CN210073350U - Fire-resistant pre-branch cable connector with multi-core mineral insulation metal sheath - Google Patents
Fire-resistant pre-branch cable connector with multi-core mineral insulation metal sheath Download PDFInfo
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- CN210073350U CN210073350U CN201921136538.XU CN201921136538U CN210073350U CN 210073350 U CN210073350 U CN 210073350U CN 201921136538 U CN201921136538 U CN 201921136538U CN 210073350 U CN210073350 U CN 210073350U
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Abstract
The utility model discloses a fire-resistant branch cable connector in advance of multicore mineral insulation metal sheath, including metal sleeve, metal sleeve's inside has cup jointed heat shrinkage bush, thread metal sheath and branch metal sheath have been cup jointed to heat shrinkage bush's inside, thread metal sheath's inside has cup jointed the thread sheath, many thread insulation cover have been cup jointed to the inside of thread sheath, thread conductor core has been cup jointed to the inside of thread insulation cover, branch sheath has been cup jointed to the inside of branch metal sheath, many branch insulation cover have been cup jointed to the inside of branch sheath, branch conductor core has been cup jointed to the inside of branch insulation cover, thread conductor core is the same with the quantity of branch conductor core, thread conductor core and branch conductor core one-to-one. The utility model discloses firm in connection is reliable, and the protection is effectual, and the security is high, need not to adopt branch's block terminal, has simplified the mode of connection of site work, and is very economical simultaneously and practices thrift.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a multicore mineral insulation metal sheath is fire-resistant to divide a cable connector in advance.
Background
At present, various projects, especially key projects, have relevant regulations on flame retardant and fire resistant functions of wires and cables, and fire-resistant wires and cables are required to be used in fire-fighting and emergency circuits used in various occasions. The main structural form of the existing fire-resistant electric wire and cable is that the fire-resistant electric wire and cable is used in a whole piece, only a branch distribution box can be adopted in a power transmission and distribution line, namely, a main cable is divided into branch boxes, then a branch loop is divided, the main cable is led out from the branch boxes to a next power distribution device, the line is complex, and the operation is troublesome, so that the multi-core mineral insulating metal sheath fire-resistant pre-branch cable connector is provided.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art, and provides a multi-core mineral insulation metal sheath fire-resistant pre-branch cable connector.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-core mineral insulation metal sheath fire-resistant pre-branch cable connector comprises a metal sleeve, a heat-shrinkable sleeve is sleeved inside the metal sleeve, the heat-shrinkable sleeve is sleeved with a main line metal sheath and a branch metal sheath, the main line metal sheath is sleeved with a main line sheath, a plurality of main line insulating sleeves are sleeved inside the main line sheath, main line conductor cores are sleeved inside the main line insulating sleeves, the branch metal sheath is sleeved with a branch sheath, the branch sheath is sleeved with a plurality of branch insulating sleeves, branch conductor cores are sleeved in the branch insulating sleeve, the number of the main line conductor cores is the same as that of the branch conductor cores, the main line conductor cores correspond to the branch conductor cores one to one, and the branch conductor cores sequentially penetrate through the main line metal sheath, the main line sheath and the main line insulation sleeve and are fixed with the main line conductor cores through metal welding.
Preferably, the heat-shrinkable sleeve has a double-layer structure, and the thickness of the heat-shrinkable sleeve is greater than the sum of the thickness of the main line sheath and the thickness of the main line insulating sleeve.
Preferably, the joint of the main line metal sheath and the branch conductor core is insulated by adopting a fireproof material tape, and is subjected to injection molding by adopting a fireproof material.
Preferably, the joint of the main line metal sheath and the branch metal sheath is sealed by welding, and the outer surface of the metal sleeve is provided with embossing.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in through directly adopting metal welding with the thread conductor core in the branch circuit and the main line conductor core in the main line, and adopt refractory material band as insulating in the junction of thread metal sheath and branch metal sheath, and adopt refractory material to press and annotate the processing, after that adopt heat shrinkage bush as the product sheath in thread metal sheath and branch metal sheath's connector outside, weld at the connector department and seal and roll line outside the metal sheath at last, whole connector is firm reliable, the protective effect is good, need not to adopt branch block terminal after adopting this structure, the wiring mode of field work has been simplified, simultaneously very economic and economical, the convenience of operation has been improved; meanwhile, the main line metal sheath and the branch metal sheath can effectively avoid the phenomenon that the joint is loosened due to pulling through a tightening procedure in the process manufacturing, the protection effect is good, and the use is safe and reliable.
Drawings
Fig. 1 is a cross-sectional view of a multi-core mineral insulated metal sheath fire-resistant pre-branch cable connector provided by the utility model.
In the figure: the main line conductor core comprises a heat-shrinkable sleeve 1, a main line metal sheath 2, a main line insulation sleeve 3, a main line conductor core 4, a branch conductor core 5, a branch insulation sleeve 6, a branch metal sheath 7, a branch sheath 8, a main line sheath 9 and a metal sheath 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a multi-core mineral insulating metal sheath fire-resistant pre-branching cable connector comprises a metal sleeve 10, a heat-shrinkable sleeve 1 is sleeved inside the metal sleeve 10, a main line metal sheath 2 and a branch metal sheath 7 are sleeved inside the heat-shrinkable sleeve 1, a main line sheath 9 is sleeved inside the main line metal sheath 2, a plurality of main line insulating sleeves 3 are sleeved inside the main line sheath 9, main line conductor cores 4 are sleeved inside the main line insulating sleeves 3, branch sheaths 8 are sleeved inside the branch metal sheath 7, a plurality of branch insulating sleeves 6 are sleeved inside the branch sheaths 8, branch conductor cores 5 are sleeved inside the branch insulating sleeves 6, the main line conductor cores 4 and the branch conductor cores 5 are the same in number, the main line conductor cores 4 correspond to the branch conductor cores 5 one to one, and the branch conductor cores 5 sequentially penetrate through the main line metal sheath 2 and the main line 9 and the branch metal sheath 9, The main line insulating sleeve 3 and the main line conductor core 4 are fixed by metal welding.
The heat-shrinkable sleeve 1 is of a double-layer structure, and the thickness of the heat-shrinkable sleeve 1 is larger than the sum of the thickness of the main line sheath 9 and the thickness of the main line insulating sleeve 3.
Wherein, the joint of the main line metal sheath 2 and the branch conductor core 5 is insulated by adopting a refractory material wrapping tape and is treated by adopting refractory material pressure injection.
Wherein, the joint of the main line metal sheath 2 and the branch metal sheath 7 is sealed by welding, and the outer surface of the metal sleeve 10 is provided with embossing.
The working principle is as follows: the branch conductor core 5 in the branch line and the main line conductor core 4 in the main line are directly welded by metal, a refractory material wrapping belt is adopted as insulation at the joint of the main line metal sheath 2 and the branch metal sheath 7, refractory material pressure injection treatment is adopted, then a heat-shrinkable sleeve 1 is adopted as a product sheath outside a connecting body of the main line metal sheath 2 and the branch metal sheath 7, finally welding sealing is carried out at the connecting body and embossing is carried out outside the metal sheath 10, the whole connecting body is firm and reliable, the protection effect is good, a branch distribution box is not needed after the structure is adopted, the wiring mode of field work is simplified, meanwhile, the structure is very economical and economical, and the convenience in operation is improved; meanwhile, the main line metal sheath 2 and the branch metal sheath 7 can effectively avoid the phenomenon that the joint is loosened due to pulling through the tightening procedure in the process manufacturing, the protection effect is good, and the use is safe and reliable.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A multi-core mineral insulating metal sheath fire-resistant pre-branch cable connector comprises a metal sleeve (10), and is characterized in that a heat-shrinkable sleeve (1) is sleeved inside the metal sleeve (10), a main line metal sheath (2) and branch metal sheaths (7) are sleeved inside the heat-shrinkable sleeve (1), a main line sheath (9) is sleeved inside the main line metal sheath (2), a plurality of main line insulating sleeves (3) are sleeved inside the main line sheath (9), main line conductor cores (4) are sleeved inside the main line insulating sleeves (3), branch sheaths (8) are sleeved inside the branch metal sheaths (7), a plurality of branch insulating sleeves (6) are sleeved inside the branch sheaths (8), branch conductor cores (5) are sleeved inside the branch insulating sleeves (6), and the main line conductor cores (4) and the branch conductor cores (5) are the same in number, the main line conductor cores (4) correspond to the branch conductor cores (5) one by one, and the branch conductor cores (5) sequentially penetrate through the main line metal sheath (2), the main line sheath (9) and the main line insulating sleeve (3) and are fixed with the main line conductor cores (4) through metal welding.
2. The fire-resistant pre-branch cable connector with a multi-core mineral-insulating metal sheath as claimed in claim 1, wherein the heat-shrinkable sleeve (1) has a double-layer structure, and the thickness of the heat-shrinkable sleeve (1) is greater than the sum of the thickness of the main wire sheath (9) and the thickness of the main wire insulating sheath (3).
3. The multi-core mineral insulation metal sheath fire-resistant pre-branch cable connector as claimed in claim 1, wherein the junction of the main line metal sheath (2) and the branch conductor core (5) is insulated with a fire-resistant tape and is treated by injection molding with a fire-resistant material.
4. The fire-resistant pre-branching cable connector with a multi-core mineral-insulating metal sheath as claimed in claim 3, wherein the main wire metal sheath (2) and the branch metal sheath (7) are welded and sealed at the joint, and the outer surface of the metal sleeve (10) is provided with embossing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136538.XU CN210073350U (en) | 2019-07-19 | 2019-07-19 | Fire-resistant pre-branch cable connector with multi-core mineral insulation metal sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136538.XU CN210073350U (en) | 2019-07-19 | 2019-07-19 | Fire-resistant pre-branch cable connector with multi-core mineral insulation metal sheath |
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| Publication Number | Publication Date |
|---|---|
| CN210073350U true CN210073350U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921136538.XU Active CN210073350U (en) | 2019-07-19 | 2019-07-19 | Fire-resistant pre-branch cable connector with multi-core mineral insulation metal sheath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572184A (en) * | 2021-08-19 | 2021-10-29 | 厦门海辰新能源科技有限公司 | Energy storage module of energy storage system and energy storage system |
-
2019
- 2019-07-19 CN CN201921136538.XU patent/CN210073350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572184A (en) * | 2021-08-19 | 2021-10-29 | 厦门海辰新能源科技有限公司 | Energy storage module of energy storage system and energy storage system |
| CN113572184B (en) * | 2021-08-19 | 2023-03-24 | 厦门海辰储能科技股份有限公司 | Energy storage module of energy storage system and energy storage system |
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