CN217691846U - Sealing device, electric connector and electric automobile - Google Patents
Sealing device, electric connector and electric automobile Download PDFInfo
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- CN217691846U CN217691846U CN202221059774.8U CN202221059774U CN217691846U CN 217691846 U CN217691846 U CN 217691846U CN 202221059774 U CN202221059774 U CN 202221059774U CN 217691846 U CN217691846 U CN 217691846U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a sealing device, electric connector and electric automobile, sealing device is used for the sealing connection of first connecting piece and second connecting piece, sealing device has connecting portion and support portion, connecting portion are used for connecting at first connecting piece, support portion is located one side of connecting portion towards the second connecting piece and is used for supporting on the second connecting piece, support portion has the first butt face, the second butt face that are used for supporting with the lateral part of second connecting piece, support portion still has the chamber of holding, the chamber of holding is located between first butt face and the second butt face; when first connecting piece and second connecting piece sealing connection, first butt face and second butt face homoenergetic move towards holding the chamber direction. Sealing device is when carrying out sealing connection to first connecting piece and second connecting piece, can prevent through supporting to take place the extrusion to collide with between portion and the second connecting piece, simultaneously, supports to support and can play sealed effect, the clearance between sealed first connecting piece that can be better and the second connecting piece.
Description
Technical Field
The utility model relates to a sealing device, electric connector and electric automobile.
Background
With the progress of battery technology, electric vehicles are more popular with consumers, and in order to facilitate quick installation and replacement of batteries of electric vehicles, an electric connector is integrated on the batteries to realize electric connection with the electric vehicles. The electric connector at the connection position of the battery and the vehicle can be in poor contact or damaged due to bumping of the automobile during running, so that the floating part is arranged on the electric connector to realize floating type electric connection so as to ensure the stability of the electric connector in connection and use.
Because the existing electric connector is provided with a vehicle end connecting piece, a floating piece and a battery end connecting piece, in order to seal the inside of the electric connector, a sealing device is arranged on a shell of the electric connector to prevent the electric connector from being normally used due to internal water inflow. The existing sealing device is generally sleeved on a vehicle end fixing plate of a vehicle end connecting piece and a floating plate of a floating piece, and the sealing between the floating piece and a battery end connecting piece is realized by the abutting of the outer side part of the sealing device and the battery end connecting piece. Because electric connector's floating piece and battery end connecting piece adopt the connection mode of floating, sealing device on electric connector's the shell also can float along with floating of floating portion, and the clearance between floating piece and the battery end connecting piece can be along with floating the grow or diminish, and the clearance grow can make sealing device's outside portion and battery end connecting piece's sealed effect variation, also can lead to outside water to get into, influences electric connector's normal use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a sealing device, electric connector and electric automobile for overcome among the prior art sealing device on the shell of electric connector also can be along with the unsteady and clearance grow of portion of floating for sealing device's outside portion and the defect of the sealed effect variation of battery end connecting piece.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a sealing device for the sealing connection of first connecting piece and second connecting piece, sealing device has connecting portion and support portion, connecting portion are used for connecting at first connecting piece, support the position in connecting portion one side towards the second connecting piece and be used for supporting on the second connecting piece, support the portion and have first butt face, the second butt face that is used for supporting with the lateral part of second connecting piece, support the portion still to have and hold the chamber, hold the chamber and be located between first butt face and the second butt face; when the first connecting piece is connected with the second connecting piece in a sealing mode, the first abutting face and the second abutting face can move towards the direction of the containing cavity.
In this scheme, adopt above-mentioned structure, carry out sealing connection to first connecting piece and second connecting piece through sealing device, first connecting piece and second connecting piece are when being close to, first butt face and the second butt face homoenergetic of sealing device's support portion are to holding the chamber direction removal under the effect of second connecting piece, can prevent effectively through support portion that the emergence extrusion from colliding with between first connecting piece and the second connecting piece, and simultaneously, support the portion and can play sealed effect, clearance between the first connecting piece of sealing that can be better and the second connecting piece, avoid outside water or debris to get into influence the normal use of electric connector in the electric connector, through setting up above-mentioned first butt face and second butt face, even the clearance of first connecting piece and second connecting piece changes, support the portion homoenergetic and hold the change in clearance of the removal adaptation of chamber direction through above-mentioned two butt faces orientation in order to guarantee sealed effect, guarantee the power supply stability of battery to the vehicle.
Preferably, the first abutting surface and the second abutting surface are inclined surfaces, and the first abutting surface and the second abutting surface are inclined from the joint of the abutting portion and the connecting portion to the middle of the abutting portion.
In this scheme, adopt above-mentioned structure, first butt face and second butt face are all from the junction orientation that leans on portion and connecting portion to lean on the middle part direction slope of portion, make first connecting piece and second connecting piece when being close to each other, first butt face and second butt face can more easily move towards holding the chamber direction under the effect of extrusion force, even the clearance of first connecting piece and second connecting piece changes, first butt face, the second butt face can not outwards move yet and lead to the clearance between external impurity entering first connecting piece and the second connecting piece.
Preferably, the first abutting surface and the outer side surface of the connecting part are in continuous plane transition; the second abutting surface and the outer side surface of the connecting part are in continuous plane transition.
In this scheme, adopt above-mentioned structure, simple structure, pleasing to the eye, the processing of being convenient for.
Preferably, when the abutting part is not abutted with the second connecting piece, the inclination angle of the first abutting surface relative to the horizontal plane is 15-25 degrees, and the inclination angle of the second abutting surface relative to the horizontal plane is 8-15 degrees.
Preferably, the abutting portion includes a first abutting portion and a second abutting portion, the first abutting portion and the second abutting portion are respectively provided on an outer circumferential side and an inner circumferential side of the connecting portion, the first abutting surface is located on an outer circumferential side of the first abutting portion away from the second abutting portion, and the second abutting surface is located on an outer circumferential side of the second abutting portion away from the first abutting portion.
In this scheme, adopt above-mentioned structure, through two support portions and second connecting piece butt, be convenient for on the one hand support portion and second connecting piece produce when extrudeing and warp, realize better sealed effect, on the other hand can play double seal's effect.
Preferably, the abutting portion further comprises a third abutting portion, the third abutting portion is located between the first abutting portion and the second abutting portion, a first accommodating cavity is formed between the first abutting portion and the third abutting portion, and a second accommodating cavity is formed between the third abutting portion and the second abutting portion.
In this scheme, adopt above-mentioned structure, further increase the sealed effect between first connecting piece and the second connecting piece.
Preferably, the accommodating cavity is formed by inwards sinking from the surface of the abutting part.
In this scheme, adopt above-mentioned structure, the portion of leaning on when being convenient for support with the second connecting piece butt support have bigger contact surface between portion and the second connecting piece to the sealed effect of reinforcing.
Preferably, the end of the abutting portion facing the second connector has an opening, and the opening is communicated with the accommodating cavity.
In this scheme, adopt above-mentioned structure, will hold the chamber and pass through opening and outside intercommunication, avoid holding the chamber inside gaseous unable the getting rid of when being extruded, lead to first butt face and second butt face can not to holding the bigger distance of chamber direction removal, influence the sealed effect of butt of first butt face and second butt face.
Preferably, the accommodating cavity is a closed cavity formed inside the abutting part.
In this scheme, adopt above-mentioned structure, hold the chamber and adopt closed cavity structures, can make to support to have great elasticity by the portion, strengthen the buffering effect between first connecting piece and the second connecting piece.
Preferably, the cross section of the accommodating cavity is polygonal.
In this scheme, adopt above-mentioned structure, can reduce the deformation degree of leaning on the portion when the extrusion, realize better sealed and cushioning effect.
Preferably, the sealing device is of an annular structure, an annular groove is formed in the inner peripheral side of the sealing device, the annular groove is used for sleeving the first connecting piece, the connecting portion comprises a first clamping portion and a second clamping portion, and the first clamping portion and the second clamping portion are respectively arranged on two inner side walls opposite to the annular groove and are respectively used for clamping and connecting end portions of the first connecting piece on the corresponding side.
In this scheme, adopt above-mentioned structure, pass through embedding connected mode with first connecting piece, can effectively strengthen the joint strength between sealing device and the part, prevent the effect that drops, and the leakproofness is good, and water-proof effects is obvious, simultaneously, simple structure, easy assembly.
Preferably, one end of the first clamping portion facing the second clamping portion is provided with a first protrusion extending along the radial direction of the annular groove;
one end of the second clamping portion, which faces the first clamping portion, is provided with a second protrusion extending along the radial direction of the annular groove.
In this scheme, adopt above-mentioned structure, through first arch and the second arch in first joint portion and the second joint portion can further strengthen the joint strength between sealing device and the first connecting piece, effectively improved sealing device and first connecting piece in the stability of connecting with the use.
Preferably, the inner peripheral side of the first clamping portion is provided with a positioning member, a gap is formed between the positioning member and the first clamping portion, one end of the positioning member is connected to the inner side wall of the annular groove, and the other end of the positioning member extends towards the second clamping portion.
In this scheme, adopt above-mentioned structure, through setting element laminating and support and lean on in first connecting piece, effectively prevent that sealing device's connecting portion and first connecting piece from producing the obscission, improved the stability of structural connection between the first connecting piece of sealing device.
Preferably, the sealing device has an annular protrusion in the middle of the outer peripheral surface, and the annular groove has an annular recess in the inner peripheral surface at a position corresponding to the annular protrusion.
In this scheme, adopt above-mentioned structure, through the middle part region setting annular bellying and annular depressed part in the outer peripheral face of sealing device's connecting portion, improved sealing device's connecting portion atress deformability to improve sealing device and rock the sealed effect under the condition.
Preferably, the abutting portion is arranged on the outer side wall, away from the second clamping portion, of the annular groove, and the outer side wall, away from the first clamping portion, of the annular groove is provided with a protruding structure.
In this scheme, adopt above-mentioned structure, protruding structure plays sealed effect, has effectively improved sealing device's sealed and water-proof effects.
The utility model also provides an electric connector, electric connector contains as above sealing device.
Preferably, the electric connector has a vehicle end connecting piece, a floating piece and a battery end connecting piece, the vehicle end connecting piece and the floating piece constitute the first connecting piece, the battery end connecting piece is the second connecting piece, the abutting portion is used for abutting against the battery end connecting piece, and the floating piece is arranged between the vehicle end connecting piece and the battery end connecting piece.
In this scheme, establish the sealing device's of above-mentioned structure connecting portion cover on the car end fixed plate of car end connecting piece and the floating plate of floating piece, the sealing between floating piece and the battery end connecting piece is sealed through the support of sealing device to pressing the realization of portion and battery end connecting piece. The floating piece and the battery end connecting piece of the electric connector adopt a floating connection mode, the sealing device on the vehicle end connecting piece and the floating piece can float along with the floating of the floating piece, the sealing device moves towards the accommodating cavity direction under the floating condition by the first abutting surface or the second abutting surface of the abutting part and tightly abuts against the battery end connecting piece, and therefore the normal use of the electric connector is prevented from being influenced by external water entering the electric connector from the position between the floating piece and the battery end connecting piece.
The utility model also provides an electric automobile, electric automobile contains as above the electric connector.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in: the utility model discloses a sealing device is when carrying out sealing connection to first connecting piece and second connecting piece, first connecting piece and second connecting piece are when being close to, sealing device's the first butt face and the second butt face homoenergetic of support portion can be to holding the chamber direction removal under the effect of second connecting piece, can prevent effectively through support portion that the extrusion from taking place to collide with between first connecting piece and the second connecting piece, and simultaneously, support portion can play sealed effect, the clearance between sealed first connecting piece that can be better and the second connecting piece, influence the normal use of electric connector in avoiding outside water or debris to get into the electric connector, guarantee the power supply stability of battery to the vehicle.
