WO2016173529A1 - 投影机 - Google Patents

投影机 Download PDF

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Publication number
WO2016173529A1
WO2016173529A1 PCT/CN2016/080648 CN2016080648W WO2016173529A1 WO 2016173529 A1 WO2016173529 A1 WO 2016173529A1 CN 2016080648 W CN2016080648 W CN 2016080648W WO 2016173529 A1 WO2016173529 A1 WO 2016173529A1
Authority
WO
WIPO (PCT)
Prior art keywords
projector
mirror
lens
bracket
mounting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/080648
Other languages
English (en)
French (fr)
Inventor
吴希亮
陈永壮
邓毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Appotronics Corp Ltd
Original Assignee
Appotronics Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Appotronics Corp Ltd filed Critical Appotronics Corp Ltd
Priority to US15/569,327 priority Critical patent/US10209607B2/en
Publication of WO2016173529A1 publication Critical patent/WO2016173529A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability

Definitions

  • the utility model relates to the field of projection technology, in particular to a projector.
  • the projector With the development of society, the projector has been rapidly developed.
  • the projector projection images on the market use horizontal projection, that is, the images projected by the projector are generated along the projection direction of the lens. Thereby, it is very difficult to change the projection direction without moving the projector, which is disadvantageous to the user's experience.
  • the main object of the present invention is to provide a projector that can adjust the projection direction.
  • the present invention provides a projector,
  • the projector includes a projector body having a lens and a light reflecting assembly for adjusting a projection direction of the lens, the light reflecting assembly includes a mirror, the mirror is rotatably coupled to the projector body, and the mirror is The mirror faces the lens.
  • the retroreflective assembly further includes a first bracket, the first bracket is hinged to the projector body at a position corresponding to the lens, and the mirror is fixedly coupled to the first bracket.
  • the first bracket comprises a first mounting plate, the first mounting plate is hinged with the projector body; the first mounting plate is formed with a first mounting slot for mounting the mirror, The mirror is received in the first mounting groove.
  • the projector further includes a first lens cover for protecting the lens, the first lens cover being integrally provided with the first mounting plate.
  • a second lens cover for protecting the lens, the second lens cover being connected to the projector body;
  • the second lens cover is provided with a through hole for the light projected by the lens to pass through;
  • the light reflecting assembly further includes a second bracket, the second bracket is shaped and sized to fit the through hole, and the second bracket is hinged with the second lens cover such that the second bracket has Closing a closed state of the via hole and an open state separated from the via hole; the mirror is fixedly coupled to the second bracket.
  • the second bracket includes a second mounting plate, the second mounting plate is hinged with the second lens cover; and the second mounting plate is formed with a second mounting slot for mounting the mirror. The mirror is received in the second mounting groove.
  • the second lens cover is rotatably coupled to the projector body, and the second lens cover is configured to support the projector body when rotated relative to the projector body to a preset position.
  • the retroreflective assembly further includes a base and a third bracket hinged to the base, the mirror being fixedly coupled to the third bracket, the base being detachably coupled to the projector body.
  • the third bracket includes a third mounting plate, the third mounting plate is hinged with the base; the third mounting plate is formed with a third mounting groove for mounting the mirror, the reflective The mirror is received in the third mounting groove.
  • the outer casing of the projector body is a magnetic outer casing
  • the retroreflective assembly further includes a magnetic body corresponding to the outer casing, and the magnetic body cooperates with the outer casing to fix the base.
  • the reflective component is arranged to be rotatably connected with the projector body, and the mirror surface of the mirror is always facing the lens during the rotation, so that the mirror adjusts the angle of the mirror surface and the lens projection direction with the rotation of the reflector component, thereby
  • the imaging position of the lens projection is adjusted by the rotation of the mirror, that is, the imaging position of the lens projection is adjusted without moving the projector, thereby facilitating the user's experience.
  • FIG. 1 is a schematic structural view of a first embodiment of a projector according to the present invention.
  • FIG. 2 is a schematic view showing an exploded structure of a first embodiment of the projector of the present invention
  • Figure 3 is a schematic enlarged view of the structure at A in Figure 2;
  • FIG. 4 is a schematic structural view showing the working state of the reflective assembly of the first embodiment of the projector of the present invention
  • Figure 5 is a schematic enlarged view of the structure at B in Figure 4;
  • FIG. 6 is a schematic structural view of a second embodiment of the projector of the present invention.
  • FIG. 7 is a schematic structural view showing the working state of the reflective assembly of the second embodiment of the projector of the present invention.
  • Figure 8 is a schematic enlarged view of the structure at C in Figure 7;
  • FIG. 9 is a schematic structural view showing the working state of the reflective assembly of the third embodiment of the projector of the present invention.
  • FIG. 10 is a schematic structural view of a reflective assembly of a third embodiment of the projector of the present invention.
  • FIG. 11 is a schematic exploded view of a reflective assembly of a third embodiment of the projector of the present invention.
  • the present invention provides a projector.
  • the projector 1 includes a projector body 10 having a lens 12. And a retroreflective component 20 for adjusting the projection direction of the lens 12, the retroreflective component 20 includes a mirror 23, and the mirror 23 is rotatably coupled to the projector body 10, and the mirror 23 The mirror faces the lens 12 .
  • the projector 1 includes a projector body 10 and a reflective component 20, wherein the projector body 10 Includes housing 11 and lens 12 .
  • the outer casing 11 has a rectangular parallelepiped shape, and a mounting hole 112 for receiving the lens 12 is formed on one side of the outer casing 11, and the mounting hole 112 is provided.
  • the shape can be set according to the shape and actual needs of the lens 12, and the lens 12 is housed in the mounting hole 112.
  • Reflective component 20 and projector body 10 There are many ways to rotate the connection, such as hinge, pivot, etc., in the following embodiments, how the reflective assembly 20 is rotatably connected to the projector body 10 will be described in detail.
  • Mirror 23 for lens 12 The projected light is reflected to the position desired by the operator, that is, the image projected by the mirror 23 is reflected to a preset position, such as a ceiling.
  • Mirror 23 In order to perform the above functions, the mirror 23 During the rotation of the mirror assembly 20, the mirror surface always faces the lens 12, and the projection projected by the lens 12, that is, the lens 12 first projects the projection (light) to the mirror 23 Above, the mirror 23 reflects the projection (light) to the position desired by the user.
  • a heat dissipation hole 111 for dissipating heat of the projector 1 is disposed on the bottom, the surface, and the side wall of the casing 11, and the heat dissipation hole 111 There are many forms, such as grids.
  • a non-slip non-slip mat (not shown) is also provided at the bottom of the housing.
  • the retroreflective assembly 20 is disposed in rotational connection with the projector body 10, and the mirror 23 is rotated during rotation.
  • the mirror surface always faces the lens 12, so that the mirror 23 adjusts the angle of the mirror surface to the projection direction of the lens 12 as the light reflecting assembly 20 rotates, thereby adjusting the lens 12 by the rotation of the mirror 23.
  • the projected imaging position that is, the imaging position of the projection of the lens 12 without moving the projector 1, is advantageous for the user's experience.
  • the retroreflective assembly 20 further includes a first bracket (not labeled), the first bracket and the projector body 10
  • the mirror 23 is hinged to a position corresponding to the lens 12, and the mirror 23 is fixedly coupled to the first bracket.
  • the first bracket includes a first mounting plate 21a, a first mounting plate 21a and a projector body 10 Hinged.
  • the first mounting plate 21a is formed with a first mounting groove 211a for mounting the mirror 23, and the mirror 23 is housed in the first mounting groove 211a.
  • the first bracket includes a first mounting plate 21a for mounting the mirror 23. a first rotating shaft 22a for connecting the first mounting plate 21a and the projector body 10, and a pressing plate 24a for fixing the first rotating shaft 22a.
  • First mounting plate 21a One side is formed with a first shaft hole (not shown) through which the first rotating shaft 22a passes.
  • the first rotating shaft 22a may be integrally provided with the first mounting plate 21a.
  • First mounting plate 21a The shape and size are adapted to the shape and size of the mounting hole 112.
  • the cross-sectional shape of the mounting hole 112 is a rectangular shape, and the cross-sectional area of the mounting hole 112 is slightly larger than that of the first mounting plate 21a.
  • the area of the first mounting plate 21a can be received in the mounting hole 112, and the mounting hole 112 can be sealed.
  • the shape and size of the mirror 23 and the first mounting plate 21a The shape is adapted so that the area of the mirror 23 is slightly smaller than the area of the first mounting plate 21a.
  • a first rotating shaft 22a is formed on the projector body 10 around the mounting hole 112.
  • a groove (not shown), a portion of the first rotating shaft 22a located outside the first mounting plate 21a is received in the groove, and the pressing plate 24a is fixed to the projector body 10 to seal the opening of the groove, so that the first rotating shaft 22a can be rotated in the groove.
  • connection is set to be hinged so that the rotational connection of the first bracket is stable and reliable; by disposing the mirror 23 on the first mounting plate 21a, the installation of the mirror 23 is stable and reliable; through the groove and the pressure plate 24a
  • the arrangement makes the first mounting plate 21a stable and reliable, and the first mounting plate 21a is also very convenient to be loaded and unloaded, which is advantageous for the maintenance and replacement of the first mounting plate 21a.
  • the projector body 10 further includes a first lens cover for protecting the lens 12, in the lens 12 When not in use, the first lens cover cooperates with the mounting hole 112 to block the mounting hole 112, so that dust, water, and the like from the outside are less likely to enter the lens 12.
  • First lens cover and first mounting plate 21a The integrated arrangement, that is, the first mounting plate 21a can also realize the function of the first lens cover.
  • the first mounting plate is made by setting the shape and size of the first mounting plate 21a to be slightly smaller than the mounting hole 112. The 21a can realize the function of the first lens cover, thereby eliminating the need for the lens 12 cover, which is advantageous for controlling the manufacturing cost of the projector 1.
  • a second lens cover 13 for protecting the lens 12 and a second lens cover 13 are further included.
  • the retroreflective assembly 20 further includes a second bracket, the mirror 23 is fixedly coupled to the second bracket, and the second bracket is hinged to the second lens cover 13.
  • the second bracket comprises a second mounting board 21b, the second mounting plate 21b is hinged to the second lens cover 13; the second mounting plate 21b is formed with a second mounting groove for mounting the mirror 23, and the mirror 23 It is housed in the second mounting groove.
  • the second lens cover 13 is disposed in a waist shape along a length thereof, and the second lens cover is disposed. 13 Set on the side of the projector body 10 where the receiving hole is opened, and the second lens cover 13 has an area larger than the area size in the installation.
  • a through hole is formed in a side away from the home, the through hole is communicated with the mounting hole 112, and the second bracket and the second lens cover 13 are hinged at a position around the through hole, and the second mounting plate 21b
  • the shape and size are adapted to the shape and size of the via hole.
  • the second mounting plate 21b is slightly smaller in size than the via hole, and the second mounting plate 21b blocks the via hole so that the projector 1 is When it is not working, dust and other debris cannot enter the lens 12.
  • the second mounting plate 21b is hingedly connected to the second lens cover 13 around the via hole via the second rotating shaft 22b. In this embodiment, the projector 1 When working, the projection of the lens 12 can be projected through the via.
  • the second lens cover 13 is rotatably connected to the projector body 10, and when the second lens cover 13 is opposite to the projector body 10
  • the second lens cover 13 supports the projector body 10 when rotated to a preset position.
  • the second lens cover 13 is rotatably coupled to the projector body 10 such that the second lens cover 13 It can be rotated relative to the home, and can be used as a support for the projector 1 when the second lens cover 13 is rotated to a preset position.
  • a rotating shaft hole is disposed on both sides, and the two are connected by a rotating shaft; for example, a rotating shaft can be disposed on the projector body 10, and a track is disposed on a side of the second lens cover 13 toward the projector body 10, and the second lens cover 13 When the track moves, the rotation of the second lens cover 13 is achieved.
  • the mirror 23 can reflect the image projected by the lens 12 through the control mirror 23 and the lens 12
  • the angle between the projection directions adjusts the projection position of the image to meet the user's needs, which is beneficial to the user's experience.
  • the second lens cover 13 is rotatably connected to the projector body 10 so that the second lens cover is rotated. 13 When it is rotated to the preset position, it can support the projector 1, thus avoiding the projector 1 to additionally set the feet, thus controlling the manufacturing cost.
  • the retroreflective assembly 20 further includes a base 22c and the base 22c
  • the hinged third bracket has a mirror 23 fixedly coupled to the third bracket, and the base 22c is detachably coupled to the projector body 10.
  • the third bracket comprises a third mounting plate 21c, and the third mounting plate 21c
  • the base plate 22c is hinged with a third mounting groove for mounting the mirror 23, and the mirror 23 is received in the third mounting groove (not shown).
  • the base 22c is formed with a receiving groove shaped and sized to fit the third bracket. 221c, when the reflective assembly 20 is not working, the third bracket can be accommodated in the income slot.
  • the third bracket is superior to the third mounting plate 21c, and the third mounting plate 21c is rectangularly disposed, and the third mounting plate is The size of the 21c is slightly smaller than the area of the receiving groove 221c.
  • the base 22c is also disposed in a rectangular shape, and one end of the third mounting plate 21c and one end of the base 22c pass through the third rotating shaft 24c.
  • the third mounting plate 21c is pivotable about the third rotating shaft 24c, and the mirror 23 fixed on the third mounting plate 21c is also rotated by the rotation of the third mounting plate 21c.
  • Base 22c After being fixed to the outer casing 11 of the projector body 10, the side of the third mounting plate 21c provided with the mirror faces the mounting hole 112 such that the mirror faces the lens 12.
  • the base 22c and the projector body 10 The connection is excellent in detachable connection, and there are many ways of detachable connection, such as a screw connection, a snap connection, etc., in this embodiment, the magnetic force between the magnetic bodies 25c is used to fix the light-emitting assembly.
  • the projector body 10 The outer casing 11 is a magnetic outer casing 11, and the retroreflective assembly 20 further includes a magnetic body 25c magnetically corresponding to the outer casing 11, and the magnetic body 25c cooperates with the outer casing 11 to fix the base 22c.
  • shell 11 It can be an iron case or a magnet with 'N' magnetic pole and 'S' magnetic pole (such as magnet, magnet, etc.).
  • the magnetic body 25c is a magnet having magnetic properties, and of course, the outer casing 11 must be secured.
  • the magnetic and magnetic bodies 25c are magnetically different to ensure that they are attracted to each other.
  • the mirror 23 can be used to position the lens 12 by the arrangement of the third bracket and the base 22c.
  • the projected image is reflected out, and the projection position of the image is adjusted by controlling the angle between the mirror 23 and the projection direction of the lens 12 to meet the user's needs, which is beneficial to the user's experience; through the magnetic body 25c
  • the reflective assembly 20 is fixedly coupled to the projector body 10, so that the connection of the retroreflective assembly 20 is stable and reliable, and the loading and unloading is also very convenient, which is beneficial to the user for the reflective assembly 20 Maintenance. It is worth mentioning that the cooperation of the third mounting plate 21c and the base 22c makes the reflective assembly 20 foldable when not in use, which is very convenient.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)

Abstract

一种投影机（1），包括：具有镜头（12）的投影机本体（10），以及用于调整镜头（12）投影方向的反光组件（20）。反光组件（20）包括反光镜（23），反光组件（20）设置成与投影机本体（10）转动连接。在转动过程中，反光镜（23）的镜面始终朝向镜头（12），使得反光镜（23）随着反光组件（20）的转动而调整镜面与镜头（12）投影方向的角度，从而通过反光镜（23）的转动调节镜头（12）投影的位置，使得在不移动投影机（1）的情况下也可改变投影方向。

Description

投影机 技术领域
本 实用新型 涉及投影技术领域，尤其涉及一种投影机。
背景技术
随着社会的发展，投影机得到快速的发展，目前市场上的投影机投影的画面都采用水平投影，即投影机投影出的图像都是沿镜头投射方向生成影像。由此，使得在不移动投影机的情况下改变投影方向非常困难，不利于用户的体验。
技术解决方案
本 实用新型 的主要目的在于提供一种可调节投影方向的投影机 。
为实现上述目的，本 实用新型 提供一种投影机， 所述投影机包括具有镜头的投影机本体以及用于调整所述镜头投影方向的反光组件，所述反光组件包括反光镜，所述反光镜与所述投影机本体转动连接、且所述反光镜的镜面朝向所述镜头。
优选地，所述反光组件还包括第一支架，所述第一支架与所述投影机本体铰接于对应设置有所述镜头的位置，所述反光镜与所述第一支架固定连接。
优选地，所述第一支架包括第一安装板，所述第一安装板与所述投影机本体铰接；所述第一安装板上形成有用于安装所述反光镜的第一安装槽，所述反光镜收容于所述第一安装槽内。
优选地，所述投影机还包括用于保护所述镜头的第一镜头盖，所述第一镜头盖与所述第一安装板一体设置。
优选地，还包括用于保护所述镜头第二镜头盖，所述第二镜头盖与所述投影机本体连接；
所述第二镜头盖上开设有供所述镜头投影的光线通过的过孔；
