CN109921235B - Traveling connection device for vehicle and vehicle - Google Patents
Traveling connection device for vehicle and vehicle Download PDFInfo
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- CN109921235B CN109921235B CN201811527242.0A CN201811527242A CN109921235B CN 109921235 B CN109921235 B CN 109921235B CN 201811527242 A CN201811527242 A CN 201811527242A CN 109921235 B CN109921235 B CN 109921235B
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- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 238000007667 floating Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 25
- 230000009182 swimming Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
The invention belongs to the technical field of vehicles and aims to solve the problem that the plugging and replacing efficiency of a connector for a power battery and a vehicle body interface in the conventional electric vehicle is low. Therefore, the invention provides a moving connecting device for a vehicle and the vehicle, wherein the vehicle comprises a vehicle body and a battery pack, the moving connecting device comprises a first plug-in component and a second plug-in component, the first plug-in component comprises a fixed body and a first plug-in mechanism arranged on the fixed body, the fixed body is arranged on the battery pack, the second plug-in component comprises a first moving mechanism, a first moving body, a second moving mechanism, a second moving body and a second plug-in mechanism, the first moving body is arranged on the vehicle body through the first moving mechanism, the second moving body is arranged on the first moving body through the second moving mechanism, and the second plug-in mechanism is arranged on the second moving body. The quick plugging device facilitates quick plugging of the first plugging mechanism and the second plugging mechanism, and improves the replacing speed, thereby improving the replacing efficiency of the movable connecting device.
Description
Technical Field
The invention belongs to the technical field of vehicles, and particularly provides a traveling connecting device for a vehicle and the vehicle.
Background
A high-voltage electrical connection interface is generally arranged at the joint of a battery pack and a vehicle body of the electric vehicle in a traditional charging mode, and is used for outputting electric energy of the battery pack to a vehicle body motor and charging and discharging the battery pack; the low-voltage electrical interface is used for low-voltage power supply and communication between a battery pack BMS control module unit and a complete vehicle VCU functional control module, and the high-voltage and low-voltage electrical interface is generally provided with a locking device and can be plugged and unplugged only through manual operation, so that the plugging and unplugging efficiency and the replacement efficiency are greatly influenced.
Accordingly, there is a need in the art for a new nomadic connection device for a vehicle and corresponding vehicle to address the problems discussed above.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, that is, to solve the problem of low plugging and unplugging efficiency and low replacement efficiency of the connector for the power battery and the vehicle body interface in the existing electric vehicle, the invention provides a moving connecting device for a vehicle, the vehicle comprises a vehicle body and a battery pack, the moving connecting device comprises a first plugging component and a second plugging component, the first plugging component comprises a fixed body and a first plugging mechanism arranged on the fixed body, the fixed body is mounted on the battery pack, the second plugging component comprises a first moving mechanism, a first moving body, a second moving mechanism, a second moving body and a second plugging mechanism, the first moving body is mounted on the vehicle body through the first moving mechanism, the second moving body is mounted on the first moving body through the second moving mechanism, the second plugging mechanism is arranged on the second moving body, the first moving mechanism comprises a limiting body and an elastic body, the limiting body comprises a first boss, a second boss and a connecting structure connected between the first boss and the second boss, the connecting structure is arranged in the through hole structure, the first boss and the second boss are respectively arranged on two sides of the first moving body to limit the first moving body to move along the axis direction of the through hole structure, the elastic body is arranged in the through hole structure and located between the first moving body and the connecting structure, and the elastic body is arranged to allow the first moving body to move in the direction perpendicular to the axis direction of the through hole structure.
In the preferable technical scheme of the moving connecting device, one side of the first moving body is provided with a groove structure connected with the through hole structure, the second boss is positioned in the groove structure, and a gap is formed between the second boss and the inner side wall of the groove structure.
In the preferred technical scheme of the moving connecting device, the groove structure is a circular groove, the second boss is a circular boss, and the diameter of the second boss is smaller than that of the groove structure.
In the preferable technical scheme of the floating connecting device, the connecting structure comprises a first connecting part and a second connecting part which are connected, the first connecting part and the first boss are arranged into a whole, and the second connecting part and the second boss are arranged into a whole.
In the above-mentioned preferred technical scheme of connecting device that moves about, first connecting portion are first sleeve, and the second connecting portion are the second sleeve, and first sleeve and second sleeve are riveted each other.
In the above preferred technical solution of the traveling connection device, the first connection portion is a first sleeve, the second connection portion is a second sleeve, and the first sleeve and the second sleeve are inserted into each other.
In a preferred technical solution of the above moving connection device, the second moving mechanism includes a fixed rod and a spring sleeved on the fixed rod, the fixed rod is provided with a third boss, the second moving body is provided with a mounting hole, one end of the fixed rod is fixed with the first moving body, the other end of the fixed rod passes through the mounting hole, the third boss is arranged on one side of the second moving body far away from the first moving body, and the spring is arranged between the first moving body and the second moving body.
In the preferable technical scheme of the floating connection device, the third boss is a cylindrical pin boss, and the diameter of the third boss is larger than that of the mounting hole.
In a preferred embodiment of the above traveling connection device, the first traveling body is provided with an accommodating structure, at least a part of the second plug-in mechanism is disposed in the accommodating structure, and a gap is provided between an inner side wall of the accommodating structure and the second plug-in mechanism.
In the preferable technical scheme of the floating connection device, the first plug mechanism comprises a first shell arranged on the fixed body, and a high-voltage PIN, a low-voltage PIN and a grounding PIN which are arranged in the first shell, the second plug mechanism comprises a second shell arranged on the second floating body, and a high-voltage outgoing line, a low-voltage outgoing line and a grounding outgoing line which are arranged in the second shell, wherein in the assembled state, the high-voltage outgoing line is connected with the high-voltage PIN, the low-voltage outgoing line is connected with the low-voltage PIN, and the grounding outgoing line is connected with the grounding PIN.
In the preferred technical scheme of the floating connection device, the low-voltage PIN comprises a plurality of PINs, and the heights of the PINs are not completely the same.
In a preferred embodiment of the above traveling connection device, a first guide member is provided in the first housing, a second guide member is provided in the second housing, and the first guide member and the second guide member are in guiding engagement.
In a preferred embodiment of the above traveling connection device, the first guide member is integrally provided with the first housing, and the second guide member is integrally provided with the second housing.
In a preferred embodiment of the above traveling connection device, the first guide member is a guide sleeve, and the second guide member is a guide post that is guided and fitted to the guide sleeve.
In the preferable technical scheme of the floating connecting device, one side of the guide sleeve, which faces the guide post, is provided with a fillet/chamfer angle, and one side of the guide post, which faces the guide sleeve, is provided with a conical structure.
In a preferred embodiment of the free connection device, the fixed body is provided with a first sealing element, which can isolate the first plug-in connection and the second plug-in connection from the outside when the device is assembled.
In a preferred embodiment of the above described floating connection, the first plug-in connection is provided with a second sealing element, which, when assembled, can isolate the first plug-in connection and the second plug-in connection from the outside.
In another aspect, the invention also provides a vehicle comprising the floating connection device.
The technical scheme of the present invention includes that the first and second moving mechanisms are provided, so that when the first and second plug assemblies move in opposite directions, the first and second plug mechanisms can cooperate to achieve self-correcting plugging of the first and second plug mechanisms, and in addition, the first and second bosses can achieve axial position limitation of the first moving body, and the first moving body can only move in radial direction through the elastic body, so as to ensure the stability of plugging, thereby facilitating quick and reliable plugging and unplugging of the first and second plug mechanisms, and simultaneously improving the replacement speed, thereby improving the replacement efficiency of the moving connection device.
Further, through setting up groove structure for groove structure and second boss cooperation are in order to make first mobile body move about at the certain limit, avoid the too big accurate grafting that influences first grafting mechanism and second grafting mechanism of amount of fluctuation, ensure going on smoothly of grafting process.
Furthermore, through the structure that sets up dead lever and spring for the second mobile body can be for first mobile body vertical movement, namely make second grafting mechanism can three-dimensionally move in the space, make and have higher flexibility ratio when first grafting mechanism and second grafting mechanism are pegged graft, thereby realize the quick plug of first grafting mechanism and second grafting mechanism, further improved the change speed of moving about connecting device, improved its repacking efficiency.
Furthermore, a gap is formed between the inner side wall of the accommodating structure on the first moving body and the second plugging mechanism, so that the second plugging mechanism can have a certain angle of inclination in the vertical direction, namely, the second plugging mechanism can move three-dimensionally in the space and can also have a certain angle of offset in the vertical direction, and therefore, the first plugging mechanism and the second plugging mechanism have very high flexibility when being plugged, the first plugging mechanism and the second plugging mechanism can be plugged quickly, the replacement speed of the moving connecting device is further increased, and the replacement efficiency of the moving connecting device is improved.
Furthermore, a plurality of PINs of the low-voltage PIN PINs are set to be of structures with different heights, so that the movable connecting device has an HVIL high-voltage interlocking function, and the matching state of the movable connecting device can be detected.
Furthermore, through the matching of the first guide member and the second guide member, the first plug-in component and the second plug-in component can be automatically guided during butt joint, and the first moving mechanism and the second moving mechanism are matched to realize the self-correction deviation floating function, namely, the first plug-in mechanism and the second plug-in mechanism are accurately butted on the basis of quick plugging, the plugging precision and the plugging speed are improved, the replacing efficiency is further improved, and the service life of the moving connecting device is prolonged.
Furthermore, the first plug-in mechanism and the second plug-in mechanism which are plugged can be isolated from the outside through the first sealing component, so that the situation that impurities such as water dip the inside of the first plug-in mechanism and the inside of the second plug-in mechanism is avoided, an electrical accident is avoided, the safety of the moving connecting device is improved, and the function of the moving connecting device cannot be influenced.
Furthermore, the first plugging mechanism and the second plugging mechanism which are plugged can be isolated from the outside for the second time through the second sealing component, so that the situation that impurities such as water dip the inside of the first plugging mechanism and the inside of the second plugging mechanism is avoided, an electrical accident is avoided, the safety of the moving connecting device is improved, and the function of the moving connecting device cannot be influenced.
Scheme 1: a movable connecting device for a vehicle, the vehicle comprises a vehicle body and a battery pack, and is characterized in that the movable connecting device comprises a first plug-in component and a second plug-in component, the first plug-in component comprises a fixed body and a first plug-in mechanism arranged on the fixed body, the fixed body is arranged on the battery pack, the second plug-in component comprises a first movable mechanism, a first movable body, a second movable mechanism, a second movable body and a second plug-in mechanism, the first movable body is arranged on the vehicle body through the first movable mechanism, the second movable body is arranged on the first movable body through the second movable mechanism, the second plug-in mechanism is arranged on the second movable body,
the first moving mechanism comprises a limiting body and an elastic body, a through hole structure is arranged on the first moving body, the limiting body is connected with the vehicle body, the limiting body comprises a first boss, a second boss and a connecting structure connected between the first boss and the second boss, the connecting structure is arranged in the through hole structure, the first boss and the second boss are respectively arranged on two sides of the first moving body so as to limit the first moving body to move along the axis direction of the through hole structure, the elastic body is arranged in the through hole structure and located between the first moving body and the connecting structure, and the elastic body is arranged to allow the first moving body to move in the direction perpendicular to the axis of the through hole structure.
Scheme 2: the floating connection device according to claim 1, wherein a groove structure connected to the through hole structure is provided on one side of the first floating body, the second boss is located in the groove structure, and a gap is provided between the second boss and the inner side wall of the groove structure.
Scheme 3: the floating connection device is characterized in that the groove structure is a circular groove, the second boss is a circular boss, and the diameter of the second boss is smaller than that of the groove structure.
Scheme 4: the swimming connecting device according to claim 1, wherein the connecting structure comprises a first connecting part and a second connecting part which are connected, the first connecting part and the first boss are integrally arranged, and the second connecting part and the second boss are integrally arranged.
Scheme 5: the floating connection device according to claim 4, wherein said first connection part is a first sleeve, said second connection part is a second sleeve, and said first sleeve and said second sleeve are riveted to each other.
Scheme 6: the floating connection device according to claim 4, wherein the first connection part is a first sleeve, the second connection part is a second sleeve, and the first sleeve and the second sleeve are inserted into each other.
Scheme 7: the movable connecting device according to claim 1, wherein the second movable mechanism includes a fixed rod and a spring sleeved on the fixed rod, the fixed rod is provided with a third boss, the second movable body is provided with a mounting hole, one end of the fixed rod is fixed to the first movable body, the other end of the fixed rod passes through the mounting hole, the third boss is arranged on one side of the second movable body far away from the first movable body, and the spring is arranged between the first movable body and the second movable body.
Scheme 8: the floating connection device of claim 7, wherein the third boss is a cylindrical pin boss, and the diameter of the third boss is larger than that of the mounting hole.
Scheme 9: the floating connection device according to claim 7, wherein a receiving structure is provided on the first floating body, at least a part of the second plug-in mechanism is disposed in the receiving structure, and a gap is provided between an inner side wall of the receiving structure and the second plug-in mechanism.
Scheme 10: the movable connection device according to claim 1, wherein the first plug mechanism includes a first housing disposed on the fixed body, and a high-voltage PIN, a low-voltage PIN, and a ground PIN disposed in the first housing, the second plug mechanism includes a second housing disposed on the second movable body, and a high-voltage outgoing line, a low-voltage outgoing line, and a ground outgoing line disposed in the second housing, in an assembled state, the high-voltage outgoing line is connected to the high-voltage PIN, the low-voltage outgoing line is connected to the low-voltage PIN, and the ground outgoing line is connected to the ground PIN.
Scheme 11: the floating connection device of claim 10 wherein said low voltage PIN comprises a plurality of PINs, said plurality of PINs not being all the same height.
Scheme 12: the swimming connection device according to claim 10, wherein a first guide member is arranged in the first housing, a second guide member is arranged in the second housing, and the first guide member is in guiding fit with the second guide member.
Scheme 13: the nomadic connection device of claim 12, wherein the first guide member is integrally formed with the first housing and the second guide member is integrally formed with the second housing.
Scheme 14: the traveling connection device according to claim 12, wherein the first guide member is a guide sleeve, and the second guide member is a guide post that is guided to engage with the guide sleeve.
Scheme 15: the floating connection device according to claim 14, wherein a rounded/beveled corner is provided on one side of the guide sleeve facing the guide post, and a tapered structure is provided on one side of the guide post facing the guide sleeve.
Scheme 16: a swimming joint arrangement according to any one of claims 1-15, wherein the stationary body is provided with a first sealing means, which in the assembled condition is able to isolate the first and second plugging means from the outside.
Scheme 17: the floating connection device according to claim 16, characterized in that a second sealing element is provided on the first plug-in connection, which second sealing element can isolate the first plug-in connection and the second plug-in connection from the outside when assembled.
Scheme 18: a vehicle comprising the nomadic connection device of any of claims 1-17.
Drawings
Preferred embodiments of the present invention are described below in conjunction with an electric vehicle with reference to the attached drawings, wherein:
FIG. 1 is a schematic illustration of the mating configuration of the plug portion and the receptacle portion of the present invention (unplugged);
FIG. 2 is a schematic view of the construction of the plug portion of the present invention;
FIG. 3 is a partial cross-sectional schematic view one of the plug portion of the present invention;
FIG. 4 is a schematic illustration in partial cross-section of the plug portion of the present invention;
FIG. 5 is a schematic view of the construction of the receptacle portion of the present invention;
in the drawings:
1. a fixed body; 2. a first plugging mechanism; 21. a first housing; 22. a high voltage PIN needle; 23. a low voltage PIN PIN; 24. a grounding PIN PIN; 25. a high voltage PIN pinhole; 3. a first traveling mechanism; 31. a limiting body; 311. a first boss; 312. a second boss; 313. a connecting structure; 32. an elastomer; 4. a first moving body; 5. a second traveling mechanism; 51. fixing the rod; 52. a spring; 53. a third boss; 6. a second moving body; 7. a second plugging mechanism; 71. a second housing; 72. high-voltage outgoing lines; 73. a low-voltage outlet wire; 74. a grounding outgoing line; 8. a first guide member; 9. a second guide member; 100. a first sealing member; 200. a second sealing member.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention has been described in connection with an electric vehicle, this is not restrictive, and the technical solution of the present invention is obviously also applicable to other vehicles, such as hybrid vehicles and air-train vehicles, etc., without departing from the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "middle", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Based on the problem that the plugging and replacing efficiency of a connector for a power battery and a vehicle body interface in the existing electric vehicle is low, the invention provides a moving connecting device for a vehicle and the vehicle, and aims to enable the moving connecting device to realize quick plugging and pulling and improve the replacing speed so as to improve the replacing efficiency of the moving connecting device.
Specifically, as shown in fig. 1 to 3, the electric vehicle of the present invention includes a battery pack (power battery), a vehicle body and a mobile connection device, the vehicle body includes a support, the mobile connection device includes a first plug-in component and a second plug-in component, the first plug-in component includes a fixed body 1 and a first plug-in mechanism 2 disposed on the fixed body 1, the fixed body 1 is mounted on the battery pack (specifically, the fixed body 1 may be fixed to a cover plate of the battery pack by four screws at its own corner points), the second plug-in component includes a first mobile mechanism 3, a first mobile body 4, a second mobile mechanism 5, a second mobile body 6 and a second plug-in mechanism 7, the first mobile body 4 is mounted on the vehicle body by the first mobile mechanism 3, the second mobile body 6 is mounted on the first mobile body 4 by the second mobile mechanism 5, the second plug-in mechanism 7 is disposed on the second mobile body 6, the first moving mechanism 3 includes a stopper body 31 and an elastic body 32, a through hole structure is provided on the first moving body 4, the stopper body 31 is connected with the vehicle body, the stopper body 31 includes a first boss 311, a second boss 312 and a connection structure 313 connected between the first boss 311 and the second boss 312, the connection structure 313 is provided in the through hole structure and the first boss 311 and the second boss 312 are respectively provided at both sides of the first moving body 4 to limit the movement of the first moving body 4 along the axial direction of the through hole structure, the elastic body 32 is provided in the through hole structure and located between the first moving body 4 and the connection structure 313, and the elastic body 32 is provided to allow the movement of the first moving body 4 in the direction perpendicular to the axial direction of the through hole structure. Wherein, the first plug-in component can correspond to the socket, the second plug-in component can correspond to the plug, namely the first moving mechanism 3 and the second moving mechanism 5 both belong to a part of the plug, when the plug and the socket move in opposite directions, the plug of the first plug-in mechanism 2 and the second moving mechanism 7 can be realized by moving to the second plug-in mechanism 7 through the combined action of the first moving mechanism 3 and the second moving mechanism 5, of course, the first plug-in component can also correspond to the plug, the second plug-in component can correspond to the socket, namely the first moving mechanism 3 and the second moving mechanism 5 both belong to a part of the socket, technicians in this field can flexibly set the setting positions of the first moving mechanism 3 and the second moving mechanism 5 in practical application, as long as the quick plug-in of the first plug-in mechanism 2 and the second plug-in mechanism 7 can be realized through the first moving mechanism 3 and the second moving mechanism 5, such a change of the position of the first and second flyweights 3, 5 is not departing from the principle of the present invention and should be limited within the scope of the present invention. In the present invention, the first traveling mechanism 3 can move the first movable body 4 horizontally, and in the present invention, the horizontal direction refers to a direction perpendicular to the insertion direction (i.e., any direction on a plane perpendicular to the axial direction of the through-hole structure), the vertical direction refers to a direction parallel to the insertion direction (i.e., the same direction as the axial direction of the through-hole structure), and the second traveling mechanism 5 can move the second movable body 6 horizontally or vertically, but it is of course most preferable that the second traveling mechanism 5 moves the second movable body 6 vertically, and by arranging that the first traveling mechanism 3 and the second traveling mechanism 5 can move the second insertion mechanism 7 both horizontally (i.e., in a horizontal plane composed of X and Y) and vertically (i.e., in a Z direction), that is, the first and second traveling mechanisms 3 and 5 can move the second plug mechanism 7 three-dimensionally in space (i.e., can move flexibly in the direction X, Y, Z).
In the above structure, as shown in fig. 3, the first boss 311 and the second boss 312 are connected by the connection structure 313, the connection structure 313 may be an integrated connection structure 313, or may be a split connection structure 313, if the connection structure 313 is an integrated connection structure 313, all of the first boss 311, the second boss 312 and the connection structure 313 may be split, and when mounting, the first boss 311 is mounted at one end of the connection structure 313, and the second boss 312 is mounted at the other end of the connection structure 313, or when mounting, the connection structure 313 itself is integrated with one of the first boss 311 and the second boss 312, and when mounting, only the other boss needs to be mounted on the connection structure 313. In the present invention, the connection structure 313 is preferably a split structure, that is, the connection structure 313 includes a first connection portion and a second connection portion connected to each other, the first connection portion is integrally formed with the first boss 311, the second connection portion is integrally formed with the second boss 312, by such arrangement, the first connection portion and the first boss 311 form a fastening structure with a boss, the second connection portion and the second boss 312 also form a fastening structure with a boss, and then the two fastening structures are mounted together, so as to achieve axial limitation of the first movable body 4 (i.e. limit the first movable body 4 to move along the axial direction of the through hole structure), in practical application, the first connection portion can be provided as a first sleeve, the second connection portion is provided as a second sleeve, the first sleeve and the second sleeve are plugged together or riveted together, or the first sleeve and the second sleeve are inserted and then riveted, and a person skilled in the art can flexibly set a fixed connection mode of the first sleeve and the second sleeve in practical application as long as the first moving body 4 can be axially limited by the limiting body 31 composed of the first boss 311, the second boss 312 and the connection structure 313. It should be noted that, in practical applications, the size of the outer contour of the first boss 311 and the size of the outer contour of the second boss 312 should be larger than the maximum size of the through hole structure, so that in an assembled state, the first boss 311 and the second boss 312 do not pass through the through hole structure, thereby ensuring that the first moving body 4 is axially limited from both sides of the first moving body 4 (as shown in fig. 3, the first boss 311 is located on the top side of the first moving body 4, and the second boss 312 is located on the bottom side of the first moving body 4, so as to limit the vertical movement of the first moving body 4). In a preferred case, the first boss 311 and the second boss 312 are both circular bosses, the through hole structure is a regular circular through hole, and the diameter of the first boss 311 and the diameter of the second boss 312 are both larger than the diameter of the through hole structure. It is further preferable that a groove structure connected to the through hole structure is provided at one side of the first moving body 4 (shown in fig. 3 at the bottom side of the first moving body 4), the second boss 312 is located in the groove structure with a gap between the second boss 312 and the inner sidewall of the groove structure. Still taking the second boss 312 as a circular boss as an example, the groove structure may be configured as a circular groove, and the diameter of the second boss 312 is smaller than that of the groove structure, that is, the first movable body 4 can move within a certain range through the cooperation of the groove structure and the second boss 312, and actually, the movable range of the first movable body 4 is the whole inner contour range of the groove structure. Of course, in the present invention, the first boss 311, the second boss 312, the through hole structure and the groove structure may also be configured in a non-circular structure, for example, all of the first boss 311, the second boss 312, the through hole structure and the groove structure are configured in a square shape, or a part of the first boss 311, the second boss 312, the through hole structure and the groove structure are configured in a square shape, or other shapes, and such changes to the shapes of the first boss 311, the second boss 312, the through hole structure and the groove structure do not depart from the principle of the present invention, and should be limited within the protection scope of the present invention.
In the above structure of the present invention, at least one of the first boss 311, the second boss 312 and the connecting structure 313 may be connected to a bracket of the vehicle body so that the stopper body 31 is fixed to the bracket of the vehicle body, for example, in a possible case, the first boss 311, the second boss 312 and the connecting structure 313 are each provided with a through hole, which may be a threaded hole or a smooth hole, and then the stopper body 31 is fixed to the bracket of the vehicle body by passing a bolt/screw through the through hole. In addition, the number of the stopper bodies 31 may be one, or may be plural, for example, in the configuration shown in fig. 1 to 3, the number of the stopper bodies 31 is four, the first movable body 4 is provided in a movable plate configuration having a substantially rectangular shape, and the four stopper bodies 31 are provided near four corner points of the first movable plate, respectively.
It should be noted that, as shown in fig. 3, the first boss 311 and the second boss 312 also limit the elastic body 32, so as to prevent the elastic body 32 from coming out of the through hole structure, and thus the elastic body 32 is stably limited between the connection structure 313 and the first movable body 4, wherein the elastic body 32 may be an annular elastic rubber, a sector elastic rubber, or a drum spring 52, and the like, and those skilled in the art can flexibly set the specific structure of the elastic body 32 in practical applications as long as the first movable body 4 can horizontally move by the elastic action of the elastic body 32.
Preferably, as shown in fig. 4, the second moving mechanism 5 includes a fixed rod 51 and a spring 52 sleeved on the fixed rod 51, the fixed rod 51 is provided with a third boss 53, the second moving body 6 is provided with a mounting hole, one end of the fixed rod 51 is fixed with the first moving body 4, the other end of the fixed rod 51 passes through the mounting hole, the third boss 53 is provided on the side of the second moving body 6 far away from the first moving body 4, and the spring 52 is provided between the first moving body 4 and the second moving body 6. In this case, the diameter of the third boss 53 is set to be larger than that of the mounting hole, so that the second movable body 6 does not separate from the fixed rod 51, and of course, the third boss 53 may also be set to be a boss having another shape, such as a square boss, etc., and those skilled in the art may flexibly set the specific shape of the third boss 53 in practical applications as long as the second movable body 6 can be limited by the third boss 53. The second moving body 6 is vertically movable, i.e. Z-movable, by the action of the spring 52, so that the second plug-in mechanism 7 can move three-dimensionally in space by the combined action of the first and second traveling mechanisms 3, 5. In practical application, the number of fixing rods 51 may be four, the number of springs 52 corresponding thereto is also four, and two of the four fixing rods 51 may be disposed at positions close to opposite sides of first movable body 4 (i.e., two of the four fixing rods 51 are disposed at a first side of first movable body 4, the other two are disposed at a second side of first movable body 4, and the first side and the second side are two opposite sides on first movable body 4). The second movable body 6 may be a movable frame disposed on both sides of the second plugging mechanism 7, each movable frame is connected to the first movable body 4 through two fixed rods 51, of course, in practical applications, the number of the fixed rods 51 and the springs 52 may be other numbers, and those skilled in the art may flexibly set the number of the fixed rods 51 and the springs 52 in practical applications, and such adjustment and change of the number of the fixed rods 51 and the springs 52 should not depart from the principle of the present invention, and should be limited within the protection scope of the present invention.
Preferably, as shown in fig. 2, the first moving body 4 is provided with a receiving structure 41, at least a part of the second plug-in mechanism 7 is arranged in the receiving structure 41, and a gap is formed between the inner side wall of the receiving structure 41 and the second plug-in mechanism 7. The accommodating structure 41 may be a through slot cavity with a substantially rectangular shape, so that a wire harness may be mounted on the second plugging mechanism 7, thereby facilitating routing, of course, the accommodating structure 41 may also be a slot cavity with a circular shape, and a person skilled in the art may flexibly set the specific shape of the accommodating structure 41 in practical application, and such adjustment and change of the shape of the accommodating structure 41 do not limit the present invention. By arranging a gap between the inner side wall of the accommodating structure 41 and the second plugging mechanism 7, the second plugging mechanism 7 can have a certain angle floating amount in the Z direction, specifically, taking the aforementioned middle fixing rod 51 and the springs 52 as an example, when the four springs 52 generate different deformation amounts, the second plugging mechanism 7 can have a certain angle floating amount, and thus, three-dimensional movement in the space of the second plugging mechanism 7 and angle inclination in the vertical direction are realized.
Preferably, as shown in fig. 2 and 5, the first inserting mechanism 2 includes a first housing 21 provided on the fixed body 1 and a high voltage PIN 22, a low voltage PIN 23 and a ground PIN 24 provided in the first housing 21, and the second inserting mechanism 7 includes a second housing 71 provided on the second movable body 6 and a high voltage outlet line 72, a low voltage outlet line 73 and a ground outlet line 74 provided in the second housing 71, the high voltage outlet line 72 being connected to the high voltage PIN 22, the low voltage outlet line 73 being connected to the low voltage PIN 23, and the ground outlet line 74 being connected to the ground PIN 24 in an assembled state. Here, the first casing 21 may be fixedly connected to or integrally provided with the fixed body 1, and the second casing 71 may be fixedly connected to or integrally provided with the second moving body 6. In the above structure, the positions of the high-voltage outgoing line 72 and the high-voltage PIN 22 can be exchanged, similarly, the positions of the low-voltage outgoing line 73 and the low-voltage PIN 23 can also be exchanged, and the positions of the grounding outgoing line 74 and the grounding PIN 24 can also be exchanged, and the adjustment of the positions does not limit the present invention, and should be limited within the protection scope of the present invention. On the electric automobile, the connection of high pressure interface can be used for exporting the electric energy of power battery package to automobile body motor and battery package use of charging, and the connection of low pressure interface can be used for low pressure power supply and communication. In practical applications, the low Voltage PIN 23 generally includes a plurality of PINs, the number and the position of the plurality of PINs can be adjusted, and preferably, the heights of the plurality of PINs are not exactly the same, for example, as shown in fig. 5, the height of two PINs is set to be slightly lower than the height of the other PINs, so as to implement an hvil (high Voltage Interlock) high Voltage Interlock function, so that the mating state of the floating connection device can be detected (i.e., the 2 PIN holes of the plug end that is mated with the floating connection device are electrically connected and shorted). As shown in FIG. 5, a metal crown spring can be arranged in the high-voltage PIN pinhole 25, and the top of the middle guide post is provided with an insulating material, so that the function of preventing finger touch can be realized.
