CN212462139U - Anti-pull wire connector - Google Patents

Anti-pull wire connector Download PDF

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Publication number
CN212462139U
CN212462139U CN202021057073.1U CN202021057073U CN212462139U CN 212462139 U CN212462139 U CN 212462139U CN 202021057073 U CN202021057073 U CN 202021057073U CN 212462139 U CN212462139 U CN 212462139U
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China
Prior art keywords
female
shell
public
head
nut
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CN202021057073.1U
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Chinese (zh)
Inventor
林伟强
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Dongguan Senyuan Electronic Technology Co ltd
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Dongguan Senyuan Electronic Technology Co ltd
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Abstract

The utility model discloses an anti-pulling electric wire connector, including public head, female head, public shell, female shell, first winding post and the second winding post that cooperatees with public head, public head and female head are whole to be the cylinder size, public head internal fixation is provided with the contact pin, female head internal fixation is provided with the socket that is used for the contact pin to insert, public shell overlaps in the face of cylinder of public head, and the inner wall of public shell and the face of cylinder of public head are threaded connection each other, female shell overlaps in the face of cylinder of female head, and the inner wall of female shell and the face of cylinder of female head are threaded connection each other; a first spiral groove is formed in the side surface of the first winding column in the surrounding mode, the first winding column is arranged in the male shell, a second spiral groove is formed in the side surface of the second winding column in the surrounding mode, and the second winding column is arranged in the female shell; the utility model has the advantages of repeated use and difficult damage of the electric wire.

Description

Anti-pull wire connector
Technical Field
The utility model relates to an electrical accessories technical field especially relates to a wire connector.
Background
The connector is commonly used for connecting wires, and after a core of a wire is welded with a terminal in the connector by the existing partial connector, in order to prevent the wire from being torn off from the terminal, the tension between the wire and the terminal is increased by pouring epoxy resin into a shell, and the scheme has the defect that parts are difficult to be separated again and reused after being connected together by the epoxy resin; another kind of solution is through design staple bolt structure in the shell, passes through the staple bolt with the electric wire and fixes in the shell, and its defect lies in the electric wire that may damage outer, and when staple bolt locking back, the staple bolt edge is absorbed in the shell of electric wire easily, when dragging the electric wire, the outer of electric wire is absorbed in the department easily at the staple bolt and is torn, influences the electric conductivity of electric wire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a repeatedly usable, the anti electric wire connector that pulls of not fragile electric wire to solve the problem that proposes in the background art.
In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
the utility model provides an anti cable connector that draws, includes public head and the female head that cooperatees with public head, public head and female head whole all are the cylinder size, public head internal fixation is provided with the contact pin, female head internal fixation is provided with the socket that is used for the contact pin to insert, the utility model discloses still include public shell, female shell, first winding post and second winding post, public shell overlaps in the face of cylinder of public head, and the inner wall of public shell and the face of cylinder of public head are threaded connection each other, female shell overlaps in the face of cylinder of female head, and the inner wall of female shell and the face of cylinder of female head are threaded connection each other;
the side surface of the first winding column is circumferentially provided with a first spiral groove, the first winding column is arranged in the male shell, the side surface of the second winding column is circumferentially provided with a second spiral groove, and the second winding column is arranged in the female shell.
Further, still include public nut and female nut, public nut cover is in the face of cylinder of public head, and the card is equipped with first expander ring between public nut and public head, female nut overlaps in the face of cylinder of female head, the card is equipped with the second expander ring between female nut and the female head, public nut and the mutual threaded connection of female nut.
Further, still include first inlet pipe and second inlet pipe, first inlet pipe spiral shell is in the one end of keeping away from female shell at public shell, the second inlet pipe spiral shell is in the one end of keeping away from public shell at female shell.
Further, still include first sealing washer and second sealing washer, first sealing washer is located public shell, and first sealing washer card is established between first winding post and the first spool of going into, the second sealing washer is located female shell, and the second sealing washer card is established between second winding post and the second spool of going into.
Further, the surface of the male nut is also provided with first anti-slip threads, and the surface of the female nut is also provided with second anti-slip threads.
Further, still be provided with the third sealing washer between public shell and the public nut, still be provided with the fourth sealing washer between female shell and the female nut.
The utility model has the advantages that: the utility model discloses pass public shell with one of two electric wires, then after the heart yearn of this electric wire and contact pin electric property welding, twine the electric wire in the first helicla flute, then put into public shell with first winding post, and with public shell and public first threaded connection, pull the electric wire this moment, the pulling force that the electric wire received equals the frictional force between electric wire and the first winding post, that is to say the pulling force that the electric wire received is offset in the first helicla flute, because first winding post supports in the bottom of public shell, so contact pin and electric wire welding department can not receive the pulling force influence, compare with prior art, the utility model discloses avoided tearing the outer possibility of electric wire, the electric wire also can used repeatedly simultaneously;
in a similar way, pass female shell with another electric wire, then after the sinle silk of this electric wire and socket electric property welding, twine this electric wire in the second helicla flute, then put into female shell with second winding post, and with female shell and female first threaded connection, when dragging this electric wire, the pulling force that the electric wire received equals the frictional force between electric wire and the second winding post, that is to say the pulling force that the electric wire received is offset in the second helicla flute, because the bottom at female shell is supported to second winding post, so socket and electric wire welding department can not receive the pulling force influence, compare with prior art, the utility model discloses avoided tearing the outer possibility of electric wire, the electric wire also can used repeatedly simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a schematic view of a part of the structure of the present invention.
The reference signs are:
a male head 1, a pin 11, a first expansion ring 12,
the female head 2, the socket 21, the second expansion ring 22,
the length of the male housing 3, the female housing 4,
the first winding cylinder 5, the first spiral groove 51,
the second winding cylinder 6, the second spiral groove 61,
the length of the male nut 71, the female nut 72,
the first inlet pipe 81, the second inlet pipe 82,
a first seal ring 91, a second seal ring 92, a third seal ring 93 and a fourth seal ring 94.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings, as shown in fig. 1 to 3, an anti-pull electric wire connector comprises a male connector 1, a female connector 2 matched with the male connector 1, a male housing 3, a female housing 4, a first winding post 5, a second winding post 6, a male screw cap 71, a female screw cap 72, a first wire inlet tube 81, a second wire inlet tube 82, a first sealing ring 91 and a second sealing ring 92, wherein the male connector 1 and the female connector 2 are integrally cylindrical, a pin 11 is fixedly arranged in the male connector 1, a socket 21 for inserting the pin 11 is fixedly arranged in the female connector 2, the male connector 3 is sleeved on the cylindrical surface of the male connector 1, that is, a part of the male connector 1 is positioned in the male connector 3, and the inner wall of the male connector 3 is in threaded connection with the cylindrical surface of the male connector 1; the female housing 4 is sleeved on the cylindrical surface of the female head 2, that is, a part of the female head 2 is positioned in the female housing 4, and the inner wall of the female housing 4 is in threaded connection with the cylindrical surface of the female head 2.
The male nut 71 is sleeved on the cylindrical surface of the male head 1, a first expansion ring 12 is clamped between the male nut 71 and the male head 1, the female nut 72 is sleeved on the cylindrical surface of the female head 2, a third sealing ring 93 is also arranged between the male shell 3 and the male nut 71, so that the male shell 3 and the male nut 71 are sealed, and the male nut 71 is clamped on the cylindrical surface of the male head 1 by the first expansion ring 12, so that the male nut 71 can rotate around the central shaft thereof and can move along the central shaft of the male nut 71 within a certain range; a second expansion ring 22 is clamped between the female nut 72 and the female head 2, the male nut 71 and the female nut 72 are in threaded connection with each other, the female nut 72 is clamped on the cylindrical surface of the female head 2 by the second expansion ring 22, so that the female nut 72 can rotate around the central shaft of the female nut 72 and can move along the central shaft of the male nut 71 within a certain range, and the arrangement is favorable for the threaded connection between the male nut 71 and the female nut 72; a fourth sealing ring 94 is further disposed between the female housing 4 and the female nut 72, so that the female housing 4 and the female nut 72 are sealed.
The outer surface of the male screw cap 71 is also provided with first anti-slip threads, and the outer surface of the female screw cap 72 is also provided with second anti-slip threads, so that the anti-slip function during manual rotation is facilitated.
First helicla flute 51 has been seted up around the side of first winding post 5, first winding post 5 is located in public shell 3, pass public shell 3 with one of two electric wires, then after the heart yearn of this electric wire and contact pin 11 electric property welding, twine the electric wire in first helicla flute 51, then put first winding post 5 into public shell 3, and with public shell 3 and 1 threaded connection of public head, pull the electric wire this moment, the pulling force that the electric wire received equals the frictional force between electric wire and first winding post 5, that is to say the pulling force that the electric wire received is offset in first helicla flute 51, because first winding post 5 supports in the bottom of public shell 3, so contact pin 11 and electric wire welding department can not receive the pulling force influence, this principle is similar to: winding the wire around a fixed cylinder, pulling one end of the wire, and making the other end of the wire difficult to pull because the friction between the wire and the cylinder is equal to the pulling force applied to the wire; compared with the prior art, the utility model discloses avoided tearing the outer possibility of electric wire, not fragile electric wire also can used repeatedly simultaneously.
A second spiral groove 61 is formed on the side surface of the second winding column 6 in the surrounding mode, and the second spiral groove is formed in the female shell 4; pass female shell 4 with another electric wire, then after the sinle silk of this electric wire and socket 21 electric property welding, twine this electric wire in second helicla flute 61, then put into female shell 4 with second winding post 6, and with female shell 4 and female first 2 threaded connection, when dragging this electric wire, the pulling force that the electric wire received equals the frictional force between electric wire and the second winding post 6, that is to say the pulling force that the electric wire received is offset in second helicla flute 61, because second winding post 6 supports the bottom at female shell 4, so socket 21 can not receive the pulling force influence with the electric wire welding department, compare with prior art, the utility model discloses avoided tearing the outer possibility of electric wire, not fragile electric wire, also can used repeatedly simultaneously.
First income spool 81 threads and closes the one end of keeping away from female shell 4 at public shell 3, and second income spool 82 threads and closes the one end of keeping away from public shell 3 at female shell 4, and first sealing washer 91 is located public shell 3, and first sealing washer 91 card is established between first winding post 5 and first income spool 81, and second sealing washer 92 is located female shell 4, and second sealing washer 92 card is established between second winding post 6 and second income spool 82, sets up first sealing washer 91 and second sealing washer 92's aim at and realizes the utility model discloses the sealing at both ends.
The utility model discloses a theory of operation does: one of the two wires passes through the first wire inlet pipe 81, the first sealing ring 91 and the male housing 3 in sequence, then the core wire of the wire is electrically welded with the contact pin 11, the wire is wound in the first spiral groove 51, then the first winding post 5 is placed in the male housing 3, and the male housing 3 is in threaded connection with the male head 1, at this time, two ends of the first winding post 5 respectively abut against the male head 1 and the first sealing ring 91, when the wire is pulled, the pulling force applied to the wire is equal to the friction force between the wire and the first winding post 5, that is, the pulling force applied to the wire is offset in the first spiral groove 51, because the first winding post 5 abuts against the first sealing ring 91, and the first sealing ring 91 abuts against the bottom end of the male housing 3, the welding part of the contact pin 11 and the wire is not influenced by the pulling force, compared with the prior art, the utility model avoids the possibility of tearing the outer layer of the wire, the electric wire is not easy to damage, and can be repeatedly used;
similarly, another wire passes through the second wire inlet tube 82, the second sealing ring 92 and the female housing 4 in sequence, then the core of the wire is electrically welded to the socket 21, the wire is wound in the second spiral groove 61, then the second winding post 6 is placed in the female housing 4, and the female housing 4 is in threaded connection with the female head 2, both ends of the second winding post 6 are respectively abutted against the female head 2 and the second sealing ring 92, when the wire is pulled, the pulling force applied to the wire is equal to the friction force between the wire and the second winding post 6, that is, the pulling force applied to the wire is offset in the second spiral groove 61, because the second winding post 6 is abutted against the second sealing ring 92, and the second sealing ring 92 is abutted against the bottom end of the female housing 4, the welding position of the socket 21 and the wire is not influenced by the pulling force, compared with the prior art, the utility model avoids the possibility of tearing the outer layer of the wire, the electric wire is not easy to damage, and the electric wire can be repeatedly used.
The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides an anti cable connector that pulls, includes public head and female head with public head matched with, public head and female head are whole all to be the cylinder size, public first internal fixation is provided with the contact pin, female head internal fixation is provided with and is used for contact pin male socket, its characterized in that: the device comprises a male shell, a female shell, a first winding column and a second winding column, wherein the male shell is sleeved on the cylindrical surface of a male head, the inner wall of the male shell is in threaded connection with the cylindrical surface of the male head, the female shell is sleeved on the cylindrical surface of the female head, and the inner wall of the female shell is in threaded connection with the cylindrical surface of the female head;
the side surface of the first winding column is circumferentially provided with a first spiral groove, the first winding column is arranged in the male shell, the side surface of the second winding column is circumferentially provided with a second spiral groove, and the second winding column is arranged in the female shell.
2. A pull-resistant electrical wire connector as claimed in claim 1, wherein: still include public nut and female nut, public nut cover is in the face of cylinder of public head, and the card is equipped with first expander between public nut and public head, female nut overlaps in the face of cylinder of female head, the card is equipped with the second expander between female nut and the female head, public nut and the mutual threaded connection of female nut.
3. A pull-resistant electrical wire connector as claimed in claim 1, wherein: still include first inlet pipe and second inlet pipe, first inlet pipe spiral shell is close and is kept away from the one end of female shell at public shell, the spiral shell is close and is kept away from the one end of public shell at female shell to the second inlet pipe spiral shell.
4. A pull-resistant electrical wire connector as claimed in claim 3, wherein: still include first sealing washer and second sealing washer, first sealing washer is located public shell, and first sealing washer card is established between first winding post and first income spool, the second sealing washer is located female shell, and the second sealing washer card is established between second winding post and second income spool.
5. A pull-resistant electrical wire connector as claimed in claim 2, wherein: the surface of the male nut is also provided with first anti-slip threads, and the surface of the female nut is also provided with second anti-slip threads.
6. A pull-resistant electrical wire connector as claimed in claim 2, wherein: still be provided with the third sealing washer between public shell and the public nut, still be provided with the fourth sealing washer between female shell and the female nut.
CN202021057073.1U 2020-06-10 2020-06-10 Anti-pull wire connector Active CN212462139U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021057073.1U CN212462139U (en) 2020-06-10 2020-06-10 Anti-pull wire connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021057073.1U CN212462139U (en) 2020-06-10 2020-06-10 Anti-pull wire connector

Publications (1)

Publication Number Publication Date
CN212462139U true CN212462139U (en) 2021-02-02

Family

ID=74491837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021057073.1U Active CN212462139U (en) 2020-06-10 2020-06-10 Anti-pull wire connector

Country Status (1)

Country Link
CN (1) CN212462139U (en)

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