CN209783823U - Quick connector for leakage detection - Google Patents
Quick connector for leakage detection Download PDFInfo
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- CN209783823U CN209783823U CN201920530690.XU CN201920530690U CN209783823U CN 209783823 U CN209783823 U CN 209783823U CN 201920530690 U CN201920530690 U CN 201920530690U CN 209783823 U CN209783823 U CN 209783823U
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- air inlet
- joint
- quick connector
- connector
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Abstract
The utility model relates to a quick joint for leakage detection, which comprises a joint main body with a containing cavity therein, wherein an air inlet joint is arranged at one end of the joint main body; the joint body comprises a mounting cover and a shell; a piston which is connected with an air inlet joint and is provided with a ventilation channel in the middle is arranged in the accommodating cavity; the piston is movably arranged in the accommodating cavity; the piston clamp is established the air inlet joint outside, the piston inner wall is equipped with the butt lug, the butt lug with be equipped with the section sealed pad between the air inlet joint. The utility model has the advantages that: (1) the pipe fitting is compressed by gas pressure, so that the spring is prevented from popping up due to overlarge pressure, and potential safety hazards are reduced; (2) the spring is arranged in the shell, the internal structure of the joint is not exposed, and the attractiveness of the joint is improved; (3) the influence on the spring due to environmental change is reduced, and the service life of the spring is prolonged.
Description
Technical Field
The utility model relates to a pipeline quick-operation joint, in particular to quick-operation joint for gas leakage detects.
Background
In actual production, when a pipeline needs to be subjected to water leakage detection after gas filling or is stored by gas pressurization, a quick connector is usually needed. In particular, in the field of air conditioning, refrigerators, and the like of household electric products, it is necessary to fill liquid, gas, or the like into the interior of the products as functional components, and therefore, it is necessary to detect leakage of these components, and to connect a pipe fitting to an inflator using a quick connector, and to inflate the pipe fitting for detection. In the prior art, a hand-operated quick connector is generally used, a handle is operated to open an inserted pipe fitting, and then the handle is operated to compress the pipe fitting for detection. When the handle presses the pipe fitting tightly, the quick connector cannot judge whether the pipe fitting is pressed in place, and if the pipe fitting is not pressed in place, air leakage or sudden separation can occur in the process of increasing air pressure, so that the danger is extremely high.
the existing pipeline quick connector is usually an opening at one end cover, the other end of the existing pipeline quick connector is an inflation inlet, a spring is usually used for compressing when compressing, when the pressure of gas in the connector is too large, the compression force of the spring is insufficient, so that the connector has certain limitation when being used, the application range is small, and the pipeline quick connector is inconvenient to popularize and use.
Disclosure of Invention
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a high-speed joint of good performance and suitability are strong, can use widely.
The technical proposal of the utility model for solving the technical problem is that:
A quick connector for leakage detection comprises a connector main body, wherein an accommodating cavity is formed in the connector main body, and an air inlet connector is arranged at one end of the connector main body; the joint body comprises a mounting cover and a shell; a piston which is connected with an air inlet joint and is provided with a ventilation channel in the middle is arranged in the accommodating cavity; the piston is movably arranged in the accommodating cavity; the piston clamp is established the air inlet joint outside, the piston inner wall is equipped with the butt lug, the butt lug with be equipped with the section sealed pad between the air inlet joint.
Furthermore, the top end of the shell is connected with an end cover through threads, and a piston spring is arranged on the inner side of the end cover.
Furthermore, a locking part is arranged in the accommodating cavity, and a ventilation channel is communicated between the locking part and the air inlet joint.
Furthermore, the locking part comprises a plurality of clamping blocks and clamping block mounting seats which are axially distributed on the outer side of the air inlet joint.
Furthermore, the top end of the piston is provided with a step surface, the first step surface abuts against the end cover, and the second step surface abuts against the piston spring.
Furthermore, the outer surfaces of the upper end and the lower end of the clamping block are provided with clamping block inclined planes, the inner surface of the upper end of the mounting cover is provided with a first inclined plane, the upper end of the clamping block mounting seat is provided with a second inclined plane, and the clamping block inclined planes are respectively in butt connection with the first inclined plane and the second inclined plane.
Furthermore, the side surfaces of the clamping blocks are provided with spring grooves, telescopic springs are arranged in the spring grooves, and adjacent clamping blocks are connected through the telescopic springs.
Furthermore, an installation cover anti-skid ring is arranged between the installation cover and the shell.
Further, the end cover is a hollow shell with one open end.
Furthermore, the end cover is a hollow shell with an opening at one end and an adapter at the other end, and the adapter is connected with an inflation connector.
The pipe fitting is inserted between the locking spaces formed by the clamping blocks and the air inlet joint and is propped against the abutting convex blocks on the piston.
When the pipe fitting is not in an operating state, the clamping blocks are pushed by the clamping block seat and the end cover to be mutually gathered and locked, and the pipe fitting cannot be inserted; when the detection is needed, the pressing rod is pressed down, the clamping blocks are separated from each other respectively, the pipe fitting is inserted into the abutting convex block of the piston, the pressing rod is released, and the piston is reset through the spring. Fill into gas, the gas that holds the intracavity produces outside pressure to the butt lug on the piston, with piston outwards pressure, the piston promotes the outside extrusion of clamp splice mount pad, and the inclined plane of clamp splice mount pad produces pressure to the clamp splice inclined plane, because this pressure is the slope for the clamp splice compresses tightly the pipe fitting on the connector that admits air.
The utility model has the advantages that: (1) the pipe fitting is compressed by gas pressure, so that the limitation caused by spring pressure is avoided, and the pipe fitting has good performance, wide application range and strong applicability; (2) the spring is arranged in the shell, the internal structure of the joint is not exposed, and the attractiveness of the joint is improved; (3) the influence on the spring due to environmental change is reduced, and the service life of the spring is prolonged.
Drawings
FIG. 1 is a partial sectional view of embodiment 1.
FIG. 2 is a partial sectional view of embodiment 2.
The attached drawings are marked with: 1. air inlet joint, 2, installation lid, 3, casing, 4, end cover, 5, piston spring, 6, piston, 7, clamp splice, 8, clamp splice mount pad, 9, piston position circle, 10, the section sealed pad, 11, installation lid antiskid circle, 12, adapter, 13, inflation joint, 14, handle, 201, first inclined plane, 601, butt lug, 602, first step face, 603, second step face, 701, clamp splice inclined plane, 801, second inclined plane.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A quick connector for leakage detection comprises a connector main body, wherein an accommodating cavity is formed in the connector main body, and an air inlet connector 1 is arranged at one end of the connector main body; the joint main body comprises a mounting cover 2 and a shell 3; a piston 5 which is connected with the air inlet joint 1 and is provided with a ventilation channel in the middle is arranged in the accommodating cavity; the piston 6 is movably arranged in the accommodating cavity; the piston 6 is clamped outside the air inlet joint 1, an abutting convex block 601 is arranged on the inner wall of the piston 6, and a section sealing gasket 10 is arranged between the abutting convex block 601 and the air inlet joint 1. The gas filled in the accommodating cavity pushes the abutting convex block 601 outwards, so that the piston 6 is pushed to move outwards, and the pipe fitting is pressed.
In this embodiment, the top end of the housing 3 is connected with an end cover 4 through a thread, and a piston spring 5 is arranged on the inner side of the end cover 4.
In this embodiment, a locking portion is disposed in the accommodating cavity, and a ventilation channel is communicated between the locking portion and the air inlet joint 1.
In this embodiment, the locking portion includes a piston 6 connected to the air inlet joint 1 and having a ventilation channel in the middle, a plurality of clamping blocks 7 axially distributed outside the air inlet joint, and a clamping block mounting seat 8.
In this embodiment, a step surface is disposed at the top end of the piston 6, the first step surface 602 abuts against the end cover 4, and the second step surface 603 abuts against the piston spring 5.
In this embodiment, the outer surfaces of the upper and lower ends of the clamping block 7 are provided with clamping block slopes 701, the inner surface of the upper end of the mounting cover 1 is provided with a first slope 201, the upper end of the clamping block mounting seat 8 is provided with a second slope 801, and the clamping block slopes 701 are respectively connected with the first slope 201 and the second slope 801 in an abutting mode. When the clamping block mounting seat 8 moves outwards, thrust is generated on the clamping block 7, and the clamping block mounting seat 8 and the clamping block 7 are connected through the inclined plane, so that the thrust is perpendicular to the inclined plane outwards, and the clamping block 7 is pushed outwards and towards the center of the joint.
In this embodiment, a spring groove 702 is formed in a side surface of each clamping block 7, a telescopic spring is installed in each spring groove 702, and adjacent clamping blocks 7 are connected through the telescopic springs.
In this embodiment, an anti-slip ring 11 is disposed between the mounting cover 1 and the housing 2.
In this embodiment, the end cap 4 is a hollow shell with an opening at one end.
The pipe fitting is inserted between the locking spaces formed by the clamping blocks and the air inlet joint and is propped against the abutting convex blocks on the piston.
When the pipe fitting is not in an operating state, the clamping blocks are pushed by the clamping block seat and the end cover to be mutually gathered and locked, and the pipe fitting cannot be inserted; when the detection is needed, the pressing rod is pressed down, the clamping blocks are separated from each other respectively, the pipe fitting is inserted into the abutting convex block of the piston, the pressing rod is released, and the piston is reset through the spring. The gas is filled from the gas inlet joint, the gas is gathered at the top of the containing cavity, the gas is continuously filled, the pressure of the gas in the containing cavity is overlarge, outward pressure is generated on the abutting convex block on the piston, the piston is pressed outwards, the piston pushes the clamping block mounting seat to extrude outwards, the inclined surface of the clamping block mounting seat generates pressure on the inclined surface of the clamping block, and the clamping block presses the pipe fitting on the gas inlet joint due to the inclined pressure.
Example 2
A quick connector for leakage detection comprises a connector main body, wherein an accommodating cavity is formed in the connector main body, and an air inlet connector 1 is arranged at one end of the connector main body; the joint main body comprises a mounting cover 2 and a shell 3; a piston 5 which is connected with the air inlet joint 1 and is provided with a ventilation channel in the middle is arranged in the accommodating cavity; the piston 6 is movably arranged in the accommodating cavity; the piston 6 is clamped outside the air inlet joint 1, an abutting convex block 601 is arranged on the inner wall of the piston 6, and a section sealing gasket 10 is arranged between the abutting convex block 601 and the air inlet joint 1. The gas filled in the accommodating cavity pushes the abutting convex block 601 outwards, so that the piston 6 is pushed to move outwards, and the pipe fitting is pressed.
In this embodiment, the top end of the housing 3 is connected with an end cover 4 through a thread, and a piston spring 5 is arranged on the inner side of the end cover 4.
In this embodiment, a locking portion is disposed in the accommodating cavity, and a ventilation channel is communicated between the locking portion and the air inlet joint 1.
In this embodiment, the locking portion includes a piston 6 connected to the air inlet joint 1 and having a ventilation channel in the middle, a plurality of clamping blocks 7 axially distributed outside the air inlet joint, and a clamping block mounting seat 8.
In this embodiment, a step surface is disposed at the top end of the piston 6, the first step surface 602 abuts against the end cover 4, and the second step surface 603 abuts against the piston spring 5.
In this embodiment, the outer surfaces of the upper and lower ends of the clamping block 7 are provided with clamping block slopes 701, the inner surface of the upper end of the mounting cover 1 is provided with a first slope 201, the upper end of the clamping block mounting seat 8 is provided with a second slope 801, and the clamping block slopes 701 are respectively connected with the first slope 201 and the second slope 801 in an abutting mode. When the clamping block mounting seat 8 moves outwards, thrust is generated on the clamping block 7, and the clamping block mounting seat 8 and the clamping block 7 are connected through the inclined plane, so that the thrust is perpendicular to the inclined plane outwards, and the clamping block 7 is pushed outwards and towards the center of the joint.
In this embodiment, a spring groove 702 is formed in a side surface of each clamping block 7, a telescopic spring is installed in each spring groove 702, and adjacent clamping blocks 7 are connected through the telescopic springs.
In this embodiment, an anti-slip ring 11 is disposed between the mounting cover 1 and the housing 2.
In this embodiment, the end cover 4 is a hollow shell with an opening at one end and an adapter 12 at the other end, and the adapter 12 is connected with an inflation connector 13 through a threaded connection.
The pipe fitting is inserted between the locking spaces formed by the clamping blocks and the air inlet joint and is propped against the abutting convex blocks on the piston.
When the pipe fitting is not in an operating state, the clamping blocks are pushed by the clamping block seat and the end cover to be mutually gathered and locked, and the pipe fitting cannot be inserted; when the detection is needed, the pressing rod is pressed down, the clamping blocks are separated from each other respectively, the pipe fitting is inserted into the abutting convex block of the piston, the pressing rod is released, and the piston is reset through the spring. The gas is filled from the gas charging joint, the filled gas generates outward pressure on the abutting convex block on the piston, the piston is pressed outwards, the piston pushes the clamping block mounting seat to extrude outwards, the inclined surface of the clamping block mounting seat generates pressure on the inclined surface of the clamping block, and the clamping block enables the pipe fitting to be tightly pressed on the gas inlet joint due to the inclined pressure.
The advantage of this embodiment is (1) to compress tightly the pipe fitting through gas pressure, prevent the spring from popping up because of too big pressure, reduce the potential safety hazard; (2) the spring is arranged in the shell, the internal structure of the joint is not exposed, and the attractiveness of the joint is improved; (3) the influence on the spring due to environmental change is reduced, and the service life of the spring is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A quick connector for leakage detection comprises a connector main body, wherein an accommodating cavity is formed in the connector main body, and an air inlet connector is arranged at one end of the connector main body; the joint body comprises a mounting cover and a shell; a piston which is connected with an air inlet joint and is provided with a ventilation channel in the middle is arranged in the accommodating cavity; the piston is movably arranged in the accommodating cavity; the method is characterized in that: the piston clamp is established the air inlet joint outside, the piston inner wall is equipped with the butt lug, the butt lug with be equipped with the section sealed pad between the air inlet joint.
2. The quick connector for leak testing of claim 1, wherein: the top end of the shell is connected with an end cover through threads, and a piston spring is arranged on the inner side of the end cover.
3. The quick connector for leak testing of claim 1, wherein: the containing cavity is also internally provided with a locking part, and a ventilation channel is communicated between the locking part and the air inlet joint.
4. The quick connector for leak testing of claim 3, wherein: the locking part comprises a plurality of clamping blocks and clamping block mounting seats which are axially distributed on the outer side of the air inlet joint.
5. The quick connector for leak testing of claim 1, wherein: the piston top is equipped with the step face, and first step face and end cover counterbalance, and the second step face and piston spring counterbalance.
6. The quick connector for leak testing of claim 4, wherein: the clamp block mounting seat is characterized in that clamp block inclined planes are arranged on the outer surfaces of the upper end and the lower end of the clamp block, a first inclined plane is arranged on the inner surface of the upper end of the mounting cover, a second inclined plane is arranged at the upper end of the clamp block mounting seat, and the clamp block inclined planes are respectively in butt connection with the first inclined plane and the second inclined plane.
7. The quick connector for leak testing of claim 4, wherein: the side surfaces of the clamping blocks are provided with spring grooves, telescopic springs are arranged in the spring grooves, and adjacent clamping blocks are connected through the telescopic springs.
8. The quick connector for leak testing of claim 1, wherein: and an anti-skid ring for the mounting cover is arranged between the mounting cover and the shell.
9. The quick connector for leak testing of claim 2, wherein: the end cover is a hollow shell with one open end.
10. The quick connector for leak testing of claim 2, wherein: the end cover is a hollow shell with an opening at one end and an adapter at the other end, and the adapter is connected with an inflation connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530690.XU CN209783823U (en) | 2019-04-18 | 2019-04-18 | Quick connector for leakage detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530690.XU CN209783823U (en) | 2019-04-18 | 2019-04-18 | Quick connector for leakage detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209783823U true CN209783823U (en) | 2019-12-13 |
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ID=68803142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920530690.XU Active CN209783823U (en) | 2019-04-18 | 2019-04-18 | Quick connector for leakage detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209783823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178327A (en) * | 2020-10-21 | 2021-01-05 | 格力电器（武汉）有限公司 | Pipe fitting connector |
| CN112628490A (en) * | 2020-12-14 | 2021-04-09 | 加西贝拉压缩机有限公司 | Bidirectional sealing quick joint |
-
2019
- 2019-04-18 CN CN201920530690.XU patent/CN209783823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178327A (en) * | 2020-10-21 | 2021-01-05 | 格力电器（武汉）有限公司 | Pipe fitting connector |
| CN112628490A (en) * | 2020-12-14 | 2021-04-09 | 加西贝拉压缩机有限公司 | Bidirectional sealing quick joint |
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