Preferably, as shown in fig. 1 to 5, a first guide member 8 is provided in the first housing 21, a second guide member 9 is provided in the second housing 71, and the first guide member 8 is in guiding engagement with the second guide member 9. In practical application, the first guide member 8 and the first housing 21 may be fixedly connected or integrated, the second guide member 9 and the second housing 71 may be fixedly connected or integrated, the first guide member 8 and the second guide member 9 may adopt a matching manner of a guide post and a guide sleeve, and certainly, other matching manners of guide structures may also be adopted, and a person skilled in the art may flexibly set specific structures of the first guide member 8 and the second guide member 9 in practical application as long as the guide insertion of the first insertion mechanism 2 and the second insertion mechanism 7 is realized through the guide matching of the first guide member 8 and the second guide member 9. In one possible case, the first guide member 8 is a guide sleeve and the second guide member 9 is a guide post in guiding engagement with the guide sleeve. In addition, the number of the guide sleeves and the guide posts may be flexibly set, for example, in the structure shown in fig. 2 and 5, the number of the guide sleeves and the guide posts may be two, the guide sleeves and the guide posts are in one-to-one correspondence, the two guide sleeves are disposed at diagonal positions in the first housing 21, and the two guide posts are disposed at diagonal positions in the second housing 71. More preferably, the guide sleeve is provided with a chamfer/chamfer angle on one side facing the guide post, and the guide post is provided with a conical structure on one side facing the guide sleeve, so that when the first plugging mechanism 2 and the second plugging mechanism 7 move oppositely, the guide post can be accurately guided into the guide sleeve through the matching of the conical structure and the chamfer/chamfer angle. It should be noted that, if the guiding function is implemented, the sum of the heights of the guiding sleeve and the guiding column needs to be greater than the sum of the heights of the first plugging mechanism 2 and the second plugging mechanism 7, so as to ensure that the guiding part can be contacted first when the first plugging component (socket part) and the second plugging component (plug part) move and plug in opposite directions, thereby ensuring the implementation of the guiding function, when the guiding sleeve is contacted first with the guiding column, the guiding column is guided into the guiding sleeve through the cooperation of the cone structure and the chamfer angle/chamfer angle, because the first moving mechanism 3 and the second moving mechanism 5 can make the second plugging mechanism 7 move three-dimensionally in the space and have an angle activity in the vertical direction, the guiding process of the guiding sleeve and the guiding column can be smoothly performed, and further, the accurate plugging of the first plugging mechanism 2 and the second plugging mechanism 7 is implemented.
Preferably, as shown in fig. 5, a first sealing member 100 is provided on the fixed body 1, and in the assembled state, the first sealing member 100 can isolate the first plug-in mechanism 2 and the second plug-in mechanism 7 from the outside. For example, the first sealing member 100 may be a flat gasket or other sealing structure, and the first sealing member 100 can perform a first sealing operation on the first plug mechanism 2 and the second plug mechanism 7, so as to perform a first waterproof and dustproof sealing function. More preferably, the first plug-in mechanism 2 is provided with a second sealing member 200, and in the assembled state, the second sealing member 200 can isolate the first plug-in mechanism 2 and the second plug-in mechanism 7 from the outside. Specifically, a single-layer side seal ring, a multi-layer seal ring, or another sealing structure may be provided on the outer side wall of the first housing 21, and the second sealing member 200 may be used to perform the second sealing of the first plug-in mechanism 2 and the second plug-in mechanism 7, so as to perform the second waterproof and dustproof sealing function.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (13)
1. A movable connecting device for a vehicle, the vehicle comprises a vehicle body and a battery pack, and is characterized in that the movable connecting device comprises a first plug-in component and a second plug-in component, the first plug-in component comprises a fixed body and a first plug-in mechanism arranged on the fixed body, the fixed body is arranged on the battery pack, the second plug-in component comprises a first movable mechanism, a first movable body, a second movable mechanism, a second movable body and a second plug-in mechanism, the first movable body is arranged on the vehicle body through the first movable mechanism, the second movable body is arranged on the first movable body through the second movable mechanism, the second plug-in mechanism is arranged on the second movable body,
the first moving mechanism comprises a limiting body and an elastic body, a through hole structure is arranged on the first moving body, the limiting body is connected with the vehicle body, the limiting body comprises a first boss, a second boss and a connecting structure connected between the first boss and the second boss, the connecting structure is arranged in the through hole structure, the first boss and the second boss are respectively arranged on two sides of the first moving body so as to limit the first moving body to move along the axial direction of the through hole structure, the elastic body is arranged in the through hole structure and is positioned between the first moving body and the connecting structure, and the elastic body is arranged to allow the first moving body to move in the direction perpendicular to the axial direction of the through hole structure,
a groove structure connected with the through hole structure is arranged on one side of the first movable body, the second boss is positioned in the groove structure, a gap is formed between the second boss and the inner side wall of the groove structure, the groove structure is a circular groove, the second boss is a circular boss, the diameter of the second boss is smaller than that of the groove structure, the movable range of the first movable body is the whole inner contour range of the groove structure,
the connecting structure comprises a first connecting part and a second connecting part which are connected, the first connecting part and the first boss are arranged into a whole, the second connecting part and the second boss are arranged into a whole, the first connecting part is a first sleeve, the second connecting part is a second sleeve, and the first sleeve and the second sleeve are mutually spliced.
2. The traveling coupling apparatus according to claim 1, wherein the second traveling mechanism includes a fixed rod and a spring fitted around the fixed rod, the fixed rod is provided with a third boss, the second traveling body is provided with a mounting hole, one end of the fixed rod is fixed to the first traveling body, the other end of the fixed rod passes through the mounting hole, the third boss is provided on a side of the second traveling body away from the first traveling body, and the spring is provided between the first traveling body and the second traveling body.
3. The floating connection of claim 2 wherein said third boss is a cylindrical pin boss, said third boss having a diameter greater than a diameter of said mounting hole.
4. The traveling coupling device according to claim 2, wherein a receiving structure is provided on said first traveling body, at least a portion of said second plug means is provided in said receiving structure, and a gap is provided between an inner side wall of said receiving structure and said second plug means.
5. The floating connection device according to claim 1, wherein said first plug-in mechanism comprises a first housing disposed on said fixed body and a high voltage PIN, a low voltage PIN and a ground PIN disposed in said first housing, said second plug-in mechanism comprises a second housing disposed on said second floating body and a high voltage outgoing line, a low voltage outgoing line and a ground outgoing line disposed in said second housing, said high voltage outgoing line being connected to said high voltage PIN, said low voltage outgoing line being connected to said low voltage PIN, said ground outgoing line being connected to said ground PIN in an assembled condition.
6. The floating connection of claim 5 wherein said low voltage PIN comprises a plurality of PINs, said plurality of PINs not being all the same height.
7. The nomadic connection device of claim 5, wherein a first guide member is provided within the first housing and a second guide member is provided within the second housing, the first guide member being in guiding engagement with the second guide member.
8. The nomadic connection device of claim 7, wherein the first guide member is integrally formed with the first housing and the second guide member is integrally formed with the second housing.
9. The floating connection apparatus of claim 7 wherein said first guide member is a guide sleeve and said second guide member is a guide post in guiding engagement with said guide sleeve.
10. The traveling coupling assembly of claim 9 wherein the side of the guide housing facing the guide post is provided with a radius/bevel and the side of the guide post facing the guide housing is provided with a tapered configuration.
11. A swimming connection device according to any one of claims 1-10, wherein a first sealing member is provided on the stationary body, which in the assembled condition can isolate the first and second plugging means from the outside.
12. A swimming connection device according to claim 11, wherein a second sealing member is provided on the first plug means, which second sealing member, in the assembled condition, is capable of isolating the first plug means and the second plug means from the outside.
13. A vehicle characterised in that it includes a travelling attachment arrangement according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527242.0A CN109921235B (en) | 2018-12-13 | 2018-12-13 | Traveling connection device for vehicle and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527242.0A CN109921235B (en) | 2018-12-13 | 2018-12-13 | Traveling connection device for vehicle and vehicle |
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| CN109921235A CN109921235A (en) | 2019-06-21 |
| CN109921235B true CN109921235B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811527242.0A Active CN109921235B (en) | 2018-12-13 | 2018-12-13 | Traveling connection device for vehicle and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112531407A (en) * | 2020-11-25 | 2021-03-19 | 湖北航天技术研究院总体设计所 | Blind-plugging floating butt joint system for large-size equipment |
| CN113937421A (en) * | 2021-11-10 | 2022-01-14 | 上海前晨汽车科技有限公司 | Vehicle-mounted quick-change box assembly, vehicle-mounted quick-change battery assembly and new energy vehicle |
| CN116073168B (en) * | 2023-04-06 | 2023-08-22 | 四川工程职业技术学院 | Quick-change connector for power battery and electric automobile with quick-change connector |
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| CN202076589U (en) * | 2011-05-31 | 2011-12-14 | 许继电源有限公司 | Connector floating mechanism |
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| CN106532303A (en) * | 2015-09-10 | 2017-03-22 | 贵州航天电器股份有限公司 | Floating plug-in electrical connector |
| CN206441961U (en) * | 2016-09-21 | 2017-08-25 | 蔚来汽车有限公司 | The connector of the cold battery bag of electric automobile liquid |
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