CN111751060A - Tool clamp for detecting air tightness of sensor and using method - Google Patents

Tool clamp for detecting air tightness of sensor and using method Download PDF

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Publication number
CN111751060A
CN111751060A CN202010621818.0A CN202010621818A CN111751060A CN 111751060 A CN111751060 A CN 111751060A CN 202010621818 A CN202010621818 A CN 202010621818A CN 111751060 A CN111751060 A CN 111751060A
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CN
China
Prior art keywords
sensor
plate
tool clamp
pressurizing
clamp
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
CN202010621818.0A
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Chinese (zh)
Inventor
徐军
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.)
Wuxi Ruixinsheng Technology Co ltd
Original Assignee
Wuxi Ruixinsheng Technology 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 Wuxi Ruixinsheng Technology Co ltd filed Critical Wuxi Ruixinsheng Technology Co ltd
Priority to CN202010621818.0A priority Critical patent/CN111751060A/en
Publication of CN111751060A publication Critical patent/CN111751060A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Abstract

The invention discloses a tool clamp for detecting the air tightness of a sensor and a using method thereof, wherein the tool clamp comprises a clamp body, wherein the clamp body comprises a top plate, a bottom plate and four supporting columns which are parallel to each other and arranged between the top plate and the bottom plate; a top movable cylinder is arranged on the top plate, and a movable pressing block is arranged at the lower end of the top movable cylinder downwards after penetrating through the top plate; the bottom plate is provided with a test cavity, a pressurizing device, a pressure gauge and an alarm; the test cavity comprises an air inlet pipe orifice; the pressurizing device comprises a propelling cylinder, an inflation valve and a pneumatic connector; this device leakproofness is good, pressurizes evenly, and stable in structure can directly read test cavity pressure numerical value through the manometer, reduces the error to directly judge the testing result through audible-visual annunciator, need not artifical whole journey and observe, detection efficiency is high, and the testing result is more accurate.

Description

Tool clamp for detecting air tightness of sensor and using method
Technical Field
The invention belongs to the technical field of detection tool fixtures, and particularly relates to a tool fixture for detecting the air tightness of a sensor and a using method of the tool fixture.
Background
With the rapid development of the automobile industry, the requirements of customers on the intelligence and the comfort level of automobiles are higher and higher. The corresponding use of automobile sensors is more and more extensive, and the requirements are more and more strict. The stability of the performance output of the sensor is the direction that we are constantly improving, and the tightness test of the sensor is more and more important. The test fixture who uses at present needs artifical the detection and judges detection structure, and detection efficiency is low to it is difficult for judging to leak less sensor manual work, has a lot of errors.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a tool clamp for detecting the air tightness of a sensor and a using method thereof.
The purpose of the invention can be realized by the following technical scheme:
a tool clamp for detecting the air tightness of a sensor and a using method thereof are disclosed, comprising a clamp body 1, wherein the clamp body 1 comprises a top plate 2, a bottom plate 3 and four supporting columns 4 which are arranged between the top plate 2 and the bottom plate 3 and are parallel to each other; a top movable cylinder 5 is arranged on the top plate 2, and a movable pressing block 6 is arranged at the lower end of the top movable cylinder 5 downwards after penetrating through the top plate 2; the bottom plate 3 is provided with a test cavity 7, a pressurizing device 8, a pressure gauge 9 and an alarm 10; the test cavity 7 comprises an air inlet pipe orifice 11; the pressurizing device 8 comprises a propulsion cylinder 12, an inflation valve 13 and a pneumatic joint 14; the test cavity 7 is pneumatically connected with the pressurizing device 8 through a pneumatic connector 13 and an air inlet pipe orifice 11; the test cavity 7 is electrically connected with the pressure gauge 9 and the alarm 10 respectively.
Preferably, an O-shaped sealing ring is arranged at the joint of the movable pressing block 6 and the testing cavity 7.
Preferably, the test cavity 7 is a groove cavity matched with the edge of the sensor to be tested.
Preferably, the pressurizing devices 8 are provided with two groups, which are respectively positioned at the left side and the right side of the testing cavity 7.
Preferably, the pressure gauge 9 is an electronic pressure gauge capable of displaying specific pressure values.
Preferably, the alarm 10 is provided as an audible and visual alarm that can sound and light.
Preferably, the tooling clamp for detecting the air tightness of the sensor and the using method thereof comprise the following steps:
step one, after a sensor to be tested is placed in the test chamber, a test chamber 7 is sealed and fixed through a top movable air cylinder 5 and pressurizing devices 8 at the left side and the right side;
step two, the pressurizing device 8 is used for filling compressed air with fixed pressure into the testing cavity 7;
thirdly, according to whether the detected sensor leaks or not and the leakage quantity, the alarm 10 does not respond or sounds and lights or only lights for reminding;
and step four, after the test is finished, the top movable air cylinder 5 and the pressurizing devices 8 on the left side and the right side move outwards, and the tested sensor is taken out.
The invention has the beneficial effects that: the device is provided with the top movable cylinder, so that the testing cavity can be fixedly sealed, and the sealing performance is good; by arranging the two groups of pressurizing devices, pressurized air can be uniformly charged from the left side and the right side, and the test cavity can be fixed in an auxiliary manner, so that the pressurizing is uniform, and the stability is good; by arranging the electronic pressure gauge, the pressure value of the test cavity can be accurately read, and errors are reduced; through setting up the audible and visual alarm, can judge the testing result, need not artifical whole observation, detection efficiency is high, and the testing result is more accurate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1. a clamp body; 2. a top plate; 3. a base plate; 4. a support pillar; 5. a top movable cylinder; 6. a movable pressing block; 7. a test chamber; 8. a pressurizing device; 9. a pressure gauge; 10. an alarm; 11. an air inlet pipe orifice; 12. propelling the cylinder; 13. an inflation valve; 14. pneumatic joint.
Detailed Description
The technical scheme of the invention is further described by combining the attached drawings:
as shown in fig. 1, a tooling fixture for detecting the air tightness of a sensor and a using method thereof comprise a fixture body 1, wherein the fixture body 1 comprises a top plate 2, a bottom plate 3 and four supporting columns 4 which are parallel to each other and are arranged between the top plate 2 and the bottom plate 3; a top movable cylinder 5 is arranged on the top plate 2, and a movable pressing block 6 is arranged at the lower end of the top movable cylinder 5 downwards after penetrating through the top plate 2; the bottom plate 3 is provided with a test cavity 7, a pressurizing device 8, a pressure gauge 9 and an alarm 10; the test cavity 7 comprises an air inlet pipe orifice 11; the pressurizing device 8 comprises a propulsion cylinder 12, an inflation valve 13 and a pneumatic joint 14; the test cavity 7 is pneumatically connected with the pressurizing device 8 through a pneumatic connector 13 and an air inlet pipe orifice 11; the test cavity 7 is electrically connected with the pressure gauge 9 and the alarm 10 respectively.
In the using process, a sensor to be tested is placed in a testing cavity 7, a top movable air cylinder 5 drives a movable pressing block 6 to move downwards to form a sealing structure with the testing cavity 7, the left side and the right side of the testing cavity push air cylinders 12 to drive a pneumatic connector 14 to push towards the middle and to be connected into an air inlet pipe orifice 11, then an inflation valve 13 is opened, a pressurizing device 8 fills compressed air with fixed pressure into the testing cavity 7, if the sensor to be tested is normal and qualified, the air pressure value displayed by a pressure gauge 9 on the device is within a limit value range set by people, and an alarm 10 has no reaction; if the detected sensor has large leakage, the air pressure value displayed by a pressure gauge 9 on the device can quickly drop, and the alarm 10 can give out sound and light alarm when the air pressure value exceeds a set limit value; if the tested sensor has small leakage, the air pressure value displayed by the pressure gauge 9 on the device is slowly reduced, the alarm 10 is continuously lighted, the small leakage of the product in the testing process can be detected, the top movable air cylinder 5 and the pressurizing device 8 move outwards after the testing is finished, and the tested sensor is taken out.
In this embodiment, preferably, an O-ring is disposed at a joint of the movable pressing block 6 and the testing cavity 7, so that a sealing effect is improved, and a testing value is better and more accurate.
In this embodiment, preferably, the test cavity 7 is a groove cavity matched with the edge of the tested sensor, and the tested sensor is placed in the test cavity 7 to be more attached and not easy to move.
Preferably, in this embodiment, the two sets of pressurizing devices 8 are respectively located at the left and right sides of the testing cavity 7, so that pressurizing can be performed simultaneously from both sides, and the pressurizing devices 8 can play a role in fixing the testing cavity 7 after being connected with the testing cavity 7.
In the preferred embodiment, the pressure gauge 9 is an electronic pressure gauge capable of displaying specific pressure values, and the values can be directly read, so that errors are reduced.
In the embodiment, the alarm 10 is preferably configured as an audible and visual alarm capable of generating sound and emitting light, and the audible and visual alarm is used for giving sound and emitting light according to the leakage condition of the sensor to be detected, and if the leakage condition of the sensor to be detected is large, the alarm can give an audible and visual alarm at the same time; if the leakage of the sensor to be detected is small, the alarm can be continuously lighted.
In this embodiment, preferably, the tooling fixture for detecting the air tightness of the sensor and the use method thereof include the following steps:
step one, after a sensor to be tested is placed in the test chamber, a test chamber 7 is sealed and fixed through a top movable air cylinder 5 and pressurizing devices 8 at the left side and the right side;
step two, the pressurizing device 8 is used for filling compressed air with fixed pressure into the testing cavity 7;
thirdly, according to whether the detected sensor leaks or not and the leakage quantity, the alarm 10 does not respond or sounds and lights or only lights for reminding;
and step four, after the test is finished, the top movable air cylinder 5 and the pressurizing devices 8 on the left side and the right side move outwards, and the tested sensor is taken out.
Finally, it should be noted that:
first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be interpreted broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," "right," "front," "rear," and the like are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. The utility model provides a frock clamp and application method for sensor gas tightness detects, includes anchor clamps body (1), its characterized in that: the clamp body (1) comprises a top plate (2), a bottom plate (3) and four parallel support columns (4) arranged between the top plate (2) and the bottom plate (3); a top movable cylinder (5) is arranged on the top plate (2), and a movable pressing block (6) is arranged at the lower end of the top movable cylinder (5) downwards after penetrating through the top plate (2); the bottom plate (3) is provided with a testing cavity (7), a pressurizing device (8), a pressure gauge (9) and an alarm (10); the test chamber (7) comprises an air inlet pipe orifice (11); the pressurizing device (8) comprises a propelling cylinder (12), an inflation valve (13) and a pneumatic connector (14); the test cavity (7) is pneumatically connected with the pressurizing device (8) through a pneumatic connector (13) and an air inlet pipe orifice (11); the test cavity (7) is electrically connected with the pressure gauge (9) and the alarm (10) respectively.
2. The tool clamp for detecting the air tightness of the sensor and the using method of the tool clamp according to claim 1 are characterized in that: an O-shaped sealing ring is arranged at the joint of the movable pressing block (6) and the test cavity (7).
3. The tool clamp for detecting the air tightness of the sensor and the using method of the tool clamp according to claim 1 are characterized in that: the test cavity (7) is a groove cavity matched with the edge of the sensor to be tested.
4. The tool clamp for detecting the air tightness of the sensor and the using method of the tool clamp according to claim 1 are characterized in that: the pressurizing devices (8) are arranged in two groups and are respectively positioned at the left side and the right side of the testing cavity (7).
5. The tool clamp for detecting the air tightness of the sensor and the using method of the tool clamp according to claim 1 are characterized in that: the pressure gauge (9) is an electronic pressure gauge capable of displaying specific pressure values.
6. The tool clamp for detecting the air tightness of the sensor and the using method of the tool clamp according to claim 1 are characterized in that: the alarm (10) is provided with a sound and light alarm which can sound and light.
7. The tool clamp for detecting the air tightness of the sensor and the using method of the tool clamp according to claim 1 are characterized by comprising the following steps:
step one, after a sensor to be tested is placed in the test chamber, a test chamber 7 is sealed and fixed through a top movable air cylinder 5 and pressurizing devices 8 at the left side and the right side;
step two, the pressurizing device 8 is used for filling compressed air with fixed pressure into the testing cavity 7;
thirdly, according to whether the detected sensor leaks or not and the leakage quantity, the alarm 10 does not respond or sounds and lights or only lights for reminding;
and step four, after the test is finished, the top movable air cylinder 5 and the pressurizing devices 8 on the left side and the right side move outwards, and the tested sensor is taken out.
CN202010621818.0A 2020-06-30 2020-06-30 Tool clamp for detecting air tightness of sensor and using method Pending CN111751060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010621818.0A CN111751060A (en) 2020-06-30 2020-06-30 Tool clamp for detecting air tightness of sensor and using method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010621818.0A CN111751060A (en) 2020-06-30 2020-06-30 Tool clamp for detecting air tightness of sensor and using method

Publications (1)

Publication Number Publication Date
CN111751060A true CN111751060A (en) 2020-10-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010621818.0A Pending CN111751060A (en) 2020-06-30 2020-06-30 Tool clamp for detecting air tightness of sensor and using method

Country Status (1)

Country Link
CN (1) CN111751060A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792474A (en) * 2015-04-10 2015-07-22 华蓥市正大汽配有限公司 Automatic automobile lampshade airtightness detecting tool
CN204630700U (en) * 2015-05-13 2015-09-09 天津松下电子部品有限公司 A kind of air tightness checking device of automobile-used cooling-water temperature sensor
CN104931206A (en) * 2014-03-19 2015-09-23 温州奔龙自动化科技有限公司 Oxygen sensor airtightness testing device
CN205909986U (en) * 2015-12-22 2017-01-25 上海良基博方汽车发动机零部件制造股份有限公司 It reveals automatic test equipment to be used for detecting valve class part
CN207964215U (en) * 2017-12-08 2018-10-12 太仓南丰汽车零部件有限公司 A kind of novel airtight leak-checking apparatus
CN208672257U (en) * 2018-07-25 2019-03-29 东莞瑞城压铸制品有限公司 The efficient air-tightness detection device of motorcycle end cap
CN210741766U (en) * 2019-11-13 2020-06-12 湖北天榜汽车电子科技有限公司 Convenient fixed gas tightness testboard for denso oxygen sensor
CN210741759U (en) * 2019-11-18 2020-06-12 湖北天榜汽车电子科技有限公司 Air tightness test bench for detecting automobile oxygen sensor
CN212513517U (en) * 2020-06-30 2021-02-09 无锡睿新晟科技有限公司 A frock clamp for sensor gas tightness detects

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931206A (en) * 2014-03-19 2015-09-23 温州奔龙自动化科技有限公司 Oxygen sensor airtightness testing device
CN104792474A (en) * 2015-04-10 2015-07-22 华蓥市正大汽配有限公司 Automatic automobile lampshade airtightness detecting tool
CN204630700U (en) * 2015-05-13 2015-09-09 天津松下电子部品有限公司 A kind of air tightness checking device of automobile-used cooling-water temperature sensor
CN205909986U (en) * 2015-12-22 2017-01-25 上海良基博方汽车发动机零部件制造股份有限公司 It reveals automatic test equipment to be used for detecting valve class part
CN207964215U (en) * 2017-12-08 2018-10-12 太仓南丰汽车零部件有限公司 A kind of novel airtight leak-checking apparatus
CN208672257U (en) * 2018-07-25 2019-03-29 东莞瑞城压铸制品有限公司 The efficient air-tightness detection device of motorcycle end cap
CN210741766U (en) * 2019-11-13 2020-06-12 湖北天榜汽车电子科技有限公司 Convenient fixed gas tightness testboard for denso oxygen sensor
CN210741759U (en) * 2019-11-18 2020-06-12 湖北天榜汽车电子科技有限公司 Air tightness test bench for detecting automobile oxygen sensor
CN212513517U (en) * 2020-06-30 2021-02-09 无锡睿新晟科技有限公司 A frock clamp for sensor gas tightness detects

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