Search

CN-122018141-A - Adjustable magnifier

CN122018141ACN 122018141 ACN122018141 ACN 122018141ACN-122018141-A

Abstract

The invention relates to the technical field of magnifier adjustment, and discloses an adjustable magnifier, which comprises a magnifier handle, a lower end magnifier assembly, an upper end magnifier assembly, an adjusting assembly, a movable toothed belt, a flip positioning plate, a mounting connecting column, a limiting sleeve and a limiting adjusting rod, wherein the magnifier handle provides a basic mounting platform for the whole device, the mounting connecting column is fixedly arranged on the magnifier handle and is provided with a horizontal axis, the device realizes synchronous and reverse adjustment of two magnifier lenses through cooperative transmission of the movable toothed belt and the adjusting assembly, the distance is always aligned in parallel in the changing process, the optical center offset is avoided, the imaging ghost and blurring problems are avoided, the observing definition and accuracy are obviously improved, the adjusting process of the device is smooth, the magnification is in linear change, the detail requirements of different observation objects can be precisely matched, and the device is suitable for various scenes such as daily reading, fine operation and the like.

Inventors

  • YANG SHENGXU
  • YANG JIE

Assignees

  • 诸暨市星特光电科技有限公司

Dates

Publication Date
20260512
Application Date
20260319

Claims (8)

  1. 1. The adjustable magnifier is characterized by comprising a magnifier handle (1), a lower end amplifying assembly (2), an upper end amplifying assembly (3), an adjusting assembly (4), a movable toothed belt (5), a flip positioning plate (8), an installation connecting column (10), a limit sleeve (101) and a limit adjusting rod (102), The magnifier handle (1) provides a basic installation platform for the whole device; the mounting connecting column (10) is fixedly mounted on the magnifier handle (1) and is provided with a horizontal axis; the lower end amplifying assembly (2) and the upper end amplifying assembly (3) are movably sleeved on the mounting connecting column (10) and are mounted on the inner side of the magnifier handle (1), wherein the lower end amplifying assembly (2) and the upper end amplifying assembly (3) are coaxially arranged and can rotate along the mounting connecting column (10); the adjusting component (4) is movably arranged between the lower end amplifying component (2) and the upper end amplifying component (3), and can enable the upper end amplifying component (3) to synchronously and reversely rotate when the lower end amplifying component (2) rotates; The movable toothed belt (5) is movably sleeved on the inner side of the magnifier handle (1), the outer wall of the movable toothed belt (5) is meshed with the lower end amplifying assembly (2), and the rotation of the lower end amplifying assembly (2) can be controlled through the movable toothed belt (5); the flip cover positioning plate (8) can restrict or release the movable toothed belt (5) through the flip cover; The limiting sleeve (101) and the limiting adjusting rod (102) are connected with the lower end amplifying assembly (2) and the upper end amplifying assembly (3) and used for keeping the lower end amplifying assembly (2) and the upper end amplifying assembly (3) parallel and aligned when rotating.
  2. 2. An adjustable magnifier according to claim 1, wherein the magnifier handle (1) comprises a hand-held connecting rod (11), an extension limiting plate (12) and a constraint fixing column (13), two constraint fixing columns (13) and a mounting connecting column (10) are fixedly arranged from the center to one end on the inner side of the hand-held connecting rod (11), the extension limiting plate (12) is fixedly arranged at one end, close to the mounting connecting column (10), of the hand-held connecting rod (11), and the movable toothed belt (5) is movably sleeved on the two constraint fixing columns (13).
  3. 3. An adjustable magnifier according to claim 2, wherein the lower end magnifier assembly (2) comprises a lower end magnifier lens (21), a first rotary connecting block (22), a first connecting arm (23), a first mounting ring (24), a first positioning adjusting block (25) and a first tilting slot (26), wherein the first rotary connecting block (22) and the first positioning adjusting block (25) are respectively and fixedly arranged on opposite side surfaces of the lower end magnifier lens (21), the first connecting arm (23) is movably connected to the first rotary connecting block (22), the first mounting ring (24) is fixedly arranged on one end, far away from the first rotary connecting block (22), of the first connecting arm (23), and the first tilting slot (26) is formed on the inner wall of the first connecting arm (23).
  4. 4. An adjustable magnifier according to claim 3, wherein the upper end magnifier assembly (3) comprises an upper end magnifier lens (31), a second rotary connecting block (32), a second connecting arm (33), a second mounting ring (34), a second positioning adjusting block (35) and a second tilting slot (36), the second rotary connecting block (32) and the second positioning adjusting block (35) are respectively and fixedly arranged on opposite sides of the upper end magnifier lens (31), the second connecting arm (33) is movably connected to the second rotary connecting block (32), the second mounting ring (34) is fixedly arranged at one end far away from the second rotary connecting block (32), and the second tilting slot (36) is formed in the inner wall of the second connecting arm (33).
  5. 5. The adjustable magnifier according to claim 4, wherein the lower end magnifying assembly (2) and the upper end magnifying assembly (3) are movably sleeved on the mounting connection column (10) through a first mounting ring (24) and a second mounting ring (34), a curved toothed plate is fixedly arranged on one side, opposite to the restraining fixed column (13), of the first mounting ring (24), the movable toothed belt (5) is meshed with the curved toothed plate on one side of the restraining fixed column (13), and when the movable toothed belt (5) rotates on the restraining fixed column (13), the first mounting ring (24) can be driven to rotate together.
  6. 6. The adjustable magnifier according to claim 5, wherein the adjusting assembly (4) comprises a movable adjusting plate (41), a second adjusting column (42), a first adjusting column (43), a guide constraint rod (44) and a hollow supporting frame (45), the second adjusting column (42) and the first adjusting column (43) are movably arranged on the second inclined groove (36) and the first inclined groove (26) respectively, two ends of the hollow supporting frame (45) are fixedly connected to the two extension limiting plates (12) respectively, the guide constraint rod (44) is movably arranged on the inner side of the hollow supporting frame (45), one end of the guide constraint rod (44) is fixedly connected with the movable adjusting plate (41), and the movable adjusting plate (41) is in a vertical state through the constraint of the guide constraint rod (44) and the hollow supporting frame (45), so that the first adjusting column (43) is always located under the second adjusting column (42).
  7. 7. The adjustable magnifier is characterized in that a magnetic attraction fixing block (7) is fixedly arranged on the upper surface of the handheld connecting rod (11), two rotary locating blocks (6) are fixedly arranged on the handheld connecting rod (11), the two rotary locating blocks (6) are oppositely arranged on the handheld connecting rod (11), one end of each rotary locating block (6) is movably arranged on the inner side of the corresponding flip locating plate (8), so that the flip locating plate (8) can turn over by taking the rotary locating block (6) as an axle center, a magnetic connecting sheet (9) is fixedly arranged on one surface, close to the handheld connecting rod (11), of the flip locating plate (8), and when the flip locating plate (8) is attached to the right upper side of the movable toothed belt (5) to restrict the movable toothed belt, the magnetic connecting sheet (9) and the magnetic attraction fixing block (7) are attached to each other and adsorbed.
  8. 8. The adjustable magnifier according to claim 7, wherein the limit sleeve (101) and the limit adjusting rod (102) are respectively and fixedly arranged on the second positioning adjusting block (35) and the first positioning adjusting block (25), the movable end of the limit sleeve (101) is sleeved on the limit adjusting rod (102), the lower magnifier lens (21) is positioned right above the upper magnifier lens (31), and the lower magnifier lens (21) and the upper magnifier lens (31) are relatively arranged in parallel.

