CN208386072U - High voltage cable guiding device through walls - Google Patents
High voltage cable guiding device through walls Download PDFInfo
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- CN208386072U CN208386072U CN201821017644.1U CN201821017644U CN208386072U CN 208386072 U CN208386072 U CN 208386072U CN 201821017644 U CN201821017644 U CN 201821017644U CN 208386072 U CN208386072 U CN 208386072U
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- high voltage
- voltage cable
- insulating cylinder
- ring
- walls
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Abstract
The utility model discloses a kind of high voltage cable guiding devices through walls, including insulating cylinder and it is set on the outside of high voltage cable, and it is located at the cable locking device in insulating cylinder, cable locking device includes the retaining ring being sequentially sleeved on high voltage cable, grading ring and sealing ring, retaining ring is connect with insulating cylinder inner thread, and insulating cylinder is equipped with the limit chamber for limiting grading ring and sealing ring.When assembling, grading ring is passed to by the pressure that retaining ring lock is spun on insulating cylinder, grading ring and sealing ring are pressed into insulating cylinder, pressure is uniformly transmitted to sealing ring again by grading ring, and sealing ring is squeezed power effect and is tightly wrapped on high voltage cable outer diameter and insulating cylinder inner wall.Cooperate between insulating cylinder after high voltage cable installation through walls secured, it is not influenced vulnerable to external force in use process and loose phenomenon occurs, effectively improve high voltage cable stability through walls, ensure that high-tension line using safe, high voltage cable safety in utilization through walls improves.
Description
Technical field
The utility model relates to power supply system mounting technique field, in particular to a kind of high voltage cable guiding device through walls.
Background technique
High voltage cable through walls is by high voltage cable by guiding outdoor in hyperbaric chamber into or guiding indoor cable by interior, high
Pressure penetrating cable through wall guiding device is will to pass through shell wall inside and outside high-voltage switch gear or transformer to carry out the guiding of high voltage power supply cable, is played
The device of insulation, electrical connection and mechanical support effect.
Traditional high voltage cable guiding device through walls is that the terminal through walls of high voltage cable is through walls a high pressure is opened on wall
Terminal flange mounting hole is installed to terminal through walls in the terminal flange mounting hole through walls of high pressure on wall, the high pressure of extraction
Cable is separately fixed at high pressure terminal both sides through walls by screw, and high pressure terminal both ends through walls lengthen and umbrella cover is added to climb electricity to increase
Distance meets insulating requirements by the air insulation medium of certain distance.
However, high pressure terminal through walls twice install by screw connection, installation dimension and space are increased using air insulation medium,
And in long-time using being easy to happen loose phenomenon at screw connection, and then it is easy to cause high-voltage isulation bad, leads to high-voltage line
Cable safety in utilization through walls is lower.
Therefore, high voltage cable safety in utilization through walls how is improved, is those skilled in the art's technology urgently to be resolved
Problem.
Utility model content
The purpose of the utility model is to provide a kind of high voltage cable guiding devices through walls, and to improve, high voltage cable is through walls to be made
Use safety.
To achieve the above object, the utility model provides a kind of high voltage cable guiding device through walls, including insulating cylinder, also wraps
The cable locking device for including and being set on the outside of high voltage cable, and be located in the insulating cylinder, the cable locking device include according to
The secondary retaining ring being set on high voltage cable, grading ring and sealing ring, the retaining ring are connect with the insulating cylinder inner thread,
The insulating cylinder is equipped with the limit chamber for limiting the grading ring and the sealing ring.
Preferably, the cable locking device is two, and the sealing ring opposite direction of two cable locking devices is set
It sets, the limit chamber is corresponded with the sealing ring.
Preferably, the insulating cylinder inner wall is equipped with the retention bead of two limit chambers of isolation.
Preferably, the rotation that can be abutted with the insulation drum outer wall is equipped with far from described grading ring one end in the retaining ring
Turn operation portion.
Preferably, the retaining ring is an integral molding structure with the rotation process portion.
Preferably, conical surface extrusion structure is equipped with the contact surface of the sealing ring on the grading ring.
Preferably, the retaining ring is insulating part.
Preferably, the sealing ring is insulating part.
Preferably, the grading ring is insulating part.
Preferably, the insulating cylinder is multiple, is equipped with the cable locking device in each insulating cylinder.
Preferably, multiple insulating cylinders are an integral molding structure.
In the above-mentioned technical solutions, high voltage cable provided by the utility model guiding device through walls includes insulating cylinder and is arranged
On the outside of high voltage cable, and the cable locking device being located in insulating cylinder, cable locking device include being sequentially sleeved at high-voltage line
Retaining ring, grading ring and sealing ring, retaining ring on cable are connect with insulating cylinder inner thread, and insulating cylinder is equipped with for limiting
The limit chamber of pressure ring and sealing ring.
As can be seen from the above description, in high voltage cable provided by the present application guiding device through walls, high voltage cable output end
It is arranged with cable locking device, grading ring is passed to by the pressure that retaining ring lock is spun on insulating cylinder, grading ring and sealing ring
It is pressed into insulating cylinder, pressure is uniformly transmitted to sealing ring again by grading ring, and sealing ring is squeezed power effect and is tightly wrapped
On high voltage cable outer diameter and insulating cylinder inner wall, insulation is formed.Cooperate securely between insulating cylinder after high voltage cable installation through walls, makes
Loose phenomenon occurs with not influencing in the process vulnerable to external force, effectively improves high pressure stability through walls, ensure that high pressure
Route uses safe, high voltage cable safety in utilization raising through walls.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the installation site figure of high voltage cable guiding device through walls provided by the utility model embodiment.
Wherein in Fig. 1: 1- retaining ring, 2- grading ring, 3- high voltage cable, 4- insulating cylinder, 5- sealing ring, 6- high pressure chamber
Body.
Specific embodiment
The core of the utility model is to provide a kind of high voltage cable guiding device through walls, and to improve, high voltage cable is through walls to be made
Use safety.
It is with reference to the accompanying drawing and real in order to make those skilled in the art more fully understand the technical solution of the utility model
Applying mode, the utility model is described in further detail.
Referring to FIG. 1, in a specific embodiment, the high voltage cable that the utility model specific embodiment provides is through walls
Guiding device includes insulating cylinder and is set on the outside of high voltage cable 3, and the cable locking device in insulating cylinder 4, cable lock
Tight device includes the retaining ring 1 being sequentially sleeved on high voltage cable 3, grading ring 2 and sealing ring 5, in retaining ring 1 and insulating cylinder 4
Wall is threadedly coupled, and insulating cylinder 4 is equipped with the limit chamber for limiting grading ring 2 and sealing ring 5.Wherein, the high voltage cable is through walls
Guiding device can be used on hyperbaric chamber cavity 6.For the ease of squeeze sealing ring 5, improve leakproofness, it is preferable that on grading ring 2 with
The contact surface of sealing ring 5 is equipped with conical surface extrusion structure, is convenient for 5 deformation of sealing ring, better seal.Specifically, the conical surface squeezes knot
The middle position in the interface width direction of grading ring 2 or the contact surface of grading ring 2 is arranged in generally from centre to two in structure
The tapered surface of side gradually flaring.
Insulating properties is used in order to improve high voltage cable guiding device through walls, it is preferable that retaining ring 1 and sealing ring 5 and grading ring 2
It is insulating part.
As can be seen from the above description, high in the guiding device through walls of the high voltage cable provided by the application specific embodiment
3 output end of crimping cable is arranged with cable locking device, passes to grading ring 2 by the pressure that the lock of retaining ring 1 is spun on insulating cylinder 4,
Grading ring 2 and sealing ring 5 are pressed into insulating cylinder 4, pressure is uniformly transmitted to sealing ring 5 again by grading ring 2, sealing ring 5 by
It is closely wrapped on 4 inner wall of 3 outer diameter of high voltage cable and insulating cylinder to extruding force effect, forms insulation.High voltage cable peace through walls
Cooperate between insulating cylinder securely after dress, is not influenced vulnerable to external force in use process and loose phenomenon occurs, effectively improve height
The stability through walls of crimping cable 3, ensure that high-tension line using safe, high voltage cable safety in utilization through walls improves.
On the other hand, this high voltage cable guiding device through walls is without cable adapter coupling, no wall isolation terminal, mounting structure
Simple and convenient compact, using solid insulation, insulation effect is good, and structure is simple, significantly reduces high voltage cable guiding through walls
The production cost of device.
In order to further increase high voltage cable safety in utilization through walls, it is preferable that cable locking device is two, two lines
The sealing ring 5 of cable locking device is arranged oppositely, and limit chamber is corresponded with sealing ring 5.
When high voltage cable 3 carries out through walls fixed, sealing ring 5, grading ring 2, retaining ring 1 are inserted in high voltage cable 3 first
Input terminal, then high voltage cable 3 is then passed through insulating cylinder 4.Retaining ring 1 is tightened, the pressure for being spun on insulating cylinder 4 is locked by retaining ring 1
Grading ring 2 is passed to, grading ring 2 and sealing ring 5 are pressed into the limit chamber in insulating cylinder 4, grading ring 2 is again uniformly pressure
It is transmitted to sealing ring 5, sealing ring 5 is squeezed power effect and is closely wrapped on 4 inner wall of 3 outer diameter of high voltage cable and insulating cylinder, shape
It insulate at first.
Equally, one end is exported in high voltage cable 3 be inserted in sealing ring 5, grading ring 2, retaining ring 1.It is spun on by the lock of retaining ring 1
The pressure of insulating cylinder 4 passes to grading ring 2, and grading ring 2 and sealing ring 5 are pressed into insulating cylinder 4, and grading ring 2 is uniform again
Pressure is transmitted to sealing ring 5, sealing ring 5 is squeezed power effect and is closely wrapped in 4 inner wall of 3 outer diameter of high voltage cable and insulating cylinder
On, form second insulation.Locking high voltage cable 3, which is further increased, by two cable locking devices locks stability.
In order to avoid two sealing rings 5 interfere, it is preferable that 4 inner wall of insulating cylinder is equipped with the retention bead of two limit chambers of isolation.
For the ease of retaining ring 1 screw in insulating cylinder 4, it is preferable that in retaining ring 1 far from 2 one end of grading ring be equipped with can with it is exhausted
The rotation process portion that 4 outer wall of edge cylinder abuts.Further, the periphery of rotation process portion forms annular quadrilateral structure, i.e. rotation behaviour
The side wall for making portion forms annular quadrangle.By the way that rotation process portion is arranged, it is convenient for staff's rotation lock ring 1, avoids simultaneously
Retaining ring 1 completely into insulating cylinder 4, the case where causing sealing ring 5 to be squeezed and deformed, effectively improves high voltage cable and wears after locking
The service life of wall guiding device.
In order to improve processing and the packaging efficiency of high voltage cable guiding device through walls, it is preferable that retaining ring 1 and rotation process portion
It is an integral molding structure.
On the basis of above-mentioned each scheme, it is preferable that insulating cylinder 4 be it is multiple, be equipped in each insulating cylinder 4 cable locking dress
It sets.When needing through walls by multiple high voltage cables 3, so that each high voltage cable 3 all has corresponding insulating cylinder 4, into one
Step improves the safety in utilization of high voltage cable guiding device through walls.
For the ease of processing high voltage cable guiding device through walls, it is preferable that multiple insulating cylinders 4 are an integral molding structure.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (11)
1. a kind of high voltage cable guiding device through walls, including insulating cylinder (4), which is characterized in that further include being set in high voltage cable
(3) outside, and the cable locking device being located in the insulating cylinder (4), the cable locking device include being sequentially sleeved at height
Retaining ring (1), grading ring (2) and sealing ring (5) on crimping cable (3), the retaining ring (1) and the insulating cylinder (4) inner wall
It is threadedly coupled, the insulating cylinder (4) is equipped with the limit chamber for limiting the grading ring (2) and the sealing ring (5).
2. high voltage cable guiding device through walls according to claim 1, which is characterized in that the cable locking device is two
A, the sealing ring (5) of two cable locking devices is arranged oppositely, and the limit chamber and the sealing ring (5) are a pair of
One is corresponding.
3. high voltage cable guiding device through walls according to claim 2, which is characterized in that insulating cylinder (4) inner wall is set
There is the retention bead of two limit chambers of isolation.
4. high voltage cable guiding device through walls according to claim 1, which is characterized in that separate on the retaining ring (1)
Described grading ring (2) one end is equipped with the rotation process portion that can be abutted with the insulating cylinder (4) outer wall.
5. high voltage cable guiding device through walls according to claim 4, which is characterized in that the retaining ring (1) with it is described
Rotation process portion is an integral molding structure.
6. high voltage cable guiding device through walls according to claim 1, which is characterized in that on the grading ring (2) and institute
The contact surface for stating sealing ring (5) is equipped with conical surface extrusion structure.
7. high voltage cable guiding device through walls according to claim 1, which is characterized in that the retaining ring (1) is insulation
Part.
8. high voltage cable guiding device through walls according to claim 1, which is characterized in that the sealing ring (5) is insulation
Part.
9. high voltage cable guiding device through walls according to claim 1, which is characterized in that the grading ring (2) is insulation
Part.
10. high voltage cable guiding device through walls according to claim 1 to 9, which is characterized in that the insulation
Cylinder (4) be it is multiple, is equipped with the cable locking device in each insulating cylinder (4).
11. high voltage cable guiding device through walls according to claim 10, which is characterized in that multiple insulating cylinders (4)
It is an integral molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017644.1U CN208386072U (en) | 2018-06-27 | 2018-06-27 | High voltage cable guiding device through walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017644.1U CN208386072U (en) | 2018-06-27 | 2018-06-27 | High voltage cable guiding device through walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208386072U true CN208386072U (en) | 2019-01-15 |
Family
ID=64965994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017644.1U Active CN208386072U (en) | 2018-06-27 | 2018-06-27 | High voltage cable guiding device through walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208386072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437712A (en) * | 2021-08-05 | 2021-09-24 | 上海交通大学 | Modular multi-cable via hole insulating sealing structure based on pressure compensation |
-
2018
- 2018-06-27 CN CN201821017644.1U patent/CN208386072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437712A (en) * | 2021-08-05 | 2021-09-24 | 上海交通大学 | Modular multi-cable via hole insulating sealing structure based on pressure compensation |
| CN113437712B (en) * | 2021-08-05 | 2022-02-18 | 上海交通大学 | Modular multi-cable via hole insulating sealing structure based on pressure compensation |
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