CN209387223U - A kind of breathing valve test device - Google Patents
A kind of breathing valve test device Download PDFInfo
- Publication number
- CN209387223U CN209387223U CN201920393991.2U CN201920393991U CN209387223U CN 209387223 U CN209387223 U CN 209387223U CN 201920393991 U CN201920393991 U CN 201920393991U CN 209387223 U CN209387223 U CN 209387223U
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- China
- Prior art keywords
- holding chamber
- cylinder
- valve
- tracheae
- breather valve
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Abstract
The utility model relates to a kind of breathing valve test devices, working plate including feeder and fixed setting, the cylinder I and cylinder II of piston rod straight down are installed on the working plate, mounting hole I, the mounting hole II for being located at cylinder I, II lower section of cylinder are offered on working plate, the upper sealing surface of the side wall and breather valve of mounting hole I and mounting hole II is in sealing contact；The sealing bottom surface of working plate is connected with holding chamber I, and the intracavitary supporting plate I for being equipped with support breather valve bottom surface, supporting plate I are connect with the bottom wall of holding chamber I by spring under holding chamber I, and the bottom wall of holding chamber I is also provided with drainage hole.The utility model can carry out the test of positive passability and reversed leakproofness to improved breather valve, and can test simultaneously two breather valves, improve testing efficiency；It is tested by the way that breather valve to be put into holding chamber, simplifies installation steps, breather valve is jacked up by spring after the completion of test, facilitates and takes out breather valve.
Description
Technical field
The utility model relates to breather valve experimental provision field more particularly to a kind of breathing valve test devices.
Background technique
Breather valve is a kind of common pressure-regulating device of tank body class equipment, and leakproofness determines pressure controlled reliable
Property, therefore in breather valve factory, need to do the leakproofness of its spool test experiments, to guarantee normal use.But
As breathing valve technology is continuously improved, there is the more compact breather valve of structure, shape is neither traditional with big
The pattern of ring flange, nor there is the pattern of thick cylinder in previous generation product, but the cylindrical gabarit of small volume, it improves
The outer surface of breather valve afterwards is provided with thread segment, is equipped with upper sealing surface in the top of thread segment, is equipped with down below thread segment close
Cover, for this new structure type, test device before has not been available.
Summary of the invention
In view of the shortcomings of the prior art, the utility model provides a kind of breathing valve test devices, are suitable for new-type breather valve
Performing leak test, and can simultaneously two breather valves be carried out with the test of forward and reverse.
The utility model is achieved by the following technical solution, and provides a kind of breathing valve test device, including gas supply dress
The working plate set and be fixedly installed is installed with the cylinder I and cylinder II of piston rod straight down, cylinder on the working plate
I and cylinder II by driving tracheae to be connected to feeder, offered on working plate and be located at cylinder I, below cylinder II
Mounting hole I, mounting hole II, the upper sealing surface of the side wall and breather valve of mounting hole I and mounting hole II is in sealing contact；
The sealing bottom surface of working plate is connected with the holding chamber I coaxial with mounting hole I, and the inner cavity of holding chamber I includes being connected
Logical epicoele and cavity of resorption, the cavity of resorption cavity wall of holding chamber I and the lower sealing surface of breather valve are in sealing contact, and in the cavity of resorption of holding chamber I
It is interior to be equipped with the supporting plate I for supporting breather valve bottom surface, venthole is offered on supporting plate I, supporting plate I and the bottom wall of holding chamber I pass through spring
Connection, the bottom wall of holding chamber I are also provided with the drainage hole that water storage container is connected to by water pipe, the junction of water pipe and water storage container
Lower than the liquid level in water storage container；The epicoele of holding chamber I is connected to by tracheae I with feeder；
The bottom surface of working plate, which also seals, is connected with the holding chamber II coaxial with mounting hole II, the inner cavity of holding chamber II with put
The inner cavity for setting room I is identical, and the lower section of holding chamber II is connected with by taking over the check valve being connected to the cavity of resorption of holding chamber II, places
It is intracavitary under room II to be equipped with the supporting plate II for supporting breather valve bottom surface, venthole, supporting plate II and holding chamber II are offered on supporting plate II
Bottom wall connected by spring, upper end is equipped in the adapter tube and supporting plate II is affixed, lower end is pushed up to the push rod of inner elements of check valve,
The one end of the check valve far from adapter tube is connected to by tracheae II with feeder；The epicoele of holding chamber II is connected to by tracheae and is pressed
Power table.
This programme is put in mounting hole I, in mounting hole II when in use, by two breather valves respectively, makes the outlet of breather valve
Mouthful it is located at epicoele, the air inlet of breather valve is located at cavity of resorption, and when negative testing, the piston rod stretching of cylinder I pushes down on breathing
Valve, spring compressive deformation, under intracavitary gas be pressurized after enter in water storage container along water pipe, make to generate bubble in water storage container,
After bubble collapse, feeder to holding chamber I it is upper it is intracavitary be passed through gas, after being kept for a period of time, if in water storage container not
Occur bubble again, then illustrate that the reversed leakproofness of breather valve is met the requirements, disconnects gas supply and utilized after the piston rod of cylinder I retracts
The screen resilience of spring jacks up breather valve upwards, facilitates and takes out breather valve；When positive test, the piston rod of cylinder II stretches out,
Breather valve, spring compressive deformation are pushed down on, push rod opens check valve, and then feeder is to intracavitary punching under holding chamber II
Enter gas, under it is intracavitary have certain pressure after, retract cylinder II piston rod, under the action of recoil of spring power, breather valve and
Supporting plate II moves up, closed check valve, and whether the registration for observing pressure gauge changes, if pressure gauge registration does not change, explanation
Breather valve forward direction passage capacity is good.
It further include the sealing ring being set on breather valve on sealing surface and lower sealing surface as optimization.This prioritization scheme is logical
Setting sealing ring is crossed, the leakproofness between breather valve and this test device is improved, test result is more accurate, reliable.
As optimization, the epicoele diameter of holding chamber I is greater than cavity of resorption diameter, and epicoele and cavity of resorption are by chamfered transition, described
The fillet surface on inclined-plane and breather valve thread segment lower end surface is in sealing contact.Being provided with for this prioritization scheme is conducive to improve upper intracavity gas
It is passed through space, Enhancement test effect increases the contact area with breather valve, to improve close by the way that chamfered transition is arranged
Seal effect.
As optimization, the piston-rod lower end of cylinder I and cylinder II has been respectively and fixedly connected with pressure head.It is increased and is applied by setting pressure head
Power area is conducive to avoid breather valve deflection.
As optimization, the thickness of working plate is greater than the axial length of the upper sealing surface of breather valve.This prioritization scheme is set
It sets and ensure that the upper sealing surface of breather valve and putting hole keep sealing in test process, guarantee that test is gone on smoothly.
As optimization, the driving tracheae includes the main tracheae being connected to feeder and is mounted on the main tracheae
Three-way switching valve, three-way switching valve are connected to by branch pipe I with the rodless cavity of cylinder I, cylinder II, and three-way switching valve passes through
Branch pipe II is connected to the rod chamber of cylinder I, cylinder II.The setting of this prioritization scheme controls two by three-way switching valve simultaneously
The expanding-contracting action of cylinder, improves the convenience of operation, and then improves testing efficiency.
As optimization, tracheae I and tracheae II are connected to by tracheae III with feeder, are equipped with on-off on the tracheae III
Valve.The setting of this prioritization scheme can control feeder by on-off valve and supply simultaneously into two holding chambers, further mention
The high convenience of operation.
The utility model has the following beneficial effects: positive passability and reversed leakproofness can be carried out to improved breather valve
Test, and two breather valves can be tested simultaneously, improve testing efficiency；By by breather valve be put into holding chamber into
Row test simplifies installation steps, jacks up breather valve by spring after the completion of test, facilitate and take out breather valve.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the breather valve structural schematic diagram of the utility model test；
It is as shown in the figure:
1, cylinder I, 2, three-way switching valve, 3, cylinder II, 4, breather valve, 5, holding chamber II, 6, main tracheae, 7, on-off valve
Door, 8, feeder, 9, push rod, 10, check valve, 11, supporting plate II, 12, supporting plate I, 13, spring, 14, water storage container, 15, water
Pipe, 16, holding chamber I, 17, working plate, 18, pressure head, 19, pressure gauge, 20, upper sealing surface, 21, breather valve thread segment, 22, under
Sealing surface.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
A kind of breathing valve test device as shown in Figure 1, the working plate 17 including feeder 8 and fixed setting, work
The thickness of platen is greater than the axial length of the upper sealing surface of breather valve, and the bottom surface of working plate 17 is connected with four supporting legs, works
Platen is 1 meter apart from ground level, is operated with facilitating.The cylinder I 1 of piston rod straight down is installed on working plate 17
With cylinder II 3, the piston-rod lower end of cylinder I and cylinder II has been respectively and fixedly connected with cylindrical crimp 18, the bottom surface of pressure head 18 it is horizontal and
Right above breather valve, cylinder I 1 and cylinder II 3 are by driving tracheae to be connected to feeder, the feeder of the present embodiment
For the air accumulator filled with high pressure gas, pressure regulator valve is installed on reservoir outlet pipeline.
Mounting hole I, the mounting hole II for being located at cylinder I, II lower section of cylinder, I He of mounting hole are offered on working plate
The side wall of mounting hole II and the upper sealing surface 20 of breather valve are in sealing contact, and are arranged sealing ring on sealing surface on breather valve, with
Improve sealing effect.
The underrun welding manner sealing of working plate 17 is connected with the holding chamber I 16 coaxial with mounting hole I, holding chamber
Back cut diameter is greater than the diameter of mounting hole I, and has inner-cavity structure inside holding chamber I.The inner cavity of holding chamber I 16 includes being connected
Epicoele and cavity of resorption, the epicoele diameter of holding chamber I is greater than cavity of resorption diameter, and epicoele and cavity of resorption pass through chamfered transition, the inclined-plane
It is in sealing contact with the fillet surface of 21 lower end surface of breather valve thread segment.The epicoele of holding chamber I is connected to by tracheae I with feeder.
The cavity of resorption cavity wall of holding chamber I and the lower sealing surface 22 of breather valve 4 are in sealing contact, and cover in breather valve lower sealing surface
If sealing ring, to improve sealing effect.The intracavitary supporting plate I 12 for being equipped with support breather valve bottom surface, supporting plate I 12 under holding chamber I
On offer the venthole of connection epicoele and cavity of resorption, supporting plate I and the bottom wall of holding chamber I pass through spring 13 and connect, and breather valve is placed on
When on supporting plate I, the top surface of outlet valve is higher by working plate 0.5cm, is taken out breather valve with facilitating；Cylinder I pushes down on breathing
When valve, plectane and worktable upper surface are in sealing contact at the top of breather valve, the fillet surface and inclined-plane of 21 lower end surface of breather valve thread segment
It is in sealing contact.
The bottom wall of holding chamber I 16 is also provided with the drainage hole that water storage container 14 is connected to by water pipe 15, water pipe 15 and water storage
The junction of container 14 is lower than the liquid level in water storage container.
The bottom surface of working plate is also connected with the holding chamber II 5 coaxial with mounting hole II by welding manner sealing, places
The inner cavity of room II 5 is identical as the inner cavity of holding chamber I, and the lower section of holding chamber II, which is connected with, to be connected by taking over the cavity of resorption of holding chamber II
Logical check valve 10, the intracavitary supporting plate II 11 for being equipped with support breather valve bottom surface under holding chamber II, the company of offering on supporting plate II 11
The venthole of logical epicoele and cavity of resorption, supporting plate II are connect with the bottom wall of holding chamber II by spring, are equipped with upper end in the adapter tube
With supporting plate II is affixed, lower end is pushed up to the push rod 9 of inner elements of check valve, the one end of the check valve far from adapter tube is by tracheae II and supplies
Device of air connection；The epicoele of holding chamber II is connected to pressure gauge 19 by tracheae.
In order to improve the convenience of operation, the driving tracheae of the present embodiment include the main tracheae 6 being connected to feeder and
The three-way switching valve 2 being mounted on the main tracheae, the rodless cavity that three-way switching valve passes through branch pipe I and cylinder I, cylinder II
Connection, three-way switching valve is connected to by branch pipe II with the rod chamber of cylinder I, cylinder II, by three-way switching valve to cylinder
Flexible switch over.
Tracheae I and tracheae II are connected to by tracheae III with feeder, are equipped with on-off valve 7 on the tracheae III, are led to
Inflation of the on-off valve control to two holding chambers is crossed, is controlled more convenient.It is gentle in tracheae I in order to may be implemented individually to control
Switch valve is respectively set on pipe II.
When test, two breather valves are respectively put into mounting hole I, in mounting hole II, the lower end of breather valve extends to respective place
In the cavity of resorption of holding chamber, and by pallet support.Reversed closure test is carried out in holding chamber I, is carried out in holding chamber II positive logical
Performance test is crossed, three-way switching valve is operated, extends downwardly the piston rod of two cylinders.
After the piston rod of cylinder I stretches out, push down on breather valve, spring compressive deformation, under intracavitary gas be pressurized after edge
Water pipe enters in water storage container, makes to generate bubble in water storage container；After the piston rod of cylinder II stretches out, breather valve is pushed down on,
Spring compressive deformation, push rod open check valve.
After bubble collapse in water storage container, on-off valve, epicoele and holding chamber II of the feeder to holding chamber I are opened
Under intracavitary be passed through gas.After being passed through a period of time, if not occurring bubble in water storage container again, illustrate that breather valve is reversed
Leakproofness is met the requirements, and intracavitary under holding chamber II at this time to have certain pressure, which makes pressure gauge show a certain numerical value.
It is then shut off on-off valve, by the channel of switching three-way conversion valve, retracts the piston rod of two cylinders upwards.
