CN220354467U - Double sealing structure of explosion-proof detector - Google Patents
Double sealing structure of explosion-proof detector Download PDFInfo
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- CN220354467U CN220354467U CN202322065405.0U CN202322065405U CN220354467U CN 220354467 U CN220354467 U CN 220354467U CN 202322065405 U CN202322065405 U CN 202322065405U CN 220354467 U CN220354467 U CN 220354467U
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- groove
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- 238000007789 sealing Methods 0.000 title claims abstract description 68
- 239000004579 marble Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 5
- 238000004880 explosion Methods 0.000 claims 5
- 239000000523 sample Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a double-sealing structure of an explosion-proof detector, which belongs to the field of explosion-proof detectors and comprises a detector shell and a shell cover, wherein through pipes are arranged at two ends of the detector shell, a lower sleeve plate is arranged on the upper end face of the detector shell, a top cover is arranged at the top of the shell cover, an upper sleeve plate is arranged on the lower end face of the shell cover, a positioning ring plate is arranged at the outer ring position of the lower end face of the upper sleeve plate, fixed threads are arranged at the bottom position of the outer ring of the positioning ring plate, a positioning circular groove is arranged in the middle of the lower sleeve plate, a thread groove is formed in the inner wall of the positioning circular groove corresponding to the fixed threads, an outer sealing ring is arranged at the top position of the inner wall of the positioning circular groove, an inner sealing ring is arranged at the outer ring of the positioning ring plate, a corresponding first ring plate and the outer sealing ring are arranged at the inner wall of the thread groove, sealing performance is enhanced by the joint of the inner sealing ring and the outer sealing ring, and meanwhile, the sealing effect of the explosion-proof detector shell can be effectively improved by matching with a sealing gasket, and detection precision is ensured.
Description
Technical Field
The utility model relates to the field of explosion-proof detectors, in particular to a double-sealing structure of an explosion-proof detector.
Background
The explosion-proof detector is suitable for smokeless liquid and gas fires, produces open fire and produces the place of deflagration, can effectively monitor combustible medium and in time report to the police, and common explosion-proof detector is assembled by casing and cap, and the seal structure that most products adopted has only a sealing washer, and partial medium pressure variation is great, and the sealed effect of single sealing washer is effective, can appear revealing, exists certain protection risk.
Disclosure of Invention
The utility model mainly aims to provide a double-sealing structure of an explosion-proof detector, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a double containment structure of explosion-proof detector, includes detector shell and cap, detector shell both ends are provided with the siphunculus, detector shell up end is provided with down the trepanning, the cap top is provided with the top cap, the terminal surface is provided with the trepanning under the cap, terminal surface outer lane position is provided with the holding ring board under the trepanning, holding ring board outer lane bottom position is provided with fixed screw thread, the trepanning middle part is provided with the location circular slot down, the location circular slot inner wall corresponds fixed screw thread and is provided with the screw thread groove, location circular slot inner wall top position is provided with outer sealing washer, holding ring board outer lane top position is provided with interior sealing washer, interior sealing washer is located outer sealing washer inner circle position, the terminal surface is provided with the clamping ring board in sealing washer outer lane position under the upper trepanning, the terminal surface is provided with sealing washer under the clamping ring board.
Preferably, the upper sleeve plate and the positioning ring plate are integrally formed, the upper sleeve plate is positioned above the lower sleeve plate, the bottom of the sealing gasket is connected to the upper end surface of the lower sleeve plate, and the outer sealing ring is positioned above the thread groove.
Preferably, the outer ring position of the outer sealing ring is provided with a first annular plate, the middle part of the outer ring of the first annular plate is provided with a first plastic ring, and the top position of the inner wall of the positioning circular groove is provided with a first annular clamping groove corresponding to the first plastic ring.
Preferably, the inner ring of the inner sealing ring is provided with a second annular plate, a second plastic ring is arranged in the middle of the inner ring of the second annular plate, and a second annular clamping groove is formed in the top of the outer ring of the positioning annular plate corresponding to the second plastic ring.
Preferably, the two sides of the upper end surface of the clamping ring plate are respectively provided with an inserting block, two ends of each inserting block are provided with spacing holes, telescopic marble is arranged in each spacing hole, the lower end surface of the upper sleeve plate is provided with a slot corresponding to each inserting block, and the inner walls of the two sides of each slot are provided with grooves corresponding to the marble.
Preferably, an inner straight groove is arranged between the interval holes, inner circular plates are movably arranged at two ends of the inner straight groove, the bottom of the marble is fixedly connected with the inner circular plates, and springs are arranged between the inner circular plates.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the second annular plate and the inner sealing ring are additionally arranged on the outer ring of the positioning annular plate, the corresponding first annular plate and the corresponding outer sealing ring are arranged on the inner wall of the thread groove, the sealing performance is enhanced by the fit of the inner sealing ring and the outer sealing ring, and meanwhile, the sealing effect of the explosion-proof detector shell can be effectively improved by matching with the sealing gasket, so that the detection precision is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a lower race plate of the present utility model;
FIG. 3 is a schematic view of an outer seal ring of the present utility model;
FIG. 4 is a schematic view of an inner seal ring of the present utility model;
FIG. 5 is a schematic view of a sealing gasket of the present utility model;
fig. 6 is a schematic diagram illustrating the plug-in splitting of the present utility model.
In the figure: 1. a detector housing; 2. a through pipe; 3. a lower sleeve plate; 4. positioning the round groove; 5. a cover; 6. a top cover; 7. a top sleeve plate; 8. positioning ring plates; 9. a fixed thread; 10. a clamping ring plate; 11. a sealing gasket; 12. a first annular plate; 13. an outer seal ring; 14. the first plastic ring; 15. the first annular clamping groove; 16. a second annular plate; 17. an inner seal ring; 18. the second plastic ring; 19. the second annular clamping groove; 20. inserting blocks; 21. a marble; 22. a slot; 23. a groove; 24. a spacer hole; 25. an inner straight groove; 26. an inner circular plate; 27. a spring; 28. a thread groove.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-6, a double-sealing structure of an explosion-proof detector comprises a detector shell 1 and a shell cover 5, wherein through pipes 2 are arranged at two ends of the detector shell 1, a lower sleeve plate 3 is arranged on the upper end face of the detector shell 1, a top cover 6 is arranged at the top of the shell cover 5, an upper sleeve plate 7 is arranged on the lower end face of the shell cover 5, a positioning ring plate 8 is arranged at the outer ring position of the lower end face of the upper sleeve plate 7, fixed threads 9 are arranged at the bottom position of the outer ring of the positioning ring plate 8, a positioning circular groove 4 is arranged in the middle of the lower sleeve plate 3, a thread groove 28 is arranged on the inner wall of the positioning circular groove 4 corresponding to the fixed threads 9, an outer sealing ring 13 is arranged at the top position of the inner wall of the positioning circular groove 4, an inner sealing ring 17 is arranged at the top position of the outer ring 8, the inner sealing ring 17 is arranged at the inner ring position of the inner sealing ring 13, a clamping ring plate 10 is arranged at the outer ring position of the inner ring 17, and a sealing ring 11 is arranged at the lower end face of the clamping ring 10.
In this embodiment, in order to enhance the tightness of the positioning ring plate 8 after extending into the lower sleeve plate 3, the upper sleeve plate 7 and the positioning ring plate 8 are integrally formed, the upper sleeve plate 7 is located at a position above the lower sleeve plate 3, the bottom of the sealing gasket 11 is connected to the upper end surface of the lower sleeve plate 3, the outer sealing ring 13 is located at a position above the thread groove 28, the outer ring of the outer sealing ring 13 is provided with a first ring plate 12, the middle position of the outer ring of the first ring plate 12 is provided with a first plastic ring 14, the top position of the inner wall of the positioning circular groove 4 is provided with a first annular clamping groove 15 corresponding to the first plastic ring 14, the inner ring of the inner sealing ring 17 is provided with a second ring plate 16, the middle position of the inner ring of the second ring plate 16 is provided with a second plastic ring 18, and the top position of the outer ring of the positioning ring plate 8 is provided with a second annular clamping groove 19 corresponding to the second plastic ring 18;
in this embodiment, in order to facilitate the installation of the clamping ring plate 10 and the sealing gasket 11, and ensure the stability of the clamping ring plate, the two sides of the upper end surface of the clamping ring plate 10 are respectively provided with an insert block 20, two ends of each insert block 20 are provided with a spacing hole 24, a retractable ball 21 is arranged in each spacing hole 24, the lower end surface of the upper sleeve plate 7 is provided with a slot 22 corresponding to the insert block 20, two inner walls of the two sides of the slot 22 are provided with grooves 23 corresponding to the ball 21, an inner straight groove 25 is arranged between the spacing holes 24, two ends of the inner straight groove 25 are movably provided with inner circular plates 26, the bottoms of the balls 21 are fixedly connected with the inner circular plates 26, and springs 27 are arranged between the inner circular plates 26.
It should be noted that, in actual use, the present utility model is a dual-seal structure of an explosion-proof detector, firstly, the positioning circular groove 4 and the first annular clamping groove 15 of the inner ring of the lower sleeve plate 3 are found, then the first annular plate 12 and the outer sealing ring 13 are installed in the positioning circular groove 4, meanwhile, the first plastic ring 14 of the outer ring of the first annular plate 12 is clamped into the first annular clamping groove 15, the first annular plate 12 and the outer sealing ring 13 are fixed at the upper position of the thread groove 28, then the second annular plate 16 and the inner sealing ring 17 are installed on the outer ring of the positioning annular plate 8, meanwhile, the second plastic ring 18 of the inner ring of the second annular plate 16 is aligned with the second annular clamping groove 19 of the outer ring of the positioning annular plate 8, so that the second annular plate 16 and the inner sealing ring 17 are clamped and fixed at the top of the positioning annular plate 8, then the embedded annular plate 10 and the sealing ring 11 are installed under the upper sleeve plate 7, the insert blocks 20 on the two sides of the upper end surface of the embedded ring plate 10 are aligned with the slots 22 to be installed upwards, the elastic balls 21 on the two ends of the insert blocks 20 are extruded to shrink inwards, so that the connected inner circular plate 26 is driven to move, the connected springs 27 are extruded when the inner circular plate 26 moves, the springs 27 are stressed to compress until the elastic balls 21 shrink completely, then the insert blocks 20 completely enter the slots 22, at the moment, the elastic balls 21 stretch out under the action of elasticity and enter the grooves 23, the embedded ring plate 10 and the sealing gasket 11 are installed below the upper sleeve plate 7, then the positioning ring plate 8 can be installed in the lower sleeve plate 3, the fixed threads 9 of the outer ring of the positioning ring plate 8 move downwards gradually along the thread grooves 28, the second ring plate 16 of the outer ring of the positioning ring plate 8 moves synchronously with the inner sealing ring 17 until the inner sealing ring 17 enters the inner ring position of the outer sealing ring 13, so that the inner sealing ring 17 is tightly adhered to the outer sealing ring 13, the sealing gasket 11 is also tightly arranged between the upper sleeve plate 7 and the lower sleeve plate 3, so that the sealing performance of the explosion-proof detector shell 1 is effectively enhanced, and the safety protection performance is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a double containment structure of explosion-proof detector, includes detector shell (1) and cap (5), detector shell (1) both ends are provided with siphunculus (2), detector shell (1) up end is provided with down trepanning (3), cap (5) top is provided with top cap (6), terminal surface is provided with trepanning (7) under cap (5), its characterized in that: the utility model discloses a sealing ring structure for the automobile, including cover board (7), locating ring board (8), locating ring board (7), locating ring board (10), sealing washer (11) are provided with outer sealing washer (13) in locating ring board (7) lower terminal surface outer lane position, locating ring board (8) lower terminal surface outer lane position is provided with locating ring board (8), locating ring board (8) outer lane bottom position is provided with fixed screw thread (9), lower cover board (3) middle part is provided with locating circular groove (4), locating circular groove (4) inner wall corresponds fixed screw thread (9) and is provided with screw thread groove (28), locating circular groove (4) inner wall top position is provided with outer sealing washer (13), locating ring board (8) outer lane top position is provided with inner seal ring (17), inner seal ring (17) are located outer sealing washer (13) inner seal ring (13) inner ring (17) position including the terminal surface under locating ring board (7).
2. A dual seal structure for an explosion proof probe as defined in claim 1, wherein: the upper sleeve plate (7) and the positioning ring plate (8) are integrally formed, the upper sleeve plate (7) is positioned above the lower sleeve plate (3), the bottom of the sealing gasket (11) is connected to the upper end face of the lower sleeve plate (3), and the outer sealing ring (13) is positioned above the thread groove (28).
3. A dual seal structure for an explosion proof probe as defined in claim 1, wherein: the novel plastic sealing device is characterized in that a first annular plate (12) is arranged at the outer ring position of the outer sealing ring (13), a first plastic ring (14) is arranged at the middle position of the outer ring of the first annular plate (12), and a first annular clamping groove (15) is formed in the top position of the inner wall of the positioning circular groove (4) corresponding to the first plastic ring (14).
4. A dual seal structure for an explosion proof probe as defined in claim 1, wherein: the inner ring of the inner sealing ring (17) is provided with a second annular plate (16), the middle position of the inner ring of the second annular plate (16) is provided with a second plastic ring (18), and the top position of the outer ring of the positioning annular plate (8) is provided with a second annular clamping groove (19) corresponding to the second plastic ring (18).
5. The dual seal structure of an explosion proof detector according to claim 4, wherein: the utility model discloses a ball socket, including inserting annular plate (10), recess (22), inserting annular plate (10) up end both sides position all is provided with inserted block (20), inserted block (20) both ends are provided with spacer hole (24), be provided with scalable marble (21) in spacer hole (24), terminal surface corresponds inserted block (20) and is provided with slot (22) under last sleeve plate (7), slot (22) both sides inner wall corresponds marble (21) and is provided with recess (23).
6. The dual seal structure of an explosion proof detector according to claim 5, wherein: an inner straight groove (25) is formed between the interval holes (24), inner circular plates (26) are movably arranged at two ends of the inner straight groove (25), the bottoms of the marbles (21) are fixedly connected with the inner circular plates (26), and springs (27) are arranged between the inner circular plates (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322065405.0U CN220354467U (en) | 2023-08-02 | 2023-08-02 | Double sealing structure of explosion-proof detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322065405.0U CN220354467U (en) | 2023-08-02 | 2023-08-02 | Double sealing structure of explosion-proof detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354467U true CN220354467U (en) | 2024-01-16 |
Family
ID=89481295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322065405.0U Active CN220354467U (en) | 2023-08-02 | 2023-08-02 | Double sealing structure of explosion-proof detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354467U (en) |
-
2023
- 2023-08-02 CN CN202322065405.0U patent/CN220354467U/en active Active
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| GR01 | Patent grant |