CN216593120U - Rim calibration size measuring general caliper - Google Patents

Abstract

The utility model discloses a rim calibration size measurement general caliper, which comprises a main scale, a left measurement claw and a right measurement claw, wherein scales are marked on the main scale, the left measurement claw and the right measurement claw are respectively connected to the bottom of the main scale, the right measurement claw can move back and forth along the length direction of the main scale, the rim calibration general caliper also comprises measurement heads symmetrically arranged at the bottom of the left measurement claw and the bottom of the right measurement claw, the measurement heads are horizontally or vertically arranged and detachably connected with the left measurement claw and the right measurement claw, and a positioning groove matched with the outer side shape of a rim part of a rim is arranged on the side wall surface of each measurement head. The caliper is suitable for rims with different sizes and specifications, can be used for measuring the calibrated diameter and the calibrated width of the rim after the measuring head is simply disassembled and adjusted, has wide application range and good universality, and can be used for measuring data visually and clearly and quantizing the measured data.

Description

Rim calibration size measuring general caliper

Technical Field

The utility model relates to the technical field of rim manufacturing and detection, in particular to a universal caliper for rim calibration size measurement.

Background

The rim is a component that mounts and supports the tire circumferentially on the wheel, and constitutes the wheel together with the spokes. In the wheel industry, it is often necessary to measure the rim gauge size.

To rim calibration diameter, the rim of different specifications need use dedicated ball tape chi and dedicated test tray to measure, and the required ball tape chi of each specification rim is numerous with the test tray model, and the commonality is not strong, and the ball tape chi needs two people's cooperations to use moreover, need exert certain kilogram power simultaneously, and is higher to measurement technique's requirement.

For the rim calibration width, rims of different specifications need to be measured by using special templates, the input cost of measuring tools is high, the general range of the rim width can only be judged by the template measurement, the digital quantization cannot be realized, and the improvement of the product precision is not facilitated.

For the inner diameter of the bottom of a formed groove of a rim or other positions, if a caliper is used for measuring, due to the limitation of the structural outline of a caliper measuring claw and the rim, a plurality of positions on the inner side of the rim cannot be measured; if an inside micrometer is used for measurement, certain requirements are provided for positioning and reading the position of the measurement point.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a universal caliper for measuring the rim calibration size, which is convenient for measuring the rim calibration diameter and the rim calibration width.

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

the utility model provides a rim scaling-off size measures general slide caliper rule, includes main scale, left side measurement claw and right side measurement claw, mark the scale on the main scale, left side measurement claw and right side measurement claw are connected respectively in the bottom of main scale, right side measurement claw can be followed the length direction of main scale makes a round trip to move about, still includes the symmetry and installs the measuring head of measuring claw bottom and right side measurement claw bottom in a left side, measuring head level or vertical setting, and with left side measurement claw, right side measurement claw between can dismantle and be connected, be provided with on the lateral wall face of measuring head with rim position outside shape matched with constant head tank.

Furthermore, a positioning lug is convexly arranged on the side wall surface of the measuring head.

Furthermore, the positioning lug and the positioning groove are respectively positioned on two opposite side wall surfaces.

Furthermore, the lower end of the positioning groove extends to form a positioning inclined plane matched with the shape of the outer contour of the rim.

Furthermore, an acute angle formed between the positioning inclined plane and the horizontal plane is 70-80 degrees. The acute angle is preferably 75 °.

Furthermore, the top of measuring head is seted up and is supplied left side to measure the first mounting hole that the vertical card of claw was gone into in claw or the right side, sets up the second mounting hole that can supply left side to measure the claw or the right side is measured the claw card and is gone into on the lateral wall face of measuring head, the side at axis perpendicular to mounting groove place of second mounting hole.

Furthermore, the side wall surface of the measuring head is also provided with a fixing hole which is communicated with the first mounting hole or the second mounting hole, and a fixing connecting piece is arranged in the fixing hole and is used for fixedly connecting the measuring head with the left measuring claw or the measuring head with the right measuring claw.

