CN113270846B - Opposite-insertion type intermediate joint convenient to disassemble and use method thereof - Google Patents
Opposite-insertion type intermediate joint convenient to disassemble and use method thereof Download PDFInfo
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- CN113270846B CN113270846B CN202110513186.0A CN202110513186A CN113270846B CN 113270846 B CN113270846 B CN 113270846B CN 202110513186 A CN202110513186 A CN 202110513186A CN 113270846 B CN113270846 B CN 113270846B
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- plug
- terminal
- cable
- connecting piece
- internal thread
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- Cable Accessories (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to a convenient-to-disassemble oppositely-inserted intermediate joint and a use method thereof. The invention adopts a structure of inserting the front plug and the rear plug in an opposite way, the front plug and the rear plug are independent cable accessories, and the cables at the front end and the rear end are connected through the detachable connecting structure of the connecting piece, so that the conveniently detachable opposite-inserting type intermediate joint is a cable accessory which can be freely detached without damage. This convenient dismantlement is to inserting formula intermediate head still has simple structure, advantage that maneuverability is high.
Description
Technical Field
The invention relates to the field of cable accessory products, in particular to an opposite-insertion type intermediate joint convenient to disassemble.
Background
The intermediate joint refers to a cable intermediate joint, namely a cable joint in the middle of a cable line. The intermediate connector is a cable accessory for the intermediate connection of cross-linked cables or oil-immersed cables of various voltage classes. The main function is to keep the circuit smooth, keep the cable sealed, and ensure the insulation grade at the cable joint, so that the cable can run safely and reliably.
At present, the market mainly takes a cold-shrinkage type intermediate joint and a hot-shrinkage type intermediate joint as main components. The common defects of the cable stripping and cutting device are that after the cable stripping and cutting device is installed, only the middle connector can be damaged and cut when the cable stripping and cutting device is disassembled, then the connector and the crimping part of the cable cores at two ends can be cut, and the size of the cable cores is insufficient after cutting, so that the cable needs to be stripped and cut again. The disassembly of the cold-shrinkable or hot-shrinkable intermediate joint is troublesome in operation and serious in waste.
And because the cold-shrinkable intermediate joint and the heat-shrinkable intermediate joint are both formed in advance by using rubber through a mould, the section specification of the cable is more, and the traditional intermediate joint structure is difficult to realize the connection of cables with different sections. Fig. 1 is an assembly view of a cold-shrink intermediate joint and a cable after installation.
Disclosure of Invention
Therefore, the convenient and fast detachable oppositely-inserted type intermediate joint and the using method thereof are needed to be provided, so that the problems that the existing intermediate joint is destructively detached, the cable is large in reconnection obstruction, and the existing intermediate joint is difficult to realize connection of cables with different sections are solved.
In order to achieve the above object, the inventor provides a conveniently detachable oppositely-inserted intermediate joint, which comprises a front insert, a rear insert, a front insert terminal, a rear insert terminal and a connecting piece,
a front inserting cable channel which is communicated with the front and the rear is arranged in the front inserting, a rear inserting cable channel which is communicated with the front and the rear is arranged in the rear inserting, and the front inserting is matched with the rear inserting,
the front plug terminal is arranged in the front plug, the rear plug terminal is arranged in the rear plug terminal, one end of the front plug terminal is detachably connected with one end of the rear plug terminal through a connecting piece, the other end of the front plug terminal is used for being connected with a cable penetrating through the front plug terminal, and the other end of the rear plug terminal is used for being connected with the cable penetrating through the rear plug terminal.
Furthermore, one end of the front plug terminal is provided with a front plug terminal internal thread hole, one end of the rear plug terminal is provided with a rear plug terminal internal thread hole, the two ends of the connecting piece are provided with external threads, and the two ends of the connecting piece are respectively matched with the front plug terminal internal thread hole and the rear plug terminal internal thread hole.
Further, the front insert terminal female screw hole and the rear insert terminal female screw hole have different screw directions.
Furthermore, a groove is formed in one end portion, facing the rear insertion, of the front insertion, and the end portion, facing the front insertion, of the rear insertion is in adaptive connection with the groove.
Further, the groove is a tapered groove which gradually narrows from outside to inside.
Further, the middle part of the connecting piece is provided with a protruding part.
Furthermore, a step structure is arranged on the side wall of the rear insert.
Further, the front and rear inserts include an inner semiconductive layer, an outer semiconductive layer, and an intermediate insulation layer.
Furthermore, the front plug terminal, the rear plug terminal and the connecting piece are all made of conductive materials.
The inventor also provides a use method of the conveniently-disassembled oppositely-inserted type intermediate joint, the method uses one conveniently-disassembled oppositely-inserted type intermediate joint in any technical scheme, and the method comprises the following steps:
stripping cable protective layers of cables at two ends to be connected;
respectively penetrating a front plug and a rear plug into cables at two ends to be connected, wherein the adaptive ends of the front plug and the rear plug are oppositely arranged;
one end of the front plug terminal and one end of the rear plug terminal are connected through a connecting piece;
the other end of the front plug terminal is in compression joint with the end part of the cable to be connected at the front end, and the other end of the rear plug terminal is in compression joint with the end part of the cable to be connected at the rear end;
the front plug and the rear plug are matched and oppositely plugged in place.
Different from the prior art, the technical scheme has the following advantages: the invention adopts a structure of inserting the front plug and the rear plug in an opposite way, the front plug and the rear plug are independent cable accessories, and the cables at the front end and the rear end are connected through the detachable connecting structure of the connecting piece, so that the conveniently detachable opposite-inserting type intermediate joint is a cable accessory which can be freely detached without damage. This convenient dismantlement is to inserting formula intermediate head still has simple structure, advantage that maneuverability is high.
Drawings
FIG. 1 is a schematic diagram of a front plug of an opposite plug type intermediate joint of this embodiment for easy disassembly;
FIG. 2 is a schematic diagram of a rear plug of the opposite plug type intermediate joint of this embodiment for easy detachment;
fig. 3 is a schematic structural view of the opposite-insertion type intermediate joint for connecting cables according to the embodiment.
Description of reference numerals:
1. front insertion;
11. a cable channel is inserted in front;
12. a groove;
2. rear insertion;
21. a rear plug cable channel;
22. a step structure;
3. a front plug terminal;
31. the front plug terminal is provided with an internal thread hole;
4. a rear plug terminal;
41. a rear insert terminal internal threaded hole;
5. a connecting member;
51. a protrusion portion;
6. a cable to be connected at the front end;
7. a cable to be connected at the rear end.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, 2 and 3, the present invention provides a conveniently detachable plug-in type intermediate joint, which includes a front plug 1, a rear plug 2, a front plug terminal 3, a rear plug terminal 4 and a connecting member 5. The front plug terminal is used for being fixed on a cable 6 to be connected at the front end, the rear plug terminal is used for being fixed on a cable 7 to be connected at the rear end, the connecting piece is used for connecting the front plug terminal and the rear plug terminal, the connecting piece, the front plug terminal and the rear plug terminal are detachably connected, the front plug and the rear plug cover are arranged outside the cable connection position, and the structure of the cable connection position is protected.
The front insertion is internally provided with a front insertion cable channel 11 which is through from front to back, the front insertion cable channel penetrates through the front insertion cable channel to be arranged on a cable to be connected at the front end, the back insertion cable channel 21 which is through from front to back is internally provided, and the back insertion cable channel penetrates through a cable to be connected at the back end. And the front plug is matched with the rear plug, specifically, the rear end of the front plug is matched with the front end of the rear plug, the front plug is connected with the rear plug through a matched structure, and the front plug and the rear plug after connection are covered outside the joint of the cable.
The one end of preceding terminal of inserting can be dismantled with the one end of back terminal of inserting through the connecting piece and be connected, and the other end of preceding terminal of inserting is used for inserting the cable in the front with wearing to establish and is connected, and the other end of back terminal of inserting is used for inserting the cable in the back with wearing to establish and is connected. The front plug terminal and the rear plug terminal are both connected to the end of the cable, and the cable used for connecting the front plug terminal and the rear plug terminal is the cable with the shell stripped and cut.
The front plug terminal is arranged in the front plug, and the rear plug terminal is arranged in the rear plug.
In the present embodiment, the front plug terminal and the rear plug terminal are both hollow cylindrical structures. When being suitable for the connection of cables with different sections, the front plug terminal and the rear plug terminal with different specifications are selected, so that the front plug terminal and the front end to-be-connected cable are matched, and the rear plug terminal and the rear end to-be-connected cable are matched.
In this embodiment, the connection mode between the front plug terminal and the cable and the connection mode between the rear plug terminal and the cable are crimping.
The front plug terminal is detachably connected with the rear plug terminal through the connecting piece, the detachable connection is a simple and fast connection mode, generally only one plug action or knob action is needed to complete, the positioning requirement before the assembly of the front plug terminal and the rear plug terminal is low, and the disassembly is convenient and fast. The specific detachable connection mode can be as follows: simple and quick connection modes such as plug-in connection or screw-in connection and the like.
In some preferred embodiments, the connection relationship between the connecting member and the front and rear insertion terminals is a screw connection, and the specific structure is as follows: the one end of preceding spigot is provided with preceding spigot internal thread hole 31, the one end of back spigot is provided with back spigot internal thread hole 41, and the both ends of connecting piece all are provided with the external screw thread, and the both ends of connecting piece respectively with preceding spigot internal thread hole and back spigot internal thread hole looks adaptation, and preceding spigot internal thread hole of preceding spigot is towards the back spigot internal thread hole of back spigot, and the connecting piece sets up between preceding spigot and the back spigot, realizes being connected between preceding spigot and the back spigot.
In order to facilitate the screwing connection between the connecting piece and the front plug terminal or the rear plug terminal, the thread directions of the front plug terminal internal thread hole and the rear plug terminal internal thread hole are set to be different. When the front plug terminal is internally provided with the forward-rotation internal thread, the rear plug terminal is internally provided with the backward-rotation internal thread, and the external threads arranged at the two ends of the connecting piece are respectively matched with the front plug terminal internal thread hole and the rear plug terminal internal thread hole; when the internal thread of derotation is set up in the preceding insert terminal internal thread hole, set up the internal thread of derotation in the back insert terminal internal thread hole, the external screw thread that the connecting piece both ends set up respectively with preceding insert terminal internal thread hole and back insert terminal internal thread hole adaptation.
In some preferred embodiments, in order to facilitate screwing the connecting piece between the front plug terminal and the rear plug terminal or detaching the connecting piece from the front plug terminal and the rear plug terminal, a protrusion 51 is arranged in the middle of the connecting piece, and the protrusion facilitates the hand-held operation of an operator. In this embodiment, the protruding portion is cylindrical structure, and its beneficial effect lies in: the cable channel structure in inserting and inserting behind before more being convenient for the adaptation. The diameter of the protrusion part is larger than the diameters of the two end parts of the connecting piece.
In some preferred embodiments, a groove 12 is provided at one end of the front plug facing the rear plug, and the end of the rear plug facing the front plug is fittingly connected with the groove. Insert the terminal with the back respectively before fixed be after on treating the connecting cable, couple together cable connection through the connecting piece, insert towards the one end of inserting before the back and insert in the recess of inserting before, insert before with after and insert between interference fit, when will demolish before insert with after insert, need apply certain effort and just separate the two.
In a more preferred embodiment, the groove is a tapered groove which gradually narrows from outside to inside, the end structure of the rear insert which is matched with the front insert is gradually enlarged from the front to the rear, and when the rear insert is inserted into the groove of the front insert, the deeper the insertion depth is, the stronger the connection strength of the rear insert and the front insert is. Here, it is necessary to explain: the front direction refers to the direction of the front plug arranged on the cable to be connected relative to the rear plug, and the rear direction refers to the direction of the rear plug arranged on the cable to be connected relative to the front plug.
In other embodiments, the connecting structure between the front insert and the rear insert may further include a groove disposed at an end of the rear insert facing the front insert, and the end of the front insert facing the rear insert is fittingly connected with the groove.
In certain preferred embodiments, the rear insert sidewall is provided with a step structure 22. The step structure is used for limiting the insertion depth between the front insertion and the rear insertion, and the cable breakage in the front insertion or the rear insertion caused by the fact that the front insertion and the rear insertion are too deep is avoided.
In this embodiment, the front and rear inserts include an inner semiconductive layer, an outer semiconductive layer, and an intermediate insulating layer. The middle insulating layer is made of ethylene propylene diene monomer. The full-insulation, full-sealing and full-shielding layer electrified touchable cable accessory is formed by a front plug and a rear plug.
In this embodiment, the front plug terminal, the rear plug terminal and the connecting member are made of conductive materials. The front plug terminal, the rear plug terminal and the connecting piece are machined by red copper with good conductivity and then plated with tin to prevent surface oxidation.
The invention also provides a use method of the conveniently-disassembled oppositely-inserted type intermediate joint, which is used for conveniently disassembling the oppositely-inserted type intermediate joint, and comprises the following steps:
stripping cable protective layers of cables at two ends to be connected;
respectively penetrating the front plug and the rear plug into cables at two ends to be connected, wherein the adaptive ends of the front plug and the rear plug are arranged oppositely;
one end of the front plug terminal and one end of the rear plug terminal are connected through a connecting piece;
the other end of the front plug-in terminal is in compression joint with the end part of the cable to be connected at the front end, and the other end of the rear plug-in terminal is in compression joint with the end part of the cable to be connected at the rear end;
the front plug and the rear plug are matched and oppositely plugged in place.
In the embodiment, the use method of the opposite-insertion type intermediate joint convenient to disassemble is carried out according to the sequence of the steps.
Example two:
the use method of the conveniently-disassembled oppositely-inserted intermediate joint is carried out according to the following steps:
respectively penetrating a front plug and a rear plug into cables at two ends to be connected, wherein the adaptive ends of the front plug and the rear plug are oppositely arranged;
stripping cable protective layers of cables at two ends to be connected;
one end of the front plug terminal and one end of the rear plug terminal are connected through a connecting piece;
the other end of the front plug-in terminal is in compression joint with the end part of the cable to be connected at the front end, and the other end of the rear plug-in terminal is in compression joint with the end part of the cable to be connected at the rear end;
the front plug and the rear plug are matched and oppositely plugged in place.
Example three:
the use method of the oppositely-inserted type intermediate joint convenient to disassemble comprises the following steps in sequence:
respectively penetrating the front plug and the rear plug into cables at two ends to be connected, wherein the adaptive ends of the front plug and the rear plug are arranged oppositely;
stripping cable protective layers of cables at two ends to be connected;
one end of the front plug terminal is in compression joint with the end part of the cable to be connected at the front end, and one end of the rear plug terminal is in compression joint with the end part of the cable to be connected at the rear end;
the other end of the front plug terminal and the other end of the rear plug terminal are connected through a connecting piece;
the front plug and the rear plug are matched and oppositely plugged in place.
Example four:
the use method of the conveniently-disassembled oppositely-inserted intermediate joint is carried out according to the following steps:
stripping cable protective layers of cables at two ends to be connected;
one end of the front plug terminal is in compression joint with the end part of the cable to be connected at the front end, and one end of the rear plug terminal is in compression joint with the end part of the cable to be connected at the rear end;
respectively penetrating the front plug and the rear plug into cables at two ends to be connected, wherein the adaptive ends of the front plug and the rear plug are arranged oppositely;
the other end of the front plug terminal and the other end of the rear plug terminal are connected through a connecting piece;
the front plug and the rear plug are matched and oppositely plugged in place.
The length of the stripped cable protection layer of the two-end cable is generally 1-2CM.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by changing and modifying the embodiments described herein or by using the equivalent structures or equivalent processes of the content of the present specification and the attached drawings, and are included in the scope of the present patent.
Claims (7)
1. The utility model provides a convenient dismantlement is to inserting formula intermediate head which characterized in that: comprises a front plug, a rear plug, a front plug terminal, a rear plug terminal and a connecting piece,
a front inserting cable channel which is communicated with the front and the rear is arranged in the front inserting, a rear inserting cable channel which is communicated with the front and the rear is arranged in the rear inserting, and the front inserting is matched with the rear inserting,
the front plug terminal is used for being fixed on a cable to be connected at the front end, the rear plug terminal is used for being fixed on a cable to be connected at the rear end, the connecting piece is used for connecting the front plug terminal and the rear plug terminal, and the connecting piece is detachably connected with the front plug terminal and the rear plug terminal;
the front plug terminal is arranged in the front plug, the rear plug terminal is arranged in the rear plug, one end of the front plug terminal is detachably connected with one end of the rear plug terminal through a connecting piece, the other end of the front plug terminal is used for being connected with a cable penetrating in the front plug, and the other end of the rear plug terminal is used for being connected with the cable penetrating in the rear plug;
one end of the front plug-in terminal is provided with a front plug-in terminal internal thread hole, one end of the rear plug-in terminal is provided with a rear plug-in terminal internal thread hole, two ends of the connecting piece are respectively matched with the front plug-in terminal internal thread hole and the rear plug-in terminal internal thread hole, the front plug-in terminal internal thread hole of the front plug-in terminal faces the rear plug-in terminal internal thread hole of the rear plug-in terminal, and the connecting piece is arranged between the front plug-in terminal and the rear plug-in terminal to realize the connection between the front plug-in terminal and the rear plug-in terminal;
the middle part of the connecting piece is provided with a protruding part which is of a cylindrical structure, and the diameter of the protruding part is larger than that of the two end parts of the connecting piece;
and a step structure is arranged on the side wall of the rear plug and used for limiting the insertion depth between the front plug and the rear plug.
2. The convenient detachable plug-in intermediate joint according to claim 1, wherein: the thread direction of the front insert terminal internal thread hole is different from that of the rear insert terminal internal thread hole.
3. The convenient detachable plug-in intermediate joint according to claim 1, wherein: the front insertion part is provided with a groove towards one end part of the rear insertion part, and the end part of the rear insertion part towards the front insertion part is in adaptive connection with the groove.
4. The convenient detachable plug-in type intermediate joint of claim 3, wherein: the groove is a tapered groove which gradually narrows from outside to inside.
5. The convenient detachable plug-in intermediate joint according to claim 1, wherein: the front and rear inserts include an inner semiconductive layer, an outer semiconductive layer, and an intermediate insulating layer.
6. The convenient detachable plug-in type intermediate joint of claim 1, wherein: the front plug terminal, the rear plug terminal and the connecting piece are all made of conductive materials.
7. The utility model provides a convenient dismantlement is to application method of formula intermediate head of inserting which characterized in that: the method uses the convenient detachable plug-in type intermediate joint of any one of claims 1 to 6, and comprises the following steps:
stripping cable protective layers of cables at two ends to be connected;
respectively penetrating the front plug and the rear plug into cables at two ends to be connected, wherein the adaptive ends of the front plug and the rear plug are arranged oppositely;
one end of the front plug terminal and one end of the rear plug terminal are connected through a connecting piece;
the other end of the front plug terminal is in compression joint with the end part of the cable to be connected at the front end, and the other end of the rear plug terminal is in compression joint with the end part of the cable to be connected at the rear end;
the front plug and the rear plug are matched and oppositely plugged in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110513186.0A CN113270846B (en) | 2021-05-11 | 2021-05-11 | Opposite-insertion type intermediate joint convenient to disassemble and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110513186.0A CN113270846B (en) | 2021-05-11 | 2021-05-11 | Opposite-insertion type intermediate joint convenient to disassemble and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113270846A CN113270846A (en) | 2021-08-17 |
| CN113270846B true CN113270846B (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110513186.0A Active CN113270846B (en) | 2021-05-11 | 2021-05-11 | Opposite-insertion type intermediate joint convenient to disassemble and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113270846B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1105303A (en) * | 1977-03-23 | 1981-07-21 | George R. Deacon | Single optical fiber connector utilizing spherical alignment elements |
| AU1136692A (en) * | 1991-03-08 | 1992-09-10 | Alcatel N.V. | Armoured cable joint |
| AU5908294A (en) * | 1993-03-27 | 1994-09-29 | Hubbell Limited | Cable gland |
| CN202340114U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Plug type prefabricated cable terminal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203481774U (en) * | 2013-09-02 | 2014-03-12 | 广东电网公司佛山供电局 | Cable joint |
| CN209497248U (en) * | 2019-03-22 | 2019-10-15 | 福建南新电缆有限公司 | A kind of novel cable anchor tip |
| CN211720246U (en) * | 2020-04-23 | 2020-10-20 | 河南德祥电力安装有限公司 | Cable traction quick connector |
| CN112769091A (en) * | 2021-01-07 | 2021-05-07 | 广东安恒电力科技有限公司 | Quick combined type cable intermediate joint and cable intermediate connection method |
| CN214900131U (en) * | 2021-05-11 | 2021-11-26 | 福建中能电气有限公司 | Convenient dismantlement is to inserting formula intermediate head |
-
2021
- 2021-05-11 CN CN202110513186.0A patent/CN113270846B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1105303A (en) * | 1977-03-23 | 1981-07-21 | George R. Deacon | Single optical fiber connector utilizing spherical alignment elements |
| AU1136692A (en) * | 1991-03-08 | 1992-09-10 | Alcatel N.V. | Armoured cable joint |
| AU5908294A (en) * | 1993-03-27 | 1994-09-29 | Hubbell Limited | Cable gland |
| CN202340114U (en) * | 2011-12-12 | 2012-07-18 | 辽宁省电力有限公司锦州供电公司 | Plug type prefabricated cable terminal |
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| Publication number | Publication date |
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| CN113270846A (en) | 2021-08-17 |
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