Float connector
Technical field
The utility model relates to a kind of coupling that is used for electric motor car or electric motorcar charging station, especially a kind of float connector.
Background technology
Visible in the market electric connector generally is made up of two electrical connector plug, sockets that can plug connection; Continuous development and progress along with electric motor car; The application of electric connector in electric motor car is increasingly extensive; Because the main energy sources of electric motor car is an electric energy, and be a process comparatively slowly to the charging of battery, therefore the energy supply to electric motor car generally is to lean on the replacing battery to realize.The electric motor car of replaceable battery at present generally all has battery case, and battery just is installed in the battery case, during replacing battery case integral body is taken off to put to charging station and charges; Generally on battery case, be installed with electric connector socket; Corresponding electrical connector plug is installed in the corresponding position of electric motor car and charging station; Battery case pegs graft to the electric motor car power supply through the electrical connector plug in its electric connector socket and the electric motor car in use, accomplishes charging through the electrical connector plug grafting corresponding with charging station of its electric connector socket during charging.
In charging station or electric motor car; When pegging graft between the electric connector socket on the battery case and the corresponding electrical connector plug, the positioning accuracy between the two is difficult to guarantee, and often has deviation; Therefore the situation not in place that plugs together between corresponding plug and the socket happens occasionally; If to inserting, then very likely damage the plug component of connector by force, cause the destruction that to repair; In addition; In charging station or electric motor car; Electric connector socket on the battery case produce relative displacement with the connection between the corresponding electrical connector plug is possible because of vibration or other uncertain factor; Because electrical connector plug, socket are fixedly arranged on the different objects, so the relative displacement between the two or relative displacement trend very likely causes the grafting between electrical connector plug and the socket loosening, even to the injury of electrical connector plug, damaging property of socket.
In order to address the above problem; The method that adopts at present mostly is that one in electrical connector plug and the socket is arranged on the relocation mechanism; Compensate the displacement of another one through one the activity on the relocation mechanism of being arranged at; Thereby make the interlock of electrical connector plug and socket, avoid the injury that causes because of relative displacement between the two; The structure of existing relocation mechanism is mostly as shown in Figure 1; Comprise mounting panel 1; Have penetrating unsteady hole 2 on the said mounting panel 1 and in its unsteady hole 2, be provided with and be used for fixing the installation sleeve 3 that electrical connector plug or socket are installed; Said installation sleeve has sleeve 4 and back-up ring 5; Said sleeve 4 is the tubular of an end opening, and the sealing end of sleeve 4 has the retaining edge of turning up, and the openend of said sleeve 4 passes unsteady hole corresponding on the said mounting panel from bottom to up and keeps off the edge through turning up of its sealing end and cooperates with the respective panels face block of mounting panel 1; Said back-up ring 5 is sheathed on that said sleeve 4 passes an end in the corresponding hole of floating and the turning up of openend through sleeve is riveted on the sleeve 4; Thereby make sleeve 4 cooperate with mounting panel 1 anticreep, the external diameter of sleeve 4 can be realized the automatic capturing of electrical connector plug and socket through the relative motion between installation sleeve 3 and the mounting panel 1 less than the aperture in the unsteady hole of correspondence when electrical connector plug and socket are pegged graft; Can realize the interlock of electrical connector plug and socket after electrical connector plug and socket are pegged graft through the relative motion between installation sleeve 3 and the mounting panel 1, cushion the relative displacement between the two.
Centering when though above-mentioned relocation mechanism can be realized the electrical connector plug grafting to a certain extent and the interlock after the grafting; But because it can only go up activity at two dimensional surface (promptly parallel with its mounting panel plane); Can not be movable on the direction vertical with mounting panel; Its degree of freedom has certain limitation; And the vibration that electric motor car produces battery case in the process of moving is to have on ever-changing, all directions, and therefore present relocation mechanism can not satisfy the shockproof requirements of electric motor car because the degree of freedom is very few; Present in addition relocation mechanism does not have the function of self-return, can cause interface that deflection takes place under the effect of some external force, is occurring bigger deviation when inserting.
Summary of the invention
The purpose of the utility model is to provide a kind of float connector, to solve existing battery case and the flimsy problem of the connector between the battery compartment that is used for electric motor car.
In order to address the above problem; The float connector of the utility model adopts following technical scheme: float connector; Comprise housing; Said housing comprises base and the installation panel of contact is installed; Said base is provided with lead parallel with the grafting direction of said contact more than three, and the lower end of each lead is fixedly set on the said base, and said installation panel floats and to be assemblied on the said base and to have the unsteady hole that is sheathed on respectively on the corresponding lead; The outer peripheral face of each lead all with the hole wall matched in clearance in the corresponding hole of floating and vertically activity-oriented be equipped with movable head; The upper end of said each movable head all has taper or the spherical that cooperates with corresponding unsteady hole centering, and said supporting surface is slidingly matched with the end opening edge in the corresponding hole of floating, and the lower end of each movable head all and between the base is top-loaded with resilient supporting unit.
Between said installation panel and the base along the distance of lead on axially when maximum; The upper edge in the corresponding hole of floating is all protruded in the upper end of each lead; Said stopping means is assemblied in the limiting gasket on each lead for corresponding, and the upper and lower surface of said each limiting gasket cooperates with the upper end of lead, the upper surface block of installation panel respectively.
Said stopping means is U-shaped or the spacing card of C shape that is arranged between said installation panel and the base.
Described resilient supporting unit is the cylindrical spring that is sheathed on the corresponding lead, and the bottom of said movable head has the guide section that cooperates with said cylindrical spring guiding.
Described contact fixedly is assemblied on the said installation panel through an insulating press boards.
Said float connector is a pin connector, has on the said housing to be used for locating the locating shaft that cooperates with the respective socket connector, and said locating shaft is conical away from an end of said housing.
Because the float connector of the utility model floats described installation panel through described lead, resilient supporting unit, movable head and is assemblied on the said base; And said each lead all is arranged between the hole wall in the corresponding hole of floating of the corresponding unsteady Kong Bingyu of installation panel has the gap; The upper end of said movable head has the supporting surface that cooperates along the centering of sliding with the end opening in the corresponding hole of floating; Therefore the installation panel of the float connector of the utility model can be according to suffered external force; Respectively with the vertical plane of said lead in along all directions translation or appropriateness rotation (size of rotational angle mainly decides through the gap between the hole wall in lead and corresponding unsteady hole); Perhaps up and down in the corresponding flat parallel with said lead; Thereby the buffering vibration of electric motor car in the process of going, prevent corresponding connector in the process of electric vehicle running owing to shake and damage; In addition; Because said movable head is used for the cooperation place with the corresponding hole of floating; The supporting surface that is movable head be taper or spherical and with the end opening in the corresponding hole of floating along being slidingly matched; Therefore after external force disappeared, movable head can automatically reset and cooperate with corresponding unsteady hole centering, thereby had more large deviation when avoiding next installation battery case; Having solved existing relocation mechanism can't automatically reset problem, thereby avoids when changing battery case, inserting corresponding connector bad; The float connector of the utility model has solved existing battery case and the flimsy problem of the connector between the battery compartment that is used for electric motor car on the whole.
Description of drawings
The structural representation of this existing relocation mechanism of Fig. 1;
The structural representation of the embodiment 1 of the float connector of Fig. 2 the utility model;
Fig. 3 is the structural representation of plug among Fig. 2;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the decomposing schematic representation of Fig. 3;
Fig. 6 is the structural representation of socket among Fig. 2;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the decomposing schematic representation of Fig. 6;
Fig. 9 is the structural representation of the floating installation among the embodiment 1 of float connector of the utility model;
Figure 10 is the structural representation of embodiment 2 of the float connector of the utility model.
Embodiment
The embodiment 1 of the float connector of the utility model shown in Fig. 2-9, has plug 11 and and socket 12.
Socket 12 is used for fixing in the battery compartment that is installed on electric motor car; Its structure is shown in Fig. 6-8; Have Socket casing, Socket casing has base 13 and installation panel 14, fixedly is equipped with contact through socket insulating press boards 31 on the installation panel 14; Contact has ten; Be respectively two and be used for discharging and recharging contact 15, being used for signal contacting piece 16 that is connected with control device and the grounding component 17 that is used for ground connection with the both positive and negative polarity of battery is connected, wherein signal contacting piece 16 has seven, is respectively 24V positive terminal, 24V negative terminal, CAN positive terminal, CAN negative terminal, CAN shield terminal, connection reliable detection terminal and heating and enables terminal.24V positive and negative electrode terminal is used for being connected with control unit in the battery of electric vehicle storehouse as the power supply of control unit, and CAN positive and negative electrode terminal is used for communicating by letter with car load BMS; The CAN shield terminal is used for external ground, improves anti-electromagnetic interference capability; Connect and confirm when the reliable detection terminal is used to charge whether the battery major loop connects reliably; Heating enables terminal and is used for car load battery case is sent heating signal.The extension elongation of grounding component 17 is greater than the extension elongation that discharges and recharges contact 15; Discharge and recharge the extension elongation of the extension elongation of contact 15 greater than signal contacting piece 16; When promptly plugging together with plug 11; The opportunity of grounding component 17 contact conductings is early than discharging and recharging contact 15, and the contact conducting opportunity that discharges and recharges contact 15 is early than signal contacting piece 16, reversed in order when unpluging; Installation panel 14 floats and is assemblied in base 13 tops; Specifically; Be to locate upright four leads 18 that are provided with in four jiaos on the base 13; The lower end of lead 18 has thread segment; Thereby the external diameter of thread segment has corresponding pilot hole less than forming a step surface between other part of the external diameter of lead 18 other parts and lead 18 on the base 13, the thread segment of lead 18 pass downwards on the base 13 pilot hole and through of a baffle ring 19 blocks cooperation of its step surface with the upper end that is arranged at corresponding pilot hole; Lead 18 is fixed on the base through a locking nut 20; Four lead 18 parallel interval settings and all be arranged with resilient supporting unit 21 and movable head 22 from bottom to up successively, resilient supporting unit 21 adopts and is mounted on the cylindrical spring between movable head 22 and the base 13, and the upper end of movable head 22 has the supporting surface of taper and has guide section in the bottom; Guide section is plugged in the endoporus of cylindrical spring and with the endoporus guiding of cylindrical spring and cooperates, and movable head is assemblied on the lead with the vertical activity-oriented of the concentricity line of corresponding lead; Have the unsteady hole 23 corresponding on the installation panel 14 with lead, each lead all be arranged in the corresponding unsteady hole and and the hole wall in unsteady hole between have the free gap; The supporting surface that is assemblied in the movable head on each lead cooperates along the centering of sliding with the end opening in the corresponding hole of floating; Installation panel 14 floats through lead 18, resilient supporting unit 21 and movable head 22 and is assemblied on the base 13, and the upper end of each lead 18 has nut 24 and its nut 24 separately all cooperates with upper surface (the upper edge place in the corresponding hole of the floating) stopping of installation panel 14 through limiting gasket 25; Also being provided with two on the Socket casing is used for when pegging graft with plug 11, locating the positioning sleeve 26 that cooperates with plug.
Plug 11 is for fixing on the battery case; Its structure has tabular plug casing 27 shown in Fig. 3-5, be equipped with on the plug casing 27 be used for socket 12 on the contact of the corresponding grafting of contact; Contact on the plug 11 is fixed on the plug casing 27 through a plug insulating press boards 28; Also fixedly be equipped with two locating shafts 29 on the plug casing 27, locating shaft 29 is taper away from an end of plug casing, is for the ease of being plugged in the positioning sleeve 26 on the Socket casing like this.
The float connector of present embodiment can at first be fixed in said base the relevant position of electric motor car or charging station in use, and plug is fixed on the corresponding battery case; When needs are changed battery case; If the relative position between electrical connector plug and the socket has deviation; Said installation panel can move and drive corresponding contact automatic capturing under the effect of corresponding external force; Realize and the grafting of the said plug of electric connector, avoid pegging graft not in place and the generation of the problem of grafting damage electric connector by force; After battery case installation in position, electrical connector plug and socket realization grafting; Said installation panel floats through it and cushions the vibrations that produce in the electric motor car running; Realize the interlock between electrical connector plug and the socket, thereby guarantee that electrical connector plug and socket can not damage because of vibrations; Because all being arranged between the hole wall in the corresponding hole of floating of the corresponding unsteady Kong Bingyu of installation panel, said each lead has the gap; The upper end of said movable head has the taper or the spherical of sliding and feeling relieved and cooperate with the lower surface of said installation panel; Therefore the installation panel of the unsteady electric connector of the utility model can be according to suffered external force; Respectively with the vertical plane of said lead in along all directions translation or appropriateness rotation (size of rotational angle mainly decides through the gap between the hole wall in lead and corresponding unsteady hole), perhaps up and down in the corresponding flat parallel with said lead; Especially because described supporting surface is a taper seat; Therefore installation panel can also with the parallel corresponding flat of said lead in appropriateness upset (size of flip angle mainly decides through the gap between the hole wall in lead and corresponding unsteady hole); Adopt the installed surface of taper also can realize automatically reseting of installation panel in addition, the displacement that can not cause installation panel because of preceding once mounting battery case and produce bigger deviation when making next time that battery case is installed; The needs of electric automobile installation battery case have been satisfied.
The embodiment 2 of the float connector of the utility model; Shown in figure 10; The difference of present embodiment and embodiment 1 only is that the upper end of each lead 18 all omits described limiting gasket; Position limiting structure between installation panel 14 and the base 13 is the spacing card 30 of U-shaped (in other embodiments, can also be C shape certainly) that is arranged between said installation panel and the base.
Among above-mentioned each embodiment, described supporting surface can also be the sphere that cooperates with the lower surface slip centering of installation panel; Described resilient supporting unit can also be leaf spring; Described lead can also adopt stud and have more than three all can; When adopting like the stopping means among the embodiment 2 (U, C shape card), the length of lead should satisfy, and the vertical distance between installation panel and base is positioned on the end opening edge in the corresponding hole of floating when maximum; Can also be set to have said base and the unsteady form that is assemblied in the installation panel combination on the base by plug casing in addition.