CN216869924U - Titanium tube heat exchanger gas tightness detection device - Google Patents
Titanium tube heat exchanger gas tightness detection device Download PDFInfo
- Publication number
- CN216869924U CN216869924U CN202220107345.7U CN202220107345U CN216869924U CN 216869924 U CN216869924 U CN 216869924U CN 202220107345 U CN202220107345 U CN 202220107345U CN 216869924 U CN216869924 U CN 216869924U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- tube heat
- titanium tube
- air tightness
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a titanium tube heat exchanger air tightness detection device, which relates to the technical field of titanium tube heat exchanger detection devices, and comprises: a water container; the mounting plate is rotatably arranged at the top of the water container; and the air tightness clamp is used for fixing and sealing the titanium tube heat exchanger, the air tightness clamp is provided with two air tightness clamps which are arranged on the mounting plate in a sliding manner, the two air tightness clamps are correspondingly communicated with an inlet and an outlet of the titanium tube heat exchanger respectively, one air tightness clamp is communicated with high-pressure gas, and the other air tightness clamp is used for plugging the titanium tube heat exchanger to enable the inside of the titanium tube heat exchanger to form a high-pressure closed space. The titanium tube heat exchanger air tightness detection device is anti-loosening, good in air tightness and convenient to operate and can adapt to different specifications or sizes.
Description
Technical Field
The utility model relates to the technical field of titanium tube heat exchanger detection devices, in particular to a titanium tube heat exchanger air tightness detection device.
Background
The titanium tube heat exchanger is a heat exchange device which is made of titanium tubes and transfers part of heat of hot fluid to cold fluid.
In the production and manufacturing process of the titanium tube heat exchanger, the formed heat exchanger needs to be subjected to air tightness detection, and the titanium tube heat exchanger with leakage is prevented from flowing into the market.
Because of the material characteristics of the heat exchanger itself and the factors of the service environment, the required air tightness detection pressure ratio is higher, generally more than 4.0Mpa, and the titanium tube heat exchanger has different pipe diameters or different specifications, and the current detection device has the technical problems of insufficient clamping force, poor sealing effect and incapability of adapting to different specifications or sizes.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a titanium tube heat exchanger air tightness detection device, and aims to provide a titanium tube heat exchanger air tightness detection device which is anti-loosening, good in air tightness, convenient to operate and adaptable to different specifications or sizes.
In order to achieve the above object, the present invention provides a device for detecting air tightness of a titanium tube heat exchanger, which comprises:
a water container;
the mounting plate is rotatably arranged at the top of the water container;
and the air tightness clamp is used for fixing and sealing the titanium tube heat exchanger, the air tightness clamp is provided with two air tightness clamps which are arranged on the mounting plate in a sliding manner, the two air tightness clamps are correspondingly communicated with an inlet and an outlet of the titanium tube heat exchanger respectively, one air tightness clamp is communicated with high-pressure gas, and the other air tightness clamp is used for plugging the titanium tube heat exchanger to enable the inside of the titanium tube heat exchanger to form a high-pressure closed space.
Optionally, the mounting panel is provided with a sliding groove, the gas tightness anchor clamps are provided with stop screws, the stop screws pass through the sliding groove and with the gas tightness anchor clamps threaded connection.
Optionally, the gas-tight clamp comprises:
the fixing seat is in sliding fit with the mounting plate and comprises a first fixing block and a second fixing block, and a matching hole is formed between the first fixing block and the second fixing block;
the cylinder is arranged on the first fixing block, and a piston rod of the cylinder penetrates through the first fixing block and extends into the matching hole;
the sliding block is arranged on the piston rod, and the cylinder drives the sliding block to be close to or far away from the second fixed block;
the third fixing block is arranged on the fixing seat and is positioned behind the matching hole;
the sealing shaft is arranged on the third fixing block and faces the matching hole;
the sealing shaft of one air tightness clamp is communicated with high-pressure gas, and the sealing shaft of the other air tightness clamp is used for plugging the titanium tube heat exchanger.
