CN213987153U

CN213987153U - Stable-focus projector

Info

Publication number: CN213987153U
Application number: CN202120235422.2U
Authority: CN
Inventors: 吴志鹏
Original assignee: Shenzhen Jieqi Digital Technology Co ltd
Current assignee: Shenzhen Jieqi Technology Innovation Co.,Ltd.
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-08-17
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to the technical field of projectors, in particular to a stable-focus projector, which comprises an upper shell, a lower shell and a projection device main body, wherein the outer surface of the projection device main body is provided with a focusing ring, the front left side of the lower shell is provided with a lens slot in a penetrating way, the front position of the left side of the inner wall of the lower shell is fixedly connected with two first limiting plates, and the pressing effect on the lens part of the projection device main body can be realized through the structural design of the first limiting plates, the movable plates, the springs, the fixed plates, the connecting plates and the connecting rods, thereby having the effect of limiting the position of the focusing ring, avoiding the phenomenon that the focusing ring rotates due to the generated vibration in the using process of the projector, solving the problem that the normal focusing of the projection device main body is influenced due to the phenomenon that the focusing ring rotates accidentally, therefore, workers do not need to frequently disassemble the projector and carry out focusing calibration on the projection equipment main body.

Description

Stable-focus projector

Technical Field

The utility model relates to a projecting apparatus technical field, concretely relates to focus stable form projecting apparatus.

Background

The projector is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment places.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a focus stable form projecting apparatus possesses to focus advantages such as ring play restriction effect, has solved the problem that causes the rotatory skew of ring of focusing in the projecting apparatus operation process.

The utility model discloses a focus stable form projecting apparatus, including last casing, lower casing and projecting apparatus main part, the surface mounting of projecting apparatus main part has the ring of focusing, the positive left side of casing is run through down and has been seted up the camera lens slot, the left front position department fixed connection of casing inner wall and two first limiting plates, two swing joint has the fly leaf between the first limiting plate, the bottom fixedly connected with connecting rod of fly leaf, the bottom fixedly connected with fixed plate of connecting rod, the top right side fixedly connected with connecting plate of fixed plate, fixedly connected with spring between the bottom of fixed plate and the inner wall bottom of casing down.

The utility model discloses a focus stable form projecting apparatus, wherein the connecting plate is located the position department under the camera lens slot back, the top fixedly connected with antiskid rubber pad of connecting plate, the bottom of focusing the ring and the top in close contact with of antiskid rubber pad.

The utility model discloses a focus stable form projecting apparatus, wherein connecting plate and anti-skidding rubber pad are convex structural design, the angle that connecting plate and anti-skidding rubber pad were seted up and the angle looks adaptation of the toroidal surface of focusing ring.

The utility model discloses a focus stable form projecting apparatus, wherein first limiting plate is including vertical board and horizontal board, the fly leaf openly with the equal fixedly connected with flange in the left side position department at the back, the flange activity joint is in the position department between vertical board of first limiting plate and horizontal board, two the equal fixed connection in top and the second limiting plate opposite first limiting plate horizontal board.

The utility model discloses a focus stable form projecting apparatus, wherein the left and right sides of flange contacts with the inner wall left side of the vertical board of first limiting plate and lower casing respectively, the inner wall of the surface of digging of flange and lower casing is the smooth surface.

The utility model discloses a focus stable form projecting apparatus, wherein the top left side of fly leaf is along vertical direction fixedly connected with nose bar, the surface of nose bar is equipped with anti-skidding line.

The utility model discloses a focus stable form projecting apparatus, wherein go up the casing and be the rectangle structural design with overlooking shape of casing down, it all offers for slick and sly form with the surface of casing down to go up the casing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses, through first limiting plate, the fly leaf, a spring, the fixed plate, the structural design of connecting plate and connecting rod, can realize the effect of exerting pressure to projection equipment main part lens part, the effect of position restriction has been played to the ring of focusing, the in-process of using has been avoided this projecting apparatus, the rotatory condition of ring appears focusing because the vibrations that produce lead to, the problem of influencing the normal focusing of projection equipment main part owing to focusing the ring and appearing unexpected rotatory phenomenon, thereby it dismantles and focuses the calibration to the projection equipment main part to need not frequent this projecting apparatus of staff, and simultaneously, through rectangle and the rounding off structural design of last casing and lower casing, make the appearance of this projecting apparatus more pleasing to the eye.

