阅读说明：本技术 一种新型游标卡尺 (Novel vernier caliper ) 是由 刘珂 姜雪松 林贤和 于 2021-09-06 设计创作，主要内容包括：一种新型游标卡尺,其特征在于：主要由锁紧结构、测距结构、角度测量结构、深度测量结构、数值显示结构组成。锁紧结构主要由紧固螺钉和弹簧片组成；测距结构主要由主尺、数显结构、动测量爪组成；角度测量结构主要由数显结构、主尺、旋转编码器、副尺、盖帽、卡锁、半圆量角器、卡扣、卡扣支撑、尺槽组成；深度测量结构主要由主尺、副尺、盖帽、卡锁、卡扣、卡扣支撑、尺槽组成,深度测量机构与角度测量机构通过M3六角自锁螺丝与主尺固定；数值显示结构主要由数显结构和显示屏组成。本发明专利在满足传统游标卡尺的功能情况下可以实现对直径在3～90mm、深度在0～200mm的盲孔的深度测量,以及角度在0～180°的工件外角的测量,减少测量时间,提高效率。(A novel vernier caliper is characterized in that: the device mainly comprises a locking structure, a distance measuring structure, an angle measuring structure, a depth measuring structure and a numerical value display structure. The locking structure mainly comprises a fastening screw and a spring piece; the distance measuring structure mainly comprises a main scale, a digital display structure and a dynamic measuring claw; the angle measuring structure mainly comprises a digital display structure, a main scale, a rotary encoder, an auxiliary scale, a cap, a latch, a semicircular protractor, a buckle support and a scale groove; the depth measuring structure mainly comprises a main scale, an auxiliary scale, a cap, a clamp lock, a buckle support and a scale groove, and the depth measuring mechanism and the angle measuring mechanism are fixed with the main scale through an M3 hexagonal self-locking screw; the numerical display structure mainly comprises a digital display structure and a display screen. The invention can realize the depth measurement of blind holes with the diameters of 3-90 mm and the depths of 0-200 mm and the measurement of the external angles of workpieces with the angles of 0-180 degrees under the condition of meeting the functions of the traditional vernier caliper, thereby reducing the measurement time and improving the efficiency.)

1. A novel vernier caliper is characterized in that: the device mainly comprises a locking structure, a distance measuring structure, an angle measuring structure, a depth measuring structure and a numerical value display structure; the locking structure mainly comprises a fastening screw (10) and a spring piece (20); the distance measuring structure mainly comprises a main ruler (2), a digital display structure (1) and a dynamic measuring claw (4), wherein the digital display structure (1) and the dynamic measuring claw (4) form a vernier, the vernier slides on the main ruler (2), two ends of a spring piece (20) of the locking structure are respectively provided with a threaded hole M1.5, and the locking structure is fixed with the vernier through a hexagonal screw M1.5; the angle measuring structure mainly comprises a digital display structure (1), a main scale (2), a rotary encoder (5), an auxiliary scale (6), a cover cap (7), a clamping lock (11), a semicircular protractor (21), a clamping buckle (8), a clamping buckle support (12) and a scale groove (9); the depth measuring structure mainly comprises a main scale (2), an auxiliary scale (6), a cover cap (7), a clamping lock (11), a clamping buckle (8), a clamping buckle support (12) and a scale groove (9), wherein the depth measuring mechanism and the angle measuring mechanism are fixed with the main scale (2) through M3 hexagonal self-locking screws; the numerical display structure mainly comprises a digital display structure (1) and a display screen (3).

2. A novel vernier caliper as claimed in claim 1, wherein: the semicircular protractor (21) is marked with angle scales along the circumferential direction, the unit is degree, the measuring range is 180 degrees, the direction is shown in figure 2, anticlockwise, the first scale is 0 degree, the total number is 360 graduations, each graduation angle is 0.5 degree, and every 10 graduations are sequentially marked with '5', '10', '15' … … '180'.

3. A novel vernier caliper as claimed in claim 1, wherein: the rotary encoder (5) and the semicircular protractor (21) are fixed through M3 inner hexagonal self-locking screws, an EVA (ethylene vinyl acetate) sponge rubber protective circuit board is adopted before fixing, and the cap (7) and the main ruler (2) are fixed through M3 inner hexagonal self-locking screws.

