CN220063288U - Air tightness leakage detection device for positioning defect part - Google Patents
Air tightness leakage detection device for positioning defect part Download PDFInfo
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- CN220063288U CN220063288U CN202321470021.0U CN202321470021U CN220063288U CN 220063288 U CN220063288 U CN 220063288U CN 202321470021 U CN202321470021 U CN 202321470021U CN 220063288 U CN220063288 U CN 220063288U
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 230000007547 defect Effects 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an air tightness leakage detection device for positioning a defect part, which relates to the technical field of air tightness detection and comprises a support unit, wherein a push rod motor is arranged on the support unit, an L-shaped detection tube is arranged at the output end of the push rod motor, a pressure tester is arranged on the detection tube, an adjusting piece is arranged at the transverse free end of the detection tube, an air inlet tube and a liquid inlet tube are fixedly sleeved on the adjusting piece, the opening and the closing of the air inlet tube and the liquid inlet tube are controlled by the adjusting piece, and the liquid inlet tube is a telescopic hose; the support unit is also provided with a circulating collection unit. Compared with the prior art, the utility model adopts the same device, can not only judge whether the part to be tested leaks air or not, but also determine the specific defect position, can recycle the liquid during the detection of the air tightness defect position, avoids waste, and can more intuitively position the air tightness defect position under the cooperation of colored liquid.
Description
Technical Field
The utility model relates to the technical field of air tightness detection, in particular to an air tightness leakage detection device for positioning a defect part.
Background
The components used in the fluid circuit, such as various valves, pipe joints, products with a plurality of hollow parts laminated to form a fluid passage, and the like, are required to have certain air tightness to the fluid passage inside so as to ensure that no leakage occurs when the components are used in the fluid circuit, and therefore the components must be subjected to an air tightness test before being connected into the fluid circuit.
The existing airtight leakage detection device is generally only connected to a gas pressure test loop through parts, and whether leakage exists in the parts or not is judged through a pressure maintaining value in the loop, however, the existing airtight leakage detection device can only be used for detecting leakage and cannot judge the specific position of poor airtight of the parts, so that the parts with poor airtight are required to be detected secondarily through the cooperation of other equipment, defect positions are determined, leakage detection cost is increased, and the practicability is low.
Disclosure of Invention
Aiming at the problems, the utility model provides an airtight leakage detection device for positioning a defect part.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the air tightness leakage detection device for positioning the defect part comprises a support unit, wherein a push rod motor is arranged on the support unit, an L-shaped detection tube is arranged at the output end of the push rod motor, a pressure tester is arranged on the detection tube, an adjusting piece is arranged at the transverse free end of the detection tube, an air inlet tube and a liquid inlet tube are fixedly sleeved on the adjusting piece, the opening and the closing of the air inlet tube and the liquid inlet tube are controlled through the adjusting piece, and the liquid inlet tube is a telescopic hose;
and the support unit is also provided with a circulation collection unit, and liquid circulation is carried out under the cooperation of the liquid inlet pipe.
Preferably, the supporting unit comprises a supporting plate, wherein a top plate is arranged at the top of the supporting plate, and a bottom plate is arranged at the bottom of the supporting plate; the supporting plate, the top plate and the bottom plate are integrally formed, a guide opening is formed in the supporting plate, and the detection tube moves up and down under the action of the push rod motor.
Preferably, the adjusting piece comprises a shell fixedly sleeved at the transverse free end of the detection tube, an adjusting sleeve is rotatably sleeved on the shell, a flow hole is formed in the adjusting sleeve, and the flow hole is matched with the air inlet tube and the liquid inlet tube;
the adjusting sleeve is fixedly connected with an adjusting knob which is positioned outside the shell, and the adjusting knob is rotationally connected with the shell.
Preferably, the circulation collection unit comprises a liquid receiving tank arranged on the bottom plate, a circulation pump fixedly connected on the supporting plate, and a liquid storage tank fixedly connected on the top plate, wherein a circulation pipe is fixedly sleeved on the liquid receiving tank, the free end of the circulation pipe is fixedly sleeved with the water inlet end of the circulation pump, the water outlet end of the circulation pump is fixedly sleeved with a return pipe, and the free end of the return pipe is fixedly sleeved with the top of the liquid storage tank;
the other free end of the liquid inlet pipe is fixedly sleeved at the bottom end of the liquid storage tank.
Preferably, two cross bars are symmetrically arranged in the liquid receiving tank, a bearing plate is connected to the cross bars in a sliding manner, a plurality of through holes are formed in the bearing plate, a plurality of positioning columns are arranged at the top of the bearing plate, the width of the bearing plate is smaller than that of the liquid receiving tank, guide surfaces are arranged on two sides of the bearing plate, and a handle is further arranged on the bearing plate.
Preferably, the output end of the push rod motor is fixedly connected with a connecting sleeve, the detecting tube is fixedly sleeved on the outer ring of the connecting sleeve, the outer ring of the detecting tube is fixedly sleeved with a sleeve, two sides of the sleeve are fixedly connected with guide rods, and the guide rods are in sliding connection with the guide openings.
Preferably, the top of the liquid storage tank is provided with a liquid inlet, and colored liquid is filled in the liquid storage tank.
In summary, the utility model has the technical effects and advantages that:
compared with the prior art, the utility model adopts the same device, can not only judge whether the part to be tested leaks air or not, but also determine the specific defect position, can recycle the liquid during the detection of the air tightness defect position, avoids waste, and can more intuitively position the air tightness defect position under the cooperation of colored liquid.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first view angle structure of an airtight leakage detecting device for locating defect parts.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
FIG. 3 is a schematic diagram of a second view angle structure of the apparatus for detecting leak in a defect location.
Fig. 4 is a schematic view of a partial explosion structure.
In the figure: 1. a support plate; 101. a guide port; 2. a liquid storage tank; 3. a push rod motor; 4. a detection tube; 5. a carrying plate; 501. positioning columns; 502. a through hole; 503. a handle; 6. a top plate; 7. a bottom plate; 701. a liquid receiving tank; 8. a cross bar; 9. a sleeve; 901. a guide rod; 10. connecting sleeves; 11. a circulation pump; 12. a return pipe; 13. a circulation pipe; 14. an adjustment knob; 15. an air inlet pipe; 16. a liquid inlet pipe; 17. a housing; 18. an adjusting sleeve; 1801. and a flow hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to the air tightness leakage detection device of the defect positioning part shown in fig. 1-4, the air tightness leakage detection device comprises a supporting unit, wherein a push rod motor 3 is arranged on the supporting unit, an L-shaped detection tube 4 is arranged at the output end of the push rod motor 3, a pressure tester is arranged on the detection tube 4, an adjusting piece is arranged at the transverse free end of the detection tube 4, an air inlet tube 15 and a liquid inlet tube 16 are fixedly sleeved on the adjusting piece, and the opening and the closing of the air inlet tube 15 and the liquid inlet tube 16 are controlled through the adjusting piece.
When the pressure tester is used, one end of a part to be tested is sealed through a plug or a valve, the detection tube 4 is driven to move downwards through the push rod motor 3 and is inserted into the other end of the part to be tested, then the air inlet tube 15 is controlled to be opened through the regulating element, so that external compressed air can enter the part to be tested through the detection tube 4, after a certain amount of air is introduced, the air inlet tube 15 is controlled to be closed through the regulating element, and the air tightness of the part to be tested is judged through the pressure change of the pressure tester.
In this embodiment, the outer ring of the detecting tube 4 is provided with an annular sealing plug, and when the detecting tube 4 moves down to be inserted into the other end of the part to be detected, the part to be detected is in a sealing state under the cooperation of the annular sealing plug and the plug or the valve.
If the air tightness of the part is qualified, the part is detached, and the air tightness detection of the next part is continued; if the air tightness of the part to be tested is unqualified, the device can be used for continuously detecting the air tightness defect position of the part to be tested.
When the air tightness defect position detection is carried out, the part maintains the form of the last step (when in use, one end of the part to be detected is closed through a plug or a valve, the detection tube 4 is driven to move downwards through the push rod motor 3 and inserted into the other end of the part to be detected), the liquid inlet tube 16 is controlled to be opened through the adjusting piece, so that external liquid enters the part to be detected through the detection tube 4, and then the seepage position of the part to be detected is observed to position the air tightness defect position.
When the device is specifically used, after the air tightness defect position detection is carried out on the part, the other end of the part to be detected, which is closed by the plug or the valve, is opened, the internal liquid is discharged, the air inlet pipe 15 is controlled by the adjusting part to be opened, the liquid inlet pipe 16 is closed, and the external compressed gas is led into the detection pipe 4 again, so that the gas circulates in the part to be detected until the residual liquid in the part to be detected is dried, the liquid retained in the part to be detected can be discharged through the drying operation, the problem of liquid leakage is avoided when the part to be detected is completely tested, and the trouble of cleaning the leaked liquid and the possibility of pollution of the part to be detected are avoided.
As shown in fig. 1 and 3, the support unit is further provided with a circulation collection unit for circulating the liquid in cooperation with the liquid inlet pipe 16.
And under the action of the circulating collection unit, the liquid is recycled when the air tightness defect position is detected, so that waste is avoided.
As shown in fig. 1 and 3, the support unit includes a support plate 1, a top plate 6 is provided at the top of the support plate 1, and a bottom plate 7 is provided at the bottom of the support plate 1; the supporting plate 1, the top plate 6 and the bottom plate 7 are integrally formed, a guide opening 101 is formed in the supporting plate 1, and the detection tube 4 moves up and down under the action of the push rod motor 3.
As shown in fig. 3 and 4, the adjusting member includes a housing 17 fixedly sleeved at the transverse free end of the detecting tube 4, an adjusting sleeve 18 is rotatably sleeved in the housing 17, a flow hole 1801 is formed in the adjusting sleeve 18, and the flow hole 1801 is matched with the air inlet tube 15 and the liquid inlet tube 16.
The control flow hole 1801 communicates with the intake pipe 15 or the intake pipe 16 by rotating the adjustment sleeve 18.
In order to facilitate the rotation of the adjusting sleeve 18, as shown in fig. 3 and 4, an adjusting knob 14 located outside the housing 17 is fixedly connected to the adjusting sleeve 18, and the adjusting knob 14 is rotatably connected to the housing 17.
As shown in fig. 1 and 3, the circulation collection unit comprises a liquid receiving tank 701 arranged on a bottom plate 7, a circulation pump 11 fixedly connected on a supporting plate 1, a liquid storage tank 2 fixedly connected on a top plate 6, a circulation pipe 13 fixedly sleeved on the liquid receiving tank 701, a free end of the circulation pipe 13 fixedly sleeved on a water inlet end of the circulation pump 11, a return pipe 12 fixedly sleeved on a water outlet end of the circulation pump 11, and a free end of the return pipe 12 fixedly sleeved on the top of the liquid storage tank 2; the other free end of the liquid inlet pipe 16 is fixedly sleeved at the bottom end of the liquid storage tank 2.
When the flow hole 1801 communicates with the liquid inlet pipe 16, the liquid in the liquid storage tank 2 flows into the housing 17 through the liquid inlet pipe 16, flows into the detection pipe 4, detects the air tightness defect, and discharges or pours the detected liquid into the liquid receiving tank 701, and under the action of the circulation pump 11, the liquid in the liquid receiving tank 701 is pumped out through the circulation pipe 13 and flows into the liquid storage tank 2 again through the return pipe 12.
In this embodiment, the inlet tube 16 is a flexible tube.
In order to be convenient for place the spare part that awaits measuring, the symmetry is provided with two horizontal poles 8 in the liquid receiving tank 701, sliding connection has loading board 5 on the horizontal pole 8, a plurality of through-hole 502 has been seted up on the loading board 5, make the liquid that the defect position overflowed can flow into in the liquid receiving tank 701 through-hole 502, and the top is provided with a plurality of reference columns 501, can be spacing to the top part that awaits measuring, the width of loading board 5 is less than the width of liquid receiving tank 701, avoid liquid to flow out liquid receiving tank 701, and the both sides of loading board 5 are provided with the guide face, the liquid of being convenient for flows into liquid receiving tank 701, still be provided with handle 503 on the loading board 5, be convenient for drive loading board 5 and slide on horizontal pole 8 through handle 503, and then be convenient for take out the spare part that awaits measuring.
In order to improve the stability of the movement of the detection tube 4, as shown in fig. 1 and 2, the output end of the push rod motor 3 is fixedly connected with a connecting sleeve 10, the detection tube 4 is fixedly sleeved on the outer ring of the connecting sleeve 10, the outer ring of the detection tube 4 is fixedly sleeved with a sleeve 9, two sides of the sleeve 9 are fixedly connected with guide rods 901, and the guide rods 901 are in sliding connection with the guide ports 101.
In order to be convenient for carry out the fluid infusion to liquid reserve tank 2, the feed liquor hole has been seted up at the top of liquid reserve tank 2, in order to be convenient for observe the defect position of spare part, annotates colored liquid in the liquid reserve tank 2, when the liquid overflows, more audio-visual location gas tightness defect position.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a location defect position's gas tightness leak hunting device, includes supporting element, its characterized in that: the device is characterized in that a push rod motor (3) is arranged on the supporting unit, an L-shaped detection tube (4) is arranged at the output end of the push rod motor (3), a pressure tester is arranged on the detection tube (4), an adjusting piece is arranged at the transverse free end of the detection tube (4), an air inlet tube (15) and a liquid inlet tube (16) are fixedly sleeved on the adjusting piece, the opening and the closing of the air inlet tube (15) and the liquid inlet tube (16) are controlled through the adjusting piece, and the liquid inlet tube (16) is a telescopic hose;
the support unit is also provided with a circulation collection unit, and liquid circulation is carried out under the cooperation of the liquid inlet pipe (16).
2. The apparatus for leak detection of gas tightness for locating a defective portion according to claim 1, wherein: the supporting unit comprises a supporting plate (1), a top plate (6) is arranged at the top of the supporting plate (1), and a bottom plate (7) is arranged at the bottom of the supporting plate (1); the support plate (1), the top plate (6) and the bottom plate (7) are integrally formed, a guide opening (101) is formed in the support plate (1), and the detection tube (4) moves up and down under the action of the push rod motor (3).
3. The apparatus for leak detection of gas tightness for locating a defective portion according to claim 2, wherein: the adjusting piece comprises a shell (17) fixedly sleeved at the transverse free end of the detection tube (4), an adjusting sleeve (18) is rotatably sleeved on the shell (17), a flow hole (1801) is formed in the adjusting sleeve (18), and the flow hole (1801) is matched with the air inlet tube (15) and the liquid inlet tube (16);
the adjusting sleeve (18) is fixedly connected with an adjusting knob (14) positioned outside the shell (17), and the adjusting knob (14) is rotationally connected with the shell (17).
4. A gas tightness leak detection apparatus for locating a defective portion according to claim 3, wherein: the circulating collection unit comprises a liquid receiving groove (701) formed in the bottom plate (7), a circulating pump (11) fixedly connected to the supporting plate (1), a liquid storage tank (2) fixedly connected to the top plate (6), a circulating pipe (13) is fixedly sleeved on the liquid receiving groove (701), the free end of the circulating pipe (13) is fixedly sleeved with the water inlet end of the circulating pump (11), a return pipe (12) is fixedly sleeved at the water outlet end of the circulating pump (11), and the free end of the return pipe (12) is fixedly sleeved with the top of the liquid storage tank (2);
the other free end of the liquid inlet pipe (16) is fixedly sleeved at the bottom end of the liquid storage tank (2).
5. The apparatus for leak detection of gas tightness for locating a defective portion according to claim 4, wherein: two cross bars (8) are symmetrically arranged in the liquid receiving groove (701), the cross bars (8) are connected with a bearing plate (5) in a sliding mode, a plurality of through holes (502) are formed in the bearing plate (5), a plurality of positioning columns (501) are arranged at the top of the bearing plate, the width of the bearing plate (5) is smaller than that of the liquid receiving groove (701), guide surfaces are arranged on two sides of the bearing plate (5), and handles (503) are further arranged on the bearing plate (5).
6. The apparatus for leak detection of gas tightness for locating a defective portion according to claim 2, wherein: the output end fixedly connected with adapter sleeve (10) of push rod motor (3), detect pipe (4) is fixed cup joint the outer lane of adapter sleeve (10), the outer lane of detecting pipe (4) is still fixed cup joint sleeve pipe (9), the both sides fixedly connected with guide bar (901) of sleeve pipe (9), guide bar (901) with guiding mouth (101) sliding connection.
7. The apparatus for leak detection of gas tightness for locating a defective portion according to claim 4, wherein: the top of the liquid storage tank (2) is provided with a liquid inlet, and colored liquid is filled in the liquid storage tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321470021.0U CN220063288U (en) | 2023-06-09 | 2023-06-09 | Air tightness leakage detection device for positioning defect part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321470021.0U CN220063288U (en) | 2023-06-09 | 2023-06-09 | Air tightness leakage detection device for positioning defect part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063288U true CN220063288U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321470021.0U Active CN220063288U (en) | 2023-06-09 | 2023-06-09 | Air tightness leakage detection device for positioning defect part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063288U (en) |
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2023
- 2023-06-09 CN CN202321470021.0U patent/CN220063288U/en active Active
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