CN109211465A - A kind of pressure meter three-way connector with detection mouth - Google Patents
A kind of pressure meter three-way connector with detection mouth Download PDFInfo
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- CN109211465A CN109211465A CN201811225797.XA CN201811225797A CN109211465A CN 109211465 A CN109211465 A CN 109211465A CN 201811225797 A CN201811225797 A CN 201811225797A CN 109211465 A CN109211465 A CN 109211465A
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- valve
- channel
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- way
- mouth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a kind of pressure meter three-way connector with detection mouth, including three-way body, the three-way body lower end is provided with air inlet, three-way body upper end is provided with the gas outlet for installing connection pressure gauge, air inlet and air outlet are all made of the barrel shell structure that inner wall is provided with installation screw thread, the side of three-way body is provided with test mouth, test mouth is provided with the insertion tube structure of installation screw thread using outer wall, the air inlet, gas outlet is connected to test mouth by the inner passage inside three-way body, be equipped on the test mouth only allow internally channel be passed through the check valve assembly of air-flow, switch valve module is installed on inner passage between the test mouth and air inlet.Three-way connection of the invention examines the later maintenance of pressure gauge, easy for operation, does not influence the normal operation of air-flow main channel in checkout procedure.
Description
Technical field
The present invention relates to joint assembly technical field, specially a kind of pressure meter three-way connector with detection mouth.
Background technique
Pressure gauge (English name: pressure gauge) refers to using elastic element as sensing element, measures and indicates height
In the instrument of environmental pressure, application is extremely widespread, it almost spreads all industrial flow and scientific research field.Heat distribution pipe network,
The fields such as oil gas transmission, water and air supply system, vehicle maintenance maintenance factory shop are seen everywhere.Especially in industrial stokehold and technology
In measurement process, since the elastic sensing element of mechanical compression table is with very high mechanical strength and equal spies convenient for production
Property, so that mechanical compression table has been more and more widely used.
In use for some time, the detection numerical value of pressure gauge may generate deviation to pressure gauge, and therefore, it is necessary to regularly
Preservation & testing is carried out to pressure gauge, when pressure gauge detects numerical value inaccuracy, needs to replace in time.Since pressure gauge is usually straight
It connects on the by-pass port for being mounted on airflow channel, when detecting to pressure gauge, needs to close the airflow channel of whole equipment,
Pressure gauge can be disassembled, be detected, detected troublesome in poeration.
Summary of the invention
The purpose of the present invention is to provide a kind of pressure meter three-way connector with detection mouth, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of pressure meter three-way connector with detection mouth, including three-way body, the three-way body lower end are provided with air inlet
Mouthful, three-way body upper end is provided with the gas outlet for installing connection pressure gauge, and air inlet and air outlet are all made of inner wall setting
There is the barrel shell structure of installation screw thread, the side of three-way body is provided with test mouth, and test mouth is provided with installation screw thread using outer wall
Insertion tube structure, the air inlet, gas outlet and test mouth be connected to by the inner passage inside three-way body, the test mouth
On be equipped with only allow internally channel be passed through the check valve assembly of air-flow, the inner passage between the test mouth and air inlet
On switch valve module is installed.
Preferably, the check valve assembly includes check-valve body, poppet valve core, compressed spring and retaining ring, described unidirectional
Valve chest is internally provided with valve channel, and check-valve body right end is extended with the first connector for connecting external test facility,
First connector is internally provided with first passage, is additionally provided with centre inside the check-valve body between valve channel and first passage
Channel, the interior sliding of valve channel are provided with the poppet valve core for access between on-off first passage and intermediate channel, poppet valve core side
The valve opening for being connected to access between intermediate channel and valve channel is offered on wall, is fitted with compressed spring inside poppet valve core,
The other end of compressed spring is connect with retaining ring, and the check-valve body left end is extended with second for being coupled with test mouth
Connector, the end for testing mouth are extended with protrusion for compressing retaining ring.
Preferably, active joint component is respectively connected in the air inlet and air outlet.