After the piston rod of cylinder I retracts, breather valve is jacked up upwards using the screen resilience of spring, breather valve is taken out.Cylinder II
Piston rod retract after, under the action of recoil of spring power, breather valve and supporting plate II are moved up, closed check valve, observe pressure gauge
Registration whether change, if pressure gauge registration does not change, illustrate that breather valve forward direction passage capacity is good, slowly will breathing
Valve takes out.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above embodiments and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail referring to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that also should belong to the utility model
Seek protection scope.
Claims (7)
1. a kind of breathing valve test device, the working plate (17) including feeder (8) and fixed setting, it is characterised in that:
The cylinder I (1) and cylinder II (3) of piston rod straight down, cylinder I (1) and cylinder II are installed on the working plate (17)
(3) by driving tracheae to be connected to feeder, the installation for being located at cylinder I, II lower section of cylinder is offered on working plate
The upper sealing surface (20) in hole I, mounting hole II, the side wall and breather valve of mounting hole I and mounting hole II is in sealing contact；
The sealing bottom surface of working plate (17) is connected with the holding chamber I (16) coaxial with mounting hole I, the inner cavity of holding chamber I (16)
Including the epicoele and cavity of resorption being connected, the cavity of resorption cavity wall of holding chamber I and the lower sealing surface (22) of breather valve are in sealing contact, and are putting
Set the intracavitary supporting plate I (12) for being equipped with support breather valve bottom surface under room I, offer venthole on supporting plate I (12), supporting plate I with put
The bottom wall for setting room I is connected by spring (13), and the bottom wall of holding chamber I (16), which is also provided with, is connected to water storage container by water pipe (15)
(14) drainage hole, the junction of water pipe (15) and water storage container (14) is lower than the liquid level in water storage container；The epicoele of holding chamber I
It is connected to by tracheae I with feeder；
The bottom surface of working plate, which also seals, is connected with the holding chamber II (5) coaxial with mounting hole II, the inner cavity of holding chamber II (5) with
The inner cavity of holding chamber I is identical, and the lower section of holding chamber II is connected with by taking over the check valve being connected to the cavity of resorption of holding chamber II
(10), intracavitary under holding chamber II to be equipped with the supporting plate II (11) for supporting breather valve bottom surface, venthole is offered on supporting plate II (11),
Supporting plate II is connect with the bottom wall of holding chamber II by spring, be equipped in the adapter tube upper end and supporting plate II is affixed, lower end push up to
The push rod (9) of inner elements of check valve, the one end of the check valve far from adapter tube are connected to by tracheae II with feeder；Holding chamber II
Epicoele pass through tracheae connection pressure gauge (19).
2. a kind of breathing valve test device according to claim 1, it is characterised in that: further include be set in it is close on breather valve
Sealing ring on cover and lower sealing surface.
3. a kind of breathing valve test device according to claim 1, it is characterised in that: the epicoele diameter of holding chamber I is greater than
Cavity of resorption diameter, and epicoele and cavity of resorption, by chamfered transition, the fillet surface on the inclined-plane and breather valve thread segment (21) lower end surface is close
Sealing-in touching.
4. a kind of breathing valve test device according to claim 1, it is characterised in that: the piston rod of cylinder I and cylinder II
Lower end has been respectively and fixedly connected with pressure head.
5. a kind of breathing valve test device according to claim 1, it is characterised in that: the thickness of working plate is greater than breathing
The axial length of the upper sealing surface of valve.
6. a kind of breathing valve test device according to claim 1, it is characterised in that: the driving tracheae includes and gas supply
The main tracheae (6) of device connection and the three-way switching valve (2) being mounted on the main tracheae, three-way switching valve passes through branch pipe
I is connected to the rodless cavity of cylinder I, cylinder II, and three-way switching valve is connected to by branch pipe II with the rod chamber of cylinder I, cylinder II.
7. a kind of breathing valve test device according to claim 6, it is characterised in that: tracheae I and tracheae II pass through tracheae
III is connected to feeder, and on-off valve (7) are equipped on the tracheae III.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920393991.2U CN209387223U (en) | 2019-03-27 | 2019-03-27 | A kind of breathing valve test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920393991.2U CN209387223U (en) | 2019-03-27 | 2019-03-27 | A kind of breathing valve test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209387223U true CN209387223U (en) | 2019-09-13 |
Family
ID=67852396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920393991.2U Expired - Fee Related CN209387223U (en) | 2019-03-27 | 2019-03-27 | A kind of breathing valve test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209387223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464922A (en) * | 2021-07-13 | 2021-10-01 | 烟台卓越新能源科技股份有限公司 | High-level expansion tank with breather valve for electrode boiler |
-
2019
- 2019-03-27 CN CN201920393991.2U patent/CN209387223U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464922A (en) * | 2021-07-13 | 2021-10-01 | 烟台卓越新能源科技股份有限公司 | High-level expansion tank with breather valve for electrode boiler |
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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: 20190913 |