Automatic focusing scanner lens

Abstract

The utility model discloses an automatic focusing scanner lens, which relates to the technical field of scanner equipment and comprises a lens body, a dismounting assembly, a mounting cylinder, a rotating assembly, a connecting plate, a protective cover plate, a cylinder, a limiting assembly, a connecting pipe, a reciprocating arc-shaped groove and a rotating driving assembly. A limiting rod can slide on the inner wall of a reciprocating arc-shaped groove, a cylinder can rotate through an opening path of the reciprocating arc-shaped groove, a connecting pipe can be driven to rotate through rotation of the cylinder, a connecting plate is driven to rotate through rotation of the connecting pipe, and the connecting plate is driven to rotate through rotation of the connecting plate. The protective cover plate can rotate around the connecting pipe as the center, the limiting rod moves in the reciprocating arc-shaped groove for a half period, the protective cover plate can rotate by 180 degrees, when the protective cover plate is used, transmission of a light path below the lens body is not affected after rotation, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of scanner equipment, in particular to an automatic focusing scanner lens. Background Art

[0002] A scanner is a device that scans documents and converts them into digital data, and some scanner lenses are also equipped with autofocus sensors. These sensors can measure the distance of the object being photographed and automatically adjust the focus of the lens to achieve accurate autofocus results.

[0003] Since the scanner lens is an important component of the scanner and is responsible for scanning photos and text page images, the protection of the scanner lens is particularly important. The scanner lenses in the prior art are generally directly exposed to the air, and most of them do not have the function of lens protection even when not in use, and are easily worn. The scanner lens is a precision optical device, and any slight damage to the surface will affect the propagation of the light path during scanning, resulting in deviations in the scanner image scanning display. In addition, the lens is directly exposed to the outside and is easily damaged by external collisions and squeezing, thereby reducing the practicality of the scanner lens. Therefore, we disclose an autofocus scanner lens to meet people's needs. Utility Model Content

[0004] The purpose of the present application is to provide an autofocus scanner lens to solve the problem that the scanner lenses in the prior art mentioned in the above background technology are generally directly exposed to the air, and even when not in use, most of them do not have the function of lens protection and are easily worn. The scanner lens is a precision optical device, and any slight damage to the surface will affect the propagation of the light path during scanning, resulting in deviations in the scanner image scanning display. Moreover, the lens is directly exposed to the outside and is easily damaged by external collision and compression, thereby reducing the practicality of the scanner lens.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an autofocus scanner lens, comprising a lens body, a disassembly assembly is installed on the surface of the lens body, a mounting cylinder is installed on the surface of the lens body through the disassembly assembly, a rotating assembly is arranged inside the mounting cylinder, a connecting plate is installed on the bottom side of the mounting cylinder through the rotating assembly, a protective cover plate is installed on one side of the connecting plate, the rotating assembly comprises a cylinder, a limiting assembly is arranged on the inner wall of the mounting cylinder, the cylinder is rotatably connected inside the mounting cylinder through the limiting assembly, a connecting pipe is installed on the bottom side of the cylinder, the bottom side of the connecting pipe passes through the bottom side of the mounting cylinder and is connected to the top side of the connecting plate, a reciprocating arc groove is opened on the surface of the cylinder, and a rotation drive assembly is arranged on the surface of the cylinder.

[0006] Preferably, the disassembly assembly includes a connecting block mounted on the surface of the lens body, a dovetail groove is provided on one side of the connecting block, a dovetail block is installed on the surface of the mounting tube, and the inner wall of the dovetail groove is slidably and detachably connected to the surface of the dovetail block.

[0007] Preferably, the limiting assembly comprises a limiting circular groove formed on the inner wall of the mounting tube, and a plurality of limiting blocks are slidably connected to the inner wall of the limiting circular groove.

[0008] Preferably, a limiting plate is installed on the top side of the cylinder, a groove is provided on the surface of the limiting plate, and the inner wall of the groove is connected to a side of a plurality of limiting blocks away from the inner wall of the limiting circular groove.

[0009] Preferably, the rotary drive assembly includes a right-angle plate, a rectangular through groove is provided on the surface of the mounting cylinder, the surface of the right-angle plate is slidably connected to the inner wall of the rectangular through groove, a first circular hole and a second circular hole are respectively provided at both ends of the right-angle plate, a limiting rod is installed on the inner wall of the first circular hole, one end of the limiting rod is slidably connected to the inner wall of the reciprocating arc groove, and a second limiting sleeve is installed on the surface of the limiting rod.

[0010] Preferably, a pressing rod is slidably connected in the second circular hole, and avoidance holes are penetrated through the top sides of the cylinder and the connecting plate. The avoidance hole is slidably connected to the surface of the pressing rod, and a first limiting sleeve is sleeved and installed on the surface of the pressing rod.

[0011] Preferably, a spring is installed at the top end of the pressing rod, and the top end of the spring is connected to the inner top wall of the mounting tube.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. The utility model is provided with a rotation drive assembly. When protecting the lens body, the pressing rod can be pushed upward to make the limit rod slide on the inner wall of the reciprocating arc groove. The cylinder can be rotated through the path opened by the reciprocating arc groove. The rotation of the cylinder can drive the rotation of the connecting tube. The rotation of the connecting tube can drive the rotation of the connecting plate. The protective cover can be rotated around the connecting tube as the center through the rotation of the connecting plate. The limit rod can rotate the protective cover 180 degrees in half a cycle of movement in the reciprocating arc groove. When the protective cover is in use, the rotation does not affect the propagation of the light path below the lens body. It is easy to use and does not cause the problem of separate storage of the protective cover due to overall disassembly.

[0014] 2. The utility model is provided with a disassembly assembly. Through the cooperation of the dovetail groove and the dovetail block, the cylinder can be installed and disassembled as a whole, which is convenient for replacement and carrying. The limit assembly can realize the stable rotation of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure of the middle A area;

[0019] Figure 4 It is a schematic diagram of the protective rotation structure in the utility model.

[0020] In the figure: 1. lens body; 2. connecting block; 3. dovetail groove; 4. dovetail block; 5. mounting tube; 6. rectangular through groove; 7. protective cover; 8. connecting plate; 9. limiting circular groove; 10. limiting block; 11. cylinder; 12. limiting plate; 13. clamping groove; 14. reciprocating arc groove; 15. pressing rod; 16. spring; 17. first limiting sleeve; 18. right-angle plate; 19. limiting rod; 20. second limiting sleeve; 21. connecting tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] refer to Figure 1-4An autofocus scanner lens shown in the figure comprises a lens body 1, a disassembly assembly is installed on the surface of the lens body 1, a mounting barrel 5 is installed on the surface of the lens body 1 through the disassembly assembly, a rotating assembly is arranged inside the mounting barrel 5, a connecting plate 8 is installed on the bottom side of the mounting barrel 5 through the rotating assembly, a protective cover plate 7 is installed on one side of the connecting plate 8, the rotating assembly comprises a cylinder 11, a limiting assembly is arranged on the inner wall of the mounting barrel 5, the cylinder 11 is rotatably connected inside the mounting barrel 5 through the limiting assembly, a connecting tube 21 is installed on the bottom side of the cylinder 11, the bottom side of the connecting tube 21 passes through the bottom side of the mounting barrel 5 and is connected to the top side of the connecting plate 8, a reciprocating arc groove 14 is opened on the surface of the cylinder 11, and a rotating drive assembly is arranged on the surface of the cylinder 11.

[0024] Based on the above structure, the connecting tube 21 can be rotated by rotating the driving assembly, and the connecting tube 21 can be rotated to drive the connecting plate 8 to rotate. The connecting plate 8 can be rotated to rotate around the connecting tube 21. The protective cover 7 is made of rubber material, has good protection and waterproof properties, and is soft in texture. In the event of a collision, it can provide a little cushioning for the lens body 1.

[0025] like Figure 2 As shown, the disassembly component includes a connecting block 2 mounted on the surface of the lens body 1, a dovetail groove 3 is opened on one side of the connecting block 2, a dovetail block 4 is mounted on the surface of the mounting tube 5, the inner wall of the dovetail groove 3 is slidably and detachably connected to the surface of the dovetail block 4, and through the cooperation of the set dovetail groove 3 and the dovetail block 4, the mounting tube 5 can be disassembled as a whole, which is convenient for replacement and carrying.

[0026] Example 2

[0027] like Figure 3 As shown, the limiting assembly includes a limiting circular groove 9 provided on the inner wall of the mounting cylinder 5, a plurality of limiting blocks 10 are slidably connected to the inner wall of the limiting circular groove 9, a limiting disk 12 is installed on the top side of the cylinder 11, a slot 13 is provided on the surface of the limiting disk 12, the inner wall of the slot 13 is connected to the side of the plurality of limiting blocks 10 away from the inner wall of the limiting circular groove 9, four limiting blocks 10 are arranged, evenly distributed on the inner wall of the slot 13, and fixedly connected to the slot 13, so that the limiting disk 12 can slide on the inner wall of the limiting circular groove 9, thereby limiting the cylinder 11.

[0028] like Figure 4As shown, the rotary drive assembly includes a right-angle plate 18, a rectangular through groove 6 is provided on the surface of the mounting cylinder 5, the surface of the right-angle plate 18 is slidably connected to the inner wall of the rectangular through groove 6, a first circular hole and a second circular hole are respectively provided at both ends of the right-angle plate 18, a limiting rod 19 is installed on the inner wall of the first circular hole, one end of the limiting rod 19 is slidably connected to the inner wall of the reciprocating arc groove 14, a second limiting sleeve 20 is sleeved and installed on the surface of the limiting rod 19, a pressing rod 15 is slidably connected in the second circular hole, and avoidance holes are provided through the top sides of the cylinder 11 and the connecting plate 8, and the avoidance holes are provided in the avoidance holes. It is slidably connected to the surface of the pressing rod 15, and a first limiting sleeve 17 is installed on the surface of the pressing rod 15. A spring 16 is installed on the top of the pressing rod 15, and the top of the spring 16 is connected to the inner top wall of the mounting tube 5. The setting of the pressing rod 15 can drive the lifting of the right-angle plate 18. The lifting of the right-angle plate 18 can make its limiting rod 19 slide inside the reciprocating arc groove 14. The limiting rod 19 can move the connecting plate 8 180 degrees in half a cycle of the reciprocating arc groove 14. Pressing twice can complete the two steps of protection and separation.

[0029] Working principle of this utility model:

[0030] When in use, a rotation drive assembly is provided. When protecting the lens body 1, by pushing the pressing rod 15 upward, the limiting rod 19 can slide on the inner wall of the reciprocating arc groove 14. Through the path opened by the reciprocating arc groove 14, the cylinder 11 can be rotated. The rotation of the cylinder 11 can drive the rotation of the connecting tube 21, and the rotation of the connecting tube 21 can drive the rotation of the connecting plate 8. Through the rotation of the connecting plate 8, the protective cover plate 7 can be rotated around the connecting tube 21 as the center. The limiting rod 19 moves half a cycle in the reciprocating arc groove 14, and the protective cover plate 7 can be rotated 180 degrees. When the protective cover plate 7 is in use, the rotation does not affect the propagation of the light path below the lens body 1. It is easy to use, and the protective cover plate 7 does not need to be stored separately due to the overall disassembly. The problem that the scanner lens in the prior art is generally directly exposed to the air, even when not in use, most of them do not have the function of lens protection and are easily worn is solved.

[0031] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An auto-focus scanner lens, comprising a lens body (1), characterized in that: A disassembly assembly is installed on the surface of the lens body (1), a mounting cylinder (5) is installed on the surface of the lens body (1) through the disassembly assembly, a rotating assembly is arranged inside the mounting cylinder (5), a connecting plate (8) is installed on the bottom side of the mounting cylinder (5) through the rotating assembly, a protective cover plate (7) is installed on one side of the connecting plate (8), the rotating assembly comprises a cylinder (11), a limiting assembly is arranged on the inner wall of the mounting cylinder (5), the cylinder (11) is rotatably connected inside the mounting cylinder (5) through the limiting assembly, a connecting pipe (21) is installed on the bottom side of the cylinder (11), the bottom side of the connecting pipe (21) passes through the bottom side of the mounting cylinder (5) and is connected to the top side of the connecting plate (8), a reciprocating arc groove (14) is opened on the surface of the cylinder (11), and a rotating drive assembly is arranged on the surface of the cylinder (11).

2. The auto-focus scanner lens according to claim 1, characterized in that: The disassembly assembly comprises a connection block (2) mounted on the surface of the lens body (1), a dovetail groove (3) being provided on one side of the connection block (2), a dovetail block (4) being mounted on the surface of the mounting tube (5), and an inner wall of the dovetail groove (3) being detachably connected to the surface of the dovetail block (4) in a sliding manner.

3. The auto-focus scanner lens according to claim 1, characterized in that: The limiting assembly comprises a limiting circular groove (9) formed on the inner wall of the installation cylinder (5), and a plurality of limiting blocks (10) are slidably connected to the inner wall of the limiting circular groove (9).

4. The auto-focus scanner lens according to claim 1, characterized in that: A limiting plate (12) is installed on the top side of the cylinder (11), a surface of the limiting plate (12) is provided with a clamping groove (13), and the inner wall of the clamping groove (13) is connected to a side of the plurality of limiting blocks (10) away from the inner wall of the limiting circular groove (9).

5. The auto-focus scanner lens according to claim 1, characterized in that: The rotary drive assembly comprises a right-angle plate (18), a rectangular through groove (6) is provided on the surface of the mounting tube (5), the surface of the right-angle plate (18) is slidably connected to the inner wall of the rectangular through groove (6), a first circular hole and a second circular hole are respectively provided at two ends of the right-angle plate (18), a limiting rod (19) is installed on the inner wall of the first circular hole, one end of the limiting rod (19) is slidably connected to the inner wall of the reciprocating arc groove (14), and a second limiting sleeve (20) is sleeved and installed on the surface of the limiting rod (19).

6. The auto-focus scanner lens according to claim 5, characterized in that: A pressing rod (15) is slidably connected in the second circular hole, and avoidance holes are penetrated through the top sides of the cylinder (11) and the connecting plate (8). The avoidance hole is slidably connected to the surface of the pressing rod (15), and a first limiting sleeve (17) is sleeved and installed on the surface of the pressing rod (15).

7. The auto-focus scanner lens according to claim 6, characterized in that: A spring (16) is installed at the top end of the pressing rod (15), and the top end of the spring (16) is connected to the inner top wall of the installation cylinder (5).

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