CN103869583A - Projection device and integration rod positioning structure thereof - Google Patents
Projection device and integration rod positioning structure thereof Download PDFInfo
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- CN103869583A CN103869583A CN201210529475.0A CN201210529475A CN103869583A CN 103869583 A CN103869583 A CN 103869583A CN 201210529475 A CN201210529475 A CN 201210529475A CN 103869583 A CN103869583 A CN 103869583A
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Abstract
The invention relates to a projection device and an integration rod positioning structure thereof. The projection device comprises a solid integration rod, an integration rod positioning structure, an image generation unit and a projection lens. The solid integration rod is configured in the integration rod positioning structure. The integration rod positioning structure comprises a fixed seat and an adjusting unit. The fixed seat has a first surface and a second surface, and the solid integration rod is accommodated and fixed in the fixed seat. The adjusting unit has a first adjusting element and a second adjusting element, the first adjusting element and the second adjusting element abut against the first surface and the second surface respectively, the first adjusting element is used for adjusting the fixed seat to move toward a first direction, and the second adjusting element is used for adjusting the fixed seat to move toward a second direction, wherein the second direction is not parallel to the first direction. The abovementioned integration rod positioning structure can accurately adjust the integration rod, thereby enabling the integration rod to be accurately aligned with an incident light source.
Description
Technical field
The present invention relates to a kind of projection arrangement and integration rod location structure thereof, and be particularly related to a kind of projection arrangement that solid integration rod is fixed and integration rod location structure thereof.
Background technology
In the ray machine of known projection arrangement, include integration rod (integration rod), can make incident ray enter in the inner total reflection repeatedly, so that the light of outgoing produces the distribution of homogenising.
Be assembled in the process of ray machine at actual integration post, the assembly error producing while having foozle and assembling due to integration rod or ray machine itself, all easily makes the assembling position of integration rod reality depart from original predeterminated position, causes integration rod to produce crooked situation.In the time that integration rod has crooked situation in ray machine, just light cannot be incident in integration rod completely, and the light that cannot be incident in integration rod just can lose the brightness reduction that causes projection arrangement.
As the dust tight construction of the integration rod of the projection products that discloses in Taiwan patent announcement number No. 414327 patent and No. 439993 patent, dust tight construction comprises socket housing and dust excluding plate, dust excluding plate is light-permeable plate (as glass plate or acrylic plate), and dust excluding plate is sleeved on socket housing and compresses and hide completely the exiting surface of integration rod.Due to the structural limitations of above-mentioned integration rod dustproof construction, integration rod cannot be carried out to integration rod the adjustment of position after being assembled in ray machine, need the mechanism of other design modifying incident light source, adjust the incident light source effect corresponding with integration rod position to reach, so can significantly increase the cost in making.Moreover meeting adhesive dust after dust excluding plate use certain hour, so need periodic cleaning dust excluding plate, if irregularly clear up dust excluding plate, can cause the problem of brightness along with continuous decrease service time, increases maintenance cost.
In addition, in No. 6934097th, United States Patent (USP), disclose a kind of structural design that sees through integration rod support member and set firmly integration rod, also exist identical problem, namely because the structural limitations of integration rod and integration rod support member causes integration rod to be assembled in the problem that cannot carry out to integration rod the adjustment of position after ray machine; In addition, No. 101354463 patent of China and No. 1862366 same integration rod of also cannot effectively adjusting of the disclosed integration pillar adjusting apparatus of patent.Therefore, how to solve and to improve one of real emphasis that technical field person pays close attention to for this reason for the problems referred to above.
Summary of the invention
The object of the present invention is to provide a kind of integration rod location structure, its making error in response to solid integration rod and be assembled in ray machine after the assembly error that produces, can adjust accurately solid integration rod, make solid integration rod can accurately aim at incident light source.
The present invention reintroduces a kind of projection arrangement, by integration rod location structure, solid integration rod is adjusted, thereby is had good display quality.
Other objects of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching one of above-mentioned or partly or entirely object or other objects, the present invention proposes a kind of integration rod location structure, and it is in order to be fixed on solid integration rod in projection arrangement, and integration rod location structure comprises holder and adjustment unit.Holder has first surface and second surface, and solid integration rod is accommodating and be fixed in holder.Adjustment unit has the first adjustment element and second and adjusts element, the first adjustment element and second is adjusted element and is resisted against respectively first surface and second surface, first adjusts element moves towards first direction in order to adjust holder, second adjusts element moves towards second direction in order to adjust holder, the wherein not parallel first direction of second direction.
For reaching one of above-mentioned or partly or entirely object or other objects, the present invention proposes a kind of projection arrangement in addition, and it comprises solid integration rod, integration rod location structure, image generation unit and projection lens.Solid integration rod is disposed at this integration rod location structure.Integration rod location structure comprises holder and adjustment unit.Holder has first surface and second surface, and solid integration rod is accommodating and be fixed in holder.Adjustment unit has the first adjustment element and second and adjusts element, the first adjustment element and second is adjusted element and is resisted against respectively first surface and second surface, first adjusts element moves towards first direction in order to adjust holder, second adjusts element moves towards second direction in order to adjust holder, the wherein not parallel first direction of second direction.Image generation unit comes from the light of solid integration rod and image strip is provided in order to receive.Projection lens is positioned on the bang path of image strip.
In one embodiment of this invention, above-mentioned integration rod location structure has the first elastic and the second elastic, and holder also has the 3rd surface and the 4th surface, wherein first surface is relative with the 3rd surface, second surface respect to one another and the 4th surface are connected in first surface and the 3rd surface, the first elastic is resisted against the 3rd surface, and the second elastic is resisted against the 4th surface.
In one embodiment of this invention, above-mentioned integration rod location structure also comprises upper cover and lower cover.Upper cover is disposed between solid integration rod and holder.Lower cover is disposed between solid integration rod and holder, and is engaged in upper cover, and solid integration rod is between upper cover and lower cover.
In one embodiment of this invention, above-mentioned upper cover and lower cover have respectively multiple inner wall surface, and these inner wall surface have multiple projections, and these projections are resisted against solid integration rod.
In one embodiment of this invention, these projections of above-mentioned upper cover are disposed at respectively multiple corners of upper cover, these corners near the exiting surface of solid integration rod and incidence surface at least one of them.
In one embodiment of this invention, above-mentioned integration rod location structure also comprises annular resilient unit, sheathed holder the exiting surface near solid integration rod.
In one embodiment of this invention, the material of above-mentioned annular resilient unit comprise silica gel or foam at least one of them.
In one embodiment of this invention, above-mentioned projection arrangement has the first locking hole and the second locking hole, and first adjusts element is arranged in the first locking hole, and second adjusts element is arranged in the second locking hole.
In one embodiment of this invention, above-mentioned integration rod location structure also comprises block, is disposed between holder and adjustment unit, and wherein the second adjustment element sees through the second surface of block against holder.
Based on above-mentioned, in the embodiment of the present invention, adjustment unit by integration rod location structure is adjusted the holder that is equipped with solid integration rod, to guarantee integration rod being adjusted to location within the shortest time, namely solid integration rod is adjusted to the position of accurate aligning incident light source, thus, reduce significantly production line and adjust the time of solid integration rod position.And the integration rod described in the embodiment of the present invention is adjusted structure and is also had upper cover and lower cover, in order to clamp solid integration rod, guarantee that solid integration rod can be by scratch in the process of assembling, prevent that dust is attached in solid integration rod simultaneously.Further collocation is sheathed on the annular resilient element on holder again, can effectively prevent the problem that the exiting surface dust of solid integration rod adheres to.
Brief description of the drawings
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Fig. 1 is the block schematic diagram that the projection arrangement described in one embodiment of the invention is shown.
Fig. 2 is the diagrammatic cross-section that the integration rod location structure described in one embodiment of the invention is shown.
Fig. 3 illustrates the first elastic that this enforcement is described and the perspective view of the second elastic.
Fig. 4 is the side diagrammatic cross-section that the integration rod location structure shown in Fig. 2 is shown.
Fig. 5 A is the schematic diagram illustrating before the assembling of upper cover, lower cover, annular resilient unit and holder.
Fig. 5 B is the schematic diagram illustrating after the assembling of upper cover, lower cover, annular resilient unit and holder.
Fig. 6 A is the schematic side view illustrating towards the exiting surface of solid integration rod.
Fig. 6 B is the schematic side view illustrating towards the incidence surface of solid integration rod.
[main element symbol description]
1: projection arrangement
10: housing
11: light source
12: solid integration rod
13: lens combination
14: image generation unit
15: projection lens
101: the first locking holes
102: the second locking holes
110: illuminating bundle
120: exiting surface
121: incidence surface
140: image strip
2: integration rod location structure
20: holder
21: adjustment unit
22: the first elastic
23: the second elastic
24: upper cover
25: lower cover
26: annular resilient unit
200: elastic piece structure
201: first surface
202: second surface
203: the three surfaces
204: the four surfaces
205: plate body
211: the first adjustment parts
212: the second adjustment parts
213: block
240: the first grooves
250: the second grooves
241,251: inner wall surface
242,252: projection
243,253: corner
2131: the first upper projecting faces
2132: the second upper projecting faces
Y: first direction
X: second direction
Embodiment
About aforementioned and other technology contents, feature and effect of the present invention, in the following detailed description coordinating with reference to graphic embodiment, can clearly present.The direction term of mentioning in following examples, for example: upper and lower, left and right, front or rear etc. are only the directions with reference to annexed drawings.Therefore, the direction term of use is to be not used for limiting the present invention for illustrating.
Please refer to Fig. 1, it is the block schematic diagram of the projection arrangement described in one embodiment of the invention.As shown in Figure 1, the projection arrangement 1 described in the present embodiment comprises solid integration rod 12, image generation unit 14, projection lens 15 and integration rod location structure 2, and wherein integration rod location structure 2 can be used to solid integration rod 12 to be fixed and position adjustment.Image generation unit 14 comes from the light of solid integration rod 12 and image strip 140 is provided in order to receive, wherein image generation unit 14 is for example digital micro-mirror device (digital micro mirror device, be called for short DMD) or monocrystalline silicon LCD panel (liquid crystal on silicon panel is called for short LCOS panel).Projection lens 15 is positioned on the bang path of image strip 140, further to project projected picture.
In the present embodiment, solid integration rod 12, image generation unit 14, projection lens 15 and integration rod location structure 2 are for example all arranged in the housing 10 of projection arrangement 1.The projection arrangement 1 of the present embodiment also comprises light source 11, and light source 11 is in order to provide illuminating bundle 110 to solid integration rod 12, and solid integration rod 12 receives after illuminating bundle 110 illuminating bundle 110 homogenising; But, in other embodiments, in projection arrangement 1, can not adopt bulb is light source 11, it can also be light-emitting display panel, wherein light-emitting display panel is for example organic LED array panel (organic light emitting diode array panel), light emitting diode matrix panel (light emitting diode array panel) or other suitable luminescent panels, produces illuminating bundle 110.And lens combination 13 also can be further set in the projection arrangement 1 of the present embodiment, wherein lens combination 13 can focus on the illuminating bundle of homogenising 110 on image generation unit 14, and image generation unit 14 can further convert illuminating bundle 110 to image strip 140.Need special instruction, the framework of the each element shown in Fig. 1 and the path of optics are only an embodiment wherein of the present invention, and the present invention is not as limit.
Just detailed structure and the embodiment of the integration rod location structure 2 shown in Fig. 1 are further described below.
Please refer to Fig. 2, it is the diagrammatic cross-section of the integration rod location structure described in one embodiment of the invention.As shown in Figures 1 and 2, the integration rod location structure 2 described in the present embodiment comprises holder 20 and adjustment unit 21.Holder 20 has first surface 201 and second surface 202, and solid integration rod 12 is accommodating and be fixed in holder 20.Adjustment unit 21 has the first adjustment element 211 and second and adjusts element 212.The first adjustment element 211 and the second adjustment element 212 are resisted against respectively the first surface 201 and second surface 202 of holder 20.First adjusts element 211 moves towards first direction Y in order to adjust holder 20, and second adjusts element 212 moves towards second direction X in order to adjust holder 20, and wherein second direction X is not parallel to first direction Y.In the present embodiment, first direction Y is vertical second direction X for example, but the present invention is not as restriction, in other words, can have the angle of non-zero degree, non-90 degree or non-180 degree between first direction Y and second direction X.
It is for example screw that above-mentioned the first adjustment element 211 and second is adjusted element 212, but the present invention is not as limit.The housing 10 of the projection arrangement 1 of the present embodiment has the first locking hole 101 and the second locking hole 102, and first adjust element 211 and be arranged in the first locking hole 101, the second and adjust elements 212 and be arranged in the second locking hole 102.In addition, the second adjustment part 212 is for example the second surface 202 that is resisted against holder 20 through block 213, specifically, this block 213 has the first upper projecting face 2131 and the second upper projecting face 2132, second adjusts element 212 is resisted against the first upper projecting face 2131, and the second upper projecting face 2132 is resisted against the second surface 202 of holder 20.In the present embodiment, when the second adjustment element 212 moves when against the first upper projecting face 2131 towards first direction Y, can promote block 213 moves towards second direction X, and can further promoting holder 20, moves towards second direction X the second upper projecting face 2132, thus, second adjust element 212 just capable of regulating holder 20 move towards second direction X.And the second surface 202 that the second adjustment element 212 is resisted against holder 20 through block 213 is only an embodiment wherein of the present invention, the present invention is not as limit, in other embodiments, the second adjustment element 212 also can directly be resisted against the second surface 202 of holder 20, for example that 213 direct replacements of the block shown in Fig. 2 are become to the second adjustment element 212, so, second adjusts element 212 just can move with the second surface 202 against holder 20 towards second direction X, and then holder 20 is moved towards second direction X.
Please continue with reference to Fig. 2, the integration rod location structure 2 described in the present embodiment also comprises the first elastic 22 and the second elastic 23 again.The first elastic 22 is resisted against the 3rd surface 203, the second elastic 23 with respect to first surface 201 in holder 20 and is resisted against the 4th surface 204 with respect to second surface 202 in holder 20.The first elastic 22 described in the present embodiment and effect of the second elastic 23 are: in the time that wish adjustment holder 20 moves towards first direction Y, the first adjustment element 211 is moved and promotes holder 20 towards first direction Y and move towards first direction Y, be fixed seat 20 extruding thereby can be towards first direction Y compression of the first elastic 22, make the holder 20 can direct collision does not cause damage in housing 10 because of the promotion of the first adjustment element 211.In the time that wish adjustment holder 20 moves towards the opposite direction of first direction Y, the first adjustment part 211 is moved towards the opposite direction of first direction Y, the earth pressure release that the first elastic 22 is pushed because of holder 20 thereby can form elastic-restoring force, this elastic-restoring force promotes holder 20 and moves towards the opposite direction of first direction Y.
Similarly, in the present embodiment, in the time that wish adjustment holder 20 moves towards second direction X, the second adjustment element 212 can be moved towards first direction Y, making block 213 promote holder 20 moves towards second direction X, be fixed seat 20 extruding and towards second direction X compression of the second elastic 23 like this, make the holder 20 can direct collision does not cause damage in housing 10 because of the promotion of block 213.In the time that wish adjustment holder 20 moves towards the opposite direction of second direction X, the second adjustment part 212 can be moved towards the opposite direction of first direction Y, the earth pressure release that the second elastic 23 like this is pushed because of holder 20 forms elastic-restoring force, and this elastic-restoring force promotes holder 20 and moves (block 213 also moves towards the opposite direction of second direction X simultaneously) towards the opposite direction of second direction X.
One of value is carried, and described the first elastic 22 and the second elastic 23 of this enforcement is for example integrated elastic piece structure 200, and wherein the surface structure of elastic piece structure 200 is for example the complexion shown in Fig. 3, but the present invention is not as limit.
Please refer to Fig. 4, it is the side diagrammatic cross-section of the integration rod location structure 2 shown in Fig. 2.Integration rod location structure 2 described in the present embodiment also comprises upper cover 24, lower cover 25 and annular resilient unit 26.Upper cover 24 is disposed between solid integration rod 12 and holder 20.Lower cover 25 is disposed between solid integration rod 12 and holder 20 and is engaged in upper cover 24, and solid integration rod 12 is between upper cover 24 and lower cover 25.Annular resilient unit 26 is sheathed on holder 20 exiting surface 120 near solid integration rod 12, the material of this annular resilient unit 26 comprise silica gel or foam at least one of them, but the present invention is not as limit.Below further describe with regard to the upper cover 24 described in the present embodiment, lower cover 25, annular resilient unit 26 and holder 20 again.
Please refer to Fig. 5 A and Fig. 5 B, it is the assembling schematic diagram of the upper cover 24 shown in Fig. 4, lower cover 25, annular resilient unit 26 and holder 20.Wherein Fig. 5 A is the schematic diagram before the assembling of upper cover 24, lower cover 25, annular resilient unit 26 and holder 20.Fig. 5 B is the schematic diagram after the assembling of upper cover 24, lower cover 25, annular resilient unit 26 and holder 20.As shown in Figure 5A, the holder 20 described in the present embodiment can further have plate body 205, and wherein plate body 205 is disposed at one end of holder 20, and annular resilient unit 26 can be sheathed on this plate body 205.Upper cover 24 has the first groove 240, lower cover 25 has the second groove 250, the notch of this first groove 240 is with respect to the notch of the second groove 250, in the time that upper cover 24 is engaged in lower cover 25, solid integration rod 12 is placed in the first groove 240 and the second groove 250 in conjunction with in rear formed accommodation space, and the first groove 240 and the second groove 250 in conjunction with after cross sectional shape can be hollow.And upper cover 24, lower cover 25, annular resilient unit 26 and holder 20 surface structure after having assembled as shown in Figure 5 B.
Please refer to Fig. 6 A and Fig. 6 B, it is the schematic side view that upper cover 24 and lower cover 25 clamp solid integration rod 12.Wherein Fig. 6 A is the schematic side view towards the exiting surface 120 of solid integration rod 12, and Fig. 6 B is the schematic side view towards the incidence surface 121 of solid integration rod 12.As shown in Fig. 6 A and Fig. 6 B, the upper cover 24 described in the present embodiment has respectively multiple inner wall surface 241,251 with lower cover 25.These inner wall surface 241,251 have multiple projections 242,252, and these projections 242,252 are resisted against solid integration rod 12.Specifically, as shown in Figure 6A, these projections 242 of the inner wall surface 241 of upper cover 24 are for example disposed at respectively multiple corners 243 of the inner wall surface 241 of upper cover 24, and for example exiting surface 120 of close solid integration rod 12 of these corners 243.Similarly, these projections 242 of the inner wall surface 251 of lower cover 25 are for example disposed at respectively multiple corners 253 of the inner wall surface 251 of lower cover 25, and for example exiting surface 120 of close solid integration rod 12 of these corners 253.Again as shown in Figure 6B, upper cover 24 can have multiple projections 242,252 with the inner wall surface 241,251 of lower cover 25 equally near the corner 243,253 of the incidence surface 121 of solid integration rod 12.Effect of these projections 242,252 described in the present embodiment is to reduce solid integration rod 12 and is directly contacted with the inner wall surface 241,251 of upper cover 24, lower cover 25, solid integration rod 12 can not rubbed each other with the inner wall surface of upper cover 24, lower cover 25 241,251, and can effectively increase optical reflection area, and then improve optical efficiency.What need special instruction is, the quantity of these projections 242,252 shown in Fig. 6 A and Fig. 6 B is 16 (8 projections of close exiting surface 120 and 8 projections of close incidence surface 121), this quantity is only an embodiment wherein of the present invention, the present invention is as limit, the demand of the visual actual conditions of configuration quantity of these projections 242,252 and adjusting.
In sum, have the following advantages at the projection arrangement described in the embodiment of the present invention at least one of them:
1. can be without near the additional configuration dust excluding plate exiting surface in solid integration rod, clamp solid integration rod and reach dustproof effect but see through upper cover and lower cover, in addition the configuration of annular resilient unit of arranging in pairs or groups again reaches exiting surface dustproof effect around of solid integration rod, under such structural design, can effectively increase the optical reflection area of solid integration rod, and then improve optical efficiency.
2. the adjustment unit of integration rod location structure can be adjusted the holder that is equipped with solid integration rod, effectively reduces assembling time cost.
3. see through upper cover and lower cover and clamp solid integration rod, avoid solid integration rod to be declined by scratch and brightness, and assembling easily, assembly cost is low.
The above, be only the preferred embodiments of the present invention, can not limit scope of the invention process with this, i.e. all simple equivalences of doing according to the claims in the present invention book and description change and amendment, all still belong in the scope of patent covering of the present invention.In addition, arbitrary embodiment of the present invention or claim must not reached the disclosed whole objects of the present invention or advantage or feature.In addition, summary and denomination of invention are only for the use of auxiliary patent retrieval, are not used for limiting interest field of the present invention.In addition, the term such as " first ", " second " mentioned in this instructions or claim, " the 3rd ", " 4th " is only in order to name the title of element, and is not used for the quantitative upper limit of limiting element or lower limit.
Claims (20)
1. an integration rod location structure, in order to solid integration rod is fixed in projection arrangement, described integration rod location structure comprises:
Holder, has first surface and second surface, and described solid integration rod is accommodating and be fixed in described holder; And
Adjustment unit, there is the first adjustment element and second and adjust element, described the first adjustment element and described second is adjusted element and is resisted against respectively described first surface and described second surface, described first adjusts element moves towards first direction in order to adjust described holder, described second adjusts element moves towards second direction in order to adjust described holder, the not parallel described first direction of wherein said second direction.
2. integration rod location structure according to claim 1, it is characterized in that, there is the first elastic and the second elastic, and described holder also has the 3rd surface and the 4th surface, described first surface is relative with described the 3rd surface, described second surface respect to one another and described the 4th surface are connected in described first surface and described the 3rd surface, and described the first elastic is resisted against described the 3rd surface, and described the second elastic is resisted against described the 4th surface.
3. integration rod location structure according to claim 1, is characterized in that, also comprises:
Upper cover, is disposed between described solid integration rod and described holder; And
Lower cover, is disposed between described solid integration rod and described holder, and is engaged in described upper cover, and described solid integration rod is between described upper cover and described lower cover.
4. integration rod location structure according to claim 3, is characterized in that, described upper cover and described lower cover have respectively multiple inner wall surface, and described inner wall surface has multiple projections, and described projection is resisted against described solid integration rod.
5. integration rod location structure according to claim 4, is characterized in that, the described projection of described upper cover is disposed at respectively multiple corners of described upper cover, described corner near the exiting surface of described solid integration rod and incidence surface at least one of them.
6. integration rod location structure according to claim 4, is characterized in that, the described projection of described lower cover is disposed at respectively multiple corners of described lower cover, described corner near the exiting surface of described solid integration rod and incidence surface at least one of them.
7. integration rod location structure according to claim 1, is characterized in that, also comprises:
Annular resilient unit, sheathed described holder the exiting surface near described solid integration rod.
8. integration rod location structure according to claim 7, is characterized in that, the material of described annular resilient unit comprise silica gel or foam at least one of them.
9. integration rod location structure according to claim 1, is characterized in that, described the first adjustment element is arranged in the first locking hole of described projection arrangement, and described the second adjustment element is arranged in the second locking hole of described projection arrangement.
10. integration rod location structure according to claim 1, is characterized in that, also comprises:
Block, is disposed between described holder and described adjustment unit, and wherein said second adjusts element sees through described block against described second surface.
11. 1 kinds of projection arrangements, comprising:
Solid integration rod;
Integration rod location structure, described solid integration rod is disposed at described integration rod location structure, described integration rod location structure comprises holder and adjustment unit, described holder has first surface and second surface, described solid integration rod is accommodating and be fixed in described holder, described adjustment unit has the first adjustment element and second and adjusts element, described the first adjustment element and described second is adjusted element and is resisted against respectively described first surface and described second surface, described first adjusts element moves towards first direction in order to adjust described holder, described second adjusts element moves towards second direction in order to adjust described holder, the not parallel described first direction of wherein said second direction,
Image generation unit, comes from the light of described solid integration rod and image strip is provided in order to receive; And
Projection lens, is positioned on the bang path of described image strip.
12. projection arrangements according to claim 11, it is characterized in that, described integration rod location structure has the first elastic and the second elastic, and described holder also has the 3rd surface and the 4th surface, described first surface is relative with described the 3rd surface, described second surface respect to one another and described the 4th surface are connected in described first surface and described the 3rd surface, and described the first elastic is resisted against described the 3rd surface, and described the second elastic is resisted against described the 4th surface.
13. projection arrangements according to claim 11, is characterized in that, described integration rod location structure also comprises:
Upper cover, is disposed between described solid integration rod and described holder; And
Lower cover, is disposed between described solid integration rod and described holder, and is engaged in described upper cover, and described solid integration rod is between described upper cover and described lower cover.
14. projection arrangements according to claim 13, is characterized in that, described upper cover and described lower cover have respectively multiple inner wall surface, and described inner wall surface has multiple projections, and described projection is resisted against described solid integration rod.
15. projection arrangements according to claim 14, is characterized in that, the described projection of described upper cover is disposed at respectively multiple corners of described upper cover, described corner near the exiting surface of described solid integration rod and incidence surface at least one of them.
16. projection arrangements according to claim 14, is characterized in that, the described projection of described lower cover is disposed at respectively multiple corners of described lower cover, described corner near the exiting surface of described solid integration rod and incidence surface at least one of them.
17. projection arrangements according to claim 11, is characterized in that, described integration rod location structure also comprises:
Annular resilient unit, sheathed described holder the exiting surface near described solid integration rod.
18. projection arrangements according to claim 17, is characterized in that, the material of described annular resilient unit comprise silica gel or foam at least one of them.
19. projection arrangements according to claim 11, is characterized in that, described projection arrangement has the first locking hole and the second locking hole, and described first adjusts element is arranged in described the first locking hole, and described second adjusts element is arranged in described the second locking hole.
20. projection arrangements according to claim 11, is characterized in that, described integration rod location structure also comprises:
Block, is disposed between described holder and described adjustment unit, and wherein said second adjusts element sees through described block against described second surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529475.0A CN103869583A (en) | 2012-12-07 | 2012-12-07 | Projection device and integration rod positioning structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529475.0A CN103869583A (en) | 2012-12-07 | 2012-12-07 | Projection device and integration rod positioning structure thereof |
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| CN103869583A true CN103869583A (en) | 2014-06-18 |
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| CN201210529475.0A Pending CN103869583A (en) | 2012-12-07 | 2012-12-07 | Projection device and integration rod positioning structure thereof |
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| CN105629642A (en) * | 2014-11-04 | 2016-06-01 | 鸿富锦精密工业(武汉)有限公司 | Projector |
| CN106773473A (en) * | 2016-12-30 | 2017-05-31 | 苏州佳世达电通有限公司 | Projector light pipe fixing device and projector |
| CN106773474A (en) * | 2016-12-30 | 2017-05-31 | 苏州佳世达电通有限公司 | Projector light pipe fixing device and projector |
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| CN106773473A (en) * | 2016-12-30 | 2017-05-31 | 苏州佳世达电通有限公司 | Projector light pipe fixing device and projector |
| CN106773474A (en) * | 2016-12-30 | 2017-05-31 | 苏州佳世达电通有限公司 | Projector light pipe fixing device and projector |
| TWI644159B (en) * | 2016-12-30 | 2018-12-11 | 佳世達科技股份有限公司 | Projector and light pipe fixing device thereof |
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Application publication date: 20140618 |