CN216750347U

CN216750347U - Universal connecting sleeve, electric connection male head and electric connection female head

Info

Publication number: CN216750347U
Application number: CN202121229501.9U
Authority: CN
Inventors: 曾明夏
Original assignee: Dongguan Hua Yue Plastic Industrial Co ltd
Current assignee: Dongguan Hua Yue Plastic Industrial Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-06-14
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a universal connecting sleeve, which comprises a tubular body, wherein a limiting ring protruding inwards in the radial direction is arranged on the inner side wall of the upper end of the body, a wire fixing sleeve gradually shrinking inwards in the radial direction from top to bottom is integrally arranged at the lower end of the body, and a holding groove sinking inwards in the radial direction is arranged on the outer surface of the body.

Description

Universal connecting sleeve, electric connection male head and electric connection female head

Technical Field

The utility model relates to the technical field of electronic connecting pieces, in particular to a universal connecting sleeve, an electric connection male head and an electric connection female head.

Background

At present, in an electric plug or an electric socket of an audio cable, after an electric wire at the rear end is welded and connected with electric contact hardware at the front end, a layer of heat-shrinkable sleeve is wrapped at a connecting part of the electric plug or the electric socket to protect and fix the connecting part, so that the service life of the whole electric plug or the electric socket is prolonged, the structure is simple, and the use is wide. However, since the heat-shrinkable tube itself is thin, it is easy to break and fall off, and the connection portion cannot be protected for a long time, and the service life is short.

Therefore, the technical personnel in the field are dedicated to develop a universal connecting sleeve with good protection effect, good universality and long service life, and an electric connection male head and an electric connection female head adopting the universal connecting sleeve.

Disclosure of Invention

In view of the above defects in the prior art, the present invention provides a universal connecting sleeve with good protection effect and good versatility.

In order to achieve the purpose, the universal connecting sleeve provided by the utility model comprises a tubular body, wherein a limiting ring protruding inwards in the radial direction is arranged on the inner side wall of the upper end of the body, a wire fixing sleeve gradually shrinking inwards in the radial direction from top to bottom is integrally arranged at the lower end of the body, and a holding groove recessed inwards in the radial direction is arranged on the outer surface of the body.

The number of the limiting rings is at least two, wherein the inner diameter of the limiting ring close to the top of the body is smaller than the inner diameter of the limiting ring far away from the top of the body.

The utility model also provides an electric connection male head adopting the universal connection sleeve, which comprises an electric plug and a lead, wherein the rear end of the electric plug is axially inserted into the body, the front end of the lead is inserted into the wire fixing sleeve and is fixedly connected with the rear end of the electric plug, and a contact ring which is abutted against the bottom of the limiting ring is further arranged on the side wall of the rear end of the electric plug.

The lower end of the butting ring is also integrally provided with a lower sliding ring which gradually shrinks inwards and radially.

The outer side wall of the middle of the electric plug is further provided with a friction gear ring protruding outwards in the radial direction, and the friction gear ring is in interference fit with the inner side wall of the upper end of the body.

The electric plug is composed of an elastic expansion contact part and an electric wire connecting part at the rear end of the elastic expansion contact part, the electric wire connecting part is axially inserted into the body and electrically connected with the lead, and the elastic expansion contact part is exposed out of the body.

The utility model also provides an electric connection female head adopting the universal connection sleeve, which comprises a conductive sleeve and a lead, wherein the conductive sleeve is axially inserted into the body, the front end of the lead is inserted into the wire fixing sleeve and is fixedly connected with the rear end of the conductive sleeve, and the side wall of the conductive sleeve is provided with a contact ring matched with the limiting ring.

The outer side wall of the upper end of the conductive sleeve is further provided with a friction gear ring protruding outwards in the radial direction, and the friction gear ring is in interference fit with the inner side wall of the upper end of the body.

The utility model has the beneficial effects that: the universal connecting sleeve comprises a tubular body, wherein a limiting ring protruding inwards in the radial direction is arranged on the inner side wall of the upper end of the body, a wire fixing sleeve gradually shrinking inwards in the radial direction from top to bottom is integrally arranged at the lower end of the body, and a holding groove sinking inwards in the radial direction is formed in the outer surface of the body.

Drawings

Fig. 1 is one of the structural schematic diagrams of the universal connecting sleeve of the present invention;

fig. 2 is one of the structural axial sectional views of the universal connecting sleeve of the utility model;

fig. 3 is a second schematic structural view of the universal connecting sleeve of the present invention;

FIG. 4 is a second axial sectional view of the universal joint sleeve of the present invention;

FIG. 5 is a schematic structural view of a first embodiment of the electrical connection male of the present invention;

FIG. 6 is an axial cross-sectional view showing the structure of a first embodiment of an electrical connection male of the present invention;

FIG. 7 is an exploded view of a first embodiment of the male electrical connection terminal of the present invention;

FIG. 8 is a schematic structural view of a second embodiment of the electrical connection male of the present invention;

FIG. 9 is an axial cross-sectional view of a second embodiment of the electrical connection male of the present invention;

FIG. 10 is a schematic view of the electrical connector female of the present invention;

FIG. 11 is an axial sectional view showing the structure of the female electrical connector according to the present invention;

fig. 12 is an exploded view of the female electrical connector of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, a general type adapter sleeve, including pipy body 1, the upper end inside wall of body 1 is provided with radial inside bellied spacing ring 2, the lower extreme integration of body 1 is provided with from last to radial inside convergent solidus cover 13 down, the surface of body 1 is provided with radial inside sunken groove 4 of gripping, be applicable to the public head of electric connection or the female head of electric connection of different specifications, moreover, the steam generator is simple in structure, firm, the current heat shrinkable tube of replacement that can be better, the extension adopts the public head of electric connection or the life of the female head of electric connection of this general type adapter sleeve, and the cost is saved.

In this embodiment, as shown in fig. 3 and 4, there are at least two limiting rings 2, wherein the inner diameter of the limiting ring 2 near the top of the body 1 is smaller than the inner diameter of the limiting ring 2 far from the top of the body 1, and the two limiting rings 2 with different sizes further enhance the connection strength between the universal connecting sleeve and the related parts.

As shown in fig. 5 to 9, an electric connection male head adopting the above-mentioned general type connecting sleeve, including electric plug 3 and wire 6, the rear end axial of electric plug 3 inserts in the body 1, the front end of wire 6 insert in the solidus cover 13 and with the rear end fixed connection of electric plug 3, still be provided with on the rear end lateral wall of electric plug 3 and support the conflict ring 5 in spacing ring 2 bottom, the lower extreme of conflict ring 5 still the integration is provided with the gliding ring 7 of radial shrink inwards gradually, when with general type connecting sleeve time-sharing like this, when this electric connection male head from top to bottom inserts in the body 1, gliding ring 7 plays the effect of buffering guide, easy to assemble.

The middle part lateral wall of electric plug 3 still is provided with radial outside outstanding friction ring gear 8, and friction ring gear 8 and the upper end inside wall interference fit of body 1, simple structure ensures that electric plug 3 is fixed firm with body 1, and electric plug 3 can not drop out from body 1.

The electric plug 3 is composed of an elastic expansion contact part 31 and an electric wire connecting part 32 positioned at the rear end of the elastic expansion contact part 31, the electric wire connecting part 32 is axially inserted into the body 1 and is electrically connected with the conducting wire 6, the elastic expansion contact part 31 is exposed out of the body 1, in the embodiment, the elastic expansion contact part 31 has a plurality of embodiments, preferably two embodiments, as shown in fig. 5 to 7, the first embodiment is in a lantern framework shape and is formed by surrounding a plurality of thin metal sheets, the structure is simple, the elasticity is better, but after the electric plug 3 is pulled out from an electric connection female head for a long time, the elastic expansion contact part 31 is easy to be subjected to metal fatigue, so that the elasticity is reduced, and the elastic expansion contact part 31 cannot be fixed in the body 1; the second embodiment shown in fig. 8 to 9 is modified by the inventor to make the elastic expansion contact 31 surrounded by a plurality of conductive pillars 311 with large top and small bottom, and the elastic slits 312 are provided between adjacent conductive pillars 311 to facilitate the shrinkage of the conductive pillars 311 on the pinna.

As shown in fig. 10 to 12, an electric connection female head using the above-mentioned universal connecting sleeve, including conductive sleeve 9 and wire 6, conductive sleeve 9 is axially inserted into body 1, the front end of wire 6 is inserted into wire fixing sleeve 13 and fixedly connected with the rear end of conductive sleeve 9, the side wall of conductive sleeve 9 is provided with interference ring 5 adapted to spacing ring 2, the lower end of interference ring 5 is also integrally provided with downward sliding ring 7 shrinking radially inwards gradually, when being matched with universal connecting sleeve, when the electric connection female head is inserted into body 1 from top to bottom, downward sliding ring 7 plays a role of buffering guidance, and is convenient to install.

The upper end lateral wall of conductive sleeve 9 still is provided with radial outside outstanding friction ring gear 8, and friction ring gear 8 and the upper end inside wall interference fit of body 1, simple structure ensures that conductive sleeve 9 is fixed firm with body 1, and conductive sleeve 9 can not come out from body 1.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a general type adapter sleeve which characterized in that: including pipy body (1), the upper end inside wall of body (1) is provided with radial inside bellied spacing ring (2), the lower extreme integration of body (1) is provided with from last to radial inside wire fixing cover (13) that shrink gradually down, the surface of body (1) is provided with radial inside sunken groove (4) of gripping.

2. Universal connecting sleeve according to claim 1, characterized in that: the number of the limiting rings (2) is at least two, wherein the inner diameter of the limiting ring (2) close to the top of the body (1) is smaller than the inner diameter of the limiting ring (2) far away from the top of the body (1).

3. An electric connection male head using the universal type connection sleeve according to any one of claims 1-2, characterized in that: including electric plug (3) and wire (6), the rear end axial of electric plug (3) is inserted in body (1), the front end of wire (6) is inserted in solidus cover (13) and with the rear end fixed connection of electric plug (3), still be provided with on the rear end lateral wall of electric plug (3) and support and be in support of spacing ring (2) bottom touches ring (5).

4. The male electrical connection head of claim 3, wherein: the lower end of the contact ring (5) is also integrally provided with a lower sliding ring (7) which gradually shrinks inwards and radially.

5. The electrical male connection of claim 4, wherein: the middle outer side wall of the electric plug (3) is further provided with a friction gear ring (8) protruding outwards in the radial direction, and the friction gear ring (8) is in interference fit with the upper end inner side wall of the body (1).

6. The electrical male connection of claim 4, wherein: the electric plug (3) is composed of an elastic expansion contact part (31) and an electric wire connecting part (32) positioned at the rear end of the elastic expansion contact part (31), the electric wire connecting part (32) is axially inserted into the body (1) and is electrically connected with the lead (6), and the elastic expansion contact part (31) is exposed out of the body (1).

7. An electrical connection female terminal using the universal type connection sleeve according to claim 1 or 2, characterized in that: including conductive sleeve (9) and wire (6), conductive sleeve (9) axial is inserted in body (1), the front end of wire (6) is inserted in solidus cover (13) and with the rear end fixed connection of conductive sleeve (9), be provided with on the lateral wall of conductive sleeve (9) with conflict ring (5) that spacing ring (2) suit.

8. The female electrical connection header of claim 7, wherein: the lower end of the contact ring (5) is also integrally provided with a lower sliding ring (7) which gradually shrinks inwards and radially.

9. The female electrical connection header of claim 7, wherein: the outer side wall of the upper end of the conductive sleeve (9) is further provided with a friction gear ring (8) protruding outwards in the radial direction, and the friction gear ring (8) is in interference fit with the inner side wall of the upper end of the body (1).