CN217155763U - Stainless steel pipe leak detection device - Google Patents
Stainless steel pipe leak detection device Download PDFInfo
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- CN217155763U CN217155763U CN202221089005.2U CN202221089005U CN217155763U CN 217155763 U CN217155763 U CN 217155763U CN 202221089005 U CN202221089005 U CN 202221089005U CN 217155763 U CN217155763 U CN 217155763U
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- stainless steel
- pipe
- steel pipe
- detection
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 103
- 239000010935 stainless steel Substances 0.000 title claims abstract description 103
- 238000001514 detection method Methods 0.000 title claims abstract description 76
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a nonrust steel pipe leak hunting device belongs to mechanical technical field. It has solved the current inconvenient problem of leak hunting device. The stainless steel pipe leakage detection device comprises a rack with a bottom plate, wherein a detection pipe is vertically fixed on the bottom plate, the inner diameter of the detection pipe is slightly larger than the outer diameter of the stainless steel pipe, the stainless steel pipe is vertically arranged in the detection pipe and pressed on the bottom plate, and the bottom plate simultaneously seals the lower ports of the detection pipe and the stainless steel pipe; the upper end of the detection pipe is sleeved with a top cover, the inner wall of the top cover is tightly pressed on the top wall of the stainless steel pipe to form sealing, and an air passage for communicating the stainless steel pipe with the outside is formed in the top cover; a closed annular cavity is formed among the top cover, the detection pipe, the stainless steel pipe and the bottom plate, and a pressure gauge for detecting the pressure of the annular cavity is arranged on the detection pipe; and a driving piece for driving the top cover to lift is fixed on the rack. This nonrust steel pipe leak hunting device convenient to use.
Description
Technical Field
The utility model belongs to the technical field of machinery, a leak hunting device, especially a nonrust steel pipe leak hunting device are related to.
Background
The stainless steel pipe can cause water leakage in the use process due to the fact that the pipe wall is too thin or cracks occur, and therefore spot check and leak detection are needed to be carried out on the stainless steel pipe when the stainless steel pipe leaves a factory.
The existing stainless steel pipe leakage detection equipment is as disclosed in Chinese patent library, for example, a stainless steel pipe fitting airtightness detection tool (application number: 202121424480.6), which comprises a support, a linear reciprocating driving mechanism, an upper sealing gasket and a lower sealing gasket, wherein the support comprises a bottom plate and a top plate, the linear reciprocating driving mechanism is installed on the top plate, the lower sealing gasket is installed on the bottom plate, the upper sealing gasket is installed on a moving part of the linear reciprocating driving mechanism, and a gas channel is arranged on the moving part of the linear reciprocating driving mechanism and the upper sealing gasket.
When the tool is used, high-pressure gas is introduced into the pipe fitting to be detected through the gas channel, whether leakage points exist in the pipe fitting or not is judged through whether gas leakage sound exists, however, the mode is easily affected by the external environment, and the detection result is inaccurate and not visual.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided an accurate and audio-visual nonrust steel pipe leak hunting device of testing result.
The purpose of the utility model can be realized by the following technical proposal: a stainless steel pipe leakage detection device comprises a rack with a bottom plate, and is characterized in that a detection pipe is vertically fixed on the bottom plate, the inner diameter of the detection pipe is slightly larger than the outer diameter of the stainless steel pipe, the stainless steel pipe is vertically arranged in the detection pipe and pressed on the bottom plate, and the bottom plate simultaneously seals the lower ports of the detection pipe and the stainless steel pipe; the upper end of the detection pipe is sleeved with a top cover, the inner wall of the top cover is tightly pressed on the top wall of the stainless steel pipe to form sealing, and an air passage for communicating the stainless steel pipe with the outside is formed in the top cover; a closed annular cavity is formed among the top cover, the detection pipe, the stainless steel pipe and the bottom plate, and a pressure gauge for detecting the pressure of the annular cavity is arranged on the detection pipe; and a driving piece for driving the top cover to lift is fixed on the rack.
During actual installation, the air passage is connected with an external air source;
the using process is as follows: placing a stainless steel pipe to be detected, moving the top cover downwards to clamp and position the stainless steel pipe between the bottom plate and the top cover, and then supplying air into the air passage by an external air source and flowing into the stainless steel pipe; if the pressure gauge detects that the pressure in the annular cavity rises, leakage points exist on the pipe wall of the stainless steel pipe; on the contrary, if the numerical value of the pressure gauge is not changed, no leakage point exists on the pipe wall of the stainless steel pipe.
Whether stainless steel pipe has the leakage point through the pressure value change of observing the manometer demonstration, not only detection accuracy is high, and the testing result shows also comparatively directly perceived, understandable moreover, has convenient to use's advantage.
In foretell stainless steel pipe leak detection device, foretell detecting tube and bottom plate can dismantle and link firmly to match the stainless steel pipe of different sizes through changing the detecting tube, the practicality is good.
In foretell stainless steel pipe leak detection device, foretell detecting tube links firmly with the bottom plate through the bolt of round along detecting tube circumference equipartition, has simple structure, easy dismounting's advantage.
In foretell stainless steel pipe leakage detecting device, the bottom plate includes the plate body that sealing washer and level set up, and stainless steel pipe and sense tube voltage-sharing are on the plate body, offer the ring channel that is used for placing the sealing washer on the plate body roof, and the sealing washer diapire sticiss on the ring channel diapire, and sense tube and stainless steel pipe voltage-sharing are on the sealing washer roof. And the lower ports of the detection tube and the stainless steel tube are simultaneously sealed by one sealing ring, so that the structure is simplified and the assembly is convenient.
In the stainless steel pipe leakage detecting device, the top cover comprises a cover body and a rubber ring horizontally and fixedly arranged in the cover body, two end faces of the rubber ring are respectively pressed on the inner wall of the cover body and the top wall of the stainless steel pipe, and the air passage is formed on the cover body. The top cap adopts rubber circle and stainless steel pipe contact, under the stainless steel pipe prerequisite of stable location, rubber circle accessible self elasticity comes the cushioning effect to press from both sides tight effort on stainless steel pipe, makes stainless steel pipe positioning process comparatively relax, avoids the damage of stainless steel pipe.
In foretell stainless steel pipe leakage detection device, lid top integrated into one piece has the pipe portion, and the pipe portion is in outside the lid and be vertical setting, and the pipe portion upper end is sealed, lower extreme intercommunication stainless steel pipe, and the inlet port of intercommunication pipe portion hole is seted up to pipe portion one side, and inlet port and pipe portion hole form foretell air flue jointly.
In the stainless steel pipe leakage detection device, the driving part is a cylinder or an oil cylinder, the driving part comprises a piston rod, and the lower end of the piston rod is fixedly connected with the pipe part.
In foretell stainless steel pipe leakage detection device, offer on the pipe portion roof and be vertical through's connecting hole, the piston rod diapire presses on the pipe portion roof, is equipped with the screw in the pipe portion, and the screw pole portion passes connecting hole and screw in piston rod.
In the stainless steel pipe leakage detection device, the screw rod part is sleeved with the annular sealing gasket, and two end faces of the annular sealing gasket are respectively tightly pressed on the inner wall of the pipe part and the head part of the screw, so that the sealing effect formed between the head part of the screw and the pipe part is enhanced, the inflowing gas is ensured to completely enter the stainless steel pipe, and the detection stability and efficiency are improved.
In foretell stainless steel pipe leak detection device, the test tube comprises o shape circle and the straight tube body that links firmly with the bottom plate, and the internal diameter of straight tube body slightly is greater than the stainless steel outside diameter, offers on the straight tube body outer wall to be cyclic annular and be used for placing the constant head tank of o shape circle, and the outer peripheral face and the top cap inner wall of o shape circle offset, ensure to form reliable sealedly between top cap and the test tube.
Compared with the prior art, this nonrust steel pipe leak hunting device has following advantage:
1. whether stainless steel pipe has the leakage point through the pressure value change of observing the manometer demonstration, not only detection accuracy is high, and the testing result shows also comparatively directly perceived, understandable moreover, has convenient to use's advantage.
2. And the lower ports of the detection tube and the stainless steel tube are simultaneously sealed by one sealing ring, so that the structure is simplified and the assembly is convenient.
3. The pipe portion is used for forming the air flue, is used for holding the screw again and connects the driving piece, and in this application, the pipe portion possesses a dual-purpose effect of thing promptly, when simplifying the structure, further convenient equipment.
Drawings
Fig. 1 is a schematic structural view of a stainless steel pipe leak detection apparatus.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
In the figure, 1, a frame; 1a, a bottom plate; 1a1, sealing ring; 1a2, a plate body; 2. a detection tube; 2a, o-shaped ring; 2b, a straight tube body; 3. a top cover; 3a, an airway; 3b, a cover body; 3b1, tube; 3b2, intake hole; 3c, rubber rings; 4. an annular cavity; 5. a pressure gauge; 6. a drive member; 7. a bolt; 8. a screw; 9. an annular seal; 10. an air tap; 11. stainless steel tubes.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the stainless steel pipe leak detection device includes a frame 1 having a bottom plate 1a and a detection pipe 2 vertically fixed on the bottom plate 1a, and in actual use, a stainless steel pipe 11 is vertically disposed in the detection pipe 2 and pressed against the bottom plate 1a, and at this time, the bottom plate 1a simultaneously closes the lower ports of the detection pipe 2 and the stainless steel pipe 11.
Wherein the content of the first and second substances,
the inner diameter of the detection tube 2 is slightly larger than the outer diameter of the stainless steel tube 11, so that a small gap is formed between the detection tube 2 and the stainless steel tube 11, and the stainless steel tube 11 is prevented from inclining. The upper end of the detection tube 2 is sleeved with a top cover 3, the inner wall of the top cover 3 is tightly pressed on the top wall of the stainless steel tube 11 to form a seal, and an air passage 3a for communicating the stainless steel tube 11 with the outside is formed in the top cover 3; a closed annular cavity 4 is formed among the top cover 3, the detection tube 2, the stainless steel tube 11 and the bottom plate 1a, and a pressure gauge 5 for detecting the pressure of the annular cavity 4 is installed on the detection tube 2; a driving piece 6 for driving the top cover 3 to ascend and descend is fixed on the frame 1.
In particular, in the case of a system,
the bottom plate 1a closes the lower port of the detection tube 2 and the stainless steel tube 11 in the following way: the bottom plate 1a includes the plate body 1a2 of sealing washer 1a1 and level setting, and stainless steel pipe 11 and the 2 voltage sharing of measuring tube on plate body 1a2, offer the ring channel that is used for placing sealing washer 1a1 on the plate body 1a2 roof, and sealing washer 1a1 diapire sticiss on the ring channel diapire, and measuring tube 2 and the 11 voltage sharing of stainless steel pipe are on sealing washer 1a1 roof. The lower ports of the detection tube 2 and the stainless steel tube 11 are simultaneously closed by using a sealing ring 1a1, so that the structure is simplified and the assembly is facilitated. Further, the detection tube 2 is detachably and fixedly connected with the plate body 1a2, so that the detection tube 2 can be replaced to match with stainless steel tubes 11 of different sizes, and the practicability is good. Preferably, the detecting tube 2 is fixedly connected with the plate body 1a2 through a circle of bolts 7 uniformly distributed along the circumference of the detecting tube 2.
As shown in fig. 1, the top cover 3 has the following specific structure: the top cover 3 comprises a cover body 3b and a rubber ring 3c horizontally fixed in the cover body 3 b. The two end faces of the rubber ring 3c are respectively pressed on the inner wall of the cover body 3b and the top wall of the stainless steel tube 11, the rubber ring 3c is preferably bonded and fixedly connected with the cover body 3b, the rubber ring 3c is contacted with the stainless steel tube 11 by the top cover 3, and on the premise of stably positioning the stainless steel tube 11, the rubber ring 3c can buffer the clamping acting force acting on the stainless steel tube 11 through the elasticity of the rubber ring 3c, so that the positioning process of the stainless steel tube 11 is relatively mild, and the stainless steel tube 11 is prevented from being damaged; the air duct 3a is formed on the cover 3b, preferably, a pipe portion 3b1 is integrally formed on the top of the cover 3b, the pipe portion 3b1 is vertically disposed outside the cover 3b, the upper end of the pipe portion 3b1 is closed, the lower end of the pipe portion 3b1 is communicated with the stainless steel pipe 11, an air inlet hole 3b2 communicated with the inner hole of the pipe portion 3b1 is opened on one side of the pipe portion 3b1, and the air inlet hole 3b2 and the inner hole of the pipe portion 3b1 form the air duct 3 a.
In this embodiment, the driving member 6 is a cylinder or an oil cylinder, the driving member 6 includes a piston rod, and the lower end of the piston rod is fixedly connected to the pipe portion 3b 1.
The piston rod and the tube portion 3b1 are connected as follows: as shown in fig. 2, a connecting hole which vertically penetrates is formed in the top wall of the pipe portion 3b1, the bottom wall of the piston rod is pressed on the top wall of the pipe portion 3b1, a screw 8 is arranged in the pipe portion 3b1, the rod portion of the screw 8 penetrates through the connecting hole and is screwed into the piston rod, an annular sealing gasket 9 is further sleeved outside the rod portion of the screw 8, two end faces of the annular sealing gasket 9 are respectively tightly pressed on the inner wall of the pipe portion 3b1 and the head portion of the screw 8, so that the sealing effect formed between the head portion of the screw 8 and the head portion 3b1 is enhanced, it is ensured that inflowing gas completely enters the stainless steel pipe 11, and the detection stability and efficiency are improved.
As shown in fig. 1, the detecting tube 2 is composed of an o-shaped ring 2a and a straight tube body 2b fixedly connected with a bottom plate 1 a. Wherein, the internal diameter of the straight tube body 2b slightly is greater than 11 external diameters of stainless steel pipe, offers on the outer wall of the straight tube body 2b and is cyclic annular and be used for placing the constant head tank of o shape circle 2a, and the outer peripheral face of o shape circle 2a offsets with 3 inner walls of top cap, ensures to form reliable seal between top cap 3 and the test tube 2.
In the actual product, the lateral wall of the lower end of the straight tube body 2b is provided with a detection port communicated with the annular cavity 4, and the detection end of the pressure gauge 5 is screwed in the detection port.
During actual installation, the air inlet is screwed with an air tap 10, so that the air passage 3a is conveniently connected with an external air source;
the using process is as follows: putting a stainless steel pipe 11 to be detected, moving the top cover 3 downwards to clamp and position the stainless steel pipe 11 between the bottom plate 1a and the top cover 3, and then supplying air to the air passage 3a by an external air source and flowing into the stainless steel pipe 11; if the pressure gauge 5 detects that the pressure in the annular cavity 4 rises, a leakage point exists on the pipe wall of the stainless steel pipe 11; on the contrary, if the value of the pressure gauge 5 is not changed, no leakage point exists on the wall of the stainless steel tube 11. Whether stainless steel pipe 11 has the leak point through the pressure value change of observing manometer 5 demonstration, not only detection accuracy is high, and the testing result shows also comparatively directly perceived, understandable moreover, has convenient to use's advantage.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A stainless steel pipe leakage detection device comprises a rack (1) with a bottom plate (1a), and is characterized in that a detection pipe (2) is vertically fixed on the bottom plate (1a), the inner diameter of the detection pipe (2) is slightly larger than the outer diameter of a stainless steel pipe (11), the stainless steel pipe (11) is vertically arranged in the detection pipe (2) and pressed on the bottom plate (1a), and the bottom plate (1a) simultaneously seals the lower ports of the detection pipe (2) and the stainless steel pipe (11); the upper end of the detection tube (2) is sleeved with a top cover (3), the inner wall of the top cover (3) is tightly pressed on the top wall of the stainless steel tube (11) to form a seal, and an air passage (3a) which enables the stainless steel tube (11) to be communicated with the outside is formed in the top cover (3); a closed annular cavity (4) is formed among the top cover (3), the detection pipe (2), the stainless steel pipe (11) and the bottom plate (1a), and a pressure gauge (5) for detecting the pressure of the annular cavity (4) is installed on the detection pipe (2); a driving piece (6) for driving the top cover (3) to lift is fixed on the frame (1).
2. Stainless steel pipe leak detection apparatus according to claim 1, wherein said detection pipe (2) is detachably attached to said bottom plate (1 a).
3. The stainless steel pipe leak detection apparatus according to claim 2, wherein the detection pipe (2) is fixedly connected to the bottom plate (1a) by a ring of bolts (7) uniformly distributed along the circumference of the detection pipe (2).
4. The stainless steel pipe leak detection device according to claim 1, 2 or 3, wherein the bottom plate (1a) comprises a sealing ring (1a1) and a horizontally arranged plate body (1a2), the stainless steel pipe (11) and the detection pipe (2) are pressed on the plate body (1a2) in a pressure-equalizing mode, an annular groove for placing the sealing ring (1a1) is formed in the top wall of the plate body (1a2), the bottom wall of the sealing ring (1a1) is pressed on the bottom wall of the annular groove in a pressing mode, and the detection pipe (2) and the stainless steel pipe (11) are pressed on the top wall of the sealing ring (1a1) in a pressure-equalizing mode.
5. The stainless steel pipe leak detection apparatus according to claim 1, wherein the top cover (3) comprises a cover body (3b) and a rubber ring (3c) horizontally fixed in the cover body (3b), both end faces of the rubber ring (3c) are respectively pressed against the inner wall of the cover body (3b) and the top wall of the stainless steel pipe (11), and the air duct (3a) is formed in the cover body (3 b).
6. The stainless steel pipe leakage detecting device according to claim 5, wherein a pipe portion (3b1) is integrally formed at the top of the cover body (3b), the pipe portion (3b1) is located outside the cover body (3b) and is vertically arranged, the upper end of the pipe portion (3b1) is closed, the lower end of the pipe portion is communicated with the stainless steel pipe (11), an air inlet hole (3b2) communicated with the inner hole of the pipe portion (3b1) is formed at one side of the pipe portion (3b1), and the air inlet hole (3b2) and the inner hole of the pipe portion (3b1) jointly form the air passage (3 a).
7. The stainless steel pipe leak detection device according to claim 6, wherein the driving member (6) is an air cylinder or an oil cylinder, the driving member (6) comprises a piston rod, and the lower end of the piston rod is fixedly connected with the pipe part (3b 1).
8. The stainless steel pipe leak detection apparatus according to claim 7, wherein a connecting hole is formed in the top wall of the pipe portion (3b1) so as to vertically pass therethrough, the bottom wall of the piston rod is pressed against the top wall of the pipe portion (3b1), a screw (8) is provided in the pipe portion (3b1), and the shaft portion of the screw (8) is passed through the connecting hole and screwed into the piston rod.
9. Stainless steel pipe leak detection apparatus according to claim 8, wherein an annular packing (9) is fitted around the shaft portion of the screw (8), and both end faces of the annular packing (9) are respectively pressed against the inner wall of the pipe portion (3b1) and the head portion of the screw (8).
10. The stainless steel pipe leak detection device according to claim 1, wherein the detection pipe (2) is composed of an o-shaped ring (2a) and a straight pipe body (2b) fixedly connected with the bottom plate (1a), the inner diameter of the straight pipe body (2b) is slightly larger than the outer diameter of the stainless steel pipe (11), a positioning groove which is annular and used for placing the o-shaped ring (2a) is arranged on the outer wall of the straight pipe body (2b), and the peripheral surface of the o-shaped ring (2a) is abutted against the inner wall of the top cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221089005.2U CN217155763U (en) | 2022-05-05 | 2022-05-05 | Stainless steel pipe leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221089005.2U CN217155763U (en) | 2022-05-05 | 2022-05-05 | Stainless steel pipe leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217155763U true CN217155763U (en) | 2022-08-09 |
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ID=82666082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221089005.2U Expired - Fee Related CN217155763U (en) | 2022-05-05 | 2022-05-05 | Stainless steel pipe leak detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217155763U (en) |
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2022
- 2022-05-05 CN CN202221089005.2U patent/CN217155763U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A leak detection device for stainless steel pipes Effective date of registration: 20230420 Granted publication date: 20220809 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: Zhejiang Honglei electromechanical Co.,Ltd. Registration number: Y2023980038530 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |