CN210398032U - Universal gas-liquid pressure gauge joint - Google Patents
Universal gas-liquid pressure gauge joint Download PDFInfo
- Publication number
- CN210398032U CN210398032U CN201920990664.5U CN201920990664U CN210398032U CN 210398032 U CN210398032 U CN 210398032U CN 201920990664 U CN201920990664 U CN 201920990664U CN 210398032 U CN210398032 U CN 210398032U
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- tube core
- connector
- hole
- meter connector
- pipe
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- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a gas-liquid universal pressure gauge joint, which comprises a gauge joint, a pipe joint and a pipe core; the upper end of the tube core is inserted into a hole of the meter connector, the tube core is in threaded connection with the hole of the meter connector, a step which is propped against the end surface of the meter connector is arranged on the surface of the tube core, and a sealing ring is arranged between the tube core and the meter connector; the lower end of the tube core is inserted into a hole of the tube joint, the hole of the tube joint comprises a large-diameter part and a small-diameter part, and a first conical surface is formed between the large-diameter part and the small-diameter part; a second conical surface attached to the first conical surface is arranged on the surface of the lower end of the tube core; a space is arranged between the bottom surface of the meter connector and the top surface of the pipe connector; the surface of the meter connector is provided with a pressure relief hole communicated with the hole of the meter connector, and a sealing bolt is arranged in the pressure relief hole. The utility model has the characteristics of structural design is reasonable, and the leakproofness is good, and the pressure release is convenient fast, and the security is high.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic pressure spare part, concretely relates to general manometer of gas-liquid connects.
Background
A pipeline is an indispensable structure for fluid transportation, such as transportation of liquid and transportation of gas. A pressure gauge is typically provided on the pipe to measure the pressure within the pipe. When the pressure gauge is installed, a pressure gauge joint is usually connected to the pressure gauge, and then the pressure gauge joint is connected to the joint on the pipeline in a threaded manner. However, the existing pressure gauge joint is low in sealing performance and easy to leak, so that the reading of the pressure gauge is inaccurate, and misleading is caused to workers; in addition, the pressure gauge cannot directly release pressure in the process of replacement, the pressure gauge can only be slowly turned on to release pressure, and if the valve is not tight or has residual pressure, the residual pressure easily stabs eyes of people and pollutes the environment when upwards sprayed out from the joint opening.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned defect, provide a general manometer of gas-liquid connects, structural design is reasonable, and the leakproofness is good, and the pressure release is convenient fast, and the security is high.
The utility model provides a technical scheme that its technical problem adopted as follows:
a gas-liquid universal pressure gauge joint comprises a gauge joint, a pipe joint and a pipe core; the upper end of the tube core is inserted into a hole of the meter connector, the tube core is in threaded connection with the hole of the meter connector, a step which is propped against the end surface of the meter connector is arranged on the surface of the tube core, and a sealing ring is arranged between the tube core and the meter connector; the lower end of the tube core is inserted into a hole of the tube joint, the hole of the tube joint comprises a large-diameter part and a small-diameter part, and a first conical surface is formed between the large-diameter part and the small-diameter part; a second conical surface attached to the first conical surface is arranged on the surface of the lower end of the tube core; a space is arranged between the bottom surface of the meter connector and the top surface of the pipe connector; the surface of the meter connector is provided with a pressure relief hole communicated with the hole of the meter connector, and a sealing bolt is arranged in the pressure relief hole.
Further, the pressure relief hole is positioned above the tube core.
Further, the cover is equipped with spring, compressing blade and sheet rubber on the surface of tube core, spring, compressing blade and sheet rubber all set up between table joint and coupling, and the sheet rubber sets up in the top surface of coupling, and the compressing blade piles up on the sheet rubber, and the one end of spring is connected with the bottom surface that the table connects, and the other end is connected with the compressing blade.
Furthermore, the outer side of the tube core is provided with a sleeve ring, the spring, the pressing sheet and the rubber sheet are all positioned in the sleeve ring, the upper end of the sleeve ring is connected with the meter connector, and the lower end of the sleeve ring is connected with the tube connector.
Further, an installation space for connecting pipe fittings is formed between the outer surface of the lower end of the pipe core and the inside of the pipe joint.
The utility model has the advantages that:
(1) the tube core in the utility model is respectively connected with the meter connector and the tube connector, and has simple structure, reasonable design and convenient assembly and disassembly; a sealing ring is arranged between the tube core and the surface joint, so that the connection tightness is improved, the first conical surface and the second conical surface are tightly attached to realize the firm connection between the tube core and the tube joint, and the tube core has good tightness; the distance is arranged between the bottom surface of the meter joint and the top surface of the pipe joint, so that the utility model is convenient to disassemble and assemble; when the manometer is changed to needs, pull down earlier the blind bolt, because of the manometer and connect between the meter connection sealed, so pressure fluid or gas can not leak, at this moment slowly loosen the manometer, reach the pressure release hole position, if there is the residual pressure will leak from the pressure release hole, the residual pressure can not appear leaking from the manometer hole and hinder people's eye accident, and the pressure release is convenient fast, and the security is high.
(2) The pressure relief hole of the utility model is positioned above the tube core, thereby facilitating the pressure relief.
(3) The utility model discloses preferentially install the coupling and with the tube core, then install the table and connect, when the installation table connects, connect extrusion spring through the table to make the compact heap can firmly fix the sheet rubber on the coupling, the coupling atress this moment, and form relative motion between the tube core, thereby make the tube core more firm with the coupling is connected, further improved the leakproofness.
(4) The utility model discloses a spring, compressing tightly piece and sheet rubber have been protected effectively to the lantern ring, guarantee its life.
(5) The utility model discloses a form the installation space who is used for connecting the pipe fitting between the surface of tube core lower extreme and the inside of coupling, both be convenient for connect the pipe fitting, the medium circulation of being convenient for again.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle adapter of the present invention;
FIG. 3 is a schematic structural diagram of the tube core of the present invention;
fig. 4 is a schematic structural view of the middle pipe joint of the present invention;
wherein: the pressure-relief pipe comprises a meter connector 1, a pressure-relief hole 11, a sealing bolt 12, a pipe connector 2, a large-diameter part 21, a small-diameter part 22, a first conical surface 23, a pipe core 3, a step 31, a second conical surface 32, a sealing ring 4, a spring 5, a pressing sheet 6, a rubber sheet 7 and a lantern ring 8.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
A gas-liquid universal pressure gauge joint comprises a gauge joint 1, a pipe joint 2 and a pipe core 3. The tube core 3 in the embodiment adopts a hose, the meter connector 1 is used for connecting a pressure measuring meter, and the tube connector is used for connecting a pipe fitting. It is noted that the meter connector 1, the pipe connector 2 and the pipe core 3 are provided with coaxial holes for medium circulation.
The upper end of the tube core 3 is inserted into the hole of the meter connector 1, the tube core 3 is in threaded connection with the hole of the meter connector 1, the connection is firm, and the disassembly and the assembly are convenient. The surface of the tube core 3 is provided with a step 31 which is abutted against the end surface of the meter connector 1, a sealing ring 4 is arranged between the tube core 3 and the meter connector 1, and the sealing ring 4 is arranged at the step 31.
The lower end of the tube core 3 is inserted into a hole of the tube joint 2, the hole of the tube joint 2 comprises a large-diameter part 21 and a small-diameter part 22, and a first conical surface 23 is formed between the large-diameter part 21 and the small-diameter part 22; the surface of the lower end of the tube core 3 is provided with a second conical surface 32 attached to the first conical surface 23, the small-diameter part 22 is a light hole, so that part of the second conical surface 32 can be clamped into the small-diameter part 22, firm and sealed connection can be realized, and the large-diameter part 21 is a threaded hole so as to be fixedly connected with a tube; an installation space 9 for connecting pipes is formed between the outer surface of the lower end of the tube core 3 and the inner wall of the large-diameter portion 21 of the pipe joint 1 so as to communicate with the pipes. The surface of the meter connector 1 is provided with a pressure relief hole 11 communicated with the hole on the meter connector 1, the pressure relief hole 11 is positioned above the tube core 3, and a sealing bolt 12 is arranged in the pressure relief hole 11.
A distance is arranged between the bottom surface of the meter connector 1 and the top surface of the pipe connector 3, a lantern ring 8 is arranged on the outer side of the pipe core 3, the upper end of the lantern ring 8 is in threaded connection with the meter connector 1, and the lower end of the lantern ring is in threaded connection with the pipe connector 3, so that a closed cavity is formed among the lantern ring, the meter connector 1 and the pipe connector 3. The cover is equipped with spring 5, compressing blade 6 and sheet rubber 7 on the surface of tube core 3, and spring 5, compressing blade 6 and sheet rubber 7 all are in this airtight cavity and lie in table and connect 1 and coupling 3 between, and sheet rubber 7 sets up in the top surface of coupling 3, and compressing blade 6 piles up on sheet rubber 7, and spring 5's one end is connected with the bottom surface that the table connects 1, and the other end is connected with compressing blade 6. Spring 5, pressing sheet 6 and sheet rubber 7 all are in lantern ring 8, and when connecting table and connect 1, table and connect 1 can extrude spring 5 to exert the effort to pressing sheet 6, compress tightly sheet rubber 7 on coupling 3, this effort makes and takes place relative motion between coupling 3 and the die 2, thereby makes first conical surface 23 and second conical surface 32 closely laminate, and in this embodiment, part second conical surface 32 card goes into in small-bore portion 22, thereby realizes firm connection and good leakproofness.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (5)
1. The utility model provides a general manometer of gas-liquid connects which characterized in that: comprises a meter connector, a pipe connector and a pipe core;
the upper end of the tube core is inserted into a hole of the meter connector, the tube core is in threaded connection with the hole of the meter connector, a step which is propped against the end surface of the meter connector is arranged on the surface of the tube core, and a sealing ring is arranged between the tube core and the meter connector;
the lower end of the tube core is inserted into a hole of the tube joint, the hole of the tube joint comprises a large-diameter part and a small-diameter part, and a first conical surface is formed between the large-diameter part and the small-diameter part; a second conical surface attached to the first conical surface is arranged on the surface of the lower end of the tube core;
a space is arranged between the bottom surface of the meter connector and the top surface of the pipe connector;
the surface of the meter connector is provided with a pressure relief hole communicated with the hole of the meter connector, and a sealing bolt is arranged in the pressure relief hole.
2. The universal gas-liquid pressure gauge joint of claim 1, wherein: the pressure relief hole is positioned above the tube core.
3. The universal gas-liquid pressure gauge joint of claim 1, wherein: the pipe core is sleeved with a spring, a pressing sheet and a rubber sheet on the surface, the spring, the pressing sheet and the rubber sheet are all arranged between the meter connector and the pipe connector, the rubber sheet is arranged on the top surface of the pipe connector, the pressing sheet is stacked on the rubber sheet, one end of the spring is connected with the bottom surface of the meter connector, and the other end of the spring is connected with the pressing sheet.
4. A universal gas-liquid pressure tap according to claim 3, wherein: the outer side of the tube core is provided with a lantern ring, the spring, the pressing sheet and the rubber sheet are all arranged in the lantern ring, the upper end of the lantern ring is connected with the meter connector, and the lower end of the lantern ring is connected with the tube connector.
5. The universal gas-liquid pressure gauge joint of claim 1, wherein: an installation space for connecting pipe fittings is formed between the outer surface of the lower end of the pipe core and the inner part of the pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990664.5U CN210398032U (en) | 2019-06-27 | 2019-06-27 | Universal gas-liquid pressure gauge joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990664.5U CN210398032U (en) | 2019-06-27 | 2019-06-27 | Universal gas-liquid pressure gauge joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210398032U true CN210398032U (en) | 2020-04-24 |
Family
ID=70351424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990664.5U Active CN210398032U (en) | 2019-06-27 | 2019-06-27 | Universal gas-liquid pressure gauge joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210398032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200005225A1 (en) * | 2022-03-17 | 2023-09-17 | Ar Tex S P A | SEAL RING AND CONNECTION SYSTEM |
-
2019
- 2019-06-27 CN CN201920990664.5U patent/CN210398032U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200005225A1 (en) * | 2022-03-17 | 2023-09-17 | Ar Tex S P A | SEAL RING AND CONNECTION SYSTEM |
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