CN210300042U - Teaching teacher's lectern convenient to clearance dust - Google Patents

Abstract

The utility model discloses a teacher's lectern is used in teaching convenient to clearance dust, comprising a base plate, the equal fixedly connected with curb plate in the left and right sides at bottom plate top, the rear side fixedly connected with backplate at bottom plate top, the rear side of curb plate and the front side fixed connection of backplate, fixed axle fixed connection is passed through at the top that two curb plates are close to one side each other, the surperficial swing joint of fixed axle has rotatory piece, the board is put to the top fixedly connected with of rotatory piece. The utility model discloses a fixed axle, rotatory piece, put board, U-shaped and enclose and close frame, fixed block, limiting plate, spacing groove, movable plate, carriage release lever, firm board, firm pole, fly leaf, spring and kicking block mutually support, make teacher's lectern be convenient for clear up the dust, the dust and chalk dust above the desktop just can be clear away to the time that the clearance personnel spent the mindful, have alleviateed clearance personnel's work burden, bring very big facility for the user.

Description

Teaching teacher's lectern convenient to clearance dust

Technical Field

The utility model relates to a teaching aid technical field specifically is a teacher's lectern is used in teaching convenient to clearance dust.

Background

The teaching is a unique talent culture activity of human beings formed by the teaching of teachers and the learning of students, through the activity, teachers have purposes, plan and organically guide students to study and master cultural scientific knowledge and skills, the improvement of student quality is promoted, so that the students become people required by society, a teacher desk basically means a desk used by teachers when the teachers speak, books or texts are placed on the desk, common teacher desks are not convenient to clean dust, more chalk dust often falls on the teacher desks, the students often need to spend more time to clean the dust on the desks when cleaning classrooms, the efficiency of the students in cleaning the classrooms is reduced, the cleaning burden of the students is increased, the users are also not convenient to clean the dust on the desks, and great inconvenience is brought to the users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teacher's lectern is used in teaching convenient to clearance dust possesses the advantage of the clearance dust of being convenient for, has solved the problem of the clearance dust of common teacher's lectern not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a teacher's desk convenient for dust cleaning comprises a bottom plate, wherein the left side and the right side of the top of the bottom plate are fixedly connected with side plates, the rear side of the top of the bottom plate is fixedly connected with a back plate, the rear sides of the side plates are fixedly connected with the front side of the back plate, the tops of two side plates close to one side are fixedly connected through a fixed shaft, the surface of the fixed shaft is movably connected with a rotating block, the top of the rotating block is fixedly connected with a placing plate, the top of the placing plate is fixedly connected with a U-shaped enclosing frame, the front side of the bottom of the rotating block is symmetrically provided with two fixed blocks, the tops of the fixed blocks are fixedly connected with the bottom of the rotating block, one sides of the two fixed blocks close to the side are movably connected with limiting plates, the side of the side plates close to the fixed blocks and corresponding to the limiting plates are provided with limiting grooves matched with the side of the side plates, the utility model discloses a fixing device for a motor vehicle, including limiting plate, curb plate, stabilizer plate, movable plate, stabilizer plate, movable plate, stabilizer plate, movable plate, stabilizer.

Preferably, the bottom of the side plate close to one side of the fixed shaft is fixedly connected with a reinforcing block, and the bottom of the reinforcing block is fixedly connected with the top of the bottom plate.

Preferably, one side of the side plate, which is far away from the fixed shaft, is provided with a groove.

Preferably, the top of the back plate is fixedly connected with a connecting block at a position corresponding to the side plate, and the front side of the connecting block is fixedly connected with the rear side of the side plate.

Preferably, the surface of the limiting plate is fixedly connected with a limiting ring at a position between the side plate and the fixing block, and one side of the limiting ring, which is close to the side plate, is in contact with the side plate.

Preferably, the stabilizing rod is movably connected with the stabilizing plate.

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

1. the utility model discloses a fixed axle, rotatory piece, put board, U-shaped and enclose and close frame, fixed block, limiting plate, spacing groove, movable plate, carriage release lever, firm board, firm pole, fly leaf, spring and kicking block mutually support, make teacher's lectern be convenient for clear up the dust, the dust and chalk dust above the desktop just can be clear away to the time that the clearance personnel spent the mindful, have alleviateed clearance personnel's work burden, bring very big facility for the user.

2. The utility model discloses a set up the reinforcing block, played the effect of consolidating the curb plate, avoided the curb plate to incline because of the influence of external force, through setting up the recess, the person of facilitating the use carries teacher's lectern, through setting up the connecting block, has consolidated the fixed connection relation between curb plate and the backplate, through setting up the spacing ring, has played the effect that prevents the limiting plate and break away from the fixed block.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

fig. 2 is a structural section view of the right side view of the present invention.

In the figure: the device comprises a base plate 1, side plates 2, a back plate 3, a fixing shaft 4, a rotating block 5, a placing plate 6, a U-shaped enclosing frame 7, a fixing block 8, a limiting plate 9, a limiting groove 10, a moving plate 11, a moving rod 12, a stabilizing plate 13, a stabilizing rod 14, a moving plate 15, a spring 16, a top block 17, a reinforcing block 18, a groove 19, a connecting block 20 and a limiting ring 21.

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. 1-2, a teacher's desk for teaching, which is convenient for cleaning dust, comprises a bottom plate 1, side plates 2 fixedly connected to the left and right sides of the top of the bottom plate 1, a back plate 3 fixedly connected to the rear side of the top of the bottom plate 1, the rear side of the side plates 2 fixedly connected to the front side of the back plate 3, a connecting block 20 fixedly connected to the top of the back plate 3 and corresponding to the side plates 2, the front side of the connecting block 20 fixedly connected to the rear side of the side plates 2, the fixed connection between the side plates 2 and the back plate 3 is reinforced by the connecting block 20, the tops of the two side plates 2 adjacent to each other are fixedly connected by a fixed shaft 4, a reinforcing block 18 fixedly connected to the bottom of the side plate 2 adjacent to the fixed shaft 4, the bottoms of the reinforcing blocks 18 fixedly connected to the top of the bottom plate 1, the reinforcing blocks 18 are provided to reinforce the side plates 2, and prevent, one side of the side plate 2, which is far away from the fixed shaft 4, is provided with a groove 19, the teacher desk is convenient for a user to carry, the surface of the fixed shaft 4 is movably connected with a rotating block 5, the rotating block 5 can rotate on the surface of the fixed shaft 4 but can not shake, the top of the rotating block 5 is fixedly connected with a placing plate 6, the top of the placing plate 6 is fixedly connected with a U-shaped enclosing frame 7, the front side of the bottom of the rotating block 5 is symmetrically provided with two fixed blocks 8, the top of the fixed block 8 is fixedly connected with the bottom of the rotating block 5, one side, which is close to the two fixed blocks 8, is movably connected with a limiting plate 9, one side, which is close to the fixed block 8, of the side plate 2 is provided with a limiting groove 10 matched with the fixed block 9, one side, which is close to the side plate 9, sequentially penetrates through the fixed block 8 and the limiting groove 10 and extends into the limiting groove 10, and the surface, one side of the limiting ring 21 close to the side plate 2 is contacted with the side plate, the limiting ring 21 is arranged to play a role of preventing the limiting plate 9 from being separated from the fixed block 8, one side of the limiting plate 9 far away from the side plate 2 is fixedly connected with a movable plate 11, one side of the movable plate 11 far away from the limiting plate 9 is fixedly connected with a movable rod 12, the bottom of the rotating block 5 is fixedly connected with a stabilizing plate 13, one side of the front face of the movable rod 12 far away from the movable plate 11 is movably connected with a stabilizing rod 14, the rear end of the stabilizing rod 14 sequentially penetrates through the movable rod 12 and the stabilizing plate 13 from front to back and extends to the rear side of the stabilizing plate 13, the stabilizing rod 14 is movably connected with the stabilizing plate 13, the rear ends of the two stabilizing rods 14 are fixedly connected through a movable plate 15, a spring 16 is sleeved on the surface of the stabilizing rod 14 and at a position between the stabilizing plate 13 and the movable plate 15, the, the rear end of the spring 16 is fixedly connected with the front side of the movable plate 15, the spring 16 is in a stretching state as shown in the figure, when no foreign object is limited, the spring 16 can drive the movable plate 15 to move forwards, the top and the bottom of the movable plate 15 are fixedly connected with the top block 17, the front side of the top block 17 is in contact with the rear side of the stabilizing plate 13, and through the mutual matching of the fixed shaft 4, the rotating block 5, the shelving plate 6, the U-shaped enclosing frame 7, the fixed block 8, the limiting plate 9, the limiting groove 10, the movable plate 11, the moving rod 12, the stabilizing plate 13, the stabilizing rod 14, the movable plate 15, the spring 16 and the top block 17, the teacher lecture table is convenient to clean dust, dust and chalk dust on the table top can be cleaned in a very short time by cleaning personnel, the work burden of the cleaning personnel is relieved, and great convenience is brought to users.

When the chalk dust cleaning device is used, a teacher can place books, chalk boxes and the like on the top of the placing plate 6, when cleaning personnel need to clean chalk dust on the top of the placing plate 6, the movable plates 15 pull the stabilizing rods 14 backwards, the stabilizing rods 14 are separated from the movable rods 12, then the two movable rods 12 move towards the directions close to each other, the movable rods 12 drive the limiting plates 9 to move through the movable plates 11, the limiting plates 9 are separated from the limiting grooves 10, the cleaning personnel rotate the U-shaped enclosing frame 7, the U-shaped enclosing frame 7 drives the rotating block 5 to rotate through the placing plate 6, the rotating block 5 rotates on the surface of the fixed shaft 4, the placing plate 6 overturns towards the front side, finally, dust can fall off from the front side of the U-shaped enclosing frame 7, and the cleaning personnel can clean the chalk dust on the top of the placing plate 6 in a matched mode in the dust cleaning process, and enable the chalk dust to slide off more easily.

In summary, the following steps: this teaching is with teacher's lectern convenient to clearance dust, through fixed axle 4, rotatory piece 5, shelve board 6, U-shaped enclose close frame 7, fixed block 8, limiting plate 9, spacing groove 10, movable plate 11, carriage release lever 12, firm board 13, firm pole 14, fly leaf 15, spring 16 and kicking block 17 mutually support, solved the problem that common teacher's lectern is not convenient for clear up the dust.

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 (6)

1. The utility model provides a teaching is with teacher's lectern convenient to clearance dust, includes bottom plate (1), its characterized in that: the equal fixedly connected with curb plate (2) in the left and right sides at bottom plate (1) top, rear side fixedly connected with backplate (3) at bottom plate (1) top, the rear side of curb plate (2) and the front side fixed connection of backplate (3), fixed axle (4) fixed connection is passed through at the top that two curb plates (2) are close to one side each other, the surperficial swing joint of fixed axle (4) has rotatory piece (5), board (6) are shelved to the top fixedly connected with of rotatory piece (5), the top fixedly connected with U-shaped of shelving board (6) encloses and closes frame (7), the front side symmetry of rotatory piece (5) bottom is provided with two fixed blocks (8), the bottom fixed connection of the top of fixed block (8) and rotatory piece (5), the equal swing joint in one side that two fixed blocks (8) are close to has limiting plate (9), curb plate (2) are close to one side of fixed block (8) and correspond the position of limiting plate (9) and have been seted up rather A matched limiting groove (10), wherein one side of the limiting plate (9) close to the side plate (2) sequentially penetrates through the fixing block (8) and the limiting groove (10) and extends to the inside of the limiting groove (10), one side of the limiting plate (9) far away from the side plate (2) is fixedly connected with a movable plate (11), one side of the movable plate (11) far away from the limiting plate (9) is fixedly connected with a movable rod (12), the bottom of the rotating block (5) is fixedly connected with a stabilizing plate (13), one side of the movable rod (12) which is openly far away from the movable plate (11) is movably connected with a stabilizing rod (14), the rear end of the stabilizing rod (14) sequentially penetrates through the movable rod (12) and the stabilizing plate (13) from the front side to the rear side and extends to the stabilizing plate (13), the rear ends of the two stabilizing rods (14) are fixedly connected through a movable plate (15), and a spring (16) is sleeved at a position between the surface of the stabilizing rod (14) and the stabilizing plate (13) and the movable plate (, the front end of spring (16) and the rear side fixed connection of steadying board (13), the rear end of spring (16) and the front side fixed connection of fly leaf (15), the top and the equal fixedly connected with kicking block (17) in bottom of fly leaf (15), the front side of kicking block (17) and the rear side of steadying board (13) contact each other.

2. The teacher's desk convenient for dust cleaning for teaching of claim 1, wherein: the bottom of the side plate (2) close to one side of the fixed shaft (4) is fixedly connected with a reinforcing block (18), and the bottom of the reinforcing block (18) is fixedly connected with the top of the bottom plate (1).

3. The teacher's desk convenient for dust cleaning for teaching of claim 1, wherein: one side of the side plate (2) far away from the fixed shaft (4) is provided with a groove (19).

4. The teacher's desk convenient for dust cleaning for teaching of claim 1, wherein: the top of backplate (3) just corresponds the position fixedly connected with connecting block (20) of curb plate (2), the front side of connecting block (20) and the rear side fixed connection of curb plate (2).

5. The teacher's desk convenient for dust cleaning for teaching of claim 1, wherein: the surface of limiting plate (9) just is located position fixedly connected with spacing ring (21) between curb plate (2) and fixed block (8), spacing ring (21) are close to one side of curb plate (2) rather than contact each other.

6. The teacher's desk convenient for dust cleaning for teaching of claim 1, wherein: the stabilizing rod (14) is movably connected with the stabilizing plate (13).

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