CN109950859A - A kind of extra-high voltage direct-current casing joint for preventing from loosening - Google Patents
A kind of extra-high voltage direct-current casing joint for preventing from loosening Download PDFInfo
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- CN109950859A CN109950859A CN201910316932.XA CN201910316932A CN109950859A CN 109950859 A CN109950859 A CN 109950859A CN 201910316932 A CN201910316932 A CN 201910316932A CN 109950859 A CN109950859 A CN 109950859A
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- sleeve
- extra
- high voltage
- voltage direct
- preventing
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Abstract
The present invention relates to casing joint technical fields, and disclose a kind of extra-high voltage direct-current casing joint for preventing from loosening, including first sleeve, one end of the first sleeve is connected with the second casing, the inside of the first sleeve and the second casing has been fixedly attached cable respectively, the outside of the first sleeve and the second casing offers first annular slot respectively, pivot bush unit has sliding block respectively for the inside of two first annular slots, the quantity of the sliding block is eight, and eight every tetrads of sliding block are respectively distributed to the inside of two first annular slots.This prevents the extra-high voltage direct-current casing joint loosened, pass through setting thread bush, rotating cylinder, connecting rod, sliding block, ball and first annular slot, it can be rotated in first sleeve and the second casing after so that thread bush and rotating cylinder is fixed together, it prevents from distorting at cable connector, it causes cable and cable connector to relatively rotate, and then keeps the insulating layer of Exterior cable damaged.
Description
Technical field
The present invention relates to casing joint technical field, specially a kind of extra-high voltage direct-current casing joint for preventing from loosening.
Background technique
Cable sleeve is also known as protection pipe, conduit, is to permit in electrical installation for protecting the pipeline of electric wire, cable distribution
Perhaps electric wire, cable penetrating and replace.Cable sleeve is a kind of new casing material promoted the use of in power engineering, is had strong
Degree height and the high advantage of rigidity.
In order to which cable sleeve links together, usually can be all attached using casing joint, however traditional two
Upon connection, the screw thread between two connectors can gradually loosen under the action of casing shakes, and stability is poor for casing joint, and
And cable because external force rotate when, cable can relatively rotate at casing joint, be easy the insulating layer for making cable in joint
A kind of extra-high voltage direct-current casing joint for preventing from loosening is released in breakage thus.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of extra-high voltage direct-current casing joint for preventing from loosening, have
The advantages of loosening, preventing cable from distorting is prevented, solves two traditional casing joints upon connection, the spiral shell between two connectors
Line can gradually loosen under the action of casing shakes, and stability is poor, and when cable is rotated because of external force, cable and casing joint
Place can relatively rotate, and be easy the problem for the insulating layer breakage for making cable in joint.
The invention provides the following technical scheme: a kind of extra-high voltage direct-current casing joint for preventing from loosening, including first sleeve,
One end of the first sleeve is connected with the second casing, and the inside of the first sleeve and the second casing is fixedly attached respectively
There is a cable, the outside of the first sleeve and the second casing offers first annular slot respectively, two first annular slots
Internal pivot bush unit respectively has sliding block, and the quantity of the sliding block is eight, and eight every tetrads of sliding block are respectively distributed to
The inside of two first annular slots, the top of sliding block described in two groups have been respectively fixedly connected with connecting rod, connecting rod described in two groups
The other end has been respectively fixedly connected with rotating cylinder and thread bush, and one end fixing sleeve of the thread bush is connected to annulus, second casing
One end offer the second annular groove, the quadrangle of one end has been respectively fixedly connected with telescopic rod inside second annular groove, four
The other end of the telescopic rod is fixedly connected to clamping plate, and one end of the clamping plate is fixedly connected with rubber ring, stretches described in four
Pivot bush unit has a ring spring respectively for the outside of contracting bar, and movable sleeve is connected to respectively for the two sides of the two sides on the sliding block top and bottom end
Ball.
Preferably, the quantity of the cable is two, one end of one end of a cable and another cable
It is flexibly connected.
Preferably, the two sides of the sliding block are slidably connected with the two sides inside first annular slot respectively.
Preferably, the length value that the connecting rod stretches out first sleeve is greater than the thickness value of thread bush.
Preferably, one end of the annulus is flexibly connected with one end of rotating cylinder, and the outside of the annulus is equipped with anti-skid chequer.
Preferably, the thread bush is located at the inside of rotating cylinder, and the internal whorl of the outside of thread bush and rotating cylinder is socketed.
Preferably, the rubber ring is between first sleeve and clamping plate, and the one of the side of rubber ring and first sleeve
End is flexibly connected.
Preferably, one end of the ring spring is fixedly connected with the side of clamping plate, the other end of the ring spring with
Side inside second annular groove is fixedly connected.
Preferably, the quantity of the ball is four, the internal slide of the outside of four balls and first annular slot
Connection.
Be compared with the prior art, the present invention have it is following the utility model has the advantages that
1, this prevents the extra-high voltage direct-current casing joint loosened, by the way that thread bush, rotating cylinder, connecting rod, sliding block, ball is arranged
With first annular slot, it can be rotated in first sleeve and the second casing after so that thread bush and rotating cylinder is fixed together, prevent electricity
It is distorted at cable joint, cable and cable connector is caused to relatively rotate, and then keep the insulating layer of Exterior cable damaged.
2, this prevents the extra-high voltage direct-current casing joint loosened, passes through setting rubber ring, ring spring, telescopic rod and folder
Plate, after so that first sleeve and the second casing is stitched together by thread bush and rotating cylinder, meeting between first sleeve and the second casing
By the restoring force of ring spring, allow the fitting of screw thread tightly on thread bush and rotating cylinder, and then prevents thread bush and turn
Cylinder loosens, and since rubber ring makes to contact between first sleeve and clamping plate, prevents the one end for causing first sleeve from wearing
The case where.
3, this prevents the extra-high voltage direct-current casing joint loosened from making operator can by being provided with the annulus of anti-skid chequer
To pin annulus fixed thread set, and then rotating cylinder can be rotated to thread bush, be fixed on first sleeve and the second casing
Together, to improve the practicability for the extra-high voltage direct-current casing joint for preventing from loosening.
4, this prevents the extra-high voltage direct-current casing joint loosened, by the way that ball is arranged, reduces sliding block and first annular slot
Between frictional force, make sliding block slide it is more smooth, and then make rotating cylinder and thread bush rotation it is more smooth, to improve
Prevent the practicability of extra-high voltage direct-current casing joint loosened.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic cross-sectional view of structure of the invention Fig. 1；
Fig. 3 is enlarged diagram at the A of structure of the invention Fig. 2；
Fig. 4 is partial structural diagram of the present invention.
In figure: 1, first sleeve；2, the second casing；3, cable；4, first annular slot；5, sliding block；6, connecting rod；7, turn
Cylinder；8, thread bush；9, annulus；10, the second annular groove；11, telescopic rod；12, clamping plate；13, rubber ring；14, ring spring；15,
Ball.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of extra-high voltage direct-current casing joint for preventing from loosening, including first sleeve 1, first sleeve 1
One end be connected with the second casing 2, the inside of first sleeve 1 and the second casing 2 has been fixedly attached cable 3, cable 3 respectively
Quantity be two, one end of a cable 3 is flexibly connected with one end of another cable 3, first sleeve 1 and the second casing 2
Outside offer first annular slot 4 respectively, pivot bush unit has sliding block 5 respectively for the inside of two first annular slots 4, sliding block 5
Two sides are slidably connected with the two sides inside first annular slot 4 respectively, and the quantity of sliding block 5 is eight, eight every tetrads of sliding block 5
It is respectively distributed to the inside of two first annular slots 4, the top of two groups of sliding blocks 5 has been respectively fixedly connected with connecting rod 6, connecting rod 6
The length value for stretching out first sleeve 1 is greater than the thickness value of thread bush 8, and the other end of two groups of connecting rods 6, which has been respectively fixedly connected with, to be turned
Cylinder 7 and thread bush 8, thread bush 8 is located at the inside of rotating cylinder 7, and the internal whorl of the outside of thread bush 8 and rotating cylinder 7 is socketed, screw thread
One end fixing sleeve of set 8 is connected to annulus 9, and the length value that connecting rod 6 stretches out first sleeve 1 is greater than the thickness value of thread bush 8, and second
One end of casing 2 offers the second annular groove 10, and the quadrangle of 10 inside one end of the second annular groove has been respectively fixedly connected with telescopic rod
11, the other end of four telescopic rods 11 is fixedly connected to clamping plate 12, and one end of clamping plate 12 is fixedly connected with rubber ring 13, rubber
Circle 13 is between first sleeve 1 and clamping plate 12, and the side of rubber ring 13 is flexibly connected with one end of first sleeve 1, and four
Pivot bush unit has ring spring 14 respectively for the outside of telescopic rod 11, and rubber ring 13 is between first sleeve 1 and clamping plate 12, and rubber
The side of cushion rubber 13 is flexibly connected with one end of first sleeve 1, and pivot bush unit is distinguished in the two sides on 5 top of sliding block and the two sides of bottom end
There is ball 15, the quantity of ball 15 is four, and the outside of four balls 15 is connect with the internal slide of first annular slot 4.
Working principle pins annulus 9 first, prevents thread bush 8 from rotating, and rotating cylinder 7 is rotated to the outside of thread bush 8, with
The rotation of rotating cylinder 7, one end of first sleeve 1 squeeze rubber ring 13 and clamping plate 12, after one end of rotating cylinder 7 and annulus 9 contact,
Stop operating rotating cylinder 7, and under the action of 14 restoring force of ring spring, the screw thread on rotating cylinder 7 can be tight with the screw thread on thread bush 8
Tight fits together.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of extra-high voltage direct-current casing joint for preventing from loosening, including first sleeve (1), it is characterised in that: the first set
One end of pipe (1) is connected with the second casing (2), and fixing sleeve is distinguished in the inside of the first sleeve (1) and the second casing (2)
It is connected to cable (3), the outside of the first sleeve (1) and the second casing (2) offers first annular slot (4) respectively, two institutes
Stating the inside of first annular slot (4), pivot bush unit has sliding block (5) respectively, and the quantity of the sliding block (5) is eight, eight cunnings
Block (5) every tetrad is respectively distributed to the inside of two first annular slots (4), and the top of sliding block described in two groups (5) is solid respectively
Surely it being connected with connecting rod (6), the other end of connecting rod described in two groups (6) has been respectively fixedly connected with rotating cylinder (7) and thread bush (8),
One end fixing sleeve of the thread bush (8) is connected to annulus (9), and one end of second casing (2) offers the second annular groove
(10), the quadrangle of the internal one end of second annular groove (10) has been respectively fixedly connected with telescopic rod (11), four telescopic rods
(11) the other end is fixedly connected to clamping plate (12), and one end of the clamping plate (12) is fixedly connected with rubber ring (13), and four
Pivot bush unit has ring spring (14) respectively for the outside of the telescopic rod (11), the two sides on sliding block (5) top and bottom end
Movable sleeve is connected to ball (15) respectively for two sides.
2. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the cable
(3) quantity is two, and one end of a cable (3) is flexibly connected with one end of cable described in another (3).
3. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the sliding block
(5) two sides of the two sides respectively with first annular slot (4) inside are slidably connected.
4. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the connection
The length value that bar (6) stretches out first sleeve (1) is greater than the thickness value of thread bush (8).
5. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the annulus
(9) one end is flexibly connected with the one end of rotating cylinder (7), and the outside of the annulus (9) is equipped with anti-skid chequer.
6. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the screw thread
Set (8) is located at the inside of rotating cylinder (7), and the internal whorl of the outside of thread bush (8) and rotating cylinder (7) is socketed.
7. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the rubber
Circle (13) is located between first sleeve (1) and clamping plate (12), and the activity of one end of the side of rubber ring (13) and first sleeve (1)
Connection.
8. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the annular
One end of spring (14) is fixedly connected with the side of clamping plate (12), the other end and the second annular groove of the ring spring (14)
(10) internal side is fixedly connected.
9. a kind of extra-high voltage direct-current casing joint for preventing from loosening according to claim 1, it is characterised in that: the ball
(15) quantity is four, and the outside of four balls (15) is connect with the internal slide of first annular slot (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316932.XA CN109950859A (en) | 2019-04-19 | 2019-04-19 | A kind of extra-high voltage direct-current casing joint for preventing from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316932.XA CN109950859A (en) | 2019-04-19 | 2019-04-19 | A kind of extra-high voltage direct-current casing joint for preventing from loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109950859A true CN109950859A (en) | 2019-06-28 |
Family
ID=67014543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910316932.XA Withdrawn CN109950859A (en) | 2019-04-19 | 2019-04-19 | A kind of extra-high voltage direct-current casing joint for preventing from loosening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950859A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003220A (en) * | 2020-08-18 | 2020-11-27 | 澳希电力金具有限公司 | Bidirectional strain clamp |
-
2019
- 2019-04-19 CN CN201910316932.XA patent/CN109950859A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003220A (en) * | 2020-08-18 | 2020-11-27 | 澳希电力金具有限公司 | Bidirectional strain clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190628 |
|
| WW01 | Invention patent application withdrawn after publication |