CN111585240A - Reinforced waterproof medium-voltage cable accessory - Google Patents
Reinforced waterproof medium-voltage cable accessory Download PDFInfo
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- CN111585240A CN111585240A CN201910123681.3A CN201910123681A CN111585240A CN 111585240 A CN111585240 A CN 111585240A CN 201910123681 A CN201910123681 A CN 201910123681A CN 111585240 A CN111585240 A CN 111585240A
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- cold
- sealing
- glue adding
- glue
- tube
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
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- Connector Housings Or Holding Contact Members (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a reinforced waterproof medium-voltage cable accessory, and particularly relates to the field of medium-voltage cable accessories, which comprises a wiring terminal, a sealing tube, a terminal main body, a cold-shrinkage insulating tube, a cold-shrinkage three-fork finger sleeve and a sealing part, wherein a cable is sleeved inside the cold-shrinkage three-fork finger sleeve, the cable penetrates through the cold-shrinkage insulating tube, the terminal main body and the sealing tube and is fixedly connected with the wiring terminal, the sealing part is sleeved at the joint of the wiring terminal, the sealing tube, the terminal main body, the cold-shrinkage insulating tube and the cold-shrinkage three-fork finger sleeve, the sealing part comprises a sleeve body, and a spiral glue adding groove is. The whole cable accessory is made of LSR liquid silicone rubber, and after the lap joint of each component part is wrapped by the sealing part, the component parts are integrated into a whole by using the waterproof sealant, so that the external moisture or moisture is prevented from invading, the sealing and the water resistance are more stable and reliable, and the breakdown accident of the cable accessory caused by the invasion of the moisture or the moisture is effectively avoided.
Description
Technical Field
The invention relates to the technical field of medium-voltage cable accessories, in particular to a reinforced waterproof medium-voltage cable accessory.
Background
The silicon rubber cold-contraction cable accessory is firstly manufactured into a semi-finished product by a mould in a factory, and then is formed by expanding the caliber and internally arranging a plastic spiral supporting sleeve. When the cable is used, the cold-contraction cable accessory is contracted onto the cable only by pulling out the plastic support sleeve, and the installation is finished. The conventional cold-shrinkable cable accessory is made of solid silicon rubber, so that the permanent deformation is large, the product has short storage period and small interface pressure on the cable, the sealing effect is not perfect, moisture or moisture is invaded, the service lives of the cable and the cable accessory are seriously influenced, and even breakdown accidents are seriously caused.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a reinforced waterproof medium voltage cable accessory, which is composed of a connection terminal, a sealing tube, a terminal main body, a cold-shrink insulating tube, and a cold-shrink three-prong finger sleeve, and after wrapping a sealing member with excellent waterproof sealing performance at the lap joint of each component, the components are integrated by using a waterproof sealant to prevent external moisture or moisture from invading, so that the sealing and waterproof are more stable and reliable, and thus, the breakdown accident of the cable accessory caused by the invasion of moisture or moisture is effectively avoided.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a strengthen waterproof middling pressure cable accessories, includes binding post, sealed tube, terminal main part, shrinkage insulating tube, shrinkage trident dactylotheca and sealing member, the inside cover of shrinkage trident dactylotheca is equipped with the cable, the cable runs through shrinkage insulating tube, terminal main part and sealed tube and binding post fixed connection, two liang of junctions of binding post, sealed tube, terminal main part, shrinkage insulating tube and shrinkage trident dactylotheca are located to the sealing member cover, sealing member includes the sleeve pipe body, set up the spiral on the sleeve pipe body inner wall and glue the groove, the spiral is glued inslot inside wall and is equipped with the bonding enhancement layer, spiral is glued groove one end top and is equipped with the mouth of gluing, it runs through the sleeve pipe body and extends to the sleeve pipe body outside to glue the mouth top, it is equipped with the mouth of gluing to glue the mouth top and fixes being.
In a preferred embodiment, the sealing tube is fixedly arranged at the bottom of the wiring terminal, the terminal body is fixedly arranged at the bottom of the sealing tube, the cold-shrink insulating tube is fixedly arranged at the bottom of the terminal body, and the cold-shrink three-finger sleeve is fixedly arranged at the bottom of the cold-shrink insulating tube.
In a preferred embodiment, the sealing tube, the terminal main body, the cold-shrink insulating tube, the cold-shrink three-finger sleeve and the sleeve body are all made of LSR liquid silicone rubber.
In a preferred embodiment, the terminal body is externally provided with a plurality of sheds, and the sheds are uniformly arranged from top to bottom and are integrally arranged with the terminal body.
