CN207217806U - A kind of high voltage protection joint - Google Patents
A kind of high voltage protection joint Download PDFInfo
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- CN207217806U CN207217806U CN201721554583.8U CN201721554583U CN207217806U CN 207217806 U CN207217806 U CN 207217806U CN 201721554583 U CN201721554583 U CN 201721554583U CN 207217806 U CN207217806 U CN 207217806U
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- guard shield
- protection
- barrel
- colloid
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Abstract
A kind of high voltage protection joint, be related to high voltage cable protection field, solve it is existing using seal closure or fluid embedding high-voltage cable joint is protected existing for volume is big, cost is high, the irreversible problem of cumbersome and operating process.Including the first guard shield provided with cylindrical external thread；The second guard shield provided with cylindrical female；Internal and external threads, which coordinate, realizes two guard shield installations；Internal after two guard shield installations is hollow structure；The first protection colloid provided with the prominent structure of annular, center is provided with cylindrical hole；Upper end is provided with the second protection colloid of the prominent structure of two annulars, and center is provided with cylindrical hole, annular recess is formed between the prominent structure of two annulars, and two high-tension cables are separately mounted in the cylindrical hole of two protection colloids；The prominent structure of annular of first protection colloid is arranged in the annular groove between the prominent structure of two annulars of the second protection colloid.The utility model small volume, cost are low, easy to operate, reliable.
Description
Technical field
It the utility model is related to high voltage cable protection technology field, and in particular to a kind of high voltage protection joint.
Background technology
" high pressure " is interpreted as at least 30kV voltages.High voltage cable is when in use, it is necessary to use joint.At present, to high-tension electricity
The protection of cable mainly realizes that once seal closure fails, then integral sealing will fail using seal closure or fluid embedding,
Protection for high-tension cable is not very reliable, and reliability is low.In addition, the high pressure for wanting to realize full line using seal closure is prevented
Shield, i.e., under equal conditions, it is desirable to accomplish the security protection of same distance, then need large volume of seal closure, be unfavorable for installing
With it is cost-effective.Directly installed during the installation of existing seal closure using screw, installation operation is got up troublesome, thus gives engineering peace
Dress causes great inconvenience.
Utility model content
In order to solve it is existing using seal closure high-tension cable is protected existing for volume is big, cost is high, cumbersome
The problem of, the utility model provides a kind of high voltage protection joint, for the end of high voltage cable to be connected into high-tension apparatus.
The utility model is that technical scheme is as follows used by solving technical problem：
A kind of high voltage protection joint of the present utility model, including：
First guard shield, the first guard shield upper end are provided with cylindrical external thread；
Second guard shield, the second guard shield upper end are provided with cylindrical female；
The first guard shield upper end cylindrical external thread is engaged with the second guard shield upper end cylindrical female,
It is hollow structure that it is internal after first guard shield and the second guard shield installation；
Also include the first protection colloid, the first protection colloid upper end is provided with the prominent structure of an annular, and center is provided with cylinder
Through hole, the first high-tension cable are arranged in the cylindrical hole of the first protection colloid；
Also include the second protection colloid, the second protection colloid upper end is provided with the prominent structure of two annulars, and center is provided with cylinder
Shape through hole, two annulars form an annular recess between protruding structure, and the second high-tension cable is arranged on the circle of the second protection colloid
In cylindricality through hole；
The prominent structure of annular of the first protection colloid be arranged on the second protection colloid the prominent structures of two annulars it
Between annular groove in, after installation, first protection colloid cylindrical hole with second protect colloid cylindrical hole
Communicate, and the junction of the first high-tension cable and the second high-tension cable is located at the prominent structure of annular of side in the second protective rubber body
Interior, integral installation is in institute after first high-tension cable, the second high-tension cable, the first protection colloid, the second protection colloid connection
State in the hollow structure inside that the first guard shield and the second guard shield are formed.
Further, first guard shield uses mechanical integrated machine-shaping, and its lower end is that vertebra is barrel-shaped, and upper end is
Cylinder, cylindrical outer wall are provided with external screw thread, and inside is hollow；
The thickness of the first guard shield upper end cylinder is less than the thickness that end cone is barrel-shaped under the first guard shield, upper
The cylindrical and barrel-shaped junction of lower end cone is held to be machined with an outstanding position limiting structure.
Further, second guard shield uses mechanical integrated machine-shaping, and its lower end is barrel-shaped to bore, and upper end is
Cylinder, cylinder shape inner wall are provided with internal thread, and inside is hollow；
The thickness of the second guard shield upper end cylinder is less than the thickness that end cone is barrel-shaped under the second guard shield, upper
The cylindrical and barrel-shaped junction of lower end cone is held to be machined with an inwardly projecting position limiting structure.
Further, the barrel-shaped size dimension barrel-shaped with end cone under the second guard shield of end cone under first guard shield
It is identical.
Further, after the first guard shield and the second guard shield installation, the first guard shield upper end
Space is left between the position limiting structure that cylindrical end face and the second guard shield upper end protrude inwardly from, meanwhile, second protection
Space is left between the outstanding position limiting structure in shell upper end cylinder end face and the first guard shield upper end.
Further, the second protection colloid lower end is barrel-shaped to bore, and the annular of side is prominent in the second protective rubber body
It is cylindrical hole among structure, the second protection colloid lower end bores barrel-shaped center and is provided with cylindrical hole, interior annular
The aperture of cylindrical hole among prominent structure is more than the aperture of the cylindrical hole at the barrel-shaped center of lower end cone, the first high-tension electricity
The junction of cable and the second high-tension cable is arranged in the cylindrical hole that the second protective rubber body interior annular protrudes structure, the
The end of cylindrical hole on two protection colloid upper end end faces and positioned at the barrel-shaped center of lower end cone is provided with one and protrudes structure, to the
Play position-limiting action in the junction of one high-tension cable and the second high-tension cable.
Further, the first protection colloid lower end is barrel-shaped to bore, the aperture of the first protection colloid cylindrical hole with
The pore size that barrel-shaped cylindrical hole is bored in second protection colloid lower end is identical；
The size dimension that the first protection colloid lower end cone is barrel-shaped with the second protection colloid lower end cone is barrel-shaped is identical.
Further, under first guard shield barrel-shaped inwall of end cone and the first protection colloid lower end bore barrel-shaped outer wall it
Between gap coordinate, the first guard shield upper end cylinder shape inner wall and the exterior annular protrusion structure of the second protection colloid upper end
Gap coordinates between outer wall, under second guard shield barrel-shaped inwall of end cone and the second barrel-shaped outer wall of protection colloid lower end cone it
Between gap coordinate.
Further, the first protection colloid, the second protection colloid, the first guard shield, the second guard shield are adopted
It is made from an insulative material.
The beneficial effects of the utility model are：
In the utility model, in order to avoid being caused the first high-tension cable to be separated with the second high-tension cable by external force, by setting
Two guard shields and two protection colloids are counted, by the first guard shield, the second guard shield to the first protection colloid, second
Protect between pressure and the first protection colloid, the second protection colloid and the first high-tension cable, the second high-tension cable of colloid
Frictional force ensures being reliably connected for the first high-tension cable and the second high-tension cable.
A kind of high voltage protection joint of the present utility model, structure is simple compared with prior art, and needs less manual work
To install, and minimum field adjustable etc. is needed to operate, it is simple to operate, it is safe and reliable during use.
A kind of high voltage protection joint of the present utility model, pass through the structure of the protection colloid of design first and the second protection colloid
And connected mode, can effectively utilize space resources, greatly increase by two high-tension cable junctions to outside electric discharge away from
From improving the degree of protection of high pressure.
A kind of high voltage protection joint of the present utility model, volume is small compared with prior art, saves cost, and installation is very convenient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of high voltage protection joint of the present utility model.
Fig. 2 is the A-A of the high voltage protection joint shown in Fig. 1 to profile.
In figure：1st, the first high-tension cable, the 2, first protection colloid, the 3, first guard shield, the 4, second guard shield, 5, the
Two protection colloids, the 6, second high-tension cable.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, a kind of high voltage protection joint of the present utility model, it is mainly used in connecting high pressure (HV) cable
It is connected on electrical equipment, situations such as so as to avoid high voltage cable from leaking electricity.
A kind of high voltage protection joint of the present utility model, it is main to include with lower component：
First guard shield 3, the first guard shield 3 use mechanical integrated machine-shaping, the lower end of the first guard shield 3
Barrel-shaped for vertebra, the upper end of the first guard shield 3 is cylinder, and external screw thread is provided with cylindrical outer wall, the first guard shield 3
Inside is hollow, and the first guard shield 3 is per se with certain thickness, also, the thickness of the upper end of the first guard shield 3 cylinder is small
In the barrel-shaped thickness of 3 times end cones of the first guard shield, therefore, one is machined with the barrel-shaped junction of lower end cone upper end is cylindrical
Individual outstanding position limiting structure, position-limiting action can be played to the part in the upper end cylinder of the first guard shield 3.
The cross section of the upper end of first guard shield 3 cylinder is circular, also, the cross section that 3 times end cones of the first guard shield are barrel-shaped
For circle.
Second guard shield 4, the second guard shield 4 use mechanical integrated machine-shaping, the lower end of the second guard shield 4
Barrel-shaped to bore, the upper end of the second guard shield 4 is cylinder, and internal thread is provided with cylinder shape inner wall, the second guard shield 4
Inside is hollow, and the second guard shield 4 is per se with certain thickness, also, the thickness of the upper end of the second guard shield 4 cylinder is small
In the barrel-shaped thickness of 4 times end cones of the second guard shield, therefore, one is machined with the barrel-shaped junction of lower end cone upper end is cylindrical
Individual inwardly projecting position limiting structure, spacing work can be played to the part installed in the upper end of the second guard shield 4 cylinder inner side
With.The cross section of the upper end of second guard shield 4 cylinder is circular, also, the cross section that 4 times end cones of the second guard shield are barrel-shaped
Also it is circle.
The size dimension that first end cone of guard shield 3 times is barrel-shaped with 4 times end cones of the second guard shield are barrel-shaped is identical.
The upper end cylindrical external thread of first guard shield 3 and the upper end cylindrical female of the second guard shield 4, which coordinate, to be realized
The connection of first guard shield 3 and the second guard shield 4.After the first guard shield 3 and the installation of the second guard shield 4,
There is certain sky between the position limiting structure that the upper end cylinder end face of first guard shield 3 and the upper end of the second guard shield 4 protrude inwardly from
Gap, meanwhile, between the outstanding position limiting structure in the upper end cylinder end face of the second guard shield 4 and the upper end of the first guard shield 3
There is a fixed gap.
Also include the first protection colloid 2, the lower end of the first protection colloid 2 is barrel-shaped to bore, and the upper end of the first protection colloid 2 is set
The prominent structure of an annular is equipped with, the prominent structure of annular is on the first protection colloid 2 upper end end face, in the first protection colloid 2
The heart is provided with cylindrical hole.
Also include the second protection colloid 5, the lower end of the second protection colloid 5 is barrel-shaped to bore, and the upper end of the second protection colloid 5 is set
The prominent structure of two annulars is equipped with, the prominent structure of annular is on the second protection colloid 5 upper end end face, the prominent knot of the two annulars
An annular recess is formed between structure, is cylindrical hole among the prominent structure of annular of inner side, second protects 5 times end cone buckets of colloid
The center of shape is also equipped with cylindrical hole, and the aperture that interior annular protrudes the cylindrical hole among structure is more than lower end cone bucket
The aperture of the cylindrical hole at shape center, on the second protection colloid 5 upper end end face and positioned at the end set of cylindrical hole
There is a protrusion structure, mainly play position-limiting action.
The aperture of the cylindrical hole of first protection colloid 2 and the pore size of the cylindrical hole of the second protection colloid 5
It is identical.The size dimension that first protection 2 times end cones of colloid are barrel-shaped with second protection 5 times end cones of colloid are barrel-shaped is identical.First protection
The maximum gauge in the barrel-shaped section of 2 times end cones of colloid and the upper end exterior annular of the second protection colloid 5 protrude the cross section of structure most
Major diameter is identical.
The prominent structure of annular on first protection colloid 2 be arranged on the second protection colloid 5 the prominent structure of two annulars it
Between annular groove in, after installation, then by first protection colloid 2 with second protect the integral installation of colloid 5 prevent by first
In the entirety that the shield guard shield 4 of shell 3 and second is connected through a screw thread.
After the completion of first guard shield 3, the second guard shield 4, first protection protection colloid 5 of colloid 2, second are respectively mounted,
As shown in Fig. 2 formed between the barrel-shaped inwall of 3 times end cones of the first guard shield and the first protection barrel-shaped outer wall of 2 times end cones of colloid
One gap, in addition, the exterior annular in the upper end cylinder shape inner wall of the first guard shield 3 and the second protection colloid 5 upper end is protruded and tied
A gap is formed between structure outer wall, meanwhile, in the barrel-shaped inwall of 4 times end cones of the second guard shield and second protection 5 times end cones of colloid
A gap is formed between barrel-shaped outer wall.
After first high-tension cable 1 is connected with the second high-tension cable 6, it is anti-to be installed in the first protection colloid 2 and second
Protect in the central through hole that colloid 5 is formed, and the first high-tension cable 1 is protected in the cylindrical hole of colloid 2 positioned at first, second
In the cylindrical center through hole of the second protection colloid 5, the first high-tension cable 1 connects high-tension cable 6 with the second high-tension cable 6
The upper end interior annular of the second protection colloid 5 is arranged at head to protrude in the cylindrical hole of structure.
First high-tension cable 1 is connected with the second high-tension cable 6 usually using pin and box sub, in order to avoid being caused by external force
One high-tension cable 1 separates with the second high-tension cable 6, and existing way is to coordinate glue to be fixed using other connector.And
In the utility model, the first guard shield 3, the second guard shield 4 to first protection colloid 2, second protect colloid 5 pressure with
And first the frictional force protected between colloid 5 and first high-tension cable 1, the second high-tension cable 6 of protection colloid 2, second ensure the
One high-tension cable 1 and the second high-tension cable 6 are reliably connected.
First protection colloid 2, second protects the structure design of colloid 5 to utilize effective space, significantly increases
First high-tension cable 1 and the junction of the second high-tension cable 6 improve high voltage protection grade to the arcing distance of outside.
In present embodiment, the first protection colloid 2, second protects colloid 5, the first guard shield 3, the second guard shield 4
Adopt and be made from an insulative material.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- A kind of 1. high voltage protection joint, it is characterised in that including：First guard shield (3), the first guard shield (3) upper end are provided with cylindrical external thread；Second guard shield (4), the second guard shield (4) upper end are provided with cylindrical female；First guard shield (3) the upper end cylindrical external thread and the second guard shield (4) upper end cylindrical female match Close, first guard shield (3) is hollow structure with its inside after the second guard shield (4) installation；Also include the first protection colloid (2), first protection colloid (2) upper end is provided with the prominent structure of an annular, and center is provided with cylinder Shape through hole, the first high-tension cable (1) are arranged in the cylindrical hole of the first protection colloid (2)；Also include the second protection colloid (5), second protection colloid (5) upper end is provided with the prominent structure of two annulars, and center is provided with circle Cylindricality through hole, two annulars form an annular recess between protruding structure, and the second high-tension cable (6) is arranged on the second protection colloid (5) in cylindrical hole；The prominent structure of annular of the first protection colloid (2) is arranged on the prominent structure of two annulars of the second protection colloid (5) Between annular groove in, after installation, first protection colloid (2) cylindrical hole with second protect colloid (5) circle Cylindricality through hole communicates, and the junction of the first high-tension cable (1) and the second high-tension cable (6) is interior positioned at the second protection colloid (5) In the prominent structure of annular of side, first high-tension cable (1), the second high-tension cable (6), the first protection colloid (2), second prevent Integral installation is in first guard shield (3) and the inner hollow knot of the second guard shield (4) formation after protecting colloid (5) connection In structure.
- 2. a kind of high voltage protection joint according to claim 1, it is characterised in that first guard shield (3) uses Mechanical integrated machine-shaping, its lower end are that vertebra is barrel-shaped, and upper end is cylinder, and cylindrical outer wall is provided with external screw thread, and inside is It is hollow；The thickness of first guard shield (3) the upper end cylinder is less than the thickness that end cone is barrel-shaped under the first guard shield (3), Upper end is cylindrical to be machined with an outstanding position limiting structure with the barrel-shaped junction of lower end cone.
- 3. a kind of high voltage protection joint according to claim 2, it is characterised in that second guard shield (4) uses Mechanical integrated machine-shaping, its lower end is barrel-shaped to bore, and upper end is cylinder, and cylinder shape inner wall is provided with internal thread, and inside is It is hollow；The thickness of second guard shield (4) the upper end cylinder is less than the thickness that end cone is barrel-shaped under the second guard shield (4), Upper end is cylindrical to be machined with an inwardly projecting position limiting structure with the barrel-shaped junction of lower end cone.
- A kind of 4. high voltage protection joint according to claim 3, it is characterised in that the first guard shield (3) lower end It is identical to bore the size dimension that end cone is barrel-shaped under barrel-shaped (4) with the second guard shield.
- 5. a kind of high voltage protection joint according to claim 3, it is characterised in that in the first guard shield (3) and second After guard shield (4) installation, the first guard shield (3) upper end cylinder end face and the second guard shield (4) upper end Space is left between inwardly projecting position limiting structure, meanwhile, the second guard shield (4) upper end cylinder end face is anti-with first Space is left between the outstanding position limiting structure in shield shell (3) upper end.
- A kind of 6. high voltage protection joint according to claim 1, it is characterised in that described second protection colloid (5) lower end It is barrel-shaped to bore, it is cylindrical hole among the prominent structure of annular on the inside of second protection colloid (5), second protective rubber The barrel-shaped center of end cone is provided with cylindrical hole under body (5), and the aperture that interior annular protrudes the cylindrical hole among structure is big In the aperture of the cylindrical hole at the barrel-shaped center of lower end cone, the junction of the first high-tension cable (1) and the second high-tension cable (6) is pacified Protruded mounted in second protection colloid (5) interior annular in the cylindrical hole of structure, on second protection colloid (5) upper end end face And the end of the cylindrical hole positioned at the barrel-shaped center of lower end cone is provided with one and protrudes structure, to the first high-tension cable (1) and second Play position-limiting action in the junction of high-tension cable (6).
- A kind of 7. high voltage protection joint according to claim 6, it is characterised in that described first protection colloid (2) lower end Barrel-shaped to bore, the cylinder that the aperture of first protection colloid (2) cylindrical hole is barrel-shaped with end cone under the second protection colloid (5) is led to The pore size in hole is identical；The size dimension that end cone is barrel-shaped with end cone under the second protection colloid (5) is barrel-shaped under the first protection colloid (2) is identical.
- 8. a kind of high voltage protection joint according to claim 3 or 7, it is characterised in that under first guard shield (3) Gap coordinates between the barrel-shaped outer wall of end cone under the barrel-shaped inwall of end cone and the first protection colloid (2), on first guard shield (3) Gap between cylinder shape inner wall and the exterior annular protrusion structure outer wall of second protection colloid (5) upper end is held to coordinate, described second The barrel-shaped inwall of end cone and second protects gap cooperation between the barrel-shaped outer wall of end cone under colloid (5) under guard shield (4).
- 9. a kind of high voltage protection joint according to claim 1, it is characterised in that the first protection colloid (2), second Protection colloid (5), the first guard shield (3), the second guard shield (4) are adopted and are made from an insulative material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554583.8U CN207217806U (en) | 2017-11-20 | 2017-11-20 | A kind of high voltage protection joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554583.8U CN207217806U (en) | 2017-11-20 | 2017-11-20 | A kind of high voltage protection joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217806U true CN207217806U (en) | 2018-04-10 |
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ID=61819156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554583.8U Active CN207217806U (en) | 2017-11-20 | 2017-11-20 | A kind of high voltage protection joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635114A (en) * | 2020-12-14 | 2021-04-09 | 南京金焊焊接实业有限公司 | Noninductive coaxial cable for welding mechanical arm |
-
2017
- 2017-11-20 CN CN201721554583.8U patent/CN207217806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635114A (en) * | 2020-12-14 | 2021-04-09 | 南京金焊焊接实业有限公司 | Noninductive coaxial cable for welding mechanical arm |
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