CN219266756U - Novel CPL filter - Google Patents

Abstract

The utility model relates to the technical field of CPL filters, in particular to a novel CPL filter, which solves the problems that in the prior art, one filter can only correspond to one lens and can not adapt to various types of lenses, so that in actual use, large financial resources are required to be input, and the use is not facilitated. The utility model provides a novel CPL filter, includes fixed frame, linking bridge and filter body, filter body fixed mounting is in the inside of linking bridge, the lateral wall fixed mounting of fixed frame has the mounting bracket, the filter body slides and inserts the top of establishing at the mounting bracket, the inside of fixed frame is provided with the clamping device who is used for installing the fixed frame on the lens. According to the utility model, through the structures such as the clamping device, the fixing frame, the soft sealing sleeve, the locking rope and the like, the filter body is conveniently installed on lens bodies with various sizes, and the external light source can be prevented from directly irradiating into the inside after the filter body is installed, so that the practicability is conveniently enhanced.

Description

Novel CPL filter

Technical Field

The utility model relates to the technical field of CPL filters, in particular to a novel CPL filter.

Background

The CPL filter, namely a polarizer, can generate polarized light, increase color concentration, eliminate reflected light on nonmetallic surfaces such as glass or water surface, and reduce soft focus caused by atmospheric mist in scenery illumination without changing the tone balance of the whole picture.

When the filter is installed, the filter with proper size is generally required to be selected to rotate and be in threaded connection with the lens body, but the filter with proper size is required to be selected in the connection mode, so that one filter cannot adapt to lenses with various types, and therefore in actual use, large financial resources are required to be input, and the use is not facilitated.

Disclosure of Invention

The utility model aims to provide a novel CPL filter, which solves the problems that one filter can only correspond to one lens and can not adapt to various types of lenses in the prior art when the filter is installed, so that in actual use, large financial resources are required to be input and the filter is unfavorable to use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a novel CPL filter, includes fixed frame, linking bridge and filter body, filter body fixed mounting is in the inside of linking bridge, the lateral wall fixed mounting of fixed frame has the mounting bracket, filter body slides and inserts the top of establishing at the mounting bracket, the inside of fixed frame is provided with the clamping device who is used for installing the fixed frame on the lens, clamping device includes screw rod, two movable rods, two elastic rubber pads and knob, knob fixed mounting is at the port of screw rod, the screw rod rotates and inserts the position that the lateral wall at the fixed frame is close to the top, two the top of movable rod all with fixed frame roof sliding connection, the surface screw thread of screw rod runs through two movable rods, one side fixed mounting that the mounting bracket was kept away from to the fixed frame has the go-between, one side fixed mounting that the fixed frame was kept away from to the go-between has soft seal cover, soft seal cover keeps away from the one end of go-between and sews up the flannelette sleeve, the inside of flannelette sleeve is provided with locking rope, locking rope's surface is provided with the locking piece.

Preferably, the filter body is composed of a first glass sheet, a second glass sheet and a polarizing film, wherein the first glass sheet, the second glass sheet and the polarizing film are bonded through glue, and the polarizing film is positioned between the first glass sheet and the second glass sheet.

Preferably, a round hole matched with the size of the connecting ring is formed in one side, close to the connecting ring, of the fixing frame.

Preferably, the two elastic rubber pads are respectively and fixedly arranged at one sides of the two moving rods, which are close to each other.

Preferably, the screw is provided with two opposite threads by taking the midpoint of the screw as a boundary, and the screw penetrates through the two moving rods by means of the two threads on the surface.

Preferably, one side of the top of the fixed frame, which is close to the mounting frame, is provided with two compression blocks, the bottom ends of the compression blocks are fixedly provided with sliding rods, round blocks are sleeved on the surfaces of the sliding rods in a sliding manner, springs are sleeved on the surfaces of the sliding rods, and two ends of each spring are fixedly connected with the round blocks and the compression blocks respectively.

Preferably, two sliding grooves matched with the sizes of the pressing blocks are formed in the top of the fixing frame relative to the positions of the two pressing blocks, round grooves matched with the sizes of the round blocks are formed in the bottom wall of the sliding groove, vertical grooves matched with the sizes of the sliding rods are formed in the bottom wall of the round groove, the surfaces of the sliding rods are movably connected with the vertical grooves, the surfaces of the round blocks are rotationally connected with the round grooves, and the surfaces of the pressing blocks are slidingly connected with the sliding grooves.

And a rubber pad is fixedly arranged at the bottom of the compaction block.

The compaction blocks are arranged into a U-shaped structure.

And the top of the mounting frame is provided with an arc-shaped groove.

The utility model has at least the following beneficial effects:

through setting up structures such as clamping device, fixed frame, soft seal cover and locking rope, conveniently install the filter body on the camera lens body of multiple size, can avoid outside light source direct irradiation to advance inside moreover after the installation, convenient reinforcing practicality.

The utility model also has the following beneficial effects:

through setting up detachable connection frame and filter body, conveniently dismantle the filter body from the mounting bracket and protect, avoid the second glass piece of filter body to cut and scratch or damage.

The utility model also has the following beneficial effects:

through setting up compact heap, spring, button and slide bar isotructure, conveniently restrict the connection frame inside the mounting bracket to conveniently make the connection frame dismantle and install when using, can not make the connection frame lose easily moreover, strengthen its convenience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the structure of the locking rope of the present utility model;

FIG. 4 is a schematic view of a movable rod structure according to the present utility model;

FIG. 5 is a schematic view of a connecting frame structure according to the present utility model;

FIG. 6 is a schematic view of the mounting frame of the present utility model;

FIG. 7 is a schematic view of the structure of FIG. 6A according to the present utility model;

FIG. 8 is a cross-sectional view of a mounting frame of the present utility model;

FIG. 9 is a schematic view of the structure of FIG. 8B according to the present utility model;

FIG. 10 is a cross-sectional view of a filter body according to the present utility model.

In the figure: 1. a fixed frame; 2. a connection frame; 3. a filter body; 31. a first glass sheet; 32. a polarizing film; 33. a second glass sheet; 4. a screw; 5. an elastic rubber pad; 6. a moving rod; 7. a knob; 8. a connecting ring; 9. a soft sealing sleeve; 10. a lint sleeve; 11. a locking rope; 12. a locking block; 13. a mounting frame; 14. a compaction block; 15. a rubber pad; 16. a spring; 17. round blocks; 18. a slide bar; 19. a chute; 20. a circular groove; 21. vertical grooves.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-10, a novel CPL filter, including fixed frame 1, connecting frame 2 and filter body 3, filter body 3 fixed mounting is in the inside of connecting frame 2, the lateral wall fixed mounting of fixed frame 1 has mounting bracket 13, filter body 3 slip is inserted and is established at the top of mounting bracket 13, the inside of fixed frame 1 is provided with the clamping device who is used for installing fixed frame 1 on the lens, clamping device includes screw rod 4, two movable rods 6, two elastic rubber pads 5 and knob 7, knob 7 fixed mounting is at the port of screw rod 4, screw rod 4 rotates the position that the lateral wall of inserting at fixed frame 1 is close to the top, the top of two movable rods 6 all with fixed frame 1 roof sliding connection, the surface screw thread of screw rod 4 runs through two movable rods 6, one side fixed mounting of mounting bracket 13 is kept away from to fixed frame 1 has go-between 8, one side fixed mounting of go-between 8 is kept away from fixed frame 1 has soft seal cover 9, the one end of go-between 8 is sewed up to have flannelette sleeve 10, the inside of flannelette sleeve 10 is provided with locking rope 11, the surface of locking rope 11 is provided with locking piece 12.

The scheme comprises the following working processes:

the use is with fixed frame 1 cover on the camera lens body, then utilize clamping device to press from both sides whole fixed frame 1 on the camera lens body, connect frame 2 with installing filter body 3 inserts and establishes in the inside of mounting bracket 13, soft seal cover 9 also can overlap on the camera lens body this moment, pulling locking rope 11, bind flannelette sleeve 10 on the camera lens body, make locking rope 11 can not appear not hard up with the latch segment 12, thereby utilize soft seal cover 9 and flannelette sleeve 10 play the effect of carrying out sealedly with one side of fixed frame 1, avoid the light beam to directly penetrate into from one side of fixed frame 1, influence the use of camera lens, clamping device in use directly rotates knob 7, knob 7 drives screw rod 4 and rotates, screw rod 4 drives two movable rods 6 and removes, thereby utilize two movable rods 6 to press from both sides tightly fixedly with the camera lens body.

The working process can be as follows:

through setting up structures such as clamping device, fixed frame 1, soft seal cover 9 and locking rope 11, conveniently install filter body 3 on the camera lens body of multiple size, can avoid outside light source direct irradiation to advance inside moreover after the installation, convenient reinforcing practicality.

Further, the filter body 3 is composed of a first glass sheet 31, a second glass sheet 33 and a polarizing film 32, wherein the first glass sheet 31, the second glass sheet 33 and the polarizing film 32 are bonded by glue, and the polarizing film 32 is positioned between the first glass sheet 31 and the second glass sheet 33.

Specifically, the first glass sheet 31 and the second glass sheet 33 on both sides of the polarizing film 32 may be replaced by two methods for controlling the transmittance to be achieved, and the replaced transparent glass on both sides is generally replaced by two methods, namely, the transparent glass on both sides is replaced by ND glass (middle gray glass material), and the glass materials have different types and different thicknesses and different dimming capacities, and are actually like black glass, so as to achieve the effect of reducing the transmittance of the whole filter; the second method is to reduce the transmittance of the lens by vacuum coating on the surfaces of the transparent glass at two sides (namely, an attenuation film system and a metal dimming film) so as to achieve the purpose of reducing the transmittance of the whole filter. The final purpose of the two methods is to reduce the transmittance of the whole filter by using the first glass lens 31 and the second glass lens 33 for reducing the transmittance of visible light, so that the performance of the CPL filter adopting a common polarizing diaphragm for filtering visible light is improved, and the high-definition shooting requirement of a user using the CPL filter on a camera can be met.

Further, a round hole matched with the size of the connecting ring 8 is formed in one side, close to the connecting ring 8, of the fixing frame 1, and the fixing frame 1 is conveniently sleeved on the lens body.

Further, two elastic rubber pads 5 are respectively fixedly installed on one sides of the two moving rods 6, which are close to each other, and the purpose of protecting the lens body in the clamping process can be achieved by utilizing the two elastic rubber pads 5.

Further, the screw 4 is provided with two opposite threads with its midpoint as a parting line, and the screw 4 is threaded through the two moving rods 6 by means of the two threads on the surface.

Further, one side that is close to mounting bracket 13 at the top of fixed frame 1 is provided with two compact blocks 14, and the bottom of two compact blocks 14 is all fixed mounting has slide bar 18, and the surface slip cap of slide bar 18 has round block 17, and the surface cover of slide bar 18 has spring 16, and the both ends of spring 16 respectively with round block 17 and compact block 14 fixed connection, utilize compact block 14 to restrict connecting frame 2 from the top and can't drop easily to can avoid connecting frame 2's loss in carrying the in-process.

Further, two sliding grooves 19 matched with the sizes of the pressing blocks 14 are formed in the top of the fixed frame 1 relative to the positions of the two pressing blocks 14, round grooves 20 matched with the sizes of the round blocks 17 are formed in the bottom wall of the sliding grooves 19, vertical grooves 21 matched with the sizes of the sliding rods 18 are formed in the bottom wall of the round grooves 20, the surfaces of the sliding rods 18 are movably connected with the vertical grooves 21, the surfaces of the round blocks 17 are rotatably connected with the round grooves 20, and the surfaces of the pressing blocks 14 are slidably connected with the sliding grooves 19.

Further, a rubber pad 15 is fixedly installed at the bottom of the compacting block 14, and the purpose of protecting the connecting frame 2 can be achieved by utilizing the rubber pad 15.

Further, the compacting block 14 is arranged in a U-shaped structure, and the compacting block 14 is arranged in a U-shaped structure, so that the compacting block 14 can be held conveniently by hand.

Further, offer and arc recess at the top of mounting bracket 13, when need dismantle connecting frame 2, directly hold compact heap 14 upward pulling, compact heap 14 drives slide bar 18 upward movement, circle piece 17 keeps motionless, thereby make spring 16 be stretched, rotate it after the spout 19 of compact heap 14 removal department, thereby make slide bar 18 rotate, slide bar 18 can make circle piece 17 take place simultaneously and rotate, and then make spring 16 synchronous rotation, loosen compact heap 14 after rotating, under the effect of spring 16, compact heap 14 is located the top of fixed frame 1, can utilize the arc groove at mounting bracket 13 top to take out connecting frame 2 this moment.

In summary, in use, the fixing frame 1 is sleeved on the lens body, then the whole fixing frame 1 is clamped on the lens body by using the clamping device, the connecting frame 2 provided with the filter body 3 is inserted into the mounting frame 13, at the moment, the soft sealing sleeve 9 is sleeved on the lens body, the locking rope 11 is pulled to bind the flannelette sleeve 10 on the lens body, the locking rope 11 is not loosened by using the locking block 12, thereby the soft sealing sleeve 9 and the flannelette sleeve 10 are used for sealing one side of the fixing frame 1, light beams are prevented from penetrating into one side of the fixing frame 1 directly to influence the use of the lens, the clamping device directly rotates the knob 7 in use, the knob 7 drives the screw 4 to rotate, the screw 4 drives the two moving rods 6 to move, and the lens body is clamped and fixed by using the two moving rods 6, the purpose of protecting the lens body in the clamping process can be achieved by utilizing the two elastic rubber pads 5, the connecting frame 2 is inserted into the top of the mounting frame 13, the connecting frame 2 cannot be easily separated from the top by utilizing the pressing block 14, so that the connecting frame 2 can be prevented from being lost in the carrying process, when the connecting frame 2 needs to be disassembled, the pressing block 14 is directly held and pulled upwards, the pressing block 14 drives the sliding rod 18 to move upwards, the round block 17 is kept motionless, the spring 16 is stretched, the sliding rod 18 is rotated after the sliding groove 19 is moved by the pressing block 14, the round block 17 can be simultaneously rotated by the sliding rod 18, the spring 16 is synchronously rotated, the pressing block 14 is loosened after rotation, the pressing block 14 is positioned at the top of the fixed frame 1 under the action of the spring 16, the connecting frame 2 can be directly taken out by utilizing the arc-shaped groove at the top of the mounting frame 13, the pressing block 14 is positioned in the sliding groove 19 when the connecting frame 2 is mounted, can restrict connecting frame 2, utilize rubber pad 15 can play the purpose of protection connecting frame 2, compact heap 14 sets up to "U" shape structure, conveniently hold compact heap 14 with the hand, through setting up clamping device, fixed frame 1, soft seal cover 9 and locking rope 11 isotructure, conveniently install filter body 3 on the camera lens body of multiple size, can avoid outside light source direct irradiation to advance inside after the installation moreover, conveniently strengthen the practicality, through setting up detachable connecting frame 2 and filter body 3, conveniently dismantle filter body 3 from mounting bracket 13 and protect, avoid filter body 3's second glass piece 33 to receive the scratch or damage, through setting up structures such as compact heap 14, spring 16, button 17 and slide bar 18, conveniently restrict connecting frame 2 inside mounting bracket 13, thereby make connecting frame 2 convenient dismantlement and installation when using, can not make connecting frame 2 lose easily, strengthen its convenience.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a novel CPL filter, includes fixed frame (1), connecting frame (2) and filter body (3), filter body (3) fixed mounting is in the inside of connecting frame (2), a serial communication port, the lateral wall fixed mounting of fixed frame (1) has mounting bracket (13), filter body (3) slip cartridge is established at the top of mounting bracket (13), the inside of fixed frame (1) is provided with the clamping device who is used for installing fixed frame (1) on the lens, clamping device includes screw rod (4), two movable rod (6), two elastic rubber pad (5) and knob (7), the port at screw rod (4) of knob (7) fixed mounting, screw rod (4) rotate the position that the lateral wall at fixed frame (1) is close to the top of inserting, two the top of movable rod (6) all with fixed frame (1) roof sliding connection, the surface screw thread of screw rod (4) runs through two movable rods (6), one side that fixed frame (1) kept away from (13) is fixed ring (8), one side that fixed ring (8) kept away from (8) is kept away from in soft ring (8) is connected with soft sleeve (9) of fixed ring (8), the cotton flannel is characterized in that a locking rope (11) is arranged in the cotton flannel sleeve (10), and a locking block (12) is arranged on the surface of the locking rope (11).

