Blind-insertion type vibration isolation connector of electric automobile power batteryTechnical field
The present invention relates to a kind of power battery box of electric vehicle and connect isolation mounting, particularly relate to one and be applicable to electricityThe blindmate formula vibration isolation adapter that electrical automobile power battery box quick-replaceable uses, belongs to electric automobile power battery dressPut technical field
Background technology
At present, extensively applying blindmate connector in the connection with rack of the drawer type case back plate, blindmate formula is evenConnect device and can allow bigger insertion error, it is only necessary to rough alignment can be properly inserted and connect.Work as drawerWhen formula cabinet is inserted into rack, blindmate connector pushes in the lump with cabinet, and realizes connecting simultaneously, it is not necessary toIndividually grafting operation, vice versa.Condition is used in order to adapt to the vibrations of battery case quick change adapter connector requirement, existingHaving some with floating and the adapter appearance of vibration isolation function.But most this kind of adapters in XY direction withoutMethod resets, and (assuming that adapter is installed from bottom to top, vehicle traveling direction is X, and vehicle right and left direction is Y, evenConnecing device direction of insertion is Z, and initial point is adapter Positive Poles center), even and if having small part to design XY directionThe quick change adapter connector of spring reset ability is also easily subject to the interference of power cable and signal cable, and adapter floatsPosition is disturbed by cable, it is impossible to keep preferable reset form.
Summary of the invention
The invention provides a kind of Blind-insertion type vibration isolation connector of electric automobile power battery, at connector male head andAfter female is unclamped, a side of floating may return to initial position, is not easily susceptible to the impact of cable flexural force.
The technical solution adopted for the present invention to solve the technical problems is: a kind of power battery box of electric vehicle blindmateFormula vibration isolation adapter, it include fixed plate, stopping means, pretension antirattle spring, resetting means, water-tight device,Float plate, locating guide device, connector female end, connector male head, connector male head is arranged in float plate,Connector female end is arranged on power battery box, and fixed plate is fixed on vehicle body, and water-tight device is located in float plate,Have locating guide device between float plate and power battery box, float plate and fixed plate by pretension antirattle spring,Stopping means and resetting means floating connection.After connector male head and female are unclamped, pretension antirattle spring will be floatedPlate uses large force to be pressed on resetting means, and the perturbed force of float plate is carried by power cable relative to pretension antirattle springThe pressure of confession is negligible, and thus float plate can resist the perturbed force holding reset form of power cable.
Further, stopping means includes angle limited post, the spacing sliding seat in the angle being enclosed within the limited post of angle, is enclosed withinAngle spacing sliding spring seat on the spacing sliding seat in angle and limit angles spacing sliding spring seat spacing slip at angleThe spring collar of the sliding distance on seat, is provided with pretension antirattle spring on the spacing sliding spring seat of angle, floatingDynamic plate is provided with the circular hole coordinating angle limited post to insert；
Further, limited post bottom in angle is a platform card；
Further, angle limited post is set to two, and diagonal angle is arranged in fixed plate；
Further, resetting means includes reset post and the reset sliding spring seat being enclosed within reset post, is resettingPretension antirattle spring is installed on sliding spring seat, float plate is provided with the circular hole coordinating reset post to insert；
Further, reset post bottom is one and the platform card of smooth conical surface connection；
Further, reset post is set to two, and diagonal angle is arranged in fixed plate；
Further, water-tight device includes that bucker, bucker are provided with water joint and waterproof aviation plug；
Further, locating guide device includes the guide finger connected with float plate and is arranged on connector female endOn guiding guide.
The present invention has the advantages that
Adapter can prevent automobile vibration from causing adapter to disengage and the changing of the relative positions after having connected；Adapter separates againAfter, float plate can reply initial position, can keep preferable reset form, expand adapter to site errorCompatibility；Good water-proof effect；Blind plugging function is realized in the range of allowing position deviation；There is certain vibration isolation energyPower；Simple in construction, part is easy to processing and manufacturing, with low cost.
Accompanying drawing explanation
Fig. 1 is adapter primary structure figure；
Fig. 2 is water-proof structure of connector schematic diagram；
Fig. 3 is the spacing schematic diagram of float plate；
Fig. 4 is that adapter inserts schematic diagram；
Fig. 5 is the spacing principle schematic in angle.
