Gas detection device for metal hose

Abstract

The invention discloses a metal hose gas detection device, which belongs to the technical field of hose gas detection, is applied to a metal hose and comprises a sealing mechanism and an inflating mechanism, the sealing mechanism is movably connected with one pipe opening of the metal hose and used for sealing the end opening of the metal hose. The inflating mechanism is connected with the other pipe opening of the metal hose and used for introducing gas into the metal hose, the sealing mechanism is of a detachable design, the port plugging function of the metal hose can be efficiently achieved through the design, and the device can be detachably replaced according to the caliber size of the metal hose and is convenient to use. Therefore, metal hoses of different specifications can be adapted.

Description

Technical Field

[0001] The invention belongs to the technical field of hose gas detection, and in particular relates to a metal hose gas detection device. Background Art

[0002] Metal hoses are widely used in industries such as industry, automobiles, and aerospace due to their good flexibility and pressure resistance. In actual use, metal hoses may leak due to wear, corrosion, or external forces. Therefore, regular air tightness testing is an important part of ensuring their safe operation. In addition, although there are some large-scale air detection devices on the market that can provide relatively accurate test results, these devices are large in size, complicated to operate, and not easy to carry or use on site.

[0003] When on-site maintenance is required, the traditional metal hose air tightness test usually requires plugging one end of the metal hose and then detecting the leakage by inflating it; however, the existing plugging method has many problems;

[0004] A common method is to use tape to seal, but this method is prone to gas leakage due to insufficient stickiness of the tape or poor sealing, thereby reducing the detection accuracy; another method is to use a plug, but the plug may not achieve a good sealing effect due to size mismatch or aging of the sealing ring; in addition, the metal hose is prone to skew and deformation due to external force during use, which not only affects the accuracy of the detection, but may also cause further damage to the hose during the detection process;

[0005] In view of the deficiencies in the prior art, the present invention provides a metal hose gas inspection device, aiming to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a metal hose gas inspection device that can efficiently realize the port sealing function of the metal hose, and the device can be detachable and replaced according to the caliber of the metal hose to adapt to metal hoses of different specifications.

[0007] To achieve the above object, the present invention is implemented by adopting the following technical solutions:

[0008] A metal hose gas inspection device, applied to the metal hose, comprising a sealing mechanism and an inflation mechanism;

[0009] The sealing mechanism is movably connected to one of the pipe openings of the metal hose and is used to seal the port of the metal hose;

[0010] The inflation mechanism is connected to another pipe opening of the metal hose and is used for introducing gas into the metal hose.

[0011] Preferably, the sealing mechanism includes a first frustum, a first screw, a rubber ring and a second frustum; wherein,

[0012] The upper bottom surfaces of the first frustum and the second frustum are arranged opposite to each other; the first frustum is placed inside one of the pipe orifices of the metal hose, a threaded hole is provided in the axial part of the second frustum, an internally threaded pipe is connected to the lower bottom surface of the second frustum, and the sizes of the internally threaded pipe and the threaded hole are adapted to each other;

[0013] One end of the first screw is threadedly connected to the threaded hole, and the other end is detachably connected to the first frustum;

[0014] The rubber ring is sleeved on the outer periphery of the first screw and is arranged between the first frustum and the second frustum.

[0015] Preferably, the detachable connection is specifically: a threaded groove is provided at the upper end of the first frustum; one end of the first screw close to the first frustum is connected with a second screw, the second screw is threadedly connected in the threaded groove, and the thread directions of the threaded groove, the internally threaded pipe and the threaded hole are the same.

[0016] Preferably, the sealing mechanism further includes a rotating handle, and the rotating handle is connected to the other end of the internally threaded pipe.

[0017] Preferably, the sealing mechanism further includes a telescopic spring, and the telescopic spring is arranged inside the internally threaded pipe.

[0018] Preferably, the inflation mechanism includes an air pump and an air guide pipe, one end of the air guide pipe leads into the other port of the metal hose, the other end of the air guide pipe is connected to the air pump, and the air pump is charged by an external power supply.

[0019] Preferably, it further includes a straightening mechanism, the straightening mechanism includes a first telescopic pipe and a plurality of second telescopic pipes, the first telescopic pipe is connected to the middle of the lower bottom surface of the first frustum, each of the second telescopic pipes is connected to the lower bottom surface of the first frustum, and the second telescopic pipes are arranged in a circumferential array with the first telescopic pipe as the center.

[0020] Preferably, the first telescopic pipe is made of a rigid material.

[0021] Preferably, each of the second telescopic pipes is made of a flexible material.

[0022] Compared with the prior art, the beneficial effects achieved by the present invention:

[0023] 1. The present invention designs a sealing mechanism. Through the combination of components such as the first frustum, the second frustum, the first screw, and the rubber ring, it can achieve efficient sealing of the port of the metal hose, effectively prevent gas leakage, and thus improve the accuracy of airtightness detection. And the first screw is connected to the second screw, and the second screw is detachably threadedly connected to the thread groove of the first frustum, so that the rubber ring can be adaptively replaced according to the caliber of the metal hose, increasing the versatility and flexibility of the device.

[0024] 2. The present invention introduces a straightening mechanism. Through the setting of the first telescopic tube and multiple second telescopic tubes, it can straighten the metal hose during the detection process, prevent it from being skewed and deformed due to external forces, and thus affect the ventilation efficiency inside the tube. And the first telescopic tube is made of a rigid material, and the second telescopic tube is made of a flexible material. This design not only ensures the support strength of the straightening mechanism but also prevents the inner wall of the metal hose from being scratched by the first telescopic tube, and the telescopic function can adapt to metal hoses of different lengths. Brief Description of the Drawings

[0025] Figure 1 is a schematic structural diagram of the present invention.

[0026] Figure 2 is a schematic structural diagram of the straightening mechanism of the present invention.

[0027] Figure 3 is a right view of the straightening mechanism of the present invention.

[0028] Figure 4 is a schematic structural diagram of the sealing mechanism of the present invention.

[0029] Figure 5 is a schematic structural diagram of an embodiment of the present invention.

[0030] Wherein:

[0031] 1. Metal hose; 2. Sealing mechanism; 21. First frustum; 211. Thread groove; 22. Rubber ring; 23. First screw; 24. Second frustum; 241. Thread hole; 25. Inner threaded tube; 26. Telescopic spring; 27. Rotating handle; 28. Second screw; 3. Inflation mechanism; 31. Air pump; 32. Air guide tube; 4. Straightening mechanism; 41. First telescopic tube; 42. Second telescopic tube; 5. Foldable storage basin. Detailed Embodiment

[0032] The present invention will be further described below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and cannot be used to limit the protection scope of the present invention.

[0033] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the present invention. In addition, in the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0034] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific circumstances.

[0035] Embodiment 1

[0036] Reference Figures 1-5 , this embodiment provides a gas detection device for a metal hose 1, which is applied to the metal hose 1 and includes a sealing mechanism 2 and an inflation mechanism 3;

[0037] The sealing mechanism 2 is movably connected to one of the pipe orifices of the metal hose 1 for sealing the port of the metal hose 1;

[0038] The inflation mechanism 3 is connected to the other pipe orifice of the metal hose 1 for introducing gas into the interior of the metal hose 1.

[0039] Specifically, the sealing mechanism 2 includes a first frustum 21, a first screw 23, a rubber ring 22 and a second frustum 24; among them,

[0040] The two upper bottom surfaces of the first frustum 21 and the second frustum 24 are arranged opposite to each other; the first frustum 21 is placed inside one of the pipe orifices of the metal hose 1. A threaded hole 241 is provided in the axial part of the second frustum 24, and an internally threaded pipe 25 is connected to the lower bottom surface of the second frustum 24, and the sizes of the internally threaded pipe 25 and the threaded hole 241 are adapted to each other;

[0041] One end of the first screw 23 is threadedly connected to the threaded hole 241, and the other end is detachably connected to the first frustum 21;

[0042] The rubber ring 22 is sleeved on the outer periphery of the first screw 23 and is arranged between the first frustum 21 and the second frustum 24.

[0043] Specifically, the sealing mechanism 2 further includes a rotating handle 27, and the rotating handle 27 is connected to the other end of the internally threaded tube 25.

[0044] In order to facilitate the operator to adjust the sealing mechanism 2, in this embodiment, the sealing mechanism 2 further includes a telescopic spring 26, and the telescopic spring 26 is arranged inside the internally threaded tube 25.

[0045] In this embodiment, the present invention designs the sealing mechanism 2. Through the combination of components such as the first frustum 21, the second frustum 24, the first screw 23, and the rubber ring 22, it can achieve efficient sealing of the port of the metal hose 1, effectively prevent gas leakage, and thus improve the accuracy of airtightness detection.

[0046] Specifically, the inflation mechanism 3 includes an air pump 31 and an air duct 32. One end of the air duct 32 leads into the other port of the metal hose 1, the other end of the air duct 32 is connected to the air pump 31, and the air pump 31 is charged by an external power supply.

[0047] In this embodiment, the device adopts a small air pump 31 and an air duct 32, making the entire inflation mechanism 3 small in size, light in weight, easy to carry and use on-site, and particularly suitable for performing airtightness detection on the metal hose 1 at the maintenance site.

[0048] Embodiment Two

[0049] Reference Figure 4 , on the basis of Embodiment One, the detachable connection adopted by the present invention is specifically as follows: a threaded groove 211 is opened at the upper bottom end of the first frustum; one end of the first screw 23 close to the first frustum 21 is connected with a second screw 28, and the second screw 28 is threadedly connected in the threaded groove 211, and the threading directions of the threaded groove 211, the internally threaded tube 25, and the threaded hole 241 are the same.

[0050] In this embodiment, the first screw 23 is connected with a second screw 28, and the second screw 28 is detachably threadedly connected in the threaded groove 211 of the first frustum 21, so that the rubber ring 22 can be adaptively replaced according to the caliber of the metal hose 1, increasing the versatility and flexibility of the device.

[0051] Embodiment Three

[0052] Reference Figure 2 and Figure 3On the basis of the first and second embodiments, the device further comprises a straightening mechanism 4, the straightening mechanism 4 comprises a telescopic tube 1 41 and a plurality of telescopic tubes 2 42, the telescopic tube 1 41 is connected to the middle of the lower bottom surface of the truncated cone body 21, each of the telescopic tubes 2 42 is connected to the lower bottom surface of the truncated cone body 21, and the telescopic tubes 2 42 are arranged in a circular array with the telescopic tube 1 41 as the center.

[0053] Specifically, the telescopic tube 41 is made of hard material.

[0054] Specifically, each of the telescopic tubes 42 is made of flexible material.

[0055] In this embodiment, the present invention introduces a straightening mechanism 4. Through the arrangement of a telescopic tube 1 41 and a plurality of telescopic tubes 2 42, the metal hose 1 can be straightened during the detection process to prevent it from being skewed and deformed due to external force, thereby affecting the ventilation efficiency in the tube. The telescopic tube 1 41 is made of a hard material, and the telescopic tube 2 42 is made of a flexible material. This design not only ensures the supporting strength of the straightening mechanism 4, but also prevents the inner wall of the metal hose 1 from being scratched by the telescopic tube 1 41, and the telescopic function can adapt to metal hoses 1 of different lengths.

[0056] Working principle: When in use, unfold the foldable storage basin 5 prepared in advance, inject a certain height of water into it, select a suitable rubber ring 22 according to the caliber of the metal hose 1 to be tested, put the rubber ring 22 on the outer periphery of the screw rod 23, and thread the screw rod 28 connected to the screw rod 23 with the thread groove 211 of the truncated cone body 21, and then adjust the length of the telescopic tube 1 41 and the telescopic tube 2 42 according to the length of the metal hose 1. After the preparation work is completed, place the sealing mechanism 2 and the straightening mechanism 4 in the tube, and then operate The handle 27 is turned to make the second cone body 24 approach the direction of the first cone body 21. The approach of the second cone body 24 will compress the rubber ring 22, making the outer diameter of the rubber ring 22 larger, thereby blocking the pipe opening of the metal hose 1, and then extend one end of the air guide tube 32 into the other pipe opening of the metal hose 1, and then place the metal hose 1 and start the air pump 31 to inflate the tube. During the inflation process, observe whether there are bubbles near the tube. If so, mark the approximate location where the bubbles are generated, and perform a secondary test after a period of time to determine the specific location where the bubbles are generated.

[0057] In summary, the metal hose 1 gas inspection device of the present invention realizes efficient and reliable pipe mouth sealing through its sealing mechanism 2, which can adapt to the requirements of different calibers; the inflation mechanism 3 is portable and easy to operate, ensuring stable inflation; the straightening mechanism 4 prevents the hose from deforming and improves the detection accuracy. The overall design improves the efficiency and accuracy of on-site maintenance and inspection of the metal hose 1, and has significant practicality and innovation.

[0058] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A metal hose air detection device, which is applied to a metal hose (1), and is characterized in that, It includes a sealing mechanism (2) and an inflation mechanism (3); The sealing mechanism (2) is movably connected to one of the pipe orifices of the metal hose (1) and is used to seal the port of the metal hose (1); The inflation mechanism (3) is connected to the other pipe orifice of the metal hose (1) and is used to introduce gas into the interior of the metal hose (1).

2. The metal hose air inspection device according to claim 1, characterized in that, The sealing mechanism (2) includes a first frustum (21), a first screw (23), a rubber ring (22), and a second frustum (24); among them, The upper bottom surfaces of the first frustum (21) and the second frustum (24) are arranged opposite to each other; the first frustum (21) is placed inside one of the pipe orifices of the metal hose (1), a threaded hole (241) is provided in the axial part of the second frustum (24), an internally threaded pipe (25) is connected to the lower bottom surface of the second frustum (24), and the sizes of the internally threaded pipe (25) and the threaded hole (241) are adapted to each other; One end of the first screw (23) is threadedly connected to the threaded hole (241), and the other end is detachably connected to the first frustum (21); The rubber ring (22) is sleeved on the outer periphery of the first screw (23) and is arranged between the first frustum (21) and the second frustum (24).

3. The metal hose air inspection device according to claim 2, characterized in that, The detachable connection is specifically: a threaded groove (211) is provided at the upper end of the first frustum; one end of the first screw (23) close to the first frustum (21) is connected with a second screw (28), and the second screw (28) is threadedly connected in the threaded groove (211), and the threading directions of the threaded groove (211), the internally threaded pipe (25), and the threaded hole (241) are the same.

4. The metal hose air inspection device according to claim 2, characterized in that The sealing mechanism (2) further includes a rotating handle (27), and the rotating handle (27) is connected to the other end of the internally threaded pipe (25).

5. The metal hose air inspection device according to claim 2, wherein, The sealing mechanism (2) further includes a telescopic spring (26), and the telescopic spring (26) is arranged inside the internally threaded pipe (25).

6. The metal hose air inspection device according to claim 1, characterized in that The inflation mechanism (3) includes an air pump (31) and an air guide pipe (32). One end of the air guide pipe (32) leads into the other port of the metal hose (1), the other end of the air guide pipe (32) is connected to the air pump (31), and the air pump (31) is charged by an external power source.

7. The metal hose air detection device according to claim 2, characterized in that, It further includes a straightening mechanism (4). The straightening mechanism (4) includes a first telescopic pipe (41) and a plurality of second telescopic pipes (42). The first telescopic pipe (41) is connected to the middle of the lower bottom surface of the first frustum (21), and each of the second telescopic pipes (42) is connected to the lower bottom surface of the first frustum (21), and the second telescopic pipes (42) are arranged in a circumferential array with the first telescopic pipe (41) as the center.

8. The metal hose air detection device according to claim 7, characterized in that, The first telescopic pipe (41) is made of a rigid material.

9. The metal hose air detection device according to claim 7, characterized in that, Each of the second telescopic pipes (42) is made of a flexible material.

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