Description

Adjustable magnifier Technical Field The invention relates to the technical field of magnifier adjustment, in particular to an adjustable magnifier. Background The magnifying glass is a common optical tool for magnifying an object image by converging light rays by utilizing a convex lens optical principle, the core component of the magnifying glass is a convex lens with positive diopter, the magnifying glass is widely applied to the field of fine operation, tiny printed characters are read, welding and overhauling of electronic components are carried out, identification and processing of jewelry, clock maintenance, biological specimen observation, artwork repair and model making are carried out, in the scenes, a user often needs to flexibly adjust the magnification according to the detail size, the definition requirement or the personal vision difference of an observation object, so that the optimal observation effect is obtained, the traditional single-lens magnifying glass is simple in structure and low in cost, but the magnification is only determined by the fixed focal length of a lens, and the requirement of the flexible adjustment cannot be met. The prior magnifier has the advantages that the lens components are respectively fixed on the brackets which can move along the sliding rail or the guide rod, the user directly pushes and pulls one or two brackets to enable the brackets to slide on the sliding rail to change the distance, and part of the design can be provided with simple buckles or friction plates for temporarily fixing the position. However, in the adjusting process, the parallel and alignment of the lenses are difficult to ensure, in the adjusting process of the lens spacing, the upper lens and the lower lens are difficult to ensure that the upper lens group and the lower lens group are completely synchronous and symmetrically move towards each other or back to back, which can lead to the deviation of the optical center of the lenses in the adjusting process, the imaging quality is also destroyed, and the change of magnification is nonlinear or inaccurate. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention provides an adjustable magnifier that can effectively solve the above-mentioned problems in the prior art. In order to achieve the above purpose, the invention is realized by the following technical scheme: the invention provides an adjustable magnifier, which comprises a magnifier handle, a lower end magnifying assembly, an upper end magnifying assembly, an adjusting assembly, a movable toothed belt, a flip positioning plate, an installation connecting column, a limit sleeve and a limit adjusting rod, The magnifier handle provides a basic mounting platform for the whole device; the mounting connecting column is fixedly mounted on the magnifier handle and is provided with a horizontal axis; The lower end amplifying assembly and the upper end amplifying assembly are movably sleeved on the mounting connecting column and are mounted on the inner side of the handle of the magnifying glass, wherein the lower end amplifying assembly and the upper end amplifying assembly are coaxially arranged and can rotate along the mounting connecting column; The adjusting component is movably arranged between the lower end amplifying component and the upper end amplifying component, and the upper end amplifying component can synchronously and reversely rotate when the lower end amplifying component rotates; The movable toothed belt is movably sleeved on the inner side of the magnifier handle, the outer wall of the movable toothed belt is meshed with the lower end amplifying assembly, and the rotation of the lower end amplifying assembly can be controlled through the movable toothed belt; The flip cover positioning plate can restrict or release the movable toothed belt through the flip cover; the limiting sleeve and the limiting adjusting rod are connected with the lower end amplifying assembly and the upper end amplifying assembly and used for keeping the lower end amplifying assembly and the upper end amplifying assembly parallel and aligned when rotating. Still include, the magnifying glass handle includes handheld connecting rod, extension limiting plate and restraint fixed column, two restraint fixed columns and installation spliced pole are fixed from center to one end to the inboard of handheld connecting rod, the one end that the handheld connecting rod is close to the installation spliced pole is fixed to be equipped with the extension limiting plate, movable toothed belt activity cup joints on two restraint fixed columns. Still include, lower extreme amplification subassembly includes lower extreme magnifying glass lens, rotates the connecting block, a linking arm, a collar, a location regulating block and a tilting slot, a rotation connecting block and a location regulating block respectively fixed mounting on the side that the lower extreme mag