2. The utility model discloses, structural design through the connecting plate, can be better to the restriction effect of focusing the ring, avoided there is the phenomenon of friction undersize and contact between focusing ring and the connecting plate, lead to appearing focusing the unstable condition of ring restriction, through the structural design of flange and second limiting plate, can realize the restriction effect to the fly leaf, the condition of having avoided separating between fly leaf and the first limiting plate to drop appears, structural design through the nose bar, the staff of being convenient for carries out the installation operation in earlier stage between projection equipment main part and the lower casing, avoided when inserting the camera lens part of projection equipment main part to the inside of camera lens slot, because all the time and the inconvenient inside condition appearance of inserting the camera lens slot of in close contact with between the anti-skidding rubber pad.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the explosion structure of the present invention;

fig. 3 is a schematic front sectional view of the lower case of the present invention;

fig. 4 is a schematic front view of the lower housing of the present invention;

fig. 5 is a schematic top view of the lower housing of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 5 according to the present invention.

In the figure: 1. an upper housing; 2. a lower housing; 3. a projection apparatus main body; 4. a lens slot; 5. a first limit plate; 6. a movable plate; 7. a spring; 8. a fixing plate; 9. a connecting plate; 10. an anti-skid rubber pad; 11. a nose bar; 12. a convex plate; 13. a second limiting plate; 14. a focusing ring; 15. a connecting rod.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1-6, the utility model discloses a focus stable form projecting apparatus, including last casing 1, casing 2 and projection equipment main part 3 down, projection equipment main part 3's surface mounting has focusing ring 14, casing 2's front left side runs through down and has seted up lens slot 4 down, lower casing 2 inner wall left front position department fixed connection and two first limiting plate 5, swing joint has fly leaf 6 between two first limiting plate 5, the bottom fixedly connected with connecting rod 15 of fly leaf 6, the bottom fixedly connected with fixed plate 8 of connecting rod 15, the top right side fixedly connected with connecting plate 9 of fixed plate 8, fixedly connected with spring 7 between the bottom of fixed plate 8 and the inner wall bottom of casing 2 down.

The connecting plate 9 is located at a position right below the back of the lens slot 4, the top of the connecting plate 9 is fixedly connected with the anti-skidding rubber pad 10, the bottom of the focusing ring 14 is in close contact with the top of the anti-skidding rubber pad 10, the limiting effect on the focusing ring 14 can be more stable through the structural design of the anti-skidding rubber pad 10, and the sliding condition between the focusing ring 14 and the connecting plate 9 is avoided.

The connecting plate 9 and the anti-skid rubber pad 10 are both in circular arc structural design, the angle formed by the connecting plate 9 and the anti-skid rubber pad 10 is matched with the angle of the annular surface of the focusing ring 14, the structural design can enable the limiting effect of the anti-skid rubber pad 10 on the focusing ring 14 to be better, and the situation that the limiting effect is not ideal due to the fact that the contact surface of the focusing ring 14 and the anti-skid rubber pad 10 is too small is avoided.

First limiting plate 5 is including vertical board and horizontal board, the equal fixedly connected with flange 12 of the left side position department at the fly leaf 6 front and the back, flange 12 activity joint in the position department between vertical board of first limiting plate 5 and horizontal board, the equal fixed connection in top and the second limiting plate 13 of two 5 horizontal board opposite sides of first limiting plate, through the structural design of flange 12 and second limiting plate 13, can play the restriction effect to fly leaf 6, avoid the condition appearance that the separation dropped between fly leaf 6 and the first limiting plate 5.

The left and right sides of flange 12 contacts with the inner wall left side of the vertical board of first limiting plate 5 and casing 2 down respectively, and the inner wall of digging the surface of flange 12 and casing 2 down is the smooth surface, and this structural design can make fly leaf 6 more stable, has avoided having the clearance and has leaded to the condition appearance that fly leaf 6 rocked between the left and right sides of flange 12 and casing 2 down or first limiting plate 5.

Vertical direction fixedly connected with nose bar 11 is followed on the left of the top of fly leaf 6, the surface of nose bar 11 is equipped with anti-skidding line, structural design through nose bar 11, make the staff can adjust the position of locating of connecting plate 9, be convenient for the staff installs between projection equipment main part 3 and lower casing 2 earlier stage, avoided when inserting the lens part of projection equipment main part 3 to the inside of camera lens slot 4, anti-skidding rubber pad 10 is in the prominent condition all the time, and be unfavorable for the staff to appear with the lens part smoothness of projection equipment main part 3 and the condition of inserting to camera lens slot 4 inside.

Go up casing 1 and casing 2 down overlook the shape and be rectangular structural design, go up casing 1 and casing 2 down the surface and all set up for slick and sly form, this structural design makes the appearance of this projecting apparatus small and exquisite more pleasing to the eye.

When the utility model is used, if the projector needs to be assembled in the earlier stage, the worker can put the projection device main body 3 into the lower housing 2, so that the lens portion of the projection device main body 3 corresponds to the lens slot 4, then press the convex rod 11 downwards with the fingers, so that the convex rod 11 drives the movable plate 6, the fixed plate 8 and the connecting plate 9 to slide downwards through the first limiting plate 5, the spring 7 is compressed and contracted, so that the connecting plate 9 moves to the position below the lens slot 4 and is kept all the time, then the projection device main body 3 is pressed to the front side, so that the lens portion of the projection device main body 3 is inserted into the lens slot 4, then the convex rod 11 is released, the spring 7 rebounds, so that the top of the antiskid rubber pad 10 is tightly attached to the bottom of the focusing ring 14, thereby realizing the effect of limiting the focusing ring 14, the projector is prevented from vibrating in the using process, the focusing ring 14 is prevented from rotating under the influence of the vibration, and the normal focusing is prevented from being influenced, and finally, a worker can connect the upper shell 1 and the lower shell 2 and normally use the projector.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a focus stable form projecting apparatus, includes casing (1), casing (2) and projection equipment main part (3) down, its characterized in that: the surface mounting of projection equipment main part (3) has focusing ring (14), lens slot (4) have been run through to the front left side of casing (2) down, casing (2) inner wall left front position department fixed connection and two first limiting plate (5), two swing joint has fly leaf (6) between first limiting plate (5), the bottom fixedly connected with connecting rod (15) of fly leaf (6), the bottom fixedly connected with fixed plate (8) of connecting rod (15), the top right side fixedly connected with connecting plate (9) of fixed plate (8), fixedly connected with spring (7) between the bottom of fixed plate (8) and the inner wall bottom of casing (2) down.

2. A focal length stable projector as claimed in claim 1, wherein: the connecting plate (9) is located at a position right below the back face of the lens inserting groove (4), the top of the connecting plate (9) is fixedly connected with an anti-skidding rubber pad (10), and the bottom of the focusing ring (14) is in close contact with the top of the anti-skidding rubber pad (10).

3. A focal length stable projector as claimed in claim 1, wherein: the connecting plate (9) and the anti-skid rubber pad (10) are both designed into an arc-shaped structure, and the angle formed by the connecting plate (9) and the anti-skid rubber pad (10) is matched with the angle of the annular surface of the focusing ring (14).

4. A focal length stable projector as claimed in claim 1, wherein: first limiting plate (5) are including vertical board and horizontal board, fly leaf (6) openly with the equal fixedly connected with flange (12) of left side position department at the back, flange (12) activity joint is in the position department between vertical board of first limiting plate (5) and horizontal board, two the equal fixed connection in top and second limiting plate (13) of first limiting plate (5) horizontal board relative face.

5. The focal length stabilized projector of claim 4, wherein: the left and right sides of protruding board (12) contact with the inner wall left side of the vertical board of first limiting plate (5) and lower casing (2) respectively, the inner wall of digging the surface and casing (2) down of protruding board (12) is the smooth surface.

6. A focal length stable projector as claimed in claim 1, wherein: the top left side of fly leaf (6) is along vertical direction fixedly connected with nose bar (11), the surface of nose bar (11) is equipped with anti-skidding line.

7. A focal length stable projector as claimed in claim 1, wherein: the overlooking shape of the upper shell (1) and the overlooking shape of the lower shell (2) are both rectangular structural designs, and the surfaces of the upper shell (1) and the lower shell (2) are both smooth.