CN101470333B

CN101470333B - Projector

Info

Publication number: CN101470333B
Application number: CN2007102035700A
Authority: CN
Inventors: 黄章波
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2007-12-29
Filing date: 2007-12-29
Publication date: 2010-09-29
Anticipated expiration: 2027-12-29
Also published as: CN101470333A

Abstract

The invention relates to a projection apparatus, which comprises a casing and an optical system component, wherein the optical system component is arranged in the casing, and an opening is arranged on the casing. A lens is arranged on the optical system component, and is exposed through the opening. The casing is further equipped with a through hole. The projection apparatus further comprises a supporting part and a drawing part, wherein the supporting part is used to support the optical system component, and the drawing part is fixed on the optical system component. The optical system component swings around the supporting part under the action of external force applied on the drawing part, thereby achieving the purpose of adjusting the projection angle of the projection apparatus.

Description

Projector

Technical field

The present invention relates to a kind of projector, relate in particular to a kind of projector with supporting mechanism.

Background technology

Along with the progress and the development of electronic technology of society, projector has become indispensable utility appliance in people's life, work, the study, as office, classroom, meeting room, home theater etc.Projector is to be used for the image that the picture signal of input is represented is presented at the screen that is throwed enlargedly.

Usually when using projector, need earlier the projection angle of projector to be regulated, industry normally is provided with a revolving screw by the bottom at projector and finishes.That is, when need adjusting the angle of projector, need earlier projector is lifted, the height of set screw puts down projector more then, and whether observe adjusted angle suitable; As improper, then need again projector to be lifted, adjusted again, so repeatedly, till being adjusted to suitable angle.

Therefore, thisly come the angle of projector is regulated by the mode that screw is set in projector bottom, the not only complex steps of Tiao Jieing, and user is difficult to be adjusted to suitable projection angle, thereby influences the display effect of projected image.

Summary of the invention

In view of this, be necessary to provide a kind of user of being convenient to adjust the projector of projection angle.

A kind of projector comprises housing, is arranged at the module of optical system in the housing, offer opening on the housing, module of optical system is provided with camera lens, camera lens exposes by opening, also offer through hole on the housing, projector also comprises in order to the support member of support of optical system component and is fixed in traction piece on the module of optical system, module of optical system under the external force effect that puts on this traction piece around the support member beat, to reach the purpose of adjusting this projector projection angle, this traction piece is banded.

When adjusting the projection angle of this projector, only need traction piece is applied an acting force, can make the module of optical system beat, thereby realize angular setting projector.So the more convenient user of projector adjusts its projection angle.

Description of drawings

Fig. 1 is the schematic perspective view of a better embodiment projector.

Fig. 2 is the decomposing schematic representation of projector among Fig. 1.

Fig. 3 is a projector diagrammatic cross-section among Fig. 1.

Fig. 4 is the adjusted synoptic diagram of projector among Fig. 3.

Fig. 5 is the synoptic diagram of another embodiment.

Embodiment

As illustrated in fig. 1 and 2, be the schematic perspective view of a better embodiment projector 100 and the decomposing schematic representation of projector 100.Projector 100 comprises housing 10, be fixed on support member 20 on the housing 10, be placed in the housing 10 and the keeper 50 that is supported in the module of optical system 30 on the support member 20, the traction piece 40 that is connected with module of optical system 30 rotationally and can be fixed on diverse location on the traction piece 40.Wherein, module of optical system 30 is provided with camera lens 31, and camera lens 31 and traction piece 40 lay respectively at the relative both sides of support member 20.

Housing 10 comprises procapsid 11 and the back casing 12 that can engage with procapsid 11.Procapsid 11 has end face 115, front surface 116, with end face 115 opposed bottom surface 117 and in the relative rear surface 118 of front surface 116.Offer opening 111 and through hole 113 on the procapsid 11, wherein, opening 111 is opened on the front surface 116 of procapsid 11, and through hole 113 is offered on the end face 115 of procapsid 11 and near rear surface 118.

Support member 20 is arranged in the housing 10, and is positioned on the bottom surface 117 of procapsid 11, in order to support of optical system component 30, and makes that module of optical system 30 can be with respect to support member 20 beats.Support member 20 can be independent element, also can be the element that is arranged on module of optical system 30 or the procapsid 11, its with so that module of optical system 30 can be in procapsid 11 beat.In the present embodiment, support member 20 is one to be fixed on the individual component on the procapsid 11, and it is a right cylinder.

Module of optical system 30 comprises a plurality of optical elements, light source, driving circuit etc.Integral body is the polygonal shape of a rule.Module of optical system 30 is provided with camera lens 31, and camera lens 31 can expose so that project light beam by opening 111.Module of optical system 30 is provided with a side 33 that can contact with support member 20, and side 33 is the arcwall face of a depression.

End away from camera lens 31 on traction piece 40 and the module of optical system 30 is connected, and traction piece 40 and camera lens 31 lay respectively at the relative both sides of support member 20.Traction piece 40 is banded, and it can pass through hole 113 so that the user uses.Be set side by side with a plurality of square perforation 41 on the traction piece 40.In the present embodiment, traction piece 40 is made for flexible material, and in other embodiments, traction piece 40 also can be hard material and makes.

Keeper 50 can be an independent element, also can be one convexedly stretch on the end face 115 of procapsid 11 and with procapsid 11 integrated elements, it is mainly used in traction piece 40 is fixed on the housing 10, prevents that traction piece 40 from continuing with respect to housing 10 motions.In the present embodiment, keeper 50 is an independent element, and it can pass perforation 41 backstops and be located on the housing 10, prevents that traction piece 40 from continuing to slip in the housing 10.

During assembling: at first, traction piece 40 is fixed on the module of optical system 30 a end away from camera lens 31; Secondly, module of optical system 30 is placed in the procapsid 11, and makes that camera lens 31 and opening 111 are relative and pass opening 111 and expose, traction piece 40 and through hole 113 are relative and pass through hole 113 and expose; At last, arbitrary perforation 41 backstops that keeper 50 passes on the traction piece 40 are located on the procapsid 11, are prevented that traction piece 40 from slipping in the procapsid 11, and back casing 13 is sticked on the procapsid 13 that so far, assembling finishes.

As shown in Figure 3, at this moment, the projection angle of the module of optical system 30 of projector 100 is higher than needed projection angle.During use, take out keeper 50, and apply a directed force F 1 and upwards spur traction piece 40, make that module of optical system 30 rises on the end at module of optical system 30 upper guiding pieces 40 places with respect to support member 20 beats, the end at camera lens 31 places descends.When camera lens 31 drops to needed angle, stop drag traction piece 40, and perforation 41 and retaining that keeper 50 passes adjacent housing 10 on the traction piece 40 be located on the housing 10, thereby can prevent that traction piece 40 is with respect to housing 10 motions, and then can make camera lens 31 rest on needed angle, reach the purpose of the projection angle of adjusting projector 100.Because, above-mentioned regulative mode is only by pulling traction piece 40, keeper 50 is fixed on perforation different on the traction piece 40 41 interior also retainings to be located on the housing 10, can reach the purpose of adjusting projector 100 projection angles, so above-mentioned projector 100 more convenient users adjust its projection angle (as shown in Figure 4).

Again, traction piece 40 is made for flexible material, and therefore, traction piece 40 is positioned behind part 50 location, and it can be by bending to pass 113.When not using, can bend, save occupation space, be convenient to collection.

Because in the present embodiment, traction piece 40 is made for flexible material.And in the present embodiment, the projection angle of module of optical system 30 under original state of projector 100 is higher than needed projection angle.So, traction piece 40 is fixed on the module of optical system 30 a end away from camera lens 31.If, the module of optical system 30 of projector 100 projection angle under original state is lower than needed projection angle, then, traction piece 40 can be fixed in an end of close camera lens 31 on the module of optical system 30, to reach the purpose of adjusting projector 100 projection angles.

As shown in Figure 5, for traction piece 40a is arranged on the module of optical system 30 stereographic map near an end of camera lens 31, that is, traction piece 40a and camera lens 31 are arranged at the same side of support member 20.Traction piece 40a is that hard material is made.When traction piece 40a applies a tensile force f 2 to module of optical system 30, can make the projection angle of shadow instrument 100 raise; When traction piece 40a applies a thrust F3 to module of optical system 30, can make the projection angle of shadow instrument 100 reduce.Therefore, the user can the needs when using adjusts the purpose of projector 100.In like manner as can be known, traction piece 40a also can be arranged on the module of optical system 30 end away from camera lens 31, that is, traction piece 40a and camera lens 31 are arranged at the relative both sides of support member 20, also can reach the purpose of adjusting projector 100.Therefore, traction piece 40a be fixed on the module of optical system 30 near an end of camera lens 31 or away from an end of camera lens 31 all can, and module of optical system 30 projection angle under original state that does not need to consider projector 100 is higher than or is lower than needed projection angle.

Claims

1. projector, comprise housing, be arranged at the module of optical system in the housing, offer opening on this housing, this module of optical system is provided with camera lens, this camera lens exposes by opening, it is characterized in that: this projector comprises also module of optical system is supported in the support member on this housing and is fixed in traction piece on the module of optical system that this traction piece is being subjected to external force to drive this module of optical system around this support member beat as the time spent, and this traction piece be a band shape.

2. projector as claimed in claim 1 is characterized in that: this projector also comprises this traction piece is fixed on keeper on the diverse location.

3. projector as claimed in claim 2 is characterized in that: this traction piece is provided with for this keeper and passes to fix a plurality of perforation of this traction piece.

4. projector as claimed in claim 1 is characterized in that: this traction piece and camera lens lay respectively at the relative both sides of this support member.

5. projector as claimed in claim 1 is characterized in that: this traction piece and camera lens are arranged at the same side of this support member.

6. projector as claimed in claim 1 is characterized in that: this traction piece is that flexible material is made.

7. projector as claimed in claim 1 is characterized in that: this traction piece is that hard material is made.

8. projector as claimed in claim 1 is characterized in that: also offer on this housing and be used for the through hole that passes for traction piece.

9. projector as claimed in claim 1 is characterized in that: this support member is a right cylinder, and the surface that contacts with support member on this module of optical system is the arcwall face of a depression.