Optionally, one of the sealing shafts is communicated with high-pressure gas through a gas pipe, and the other sealing shaft is plugged through a pressure gauge.
Optionally, the trachea is provided with a pressure relief valve.
Optionally, the sealing shaft is arranged on the third fixing block in a threaded connection mode, the sealing shaft is provided with a sealing ring, the sealing shaft extends into the titanium tube heat exchanger, and the sealing ring is tightly attached to the sealing shaft.
Optionally, the second fixed block is provided with a first positioning groove, the sliding block is provided with a second positioning groove, and the first positioning groove and the second positioning groove are both arc grooves and are adapted to the outer surface of the titanium tube heat exchanger.
Optionally, the air-tight fixture further comprises an air cylinder switch, the air cylinder switch is communicated with compressed air, and the air cylinder switch is arranged on the fixing seat and communicated with the air cylinder.
Optionally, the cylinder, the first fixing block and the second fixing block are connected by a threaded fastener.
Optionally, flourishing water receptacle is equipped with rotates the seat, the both ends of mounting panel are equipped with the axis of rotation, the axis of rotation with it connects to rotate the seat articulated.
The technical scheme of the utility model comprises a water container, a mounting plate which is rotatably arranged at the top of the water container and two air-tight clamps which are in sliding fit with the mounting plate, wherein the two air-tight clamps can be movably arranged to adapt to titanium tube heat exchangers with different specifications, the titanium tube heat exchanger is provided with an inlet and an outlet, the two air-tight clamps are correspondingly communicated with the inlet and the outlet, one air-tight clamp is communicated with high-pressure gas, the other air-tight clamp is used for plugging the titanium tube heat exchanger, one end of the air-tight clamp is introduced with the high-pressure gas, the other end of the air-tight clamp is plugged, so that a high-pressure closed space is formed inside the titanium tube heat exchanger, water is filled in the water container, the mounting plate rotates relative to the water container, the titanium tube heat exchanger is soaked in the water, whether leakage and the leakage position are convenient to observe, and the technical means of adopting the air-tight clamps which are in sliding fit to adapt to the titanium tube heat exchangers with different specifications and enabling the inside of the titanium tube heat exchangers to form the high-pressure closed space are adopted, and soak in aqueous through titanium pipe heat exchanger in order to observe the condition of revealing, so, effectively solved detection device among the prior art and had the technical problem that the clamping force is not enough, sealed effect is poor and can't adapt to different specifications or size, and then realized providing one kind and prevented taking off, the gas tightness is good and convenient operation is adaptable different specifications or size's technical effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an air tightness detection device of a titanium tube heat exchanger according to the present invention;
FIG. 2 is a schematic structural view of another view angle of the titanium tube heat exchanger air tightness detection device of the present invention;
FIG. 3 is a schematic structural view of the airtight jig of the present invention;
FIG. 4 is a schematic structural view of another view of the hermetic clamp according to the present invention;
FIG. 5 is a schematic front view of the hermetic clamp of the present invention;
FIG. 6 is a schematic view of a disassembled structure of the airtight clamp of the present invention;
the reference numbers illustrate:
a titanium tube heat exchanger air tightness detection device 100; a water container 10; a mounting plate 20; a slide groove 21; an airtight jig 30; a fixed seat 31; a first fixing block 311; a second fixed block 312; a set screw 313; a cylinder 32; a slider 33; a third fixing block 34; a seal shaft 35; a seal ring 351; a cylinder switch 36; an air tube 40; a pressure gauge 50; a titanium tube heat exchanger 200.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a titanium tube heat exchanger air tightness detection device 100 which is used for detecting whether a titanium tube heat exchanger 200 leaks or not.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In an embodiment of the present invention, as shown in fig. 1 and 2, the titanium tube heat exchanger airtightness detection apparatus 100 includes a water container 10, a mounting plate 20, and an airtightness fixture 30, wherein the mounting plate 20 is rotatably provided on the top of the water container 10; the gas-tight clamp 30 is used for fixing and sealing the titanium tube heat exchanger 200, two gas-tight clamps 30 are slidably arranged on the mounting plate 20, the two gas-tight clamps 30 are correspondingly communicated with the inlet and the outlet of the titanium tube heat exchanger 200 respectively, one gas-tight clamp 30 is communicated with high-pressure gas, and the other gas-tight clamp 30 is used for plugging the titanium tube heat exchanger 200, so that a high-pressure closed space is formed in the titanium tube heat exchanger 200.
It can understand, flourishing water receptacle 10 is used for adorning water, let in high-pressure gas's titanium pipe heat exchanger 200 when soaking in aqueous, if the pipe wall has the damage then can be at aquatic bubble, can in time accurately find the leak point, titanium pipe heat exchanger 200 passes through titanium pipe processing formation coil form, its both ends are import and export respectively, examine time measuring, import and export are by gas tightness anchor clamps 30 centre gripping and intercommunication respectively, can be import intercommunication high-pressure gas and export by the shutoff, also can export intercommunication high-pressure gas and import by the shutoff, titanium pipe heat exchanger 200's one end intercommunication high-pressure gas and other end shutoff can be so that inside forms high-pressure confined space, thereby judge whether titanium pipe heat exchanger 200 has the hidden danger of revealing. The titanium tube heat exchanger 200 has various specifications, i.e., the distance between the inlet and the outlet is not fixed, so that the airtight clamps 30 are movably arranged, and the distance between the two airtight clamps 30 is adjusted according to different specifications for better fitting installation.
The technical scheme of the utility model comprises a water container 10, a mounting plate 20 which is rotatably arranged at the top of the water container 10 and two air-tight clamps 30 which are in sliding fit with the mounting plate 20, wherein the two air-tight clamps 30 can be movably arranged to adapt to titanium tube heat exchangers 200 with different specifications, the titanium tube heat exchanger 200 is provided with an inlet and an outlet, the two air-tight clamps 30 are correspondingly communicated with the inlet and the outlet, one air-tight clamp 30 is communicated with high-pressure gas, the other air-tight clamp 30 is used for plugging the titanium tube heat exchanger 200, one end of the air-tight clamp is introduced with the high-pressure gas, the other end of the air-tight clamp is plugged, so that a high-pressure closed space is formed inside the titanium tube heat exchanger 200, water is filled in the water container 10, the mounting plate 20 rotates relative to the water container 10 to soak the titanium tube heat exchanger 200 in the water, and the position of leakage and leakage can be conveniently observed, because the technical means that the air-tight clamps 30 which are in sliding fit to adapt to the titanium tube heat exchangers 200 with different specifications and enable the inside of the titanium tube heat exchangers to form the high-pressure closed space is adopted, and soak in aqueous through titanium pipe heat exchanger 200 in order to observe the condition of revealing, so, effectively solved detection device among the prior art and had the technical problem that the clamping strength is not enough, sealed effect is poor and can't adapt to different specifications or size, and then realized providing one kind and prevented taking off, the gas tightness is good and convenient operation can adapt to the different specifications or size's technical effect.
In the embodiment of the present invention, as shown in fig. 1 and 2, the mounting plate 20 is provided with the sliding groove 21, and the airtight jig 30 is provided with the stopper screw 313, and the stopper screw 313 passes through the sliding groove 21 and is screw-coupled with the airtight jig 30. The stopper screw 313 is slidably engaged with the slide groove 21, thereby changing the position of the airtight jig 30.
In an embodiment of the present invention, as shown in fig. 3, 4, 5 and 6, the airtight fixture 30 includes a fixed seat 31, a cylinder 32, a sliding block 33, a third fixed block 34 and a sealing shaft 35, wherein the fixed seat 31 is slidably fitted with the mounting plate 20, the fixed seat 31 includes a first fixed block 311 and a second fixed block 312, and a fitting hole is formed between the first fixed block 311 and the second fixed block 312; the air cylinder 32 is arranged on the first fixing block 311, and a piston rod of the air cylinder 32 penetrates through the first fixing block 311 and extends into the matching hole; the sliding block 33 is arranged on the piston rod, and the air cylinder 32 drives the sliding block 33 to be close to or far away from the second fixed block 312; the third fixing block 34 is arranged on the fixing seat 31 and behind the matching hole; the sealing shaft 35 is arranged on the third fixing block 34 and faces the matching hole; the sealing shaft 35 of one air-tight clamp 30 is communicated with high-pressure gas, and the sealing shaft 35 of the other air-tight clamp 30 seals the titanium tube heat exchanger 200.
It can be understood that the end of the titanium tube heat exchanger 200 passes through the second fixed block 312 and the sliding block 33, and the inlet or the outlet of the titanium tube heat exchanger is sealed by the sealing shaft 35, and the air cylinder 32 drives the sliding block 33 to move towards the direction of the second fixed block 312, so that the end of the titanium tube heat exchanger 200 is clamped between the second fixed block 312 and the sliding block 33, thereby achieving the sealing and clamping fixation. One of the sealing shafts 35 is communicated with high-pressure gas, the other sealing shaft 35 is a plug, and a high-pressure closed space is formed inside the titanium tube heat exchanger 200 in a mode that the high-pressure gas is introduced into one end of the sealing shaft and the other end of the sealing shaft is plugged. The utility model realizes clamping and fixing through the air cylinder 32 and has the characteristics of large clamping force, high efficiency and safety. The two limit screws 313 of the present invention are respectively disposed at the bottoms of the first fixing block 311 and the second fixing block 312.
In the embodiment of the present invention, as shown in fig. 1 and 2, one sealing shaft 35 is connected to high pressure gas through a gas pipe 40, and the other sealing shaft 35 is sealed by a pressure gauge 50. The pressure gauge 50 can also be used for observing the actual air pressure of the titanium tube heat exchanger 200 in the air tightness detection process, so that the adverse phenomenon that the air pressure of the passing air is too large or too small is reduced.
The two ends of the titanium tube heat exchanger 200 are clamped and sealed through the air-tight clamp 30, the mounting plate 20 is rotated to enable the titanium tube heat exchanger 200 to be soaked in the water container 10, the air tube 40 passes through high-pressure gas of 4.0MPa, the position of a pointer of the pressure gauge 50 is observed, when the pointer indicates 4.0-4.5 MPa, the gas is stopped to be introduced, the pressure inside the titanium tube heat exchanger 200 is maintained, and whether bubbles emerge from the water container 10 or not is observed.
In an embodiment of the utility model, the air tube 40 is provided with a pressure relief valve. After the detection is finished, the high-pressure gas in the titanium tube heat exchanger 200 can be discharged through the pressure release valve, and then the cylinder 32 of the airtight fixture 30 is opened, so that the second fixed block 312 and the sliding block 33 release the two ends of the titanium tube heat exchanger 200, and the titanium tube heat exchanger 200 can be taken out.
In the embodiment of the present invention, as shown in fig. 6, the sealing shaft 35 is disposed on the third fixing block 34 by a threaded connection manner, the sealing shaft 35 is provided with a sealing ring 351, the sealing shaft 35 extends into the titanium tube heat exchanger 200, and the sealing ring 351 is used for realizing a tight fit. Sealing shaft 35 is used for stretching into titanium tube heat exchanger 200, and closely laminates rather than the inner wall and realizes sealing, and when titanium tube heat exchanger 200's specification changed, then sealing shaft 35 need change different sizes in order to realize the cooperation, and third fixed block 34 is located through threaded connection's mode to sealing shaft 35, has the characteristics that make things convenient for dismouting and change.
In the embodiment of the present invention, as shown in fig. 3, 4, 5 and 6, the second fixing block is provided with a first positioning groove, the sliding block 33 is provided with a second positioning groove, and the first positioning groove and the second positioning groove are both arc grooves and are adapted to the outer surface of the titanium tube heat exchanger 200. It can be understood that the titanium tube of the titanium tube heat exchanger 200 is a circular tube, so that the second fixing block and the sliding block 33 for clamping the titanium tube heat exchanger 200 are both provided with arc grooves adapted to the external shape thereof, and the contact area can be increased to improve the clamping effect.
In the embodiment of the present invention, as shown in fig. 3, 4, 5 and 6, the air-tight clamp 30 further includes an air cylinder switch 36, the air cylinder switch 36 is communicated with compressed air, and the air cylinder switch 36 is disposed on the fixing base 31 and is communicated with the air cylinder 32. The cylinder switch 36 is used for controlling the cylinder 32, and further controlling the sliding block 33 to extend or retract so as to clamp or release the titanium tube heat exchanger 200.
In the embodiment of the present invention, the cylinder 32, the first fixing block 311, and the second fixing block 312 are coupled by a screw fastener. The mode of connecting through threaded fastener makes things convenient for the dismouting.
In the embodiment of the present invention, as shown in fig. 1 and 2, the water container 10 is provided with a rotating base, and the mounting plate 20 is provided at both ends thereof with rotating shafts, which are hinge-connected to the rotating base. The mounting plate 20 is rotated with respect to the rotary base so that the titanium tube heat exchanger 200 is immersed in the water container 10.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a titanium pipe heat exchanger gas tightness detection device which characterized in that, titanium pipe heat exchanger gas tightness detection device includes:
a water container;
the mounting plate is rotatably arranged at the top of the water container;
and the air tightness clamp is used for fixing and sealing the titanium tube heat exchanger, the air tightness clamp is provided with two air tightness clamps which are arranged on the mounting plate in a sliding manner, the two air tightness clamps are correspondingly communicated with an inlet and an outlet of the titanium tube heat exchanger respectively, one air tightness clamp is communicated with high-pressure gas, and the other air tightness clamp is used for plugging the titanium tube heat exchanger to enable the inside of the titanium tube heat exchanger to form a high-pressure closed space.
2. The titanium tube heat exchanger airtightness detection apparatus according to claim 1, wherein the mounting plate is provided with a sliding groove, and the airtightness clamp is provided with a limit screw which passes through the sliding groove and is in threaded connection with the airtightness clamp.
3. The titanium tube heat exchanger airtightness detection apparatus according to claim 1, wherein the airtightness fixture comprises:
the fixing seat is in sliding fit with the mounting plate and comprises a first fixing block and a second fixing block, and a matching hole is formed between the first fixing block and the second fixing block;
the cylinder is arranged on the first fixing block, and a piston rod of the cylinder penetrates through the first fixing block and extends into the matching hole;
the sliding block is arranged on the piston rod, and the cylinder drives the sliding block to be close to or far away from the second fixed block;
the third fixing block is arranged on the fixing seat and is positioned behind the matching hole;
the sealing shaft is arranged on the third fixing block and faces the matching hole;
and the sealing shaft of one of the air tightness fixtures is communicated with high-pressure gas, and the sealing shaft of the other air tightness fixture blocks the titanium tube heat exchanger.
4. The titanium tube heat exchanger gas tightness detection device of claim 3, characterized in that one of the sealing shafts is communicated with high-pressure gas through a gas tube, and the other sealing shaft is sealed through a pressure gauge.
5. The titanium tube heat exchanger gas tightness detection device of claim 4, characterized in that the gas tube is provided with a pressure relief valve.
6. The titanium tube heat exchanger airtightness detection device according to claim 3, wherein the seal shaft is provided with a seal ring in a threaded connection manner on the third fixed block, the seal shaft extends into the titanium tube heat exchanger, and tight attachment is achieved by the seal ring.
7. The titanium tube heat exchanger gas tightness detection device of claim 3, wherein the second fixed block is provided with a first positioning groove, the sliding block is provided with a second positioning groove, and the first positioning groove and the second positioning groove are both arc grooves and are adapted to the outer surface of the titanium tube heat exchanger.
8. The titanium tube heat exchanger airtightness detection apparatus according to claim 3, wherein the airtightness fixture further comprises an air cylinder switch, the air cylinder switch is communicated with compressed air, and the air cylinder switch is provided on the fixing base and is communicated with the air cylinder.
9. The titanium tube heat exchanger airtightness detection apparatus according to claim 3, wherein the cylinder, the first fixing block, and the second fixing block are connected by a threaded fastener.
10. The titanium tube heat exchanger airtightness detection apparatus according to any one of claims 1 to 9, wherein the water container is provided with a rotating seat, and both ends of the mounting plate are provided with rotating shafts, and the rotating shafts are connected with the rotating seat in an articulated manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107345.7U CN216869924U (en) | 2022-01-13 | 2022-01-13 | Titanium tube heat exchanger gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107345.7U CN216869924U (en) | 2022-01-13 | 2022-01-13 | Titanium tube heat exchanger gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869924U true CN216869924U (en) | 2022-07-01 |
Family
ID=82151918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220107345.7U Active CN216869924U (en) | 2022-01-13 | 2022-01-13 | Titanium tube heat exchanger gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216869924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993562A (en) * | 2022-08-07 | 2022-09-02 | 江苏佳成冷却系统有限公司 | Radiator assembly gas tightness detection device |
-
2022
- 2022-01-13 CN CN202220107345.7U patent/CN216869924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993562A (en) * | 2022-08-07 | 2022-09-02 | 江苏佳成冷却系统有限公司 | Radiator assembly gas tightness detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216869924U (en) | Titanium tube heat exchanger gas tightness detection device | |
| CN114486101A (en) | Pressure pipeline detection device convenient to operate and using method thereof | |
| CN211626851U (en) | Ball valve air tightness detection device capable of detecting a pair of ball valves at one time | |
| CN108896253A (en) | The seal test device and test method of bellows | |
| CN110907102B (en) | Valve detection device | |
| CN211553216U (en) | Simple and easy cylinder lithium cell gas tightness test fixture | |
| CN210998340U (en) | Sealing tool device for testing automobile engine oil pipe | |
| CN209117269U (en) | Rotary ceramic valve core air tightness test mechanism | |
| CN204267925U (en) | A kind of airtight leak detection joint | |
| CN217505134U (en) | Sealing test device of bellows | |
| CN214010697U (en) | Leakproofness detection device is used in tee bend production | |
| CN216621658U (en) | Polyvinyl chloride corrugated pipe air tightness detection device | |
| CN206002263U (en) | Pipe end pressure-detecting device | |
| CN207007440U (en) | A kind of heat exchanger tube helium checking device | |
| CN205940905U (en) | Annotate liquid machine anchor clamps airtightness detecting device | |
| CN212206495U (en) | Pipe fitting sealing performance detection device | |
| CN212621344U (en) | Car cooling tube gas tightness detection device with radiating fin | |
| CN106226007A (en) | Pipe end pressure-detecting device | |
| CN218973769U (en) | Valve pressure testing device | |
| CN220366972U (en) | Hydraulic valve air tightness inspection device | |
| CN213147611U (en) | Valve seat leakage detection tool | |
| CN214789594U (en) | Radiator pipeline connecting piece | |
| CN217878214U (en) | Airtight test fixture of fuel cell system | |
| CN212458813U (en) | Pressure-resistant test device for gas medium sampling pipeline | |
| CN219608365U (en) | Ceramic product vacuum leakage detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |