CN113803596A

CN113803596A - A image works display device for practice teaching

Info

Publication number: CN113803596A
Application number: CN202111199300.3A
Authority: CN
Inventors: 赵政; 剧静宜; 杨春茂
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2021-12-17

Abstract

The invention discloses an image work display device for practice teaching, which comprises a bearing mechanism, a power mechanism, a driving mechanism, an adjusting mechanism and a buffering mechanism, wherein the bearing mechanism is arranged on the frame; the bearing mechanism is used for bearing the power mechanism, the driving mechanism, the adjusting mechanism and the buffer mechanism; the power mechanism is used for providing power for the driving mechanism and arranged on the bearing mechanism; the driving mechanism is used for driving the bearing mechanism to operate and is arranged on the bearing mechanism; the adjusting mechanism is used for adjusting the operation of the driving mechanism and is arranged on the bearing mechanism; utilize adjustment mechanism to control the second loading board to can demonstrate first LCD screen and second LCD screen according to the different conditions, buffer gear can guarantee that adjustment mechanism can not damage the second loading board when adjusting.

Description

A image works display device for practice teaching

Technical Field

The invention relates to a teaching image work display device.

Background

The image work means a work which reflects an objective thing by recording the image of a scene on a photosensitive material or other media through an optical device or the like. The sub-concepts of the image work include image recorded work and image art work.

Present image works display device for practice teaching, it is single screen that all demonstrates image works, can not put different works and compare in the screen of difference, even if put two different image works at same screen comparison, also can be because the resolution ratio of different image works, the screen size that leads to two different image works to occupy is different, influences the student and watches.

Disclosure of Invention

The invention aims to overcome the defect of inconvenient image display and provides an image work display device for practice teaching.

The technical scheme for realizing the purpose is as follows: a video works display device for practice teaching comprises a bearing mechanism, a power mechanism, a driving mechanism, an adjusting mechanism and a buffering mechanism;

the bearing mechanism is used for bearing the power mechanism, the driving mechanism, the adjusting mechanism and the buffer mechanism;

the power mechanism is used for providing power for the driving mechanism and arranged on the bearing mechanism;

the driving mechanism is used for driving the bearing mechanism to operate and is arranged on the bearing mechanism;

the adjusting mechanism is used for adjusting the operation of the driving mechanism and is arranged on the bearing mechanism;

the buffer mechanism is used for buffering the operation of the driving mechanism and is arranged on the driving mechanism.

Preferably, the bearing mechanism comprises a bearing bottom shell, a bearing shell, a first bearing plate, a second bearing plate, a first liquid crystal screen, a second liquid crystal screen, a slider, a sliding chute and a placing groove, the lower end of the bearing bottom shell is placed on the ground, the upper end of the bearing bottom shell is connected with the bearing shell, the sliding chute is formed in the upper end of the inner wall of the bearing shell, and two symmetrically distributed placing grooves are formed in two ends of the sliding chute;

the inner wall swing joint of spout has two sliders, one of them the outer wall of slider is connected with first loading board, another the outer wall of slider is connected with the second loading board, the outer wall of first loading board and the outer wall of second loading board all inlay and are equipped with first LCD screen, the outer wall that bears the shell inlays and is equipped with the second LCD screen.

Preferably, the power mechanism comprises a stepping motor and a rotating shaft, the inner wall of the bearing bottom shell is connected with the stepping motor, the output end of the stepping motor is connected with the rotating shaft, the upper end of the bearing bottom shell is connected with a controller, and the controller is electrically connected with the stepping motor.

Preferably, the driving mechanism comprises a first connecting plate, a second connecting plate, a threaded pipe, a driving bevel gear and a driving piece, the lower end of the first bearing plate is connected with the first connecting plate, the lower end of the second bearing plate is connected with the second connecting plate, the outer wall of the first connecting plate and the outer wall of the second connecting plate are both movably connected with the bearing bottom shell, the outer wall of the rotating shaft is connected with the threaded pipe, the threaded pipe is in threaded connection with the first connecting plate, and the outer wall of the rotating shaft is sleeved with the driving bevel gear.

Preferably, the adjusting mechanism comprises a guide groove, a circular groove, a connecting rod, a rack, an adjusting gear, a limiting block, a limiting spring and a rotating rod, the circular groove is formed in the outer wall of the driving bevel gear, the guide groove is formed in the outer wall of the rotating shaft, the inner wall of the driving bevel gear is movably connected with the guide groove, the connecting rod is movably connected to the inner wall of the circular groove, the outer wall of the connecting rod penetrates through the bearing bottom shell, and the rack is connected to the outer wall of the connecting rod;

the outer wall of bearing the drain pan has seted up the spacing groove, the inner wall connection of spacing groove has spacing spring, the one end of spacing spring is connected with the stopper, and the surface swing joint who bears the drain pan has the bull stick, the outer wall connection of bull stick has adjusting gear, adjusting gear is located the below of stopper, adjusting gear and rack toothing.

Preferably, buffer gear includes square groove, buffer spring, buffer block and baffle, the square groove has been seted up to the surface of second connecting plate, the inner wall connection of square groove has buffer spring, buffer spring's one end is connected with the buffer block, the shape of buffer block is the triangular prism, the shape of cross section of buffer block is isosceles triangle.

Preferably, the driving part comprises a driven bevel gear, a driving wheel, a belt, a driven wheel, a first supporting rod, a second supporting rod and a driving plate, the inner wall of the bearing bottom shell is movably connected with the first supporting rod, the inner surface of the bearing bottom shell is movably connected with the second supporting rod, the outer wall of the first supporting rod is connected with the driving wheel, the outer wall of the driving wheel is movably connected with the belt, the outer wall of the belt is movably connected with the driven wheel, the inner wall of the driven wheel is connected with the second supporting rod, and the outer wall of the belt is connected with the driving plate.

Preferably, the lower end of the bearing bottom shell is connected with a locking universal wheel.

The invention has the beneficial effects that:

1. starting power unit, power unit drives actuating mechanism operation, actuating mechanism drives and bears the weight of the mechanism operation, make first loading board and second loading board remove, first loading board drives first LCD screen, the second loading board drives the second LCD screen and removes, first loading board and second loading board all drive the slider and slide, utilize adjustment mechanism to control the second loading board, thereby can demonstrate first LCD screen and second LCD screen according to the different situation, buffer gear can guarantee that adjustment mechanism when adjusting, can not damage the second loading board.

2. The pivot drives the screwed pipe and rotates, and the screwed pipe drives first connecting plate and removes, and first connecting plate drives first loading board and removes, and simultaneously, the pivot drives and drives bevel gear and rotate, and drive bevel gear drives the driving piece operation, and the driving piece drives the second connecting plate and removes, and the second connecting plate drives the second loading board and removes, through the rotation direction that changes the pivot, decides whether first loading board and second loading board move into the standing groove.

3. Rotate the bull stick, the bull stick drives the adjusting gear and rotates, the adjusting gear drives the rack and removes, the rack drives the connecting rod and removes, the connecting rod drives the drive bevel gear and removes, make the drive bevel gear remove along the guide way, make drive bevel gear and driving piece break away from the connection, thereby make the second loading board be located the standing groove always, only show the first LCD screen on the first loading board, the suitability of device has been improved, go into the regulating gear tooth's groove with the stopper card, spacing spring extrudees the stopper downwards, make the stopper can not remove at will, make drive bevel gear remove behind the assigned position, thereby make the regulating gear can not rotate at will.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional top view of the present invention;

FIG. 3 is a cross-sectional front view of the present invention;

FIG. 4 is a schematic cross-sectional side view of the present invention;

FIG. 5 is a cross-sectional rear view of the present invention;

FIG. 6 is a rear view schematic of the present invention;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 8 is an enlarged schematic view of the structure at B in FIG. 4;

FIG. 9 is an enlarged schematic view of the structure at C in FIG. 5;

fig. 10 is an enlarged schematic view of the structure at D in fig. 6.

1. A carrying mechanism; 101. a load-bearing bottom shell; 102. a load bearing housing; 103. a first bearing plate; 104. a second carrier plate; 105. a first liquid crystal panel; 106. a second liquid crystal panel; 107. a slider; 108. a chute; 109. a placement groove; 2. a power mechanism; 201. a stepping motor; 202. a rotating shaft; 3. a drive mechanism; 301. a first connecting plate; 302. a second connecting plate; 303. a threaded pipe; 304. a drive bevel gear; 305. a driven bevel gear; 306. a driving wheel; 307. a belt; 308. a driven wheel; 309. a first support bar; 310. a second support bar; 311. a drive plate; 4. an adjustment mechanism; 401. a guide groove; 402. a circular groove; 403. a connecting rod; 404. a rack; 405. an adjusting gear; 406. a limiting block; 407. a limiting spring; 408. a rotating rod; 5. a buffer mechanism; 501. a square groove; 502. a buffer spring; 503. a buffer block; 504. and a baffle plate.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The invention will be further explained with reference to the drawings.

Referring to fig. 1-10, an image work display device for practice teaching comprises a bearing mechanism 1, a power mechanism 2, a driving mechanism 3, an adjusting mechanism 4 and a buffering mechanism 5;

the bearing mechanism 1 is used for bearing the power mechanism 2, the driving mechanism 3, the adjusting mechanism 4 and the buffer mechanism 5;

the power mechanism 2 is used for providing power for the driving mechanism 3, and the power mechanism 2 is arranged on the bearing mechanism 1;

the driving mechanism 3 is used for driving the bearing mechanism 1 to operate, and the driving mechanism 3 is arranged on the bearing mechanism 1;

the adjusting mechanism 4 is used for adjusting the operation of the driving mechanism 3, and the adjusting mechanism 4 is arranged on the bearing mechanism 1;

and the buffer mechanism 5 is used for buffering the operation of the driving mechanism 3, and the buffer mechanism 5 is arranged on the driving mechanism 3.

Referring to fig. 1-2, the carrying mechanism 1 includes a carrying bottom case 101, a carrying housing 102, a first carrying plate 103, a second carrying plate 104, a first liquid crystal screen 105, a second liquid crystal screen 106, a slider 107, a sliding slot 108 and a placing slot 109, wherein the lower end of the carrying bottom case 101 is placed on the ground, the upper end of the carrying bottom case 101 is connected with the carrying housing 102, the upper end of the inner wall of the carrying housing 102 is provided with the sliding slot 108, and two ends of the sliding slot 108 are provided with two symmetrically distributed placing slots 109;

the inner wall of the sliding groove 108 is movably connected with two sliding blocks 107, the outer wall of one sliding block 107 is connected with a first bearing plate 103, the outer wall of the other sliding block 107 is connected with a second bearing plate 104, a first liquid crystal screen 105 is embedded in the outer wall of the first bearing plate 103 and the outer wall of the second bearing plate 104, and a second liquid crystal screen 106 is embedded in the outer wall of the bearing shell 102.

Starting the power mechanism 2, the power mechanism 2 drives the driving mechanism 3 to operate, the driving mechanism 3 drives the bearing mechanism 1 to operate, the first bearing plate 103 and the second bearing plate 104 are moved, the first bearing plate 103 drives the first liquid crystal screen 105, the second bearing plate 104 drives the second liquid crystal screen 106 to move, the first bearing plate 103 and the second bearing plate 104 both drive the sliding block 107 to slide, the second bearing plate 104 is controlled by the adjusting mechanism 4, so that the first liquid crystal screen 105 and the second liquid crystal screen 106 can be displayed according to different conditions, and the buffering mechanism 5 can ensure that the adjusting mechanism 4 cannot damage the second bearing plate 104 when being adjusted.

