CN203490422U - Multifunctional spacing plate used for stepping aperture - Google Patents
Multifunctional spacing plate used for stepping aperture Download PDFInfo
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- CN203490422U CN203490422U CN201320630427.0U CN201320630427U CN203490422U CN 203490422 U CN203490422 U CN 203490422U CN 201320630427 U CN201320630427 U CN 201320630427U CN 203490422 U CN203490422 U CN 203490422U
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- Prior art keywords
- limiting plate
- plate body
- hole
- spacing plate
- printing opacity
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a multifunctional spacing plate used for a stepping aperture. A spacing plate body is installed over blades, spacing plate guiding through grooves in the spacing plate body can prevent gear rotating disk guiding axles form disengaging cooperation with blade guiding grooves, and pedestal stepped short axles and spacing plate connecting holes are in a fit mode that interference fit and clearance fit are combined in order to reduce processing cost. The front side of the spacing plate body is provided with spacing plate positioning projections which are used for being matched with pedestal cover plate positioning grooves and preventing the spacing plate connecting holes from disengaging cooperation with the pedestal stepped short axles, the back side of the spacing plate body is provided with spacing plate spacing projections used for preventing a gear rotating disk form disengaging cooperation with a pedestal, and the back side of the spacing plate body is also provided with a spacing plate recessed cavity used for accommodating the blades and providing accurate movable space to the blades. According to the utility model, that the blades in the stepping aperture can move smoothly is effectively guaranteed, all the components are well matched with each other, and the multifunctional spacing plate used for the stepping aperture is advantaged by simple structure.
Description
[technical field]
The utility model relates to limiting plate, especially a kind of Multifunction position limiting plate for stepping aperture.
[background technology]
In the design of stepping aperture, stepping aperture profile is narrow and small, precise structure, and blade and other movable part all need to carry out spacing, the activity of blade will be tried one's best in one plane especially, but also will guarantee can not cause frictional impact because of mutually moving between blade.Therefore, the activity space of blade is a key factor of stepping aperture, conventionally the activity space of blade is a bit larger tham the thickness of the overlapping number of blade when maximum, when the overlapping number of blade is more, keep for the activity space of blade will get over large space, when blade headspace is too little, between blade, will cause frictional impact, cause deformable blade; Excessive when blade headspace, blade movement can be uneven.So realize the smooth and easy of blade oscillating, just need an accurate position limiting structure.
The utility model is researched and proposed for the deficiencies in the prior art.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of Multifunction position limiting plate for stepping aperture, limiting plate body is arranged on the top of blade, on limiting plate body, be provided with and can prevent that the gear turntable axis of guide from departing from blade gathering sill the limiting plate guide groove coordinating, limiting plate body is provided with several limiting plate connecting holes for being connected with base ladder minor axis, the fit system that limiting plate connecting hole adopts interference fit and clearance fit to combine with base ladder minor axis, to cut down finished cost, limiting plate body front is provided with the limiting plate positioning convex for coordinating with base cover plate locating slot, the back side of limiting plate body is provided with for preventing that gear turntable from departing from base the limiting plate spacing preiection coordinating, at the back side of limiting plate body, be also provided with and provide the limiting plate cavity of accurate activity space for what hold blade for blade, the utility model can effectively guarantee that the activity of stepping aperture Leaf is smooth and easy, being connected between each part is good, there is feature simple in structure.
For solving the problems of the technologies described above, the utility model, adopts following technical scheme:
A kind of Multifunction position limiting plate for stepping aperture of the utility model, comprise limiting plate body, described limiting plate body is provided with limiting plate printing opacity through hole, on described limiting plate body, be also provided with the limiting plate guide groove that the gear turntable axis of guide for on gear turntable of circular array coordinates centered by limiting plate printing opacity through hole, described limiting plate body be provided with several for base on the limiting plate connecting through hole that is connected of base ladder minor axis, the back side of described limiting plate body is provided with for holding the limiting plate cavity of blade, the described limiting plate body back side is provided with the limiting plate spacing preiection for preventing that gear turntable and base from departing from.
Described limiting plate body front is provided with the limiting plate positioning convex coordinating for the base cover plate locating slot with on base cover plate, and described limiting plate printing opacity through hole is positioned at limiting plate cavity center.
Described limiting plate positioning convex is arc convex, and arc convex is concentric with limiting plate printing opacity through hole, and arc convex circular array centered by limiting plate printing opacity through hole is distributed on the front of limiting plate body.
Described limiting plate connecting through hole circular array centered by limiting plate printing opacity through hole is distributed on limiting plate body.
Described limiting plate spacing preiection circular array centered by limiting plate printing opacity through hole is distributed on the back side of limiting plate body.
Described limiting plate guide groove is arc-shaped slot, and arc-shaped slot is concentric with limiting plate printing opacity through hole.
Described limiting plate body is regular polygon or rounded.
The fit system that limiting plate connecting through hole on described limiting plate body adopts interference fit to combine with clearance fit with base ladder minor axis.
A kind of Multifunction position limiting plate for stepping aperture of the utility model, limiting plate body is arranged on the top of blade, on limiting plate body, be provided with and can prevent that the gear turntable axis of guide from departing from blade gathering sill the limiting plate guide groove coordinating, limiting plate body is provided with several limiting plate connecting holes for being connected with base ladder minor axis, the fit system that base ladder minor axis adopts interference fit to combine with clearance fit with limiting plate connecting hole, to cut down finished cost, limiting plate body front is provided with limiting plate positioning convex, limiting plate positioning convex is for coordinating with base cover plate locating slot, prevent that limiting plate connecting hole from departing from and coordinating with base ladder minor axis, the back side of limiting plate body is provided with for preventing that gear turntable from departing from base the limiting plate spacing preiection coordinating, at the back side of limiting plate body, be also provided with and provide the limiting plate cavity of accurate activity space for what hold blade for blade, the utility model can effectively guarantee that the activity of stepping aperture Leaf is smooth and easy, being connected between each part is good, there is feature simple in structure.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is that the utility model is applied in the structural representation in stepping aperture.
Fig. 2 is the inner structure schematic diagram that the utility model is applied in stepping aperture.
Fig. 3 is one of the utility model explosive view in stepping aperture.
Fig. 4 is two of the explosive view of the utility model in stepping aperture.
Fig. 5 is the structural representation in the utility model front.
Fig. 6 is the structural representation at the utility model back side.
Fig. 7 is the structural representation of base in stepping aperture.
Fig. 8 is the structural representation of base cover plate in stepping aperture.
Fig. 9 is the structural representation of stepping aperture Leaf.
[embodiment]
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
A kind of Multifunction position limiting plate for stepping aperture of the utility model, limiting plate body 1 is provided with limiting plate printing opacity through hole 11, limiting plate printing opacity through hole 11 is positioned at limiting plate cavity 16 centers, limiting plate guide groove 12 circular array setting centered by limiting plate printing opacity through hole 11, limiting plate guide groove 12 is arc-shaped slot, this arc-shaped slot is concentric with limiting plate printing opacity through hole 11, limiting plate guide groove 12, for matching with the gear turntable axis of guide 21 on gear turntable 2, prevents that blade gathering sill 52 from departing from and coordinating with the gear turntable axis of guide 21, gear turntable 2 is provided with gear turntable light hole 22, gear turntable light hole 22 coordinates with the base boss 35 on base 3, on base 3, along base boss 35, be circumferentially with for holding the base cavity 37 of gear turntable 2, in the middle of base boss 35, be provided with base light hole 36, gear turntable 2 limits are provided with the sector tooth block 23 with transmission gear 62 engagements, sector tooth block 23 is integrated and is connected with gear turntable 2, transmission gear 62 is connected with the gear shaft 31 on base 3, transmission gear 62 is duplicate gear, drive motor 6 is connected with base 3 by connecting plate for electric motor 63, the output terminal of drive motor 6 is connected with the driven wheel 61 with transmission gear 62 engagements, on sector tooth block 23, be provided with toothed disc gathering sill 24, limiting plate body 1 is provided with several limiting plate connecting through holes 13, limiting plate connecting through hole 13 is connected with the base ladder minor axis 31 on base 3, the back side of limiting plate body 1 is provided with for holding the limiting plate cavity 16 of blade 5, described limiting plate body 1 back side is provided with for preventing that gear turntable 2 from departing from base 3 the limiting plate spacing preiection 15 coordinating.
Limiting plate spacing preiection 15 circular array centered by limiting plate printing opacity through hole 11 is distributed on the back side of limiting plate body 1, limiting plate spacing preiection 15 and gear turntable 2 sliding contacts, and prevent that the gear turntable light hole 22 of gear turntable 2 from coordinating with base boss 35 disengagings, reliable while guaranteeing gear turntable 2 work.
Limiting plate body 1 front is provided with the limiting plate positioning convex 14 coordinating for the base cover plate locating slot 41 with on base cover plate 4, base cover plate 4 is pushed down limiting plate positioning convex 14 makes limiting plate body 1 fixing, limiting plate positioning convex 14 is arc convex, arc convex is concentric with limiting plate printing opacity through hole 11, arc convex circular array centered by limiting plate printing opacity through hole 11 is distributed on the front of limiting plate body 1, and base cover plate locating slot 41 is corresponding being made as deep-slotted chip breaker also.
Base cover plate 4 sides are provided with junction button 43, and base 3 sides are provided with button hole 32, and junction button 43 coordinates with button hole 32 makes base 3 and base cover plate 4 for being detachably connected, and is also provided with base cover plate light hole 42 on base cover plate 4.
When assembling is used, base light hole 36, limiting plate printing opacity through hole 11, gear turntable light hole 22, base upper cover light hole 42 and the controlled diaphragm hole 53 being formed by some blades 5 are concentric, limiting plate connecting through hole 13 circular array centered by limiting plate printing opacity through hole 11 is distributed on limiting plate body 1, base ladder minor axis 31 circular array centered by base light hole 36 matching with limiting plate connecting through hole 13 is distributed on base 3, 13 of limiting plate connecting through holes divide and coordinate with the minor diameter part of base ladder minor axis 31, the blade connecting hole 51 of blade 5 coordinates with the large diameter portion of base ladder minor axis 31, 1 pair of blade 5 of limiting plate body direction that moves upward plays position-limiting action, simultaneously can be by setting the length of the large diameter portion of base ladder minor axis 31, to adjust the activity space of blade 5.
For cutting down finished cost, the fit system that the limiting plate connecting through hole 13 on limiting plate body 1 partly adopts interference fit to combine with clearance fit with the path of base ladder minor axis 31.
Limiting plate body 1 of the present utility model is regular hexagon, also can adopt other regular polygons or rounded.
Claims (8)
1. the Multifunction position limiting plate for stepping aperture, it is characterized in that comprising limiting plate body (1), described limiting plate body (1) is provided with limiting plate printing opacity through hole (11), on described limiting plate body (1), be also provided with the limiting plate guide groove (12) that the gear turntable axis of guide (21) for on gear turntable (2) of circular array coordinates centered by limiting plate printing opacity through hole (11), described limiting plate body (1) be provided with several for base (3) on the limiting plate connecting through hole (13) that is connected of base ladder minor axis (31), the back side of described limiting plate body (1) is provided with for holding the limiting plate cavity (16) of blade (5), described limiting plate body (1) back side is provided with the limiting plate spacing preiection (15) for preventing that gear turntable (2) and base (3) from departing from.
2. a kind of Multifunction position limiting plate for stepping aperture according to claim 1, it is characterized in that described limiting plate body (1) front is provided with the limiting plate positioning convex (14) coordinating for the base cover plate locating slot (41) with on base cover plate (4), described limiting plate printing opacity through hole (11) is positioned at limiting plate cavity (16) center.
3. according to a kind of Multifunction position limiting plate for stepping aperture described in claim 1 or 2, it is characterized in that described limiting plate positioning convex (14) is arc convex, arc convex is concentric with limiting plate printing opacity through hole (11), and arc convex circular array centered by limiting plate printing opacity through hole (11) is distributed on the front of limiting plate body (1).
4. a kind of Multifunction position limiting plate for stepping aperture according to claim 3, is characterized in that described limiting plate connecting through hole (13) circular array centered by limiting plate printing opacity through hole (11) is distributed on limiting plate body (1).
5. a kind of Multifunction position limiting plate for stepping aperture according to claim 4, is characterized in that described limiting plate spacing preiection (15) circular array centered by limiting plate printing opacity through hole (11) is distributed on the back side of limiting plate body (1).
6. a kind of Multifunction position limiting plate for stepping aperture according to claim 5, is characterized in that described limiting plate guide groove (12) is arc-shaped slot, and arc-shaped slot is concentric with limiting plate printing opacity through hole (11).
7. a kind of Multifunction position limiting plate for stepping aperture according to claim 6, is characterized in that described limiting plate body (1) is regular polygon or rounded.
8. a kind of Multifunction position limiting plate for stepping aperture according to claim 1, is characterized in that the fit system that the limiting plate connecting through hole (13) on described limiting plate body (1) adopts interference fit to combine with clearance fit with base ladder minor axis (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630427.0U CN203490422U (en) | 2013-10-12 | 2013-10-12 | Multifunctional spacing plate used for stepping aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630427.0U CN203490422U (en) | 2013-10-12 | 2013-10-12 | Multifunctional spacing plate used for stepping aperture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203490422U true CN203490422U (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320630427.0U Expired - Lifetime CN203490422U (en) | 2013-10-12 | 2013-10-12 | Multifunctional spacing plate used for stepping aperture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203490422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932895A (en) * | 2015-12-31 | 2017-07-07 | 韩华泰科株式会社 | Light amount control apparatus |
| CN107664907A (en) * | 2016-07-29 | 2018-02-06 | 精工爱普生株式会社 | Light modulating device and projecting apparatus |
| CN108663797A (en) * | 2018-05-09 | 2018-10-16 | 哈尔滨工业大学 | A kind of slit iris diaphgram being oriented to based on air supporting |
-
2013
- 2013-10-12 CN CN201320630427.0U patent/CN203490422U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932895A (en) * | 2015-12-31 | 2017-07-07 | 韩华泰科株式会社 | Light amount control apparatus |
| CN106932895B (en) * | 2015-12-31 | 2020-10-09 | 韩华泰科株式会社 | Light quantity adjusting device |
| CN107664907A (en) * | 2016-07-29 | 2018-02-06 | 精工爱普生株式会社 | Light modulating device and projecting apparatus |
| CN107664907B (en) * | 2016-07-29 | 2021-05-11 | 精工爱普生株式会社 | Light modulation device and projector |
| CN108663797A (en) * | 2018-05-09 | 2018-10-16 | 哈尔滨工业大学 | A kind of slit iris diaphgram being oriented to based on air supporting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee after: UNION OPTECH Co.,Ltd. Address before: 528400 Guangdong province Zhongshan Dongli Torch Development Zone torch joint electronic city building A3 Patentee before: UNION OPTECH Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |