CN204190338U - A kind of cable via seal guard member - Google Patents
A kind of cable via seal guard member Download PDFInfo
- Publication number
- CN204190338U CN204190338U CN201420196906.0U CN201420196906U CN204190338U CN 204190338 U CN204190338 U CN 204190338U CN 201420196906 U CN201420196906 U CN 201420196906U CN 204190338 U CN204190338 U CN 204190338U
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- CN
- China
- Prior art keywords
- cable
- elastic packing
- sheath
- polyamide skeleton
- packing sheath
- 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
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Abstract
A kind of cable via seal guard member, it comprises polyamide skeleton, clamp nut and elastic packing sheath, and described polyamide skeleton is ring-type, and is provided with external screw thread on its external wall, and the lower end of described polyamide skeleton is provided with outer; It is placed on cable, its threaded portion and clamp nut threaded engagement; Described elastic packing sheath is tightly placed in the outside of cable, and its upper surface is coated on the outer of polyamide skeleton.The utility model not only can effectively prevent external humidification from entering inside electric appliance, ensures the normal operation of electric equipment, and structure is simple, convenient for installation and maintenance, significantly reduces the construction cost of power supply facilities.
Description
Technical field
The utility model relates to a kind of cable seal protective jacket, and a kind of especially cable for sealing electrical equipment box body goes out or the device of entrance hole, belongs to field of cable technology.
Background technology
The equipment facility that some and the cable such as cable distribution box, high-low voltage electric power distribution cabinet are used in combination, often there are some sealing problems, causes the moisture of underground through the operation of cable aperture access arrangement internal influence electric equipment in the cable of its inside or electric outlet hole.In the cable trough of particularly outdoor electricity distribution equipment, when rainwater is large, there are current and enter the situation forming ponding in cable trough, very easily cause the generation of distribution accident.At present, to the moisture protection of cable aperture, be divided into three kinds substantially:
One. adopt fire-proof mud to carry out shutoff cable aperture.This fire-proof mud is also organic/inorganic fire prevention calking, and it has softened when summer, the characteristic of shrinking when weather is cool, but easily forms crack after it shrinks, and affects sealing.
Two. adopt blowing agent that cable aperture is blocked.This method for blocking permeability resistance is poor, should not be used for tidal defense engineering.
Three. adopt fireproof seal gum or cement etc., but its effect is all undesirable and be unfavorable for the safe operation of equipment, a large amount of work is brought to later maintenance.
Several method in sum, and the moisture protection to cable aperture cannot be reached preferably, so insider is simple, easy to maintenance in the urgent need to a kind of structure, and the device of cable aperture protection against the tide can be effective to.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of good sealing effect, low cost of manufacture and be convenient to safeguard cable via seal guard member.
Problem described in the utility model is solved by following technical scheme:
A kind of cable via seal guard member, it comprises polyamide skeleton, clamp nut and elastic packing sheath, and described polyamide skeleton is ring-type, and is provided with external screw thread on its external wall, and the lower end of described polyamide skeleton is provided with outer; It is placed on cable, its threaded portion and clamp nut threaded engagement; Described elastic packing sheath is tightly placed in the outside of cable, and its upper surface is coated on the outer of polyamide skeleton.
Above-mentioned cable via seal guard member, set up seal gasket, described seal gasket is loop configuration, is arranged between elastic packing sheath and clamp nut.
Above-mentioned cable via seal guard member, set up reducing transition sheath, described reducing transition sheath comprises transition connecting pipe and minor diameter elastic packing sheath, described transition connecting pipe is between cable and elastic packing sheath, one end of described minor diameter elastic packing sheath is tightly placed in the outside of transition connecting pipe and elastic packing sheath, and the other end is directly tightly placed on cable.
Above-mentioned cable via seal guard member, described elastic packing sheath and minor diameter elastic packing sheath support by helical form plastic support bar in a pre-installation.
The utility model utilizes polyamide skeleton, ring packing rubber cushion and elastic packing sheath to seal cable aperture, not only can effectively prevent external humidification from entering inside electric appliance, ensure the normal operation of electric equipment, and structure is simple, convenient for installation and maintenance, significantly reduce the construction cost of power supply facilities.In addition, because elastic packing sheath is cold events formula structure, so without the need to worrying that it is because moving or bending after installing, and affect the sealing of cable.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is that Fig. 1 does not remove plastic support bar structural representation;
Fig. 3 is clamp nut and polyamide skeleton thread matching structure schematic diagram;
Fig. 4 is polyamide skeleton structural representation;
Fig. 5 is clamp nut structural representation.
In figure, each list of reference numerals is: 1. polyamide skeleton, 2. clamp nut, 3. seal gasket, 4. elastic packing sheath, 5. transition connecting pipe, 6. minor diameter elastic packing sheath, 7. cable, 8. sealing tank wall, 9. helical form plastic support bar.
Embodiment
Referring to Fig. 1 ~ Fig. 5, the utility model mainly consists of the following components:
1. polyamide skeleton 1: it is bolt type structure, Main Function coordinates clamp nut to fix, and elastic packing sheath compression be attached to below seal gasket 3.
2. seal gasket: for preventing the panel beating burr injury elastic packing sheath sealed on tank wall 8, in addition, effectively can also strengthen and sealing the sealing between tank wall 8.It is after being fixed by clamp nut, around the airtight cable aperture being attached to sealing tank wall 8 tightly.
3. clamp nut: Main Function coordinates polyamide skeleton to fix elastic packing sheath, makes it fasteningly be pressed on cable aperture place.
4. elastic packing sheath: be utilize elastomeric material (conventional has silicon rubber and ethylene-propylene rubber) to inject sulfidization molding in factory, then through parts that are expanding, that serve as a contrast spirally plastic support bar formation.Sealing chilling shrink type cable accessory one end is held on polyamide skeleton, make it can lean on the fastening force hermetically-sealed cable hole of polyamide skeleton and clamp nut, support by the plastic spiral bar in shrinkage annex below, these predilation parts are enclosed within cable end piece after treatment or joint, extract the plastic spiral bar (supporter) of inner support out, be pressed on cable insulation.Because elastic packing sheath is at normal temperatures by elastic recovery force, Cold-contraction cable accessory has the advantages such as volume is little, easy to operate, rapid, wide and product specification is few without the need to specific purpose tool, the scope of application.During in-site installation, first polyamide skeleton is pushed cable aperture, the clamp nut tightened above is fixed, construction cable passes through from polyamide skeleton, after cable construction, extracting helical form plastic support bar out from below can allow elastomeric material burden tightly on the insulating barrier of cable, thus plays the effect of sealing.
5. reducing transition sheath: when some cable 6 diameters are less than normal, depend merely on polyamide skeleton, clamp nut, seal gasket and elastic packing sheath and effectively can not hold cable tightly, sealing property can not get good guarantee, therefore set up transition connecting pipe and minor diameter elastic packing sheath, make it after secondary shrinks, hold cable 6 tightly, increase the dynamics of holding tightly to cable and tightness.
During in-site installation, first the threaded portion of polyamide skeleton 1 is pushed the cable aperture on sealing tank wall 8, the clamp nut tightened above is fixed, cable 7 passes through from polyamide skeleton 1, after cable construction, extract helical form plastic support bar 9 from below out and can allow elastic packing sheath being wrapped on the external insulation layer of cable tightly, thus play the effect of sealing.When running into small diameter cable, transition connecting pipe 5 is enclosed within cable 7, make one end that elastic packing sheath 4 and cable 7 insulating barrier tightly overlap, be tightly placed on transition connecting pipe 5, one end of minor diameter elastic packing sheath 6 is tightly placed in elastic packing sheath 4 with on transition connecting pipe 5, the other end is tightly placed on cable 7 again.
Claims (4)
1. a cable via seal guard member, it is characterized in that: it comprises polyamide skeleton (1), clamp nut (2) and elastic packing sheath (4), described polyamide skeleton (1) is circulus, and its outer wall is provided with external screw thread, and bottom is provided with outer; Described polyamide skeleton (1) and clamp nut (2) threaded engagement; One end of described elastic packing sheath (4) is coated on the outer of polyamide skeleton (1), and the other end is tightly placed on cable (7).
2. cable via seal guard member according to claim 1, it is characterized in that: set up seal gasket (3), described seal gasket (3) is annular, is arranged between elastic packing sheath (4) and clamp nut (2).
3. cable via seal guard member according to claim 1 and 2, it is characterized in that: set up reducing transition sheath, described reducing transition sheath comprises transition connecting pipe (5) and minor diameter elastic packing sheath (6), described transition connecting pipe (5) is positioned between cable (7) and elastic packing sheath (4), one end of described minor diameter elastic packing sheath (6) is tightly placed in the outside of transition connecting pipe (5) and elastic packing sheath (4), and the other end is directly tightly placed on cable (7).
4. cable via seal guard member according to claim 3, is characterized in that: described elastic packing sheath (4) and minor diameter elastic packing sheath (6) inside are equipped with helical form plastic support bar (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196906.0U CN204190338U (en) | 2014-04-22 | 2014-04-22 | A kind of cable via seal guard member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196906.0U CN204190338U (en) | 2014-04-22 | 2014-04-22 | A kind of cable via seal guard member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190338U true CN204190338U (en) | 2015-03-04 |
Family
ID=52622309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196906.0U Expired - Fee Related CN204190338U (en) | 2014-04-22 | 2014-04-22 | A kind of cable via seal guard member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257912A (en) * | 2015-11-11 | 2016-01-20 | 何亮 | Cable inlet sealing structure of distribution box |
-
2014
- 2014-04-22 CN CN201420196906.0U patent/CN204190338U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257912A (en) * | 2015-11-11 | 2016-01-20 | 何亮 | Cable inlet sealing structure of distribution box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 071051 Hebei Province, Baoding City Heng Road No. 118 Patentee after: DINYOUNG ELECTRONIC TECHNOLOGY SERVICE CO.,LTD. Address before: Baoding City, Hebei province 071000 West Development Zone No. 118, constant Patentee before: DINYOUNG POWER TECHNOLOGY SERVICES Co.,Ltd. |
|
| 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: 20150304 |