CN210379570U

CN210379570U - Cable assembly with improved cable retention

Info

Publication number: CN210379570U
Application number: CN201921636136.6U
Authority: CN
Inventors: 吴吉; 魏跑锋; 章敏强
Original assignee: Zhejiang Chunsheng Electronics Co ltd
Current assignee: Zhejiang Chunsheng Electronics Co ltd
Priority date: 2019-07-16
Filing date: 2019-09-27
Publication date: 2020-04-21
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a cable connector component, it includes insulating plug, conductive terminal, shell, jack catch, tail cover and cable, the shell rear end with the tail cover front end is equipped with the external screw thread and the internal thread of screwing, the cable with conductive terminal connects and extends backward the tail cover, cable connector component still locates including the cover waterproof circle on the cable, waterproof circle is located in the jack catch, the tail cover is supported and is pressed the jack catch drives waterproof circle shrink, waterproof circle with the cable is interfered and is compressed tightly, eliminates the gap of waterproof circle and cable, prevents inside aqueous vapor and liquid got into cable connector component along the cable, improves waterproof function, guarantees electron device's electrical characteristic, increase of service life.

Description

Cable assembly with improved cable retention

Technical Field

The present invention relates to a cable assembly, and more particularly to a cable assembly with a cable.

Background

Most of the existing electric connectors are used outdoors, and the electric connectors which are not waterproof need extra attention and cannot be exposed to the open air; when the electronic device is used outdoors, raining or in a high humidity environment, moisture and liquid in the environment can easily penetrate, which affects the electrical characteristics and the service life of the electronic device, and causes permanent damage to the electronic device or personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable connector subassembly with improve waterproof function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cable connector component comprises an insulating plug, a conductive terminal, a shell, a clamping jaw, a tail sleeve and a cable, wherein the shell is provided with a containing hole which is through from front to back, the insulating plug is at least partially fixed in the containing hole, the conductive terminal is accommodated in the insulating plug, the rear end of the shell and the front end of the tail sleeve are provided with external threads and internal threads which are screwed, the tail sleeve is provided with a through hole which is through from front to back, the clamping jaw is at least partially located in the through hole, the cable is connected with the conductive terminal and extends out of the tail sleeve backwards, the waterproof ring is arranged on the cable in a sleeved mode, the tail sleeve is pressed against the clamping jaw to drive the waterproof ring to shrink, and the waterproof ring and the cable are interfered to be compressed.

In a further improvement, the claw comprises a sleeve ring and a plurality of elastic arms extending backwards from the sleeve ring, and the elastic arms press against the waterproof ring to contract.

In a further improvement, the elastic arms are arranged at intervals along the circumferential direction of the lantern ring.

In a further improvement, the inner side wall of the through hole presses the elastic arm to contract.

The improved waterproof ring comprises a circular waterproof wall tightly pressed by a cable, a circular recess is arranged on the outer side surface of the waterproof wall, a protrusion is arranged at the rear end of each elastic arm, and the protrusion is clamped in the recess.

In a further improvement, the collar is located in the receiving hole, and the elastic arm extends backwards out of the shell.

Further improvement, the diameter value of via hole is dwindled by forward back gradually, works as the tail cover with when the shell is screwed, the via hole inside wall supports and presses the jack catch shrink.

The waterproof ring is provided with a convex ring clamped by the clamping jaw and the inner ring in a front-back manner, and the convex ring is extruded by the clamping jaw and the inner ring and then expands outwards to abut against the inner side wall of the accommodating hole.

In a further improvement, the front end face of the convex ring is provided with a circular groove, and the rear end of the inner ring is embedded into the groove.

In a further improvement, the insulating plug includes a main body portion fixed in the receiving hole and an insertion portion extending forward from the main body portion to the housing, the insertion portion includes a docking post located at the center, a circular ring-shaped docking wall surrounding the docking post, and a receiving hole located between the docking post and the docking wall, and the conductive terminal is located in the receiving hole and is used for electrically contacting with the receptacle connector.

The cable connector component also comprises a waterproof ring sleeved on the cable, the waterproof ring is positioned in the clamping jaw, the tail sleeve presses the clamping jaw to drive the waterproof ring to contract, the waterproof ring and the cable are compressed in an interference manner, a gap between the waterproof ring and the cable is eliminated, and water vapor and liquid are prevented from entering the interior of the cable connector component along the cable; the convex ring is abutted against the inner side wall of the accommodating hole of the shell, so that a gap between the waterproof ring and the shell is eliminated, water vapor and liquid are prevented from entering the interior of the cable connector assembly along the shell, the waterproof function of the cable connector assembly is improved, the electrical characteristics of the electronic device are ensured, and the service life of the electronic device is prolonged.

Drawings

Fig. 1 is a perspective view of a cable connector assembly according to the present invention.

Fig. 2 is a perspective view of a cable connector assembly according to the present invention, not showing the cable.

Fig. 3 is a cross-sectional view of a cable connector assembly according to the present invention.

