CN2807525Y

CN2807525Y - Power supply connector

Info

Publication number: CN2807525Y
Application number: CN 200520017721
Authority: CN
Inventors: 何宜泽
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2005-05-18
Filing date: 2005-05-18
Publication date: 2006-08-16
Anticipated expiration: 2015-05-18

Abstract

The utility model relates to a power supply connector, which comprises an insulating casing, a hollow sleeve cylinder and a conductive terminal. The insulating casing comprises a surrounding wall, a first limit part and two second limit parts, wherein the surrounding wall is provided with a first end and a second end, and the first and the second limit parts are formed at the outer surface of the surrounding wall and are respectively adjacent to the first and the second ends. A containing space which is adjacent to the first end and a through hole which is adjacent to the second end are limited by the surrounding wall, wherein the containing space is communicated with the through hole. The hollow sleeve cylinder is independently made of metal materials and is sheathed in and limited among the first and the second limit parts of the insulating casing. The conductive terminal is penetrated in the through hole and is extended into the containing space. The hollow metal sleeve cylinder is arranged at the surface of the insulating casing in a sleeve joint mode and is stopped and limited by the first and the second limit parts, causing the hollow metal sleeve cylinder to be steadily limited on the insulating casing.

Description

Power connector

Technical field

The utility model relates to a kind of power connector, particularly a kind of power connector of the moulding in the mode of sheathed assembling.

Background technology

General power connector is used to electrically connect a butt joint electric connector, and the mode of most of employing of this power connector in-molded (Insert molding) or ejection formation takes shape in a metal sleeve outer surface of one insulation shell.

Above-mentioned metal sleeve takes shape in the insulation shell outer surface with in-molded or injection molding method, the process of its moulding is: earlier the hollow metal sleeve is arranged in the shaping mould of an insulation shell, again molten plastic is cast in and is injection molded into an insulation shell moulding in this shaping mould, after molten plastic solidified, the hollow metal sleeve promptly took shape in the insulation shell surface.But in the process of cast molten plastic, molten plastic can pollute the metal sleeve outer surface, cause metal sleeve conductivity not good, if will improve this phenomenon, must do the surface to metal sleeve handles, promptly improve the surface characteristic of its metal sleeve, its conductivity is improved in the mode of polishing processing.But so not only increased procedure of processing one more, made that also production cost has increased.

The utility model content

Therefore, the purpose of this utility model is to provide a kind of power connector, and it in the insulation shell surface, and can not influence the surface characteristic of metal sleeve with the mode installing and locating that a metal sleeve is directly sheathed.

Be used for electrically connecting the butt joint electric connector according to power connector of the present utility model, this power connector comprises the hollow sleeve that an insulation shell, is sheathed on this insulation shell outer surface, and one wears and is fixed in conducting terminal in this insulation shell.

This insulation shell comprises: one has the surrounding wall of one first end and one second end, and be formed at this surrounding wall outer surface and be respectively adjacent to one first limiting section and two second limiting sections of this first, second end, this surrounding wall limits the perforation of accommodation space and contiguous this second end of contiguous this first end that is connected.This hollow sleeve is independently made by metal material, and between sheathed this first limiting section and described second limiting section that is limited in this insulation shell.This conducting terminal is arranged in this perforation and extends to this accommodation space, this conducting terminal has: one is arranged in the body of this perforation, one is protruded out and part is positioned at the outer connecting portion of this second end by this body one end, and one protrudes out the contact site that is positioned at this accommodation space by this body other end.

Based on above-mentioned design, this first limiting section extends and in the form of a ring from the ora terminalis radial outward of contiguous this first end of this surrounding wall.

Based on above-mentioned design, described second limiting section is from the outer surface radial projection of contiguous this second end of this surrounding wall and go out, and comprises that a block matrix and is the lead segment that ramped shaped is extended from this matrix towards this second end.

Based on above-mentioned design, contiguous this second concave end of this surrounding wall outer surface forms all planes at least, and this section is formed at the opposite side of this surrounding wall outer surface.

Based on above-mentioned design, the front end in described section is recessed to form the groove that extends to this second end downwards, forms the interface that aligns with this matrix side between described groove and the described section.

Based on above-mentioned design, the both sides of this surrounding wall outer surface are formed with one second limiting section respectively, each second limiting section is all from the outer surface radial projection of contiguous this second end of this surrounding wall and go out, and comprises that a block matrix and is the lead segment that ramped shaped is extended from this matrix towards this second end.

Based on above-mentioned design, the other both sides of contiguous this second end of this surrounding wall outer surface are recessed to form a section respectively, and these two sections and two second limiting sections are staggered to form in this surrounding wall outer surface.

Based on above-mentioned design, each section front end all is recessed to form the groove that extends to this second end downwards, forms an interface that aligns with this matrix side between described groove and the described section.

Based on above-mentioned design, this conducting terminal has connecting portion that a body that is arranged in this perforation, protrudes out towards this second end from this body and and protrudes out and be positioned at the contact site of this accommodation space towards this first end by this body, this connecting portion has a welding ends away from this body, and this contact site has a contact jaw away from this body.

Based on above-mentioned design, this insulation shell have one from the one-body molded earth's axis of the ora terminalis of this second end to the sheet convex extension part that protrudes out.

Based on above-mentioned design, this conducting terminal adopts the punch forming mode made, this body and all rectangular strip of this connecting portion, and this contact site is cylindrical, and the perforation of this insulation shell is the rectangular perforation in a cross section, the perforation of this rectangle has first one that contiguous this second end wears for this connecting portion, and a cross-sectional width is greater than this first one and second one of wearing for this body.

Based on above-mentioned design, be formed with a shoulder between the body of this conducting terminal and this connecting portion, formation one supplies the stopper section of this shoulder of backstop between first one and this second one of the perforation of this insulation shell when this conducting terminal wears into this insulation shell.

Based on above-mentioned design, the both sides of this body protrude out and are formed with the interference part that interferes with each other with this wall of second one, and each interference part all has at least one bur.

Based on above-mentioned design, this conducting terminal adopts the turning molding mode made, this body, this connecting portion and this contact site are all cylindrical, and the perforation of this insulation shell is the rounded perforation in a cross section, this circular perforations has the small-bore portion that contiguous this second end wears for this connecting portion, and a diameter is greater than this small-bore portion and the large aperture portion that wears for this body.

This conducting terminal adopts punch forming mode made, and this conducting terminal has a junction surface that is connected in this body and this connecting portion, and this perforation has a stopper section that is defined between this small-bore portion and this large aperture portion in order to this junction surface of backstop.

In power connector of the present utility model, this hollow metal sleeve is installed on this insulation shell surface in direct sheathed mode, and by the backstop of this first limiting section and described second limiting section and spacing, make this hollow metal sleeve can firmly be limited on this insulation shell, and in assembling process, can not influence the surface characteristic of this hollow metal sleeve, guarantee the electric conductivity of hollow metal sleeve thus.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and the configuration relation of a hollow metal sleeve, an insulation shell and a conducting terminal of first preferred embodiment of the utility model power connector is described;

Fig. 2 is a side elevation in partial section, and the configuration relation of this hollow metal sleeve, this insulation shell and this conducting terminal of this first preferred embodiment is described;

Fig. 3 is an end view, and this hollow metal sleeve, this insulation shell of this first preferred embodiment and the assembly relation after the assembling of this conducting terminal are described;

Fig. 4 is a three-dimensional exploded view, this hollow metal sleeve, this insulation shell and the assembling of this conducting terminal of this first preferred embodiment is described after, with the configuration relation of a power line and an insulating cover;

Fig. 5 is a stereogram, and the assembly relation of an Electric plug with shutter of this first preferred embodiment is described;

Fig. 6 is a side elevation in partial section, and the configuration relation of this hollow metal sleeve, this insulation shell and this conducting terminal of second preferred embodiment of the utility model power connector is described; And

Fig. 7 is a stereogram, and this hollow metal sleeve, this insulation shell of this second preferred embodiment and the assembly relation after the assembling of this conducting terminal are described.

Wherein, main description of reference numerals is as follows:

1 power connector, 2 power lines, 3 insulation shells

31 surrounding walls, 311 first ends, 312 second ends

313 sections, 314 grooves, 315 shoulders

316 accommodation spaces, 317 interfaces, 32 first limiting sections

33 second limiting sections, 331 matrixes, 332 lead segment

341 first ones of 333 sides, 34 perforation

342 second ones 343,346 stopper section 344 small-bore portions

345 large aperture portions, 35 convex extension parts, 4 hollow metal sleeves

41 internal faces, 5 conducting terminals, 51,55 bodies

511 interference parts, 52,56 connecting portions, 521,561 welding endss

53,57 contact sites, 531,571 contact jaws, 54 shoulders

58 junction surfaces, 6 insulating covers, 7 Electric plug with shutter

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, cooperate below in two DETAILED DESCRIPTION OF THE PREFERRED with reference to the accompanying drawings, can clearly present.

Consult Fig. 1, Fig. 2 and Fig. 3, it shows first preferred embodiment of the utility model power connector 1, be used to electrically connect butt joint electric connector (not shown) and a power line 2 (shown in Figure 4), power connector 1 comprises hollow metal sleeve 4 and that an insulation shell 3, is sheathed on insulation shell 3 outer surfaces and wears and be fixed in the interior conducting terminal 5 of insulation shell 3.

It is cylindric that insulation shell 3 is substantially, adopts in-molded or injection molding method is made, and insulation shell 3 has an annular surrounding wall 31, one first limiting section 32 and two second limiting sections 33.Surrounding wall 31 has one first end 311 and second end 312 with respect to first end 311, and limit the perforation 34 of the accommodation space 316 and contiguous second end 312 of contiguous first end 311 that is connected, insulation shell 3 also has sheet convex extension part 35 integrated by second end, 312 ora terminalis, that axially protrude out.The ora terminalis radial outward that first limiting section 32 is adjacent to first end 311 from surrounding wall 31 is extended and is an annular lip, and second limiting section 33 goes out from two opposite side radial projection of the outer surface of surrounding wall 31 contiguous second ends 312, is a projection shape.In addition, each second limiting section 33 all has a block matrix 331 that protrudes out from surrounding wall 31 outer surfaces, and is the lead segment 332 that ramped shaped extends to surrounding wall 31 outer surfaces from matrix 331 towards second end, 312 directions.

Therefore accommodation space 316 diameters that surrounding wall 31 limits form a shoulder 315 at intersection greater than perforation 34.In the present embodiment, the cross section of perforation 34 is rectangular substantially, and bore a hole and 34 can divide into one first one 341 of contiguous second end 312, and one is adjacent to shoulder 315 and cross-sectional width and forms a stopper section 343 greater than first one 341 second one 342, the first ones 341 and second ones 342 joint.

In addition, on the two opposite sides of surrounding wall 31 contiguous second ends 312 places, surrounding wall 31 outer surfaces, be the section 313 that parallel recesses ground forms suitable length respectively substantially, the front end in each section 313 is recessed to form the groove 314 that extends to second end 312 downwards, and two sections 313 are vertical substantially with the side of convex extension part 35.Be formed with an interface 317 between each groove 314 and the section 313, the side 333 of the matrix 331 of aforementioned second limiting section 33 of interface 317 alignment.Because two sections 313 and the roughly staggered compartment of terrain of two second limiting sections 33 are formed at the outer surface of surrounding wall 31, and interface 317 aligns with the side 333 of matrix 331, so second limiting section 33 more is adjacent to second end 312 than section 313.Hollow metal sleeve 4 is sheathed on the insulation shell 3 by the direction of second end 312 towards first end 311.In sheathed process, the internal face 41 of hollow metal sleeve 4 can contact with two lead segment 332 of second limiting section 33 earlier, hollow metal sleeve 4 is slightly strutted the shifting ground, and slightly the distortion bundle place of contracting just can be positioned at 313 places, two sections, and setting by two grooves 314, make in the sheathed process of hollow metal sleeve 4, can be fulcrum with groove 314 by an aid (not shown), promote hollow metal sleeve 4 forward, one end of final hollow metal sleeve 4 is subjected to the backstop of first limiting section 32 and can't advances, the other end then be subjected to second limiting section 33 matrix 331 backstop and can't move, make hollow metal sleeve 4 firmly install and be limited on the insulation shell 3.Yet, those skilled in the art can know, first limiting section 32 and second limiting section 33 also can be all lip, or be all projection or other moulding, and the quantity that second limiting section 33, section 313 and groove 314 are provided with also can be one or more, it can both reach above-mentioned effect, and should not be subject to the scope that present embodiment discloses.

Conducting terminal 5 adopts the punch forming mode made, comprises having strip and a rectangular substantially body 51, a junction 52 and a cylindric contact site 53.Body 51 is arranged in the perforation 34 second one 342, in connecting portion 52 protrudes out and is arranged in first one 341 by body 51 1 ends and part stretch out outside second end 312, body 51 other ends then protrude out and form the cylindrical contact site 53 that is positioned at accommodation space 316.52 of body 51 and connecting portions also form a shoulder 54, and contact with stopper section 343 and produce interference effect.The both sides of body 51 are formed with and 34 second ones 342 interference parts 511 of interfering mutually of perforation, and each interference part 511 is a bur.In addition, connecting portion 52 is formed with a welding ends 521 that is positioned at outside second end 312, and contact site 53 is formed with a contact jaw 531 away from body 51.

In the time of in conducting terminal 5 is arranged in perforation 34, because of shoulder 54 contacts by backstop with stopper section 343, and the interference part 511 of body 51 and second one 342 wall interfere with each other, and body 51 can firmly be positioned in second one 342 and can not produce sliding phenomenon.In addition, it is identical that the length of the sheet convex extension part 35 of insulation shell 3 and connecting portion 52 convexedly stretch in the outer length of second end 312, in order to preventing when connecting portion 52 convexedly stretches in second end 312 outside and when influenced by external force, and produces the situation of being out of shape or rupturing.

Consult Fig. 4 and Fig. 5, when hollow metal sleeve 4 is sheathed on the insulation shell 3, and after conducting terminal 5 was inserted in perforation 34 (as Fig. 2), the welding ends 521 of connecting portion 52 can be welded on the power line 2, makes conducting terminal 5 and power line 2 realize electrically connecting.After welding ends 521 is welded in power line 2, the insulating cover 6 that is capped an ejection formation is in its joint, and form an Electric plug with shutter 7, so that the user is held, and hollow metal sleeve 4 exposes a suitable length with insulation shell 3, so that plug in the butt joint electric connector, and dock electric connector and realize electric connection.

Consult Fig. 6 and Fig. 7, it is second preferred embodiment of the utility model power connector 1, the unitary construction of second embodiment and assembling mode are identical with first embodiment, difference is that conducting terminal 5 is to adopt the turning mode made, body 55, connecting portion 56 and contact site 57 are all cylindrical substantially, connecting portion 56 has one and is positioned at the outer welding ends 561 of second end 312, and contact site 57 then has a contact jaw 571 that is positioned at accommodation space 316.Conducting terminal 5 also has a junction surface 58 that is connected between body 55 and the connecting portion 56.In addition, in the present embodiment, the cross section of perforation 34 is rounded substantially, and circular perforations 34 has a small-bore portion 344, a large aperture portion 345, reaches a stopper section 346.Small-bore portion 344 contiguous second ends 312 wear for connecting portion 56,345 in large aperture portion is adjacent to shoulder 315, its diameter is greater than small-bore portion 344, and wears for body 55, and stopper section 346 is formed between small-bore portion 344 and the large aperture portion 345 in order to backstop junction surface 58.In the time of in conducting terminal 5 is arranged in perforation 34, contact with junction surface 58 and by backstop, conducting terminal 5 is limited in bore a hole in 34 by stopper section 346.

In sum, the hollow metal sleeve 4 of power connector 1 of the present utility model is positioned on the insulation shell 3 in direct sheathed mode, by the balanced configuration of section 313 with groove 314, make assembling process convenient and rapid, and the backstop by first limiting section 32 and second limiting section 33 and spacing, hollow metal sleeve 4 can firmly be limited on the insulation shell 3.Therefore, in assembling process, can not influence the surface characteristic of hollow metal sleeve 4, and make its conductivity variation, more not need hollow metal sleeve 4 is carried out surface treatment, can reduce production costs, so can reach aforementioned purpose of the present utility model really.

The above only is a preferred embodiment of the present utility model; and be not in order to limit the scope that the utility model is implemented; be that all simple equivalent of doing according to scope of the present utility model and description change and revise, all should belong to the scope of the utility model protection.

Claims

1. a power connector is characterized in that, comprises:

One insulation shell, comprise that one has the surrounding wall of one first end and one second end, and be formed at this surrounding wall outer surface and be respectively adjacent to one first limiting section and at least one second limiting section of this first, second end, this surrounding wall limits the perforation of accommodation space and contiguous this second end of contiguous this first end that is connected;

One hollow sleeve is between sheathed this first limiting section and described second limiting section that is limited in this insulation shell; And

One conducting terminal is arranged in this perforation and extends to this accommodation space.

2. power connector according to claim 1 is characterized in that, this first limiting section extends and in the form of a ring from the ora terminalis radial outward of contiguous this first end of this surrounding wall.

3. power connector according to claim 1, it is characterized in that, described second limiting section is from the outer surface radial projection of contiguous this second end of this surrounding wall and go out, and comprises that a block matrix and is the lead segment that ramped shaped is extended from this matrix towards this second end.

4. power connector according to claim 3 is characterized in that, contiguous this second concave end of this surrounding wall outer surface forms all planes at least.

5. power connector according to claim 4 is characterized in that the front end in described section is recessed to form the groove that extends to this second end downwards, forms the interface that aligns with this matrix side between described groove and the described section.

6. power connector according to claim 3 is characterized in that, described second limiting section is two.

7. power connector according to claim 6, it is characterized in that, the both sides of contiguous this second end of this surrounding wall outer surface are recessed to form two sections respectively, and described two sections and described two second limiting sections are staggered to form in this surrounding wall outer surface.

8. power connector according to claim 7 is characterized in that, each section front end all is recessed to form the groove that extends to this second end downwards, forms an interface that aligns with this matrix side between described groove and the described section.

9. power connector according to claim 1, it is characterized in that, this conducting terminal has connecting portion that a body that is arranged in this perforation, protrudes out towards this second end from this body and and protrudes out and be positioned at the contact site of this accommodation space towards this first end by this body, this connecting portion has a welding ends away from this body, and this contact site has a contact jaw away from this body.

10. power connector according to claim 1 is characterized in that, this insulation shell have one from the one-body molded earth's axis of the ora terminalis of this second end to the sheet convex extension part that protrudes out.

11. power connector according to claim 9, it is characterized in that, this body and all rectangular strip of this connecting portion, and this contact site is cylindrical, and the perforation of this insulation shell is the rectangular perforation in a cross section, the perforation of this rectangle has first one that contiguous this second end wears for this connecting portion, and a cross-sectional width is greater than this first one and second one of wearing for this body.

12. power connector according to claim 11, it is characterized in that, be formed with a shoulder between the body of this conducting terminal and this connecting portion, formation one supplies the stopper section of this shoulder of backstop between first one and this second one of the perforation of this insulation shell when this conducting terminal wears into this insulation shell.

13. power connector according to claim 11 is characterized in that, the both sides of this body protrude out and are formed with the interference part that interferes with each other with this wall of second one, and each interference part all has at least one bur.

14. power connector according to claim 9, it is characterized in that, this body, this connecting portion and this contact site are all cylindrical, and the perforation of this insulation shell is the rounded perforation in a cross section, this circular perforations has the small-bore portion that contiguous this second end wears for this connecting portion, and a diameter is greater than this small-bore portion and the large aperture portion that wears for this body.

15. power connector according to claim 14, it is characterized in that, this conducting terminal has a junction surface that is connected in this body and this connecting portion, and this perforation has a stopper section that is defined between this small-bore portion and this large aperture portion in order to this junction surface of backstop.