CN216564488U - Cable connection protection device - Google Patents
Cable connection protection device Download PDFInfo
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- CN216564488U CN216564488U CN202122855959.1U CN202122855959U CN216564488U CN 216564488 U CN216564488 U CN 216564488U CN 202122855959 U CN202122855959 U CN 202122855959U CN 216564488 U CN216564488 U CN 216564488U
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Abstract
The utility model relates to the technical field of cable joint protection, in particular to a cable wiring protection device; the cable comprises two sections of pre-butted cables which are paired left and right, wherein the opposite end parts of the paired pre-butted cables are respectively stripped of an outer coating layer so that inner conductor cores are exposed and butted together; the outer part of the two butting cables is sleeved with a protective sleeve, the protective sleeve comprises a frustum section with the end part having a small diameter at the outer end and a large diameter at the inner end, and a plurality of tightening ports with outer end openings are uniformly distributed at the outer end of the frustum section in the wall thickness direction to divide the outer end of the frustum section into a plurality of tightening blocks; the end part of the protective sleeve is provided with a driving sleeve in a matching way, and an inner hole of the driving sleeve comprises a conical hole section which is arranged at the outer end, has a small diameter at the outer end and has a large diameter at the inner end; the cable tension limiting device has the advantages of simple structure, reasonable design, better restraint on two cables to better cope with tension, and more convenience in installation and use.
Description
Technical Field
The utility model relates to the technical field of cable joint protection, in particular to a cable wiring protection device.
Background
The use of cable joints in power transmission is very common. The cable joint is between the cables, has a certain insulation and sealing effect, and can enable the two cables to form a continuous circuit.
After two cable junction, in its working process, need reply between two cables and buckle and pull, present structure is that the protective case is established to the cover outside usually and is protected, and the protection tube can deal with the operating mode of buckling of cable joint department to a certain extent, but can not retrain in order to avoid the joint position to receive the power of pulling to two cables, causes the joint position to be pulled apart or contact failure easily. In the existing structure, chinese patent (CN 213636318U) discloses a cross-linked polyethylene insulation injection-molded power cable intermediate joint, which can avoid the damage to the joint position due to bending to a certain extent, but has the disadvantages of complicated structure, inconvenient installation and use, and inability to restrain two cables to deal with tension.
Therefore, the technical personnel in the field are dedicated to develop a cable wiring protection device which has a simple structure and a reasonable design, can better restrain two cables so as to better deal with the tension and is more convenient to install and use.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a method for producing a light emitting diode
Simple structure, reasonable in design, can be better to two cables retrain with better reply pulling force, cable connection protection device that easy to assemble more used.
In order to achieve the purpose, the utility model provides a cable connection protection device which comprises two sections of pre-butted cables paired left and right, wherein the opposite end parts of the paired pre-butted cables are respectively stripped of an outer coating layer so as to expose and butt-joint inner conductor cores; the cable is characterized in that a protective sleeve is sleeved outside the two butting cables, the protective sleeve comprises a frustum section with a small outer end diameter and a large inner end diameter, and a plurality of tightening ports with outer end openings are uniformly distributed at the outer end of the frustum section in the wall thickness direction to divide the outer end of the frustum section into a plurality of tightening blocks; a driving sleeve is arranged at the end part of the protective sleeve in a matched manner, an inner hole of the driving sleeve comprises a conical hole section which is arranged at the outer end, has a small diameter at the outer end and a large diameter at the inner end, and the conical hole section is arranged in a matched manner with the frustum section; the inner hole of the driving sleeve also comprises a threaded hole section at the inner end and is in threaded fit with the protective sleeve; after the driving sleeve moves inwards, the frustum section moves axially in the conical hole, so that the tightening block is folded inwards and clamped on a coating layer outside the butt-joint cable.
