CN114087948B

CN114087948B - Measuring device convenient to carry

Info

Publication number: CN114087948B
Application number: CN202111307482.1A
Authority: CN
Inventors: 骆虎; 杨继
Original assignee: Wuhan Yala Shampoo Technology Co ltd; WUHAN ENGINEERING SCIENCE & TECHNOLOGY INSTITUTE
Current assignee: Wuhan Yala Shampoo Technology Co ltd; WUHAN ENGINEERING SCIENCE & TECHNOLOGY INSTITUTE
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2023-11-21
Anticipated expiration: 2041-11-05
Also published as: CN114087948A

Abstract

The application relates to a portable measuring device, which comprises a protractor and a length measuring component; the length measurement assembly comprises a rotating rod and a ruler, the rotating rod is connected with the protractor, the ruler is in sliding connection with the rotating rod along the direction of approaching or separating from the protractor, and the ruler slides to different positions of the rotating rod to measure different range values; when the length dimension of the required measurement has overlarge difference, the existing measuring device is difficult to simultaneously meet the measurement requirement and is convenient to carry.

Description

Measuring device convenient to carry

Technical Field

The application relates to the technical field of surveying and mapping measuring tools, in particular to a measuring device convenient to carry.

Background

In building model fabrication, mapping tools are important, which directly affect the accuracy of building model fabrication. The usual mapping tools have: triangular rule, ruler, set square, curved rule, compasses, vernier caliper, template and snake rule.

Because of the large number of measuring tools, in order to facilitate carrying, a series of measuring tools are extended from the prior art by improving the prior measuring tools, for example, a folding ruler protractor with the application number of CN201420865353.3, and the functions of the ruler and the protractor are integrated.

However, in the actual measurement process, there is a case that the difference in the length dimension to be measured is too large, and if the length of the ruler portion is too short, it is difficult to satisfy the measurement requirement, and the carrying is inconvenient.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a portable measuring device for solving the problems that the conventional measuring device is difficult to meet the requirement of measurement and is portable when there is an excessive difference in the length dimension of the measurement.

The application provides a portable measuring device, which comprises a protractor and a length measuring component; the length measurement assembly comprises a rotating rod and a ruler, wherein the rotating rod is connected with the protractor, the ruler is in sliding connection with the rotating rod along the direction close to or far away from the protractor, and the ruler slides to different positions of the rotating rod for measuring different range values.

Further, one end of the rotating rod is connected with the protractor, the ruler is in a hollow cylindrical shape, graduation marks arranged along the length direction of the ruler are arranged on the outer wall of the ruler, and the other end of the rotating rod penetrates through the ruler.

Further, a plurality of locating holes are formed in the rotating rod, the locating holes are formed in the rotating rod at equal intervals along the length direction of the rotating rod, and the rotating rod can be connected with any locating hole through a locking piece.

Further, the length of the rotating rod is greater than the length of the ruler.

Further, the number of the length measuring assemblies is two, and one ends of the two rotating rods are rotatably connected with cylindrical protrusions on the protractor.

Further, one end of each of the two rotating rods may be fixed with respect to the protractor via a knob.

Further, the angle gauge comprises a circumference measuring assembly, wherein the circumference measuring assembly comprises a rope, and one end of the rope is fixedly connected with the angle gauge.

Further, the circumference measuring assembly further comprises a winding drum, and the rope is wound on the winding drum and used for winding and unwinding the rope.

Further, one end of the rope, which is far away from the protractor, is fixedly connected with a handle.

Further, a groove is formed in the handle, and one end, away from the protractor, of the rotating rod can be clamped in the groove.

Compared with the prior art, through setting up length measurement subassembly and including a bull stick and ruler, the bull stick is connected with the protractor, and ruler is along being close to or keep away from the direction and bull stick sliding connection of protractor, and ruler slides to the different position department of bull stick for measure different scope values, the slip adaptable required measuring length size through ruler for the bull stick exists the too big condition of difference, and slidable ruler is minimum to whole length measurement subassembly's size, in order to carry.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a portable measuring device in this embodiment;

fig. 2 is a schematic structural diagram of a length measurement assembly in the embodiment of the portable measurement device according to the present application;

fig. 3 is a schematic diagram illustrating connection between a relay rod and a ruler in the embodiment of the portable measuring device according to the present application;

fig. 4 is a schematic structural diagram of a circumference measuring component in the present embodiment of a portable measuring device according to the present application.

Detailed Description

The following detailed description of preferred embodiments of the application is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the application, are used to explain the principles of the application and are not intended to limit the scope of the application.

As shown in fig. 1 and 3, a portable measuring device in this embodiment includes a protractor 100 and a length measuring component 200, the length measuring component 200 includes a rotating rod 210 and a straight ruler 220, the rotating rod 210 is connected with the protractor 100, the straight ruler 220 is slidably connected with the rotating rod 210 along a direction approaching or separating from the protractor 100, and the straight ruler 220 is slidably moved to different positions of the rotating rod 210 for measuring different range values.

Wherein the length of the entire length measuring assembly 200 can be adjusted via sliding of the ruler 220 to different positions relative to the turning bar 210, thereby adapting to measuring work of different range values.

In a preferred embodiment, one end of the rotating rod 210 is connected with the protractor 100, the ruler 220 is in a hollow cylinder shape, graduation marks 221 arranged along the length direction of the ruler 220 are arranged on the outer wall of the ruler 220, and the other end of the rotating rod 210 passes through the ruler 220.

In order to facilitate determining the distance between the ruler 220 and the protractor 100, in a preferred embodiment, the rotating rod 210 is provided with a plurality of positioning holes 211, the plurality of positioning holes 211 are equally spaced along the length direction of the rotating rod 210, and the rotating rod 210 can be connected with any one positioning hole 211 through a locking member 222.

The locking member 222 may be configured as a locking screw, etc., so as to be cooperatively connected with the positioning hole 211 to fix the ruler 220 relative to the rotating rod 210.

To enhance the measurement capability of the length measurement assembly 200, in a preferred embodiment, the number of length measurement assemblies 200 is two, and one end of each of the two rotating rods 210 is rotatably coupled to a cylindrical boss on the protractor 100.

Wherein, can form the contained angle of arbitrary size between two straightedge 220, the work of the protractor 100 measurement angle of being convenient for, simultaneously, two straightedge 220 can collinearly set up to the length of extension whole length measurement subassembly 200, the effectual range that enlarges this measuring device.

To facilitate adjustment of the angle between the two straightedges 220, in a preferred embodiment, one end of the two rotating rods 210 can be fixed relative to the protractor 100 via a knob 230.

In a preferred embodiment, as shown in fig. 2, the measuring device further comprises a circumference measuring assembly 300, wherein the circumference measuring assembly 300 comprises a string 320, and one end of the string 320 is fixedly connected with the protractor 100.

Specifically, the rope 320 encloses the object to be measured, confirms the coincident mark points, and straightens the rope 320 to make the mark points fall on the scale lines 221 of the ruler 220, thereby obtaining the perimeter of the object to be measured. Further, the string 320 may also be used to measure the length of an irregular curve, such as an arcuate line or the like.

In order to accommodate objects to be measured having different sizes, in a preferred embodiment, as shown in fig. 4, the circumference measuring assembly 300 further includes a drum 310, and the rope 320 is wound around the drum 310 to wind and unwind the rope 320, and the rope 320 can be wound or unwound by the drum 310 to achieve the effect of controlling the distance between both ends of the rope 320.

In a preferred embodiment, the spool 310 should be disposed at a side of the protractor 100 away from the rope 320, specifically, one end of the rope 320 passes through the protractor 100 and a cylindrical protrusion thereon and is wound onto the spool 310, and the spool 310 is rotatably connected with the protractor 100 to avoid the spool 310 from affecting the measurement of the rope 320.

Also for ease of portability, in a preferred embodiment, the end of cord 320 remote from protractor 100 is fixedly connected to handle 330, and the measuring device may be carried by handle 330.

In a preferred embodiment, the handle 330 is provided with a groove 331, and the end of the rotating rod 210 away from the protractor 100 can be clamped in the groove 331, so that the rope 320 can be pulled tightly by the winding drum 310, as shown in fig. 4, and at this time, the whole measuring device forms a closed structure, and is convenient to carry.

The working flow is as follows: the standard value can be determined after each positioning hole 211 slides relative to the rotating rod 210 in the direction away from the protractor 100, and the distance from the center of the protractor 100 to the positioning hole 211 connected with the rotating rod 210 in fig. 1 is a fixed value, the length of the object to be measured can be obtained by measuring the reading on the rotating rod 220 and adding the fixed value to the reading on the rotating rod 220, and the sliding of the rotating rod 210 relative to the rotating rod 220 is convenient for adjusting the size of the whole length measuring assembly 200, and the size is convenient for carrying when the size is minimum.

Compared with the prior art: through setting up length measurement subassembly 200 and including a bull stick 210 and ruler 220, bull stick 210 is connected with protractor 100, and ruler 220 is along being close to or keep away from the direction of protractor 100 and bull stick 210 sliding connection, and ruler 220 slides to the different positions department of bull stick 210 for measure different range values, can adapt to the circumstances that the length dimension that needs to measure has too big difference through the slip of ruler 220 for bull stick 210, and slidable ruler 220 is minimum to the size of whole length measurement subassembly 200, so as to portable.

The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application.

Claims

1. A portable measuring device, comprising a protractor and a length measuring assembly;

the length measurement assembly comprises a rotating rod and a ruler, the rotating rod is connected with the protractor, the ruler is in sliding connection with the rotating rod along the direction of approaching or separating from the protractor, and the ruler slides to different positions of the rotating rod to measure different range values;

the number of the length measuring assemblies is two, and one end of each of the two rotating rods is rotationally connected with the cylindrical bulge on the protractor;

still include a perimeter measurement subassembly, perimeter measurement subassembly includes the rope, the one end of rope with protractor fixed connection, perimeter measurement subassembly still includes a reel, the rope is around locating on the reel for receive and release the rope, the rope is kept away from the one end fixedly connected with handle of protractor, the recess has been seted up on hand, the bull stick is kept away from the one end of protractor can block in the recess, the accessible the reel will the rope is taut, forms a closed structure, portable.

2. The portable measuring device according to claim 1, wherein one end of the rotating rod is connected with the protractor, the ruler is in a hollow cylindrical shape, graduation marks arranged along the length direction of the ruler are arranged on the outer wall of the ruler, and the other end of the rotating rod penetrates through the ruler.

3. The portable measuring device according to claim 2, wherein the rotating rod is provided with a plurality of positioning holes, the plurality of positioning holes are arranged at equal intervals along the length direction of the rotating rod, and the rotating rod can be connected with any one of the positioning holes through a locking piece.

4. The portable measuring device of claim 1, wherein the length of the swivel rod is greater than the length of the ruler.

5. The portable measuring device of claim 1, wherein one end of both of said rotating rods is fixable relative to said protractor via a knob.