stop moving, and the drawer of lower floor still can remove with other drawers, and later the first limiting plate on the drawer of second floor also can contact with the second limiting plate, the drawer will stop moving, so on and so on, the drawer will be journey echelonment at last.

The utility model discloses an embodiment of well guide rail 80: the guide rail 80 comprises a groove 81 symmetrically arranged at the bottom of the box body 2, a plurality of wheels 82 are sequentially arranged in the groove 81, first sliding grooves 83 are symmetrically arranged at the top of the drawer, second sliding grooves 84 are symmetrically arranged on the inner wall of the bottom of the box body 2, and the wheels 82 are respectively arranged in the first sliding grooves 83 and the second sliding grooves 84.

When in use: when the drawing board is placed on the transverse plate, the transverse plate can move downwards due to the gravity of the drawing board, the second rack can enable the third gear to rotate when the transverse plate moves downwards, the second rotating shaft can enable the threaded rod to rotate through the first belt, the threaded rod can drive the second gear to rotate when the threaded rod rotates, the first gear on the first rotating shaft enables the first rack to move, so that the pressing plate can fix the drawing board, the fourth rack can enable the fifth gear to rotate when the transverse plate moves downwards, the fourth rotating shaft can enable the third rotating shaft to rotate through the second belt when the fifth gear rotates, the fourth gear can enable the third rack to move, so that the drawer can move, the stroke for moving the drawer out is longer than the stroke for clamping the drawing board by the pressing plate, the second rack can be separated from the third gear when the drawing board is clamped by the pressing plate, the fifth gear can continue to rotate, and the first limiting plate on the drawer on the uppermost layer can be contacted with the second limiting plate in the moving process of the drawer, the drawer stops moving, the drawer at the lowest layer can move with other drawers, the first limiting plate on the drawer at the second layer can contact with the second limiting plate, the drawer stops moving, and the like, so that the drawer can be stepped finally.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a teaching easel, including tripod (1) there is fixed box (2) that is equipped with in tripod (1) top be equipped with a plurality of drawers (3) in proper order in box (2), its characterized in that: be equipped with first guide way (4) with drawer (3) opening homonymy on box (2) be equipped with diaphragm (5) on first guide way (4) be equipped with fixed establishment (20) that can fix the drawing board on diaphragm (5) be equipped with in box (2) and drive fixed establishment (20) work's first actuating mechanism (40) when diaphragm (5) move down be equipped with in box (2) and enable second actuating mechanism (60) that drawer (3) opened bottom of box (2) is equipped with guide rail (80).

2. An easel according to claim 1, characterised in that the cross board (5) is hollow and that a first spring (6) is provided between the cross board (5) and the first guide groove (4).

3. An easel for teaching as claimed in claim 2, characterised in that said securing means (20) comprises first through slots (7) symmetrically disposed in the cross board (5), a pressure plate (8) being disposed within said first through slots (7).

4. A teaching easel according to claim 3, wherein the first driving mechanism (40) comprises a first rack (41) fixed at the bottom of the transverse board (5), a first fixing board (42) is fixed in the transverse board (5), a first rotating shaft (43) is rotatably arranged on the first fixing board (42), a first gear (44) capable of meshing with the first rack (41) is fixedly arranged at one end of the first rotating shaft (43), a second gear (45) is fixedly arranged at one end of the first rotating shaft (43), a second fixing board (46) is arranged below the first fixing board (42), a threaded rod (47) capable of meshing with the second gear (45) is rotatably arranged on the second fixing board (46), a third fixing board (48) is fixedly arranged on the outer wall of the transverse board (5), a second rotating shaft (49) is rotatably arranged on the third fixing board (48), second pivot (49) and threaded rod (47) go up the cover and are equipped with first belt (50) second pivot (49) one end is fixed and is equipped with third gear (51) be equipped with second rack (52) that can mesh with third gear (51) on box (2) top inner wall.

5. The teaching easel according to claim 1, wherein the second driving mechanism (60) comprises a third rack (61) fixed on one side of the lowermost drawer, a third rotating shaft (62) is rotatably arranged on the inner wall of the case (2), a fourth gear (63) capable of being meshed with the third rack (61) is fixedly arranged at one end of the third rotating shaft (62), a fourth rotating shaft (64) is rotatably arranged on the inner wall of the case (2) and positioned above the third rotating shaft (62), a second belt (65) is sleeved on the fourth rotating shaft (64) and the third rotating shaft (62), a fifth gear (66) is fixedly arranged on the outer wall of the fourth rotating shaft (64), and a fourth rack (67) capable of being meshed with the fifth gear (66) is arranged at the bottom of the transverse plate (5).

6. A teaching easel according to claim 1, wherein a first limiting plate (11) is fixedly arranged on one side of the drawer (3), and a second limiting plate (12) capable of being matched with the first limiting plate (11) is arranged on the inner wall of the box body (2) in a staggered manner.

7. The teaching easel according to claim 1, wherein the guide rail (80) comprises grooves (81) symmetrically arranged at the bottom of the case body (2), a plurality of wheels (82) are sequentially arranged in the grooves (81), first sliding grooves (83) are symmetrically arranged at the tops of the drawers, second sliding grooves (84) are symmetrically arranged on the inner wall of the bottom of the case body (2), and the wheels (82) are respectively arranged in the first sliding grooves (83) and the second sliding grooves (84).