CN208939545U - A kind of cross-connect grounding box of high leakproofness - Google Patents
A kind of cross-connect grounding box of high leakproofness Download PDFInfo
- Publication number
- CN208939545U CN208939545U CN201821415456.4U CN201821415456U CN208939545U CN 208939545 U CN208939545 U CN 208939545U CN 201821415456 U CN201821415456 U CN 201821415456U CN 208939545 U CN208939545 U CN 208939545U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- case lid
- cross
- mounting hole
- ring seals
- 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
Abstract
The utility model embodiment discloses a kind of cross-connect grounding box of high leakproofness, including cabinet, case lid and the internal components that the box house is arranged in, mounting hole is arranged in the case lid circumferentially-spaced, and the edge-perpendicular in the case lid lower surface extends four case lid edge supports items interconnected；The cabinet extends around flange face, the interval setting mounting hole on the flange face, and the mounting hole on the flange face of the cabinet surrounding is aligned with the mounting hole of the case lid surrounding, and is fixed by bolt；Double O-ring seals slots are provided on the inside of the flange face of the cabinet；The cross-connect grounding box of the high leakproofness further comprises a pair of O-ring seals, and double O-ring seals are set in double O-ring seals slots.Implement the utility model embodiment, there is high sealing performance between cabinet and case lid.
Description
Technical field
The utility model relates to Voltage Cable Lines Construction field, in particular to the cross-connect grounding box of a kind of high leakproofness.
Background technique
With the high speed development in city, to elements such as land used anxiety, public safety, landscape and the power grid securities in urban district
It is required that main large- and-medium size cities are largely using Voltage Cable Lines Construction substitution overhead transmission line to City Substation power transmission.High-voltage electricity
Cable routes cable and attachment main equipment and metallic shield grounding protection affiliated facility composition, long cable circuit to protective metal shell into
Row sectionalised protection grounding, most typical is cross-connect protective grounding mode, and this mode of connection need to pass through cross-connect
Grounding box is realized.
Cross-connect grounding box panel sealing, using between case lid and box flange panel plus a flat rubber mat of flat sealing carrys out reality
Existing, this sealing means, since tightly lock acts on case lid panel fastening bolt external member, the case lid panel between two bolts can be deformed,
And the deformation of flat sealed rubber mat is small, causes rebound insufficient, so as to cause poor sealing, grounding box is caused to be easy water inlet, makes electricity
The cross-connect on cable road is failed, and brings serious influence to the safe operation of route.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of cross-connect case grounding box of high leakproofness,
Multi-sealing structure is provided between its case lid and cabinet, sealing performance is excellent.
In order to solve the above-mentioned technical problem, the embodiments of the present invention provide a kind of cross-connect ground connection of high leakproofness
Case, including cabinet, case lid and the internal components that the box house is arranged in, in which:
Mounting hole is arranged in the case lid circumferentially-spaced, and the edge-perpendicular in the case lid lower surface is extended four and mutually interconnected
The case lid edge supports item connect；
The cabinet extends around flange face, the interval setting mounting hole on the flange face, the cabinet surrounding
Mounting hole on flange face is aligned with the mounting hole of the case lid surrounding, and is fixed by bolt；
Double O-ring seals slots are provided on the inside of the flange face of the cabinet；
The cross-connect grounding box of the high leakproofness further comprises a pair of O-ring seals, and double O-ring seals are set
It is placed in double O-ring seals slots.
Preferably, the inside of the case lid edge supports item is matched with the flange face end face outside of the cabinet.
Preferably, there are three inlet wire pipes for setting in the cabinet one side wall, are arranged on another side wall of the cabinet
There is earthing pole casing.
Preferably, the inlet wire pipe is conical pipe, and conical pipe heavy caliber part is located in the box body, osculum path portion position
In outside cabinet.
Preferably, the internal components include at least: more cross-over blocks, two pieces of insulation boards, earthing pole connecting plate, coaxial electrical
The fixed fitting of the outer core conductor of cable, three pieces of cross-connect side plates, the fixed fitting of coaxial cable inner core conductor, protector and three pieces of guarantors
Protect device connecting plate.
Implement the utility model embodiment, has the following beneficial effects:
The cross-connect grounding box of high leakproofness provided by the utility model, by the close installation of box flange plane
Hole location position is provided with double O-ring seals slots, cooperates double O-ring seals, good seal performance；
Meanwhile position of mounting hole being provided with edge supports item in case lid, it is matched with box flange face end face, into
One step improves sealing performance；
In addition, cooperate adhesive tape and marine glue by using tapered inlet wire pipe, it can be to the gap between inlet wire and inlet wire pipe
It is filled sealing；
The utility model realizes the reliable sealing between cross-connect box body and case lid, and operation and maintenance are easy, at low cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of fractionation structural representation of the cross-connect case grounding box of high leakproofness provided by the utility model
Figure；
Fig. 2 is the structural schematic diagram of another angle of the upper cover in Fig. 1；
Fig. 3 is the structural schematic diagram of double O-shaped sealing frames in Fig. 1；
Fig. 4 is the cross section view of each edge of double O-shaped sealing frames in Fig. 3；
Fig. 5 is box house structural schematic diagram in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It describing clear and completely, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under all other embodiment obtained, fall within the protection scope of the utility model.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this
The little other details of new relationship.
As shown in Figure 1, the fractionation structure for showing the cross-connect grounding box of high leakproofness provided by the utility model is shown
It is intended to；It combines shown in Fig. 2 and Fig. 3 together, the grounding box includes cabinet 1, case lid 2, and is arranged in inside the cabinet 1
Internal components, the internal components, which include at least, multiple protectors 148, in which:
The cabinet 1 extends around flange face 10, and the first mounting hole 11 is arranged at intervals on the flange face 10；
2 circumferentially-spaced of case lid is provided with the second mounting hole 21, the first mounting hole on the flange face 10 of the cabinet 1
11 and the case lid 2 on corresponding second mounting hole 21 be aligned, and be fixed by multiple bolt (not shown).
Edge-perpendicular in 2 lower surface of case lid extends four case lid edge supports items 22 interconnected；It is described
The inside of case lid edge supports item 22 is matched with 10 end face outside of flange face of the cabinet 1, specifically, matching between the two
It closes, can prevent that case lid is caused to deform and cause seal failure problem due to bolt fastening.
Preferably, double O-ring seals slots are provided on the inside of the first mounting hole in the flange face 10 of the cabinet 1
15；
The cross-connect grounding box of the high leakproofness further comprises a pair of O-ring seals 3, double O-ring seals 3
It is set in double O-ring seals slots 15.The specific structure of double O-ring seals 3 is joined as shown in figure 3 and figure 4, by four edges
Head and the tail are formed by connecting, and each side includes two cylindrical bodies 30 and the sealing strip that is connected between two cylindrical bodies 30
31.In cabinet 1 and solid 2 spiral shell of case lid, two cylindrical bodies 30 are deformed, and can be filled up completely between cabinet 1 and case lid 2
Gap.
More specifically, there are three inlet wire pipes 12 for setting in 1 one side wall of cabinet, in another side wall of the cabinet 1
On be provided with earthing pole casing 13.In one example, the inlet wire pipe 12 can use conical pipe.The inlet wire pipe is tubulose
Form, conical pipe heavy caliber part is in cabinet 1, and osculum path portion is outside cabinet 1.In actual use, when coaxial cable from
Conical pipe 13 is passed into cross-connect case connect with corresponding fixation fitting after, it is small-bore outside the cabinet of taper inlet wire pipe 12
Part is tentatively sealed using adhesive tape is wrapped, and marine glue is perfused at the big path of taper inlet wire pipe in cabinet, to inlet wire and
Gap between taper inlet wire pipe is filled sealing.The sealing means are easy to operate, high-efficient, and sealing effect is good.
As shown in figure 5, the internal components include at least: multiple cross-over blocks 141, insulation board 142, earthing pole connecting plate
143, the fixed fitting 145 of the outer core conductor of coaxial cable, cross-connect side plate 146, the fixed fitting 147 of coaxial cable inner core conductor,
Protector 148 and protector connecting plate 149.
Wherein, multiple cross-over blocks 141 are provided on the bottom surface in the cabinet 1；
Two pieces of insulation boards 142, parallel and interval setting, both ends are fixed on 141 upper surface of cross-over block, wherein
First insulation board is arranged at intervals with the fixed fitting 145 of the outer core conductor of three coaxial cables close to three inlet wire pipes 12 thereon；
The fixed fitting 147 of three coaxial cable inner core conductors is arranged at intervals on second insulation board；
Earthing pole connecting plate 143 is set on cross-over block 141, and parallel with two pieces of insulation boards 142 and be in
In same level, one end is connected with the earthing pole casing 3；
Wherein, fixed 145 upper surface of fitting of the outer core conductor of three coaxial cables of the first insulation board is separately connected an intersection
Interconnect side plate 146, a coaxial cable inner core conductor on each other end and the second insulation board for intersecting mutual side plate 11
The upper surface of fixed fitting 147 is connected；
Three protectors 148, each protector 148 are cylindrical structure, and connection conductive column is stretched out at both ends；Each protector
148 are vertically fixed on earthing pole connecting plate 143, and the upper end connection conductive column card is fixed with 149 one end of protector connecting plate, institute
The other end for stating protector connecting plate 149 is connected with the upper surface of the fixed fitting 147 of a coaxial cable inner core conductor.
Specifically, three pieces of cross-connect side plates 146 by " downwards right-falling stroke " or " pressing down downwards " mode with the coaxial cable of two sides outside
Core conductor fixes the fixed fitting 147 of fitting 145, coaxial cable inner core conductor and is connected.
In one example, the cabinet 1, inlet wire pipe 12, box flange face 11, case lid 2 are all made of stainless steel material；Institute
It states the fixed fitting 145 of the outer core conductor of coaxial cable, cross-connect side plate 146, the fixed fitting 147 of coaxial cable inner core conductor, protect
Shield device connecting plate 149, earthing pole connecting plate 143 are all made of copper product, and the cross-over block 141 and insulation board 142 are all made of ring
Oxygen plate.
It is understood that in the present invention, oversheath of the cross-connect grounding box for high-tension cable road is grounded
The cross-connect wiring of protection, three-phase have stripped external insulation to the coaxial cable of appropriate length from cross-connect grounding box three
Inlet wire pipe pierces into case, connects respectively with the fixed fitting of corresponding internal and external conductor, by cross-connect side plate, by " downwards right-falling stroke " or
Three coaxial cable internal and external conductor of " right-falling stroke downwards " mode, which is jumped, to be led to, by any inner core of three coaxial cable inlet wires and other one
Outer core is electrically connected, and realizes core cross-connect effect inside and outside inlet wire coaxial cable, and the inside and outside core of coaxial cable connects respectively
The protective metal shell of insulation both sides of head is connect, therefore, is realized by cross-connect case and is intersected in cable insulated joint three-phase protective metal shell
Downlink connection.
Implement the utility model embodiment, has the following beneficial effects:
The cross-connect grounding box of high leakproofness provided by the utility model, by the close installation of box flange plane
Hole location position is provided with double O-ring seals slots, cooperates double O-ring seals, good seal performance；
Meanwhile position of mounting hole being provided with edge supports item in case lid, it is matched with box flange face end face, into
One step improves sealing performance；
In addition, cooperate adhesive tape and marine glue by using tapered inlet wire pipe, it can be to the gap between inlet wire and inlet wire pipe
It is filled sealing；
The utility model realizes the reliable sealing between cross-connect box body and case lid, and operation and maintenance are easy, at low cost.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (5)
1. the cross-connect grounding box of a kind of high leakproofness, including cabinet, case lid and the inside that the box house is arranged in
Device, it is characterised in that:
The case lid circumferentially-spaced is arranged mounting hole, the edge-perpendicular in the case lid lower surface extend four it is interconnected
Case lid edge supports item；
The cabinet extends around flange face, interval setting mounting hole, the flange of the cabinet surrounding on the flange face
Mounting hole on face is aligned with the mounting hole of the case lid surrounding, and is fixed by bolt；
Double O-ring seals slots are provided on the inside of the flange face of the cabinet；
The cross-connect grounding box of the high leakproofness further comprises a pair of O-ring seals, and double O-ring seals are set to
In double O-ring seals slots.
2. grounding box as described in claim 1, which is characterized in that the inside of the case lid edge supports item and the cabinet
Flange face end face outside matches.
3. grounding box as claimed in claim 2, which is characterized in that the inlet wire pipe there are three settings in the cabinet one side wall,
Earthing pole casing is provided on another side wall of the cabinet.
4. grounding box as claimed in claim 3, which is characterized in that the inlet wire pipe is conical pipe, the conical pipe heavy caliber
Part is located in the box body, and osculum path portion is located at outside cabinet.
5. grounding box as claimed in claim 4, which is characterized in that the internal components include at least: more cross-over blocks, two pieces
The fixed fitting of the outer core conductor of insulation board, earthing pole connecting plate, coaxial cable, three pieces of cross-connect side plates, coaxial cable inner cores are led
Body fixes fitting, protector and three block protector connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415456.4U CN208939545U (en) | 2018-08-31 | 2018-08-31 | A kind of cross-connect grounding box of high leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415456.4U CN208939545U (en) | 2018-08-31 | 2018-08-31 | A kind of cross-connect grounding box of high leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939545U true CN208939545U (en) | 2019-06-04 |
Family
ID=66719373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821415456.4U Active CN208939545U (en) | 2018-08-31 | 2018-08-31 | A kind of cross-connect grounding box of high leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474286A (en) * | 2019-09-17 | 2019-11-19 | 深圳供电局有限公司 | Variable connecting box for coaxial cable inlet wire |
| CN110601126A (en) * | 2019-09-17 | 2019-12-20 | 深圳供电局有限公司 | Connecting box for single-core cable inlet wire |
| CN111969547A (en) * | 2020-08-17 | 2020-11-20 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding box with anti-theft function |
-
2018
- 2018-08-31 CN CN201821415456.4U patent/CN208939545U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474286A (en) * | 2019-09-17 | 2019-11-19 | 深圳供电局有限公司 | Variable connecting box for coaxial cable inlet wire |
| CN110601126A (en) * | 2019-09-17 | 2019-12-20 | 深圳供电局有限公司 | Connecting box for single-core cable inlet wire |
| CN111969547A (en) * | 2020-08-17 | 2020-11-20 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding box with anti-theft function |
| CN111969547B (en) * | 2020-08-17 | 2021-11-09 | 杭州巨骐信息科技股份有限公司 | Intelligent grounding box with anti-theft function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208939545U (en) | A kind of cross-connect grounding box of high leakproofness | |
| CN201904596U (en) | General grounding box for cable sheath | |
| CN209046229U (en) | A kind of band power frequency and high-frequency mutual inductor Voltage Cable Lines Construction cross-connect case | |
| CN109193548A (en) | A kind of band power frequency and high-frequency mutual inductor Voltage Cable Lines Construction cross-connect case | |
| CN104253400A (en) | Wind power busbar incoming and outgoing box | |
| CN203522110U (en) | 110kV and above high-voltage crossing interconnection grounding case | |
| CN201498604U (en) | Lightning-shielding ground protection device | |
| CN202957567U (en) | Anti-electric-shock intersecting interconnecting protection box | |
| CN208939544U (en) | One kind can plug protector cross-connect grounding box | |
| CN208862312U (en) | A kind of electric current distribution busbar assembly | |
| CN209488104U (en) | A kind of cross-connect case grounding box of in-built electrical flow table | |
| CN209389633U (en) | A kind of cross-connect case grounding box of easy opening and closing case lid | |
| CN104242202B (en) | High-voltage non-segregated phase bus and mounting method thereof | |
| CN203026897U (en) | Power cable distribution box | |
| CN209389634U (en) | A kind of cross-connect case grounding box with sealing incoming line structure | |
| CN209267058U (en) | A kind of cross-connect case grounding box with safety screen | |
| CN208874258U (en) | A kind of cross-connect case grounding box with observation window | |
| CN103311931A (en) | Compact integration high voltage power capacitor device | |
| CN206237115U (en) | Buried cable sheath grounding box | |
| CN208874263U (en) | A kind of high-voltage cable middle joint protecting crust that screw rod is reinforced | |
| CN207588261U (en) | A kind of gas-insulated enclosed switchgear | |
| CN204857994U (en) | 35kV cable metallic sheath circumscribed ground protection case | |
| CN205595263U (en) | High voltage isolator earthing device | |
| CN2759023Y (en) | Combined ground resistance apparatus | |
| CN204696636U (en) | Earthing box for electric cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |