CN209313402U - A kind of cable pack-off structure - Google Patents
A kind of cable pack-off structure Download PDFInfo
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- CN209313402U CN209313402U CN201822149511.6U CN201822149511U CN209313402U CN 209313402 U CN209313402 U CN 209313402U CN 201822149511 U CN201822149511 U CN 201822149511U CN 209313402 U CN209313402 U CN 209313402U
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- cable
- protrusion
- installation
- gland
- cavity
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Abstract
The utility model discloses a kind of cable pack-off structures, including cable, cable feedthrough and installation lid, the installation is covered equipped with cable aperture, the cable is located in cable aperture, the cable sheath is equipped with installation protrusion, the side wall of the cable aperture opening is equipped with mounting groove, the installation protrusion is located in mounting groove, the cable feedthrough and cable is socketed, cable feedthrough is equipped with gland protrusion, the gland protrusion is located in mounting groove, and the cable feedthrough is fixedly connected with installation lid.The advantages that the utility model limits the position of cable by limiting position raised on cable sheath, without friction between cable sheath, has structure simple, easy for installation, and leakproofness is strong.
Description
Technical field
The utility model relates to a kind of sealing mechanisms, more particularly, to a kind of cable pack-off structure.
Background technique
Traditional cable seal head is that sealing effect is realized by structures such as pivoted housing, bushings, but when cable stress, electricity
The friction of cable crust and junction is likely to result in the damage of crust, to lose sealing effect.
For example, one kind disclosed " cable seal head ", notification number CN2697920, including packet in Chinese patent literature
It includes pivoted housing, cover that the thin hex nut on pivoted housing top, cover for seat with the level and outer surface are cylindrical surface, inner surface is the conical surface
Adapter sleeve, it is characterised in that fastening is placed on the step of cover for seat, and pivoted housing lower part is placed in cover for seat and connects with cover for seat inner thread
It connecing, there is snap ring to be affixed on the bottom surface of pivoted housing, snap ring inner surface is cylindrical surface, and outer surface is the conical surface cooperated with adapter sleeve inner surface,
There is seal cartridge to be placed in snap ring and pivoted housing and is bonded with the inner surface of snap ring and pivoted housing.The program is although improve end
Sealing performance, but cable and pivoted housing, bushing junction still can because of cable stress and there is the case where crust abrasion, drop
The sealing effect of low cable.
Utility model content
The utility model is to overcome the cable pack-off of the prior art ineffective and have abrasion to cable sheath
Problem, it is good to provide a kind of sealing effect, and with cable sheath friction free cable pack-off structure.
To achieve the goals above, the utility model uses following technical scheme:
A kind of cable pack-off structure, including cable, cable feedthrough and installation lid, the installation are covered equipped with cable
Hole, the cable are located in cable aperture, and the cable sheath is equipped with installation protrusion, the side wall of the cable aperture opening
It is equipped with mounting groove, the installation protrusion is located in mounting groove, and the cable feedthrough and cable are socketed, and sets on cable feedthrough
There is gland raised, the gland protrusion is located in mounting groove, and the cable feedthrough is fixedly connected with installation lid.Installation lid is logical
Often it is the shell of functor, cable is directly connect with functor, the cable feedthrough being fixedly connected with installation lid is convex by gland
Rise end is fixed, due between cable without friction, to cable sheath without abrasion.
Preferably, being additionally provided with the positioning pressure ring of annular, the positioning pressure ring is equipped with locating slot, outside the cable
Skin is equipped with the positioning protrusion cooperated with locating slot.The locating slot on pressure ring with positioning protrusion cooperation is positioned, cable is capable of fixing
Position prevents cable caused by external force from deviating, and improves leakproofness.
Preferably, the positioning protrusion, locating slot, gland are raised, installation protrusion and mounting groove are annular in shape, institute
The positioning protrusion and installation protrusion stated are wholely set with cable sheath vulcanization.Each component of ring-type setting, can be improved device
Stability, while annular setting of the protrusion with positioning protrusion being installed, the effect of sealing ring is played, the leakproofness of device is improved
Can, vulcanize each component being wholely set with cable sheath, the friction between each component and cable sheath can be reduced, extends and use
Service life.
Preferably, the cable feedthrough is connect with installation bonnet bolt, the positioning pressure ring is formed by two and half,
Described half is equipped with otic placode, and the otic placode is equipped with bolt hole for fixing.The bolt of cable feedthrough and installation lid
It connects, ensure that the gland restriction effect raised to installation, while being easily installed and overhauling, the positioning pressures of two and half compositions
Ring, is convenient for and cable connection, the setting of half upper ear plate and bolt hole, can be by connecting with the isostructural bolt of outside support
It connects, fixed cable position prevents cable from shifting, improves the stability of device.
Preferably, the junction of the cable feedthrough and cable is equipped with gland cavity, one end of the gland cavity
It is connect with the opening of mounting groove, the other end and cable of gland cavity are socketed, and the cable sheath is equipped with cavity protrusion, described
Gland protrusion be located on the lateral wall of cavity protrusion, the described cavity protrusion is annular in shape, and cavity protrusion and cable sheath vulcanize
It is wholely set.The setting of gland cavity and cavity protrusion is improved in the case where not influencing overall tightness and switching performance
The stability of device, while being easily installed and dismantling.
Therefore, the utility model has the following beneficial effects:
(1) sealing effect is good；
(2) to cable sheath without abrasion；
(3) it is easily installed and dismantles.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of cable in the utility model.
