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CN-115752930-B - Helium leak detection box chamber protection pipeline assembly with strong sealing and shielding performance

CN115752930BCN 115752930 BCN115752930 BCN 115752930BCN-115752930-B

Abstract

The invention discloses a helium leak detection chamber protection pipeline component with strong sealing and shielding performances, and relates to the technical field of helium leak detection chamber pipeline components. The helium leakage detection box chamber protection pipeline assembly with the high sealing and shielding performance comprises a mounting seat, wherein a mounting hole is formed in the surface of the mounting seat, a limiting groove is formed in the surface of the mounting seat, and a pressing assembly is arranged in the limiting groove. This helium leak detection case room protection pipeline subassembly that sealing and shielding performance are strong runs through the wall body between shield room and the shield room operation room with the shield pipe, then fix the mount pad through wall nail and mounting hole respectively with the wall body surface between operation room and shield room to reach quick installation's effect, the rethread rotates the threaded rod and makes its screw hole precession along positioning nut, simultaneously the slider also can move along the outside of threaded rod, along with the precession of threaded rod slider can take connecting block and clamping ring to carry out the centre gripping fixed to the spool this moment.

Inventors

  • RAN ZHENWEI
  • LI CHANGJIE
  • HONG RONGFENG
  • CAO DAYANG
  • WANG HAO
  • YANG XIAO

Assignees

  • 湖北华尔升智能装备有限公司

Dates

Publication Date
20260508
Application Date
20221019

Claims (10)

  1. 1. The helium leak detection box chamber protection pipeline assembly with high sealing and shielding performance comprises an installation seat (1) and is characterized in that an installation hole (2) is formed in the surface of the installation seat (1), a limit groove (6) is formed in the surface of the installation seat (1), a pressing assembly is arranged in the limit groove (6) and used for fixedly clamping a pipeline, and a supporting seat (5) is arranged on the surface of the installation seat (1); The middle part of mount pad (1) is provided with seal assembly, the middle part of supporting seat (5) is provided with compression subassembly, compression subassembly is used for extruding inside gas and cooperates the use with seal assembly, realizes the sealed effect of bobbin, one side fixed surface of mount pad (1) installs shielding assembly, shielding assembly is used for shielding the radiation that the bobbin produced.
  2. 2. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 1, wherein the pressing assembly comprises a compression ring (3), a connecting block (4), a sliding block (18), a threaded rod (16) and a positioning nut (17), wherein the sliding block (18) is movably mounted on the inner wall of a limiting groove (6), the threaded rod (16) is movably mounted on the inner wall of the sliding block (18), the connecting block (4) is fixedly mounted on the top surface of the sliding block (18), the positioning nut (17) is fixedly mounted on the outer side of a mounting seat (1), and the compression ring (3) is fixedly mounted on the inner side surface of the connecting block (4).
  3. 3. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 2, wherein one end of the sliding block (18) is provided with a threaded hole, and the threads on the outer side of the threaded rod (16) are in threaded connection with the thread grooves formed in the side wall of the threaded hole in the middle of the sliding block (18).
  4. 4. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 1, wherein the sealing assembly comprises a sealing ring (7) and a gas storage cavity (19), the gas storage cavity (19) is formed in the middle of the mounting seat (1), the sealing ring (7) is fixedly mounted on the inner side wall of the mounting seat (1), and gas guide holes are formed in the surface of the mounting seat (1) and are communicated with the gas storage cavity (19).
  5. 5. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 4, wherein the sealing ring (7) is circular in shape, and the sealing ring (7) is made of rubber materials with good contractility.
  6. 6. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 1, wherein the compression assembly comprises a compression cylinder (12), a compression cavity (11) and a positioning spring (13), the compression cylinder (12) is fixedly arranged on the inner wall of the supporting seat (5), the compression cavity (11) is arranged in the middle of the compression cylinder (12), and the positioning spring (13) is fixedly arranged on the inner top wall of the compression cavity (11).
  7. 7. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 6, wherein the compression assembly further comprises a piston (15), a connecting column (14) and a towing ring (9), the piston (15) is movably mounted on the inner wall of the compression cavity (11), the connecting column (14) is fixedly mounted on the top of the piston (15), and the towing ring (9) is fixedly mounted on the top of the connecting column (14).
  8. 8. A helium leak detection chamber protection pipeline assembly with strong sealing and shielding performance according to claim 7, wherein the size of the positioning spring (13) is smaller than that of the compression cylinder (12), the other end of the positioning spring (13) is fixedly connected with the top surface of the piston (15), and the initial state of the piston (15) is in an original length state.
  9. 9. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 1, wherein the shielding assembly comprises a shielding pipe (20), a copper ring (22) and a shielding ring (23), the shielding pipe (20) is fixedly arranged on one side surface of the mounting seat (1), the copper ring (22) is inserted into the inner side wall of the shielding pipe (20), and the shielding ring (23) is inserted into the inner side wall of the copper ring (22).
  10. 10. The helium leak detection chamber protection pipeline assembly with high sealing and shielding performance according to claim 9, wherein the shielding assembly further comprises a cannula (8) and a jack (21), the cannula (8) is inserted into the inner side wall of the shielding ring (23), and the jack (21) is arranged in the middle of the cannula (8).

Description

Helium leak detection box chamber protection pipeline assembly with strong sealing and shielding performance Technical Field The invention relates to the technical field of helium detection chamber pipeline components, in particular to a helium detection chamber protection pipeline component with strong sealing and shielding performances. Background Helium mass spectrometer leak detectors are conventional analytical equipment and are widely used at home and abroad, such as in the power industry, the vacuum industry, the nuclear industry, the refrigeration industry and the like, helium mass spectrometer leak detectors are special leak detectors which use helium as leakage gas, are the most common leak detectors used in vacuum leak detection technology, and generally separate helium detection equipment from an operation room for detection when vacuum helium detection is carried out on an object, so that pipelines on the helium detection equipment are required to be connected in a penetrating manner through a protection component. At present, when helium is detected on articles, helium leakage detection is usually carried out in a shielding chamber, then instruments are controlled through an operation room of the shielding chamber, and as the thickness of partition walls of rooms on two sides is larger, a pipeline protection assembly is required to be installed in the middle of a wall body to realize connection between the instruments and an operation desk, however, the sealing performance of the traditional line pipe assembly is poor, the installation is inconvenient, and the line pipe assembly does not have a radiation shielding function, so that the line pipe assembly can cause physical damage to personnel operating for a long time. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides the helium leak detection box chamber protection pipeline component with strong sealing and shielding performances, and solves the problems of poor sealing performance, complicated installation and no shielding function of the traditional pipeline component. (II) technical scheme The helium leakage detection box chamber protection pipeline component with strong sealing and shielding performance comprises a mounting seat, wherein a mounting hole is formed in the surface of the mounting seat, a limit groove is formed in the surface of the mounting seat, a pressing component is arranged in the limit groove and is mainly used for fixedly clamping a pipeline, and a supporting seat is arranged on the surface of the mounting seat; The middle part of mount pad is provided with seal assembly, the middle part of supporting seat is provided with compression assembly, compression assembly mainly used extrudees inside gas and uses with seal assembly cooperation, realizes the sealed effect of bobbin, one side fixed surface of mount pad installs shielding assembly, shielding assembly mainly used shields the radiation that the bobbin produced. Further, support and press the subassembly including clamping ring, connecting block, slider, threaded rod, positioning nut, slider movable mounting is at the inner wall of spacing groove, threaded rod movable mounting is at the inner wall of slider, connecting block fixed mounting is at the top surface of slider, positioning nut fixed mounting is in the outside of mount pad, clamping ring fixed mounting is at the inboard surface of connecting block. Further, a threaded hole is formed in one end of the sliding block, and threads on the outer side of the threaded rod are in threaded connection with a threaded groove formed in the side wall of the threaded hole in the middle of the sliding block. Further, the sealing assembly comprises a sealing ring and a gas storage cavity, the gas storage cavity is formed in the middle of the mounting seat, the sealing ring is fixedly mounted on the inner side wall of the mounting seat, and the surface of the mounting seat is provided with a gas guide hole which is communicated with the gas storage cavity. Furthermore, the shape of the sealing ring is round, and the sealing ring is made of rubber materials with good contractility. Further, the compression assembly comprises a compression cylinder, a compression cavity and a positioning spring, wherein the compression cylinder is fixedly arranged on the inner wall of the supporting seat, the compression cavity is formed in the middle of the compression cylinder, and the positioning spring is fixedly arranged on the inner top wall of the compression cavity. Further, the compression assembly further comprises a piston, a connecting column and a towing ring, wherein the piston is movably arranged on the inner wall of the compression cavity, the connecting column is fixedly arranged at the top of the piston, and the towing ring is fixedly arranged at the top of the connecting column. Further, the size of the positioning spring is smaller than that of the