CN212276599U

CN212276599U - Computer teaching device

Info

Publication number: CN212276599U
Application number: CN202021394187.5U
Authority: CN
Inventors: 徐珊; 刘瑾
Original assignee: Shangqiu Medical College
Current assignee: Shangqiu Medical College
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-01-01
Anticipated expiration: 2030-07-15

Abstract

The utility model relates to a computer teaching technical field specifically is computer teaching device, comprising a base plate, the bottom fixedly connected with landing leg of bottom plate, the central point of bottom plate puts the department and installs the second bull stick through the bearing frame transmission, and the top of second bull stick passes through the bearing frame transmission and installs the bottom at the platen, the left and right sides fixedly connected with third stopper of platen, the arc spout has been seted up to the left and right sides of bottom plate, and the inside of arc spout is inserted and is equipped with the third stopper, the top surface border position department fixedly connected with backplate of platen. The utility model discloses a be equipped with third stopper and pulley, slide at the spout of bottom plate surface through the third stopper at the teaching in-process, the pulley has increased platen pivoted smoothness nature simultaneously, and the platen changes the orientation of curtain in rotating, makes the content of seeing clearly teaching that the student can be clear, avoids having the content of not understanding to miss, improves student's learning efficiency, makes things convenient for teacher's and student's interchange simultaneously.

Description

Computer teaching device

Technical Field

The utility model relates to a computer teaching technical field specifically is computer teaching device.

Background

Computer-aided teaching is a method and technology for various teaching activities under the assistance of a computer, discussing teaching contents, arranging teaching progress and carrying out teaching training with students in a dialogue mode, all equipment devices in a computer-aided teaching system are called hardware, the hardware is the basis of a CAI system, and the hardware presents specific teaching contents, receives the reaction of the students, carries out the processing and analysis of various specific teaching information, carries out decision judgment and control and the like in the CAI activities.

Computer teaching device on the present market can't change the angle of show teaching curtain as required when imparting knowledge to students, and partial student is when studying, watches incompletely to inconvenient when leading to the teaching personnel and student to communicate, for this reason we have proposed computer teaching device and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a computer teaching device to solve the computer teaching device on the market now that proposes in the above-mentioned background art and can't change the angle of show teaching curtain as required when imparting knowledge to students, partial student is when studying, watches incompletely, thereby leads to the inconvenient problem when teaching personnel and student communicate.

In order to achieve the above object, the utility model provides a following technical scheme: the computer teaching device comprises a base plate, wherein supporting legs are fixedly connected to the bottom end of the base plate, a second rotating rod is installed at the center position of the base plate through a bearing seat in a transmission mode, the top end of the second rotating rod is installed at the bottom end of a bedplate through a bearing seat in a transmission mode, third limiting blocks are fixedly connected to the left side and the right side of the bedplate, arc-shaped sliding grooves are formed in the left side and the right side of the base plate, the third limiting blocks are inserted into the arc-shaped sliding grooves, a protective plate is fixedly connected to the edge position of the surface of the top end of the bedplate, supporting shafts are fixedly connected to the left side and the right side of the top end of the bedplate, a connecting frame is fixedly connected to the right side of one group of the supporting shafts, a rebounding mechanism is fixedly installed at the bottom end of the connecting frame and comprises a roller, the left side, and the fixed surface of first bull stick is connected and the knob, fixed cover has been cup jointed on the surface of first bull stick, and the left side fixedly connected with link of fixed cover, the right side fixed surface of first bull stick is connected with the second slider, and the surface of second slider has cup jointed the adapter sleeve, the right side fixed connection of adapter sleeve is on the surface of another group's back shaft, the fixed surface winding of cylinder has the curtain.

Preferably, pulleys are installed in the arc-shaped grooves in the left side and the right side of the bottom plate in a transmission mode, and the surfaces of the pulleys are in contact with the surface of the third limiting block.

Preferably, another group the left side fixed mounting of back shaft has stop gear, stop gear includes first stopper, the outer axle of bottom fixedly connected with of first stopper, and the bottom surface of outer axle has seted up the recess, the inside of recess is inserted and is equipped with the second stopper, the top fixedly connected with second spring of second stopper, the bottom fixedly connected with dead lever of second stopper, and the right side of dead lever is fixed on the surface of another group's back shaft.

