CN211478842U - Light blocking device - Google Patents
Light blocking device Download PDFInfo
- Publication number
- CN211478842U CN211478842U CN201922479181.1U CN201922479181U CN211478842U CN 211478842 U CN211478842 U CN 211478842U CN 201922479181 U CN201922479181 U CN 201922479181U CN 211478842 U CN211478842 U CN 211478842U
- Authority
- CN
- China
- Prior art keywords
- main body
- light
- sliding
- slide rail
- bracket
- 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.)
- Active
Links
Images
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a light blocking device, which comprises a front bracket, a first baffle, a rear bracket and a second baffle; the front support comprises a first support main body, a first sliding rail and a first light through port, and the first sliding rail extends along a first direction; the first baffle comprises a first main body part and a first sliding part, and the first main body part can slide relative to the front support along a first direction through the first sliding part so that the first main body part at least partially covers the first light through opening; the rear support comprises a second support main body, a second sliding rail and a second light through opening which is concentric with the first light through opening, the second support main body is fixed on the first support main body, the second sliding rail extends along a second direction, and the second direction is vertical to the first direction; the second baffle comprises a second main body part and a second sliding part, and the second main body part can slide relative to the rear support along a second direction through the second sliding part so that the second main body part at least partially covers the second light-passing opening. Compared with the prior art, the utility model discloses a light blocking device shelters from effectually.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a projection equipment field especially relates to an apply to device that is in light of projection equipment test.
[ background of the invention ]
In real life, projection devices are used more and more widely. In order to ensure good projection and viewing effects, parameters of the projection device, such as definition, brightness, contrast, and color saturation, need to be tested.
In the projection picture test, a tester needs to preset a plurality of test points or divide a plurality of test areas, and then measures parameters of each test point or each test area by using professional instrument equipment; because the test points or the test areas that set up are in large quantity, in order to guarantee the test independence to each test point or test area, and in order to avoid the problem that the eyes of the tester work under the whole projection picture of the projection equipment for a long time and lead to impaired vision, here, need shelter from the projection picture of the projection equipment with the help of the device that is in the light, in order to expose the area that needs the test.
In the related art, the light blocking device comprises a support and a light blocking plate which is connected to the support in a sliding mode, the support is provided with a light through port which penetrates through the support, in the testing process, a projection picture of the projection equipment is displayed outwards through the light through port, and a tester adjusts the light blocking plate in a sliding mode to block the light through port so as to block the projection picture.
However, in the related art, the single light barrier is adjusted to block the image only by sliding in a single direction, so that the range of the blocking area of the light barrier to the light through port is limited, the blocking effect of the light barrier is poor, and the test independence of a test area with a small area cannot be ensured.
Therefore, there is a need to provide a new light barrier device to solve the above technical problems.
[ Utility model ] content
An object of the utility model is to provide a light blocking device to the solution shelters from the poor problem of effect.
In order to achieve the above object, the present invention provides a light barrier device, which includes:
the front bracket comprises a first bracket main body, a first slide rail fixed on the first bracket main body and a first light through opening penetrating through the first bracket main body, wherein the first slide rail extends along a first direction and is parallel to one side of the first light through opening;
the first baffle comprises a first main body part and a first sliding part fixed on the first main body part, the first main body part is in sliding connection with the first sliding rail through the first sliding part, and the first main body part can slide relative to the front support along the first direction through the first sliding part so that the first main body part at least partially covers the first light through opening;
the rear support comprises a second support main body, a second slide rail and a second light-passing port, the second slide rail is fixed on one side, far away from the first support main body, of the second support main body, the second light-passing port penetrates through the second support main body, the second support main body is fixed on one side, far away from the first slide rail, of the first support main body, the second slide rail extends along a second direction and is parallel to one side of the second light-passing port, the second light-passing port and the first light-passing port are arranged concentrically, and the second direction is perpendicular to the first direction;
the second baffle comprises a second main body part and a second sliding part fixed on the second main body part, the second main body part is in sliding connection with the second sliding rail through the second sliding part, and the second main body part can slide relative to the rear support along the second direction through the second sliding part, so that the second main body part at least partially covers the second light-passing opening.
Further, the area of the second light passing opening is larger than that of the first light passing opening.