2. A novel CPL filter according to claim 1, wherein the filter body (3) is formed by a first glass sheet (31), a second glass sheet (33) and a polarizing film (32), the first glass sheet (31), the second glass sheet (33) and the polarizing film (32) are bonded by glue, and the polarizing film (32) is located between the first glass sheet (31) and the second glass sheet (33).

3. The novel CPL filter according to claim 1, wherein a round hole matched with the size of the connecting ring (8) is formed in one side, close to the connecting ring (8), of the fixing frame (1).

4. A novel CPL filter according to claim 1, characterized in that two said elastic rubber pads (5) are fixedly mounted on the sides of two moving rods (6) which are close to each other, respectively.

5. A novel CPL filter according to claim 1, characterized in that the screw (4) is provided with two opposite threads at its midpoint as a parting line, the screw (4) being threaded through the two moving rods (6) by means of two threads on the surface.

6. The novel CPL filter according to claim 1, wherein two compression blocks (14) are arranged on one side, close to the mounting frame (13), of the top of the fixed frame (1), sliding rods (18) are fixedly arranged at the bottom ends of the two compression blocks (14), round blocks (17) are sleeved on the surfaces of the sliding rods (18) in a sliding manner, springs (16) are sleeved on the surfaces of the sliding rods (18), and two ends of each spring (16) are fixedly connected with the round blocks (17) and the compression blocks (14) respectively.

7. The novel CPL filter according to claim 1, wherein two sliding grooves (19) matched with the sizes of the pressing blocks (14) are formed in the top of the fixed frame (1) relative to the positions of the two pressing blocks (14), round grooves (20) matched with the sizes of the round blocks (17) are formed in the bottom wall of the sliding grooves (19), vertical grooves (21) matched with the sizes of the sliding rods (18) are formed in the bottom wall of the round grooves (20), the surfaces of the sliding rods (18) are movably connected with the vertical grooves (21), the surfaces of the round blocks (17) are rotatably connected with the round grooves (20), and the surfaces of the pressing blocks (14) are slidably connected with the sliding grooves (19).

8. The novel CPL filter according to claim 7, wherein a rubber pad (15) is fixedly arranged at the bottom of the compression block (14).

9. A novel CPL filter according to claim 7, wherein said compression block (14) is configured in a "U" shape.

10. A novel CPL filter according to claim 1, characterized in that the top of the mounting bracket (13) is provided with an arc-shaped recess.

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