CN204117637U - A kind of submersible motor cable seal head and production mould thereof - Google Patents
A kind of submersible motor cable seal head and production mould thereof Download PDFInfo
- Publication number
- CN204117637U CN204117637U CN201420596656.XU CN201420596656U CN204117637U CN 204117637 U CN204117637 U CN 204117637U CN 201420596656 U CN201420596656 U CN 201420596656U CN 204117637 U CN204117637 U CN 204117637U
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- China
- Prior art keywords
- cable
- core
- ing
- submersible motor
- seal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Cable Accessories (AREA)
- Processing Of Terminals (AREA)
Abstract
The utility model provides a kind of submersible motor cable seal head, comprises cable cover(ing) and at least two cable cores, and cable core includes core conductor and core insulating barrier, and core insulating barrier is coated on the periphery of core conductor; Cable core is arranged side by side; The periphery of cable core is extruded with cable cover(ing); The periphery of cable cover(ing) is enclosed with a seal rubber sleeve, and seal rubber sleeve is made up of cable cover(ing) sealant, fitting tight circle, cable core sealant and cable core clearance seal layer; Seal rubber sleeve and cable cover(ing), cable core are formed in one structure.The utility model additionally provides produces supporting mould.The utility model structure is reliable, production technology is simple, and cable cover(ing), cable core and seal rubber sleeve are integral type structure, improve sealing property, guarantee the sealing effectiveness of the cable junction of submersible motor, solve the water inlet problem of cable in seal failure situation of submersible motor.
Description
Technical field
The utility model belongs to submersible motor field, relates to the waterproof sealing technology of submersible motor cable used for electric power connection, specifically a kind of structure of Novel sealing head of submersible motor cable, and produces the mould of this novel cable seal head structure.
Background technology
Submersible motor is the important component part of immersible pump, and the serviceability of immersible pump depends on the service behaviour of submersible motor, and submersible motor operates mainly under water, and therefore the sealing property of submersible motor just becomes an important indicator.
The hermetically-sealed construction complex manufacturing of the cable of existing connection submersible motor, main multiple black box and the jockey of relying on forms, and easily causes switching performance to be deteriorated, and then reduce sealing effectiveness after long-play; Simultaneously in order to improve sealing property, generally comparatively firm in connection, repair demolition inconvenience; Moreover between cable core and the inside of motor, lack corresponding safeguard measure, when the protective layer of cable is damaged, because of the cause of Underwater Pressure, water can enter into motor coil along between cable cover(ing) and core, causes electric motor short circuit to burn out.
Utility model content
The purpose of this utility model is to provide a kind of structure of Novel sealing head of submersible motor cable, and produces the mould of this novel cable seal head structure; Guarantee that submersible motor has good water resistance and insulation property.
The utility model is achieved through the following technical solutions: a kind of submersible motor cable seal head, comprise cable cover(ing) and at least two cable cores, described cable core includes core conductor and core insulating barrier, and described core insulating barrier is coated on the periphery of described core conductor; The outer surface of described core insulating barrier is carved with helical groove; Described cable core is arranged side by side; The periphery of described cable core is extruded with cable cover(ing); The length of described cable core is longer than the length of described cable cover(ing); It is the annular groove of inverted T shape that the inside on the top of described cable cover(ing) offers a cross sectional shape, and upper surface and the outer surface of corresponding described cable cover(ing) offer several open-works; The periphery on the top of described cable cover(ing) and the periphery of exposed described cable core outside described cable cover(ing) are injected with a seal rubber sleeve, and described seal rubber sleeve is made up of cable cover(ing) sealant, fitting tight circle, cable core sealant and cable core clearance seal layer; Described cable core clearance seal layer is consistent with the length of the helical groove on the outer surface of described core insulating barrier; Described seal rubber sleeve and described cable cover(ing), cable core are formed in one structure.
Preferably, described core conductor forms by some anaerobic bare copper wires are stranded.
Preferably, the material of described core insulating barrier is the composite material that polyvinyl chloride and ethylene-propylene rubber form.
Preferably, the material of described seal rubber sleeve is butyronitrile composite material.
The utility model also provided a kind of mould producing above-mentioned arbitrary described submersible motor cable seal head, comprised sealed mold, the interior shape of described sealed mold and the profile of described seal rubber sleeve suitable; The inside of described sealed mold is also provided with a line card, and described line card offers through hole, and the quantity of described through hole and the quantity of described cable core are consistent; Described sealed mold offers injecting hole, and described injecting hole is circumscribed with injection molding machine.
Compared with prior art, its effect is positive to the utility model.
1, cable core and cable cover(ing) are combined by the mode of injection moulding and seal rubber sleeve by the utility model, form an entirety, make water resistance and insulation property more excellent; Gap simultaneously between cable core is blocked completely by seal rubber sleeve, and under deepwater high-pressure environment, stoping seeps water enters into the inside of submersible motor between cable core, avoids the problem that electric motor short circuit burns out.
2, the surface of the utility model online core insulation layer arranges helical groove and arranges through hole and inner inverted T shape annular groove at the top of cable cover(ing), expand the contact area of seal rubber sleeve and core insulating barrier, cable cover(ing), improve firmness each other, avoid coming off and the sealing property that causes declines.
3, the composite material that forms of the material selection polyvinyl chloride of the utility model center line core insulation layer and ethylene-propylene rubber, it is with insulation property and barrier propterty.
4, the material selection butyronitrile composite material of seal rubber sleeve of the present utility model, enter cable cover(ing) after can preventing cable cover(ing) from breaking and enter the inside of submersible motor, novel butyronitrile composite material is injection-moulded in the inside line of seal rubber sleeve, this position is positioned at motor internal, not easily movable, be easy to keep hermetically-sealed construction.
5, the utility model also corresponding production mould of Aided design, by the use of line card, can carry out injection moulding to cable core clearance seal layer accurately, improve sealing property.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the utility model cable cover(ing) end.
Wherein: 1 is cable cover(ing); 11 is annular groove; 12 is open-work; 2 is cable core; 21 is core conductor; 22 is core insulating barrier; 3 is seal rubber sleeve; 31 is cable cover(ing) sealant; 32 for fitting tight circle, 33 be cable core sealant; 34 is cable core clearance seal layer.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public embodiment.
See Fig. 1, a kind of submersible motor cable seal head, comprise cable cover(ing) 1 and at least two cable cores 2, in the present embodiment, cable core 2 is four; Cable core 2 includes core conductor 21 and core insulating barrier 22, and core insulating barrier 22 is coated on the periphery of core conductor 21; Cable core 2 is arranged side by side, and cable core 2 is the circular state of circumferential arrangement; The outer surface of core insulating barrier 22 is carved with helical groove; The periphery of cable core 2 is extruded with cable cover(ing) 1; The length of cable core 2 is longer than the length of cable cover(ing) 1; See Fig. 2, the inside on the top of cable cover(ing) 1 offers the annular groove 11 that a cross sectional shape is inverted T shape, and the upper surface of corresponding cable cover(ing) 1 and outer surface offer several open-works 12; The periphery on the top of cable cover(ing) 1 and the periphery of the exposed cable core 2 in cable cover(ing) 1 outside are injected with a seal rubber sleeve 3, and seal rubber sleeve 3 is made up of cable cover(ing) sealant 31, fitting tight circle 32, cable core sealant 33 and cable core clearance seal layer 34; Cable core clearance seal layer 34 is consistent with the length of the helical groove on the outer surface of core insulating barrier 22; Seal rubber sleeve 3 and cable cover(ing) 1, cable core 2 are formed in one structure.
In the present embodiment, core conductor 21 forms by some anaerobic bare copper wires are stranded; The material of core insulating barrier 22 is the composite material that polyvinyl chloride and ethylene-propylene rubber form; The material of seal rubber sleeve 3 is butyronitrile composite material.
During use, in the present embodiment, the seal rubber sleeve 3 of cable seal head is connected on submersible motor, cable core sealant 33 is incorporated into the inside of submersible motor by the fairlead on submersible motor, fitting tight circle 32 is placed on fairlead, and tightly press fit sealing ring 32 and its submersible motor go between hole wall and the sealing that realizes cable with securing member.
The utility model additionally provides a kind of mould producing cable seal head in the present embodiment, comprises sealed mold, the interior shape of sealed mold and the profile of seal rubber sleeve suitable; The inside of sealed mold is also provided with a line card, and line card offers through hole, and the quantity of through hole and the quantity of cable core are consistent; Sealed mold offers injecting hole, and injecting hole is circumscribed with injection molding machine.
First sealed mold and injection molding machine are assembled, assemble with sealed mold after exposed cable core outside cable cover(ing) is penetrated line card, set the temperature needed for material, time and pressure, injected plastics material enters into sealed mold by injecting hole, form cable cover(ing) sealant, fitting tight circle, cable core sealant and cable core clearance seal layer respectively, complete injection moulding.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection range of technical solutions of the utility model.
Claims (5)
1. a submersible motor cable seal head, comprises cable cover(ing) and at least two cable cores, it is characterized in that: described cable core includes core conductor and core insulating barrier, and described core insulating barrier is coated on the periphery of described core conductor; The outer surface of described core insulating barrier is carved with helical groove; Described cable core is arranged side by side; The periphery of described cable core is extruded with cable cover(ing); The length of described cable core is longer than the length of described cable cover(ing); It is the annular groove of inverted T shape that the inside on the top of described cable cover(ing) offers a cross sectional shape, and upper surface and the outer surface of corresponding described cable cover(ing) offer several open-works; The periphery on the top of described cable cover(ing) and the periphery of exposed described cable core outside described cable cover(ing) are injected with a seal rubber sleeve, and described seal rubber sleeve is made up of cable cover(ing) sealant, fitting tight circle, cable core sealant and cable core clearance seal layer; Described cable core clearance seal layer is consistent with the length of the helical groove on the outer surface of described core insulating barrier; Described seal rubber sleeve and described cable cover(ing), cable core are formed in one structure.
2. submersible motor cable seal head as claimed in claim 1, is characterized in that: described core conductor forms by some anaerobic bare copper wires are stranded.
3. submersible motor cable seal head as claimed in claim 1, is characterized in that: the material of described core insulating barrier is the composite material that polyvinyl chloride and ethylene-propylene rubber form.
4. submersible motor cable seal head as claimed in claim 1, is characterized in that: the material of described seal rubber sleeve is butyronitrile composite material.
5. produce a mould for the arbitrary described submersible motor cable seal head of claim 1 to 4, it is characterized in that: comprise sealed mold, the interior shape of described sealed mold and the profile of described seal rubber sleeve suitable; The inside of described sealed mold is also provided with a line card, and described line card offers through hole, and the quantity of described through hole and the quantity of described cable core are consistent; Described sealed mold offers injecting hole, and described injecting hole is circumscribed with injection molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420596656.XU CN204117637U (en) | 2014-10-16 | 2014-10-16 | A kind of submersible motor cable seal head and production mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420596656.XU CN204117637U (en) | 2014-10-16 | 2014-10-16 | A kind of submersible motor cable seal head and production mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117637U true CN204117637U (en) | 2015-01-21 |
Family
ID=52334927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420596656.XU Expired - Fee Related CN204117637U (en) | 2014-10-16 | 2014-10-16 | A kind of submersible motor cable seal head and production mould thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117637U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185482A (en) * | 2015-08-06 | 2015-12-23 | 深圳市南士科技股份有限公司 | Manufacturing method of cable having waterproof outer sheath structure |
| CN106847403A (en) * | 2017-04-12 | 2017-06-13 | 成都新三电线厂 | Environment-friendly cable with waterproof high insulating property |
| CN108493889A (en) * | 2018-04-26 | 2018-09-04 | 众普森科技（株洲）有限公司 | A kind of wire rod and preparation method thereof |
| CN112820464A (en) * | 2021-01-09 | 2021-05-18 | 台州腾标电子有限公司 | Waterproof end of motor cable |
-
2014
- 2014-10-16 CN CN201420596656.XU patent/CN204117637U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185482A (en) * | 2015-08-06 | 2015-12-23 | 深圳市南士科技股份有限公司 | Manufacturing method of cable having waterproof outer sheath structure |
| CN105185482B (en) * | 2015-08-06 | 2017-06-30 | 深圳市南士科技股份有限公司 | A kind of preparation method with the outer cable by structure of waterproof |
| CN106847403A (en) * | 2017-04-12 | 2017-06-13 | 成都新三电线厂 | Environment-friendly cable with waterproof high insulating property |
| CN108493889A (en) * | 2018-04-26 | 2018-09-04 | 众普森科技（株洲）有限公司 | A kind of wire rod and preparation method thereof |
| CN112820464A (en) * | 2021-01-09 | 2021-05-18 | 台州腾标电子有限公司 | Waterproof end of motor cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20211016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |