CN211043913U - Dustproof cinema projector lens - Google Patents
Dustproof cinema projector lens Download PDFInfo
- Publication number
- CN211043913U CN211043913U CN201922359887.4U CN201922359887U CN211043913U CN 211043913 U CN211043913 U CN 211043913U CN 201922359887 U CN201922359887 U CN 201922359887U CN 211043913 U CN211043913 U CN 211043913U
- Authority
- CN
- China
- Prior art keywords
- fixed
- fixedly connected
- dust
- fixed sleeve
- sleeve
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 claims abstract description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 19
- 238000007789 sealing Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Landscapes
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
The utility model belongs to the technical field of projector equipment, especially, be a dust-protection type cinema projector camera lens, including the projection organism, the first fixing sleeve of inner wall fixedly connected with of projection organism, first fixing sleeve's inner wall sliding connection has the second fixing sleeve, second fixing sleeve's inner wall sliding connection has the third fixing sleeve, third fixing sleeve's inner wall sliding connection has the fourth fixing sleeve. The utility model discloses a cooperation between the first fixed sleeve, second fixed sleeve, third fixed sleeve, fourth fixed sleeve, fixed frame and the dust guard that set up for also can be fine when the camera lens main part is focused on prevent dust to it, avoided when the focus of adjustment camera lens main part, lead to unable dustproof, influence the dustproof effect of camera lens main part, cause the camera lens main part to get into the dust, thereby take place to damage, cause unnecessary trouble and loss.
Description
Technical Field
The utility model relates to a projector equipment technical field specifically is a dust-protection type cinema projector camera lens.
Background
The dustproof sealing of the lens part of the current cinema projector is a rubber sealing sleeve which is commonly used, one end of the rubber sealing sleeve is fixed on a machine frame or a machine cabinet, and the other end of the rubber sealing sleeve is fixed on a lens, so that the dustproof sealing effect is achieved.
However, the following problems exist:
1. when the dustproof lens is used, if the focal length of the lens needs to be adjusted, the dustproof cannot be carried out, and the dustproof effect of the lens is influenced;
2. under the condition of long-time use, more dust is easily attached to the dustproof net, the existing disassembly is troublesome, and the projection effect of the lens is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a dust-protection type cinema projector camera lens has solved and can't carry out the adjustment volume according to the focus of camera lens, changes the comparatively trouble problem of abluent time.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dust-protection type cinema projector camera lens, includes the projection organism, the first fixed sleeve of inner wall fixedly connected with of projection organism, first fixed sleeve's inner wall sliding connection has the fixed sleeve of second, the fixed sleeve's of second inner wall sliding connection has the fixed sleeve of third, the fixed sleeve's of third inner wall sliding connection has the fixed sleeve of fourth, the fixed frame of fourth fixed sleeve's side fixedly connected with, the inner wall fixedly connected with dead lever of fixed frame, the internally mounted of projection organism has battery case, battery case's side fixedly connected with camera lens main part, dead lever and camera lens main part fixed connection, the inner wall fixedly connected with dust guard of fixed frame.
As a preferred technical scheme of the utility model, the top of dust guard rotates through the pivot and is connected with the fixed pin, the top fixedly connected with fixing base of fixed frame, the fixed slot has been seted up to the bottom of fixing base, fixed pin and fixed slot sliding connection, the side fixedly connected with fixed spring of fixing base, fixed spring's side fixedly connected with pull rod, the side fixedly connected with bolt of pull rod, fixed spring cup joints the surface at the bolt.
As a preferred technical scheme of the utility model, the side fixedly connected with stationary blade of fixing base, the top fixedly connected with slide bar of stationary blade, the surperficial sliding connection of slide bar has the gag lever post, gag lever post and pull rod contact.
As a preferred technical scheme of the utility model, the spacing section of thick bamboo of first fixed sleeve's inner wall fixedly connected with, the inner wall sliding connection of second fixed sleeve and a spacing section of thick bamboo, second fixed sleeve's tip fixedly connected with stopper, stopper and a spacing contact of section of thick bamboo.
As an optimal technical scheme of the utility model, the draw-in groove has been seted up to the side of fixed slot, bolt and draw-in groove sliding connection.
As an optimized technical scheme of the utility model, reset spring has been cup jointed on the surface of slide bar, reset spring's tip and stationary blade fixed connection.
(III) advantageous effects
Compared with the prior art, the utility model provides a dust type cinema projector lens possesses following beneficial effect:
1. this dust-protection type cinema projector camera lens, first fixed sleeve through setting up, the second fixed sleeve, the third fixed sleeve, the fourth fixed sleeve, cooperation between fixed frame and the dust guard, make also can be fine when the camera lens main part is focused on prevent dust to it, when having avoided the focus of adjustment camera lens main part, lead to unable dustproof, influence the dustproof effect of camera lens main part, cause the camera lens main part to get into the dust, thereby take place to damage, cause unnecessary trouble and loss.
2. The dustproof cinema projector lens has the advantages that the dustproof plate can be easily and conveniently detached after being used for a long time through the matching of the fixing pin, the fixing seat, the fixing groove, the fixing spring, the pull rod and the bolt, so that the dustproof plate is prevented from being attached with more dust to affect the projection effect of the lens.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the connection between the fixing frame and the dust-proof plate of the present invention;
FIG. 4 is a schematic view of the connection between the limiting rod and the fixing seat of the present invention;
fig. 5 is an enlarged schematic view of the area a in fig. 2 according to the present invention.
In the figure: 1. a projector body; 2. a first fixed sleeve; 3. a second fixed sleeve; 4. a third fixed sleeve; 5. a fourth fixed sleeve; 6. a fixing frame; 7. fixing the rod; 8. a lens main body; 9. a battery case; 10. a dust-proof plate; 11. a fixing pin; 12. a fixed seat; 13. fixing grooves; 14. fixing the spring; 15. a pull rod; 16. a bolt; 17. a fixing sheet; 18. a slide bar; 19. a limiting rod; 20. a return spring; 21. a limiting cylinder; 22. and a limiting block.
Detailed Description
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 work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a dust-protection type cinema projector lens, including the projection organism 1, the first fixing sleeve 2 of inner wall fixedly connected with of projection organism 1, the inner wall sliding connection of first fixing sleeve 2 has second fixing sleeve 3, the inner wall sliding connection of second fixing sleeve 3 has third fixing sleeve 4, the inner wall sliding connection of third fixing sleeve 4 has fourth fixing sleeve 5, the fixed frame 6 of side fixedly connected with of fourth fixing sleeve 5, the inner wall fixedly connected with dead lever 7 of fixed frame 6, the internally mounted of projection organism 1 has battery case 9, battery case 9's side fixedly connected with camera lens main part 8, dead lever 7 and camera lens main part 8 fixed connection, the inner wall fixedly connected with dust guard 10 of fixed frame 6.
In this embodiment, drive fixed frame 6 through dead lever 7 and remove to the inner wall that drives fourth fixed sleeve 5 and third fixed sleeve 4 slides, and in the same way, according to the degree of focus, make fixed frame 6 drive second fixed sleeve 3 and slide, thereby make and also can prevent dust to camera lens main part 8 in the time of focus, make dustproof effect better more comprehensive.
Specifically, the top of dust guard 10 rotates through the pivot and is connected with fixed pin 11, and the top fixedly connected with fixing base 12 of fixed frame 6, fixed slot 13 has been seted up to the bottom of fixing base 12, fixed pin 11 and fixed slot 13 sliding connection, the side fixedly connected with fixed spring 14 of fixing base 12, fixed spring 14's side fixedly connected with pull rod 15, pull rod 15's side fixedly connected with bolt 16, fixed spring 14 cup joints on the surface of bolt 16.
In this embodiment, insert the fixed slot 13 that the fixing base 12 bottom was seted up through fixed pin 11 in, run through fixed pin 11 through bolt 16 and reach fixed effect, when dismantling, through pulling pull rod 15 to drive bolt 16 and shift out from fixed slot 13, then because fixed pin 11 rotates with dust guard 10 and is connected, thereby reach the effect of dismantling dust guard 10.
Specifically, a fixing plate 17 is fixedly connected to a side edge of the fixing seat 12, a sliding rod 18 is fixedly connected to a top of the fixing plate 17, a limiting rod 19 is slidably connected to a surface of the sliding rod 18, and the limiting rod 19 is in contact with the pull rod 15.
In this embodiment, by pulling the pull rod 15, the limiting rod 19 moves to the side of the pull rod 15 to limit the pull rod 15, so that the other pull rod 15 can be conveniently detached, and the sliding of the limiting rod 19 is facilitated through the fixing piece 17 and the sliding rod 18.
Specifically, the inner wall fixedly connected with of first fixed sleeve 2 is a spacing section of thick bamboo 21, the inner wall sliding connection of second fixed sleeve 3 and a spacing section of thick bamboo 21, the tip fixedly connected with stopper 22 of second fixed sleeve 3, stopper 22 and the contact of a spacing section of thick bamboo 21.
In this embodiment, the spacing effect of direction is played to the slip of second fixed sleeve 3, third fixed sleeve 4 and fourth fixed sleeve 5 through the spacing section of thick bamboo 21 that sets up, plays fixed spacing effect to second fixed sleeve 3, third fixed sleeve 4 and fourth fixed sleeve 5 through the stopper 22 that sets up for the device is more stable firm when using.
Specifically, a clamping groove is formed in the side edge of the fixing groove 13, and the bolt 16 is slidably connected with the clamping groove.
In this embodiment, the plug 16 can be better fixed and limited with the fixing pin 11 through the clamping groove, so that the stability of the dust guard 10 during fixing is improved.
Specifically, a return spring 20 is sleeved on the surface of the sliding rod 18, and the end of the return spring 20 is fixedly connected with the fixing plate 17.
In this embodiment, the reset spring 20 that sets up makes can make the gag lever post 19 automatically move to the side of pull rod 15 through reset spring 20's resilience force behind the pulling pull rod 15 for spacing effect is better.
The utility model discloses a theory of operation and use flow: when focusing is carried out, the fixing frame 6 is driven to move through the fixing rod 7, so that the inner walls of the fourth fixing sleeve 5 and the third fixing sleeve 4 are driven to slide, and similarly, the fixing frame 6 drives the second fixing sleeve 3 to slide according to the degree of focusing, so that the lens main body 8 can be prevented from dust during focusing, the dust prevention effect is better and more comprehensive, when the dust-proof plate 10 is used for a long time, the fixing pin 11 is inserted into the fixing groove 13 formed in the bottom of the fixing seat 12, the fixing effect is achieved by the bolt 16 penetrating through the fixing pin 11, when disassembly is carried out, the bolt 16 is driven to move out of the fixing groove 13 by pulling the pull rod 15, then the fixing pin 11 is rotatably connected with the dust-proof plate 10, so that the effect of disassembling the dust-proof plate 10 is achieved, and the bolt 16 can be stably and firmly inserted into the fixing groove 13 through the arranged fixing spring 14, make fixed effect better, through pulling pull rod 15, make gag lever post 19 remove the side of pull rod 15, carry on spacingly to pull rod 15, the convenience is carrying out the dismantlement to another pull rod 15 of dismantling, the slip of the gag lever post 19 of being convenient for through the stationary blade 17 and the slide bar 18 that set up, spacing section of thick bamboo 21 through setting up is to second fixed sleeve 3, the slip of third fixed sleeve 4 and fourth fixed sleeve 5 plays the spacing effect of direction, stopper 22 through setting up is to second fixed sleeve 3, third fixed sleeve 4 and fourth fixed sleeve 5 play fixed spacing effect, it is more firm to make the device stabilize when using.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dust-protection type cinema projector lens, includes projection organism (1), its characterized in that: the inner wall of the projector body (1) is fixedly connected with a first fixed sleeve (2), the inner wall of the first fixed sleeve (2) is connected with a second fixed sleeve (3) in a sliding way, the inner wall of the second fixed sleeve (3) is connected with a third fixed sleeve (4) in a sliding way, the inner wall of the third fixed sleeve (4) is connected with a fourth fixed sleeve (5) in a sliding way, a fixed frame (6) is fixedly connected with the side edge of the fourth fixed sleeve (5), the inner wall of the fixed frame (6) is fixedly connected with a fixed rod (7), a storage battery shell (9) is arranged in the projector body (1), the side edge of the storage battery shell (9) is fixedly connected with a lens main body (8), the fixed rod (7) is fixedly connected with the lens main body (8), and the inner wall of the fixed frame (6) is fixedly connected with a dust guard (10).
2. The dust-protected cinema projector lens according to claim 1, wherein: the top of dust guard (10) rotates through the pivot and is connected with fixed pin (11), top fixedly connected with fixing base (12) of fixed frame (6), fixed slot (13) have been seted up to the bottom of fixing base (12), fixed pin (11) and fixed slot (13) sliding connection, side fixedly connected with fixed spring (14) of fixing base (12), side fixedly connected with pull rod (15) of fixed spring (14), side fixedly connected with bolt (16) of pull rod (15), fixed spring (14) cup joint the surface at bolt (16).
3. The dust-protected cinema projector lens according to claim 2, wherein: the side fixedly connected with stationary blade (17) of fixing base (12), the top fixedly connected with slide bar (18) of stationary blade (17), the surperficial sliding connection of slide bar (18) has gag lever post (19), gag lever post (19) and pull rod (15) contact.
4. The dust-protected cinema projector lens according to claim 1, wherein: the inner wall fixedly connected with of first fixed sleeve (2) is a spacing section of thick bamboo (21), the inner wall sliding connection of second fixed sleeve (3) and a spacing section of thick bamboo (21), the tip fixedly connected with stopper (22) of second fixed sleeve (3), stopper (22) and a spacing section of thick bamboo (21) contact.
5. The dust-protected cinema projector lens according to claim 2, wherein: the side of the fixed groove (13) is provided with a clamping groove, and the bolt (16) is connected with the clamping groove in a sliding mode.
6. A dust-protected cinema projector lens according to claim 3, characterized in that: the surface of the sliding rod (18) is sleeved with a return spring (20), and the end part of the return spring (20) is fixedly connected with the fixed plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359887.4U CN211043913U (en) | 2019-12-25 | 2019-12-25 | Dustproof cinema projector lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359887.4U CN211043913U (en) | 2019-12-25 | 2019-12-25 | Dustproof cinema projector lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211043913U true CN211043913U (en) | 2020-07-17 |
Family
ID=71535504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922359887.4U Expired - Fee Related CN211043913U (en) | 2019-12-25 | 2019-12-25 | Dustproof cinema projector lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211043913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253560A (en) * | 2021-07-14 | 2021-08-13 | 深圳市正光影像器材有限公司 | Protection structure for lens of film and television projector and projector |
-
2019
- 2019-12-25 CN CN201922359887.4U patent/CN211043913U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253560A (en) * | 2021-07-14 | 2021-08-13 | 深圳市正光影像器材有限公司 | Protection structure for lens of film and television projector and projector |
| CN113253560B (en) * | 2021-07-14 | 2021-09-28 | 深圳市正光影像器材有限公司 | Protection structure for lens of film and television projector and projector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211043913U (en) | Dustproof cinema projector lens | |
| US10732489B2 (en) | Telescopic limiting structure, camera body and camera | |
| KR20150135188A (en) | Grip type remote control photographing apparatus | |
| CN109590291B (en) | Optical lens ultrasonic cleaning jig based on elastic deformation and sliding extrusion | |
| CN211293570U (en) | Teaching auxiliary device based on computer knowledge | |
| CN205139797U (en) | From notebook of taking 360 degrees to turn to camera | |
| CN209819111U (en) | Installing support for security protection monitoring convenient to camera dismouting | |
| CN208691371U (en) | A kind of high photographing instrument of light filling lampshade and its composition | |
| CN210372657U (en) | Computer image detection device | |
| CN208585927U (en) | Elevator shaft door anti-disengaging structure | |
| CN210106958U (en) | Camera support capable of fixing camera | |
| CN216118348U (en) | Adjustable vision camera positioning structure | |
| CN218162603U (en) | Wide dynamic camera with dustproof construction | |
| CN213365148U (en) | Assembled mobile phone lens module | |
| CN216976613U (en) | Fixing and clamping device for operation shadowless lamp | |
| CN210444352U (en) | Diversified media shoots appearance | |
| CN212749499U (en) | External lens structure | |
| CN218830170U (en) | Anti-abrasion mobile phone camera lens | |
| CN220149671U (en) | Improved anode rod | |
| CN204143143U (en) | The fuselage of telescopic position limiting structure, camera and camera | |
| CN218409145U (en) | Anti-shake device for video shooting | |
| CN219453457U (en) | Self-timer rod easy to assemble | |
| CN216122507U (en) | Novel mobile phone lens installation kit | |
| CN218767785U (en) | Projector with intelligent TOF sensor | |
| CN215000663U (en) | Portable mounting bracket is used to mapping engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |