CN201805090U

CN201805090U - Power connector

Info

Publication number: CN201805090U
Application number: CN201020286716XU
Authority: CN
Inventors: 黄英哲; 谢文婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-10
Filing date: 2010-08-10
Publication date: 2011-04-20
Anticipated expiration: 2020-08-10

Abstract

The utility model relates to a power connector and mainly solves the problems that the connection of a common power connector is not firm, and the plug of the common power connector is apt to shake and run out of the socket of the common power connector. The power connector comprises a socket and a plug. A jack used for the insertion of the plug is arranged on the socket. The jack consists of an outer sleeve and an inner sleeve. A plurality of positioning grooves are arranged on the inner wall of the outer sleeve. An axial cut groove is arranged on the outer sleeve. The front end of the axial cut groove is connected with the positioning grooves. A radial cut groove is arranged at the rear part of the axial cut groove. The axial cut groove and the radial cut groove jointly form a clamping groove. A plurality of positioning blocks corresponding to the positioning grooves are arranged at the front end of the plug. The utility model has the advantages that the connection between the plug and the socket is firmer and the plug is not apt to shake and run out of the socket; and since a fool-proof structure is provided, the reverse connection of the connector is prevented, the structure is more reasonable, the assembling is convenient and the product qualification rate is improved.

Description

A kind of power connector

Technical field

The utility model relates to a kind of power supply connecting device, relates in particular to a kind of power connector that is connected firmly, is difficult for dropping out.

Background technology

The structure of power connector is generally at present: comprise plug and socket, the Front-end Design of plug becomes a cylindrical structural, and plug directly inserts socket.But this connector does not have error-proof structure, causes reversal connection through regular meeting during use, makes that the part in plug or the socket is damaged, and the connection of the connector of this structure is not very firm in addition, rocks easily, and plug drops out in socket easily, and influence is used.A kind of audio connector is disclosed as Chinese utility model patent 200620053364.7, it comprises insulating base frame, be provided with the concentric jack that plug inserts in the insulating base frame, concentric jack in the insulating base frame is made of outer sleeve and inner sleeve, sleeve lining is provided with the locking plate of location outside, axially respectively be provided with the groove of one group of symmetry at the inside and outside wall of inner sleeve, be provided with a pair of connection contact in the groove, the jack bottom is provided with positioning bottom cap with one heart, and the concentric jack bottom between outer sleeve and inner sleeve is provided with rubber ring.The rubber ring that is provided with in this connector has reduced the plug mechanical damage that impact brings to connector when connecting, but can not well guarantee the connection that connector is firm, still has the problem of rocking easily and dropping out easily.

Summary of the invention

The utility model has mainly solved general power connector and has connected insecurely, and plug rocks easily the problem that drops out in the socket easily, and a kind of power connector that is connected firmly, is difficult for dropping out is provided.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of power connector, comprise socket and plug, on socket, be provided with the jack that allows plug insert, this jack is made of outer sleeve and inner sleeve, the inwall of outer sleeve is provided with several location notchs, on described outer sleeve, be provided with an axial grooving, axially the grooving front end is connected with location notch, be provided with a grooving radially at the axial rear portion of grooving, described axial grooving and radially grooving constituted a draw-in groove together, described plug head is provided with some and the corresponding locating piece of location notch.Location notch on the socket outer sleeve, draw-in groove have formed an error-proof structure, can prevent plug reversing, cause plug to damage.In addition, draw-in groove and locating piece also form a spiral card buckle structure, and locating piece slips into behind the axial grooving through the rotation holding in grooving radially, and this makes plug firmly to be connected in the socket, and be difficult for dropping out, solved in the past plug snap in socket insecure, easily problem such as rock.

As a kind of preferred version of such scheme, the inwall of described outer sleeve is provided with two small one and large one location notch one and location notchs two, and wherein location notch two links to each other with described axial grooving.Two location notchs are set, and location notch is designed to small one and large one, and the location is more accurate when making plug insertion socket, more is not prone to phenomenons such as reversal connection.

As a kind of preferred version of such scheme, described socket rear portion is provided with bonnet, and this bonnet is cup-shaped, covers on the described outer sleeve, and the bonnet front end is fixed on the socket back side.Bonnet has covered outer sleeve, and the part that covers on has wherein been played protective effect.

A kind of preferred version as such scheme, described back cover back-end is provided with insulating wall, described insulating wall by several cell bodies dorsad the axle center around being formed by connecting, in described jack, be provided with several and connect contact, the rear end that connects contact is separately positioned in the corresponding with it cell body, connects the contact rear end and is fixed in the cell body.This insulating wall has been guaranteed the individual short circuit mutually of contact that respectively connects, and has played good insulating effect.

A kind of preferred version as such scheme, described plug comprises shell, be connected with connector at the shell front end, described locating piece is arranged on the connector front end, locating piece is provided with two, be respectively locating piece one and locating piece two, described locating piece one, locating piece two are corresponding with the position size of location notch one, location notch two on the outer sleeve respectively.Locating piece one size matches with location notch one size, locating piece two sizes match with location notch two sizes, and the position between locating piece one and the locating piece two is consistent in opposite directions with the position of location notch one and location notch two respectively, when plug is connected with socket, locating piece one slips into location notch one, two locating pieces two slip into location notch two, prevent the plug and socket reversal connection.

A kind of preferred version as such scheme, projection is formed with the slip keyseat on described shell, on the slip keyseat, be connected with slide key, described slide key front end extends to connector downward vertically and is formed with a button, the button front end is provided with block, and the size of described block matches with location notch one size, is provided with installing hole at slip keyseat front end, be provided with spring in installing hole, described spring withstands on the inboard of button.This slide key can move forward and backward, and after plug and socket connected, the block on the button just in time was embedded in the location notch one, and plug latch is fixed on the socket, has prevented the plug rotation, makes that plug can be by dropping out in the socket.

The utility model has the advantages that: the buckle structure that draw-in groove and locating piece form, it is more firm to make that plug and socket connects, and plug is difficult for rocking, is difficult for dropping out in socket; Location notch, draw-in groove have formed an error-proof structure, have prevented the connector reversal connection, have protected connector; Structure is more reasonable, has made things convenient for assembling, and then has improved product percent of pass.

Description of drawings

Fig. 1 is a kind of structural representation of socket in the utility model;

Fig. 2 is a kind of structure exploded perspective view of socket in the utility model;

Fig. 3 is a kind of structural representation of plug in the utility model;

Fig. 4 is a kind of structure cutaway view of plug in the utility model.

Embodiment:

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is further described.

Embodiment:

A kind of power connector of present embodiment as shown in figures 1 and 3, comprises socket 1 and plug 2 two parts.Socket is provided with jack in the centre of socket as depicted in figs. 1 and 2, and this jack is made of outer sleeve 3 and inner sleeve 4, and inner sleeve is coaxial to be arranged in the outer sleeve.Sleeve lining is provided with two small one and large one location notch 1 and location notchs 2 12 outside, as shown in fig. 1, location notch one is arranged on outer sleeve twelve-hour position, and location notch two is arranged on outer sleeve three position, also is inlaid with stator 22 in location notch one.Also be provided with axial grooving 9 on outer sleeve, this axial grooving is anterior to be connected with location notch two, is provided with a grooving 10 radially at axial grooving rear portion, this axial grooving and the grooving L shaped draw-in groove of formation one jointly radially.8, one contacts of three connection contacts are installed in jack are installed in the inner sleeve, two connection contacts are installed between inner sleeve and the outer sleeve in addition.Be provided with bonnet 5 at the socket rear portion, this bonnet is cup-shaped, covers on outside the outer sleeve, and the bonnet front end is by being bolted to the socket back side.The rear end of bonnet is provided with insulating wall 6, and this insulating wall comprises three cell bodies 7, and the cell body difference is the bonnet axle center dorsad, and arranges around the axle center.The rear end that connects contact 8 is stretched into respectively in the corresponding cell body, and by being bolted on the cell body, this cell body will connect contact and separate, and prevent to connect short circuit between the contact.

As shown in Figure 3 and Figure 4, plug 2 comprises shell 23, the front end of shell is connected with connector 14, this connector becomes tubular, it matches with space between outer sleeve and the inner sleeve on the socket, be provided with locating piece 1 and locating piece 2 16 at the connector front end, this locating piece one is corresponding with location notch 1 and location notch 2 12 respectively with locating piece two shape positions, projection is formed with slip keyseat 19 on shell 23, as shown in Figure 3, caving inward in slip keyseat front end and shell front end joint is formed with a breach, is connected with slide key 13 on the slip keyseat, and the slide key front end extends to connector downward vertically and is formed with a button 17, the button front end is provided with block 18, this button is positioned at breach, and block is against on the connector surface, and the size of block matches with location notch one 11 sizes, be provided with installing hole 20 at slip keyseat front end, be provided with spring 21 in installing hole, to locating to be provided with a projection, the spring front end is arranged on the projection in button installed inside hole institute.

In use, with a pair of accurate location notch one of the locating piece on the plug, locating piece two is aimed at location notch two, then plug is pushed inward, locating piece one enters axial grooving by location notch one, move to axial grooving bottom up to locating piece one, choose plug then, make locating piece one enter radially grooving, locating piece one is stuck in radially in the grooving, and the button of slide key is along with before rotation moved to location notch one on this moment plug, and the block of button front end is embedded in the location notch one, and plug latch is fixed on the socket.In when dismounting, the user promotes slide key backward, makes block by extracting out in the location notch one, and opposite spin then makes locating piece one be moved out to axial grooving place by grooving radially, extracts plug at last out.

Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Although this paper has used terms such as plug, socket, inner sleeve, outer sleeve morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.

Claims

1. power connector, comprise socket and plug, on socket, be provided with the jack that allows plug insert, this jack is made of outer sleeve and inner sleeve, the inwall of outer sleeve is provided with several location notchs, it is characterized in that: on described outer sleeve (3), be provided with an axial grooving (9), axially the grooving front end is connected with location notch, be provided with a grooving (10) radially at the axial rear portion of grooving, described axial grooving and radially grooving constituted a draw-in groove together, described plug head is provided with some and the corresponding locating piece of location notch.

2. a kind of power connector according to claim 1, the inwall that it is characterized in that described outer sleeve (3) are provided with two small one and large one location notch one (11) and location notchs two (12), and wherein location notch two links to each other with described axial grooving (9).

3. a kind of power connector according to claim 1 and 2 is characterized in that described socket (1) rear portion is provided with bonnet (5), and this bonnet is cup-shaped, covers on the described outer sleeve (3), and the bonnet front end is fixed on socket (1) back side.

4. a kind of power connector according to claim 3, it is characterized in that described bonnet (5) rear end is provided with insulating wall (6), described insulating wall by several cell bodies (7) dorsad the axle center around forming, in described jack, be provided with several and connect contact (8), the rear end that connects contact is separately positioned in the corresponding with it cell body, connects the contact rear end and is fixed in the cell body.

5. a kind of power connector according to claim 2, it is characterized in that described plug (2) comprises shell (23), be connected with connector (14) at the shell front end, described locating piece is arranged on the connector front end, locating piece is provided with two, be respectively locating piece one (15) and locating piece two (16), described locating piece one, locating piece two are corresponding with the position size of location notch one (11), location notch two (12) on the outer sleeve (3) respectively.

6. a kind of power connector according to claim 5, it is characterized in that going up projection at described shell (23) is formed with slip keyseat (19), on the slip keyseat, be connected with slide key (13), described slide key front end extends to connector downward vertically and is formed with a button (17), the button front end is provided with block (18), the size of described block matches with location notch one (11) size, be provided with installing hole (20) at slip keyseat front end, be provided with spring (21) in installing hole, described spring withstands on the inboard of button (17).