CN201344987Y - filter parts - Google Patents

Abstract

A kind of filtering part, including an outer gimbal, it has a window frame and two form several fixed parts and coil locating element of setting up the department, there is a color filter among the aforesaid locating element, it has two sliding plates, at least a lens, and two fixing department equipped with magnetic part; the two filters are limited between the positioning pieces by two cover plates, and the two cover plates are respectively provided with an opening corresponding to the window frame, a plurality of fixing structures fixed on the outer frame fixing part and a plurality of convex parts for limiting the sliding plate. By arranging the coil on the coil arrangement part and enabling the electrification operation to attract and repel the magnetic piece, the optical filter can slide to enable the lens to correspond to the window frame. Because the filter is not provided with the coil which is easy to break, the failure caused by the breakage of the coil due to friction can be avoided.

Description

filter parts

【Technical field】

The utility model relates to a filter component, in particular to a filter component with a slidable filter.

【Background technique】

Existing cameras, especially surveillance cameras, mainly include a lens, a photosensitive component such as a film or a charge-coupled device (CCD) arranged at the rear end of the lens, and a photosensitive component located between the aforementioned lens and the photosensitive component. filter components. The above-mentioned filter part is used to adjust the light incident on the above-mentioned photosensitive part through the above-mentioned lens. Change the brightness and darkness of the photosensitive components to avoid overexposure or underexposure to improve image quality. Existing cameras mostly use several lenses arranged in parallel to form the aforementioned optical filter, and then use a driving device to drive the aforementioned optical filter to slide, so that the lens to be used corresponds to the aforementioned photosensitive component. In the past, some surveillance cameras used a driving motor to drive the above-mentioned filter components, but the large size of the driving motor makes it difficult to design the camera into a compact and compact form, which is a shortcoming that needs to be improved. In order to solve the shortcomings of the monitoring cameras that used the drive motor in the past, there are existing filter components provided by the Taiwan New Patent No. M253792 and M302047, which are provided with a coil on the upper edge of the aforementioned filter, and on the aforementioned filter. The filter part is provided with a magnetic body corresponding to the aforementioned coil, and the action between the magnetic coil and the aforementioned magnetic body through energization allows the aforementioned optical filter to slide, so that the lens to be used corresponds to the aforementioned recording element, so It can not only play a light filtering effect but also keep its structure small.

However, since the coils disclosed in the aforementioned new patent Nos. M253792 and M302047 are located at the periphery of the aforementioned optical filter, when the aforementioned optical filter slips, the coil may break due to friction with other components and malfunction. Although the above-mentioned new patent No. M302047 has added a fixing groove to prevent the coil from being damaged by external wires, it still cannot completely avoid the problem that the coil may be broken due to friction, which is a shortcoming to be improved in the existing filter components.

【Content of utility model】

In view of the aforementioned disadvantages, the purpose of the present invention is to provide a filter component with a small volume, which can exert a filter effect and avoid the failure of the coil due to friction.

In order to achieve the above object, the utility model provides a filter component, including: an outer frame with a window frame and two elongated positioning pieces respectively formed on the opposite sides of the aforementioned window frame, each positioning piece is connected to the aforementioned window A joint is formed between the frames, and each positioning piece is provided with a coil setting portion on both sides of the joint, and several fixing portions are formed on each positioning piece; a filter has two strips and has a front end and A sliding plate at one end, at least one lens disposed between the aforementioned two sliding plates, and two holding parts respectively arranged at the front end and the end of the aforementioned sliding plate; two magnetic parts are separately arranged on the aforementioned two holding parts; two cover plates, It is in the shape of a flat plate and limits the aforementioned optical filter between the aforementioned positioning members, which respectively have an opening corresponding to the aforementioned window frame, several fixing structures fixed to the aforementioned outer frame fixing portion, and several limiting aforementioned sliding plates of the convex part.

Based on the above, the technical means adopted by the utility model is to make the above-mentioned light filter part include an outer frame, which has a window frame and two positioning pieces formed with several fixing parts and coil setting parts, and a positioning piece is arranged between the above-mentioned positioning pieces. The optical filter has two sliding plates, at least one lens arranged between the two sliding plates, and two retaining parts arranged at the front end and the end of the aforementioned sliding plate, and two magnetic parts are separately provided on the two retaining parts; the aforementioned The two filters are limited between the aforementioned positioning parts by means of two cover plates, and the aforementioned two cover plates respectively have an opening corresponding to the aforementioned window frame, several fixing structures fixed to the aforementioned outer frame fixing portion, and several position limiting The convex portion of the aforementioned slide plate.

When in use, a coil is separately arranged on both sides of the aforementioned window frame on the aforementioned coil setting portion. When the two coils are energized and operated respectively, the aforementioned structure will generate mutual repulsion or mutual attraction to the aforementioned magnetic parts, and then Slide the filter so that the lens to be used corresponds to the aforementioned window frame. Since there is no easy-to-break coil on the above-mentioned reciprocating optical filter, the purpose of the utility model can be achieved, and a filter with a small volume and capable of exerting the filtering effect can be avoided and the fault caused by the fracture of the coil can be avoided. light parts.

【Description of drawings】

Fig. 1 is an exploded view of a video camera of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is an exploded view of the utility model.

Fig. 4 is an exploded view of another angle of the utility model.

Fig. 5 is a side sectional view of the utility model.

Fig. 6 is a schematic view of the utility model omitting the cover plate.

Fig. 7 is a schematic diagram of another state of the utility model in which the cover plate is omitted.

(10) Lens (20) Photosensitive part

(30) Feet (40) Filter parts

(41) Cover plate (411) Opening

(413) Fixed structure (414) Convex part

(42) Outer frame (421) Window frame

(422) Positioning piece (423) Fixed part

(424) Coil setting part (425) Recessed part

(426) Junction (427) Coil

(43) Filter (431) Lens

(432) Sliding plate (434) Holding part

(44)Magnetic parts

【Detailed ways】

Please refer to FIG. 1 and FIG. 2 , respectively disclosing an exploded view of the camera adopting the present invention and a perspective view of the present invention.

The utility model is a filter part 40, which is installed between the ytterbium head 10 and the photosensitive part 20 of the camera by means of a foot seat 30, so as to exert the filtering effect and let the light from the aforementioned lens 10 reach the aforementioned photosensitive part 20. The light can be moderately adjusted to improve the image quality.

Please refer to FIG. 3 and FIG. 4 , respectively disclosing exploded views of the utility model from different angles.

The aforementioned filter component 40 includes an outer frame 42 , a filter 43 , two magnetic components 44 and two cover plates 41 .

The outer frame 42 has a window frame 421 and two elongated positioning members 422 respectively formed on opposite sides of the window frame 421 . The light from the aforementioned lens (not shown in this figure) is irradiated to the aforementioned photosensitive component (not shown in this figure) through the aforementioned window frame 421 . A joint portion 426 is formed between each positioning piece 422 and the aforementioned window frame 421 , each positioning piece 422 is provided with a coil setting portion 424 on both sides of the aforementioned joint portion 426 , and each positioning piece 422 is formed with several fixing portions 423 . The coil setting part 424 of the aforementioned one positioning part 422 is corresponding to the coil setting part 424 of the other positioning part 422, so as to facilitate the setting of the coil between the aforementioned two positioning parts 422 (not shown in this figure). A concave portion 425 for inserting the convex portion 414 may be formed between the window frame 421 and the positioning member 422 .

The aforementioned optical filter 43 has two strip-shaped sliding plates 432 with a front end and an end respectively, at least one lens 431 disposed between the aforementioned two sliding plates 432, and two points at the front end and the end of the aforementioned sliding plates 432. The holding part 434. In a feasible implementation, two lenses arranged in parallel between the two sliding plates 432 are used.

The two sliding plates 432 and the two holding parts 434 of the aforementioned optical filter 43 can be combined to form a square frame that is arranged around the periphery of the aforementioned at least one lens 431 . The aforesaid can be bent into a hook shape to form a structure for arranging the aforesaid magnetic component 44 . Moreover, the aforementioned at least one lens 431 can be composed of a colorless transparent lens and a colored lens. By sliding the aforementioned optical filter 43 between the aforementioned positioning members 422 to different predetermined positions, the aforementioned colorless transparent lens or colored lens can be made to correspond to the aforementioned window frame 421 to achieve different filtering effects.

The aforementioned two magnetic elements 44 are respectively disposed on the aforementioned two holding portions 434 . In a feasible embodiment, the aforementioned magnetic member 44 is in the shape of a rod. The aforementioned magnetic member 44 can be made of magnet or artificial magnet.

Please refer to FIG. 5 , which discloses a side sectional view of the present invention.

The aforementioned two cover plates 41 are in the shape of a flat plate and limit the aforementioned optical filter 43 between the aforementioned positioning members 422, which respectively have an opening 411 corresponding to the aforementioned window frame 421, and several fixing portions 423 fixed to the aforementioned outer frame 42 The fixed structure 413 and several protrusions 414 limit the aforementioned sliding plate 432 . For ease of manufacture, each of the above-mentioned cover plates 41 can be made into a flat plate, and the aforementioned fixing structure 413 and the protrusion 414 are formed as protrusions extending outward from the cover plate 41 . Before assembling the aforementioned cover plate 41 , the aforementioned convex portion 414 is erected to be rod-shaped. When assembling, the above-mentioned outer frame 42 is sandwiched by the aforementioned two cover plates 41, the sliding plate 432 of the aforementioned optical filter is limited between the convex parts 414 of the aforementioned two cover plates 41, and at this time, the aforementioned fixing structure 413 is bent It is hooked and fastened to the aforementioned fixing portion 423 . In addition, in the embodiment in which the recessed portion 425 is formed between the aforementioned window frame 421 and the positioning member 422, the aforementioned convex portion 414 can be formed in a shape corresponding to the aforementioned recessed portion 425, and inserted into the aforementioned recessed portion 425 to achieve a limit position. The effect of the sliding plate 432 of the aforementioned optical filter 43.

Please refer to FIG. 6 and FIG. 7 , respectively disclosing schematic diagrams of different states of the utility model omitting the cover plate.

When the utility model is used, the aforementioned coils 427 are arranged corresponding to the aforementioned magnetic elements prior to the aforementioned coil setting portion 424, so that these coils 427 can correspond to the aforementioned magnetic parts 44 and have the effect of attracting or repelling due to the difference in the direction of the energized current, thereby The aforementioned optical filter 43 is slid between the aforementioned coils 427 , so that different lenses 431 corresponding to the aforementioned photosensitive element 20 exert a filtering effect. During the sliding process, the aforesaid coil 427 neither moves nor rubs against other elements, thus avoiding the problem that the coil 427 breaks due to friction and causes failure. Furthermore, in addition to the function of protection, the aforementioned cover plate 41 also has the function of limiting the aforementioned optical filter 43 by its convex portion 414, so that the sliding plate 432 of the aforementioned optical filter 43 is limited to the second cover plate 41. Between the convex parts 414. Thereby, the aforementioned optical filter 43 can be slid along the positioning member 422 of the outer frame 42 without setting additional tracks. Also, the utility model mainly adopts the aforementioned coil 427 and the aforementioned magnetic member 44 as the mechanism for driving the aforementioned optical filter 43, which is also a simple structure, so it can be easily manufactured, has a high yield rate, saves manufacturing costs, has fewer failures and The advantages of easy maintenance can greatly enhance the market competitiveness of products. It can be seen from the above that the utility model can indeed solve the existing problems and achieve the purpose of the utility model. It provides a filter component with a small volume, which can exert the filter effect and avoid failure caused by the breakage of the coil due to friction.

Claims (5)

1. filter part is characterized in that: include:

One housing, have a window frame and two and be formed at the strip keeper of relative two sides of aforementioned window frame respectively, form a joint portion between each keeper and aforementioned window frame, be arranged with a coil in both sides, aforementioned joint portion on each keeper portion is set, and be formed with several fixed parts on each keeper;

One optical filter, have two elongated and have respectively a front end and an end sliding panel, be arranged at therebetween at least one lens and two along aforementioned two sliding panels and be divided into aforementioned sliding panel front end and terminal holding parts;

Two magnetic parts are to be divided on aforementioned two holding parts;

Two cover plates are to be tabular and aforementioned optical filter is limited between the aforementioned keeper, and it has an opening corresponding to aforementioned window frame respectively, several are fixed in the fixture construction of aforementioned housing fixed part and the protuberance of several spacing aforementioned sliding panels.

2. filter part as claimed in claim 1 is characterized in that: aforementioned optical filter has two lens that are listed between the aforementioned sliding panel, and two sliding panels of aforementioned optical filter are to combine the square framework that formation one is located on aforementioned two lens peripheries with two holding parts.

3. filter part as claimed in claim 1 or 2 is characterized in that: the fixture construction of aforementioned each cover plate is to bend to hook-shaped and be fastened in the aforementioned fixation portion.

4. filter part as claimed in claim 1 or 2 is characterized in that: be formed with the depressed part that inserts for aforementioned protuberance between aforementioned window frame and the keeper.

5. filter part as claimed in claim 3 is characterized in that: be formed with the depressed part that inserts for aforementioned protuberance between aforementioned window frame and the keeper.

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