Furthermore, the front bracket further comprises a first fixing plate which is bent and extends from the top end of the first bracket main body to the direction far away from the second bracket main body, the first fixing plate is positioned on one side of the first slide rail far away from the first light through opening and is parallel to the first slide rail, the first fixing plate is provided with a first slide groove which penetrates through the first fixing plate along the second direction, and the first slide groove extends along the first direction; the front support further comprises a first fastening piece, and the first fastening piece penetrates through the first sliding groove and is in threaded connection with the first fixing hole.
Furthermore, the first baffle plate further comprises a first push-pull plate which is bent and extended by the first main body part and used for pushing the first baffle plate to slide along the first direction.
Further, the first slide rail comprises an upper slide rail and a lower slide rail, and the upper slide rail and the lower slide rail are arranged on two opposite sides of the first light through opening at intervals; first sliding part include with go up the slide rail correspond the last sliding part that sets up and with the slide rail corresponds the lower sliding part that sets up down, first main part passes through go up the sliding part with lower sliding part respectively with go up the slide rail with slide rail forms sliding connection down.
Further, the first baffle comprises two baffles, and the two baffles can completely shield the first light passing port.
Furthermore, the rear bracket also comprises a second fixing plate which is bent and extends from the second bracket main body to the direction far away from the first bracket body, the second fixing plate is positioned on one side of the second slide rail far away from the second light through opening, and the second fixing plate is parallel to the second slide rail; the second fixing plate is provided with a second sliding groove penetrating through the second fixing plate along the first direction, and the second sliding groove extends along the second direction; the rear bracket further comprises a second fastening piece, and the second fastening piece penetrates through the second sliding groove and is in threaded connection with the second fixing hole.
Furthermore, the second baffle plate further comprises a second push-pull plate which is bent and extended by the second main body part and used for pushing the second baffle plate to slide along the second direction.
Further, the second slide rail comprises a left slide rail and a right slide rail, and the left slide rail and the right slide rail are arranged on two opposite sides of the second light-passing opening at intervals; the second sliding part comprises a left sliding part and a right sliding part, the left sliding part is arranged corresponding to the left sliding rail, the right sliding part is arranged corresponding to the right sliding rail, and the second main body part is connected with the left sliding rail and the right sliding rail in a sliding mode through the left sliding part and the right sliding part respectively.
Further, the number of the second baffles is two, and the two second baffles can completely shield the second light passing port.
Furthermore, the light blocking device further comprises a bottom plate and a third fastening piece, the front support further comprises a third fixing plate which is bent and extends from the bottom end of the first support main body to a direction far away from the second support main body, a third sliding groove penetrating through the third fixing plate is formed in the third fixing plate along the second direction, the third sliding groove extends along the third direction, the third direction is perpendicular to the first direction and the second direction respectively, and the third fastening piece penetrates through the third sliding groove and is in threaded connection with the bottom plate.
Furthermore, the fore-stock still include by first support main part is to keeping away from the strengthening rib that the direction of second support main part is buckled and is extended, the strengthening rib with first fixed plate mutually perpendicular, just the strengthening rib with third fixed plate fixed connection.
Compared with the prior art, in the light blocking device of the present invention, the first main body part forms a sliding connection with the first slide rail through the first sliding part, the first main body part can slide relative to the front bracket along the first direction through the first sliding part, so that the first main body part at least partially covers the first light passing opening, the second main body part forms a sliding connection with the second slide rail through the second sliding part, the second main body part can slide relative to the rear bracket along the second direction through the second sliding part, so that the second main body part at least partially covers the second light passing opening; in the structure, through the cooperative arrangement of the first baffle and the second baffle, in the actual test, the light blocking device can respectively shield the projection picture of the projection equipment along the first direction and the second direction, namely multidirectional shielding of the projection picture is realized, the adjusting range of shielding the projection picture by the light blocking device is enlarged, the shielding effect is good, and the test independence and the simple structure of the finely divided test area are ensured, so that the cost is low.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of the light barrier of the present invention;
fig. 2 is a schematic perspective view of another angle of the light blocking device of the present invention;
FIG. 3 is a schematic perspective view of the front bracket of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the rear bracket of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a light barrier 100, which includes a front bracket 1, a first baffle 2, a rear bracket 3 and a second baffle 4.
The front bracket 1 comprises a first bracket main body 11 and a first slide rail 12 fixed on the first bracket main body 11; the first bracket body 11 is provided with a first light passing opening 110 penetrating through the first bracket body, and the first slide rail 12 extends along a first direction (i.e. an X-axis direction) and is parallel to one side of the first light passing opening 110.
The first baffle 2 includes a first main body 21 and a first sliding portion 22 fixed to the first main body 21, and the first main body 21 is slidably connected to the first slide rail 12 through the first sliding portion 22.
The first main body 21 can slide along the first direction relative to the front bracket 1 through the first sliding portion 22 to adjust the relative position between the first main body 21 and the first light passing opening 110, so that the first main body 21 at least partially covers the first light passing opening 110, i.e. the first main body 21 partially covers the first light passing opening 110, or completely falls outside the range of the first light passing opening 110.
Further, in order to improve the reliability of fixing the adjusted first baffle 2 and the front bracket 1, the front bracket 1 further includes a first fixing plate 13 bent and extended from the top end of the first bracket main body 11, the first fixing plate 13 is located on one side of the first slide rail away from the first light passing port and is parallel to the first slide rail 12, the first fixing plate 13 is provided with a first sliding groove 130 penetrating through the first fixing plate along a second direction (i.e., a Z-axis direction), and the first sliding groove 130 extends along the first direction; a first fixing hole (not shown) is formed at an end of the first main body portion 21 close to the first fixing plate 13, and the front bracket 1 further includes a first fastening member (not shown) passing through the first sliding groove 130 and threadedly coupled to the first fixing hole.
When the relative position between the first baffle plate 2 and the front bracket 1 is adjusted, the first fastening piece is loosened, and can slide in the first sliding groove 130 along the first direction along with the first baffle plate 2, and after the position adjustment of the first baffle plate 2 is completed, the first fastening piece is screwed down to lock the first baffle plate 2 on the first fixing plate 13, so that the positioning between the first baffle plate 2 and the front bracket 1 is realized.
Preferably, the first baffle 2 further comprises a first push-pull plate 23 extending from the first main body 21, and the first push-pull plate 23 is configured to push the first baffle 2 to slide along the first direction, so that the adjustment of the relative position of the first baffle 2 is facilitated.
Preferably, the first slide rail 12 includes an upper slide rail 121 and a lower slide rail 122, and the upper slide rail 121 and the lower slide rail 122 are disposed at two opposite sides of the first light passing opening 110 at an interval; the first sliding portion 22 includes an upper sliding portion 221 disposed corresponding to the upper slide rail 121 and a lower sliding portion 222 disposed corresponding to the lower slide rail 122, the first body portion 21 is slidably connected to the upper slide rail 121 and the lower slide rail 122 through the upper sliding portion 221 and the lower sliding portion 222, respectively, an outer cylindrical surface of the upper sliding portion 221 is in close contact with the upper guide rail 121, and an outer cylindrical surface of the lower sliding portion 222 is in close contact with the lower guide rail 122; through the matching arrangement of the upper sliding part 221 and the upper sliding rail 121 and the matching arrangement of the lower sliding part 222 and the lower sliding rail 122, the supporting stability between the front bracket 1 and the first baffle 2 is effectively increased, and the reliability of relative sliding between the two is further improved.
It should be noted that the number of the first baffles 2 is not limited, and specific settings may be performed according to actual test requirements, for example, in the present embodiment, the first baffles 2 include two baffles, the relative positions of the two baffles 2 are cooperatively adjusted to shield the first light passing port 110, the two baffles 2 are separated from each other or abut against each other, and when the two baffles abut against each other, the first light passing port 110 may be completely shielded.
The rear bracket 3 comprises a second bracket main body 31 and a second slide rail 32 fixed on the second bracket main body, wherein the second bracket main body 31 is provided with a second light-passing port 310 which penetrates through the second bracket main body and is concentrically arranged with the first light-passing port 110; the second bracket body 31 is fixed at one end of the first bracket body 11, which is far away from the first slide rail 12, and the first fixing plate 13 and the first guide rail 12 extend along a direction far away from the second bracket body 31.
The second slide rail 32 extends along a second direction (i.e., a Z-axis direction) perpendicular to the first direction and parallel to one side of the second light-passing opening 310.
For example, in the present embodiment, the first light passing port 110 and the second light passing port 310 are both rectangular, and the shape of the first light passing port 110 and the second light passing port can be better matched with the shape of the projection screen of the projection apparatus.
Preferably, in order to avoid the second light-passing port 310 blocking the first light-passing port 110, as a preferred embodiment, the area of the second light-passing port 310 is larger than the area of the first light-passing port 110, so as to ensure that the projection image passing through the first light-passing port 110 can also completely pass through the second light-passing port 310.
The second baffle 4 includes a second main body portion 41 and a second sliding portion 42 fixed to the second main body portion 41, the second main body portion 41 forms a sliding connection with the second slide rail 32 through the second sliding portion 42, and the second main body portion 41 can slide relative to the rear bracket 3 along the second direction through the second sliding portion 42 to adjust a relative position between the second main body portion 41 and the second light-passing opening 310, so that the second main body portion 41 at least partially covers the second light-passing opening 310, that is, the second main body portion 41 partially covers the second light-passing opening 310, or completely falls outside the range of the second light-passing opening 310.
Further, in order to improve the reliability of fixing the adjusted second baffle 4 and the rear bracket 3, the rear bracket 3 further includes a second fixing plate 33 bent and extended from the second bracket main body 31 to a direction away from the first bracket body, the second fixing plate 33 is located on a side of the second slide rail away from the second light-passing opening, and the second fixing plate 33 is parallel to the second slide rail 32; the second fixing plate 33 is provided with a second sliding slot 330 extending through the second fixing plate along the first direction, and the second sliding slot 330 extends along the second direction; a second fixing hole (not shown) is formed at one end of the second main body portion 41 close to the second fixing plate 33, and the rear bracket 3 further includes a second fastening member 34, wherein the second fastening member 34 passes through the second sliding slot 330 and is in threaded connection with the second fixing hole.
When the relative position between the second baffle 4 and the rear bracket 3 is adjusted, the second fastening piece 34 is loosened, the second fastening piece can slide in the second sliding groove 330 along the second direction along with the second baffle 4, and after the position adjustment of the second baffle 4 is completed, the second fastening piece 34 is screwed down to lock the second baffle 4 on the second fixing plate 33, so that the positioning between the second baffle 4 and the rear bracket 3 is realized. Preferably, the second baffle 4 further includes a second push-pull plate 43 extending from the second body portion 31, and the second push-pull plate 43 is configured to push the second baffle 4 to slide along the second direction, so that the adjustment of the relative position of the second baffle 4 is facilitated.
Preferably, the second slide rail 32 includes a left slide rail 321 and a right slide rail 322, and the left slide rail 321 and the right slide rail 322 are disposed at two opposite sides of the second light passing opening 310 at intervals; the second sliding portion 42 includes a left sliding portion 421 corresponding to the left sliding rail 321 and a right sliding portion 422 corresponding to the right sliding rail 322, the second body portion 41 forms a sliding connection with the left sliding rail 321 and the right sliding rail 322 through the left sliding portion 421 and the right sliding portion 422, respectively, an outer cylindrical surface of the left sliding portion 421 is in close contact with the left guiding rail 321, and an outer cylindrical surface of the right sliding portion 422 is in close contact with the right guiding rail 322; through the matching arrangement of the left sliding part 421 and the left sliding rail 321 and the matching arrangement of the right sliding part 422 and the right sliding rail 322, the supporting stability between the rear bracket 3 and the second baffle 4 is effectively increased, so that the reliability of relative sliding between the two is further improved.
It should be mentioned that the number of the second baffles 4 is not limited, and the specific setting may be performed according to the actual test requirement, for example, in the embodiment, the second baffles 4 include two, the relative position of the two second baffles 4 is cooperatively adjusted along the second direction to shield the second light passing port 310, the two second baffles 4 are separated from or abutted against each other, and when the two second baffles are abutted against each other, the second light passing port 310 may be completely shielded.
In the structure, through the arrangement of the first baffle 2 and the second baffle 4, in an actual test, the positions of the first baffle 2 and the second baffle 4 are cooperatively adjusted, so that stray light around a main projection beam is effectively blocked, the reliability of the test on the projection performance of the projection equipment is ensured, meanwhile, the light blocking device 100 can block projection pictures of the projection equipment along the first direction and the second direction, that is, multidirectional blocking of the projection pictures is realized, the adjustment range of the light blocking device for blocking the projection pictures is enlarged, the blocking effect is good, the test independence of a finely divided test area is ensured, the structure is simple, and the cost is low.
It should be noted that, in practical use, in order to facilitate mounting of a projection device (not shown) on the light barrier 100 for testing, in the present embodiment, the light barrier 100 further includes a bottom plate 5 for mounting the projection device and a third fastening member (not shown).
The front bracket 1 further comprises a third fixing plate 14 which is bent and extends from the bottom end of the first bracket main body 11 to a direction far away from the second bracket main body, the third fixing plate 14 is provided with a third sliding groove 140 penetrating through the third fixing plate in the second direction, the third sliding groove 140 extends in a third direction (namely, the Y-axis direction), and the third direction is perpendicular to the first direction and the second direction respectively. The bottom plate 5 is disposed on one side of the front bracket 1 far away from the rear bracket 3, and the projection device is mounted on the bottom plate 5, and a projection image of the projection device is projected toward the first light passing opening 110, passes through the second light passing opening 310, and is in threaded connection with the bottom plate 5 through the third sliding groove 140 by the third fastener.
When the relative position between the front bracket 1 and the bottom plate 5 is adjusted, the third fastening member is loosened, and can slide in the third sliding groove 140 along the third direction along with the third front bracket 1, so as to adjust the relative position between the first light passing port 110 and the second light passing port 310 and the projection device, and after the position adjustment of the front bracket 1 is completed, the third fastening member is tightened, so as to lock the front bracket 1 on the bottom plate 5, thereby realizing the positioning between the front bracket 1 and the bottom plate 5.
Through the arrangement of the third sliding chute 140, the relative position between the bottom plate 5 and the front support 1 is continuously adjustable, and through the adjustment of the relative position between the bottom plate 5 and the front support 1, a projection picture with a more regular shape can be obtained, so that the light blocking device 100 can achieve a better light blocking effect, thereby preventing the projection picture from being irregular to influence normal test work, and better ensuring the reliability of the test on the projection equipment; meanwhile, the light blocking device can better adapt to lenses with different light emitting angles and even projection pictures projected by different projection equipment, and the applicability of the light blocking device 100 is improved.
Preferably, the front bracket 1 further includes a reinforcing rib 15 bent and extended from the first bracket main body 11 to a direction away from the second bracket main body 31, the reinforcing rib 15 is perpendicular to the first fixing plate 13, and the reinforcing rib 15 is fixedly connected to the third fixing plate 14; through the arrangement of the reinforcing ribs 15, the strength and rigidity of the front support 1 are effectively enhanced, and the fixing reliability of the front support 1 and the bottom plate 5 is further improved.
Compared with the prior art, in the light blocking device of the present invention, the first main body part forms a sliding connection with the first slide rail through the first sliding part, the first main body part can slide relative to the front bracket along the first direction through the first sliding part and can make the first main body part at least partially cover the first light passing port, the second main body part forms a sliding connection with the second slide rail through the second sliding part, the second main body part can slide relative to the rear bracket along the second direction through the second sliding part and can make the second main body part at least partially cover the second light passing port; in the structure, through the arrangement of the first baffle and the second baffle, in the actual test, the light blocking device can block the projection picture of the projection equipment along the first direction and the second direction, namely multidirectional blocking of the projection picture is realized, the adjusting range of blocking the projection picture by the light blocking device is enlarged, the blocking effect is good, and the test independence and the simple structure of the finely divided test area are guaranteed, and the cost is low.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (12)
1. A light barrier, comprising:
the front bracket comprises a first bracket main body, a first slide rail fixed on the first bracket main body and a first light through opening penetrating through the first bracket main body, wherein the first slide rail extends along a first direction and is parallel to one side of the first light through opening;
the first baffle comprises a first main body part and a first sliding part fixed on the first main body part, the first main body part is in sliding connection with the first sliding rail through the first sliding part, and the first main body part can slide relative to the front support along the first direction through the first sliding part so that the first main body part at least partially covers the first light through opening;
the rear support comprises a second support main body, a second slide rail and a second light-passing port, the second slide rail is fixed on one side, far away from the first support main body, of the second support main body, the second light-passing port penetrates through the second support main body, the second support main body is fixed on one side, far away from the first slide rail, of the first support main body, the second slide rail extends along a second direction and is parallel to one side of the second light-passing port, the second light-passing port and the first light-passing port are arranged concentrically, and the second direction is perpendicular to the first direction;
the second baffle comprises a second main body part and a second sliding part fixed on the second main body part, the second main body part is in sliding connection with the second sliding rail through the second sliding part, and the second main body part can slide relative to the rear support along the second direction through the second sliding part, so that the second main body part at least partially covers the second light-passing opening.
2. The light barrier of claim 1, wherein the area of the second light admission port is greater than the area of the first light admission port.
3. The light barrier device according to claim 2, wherein the front bracket further comprises a first fixing plate extending from the top end of the first bracket main body in a bending manner in a direction away from the second bracket main body, the first fixing plate is located on one side of the first slide rail away from the first light passing port and is parallel to the first slide rail, the first fixing plate is provided with a first slide groove extending therethrough in the second direction, and the first slide groove extends in the first direction; the front support further comprises a first fastening piece, and the first fastening piece penetrates through the first sliding groove and is in threaded connection with the first fixing hole.
4. The light barrier of claim 3, wherein the first barrier further comprises a first push-pull plate extending from the first body portion and bent to push the first barrier to slide along the first direction.
5. The light barrier device according to claim 3, wherein the first slide rail comprises an upper slide rail and a lower slide rail, and the upper slide rail and the lower slide rail are arranged at intervals on two opposite sides of the first light passing opening; first sliding part include with go up the slide rail correspond the last sliding part that sets up and with the slide rail corresponds the lower sliding part that sets up down, first main part passes through go up the sliding part with lower sliding part respectively with go up the slide rail with slide rail forms sliding connection down.
6. The light barrier according to claim 5, wherein said first barrier comprises two, and said first barrier can completely block said first light passing opening.
7. The light barrier device according to claim 2, wherein the rear bracket further comprises a second fixing plate extending from the second bracket main body in a direction away from the first bracket main body, the second fixing plate is located on a side of the second slide rail away from the second light-passing opening, and the second fixing plate is parallel to the second slide rail; the second fixing plate is provided with a second sliding groove penetrating through the second fixing plate along the first direction, and the second sliding groove extends along the second direction; the rear bracket further comprises a second fastening piece, and the second fastening piece penetrates through the second sliding groove and is in threaded connection with the second fixing hole.
8. The light barrier of claim 7, wherein the second barrier further comprises a second push-pull plate extending from the second body portion and bent to push the second barrier to slide along the second direction.
9. The light barrier of claim 7, wherein the second slide rail comprises a left slide rail and a right slide rail, and the left slide rail and the right slide rail are arranged at two opposite sides of the second light passing opening at intervals; the second sliding part comprises a left sliding part and a right sliding part, the left sliding part is arranged corresponding to the left sliding rail, the right sliding part is arranged corresponding to the right sliding rail, and the second main body part is connected with the left sliding rail and the right sliding rail in a sliding mode through the left sliding part and the right sliding part respectively.
10. The light barrier according to claim 8, wherein the second barrier comprises two, and two of the second barriers completely block the second light passing port.
11. The light barrier device according to claim 3, wherein the light barrier device further comprises a bottom plate and a third fastening member, the front bracket further comprises a third fixing plate extending from the bottom end of the first bracket body to a direction away from the second bracket body, the third fixing plate is provided with a third sliding slot extending therethrough along the second direction, the third sliding slot extends along a third direction, the third direction is perpendicular to the first direction and the second direction, and the third fastening member passes through the third sliding slot and is in threaded connection with the bottom plate.
12. The light barrier device of claim 11, wherein the front bracket further comprises a rib extending from the first bracket main body in a direction away from the second bracket main body, the rib is perpendicular to the first fixing plate, and the rib is fixedly connected to the third fixing plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922479181.1U CN211478842U (en) | 2019-12-31 | 2019-12-31 | Light blocking device |
| PCT/CN2020/137088 WO2021135959A1 (en) | 2019-12-31 | 2020-12-17 | Light blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922479181.1U CN211478842U (en) | 2019-12-31 | 2019-12-31 | Light blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211478842U true CN211478842U (en) | 2020-09-11 |
Family
ID=72359898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922479181.1U Active CN211478842U (en) | 2019-12-31 | 2019-12-31 | Light blocking device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211478842U (en) |
| WO (1) | WO2021135959A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135959A1 (en) * | 2019-12-31 | 2021-07-08 | 深圳光峰科技股份有限公司 | Light blocking device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5738428A (en) * | 1996-12-31 | 1998-04-14 | Eastman Kodak Company | Formatting projector |
| CN102156351A (en) * | 2011-04-22 | 2011-08-17 | 铭铉（江西）医疗净化科技有限公司 | Medicinal film viewing lamp box |
| CN204557041U (en) * | 2015-03-20 | 2015-08-12 | 深圳市环球数码创意科技有限公司 | A kind of projector's shading baffle and projector |
| CN205550760U (en) * | 2016-04-20 | 2016-09-07 | 瑞华高科技电子工业园(厦门)有限公司 | Spot -gluing jig |
| CN108896191A (en) * | 2018-08-03 | 2018-11-27 | 烟台艾睿光电科技有限公司 | A kind of diaphragm and infrared thermal imager for infrared thermal imager |
| CN208571212U (en) * | 2018-08-06 | 2019-03-01 | 江苏国源激光智能装备制造有限公司 | Laser tube adjustment frame |
| CN208847971U (en) * | 2018-11-06 | 2019-05-10 | 黄学勇 | It is a kind of for adjusting the device of viewbox watch window size |
| CN211478842U (en) * | 2019-12-31 | 2020-09-11 | 深圳光峰科技股份有限公司 | Light blocking device |
-
2019
- 2019-12-31 CN CN201922479181.1U patent/CN211478842U/en active Active
-
2020
- 2020-12-17 WO PCT/CN2020/137088 patent/WO2021135959A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021135959A1 (en) * | 2019-12-31 | 2021-07-08 | 深圳光峰科技股份有限公司 | Light blocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021135959A1 (en) | 2021-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10198978B2 (en) | Viewing optics test subsystem for head mounted displays | |
| CN211478842U (en) | Light blocking device | |
| CN207968590U (en) | Camera module and shield mobile terminal comprehensively | |
| CN210514530U (en) | Sample comparison device for acquisition terminal and electric energy meter | |
| US7172305B2 (en) | Magnifier having slideably mounted camera | |
| EP2790056A2 (en) | Display device comprising backlight with clustered light sources | |
| CN206281788U (en) | A kind of test system of board to board connector | |
| CN103854566B (en) | Display device and slim TV device | |
| US11448888B2 (en) | Detection light source module and detection device | |
| CN109215510A (en) | Flexible display apparatus and its backlight module | |
| CN207070210U (en) | Back projection display apparatus | |
| CN214501110U (en) | Light guide piece, light guide installation assembly and mirror device | |
| CN110324440A (en) | Camera module, comprehensively screen mobile terminal and image processing method | |
| CN207246825U (en) | A kind of machine assembly vision light source | |
| CN209247162U (en) | A kind of type three-D optical fiber regulation frame for spectra collection | |
| CN108039130A (en) | A kind of LED display module bearing structure with climbing frame | |
| CN209247646U (en) | A kind of test fixture | |
| CN104865267A (en) | Photographing detection component | |
| CN209265886U (en) | Flexible display apparatus and its backlight module | |
| CN207362229U (en) | A kind of genetic chip video camera | |
| DE4305329A1 (en) | Determination of the dimensions of an object | |
| JP2966566B2 (en) | Liquid crystal panel mounting device in optical equipment | |
| CN211454832U (en) | Think political affairs class on-line education projecting apparatus with adjustable | |
| CN217179537U (en) | Visual detection device | |
| CN114967024A (en) | High-precision optical lens eccentricity adjusting structure and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |