Light supplementing assembly for code scanning gun

Abstract

The utility model discloses a light supplementing assembly for a code scanning gun, relates to the field of code scanning gun assemblies, and solves the problems that the scanning identification quality is poor due to the fact that irradiation light rays are diverged in parallel and diverging areas are small, the light supplementing assembly comprises a shell and a light supplementing structure installed in the shell, and the light supplementing structure comprises a light guide lens and a cylindrical lamp holder. Two symmetrically-arranged light guide lenses are installed on the front end face of the shell, the cylindrical lamp holder is installed on the rear end faces of the light guide lenses, and a camera code scanning recognition area and an LED infrared positioning area are installed in the center of the front end face of the shell. A mounting structure is arranged on the front end surface in the shell; the shell is provided with a protection structure in the area of the light guide lens, and light emitted by the LED lamp beads penetrates through the light guide lens and is radiated in a divergent mode, so that the small range of a light radiation area is enlarged, emitted light is brighter and more uniform, a bar code radiation area is brighter, and a lens installed in a camera shooting, code scanning and recognition area can read bar codes conveniently.

Description

Technical Field

[0001] The utility model relates to the field of barcode scanner components, in particular to a supplementary light component for a barcode scanner. Background Technique

[0002] A barcode scanner is a scanning gun. Images, photos, films, various drawings and graphics, as well as document materials can all be input into a computer by a scanning gun, and then the processing, management, use, storage or output of these image information can be realized. The types include handheld scanning guns, small drum scanning guns, and flatbed scanning guns.

[0003] In the existing barcode scanner component, in the scanning module area, an installed LED lamp bead is used for auxiliary direct illumination. Currently, the irradiated light is parallel and divergent, and the divergent area is small, resulting in poor scanning and recognition quality. Content of the Utility Model

[0004] The purpose of the utility model is to provide a supplementary light component for a barcode scanner that can increase the irradiation area of light in a small range, make the emitted light brighter and more uniform, and can solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A supplementary light component for a barcode scanner, including a housing and a supplementary light structure installed inside the housing. The supplementary light structure includes a light guide lens and a cylindrical lamp holder. Two symmetrically arranged light guide lenses are installed on the front end face of the housing, and the cylindrical lamp holder is installed at the rear end face position of the light guide lens. A camera barcode scanning recognition area and an LED infrared positioning area are installed at the center position of the front end face of the housing; an installation structure is provided on the front end face inside the housing; and a protection structure is provided in the housing in the area of the light guide lens.

[0006] Preferably, an integrally formed annular flange is provided on the side wall at the rear end face position of the light guide lens. Through the limitation of the annular flange, the entire light guide lens can be prevented from moving out from the position of the LED infrared positioning area on the front end face of the housing 1.

[0007] Preferably, the installation structure includes a frame and a sleeve. Two frames are symmetrically arranged outside the cylindrical lamp holder. Two rotating shafts are fixedly connected to the outer side wall of the bottom of the frame. A cushion block is fixedly connected to the housing at the position below the rotating shaft. A sleeve is fixedly connected to the top of the cushion block. One end of the rotating shaft passes through the inside of the sleeve and is sleeved with a torsion spring. One end of the torsion spring is fixedly connected to the outer side wall of the rotating shaft, and the other end is fixedly connected to the side wall of the sleeve end. Compared with the traditional screw fixation, the installation structure is simple and convenient to operate, and the assembly is also convenient, providing convenience for the subsequent maintenance and installation of the cylindrical lamp holder.

[0008] Preferably, the frame includes a semi-circular bottom rod, a curved rod, and a semi-circular top rod. A plurality of annularly arranged curved rods are fixedly connected to the top side wall of the semi-circular bottom rod. The inner arc side wall of the semi-circular top rod is fixedly connected to the outer side wall of the curved rod. The rotating shaft is fixedly connected to the outer side walls at both ends of the semi-circular bottom rod.

[0009] Preferably, a snap ring is fixedly connected to the top of the semi-circular top rod, and two L-shaped clamping plates symmetrically arranged with respect to the LED infrared positioning area are fixed to the inner end face of the housing.

[0010] Preferably, the protection structure includes a rubber ring, a rubber sleeve, and a collar. A collar is connected to the front end face inside the housing at the position of the square funnel. The inner diameter width of the collar is equal to the outer diameter width of the annular flange. Two rubber rings are respectively arranged at the top and bottom of the annular flange. A rubber sleeve is sleeved inside the collar. A convex ring is integrally formed on the outer side wall of the rubber sleeve. An annular groove matching the convex ring is provided on the inner arc side wall of the collar. By adopting elastic contact, when the light guide lens is installed and drops or collides, it is not easy to cause damage to the annular flange, and the elastic contact plays a protective role for the entire light guide lens.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The entire light guide lens protrudes from the front end face of the housing. The LED lamp beads are installed in the cylindrical lamp holder position area. The light emitted by the LED lamp beads passes through the light guide lens, so that multiple refractions of parallel light rays occur, and the light rays are divergently irradiated, so that the light irradiation area is increased in a small range, the emitted light is brighter and more uniform, the irradiated bar code area is brighter, which is beneficial for the lens installed in the camera scanning and recognition area to read the bar code. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a three-dimensional structure schematic diagram of the installation structure in the present utility model;

[0014] Figure 3 is an exploded partial structure schematic diagram of the protection structure in the present utility model;

[0015] Figure 4 is a three-dimensional structure schematic diagram of the housing in the present utility model from another angle;

[0016] Figure 5 is a three-dimensional structure schematic diagram of the rubber sleeve and the collar in the present utility model.

[0017] In the figure: 1. Shell; 2. Fill light structure; 201. Light-guiding lens; 202. Cylindrical lamp holder; 203. Annular flange; 205. Camera code scanning and recognition area; 206. LED infrared positioning area; 3. Mounting structure; 301. Frame; 302. Sleeve; 303. Torsion spring; 304. Spacer; 305. Rotating shaft; 306. Retaining ring; 307. L-shaped retaining plate; 308. Square funnel; 3001. Semicircular bottom rod; 3002. Curved rod; 3003. Semicircular top rod; 4. Protective structure; 401. Rubber ring; 402. Rubber sleeve; 403. Ring; 404. Protruding ring; 405. Annular groove. DETAILED DESCRIPTION

[0018] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1 、 Figure 2 and Figure 4 , The figure shows a fill light component for a barcode scanning gun, including a shell 1 and a fill light structure 2 installed inside the shell 1, the fill light structure 2 includes a light guide lens 201 and a cylindrical lamp holder 202, two symmetrically arranged square funnels 308 are installed on the inner end face of the shell 1, and two symmetrically arranged light guide lenses 201 are installed on the front end face of the shell 1, and the cylindrical lamp holder 202 is installed at the rear end face position of the light guide lens 201. A camera scanning and recognition area 205 and an LED infrared positioning area 206 are installed at the center position of the front end face of the shell 1. It should be noted that the entire light guide lens 201 will protrude from the front end face of the shell 1, and the LED lamp beads will be installed in the position area of the cylindrical lamp holder 202. The light emitted by the LED lamp beads will pass through the light guide lens 201 and will be divergent, so that the light irradiation area is increased in a small range, making the light output brighter and more uniform, making the irradiated barcode area brighter, which is conducive to the lens installed in the camera scanning and recognition area 205 to read the barcode.

[0020] See also Figure 3 and Figure 4 The side wall of the rear end face of the light guide lens 201 is provided with an integrally formed annular flange 203. The outer diameter of the rear end face of the light guide lens 201 is equal to the inner diameter of the rear end of the square funnel 308. The outer diameter of the annular flange 203 is larger than the inner diameter of the rear end of the square funnel 308. The light guide lens 201 extends from the LED infrared positioning area 206 and is limited by the annular flange 203, thereby preventing the entire light guide lens 201 from being moved out of the LED infrared positioning area 206 on the front end face of the shell 1.