Drawings
Fig. 1 is a schematic structural diagram of an electrical connector according to a preferred embodiment of the present invention.
Fig. 2 is a cross-sectional view of the electrical connector of fig. 1.
Fig. 3 is a schematic structural diagram of a sealing device according to a preferred embodiment of the present invention.
Fig. 4 is a front view of the sealing device of fig. 3.
Fig. 5 isbase:Sub>A schematic cross-sectional view of the sealing device of fig. 4 in the direction ofbase:Sub>A-base:Sub>A in example 1.
Fig. 6 isbase:Sub>A schematic cross-sectional view of the sealing device of fig. 4 in the direction ofbase:Sub>A-base:Sub>A in example 3.
Description of reference numerals:
Connecting part 110
First clamping part 111
Second clamping part 112
Abutting part 120
First abutting part 121
Second abutting portion 122
Third abutting part 123
The first abutting surface 124
Second abutting surface 125
Positioning member 140
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
It should be understood that the invention uses specific terms to describe embodiments of the application. The terms "first", "second", etc. are used to define the technical features only for the convenience of distinguishing the corresponding technical features, and the terms have no special meaning if not stated otherwise, and therefore, the scope of the present invention should not be construed as being limited thereby. Furthermore, certain features, structures, or characteristics of one or more embodiments of the invention may be combined as appropriate.
Example 1
As shown in fig. 1 and 2, embodiment 1 discloses an electrical connector 200 of the present invention, which is used for being mounted on an electric vehicle. The electrical connector 200 includes a first connector for being fixed at a vehicle end and electrically connected to a power supply line in the vehicle, and a second connector for being fixed at a battery end and electrically connected to a current output end of the battery, and the battery and the vehicle are electrically supplied to the vehicle through the electrical connector 200. The first connecting piece comprises a vehicle end connecting piece 210 and a floating piece 220, the second connecting piece comprises a battery end connecting piece 230, and when the battery end connecting piece 230 is connected to the floating piece 220, floating type electric connection between the battery and the vehicle is achieved, so that stability of electric connection between the battery and the vehicle is guaranteed.
As shown in fig. 2 to 5, the electrical connector 200 further includes a sealing device 100, wherein the sealing device 100 is used for sealing the first connecting member and the second connecting member, and is used for preventing external water or impurities from entering into the electrical connector 200 and affecting the normal use of the electrical connector 200. The sealing device 100 has a connecting portion 110 and an abutting portion 120, the connecting portion 110 is used for connecting to a first connecting member, i.e., the sealing device 100 is mounted on the vehicle-end connecting member 210 and the floating member 220 through the connecting portion 110; the abutting portion 120 is located at a side of the connecting portion 110 facing the second connector (i.e., the battery end connector 230) and serves to abut against the second connector.
As shown in fig. 2 and 5, the abutting portion 120 has a first abutting surface 124 for abutting against a side portion of the second connecting member, a second abutting surface 125, and the abutting portion 120 further has a receiving cavity between the first abutting surface 124 and the second abutting surface 125; when the first connecting member and the second connecting member are connected in a sealing manner, the first abutting surface 124 and the second abutting surface 125 can move towards the accommodating cavity.
