CN207473275U - A kind of projector lens dust guard - Google Patents
A kind of projector lens dust guard Download PDFInfo
- Publication number
- CN207473275U CN207473275U CN201721629153.8U CN201721629153U CN207473275U CN 207473275 U CN207473275 U CN 207473275U CN 201721629153 U CN201721629153 U CN 201721629153U CN 207473275 U CN207473275 U CN 207473275U
- Authority
- CN
- China
- Prior art keywords
- casing
- mounting groove
- lens
- protective cover
- wall
- 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
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- Lens Barrels (AREA)
Abstract
The utility model discloses a kind of projector lens dust guards, including casing, the upper surface of the casing is provided with camera adjusting switch, simultaneously exhaust screen is provided on the outer wall of casing, the outer wall of the casing is additionally provided with the control panel positioned at exhaust screen side, the lower end of casing is provided with support pad, and the opposite side of casing sets organic mirror, the inside of the machine mirror includes the projection lens mounted on casing outer surface, the focusing ring mounted on casing outer surface is provided on the outside of the projection lens, the zoom ring mounted on casing outer surface is provided on the outside of the focusing ring, the outer surface of casing is provided with the mounting groove on the outside of zoom ring simultaneously, internal thread is provided on the inner wall of the mounting groove.The utility model is by setting exhaust screen, mounting groove, sealing ring, protective cover, lens, internal thread and external screw thread, the problem of production cost for solving equipment is high, and inconvenient to use and dust-proof effect is bad.
Description
Technical field
The utility model is related to projection device technical field, specially a kind of projector lens dust guard.
Background technology
At present, projector is also known as projecting apparatus, is a kind of equipment that can be projected image or video on curtain, Ke Yitong
It crosses the same computer of different interfaces, VCD, DVD, BD, game machine, DV etc. and is connected and play corresponding vision signal, projection
Machine becomes easily infected by dust in camera lens position when in use, influences using effect and the service life of projector, it is therefore desirable to which one kind simply has
The camera lens dust guard of effect is protected.
Through retrieval, Authorization Notice No. discloses a kind of dust-proof dress of projector lens position of opening for 203433260 U of CN
It puts, which discloses a kind of dust guard of projector lens position of opening, including：Gland is fixed in the gland
First dustband of side, the first retainer ring being pressed on the outside of the first dustband, the second dustband being pressed on the outside of the first retainer ring,
It is pressed in the face in the second retainer ring and the projector on the outside of the second dustband.
Shortcoming possessed by a kind of dust guard of projector lens position of opening is insufficient in the prior art：
1. structure is cumbersome, production cost is high, is unfavorable for promoting；
2. installation and picking and placeing relatively inconvenient, influence to use, dust-proof eyeglass not easy cleaning；
3. sealing and dust-proof effect are general.
Utility model content
（One）The technical issues of solution
The purpose of this utility model is to provide a kind of projector lens dust guards, solve the production cost of equipment
The problem of height, inconvenient to use and dust-proof effect is general.
（Two）Technical solution
To achieve the above object, the utility model provides following technical solution：A kind of projector lens dust guard, including
Casing, the upper surface of the casing are provided with camera adjusting switch, while exhaust screen is provided on the outer wall of casing, the machine
The outer wall of shell is additionally provided with the control panel positioned at exhaust screen side, and the lower end of casing is provided with support pad, and casing is another
Side sets organic mirror, and the inside of the machine mirror includes the projection lens mounted on casing outer surface, the projection lens it is outer
Side is provided with the focusing ring mounted on casing outer surface, and the zoom mounted on casing outer surface is provided on the outside of the focusing ring
Ring, while the outer surface of casing is provided with the mounting groove on the outside of zoom ring, and interior spiral shell is provided on the inner wall of the mounting groove
Line, and the inside of mounting groove is equipped with protective cover by internal thread.
Preferably, the joint of the mounting groove and the protective cover is provided with the sealing ring for being fixed on casing outer surface.
Preferably, the protective cover is fixedly connected by the external screw thread set on outer wall with the mounting groove.
Preferably, the other end of the protective cover is provided with lens.
Preferably, the diameter of the lens is slightly larger than the diameter of mounting groove.
（Three）Advantageous effect
The utility model provides a kind of projector lens dust guard, has following advantageous effect：
1st, the utility model is by setting casing, mounting groove, sealing ring, protective cover, lens, internal thread and external screw thread,
Mounting groove is arranged on the outside of machine mirror, and protective cover is fixedly connected with mounting groove by external screw thread with internal thread respectively during use, if
Putting the sealing ring on the outside of mounting groove can play a protective role to slotted section, prevent dust from entering, while protective cover is another
One end sets lens, and the diameter of lens is slightly larger than the diameter of mounting groove, and focusing can also be played while not interfering projection work
Effect, the utility model is using the components such as sealing ring, protective cover, simple in structure, low cost, conducive to popularization.
2nd, the utility model is by setting casing, mounting groove, sealing ring, protective cover, lens, internal thread and external screw thread,
It can be rotatablely connected respectively by external screw thread and internal thread between protective cover and mounting groove during use, install and pick and place simple side
Just, process is simple, is easy to use.
3rd, the utility model by set casing, mounting groove, sealing ring, protective cover, lens, exhaust screen, internal thread with
And external screw thread, the effect of sealing ring cause device there is no installing angle, and protective cover is using strict material composition, during use
There is no the possibilities inside dust intrusion device, and dust-proof effect is good, while the opposite side of device is provided with exhaust screen, can
Ensure that the ventilation of device is free, do not interfere with the service life of device.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model machine mirror；
Fig. 3 is the structure diagram of the utility model mounting groove and protective cover.
In figure：1 casing, 2 camera adjustings switch, 3 exhaust screens, 4 control panels, 5 support pads, 6 machine mirrors, 7 projection lens, 8
Focusing ring, 9 zoom rings, 10 mounting grooves, 11 sealing rings, 12 protective covers, 13 lens, 14 internal threads, 15 external screw threads.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, a kind of embodiment provided by the utility model：A kind of projector lens dust guard, including machine
Shell 1, the upper surface of casing 1 are provided with camera adjusting switch 2, and camera adjusting switch 2 can adjust the zoom that focuses on of camera lens, together
When casing 1 outer wall on be provided with exhaust screen 3, the setting of exhaust screen 3 can ensure that the ventilation inside device is free, will not
The service life of device is influenced, and the outer wall of casing 1 is additionally provided with the control panel 4 positioned at 3 side of exhaust screen, casing 1
Lower end be provided with support pad 5, and the opposite side of casing 1 sets organic mirror 6, the inside of machine mirror 6 includes being mounted on 1 appearance of casing
The projection lens 7 in face, the outside of projection lens 7 are provided with the focusing ring 8 mounted on 1 outer surface of casing, and the outside of focusing ring 8 is set
The zoom ring 9 mounted on 1 outer surface of casing is equipped with, while the outer surface of casing 1 is provided with the mounting groove positioned at 9 outside of zoom ring
10, internal thread 14 is provided with, and the inside of mounting groove 10 is equipped with protective cover by internal thread 14 on the inner wall of mounting groove 10
12, and protective cover 12 is fixedly connected by the external screw thread 15 set on outer wall with mounting groove 10, mounting groove 10 and protective cover 12
Joint be provided with the sealing ring 11 for being fixed on 1 outer surface of casing, the setting of sealing ring 11 causes mounting groove 10 and protective cover
Contact gap is not present in 12 joint, and sealing effect is good, and dust is difficult to enter, while the other end of protective cover 12 is provided with
Mirror 13, and the diameter of lens 13 is slightly larger than the diameter of mounting groove 10, therefore protective cover 12 also possesses the work of focusing by lens 13
With using effect is good.
When in use, mounting groove 10 is arranged on the outside of machine mirror 6, and protective cover 12 and mounting groove 10 pass through external screw thread respectively
15 are fixedly connected with internal thread 14, are arranged on the sealing ring 11 in 10 outside of mounting groove and can play a protective role to slotted section,
Prevent dust from entering, while the other end setting lens 13 of protective cover 12, the diameter of lens 13 are slightly larger than the diameter of mounting groove 10,
It can also play the role of focusing while not interfering projection work, sealing ring 11, protective cover 12 is respectively adopted in the utility model
Wait components so that simple in structure, low cost, conducive to popularization, and can be respectively by outer between protective cover 12 and mounting groove 10
Screw thread 15 and internal thread 14 are rotatablely connected, and install and pick and place simple and convenient, and there is no in dust intrusion device when in use for device
The possibility in portion, dust-proof effect is good, while the opposite side of device is provided with exhaust screen 3, can ensure that the ventilation of device is free,
The service life of device is not interfered with.
