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CN-224216012-U - Quick measuring device of pipe fitting internal diameter

CN224216012UCN 224216012 UCN224216012 UCN 224216012UCN-224216012-U

Abstract

The utility model relates to the technical field of measuring scales and discloses a device for rapidly measuring the inner diameter of a pipe fitting, which comprises a first measuring rod, a supplementing rod and a second measuring rod, wherein the upper end of the first measuring rod is fixedly connected with a first connecting head, the lower end of the supplementing rod is provided with a screw groove and is in threaded connection with the first connecting head, the upper end of the supplementing rod is fixedly connected with a second connecting head, and the lower end of the second measuring rod is provided with a connecting groove and is in threaded connection with the second connecting head or the first connecting head. Set up detachable supplementary pole between first measuring stick and second measuring stick, adopt threaded connection mode to realize measuring device overall length's nimble adjustment, can adapt to the pipe fitting internal diameter measurement demand of different degree of depth and specification, simultaneously, through the series drive structure of first transmission shaft and second transmission shaft, the cooperation shifting block is driven from the outside for the dipperstick can be locked after measuring, is convenient for take out the reading in the pipe fitting with whole device when unable head-up dipperstick, has effectively improved measurement efficiency and operating convenience.

Inventors

  • LI HONGCHENG
  • ZHOU ZHANHU
  • ZHANG QIGANG
  • SUN CHANGHONG
  • MA ZHONGTAO

Assignees

  • 辽宁爱维尔金属成型科技股份有限公司

Dates

Publication Date
20260508
Application Date
20260414

Claims (7)

  1. 1. The quick measuring device for the inner diameter of the pipe fitting is characterized by comprising a first measuring rod (1), a supplementing rod (2) and a second measuring rod (3), wherein the upper end of the first measuring rod (1) is fixedly connected with a first connecting head (10), the lower end of the supplementing rod (2) is provided with a spiral groove (11) and is in threaded connection with the first connecting head (10), the upper end of the supplementing rod (2) is fixedly connected with a second connecting head (12), the lower end of the second measuring rod (3) is provided with a connecting groove (13) and is in threaded connection with the second connecting head (12) or the first connecting head (10), the first measuring rod (1) and the supplementing rod (2) are respectively and movably connected with a first transmission shaft (5), the second measuring rod (3) is internally and movably connected with a second transmission shaft (6), a measuring ruler (7) is also connected in the second measuring rod (3) in a penetrating manner, and the measuring ruler (7) is also sleeved on the outer side of the second transmission shaft (6).
  2. 2. The device for rapidly measuring the inner diameter of the pipe fitting according to claim 1 is characterized in that a plurality of mounting sleeves (14) are fixedly connected to the first measuring rod (1), the supplementing rod (2) and the second measuring rod (3) respectively, and a shaft bracket (15) is fixedly connected to the mounting sleeves (14).
  3. 3. The device for rapidly measuring the inner diameter of a pipe fitting according to claim 2, wherein a plurality of positioning rotating grooves (18) are formed in the outer side of the first transmission shaft (5), a plurality of positioning rotating grooves (18) are formed in the outer side of the second transmission shaft (6), and the positioning rotating grooves (18) are rotationally connected with corresponding shaft brackets (15).
  4. 4. A pipe fitting inner diameter rapid measuring device is characterized in that a first connecting block (16) is fixedly connected to the lower end of a first transmission shaft (5), the transverse section of the first connecting block (16) is polygonal, a connecting groove (17) matched with the first connecting block (16) is formed in the upper end of the first transmission shaft (5), a second connecting block (19) matched with the connecting groove (17) is fixedly connected to the lower end of a second transmission shaft (6), and the first connecting block (16) and the second connecting block (19) are respectively connected with the corresponding connecting groove (17) in an inserting mode.
  5. 5. The device for rapidly measuring the inner diameter of the pipe fitting according to claim 1, wherein a shifting block (4) is respectively arranged on the outer sides of the first transmission shaft (5) and the second transmission shaft (6), one side of the shifting block (4) is fixedly connected with a connecting block (22), the connecting block (22) is fixedly connected on one side of the first transmission shaft (5) or the second transmission shaft (6) through a screw, and one side, far away from the connecting block (22), of the shifting block (4) extends to the outer sides of the first measuring rod (1), the supplementing rod (2) or the second measuring rod (3).
  6. 6. The device for rapidly measuring the inner diameter of a pipe fitting according to claim 5, wherein two tooth blocks (20) are symmetrically and fixedly connected to the outer side of the second transmission shaft (6).
  7. 7. The device for rapidly measuring the inner diameter of the pipe fitting according to claim 6, wherein a slide way (8) is arranged in the measuring ruler (7), tooth grooves (9) are symmetrically arranged on two sides in the slide way (8), a shaft bracket (15) positioned in the second measuring rod (3) also penetrates through the slide way (8), a compression spring (21) is sleeved outside the second transmission shaft (6), the upper end of the compression spring (21) is abutted to the lower end of the measuring ruler (7), the lower end of the compression spring (21) is abutted to a shifting block (4) outside the second transmission shaft (6), and the tooth block (20) is close to one side of the tooth groove (9) through the second transmission shaft (6).

Description

Quick measuring device of pipe fitting internal diameter Technical Field The utility model relates to the technical field of measuring scales, in particular to a device for rapidly measuring the inner diameter of a pipe fitting. Background The inner diameter detection of the pipe fitting is to measure the aperture of the inner wall of the tubular part such as a pipeline and a sleeve, and the index is related to whether the parts can be mutually assembled and whether the sealing performance meets the standard or not, so that a plurality of manufacturing links can be checked; When detecting the inner diameter of a pipe fitting, most of the inner diameters are measured by adopting contact type measuring tools such as vernier calipers, inner diameter micrometers and the like, such as Chinese patent utility model published by the prior publication number CN 222617814U: the utility model provides a pipeline inside diameter measuring tool, this application includes the main scale, the one end of main scale is provided with the depth gauge, the other end bottom of main scale is provided with the external diameter measuring claw, the other end top fixedly connected with internal diameter measuring fixed jaw of main scale, unscrew fastening screw through screwing, utilize under reset spring's resilience characteristic, can remove the internal diameter measuring movable jaw on the sliding block, and then can measure the internal diameter of pipeline, the effect of measuring pipeline inside diameter has been reached, this current scheme is although can detect the internal diameter of pipeline, when detecting the pipeline that has the bellmouth inside cross-section, because the bellmouth inside cross-section is gradual change, from the port to narrowing slowly, fixed jaw and movable jaw can only contact opening edge position, in addition, just can't detect to the depths again, adopt current general measuring tool to be spiral inside diameter micrometer, continuous rotation during the measurement, it is time consuming and laborious, and standard specification is inflexible to actual production. Disclosure of utility model The utility model aims to provide a device for rapidly measuring the inner diameter of a pipe fitting, which realizes flexible adjustment of the measurement length by arranging a threaded connection structure of a first measurement rod, a supplementary rod and a second measurement rod, adopts a transmission shaft to drive a measurement ruler to stretch and retract and is matched with meshing locking of a tooth block and a tooth slot, can rapidly and accurately measure the inner diameter of the pipe fitting, and can effectively solve the problems in the background technology. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a quick measuring device of pipe fitting internal diameter, includes first measuring stick, supplementary pole and second measuring stick, first measuring stick upper end fixedly connected with first connector, the helicla flute has been seted up to supplementary pole lower extreme and with first connector threaded connection, supplementary pole upper end fixedly connected with second connector, the spread groove has been seted up to second measuring stick lower extreme and with second connector or first connector threaded connection, swing joint has first transmission shaft in first measuring stick and the supplementary pole respectively, swing joint has the second transmission shaft in the second measuring stick, still alternate in the second measuring stick to be connected with the dipperstick, just the dipperstick still overlaps the second transmission shaft outside. As a further preferable scheme of the utility model, a plurality of mounting sleeves are respectively and fixedly connected in the first measuring rod, the supplementing rod and the second measuring rod, a shaft bracket is fixedly connected in the mounting sleeves, the mounting sleeves are inserted into the first measuring rod, the supplementing rod or the second measuring rod and then fixed through screws, and the shaft bracket is used for providing mounting and rotation support for the first transmission shaft or the second transmission shaft. As a further preferable scheme of the utility model, a plurality of positioning rotating grooves are formed in the outer side of the first transmission shaft, a plurality of positioning rotating grooves are formed in the outer side of the second transmission shaft, and the positioning rotating grooves are in rotary connection with the corresponding shaft brackets. As a further preferable scheme of the utility model, the lower end of the first transmission shaft is fixedly connected with a first connecting block, the transverse section of the first connecting block is polygonal, the upper end of the first transmission shaft is provided with a connecting groove matched with the first connecting blo