CN114709790B - Sealing protection device suitable for junction of low-voltage cable - Google Patents
Sealing protection device suitable for junction of low-voltage cable Download PDFInfo
- Publication number
- CN114709790B CN114709790B CN202210374971.7A CN202210374971A CN114709790B CN 114709790 B CN114709790 B CN 114709790B CN 202210374971 A CN202210374971 A CN 202210374971A CN 114709790 B CN114709790 B CN 114709790B
- Authority
- CN
- China
- Prior art keywords
- shell
- sealing
- frame body
- expansion plate
- jacking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 230000001012 protector Effects 0.000 claims 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
-
- 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
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable 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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- 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
- H02G9/00—Installations of electric cables or lines in or on the ground or water
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The application discloses a sealing protection device suitable for a connection part of a low-voltage cable, which belongs to the field of cable connection protection and is used for cable protection, and comprises a shell with a shell inlet pipe, wherein the shell is connected with a cover body, and a frame body placing groove for accommodating a jacking sealing frame is processed on the end face of an opening at the top of the shell; the edge of the frame body placing groove is provided with a ring body step groove, the shell is provided with an adjusting hole communicated with the frame body placing groove, a jacking expansion plate is inserted into the adjusting hole, and the jacking expansion plate is positioned in the expansion plate frame body and driven by an expansion plate connecting piece; the expansion plate connecting piece is inserted into the bottom end of the threaded sleeve, and the top end of the threaded sleeve is connected with the connecting hole of the cover body through the fastening screw; the bottom surface of the cover body is provided with a cover body sealing ring corresponding to the position of the ring body stepped groove. In view of the above technical scheme, the effective protection of the connection position of the underground embedded cable can be realized, and the sealing performance can be effectively improved through the effective connection of each sealing component inside.
Description
Technical Field
The invention belongs to the field of cable connection protection, and particularly relates to a sealing protection device suitable for a connection part of a low-voltage cable.
Background
According to the actual requirement of cable laying, sometimes low-voltage cable need lay in underground certain distance, and in actual life, the low-voltage cable of burying underground can damage in the work progress sometimes, just need connect the low-voltage cable that damages this moment, and need carry out effectual sealed protection in the hookup location department of low-voltage cable to avoid the erosion of underground environment to hookup location department, guarantee the normal work of low-voltage cable. And the performance of the sealing protection device at the connecting position directly determines the service life of the connecting point of the low-voltage cable.
Disclosure of Invention
The invention aims to provide a sealing protection device suitable for a connecting position of a low-voltage cable, which can effectively protect the connecting position of the underground embedded cable and can effectively improve the sealing performance through the effective connection of each sealing component inside.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the sealing protection device suitable for the low-voltage cable connection part comprises a shell, wherein shell inlet pipes extending outwards are arranged at inlets at two ends of the shell, a cover body is connected at the top opening position of the shell, a frame body placing groove for accommodating a jacking sealing frame is processed at the end face of the top opening of the shell, and the shape of the frame body placing groove is the same as that of the end face of the top opening of the shell; the frame body placing groove is provided with a ring body step groove at the edge position, the inner wall of the shell at the position corresponding to the frame body placing groove is provided with an adjusting hole communicated with the frame body placing groove, a jacking expansion plate is inserted into the adjusting hole, and the jacking expansion plate is positioned in the expansion plate frame body and is arranged in a sliding manner with the expansion plate frame body; the middle part of the telescopic plate frame body is provided with a through hole for the telescopic plate connecting piece to pass through, and the telescopic plate connecting piece drives the jacking telescopic plate to move towards the direction of the adjusting hole after passing through the through hole of the telescopic plate frame body and is contacted with the jacking notch in the jacking sealing frame; the expansion plate connecting piece is inserted into the bottom end of the threaded sleeve, and the top end of the threaded sleeve is connected with the connecting hole of the cover body through the fastening screw; the bottom surface of the cover body is provided with a cover body sealing ring corresponding to the position of the ring body stepped groove.
Furthermore, the shell inlet pipe is connected with the contraction ring through the external thread, the inlet and the outlet of the shell inlet pipe are respectively provided with an inlet outer sealing ring and an inlet inner sealing ring, the inlet inner sealing ring is positioned at the position where the shell inlet pipe is communicated with the shell, and the inner diameter of the inlet inner sealing ring is smaller than the inner diameter of the shell inlet pipe.
Further, a shell sealing plate with the same shape as the top opening is arranged in the shell, and a buffer layer is arranged on the end face of the shell sealing plate, which is contacted with the cable; the shell sealing plate is located below the telescopic plate frame body, and a gasket body for sealing is arranged at the edge position where the shell sealing plate is in contact with the inner wall of the shell.
Further, the top end of the jacking sealing frame is provided with a flaring end, the longitudinal section of the flaring end is isosceles trapezoid, and a step structure which is lapped on a ring body step groove is formed between the flaring end and the jacking sealing frame.
Further, the shell is provided with the shell inner limit groove on the inner wall between the adjusting hole and the top opening end face, and the shell inner limit groove is clamped and limited with the cover body limit clamping hook at the bottom end of the cover body.
Furthermore, the limiting groove in the shell and the limiting hook of the cover body are provided with clamping top surfaces for clamping, and the clamping top surfaces are arranged in parallel relative to the end surface of the opening at the top of the shell; the limiting groove in the shell and the limiting hook of the cover body are also provided with clamping inclined planes which are mutually attached when in connection; the limiting groove in the shell is continuously arranged on the inner wall of the shell around the outline of the end face edge of the top opening of the shell, the cover limiting hooks are distributed on two sides and two ends of the cover, and the cover limiting hooks on two sides and two ends of the cover are mutually independent.
Further, the cover body is provided with a gasket notch coaxial with the cover body at the top edge of the connecting hole, and a sleeve limiting groove spliced with the threaded sleeve is formed in the cover body at the bottom edge of the connecting hole, and the inner diameter of the sleeve limiting groove is larger than the outer diameter of the threaded sleeve.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the sealing structure at the connecting positions of the shell, the cover body and the like is redesigned, so that the sealing performance between the shell and the cover body is effectively improved, the underground low-voltage cable connecting point can be ensured to have stable sealing performance and secondary damage prevention performance, and the connecting stability of the connecting point is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the housing in the present invention.
Fig. 3 is a schematic structural view of the cover body in the present invention.
Fig. 4 is a schematic structural view of a lifting seal frame in the present invention.
Fig. 5 is a schematic view of the external structure of the expansion board frame body, the lifting expansion board and the expansion board connecting piece in the invention.
Fig. 6 is a schematic view of the internal structure of the expansion board frame body, the jacking expansion board and the expansion board connecting piece in the invention.
Fig. 7 is a schematic structural diagram of a cover limiting hook and a limiting groove in a housing in the present invention.
In the figure: 1. a cover body; 2. a connection hole; 3. a notch of the cushion body; 4. a flared end; 5. jacking the sealing frame; 6. jacking the notch; 7. jacking the expansion plate; 8. a telescopic plate frame body; 9. a threaded sleeve; 10. a housing seal plate; 11. a buffer layer; 12. a ring body step groove; 13. a frame body placing groove; 14. an adjustment aperture; 15. an inlet inner seal ring; 16. a housing; 17. a shrink ring; 18. an inlet outer seal ring; 19. a housing inlet tube; 20. a limit groove in the shell; 21. a telescoping plate connector; 22. a cover sealing ring; 23. the cover body limits the clamping hook; 24. a sleeve limit groove; 25. clamping the top surface; 26. a clamping inclined plane; 27. an injection port.
