Portable circular tube diameter measuring device

Abstract

The utility model discloses a portable circular tube diameter measuring device which comprises a measuring plate and an extension plate, the measuring plate and the extension plate are connected with each other, and the outer side of the measuring plate is connected with a sliding block in a sliding mode. According to the portable circular tube diameter measuring device, through rotation of the second limiting plate, the measuring plate and the second limiting plate are in a vertical state and are locked through the locking nut, so that the measuring plate and the second limiting plate can be fixed, subsequent circular tube diameter measuring work is facilitated, and the portable circular tube diameter measuring device is simple in structure, convenient to operate and high in practicability. When the second limiting plate is not used, the second limiting plate can be rotated to the rear surface of the measuring plate, carrying is convenient, the circular pipe can be conveniently limited through the clamped first limiting plate, and therefore the purpose of measuring the diameter of the circular pipe is achieved, that is, a guide rail on the inner side of a sliding block moves in a guide groove; therefore, the purpose of rapidly measuring the diameter of the circular tube by adjusting the position of the first limiting plate can be achieved, and the first limiting plate can be detached to be carried when not in use.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe diameter measurement technical field, concretely is a portable pipe diameter measurement device. BACKGROUND

[0002] Pipe refers to the both ends open and have hollow concentric circle section, its length and the steel material of periphery comparison big, can be used for pipeline, thermal equipment, mechanical industry, petroleum geology drilling, container, chemical industry and special purpose, in the pipe production use, in order to be able to accurately carry out pipeline corresponding connection, need to measure the diameter of pipe by ruler;

[0003] Chinese patent discloses a kind of device (announcement number CN211205132U) for pipe diameter measurement, the patent technology includes workbench, workbench upper end is respectively excavated with sliding groove and arc-shaped placement groove, and arc-shaped placement groove is located inside sliding groove, a pair of T-shaped slider is slidably connected in sliding groove, a pair of T-shaped slider is fixedly connected with tension spring between, T-shaped slider upper end is connected with clamping plate, the front end of one of clamping plate is fixedly connected with screw rod, the front end of another clamping plate is fixedly connected with L-shaped placement rod, L-shaped placement rod end close to screw rod is fixedly connected with first connecting rod, first connecting rod end away from L-shaped placement rod is fixedly connected with pointer, L-shaped placement rod is excavated with ruler slot, ruler slot is slidably connected with measuring ruler, different thickness pipe diameter is realized fast measurement, and measurement method is more convenient and accurate;

[0004] However, there are still deficiencies for the patent, although the patent can measure pipe diameter, as can be seen from the drawings of the patent, the structure of the patent is complex, which is not convenient to carry during use, and affects the measurement work of pipe, therefore, a portable pipe diameter measurement device is provided by the person skilled in the art to solve the problems raised in the above background art. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of portable pipe diameter measurement device to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of portable pipe diameter measurement device, including measuring plate and extension plate, the measuring plate is connected with extension plate, the outer side of the measuring plate is slidably connected with sliding block, the sliding block is connected with first limit plate, the rear surface of the measuring plate is connected with rotatable second limit plate.

[0007] Preferably, the outer side of the sliding block is provided with fastening bolt, and the sliding block can be locked with the measuring plate through the fastening bolt, and the sliding block is "U" type structure, through the above structure, the sliding block can be locked, to ensure the stability of the device.

[0008] Preferably, a guide rail is fixed on the sliding block, the guide rail is in the same height with the sliding block, and the guide rail is in sliding connection with the guide groove on the measuring plate.

[0009] Preferably, positioning holes are symmetrically arranged on the upper end face of the sliding block, and clamping holes are symmetrically arranged on the right side of the sliding block.

[0010] Preferably, positioning columns are symmetrically fixed on the lower end face of the first limiting plate, and the positioning columns are in clamping connection with the positioning holes.

[0011] Preferably, the lower end of the second limiting plate is connected with the rotating rod, the rotating rod penetrates through the rotating groove on the measuring plate, and a positioning disc is further fixed on the rotating rod and arranged on the front side of the measuring plate.

[0012] Preferably, the second limiting plate is in positioning connection with the positioning plate, and the positioning plate is vertically fixed on the measuring plate.

[0013] Preferably, the lower end of the second limiting plate is connected with the rotating rod, the rotating rod penetrates through the rotating groove on the measuring plate, and a positioning disc is further fixed on the rotating rod and arranged on the front side of the measuring plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a rotating of the second limiting plate, so that the measuring plate and the second limiting plate are in the perpendicular state, and are locked through the locking nut, so that the measuring plate and the second limiting plate can be fixed, to facilitate subsequent pipe diameter measurement work, the simple structure is convenient to operate, and when the second limiting plate is not used, it can be rotated to the rear surface of the measuring plate, so that it is convenient to carry.

[0016] 2, the utility model discloses a first limiting plate can conveniently limit the circular tube to the purpose of measuring the diameter of circular tube, that is, the guide rail in the slider moves inside the guide groove, and then the position of the first limiting plate can be adjusted to realize the purpose of quickly measuring the diameter of circular tube, and the first limiting plate can be detached and carried when not in use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole set of three-dimensional structure schematic diagram of the utility model device;

[0018] Figure 2 It is the utility model Figure 1 It is the utility model

[0019] Figure 3 It is the utility model

[0020] Figure 4 It is the utility model Figure 3 It is the utility model

[0021] Figure 5 It is the utility model

[0022] Figure 6 It is the utility model

[0023] In the drawing: 1, measuring plate;2, sliding block;21, guide rail;22, guide groove;23, positioning hole;24, clamping hole;3, first limiting plate;31, positioning column;32, clamping pin;4, second limiting plate;41, positioning disc;42, rotating groove;43, rotating rod;44, lock nut;45, positioning plate;5, extension plate;51, butt joint rod;52, butt joint hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides a technical scheme: a portable circular tube diameter measuring device, including measuring plate 1 and extension plate 5, measuring plate 1 and extension plate 5 are connected with each other, the outer side of measuring plate 1 is slidably connected with sliding block 2, and sliding block 2 is connected with first limiting plate 3, and the rear surface of measuring plate 1 is connected with rotatable second limiting plate 4.

[0026] The outer side of the sliding block 2 is provided with a fastening bolt, and the sliding block 2 is locked with the measuring plate 1 through the fastening bolt, and the sliding block 2 is a "U" type structure; the sliding block 2 is fixed with a guide rail 21, and the guide rail 21 is in the same height with the sliding block 2, and the guide rail 21 is in sliding connection with a guide groove 22 opened on the measuring plate 1; the upper end face of the sliding block 2 is symmetrically provided with a positioning hole 23, and the right side of the sliding block 2 is symmetrically provided with a clamping hole 24; the lower end face of the first limiting plate 3 is symmetrically fixed with a positioning column 31, and the positioning column 31 is in clamping connection with the positioning hole 23, the left end face of the first limiting plate 3 is symmetrically fixed with a clamping pin 32, and the clamping pin 32 is in clamping connection with the clamping hole 24; the lower end of the second limiting plate 4 is connected with a rotating rod 43, the rotating rod 43 penetrates through a rotating groove 42 opened on the measuring plate 1, and the rotating rod 43 is further fixed with a positioning disc 41, and the positioning disc 41 is arranged on the front side of the measuring plate 1, the rotating rod 43 is connected with a locking nut 44 through threads to realize the locking function of the second limiting plate 4; the second limiting plate 4 is in contact with a positioning plate 45 to realize the positioning function, and the positioning plate 45 is vertically fixed on the measuring plate 1; the lower end of the extension plate 5 is symmetrically fixed with a butt joint rod 51, the butt joint rod 51 is in clamping connection with a butt joint hole 52 opened on the measuring plate 1, and the extension plate 5 is provided with the guide groove 22 on the side edge;

[0027] In use of the portable pipe diameter measuring device, as Figures 1-6As shown, at this time, the whole device is in an unfolded state, wherein the second limiting plate 4 is in contact with the positioning plate 45 and unfolded and perpendicular to the measuring plate 1, wherein the first limiting plate 3 is in parallel with the second limiting plate 4, and the clamping pin 32 on the first limiting plate 3 is clamped with the clamping hole 24, so that the first limiting plate 3 is in parallel with the second limiting plate 4, and when measuring the diameter of the circular pipe, the circular pipe is placed between the first limiting plate 3 and the second limiting plate 4, at this time, the lower end of the circular pipe is in contact with the second limiting plate 4, and the sliding guide action between the guide rail 21 and the guide groove 22 can adjust the position of the first limiting plate 3 until the first limiting plate 3 is in contact with the upper end surface of the circular pipe, at this time, the locking bolt and the sliding block 2 are locked, and the scale reading on the measuring plate 1 can be determined to determine the diameter of the circular pipe, and in the actual measurement process, when the diameter of the circular pipe is large, the length of the measuring plate 1 is difficult to meet the measurement requirement, the butt joint rod 51 is clamped with the butt joint hole 52, the splicing of the measuring plate 1 and the extension plate 5 can be realized, so as to meet the measurement of circular pipes with different diameters, after the use of the device, the butt joint rod 51 is separated from the butt joint hole 52, the extension plate 5 can be disassembled, the clamping pin 32 is separated from the clamping hole 24, the first limiting plate 3 can be disassembled, the positioning column 31 is clamped with the positioning hole 23, the first limiting plate 3 can be stored, and the second limiting plate 4 is unlocked through the action of the rotating rod 43 and the locking nut 44, the second limiting plate 4 is stored by rotating to the vertical state, so as to facilitate the carrying of the device, which is the working principle of the portable circular pipe diameter measuring device.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A portable pipe diameter measuring device comprising a measuring plate (1) and an extension plate (5), the measuring plate (1) and the extension plate (5) being connected to each other, characterized in that: The measuring plate (1) is slidably connected with a sliding block (2) outside, the sliding block (2) is connected with a first limiting plate (3), and the rear surface of the measuring plate (1) is connected with a rotatable second limiting plate (4).

2. A portable pipe diameter measuring device according to claim 1, characterised in that: The outer side of the sliding block (2) is provided with a fastening bolt, the sliding block (2) can be locked with the measuring plate (1) through the fastening bolt, and the sliding block (2) is of a "U" type structure.

3. A portable pipe diameter measuring device according to claim 2, wherein: The sliding block (2) is fixed with a guide rail (21), the guide rail (21) is in the same height with the sliding block (2), and the guide rail (21) is in sliding connection with a guide groove (22) formed on the measuring plate (1).

4. A portable pipe diameter measuring device according to claim 2, wherein: The upper end surface of the sliding block (2) is symmetrically provided with a positioning hole (23), and the right side of the sliding block (2) is symmetrically provided with a clamping hole (24).

5. The portable pipe diameter measuring device of claim 1, wherein: The lower end surface of the first limiting plate (3) is symmetrically fixed with a positioning column (31), the positioning column (31) is in clamping connection with the positioning hole (23), the left end surface of the first limiting plate (3) is symmetrically fixed with a clamping pin (32), and the clamping pin (32) is in clamping connection with the clamping hole (24).

6. A portable pipe diameter measuring device according to claim 1, wherein: The lower end of the second limiting plate (4) is connected with a rotating rod (43), the rotating rod (43) penetrates through a rotating groove (42) formed on the measuring plate (1), the rotating rod (43) is further fixed with a positioning disc (41), the positioning disc (41) is arranged on the front side of the measuring plate (1), and the rotating rod (43) is connected with a locking nut (44) through threads to realize the locking effect of the second limiting plate (4).

7. A portable pipe diameter measuring device according to claim 6, wherein: The second limiting plate (4) is in contact with a positioning plate (45) to realize the positioning effect, and the positioning plate (45) is vertically fixed on the measuring plate (1).

8. The portable pipe diameter measuring device of claim 1, wherein: The lower end of the extension plate (5) is symmetrically fixed with a butt joint rod (51), the butt joint rod (51) is in clamping connection with a butt joint hole (52) formed on the measuring plate (1), and the extension plate (5) is provided with a guide groove (22) on the side.

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