The utility model has the following beneficial effects:

1. the caliper is suitable for rims of different sizes and specifications, can be used for measuring the rim calibration diameter or the calibration width after the measuring head is simply disassembled and assembled, has a simple structure and good universality, can measure the numerical value in the process of reading, can quantify the measured data, and has a certain auxiliary effect on the improvement of the product precision.

2. After the positioning lug is additionally arranged on the caliper, the caliper can be used for measuring the inner diameter of the bottom of a rim forming groove or other positions, the application range of the caliper is wider, and the universality is stronger.

3. The caliper can be suitable for various measuring conditions, the number of the calipers for measuring is not required to be excessive, and the rim measuring cost investment is less.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of a measuring head according to the present invention.

FIG. 3 is a schematic view of measuring the calibrated diameter of the rim according to the present invention.

Fig. 4 is an enlarged view of a portion a of fig. 3.

FIG. 5 is a schematic view of measuring the rim nominal width according to the present invention.

Fig. 6 is an enlarged view of the part B in fig. 5.

FIG. 7 is a schematic view of the present invention measuring the inside diameter of a rim.

Fig. 8 is an enlarged view of the structure of part C in fig. 7.

Description of the main component symbols: 1. a main scale; 2. a left measuring jaw; 3. a right measuring jaw; 4. a measuring head; 41. positioning a groove; 42. positioning the bump; 43. positioning the inclined plane; 44. a first mounting hole; 45. a second mounting hole; 46. a fixing hole; 5. a rim; alpha, and an acute angle formed between the positioning inclined plane and the horizontal plane.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description.

As shown in fig. 1-2, the utility model discloses a rim calibration size measurement general caliper, which comprises a main scale 1, a left measurement claw 2 and a right measurement claw 3, wherein scales are marked on the main scale 1, the left measurement claw 2 and the right measurement claw 3 are respectively connected to the bottom of the main scale 1, the right measurement claw 3 can move back and forth along the length direction of the main scale 1, the caliper further comprises measurement heads 4 which are symmetrically arranged at the bottom of the left measurement claw 2 and the bottom of the right measurement claw 3, the measurement heads 4 are horizontally or vertically arranged and are detachably connected with the left measurement claw 2 and the right measurement claw 3, and positioning grooves 41 matched with the outer side shapes of rim parts of a rim 5 are arranged on the side wall surface of the measurement heads 4.

The lower end of the positioning groove 41 extends to form a positioning inclined surface 43 matched with the outer contour shape of the rim 5, so that the positioning is more accurate in measurement. An acute angle alpha between the positioning inclined plane 43 and the horizontal plane is 70-80 degrees, and a preferred angle is 75 degrees. The top of measuring head 4 is seted up and is supplied left side to measure the first mounting hole 44 that the vertical card of claw 2 or right side measurement claw 3 was gone into, sets up on the lateral wall face of measuring head 4 and is supplied left side to measure the second mounting hole 45 that claw 2 or right side measurement claw 3 card was gone into, and the axis perpendicular to side at mounting groove place of second mounting hole 45. A fixing hole 46 penetrating through the first mounting hole 44 or the second mounting hole 45 is further formed in the side wall surface of the measuring head 4, and a fixing connector (not shown in the figure) is arranged in the fixing hole 46 and is used for fixing and connecting the measuring head 4 and the left measuring claw 2 or the measuring head 4 and the right measuring claw 3. The fixing hole 46 and the fixing connector may be a threaded connection structure, a snap-fit structure, or the like.

When the caliper is used for measuring the diameter of the rim 5, as shown in fig. 3-4, before measurement, two measuring heads 4 are vertically installed at the bottoms of the left measuring claw 2 and the right measuring claw 3 through the first installation holes 44, so that the two measuring heads 4 are ensured to be symmetrical to each other during installation, and the installation grooves are arranged oppositely. After installation, the fixing holes 46 and the fixing connectors are locked and fixed. When measuring, find rim 5 reference point and central point, remove simultaneously and measure claw 3 and drive measuring head 4 of its bottom, it is tangent with the laminating of 5 rim lateral surfaces of rim until constant head tank 41 on two measuring heads 4, later direct reading can.

