CN221170721U - Plugging structure for airtight leak detector - Google Patents
Plugging structure for airtight leak detector Download PDFInfo
- Publication number
- CN221170721U CN221170721U CN202322416106.7U CN202322416106U CN221170721U CN 221170721 U CN221170721 U CN 221170721U CN 202322416106 U CN202322416106 U CN 202322416106U CN 221170721 U CN221170721 U CN 221170721U
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- Prior art keywords
- positioning
- sleeve
- sealing
- leak detector
- mounting disc
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a plugging structure for an airtight leak detector, which comprises a mounting plate, wherein a mounting hole is formed in the mounting plate, one side of the mounting plate is fixedly connected with a positioning cylinder through a bolt, the positioning cylinder is provided with a sealing sleeve at the outer side, a positioning column is arranged in the positioning cylinder, a detection rod is arranged in the positioning column, one end of the detection rod penetrates through the mounting plate to be connected with a pressure detection meter, a damping mechanism is arranged on the positioning cylinder, one side of the damping mechanism is fixedly limited through a locking sleeve, a pressing mechanism is further arranged at the outer side of the sealing sleeve, and a buffering positioning mechanism is arranged in the positioning cylinder.
Description
Technical Field
The utility model belongs to the technical field of airtight leak detectors, and particularly relates to a plugging structure for an airtight leak detector.
Background
Currently, an air tightness leak detector is also called an air tightness detector, a tightness detector and an air leakage tester. Leak detection is to detect whether a product is leaked or not by the name, and leakage refers to the phenomenon of abnormal overflow of gas or liquid affecting the quality of the product in the production process, so that the quality of the produced product is controlled more strictly in order to avoid harm and disaster to life caused by leakage of the product, and leakage detection can be carried out on the produced product in the pipeline production process.
In the actual working process of the airtight leak detector, two ends of a pipeline are required to be blocked through a blocking structure, then, the inside of the pipeline is inflated through an air pipe arranged on the blocking structure at one end of the pipeline, the pipeline is kept stand for a period of time, the pressure of the pipeline is stable, and the pressure change is measured after the established measurement time. If there is a leak, the pressure will drop.
The Chinese patent with the publication number of CN219391274U discloses a plugging structure for an airtight leak detector, which relates to the field of airtight leak detection tools and comprises a mounting seat and a replaceable plugging head, wherein a containing channel is formed in the surface of the mounting seat, a positioning tube is embedded in the containing channel, a counterpoint channel is formed in the surface of the positioning tube, and the rear end of the plugging head is fixedly connected with an extension shaft which is matched with the inner diameter of the positioning tube. The plugging head can be separated from the mounting seat, so that the purposes of disassembling and replacing the plugging heads with different specifications are achieved, the plugging head is suitable for plugging requirements of pipelines with different specifications, the plugging head has the advantage of portable operation, and the applicability of the plugging structure is improved. Simultaneously, can effectively avoid producing the gap between shutoff head and the mount pad, between the terminal surface of regulating block and locating tube, further can avoid shutoff head, extension axle and regulating block to appear rocking the phenomenon, be favorable to shutoff head accuracy and pipeline opening part butt joint.
Although this seal may be achieved, however: this kind of sealed effect is not stable enough, when the inside atmospheric pressure of detection cavity is too big, can continuously extrude the shutoff head, makes its deformation, and the continuous flow of air current can make the shutoff head shake to influence sealed effect, is not provided with buffer gear and structure protection mechanism in the above-mentioned patent structure simultaneously, and holistic security is poor, is unfavorable for long-time sealed detection, and can't carry out real-time detection to the cavity inside, need rely on outside detection mechanism to carry out the inspection, very inconvenient.
Disclosure of utility model
The utility model provides a plugging structure for an airtight leak detector, aiming at overcoming the defects in the prior art, and solving the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a shutoff structure for gas tightness leak detector, includes the mounting disc, be provided with the mounting hole on the mounting disc, bolt fixedly connected with positioning tube is passed through to mounting disc one side, the positioning tube is provided with the seal cover in the positioning tube outside, the reference column is equipped with in the positioning tube, be equipped with the measuring pole in the reference column, measuring pole one end passes the mounting disc and connects the pressure detection table, be provided with damper on the positioning tube, damper one side is fixed spacing through the lock sleeve, the seal cover outside still is provided with hold-down mechanism, the inside buffering positioning mechanism that is provided with of positioning tube eliminates the extrusion force to the positioning tube fast through buffering positioning mechanism.
As an alternative scheme of the utility model, a seal cover port is provided with sealed boss, sealed boss external diameter is greater than the seal cover external diameter.
As an alternative scheme, damper includes the shock attenuation cover, be provided with the splint in the shock attenuation cover, the splint is annular, and is provided with symmetrical rubber piece on the splint.
As an alternative scheme, the compressing mechanism comprises a jacking block, the jacking block is circumferentially distributed with the axis of the sealing sleeve, and the inner side of the jacking block is fixed in the sealing sleeve through a compression spring.
As an alternative scheme of the utility model, the mounting disc opposite side still is provided with the ring of holding, the ring of holding passes through the spliced pole welding on the mounting disc.
As an alternative scheme, buffering positioning mechanism includes the spacer sleeve, the spacer sleeve is fixed in the mounting disc, and all is equipped with the sealing washer from top to bottom, sealing washer one side is provided with a pair of buffering retainer plate, also be equipped with the sealing washer on the buffering retainer plate, be connected with buffer spring between the buffering retainer plate, buffering retainer plate one side is fixed with the clamping ring, clamping ring one side is through spacing collar fixed position.
The utility model provides a plugging structure for an airtight leak detector, which has the following beneficial effects:
Through setting up the sealed boss of seal cover and one end, can compress tightly the cavity inner wall, improve the leakproofness, shrink earlier through compression spring simultaneously, with the kicking block fast withstands the cavity port inner wall again, further improve holistic sealing stability, can cushion through splint and the rubber block in the shock attenuation cover, guarantee the stability of positioning tube one end, avoid the shake, the inside pressure of cavity can last to exert pressure to the positioning tube, can eliminate pressure through the cooperation of buffering retainer plate and buffer spring, avoid the excessive deformation of positioning tube, adopt the leakproofness that the inside of positioning tube can be guaranteed to multiunit sealing washer, set up the pressure variation that the pressure detection table can real-time detection internal cavity in the inside of positioning tube, need not external check out test set.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view A-A of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 in accordance with the present utility model;
FIG. 5 is a C-C cross-sectional view of the present utility model;
fig. 6 is a half cross-sectional view of the structure of the present utility model.
In the figure: 1. a mounting plate; 2. sealing sleeve; 201. sealing the boss; 3. a positioning cylinder; 4. a damping sleeve; 5. a locking sleeve; 6. positioning columns; 7. a pressure detection gauge; 701. a detection rod; 8. a top block; 801. a compression spring; 9. a grip ring; 901. a connecting column; 10. a rubber block; 11. a clamping plate; 12. a limit ring; 13. a compression ring; 14. buffering the positioning ring; 141. a seal ring; 15. a buffer spring; 16. and (5) positioning the sleeve.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, the present utility model provides a technical solution: the utility model provides a shutoff structure for gas tightness leak detector, including mounting plate 1, be provided with the mounting hole on mounting plate 1, thereby can fix whole at the seal mouth, guarantee holistic detection leakproofness, mounting plate 1 one side is through bolt fixedly connected with positioning cylinder 3, the positioning cylinder 3 outside is provided with seal cover 2, seal cover 2 one port is provided with sealed boss 201, seal boss 201 external diameter is greater than seal cover 2 external diameter, thereby can closely laminate and detect the cavity port, be equipped with reference column 6 in positioning cylinder 3, be equipped with the measuring rod 701 in the reference column 6, measuring rod 701 one end passes mounting plate 1 and connects pressure detection table 7, utilize pressure detection table 7 can detect cavity internal air pressure, need not external check out equipment, be provided with damper on positioning cylinder 3, damper one side is fixed spacing through lock sleeve 5, damper includes damper sleeve 4, be provided with splint 11 in the damper sleeve 4, splint 11 are annular, and be provided with symmetrical rubber piece 10 on splint 11, when cavity internal air pressure is too big, can extrude reference column 6, make its tip appear shaking, through rubber piece 10 in damper sleeve 4 and can be eliminated the inside pressure of cavity and sealing sleeve 2 is fast, the vibration damper is still set up to the outside, the damper is avoided the damper to have and is loose.
The compressing mechanism comprises a jacking block 8, the jacking block 8 is circumferentially distributed with the axis of the sealing sleeve 2, the inner side of the jacking block 8 is fixed in the sealing sleeve 2 through a compression spring 801, when the sealing sleeve 2 integrally enters a cavity, the compression spring 801 is firstly contracted, the jacking block 8 is rapidly jacked against the inner wall of a cavity port, the overall sealing stability is further improved, rapid disassembly and assembly are realized, the other side of the mounting disc 1 is further provided with a holding ring 9, the holding ring 9 is welded on the mounting disc 1 through a connecting column 901, workers are facilitated to install, the inside of the positioning cylinder 3 is provided with a buffer positioning mechanism, the buffer positioning mechanism can ensure the overall stability of the positioning cylinder 3, deformation is avoided, the buffer positioning mechanism comprises a positioning sleeve 16, the positioning sleeve 16 is fixed in the mounting disc 1, a sealing ring 141 is assembled up and down, one side of the sealing ring 141 is provided with a pair of buffer positioning rings 14, the sealing ring 141 is also assembled on the buffer positioning rings 14, one side of the buffer positioning rings 14 is fixedly provided with a compression ring 13, one side of the compression ring 13 is fixedly positioned through a limiting ring 12, when the whole is sealed on the cavity port, the inside of the mounting disc is continuously pressed by the worker, the inside of the positioning cylinder 3 can continuously extrude the positioning cylinder 3, and the inside of the positioning cylinder 3 can be stably positioned through the buffer positioning cylinder 3 and the buffer positioning cylinder 3 is avoided, and the stable compression force of the positioning cylinder 3 can be simultaneously avoided.
Specific use and action of the embodiment: fix mounting disc 1 at detecting the cavity port, seal boss 201 of seal cover 2 one end can compress tightly the cavity inner wall, utilize compression spring 801 to advance the shrink simultaneously, with kicking block 8 fast jack-up cavity port inner wall again, further improve holistic sealing stability, improve structural strength, when the inside air current of cavity is too fast, can cushion through splint 11 and rubber block 10 in the damping sleeve 4, guarantee the stability of positioning tube 3 one end, avoid the shake, the inside pressure of cavity can last to exert pressure to positioning tube 3, can eliminate pressure through buffering retainer plate 14 and buffer spring 15, avoid positioning tube 3 too much to warp, and guarantee the inside leakproofness of positioning tube 3, utilize the pressure variation of pressure detection table 7 real-time detection inside cavity simultaneously.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a shutoff structure for gas tightness leak detector which characterized in that: including mounting disc (1), be provided with the mounting hole on mounting disc (1), mounting disc (1) one side is through bolt fixedly connected with positioning tube (3), positioning tube (3) outside is provided with seal cover (2), positioning tube (3) are built-in location post (6), be equipped with measuring rod (701) in the location post (6), measuring rod (701) one end passes mounting disc (1) and connects pressure detection table (7), be provided with damper on positioning tube (3), damper one side is fixed spacing through lock sleeve (5), the seal cover (2) outside still is provided with hold-down mechanism, positioning tube (3) inside is provided with buffering positioning mechanism, eliminates the extrusion force to positioning tube (3) fast through buffering positioning mechanism.
2. The plugging structure for a leak detector of claim 1, wherein: a sealing boss (201) is arranged at one port of the sealing sleeve (2), and the outer diameter of the sealing boss (201) is larger than that of the sealing sleeve (2).
3. The plugging structure for a leak detector of claim 1, wherein: the damping mechanism comprises a damping sleeve (4), a clamping plate is arranged in the damping sleeve (4), the clamping plate (11) is annular, and symmetrical rubber blocks (10) are arranged on the clamping plate (11).
4. The plugging structure for a leak detector of claim 1, wherein: the compressing mechanism comprises a top block (8), the top block (8) is circumferentially distributed with the axis of the sealing sleeve (2), and the inner side of the top block (8) is fixed in the sealing sleeve (2) through a compression spring (801).
5. The plugging structure for a leak detector of claim 1, wherein: the other side of the mounting disc (1) is also provided with a holding ring (9), and the holding ring (9) is welded on the mounting disc (1) through a connecting column (901).
6. The plugging structure for a leak detector of claim 1, wherein: the buffer positioning mechanism comprises a positioning sleeve (16), the positioning sleeve (16) is fixed in a mounting disc (1), sealing rings (141) are arranged on the upper side and the lower side, a pair of buffer positioning rings (14) are arranged on one side of each sealing ring (141), the sealing rings (141) are also arranged on the buffer positioning rings (14), buffer springs (15) are connected between the buffer positioning rings (14), a compression ring (13) is fixed on one side of each buffer positioning ring (14), and one side of each compression ring (13) is fixed at a position through a limiting ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322416106.7U CN221170721U (en) | 2023-09-05 | 2023-09-05 | Plugging structure for airtight leak detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322416106.7U CN221170721U (en) | 2023-09-05 | 2023-09-05 | Plugging structure for airtight leak detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170721U true CN221170721U (en) | 2024-06-18 |
Family
ID=91534285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322416106.7U Active CN221170721U (en) | 2023-09-05 | 2023-09-05 | Plugging structure for airtight leak detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170721U (en) |
-
2023
- 2023-09-05 CN CN202322416106.7U patent/CN221170721U/en active Active
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