CN211209258U

CN211209258U - High-voltage cable bypass intermediate joint protective shell

Info

Publication number: CN211209258U
Application number: CN202020224197.8U
Authority: CN
Inventors: 武建华
Original assignee: Guangdong Jiaruida Technology Co ltd
Current assignee: Guangdong Jiaruida Technology Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-08-07
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a high-voltage cable bypass intermediate head protective shell, which comprises a lower shell and an upper shell which are buckled together, wherein a containing cavity for containing an intermediate head is formed between the lower shell and the upper shell, and through holes for cables to pass through are arranged at the two ends of the lower shell and the upper shell; its characterized in that, the inferior valve includes bottom and downside the inboard of downside is provided with and encircles hold chamber and opening slot up, the epitheca includes top and upside, the inboard of upside is provided with and encircles hold chamber and downwardly extending's inserted sheet, the inserted sheet inserts in the slot. The utility model provides a high tension cable bypass intermediate head protecting crust, inferior valve and epitheca lock are when together, and the inserted sheet has increased creepage safe distance in inserting the slot, improves the security, avoids cable intermediate head to explode or puncture, can carry out effectual protection to peripheral other electric power facilities and personnel, prevents the purpose of the emergence of secondary injury.

Description

High-voltage cable bypass intermediate joint protective shell

Technical Field

The utility model relates to a cable accessories technical field especially relates to a high tension cable bypass intermediate head protecting crust.

Background

In outdoor power failure maintenance, since there is a case where power cannot be turned off for a long time, it is necessary to temporarily energize the power near a maintenance position. The method generally adopted at present is to connect a bypass cable before and after the fault position of the fault cable respectively, and the two bypass cables are connected through an intermediate joint. Because the construction position is possibly in a severe environment or dense personnel, if the middle joint is subjected to breakdown and explosion accidents, a large amount of energy can be released, other surrounding electric power facilities or personnel are damaged, and even secondary accidents can be caused.

Disclosure of Invention

To above-mentioned prior art current situation, the utility model provides a high tension cable bypass intermediate head protecting crust avoids the cable intermediate head to explode or puncture, can carry out effectual protection to peripheral other electric power facilities and personnel, prevents the purpose of secondary damage's emergence.

In order to solve the technical problem, the utility model provides a high-voltage cable bypass intermediate head protective shell, including lower casing and upper casing that the lock is together, form the holding chamber that is used for holding the intermediate head between lower casing and the upper casing, the both ends of lower casing and upper casing are provided with the via hole that the cable passes; its characterized in that, the inferior valve includes bottom and downside the inboard of downside is provided with and encircles hold chamber and opening slot up, the epitheca includes top and upside, the inboard of upside is provided with and encircles hold chamber and downwardly extending's inserted sheet, the inserted sheet inserts in the slot.

The utility model provides a high tension cable bypass intermediate head protecting crust is owing to be provided with slot and inserted sheet in the week side that holds the chamber, and inferior valve and epitheca lock are when being in the same place, and the inserted sheet has increased creepage safe distance in inserting the slot, improves the security, avoids cable intermediate head to explode or puncture, can carry out effectual protection to peripheral other electric power facilities and personnel, prevents the purpose of the emergence of secondary injury.

In one embodiment, a baffle plate extending in the vertical direction is arranged on the inner side of the lower side part, the lower end of the baffle plate is connected with the lower end of the lower side part through a bottom plate, and the slot is formed among the baffle plate, the lower side part and the bottom plate.

In one embodiment, ribs are arranged on two side faces of the inserting sheet and/or the outer side face of the baffle and/or the inner side face of the lower side part.

In one embodiment, the bottom is arc-shaped, and two ends of the bottom are respectively connected with the baffle.

In one embodiment, the lower shell is cuboid, outer lower through grooves are formed in two lower side portions in the length direction, inner lower through grooves are formed in two baffle plates in the length direction, and the inner lower through grooves are opposite to the outer lower through grooves; the upper shell is cuboid, outer upper through grooves are formed in two upper side portions in the length direction, inner upper through grooves are formed in two inserting pieces in the length direction, and the inner upper through grooves are opposite to the outer upper through grooves; when the upper shell is buckled with the lower shell, the outer upper through groove, the inner upper through groove, the outer lower through groove and the inner lower through groove are opposite to form the via hole.

In one embodiment, the lower shell and the upper shell are both integrally formed by plastic injection molding.

The advantageous effects of the additional features of the present invention will be explained in the detailed description of the preferred embodiments of the present description.

Drawings

Fig. 1 is a schematic perspective view of a protective shell of a high-voltage cable bypass intermediate joint in an embodiment of the present invention;

fig. 2 and 3 are cross-sectional views of a high-voltage cable bypass intermediate joint protective shell according to an embodiment of the present invention, wherein fig. 2 is a state before buckling and fig. 3 is a state after unbuckling;

fig. 4 is a usage state diagram of the high voltage cable bypass intermediate head protective shell in the embodiment of the present invention.

Description of reference numerals: 10. a protective shell; 12. a lower case; 121. a bottom; 122. a baffle plate; 122a, inner lower through grooves; 123. a lower side portion; 123a, an outer lower through groove; 124. a base plate; 125. a slot; 126. accommodating grooves; 14. an upper shell; 141. a top portion; 142. inserting sheets; 144. an upper side portion; 144a and an outer upper through groove; 15. a rib is protruded; 16. a via hole; 20. an intermediate joint; 30. a cable.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

Fig. 1 is the utility model provides an in the embodiment of the utility model the spatial structure schematic diagram of 20 protecting crust of high tension cable bypass intermediate head 10, fig. 2 is the embodiment of the utility model provides an in the embodiment of the cross-sectional view before 20 protecting crust of high tension cable bypass intermediate head 10 locks, fig. 3 is the embodiment of the utility model provides an in the embodiment of the cross-sectional view behind 20 protecting crust of high tension cable bypass intermediate head 10 locks. As shown in fig. 1-3, the shield case 10 of the high voltage cable bypass intermediate connector 20 is mainly composed of a lower case 12 and an upper case 14. The lower shell 12 includes a bottom portion 121 and a lower portion 123, the bottom portion 121 and the lower portion 123 enclose an accommodating groove 126, and an insertion groove 125 surrounding the accommodating groove 126 and having an upward opening is disposed inside the lower portion 123. The upper shell 14 includes a top portion 141 and an upper side portion 144, and the inner side of the upper side portion 144 is provided with a tab 142 surrounding the receiving groove 126 and extending downward. When the lower case 12 and the upper case 14 are fastened together, the lower case 12 and the upper case 14 form a receiving cavity, and the insertion piece 142 is inserted into the insertion slot 125.

The utility model discloses a high tension cable bypass intermediate head protecting crust 10, owing to be provided with slot 125 and inserted sheet 142 in the week side that holds the chamber, inferior valve 12 and epitheca 14 lock are when being in the same place, and inserted sheet 142 has increased creepage safe distance in inserting slot 125, improves the security, avoids cable intermediate head 20 to explode or puncture, can carry out effectual protection to other peripheral electric power facilities and personnel, prevents the purpose of the emergence of secondary damage.

Preferably, the inner side of the lower side part 123 is provided with a baffle 122 extending along the vertical direction, the lower end of the baffle 122 is connected with the lower end of the lower side part 123 through a bottom plate 124, and a slot 125 is formed between the baffle 122, the lower side part 123 and the bottom plate 124, so that the depth of the slot 125 is deeper, and the creepage safety distance is further increased.

Preferably, the two side surfaces of the insertion piece 142 and/or the outer side surface of the baffle 122 and/or the inner side surface of the lower side part 123 are provided with the ribs 15, when the insertion piece 142 is inserted into the slot 125, the ribs 15 are clamped in the gap between the insertion piece 142 and the baffle 122 or the lower side part 123, so that the binding force between the lower shell 12 and the upper shell 14 can be increased, and the easy opening is avoided.

Preferably, the lower case 12 has a rectangular parallelepiped shape, and outer lower passing grooves 123a are provided on both lower side portions 123 in the longitudinal direction, and inner lower passing grooves 122a are provided on both baffle plates 122 in the longitudinal direction, the inner lower passing grooves 122a being opposite to the outer lower passing grooves 123 a. The upper case 14 has a rectangular parallelepiped shape, and two upper side portions 144 in the longitudinal direction are provided with outer upper passing grooves 144a, and two insertion pieces 142 in the longitudinal direction are provided with inner upper passing grooves, which are opposite to the outer upper passing grooves 144 a. When the upper shell 14 is buckled with the lower shell 12, the outer upper through groove 144a, the inner upper through groove, the outer lower through groove 123a and the inner lower through groove 122a are opposite to each other to form a through hole 16 for the cable 30 to pass through.

Preferably, the lower shell 12 and the upper shell 14 are both integrally formed by plastic injection molding, so that the processing is convenient and the cost is low.

As shown in FIG. 4, in use, the connected middle connector 20 is placed in the receiving groove 126 of the lower shell 12, the cables 30 connected to both ends of the middle connector 20 are placed in the inner lower through groove 122a and the outer lower through groove 123a, and then the upper shell 14 is fastened.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A high-voltage cable bypass intermediate joint protective shell comprises a lower shell and an upper shell which are buckled together, wherein a containing cavity for containing an intermediate joint is formed between the lower shell and the upper shell, and through holes for cables to pass through are formed in two ends of the lower shell and the upper shell; its characterized in that, the inferior valve includes bottom and downside the inboard of downside is provided with and encircles hold chamber and opening slot up, the epitheca includes top and upside, the inboard of upside is provided with and encircles hold chamber and downwardly extending's inserted sheet, the inserted sheet inserts in the slot.

2. The high-voltage cable bypass intermediate joint protective shell according to claim 1, wherein a baffle plate extending in a vertical direction is arranged on the inner side of the lower side portion, the lower end of the baffle plate is connected with the lower end of the lower side portion through a bottom plate, and the slot is formed among the baffle plate, the lower side portion and the bottom plate.

3. The high-voltage cable bypass intermediate joint protective shell according to claim 2, wherein ribs are arranged on two side faces of the inserting sheet and/or on an outer side face of the baffle and/or on an inner side face of the lower side portion.

4. The protective shell for the intermediate joint of the high-voltage cable bypass according to claim 2, wherein the bottom is arc-shaped, and two ends of the bottom are respectively connected with the baffle.

5. The shield shell for the intermediate joint of the high-voltage cable bypass according to claim 2, wherein the lower shell has a rectangular parallelepiped shape, and outer lower through grooves are provided on two lower side portions in a length direction, and inner lower through grooves are provided on two baffle plates in the length direction, the inner lower through grooves being opposite to the outer lower through grooves; the upper shell is cuboid, outer upper through grooves are formed in two upper side portions in the length direction, inner upper through grooves are formed in two inserting pieces in the length direction, and the inner upper through grooves are opposite to the outer upper through grooves; when the upper shell is buckled with the lower shell, the outer upper through groove, the inner upper through groove, the outer lower through groove and the inner lower through groove are opposite to form the via hole.

6. The high-voltage cable bypass intermediate joint protective shell according to any one of claims 1 to 5, wherein the lower shell and the upper shell are integrally formed by plastic injection molding.