CN211373387U

CN211373387U - Vernier caliper

Info

Publication number: CN211373387U
Application number: CN201922056480.4U
Authority: CN
Inventors: 游满员
Original assignee: Jiujiang Ingiant Technology Co ltd
Current assignee: Jiujiang Ingiant Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-28
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a vernier caliper, including main scale, vice chi slidable sets up on the main scale, the upper left corner of main scale has set firmly interior measurement claw one, the lower left corner of main scale has set firmly outer measurement claw one, the upper left corner of vice chi has set firmly interior measurement claw two, the lower left corner of vice chi has set firmly outer measurement claw two, the upper surface of vice chi has set firmly LCD liquid crystal display, LCD liquid crystal display electricity connects the battery, the alarm is connected to the battery electricity, alarm electricity connection sensor, emitting diode is connected to the sensor electricity, emitting diode electricity is connected LCD liquid crystal display, the right-hand member of vice chi has set firmly the degree of depth measuring stick, vice chi upper end is provided with the aperture, aperture threaded connection fastening screw, fastening screw threaded connection main scale. The utility model provides a vernier caliper with convenient data measurement, convenient use and high safety.

Description

Vernier caliper

Technical Field

The utility model relates to a measuring instrument technical field particularly, relates to a slide caliper.

Background

A vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth. The vernier caliper consists of a main ruler and a vernier attached to the main ruler and capable of sliding. The main scale is generally in millimeter units, and the specification of the vernier has ten, twenty or fifty divisions, and the vernier caliper can be divided into ten-division vernier calipers, twenty-division vernier calipers, fifty-division vernier calipers and the like according to the difference of the divisions. The main scale and the vernier of the vernier caliper are provided with two pairs of movable measuring claws, namely an inner measuring claw and an outer measuring claw, wherein the inner measuring claw is generally used for measuring the inner diameter, and the outer measuring claw is generally used for measuring the length and the outer diameter.

At present, most of the existing vernier calipers have low measurement accuracy, large human errors and inconvenient data reading; for different test requirements, vernier calipers with different specifications need to be replaced, and the use is inconvenient; when the conductive device is measured, the current cannot be sensed, and the safety is not high.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a slide caliper solves current slide caliper data reading error great, use inconvenient, the not high problem of security.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows:

the vernier caliper comprises a main scale and an auxiliary scale, wherein the auxiliary scale is slidably arranged on the main scale, a first inner measuring claw is fixedly arranged at the upper left corner of the main scale, a first outer measuring claw is fixedly arranged at the lower left corner of the main scale, a second inner measuring claw is fixedly arranged at the upper left corner of the auxiliary scale, a second outer measuring claw is fixedly arranged at the lower left corner of the auxiliary scale, an LCD (liquid crystal display) is fixedly arranged on the upper surface of the auxiliary scale, the LCD is electrically connected with a battery, the battery is electrically connected with an alarm, the alarm is electrically connected with a sensor, the sensor is electrically connected with a light emitting diode, the LED is electrically connected with the LCD, a depth measuring rod is fixedly arranged at the right end of the auxiliary scale, a small hole is formed in the upper end of the auxiliary scale, the small hole is in threaded connection with a fastening screw, and the.

Further, a battery cover is arranged on the outer side of the battery and is connected with the auxiliary ruler in a clamping mode.

Further, a photoresistor is arranged in the light emitting diode.

Further, the LCD, the alarm, the light emitting diode and the sensor are all welded on the auxiliary ruler.

Furthermore, the main ruler and the auxiliary ruler are made of conductive materials.

The utility model has the advantages that: the vernier caliper adopts an LCD, so that the measurement is more convenient, the human error is reduced, and the data reading is more convenient; the use safety of the vernier caliper can be improved by adopting the alarm; and a photosensitive diode is adopted, so that the vernier caliper can be used in a place with weak light.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a vernier caliper according to an embodiment of the present invention;

in the figure: 1. a main scale; 2. a first inner measuring claw; 21. a second inner measuring claw; 3. fastening screws; 4. a battery; 5. a battery cover; 6. an LCD liquid crystal display; 7. a secondary ruler; 8. a first external measuring claw; 81. a second external measuring claw; 9. a depth measuring rod; 10. an alarm; 11. a light emitting diode.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1, a vernier caliper according to an embodiment of the present invention includes a main scale 1 and an auxiliary scale 7, the auxiliary scale 7 is slidably disposed on the main scale 1, an inner measuring claw 2 is fixedly disposed at the upper left corner of the main scale 1, an outer measuring claw 8 is fixedly disposed at the lower left corner of the main scale 1, an inner measuring claw two 21 is fixedly disposed at the upper left corner of the auxiliary scale 7, an outer measuring claw two 81 is fixedly disposed at the lower left corner of the auxiliary scale 7, an LCD liquid crystal display 6 is fixedly disposed on the upper surface of the auxiliary scale 7, the LCD liquid crystal display 6 is electrically connected to a battery 4, the battery 4 is electrically connected to an alarm 10, the alarm 10 is electrically connected to a sensor, the sensor is electrically connected to a light emitting diode 10, the light emitting diode 10 is electrically connected to the LCD liquid crystal display 6, a depth rod 9 is fixedly disposed at the right end of the auxiliary scale 7, a small hole is disposed at the upper end, the small hole is in threaded connection with a fastening screw 3, and the fastening screw 3 is in threaded connection with the main scale 1.

In this embodiment, a battery cover 5 is disposed outside the battery 4, and the battery cover 5 is clamped with the secondary ruler 7.

In this embodiment, a fastening screw 3 is further disposed on the auxiliary scale 7, and the fastening screw 3 is screwed with the main scale 1.

In this embodiment, the light emitting diode 11 is provided with a photoresistor, which can emit light at night.

In this embodiment, the LCD 6, the alarm 10, the led 10, and the sensor are all welded to the sub-scale 7.

In this embodiment, the main scale 1 and the sub scale 7 are made of conductive materials.

In this embodiment, the sensor is capable of recognizing the displacement change and converting the displacement value into a digital signal.

In order to facilitate further understanding of the above technical solution, the structure and usage principle thereof will now be explained:

as shown in fig. 1, when measuring the outer diameter of an object, the object is clamped between the first outer measuring claw 8 and the second outer measuring claw 81, the displacement value is converted into a digital signal through the recognition of the sensor, and then the digital signal is presented on the LCD 6, and the reading of human eyes and the calculation of a formula are subtracted, so that the human error is reduced.

When the inner diameter is measured, the inner measuring claw I2 is used for abutting against one end of the inner diameter of an object, then one end of the main ruler 1 slides the auxiliary ruler 7, so that the inner measuring claw II 21 abuts against the other end of the inner diameter of the object, then the numerical value on the LCD 6 is read, different positions can be read for many times, and finally the average value is obtained, so that the error is reduced.

When measuring the depth, the depth measuring rod 9 is inserted into the east and west to be measured, the scale is fixed, and then the numerical value on the LCD 6 is read.

In addition, when the surface of an object to be measured has current, the main ruler 1 and the auxiliary ruler 7 are made of conductive materials, the current is conducted to the alarm 10, the alarm 10 gives an alarm sound after sensing the current, and the intensity of the current can be distinguished according to the intensity of the alarm sound.

In the environment with weak light, the light emitting diode 11 can emit light at night due to the influence of the photoresistor, thereby bringing convenience to work at night; the battery 4 can provide power to the entire device, and when the power is exhausted, the battery can be replaced with a new one, and then the battery cover 5 is closed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vernier caliper comprises a main ruler (1) and an auxiliary ruler (7), wherein the auxiliary ruler (7) is slidably arranged on the main ruler (1), and is characterized in that a first inner measuring claw (2) is fixedly arranged at the upper left corner of the main ruler (1), a first outer measuring claw (8) is fixedly arranged at the lower left corner of the main ruler (1), a second inner measuring claw (21) is fixedly arranged at the upper left corner of the auxiliary ruler (7), a second outer measuring claw (81) is fixedly arranged at the lower left corner of the auxiliary ruler (7), an LCD (6) is fixedly arranged on the upper surface of the auxiliary ruler (7), the LCD (6) is electrically connected with a battery (4), the battery (4) is electrically connected with an alarm (10), the alarm (10) is electrically connected with a sensor, the sensor is electrically connected with a light emitting diode (11), the light emitting diode (11) is electrically connected with the LCD (6), the depth measuring rod (9) is fixedly arranged at the right end of the auxiliary ruler (7), a small hole is formed in the upper end of the auxiliary ruler (7), the small hole is in threaded connection with the fastening screw (3), and the fastening screw (3) is in threaded connection with the main ruler (1).

2. A vernier caliper as claimed in claim 1, characterized in that a battery cover (5) is arranged on the outside of the battery (4), said battery cover (5) engaging with the secondary ruler (7).

3. A vernier calliper according to claim 1, characterised in that a light dependent resistor is arranged in said light emitting diode (11).

4. A vernier caliper according to claim 1, wherein said LCD liquid crystal display (6), alarm (10), light emitting diode (11), sensor are welded on said secondary ruler (7).

5. A vernier caliper as claimed in claim 1, characterized in that said main and secondary scales (1, 7) are made of electrically conductive material.