Preferably, the right side surface of the first rotating rod is provided with a through hole, the inner wall of the through hole is provided with a strip-shaped sliding groove, the inner wall of the strip-shaped sliding groove is inserted with a first sliding block, the right side of the first sliding block is fixedly connected with a connecting rod, the right side of the connecting rod is fixedly connected with a first spring, and the right side of the first spring is fixedly connected with the inner wall of the connecting sleeve.

Preferably, the inner wall of the connecting sleeve is provided with an annular sliding groove, a second sliding block is inserted into the annular sliding groove, and the second sliding block is rotatably connected with the connecting sleeve.

Preferably, one end of the knob, which is far away from the first rotating rod, is fixedly connected with a round convex block, a groove is formed in the surface of the round convex block, a first limiting block is inserted into the groove, and the first limiting block is connected with the knob in a clamping manner.

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

(1) the utility model discloses a through being equipped with third stopper and pulley, slide at the spout of bottom plate surface through the third stopper in the teaching process, the pulley has increased the smoothness nature that the platen rotated simultaneously, and the platen changes the orientation of curtain in rotating, makes the student can clearly see the teaching content clearly, avoids having the content of not understanding to miss, improves student's learning efficiency, makes things convenient for the communication of teacher and student simultaneously;

(2) the utility model discloses a be equipped with resilient means and stop gear, through the block with the circular convex block of first stopper pull-out knob, drive the connecting rod and rotate and remove under the distortion elasticity of first spring, the connecting rod drives first bull stick in rotating and rotates, and first bull stick drives the cylinder in rotating and rotates to the convenience is carried out the rolling to the curtain, avoids when not using, and the curtain surface dust fall or is damaged by external fish tail.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1 according to the present invention;

fig. 4 is a schematic front sectional view of the rebounding mechanism of the present invention;

fig. 5 is a schematic perspective view of the structure of the middle base plate and the second rotating rod of the present invention.

In the figure: 1. a base plate; 2. a support leg; 3. a guard plate; 4. a support shaft; 5. a curtain; 6. a connecting frame; 7. a rebound mechanism; 71. a drum; 72. a first rotating lever; 73. a first slider; 74. a connecting rod; 75. a second slider; 76. a first spring; 77. connecting sleeves; 78. a knob; 79. fixing a sleeve; 8. a limiting mechanism; 81. a first stopper; 82. an outer shaft; 83. a second spring; 84. a second limiting block; 85. fixing the rod; 9. a second rotating rod; 10. a pulley; 11. a third limiting block; 12. a platen.

The specific implementation mode is as follows:

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. 1-5, the present invention provides an embodiment: the computer teaching device comprises a bottom plate 1, supporting legs 2 are fixedly connected to the bottom end of the bottom plate 1, a second rotating rod 9 is installed at the center position of the bottom plate 1 through a bearing seat in a transmission mode, the top end of the second rotating rod 9 is installed at the bottom end of a bedplate 12 through a bearing seat in a transmission mode, third limiting blocks 11 are fixedly connected to the left side and the right side of the bedplate 12, arc-shaped sliding grooves are formed in the left side and the right side of the bottom plate 1, the third limiting blocks 11 are inserted into the arc-shaped sliding grooves, a guard plate 3 is fixedly connected to the edge position of the surface of the top end of the bedplate 12, supporting shafts 4 are fixedly connected to the left side and the right side of the top end of the bedplate 12, a connecting frame 6 is fixedly connected to the right side of a group of the supporting shafts 4, a rebound mechanism 7 is fixedly installed at the bottom end of the connecting, the surface of the first rotating rod 72 is fixedly connected with a knob 78, the surface of the first rotating rod 72 is sleeved with a fixed sleeve 79, the left side of the fixed sleeve 79 is fixedly connected with a connecting frame 6, the right side surface of the first rotating rod 72 is fixedly connected with a second sliding block 75, the surface of the second sliding block 75 is sleeved with a connecting sleeve 77, the right side of the connecting sleeve 77 is fixedly connected with the surface of the other group of supporting shafts 4, and the surface of the roller 71 is fixedly wound with a curtain 5;

furthermore, pulleys 10 are arranged inside the arc-shaped grooves on the left side and the right side of the bottom plate 1 in a transmission mode, the surfaces of the pulleys 10 are in contact with the surface of a third limiting block 11, the moving smoothness of the third limiting block 11 in the arc-shaped sliding groove on the surface of the bedplate 12 is improved, the bedplate 12 rotates more smoothly, the friction force of the bedplate 12 during rotation is reduced, and therefore the bedplate 12 rotates more labor-saving;

furthermore, a limiting mechanism 8 is fixedly mounted on the left side of the other group of support shafts 4, the limiting mechanism 8 includes a first limiting block 81, an outer shaft 82 is fixedly connected to the bottom end of the first limiting block 81, a groove is formed in the bottom end surface of the outer shaft 82, a second limiting block 84 is inserted into the groove, a second spring 83 is fixedly connected to the top end of the second limiting block 84, a fixing rod 85 is fixedly connected to the bottom end of the second limiting block 84, the right side of the fixing rod 85 is fixed on the surface of the other group of support shafts 4, the outer shaft 82 is pushed to move under the action of the elastic force of the second spring 83, the outer shaft 82 pushes the first limiting block 81 to move in the movement, so that the first limiting block 81 is inserted into the groove in the surface of the knob 78, and then the position of the;

furthermore, a through hole is formed in the right side surface of the first rotating rod 72, a strip-shaped sliding groove is formed in the inner wall of the through hole, a first sliding block 73 is inserted into the inner wall of the strip-shaped sliding groove, a connecting rod 74 is fixedly connected to the right side of the first sliding block 73, a first spring 76 is fixedly connected to the right side of the connecting rod 74, the right side of the first spring 76 is fixedly connected to the inner wall of the connecting sleeve 77, the first spring 76 is twisted and deformed in the rotation of the connecting rod 74, so that the first spring 76 is compressed and deformed, the connecting rod 74 is driven to rotate under the twisting force action of the first spring 76 in the later stage, the connecting rod 74 drives the first rotating rod 72 to rotate through the first sliding block 73, the first rotating rod 72 drives the roller 71 to rotate reversely, and the curtain 5 is;

furthermore, an annular sliding groove is formed in the inner wall of the connecting sleeve 77, a second sliding block 75 is inserted into the annular sliding groove, the second sliding block 75 is rotatably connected with the connecting sleeve 77, the second sliding block 75 rotates in the annular sliding groove in the inner wall of the connecting sleeve 77, the annular sliding groove can limit the second sliding block 75, the second sliding block 75 is prevented from moving in the connecting sleeve 77, and therefore the stability of the first rotating rod 72 in moving is guaranteed;

further, a circular bump is fixedly connected to one end of the knob 78, which is far away from the first rotating rod 72, a groove is formed in the surface of the circular bump, a first limiting block 81 is inserted into the groove, the first limiting block 81 is connected with the knob 78 in a clamping manner, and the first limiting block 81 is inserted into the groove in the surface of the knob 78, so that the position of the knob 78 is fixed, and the phenomenon that the knob 78 is shaken or loosened in use to reversely rotate the knob 78 to affect the normal use of the curtain 5 is avoided;

the working principle is as follows: in use, according to fig. 1, the curtain 5 is pulled downwards, the roller 71 is driven to rotate in the pulling of the curtain 5, according to fig. 4, the roller 71 drives the first rotating rod 72 to rotate, the first rotating rod 72 drives the second sliding block 75 to rotate in the annular sliding groove on the inner wall of the connecting sleeve 77, so that the stability of the rotation of the first rotating rod 72 is ensured, the first rotating rod 72 drives the connecting rod 74 to rotate in the rotation, the connecting rod 74 twists the first spring 76 in the rotation, the first spring 76 is compressed and deformed in the twisting, the first spring 76 pulls the connecting rod 74 to move in the compression, and the connecting rod 74 pulls the first sliding block 73 to move in the movement.

