CN213512932U

CN213512932U - Projection arrangement is used in teaching of computer science

Info

Publication number: CN213512932U
Application number: CN202022106740.7U
Authority: CN
Inventors: 郭彦军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-22
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a projection arrangement is used in teaching of computer science, including the projecting apparatus body and frame, the top of frame is seted up with the linking groove of projecting apparatus body looks adaptation, the inner wall swing joint in linking groove has the guide pillar, and the fixed surface of guide pillar is connected with drive gear, the bottom of the projecting apparatus body extends to linking inslot and fixedly connected with U type seat, and the bottom movable mounting of U type seat has linkage gear, drive gear and linkage gear engagement. This projection arrangement is used in teaching of computer science starts second driving motor, and second driving motor output drives disc gear and rotates, and disc gear drives the tooth rotation for the column spinner carries out the rotation, because the flexible groove in the column spinner is advanced to the screw thread post spiral, the solid screw thread post can reciprocate at flexible inslot, makes the height of the projecting apparatus body can adjust, thereby conveniently adjusts the projecting apparatus body, makes it obtain a more accurate projection position, and application scope is wide, and suitable all kinds of crowds use.

Description

Projection arrangement is used in teaching of computer science

Technical Field

The utility model relates to a computer science teaching equipment technical field specifically is a projection arrangement is used in teaching of computer science.

Background

The electronic computer is generally called as a computer, is a modern electronic computing machine for high-speed computing, can perform numerical calculation and logic calculation, has a storage and memory function, can operate according to a program, automatically processes mass data at a high speed, and in the related technology, discloses a projection device for computer education and teaching, which comprises a projector body, wherein a high-definition projection head is arranged on the lower surface inside the projector body and fixedly connected with the projector body, a heat dissipation box is arranged at the bottom end of the projector body and fixedly connected with the projector body, a heat dissipation fan is arranged on the upper surface inside the heat dissipation box, in a storage state, a user can rotate a second telescopic support to a gap between two first telescopic supports, a bottom plate is lapped on the upper surfaces of the first telescopic supports, the space is reduced, the appearance is not influenced, and if the height of the projector needs to be adjusted, the accessible pivot expandes the flexible support of second, and the cardan shaft drives the rotation of first flexible support, and then plays the effect that can adjust the projecting apparatus height, is convenient for fix through the bottom plate, prevents to empty, can place the suitable position in the classroom according to actual conditions, has height adjustment convenience, places stable and convenient to carry's advantage.

However, the above-mentioned techniques have disadvantages that the operation steps of the lifting mechanism for the projection apparatus body are complicated, and the functionality of adjusting the angle of the projection apparatus body is not provided, and the angle of the projection apparatus body may need to be adjusted during projection.

Therefore, a projection device for computer science teaching needs to be designed so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection arrangement is used in teaching of computer science to solve the elevating system operating procedure more complicated to the projection equipment body on the existing market that above-mentioned background art provided, not be equipped with the functional of angle regulation to the projection equipment body simultaneously, also can need the problem to projection equipment body angle regulation during the projection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection arrangement is used in teaching of computer science, includes the projector body and frame, the linking groove with projector body looks adaptation is seted up at the top of frame, the inner wall swing joint in linking groove has the guide pillar, and the fixed surface of guide pillar is connected with drive gear, the bottom of the projector body extends to linking inslot and fixedly connected with U type seat, and the bottom movable mounting of U type seat has a linkage gear, drive gear and linkage gear meshing, the right side of frame is inlayed and is had first driving motor, and the output of first driving motor and the right-hand member fixed connection of guide pillar, the bottom of frame is equipped with telescopic machanism and firm mechanism.

Preferably, the bottom fixedly connected with support of the projecting apparatus body, and the support is kept away from the one end of the projecting apparatus body and is extended to in linking up the inslot and movable mounting has in the same direction as the wheel, in the same direction as the wheel and link up the inner wall contact in groove.

Preferably, telescopic machanism is formed by the combination of screw thread post and column spinner, flexible groove has been seted up to the inside of column spinner, and the inner wall in flexible groove is equipped with the line, screw thread post threaded connection is in flexible inslot, and the bottom fixed connection of the top of screw thread post and frame.

Preferably, the bottom swing joint of column spinner has the chassis, the top on chassis is inlayed and is had second driving motor, and second driving motor is located flexible inslot, second driving motor's output fixedly connected with disc gear, the tooth that the inner wall fixedly connected with annular of column spinner set for, and tooth and disc gear meshing.

