CN210780042U

CN210780042U - Bare wire sealing waterproof joint

Info

Publication number: CN210780042U
Application number: CN201921539298.8U
Authority: CN
Inventors: 胡海楼
Original assignee: Qne Electric Co ltd
Current assignee: Qne Electric Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-16
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a bare wire closed waterproof joint, which comprises a closed main body, a rubber sleeve and a locking nut; the closed main body is of a sleeve body structure with one closed end, an external thread joint is arranged at the open end of the closed main body, and a plurality of mutually independent grooves are formed in the closed main body; the rubber sleeve is arranged on the inner side of the external thread joint; the locking nut is installed on the external thread joint through internal threads, the outer end of the locking nut is provided with a cap body covering the external thread joint and the end face of the rubber sleeve, and the cap body is provided with a threading hole; the utility model discloses a bare wire seals water joint for play the waterproof effect of fastening to cable external surface, the use has got rid of uses such as original adhesive tape with great improved photovoltaic cable's maneuverability and security, a large amount of manual works and the cost of saving, wholly plays pleasing to the eye safe convenient effect simultaneously.

Description

Bare wire sealing waterproof joint

Technical Field

The utility model belongs to the technical field of electrical accessories, especially, relate to a bare wire seals water joint.

Background

The cable connector is also called a cable head. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and these connections are called cable connectors. The cable joints at the middle of the cable run are called intermediate joints and the cable joints at the two ends of the run are called termination joints. The terminal joint structure among the prior art has multiple form, and the function is also very different, but uses at present more extensively still to wrap up the mode with the adhesive tape winding and protect the cable end, and its security is poor, and material cost is high, consumes a large amount of manpowers in the dismouting process.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a bare wire seals water joint for play the waterproof effect of fastening to cable external surface, the use such as original adhesive tape has been got rid of to the maneuverability and the security of the great improvement photovoltaic cable in the use, a large amount of manual works and the cost of saving, whole effect that pleasing to the eye safe convenient that plays simultaneously.

The utility model discloses a bare wire closed waterproof joint, which comprises a closed main body, a rubber sleeve and a lock nut; the closed main body is of a sleeve body structure with one closed end, an external thread joint is arranged at the open end of the closed main body, and a plurality of mutually independent grooves for accommodating bare wire ends are formed in the closed main body; the rubber sleeve is arranged on the inner side of the external thread joint; the locking nut is installed on the external thread connector through the internal thread, the outer end of the locking nut is provided with a cap body covering the end faces of the external thread connector and the rubber sleeve, the cap body is provided with a threading hole, the aperture of the threading hole is not smaller than the inner diameter of the rubber sleeve, the end of a cable penetrates through the threading hole of the locking nut to extend into the sealed main body during installation, the rubber sleeve on the inner side of the cable can be contracted by screwing the locking nut, and then the cable inside the cable is hooped tightly to achieve the fixing and sealing effects.

Further, still including the clamping jaw of suit between external screwed joint and rubber sleeve, clamping jaw includes annular seat and a plurality of elastic claw with annular seat integrated into one piece, elastic claw extends to along the axial of annular seat and flushes with the rubber sleeve tip, makes lock nut's cramping force act on clamping jaw, makes clamping jaw warp, and then compresses the rubber sleeve, and clamping jaw only produces radial pressure to the rubber sleeve, does not cause wearing and tearing to the rubber sleeve, and makes the rubber sleeve warp evenly.

Furthermore, the inner surface of the cap body is a taper surface, a chamfer matched with the inner surface of the cap body is arranged at the part, in contact with the cap body, of the end part of each elastic claw, and when the lock nut is screwed down, each elastic claw is extruded towards the center by the cooperation of the taper surface and the chamfer, so that the comprehensive stress is good.

Furthermore, the outer circle of the inner end of the rubber sleeve is provided with a step surface, the annular seat of the clamping claw is abutted against the shoulder of the step surface, the inner cavity of the closed main body is also provided with the step surface, and the inner end surface of the rubber sleeve is abutted against the step surface in the closed main body, so that the inner end of the rubber sleeve is pressed and fixed by the clamping claw, the positioning of the rubber sleeve and the clamping claw is reliable, and the stability of the whole structure is ensured.

Furthermore, the outer circle of the outer end of the rubber sleeve is provided with an annular clamping groove, the inner circle surface of the outer end of each elastic claw is provided with a boss clamped in the clamping groove, and the cross sections of the annular clamping groove and the boss are trapezoidal.

The utility model has the advantages that: the utility model discloses a bare wire seals water joint for play the waterproof effect of fastening to cable external surface, the use has got rid of uses such as original adhesive tape with great improved photovoltaic cable's maneuverability and security, a large amount of manual works and the cost of saving, wholly plays pleasing to the eye safe convenient effect simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a half sectional view of the present invention;

fig. 2 is a half sectional view of the clamping jaw.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1: the bare wire closed waterproof joint comprises a closed main body 2, a rubber sleeve 3 and a lock nut 5; the closed main body 2 is of a sleeve body structure with one closed end, an external thread joint is arranged at the open end of the closed main body, and a plurality of mutually independent grooves 1 for accommodating bare wire ends are arranged in the closed main body 2; the rubber sleeve 3 is arranged on the inner side of the external thread joint; the locking nut 5 is installed on the external thread connector through an internal thread, the outer end of the locking nut 5 is provided with a cap body covering the end faces of the external thread connector and the rubber sleeve 3, the cap body is provided with a threading hole, the aperture of the threading hole is not smaller than the inner diameter of the rubber sleeve 3, the end of the cable penetrates through the threading hole of the locking nut 5 during installation and extends into the closed main body 2, the rubber sleeve 3 on the inner side of the cable can be contracted by screwing the locking nut 5, the cable inside the cable is hooped, and the fixing and sealing effects are achieved.

In this embodiment, still including the clamping jaw 4 of suit between external screwed joint and rubber sleeve 3, clamping jaw 4 includes annular seat 6 and a plurality of elastic claw 7 with annular seat 6 integrated into one piece, elastic claw 7 along annular seat 6 axial extension to flush with 3 tip of rubber sleeve, make lock nut 5 hoop power act on clamping jaw 4, make clamping jaw 4 warp, and then compress rubber sleeve 3, clamping jaw 4 only produces radial pressure to rubber sleeve 3, does not lead to the fact wearing and tearing to rubber sleeve 3, and makes rubber sleeve 3 warp evenly.

In this embodiment, the inner surface of the cap body is a tapered surface, a chamfer matched with the inner surface of the cap body is arranged at a part where the end part of the elastic claw 7 contacts with the cap body, and when the lock nut 5 is screwed down, each elastic claw 7 is extruded towards the center by the cooperation of the tapered surface and the chamfer, so that the comprehensive stress is good.

In this embodiment, the outer circle of the inner end of the rubber sleeve 3 is provided with a step surface, the annular seat 6 of the clamping claw 4 abuts against the shoulder of the step surface, the inner cavity of the closed main body 2 is also provided with the step surface, and the inner end surface of the rubber sleeve 3 abuts against the step surface inside the closed main body 2, so that the inner end of the rubber sleeve 3 is pressed and fixed by the clamping claw 4, the positioning of the rubber sleeve 3 and the clamping claw 4 is reliable, and the stability of the whole structure is ensured.

In this embodiment, the outer circle of the outer end of the rubber sleeve 3 is provided with an annular clamping groove, the inner circle surface of the outer end of each elastic claw 7 is provided with a boss 8 clamped in the clamping groove, and the cross sections of the annular clamping groove and the boss 8 are both trapezoidal.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a bare wire seals waterproof joint which characterized in that: comprises a closed main body, a rubber sleeve and a lock nut; the closed main body is of a sleeve body structure with one closed end, an external thread joint is arranged at the open end of the closed main body, and a plurality of mutually independent grooves for accommodating bare wire ends are formed in the closed main body; the rubber sleeve is arranged on the inner side of the external thread joint; the locking nut is installed on the external thread joint through internal threads, the outer end of the locking nut is provided with a cap body covering the external thread joint and the end face of the rubber sleeve, the cap body is provided with a threading hole, and the aperture of the threading hole is not smaller than the inner diameter of the rubber sleeve.

2. The bare wire closed watertight joint according to claim 1, wherein: still include the clamping jaw of suit between external thread joint and rubber sleeve, clamping jaw includes annular seat and a plurality of elastic claw with annular seat integrated into one piece, elastic claw extends to along the axial of annular seat and flushes with the rubber sleeve tip.

3. The bare wire closed watertight joint according to claim 2, wherein: the inner surface of the cap body is a taper surface, and a chamfer matched with the inner surface of the cap body is arranged at the part of the end part of the elastic claw, which is contacted with the cap body.

4. The bare wire closed watertight joint according to claim 3, wherein: the excircle of the inner end of the rubber sleeve is provided with a step surface, and the annular seat of the clamping claw is abutted against the shoulder of the step surface.

5. The bare wire closed watertight joint according to claim 4, wherein: the outer circle of the outer end of the rubber sleeve is provided with an annular clamping groove, the inner circle face of the outer end of each elastic claw is provided with a boss clamped in the clamping groove, and the cross sections of the annular clamping groove and the boss are trapezoidal.