CN211323535U - A desk that can store file lesson plans - Google Patents

Abstract

The utility model relates to a lecture table capable of storing file teaching plans, comprising a base and a storage box fixed on the upper surface of the base, a lifting device is fixedly installed inside the storage box, the top of the lifting device is fixedly connected to a support plate through a threaded column, and the support plate is One side of the surface is fixedly connected with a support frame, the other side of the upper surface of the support plate is fixedly connected with a support block, the upper part of the support frame is hinged with a placing cabinet through a second rotating shaft, and one end of a threaded rod is inserted into the inside of the support block. The threaded rod rotates in the support block, the other end of the threaded rod is movably connected to the support frame, the outer surface of the threaded rod is covered with a movable sleeve, the top of the movable sleeve is hinged with one end of the movable support rod, and the other end of the movable support rod is hinged and placed at the bottom of the outer wall of the cabinet. A computer is installed in the storage cabinet. The device realizes the functions of lifting and lowering the computer and adjusting the pitch angle through the lifting device, the threaded rod, the movable bracket and the movable sleeve, so that the teacher can adjust the computer to the comfortable area of vision during the teaching process, which is convenient for the development of teaching work.

Description

A desk that can store file lesson plans

technical field

The utility belongs to the technical field of teaching equipment, and relates to a desk capable of storing file teaching plans.

Background technique

Multimedia computer-aided teaching refers to the use of multimedia computers to comprehensively process and control various media information such as symbols, languages, words, sounds, graphics, images, and images, and organically combine various elements of multimedia according to teaching requirements. The computer projection is displayed, and at the same time, the cooperation of sound is added as needed, as well as the human-computer interaction between the user and the computer to complete the teaching or training process. In remote mountainous areas, teaching hardware facilities are lacking, and multimedia computer-assisted teaching is extremely precious to students. It needs to be well cared for, cherished, and used to extend the service life. Generally, a multimedia computer teaching desk is purchased, so that the computer can be used when it is not working. Locked and stored in the lectern to ensure that the computer is not damaged.

However, the height and angle of the computer screen of some existing multimedia computer teaching desks cannot be adjusted, and teachers generally teach in a standing position. At this time, the distance between the teacher's eyes and the display screen is far, the angle is skewed, and the teaching equipment is placed in a mess. , and in the course of file management or other courses, the teacher's lesson plans are messy and inconvenient to use, which is not conducive to the development of the teacher's teaching work.

Utility model content

The utility model provides a lecture table capable of storing file teaching plans, which solves the problem that the height and pitch angle of the computer screen cannot be adjusted during the teaching process of using the multimedia computer.

The utility model relates to a lecture table capable of storing file teaching plans, comprising a base and a storage box fixed on the upper surface of the base; One side of the box body of the device is horizontally inserted with a first rotating shaft, the first rotating shaft storage box passes through, and one end of the first rotating shaft extending out of the storage box is installed with a first crank handle, and the outer wall of the first crank handle is fixed. The rocker handle is connected with a stop button, the handle stop button is adapted to the shape of the stop groove, the stop groove is communicated with the hole in the side wall of the storage box, and one end of the first rotating shaft extending into the device box is fixedly connected with a first bevel gear, the first bevel gear is fixed. The large end face of the bevel gear is close to the side wall of the device box. The first bevel gear is meshed with a second bevel gear. The second bevel gear is inserted into the rotating column of the rotating column along the central axis. The second bevel gear is fixedly connected to the rotating column. Both ends of the rotating column They are respectively vertically installed on the upper and lower surfaces of the device box through rolling bearings. The inner threaded column of the rotating column is connected with a threaded column, which penetrates through the top of the device box, and the upper end of the threaded column is fixedly connected with a support plate; one side of the upper surface of the support plate A support frame is fixedly connected, a support block is fixedly connected to the other side of the upper surface of the support plate, the upper part of the support frame is hinged with a second rotating shaft, and a placing cabinet is hinged, a computer is installed in the placing cabinet, and the computer is away from the hinged position of the second rotating shaft , One end of the threaded rod is inserted inside the support block, the threaded rod can be rotated in the support block, the other end of the threaded rod is movably connected to the support frame, the outer surface of the threaded rod is covered with a movable sleeve, the threaded rod is threaded with the movable sleeve, and the movable sleeve One end of the movable strut is hinged at the top, and the other end of the movable strut is hinged and placed at the bottom of the outer wall of the cabinet.

The utility model is also characterized in that,

A plurality of placement boards are vertically arranged on one side of the bottom of the placement cabinet, and a plurality of placement boards are vertically arranged at the bottom of the placement cabinet. The multiple placement boards are parallel to each other. It is fixed to the side wall of the placing cabinet.

The edge of the lower surface of the support plate is circumferentially fixed with a plurality of support insertion rods, the plurality of support insertion rods are vertically arranged and correspondingly inserted into the interior of the plurality of support sleeves, and the support sleeves are fixed to the top of the device box.

The side wall of the storage box is fixedly connected with a lock buckle, and a lock chain is installed on the lock buckle, and the lock chain can connect and lock the first crank handle and the box cover to the lock buckle.

A second crank handle is fixedly connected to one end of the threaded rod close to the support block.

A lecture table capable of storing file teaching plans of the utility model has at least the following beneficial effects:

1) Through the setting of the storage box and the storage cabinet, the computer can be installed in the storage cabinet, and at the same time, the teaching aids can be put into the space of the storage board in the storage cabinet, and then the storage cabinet can be placed in the storage box. Realize the strict preservation of multimedia computers for teaching.

2) Through the setting of the lifting device, it is possible to control the lifting and lowering of the placing cabinet in the storage box, and then control the height of the multimedia computer. With the cooperation of the crank handle, shaking the second crank handle can adjust the supporting angle of the placing cabinet, so as to control the pitch angle of the computer, so as to achieve the purpose of convenient teaching.

3) A desk that can store file teaching plans, through the setting of the placement board, it is convenient for the placement and classification of teaching equipment, and when taking file management courses or other courses, it is convenient for teachers to store teaching plans, so that teachers During the teaching process, the teaching aids are used smoothly.

Description of drawings

Fig. 1 is a kind of internal structure schematic diagram of the open state of a desk that can store file teaching plans of the present invention;

Fig. 2 is a kind of structure schematic diagram of the lifting device of the lectern of the present utility model that can store file teaching plans;

3 is a schematic diagram of the internal structure of a closed state of a desk that can store file teaching plans of the present invention;

FIG. 4 is a schematic view of the structure in the direction A in FIG. 1 of a placement cabinet for a desk that can store file teaching plans of the present invention;

5 is a schematic diagram of the external structure of a closed state of a desk that can store file teaching plans of the present invention;

Fig. 6 is a cross-sectional view of the first crank handle of a lectern that can store file teaching plans of the present invention in Fig. 1 .

In the figure: 1. Base, 2. Storage box, 2-1. Stop groove, 3. Lifting device, 3-1. Device box, 3-2. First rotating shaft, 3-3. First bevel gear, 3-4. The second bevel gear, 3-5. The rotating column, 3-6. The threaded column, 3-7. The first crank handle, 3-8. The crank handle buckle, 4. The support plate, 5. The storage cabinet , 6. Support frame, 7. Support block, 8. Second rotating shaft, 9. Threaded rod, 10. Active sleeve, 11. Active support rod, 12. Second rocker, 13. Support plunger, 14. Support Sleeve, 15. Case cover, 16. Slide rail, 17. Placing board, 18. Computer, 19. Keyboard, 20. Lock.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1-3 and 5, the present utility model comprises a base 1 and a storage box 2 fixed on the upper surface of the base 1, and the top of the side wall of the storage box 2 is hinged with a box cover as shown in Figures 1-3 and 5. 15. A lifting device 3 is fixedly installed inside the storage box 2; the lifting device 3 includes a device box 3-1, and one side of the device box 3-1 is horizontally plugged with a first rotating shaft 3-2. The first rotating shaft 3-2 The storage box 2 passes through, one end of the first rotating shaft 3-2 extending into the device box 3-1 is fixedly connected with a first bevel gear 3-3, and the first rotating shaft 3-2 extends out of one end of the storage box 2 A first crank handle 3-7 is fixedly connected, the large end face of the first bevel gear 3-3 is close to the side wall of the device box 3-1, the first bevel gear 3-3 is meshed with a second bevel gear 3-4, and the second bevel gear 3-3 is engaged with the second bevel gear 3-4. The gear 3-4 is inserted into the rotating column 3-5 along the central axis, the second bevel gear 3-4 is fixedly connected with the rotating column 3-5, and the two ends of the rotating column 3-5 are respectively vertically installed on the device box through rolling bearings, On the lower surface, a threaded column 3-6 is threadedly connected to the interior of the rotating column 3-5, the threaded column 3-6 penetrates the top of the device box 3-1, and the upper end of the threaded column 3-6 is fixedly connected with a support plate 4; the support plate 4 One side of the upper surface is fixedly connected with a support frame 6, and the other side of the upper surface of the support plate 4 is fixedly connected with a support block 7, and the upper part of the support frame 6 is hinged with a placing cabinet 5 through a second rotating shaft 8, and inside the placing cabinet 5 A computer 18 is installed, one end of a threaded rod 9 is inserted into the support block 7, the threaded rod 9 rotates in the support block 7, and one end of the threaded rod 9 close to the support block 7 is fixedly connected with a second rocker 12, and the other end of the threaded rod 9 is fixedly connected. One end is movably connected to the support frame 6, the outer surface of the threaded rod 9 is covered with a movable sleeve 10, the threaded rod 9 is threadedly connected with the movable sleeve 10, the top of the movable sleeve 10 is hinged to one end of the movable support rod 11, and the other end of the movable support rod 11 is hingedly placed Bottom of outer wall of cabinet 5.

As shown in FIG. 4 , a computer 18 is installed in the placing cabinet 5, and the computer 18 is far from the hinged position of the second rotating shaft 8, that is, the computer 5 is installed in the raised side of the placing cabinet 5, and the bottom side of the placing cabinet 5 is vertically provided with multiple Placement boards 17, a plurality of placement boards 17 are parallel to each other, the two sides of each placement board 17 are slidably connected to the slide rails 16, and the plurality of slide rails 16 are respectively fixed to the side walls of the placement cabinet 5, and the placement cabinet 5 is close to the inner side. A keyboard 19 is installed at the hinged position of the second rotating shaft 8; through the setting of the placing plate 17, teaching tools can be placed and file teaching plans can be placed; through the setting of the slide rail 16, it is convenient to push and pull the placing plate 17, and it is convenient to take out the teaching tools.

As shown in FIG. 2 , the edge of the lower surface of the support plate 4 is circumferentially fixed with a plurality of support insertion rods 13 , and the plurality of support insertion rods 13 are vertically arranged and correspondingly inserted into the interior of the plurality of support sleeves 14 . The support sleeves 14 It is fixedly connected to the top of the device box 3-1; the stability of the support plate 4 can be ensured by the arrangement of the support rod 13 and the support sleeve 14 .

As shown in FIG. 4 , one end of the first rotating shaft 3-2 protruding from the storage box 2 is fixedly connected with a first crank handle 3-7, the side wall of the storage box 2 is fixed with a lock 20, and the lock 20 is mounted with a Chain, the chain can connect and lock the first crank handle 3-7 and the box cover 15 to the lock buckle 20; when this device is not applicable, use the chain to wrap the first crank handle 3-7 and the box cover 15 and lock with the lock buckle On the other hand, it can prevent non-operators from shaking the first crank handle 3-7 to make the computer screen collide with the box cover 15, and at the same time, it can prevent thieves from stealing the computer 18.

As shown in Figures 3 and 6, the end of the first rotating shaft 3-2 protruding from the storage box 2 is installed with a first crank handle 3-7, and the outer wall of the first crank handle 3-7 is fixed with a crank handle stopper 3- 8. The shape of the crank handle 3-8 is adapted to the shape of the stop groove 2-1, and the stop groove 2-1 is connected with the hole on the side wall of the storage box 2; when the device is not used or is lifted to a suitable position, this state is required Locked, at this time, the first crank handle 3-7 is completely inserted into the end of the first rotating shaft 3-2 protruding from the storage box 2, and the crank handle buckle 3-8 enters the stop groove 2-1 and is in line with the stop groove 2-1. The purpose of matching, to the locking state; when lifting and lowering, pull out the first crank handle 3-7 from the first rotating shaft 3-2, so that the stopper 3-8 is released from the stopper groove 2-1, at this time The device is in the unlocked state, shake the first crank handle 3-7 to lift the device.

The working process of the utility model of a desk that can store file teaching plans,

When teaching multimedia computer, open the chain on the lock 20, open the box cover 15, pull out and shake the first crank handle 3-7, the first crank handle 3-7 drives the first rotating shaft 3-2 to rotate and the first crank handle 3-7 rotates. A bevel gear 3-3 rotates, and then the rotating column 3-5 rotates, and then the threaded column 3-6 is unscrewed from the rotating column 3-5, and the support plate drives the placing cabinet 5 to rise out of the storage box 2, and adjust the The height of the placement cabinet 5 is adjusted to the height of the computer 18; at this time, the second crank handle 12 is shaken, and the second crank handle 12 makes the threaded rod 9 rotate. The threaded rod 9 can rotate relative to the support frame 6 and the support block 7, so when the threaded rod 9 rotates, the movable sleeve 10 moves relative to the threaded rod 9 toward the end of the support frame 6, and the movable bracket 11 forms an angle with the horizontal plane and supports Place the cabinet 5, adjust the neat angle of the placement cabinet 5, so that the computer 18 is in the comfortable viewing position of the teacher. At this time, insert the computer power plug into the power supply socket, start the computer, and place the teaching aids and other tools on the placement board 17. Inside, start teaching;

After the teaching work is completed, first shake the second crank handle 12 to be placed in the cabinet 5 to restore the horizontal state, then shake the first crank handle 3-7 to be placed in the cabinet 5 to sink into the storage box 2, cover the box cover 15, and use the chain Lock the box cover 15 and the first crank handle 3-7.

The utility model is a desk that can store file teaching plans. Through the arrangement of the storage box 2 and the storage cabinet 5, the computer 18 is installed in the storage cabinet 5, and the storage cabinet 5 is sunk into or lifted out of the storage box 2 through the lifting device 3. , both the lifting and lowering of the multimedia computer 18 can be realized, and it is convenient for teaching workers to adjust the computer 18 to a comfortable height of the field of view according to their own needs, through the threaded rod 9 and the movable sleeve 10 sleeved on it through the threaded connection, and with the movable sleeve 10 The hinged movable strut 11 and other key components can adjust the inclination angle of the support of the placement cabinet 5, thereby adjusting the pitch angle of the computer 18, so that the pitch angle of the computer 18 matches the career scope of the teaching workers, which is convenient for teachers to teach development of work.

Claims (5)

1. a desk that can store file teaching plans, is characterized in that, comprises base (1) and the storage box (2) that is fixed on the upper surface of base (1), the side wall top of described storage box (2) is hinged a box cover (15), a lifting device (3) is fixedly installed inside the storage box (2); The lifting device (3) includes a device box (3-1), and a first rotation shaft (3-2) is inserted horizontally on one side of the device box (3-1). (3-2) Passing through the hole in the side wall of the storage box (2), a first crank handle (3-7) is installed at the end of the first rotating shaft (3-2) protruding from the storage box (2) , the outer wall of the first crank handle (3-7) is fixed with a crank handle stopper (3-8), and the crank handle stopper (3-8) is adapted to the shape of the stop groove (2-1), so The stop groove (2-1) is communicated with the hole in the side wall of the storage box (2), and the end of the first rotating shaft (3-2) extending into the device box (3-1) is fixedly connected with a first bevel gear (3-3), the large end face of the first bevel gear (3-3) is close to the side wall of the device case (3-1), and the first bevel gear (3-3) is meshed with the second bevel gear (3-3). -4), the second bevel gear (3-4) is inserted into the rotating column (3-5) along the central axis, and the second bevel gear (3-4) is fixed to the rotating column (3-5) connection, the two ends of the rotating column (3-5) are respectively vertically installed on the upper and lower surfaces of the device box through rolling bearings, and the interior of the rotating column (3-5) is threadedly connected with a threaded column (3-6), The threaded column (3-6) penetrates through the top of the device box (3-1), and the upper end of the threaded column (3-6) is fixedly connected with a support plate (4); A support frame (6) is fixedly connected to one side of the upper surface of the support plate (4), a support block (7) is fixedly connected to the other side of the upper surface of the support plate (4), and the support frame (6) The upper part is hinged with a placing cabinet (5) through a second rotating shaft (8), a computer (18) is installed in the placing cabinet (5), and the computer (18) is away from the hinged position of the second rotating shaft (8). One end of a threaded rod (9) is inserted into the support block (7), the threaded rod (9) can be rotated in the support block (7), and the other end of the threaded rod (9) is movably connected to the support frame (6), the outer surface of the threaded rod (9) is covered with a movable sleeve (10), the threaded rod (9) is threadedly connected with the movable sleeve (10), and the top of the movable sleeve (10) is hinged to the movable support One end of the rod (11), and the other end of the movable support rod (11) is hingedly placed on the bottom of the outer wall of the cabinet (5). 2. A kind of desk that can store file teaching plan as claimed in claim 1 is characterized in that, a plurality of placement boards (17) are vertically arranged on one side of the inner bottom of the placement cabinet (5), and a plurality of the placement The plates (17) are parallel to each other, the two sides of each of the placement plates (17) are slidably connected to the slide rails (16) respectively, and a plurality of the slide rails (16) are respectively fixed to the side walls of the placement cabinet (5). 3. a kind of lectern that can store file teaching plan as claimed in claim 1 is characterized in that, the edge of the lower surface of described support plate (4) is fixedly installed with a plurality of support rods (13) in the circumferential direction, and a plurality of support rods (13). The support insertion rods (13) are vertically arranged and correspondingly inserted into the interior of a plurality of support sleeves (14), and the support sleeves (14) are fixed to the top of the device case (3-1). 4. A desk capable of storing file teaching plans as claimed in claim 1, characterized in that a lock (20) is fixedly connected to the side wall of the storage box (2), and a lock chain is installed on the lock (20). , the chain can connect and lock the first crank handle (3-7) and the box cover (15) to the lock catch (20). 5. A desk capable of storing file teaching plans according to claim 1, characterized in that a second crank handle (12) is fixedly connected to one end of the threaded rod (9) close to the support block (7).

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