Preferably, the top of the chassis is embedded with a limit bearing, and the bottom end of the rotating column is fixedly connected in the limit bearing.

Preferably, stabilizing mean is formed by gag lever post and following pole swing joint, the spout has been seted up at the gag lever post top, the bottom swing joint of following pole is in the spout and fixedly connected with pulley, and the inner wall contact of pulley and spout.

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

(1) this projection arrangement is used in teaching of computer science starts first driving motor, and the rotation of first driving motor output drives the guide pillar and rotates, and the guide pillar drives drive gear rotation for drive gear drives the slow rotation of linkage gear, thereby makes the linkage gear drive the slight swing of projecting apparatus body, thereby the projection angle of the projecting apparatus body changes, makes its effect that possesses automatically regulated angle, and is more practical.

(2) This projection arrangement is used in teaching of computer science starts second driving motor, and second driving motor output drives disc gear and rotates, and disc gear drives the tooth rotation for the column spinner carries out the rotation, because the flexible groove in the column spinner is advanced to the screw thread post spiral, the solid screw thread post can reciprocate at flexible inslot, makes the height of the projecting apparatus body can adjust, thereby conveniently adjusts the projecting apparatus body, makes it obtain a more accurate projection position, and application scope is wide, and suitable all kinds of crowds use.

Drawings

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

FIG. 2 is a sectional view of the connection structure of the projector body and the base;

FIG. 3 is a structural cross-sectional view of the structure retracting mechanism of the present invention;

fig. 4 is a top view of the connection structure between the disc gear and the teeth of the present invention.

In the figure: 1. a projector body; 2. a machine base; 3. a joining groove; 4. a guide post; 5. a drive gear; 6. a U-shaped seat; 7. a linkage gear; 8. a first drive motor; 9. a support; 10. forward rolling; 11. a telescopic groove; 12. a telescoping mechanism; 12-1, a threaded post; 12-2, rotating column; 13. a chassis; 14. a stabilizing mechanism; 140. a limiting rod; 141. a follower bar; 15. a second drive motor; 16. a disc gear; 17. teeth; 18. and limiting the bearing.

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. 1-4, the present invention provides a technical solution: the utility model provides a projection arrangement is used in teaching of computer science, including the projector body 1 and frame 2, the linking groove 3 with the 1 looks adaptation of projector body is seted up at the top of frame 2, the inner wall swing joint of linking groove 3 has guide pillar 4, and the fixed surface of guide pillar 4 is connected with drive gear 5, the bottom of the projector body 1 extends to linking inslot 3 and fixedly connected with U type seat 6, and the bottom movable mounting of U type seat 6 has linkage gear 7, drive gear 5 and linkage gear 7 mesh, the right side of frame 2 is inlayed and is had first driving motor 8, and the output of first driving motor 8 and the right-hand member fixed connection of guide pillar 4, the bottom of frame 2 is equipped with telescopic machanism 12 and firm mechanism 14.

The bottom fixedly connected with support 9 of the projector body 1, and the one end that the projector body 1 was kept away from to support 9 extends to and links up in the groove 3 and movable mounting has in the same direction as wheel 10, in the same direction as wheel 10 and the inner wall contact of linking up groove 3, when the projector body 1 took place slight swing, slided along linking up groove 3 inner wall along wheel 10 for adjust swiftly more stably.

The telescopic mechanism 12 is formed by combining a threaded column 12-1 and a rotating column 12-2, a telescopic groove 11 is formed in the rotating column 12-2, lines are arranged on the inner wall of the telescopic groove 11, the threaded column 12-1 is in threaded connection with the telescopic groove 11, and the top end of the threaded column 12-1 is fixedly connected with the bottom of the machine base 2.

The bottom end of the rotating column 12-2 is movably connected with a chassis 13, a second driving motor 15 is inlaid at the top of the chassis 13, the second driving motor 15 is located in the telescopic groove 11, the output end of the second driving motor 15 is fixedly connected with a disc gear 16, the inner wall of the rotating column 12-2 is fixedly connected with teeth 17 which are set in an annular mode, the teeth 17 are meshed with the disc gear 16, when the height is adjusted, the base 2 can be supported, the disc gear 16 is driven by the output end of the second driving motor 15 to rotate, the disc gear 16 drives the teeth 17 to rotate, the rotating column 12-2 rotates, and the threaded column 12-1 can spirally enter the telescopic groove 11 in the rotating column 12-2, so that the fixed threaded column 12-1 can move up and down in the telescopic groove 11.

