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Rubber sealing plug for airtight test

A rubber seal and airtight test technology, applied in fluid tightness test, machine/structural component test, liquid tightness measurement using liquid/vacuum degree, etc., can solve test failure, unqualified, rush out, etc. problem, to achieve the effect of simple structure

Inactive Publication Date: 2018-08-24
DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the radiators of general automobiles need to be tested for airtightness, that is, to inflate the inside of the radiator, keep the pressure for a period of time, and check whether the radiator is leaking; , it is necessary to block the nozzle of the water inlet pipe on the radiator and realize the ability to inflate. However, the existing sealing method uses a rubber plug to plug the water inlet pipe, and inserts an air inlet on the rubber plug. The trachea is sealed and can be used for air intake test; and the sealing structure of this structure can be used for testing with low air pressure. When the air pressure is high, the air pressure inside the radiator will easily push out the rubber plug, resulting in test failure.

Method used

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  • Rubber sealing plug for airtight test
  • Rubber sealing plug for airtight test
  • Rubber sealing plug for airtight test

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0016] Example: see Figures 1 to 3 As shown, a rubber sealing plug for airtight testing includes a vertical outer sleeve 1, the upper and lower ends of the outer sleeve 1 are formed with conical tensioning sleeves 11, and there are several grooves formed on the tensioning sleeve 11. Cutting groove 12, the cutting groove 12 divides the tensioning sleeve 11 into several circular arc pieces, the outer rubber sleeve 2 is inserted into the upper sleeve of the outer sleeve 1, and the upper and lower inner walls of the outer rubber sleeve 2 are pasted and fixed on the outer wall of the tensioning sleeve 11 , the tension sleeve 11 at the lower end of the outer sleeve 1 is inserted with a truncated conical lower platen 3, the middle of the lower platen 3 is formed with a vertical inner tube 31, and the upper end of the inner tube 31 passes through the truncated upper platen 4 An annular retaining ring 32 is formed, and a threaded connection seat 33 is formed on the upper end surface o...

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PUM

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Abstract

The invention discloses a rubber sealing plug for airtight test. The rubber sealing plug comprises a vertical outer sleeve pipe, conical tensioning sleeves are arranged at the upper end and the lowerend of the outer sleeve pipe, a plurality of cut grooves are arranged on each tensioning sleeve, the outer sleeve pipe is provided with an outer rubber sleeve in an inserted and sleeved manner, the upper inner wall and the lower inner wall of the outer rubber sleeve are pasted and fixed to the outer walls of the tensioning sleeves, the tensioning sleeve at the lower end of the outer sleeve pipe isinternally connected with a circular-truncated-cone-shaped downward pressing plate in an inserted manner, a vertical inner insert pipe is arranged at the middle of the downward pressing plate, the upper end of the inner insert pipe penetrates through a circular-truncated-cone-shaped upward pressing plate to be provided with a ring-shaped blocking ring, a threaded connection seat is arranged on the upper end surface of the blocking ring, the threaded connection seat is connected with an air pipe rapid connector in a screwed manner, the upward pressing plate presses against the inner wall of the tensioning sleeve at the upper end of the outer sleeve pipe, the part, on the upper side of the upward pressing plate, of the inner insert pipe is connected with a pressure spring in an inserted manner, two ends of the pressure spring press against the upward pressing plate and the blocking ring correspondingly, the inner insert pipe is fixedly provided with an inner rubber sleeve in an insertedand sleeved manner, and the outer wall of the inner rubber sleeve presses against the inner wall of the outer sleeve pipe. The rubber sealing plug for the airtight test can meet the airtight test ofa radiator under larger air pressure.

Description

Technical field: [0001] The invention relates to the technical field of rubber products, in particular to a rubber sealing plug for airtight testing. Background technique: [0002] At present, the radiators of general automobiles need to be tested for airtightness, that is, to inflate the inside of the radiator, keep the pressure for a period of time, and check whether the radiator is leaking; , it is necessary to block the nozzle of the water inlet pipe on the radiator and realize the ability to inflate. However, the existing sealing method uses a rubber plug to plug the water inlet pipe, and inserts an air inlet on the rubber plug. The trachea is sealed and can be used for air intake test; and the sealing structure of this structure can be used for testing with low air pressure. When the air pressure is high, the air pressure inside the radiator will easily push out the rubber plug, resulting in test failure. . Invention content: [0003] The purpose of the present inv...

Claims

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Application Information

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IPC IPC(8): F16L55/11G01M3/02
CPCF16L55/1141G01M3/022
Inventor 孙伟
Owner DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD
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