CN216448736U

CN216448736U - Hole distance measuring ruler

Info

Publication number: CN216448736U
Application number: CN202123107105.1U
Authority: CN
Inventors: 谢博; 王志全; 刘云; 包延香; 黄勇; 谢晨茜; 冉露霞; 王宇杰
Original assignee: Lanzhou City University
Current assignee: Lanzhou City University
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-06
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a pitch measuring ruler, which comprises a vernier caliper and a pitch measuring component; the vernier caliper comprises a main ruler and an oil scale, wherein the upper parts of the main ruler and the oil scale are provided with inner measuring claws, and the lower parts of the main ruler and the oil scale are provided with outer measuring claws; the pitch-row measuring assembly comprises a connecting sleeve, a main rod, a measuring claw and a miniature cone measuring head, the connecting sleeve is detachably connected with the outer measuring claw, the main rod is a telescopic rod, the miniature cone measuring head is connected with the connecting sleeve through the main rod, the measuring claw is of an umbrella-shaped structure, the end part of the measuring claw is arranged at the position, close to the miniature cone measuring head, of the main rod, and a measuring foot of the measuring claw is movably connected with the main rod. The hole distance measuring scale is suitable for measuring the hole distances of the holes with the various sizes and the hole diameters, can conveniently and accurately measure the distances among the holes in different planes, and is simple in structure, easy to carry and strong in practicability.

Description

Hole distance measuring ruler

Technical Field

The utility model belongs to the technical field of measuring tools, and particularly relates to a hole distance measuring scale.

Background

In the family of measuring instruments, a vernier caliper is used as a widely used high-precision measuring tool, and is an extension and expansion of a ruled line ruler. The vernier caliper is composed of a main ruler and a vernier attached to the main ruler and capable of sliding, and can be used for measuring the length, the inner diameter and the outer diameter of an object. In actual production life, the distance between holes and the size of the hole diameter are often required to be measured, the hole diameter range of different sizes cannot be adjusted by the existing hole diameter measuring tool, the measured hole diameter range is limited, measuring heads need to be frequently replaced when the holes with different hole diameters are measured by the device capable of measuring different hole diameters, the measuring efficiency is directly influenced, and the common measuring tool cannot be used for quickly and accurately measuring the hole distances of different planes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hole distance measuring ruler, which aims to solve the problems in the prior art in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a hole distance measuring scale comprises a vernier caliper and a hole distance measuring component; the vernier caliper comprises a main ruler and an oil scale, wherein the upper parts of the main ruler and the oil scale are provided with inner measuring claws, and the lower parts of the main ruler and the oil scale are provided with outer measuring claws; the pitch-row measuring assembly comprises a connecting sleeve, a main rod, a measuring claw and a miniature cone measuring head, the connecting sleeve is detachably connected with the outer measuring claw, the main rod is a telescopic rod, the miniature cone measuring head is connected with the connecting sleeve through the main rod, the measuring claw is of an umbrella-shaped structure, the end part of the measuring claw is arranged at the position, close to the miniature cone measuring head, of the main rod, and a measuring foot of the measuring claw is movably connected with the main rod.

The umbrella-shaped structure is used for measuring the distance between the holes in different apertures, the umbrella-shaped structure has a guiding function, the stability of measurement and the accuracy of measured data are guaranteed, the main rod adopts a telescopic rod form, and the umbrella-shaped structure is matched with the measuring claw to measure the distance between the holes in different planes and different apertures.

Furthermore, the measuring claw is a three-pin measuring claw, and the three measuring pins are arranged in a 120-degree circumference. The three-leg measuring claw effectively improves the measuring stability, is not easy to swing, and has accurate and reliable measuring data.

Furthermore, the measuring foot is connected with the main rod through a straight hinge.

Furthermore, the connecting sleeve is provided with a groove matched with the outer measuring claw in shape and size. The outer measuring claw is embedded into the connecting sleeve through the groove, so that the hole distance measuring assembly is very convenient to mount and dismount.

Furthermore, a conical measuring head is detachably arranged on the inner measuring claw.

Furthermore, a groove matched with the shape and the size of the inner measuring claw is formed in the conical measuring head.

Furthermore, the horizontal section diameter of the conical measuring head is 15mm, and the conical measuring head can measure the hole pitch of holes with the hole diameter within 15 mm.

Further, the horizontal section diameter of the conical part of the miniature conical measuring head is 6 mm. The miniature circular cone gauge head and the cooperation of measuring the claw make the measurable aperture range in hole apart from measuring unit bigger, promote the practicality of pitch-row dipperstick.

Compared with the defects and shortcomings of the prior art, the utility model has the following beneficial effects:

1. the utility model provides a hole distance measuring ruler, wherein a conical measuring head and a hole distance measuring assembly are of detachable structures, and the measuring ruler is convenient to install and easy to carry.

2. The main rod in the pitch-row measuring assembly is a telescopic rod, the measuring claw is of an umbrella-shaped structure, and the pitch-row measuring ruler can measure the pitch-row of holes with different apertures and the pitch-row of holes with different planes through the combination of the telescopic rod and the measuring claw, so that the measured data is accurate.

Drawings

Fig. 1 is a schematic view of a pitch measuring tape equipped with a pitch measuring assembly in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a pitch measuring tape for simultaneously assembling a conical probe and a pitch measuring unit according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a vernier caliper according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of a conical probe in an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a pitch measurement assembly in an embodiment of the utility model.

Fig. 6 is a schematic cross-sectional view at a-a in fig. 5.

In the figure: 1-a vernier caliper; 11-main scale; 12-oil dipstick; 13-inner measuring jaw; 14-outer measuring jaw; 2-a conical probe; 21-a conical section; 22-a cylindrical portion; 3-a pitch measurement assembly; 31-a connecting sleeve; 32-a main bar; 33-measuring jaw; 34-miniature cone probe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2, an aperture measuring ruler includes a vernier caliper 1 for measuring the length, inner and outer diameters and depth of an object; the conical measuring head 2 is used for measuring the distance between the holes with smaller apertures; and the hole distance measuring assembly 3 is used for measuring the distance between holes in different planes.

Referring to fig. 3, the vernier caliper 1 includes a main ruler 11 and an oil scale 12, wherein inner measuring claws 13 are arranged at the upper parts of the main ruler 11 and the oil scale 12, and can measure the width of a groove, the inner diameter of a hole and the maximum distance between the two holes; the lower parts of the main ruler 11 and the oil scale 12 are provided with outer measuring claws 14 which can measure the thickness of an object, the outer diameter of a pipe and the minimum distance between two holes; the oil level gauge 12 is provided with a depth gauge which can measure the depth of an object along with the sliding of the oil level gauge 12 relative to the main gauge 11.

Referring to fig. 4, the conical stylus 2 has a conical portion 21 and a cylindrical portion 22 integrally provided, and the maximum diameter of the horizontal cross section of the conical portion 21 is the same as the diameter of the horizontal cross section of the cylindrical portion 22, preferably 15mm, so that the conical stylus can measure the distance between holes having a hole diameter within 15mm in the same plane. The circular cone gauge head 2 can be dismantled with vernier caliper 1's interior measuring claw 13 and be connected, and is concrete, be equipped with in the circular cone gauge head 2 with the recess of interior measuring claw 13 shape and size adaptation, during the use, with interior measuring claw 13 embedding circular cone gauge head 2 in the recess can, measure the pitch-row between the hole within 15mm through circular cone gauge head 2, need not frequent change gauge head, convenient and fast.

Referring to fig. 5 and 6, the pitch measuring assembly 3 includes a connecting sleeve 31, a main rod 32, a measuring claw 33 and a miniature conical measuring head 34, and a groove matched with the size and shape of the outer measuring claw 14 of the vernier caliper 1 is formed in the connecting sleeve 31, so that the connecting sleeve 31 is detachably connected with the outer measuring claw 14; the main rod 32 is a telescopic rod, the length of the main rod can be adjusted according to measurement requirements, the distance between holes in different planes can be conveniently measured, one end of the main rod 32 is connected with the connecting sleeve 31, and the other end of the main rod is provided with a miniature conical measuring head 34; the center of the miniature conical measuring head 34 is consistent with the measuring reference of the outer measuring claw 14; the measuring claw 33 is of an umbrella-shaped structure, the three-foot measuring claw is preferably selected by the measuring claw 33, the three measuring feet are distributed in a 120-degree circumference mode and are respectively connected with the main rod 32 in a sliding mode through three straight hinges, the end portion of the three-foot measuring claw is fixed to one side, close to the miniature conical measuring head 34, of the main rod 32, scales are marked on the three-foot measuring claw, a guiding effect is achieved, the center of the miniature conical measuring head 34 coincides with the center of a hole to be measured by adjusting the measuring claw 33, and measuring accuracy is guaranteed.

In order to enable the pitch measuring component 3 to be suitable for holes to be measured with a larger aperture range, the maximum diameter of the section of the conical part of the miniature conical measuring head 34 is set to be 6mm, holes with the aperture within 6mm can be measured through the miniature conical measuring head 34, and holes with the aperture more than 6mm are measured in an auxiliary positioning mode through the measuring claw 33, so that the aperture range of the holes to be measured, which can be measured by the pitch measuring component 3, is larger.

The utility model provides a hole distance measuring ruler, which can quickly and accurately measure the distance between two holes in the same plane through a conical measuring head 2, and a hole distance measuring component 3 can measure the distance between holes with different sizes in the same plane and the distance between holes in different planes. The hole distance measuring scale is simple in structure, convenient to carry, accurate in measurement and high in measuring efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A pitch measuring ruler is characterized by comprising a vernier caliper and a pitch measuring component; the vernier caliper comprises a main ruler and an oil scale, wherein the upper parts of the main ruler and the oil scale are provided with inner measuring claws, and the lower parts of the main ruler and the oil scale are provided with outer measuring claws; the pitch-row measuring assembly comprises a connecting sleeve, a main rod, a measuring claw and a miniature cone measuring head, the connecting sleeve is detachably connected with the outer measuring claw, the main rod is a telescopic rod, the miniature cone measuring head is connected with the connecting sleeve through the main rod, the measuring claw is of an umbrella-shaped structure, the end part of the measuring claw is arranged at the position, close to the miniature cone measuring head, of the main rod, and a measuring foot of the measuring claw is movably connected with the main rod.

2. The pitch measurement tape of claim 1, wherein said measurement jaw is a three-pronged measurement jaw having three measurement prongs arranged in a 120 ° circumferential arrangement.

3. The pitch measuring tape of claim 2, wherein said measuring foot is connected to said main bar by an in-line hinge.

4. The pitch measuring tape as claimed in claim 1, wherein said coupling sleeve is provided with a groove adapted to the shape and size of the outer measuring jaw.

5. The pitch measurement ruler of claim 1 wherein said inner measurement jaw has a conical stylus removably disposed thereon.

6. The pitch measuring tape according to claim 5, wherein said conical probe has a recess therein adapted to the shape and size of the inner measuring jaw.

7. The hole pitch measurement ruler of claim 5, wherein the horizontal cross-sectional diameter of said conical stylus is 15 mm.

8. The pitch measurement ruler of claim 1 wherein the conical section of said miniature conical stylus has a horizontal cross-sectional diameter of 6 mm.