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CN-122018130-A - Front lens accessory and optical observation device

CN122018130ACN 122018130 ACN122018130 ACN 122018130ACN-122018130-A

Abstract

The present disclosure discloses a front lens accessory and an optical viewing device. The front lens accessory comprises a folding assembly, the folding assembly is provided with a fixing structure and a folding retainer, the fixing structure comprises a fixing block, one end of the fixing block is provided with a connecting convex tooth, an accommodating groove is concavely arranged on the end face of the connecting convex tooth away from the fixing block, the accommodating groove penetrates through two opposite side faces of the connecting convex tooth, two opposite side walls of the accommodating groove are connected through a guide post, a sliding hole is formed in the folding retainer, the guide post penetrates through the sliding hole and is in sliding fit with the sliding hole, the folding retainer is in sliding connection with the fixing structure, and the folding retainer is switched between a folding state and an unfolding state relative to the fixing structure through sliding connection.

Inventors

  • WANG YINGQI
  • WANG XIAO
  • XING YANFEI
  • ZHOU KANG
  • TAN MENGKE
  • CHU ZHENHUA

Assignees

  • 图湃(北京)医疗科技有限公司

Dates

Publication Date
20260512
Application Date
20251112

Claims (11)

  1. 1. A front lens accessory, comprising: The folding assembly (3) is provided with a fixing structure (31) and a folding retainer (32), wherein the fixing structure (31) comprises a fixing block (311), one end of the fixing block (311) is provided with a connecting convex tooth (312), the end face of the connecting convex tooth (312) far away from the fixing block (311) is concavely provided with a containing groove (3121), the containing groove (3121) penetrates through two opposite side faces of the connecting convex tooth (312), two opposite side walls of the containing groove (3121) are connected through a guide post (313), and the folding retainer (32) is provided with a sliding hole (321); The guide post (313) is arranged in the sliding hole (321) in a penetrating mode and is in sliding fit with the sliding hole (321), so that the folding retainer (32) is in sliding connection with the fixed structure (31), and the folding retainer (32) is switched between a folding state and an unfolding state relative to the fixed structure (31) through the sliding connection.
  2. 2. The front lens attachment according to claim 1, wherein the connection teeth (312) are arranged at an angle to the fixed block (311), and the connection teeth (312) extend away from the fixed block (311).
  3. 3. The front lens accessory of claim 1, wherein, The bottom of the accommodating groove (3121) is convexly provided with an abutting block (314), the extending direction of the abutting block (314) is arranged at an included angle with the extending direction of the accommodating groove (3121), and the extending direction of the abutting block (314) is arranged at an included angle with the extending direction of the fixed block (311).
  4. 4. A front lens accessory according to claim 3, wherein the folding holder (32) is magnetically connected with the abutment block (314) in the unfolded state.
  5. 5. A front lens accessory, comprising: The focusing device comprises a focusing module (1), wherein an interface piece (11) is arranged at the bottom of the focusing module (1), the interface piece (11) is of an annular structure, the annular structure is provided with a first annular body (111) and a second annular body (112), and the interface piece (11) is connected with the focusing module (1) through the second annular body (112); the cover cap (2) is covered on the focusing module (1); the folding assembly (3) is arranged in the cap (2) in a penetrating mode and is detachably connected with the interface piece (11) through a first ring body (111) of the interface piece (11).
  6. 6. Front lens accessory according to claim 5, wherein the folding assembly (3) comprises a folding assembly (3) in a front lens accessory according to any of claims 1-5.
  7. 7. The front lens accessory of claim 5, wherein, The first ring body (111) and the second ring body (112) are coaxially arranged, and the second ring body (112) is arranged on the outer surface of the first ring body (111); the second ring body (112) is coaxially arranged with a focusing lens of the focusing module (1).
  8. 8. The front lens accessory of claim 7, wherein, The first ring body (111) is provided with a mounting hole (1111) and a mounting opening (1112); the folding component (3) is provided with a fixed block (311), the fixed block (311) is provided with a positioning pin (33) and a locking pin (34), The mounting hole (1111) is matched with the positioning pin (33), the mounting opening (1112) is matched with the locking pin (34), and the folding assembly (3) is detachably connected with the first ring body (111).
  9. 9. The front lens accessory of claim 8, further comprising: An auxiliary disassembly assembly (35) having a guide (351), an elastic member (352) and a toggle button (353); The fixed block (311) is provided with a guide channel (3111) and a poking groove (3112); Wherein, guide (351) are located guide passageway (3111) and wear to locate stir button (353), the one end of guide (351) with fixed block (311) are connected, top screw (354) are installed to the other end of guide (351), elastic component (352) cover is located guide (351), just the one end of elastic component (352) with stir button (353) and be connected, the other end of elastic component (352) with top screw (354) are connected, stir button (353) slide to be located stir in groove (3112).
  10. 10. The front lens accessory of claim 9, wherein, A locking groove (3113) is arranged on the fixed block (311); The locking pin (34) is provided with a locking rod (341) and a mounting cap (342) arranged at one end of the locking rod (341); The locking rod (341) is arranged in the locking groove (3113) in a penetrating mode and is in sliding fit with the locking groove (3113), and the bottom end of the locking rod (341) is connected with the toggle button (353).
  11. 11. An optical viewing device comprising the front lens accessory of any one of claims 1-10.

Description

Front lens accessory and optical observation device The application is a divisional application of patent application number 202511651099.6 (the application date of the original application is 2025, 11 and 12 days, and the application is a front lens accessory and an optical observation device). Technical Field The present disclosure relates to the field of optical viewing devices, for example, to a front lens attachment and an optical viewing device. Background The optical viewing device may relate to, for example, a microscope, in particular a surgical microscope for ophthalmology or the like. Such microscopes generally have a microscope body with different optical elements and a barrel with an eyepiece. Furthermore, microscopes usually have at least one objective element. A common front lens attachment is fixed around the microscope objective element. In the related art, the folding structure of the lens frame of the front lens accessory is relatively complex, the operation is complex, and the use reliability is poor. Meanwhile, the folding structure and the cap of the front lens accessory are too integrated, so that the size is large, the disinfection operation is not facilitated, and the device cannot be widely applied to disinfection equipment and environments of different hospitals. Disclosure of Invention The disclosure provides a front lens accessory and an optical observation device. A first aspect of the present disclosure provides a front lens accessory, comprising: The folding assembly is provided with a fixing structure and a folding retainer, wherein the fixing structure comprises a fixing block, one end of the fixing block is provided with a connecting convex tooth, the end face of the connecting convex tooth, which is far away from the fixing block, is concavely provided with a containing groove, the containing groove penetrates through two opposite side faces of the connecting convex tooth, and two opposite side walls of the containing groove are connected through a guide post; The guide post penetrates through the sliding hole and is in sliding fit with the sliding hole, so that the folding retainer is in sliding connection with the fixing structure, and the folding retainer is switched between a folding state and an unfolding state relative to the fixing structure through sliding connection. A second aspect of the present disclosure provides another front lens accessory, comprising: The focusing device comprises a focusing module, wherein an interface piece is arranged at the bottom of the focusing module, the interface piece is of an annular structure, the annular structure is provided with a first annular body and a second annular body, and the interface piece is connected with the focusing module through the second annular body; the cover cap is covered on the focusing module; the folding assembly penetrates through the cap and is detachably connected with the interface piece through the first ring body of the interface piece. A third aspect of the present disclosure provides an optical viewing device comprising the front lens accessory of the first aspect. Drawings FIG. 1 is a front view of a front lens accessory in a collapsed state provided in accordance with an embodiment of the present disclosure; FIG. 2 is a front view of a front lens accessory in an extended state provided in accordance with an embodiment of the present disclosure; FIG. 3 is an exploded view of a front lens accessory at a first perspective provided in accordance with an embodiment of the present disclosure; FIG. 4 is an exploded view of a mouthpiece and folding assembly provided in accordance with an embodiment of the present disclosure; FIG. 5 is a partial cross-sectional view of a front lens accessory provided in accordance with an embodiment of the present disclosure; FIG. 6 is an exploded view of a front lens accessory at a second view angle provided in accordance with an embodiment of the present disclosure; Fig. 7 is a front view of a front lens accessory in an intermediate state provided according to an embodiment of the present disclosure. In the figure: 1. Focusing module, 11, interface piece, 111, first ring body, 1111, mounting hole, 1112, mounting opening, 112, second ring body; 2. Capping; 3. Folding component, 31, fixing structure, 311, fixing block, 3111, guide channel, 3112, toggle slot, 3113, locking slot, 312, connecting convex tooth, 3121, containing slot, 313, guide post, 314, abutting block, 32, folding retainer, 321, sliding hole, 33, locating pin, 34, locking pin, 341, locking rod, 342, mounting cap, 35, auxiliary dismounting component, 351, guide piece, 352, elastic piece, 353, toggle button, 354, top screw, 36, first magnetic component, 37, second magnetic component, 38, front lens, 39, third magnetic component. Detailed Description The present disclosure is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiment