CN204732573U

CN204732573U - A kind of electrical socket and electric connector

Info

Publication number: CN204732573U
Application number: CN201520388996.8U
Authority: CN
Inventors: 西尔万·吉劳德; 阿瑙德·德兰钱特; 安东尼·桑切斯
Original assignee: A Raymond SARL
Current assignee: A Raymond SARL
Priority date: 2014-06-10
Filing date: 2015-06-08
Publication date: 2015-10-28
Anticipated expiration: 2025-06-08
Also published as: CN105281079A; FR3022084A1; FR3022084B1; WO2015189509A1

Abstract

The utility model provides a kind of electrical socket and electric connector.Electrical socket (1) is for the connector of trailer coupling device, and this electrical socket comprises: aperture, is limited by annular inner wall and end wall, and corresponding plug (2) is designed to can axially be inserted in this aperture; Multiple electrical contact, is arranged in this aperture; And closure member (10), when there is no plug (2) in electrical socket (1), aperture described in this closure element closes.Described electrical contact is the contact blade of the surface of the annular inner wall being arranged on aperture, and closure member (10) has curved surface.Closure member is installed into and can moves in aperture in axial translation mode, and is provided with back-moving spring, to resist the axial motion of the end wall towards aperture of closure member (10) between end wall in aperture and closure member (10).

Description

A kind of electrical socket and electric connector

Technical field

The utility model relates to the field of the electric connector comprising plug and electrical socket, and this plug can be the plug of trailer coupling device (trailer coupler).

The utility model relates more specifically to a kind of electrical socket, comprising: the aperture limited by annular inner wall and end wall, and corresponding plug is designed to be inserted into vertically in described aperture; Be arranged on the multiple electrical contacts (some contact) in described aperture; And closure member, when there is no plug in socket, aperture described in this closure element closes.

Background technology

It is known that trailer coupling device is via the fastening hook coupling device or " hook is fastened in traction " and be tethered to the rear portion of towing vehicle of car body of being fixed on vehicle.

When the coupling device on trailer is tethered on vehicle, the signal lamp (such as blinker, stop lamp or reversing lamp) of vehicle rear is covered by trailer, and must be transmitted by electric connector by means of the signal of these lamps, this electric connector comprises the socket being usually fixed on towing vehicle and the plug being connected to the lamp on trailer via cable.

Document US 2011/165787, US 2 986 612 and US 3 233 203 are examples of the electric connector with concave portions and male portion.

Existing hook coupling device of fastening is such, and it is detachable in the mode not protruding past vehicle rear when trailer does not exist.

But the electrical socket of this electric connector is non-removable, even and if described socket unsightly, its when trailer does not exist the rear portion of towing vehicle continue keep visible.

Why Here it is wishes to arrange electrical socket as follows, that is, its when trailer is not tethered to hauling machine motor vehicle after towing vehicle as few as possible.

Usually, the electric coupling between plug and electrical socket is realized by the electrical contact pin of plug, described electrical contact pin by frictional engagement in the sheet type electrical contact be contained in electrical socket.

Trailer or van user observe, and it is often difficult for dismountable plug being inserted into (this occurs by carrying out moving in horizontal translation mode usually) in fixed socket.

In addition, when trailer coupling device is not tethered to the rear portion of towing vehicle, if the electrical contact of electrical socket does not have protected words, because the impact being subject to environmental condition (intrusion of such as water and dust) may damage.

In order to protect the electrical contact of electrical socket, closure member can be set on the aperture of electrical socket, described in patent documentation WO1997/012784 or US 7 125 269.

In patent disclosed in these, closure member is radial type air door (flap), before being inserted in electrical socket by plug, articulated air door must be lifted.

The lid formula air door that closure member also can be installed by one or more pivotable is formed, described lid formula air door is closed automatically by pivotable, to cover electrical contact and to prevent when plug and socket disconnect close to electrical contact, such as, in the mode described in patent documentation FR 2 685 981.

Patent documentation EP 2 269 845 also proposed by the electrical contact of socket and insulative molding material electric insulation are protected electrical contact.

Regrettably, the closure member of all these types or mechanically complex, or manufacture complicated.

Utility model content

The purpose of this utility model is that the electric connector by proposing another kind of type makes up these shortcomings, described electric connector is used for coupling device (coupler), especially trailer coupling device, is connected to towing vehicle, especially motor vehicles (such as automobile).

Basic thought of the present utility model is, proposes a kind of by making the aperture of socket be designed to careful fixing electrical socket below the car body of towing vehicle towards ground.

For this reason, the utility model provides a kind of electrical socket, comprising: aperture, is limited by annular inner wall and end wall, and corresponding plug is designed to can axially be inserted in this aperture; Multiple electrical contact, is arranged in described aperture; And closure member, when there is no plug in electrical socket, aperture described in described closure element closes, the feature of described electrical socket is, electrical contact is the contact blade of the surface of the annular inner wall being arranged on aperture, this closure member has curved surface, and the closure member with curved surface is installed into and can moves in aperture in axial translation mode, back-moving spring is provided with between the end wall and closure member in aperture, with in the process inserted in electrical socket at plug, the axial motion of the end wall towards aperture of opposing closure member.

Utilize such structure (layout), the insertion of plug can occur transverse to the longitudinal direction of vehicle, namely upwards, thus below the car body making it possible to electrical socket to be hidden in vehicle.

Particularly, with electrical socket not from the mode that under-vehicle is outstanding, and then in its sightless mode, electrical socket can be fixed to and flush with the rear defence guard shield of vehicle.

As long as such structure have also obtained plug and is not inserted in electrical socket the electrical socket being just always closed part and closing, thus the electrical contact being positioned at the space inner in the aperture of electrical socket of protection electrical socket is not by the impact of environmental condition.

The closure member with curved surface can for having the recessed disk-form of circular contour, and the female is positioned at the center of this dish.Closure member also can have angled shape, such as, have square, rectangle or in fact leg-of-mutton profile, and the heart has taper and is recessed into wherein.

Electrical socket of the present utility model advantageously can have following characteristics:

Each electrical contact sheet is inserted at plug on the axial direction in electrical socket and extends;

Each electrical contact sheet is arranged to via crimp type terminal (crimp lug) wiring.

The utility model additionally provides a kind of electric connector, it is characterized in that, it comprises electrical socket and is arranged to axially to be inserted into the plug in the aperture of electrical socket.

Electric connector of the present utility model advantageously can have following characteristics:

Plug has the header body limited by annular outer wall and head, described header body is provided with multiple electrical contacts of the sheet form of the surface of the annular outer wall being arranged in header body, and the head of header body has the curved surface with the curved surface complementation of the closure member of electrical socket;

The electrical contact of plug is contact blade, and each contact blade has elastic region;

Header body and aperture have complementary cylindrical annular surface;

Provide bonding system, this bonding system is formed with the tongue piece on electrical socket and groove by being separately positioned on plug;

Electrical socket and plug are provided with the system that attracts each other utilizing magnet (magnet);

There is provided the locking system with pull tab, for plug axial lock being fixed on the appropriate location in electrical socket;

Plug has handle, and described pull tab is arranged in described handle;

Plug is the plug for coupling device (specifically for trailer coupling device); And

The curved surface of the closure member of socket is recessed towards the inner side in the aperture of socket.

Utilize all these features, obtain a kind of electric connector, it comprises the electrical socket that can be hidden in towing vehicle rear portion, and wherein, when not having plug in electrical socket, the electrical contact of electrical socket is still protected well.

In electrical connection of the present utility model, provide the first bonding system be made up of the curved surface of the curved surface of the closure member of electrical socket and the head of header body.

In addition, provide by the second bonding system of the System's composition comprising tongue piece and groove.

Even if be appreciated that not visual inspection socket, user also finds by groping, can easily and rapidly plug is positioned at the porch in the aperture of socket by touching, consistent with the curved surface of the closure member of the curved surface with socket that make the head of header body.

Once these surfaces obtain consistent, user can rotate plug around the axis of plug in socket, to make the position consistency of the tongue piece on the position of the groove in such as plug and such as socket.

In the process making these parts consistent, carry out assisting users advantageous by the following fact, that is, usually, in consistent position, the handle of plug is directed along the longitudinal axis of vehicle.

Once make groove consistent with tongue piece, plug is just pushed in socket, more easily because magnet system makes plug and socket attract each other.

Accompanying drawing explanation

Reading below by way of limiting examples and after the detailed description of the embodiment provided with reference to accompanying drawing, the utility model can understood better and present other advantages, in the accompanying drawings:

Fig. 1 be insert in electrical socket before the schematic diagram of plug;

Fig. 2 is the schematic diagram of electric connector of the present utility model, and wherein plug is inserted in electrical socket;

Fig. 3 is the decomposing schematic representation of electrical socket of the present utility model;

Fig. 4 is the decomposing schematic representation of plug of the present utility model;

Fig. 5 is the schematic diagram seen below electrical socket;

Fig. 6 is the schematic diagram of a part for the plug seen from above; And

The schematic diagram of the electrical contact of electrical socket when Fig. 7 is in insertion plug.

Embodiment

Fig. 1 is the schematic diagram of electric connector of the present utility model, and in this example, this electric connector comprises: electrical socket 1, below the car body being designed to be fixed on hauling machine motor vehicle (not shown); And plug 2, it upwards can be inserted into electrical socket 1 along the direction shown in arrow F below the body of towing vehicle.

Fig. 2 is the schematic diagram of the plug 2 when inserting and be locked in electrical socket 1.

Fig. 1 and Fig. 2 shows the reference number discussed in the following description.

Fig. 3 is the exploded view of electrical socket 1.In the figure, several parts assembled with each other are shown.It comprises the box body 3 be such as made up of moulding of plastics materials, as shown in Figure 1.

This box body has: the base cap 4 with round center hole, the jack body 5 with perforate and the ring sleeve 6 be assembled in the perforate of jack body 5.Jack body 5 and sleeve pipe 6 form the aperture 7 with end wall.

The lid 8 with round center hole is assembled in jack body 5.The electrical contact 9 of sheet metal form is arranged in inside the annular wall of sleeve pipe 6.

Each electrical contact sheet 9 is by the wiring of standard crimp type terminal.In this example, annular sleeve 6 is furnished with 13 sheet metals.

Closure member 10 closed orifices 7.

In this example, closure member 10 is disc format, has towards the curved surface of the inner side indentation in aperture 7.Be appreciated that such as, this curved surface is defined as the surface of projection (or recess), and it can have the shape being different from disk, such as pyramidal shape.

Closure member 10 is mounted to move in aperture 7 in axial translation mode via back-moving spring 12, and this back-moving spring is around from the medial surface of closure member 10 towards the plunger 11 that the end wall of sleeve pipe 6 extends.

Magnet 24,24' and 24 " are arranged in the periphery of jack body 5.

Fig. 4 is the exploded view of plug 2.It comprises: housing, and it is such as made up of plastic material, and this housing is made up of multiple part, and described multiple sections fit is together to be defined for the handle gripping plug 2; Header body 13, is formed by the cannon plug body with annular outer surface, defines a kind of sleeve pipe, and on its outer surface, hold electrical contact sheet 14, each electrical contact sheet all has elastic region.

Each electrical contact sheet is by the wiring of standard crimp type terminal.

The head 15 of header body 13 has outwardly curved surface, and in this example, this curved surface is formed by arch dish.

The shape of the described head 15 of header body 13 and the shape complementarity of closure member 10 with curved surface, and in this example, described head has the shape of the circular protrusions that the outside towards header body is protruded.Should be appreciated that under the prerequisite not changing the utility model scope, the projection of complementary curved surface or the direction of recess can be put upside down.

The example provided in Fig. 4 shows the head 15 of header body 13, and this head has 13 electrical contacts 14 meeting standard ISO 11446.

The housing of plug 2 is made up of two and half shells 16 and 16' and strutting piece 17, described two and half hull shapes become handle, described strutting piece is for supporting the header body 13 being wherein provided with locking system, in this example, locking system has the pull tab 18 of control two side connecting rods 19 and 19', described two side connecting rods extend to them and are retracted into position in plug body 13 or they advance from header body 13 and are projected into the position two windows 23, and described two windows are arranged perpendicular to the longitudinal axis of header body 13.

Magnet 20,20' and 20 " be arranged on for supporting header body 13 strutting piece 17 in and be positioned at the periphery of strutting piece 17.

Strutting piece 17 for supporting header body 13 is assembled in two and half shells 16 and 16', and is provided with recess in the handle, for pull tab 18 is longitudinally moved to unlocked position from locking or resting position.

When pull tab 18 remains static, connecting rod 19 and 19' are arranged in the progressive position of window 23.

When pull tab 18 is by the action of user in pull tab 18 and when being in the unlocked position, connecting rod 19 and 19' are arranged in the retracted position that they are retracted into header body 13.

Fig. 5 is the view seen below electrical socket 1, shows above-mentioned part when assembled.In electrical socket 1, in the figure closure member 10 is not shown, can sees electrical contact 9, each electrical contact extends along the axial direction in aperture 7.

Groove 21 axially extends from the lid 8 of electrical socket 1 along sleeve pipe 6.

Fig. 6 is the view of a part for the plug 2 seen from above, show be assemblied in header body 13 in strutting piece 17 and header body 13 there is the head 15 with the curved surface of the curved surface complementation of closure member 10.

Tongue piece 22 axially extends along the annular outer surface of plug body 13.This tongue piece 22 has the shape with the shape complementarity of the groove 21 of electrical socket 2.

In fig. 5 and fig., for being arranged in magnet 24, the 24', 24 in the jack body 5 of electrical socket 1 " recess and for being arranged in magnet 20, the 20', 20 for supporting in the strutting piece 17 of header body 13 " recess be differentiable, be essentially circular shape in the periphery of two elements 5 and 17.Magnet 24,24', 24 " and 20,20', 20 " locate in the mode attracted each other when plug 2 is inserted in electrical socket 1.

Fig. 7 is the schematic diagram of the electrical contact sheet 9 contacted with the electrical contact sheet 14 of plug 2 of the sleeve pipe 6 of electrical socket 1.

Each electrical contact 14 can have elastic region, makes it possible to guarantee to set up good electrical contact between the sheet and the sheet of electrical socket of plug.

Electrical socket 1 of the present utility model to be fixed on below the car body of vehicle from the sightless mode of rear view of vehicle, can flush with the rear defence guard shield of vehicle.

Therefore, electric connector of the present utility model comprises and is arranged to easily axially to be inserted into the plug 2 without the need to visual inspection in the aperture 7 of electrical socket 1.

Particularly, time below the car body that electrical socket 1 is fixed on motor vehicles (its breakdown trailer), the plug 2 of trailer is inserted in electrical socket 1 and can " blindly " be carried out, that is, user their head will not reach under-vehicle.

When there is not plug 2 in electrical socket 1, closure member 10 closes the aperture 7 of electrical socket 1.The peripheral exterior surface of closure member 10 is in its position flushed with aperture 7, thus the electrical contact 9 of protection setting in the annular wall in the aperture 7 of electrical socket 1.

Only when plug 2 inserts in electrical socket 1 by user, closure member 10 moves in axial translation mode, thus the electrical contact sheet 9 in the aperture 7 of electrical socket 1 is occurred automatically.Therefore, before insertion plug 2, over cap need not be removed from electrical socket 1.

According to the utility model, first by means of the header body 13 of plug 2 head 15 with the curved shape of the curved surface complementation of the closure member 10 of electrical socket 1, contributed to by mechanical guiding towards closure member 10 polarized plug body 13.

User holds the handle of plug 2, mobile plug 2, and without the need in under-vehicle viewing, until user feels that two complementary curved surfaces engage each other in the mode cooperatively interacted.

Then, the tongue piece 22 coordinated with groove 21 makes it possible to easily guarantee that the head 15 of header body 13 is correctly located towards aperture 7.

So be understandable that, user can promote the closure member 10 of plug body 13 against electrical socket 1 of plug 2.

Be installed into and move axially due to the head 15 of the end wall towards aperture 7 of plug body 13 with the closure member 10 of axial translation mode movement in aperture 7, back-moving spring 12 is compressed by the end wall towards aperture 7.

By the cylindrical annular surface of the complementation in the header body 13 of plug 2 and the aperture 7 of electrical socket 1, contribute to the head 15 of plug body 13 to be inserted in aperture 7.

The header body 13 of plug 2 be inserted in the process in the aperture 7 of electrical socket 1, the electrical contact sheet 9 be arranged on the sleeve pipe that formed by cylindrical annular surface contacts by rubbing with 14.

According to the utility model, the tongue piece 22 translationally slided in the groove 21 of complementary shape prevents header body 13 from moving in a rotative pattern in aperture 7.

When the strutting piece 17 of the header body 13 for supporting plug 2 is positioned near the lid 8 of electrical socket 1, be arranged in the magnet 24 of jack body 5 periphery of electrical socket 1,24' and 24 " attracts magnet 20, the 20' and 20 of the complimentary positions being arranged in strutting piece 17 periphery for supporting header body 13 ", thus formed and be used for plug and socket to compress each other and contribute to the system that attracts each other of the connection between them and magnetic couples.

Be understandable that, when user applies to be enough to the axial tension of extracting plug on the handle of plug, produce this machinery and couple.This axial tension is generally relatively low.

Replace or couple except magnetic attachment, suction can be provided to couple or buckle couples (snap-fastening coupling).

Due to the header body 13 for plug 2 strutting piece 17 thus find the lid 8 self abutting against electrical socket 1, therefore user can hold locking system pull tab 18 in the handle and header body 13 is locked in aperture 7 to make it enter its latched position from its unlocked position by starting.Connecting rod 19 and 19' are in progressive position subsequently, and they are projected in the sleeve pipe 6 of electrical socket 1.So prevent moving axially of the translation mode of plug 2 in electrical socket 1.

Be appreciated that locking system can be button or knurled wheel form.Suitable locking can be checked by interpolation touch and/or visual detector on locking system.

According to the utility model, electrical contact is distributed in around the periphery of two sleeve pipes, for electrical socket 1, be positioned at inside, and is positioned at outside for plug 2.Therefore, electrical connection of the present utility model is not by being inserted in the aperture of socket or plug realizing being usually difficult to pin that the mode of cooperatively interacting engages.The electrical contact sheet of plug 2 of the present utility model and electrical socket 1 extends on the axial direction inserting plug 2.The electrical contact of plug 2 slides along the electrical contact of electrical socket 1.At the end of header body 13 is inserted in aperture 7, by for electrical contact 14 choice for use of plug 2 has the sheet of elastic region and ensure that electrical contact sheet 9 suitably contacts with 14.

Certainly, the utility model is never limited to the description of one of above embodiment, under the prerequisite not exceeding the utility model scope, can modify to embodiment.

Claims

1. an electrical socket (1), comprising: aperture (7), described aperture is limited by annular inner wall and end wall, and corresponding plug (2) is designed to axially be inserted in described aperture, multiple electrical contact (9), is arranged in described aperture (7), and closure member (10), when there is no described plug (2) in described electrical socket (1), aperture (7) described in described closure element closes, the feature of described electrical socket is, described electrical contact (9) is the contact blade of the surface of the described annular inner wall being arranged on described aperture (7), described closure member (10) has curved surface, and the described closure member (10) with curved surface is installed into can be mobile in described aperture (7) in axial translation mode, back-moving spring (12) is provided with between the end wall and described closure member (10) of described aperture (7), with in the process inserted in described electrical socket (1) at described plug (2), resist the axial motion of the described end wall towards described aperture (7) of described closure member (10).

2. electrical socket according to claim 1 (1), is characterized in that, each in described electrical contact sheet (9) is inserted at described plug (2) on the axial direction in described electrical socket (1) and extends.

3. according to electrical socket according to claim 1 or claim 2 (1), it is characterized in that, each electrical contact sheet (9) is arranged to via crimp type terminal wiring.

4. an electric connector, it is characterized in that, described electric connector comprises electrical socket according to any one of claim 1 to 3 (1) and is arranged to the plug (2) that can axially be inserted in the described aperture (7) of described electrical socket (1).

5. electric connector according to claim 4, it is characterized in that, described plug (2) has the header body (13) limited by annular outer wall and head (15), described header body (13) is provided with multiple electrical contacts (14) of the sheet form of the surface of the described annular outer wall being arranged in described header body (13), and the described head (15) of described header body (13) has the curved surface with the curved surface complementation of the described closure member (10) of described electrical socket (1).

6. electric connector according to claim 5, is characterized in that, the described electrical contact (14) of described plug (2) is contact blade, and each described contact blade has elastic region.

7. electric connector according to claim 5, is characterized in that, described header body (13) and described aperture (7) have complementary cylindrical annular surface.

8. electric connector according to claim 7, it is characterized in that, provide bonding system, by being separately positioned on, described plug (2) is upper to be formed with the tongue piece (22) on described electrical socket (1) and groove (21) described bonding system.

9. the electric connector according to any one of claim 4 to 8, is characterized in that, described electrical socket (1) and described plug (2) are provided with the system that attracts each other utilizing magnet.

10. the electric connector according to any one of claim 4 to 8, it is characterized in that, provide the locking system with pull tab (18), for described plug (2) axial lock being fixed on the appropriate location in described electrical socket (1).

11. electric connectors according to claim 10, is characterized in that, described plug (2) has handle, and described pull tab (18) is arranged in described handle.

12. electric connectors according to any one of claim 4 to 8, it is characterized in that, described plug (2) is the plug for coupling device.

13. electric connectors according to claim 12, is characterized in that, described plug (2) is the plug for trailer coupling device.

14. electric connectors according to any one of claim 4 to 8, is characterized in that, the described curved surface of the described closure member of described socket is recessed into towards the inner side in the described aperture of described socket.