CN112564023A - Cable sealing device and electronic box - Google Patents
Cable sealing device and electronic box Download PDFInfo
- Publication number
- CN112564023A CN112564023A CN202011502058.8A CN202011502058A CN112564023A CN 112564023 A CN112564023 A CN 112564023A CN 202011502058 A CN202011502058 A CN 202011502058A CN 112564023 A CN112564023 A CN 112564023A
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- CN
- China
- Prior art keywords
- hole
- cable
- sealing device
- sealing
- rotating shaft
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- 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.)
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Classifications
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- 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
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Abstract
The embodiment of the invention discloses a cable sealing device and an electric box. The cable sealing device provided by the embodiment of the invention comprises a fixed seat, a closing part and a sealing part; the fixing seat comprises a through hole; the closing part is connected with the fixed seat, the closing part is positioned on one side of the fixed seat along the hole depth direction of the through hole, and the closing part is used for sealing or exposing the through hole; the sealing component is arranged in the through hole; when the closing member exposes the through hole, the cable is inserted into the sealing member and positioned in the through hole along the depth direction of the through hole. According to the cable sealing device provided by the embodiment of the invention, under the two conditions that the electric box is not externally connected or is externally connected with a cable, the sealing performance of the electric box is ensured, small animals are prevented from entering the through holes and then entering the interior of the electric box, and the safety of the electric box is ensured.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a cable sealing device and an electric box.
Background
At present, with the construction of national power grids, a large number of electric boxes are put into use. The electric box is a device for assembling switch equipment, measuring instruments, protective electric appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirements.
The electric box in normal work is generally closed, and the leakproofness is stronger. However, if the on-site maintenance is needed, the electric box needs to be externally connected with the cable for multiple days, so that the cabinet door of the electric box is often opened for a period of time and the partial shell of the electric box is detached, the sealing performance of the electric box cannot be guaranteed, and the dark environment in the electric box easily attracts surrounding small animals to enter the electric box, so that the electric box is affected. For example, when a small animal touches the cable, the insulation resistance of the secondary circuit to the ground is easily reduced, and the insulation resistance of the serious animal is reduced to zero, so that a direct current positive power supply or a direct current negative power supply is grounded, a direct current fuse is easily fused, the safe operation of a power grid is seriously threatened, and great potential safety hazard is realized.
Disclosure of Invention
The invention aims to provide a cable sealing device and an electric box, which are used for ensuring the sealing property of the electric box and the safety of the electric box.
In a first aspect, an embodiment of the present invention provides a cable sealing device, where the cable sealing device includes: a fixing seat, a closing part and a sealing part; the fixing seat comprises a through hole; the closing part is connected with the fixed seat, the closing part is positioned on one side of the fixed seat along the hole depth direction of the through hole, and the closing part is used for sealing or exposing the through hole; the sealing component is arranged in the through hole; when the closing member exposes the through hole, the cable is inserted into the sealing member and positioned in the through hole along the depth direction of the through hole.
Optionally, the fixing base includes: a connecting member and an extension member; the closing component is connected with the connecting component, and is positioned on one side of the connecting component along the hole depth direction of the through hole; the extension component is connected with the connecting component, and is positioned on one side of the connecting component far away from the closing component along the hole depth direction of the through hole; the through hole penetrates through the connecting component and is positioned in the extending component.
Optionally, the closure member comprises: the rotating shaft seat, the rotating shaft piece and the movable cover; the rotating shaft seat is connected with the connecting component; the rotating shaft piece is arranged in the rotating shaft seat in a penetrating way and is movably connected with the rotating shaft seat; the movable cover is connected with the rotating shaft piece and used for sealing or exposing the through hole.
Optionally, the closing component further comprises a torsion spring; the torsion spring is sleeved on the rotating shaft piece; the torsion spring comprises a movable abutting part and a fixed abutting part; the movable abutting part abuts against the movable cover; the fixed abutting member abuts against the connection member.
