CN210430893U - Cable connection sleeve and solid-sealed polar pole using same - Google Patents
Cable connection sleeve and solid-sealed polar pole using same Download PDFInfo
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- CN210430893U CN210430893U CN201921883143.6U CN201921883143U CN210430893U CN 210430893 U CN210430893 U CN 210430893U CN 201921883143 U CN201921883143 U CN 201921883143U CN 210430893 U CN210430893 U CN 210430893U
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Abstract
A cable connecting sleeve and use the solid seal terminal post of the connecting sleeve, the cable connecting sleeve includes the outer cover of the thimble; the inner conductive contact arm is arranged inside the casing pipe shell, a cavity matched with the outgoing line guide rod is formed inside the inner conductive contact arm, and a guide groove is formed in the inner side wall of the cavity; the spring contact finger is arranged in the guide groove, so that the inner conductive contact arm and the wire outlet guide rod can be conducted when the wire outlet guide rod is accommodated in the cavity; the sealing locking piece is sleeved outside the casing and can be accommodated in the cavity when being locked and connected to the outer side wall of the wire outlet arm; the outer side wall of the wire outlet arm is sleeved with the inner sealing sleeve, and when the sealing locking piece is connected to the outer side wall of the wire outlet arm in a locking mode, the inner sealing sleeve can be embedded into the sleeve shell and is abutted to the inner conductive contact arm. Therefore, the problem of insulation fault of outdoor switch equipment caused by exposed conductor is well solved, the insulation safety performance of distribution equipment is improved, and the power grid structure is optimized.
Description
Technical Field
The utility model belongs to the technical field of high tension switchgear's technique and specifically relates to indicate a cable junction box and use this connecting tube's solid utmost point post that seals.
Background
At present, the cable connection mode of outdoor pole-mounted switchgear is a mode of lapping cable noses, the joints of the cable noses and the switchgear are exposed in the air, the cable joints are the biggest weak points in a power distribution network due to the structure, and power grid faults can be caused by high-altitude falling objects or bird nesting; at the same time, the switchgear requires a larger distance between phases, resulting in an increased size of the switchgear.
Meanwhile, the insulation problem is solved by a mode of coating exposed conductive materials by using composite insulating materials such as silicon rubber and the like, but the performance requirement of insulation sealing cannot be well met, and the insulation fault of a power grid is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cable junction sleeve and use this connecting sleeve's solid utmost point post that seals, its main aim at overcome current outdoor switchgear's connected mode can lead to the defect that electric wire netting structure insulating properties is weak.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a cable connecting sleeve comprises
A cannula housing;
the inner conductive contact arm is arranged in the casing, a cavity matched with the wire outlet guide rod in the wire outlet arm of the solid-sealed polar pole is formed in the inner conductive contact arm, and a guide groove is formed in the inner side wall of the cavity;
the spring contact finger is arranged in the guide groove, so that when the wire outlet guide rod is accommodated in the cavity, the spring contact finger can conduct the inner conductive contact arm and the wire outlet guide rod;
the sealing locking piece is sleeved outside the casing so that the outgoing line guide rod can be accommodated in the cavity when the sealing locking piece is locked and connected to the outer side wall of the outgoing line arm;
the inner sealing sleeve is sleeved on the outer side wall of the outgoing arm, and when the sealing locking piece is connected to the outer side wall of the outgoing arm in a locking mode, the inner sealing sleeve can be embedded into the casing and is abutted to the inner conductive contact arm.
The outer side wall of the casing of the sleeve is provided with an annular clamping groove; the lower sealing sleeve is embedded in the annular clamping groove and protrudes out of the annular clamping groove to abut against the sealing locking piece.
Furthermore, an annular protrusion is further arranged on the outer side wall of the casing, and the sealing locking piece is clamped between the annular protrusion and the lower sealing sleeve.
Furthermore, the sealing locking piece is a sealing nut which can be in threaded connection with the outer side wall of the wire outlet arm, and the outer side wall of the sealing nut is in a polygon prism shape or a concave-convex external thread shape.
Furthermore, the wire outgoing device further comprises an upper sealing sleeve sleeved on the outer side wall of the wire outgoing arm, and when the sealing locking piece is connected to the outer side wall of the wire outgoing arm in a locking mode, the upper sealing sleeve is clamped between the sealing locking piece and the wire outgoing arm.
Further, the sleeve shell and the inner conductive contact arm are integrally formed through injection molding of a thermoplastic outdoor insulating material.
The utility model provides an gu seal utmost point post, includes utmost point post body, goes out the line arm down, go out the line arm and be located this utmost point post body upper end on going up, go out the line arm down and be located this utmost point post body lateral wall to should go out the line arm and go out the line arm down and all embed the guide arm of being qualified for the next round of competitions that extends to outside, go out on the lateral wall of line arm and the arm of being qualified for the next round of competitions down all the closure be connected with one cable junction sleeve, outside high tension cable wire extend to inside the sleeve pipe shell with interior conductive contact arm is.
Further, the sleeve shell is integrally formed with the inner conductive contact arm and the high-voltage cable conductor through injection molding of a thermoplastic outdoor insulating material.
Furthermore, the outer side walls of the upper wire outlet arm and the lower wire outlet arm respectively comprise a first outer wall and a second outer wall, the sealing locking piece is connected to the first outer wall in a locking mode, the inner sealing sleeve is sleeved on the second outer wall, and when the second outer wall is embedded into the sleeve shell, the inner sealing sleeve is clamped between the second outer wall and the sleeve shell.
Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:
1. the utility model discloses a conductive contact arm and the installation of casing shell cooperateing in setting up, the sealed piece that closes of rethread carries out the closure, utilizes the sealed and locking effect of inner seal cover, has solved outdoor switchgear well because this problem of insulation fault that the electric conductor exposes and leads to, has improved distribution equipment's insulating safety performance, has optimized the electric wire netting structure.
2. The utility model discloses in, set up the lower seal cover, can play sealed effect, can also play the limiting displacement to sealing nut.
3. The utility model discloses in, set up gland nut, when realizing fastening structure, can also dismantle repeatedly, the on-the-spot installation of the switchgear of being convenient for, the maintenance of the electric wire netting circuit of being convenient for reduces the cost of labor.
4. The utility model discloses in, the lateral wall that sets up gland nut is many prismatic form or unsmooth external lines form, can be convenient for manual and instrument fastening.
5. The utility model discloses in, the aim at who sets up the seal cover further improves sealed effect.
Drawings
Fig. 1 is a schematic structural view of the cable connecting sleeve of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the embedded pole of the present invention.
Fig. 4 is a schematic half-section view of fig. 3.
Description of reference numerals:
the pole comprises a pole body 1, an upper wire outlet arm 2, a lower wire outlet arm 3, a wire outlet guide rod 4, a cable connecting sleeve 5, a sleeve shell 51, an annular clamping groove 511, an annular protrusion 512, an inner conductive contact arm 52, a cavity 521, a guide groove 522, a spring contact finger 53, a sealing locking piece 54, an inner sealing sleeve 55, a lower sealing sleeve 56, an upper sealing sleeve 57, a high-voltage cable lead 6, a first outer wall 101 and a second outer wall 102.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Refer to fig. 1, 2, 3, and 4. A cable connecting sleeve 5 comprises
A sleeve housing 51;
the inner conductive contact arm 52 is arranged inside the casing 51, a cavity 521 matched with the outgoing guide rod 4 in the outgoing arms (2 and 3) of the solid-sealed polar pole is formed inside the inner conductive contact arm 52, and a guide groove 522 is formed in the inner side wall of the cavity 521;
the spring contact finger 53 is arranged in the guide groove 522, so that when the outgoing line guide rod 4 is accommodated in the cavity 521, the spring contact finger 53 can conduct the inner conductive contact arm 52 and the outgoing line guide rod 4;
the sealing locking piece 54 is sleeved outside the sleeve shell 51, so that when the sealing locking piece 54 is locked and connected to the outer side walls of the outgoing line arms (2 and 3), the outgoing line guide rod 4 can be accommodated in the cavity 521;
and the inner sealing sleeve 55 is sleeved on the outer side walls of the outgoing line arms (2 and 3), and when the sealing locking piece 54 is locked and connected to the outer side walls of the outgoing line arms (2 and 3), the inner sealing sleeve 55 can be embedded into the sleeve shell 51 and is abutted against the inner conductive contact arm 52.
The utility model discloses a setting up interior electrically conductive contact arm 52 and the installation that cooperatees of sleeve pipe shell 51, the sealed piece 54 that closes of rethread carries out the closure, utilizes the sealed and locking effect of inner seal cover 55, has solved outdoor switchgear well because this problem of insulation fault that the electric conductor exposes and leads to, has improved distribution equipment's insulating security performance, has optimized the electric wire netting structure.
Refer to fig. 1, 2, 3, and 4. The cable connecting sleeve 5 further comprises a lower sealing sleeve 56, and the outer side wall of the sleeve shell 51 is provided with an annular clamping groove 511; the lower seal cartridge 56 is inserted into the annular slot 511 and protrudes out of the annular slot 511 to abut against the seal locking member 54.
In addition, the outer side wall of the casing 51 has an annular protrusion 512, and the seal locking element 54 is clamped between the annular protrusion 512 and the lower sealing sleeve 56. The lower sealing sleeve 56 is arranged, so that the sealing effect can be achieved, and the limiting effect on the sealing nut can also be achieved.
Refer to fig. 1, 2, 3, and 4. The sealing locking piece 54 is a sealing nut which can be in threaded connection with the outer side walls of the wire outlet arms (2 and 3), and the outer side wall of the sealing nut is in a polygon prism shape or a concave-convex external thread shape. Set up gland nut, when realizing fastening structure, can also dismantle repeatedly, the on-the-spot installation of the switchgear of being convenient for, the maintenance of the electric wire netting circuit of being convenient for reduces the cost of labor. And the outer side wall provided with the sealing nut is in a polygon prism shape or a concave-convex external thread shape, so that the sealing nut can be conveniently fastened by hand and tools.
Refer to fig. 1, 2, 3, and 4. The cable connecting sleeve 5 further comprises an upper sealing sleeve 57 sleeved on the outer side wall of the wire outlet arm (2, 3), and when the sealing locking piece 54 is connected to the outer side wall of the wire outlet arm in a locking mode, the upper sealing sleeve 57 is clamped between the sealing locking piece 54 and the wire outlet arm. The purpose of setting up the seal cover is further improved sealed effect.
Refer to fig. 1, 2, 3, and 4. The bushing housing 51 is injection molded in one piece with the inner conductive contact arm 52 by means of a thermoplastic outdoor insulation material.
Refer to fig. 1, 2, 3, and 4. The utility model provides an gu seal utmost point post, includes utmost point post body 1, goes out the line arm 2 on, goes out the line arm 3 down, goes out the line arm 2 on and is located this utmost point post body 1 upper end, goes out the line arm 3 down and is located this utmost point post body 1's lateral wall to this goes out line arm 2 and goes out line arm 3 down and all embeds to have a guide arm 4 of being qualified for the next round of competitions that extends to the outside, goes out the line arm 2 on and all locks on the lateral wall of line arm 3 down and is connected with a cable junction sleeve 5, outside high tension cable wire 6 extends to that the inside and interior conductive contact arm 52 of cover shell 51 is pressed firmly.
Specifically, the outer side walls of the upper wire outlet arm 2 and the lower wire outlet arm 3 both include a first outer wall 101 and a second outer wall 102, the outer diameter of the second outer wall 102 is smaller than the outer diameter of the first outer wall 101, the sealing locking member 54 is connected to the first outer wall 101 in a locking manner, the inner sealing sleeve 55 is sleeved on the second outer wall 102, and when the second outer wall 102 is embedded in the casing 51, the inner sealing sleeve 55 is clamped between the second outer wall 102 and the casing 51.
Wherein the bushing shell 51 is injection molded with the inner conductive contact arm 52 and the high voltage cable conductor 6 by means of a thermoplastic outdoor insulation material. The first outer wall 101 has threads adapted to the sealing lock 54 to provide a threaded connection.
The whole solid-sealed polar pole is poured into a whole by epoxy resin or composite thermoplastic nylon materials, and the shells of the upper outgoing line arm 2 and the lower outgoing line arm 3 are made of insulating materials and are of a threaded structure. The inner sealing sleeve 55, the lower sealing sleeve 56 and the upper sealing sleeve 57 can be rubber sealing rings.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (9)
1. A cable coupling sleeve, characterized by: comprises that
A cannula housing;
the inner conductive contact arm is arranged in the casing, a cavity matched with the wire outlet guide rod in the wire outlet arm of the solid-sealed polar pole is formed in the inner conductive contact arm, and a guide groove is formed in the inner side wall of the cavity;
the spring contact finger is arranged in the guide groove, so that when the wire outlet guide rod is accommodated in the cavity, the spring contact finger can conduct the inner conductive contact arm and the wire outlet guide rod;
the sealing locking piece is sleeved outside the casing so that the outgoing line guide rod can be accommodated in the cavity when the sealing locking piece is locked and connected to the outer side wall of the outgoing line arm;
the inner sealing sleeve is sleeved on the outer side wall of the outgoing arm, and when the sealing locking piece is connected to the outer side wall of the outgoing arm in a locking mode, the inner sealing sleeve can be embedded into the casing and is abutted to the inner conductive contact arm.
2. A cable connecting sleeve according to claim 1, wherein: the outer side wall of the casing of the sleeve is provided with an annular clamping groove; the lower sealing sleeve is embedded in the annular clamping groove and protrudes out of the annular clamping groove to abut against the sealing locking piece.
3. A cable connecting sleeve according to claim 2, wherein: the outer side wall of the casing is also provided with an annular protrusion, and the sealing locking piece is clamped between the annular protrusion and the lower sealing sleeve.
4. A cable connecting sleeve according to claim 1, wherein: the sealing locking piece is a sealing nut which can be in threaded connection with the outer side wall of the wire outlet arm, and the outer side wall of the sealing nut is in a polygon prism shape or a concave-convex outer thread shape.
5. A cable connecting sleeve according to claim 1, wherein: the wire outgoing device is characterized by further comprising an upper sealing sleeve sleeved on the outer side wall of the wire outgoing arm, and when the sealing locking piece is connected to the outer side wall of the wire outgoing arm in a locking mode, the upper sealing sleeve is clamped between the sealing locking piece and the wire outgoing arm.
6. A cable connecting sleeve according to claim 1, wherein: the casing of the sleeve is integrated with the inner conductive contact arm through injection molding of thermoplastic outdoor insulating materials.
7. The utility model provides an use according to any one of claim 1 ~ 6 any one the solid utmost point post that seals of cable junction sleeve, includes utmost point post body, goes out the line arm down, go out the line arm on the utmost point post body, go out the line arm down and be located the lateral wall of this utmost point post body to this goes out the line arm and goes out the line arm all embeds to have the guide arm of being qualified for the next round of competitions to the outside, its characterized in that: the outer side walls of the upper outgoing line arm and the lower outgoing line arm are both connected with the cable connecting sleeve in a locking mode, and an external high-voltage cable lead extends into the sleeve shell and is connected and conducted with the inner conductive contact arm in a pressing mode.
8. The embedded pole of claim 7, wherein: the sleeve shell is integrally formed with the inner conductive contact arm and the high-voltage cable lead through thermoplastic outdoor insulating materials in an injection molding mode.
9. The embedded pole of claim 7, wherein: the outer side walls of the upper wire outlet arm and the lower wire outlet arm respectively comprise a first outer wall and a second outer wall, the sealing locking piece is connected to the first outer wall in a locking mode, the inner sealing sleeve is sleeved on the second outer wall, and when the second outer wall is embedded into the sleeve shell, the inner sealing sleeve is clamped between the second outer wall and the sleeve shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883143.6U CN210430893U (en) | 2019-11-04 | 2019-11-04 | Cable connection sleeve and solid-sealed polar pole using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883143.6U CN210430893U (en) | 2019-11-04 | 2019-11-04 | Cable connection sleeve and solid-sealed polar pole using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210430893U true CN210430893U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921883143.6U Active CN210430893U (en) | 2019-11-04 | 2019-11-04 | Cable connection sleeve and solid-sealed polar pole using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210430893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964778A (en) * | 2021-10-18 | 2022-01-21 | 福建德普乐能源科技有限公司 | Cable quick-connection structure |
-
2019
- 2019-11-04 CN CN201921883143.6U patent/CN210430893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964778A (en) * | 2021-10-18 | 2022-01-21 | 福建德普乐能源科技有限公司 | Cable quick-connection structure |
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