CN216055333U

CN216055333U - Enhanced cable connector

Info

Publication number: CN216055333U
Application number: CN202122429816.4U
Authority: CN
Inventors: 颜国兵
Original assignee: Saiyang Electromechanical Co ltd
Current assignee: Saiyang Electromechanical Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-15
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses an enhanced cable connector, which comprises a metal quick-connection nut, a torsion spring, a retaining ring, a metal cavity, an inner core head, an inner core seat, a terminal, a gland head locking sleeve, a cable sealing ring and a cable locking nut, wherein the metal quick-connection nut is fixedly connected with the inner core head; the metal cavity is a sleeve-shaped component, and a first flange is arranged in the middle of the outer wall of the metal cavity; one side of the first flange of the metal cavity is provided with a metal quick-connection nut, a torsion spring, a retaining ring and a metal quick-connection nut anti-falling structure formed among the metal cavities; an inner core head, an inner core seat and a gland head locking sleeve are sequentially arranged in an inner hole of the metal cavity on the other side of the first flange; the end part of the inner core seat is inserted in the inner core head, and the terminal is inserted in the inner core seat; the cable locking nut is sleeved on the flange head at the end part of the flange head locking sleeve and is in threaded connection with the metal cavity; a sleeve-shaped cable sealing ring is arranged in the gland head of the gland head locking sleeve; the further improvement is that a sheath is arranged between the inner core seat and the gland head locking sleeve. The utility model has high structural strength and long service life.

Description

Enhanced cable connector

Technical Field

The utility model relates to the electrical field, in particular to an enhanced cable connector.

Background

The conventional cable connectors mainly have two structures, one is a quick-fastening type cable connector represented by a JAE cable connector, and the other is a threaded type cable connector represented by an HRS cable connector.

The quick-fastening type cable connector represented by the JAE cable connector comprises a metal quick-connection nut, a torsion spring, an inner core seat, a connecting sleeve, a terminal, a cable tightening sleeve, a cable sealing ring and a cable locking nut, wherein the terminal is inserted into the inner core seat; the threaded connection type cable connector represented by an HRS cable connector comprises a metal quick-connection nut, a torsion spring, an inner core seat, a metal nut, a connecting sleeve, a terminal, a cable tightening sleeve, a cable sealing ring and a cable locking nut, wherein the terminal is inserted into the inner core seat, the metal nut is sleeved at one end of the inner core seat, the connecting sleeve is sleeved at the other end of the inner core seat, the metal quick-connection nut is clamped on the inner core seat, and the cable tightening sleeve is in threaded connection with the other end of the connecting sleeve and is integrated with the connecting sleeve. The main drawbacks of the existing cable connectors are: the cable tightening sleeve and the connecting sleeve are both plastic parts, and the integral structure formed by connecting the cable tightening sleeve and the connecting sleeve is low in strength and easy to break, so that the cable connector is low in integral structure strength, easy to break and short in service life.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the enhanced cable connector which can obviously improve the overall structural strength and prolong the service life.

The utility model achieves the technical aim through the following technical scheme.

In an enhanced cable connector, the improvement comprising: the cable quick-connection device comprises a metal quick-connection nut, a torsion spring, a retaining ring, a metal cavity, an inner core head, an inner core seat, a terminal, a gland head locking sleeve, a cable sealing ring and a cable locking nut; the metal cavity is a sleeve-shaped component, and a first flange is arranged in the middle of the outer wall of the metal cavity; the outer wall of the metal cavity at one side of the first flange of the metal cavity is provided with a stepped shaft shoulder with the diameter being larger as the outer wall is closer to the first flange, and the stepped shaft shoulder comprises a first shaft shoulder connected with the first flange and a second shaft shoulder connected with the first shaft shoulder; a first bulge is circumferentially arranged on the outer wall of the second shaft shoulder, and a third groove with an axial opening facing the first flange is formed in the first bulge; the second shaft shoulder is sequentially sleeved with a torsion spring and a metal quick-connection nut, and the metal quick-connection nut is sleeved on the torsion spring; a first clamping pin at one end of the torsion spring close to the first flange is embedded in a first groove in the outer wall of the first shaft shoulder, and a second clamping pin at the other end of the torsion spring extends into a hole in the inner wall of the metal quick coupling nut; the second bulge of the inner wall of the metal quick-coupling nut falls into the third groove of the first bulge on the second shaft shoulder, the retaining ring is a split ring and is sleeved on the outer wall of the first shaft shoulder, and the end part of the retaining ring is embedded into the second groove on the outer wall of the first shaft shoulder, so that the anti-falling structure of the metal quick-coupling nut is formed; an inner core head, an inner core seat and a gland head locking sleeve are sequentially arranged in an inner hole of the metal cavity on the other side of the first flange; the end part of the inner core seat is inserted in the inner core head, and the terminal is inserted in the inner core seat; the cable locking nut is sleeved on the flange head at the end part of the flange head locking sleeve and is in threaded connection with the metal cavity; and a sleeve-shaped cable sealing ring is arranged in the gland head of the gland head locking sleeve.

Furthermore, a sheath is arranged between the inner core seat and the gland head locking sleeve; a second flange is arranged on the outer wall of the sheath; the second flange is combined with the end face of the flange head locking sleeve, and the second flange is combined with the end face of the flange head locking sleeve through sharp teeth which are circumferentially arranged and matched; a third bulge is arranged on the end face of one end, combined with the inner core print, of the sheath, and the third bulge penetrates through the inner core print and is inserted into the end face groove of the inner core print; the end face of the sheath provided with the third bulge is pressed against the end face of the inner core seat combined with the sheath.

Compared with the prior art, the utility model has the following positive effects:

1. the metal is adopted to replace the whole body formed by connecting the cable tightening sleeve and the connecting sleeve in the cable connector in the prior art, and the integral metal component is used to replace the plastic element assembly, so that the integral structure strength is obviously improved, and the service life is prolonged; on the other hand, the number of parts is reduced, and the assembly workload is reduced.

2. Adopt the glan head locking structure locking cable, the locking effect is better.

3. By adopting the connecting structure of the inner core print and the inner core seat, whether the terminal connecting mode is a crimping mode or a welding mode can be selected according to requirements, and the defect that the terminal connecting mode of the cable connector in the prior art can only be selected as the connecting mode is overcome.

4. A sheath is arranged between the inner core seat and the gland head locking sleeve, and the end surface of the sheath is pressed against the end surface of the combined inner core seat, so that the inner core seat cannot retreat.

5. The retaining ring structure: prevent the stop of the quick-connection nut and shield the torsion spring.

6. According to the requirements, 3 specifications of 10mm, 7mm and 4.5mm cable sealing rings can be selected.

Drawings

Fig. 1 is a schematic diagram of a quick-snap type cable connector in the prior art.

Fig. 2 is a schematic structural diagram of the quick-snap type cable connector in fig. 1 in a disassembled state.

Fig. 3 is a schematic diagram of a screw-threaded cable connector according to the prior art.

Fig. 4 is a schematic structural diagram of the screw-threaded cable connector of fig. 3 in a disassembled state.

FIG. 5 is a schematic view of the structure of the present invention.

Fig. 6 is a schematic structural diagram of fig. 5 in a disassembled state.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The enhanced cable connector shown in the attached figures 5-6 comprises a metal quick-connection nut 1, a torsion spring 2, a retaining ring 3, a metal cavity 4, an inner core head 5, an inner core seat 6, a terminal 7, a gland head locking sleeve 9, a cable sealing ring 10 and a cable locking nut 11.

The metal cavity 4 is a sleeve-shaped component, and a first flange 41 is arranged in the middle of the outer wall of the metal cavity 4; the outer wall of the metal cavity 4 on one side of the first flange 41 of the metal cavity 4 is provided with a stepped shaft shoulder with the diameter larger as the outer wall is closer to the first flange 41, and the stepped shaft shoulder comprises a first shaft shoulder 42 connected with the first flange 41 and a second shaft shoulder 43 connected with the first shaft shoulder 42; a first bulge 44 is circumferentially arranged on the outer wall of the second shaft shoulder 43, and a third groove with an axial opening facing the first flange 41 is arranged on the first bulge 44; the second shaft shoulder 43 is sequentially sleeved with a torsion spring 2 and a metal quick-connection nut 1, and the metal quick-connection nut 1 is sleeved on the torsion spring 2; the first clamping leg of the torsion spring 2 near one end of the first flange 41 is embedded in the first groove on the outer wall of the first shaft shoulder 42, and the second clamping leg at the other end extends into the inner wall hole of the metal quick-connection nut 1.

The second bulge of the inner wall of the metal quick-coupling nut 1 falls into the third groove of the first bulge 44 on the second shaft shoulder 43, the retaining ring 3 is a split ring and is sleeved on the outer wall of the first shaft shoulder 42, and the end part of the retaining ring 3 is embedded into the second groove on the outer wall of the first shaft shoulder 42, so that the anti-falling structure of the metal quick-coupling nut 1 is formed. An inner core print 5, an inner core seat 6 and a gland print locking sleeve 9 are sequentially arranged in an inner hole of the metal cavity 4 at the other side of the first flange 41; the end of the inner core print 6 is inserted in the inner core print 5, and the terminal 7 is inserted in the inner core print 6; the cable locking nut 11 is sleeved on the gland head at the end part of the gland head locking sleeve 9 and is in threaded connection with the metal cavity 4; a sleeve-shaped cable sealing ring 10 is arranged in the gland head of the gland head locking sleeve 9.

A sheath 8 is arranged between the inner core seat 6 and the gland head locking sleeve 9; a second flange 81 is arranged on the outer wall of the sheath 8; the second flange 81 is combined with the end face of the gland head locking sleeve 9, and the second flange 81 and the end face of the gland head locking sleeve 9 are respectively combined by sharp teeth which are arranged along the circumference and are matched; a third bulge 82 is arranged on the end face of one end of the sheath 8 combined with the inner core print 6, and the third bulge 82 penetrates through the inner core print 6 and is inserted into a groove on the end face of the inner core print 5; the end surface of the sheath 8 provided with the third bulge 82 is pressed against the end surface of the combined inner core print 6.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An enhanced cable connector, comprising: the quick-connection cable core comprises a metal quick-connection nut (1), a torsion spring (2), a retaining ring (3), a metal cavity (4), an inner core head (5), an inner core seat (6), a terminal (7), a gland head locking sleeve (9), a cable sealing ring (10) and a cable locking nut (11);

the metal cavity (4) is a sleeve-shaped component, and a first flange (41) is arranged in the middle of the outer wall of the metal cavity (4); the outer wall of the metal cavity (4) on one side of the first flange (41) of the metal cavity (4) is provided with a step-shaped shaft shoulder which has the diameter larger as the outer wall is closer to the first flange (41), and the step-shaped shaft shoulder comprises a first shaft shoulder (42) connected with the first flange (41) and a second shaft shoulder (43) connected with the first shaft shoulder (42); a first bulge (44) is circumferentially arranged on the outer wall of the second shaft shoulder (43), and a third groove with an axial opening facing the first flange (41) is formed in the first bulge (44); the second shaft shoulder (43) is sequentially sleeved with a torsion spring (2) and a metal quick-connection nut (1), and the metal quick-connection nut (1) is sleeved on the torsion spring (2); a first clamping pin at one end of the torsion spring (2) close to the first flange (41) is embedded in a first groove in the outer wall of the first shaft shoulder (42), and a second clamping pin at the other end extends into an inner wall hole of the metal quick-connection nut (1);

the second bulge of the inner wall of the metal quick-connection nut (1) falls into a third groove of the first bulge (44) on the second shaft shoulder (43), the retaining ring (3) is a split ring and is sleeved on the outer wall of the first shaft shoulder (42), and the end part of the retaining ring (3) is embedded into the second groove on the outer wall of the first shaft shoulder (42) to form an anti-falling structure of the metal quick-connection nut (1);

an inner core print (5), an inner core seat (6) and a gland print locking sleeve (9) are sequentially arranged in an inner hole of the metal cavity (4) at the other side of the first flange (41); the end part of the inner core seat (6) is inserted in the inner core print (5), and the terminal (7) is inserted in the inner core seat (6); the cable locking nut (11) is sleeved on the flange head at the end part of the flange head locking sleeve (9) and is in threaded connection with the metal cavity (4); the gland head of the gland head locking sleeve (9) is internally provided with a sleeve-shaped cable sealing ring (10).

2. The enhanced cable connector of claim 1, wherein: a sheath (8) is arranged between the inner core seat (6) and the gland head locking sleeve (9); a second flange (81) is arranged on the outer wall of the sheath (8); the second flange (81) is combined with the end face of the gland head locking sleeve (9), and the end faces combined with the gland head locking sleeve (9) through the second flange (81) are respectively combined with sharp teeth which are arranged along the circumference and are adaptive; a third bulge (82) is arranged on the end face of one end, combined with the inner core print (6), of the sheath (8), and the third bulge (82) penetrates through the inner core print (6) and is inserted into the end face groove of the inner core print (5); the end surface of the sheath (8) provided with the third bulge (82) is pressed against the end surface of the combined inner core seat (6).