Optionally, the device further comprises a hoop; the hoop is arranged on one side, far away from the connecting component, of the extending component.
Optionally, a sealing ring is further included; the sealing ring is arranged on one side, far away from the extension part, of the hoop.
Optionally, the inner diameter of the sealing ring is smaller than the inner diameter of the hoop.
Optionally, a rain-proof block is further included; the rain shielding block is arranged on one side of the extending component far away from the through hole.
Optionally, the sealing member is a rubber sleeve.
In a second aspect, an embodiment of the present invention further provides an electrical box, including: a housing, a base, at least one cable and at least one cable sealing device as described in the first aspect; the cable sealing device is arranged on the surface of the box body; the cable enters the interior of the box body through the base or the cable sealing device.
The cable sealing device provided by the embodiment of the invention comprises a fixed seat, a closing part and a sealing part; the fixing seat comprises a through hole, and the sealing component is arranged in the through hole. When the electric box does not need to be additionally connected with an external cable, the closing component seals the through hole, so that the sealing performance of the electric box is ensured, small animals are prevented from entering the through hole and further entering the interior of the electric box, and the safety of the electric box is ensured; when the electric box needs to be temporarily externally connected with a cable, the closing part exposes the through hole, so that the cable penetrates through the inside of the sealing part along the hole depth direction of the through hole and is positioned in the through hole, and the sealing part seals a gap between the cable and the fixing seat, so that the sealing performance of the electric box is ensured.
Drawings
Fig. 1 is a schematic front view of a cable sealing device according to an embodiment of the present invention;
fig. 2 is a schematic side view of a cable sealing device according to an embodiment of the present invention;
fig. 3 is a schematic front view of an electrical box according to an embodiment of the present invention.
Illustration of the drawings: 1. a fixed seat; 11. a connecting member; 12. an extension member; 2. a closing member; 21. a rotating shaft seat; 22. a shaft member; 23. a movable cover; 24. a torsion spring; 241. a movable abutting portion; 242. a fixed abutment; 25. a rain blocking block; 3. a sealing member; 4. hooping; 5. a seal ring; 6. a box body; 7. a base.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. In the description of the present embodiments, the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The cable sealing device provided by the embodiment of the invention can be arranged on an electric box and used as an additional temporary cable access port. Fig. 1 is a schematic front view of a cable sealing device according to an embodiment of the present invention, and fig. 2 is a schematic side view of the cable sealing device according to the embodiment of the present invention, and with reference to fig. 1 and fig. 2, the cable sealing device includes:
the sealing device comprises a fixed seat 1, a closing part 2 and a sealing part 3; the fixed seat 1 comprises a through hole; the closing part 2 is connected with the fixed seat 1, the closing part 2 is positioned on one side of the fixed seat 1 along the hole depth direction of the through hole, and the closing part 2 is used for sealing or exposing the through hole; the sealing component 3 is arranged in the through hole; when the closing member 2 exposes the through hole, the cable is inserted into the sealing member 3 along the hole depth direction of the through hole and is positioned in the through hole.
In particular, the holder 1 may be a flange structure. The fixing base 1 is provided with a through hole, when the fixing base 1 is disposed on the surface of the electrical box, the external cable can be inserted into the electrical box through the through hole on the fixing base 1, that is, the external cable is inserted into the electrical box through the through hole along the depth direction of the through hole, wherein referring to fig. 1, the depth direction of the through hole is a direction perpendicular to the paper surface. The closing component 2 is used for sealing or exposing the through hole, and when the electric box does not need an additional external cable, the closing component 2 seals the through hole; when the electronic box needs to be externally connected with a cable, the closing part 2 exposes the through hole. In this embodiment, the cable sealing device further includes a sealing member 3, the sealing member 3 is disposed in the through hole, and when the electronic box needs to be externally connected with a cable, the cable passes through the inside of the sealing member 3 and is located in the through hole, that is, the cable passes through the inside of the sealing member 3 disposed in the through hole and is inserted into the inside of the electronic box, so that the sealing member 3 seals a gap between the cable and the through hole, and the sealing performance of the electronic box when the cable is inserted into the electronic box is ensured.
In summary, according to the cable sealing device provided by the embodiment of the invention, when the electronic box does not need an additional external cable, the closing component seals the through hole, so that the sealing performance of the electronic box is ensured, small animals are prevented from entering the through hole and then entering the interior of the electronic box, and the safety of the electronic box is ensured; when the electric box needs to be temporarily externally connected with a cable, the closing part exposes the through hole, so that the cable penetrates through the inside of the sealing part along the hole depth direction of the through hole and is positioned in the through hole, and the sealing part seals a gap between the cable and the fixing seat, so that the sealing performance of the electric box is ensured. It should be noted that the small animals include ants, earthworms, mice, etc. which are small and flexible animals that like dark and damp, and the small animals may enter the electric box due to biological habits.
Optionally, the sealing member 3 is a rubber sleeve. Specifically, the diameter of the outer ring of the rubber sleeve can be matched with the aperture of the through hole, and when the rubber sleeve is arranged in the through hole, the surface of the outer ring of the rubber sleeve can be in close contact with the inner wall of the fixed seat 1; the diameter of the inner ring of the rubber sleeve can be matched with the diameter of the cross section of the cable, and when the cable passes through the inner ring of the rubber sleeve, the inner ring of the rubber sleeve can be in close contact with the surface of the cable, so that the sealing performance of the electric box when the electric box is inserted into the cable is ensured more reliably.
Optionally, with reference to fig. 1 and 2, the fixing base 1 includes: a connecting member 11 and an extension member 12; the closing component 2 is connected with the connecting component 11, and the closing component 2 is positioned on one side of the connecting component 11 along the hole depth direction of the through hole; the extension component 12 is connected with the connecting component 11, and the extension component 12 is positioned on one side of the connecting component 11 far away from the closing component 2 along the hole depth direction of the through hole; the through hole penetrates the connection member 11 and is located inside the extension member 12.
Specifically, since the through-hole penetrates the fixing base 1, it also penetrates the connecting member 11 and the extension member 12, i.e., the through-hole is located inside the extension member 12. When the cable sealing device is installed in an electrical box, the extension part 12 is located inside the electrical box, and the connection part 11 is fixed to the surface of the electrical box by a fixing member, such as a screw, a bolt, or the like.
The sealing component 3 is positioned in the through hole and is positioned in the extension component 12, the sealing component 3 can be arranged not to contact with the connecting component 11, so that the sealing component 3 is prevented from contacting with the closing component 2 to be abraded, and the service life of the sealing component 3 is ensured. The thickness of the sealing member 3 in the depth direction of the through-hole may vary according to the total length of the connecting portion 11 and the extending portion 12, for example, the sealing member 3 having a larger thickness may be provided as the total length of the connecting portion 11 and the extending portion 12 is longer, the sealing member 3 having a smaller thickness may be provided as the total length of the connecting portion 11 and the extending portion 12 is shorter, and the sealing property of the sealing member 3 may be enhanced as the thickness thereof increases.
It should be added that other constructions of the holder 1 exist, for example, the holder 1 comprises only a disc construction, i.e. only the coupling part 11 is provided. Under the condition of lacking extension part 12, the thickness of the arranged sealing part 3 is smaller, the sealing part 3 needs to be arranged in the through hole in a gluing mode and the like, and in addition, because the thickness of the sealing part 3 is smaller, the friction force between the cable and the sealing part 3 is smaller when the cable is inserted into the electric box, and the cable is favorably and quickly inserted into the electric box.
Optionally, in conjunction with fig. 1 and 2, the closing member 2 comprises: a rotating shaft seat 21, a rotating shaft piece 21 and a movable cover 23; the rotating shaft seat 21 is connected with the connecting part 11; the rotating shaft piece 21 penetrates through the rotating shaft seat 21 and is movably connected with the rotating shaft seat 21; the movable cover 23 is connected to the shaft member 21, and the movable cover 23 is used to seal or expose the through hole.
Specifically, the rotating shaft seat 21 is fixedly connected to the connecting member 11, the rotating shaft member 22 is inserted into the rotating shaft seat 21, the rotating shaft member 22 is rotatably connected to the rotating shaft seat 21, and the movable cover 23 is fixedly connected to the rotating shaft member 21.
When the electric box needs to be externally connected with a cable, the rotating shaft piece 22 moves in the rotating shaft seat 21 to drive the movable cover 23 to rotate to a position where the through hole is exposed, so that the cable can be inserted into the electric box through the through hole; when the electric box does not need an external cable, the rotating shaft member 22 moves in the rotating shaft seat 21 to drive the movable cover 23 to rotate to a position of completely sealing the through hole, that is, the movable cover 23 completely covers the through hole exposed on the connecting member 12, thereby ensuring the sealing performance of the electric box when the electric box is not inserted with the cable.
Optionally, in conjunction with fig. 1 and 2, the closing member 2 further comprises a torsion spring 24; the torsion spring 24 is sleeved on the rotating shaft member 22; the torsion spring 24 includes a movable abutment member 241 and a fixed abutment member 242; the movable contact member 241 is in contact with the movable lid 23; the fixed contact member 241 is in contact with the link member 11.
Specifically, the rotating shaft member 22 is sleeved with a torsion spring 24. The middle part of the torsion spring 24 is bent to form a movable abutting part 241 for abutting against the movable cover 23, and two sides of the torsion spring 24 are extended to form fixed abutting parts 242 for abutting against the connecting part 11.
By the arrangement of the torsion spring 24, when no cable is inserted into the through hole, the fixed abutting part 242 abuts against the connecting part 11, so that the movable abutting part 241 pushes the movable cover 23 to cover the through hole under the action of the elastic force to seal the through hole and prevent moisture and small animals from entering the moisture-proof electric box.
It should be added that other forms of the closing part 2 exist, for example, the closing part 2 includes a compression spring, a push plate and a guiding structure, the compression spring is connected with the connecting part 11 at one end and the push plate at the other end, and the push plate is slidably connected with the connecting part 11 through the guiding structure. When the cable is required to be inserted, the push plate is pushed to expose the through hole, after the cable is pulled out, the push plate resets under the action of the pressure spring to seal the through hole, and due to the adoption of the sliding mode, the occupied space is small, the possibility of being wetted by rainwater and the like is reduced, and the service life of the closing part 2 is prolonged.
Optionally, in conjunction with fig. 1 and 2, the cable sealing device further includes a clasp, 4; the anchor ear 4 is arranged on the side of the extension part 12 remote from the connecting part 11.
Specifically, staple bolt 4 is located the inside of electronic box, and the model of staple bolt 4 does not do specific restriction, can select according to the size of cable, as long as can lock on the cable, prevent that the cable from taking out from the electronic box can, improved cable sealing device's reliability and security.
In addition, along the depth direction of the through hole, when the thickness of the sealing component 3 is greater than the length of the extension component 12, as can be seen from the inside of the electric box, a part of the sealing component 3 is positioned inside the extension component 12, and a part of the sealing component is exposed to one side of the extension component 12 close to the hoop 4 without being wrapped by the extension component 12, at this time, the hoop 4 can lock the sealing component 3 exposed to one side of the extension component 12 close to the hoop 4 and the cable positioned inside the sealing component 3 as a whole, so as to prevent the hoop 4 from scraping the cable while preventing the cable from being drawn out of the electric box.
Optionally, in conjunction with fig. 1 and 2, the cable sealing device further comprises a sealing ring 5; the seal ring 5 is arranged on the side of the anchor ear 4 remote from the extension part 12.
In particular, the extension part 12 abuts against the sealing ring 5 through the anchor ear 4, the cable passes through the sealing ring 5, the sealing ring 5 is provided to better prevent the cable from being drawn out of the electrical box.
Optionally, the inner diameter of the sealing ring 5 is smaller than the inner diameter of the anchor ear 4. The inner diameter of the sealing ring 5 is smaller than that of the hoop when the cable and/or the sealing component 3 are locked, so that the cable is further prevented from being drawn out of the electric box, and the reliability of the cable sealing device is further improved.
Optionally, the cable sealing device further comprises a rain block 25; the rain blocking block 25 is provided on the side of the extension member 12 remote from the through hole.
Specifically, in the cable sealing device, a rain blocking piece 25 is provided on the connecting member 11 in a protruding manner. Through the setting of the rain blocking piece 25, prevent moving parts such as the pivot piece 22 and the torsional spring 24 on the one hand from receiving rainwater erosion and becoming invalid, on the other hand, through protruding rain blocking piece 25 of establishing be convenient for the staff conveniently find the perforating hole, improve the degree of discerning of perforating hole.
An embodiment of the present invention further provides an electrical box, fig. 3 is a schematic front view structure diagram of the electrical box provided in the embodiment of the present invention, and referring to fig. 3 in combination with fig. 1 and fig. 2, the electrical box includes: the cable sealing device comprises a box body 6, a base 7, at least one cable and at least one cable sealing device according to any technical scheme; the cable sealing device is arranged on the surface of the box body 6; the cable enters the interior of the housing 6 through the base 7 or cable gland.
Specifically, the cable sealing device can be fixedly connected with the box body 6 through bolts, and when the size of the cable is too large or too small, the cable sealing device with different through hole diameters can be replaced to adapt to cables with different sizes. When the electric box is in a general working state, the cable penetrates through the base 7 and enters the box body 6 to complete daily work; when the electronic box is in the time of need external cable, the cable can follow cable sealing device and get into in the box 6, need not open the chamber door of box 6, also need not demolish the partial structure of box 6, and cable sealing device has guaranteed the leakproofness of electronic box 6, has prevented that the toy from getting into box 6 to improve the security of electronic box. The electric box provided by the embodiment of the invention and the cable sealing device in any technical scheme belong to the same invention concept, the electric box and the cable sealing device can achieve the same technical effect, and repeated contents are not repeated here.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A cable sealing device, comprising: the sealing device comprises a fixed seat (1), a closing part (2) and a sealing part (3);
the fixed seat (1) comprises a through hole;
the closing part (2) is connected with the fixed seat (1), the closing part (2) is positioned on one side of the fixed seat (1) along the hole depth direction of the through hole, and the closing part (2) is used for sealing or exposing the through hole;
the sealing component (3) is arranged in the through hole; when the closing member (2) exposes the through hole, the cable is inserted into the sealing member (3) and positioned in the through hole along the hole depth direction of the through hole.
2. The cable sealing device according to claim 1, characterized in that the holder (1) comprises: a connecting member (11) and an extension member (12);
the closing component (2) is connected with the connecting component (11), and the closing component (2) is positioned on one side of the connecting component (11) along the hole depth direction of the through hole;
the extension part (12) is connected with the connecting part (11), and the extension part (12) is positioned on one side, away from the closing part (2), of the connecting part (11) along the hole depth direction of the through hole;
the through hole penetrates through the connecting part (11) and is positioned inside the extending part (12).
3. The cable sealing device according to claim 2, characterized in that the closing part (2) comprises: a rotating shaft seat (21), a rotating shaft piece (22) and a movable cover (23);
the rotating shaft seat (21) is connected with the connecting component (11);
the rotating shaft piece (22) penetrates through the rotating shaft seat (21) and is movably connected with the rotating shaft seat (21);
the movable cover (23) is connected with the rotating shaft piece (22), and the movable cover (23) is used for sealing or exposing the through hole.
4. A cable sealing device according to claim 3, wherein the closing member (2) further comprises a torsion spring (24);
the torsion spring (24) is sleeved on the rotating shaft piece (22); the torsion spring (24) comprises a movable abutting part (241) and a fixed abutting part (242);
the movable abutting member (241) abuts against the movable cover (23);
the fixed contact member (242) is in contact with the connection member (11).
5. The cable sealing device according to claim 2, further comprising a hoop (4);
the hoop (4) is arranged on one side, away from the connecting part (11), of the extending part (12).
6. The cable sealing device according to claim 5, further comprising a sealing ring (5);
the sealing ring (5) is arranged on one side, far away from the extension part (12), of the hoop (4).
7. The cable sealing device according to claim 6, characterized in that the inner diameter of the sealing ring (5) is smaller than the inner diameter of the anchor ear (4).
8. The cable sealing device according to claim 2, further comprising a rain block (25);
the rain blocking block (25) is arranged on one side of the extension part (12) far away from the through hole.
9. The cable sealing device according to claim 1, characterized in that the sealing member (3) is a rubber sleeve.
10. An electrical box, comprising: -a box (6), a base (7), at least one cable and at least one cable sealing device according to any one of claims 1 to 9;
the cable sealing device is arranged on the surface of the box body (6); the cable enters the interior of the box body (6) through the base (7) or the cable sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502058.8A CN112564023A (en) | 2020-12-17 | 2020-12-17 | Cable sealing device and electronic box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011502058.8A CN112564023A (en) | 2020-12-17 | 2020-12-17 | Cable sealing device and electronic box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112564023A true CN112564023A (en) | 2021-03-26 |
Family
ID=75063494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011502058.8A Pending CN112564023A (en) | 2020-12-17 | 2020-12-17 | Cable sealing device and electronic box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112564023A (en) |
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| CN110380373A (en) * | 2019-08-01 | 2019-10-25 | 广西电网有限责任公司北海供电局 | A kind of low-tension distribution box inlet-outlet line fire-resistant plugging device |
| CN210074678U (en) * | 2019-07-19 | 2020-02-14 | 无锡市腾创电气有限公司 | Novel cable plugging device |
| CN211377505U (en) * | 2019-12-24 | 2020-08-28 | 广东电网有限责任公司 | Wall-passing hole sleeve for cable of power supply vehicle |
| CN111864668A (en) * | 2020-08-14 | 2020-10-30 | 浙江汇之秋科技发展有限公司 | Fireproof assembly of cable preformed channel |
| CN212012016U (en) * | 2020-04-14 | 2020-11-24 | 倍仕得电气科技（杭州）股份有限公司 | Cable connector and electrical equipment with same |
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2020
- 2020-12-17 CN CN202011502058.8A patent/CN112564023A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003348737A (en) * | 2002-05-29 | 2003-12-05 | Keiko Inoue | Water stop material for grommet |
| JP2004320920A (en) * | 2003-04-17 | 2004-11-11 | Yazaki Corp | Sealing structure of wire harness |
| CN201554961U (en) * | 2009-12-23 | 2010-08-18 | 广东吉熙安电缆附件有限公司 | Sealing structure of inlet cables of electronic box |
| CN206060105U (en) * | 2016-08-22 | 2017-03-29 | 江苏万威电气有限公司 | A kind of outgoing line device of distribution box |
| CN210074678U (en) * | 2019-07-19 | 2020-02-14 | 无锡市腾创电气有限公司 | Novel cable plugging device |
| CN110380373A (en) * | 2019-08-01 | 2019-10-25 | 广西电网有限责任公司北海供电局 | A kind of low-tension distribution box inlet-outlet line fire-resistant plugging device |
| CN211377505U (en) * | 2019-12-24 | 2020-08-28 | 广东电网有限责任公司 | Wall-passing hole sleeve for cable of power supply vehicle |
| CN212012016U (en) * | 2020-04-14 | 2020-11-24 | 倍仕得电气科技（杭州）股份有限公司 | Cable connector and electrical equipment with same |
| CN111864668A (en) * | 2020-08-14 | 2020-10-30 | 浙江汇之秋科技发展有限公司 | Fireproof assembly of cable preformed channel |
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