Detailed Description
The technical scheme of the application is further described and illustrated below by combining with the embodiment. In describing in detail, references to orientation terms, including but not limited to "upper, lower, left, right," are merely intended to facilitate understanding of the present application by those skilled in the art in light of the visual orientation illustrated in the accompanying drawings. The terms "mounted," "connected," and "connected" are to be construed broadly as the terms used herein, unless otherwise specifically defined and defined, and as such, the terms used herein should be construed in a manner consistent with the understanding of those terms used herein by those of ordinary skill in the art.
As shown in fig. 1, 2 and 4, a sealing protection device suitable for a connection part of a low-voltage cable comprises a shell 16 with an opening at the top, wherein the longitudinal section of the shell 16 is an integral structure formed by a bottom semicircular shell and a top rectangular shell. At the bottom semicircular shell of the shell 16 there is provided a shell inlet pipe 19 coaxial and communicating therewith, the shell inlet pipe 19 being machined with an external thread and being connected with a shrink ring 17 by means of the external thread. An inlet outer seal ring 18 is fitted to the inlet of the housing inlet pipe 19, and an inlet inner seal ring 15 is fitted to the outlet of the housing inlet pipe 19. The inlet outer sealing ring 18 is pressed against the outer surface of the inserted cable and the inner surface of the housing connection tube 19 under the action of the shrink ring 17. Of course, in the present invention, when the length of the constriction ring 17 is longer than the length of the connected housing inlet pipe 19, an inlet outer seal ring 18 may be installed at a position where the constriction ring 17 protrudes out of the housing inlet pipe 19.
The top opening end face of the shell 16 is rectangular, a frame body placing groove 13 is machined in the top opening end face of the rectangular structure, and the frame body placing groove 13 is a rectangular frame body. The edge positions of the frame body placing grooves 13 are respectively provided with a ring body step groove 12, and the ring body step grooves 12 and the frame body placing grooves 13 form a step structure.
The jacking sealing frames 5 which are the same as the projections in the horizontal direction are placed in the frame body placing grooves 13, jacking notches 6 are respectively machined on the two sides of the jacking sealing frames 5 and the bottom surfaces of the two ends of the jacking sealing frames, and the jacking notches 6 are rectangular notches. An adjusting hole 14 is processed on the inner wall of the shell 16 corresponding to the initial position of the jacking notch 6, and the adjusting hole 14 is a rectangular through hole communicated with the frame body placing groove 13.
The inside grafting of regulation hole 14 has jack-up expansion plate 7, and jack-up expansion plate 7 is arranged in the expansion plate frame body 8 of cross structure and can slide relatively with expansion plate frame body 8. In the initial state, the end part of the jacking expansion plate 7 which can be inserted into the adjusting hole 14 is flush with the end part of the expansion plate frame body 8, a through hole is processed in the middle part of the expansion plate frame body 8, and the top of the expansion plate frame body 8 is connected with a threaded sleeve 9. After the expansion plate connecting piece 21 is inserted into the through hole at the central position of the expansion plate frame body 8, the lifting expansion plate 7 positioned inside the expansion plate frame body can be driven by the expansion plate connecting piece 21, so that the lifting expansion plate 7 stretches out of the aligned adjusting hole 14 and stretches into the lifting notch 6 in the initial state.
The expansion plate frame body 8 can be connected with the threaded sleeve 9 through the expansion plate connecting piece 21, and can also be directly and fixedly connected with the threaded sleeve 9 into a whole. The inside of the threaded sleeve 9 is provided with internal threads, and is connected with a fastening screw positioned on the connecting hole 2 through the internal threads, and the connecting hole 2 is positioned in the cover body 1.
The shell 16 is also provided with a shell sealing plate 10 below the connecting position of the telescopic plate frame body 8, the bottom surface of the shell sealing plate 10 is provided with a buffer layer 11, and the buffer layer 11 is contacted with and pressed against a cable positioned in the shell 16. The edge position of the shell sealing plate 10 is attached to the inner wall of the shell 16, and a gasket for sealing is arranged at the attaching position.
