Dictation device for English teaching
By introducing an electric telescopic rod and an automatic direction adjustment mechanism into the English teaching dictation device, the problem that small projectors cannot adjust the direction angle is solved, the operability and protection are improved, and flexible projection position adjustment and equipment protection are achieved.
Patent Information
- Application Number
- CN202420574825.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-22
AI Technical Summary
In the existing English teaching dictation training device, small projectors can only adjust the height, but cannot adjust the direction and angle, resulting in inaccurate projection position and inconvenient operation.
An automatic direction adjustment mechanism including an electric telescopic rod, a cylindrical seat, a small drive motor, a rotating shaft, a driving gear, a driven gear and a connecting column is designed, so that the small projector can adjust the direction angle in three-dimensional space and pass Structural protection projectors such as electric telescopic rods and covers.
The direction angle adjustment of the small projector is realized, which improves operability and adjustment, avoids the inconvenience of moving the entire device to adjust the projection position, and protects the projector from damage and dust through the design of the electric telescopic rod and cover. Enter.
Smart Images
Figure CN222142582U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of English teaching auxiliary equipment, in particular to a dictation device for English teaching. Background Art
[0002] English language teaching refers to the process of teaching English to people for whom English is or is not their first language.
[0003] In the teaching of business English, the current English teaching dictation training devices are inconvenient to put away, occupy a large area of space, are easily damaged, are inconvenient to move, and are inconvenient to use.
[0004] After searching the existing Chinese patents: an English teaching dictation training device (publication number: CN211787622U), including a teaching device body, a placement cabinet and a teaching auxiliary component are arranged on the front end surface of the teaching device body, a fixing groove is arranged on the upper end surface of the teaching device body, and a mounting groove 1 is arranged at one end of the fixing groove, and a connecting frame is hinged in the mounting groove 1. The English teaching dictation training device is convenient for storing teaching materials through the placement cabinet, convenient for placing a microphone through the placement rack and the card slot, convenient for storing a small projector through the connecting rack matched with the connecting rack hinged in the connecting rack, convenient for installing and disassembling the small projector through the fixing bolts and the mounting rack, convenient for storing an all-in-one computer body through the mounting groove 2, saving the placement space of the all-in-one computer body and the small projector, convenient for users to write through the connecting plate, the sliding groove and the sliding block, and convenient for protecting the all-in-one computer body and the small projector. The device is easy to move through the universal wheels, and has strong practicality.
[0005] Although the above patent protects the all-in-one computer body and the small projector by providing a storage mechanism, there is a disadvantage that the small projector of the device can only be adjusted in height but not in direction and angle. When the projection position of the small projector is inaccurate, it can only be adjusted by moving the entire device, which makes the operation inconvenient.
[0006] Therefore, it is necessary to invent a kind of English teaching dictation device to solve the above problems. Utility Model Content
[0007] The purpose of the utility model is to provide a dictation device for English teaching, so as to solve the problem that it is inconvenient to adjust the direction angle of a small projector proposed in the above background technology.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dictation device for English teaching, comprising an English teaching device main body, an electric telescopic rod is fixed inside the English teaching device main body, a cylindrical seat is fixed on the top of the electric telescopic rod, a small driving motor is installed inside the cylindrical seat, a rotating shaft is connected to one side of the small driving motor, a driving gear is fixed to one end of the rotating shaft, a driven gear is connected to one side of the driving gear, a driven shaft is fixed inside the driven gear, a connecting column is fixed to the top of the driven shaft, a fixing ring is connected to the outer wall of the connecting column, a fixing frame is connected to the top of the connecting column, and a small projector is fixed to the inner side of the fixing frame.
[0009] Preferably, a switch door is installed on the side of the English teaching device body, and a card block is fixed on the top of the English teaching device body.
[0010] Preferably, a semi-U-shaped mounting plate is arranged around the clamping block, and a hinge shaft is fixed to the side of the semi-U-shaped mounting plate.
[0011] Preferably, a cover plate is connected to the outside of the hinge shaft, and a slot is provided inside the cover plate.
[0012] Preferably, a placement groove is provided on the inner side of the switch door, and an all-in-one computer body is provided inside the placement groove.
[0013] Preferably, a heat dissipation groove is provided inside the cylindrical seat, and a limiting block is fixed to the bottom end of the driven shaft.
[0014] Preferably, a circular limiting groove is provided inside the cylindrical seat, a ball is connected to the top of the cylindrical seat, and an annular limiting groove is provided on one side of the ball.
[0015] Technical effects and advantages of the utility model:
[0016] 1. By setting an automatic direction adjustment mechanism, a small driving motor, a rotating shaft, a driving gear, a driven gear, a driven shaft, an annular limiting groove, a fixing ring, a connecting column, a fixing frame, and a small projector, when the direction angle of the small projector needs to be adjusted, the small driving motor is operated so that the small driving motor drives the rotating shaft to rotate, a driving gear is fixed at one end of the rotating shaft, a driven gear is meshed and connected at one side of the driving gear, and a driven shaft is fixed inside the driven gear, so that when the driving gear drives the driven gear to rotate, the driven gear drives the driven shaft to rotate, and the top of the driven shaft is fixed to the bottom of the connecting column, so that the driven shaft drives the connecting column to rotate, a fixing frame is fixed at the top of the connecting column, and a small projector is fixed inside the fixing frame, so that when the connecting column rotates, the fixing frame drives the small projector to rotate, so that the projection direction of the small projector can be adjusted, so that there is no need to move the device, thereby improving the operability and adjustability of the device;
[0017] 2. By setting an electric telescopic rod, the electric telescopic rod drives the column seat to move up and down, so that the small projector above the column seat can move up and down, so that the small projector can be stored to prevent damage caused by external impact;
[0018] 3. By setting a card block, a cover plate, and a card slot, the cover plate is inserted into the card block installed on the top of the English teaching device body through the card slot. In this way, the groove opened on the top of the English teaching device body can be covered by the cover plate, thereby effectively protecting the small projector and also preventing dust from falling on the small projector. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 The utility model is a front view structural schematic diagram of a dictation device for English teaching.
[0021] Figure 2 The utility model is a cross-sectional view of an English teaching device body of a dictation device for English teaching.
[0022] Figure 3 The utility model is a disassembled diagram of an automatic direction adjustment mechanism of a dictation device for English teaching.
[0023] Figure 4 The utility model is a dictation device for English teaching Figure 3 Enlarged view of point A in the middle.
[0024] Figure 5 The utility model is a schematic diagram of the top view of the structure of a dictation device for English teaching.
[0025] Figure 6 The utility model is a schematic diagram of the structure of a dictation device for English teaching in a bottom view.
[0026] In the figure: 1. English teaching device body; 2. switch door; 3. card block; 4. semi-U-shaped mounting plate; 5. hinge shaft; 6. cover plate; 7. card slot; 8. placement slot; 9. all-in-one computer body; 10. electric telescopic rod; 11. columnar seat; 12. heat dissipation slot; 13. small drive motor; 14. rotating shaft; 15. driving gear; 16. driven gear; 17. driven shaft; 18. limit block; 19. circular limit slot; 20. ball bearing; 21. annular limit slot; 22. connecting column; 23. fixing ring; 24. fixing frame; 25. small projector. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0028] The utility model provides Figure 1-6 The dictation device for English teaching shown in the figure comprises an English teaching device body 1, an electric telescopic rod 10 is fixed inside the English teaching device body 1, wherein the electric telescopic rod 10 plays the role of pushing the column seat 11 to perform lifting movement, a column seat 11 is fixed on the top of the electric telescopic rod 10, wherein the column seat 11 enables the connecting column 22 to rotate inside it, a small driving motor 13 is installed inside the column seat 11, wherein the small driving motor 13 plays the role of driving the rotating shaft 14 to rotate, a rotating shaft 14 is connected to one side of the small driving motor 13, wherein the rotating shaft 14 plays the role of driving the driving gear 15 to rotate, a driving gear 15 is fixed to one end of the rotating shaft 14, wherein the driving gear 15 plays the role of driving the driven gear 16 to rotate, and a side of the driving gear 15 is connected to the rotating shaft 14. A driven gear 16 is connected, wherein the driven gear 16 drives the driven shaft 17 to rotate, a driven shaft 17 is fixed inside the driven gear 16, wherein the driven shaft 17 drives the connecting column 22 to rotate, a connecting column 22 is fixed to the top of the driven shaft 17, wherein the connecting column 22 drives the fixed frame 24 to rotate, a fixing ring 23 is connected to the outer wall of the connecting column 22, wherein the fixing ring 23 slides in the annular limiting groove 21 to prevent the connecting column 22 from separating from the cylindrical seat 11, a fixing frame 24 is connected to the top of the connecting column 22, wherein the fixing frame 24 fixes a small projector 25, and a small projector 25 is fixed on the inner side of the fixing frame 24, wherein the small projector 25 projects English teaching videos, thereby facilitating dictation training for students.
[0029] A switch door 2 is installed on the side of the English teaching device body 1, and a clamping block 3 is fixed on the top of the English teaching device body 1, wherein the switch door 2 plays the role of opening and closing the placement slot 8, and the clamping block 3 plays the role of a limiting cover plate 6.
[0030] A semi-U-shaped mounting plate 4 is arranged around the clamping block 3, and a hinge shaft 5 is fixed to the side of the semi-U-shaped mounting plate 4, wherein two groups of semi-U-shaped mounting plates 4 play the role of fixing the hinge shaft 5, and the hinge shaft 5 enables the cover plate 6 to rotate inside it.
[0031] The outside of the hinge shaft 5 is connected with a cover plate 6 , and a slot 7 is provided inside the cover plate 6 , wherein the cover plate 6 serves to cover the slot where the small projector 25 is located, thereby achieving the effect of protecting the small projector 25 .
[0032] A placement slot 8 is provided on the inner side of the switch door 2 , and an all-in-one computer body 9 is provided inside the placement slot 8 , wherein the placement slot 8 serves to place the all-in-one computer body 9 , and the all-in-one computer body 9 is a control terminal of a small projector 25 .
[0033] A heat dissipation groove 12 is provided inside the cylindrical seat 11 , and a limiting block 18 is fixed to the bottom end of the driven shaft 17 , wherein the heat dissipation groove 12 serves to dissipate heat, and the limiting block 18 serves to prevent the driven shaft 17 from escaping from the circular limiting groove 19 .
[0034] A circular limiting groove 19 is provided inside the cylindrical seat 11, a ball 20 is connected to the top of the cylindrical seat 11, and an annular limiting groove 21 is provided on one side of the ball 20, wherein the circular limiting groove 19 allows the limiting block 18 to rotate inside it, and multiple groups of balls 20 allow the connecting column 22 to rotate conveniently above it, thereby reducing the bearing force on the driven shaft 17, and the annular limiting groove 21 allows the fixing ring 23 to slide within it.
[0035] Working principle: During use, when it is necessary to adjust the direction angle of the small projector 25, the small driving motor 13 is operated to drive the rotating shaft 14 to rotate. A driving gear 15 is fixed at one end of the rotating shaft 14, and a driven gear 16 is meshed and connected to one side of the driving gear 15. A driven shaft 17 is fixed inside the driven gear 16. When the driving gear 15 drives the driven gear 16 to rotate, the driven gear 16 drives the driven shaft 17 to rotate. The top of the driven shaft 17 is fixed to the bottom of the connecting column 22, so that the driven shaft 17 drives the connecting column 22 to rotate. A fixed frame 24 is fixed on the top of the connecting column 22, and a small projector 25 is fixed inside the fixed frame 24. When the connecting column 22 rotates, the fixed frame 24 drives the small projector 25 to rotate, so that the projection orientation of the small projector 25 can be adjusted. In this way, there is no need to move the device, thereby improving the operability and adjustability of the device.
[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A dictation device for English teaching, comprising an English teaching device body (1), characterized in that: An electric telescopic rod (10) is fixed inside the main body (1) of the English teaching device, a columnar seat (11) is fixed on the top of the electric telescopic rod (10), a small driving motor (13) is installed inside the columnar seat (11), one side of the small driving motor (13) is connected to a rotating shaft (14), one end of the rotating shaft (14) is fixed to a driving gear (15), one side of the driving gear (15) is connected to a driven gear (16), a driven shaft (17) is fixed inside the driven gear (16), a connecting column (22) is fixed on the top of the driven shaft (17), the outer wall of the connecting column (22) is connected to a fixing ring (23), the top of the connecting column (22) is connected to a fixing frame (24), and a small projector (25) is fixed inside the fixing frame (24).
2. The dictation device for English teaching according to claim 1, characterized in that: A switch door (2) is installed on the side of the English teaching device body (1), and a clamping block (3) is fixed on the top of the English teaching device body (1).
3. The dictation device for English teaching according to claim 2, characterized in that: A semi-U-shaped mounting plate (4) is arranged around the clamping block (3), and a hinge shaft (5) is fixed on the side of the semi-U-shaped mounting plate (4).
4. The dictation device for English teaching according to claim 3, characterized in that: The outside of the hinge shaft (5) is connected to a cover plate (6), and a card slot (7) is provided inside the cover plate (6).
5. The dictation device for English teaching according to claim 2, characterized in that: A placement groove (8) is arranged on the inner side of the switch door (2), and an all-in-one computer body (9) is arranged inside the placement groove (8).
6. The dictation device for English teaching according to claim 1, characterized in that: A heat dissipation groove (12) is provided inside the columnar seat (11), and a limiting block (18) is fixed at the bottom end of the driven shaft (17).
7. The dictation device for English teaching according to claim 1, characterized in that: A circular limiting groove (19) is provided inside the columnar seat (11), a ball (20) is connected to the top of the columnar seat (11), and an annular limiting groove (21) is provided on one side of the ball (20).