Built-in filter assembly and camera

Abstract

The utility model relates to the technical field of photographic equipment, and discloses a built-in filter assembly which is applied to a camera, a ring plate is arranged in front of a photosensitive element of the camera, the ring plate is provided with a step structure, the built-in filter assembly comprises a filter main body, an installation unit and a protection unit, the filter main body is clamped in the step structure, and the installation unit is connected with the protection unit. Two first magnetic blocks are embedded in one side of the filter main body, the mounting unit comprises a main plate, the middle part of the main plate is rotatably connected with a rotating rod, and one end of the rotating rod is fixedly connected with a twisting strip; according to the utility model, the filter main body is placed in the step structure of the camera ring plate through the installation unit to realize installation, the installation unit uses the second magnetic block to cooperate with the first magnetic block for magnetic attraction to install the filter main body, the second magnetic block can move after installation, then connection with the filter main body is canceled, the overall structure is simple, and the installation is convenient. When the filter main body and the camera ring plate are in contact disassembly and assembly, a hand does not need to directly touch the filter main body, so that a camera photosensitive element and the filter are prevented from being contaminated by dust, the film forming effect is not influenced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photographic equipment, in particular to a built-in filter component and a camera. Background Art

[0002] Camera filters are usually installed in front of the lens through a filter holder, but the filter holder is limited to the lenses that can be installed, and when too many filters are installed in front of the camera lens, the front end of the lens will be too heavy, affecting the photographer's operation and reducing the quality of the photos taken. Therefore, the prior art installs filters inside the camera for easy use.

[0003] Prior art, such as the patent with publication number CN210986195U, discloses a built-in filter and camera, wherein a ring plate is provided in front of the photosensitive element of the camera, and the ring plate is provided with a step structure, and the built-in filter includes a lens and a frame, and the lens is installed in the frame; an elastic component is provided on the side of the frame, and the built-in filter is fixed on the lens mount under the action of the elastic component. There is no need to install it on the filter holder outside the lens to increase the burden of the filter holder, and it can avoid affecting the photographer's operation; and the built-in filter has the advantages of smaller size and lower production cost compared to the filter installed outside. In addition, the built-in filter is installed in front of the photosensitive element, and after the lens is disassembled, it can play a role in dust protection for the photosensitive element.

[0004] The existing technology still has shortcomings:

[0005] When the filter in the above-mentioned prior art is disassembled and assembled, due to the small internal space of the ring plate, it is necessary to manually hold the filter by hand to disassemble and assemble it, which is very easy to touch the camera's photosensitive element and the filter lens, causing dust to be contaminated and affect the film-forming effect, which is not conducive to use. Therefore, a built-in filter assembly and camera are proposed. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a built-in filter assembly and a camera, which facilitates the disassembly and assembly of the filter and maintains the cleanliness of the filter lens and the camera photosensitive element.

[0007] The first aspect: To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a built-in filter assembly, applied to a camera, a ring plate is provided in front of a photosensitive element of the camera, the ring plate is provided with a step structure, the built-in filter assembly comprises a filter body, an installation unit and a protective unit, the filter body is snapped into the step structure, two first magnetic blocks are embedded on one side of the filter body, the installation unit comprises a main board, a rotating rod is rotatably connected to the middle part of the main board, a twisting strip is fixedly connected to one end of the rotating rod, a connecting strip is fixedly connected to the other end of the rotating rod, second magnetic blocks are embedded and installed on the side walls at both ends of the connecting strip, the two second magnetic blocks are magnetically attracted to the two first magnetic blocks, the protective unit is installed on the main board, and the protective unit cooperates with the main board to protect the filter plate body.

[0008] Preferably, the mounting unit further comprises a positioning ring fixedly connected to the side wall of the main board, and the positioning ring is movably plugged into the inner wall of the ring plate.

[0009] Preferably, the ring plate is provided with a limiting groove, and the mounting unit further comprises a limiting protrusion fixedly mounted on the side wall of the main board, and the limiting protrusion is movably plugged into the limiting groove.

[0010] Preferably, the protection unit comprises a protection cover threadedly connected to the outer wall of the positioning ring, and the protection cover cooperates with the main board to shield the filter body.

[0011] Preferably, the protection unit also includes a support frame fixedly installed on the side wall of the main board, the support frame supports the filter body, the outer wall of the support frame is fixedly connected with multiple baffles, the filter body is movably placed between the multiple baffles, and the outer end surface of the support frame is provided with two makeshift grooves, the rotating rod is rotatably and slidably connected to the main board, and the two ends of the connecting strip are movably plugged into the two makeshift grooves.

[0012] Preferably, a positioning groove is provided on one side of the main board close to the twisting strip, and a positioning block slidably connected to the positioning groove is fixedly connected to the outer wall of the rotating rod.

[0013] A second aspect: A camera, wherein a ring plate is provided in front of a photosensitive element of the camera, the ring plate is provided with a step structure, and includes a built-in filter as described in any one of the first aspects, and the filter body is snapped into the step structure.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model places the filter body in the step structure of the camera ring plate through the installation unit to achieve installation. The installation unit uses the second magnetic block to cooperate with the first magnetic block to install the filter body. After installation, the second magnetic block can be moved to cancel the connection with the filter body. The overall structure is simple. When the filter body is in contact with the camera ring plate for disassembly and assembly, there is no need to directly touch the filter body with hands, which avoids causing the camera photosensitive element and the filter to be contaminated with dust, affecting the film-forming effect, and improving practicality.

[0016] 2. The protective cover in the utility model can be covered outside the main board, so as to store the filter body, which is convenient for storage and carrying.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the filter body of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the ring plate during the installation process of the filter body of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the installation unit and the aluminum plate body of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the installation unit of the utility model;

[0023] Figure 6 It is a schematic diagram of the cross-sectional structure of the outer side of the mainboard and the twist strip of the utility model;

[0024] Figure 7 It is a structural schematic diagram of the protection unit and the installation unit of the utility model.

[0025] In the figure: 1. ring plate; 2. step structure; 3. limiting groove; 4. filter body; 5. mounting unit; 51. main board; 52. rotating rod; 53. twisting bar; 54. connecting bar; 55. second magnetic block; 56. positioning ring; 57. limiting protrusion; 6. protective unit; 61. support frame; 62. baffle; 63. giving way groove; 64. protective cover; 7. positioning groove; 8. positioning block; 9. first magnetic block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this technical field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] See also Figure 1-7The built-in filter assembly of this embodiment is applied to a camera. A ring plate 1 is provided in front of a photosensitive element of the camera. The ring plate 1 is provided with a step structure 2. The built-in filter assembly includes a filter body 4, a mounting unit 5 and a protective unit 6. The filter body 4 is clamped in the step structure 2. Two first magnetic blocks 9 are embedded on one side of the filter body 4. The mounting unit 5 includes a main board 51. A rotating rod 52 is rotatably connected to the middle of the main board 51. A twisting strip 53 is fixedly connected to one end of the rotating rod 52. A connecting strip 54 is fixedly connected to the other end of the rotating rod 52. Second magnetic blocks 55 are embedded and installed on the side walls at both ends of the connecting strip 54. The two second magnetic blocks 55 are magnetically attracted to the two first magnetic blocks 9. The protective unit 6 is installed on the main board 51. The protective unit 6 cooperates with the main board 51 to protect the filter body 4.

[0029] like Figure 1-6 As shown, the structure of the built-in filter assembly in the utility model is similar to the existing built-in filter assembly structure, such as a built-in filter and a camera disclosed in the patent with publication number CN210986195U. The main improvement of the utility model is to facilitate the disassembly and assembly of the filter and maintain the cleanliness of the filter lens and the camera photosensitive element; when the filter body 4 needs to be installed, the two first magnetic blocks 9 on the side wall of the filter body 4 are magnetically attracted to the two second magnetic blocks 55 on the side wall of the connecting bar 54 respectively. At this time, the main board 51 can be held, and the connection of the connecting bar 54 with the rotating rod 52 can be inserted into the ring plate 1 by magnetically attracting the filter body 4 through the second magnetic block 55 and the first magnetic block 9 to the connecting bar 54, and the filter body 4 is stuck in the step structure 2, and the step structure 2 is connected to the filter body 4 is clamped and positioned. At this time, the filter body 4 cannot rotate in the ring plate 1 due to the limitation of the step structure 2. At this time, the twisting bar 53 is rotated, and the twisting bar 53 drives the connecting bar 54 to rotate through the rotating rod 52. The connecting bar 54 drives the two second magnetic blocks 55 to separate from the two first magnetic blocks 9. At this time, the connecting bar 54 can be moved out of the ring plate 1 without taking the filter body 4 out, and the installation of the filter body 4 is completed. When the filter body 4 is disassembled, the second magnetic block 55 on the connecting bar 54 is magnetically attracted to the first magnetic block 9 of the filter body 4 in the same way, and then the connecting bar 54 is moved out of the ring plate 1, and then the filter body 4 can be taken out of the ring plate 1. During the whole process, the fingers will not touch the filter body 4 and the camera photosensitive element, so as to avoid being contaminated with dust, which affects the film-forming effect and improves practicality.

[0030] like Figure 3-5 As shown, the installation unit 5 also includes a positioning ring 56 fixedly connected to the side wall of the main board 51, and the positioning ring 56 is movably plugged into the inner wall of the ring plate 1; when the filter body 4 is installed, the positioning ring 56 is inserted into the ring plate 1, and the outer diameter of the positioning ring 56 is equal to the inner diameter of the opening of the ring plate 1, so that the main board 51 can be positioned conveniently, and the filter body 4 can be installed at the position inside the step structure 2 conveniently, which is convenient for use.

[0031] like Figure 2 , 3 As shown in Figures 5 and 6, the ring plate 1 is provided with a limiting groove 3, and the mounting unit 5 also includes a limiting protrusion 57 fixedly mounted on the side wall of the main board 51, and the limiting protrusion 57 is movably plugged into the limiting groove 3; when the filter body 4 is installed, one end of the filter body 4 contacts the side wall of the limiting protrusion 57, and the limiting protrusion 57 positions the filter body 4, and then when the filter body 4 is installed, it only needs to insert the limiting protrusion 57 into the limiting groove 3, so that the filter body 4 can be installed in the step structure 2, which is convenient for positioning and installation.

[0032] like Figure 7 As shown, the protection unit 6 includes a protection cover 64 threadedly connected to the outer wall of the positioning ring 56, and the protection cover 64 cooperates with the main board 51 to cover the filter body 4; after the filter body 4 is disassembled, the filter body 4 is magnetically attracted to the connecting strip 54, and the protection cover 64 is covered on the outside of the filter body 4, and the protection cover 64 is threadedly connected to the outer wall of the positioning ring 56, so as to protect the filter body 4 between the main board 51 and the protection cover 64, which is convenient for storage.

[0033] like Figure 4 , 5 As shown in Figures 7 and 8, the protection unit 6 also includes a support frame 61 fixedly mounted on the side wall of the main board 51, the support frame 61 supports the filter body 4, the outer wall of the support frame 61 is fixedly connected with a plurality of baffles 62, the filter body 4 is movably placed between the plurality of baffles 62, the outer end surface of the support frame 61 is provided with two make way grooves 63, the rotating rod 52 is rotatably and slidably connected to the main board 51, and the two ends of the connecting bar 54 are movably plugged into the two make way grooves 63; after the filter body 4 is disassembled, the second magnetic block 55 on the connecting bar 54 is used to cooperate with the first magnetic block 9 to make the filter body 4 moveable. The magnetic attraction of the filter body 4 pulls the twist bar 53, causing the rotating rod 52 and the main board 51 to slide, thereby causing the two ends of the connecting bar 54 to move into the make way grooves 63, driving the filter body 4 to move between the multiple baffles 62, and the filter body 4 contacts the support frame 61, and the support frame 61 supports the filter body 4. At this time, the protective cover 64 is connected to the positioning ring 56, and the end face of the support frame 61 and the inner wall of the protective cover 64 are provided with buffer sponges, and then the support frame 61 and the protective cover 64 are used to clamp and store the filter body 4 to keep the filter body 4 stable.

[0034] like Figure 6 As shown, a positioning groove 7 is provided on one side of the main board 51 close to the twisting bar 53, and a positioning block 8 is fixedly connected to the outer wall of the rotating rod 52 and is slidably connected to the positioning groove 7; the positioning block 8 is contacted with one of the positioning grooves 7 to position the rotation angle of the connecting bar 54, so that the second magnetic block 55 on the connecting bar 54 can be rotated to correspond to the first magnetic block 9 on the filter body 4 and magnetically attracted, which is convenient for use.

[0035] The implementation steps in this embodiment are as follows: when the filter body 4 needs to be installed, the two first magnetic blocks 9 on the side walls of the filter body 4 are respectively magnetically attracted to the two second magnetic blocks 55 on the side walls of the connecting strip 54, and the twisting strip 53 is moved so that the twisting strip 53 contacts the outer side of the main board 51. At this time, one side of the filter body 4 contacts the side wall of the limiting protrusion 57, and the limiting protrusion 57 positions the filter body 4. At this time, the main board 51 can be held, and the connection between the connecting strip 54 and the rotating rod 52 is connected. The filter body 4 magnetically attracted to the connecting strip 54 through the second magnetic block 55 and the first magnetic block 9 is inserted into the ring plate 1, and the positioning ring 56 is inserted into the ring plate 1, and the limiting protrusion 57 is inserted into the limiting groove 3, and then the insertion position of the filter body 4 is positioned, so that the filter body 4 is stuck in the step structure 2, and the step structure 2 is clamped and positioned on the filter body 4. At this time, the filter body 4 cannot rotate in the ring plate 1 due to the restriction of the step structure 2, and the twisting strip 53 is turned. , the twisting strip 53 drives the connecting strip 54 to rotate through the rotating rod 52, and the connecting strip 54 drives the two second magnetic blocks 55 to separate from the two first magnetic blocks 9, at this time, the connecting strip 54 can be moved out of the ring plate 1 without taking the filter body 4 out, and the installation of the filter body 4 is completed; when the filter body 4 is disassembled, the second magnetic block 55 on the connecting strip 54 is magnetically attracted to the first magnetic block 9 of the filter body 4 in the same way, and then the connecting strip 54 is moved out of the ring plate 1, and then the filter body 4 can be taken out of the ring plate 1, and then the twisting strip 53 is pulled to slide the rotating rod 52 and the main board 51, so that the two ends of the connecting strip 54 are moved into the giving groove 63, driving the filter body 4 to move between the multiple baffles 62, and the filter body 4 is in contact with the support frame 61, and the support frame 61 supports the filter body 4. At this time, the protective cover 64 is connected to the positioning ring 56, and the filter body 4 is clamped and stored by the support frame 61 and the protective cover 64.

[0036] Embodiment 2:

[0037] See also Figure 1-3 The camera of this embodiment has a ring plate 1 in front of the photosensitive element of the camera, and the ring plate has a step structure 2, including a built-in filter of any one of the first embodiments, and the filter body 4 is clamped in the step structure 2.

[0038] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A built-in filter assembly, applied to a camera, wherein a ring plate (1) is provided in front of a photosensitive element of the camera, and the ring plate (1) is provided with a step structure (2), characterized in that: The built-in filter assembly comprises a filter body (4), a mounting unit (5) and a protection unit (6); the filter body (4) is clamped in the step structure (2); two first magnetic blocks (9) are embedded on one side of the filter body (4); the mounting unit (5) comprises a main board (51); a rotating rod (52) is rotatably connected to the middle of the main board (51); one end of the rotating rod (52) is fixedly connected to a twisting strip (53); the other end of the rotating rod (52) is fixedly connected to a connecting strip (54); second magnetic blocks (55) are embedded and installed on both end side walls of the connecting strip (54); the two second magnetic blocks (55) are magnetically attracted to the two first magnetic blocks (9); the protection unit (6) is mounted on the main board (51); and the protection unit (6) cooperates with the main board (51) to protect the filter body (4).

2. A built-in filter assembly according to claim 1, characterized in that: The mounting unit (5) further comprises a positioning ring (56) fixedly connected to the side wall of the main board (51), and the positioning ring (56) is movably plugged into the inner wall of the ring plate (1).

3. A built-in filter assembly according to claim 2, characterized in that: The ring plate (1) is provided with a limiting groove (3), and the mounting unit (5) further comprises a limiting protrusion (57) fixedly mounted on the side wall of the main board (51), and the limiting protrusion (57) is movably plugged into the limiting groove (3).

4. A built-in filter assembly according to claim 2, characterized in that: The protection unit (6) comprises a protection cover (64) threadedly connected to the outer wall of the positioning ring (56), and the protection cover (64) cooperates with the main board (51) to shield the filter body (4).

5. A built-in filter assembly according to claim 4, characterized in that: The protection unit (6) further comprises a support frame (61) fixedly mounted on the side wall of the main board (51), the support frame (61) supports the filter body (4), a plurality of baffles (62) are fixedly connected to the outer wall of the support frame (61), the filter body (4) is movably placed between the plurality of baffles (62), two clearance grooves (63) are provided on the outer end surface of the support frame (61), the rotating rod (52) is rotatably and slidably connected to the main board (51), and the two ends of the connecting bar (54) are movably plugged into the two clearance grooves (63).

6. The built-in filter assembly according to claim 1, characterized in that: A positioning groove (7) is provided on one side of the main board (51) close to the twisting strip (53), and a positioning block (8) which is slidably connected to the positioning groove (7) is fixedly connected to the outer wall of the rotating rod (52).

7. A camera, wherein a ring plate (1) is provided in front of a photosensitive element of the camera, and the ring plate is provided with a step structure (2), wherein: The built-in filter comprises any one of claims 1 to 6, wherein the filter body (4) is snap-fitted into the step structure (2).

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