CN210182720U - Electrified quick-plugging device for cable elbow head - Google Patents
Electrified quick-plugging device for cable elbow head Download PDFInfo
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- CN210182720U CN210182720U CN201920912143.8U CN201920912143U CN210182720U CN 210182720 U CN210182720 U CN 210182720U CN 201920912143 U CN201920912143 U CN 201920912143U CN 210182720 U CN210182720 U CN 210182720U
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Abstract
The utility model discloses a fast cartridge of cable elbow area electricity is put is applied to the switch box and is waited to connect between the cable to switch on the power cord on the switch box with waiting to connect the cable, live fast cartridge put and include: the bushing is arranged on the switch box and comprises a conductive rod and a first insulating sleeve, the conductive rod is electrically connected with a power line of the switch box, the first insulating sleeve wraps the outer surface of the conductive rod, and the top end of the conductive rod is provided with a plugging hole; the plug comprises a plugging rod and a second insulating sleeve, the second insulating sleeve is wrapped on the outer surface of the plugging rod, the tail end of the plugging rod is in compression joint with a cable to be connected, the head end of the plugging rod is provided with a plugging part matched with the plugging hole, and a containing hole is formed between the plugging part and the second insulating sleeve; when the plugging part is inserted into the plugging hole, the accommodating hole is sleeved on the outer surface of the first insulating sleeve in a matching manner. The utility model discloses can realize waiting to connect the quick grafting of cable and switch box, can realize live working again, be unlikely to have a power failure and influence the power consumption demand.
Description
Technical Field
The utility model relates to a fast cartridge of cable elbow area electricity is put belongs to 10kV switch box cable elbow head technical field.
Background
The existing distribution network 10kV switch box and butt-joint box are designed into bolt type outlet pile heads, when a cable to be connected is connected to a power line on the switch box or the butt-joint box, the cable to be connected is usually connected to an elbow type cable head in a pressing mode, and then the elbow type cable head is connected to the outlet pile head through a bolt. The applicant finds in practical application that the above structure has at least the following problems: 1. the power supply is usually turned off first, and then the wiring operation can be carried out, however, the power failure may cause adverse effects on partial equipment or users; 2. the installation is loaded down with trivial details technology, and the wiring is efficient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a cable elbow head is electrified to be inserted soon and is put, can realize live working in order to treat that the cable that connects is pegged graft to the power cord of switch box fast to overcome prior art's not enough.
The technical scheme of the utility model is that: an electrified fast-plug device of cable elbow area, electrified fast-plug device is applied to between switch box and the cable of awaiting receiving to switch on the power cord on the switch box and the cable of awaiting receiving, electrified fast-plug device includes:
the bushing is arranged on the switch box and comprises a conductive rod and a first insulating sleeve, the conductive rod is electrically connected with a power line of the switch box, the first insulating sleeve wraps the outer surface of the conductive rod, and the top end of the conductive rod is provided with a plugging hole;
the plug comprises a plug rod and a second insulating sleeve, the second insulating sleeve wraps the outer surface of the plug rod, the tail end of the plug rod is in compression joint with a cable to be connected, the head end of the plug rod is provided with a plug part matched with the plug hole, and a containing hole is formed between the plug part and the second insulating sleeve;
when the plugging portion is inserted into the plugging hole, the accommodating hole is sleeved on the outer surface of the first insulating sleeve in a matched mode.
The accommodating hole, the fixing hole and the cable hole are sequentially formed in the second insulating sleeve from the plugging side to the crimping side, and the hole diameter of the fixing hole is larger than that of the cable hole;
the plug further comprises a third insulating inner sleeve and a third insulating outer sleeve, the third insulating inner sleeve is located in the fixing hole, the inner surface of the third insulating inner sleeve is clamped with the plug pull rod, the outer surface of the third insulating inner sleeve is in contact with the inner surface of the second insulating sleeve, and the third insulating outer sleeve is sleeved on the outer surface of the second insulating sleeve.
The top end of the conducting rod is contracted in the first insulating sleeve, a plugging opening is formed in the first insulating sleeve corresponding to the top end of the conducting rod, and the head end of the plugging portion is contracted in the second insulating sleeve.
The plug and pull rod is also provided with a crimping part, the crimping part is positioned at the tail end of the plug and pull rod and is provided with a crimping hole matched with a cable to be connected.
The plug-pull rod is further provided with a clamping portion, the clamping portion is located in the middle of the plug-pull rod, and the clamping portion is connected with the third insulating inner sleeve in a clamped mode.
The clamping portion is provided with a limiting clamping groove, the inner surface of the third insulating inner sleeve is provided with a limiting clamping block correspondingly, and the limiting clamping block is clamped into the limiting clamping groove to realize clamping.
The plug hole is internally provided with a spring sleeve, and when the plug part is inserted into the plug hole, the spring sleeve is stressed to stretch and wrap the plug part.
The outer surface of the head end of the second insulating sleeve is provided with an insulating umbrella skirt which is a corrugated section along the plugging direction, and the head end of the third insulating outer sleeve is clamped on the outer surface of the second insulating sleeve above the insulating umbrella skirt.
The surface of the third insulating outer sleeve is provided with a clamping table, the switch box is provided with a locking clamp, and after the plugging part is inserted into the plugging hole, the plug is fixed on the sleeve through the matching of the locking clamp and the clamping table.
The lock card includes:
the base is arranged on the surface of the switch box;
a handle link having a handle end and a hinged end, the hinged end being hinged to the base;
the clamping and connecting rod is provided with a clamping part and a rotating part, the rotating part is hinged with the base, and the clamping and connecting rod and the handle connecting rod are staggered to form an X shape;
the two ends of the connecting rod are respectively hinged with the middle part of the clamping rod and the middle part of the handle connecting rod;
by rotating the handle end forwards or backwards, the connecting rod drives the clamping part to be upwards away from the clamping table or to be downwards abutted against the clamping table.
The utility model has the advantages that: the utility model discloses a design sleeve pipe and the plug that corresponds with it on the switch box, the sleeve pipe comprises conducting rod and first insulation cover, design plug hole on the conducting rod, the plug comprises plug pole and the insulating cover of second, when needs are pegged graft, with the plug pole insert fast in the plug hole can, this process can realize waiting to connect the quick grafting of cable and switch box, because the protection of first insulation cover and the insulating cover of second, can realize live working again, be unlikely to have a power failure and influence the power consumption demand.
The utility model discloses the specially adapted 10kV switch box cable is inserted soon, can improve cable head preparation installation effectiveness, solves live working and develops the blank technological problem of cable head overlap joint.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the plug;
FIG. 3 is a schematic structural view of a second insulating sleeve;
FIG. 4 is a schematic view of the insertion and extraction rod;
FIG. 5 is a schematic view of a third insulating jacket;
FIG. 6 is a schematic structural view of a third insulating inner sleeve;
FIG. 7 is a schematic structural view of a bushing;
FIG. 8 is a schematic view of the structure of the locking clip;
description of reference numerals:
100 cables to be connected, 200 electrified quick plug-in devices and 300 switch boxes;
210 plugs, 220 sleeves, 230 latches;
211 a second insulating sleeve, 212 a plug rod, 213 a third insulating inner sleeve and 214 a third insulating outer sleeve;
2111 cable holes, 2112 fixing holes, 2113 accommodating holes, 2114 insulating umbrella skirts, 2121 crimping parts, 2111 clamping parts, 2123 plugging parts, 2124 limiting clamping grooves, 2125 crimping holes, 2126 conical parts, 2131 limiting clamping blocks and 2141 clamping platforms;
221 a first insulating sleeve, 222 a conductive rod, 223 a spring sleeve, 224 a plug hole and 225 a plug opening;
231 base, 232 handle link, 233 snap link, 234 link;
2321 at the hinged end, 2322 at the handle end, 2331 at the gripping portion, 2332 at the rotating portion.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
referring to fig. 1, according to the present invention, the cable elbow strap has an electric quick plug device 200 applied between the switch box 300 and the cable 100 to be connected, so as to connect the power line on the switch box 300 and the cable 100 to be connected, i.e. connect the power line on the switch box 300 and the cable 100 to be connected. The switch box 300 is a power switch box 300, for example, a distribution network 10kV switch box 300.
Referring to fig. 2 to 7, the hot plug device 200 includes a sleeve 220 and a plug 210.
The bushing 220 is fixedly disposed on the switch box 300, and includes a conductive rod 222 and a first insulating sleeve 221, wherein the conductive rod 222 is electrically connected to a power line of the switch box 300, and the first insulating sleeve 221 is wrapped on an outer surface of the conductive rod 222 to prevent the conductive rod 222 from being directly exposed to the outside, so as to effectively prevent the conductive rod 222 from leaking electricity. The conductive rod 222 has a plug hole 224 formed at its tip end and extending from its tip end surface in the axial direction and toward the switch case 300.
The plug 210 comprises a plug rod 212 and a second insulating sleeve 211, wherein the second insulating sleeve 211 is wrapped on the outer surface of the plug rod 212 to prevent the plug rod 212 from being directly exposed outside, so that electric leakage of the plug rod can be effectively avoided. The tail end of the plugging rod 212 is pressed against the cable 100 to be connected, the head end of the plugging rod 212 has a plugging portion 2123 matched with the plugging hole 224, a receiving hole 2113 is formed between the plugging portion 2123 and the second insulating sleeve 211, and when the plugging portion 2123 is inserted into the plugging hole 224, the receiving hole 2113 is matched and sleeved on the outer surface of the first insulating sleeve 221. Preferably, the end of the insertion part 2123 is rounded to facilitate insertion into the insertion hole 224 of the switch box 300.
The insertion and extraction rod 212 is made of conductive material, such as copper, iron, etc.; the first insulating sleeve 221 and the second insulating sleeve 211 are made of an insulating material, such as epoxy, but may be made of any other known insulating material in other embodiments.
Because the conducting rod 222 is wrapped by the first insulating sleeve 221, and the plugging rod 212 is wrapped by the second insulating sleeve 211, when the plugging rod 212 is inserted into the plugging hole 224, an operator cannot contact the conducting rod 222 and the plugging rod 212, so that live-line operation can be realized, and the influence of power failure on user operation is avoided.
Preferably, the second insulating sleeve 211 is provided with a receiving hole 2113, a fixing hole 2112 and a cable hole 2111 in sequence from the plug side to the compression side, wherein the receiving hole 2113 is as described above, the receiving hole 2113, the fixing hole 2112 and the cable hole 2111 are communicated in sequence, the fixing hole 2112 is used for fixing the plug rod 212, the cable hole 2111 is used for installing the cable 100 to be connected, the hole diameter of the fixing hole 2112 is larger than that of the cable hole 2111, the hole diameter of the receiving hole 2113 is larger than that of the fixing hole 2112, and the structure is convenient for installing the plug rod 212 from one side.
The plug 210 further comprises a third insulating inner sleeve 213 and a third insulating outer sleeve 214, the third insulating inner sleeve 213 is located in the fixing hole 2112, the inner surface of the third insulating inner sleeve 213 is clamped with the plugging rod 212, the outer surface of the third insulating inner sleeve 213 is in contact with the inner surface of the second insulating sleeve 211, and the third insulating outer sleeve 214 is sleeved on the outer surface of the second insulating sleeve 211. The third insulating inner jacket 213 and the third insulating outer jacket 214 are both made of an insulating material, and the third insulating outer jacket 214 is preferably made of a touch-sensitive insulating material.
Specifically, the plugging rod 212 includes a press-connection portion 2121, a clamping portion 2122, and the aforementioned plugging portion 2123, wherein the plugging portion 2123 is located at the head end of the plugging rod 212, the clamping portion 2122 is located at the middle portion of the plugging rod 212, and the press-connection portion 2121 is located at the tail end of the plugging rod 212. The end surface of the crimping part 2121 has a crimping hole 2125 adapted to the cable 100 to be connected, and the cable 100 to be connected is electrically connected to the crimping hole 2125 by pressing and inserting the same into the crimping hole 2125, which is a conventional technique in the art and will not be described herein again. The clamping portion 2122 is provided with a limiting clamping groove 2124, the corresponding inner surface of the third inner insulating sleeve 213 is provided with a limiting clamping block 2131, the limiting clamping block 2131 is clamped in the limiting clamping groove 2124 to realize clamping, for example, an annular groove is formed in the clamping portion 2122 to form the limiting clamping groove 2124, and an annular protrusion is formed in the inner surface of the third inner insulating sleeve 213 to form the limiting clamping block 2131.
In order to facilitate the locking of the locking clip 2131 into the locking clip 2124, a tapered portion 2126 is provided on the plugging rod 212 near the locking clip 2124, a small end of the tapered portion extends towards the sleeve 220 to form a plugging portion 2123, and a large end of the tapered portion extends towards the cable side to form a locking portion 2121, so that the plugging rod 212 can be locked into the third inner insulating sleeve 213 from the cable side, thereby achieving the locking of the two. When the plugging rod 212 is inserted into the plugging hole 224, the plugging rod 212 is forced upwards, and due to the limitation of the fixing hole 2112, the plugging rod 212 cannot move upwards, so that the plugging rod 212 can be effectively inserted into the plugging hole 224, and the two are tightly connected.
Preferably, the top end of the conductive rod 222 is retracted into the first insulating sleeve 221, the first insulating sleeve 221 has a plugging opening 225 corresponding to the top end of the conductive rod 222, and the head end of the plugging rod 212, i.e., the plugging portion 2123, is retracted into the second insulating sleeve 211, so that an operator hardly contacts the conductive rod 222 and the plugging rod 212 during plugging, the operation safety can be further improved, and the personal safety of the operator is guaranteed.
After long-term multiple plugging, a gap may exist between the plugging rod 212 and the plugging hole 224, and further the electrical conductivity is affected, for this reason, the spring sleeve 223 is disposed in the plugging hole 224, so that when the plugging portion 2123 is plugged into the plugging hole 224, the spring sleeve 223 is stressed to stretch and wrap the plugging portion 2123, and reliable electrical connection between the two portions can be achieved. For example, an annular mounting hole is formed in the insertion hole 224, and the annular spring housing 223 is mounted in the mounting hole such that the inner wall of the spring housing 223 protrudes inward from the inner wall of the insertion hole 224.
An insulating shed 2114 with a corrugated section is arranged on the outer surface of the head end of the second insulating sleeve 211 along the plugging direction, and the head end (corresponding to the plugging part 2123) of the third insulating sleeve 214 is clamped on the outer surface of the second insulating sleeve 211 above the insulating shed 2114. For example, the outer diameter of the insulating shed 2114 is set larger than the inner diameter of the third insulating jacket 214, such that the third insulating jacket 214 is restrained from moving downward relative to the insulating shed 2114. The purpose of the ripple section is to increase the plug creepage distance of the second insulating sleeve 211 close to the surface of the switch box, and to avoid the accumulation of ash layers and the like on the surface to form loop discharge.
Referring to fig. 5 and 8, in order to effectively fix the plug 210 to the sleeve 220, a locking ledge 2141 is disposed on the surface of the third insulating housing 214, a locking clip 230 is disposed on the switch box 300, and after the inserting and extracting portion 2123 is inserted into the inserting and extracting hole 224, the plug 210 is fixed to the sleeve 220 by the locking clip 230 cooperating with the locking ledge 2141. The number of the locking stops 2141 and the locking catches 230 may be arranged as required, and generally the locking stops 2141 are uniformly distributed on the circumferential surface of the third insulating housing 214, and the locking catches 230 are correspondingly disposed on the surface of the switch box 300.
The base 231 is disposed on the surface of the switch box 300, and may be welded to the switch box 300, or may be connected to the switch box 300 by bolts or the like.
The handle link 232 has a handle end 2322 and a hinged end 2321, and the hinged end 2321 is hinged to the base 231, i.e. the handle link 232 can rotate relative to the base 231.
The clamping rod 233 has a clamping portion 2331 and a rotating portion 2332, the rotating portion 2332 is hinged to the base 231, i.e. the clamping rod 233 can rotate relative to the base 231, and the clamping rod 233 and the handle link 232 are staggered to form an X-shape, but they are not connected at the staggered point.
The connecting rod 234 has two ends hinged to the middle of the clamping rod 233 and the handle link 232, respectively, and the connecting rod 234 is located above the crossing point and located on two sides of the crossing point with the base 231, respectively.
The locking clip 230 has a function of fast clamping due to the dead point principle of the mechanical four-bar linkage mechanism, after the inserting/extracting portion 2123 is inserted into the inserting/extracting hole 224, the connecting rod 234 drives the clamping portion 2331 to move upward away from the clamping platform 2141 or to abut against the clamping platform 2141 downward by rotating the handle end 2322 forward or backward, so that the function of fast fixing the plug 210 and the sleeve 220 can be realized.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. An electrified fast cartridge of cable elbow area is put, electrified fast cartridge is put (200) and is applied to between switch box (300) and the cable (100) of waiting to connect to switch on the power cord on switch box (300) and wait to connect cable (100) and switch on, its characterized in that, electrified fast cartridge includes (200):
the bushing (220) is arranged on the switch box (300) and comprises a conductive rod (222) and a first insulating sleeve (221), the conductive rod (222) is electrically connected with a power line of the switch box (300), the first insulating sleeve (221) wraps the outer surface of the conductive rod (222), and the top end of the conductive rod (222) is provided with a plugging hole (224);
the plug (210) comprises a plug rod (212) and a second insulating sleeve (211), the second insulating sleeve (211) is wrapped on the outer surface of the plug rod (212), the tail end of the plug rod (212) is in pressure connection with the cable (100) to be connected, the head end of the plug rod (212) is provided with a plug part (2123) matched with the plug hole (224), and a containing hole (2113) is formed between the plug part (2123) and the second insulating sleeve (211);
when the inserting and pulling part (2123) is inserted into the inserting and pulling hole (224), the accommodating hole (2113) is matched and sleeved on the outer surface of the first insulating sleeve (221).
2. The cable elbow hot-line quick-plug device according to claim 1, wherein the accommodating hole (2113), the fixing hole (2112) and the cable hole (2111) are sequentially arranged in the second insulating sleeve (211) from the plug side to the crimping side, and the aperture of the fixing hole (2112) is larger than that of the cable hole (2111);
plug (210) still includes third insulating endotheca (213) and third insulating overcoat (214), third insulating endotheca (213) are located in fixed orifices (2112), the internal surface of third insulating endotheca (213) with plug-in pull rod (212) joint, the surface of third insulating endotheca (213) with the internal surface contact of second insulating cover (211), third insulating overcoat (214) cup joint the surface of second insulating cover (211).
3. The cable elbow connector electric quick-plug device according to claim 2, wherein the top end of the conductive rod (222) is retracted into the first insulating sleeve (221), the top end of the first insulating sleeve (221) corresponding to the conductive rod (222) is provided with a plug opening (225), and the head end of the plug portion (2123) is retracted into the second insulating sleeve (211).
4. A cable elbow hot-line quick-insertion device according to any one of claims 1 to 3, wherein the insertion and extraction rod (212) further comprises a crimping portion (2121), the crimping portion (2121) is located at the tail end of the insertion and extraction rod (212) and is provided with a crimping hole (2125) adapted to the cable (100) to be connected.
5. The cable elbow harness electrical quick-plug device according to claim 2 or 3, wherein the plug rod (212) further comprises a clamping portion (2122), the clamping portion (2122) is located at the middle portion of the plug rod (212), and the clamping portion (2122) is clamped with the third insulating inner sleeve (213).
6. The live quick plug-in device for the cable elbow head according to claim 5, wherein the clamping portion (2122) is provided with a limiting clamping groove (2124), the corresponding inner surface of the third inner insulating sleeve (213) is provided with a limiting clamping block (2131), and the limiting clamping block (2131) is clamped into the limiting clamping groove (2124) to realize clamping.
7. The cable elbow hot-line quick-plug device according to any one of claims 1 to 3, wherein a spring sleeve (223) is disposed in the plug hole (224), and when the plug portion (2123) is inserted into the plug hole (224), the spring sleeve (223) is forced to expand and wrap the plug portion (2123).
8. The cable elbow harness electrical quick-plug device according to claim 2, wherein an insulating shed (2114) having a corrugated section is provided on an outer surface of a head end of the second insulating sleeve (211) along a plug-in direction, and the head end of the third insulating sheath (214) is engaged with an outer surface of the second insulating sleeve (211) above the insulating shed (2114).
9. The cable elbow hot-plug apparatus according to claim 8, wherein a locking block (2141) is provided on a surface of the third insulating housing (214), a locking clip (230) is provided on the switch box (300), and after the inserting/extracting portion (2123) is inserted into the inserting/extracting hole (224), the plug (210) is fixed to the sleeve (220) by the locking clip (230) cooperating with the locking block (2141).
10. The cable elbow hot-line quick-insertion device according to claim 9, wherein the locking clip (230) comprises:
a base (231) arranged on the surface of the switch box (300);
a handle link (232) having a handle end (2322) and a hinged end (2321), the hinged end (2321) hinged to the base (231);
the clamping rod (233) is provided with a clamping part (2331) and a rotating part (2332), the rotating part (2332) is hinged to the base (231), and the clamping rod (233) and the handle connecting rod (232) are staggered to form an X shape;
a connecting rod (234) with two ends respectively hinged with the middle part of the clamping rod (233) and the middle part of the handle connecting rod (232);
by rotating the handle end (2322) forwards or backwards, the connecting rod (234) drives the clamping part (2331) to move upwards away from the clamping table (2141) or to abut against the clamping table (2141) downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920912143.8U CN210182720U (en) | 2019-06-18 | 2019-06-18 | Electrified quick-plugging device for cable elbow head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920912143.8U CN210182720U (en) | 2019-06-18 | 2019-06-18 | Electrified quick-plugging device for cable elbow head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210182720U true CN210182720U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920912143.8U Active CN210182720U (en) | 2019-06-18 | 2019-06-18 | Electrified quick-plugging device for cable elbow head |
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| Country | Link |
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| CN (1) | CN210182720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289527A (en) * | 2019-06-18 | 2019-09-27 | 贵州电网有限责任公司 | A kind of cable elbow headband electric plug device and method fastly |
-
2019
- 2019-06-18 CN CN201920912143.8U patent/CN210182720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289527A (en) * | 2019-06-18 | 2019-09-27 | 贵州电网有限责任公司 | A kind of cable elbow headband electric plug device and method fastly |
| CN110289527B (en) * | 2019-06-18 | 2024-04-19 | 贵州电网有限责任公司 | Quick power-on plug device and method for cable elbow belt |
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