CN219039536U - Focusing lens for bar code scanner - Google Patents
Focusing lens for bar code scanner Download PDFInfo
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- CN219039536U CN219039536U CN202223558735.5U CN202223558735U CN219039536U CN 219039536 U CN219039536 U CN 219039536U CN 202223558735 U CN202223558735 U CN 202223558735U CN 219039536 U CN219039536 U CN 219039536U
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- focusing lens
- bar code
- cavity
- scanner
- mounting opening
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Abstract
The utility model discloses a focusing lens for a bar code scanner, which comprises a scanner and a focusing lens and is characterized in that the upper end of the scanner is provided with a mounting opening, the focusing lens is arranged in the mounting opening, a mounting base is sleeved on the outer side of the focusing lens in a threaded manner, a clamping mechanism is arranged between the mounting base and the inner wall of the mounting opening, a cavity is formed in the scanner and below the mounting opening, a sliding block is arranged in the cavity in a sliding manner, the top of the sliding block penetrates into the mounting opening and is fixedly sleeved with a light shield, the light shield is arranged outside the focusing lens, and a driving ejection mechanism is arranged in the cavity. The utility model can avoid the influence of reflective irradiation on the scanning efficiency as much as possible when the focusing lens scans the bar code.
Description
Technical Field
The utility model belongs to the technical field of focusing lenses, and particularly relates to a focusing lens for a bar code scanner.
Background
When the bar code is scanned, the bar code needs to be adjusted and focused through the focusing lens in the scanner, and when the current focusing lens is arranged in the scanner, if the surface of the bar code which needs to be scanned is irradiated by strong light, the light effect of the bar code surface is easily gathered to reflect light and cover the bar code, so that the focusing lens cannot rapidly and accurately scan the bar code, and the scanning efficiency and the effect are poor.
For this reason, we propose a focusing lens for a bar code scanner to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to avoid that reflection illumination influences the scanning efficiency as much as possible when a focusing lens scans a bar code, and provides the focusing lens for the bar code scanner.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a focusing lens for a bar code scanner comprises a scanner and a focusing lens, wherein the upper end of the scanner is provided with a mounting opening, the focusing lens is arranged in the mounting opening,
the outer side thread sleeve of the focusing lens is provided with a mounting base, a clamping mechanism is arranged between the mounting base and the inner wall of the mounting opening,
the inside of scanner and be located the below of installing port and seted up the cavity, the slip is equipped with the slider in the cavity, the top of slider pierces into the installing port and fixed cover is equipped with the lens hood, the lens hood establish with focus the outside of camera lens, be equipped with drive ejection mechanism in the cavity.
Preferably, the driving ejecting mechanism comprises a screw rod, the screw rod is rotationally arranged in the cavity, the screw rod wall is threaded through the inside of the sliding block, a strip-shaped groove is formed in the top of the cavity, and the sliding block is slidingly arranged in the strip-shaped groove.
Preferably, the upper end of the scanner rotates and wears to be equipped with the montant, montant and lead screw are close to one end and are fixed respectively and are equipped with first bevel gear and second bevel gear, first bevel gear and second bevel gear meshing set up, the fixed knob that is equipped with in bottom of montant.
Preferably, the clamping mechanism comprises a supporting block, the supporting block is fixedly connected with the bottom of the inner wall of the mounting opening and is in contact connection with the mounting base, a screw rod is arranged at the upper end of the mounting opening in a threaded manner, a pressing block is arranged at the bottom of the screw rod in a rotating manner, and a rotating wheel is fixedly arranged at the top of the screw rod.
Preferably, the both sides of installation base have all been seted up spacing spout, the stopper is worn to be equipped with in the inside slip of spacing spout, stopper and the inner wall fixed connection of lens hood.
Preferably, the supporting block and the pressing block are both rubber blocks.
Compared with the prior art, the utility model provides a focusing lens for a bar code scanner, which has the following beneficial effects:
1. this a focusing lens for bar code scanner through scanner, installing port, installation base, focusing lens, lens hood, cavity, slider, drive pop-up mechanism, first bevel gear, second bevel gear, montant and knob that are equipped with, can pop-up the lens hood and carry out the cage to the bar code when outside light is strong, avoids light to shine to cause the reflection on the bar code as far as possible, and the focusing lens of being convenient for carries out accurate quick scanning to the bar code.
2. This a focusing lens for bar code scanner through installing port, installation base and fixture that is equipped with, can install and change focusing lens fast.
The device has the advantages that the operation is convenient, the influence of reflective irradiation on the scanning efficiency can be avoided as much as possible when the focusing lens scans the bar code, and the scanning effect of the focusing lens on the bar code is improved.
Drawings
FIG. 1 is a schematic view of a focusing lens for a bar code scanner according to the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1;
fig. 3 is an enlarged view of the structure of the part B in fig. 1.
In the figure: 1 scanner, 2 focusing lens, 3 installation base, 4 slider, 5 lens hood, 6 lead screw, 7 montants, 8 first bevel gears, 9 second bevel gears, 10 knob, 11 supporting shoe, 12 screw rods, 13 briquetting, 14 runner, 15 stopper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1, a focusing lens for a bar code scanner includes a scanner 1 and a focusing lens 2, wherein an installation opening is formed at the upper end of the scanner 1, and the focusing lens 2 is arranged in the installation opening, so that the focusing lens 2 can conveniently scan an external bar code.
Example 2
As shown in fig. 2, the screw 12 is threaded at the upper end of the mounting opening, the pressing block 13 is rotatably arranged at the bottom of the screw 12, the supporting block 11 and the pressing block 13 are both rubber blocks, the pressing block 13 can extrude the mounting base 3 to determine the position of the focusing lens 2, meanwhile, the compression injury to the mounting base 3 is reduced, and the rotating wheel 14 is fixedly arranged at the top of the screw 12, so that the screw 12 can be conveniently rotated.
Example 3
As shown in fig. 1 and 3, the outer side of the focusing lens 2 is covered by the light shield 5, a driving ejection mechanism is arranged in the cavity and comprises a screw rod 6, the screw rod 6 is rotationally arranged in the cavity, the screw rod wall is threaded through the inner part of the sliding block 4, a strip-shaped groove is formed in the top of the cavity, the sliding block 4 is slidingly arranged in the strip-shaped groove, limiting sliding grooves are formed in two sides of the mounting base 3, a limiting block 15 is slidingly arranged in the limiting sliding grooves in a penetrating manner, the sliding of the light shield 5 is limited, and the limiting block 15 is fixedly connected with the inner wall of the light shield 5.
As shown in fig. 1 and 3, the upper end of the scanner 1 rotates and wears to be equipped with montant 7, and montant 7 and lead screw 6 are close to one end and are fixed respectively and are equipped with first bevel gear 8 and second bevel gear 9, and first bevel gear 8 and second bevel gear 9 meshing set up, and the bottom of montant 7 is fixed to be equipped with knob 10, through the promotion to knob 10, cooperates the meshing transmission of first bevel gear 8 and second bevel gear 9 for lead screw 6 drive slider 4 and lens hood 5 remove.
In the utility model, when the bar code needs to be scanned and external light is strong, the knob 10 can be pushed to drive the vertical rod 7 to rotate, and the screw rod 6 rotates under the meshing of the first bevel gear 8 and the second bevel gear 9, so that the sliding block 4 slides along the bar-shaped sliding groove and drives the light shield 5 to slide out from the mounting opening and to be covered on the outer side of the bar code, and external strong light is blocked, and at the moment, the bar code can be rapidly scanned by the scanner 1 matched with the focusing lens 2.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The focusing lens for the bar code scanner comprises a scanner (1) and a focusing lens (2), and is characterized in that the upper end of the scanner (1) is provided with a mounting opening, the focusing lens (2) is arranged in the mounting opening,
the outer side thread sleeve of the focusing lens (2) is provided with a mounting base (3), a clamping mechanism is arranged between the mounting base (3) and the inner wall of the mounting opening,
the inside of scanner (1) and be located the below of installing port and seted up the cavity, the slip is equipped with slider (4) in the cavity, the top of slider (4) is worn into the installing port and fixed cover is equipped with lens hood (5), lens hood (5) cover establish with the outside of focusing lens (2), be equipped with drive ejection mechanism in the cavity.
2. The focusing lens for a bar code scanner according to claim 1, wherein the driving ejecting mechanism comprises a screw rod (6), the screw rod (6) is rotatably arranged in the cavity, a rod wall thread is arranged in the slider (4) in a penetrating manner, a bar groove is formed in the top of the cavity, and the slider (4) is slidably arranged in the bar groove.
3. The focusing lens for the bar code scanner according to claim 1, wherein a vertical rod (7) is rotatably arranged at the upper end of the scanner (1), a first bevel gear (8) and a second bevel gear (9) are fixedly arranged at one ends, close to each other, of the vertical rod (7) and the screw rod (6), the first bevel gear (8) and the second bevel gear (9) are meshed, and a knob (10) is fixedly arranged at the bottom of the vertical rod (7).
4. The focusing lens for the bar code scanner according to claim 1, wherein the clamping mechanism comprises a supporting block (11), the supporting block (11) is fixedly connected with the bottom of the inner wall of the mounting opening and is in contact connection with the mounting base (3), a screw rod (12) is arranged at the upper end thread of the mounting opening in a penetrating way, a pressing block (13) is arranged at the bottom of the screw rod (12) in a rotating way, and a rotating wheel (14) is fixedly arranged at the top of the screw rod (12).
5. The focusing lens for the bar code scanner according to claim 1, wherein limiting sliding grooves are formed in two sides of the mounting base (3), limiting blocks (15) are arranged in the limiting sliding grooves in a sliding mode, and the limiting blocks (15) are fixedly connected with the inner wall of the light shield (5).
6. A focusing lens for a bar code scanner according to claim 4, characterized in that the support block (11) and the press block (13) are both rubber blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558735.5U CN219039536U (en) | 2022-12-30 | 2022-12-30 | Focusing lens for bar code scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558735.5U CN219039536U (en) | 2022-12-30 | 2022-12-30 | Focusing lens for bar code scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219039536U true CN219039536U (en) | 2023-05-16 |
Family
ID=86292000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223558735.5U Active CN219039536U (en) | 2022-12-30 | 2022-12-30 | Focusing lens for bar code scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219039536U (en) |
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2022
- 2022-12-30 CN CN202223558735.5U patent/CN219039536U/en active Active
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