CN212410000U - Pipeline air tightness detection device - Google Patents
Pipeline air tightness detection device Download PDFInfo
- Publication number
- CN212410000U CN212410000U CN202022137076.2U CN202022137076U CN212410000U CN 212410000 U CN212410000 U CN 212410000U CN 202022137076 U CN202022137076 U CN 202022137076U CN 212410000 U CN212410000 U CN 212410000U
- Authority
- CN
- China
- Prior art keywords
- positioning groove
- pipeline
- cavity
- chamber
- 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
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to an air tightness detects technical field, specifically discloses a pipeline air tightness detection device. The utility model provides a pipeline gas tightness detection device is including carrying seat, inflation piece, air supply subassembly and determine module. The loading seat comprises an installation cavity for installing the pipeline, and the installation cavity comprises an upper positioning groove and a lower positioning groove which are arranged on the side wall of the installation cavity; the upper positioning groove and the lower positioning groove are internally provided with expansion pieces respectively, when the pipeline is arranged in the installation cavity, the expansion pieces can be abutted against the upper positioning groove and the pipeline as well as the lower positioning groove and the pipeline, and the expansion pieces are used for sealing the installation cavity between the upper positioning groove and the lower positioning groove to form a sealed cavity; the gas source assembly is used for injecting gas into the sealed cavity; the detection assembly is used for detecting the air pressure of the sealed cavity. The device simple structure, occupation space are little, and can accomplish the gas tightness detection operation of pipeline rapidly, have improved the efficiency of work.
Description
Technical Field
The utility model relates to an air tightness detects technical field, especially relates to a pipeline air tightness detection device.
Background
The airtightness of the sealed container is a function which is first guaranteed, and is also the most important function which the sealed container must have. However, in the field of casting pipes today, the problem of sand holes and air holes in the cast parts due to the casting process is inevitable.
At present, a method for detecting the air tightness of a sealed container is generally an inflation pressure measurement method, namely, dry compressed air with a certain pressure value is filled into the sealed container, then the inflation is stopped, and a correspondingly installed barometer is used for detecting the pressure.
The method has long assembly time, large occupied space of the device and single type of the measured pipeline, and can not finish the rapid detection operation of various pipelines.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline gas tightness detection device to solve the complicated and inefficiency problem of detection operation step.
To achieve the purpose, the utility model adopts the following technical proposal:
a pipeline air tightness detection device comprises a carrier seat, an expansion piece, an air source assembly and a detection assembly; the loading seat comprises an installation cavity for installing a pipeline, and the installation cavity comprises an upper positioning groove and a lower positioning groove which are arranged on the side wall of the installation cavity; the upper positioning groove and the lower positioning groove are internally provided with the expansion pieces respectively, when the pipeline is arranged in the installation cavity, the expansion pieces can be abutted against the upper positioning groove and the pipeline as well as the lower positioning groove and the pipeline, and the expansion pieces are used for sealing the installation cavity between the upper positioning groove and the lower positioning groove to form a sealed cavity; the gas source assembly is used for injecting gas into the sealed cavity; the detection assembly is used for detecting the air pressure of the sealed cavity.
The inflatable part comprises an inflatable air bag, the inflatable air bag is communicated with an air bag air pump through an air pressure pipe, and the air bag air pump is used for injecting air into the inflatable air bag.
Further, the pneumatic tube is connected with a pneumatic switch valve, and the pneumatic switch valve is controlled to be used for inflating/deflating the inflatable air bag.
Preferably, a separation pipe is further arranged in the sealing cavity, the separation pipe separates the mounting cavity along the axial direction of the mounting cavity and separates the sealing cavity into an outer cavity arranged close to the loading seat and an inner cavity arranged close to the pipeline, and the outer cavity is communicated with the inner cavity; the upper positioning groove and the lower positioning groove are both arranged on the side wall of the outer side cavity, and the separation pipe is provided with a hole for the expansion piece to penetrate through.
Furthermore, a communication hole is formed in the separation pipe and is used for communicating the outer side cavity with the inner side cavity.
Further, the communication hole is provided in plurality along the circumferential direction of the side wall of the partition pipe.
Preferably, the pipe airtightness detection apparatus further comprises an upper attachment plate detachably mounted above the mount, the upper attachment plate being used for positioning the pipe and/or increasing the length of the mounting cavity.
Preferably, the pipeline airtightness detection device further comprises a lower connection plate detachably mounted below the carrier seat, and the lower connection plate is used for increasing the length of the mounting cavity.
Preferably, the air source assembly comprises a detection air pump, and the detection air pump is hermetically connected with a detection air source hole arranged between the upper positioning groove and the lower positioning groove.
Preferably, the detection assembly comprises a pressure display meter, and the pressure display meter is hermetically connected with a pressure display meter hole arranged between the upper positioning groove and the lower positioning groove.
The utility model has the advantages that:
the inflation piece has formed the sealed chamber in the location pipeline, can adapt to the measurement of the pipeline of different grade type, can also be through the relative position of adjustment pipeline and year seat for the different sections of pipeline are arranged in between two inflation pieces, through fixing a position and aerifing the pressure measurement operation many times to different sections on the pipeline, can accomplish the whole gas tightness of pipeline and detect the operation. Gas is injected into the sealing cavity, the detection assembly is used for detecting the air pressure in the sealing cavity, the air tightness detection operation of the pipeline can be completed, and the problems of complex detection operation steps and low efficiency are solved.
Drawings
Fig. 1 is a cross-sectional view of a pipe air-tightness detecting device according to an embodiment of the present invention.
In the figure:
1. a carrier base; 11. a mounting cavity; 111. an upper positioning groove; 112. a lower positioning groove; 12. an air source hole; 13. a pressure display gauge hole; 14. sealing the cavity; 141. an outer cavity; 142. an inner cavity; 2. inflating the balloon; 3. a pressure display gauge; 4. a pneumatic tube; 5. a pneumatic switch valve; 6. a separation tube; 61. a communicating hole; 7. an upper connecting plate; 8. and downloading the connecting plate.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides a pipe airtightness detection apparatus, which includes a carrier 1, an expansion member, an air source assembly, and a detection assembly. The carrier seat 1 comprises a mounting cavity 11 for mounting a pipeline, and the mounting cavity 11 comprises an upper positioning groove 111 and a lower positioning groove 112 which are arranged on the side wall of the mounting cavity 11. The upper positioning groove 111 and the lower positioning groove 112 are internally provided with expansion pieces respectively, when the pipeline is installed in the installation cavity 11, the expansion pieces can abut against the upper positioning groove 111 and the pipeline as well as the lower positioning groove 112 and the pipeline, and the expansion pieces are used for sealing the installation cavity 11 between the upper positioning groove 111 and the lower positioning groove 112 to form a sealed cavity 14; the gas source assembly is used for injecting gas into the sealed cavity 14; the sensing assembly is used to sense the air pressure in the capsule 14. The inflation piece has formed sealed chamber 14 in the pipeline of location, can adapt to the measurement of the pipeline of different grade type, can also be through the relative position of adjustment pipeline and year seat 1 for the different sections of pipeline are arranged in between two inflation pieces, and through fixing a position and aerifing the pressure measurement operation many times to different sections on the pipeline, can accomplish the whole gas tightness detection operation of pipeline. Gas is injected into the sealed cavity 14, the detection assembly is used for detecting the gas pressure in the sealed cavity 14, the gas tightness detection operation of the pipeline can be completed, and the problems of complex detection operation steps and low efficiency are solved.
The expansion part comprises an expansion airbag 2, the expansion airbag 2 is communicated with an airbag air pump through an air pressure pipe 4, and the airbag air pump is used for injecting air into the expansion airbag 2. The inflatable air bag 2 can quickly complete the positioning of the pipeline and the operation of forming the sealing cavity 14, and the inflatable air bag 2 is good in sealing effect, high in positioning speed, economical and environment-friendly. In this embodiment, the upper positioning groove 111 and the lower positioning groove 112 are annular grooves, and the inflatable air bag 2 is annular, which further ensures the sealing effect of the sealing cavity 14. The inflation air bags 2 with different sizes are selected to complete the pipeline air tightness detection operation with different diameters.
Further, a pneumatic switch valve 5 is connected to the pneumatic tube 4, and the pneumatic switch valve 5 is controlled to inflate/deflate the inflatable air bag 2. The setting of air pressure switch valve 5 makes operating personnel can accomplish the location operation of pipeline fast, has promoted the work efficiency of device.
Preferably, a separation pipe 6 is further arranged in the seal cavity 14, the separation pipe 6 separates the installation cavity 11 along the axial direction of the installation cavity 11, and separates the seal cavity 14 into an outer side cavity 141 arranged close to the load seat 1 and an inner side cavity 142 arranged close to a pipeline, and the outer side cavity 141 is communicated with the inner side cavity 142; the upper positioning groove 111 and the lower positioning groove 112 are both opened on the sidewall of the outside cavity 141, and the separating tube 6 is opened with a hole for the expansion member to pass through. The spaced arrangement of the separating tube 6 allows the gas injected by the gas supply assembly to enter the outer chamber 141 first and then the inner chamber 142 associated with the duct, which arrangement also changes the position of the injected gas as it approaches the duct whilst locating the inflatable bladder 2.
Further, the partition pipe 6 is provided with a communication hole 61, and the communication hole 61 is used for communicating the outer chamber 141 and the inner chamber 142. In the present embodiment, the communication hole 61 is provided in plurality along the circumferential direction of the side wall of the partition pipe 6. The arrangement of the communication holes 61 enables the injected gas to approach the pipeline from a plurality of different directions, and the situation that the detection result is deviated due to single gas injection position is avoided.
In this embodiment, the duct airtightness detection apparatus further comprises an upper attachment plate 7 detachably mounted above the carrier seat 1, the upper attachment plate 7 being used to position the duct and/or increase the length of the mounting chamber 11. The pipeline air tightness detection device further comprises a lower connecting plate 8 which is detachably mounted below the carrier seat 1, and the lower connecting plate 8 is used for increasing the length of the mounting cavity 11. The upper and lower connector plates 7 and 8 are arranged so that the apparatus can perform inspection operations for a greater number of pipe locations and a greater variety of pipes. Specifically, the upper connecting plate 7 and the lower connecting plate 8 are both cylindrical structures, and one end of each cylindrical structure is provided with a positioning structure matched with a pipeline or the ground; the other end is detachably connected with the carrying seat 1. When it is difficult to position the pipe located at the upper/lower portion of the sealed chamber 14 only by the inflating airbag 2, positioning operation of various pipes can be realized by providing the upper contact plate 7/the lower contact plate 8. Furthermore, the upper end of the separation tube 6 and the end of the upper connecting plate 7 detachably connected with the carrier seat 1 are also in contact with the inflatable airbag 2 arranged in the upper positioning groove 111, and the lower end of the separation tube 6 and the end of the lower connecting plate 8 detachably connected with the carrier seat 1 are also in contact with the inflatable airbag 2 arranged in the lower positioning groove 112; the above arrangement defines the position of the inflated airbag 2 so that the mounting positions of the two inflated airbags 2 are not deviated.
Preferably, the air source assembly includes a detection air pump, and the detection air pump is hermetically connected to the detection air source hole 12 disposed between the upper positioning groove 111 and the lower positioning groove 112. The gas injection operation in the sealed chamber 14 can be completed quickly by detecting the arrangement of the gas pump.
Preferably, the detecting assembly includes a pressure indicating gauge 3, and the pressure indicating gauge 3 is hermetically connected to the pressure indicating gauge hole 13 disposed between the upper positioning groove 111 and the lower positioning groove 112. The pressure display gauge 3 can intuitively show the air pressure inside the hermetic chamber 14 so that the operation of detecting the airtightness of the pipe can be quickly completed.
When the air tightness detection operation of the pipeline is carried out, firstly, an upper connecting plate 7 and a lower connecting plate 8 which are matched are selected according to the pipeline to be detected, and an expansion air bag 2 with a corresponding size and a separating tube 6 matched with the expansion air bag 2 are selected; mounting an upper connection plate 7, a lower connection plate 8, two expansion airbags 2 and a separation tube 6 on a carrier seat 1; arranging a pipeline in the installation cavity 11, and placing a position to be measured of the pipeline between the two inflatable air bags 2; operating the air pressure switch valve 5, and inflating the inflatable air bag 2 by an air bag air source to enable the inflatable air bag 2 to position the pipeline; the detection air pump injects air into the sealed cavity 14; observing the number indicated by the pressure display table 3 to finish the detection operation of the air tightness of the pipeline; the air pressure switch valve 5 is operated to expand the air bag 2 for deflation; taking out the pipeline; the upper and lower connection plates 7 and 8, the two inflatable air bags 2 and the separation tube 6 are detached from the carrier base 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A pipe airtightness detection apparatus, comprising:
the loading seat (1) comprises an installation cavity (11) for installing a pipeline, wherein the installation cavity (11) comprises an upper positioning groove (111) and a lower positioning groove (112) which are arranged on the side wall of the installation cavity (11);
the expansion pieces are respectively installed in the upper positioning groove (111) and the lower positioning groove (112), when the pipeline is installed in the installation cavity (11), the expansion pieces can abut against the upper positioning groove (111) and the pipeline and the lower positioning groove (112) and the pipeline, and the expansion pieces are used for closing the installation cavity (11) between the upper positioning groove (111) and the lower positioning groove (112) to form a sealed cavity (14);
a gas source assembly for injecting gas into the sealed chamber (14);
a detection assembly for detecting the air pressure of the sealed cavity (14).
2. The pipeline airtightness detection apparatus according to claim 1, wherein the inflatable member includes an inflatable bladder (2), and the inflatable bladder (2) is communicated with a bladder air pump through a pneumatic tube (4), the bladder air pump being configured to inject a gas into the inflatable bladder (2).
3. The piping airtightness detection apparatus according to claim 2, wherein a pneumatic switching valve (5) is connected to said pneumatic tube (4), and said pneumatic switching valve (5) is controlled for inflating/deflating said inflatable bladder (2).
4. The pipeline airtightness detection apparatus according to claim 1, wherein a separation tube (6) is further provided in the seal chamber (14), the separation tube (6) separating the installation chamber (11) in the axial direction of the installation chamber (11) and dividing the seal chamber (14) into an outer chamber (141) provided adjacent to the carrier (1) and an inner chamber (142) provided adjacent to the pipeline, the outer chamber (141) communicating with the inner chamber (142); the upper positioning groove (111) and the lower positioning groove (112) are both arranged on the side wall of the outer side cavity (141), and the separating tube (6) is provided with a hole for the expansion piece to penetrate through.
5. The piping airtightness detection apparatus according to claim 4, wherein a communication hole (61) is provided in the separation pipe (6), the communication hole (61) being for communicating the outside chamber (141) and the inside chamber (142).
6. The piping airtightness detection apparatus according to claim 5, wherein the communication hole (61) is provided in plurality in the circumferential direction along the side wall of the separation pipe (6).
7. The pipe air-tightness detecting device according to claim 1, further comprising an upper attachment plate (7) detachably mounted above said carriage (1), said upper attachment plate (7) being used for positioning said pipe and/or increasing the length of said mounting cavity (11).
8. The pipe air-tightness detecting device according to claim 1, further comprising a lower contact plate (8) detachably mounted below said mount (1), said lower contact plate (8) being adapted to increase the length of said mounting chamber (11).
9. The pipe airtightness detection apparatus according to claim 1, wherein said air supply unit includes a detection air pump sealingly connected to a detection air supply hole (12) provided between said upper positioning groove (111) and said lower positioning groove (112).
10. The pipe airtightness detection apparatus according to claim 1, wherein said detection unit includes a pressure display gauge (3), said pressure display gauge (3) being sealingly connected to a pressure display gauge hole (13) provided between said upper positioning groove (111) and said lower positioning groove (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137076.2U CN212410000U (en) | 2020-09-25 | 2020-09-25 | Pipeline air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137076.2U CN212410000U (en) | 2020-09-25 | 2020-09-25 | Pipeline air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212410000U true CN212410000U (en) | 2021-01-26 |
Family
ID=74375335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022137076.2U Active CN212410000U (en) | 2020-09-25 | 2020-09-25 | Pipeline air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212410000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067212A (en) * | 2020-09-25 | 2020-12-11 | 上海骄成机电设备有限公司 | A pipeline air tightness detection device |
-
2020
- 2020-09-25 CN CN202022137076.2U patent/CN212410000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067212A (en) * | 2020-09-25 | 2020-12-11 | 上海骄成机电设备有限公司 | A pipeline air tightness detection device |
| CN112067212B (en) * | 2020-09-25 | 2025-01-03 | 上海骄成超声波技术股份有限公司 | A pipeline air tightness detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112067212B (en) | A pipeline air tightness detection device | |
| CN103889744A (en) | Pneumatic devices mainly used to control the automatic inflation and deflation of tires | |
| CN108593226B (en) | Kettle body air tightness detection device and detection method | |
| CN113970414A (en) | Underground pipeline leakage point detection device and detection method thereof | |
| CN212410000U (en) | Pipeline air tightness detection device | |
| CN215178449U (en) | Auxiliary device for detecting air tightness of motor | |
| CN117268658A (en) | Gasbag gas tightness detection device | |
| CN216309361U (en) | Airtightness detection device for power plant maintenance | |
| CN109655213A (en) | A kind of gloves gas leak detection device and its working method | |
| CN116907767A (en) | Valve gas tightness continuity check out test set based on electric automatization | |
| CN218956033U (en) | Valve tightness detection device | |
| CN101251432A (en) | Apparatus for detection of multifunctional car light airtightness and bearing | |
| CN216344661U (en) | Gas pipeline flange joint leakage detection device | |
| CN106768731A (en) | The air tightness testing method and its equipment of a kind of filter element of water purifier cylinder | |
| CN211504576U (en) | Ball valve air tightness detection device | |
| CN112944064A (en) | Pipeline sealing device and sealing method thereof | |
| CN219589873U (en) | Pneumatic micro-leakage tester | |
| CN215985150U (en) | Detection Systems | |
| CN207197952U (en) | Storage pressure tests water jacket | |
| CN216050472U (en) | Automatic air tightness detection tool for plastic fuel tank production line | |
| CN211364228U (en) | Annular air bag door | |
| CN210461020U (en) | Automatic pressure detecting inflation and decompression inflation device | |
| CN114323487B (en) | Multifunctional carrier | |
| CN221527921U (en) | Air leakage tester for massage waistband air bag | |
| CN217481514U (en) | Water pump seal detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200240 floor 3, building 2, No. 1488, Cangyuan Road, Minhang District, Shanghai Patentee after: Shanghai Jiaocheng Ultrasonic Technology Co.,Ltd. Address before: 200241 1st floor, building 3, 48 Lane 4916, Hongmei South Road, Minhang District, Shanghai Patentee before: SBT ENGINEERING SYSTEMS Co.,Ltd. |
|
| CP03 | Change of name, title or address |