Search

CN-224230950-U - Measuring device suitable for inner hole of thin-wall part

CN224230950UCN 224230950 UCN224230950 UCN 224230950UCN-224230950-U

Abstract

The utility model discloses a measuring device suitable for an inner hole of a thin-wall part, and relates to the field of part measurement. The device includes pneumatic measuring instrument, and pneumatic measuring instrument includes measuring apparatu main part, gas transmission adapter, measuring head and buckle formula fastening grab handle, and measuring apparatu main part front end fixedly connected with is connected with the trachea, and the measuring apparatu main part is used for feeding back the error data of part, and gas transmission adapter fixed connection is on connecting tracheal other end, and gas transmission adapter activity joint is on the measuring head, and the measuring head is used for measuring the error of part, and buckle formula fastening grab handle activity joint is on the measuring head, and the gas transmission adapter is fixed on the measuring head top through buckle formula fastening grab handle. The device is when fixed measuring instrument main part and not unidimensional measuring head, only needs to place the gas-supply adapter on the measuring head earlier, and then buckle formula fastening grab handle joint is on the measuring head, fixes the gas-supply adapter simultaneously, and the installation is dismantled conveniently, and is fixed firm, does not need to dismantle at equipment and installs extravagant too much time.

Inventors

  • XU YUGANG
  • WANG YABING

Assignees

  • 洛阳领冠测控设备有限公司

Dates

Publication Date
20260512
Application Date
20250717

Claims (6)

  1. 1. Measuring device suitable for thin wall part hole, including pneumatic measuring instrument (1), its characterized in that, pneumatic measuring instrument (1) includes: The measuring instrument comprises a measuring instrument main body (11), wherein the front end of the measuring instrument main body (11) is fixedly connected with a connecting air pipe (111), and the measuring instrument main body (11) is used for feeding back error data of a part; the gas transmission adapter (14), the gas transmission adapter (14) is fixedly connected with the other end of the connecting gas pipe (111); The measuring head (13), the said gas-supply adapter (14) is movably clamped on measuring head (13), the said measuring head (13) is used for measuring the error of the part; the fastening device comprises a fastening buckle handle (12), wherein the fastening buckle handle (12) is movably clamped on a measuring head (13), and the gas transmission adapter (14) is fixed at the top end of the measuring head (13) through the fastening buckle handle (12).
  2. 2. Measuring device suitable for the internal bore of thin-walled parts according to claim 1, characterized in that the snap-in fastening grip (12) is internally provided with: The clamping cavity (121), the clamping cavity (121) is arranged at the bottom end of the clamping fastening grab handle (12), and the gas transmission adapter (14) is inserted into the clamping cavity (121); The fixing groove (122) is formed in one side of the clamping cavity (121), and one end of the gas transmission adapter (14) is movably clamped in the fixing groove (122); The clamping block (124) is slidably connected in the clamping buckle type fastening grab handle (12), and the clamping block (124) is movably clamped in the measuring head (13).
  3. 3. The measuring device for the inner hole of the thin-wall part according to claim 1, wherein an air pipe fixing hole (141) is formed in the air pipe adapter (14), the air pipe fixing hole (141) is connected with the connecting air pipe (111), a connecting circular groove (142) is further formed in the air pipe adapter (14), and a limiting short column (143) is fixedly connected to the top end of the air pipe adapter (14).
  4. 4. Measuring device suitable for the internal bore of thin-walled parts according to claim 2, characterized in that the measuring head (13) comprises: the gas outlet measuring hole (131) is formed in the front end of the measuring head (13), and the gas outlet measuring hole (131) is used for measuring gas outlet; The clamping groove (132), clamping groove (132) is offered on measuring head (13) top, fixture block (124) activity joint is in clamping groove (132).
  5. 5. A measuring device suitable for the internal bore of thin-walled parts according to claim 3, characterized in that the measuring head (13) further comprises: The gas transmission clamping connector (133), the gas transmission clamping connector (133) is fixedly connected to the top end of the measuring head (13), and the gas transmission adapter (14) is movably clamped on the gas transmission clamping connector (133); The limiting hole (134), limiting hole (134) is offered on gas transmission joint (133), spacing short column (143) activity joint is in limiting hole (134).
  6. 6. The measuring device for the inner bore of the thin-walled part according to claim 4, characterized in that the snap-in fastening handle (12) is further provided with: The side sliding cavity (123) is formed at two ends of the buckle type fastening grab handle (12), and the clamping block (124) is connected in the side sliding cavity (123) in a sliding mode; the pressing rod (125), the pressing rod (125) is fixedly connected to the outer end of the clamping block (124), and the pressing rod (125) is used for pressing the clamping block (124) to slide; One end of the spring (126) is fixedly connected to the inner wall of the side sliding cavity (123), one end of the spring (126) is fixedly connected to the clamping block (124), and the spring (126) is used for driving the clamping block (124) to reset; The limiting clamping block (127), limiting clamping block (127) is fixedly connected to the bottom end of the clamping block (124), and the limiting clamping block (127) is movably clamped in the clamping groove (132).

Description

Measuring device suitable for inner hole of thin-wall part Technical Field The utility model relates to the technical field of part measurement, in particular to a measuring device suitable for an inner hole of a thin-wall part. Background The pneumatic measuring instrument is a high-precision non-contact measuring device based on hydrostatic and dynamic principles, and the core principle is that the size change of the measured workpiece, such as the inner hole of a thin-wall part, is converted into the change of compressed air flow or pressure, and the measured value is visually displayed through a buoy type glass tube or an electron column light column. The device mainly comprises a measuring instrument body and a customized pneumatic measuring head, wherein key components comprise a precise pressure reducing valve, a nozzle hole, an exhaust groove measuring head, a pressure transmitter and a singlechip control system, and a tolerance range is set by using a calibration ring gauge through a comparison measuring method so as to realize micrometer precision detection. The non-contact characteristic of the device effectively avoids deformation or surface scratch of the thin-wall part caused by measuring force, and is particularly suitable for high-precision mass production scenes such as automobile parts, compressor cylinders and the like. The conventional pneumatic measuring instrument generally passes through the air pipe from the grip, contacts the measuring head from the bottom, then connects the measuring head with the air pipe, and finally spirally fixes the grip on the measuring head for use, so that the use is complicated, the preparation procedures are too many, and the maintenance and the disassembly are troublesome. In view of the above, the present utility model provides a measuring device suitable for an inner hole of a thin-walled part to solve the above problems. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a measuring device suitable for an inner hole of a thin-wall part, which solves the problems that the prior pneumatic measuring instrument generally passes an air pipe through a handle, contacts a measuring head from the bottom, then connects the measuring head with the air pipe, and finally fixes the handle on the measuring head in a spiral manner for use, so that the use is complicated, the preparation procedures are too many, and the maintenance and the disassembly are troublesome. The measuring device suitable for the inner hole of the thin-wall part comprises a pneumatic measuring instrument, wherein the pneumatic measuring instrument comprises a measuring instrument main body, a gas transmission adapter, a measuring head and a fastening buckle handle, the front end of the measuring instrument main body is fixedly connected with a connecting gas pipe, the measuring instrument main body is used for feeding back error data of the part, the gas transmission adapter is fixedly connected to the other end of the connecting gas pipe, the gas transmission adapter is movably clamped on the measuring head, the measuring head is used for measuring the error of the part, the fastening buckle handle is movably clamped on the measuring head, and the gas transmission adapter is fixed to the top end of the measuring head through the fastening buckle handle. Preferably, the clamping cavity, the fixing groove and the clamping block are arranged in the clamping type fastening grab handle, the clamping cavity is formed in the bottom end of the clamping type fastening grab handle, the gas transmission adapter is inserted in the clamping cavity, the fixing groove is formed in one side of the clamping cavity, one end of the gas transmission adapter is movably clamped in the fixing groove, the clamping block is slidably connected in the clamping type fastening grab handle, and the clamping block is movably clamped in the measuring head. Preferably, an air pipe fixing hole is formed in the air transmission adapter, the air pipe fixing hole is connected with a connecting air pipe, a connecting circular groove is further formed in the air transmission adapter, and the top end of the air transmission adapter is fixedly connected with a limiting short column. Preferably, the measuring head comprises an air outlet measuring hole and a clamping groove, the air outlet measuring hole is formed in the front end of the measuring head, the air outlet measuring hole is used for measuring air outlet, the clamping groove is formed in the top end of the measuring head, and the clamping block is movably clamped in the clamping groove. Preferably, the measuring head further comprises a gas transmission clamping connector and a limiting hole, the gas transmission clamping connector is fixedly connected to the top end of the measuring head, the gas transmission adapter is movably clamped on the gas transmission clamping connector, the limiting hole is formed in the gas transmissi