4. A novel vernier caliper as claimed in claim 1, wherein: the cap (7) is provided with a rectangular groove, as shown in fig. 7, the rotary encoder (5) is provided with a rectangular groove, as shown in fig. 6, the auxiliary ruler (6) is connected with the rotary encoder (5) and the cap (7) by penetrating through the rectangular grooves reserved on the rotary encoder (5) and the cap (7), the cap (7) and the main ruler (2) are provided with round holes, and the lock (11) is connected with the cap (7) and the main ruler (2) by fixed point self-locking.

The invention relates to the technical field of workpiece dimension measuring tools, in particular to a novel vernier caliper.

The background art is in the industrial production field, relates to the dimensional measurement in-process of metal parts, and the workman often needs to measure the angle, length, degree of depth etc. size of part through the transform measuring tool, and the process is loaded down with trivial details, waste time, and is inefficient, does not conform to action economic principle. The invention can realize the depth measurement of blind holes with the diameters of 3-90 mm and the depths of 0-200 mm and the measurement of the external angles of workpieces with the angles of 0-180 degrees under the condition of meeting the functions of the traditional vernier caliper, thereby reducing the measurement time and improving the efficiency.

The invention aims to provide a novel vernier caliper.

The technical scheme of the invention is as follows:

a novel vernier caliper mainly comprises a locking mechanism, a distance measuring mechanism, an angle measuring mechanism, a depth measuring mechanism and a numerical value display mechanism.

The locking mechanism mainly comprises a fastening screw (10) and a spring piece (20); the distance measuring mechanism mainly comprises a main ruler (2), a digital display mechanism (1) and a dynamic measuring claw (4), the main scale (2) is marked with length scales along the length direction, the unit is mm, the measuring range is 300mm, as shown in the direction of figure 2, from left to right, the first scale is 0, the total number is 300, the length of each scale is 1mm, 10, 20 and 30 … … are marked in turn every 10 scales, a rectangular ruler groove (9) for placing an auxiliary ruler (6) is arranged in the middle of the inner part of a main ruler (2) along the length measuring direction, as shown in fig. 4, a capacitance grid fixed grid is attached to the surface of a main ruler (2), a vernier is composed of a digital display mechanism (1) and a movable measuring claw (4), the vernier slides on the main ruler (2), the movable grid is attached to the circuit board of the digital display mechanism (1), two ends of a spring piece (20) of a locking structure are respectively provided with a threaded hole of M1.5, and the locking structure is fixed with the vernier through a hexagonal screw of M1.5; the angle measuring mechanism mainly comprises a digital display mechanism (1), a main scale (2), a rotary encoder (5), an auxiliary scale (6), a cover cap (7), a clamping lock (11), a semicircular protractor (21), a clamping buckle (8), a clamping buckle support (12) and a scale groove (9), wherein the semicircular protractor (21) is marked with angle scales along the circumferential direction thereof, the unit is degree, the measuring range is 180 degrees, the direction is shown in figure 2, anticlockwise, the first scale is 0 degree, the total number of 360 scales is 0.5 degree, each scale angle is 0.5 degree, 5, 10 and 15 … … are sequentially marked every 10 scales, the rotary encoder (5) and the semicircular protractor (21) are fixed through an M3 inner hexagonal self-locking screw, an EVA sponge adhesive protection circuit board is adopted before fixing, the cover cap (7) and the main scale (2) are fixed through an M3 inner hexagonal self-locking screw, the cover cap (7) is provided with a rectangular groove, as shown in fig. 7, the rotary encoder (5) is provided with a rectangular groove, as shown in fig. 6, the secondary scale (6) is connected with the rotary encoder (5) and the cover cap (7) by penetrating through the rectangular groove left on the rotary encoder (5) and the cover cap (7), the cover cap (7) and the main scale (2) are provided with round holes, and the latch (11) is connected with the cover cap (7) and the main scale (2) by fixed point self-locking; the depth measuring mechanism mainly comprises a main scale (2), an auxiliary scale (6), a cover cap (7), a clamping lock (11), a clamping buckle (8), a clamping buckle support (12) and a scale groove (9), wherein length scales are marked on the auxiliary scale (6) along the length direction of the auxiliary scale, the unit is mm, the measuring range is 200mm, as shown in the direction shown in figure 2, from top to bottom, the first scale is 0, 400 graduations are provided, the length of each graduation is 0.5mm, 5, 10 and 15 … … are marked in sequence every 10 graduations, and the depth measuring mechanism and the angle measuring mechanism are fixed with the main scale (2) through an M3 hexagonal self-locking screw; the numerical value display mechanism mainly comprises a digital display mechanism (1) and a display screen (3).

Compared with the prior art, the invention has the innovation points that:

the novel vernier caliper can realize measurement of angle, length and depth, and avoids time waste caused by multiple times of changing measuring tools during measurement.

Drawings

Fig. 1 is a schematic diagram of the mechanism of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a rear view of the present invention.

Fig. 4 is a right side view of the present invention.

FIG. 5 is an enlarged view of the latch of the present invention.

FIG. 6 is an enlarged schematic view of a rotary encoder according to the present invention.

Fig. 7 is an enlarged schematic view of the cap of the present invention.

Fig. 8 is an enlarged schematic view of the locking mechanism of the present invention.

FIG. 9 is a schematic illustration of measuring the length of a workpiece using the present invention.

Fig. 10 is a front view of the secondary scale of the present invention stored within the primary scale.

Figure 11 is a front view of the secondary scale of the present invention drawn out of the primary scale.

FIG. 12 is a schematic view of measuring an angle of a workpiece using the present invention.

FIG. 13 is a schematic view of measuring the depth of a blind hole in a workpiece using the present invention.

The figures are labeled as follows:

1-digital display mechanism, 2-main scale, 3-display screen, 4-movable measuring claw, 5-rotary encoder, 6-auxiliary scale, 7-cover cap, 8-buckle, 9-scale groove, 10-fastening screw, 11-buckle, 12-buckle support, 13-buckle key, 14-spring, 15-control column, 16-buckle deflection sheet, 17-buckle column, 18-spring pad, 19-rear cover, 20-spring sheet, 21-semicircle protractor, 22-workpiece

The working principle of the present invention is described in further detail below with reference to the accompanying drawings:

a novel vernier caliper mainly comprises a locking mechanism, a distance measuring mechanism, an angle measuring mechanism, a depth measuring mechanism and a numerical value display mechanism.

Wherein, the locking mechanism mainly comprises a fastening screw (10) and a spring piece (20); the distance measuring mechanism mainly comprises a main scale (2), a digital display mechanism (1) and a dynamic measuring claw (4); the angle measuring mechanism mainly comprises a digital display mechanism (1), a main scale (2), a rotary encoder (5), an auxiliary scale (6), a cover cap (7), a clamping lock (11), a semicircular protractor (21), a clamping buckle (8), a clamping buckle support (12) and a scale groove (9); the depth measuring mechanism mainly comprises a main scale (2), an auxiliary scale (6), a cap (7), a latch (11), a buckle (8), a buckle support (12) and a scale groove (9); the numerical value display mechanism mainly comprises a digital display mechanism (1) and a display screen (3).

When measuring distance, the invention can measure the maximum length or the outer diameter of a workpiece to be 300mm, clamps the workpiece by sliding the cursor on the main scale (2), rotates the fastening screw (10) after the workpiece is fixed, and presses the spring piece (20) along the length direction of the screw rod of the fastening screw to enable the spring piece (20) to be tightly attached to the main scale (2), increases friction force, fixes the cursor, measures the capacitance between the fixed grid and the movable grid of the capacitance grid, and converts the capacitance into numbers by using the singlechip to be displayed on the display screen (3), as shown in figure 9.

When the angle measurement is carried out, the maximum external angle of a workpiece can be measured to be 180 degrees, the auxiliary ruler (6) is pulled out from the ruler groove (9) along the length direction of the main ruler (2), as shown in fig. 10 and 11, the buckle (8) pressed by the auxiliary ruler (6) is bounced, the auxiliary ruler (6) and the upper end parallel surface of the semicircular protractor (21) clamp the external angle of the workpiece together, as shown in fig. 12, the rotary encoder (5) measures the angular displacement and displays the angular displacement on the display screen (3), and simultaneously, scales on the semicircular protractor (21) aligned with the auxiliary ruler (6) can also be read by naked eyes.

When the depth measurement is carried out, the depth of a blind hole with the diameter of 3-90 mm and the depth of 0-200 mm can be measured, the auxiliary ruler (6) is pulled out from the ruler groove (9) along the length direction of the main ruler (2), as shown in fig. 10 and 11, the buckle (8) pressed by the auxiliary ruler (6) is bounced, when the auxiliary ruler (6) rotates to be vertical to the upper end parallel surface of the semicircular protractor (21), as shown in fig. 2, the locking control column (15) is in contact with the locking deflection sheet (16), the locking button (13) is manually pressed to fix the cover cap (7), at the moment, the upper end parallel surface of the semicircular protractor (21) is erected on two sides of the measured depth, the auxiliary ruler (6) moves up and down, and the depth measurement is carried out, as shown in fig. 13.

The display screen (3) can switch the length unit and the angle unit through a button on the digital display mechanism (1).