CN105490241B - Pipe jacket-type plugging device - Google Patents
Pipe jacket-type plugging device Download PDFInfo
- Publication number
- CN105490241B CN105490241B CN201610017596.5A CN201610017596A CN105490241B CN 105490241 B CN105490241 B CN 105490241B CN 201610017596 A CN201610017596 A CN 201610017596A CN 105490241 B CN105490241 B CN 105490241B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cable
- plugging device
- pipe jacket
- type plugging
- 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
Links
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
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of jacket-type plugging device, including：First sleeve, second sleeve and lip ring.First sleeve has the opening that current supply cable passes through；The second sleeve has the opening that current supply cable pipeline passes through, and second sleeve forms the space for accommodating the lip ring with the first sleeve connection；The lip ring is used to seal the gap between first sleeve and second sleeve and cable and cable channel, therefore, pipe jacket-type plugging device is realized to block the integral type of cable and cable channel and sealed, so as to effectively prevent water droplet or foreign matter from entering in cable channel from cable or cable channel outer wall to trigger power cable fault.
Description
Technical field
The invention discloses a kind of pipe jacket-type plugging device, belong to laying cable equipment technical field.
Background technology
In order to prevent water, mouse and other foreign matters from entering cable channel internal sabotage cable, it is necessary to be mended to cable channel
Leakage and closure.Common mending-leakage and the mode of closure have：Fire-proof mud, pipe plugging rubber pneumatic bag and other be placed in inside pipeline
Plugging device etc..Traditional fire-proof mud price is low, but easily solidification cracking, fixing seal persistence are poor；Pipe plugging rubber pneumatic bag and
Other ductus arteriosus occluder effects being placed in inside pipeline are better than traditional fire-proof mud, but need to be placed in closure rubber pneumatic bag or plugging device
Closure is realized between cable and cable channel inwall, it is smaller or gap between cable and cable channel is smaller for pipe diameter
When, above-mentioned pipe plugging rubber pneumatic bag and other plugging devices being placed in inside pipeline can not be inserted between cable and cable channel
In gap, therefore, it is impossible to reach closure purpose.
The pipe jacket-type plugging device of prior art, as Publication No. CN102882177 patent documents disclose a kind of open air
Cable protection pipe outlet insulation block head, it includes overcoat, silicon rubber inner liner and bolt and formed.The both sides edge of overcoat is set
There is locking edge, the through hole for being passed through for bolt and overcoat being fixed on to pipeline exit, overcoat and locking edge are provided with locking edge
Inwall on be designed with silicon rubber inner liner.The overcoat by upper ring cap, transition sleeve and under change set and be integrally formed, transition sleeve is upper
Between ring set and lower ring set, upper ring cap and silicon rubber inner liner are wrapped on cable, under change set and be wrapped in silicon rubber inner liner
On the outer wall of pipeline, then fixed with bolt, to block the outlet of cable channel.
However, the insulating plug for outlet of outdoor cable protection pipe in above-mentioned patent document relies primarily on bolt through locking
Block head is fixed on cable channel exit, it is necessary to tighten successively or unscrew multiple bolts by the through hole on side, cause installation or
Very inconvenient, installation or removal consuming time length is dismantled, and is also easy to because bolt is not tightened and causes block head
Gap be present between internal and cable or cable channel, it is impossible to reliably sealed, water droplet or other foreign matters are easily from seam
Enter in gap in cable channel, electrification is matched somebody with somebody in initiation.
The content of the invention
The technical problem to be solved in the present invention is smaller to cable channel diameter in the prior art or cable and cable
The block head that the less cable channel in gap of pipeline is blocked installs the problem of inconvenient, sealing effectiveness is bad, so as to carry
Supply that a kind of block head is easy for installation, pipe jacket-type plugging device of good sealing effect.
Pipe jacket-type plugging device provided by the invention, including：
First sleeve, there is the opening that current supply cable passes through；
Second sleeve, has the opening that current supply cable pipeline passes through, and the second sleeve passes through attachment structure and the first sleeve
Connection, and form receiving space；
Lip ring, it is arranged in the receiving space, for sealing first sleeve and second sleeve and cable
Gap between cable channel.
Preferably, the attachment structure is the internal thread being arranged in one of first sleeve and/or second sleeve, with
And be arranged on first sleeve and/or second sleeve it is another on the external screw thread with the screw-internal thread fit.
Preferably, first sleeve and/or second sleeve pass through splicing construction by axially distributed two half-unit point
It is spliced to form.
Further, the splicing construction is molded over connecing for the two half-unit point of first sleeve and/or second sleeve
In contacting surface；The slot bottom width that the splicing construction includes being molded on the one of two half-unit point is more than the trapezoidal recessed of A/F
Groove, and it is molded over the trapezoidal projection that another upper and trapezoidal groove of two half-unit point coordinates.
Yet further, the trapezoidal groove and trapezoidal raised longitudinal section are isosceles trapezoid.
Preferably, the lip ring has the first sealing structure for sealing gap between first sleeve and cable
The second seals structure in space between the sealing second sleeve and cable channel.
Preferably, first sealing structure be along the lip ring circumference forming open outwards and bottom is to electricity
At least one seal groove of cable center position protrusion.
Preferably, the longitudinal section of the second seals structure is the loop configuration of wave molding.
Further, first sleeve inner forms shoulder hole, and the second seals structure is fixed on the ladder
In hole.
Preferably, there are two planar sections being parallel to each other respectively on first sleeve and the outer wall of second sleeve.
The present invention has advantages below relative to prior art：
1. pipe jacket-type plugging device provided by the invention, for being set in cable channel end, for being socketed simultaneously from outside
Space between hermetically-sealed cable pipeline and cable, the threaded connection using convenient disassembly and structure between the first sleeve and second sleeve
Into the space for accommodating lip ring, due to the part such as screw or bolt being not present in pipe jacket-type plugging device, therefore can not
Quickly and easily complete to dismount by specific purpose tool, save the maintenance time of power cable.
Divide 2. pipe jacket-type plugging device provided by the invention, the first sleeve and second sleeve are divided into two half-unit, two
Half part is spliced by splicing construction to be formed.Splicing construction includes the small ladder of the outer imperial palace that is molded on one of half part contact surface
Shape is raised, and the corresponding trapezoidal groove being molded on second half part contact surface.One of two half-unit point is with respect to second half
The trapezoidal raised trapezoidal groove that imports is spliced into composition along longitudinal sliding motion in part.Therefore, can not be limited easily by cable line length
Cable or cable channel are inserted in, and does not hinder the first sleeve and second sleeve to be threadedly coupled.
3. pipe jacket-type plugging device provided by the invention, shoulder hole is formed in second sleeve, by the of lip ring
Two sealing structures are fixed in the shoulder hole of second sleeve, and second seals structure produces deformation and cable after lip ring is pressurized
Pipeline forms sealing；First sealing structure of lip ring is fixed at the outlet step of cable channel, first sealing
Structure is outside along lip ring circumference forming open and bottom is to cable center's direction protrusion, and first sealing structure is at least
There is a seal groove, therefore trench bottom is sealed after lip ring compression and is radially further protruded to cable center direction, with
Cable is formed at least to be sealed together.Thus, pipe jacket-type plugging device realizes close to the closure of the integral type of cable channel and cable
Envelope, so as to prevent water droplet or foreign matter enter in cable channel from cable or cable channel outer wall from triggering power failure.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the pipe jacket-type plugging device of the present invention；
Fig. 2 is the decomposing schematic representation of the pipe jacket-type plugging device shown in Fig. 1；
Fig. 3 is the structure chart after the pipe jacket-type plugging device installation of the present invention；
Fig. 4 be Fig. 3 shown in pipe jacket-type plugging device A-A to profile；
Reference：The swivel nuts of 1- second；The trapezoidal projections of 11-；2- lip rings；The swivel nuts of 3- first；31- shoulder holes；4-
Cable channel；5- cables.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It is be combined with each other into conflict can.
Embodiment
The present invention provides a kind of pipe jacket-type plugging device, as shown in figure 1, including：
First sleeve 3, there is the opening that current supply cable 5 passes through；
Second sleeve 1, has the opening that current supply cable pipeline 4 passes through, and the second sleeve 1 passes through attachment structure and first set
Cylinder 3 connects, and forms receiving space；
Lip ring 2, it is arranged in the receiving space, for sealing first sleeve 3 and second sleeve 1 and electricity
Gap between cable 5 and cable channel 4.
As shown in figure 4, the pipe jacket-type plugging device of the present embodiment is used to be set in the end of cable channel 4, for from outside
It is socketed and the space between hermetically-sealed cable pipeline 4 and cable 5, lip ring 2 is located at by the first sleeve 3, second sleeve 1 and electricity
The inner chamber that cable 5, cable channel 4 form.First sleeve 3 is protected after being connected with second sleeve 1 and extrudes lip ring 2, produces
The lip ring 2 of deformation blocks the gap between the first sleeve 3 and cable 5, second sleeve 1 and cable channel 4, so as to by electricity
Cable 5 and cable channel 4 seal, and prevent water droplet or other foreign matters enter in cable channel 4 from causing power cable fault.
Further, the attachment structure is the internal thread being arranged on one of described first sleeve 3, and is arranged on
The external screw thread with the screw-internal thread fit on two sleeves 1 are another.
Certainly, internal thread may also be arranged in second sleeve 1, and external screw thread may also be arranged on the first sleeve 3.
For first sleeve 3 with the connected mode of second sleeve 1 to be threadedly coupled, being threaded in can during installing or removing
Quickly and easily the first sleeve 3 is not tightened or unscrewed with second sleeve 1 by specific purpose tool, therefore in the power failure phase
Between, repairing and the maintenance time of power cable can be effectively saved.As shown in Figure 2, it is preferable that the screw thread can be closely-pitched
Screw thread.
, also can will by snapping connection, during installation between the first sleeve 3 and second sleeve 1 as the deformation of attachment structure
It is connected together between first sleeve 3 and second sleeve 1, the continu to press of lip ring 2 can be also sealed.
First sleeve 3 and/or second sleeve 1 splice shape by axially distributed two half-unit point by splicing construction
Into.
Further, the splicing construction is molded over the two half-unit point of first sleeve 3 and/or second sleeve 1
On contact surface；The slot bottom width that the splicing construction includes being molded on the one of two half-unit point is more than the trapezoidal recessed of A/F
Groove, and it is molded over another upper and trapezoidal groove of two half-unit point coordinates trapezoidal raised 11.Trapezoidal raised 11 and trapezoidal groove
Longitudinal section is each meant to be trapezoidal, preferably isosceles trapezoid.
As shown in Fig. 2 the first sleeve 3 and second sleeve 1 are spliced by two half-unit point by splicing construction, therefore
It is convenient to splice on cable 5 or cable channel 4 that easily installation set can not be limited by the line length of cable 5.The splicing construction position
In in the respective axially facing surface of two half-unit point.Two trapezoidal projections are formed respectively on two contact surfaces of one of half part
11, two trapezoidal grooves being used for trapezoidal raised splicing 11 are formed on two another contact surfaces of half part respectively.
Deformed as one kind, two half-unit point can make it is identical, can be with one in two contact surfaces of half part
Contact surface forms trapezoidal projection, and another contact surface forms trapezoidal groove.
When assembling the first sleeve 3 or second sleeve 1, a half part another half part edge longitudinal direction relatively of two half-unit point
Slide and the trapezoidal raised trapezoidal groove that imports is spliced into the first sleeve 3 of composition or second sleeve 1.
As one kind deform, described trapezoidal raised 11 and trapezoidal groove can become T-shaped raised and corresponding T-shaped groove,
And the raised and corresponding groove that other make the first sleeve 3 or second sleeve 1 will not radially depart from.
The lip ring 2, which has, seals between first sleeve 3 and cable 5 first sealing structure in gap and close
Seal the second seals structure in gap between the second sleeve 1 and cable channel 4.
4 formed as shown in figure 4, lip ring 2 is located to be threaded a pipe by the first sleeve 3, second sleeve 1 and cable 5, cable
Receiving space in.Extruding lip ring 2 makes it produce deformation after first sleeve 3 is connected with second sleeve 1.Lip ring
2 include the first sealing structure and second seals structure, and the first sealing structure is used between blocking between the first sleeve 3 and cable 5
Gap；Second seals structure is used to block the gap between second sleeve 1 and cable channel 4, and therefore, pipe jacket-type plugging device is realized
The integral type of cable 5 and cable channel 4 is blocked and sealed, so as to prevent water droplet or foreign matter enters and triggers electricity in cable channel 4
Power cable fault.
Specifically, first sealing structure be along the 2 circumferential forming open of lip ring outwards and bottom to
At least one seal groove of the center position of cable 5 protrusion.
When lip ring 2 is squeezed, the seal groove protruded in its first sealing structure to the center position of cable 5 more enters
One step is protruded to the center position of cable 5, heaved, so that forming sealing between the first sealing structure and cable 5；It is if described
The quantity of seal groove is two, then two seals between the first sealing structure and cable 5 be present, by that analogy, can be had more
Road, seal groove more at most sealing effectiveness are more preferable.Accordingly it is possible to prevent water droplet or other foreign matters enter cable channel 4 from cable 5
It is interior.
The longitudinal section of the second seals structure is the loop configuration of wave molding.
When lip ring 2 is squeezed, the longitudinal section in its second seals structure is pressurized for the loop configuration of wave molding
To radially-inwardly heaving, then between lip ring 2 and the outer wall of cable channel 4 formed sealing, therefore can prevent water droplet or its
He is entered in cable channel 4 foreign matter from the outer wall of cable channel 4.
Shoulder hole 31 is formed inside first sleeve 3, the second seals structure is fixed in the shoulder hole 31.
Shoulder hole 31 is used for the second seals structure of stationary annular seal 2, prevents lip ring 2 because being squeezed edge
Slide axially, it is produced deformation after being pressurized and form sealing with cable 5, cable channel 4.
Further, there are two planar portions being parallel to each other respectively on first sleeve 3 and the outer wall of second sleeve 1
Point.
Planar section is set on first sleeve 3 and the outer wall of second sleeve 1, with the clamping of the instrument such as convenient wrench and can be driven
It is rotated.In the case of not by instrument, described two planar sections being parallel to each other can also facilitate operating personnel
Force, prevents from skidding, convenient to fix the first sleeve 3 or second sleeve 1, tightens or unscrews another sleeve.The planar section
Surface can be roughened processing, frictional force when increase rotates.
Deformed as one kind, the planar section can be arranged to the cancave cambered surface with being adapted into finger.
Invention as being low-phenyl silicone rubber to the preferred of pipe jacket-type stopper materials, the material of lip ring 2,
Fire-protection rating is V0；First sleeve 3, the material of second sleeve 1 are polyphthalamide, fire-protection rating V0.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
1. pipe jacket-type plugging device, it is characterised in that including：
First sleeve (3), there is the opening that current supply cable (5) passes through；
Second sleeve (1), has the opening that current supply cable pipeline (4) passes through, and the second sleeve (1) passes through attachment structure and first
Sleeve (3) connects, and forms receiving space；
Lip ring (2), is arranged in the receiving space, for seal first sleeve (3) and second sleeve (1) with
Gap between cable (5) and cable channel (4)；
First sleeve (3) and/or second sleeve (1) splice shape by axially distributed two half-unit point by splicing construction
Into；The splicing construction is molded on the contact surface of the two half-unit point of first sleeve (3) and/or second sleeve (1)；Institute
The slot bottom width that stating splicing construction includes being molded on the one of two half-unit point is more than the trapezoidal groove of A/F, and shaping
Trapezoidal raised (11) coordinated on two half-unit point is another with trapezoidal groove.
2. pipe jacket-type plugging device according to claim 1, it is characterised in that the attachment structure is is arranged on described the
Internal thread on one of one sleeve (3) and/or second sleeve (1), and it is arranged on first sleeve (3) and/or second set
The external screw thread with the screw-internal thread fit on cylinder (1) is another.
3. pipe jacket-type plugging device according to claim 1, it is characterised in that the trapezoidal groove and trapezoidal projection (11)
Longitudinal section be isosceles trapezoid.
4. the pipe jacket-type plugging device device according to claim any one of 1-3, it is characterised in that the lip ring
(2) have and seal first sealing structure in gap and the sealing second sleeve between first sleeve (3) and cable (5)
(1) between cable channel (4) space second seals structure.
5. pipe jacket-type plugging device according to claim 4, it is characterised in that first sealing structure is along described
Lip ring (2) circumferential forming open is outwards and at least one seal groove for being protruded to cable (5) center position of bottom.
6. the pipe jacket-type plugging device according to the 4 of claim, it is characterised in that the longitudinal section of the second seals structure
For the loop configuration of wave molding.
7. the pipe jacket-type plugging device according to the 6 of claim, it is characterised in that be molded inside first sleeve (3)
There is shoulder hole (31), the second seals structure is fixed in the shoulder hole (31).
8. the pipe jacket-type plugging device according to claim any one of 1-3, it is characterised in that first sleeve (3) and
There are two planar sections being parallel to each other respectively on the outer wall of second sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017596.5A CN105490241B (en) | 2016-01-12 | 2016-01-12 | Pipe jacket-type plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017596.5A CN105490241B (en) | 2016-01-12 | 2016-01-12 | Pipe jacket-type plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490241A CN105490241A (en) | 2016-04-13 |
| CN105490241B true CN105490241B (en) | 2017-11-14 |
Family
ID=55677059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610017596.5A Expired - Fee Related CN105490241B (en) | 2016-01-12 | 2016-01-12 | Pipe jacket-type plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105490241B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329454B (en) * | 2016-10-19 | 2018-08-21 | 杭州洪鑫电力科技有限公司 | Column tube plugging device |
| CN106711916B (en) * | 2016-11-29 | 2018-12-14 | 江门市宜达科技有限公司 | A kind of metering switch box holes blocking device |
| CN107658742A (en) * | 2017-10-31 | 2018-02-02 | 国家电网公司 | A kind of plugging cable hole device for distribution box |
| CN108480442A (en) * | 2018-05-25 | 2018-09-04 | 长园电力技术有限公司 | A kind of recovery device of cable metal bellows |
| CN109088368A (en) * | 2018-09-21 | 2018-12-25 | 贵州电网有限责任公司 | Novel cable pipeline plug |
| CN109167309B (en) * | 2018-10-17 | 2020-11-10 | 杭州博源电力设备有限公司 | Bracket for plugging cable |
| CN110416960A (en) * | 2019-08-02 | 2019-11-05 | 广西金步电力科技有限公司 | A kind of subway plugging device |
| CN114447676A (en) * | 2020-11-02 | 2022-05-06 | 台达电子工业股份有限公司 | Charging gun and stress relieving structure thereof |
| CN113595020B (en) * | 2021-08-03 | 2022-10-18 | 保定正开电缆附件有限公司 | Cable terminal fastening device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2056729C (en) * | 1990-12-10 | 2000-09-05 | Brian M. Mitsch | Electrical power cord entry device |
| CN100421324C (en) * | 2005-12-29 | 2008-09-24 | 国家***第一海洋研究所 | Sealed submarine cable |
| CN101232168B (en) * | 2008-01-07 | 2010-08-11 | 浙江大元泵业有限公司 | Leak-proof cable joint |
| CN202696080U (en) * | 2012-08-15 | 2013-01-23 | 李德胜 | Stainless-steel anti-explosion seal gland |
| CN203871823U (en) * | 2014-03-28 | 2014-10-08 | 朱新平 | Variable diameter sealing gland for connecting wire pipe and cable of distribution box |
| CN205283065U (en) * | 2016-01-12 | 2016-06-01 | 浙江亿电电气有限公司 | Outside of tubes shell type plugging device |
-
2016
- 2016-01-12 CN CN201610017596.5A patent/CN105490241B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105490241A (en) | 2016-04-13 |
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