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CN-224203485-U - Anti-extrusion optical filter clamping structure

CN224203485UCN 224203485 UCN224203485 UCN 224203485UCN-224203485-U

Abstract

The utility model discloses an anti-extrusion optical filter clamping structure, which relates to the technical field of optical filters and comprises a shell, wherein a transverse slot is formed in the shell and is I-shaped, an inserting block is inserted in the transverse slot, two clamping convex blocks are arranged on one side mirror image of the inserting block, a connecting component corresponding to the clamping convex blocks is arranged on the other side of the inserting block, a through hole is formed in the middle of the inserting block, a mounting annular table is arranged at one end of the through hole, and the optical filter component is arranged on the mounting annular table.

Inventors

  • WU SHUJUAN
  • Pan Ziran

Assignees

  • 昊跃光学科技(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20250604

Claims (6)

  1. 1. The anti-extrusion optical filter clamping structure comprises a shell (1) and is characterized in that a transverse slot is formed in the shell (1), the transverse slot is I-shaped, an inserting block (2) is inserted in the transverse slot, two buckling protruding blocks (6) are arranged on one side mirror images of the inserting block (2), a connecting component corresponding to the buckling protruding blocks (6) is arranged on the other side of the inserting block (2), a through hole is formed in the middle of the inserting block (2), a mounting annular table is arranged at one end of the through hole, and an optical filter component (3) is arranged on the mounting annular table.
  2. 2. The extrusion-resistant optical filter clamping structure of claim 1, wherein the optical filter assembly (3) comprises a compression ring (8), an optical filter lens (9) and a gasket (10), a plurality of inserting seats are annularly arranged between opposite surfaces of the mounting ring table and the gasket (10), inserting columns corresponding to the inserting seats are arranged on the gasket (10), damping springs (11) are sleeved on the inserting seats, the optical filter lens (9) is attached to the gasket (10), a plurality of L-shaped clamping grooves are formed in the inner wall of the through hole in a clockwise mode, rectangular protruding blocks corresponding to the L-shaped clamping grooves are arranged on the outer wall of the compression ring (8), and the compression ring (8) is in rotary abutting connection with the optical filter lens (9) through the L-shaped clamping grooves.
  3. 3. The extrusion-resistant optical filter clamping structure ‌ as set forth in claim 2, wherein the connection assembly comprises two mirror-image clamping grooves (5), mounting grooves (12) are formed in the tail ends of the clamping grooves (5), and pressing plates (13) are arranged in the mounting grooves (12).
  4. 4. The extrusion-resistant optical filter clamping structure ‌ as set forth in claim 3, wherein the pressing block (7) is fixedly connected to the middle of the pressing plate (13), one end of the pressing block (7) penetrates through the outer wall of the housing (1), and the other end of the pressing block (7) abuts against the fastening projection (6) inserted into the fastening groove (5).
  5. 5. The extrusion-resistant filter clamping structure ‌ as set forth in claim 4, wherein a plurality of jack springs (14) are symmetrically disposed at two ends of the bottom surface of the pressing plate (13), and a sleeve sleeved with the jack springs (14) is disposed at the jack springs (14) of the mounting groove (12).
  6. 6. The extrusion-resistant optical filter clamping structure ‌ is characterized in that a threaded hole (4) is coaxially formed between the top end of the shell (1) and the plug block (2).

Description

Anti-extrusion optical filter clamping structure Technical Field The utility model relates to the technical field of optical filters, in particular to an anti-extrusion optical filter clamping structure. Background In the field of optical equipment, the optical filter is extremely widely applied, plays a vital role from photographic equipment to medical detection equipment and from security monitoring to scientific research instruments, and can selectively transmit light rays with specific wavelengths, so that the requirements of different optical systems on the light rays are met; The conventional optical filter clamping structure is designed to be a slot type, the optical filter is directly inserted into a slot of the shell to be fixed, the slot type structure lacks of an effective buffering and positioning mechanism, the optical filter is easy to shake in the slot, when equipment is subjected to vibration, such as shaking of photographic equipment in a shooting process and vibration caused by blowing of security monitoring equipment, the optical filter and the inner wall of the slot are frequently collided and extruded, the edge of the optical filter is extremely easy to damage, an inner optical coating is also likely to fall off due to uneven stress, the optical performance of the optical filter is greatly reduced, light rays with specific wavelengths cannot be accurately screened, and imaging quality or detection accuracy of the equipment is affected, and therefore the problems are required to be improved. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides an anti-extrusion optical filter clamping structure. In order to achieve the purpose, the anti-extrusion optical filter clamping structure comprises a shell, wherein a transverse slot is formed in the shell, the transverse slot is I-shaped, an inserting block is inserted into the transverse slot, two buckling protruding blocks are arranged on one side mirror images of the inserting block, a connecting component corresponding to the buckling protruding blocks is arranged on the other side of the inserting block, a through hole is formed in the middle of the inserting block, a mounting annular table is arranged at one end of the through hole, and the optical filter component is mounted on the mounting annular table. Preferably, the filter component comprises a compression ring, a filter lens and a gasket, a plurality of plug-in sockets are annularly arranged between opposite surfaces of the mounting ring table and the gasket, plug-in columns corresponding to the plug-in sockets are arranged on the gasket, damping springs are sleeved on the plug-in sockets, the filter lens is attached to the gasket, a plurality of L-shaped clamping grooves are clockwise arranged on the inner wall of the through hole, a plurality of rectangular protruding blocks corresponding to the L-shaped clamping grooves are arranged on the outer wall of the compression ring, and the compression ring rotates to abut against the filter lens through the L-shaped clamping grooves. Preferably, the connecting assembly comprises two buckling grooves formed in a mirror image mode, a mounting groove is formed in the tail end of each buckling groove, and a pressing plate is arranged in each mounting groove. Preferably, the middle part rigid coupling of clamp plate is equipped with presses the briquetting, press the outer wall that one end of briquetting runs through the shell, press the buckle lug in the buckle groove of other end butt insertion of briquetting. Preferably, a plurality of jacking springs are symmetrically arranged at two ends of the bottom surface of the pressing plate, and sleeves sleeved with the jacking springs are arranged at the positions of the installation grooves, located at the jacking springs. Preferably, a threaded hole is coaxially formed between the top end of the shell and the plug block. Compared with the prior art, the optical filter has the beneficial effects that through the matching of the plug-in seat, the plug-in column and the damping spring in the optical filter component, the optical filter is convenient to buffer when equipment vibrates, the protection effect on the optical filter is improved, further, the functions of preventing the optical filter from being damaged and the optical coating from falling off due to vibration extrusion can be realized, and then through the matching of the pressing plate, the pressing block and the jacking spring in the connecting component, the optical filter is convenient to stably connect among a plurality of plug-in blocks provided with optical filters by using the clamping convex blocks to be inserted into the clamping grooves during installation, and when the optical filter is disassembled, the connection and separation convenience of the plug-in blocks can be improved by pressing the pressing block, so that the functions of flexibly assembling and disassembling a p