CN215374370U - Metal pipe wall detection device - Google Patents
Metal pipe wall detection device Download PDFInfo
- Publication number
- CN215374370U CN215374370U CN202121829366.1U CN202121829366U CN215374370U CN 215374370 U CN215374370 U CN 215374370U CN 202121829366 U CN202121829366 U CN 202121829366U CN 215374370 U CN215374370 U CN 215374370U
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- metal pipe
- pressing plate
- air
- detection device
- connecting column
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Abstract
The utility model discloses a metal pipe wall detection device which comprises a pressing plate, a supporting plate, a plug and a downward pressing driving mechanism for driving the pressing plate to press downward, wherein the plug is arranged on the pressing plate, a metal pipe is arranged between the pressing plate and the supporting plate, the upper end and the lower end of the metal pipe are respectively provided with a sealing washer, and the sealing washers are provided with positioning convex rings matched with the inner wall of the metal pipe; the end cap is provided with a connecting column, the pressing plate is provided with a connecting hole matched with the connecting column, the outer side wall of the connecting column is outwards protruded in the circumferential direction to form a circle of limiting convex rings to limit the separation of the end cap and the pressing plate, the end cap is provided with an air hole, the air hole is communicated with an air pipe, and the air pipe is communicated with an air pump. The utility model can seal the two ends of the metal tube, and can detect the metal tube.
Description
Technical Field
The utility model belongs to the technical field of pipe detection, and particularly relates to a metal pipe wall detection device.
Background
After the metal pipe is extruded out, the phenomenon that fine holes are generated due to production technology, collision and the like is inevitable, so that the quality of the metal pipe is unqualified, and the traditional method for detecting the tightness of the metal pipe adopts a water immersion or oil immersion visual bubble method to detect the air tightness of the pipe under a pressure maintaining state. Whether the metal tube has a leak or not is judged according to whether bubbles appear in the observation water, a large amount of water resources need to be wasted, and when other interference factors exist in the detection water body, bubbles can be generated to influence the detection accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a metal pipe wall detection device, which can detect a metal pipe by sealing two ends of the metal pipe.
In order to solve the technical problems, the utility model adopts a technical scheme that: a metal pipe wall detection device comprises a pressing plate, a supporting plate, a plug and a downward pressing driving mechanism for driving the pressing plate to press downward, wherein the plug is installed on the pressing plate, a metal pipe is arranged between the pressing plate and the supporting plate, the upper end and the lower end of the metal pipe are respectively provided with a sealing washer, and the sealing washers are provided with positioning convex rings matched with the inner wall of the metal pipe;
the plug is provided with a connecting column, the pressing plate is provided with a connecting hole matched with the connecting column, the outer side wall of the connecting column protrudes outwards in the circumferential direction to form a circle of limiting convex ring to prevent the plug from being separated from the pressing plate, the plug is provided with an air hole, the air hole is communicated with an air pipe, and the air pipe is communicated with an air pump;
the supporting plate is provided with a positioning hole, the bottom surface of the positioning hole is provided with an annular gasket, the positioning hole is communicated with a water pipe, and the water pipe is communicated with the water tank.
Furthermore, the pressing driving mechanism comprises two lead screws, the two lead screws are respectively positioned at two sides of the metal tube, the lower ends of the lead screws are rotatably connected to the supporting plate, and the upper ends of the lead screws penetrate through the pressing plate to be connected with the handle.
Furthermore, the outer side wall of the limiting convex ring is an inclined surface, and the inclined direction of the inclined surface gradually inclines towards the center of the connecting column along the direction that the connecting column is inserted into the connecting hole.
Furthermore, the outer side wall of the positioning convex ring is provided with a guide arc surface.
Furthermore, the air pipe is provided with an air pressure valve.
Furthermore, a water pump and an electromagnetic valve are arranged on the water pipe.
Further, the sealing washer is a rubber washer.
The utility model has the following beneficial effects:
the utility model comprises a pressing plate, a supporting plate, a plug and a downward pressing driving mechanism for driving the pressing plate to press downward, wherein the plug is arranged on the pressing plate, a metal pipe is arranged between the pressing plate and the supporting plate, sealing washers are respectively arranged at the upper end and the lower end of the metal pipe, each sealing washer is provided with a positioning convex ring matched with the inner wall of the metal pipe, the sealing washers are fixed at the two ends of the metal pipe through the positioning convex rings, and the downward pressing driving mechanism presses the two ends of the metal pipe tightly, so that the two ends of the metal pipe are sealed for air tightness test, and the detection accuracy is ensured;
the plug is provided with an air hole which is communicated with an air pipe, the air pipe is communicated with an air pump, the supporting plate is provided with a positioning hole, the positioning hole is communicated with a water pipe, the water pipe is communicated with a water tank, water only needs to be introduced into the pipe, the outer surface of the metal pipe is pressurized by the air pump, the presence or absence of water is observed, the metal pipe can be detected, and the water for detection is reduced;
the plug is provided with the connecting column, the pressing plate is provided with the connecting hole matched with the connecting column, the outer side wall of the connecting column protrudes outwards in the circumferential direction to form a circle of limiting convex ring to limit the separation of the plug and the pressing plate, the outer side wall of the limiting convex ring is an inclined surface, the inclined direction of the inclined surface is gradually inclined towards the center of the connecting column along the direction of inserting the connecting column into the connecting hole, and the connecting column can be conveniently inserted into the connecting hole.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the sealing gasket of the present invention;
the parts in the drawings are marked as follows:
the device comprises a pressing plate 1, a supporting plate 2, a positioning hole 21, a gasket 22, a plug 3, a connecting column 31, a limiting convex ring 311, an air hole 312, an inclined plane 313, a metal tube 4, a sealing washer 5, a positioning convex ring 51, a guide arc 511, an air tube 6, an air pump 61, an air pressure valve 62, a water tube 7, a water tank 71, a water pump 72, an electromagnetic valve 73, a screw rod 81 and a handle 82.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Example (b): a metal pipe wall detection device is shown in figure 1-2 and comprises a pressing plate 1, a supporting plate 2, a plug 3 and a downward pressing driving mechanism for driving the pressing plate 1 to press downward, wherein the plug 3 is installed on the pressing plate 1, a metal pipe 4 is arranged between the pressing plate 1 and the supporting plate 2, the upper end and the lower end of the metal pipe 4 are respectively provided with a sealing washer 5, and the sealing washer 5 is provided with a positioning convex ring 51 matched with the inner wall of the metal pipe 4;
the plug 3 is provided with a connecting column 31, the pressing plate 1 is provided with a connecting hole matched with the connecting column 31, the outer side wall of the connecting column 31 protrudes outwards in the circumferential direction to form a circle of limiting convex ring 311 to prevent the plug 3 from being separated from the pressing plate 1, the plug 3 is provided with an air hole 312, the air hole 312 is communicated with an air pipe 6, and the air pipe 6 is communicated with an air pump 61;
the supporting plate 2 is provided with a positioning hole 21, the bottom surface of the positioning hole 21 is provided with an annular gasket 22, the positioning hole 21 is communicated with the water pipe 7, and the water pipe 7 is communicated with the water tank 71.
The pressing driving mechanism comprises two lead screws 81, the two lead screws 81 are respectively positioned at two sides of the metal tube 4, the lower ends of the lead screws 81 are rotatably connected to the supporting plate 2, and the upper ends of the lead screws 81 penetrate through the pressing plate 1 to be connected with the handle 82.
In specific implementation, the screw 81 is connected to the pressing plate 1 in a threaded manner.
The outer side wall of the limiting convex ring 311 is an inclined surface 313, and the inclined direction of the inclined surface 313 gradually inclines towards the center of the connecting column 31 along the direction that the connecting column 31 is inserted into the connecting hole.
The outer side wall of the positioning convex ring 51 is provided with a guide arc surface 511.
The air pipe 6 is provided with an air pressure valve 62.
The water pipe 7 is provided with a water pump 72 and an electromagnetic valve 73.
The sealing washer 5 is a rubber washer.
The working principle of the utility model is as follows: the positioning convex rings of the two sealing washers are respectively inserted at two ends of the metal pipe, the sealing washers are tightly abutted to the end part of the metal pipe, the handle pressing plate is rotated to press the metal pipe down, the metal pipe is pressed between the pressing plate and the supporting plate, water is conveyed into the metal pipe through the water pump, the electromagnetic valve is closed, the metal pipe is subjected to air tightness test through the air pump, the outer surface of the metal pipe is observed to be anhydrous, if anhydrous, the air tightness test of the metal pipe is qualified, if anhydrous, the air tightness test of the metal pipe is unqualified, the electromagnetic valve is opened after the test is finished, and the water in the metal pipe is returned to the water tank through the water pump.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A metal pipe wall detection device is characterized in that: the device comprises a pressing plate (1), a supporting plate (2), a plug (3) and a pressing driving mechanism for driving the pressing plate to press downwards, wherein the plug is installed on the pressing plate, a metal pipe (4) is arranged between the pressing plate and the supporting plate, the upper end and the lower end of the metal pipe are respectively provided with a sealing washer (5), and the sealing washers are provided with positioning convex rings (51) matched with the inner wall of the metal pipe;
the plug is provided with a connecting column (31), the pressing plate is provided with a connecting hole matched with the connecting column, the outer side wall of the connecting column protrudes outwards in the circumferential direction to form a circle of limiting convex ring (311) to prevent the plug from being separated from the pressing plate, the plug is provided with an air hole (312), the air hole is communicated with an air pipe (6), and the air pipe is communicated with an air pump (61);
the supporting plate is provided with a positioning hole (21), the bottom surface of the positioning hole is provided with an annular gasket (22), the positioning hole is communicated with a water pipe (7), and the water pipe is communicated with a water tank (71).
2. The metal pipe wall detection device according to claim 1, wherein: the pressing driving mechanism comprises two lead screws (81), the two lead screws are respectively positioned on two sides of the metal tube, the lower ends of the lead screws are rotatably connected to the supporting plate, and the upper ends of the lead screws penetrate through the pressing plate to be connected with the handle (82).
3. The metal pipe wall detection device according to claim 1, wherein: the outer side wall of the limiting convex ring is an inclined surface (313), and the inclined direction of the inclined surface gradually inclines towards the center of the connecting column along the direction that the connecting column is inserted into the connecting hole.
4. The metal pipe wall detection device according to claim 1, wherein: the outer side wall of the positioning convex ring is provided with a guide arc surface (511).
5. The metal pipe wall detection device according to claim 1, wherein: and the air pipe is provided with an air pressure valve (62).
6. The metal pipe wall detection device according to claim 1, wherein: and a water pump (72) and an electromagnetic valve (73) are arranged on the water pipe.
7. The metal pipe wall detection device according to claim 1, wherein: the sealing washer is a rubber washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829366.1U CN215374370U (en) | 2021-08-06 | 2021-08-06 | Metal pipe wall detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829366.1U CN215374370U (en) | 2021-08-06 | 2021-08-06 | Metal pipe wall detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215374370U true CN215374370U (en) | 2021-12-31 |
Family
ID=79615980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121829366.1U Active CN215374370U (en) | 2021-08-06 | 2021-08-06 | Metal pipe wall detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215374370U (en) |
-
2021
- 2021-08-06 CN CN202121829366.1U patent/CN215374370U/en active Active
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