It can to sum up obtain, the utility model is by setting casing 1, exhaust screen 3, machine mirror 6, mounting groove 10, sealing ring 11, preventing
Shield 12, lens 13, internal thread 14 and external screw thread 15, the production cost for solving equipment is high, inconvenient to use and dust-proof
The problem of effect is general.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of projector lens dust guard, including casing（1）, it is characterised in that：The casing（1）Upper surface be provided with
Camera adjusting switchs（2）, while casing（1）Outer wall on be provided with exhaust screen（3）, the casing（1）Outer wall also set up
Have positioned at exhaust screen（3）The control panel of side（4）, casing（1）Lower end be provided with support pad（5）, and casing（1）It is another
Side sets organic mirror（6）, the machine mirror（6）Inside include be mounted on casing（1）The projection lens of outer surface（7）, it is described
Projection lens（7）Outside be provided with mounted on casing（1）The focusing ring of outer surface（8）, the focusing ring（8）Outside setting
Have mounted on casing（1）The zoom ring of outer surface（9）, while casing（1）Outer surface be provided with positioned at zoom ring（9）Outside
Mounting groove（10）, the mounting groove（10）Inner wall on be provided with internal thread（14）, and mounting groove（10）Inside pass through it is interior
Screw thread（14）Protective cover is installed（12）.
2. a kind of projector lens dust guard according to claim 1, it is characterised in that：The mounting groove（10）With institute
State protective cover（12）Joint be provided with and be fixed on casing（1）The sealing ring of outer surface（11）.
3. a kind of projector lens dust guard according to claim 1, it is characterised in that：The protective cover（12）Pass through
The external screw thread set on outer wall（15）With the mounting groove（10）It is fixedly connected.
4. a kind of projector lens dust guard according to claim 1, it is characterised in that：The protective cover（12）It is another
One end is provided with lens（13）.
5. a kind of projector lens dust guard according to claim 4, it is characterised in that：The lens（13）Diameter
Slightly larger than mounting groove（10）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629153.8U CN207473275U (en) | 2017-11-29 | 2017-11-29 | A kind of projector lens dust guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629153.8U CN207473275U (en) | 2017-11-29 | 2017-11-29 | A kind of projector lens dust guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207473275U true CN207473275U (en) | 2018-06-08 |
Family
ID=62260047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629153.8U Expired - Fee Related CN207473275U (en) | 2017-11-29 | 2017-11-29 | A kind of projector lens dust guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207473275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761968A (en) * | 2018-06-19 | 2018-11-06 | 芜湖威灵数码科技有限公司 | A kind of photographic goods multi-function dust-proof equipment |
| WO2021143553A1 (en) * | 2020-01-19 | 2021-07-22 | 中影光峰激光影院技术（北京）有限公司 | Projector |
| CN113433780A (en) * | 2021-05-17 | 2021-09-24 | 重庆市永川职业教育中心 | Teaching demonstration ware suitable for electronic technology uses |
-
2017
- 2017-11-29 CN CN201721629153.8U patent/CN207473275U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761968A (en) * | 2018-06-19 | 2018-11-06 | 芜湖威灵数码科技有限公司 | A kind of photographic goods multi-function dust-proof equipment |
| CN108761968B (en) * | 2018-06-19 | 2021-07-02 | 湖南光魔科技有限公司 | Multifunctional dustproof equipment for photographic equipment |
| WO2021143553A1 (en) * | 2020-01-19 | 2021-07-22 | 中影光峰激光影院技术（北京）有限公司 | Projector |
| CN113433780A (en) * | 2021-05-17 | 2021-09-24 | 重庆市永川职业教育中心 | Teaching demonstration ware suitable for electronic technology uses |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200424 Address after: 201, block 4, No. 5, Dongsheng Road, Dalong street, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou xinhuawo Display Technology Co.,Ltd. Address before: 511490 4 Shanxi 907, Shanxi Road, Sha Tau Street, Panyu District, Guangzhou, Guangdong, China 907 Patentee before: GUANGZHOU HUAWO ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |