CN214623290U - Novel projection curtain is used in computer teaching - Google Patents

Abstract

The utility model discloses a novel projection curtain for computer teaching, which comprises a base plate, wherein the base plate is bolted on the ground surface, supporting columns are symmetrically and fixedly connected with the left end and the right end of the base plate, supporting rods are placed inside the supporting columns, and the upper ends of the supporting rods are integrally connected with the rear end of a bearing plate; the connecting rods penetrate through the upper end of the bearing plate and are symmetrically arranged on the left and right sides of the longitudinal central axis of the bottom plate, and the upper ends of the connecting rods are fixedly connected with mounting seats; the connecting roller is rotatably connected to the inner end of the mounting seat, and a curtain main body is wound and connected on the connecting roller; the horizontal bar, horizontal bar fixed connection is at the lower extreme of curtain main part. This novel projection curtain is used in computer teaching not only is convenient for receive, puts the curtain, lets the curtain level all the time, installs the curtain on the loading board easily moreover, conveniently adjusts the holistic height of curtain simultaneously and is applicable to different occasions.

Description

Novel projection curtain is used in computer teaching

Technical Field

The utility model relates to a relevant technical field of computer teaching specifically is a novel projection curtain is used in computer teaching.

Background

At present, the computer can be used in all aspects of life, so that the computer is an important subject, a projection curtain can not be opened when computer teaching is carried out, important contents are displayed on the curtain by using a projector, and students can watch the important contents conveniently and teachers can teach the important contents conveniently.

However, general novel projection curtain for computer teaching not only is not convenient for adjust the interval of mould and produces not unidimensional wallboard, is difficult to change not unidimensional clamp plate moreover, and the position of inconvenient change loading board is demolded simultaneously, consequently, we propose a novel projection curtain for computer teaching to in the problem of proposing in the solution of the aforesaid.

Disclosure of Invention

An object of the utility model is to provide a novel projection curtain is used in computer teaching to solve most of novel projection curtains for computer teaching that propose in the above-mentioned background art, not only be not convenient for receive, put the curtain, let the curtain level and smooth all the time, be difficult to install the curtain on the loading board moreover, the problem of the holistic height of inconvenient regulation curtain is applicable to different occasions simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a novel projection curtain for computer teaching comprises a bottom plate, wherein the bottom plate is connected to the ground surface through bolts, supporting columns are symmetrically and fixedly connected to the left end and the right end of the bottom plate, supporting rods are placed inside the supporting columns, and the upper ends of the supporting rods are integrally connected to the rear end of a loading plate;

the connecting rods penetrate through the upper end of the bearing plate and are symmetrically arranged on the left and right sides of the longitudinal central axis of the bottom plate, and the upper ends of the connecting rods are fixedly connected with mounting seats;

the connecting roller is rotatably connected to the inner end of the mounting seat, and a curtain main body is wound and connected on the connecting roller;

the horizontal bar, horizontal bar fixed connection is at the lower extreme of curtain main part.

Preferably, the inside of support column is hollow column structure, and the upper end and the branch bolted connection of support column to be equidistant on the branch and seted up the round hole.

Through adopting above-mentioned technical scheme, because the inside of support column is hollow column structure, is equidistant round hole of having seted up on branch, therefore branch can slide from top to bottom in the inside of support column, carries out the position through bolt and round hole and prescribes a limit to, conveniently adjusts the holistic height of curtain and is applicable to different occasions.

Preferably, the rear end bilateral symmetry fixedly connected with gag lever post of mount pad, and the connecting strip with the one-to-one from top to bottom in the position of gag lever post, the rear end of connecting strip is inlayed and is connected the back upper end at the loading board simultaneously.

By adopting the technical scheme, the connecting strips are in up-down one-to-one correspondence with the positions of the limiting rods, so that the limiting rods can penetrate through the corresponding connecting strips, and the curtain is easily installed on the bearing plate.

Preferably, the connecting strip is internally connected with a limiting rod in a penetrating manner, and the lower end of the limiting rod is connected with the limiting cover in a threaded manner.

By adopting the technical scheme, because the lower extreme of gag lever post is connected with spacing lid adoption threaded mode, consequently spacing lid is injectd the position of gag lever post, installs the curtain on the loading board easily.

Preferably, the connecting roller and the longitudinal section of the baffle form an I-shaped structure, the center of the baffle is integrally connected to the connecting roller, and the right end of the connecting roller is fixedly connected with a worm wheel;

the lower extreme meshing of worm wheel has the worm, and the worm rotates to be connected at the right-hand member of mount pad to the curtain main part passes through the worm and connects the roller and is elevation structure at the front end of loading board, and the width of curtain main part equals with the interval size between the baffle left and right sides monomer simultaneously.

Through adopting above-mentioned technical scheme, because the curtain main part passes through the worm and the connecting roller is elevation structure at the front end of loading board, the width of curtain main part equals with the interval size between the monomer about the baffle simultaneously, therefore worm wheel and worm can carry out orderly receipts, put to the curtain main part.

Preferably, the rear end of the cross bar is in threaded connection with a sucker, the rear end of the sucker is connected to the inside of the limiting groove in a clamping mode, and the limiting groove is formed in the upper end and the lower end of the bearing plate.

Through adopting above-mentioned technical scheme, because the rear end snap-fit of sucking disc is connected in the inside of spacing groove, consequently place the curtain main part through sucking disc and spacing groove and rock.

Compared with the prior art, the beneficial effects of the utility model are that: the novel projection curtain for computer teaching is convenient to collect and place, so that the curtain is always smooth, the curtain is easy to install on the bearing plate, and the overall height of the curtain is convenient to adjust and is suitable for different occasions;

1. the curtain main body and the front end of the bearing plate are structurally designed, so that the worm is meshed with the worm wheel to drive the connecting roller to rotate when rotating, the curtain main body is collected and placed, the rear end of the sucking disc is connected inside the limiting groove in a clamping manner, the transverse bar is pressed towards the rear end, the sucking disc is adsorbed in the limiting groove at the corresponding position, the curtain main body is prevented from shaking, and therefore the curtain is convenient to collect and place, and the curtain is always flat;

2. the curtain cloth fixing device is provided with a connecting rod and a limiting rod, wherein the connecting rod is connected inside the upper end of the bearing plate in a penetrating manner, so that the mounting base is placed at the upper end of the bearing plate, and the limiting rod is connected with the limiting cover through threads, so that after the limiting rod penetrates through the corresponding connecting strip, the limiting is carried out through the limiting cover, and therefore, the curtain cloth is easily and stably placed and installed on the bearing plate;

3. be equipped with branch and round hole, the inside of support column is hollow column structure for branch can reciprocate the height of adjustment loading board in the hollow column structure of support column, be equidistant round hole of having seted up on the branch, install the bolt in the round hole that corresponds the position, prescribe a limit to the position of branch in the support column, thereby conveniently adjust the holistic height of curtain and be applicable to different occasions.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the left side view cross section structure of the connection between the support rod and the circular hole of the present invention;

FIG. 3 is a schematic view of the connection between the limiting rod and the limiting cover;

FIG. 4 is a right side view of the structure of the worm wheel and worm of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the bearing plate and the limiting groove of the present invention.

In the figure: 1. a base plate; 2. a support pillar; 3. a strut; 4. a circular hole; 5. a carrier plate; 6. a connecting rod; 7. a mounting seat; 8. a limiting rod; 9. a connecting strip; 10. a limiting cover; 11. a connecting roller; 12. a baffle plate; 13. a worm gear; 14. a worm; 15. a curtain main body; 16. a horizontal bar; 17. a suction cup; 18. a limiting groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel projection curtain for computer teaching comprises a bottom plate 1, support columns 2, support rods 3, round holes 4, a bearing plate 5, connecting rods 6, a mounting seat 7, limiting rods 8, connecting strips 9, limiting covers 10, connecting rollers 11, baffles 12, worm wheels 13, worms 14, a curtain main body 15, cross strips 16, suckers 17 and limiting grooves 18, wherein when the novel projection curtain for computer teaching is used, the mounting seat 7 is placed on the upper side of the bearing plate 5 by combining the drawings 1, 2 and 3, the left and right groups of connecting rods 6 fixedly connected at the lower end of the mounting seat 7 penetrate through the inner part of the upper end of the bearing plate 5, the mounting seat 7 is stably placed at the upper end of the bearing plate 5, the left and right groups of limiting rods 8 penetrate through the connecting strips 9 at corresponding positions after the mounting seat 7 is placed at the upper end of the bearing plate 5, the limiting covers 10 are rotated to be in threaded connection with the lower ends of the limiting rods 8, the limiting rod 8 is prevented from being separated from the inner part of the connecting strip 9, so that the mounting seat 7 is stably arranged at the upper end of the bearing plate 5;

referring to fig. 1, 2 and 4, the curtain main body 15 is installed inside the installation seat 7 through the connection roller 11, the worm 14 is rotated to engage with the worm wheel 13, so that the worm wheel 13 rotates, the connection roller 11 is driven to rotate when the worm wheel 13 rotates, the curtain main body 15 is wound when the connection roller 11 rotates clockwise, the curtain main body 15 can be wound on the connection roller 11 orderly through the limitation of the baffle 12 until the horizontal bar 16 moves to the upper end of the bearing plate 5, the horizontal bar 16 is pressed to the rear end, the suction cup 17 is clamped inside the upper end limit groove 18 and the suction cup 17 is adsorbed inside the limit groove 18, when the connection roller 11 rotates counterclockwise, the curtain main body 15 descends until the horizontal bar 16 descends to the lower end of the bearing plate 5, the suction cup 17 is clamped inside the limit groove 18 after being pressed to the rear end and the suction cup 17 is adsorbed inside the lower end limit groove 18, so that the curtain main body 15 does not shake all the time, the glass is in a flat state;

combine fig. 2 and fig. 3, when needing the height of adjustment curtain main part 15, take out branch 3 and the bolt of support column 2 upper end, the upper end of pulling branch 3, let branch 3 reciprocate in the inside of hollow column structure's support column 2, adjust the position of branch 3 in support column 2, after the height adjustment of curtain main part 15, run through the bolt in the upper end of support column 2, make the bolt run through simultaneously in the round hole 4 that corresponds the position, prescribe a limit to the position of branch 3 in support column 2, thereby be applicable to different occasions, this is the theory of operation of this novel projection curtain for computer teaching.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

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 (6)

1. The utility model provides a novel projection curtain is used in computer teaching which characterized in that includes:

the supporting device comprises a base plate (1), wherein the base plate (1) is connected to the ground surface through bolts, supporting columns (2) are symmetrically and fixedly connected to the left end and the right end of the base plate (1), supporting rods (3) are placed inside the supporting columns (2), and the upper ends of the supporting rods (3) are integrally connected to the rear end of a bearing plate (5);

the connecting rod (6) penetrates through the upper end of the bearing plate (5), the connecting rod (6) is arranged in a left-right symmetrical mode relative to the longitudinal central axis of the bottom plate (1), and meanwhile the upper end of the connecting rod (6) is fixedly connected with a mounting seat (7);

the connecting roller (11), the connecting roller (11) is rotatably connected to the inner end of the mounting seat (7), and the curtain main body (15) is wound and connected on the connecting roller (11);

the curtain comprises a cross bar (16), wherein the cross bar (16) is fixedly connected to the lower end of the curtain main body (15).

2. The novel projection curtain for computer teaching of claim 1, wherein: the inside of support column (2) is hollow column structure, and the upper end and branch (3) bolted connection of support column (2) to be equidistant round hole (4) of having seted up on branch (3).

3. The novel projection curtain for computer teaching of claim 1, wherein: the rear end bilateral symmetry fixedly connected with gag lever post (8) of mount pad (7), and connecting strip (9) with the one-to-one about the position of gag lever post (8), the rear end of connecting strip (9) is inlayed and is connected in the back upper end of loading board (5) simultaneously.

4. The novel projection curtain for computer teaching of claim 3, wherein: the inside through connection of connecting strip (9) has gag lever post (8), and the lower extreme and spacing lid (10) of gag lever post (8) adopt the mode of screw thread to be connected.

5. The novel projection curtain for computer teaching of claim 1, wherein: the longitudinal sections of the connecting roller (11) and the baffle (12) form an I-shaped structure, the center of the baffle (12) is integrally connected to the connecting roller (11), and the right end of the connecting roller (11) is fixedly connected with a worm wheel (13);

the lower end of the worm wheel (13) is meshed with a worm (14), the worm (14) is rotatably connected to the right end of the mounting seat (7), the curtain main body (15) is of a lifting structure at the front end of the bearing plate (5) through the worm (14) and the connecting roller (11), and meanwhile the width of the curtain main body (15) is equal to the size of the space between the left monomer and the right monomer of the baffle (12).

6. The novel projection curtain for computer teaching of claim 5, wherein: the rear end threaded connection of horizontal bar (16) has sucking disc (17), and the rear end snap-fit of sucking disc (17) connects in the inside of spacing groove (18) to spacing groove (18) have all been seted up at the upper and lower both ends of loading board (5).

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