When the caliper is used for measuring the width of the rim 5, as shown in fig. 5-6, before measurement, two measuring heads 4 are respectively horizontally installed at the bottoms of the left measuring claw 2 and the right measuring claw 3 through second installation holes 45, the two measuring heads 4 are symmetrically arranged, installation grooves on the two measuring heads are all downward in the same direction, and the measuring heads 4 are locked and fixed after installation. When the measuring device is used for measuring, the positioning grooves 41 on the two measuring heads 4 are attached to the outer side face of the rim 5 and tangent to each other, and then the reading is carried out.

Based on the measuring head 4 that can dismantle, movably adjust, combine constant head tank 41 location, this slide caliper rule not only can be used for rim 5 to mark the measurement of diameter and demarcation width, but also can be applicable to the rim 5 of not equidimension specification, and the commonality is strong, compares sparingly the measurement cost. When the numerical value is measured, the numerical value is visual and clear, the measured data can be quantized, and the data quantization has certain auxiliary effect on the improvement of the product precision.

In addition, as shown in fig. 7 to 8, positioning projections 42 are provided projecting on the side wall surface of the measuring head 4. At this time, the caliper can also be used for measuring the inner diameters of different positions on the inner side of the rim 5, and similarly, the measuring heads 4 need to be installed before measurement, so that the two measuring heads 4 are ensured to be installed vertically and symmetrically, and the positioning lugs 42 on the two measuring heads are arranged oppositely. During measurement, a reference point and a central point of the rim 5 are found, and the positioning lugs 42 on the two measuring heads 4 are abutted against the inner side wall surface of the rim 5 to perform reading. The added positioning bump 42 structure enables the caliper to measure the inner diameter of the position on the inner side of the rim 5, which is not easy to measure, and the universality of the caliper is further improved. On this basis, location lug 42 and constant head tank 41 can set up respectively on two relative lateral wall faces, and at this moment, use slide caliper rule measuring rim 5 to mark diameter or internal diameter, just need not dismantle installation measuring head 4 again, and slide caliper rule can directly switch over the use, and it is more convenient to measure.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (7)

1. The utility model provides a rim mark scaling-off measure general slide caliper rule, includes main scale, left measurement claw and right measurement claw, the mark has the scale on the main scale, left side measurement claw and right measurement claw are connected respectively in the bottom of main scale, right side measurement claw can be followed the length direction of main scale activity of making a round trip, its characterized in that: the measuring head is installed on the left side and measures the measuring head of claw bottom and right side including the symmetry, measuring head level or vertical setting, and measure the claw with a left side, measure and can dismantle between the claw with the right side and be connected, be provided with on the lateral wall face of measuring head with rim position outside shape matched with constant head tank.

2. A rim gauge size measuring universal caliper according to claim 1 wherein: and a positioning lug is convexly arranged on the side wall surface of the measuring head.

3. A rim gauge size measuring universal caliper according to claim 2 wherein: the positioning lug and the positioning groove are respectively positioned on two opposite side wall surfaces.

4. A rim gauge measuring universal caliper according to claim 1 wherein: the lower end of the positioning groove extends to form a positioning inclined plane matched with the shape of the outer contour of the rim.

5. A rim gauge sizing universal caliper according to claim 4 wherein: the acute angle between the positioning inclined plane and the horizontal plane is 70-80 degrees.

6. A rim gauge size measuring universal caliper according to claim 1 wherein: the top of measuring head is seted up and is supplied left side to measure the first mounting hole that the vertical card of claw was gone into in claw or the right side, sets up the second mounting hole that can supply left side to measure the claw or the right side is measured the claw card and is gone into on the lateral wall face of measuring head, the axis perpendicular to side at mounting groove place of second mounting hole.

7. A rim gauge sizing universal caliper according to claim 6 wherein: the side wall surface of the measuring head is further provided with a fixing hole penetrating through the first mounting hole or the second mounting hole, a fixing connecting piece is arranged in the fixing hole, and the fixing connecting piece is used for fixedly connecting the measuring head and the left measuring claw or the measuring head and the right measuring claw.

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