CN108254135A - For the helium mass spectrography leak detector of air cleaner leak detection - Google Patents

For the helium mass spectrography leak detector of air cleaner leak detection Download PDF

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Publication number
CN108254135A
CN108254135A CN201810256797.XA CN201810256797A CN108254135A CN 108254135 A CN108254135 A CN 108254135A CN 201810256797 A CN201810256797 A CN 201810256797A CN 108254135 A CN108254135 A CN 108254135A
Authority
CN
China
Prior art keywords
helium
mounting bracket
plate
seal closure
air cleaner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810256797.XA
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Chinese (zh)
Inventor
杨程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN YULONG HAOTIAN AUTOMOBILE FILTER Co Ltd
Original Assignee
TIANJIN YULONG HAOTIAN AUTOMOBILE FILTER Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN YULONG HAOTIAN AUTOMOBILE FILTER Co Ltd filed Critical TIANJIN YULONG HAOTIAN AUTOMOBILE FILTER Co Ltd
Priority to CN201810256797.XA priority Critical patent/CN108254135A/en
Publication of CN108254135A publication Critical patent/CN108254135A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/202Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The present invention relates to a kind of helium mass spectrography leak detectors for air cleaner leak detection.Including operating rack, mounting bracket is connected on the top plate of operation rack, external part lifting cylinder directed downwardly is connected at the top of mounting bracket, lifter plate is equipped with below top, the guide rod being slidably connected with mounting bracket is connected on lifter plate;The tailpiece of the piston rod of lifting cylinder is connected with connecting plate, and external part fine tuning cylinder directed downwardly is connected between connecting plate and lifter plate, and the tailpiece of the piston rod for finely tuning cylinder is connected with the opening down and interior helium seal closure equipped with sensor;On the top plate of operation rack, the seal disc being arranged right below with helium seal closure clearance fit of helium seal closure, further include the supply air line through seal disc, one end of supply air line is connected with helium gas source, the other end is communicated with air supply hose, and the inner cavity block head for offering central through hole is equipped in the end of air supply hose.The present invention is detected using dry type detection method, and detection efficiency is high and easy to operate.

Description

For the helium mass spectrography leak detector of air cleaner leak detection
Technical field
The invention belongs to filter production equipment technical field more particularly to a kind of helium matter for air cleaner leak detection Spectrometry leak detector
Background technology
Air cleaner is the important composition component of automobile, usually by square casing and the filter core structure positioned at enclosure interior Into.Air cleaner is used to filter the dust impurity contained in engine sucking air, to reduce cylinder, piston, piston ring, gas The premature wear of door and valve seating.The quality of the air-tightness of air-filtering adjuster is directly related to the quality of motor device, institute Air-leakage test with automobile filtering adjuster is a very important technical field.
Existing filter detection device into the water, is then filled with gas mainly by filter to be detected to its inner cavity Body simultaneously checks whether there is bubble generation in water, and such method not only needs manually, and upon completion of the assays, it is also necessary to by filtering Device is dried, and operating process is cumbersome;In addition, after water enters filter, the drying of short time can not be one surely so that filter It is interior it is water stain be completely dried, so as to influence to use.
Invention content
The present invention provides a kind of structure design advantages of simple, detection effect to solve technical problem present in known technology Rate height and the easy-operating helium mass spectrography leak detector for air cleaner leak detection.This instrument is examined using dry type detection method It surveys, avoids drying procedure.
The present invention is adopted the technical scheme that solve technical problem present in known technology:For air cleaner The helium mass spectrography leak detector of leak detection, it is affixed on the top plate of operation rack including the operation rack being made of shaped steel and metallic plate The mounting bracket for having section to be L-type is connected with external part lifting cylinder directed downwardly at the top of mounting bracket, is equipped with laterally below top The lifter plate of setting is connected with guide rod that is longitudinally disposed and being slidably connected with mounting bracket on lifter plate;The work of lifting cylinder Stopper rod is through the top of mounting bracket and is connected with the connecting plate laterally set, and external part is connected between connecting plate and lifter plate Fine tuning cylinder directed downwardly finely tunes the piston rod of cylinder through lifter plate and is connected with downward opening helium seal closure, in helium The inner wall of seal closure is equipped with the sensor for detection gas leakage;Operation rack top plate on, helium seal closure just Lower section is equipped with the seal disc with helium seal closure clearance fit, further includes the air supply pipe of the top plate and seal disc through operation rack Road, one end of supply air line is connected with helium gas source, the other end is communicated with air supply hose, is equipped with and opens up in the end of air supply hose There is the inner cavity block head of central through hole.
The advantages and positive effects of the present invention are:The present invention provides a kind of helium mass spectrographies for air cleaner leak detection Compared with prior art, the helium seal closure and seal disc and helium of the invention by setting clearance fit seals leak detector Sensor in cover can carry out part to be measured air-leakage test, and the part to be measured that Single port seals need to only be positioned over close by staff In closing disk, and by the another port of inner cavity block head insertion part to be measured, unlatching lifting cylinder makes its that helium seal closure be driven to decline To suitable position, and using finely tune cylinder to helium seal closure carry out position adjust until its reach clearance fit with seal disc, Then it is passed through helium into part to be measured, the sensor in helium seal closure can be detected the air-tightness of part to be measured.The present invention Avoid bubble method detection enters water process, saves baking operation, operating process is simple and detection efficiency is high.
Preferably:Linear bearing is equipped at the top of mounting bracket, guide rod is slidably connected by linear bearing and mounting bracket.
Preferably:Guide rod is at least two groups, is symmetrically arranged at the both sides of lifting cylinder.
Preferably:Inner cavity block head uses rubber material, and sealing ring is equipped on its periphery wall.
Preferably:Multigroup castor is connected in the bottom of operation rack.
Description of the drawings
Fig. 1 is the main view broken section structure diagram of the present invention.
In figure:1st, castor;2nd, rack is operated;3rd, supply air line;4th, seal disc;5th, air supply hose;6th, inner cavity block head;7、 Mounting bracket;8th, helium seal closure;9th, sensor;10th, lifter plate;11st, cylinder is finely tuned;12nd, connecting plate;13rd, linear bearing;14、 Guide rod;15th, lifting cylinder.
Specific embodiment
In order to further understand the content, features and effects of the present invention, hereby lifting following embodiment, detailed description are as follows:
Refer to Fig. 1, the helium mass spectrography leak detector for air cleaner leak detection of the invention, including by shaped steel and metal The operation rack 2 that plate is formed, in the present invention, in order to enhance the flexibility of detecting instrument overall movement, at the bottom of operation rack 2 Portion is equipped with multigroup castor 1.The mounting bracket 7 that section is L-type is connected on the top plate of operation rack 2, at the top of mounting bracket 7 It is connected with external part lifting cylinder 15 directed downwardly, top lower section is equipped with the lifter plate 10 laterally set.It is affixed on lifter plate 10 There are at least two groups longitudinally disposed guide rods 14, and guide rod 14 is symmetricly set on 15 both sides of lifting cylinder;On the top of mounting bracket 7 Portion is equipped with passes through linear bearing 13 and mounting bracket 7 with the corresponding linear bearing 13 of 14 quantity of guide rod and position, guide rod 14 It is slidably connected.The piston rod of lifting cylinder 15 is through the top of mounting bracket 7 and is connected with the connecting plate 12 laterally set, is connecting External part fine tuning cylinder 11 directed downwardly is connected between plate 12 and lifter plate 10, finely tunes the cylinder barrel both ends of cylinder 11 respectively with connecting 10 Joint of plate 12 and lifter plate;The piston rod of fine tuning cylinder 11 is through lifter plate 10 and is removably connected with downward opening helium Airtight sealing cover 8 is equipped with the sensor 9 for detection gas leakage on the inner wall of helium seal closure 8.
Operation rack 2 top plate on, helium seal closure 8 be arranged right below and 8 clearance fit of helium seal closure seal Disk 4 further includes the supply air line 3 of the top plate and seal disc 4 through operation rack 2, in one end of supply air line 3 and helium gas source Be connected, the other end is communicated with air supply hose 5, be equipped in the end of air supply hose 5 and offer the inner cavity block head of central through hole 6, inner cavity block head 6 is connected by central through hole with air supply hose 5.Inner cavity block head 6 uses rubber material, can further increase Add the air-tightness between the port of inner cavity block head 6 and part to be measured, sealing ring is equipped on its periphery wall.Seal disc 4 and helium Seal closure 8 is gap-matched --- and there is therebetween certain gap, be the gas in order to make to reveal in detection process Energy Quick diffusing, avoids gas from causing danger with inflammable and explosive property.
The course of work:The part to be measured of side port sealing need to be positioned on seal disc 4, and inner cavity is blocked by staff First 6 are inserted into another side ports of part to be measured, and opening lifting cylinder 15 makes it that helium seal closure 8 be driven to drop to suitable position, and Position adjusting is carried out to helium seal closure 8 until it reaches clearance fit with seal disc 4, then to be measured using cylinder 11 is finely tuned It is passed through helium in part, the sensor 9 in helium seal closure 8 can be detected the air-tightness of part to be measured.If sensor 9 detects There is helium, then filter to be measured is unqualified, on the contrary then qualified.Enter water process the invention avoids bubble method detection, save Baking operation, operating process is simple and detection efficiency is high.

Claims (5)

1. a kind of helium mass spectrography leak detector for air cleaner leak detection, it is characterized in that:Including being made of shaped steel and metallic plate Operation rack (2), operation rack (2) top plate on be connected with section be L-type mounting bracket (7), on the top of mounting bracket (7) Portion is connected with external part lifting cylinder directed downwardly (15), top lower section is equipped with the lifter plate (10) laterally set, in lifter plate (10) guide rod (14) that is longitudinally disposed and being slidably connected with mounting bracket (7) is connected on;The piston rod of lifting cylinder (15) passes through It wears the top of mounting bracket (7) and is connected with the connecting plate (12) laterally set, it is solid between connecting plate (12) and lifter plate (10) External part fine tuning cylinder (11) directed downwardly is connected to, the piston rod of fine tuning cylinder (11) through lifter plate (10) and is connected with opening court Under helium seal closure (8), on the inner wall of helium seal closure (8) be equipped with for detection gas leakage sensor (9);It is grasping Make on the top plate of rack (2), the seal disc being arranged right below with helium seal closure (8) clearance fit of helium seal closure (8) (4), the supply air line (3) of the top plate and seal disc (4) through operation rack (2), one end of supply air line (3) and helium are further included Air source is connected, the other end is communicated with air supply hose (5), is equipped in the end of air supply hose (5) and offers the interior of central through hole Chamber block head (6).
2. as described in claim 1 for the helium mass spectrography leak detector of air cleaner leak detection, it is characterized in that:In mounting bracket (7) top is equipped with linear bearing (13), and guide rod (14) is slidably connected by linear bearing (13) and mounting bracket (7).
3. as described in claim 1 for the helium mass spectrography leak detector of air cleaner leak detection, it is characterized in that:Guide rod (14) At least two groups, it is symmetrically arranged at the both sides of lifting cylinder (15).
4. as described in claim 1 for the helium mass spectrography leak detector of air cleaner leak detection, it is characterized in that:Inner cavity block head (6) using rubber material, sealing ring is equipped on its periphery wall.
5. as described in claim 1 for the helium mass spectrography leak detector of air cleaner leak detection, it is characterized in that:In operation rack (2) bottom is connected with multigroup castor (1).
CN201810256797.XA 2018-03-27 2018-03-27 For the helium mass spectrography leak detector of air cleaner leak detection Pending CN108254135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810256797.XA CN108254135A (en) 2018-03-27 2018-03-27 For the helium mass spectrography leak detector of air cleaner leak detection

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Application Number Priority Date Filing Date Title
CN201810256797.XA CN108254135A (en) 2018-03-27 2018-03-27 For the helium mass spectrography leak detector of air cleaner leak detection

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CN108254135A true CN108254135A (en) 2018-07-06

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692872A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 Holding detent mechanism for filter seals detection
CN108692874A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 Quickly detection filter seals device
CN108692880A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 A kind of filter seals testing agency of simplicity
CN109115414A (en) * 2018-08-07 2019-01-01 安徽信息工程学院 A kind of simple and effective detection filter end part seal equipment
CN109974946A (en) * 2019-03-12 2019-07-05 安徽信息工程学院 Automobile filter detection device and its detection method
CN110779664A (en) * 2019-11-21 2020-02-11 泗县腾马汽车配件有限公司 Filter cleaning and sealing performance detection integrated device
CN110779663A (en) * 2019-11-21 2020-02-11 泗县腾马汽车配件有限公司 Filter leakproofness detection device
CN110967151A (en) * 2018-09-29 2020-04-07 台山市旺春达环保科技有限公司 Filter element assembly detection device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949810A (en) * 2015-06-29 2015-09-30 新乡天翼过滤技术检测有限公司 Leak detector for filter
CN107389280A (en) * 2017-08-29 2017-11-24 东莞市盛联滤清器制造有限公司 The dry type air tightness detection machine and its method of testing of a kind of cleaner
CN208043348U (en) * 2018-03-27 2018-11-02 天津市宇龙昊天汽车滤清器有限公司 A kind of helium mass spectrography air cleaner leak detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949810A (en) * 2015-06-29 2015-09-30 新乡天翼过滤技术检测有限公司 Leak detector for filter
CN107389280A (en) * 2017-08-29 2017-11-24 东莞市盛联滤清器制造有限公司 The dry type air tightness detection machine and its method of testing of a kind of cleaner
CN208043348U (en) * 2018-03-27 2018-11-02 天津市宇龙昊天汽车滤清器有限公司 A kind of helium mass spectrography air cleaner leak detector

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108692872A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 Holding detent mechanism for filter seals detection
CN108692874A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 Quickly detection filter seals device
CN108692880A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 A kind of filter seals testing agency of simplicity
CN109115414A (en) * 2018-08-07 2019-01-01 安徽信息工程学院 A kind of simple and effective detection filter end part seal equipment
CN110967151A (en) * 2018-09-29 2020-04-07 台山市旺春达环保科技有限公司 Filter element assembly detection device
CN109974946A (en) * 2019-03-12 2019-07-05 安徽信息工程学院 Automobile filter detection device and its detection method
CN110779664A (en) * 2019-11-21 2020-02-11 泗县腾马汽车配件有限公司 Filter cleaning and sealing performance detection integrated device
CN110779663A (en) * 2019-11-21 2020-02-11 泗县腾马汽车配件有限公司 Filter leakproofness detection device

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Application publication date: 20180706