CN216112599U - Novel pressure test adapter - Google Patents
Novel pressure test adapter Download PDFInfo
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- CN216112599U CN216112599U CN202122146618.7U CN202122146618U CN216112599U CN 216112599 U CN216112599 U CN 216112599U CN 202122146618 U CN202122146618 U CN 202122146618U CN 216112599 U CN216112599 U CN 216112599U
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- ring
- external screw
- sealing ring
- test adapter
- pressure test
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Abstract
The utility model discloses a novel pressure test adapter, which comprises: conversion nipple joint and crossover sub the one end of conversion nipple joint is provided with the first access connection head that is connected with the pressure testing pump the other end of conversion nipple joint is provided with first exit connection head the outside of first exit connection head is provided with first external screw thread the one end of crossover joint is provided with second access connection head the other end of crossover joint is provided with the second access connection head that is connected with the pressure testing container the inboard of second access connection head is provided with the first internal thread of mutually supporting with first external screw thread the outside of second access connection head is provided with the second external screw thread sliding sleeve is equipped with the pressure cover on the conversion nipple joint the one end inboard that the pressure cover is close to the crossover sub is provided with the second internal thread of mutually supporting with the second external screw thread.
Description
Technical Field
The utility model relates to a body-building device, in particular to a novel pressure test adapter.
Background
Before the pressure vessel leaves a factory, a pressure test experiment needs to be carried out, so that the sealing performance of the pressure vessel is detected. Need use crossover sub in the pressure testing process, current pressure testing crossover sub's structure mainly includes: conversion nipple joint and crossover sub the one end of conversion nipple joint is provided with the first access connection head that is connected with the pressure testing pump the other end of conversion nipple joint is provided with first exit connection head the outside of first exit connection head is provided with first external screw thread the one end of crossover sub is provided with second access connection head the other end of crossover sub is provided with the second access connection head that is connected with the pressure testing container the inboard of second access connection head is provided with the first internal thread of mutually supporting with first external screw thread the outside of second access connection head is provided with the second external screw thread. Because the crossover sub needs frequent change when aiming at different pressure testing containers, sealing failure appears very easily after frequent change between crossover sub and the crossover sub to influence pressure testing detection effect.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the novel pressure test adapter with good sealing performance is provided.
In order to solve the technical problems, the utility model adopts the technical scheme that: a novel pressure testing crossover sub, comprising: the device comprises a conversion short section and a conversion joint, wherein one end of the conversion short section is provided with a first inlet connector connected with a pressure test pump, the other end of the conversion short section is provided with a first outlet connector, the outer side of the first outlet connector is provided with a first external thread, one end of the conversion joint is provided with a second inlet connector, the other end of the conversion joint is provided with a second outlet connector connected with a pressure test container, the inner side of the second inlet connector is provided with a first internal thread matched with the first external thread, the outer side of the second inlet connector is provided with a second external thread, a pressing sleeve is sleeved on the conversion short section in a sliding manner, the inner side of one end, close to the conversion joint, of the pressing sleeve is provided with a second internal thread matched with the second external thread, and a tapered cavity is arranged between the second inlet connector and the first outlet connector, the conical cavity is internally provided with a conical sealing ring which is matched with the conical cavity, and a check ring is slidably sleeved on a first outlet connecting head between one end of the conical sealing ring, which extends out of the conical cavity, and the pressing sleeve.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: a plurality of spring grooves are uniformly arranged in the pressing sleeve along the radial direction, springs matched with the spring grooves are respectively arranged in the spring grooves, one end of each spring is abutted against the pressing sleeve, and the other end of each spring extends out of the spring groove and is abutted against the check ring.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: and a radial plane is arranged at one end of the conical sealing ring extending into the conical cavity.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: and an arc deformable annular cavity is arranged on the inner side of the middle part of the conical sealing ring.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: the conical sealing ring is made of rubber materials.
In order to better solve the technical problems, the utility model adopts the further technical scheme that: an O-shaped sealing ring is arranged between the retainer ring and the first outlet connector.
The utility model has the advantages that: the novel pressure test adapter is novel in structure, a tapered sealing ring is adopted between the adapter and the adapter nipple for sealing, the sealing performance is stronger when the screwing pressure is larger in the process of replacing the connection, the sealing performance between the conversion joint and the conversion short section can be ensured all the time in the process of frequently replacing the conversion joint, the conical sealing ring adopts the plane design on the tip end surface, the middle part of the inner side of the conical sealing ring is provided with an arc-shaped deformable ring cavity, so that the conical sealing ring can adapt to various pressure deformations in the pressing process, the sealing performance is good, the pressing sleeve adopts a plurality of radial springs to press the check ring, the check ring presses the conical sealing ring again, has certain buffering capacity in the screwing process, ensures that the compaction is relatively stable, effectively protects the conical sealing ring, an O-shaped sealing ring is arranged between the retainer ring and the first outlet connector, so that the overall sealing performance of the pressure test adapter can be further improved.
Drawings
Fig. 1 is a schematic structural view of a novel pressure test adapter of the present invention.
Fig. 2 is an enlarged schematic view of the conical sealing ring in fig. 1.
In the figure: 1. conversion nipple joint, 11, first access connection head, 12, first exit linkage head, 13, first external screw thread, 2, crossover sub, 21, second access connection head, 22, second exit linkage head, 23, first internal thread, 24, second external screw thread, 3, pressure cover, 31, second internal thread, 4, tapered cavity, 5, taper seal circle, 51, radial plane, 52, arc flexible ring chamber, 6, retaining ring, 61, O type sealing washer, 7, spring groove, 8, spring.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a novel pressure test adapter comprises: the pressure testing device comprises a conversion short section 1 and a conversion joint 2, wherein one end of the conversion short section 1 is provided with a first inlet connector 11 connected with a pressure testing pump, the other end of the conversion short section 1 is provided with a first outlet connector 12, the outer side of the first outlet connector 12 is provided with a first external thread 13, one end of the conversion joint 2 is provided with a second inlet connector 21, the other end of the conversion joint 2 is provided with a second outlet connector 22 connected with a pressure testing container, the inner side of the second inlet connector 21 is provided with a first internal thread 23 mutually matched with the first external thread 13, the outer side of the second inlet connector 21 is provided with a second external thread 24, a pressure sleeve 3 is slidably sleeved on the conversion short section 1, and the inner side of one end, close to the conversion joint 2, of the pressure sleeve 3 is provided with a second internal thread 31 mutually matched with the second external thread 24, be provided with toper chamber 4 between second entry connection head 21 and the first exit connection head 12 be provided with the taper ring 5 rather than mutually supporting in the toper chamber 4 the sliding sleeve is equipped with retaining ring 6 on the one end that taper ring 5 stretches out toper chamber 4 and the first exit connection head 12 between the pressure cover 3.
As shown in fig. 1, in this example, for more stable pressing, a plurality of spring grooves 7 are uniformly arranged in the pressing sleeve 3 along the radial direction, springs 8 are respectively arranged in the spring grooves 7 and are matched with the spring grooves, one end of each spring 8 abuts against the pressing sleeve 3, and the other end of each spring 8 extends out of the spring groove 7 and abuts against the retaining ring 6.
As shown in fig. 1 and 2, in this example, in order to increase the deformability of the conical sealing ring 5, a radial flat 51 is provided at the end of the conical sealing ring 5 that protrudes into the conical cavity 4.
As shown in fig. 1 and 2, in this example, in order to increase the deformation capacity of the conical sealing ring 5, an arc-shaped deformable ring cavity 52 is arranged on the inner side of the middle part of the conical sealing ring 5.
As shown in fig. 1 and 2, in this example, the taper seal ring 5 is made of a rubber material.
As shown in fig. 1, in this example, an O-ring seal 61 is provided between the retainer ring 6 and the first outlet connection 12 in order to further increase the sealing performance.
During installation, the first inlet connector 11 is connected with a pressure test pump, the second outlet connector 22 is connected with a pressure test container, the pressure sleeve 3 is sleeved on the conversion short section 1, the spring 8 is respectively installed in the spring groove 7, the check ring 6 and the conical sealing ring 5 are sequentially sleeved on the first outlet connector 12 from right to left, the second inlet connector 21 is screwed on the first external thread 13 on the first outlet connector 12 through the first internal thread 23, the second internal thread 31 on the pressure sleeve 3 is screwed on the second external thread 24 outside the second inlet connector 21, the pressure sleeve 3 is screwed rightwards, so that the check ring 6 is pressed rightwards through the spring 8, the conical sealing ring 5 is pressed into the conical cavity 4 rightwards through the check ring 6, and the pressing force of the conical sealing ring 5 is larger as the pressure of the pressure sleeve 3 to the right is larger, and the sealing performance is stronger.
The novel pressure test adapter is novel in structure, a tapered sealing ring is adopted between the adapter and the adapter nipple for sealing, the sealing performance is stronger when the screwing pressure is larger in the process of replacing the connection, the sealing performance between the conversion joint and the conversion short section can be ensured all the time in the process of frequently replacing the conversion joint, the conical sealing ring adopts the plane design on the tip end surface, the middle part of the inner side of the conical sealing ring is provided with an arc-shaped deformable ring cavity, so that the conical sealing ring can adapt to various pressure deformations in the pressing process, the sealing performance is good, the pressing sleeve adopts a plurality of radial springs to press the check ring, the check ring presses the conical sealing ring again, has certain buffering capacity in the screwing process, ensures that the compaction is relatively stable, effectively protects the conical sealing ring, an O-shaped sealing ring is arranged between the retainer ring and the first outlet connector, so that the overall sealing performance of the pressure test adapter can be further improved.
Claims (6)
1. A novel pressure testing crossover sub, comprising: conversion nipple joint (1) and crossover sub (2) the one end of conversion nipple joint (1) is provided with first access connection head (11) that is connected with the pressure testing pump the other end of conversion nipple joint (1) is provided with first exit linkage head (12) the outside of first exit linkage head (12) is provided with first external screw thread (13) the one end of crossover sub (2) is provided with second access connection head (21) the other end of crossover sub (2) is provided with second exit linkage head (22) that is connected with the pressure testing container the inboard of second access linkage head (21) is provided with first internal thread (23) of mutually supporting with first external screw thread (13) the outside of second access linkage head (21) is provided with second external screw thread (24), its characterized in that: sliding sleeve is equipped with pressure cover (3) on conversion nipple joint (1) the one end inboard that pressure cover (3) is close to crossover sub (2) is provided with second internal thread (31) of mutually supporting with second external screw thread (24) be provided with toper chamber (4) between second import connector (21) and first exit linkage head (12) be provided with in toper chamber (4) and mutually support taper seal circle (5) rather than the sliding sleeve is equipped with retaining ring (6) on the one end that taper chamber (4) were stretched out in taper seal circle (5) and the first exit linkage head (12) between pressure cover (3).
2. The novel pressure test adapter according to claim 1, characterized in that: a plurality of spring grooves (7) are uniformly arranged in the pressing sleeve (3) along the radial direction, springs (8) matched with the spring grooves are respectively arranged in the spring grooves (7), one end of each spring (8) is abutted against the pressing sleeve (3), and the other end of each spring (8) extends out of the spring groove (7) and is abutted against the check ring (6).
3. The novel pressure test adapter according to claim 2, characterized in that: and a radial plane (51) is arranged at one end of the conical sealing ring (5) extending into the conical cavity (4).
4. The novel pressure test adapter according to claim 3, characterized in that: an arc deformable ring cavity (52) is arranged on the inner side of the middle part of the conical sealing ring (5).
5. The novel pressure test adapter according to claim 4, characterized in that: the conical sealing ring (5) is made of rubber materials.
6. The novel pressure test adapter according to claim 1, characterized in that: an O-shaped sealing ring (61) is arranged between the retainer ring (6) and the first outlet connector (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122146618.7U CN216112599U (en) | 2021-09-07 | 2021-09-07 | Novel pressure test adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122146618.7U CN216112599U (en) | 2021-09-07 | 2021-09-07 | Novel pressure test adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112599U true CN216112599U (en) | 2022-03-22 |
Family
ID=80731493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122146618.7U Active CN216112599U (en) | 2021-09-07 | 2021-09-07 | Novel pressure test adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216112599U (en) |
-
2021
- 2021-09-07 CN CN202122146618.7U patent/CN216112599U/en active Active
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