At this time, according to fig. 3, the outer shaft 82 is pushed by the elastic force of the second spring 83 to move, the outer shaft 82 moves on the surface of the second stopper 84, the outer shaft 82 pushes the first stopper 81 to move in the movement, so that the first stopper 81 is inserted into the groove of the circular bump on the surface of the knob 78, thereby fixing the position of the knob 78, at this time, the platen 12 is rotated, the platen 12 drives the third stopper 11 to move in the rotation, the third stopper 11 slides in the arc-shaped groove on the surface of the bottom plate 1 in the movement, and simultaneously the third stopper 11 moves on the surface of the pulley 10 in the rotation, thereby changing the position of the platen 12, and the platen 12 changes the orientation position of the curtain 5 through the support shaft 4 in the rotation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Computer teaching device, including bottom plate (1), its characterized in that: the bottom end of the bottom plate (1) is fixedly connected with supporting legs (2), the center position of the bottom plate (1) is provided with a second rotating rod (9) through a bearing seat in a transmission manner, the top end of the second rotating rod (9) is arranged at the bottom end of the bedplate (12) through a bearing seat in a transmission manner, the left side and the right side of the bedplate (12) are fixedly connected with third limiting blocks (11), the left side and the right side of the bottom plate (1) are provided with arc-shaped sliding grooves, the third limiting blocks (11) are inserted into the arc-shaped sliding grooves, the edge position of the top end surface of the bedplate (12) is fixedly connected with a protective plate (3), the left side and the right side of the top end of the bedplate (12) are fixedly connected with supporting shafts (4), a group of connecting frames (6) are fixedly connected with the right sides of the supporting shafts (4), the bottom end of each, and the inner wall in link (6) is installed through the bearing frame transmission in the left side of cylinder (71), the first bull stick of right side fixedly connected with (72) of cylinder (71), and the fixed surface of first bull stick (72) is connected and knob (78), fixed cover (79) have been cup jointed on the surface of first bull stick (72), and the left side fixedly connected with link (6) of fixed cover (79), the right side fixed surface of first bull stick (72) is connected with second slider (75), and the surface of second slider (75) has cup jointed adapter sleeve (77), the right side fixed connection of adapter sleeve (77) is on the surface of another group back shaft (4), the fixed surface of cylinder (71) twines curtain (5).

2. The computer teaching device of claim 1, wherein: the pulley (10) is installed in the transmission of the arc grooves on the left side and the right side of the bottom plate (1), and the surface of the pulley (10) is in contact with the surface of the third limiting block (11).

3. The computer teaching device of claim 1, wherein: another set of the left side fixed mounting of back shaft (4) has stop gear (8), stop gear (8) include first stopper (81), the outer axle (82) of bottom fixedly connected with of first stopper (81), and the bottom surface of outer axle (82) has seted up the recess, the inside of recess is inserted and is equipped with second stopper (84), the top fixedly connected with second spring (83) of second stopper (84), the bottom fixedly connected with dead lever (85) of second stopper (84), and the right side of dead lever (85) is fixed on the surface of another set of back shaft (4).

4. The computer teaching device of claim 1, wherein: the right side surface of first bull stick (72) has seted up the through-hole, and the inner wall of through-hole has seted up the bar spout, the inner wall of bar spout is inserted and is equipped with first slider (73), the right side fixedly connected with connecting rod (74) of first slider (73), the first spring (76) of right side fixedly connected with of connecting rod (74), and the right side fixed connection of first spring (76) is at the inner wall of adapter sleeve (77).

5. The computer teaching device of claim 1, wherein: the inner wall of the connecting sleeve (77) is provided with an annular sliding groove, a second sliding block (75) is inserted into the annular sliding groove, and the second sliding block (75) is rotatably connected with the connecting sleeve (77).

6. The computer teaching device of claim 1, wherein: the one end fixedly connected with circular convex block of keeping away from first bull stick (72) of knob (78), and circular convex block's surface begins to be equipped with the recess, the inside of recess is inserted and is equipped with first stopper (81), first stopper (81) are connected for the block with knob (78).