CN201038406Y

CN201038406Y - Terminal structure for power connector

Info

Publication number: CN201038406Y
Application number: CNU2007201401565U
Authority: CN
Inventors: 邱书毅
Original assignee: Alltop Technology Co Ltd
Current assignee: Alltop Technology Co Ltd
Priority date: 2007-04-11
Filing date: 2007-04-11
Publication date: 2008-03-19
Anticipated expiration: 2017-04-11

Abstract

The utility model discloses a terminal structure of power connector. A female terminal for being inserted by a male terminal comprises a body and an outer shell. The body is provided with a positioning part which can be arranged fixedly in a preset insulating seat body, and one side of the positioning part is provided with a welding part which can perforate out of the preset insulating seat body, while the surface of a docking part far away form the welding part arranged on the other side is covered by the outer shell, which makes a limit part on lateral of the outer shell embedded in a groove corresponding to the docking part to form an embedded fixation so as to prevent the outer shell from producing axial rotation on the surface of the groove. An insert part of the male terminal is inserted in a containing hole in inner space of the docking part of the female terminal by same axial displacement, thus the docking part with a groove designed into a tapered shape conducts elastic deformation and expansion outwards due to insertion and extrusion of the male terminal; moreover, the docking part is prevented from opening excessively due to excellent covering effect of the outer shell, thus is clamped firmly on the surface of the male terminal so as to increase stability of electrical connection and achieve the aim of effective positioning, excellent electrical connection and good transmission effect of signals.

Description

The terminal structure of power connector

Technical field

The utility model relates to a kind of terminal structure of power connector, the female terminal that You Zhike electrically pegs graft for male terminal, so tool profile groove and the docking section that is the gradually-reducing shape design are pushed in the insertion that is subjected to male terminal, and strain expansion laterally, firmly to be clamped on the male terminal surface, and then can increase the stability of electric connection, and can reach certain location, electrically connect good and the good purpose of signal laser propagation effect.

Background technology

Press, the fast development in computer science and technology epoch now, the manufacturing of many New Times products, production or use are all closely bound up with electronics technology, also there are more and more many products must rely on the innovation gimmick of electronics technology, master-hand reaches more perfect boundary, do not break away from relation so arround living environment, have many article and electronics technology, and the arriving in science and technology epoch not only arround the many products with electronic correlation of generation in life, many electronic correlation products also have more and more many additional functions of use, therefore, on electronic product, promptly set up majority and can connect the connector that uses for peripheral product, power connector for example, the source of sound terminal connector, USB type connector, RJ type connector, memory card connectors etc. all are to be connected the important jockey that uses so that electronic product and peripheral product are done.

See also shown in Figure 8, be existing side cutaway view, find out by knowing among the figure, existing power connector is the insulating base frame A1 at the first connector A and the second connector B, be equipped with the first contact terminal A2 and the second contact terminal B2 in the B1 respectively, and make the first connector A for electrically being docked in the second connector B, Plug Division A21 for the first contact terminal A2, be can coaxial displacement and electrically be plugged on and form the location in the junction surface B21 of the second contact terminal B2, but this kind power connector is repeating under the grafting use for a long time, the first contact terminal A2 of the multiple different diameter of described tool and the second contact terminal B2, the interface place that is easy to its each different diameter respectively produces the phenomenon that stress is concentrated, and cause the off normal of each terminal or bending to be out of shape, yet, if a little off normal or bending distortion are arranged between the first contact terminal A2 and the second contact terminal B2, promptly can cause contraposition to be difficult for and the untrue disappearance in location, and when still applying pre-power by force and peg graft with the first contact terminal A2, will cause the second contact terminal B2 to be subjected to compeling power and strut distortion laterally, more serious also can produce the situation of slight crack or fracture, and then causes the inefficacy or the interruption of its electric connection.

Moreover, in order to solve every disappearance of above-mentioned existing power supply connector, then having the dealer to develop this kind can effectively avoid each terminal when pegging graft, because of contraposition bad with the location uncertain, there is the novel practical of slight crack or fracture novel and cause terminal to be forced to the power generation, see also shown in Figure 9, be to be another existing three-dimensional exploded view, find out by knowing among the figure, existing power connector is to be formed with jack C1 in butt joint terminal C, and be concaved with in the form of a ring storage tank C2 at jack C1 outer surface, and storage tank C2 surface offers hollow hole C3, continuing makes storage tank C2 face cap be covered with C type latch closure D, the aforesaid power connector of thought, jack C1 aperture in its butt joint terminal C is the Plug Division E1 external diameter greater than inserting terminal E, and when pegging graft, also can cause can produce necessarily between butt joint terminal C and inserting terminal E between the crack, therefore can't form the excellent electrical property contact, and need be by means of the pinching power effect of C type latch closure D, make the stressed strain of butt joint terminal C of tool hollow hole C3 shrink, just be able to inserting terminal E firmly is clamped in the jack C1 of butt joint terminal C, and form the state that electrically conducts with CONTACT WITH FRICTION, yet, if there is no C type latch closure D is set in use, then will cause the uncertain of electric connection between butt joint terminal C and inserting terminal E.

And C type latch closure D there is no the structure of any tool clip effect, and C type latch closure D surface is for being circular-arc level and smooth contact-making surface, it only utilizes the frictional force between interior sidewall surface and storage tank C2, to reach clamping purpose closely, and at inserting terminal E when docking terminal C and peg graft, to cause C type latch closure D to go up in storage tank C2 easily and produce axial rotation, and treat the hollow hole C3 contraposition mutually of C type latch closure D one side opening D1 and butt joint terminal C, to make C type latch closure D outwards to be out of shape expansion because of butt joint terminal C, and by the crimp relatively laterally of opening D1 place, so that significantly reduce in the clamping effect, also can cause inserting terminal E in butt joint terminal C, to produce situation loosening or that break away from and take place, and then make the unsteadiness of electrically transmission improve.

In summary, every disappearance of existing power supply connector is the direction place that the relevant manufacturer that is engaged in the industry desires most ardently the research improvement, and the dealer that remains to be correlated with makes further improvement and the necessity that redesigns.

The utility model designer is because above-mentioned problem and defective, be to collect related data,, and utilize the research and development experience of being engaged in the industry for many years via assessment and consideration in many ways, via constantly studying and revising, the beginning is designed the novel birth of the terminal structure of this kind power connector.

Summary of the invention

Main purpose of the present utility model is, a kind of terminal structure of power connector is provided, can reach electrically connect good and the signal laser propagation effect good, prevent that shell body from producing axially rotation on ring groove surface, and then can avoid shell body loosening or break away from this externally, and reach firm, the purpose of location really.

For achieving the above object, the technical solution adopted in the utility model is, a kind of terminal structure of power connector is provided, described male terminal is for aligning and with coaxial displacement, and be plugged in the docking section of female terminal body, the Plug Division leading edge that is about to male terminal is the guiding incline interior sidewall surface along the place ahead, female terminal docking section, be embedded in the containing hole and must take advantage of a situation, make tool profile groove and the docking section that is gradually-reducing shape be subjected to the insertion extruding of male terminal, and outwards strain expansion, firmly to be clamped on the male terminal surface and to form the excellent electrical property conducting state, and the cover good because of shell body covers effect, and can limit outwards excessive strutting of docking section, with can avoid the docking section and open laterally because of the power of being squeezed, and then the generation of the situation of generation slight crack or fracture, can be plugged in the containing hole of body interior for male terminal, and form firm pinching location.

The inner open buckle space that forms of described shell body is a side wall surface within the side opening, is embedded in the annular groove of docking section and take advantage of a situation, and covers to overlay on the annular groove and form inlay card because of elastic reset power and fix.

Advantage of the present utility model is, connects good and good, firm, the certain location of signal laser propagation effect.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is the stereo appearance figure at another visual angle of the utility model;

Fig. 4 is the preceding side cutaway view of the utility model assembling;

Fig. 5 is the side cutaway view after the utility model assembling;

Fig. 6 uses preceding schematic diagram for the utility model;

Fig. 7 is the schematic diagram of the utility model after using;

Fig. 8 is existing side cutaway view;

Fig. 9 is another existing three-dimensional exploded view.

Description of reference numerals: 1-female terminal; The 11-body; The 1152-supporting surface; The 111-location division; The 116-profile groove; The 112-weld part; The 12-shell body; The 113-docking section; 121-buckle space; The 114-containing hole; The 122-opening; The 1141-guiding incline; The 123-limiting section; The 115-annular groove; 123 1-profile grooves; The 1151-inclined plane; 1232-buckle projection; The 2-male terminal; The 21-Plug Division; The 3-insulating base frame; 31-clip hole; A-first connector; The A1-insulating base frame; The A21-Plug Division; A2-first contact terminal; B-second connector; The B1-insulating base frame; The B21-junction surface; B2-second contact terminal; C-docks terminal; The C1-jack; The C3-hollow hole; The C2-storage tank; D-C type latch closure; The D1-opening; The E-inserting terminal; The E1-Plug Division.

Embodiment

For reaching above-mentioned purpose and structure, technological means that the utility model adopts and purpose thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present utility model its step and function are as follows, profit is understood fully.

See also Fig. 1 to shown in Figure 3, be be respectively stereo appearance figure of the present utility model, three-dimensional exploded view, with the stereo appearance figure at another visual angle, find out by knowing shown in the figure, the utility model is to include the female terminal 1 that body 11 and shell body 12 are formed, thus with regard to primary structure feature of the present utility model describe in detail as after; Wherein:

Described body 11 is to be provided with the location division 111 that can be installed in the default insulating base frame 3, and in the location division 111 1 sides are provided with the weld part 112 that can pass in default insulating base frame 3 outsides, side in addition away from weld part 112 then is provided with the docking section 113 that is the gradually-reducing shape design, and in docking section 113, be formed with containing hole 114, with 113 surfaces are provided with the annular groove 115 that is recess in the docking section, and make annular groove 115 cut open the profile grooves 116 that are provided with at least one or can supply docking section 113 activities to articulate more than towards the outside by location division 111.

Described shell body 12 is generally to design in the form of a ring, and portion is formed with and can covers the buckle space 121 that overlays on body 11 surperficial annular grooves 115 within it, and buckle space 121 1 sides offer opening 122, then be provided with being positioned at the limiting section 123 of body 11 surperficial profile grooves 116 at shell body 12 sides, promptly finish main aspect of the present utility model and be combined in above-mentioned member.

And above-mentioned containing hole 114 can further be formed with guiding incline 1141 at an outside insertion mouthful place; 111 joining places can further be formed with inclined plane 1151 in the location division with annular groove 115, and then are formed with supporting surface 1152 in the side in addition away from inclined plane 1151; Moreover described limiting section 123 can further cut open and be provided with at least one group of above relative formula profile groove 1231, and is bent with buckle projection 1232 downwards at relative 1231 of formula profile grooves.

See also Fig. 4 to shown in Figure 7, be to be respectively the preceding side cutaway view of the utility model assembling, side cutaway view after the assembling, schematic diagram after schematic diagram before using and the use, find out by knowing shown in the figure, rely on above-mentioned member when assembling, be that first body 11 with female terminal 1 is installed in the default insulating base frame 3, even the location division of body 11 111 is for forming the location in the clip hole 31 that is embedded in default insulating base frame 3, the weld part 112 of location division 111 1 sides then passes in default insulating base frame 3 outsides, go up and form electric connection to be welded on preinstalled circuit plate (not shown in the figures bright), the continuous body 11 that makes is covered with shell body 12 with respect to weld part 112 other docking section 113 face cap of side, and the limiting section 123 of shell body 12 sides is the profile groove 116 to being positioned at docking section 113, fix and limiting section 123 can be embedded in the profile groove 116 and form inlay card, continuous Plug Division 21 with male terminal 2 is plugged in the containing hole 114 of body 11 inside with coaxial displacement, so tool profile groove 116 and the docking section 113 that is the gradually-reducing shape design are pushed in the insertion that is subjected to male terminal 2, and strain expansion laterally, go up on male terminal 2 surfaces and formation excellent electrical property conducting state firmly to be clamped in, and promptly finishes the assembling of the utility model integral body.

Above-mentioned shell body 12 is by one side opening 122, be embedded on the 113 surperficial annular grooves 115 of docking section with the vertical direction displacement, and make the limiting section 123 of shell body 12 sides be inclined plane 1151 along annular groove 115 1 side joining places, being aided with endwisely slips displacement and take advantage of a situation is embedded in the annular groove 115, and make shell body 12 away from the limiting section 123 side wall of sides in addition, then support on the supporting surface 1152 of annular groove 115 relative tilt faces 1151 other sides, simultaneously, the buckle projection 1232 that described limiting section 123 relative formula grooves are 1231, be to be buckled in docking section 113 to be connected in the profile groove 116 of containing hole 114 and to form the location, for can being squeezed, shell body 12 is an elastic deformation in the outside relatively towards opening 122, make the inner open buckle spaces 121 that form of shell body 12, it is side wall surface within the side opening 122, and in the annular groove 115 that is embedded in docking section 113 of taking advantage of a situation, and cover to overlay on the annular groove 115 and form inlay card because of elastic reset power and fix, to prevent that shell body 12 from producing axially rotation on annular groove 115 surfaces, and then can avoid shell body 12 loosening or break away from outside body 11, and reach firm, the purpose of certain location.

Above-mentioned member in use, be earlier with male terminal 2 for aligning and with coaxial displacement, and be plugged in the docking section 113 of female terminal 1 body 11, Plug Division 21 leading edges that are about to male terminal 2 are the guiding incline 1141 that the porch is inserted in 113 outsides along the docking section, be embedded in the containing hole 114 and must take advantage of a situation, make tool profile groove 116 and the docking section 113 that is gradually-reducing shape be subjected to the insertion extruding of male terminal 2, and strain expansion laterally, go up and form the excellent electrical property conducting state firmly to be clamped in male terminal 2 surfaces, and because of shell body 12 good covers cover effect, and can limit docking section 113 outside excessive strutting, with can avoid docking section 113 and open laterally because of the power of being squeezed, and then the situation that produces slight crack or fracture takes place, can be plugged in the containing hole 114 of female terminal 1 body 11 inside for male terminal 2, and form firm pinching location, with the stability of increase electric connection, and then can reach the good and good purpose of signal laser propagation effect of electric connection.

Be with, the terminal structure of the utility model power connector, for the key that can improve prior art is:

(1) Plug Division 21 of its male terminal 2 is plugged in the containing hole 114 of female terminal 1 body 11 inside with coaxial displacement, so tool profile groove 116 and the docking section 113 that is the gradually-reducing shape design are pushed in the insertion that is subjected to male terminal 2, and strain expansion laterally, go up and form the excellent electrical property conducting state firmly to be clamped in male terminal 2 surfaces, and do not need additionally to be provided with shell body 12, the location that can directly carry out pinching to male terminal 2.

(2) limiting section 123 of its shell body 12 sides is the profile groove 116 to being positioned at docking section 113, fix and limiting section 123 can be embedded in the profile groove 116 and form inlay card, to prevent that shell body 12 from producing axially rotation on annular groove 115 surfaces, and then can avoid shell body 12 loosening or break away from outside body 11, and reach firm, the purpose of location really.

(3) its shell body 12 good covers cover effect, and can limit docking section 113 outside excessive strutting, with can avoid docking section 113 and open laterally because of the power of being squeezed, and then the situation that produces slight crack or fracture takes place, can be plugged in the containing hole 114 of body 11 inside for male terminal 2, and form firm pinching location, with the stability of increase electric connection, and then can reach the good and good purpose of signal laser propagation effect of electric connection.

So, the utility model is the terminal structure that is primarily aimed at power connector, the female terminal 1 that You Zhike electrically pegs graft for male terminal 2, be to include body 11 to form with shell body 12, and be covered with shell body 12 in the docking section of body 11 113 face cap, even the limiting section 123 of shell body 12 sides is fixed for being embedded in the 113 corresponding profile grooves 116 of docking section and forming inlay card, to prevent that shell body 12 from producing axially rotation on annular groove 115 surfaces, continuous Plug Division 21 with male terminal 2 is plugged in the containing hole 114 of 113 inside, docking section with coaxial displacement, so tool profile groove 116 and the docking section 113 that is the gradually-reducing shape design are pushed in the insertion that is subjected to male terminal 2, and strain expansion laterally, and because of shell body 12 good covers cover effect, and can limit docking section 113 outside excessive strutting, firmly to be clamped on male terminal 2 surfaces, and then can increase the stability of electric connection, and can reach certain location, electrically connect good and the good purpose of signal laser propagation effect.

In sum, the terminal structure of the above-mentioned power connector of the utility model for reaching its effect and purpose really, so the utility model really is the utility model of a practicality excellence, meets the application important document of novel patent in fact, files an application in accordance with the law.

The above only is preferred embodiment of the present utility model, from not limiting to claim of the present utility model with this, therefore use the simple and easy modification of doing and the equivalent structure variation of the utility model specification and graphic content, must in like manner be included in the claim that the utility model contains.

Claims

1. the terminal structure of a power connector supplies the female terminal of male terminal grafting, and it includes body and shell body, it is characterized in that:

Described body is provided with the location division that is installed in the default insulating base frame, and in the location division one side is provided with the weld part that passes in the default insulating base frame outside, side in addition away from weld part then is provided with the docking section, and be formed with the containing hole of pegging graft in the described docking section for male terminal, be concaved with annular groove on surface, described docking section, and make annular groove cut open the profile groove that is provided with the movable pivot joint at least one confession docking section towards the outside by the location division;

Described shell body inside is formed with the buckle space that cover overlays on the body surface annular groove, and offers opening in buckle space one side, and the housing side then is provided with being positioned at the limiting section of body surface profile groove outside.

2. the terminal structure of power connector according to claim 1 is characterized in that: the docking section of described body is to be the gradually-reducing shape design towards the outside by the location division.

3. the terminal structure of power connector according to claim 1 is characterized in that: the containing hole of described body further inserts a mouthful place and is formed with guiding incline in the outside.

4. the terminal structure of power connector according to claim 1, it is characterized in that: the annular groove of described body further is formed with the inclined plane at the location division joining place, and is formed with supporting surface in the side in addition away from the inclined plane.

5. the terminal structure of power connector according to claim 1 is characterized in that: described shell body is corresponding to be design in the form of a ring in the docking section.

6. the terminal structure of power connector according to claim 1, it is characterized in that: the limiting section of described shell body further cuts open and is provided with at least one group of relative formula profile groove, and is being bent with the buckle projection downwards between the formula profile groove relatively.