CN108054714A - A kind of Novel cable line sealing structure - Google Patents
A kind of Novel cable line sealing structure Download PDFInfo
- Publication number
- CN108054714A CN108054714A CN201810030738.0A CN201810030738A CN108054714A CN 108054714 A CN108054714 A CN 108054714A CN 201810030738 A CN201810030738 A CN 201810030738A CN 108054714 A CN108054714 A CN 108054714A
- Authority
- CN
- China
- Prior art keywords
- cable
- gasket
- pressing plate
- bearing gasket
- bearing
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 239000004519 grease Substances 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- 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
- H02G15/013—Sealing means for cable inlets
-
- 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
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
- H02G15/32—Cable inlets
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
A kind of Novel cable line sealing structure, including grease chamber housing, grease chamber housing is equipped with threading hole, threading hole is by being divided into spaced level-one step surface, two stage steps face and three-level step surface outside interior, coordinate lower pressure-bearing gasket on level-one step surface, middle part pressure-bearing gasket is coordinated on two stage steps face, three-level step exposes to grease chamber surface of shell, cable pressing plate is combined with thereon, and cable pressing plate is fixed on by fastener on grease chamber housing；It is equipped with cable cramp, Upper gasket and upper gasket between cable pressing plate and middle part pressure-bearing gasket successively from top to bottom, lower seal pad is equipped between middle part pressure-bearing gasket and lower pressure-bearing gasket；The upper gasket of middle part pressure-bearing gasket upper surface support, lower surface push lower seal pad；Cable cramp is equipped with annular protrusion, and annular protrusion is pierced by cable pressing plate, and annular protrusion is tapered, and coordinates with cable pressing plate inclined-plane.The cable sealing structure of this programme has the advantages that triple seal, anti-lifting, occupies little space.
Description
Technical field
The invention belongs to deep-well pump technical fields, refer in particular to a kind of Novel cable line sealing structure.
Background technology
At present, deep well pump cable sealing structure mainly has integrated vulcanizing cable, epoxy line and rubber seal line, still
With the market demand, deep well pump size is less and less or increasing, on integrated vulcanizing line and epoxy linear dimension, technique
On upper, mechanical structure, spatially all no longer can special meet demand.
The content of the invention
The object of the present invention is to provide a kind of Novel cable line sealing structures, and it is existing to solve less than 2.5 inches deep well pumps
Cable sealing structure can not lift, and cable is fragile, the flimsy problem of sealing.
The object of the present invention is achieved like this：A kind of Novel cable line sealing structure, including grease chamber housing, grease chamber housing
It is equipped with threading hole, it is characterised in that：Threading hole is by being divided into spaced level-one step surface, two stage steps face and three outside interior
Grade step surface, the lower pressure-bearing gasket of cooperation on level-one step surface, cooperation middle part pressure-bearing gasket on two stage steps face, three-level step are exposed
In grease chamber surface of shell, cable pressing plate is combined with thereon, and cable pressing plate is fixed on by fastener on grease chamber housing；
It is equipped with cable cramp, Upper gasket and upper gasket between cable pressing plate and middle part pressure-bearing gasket successively from top to bottom,
Lower seal pad is equipped between middle part pressure-bearing gasket and lower pressure-bearing gasket；The upper gasket of middle part pressure-bearing gasket upper surface support, following table
Face pushes lower seal pad；Cable cramp is equipped with annular protrusion, and annular protrusion is pierced by cable pressing plate, and annular protrusion is tapered, and with
Cable pressing plate inclined-plane coordinates；
Cable sheath layer is passed down through annular protrusion, lower gasket, and seals and coordinate with upper gasket；Cable sheath layer
Interior cable line insulating layer is passed down through middle part pressure-bearing gasket, lower seal pad, lower pressure-bearing gasket, and connects grease chamber internal circuit.
Wherein, the lower seal pad hardness is less than upper gasket.
Wherein, the annular protrusion inner wall axial alignment has dentation groove.
Wherein, hole section of the threading hole between three-level step surface and two stage steps face is big hole section, in two stage steps
Hole section between face and level-one step surface is aperture section, and cable cramp, Upper gasket, outer diameter and the big hole section size of upper gasket are fitted
Match somebody with somebody, outer diameter and the aperture section size fit of lower seal pad and lower pressure-bearing gasket；The middle part pressure-bearing gasket top sets and is stuck in two
Annular flange on grade step surface, middle part pressure-bearing gasket lower part is plugged in aperture section.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：
1st, the ramp structure on the outside of annular protrusion is during cable pressing plate axially pushes so that annular protrusion radial compression
Cable sheath layer, provides deep well pump cable and is lifted and do not pull pulling force, the dentation groove knot that pulling force passes through endoporus not wind-force
Structure, pulling force are formed simultaneously the sealing structure that restrictive coating and insulating layer radially mutually squeeze up to 3 times of power of pump weight itself；
2nd, by cable cramp, Upper gasket, upper gasket, middle part pressure-bearing gasket transfers force compresses lower seal pad, under
Pressure-bearing gasket carries pressure, and lower seal pad is prevented to come off, and forms the sealing of cable line insulating layer；Reaching prevents outside water from entering electricity
Water and the mutual isolation inside motor are realized in machine cavity body, the not excessive effect of machine cavity oil.
3rd, lower seal pad hardness is less than upper gasket, admittedly lower seal pad must be first compressed, when lower seal pad is compressed to position, middle part
Annular flange on pressure-bearing gasket is contradicted on two stage steps face, is no longer moved down, and prevents lower seal pad overcompression, ensures pressure
Contracting amount；At this point, upper gasket is compressed, the sealing of cable sheath layer is formed, reaching prevents external water from entering cable shield
Between jacket layer and insulating layer, ensure that cable is internally dry, also reach water and two sealings of isolation inside motor.
4th, this structure has benefited from structural advantage, and occupied space is especially small, is less than 2.5 inches size deep well pumps or small-sized
Immersible pump provides a kind of feasible reliable cable sealing means.
Description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is Cable structure figure of the present invention.
Reference numeral：1st, grease chamber housing；2nd, threading hole；3rd, lower pressure-bearing gasket；4th, lower seal pad；5th, middle part pressure-bearing gasket；
5a, annular flange；6th, upper gasket；7th, Upper gasket；8th, cable cramp；8a, annular protrusion；8b, dentation groove；9th, cable pressure
Plate；10th, fastener；A, level-one step surface；B, two stage steps face；C, three-level step surface；X, cable；Xa, cable sheath layer；
Xb, cable line insulating layer；Xc, cable wire core.
Specific embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings, referring to Fig. 1-3：
A kind of Novel cable line sealing structure, including grease chamber housing 1, grease chamber housing 1 is equipped with threading hole 2, and feature exists
In：Threading hole 2 is by being divided into spaced level-one step surface A, two stage steps face B and three-level step surface C, level-one step outside interior
Coordinate lower pressure-bearing gasket 3 on the A of face, coordinate middle part pressure-bearing gasket 5 on the B of two stage steps face, three-level step exposes to 1 table of grease chamber housing
Face, is combined with cable pressing plate 9 thereon, and cable pressing plate 9 is fixed on by fastener 10 on grease chamber housing 1；
It is equipped with cable cramp 8, Upper gasket 7 and upper sealing between cable pressing plate 9 and middle part pressure-bearing gasket 5 successively from top to bottom
Pad 6 is equipped with lower seal pad 4 between middle part pressure-bearing gasket 5 and lower pressure-bearing gasket 3；It is sealed in the support of 5 upper surface of middle part pressure-bearing gasket
Pad 6, lower surface push lower seal pad 4；Cable cramp 8 is equipped with annular protrusion 8a, and annular protrusion 8a is pierced by cable pressing plate 9, annular
Raised 8a is tapered, and coordinates with 9 inclined-plane of cable pressing plate；
Cable sheath layer Xa is passed down through annular protrusion 8a, lower gasket, and seals and coordinate with upper gasket 6；Cable
Cable line insulating layer Xb in restrictive coating Xa is passed down through middle part pressure-bearing gasket 5, lower seal pad 4, lower pressure-bearing gasket 3, and connects
Grease chamber internal circuit.
Wherein, 4 hardness of lower seal pad is less than upper gasket 6.
Wherein, the annular protrusion 8a inner wall axial alignments have dentation groove 8b.
Wherein, hole section of the threading hole 2 between three-level step surface C and two stage steps face B is big hole section, in two level platform
Hole section between terrace B and level-one step surface A is aperture section, cable cramp 8, Upper gasket 7, the outer diameter and macropore of upper gasket 6
The outer diameter of section size fit, lower seal pad 4 and lower pressure-bearing gasket 3 and aperture section size fit；5 top of middle part pressure-bearing gasket
The annular flange 5a being stuck on the B of two stage steps face is set, and pressure-bearing gasket 5 lower part in middle part is plugged in aperture section.
This programme has following technique effect：
1st, the ramp structure on the outside of annular protrusion 8a is during the axial pushing of cable pressing plate 9 so that annular protrusion 8a footpaths
To compression cable line restrictive coating Xa, deep well pump cable is provided is lifted and do not pull pulling force, the tooth that pulling force passes through endoporus not wind-force
Shape groove 8b structures, pulling force are formed simultaneously the sealing that sheath was once radially mutually squeezed with insulating layer up to 3 times of power of pump weight itself
Structure；
2nd, cable cramp 8, Upper gasket 7, upper gasket 6,5 transfers force compresses lower seal pad of middle part pressure-bearing gasket are passed through
4, lower pressure-bearing gasket 3 carries pressure, and lower seal pad 4 is prevented to come off, and forms the sealing of cable line insulating layer Xb；Reach prevention outside
Water enters machine cavity, and water and the mutual isolation inside motor are realized in the not excessive effect of machine cavity oil.
3rd, 4 hardness of lower seal pad is less than upper gasket 6, admittedly lower seal pad 4 must be first compressed, when lower seal pad 4 is compressed in place,
Annular flange 5a on middle part pressure-bearing gasket 5 is contradicted on the B of two stage steps face, is no longer moved down, and prevents 4 overvoltage of lower seal pad
Contracting ensures decrement；At this point, upper gasket 6 is compressed, the sealing of cable sheath layer Xa is formed, reaching prevents external water
Into between cable sheath layer Xa and insulating layer, ensureing that cable is internally dry, also reach the two of water and isolation inside motor
Road seals.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, should all be covered by within protection scope of the present invention.
Claims (4)
1. a kind of Novel cable line sealing structure, including grease chamber housing (1), grease chamber housing (1) is equipped with threading hole (2), special
Sign is：Threading hole (2) is by being divided into spaced level-one step surface (A), two stage steps face (B) and three-level step surface outside interior
(C), lower pressure-bearing gasket (3), cooperation middle part pressure-bearing gasket (5), three-level on two stage steps face (B) are coordinated on level-one step surface (A)
Step exposes to grease chamber housing (1) surface, is combined with cable pressing plate (9) thereon, and cable pressing plate (9) is fixed by fastener (10)
On grease chamber housing (1)；
It is equipped with cable cramp (8), Upper gasket (7) and upper between cable pressing plate (9) and middle part pressure-bearing gasket (5) successively from top to bottom
Gasket (6) is equipped with lower seal pad (4) between middle part pressure-bearing gasket (5) and lower pressure-bearing gasket (3)；On middle part pressure-bearing gasket (5)
Gasket (6), lower surface push lower seal pad (4) in surface support；Cable cramp (8) is equipped with annular protrusion (8a), convex annular
It plays (8a) and is pierced by cable pressing plate (9), annular protrusion (8a) is tapered, and coordinates with cable pressing plate (9) inclined-plane；
Cable sheath layer (Xa) is passed down through annular protrusion (8a), lower gasket, and seals and coordinate with upper gasket (6)；Cable
Cable line insulating layer (Xb) in line restrictive coating (Xa) is passed down through middle part pressure-bearing gasket (5), lower seal pad (4), lower pressure-bearing pad
Piece (3), and connect grease chamber internal circuit.
2. a kind of Novel cable line sealing structure according to claim 1, it is characterised in that：The lower seal pad (4) is hard
Degree is less than upper gasket (6).
3. a kind of Novel cable line sealing structure according to claim 1, it is characterised in that：In the annular protrusion (8a)
Wall axial alignment has dentation groove (8b).
4. a kind of Novel cable line sealing structure according to claim 1, it is characterised in that：The threading hole (2) is three
Hole section between grade step surface (C) and two stage steps face (B) is big hole section, two stage steps face (B) and level-one step surface (A) it
Between hole section for aperture section, cable cramp (8), Upper gasket (7), outer diameter and the big hole section size fit of upper gasket (6), under it is close
Packing (4) and the outer diameter of lower pressure-bearing gasket (3) and aperture section size fit；Middle part pressure-bearing gasket (5) top sets and is stuck in
Annular flange (5a) on two stage steps face (B), middle part pressure-bearing gasket (5) lower part are plugged in aperture section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030738.0A CN108054714B (en) | 2018-01-12 | 2018-01-12 | Novel cable conductor seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030738.0A CN108054714B (en) | 2018-01-12 | 2018-01-12 | Novel cable conductor seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054714A true CN108054714A (en) | 2018-05-18 |
| CN108054714B CN108054714B (en) | 2024-03-26 |
Family
ID=62127142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810030738.0A Active CN108054714B (en) | 2018-01-12 | 2018-01-12 | Novel cable conductor seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108054714B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232217A (en) * | 2008-01-14 | 2008-07-30 | 浙江大元泵业有限公司 | Leak-proof cable connection sealing device |
| CN201781360U (en) * | 2010-07-30 | 2011-03-30 | 台州神能电器有限公司 | Cable anti-water sealing device for deepwater pump motor |
| CN201946850U (en) * | 2010-12-15 | 2011-08-24 | 中航光电科技股份有限公司 | Coaxial connector for preventing contact element from tilting |
| WO2011151265A2 (en) * | 2010-05-31 | 2011-12-08 | R. Stahl Schaltgeräte GmbH | Cable feedthrough for a pressure-proof enclosure |
| CN202142832U (en) * | 2011-08-16 | 2012-02-08 | 中国石油天然气股份有限公司 | High voltage threading sealing component for oil-submersible servo motor |
| CN203674678U (en) * | 2013-10-29 | 2014-06-25 | 台州凌霄泵业有限公司 | Twin-cable joint sealing structure |
| CN107546708A (en) * | 2017-10-18 | 2018-01-05 | 周海云 | Anti-explosion cable introducing device |
| CN207652004U (en) * | 2018-01-12 | 2018-07-24 | 浙江大元泵业股份有限公司 | A kind of Novel cable line sealing structure |
-
2018
- 2018-01-12 CN CN201810030738.0A patent/CN108054714B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232217A (en) * | 2008-01-14 | 2008-07-30 | 浙江大元泵业有限公司 | Leak-proof cable connection sealing device |
| WO2011151265A2 (en) * | 2010-05-31 | 2011-12-08 | R. Stahl Schaltgeräte GmbH | Cable feedthrough for a pressure-proof enclosure |
| CN201781360U (en) * | 2010-07-30 | 2011-03-30 | 台州神能电器有限公司 | Cable anti-water sealing device for deepwater pump motor |
| CN201946850U (en) * | 2010-12-15 | 2011-08-24 | 中航光电科技股份有限公司 | Coaxial connector for preventing contact element from tilting |
| CN202142832U (en) * | 2011-08-16 | 2012-02-08 | 中国石油天然气股份有限公司 | High voltage threading sealing component for oil-submersible servo motor |
| CN203674678U (en) * | 2013-10-29 | 2014-06-25 | 台州凌霄泵业有限公司 | Twin-cable joint sealing structure |
| CN107546708A (en) * | 2017-10-18 | 2018-01-05 | 周海云 | Anti-explosion cable introducing device |
| CN207652004U (en) * | 2018-01-12 | 2018-07-24 | 浙江大元泵业股份有限公司 | A kind of Novel cable line sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108054714B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110676781A (en) | Pressure-resistant sealing structure of watertight cabin-penetrating joint and manufacturing method | |
| CN207652004U (en) | A kind of Novel cable line sealing structure | |
| CN203445586U (en) | Waterproof cable joint with cable protection device | |
| CN108054714A (en) | A kind of Novel cable line sealing structure | |
| CN210490369U (en) | Pressure-resistant sealing structure of watertight cabin-penetrating joint | |
| CN203180207U (en) | Waterproof plug and socket | |
| CN202663080U (en) | Self-sealing device for cable in high-pressure oil well | |
| CN201734513U (en) | Ceramic electric kettle | |
| CN219458643U (en) | Cable waterproof structure for water pump | |
| CN217814017U (en) | Sealing structure of water pump top cover and cable | |
| CN210034407U (en) | Packing sealing device | |
| CN209056869U (en) | A kind of sealing structure of submersible electric pump cable | |
| CN203374994U (en) | Seal assembly for inserting connection of heat pipe and water tank | |
| CN207161708U (en) | Motor compressor controller sealing gasket | |
| CN206111592U (en) | Deep -well pump | |
| CN105822528B (en) | diaphragm pump and water purifier | |
| CN218182988U (en) | Submersible electric pump with cable sealing structure | |
| CN204533808U (en) | Glue dispensing valve auto-compensation Furtulon black box | |
| CN219917550U (en) | Waterproof cavity filter | |
| CN214837514U (en) | Sealing structure of sealing washer | |
| CN209324304U (en) | Plunger Lift oil/gas well wellhead assembly and Plunger Lift oil/gas well | |
| CN215419536U (en) | Cable sealing connection structure for water pump | |
| CN211175349U (en) | Sealing washer for induction type faucet | |
| CN203584875U (en) | Sealing device of submersible pump | |
| CN217756682U (en) | Dustproof and waterproof device for jack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |