CN209948653U - Protective housing of insulated cable intermediate head - Google Patents
Protective housing of insulated cable intermediate head Download PDFInfo
- Publication number
- CN209948653U CN209948653U CN201921265146.3U CN201921265146U CN209948653U CN 209948653 U CN209948653 U CN 209948653U CN 201921265146 U CN201921265146 U CN 201921265146U CN 209948653 U CN209948653 U CN 209948653U
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- CN
- China
- Prior art keywords
- insulating layer
- pipe
- wall
- glue filling
- insulated cable
- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- 239000003292 glue Substances 0.000 claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a protective housing of an insulated cable intermediate joint, which relates to the technical field of cable intermediate joints, and comprises a copper protective housing and a grounding rod, wherein the outer wall of one of the third pipes is provided with a thread groove, the outer wall of the first pipe is sleeved with a first insulating layer, the outer wall of the second pipe and the outer wall of the third pipe are sleeved with a second insulating layer, the part of the second insulating layer corresponding to the second pipe is funnel-shaped, and the first insulating layer is connected with the second insulating layer; the second insulating layer is provided with a jack at the position corresponding to the thread groove; one end of the grounding rod is provided with an external thread matched with the thread groove, and the end where the external thread of the grounding rod is located penetrates through the jack and is connected with the thread groove; one end of the grounding rod protruding out of the outer wall of the second insulating layer is sleeved with a third insulating layer, and the third insulating layer is connected with the second insulating layer; the first pipe and the first insulating layer are provided with matched glue filling devices; the utility model has the advantages of convenient use, convenient installation and rotation, difficult damage of the insulating layer, etc.
Description
Technical Field
The utility model relates to a cable intermediate head's technical field, in particular to insulated cable intermediate head's protective housing.
Background
At present, high voltage power cable need use the intermediate head when connecting, links together two sections cable through the intermediate head, later installs the copper protective housing outside the fiber container joint again to protection intermediate head and cable, at present, the intermediate head copper protective housing is mostly the combination formula, and it divide into two parts, overlaps respectively before the intermediate head outside two sections treat to connect the cable, passes through flange joint with two parts copper protective housing again after the intermediate head installation is accomplished, and this type of copper shell has a lot of problems.
Patent application number CN201820592897.5 discloses a high-voltage cable through intermediate joint copper protective shell, wherein the intermediate joint is protected by an integrated copper protective shell, a waterproof insulating layer is arranged on the outer wall of the copper protective shell to improve waterproof insulating property, and flame-retardant glue is injected into the same protective shell through a glue filling port; set up in the waterproof insulation layer of copper protective housing outer wall again with the in-process difficulty very of protective housing suit in this patent, the main reason is thick in the middle of the copper protective housing both ends is thin, leads to the both ends of insulating layer to hardly pass through thick part in the middle of the copper protective housing to the installation of insulating layer is also not convenient for in the existence of solid bar copper.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a protective housing of insulated cable intermediate head is provided for insulating layer and the very inconvenient problem of installation with the protective housing in the patent of description in the solution background art.
In order to achieve the above object, the present invention provides the following technical solutions: a protective shell of an intermediate joint of an insulated cable comprises a copper protective shell and a grounding rod, wherein the copper protective shell comprises a first pipe, a second pipe arranged at two ends of the first pipe and a third pipe arranged on the second pipe and far away from one end of the first pipe, the diameter of the first pipe is larger than that of the third pipe, and the second pipe is funnel-shaped; the outer wall of one of the third tubes is provided with a thread groove, the outer wall of the first tube is sleeved with a first insulating layer, the outer walls of the second tube and the third tube are sleeved with second insulating layers, the part of each second insulating layer corresponding to the corresponding second tube is funnel-shaped, and the first insulating layer is connected with the corresponding second insulating layer; the position of the second insulating layer corresponding to the thread groove is provided with an inserting hole; an external thread matched with the thread groove is arranged at one end of the grounding rod, and the end, where the external thread is located, of the grounding rod penetrates through the jack and is connected with the thread groove; a third insulating layer is sleeved at one end of the grounding rod protruding out of the outer wall of the second insulating layer, and the third insulating layer is connected with the second insulating layer; and the first pipe and the first insulating layer are provided with matched glue filling devices.
Preferably: the glue pouring device comprises a plurality of first glue pouring openings arranged on the first pipe, a plurality of second glue pouring openings arranged on the first insulating layer and a sealing cover arranged on the outer wall of the first insulating layer; the first glue filling port corresponds to the second glue filling port in position; and the sealing cover is provided with a plug which is used for being inserted into the first glue filling port and the second glue filling port.
Preferably: the sealing cover and the plug are made of insulating materials.
Preferably: the two ends of the first insulating layer are respectively provided with a first connecting portion, one end, close to the first insulating layer, of the second insulating layer is provided with a second connecting portion, and the first connecting portion and the second connecting portion are adhered through insulating glue.
Preferably: the first insulating layer and the first connecting portion are manufactured integrally.
Preferably: the second insulating layer and the second connecting portion are manufactured integrally.
Preferably: and a third connecting part is arranged at one end, close to the second insulating layer, of the third insulating layer, and the third connecting part is adhered to the outer wall of the second insulating layer through insulating glue.
Preferably: the third insulating layer and the third connecting portion are integrally manufactured.
The beneficial effect of adopting above technical scheme is:
according to the copper protective shell, the insulating layer outside the copper protective shell is divided into the first insulating layer, the second insulating layer and the third insulating layer, so that the insulating layer is not easy to damage due to expansion when the insulating layer is sleeved on the outer wall of the copper protective shell; the grounding rod is detachably connected with the copper protective shell, so that the insulating layer is conveniently installed;
drawings
Fig. 1 is the structure schematic diagram of the utility model discloses an insulating cable intermediate head's protective housing during assembly.
Wherein: the copper protection shell 10, the first pipe 11, the second pipe 12, the third pipe 13, the first glue filling opening 14, the thread groove 15, the first insulation layer 20, the first connection portion 21, the second glue filling opening 22, the sealing cover 23, the plug 24, the second insulation layer 30, the second connection portion 31, the jack 32, the ground rod 40, the external thread 41, the third insulation layer 50 and the third connection portion 51.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment, as shown in fig. 1, in this embodiment, a protective casing of an intermediate joint of an insulated cable includes a copper protective casing 10 and a ground rod 40, where the copper protective casing 10 is composed of a first tube 11, a second tube 12 disposed at two ends of the first tube 11, and a third tube 13 disposed on the second tube 12 at an end far from the first tube 11, the diameter of the first tube 11 is larger than that of the third tube 13, and the second tube 12 is funnel-shaped; the outer wall of one of the third tubes 13 is provided with a thread groove 15, the outer wall of the first tube 11 is sleeved with a first insulating layer 20, the outer walls of the second tube 12 and the third tube 13 are sleeved with a second insulating layer 30, the part of the second insulating layer 30 corresponding to the second tube 12 is funnel-shaped, and the first insulating layer 20 is connected with the second insulating layer 30; the second insulation layer 30 is provided with an insertion hole 32 corresponding to the position of the thread groove 15; an external thread 41 matched with the thread groove 15 is arranged at one end of the grounding rod 40, and the end where the external thread 41 of the grounding rod 40 is located penetrates through the jack 32 and is connected with the thread groove 15; a third insulating layer 50 is sleeved at one end of the ground rod 40 protruding out of the outer wall of the second insulating layer 30, and the third insulating layer 50 is connected with the second insulating layer 30; and the first pipe 11 and the first insulating layer 20 are provided with matched glue filling devices.
Preferably: the glue filling device comprises a plurality of first glue filling ports 14 arranged on the first pipe 11, a plurality of second glue filling ports 22 arranged on the first insulating layer 20, and a sealing cover arranged on the outer wall of the first insulating layer 20; the first glue filling port 14 corresponds to the second glue filling port 22 in position; the sealing cover 23 is provided with a plug 24 for inserting into the first glue filling opening 14 and the second glue filling opening 22.
Preferably: the cover 23 and the plug 24 are made of an insulating material.
Preferably: the two ends of the first insulating layer 20 are respectively provided with a first connecting portion 21, one end of the second insulating layer 30 close to the first insulating layer 20 is provided with a second connecting portion 31, and the first connecting portion 21 and the second connecting portion 31 are adhered through insulating glue.
Preferably: the first insulating layer 20 and the first connecting portion 21 are integrally manufactured.
Preferably: the second insulating layer 30 and the second connecting portion 31 are integrally manufactured.
Preferably: one end of the third insulating layer 50 close to the second insulating layer 30 is provided with a third connecting portion 51, and the third connecting portion 51 is adhered to the outer wall of the second insulating layer 30 through an insulating adhesive.
Preferably: the third insulating layer 50 and the third connecting portion 51 are integrally manufactured.
The specific implementation manner of this embodiment:
in the sleeving process, the first insulating layer 20 is sleeved on the outer wall of the first pipe 11, and then the sealing cover 23 is pressed, so that the plug 24 enters the first glue filling opening 14 and the second glue filling opening 22, and the position of the first insulating layer 20 is fixed;
then, sleeving a second insulating layer 30 on the outer walls of the second pipe 12 and the third pipe 13 at the two ends of the first pipe 11, then, corresponding the position of the jack 32 to the position of the thread groove 15, and connecting one end of the external thread 41 of the grounding rod 40 with the thread groove 15 through the jack 32 in a threaded manner, so that the position of the second insulating layer 30 is fixed;
then the first connection part 21 of the first insulation layer 20 is adhered to the second connection part 31 of the second insulation layer 30 through insulation paste;
then, the third insulating layer 50 is sleeved on the outer wall of the ground rod 40, and the third connecting part 51 of the third insulating layer 40 is adhered to the outer wall of the second insulating layer 30 through insulating glue;
the cover 23 is then opened to allow the plug 24 to leave the second glue filling opening 22 and the first glue filling opening 14, glue filling is then performed, and after the glue filling is completed, the plug 24 is inserted into the second glue filling opening 22 and the first glue filling opening 14 again.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (8)
1. A protective shell of an intermediate joint of an insulated cable comprises a copper protective shell and a grounding rod, wherein the copper protective shell comprises a first pipe, a second pipe arranged at two ends of the first pipe and a third pipe arranged on the second pipe and far away from one end of the first pipe, the diameter of the first pipe is larger than that of the third pipe, and the second pipe is funnel-shaped; the method is characterized in that: the outer wall of one of the third tubes is provided with a thread groove, the outer wall of the first tube is sleeved with a first insulating layer, the outer walls of the second tube and the third tube are sleeved with second insulating layers, the part of each second insulating layer corresponding to the corresponding second tube is funnel-shaped, and the first insulating layer is connected with the corresponding second insulating layer; the position of the second insulating layer corresponding to the thread groove is provided with an inserting hole; an external thread matched with the thread groove is arranged at one end of the grounding rod, and the end, where the external thread is located, of the grounding rod penetrates through the jack and is connected with the thread groove; a third insulating layer is sleeved at one end of the grounding rod protruding out of the outer wall of the second insulating layer, and the third insulating layer is connected with the second insulating layer; and the first pipe and the first insulating layer are provided with matched glue filling devices.
2. The protective shell of an intermediate joint of an insulated cable according to claim 1, wherein the glue filling device comprises a plurality of first glue filling ports arranged on the first pipe, a plurality of second glue filling ports arranged on the first insulating layer, and a sealing cover arranged on the outer wall of the first insulating layer; the first glue filling port corresponds to the second glue filling port in position; and the sealing cover is provided with a plug which is used for being inserted into the first glue filling port and the second glue filling port.
3. The protective case of an insulated cable intermediate joint of claim 2, wherein the cap and plug are made of an insulating material.
4. The protective shell of an insulated cable intermediate joint according to claim 3, wherein a first connecting portion is respectively arranged at two ends of the first insulating layer, a second connecting portion is arranged at one end of the second insulating layer close to the first insulating layer, and the first connecting portion and the second connecting portion are adhered through insulating glue.
5. The protective case of an insulated cable intermediate joint according to claim 4, wherein the first insulating layer is integrally manufactured with the first connecting portion.
6. The protective case of an insulated cable intermediate joint according to claim 5, wherein the second insulating layer is integrally manufactured with the second connecting portion.
7. The protective shell of an insulated cable intermediate joint according to any one of claims 1 to 6, wherein a third connecting part is arranged at one end of the third insulating layer close to the second insulating layer, and the third connecting part is adhered to the outer wall of the second insulating layer through insulating glue.
8. The protective case of an insulated cable intermediate joint according to claim 7, wherein the third insulating layer and the third connecting portion are integrally manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265146.3U CN209948653U (en) | 2019-08-06 | 2019-08-06 | Protective housing of insulated cable intermediate head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265146.3U CN209948653U (en) | 2019-08-06 | 2019-08-06 | Protective housing of insulated cable intermediate head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948653U true CN209948653U (en) | 2020-01-14 |
Family
ID=69120493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921265146.3U Expired - Fee Related CN209948653U (en) | 2019-08-06 | 2019-08-06 | Protective housing of insulated cable intermediate head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948653U (en) |
-
2019
- 2019-08-06 CN CN201921265146.3U patent/CN209948653U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |