CN113097950A - Watertight box with efficient compression resistance and compression resistance method thereof - Google Patents
Watertight box with efficient compression resistance and compression resistance method thereof Download PDFInfo
- Publication number
- CN113097950A CN113097950A CN202110491639.4A CN202110491639A CN113097950A CN 113097950 A CN113097950 A CN 113097950A CN 202110491639 A CN202110491639 A CN 202110491639A CN 113097950 A CN113097950 A CN 113097950A
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- sealing
- side wall
- boss
- shell
- box
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 title claims description 36
- 238000007906 compression Methods 0.000 title claims description 36
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 238000004073 vulcanization Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 210000004907 gland Anatomy 0.000 description 7
- 230000035882 stress Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- FEGOYKQNJDNMBE-UHFFFAOYSA-N [Si].[C].[F] Chemical compound [Si].[C].[F] FEGOYKQNJDNMBE-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/14—Fastening of cover or lid to box
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a watertight box with high-efficiency pressure resistance and a pressure resistance method thereof, wherein the watertight box comprises a main body component and a pressure resistance component; the main body assembly comprises a stuffing box and a shell; stuffing boxes are uniformly arranged on the outer side wall of the shell; a pressure-resistant assembly is arranged above the main body assembly and comprises a boss, a second sealing ring, a first sealing groove, a third sealing ring and a second sealing groove; a boss is arranged at the top of the shell, the outer side wall of the boss is connected to the inner side wall of the shell in a sliding mode, two first sealing grooves are formed in the outer side wall of the boss, and second sealing rings are arranged inside the two first sealing grooves; when the watertight box is used, a double-channel radial sealing mode is adopted, when the watertight box is subjected to water pressure, the sealing contact surface is more compact, the sealing effect is better, and the watertight box and the existing axial end face sealing or vulcanization mode have the advantages of high sealing reliability, high compressive strength and maintainability.
Description
Technical Field
The invention relates to the technical field of watertight boxes, in particular to a watertight box with high-efficiency pressure resistance and a pressure resistance method thereof.
Background
The junction box is one of electrician's accessories, the electric wire of fitment usefulness is passed the wire tube, and in the joint position of electric wire, for example, the circuit is longer, or the wire tube wants the corner, just adopt the junction box as transition usefulness, the wire tube is connected with the junction box, the electric wire of spool inside links up in the junction box, play the effect of protection electric wire and connecting wire, receive the influence of installation environment, the junction box needs to be used under water, current terminal box under water basically comprises casing, the cap, the connector, sealing washer and adapting unit, its sealed form mainly adopts the casing upper end to establish the terminal surface seal groove, and place O type sealing washer, then form axial terminal surface seal class structural style through between cap and the casing, nevertheless still have following problem:
adopt the end face seal form under the pressure alternation environment for a long time, can lead to the cap to produce deformation, perhaps because of the sealing washer is ageing, produce permanent deformation to lead to sealed inefficacy, thereby influence sealed effect, for this reason, provide a watertight box and resistance to compression method with high-efficient crushing resistance.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a watertight box with high compressive strength and a method for resisting compressive strength, so as to solve or alleviate the technical problems in the prior art, and at least provide a useful choice.
The technical scheme of the embodiment of the invention is realized as follows: a watertight box with high-efficiency pressure resistance comprises a main body component and a pressure-resistant component;
the main body assembly comprises a stuffing box and a shell;
stuffing boxes are uniformly arranged on the outer side wall of the shell;
a pressure-resistant assembly is arranged above the main body assembly and comprises a boss, a second sealing ring, a first sealing groove, a third sealing ring and a second sealing groove;
a boss is arranged at the top of the shell, the outer side wall of the boss is connected to the inner side wall of the shell in a sliding mode, two first sealing grooves are formed in the outer side wall of the boss, and second sealing rings are arranged inside the two first sealing grooves; two second seal grooves are formed in the inner side wall of the stuffing box, and third seal rings are arranged inside the second seal grooves.
In some embodiments, a base is welded at the bottom of the shell, and a compression nut is connected to the inner side wall of the stuffing box in a threaded manner; the gland nut can be fixed to the inside cable of packing box, and the base welding is in the casing bottom, is convenient for install the watertight box.
In some embodiments, a shell cover is fixedly connected to the top of the boss, a first threaded hole is formed in the middle of the upper surface of the shell cover, and a first screw is connected to the inner thread of the first threaded hole in a threaded manner; the boss is fixed at the bottom of the shell by the first screw.
In some embodiments, a second groove is formed at the bottom of the boss, and a first sealing ring is bonded to one side of the outer side wall of the compression nut; the second groove can increase the space inside the shell, and the first sealing ring can fill the gap between the compression nut and the stuffing box.
In some embodiments, second threaded holes are uniformly formed in the upper surface of the shell cover, and second screws are connected with the inner threads of the second threaded holes in a threaded manner; the second screw fixes the shell cover on the top of the shell.
In some embodiments, a through hole is formed in one side of the stuffing box, first grooves are uniformly formed in the outer side wall of the shell, and the stuffing box is fixedly connected to the inside of the first grooves; the first groove limits the stuffing box, and the through hole guides the cable.
A method of resisting compression of a water-tight box having high efficiency of resisting compression, comprising the steps of:
s1, sliding the second sealing ring into the first sealing groove, sliding the boss into the inner side wall of the shell, placing the shell cover at the top of the boss, and rotating the first screw into the first threaded hole;
s2, rotating the second screw into the second threaded hole, sliding the stuffing box into the first groove, sliding the third sealing ring into the second sealing groove, penetrating one end of the cable through the stuffing box and the through hole, and vulcanizing the outer side wall of the cable;
s3, the compression nut is rotated to the inner side wall of the stuffing box, the shell is stressed to extrude the boss and a second sealing ring in the first sealing groove, and the second sealing ring deforms in the first sealing groove;
s4, the cable swings in the stuffing box to extrude a third sealing ring in the second sealing groove, and the third sealing ring deforms in the second sealing groove.
In some embodiments, a first sealing ring is bonded to the outer side wall of the compression nut to seal a gap between the compression nut and the stuffing box.
Due to the adoption of the technical scheme, the embodiment of the invention has the following advantages:
when the watertight box is used, a double-channel radial sealing mode is adopted, when the watertight box is subjected to water pressure, the sealing contact surface is more compact, the sealing effect is better, and the watertight box and the existing axial end face sealing or vulcanization mode have the advantages of high sealing reliability, high compressive strength and maintainability.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a view showing a structure of the connection between the housing and the housing cover according to the present invention;
FIG. 4 is a view showing a structure of a connection between a housing and a stuffing box according to the present invention.
Reference numerals: 10. a body assembly; 11. a base; 12. a stuffing box; 13. a housing; 14. a compression nut; 15. a through hole; 16. a first groove; 17. a first seal ring; 20. a compression resistant assembly; 21. a shell cover; 22. a first screw; 23. a boss; 24. a first threaded hole; 25. a second seal ring; 26. a first seal groove; 27. a second screw; 28. a second threaded hole; 29. a third seal ring; 291. a second seal groove; 292. a second groove.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the embodiment of the present invention provides a watertight box having high-efficiency compression resistance, including a body assembly 10 and a compression-resistant assembly 20;
the body assembly 10 includes a stuffing box 12 and a housing 13;
a pressure-resistant assembly 20 is arranged above the main body assembly 10, and the pressure-resistant assembly 20 comprises a boss 23, a second sealing ring 25, a first sealing groove 26, a third sealing ring 29 and a second sealing groove 291;
a boss 23 is arranged at the top of the shell 13, the outer side wall of the boss 23 is connected to the inner side wall of the shell 13 in a sliding manner, two first seal grooves 26 are formed in the outer side wall of the boss 23, and second seal rings 25 are arranged inside the two first seal grooves 26; two second seal grooves 291 are formed in the inner side wall of the stuffing box 12, and third seal rings 29 are arranged inside the two second seal grooves 291.
In one embodiment, the bottom of the shell 13 is welded with a base 11, and the inner side wall of the stuffing box 12 is in threaded connection with a compression nut 14; through the setting of base 11 and gland nut 14, gland nut 14 can be fixed to the inside cable of stuffing box 12, and the base 11 welds in casing 13 bottom, is convenient for install the watertight box.
In one embodiment, the top of the boss 23 is fixedly connected with a cover 21, a first threaded hole 24 is formed in the middle of the upper surface of the cover 21, and a first screw 22 is connected with the inner thread of the first threaded hole 24; by the arrangement of the first screw hole 24 and the first screw 22, the first screw 22 is rotated inside the first screw hole 24, thereby fixing the boss 23 to the bottom of the housing 13.
In one embodiment, the bottom of the boss 23 is provided with a second groove 292, and one side of the outer side wall of the gland nut 14 is bonded with a first sealing ring 17; the second groove 292 can increase the space inside the housing 13 by the arrangement of the second groove 292 and the first packing 17, and the first packing 17 can fill the gap between the gland nut 14 and the stuffing box 12.
In one embodiment, the upper surface of the housing cover 21 is uniformly provided with second threaded holes 28, and second screws 27 are connected to the inner threads of the second threaded holes 28; the second screws 27 screwed in the second screw holes 28 are rotated by the arrangement of the second screw holes 28 and the second screws 27, thereby fixing the cover 21 on the top of the housing 13.
In one embodiment, one side of the stuffing box 12 is provided with a through hole 15, the outer side wall of the shell 13 is uniformly provided with a first groove 16, and the stuffing box 12 is fixedly connected inside the first groove 16; through the setting of through-hole 15 and first recess 16, stuffing box 12 is fixed in the inside of first recess 16 to carry on spacingly to stuffing box 12, the one end of cable can slide to the inside of casing 13 through-hole 15 simultaneously, thereby leads to the cable.
A method of resisting compression of a water-tight box having high efficiency of resisting compression, comprising the steps of:
s1, sliding the second seal ring 25 into the first seal groove 26, sliding the boss 23 into the inner sidewall of the housing 13, placing the housing cover 21 on top of the boss 23, and rotating the first screw 22 into the first threaded hole 24;
s2, rotating the second screw 27 into the second threaded hole 28, sliding the stuffing box 12 into the first groove 16, sliding the third seal ring 29 into the second seal groove 291, penetrating one end of the cable through the stuffing box 12 and the through hole 15, and vulcanizing the outer wall of the cable;
s3, the compression nut 14 is rotated to the inner side wall of the stuffing box 12, the shell 13 is stressed to extrude the boss 23 and the second sealing ring 25 in the first sealing groove 26, and the second sealing ring 25 deforms in the first sealing groove 26;
at S4, the cable swings inside the stuffing box 12 to press the third seal ring 29 inside the second seal groove 291, and the third seal ring 29 deforms inside the second seal groove 291.
In one embodiment, a first gasket 17 is bonded to the outer sidewall of the compression nut 14 to seal the gap between the compression nut 14 and the stuffing box 12.
In one embodiment, the shell 13 and the stuffing box 12 are made of thick-walled stainless steel seamless tubes with high strength, good toughness and good processability, the shell 13, the shell cover 21, the stuffing box 12 and the base 11 are thickened to improve the compressive strength of the junction box, and the cable vulcanized material is a two-component polyurethane sealing material with outstanding pressure resistance, good bonding property, hard deformation after curing, strong environmental adaptability and long service life and is added with high-strength silicon-fluorine-carbon fiber vulcanized material, so that the junction box can bear 6.75MPa of pressure without leakage.
When the invention works, a worker slides the second sealing ring 25 into the first sealing groove 26, places the cover 21 on the top of the boss 23, rotates the first screw 22 screwed into the first threaded hole 24, so as to fix the boss 23 on the lower surface of the cover 21, holds the cover 21 to drive the boss 23 to slide to the inner side wall of the housing 13, at the moment, the inner side wall of the housing 13 presses the second sealing ring 25 in the first sealing groove 26, so as to fill the gap between the boss 23 and the housing 13, when the cover 21 is attached on the top of the housing 13, rotates the second screw 27 screwed into the second threaded hole 28, so as to fix the cover 21 on the top of the housing 13, the worker places the third sealing ring 29 into the second sealing groove 291, at the moment, the stuffing box 12 is fixed into the first groove 16, one end of the cable penetrates through the stuffing box 12 and the through hole 15, and the outer surface of the cable is vulcanized, the gland nut 14 is rotated to the inner side wall of the stuffing box 12, thereby fixing the cable, the first sealing ring 17 is used for filling and sealing the gap between the gland nut 14 and the stuffing box 12, when the watertight box is used in water, the water pressure extrudes the shell 13, the stress extrudes the boss 23 and the second sealing ring 25 in the first sealing groove 26, the shell 13, the boss 23 and the shell cover 21 are all round structures, the round structures have no stress concentration points, the stress is uniformly distributed in the circumferential direction of the shell 13, the shell 13 slightly changes and shrinks inwards due to the uniform stress, the second sealing ring 25 deforms in the first sealing groove 26, so that the sealing surface between the boss 23 and the shell 13 is more compact, the sealing strength of the sealing surface is increased, thereby improving the pressure resistance of the watertight box, on the axial side of the cable vulcanization, due to the action of external pressure, the axial direction of the cable is forced to extrude the third sealing ring 29 in the second sealing groove 291, so that the cable is ensured to be more compact with the stuffing box 12 when being pressed, the phenomenon of movement cannot occur, and the sealing device is convenient and practical.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A watertight box with high efficiency crush resistance comprising a main body component (10) and a crush resistant component (20), characterized in that:
the body assembly (10) comprises a stuffing box (12) and a housing (13);
stuffing boxes (12) are uniformly arranged on the outer side wall of the shell (13);
a pressure-resistant assembly (20) is arranged above the main body assembly (10), and the pressure-resistant assembly (20) comprises a boss (23), a second sealing ring (25), a first sealing groove (26), a third sealing ring (29) and a second sealing groove (291);
a boss (23) is arranged at the top of the shell (13), the outer side wall of the boss (23) is connected to the inner side wall of the shell (13) in a sliding manner, two first sealing grooves (26) are formed in the outer side wall of the boss (23), and second sealing rings (25) are arranged in the two first sealing grooves (26); two second seal grooves (291) are formed in the inner side wall of the stuffing box (12), and a third seal ring (29) is arranged inside each second seal groove (291).
2. The watertight box with high-efficiency compression resistance as claimed in claim 1, wherein: the bottom of the shell (13) is welded with a base (11), and the inner side wall of the stuffing box (12) is in threaded connection with a compression nut (14).
3. The watertight box with high-efficiency compression resistance as claimed in claim 1, wherein: the top of the boss (23) is fixedly connected with a shell cover (21), a first threaded hole (24) is formed in the middle of the upper surface of the shell cover (21), and a first screw (22) is connected to the inner thread of the first threaded hole (24).
4. The watertight box with high-efficiency compression resistance as claimed in claim 2, wherein: a second groove (292) is formed in the bottom of the boss (23), and a first sealing ring (17) is bonded to one side of the outer side wall of the compression nut (14).
5. A water-tight box with high-efficiency pressure resistance according to claim 3, wherein: second threaded holes (28) are uniformly formed in the upper surface of the shell cover (21), and second screws (27) are connected to the inner threads of the second threaded holes (28).
6. The watertight box with high-efficiency compression resistance as claimed in claim 1, wherein: one side of the stuffing box (12) is provided with a through hole (15), the outer side wall of the shell (13) is uniformly provided with a first groove (16), and the stuffing box (12) is fixedly connected to the inside of the first groove (16).
7. A method of resisting compression of a water-tight box having high efficiency of resisting compression, comprising the steps of:
s1, sliding the second sealing ring (25) into the first sealing groove (26), sliding the boss (23) into the inner side wall of the shell (13), placing the shell cover (21) on the top of the boss (23), and rotating the first screw (22) into the first threaded hole (24);
s2, rotating a second screw (27) to the inside of a second threaded hole (28), sliding a stuffing box (12) to the inside of a first groove (16), sliding a third sealing ring (29) to the inside of a second sealing groove (291), penetrating one end of the cable through the stuffing box (12) and a through hole (15), and carrying out vulcanization treatment on the outer side wall of the cable;
s3, the compression nut (14) is rotated to the inner side wall of the stuffing box (12), the shell (13) is stressed to extrude the boss (23) and the second sealing ring (25) in the first sealing groove (26), and the second sealing ring (25) deforms in the first sealing groove (26);
s4, the cable swings inside the stuffing box (12) to press the third seal ring (29) inside the second seal groove (291), and the third seal ring (29) deforms inside the second seal groove (291).
8. The method for resisting compression of a water-tight box with high efficiency of resistance to compression of claim 7, wherein: a first sealing ring (17) is bonded on one side of the outer side wall of the compression nut (14) to seal a gap between the compression nut (14) and the stuffing box (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491639.4A CN113097950A (en) | 2021-05-06 | 2021-05-06 | Watertight box with efficient compression resistance and compression resistance method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491639.4A CN113097950A (en) | 2021-05-06 | 2021-05-06 | Watertight box with efficient compression resistance and compression resistance method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113097950A true CN113097950A (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110491639.4A Pending CN113097950A (en) | 2021-05-06 | 2021-05-06 | Watertight box with efficient compression resistance and compression resistance method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113097950A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078606A (en) * | 2021-05-07 | 2021-07-06 | 朝阳市加华电子有限公司 | Durable watertight junction box device for cable and using method thereof |
| CN119674851A (en) * | 2025-02-20 | 2025-03-21 | 上海怡博船务有限公司 | Cable sealing device and cable sealing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206790030U (en) * | 2017-06-20 | 2017-12-22 | 张旭 | A kind of underwater electrical power wiring box |
-
2021
- 2021-05-06 CN CN202110491639.4A patent/CN113097950A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206790030U (en) * | 2017-06-20 | 2017-12-22 | 张旭 | A kind of underwater electrical power wiring box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078606A (en) * | 2021-05-07 | 2021-07-06 | 朝阳市加华电子有限公司 | Durable watertight junction box device for cable and using method thereof |
| CN119674851A (en) * | 2025-02-20 | 2025-03-21 | 上海怡博船务有限公司 | Cable sealing device and cable sealing method |
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Application publication date: 20210709 |