CN219643572U - Explosion-proof box of cable intermediate head - Google Patents
Explosion-proof box of cable intermediate head Download PDFInfo
- Publication number
- CN219643572U CN219643572U CN202321007781.8U CN202321007781U CN219643572U CN 219643572 U CN219643572 U CN 219643572U CN 202321007781 U CN202321007781 U CN 202321007781U CN 219643572 U CN219643572 U CN 219643572U
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- China
- Prior art keywords
- explosion
- proof
- cable
- opening
- cable intermediate
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- 238000007789 sealing Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000565 sealant Substances 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 12
- 210000001503 joint Anatomy 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Cable Accessories (AREA)
Abstract
The utility model discloses an explosion-proof box of a cable intermediate joint, which comprises two explosion-proof barrels with opposite openings, wherein the two explosion-proof barrels are arranged at the cable intermediate joint and comprise an expanded pipe section and a main body section which are sequentially connected, the expanded pipe section comprises a conical surface or an arc surface, the end part of the expanded pipe section is provided with a first opening, the first opening is provided with an elastic connector which is sleeved on a cable, the length of the elastic connector extending out of the explosion-proof barrels is not less than 2CM, the end part of the main body section is provided with a second opening, the second opening is provided with an outer flange, the outer flanges of the two explosion-proof barrels are connected through a bolt assembly, a sealing structure is arranged between the outer flanges of the two explosion-proof barrels, the top of the main body section is connected with a process pipe, and the mouth part of the process pipe is detachably provided with an end cover; the utility model has the advantages of convenient operation, quick construction and stable structure.
Description
Technical Field
The utility model belongs to the technical field of cable explosion-proof boxes, and particularly relates to an explosion-proof box for a cable intermediate joint.
Background
The middle joint of the cable is weak in position and the mechanical strength is reduced. After being buried in the cable well, the cable intermediate joint is easily broken under the influence of the outside. An explosion proof box is typically provided at the cable joint to prevent the cable intermediate joint from being pressed by gravity or other factors from damaging the cable joint.
The cable explosion-proof box is mainly used for protecting the cable from being extruded and avoiding damage, and the other function is insulation. The cable explosion-proof box has high mechanical strength and good pressure resistance. The explosion-proof box is a sealed box, and meets the explosion-proof requirement. The cable is connected in the box, so that the condition that sparks and wires are exposed at the connection position is prevented, and the aim of safe wiring is fulfilled.
In the prior art, when the cable explosion-proof box is connected with a cable, a large gap exists between the end part of the explosion-proof box and the cable, sealing strips, fireproof mud or armor tapes are arranged on the cable to seal the end part, and then sealing glue can be poured, so that the operation is inconvenient; the explosion-proof box adopts two shell structures which are longitudinally split, and is matched with the structural form of bolt assembly connection, so that the split connecting surface is large, and the connection sealing operation is inconvenient.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the explosion-proof box for the cable intermediate joint, which has the advantages of convenient operation, quick construction and stable structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an explosion-proof box of cable intermediate head, includes two explosion-proof barrels of opening relative setting in cable intermediate head department, explosion-proof barrel contains the expanded pipe section and the main part section that connect gradually, the expanded pipe section contains conical surface or arcwall face, opening one has been seted up to the tip of expanded pipe section, opening one department is provided with the elastic connection head that is used for the cover to establish on the cable, the length that the elastic connection head stretches out explosion-proof barrel is not less than 2CM, the tip of main part section is provided with opening two, opening two departments are provided with outer ring flange, two connect through the bolt assembly between the outer ring flange of explosion-proof barrel, two be provided with seal structure between the outer ring flange of explosion-proof barrel, the top of main part section is connected with the technology pipe, the oral area detachable of technology pipe is provided with the end cover.
In the scheme, the middle part of the explosion-proof barrel is of a hollow cavity structure, two ends of the cavity structure are respectively communicated with the opening I and the opening II, two explosion-proof barrels are respectively sleeved at two ends of a cable middle joint to be butted, a joint face gap is small, connection and sealing are facilitated, a pipe expanding section of the two explosion-proof barrels is located at the outer end of the explosion-proof box, the diameter of the pipe expanding section is gradually increased from the end part to the diameter of the main body section, an elastic connector is arranged at one opening of the pipe expanding section, an elastic hole is formed in the middle part of the elastic connector, the size of the elastic hole can be stretched and contracted along with the size of a cable, so that sealing work of the end part of the explosion-proof barrel is facilitated, the elastic connector can also be used for protecting the joint of the cable and the explosion-proof barrel, an outer flange is arranged at the opening II to facilitate the connection and fixation of a bolt assembly, the sealing structure is arranged between the outer flange to ensure the tightness of connection, leakage of sealing glue and the entering of external rainwater and impurities are avoided, after the outer flanges of the two explosion-proof barrels are butted, sealing glue can be ensured through a process pipe on the main body section, sealing glue and the sealing structure can be filled in the sealing end cover.
Further, the elastic connector is of a rubber structure, and a binding belt used for locking the elastic connector is sleeved at the elastic connector.
The elastic connector of the rubber structure is good in elasticity and stable in structure, and the elastic connector is bound and fixed on the outer ring of the cable through the binding belt arranged on the outer ring of the elastic connector, so that the connection tightness is guaranteed.
Further, the sealing structure comprises a sealing gasket arranged between the two outer flanges, and the sealing gasket is fixedly arranged on the end face of the outer flange.
And a sealing gasket is arranged between the two outer flanges to ensure tightness, and the sealing gasket can be fixed on the end faces of the outer flanges through an adhesive.
Further, the explosion-proof cylinder is internally provided with sealant filled outside the cable.
And the sealant is poured after the outer flange plates are butted, so that the sealing and the waterproofing of the outer part of the cable are ensured through the pouring of the cable sealant, and the structural stability is ensured.
Further, the diameter of the main body section is no more than twice the minimum diameter of the expanded pipe section.
The two ends of the pipe expansion section are smaller and are convenient to seal with the cable connection, the diameter of the main body section is larger than that of the pipe expansion section, the flow from the sealant to the two ends is convenient, and the waste caused by the overlarge diameter of the main body section is avoided.
Further, an external thread is arranged on the process pipe, and the end cover is connected to the process pipe in a threaded manner.
The end cover is connected with the external threads in a threaded manner, so that the installation and the disassembly are convenient.
Further, a base is arranged at the bottom of the main body section.
The explosion-proof box is convenient to position on a plane by arranging the base.
Further, a limiting part is arranged at the bottom of the inner hole of the explosion-proof cylinder body, and an arc-shaped positioning groove is formed in the limiting part.
The cable is positioned through the positioning groove of the limiting part, so that the cable is positioned in the middle of the explosion-proof box, and the sealant is uniformly distributed around the cable.
Compared with the prior art, the utility model has the beneficial effects that:
1. the elastic connector is arranged at the end part of the explosion-proof cylinder body, so that the elastic expansion can be carried out along with the size of the cable, the overlarge gap at the joint is avoided, the special arrangement of fire-proof mud and armor belt structures is not needed, the operation is convenient, the construction is quick, and the tightness can be further enhanced through the binding belt according to the requirement; the elastic connector can elastically protect the cable contacted with the end part of the explosion-proof box, so that the structural stability of the cable is improved;
2. the explosion-proof box is split into two explosion-proof barrel structures along the cross section, the two explosion-proof barrel structures are connected through the outer flange plate, the sealing gasket is arranged on the connecting surface, the connecting gap of the structures is reduced, the fastening work of the corresponding bolt assemblies is also reduced, and the operation is convenient and the construction is quick;
3. the explosion-proof box is arranged on the outer side of the cable to form a sealing structure, so that sealant is poured on the outer side of the cable, and the structural stability of a cable joint is ensured; the cable can be limited through the constant head tank of spacing portion, makes the cable be in the intermediate position of explosion-proof box, makes sealed glue evenly distributed in the cable outside, guarantees sealed effect and the strengthening effect to the cable outside.
Drawings
Fig. 1 is a structural perspective view of embodiment 1 of the present utility model;
FIG. 2 is a cross-sectional view showing the structure of embodiment 1 of the present utility model;
fig. 3 is a sectional view showing the structure of an explosion-proof cylinder in embodiment 1 of the present utility model;
fig. 4 is a connection sectional view of the cable in embodiment 1 of the present utility model;
fig. 5 is a sectional view showing the structure of an explosion-proof cylinder in embodiment 2 of the present utility model;
fig. 6 is a right side view showing the structure of the explosion-proof cylinder in embodiment 2 of the present utility model;
in the figure: 1. an explosion-proof cylinder; 101. expanding the pipe section; 102. a main body section; 2. an opening I; 3. an opening II; 4. an elastic connector; 5. an outer flange; 6. a bolt assembly; 7. a sealing structure; 8. a process tube; 9. an end cap; 10. binding bands; 11. sealing glue; 12. a base; 13. a limit part; 14. a positioning groove; 15. and (3) a cable.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model. In the description of the present utility model, it should be noted that, the terms front, rear, left, right, and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, are merely for convenience of describing the present utility model or simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured or operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1-4, an explosion-proof box for a middle joint of a cable 15 in this embodiment includes two explosion-proof cylinders 1 with opposite openings and disposed at the middle joint of the cable 15, the explosion-proof cylinders 1 include a pipe expanding section 101 and a main body section 102 that are sequentially connected, the pipe expanding section 101 includes a conical surface or an arc surface, an opening one 2 is disposed at an end of the pipe expanding section 101, an elastic connector 4 used for sleeving the cable 15 is disposed at the opening one 2, the length of the elastic connector 4 extending out of the explosion-proof cylinders 1 is not less than 2CM, an opening two 3 is disposed at an end of the main body section 102, an outer flange 5 is disposed at the opening two 3, two outer flanges 5 of the explosion-proof cylinders 1 are connected through a bolt assembly 6, a sealing structure 7 is disposed between the outer flanges 5 of the explosion-proof cylinders 1, a process pipe 8 is connected to the top of the main body section 102, and an end cover 9 is detachably disposed at an opening of the process pipe 8.
In the scheme, the middle part of the explosion-proof barrel 1 is of a hollow cavity structure, two ends of the cavity structure are respectively communicated with the opening I2 and the opening II 3, the two explosion-proof barrels 1 are respectively sleeved at two ends of the middle joint of the cable 15 to be in butt joint, so that a joint surface gap is small, connection and sealing are facilitated, the pipe expansion sections 101 of the two explosion-proof barrels 1 are positioned at the outer ends of the explosion-proof boxes, the diameter of the pipe expansion sections 101 is gradually increased from the end parts to the diameter of the main body section 102, an elastic connector 4 is arranged at the opening I2 of the pipe expansion sections 101, an elastic hole is formed in the middle part of the elastic connector 4, the elastic hole can be stretched out and drawn back along with the size of the cable 15, sealing work at the end part of the explosion-proof barrel 1 is facilitated, the elastic connector 4 can also carry out strength protection on the joint of the cable 15 and the explosion-proof barrel 1, the outer flange 5 is arranged at the opening II 3 to facilitate the connection and fixation of the bolt assembly 6, the sealing structure 7 is arranged between the outer flange 5 to ensure the sealing performance of the connection, the sealing glue 11 and the entering of impurities are avoided, the sealing glue 11 and the impurities are protected, the cable 15 are sealed, the sealing process can be completed through the sealing glue 11 and the sealing flange 11 after the sealing the main body 11 and the sealing flange 11 are sealed by the sealing flange 11, and the sealing process 8 are completed, the sealing process is guaranteed, and the sealing process of the sealing joint 11 is finished by the sealing joint 11.
The elastic connector 4 is provided with a connecting groove for opening and closing the first opening 2, and the elastic connector 4 and the expansion pipe section 101 are fixedly adhered through AB glue.
Further, the elastic connector 4 is of a rubber structure, and a binding belt 10 for locking the elastic connector 4 is sleeved at the elastic connector 4.
The elastic connector 4 of rubber structure elasticity is good, stable in structure, through set up tie 10 at the outer lane of elastic connector 4 with elastic connector 4 ligature fix at cable 15's outer lane, guarantee the compactness of connection.
Further, the sealing structure 7 comprises a sealing gasket arranged between the two outer flanges 5, and the sealing gasket is fixedly arranged on the end face of the outer flange 5.
And a sealing gasket is arranged between the two outer flanges 5 to ensure tightness, and the sealing gasket can be fixed on the end face of the outer flanges 5 through an adhesive.
Further, the explosion-proof cylinder 1 is internally provided with a sealant 11 filled outside the cable 15.
The sealing glue 11 is poured after the outer flange plates 5 are butted, and the sealing glue 11 is poured into the cable 15 to ensure the sealing and the waterproofing of the outer part of the cable 15 and the structural stability.
Further, the diameter of the main section 102 is no more than twice the minimum diameter of the expanded section 101.
The two ends of the expansion section 101 are smaller so as to be convenient for being connected and sealed with the cable 15, the diameter of the main body section 102 is larger than that of the expansion section 101, the sealant 11 can flow to the two ends conveniently, and waste caused by overlarge diameter of the main body section 102 is avoided.
Further, the process tube 8 is provided with external threads, and the end cover 9 is connected to the process tube 8 in a threaded manner.
The end cover 9 is connected by external threads, so that the installation and the disassembly are convenient.
Further, the bottom of the main body section 102 is provided with a base 12.
The base 12 is provided to facilitate positioning of the explosion proof box on a flat surface.
Example 2
As shown in fig. 5-6, an explosion-proof box for an intermediate joint of a cable 15 in this embodiment is further optimized based on embodiment 1:
further, a limiting part 13 is arranged at the bottom of the inner hole of the explosion-proof cylinder body 1, and an arc-shaped positioning groove 14 is formed in the limiting part 13.
The cable 15 is positioned through the positioning groove 14 of the limiting part 13, so that the cable 15 is positioned in the middle of the explosion-proof box, and the sealant 11 is uniformly distributed around the cable 15.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an explosion-proof box of cable intermediate head, its characterized in that includes two explosion-proof barrels of opening relative setting in cable intermediate head department, explosion-proof barrel contains the expanded pipe section and the main part section that connect gradually, the expanded pipe section contains conical surface or arcwall face, opening one has been seted up to the tip of expanded pipe section, opening one department is provided with the elastic connection head that is used for the cover to establish on the cable, the length that the elastic connection head stretches out explosion-proof barrel is not less than 2CM, the tip of main part section is provided with opening two, opening two departments are provided with outer ring flange, two connect through the bolt subassembly between the outer ring flange of explosion-proof barrel, two be provided with seal structure between the outer ring flange of explosion-proof barrel, the top of main part section is connected with the technology pipe, the oral area detachable of technology pipe is provided with the end cover.
2. The explosion-proof box for the cable intermediate head according to claim 1, wherein the elastic connector is of a rubber structure, and a binding belt for locking the elastic connector is sleeved at the elastic connector.
3. The explosion-proof box for cable intermediate connectors according to claim 1, wherein the sealing structure comprises a sealing gasket arranged between the two outer flanges, and the sealing gasket is fixedly arranged on the end face of the outer flange.
4. The cable intermediate joint explosion-proof box according to claim 1, wherein the explosion-proof cylinder is internally provided with a sealant filled outside the cable.
5. The cable intermediate joint explosion proof box of claim 1, wherein the diameter of the main body section is no more than twice the expanded pipe section minimum diameter.
6. The cable intermediate head explosion proof box according to claim 1, wherein the process tube is provided with external threads, and the end cap is screwed onto the process tube.
7. The cable intermediate joint explosion proof box according to claim 1, wherein the bottom of the main body section is provided with a base.
8. The cable intermediate head explosion-proof box according to claim 1, wherein a limiting portion is arranged at the bottom of an inner hole of the explosion-proof barrel, and an arc-shaped positioning groove is formed in the limiting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007781.8U CN219643572U (en) | 2023-04-28 | 2023-04-28 | Explosion-proof box of cable intermediate head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007781.8U CN219643572U (en) | 2023-04-28 | 2023-04-28 | Explosion-proof box of cable intermediate head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219643572U true CN219643572U (en) | 2023-09-05 |
Family
ID=87811619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007781.8U Active CN219643572U (en) | 2023-04-28 | 2023-04-28 | Explosion-proof box of cable intermediate head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219643572U (en) |
-
2023
- 2023-04-28 CN CN202321007781.8U patent/CN219643572U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |