CN205721043U - Protective cover assembly and scialyscope - Google Patents

Abstract

This utility model provides a kind of protective cover assembly and scialyscope.Protective cover assembly of the present utility model; it is applied on scialyscope; including upper cover plate, Transparent Parts and fixed mount; described upper cover plate lid is located in the camera aperture of described scialyscope; described upper cover plate is offered in the beam projecting region of corresponding described camera aperture and is equipped with light hole; described Transparent Parts is arranged in described light hole, and described fixed mount is arranged on inside described upper cover plate, so that described edge of transparent is folded between described upper cover plate and described fixed mount.This utility model is it can be avoided that the optics at projector lens hole is infected with environmental contaminants, it is ensured that projected picture quality.

Description

Protective cover assembly and scialyscope

Technical field

This utility model relates to projection arrangement field, particularly relates to a kind of protective cover assembly and scialyscope.

Background technology

Along with science and technology and economic development, scialyscope be more and more applied to people work and life etc. each Among field.

At present, conventional scialyscope is generally of case body, and is internally provided with various optic at case body Part, such as LASER Light Source, camera lens and curved reflector etc..Concrete, after LASER Light Source emits beam, camera lens it is focused into Picture, is exposed on curved reflector by the light of camera lens side outgoing, and is projected to metope or projection screen etc. by curved reflector On imaging surface, to form projection picture.In order to enable light to project to imaging surface, on case body, corresponding curved surface is anti- The position penetrating mirror is generally individually provided with camera aperture, makes the opticses such as curved reflector expose from camera aperture, and carries out light Outgoing.

But, owing to the opticses such as curved reflector are exposed outside, its lens surface can be infected with the pollutant in the external world, and Laser projection is generally ultrashort out-of-focus projection, thus the pollutant of lens surface contamination to form area on projected picture bigger Speckle, the quality of projected picture is affected greatly.

Utility model content

This utility model provides a kind of protective cover assembly and scialyscope, it is possible to avoid the optics at projector lens hole Contamination environmental contaminants, it is ensured that projected picture quality.

First aspect, this utility model provides a kind of protective cover assembly, is applied on scialyscope, including upper cover plate, transparent Part and fixed mount, upper cover plate lid is located in the camera aperture of scialyscope, and upper cover plate is offered in the beam projecting region of corresponding camera aperture Being equipped with light hole, Transparent Parts is arranged in light hole, and fixed mount is arranged on inside upper cover plate, so that edge of transparent is folded in Between upper cover plate and fixed mount.

Optionally, Transparent Parts is flat glass eyeglass.

Optionally, fixed mount is a framework, and the inner edge of framework is enclosed and is located at outside light hole edge.

Optionally, fixed mount offering fixing hole, fixed mount is fixed on by the securing member being located in fixing hole Inside cover plate.

Optionally, the quantity of fixing hole is at least two, and fixing hole is intervally arranged on fixed mount.

Optionally, fixed mount is provided with Access Division, inside upper cover plate, is provided with the buckling groove mated with Access Division, fixing Frame is fastened on inside upper cover plate by buckling groove.

Optionally, the inner side of upper cover plate is provided with locating slot, and the shape of locating slot matches with the profile of Transparent Parts.

Optionally, fluid sealant or sealing gasket it are provided with between upper cover plate and edge of transparent.

Optionally, it is connected by threaded fastener between upper cover plate with scialyscope.

Second aspect, this utility model also provides for a kind of scialyscope, anti-including shell and the curved surface being arranged on enclosure Penetrate mirror assembly, shell offers corresponding with the position of camber reflection mirror assembly, for the camera aperture of projects images, throw in addition Shadow machine also includes protective cover assembly as above, and protective cover assembly is arranged in camera aperture.

Protective cover assembly of the present utility model is applied on scialyscope, and protective cover assembly includes upper cover plate, Transparent Parts And fixed mount, upper cover plate lid is located in the camera aperture of scialyscope, and upper cover plate offers in the beam projecting region of corresponding camera aperture Light hole, Transparent Parts is arranged in light hole, and fixed mount is arranged on inside upper cover plate, so that edge of transparent is folded in upper cover Between plate and fixed mount.The most both the optics within the camera aperture of scialyscope can be protected, it is to avoid dust and other On pollutant contamination optics in camera aperture, it is ensured that the projected picture quality of scialyscope, do not interfere with throwing simultaneously The normal work of shadow machine.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is Embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the protective cover assembly that this utility model embodiment one provides；

Fig. 2 is the exploded perspective view of the protective cover assembly that this utility model embodiment one provides；

Fig. 3 is the protective cover assembly of this utility model embodiment one offer scheme of installation on scialyscope；

Fig. 4 is the structural representation of the scialyscope that this utility model embodiment two provides.

Description of reference numerals:

1 upper cover plate；

2 Transparent Parts；

3 fixed mounts；

11 light holes；

12 screwed holes；

13 locating slots；

31 fixing holes:

100 protective cover assemblies；

200,300 scialyscope；

201,301 camera aperture；

302 shells.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Based on the enforcement in this utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into The scope of this utility model protection.

Scialyscope is a kind of conventional display device.Its ultimate principle is after receiving image or video signal, by image Or video amplifies through optical lens and projects to projection screen or metope.Wherein, because laser have monochromaticity good, side Tropism is strong and brightness relatively advantages of higher, so scialyscope internal generally employing LASER Light Source is as principal light source, and at scialyscope It is internally provided with the optics such as camera lens and curved reflector.In order to allow light produced by scialyscope can normally outgoing, throw Camera aperture is offered on housing outside shadow machine.The position of emergent ray and model in the size and location of camera aperture and optics Enclose and match, thus emergent ray normally can be projected on the imaging surface such as projection screen or metope by camera aperture. And in order to avoid the pollutant such as extraneous dust enter inside scialyscope from camera aperture, and it is infected with in optic such as curved reflectors The lens surface of part, needs to utilize protective cover to protect the opticses such as curved reflector, does not disturb scialyscope simultaneously Normal projection's imaging.

Fig. 1 is the structural representation of the protective cover assembly that this utility model embodiment one provides.Fig. 2 is that this utility model is real Execute the exploded perspective view of the protective cover assembly that example one provides.Fig. 3 is that the protective cover assembly that this utility model embodiment one provides exists Scheme of installation on scialyscope.As shown in Figure 1, Figure 2 and Figure 3, the protective cover assembly 100 that the present embodiment provides is applied to projection On machine 200, protective cover assembly 100 includes upper cover plate 1, Transparent Parts 2 and fixed mount 3, and upper cover plate 1 lid is located at scialyscope 200 In camera aperture 201, upper cover plate 1 offers light hole 11 in the beam projecting region of corresponding camera aperture 201, and Transparent Parts 2 is arranged on In light hole 11, fixed mount 3 is arranged on inside upper cover plate 1 so that Transparent Parts 2 edge be folded in upper cover plate 1 and fixed mount 3 it Between.

Concrete, the upper cover plate 1 of protective cover assembly 100 covers in the camera aperture 201 of scialyscope 200, so can directly keep away Dust or other pollutant of exempting from the external world fall on the optics of scialyscope 200 from camera aperture 201, meanwhile, and upper cover plate 1 and throwing The shell of shadow machine 200 defines the cavity of closing jointly, enhances overall appearance degree and the structural strength of scialyscope 200, and can So that the opticses 202 such as the camera lens within scialyscope 200 and curved reflector are isolated with the external world.

The normal outgoing of light in order to enable optics 202 to send, at the light of corresponding camera aperture 201 on upper cover plate 1 Line exit area offers light hole 11, and the size of light hole 11 should be greater than the beam projecting region of camera aperture 201, with avoid because of The emergent ray of scialyscope 200 is capped plate 1 and blocks, and the incomplete phenomenon of projected picture occurs.It is provided with in light hole 11 Transparent Parts 2.Because Transparent Parts 2 is made for water white material, so scialyscope is from the light-transmissive of camera aperture 201 outgoing Transparent Parts 2 outgoing, and form image in projection surface, such protective cover assembly 100 ensure that the normal projection of scialyscope 200 Imaging, thus can be arranged on all the time in camera aperture 201 without taking off, with the optics at the camera aperture 201 to scialyscope 200 Parts 202 are protected, it is to avoid operationally, internal optics is infected with outside contamination because being exposed to outer to scialyscope 200 Thing.

In order to Transparent Parts 2 be fixed in light hole 11, protective cover assembly 100 also includes fixed mount 3, and fixed mount 3 sets Putting inside upper cover plate 1, the edge of Transparent Parts 2 is folded between the inner side of fixed mount 3 and upper cover plate 1, and in Transparent Parts 2 Between position for transmitted ray.Fixed mount 3 can be fixed on upper cover plate 1, to ensure to fix the location of Transparent Parts 2, prevents Transparent Parts 2 comes off from upper cover plate 1.

As one preferred embodiment, Transparent Parts 2 can be flat glass eyeglass.Because the surface of flat lens is equal For smooth flat, the light through Transparent Parts 2 will not be produced refraction, it is to avoid distortion, distortion or distortion occurs in projected picture Phenomenon.Glass has good light transmission, and can improve the optics of Transparent Parts 2 by selecting variety classes and the glass of composition Performance and translucent effect, it is ensured that the imaging image quality of scialyscope.Additionally, the material of Transparent Parts 2 can also be transparent polymethyl Acid methyl ester (being called for short PMMA) etc., to reach the balance between optical property and manufacturing cost.

Additionally, it is optional, in order to strengthen the translucent effect of Transparent Parts 2 further, it is to avoid Transparent Parts 2 surface is because of light line reflection Or refraction and have influence on the imaging picture of scialyscope, on the surface of Transparent Parts 2 and optical film, such as multilamellar anti-reflection can be coated with Penetrate film etc..

In order to ensure light projection, the Transparent Parts 2 usually simple transparent thin board of block structure or a transparent block.And Transparent Parts 2 is generally made up of optical glass or other frangible material, is difficult to be processed.Now, in order to Transparent Parts 2 is fixed In the inner side of upper cover plate 1, need by the connection between fixed mount 3 and upper cover plate 1, make Transparent Parts 2 obtain location with fixing.Tool Body, fixed mount 3 can be a framework, and the inner edge of framework is enclosed and is located at outside light hole 11 edge.

Because fixed mount 3 is frame structure, the light sent at the camera aperture 201 of scialyscope 200 all can pass through The hollow region that framework central authorities are formed passes.The physical dimension of Transparent Parts 2 should be greater than framework inner edge, and such framework can be with upper cover The edge of Transparent Parts 2 is clamped by plate 1 together, to avoid Transparent Parts 2 displacement occur or drop.Additionally, the inner edge of framework should be enclosed Being located at outside the edge of light hole 11, so, fixed mount 3 is all hidden in the range of upper cover body 1, the body construction of fixed mount 3 Light can't be caused and block.

In order to realize the connection between fixed mount 3 and upper cover plate 1, can be by being spirally connected or the mode such as clamping, will be fixing Frame 3 is fixed on upper cover plate 1.Such as, can offer fixing hole 31 on fixed mount 3, fixed mount 3 is by being located in fixing hole 31 In securing member be fixed on inside upper cover plate 1.Generally for realizing removably connecting, securing member is generally threaded fastener, this Time, inside upper cover plate 1, on corresponding fixed mount 3, the position of fixing hole 31 is further opened with screwed hole 12, and threaded fastener can wear Cross the fixing hole 31 of fixed mount 3, and screw in the screwed hole 12 inside upper cover plate 1, and fixed mount 3 and upper cover plate 1 are fixed Link together.It is fixed by threaded fastener between fixed mount 3 and upper cover plate 1, is possible not only to realization and removably connects, In addition the spacing between fixed mount 3 and upper cover plate 1 can also be controlled by the tightness that screws of screw thread, thus to Transparent Parts 2 There is different clamping degrees, or the Transparent Parts that thickness is different can be changed.

In order to ensure the reliable location of Transparent Parts 2, and avoid Transparent Parts 2 abnormal by producing during fixed mount 3 clamping pressure Deformation, fixed mount 3 needs to ensure the producing balanced forces to Transparent Parts 2 in all directions.Now, can arrange on fixed mount 3 to Two fixing holes, and these fixing holes less are all disposed on fixed mount 3.Such as in the present embodiment, fixing hole 31 has four Individual, and four fixing holes are spaced each other, and be symmetricly set on four different directions of fixed mount 3, thus these sides Upwards ensure fixed mount 3 being fixed Transparent Parts 2, and avoid Transparent Parts 2 to be excessively stressed in one direction.

In addition it is also possible to the connection between realizing by the way of clamping inside fixed mount 3 and upper cover plate 1.Now, fixing Can be provided with Access Division on frame 3, be provided with the buckling groove mated with Access Division inside upper cover plate 1, fixed mount 3 can be by card Access slot is fastened on inside upper cover plate 1.Concrete, when carrying out the assembling of protective cover assembly 100, can first Transparent Parts 2 be loaded logical In unthreaded hole 11, and the Access Division of fixed mount 3 is snapped in buckling groove, thus fixed mount 3 is arranged on inside upper cover plate 1, and transparent Between the edge of part 2 is folded in inside fixed mount 3 and upper cover plate 1.In addition it is also possible to arrange buckling groove on fixed mount 3, and There is inside upper cover plate 1 Access Division suitable with this buckling groove, or be respectively provided with on fixed mount 3 and upper cover plate 1 can be mutual The clamping part of clamping, and other conventional snap fit etc., be not limited thereto herein.

Additionally, as a kind of optional embodiment, in order to ensure upper cover plate 1 and the fixed mount 3 location to Transparent Parts 2, Can be provided with locating slot 13 in the inner side of upper cover plate 1, the shape of locating slot 13 matches with the profile of Transparent Parts 2, thus can Avoid between Transparent Parts 2 with upper cover plate 1, producing relative slip.In addition it is also possible to determine by arranging stopper section on upper cover plate 1 Position Transparent Parts 2.

In order to avoid dust or comparatively fine impurity particle are along the gap entrance between upper cover plate 1 and Transparent Parts 2 The inside of scialyscope 200, pollutes the optics 202 of scialyscope 200, arranges between upper cover plate 1 and Transparent Parts 2 edge There are fluid sealant or sealing gasket (not shown).Fluid sealant and sealing gasket can close the seam between upper cover plate 1 and Transparent Parts 2 Gap, it is to avoid the entrance of dust.Sealing gasket can be the common used materials such as sealing foam.

And be connected with the installation between scialyscope 200 to realize protective cover assembly 100 entirety, in upper cover plate 1 and projection Can be connected by threaded fastener between machine 200.Wherein, at camera aperture 201 periphery and the edge of upper cover plate 1 of scialyscope 200 Position can offer multiple installation screwed hole position, and by being arranged on these threaded fasteners installing in screwed hole position by protection Shade assembly 100 and scialyscope 200 link together.

In the present embodiment, protective cover assembly is applied on scialyscope, and protective cover assembly include upper cover plate, Transparent Parts and Fixed mount, upper cover plate lid is located in the camera aperture of scialyscope, and upper cover plate offers logical in the beam projecting region of corresponding camera aperture Unthreaded hole, Transparent Parts is arranged in light hole, and fixed mount is arranged on inside upper cover plate, so that edge of transparent is folded in upper cover plate And between fixed mount.The most both the optics within the camera aperture of scialyscope can be protected, it is to avoid dust and other dirt On dye thing contamination optics in camera aperture, it is ensured that the projected picture quality of scialyscope, do not interfere with projection simultaneously The normal work of machine.

Further, this utility model also provides for a kind of scialyscope, and Fig. 4 is the projection that this utility model embodiment two provides The structural representation of machine.As shown in Figure 4, this scialyscope 300 includes the shell 302 for carrying out protecting and is arranged on shell The opticses such as the camber reflection mirror assembly within 302.Projector shell 302 offers and the position of camber reflection mirror assembly Putting correspondence, for the camera aperture 301 of projects images, scialyscope 300 also includes the protection as described in previous embodiment one in addition Shade assembly 100, protective cover assembly 100 is arranged in camera aperture 301.Wherein, concrete structure and the function of protective cover assembly 100 are equal Being described in detail in previous embodiment one, here is omitted.

Scialyscope is by setting up protective cover assembly in camera aperture, on the one hand, the camber reflection mirror assembly etc. in camera aperture Optics is protected, and will not be affected by environmental contaminants such as dusts, thus ensure that the one-tenth picture element of projected picture Amount；On the other hand, the light of scialyscope inside outgoing will not be caused stop by protective cover assembly, and scialyscope can be effectively ensured Normal projection uses.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims (10)

1. a protective cover assembly, is applied on scialyscope, it is characterised in that include upper cover plate, Transparent Parts and fixed mount, described Upper cover plate lid is located in the camera aperture of described scialyscope, and described upper cover plate is offered in the beam projecting region of corresponding described camera aperture Being equipped with light hole, described Transparent Parts is arranged in described light hole, and described fixed mount is arranged on inside described upper cover plate, so that institute State edge of transparent to be folded between described upper cover plate and described fixed mount.

Protective cover assembly the most according to claim 1, it is characterised in that described Transparent Parts is flat glass eyeglass.

Protective cover assembly the most according to claim 2, it is characterised in that described fixed mount is a framework, described framework Inner edge is enclosed and is located at outside described light hole edge.

4. according to the protective cover assembly described in any one of claim 1-3, it is characterised in that offer fixing on described fixed mount Hole, described fixed mount is fixed on inside described upper cover plate by the securing member being located in described fixing hole.

Protective cover assembly the most according to claim 4, it is characterised in that the quantity of described fixing hole is at least two, and Described fixing hole is intervally arranged on described fixed mount.

6. according to the protective cover assembly described in any one of claim 1-3, it is characterised in that be provided with clamping on described fixed mount Portion, is provided with the buckling groove mated with described Access Division inside described upper cover plate, described fixed mount is set by described buckling groove card Inside described upper cover plate.

7. according to the protective cover assembly described in any one of claim 1-3, it is characterised in that the inner side of described upper cover plate is provided with Locating slot, the shape of described locating slot matches with the profile of described Transparent Parts.

8. according to the protective cover assembly described in any one of claim 1-3, it is characterised in that described upper cover plate and described Transparent Parts Fluid sealant or sealing gasket it is provided with between edge.

9. according to the protective cover assembly described in any one of claim 1-3, it is characterised in that described upper cover plate and described scialyscope Between connected by threaded fastener.

10. a scialyscope, including shell and the camber reflection mirror assembly being arranged on described enclosure, described shell is offered Have corresponding with the position of described camber reflection mirror assembly, for the camera aperture of projects images, it is characterised in that also include such as power Profit requires that the protective cover assembly described in any one of 1-9, described protective cover assembly are arranged in described camera aperture.