Pen point writing angle vertical projector

Abstract

The utility model relates to the technical field of vertical projectors, and discloses a pen point writing angle vertical projector, which comprises a U-shaped supporting plate, a drawer box, a mounting frame and a projector main body, the outer side of the drawer box is sleeved with a U-shaped supporting plate, a supporting vertical plate is installed on one side of the top end of the U-shaped supporting plate through bolts, a horizontal plate is welded to one side of the top end of the supporting vertical plate, a U-shaped block is welded to the other end of the horizontal plate, a rotating block is installed in the U-shaped block through a damping rotating shaft, and a mounting frame is installed at one end of the rotating block through a mounting groove. Locking bolts are mounted on the two sides of the mounting frame through screw holes, and one end of the inner side of each locking bolt is connected with a clamping plate through a bearing. According to the pen point writing angle vertical projector, the projector body can be conveniently installed and detached, the projection angle of the projector body is adjusted to achieve synchronous display of a projection picture and a computer screen, explanation and observation are facilitated, and a proper writing angle can be found.

Description

TECHNICAL FIELD

[0001] The utility model relates to vertical projection technology field, especially relate to the writing angle vertical projection of pen head. BACKGROUND

[0002] As a powerful assistant of modern calligraphy teaching, the writing angle vertical projection of pen head is gradually changing the traditional teaching method. Before formal use, it is very important to do the preparation work, the projector needs to be placed in a suitable position, the focal length and angle are carefully adjusted to ensure that the projection picture is clear. Then, connect the power supply and video line, turn on the power supply, and wait for the projector to start. At the same time, don't forget to connect the notebook computer or other playback equipment to ensure smooth signal transmission, load the calligraphy teaching material or demonstration file to the player, set the computer "mirror projection", and realize the synchronous display of the projection picture and the computer screen.

[0003] The writing angle vertical projection of pen head has the following shortcomings: 1. It is not convenient to install and disassemble the projector main body, not convenient to adjust the projection angle of the projector main body to realize the synchronous display of the projection picture and the computer screen, convenient to explain and observe, and find the suitable writing angle. Therefore, the writing angle vertical projection of pen head is provided by the technical personnel in the field to solve the problems in the above background technology. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide the writing angle vertical projection of pen head to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] The writing angle vertical projection of pen head comprises a U-shaped support plate, a drawer box, a mounting frame and a projector main body.

[0007] The outer side of the drawer box is sleeved with the U-shaped support plate, the top end of the U-shaped support plate is provided with a supporting vertical plate through bolts, the top end of the supporting vertical plate is welded with a horizontal plate, the other end of the horizontal plate is welded with a U-shaped block, and a rotating block is installed in the U-shaped block through a damping rotating shaft, one end of the rotating block is installed with a mounting frame through a mounting groove, the two sides of the mounting frame are installed with locking bolts through screw holes, the inner side of the locking bolt is connected with a clamping plate through a bearing, the projector main body is clamped between the clamping plates, and the side of the projector main body is provided with a projector lens.

[0008] As a further scheme of the utility model: the drawer box is sleeved with a drawer, and the outer side of the drawer is welded with a handle.

[0009] As a further scheme of the utility model: the two corners of the U-shaped support plate are welded with enlarged foot plates.

[0010] As a further scheme of the present application: the drawer box is provided with a file rack at one end of the top thereof and fixed by bolts.

[0011] As a further scheme of the present application: a triangular support is welded at the connecting corner of the horizontal plate and the supporting vertical plate, so that the strength and rigidity of the whole are improved.

[0012] As a further scheme of the present application: a power interface is embedded at the back side of the projector main body, and a signal line interface is embedded at one end of the power interface, so that the power line is conveniently connected by the power interface, and the computer is conveniently used by the signal line interface.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] 1. The locking bolt is tightened inwardly to move the clamping plates towards each other, so that the projector main body is clamped and fixed, and the installation and dismounting are facilitated, the power line is conveniently connected by the power interface, the computer is conveniently used by the signal line interface, the projector main body is turned on and adjusted to a proper focal length, the projection angle of the projector main body is adjusted by rotating the rotating block through the damping rotating shaft, and the synchronous display of the projection picture and the computer screen is realized.

[0015] 2. The picture brightness, contrast and color saturation are adjusted according to the personal needs, so that the calligraphy handwriting is clearly visible, and the projection distance and picture size are adjusted, so that the handwriting size is moderate, the explanation and observation are facilitated, the proper writing angle is found, the data are conveniently stored by the file rack, conveniently taken, the scattered learning supplies are conveniently stored in the drawer of the drawer box, lost, and conveniently taken. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the present application.

[0017] Fig. 2 It is a side view of the present application.

[0018] Fig. 3 It is a whole structure schematic view of the present application.

[0019] In the drawing: 1, U-shaped supporting plate; 2, file rack; 3, supporting vertical plate; 4, triangular support; 5, horizontal plate; 6, U-shaped block; 7, rotating block; 8, mounting frame; 9, projector main body; 10, projector lens; 11, locking bolt; 12, damping rotating shaft; 13, drawer box; 14, drawer; 15, enlarged foot plate; 16, clamping plate; 17, bearing; 18, power interface; 19, signal line interface. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3 In the embodiments of the utility model, the pen head writing angle vertical projection instrument, including U-shaped support plate 1, drawer box 13, installation frame 8 and projector main body 9, drawer box 13 is equipped with drawer 14 on one side, and drawer 14 is equipped with handle on the outside.

[0022] The outer side of drawer box 13 is sleeved with U-shaped support plate 1, the top end of U-shaped support plate 1 is provided with support vertical plate 3 on one side through bolt, the top end of support vertical plate 3 is welded with horizontal plate 5 on one side, the other end of horizontal plate 5 is welded with U-shaped block 6, and rotating block 7 is installed in U-shaped block 6 through damping pivot 12, one end of rotating block 7 is installed with installation frame 8 through installation slot, and lock bolt 11 is installed on both sides of installation frame 8 through screw hole, the inner side of lock bolt 11 is connected with clamping plate 16 through bearing 17, projector main body 9 is clamped between clamping plate 16, and projector lens 10 is arranged on one side of projector main body 9.

[0023] Among them, drawer box 13 is equipped with drawer 14 on one side, and drawer 14 is welded with handle on the outside; the drawer 14 in the drawer box 13 is convenient for storing scattered learning supplies, avoiding loss and facilitating taking.

[0024] Among them, the two corners of U-shaped support plate 1 are welded with enlarged foot plates 15; the enlarged foot plates 15 are used to improve the stability of U-shaped support plate 1 during placement.

[0025] Among them, the top end of drawer box 13 is provided with data shelf 2 through bolt; the data shelf 2 is used to store data conveniently and facilitate taking.

[0026] Among them, the connecting corner of horizontal plate 5 and support vertical plate 3 is welded with triangular support 4; the triangular support 4 welded between horizontal plate 5 and support vertical plate 3 is used to improve the strength and rigidity of the whole.

[0027] Among them, the back side of projector main body 9 is embedded with power interface 18, and signal line interface 19 is embedded in one end of power interface 18; the power interface 18 is used to connect power line conveniently, and the signal line interface 19 is used to facilitate computer use.

[0028] The working principle of the utility model is: the locking bolt 11 is screwed inwards to make the clamping plates 16 move towards each other, so as to clamp and fix the projector main body 9, facilitate installation and disassembly, the power interface 18 is used to facilitate connection of the power cord, the signal line interface 19 is used to facilitate computer use, the projector main body 9 is turned on and adjusted to the proper focal length, the damping shaft 12 is used to facilitate rotation of the rotating block 7 to adjust the projection angle of the projector main body 9, realize synchronous display of the projection picture and the computer screen, and according to individual needs, the picture brightness, contrast and color saturation are adjusted to ensure that the calligraphy handwriting is clear and visible, meanwhile, the projection distance and the picture size are adjusted to make the handwriting size moderate, so as to facilitate explanation and observation, find the proper writing angle, the data rack 2 is used to facilitate storage of data, convenient to take, the drawer 14 in the drawer box 13 is used to store scattered learning supplies, avoid loss and convenient to take.

[0029] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A pen head writing angle vertical projection apparatus, comprising a U-shaped support plate (1), a drawer box (13), a mounting frame (8) and a projector main body (9); characterized in that; The outer side of the drawer box (13) is sleeved with a U-shaped support plate (1), one side of the top end of the U-shaped support plate (1) is provided with a support vertical plate (3) through a bolt, one side of the top end of the support vertical plate (3) is welded with a horizontal plate (5), the other end of the horizontal plate (5) is welded with a U-shaped block (6), and a rotating block (7) is installed in the U-shaped block (6) through a damping rotating shaft (12), one end of the rotating block (7) is provided with a mounting frame (8) through a mounting slot, both sides of the mounting frame (8) are provided with locking bolts (11) through screw holes, one end of the locking bolts (11) is connected with clamping plates (16) through bearings (17), the projector main body (9) is clamped between the clamping plates (16), and one side of the projector main body (9) is provided with a projector lens (10).

2. The tip angle upright projector of claim 1, wherein: One side of the drawer box (13) is sleeved with a drawer (14), and the outer side of the drawer (14) is welded with a handle.

3. The tip angle upright projector of claim 1, wherein: Both sides of the U-shaped support plate (1) are welded with enlarged foot plates (15) at the corners.

4. The tip angle upright projector of claim 1, wherein: One end of the top of the drawer box (13) is provided with a data shelf (2) through a bolt.

5. The tip angle upright projector of claim 1, wherein: The connecting corner of the horizontal plate (5) and the support vertical plate (3) is welded with a triangular support (4).

6. The tip angle upright projector of claim 1, wherein: The back side of the projector main body (9) is embedded with a power interface (18), and one end of the power interface (18) is embedded with a signal line interface (19).

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