CN208833425U - A kind of pressure gauge leakproof, corrosion-proof joint - Google Patents
A kind of pressure gauge leakproof, corrosion-proof joint Download PDFInfo
- Publication number
- CN208833425U CN208833425U CN201821512579.XU CN201821512579U CN208833425U CN 208833425 U CN208833425 U CN 208833425U CN 201821512579 U CN201821512579 U CN 201821512579U CN 208833425 U CN208833425 U CN 208833425U
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- China
- Prior art keywords
- top connection
- pressure gauge
- lower contact
- corrosion
- inner sleeve
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Abstract
The utility model discloses a kind of pressure gauge leakproofs, corrosion-proof joint, including the lower contact component for connecting with Devices to test, top connection component, inner sleeve and plugging sheet for connecting with pressure gauge；Pressure transmission channel is equipped in the lower contact component and top connection component；In the upper end insertion top connection component of the lower contact component；The inner sleeve is set in the upper end of lower contact component, and several outer seepage holes are offered below inner sleeve；The plugging sheet is installed in top connection component, and is located at the upper end of inner sleeve；The plugging sheet is moved up and down according to the pressure change in top connection component, to open or block the pressure transmission channel in top connection component.The utility model has the function of automatic plugging, can effectively block pressure channel, prevents a large amount of leakages of pernicious gas liquid, effectively medium is prevented continuously to ooze out, avoids pernicious gas, the environment that leaks to of liquid pollutes.
Description
Technical field
The utility model relates to pressure gauge connectors, and in particular to a kind of pressure gauge leakproof, corrosion-proof joint.
Background technique
Pressure gauge is mainly used for measuring the pressure of pressure vessel, the gas in pipeline, liquid or steam.
In order to which pressure gauge is installed on Devices to test, it usually needs use jointing.Currently, the pressure of market application
The both ends of power instrument jointing are respectively through type inch screw thread and pipe screw thread, to realize turn of inch screw thread and pipe screw thread
Change connection.
In the actual use of pressure gauge, many chemical pressure gauge internals are easily corroded.In addition, when in Devices to test
Hypertonia when, pressure gauge damage, leakage, easily cause pollution and security risk；In particular for detecting poisonous and harmful Jie
When matter, risk is bigger.
The problem of in order to improve the safety in utilization of pressure gauge, prevent pressure excessive and the security risks such as leakage occur, is anxious
It needs to solve.
Utility model content
The purpose of this utility model is to provide a kind of pressure gauge leakproofs, corrosion-proof joint, when the pressure in Devices to test
When power is excessively high, can channel in automatic plugging connector, the reduction security risk of high degree, improve pressure gauge using safe
Property.
To achieve the above object, the utility model provides the following technical solutions: a kind of pressure gauge leakproof, anti-corrosion connect
Head, including the lower contact component for being connect with Devices to test, the top connection component for being connect with pressure gauge, inner sleeve and
Plugging sheet；
Pressure transmission channel is equipped in the lower contact component and top connection component；
In the upper end insertion top connection component of the lower contact component；
The inner sleeve is set in the upper end of lower contact component, and several outer seepage holes are offered below inner sleeve；
The plugging sheet is installed in top connection component, and is located at the upper end of inner sleeve；The plugging sheet is according to top connection
Pressure change in component and move up and down, to open or block the pressure transmission channel in top connection component.
Further, the liquid of a constant volume is contained in the top connection component, and the highest face of liquid is lower than lower contact
The highest face of component.
Further, the lower contact component includes lower contact and hollow pipe；
The lower contact includes the device junction sequentially coaxially connected from top to bottom, middle part disk, upper disk and top
Disk, and the outer diameter of the middle part disk, upper disk, top disc successively becomes smaller；Perforation is offered in the lower contact
Pressure transmission channel；
The lower end of the hollow pipe is installed in top disc, and the pressure in the inside and lower contact of the hollow pipe passes
Defeated channel connection.
Further, the top disc is connected in one with hollow pipe by mutually matched internal and external screw thread.
Further, the bottom end of the inner sleeve is installed on the outer wall of top disc, and the position of outer seepage hole is slightly above
The top surface of top disc.
Further, the inner sleeve is connected in one with top disc by mutually matched internal and external screw thread.
Further, the plugging sheet is disc structure, and several recirculation holes are offered on plugging sheet.
Further, several recirculation holes are distributed on the same circumference of plugging sheet.
Further, the top connection component includes outer barrel and top connection；
The bottom end of the outer barrel is installed on the outer wall of upper disk；The top of the outer barrel is offered for carrying
The bearing groove of plugging sheet, and the depth of the bearing groove is greater than the thickness of plugging sheet；
The top connection successively offers the first threaded hole and the second threaded hole, and the path of the first threaded hole from top to bottom
Greater than the major diameter of the second threaded hole；The top connection above the first threaded hole and outer barrel by being threadedly coupled, and the first screw thread
The step surface formed between hole and the second threaded hole can be covered in several recirculation holes on plugging sheet.
It further, further include the floating gasket being set on the outside of inner sleeve；The contour dimension of the floating gasket is less than
The interior wide size of outer barrel；The floating gasket is moved up and down according to the pressure change in top connection component, to beat
Open or block recirculation hole.
Compared with prior art, the utility model has the beneficial effects that
(1) when the hypertonia in Devices to test, the utility model is built in the plugging sheet of top connection component according to upper
Pressure change in joint assembly and move up and down, to open or block the pressure transmission channel in top connection component,
The purpose of automatic plugging connector internal channel is realized, high degree reduces security risk, improves the use of pressure gauge
Safety；
(2) the utility model realizes the conduction of pressure size by the liquid of injection, and pernicious gas or liquid has been isolated
It to corrosiveness caused by instrument and meter, while realizing sensitive transmitting pressure, extends the service life of instrument and meter；
(3) the utility model has the function of automatic plugging, can effectively block pressure channel, prevents pernicious gas liquid
A large amount of leakages, effectively prevent medium from continuously oozing out, avoid pernicious gas, the environment that leaks to of liquid pollutes；
(4) the utility model structure is simple, easy to process, and maintains the function of existing product, great use value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of lower contact；
Fig. 3 is the structural schematic diagram of hollow pipe；
Fig. 4 is the structural schematic diagram of inner sleeve；
Fig. 5 is the structural schematic diagram of plugging sheet；
Fig. 6 is the structural schematic diagram of outer barrel；
Fig. 7 is the structural schematic diagram of top connection；
Fig. 8 is the structural schematic diagram of floating gasket；
Fig. 9 is the simplified structure diagram of the utility model；
In figure: 1- device junction, the middle part 2- disk, 3- upper disk, 4- top disc, 5- hollow pipe, 6- inner sleeve, 7-
Outer seepage hole, 8- recirculation hole, 9- plugging sheet, 10- outer barrel, 11- top connection, 12- floating gasket.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: please referring to Fig. 1-8, and the utility model provides a kind of technical solution: a kind of pressure gauge leakproof, anti-
Rotten connector, including lower contact component, the top connection component for being connect with pressure gauge, inner sleeve for being connect with Devices to test
Pipe 6, floating gasket 12 and plugging sheet 9；
The lower contact component includes lower contact and hollow pipe 5；The lower contact includes sequentially coaxially connecting from top to bottom
Device junction 1, middle part disk 2, upper disk 3 and top disc 4, and the middle part disk 2, upper disk 3, top disc
4 outer diameter successively becomes smaller；Along the central axis of lower contact, the pressure transmission channel of perforation is offered in the lower contact；
The hollow pipe 5 is hollow cylindrical structure；The bottom end of the hollow pipe 5 is equipped with external screw thread, the top disc 4
Inside be equipped with internal screw thread；The top disc 4 is connected in one with hollow pipe 5 by mutually matched internal and external screw thread, and empty
The pressure transmission channel opened up in heart pipe 5 and lower contact is coaxial；
The inner sleeve 6 is the hollow cylindrical structure of upper end sealing, bottom end opening, and the lower section of inner sleeve 6 offers
Several outer seepage holes 7；Positioned at the top of outer seepage hole 7, the outer wall of the inner sleeve 6 is equipped with a boss；The bottom of the inner sleeve 6
It holds and is connected in one with the outside wall surface of top disc 4 by mutually matched internal and external screw thread, and the position of outer seepage hole 7 is slightly above
The top surface of top disc 4；
The floating gasket 12 is circular ring structure, and internal diameter is less than the outer diameter of boss, the simultaneously greater than outer diameter of inner sleeve 6；
The floating gasket 12 is set on the outer wall of inner sleeve 6, and is located at the top of boss；
The plugging sheet 9 is disc structure, and 4 recirculation holes 8 are offered on plugging sheet 9；The recirculation hole 8 is distributed in envelope
On the same circumference of blocking film 9；
The top connection component includes outer barrel 10 and top connection 11；The bottom of the outer barrel 10 and upper disk 3
Outside wall surface is connected in one by mutually matched internal and external screw thread；The top of the outer barrel 10 is offered to be blocked for carrying
The bearing groove of piece 9, and the depth of the bearing groove is greater than the thickness of plugging sheet 9；The plugging sheet 9 is placed in bearing groove,
Under the action of gravity, the plugging sheet 9 is bonded the bottom of bearing groove；
The top connection 11 successively offers the first threaded hole and the second threaded hole from top to bottom, and the first threaded hole is small
Diameter is greater than the major diameter of the second threaded hole；The top connection 11 passes through to be threadedly coupled above the first threaded hole and outer barrel 10, and the
The step surface formed between one threaded hole and the second threaded hole can be covered in 4 recirculation holes 8 on plugging sheet 9；
The liquid of a constant volume is contained in the outer barrel 10, and the highest face of liquid is lower than the highest face of hollow pipe 5；
The plugging sheet 9 is moved up and down according to the pressure change in outer barrel 10, to open or connect on blocking
The second threaded hole in first 11 is formed by pressure transmission channel；
The contour dimension of the floating gasket 12 is less than the interior wide size of outer barrel 10；The floating gasket 12 is according to outer cylinder
Pressure change in body 10 and move up and down, to open or block recirculation hole 8；
Pressure inside Devices to test passes sequentially through device junction 1, middle part disk 2, upper disk 3, top disc 4, sky
Heart pipe 5, the outer seepage hole 7 of 6 bottom end of inner sleeve, outer barrel 10, the recirculation hole 8 on plugging sheet 9 and top connection 11 are transmitted.
Machine oil can be selected in the liquid.
Please refer to Fig. 1 and Fig. 9, the working principle of the utility model are as follows:
1) when pressure size is normal:
Pressure in testing container or pipeline passes sequentially through device junction 1, middle part disk 2, upper disk 3, top disc
4, hollow pipe 5, the outer seepage hole 7 of 6 bottom end of inner sleeve, outer barrel 10, the recirculation hole 8 on plugging sheet 9 and top connection 11 are transmitted；
2) when pressure is excessive:
(1) according to connection principle, when the pressure in testing container or pipeline changes, machine oil in inner sleeve 6 along
It is seeped into outer barrel 10 outside outer seepage hole 7；
(2) since the space in outer barrel 10 is certain, when the machine oil in outer barrel 10 gradually increases, in outer barrel 10
Pressure will increase；
(3) after the active force of the lower section of plugging sheet 9 is jacked up, the plugging sheet 9 and the first threaded hole and the second threaded hole
Between the step surface fitting that is formed, 4 recirculation holes 8 on plugging sheet 9 are capped, and the transmission channel in top connection 11 is blocked；Together
When, floating gasket 12 is also jacked up, and is bonded with plugging sheet 9, realizes secondary plugging.
Fig. 1 and Fig. 9 are please referred to, the working process of the utility model is as follows:
(1) the utility model is assemblied in one, and injects proper amount of machine oil；
(2) it is fastenedly connected the detection mouth of device junction 1 and testing container or pipeline is closed；
(3) by pressure gauge with top connection 11 is closed is fastenedly connected；
(4) normal work is put into after opening pressure valve.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that can these embodiments be carried out with a variety of variations, repaired in the case where not departing from the principles of the present invention and spirit
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of pressure gauge leakproof, corrosion-proof joint, it is characterised in that: including the lower contact group for being connect with Devices to test
Part, the top connection component for being connect with pressure gauge, inner sleeve (6) and plugging sheet (9)；
Pressure transmission channel is equipped in the lower contact component and top connection component；
In the upper end insertion top connection component of the lower contact component；
The inner sleeve (6) is set in the upper end of lower contact component, and several outer seepage holes (7) are offered below inner sleeve (6)；
The plugging sheet (9) is installed in top connection component, and is located at the upper end of inner sleeve (6)；The plugging sheet (9) is according to upper
Pressure change in joint assembly and move up and down, to open or block the pressure transmission channel in top connection component.
2. pressure gauge leakproof according to claim 1, corrosion-proof joint, it is characterised in that: in the top connection component
The liquid of a constant volume is contained, and the highest face of liquid is lower than the highest face of lower contact component.
3. pressure gauge leakproof according to claim 2, corrosion-proof joint, it is characterised in that: the lower contact component packet
Include lower contact and hollow pipe (5)；
The lower contact include the device junction (1) sequentially coaxially connected from top to bottom, middle part disk (2), upper disk (3) and
Top disc (4), and the outer diameter of the middle part disk (2), upper disk (3), top disc (4) successively becomes smaller；It is connect under described
The pressure transmission channel of perforation is offered in head；
The lower end of the hollow pipe (5) is installed on top disc (4), and in the inside and lower contact of the hollow pipe (5)
The connection of pressure transmission channel.
4. pressure gauge leakproof according to claim 3, corrosion-proof joint, it is characterised in that: the top disc (4) with
Hollow pipe (5) is connected in one by mutually matched internal and external screw thread.
5. pressure gauge leakproof according to claim 3, corrosion-proof joint, it is characterised in that: the bottom of the inner sleeve (6)
End is installed on the outer wall of top disc (4), and the position of outer seepage hole (7) is slightly above the top surface of top disc (4).
6. pressure gauge leakproof according to claim 5, corrosion-proof joint, it is characterised in that: the inner sleeve (6) and top
Portion's disk (4) is connected in one by mutually matched internal and external screw thread.
7. pressure gauge leakproof according to claim 5, corrosion-proof joint, it is characterised in that: the plugging sheet (9) is circle
Dish structure, and several recirculation holes (8) are offered on plugging sheet (9).
8. pressure gauge leakproof according to claim 7, corrosion-proof joint, it is characterised in that: several recirculation holes (8) are uniformly distributed
In on the same circumference of plugging sheet (9).
9. pressure gauge leakproof according to claim 7, corrosion-proof joint, it is characterised in that: the top connection component packet
Include outer barrel (10) and top connection (11)；
The bottom end of the outer barrel (10) is installed on the outer wall of upper disk (3)；The top of the outer barrel (10) offers
For carrying the bearing groove of plugging sheet (9), and the depth of the bearing groove is greater than the thickness of plugging sheet (9)；
The top connection (11) successively offers the first threaded hole and the second threaded hole, and the path of the first threaded hole from top to bottom
Greater than the major diameter of the second threaded hole；The top connection is threadedly coupled by the first threaded hole and outer barrel (10) top, and first
The step surface formed between threaded hole and the second threaded hole can be covered in several recirculation holes (8) on plugging sheet (9).
10. pressure gauge leakproof according to claim 9, corrosion-proof joint, it is characterised in that: further include being set in inner sleeve
Manage the floating gasket (12) on the outside of (6)；The contour dimension of the floating gasket (12) is less than the interior wide size of outer barrel (10)；Institute
It states floating gasket (12) to move up and down according to the pressure change in top connection component, to open or block recirculation hole
(8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821512579.XU CN208833425U (en) | 2018-09-17 | 2018-09-17 | A kind of pressure gauge leakproof, corrosion-proof joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821512579.XU CN208833425U (en) | 2018-09-17 | 2018-09-17 | A kind of pressure gauge leakproof, corrosion-proof joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833425U true CN208833425U (en) | 2019-05-07 |
Family
ID=66313395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821512579.XU Active CN208833425U (en) | 2018-09-17 | 2018-09-17 | A kind of pressure gauge leakproof, corrosion-proof joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833425U (en) |
-
2018
- 2018-09-17 CN CN201821512579.XU patent/CN208833425U/en active Active
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