CN215639941U - Tool structure for quick sealing test of pipe fitting - Google Patents
Tool structure for quick sealing test of pipe fitting Download PDFInfo
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- CN215639941U CN215639941U CN202122093436.8U CN202122093436U CN215639941U CN 215639941 U CN215639941 U CN 215639941U CN 202122093436 U CN202122093436 U CN 202122093436U CN 215639941 U CN215639941 U CN 215639941U
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- screw rod
- main screw
- polyurethane rubber
- rubber sleeve
- nut
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Abstract
The utility model discloses a tool structure for quick sealing test of a pipe fitting, which comprises an inner embedded body and an outer sleeve body, wherein the inner embedded body comprises a vertically arranged main screw rod, the top of the main screw rod is provided with a cylindrical head, the main screw rod is in threaded connection with a nut, a section of polyurethane rubber sleeve is sleeved on the main screw rod between the head and the nut, the inner wall of the polyurethane rubber sleeve is attached to the main screw rod, the diameter of the outer wall of the polyurethane rubber sleeve is the same as that of the head, and when the nut moves upwards, the polyurethane rubber sleeve can be extruded to deform, and the bottom of the main screw rod is fixedly connected with a cross rod; the whole outer sleeve body is cylindrical, a round table-shaped through hole is formed in the outer sleeve body, and the main screw rod penetrates through the through hole from the bottom, so that the head and the polyurethane rubber sleeve can be completely positioned in the through hole. The utility model has very simple installation and operation, does not need to seal by a screw head and a plug, does not need to weld a pipe cap, has a certain taper of the through hole, and can effectively prevent the welding end, the embedded body and the outer sleeve body from falling off when the test pressure is increased.
Description
Technical Field
The utility model relates to a sealing test tool, in particular to a tool structure for rapid sealing test of a pipe fitting.
Background
And performing a sealing test after pressing the pipe and the pipe fitting of DN32 and the following models, wherein the water pressure test is 2.5MPa, and the air pressure sealing test is within 1.05 MPa. The existing tightness test and test scene are divided into construction field test and in-factory test.
If a pipe fitting is installed on a construction site to form a whole, when the tightness of a certain section of the whole pipeline needs to be tested, the pipe fitting needs to be sealed by a screw head and a plug, or a sealing cap is directly welded for end face sealing, so that the tightness test can be carried out, and the pipe fitting is dismantled after the tightness test is finished. If the relevant tightness test is carried out inside the factory, the pipe cap must be welded.
All lead to troublesome poeration, work efficiency lower above operation, and along with the increase of pressure, drop easily between pipeline and the test fixture.
Disclosure of Invention
The utility model aims to provide a tool structure for quickly testing the sealing of a pipe fitting, which solves the problems, is simple and efficient in test, is not easy to fall off after being pressed and is used for quickly testing the sealing of the pipe fitting.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a tool structure for a rapid sealing test of a pipe fitting is used for inserting one end of the pipe fitting or a pipe fitting, wherein the end is an insertion end and comprises an inner inlay and an outer sleeve;
the embedded body comprises a vertically arranged main screw rod, a cylindrical head is arranged at the top of the main screw rod, a nut is connected onto the main screw rod in a threaded manner, a section of polyurethane rubber sleeve is sleeved on the main screw rod between the head and the nut, the inner wall of the polyurethane rubber sleeve is attached to the main screw rod, the diameter of the outer wall of the polyurethane rubber sleeve is the same as that of the head, the polyurethane rubber sleeve can be extruded to deform when the nut moves upwards, the polyurethane rubber sleeve resets when the nut moves downwards, and a cross rod is fixedly connected to the bottom of the main screw rod;
the whole outer sleeve body is cylindrical, a round platform-shaped through hole with a small upper part and a big lower part is formed in the outer sleeve body, and the main screw rod penetrates through the through hole from the bottom, so that the head part and the polyurethane rubber sleeve can be completely positioned in the through hole;
the head part is in clearance fit with the inner wall of the insertion end; the diameter of the top of the through hole is in clearance fit with the outer wall of the insertion end.
Preferably, the method comprises the following steps: and a gasket is arranged between the polyurethane rubber sleeve and the nut.
Preferably, the method comprises the following steps: and one side of the outer wall of the nut is also connected with a handle for rotating the nut.
When the sealing test device is used, the whole body can be fixed by directly installing the cross rod through the fixing tool, the insertion end is positioned between the inner inlay and the outer sleeve, and the end, far away from the insertion end, of the pipe and the pipe fitting is connected with the sealing test interface and used for connecting a sealing test device.
Compared with the prior art, the utility model has the advantages that:
1. installation, operation are all very simple, only need insert the end and insert between embedded body and the outer cover, through swivel nut, just can let the polyurethane gum cover warp, block and insert the end, and reverse rotation nut just can relax the polyurethane gum cover, makes the polyurethane gum cover reset, loosens to insert the end, and easy taking off inserts the end. The sealing is not needed to be carried out by a screw head and a plug, and a pipe cap is not needed to be welded, so that a sealing part is not needed to be detached after the test.
2. The through hole in the outer sleeve body is in a truncated cone shape with a small upper part and a big lower part, has certain taper, and can effectively prevent the welding end, the inner sleeve body and the outer sleeve body from falling off in the process of increasing the testing pressure.
3. The test method is simple, can effectively improve the working efficiency and save the working cost, and is particularly used for field installation or maintenance.
Drawings
FIG. 1 is a schematic structural view of the inlay of the present invention;
FIG. 2 is a schematic structural view of the outer casing according to the present invention;
fig. 3 is a schematic structural view of the present invention in use.
In the figure: 1. a main screw rod; 2. a head portion; 3. a polyurethane rubber sleeve; 4. a nut; 5. a handle; 6. a gasket; 7. a cross bar; 8. an outer casing; 9. a through hole; 10. a pipe fitting; 11. an insertion end; 12. a leak tightness test interface.
Detailed Description
The utility model will be further explained with reference to the drawings.
Example 1: referring to fig. 1 to 3, a tooling structure for a rapid sealing test of a pipe fitting is used for inserting one end of a pipe or a pipe fitting 10, the end is an insertion end 11 and comprises an inner inlay and an outer sleeve 8;
the embedded body comprises a vertically arranged main screw rod 1, a cylindrical head 2 is arranged at the top of the main screw rod 1, a nut 4 is connected to the main screw rod 1 in a threaded manner, a section of polyurethane rubber sleeve 3 is sleeved on the main screw rod 1 between the head 2 and the nut 4, the inner wall of the polyurethane rubber sleeve 3 is attached to the main screw rod 1, the diameter of the outer wall of the polyurethane rubber sleeve 3 is the same as that of the head 2, the polyurethane rubber sleeve 3 can be extruded to deform when the nut 4 moves upwards, the polyurethane rubber sleeve 3 resets when the nut 4 moves downwards, and a cross rod 7 is fixedly connected to the bottom of the main screw rod 1;
the outer sleeve body 8 is integrally cylindrical, a truncated cone-shaped through hole 9 with a small upper part and a large lower part is formed in the outer sleeve body, and the main screw rod 1 penetrates through the through hole 9 from the bottom, so that the head part 2 and the polyurethane rubber sleeve 3 can be completely positioned in the through hole 9;
the head part 2 is in clearance fit with the inner wall of the insertion end 11; the diameter of the top of the through hole 9 is in clearance fit with the outer wall of the insertion end 11.
And a gasket 6 is arranged between the polyurethane rubber sleeve 3 and the nut 4. And a handle 5 for rotating the nut 4 is also connected to one side of the outer wall of the nut 4.
The using method of the utility model comprises the following steps:
the first step is as follows: the appropriate inner and outer sleeves 8 are selected according to the size of the insertion end 11 of the pipe fitting 10 to be tested for sealing. Mainly comprises the following steps: the head part 2 is in clearance fit with the inner wall of the insertion end 11; the diameter of the top of the through hole 9 is in clearance fit with the outer wall of the insertion end 11.
The second step is that: then the embedded body is fixed on the fixed tool through the cross rod 7, and the embedded body is guaranteed not to move in the whole testing process.
The third step: the inserting end 11 is sleeved outside the inner inlay, and the inserting end 11 can completely shield the polyurethane rubber sleeve 3.
The fourth step: and then the outer sleeve 8 is sleeved outside the insertion end 11, and the specific position is that the bottom of the outer sleeve 8 can completely shield the bottom of the insertion end 11. The assembled structure is seen in fig. 3.
The fifth step: according to the sealing test experiment required to be carried out, a sealing test interface 12 is connected to one end, far away from the insertion end 11, of the pipe and the pipe fitting 10 and is used for connecting sealing test equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a frock structure of quick sealed test of tubular product pipe fitting for the one end of inserting tubular product or pipe fitting, this end is for inserting the end, its characterized in that: comprises an inner inlay and an outer sleeve;
the embedded body comprises a vertically arranged main screw rod, a cylindrical head is arranged at the top of the main screw rod, a nut is connected onto the main screw rod in a threaded manner, a section of polyurethane rubber sleeve is sleeved on the main screw rod between the head and the nut, the inner wall of the polyurethane rubber sleeve is attached to the main screw rod, the diameter of the outer wall of the polyurethane rubber sleeve is the same as that of the head, the polyurethane rubber sleeve can be extruded to deform when the nut moves upwards, the polyurethane rubber sleeve resets when the nut moves downwards, and a cross rod is fixedly connected to the bottom of the main screw rod;
the whole outer sleeve body is cylindrical, a round platform-shaped through hole with a small upper part and a big lower part is formed in the outer sleeve body, and the main screw rod penetrates through the through hole from the bottom, so that the head part and the polyurethane rubber sleeve can be completely positioned in the through hole;
the head part is in clearance fit with the inner wall of the insertion end; the diameter of the top of the through hole is in clearance fit with the outer wall of the insertion end.
2. The tool structure for the rapid sealing test of the pipe fittings according to claim 1, wherein: and a gasket is arranged between the polyurethane rubber sleeve and the nut.
3. The tool structure for the rapid sealing test of the pipe fittings according to claim 1, wherein: and one side of the outer wall of the nut is also connected with a handle for rotating the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093436.8U CN215639941U (en) | 2021-09-01 | 2021-09-01 | Tool structure for quick sealing test of pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093436.8U CN215639941U (en) | 2021-09-01 | 2021-09-01 | Tool structure for quick sealing test of pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215639941U true CN215639941U (en) | 2022-01-25 |
Family
ID=79905571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122093436.8U Active CN215639941U (en) | 2021-09-01 | 2021-09-01 | Tool structure for quick sealing test of pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215639941U (en) |
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2021
- 2021-09-01 CN CN202122093436.8U patent/CN215639941U/en active Active
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