When the device is used, the protective sleeve and the two driving sleeves are sleeved on one section of the butt-joint cable, and then the outer coating layers of the opposite end parts of the paired butt-joint cables are respectively stripped off, so that the inner conductor cores are exposed and butted together. After two butt joint cables in pairs are butted together, remove protective case and make protective case cover establish two butt joint cable relative tip, then set up two driving sleeve cooperations at protective case both ends again, make the screw hole section and the protective case screw-thread fit of driving sleeve, twist and move the driving sleeve and make it move towards protective case middle part, after the driving sleeve inward movement, the frustum section can make in the downthehole axial displacement of bell mouth tighten up the piece and inwards draw in and press from both sides tightly on the outside coating of butt joint cable. In the structure, the protective sleeve is axially limited relative to the two butting cables, relative sliding cannot be generated, the butting positions of the two butting cables can be better protected, and the position can be better bent. And the tightening blocks are inwards folded and clamped on the coating layer outside the butt-joint cables, so that the end parts of the two butt-joint cables have an inward movement trend, the two butt-joint cables can better deal with and bear the pulling force applied to the two butt-joint cables, and the two butt-joint cables can be better prevented from being disconnected or poorly contacted under the pulling force. In addition, in the structure, the cable clamp is more convenient to use and assemble, the clamping force on the cable can be adjusted, the structure is simple, and the disassembly and the assembly are convenient.
Preferably, the tightening ports are four tightening blocks which are uniformly distributed along the circumferential direction of the frustum section so as to divide the outer end of the frustum section into four tightening blocks.
Like this, will tighten up the mouth and set up to four to form four and tighten up the piece, what can be better holds tightly the cable, improves the reliability of whole structure.
As optimization, an annular mounting groove is formed in the inner peripheral wall of the middle of the inner hole of the protective sleeve, and a protective cushion layer with a cylindrical structure is arranged in the mounting groove.
Like this, through setting up the protection bed course, can be better protect the position that two butt joint cables link to each other to the protection bed course has fine deformation can, also can conveniently assemble.
Preferably, the protective cushion layer is made of rubber.
Like this, the protection bed course adopts the rubber material, can have better deformation protective capacities, and still has insulating sealed effect. The material of the protective cushion layer can also be designed into insulating paper.
Preferably, annular placing grooves are formed in the inner peripheral wall of the middle of the inner hole of the protective sleeve and correspond to the outer sides of the mounting grooves respectively, and O-shaped sealing rings are arranged in the placing grooves.
Therefore, the O-shaped sealing ring is designed, so that the butt joint position of the butt joint cable can be sealed, and the corrosion of water and gas is avoided.
As optimization, the tightening port comprises a rectangular port section at the outer end, a round port is further connected and arranged at the inner end of the rectangular port section, and the diameter of the round port is larger than the width of the rectangular port section.
Thus, the design of the tightening opening enables the tightening block to better draw close inwards and clasp the butt-joint cable.
And optimally, anti-skidding internal threads are arranged at the outer end of the inner hole of the protective sleeve and at the position corresponding to the frustum section.
Like this, tighten up the piece and hold tightly behind the butt joint cable, can avoid both to produce and slide, design simple more reasonable.
Preferably, the protective sleeve and the driving sleeve are made of plastic materials.
Therefore, the plastic material is adopted, and the plastic material has certain deformation protection capability and lower manufacturing cost.
Preferably, the edge of the end face of the outer end of the driving sleeve protrudes outwards to form a ring of annular limiting protrusions.
Like this, the spacing arch that actuating sleeve outer end terminal surface had makes the actuating sleeve assemble the back that targets in place, and spacing bellied outer terminal surface is located the protective case outer terminal surface outside, and spacing arch can be better buckle to the butt joint cable and play the limiting action, be unlikely to its excessive buckling to further playing the guard action, also playing the guard action to butt joint cable butt joint position, make it buckle to pull the power littleer.
In conclusion, the structure has the characteristics of simple structure and reasonable design; and can also be better to two cables retrain with better reply pulling force, avoid the cable junction back, receive the pulling force and cause the condition of contact failure, simultaneously, foretell structure is still more easy to assemble and use.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is a partially enlarged schematic view of a position a in fig. 2.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, a cable connection protection device comprises two lengths of pre-butted cables 1 paired left and right, wherein the opposite ends of the paired pre-butted cables are respectively stripped of outer coating layers 2 so as to expose and butt-joint inner conductor cores 3; the outer part of the two butting cables is sleeved with a protective sleeve 4, the protective sleeve comprises a frustum section 5 with a small outer end diameter and a large inner end diameter, and a plurality of tightening ports 6 with outer end openings are uniformly distributed at the outer end of the frustum section in the wall thickness direction to divide the outer end of the frustum section into a plurality of tightening blocks; a driving sleeve 7 is arranged at the end part of the protective sleeve in a matched manner, an inner hole of the driving sleeve comprises a conical hole section 8 which is arranged at the outer end, has a small diameter at the outer end and a large diameter at the inner end, and the conical hole section is arranged in a matched manner with the frustum section; the inner hole of the driving sleeve also comprises a threaded hole section at the inner end and is in threaded fit with the protective sleeve; after the driving sleeve moves inwards, the frustum section moves axially in the conical hole, so that the tightening block is folded inwards and clamped on a coating layer outside the butt-joint cable.
When the device is used, the protective sleeve and the two driving sleeves are sleeved on one section of the butt-joint cable, then the outer coating layers of the opposite end parts of the paired butt-joint cables are respectively stripped, and the inner conductor wire cores are exposed and butted together. After two butt joint cables in pairs are butted together, remove protective case and make protective case cover establish two butt joint cable relative tip, then set up two driving sleeve cooperations at protective case both ends again, make the screw hole section and the protective case screw-thread fit of driving sleeve, twist and move the driving sleeve and make it move towards protective case middle part, after the driving sleeve inward movement, the frustum section can make in the downthehole axial displacement of bell mouth tighten up the piece and inwards draw in and press from both sides tightly on the outside coating of butt joint cable. In the structure, the protective sleeve is axially limited relative to the two butting cables, relative sliding cannot be generated, the butting positions of the two butting cables can be better protected, and the position can be better bent. And the tightening blocks are inwards folded and clamped on the coating layer outside the butt-joint cables, so that the end parts of the two butt-joint cables have an inward movement trend, the two butt-joint cables can better deal with and bear the pulling force applied to the two butt-joint cables, and the two butt-joint cables can be better prevented from being disconnected or poorly contacted under the pulling force. In addition, in the structure, the cable clamp is more convenient to use and assemble, the holding force on the cable can be adjusted, the structure is simple, and the disassembly and the assembly are convenient.
In this embodiment, the tightening ports 6 are four tightening blocks uniformly distributed along the circumferential direction of the frustum section to divide the outer end of the frustum section into four tightening blocks.
Like this, will tighten up the mouth and set up to four to form four and tighten up the piece, can be better hold tightly the cable, improve the reliability of whole structure.
In this embodiment, an annular mounting groove is formed on the inner peripheral wall of the middle part of the inner hole of the protective sleeve, and a protective cushion 9 having a cylindrical structure is disposed in the mounting groove.
Like this, through setting up the protection bed course, can be better protect the position that two butt joint cables link to each other to the protection bed course has fine deformation can, also can conveniently assemble.
In this embodiment, the protection pad layer 9 is made of rubber.
Like this, the protection bed course adopts the rubber material, can have better deformation protective capacities, and still has insulating sealed effect. The material of the protective cushion layer can also be designed into insulating paper.
In the specific embodiment, annular placing grooves are respectively arranged on the inner peripheral wall of the middle part of the inner hole of the protective sleeve and correspond to the outer side positions of the mounting grooves, and the O-shaped sealing rings 10 are arranged in the placing grooves.
Therefore, the O-shaped sealing ring is designed, so that the butt joint position of the butt joint cable can be sealed, and the corrosion of water and gas is avoided.
In this specific embodiment, the tightening opening includes a rectangular opening section at the outer end, a circular opening is further provided at the inner end of the rectangular opening section, and the diameter of the circular opening is larger than the width of the rectangular opening section.
Thus, the design of the tightening opening enables the tightening block to better draw close inwards and clasp the butt-joint cable.
In this embodiment, the outer end of the inner hole of the protection sleeve and the part corresponding to the frustum section are provided with anti-skid internal threads 11.
Like this, tighten up the piece and hold tightly behind the butt joint cable, can avoid both to produce and slide, design simple more reasonable.
In this embodiment, the protection sleeve and the driving sleeve are made of plastic materials.
Therefore, the plastic material is adopted, and the plastic material has certain deformation protection capability and lower manufacturing cost.
In the specific embodiment, after the driving sleeve is assembled in place towards the middle of the protection sleeve, the outer end face of the driving sleeve is positioned outside the outer end face of the protection sleeve. Therefore, after the positions, corresponding to the end parts of the protective sleeves, on the two butt-joint cables are bent by a certain amount, the end parts of the driving sleeves can limit the butt-joint cables so as to prevent the butt-joint cables from being bent continuously. The position that can avoid on two butt joint cables and protective case tip to receive excessive buckling and cause the destruction.
In this embodiment, the edge of the end face of the outer end of the driving sleeve protrudes outwards to form a ring-shaped limiting protrusion 12.
Like this, the spacing arch that actuating sleeve outer end terminal surface had makes the actuating sleeve assemble the back that targets in place, and spacing bellied outer terminal surface is located the protective case outer terminal surface outside, and spacing arch can be better buckle to the butt joint cable and play the limiting action, be unlikely to its excessive buckling to further playing the guard action, also playing the guard action to butt joint cable butt joint position, make it buckle to pull the power littleer.
In conclusion, the structure has the characteristics of simple structure and reasonable design; and can also be better to two cables retrain with better reply pulling force, avoid the cable junction back, receive the pulling force and cause the condition of contact failure, simultaneously, foretell structure is still more easy to assemble and use.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A cable connection protection device comprises two sections of pre-butted cables paired left and right, wherein the opposite end parts of the paired pre-butted cables are respectively stripped of an outer coating layer so that inner conductor cores are exposed and butted together; the cable is characterized in that a protective sleeve is sleeved outside the two butting cables, the protective sleeve comprises a frustum section with a small outer end diameter and a large inner end diameter, and a plurality of tightening ports with outer end openings are uniformly distributed at the outer end of the frustum section in the wall thickness direction to divide the outer end of the frustum section into a plurality of tightening blocks; a driving sleeve is arranged at the end part of the protective sleeve in a matched manner, an inner hole of the driving sleeve comprises a conical hole section which is arranged at the outer end, has a small diameter at the outer end and a large diameter at the inner end, and the conical hole section is arranged in a matched manner with the frustum section; the inner hole of the driving sleeve also comprises a threaded hole section at the inner end and is in threaded fit with the protective sleeve; after the driving sleeve moves inwards, the frustum section moves axially in the conical hole, so that the tightening block is folded inwards and clamped on a coating layer outside the butt-joint cable.
2. A cable splice protector as claimed in claim 1 in which: the tightening ports are four tightening blocks which are uniformly distributed along the circumferential direction of the frustum section and divide the outer end of the frustum section into four tightening blocks.
3. A cable splice protector as claimed in claim 1 in which: an annular mounting groove is formed in the inner peripheral wall of the middle of the inner hole of the protective sleeve, and a protective cushion layer with a cylindrical structure is arranged in the mounting groove.
4. A cable splice protector as claimed in claim 3 in which: the protection cushion layer is made of rubber materials.
5. A cable splice protector as claimed in claim 3 in which: and annular mounting grooves are formed in the inner peripheral wall of the middle of the inner hole of the protective sleeve and correspond to the outer side positions of the mounting grooves respectively, and O-shaped sealing rings are arranged in the mounting grooves.
6. A cable splice protector as claimed in claim 1 in which: the tightening opening comprises a rectangular opening section at the outer end, a round opening is further connected and arranged at the inner end of the rectangular opening section, and the diameter of the round opening is larger than the width of the rectangular opening section.
7. A cable splice protector as claimed in claim 1 in which: the outer end of the inner hole of the protective sleeve and the part corresponding to the frustum section are provided with anti-skid internal threads.
8. A cable splice protector as claimed in claim 1 in which: the protective sleeve and the driving sleeve are made of plastic materials.
9. A cable splice protector as claimed in claim 1 in which: the edge of the end face of the outer end of the driving sleeve protrudes outwards to form a circle of annular limiting bulges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855959.1U CN216564488U (en) | 2021-11-18 | 2021-11-18 | Cable connection protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855959.1U CN216564488U (en) | 2021-11-18 | 2021-11-18 | Cable connection protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216564488U true CN216564488U (en) | 2022-05-17 |
Family
ID=81573513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122855959.1U Active CN216564488U (en) | 2021-11-18 | 2021-11-18 | Cable connection protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216564488U (en) |
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2021
- 2021-11-18 CN CN202122855959.1U patent/CN216564488U/en active Active
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