Preferably, the active joint component includes the connector cylinder being coupled with barrel shell structure, and the outer end of connector cylinder is prolonged
Stretching has a disk, and the outer end face center of cylinder disk offers interior hex slot, and the inside of connector cylinder offers connect corresponding with inner passage
Head channel, is further sleeved with locking nut on the cylinder disk circumference, is also extended on locking nut and compresses an annular for disk inner face
Rib.
Preferably, the switch valve module includes the valve seat, ball valve core and valve body end cap being mounted in inner passage,
Ball valve core is installed in valve seat, valve core channel is offered in ball valve core, sphere valve body-side end is connected with valve rod, valve rod
Outboard end be connected with valve handle, the valve body end cap for limiting valve seat is also fitted on the three-way body.
Preferably, valve seals are provided in the valve body end cap.
Compared with prior art, the beneficial effects of the present invention are: being connect using activity is respectively connected in air inlet and air outlet
Head assembly, when installing pressure gauge, pressure gauge can be rotated around the central axis of active joint component, be conducive to pressure gauge adaptation
The space of installation site also facilitates and is conducive to the disk direction of pressure gauge at the position checked；When the spool of ball valve core is logical
When road is connected with inner passage, entire channel connection, when the valve core channel of ball valve core is staggered with inner passage, entire channel
It closes.Pressure gauge and air-flow main channel can be disconnected at any time, it is convenient to pressure gauge under the operation for not influencing air-flow main channel
Carry out follow-up maintenance inspection；Three-way connection of the invention examines the later maintenance of pressure gauge, easy for operation, checkout procedure
In do not influence the normal operation of air-flow main channel.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pressure meter three-way connector with detection mouth；
Fig. 2 removes the structure after active joint component and check valve assembly for a kind of pressure meter three-way connector with detection mouth
Schematic diagram；
Fig. 3 is a kind of structural schematic diagram of check valve assembly in pressure meter three-way connector with detection mouth；
Fig. 4 is the structural schematic diagram that active joint component is overlooked in a kind of pressure meter three-way connector with detection mouth.
In figure: 1- three-way body, the inner passage 11-, the gas outlet 2-, 3- air inlet, 4- test mouth, and 5- switchs valve module,
51- rotates valve handle, 52- valve rod, 53- valve body end cap, 54- valve seals, 55- valve seat, 56- ball valve core, 6- active joint
Component, 61- connector cylinder, 62- connector channel, 63- locking nut, 64- disks, hex slot in 65-, 7- check valve assembly, 71-
Two connectors, the first connector of 72-, 73- first passage, 74- valve channel, 75- poppet valve core, 76- valve opening, 77- intermediate channel, 78-
Compressed spring, 79- retaining ring, 710- check-valve body.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of pressure meter three-way connector with detection mouth, including
Three-way body 1,1 lower end of three-way body are provided with air inlet 3, and 1 upper end of three-way body is provided with for installing connection pressure
The gas outlet 2 of table, air inlet 3 and gas outlet 2 are all made of the barrel shell structure that inner wall is provided with installation screw thread, the side of three-way body 1
End is provided with test mouth 4, and test mouth 4 is provided with the insertion tube structure of installation screw thread, the air inlet 3, gas outlet 92 using outer wall
It is connected to test mouth 4 by the inner passage 11 inside three-way body 1, being equipped on the test mouth 4 only allows internally to lead to
Road 11 is passed through the check valve assembly 7 of air-flow, is equipped with switch valve on the inner passage 11 between the test mouth 4 and air inlet 3
Component 5.
Wherein, the check valve assembly 7 includes check-valve body 710, poppet valve core 75, compressed spring 78 and retaining ring 79,
The check-valve body 710 is internally provided with valve channel 74, and 710 right end of check-valve body is extended with for connecting external testing
First connector 72 of equipment, the first connector 72 is internally provided with first passage 73, between valve channel 74 and first passage 73
Intermediate channel 77 is additionally provided with inside check-valve body 710, sliding is provided with for on-off first passage 73 in valve channel 74
The poppet valve core 75 of access between intermediate channel 77 offers on 75 side wall of poppet valve core logical for being connected to intermediate channel 77 and valve body
The valve opening 76 of access between road 74 is fitted with compressed spring 78, the other end and retaining ring 79 of compressed spring 78 inside poppet valve core 75
Connection, 710 left end of check-valve body are extended with the second connector 71 for being coupled with test mouth 4, test the end of mouth 4
Portion is extended with the protrusion 41 for compressing retaining ring 79.With after test 4 spinning of mouth, protrusion 41 can compress second connector 71 always
Retaining ring 79, when the first connector 72 is passed through air pressure, check valve assembly 7 can be just connected.
Active joint component 6 is respectively connected on the air inlet 3 and gas outlet 2.
The active joint component 6 includes the connector cylinder 61 being coupled with barrel shell structure, and the outer end of connector cylinder 61 extends
There is a disk 64, the outer end face center of cylinder disk 64 offers interior hex slot 65, and the inside of connector cylinder 61 offers and inner passage 11
Corresponding connector channel 62 is further sleeved with locking nut 63 on 64 circumference of cylinder disk, is also extended with and compresses on locking nut 63
The annular rib of cylinder 64 inner face of disk.Using active joint component 6 is respectively connected on air inlet 3 and gas outlet 2, in installation pressure
When table, pressure gauge can be rotated around the central axis of active joint component 6, be conducive to the space that pressure gauge adapts to installation site,
Also facilitate and be conducive to the disk direction of pressure gauge at the position checked.
Wherein, the switch valve module 5 includes valve seat 55, ball valve core 56 and the valve body being mounted in inner passage 11
End cap 53 is equipped with ball valve core 56 in valve seat 55, and valve core channel, the cooperation of 56 side of sphere valve body are offered in ball valve core 56
It is connected with valve rod 52, the outboard end of valve rod 52 is connected with valve handle 51, is also fitted on the three-way body 1 for limit valve
The valve body end cap 53 of seat 55；Valve seals 54 are provided in the valve body end cap 53.By rotating valve handle 51, ball can be driven
Body spool 56 rotates, and when the valve core channel of ball valve core 56 and the conducting of inner passage 11, ball valve core is worked as in entire channel connection
When 56 valve core channel and inner passage 11 are staggered, entire channel is closed.Pressure gauge and air-flow main channel can be disconnected at any time,
It is convenient that follow-up maintenance inspection is carried out to pressure gauge under the operation for not influencing air-flow main channel.
The working principle of the invention is: being connected to by air inlet 3 with the by-pass port of main air flow passage, is installed on gas outlet 2
There is connection pressure gauge, pressure gauge can be used for detecting the atmospheric pressure value in main air flow passage, after whole equipment runs a period of time,
Usually require to pressure gauge carry out follow-up maintenance inspection, when testing, by switch valve module 5 can with cut-out pressure table with
The connection of main air flow passage, wherein the maximum elastic force of compressed spring 78 in check valve assembly 7 is F, is passed through on the first connector 72
Pressure is the air pressure of T1 (T1 is greater than F), if the display numerical value T2=T1-F of pressure gauge, the numerical value of pressure gauge are accurate.Therefore, originally
The three-way connection of invention examines the later maintenance of pressure gauge, easy for operation, does not influence air-flow main channel in checkout procedure
Normal operation.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of pressure meter three-way connector with detection mouth, including three-way body (1), it is characterised in that: the three-way body (1)
Lower end is provided with air inlet (3), and three-way body (1) upper end is provided with the gas outlet (2) for installing connection pressure gauge, air inlet
(3) and gas outlet (2) are all made of the barrel shell structure that inner wall is provided with installation screw thread, and the side of three-way body (1) is provided with test
Mouth (4), test mouth (4) are provided with the insertion tube structure of installation screw thread, the air inlet (3), gas outlet 92 and test using outer wall
Mouth (4) is connected to by three-way body (1) internal inner passage (11), and only permission is equipped on the test mouth (4) internally
Channel (11) is passed through the check valve assembly (7) of air-flow, described to test on the inner passage (11) between mouth (4) and air inlet (3)
Switch valve module (5) is installed.
2. a kind of pressure meter three-way connector with detection mouth according to claim 1, it is characterised in that: the unidirectional valve group
Part (7) includes check-valve body (710), poppet valve core (75), compressed spring (78) and retaining ring (79), the check-valve body
(710) it is internally provided with valve channel (74), check-valve body (710) right end is extended with for connecting external test facility
One connector (72), the first connector (72) are internally provided with first passage (73), between valve channel (74) and first passage (73)
Check-valve body (710) inside be additionally provided with intermediate channel (77), sliding is provided with for on-off the in valve channel (74)
The poppet valve core (75) of access between one channel (73) and intermediate channel (77) offers on poppet valve core (75) side wall in for being connected to
Between between channel (77) and valve channel (74) access valve opening (76), is fitted with compressed spring (78) inside poppet valve core (75),
The other end of compressed spring (78) is connect with retaining ring (79), check-valve body (710) left end be extended with for test mouth
(4) end of the second connector (71) being coupled, test mouth (4) is extended with the protrusion (41) for compressing retaining ring (79).
3. a kind of pressure meter three-way connector with detection mouth according to claim 1, it is characterised in that: the air inlet
(3) and on gas outlet (2) it is respectively connected with active joint component (6).
4. a kind of pressure meter three-way connector with detection mouth according to claim 3, it is characterised in that: the active joint
Component (6) includes the connector cylinder (61) being coupled with barrel shell structure, and the outer end of connector cylinder (61) is extended with a disk (64), cylinder disk
(64) outer end face center offers interior hex slot (65), and the inside of connector cylinder (61) offers corresponding with inner passage (11)
Connector channel (62) is further sleeved with locking nut (63) on cylinder disk (64) circumference, be also extended on locking nut (63) to
The annular rib of pressure cylinder disk (64) inner face.
5. a kind of pressure meter three-way connector with detection mouth according to claim 1, it is characterised in that: the switch valve group
Part (5) includes valve seat (55), ball valve core (56) and the valve body end cap (53) being mounted in inner passage (11), valve seat (55)
It is inside equipped with ball valve core (56), offers valve core channel in ball valve core (56), sphere valve body (56) side is connected with
Valve rod (52), the outboard end of valve rod (52) are connected with valve handle (51), are also fitted on the three-way body (1) for limiting
The valve body end cap (53) of valve seat (55).
6. a kind of pressure meter three-way connector with detection mouth according to claim 5, it is characterised in that: the valve body end cap
(53) valve seals (54) are provided in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225797.XA CN109211465A (en) | 2018-10-21 | 2018-10-21 | A kind of pressure meter three-way connector with detection mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225797.XA CN109211465A (en) | 2018-10-21 | 2018-10-21 | A kind of pressure meter three-way connector with detection mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109211465A true CN109211465A (en) | 2019-01-15 |
Family
ID=64981062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811225797.XA Pending CN109211465A (en) | 2018-10-21 | 2018-10-21 | A kind of pressure meter three-way connector with detection mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109211465A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551317A (en) * | 2020-06-24 | 2020-08-18 | 新乡市奥联电气设备有限公司 | Verifying attachment of manometer gas tightness |
| CN112857661A (en) * | 2021-01-11 | 2021-05-28 | 宁波旭日温压仪表有限公司 | Two-body sealed pressure gauge |
| CN113665556A (en) * | 2021-07-09 | 2021-11-19 | 江铃汽车股份有限公司 | Device for detecting pressure of brake chamber |
-
2018
- 2018-10-21 CN CN201811225797.XA patent/CN109211465A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551317A (en) * | 2020-06-24 | 2020-08-18 | 新乡市奥联电气设备有限公司 | Verifying attachment of manometer gas tightness |
| CN112857661A (en) * | 2021-01-11 | 2021-05-28 | 宁波旭日温压仪表有限公司 | Two-body sealed pressure gauge |
| CN113665556A (en) * | 2021-07-09 | 2021-11-19 | 江铃汽车股份有限公司 | Device for detecting pressure of brake chamber |
| CN113665556B (en) * | 2021-07-09 | 2022-08-09 | 江铃汽车股份有限公司 | Device for detecting pressure of brake chamber |
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