CN210326811U - Cable corner protection device - Google Patents
Cable corner protection device Download PDFInfo
- Publication number
- CN210326811U CN210326811U CN201921442496.2U CN201921442496U CN210326811U CN 210326811 U CN210326811 U CN 210326811U CN 201921442496 U CN201921442496 U CN 201921442496U CN 210326811 U CN210326811 U CN 210326811U
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- China
- Prior art keywords
- middle pipe
- sealing
- pipe
- cable
- half part
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- 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
The utility model discloses a cable turning protection device, including tip sealed tube, intervalve, institute intervalve both ends respectively be connected with a tip sealed tube, the tip sealed tube that states, intervalve cover locate the cable outside. The utility model discloses simple structure, it is practical convenient, can be effectual to cable corner portion insulate against heat and isolated oxygen, avoid the cable crust oxidation of corner portion.
Description
Technical Field
The utility model belongs to electric power construction equipment field, concretely relates to cable turning protection device.
Background
Cables are generally rope-like cables made by stranding several wires or groups of wires, each group of wires being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating, which is often used for telecommunication or power transmission. The cable is laying the in-process, can't avoid turning round, diversion, and the sheath of cable at the corner has the extension attenuation of certain degree, and long-time and air contact or by sun exposure, easy oxidation is ageing for the sheath of cable the crack appears, influences cable life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a cable turning protection device, the utility model discloses simple structure, it is practical convenient, can be effectual to cable turning part insulate against heat and isolated oxygen, avoid the cable crust oxidation of turning part.
The utility model provides a technical scheme that the problem that its exists adopted is:
the cable corner protection device comprises an end sealing pipe and a middle pipe, wherein two ends of the middle pipe are respectively connected with the end sealing pipe, and the end sealing pipe and the middle pipe are sleeved outside a cable.
Tip sealed tube divide equally into first half and lower half, first half under terminal surface and lower half up end both sides all be equipped with ear, first ear and lower half ear pass through 5 fixed connection of fastening bolt.
The cable sealing device is characterized in that a sealing gasket is arranged between the end sealing pipe and the cable, and a sealing gasket is arranged between the lower end face of the half part and the upper end face of the lower half part.
Preferably, a one-way valve is arranged outside the middle pipe, the one-way valve is communicated with the cavity inside the middle pipe, and gas can only flow out of the middle pipe through the one-way valve.
Preferably, the middle pipe is a steel pipe, the middle pipe is a bent pipe, the inner diameter of the middle pipe is larger than the outer diameter of the cable inside the middle pipe, the middle pipe is also divided into an upper semicircle part and a lower semicircle part, the upper part of the middle pipe is fixedly connected with the upper half part of the end sealing pipe, and the lower part of the middle pipe is fixedly connected with the lower half part of the end sealing pipe.
The upper semicircular part and the lower semicircular part of the middle pipe are fixedly connected through lug parts arranged on two sides of the middle pipe and fastening bolts, and a sealing gasket is arranged between the upper semicircular part and the lower semicircular part of the middle pipe.
Preferably, the upper half lower end face of the end sealing pipe and the upper lower end face of the middle pipe are both provided with protruding sealing strips protruding downwards, the upper half upper end face of the end sealing pipe and the upper end face of the lower part of the middle pipe are both provided with sealing grooves matched with the protruding sealing strips, and the protruding sealing strips are inserted into the sealing grooves.
Preferably, the middle pipe is a hose, a plurality of annular supporting frameworks are uniformly distributed in the middle pipe, the cable penetrates through the supporting frameworks, and the diameter of each supporting framework is larger than or equal to the outer diameter of the cable inside the supporting framework.
The two ends of the middle pipe are provided with inner liners, and the circumferential surface of the outer side of each inner liner is provided with a limiting sealing ring.
The end part sealing pipe is provided with a pressing sealing ring facing one side of the middle pipe, the pressing sealing ring is sleeved on the lining, a groove matched with the limiting sealing ring is concavely arranged on the circumferential surface of the inner side of the pressing sealing ring, and the limiting sealing ring is arranged in the groove.
Compared with the prior art, the utility model discloses beneficial effect who has:
(1) the cable corner part can be wrapped to avoid collision.
(2) The corner parts of the cable can be isolated from oxygen, and the oxidation of the outer skin of the cable at the corner parts can be avoided.
(3) The cable corner portions can be insulated to prolong the oxidation of the outer skin of the cable corner portions.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a middle hard tube outline drawing of the cable corner protection device of the present invention,
FIG. 2 is a middle hose outline view of the utility model,
figure 3 is a cross-sectional view of the plane a-a of the present invention,
fig. 4 is a structure diagram of the hose inside in the middle of the utility model.
In the figure, 1-end sealing tube, 11-upper half part, 12-lower half part, 1 a-pressing sealing ring;
2-a middle pipe, 2 a-a lining, 2 b-a limiting sealing ring and 2 c-a supporting framework;
3-raising the sealing strip;
4-ear part;
5-fastening bolts;
6-a sealing gasket;
7-a one-way valve;
8-cable.
Detailed Description
The accompanying drawings illustrate a preferred embodiment of the cable corner protection device, and the present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, a cable corner protection device comprises an end sealing tube 1 and an intermediate tube 2. Two ends of the middle tube 2 are respectively connected with an end sealing tube 1, and the end sealing tube 1 and the middle tube 2 are sleeved outside the cable 8.
Tip sealed tube 1 halve be first half 11 and lower half 12, first half 11 lower terminal surface and lower half 12 upper end both sides all be equipped with ear 4, first half 11 ear 4 and lower half 12 ear 4 pass through fastening bolt 5 fixed connection.
A sealing gasket 6 is arranged between the end sealing pipe 1 and the cable 8, and a sealing gasket 6 is arranged between the lower end face of the half part 11 and the upper end face of the lower half part 12.
The middle pipe 2 is a steel pipe, the middle pipe 2 is a bent pipe, and the bending angle of the middle pipe 2 is matched with the angle of the corner of the cable 8. The intermediate tube 2 has an inner diameter larger than the outer diameter of its inner cable 8. The middle pipe 2 is also divided into an upper semicircle part and a lower semicircle part, the upper part of the middle pipe 2 is fixedly connected with the upper half part 11 of the end sealing pipe 1, and the lower part of the middle pipe 2 is fixedly connected with the lower half part 12 of the end sealing pipe 1. The upper and lower semicircular parts of the middle pipe 2 are fixedly connected through the lug parts 4 arranged on both sides of the middle pipe and the fastening bolts 5, and a sealing gasket 6 is arranged between the upper and lower semicircular parts of the middle pipe 2.
As shown in fig. 3, the lower end surface of the upper half 11 of the end sealing pipe 1 and the lower end surface of the upper part of the middle pipe 2 are both provided with a convex sealing strip 3 protruding downwards, and the section of the convex sealing strip 3 is in an inverted cone shape. The upper end surface of the lower half part 12 of the end sealing pipe 1 and the upper end surface of the lower part of the middle pipe 2 are respectively provided with a sealing groove matched with the convex sealing strip 3, and the convex sealing strip 3 is inserted into the sealing groove. The sealing gasket 6 is also arranged between the convex sealing strip 3 and the sealing groove, the convex sealing strip 3 effectively prolongs the contact and sealing area between the upper half part 11 and the lower half part 12 and between the upper part and the lower part of the middle pipe 2, and the sealing effect of the whole cable corner protection device is optimized.
The middle pipe 2 is externally provided with a one-way valve 7, the one-way valve 7 is communicated with the inner cavity of the middle pipe 2, and the one-way valve 7 enables gas to flow to the outside only from the inside of the middle pipe 2 through the one-way valve 7.
Example 2:
the other contents of this embodiment are the same as embodiment 1, except that: shown by attached drawings 2 and 4, middle pipe 2 be the hose, inside the equipartition of middle pipe 2 has a plurality of annular support skeleton 2c, inside cable 8 worn to locate support skeleton 2c, support skeleton 2c diameter more than or equal to its inside cable 8's external diameter. A plurality of support frame 2c is along the axis evenly distributed of cable 8, therefore support frame 2c can not influence cable 8 and buckle.
The two ends of the middle pipe 2 are provided with inner liners 2a, and the circumferential surface of the outer side of each inner liner 2a is provided with a limiting sealing ring 2 b.
The end part sealing pipe 1 is provided with a pressing sealing ring 1a on one side facing the middle pipe 2, the pressing sealing ring 1a is sleeved on the lining 2a, a groove matched with the limiting sealing ring 2b is concavely arranged on the circumferential surface of the inner side of the pressing sealing ring 1a, and the limiting sealing ring 2b is arranged in the groove.
When the cable corner protection device is used, the cable 8 is sleeved with the cable corner protection device, and the middle pipe 2 is located at the corner of the cable 8. And then, the fastening bolt 5 is screwed down, the vacuum pump is connected with the one-way valve 7, and air in the space between the intermediate pipe 2 and the cable 8 is pumped out to form vacuum.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. A cable corner protection device characterized in that:
comprises an end sealing pipe (1) and a middle pipe (2), wherein two ends of the middle pipe (2) are respectively connected with one end sealing pipe (1), the end sealing pipe (1) and the middle pipe (2) are sleeved outside the cable,
the end sealing pipe (1) is divided into an upper half part (11) and a lower half part (12) in equal, both sides of the lower end surface of the upper half part (11) and the upper end surface of the lower half part (12) are respectively provided with an ear part (4), the ear parts (4) of the upper half part (11) and the ear parts (4) of the lower half part (12) are fixedly connected through fastening bolts (5),
the end part sealing tube (1) and the cable are provided with a sealing gasket (6) therebetween, and the lower end face of the half part (11) and the upper end face of the lower half part (12) are provided with the sealing gasket (6) therebetween.
2. The cable corner protection device of claim 1, wherein:
the middle pipe (2) is externally provided with a one-way valve (7), the one-way valve (7) is communicated with the inner cavity of the middle pipe (2), and the one-way valve (7) enables gas to flow to the outside only from the inside of the middle pipe (2) through the one-way valve (7).
3. A cable corner protection device according to any one of claims 1 or 2, wherein:
the middle pipe (2) is a steel pipe, the middle pipe (2) is a bent pipe, the inner diameter of the middle pipe (2) is larger than the outer diameter of a cable inside the middle pipe, the middle pipe (2) is also divided into an upper semicircle part and a lower semicircle part, the upper part of the middle pipe (2) is fixedly connected with the upper half part (11) of the end sealing pipe (1), the lower part of the middle pipe (2) is fixedly connected with the lower half part (12) of the end sealing pipe (1),
the upper semicircular part and the lower semicircular part of the middle pipe (2) are fixedly connected through lugs (4) arranged on two sides of the middle pipe and fastening bolts (5), and a sealing gasket (6) is arranged between the upper semicircular part and the lower semicircular part of the middle pipe (2).
4. A cable corner protection device according to claim 3, wherein:
the sealing structure is characterized in that the lower end face of the upper half part (11) of the end sealing pipe (1) and the upper end face of the middle pipe (2) are downwards protruded to form the protruding sealing strips (3), the upper end face of the lower half part (12) of the end sealing pipe (1) and the upper end face of the lower part of the middle pipe (2) are respectively provided with a sealing groove matched with the protruding sealing strips (3), and the protruding sealing strips (3) are inserted into the sealing grooves.
5. A cable corner protection device according to any one of claims 1 or 2, wherein:
the middle pipe (2) is a hose, a plurality of annular supporting frameworks (2c) are uniformly distributed in the middle pipe (2), the cable penetrates through the supporting frameworks (2c), the diameter of each supporting framework (2c) is larger than or equal to the outer diameter of the cable in the supporting framework,
two ends of the middle pipe (2) are provided with inner liners (2a), the outer circumferential surface of the inner liner (2a) is provided with a limiting sealing ring (2b),
one side of tip sealed tube (1) towards intervalve (2) be equipped with compressing tightly sealing ring (1a), compressing tightly sealing ring (1a) cover establish on inside lining (2a), compress tightly sealing ring (1a) inboard periphery go up the indent have with spacing sealing ring (2b) assorted recess, spacing sealing ring (2b) set up inside the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442496.2U CN210326811U (en) | 2019-09-02 | 2019-09-02 | Cable corner protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442496.2U CN210326811U (en) | 2019-09-02 | 2019-09-02 | Cable corner protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326811U true CN210326811U (en) | 2020-04-14 |
Family
ID=70131937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921442496.2U Expired - Fee Related CN210326811U (en) | 2019-09-02 | 2019-09-02 | Cable corner protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115602367A (en) * | 2022-10-25 | 2023-01-13 | 扬州市中能电缆有限公司（Cn） | Corrosion-resistant salt-fog-resistant low-smoke halogen-free communication cable for ships |
-
2019
- 2019-09-02 CN CN201921442496.2U patent/CN210326811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115602367A (en) * | 2022-10-25 | 2023-01-13 | 扬州市中能电缆有限公司（Cn） | Corrosion-resistant salt-fog-resistant low-smoke halogen-free communication cable for ships |
| CN115602367B (en) * | 2022-10-25 | 2023-09-22 | 扬州市中能电缆有限公司 | Corrosion-resistant salt-fog-resistant low-smoke halogen-free communication cable for ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20200902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |