CN1862367A

CN1862367A - Sliding lens cap

Info

Publication number: CN1862367A
Application number: CN 200510070444
Authority: CN
Inventors: 孟庆裕; 陈荣基
Original assignee: Coretronic Corp
Current assignee: Coretronic Corp
Priority date: 2005-05-09
Filing date: 2005-05-09
Publication date: 2006-11-15
Anticipated expiration: 2025-05-09
Also published as: CN100419571C

Abstract

The present invention relates to a slide lens cap which can be used for closing or opening lens opening of a projector. It includes a slide cap plate and a fixing piece. On the slide cap plate at least a slide groove is formed, said slide groove has first end and second end. Said fixing piece has a first fixing portion which can be passed through said slide groove and fixed on the projector and a restraining portion placed against said slide cap plate for making the slide cap plate be fixed on the projector. Besides, said invention also provides its concrete operation method.

Description

Sliding lens cap

Technical field

The present invention relates to a kind of lens cap, particularly relate to a kind of sliding lens cap.

Background technology

Consult Fig. 1, having now and establishing the lens cap 10 that covers projector's 100 camera lens openings 101 in order to lid is to lose accidentally for fear of taking off the back.Normally be connected on the shell of projector 100 with a line segment 11, when using projector 100, lens cap 10 is taken off, by line segment 11 hangings in projector's 100 shells, and after projector 100 finishes using, again lens cap 10 is covered and cover camera lens opening 101, and, also be provided with the clamping and drawing device (figure does not show) that can be fastened on the inner peripheral that defines camera lens opening 101 in projector's 100 shells on the lens cap 10 for avoiding lens cap 10 to come off without reason.Yet, owing to the clamping and drawing device of this class normally for avoiding lens cap 10 to come off without reason installing, so the user must apply earlier to a certain degree power reach remove the clip effect after, lens cap could be taken off.Therefore, not only cause the inconvenience in the use easily, and lens cap 10 is connected the mode of projector's 100 shells, also influence the overall appearance of projector with line segment 11.In addition, when projector 100 during at boot program, user's mistake is covered camera lens opening 101 with lens cap 10, also can cause the high light direct irradiation lens cap 10 of projector 100, thereby causes lens cap to melt.

Summary of the invention

Therefore, one object of the present invention promptly is to provide a kind of direct installing can reach the sliding lens cap that covers or open the camera lens opening by being attached on the projector shell and with sliding type.

Another object of the present invention provides a kind of sliding lens cap, utilizes lens cap to cooperate one to be fixed in the projector and the on-off element of contiguous camera lens opening, controls the power switch of projector.

Sliding lens cap of the present invention is to be installed in the projector, in order to cover or to open a camera lens opening of this projector, this sliding lens cap comprises a slide cover and a fixture, this slide cover is close to the camera lens opening by fixture by being attached in the projector, thereby and can cover or open this camera lens opening with respect to the slip of camera lens opening.

About above-mentioned and other technology contents of the present invention, characteristics and effect, in a DETAILED DESCRIPTION OF THE PREFERRED of following conjunction with figs., can clearly present.

Description of drawings

Fig. 1 is a stereographic map, and a lens cap of known projector is described;

Fig. 2 is a stereographic map, illustrates that sliding lens cap of the present invention is installed in a projector;

Fig. 3 is the three-dimensional exploded view of preferred embodiment;

Fig. 4 is a front elevation, illustrates that preferred embodiment is shielded in a camera lens opening of projector;

Fig. 5 is a front elevation, illustrates that preferred embodiment staggers mutually with a camera lens opening of projector; And

Fig. 6 is a plan view, illustrates that the protruded stigma pushing and pressing of preferred embodiment contact with each other two contact flat springs.

Embodiment

Consult Fig. 2 and Fig. 3, sliding lens cap 1 of the present invention is installed in the projector 100, one camera lens opening 101 of the projector 100 of present embodiment is formed at its shell front, left side, and the effect of sliding lens cap 1 promptly is sealing or open this camera lens opening 101, and owing to define the shell inner peripheral of this camera lens opening 101, a substantially oblong-shaped fixedly board 102 is extended at its place, right side in camera lens opening 101, making this camera lens opening 101 is not to be a complete circle opening, and should be fixedly board 102 tops be formed with the horizontal and gap slot 103 that is connected with camera lens opening 101.

The preferred embodiment of sliding lens cap 1 comprises a slide cover 2, a fixture 3, a clamping piece 4, an on-off element 5 and an outer cover plate 6.

Slide cover 2 is a disk and thin plate, it has a front 201, a back side 202, two between the upper and lower every being formed at plate central authorities and slideway 21 parallel to each other, two slideways 21 also define a draw runner 22 between two slideways 21, and each slideway 21 and draw runner 22 all have one first opposite end 203 and one second end 204.In addition, slide cover 2 also has the outside vertically extending protruded stigma 23 by 202 slideway 21 first ends 203 outer rim places, contiguous top, its back side.In addition, draw runner 22 central authorities cave in two slideways 21 equidirectionally a chute 221, with so that clamping piece 4 is ccontaining and slip therein because the depression of chute 221 defines two slide rails 222 that are positioned at draw runner 22 2 lateral margin places simultaneously.In addition, draw runner 22 has two blocking parts 223 that are located at its first and second end 203,204 respectively, promptly is formed at the draw-in groove 223 at each slide rail 222 contiguous first end 203 and second end, 204 places respectively.

Fixture 3 has one first fixed part 31, one second fixed part 32 and a strangulation portion 33.Strangulation portion 33 is a plate that roughly takes the shape of the letter U, and in order to fasten draw runner 22 by slide cover 2 fronts 201, is equivalent to make draw runner 22 to stretch through wherein slidingly.First, second fixed part 31,32 then is outward extending two stators of two interval root edges by the U-shaped plate, is locked in the fixedly board 102 of projector 100 in order to stretch through two slideways 21 up and down.At this moment, slide cover 2, and can horizontally slip with respect to fixture 3 by being attached in the projector 100 by first and second fixed part 31,32, and strangulation portion 33 is provided with two pin-and-holes 311 that make clamping piece 4 fixing.

Clamping piece 4 has a strip body 41 and is located at two clamped arms 42 of 41 liang of end opposite of body, one end of two clamped arms 42 is connected to two end opposite of body 41, the other end then also bends and extension in opposite directions to body 41 upper and lower sides projections respectively, and forms a prominent point-like end.In addition, clamping piece 4 also has two fixed pins 43 that are formed at the corresponding strangulation of body 41 portion 33 central two pin-and-holes, 311 places, in order to wear two pin-and-holes 311, is fixed on thus in the strangulation portion 33.When clamping piece 4 is contained in the chute 221 of draw runner 22, stirs slide cover 2 with respect to fixture 3 slippages, and drive clamping piece 4 slippages simultaneously in chute 221.

Consult Fig. 4, Fig. 5, when stirring slide cover 2 left and making slideway 21 first ends 203 adjacent mount 3, then slide cover 2 and camera lens opening 101 are overlapping and cover camera lens opening 101, the snap action of and two draw-in grooves 223 terminal by the prominent point-like of two clamped arms 42 can reach fixture 3 is limited in first end 203.Otherwise, when stirring slide cover 2 to the right and making second end, 204

adjacent mount

3,2 of slide covers and camera lens opening 101 stagger and open camera lens opening 101 mutually, by the prominent point-like end of two clamped arms 42 and the snap action of two draw-in grooves 223, fixture 3 are limited in second end 204 equally.

Consult Fig. 5, Fig. 6, the on-off element 5 of present embodiment has two adjacent at interval contact flat springs 51 (as shown in Figure 3), it is installed on the medial surface of fixing board 102 and the below of gap slot 103 relatively, makes two contact flat springs 51 expose to gap slot 103 in long contact flat spring 51 tops up and wherein.This on-off element 5 is electrically connected with the circuit (not shown) of projector's 100 inner control power switches, when slide cover 2 slides to the right and makes its second end, 204 adjacent mount 3, protruded stigma 23 on the slide cover 2 also slips into to the right in the gap slot 103 simultaneously, and pushing and pressing contact with each other two contact flat springs 51 and form electrical connection, control the power switch in the projector 100 thus.When only contacting, promptly determining that slide cover 2 has staggered mutually with camera lens opening 101, just start power switch, thereby avoid taking place slide cover 2 and still be covered on camera lens opening 101 at two contact flat springs 51, and the wrong boot program that projector's 100 switches have started.

At last, outer cover plate 6 is similarly a disk and thin plate, overlay on the front of slide cover 2 in order to lid, cover two slideways 21 and the fixture 3 of slide cover 2, to reach effect attractive in appearance, and avoid when slide cover 2 is covered on camera lens opening 101, extraneous dust is entered in the projector 100 by two slideways 21, thereby pollutes the electron device in the projector 100.

In sum, sliding lens cap 1 of the present invention is with the fit system of slide cover 2 and fixture 3, make slide cover 2 directly by on the shell that is attached to projector 100, and can horizontally slip and reach with respect to camera lens opening 101 and cover or the effect of opening camera lens opening 101.In addition, utilize the snap action of clamping piece 4 and draw-in groove 223, can make slide cover 2 be positioned at set position.Have again, conflict effect by protruded stigma 23 and two contact flat springs 51, also can be in order to the on time of control projector 100, avoid taking place slide cover 2 still when covering camera lens opening 101, the wrong boot program that projector's switch has started, the high light direct irradiation lens cap that causes projector 100, the problem that causes lens cap to be heated and to melt.

The above only is the preferred embodiments of the present invention, can not limit scope of the invention process with this, and every simple equivalent of having done according to claim scope of the present invention and invention description content changes and modifies, and all still belongs to the scope of protection of the invention.

Claims

1. sliding lens cap, in order to cover or an open camera lens opening that is formed in the projector, this sliding lens cap comprises:

One slide cover has a positive and back side, and is formed with at least one slideway that penetrates this slide cover, and this slideway has one first opposite end and one second end; And

One fixture, having one passes this slideway by this front and is locked in first fixed part of projector, and one at least a portion by the strangulation portion in the front that is attached to slide cover, thus with slide cover by being attached to outside the projector on the same plane with the camera lens opening, and can slide and make first end or the second end adjacent mount with respect to fixture.

When the first end adjacent mount, slide cover covers in the camera lens opening, and when the second end adjacent mount, slide cover staggers mutually with the camera lens opening.

2. sliding lens cap according to claim 1, wherein, described slide cover central authorities are between the upper and lower every being formed with two slideways parallel to each other, and two slideways define a draw runner, fixture also has one second fixed part, first, second fixed part is positioned at two opposition sides of strangulation portion respectively, and passes two slideways up and down respectively and be locked in the projector, and strangulation portion can make draw runner slidingly the draw runner strangulation be lived.

3. sliding lens cap according to claim 2, wherein, described draw runner depression have one with the equidirectional chute of draw runner, and have two blocking parts that are located at first end and second end respectively, sliding lens cap also comprises a clamping piece, and this clamping piece is connected with strangulation portion and can be contained in slippingly in the chute, when first end or the second end adjacent mount, by the snap action of clamping piece and blocking part, fixture is limited in first end or second end.

4. sliding lens cap according to claim 3, wherein, described clamping piece has a body and two is connected in two end opposite of body respectively with an end clamped arm, the other end of two clamped arms then extends to the both sides up and down of body respectively, two blocking parts are to be formed at two grooves on the internal faces at interval that draw runner defines chute respectively, and the other end engaging that makes two clamped arms within it.

5. sliding lens cap according to claim 2, wherein, described strangulation portion is a plate that roughly takes the shape of the letter U, first, second fixed part is the stator that is connected to two opposition sides of U-shaped plate.

6. sliding lens cap according to claim 1, comprise that also one is arranged in the projector and the on-off element of contiguous camera lens opening, this on-off element has two separately contact flat springs, and be electrically connected with the circuit of internal control projector of projector switch, slide cover also has one and is formed at the also protruded stigma of second end of vicinity slideway of its back side, when the second end adjacent mount, the contact flat spring that this protruded stigma pushes against wherein simultaneously contacts with another contact flat spring, and then starts the power switch of projector.

7. sliding lens cap according to claim 1 also comprises an outer cover plate, and lid is located at the front of slide cover.

8. sliding lens cap, in order to cover or an open camera lens opening that is formed in the projector, this sliding lens cap comprises:

One slide cover is interval with two and penetrates the slideway of this slide cover, thereby defines a draw runner between this two slideway, and this draw runner has one first opposite end and one second end; And

One fixture, two slideways were fixed in this projector and two ends stretch through respectively to stride across this draw runner, make slide cover by being attached to outside the projector on the same plane with the camera lens opening thus, and can slide and make this first end or the second end adjacent mount with respect to fixture

9. sliding lens cap according to claim 8, wherein, described fixture has a strangulation portion that roughly takes the shape of the letter U, and first, second fixed part that lays respectively at strangulation portion two opposition sides, first, second fixed part stretched through two slideways respectively and was fixed in the projector, and strangulation portion then can make draw runner strangulation draw runner slidingly.

10. sliding lens cap according to claim 9, wherein, described draw runner depression have one with the equidirectional chute of draw runner, and have two blocking parts that are located at first end and second end respectively, sliding lens cap also comprises a clamping piece, and this clamping piece is connected with strangulation portion and can be contained in slippingly in the chute, when first end or the second end adjacent mount, by the snap action of clamping piece and blocking part, fixture is limited in first end or second end.

11. sliding lens cap according to claim 10, wherein, described clamping piece has a body and two is connected in two end opposite of body respectively with an end clamped arm, the other end of two clamped arms then extends to the both sides up and down of body respectively, two blocking parts are to be formed at two grooves on the internal faces at interval that draw runner defines chute respectively, and the other end engaging that makes two blocking arms within it.

12. sliding lens cap according to claim 8, comprise that also one is fixed in the projector and the on-off element of contiguous camera lens opening, this on-off element has two separately contact flat springs, and be electrically connected with the circuit of internal control projector of projector switch, slide cover also has one and is formed at the also protruded stigma of second end of vicinity slideway of its back side, when the second end adjacent mount, these protruded stigma pushing and pressing contact flat spring wherein contacts with another contact flat spring, and then starts the power switch of projector.

13. sliding lens cap according to claim 8 also comprises an outer cover plate, lid is located at the front of slide cover.