CN211320468U - Electric connection mechanism and electric vehicle - Google Patents

Abstract

The utility model provides an electric connection mechanism and electric motor car, electric connection mechanism include tripod plug, tripod socket and fastener, and the tripod plug is used for pegging graft the cooperation with the tripod socket, and the fastener is used for being connected with tripod plug and tripod socket simultaneously to prevent to peg graft complex tripod plug and tripod socket separation. The electric vehicle includes an electric connection mechanism. The plug and the socket of the electric connection mechanism are firmly and reliably connected, are not easy to loosen and have high safety.

Description

Electric connection mechanism and electric vehicle

Technical Field

The utility model relates to a vehicle processing field particularly, relates to an electric connection mechanism and electric motor car.

Background

At present, when two independent components are electrically connected, a plug and a socket are usually installed on the two independent components respectively, the plug and the socket are plugged and matched to realize electrical connection, and the plug and the socket form a common electrical connection mechanism. For example, the module and the battery on the electric vehicle are electrically connected by an electrical connection mechanism, or the module and the controller are also electrically connected by an electrical connection mechanism.

The inventor researches and discovers that the existing electric connection mechanism has the following defects:

the connecting structure of the plug and the socket has poor firmness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connection mechanism and electric motor car improve the firm in connection nature of plug and socket to improve the security.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment provides an electrical connection mechanism, comprising:

the three-pin plug is used for being in plug-in fit with the three-pin socket, and the fastener is used for being connected with the three-pin plug and the three-pin socket simultaneously so as to prevent the three-pin plug and the three-pin socket which are in plug-in fit from being separated.

In an alternative embodiment, the fastener is removably connected to at least one of the three-prong plug and the three-prong receptacle.

In an alternative embodiment, the fastener is threadedly connected to at least one of the three-prong plug and the three-prong receptacle.

In an alternative embodiment, the fastener is rotatably connected with the three-pin plug and the three-pin plug are relatively fixed in the extension direction of the plug rod of the plug; the fastener is provided with a clamping protrusion, the tripod socket is provided with a connecting part, the outer peripheral surface of the connecting part is provided with a guide port and a clamping groove communicated with the guide port, one end of the guide port in the extension direction extends to the end surface of the connecting part, the clamping groove extends in the circumferential direction of the connecting part, and the clamping protrusion can enter the clamping groove from the guide port and is in sliding fit with the clamping groove in the extension direction of the clamping groove.

In an alternative embodiment, the slot is provided with a guide section, and the width of the guide section in the extending direction of the jack of the three-pin socket is gradually reduced from one end close to the guide opening to one end far away from the guide opening.

In an optional embodiment, the outer peripheral surface of the connecting portion is provided with a blocking protrusion, and when the clamping protrusion rotates relative to the three-pin socket, the clamping protrusion abuts against the blocking protrusion to limit the rotation range of the clamping protrusion.

In an optional embodiment, the connecting portion is provided with a plurality of mutually independent slots, and the slots are arranged at intervals along the circumferential direction of the connecting portion.

In an alternative embodiment, the three-prong outlet includes a live jack, a neutral jack, and a ground jack, the ground jack having an inner diameter less than the inner diameters of the live jack and the neutral jack.

In an alternative embodiment, the electrical connection mechanism further comprises a sealing ring provided at a connection position of the three-pin plug and the three-pin socket.

In a second aspect, an embodiment provides an electric vehicle, including:

the electrical connection mechanism of any of the preceding embodiments.

The embodiment of the utility model provides a beneficial effect is:

to sum up, the embodiment provides an electric connection mechanism, including fastener and tripod plug and the tripod socket of mutually supporting, after tripod plug and the cooperation of pegging graft of tripod socket, utilize the fastener to couple together tripod plug and tripod socket, the fastener can restrict tripod plug and tripod socket and keep away from each other, also is difficult for keeping away from each other and separates for tripod plug and tripod socket, the tripod plug is difficult for automatic taking out from the tripod socket, the connection structure of tripod plug and tripod socket is firm reliable, and difficult because of the shake not hard up, the security has been improved.

The embodiment also provides an electric vehicle which comprises an electric connecting mechanism, the three-pin plug and the three-pin socket of the electric connecting mechanism are not easy to be separated from each other after being plugged and matched, and the two connecting structures are firm and reliable and are safe and reliable to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an electrical connection mechanism according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an electrical connection mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a three-pin plug according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a partially exploded structure of a three-pin socket according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a three-pin socket according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a fastener according to an embodiment of the present invention.

Icon:

001-an electrical connection mechanism; 100-three-pin plug; 110-a line concentration section; 120-an insertion section; 121-grooves; 130-a live conductor; 140-neutral conductor head; 150-ground conductive head; 160-signal needle; 170-annular retainer ring; 200-a three-prong socket; 210-a socket body; 211-a connecting portion; 212-a receiving tank; 213-a male connection; 214-a conductive receptacle; 215-a pilot port; 216-card slot; 2161-a guide section; 217-a blocking projection; 218-a conductive member; 220-fixing the ring plate; 221-a fixation through hole; 300-a fastener; 310-a backplane; 320-enclosing plates; 330-snap-in projection.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, the present embodiment provides an electrical connection mechanism 001 for being mounted on an electric vehicle, and obviously, the electrical connection mechanism 001 may also be used for being mounted on other electrical devices or electronic products. The electric connection mechanism 001 has firm and reliable structure, is not easy to loosen and is safe and reliable to use.

Referring to fig. 1 and 2, in the present embodiment, the electrical connection mechanism 001 includes a three-pin plug 100, a three-pin socket 200 and a fastener 300, wherein the three-pin plug 100 is used for being plugged and matched with the three-pin socket 200, and the fastener 300 is used for being connected with the three-pin plug 100 and the three-pin socket 200 at the same time, so as to prevent the three-pin plug 100 and the three-pin socket 200 from being separated.

The embodiment provides an electrical connection mechanism 001, including a fastener 300, and a three-pin plug 100 and a three-pin socket 200 that are matched with each other, after the three-pin plug 100 is inserted into the three-pin socket 200, the three-pin plug 100 is connected with the three-pin socket 200 by the fastener 300, the fastener 300 can limit the three-pin plug 100 and the three-pin socket 200 from being far away from each other, that is, the three-pin plug 100 and the three-pin socket 200 are not easy to be far away from each other and separated, the three-pin plug 100 is not easy to be automatically drawn out from the three-pin socket 200, the connection structure of the three-pin plug 100 and the three-pin socket 200 is firm and reliable, and is not easy to loose due to shaking.

Referring to fig. 3, in the present embodiment, the three-pin plug 100 optionally includes a wire collecting portion 110, an inserting portion 120, a hot conducting tip 130, a neutral conducting tip 140, a ground conducting tip 150, and a plurality of signal pins 160. The power cord is accommodated in the line concentration part 110, the line concentration part 110 is fixedly connected with the insertion part 120, and the insertion part 120 is used for being plugged and matched with the three-pin socket 200. The hot conductor 130, neutral conductor 140, ground conductor 150, and signal pins 160 are connected to the insertion portion 120.

Optionally, the live conductor 130, the neutral conductor 140, the ground conductor 150, the plurality of signal pins 160, and the insertion portion 120 are molded as a single body. In other words, the insertion portion 120 is injection-molded outside the live conductor 130, the neutral conductor 140, the ground conductor 150 and the signal pins 160, so that the positions of the live conductor 130, the neutral conductor 140, the ground conductor 150 and the signal pins 160 are relatively fixed, and the use is convenient. Obviously, in order to ensure that the plurality of conductive parts on the three-pin plug 100 are not short-circuited by conductive contact, the insertion portion 120 and the wiring portion 110 are both made of insulating materials, for example, the insertion portion 120 and the wiring portion 110 are both made of plastic.

Optionally, the cross-sectional outer contour of the insertion portion 120 is circular, that is, the cross-sectional outer contour of the insertion portion 120 perpendicular to the axial direction thereof is circular, obviously, in other embodiments, the cross-sectional outer contour of the insertion portion 120 may be square or oval, and the like, which is not illustrated in this embodiment. Optionally, a plurality of grooves 121 are formed in one end surface of the insertion portion 120 away from the line concentration portion 110, a groove bottom of each groove 121 is provided with a fixing groove, and the fixing groove extends into the line concentration portion 110, so that a power line in the line concentration portion 110 extends into the groove 121. In this embodiment, optionally, the number of the grooves 121 is four, and the four grooves 121 are arranged independently.

Further, the outer circumferential surface of the insertion portion 120 is provided with an annular retainer ring 170, the annular retainer ring 170 protrudes outward in the radial direction of the insertion portion 120, and the annular retainer ring 170 has a space from the line concentration portion 110, in other words, the line concentration portion 110, the insertion portion 120, and the annular retainer ring 170 together define an annular groove.

In this embodiment, optionally, the live wire conductive head 130, the zero line conductive head 140, and the ground wire conductive head 150 are all cylindrical rods, and the outer diameters of the live wire conductive head 130 and the zero line conductive head 140 are all greater than the outer diameter of the ground wire conductive head 150, the live wire conductive head 130 and the zero line conductive head 140 can supply a large current to circulate, the ground wire conductive head 150 plays a role in protection, and the ground wire conductive head 150 can save materials, thereby reducing the cost.

In the three-pin plug 100 provided in this embodiment, the live conductor 130, the neutral conductor 140, the ground conductor 150, and the plurality of signal pins 160 are respectively located in the four grooves 121, and the live conductor 130, the neutral conductor 140, the ground conductor 150, and the plurality of signal pins 160 are respectively inserted into the fixing grooves in the corresponding grooves 121, so as to be relatively fixed with the collecting part 110 and the inserting part 120. Portions of the live conductor 130, the neutral conductor 140, the ground conductor 150, and the signal pin 160 are inserted into the fixing grooves, portions are exposed in the grooves 121, and form an annular cavity with the groove peripheral walls of the grooves 121.

It should be noted that the plurality of signal pins 160 are located in the same groove 121, in addition, the number of the fixing grooves in the groove 121 for installing the plurality of signal pins 160 is equal to the number of the signal pins 160, and the plurality of signal pins 160 are correspondingly inserted into the plurality of fixing grooves in the same groove 121 one by one, so that the plurality of signal pins 160 are independent from each other.

Referring to fig. 4 and 5, in the present embodiment, optionally, the three-pin socket 200 includes a socket body 210 and a fixing ring plate 220, and the fixing ring plate 220 is sleeved outside the socket body 210.

Optionally, the socket body 210 has a connection portion 211, an outer profile of a cross section of the connection portion 211 is circular, and a cross section of the connection portion 211 is a plane perpendicular to an extending direction of the connection portion 211. Obviously, the cross-sectional outer contour shape of the connecting portion 211 may also be square or oval, etc. Optionally, an end face of the connecting portion 211 is provided with an accommodating groove 212, the accommodating groove 212 may be a cylindrical groove, a plurality of protruding portions 213 are provided on a bottom wall of the accommodating groove 212, the number of the protruding portions 213 is the same as that of the grooves 121, and the protruding portions 213 are used for being in one-to-one corresponding insertion fit with the grooves 121. Each protruding portion 213 is provided with a conductive jack 214, and after the protruding portion 213 is inserted into and mated with the groove 121, the conductive contacts in the groove 121 are inserted into and mated with the corresponding conductive jacks 214 one by one, so as to electrically connect the three-pin plug 100 and the triangular socket. Optionally, the four conductive jacks 214 on the four convex connection portions 213 are respectively a live jack, a neutral jack, a ground jack and a signal pin jack, a conductive member 218 is disposed in each conductive jack 214, and the live conductive head 130, the neutral conductive head 140, the ground conductive head 150 and the signal pin 160 are respectively electrically connected to the conductive members 218 in the corresponding jacks.

It should be noted that the number of the signal pin insertion holes on the convex connection portion 213 provided with the signal pin insertion holes is set as required, and corresponds to the number of the signal pin heads 160, and each signal pin head 160 is inserted and matched with one signal pin insertion hole.

Further, the outer peripheral surface of the connecting portion 211 is provided with a guide opening 215 and a clamping groove 216 communicated with the guide opening 215, the guide opening 215 extends along the axis of the connecting portion 211, and one end of the guide opening 215 in the extending direction thereof extends to the end surface of the connecting portion 211 provided with the receiving groove 212. The catching groove 216 extends in the circumferential direction of the connecting portion 211. The card slot 216 has a guide section 2161, the guide section 2161 communicates with the guide port 215, and the width of the guide section 2161 in the axial direction of the connecting portion 211 gradually decreases from an end close to the guide port 215 to an end away from the guide port 215, in other words, the width of the guide section 2161 is the largest at the end connected with the guide port 215.

Optionally, the guiding ports 215 and the card slots 216 are used in pairs, in other words, the number of the guiding ports 215 is the same as that of the card slots 216, and the guiding ports 215 and the card slots 216 are matched in a one-to-one correspondence. Alternatively, the number of the card slots 216 may be multiple, and the multiple card slots 216 are arranged at intervals along the circumferential direction of the connecting portion 211. Correspondingly, each slot 216 is provided with a guide port 215 communicated with the slot. In this embodiment, optionally, the number of the card slots 216 and the guide openings 215 is two.

Optionally, the outer peripheral surface of the connecting portion 211 is provided with a blocking protrusion 217, the blocking protrusion 217 has a distance from the guide opening 215 in the circumferential direction of the connecting portion 211, and the blocking protrusion 217 blocks one end of the clamping groove 216 away from the guide opening 215.

In this embodiment, optionally, the fixing ring plate 220 may be a rectangular plate, and the fixing ring plate 220 has a cylindrical hole, and the fixing ring plate 220 is sleeved outside the socket body 210 through the hole. Further, the fixing ring plate 220 is provided with a plurality of fixing through holes 221, for example, the number of the fixing through holes 221 is four, and four fixing through holes 221 are uniformly spaced along the circumferential direction of the fixing ring plate 220. Obviously, the number of the fixing through holes 221 may not be limited to four, and may be three, five, etc.

Note that, a plate surface of the end surface of the fixed ring plate 220 facing the connecting portion 211, where the receiving groove 212 is provided, and a groove peripheral wall of the locking groove 216 are located in the same plane. In other words, the plate surface of the end surface of the fixing ring plate 220 facing the connecting portion 211, where the receiving groove 212 is provided, is a groove peripheral wall of the locking groove 216.

Referring to fig. 6, in the present embodiment, the fastening member 300 is a cover body, the fastening member 300 includes a bottom plate 310 and a surrounding plate 320, the surrounding plate 320 is connected to the bottom plate 310, the surrounding plate 320 extends along the circumferential direction of the bottom plate 310, and the inner circumferential surface of the surrounding plate 320 is provided with a clamping protrusion 330. The number of the catching projections 330 may be one or more, and in this embodiment, two catching projections 330 are provided to be respectively engaged with the two guide holes 215. Optionally, an anti-slip pattern is provided on the outer circumferential surface of the shroud 320.

In the electrical connection mechanism 001 provided in this embodiment, the bottom plate 310 of the fastening member 300 is sleeved outside the insertion portion 120, the fastening member 300 is rotatably connected with the insertion portion 120 around the axis of the insertion portion 120, and the two are relatively fixed on the axis of the insertion portion 120, that is, the bottom plate 310 of the fastening member 300 is limited between the wire concentrating portion 110 and the annular retaining ring 170, and the annular retaining ring 170 is used to block the bottom plate 310 from moving toward the three-prong socket 200, in other words, when the bottom plate 310 is driven to move toward the three-prong socket 200, the bottom plate 310 can drive the three-prong plug 100 to move toward the three-prong socket 200. When the three-pin plug 100 and the three-pin socket 200 are used, the three-pin plug 100 and the three-pin socket 200 are in plug-in fit, after the plug-in is completed, the clamping protrusions 330 on the fasteners 300 correspond to the corresponding guide openings 215, the fasteners 300 are operated to be close to the three-pin socket 200, the clamping protrusions 330 enter the clamping grooves 216 after passing through the guide openings 215, the fasteners 300 are rotated, the clamping protrusions 330 on the fasteners 300 slide in the clamping grooves 216 and abut against the blocking protrusions 217, the fasteners 300 cannot rotate continuously, and therefore the fasteners 300 rotate to the positions for locking the three-pin plug 100 and the three-pin socket 200. When the three-pin plug 100 and the three-pin socket 200 need to be pulled out, the fastener 300 is rotated reversely, so that the clamping protrusion 330 is positioned at the guide opening 215, and then the three-pin plug 100 is pulled out. In other words, the fastener 300 is detachably connected to the tripod socket 200. It is understood that in other embodiments, the fastener 300 may be removably coupled to the three-prong plug 100 or both the three-prong plug 100 and the three-prong receptacle 200, for example, the fastener 300 may be threadably coupled to both the three-prong plug 100 and the three-prong receptacle 200.

The electrical connection mechanism 001, the three-pin plug 100 and the three-pin socket 200 provided by the embodiment are firmly and reliably matched and are not easy to loose.

The embodiment further provides an electric vehicle, which comprises the electric connection mechanism 001, and a module on the electric vehicle is connected with a power supply through the electric connection mechanism 001. For example, a display screen module, an instrument panel module, and the like of the electric vehicle are connected to a power supply via the electrical connection mechanism 001. During actual installation, screws are inserted into the fixing through holes 221 in the fixing ring plate 220 on the three-pin socket 200, the three-pin socket 200 is fixed on the electric vehicle by the screws, and then the three-pin plug 100 connected with a power supply is inserted and matched with the three-pin socket 200. The connecting structure of the electric connecting mechanism 001 is firm and reliable, is not easy to loosen, is not easy to break down, and is safe and reliable to use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electrical connection mechanism, comprising:

the three-pin plug is used for being in plug-in fit with the three-pin socket, and the fastener is used for being connected with the three-pin plug and the three-pin socket simultaneously so as to prevent the three-pin plug and the three-pin socket from being separated in plug-in fit.

2. The electrical connection mechanism of claim 1, wherein:

the fastener is removably connected with at least one of the three-prong plug and the three-prong socket.

3. The electrical connection mechanism of claim 1, wherein:

the fastener is threadably connected to at least one of the three-prong plug and the three-prong socket.

4. The electrical connection mechanism of claim 1, wherein:

the fastener is rotatably connected with the three-pin plug and the three-pin plug are relatively fixed in the extension direction of the inserted rod of the plug; it is protruding to be equipped with the joint on the fastener, the tripod socket is equipped with connecting portion, the outer peripheral face of connecting portion be equipped with the direction mouth and with the draw-in groove of direction mouth intercommunication, the direction mouth extends to along its extending direction's one end on the terminal surface of connecting portion, the draw-in groove is followed the circumference of connecting portion extends, the joint is protruding can be followed direction mouth department gets into the draw-in groove, and follow the extending direction of draw-in groove with draw-in groove sliding fit.

5. The electrical connection mechanism of claim 4, wherein:

the clamping groove is provided with a guide section, and the groove width of the guide section in the extending direction of the jacks of the three-pin socket is gradually reduced from one end close to the guide opening to one end far away from the guide opening.

6. The electrical connection mechanism of claim 4, wherein:

the outer peripheral face of the connecting portion is provided with a blocking protrusion, and when the clamping protrusion rotates relative to the three-pin socket, the clamping protrusion abuts against the blocking protrusion to limit the rotation range of the clamping protrusion.

7. The electrical connection mechanism of claim 4, wherein:

the connecting part is provided with a plurality of mutually independent clamping grooves which are arranged at intervals along the circumferential direction of the connecting part.

8. The electrical connection mechanism of claim 1, wherein:

the three-pin socket comprises a live wire jack, a zero line jack and a ground wire jack, wherein the inner diameter of the ground wire jack is smaller than that of the live wire jack and that of the zero line jack.

9. The electrical connection mechanism of claim 1, wherein:

the electric connection mechanism further comprises a sealing ring, and the sealing ring is arranged at the connecting position of the three-pin plug and the three-pin socket.

10. An electric vehicle, characterized in that the electric vehicle comprises:

the electrical connection mechanism of any one of claims 1-9.

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