In figure: 1- cable 2- cable feedthrough 3- installation lid 4- cable aperture 5- cable sheath 6- installs protrusion 7- gland
Raised 8- positioning pressure ring 9- positioning protrusion 10- otic placode 11- gland cavity 12- cavity protrusion.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
In embodiment as shown in Figure 1 and Figure 2,
A kind of cable pack-off structure, including cable 1, cable feedthrough 2 and installation lid 3, installation lid 3 are equipped with cable aperture 4,
Cable 1 is located in cable aperture 4, and cable sheath 5 is equipped with installation protrusion 6, and the side wall of 4 opening of cable aperture is equipped with mounting groove,
Installation protrusion 6 is located in mounting groove, and cable feedthrough 2 and cable 1 are socketed, and cable feedthrough 2 is equipped with gland protrusion 7, gland protrusion 7
In mounting groove, cable feedthrough 2 is bolted with installation lid 3, and positioning pressure ring 9 is equipped with locating slot, and cable sheath 5 is equipped with
With the positioning protrusion 12 of locating slot cooperation, positioning protrusion 12, locating slot, gland protrusion 7, installation protrusion 6 and mounting groove are in ring
Shape, positioning pressure ring 8 are formed by two and half, and half is equipped with otic placode 10, and otic placode 10 is equipped with bolt hole for fixing, cable
The junction of gland 2 and cable 1 is equipped with gland cavity 11, and one end of gland cavity 11 and the opening of mounting groove connect, and gland is empty
The other end and cable 1 of chamber 11 are socketed, and cable sheath 5 is equipped with cavity protrusion 12, and gland protrusion 7 is located at the outer of cavity protrusion 12
On side wall, cavity protrusion 12 is annular in shape, and positioning protrusion 9, installation protrusion 6 and cavity protrusion 12 are integrally set with the vulcanization of cable sheath 5
It sets.
The shell that lid 3 is usually functor is installed, cable 1 is directly connect with functor, is fixedly connected with installation lid 3
Cable feedthrough 2 is fixed end by gland protrusion 7, due between cable 1 without friction, to cable sheath 5 without mill
Damage positions the locating slot cooperated on pressure ring 8 with positioning protrusion 9, is capable of fixing 1 position of cable, prevents external force from causing
Cable 1 deviate, improve leakproofness, ring-type setting each component, can be improved the stability of device, at the same install protrusion 6 with
The annular setting of positioning protrusion 9, plays the effect of sealing ring, improves the sealing performance of device, and cable feedthrough 2 and installation are covered
3 bolt connection ensure that the restriction effect of 2 pairs of cable feedthrough installation protrusions 6, while being easily installed and overhauling, two and half
The positioning pressure ring 8 of composition, convenient for being connect with cable 1, the setting of half upper ear plate 10 and bolt hole, can by with outside support
Isostructural to be bolted, fixed 1 position of cable prevents cable 1 from shifting, improves the stability of device, gland cavity 11
The stability of device is improved, together in the case where not influencing overall tightness and switching performance with the setting of cavity protrusion 12
When be easily installed and dismantle, vulcanize each component for being wholely set with cable sheath 5, can reduce each component and cable sheath 5 it
Between friction, prolong the service life.
Claims (5)
1. a kind of cable pack-off structure, including cable, cable feedthrough and installation lid, characterized in that the installation, which covers, to be set
There is cable aperture, the cable is located in cable aperture, and the cable sheath is equipped with installation protrusion, the cable aperture opening
Side wall be equipped with mounting groove, the installation protrusion is located in mounting groove, the cable feedthrough and cable socket, cable pressure
It covers and is equipped with gland protrusion, the gland protrusion is located in mounting groove, and the cable feedthrough is fixedly connected with installation lid.
2. a kind of cable pack-off structure according to claim 1, characterized in that it further include having positioning pressure ring, it is described
It positions pressure ring and is equipped with locating slot, the cable sheath is equipped with the positioning protrusion cooperated with locating slot.
3. a kind of cable pack-off structure according to claim 2, characterized in that the positioning protrusion, locating slot, pressure
Lid protrusion, installation protrusion and mounting groove are annular in shape, and the positioning protrusion and installation protrusion are integrally set with cable sheath vulcanization
It sets.
4. a kind of cable pack-off structure according to claim 2, characterized in that the cable feedthrough and installation lid spiral shell
It tethers and connects, the positioning pressure ring is formed by two and half, and described half is equipped with otic placode, and the otic placode is equipped with and is used for
Fixed bolt hole.
5. a kind of cable pack-off structure according to claim 1 or 2 or 3 or 4, characterized in that the cable feedthrough with
The junction of cable is equipped with gland cavity, and the opening of one end of the gland cavity and mounting groove connects, gland cavity it is another
One end and cable are socketed, and the cable sheath is equipped with cavity protrusion, and the gland protrusion is located at the lateral wall of cavity protrusion
On, the cavity protrusion is annular in shape, and cavity protrusion is wholely set with cable sheath vulcanization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149511.6U CN209313402U (en) | 2018-12-20 | 2018-12-20 | A kind of cable pack-off structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149511.6U CN209313402U (en) | 2018-12-20 | 2018-12-20 | A kind of cable pack-off structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313402U true CN209313402U (en) | 2019-08-27 |
Family
ID=67677961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822149511.6U Active CN209313402U (en) | 2018-12-20 | 2018-12-20 | A kind of cable pack-off structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018711A (en) * | 2020-09-07 | 2020-12-01 | 中国石油天然气集团有限公司 | High-voltage-resistant cable head sealing device |
-
2018
- 2018-12-20 CN CN201822149511.6U patent/CN209313402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018711A (en) * | 2020-09-07 | 2020-12-01 | 中国石油天然气集团有限公司 | High-voltage-resistant cable head sealing device |
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