Patent Application
20200200991
This application claims the priority benefit of China application serial no. 201811552034.6, filed on Dec. 19, 2018. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.
The invention relates to a fixing structure and a projector, in particular, to an optical component fixing structure and a projector with this optical component fixing structure.
A projector is displaying equipment configured to generate an image. An imaging principle of the projector is to convert an illuminating beam generated by a light source into an image beam through a light valve and then project the image beam to a projection curtain or a wall through a projecting lens to form an image. Along with progress of projecting technology and reduction of manufacturing cost, the use of projectors has been gradually extended from commercial purposes to family uses.
There are too many assembling steps and parts involved in an existing assembling manner for assembling an existing lens in a projector, which brings excessively high time consumption and cost in assembling of the lens and makes the whole assembling process too complicated and unfavorable for introduction of automated production.
The information disclosed in this Background section is only for enhancement of understanding of the background of the described technology and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art. Further, the information disclosed in the Background section does not mean that one or more problems to be resolved by one or more embodiments of the invention were acknowledged by a person of ordinary skill in the art.
The invention provides an optical component fixing structure and a projector with the same, which may reduce assembling parts and steps, thereby simplifying an assembling process, facilitating reduction of assembling time and achieving favorability for introduction of automated production.
Other objectives and advantages of the invention may be further understood from the technical features disclosed in the invention.
In order to achieve one, some, or all of the aforementioned objectives or other objectives, an embodiment of the invention discloses an optical component fixing structure, which includes a bearer and at least two or more clamping pieces. The bearer has an accommodating opening, at least two or more sliding trenches and at least two protuberances. The protuberance is disposed in the sliding trench. The sliding trench has a thickness and a first width. Each of the clamping pieces has two sidewalls, a vertical wall connected between the two sidewalls and a retaining hole formed in the sidewall. A distance between the two sidewalls is matched with the thickness of the sliding trench and second widths of the two sidewalls are correspondingly matched with the first width of the sliding trench. After the clamping piece is moved into the sliding trench, the protuberance is engaged with the retaining hole and at least one of the two sidewalls covers portion of the accommodating opening.
In order to achieve one, some, or all of the aforementioned objectives or other objectives, an embodiment of the invention discloses a projector, which includes a body, a light source system, an optical component fixing structure, a light valve and a projecting lens being accommodated and fixed in the body. The light source system provides a beam. The light valve converts the beam into an image beam. The projecting lens projects the image beam. The optical component fixing structure includes a bearer and at least two or more clamping pieces. The bearer has an accommodating opening, at least two or more sliding trenches and at least two or more protuberances. The protuberance is disposed in the sliding trench and the sliding trench has a thickness and a first width. Each of the clamping pieces has two sidewalls, a vertical wall connected between the two sidewalls and a retaining hole formed in the sidewall. A distance between the two sidewalls is matched with the thickness of the sliding trench and second widths of the two sidewalls are matched with the first width of the sliding trench. After the clamping piece is moved into the sliding trench, the protuberance is engaged with the retaining hole and at least one of the two sidewalls covers portion of the accommodating opening.
Based on the foregoing, the embodiments of the invention have at least one of the following advantages or effects. In the optical component fixing structure and the projector of the invention, the protuberance is disposed in the sliding trench. The sliding trench has the thickness and the first width. Each of the clamping pieces has the two sidewalls, the vertical wall connected between the two sidewalls and the retaining hole formed in the sidewall. The distance between the two sidewalls is matched with the thickness of the sliding trench and the second widths of the two sidewalls are correspondingly matched with the first width of the sliding trench. Accordingly, after the clamping piece is moved into the sliding trench, the protuberance is engaged with the retaining hole and at least one of the two sidewalls covers portion of the accommodating opening. The clamping pieces may be moved into the sliding trenches to be fixedly located on the bearer, and any object in the accommodating opening may also be positioned. In such a manner, assembling parts and steps may be reduced, thereby simplifying an assembling process, facilitating reduction in assembling time and achieving favorability for automatic guiding-in.
Other objectives, features and advantages of the invention will be further understood from the further technological features disclosed by the embodiments of the invention wherein there are shown and described preferred embodiments of this invention, simply by way of illustration of modes best suited to carry out the invention.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings which form a part hereof, and in which are shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terminology, such as “top,” “bottom,” “front,” “back,” etc., is used with reference to the orientation of the Figure(s) being described. The components of the invention can be positioned in a number of different orientations. As such, the directional terminology is used for purposes of illustration and is in no way limiting. On the other hand, the drawings are only schematic and the sizes of components may be exaggerated for clarity. It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the invention. Also, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless limited otherwise, the terms “connected,” “coupled,” and “mounted” and variations thereof herein are used broadly and encompass direct and indirect connections, couplings, and mountings. Similarly, the terms “facing,” “faces” and variations thereof herein are used broadly and encompass direct and indirect facing, and “adjacent to” and variations thereof herein are used broadly and encompass directly and indirectly “adjacent to”. Therefore, the description of “A” component facing “B” component herein may contain the situations that “A” component directly faces “B” component or one or more additional components are between “A” component and “B” component. Also, the description of “A” component “adjacent to” “B” component herein may contain the situations that “A” component is directly “adjacent to” “B” component or one or more additional components are between “A” component and “B” component. Accordingly, the drawings and descriptions will be regarded as illustrative in nature and not as restrictive.
In the present embodiment, the numbers of the clamping pieces 120, the sliding trenches 112 and the protuberances 113 are, but not limited to, two. In other embodiments, the numbers of the clamping pieces 120, the sliding trenches 112 and the protuberances 113 may also be two or more than. As shown in
In addition, in the present embodiment, the protuberance 113 corresponds to the sidewall 122B. In other embodiments, the protuberance 113 may also correspond to the sidewall 122A, or the sidewall 122A and the sidewall 122B correspond to the protuberance 113 and another protuberance (not shown in the figures) respectively.
In the present embodiment, the protuberance 113 has a guide bevel 113a. The guide bevel 113a has a first side S1 and a second side S2 opposite to each other. The first side S1 is close to the accommodating opening 111 and the second side S2 is far away from the accommodating opening 111. A first height H1 of the first side S1 of the guide bevel 113a is larger than a second height H2 of the second side S2 of the guide bevel 113a, and the second height H2 is larger than 0. In other embodiments, the second height H2 of the second side S2 may be 0. Accordingly, in a process that the clamping piece 120 slides into the sliding trench 112, the sidewall 122B may move along the guide bevel 113a. As shown in
In the present embodiment, the optical component fixing structure 100 further includes a lens 130. The lens 130 is placed in the accommodating opening 111 and the lens 130 is located on a transmission path of the beam L1.
Referring to
In other embodiments, the bearer 110 may also not have the carrying portion 114 and the clamping piece 120 may be provided with two pressing portions located at tail ends of the two sidewalls 122A and 122B respectively (not shown in the figures).
In the present embodiment, with adoption of the design that the bending portion 122A2, the connecting portion 122A3 and the extending portion 122A4 are mutually connected in the bending manner, a clamping force during clamping of the clamping piece 120 at the bearer may be improved and improvement in reliability of fixing the lens 130 by the clamping piece 120 is facilitated. It is to be understood that the bending connection design of the bending portion 122A2, the connecting portion 122A3 and the extending portion 122A4 may be changed and regulated according to a requirement of the user on the clamping force.
As shown in
Based on the foregoing, the embodiments of the invention have at least one of the following advantages or effects. In the optical component fixing structure and the projector of the invention, the optical component fixing structure includes the bearer and the at least two or more clamping pieces. The bearer has the accommodating opening, the at least two or more sliding trenches and the at least two or more protuberances. The protuberance is disposed in the sliding trench. The sliding trench has the thickness and the first width. Each of the clamping pieces has the two sidewalls, the vertical wall connected between the two sidewalls and the retaining hole formed in the sidewall. The distance between the two sidewalls is matched with the thickness of the sliding trench and the second widths of the two sidewalls are correspondingly matched with the first width of the sliding trench. Accordingly, after the clamping piece is moved into the sliding trench, the protuberance is engaged with the retaining hole and at least one of the two sidewalls covers portion of the accommodating opening. The clamping pieces may be simply moved into the sliding trenches to fixedly position any object in the accommodating opening. In such a manner, assembling steps may be reduced, thereby simplifying an assembling process, facilitating reduction in assembling time and achieving favorability for automatic guiding-in.
The foregoing description of the preferred embodiments of the invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form or to exemplary embodiments disclosed. Accordingly, the foregoing description should be regarded as illustrative rather than restrictive. Obviously, many modifications and variations will be apparent to practitioners skilled in this art. The embodiments are chosen and described in order to best explain the principles of the invention and its best mode practical application, thereby to enable persons skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use or implementation contemplated. It is intended that the scope of the invention be defined by the claims appended hereto and their equivalents in which all terms are meant in their broadest reasonable sense unless otherwise indicated. Therefore, the term “the invention”, “the present invention” or the like does not necessarily limit the claim scope to a specific embodiment, and the reference to particularly preferred exemplary embodiments of the invention does not imply a limitation on the invention, and no such limitation is to be inferred. The invention is limited only by the spirit and scope of the appended claims. Moreover, these claims may refer to use “first”, “second”, etc. following with noun or element. Such terms should be understood as a nomenclature and should not be construed as giving the limitation on the number of the elements modified by such nomenclature unless specific number has been given. The abstract of the disclosure is provided to comply with the rules requiring an abstract, which will allow a searcher to quickly ascertain the subject matter of the technical disclosure of any patent issued from this disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. Any advantages and benefits described may not apply to all embodiments of the invention. It should be appreciated that variations may be made in the embodiments described by persons skilled in the art without departing from the scope of the invention as defined by the following claims. Moreover, no element and component in the disclosure is intended to be dedicated to the public regardless of whether the element or component is explicitly recited in the following claims.
| Number | Date | Country | Kind |
|---|---|---|---|
| 201811552034.6 | Dec 2018 | CN | national |
