Two-dimensional code scanning gun for laboratory safety monitoring

Abstract

The utility model discloses a two-dimensional code scanning gun for laboratory safety monitoring, which relates to the technical field of two-dimensional code scanning guns, and comprises a supporting seat, the top surface of the supporting seat is provided with a grab handle, the top end of the grab handle is connected with a scanning head, and the scanning gun is matched with the scanning head, a rotating shaft and a limiting wheel through a handle, a movable head and an adjusting block. The fixing angle between the scanning head and the handle can be conveniently and flexibly adjusted according to use requirements in the use process, when different objects are scanned, it can be guaranteed that the scanning head and a two-dimensional code form a proper angle, the scanning speed is increased, and the scanning accuracy is guaranteed; and the handle, the scanning head and the seat body can be quickly disassembled and assembled conveniently, so that the scanning main body can be quickly fixed and limited conveniently after use, the falling risk caused by random placement is prevented, the service life is prolonged, and the scanning stability of the scanning main body is improved.

Description

Technical Field

[0001] The utility model relates to the field of two-dimensional code scanning guns, in particular to a two-dimensional code scanning gun for laboratory safety monitoring. Background Art

[0002] In the laboratory, for the safe use of experimental instruments and items, it is necessary to number and archive the instruments and items in the laboratory, and classify them according to usage requirements and characteristics to ensure that all items can be accurately understood and prevent misuse. This requires the use of a QR code scanner for identification and monitoring. For example, a Chinese patent discloses a QR code scanner (Announcement No. CN216145201U). Although the QR code scanner can quickly adjust the angle between the main body and the bracket, during the use of the QR code scanner, the scanner can be placed arbitrarily after use, which can easily cause the scanner to roll away, causing damage to the scanner, affecting the service life of the scanner and the accuracy of scanning. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the present invention provides a two-dimensional code scanning gun for laboratory safety monitoring, which solves the problems raised by the above background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A QR code scanner for laboratory safety monitoring, comprising a support base, a top surface of the support base is provided with a handle, and the top end of the handle is connected to a scanning head;

[0005] The grip includes a handle, a movable head is provided at the top of the handle, the bottom of the handle is connected to a base plate, the bottom surface of the base plate is connected to two plug-in columns, adjustment grooves are provided on both side surfaces of the handle, and the inner bottom sides of the two adjustment grooves are connected to sliding rods.

[0006] As a further technical solution of the present invention, the support seat includes a seat body, both side surfaces of the seat body are provided with fixed blocks, the upper surface of the seat body is provided with an installation groove, one side surface of the seat body is connected to two guide columns, and the outer surfaces of the two guide columns are connected to pull rings.

[0007] As a further technical solution of the present invention, a lens is provided at one end of the scanning head, a connecting block is provided at the bottom of the scanning head, both ends of the connecting block are connected to a rotating shaft, the outer surface of the rotating shaft is connected to a limiting wheel, and the outer surface of the sliding rod is connected to an adjusting block.

[0008] As a further technical solution of the present invention, one end face of the pull ring is connected to a connector, a sliding groove is provided at a side surface of the base body corresponding to the sliding path of the connector, a first spring is connected to the outer surfaces of the two guide columns at both ends of the pull ring, a snap-fit ​​groove is provided on the surface of the connector, and a retaining groove is provided on the outer surface of the plug-in column corresponding to the snap-fit ​​groove.

[0009] As a further technical solution of the present invention, a second spring is connected to the outer surface of the sliding rod and the bottom surface of the adjusting block, the upper surface of the adjusting block is connected to the limiting block, and the end face of the limiting wheel is annular and has multiple limiting grooves corresponding to the limiting block.

[0010] As a further technical solution of the present invention, the inner diameter of the adjustment groove is adapted to the sliding path of the adjustment block, the scanning head is connected to the handle through the connecting block and the movable head, and the inner diameter of the limit groove is adapted to the sliding path of the limit block.

[0011] As a further technical solution of the present invention, the inner diameter of the slide groove is adapted to the sliding path of the connector, the inner diameter of the mounting groove is adapted to the outer diameter of the base plate, the inner bottom side of the mounting groove and the two plug-in columns are provided with corresponding sockets, and the inner diameter of the engaging groove is adapted to the inner diameter of the retaining groove.

[0012] The utility model provides a two-dimensional code scanner for laboratory safety monitoring, which has the following advantages compared with the existing technology:

[0013] 1. This design of a QR code scanner for laboratory safety monitoring can facilitate the use of the handle, movable head, adjustment block, scanning head, rotating shaft and limiting wheel. The fixed angle between the scanning head and the handle can be flexibly adjusted according to the needs during use. When scanning different objects, it can ensure that the scanning head and the QR code are at a suitable angle, thereby improving the scanning speed and ensuring the scanning accuracy.

[0014] 2. This design of a QR code scanner for laboratory safety monitoring facilitates quick disassembly and assembly between the handle, the bottom plate, the plug-in column, the base, the connector, and the snap-in slot, thereby facilitating quick fixation and positioning of the scanning body after use, preventing the risk of falling due to random placement, and improving the service life and scanning stability of the scanning body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a QR code scanner for laboratory safety monitoring;

[0016] Figure 2 This is a front view of a QR code scanner for laboratory safety monitoring;

[0017] Figure 3 This is a schematic diagram of the exploded structure of a QR code scanner for laboratory safety monitoring;

[0018] Figure 4 A QR code scanner for laboratory safety monitoring Figure 3 A magnified view of A in FIG;

[0019] Figure 5 A QR code scanner for laboratory safety monitoring Figure 3 Magnified view of B in .

[0020] In the figure: 1. Support seat; 11. Base body; 12. Fixed block; 13. Mounting slot; 14. Guide column; 15. Pull ring; 16. Connecting head; 17. First spring; 18. Engaging slot; 19. Slide slot; 2. Handle; 21. Handle; 22. Movable head; 23. Adjusting slot; 24. Slide rod; 25. Adjusting block; 26. Second spring; 27. Limiting block; 28. Bottom plate; 29. ​​Connecting column; 201. Stop slot; 3. Scanning head; 31. Lens; 32. Connecting block; 33. Rotating shaft; 34. Limiting wheel; 35. Limiting slot. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution for a two-dimensional code scanning gun for laboratory safety monitoring: it includes a support base 1, a handle 2 is provided on the top surface of the support base 1, a scanning head 3 is connected to the top of the handle 2, the handle 2 includes a handle 21, a movable head 22 is provided on the top of the handle 21, the bottom of the handle 21 is connected to a base plate 28, and two plug-in columns 29 are connected to the bottom surface of the base plate 28. Adjustment slots 23 are provided on both side surfaces of the handle 21, and the inner bottom sides of the two adjustment slots 23 are connected to sliding rods 24.

[0023] like Figure 3-5As shown, the support seat 1 includes a base body 11, and both side surfaces of the base body 11 are provided with fixing blocks 12. The upper surface of the base body 11 is provided with a mounting groove 13. One side of the base body 11 is connected to two guide columns 14. The outer surfaces of the two guide columns 14 are connected to a pull ring 15. One end surface of the pull ring 15 is connected to a connector 16. A slide groove 19 is provided at a side surface of the base body 11 corresponding to the sliding path of the connector 16. The two ends of the pull ring 15 and the outer surfaces of the two guide columns 14 are connected to a first spring 17. The surface of the connector 16 is provided with a snap-fit ​​groove 18, and the outer surface of the plug-in column 29 is provided with a stopper corresponding to the snap-fit ​​groove 18. Groove 201, the inner diameter size of the slide groove 19 is adapted to the sliding path of the connector 16, the inner diameter size of the mounting groove 13 is adapted to the outer diameter size of the base plate 28, the inner bottom side of the mounting groove 13 and the two plug-in posts 29 are both provided with corresponding sockets, the inner diameter size of the snap-fit ​​groove 18 is adapted to the inner diameter size of the retaining groove 201. It should be noted that the cooperation between the pull ring 15 and the connector 16 and the snap-fit ​​groove 18 and the base plate 28 and the two plug-in posts 29 can facilitate the quick fixation of the handle 2 and the scanning head 3, prevent the scanning device from falling and being damaged due to being placed arbitrarily after use, and improve the safety and service life of the device.

[0024] like Figure 3-4 As shown, a lens 31 is provided at one end of the scanning head 3, a connecting block 32 is provided at the bottom of the scanning head 3, and both ends of the connecting block 32 are connected to a rotating shaft 33. The outer surface of the rotating shaft 33 is connected to a limiting wheel 34, and the outer surface of the slide rod 24 is connected to the adjusting block 25. The outer surface of the slide rod 24 and the bottom surface of the adjusting block 25 are connected to the second spring 26. The upper surface of the adjusting block 25 is connected to the limiting block 27. The end surface of the limiting wheel 34 is annular and has a plurality of limiting grooves 35 corresponding to the limiting block 27. The adjusting grooves The inner diameter size of 23 is adapted to the sliding path of the adjustment block 25. The scanning head 3 is connected to the handle 21 through the connecting block 32 and the movable head 22. The inner diameter size of the limiting groove 35 is adapted to the sliding path of the limiting block 27. It should be noted that the scanning head 3 can facilitate the adjustment of the fixed angle through the cooperation of the adjustment block 25 and the limiting block 27 with the limiting wheel 34 and multiple limiting grooves 35, so as to facilitate the timely adjustment of the scanning angle according to the different scanned objects, thereby increasing the scanning speed and accuracy.

[0025] The working principle of the present invention is as follows: the two adjustment blocks 25 are slid along the inner side walls of the adjustment groove 23, so that the adjustment blocks 25 press the first spring 17 along the outer surface of the slide rod 24, and the limit block 27 connected to the top surface of the adjustment block 25 is separated from the limit groove 35 on the end surface of the limit wheel 34. Then, the scanning head 3 and the connecting block 32 are rotated along the inner side wall of the movable head 22, so that the scanning head 3 is rotated to an appropriate angle. Then, the adjustment block 25 is released, the first spring 17 drives the adjustment block 25 to return to its original position, and the limit block 27 is engaged with the corresponding limit groove 35, thereby completing the adjustment of the scanning angle of the scanning head 3.

[0026] Pull the pull ring 15 outward to drive the connector 16 to slide along the inner wall of the slide groove 19, so that the engaging groove 18 on the surface of the connector 16 is separated from the retaining groove 201 on the outer surface of the two plug-in posts 29. Then lift the handle 21 upward to separate the two plug-in posts 29 from the sockets on the inner bottom side of the installation groove 13, and then remove the scanning body to scan the QR code.

[0027] The above is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications should also be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this application shall be implemented in accordance with conventional means in the art unless otherwise specified or limited.

Claims

1. A QR code scanner for laboratory safety monitoring, characterized in that: It comprises a support base (1); a handle (2) is provided on the top surface of the support base (1); and a scanning head (3) is connected to the top end of the handle (2); The grip (2) includes a handle (21), a movable head (22) is provided at the top of the handle (21), the bottom of the handle (21) is connected to a base plate (28), the bottom surface of the base plate (28) is connected to two plug-in columns (29), and adjustment grooves (23) are provided on both side surfaces of the handle (21), and the inner bottom sides of the two adjustment grooves (23) are connected to sliding rods (24).

2. A two-dimensional code scanner for laboratory safety monitoring according to claim 1, characterized in that: The support seat (1) includes a seat body (11), both side surfaces of the seat body (11) are provided with fixing blocks (12), the upper surface of the seat body (11) is provided with a mounting groove (13), one side surface of the seat body (11) is connected to two guide columns (14), and the outer surfaces of the two guide columns (14) are connected to pull rings (15).

3. A two-dimensional code scanner for laboratory safety monitoring according to claim 1, characterized in that: A lens (31) is provided at one end of the scanning head (3), a connecting block (32) is provided at the bottom of the scanning head (3), both ends of the connecting block (32) are connected to a rotating shaft (33), the outer surface of the rotating shaft (33) is connected to a limiting wheel (34), and the outer surface of the sliding rod (24) is connected to an adjusting block (25).

4. A two-dimensional code scanner for laboratory safety monitoring according to claim 2, characterized in that: One end face of the pull ring (15) is connected to a connector (16), a sliding groove (19) is provided on one side face of the seat body (11) corresponding to the sliding path of the connector (16), a first spring (17) is connected to the outer surfaces of the two guide columns (14) at both ends of the pull ring (15), a snap-fit ​​groove (18) is provided on the surface of the connector (16), and a retaining groove (201) is provided on the outer surface of the plug-in column (29) corresponding to the snap-fit ​​groove (18).

5. A two-dimensional code scanner for laboratory safety monitoring according to claim 3, characterized in that: The outer surface of the slide rod (24) and the bottom surface of the adjustment block (25) are connected to a second spring (26), the upper surface of the adjustment block (25) is connected to a limiting block (27), and the end surface of the limiting wheel (34) is annular and has a plurality of limiting grooves (35) corresponding to the limiting block (27).

6. A two-dimensional code scanner for laboratory safety monitoring according to claim 5, characterized in that: The inner diameter of the adjusting groove (23) is adapted to the sliding path of the adjusting block (25); the scanning head (3) is connected to the handle (21) via the connecting block (32) and the movable head (22); and the inner diameter of the limiting groove (35) is adapted to the sliding path of the limiting block (27).

7. A two-dimensional code scanner for laboratory safety monitoring according to claim 4, characterized in that: The inner diameter of the sliding groove (19) is adapted to the sliding path of the connector (16), the inner diameter of the mounting groove (13) is adapted to the outer diameter of the bottom plate (28), the inner bottom side of the mounting groove (13) and the two plug-in columns (29) are provided with corresponding insertion holes, and the inner diameter of the engaging groove (18) is adapted to the inner diameter of the retaining groove (201).

Images