Carry out sealing connection to first connecting piece and second connecting piece through sealing device 100, first connecting piece and second connecting piece are when being close to, first butt face 124 and the second butt face 125 homoenergetic of the portion 120 that supports of sealing device 100 can remove to holding the chamber direction under the effect of second connecting piece, can effectively prevent to take place the extrusion and collide with between first connecting piece and the second connecting piece through supporting the portion 120, simultaneously, support the portion 120 and can play the sealing effect, the clearance between first connecting piece and the second connecting piece that can be better sealed, avoid outside water or debris to get into influence electric connector 200's normal use in the electric connector 200, through setting up above-mentioned first butt face 124 and second butt face 125, even the clearance of first connecting piece and second connecting piece changes, support portion 120 homoenergetic through the change of above-mentioned two butt face orientation holding chamber direction's removal adaptation clearance to guarantee sealed effect, guarantee the power supply stability of battery to the vehicle.
As shown in fig. 5, in the present embodiment, the first abutting surface 124 and the second abutting surface 125 are inclined surfaces, and the first abutting surface 124 and the second abutting surface 125 are both inclined from the connection position of the abutting portion 120 and the connecting portion 110 toward the middle of the abutting portion 120. The first abutment surface 124 is located on the outer circumferential side of the sealing device 100, and the second abutment surface 125 is located on the inner circumferential side of the sealing device 100. First butt face 124 and second butt face 125 are all from the junction of butt portion 120 and connecting portion 110 towards the middle part direction slope of butt portion 120, make first connecting piece and second connecting piece when being close to each other, first butt face 124 and second butt face 125 can more easily move towards the chamber direction of holding under the effect of the squeezing force, even the clearance of first connecting piece and second connecting piece changes, first butt face 124, second butt face 125 also can not outwards move and lead to outside impurity to get into the clearance between first connecting piece and the second connecting piece, thereby the sealed effect of butt portion 120 and second connecting piece has been improved, avoid first butt face 124 and second butt face 125 to remove towards the direction of keeping away from the chamber of holding, lead to the sealed effect variation of butt portion 120 and second connecting piece.
The first contact surface 124 is in continuous planar transition with the outer side surface of the connecting portion 110. The second abutting surface 125 is in continuous planar transition with the outer side surface of the connecting portion 110. As shown in fig. 5, in the present embodiment, the connection portion 110 has an inner circumferential side and an outer circumferential side, the first contact surface 124 transitions to a continuous plane of an outer side surface on the outer circumferential side of the connection portion 110, and the second contact surface 125 transitions to a continuous plane of an outer side surface on the inner circumferential side of the connection portion 110. By adopting the structure, the structure is simple and beautiful, and the processing is convenient.
In other embodiments, the first abutting surface 124 and the second abutting surface 125 transition with the outer side surface of the connecting portion 110 through a curved surface or a bending surface, which is not described herein again.
When the abutting portion 120 is not abutted against the second connector, the inclination angle of the first abutting surface 124 with respect to the horizontal plane is 15 ° to 25 °, and in the present embodiment, mainly considering the direction in which the first abutting surface 124 is pre-compressed and the compression position, the inclination angle of the first abutting surface 124 with respect to the horizontal plane is preferably 20 °; the angle of inclination of the second abutment surface 125 relative to the horizontal is 8 ° -15 °, and in this embodiment, considering mainly the direction of pre-compression and the position of compression of the second abutment surface 125, the angle of inclination of the second abutment surface 125 relative to the horizontal is preferably 11 °.
In the present embodiment, as shown in fig. 5, the abutting portion 120 includes a first abutting portion 121, a second abutting portion 122 and a third abutting portion 123, the first abutting portion 121 and the second abutting portion 122 are respectively provided on the outer peripheral side and the inner peripheral side of the connecting portion 110, the first abutting surface 124 is located on the outer side of the first abutting portion 121 far from the second abutting portion 122, and the second abutting surface 125 is located on the outer side of the second abutting portion 122 far from the first abutting portion 121. The third abutting portion 123 is located between the first abutting portion 121 and the second abutting portion 122, a first accommodating cavity 126 is formed between the first abutting portion 121 and the third abutting portion 123, and a second accommodating cavity 127 is formed between the third abutting portion 123 and the second abutting portion 122. The sealing effect between the first and second connectors is further increased by the three abutments 120.
In the present embodiment, the receiving cavity is formed recessed inward from the surface of the abutting portion 120. By adopting the structure, the abutting part 120 and the second connecting piece have larger contact surfaces when the abutting part 120 abuts against the second connecting piece, so that the sealing effect is enhanced.
In other embodiments, the accommodating cavity is a closed cavity formed inside the abutting portion 120, and an end of the abutting portion 120 facing the second connector has an opening, and the opening is communicated with the accommodating cavity. Will hold the chamber and pass through opening and outside intercommunication, avoid holding the chamber and can't get rid of by the inside gas when extrudeing, lead to first butt face 124 and second butt face 125 can not remove bigger distance to holding the chamber direction, influence the sealed effect of butt of first butt face 124 and second butt face 125.
In this embodiment, the cross section of the accommodating cavity is polygonal. The accommodating cavity adopts the structure, so that the deformation degree of the abutting part 120 during extrusion can be reduced, and better sealing and buffering effects are realized.
In this embodiment, as shown in fig. 5, the sealing device 100 is of an annular structure, an inner peripheral side of the sealing device 100 is provided with an annular groove 130, the annular groove 130 is used for sleeving the first connecting member, the connecting portion 110 includes a first clamping portion 111 and a second clamping portion 112, and the first clamping portion 111 and the second clamping portion 112 are respectively disposed on two inner side walls opposite to the annular groove 130 and are respectively used for clamping and connecting end portions of the first connecting member on the corresponding side. Specifically, in the present embodiment, the first engaging portion 111 is adapted to be engaged with the floating member 220, and the second engaging portion 112 is adapted to be engaged with the vehicle-end connector 210. By adopting the structure, the first connecting piece is connected in an embedded mode, so that the connection strength between the sealing device 100 and the vehicle end connecting piece 210 and the floating piece 220 can be effectively enhanced, the falling-off effect is prevented, the sealing performance is good, the waterproof effect is obvious, and meanwhile, the structure is simple and the assembly is easy.
One end of the first catching portion 111 facing the second catching portion 112 has a first protrusion 1111 extending in a radial direction of the annular groove 130. One end of the second catching portion 112 facing the first catching portion 111 has a second protrusion 1121 extending in a radial direction of the annular groove 130. The cross-sectional shape of the first clamping portion 111 facing the second clamping portion 112 is preferably in a transverse T-shaped structure.
The floating member 220 and the vehicle end connecting member 210 are respectively provided with a clamping groove matched with the first clamping portion 111 and the second clamping portion 112, and the inlet width of the clamping groove is smaller than the width of the first protrusion 1111 and the second protrusion 1121. The first protrusion 1111 and the second protrusion 1121 on the first clamping portion 111 and the second clamping portion 112 can further enhance the connection strength between the sealing device 100 and the first connecting piece, and effectively improve the stability of the connection and the use of the sealing device 100 and the first connecting piece.
As shown in fig. 5, a positioning element 140 is disposed on an inner peripheral side of the first fastening portion 111, a gap is formed between the positioning element 140 and the first fastening portion 111, one end of the positioning element 140 is connected to an inner side wall of the annular groove 130, and the other end of the positioning element 140 extends toward the second fastening portion 112. The positioning member 140 is attached to and abutted against the first connecting member, so that the connecting portion 110 of the sealing device 100 is effectively prevented from falling off from the first connecting member, and the structural connection stability between the first connecting members of the sealing device 100 is improved.
In this embodiment, the positioning element 140 is used for matching and attaching the floating element 220, and the positioning element 140 is attached to and abutted against the floating element 220, so that the falling-off phenomenon between the abutting portion 120 and the floating element 220 is effectively prevented, and the stability of structural connection between the sealing device 100 and the floating element 220 is improved.
As shown in fig. 5, the sealing device 100 has an annular protrusion 160 at the middle of the outer circumferential surface thereof, and an annular recess 170 at a position corresponding to the annular protrusion 160 on the inner circumferential surface of the annular groove 130. By providing the annular convex portion 160 and the annular concave portion 170 in the middle region of the outer circumferential surface of the connecting portion 110 of the sealing device 100, the force-bearing deformation capability of the connecting portion 110 of the sealing device 100 is improved, thereby improving the sealing effect of the sealing device 100 under the shaking condition.
In this embodiment, the abutting portion 120 is disposed on the outer side wall of the annular groove 130 away from the second clamping portion 112, and the outer side wall of the annular groove 130 away from the first clamping portion 111 is provided with a protruding structure 150. By arranging the protruding structure 150 on the end face of the side end of the connecting portion 110 far away from the abutting portion 120, the sealing and waterproof effects of the sealing device 100 are effectively improved.
In the present embodiment, the sealing device 100 is integrally formed by using a rubber material.
In the electrical connector 200 of the present embodiment, the sealing device 100 with the above structure is adopted, and the connecting portion 110 of the sealing device 100 is sleeved on the vehicle end fixing plate of the vehicle end connecting member 210 and the floating plate of the floating member 220, and the sealing between the floating member 220 and the battery end connecting member 230 is realized by the abutting portion 120 of the sealing device 100 and the battery end connecting member 230. The floating member 220 and the battery end connecting member 230 of the electrical connector 200 adopt a floating connection mode, the sealing device 100 on the vehicle end connecting member 210 and the floating member 220 can also float along with the floating of the floating member 220, and when the sealing device 100 floats, the first abutting surface 124 or the second abutting surface 125 of the abutting portion 120 can move towards the accommodating cavity under the floating condition and tightly abut against the battery end connecting member 230, so that external water is prevented from entering the electrical connector 200 from between the floating member 220 and the battery end connecting member 230 to influence the normal use of the electrical connector 200.
Example 2
Example 2 provides another specific embodiment of the sealing device 100, and example 2 is substantially the same as the sealing device 100 of example 1, except that: in this embodiment, there are only two abutting portions 120 of the sealing device 100, that is, the abutting portion 120 includes a first abutting portion 121 and a second abutting portion 122, the first abutting portion 121 and the second abutting portion 122 are respectively disposed on the outer side and the inner side of the connecting portion 110, the first abutting surface 124 is located on the outer side of the first abutting portion 121 far from the second abutting portion 122, and the second abutting surface 125 is located on the outer side of the second abutting portion 122 far from the first abutting portion 121. Through two butt portions 120 and the butt of second connecting piece, be convenient for on the one hand to produce when butt portion 120 extrudees with the second connecting piece and warp, realize better sealed effect, on the other hand can play double seal's effect.
Example 3
As shown in fig. 6, example 3 provides another specific implementation of the sealing device 100, and the structure of example 3 is substantially the same as that of the sealing device 100 of example 1 or example 2, except that: in the present embodiment, the accommodating chamber is a closed cavity formed inside the abutting portion 120. The accommodating cavity is of a closed cavity structure, so that the abutting portion 120 has high elasticity, and the buffering effect between the first connecting piece and the second connecting piece is enhanced.
Example 4
Embodiment 4 provides an electric vehicle including the electric connector of embodiment 1 or 2 or 3 having a sealing device of a different structure.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (18)
1. A sealing device is used for sealing connection of a first connecting piece and a second connecting piece, and is provided with a connecting part and an abutting part, wherein the connecting part is used for being connected to the first connecting piece, and the abutting part is positioned on one side of the connecting part, which faces the second connecting piece, and is used for abutting against the second connecting piece; when the first connecting piece is connected with the second connecting piece in a sealing mode, the first abutting face and the second abutting face can move towards the direction of the containing cavity.
2. The sealing device according to claim 1, wherein the first abutment surface and the second abutment surface are inclined surfaces, and both the first abutment surface and the second abutment surface are inclined from a junction of the abutting portion and the connecting portion toward a middle of the abutting portion.
3. The sealing device of claim 2, wherein the first abutment surface transitions in a continuous plane with an outer side surface of the connecting portion; the second abutting surface and the outer side surface of the connecting part are in continuous plane transition.
4. The sealing device according to claim 2, wherein when the abutting portion is not abutted against the second connecting member, the first abutting surface is inclined at an angle of 15 ° to 25 ° with respect to a horizontal plane, and the second abutting surface is inclined at an angle of 8 ° to 15 ° with respect to the horizontal plane.
5. The sealing device according to claim 1, wherein the abutting portion includes a first abutting portion and a second abutting portion, the first abutting portion and the second abutting portion are provided on an outer peripheral side and an inner peripheral side of the connecting portion, respectively, the first abutting surface is located on an outer peripheral side of the first abutting portion away from the second abutting portion, and the second abutting surface is located on an outer peripheral side of the second abutting portion away from the first abutting portion.
6. The sealing device of claim 5, wherein the abutment further comprises a third abutment between the first and second abutments with a first receiving cavity therebetween, and a second receiving cavity between the third and second abutments.
7. The sealing device of claim 1, wherein the receiving cavity is formed recessed inward from a surface of the abutting portion.
8. The sealing device according to claim 1, characterized in that the end of the abutment facing the second connector has an opening communicating with the housing chamber.
9. The sealing device of claim 1, wherein the receiving cavity is a closed cavity formed inside the abutment.
10. The sealing device of claim 1, wherein the receiving cavity is polygonal in cross-section.
11. The sealing device as claimed in claim 1, wherein the sealing device is an annular structure, an inner peripheral side of the sealing device has an annular groove for receiving the first connecting element, the connecting portion includes a first engaging portion and a second engaging portion, and the first engaging portion and the second engaging portion are respectively disposed on two inner sidewalls of the annular groove and respectively engaged with an end of the first connecting element on a corresponding side.
12. The sealing device according to claim 11, wherein an end of the first catching portion toward the second catching portion has a first projection extending in a radial direction of the annular groove;
the second clamping portion faces one end of the first clamping portion and is provided with a second protrusion extending along the radial direction of the annular groove.
13. The sealing device according to claim 11, wherein a positioning member is disposed on an inner peripheral side of the first engaging portion, a gap is provided between the positioning member and the first engaging portion, one end of the positioning member is connected to an inner sidewall of the annular groove, and the other end of the positioning member extends toward the second engaging portion.
14. The sealing device according to claim 11, wherein the sealing device has an annular convex portion in a middle portion of an outer peripheral surface thereof, and the annular groove has an annular concave portion in a position corresponding to the annular convex portion in an inner peripheral surface thereof.
15. The sealing device according to claim 11, wherein the abutting portion is provided on an outer side wall of the annular groove away from the second clamping portion, and a protruding structure is provided on an outer side wall of the annular groove away from the first clamping portion.
16. An electrical connector comprising a sealing device according to any one of claims 1 to 15.
17. The electrical connector of claim 16, wherein the electrical connector has a vehicle end connector, a floating member, and a battery end connector, the vehicle end connector and the floating member comprising the first connector, the battery end connector being the second connector, the abutment portion being for abutment against the battery end connector, the floating member being disposed between the vehicle end connector and the battery end connector.
18. An electric vehicle comprising the electrical connector of claim 16 or 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221059774.8U CN217691846U (en) | 2022-04-29 | 2022-04-29 | Sealing device, electric connector and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221059774.8U CN217691846U (en) | 2022-04-29 | 2022-04-29 | Sealing device, electric connector and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217691846U true CN217691846U (en) | 2022-10-28 |
Family
ID=83737429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221059774.8U Active CN217691846U (en) | 2022-04-29 | 2022-04-29 | Sealing device, electric connector and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217691846U (en) |
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2022
- 2022-04-29 CN CN202221059774.8U patent/CN217691846U/en active Active
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