Search

CN-224230868-U - Screw thread plug gauge detaching mechanism and pitch diameter check-up equipment

CN224230868UCN 224230868 UCN224230868 UCN 224230868UCN-224230868-U

Abstract

The utility model relates to a screw thread plug gauge dismounting mechanism and pitch diameter checking equipment. It has solved the inconvenient technical problem of current screw thread plug gauge dismantlement. The screw thread plug gauge dismounting mechanism comprises a mounting sleeve, a detection shaft, a dismounting rod and a dismounting rod, wherein the mounting sleeve is of a cylindrical structure and is internally provided with a mounting hole which axially penetrates, strip-shaped openings which are axially arranged and are communicated with the mounting hole are symmetrically arranged on the outer walls of two sides of the mounting sleeve, one end, close to the strip-shaped openings, of the mounting hole is provided with a circumferential limiting inner wall, the detection shaft axially penetrates through the mounting sleeve, the extending end of the detection shaft is provided with a limiting section matched with the circumferential limiting inner wall, the end part of the limiting section is provided with a concave positioning groove and an arc-shaped concave surface which is communicated with the positioning groove, the dismounting rod radially penetrates through the strip-shaped openings along the mounting sleeve, two ends of the dismounting rod penetrate out of the mounting sleeve, the outer wall of the dismounting rod can slide tightly against the strip-shaped openings, and the outer wall of the dismounting rod can be axially connected with the arc-shaped concave surface. This screw thread plug gauge detaching mechanism improves detection axle and takes out efficiency and improves life.

Inventors

  • LU YONGCHAO
  • YU BINBIN
  • SHEN LI
  • ZHOU YAOZHONG
  • SHEN JUN

Assignees

  • 嘉兴市善正计量技术有限公司

Dates

Publication Date
20260512
Application Date
20250722

Claims (10)

  1. 1. A threaded plug gauge removal mechanism, comprising: The mounting sleeve (10) is of a cylindrical structure and internally provided with an axially penetrating mounting hole (11), strip-shaped openings (12) which are axially arranged and are communicated with the mounting hole (11) are symmetrically formed in the outer walls of two sides of the mounting sleeve (10), and one end, close to the strip-shaped openings, of the mounting hole (11) is provided with a circumferential limiting inner wall (13); The detection shaft (20) axially penetrates through the mounting sleeve (10), a limiting section (21) matched with the circumferential limiting inner wall (13) is arranged at the extending end of the detection shaft (20), and a concave positioning groove (22) and an arc-shaped concave surface (23) communicated with the positioning groove (22) are arranged at the end part of the limiting section (21); The disassembly rod (40) radially penetrates through the strip-shaped opening (12) along the installation sleeve (10) and penetrates out of the installation sleeve (10) at two ends, the outer wall of the disassembly rod (40) can be tightly clung to the strip-shaped opening (12) to slide, and the outer wall of the disassembly rod (40) can be axially connected to the arc-shaped concave surface (23).
  2. 2. A screw plug gauge dismounting mechanism according to claim 1, characterized in that the outer diameter of the circumferentially limiting inner wall (13) is smaller than the inner diameter of the mounting hole (11).
  3. 3. Screw plug gauge dismounting mechanism according to claim 2, characterized in that the circumferential limiting inner wall (13) is of polygonal structure, and that the limiting section (21) is fitted to the circumferential limiting inner wall (13).
  4. 4. A screw plug gauge dismounting mechanism according to claim 2 or 3, characterized in that the circumferential limiting inner wall (13) is provided with a limiting groove (14), and the outer wall of the limiting section (21) is provided with a limiting protrusion (24) which can pass through the limiting groove (14).
  5. 5. The screw thread plug gauge dismounting mechanism as claimed in claim 1, wherein the inner diameter of the strip-shaped opening (12) is in a stepped structure, and the dismounting rod (40) is slidably arranged on a wide diameter section of the strip-shaped opening (12).
  6. 6. The screw plug gauge dismounting mechanism according to claim 5, wherein the limiting section (21) is further provided with a positioning pin (50) passing through the small diameter section of the strip-shaped port (12) and the limiting section (21) in sequence.
  7. 7. A screw plug gauge dismounting mechanism according to claim 1, characterized in that the circumferential outer wall of the mounting sleeve (10) is provided with a radially protruding stop shoulder (15).
  8. 8. A screw plug gauge dismounting mechanism according to claim 7, characterized in that the circumferential outer wall of the mounting sleeve (10) has a polygonal structure.
  9. 9. The screw thread plug gauge dismounting mechanism as claimed in claim 8, wherein the two ends of the dismounting rod (40) are sleeved with flexible pads (30) attached to the outer wall of the mounting sleeve (10).
  10. 10. A pitch diameter verification apparatus having a threaded plug gauge removal mechanism as defined in any one of claims 1 to 9.

Description

Screw thread plug gauge detaching mechanism and pitch diameter check-up equipment Technical Field The utility model belongs to the field of threaded plug gauges, and relates to a threaded plug gauge dismounting mechanism and pitch diameter checking equipment. Background For example, chinese patent literature discloses a double handle calibration screw thread plug gauge [202122034156.X ] for screw thread measurement, including screw thread plug gauge body, the mounting groove has been seted up to screw thread plug gauge body's both sides, two the inside of mounting groove all is equipped with the handle, screw thread plug gauge body's both ends are equipped with the dead lever, screw thread plug gauge body's both ends insert be equipped with dead lever fixed mounting's ejection mechanism. The technical scheme has the defects that the alignment efficiency of the fixing rod and the ejection mechanism is low during disassembly and assembly, the material clamping and taking-out efficiency is low easily under the condition of close-fitting structure, the ejection mechanism is a vulnerable part, the force application reliability is low, and the ejection mechanism is easy to damage and lose efficacy and is difficult to replace after long-term use. Disclosure of utility model The utility model aims to solve the problems in the prior art and provides a screw thread plug gauge dismounting mechanism and pitch diameter checking equipment. The aim of the utility model can be achieved by the following technical scheme: The screw thread plug gauge detaching mechanism includes: The mounting sleeve is of a cylindrical structure and internally provided with an axially penetrating mounting hole, strip-shaped openings which are axially arranged and communicated with the mounting holes are symmetrically arranged on the outer walls of the two sides of the mounting sleeve, and one end, close to the strip-shaped holes, of the mounting holes is provided with a circumferential limiting inner wall; The detection shaft axially penetrates through the mounting sleeve, a limiting section matched with the circumferential limiting inner wall is arranged at the extending end of the detection shaft, and a concave positioning groove and an arc-shaped concave surface communicated with the positioning groove are formed in the end part of the limiting section; The disassembly rod radially penetrates through the strip-shaped opening along the installation sleeve, the two ends of the disassembly rod penetrate out of the installation sleeve, the outer wall of the disassembly rod can be clung to the strip-shaped opening to slide, and the outer wall of the disassembly rod can be axially connected to the arc-shaped concave surface. Further, an outer diameter of the circumferentially limiting inner wall is smaller than an inner diameter of the mounting hole. Further, the circumferential limiting inner wall is of a polygonal structure, and the limiting section is attached to the circumferential limiting inner wall. Further, the circumferential limiting inner wall is provided with a limiting groove, and the outer wall of the limiting section is provided with a limiting convex part capable of passing through the limiting groove. Further, the inner diameter of the strip-shaped opening is in a step structure, and the disassembly rod is arranged on the wide diameter section of the strip-shaped opening in a sliding manner. Further, the limiting section is also provided with a small-diameter section and a locating pin of the limiting section, which sequentially penetrate through the strip-shaped opening. Further, a radially protruding limiting shoulder is arranged on the circumferential outer wall of the mounting sleeve. Further, the circumferential outer wall of the mounting sleeve is of a polygonal structure. Further, flexible pads attached to the outer wall of the mounting sleeve are sleeved at two ends of the dismounting rod. The utility model also provides pitch diameter checking equipment which is provided with the screw thread plug gauge dismounting mechanism. Compared with the prior art, the screw thread plug gauge dismounting mechanism has the advantages that the structure of the detection shaft and the mounting sleeve is compact and reliable, meanwhile, the internal pushing and external pulling mode is adopted to apply force to the two ends of the detection shaft, the force application precision is high, the detection shaft is not easy to deviate and damage, the extraction efficiency of the detection shaft is improved, the mounting sleeve and the detection shaft are prevented from loosening after long-term use, and the service life is prolonged. Drawings Fig. 1 is a schematic diagram of a screw plug gauge dismounting mechanism provided by the utility model. Fig. 2 is a schematic axial cross-section of the threaded plug gauge removal mechanism of fig. 1. Fig. 3 is a schematic plan view of the screw plug gauge removing mechanism of fig. 1. Fig. 4 is a s