CN206906018U - A kind of breathing relief valve checking table - Google Patents
A kind of breathing relief valve checking table Download PDFInfo
- Publication number
- CN206906018U CN206906018U CN201720872584.0U CN201720872584U CN206906018U CN 206906018 U CN206906018 U CN 206906018U CN 201720872584 U CN201720872584 U CN 201720872584U CN 206906018 U CN206906018 U CN 206906018U
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- breather
- pressure pump
- valve
- malleation
- positive
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Abstract
The utility model discloses a kind of breathing relief valve checking table, including malleation table, three-way pipe, tested breather valve and negative pressure pump, vacuum table is installed on the right side of the malleation table, and breather pipe is fixed with the right side of vacuum table, air cleaner is installed on the left of the three-way pipe, and positive pressure pump is provided with below air cleaner, negative pressure pump controller is installed below the positive/negative-pressure switching valve, negative pressure pump controller is provided with below the negative pressure pump, the fixed connecting base is connected by fixing bolt with breather valve clamping platform, and the bottom inside of breather valve clamping platform is fixed with support block.The breathing relief valve checking table is using two kinds of malleation table, vacuum table and U-shaped pressure gauge metering systems, clear reading can be made accurate, improve the accuracy of data, reduce the error of measurement result, device is additionally provided with breather valve clamping platform, stability when can effectively improve device to tested breather valve detection.
Description
Technical field
Breathing relief valve technical field is the utility model is related to, specially a kind of breathing relief valve checking table.
Background technology
Breathing relief valve is to safeguard that cartridge gas pressure balances, and reduces the energy-saving safe product of medium volatilization, type of respiration safety
Valve is made up of pressure valve and vacuum valve, is installed on oil cargo tank permeability cell, can be automatic with oil gas positive/negative-pressure change in oil cargo tank
Open and close, oil cargo tank inner and outer air pressure difference is maintained at the valve in the range of permissible value.
Increasingly mature with breathing relief valve technology, the scope of application of breathing relief valve also becomes increasingly wider,
It would generally receive a series of checkout procedure before the use of breathing relief valve, but the working result of some verifying attachments
It is less than satisfactory, by taking a kind of breathing relief valve checking table as an example, the checking table of existing breathing relief valve, it can only test and exhale
The calling function of valve is inhaled, and data inaccuracy measurement error is big, easily causes device damage, so we have proposed a kind of type of respiration peace
Full valve checking table, in order to solve the problems, such as above-mentioned middle proposition.
Utility model content
The purpose of this utility model is to provide a kind of breathing relief valve checking table, proposed with solving above-mentioned background technology
Breathing relief valve checking table data inaccuracy measurement error in the market it is big, the problem of easily causing device damage.
To achieve the above object, the utility model provides following technical scheme：A kind of breathing relief valve checking table, including
Malleation table, three-way pipe, breather valve and negative pressure pump are tested, vacuum table, and the right side of vacuum table are installed on the right side of the malleation table
Breather pipe is fixed with, the upper end of the breather pipe is connected with U-shaped pressure gauge, and the lower end of breather pipe is fixed with ventilation switch, institute
State and air cleaner is installed on the left of three-way pipe, and positive pressure pump is provided with below air cleaner, under the positive pressure pump
Side is connected with malleation pump controller, and malleation pump controller is connected by positive pressure pump with positive/negative-pressure switching valve, the positive/negative-pressure
Negative pressure pump controller is installed, the lower end of the tested breather valve is fixed with breather valve clamping platform, and breathes below switching valve
Air cushioning tank is connected with the left of valve clamping platform, negative pressure pump controller is provided with below the negative pressure pump, described be tested is exhaled
The lower end for inhaling valve is fixed with fixed connecting base, and sealing ring is provided with the downside of fixed connecting base, and the fixed connecting base passes through
Fixing bolt is connected with breather valve clamping platform, and the bottom inside of breather valve clamping platform is fixed with support block.
Preferably, ventilation switch, and malleation are mounted on the breather pipe of the malleation table, vacuum table and U-shaped pressure gauge
It is connected between table and vacuum table and U-shaped pressure gauge by three-way pipe.
Preferably, the positive pressure pump is that electrical output connects with negative pressure pump controller with malleation pump controller and negative pressure pump
Connect, and positive pressure pump and negative pressure pump are connected by breather pipe with positive/negative-pressure switching valve.
Preferably, air cleaner is installed on the breather pipe at the positive/negative-pressure switching valve rear, and air cleaner
Rear is divided into 2 breather pipes by three-way pipe, and between wherein 1 breather pipe and malleation table, vacuum table and U-shaped pressure gauge
Three-way pipe is connected, and another 1 breather pipe is connected with air cushioning tank.