A limiting bearing 18 is embedded at the top of the chassis 13, the bottom end of the rotary column 12-2 is fixedly connected in the limiting bearing 18, and when the second driving motor is started, the rotation of the rotary column 12-2 is more convenient, and the situation of shell clamping is avoided.

Stabilizing mean 14 is formed by gag lever post 140 and follow pole 141 swing joint, the spout has been seted up at the gag lever post 140 top, follow pole 141's bottom swing joint and fixedly connected with pulley in the spout, and the inner wall contact of pulley and spout, when screw post 12-1 removed in flexible inslot 11, follow pole 141 and drive the pulley and slide at the inner wall of spout for the removal of the projecting apparatus body 1 is more stable, and avoid frame 2 to follow screw post 12-1 and rotate in accommodation process, need not the manpower and support frame 2 and adjust.

The working principle is as follows: when the projector device for computer science teaching is used, the first driving motor 8 is started, the rotation of the output end of the first driving motor 8 drives the guide post 4 to rotate, the guide post 4 drives the driving gear 5 to rotate, so that the driving gear 5 drives the linkage gear 7 to slowly rotate, so that the linkage gear 7 drives the projector body 1 to slightly swing, the projection angle of the projector body 1 is changed, the projector has the effect of automatically adjusting the angle, the projector device is more practical, the second driving motor 15 is started, the output end of the second driving motor 15 drives the disc gear 16 to rotate, the disc gear 16 drives the teeth 17 to rotate, so that the rotary column 12-2 rotates, as the threaded column 12-1 is screwed into the telescopic groove 11 in the rotary column 12-2, the fixed threaded column 12-1 can move up and down in the telescopic groove 11, so that the height of the projector body 1 can be adjusted, thereby conveniently adjust projecting apparatus body 1, make it obtain a more accurate projection position, application scope is wide, is fit for all kinds of crowds and uses. Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a projection arrangement is used in teaching of computer science, includes projector body (1) and frame (2), its characterized in that: the projector is characterized in that a connection groove (3) matched with the projector body (1) is formed in the top of the base (2), a guide pillar (4) is movably connected to the inner wall of the connection groove (3), a driving gear (5) is fixedly connected to the surface of the guide pillar (4), the bottom of the projector body (1) extends into the connection groove (3) and is fixedly connected with a U-shaped seat (6), a linkage gear (7) is movably mounted at the bottom of the U-shaped seat (6), the driving gear (5) is meshed with the linkage gear (7), a first driving motor (8) is inlaid on the right side of the base (2), the output end of the first driving motor (8) is fixedly connected with the right end of the guide pillar (4), and a telescopic mechanism (12) and a stabilizing mechanism (14) are arranged at the bottom of the base (2).

2. The projection device for teaching in computer science according to claim 1, wherein: the bottom fixedly connected with support (9) of the projector body (1), and the one end that the projector body (1) was kept away from in support (9) extends to and links up in groove (3) and movable mounting have in the same direction as wheel (10), in the same direction as wheel (10) and the inner wall contact that links up groove (3).

3. The projection device for teaching in computer science according to claim 1, wherein: the telescopic mechanism (12) is formed by combining a threaded column (12-1) and a rotary column (12-2), a telescopic groove (11) is formed in the rotary column (12-2), lines are arranged on the inner wall of the telescopic groove (11), the threaded column (12-1) is connected in the telescopic groove (11) in a threaded mode, and the top end of the threaded column (12-1) is fixedly connected with the bottom of the base (2).

4. The projection device for teaching in computer science according to claim 3, wherein: the bottom swing joint of column spinner (12-2) has chassis (13), the top on chassis (13) is inlayed and is had second driving motor (15), and second driving motor (15) are located flexible groove (11), the output fixedly connected with disc gear (16) of second driving motor (15), inner wall fixedly connected with annular tooth (17) of setting for of column spinner (12-2), and tooth (17) and disc gear (16) meshing.

5. The projection device for teaching in computer science according to claim 4, wherein: the top of the chassis (13) is embedded with a limiting bearing (18), and the bottom end of the rotating column (12-2) is fixedly connected in the limiting bearing (18).

6. The projection device for teaching in computer science according to claim 1, wherein: firm mechanism (14) are formed by gag lever post (140) and follow pole (141) swing joint, the spout has been seted up at gag lever post (140) top, follow the bottom swing joint of pole (141) in the spout and fixedly connected with pulley, and the inner wall contact of pulley and spout.