CN221009371U - Magnetic motor wire and electric vehicle - Google Patents

Abstract

The application provides a magnetic motor wire and an electric vehicle, and relates to the technical field of electric vehicles. The magnetic attraction motor wire comprises a first connecting end, a second connecting end, a first magnet group and a second magnet group, wherein the first connecting end is used for being in plug-in fit with the second connecting end; the first magnet group is arranged at the first connecting end, the second magnet group is arranged at the second connecting end, and the first magnet group and the second magnet group are matched to attract each other when the first connecting end and the second connecting end are correctly inserted, and repel each other when the first connecting end and the second connecting end are incorrectly inserted. The structural design of the motor wire can reduce the plugging difficulty, improve the plugging efficiency and reduce the probability of damaged pins.

Description

Magnetic motor wire and electric vehicle

Technical Field

The utility model relates to the technical field of electric vehicles, in particular to a magnetic motor wire and an electric vehicle.

Background

In a conventional electric vehicle, a controller is electrically connected with an instrument panel or an executing member, such as a vehicle lamp, a brake, a motor, an electric quantity switch and the like, through a plug structure. For example, a power line is led out from the controller, the end of the power line is a male plug, a power line is led out from the executing piece, the end of the power line is a female plug, and the male plug and the female plug are in plug-in fit. In the prior art, in order to avoid errors, namely to avoid wrong butt joint of positive and negative electrodes, the male-end plug and the female-end plug are required to be provided with a foolproof structure or a mark, and operators are reminded by the foolproof structure or the mark during plugging operation, so that the misoperation probability is reduced.

Therefore, the plugging efficiency is low, misoperation is easy to occur, and the fault rate of the plug is improved.

Disclosure of utility model

The utility model aims to provide a magnetic motor wire and an electric vehicle, which can reduce the plugging difficulty, improve the plugging efficiency and reduce the probability of damaging a contact pin.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a magnetic attraction motor wire comprising:

The first connecting end is used for being in plug-in fit with the second connecting end; the first magnet group is arranged at the first connecting end, the second magnet group is arranged at the second connecting end, and the first magnet group and the second magnet group are matched so as to attract each other when the first connecting end and the second connecting end are correctly spliced and repel each other when the first connecting end and the second connecting end are incorrectly spliced.

In an alternative embodiment, the first connection end has a first end face, the first magnet group being mounted on the first end face;

The second connecting end is provided with a second end face, and the second magnet group is arranged on the second end face; the first end face and the second end face are opposite to each other when the first connecting end and the second connecting end are connected in an inserting mode.

Based on the scheme, the first magnet group and the second magnet group are respectively arranged on the first end face and the second end face, when the first connecting end and the second connecting end are mutually opposite to each other, the distance between the first end face and the second end face is relatively short, the magnetic force of the first magnet group and the magnetic force of the second magnet group are relatively large, and in the process that the first connecting end and the second connecting end are gradually close to each other, the first magnetic force group and the second magnetic force group can quickly feed back whether the first connecting end and the second connecting end are correctly aligned or not, and operators can be guided to correctly operate when the first connecting end and the second connecting end are not contacted, so that the situation that the first connecting end and the second connecting end are only fed back after the first connecting end and the second connecting end are partially contacted is avoided, and the fault rate is reduced.

In an alternative embodiment, a first mounting groove is provided on the first end face, and the first magnet group is embedded in the first mounting groove.

Based on above-mentioned scheme, first magnetic force group is located in first mounting groove, and the simple to operate of first magnetic force group is swift, and closely with the cooperation of first link, and the two combines the fastness high. The part of the first magnetic force group is exposed outside the first positioning groove, so that the magnetic force is not easy to influence.

In an alternative embodiment, a second mounting groove is provided on the second end face, and the second magnet group is embedded in the second mounting groove.

