CN210324694U

CN210324694U - Copying projector

Info

Publication number: CN210324694U
Application number: CN201921297663.9U
Authority: CN
Inventors: 刘嘉丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-14
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a copying projector, which comprises a bracket, a projecting lamp assembly, a mounting rack and a transparent copying board; the bracket is provided with an installation panel inclining upwards, the projection lamp assembly and the installation frame are installed on the upper surface of the installation panel, and the projection lamp assembly is located above the installation frame in an inclined mode; transparent copy board installs in the mounting bracket, shines on copying the board through the light of projecting lamp subassembly, and then demonstrates characters or pattern on copying the board on the horizontal plane. The utility model provides the high protection to eyes, when reducing equipment cost, reinforcing practicality.

Description

Copying projector

Technical Field

The utility model relates to a calligraphy practising tool technical field, concretely relates to copy projecting apparatus.

Background

There is a copying table using light transmission on the market, which is manufactured by hollowing out the desk top, embedding a transparent plate, such as a glass plate and a transparent plastic plate, and placing paper to be written on the transparent plate. The lamp box device is arranged below the transparent plate, and copybooks or pictures are placed below the transparent plate, so that handwriting or pictures are projected on paper to be written, and a writer copies the handwriting or the pictures to achieve the purpose of calligraphy or painting practice.

The copying table has the following defects: 1. even if the light is filtered to remove some of the blue light, damage to the eyes may still actually occur because the light is directly opposite the eyes. Especially, the damage to eyes is very large after long-term use. 2. The writing paper to be written is required to be high in requirement, and the writing paper cannot be too thick and has certain light transmittance. If the two points cannot be met, the projection drawing on the back of the paper to be written cannot penetrate through the front of the paper to be written, and the paper cannot be written. Therefore, this apparatus cannot be applied to a workbook, a practice book, or a drawing sheet, and is not widely applicable. 3. The whole desk needs to be modified or reproduced or a complete copy desk needs to be purchased, so that the cost is high when the existing desk is modified or purchased, and the desk is difficult to be effectively popularized.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a copy projecting apparatus to improve the protection to eyes, when reducing equipment cost, strengthen the practicality.

The utility model provides a copying projector, which comprises a bracket, a projecting lamp assembly, a mounting rack and a transparent copying board; the bracket is provided with an installation panel inclining upwards, the projection lamp assembly and the installation frame are installed on the upper surface of the installation panel, and the projection lamp assembly is located above the installation frame in an inclined mode; transparent copy board installs in the mounting bracket, shines on copying the board through the light of projecting lamp subassembly, and then demonstrates characters or pattern on copying the board on the horizontal plane.

The beneficial effects of the utility model are embodied in:

the copying board is used for engraving or printing the handwriting or the painting which needs to be copied, and the handwriting or the painting is made according to the needs of a user. The specific application method of the equipment is as follows:

install the support or place on the desktop, then fix the copy board on the mounting bracket, open the profection lamp subassembly and then demonstrate the writing or the drawing on the copy board on the desktop again, will wait to write the writing or the drawing department that paper was put on the desktop at last, the projection is accomplished. And the writer performs copying writing according to the handwriting or the painting displayed by projection.

Compare current imitation platform, the drawback of the eyes is directly penetrated to the light has been avoided completely of this equipment, has reduced the stimulation to eyes greatly to the injury to eyes has been reduced. Secondly, because the writing or the painting is projected on the upper surface of the paper to be written, the equipment has no requirements on the thickness and the transmittance of the paper to be written, and the requirements on the paper are greatly reduced. In addition, the equipment does not need to modify the original desktop, does not generate modification cost, has simple structure, correspondingly has low production and manufacturing cost, reduces the economic pressure of demanders, and is favorable for large-area popularization.

Preferably, the projection lamp assembly comprises a beam lamp and an adjuster mounted on the beam lamp for adjusting the illumination intensity and the condensation range of the beam lamp.

Everybody is different to the sensitivity of light, rationally adjusts illumination intensity according to user's demand to adapt to different crowds, further reduce the stimulation to eyes, improve the protection to the human body. The condensing range is changed by adjusting the focal length of the beam lamp to change the range of the light spot.

Preferably, the beam light is connected with the mounting panel and the beam light is provided with a first knob.

Preferably, the mounting panel is provided with a mounting hole, and the beam lamp is rotatably connected in the mounting hole and locked and unlocked by the first knob.

First knob is adjusting nut, and the light beam lamp is equipped with the bolt, and the bolt passes mounting hole and adjusting nut threaded connection, through rotatory adjusting nut in order to change the elasticity of light beam lamp and installation panel, and then adjust the direction of shining of light beam lamp, conveniently aim at with copying the board.

Preferably, the bracket is provided with a second knob for adjusting the height.

Preferably, the upper and lower portions of the bracket are connected in a telescopic structure, and are locked and unlocked by the second knob.

The vertical cross section of the bracket is in the shape of an open trapezoid, and the opening of the bracket faces the horizontal direction. One side of the desk is a mounting panel, the other side of the desk is a base panel which is placed or fixed on the desktop, and a telescopic panel is arranged between the mounting panel and the base panel. Thereby the lower part that telescopic panel's lower part was inserted in telescopic panel's upper portion forms the telescopic structure, and the second knob is adjusting bolt, and adjusting bolt rotates the lower part of installing at telescopic panel, thereby precession adjusting bolt top tightly locks to telescopic panel's upper portion. Otherwise, the lock is unlocked by screwing out, and the adjustment is convenient.

Preferably, the mounting bracket is slidably connected to the mounting panel and the mounting bracket is provided with a third knob.

Preferably, the mounting panel is provided with a sliding groove, and the mounting rack is slidably connected in the sliding groove and locked and unlocked through the third knob.

The mounting bracket is provided with a bolt, the third knob is also an adjusting nut, the bolt is inserted into the sliding groove and is locked through the adjusting nut, and the adjusting mode of the bolt is the same as that of the second knob.

Preferably, the mounting rack comprises a holding rack for holding the copy board.

Preferably, the mounting frame comprises a transparent carrier plate for placing the copy plate.

This equipment provides two kinds of modes of installing copy board, and one of them sets up the holding frame, and the board is copied to the holding frame clip, and light sees through copy board just can the projection go out writing or drawing on the desktop. Secondly, a transparent carrying plate is arranged, and the carrying plate can be a transparent glass plate or a transparent plastic plate. The object carrying plate does not affect the projection of writing or painting, and has the advantage of convenient installation of the copying plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a schematic structural view of the copy projector of the present embodiment after being mounted on a desktop;

fig. 3 is a schematic structural diagram of the copy board in this embodiment.

In the drawing, a support 1, a projection lamp assembly 2, a mounting rack 3, a copying board 4, a mounting panel 5, a base panel 6, a telescopic panel 7, a first knob 8, a second knob 9, a third knob 10, a light beam lamp 11, an adjuster 12, a wire frame 13, a desktop 14 and paper to be written 15.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1, the present embodiment provides a copying projector including a support 1, a projecting lamp assembly 2, a mounting frame 3, and a transparent copying plate 4. Wherein the vertical cross section of the bracket 1 is in the shape of an open trapezoid, the opening of which faces the horizontal direction. One of the two sides is a mounting panel 5, the other side is a base panel 6 placed or fixed on a table top 14, and a telescopic panel 7 is arranged between the mounting panel 5 and the base panel 6. While the holder 1 is provided with a second knob 9 for height adjustment. The upper and lower parts of the stand 1 are connected in a telescopic structure and locked and unlocked by the second knob 9. Thereby the lower part that telescopic panel 7 was inserted in telescopic panel 7's upper portion forms telescopic structure, and second knob 9 is adjusting bolt, and adjusting bolt rotates to install in telescopic panel 7's lower part, thereby precession adjusting bolt top tightly locks to telescopic panel 7's upper portion. Otherwise, the lock is unlocked by screwing out, and the adjustment is convenient.

The base panel 6 is horizontally placed on or fixed on the table top 14, the mounting panel 5 is inclined upwards, the projection lamp assembly 2 and the mounting frame 3 are mounted on the upper surface of the mounting panel 5, and the projection lamp assembly 2 is positioned obliquely above the mounting frame 3. The projector assembly 2 and the mounting bracket 3 are specifically mounted as follows:

the projector assembly 2 comprises a light beam lamp 11 and an adjuster 12 mounted on the light beam lamp 11 and used for adjusting the illumination intensity and the condensation range of the light beam lamp 11. The regulator 12 is a resistance variable resistor connected in series in the circuit of the light beam lamp 11, and the illumination intensity of the light beam lamp 11 is changed by changing the current magnitude in the circuit. Everybody is different to the sensitivity of light, rationally adjusts illumination intensity according to user's demand to adapt to different crowds, further reduce the stimulation to eyes, improve the protection to the human body. The beam light 11 is connected to the mounting panel 5 and the beam light 11 is provided with a first knob 8. The mounting panel 5 is provided with a mounting hole, and the beam lamp 11 is rotatably connected in the mounting hole and locked and unlocked through the first knob 8. First knob 8 is adjusting nut, and light beam lamp 11 is equipped with the bolt, and the bolt passes mounting hole and adjusting nut threaded connection, through rotatory adjusting nut in order to change light beam lamp 11 and installation panel 5's elasticity, and then adjusts the direction of illumination of light beam lamp 11, conveniently aims at with copying board 4.

The mounting bracket 3 is slidably connected to the mounting panel 5 and the mounting bracket 3 is provided with a third knob 10. The mounting panel 5 is provided with a sliding groove, and the mounting rack 3 is slidably connected to the sliding groove and is locked and unlocked through the third knob 10. The mounting frame 3 is provided with a bolt, the third knob 10 is also an adjusting nut, the bolt is inserted into the sliding groove and is locked through the adjusting nut, and the adjusting mode of the bolt is the same as that of the second knob 9.

Transparent copy board 4 in this embodiment is installed in mounting bracket 3, shines on copy board 4 through the light of projecting lamp subassembly 2, and then demonstrates characters or pattern on copy board 4 on the horizontal plane. The present embodiment provides two configurations of the mounting frame 3:

one structure is as follows: the mounting bracket 3 is a clamping bracket used for clamping the copying board 4, the clamping bracket clamps the copying board 4, and the light can project handwriting or painting on the desktop 14 through the copying board 4. In another aspect, the structure is: the mounting frame 3 is a transparent carrying plate, which can be a transparent glass plate or a transparent plastic plate. The object carrying plate does not influence the projection of writing or painting, and the object carrying plate has the advantages that the copying plate 4 can be directly placed on the object carrying plate, and the installation is convenient.

In this embodiment, the copy board 4 is engraved or printed with the handwriting or the painting to be copied, and the handwriting or the painting is made according to the needs of the user. In this embodiment, the calligraphy practicing teaching material used in primary schools is taken as an example: on the copying board 4 for engraving or printing characters of the calligraphy practice teaching material, the characters on each copying board 4 are subjected to rectangular typesetting, a character wire frame 13 is arranged on each copying board 4, and the wire frame 13 is the same as the wire frame 13 on the exercise book or the calligraphy practice book.

The support 1 is installed or placed on a desktop 14, the copying board 4 is fixed on the installation frame 3, the projection lamp assembly 2 is turned on, writing or painting on the copying board 4 is displayed on the desktop 14, and finally the paper 15 to be written is placed on the writing or painting on the desktop 14. However, in practice, the following adjustments of the holder 1, the projector assembly 2 and the mounting frame 3 are required after the beam lamp 11 is directed to the copy board 4:

1. height adjustment of the bracket 1: by screwing the second knob 9 so as to adjust the height of the bracket 1, the higher the bracket 1 is, the farther the projection is, i.e. the height of the bracket 1 is proportional to the projection distance. The height of the bracket 1 is adjusted after a proper distance is selected, so that the copying requirement is met.

2. Adjusting the illumination intensity and the condensation range: the intensity of the illumination is changed by the regulator 12 to adapt to the light intensity acceptance of the user. And the focal length of the beam lamp 11 is adjusted so that the spot is just irradiated on the copy board 4.

3. Size adjustment of the projected text or pattern: by screwing the third knob 10 to slide the mounting bracket 3, the distance between the mounting bracket 3 and the beam lamp 11 is changed, thereby changing the size of the projected letter or pattern. The distance between the mounting rack 3 and the light beam lamp 11 is inversely proportional to the size of the characters or patterns, and the specific adjustment references are as follows: the line frame 13 that will imitate board 4 projection and the line frame 13 coincidence on this of homework or exercise can, behind the line frame 13 coincidence, the handwriting that imitates board 4 projection just can fall in the line frame 13 of homework or exercise, accomplishes the regulation. As shown in fig. 3, since the embodiment adopts oblique projection, the writing or painting on the copy board 4 is oblique, and the oblique writing or painting can be restored to form normal writing or painting after being projected.

As shown in fig. 2, the light in this embodiment is irradiated on the upper surface of the paper 15 to be written, so that compared with the existing copying table, the disadvantage that the light is directly irradiated on the eyes is completely avoided, and the stimulation to the eyes is greatly reduced, thereby reducing the damage to the eyes. Secondly, because the writing or the painting is projected on the upper surface of the paper 15 to be written, the equipment has no requirements on the thickness and the transmittance of the paper 15 to be written, and the requirements on the paper are greatly reduced. In addition, the original tabletop 14 does not need to be modified by using the equipment, the modification cost is not generated, the equipment is simple in structure, the production and manufacturing cost is low correspondingly, the economic pressure of demanders is reduced, and the popularization in a large area is facilitated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A copy projector, characterized by: comprises a bracket, a projecting lamp assembly, a mounting rack and a transparent copying board; the bracket is provided with an installation panel inclining upwards, the projection lamp assembly and the installation frame are installed on the upper surface of the installation panel, and the projection lamp assembly is located above the installation frame in an inclined mode; transparent copy board installs in the mounting bracket, shines on copying the board through the light of projecting lamp subassembly, and then demonstrates characters or pattern on copying the board on the horizontal plane.

2. The copying projector according to claim 1, wherein: the projection lamp assembly comprises a light beam lamp and a regulator arranged on the light beam lamp and used for regulating the illumination intensity and the condensation range of the light beam lamp.

3. The copying projector according to claim 2, wherein: the beam light is connected with the mounting panel and is provided with a first knob.

4. The copying projector according to claim 3, wherein: the installation panel is provided with an installation hole, and the beam lamp is rotationally connected in the installation hole and is locked and unlocked through the first knob.

5. The copying projector according to claim 1, wherein: the support is provided with a second knob for adjusting the height.

6. The copying projector according to claim 5, wherein: the upper and lower portions of the bracket are connected in a telescopic structure and locked and unlocked by the second knob.

7. The copying projector according to claim 1, wherein: the mounting bracket is slidably connected with the mounting panel and provided with a third knob.

8. The copying projector according to claim 7, wherein: the mounting panel is provided with a sliding groove, and the mounting rack is connected to the sliding groove in a sliding mode and is locked and unlocked through the third knob.

9. The copying projector according to any one of claims 1 to 8, wherein: the mounting rack comprises a clamping rack used for clamping the copying board.

10. The copying projector according to any one of claims 1 to 8, wherein: the mounting rack comprises a transparent carrying plate for placing the copying plate.