CN215221693U - Sealed waterproof type outdoor cable terminal - Google Patents
Sealed waterproof type outdoor cable terminal Download PDFInfo
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- CN215221693U CN215221693U CN202121576687.5U CN202121576687U CN215221693U CN 215221693 U CN215221693 U CN 215221693U CN 202121576687 U CN202121576687 U CN 202121576687U CN 215221693 U CN215221693 U CN 215221693U
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Abstract
The utility model relates to a waterproof cable technical field provides a sealed waterproof type outdoor cable terminal. The method comprises the following steps: the cable is provided with a cable sheath outside, and a finger sleeve is arranged outside the cable sheath; the cable is connected with a grounding wire, a heat-shrinkable protective sleeve is sleeved outside the grounding wire, and the tail end of the grounding wire is connected with a sealed terminal; the grounding wire is arranged between the finger sleeve and the cable, and self-vulcanized rubber mud is filled in the gaps of the interfaces among the finger sleeve, the grounding wire and the cable. The beneficial effects of the utility model reside in that: the thermal shrinkage protective sleeve is arranged outside the grounding wire, so that direct invasion of water and moisture is avoided; the connecting terminal of the grounding wire adopts a sealed terminal, so that the problem of water immersion of an open terminal is avoided; the self-vulcanized rubber cement in the interface gap of the cable terminal can fully fill the interface gap and is self-vulcanized into an elastic whole at room temperature, so that the invasion of water and moisture is effectively prevented.
Description
Technical Field
The utility model relates to a waterproof cable technical field, concretely relates to sealed waterproof type outdoor cable terminal.
Background
The outdoor cable terminal is an important power component for connecting a cable and outdoor electric equipment, needs to bear the invasion of natural environments (rain, snow, wind, frost and the like) for a long time, is easy to cause accidents when used in regions with hot and humid conditions and large instantaneous rainfall, and is easy to cause direct water inflow or moisture invasion particularly when the terminal part and the grounding wire leading-out part have no corresponding coping means, so that the running accidents of the outdoor cable terminal are caused. The accident is caused by water inflow or moisture, the moisture or the water is directly evaporated after the breakdown accident occurs, the main accident cause is difficult to find and is easily judged as the quality defect of the outdoor cable terminal main body by mistake, the most main influence factors are often easily ignored by people, and the hidden danger is buried for the stable operation and the technical improvement of the outdoor cable terminal.
The traditional cable terminal sealing mode is sealed glue + pyrocondensation pipe (cold shrink pipe), pyrocondensation pipe (cold shrink pipe) that here adopted are the footpath (i.e. the diameter on the whole length of pyrocondensation pipe (or cold shrink pipe) all equals), its defect is that the terminal diameter of the different cables of specification of cable is also different, and cable insulation diameter is far greater than the diameter of terminal, connect with the pyrocondensation pipe (cold shrink pipe) of the same diameter, sealed different diameter's terminal and cable insulation, pyrocondensation pipe (cold shrink pipe) are in place at terminal position easy retraction, the sealed effect variation of terminal, under the water pressure effect under the state of drenching rain, water and moisture are very easily invaded.
The earth connection sealing mode adopts the tinned copper wire to weave the ground wire, and the skin of earth connection does not have the protecting tube, and the connecting terminal opening terminal of earth connection adopts sealed gluey winding method to carry on waterproofly in earth connection and cable metal shielding junction, outer dactylotheca or insulating tube, its defect is that the earth connection skin does not have the protecting tube, and inside water and moisture invaded the cable terminal easily under water pressure or capillary action, the connecting terminal of earth connection was opening type terminal, and water and moisture invaded along the opening part easily.
In addition, when the finger stall or the insulating tube shrinks to the ground wire for sealing, the ground wire has a certain thickness, so that interface gaps generated by the ground wire, the finger stall or the insulating tube and the cable sheath cannot be avoided, and water and moisture easily invade the interior of the cable terminal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sealed waterproof type outdoor cable termination to solve the problem that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: a seal-waterproof type outdoor cable terminal comprising: the cable is provided with a cable sheath outside, and a finger sleeve is arranged outside the cable sheath; the cable junction has the earth connection, the outside cover of earth connection is equipped with pyrocondensation protective sleeve, the end-to-end connection of earth connection has the canned type terminal.
In an optional embodiment, a ground wire molding sleeve is sleeved outside the cable sheath and the finger sleeve, and the ground wire penetrates out of the ground wire molding sleeve.
In an alternative embodiment, the large diameter portion of the ground wire mold sleeve is sleeved into the cable sheath, and the small diameter portion of the ground wire mold sleeve is sleeved into the ground wire.
In an optional embodiment, a stress tube is sleeved outside the cable in the finger stall, an insulating tube is sleeved outside the stress tube, and a plurality of umbrella skirts are arranged outside the insulating tube.
In an optional embodiment, a cable at the tail end of the finger stall is connected with a cable terminal and a non-uniform heat-shrinkable tube, and a sealant is filled between the cable terminal and the non-uniform heat-shrinkable tube.
In an optional embodiment, the inner surface of the unequal-diameter heat-shrinkable tube is coated with hot melt adhesive, and the length of the unequal-diameter heat-shrinkable tube is 100mm-200 mm; the length of the ground wire molding sleeve is 80mm-250 mm.
On the other hand, the utility model also provides a sealed waterproof type outdoor cable termination, include: the cable is provided with a cable sheath outside, and a finger sleeve is arranged outside the cable sheath; the cable is connected with a grounding wire, a heat-shrinkable protective sleeve is sleeved outside the grounding wire, and the tail end of the grounding wire is connected with a sealed terminal; the grounding wire is arranged between the finger sleeve and the cable, and self-vulcanized rubber mud is filled in the gaps of the interfaces among the finger sleeve, the grounding wire and the cable.
In an alternative embodiment, the metal shielding layer of the cable is connected with the grounding wire through a constant force spring.
In an optional embodiment, a cold-shrink outdoor terminal main body is arranged outside the cable in the finger sleeve; the cable at the tail end of the finger sleeve is connected with a cable terminal and a non-uniform diameter cold-shrinkable tube, and sealant is filled between the cable terminal and the non-uniform diameter cold-shrinkable tube.
In an optional embodiment, the length of the unequal-diameter cold-shrink tube is 100mm-250 mm.
The beneficial effects of the utility model reside in that:
(1) the utility model provides a sealed waterproof type outdoor cable terminal's earth connection is equipped with the pyrocondensation protecting pipe outward, has avoided the direct invasion of water and moisture.
(2) The utility model provides a connecting terminal of the earth connection at sealed waterproof type outdoor cable terminal adopts the canned type terminal, has solved the problem of soaking of opening type terminal.
(3) The utility model provides a be filled with the vulcanized rubber mud in the interface space at sealed waterproof type outdoor cable terminal, because the vulcanized rubber mud can be filled arbitrary shape, can fully fill the interface space and become one at room temperature from the vulcanization and have elastic whole, effectively prevent that water and moisture from invading.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a cable termination in the prior art.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic structural view of a sealed waterproof type outdoor cable terminal provided by an embodiment of the present invention.
Fig. 4 is a schematic structural view of a sealed waterproof outdoor cable terminal according to another embodiment of the present invention.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Wherein, the reference numbers in the figures are:
111. fingerstall, 112, open terminal, 113, grounding wire, 114 cable sheath, 115, cable, 116, interface gap;
1. the device comprises a fingerstall, 2, a sealing type terminal, 3, a ground wire, 4, a heat-shrinkable protective sleeve, 5, a ground wire molding sleeve, 6, a stress tube, 7, an umbrella skirt, 8, an insulating tube, 9, sealant, 10, a non-uniform-diameter heat-shrinkable tube, 11, a cable terminal, 12 and a cable protective sleeve;
21. the outdoor terminal comprises a finger sleeve, 22, a sealed terminal, 23, a grounding wire, 24, a heat-shrinkable protective sleeve, 25, a constant force spring, 26, self-vulcanized rubber mud, 27, a cable protective sleeve, 28, sealant, 29, an unequal-diameter cold-shrinkable tube, 210, a cable terminal, 211 and a cold-shrinkable outdoor terminal main body.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1-2, a prior art outdoor cable termination includes: a cable 115, a cable sheath 114 is arranged outside the cable 115, and a finger stall 111 is arranged outside the cable sheath 114; the cable 115 is connected with the earth connection 113, and the end connection of earth connection 113 has open terminal 112, and the skin of earth connection 113 does not have the protecting pipe, adopts sealed glue winding mode to carry out waterproof in earth connection 113 and cable metal shielding junction, and inside water and moisture invaded the cable termination under water pressure or capillary action easily, open terminal 112 can not prevent that water and moisture from invading along the opening part. In addition, interface gaps are generated among the finger sleeve 111, the grounding wire 113 and the cable 115, and water and moisture easily enter the cable terminal.
Example one
Referring to fig. 3, the present embodiment provides a sealed and waterproof thermoplastic outdoor cable terminal, which includes: the cable comprises a cable, wherein a cable sheath 12 is arranged outside the cable, a finger stall 1 is arranged outside the cable sheath 12, and the finger stall 1 can also be an insulating sleeve; the cable is connected with a grounding wire 3, a heat-shrinkable protective sleeve 4 is sleeved outside the grounding wire 3, and the tail end of the grounding wire 3 is connected with a sealed terminal 2.
It should be noted that the heat-shrinkable protective sleeve 4 is heat-shrunk on the outer layer of the grounding wire 3 in advance, so that direct intrusion of water and moisture is avoided; the sealed terminal 2 is crimped to the ground wire 3 in advance, and the problem of water immersion of the open terminal is avoided.
Specifically, the cable sheath 12 and the outer sleeve of the finger stall 1 are provided with the ground wire molding sleeve 5, and the ground wire 3 penetrates out of the ground wire molding sleeve 5. Wherein, the large diameter part of the ground wire molding sleeve 5 is sleeved in the cable sheath 12, and the small diameter part of the ground wire molding sleeve 5 is sleeved in the ground wire 3. It is worth mentioning that the length of the ground moulding 5 is preferably 80mm to 250 mm.
Furthermore, a cable at the tail end of the finger stall 1 is connected with a cable terminal 11 and a non-uniform heat-shrinkable tube 10, and a sealant 9 is filled between the cable terminal 11 and the non-uniform heat-shrinkable tube 10. The inner surface of the unequal diameter heat-shrinkable tube 10 is coated with a hot melt adhesive, and the length of the unequal diameter heat-shrinkable tube 10 is preferably 100mm to 200 mm. The unequal-diameter heat-shrinkable tube 10 improves the sealing effect of the cable terminal 11, and water and moisture are not easy to intrude under the action of water pressure in a rain state.
In addition, the outside cover of the cable in dactylotheca 1 is equipped with stress tube 6, and the outside cover of stress tube 6 is equipped with insulating tube 8, and insulating tube 8 is provided with a plurality of full skirts 7 outward.
Example two
Referring to fig. 4-5, the present embodiment provides a sealed waterproof type cold-shrink outdoor cable terminal, including: the cable, there is cable sheath 27 outside the cable, there are finger cot 21 outside the cable sheath 27, the finger cot 21 can be the insulating cover too; the cable is connected with a grounding wire 23, a heat-shrinkable protective sleeve 24 is sleeved outside the grounding wire 23, and the tail end of the grounding wire 23 is connected with a sealed terminal 22.
It should be noted that the heat-shrinkable protective sleeve 4 is heat-shrunk on the outer layer of the grounding wire 3 in advance, so that direct intrusion of water and moisture is avoided; the sealed terminal 2 is crimped to the ground wire 3 in advance, and the problem of water immersion of the open terminal is avoided.
Specifically, the grounding wire 23 is disposed between the finger stall 21 and the cable, and the interface gap between the finger stall 21, the grounding wire 23 and the cable is filled with the self-vulcanized rubber cement 26. Since the vulcanized rubber paste 26 can be filled in any shape, the vulcanized rubber paste 26 can sufficiently fill the interface gap and self-vulcanize at room temperature into an elastic whole, effectively preventing the intrusion of water and moisture.
Further, the metal shielding layer of the cable is connected with the grounding wire 23 through a constant force spring 25. Further, the outside of the cable in the finger cot 21 is provided with a cold-shrink outdoor terminal main body 211; the cable at the tail end of the finger sleeve 21 is connected with a cable terminal 210 and a non-uniform diameter cold-shrink tube 29, and a sealant 28 is filled between the cable terminal 210 and the non-uniform diameter cold-shrink tube 29. Preferably, the length of the unequal-diameter cold-shrinkable tube is 100mm-250 mm.
It is worth mentioning that the unequal-diameter cold-shrink tube 29 improves the sealing effect of the cable terminal 210, and water and moisture are not easy to enter under the action of water pressure in a rain state.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A seal-waterproof type outdoor cable terminal comprising: the cable is provided with a cable sheath outside, and a finger sleeve is arranged outside the cable sheath;
the cable is characterized in that the cable is connected with a grounding wire, a heat-shrinkable protective sleeve is sleeved outside the grounding wire, and the tail end of the grounding wire is connected with a sealed terminal.
2. The outdoor cable termination of claim 1, wherein the cable jacket and the outer sleeve of the finger cuff are provided with a ground wire molding sleeve, and the ground wire penetrates through the ground wire molding sleeve.
3. The outdoor cable termination of claim 2, wherein the large diameter portion of the ground mold is nested in the cable jacket and the small diameter portion of the ground mold is nested in the ground wire.
4. The outdoor cable termination of claim 3, wherein the cable in the finger stall is externally sleeved with a stress tube, the stress tube is externally sleeved with an insulating tube, and the insulating tube is externally provided with a plurality of sheds.
5. The outdoor cable terminal of claim 4, wherein the cable at the end of the finger sleeve is connected with a cable terminal and a unequal-diameter heat-shrinkable tube, and a sealant is filled between the cable terminal and the unequal-diameter heat-shrinkable tube.
6. The outdoor cable termination of claim 5, wherein the unequal diameter heat shrinkable tube has an inner surface coated with a hot melt adhesive, and a length of the unequal diameter heat shrinkable tube is 100mm to 200 mm; the length of the ground wire molding sleeve is 80mm-250 mm.
7. A seal-waterproof type outdoor cable terminal comprising: the cable is provided with a cable sheath outside, and a finger sleeve is arranged outside the cable sheath; the cable is connected with a grounding wire, a heat-shrinkable protective sleeve is sleeved outside the grounding wire, and the tail end of the grounding wire is connected with a sealed terminal;
the anti-theft device is characterized in that the grounding wire is arranged between the finger stall and the cable, and self-vulcanized rubber mud is filled in the gaps of the interfaces among the finger stall, the grounding wire and the cable.
8. The outdoor cable termination of claim 7, wherein the metal shield of the cable is connected to the ground wire by a constant force spring.
9. The outdoor cable termination of claim 8, wherein the exterior of the cable in the finger cuff is provided with a cold shrink outdoor termination body; the cable at the tail end of the finger sleeve is connected with a cable terminal and a non-uniform diameter cold-shrinkable tube, and sealant is filled between the cable terminal and the non-uniform diameter cold-shrinkable tube.
10. The outdoor cable termination of claim 9, wherein the unequal-diameter cold-shrink tube has a length of 100mm to 250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121576687.5U CN215221693U (en) | 2021-07-12 | 2021-07-12 | Sealed waterproof type outdoor cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121576687.5U CN215221693U (en) | 2021-07-12 | 2021-07-12 | Sealed waterproof type outdoor cable terminal |
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| Publication Number | Publication Date |
|---|---|
| CN215221693U true CN215221693U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121576687.5U Active CN215221693U (en) | 2021-07-12 | 2021-07-12 | Sealed waterproof type outdoor cable terminal |
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| CN (1) | CN215221693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693585A (en) * | 2022-12-30 | 2023-02-03 | 义博通信设备集团股份有限公司 | Multifunctional cold-shrinking multi-finger sleeve convenient to operate |
-
2021
- 2021-07-12 CN CN202121576687.5U patent/CN215221693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693585A (en) * | 2022-12-30 | 2023-02-03 | 义博通信设备集团股份有限公司 | Multifunctional cold-shrinking multi-finger sleeve convenient to operate |
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