The inner wall of the housing 16 is also provided with a housing inner limit groove 20 distributed along the edge profile thereof, and the housing inner limit groove 20 is positioned on the inner wall between the adjusting hole 14 and the top opening end surface of the housing 16.
As shown in fig. 3 and 7, the cover 1 includes a rectangular plate body corresponding to the shape of the top opening of the housing 16, two rings of cover sealing rings 22 corresponding to the positions of the ring-shaped step grooves 12 are provided at the bottom of the housing 1, and the space between adjacent cover sealing rings 22 allows the insertion of the jacking sealing frame 5 and can be deformed by the jacking sealing frame 5 to two sides by extrusion. The bottom surface of the cover body 1 is also provided with cover body limiting hooks 23, and the cover body limiting hooks 23 are distributed on two sides and two ends of the cover body 1 and are not connected with each other to the cover body limiting hooks 23. The cover body limiting clamp hook 23 and the shell body inner limiting groove 20 both comprise a clamping top surface 25 and a clamping inclined surface 26, the clamping inclined surface 26 on the cover body limiting clamp hook 23 can be conveniently inserted into the shell body 16 and force the cover body limiting clamp hook 23 to deform inwards when the cover body limiting clamp hook acts on the inner wall of the shell body 16, and after the cover body limiting clamp hook 23 is matched with the clamping top surface 25 in the shell body inner limiting groove 20, deformation of the cover body limiting clamp hook 23 disappears under the condition that external acting force disappears and the cover body limiting clamp hook 23 is reset.
The middle part position department of lid 1 has seted up connecting hole 2, and connecting hole 2 is located the border position department processing on top has rather than the coaxial pad body notch 3 that sets up, and connecting hole 2 is located the border position department processing of bottom have rather than the coaxial sleeve spacing groove 24 that sets up, and the internal diameter of sleeve spacing groove 24 is greater than the external diameter of screw sleeve 9.
As shown in fig. 5 and 6, the expansion board frame body 8 in the invention has a cross structure, and a through hole is formed in the middle position of the expansion board frame body 8. The inside of the expansion plate frame body 8 is of a hollow structure, the expansion plate 7 which slides relatively is inserted into the expansion plate frame body, the expansion plate 7 in an initial state is positioned in the expansion plate frame body 8, and the tail end of the expansion plate frame body is exposed into a through hole of the expansion plate frame body 8. After the expansion plate connecting piece 21 is inserted into the through hole of the expansion plate frame body 8, the expansion plate 7 can be driven by the expansion plate connecting piece 21 and forced to slide outwards along the expansion plate frame body 8. The lifting expansion plate 7 is driven by the expansion plate connector 21 to extend out of the expansion plate frame body 8 and enter the frame body placing groove 13 through the adjusting hole 14 on the shell 16. The jacking expansion plate 7 entering the frame body placing groove 13 is positioned in the jacking notch 6 in the jacking sealing frame 5. The height of the adjusting hole 14 is obviously larger than the heights of the jacking notch 6 and the jacking telescopic plate 7, so that the jacking sealing frame 5 can be driven to move upwards through the upward movement of the jacking telescopic plate 7.
The expansion plate frame body 8 is connected with the threaded sleeve 9 through the expansion plate connecting piece 21, and can be directly fixed with the threaded sleeve 9 into a whole at the position of the central through hole of the expansion plate frame body 8, and the expansion plate connecting piece 21 is connected with the threaded sleeve 9 and forces the jacking expansion plate 7 to extend outwards. The inside of the threaded sleeve 9 is provided with internal threads and can be connected with a fastening screw positioned in the connecting hole 2 in the cover body 1 through the internal threads, and the lifting of the threaded sleeve 9 and the telescopic plate frame body 8 is realized under the rotation of the fastening screw.
The present invention has been described in detail with reference to the above embodiments, and the functions and actions of the features in the present invention will be described in order to help those skilled in the art to fully understand the technical solution of the present invention and reproduce it.
When the invention is used, cables to be connected respectively extend into the inlet pipe 19 of the shell at the corresponding position, the cables at the two ends are put into the shell 16 after being connected, and the inlet outer sealing ring 18 is attached to the outer surface of the cable by screwing the contraction ring 17 on the inlet pipe 19 of the shell; since the inner diameter of the inner inlet seal 15 itself is smaller than the inner diameter of the housing inlet pipe 19, the surface of the insulating layer of the inserted cable itself can closely fit the inner inlet seal 15.
After the connection is completed, the housing sealing plate 10 is put into the housing 16, so that the buffer layer 11 at the bottom of the housing sealing plate 10 contacts and presses the cable and the cable connection position. The pad at the edge of the housing seal plate 10 can provide sufficient force against the inner wall of the housing 16 to promote a stable, airtight connection.
After the shell sealing plate 10 is placed into the telescopic plate frame body 8, after the end part of the telescopic plate frame body 8 is aligned with the adjusting hole 14, the telescopic plate connecting piece 21 is screwed into the threaded sleeve 9, so that the jacking telescopic plate 7 in the telescopic plate frame body 8 is forced to extend into the jacking notch 6. The top end of the threaded sleeve 9 can be positioned in a sleeve limit groove 24 on the bottom surface of the cover body 1.
After the operation is finished, the cover body 1 is covered at the top opening position of the shell 16, the cover body limiting clamping hook 23 is clamped with the limiting groove 20 in the shell, the fastening screw in the connecting hole 2 is rotated, the threaded sleeve 9 is lifted by the fastening screw, the jacking expansion plate 7 is further forced to drive the jacking sealing frame 5 to move upwards in the adjusting hole 14 through the jacking notch 6, the jacking sealing frame 5 is forced to move outwards in the process of moving upwards, and then the cover body sealing ring 22 and the ring body step groove 12 are pressed. After the operation is finished, the gasket is plugged into the gasket notch 3 of the connecting hole 2 to realize the sealing of the fastening screw.
In the present invention, an injection port 27 (only shown in fig. 1) for the filler may be provided in the cover 1, and the injection port 27 may be filled with an insulating flame-retardant sealant into the case 16.
Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a sealed protector suitable for junction of low tension cable, includes casing (16), the both ends entrance of casing (16) is provided with outside casing entry pipe (19) that extend, is connected with lid (1), its characterized in that in the open top position department of casing (16): the top opening end face of the shell (16) is provided with a frame body placing groove (13) for accommodating the jacking sealing frame (5), and the shape of the frame body placing groove (13) is the same as that of the top opening end face of the shell (16); the lifting telescopic plate comprises a frame body placing groove (13), a ring body step groove (12) is formed in the edge position of the frame body placing groove (13), an adjusting hole (14) communicated with the frame body placing groove (13) is formed in the inner wall of the position, corresponding to the frame body placing groove (13), of the shell body (16), a lifting telescopic plate (7) is inserted into the adjusting hole (14), and the lifting telescopic plate (7) is located in the telescopic plate frame body (8) and is arranged in a sliding mode with the telescopic plate frame body (8); the middle part of the expansion plate frame body (8) is provided with a through hole for a expansion plate connecting piece (21) to pass through, and the expansion plate connecting piece (21) passes through the through hole of the expansion plate frame body (8) to drive the jacking expansion plate (7) to move towards the direction of the adjusting hole (14) and contact with the jacking notch (6) in the jacking sealing frame (5); the expansion plate connecting piece (21) is inserted into the bottom end of the threaded sleeve (9), and the top end of the threaded sleeve (9) is connected with the connecting hole (2) of the cover body (1) through a fastening screw; the bottom surface of the cover body (1) is provided with a cover body sealing ring (22) corresponding to the position of the ring body step groove (12).
2. A seal protector for a cable connection according to claim 1, wherein: the shell inlet pipe (19) is connected with the shrink ring (17) through external threads, an inlet outer sealing ring (18) and an inlet inner sealing ring (15) are respectively arranged at the inlet and the outlet positions of the shell inlet pipe (19), the inlet inner sealing ring (15) is positioned at the through position of the shell inlet pipe (19) and the shell (16), and the inner diameter of the inlet inner sealing ring (15) is smaller than the inner diameter of the shell inlet pipe (19).
3. A seal protector for a cable connection according to claim 2, wherein: a shell sealing plate (10) with the same shape as the top opening of the shell (16) is also arranged in the shell, and a buffer layer (11) is arranged on the end surface of the shell sealing plate (10) contacted with the cable; the shell sealing plate (10) is positioned below the telescopic plate frame body (8), and a gasket body for sealing is arranged at the edge position where the shell sealing plate (10) is in contact with the inner wall of the shell (16).
4. A seal protector for a cable connection according to claim 3, wherein: the top of jacking sealing frame (5) is provided with flaring end (4), and the longitudinal section of flaring end (4) is isosceles trapezoid, forms the step structure that overlaps in circle body step groove (12) between flaring end (4) and jacking sealing frame (5).
5. The seal and protection device for a cable junction of claim 4, wherein: the shell (16) is provided with a shell inner limit groove (20) on the inner wall between the adjusting hole (14) and the top opening end surface, and the shell inner limit groove (20) is clamped and limited with a cover body limit clamping hook (23) at the bottom end of the cover body (1).
6. The seal and protection device for a cable junction of claim 5, wherein: the limiting groove (20) in the shell and the limiting clamping hook (23) of the cover body are respectively provided with a clamping top surface (25) for clamping, and the clamping top surfaces (25) are arranged in parallel relative to the end surface of the top opening of the shell (16); the limiting groove (20) and the cover limiting hook (23) in the shell are also provided with clamping inclined planes (26) which are mutually attached when in connection; the limiting groove (20) in the shell is continuously arranged on the inner wall of the shell (16) around the edge contour of the end face of the top opening of the shell (16), the cover limiting hooks (23) are distributed on two sides and two ends of the cover (1), and the cover limiting hooks (23) on two sides and two ends of the cover (1) are mutually independent.
7. The seal and protection device for a cable junction of claim 6, wherein: the cover body (1) is provided with a pad body notch (3) coaxial with the connecting hole (2) at the top edge of the connecting hole, the cover body (1) is provided with a sleeve limiting groove (24) which is spliced with the threaded sleeve (9) at the bottom edge of the connecting hole (2), and the inner diameter of the sleeve limiting groove (24) is larger than the outer diameter of the threaded sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210374971.7A CN114709790B (en) | 2022-04-11 | 2022-04-11 | Sealing protection device suitable for junction of low-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210374971.7A CN114709790B (en) | 2022-04-11 | 2022-04-11 | Sealing protection device suitable for junction of low-voltage cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114709790A CN114709790A (en) | 2022-07-05 |
| CN114709790B true CN114709790B (en) | 2024-05-03 |
Family
ID=82171988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210374971.7A Active CN114709790B (en) | 2022-04-11 | 2022-04-11 | Sealing protection device suitable for junction of low-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114709790B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588262A (en) * | 1968-02-13 | 1971-06-28 | Josef L Gabler | Housing for accommodating a stick of cosmetic material,for example a lipstick |
| CN101494368A (en) * | 2009-03-04 | 2009-07-29 | 于建新 | Water-proof plastic sealing element for cable sheath |
| CN104217840A (en) * | 2014-09-09 | 2014-12-17 | 国家电网公司 | Cable sealing device of waterproof transformer |
| CN104453231A (en) * | 2014-12-07 | 2015-03-25 | 苏州汇诚智造工业设计有限公司 | Gantry type building construction lifting device as well as manufacturing method and construction method thereof |
| CN107732811A (en) * | 2017-10-31 | 2018-02-23 | 中国重型机械研究院股份公司 | A kind of quick detachable cable protection covering device with position compensation |
| CN108321756A (en) * | 2018-04-15 | 2018-07-24 | 吴振强 | A kind of power cable case that can be monitored automatically |
-
2022
- 2022-04-11 CN CN202210374971.7A patent/CN114709790B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588262A (en) * | 1968-02-13 | 1971-06-28 | Josef L Gabler | Housing for accommodating a stick of cosmetic material,for example a lipstick |
| CN101494368A (en) * | 2009-03-04 | 2009-07-29 | 于建新 | Water-proof plastic sealing element for cable sheath |
| CN104217840A (en) * | 2014-09-09 | 2014-12-17 | 国家电网公司 | Cable sealing device of waterproof transformer |
| CN104453231A (en) * | 2014-12-07 | 2015-03-25 | 苏州汇诚智造工业设计有限公司 | Gantry type building construction lifting device as well as manufacturing method and construction method thereof |
| CN107732811A (en) * | 2017-10-31 | 2018-02-23 | 中国重型机械研究院股份公司 | A kind of quick detachable cable protection covering device with position compensation |
| CN108321756A (en) * | 2018-04-15 | 2018-07-24 | 吴振强 | A kind of power cable case that can be monitored automatically |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114709790A (en) | 2022-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212544220U (en) | Electronic box and cable switching assembly thereof | |
| CN207039155U (en) | A kind of cable protection pipe plugging device | |
| CN104023493B (en) | One electrical equipment wire via hole waterproof seal under water | |
| CN202454408U (en) | Device for guiding wire from low-voltage side of transformer | |
| CN114709790B (en) | Sealing protection device suitable for junction of low-voltage cable | |
| CN210867145U (en) | Explosion-proof cable lead-in device | |
| CN106122639A (en) | A kind of hose connection device | |
| US5147979A (en) | Threadless floor electric wire junction box with water-proof protection | |
| US10840685B2 (en) | Cable-holding device with sealing assembly | |
| CN110212460B (en) | Traction connection device for superconducting cable | |
| WO2023050747A1 (en) | Bundled submarine cable junction box | |
| WO2022121500A1 (en) | Watertight joint and plugging device | |
| CN115296086A (en) | Quick network cable connector of mining high-voltage vacuum power distribution device | |
| CN203934188U (en) | A kind of via hole of electrical appliance wires under water waterproof seal | |
| CN211266442U (en) | Metal water joint that connects formula leakproofness well soon | |
| CN209278687U (en) | A kind of high intensity snap ring-type locking waterproof hose connector | |
| CN102568781A (en) | Transformer low-voltage side outgoing line-leading device | |
| CN112952730A (en) | Terminal box | |
| CN216530506U (en) | Cable connection sealer with dustproof construction | |
| CN219268465U (en) | Waterproof airtight type cable connector | |
| CN220797785U (en) | Waterproof mechanism for middle joint of high-voltage cable | |
| CN215772504U (en) | Novel flange type waterproof sealing protective cover | |
| CN212849715U (en) | Waterproof junction box | |
| CN218920151U (en) | Explosion-proof waterproof motor line box | |
| CN219812378U (en) | Waterproof shell of circuit board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240328 Address after: 518000 909, Building 49, No. 3, Queshan Yunfeng Road, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong Applicant after: Shenzhen Morning Intellectual Property Operations Co.,Ltd. Country or region after: China Address before: 221200 no.903, Yongchang Road, Suining County, Xuzhou City, Jiangsu Province Applicant before: Jiangsu Hengkang Power Technology Co.,Ltd. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240411 Address after: 214200 Minzhu community, Xushe Town, Yixing City, Wuxi City, Jiangsu Province Applicant after: Wuxi Degang Jinggong Electromechanical Equipment Co.,Ltd. Country or region after: China Address before: 518000 909, Building 49, No. 3, Queshan Yunfeng Road, Taoyuan Community, Dalang Street, Longhua District, Shenzhen, Guangdong Applicant before: Shenzhen Morning Intellectual Property Operations Co.,Ltd. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |