Cursor indicating device for vernier caliper

Abstract

The application provides a cursor indicating device for a vernier caliper, which comprises a front rod body and a rear plate body, the rear side surface of the front rod body is formed as a plane, the front side surface of the rear plate body is formed as a plane, one end of the rear plate body is connected with the rear side surface of the front rod body through a connecting plate, a gap is formed between the front rod body and the rear plate body to accommodate a measuring claw, a threaded hole is formed on the rear plate body, a bolt is installed in the threaded hole, the end of the bolt extends into the gap and abuts against the rear side surface of the measuring claw, a flashlight mounting hole and a light output slot are formed in the front rod body, the flashlight mounting hole is formed along the horizontal direction of the front rod body, the light output slot is formed along the vertical direction of the front rod body and is perpendicular to the rear side surface of the front rod body, an inclined light reflecting surface is formed at the position where the flashlight mounting hole and the light output slot are perpendicular to each other, the light reflecting surface is used for changing the direction of the light emitted by the flashlight installed in the flashlight mounting hole, so that the light is vertically output to the outside along the light output slot.

Description

Technical Field

[0001] This application relates to a cursor indicating device, and more particularly to a cursor indicating device for a vernier caliper. Background Technology

[0002] In medical practice, it is frequently necessary to measure the size of skin lesions or wounds. Taking skin tumors as an example, doctors typically use a flexible measuring tape to measure the diameter in both horizontal and vertical directions, or in several typical locations. If the lesion is raised, measuring with a flexible tape measure becomes slightly inconvenient. In this case, doctors usually use vernier calipers (such as those with a digital display). When using vernier calipers to measure skin lesions or wounds, the two measuring jaws need to contact the area being measured. This can easily lead to contact between the measuring jaws and the skin lesion or wound, which is undesirable. Contact between the measuring tape and the skin lesion or wound can cause pain to the patient and increase the risk of infection. Summary of the Invention

[0003] In view of the above problems, this application aims to provide a cursor indicating device for a vernier caliper, which is installed on the two measuring jaws of the vernier caliper, with the cursor indicating the edge of the measuring jaws to achieve non-contact measurement of skin lesions or wounds.

[0004] The cursor indicator device for a vernier caliper of this application is used to be installed on the measuring jaw of the vernier caliper, and includes: a front rod body and a rear plate body;

[0005] The rear side of the front rod is formed into a flat surface for close contact with the front side of the measuring claw;

[0006] The front side of the rear plate is formed as a plane, which is used to be disposed on the rear side of the measuring claw;

[0007] One end of the rear plate is connected to the rear side of the front rod body via a connecting plate; a notch is formed between the front rod body and the rear plate body to accommodate the measuring claw.

[0008] A threaded hole is formed on the rear plate; a bolt is installed in the threaded hole; the end of the bolt extends into the notch and abuts against the rear side of the measuring claw.

[0009] The front pole body has a flashlight mounting hole and a light output slit. The flashlight mounting hole is formed along the horizontal direction of the front pole body, and the light output slit is formed along the vertical direction of the front pole body and is perpendicular to the rear side of the front pole body. The light output slit has a predetermined length in the vertical direction of the front pole body. The flashlight mounting hole and the light output slit intersect perpendicularly. An inclined light reflecting surface is formed at the intersection of the flashlight mounting hole and the light output slit. The light reflecting surface is used to change the direction of the light emitted by the flashlight installed in the flashlight mounting hole, so that it is output vertically to the outside along the light output slit.

[0010] Preferably, the cursor indicating device for the vernier caliper is installed in pairs, on the first and second measuring jaws of the vernier caliper respectively; the pair of cursor indicating devices for the vernier caliper are installed alternately on the first and second measuring jaws of the vernier caliper, and when the vernier caliper is closed and at the 0 mark position, the light output from the light output slits of the pair of cursor indicating devices for the vernier caliper coincides in the vertical direction.

[0011] Preferably, when mounted on the measuring jaws of a vernier caliper, the end face of the rear plate away from the connecting plate is formed as a vertically extending plane; when this vertically extending plane is flush with the inner surface of the corresponding measuring jaw, the light emitted from the light output hole is aligned with the inner surface of the corresponding measuring jaw.

[0012] The cursor indicator device for vernier calipers of this application, after being installed on the measuring jaws of the vernier calipers, indicates the position of the two measuring jaws of the vernier calipers by the light emitted from the light output slit, thereby realizing non-contact measurement of skin lesions or wounds. Attached Figure Description

[0013] Figure 1 , 2 This is a three-dimensional structural schematic diagram of the cursor indicating device for a vernier caliper according to this application.

[0014] Figure 3 This is a top view of the cursor indicating device for a vernier caliper according to this application.

[0015] Figure 4 for Figure 3 A schematic diagram of the cross-section along line AA.

[0016] Figure 5 This is a bottom view of the cursor indicating device for a vernier caliper according to this application.

[0017] Figure 6 , 7 A three-dimensional structural diagram of the vernier caliper after the cursor indicator device of this application for the vernier caliper has been installed on the two measuring jaws.

[0018] Figure 8 A front view schematic diagram of the structure after the cursor indicator device for the vernier caliper of this application is installed on the two measuring jaws of the vernier caliper. Detailed Implementation

[0019] The cursor indicating device for a vernier caliper of this application will now be described in detail with reference to the accompanying drawings.