In figure, labelling is as follows: 1-fixed plate；2-water joint；3-waterproof aviation plug；4-float plate；5-guide finger；6-connector female end；7-connector male head；8-reset post；9-angle limited post；10-pretension antirattle spring；11-Bucker；12-power cable terminal；13-sealing strip；14-power cable；15-spring collar；16-angle is spacingSliding spring seat；The spacing sliding seat in 17-angle；18-reset sliding spring seat；19-vehicle body；20-fixes spring base；21-power battery box.
Detailed description of the invention
The preferred embodiment of the present invention is described below in conjunction with the accompanying drawings.
Shown in Fig. 1-4, connector female end 6 is arranged on power battery box 21, and connector male head 7 is arranged onIn float plate 4, between float plate 4 and vehicle body 19, by pretension antirattle spring 10, float plate 4 is applied pressure,Make float plate 4 compress to power battery box 21 direction, be reliably connected state in order to keep adapter.
Locating guide device is had between float plate 4 and power battery box 21, floating between float plate 4 and vehicle body 19It is dynamically connected and there is stopping means and limit the scope floated.The locating guide device of adapter includes being arranged on connectionThe both sides of device male 7 and and the guide finger 5 of float plate 4 connection, and be arranged on connector female end 6 both sides phaseAnswer the guiding guide of position, the positioning and guiding function that they are responsible in insertion process；Stopping means includes that angle is spacingPost 9, the spacing sliding seat in angle 17, angle spacing sliding spring seat 16 and spring collar 15；Adapter also hasResetting means, resetting means includes reset post 8 and the reset sliding spring seat 18 being enclosed within reset post 8；FloatingDynamic plate 4 surrounding is respectively equipped with two reset post 8 and two angle limited posts 9, they fix with fixed plate 1 andEach diagonal angle is arranged.Pretension antirattle spring 10 be arranged on reset post 8 with on angle limited post 9, they one end withFloat plate 4 is fixed, and the other end is fixed with fixed plate 1.
As in figure 2 it is shown, bucker 11 is fixed in float plate 4, installs and at gap, have sealing strip 13 enhancing anti-Water effect, it is internal that all conducting elements of connector such as power cable terminal 12 grade is all arranged on bucker 11,Power cable 14 and signal cable are connected by water joint 2 and waterproof aviation plug 3 respectively, thus reach waterproofPurpose.
As shown in Figure 4, when adapter starts to connect, first it is tapered portion and the guiding guide of guide finger 5Contact, is entered the positioning section of guide finger 5 after correcting.After entering positioning section, connector male head 7 and adapterFemale 6 is the most accurately directed at, and may be inserted into.In adapter insertion process, pretension antirattle spring 10 is pressedContracting, after the fully-inserted connector female end of connector male head 76, pretension antirattle spring 10 entrance is pre-designedWorking depth, to guarantee rational pretightning force, now float plate 4 does not has the platform with reset post 8 bottomThe dish portion contact of the spacing sliding seat of card and angle 17, float plate 4 still has certain mobile space, Ke YiqiTo shockproof effect.
As shown in Figure 3 and Figure 4, reset post 8 is through a circular hole in float plate 4, and the diameter of circular hole is with multipleThe diameter that position post 8 small diameter part divides determines the domain of walker in x and y direction of float plate 4, reset post 8Bottom is one and the platform card of smooth conical surface connection, and angle limited post 9 bottom is a platform card,When adapter disconnects, connector male head 7 is extracted from connector female end 6, when locating guide device takes offWhen opening, pretension antirattle spring 10 is pressed under float plate 4 being continued, the float plate 4 smooth cone by reset post 8Face resets, and float plate 4 is pressed on the platform dish of reset post 8 by final pretension antirattle spring 10 with large forceOn face, owing to being cased with the spacing sliding seat in angle 17 on angle limited post 9, float plate 4 by pretension antirattle spring 10 withLarge force is pressed in the dish portion of the spacing sliding seat in angle 17, and is pressed in angle limit by the spacing sliding seat in angle 17In the platform card of position post 9, thus keep the reset form of float plate, resist power cable and signal cablePerturbed force.
As it is shown in figure 5, be cased with a spacing sliding seat in angle 17 on angle limited post 9, it can be at angle limited post 9Upper slip, the spacing sliding seat in angle 17 is cased with an angle spacing sliding spring seat 16, it can at angle spacing cunningSliding on dynamic seat 17, but its sliding space is limited by spring collar 15, float plate 4 is spacing at angleFloating between sliding seat 17 and angle spacing sliding spring seat 16, the dish portion of the spacing sliding seat in angle 17 is spacing with angleThe floating distance of the bottom of spring base 16 determines float plate 4 around X-axis and the rotational angle range of Z axis.