CN215119278U - Power cable joint box - Google Patents

Power cable joint box Download PDF

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Publication number
CN215119278U
CN215119278U CN202121470542.7U CN202121470542U CN215119278U CN 215119278 U CN215119278 U CN 215119278U CN 202121470542 U CN202121470542 U CN 202121470542U CN 215119278 U CN215119278 U CN 215119278U
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CN
China
Prior art keywords
shell
wing plate
fixed
bolt
power cable
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Active
Application number
CN202121470542.7U
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Chinese (zh)
Inventor
耿翠英
郭建宇
陈上吉
梁玉芳
王文豪
孙端
李锰
张龙
石钧
林烽
刘洋
娄北
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Henan Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Henan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Henan Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Henan Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Henan Electric Power Co Ltd, Economic and Technological Research Institute of State Grid Henan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202121470542.7U priority Critical patent/CN215119278U/en
Application granted granted Critical
Publication of CN215119278U publication Critical patent/CN215119278U/en
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Abstract

The utility model relates to the technical field of cable joint boxes, in particular to a power cable joint box, which comprises a joint box main body, a wiring terminal and a damping mechanism, wherein the joint box main body comprises a first shell, a second shell and an L-shaped sealing groove, a sealing strip is fixed in the groove of the sealing groove, a first wing plate and a second wing plate are respectively fixed at the interface of the first shell and the second shell, the first wing plate and the second wing plate are inserted in the sealing groove, and the first wing plate and the second wing plate are in upper and lower bolting; the left end and the right end of the second shell are provided with threading holes and are fixed with waterproof joints, a clamping piece is fixed in the second shell, and the wiring terminal is clamped on the clamping piece; the damping mechanism is fixed below the second shell. The utility model discloses waterproof dustproof shock attenuation has played effectual guard action to cable joint, and this power cable joint box also convenient to detach installs and maintains.

Description

Power cable joint box
Technical Field
The utility model relates to a cable joint box technical field, concretely relates to power cable joint box.
Background
The cable is the main carrier of signal transmission, in use, from the safe production and convenient angle, mostly adopts buried cable or erects the cable, as the cable intermediate head of the important tie point of the whole power supply network, its stability will influence the operation quality of the power supply system directly. The existing joint box generally adopts an integral prefabricated rubber insulating part to recover the insulation of a cable, and adopts a copper shell or a glass fiber reinforced plastic protective shell to mechanically protect and seal the cable joint.
Chinese patent No. CN211320384U discloses a wire connector for mounting electric wires and cables, which comprises a pair of connection tubes, a second pair of connection tubes, an inner tube, an outer tube, a first joint box, a second joint box and a tensile assembly, wherein the inner tube and the outer tube are respectively fixed on the opposite ends of the first pair of connection tubes and the second pair of connection tubes, two groups of inserting grooves are oppositely arranged on the inner walls of the inner pipe and the first pair of connecting pipes, a first connector box is fixed between two groups of inserting plates in the two groups of inserting grooves on the inner walls of the first pair of connecting pipes and the inner pipe, the inner wall of one end, facing the first butt joint pipe, of the second butt joint pipe is also provided with a splicing groove, a second joint box is fixed between two groups of splicing plates in the two groups of splicing grooves in the inner wall of the second butt joint pipe, a butt joint component is arranged between the first joint box and the second joint box, and tensile components are arranged inside the outer ends, opposite to the first butt joint pipe and the second butt joint pipe. The utility model discloses a have rational in infrastructure, use advantages such as reliable, nevertheless rainwater weather influences the cable insulation and wets to trouble when causing cable transmission.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a power cable joint box, including the joint box main part, binding post and damper.
Furthermore, the joint box main body comprises a first shell, a second shell and an L-shaped sealing groove, a sealing strip is fixed in the groove of the sealing groove, a first wing plate and a second wing plate are respectively fixed at the interface of the first shell and the second shell, the first wing plate and the second wing plate are inserted in the sealing groove, and the first wing plate and the second wing plate are in upper and lower bolting; the left end and the right end of the second shell are provided with threading holes and are fixed with waterproof joints, a clamping piece is fixed in the second shell, and the wiring terminal is clamped on the clamping piece; the damping mechanism is fixed below the second shell.
Furthermore, the damping mechanism comprises a third shell and a plurality of spring pieces fixed on the third shell, and the spring pieces are vertically fixed on the lower surface of the second shell.
Further, the seal groove comprises a first bolt, a plurality of corresponding bolt holes are formed in the upper end and the lower end of the seal groove, a seal ring is sleeved on a screw rod of the first bolt, and the first bolt penetrates through the bolt holes in the seal groove and bolts the first wing plate and the second wing plate in the seal groove.
Furthermore, the clamping piece comprises a base, a fastening piece, a second bolt and a positioning ring, the fastening piece is fixed on the upper surface of the base, one end of the fastening piece is provided with a hinge shaft, the opening edge of the other end, opposite to the fastening piece, of the fastening piece is respectively fixed with an upper wing plate and a lower wing plate, the upper wing plate and the lower wing plate are bolted, and the spring is sleeved on a screw rod of the second bolt and located between the upper wing plate and the lower wing plate.
Further, the base is arranged at the center of the bottom in the second shell, the pair of positioning rings are symmetrical left and right by taking the fastening piece as an axis, and a plurality of heat dissipation holes are formed in the positioning rings.
The utility model discloses an actively beneficial effect:
the utility model has strong stability, the damping device is fixed below the joint box main body, the shaking of the internal components of the joint box body is reduced, and the loosening of the joint is relieved; the spring sleeved on the screw rod has the functions of adjusting the size of the fastener and damping.
The utility model discloses waterproof dustproof, first casing passes through the spread groove with second casing junction and seals, connects closely effectively waterproof, has ensured the tightness of structure, has played effectual guard action to cable joint, has guaranteed circuit safety.
The utility model discloses the practicality is strong, and the binding post clamping is in detachable fastener, and the fastener internal diameter is adjustable, can select two cores, three cores or other binding post of fitting the model according to the model of cable conductor, installs in the fastener, and also convenient to detach changes to ageing binding post.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the utility model after installation;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged partial view of section A;
fig. 5 is a schematic view of the structure of the clamping member.
In the figure: 1. a splice enclosure body; 11. a first housing; 12. a second housing; 121. a waterproof joint; 13. a sealing groove; 131. a sealing strip; 132. bolt holes; 14. a clamping member; 141. a base; 142. a fastener; 143. a positioning ring; 2. a wiring terminal; 3. a damping mechanism; 31. a third housing; 32. a spring member.
Detailed Description
The invention will be further described with reference to some specific embodiments.
The utility model provides a technical scheme, refer to fig. 1 to fig. 4, a power cable joint box, including joint box main part 1, binding post 2 and damper 3.
The joint box body 1 includes a first housing 11, a second housing 12, and an L-shaped seal groove 13, and a seal strip 131 is fixed in the groove of the seal groove 13. The kneck of first casing 11 and second casing 12 is fixed with first pterygoid lamina and second pterygoid lamina respectively, and first pterygoid lamina and second pterygoid lamina are pegged graft in seal groove 13, and seal groove 13 includes first bolt, and a plurality of bolt holes 132 that correspond have been seted up at the upper and lower both ends of seal groove 13, have cup jointed the sealing washer on the screw rod of first bolt, and first bolt passes bolt hole 132 on seal groove 13 and with first pterygoid lamina and the second pterygoid lamina bolt joint in the seal groove 13. The left end and the right end of the second shell 12 are provided with threading holes and are fixed with waterproof joints 121, the second shell is internally fixed with a clamping piece 14, and the wiring terminal 2 is clamped on the clamping piece 14. The connecting terminal 2 is the prior art, and a two-core, three-core or other connecting terminal 2 with suitable models can be selected according to requirements, and the description is not made here.
The damper mechanism 3 is fixed below the second housing 12. The damping mechanism 3 includes a third housing 31 and a plurality of spring members 32 fixed to the third housing 31, and the spring members 32 are perpendicularly fixed to the lower surface of the second housing 12. The arrangement of the damping mechanism can effectively reduce the shaking of the inner part of the joint box body and relieve the loosening of the joint.
The clamping member 14 includes a base 141, a fastener 142, a second bolt, and a positioning ring 143, the base 141 being disposed at the bottom center in the second housing 12. The fastening member 142 is fixed on the upper surface of the base 141, one end of the fastening member 142 is provided with a hinge shaft, the opening edge of the other end of the fastening member 142 opposite to the hinge shaft is respectively fixed with an upper wing plate and a lower wing plate, the upper wing plate and the lower wing plate are bolted, and the spring is sleeved on the screw of the second bolt and positioned between the upper wing plate and the lower wing plate. The pair of positioning rings 143 are symmetrical left and right about the fastening member 142, and the positioning rings 143 have a plurality of heat dissipation holes.
The utility model discloses a working process and principle: when the power cable joint box is used, the two cables firstly pass through the threading holes on the second shell 12, and then pass through the positioning rings 143 at the left end and the right end respectively. And selecting a required terminal 2 according to the core number of the cable, then placing the terminal 2 in the fastener 142, sequentially passing a second bolt through the upper wing plate, the spring and the lower wing plate, and locking a nut to fasten the terminal 2 in the fastener 142. Cover first casing 11, first pterygoid lamina and second pterygoid lamina are pegged graft in seal groove 13, and the first bolt that will cup joint the sealing washer passes bolt hole 132 on seal groove 13 and with first pterygoid lamina and the second pterygoid lamina bolt joint in the seal groove 13, has accomplished the joint work of two cables promptly, can effectually reach waterproof dustproof antidetonation effect.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (5)

1. The utility model provides a power cable joint box, includes splice box main part (1), binding post (2) and damper (3), its characterized in that: the joint box main body (1) comprises a first shell (11), a second shell (12) and an L-shaped sealing groove (13), a sealing strip (131) is fixed in the groove of the sealing groove (13), a first wing plate and a second wing plate are respectively fixed at the interface of the first shell (11) and the second shell (12), the first wing plate and the second wing plate are inserted into the sealing groove (13), and the first wing plate and the second wing plate are in upper and lower bolting; the left end and the right end of the second shell (12) are provided with threading holes and are fixed with waterproof joints (121), a clamping piece (14) is fixed in the second shell, and the wiring terminal (2) is clamped on the clamping piece (14); the damping mechanism (3) is fixed below the second shell (12).
2. A power cable closure according to claim 1, wherein: the damping mechanism (3) comprises a third shell (31) and a plurality of spring pieces (32) fixed on the third shell (31), and the spring pieces (32) are vertically fixed on the lower surface of the second shell (12).
3. A power cable closure according to claim 1, wherein: seal groove (13) including first bolt, a plurality of corresponding bolt holes (132) have been seted up at seal groove (13) upper and lower both ends, the sealing washer has been cup jointed on the screw rod of first bolt, first bolt passes bolt hole (132) on seal groove (13) and with first pterygoid lamina and second pterygoid lamina bolt joint in seal groove (13).
4. A power cable closure according to claim 1, wherein: the clamping piece (14) comprises a base (141), a fastening piece (142), a second bolt and a positioning ring (143), wherein the fastening piece (142) is fixed on the upper surface of the base (141), one end of the fastening piece (142) is provided with a hinge shaft, the opening edge of the other end, opposite to the fastening piece (142), of the fastening piece (142) is respectively fixed with an upper wing plate and a lower wing plate, the upper wing plate and the lower wing plate are in bolted connection, and a spring is sleeved on a screw rod of the second bolt and located between the upper wing plate and the lower wing plate.
5. A power cable closure according to claim 4, in which: the base (141) is arranged at the center of the bottom in the second shell (12), the pair of positioning rings (143) are symmetrical left and right by taking the fastening piece (142) as an axis, and a plurality of heat dissipation holes are formed in the positioning rings (143).
CN202121470542.7U 2021-06-30 2021-06-30 Power cable joint box Active CN215119278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121470542.7U CN215119278U (en) 2021-06-30 2021-06-30 Power cable joint box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121470542.7U CN215119278U (en) 2021-06-30 2021-06-30 Power cable joint box

Publications (1)

Publication Number Publication Date
CN215119278U true CN215119278U (en) 2021-12-10

Family

ID=79312550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121470542.7U Active CN215119278U (en) 2021-06-30 2021-06-30 Power cable joint box

Country Status (1)

Country Link
CN (1) CN215119278U (en)

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