CN209992795U

CN209992795U - Projectable amplifying device

Info

Publication number: CN209992795U
Application number: CN201920471172.5U
Authority: CN
Inventors: 钟子琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-01-24
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a but projection amplification device, concretely relates to projection technical field, the power distribution box comprises a box body, the inside projecting apparatus that is provided with of box, the inside emitting diode that is provided with of projecting apparatus, the projecting apparatus top is provided with the casing, the inside spout that is provided with of casing, the inside slide that is provided with of spout, the inside screw rod that is provided with of slide, screw rod one end is provided with synchronous machine, the slide sets up to two, two be provided with protruding penetrating between the slide. The utility model discloses a be equipped with convex lens and slide, through starting synchronous machine for convex lens can move into directly over the light inlet, makes it enlarge the light that below projecting apparatus sent, because convex lens sets up to a plurality of, through the number of adjustment convex lens, can enlarge or reduce projected light, thereby the user of being convenient for enlargies and watches, when light shines on the curtain through level crossing reflection opening, can make formation of image clearer.

Description

Projectable amplifying device

Technical Field

The utility model relates to a projection technology field, more specifically say, the utility model relates to a but projection amplification device.

Background

A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. It can be used for profile measurement by transmitted light, and also can be used for measuring the surface shape of a blind hole and observing the surface of a part by reflected light. Projectors are now widely used in homes, offices, schools and entertainment venues.

The utility model discloses a patent application publication No. CN 203535825U's utility model discloses a computer multimedia teaching projection amplification device, a plane bottom plate has, bottom plate one end is equipped with the inclined plane speculum, the inclined plane speculum is 45 degrees with the contained angle of bottom plate, the bottom plate other end is equipped with the fixed axle sleeve of several, the axle sleeve endotheca has the movable regulating spindle, axle sleeve lateral wall threaded connection pivot, the pivot pierces through axle sleeve lateral wall and butt movable regulating spindle, the fixed seat of accepting in movable regulating spindle upper end, accept fixed projecting apparatus on the seat, the vertical fixed support frame in bottom plate middle section, a convex surface mirror is fixed to the support frame upper end, the central axis of inclined plane speculum and convex surface mirror intersect in. By adopting the technical scheme, the computer multimedia teaching is carried out in classrooms with crude conditions under the condition of not too large investment.

However, when the device is actually used, the projection is not easy to adjust when the device is used for amplifying the projection, the amplification angle is fixed and cannot be adjusted, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a but projection magnification device, the utility model discloses a be equipped with convex lens and slide, through starting synchronous machine for convex lens can move into directly over the light inlet, make it can enlarge the light that the below projecting apparatus sent, because convex lens sets up to a plurality of, through the number of adjustment convex lens, can enlarge or reduce projected light, thereby the user of being convenient for enlargies and watches, when light shines on the curtain through level crossing reflection opening, can make formation of image clearer.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can throw light on and enlarge device, the power distribution box comprises a box body, the inside projecting apparatus that is provided with of box, the inside emitting diode that is provided with of projecting apparatus, the projecting apparatus top is provided with the casing, the inside spout that is provided with of casing, the inside slide that is provided with of spout, the inside screw rod that is provided with of slide, screw rod one end is provided with synchronous machine, the slide sets up to two, two be provided with convex lens between the slide, the casing bottom is provided with into light mouthful, the casing top is provided with light-emitting window, light-emitting window top is provided with the level crossing, the box outside is provided.

In a preferred embodiment, the convex lens comprises a first convex lens, a second convex lens and a third convex lens, the second convex lens is arranged on the top of the first convex lens, the third convex lens is arranged on the top of the second convex lens, and the first convex lens, the second convex lens and the third convex lens are all fixed in the sliding groove through the sliding plate.

In a preferred embodiment, the housing is provided with fixing plates on both sides, and the light inlet is smaller in diameter than the light outlet.

In a preferred embodiment, the sliding plate is connected with the sliding chute in a sliding manner, the output shaft of the synchronous motor is in transmission connection with a screw, and a bearing is arranged at the connection position of the screw and the shell.

In a preferred embodiment, the plane mirror is at an angle of 45 ° to the housing.

In a preferred embodiment, the screw rod penetrates through a sliding plate, and the sliding plate is in threaded connection with the screw rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with convex lens and slide, through starting synchronous machine, make convex lens can move to and enter the light mouth directly over, make it can enlarge the light that the below projecting apparatus sent, because convex lens sets up to a plurality of, through the number of adjustment convex lens, can enlarge or reduce projected light, thereby be convenient for the user to enlarge and watch, when light shines on the curtain through level crossing reflection opening, can make the formation of image clearer, the device, compact structure, reasonable in design, therefore, the clothes hanger is strong in practicability, can adjust the size of formation of image according to the user's needs, easy operation is convenient;

2. the utility model discloses a be equipped with emitting diode, because the inside emitting diode that is provided with of projecting apparatus, emitting diode is energy-conserving component to can save the electric energy, the light source that emitting diode sent does not contain the infrared ray almost, thereby but the stability of greatly reduced projecting apparatus during operation makes it not need to install heat abstractor, thereby simplifies the structure, saves the cost.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a perspective view of the housing and the light outlet structure of the present invention.

The reference signs are: the projector comprises a box 1, a projector 2, a light emitting diode 3, a shell 4, a sliding chute 5, a sliding plate 6, a screw 7, a synchronous motor 8, a convex lens 9, a first convex lens 901, a second convex lens 902, a third convex lens 903, a light inlet 10, a light outlet 11, a plane mirror 12, an opening 13 and a fixing plate 14.

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.

The utility model provides a can throw light on and enlarge device as shown in fig. 1-3, the power distribution box comprises a box body 1, the inside projecting apparatus 2 that is provided with of box 1, 2 inside emitting diode 3 that are provided with of projecting apparatus, 2 tops of projecting apparatus are provided with

casing

4, 4 inside spout 5 that are provided with of casing, 5 inside slide 6 that are provided with of spout, 6 inside screw rods 7 that are provided with of slide, 7 one end of screw rod is provided with synchronous machine 8, slide 6 sets up to two, two be provided with convex lens 9 between the

slide

6, 4 bottoms of casing are provided with

light inlet

10, 4 tops of casing are provided with light-emitting window 11, light-emitting window 11 tops are provided with level crossing 12, 1 outside of box is provided with opening 13.

Further, convex lens 9 is including first convex lens 901, second convex lens 902 and third convex lens 903, first convex lens 901 top is provided with second convex lens 902, second convex lens 902 top is provided with third convex lens 903, first convex lens 901, second convex lens 902 and third convex lens 903 all fix in spout 5 through slide 6, can adjust the size of formation of image as required by the user, and easy operation is convenient.

Further, fixing plates 14 are arranged on two sides of the shell 4, and the diameter of the light inlet 10 is smaller than that of the light outlet 11.

Further, the sliding plate 6 is in sliding connection with the sliding groove 5, an output shaft of the synchronous motor 8 is in transmission connection with the screw 7, and a bearing is arranged at the joint of the screw 7 and the shell 4.

Furthermore, the included angle between the plane mirror 12 and the box body 1 is 45 degrees, so that light rays can be conveniently refracted.

Further, the screw 7 penetrates through the sliding plate 6, and the sliding plate 6 is in threaded connection with the screw 7.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 of the specification, by starting the synchronous motor 8, the output shaft of the synchronous motor 8 can drive the screw 7 to rotate, the screw 7 can drive the sliding plate 6 to slide in the sliding groove 5 when rotating, the first convex lens 901 fixed on the sliding plate 6 can move along with the sliding plate 6, so that the first convex lens 901 will move right above the light inlet 10, so that it can amplify the light emitted from the projector 2 below, since the first convex lens 901, the second convex lens 902 and the third convex lens 903 are all fixed in the chute 5 by the slide plate 6, by starting the synchronous motor 8, the second convex lens 902 can be moved right above so that it can magnify the light magnified by the first convex lens 901 again, the third convex lens 903 can be used for the same purpose, therefore, the user can conveniently watch the screen in an enlarged mode, and when light is reflected out of the opening 13 through the plane mirror 12 and shines on the screen, the image is clearer;

referring to the attached figure 1 of the specification, because the light emitting diode 3 is arranged in the projector 2, the light emitting diode 3 is an energy-saving element, so that the electric energy can be saved, and the light source emitted by the light emitting diode 3 almost does not contain infrared rays, so that the stability of the projector 2 during working can be greatly reduced, and a heat dissipation device is not required to be installed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a but projection amplification device, includes box (1), its characterized in that: the utility model discloses a light projector, including box (1), inside projecting apparatus (2) that is provided with of projecting apparatus (2), projecting apparatus (2) top is provided with casing (4), casing (4) inside is provided with spout (5), spout (5) inside is provided with slide (6), slide (6) inside is provided with screw rod (7), screw rod (7) one end is provided with synchronous machine (8), slide (6) set up to two, two be provided with convex lens (9) between slide (6), casing (4) bottom is provided with light inlet (10), casing (4) top is provided with light-emitting window (11), light-emitting window (11) top is provided with level crossing (12), box (1) outside is provided with opening (13).

2. A projectable magnification device as defined in claim 1, wherein: convex lens (9) are including first convex lens (901), second convex lens (902) and third convex lens (903), first convex lens (901) top is provided with second convex lens (902), second convex lens (902) top is provided with third convex lens (903), first convex lens (901), second convex lens (902) and third convex lens (903) are all fixed in spout (5) through slide (6).

3. A projectable magnification device as defined in claim 1, wherein: the light source is characterized in that fixing plates (14) are arranged on two sides of the shell (4), and the diameter of the light inlet (10) is smaller than that of the light outlet (11).

4. A projectable magnification device as defined in claim 1, wherein: the sliding plate (6) is in sliding connection with the sliding groove (5), an output shaft of the synchronous motor (8) is in transmission connection with the screw rod (7), and a bearing is arranged at the joint of the screw rod (7) and the shell (4).

5. A projectable magnification device as defined in claim 1, wherein: the included angle between the plane mirror (12) and the box body (1) is 45 degrees.

6. A projectable magnification device as defined in claim 1, wherein: the screw rod (7) penetrates through the sliding plate (6), and the sliding plate (6) is in threaded connection with the screw rod (7).