CN218335296U - Thermal shrinkage type terminal cable accessory - Google Patents
Thermal shrinkage type terminal cable accessory Download PDFInfo
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- CN218335296U CN218335296U CN202222348775.0U CN202222348775U CN218335296U CN 218335296 U CN218335296 U CN 218335296U CN 202222348775 U CN202222348775 U CN 202222348775U CN 218335296 U CN218335296 U CN 218335296U
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- cable
- pyrocondensation
- cable accessory
- wall
- thermal shrinkage
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Abstract
The utility model discloses a thermal shrinkage formula terminal cable accessories, including pyrocondensation cable accessories body, the cable has been cup jointed to pyrocondensation cable accessories body, threaded connection has the protection seal cover on the outer wall of pyrocondensation cable accessories body, be provided with protection component in the pyrocondensation cable accessories body, protection component includes the elastic expansion cover, the elastic expansion cover sets up the inside at pyrocondensation cable accessories body. This heat shrink formula terminal cable accessories passes through protection component's use, when making the pyrocondensation material of the device's pyrocondensation cable accessories body expand when the temperature is higher, the elastic expansion cover can expand, laminate with the cable, the elasticity gasbag can expand simultaneously, extrude the laminating of elastic expansion cover and cable, prevent to produce the gap between pyrocondensation pipe and the cable, and when the pyrocondensation material of pyrocondensation cable accessories body contracts back, the elasticity gasbag contracts back, the elastic expansion cover recovers and lasts with the cable laminating, prevent that partial discharge's the condition from taking place.
Description
Technical Field
The utility model relates to a pyrocondensation cable accessories technical field specifically is a pyrocondensation formula terminal cable accessories.
Background
The power cable accessories are products for connecting cables with power transmission and distribution lines and related power distribution devices, generally refer to intermediate connection and terminal connection of various cables in the cable lines, and are mainly used for supporting and fixing high-voltage cables, and particularly in 27.5kv locomotives such as high-speed rail lines, the corresponding cables and cable accessories are often visible on two sides of the locomotive lines.
At present, the existing heat-shrinkable cable accessory technology is along with the continuous change of cable load, because the retraction performance of a heat-shrinkable material is poor at normal temperature, and meanwhile, after the heat-shrinkable material expands, a gap is easy to generate between a heat-shrinkable tube and a cable; in view of this, we propose a heat-shrinkable termination cable accessory.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a thermal contraction terminal cable accessory, which can solve the problems of the background art.
In order to achieve the above object, the utility model provides a thermal shrinkage formula terminal cable accessories, including pyrocondensation cable accessories body, the cable has been cup jointed to pyrocondensation cable accessories body, threaded connection has the protection seal cover on the outer wall of pyrocondensation cable accessories body, be provided with protection component in the pyrocondensation cable accessories body, protection component includes:
the elastic telescopic sleeve is arranged inside the heat-shrinkable cable accessory body;
the insulating sleeve is fixedly connected to the inner wall of the thermal shrinkage cable accessory body;
and the cavity is arranged between the elastic telescopic sleeve and the insulating sleeve.
Preferably, an inner groove is formed in the inner wall of the elastic telescopic sleeve, and a sliding block is connected in the inner groove in a sliding manner.
Preferably, one side of the sliding block, which is close to the insulating sleeve, is fixedly connected with a T rod, and one end of the T rod, which is far away from the sliding block, is fixedly connected to the insulating sleeve.
Preferably, one side of the sliding block, which is close to the insulating sleeve, is fixedly connected with an elastic rod, one side of the elastic rod, which is far away from the sliding block, is fixedly connected to the inner groove wall, and an elastic air bag is arranged inside the cavity.
Preferably, the outer wall of the thermal shrinkage cable accessory body is fixedly connected with a limiting block, and the outer wall of the thermal shrinkage cable accessory body is provided with a notch.
Preferably, one side of the protective sealing sleeve, which is close to the heat-shrinkable cable accessory body, is fixedly connected with a sealing ring.
Advantageous effects
The utility model provides a thermal contraction formula terminal cable accessories. The method has the following beneficial effects:
(1) This heat shrink formula terminal cable accessories passes through protection component's use, when making the device's pyrocondensation material of pyrocondensation cable accessories body expand when the temperature is higher, the elastic expansion sleeve can expand, laminate with the cable, the elasticity gasbag can expand simultaneously, the extrusion elastic expansion sleeve further with the cable laminating, prevent to produce the gap between pyrocondensation pipe and the cable, and when the pyrocondensation material of pyrocondensation cable accessories body contracts back, the elasticity gasbag contracts back, the elastic expansion sleeve recovers and lasts with the cable laminating, prevent that partial discharge's the condition from taking place.
(2) This thermal contraction formula terminal cable accessories passes through the use of protection seal cover and notch, can further improve the device's leakproofness, protects being connected of thermal contraction cable accessories body and cable, prevents that the hydrone from entering into the inside of thermal contraction cable accessories body and cable, reduces the condition that causes electric power harm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of the overall device of the present invention;
FIG. 2 is a schematic structural view of the heat shrinkable cable accessory of the present invention;
fig. 3 is a schematic structural view of the protective sealing sleeve of the present invention;
FIG. 4 is a schematic structural view of the protection assembly of the present invention;
fig. 5 is a schematic view of the structure a in fig. 4 according to the present invention.
The reference numbers illustrate: 1. a heat-shrinkable cable accessory body; 2. a cable; 3. a protective sealing sleeve; 4. a guard assembly; 101. a limiting block; 102. a recess; 31. a seal ring; 41. an elastic telescopic sleeve; 42. an inner tank; 43. a slider; 44. an elastic rod; 45. a T-bar; 46. an insulating sleeve; 47. a cavity; 48. an elastic air bag.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-5, the utility model provides a heat shrinkage formula terminal cable accessory, including pyrocondensation cable accessory body 1, pyrocondensation cable accessory body 1 has cup jointed cable 2, threaded connection has protection seal cover 3 on the outer wall of pyrocondensation cable accessory body 1, can improve the leakproofness of the device through protection seal cover 3, protect being connected of pyrocondensation cable accessory body 1 and cable 2, prevent that the hydrone from entering into the inside of pyrocondensation cable accessory body 1 and cable 2, reduce the condition that causes electric power harm, be provided with protection component 4 in the pyrocondensation cable accessory body 1, use through protection component 4, when making the pyrocondensation material of the device pyrocondensation cable accessory body 1 expand when the temperature is higher and the pyrocondensation material of pyrocondensation cable accessory body 1 contracts, pyrocondensation cable accessory body 1 is hugged closely with cable 2, prevent the condition of partial discharge from taking place, protection component 4 includes elastic expansion sleeve 41, and elastic expansion sleeve 41 sets up in the inside of pyrocondensation cable accessory body 1, fixedly connected with insulating sleeve 46 on the inner wall of pyrocondensation cable accessory body 1, be used for insulating sleeve 1, be provided with insulating sleeve 47 between elastic expansion sleeve 41 and the insulating sleeve 46.
In the embodiment of the utility model, in order to make pyrocondensation cable accessories body 1 hug closely with cable 2, specifically, inside groove 42 has been seted up in the inner wall of elastic expansion sleeve 41, sliding connection has slider 43 in the inside groove 42, slider 43 is close to one side fixedly connected with T pole 45 of insulating sheath 46, the one end fixed connection that slider 43 was kept away from to T pole 45 is on insulating sheath 46, slider 43 is close to one side fixedly connected with elastic rod 44 of insulating sheath 46, one side fixed connection that slider 43 was kept away from to elastic rod 44 is on inside groove 42 wall, the inside of cavity 47 is provided with elasticity gasbag 48, when pyrocondensation material at pyrocondensation cable accessories body 1 expands when the temperature is higher, elastic expansion sleeve 41 inflation and cable 2 carry out preliminary laminating, elasticity gasbag 48 can expand simultaneously, extrude further laminating with cable 2 with the elastic expansion sleeve 41, when the pyrocondensation material of pyrocondensation cable accessories body 1 contracts, elasticity gasbag 48 contracts, simultaneously under the effect of elasticity stick 44, T pole 45 resets, it lasts laminating with cable 2 to drive elastic expansion sleeve 41, reach the emergence that prevents partial discharge.
Further, in order to further improve the sealing performance of the device, the connection between the heat-shrinkable cable accessory body 1 and the cable 2 is protected, specifically, a limit block 101 is fixedly connected to the outer wall of the heat-shrinkable cable accessory body 1, a notch 102 is formed in the outer wall of the heat-shrinkable cable accessory body 1, a sealing ring 31 is fixedly connected to one side of the protective sealing sleeve 3 close to the heat-shrinkable cable accessory body 1, the protective sealing sleeve 3 is rotated, the protective sealing sleeve 3 is in threaded connection with the heat-shrinkable cable accessory body 1 under the action of the limit block 101, the protective sealing sleeve 3 is connected with the cable 2 to be sealed, the sealing ring 31 can be inserted into the notch 102, and the sealing effect of the joint between the heat-shrinkable cable accessory body 1 and the cable 2 is further improved.
The utility model discloses in, during the use, earlier cup joint cable 2 with pyrocondensation cable accessories body 1, rethread rotates protection seal cover 3 and 1 threaded connection of pyrocondensation cable accessories body, make protection seal cover 3 remove to stopper 101 department, in this in-process sealing washer 31 can insert in notch 102, further improve the sealed of pyrocondensation cable accessories body 1 and cable 2 junction, when the pyrocondensation material at pyrocondensation cable accessories body 1 expands when the temperature is higher, the expansion of elastic expansion cover 41 is tentatively laminated with cable 2, simultaneously elastic air bag 48 can expand, extrusion elastic expansion cover 41 further with the cable 2 laminating, at this moment slider 43 slides in inside groove 42, compression elastic rod 44, when the pyrocondensation material of pyrocondensation cable accessories body 1 contracts, elastic air bag 48 contracts, simultaneously under the effect of elastic rod 44, drive T pole 45 and reset, make elastic expansion cover 41 recover and continue to laminate with cable 2.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. A heat-shrinkable terminal cable accessory, comprising a heat-shrinkable cable accessory body (1), characterized in that: cable (2) have been cup jointed in pyrocondensation cable accessories body (1), threaded connection has protection seal cover (3) on the outer wall of pyrocondensation cable accessories body (1), be provided with protection component (4) in pyrocondensation cable accessories body (1), protection component (4) include:
the elastic telescopic sleeve (41), the elastic telescopic sleeve (41) is arranged inside the thermal shrinkage cable accessory body (1);
the insulating sleeve (46), the said insulating sleeve (46) is fixed on the inner wall of the body of the thermal shrinkage cable accessory (1);
and the cavity (47) is arranged between the elastic telescopic sleeve (41) and the insulating sleeve (46).
2. A heat shrink terminal cable accessory as claimed in claim 1, wherein: an inner groove (42) is formed in the inner wall of the elastic telescopic sleeve (41), and a sliding block (43) is connected in the inner groove (42) in a sliding mode.
3. A heat shrink terminal cable accessory as claimed in claim 2, wherein: one side fixedly connected with T pole (45) that slider (43) is close to insulating cover (46), the one end fixed connection that slider (43) was kept away from in T pole (45) is on insulating cover (46).
4. A heat shrink terminal cable accessory as claimed in claim 3, wherein: an elastic rod (44) is fixedly connected to one side, close to the insulating sleeve (46), of the sliding block (43), one side, far away from the sliding block (43), of the elastic rod (44) is fixedly connected to the wall of the inner groove (42), and an elastic air bag (48) is arranged inside the cavity (47).
5. A heat-shrinkable terminal cable accessory according to claim 1, wherein: the outer wall of the thermal shrinkage cable accessory body (1) is fixedly connected with a limiting block (101), and the outer wall of the thermal shrinkage cable accessory body (1) is provided with a notch (102).
6. A heat-shrinkable terminal cable accessory according to claim 1, wherein: one side of the protective sealing sleeve (3) close to the thermal shrinkage cable accessory body (1) is fixedly connected with a sealing ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222348775.0U CN218335296U (en) | 2022-09-05 | 2022-09-05 | Thermal shrinkage type terminal cable accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222348775.0U CN218335296U (en) | 2022-09-05 | 2022-09-05 | Thermal shrinkage type terminal cable accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335296U true CN218335296U (en) | 2023-01-17 |
Family
ID=84832843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222348775.0U Active CN218335296U (en) | 2022-09-05 | 2022-09-05 | Thermal shrinkage type terminal cable accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335296U (en) |
-
2022
- 2022-09-05 CN CN202222348775.0U patent/CN218335296U/en active Active
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