In a preferred embodiment, the spiral glue adding groove is internally provided with waterproof sealant, the spiral glue adding groove is spirally arranged, and one end communicated with the glue adding opening is arranged at the top of the casing body.
In a preferred embodiment, the cross section of the glue adding opening is arranged in an arc shape, and one end of the spiral glue adding groove communicated with the cross section of the glue adding opening is tangentially arranged.
In a preferred embodiment, the inner wall of the glue adding nozzle is provided with an internal thread, the glue sealing head is specifically a screw, and the screw is in threaded connection with the glue adding nozzle.
In a preferred embodiment, the adhesion reinforcing layer is specifically formed by 3D weaving of activated carbon fibers, and the adhesion reinforcing layer is adhesively connected with the sleeve body.
The invention has the technical effects and advantages that:
1. the whole cable accessory consists of a wiring terminal, a sealing tube, a terminal main body, a cold-contraction insulating tube and a cold-contraction three-fork finger sleeve, and after the lap joint of each component is wrapped by the sealing component with excellent waterproof sealing performance, the component is integrated by using waterproof sealant to prevent external moisture or moisture from invading, so that the sealing and the water proofing are more stable and reliable, and the breakdown accident of the cable accessory caused by the invasion of the moisture or the moisture is effectively avoided;
2. through utilizing the spiral to add the setting in gluey groove, it sets up in spiral and adds gluey groove one end top and surely sets up with the spiral with gluey groove mutually to add gluey mouthful, and spiral adds gluey groove this end and sets up in sleeve pipe body top, it sets up to add gluey mouthful slope, convenient smooth and easy injecting glue more, and can not take place the injecting glue space, consequently when pouring into waterproof sealed glue, make waterproof sealed glue can flow in the other end from the spiral one end that adds gluey groove, thereby realize encircleing bonding sleeve pipe body and each part, used waterproof sealed glue is few, and realize the bonding of multilayer, whole bonding leads to appearing the not waterproof condition all not waterproof in whole junction soon after one side is waterproof among the prior art.
3. The screw is in threaded connection with the glue adding nozzle, the screw can seal the glue adding nozzle and extrude the filled waterproof sealant, so that the air in the waterproof sealant can be extruded and discharged, no gap exists in the waterproof sealant, and the sealing effect is good;
4. the whole cable accessory is made of LSR liquid silicone rubber, so that the cable accessory has high strength, excellent elasticity and small permanent deformation, and can provide large interface pressure and strengthen sealing when being installed on a cable;
the invention is suitable for cold-contraction cable terminals with different specifications, has wider application range, has the advantages of simple structure, reliable performance, excellent sealing performance, long service life and the like, and has practicability and popularization value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a longitudinal sectional view of the sealing member of the present invention.
Fig. 3 is a transverse cross-sectional view of a seal member of the present invention.
The reference signs are: 1 binding post, 2 sealed tubes, 3 terminal main parts, 4 shrinkage insulating tubes, 5 shrinkage trident dactylotheca, 6 sealing member, 7 cables, 8 sleeve pipe bodies, 9 spiral glue adding groove, 10 bonding enhancement layers, 11 glue adding mouth, 12 glue adding mouth, 13 glue sealing head, 14 full skirt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
according to the reinforced waterproof medium-voltage cable accessory shown in the figures 1-3, the cable accessory comprises a wiring terminal 1, a sealing tube 2, a terminal main body 3, a cold-contraction insulating tube 4, a cold-contraction trident fingerstall 5 and a sealing part 6, wherein the sealing tube 2 is fixedly arranged at the bottom of the wiring terminal 1, the terminal main body 3 is fixedly arranged at the bottom of the sealing tube 2, the cold-contraction insulating tube 4 is fixedly arranged at the bottom of the terminal main body 3, the cold-contraction trident fingerstall 5 is fixedly arranged at the bottom of the cold-contraction insulating tube 4, a cable 7 is sleeved inside the cold-contraction trident fingerstall 5, the cable 7 penetrates through the cold-contraction insulating tube 4, the terminal main body 3 and the sealing tube 2 to be fixedly connected with the wiring terminal 1, the sealing part 6 is sleeved at the joint of the wiring terminal 1, the sealing tube 2, the terminal main, a spiral glue adding groove 9 is formed in the inner wall of the sleeve body 8, a bonding reinforcing layer 10 is arranged on the inner side wall of the spiral glue adding groove 9, a glue adding opening 11 is formed in the top of one end of the spiral glue adding groove 9, the top end of the glue adding opening 11 penetrates through the sleeve body 8 and extends to the outside of the sleeve body 8, a glue adding nozzle 12 is arranged on the outer side of the glue adding opening 11, and a glue sealing head 13 is fixedly arranged at the top of the glue adding nozzle 12;
the sealing tube 2, the terminal main body 3, the cold-shrinkage insulating tube 4, the cold-shrinkage trident finger sleeve 5 and the sleeve body 8 are all made of LSR liquid silicone rubber;
the inner wall of the sealing part 6 at the joint of each component is attached to the outer wall of the joint.
Through 7 annexs of whole cable by binding post 1, sealed tube 2, terminal main part 3, shrinkage insulating tube 4, shrinkage trident dactylotheca 5 constitutes to wrap waterproof sealing performance's seal part 6 back in each component part overlap joint department, use waterproof sealed glue to make it become a whole, prevent external moisture or moisture invasion, make sealed waterproof more stable, reliable, thereby effectively avoid 7 annexs of cable to break down the accident because of moisture or moisture invasion cause.
Example 2:
according to the reinforced waterproof medium-voltage cable accessory shown in fig. 1, a plurality of sheds 14 are arranged outside the terminal main body 3, the sheds 14 are uniformly arranged from top to bottom and are integrally arranged with the terminal main body 3, the creepage distance is increased, and the rainproof and antifouling effects are also achieved;
according to the reinforced waterproof medium-voltage cable accessory shown in fig. 2-3, the spiral glue adding groove 9 is internally provided with waterproof sealant, the spiral glue adding groove 9 is spirally arranged, and one end communicated with the glue adding port 11 is arranged at the top of the sleeve body 8, so that glue can be injected conveniently;
according to the reinforced waterproof medium-voltage cable accessory shown in fig. 3, the section of the glue adding opening 11 is arc-shaped, and is tangentially arranged at one end of the spiral glue adding groove 9 communicated with the glue adding opening, so that the glue adding opening 11 is obliquely arranged, glue is injected more conveniently and smoothly, no glue injection gap is generated, and the use is very convenient;
according to the reinforced waterproof medium-voltage cable accessory shown in fig. 2, the inner wall of the glue adding nozzle 12 is provided with an internal thread, the glue sealing head 13 is specifically a screw, the screw is in threaded connection with the glue adding nozzle 12, the screw can seal the glue adding nozzle 12 and extrude full waterproof sealant, so that the air in the waterproof sealant can be extruded and discharged, no gap exists in the waterproof sealant, and the sealing effect is good;
the bonding reinforced layer 10 is formed by weaving activated carbon fibers in a 3D mode, and the bonding reinforced layer 10 is connected with the sleeve pipe body 8 in a bonding mode and used for enabling the whole sealing component 6 to be connected with all the components more tightly.
The working principle of the invention is as follows:
referring to the attached figure 1 of the specification, when in use, the wiring terminal 1, the sealing tube 2, the terminal main body 3, the cold-shrink insulating tube 4 and the cold-shrink three-fork finger sleeve 5 can be combined and connected, and then the lap joints of the components are wrapped by the sealing component 6 with excellent waterproof sealing performance, and then the components are integrated into a whole by using waterproof sealant to prevent external moisture or moisture from entering;
referring to the attached drawings 2-3 of the specification, when the sealing part 6 is installed, the sealing part is sleeved to a proper position, the glue adding nozzle 12 is arranged upwards, then the waterproof sealing glue is filled into the spiral glue adding groove 9 through the glue adding nozzle 12, the waterproof sealing glue slowly flows downwards from the top until the whole spiral glue adding groove 9 is filled, the other end of the spiral glue adding groove 9 is stopped, then a screw is installed on the glue adding nozzle 12, the inner cavity of the spiral glue adding groove 9 is compressed, bubbles in the waterproof sealing glue are extruded until the screw is screwed, and the installation is finished after the waterproof sealing glue is completely solidified.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a strengthen waterproof medium voltage cable accessories, includes binding post (1), sealed tube (2), terminal subject (3), shrinkage insulating tube (4), shrinkage trident dactylotheca (5) and seal part (6), its characterized in that: the cold-contraction three-fork fingerstall is characterized in that a cable (7) is sleeved inside the cold-contraction three-fork fingerstall (5), the cable (7) penetrates through a cold-contraction insulating tube (4), a terminal main body (3), a sealing tube (2) and a wiring terminal (1) to be fixedly connected, every two joints of the wiring terminal (1), the sealing tube (2), the terminal main body (3), the cold-contraction insulating tube (4) and the cold-contraction three-fork fingerstall (5) are sleeved with a sealing part (6), the sealing part (6) comprises a sleeve body (8), a spiral glue adding groove (9) is formed in the inner wall of the sleeve body (8), a glue bonding reinforcing layer (10) is arranged on the inner side wall of the spiral glue adding groove (9), a glue adding opening (11) is formed in the top of one end of the spiral glue adding groove (9), the top end of the glue adding opening (11) penetrates through the sleeve body (8) and extends to the outer, the top of the glue adding nozzle (12) is fixedly provided with a glue sealing head (13).
2. A reinforced waterproof medium voltage cable accessory according to claim 1, characterized in that: the sealing tube (2) is fixedly arranged at the bottom of the wiring terminal (1), the terminal body (3) is fixedly arranged at the bottom of the sealing tube (2), the cold-shrink insulating tube (4) is fixedly arranged at the bottom of the terminal body (3), and the cold-shrink three-fork finger sleeve (5) is fixedly arranged at the bottom of the cold-shrink insulating tube (4).
3. A reinforced waterproof medium voltage cable accessory according to claim 1, characterized in that: the sealing tube (2), the terminal main body (3), the cold-contraction insulating tube (4), the cold-contraction three-fork finger sleeve (5) and the sleeve body (8) are all made of LSR liquid silicone rubber.
4. A reinforced waterproof medium voltage cable accessory according to claim 1, characterized in that: the terminal body (3) outside is equipped with a plurality of full skirts (14), and is a plurality of full skirt (14) from the top down evenly sets up and set up with terminal body (3) integration.
5. A reinforced waterproof medium voltage cable accessory according to claim 1, characterized in that: the spiral glue adding groove (9) is internally provided with waterproof sealant, the spiral glue adding groove (9) is arranged to be spiral, and one end communicated with the glue adding opening (11) is arranged at the top of the sleeve body (8).
6. A reinforced waterproof medium voltage cable accessory according to claim 5, wherein: the cross section of the glue adding opening (11) is arc-shaped, and one end of the spiral glue adding groove (9) communicated with the glue adding opening is tangent to the arc-shaped cross section.
7. A reinforced waterproof medium voltage cable accessory according to claim 1, characterized in that: the inner wall of the glue adding nozzle (12) is provided with internal threads, the glue sealing head (13) is specifically a screw, and the screw is in threaded connection with the glue adding nozzle (12).
8. A reinforced waterproof medium voltage cable accessory according to claim 1, characterized in that: the bonding reinforcing layer (10) is formed by 3D weaving of activated carbon fibers, and the bonding reinforcing layer (10) is connected with the sleeve body (8) in a bonding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123681.3A CN111585240A (en) | 2019-02-19 | 2019-02-19 | Reinforced waterproof medium-voltage cable accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123681.3A CN111585240A (en) | 2019-02-19 | 2019-02-19 | Reinforced waterproof medium-voltage cable accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111585240A true CN111585240A (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910123681.3A Pending CN111585240A (en) | 2019-02-19 | 2019-02-19 | Reinforced waterproof medium-voltage cable accessory |
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| Country | Link |
|---|---|
| CN (1) | CN111585240A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2746295A1 (en) * | 1977-10-13 | 1979-04-19 | Aeg Telefunken Kabelwerke | Terminal bushing for power cables - with synthetic insulation and wire earth contact to base of insulator |
| CN201860080U (en) * | 2010-11-11 | 2011-06-08 | 无锡市沪安电线电缆有限公司 | Reinforced sealed type full-shrink cable accessory |
| CN206697871U (en) * | 2017-04-21 | 2017-12-01 | 国网河南省电力公司桐柏县供电公司 | A kind of cable and steel pipe gap plugging device |
| CN207819416U (en) * | 2018-02-02 | 2018-09-04 | 天津艾利德电气设备制造有限公司 | A kind of water-proof cable terminal |
-
2019
- 2019-02-19 CN CN201910123681.3A patent/CN111585240A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2746295A1 (en) * | 1977-10-13 | 1979-04-19 | Aeg Telefunken Kabelwerke | Terminal bushing for power cables - with synthetic insulation and wire earth contact to base of insulator |
| CN201860080U (en) * | 2010-11-11 | 2011-06-08 | 无锡市沪安电线电缆有限公司 | Reinforced sealed type full-shrink cable accessory |
| CN206697871U (en) * | 2017-04-21 | 2017-12-01 | 国网河南省电力公司桐柏县供电公司 | A kind of cable and steel pipe gap plugging device |
| CN207819416U (en) * | 2018-02-02 | 2018-09-04 | 天津艾利德电气设备制造有限公司 | A kind of water-proof cable terminal |
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Application publication date: 20200825 |
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| RJ01 | Rejection of invention patent application after publication |