Referring to fig. 3, the power mechanism 2 includes a step motor 201 and a rotating shaft 202, the inner wall of the bearing bottom case 101 is connected with the step motor 201, the output end of the step motor 201 is connected with the rotating shaft 202, the upper end of the bearing bottom case 101 is connected with a controller, the controller is electrically connected with the step motor 201, and the model of the step motor 201 is 2DM 860.

The controller controls the stepping motor 201 to rotate, the stepping motor 201 drives the rotating shaft 202 to rotate, and the stepping motor 201 can rotate in the forward direction or in the reverse direction.

Referring to fig. 3-7, the driving mechanism 3 includes a first connecting plate 301, a second connecting plate 302, a threaded pipe 303, a driving bevel gear 304 and a driving member, the lower end of the first bearing plate 103 is connected with the first connecting plate 301, the lower end of the second bearing plate 104 is connected with the second connecting plate 302, the outer wall of the first connecting plate 301 and the outer wall of the second connecting plate 302 are both movably connected with the bearing bottom case 101, the outer wall of the rotating shaft 202 is connected with the threaded pipe 303, the threaded pipe 303 is in threaded connection with the first connecting plate 301, and the outer wall of the rotating shaft 202 is sleeved with the driving bevel gear 304.

The rotating shaft 202 drives the threaded pipe 303 to rotate, the threaded pipe 303 drives the first connecting plate 301 to move, the first connecting plate 301 drives the first bearing plate 103 to move, meanwhile, the rotating shaft 202 drives the driving bevel gear 304 to rotate, the driving bevel gear 304 drives the driving member to rotate, the driving member drives the second connecting plate 302 to move, the second connecting plate 302 drives the second bearing plate 104 to move, and whether the first bearing plate 103 and the second bearing plate 104 move into the placing groove 109 or not is determined by changing the rotating direction of the rotating shaft 202.

Referring to fig. 8-10, the adjusting mechanism 4 includes a guide slot 401, a circular slot 402, a connecting rod 403, a rack 404, an adjusting gear 405, a limit block 406, a limit spring 407, and a rotating rod 408, the outer wall of the driving bevel gear 304 is provided with the circular slot 402, the outer wall of the rotating shaft 202 is provided with the guide slot 401, the inner wall of the driving bevel gear 304 is movably connected with the guide slot 401, the inner wall of the circular slot 402 is movably connected with the connecting rod 403, the outer wall of the connecting rod 403 penetrates through the bearing bottom case 101, and the outer wall of the connecting rod 403 is connected with the rack 404;

the outer wall that bears drain pan 101 has seted up the spacing groove, and the inner wall in spacing groove is connected with spacing spring 407, and the one end of spacing spring 407 is connected with stopper 406, and the surface swing joint that bears drain pan 101 has bull stick 408, and the outer wall of bull stick 408 is connected with adjusting gear 405, and adjusting gear 405 is located the below of stopper 406, and adjusting gear 405 and rack 404 mesh.

The rotating rod 408 is rotated, the rotating rod 408 drives the adjusting gear 405 to rotate, the adjusting gear 405 drives the rack 404 to move, the rack 404 drives the connecting rod 403 to move, the connecting rod 403 drives the driving bevel gear 304 to move, the driving bevel gear 304 moves along the guide groove 401, the driving bevel gear 304 is disconnected from the driving part, the second bearing plate 104 is always located in the placing groove 109, only the first liquid crystal screen 105 on the first bearing plate 103 is displayed, the applicability of the device is improved, the limiting block 406 is clamped into the tooth groove of the adjusting gear 405, the limiting spring 407 downwards extrudes the limiting block 406, the limiting block 406 cannot move randomly, the driving bevel gear 304 moves to the designated position, and the adjusting gear 405 cannot rotate randomly.

Referring to fig. 9, the buffer mechanism 5 includes a square groove 501, a buffer spring 502, a buffer block 503 and a baffle 504, the square groove 501 is formed on the outer surface of the second connecting plate 302, the buffer spring 502 is connected to the inner wall of the square groove 501, the buffer block 503 is connected to one end of the buffer spring 502, the buffer block 503 is triangular prism-shaped, and the cross section of the buffer block 503 is isosceles triangle-shaped.

The driving member can push the buffer block 503 first, the buffer block 503 drives the second connecting plate 302 to move, the second connecting plate 302 drives the second bearing plate 104 to move, after the second bearing plate 104 moves to contact with the placement groove 109, the driving member can continue to extrude the inclined plane of the buffer block 503, so that the buffer block 503 extrudes the buffer spring 502, the driving member can cross the buffer block 503, and the problem that the stepping motor 201 is not closed in time, the driving member, the second connecting plate 302 and the second bearing plate 104 are damaged is avoided.

Referring to fig. 3-9, the driving member includes a driven bevel gear 305, a driving wheel 306, a belt 307, a driven wheel 308, a first supporting rod 309, a second supporting rod 310 and a driving plate 311, the inner wall of the bearing bottom case 101 is movably connected with the first supporting rod 309, the inner surface of the bearing bottom case 101 is movably connected with the second supporting rod 310, the outer wall of the first supporting rod 309 is connected with the driving wheel 306, the outer wall of the driving wheel 306 is movably connected with the belt 307, the outer wall of the belt 307 is movably connected with the driven wheel 308, the inner wall of the driven wheel 308 is connected with the second supporting rod 310, and the outer wall of the belt 307 is connected with the driving plate 311.

The driving bevel gear 304 is meshed with the driven bevel gear 305, the driving bevel gear 304 drives the driven bevel gear 305 to rotate, the driven bevel gear 305 drives the first supporting rod 309 to rotate, the first supporting rod 309 drives the driving wheel 306 to rotate, the driving wheel 306 drives the belt 307, the belt 307 drives the driven wheel 308 to rotate, the belt 307 drives the driving plate 311 to move, and the driving plate 311 extrudes the buffer block 503.

Referring to fig. 1, the lower end of the bearing bottom case 101 is connected with a locking universal wheel, which is convenient for the bearing bottom case 101 to move.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A video work display device for practice teaching is characterized by comprising a bearing mechanism (1), a power mechanism (2), a driving mechanism (3), an adjusting mechanism (4) and a buffer mechanism (5);

the bearing mechanism (1) is used for bearing the power mechanism (2), the driving mechanism (3), the adjusting mechanism (4) and the buffer mechanism (5);

the power mechanism (2), the power mechanism (2) is used for providing power for the driving mechanism (3), and the power mechanism (2) is arranged on the bearing mechanism (1);

the driving mechanism (3) is used for driving the bearing mechanism (1) to run, and the driving mechanism (3) is arranged on the bearing mechanism (1);

the adjusting mechanism (4) is used for adjusting the operation of the driving mechanism (3), and the adjusting mechanism (4) is arranged on the bearing mechanism (1);

the buffer mechanism (5) is used for buffering the operation of the driving mechanism (3), and the buffer mechanism (5) is arranged on the driving mechanism (3).

2. The image work display device for practice teaching according to claim 1, wherein the carrying mechanism (1) comprises a carrying bottom shell (101), a carrying housing (102), a first carrying plate (103), a second carrying plate (104), a first liquid crystal screen (105), a second liquid crystal screen (106), a slider (107), a sliding slot (108) and a placing slot (109), the lower end of the carrying bottom shell (101) is placed on the ground, the carrying housing (102) is connected to the upper end of the carrying bottom shell (101), the sliding slot (108) is formed in the upper end of the inner wall of the carrying housing (102), and two symmetrically distributed placing slots (109) are formed in two ends of the sliding slot (108);

the inner wall swing joint of spout (108) has two slider (107), one of them the outer wall of slider (107) is connected with first loading board (103), another the outer wall of slider (107) is connected with second loading board (104), first LCD screen (105) are all inlayed to the outer wall of first loading board (103) and the outer wall of second loading board (104), the outer wall that bears shell (102) inlays and is equipped with second LCD screen (106).

3. The image work display device for practice teaching of claim 2, wherein the power mechanism (2) comprises a stepping motor (201) and a rotating shaft (202), the inner wall of the bearing bottom case (101) is connected with the stepping motor (201), the output end of the stepping motor (201) is connected with the rotating shaft (202), the upper end of the bearing bottom case (101) is connected with a controller, and the controller is electrically connected with the stepping motor (201).

4. The visual work display device for practice teaching according to claim 3, wherein the driving mechanism (3) comprises a first connecting plate (301), a second connecting plate (302), a threaded pipe (303), a driving bevel gear (304) and a driving member, the first connecting plate (301) is connected to the lower end of the first bearing plate (103), the second connecting plate (302) is connected to the lower end of the second bearing plate (104), the outer wall of the first connecting plate (301) and the outer wall of the second connecting plate (302) are both movably connected with the bearing bottom shell (101), the threaded pipe (303) is connected to the outer wall of the rotating shaft (202), the threaded pipe (303) is in threaded connection with the first connecting plate (301), and the driving bevel gear (304) is sleeved on the outer wall of the rotating shaft (202).

5. The image work display device for practice teaching according to claim 4, wherein the adjusting mechanism (4) comprises a guide groove (401), a circular groove (402), a connecting rod (403), a rack (404), an adjusting gear (405), a limiting block (406), a limiting spring (407) and a rotating rod (408), the circular groove (402) is formed in the outer wall of the driving bevel gear (304), the guide groove (401) is formed in the outer wall of the rotating shaft (202), the inner wall of the driving bevel gear (304) is movably connected with the guide groove (401), the connecting rod (403) is movably connected to the inner wall of the circular groove (402), the outer wall of the connecting rod (403) penetrates through the bearing bottom shell (101), and the rack (404) is connected to the outer wall of the connecting rod (403);

the outer wall of bearing drain pan (101) has seted up the spacing groove, the inner wall connection of spacing groove has spacing spring (407), the one end of spacing spring (407) is connected with stopper (406), and the surface swing joint who bears drain pan (101) has bull stick (408), the outer wall connection of bull stick (408) has adjusting gear (405), adjusting gear (405) are located the below of stopper (406), adjusting gear (405) and rack (404) meshing.

6. The image work display device for practice teaching according to claim 4, wherein the buffer mechanism (5) comprises a square groove (501), a buffer spring (502), a buffer block (503) and a baffle (504), the square groove (501) is formed in the outer surface of the second connecting plate (302), the buffer spring (502) is connected to the inner wall of the square groove (501), the buffer block (503) is connected to one end of the buffer spring (502), the buffer block (503) is in the shape of a triangular prism, and the cross section of the buffer block (503) is in the shape of an isosceles triangle.

7. The visual work display apparatus for practical teaching according to claim 4, the driving piece comprises a driven bevel gear (305), a driving wheel (306), a belt (307), a driven wheel (308), a first supporting rod (309), a second supporting rod (310) and a driving plate (311), the inner wall of the bearing bottom shell (101) is movably connected with a first supporting rod (309), the inner surface of the bearing bottom shell (101) is movably connected with a second supporting rod (310), the outer wall of the first supporting rod (309) is connected with a driving wheel (306), the outer wall of the driving wheel (306) is movably connected with a belt (307), the outer wall of the belt (307) is movably connected with a driven wheel (308), the inner wall of the driven wheel (308) is connected with a second supporting rod (310), and the outer wall of the belt (307) is connected with a driving plate (311).

8. The visual work display device for practice teaching according to claim 2, wherein the lower end of the bearing bottom case (101) is connected with a locking universal wheel.