CN218446211U - Electronic magnifier - Google Patents
Electronic magnifier Download PDFInfo
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- CN218446211U CN218446211U CN202222446377.2U CN202222446377U CN218446211U CN 218446211 U CN218446211 U CN 218446211U CN 202222446377 U CN202222446377 U CN 202222446377U CN 218446211 U CN218446211 U CN 218446211U
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- main body
- helical gear
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- 238000005286 illumination Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses an electronic magnifier, which comprises a base, an electronic magnifier main body, an electronic imager, a lighting unit, an adjusting bracket, a support frame and a fine adjustment mechanism, wherein the lighting unit is arranged on the electronic magnifier main body; the fine adjustment mechanism comprises a helical rack, a helical gear and a fine adjustment knob, the helical rack is fixed on the side surface of the support frame along the up-down direction, a chute which extends along the up-down direction and is provided with an opening at the upper end and/or the lower end is arranged on the side surface of the adjusting frame, a notch of the chute is in a necking shape, and the helical rack is matched with the chute in a sliding way; the helical gear is rotatably arranged in the adjusting frame around the axis of the helical gear and is meshed with the helical rack in the sliding chute; the fine adjustment knob is located on the outer side of the adjusting frame and is coaxially and fixedly connected with the bevel gear. The utility model discloses when carrying out the fine setting operation, whole work is steady, the noise is little.
Description
Technical Field
The utility model relates to an image detection technology field that enlargies especially relates to an electronic magnifier.
Background
The electronic magnifying glass is a magnifying glass which can magnify an object by 10-400 times and can adjust the magnification, and an electronic camera (comprising an optical system) is used for outputting shot images, characters and the like to a computer screen. The electronic magnifier in the prior art generally comprises a base, an electronic magnifier main body, an electronic imager, an illuminating unit, an adjusting frame and the like, wherein the electronic magnifier main body transmits images to a computer through the electronic imager, the illuminating unit is installed on the electronic magnifier main body, a supporting rod is arranged on the base, and the adjusting frame is connected to the supporting rod in a vertically movable manner. At present, the existing electronic magnifier mainly includes the following two types, the first type only has a rough adjustment function: directly and fixedly connecting the electronic magnifier main body to the adjusting frame; the second type has not only a coarse adjustment function but also a fine adjustment function: in addition, a support frame is arranged, the electronic magnifier main body is arranged on the support frame, and the support frame can be connected to the adjusting frame up and down. For the first electronic magnifier, the height of the electronic magnifier main body is inconvenient to adjust and the adjusting precision is low due to the fact that only the coarse adjusting function is provided. For the second kind of electronic magnifier, although the fine adjustment function is added, the adjustment is simpler and more convenient, and the adjustment angle is higher, but the following disadvantages also exist: the fine tuning noise is larger and not stable enough.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic magnifier to the technical problem that prior art exists.
The utility model provides a technical scheme that its technical problem adopted is: an electronic magnifier comprises a base, an electronic magnifier main body, an electronic imager, an illumination unit, an adjusting frame, a supporting frame and a fine adjustment mechanism, wherein the electronic magnifier main body transmits an image to a computer through the electronic imager; the fine adjustment mechanism comprises a helical rack, a helical gear and a fine adjustment knob, the helical rack is fixed on the side surface of the support frame along the up-down direction, a chute which extends along the up-down direction and is provided with an opening at the upper end and/or the lower end is arranged on the side surface of the adjusting frame, a notch of the chute is in a necking shape, and the helical rack is matched with the chute in a sliding way; the helical gear is rotatably arranged in the adjusting frame around the axis of the helical gear and meshed with the helical rack in the sliding groove; the fine adjustment knob is located on the outer side of the adjusting frame and is coaxially and fixedly connected with the bevel gear.
Furthermore, the bevel gear is fixed on a rotating shaft, and the fine adjustment knob is fixedly connected to the end part of the rotating shaft; the fine adjustment mechanism further comprises a sheath, the sheath is fixedly arranged on the adjusting frame in a penetrating mode and sleeved outside the rotating shaft, and a yielding notch is formed in the position, facing the helical gear, of the sheath so that the helical gear can be exposed locally and meshed with the helical gear.
Furthermore, the number of the fine adjustment knobs is two, and the two fine adjustment knobs are respectively fixed at two ends of the rotating shaft.
Further, the helical rack comprises a wide part and a narrow part which are integrally formed, the narrow part is positioned on one side of the wide part, which is opposite to the support frame, the width of the wide part is larger than that of the narrow part, the cross section of the wide part is in a dovetail shape, and one side surface of the narrow part, which is opposite to the wide part, is provided with a row of helical teeth which are positioned between the upper end part and the lower end part of the narrow part and used for being meshed with the helical gear; the cross section shape of the sliding groove is matched with that of the helical rack.
Furthermore, the support frame is in an inverted L shape, the end part of the horizontal part of the support frame is provided with a mounting hole which is through up and down, and the electronic magnifier main body is arranged in the mounting hole in a penetrating way and locked by a locking screw; the outer side surface of the vertical part of the support frame is fixedly connected with the helical rack.
Furthermore, the illumination unit is provided with an annular through hole which is vertically communicated, the electronic magnifier body is arranged in the annular through hole in a penetrating mode, the periphery of the annular through hole of the illumination unit is in threaded connection with a plurality of fastening screws, each fastening screw is located in the radial direction of the annular through hole, and the tail of each fastening screw abuts against the outer side face of the bottom of the electronic magnifier body.
Further, the lighting unit is provided with a plurality of LED lamps distributed around the electronic magnifier main body; and the lighting unit is provided with a control switch of the LED lamp.
Furthermore, the bottom of the electronic magnifier main body is provided with a focusing knob.
Furthermore, the adjusting bracket is movably sleeved outside the supporting rod and is in threaded connection with an adjusting knob, and the tail of the adjusting knob is abutted against the outer side face of the supporting rod.
Further, the electronic imager is fixed on the top end of the electronic magnifier main body.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a fine-tuning includes rack bar, helical gear and fine setting knob make the fine setting operation very convenient, and the rack bar is comparatively steady with the helical gear meshing, and the impact is little with the noise, makes the utility model discloses during the fine setting operation, whole work is steady, the noise is little. Specially, the helical rack and the chute are installed in a matching way, so that the fine adjustment mechanism of the utility model is more simple and convenient to install and has a simpler structure.
2. The fine adjustment mechanism further comprises the protective sleeve, and when lubricating oil is added between the helical gear and the helical rack to reduce friction force, the lubricating oil is contained by the protective sleeve, so that the lubricating oil is reduced from dropping downwards.
3. The number of the fine adjustment knobs is two, so that the user can adjust the fine adjustment knobs more conveniently.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic perspective view of a helical gear portion of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
FIG. 4 is an enlarged schematic view of portion B of FIG. 1;
fig. 5 is a schematic perspective view of the present invention;
fig. 6 is a top view of the present invention;
FIG. 7 is an enlarged schematic view of portion C of FIG. 6;
the electronic magnifier comprises a base 1, a base 2, a support rod 3, an electronic magnifier body 31, a focusing knob 4, an electronic imager 5, a lighting unit 51, a control switch 6, a support frame 7, an adjusting frame 71, a sliding groove 8, a helical rack 81, a wide part 82, a narrow part 83, helical teeth 84, an end part 9, a helical gear 10, a fine adjusting knob 20, a sheath 201, a abdicating notch 30, a fastening screw 40 and an adjusting knob.
Detailed Description
Referring to fig. 1-7, the electronic magnifier of the present invention comprises a base 1, an electronic magnifier main body 3, an electronic imager 4, a lighting unit 5, an adjusting bracket 7, a supporting frame 6 and a fine adjustment mechanism, wherein the electronic magnifier main body 3 transmits an image to a computer through the electronic imager 4, the electronic imager 4 is fixed on the top end of the electronic magnifier main body 3, the lighting unit 5 is installed on the electronic magnifier main body 3, the electronic magnifier main body 3 is installed on the supporting frame 6, the base 1 is provided with a supporting rod 2, and the adjusting bracket 7 is connected to the supporting rod 2 in a way of moving up and down; the fine adjustment mechanism comprises a helical rack 8, a helical gear 9 and a fine adjustment knob 10, the helical rack 8 is fixed on the side surface of the support frame 6 along the up-down direction, a sliding groove 71 which extends along the up-down direction and is provided with an opening at the upper end and/or the lower end is arranged on the side surface of the adjusting frame 7, the notch of the sliding groove 71 is in a necking shape, and the helical rack 8 and the sliding groove 71 are in adaptive sliding connection; the bevel gear 9 is rotatably arranged in the adjusting frame 7 around the axis thereof and is meshed with the bevel rack 8 in the sliding groove 71; the fine adjustment knob 10 is positioned on the outer side of the adjusting frame 7 and is coaxially and fixedly connected with the bevel gear 9.
In this embodiment, the bevel gear 9 is fixed to a rotating shaft (not shown), and the fine adjustment knob 10 is fixedly connected to an end of the rotating shaft. The number of the fine adjustment knobs 10 is two, but is not limited thereto, and in other embodiments, the number of the fine adjustment knobs 10 is one. Two fine tuning knobs 10 are respectively fixed at both ends of the rotating shaft. As shown in fig. 1 and fig. 2, the fine adjustment mechanism further includes a sheath 20, the sheath 20 is fixedly inserted into the adjusting frame 7 and is sleeved outside the rotating shaft, and a position of the sheath 20 facing the helical rack 8 is provided with a relief notch 201 for exposing a part of the helical gear 9 and engaging with the helical rack 8. The arrangement of the sheath 20 can reduce the downward dropping of the lubricating oil by using the sheath 20 to catch the lubricating oil when the lubricating oil is added between the helical gear 9 and the helical rack 8 to reduce the friction force.
In this embodiment, as shown in fig. 3, the helical rack 8 comprises a wide portion 81 and a narrow portion 82 which are integrally formed, the narrow portion 82 is located on a side of the wide portion 81 facing away from the supporting frame 6, the width of the wide portion 81 is greater than that of the narrow portion 82, the cross section of the wide portion 81 is dovetail-shaped, and a side surface of the narrow portion 82 facing away from the wide portion 81 is provided with a row of helical teeth 83 located between upper and lower end portions 84 thereof and configured to engage with the helical gear 9. The upper and lower end portions 84 of the narrow portion 82 facing away from one side surface of the wide portion 81 are straight surfaces to limit the helical gear 9 from being disengaged from the helical rack 8. The cross-sectional shape of the slide groove 71 is adapted to the cross-sectional shape of the helical rack 8, as shown in fig. 4. Therefore, the helical rack 8 is matched with the sliding groove 71 in a sliding manner, so that the helical rack 8 is prevented from being separated from the sliding groove 71 laterally while guiding is realized.
In this embodiment, the supporting frame 6 is in an inverted L shape, an installation hole penetrating up and down is formed at an end of a horizontal portion of the supporting frame, and the electronic magnifier main body 3 is inserted into the installation hole and locked by a locking screw (not shown in the figure); the outer side surface of the vertical part of the support frame 6 is fixedly connected with the helical rack 8.
In this embodiment, the illumination unit 5 is provided with an annular through hole which is through from top to bottom, the electronic magnifier body 3 is arranged in the annular through hole in a penetrating manner, the illumination unit 5 is connected with a plurality of fastening screws 30 in a threaded manner at the peripheral edge of the annular through hole, each fastening screw 30 is respectively located in the radial direction of the annular through hole, and the tail part of each fastening screw 30 is respectively abutted against the outer side surface of the bottom of the electronic magnifier body 3. The lighting unit 5 is provided with a plurality of LED lamps (shown as a real example) distributed around the electronic magnifier main body 3; the lighting unit 5 is provided with a control switch 51 of the LED lamp, and the LED lamp can be turned on or off.
In this embodiment, the bottom of the electronic magnifier main body 3 is provided with a focusing knob 31 for adjusting the focal length of the electronic magnifier main body 3.
In this embodiment, the adjusting frame 7 is movably sleeved outside the supporting rod 2, and is connected with an adjusting knob 40 through a thread, and the tail of the adjusting knob 40 abuts against the outer side surface of the supporting rod 2.
The utility model discloses an electronic magnifier, when needs are adjusted roughly, only need loosen adjust knob 40, with the alignment jig 7 along bracing piece 2 remove suitable position after, lock adjust knob 40 again can. When fine adjustment is needed, only one fine adjustment knob 10 needs to be rotated to drive the helical gear 9 to rotate, and the helical gear 9 drives the helical rack 8 to ascend or descend to a proper position. After the fine adjustment knob 10 is released by the human hand, the helical gear 9 stops rotating, the helical gear 9 and the helical rack 8 keep a meshed state, and therefore, the electronic magnifier main body 3 on the support frame 6 is also kept at the adjusted height.
The utility model discloses an electronic magnifier, it adopts rack 8 and helical gear 9 to mesh, makes the utility model discloses when carrying out the fine setting operation, whole work is steady, the noise is little. In particular, the helical rack 8 is installed in cooperation with the sliding groove 71, so that the fine adjustment mechanism of the present invention is more convenient to install and has a simpler structure.
The utility model discloses an electronic magnifier, the part that does not relate to (for example the structure and the theory of operation etc. of electronic magnifier main part 3) all is the same with prior art or can adopt prior art to realize.
The above embodiments are only used to further illustrate the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the technical solution of the present invention.
Claims (10)
1. An electronic magnifier comprises a base, an electronic magnifier main body, an electronic imager, an illumination unit, an adjusting frame, a supporting frame and a fine adjustment mechanism, wherein the electronic magnifier main body transmits an image to a computer through the electronic imager; the method is characterized in that: the fine adjustment mechanism comprises a helical rack, a helical gear and a fine adjustment knob, the helical rack is fixed on the side surface of the support frame along the up-down direction, a chute which extends along the up-down direction and has an opening at the upper end and/or the lower end is arranged on the side surface of the adjustment frame, a notch of the chute is in a necking shape, and the helical rack is matched with the chute in a sliding way; the helical gear is rotatably arranged in the adjusting frame around the axis of the helical gear and meshed with the helical rack in the sliding groove; the fine adjustment knob is located on the outer side of the adjusting frame and is coaxially and fixedly connected with the bevel gear.
2. The electronic loupe of claim 1, wherein: the helical gear is fixed on a rotating shaft, and the fine adjustment knob is fixedly connected to the end part of the rotating shaft; the fine adjustment mechanism further comprises a sheath, the sheath is fixedly arranged on the adjusting frame in a penetrating mode and sleeved outside the rotating shaft, and a yielding notch is formed in the position, facing the helical gear, of the sheath so that the helical gear can be exposed locally and meshed with the helical gear.
3. The electronic loupe of claim 2, wherein: the number of the fine adjustment knobs is two, and the two fine adjustment knobs are respectively fixed at two ends of the rotating shaft.
4. The electronic loupe of claim 1, wherein: the helical rack comprises a wide part and a narrow part which are integrally formed, the narrow part is positioned on one side of the wide part, which is opposite to the support frame, the width of the wide part is larger than that of the narrow part, the cross section of the wide part is in a dovetail shape, and one side surface of the narrow part, which is opposite to the wide part, is provided with a row of helical teeth which are positioned between the upper end part and the lower end part of the narrow part and are used for being meshed with the helical gear; the cross section shape of the sliding groove is matched with that of the helical rack.
5. The electronic loupe of claim 1, wherein: the support frame is in an inverted L shape, the end part of the horizontal part of the support frame is provided with a mounting hole which is communicated up and down, and the electronic magnifier main body is arranged in the mounting hole in a penetrating way and locked by a locking screw; the outer side surface of the vertical part of the support frame is fixedly connected with the helical rack.
6. The electronic loupe of claim 1, wherein: the electronic magnifier comprises an electronic magnifier body and an illumination unit, wherein the illumination unit is provided with an annular through hole which is communicated up and down, the electronic magnifier body is arranged in the annular through hole in a penetrating mode, the periphery of the annular through hole of the illumination unit is in threaded connection with a plurality of fastening screws, each fastening screw is located in the radial direction of the annular through hole, and the tail of each fastening screw abuts against the outer side face of the bottom of the electronic magnifier body.
7. The electronic loupe of claim 6, wherein: the lighting unit is provided with a plurality of LED lamps distributed around the electronic magnifier main body; and the lighting unit is provided with a control switch of the LED lamp.
8. The electronic loupe of claim 1, wherein: and a focusing knob is arranged at the bottom of the electronic magnifier main body.
9. The electronic loupe of claim 1, wherein: the adjusting frame is movably sleeved outside the supporting rod, an adjusting knob is connected with the adjusting frame through threads, and the tail of the adjusting knob is abutted against the outer side face of the supporting rod.
10. The electronic loupe of claim 8, wherein: the electronic imager is fixed on the top end of the electronic magnifier main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222446377.2U CN218446211U (en) | 2022-09-15 | 2022-09-15 | Electronic magnifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222446377.2U CN218446211U (en) | 2022-09-15 | 2022-09-15 | Electronic magnifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218446211U true CN218446211U (en) | 2023-02-03 |
Family
ID=85104987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222446377.2U Active CN218446211U (en) | 2022-09-15 | 2022-09-15 | Electronic magnifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218446211U (en) |
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2022
- 2022-09-15 CN CN202222446377.2U patent/CN218446211U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 361000, 9th Floor, No. 6 Hongxi Road, Torch High tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province Patentee after: Xiamen Meisu New Quality Technology Co.,Ltd. Country or region after: China Address before: 361000 No.66 Xiangyue Road, Xiang'an District, Xiamen City, Fujian Province Patentee before: XIAMEN MEISU INDUSTRY AND TRADE CO.,LTD. Country or region before: China |