CN216956496U - Reflector adjusting device, reflector adjusting equipment and projection equipment - Google Patents

Abstract

The application discloses speculum adjusting device, speculum adjusting equipment and projection equipment. The reflector adjusting device comprises a shell, a reflector bracket, a bracket elastic sheet and an adjusting assembly, wherein the reflector bracket is used for fixing the reflector; the support elastic sheet is arranged on the surface of the reflector support, and the reflector support is arranged on the shell through the support elastic sheet; the adjusting component is arranged on the shell and used for being abutted to the reflector bracket so as to drive the reflector to rotate through the reflector bracket. Therefore, the speculum support passes through the support shell fragment and is connected with the casing, and through adjusting part to speculum support application of force, make the speculum support rotate at the limited within range with the help of the elasticity of support shell fragment, thereby realize sensitive regulation to speculum direction position, thereby realize adjusting the light direction, and simultaneously, speculum support and adjusting part all set up on the casing, make whole speculum adjusting device's structural design compact, be favorable to the miniaturized development of product.

Description

Reflector adjusting device, reflector adjusting equipment and projection equipment

Technical Field

The application relates to the technical field of projection display, in particular to a reflector adjusting device, reflector adjusting equipment and projection equipment.

Background

At present, the application of projectors is becoming more and more extensive. Besides being used for meeting reports in general offices, projectors are often used in various special discussions or academic courses because of their audio-visual playing functions. In a laser projector, because the space in the projector body is limited, the direction of a light beam often needs to be turned and adjusted by a reflector to enter a next group of lenses, so the reflection direction of the light beam is greatly affected by the installation position of the reflector.

In a large projector type, the adjusting space of the reflector component is sufficient, the operability is strong, but in a micro projector, because the structure of the projector is compact, the adjustment of the small reflector component is difficult, and because the size of the reflector is small, the small adjustment can generate large change on the reverse position of the reflector, so that the problem of providing a fixing mechanism which can effectively solve the sensitive adjustment of the small reflector is very important.

SUMMERY OF THE UTILITY MODEL

The present application provides a mirror adjusting device, a mirror adjusting apparatus and a projection apparatus, which aims to solve the above technical problems in the prior art.

In order to solve the above problems, one technical solution adopted by the present application is to provide a mirror adjusting device, which includes a housing, a mirror bracket, a bracket spring, and an adjusting assembly, wherein the mirror bracket is used for fixing a mirror; the support elastic sheet is arranged on the surface of the reflector support, and the reflector support is arranged on the shell through the support elastic sheet; the adjusting component is arranged on the shell and used for being abutted to the reflector bracket so as to drive the reflector to rotate through the reflector bracket.

In order to solve the technical problem, another technical scheme adopted by the application is to provide a reflector adjusting device, wherein the reflector adjusting device comprises a reflector and the reflector adjusting device, and the reflector is fixed on the reflector bracket.

In order to solve the above technical problem, another technical solution adopted by the present application is to provide a projection apparatus, where the projection apparatus includes the above mirror adjusting device.

Compared with the prior art, the reflector adjusting device comprises a shell, a reflector bracket, a bracket elastic sheet and an adjusting assembly, wherein the reflector bracket is used for fixing a reflector; the support elastic sheet is arranged on the surface of the reflector support, and the reflector support is arranged on the shell through the support elastic sheet; the adjusting component is arranged on the shell and used for being abutted to the reflector bracket so as to drive the reflector to rotate through the reflector bracket. Consequently, in this way, the speculum support passes through the support shell fragment and is connected with the casing, and through adjusting part to speculum support application of force, make the speculum support rotate at the limited scope with the help of the elasticity of support shell fragment, thereby realize sensitive the regulation to speculum direction position, thereby the realization is adjusted the light direction, and simultaneously, speculum support and adjusting part all set up on the casing, make whole speculum adjusting device's structural design compact, be favorable to the miniaturized development of product.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a mirror adjustment apparatus provided in the present application;

FIG. 2 is an exploded schematic view of an embodiment of the mirror adjustment apparatus shown in FIG. 1;

FIG. 3 is a schematic structural view of one embodiment of a housing provided with an adjustment assembly as provided herein;

fig. 4 is a schematic structural diagram of an embodiment of a bracket spring provided in the present application;

fig. 5 is a schematic structural diagram of an embodiment of a mirror support provided in the present application.

Reference numerals: a mirror adjusting device 10; a housing 100; a first regulation hole 110; a second adjustment aperture 120; a second fixing hole 130; a positioning post 140; a dispensing slot 150; a mirror support 200; a first fixing hole 210; a bracket spring 300; a bracket connecting portion 310; a first connection hole 311; a housing connecting portion 320; the second connection hole 321; positioning holes 322; an adjustment assembly 400; a first adjustment screw 410; a second adjustment screw 420; a mirror 500; the screw 600 is fixed.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

The present application provides a mirror adjusting apparatus, referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of the mirror adjusting apparatus provided in the present application, and fig. 2 is an exploded schematic diagram of the embodiment of the mirror adjusting apparatus shown in fig. 1.

The reflector adjusting device 10 of the present application includes a housing 100, a reflector bracket 200, a bracket spring 300, and an adjusting assembly 400, wherein the reflector bracket 200 is used for fixing a reflector 500; the support spring 300 is arranged on the surface of the reflector support 200 facing away from the reflector 500, and the reflector support 200 is arranged on the shell 100 through the support spring 300; the adjusting assembly 400 is inserted into the housing 100, and the adjusting assembly 400 is used for abutting against the reflector bracket 200 to drive the reflector 500 to rotate through the reflector bracket 200.

Therefore, in the above manner, reflector bracket 200 is connected with casing 100 through support shell fragment 300, and to reflector bracket 200 application of force through adjusting part 400, make reflector bracket 200 rotate at the limited range with the help of the elasticity of support shell fragment 300, thereby realize sensitive regulation to reflector 500 direction position, thereby the realization is adjusted the light direction, and simultaneously, reflector bracket 200 and adjusting part 400 all set up on casing 100, make whole reflector adjusting device 10's structural design compact, be favorable to the miniaturized development of product.

The reflector holder 200 may be a polygonal body having two opposite end surfaces and a plurality of side surfaces connecting the two end surfaces, in this embodiment, the reflector 500 is disposed on one end surface of the reflector holder 200, and the holder resilient piece 300 is disposed on a surface of the reflector holder 200 facing away from the reflector 500. The size of the mirror 500 may be set according to the size of the mirror support 200, for example, the end surface area of the mirror 500 may be slightly smaller than or equal to the end surface area of the mirror support 200. The reflector 500 may be fixedly disposed on the reflector holder 200, in one embodiment, a glue groove may be formed on the surface of the reflector holder 200 for fixing the reflector 500, and the back surface of the reflector 500 is fixedly adhered to the reflector holder 200 by glue, in another embodiment, an elastic sheet may be disposed on one side of the reflector holder 200 for fixing the reflector 500, and the reflector 500 is clamped on the reflector holder 200 by the elastic sheet to achieve a fixing effect. The mirror holder 200 may be made of an aluminum alloy material, which can ensure the strength and thermal stability required by the mirror holder 200.

Referring to fig. 1 to 4, fig. 3 is a schematic structural view of an embodiment of the housing 100 provided with an adjusting assembly 400, and fig. 4 is a schematic structural view of an embodiment of the bracket spring 300.

The support spring 300 includes a support connecting portion 310 and a housing connecting portion 320, the housing connecting portion 320 is connected to the support connecting portion 310, and the housing connecting portion 320 is bent with respect to the support connecting portion 310, so that the side view of the support spring 300 is L-shaped. The bracket coupling portion 310 and the housing coupling portion 320 may have their coupling portions as rotation axes to perform a movement toward or away from each other. The support spring 300 may be made of a stainless material, which can ensure that the support spring 300 has good strength and elasticity.

The supporter connecting portion 310 is provided with a first transition hole 311, the mirror supporter 200 is provided with a first fixing hole 210, and the supporter connecting portion 310 is fixed to the mirror supporter 200 through the first connection hole 311, the first fixing hole 210, and the fixing screw 600. Wherein, first connecting hole 311 is a through hole, it can be located the intermediate position of support connecting portion 310, and first fixed orifices 210 is through hole or blind hole, and first fixed orifices 210 can be located the vertical intermediate position of speculum support 200, and first fixed orifices 210 are the screw hole to make first fixed orifices 210 can cooperate set screw 600 to be fixed in speculum support 200 with support shell fragment 300.

The housing connecting portion 320 has a positioning hole 322, the housing 100 has a positioning post 140, and the reflector holder 200 is positioned on the housing 100 through the positioning hole 322 and the positioning post 140. A step may be disposed in the housing 100, the positioning column 140 is located on the step, and the positioning column 140 may be located at a transverse middle position of the reflector bracket 200, or other positions may be provided, which may be specifically set according to actual situations. The positioning hole 322 is a through hole, and when the support spring 300 is fixedly disposed behind the mirror support 200, the support spring 300 can be positioned on the casing 100 through the positioning hole 322 and the positioning post 140, so as to achieve the purpose of positioning the casing 100 and the mirror support 200.

The housing connecting portion 320 is further provided with a second connecting hole 321, the housing 100 is provided with a second fixing hole 130, and the housing connecting portion 320 is fixed to the housing 100 through the second connecting hole 321, the second fixing hole 130 and the second fixing screw 600. The second connecting hole 321 is a through hole adjacent to the positioning hole 322 on the housing connecting portion 320, the second fixing hole 130 is a through hole or a blind hole, the second fixing hole 130 is adjacent to the positioning column 140, and the second fixing hole 130 is a threaded hole such that the second fixing hole 130 cooperates with the fixing screw 600 to fix the support spring 300 on the housing 100, thereby fixing the housing 100 and the mirror support 200.

Referring to fig. 1-5, fig. 5 is a schematic structural view of an embodiment of a mirror support 200 provided in the present application.

The mirror support 200 has a first direction and a second direction perpendicular to each other. As shown in fig. 5, the first direction may be a direction indicated by Y in the drawing, and the second direction may be a direction indicated by X in the drawing. Any part of the area enclosed between the dotted line extending in the first direction of the mirror support 200 and the nearer side line of the mirror support 200 can be regarded as the edge area of the first direction; any portion of an area enclosed between an imaginary line extending in the second direction on the mirror support 200 and a nearer side line of the mirror support 200 may be regarded as an edge area in the second direction.

The housing 100 is provided with a first adjusting hole 110 penetrating through the housing 100, and the first adjusting hole 110 exposes an edge region of the mirror bracket 200 in the first direction. The first adjustment hole 110 is a threaded through hole that communicates between a surface of the housing 100 near the mirror support 200 and a surface facing away from the mirror support 200.

The adjusting assembly 400 includes a first adjusting screw 410, the first adjusting screw 410 is disposed through the first adjusting hole 110, and the first adjusting screw 410 is configured to move in an axial direction of the first adjusting hole 110, so that an end of the first adjusting screw 410 abuts against the mirror support 200. The axial length of the first adjusting screw 410 is greater than the axial length of the first adjusting hole 110, so that when the first adjusting screw 410 is located in the first adjusting hole 110, two ends close to the mirror support 200 may partially protrude out of the first adjusting hole 110, and one end close to the mirror support 200 may contact the mirror support 200. When needs rotate speculum support 200, can act on first adjusting screw 410 and keep away from speculum support 200 one end to make first adjusting screw 410 remove along speculum place direction, and then butt speculum support 200, speculum support 200 is under the effect of the pressure that first adjusting screw 410 provided, and the axis that is located the first direction around speculum support 200 rotates, thereby realizes sensitive regulation to speculum 500 direction position, adjusts with effective ray direction.

Therefore, in the present embodiment, the speed of the first adjusting screw 410 moving in the direction of the reflector 500 can be controlled to control the rotation speed of the reflector 500, and the distance of the first adjusting screw 410 moving in the direction of the reflector 500 can be controlled to control the rotation amplitude of the reflector 500.

The housing 100 is provided with a second adjusting hole 120 penetrating the housing 100, and the second adjusting hole 120 exposes an edge region of the mirror support 200 in the second direction. The second adjustment hole 120 is a threaded through hole that communicates between a surface of the housing 100 near the mirror support 200 and a surface facing away from the mirror support 200.

The adjusting assembly 400 includes a second adjusting screw 420, the second adjusting screw 420 is disposed through the second adjusting hole 120, and the second adjusting screw 420 is configured to move in the axial direction of the second adjusting hole 120, so that the end of the second adjusting screw 420 abuts against the mirror support 200. The axial length of the second adjusting screw 420 is greater than the axial length of the second adjusting hole 120, so that when the second adjusting screw 420 is located in the second adjusting hole 120, two ends close to the mirror support 200 may partially protrude out of the second adjusting hole 120, and one end close to the mirror support 200 may contact the mirror support 200. When needs rotate speculum support 200, can act on second adjusting screw 420 and keep away from speculum support 200 one end to make second adjusting screw 420 remove along speculum place direction, and then butt speculum support 200, speculum support 200 is under the effect of the pressure that second adjusting screw 420 provided, and the axis that is located the second direction around speculum support 200 rotates, thereby realizes sensitive regulation to speculum direction position, adjusts with effective ray direction.

Further, a projection of the first adjustment screw 410 in the first direction is at least partially misaligned with a projection of the second adjustment screw 420 in the first direction. Wherein a projection of the first adjustment screw 410 in the first direction may not coincide with a projection of the second adjustment screw 420 in the first direction. Thus, the first adjustment screw 410 can be brought into contact with the edge region of the mirror holder 200 in the first direction and close to the middle thereof, and the second adjustment screw 420 can be brought into contact with the edge region of the mirror holder 200 in the second direction and close to the middle thereof. Therefore, the mirror bracket 200 can be conveniently adjusted in a left-right rotation mode through the first adjusting screw 410, and the mirror bracket 300 can be adjusted in a pitching mode through the second adjusting screw 420.

Therefore, in the present embodiment, the first and second adjusting screws 410 and 420 are used to perform the pan and tilt adjustment of the mirror 500, and the position of the mirror 500 in the direction is sensitively adjusted, so as to achieve the effective adjustment of the light direction. Meanwhile, the whole adjusting operation is realized outside the shell 100, so that the inner space of the shell 100 is not required greatly, the structural design of the shell 100 is more compact, and the miniaturization development of products is facilitated.

Referring to fig. 3, the end of the first adjustment screw 410 abutting the mirror support 200 is shaped like a hemisphere. The end of the second adjustment screw 420 abutting the mirror support 200 is shaped like a hemisphere. In the present embodiment, by setting one end of the first and second adjustment screws 410 and 420 contacting the mirror bracket 200 as a hemisphere, the first and second adjustment screws 410 and 420 act on the mirror bracket 200 through point contact, ensuring that the force direction of the mirror bracket 200 is always perpendicular to the surface of the mirror bracket 200.

Further, the housing 100 is provided with a dispensing slot 150 for injecting glue to fix the mirror support 200 and the housing 100. The casing 100 is provided with an accommodating cavity, the reflector bracket 200 is located in the accommodating cavity to reduce the volume of the reflector 500 adjusting device 10, the dispensing groove 150 can be arranged on the bottom wall of the casing 100, after the reflector 500 is adjusted to adjust the position, the reflector bracket 200 can be dispensed and fixed from the outside of the casing 100, and the possibility that the displacement of the reflector 500 is caused due to the looseness of the first adjusting screw 410 or the second adjusting screw 420 is prevented. The dispensing slots 150 may be two, two limiting posts may be disposed on the reflector bracket 200, and when the reflector bracket 200 is fixed to the casing 100, the limiting posts are located in the dispensing slots 150, and the limiting posts may limit the moving distance of the reflector bracket 200, and may be bonded to the casing 100 through the bonding limiting posts, so as to further solve the problem of fixing the reflector bracket 200.

Therefore, the utility model provides a reflector bracket 200 is connected with casing 100 through support shell fragment 300 among reflector 500 adjusting device 10, and to reflector bracket 200 application of force through adjusting part 400, make reflector bracket 200 at the certain limit internal rotation with the help of the elasticity of support shell fragment 300, thereby realize sensitive regulation to reflector 500 direction position, thereby realize adjusting the light direction, and simultaneously, reflector bracket 200 and adjusting part 400 all set up on casing 100, make whole reflector 500 adjusting device 10's structural design compact, be favorable to the miniaturized development of product.

The present application further provides a mirror adjusting apparatus comprising a mirror fixed to a mirror support 200 and the mirror adjusting device 10 of any of the above embodiments.

The present application further provides a projection apparatus, which includes the mirror adjusting apparatus 10 shown in any of the above embodiments, wherein the projection apparatus can be a cinema projector, an engineering projector, a family education machine, etc. using a DMD, an LCD, or an LCOS.

The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A mirror adjustment apparatus, comprising:

a housing;

a mirror holder for fixing the mirror;

the support elastic sheet is arranged on the surface of the reflector support, and the reflector support is arranged on the shell through the support elastic sheet;

and the adjusting assembly is arranged on the shell and is used for abutting against the reflector bracket so as to drive the reflector to rotate through the reflector bracket.

2. Mirror adjustment device according to claim 1,

the shell is provided with a first adjusting hole penetrating through the shell, and the edge area of the reflector bracket in the first direction is exposed through the first adjusting hole;

the adjusting component comprises a first adjusting screw, the first adjusting screw penetrates through the first adjusting hole, and the first adjusting screw is used for moving in the axial direction of the first adjusting hole, so that the end portion of the first adjusting screw is abutted to the reflector bracket.

3. Mirror adjustment device according to claim 2,

the shell is provided with a second adjusting hole penetrating through the shell, the second adjusting hole exposes the edge area of the reflector bracket in a second direction, and the first direction and the second direction are perpendicular to each other;

the adjusting component comprises a second adjusting screw, the second adjusting screw penetrates through the second adjusting hole, and the second adjusting screw is used for moving in the axial direction of the second adjusting hole so that the end portion of the second adjusting screw is abutted to the reflector bracket.

4. Mirror adjustment device according to claim 3,

the projection of the first adjusting screw in the first direction is at least partially misaligned with the projection of the second adjusting screw in the first direction.

5. Mirror adjustment device according to claim 3,

the first adjusting screw is connected with the end part of the reflector bracket in an abutting mode, and the second adjusting screw is connected with the end part of the reflector bracket in an abutting mode.

6. The mirror adjustment apparatus according to any one of claims 1 to 4, wherein the holder spring comprises:

the reflector bracket is provided with a first fixing hole, and the bracket connecting part is fixed on the reflector bracket through the first connecting hole, the first fixing hole and a fixing screw;

and the shell connecting part is connected with the support connecting part, the shell connecting part is bent relative to the support connecting part, the shell connecting part is provided with a second connecting hole, the shell is provided with a second fixing hole, and the shell connecting part is fixed on the shell through the second connecting hole, the second fixing hole and the fixing screw.

7. The mirror adjustment device according to claim 6,

the shell connecting portion is provided with a positioning hole, the shell is provided with a positioning column, and the reflector support is positioned on the shell through the positioning hole and the positioning column.

8. Mirror adjustment device according to claim 1,

the shell is provided with a glue dripping groove for injecting glue to fix the reflector bracket and the shell.

9. A mirror adjustment device, comprising a mirror and a mirror adjustment apparatus according to any one of claims 1 to 8, the mirror being fixed to the mirror support.

10. A projection device comprising a mirror adjustment apparatus according to any one of claims 1-8.

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