[0020] The cursor indicator device 20 for a vernier caliper of this application is used to be installed on the measuring jaw of the vernier caliper and includes: a front rod body 21 and a rear plate body 22.

[0021] The rear side of the front rod 21 is formed as a plane for close contact with the front side of the measuring claw.

[0022] The front side of the rear plate 22 is formed as a plane, which is used to be disposed on the rear side of the measuring claw.

[0023] One end of the rear plate 22 is connected to the rear side of the front rod 21 via a connecting plate; a notch 23 is formed between the front rod 21 and the rear plate 22, and the notch 23 is used to accommodate the measuring claw.

[0024] A threaded hole 24 is formed on the rear plate 22; a bolt 25 is installed in the threaded hole 24; the end of the bolt 25 extends into the notch 23 and abuts against the rear side of the measuring claw, thereby fixing the entire cursor indicator device on the measuring claw.

[0025] The front rod body 21 has a flashlight mounting hole 26 and a light output slot 27.

[0026] The flashlight mounting hole 26 is used for inserting and mounting commercially available small flashlights, mini flashlights, or pen flashlights.

[0027] The flashlight mounting hole 26 is formed along the horizontal direction of the front rod 21, and the light output slit 27 is formed along the vertical direction of the front rod 21 and is perpendicular to the rear side of the front rod 21.

[0028] The light output slit 27 has a predetermined length in the vertical direction of the front rod 21, which ensures that the direction of the output light is consistent with the extension direction of the light output slit 27.

[0029] The flashlight mounting hole 26 intersects perpendicularly with the light output slit 27; at the intersection of the flashlight mounting hole 26 and the light output slit 27, an inclined light reflecting surface 28 is formed. The light reflecting surface 28 is formed as a mirror with an inclination angle of 45 degrees. The light reflecting surface 26 is used to change the direction of the light emitted by the flashlight 30 installed in the flashlight mounting hole 26, so that it is output vertically to the outside along the light output slit 27.

[0030] When installed on the measuring jaws of a vernier caliper, the end face 25a of the rear plate 22 away from the connecting plate is formed as a vertically extending plane; when this vertically extending plane is flush with the inner surface of the corresponding measuring jaw, the light output from the light output hole 27 is aligned with the inner surface of the corresponding measuring jaw.

[0031] The cursor indicator devices for vernier calipers are installed in pairs, one on the first measuring jaw 11 and the other on the second measuring jaw 12 of the vernier caliper; these pairs of cursor indicator devices 20 are alternately installed on the first measuring jaw 11 and the second measuring jaw 12 of the vernier caliper, such as... Figure 8 As shown, when the vernier caliper is closed and at the 0 mark position, the light output from the light output slits of the pair of cursor indicating devices for the vernier caliper coincides in the vertical direction.

[0032] In use, the two cursor indicator devices 20 of this application for vernier calipers are respectively installed on the two measuring jaws of the vernier caliper, such as... Figure 6 , 7 As shown in Figure 8, the end face of the rear plate away from the connecting plate is flush with the inner surface of the corresponding measuring claw, so that the light output from the light output slit is aligned with the inner surface of the measuring claw. Therefore, the light output from the fiber optic output slit can be used as the measuring surface of the measuring claw to perform non-contact measurement of skin lesions or wounds, avoiding pain to the patient and preventing cross-infection.

Claims

1. A cursor indicating device for a vernier caliper, for mounting on the measuring jaws of the vernier caliper, characterized in that... include: Front rod body, rear plate body; The rear side of the front rod is formed into a flat surface for close contact with the front side of the measuring claw; The front side of the rear plate is formed as a plane, which is used to be disposed on the rear side of the measuring claw; One end of the rear plate is connected to the rear side of the front rod body via a connecting plate; a notch is formed between the front rod body and the rear plate body to accommodate the measuring claw. A threaded hole is formed on the rear plate; a bolt is installed in the threaded hole; the end of the bolt extends into the notch and abuts against the rear side of the measuring claw. The front pole body has a flashlight mounting hole and a light output slit. The flashlight mounting hole is formed along the horizontal direction of the front pole body, and the light output slit is formed along the vertical direction of the front pole body and is perpendicular to the rear side of the front pole body. The light output slit has a predetermined length in the vertical direction of the front pole body. The flashlight mounting hole and the light output slit intersect perpendicularly. An inclined light reflecting surface is formed at the intersection of the flashlight mounting hole and the light output slit. The light reflecting surface is used to change the direction of the light emitted by the flashlight installed in the flashlight mounting hole, so that it is output vertically to the outside along the light output slit.

2. The cursor indicating device for a vernier caliper according to claim 1, characterized in that: The cursor indicator devices for the vernier caliper are installed in pairs, on the first and second measuring jaws of the vernier caliper respectively. The pair of cursor indicator devices for the vernier caliper are installed alternately on the first and second measuring jaws of the vernier caliper. When the vernier caliper is closed and at the 0 mark position, the light output from the light output slits of the pair of cursor indicator devices for the vernier caliper coincides in the vertical direction.

3. The cursor indicating device for a vernier caliper according to claim 1, characterized in that: When installed on the measuring jaws of a vernier caliper, the end face of the rear plate away from the connecting plate is formed into a vertically extending plane; when this vertically extending plane is flush with the inner surface of the corresponding measuring jaw, the light emitted from the light output hole is aligned with the inner surface of the corresponding measuring jaw.

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