CN210953244U - Plug for checking seal of steel wire check valve and pressure balance valve - Google Patents
Plug for checking seal of steel wire check valve and pressure balance valve Download PDFInfo
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- CN210953244U CN210953244U CN201921900405.5U CN201921900405U CN210953244U CN 210953244 U CN210953244 U CN 210953244U CN 201921900405 U CN201921900405 U CN 201921900405U CN 210953244 U CN210953244 U CN 210953244U
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- supporting seat
- steel wire
- seal
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Abstract
The utility model discloses an end cap that is used for steel wire single current valve and pressure balance valve to test and seals, include: the base is cylindrical, a first cylindrical channel is arranged in the center of the base, and internal threads are circumferentially arranged on the first cylindrical channel; the supporting seat is cylindrical, is coaxially arranged on the base and is integrally formed with the base, a second cylindrical channel is arranged in the center of the supporting seat, and external threads are circumferentially arranged on the outer side of the supporting seat; wherein the first cylindrical passage is in communication with the second cylindrical passage; the annular groove is arranged at one end of the supporting seat far away from the base; a seal ring disposed within the annular groove. The utility model provides an end cap that is used for steel wire single current valve and pressure balance valve to test to seal for sealing performance inspection work becomes very simple, and a people and a hand pump accomplish the pressure testing task 15 minutes, and the place that does not need to be special goes on moreover, greatly improves work efficiency and reduction operating cost.
Description
Technical Field
The utility model relates to a steel wire single current valve and pressure balance valve test and seal technical field, more specifically, the utility model relates to an end cap that is used for steel wire single current valve and pressure balance valve to test and seals.
Background
The plug is usually tested for sealing performance (pressure test) before being downhole, and most of the sealing performance tests are performed on a pressure balance valve or a check valve. Conventional seal performance tests require a number of conditions to be performed, such as: at least 2-3 operators, air sources, water sources, large-scale pressure test pumps, related special tools, related pressure test tools, sites, related working cylinders and the like normally consume not less than 1 hour, not only consume time and labor, but also cannot be implemented in any sites, and needs to be carried out in special sites (pressure test zones).
SUMMERY OF THE UTILITY MODEL
The utility model relates to a developed an end cap that is used for steel wire single current valve and pressure balance valve to test and seals for sealing performance inspection work becomes very simple, and a people and a hand pump accomplish the pressure testing task 15 minutes, need not special place go on moreover, greatly improves work efficiency and reduction operating cost.
The utility model provides a technical scheme does:
a plug for testing a steel wire check valve and a pressure balance valve comprises:
the base is cylindrical, a first cylindrical channel is arranged in the center of the base, and internal threads are circumferentially arranged on the first cylindrical channel;
the supporting seat is cylindrical, is coaxially arranged on the base and is integrally formed with the base, a second cylindrical channel is arranged in the center of the supporting seat, and external threads are circumferentially arranged on the outer side of the supporting seat;
wherein the first cylindrical passage is in communication with the second cylindrical passage;
the annular groove is arranged at one end of the supporting seat far away from the base;
a seal ring disposed within the annular groove.
Preferably, the method further comprises the following steps:
the joint is coaxially arranged at one end of the supporting seat far away from the base and is integrally formed with the supporting seat, and the annular groove is arranged on the outer circumferential direction of the joint;
a third cylindrical passage disposed in the center of the joint and communicating with the second cylindrical passage;
the outer diameter of the joint is smaller than that of the supporting seat, and the joint is in smooth transition with the outer portion of the supporting seat.
Preferably, the method further comprises the following steps:
the clamping groove is in a ring shape and is arranged on one side, close to the supporting seat, of the base;
the gasket is annular and is arranged in the clamping groove in a matched mode.
Preferably, the diameters of the first cylindrical channel, the second cylindrical channel and the third cylindrical channel-preferably, the outer diameter of the clamping groove is consistent with the outer diameter of the joint.
Preferably, the internal threads are 1/2-14NPT threads.
Preferably, the external threads are 3/4-12UN threads.
Preferably, the outer diameter of the base is 2.528cm, the outer diameter of the supporting seat is 1.748cm, and the outer diameter of the joint is 1.602 cm.
Preferably, the first passage has an inner diameter of 0.71 cm.
Preferably, the total length of the joint and the support seat is 2.173cm, and the total length of the joint, the support seat and the base is 3.35 cm.
Beneficial effect:
the utility model relates to a plug that is used for steel wire single current valve and pressure balance valve to test and seals of development for sealing performance inspection work becomes very simple, and a people and a hand pump accomplish the pressure testing task 15 minutes, need not special place in addition and go on, are particularly suitable for carrying out inspection work at the operation scene fast, greatly improve work efficiency and reduce the operating cost.
Drawings
Fig. 1 is the utility model discloses a structure schematic diagram of an end cap that is used for steel wire single current valve and pressure balance valve to test to seal.
Fig. 2 is the utility model discloses a to ball seat single current valve pressure testing schematic diagram alone.
Fig. 3 is the utility model discloses a to balanced valve pressure testing schematic diagram alone.
Fig. 4 is the utility model discloses to balanced valve + ball seat single current valve combination pressure testing schematic diagram.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, the utility model provides a plug that is used for steel wire single current valve and pressure balance valve to test to seal, include: a base 110 which is cylindrical, a first cylindrical passage 111 is arranged at the center, and an internal thread 112 is arranged on the circumference of the first cylindrical passage 111; a support base 120 which is cylindrical is coaxially and integrally formed with the base 110, a second cylindrical channel 121 is arranged at the center of the support base 120, external threads 122 are circumferentially arranged on the outer side of the support base 120, and the first cylindrical channel 111 is communicated with the second cylindrical channel 121; an annular groove 130 is formed at an end of the support base 120 away from the base 110, and a sealing ring 131 is disposed in the annular groove for sealing when the plug is used.
As another embodiment of the present invention, the present invention further comprises a joint 140 coaxially disposed at one end of the supporting seat 120 far from the base 110 and integrally formed with the supporting seat 120, wherein the annular groove 130 is disposed at the outer circumferential direction of the joint 140; a third cylindrical passage 141 is provided at the center of the joint 140, and the third cylindrical passage 141 communicates with the second cylindrical passage 121; moreover, the outer diameter of the joint 140 is smaller than that of the support seat 120, and the outer portion of the joint 140 is in smooth transition with the outer portion of the support seat 120.
As another embodiment of the present invention, the present invention further includes: a clamping groove 150, which is a circular ring and is arranged at one side of the supporting seat 120 close to the base 110; the clamping groove 150 is internally provided with a gasket 151 in a matched mode, and the gasket 151 is in a circular ring shape and used for fixing the plug well when the plug is used.
As another embodiment of the present invention, the diameters of the first cylindrical passage 111, the second cylindrical passage 121 and the third cylindrical passage 141 are the same. And the outer diameter of the locking groove 150 is identical to the outer diameter of the connector 140.
As another embodiment of the present invention, the internal thread is 1/2-14NPT thread. The external thread is 3/4-12UN thread.
As another embodiment of the utility model, the external diameter of base is 2.528cm, the external diameter of supporting seat is 1.748cm, the external diameter of joint is 1.602 cm. The first channel has an inner diameter of 0.71 cm. The total length of the joint and the support seat is 2.173cm, and the total length of the joint, the support seat and the base is 3.35 cm.
The utility model provides a plug that is used for steel wire check valve and pressure balance valve to test seals both can be alone to the check valve pressure testing (see figure 2) also can be alone to the balance valve pressure testing (see figure 3) can also be to balance valve + check valve assembly pressure testing (see figure 4).
The working principle is as follows:
the working principle of the balance valve is described by taking independent pressure test of the balance valve as an example, the external thread (1-3/4-12NU) of the pressure test plug is connected with the internal thread of the balance valve to be tested, the sealing ring of the pressure test plug is in contact with the sealing surface of the balance valve to form pressure seal, the internal thread (1/2-14NPT) is connected with a pressure test pipeline, and the pressure test pump conveys a pressure test medium (such as clear water) and transmits test pressure to the balance valve through the pressure test pipeline to achieve the aim of testing the sealing performance of the balance valve.
The implementation mode is as follows:
1) the tested balancing valve or check valve or balancing valve + check valve combination is prepared.
2) Connecting the pressure testing plug with the balance valve (the pressure testing plug needs to be twisted in place to ensure the plug sealing ring to be in perfect contact with the sealing surface of the balance valve)
3) And connecting the pressure test pipeline to the pressure test plug (connected with 1/2-14NPT internal threads of the pressure test plug).
4) The hand pressure pump or the pressure test pump is connected to the pressure test pipeline.
5) After the main connection is finished, the operation of checking the sealing performance of the balance valve or the check valve or the combination of the balance valve and the check valve can be started.
The utility model relates to a plug that is used for steel wire single current valve and pressure balance valve to test and seals of development for sealing performance inspection work becomes very simple, and a people and a hand pump accomplish the pressure testing task 15 minutes, need not special place in addition and go on, are particularly suitable for carrying out inspection work at the operation scene fast, greatly improve work efficiency and reduce the operating cost.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a end cap that is used for steel wire single current valve and pressure balance valve to test to seal which characterized in that includes:
the base is cylindrical, a first cylindrical channel is arranged in the center of the base, and internal threads are circumferentially arranged on the first cylindrical channel;
the supporting seat is cylindrical, is coaxially arranged on the base and is integrally formed with the base, a second cylindrical channel is arranged in the center of the supporting seat, and external threads are circumferentially arranged on the outer side of the supporting seat;
wherein the first cylindrical passage is in communication with the second cylindrical passage;
the annular groove is arranged at one end of the supporting seat far away from the base;
a seal ring disposed within the annular groove.
2. The plug for testing the seal of the steel wire check valve and the pressure balance valve as claimed in claim 1, further comprising:
the joint is coaxially arranged at one end of the supporting seat far away from the base and is integrally formed with the supporting seat, and the annular groove is arranged on the outer circumferential direction of the joint;
a third cylindrical passage disposed in the center of the joint and communicating with the second cylindrical passage;
the outer diameter of the joint is smaller than that of the supporting seat, and the joint is in smooth transition with the outer portion of the supporting seat.
3. The plug for testing the seal of the steel wire check valve and the pressure balance valve as claimed in claim 2, further comprising:
the clamping groove is in a ring shape and is arranged on one side, close to the supporting seat, of the base;
the gasket is annular and is arranged in the clamping groove in a matched mode.
4. The plug for the seal verification of the steel wire check valve and the pressure balance valve as claimed in claim 3, wherein the first cylindrical channel, the second cylindrical channel and the third cylindrical channel have the same diameter.
5. The plug for testing the seal of the steel wire check valve and the pressure balance valve as claimed in claim 3 or 4, wherein the outer diameter of the clamping groove is consistent with the outer diameter of the joint.
6. The plug for the check seal of the steel wire check valve and the pressure balance valve as claimed in claim 5, wherein the internal threads are 1/2-14NPT threads.
7. The plug for the seal of the steel wire check valve and the pressure balance valve as claimed in claim 6, wherein the external thread is 3/4-12UN thread.
8. The plug for testing the seal of the steel wire check valve and the pressure balance valve as claimed in claim 2, 3 or 4, wherein the outer diameter of the base is 2.528cm, the outer diameter of the supporting seat is 1.748cm, and the outer diameter of the joint is 1.602 cm.
9. The plug for the seal of steel wire check valves and pressure balance valves as claimed in claim 5, wherein the inner diameter of said first cylindrical channel is 0.71 cm.
10. The plug for testing the seal of the steel wire check valve and the pressure balance valve as claimed in claim 8, wherein the total length of the joint and the support seat is 2.173cm, and the total length of the joint, the support seat and the base is 3.35 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900405.5U CN210953244U (en) | 2019-11-06 | 2019-11-06 | Plug for checking seal of steel wire check valve and pressure balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900405.5U CN210953244U (en) | 2019-11-06 | 2019-11-06 | Plug for checking seal of steel wire check valve and pressure balance valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953244U true CN210953244U (en) | 2020-07-07 |
Family
ID=71397344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921900405.5U Active CN210953244U (en) | 2019-11-06 | 2019-11-06 | Plug for checking seal of steel wire check valve and pressure balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953244U (en) |
-
2019
- 2019-11-06 CN CN201921900405.5U patent/CN210953244U/en active Active
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