Preferably, the fixed connecting base is that flange is connected with breather valve clamping platform, and the upper side of breather valve clamping platform
For groove structure, and the appearance and size of its groove structure matches with the appearance and size of fixed connecting base.
Preferably, the support block is structure as a whole with breather valve clamping platform, and the inside of support block is through-hole structure, and
And the diameter of its through-hole structure is equal with the diameter of breather pipe.
Compared with prior art, the beneficial effects of the utility model are：The breathing relief valve checking table use is simpler
Just, malleation pump controller, negative pressure pump controller and positive/negative-pressure switching valve are provided with, breathing relief valve clamped one time can be made
Completion is exhaled, inhales two kinds of verifications, is effectively reduced labor intensity and is improved verifying work efficiency, the device is additionally provided with positive pressure pump and negative pressure
Pump, without external gas source, and whole device is compact-sized, reduces the situation that whole device is damaged and occurs, is advantageous to
The site layout project of calibration equipment, later stage use cost is reduced, device is using two kinds of malleation table, vacuum table and U-shaped pressure gauge measurements
Mode, clear reading can be made accurate, improve the accuracy of data, reduce the error of measurement result, device is additionally provided with breathing
Valve clamping platform, stability when can effectively improve device to tested breather valve detection, and then ensure the safety of tested breather valve
Property.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model partial structural diagram.
In figure：1st, malleation table, 2, vacuum table, 3, breather pipe, 4, U-shaped pressure gauge, 5, ventilation switch, 6, three-way pipe, 7, empty
Air filter, 8, positive pressure pump, 9, malleation pump controller, 10, positive/negative-pressure switching valve, 11, negative pressure pump controller, 12, tested breathing
Valve, 13, breather valve clamping platform, 14, air cushioning tank, 15, negative pressure pump, 16, fixed connecting base, 17, sealing ring, 18, fixed spiral shell
Bolt, 19, support block.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of breathing relief valve checking table, including just
Press table 1, vacuum table 2, breather pipe 3, U-shaped pressure gauge 4, ventilation switch 5, three-way pipe 6, air cleaner 7, positive pressure pump 8, positive pressure pump
Controller 9, positive/negative-pressure switching valve 10, negative pressure pump controller 11, tested breather valve 12, breather valve clamping platform 13, air cushioning tank
14th, negative pressure pump 15, fixed connecting base 16, sealing ring 17, fixing bolt 18 and support block 19, the right side of malleation table 1 are provided with negative
Table 2 is pressed, and the right side of vacuum table 2 is fixed with breather pipe 3, pacifies on the breather pipe 3 of malleation table 1, vacuum table 2 and U-shaped pressure gauge 4
Equipped with ventilation switch 5, and it is connected between malleation table 1 and vacuum table 2 and U-shaped pressure gauge 4 by three-way pipe 6, can be conveniently filled
Put and various forms of detections are carried out to tested breather valve 12, add the use value of device, the upper end of breather pipe 3 is connected with U
Shape pressure gauge 4, and the lower end of breather pipe 3 is fixed with ventilation switch 5, the left side of three-way pipe 6 is provided with air cleaner 7, and empty
The lower section of air filter 7 is provided with positive pressure pump 8, positive pressure pump 8 and malleation pump controller 9 and negative pressure pump 15 and negative pressure pump controller
11 be electrical output connection, and positive pressure pump 8 and negative pressure pump 15 are connected by breather pipe 3 with positive/negative-pressure switching valve 10, can
Effectively to be controlled positive pressure pump 8 and negative pressure pump 15, and then the operating efficiency of device is improved, the downside connection of positive pressure pump 8
There is malleation pump controller 9, and malleation pump controller 9 is connected by positive pressure pump 8 with positive/negative-pressure switching valve 10, positive/negative-pressure switching valve
Air cleaner 7 is installed, and the rear of air cleaner 7 is divided into 2 ventilations by three-way pipe 6 on the breather pipe 3 at 10 rears
Pipe 3, and wherein 1 breather pipe 3 is connected with the three-way pipe 6 between malleation table 1, vacuum table 2 and U-shaped pressure gauge 4, another 1
Breather pipe 3 is connected with air cushioning tank 14, the impurity of the interior air-flow of breather pipe 3 can be reduced by air cleaner 7, and then subtract
The error of few measurement result, the lower section of positive/negative-pressure switching valve 10 are provided with negative pressure pump controller 11, are tested the lower end of breather valve 12
Breather valve clamping platform 13 is fixed with, and the left side of breather valve clamping platform 13 is connected with air cushioning tank 14, the lower section of negative pressure pump 15
Negative pressure pump controller 11 is provided with, the lower end of tested breather valve 12 is fixed with fixed connecting base 16, and under fixed connecting base 16
Side is provided with sealing ring 17, and fixed connecting base 16 is that flange is connected with breather valve clamping platform 13, and breather valve clamping platform 13 is upper
Side is groove structure, and the appearance and size of its groove structure matches with the appearance and size of fixed connecting base 16, strengthens quilt
Stability of the breather valve 12 on breather valve clamping platform 13 is surveyed, and then ensure that the security of tested breather valve 12, is fixedly connected
Seat 16 is connected by fixing bolt 18 with breather valve clamping platform 13, and the bottom inside of breather valve clamping platform 13 is fixed with support
Block 19, support block 19 are structure as a whole with breather valve clamping platform 13, and the inside of support block 19 is through-hole structure, and its through hole
The diameter of structure is equal with the diameter of breather pipe 3, and the stabilization of the internal ventilation pipe 3 of breather valve clamping platform 13 can be effectively ensured.
Operation principle：When using the breathing relief valve checking table, tested breather valve 12 is pressed from both sides mounted in breather valve first
On tight platform 13, the fixed connecting base 16 of the tested bottom of breather valve 12 can be fixed on by fixing bolt 18 and breather valve clamping platform 13
Together, guarantee is tested firm between breather valve 12 and breather valve clamping platform 13, and fixed connecting base 16 and breather valve clamping platform
Sealing ring 17 between 13, the sealing property of fixed connecting base 16 and the junction of breather valve clamping platform 13 can be effectively ensured, it
After start to test, the tested breath pressure of breather valve 12 of first step test, positive/negative-pressure switching valve 10 is switched into malleation, simultaneously closed off
The ventilation switch 5 of the lower section of vacuum table 2, opens malleation pump controller 9, and positive pressure pump 8 is started working, positive pressure pump 8 can promote gas according to
It is secondary to pass through positive/negative-pressure switching valve 10, air cleaner 7, air cushioning tank 14 and breather valve clamping platform 13, eventually enter into tested exhale
Inhale in valve 12, in the presence of three-way pipe 6, air-flow can be entered in malleation table 1 and U-shaped pressure gauge 4, hear tested breather valve 12
The reading of malleation table 1 and U-shaped pressure gauge 4 is recorded after unlatching sound, the breath tester of breather valve 12 is tested and completes, second step test quilt
The pressure of inspiration(Pi) of breather valve 12 is surveyed, positive/negative-pressure switching valve 10 is switched into negative pressure, simultaneously closes off the ventilation switch 5 of the lower section of malleation table 1,
Negative pressure pump controller 11 is opened, negative pressure pump 15 is started working, then observes vacuum table 2 and U-shaped pressure gauge 4, hears tested breather valve
12 open the reading of record vacuum table 2 and U-shaped pressure gauge 4 after sound, are tested the air-breathing test of breather valve 12 and complete, so as to complete one
Series of tasks.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (6)
1. a kind of breathing relief valve checking table, including malleation table (1), three-way pipe (6), tested breather valve (12) and negative pressure pump
(15), it is characterised in that：Vacuum table (2) is installed on the right side of the malleation table (1), and is fixed with the right side of vacuum table (2) logical
Tracheae (3), the upper end of the breather pipe (3) is connected with U-shaped pressure gauge (4), and the lower end of breather pipe (3) is fixed with ventilation switch
(5) air cleaner (7), is installed on the left of the three-way pipe (6), and positive pressure pump is provided with below air cleaner (7)
(8), be connected with malleation pump controller (9) on the downside of the positive pressure pump (8), and malleation pump controller (9) by positive pressure pump (8) with
Positive/negative-pressure switching valve (10) is connected, and negative pressure pump controller (11) is provided with below the positive/negative-pressure switching valve (10), described
The lower end of tested breather valve (12) is fixed with breather valve clamping platform (13), and is connected with air on the left of breather valve clamping platform (13)
Surge tank (14), is provided with negative pressure pump controller (11) below the negative pressure pump (15), under the tested breather valve (12)
End is fixed with fixed connecting base (16), and sealing ring (17), the fixed connecting base are provided with the downside of fixed connecting base (16)
(16) it is connected by fixing bolt (18) with breather valve clamping platform (13), and the bottom inside of breather valve clamping platform (13) is fixed
There is support block (19).
A kind of 2. breathing relief valve checking table according to claim 1, it is characterised in that：The malleation table (1), negative pressure
Ventilation switch (5), and malleation table (1) and vacuum table (2) and U are mounted on the breather pipe (3) of table (2) and U-shaped pressure gauge (4)
It is connected between shape pressure gauge (4) by three-way pipe (6).
A kind of 3. breathing relief valve checking table according to claim 1, it is characterised in that：The positive pressure pump (8) with just
Press pump controller (9) and negative pressure pump (15) are that electrical output connects with negative pressure pump controller (11), and positive pressure pump (8) and are born
Press pump (15) is connected by breather pipe (3) with positive/negative-pressure switching valve (10).
A kind of 4. breathing relief valve checking table according to claim 1, it is characterised in that：The positive/negative-pressure switching valve
(10) air cleaner (7) is installed, and the rear of air cleaner (7) passes through three-way pipe (6) point on the breather pipe (3) at rear
Into 2 breather pipes (3), and between wherein 1 breather pipe (3) and malleation table (1), vacuum table (2) and U-shaped pressure gauge (4)
Three-way pipe (6) is connected, and another 1 breather pipe (3) is connected with air cushioning tank (14).
A kind of 5. breathing relief valve checking table according to claim 1, it is characterised in that：The fixed connecting base (16)
It is that flange is connected with breather valve clamping platform (13), and the upper side of breather valve clamping platform (13) is groove structure, and its groove
The appearance and size of structure matches with the appearance and size of fixed connecting base (16).
A kind of 6. breathing relief valve checking table according to claim 1, it is characterised in that：The support block (19) is with exhaling
Inhale valve clamping platform (13) to be structure as a whole, and the inside of support block (19) be through-hole structure, and the diameter of its through-hole structure and
The diameter of breather pipe (3) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872584.0U CN206906018U (en) | 2017-07-18 | 2017-07-18 | A kind of breathing relief valve checking table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872584.0U CN206906018U (en) | 2017-07-18 | 2017-07-18 | A kind of breathing relief valve checking table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906018U true CN206906018U (en) | 2018-01-19 |
Family
ID=61311841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720872584.0U Expired - Fee Related CN206906018U (en) | 2017-07-18 | 2017-07-18 | A kind of breathing relief valve checking table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906018U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655257A (en) * | 2019-01-21 | 2019-04-19 | 广东省特种设备检测研究院珠海检测院 | A kind of portable tank vehicle constant pressure tank body breather valve calibration equipment |
| CN110333066A (en) * | 2019-07-19 | 2019-10-15 | 山东雁翔机电工程有限公司 | A kind of breathing valve checking table |
| CN111746742A (en) * | 2020-06-22 | 2020-10-09 | 沪东中华造船(集团)有限公司 | Pressure test method for chemical ship cargo hold PV valve |
| CN114504892A (en) * | 2022-01-24 | 2022-05-17 | 江苏复森特种阀门有限公司 | Pilot-operated pneumatic breather valve for monitoring pressure of control room |
| CN116202878A (en) * | 2023-01-29 | 2023-06-02 | 中国特种设备检测研究院 | Check valve atmospheric pressure durability testing arrangement |
-
2017
- 2017-07-18 CN CN201720872584.0U patent/CN206906018U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655257A (en) * | 2019-01-21 | 2019-04-19 | 广东省特种设备检测研究院珠海检测院 | A kind of portable tank vehicle constant pressure tank body breather valve calibration equipment |
| CN110333066A (en) * | 2019-07-19 | 2019-10-15 | 山东雁翔机电工程有限公司 | A kind of breathing valve checking table |
| CN110333066B (en) * | 2019-07-19 | 2020-11-13 | 山东雁翔机电工程有限公司 | Breather valve calibration stand |
| CN111746742A (en) * | 2020-06-22 | 2020-10-09 | 沪东中华造船(集团)有限公司 | Pressure test method for chemical ship cargo hold PV valve |
| CN114504892A (en) * | 2022-01-24 | 2022-05-17 | 江苏复森特种阀门有限公司 | Pilot-operated pneumatic breather valve for monitoring pressure of control room |
| CN116202878A (en) * | 2023-01-29 | 2023-06-02 | 中国特种设备检测研究院 | Check valve atmospheric pressure durability testing arrangement |
| CN116202878B (en) * | 2023-01-29 | 2023-10-20 | 中国特种设备检测研究院 | Check valve atmospheric pressure durability testing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20180718 |