CN209372340U - A kind of sphygmomanometer ties up a bag test device for air tightness - Google Patents
A kind of sphygmomanometer ties up a bag test device for air tightness Download PDFInfo
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- CN209372340U CN209372340U CN201920197001.8U CN201920197001U CN209372340U CN 209372340 U CN209372340 U CN 209372340U CN 201920197001 U CN201920197001 U CN 201920197001U CN 209372340 U CN209372340 U CN 209372340U
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- test device
- ties
- sphygmomanometer
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- air tightness
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Abstract
The utility model provides a kind of sphygmomanometer and ties up a bag test device for air tightness, the utility model relates to test device for air tightness technical fields, it includes: test device main body that sphygmomanometer, which ties up a bag test device for air tightness, test device body upper surface is equipped with the display screen being electrically connected by conducting wire, test device main body includes programmable logic controller (PLC), solenoid valve and pressure transmitter, and programmable logic controller (PLC) is embedded on the inside of test device main body and is electrically connected by conducting wire, the output end of solenoid valve and the input end signal of programmable logic controller (PLC) connect, and solenoid valve front center is plugged with the connecting tube communicated therewith, pressure transmitter is located on the left of solenoid valve, and pressure transmitter includes being plugged in the standpipe and transverse tube below and communicated therewith；The utility model has the beneficial effects that: automatically controlling, production efficiency and security performance are improved, while also guaranteeing the accuracy of numerical value, enhancing connector ties up the leakproofness of bag with sphygmomanometer.
Description
Technical field
The utility model relates to test device for air tightness technical fields, tie up bag air-tightness more particularly, to a kind of sphygmomanometer and survey
Trial assembly is set.
Background technique
Air tight test need to use air-leakage detector, it is to be specifically applied to detect being sealed property of cavity engineering goods
Device.Being mainly used for automobile engine, gearbox, vehicle bridge, water tank, fuel tank etc. has in the production of seal request cavity.Gas
Airtight detector uses the intelligentized design of embedded Control, can be automatically performed test program, and carries out to inspection result automatic
Differentiate.
Existing sphygmomanometer ties up a bag test device for air tightness, usually by manually control gas source switch control into
Gas, artificial observation air gauge numerical value close gas source switch when atmospheric pressure value reaches specified air pressure, observe air gauge numerical value, waits
A period of time observation numerical value change, if numerical value change within the allowable range if it is qualified, it is otherwise unqualified, by being manually operated not
Only production efficiency is low, and is difficult to accurately obtain pressure difference, then be, if gas source switch cannot be closed in time, it is possible to meeting
Product is damaged, conventional connector and sphygmomanometer tie up the phenomenon that bag is easy to appear gas leakage, and sealing performance is poor.
Utility model content
Technical problem to be solved by the utility model is: in view of the problems of the existing technology, providing a kind of sphygmomanometer
A bag test device for air tightness is tied up, by automatically controlling, multichannel can be extended while being tested, each channel works independently, greatly
Production efficiency is improved greatly, and is accurately controlled sphygmomanometer and ties up a bag pressure value, there is intelligent and safe protection mechanism, improve it
Safety, enhancing connector and sphygmomanometer tie up the leakproofness of bag.
The technical problems to be solved in the utility model is realized using following technical scheme: a kind of sphygmomanometer ties up a bag air-tightness
Test device, the sphygmomanometer tie up a bag test device for air tightness and include:
Test device main body, the test device body upper surface are equipped with the display being electrically connected by conducting wire
Screen, the test device main body include programmable logic controller (PLC), solenoid valve and pressure transmitter, and the programmable logic
Controller is embedded on the inside of test device main body and is electrically connected by conducting wire, the output end of the solenoid valve and programmable
The input end signal of logic controller connects, and the solenoid valve front center is plugged with the connecting tube communicated therewith, the pressure
Power transmitter is located on the left of solenoid valve, and the pressure transmitter includes being plugged in the standpipe and cross below and communicated therewith
Pipe, the transverse tube is arranged vertically within standpipe end and communicates therewith, and pressure transmitter is plugged in solenoid valve by transverse tube right end
The left side is communicated with solenoid valve；
Connector, the connector includes circular shaft, inner tube, connects mouth, compressed spring and stripper plate, and the circular shaft is fixed on and connects
Head left end, center is provided with bayonet to the circular shaft from left to right, and in said inner tube end insertion bayonet and pass through circular shaft right end with
Connector communicates, and said inner tube left end is plugged with the mouth that connects communicated therewith, and the bayonet inner wall upper and lower sides center is provided with groove,
The compressed spring and the equal symmetry arrangement of stripper plate in two groove inner walls, and the compressed spring be fixed on stripper plate and
Between groove inner wall, the stripper plate passes through compressed spring and groove inner wall elastic connection.
Preferably, test device main body right front is fixed with the plug being electrically connected with programmable logic controller (PLC).
Preferably, the connector right end is plugged and fixed and is interconnected with transverse tube left end.
Preferably, the programmable logic controller (PLC) is mainly by power supply, central processing unit, memory, input unit
It is constituted with output unit.
Preferably, test device main body bottom end quadrangle is welded with stabilizer blade.
Compared with prior art, the utility model has the beneficial effects that
This kind of sphygmomanometer ties up a bag test device for air tightness, is beaten connecting tube using PLC controls solenoid valve
It opens and gas source is made to start to be inflated to test product, pressure actual read number can be observed by display screen at this time, work as pressure
When value reaches setting value, programmable logic controller (PLC) can control solenoid valve closing, can give product automatically by automatically controlling
It is inflated, and automatically controls solenoid valve on-off, can accurately control sphygmomanometer and tie up a bag pressure value, greatly improve product
The accuracy of test data, while security mechanism is enabled, automatic closing gas source can be avoided the phenomenon that damaging product generation, protect
Tested product has been protected, production efficiency is greatly improved, has saved cost；
Inner tube is tied up in the port of bag with mouth insertion sphygmomanometer is connect, then the upper and lower of the inner wall of bayonet in circular shaft is pasted respectively
It closes and in sphygmomanometer ties up the top and bottom of bag, sphygmomanometer can be tied up to bag extruding and be fixed on by compressed spring in groove and stripper plate
In bayonet, at the same also can reinforced joint and sphygmomanometer tie up the leakproofness of bag.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the joint structure schematic diagram of the utility model.
Marked in the figure: 1- test device main body；2- programmable logic controller (PLC)；3- plug；4- stabilizer blade；5- solenoid valve；
501- connecting tube；6- pressure transmitter；601- standpipe；602- transverse tube；7- connector；701- circular shaft；702- bayonet；703- inner tube；
704- connects mouth；705- groove；706- compressed spring；707- stripper plate.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically
The utility model is described in detail in embodiment.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model is not used to limit the utility model.
As shown in Figs. 1-2, a kind of sphygmomanometer ties up a bag test device for air tightness, and sphygmomanometer ties up a bag test device for air tightness packet
It includes:
Test device main body 1,1 upper surface of test device main body are equipped with the display screen being electrically connected by conducting wire,
Test device main body 1 includes programmable logic controller (PLC) 2, solenoid valve 5 and pressure transmitter 6, and programmable logic controller (PLC) 2
It is embedded in 1 inside of test device main body and is electrically connected by conducting wire, the output end and Programmable logical controller of solenoid valve 5
The input end signal of device 2 connects, and 5 front center of solenoid valve is plugged with the connecting tube 501 communicated therewith, and pressure transmitter 6
In 5 left side of solenoid valve, and pressure transmitter 6 includes being plugged in the standpipe 601 and transverse tube 602 below and communicated therewith, transverse tube
602 are arranged vertically within 601 end of standpipe and communicate therewith, and pressure transmitter 6 is plugged in solenoid valve 5 by 602 right end of transverse tube
The left side is communicated with solenoid valve 5, and 1 right front of test device main body is fixed with the plug being electrically connected with programmable logic controller (PLC) 2
3, programmable logic controller (PLC) 2 is mainly made of power supply, central processing unit, memory, input unit and output unit, is made
Programmable logic controller (PLC) 2 is first connected external power supply by plug 3 by user, and display screen is connected external electrical also by conducting wire
The end of connecting tube 501 is connected with source of the gas by source, then, user again, and user is solid by the setting of programmable logic controller (PLC) 2
Then connecting tube 501 is opened by the control solenoid valve 5 of programmable logic controller (PLC) 2 and gas source is started to tested by definite value
Product is inflated, and the display screen in test device main body 1 can observe pressure actual read number at this time, when pressure value arrival is set
When definite value, programmable logic controller (PLC) 2 can control the closing of solenoid valve 5, then be read by 2 timing of programmable logic controller (PLC)
First pressure value is then further continued for timing and reads second pressure value, then calculates pressure difference, first pressure value is subtracted the second pressure
Force value can obtain pressure difference, then be compared pressure difference with normal pressure difference, if pressure difference is less than or equal to standard pressure
Power difference is then qualified, otherwise unqualified, can be inflated automatically to product by automatically controlling, and automatically control solenoid valve 5
On-off can accurately control sphygmomanometer and tie up a bag pressure value, greatly improve the accuracy of product test data, enable simultaneously
The generation of the phenomenon that security mechanism, automatic closing gas source can be avoided damage product, protects tested product, greatly improves life
Efficiency is produced, cost has been saved；
The utility model embodiment center tap 7, connector 7 include circular shaft 701, inner tube 703, connect mouth 704, compressed spring 706
And stripper plate 707, and circular shaft 701 is fixed on 7 left end of connector, center is provided with bayonet 702, and inner tube to circular shaft 701 from left to right
It in 703 ends insertion bayonet 702 and passes through 701 right end of circular shaft and is communicated with connector 7, inner tube 703 left end, which is plugged with, to be communicated therewith
Mouth 704 is connect, and 702 inner wall upper and lower sides center of bayonet is provided with groove 705, compressed spring 706 and the equal symmetry arrangement of stripper plate 707
In two 705 inner walls of groove, and compressed spring 706 is fixed between 705 inner wall of stripper plate 707 and groove, and stripper plate 707 passes through
Compressed spring 706 and 705 inner wall elastic connection of groove, 7 right end of connector are plugged and fixed and are interconnected with 602 left end of transverse tube, make
User connects the left end of the right end of connector 7 and transverse tube 602, when user uses connector 7, first by inner tube 703 and connects mouth 704
Insertion sphygmomanometer is tied up in the port of bag, then the upper and lower of the inner wall of bayonet 702 in circular shaft 701 is fitted in sphygmomanometer respectively and ties up bag
Top and bottom, sphygmomanometer can be tied up by compressed spring 706 in groove 705 and stripper plate 707 by bag extruding and be fixed on bayonet
In 702, at the same also can reinforced joint 7 and sphygmomanometer tie up the leakproofness of bag.
In the present embodiment, 1 bottom end quadrangle of test device main body is welded with stabilizer blade 4, can play support by stabilizer blade 4 and survey
Try the effect of apparatus main body 1.
Wherein pressure transmitter model TK-2088MF；Electromagnetic valve model is ZCP；Display screen model sun-d.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Out, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should all include
It is within the protection scope of the utility model.
Claims (5)
1. a kind of sphygmomanometer ties up a bag test device for air tightness, which is characterized in that the sphygmomanometer ties up a bag test device for air tightness packet
It includes:
Test device main body (1), test device main body (1) upper surface are equipped with the display being electrically connected by conducting wire
Screen, the test device main body (1) include programmable logic controller (PLC) (2), solenoid valve (5) and pressure transmitter (6), and institute
Programmable logic controller (PLC) (2) is stated to be embedded on the inside of test device main body (1) and be electrically connected by conducting wire, the electromagnetism
The output end of valve (5) is connect with the input end signal of programmable logic controller (PLC) (2), and the solenoid valve (5) front center is inserted
It is connected to the connecting tube (501) communicated therewith, the pressure transmitter (6) is located on the left of solenoid valve (5), and the pressure transmitter
It (6) include being plugged in the standpipe (601) and transverse tube (602) below and communicated therewith, the transverse tube (602) is arranged vertically within vertical
Pipe (601) end simultaneously communicates therewith, and pressure transmitter (6) is plugged in solenoid valve (5) left side and electricity by transverse tube (602) right end
Magnet valve (5) communicates；
Connector (7), the connector (7) include circular shaft (701), inner tube (703), connect mouth (704), compressed spring (706) and squeeze
Pressing plate (707), and the circular shaft (701) is fixed on connector (7) left end, the circular shaft (701) is provided with bayonet in center from left to right
(702), it and in said inner tube (703) end insertion bayonet (702) and across circular shaft (701) right end is communicated with connector (7), it is described
Inner tube (703) left end is plugged with connecing mouth (704) of communicating therewith, and the bayonet (702) inner wall upper and lower sides center be provided with it is recessed
Slot (705), the compressed spring (706) and stripper plate (707) symmetry arrangement are in two groove (705) inner walls, and institute
It states compressed spring (706) to be fixed between stripper plate (707) and groove (705) inner wall, the stripper plate (707) passes through compression bullet
Spring (706) and groove (705) inner wall elastic connection.
2. a kind of sphygmomanometer according to claim 1 ties up a bag test device for air tightness, it is characterised in that: the test device
Main body (1) right front is fixed with the plug (3) being electrically connected with programmable logic controller (PLC) (2).
3. a kind of sphygmomanometer according to claim 1 ties up a bag test device for air tightness, it is characterised in that: the connector (7)
Right end is plugged and fixed and is interconnected with transverse tube (602) left end.
4. a kind of sphygmomanometer according to claim 1 ties up a bag test device for air tightness, it is characterised in that: described may be programmed is patrolled
Controller (2) are collected mainly to be made of power supply, central processing unit, memory, input unit and output unit.
5. a kind of sphygmomanometer according to claim 1 ties up a bag test device for air tightness, it is characterised in that: the test device
Main body (1) bottom end quadrangle is welded with stabilizer blade (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197001.8U CN209372340U (en) | 2019-02-14 | 2019-02-14 | A kind of sphygmomanometer ties up a bag test device for air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197001.8U CN209372340U (en) | 2019-02-14 | 2019-02-14 | A kind of sphygmomanometer ties up a bag test device for air tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372340U true CN209372340U (en) | 2019-09-10 |
Family
ID=67827007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920197001.8U Active CN209372340U (en) | 2019-02-14 | 2019-02-14 | A kind of sphygmomanometer ties up a bag test device for air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372340U (en) |
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2019
- 2019-02-14 CN CN201920197001.8U patent/CN209372340U/en active Active
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