Based on above-mentioned scheme, the second magnetic force group is located in the second mounting groove, and the simple to operate of second magnetic force group is swift, and closely with the cooperation of second link, and the two combines the fastness high. The part of the second magnetic force group is exposed outside the second positioning groove, so that the magnetic force is not easy to influence.

In an alternative embodiment, the first magnet group includes a plurality of first magnets, and the plurality of first magnets are arranged in a central symmetry manner; the second magnet comprises a plurality of second magnets which are arranged in a central symmetry mode, the plurality of first magnets are matched with the plurality of second magnets in a one-to-one correspondence mode, the first magnets and the second magnets which are matched with each other are mutually attracted when the first connecting end and the second connecting end are correctly inserted, and the first magnets and the second magnets are mutually repelled when the first connecting end and the second connecting end are incorrectly inserted.

Based on above-mentioned scheme, the simple structure of first magnet and second magnet, the manufacturing and processing of being convenient for, use cost is low, and magnetic force duration is long, long service life.

In an alternative embodiment, the first connection end is provided with a plurality of first plug structures, the second connection end is provided with a plurality of second plug structures, one of the first plug structures and the second plug structures is a pin, the other is a socket, and the first plug structures are used for being in plug fit with the second plug structures.

Based on the scheme, after the first connecting end and the second connecting end are correctly plugged, the first plugging structure and the second plugging structure are plugged and electrically connected, so that signal transmission of the first connecting end and the second connecting end can be realized.

In an alternative embodiment, the magnetic attraction motor wire further comprises a buckle mechanism, the buckle mechanism is mounted at the first connecting end, the buckle mechanism is provided with a first position and a second position which are mutually switched, and when the buckle mechanism is in the first position, the first connecting end and the second connecting end are simultaneously connected with the buckle mechanism so as to be locked by the buckle mechanism; and when the first connecting end is positioned at the second position, the locking mechanism releases the locking of the first connecting end and the second connecting end.

Based on above-mentioned scheme, after first link and second link grafting cooperation, switch buckle mechanism to the first position again, utilize buckle mechanism to strengthen the connection fastness of first link and second link this moment, first link and second link be difficult for droing, use safe and reliable.

In an alternative embodiment, the fastening mechanism comprises a rotating shaft and a clamping plate, wherein the rotating shaft is connected with the first connecting end, and the clamping plate is installed on the rotating shaft and is rotatably connected with the first connecting end; the clamping plate is provided with a first back-off, a second back-off is arranged on the second connecting end, and the first back-off is matched with the second back-off in a detachable clamping mode.

Based on the scheme, the buckle mechanism is simple in structure, convenient to install and convenient to operate.

In an alternative embodiment, the fastening mechanism further includes an elastomer, the elastomer is connected with the first connection end, the clamping plate abuts against the elastomer, and the elastomer is used for enabling the clamping plate to have a rotation tendency close to the second back-off.

Based on above-mentioned scheme, after the cooperation of the second back-off joint on first back-off and the second connection on the cardboard, under the elasticity effect of elastomer, first back-off and second back-off can remain the joint all the time to improve stability.

In a second aspect, the present utility model provides an electric vehicle including:

A magnetically attractable motor wire as claimed in any one of the preceding embodiments.

The embodiment of the utility model has the beneficial effects that:

In summary, the magnetic attraction motor wire provided in this embodiment, through setting up first magnet group and second magnet group respectively at first link and second link, when first link and second link are to inserting, operating personnel need not to look over whether first link and second link are correctly aligned, that is, whether there is the condition of reverse grafting promptly, only need make first link and second link be close to each other, if first link and second link align the mode correctly, then first magnet group and the relative magnetic pole of second magnet group are different, first magnet group and second magnet group directly adsorb each other, guide operating personnel to insert first link and second link fast. If the first connecting end and the second connecting end are not aligned in a correct mode, namely, the situation of reverse alignment occurs, at the moment, the opposite magnetic poles of the first magnet group and the second magnet group are the same, and according to the principle that like poles repel each other, the first connecting end and the second connecting end cannot be close to each other, so that opposite insertion cannot be realized, and an operator is prompted to adjust the state and then insert again. Therefore, before plugging, the step that an operator specially checks whether the first magnet group and the second magnet group are correctly plugged is omitted, the plugging efficiency is improved, and even if the first magnet group and the second magnet group are reversely plugged at the beginning, the first connecting end and the second connecting end cannot be plugged due to the mutually exclusive design of the first magnet group and the second magnet group, and the first connecting end and the second connecting end are not easy to damage due to errors.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a magnetic attraction motor wire according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a mating structure of a first connecting end and a fastening mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a second connection end according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a first connector and a snap mechanism according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a card board according to an embodiment of the utility model.

Icon:

100-a first connection; 110-a first end face; 111-a first mounting groove; 120-a first plug structure; 200-a second connection terminal; 210-a second end face; 211-a second mounting groove; 220-a second plug structure; 230-second back-off; 300-a first magnet set; 400-a second magnet set; 500-a snap-fit mechanism; 510-rotating shaft; 520-clamping plate; 521-first back-off; 522-positioning grooves; 530-elastomer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its 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 utility model, it should also be noted that, unless explicitly specified and limited otherwise, 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the prior art, in order to avoid damaging the pin by misoperation when the male and female heads are plugged, the male and female heads are forced to be plugged and matched by external force under the condition that the male and female heads are not aligned correctly, foolproof structures or butt joint marks are generally arranged on the male and female heads, operators are required to confirm whether the male and female heads are aligned correctly before plugging, and therefore, a long time is required. In addition, in some occasions, the space is limited, the visual field is limited, the specific opposite insertion condition of the male and female heads cannot be clearly observed, the reverse insertion matching condition exists, the male and female heads are damaged, and the whole circuit is affected.

In view of this, the designer provides a magnetic motor line, and it can reduce the to-plug degree of difficulty, saves to-plug time, improves to-plug efficiency, and reduces to-plug error rate, not fragile plug and socket.

Referring to fig. 1-3, in the present embodiment, the magnetic attraction motor wire includes a first connection end 100, a second connection end 200, a first magnet set 300 and a second magnet set 400, where the first connection end 100 is configured to be in plug-in fit with the second connection end 200; the first magnet assembly 300 is mounted to the first connection end 100, the second magnet assembly 400 is mounted to the second connection end 200, and the first magnet assembly 300 and the second magnet assembly 400 cooperate to attract each other when the first connection end 100 and the second connection end 200 are properly inserted, and to repel each other when the first connection end 100 and the second connection end 200 are improperly inserted.

In view of the above, the working principle of the magnetic attraction motor wire provided in this embodiment is as follows:

By providing the first magnet assembly 300 and the second magnet assembly 400 at the first connection end 100 and the second connection end 200, respectively, when the first connection end 100 and the second connection end 200 are inserted, an operator does not need to check whether the first connection end 100 and the second connection end 200 are aligned correctly, that is, whether reverse insertion exists, and only needs to make the first connection end 100 and the second connection end 200 close to each other, if the first connection end 100 and the second connection end 200 are aligned correctly, the opposite magnetic poles of the first magnet assembly 300 and the second magnet assembly 400 are different, the first magnet assembly 300 and the second magnet assembly 400 are directly adsorbed to each other, and the operator is guided to insert the first connection end 100 and the second connection end 200 quickly. If the first connection end 100 and the second connection end 200 are not aligned in a correct manner, that is, a situation of opposite alignment occurs, at this time, the opposite magnetic poles of the first magnet set 300 and the second magnet set 400 are the same, and according to the principle of like poles repel each other, the first connection end 100 and the second connection end 200 cannot approach each other, so that the opposite insertion cannot be realized, and an operator is prompted to adjust the state and then insert again. In this way, before plugging, the step that an operator specially checks whether to correctly dock is omitted, so that the plugging efficiency is improved, and even if the first and second magnet sets 300 and 400 are plugged in opposite directions at the beginning, the first and second connection ends 100 and 200 cannot be plugged due to the mutually exclusive design of the first and second magnet sets, and the first and second connection ends 100 and 200 are not easily damaged due to errors.

The following examples are presented to illustrate the details of the structure of the magnetically attractable motor wire provided by the present application in an illustrative manner.

Referring to fig. 1-4, in this embodiment, optionally, the magnetic motor wire includes a first connection end 100, a second connection end 200, a first magnet set 300, a second magnet set 400, and a fastening mechanism 500. The first connection end 100 is used for being in plug-in fit with the second connection end 200; the first magnet assembly 300 is mounted to the first connection end 100, the second magnet assembly 400 is mounted to the second connection end 200, and the first magnet assembly 300 and the second magnet assembly 400 cooperate to attract each other when the first connection end 100 and the second connection end 200 are properly inserted, and to repel each other when the first connection end 100 and the second connection end 200 are improperly inserted. The fastening mechanism 500 is mounted on the first connection end 100, and the fastening mechanism 500 has a first position and a second position that are switched to each other, and when in the first position, the first connection end 100 and the second connection end 200 are simultaneously connected with the fastening mechanism 500 so as to be locked by the fastening mechanism 500; in the second position, the catch mechanism 500 releases the lock on the first and second connection ends 100, 200.

So design, after first link 100 and second link 200 are pegged graft correctly, utilize buckle mechanism 500 to further lock first link 100 and second link 200, so, first link 100 and second link 200 not only rely on grafting complex frictional force to realize locking, still rely on the magnetic force locking of first magnet group 300 and second magnet group 400, still rely on buckle mechanism 500 to realize locking, the combination of first link 100 and second link 200 is firm, difficult pine takes off, the fault rate is low, long service life.

Referring to fig. 1 and fig. 2, optionally, the first connection end 100 has a first end surface 110, and a plurality of first socket structures 120 are fixed on the first end surface 110, where the first socket structures 120 may be pins or sockets, for example, in this embodiment, the first socket structures 120 are sockets. The plurality of first plugging structures 120 are arranged on the first end surface 110 at intervals. Meanwhile, two first mounting grooves 111 are formed in the first end face 110, the two first mounting grooves 111 are arranged in a central symmetry mode, and the plurality of first plug structures 120 are located between the two first mounting grooves 111.

Referring to fig. 1 and fig. 3, the second connecting end 200 has a second end surface 210, a plurality of second plugging structures 220 are fixed on the second end surface 210, the number of the second plugging structures 220 is equal to that of the first plugging structures 120, and the second plugging structures 220 may be pins or sockets, for example, in this embodiment, the second plugging structures 220 are pins. The plurality of second plugging structures 220 are arranged on the second end surface 210 at intervals. Meanwhile, two second mounting grooves 211 are arranged on the second end face 210, the two second mounting grooves 211 are arranged in a central symmetry mode, and a plurality of second plug structures 220 are located between the two second mounting grooves 211. When the first connection end 100 and the second connection end 200 are plugged, the first plug structure 120 and the corresponding second plug structure 220 are plugged, so as to realize electrical connection. That is, the pin and the socket are conductive members, and after the pin is inserted into the socket, the pin is in conductive contact with the socket, so that power, signals and the like can be transmitted.

Optionally, the first magnet set 300 includes a plurality of first magnets, and the first magnets are permanent magnets. For example, in the present embodiment, the number of the first magnets is two, and the two first magnets are respectively embedded in the two first mounting grooves 111. It should be appreciated that the first magnets may be bar magnets having a south pole and a north pole, the poles of the two first magnets near the first end face 110 being different, e.g., the south pole of one of the two first magnets near the first end face 110, then the north pole of the other of the two first magnets near the end face.

Correspondingly, the second magnet set 400 includes a plurality of second magnets, which are permanent magnets. For example, in the present embodiment, the number of the second magnets is two, and the two second magnets are respectively embedded in the two second mounting grooves 211. It should be appreciated that the second magnets may be bar magnets having a south pole and a north pole, the poles of the two second magnets being different near the second end face 210. The two first magnets and the two second magnets are in one-to-one correspondence, and in the plugging process of the first connection end 100 and the second connection end 200, the magnetic force directions generated by all the first magnets and the second magnets which are mutually matched are the same, that is, when the first connection end 100 and the second connection end 200 are correctly plugged, the first magnets and the second magnets of each pair are in a mutually attracted state, and when the first connection end 100 and the second connection end 200 are incorrectly plugged, that is, reversely plugged, the first magnets and the magnets of each pair are in a mutually repulsive state.

It should be understood that the number of first magnets and second magnets is equal but not limited to two. Through the cooperation of many pairs of magnets, can strengthen magnetic force, reduce the probability of misplug to improve the security and the reliability to inserting.

Further, the number of the first mounting grooves 111 is equal to the number of the first magnets and is not limited to two, and the number of the second mounting grooves 211 is equal to the number of the second magnets and is not limited to two. Each first magnet is inserted into the corresponding first mounting groove 111, and the position of the first magnet is firm and reliable, and the first magnet is tightly matched with the first connecting end 100, so that the first magnet is not easy to fall off. Each second magnet is inserted in the corresponding second mounting groove 211, the position of the second magnet is firm and reliable, and the second magnet is tightly matched with the second connecting end 200, so that the second magnet is not easy to fall off.

Referring to fig. 1, 4 and 5, the fastening mechanism 500 includes a rotating shaft 510, a clamping plate 520 and an elastic body 530. The rotating shaft 510 is connected to the first connecting end 100, and the clamping plate 520 is mounted on the rotating shaft 510 and rotatably connected to the first connecting end 100. The clamping plate 520 has a first side and a second side opposite to each other, the rotating shaft 510 is located between the first side and the second side, the first side is provided with a first back-off 521, the second connecting end 200 is provided with a second back-off 230, and the first back-off 521 is detachably engaged with the second back-off 230. The elastic body 530 is connected to the first connecting end 100, and a position of the card 520 near the second side abuts against the elastic body 530, or the elastic body 530 abuts against a position of the card 520 between the rotating shaft 510 and the second side, where the elastic body 530 is used to make the card 520 have a rotation tendency near the second back-off 230. So designed, after the first connection end 100 and the second connection end 200 are in plug-in fit, the buckling mechanism 500 is switched to the first position, and at this time, the connection firmness of the first connection end 100 and the second connection end 200 is enhanced by the buckling mechanism 500, so that the first connection end 100 and the second connection end 200 are not easy to fall off, and the use is safe and reliable. In addition, when the fastening mechanism 500 is located at a position where the first connection end 100 and the second connection end 200 are locked, the first back-off 521 and the second back-off 230 can be always clamped under the elastic force of the elastic body 530, so as to improve stability.

Further, the clamping plate 520 is provided with a positioning groove 522, the elastic body 530 is a rubber column, the elastic body 530 is inserted into the positioning groove 522, the position of the elastic body 530 is stable, the deformation is stable, and the provided elastic force is stable.

The magnetic motor line provided in this embodiment, through the cooperation of first magnetic force group and second magnetic force group, can guide the grafting when first link 100 and second link 200 are correctly inserted, also can be in time feedback when first link 100 and second link 200 are wrong to inserting, and be difficult for the two to be in the same place with the wrong mode grafting, easy operation is convenient, and the reliability is high.

The embodiment also provides an electric vehicle, which comprises the magnetic motor wire of the embodiment, has the advantages of convenient and quick insertion, high safety and the like, and obviously, the electric vehicle also comprises other parts capable of realizing the basic functions of the electric vehicle, so that repeated and redundant description is avoided, and detailed description is omitted in the embodiment.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A magnetic attraction motor wire, comprising:

the device comprises a first connecting end (100), a second connecting end (200), a first magnet group (300) and a second magnet group (400), wherein the first connecting end (100) is used for being in plug-in fit with the second connecting end (200); the first magnet group (300) is mounted at the first connecting end (100), the second magnet group (400) is mounted at the second connecting end (200), and the first magnet group (300) and the second magnet group (400) are matched so as to attract each other when the first connecting end (100) and the second connecting end (200) are correctly plugged, and repel each other when the first connecting end (100) and the second connecting end (200) are incorrectly plugged.

2. A magnetically attractable motor wire according to claim 1, wherein:

The first connection end (100) has a first end face (110), the first magnet group (300) being mounted on the first end face (110);

The second connection end (200) has a second end face (210), the second magnet group (400) being mounted on the second end face (210); the first end face (110) and the second end face (210) are opposite to each other when the first connecting end (100) and the second connecting end (200) are connected in an inserting mode.

3. A magnetically attractable motor wire according to claim 2, wherein:

The first end face (110) is provided with a first mounting groove (111), and the first magnet group (300) is embedded into the first mounting groove (111).

4. A magnetically attractable motor wire according to claim 2, wherein:

The second end face (210) is provided with a second mounting groove (211), and the second magnet group (400) is embedded into the second mounting groove (211).

5. A magnetically attractable motor wire according to claim 1, wherein:

The first magnet group (300) comprises a plurality of first magnets which are arranged in a central symmetry manner; the second magnet comprises a plurality of second magnets which are arranged in a central symmetry mode, the plurality of first magnets are matched with the plurality of second magnets in a one-to-one correspondence mode, the first magnets and the second magnets which are matched with each other are attracted to each other when the first connecting end (100) and the second connecting end (200) are correctly inserted, and the first magnets and the second magnets are mutually repelled when the first connecting end (100) and the second connecting end (200) are incorrectly inserted.

6. A magnetically attractable motor wire according to claim 1, wherein:

The first connecting end (100) is provided with a plurality of first plug structures (120), the second connecting end (200) is provided with a plurality of second plug structures (220), one of the first plug structures (120) and the second plug structures (220) is a pin, the other is a plug cylinder, and the first plug structures (120) are used for being in plug fit with the second plug structures (220).

7. A magnetically attractable motor wire according to any one of claims 1-6, wherein:

the magnetic motor wire further comprises a clamping mechanism (500), the clamping mechanism (500) is mounted at the first connecting end (100), the clamping mechanism (500) is provided with a first position and a second position which are mutually switched, and when the clamping mechanism is in the first position, the first connecting end (100) and the second connecting end (200) are simultaneously connected with the clamping mechanism (500) so as to be locked by the clamping mechanism (500); in the second position, the snap mechanism (500) releases the locking of the first (100) and second (200) connection ends.

8. The magnetically attractable motor wire of claim 7 wherein:

the clamping mechanism (500) comprises a rotating shaft (510) and a clamping plate (520), the rotating shaft (510) is connected with the first connecting end (100), and the clamping plate (520) is installed on the rotating shaft (510) and is rotatably connected with the first connecting end (100); the clamping plate (520) is provided with a first back-off (521), the second connecting end (200) is provided with a second back-off (230), and the first back-off (521) is in releasable clamping fit with the second back-off (230).

9. The magnetically attractable motor wire of claim 8 wherein:

The fastening mechanism (500) further comprises an elastic body (530), the elastic body (530) is connected with the first connecting end (100), the clamping plate (520) is abutted to the elastic body (530), and the elastic body (530) is used for enabling the clamping plate (520) to have a rotation trend close to the first back-off (521).

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

a magnetically attractable motor wire as claimed in any one of claims 1 to 9.