阅读说明：本技术 一种内外管径测量装置 (Inside and outside pipe diameter measuring device ) 是由 张薇 袁金芳 吴丹 韦清 岳红芳 于 2020-12-16 设计创作，主要内容包括：本发明公开了一种内外管径测量装置,包括底座,底座包括两块底板,底座上安装有两块第一滑块,第一滑块与两块底板连接,两块第一滑块上均安装有第一固定旋钮,两块第一滑块均固定连接有第一测量杆,第一测量杆侧壁上均固定安装有支撑板,支撑板上安装有第二滑块,支撑板包括两块撑板,第二滑块与两块撑板连接,第二滑块上安装有第二固定旋钮,第二滑块固定连接有第二测量杆；一种内外管径测量装置,可同时测量管的内径和外径,测量不再单一,测量准确,误差小,设计简单,制造成本低,操作方便,达到的有益效果明显,事半功倍。(The invention discloses an inner and outer pipe diameter measuring device which comprises a base, wherein the base comprises two bottom plates, two first sliding blocks are arranged on the base and connected with the two bottom plates, first fixing knobs are arranged on the two first sliding blocks, the two first sliding blocks are fixedly connected with a first measuring rod, supporting plates are fixedly arranged on the side walls of the first measuring rod, second sliding blocks are arranged on the supporting plates and comprise two supporting plates, the second sliding blocks are connected with the two supporting plates, second fixing knobs are arranged on the second sliding blocks, and the second sliding blocks are fixedly connected with a second measuring rod; the utility model provides an inside and outside pipe diameter measuring device, can survey internal diameter and the external diameter of buret simultaneously, measure no longer single, measure accurate, the error is little, the design is simple, low in manufacturing cost, convenient operation, the beneficial effect who reaches is obvious, makes half a effort doubly.)

1. The inner and outer pipe diameter measuring device comprises a base and is characterized in that the base comprises two bottom plates, and the two bottom plates are parallel to each other and have a distance; the base is provided with two first sliding blocks, the first sliding blocks are connected with two bottom plates, the two bottom plates are both parallel to a horizontal plane, the two first sliding blocks are both provided with a first fixing knob, the two first sliding blocks are both fixedly connected with a first measuring rod, the first measuring rod is perpendicular to the bottom plates, and the outer side wall of the first measuring rod, which is in contact with the inner wall of the measuring pipe, is in an arc shape;

the supporting plate is fixedly mounted on the side wall of the first measuring rod, the supporting plate is parallel to the base, the second sliding block is mounted on the supporting plate, the supporting plate comprises two supporting plates, the second sliding block is connected with the two supporting plates, the two supporting plates are parallel to each other and have intervals, the two supporting plates are parallel to the horizontal plane, the second sliding block is provided with a second fixing knob, the second sliding block is fixedly connected with a second measuring rod, and the second measuring rod is perpendicular to the supporting plates.

2. The inside-outside diameter measuring device according to claim 1, wherein 1 to 3 first fixing knobs are provided.

3. The inside-outside diameter measuring device according to claim 1, wherein 1 to 3 second fixing knobs are provided.

4. The inside and outside diameter measuring device according to claim 1, wherein the first measuring rod and the second measuring rod are rectangular solids.

5. The inside and outside diameter measuring device according to claim 1, wherein a rotating handle is provided on each of the first and second fixed knobs.

Technical Field

The invention relates to a measuring device, in particular to an inner and outer pipe diameter measuring device.

Background

The application of the pipe is very common in our life and work, and many times we need to accurately know the inner diameter and the outer diameter of the pipe so as to be convenient for our use and demand, and the existing inner diameter and outer diameter measuring device of the pipe has the following problems: 1. the measurement is single, generally only the inner diameter of the tube can be measured, and the outer diameter measurement is troublesome or cannot be directly measured and needs to be obtained through calculation; 2. the measuring device is complicated and the manufacturing cost is high.

Disclosure of Invention

In order to solve the problems, the invention provides an inner and outer pipe diameter measuring device. The technical scheme adopted by the invention is as follows: an inner and outer pipe diameter measuring device comprises a base, wherein the base comprises two bottom plates which are parallel to each other and have a distance; the base is provided with two first sliding blocks, the first sliding blocks are connected with two bottom plates, the two bottom plates are both parallel to a horizontal plane, the two first sliding blocks are both provided with a first fixing knob, the two first sliding blocks are both fixedly connected with a first measuring rod, the first measuring rod is perpendicular to the bottom plates, and the outer side wall of the first measuring rod, which is in contact with the inner wall of the measuring pipe, is in an arc shape;

the supporting plate is fixedly mounted on the side wall of the first measuring rod, the supporting plate is parallel to the base, the second sliding block is mounted on the supporting plate, the supporting plate comprises two supporting plates, the second sliding block is connected with the two supporting plates, the two supporting plates are parallel to each other and have intervals, the two supporting plates are parallel to the horizontal plane, the second sliding block is provided with a second fixing knob, the second sliding block is fixedly connected with a second measuring rod, and the second measuring rod is perpendicular to the supporting plates.

Further, the first fixing knob is provided with 1 to 3.

Further, the number of the second fixing knobs is 1 to 3.

Furthermore, the first measuring rod and the second measuring rod are cuboids.

Furthermore, the first fixing knob and the second fixing knob are both provided with a rotating handle.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to an inner and outer pipe diameter measuring device, wherein pipes needing to be measured are sleeved on two first measuring rods, then two first sliding blocks are respectively moved towards the left side and the right side until the two first sliding blocks can not be moved any more, then the first sliding blocks are fixed through a first fixing knob, and finally the sum of the width of the first measuring rods and the distance between the first measuring rods is the inner diameter of the pipe by measuring the distance between the two first measuring rods and the width of the two first measuring rods; the first fixed knob is not unscrewed temporarily after the inner diameter of the measuring pipe, the first sliding block is kept fixed, the two second measuring rods are tightly attached to the outer wall of the pipe through the movement of the second sliding block, the second sliding block is fixed through the second fixed knob, and the distance between the two second measuring rods is the outer diameter of the pipe. The method is simple to operate, the inner diameter and the outer diameter of the pipe can be measured simultaneously, and the measurement is not single any more. The device has accurate measurement and small error.

2. The inner and outer pipe diameter measuring device is simple in design, low in manufacturing cost, convenient to operate, obvious in achieving beneficial effect and capable of achieving twice the result with half the effort.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a perspective view of the present invention.

In the figure, 1-a bottom plate, 2-a first sliding block, 3-a first fixed knob, 4-a first measuring rod, 5-a second sliding block, 6-a supporting plate, 7-a second fixed knob and 8-a second measuring rod.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

The core of the invention is to provide an inner and outer pipe diameter measuring device, which can measure the inner diameter and the outer diameter of the pipe at the same time, and has the advantages of no single measurement, accurate measurement, small error, simple design, low manufacturing cost, convenient operation, obvious beneficial effect and double results with half the effort.

Fig. 1 is a perspective view of the present invention. As shown in fig. 1, the invention provides an inner and outer pipe diameter measuring device, which comprises a base, wherein the base comprises two bottom plates 1, and the two bottom plates 1 are parallel to each other and have a distance; the base is provided with two first sliding blocks 2, the first sliding blocks 2 are connected with two bottom plates 1, the two bottom plates 1 are both parallel to a horizontal plane, first fixing knobs 3 are mounted on the two first sliding blocks 2, the two first sliding blocks 2 are both fixedly connected with first measuring rods 4, the first measuring rods 4 are perpendicular to the bottom plates 1, and the outer side walls of the first measuring rods 4, which are in contact with the inner wall of a measured pipe, are arc-shaped;

equal fixed mounting has backup pad 6 on the 4 lateral walls of first measuring stick, backup pad 6 is parallel with the base, install second slider 5 in the backup pad 6, backup pad 6 includes two faggings 6, second slider 5 is connected with two faggings 6, two faggings 6 are parallel to each other, and have the interval, two faggings 6 are all parallel with the horizontal plane, install the fixed knob 7 of second on the second slider 5, 5 fixedly connected with second measuring stick 8 of second slider, second measuring stick 8 is perpendicular with fagging 6.

Further, the first fixing knob 3 is provided with 1 to 3.

Further, the second fixing knob 7 is provided with 1 to 3.

Further, the first measuring rod 4 and the second measuring rod 8 are both cuboids.

Furthermore, the first fixing knob 3 and the second fixing knob 7 are both provided with a rotating handle.

The working principle of the invention is as follows: the pipe that will need the measurement is covered on two first measuring stick 4, then moves two first sliders 2 respectively to left and right sides, until two first sliders 2 can not moved again, then fixes first slider 2 through first fixed knob 3, and through measuring the interval of two first measuring stick 4 and the width of two first measuring stick 4 themselves at last, the sum of the width of first measuring stick 4 itself and the interval between them is exactly the internal diameter of pipe.

After the inner diameter of the measuring pipe is measured, the first fixing knob 3 is not unscrewed temporarily, so that the first sliding block 2 is kept fixed, the second sliding block 5 moves to enable the two second measuring rods 8 to be attached to the outer wall of the pipe, the second sliding block 5 is fixed through the second fixing knob 7, and the distance between the two second measuring rods 8 is the outer diameter of the pipe.

After the measurement is finished, the first fixing knob 3 and the second fixing knob 7 are unscrewed, the first sliding block 2 and the second sliding block 5 are moved, and then the pipe can be taken down, and the measurement is finished.

The number of the first fixing knobs 3 is 1 to 3, and the number of the first fixing knobs 3 can be 1, 2 or 3 according to needs, so that the first sliding blocks 2 can be stably fixed.

The number of the second fixing knobs 7 is 1 to 3, and the number of the second fixing knobs 7 can be 1, 2 or 3 according to needs, so that the second sliding blocks 5 can be stably fixed.

First measuring stick 4 is circular-arc with the lateral wall of the contact of measuring inside pipe wall, can laminate with measuring inside pipe wall better, makes to measure more accurately, and second measuring stick 8 is the cuboid, sets up to the cuboid can more laminate with the inside pipe wall, makes measuring error littleer.

The first fixing knob 3 and the second fixing knob 7 are both provided with a rotating handle, and the rotating handles are convenient to rotate on the first fixing knob 3 and the second fixing knob 7.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.