CN210865325U

CN210865325U - Sand table presentation device is used in teaching

Info

Publication number: CN210865325U
Application number: CN201921212345.8U
Authority: CN
Inventors: 黎帘卷
Original assignee: Guangxi Yuhua Iot Technology Co ltd
Current assignee: Guangxi Yuhua Iot Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-26
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a sand table demonstration device for teaching, which comprises a sand table demonstration device main body, wherein a base is fixedly arranged at the bottom of the sand table demonstration device main body, the front of the sand table demonstration device main body is movably connected with a movable door through an installation shaft, the front of the movable door is provided with a lock hole, and a protection mechanism plate is fixedly arranged inside the movable door; the utility model can drive the shielding plate to move vertically by starting the motor, thereby protecting the keyhole by the downward movement of the shielding plate, avoiding the situation that the movable door is difficult to be normally opened once the keyhole is damaged, and strengthening the protection of the movable door; the utility model discloses the angle that can adjust the fly leaf through the mode of rotatory turning block to can change the heat extraction volume, be favorable to the sand table presentation device main part to dispel the heat, thereby close the entering of fly leaf reduction dust when not using.

Description

Sand table presentation device is used in teaching

Technical Field

The utility model belongs to the technical field of the teaching, concretely relates to sand table presentation device is used in teaching.

Background

The network technology teaching is under the guidance of certain teaching theory and thought, the teaching mode of a teaching target is realized by applying multimedia and network technology, through multi-edge and multi-direction interaction of teachers, students, media and the like and collection, transmission, processing and sharing of teaching information of various media.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sand table presentation device is used in teaching to solve the current sand table presentation device who proposes in the above-mentioned background art in the use, generally need dispel the heat through the heat dissipation window, nevertheless the angle of opening and shutting of heat dissipation window is comparatively fixed, can not adjust the heat dissipation capacity, and the keyhole of dodge gate is generally exposed externally simultaneously, in case the keyhole is destroyed, just can appear the dodge gate and be difficult to normally open the scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sand table presentation device is used in teaching, includes sand table presentation device main part, the bottom fixed mounting of sand table presentation device main part has the base, there is the dodge gate in the front of sand table presentation device main part through installation axle swing joint, the front of dodge gate is provided with the keyhole, the inside fixed mounting of dodge gate has protection mechanism, the both sides of sand table presentation device main part all have the fly leaf through loose axle swing joint, the inside of sand table presentation device main part is provided with adjustment mechanism, the positive fixed mounting of sand table presentation device main part has the operating button.

Preferably, the adjusting mechanism comprises a rotating block, a ball screw is fixedly mounted at the bottom of the rotating block, a ball nut is connected to the outer side of the ball screw in a threaded manner, and the front surface of the ball nut is movably connected with a connecting rod through a connecting shaft.

Preferably, one side of the connecting rod is fixedly connected with one side of the movable plate.

Preferably, the protection mechanism comprises a motor, a gear is connected to the outer side of an output shaft of the motor, a rack is meshed to one side of the gear, a shielding plate is fixedly connected to the bottom of the rack, a sliding block is fixedly mounted on one side of the shielding plate, and a sliding groove is formed in one side of the motor.

Preferably, a sliding fit component is arranged between the sliding groove and the sliding block.

Preferably, the outside of the sand table demonstration device body is coated with baking varnish, and the thickness of the baking varnish is 120 μm.

Preferably, the display screen is embedded and installed on the front face of the sand table demonstration device main body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses can drive through starter motor and shelter from vertical direction and remove to downward movement through the shielding plate protects the keyhole, has avoided in case the keyhole is destroyed, and the condition that the dodge gate just is difficult to normally open has strengthened the protection to the dodge gate.

(2) The utility model discloses the angle that can adjust the fly leaf through the mode of rotatory turning block to can change the heat extraction volume, be favorable to the sand table presentation device main part to dispel the heat, thereby close the entering of fly leaf reduction dust when not using.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an adjusting mechanism of the present invention;

FIG. 3 is a schematic structural view of the protection mechanism of the present invention;

in the figure: 1. a sand table presentation device body; 2. a base; 3. a movable door; 4. a keyhole; 5. a protection mechanism; 51. a motor; 52. a gear; 53. a rack; 54. a shielding plate; 55. a chute; 56. a slider; 6. A movable plate; 7. an adjustment mechanism; 71. rotating the block; 72. a ball screw; 73. a ball nut; 74. a connecting rod; 8. and an operating button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sand table presentation device is used in teaching, including sand table presentation device main part 1, the bottom fixed mounting of sand table presentation device main part 1 has base 2, sand table presentation device main part 1's front has dodge gate 3 through installation axle swing joint, the front of dodge gate 3 is provided with keyhole 4, the inside fixed mounting of dodge gate 3 has protection machanism 5, sand table presentation device main part 1's both sides all have fly leaf 6 through loose axle swing joint, sand table presentation device main part 1's inside is provided with adjustment mechanism 7, sand table presentation device main part 1's front fixed mounting has operating button 8.