[0021] Refer to Figure 2 and Figure 3 Figure 3 , an installation structure 3 is provided on the front end face inside the housing 1. The installation structure 3 includes a frame 301 and a sleeve 302. Two symmetrically arranged square funnels 308 are installed on the inner end face of the housing 1. The two frames 301 are symmetrically arranged outside the cylindrical lamp holder 202. Two rotating shafts 305 are fixedly connected to the outer side wall of the bottom of the frame 301. A cushion block 304 is fixedly connected to the position of the housing 1 below the rotating shaft 305. The sleeve 302 is fixedly connected to the top of the cushion block 304. One end of the rotating shaft 305 passes through the inside of the sleeve 302 and is sleeved with a torsion spring 303. One end of the torsion spring 303 is fixedly connected to the outer side wall of the rotating shaft 305, and the other end is fixedly connected to the side wall of the end of the sleeve 302. It should be noted that during the installation process of the light guide lens 201 and the cylindrical lamp holder 202, by pressing the two symmetrically arranged frames 301 outward, the frames 301 rotate outward and open relying on the rotating shafts 305, and the torsion spring 303 twists. The space between the two frames 301 is open. The light guide lens 201 and the cylindrical lamp holder 202 are sequentially placed in the LED infrared positioning area 206. After releasing the pressing of the frame 301, under the action of the rebounding force of the torsion spring 303, the two frames 301 are sleeved on the outer area of the cylindrical lamp holder 202. Compared with the traditional screw fixation, the installation structure 3 is simple and convenient to operate, and the assembly is also convenient, providing convenience for the subsequent maintenance and installation of the cylindrical lamp holder 202.

[0022] Refer to Figure 3 Figure 3 , the frame 301 includes a semi-circular bottom rod 3001, a curved rod 3002, and a semi-circular top rod 3003. A plurality of annularly arranged curved rods 3002 are fixedly connected to the top side wall of the semi-circular bottom rod 3001. The inner arc side wall of the semi-circular top rod 3003 is fixedly connected to the outer side wall of the curved rod 3002. The rotating shafts 305 are fixedly connected to the outer side walls at both ends of the semi-circular bottom rod 3001. It should be noted that by using the frame 301 for fixation, it can ensure the normal dissipation of the heat of the lamp beads installed on the cylindrical lamp holder 202, and can also completely wrap the outer surface of the cylindrical lamp holder 202, ensuring a certain installation firmness.

[0023] Refer to Figure 2 and Figure 4 Figure 4 , a snap ring 306 is fixedly connected to the top of the semi-circular top rod 3003. Two L-shaped clamping plates 307 symmetrically arranged with respect to the LED infrared positioning area 206 are fixed to the inner end face of the housing 1. It should be noted that after the frame 301 is moved away, the snap ring 306 is sleeved on the L-shaped clamping plate 307, and there is no need to manually maintain the unfolded state of the frame 301, making the operation more convenient.

[0024] Refer to Figure 3 and Figure 5, the protection structure 4 includes a rubber ring 401, a rubber sleeve 402 and a collar 403. The front end face inside the housing 1 is connected to the collar 403 at the position of the square funnel 308. The inner diameter width of the collar 403 is equal to the outer diameter width of the annular flange 203. Two rubber rings 401 are respectively arranged at the top and bottom of the annular flange 203. A rubber sleeve 402 is sleeved inside the collar 403. A convex ring 404 is integrally formed on the outer side wall of the rubber sleeve 402. An annular groove 405 matching the convex ring 404 is opened on the inner arc-shaped side wall of the collar 403. It should be noted that during the installation process of the light guide lens 201, first place the rubber sleeve 402 inside the collar 403, and press the convex ring 404 on the outer side wall of the rubber sleeve 402 into the annular groove 405 to install the rubber sleeve 402. Then put a single rubber ring 401 into the collar 403. The rubber ring 401 will contact the outer annular area of the square funnel 308 on the front end face inside the housing 1. Then place the light guide lens 201 inside the collar 403. The bottom of the annular flange 203 will contact the rubber ring 401. Place the other rubber ring 401 on the top of the annular flange 203. Finally, place the cylindrical lamp holder 202 in contact with the top rubber ring 401. The outer side walls of the annular flange 203 on the light guide lens 201 are respectively wrapped by two rubber rings 401 and the rubber sleeve 402, adopting elastic contact. When the light guide lens 201 drops or collides after installation, it is not easy to cause damage to the annular flange 203. The elastic contact plays a protective role for the entire light guide lens 201.

[0025] Assembly principle of the light guide lens 201: Press two symmetrically arranged frames 301 outwards. The frames 301 rotate outwards relying on the rotating shafts 305, and the torsion springs 303 twist. The space between the two frames 301 is open. Place the rubber sleeve 402 inside the collar 403, and press the convex ring 404 on the outer side wall of the rubber sleeve 402 into the annular groove 405 to install the rubber sleeve 402. Then put a single rubber ring 401 into the collar 403. The rubber ring 401 will contact the outer annular area of the square funnel 308 on the front end face inside the housing 1. Then place the light guide lens 201 inside the collar 403. The bottom of the annular flange 203 will contact the rubber ring 401. Place the other rubber ring 401 on the top of the annular flange 203. Finally, place the cylindrical lamp holder 202 in contact with the top rubber ring 401. Release the pressure on the frame 301. Under the action of the rebounding force of the torsion spring 303, sleeve the two frames 301 on the outer area of the cylindrical lamp holder 202.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising" - "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process - method - article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process - method - article or device.

[0027] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A supplementary light component for a barcode scanner, comprising a housing (1) and a supplementary light structure (2) installed inside the housing (1), characterized in that: The supplementary lighting structure (2) includes a light guide lens (201) and a cylindrical lamp holder (202). Two symmetrically arranged light guide lenses (201) are installed on the front end face of the housing (1), and the cylindrical lamp holder (202) is installed at the rear end face position of the light guide lens (201). A camera code scanning and recognition area (205) and an LED infrared positioning area (206) are installed at the center position of the front end face of the housing (1). An installation structure (3) is provided on the inner front end face of the housing (1). A protection structure (4) is provided in the area of the housing (1) where the light guide lens (201) is located.

2. The supplementary light component for a barcode scanner according to claim 1, characterized in that: A circular flange (203) is integrally formed on the side wall at the rear end face position of the light guide lens (201).

3. The supplementary light component for a barcode scanner according to claim 1, characterized in that: The installation structure (3) includes a frame (301) and a sleeve (302). Two symmetrically arranged square funnels (308) are installed on the inner end face of the housing (1). Two frames (301) are symmetrically arranged outside the cylindrical lamp holder (202). Two rotating shafts (305) are fixedly connected to the outer side wall of the bottom of the frame (301). A cushion block (304) is fixedly connected to the housing (1) at the position below the rotating shaft (305). A sleeve (302) is fixedly connected to the top of the cushion block (304). One end of the rotating shaft (305) passes through the inside of the sleeve (302) and is sleeved with a torsion spring (303). One end of the torsion spring (303) is fixedly connected to the outer side wall of the rotating shaft (305), and the other end is fixedly connected to the end side wall of the sleeve (302).

4. The supplementary light component for a barcode scanner according to claim 3, wherein: The frame (301) includes a semi-circular bottom rod (3001), a curved rod (3002), and a semi-circular top rod (3003). A plurality of annularly arranged curved rods (3002) are fixedly connected to the top side wall of the semi-circular bottom rod (3001). The inner arc side wall of the semi-circular top rod (3003) is fixedly connected to the outer side wall of the curved rod (3002). The rotating shafts (305) are fixedly connected to the outer side walls at both ends of the semi-circular bottom rod (3001).

5. The supplementary light component for a barcode scanner according to claim 4, characterized in that: A snap ring (306) is fixedly connected to the top of the semi-circular top rod (3003). Two L-shaped clamping plates (307) symmetrically arranged with respect to the LED infrared positioning area (206) are fixed to the inner end face of the housing (1).

6. The supplementary light component for a barcode scanner according to claim 2, wherein: The protection structure (4) includes a rubber ring (401), a rubber sleeve (402), and a collar (403). A collar (403) is connected to the inner front end face of the housing (1) at the position of the square funnel (308). The inner diameter width of the collar (403) is equal to the outer diameter width of the circular flange (203). Two rubber rings (401) are respectively arranged at the top and bottom of the circular flange (203). A rubber sleeve (402) is sleeved inside the collar (403). A convex ring (404) is integrally formed on the outer side wall of the rubber sleeve (402). An annular groove (405) matching the convex ring (404) is formed on the inner arc side wall of the collar (403).

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