CN212811186U - Cable sheath butt joint connection structure - Google Patents
Cable sheath butt joint connection structure Download PDFInfo
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- CN212811186U CN212811186U CN202021771481.3U CN202021771481U CN212811186U CN 212811186 U CN212811186 U CN 212811186U CN 202021771481 U CN202021771481 U CN 202021771481U CN 212811186 U CN212811186 U CN 212811186U
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- cable sheath
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Abstract
The utility model relates to the technical field of power engineering, and discloses a cable sheath butt joint connecting structure, which comprises a cable sheath and a connecting sleeve, wherein the end parts of the two ends of the cable sheath are respectively provided with an annular groove, the two ends of the connecting sleeve are provided with a clamping convex ring matched with the annular grooves, the end surface of the clamping convex ring is provided with an annular sealing groove, and a sealing ring is arranged in the annular sealing groove; the outer surface center of adapter sleeve is equipped with annular positioning groove, and the tip outside of cable sheath is equipped with annular spacing groove, and the outside of adapter sleeve is equipped with two staple bolts that are semi-circular structure, and the both ends of staple bolt are outwards buckled and are extended and form the engaging lug, are equipped with the connecting hole on the engaging lug, and the inner wall center of staple bolt is equipped with the location sand grip with annular positioning groove complex, and the inner wall of staple bolt is equipped with spacing sand grip, connects through bolt, nut between the engaging lug of two staple bolts. The utility model discloses can connect into a cable pillar with many cable sheathing butt joints as required to satisfy the cable district section protection of different length, use motor-driven nimble.
Description
Technical Field
The utility model relates to an electric power engineering technical field especially relates to a cable sheathing butt joint connection structure.
Background
The cable sheath is called cable protection pipe, cable pipe, power cable pipe and the like, and is mainly installed in the section where the communication cable and the power line intersect, so that the cable sheath plays a role in protecting the cable and prevents the cable and the power line from being damaged by external pressure, tension and damage to cause accidents such as open circuit and short circuit. The existing cable protective pipes are of various types, namely a metal protective sleeve, a non-metal protective sleeve and some composite protective sleeves, but the lengths of the cable protective pipes required by the cable and power line crossing sections are different, the longer cable protective pipes are cut according to actual requirements at present to meet the required length requirements, the end parts of the cable protective pipes are difficult to be in sealed butt joint, and the cut short cable protective pipes cannot be used, so that great waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that cable sheathing among the prior art has unable sealed butt joint, provide a cable sheathing butt joint connection structure, through adapter sleeve sealing connection between this kind of cable sheathing's the tip, many cable sheathing dock the cable sheathing that forms different length according to actual demand to satisfy the cable protection length demand of different district sections.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cable sheath butt joint connecting structure is used for butt joint of end parts of two cable sheaths and comprises the cable sheaths and a connecting sleeve, wherein annular grooves are formed in the end parts of two ends of each cable sheath, clamping convex rings matched with the annular grooves are arranged at two ends of the connecting sleeve, an annular sealing groove is formed in the end face of each clamping convex ring, and a sealing ring is arranged in each annular sealing groove; the utility model discloses a cable sheath, including adapter sleeve, cable sheath, coupling sleeve, both ends are equipped with the clutch, the surface center of adapter sleeve is equipped with annular positioning groove, the tip outside of cable sheath is equipped with annular spacing groove, the outside of adapter sleeve is equipped with two semicircular structure's staple bolts, the outside bending type in both ends of staple bolt is extended outward and is formed the engaging lug, be equipped with the connecting hole on the engaging lug, the inner wall center of staple bolt be equipped with annular positioning groove complex location sand grip, the inner wall of staple bolt be located the both sides of location sand grip all be equipped with annular spacing groove complex spacing sand grip, connect through bolt, nut between. The sealing rings are arranged in the annular sealing grooves, the annular grooves at the end parts of the two cable sheaths are coaxially clamped with clamping convex rings at the two ends of the same connecting sleeve respectively, then two semicircular hoops are taken, the positioning convex strips and the limiting convex strips on the inner walls of the hoops are correspondingly clamped with the annular positioning grooves and the annular limiting grooves one by one, and finally the two hoops are connected through bolts and nuts; the end parts of the two cable sheaths can be coaxially and hermetically butted through the connecting structure, the connection is convenient, the sealing performance is good, the waterproof performance is good, and the cable sheaths with proper quantity can be selected according to actual requirements to be connected into the cable protection pipe with required length.
Preferably, the end part of the cable sheath is arranged on the outer side wall of the annular groove and provided with a plurality of positioning notches distributed along the circumferential direction, and the outer side wall of the clamping convex ring is provided with positioning convex blocks matched with the positioning notches in a one-to-one correspondence manner. The location breach is spacing with location boss joint, prevents to rotate relatively between adapter sleeve and the cable sheathing and influences the leakproofness.
Preferably, the cable sheath is made of polypropylene plastics, and a plurality of through holes are formed between the bottom surfaces of the annular grooves at the two ends of the cable sheath. The through holes can reduce the weight of the cable sheath, reduce the material cost and simultaneously increase the structural strength.
Preferably, the outer side wall of the cable sheath is uniformly provided with a plurality of radiating grooves distributed along the circumferential direction. The heat dissipation groove increases the outer surface area of the cable sheath and improves heat dissipation performance.
Preferably, the annular limiting groove and the annular positioning groove are filled with waterproof sealant. Before the hoops are connected, the waterproof sealant is filled in the annular limiting groove and the annular positioning groove, the two hoops are connected before the waterproof sealant is solidified, and the waterproof sealant plays a waterproof role after being solidified.
Therefore, the utility model discloses can connect into a cable pillar with many cable sheathing butt joints as required to satisfy the cable district section protection of different length, use flexible.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic end view of the present invention.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Fig. 5 is a partially enlarged view of the portion B in fig. 4.
Fig. 6 is a schematic structural view of the coupling sleeve.
Fig. 7 is a side cross-sectional view of the connection sleeve.
In the figure: the cable sheath comprises a cable sheath 1, an annular groove 10, a positioning notch 11, a through hole 12, an annular limiting groove 13, a heat dissipation groove 14, a connecting sleeve 2, a clamping convex ring 20, an annular sealing groove 21, a positioning convex block 22, an annular positioning groove 23, a sealing ring 3, a hoop 4, a connecting lug 40, a connecting hole 41, a positioning convex strip 42, a limiting convex strip 43, a bolt 44 and a nut 45.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the butt joint structure of cable sheaths is used for butt joint of end portions of two cable sheaths, and includes a cable sheath 1 and a connecting sleeve 2, wherein both end portions of the cable sheath 1 are provided with annular grooves 10, both ends of the connecting sleeve 2 are provided with clamping convex rings 20 matched with the annular grooves, an end surface of each clamping convex ring 20 is provided with an annular sealing groove 21, and a sealing ring 3 is arranged in each annular sealing groove 21; the end portion of the cable sheath 1 is located on the outer side wall of the annular groove and provided with a plurality of positioning notches 11 distributed along the circumferential direction, the outer side wall of the clamping convex ring 20 is provided with positioning convex blocks 22 matched with the positioning notches in a one-to-one correspondence mode, the cable sheath 1 is made of polypropylene plastics, and a plurality of through holes 12 are formed between the bottom surfaces of the annular grooves at two ends of the cable sheath.
As shown in fig. 5, 6 and 7, an annular positioning groove 23 is formed in the center of the outer surface of the connecting sleeve 2, an annular limiting groove 13 is formed in the outer side of the end portion of the cable sheath 1, waterproof sealant is filled in the annular limiting groove and the annular positioning groove, two hoops 4 in a semicircular structure are arranged on the outer side of the connecting sleeve 2, two ends of each hoop 4 are bent outwards and extend to form a connecting lug 40, a connecting hole 41 is formed in each connecting lug, a positioning protruding strip 42 matched with the annular positioning groove is arranged in the center of the inner wall of each hoop, limiting protruding strips 43 matched with the annular positioning grooves are arranged on two sides of the positioning protruding strips on the inner wall of each hoop, and the connecting lugs of the two hoops are connected through bolts; the outer side wall of the cable sheath 1 is uniformly provided with a plurality of heat dissipation grooves 14 distributed along the circumferential direction.
With the attached drawings, the principle of the utility model is as follows: the sealing ring 3 is arranged in the annular sealing groove 21, the annular grooves 10 at the end parts of the two cable sheaths 1 are coaxially clamped with the clamping convex rings 20 at the two ends of the same connecting sleeve respectively, then waterproof sealant is filled in the annular limiting groove 13 and the annular positioning groove 23, and finally the positioning convex strips and the limiting convex strips on the inner walls of the two hoops are clamped into the annular positioning grooves and the annular limiting grooves in a one-to-one correspondence manner and locked by bolts and nuts. The end parts of the two cable sheaths can be coaxially and hermetically butted through the connecting structure, the connection is convenient, the sealing performance is good, the waterproof performance is good, and a proper number of cable sheaths can be selected according to actual requirements to be connected into a cable protective pipe with required length; for example, only two types of cable protective pipes of 0.5 meter and 1 meter need to be designed, the cable protective pipes with different required lengths can be spliced, the waste is small even if the final length needs to be cut out, and the cable protective pipes can be repeatedly used after being disassembled.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (5)
1. A cable sheath butt joint connecting structure is used for butt joint of end parts of two cable sheaths and is characterized by comprising the cable sheaths and a connecting sleeve, wherein annular grooves are formed in the end parts of two ends of each cable sheath; the utility model discloses a cable sheath, including adapter sleeve, cable sheath, coupling sleeve, both ends are equipped with the clutch, the surface center of adapter sleeve is equipped with annular positioning groove, the tip outside of cable sheath is equipped with annular spacing groove, the outside of adapter sleeve is equipped with two semicircular structure's staple bolts, the outside bending type in both ends of staple bolt is extended outward and is formed the engaging lug, be equipped with the connecting hole on the engaging lug, the inner wall center of staple bolt be equipped with annular positioning groove complex location sand grip, the inner wall of staple bolt be located the both sides of location sand grip all be equipped with annular spacing groove complex spacing sand grip, connect through bolt, nut between.
2. The butt joint structure of the cable sheath according to claim 1, wherein a plurality of positioning notches are circumferentially distributed on the outer side wall of the annular groove at the end of the cable sheath, and positioning protrusions are correspondingly matched with the positioning notches one by one on the outer side wall of the clamping convex ring.
3. The butt joint structure of the cable sheath according to claim 1 or 2, wherein the cable sheath is made of polypropylene plastic, and a plurality of through holes are formed between the bottom surfaces of the annular grooves at both ends of the cable sheath.
4. The butt joint structure of the cable sheath according to claim 1 or 2, wherein the outer side wall of the cable sheath is uniformly provided with a plurality of circumferentially distributed heat dissipation grooves.
5. The butt joint structure of the cable sheath according to claim 1, wherein the annular limiting groove and the annular positioning groove are filled with waterproof sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771481.3U CN212811186U (en) | 2020-08-21 | 2020-08-21 | Cable sheath butt joint connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021771481.3U CN212811186U (en) | 2020-08-21 | 2020-08-21 | Cable sheath butt joint connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN212811186U true CN212811186U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021771481.3U Active CN212811186U (en) | 2020-08-21 | 2020-08-21 | Cable sheath butt joint connection structure |
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| CN (1) | CN212811186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205912A (en) * | 2021-05-06 | 2021-08-03 | 安徽电缆股份有限公司 | Novel high-strength antioxidant modified fluororubber cable sheath |
| CN113206488A (en) * | 2021-06-03 | 2021-08-03 | 江苏衡羽电力有限公司 | MPP power cable protection tube of high stability |
-
2020
- 2020-08-21 CN CN202021771481.3U patent/CN212811186U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205912A (en) * | 2021-05-06 | 2021-08-03 | 安徽电缆股份有限公司 | Novel high-strength antioxidant modified fluororubber cable sheath |
| CN113206488A (en) * | 2021-06-03 | 2021-08-03 | 江苏衡羽电力有限公司 | MPP power cable protection tube of high stability |
| CN113206488B (en) * | 2021-06-03 | 2022-05-24 | 江苏衡羽电力有限公司 | MPP power cable protection tube of high stability |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230913 Address after: 414, No. 100, Yanling Road, Meicheng Town, Jiande City, Hangzhou City, Zhejiang Province, 311600 Patentee after: Zhejiang Baihui Electric Co.,Ltd. Patentee after: State Grid Zhejiang Electric Power Co., Ltd. Jiande power supply Co. Patentee after: JIANDE GUANYUAN COMPLETE ELECTRICAL MANUFACTURING BRANCH, HANGZHOU ELECTRIC POWER EQUIPMENT MANUFACTURING Co.,Ltd. Patentee after: Hangzhou Jinyuan Technology Innovation Co.,Ltd. Address before: 311604 No.100 Yanling Road, Meicheng Town, Jiande City, Hangzhou City, Zhejiang Province 414 Patentee before: Zhejiang Baihui Electric Co.,Ltd. |