所述反光组件还包括第二支架，所述第二支架的形状和尺寸与所述过孔适配，且所述第二支架与所述第二镜头盖铰接，以使所述第二支架具有封堵所述过孔的闭合状态、以及与所述过孔分离的打开状态；所述反光镜与所述第二支架固定连接。
优选地，所述第二支架包括第二安装板，所述第二安装板与所述第二镜头盖铰接；所述第二安装板上形成有用于安装所述反光镜的第二安装槽，所述反光镜收容于所述第二安装槽内。
优选地，所述第二镜头盖与所述投影机本体旋转连接，所述第二镜头盖用以在相对于所述投影机本体旋转至预设位置时，支撑所述投影机本体。
优选地，所述反光组件还包括底座和与该底座铰接的第三支架，所述反光镜与所述第三支架固定连接，所述底座与所述投影机本体可拆卸连接。
优选地，所述第三支架包括第三安装板，所述第三安装板与所述底座铰接；所述第三安装板上形成有用于安装所述反光镜的第三安装槽，所述反光镜收容于所述第三安装槽内。
优选地，所述投影机本体的外壳为磁性外壳，所述反光组件还包括与所述外壳磁性对应的磁性体，所述磁性体与所述外壳配合固定所述底座。
 有益效果
本实用新型，通过将反光组件设置成与投影机本体转动连接，并且在转动过程中反光镜的镜面始终朝向镜头，使得反光镜随着反光组件的转动而调整镜面与镜头投射方向的角度，从而实现通过反光镜的转动调节镜头投影的成像位置，即在不移动投影机的情况下调节镜头投影的成像位置，从而有利于用户的体验。
附图说明
图 1 为 本实用新型投影机第一实施例的结构示意图；
图 2 为本实用新型投影机第一实施例的爆炸结构示意图；
图 3 为图 2 中 A 处的放大结构示意图；
图 4 为本实用新型投影机第一实施例反光组件的工作状态结构示意图；
图 5 为图 4 中 B 处的放大结构示意图；
图 6 为 本实用新型投影机第二实施例的结构示意图；
图 7 为本实用新型投影机第二实施例反光组件的工作状态结构示意图；
图 8 为图 7 中 C 处的放大结构示意图；
图 9 为本实用新型投影机第三实施例反光组件的工作状态结构示意图；
图 10 为本实用新型投影机第三实施例反光组件的结构示意图；
图 11 为本实用新型投影机第三实施例反光组件的爆炸结构示意图。
本 实用新型 目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
 本发明的最佳实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本 实用新型 ，并不用于限定本 实用新型 。
本 实用新型 提供一种投影机 。
在本实用新型实施例中，参照图 1 至图 5 ，该投影机 1 包括具有镜头 12 的投影机本体 10 以及用于调整镜头 12 投影方向的反光组件 20 ，反光组件 20 包括反光镜 23 ，反光镜 23 与投影机本体 10 转动连接、且反光镜 23 的镜面朝向镜头 12 。
具体地，本实施例中，投影机 1 包括投影机本体 10 和反光组件 20 ，其中投影机本体 10 包括外壳 11 和镜头 12 。外壳 11 的外形呈类似扁平的长方体设置，在外壳 11 的一侧形成有用于收容镜头 12 的安装孔 112 ，安装孔 112 的形状可根据镜头 12 的形状和实际需求设置，镜头 12 收容于安装孔 112 中。反光组件 20 与投影机本体 10 转动连接的方式有很多，比如铰接，枢接等，下面的实施例中将详细介绍反光组件 20 与投影机本体 10 如何转动连接。反光镜 23 用于将镜头 12 投影出的光线反射至操作者需要的位置，即将反光镜 23 投影出来的影像反射至预设的位置，如天花板上。反光镜 23 为了起到上述的作用，反光镜 23 的镜面在随着反光组件 20 转动的过程中，其镜面始终朝向镜头 12 ，并且反射镜头 12 所投射的投影，即镜头 12 先将投影（光线）投射至反光镜 23 上，再由反光镜 23 将投影（光线）反射至用户需要的位置。
在外壳 11 的底部、表面，以及侧壁都设置用于投影机 1 散热的散热孔 111 ，散热孔 111 的形式有很多，如格栅状等。在壳体的底部还设置有防滑的防滑垫（图未示）。
本实施例中，通过将反光组件 20 设置成与投影机本体 10 转动连接，并且在转动过程中反光镜 23 的镜面始终朝向镜头 12 ，使得反光镜 23 随着反光组件 20 的转动而调整镜面与镜头 12 投射方向的角度，从而实现通过反光镜 23 的转动调节镜头 12 投影的成像位置，即在不移动投影机 1 的情况下调节 镜头 12 投影的成像位置，从而有利于用户的体验。
进一步地，在上述实施例的基础上，反光组件 20 还包括第一支架（未标示），第一支架与投影机本体 10 铰接于对应设置有镜头 12 的位置，反光镜 23 与第一支架固定连接。其中，第一支架包括第一安装板 21a ，第一安装板 21a 与投影机本体 10 铰接。第一安装板 21a 上形成有用于安装反光镜 23 的第一安装槽 211a ，反光镜 23 收容于第一安装槽 211a 内。
具体地，参照图 1 至图 5 ，本实施例中，第一支架包括用于安装反光镜 23 的第一安装板 21a 、用于连接第一安装板 21a 和投影机本体 10 的第一转轴 22a ，以及用于固定第一转轴 22a 的压板 24a 。第一安装板 21a 的一侧形成有供第一转轴 22a 穿过的第一轴孔（图未示），当然，在其它实施例中第一转轴 22a 可以和第一安装板 21a 一体设置。第一安装板 21a 的形状和尺寸与安装孔 112 的形状和尺寸适配，具体地，安装孔 112 的截面形状为类矩形，安装孔 112 的截面面积略大于第一安装板 21a 的面积，使得第一安装板 21a 可以收容于安装孔 112 中，并且可以将安装孔 112 封住。反光镜 23 的形状和尺寸与第一安装板 21a 的形状适配，反光镜 23 的面积略小于第一安装板 21a 面积。在安装孔 112 周边的投影机本体 10 上形成有用于收容第一转轴 22a 的凹槽（图未示），第一转轴 22a 位于第一安装板 21a 外面的部分收容于凹槽中，压板 24a 与投影机本体 10 固定，将凹槽的开口封住，使得第一转轴 22a 可在凹槽中转动。
本实施例中，通过将第一支架与投影机本体 10 的连接设置为铰接，使得第一支架的转动连接稳定可靠；通过将反光镜 23 设置在第一安装板 21a 上，使得反光镜 23 的安装稳定可靠；通过凹槽和压板 24a 的设置，使得第一安装板 21a 的安装稳定可靠的同时，第一安装板 21a 的装卸也非常方便，有利于第一安装板 21a 的维护和更换。
在另一实施例中，投影机本体 10 还包括用于保护镜头 12 的第一镜头盖，在镜头 12 不使用时，第一镜头盖与安装孔 112 配合，将安装孔 112 封堵，使得外界的灰尘和水等不易进入镜头 12 内。第一镜头盖与第一安装板 21a 一体设置，即第一安装板 21a 还可以实现第一镜头盖的功能。本实施例中，通过将第一安装板 21a 的形状和尺寸设置成略小于安装孔 112 ，使得第一安装板 21a 可实现第一镜头盖的功用，从而省去镜头 12 盖，有利于控制投影机 1 的制造成本。
进一步地，在上述实施例的基础上，还包括用于保护镜头 12 的第二镜头盖 13 ，第二镜头盖 13 与投影机本体 10 连接。反光组件 20 还包括第二支架，反光镜 23 与第二支架固定连接，第二支架与第二镜头盖 13 铰接。其中，第二支架包括第二安装板 21b ，第二安装板 21b 与第二镜头盖 13 铰接；第二安装板 21b 上形成有用于安装反光镜 23 的第二安装槽，反光镜 23 收容于第二安装槽内。
具体地，参照图 6 至图 8 ，本实施例中，第二镜头盖 13 沿其长度方向的截面呈腰形设置，第二镜头盖 13 设置在投影机本体 10 开设收容孔的一侧，并且，第二镜头盖 13 面积尺寸大于安装中的面积尺寸。在第二镜头盖 13 远离本土的一侧开设有过孔，该过孔与安装孔 112 连通，第二支架与第二镜头盖 13 铰接于过孔周边的位置，第二安装板 21b 的形状和尺寸与过孔的形状和尺寸适配，具体地，第二安装板 21b 的尺寸略小于过孔的尺寸，第二安装板 21b 封堵过孔，使得在投影机 1 不工作时，灰尘等杂物不能进入镜头 12 内。第二安装板 21b 通过第二转轴 22b 与过孔周边的第二镜头盖 13 铰支连接。本实施例中，投影机 1 工作时，镜头 12 的投影可通过过孔投影出。
其中，第二镜头盖 13 与投影机本体 10 旋转连接，当第二镜头盖 13 相对于投影机本体 10 旋转至预设位置时，第二镜头盖 13 支撑投影机本体 10 。具体地，第二镜头盖 13 与投影机本体 10 旋转连接，使得第二镜头盖 13 可相对于本土转动，当第二镜头盖 13 旋转到预设的位置时，可作为投影机 1 的支撑架。其中，旋转连接的方式有很多，如在第二镜头盖 13 和投影机本体 10 上都设置有转轴孔，且二者通过转轴旋转连接；又例如，可在投影机本体 10 上设置转轴，而在第二镜头盖 13 朝向投影机本体 10 的一侧设置轨道，当第二镜头盖 13 沿轨道移动时，实现第二镜头盖 13 的转动。
本实施例中，通过在第二镜头盖 13 上设置过孔，并将第二支架铰支在过孔周边的第二镜头盖 13 上，使得反光镜 23 可以将镜头 12 投影的影像反射出去，通过控制反光镜 23 与镜头 12 投影方向之间的角度，调节影像的投影位置，以满足用户的需求，有利于用户的体验；同时，通过将第二镜头盖 13 设置为与投影机本体 10 转动连接，使得第二镜头盖 13 旋转至预设位置时，可起到支撑投影机 1 的作用，从而避免了投影机 1 另外设置支脚，从而控制了制造成本。
进一步地，在上述实施例的基础上，反光组件 20 还包括底座 22c 和与该底座 22c 铰接的第三支架，反光镜 23 与第三支架固定连接，底座 22c 与投影机本体 10 可拆卸连接。其中，第三支架包括第三安装板 21c ，第三安装板 21c 与底座 22c 铰接；第三安装板 21c 上形成有用于安装反光镜 23 的第三安装槽，反光镜 23 收容于第三安装槽内（图未示）。
具体地，参照图 9 至图 11 ，本实施例中，底座 22c 上形成有形状和尺寸与第三支架适配的收容槽 221c ，反光组件 20 不工作时，第三支架可收容于该收入槽内。具体的，第三支架以第三安装板 21c 为优，第三安装板 21c 呈矩形设置，第三安装板 21c 的尺寸略小于收容槽 221c 的面积。底座 22c 也呈矩形设置，第三安装板 21c 的一端和底座 22c 的一端通过第三转轴 24c 枢接，第三安装板 21c 可绕第三转轴 24c 摆动，固设于第三安装板 21c 上的反光镜 23 也随之第三安装板 21c 的转动而转动。底座 22c 与投影机本体 10 的外壳 11 固定后，第三安装板 21c 设置有反射镜的一侧朝向安装孔 112 ，使得镜面朝向镜头 12 。
其中，底座 22c 与投影机本体 10 的连接以可拆卸连接为优，可拆卸连接的方式有很多，如螺纹连接，卡扣连接等，当本实施例中利用磁性体 25c 之间磁力来固定放光组件。具体地，投影机本体 10 的外壳 11 为磁性外壳 11 ，反光组件 20 还包括与外壳 11 磁性对应的磁性体 25c ，磁性体 25c 与外壳 11 配合固定底座 22c 。外壳 11 可以为铁质盒体，也可以为具有' N '磁极和' S '磁极的磁体（例如磁石、磁铁等）。磁性体 25c 则为具有磁性的磁体，当然，必须要保证外壳 11 的磁性和磁性体 25c 的磁性不同，保证二者能相互吸引。
本实施例中，通过第三支架和底座 22c 的设置，使得反光镜 23 可以将镜头 12 投影的影像反射出去，通过控制反光镜 23 与镜头 12 投影方向之间的角度，来调节影像的投影位置，以满足用户的需求，有利于用户的体验；通过磁性体 25c 将反光组件 20 与投影机本体 10 固定连接，使得反光组件 20 的连接稳定可靠的同时，装卸也非常方便，有利于用户对反光组件 20 的维护。值得一提的是，第三安装板 21c 与底座 22c 的配合，使得反光组件 20 在不使用时可以折叠收藏，非常方便。
以上仅 为本 实用新型 的优选实施例，并非因此限制本 实用新型 的专利范围，凡是利用本 实用新型 说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本 实用新型 的专利保护范围内。

Claims (10)

1 、 一种投影机，其特征在于，所述投影机包括具有镜头的投影机本体以及用于调整所述镜头投影方向的反光组件，所述反光组件包括反光镜，所述反光镜与所述投影机本体转动连接、且所述反光镜的镜面朝向所述镜头。
2 、如权利要求 1 所述的投影机，其特征在于，所述反光组件还包括第一支架，所述第一支架与所述投影机本体铰接于对应设置有所述镜头的位置，所述反光镜与所述第一支架固定连接。
3 、如权利要求 2 所述的投影机，其特征在于，所述第一支架包括第一安装板，所述第一安装板与所述投影机本体铰接；所述第一安装板上形成有用于安装所述反光镜的第一安装槽，所述反光镜收容于所述第一安装槽内。
4 、如权利要求 3 所述的投影机，其特征在于，还包括用于保护所述镜头的第一镜头盖，所述第一镜头盖与所述第一安装板一体设置。
5 、如权利要求 1 所述的投影机，其特征在于，还包括用于保护所述镜头的第二镜头盖，所述第二镜头盖与所述投影机本体连接；
所述第二镜头盖上开设有供所述镜头投影的光线通过的过孔；
所述反光组件还包括第二支架，所述第二支架的形状和尺寸与所述过孔适配，且所述第二支架与所述第二镜头盖铰接，以使所述第二支架具有封堵所述过孔的闭合状态、以及与所述过孔分离的打开状态；所述反光镜与所述第二支架固定连接。
6 、如权利要求 5 所述的投影机，其特征在于，所述第二支架包括第二安装板，所述第二安装板与所述第二镜头盖铰接；所述第二安装板上形成有用于安装所述反光镜的第二安装槽，所述反光镜收容于所述第二安装槽内。
7 、如权利要求 5 所述的投影机，其特征在于，所述第二镜头盖与所述投影机本体旋转连接，所述第二镜头盖用以在相对于所述投影机本体旋转至预设位置时，支撑所述投影机本体。
8 、如权利要求 1 所述的投影机，其特征在于，所述反光组件还包括底座和与该底座铰接的第三支架，所述反光镜与所述第三支架固定连接，所述底座与所述投影机本体可拆卸连接。
9 、如权利要求 8 所述的投影机，其特征在于，所述第三支架包括第三安装板，所述第三安装板与所述底座铰接；所述第三安装板上形成有用于安装所述反光镜的第三安装槽，所述反光镜收容于所述第三安装槽内。
10 、如权利要求 8 所述的投影机，其特征在于，所述投影机本体的外壳为磁性外壳，所述反光组件还包括与所述外壳磁性对应的磁性体，所述磁性体与所述外壳配合固定所述底座。
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