In this embodiment, preferably, the adjusting mechanism 7 includes a rotating block 71, a ball screw 72 is fixedly mounted at the bottom of the rotating block 71, a ball nut 73 is connected to the outer side of the ball screw 72 through a thread, a connecting rod 74 is movably connected to the front side of the ball nut 73 through a connecting shaft, when the device is used, an operator can rotate the rotating block 71, the rotating block 71 can rotate to drive the ball screw 72 to rotate, at this time, the ball nut 73 can move in the outer vertical direction of the ball screw 72, and drive one side of the movable plate 6 to move through the connecting rod 74, so that the angle of the movable plate 6 can be adjusted, the heat dissipation amount can be changed, heat dissipation of the sand table demonstration device main body 1 is facilitated, and the movable plate 6 is closed when the device is not used, thereby.

In this embodiment, preferably, one side of the connecting rod 74 is fixedly connected with one side of the movable plate 6.

In this embodiment, preferably, the protection mechanism 5 includes a motor 51, a gear 52 is connected to the outer side of an output shaft of the motor 51, a rack 53 is engaged with one side of the gear 52, a shielding plate 54 is fixedly connected to the bottom of the rack 53, a slider 56 is fixedly mounted on one side of the shielding plate 54, a chute 55 is formed in one side of the motor 51, when the device is used, the gear 52 can be driven to rotate by starting the motor 51, the rack 53 can be driven to move in the vertical direction when the gear 52 rotates, at this time, the rack 53 can drive the shielding plate 54 to move in the vertical direction, so that the lock hole 4 is protected by downward movement of the shielding plate 54, once the lock hole 4 is prevented from being damaged, the movable door 3 is difficult to be normally opened, and the protection of the movable door 3 is enhanced.

In this embodiment, it is preferable that a sliding engagement member is provided between the sliding groove 55 and the sliding block 56.

In this embodiment, it is preferable that the outside of the sand table demonstration device body 1 is coated with baking varnish having a thickness of 120 μm.

In this embodiment, it is preferable that a display screen is embedded in the front surface of the sand table demonstration device main body 1.

The utility model discloses a theory of operation and use flow: when the device is in use, an operator can rotate the rotating block 71, the rotating block 71 can drive the ball screw 72 to rotate, the ball nut 73 can move in the outer vertical direction of the ball screw 72 at the moment, and the connecting rod 74 drives one side of the movable plate 6 to move, so that the angle of the movable plate 6 can be adjusted, the heat dissipation amount can be changed, the heat dissipation of the sand table demonstration device main body 1 is facilitated, and the movable plate 6 is closed when the sand table demonstration device is not in use, and the dust entering is reduced. The device is when using, can drive gear 52 rotatory through starter motor 51, can drive the vertical direction of rack 53 and remove when gear 52 is rotatory, and rack 53 can drive the vertical direction of shielding plate 54 and remove this moment to protect keyhole 4 through the downward movement of shielding plate 54, avoided in case keyhole 4 is destroyed, the condition that dodge gate 3 just is difficult to normally open has strengthened the protection to dodge gate 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sand table presentation device is used in teaching, includes sand table presentation device main part (1), the bottom fixed mounting of sand table presentation device main part (1) has base (2), its characterized in that: the sand table demonstration device comprises a sand table demonstration device body (1), wherein the front of the sand table demonstration device body (1) is connected with a movable door (3) through an installation shaft, the front of the movable door (3) is provided with a lock hole (4), the inside fixed mounting of the movable door (3) is provided with a protection mechanism (5), the two sides of the sand table demonstration device body (1) are both connected with movable plates (6) through movable shaft movable connections, the inside of the sand table demonstration device body (1) is provided with an adjusting mechanism (7), and the front of the sand table demonstration device body (1) is fixedly provided with an operation button (8).

2. A teaching sand table presentation device as claimed in claim 1, wherein: the adjusting mechanism (7) comprises a rotating block (71), a ball screw (72) is fixedly mounted at the bottom of the rotating block (71), a ball nut (73) is connected to the outer side of the ball screw (72) through threads, and a connecting rod (74) is movably connected to the front side of the ball nut (73) through a connecting shaft.

3. A teaching sand table presentation device as claimed in claim 2, wherein: one side of the connecting rod (74) is fixedly connected with one side of the movable plate (6).

4. A teaching sand table presentation device as claimed in claim 1, wherein: protection machanism (5) include motor (51), the outside of the output shaft of motor (51) is connected with gear (52), one side meshing of gear (52) has rack (53), the bottom fixedly connected with shielding plate (54) of rack (53), one side fixed mounting of shielding plate (54) has slider (56), spout (55) have been seted up to one side of motor (51).

5. A teaching sand table presentation device as claimed in claim 4, wherein: a sliding fit component is arranged between the sliding groove (55) and the sliding block (56).

6. A teaching sand table presentation device as claimed in claim 1, wherein: the outer side of the sand table demonstration device main body (1) is coated with baking varnish, and the thickness of the baking varnish is 120 mu m.

7. A teaching sand table presentation device as claimed in claim 1, wherein: the display screen is embedded into the front surface of the sand table demonstration device main body (1).