Fig. 4 is an enlarged view within a circle of fig. 3.

Fig. 5 is an exploded perspective view of an unlocking mechanism of the cable connector assembly according to the present invention.

Fig. 6 is a perspective view of a waterproof ring of the cable connector assembly according to the present invention.

Detailed Description

Referring to fig. 1 to 6, an embodiment of the present invention discloses a cable assembly 100 with waterproof function, which can prevent water vapor or liquid from entering the interior of the cable assembly 100. The cable connector assembly 100 includes an insulating plug 10, a conductive terminal (not shown), a housing 20, an unlocking mechanism 30, an inner ring 40, a claw 50, a waterproof ring 60, a tail sleeve 70, and a cable 80.

The insulating plug 10 is cylindrical and includes a main body 11 fixed in the housing 20 and an insertion portion 12 extending forward from the main body 11 to the housing 20, and the outer diameter of the main body 11 is larger than that of the insertion portion 12. The insertion portion 12 includes a central docking post 121, a circular docking wall 122 surrounding the docking post 121, and a receiving hole 123 between the docking post 121 and the docking wall 122, wherein a plurality of square locking protrusions 125 are disposed on an outer side of the docking wall 122, and the locking protrusions 125 are spaced apart along a circumferential direction of the docking wall 122 and located at a front end of the docking wall 122.

The conductive terminals are accommodated in the insulating plug 10, the front ends of the conductive terminals are located in the accommodating holes 123 of the insulating plug 10, and the rear ends of the conductive terminals are connected with the cable 80.

The housing 20 is made of metal or plastic material, and includes a receiving hole 21 penetrating front and back and an outer annular wall 22 surrounding the receiving hole 21, the main body 11 of the insulating plug 10 is fixed in the receiving hole 21, an annular flange 211 is provided at the front end of the receiving hole 21, the flange 211 abuts against the main body 11 backwards, and the insulating plug 10 is limited from moving forwards relative to the housing 20. The outer surface of the rear end of the outer ring wall 22 is provided with an external thread 220, the front end of the outer ring wall 22 is provided with a notch 221 and a projection 222 positioned behind the notch 221, the inner side wall of the notch 221 is provided with a positioning hole 223, and the outer side surface of the projection 222 is provided with a sliding groove 224 extending forwards and backwards.

The unlocking mechanism 30 includes a slider 31 and a spring 32, the slider 31 is sleeved on the projection 222 of the housing 20 backwards, the slider 31 is provided with a sliding edge 315 in sliding connection with a sliding groove 224 of the housing 30, the spring 32 is located in a positioning hole 223 and is pressed against the slider 31 forwards to urge the slider 31 to have a tendency of moving forwards to restore the original position, the front end of the slider 31 is provided with an unlocking protrusion 310, the unlocking protrusion 310 abuts against the insertion portion 12 of the insulating plug 10, and when the slider 31 moves backwards against the elastic force of the spring 32, the unlocking protrusion 310 can retract into the notch 221 of the housing 20.

When the cable connector assembly 100 is mated with the receptacle connector, and the insertion portion 12 is fully inserted into the receptacle connector, the latching protrusion 125 and the receptacle connector are locked along the mating direction after the cable connector assembly 100 is rotated by a certain angle relative to the receptacle connector, the slider 31 moves forward under the elastic force of the spring 32, and the unlocking protrusion 310 is inserted into the receptacle connector, so that the cable connector assembly 100 can be prevented from rotating relative to the receptacle connector, the unlocking protrusion 310 and the receptacle connector are ensured to be kept in a locked state, and the cable connector assembly 100 and the receptacle connector are prevented from being separated abnormally; when the cable assembly 100 needs to be separated from the receptacle connector, first, the manual-pulling slider 31 moves backward, the unlocking protrusion 310 exits the receptacle connector, then the cable assembly 100 is unlocked until the locking protrusion 125 is unlocked, and finally, the cable assembly 100 can be easily separated from the receptacle connector.

The inner ring 40 is arranged in a ring shape and fixed in the accommodating hole 21 of the shell 20, the inner ring 40 is provided with a round hole 41, and the cable 80 forwards passes through the round hole 41 and is connected with the conductive terminal.

The latch 50 is located behind the inner ring 40 and includes a circular collar 51 and a plurality of resilient arms 52 extending rearward from the collar 51, the resilient arms 52 are arranged at intervals along the circumferential direction of the collar 51, and a protrusion 522 is provided at the rear end of each resilient arm 52. The collar 51 is positioned within the receiving bore 21 of the housing 20 and the resilient arms 52 extend rearwardly of the housing 20.

Waterproof circle 60 adopts the elastic material to make, for example silica gel, rubber etc. it includes ring shape waterproof wall 61, protruding ring shape bulge loop 62 and the concave ring shape sunken 63 of locating on the outer anchor ring of waterproof wall 61, and waterproof wall 61 inboard has the round hole 610 that supplies cable 80 to pass, and bulge loop 62 is close to in waterproof wall 61 front end, and sunken 63 is close to in waterproof wall 61 rear end, and the terminal surface is equipped with annular groove 620 before the bulge loop 62. The clamping jaws 50 are sleeved on the waterproof ring 60 and located behind the convex ring 62, the lantern ring 51 presses the convex ring 62 forwards, the rear end of the inner ring 40 is embedded into the groove 620 of the convex ring 62, so that the convex ring 62 is clamped by the lantern ring 51 and the inner ring 40 forwards and backwards, the outer side surface of the convex ring 62 is pressed with the inner side wall of the accommodating hole 21 of the shell 20, and the protrusion 522 is clamped in the recess 63.

The tail sleeve 70 is of a front-rear hollow cylindrical structure and comprises a through hole 72 which penetrates through the tail sleeve 70 from front to rear, an internal thread 73 is arranged on the inner side surface of the through hole 72 at the front end of the tail sleeve 70, and the diameter value of the through hole 72 is gradually reduced from front to rear. When the internal thread 73 of the tail sleeve 70 is screwed with the external thread 220 of the housing 20, the inner side wall of the through hole 72 presses against the clamping jaw 50 to slowly contract and simultaneously drive the waterproof ring 60 to contract, so that the inner side wall of the waterproof circular hole 610 of the waterproof ring 60 is pressed with the cable 80 in an interference manner, a gap between the waterproof ring 60 and the cable 80 is eliminated, and water vapor and liquid are prevented from entering the cable connector assembly 100 along the cable 80; in the process that the clamping jaws 50 move forwards, the convex ring 62 of the waterproof ring 60 is pressed forwards, and the convex ring 62 expands outwards due to the compression force of the clamping jaws 50 and the inner ring 40 forwards and backwards and abuts against the inner side wall of the accommodating hole 21 of the shell 20, so that a gap between the waterproof ring 60 and the shell 20 is eliminated, moisture and liquid are prevented from entering the interior of the cable connector assembly 100 along the accommodating hole 21 of the shell 20, the waterproof function of the cable connector assembly 100 is improved, the electrical characteristics of an electronic device are guaranteed, and the service life of the electronic device is prolonged.

The front end of the cable 80 is connected with the conductive terminal, and the cable passes through the inner ring 40 and the waterproof ring 60 in sequence backwards and extends backwards to form the tail sleeve 70.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. The utility model provides a cable connector component, its includes insulating plug, conductive terminal, shell, jack catch, tail cover and cable, the shell is equipped with the accommodation hole that link up from beginning to end, insulating plug is fixed in at least part the accommodation hole, conductive terminal accept in insulating plug, the shell rear end with tail cover front end is equipped with the external screw thread and the internal thread of screwing, the tail cover is equipped with the via hole that link up from beginning to end, the jack catch is at least partial to be located the via hole, the cable with conductive terminal is connected and extends backward the tail cover, its characterized in that: still locate including the cover waterproof circle on the cable, waterproof circle is located in the jack catch, the tail cover supports and presses the jack catch drives waterproof circle shrink, waterproof circle with the cable is interfered and is compressed tightly.

2. The cable connector assembly of claim 1, wherein: the jack catch includes the lantern ring and follows a plurality of elastic arm of lantern ring backward extension, the elastic arm supports to press the waterproof circle shrink.

3. The cable connector assembly of claim 2, wherein: the elastic arms are arranged at intervals along the circumferential direction of the lantern ring.

4. The cable connector assembly of claim 2, wherein: the inner side wall of the through hole is pressed against the elastic arm to contract.

5. The cable connector assembly of claim 2, wherein: the waterproof ring comprises an annular waterproof wall tightly pressed by the cable, annular recesses are formed in the outer side surface of the waterproof wall, protrusions are arranged at the rear ends of the elastic arms, and the protrusions are clamped in the recesses.

6. The cable connector assembly of claim 2, wherein: the lantern ring is located in the accommodating hole, and the elastic arm extends backwards out of the shell.

7. The cable connector assembly of claim 1, wherein: the diameter value of via hole is by reducing backward gradually, works as the tail cover with when the shell is screwed, the via hole inside wall supports and presses the jack catch shrink.

8. The cable connector assembly of claim 1, wherein: the waterproof ring is provided with a convex ring clamped by the clamping jaw and the inner ring in a front-back manner, and the convex ring is extruded by the clamping jaw and the inner ring and then expands outwards to abut against the inner side wall of the accommodating hole.

9. The cable connector assembly of claim 8, wherein: the front end face of the convex ring is provided with a circular groove, and the rear end of the inner ring is embedded into the groove.

10. The cable connector assembly of claim 1, wherein: the insulating plug comprises a main body part fixed in the accommodating hole and an inserting part extending out of the shell forwards from the main body part, the inserting part comprises a butting column positioned in the center, a circular butting wall surrounding the butting column and an accommodating hole positioned between the butting column and the butting wall, and the conductive terminal is positioned in the accommodating hole and is used for being in electrical contact with the socket connector.