CN220774935U - Anti-sparking battery patch cord - Google Patents

Abstract

The utility model relates to an adapter wire and discloses an anti-ignition battery adapter wire. The battery plug connector comprises a battery plug connector, the battery plug connector comprises a male head, the male head comprises a male head shell, male head wiring terminals are respectively arranged in the male head shell, an inserting port is formed in one end of the male head shell, a wiring port for connecting a lead is formed in the other end of the male head shell, a connecting spring piece is further arranged in the male head shell, one end of the connecting spring piece is arranged at the inserting port and is separated from one end of the male head wiring terminal, the other end of the connecting spring piece is in contact with the other end of the male head wiring terminal, and a resistor or a capacitor is arranged on the connecting spring piece. The utility model can realize that the battery patch cord releases the positive current to the terminal of the rider end through the resistor or the capacitor when being inserted into the discharging interface of the battery end, so that the rider end and the battery end form a positive potential, the sparking phenomenon is removed, the electric erosion condition caused by arc discharge is avoided, and the lithium battery is safer to use.

Description

Anti-sparking battery patch cord

Technical Field

The utility model relates to an adapter wire, in particular to an anti-ignition battery adapter wire.

Background

When the lithium battery supplies power to the battery car, the lithium battery is generally connected to the electric bicycle through the adapter wire and the battery end discharging interface thereof to discharge.

The conventional switching wire generally comprises a power supply conversion head and a battery plug connector which is plugged with a battery end discharging interface, and arcing can be generated in the plugging process of the battery plug connector and the battery end discharging interface to cause electric erosion, so that the socket connector is ignited.

Disclosure of Invention

The utility model provides a battery patch cord aiming at the problems in the prior art.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the utility model provides a prevent battery patch cord that fires, including connecting wire, connecting wire's both ends are connected with power conversion head and battery plug connector respectively, battery plug connector includes public head, public head includes public head casing, be equipped with public head binding post in the public head casing respectively, public head casing one end is equipped with the interface, the other end is equipped with the wiring mouth that supplies connecting wire to insert, still be equipped with in the public head casing and connect the shell fragment, connect shell fragment one end setting in interface department and with public head binding post's one end part separation, connect the other end and the contact of public head binding post's another tip of shell fragment, be equipped with resistance or electric capacity on the connection shell fragment.

Preferably, the connecting wire comprises a bus and two branching lines arranged at the end part of the bus, one end of the male head shell is provided with two wiring ports, the two branching lines are respectively connected into the two wiring ports, and the power conversion head is a two-core power conversion head.

Preferably, a terminal installation cavity for installing a male terminal is formed in the male housing, two ends of the terminal installation cavity are open and respectively form an inserting port and a wiring port, and the male terminal comprises an inserting section and a wiring section which extend towards the inserting port and the wiring port respectively; the connecting spring piece comprises a first metal sheet and a second metal sheet which are connected to two ends of the resistor or the capacitor, the first metal sheet is fixed at the plug-in interface and a gap is reserved between the first metal sheet and the plug-in section, and the second metal sheet is positioned in the terminal mounting cavity and the wiring section is abutted against the second metal sheet.

Preferably, the inner wall of the terminal installation cavity is provided with a limiting piece limited on the inserting section, and the male connecting terminal is limited in the terminal installation cavity under the interaction of the limiting piece and the second metal sheet. The combined action of the limiting piece and the second metal sheet realizes the installation and limiting of the male connecting terminal in the terminal installation cavity, and the structure is simple, the installation is convenient and the stability is good.

Preferably, an L-shaped stepped groove is formed on the upper surface of the plug section, a plate-shaped limiting piece is arranged on the upper surface of the plug section in a manner that the plate surface is perpendicular to the axial direction of the male connecting terminal, a limiting hole for the plug section to pass through is formed in the limiting piece, the plate surface of the vertical surface limiting piece of the L-shaped stepped groove is matched when the limiting piece limits the male connecting terminal, and the horizontal surface of the L-shaped stepped groove is matched with the upper end surface of the limiting hole. The L-shaped stepped groove and the limit hole are matched, so that the axial limit of the male connecting terminal can be realized, the rotation limit of the male connecting terminal can be realized, and the working stability of the male connecting terminal is ensured.

Preferably, the end of the second metal sheet forms a bending elastic sheet, the lower end face of the wiring section is abutted against the bending elastic sheet, and the bending elastic sheet has a tendency of pushing the wiring section to move upwards. The end part of the male connecting terminal is downwards extruded to form the bending elastic sheet, so that the bending elastic sheet provides reverse elastic force for the male connecting terminal, the end part of the male connecting terminal can be always abutted against the bending elastic sheet, and the working stability is ensured.

Preferably, the male head shell is provided with a plug-in part, the plug-in part comprises a rectangular hole-shaped plug-in hole and a rectangular groove-shaped plug-in block, the plug-in block comprises a bottom plate, two side plates and an end plate positioned at the plug-in port, the end part of the first metal sheet is bent to form a U-shaped bending part with a downward opening, and the U-shaped bending part is clamped on the end plate from top to bottom. The U-shaped bending part formed by bending realizes the mounting and fixing of the first metal sheet at the plug-in port, and has the advantages of simple structure, convenient mounting and no need of arranging redundant fixed connecting pieces.

Preferably, the upper end face of the end plate is provided with a mounting groove, the U-shaped bending part is clamped in the mounting groove, and the U-shaped bending part is flush with the upper end face of the side plate. The U-shaped bending part installation space is reserved on the end plate, interference of the U-shaped bending part is avoided when the male head and the female head are inserted, the whole structure is more compact, and the installation groove can also play a role in stabilizing and limiting the installation and fixation of the first metal sheet.

Preferably, the lower end surface of the male housing is provided with an elastic piece installation housing, an elastic piece installation cavity is formed in the elastic piece installation housing, a resistor or a capacitor is installed in the elastic piece installation cavity, the elastic piece installation housing is provided with a first extending hole for extending a first metal sheet, and the lower end wall of the male housing is provided with a second extending hole which is communicated with the elastic piece installation cavity and is used for extending a second metal sheet into the terminal installation cavity. The setting of shell fragment installation casing makes things convenient for the installation of connection shell fragment on the public first casing, compact structure, and position arrangement is reasonable.

Preferably, the male housing is provided with a handle, the handle is configured into a T shape comprising a vertical connecting part and a transverse force application part, and the vertical connecting part is arranged on the outer surface of the male housing. The handle can be conveniently inserted and separated between the male head and the female head, and is convenient to operate.

The utility model has the remarkable technical effects due to the adoption of the technical scheme:

according to the utility model, the battery plug connector with the ignition prevention function is arranged on the battery switching line, so that when the battery plug connector is plugged with the battery end discharging interface, positive current is released to the terminal of the rider end through the resistor or the capacitor, so that the rider end and the battery end form a positive potential, the ignition phenomenon is removed, the electric erosion condition caused by arc discharge is avoided, and the lithium battery is safer to use.

Drawings

FIG. 1 is a schematic view of the assembly of the anti-ignition battery plug pair and battery of the present utility model.

Fig. 2 is a schematic view of the structure of the battery in fig. 1.

Fig. 3 is a schematic view of the plug pair of the ignition battery in fig. 1.

Fig. 4 is a schematic structural diagram of a battery patch cord in embodiment 1 of the present utility model.

Fig. 5 is a schematic view of the male structure of fig. 3.

Fig. 6 is a partial internal schematic view of fig. 5.

Fig. 7 is a cross-sectional view of fig. 5.

Fig. 8 is a schematic structural diagram of the connecting spring in fig. 5.

Fig. 9 is a schematic diagram of the structure of the male terminal or female terminal electronics of fig. 5.

Fig. 10 is a schematic diagram of the operation of embodiment 1 of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Example 1

In this embodiment, as shown in fig. 1 to 10, there is provided an ignition and discharge prevention system, which includes a battery and a battery patch cord connected to the battery 4;

the battery in this embodiment is provided with a female head, the battery 4 includes a lithium battery main body 401, one end of the lithium battery main body 401 is provided with a battery upper cover plate 402, a groove 403 is provided on the battery upper cover plate 402, a discharging port 404 is provided on a side wall of the groove 403, the female head 2 is arranged at the discharging port 404, the other end of the lithium battery main body 401 is provided with a battery lower cover plate 405, and a charging port 406 is provided at the battery lower cover plate 405. The charging port 406 is used to enable the battery compartment to charge the battery.

The arrangement of the grooves can prevent the female head from protruding out of the upper cover plate of the battery, and then the female head is protected, so that the female head and the male head inserted into the female head can reduce external collision.

The groove 403 is a stepped groove with an L-shaped longitudinal section, and the discharge port 404 is provided on a vertical surface of the groove 403. The recess 403 is L shape ladder groove, can be convenient for public first 1 plug for the handle has better space of action at plug in-process, and public first 1 of being convenient for can be at horizontal plane interpolation pull, in order to further improve public first 1 plug's convenience, designs this recess in the corner of battery upper cover plate, makes it have only two vertical faces, the operating personnel application of force of being convenient for that then can be better.

The battery patch cord in this embodiment is an anti-sparking battery patch cord, and it includes connecting wire 3, and the both ends of connecting wire 3 are connected with power conversion head 301 and battery plug connector 302 respectively, and the battery plug connector includes public head, and public head and female head can peg graft each other and constitute the battery plug pair of preventing sparking that charges to the electric motor car and can play the function of preventing sparking.

The connecting wire 3 includes a bus and two wires 303 disposed at the end of the bus, one end of the male housing 101 is provided with two wire connection ports 107, the two wires 303 are respectively connected into the two wire connection ports 107, and the power conversion head 301 is a two-core power conversion head 301. In the power supply process, the battery plug connector is plugged on the female head of the battery, and the power supply conversion head is plugged on the electric vehicle so as to supply power to the electric vehicle.

The anti-sparking battery plugging pair specifically comprises a male head 1 and a female head 2 which is plugged with the male head 1, wherein the female head 2 and the male head 1 respectively comprise a female head shell 201 and a male head shell 101, a female head wiring terminal and a male head wiring terminal 102 are respectively arranged in the female head shell 201 and the male head shell 101, a plugging port 103 for the female head wiring terminal to be plugged in is arranged at one end of the male head shell 101, a connecting elastic piece 104 is also arranged in the male head shell 101, one end of the connecting elastic piece 104 is arranged at the plugging port 103 and is separated from one end of the male head wiring terminal 102, the other end of the connecting elastic piece 104 is contacted with the other end of the male head wiring terminal 102, and a resistor or capacitor 105 is arranged on the connecting elastic piece 104.

When the male head 1 and the female head 2 are mutually inserted, the positive terminal of the female head 2 is inserted through the insertion port 103 and is firstly contacted with the end of the connecting elastic sheet 104, positive current is released to the male head terminal 102 through a resistor on the connecting elastic sheet 104, so that the male head 1 and the female head 2 form positive potential, the sparking phenomenon is removed, and the electric erosion condition caused by arc striking is avoided.

Then, as the female connecting terminal is continuously inserted into the inserting port 103 to be contacted and conducted with the male connecting terminal 102, the male 1 and the female 2 are inserted, and then the battery is used for supplying power to the electric vehicle.

In this embodiment, a terminal installation cavity 106 for installing a male terminal 102 is formed in the male housing 101, two ends of the terminal installation cavity 106 are open and respectively form an inserting port 103 and a wiring port 107, and the male terminal 102 includes an inserting section 108 and a wiring section 109 extending toward the inserting port 103 and the wiring port 107 respectively; the connecting spring plate 104 comprises a first metal sheet 110 and a second metal sheet 111 which are connected to two ends of the resistor or capacitor 105, the first metal sheet 110 is fixed at the plug-in port 103 and a gap is reserved between the first metal sheet 110 and the plug-in section 108, the second metal sheet 111 is located in the terminal mounting cavity 106, and the wiring section 109 abuts against the second metal sheet 111.

The arrangement of the connecting spring piece 104 can enable one end of the connecting spring piece to be conducted with one end of the male connecting terminal 102, the other end of the connecting spring piece is arranged at the plug-in port 103 and is not contacted with the other end of the male connecting terminal 102, so that the female connecting terminal can be contacted with the first metal sheet 110 in the inserting process, current is transmitted from the connecting end of the male connecting terminal 102 through the resistor or the capacitor 105, then the connecting spring piece is conducted with the plug-in end of the male connecting terminal 102 along with the continuous inserting of the female connecting terminal, the male 1 and the female 2 form positive potential, and the sparking phenomenon is removed.

In this embodiment, a limiting member 112 limited on the plugging section 108 is disposed on the inner wall of the terminal mounting cavity 106, and the male connecting terminal 102 is limited in the terminal mounting cavity 106 under the interaction of the limiting member 112 and the second metal sheet 111.

Wherein, an L-shaped step groove 113 is formed on the upper surface of the plugging section 108, the limiting piece 112 is plate-shaped, the plate surface is vertically arranged with the male terminal 102 in the axial direction, a limiting hole 114 for the plugging section 108 to pass through is formed on the limiting piece 112, the plate surface of the limiting piece 112 is matched with the vertical surface of the L-shaped step groove 113 when the limiting piece 112 limits the male terminal 102, and the horizontal surface of the L-shaped step groove 113 is matched with the upper end surface of the limiting hole 114. The pin connection terminal 102 can be axially limited and rotationally limited in the terminal installation cavity 106 through the matching between the L-shaped stepped groove 113 and the inner side surface of the limiting hole 114, so that the pin connection terminal 102 is prevented from moving towards the plug interface 103 in the axial direction, on one hand, the normal operation of the first metal sheet 110 is ensured, and on the other hand, the pin connection terminal 102 is prevented from being brought out of the plug interface 103 when the female head 2 is separated from the common connection terminal; meanwhile, the limiting holes 114 are matched with the L-shaped stepped grooves 113 in a surface-to-surface manner, the inner side walls of the upper ends of the limiting holes 114 are configured to be horizontal, the male connecting terminal 102 can be prevented from rotating in the terminal mounting cavity 106, and the mounting stability of the male connecting terminal 102 is guaranteed.

The end of the second metal sheet 111 forms a bending elastic sheet 115, the lower end surface of the wire connecting section 109 abuts against the bending elastic sheet 115, and the bending elastic sheet 115 has a tendency of pushing the wire connecting section 109 to move upwards.

In this embodiment, the second metal sheet 111 and the limiting member 112 respectively act on two ends of the male terminal 102 and respectively act on the upper and lower sides of the male terminal 102, and both provide opposite forces to the male terminal 102, so that, on one hand, the male terminal 102 can be stably limited in the terminal mounting cavity 106, and on the other hand, the end of the male terminal 102 can be always abutted against the bending elastic sheet 115, so as to maintain the durable operation of the connecting elastic sheet 104.

In this embodiment, the male housing 101 and the female housing 201 are both provided with a plug portion 116, and the plug portion 116 includes a rectangular hole-shaped plug hole 117 and a rectangular groove-shaped plug block 118, where the plug hole 117 and the plug block 118 on the male housing 101 are respectively plugged with the plug block 118 and the plug hole 117 on the female housing 201.

The plugging block 118 includes a bottom plate 119, two side plates 120, and an end plate 121 at the plugging port 103, where the end of the first metal sheet 110 is bent to form a U-shaped bent portion 122 with a downward opening, and the U-shaped bent portion 122 is clamped on the end plate 121 from top to bottom. The end part of the first metal sheet 110 at the designed position is bent, and is fixed with the end plate 121 at the original socket opening through the U-shaped bending part 122, so that the installation and fixation of the connecting elastic sheet 104 at the socket opening 103 can be realized without changing the structure of the socket opening 103 of the existing male shell 101, and the structure is ingenious, the design is reasonable, and the installation and fixation are convenient.

In order to ensure smooth insertion of the male head 1 and the female head 2, the upper end surface of the end plate 121 is provided with a mounting groove 123, the U-shaped bending part 122 is clamped in the mounting groove 123 and is flush with the upper end surface of the side plate 120, so that the U-shaped bending part 122 is prevented from protruding the upper end surface of the insertion block 118 to interfere mutual insertion of the male head 1 and the female head 2.

In this embodiment, in order to facilitate the installation of the connection spring 104, the male housing 101 is provided with a spring mounting housing 124, a spring mounting cavity 125 is provided in the spring mounting housing 124, the resistor or capacitor 105 is mounted in the spring mounting cavity 125, a first extending hole 126 for extending the first metal sheet 110 is provided in the spring mounting housing 124, and a second extending hole 127 for extending the second metal sheet 111 into the terminal mounting cavity 106, which is communicated with the spring mounting cavity 125, is provided on the side wall of the terminal mounting cavity 106. In this embodiment, the spring sheet mounting housing 124 is disposed on the lower end surface of the male housing 101, and may also be disposed on the side surface of the male housing 101, where the first metal sheet 110 and the second metal sheet 111 are all thin sheets, and only a space for accommodating the resistor or the capacitor 105 needs to be disposed on the side surface to better implement the mounting of the connection spring sheet 104, so that the structure of the connection spring sheet 104 and the mounting position thereof can make the whole plug compact, the position arrangement between each component is reasonable, and the volume of the plug pair does not need to be excessively increased.

In this embodiment, the male housing 101 is provided with a handle 128 capable of pulling or pushing the male 1 and the female 2 to be separated from each other or inserted into each other. The handle 128 is configured in a T shape including a vertical connection portion and a lateral force application portion, the vertical connection portion is mounted on the outer surface of the male housing 101, the middle portion of an end surface of the lateral force application portion, which is far away from the vertical connection portion, is concave to form a first force application arc surface, and two side surfaces of the vertical connection portion and an end surface of the lateral force application portion, which faces the vertical connection portion, respectively form a concave second force application arc surface and a third arc force application surface.

The setting of handle 128 can make things convenient for grafting and separation between public head 1 and female head 2, and the structure setting of handle 128 can be convenient for the hand to handle 128 application of force, cooperates three fingers of hand through three application of force arc surface, realizes that single hand operation handle 128 can easily plug.

It is to be understood that, based on one or several embodiments provided herein, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, which do not exceed the protection scope of the present application.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (10)

1. The utility model provides a prevent battery patch cord that fires, includes connecting wire (3), its characterized in that: the two ends of the connecting wire (3) are respectively connected with a power supply conversion head (301) and a battery plug connector (302), the battery plug connector (302) comprises a male head (1), the male head (1) comprises a male head shell (101), a male head wiring terminal (102) is respectively arranged in the male head shell (101), an inserting port (103) is arranged at one end of the male head shell (101), a wiring port (107) for the connecting wire (3) to be connected is arranged at the other end of the male head shell (101), a connecting spring piece (104) is further arranged in the male head shell (101), one end of the connecting spring piece (104) is arranged at the inserting port (103) and is separated from one end of the male head wiring terminal (102), the other end of the connecting spring piece (104) is contacted with the other end of the male head wiring terminal (102), and a resistor or a capacitor (105) is arranged on the connecting spring piece (104).

2. The ignition resistant battery patch cord of claim 1, wherein: the connecting wire (3) comprises a bus and two branching lines (303) arranged at the end part of the bus, one end of the male head shell (101) is provided with two wiring ports (107), the two branching lines (303) are respectively connected into the two wiring ports (107), and the power supply conversion head (301) is a two-core power supply conversion head (301).

3. The ignition resistant battery patch cord of claim 1, wherein: a terminal installation cavity (106) for installing the male connecting terminal (102) is formed in the male housing (101), two ends of the terminal installation cavity (106) are open and respectively form an inserting port (103) and a connecting port (107), and the male connecting terminal (102) comprises an inserting section (108) and a connecting section (109) which extend towards the inserting port (103) and the connecting port (107); the connecting spring piece (104) comprises a first metal sheet (110) and a second metal sheet (111) which are connected to two ends of the resistor or the capacitor (105), the first metal sheet (110) is fixed at the plug-in port (103) and is spaced from the plug-in section (108), the second metal sheet (111) is positioned in the terminal mounting cavity (106), and the wiring section (109) is abutted against the second metal sheet (111).

4. A fire fighting battery patch cord according to claim 3, wherein: the inner wall of the terminal installation cavity (106) is provided with a limiting piece (112) limited on the inserting section (108), and the male connecting terminal (102) is limited in the terminal installation cavity (106) under the interaction of the limiting piece (112) and the second metal sheet (111).

5. The ignition resistant battery patch cord of claim 4, wherein: an L-shaped stepped groove (113) is formed in the upper surface of the plug-in section (108), the limiting piece (112) is plate-shaped, the plate surface is perpendicular to the axial direction of the male connecting terminal (102), a limiting hole (114) for the plug-in section (108) to pass through is formed in the limiting piece (112), the plate surface of the limiting piece (112) of the vertical surface of the L-shaped stepped groove (113) is matched when the limiting piece (112) limits the male connecting terminal (102), and the horizontal surface of the L-shaped stepped groove (113) is matched with the upper end surface of the limiting hole (114).

6. The ignition resistant battery patch cord of claim 5, wherein: the end part of the second metal sheet (111) forms a bending elastic sheet (115), the lower end surface of the wiring section (109) is abutted against the bending elastic sheet (115), and the bending elastic sheet (115) has a trend of pushing the wiring section (109) to move upwards.

7. A fire fighting battery patch cord according to claim 3, wherein: be equipped with grafting portion (116) on public head casing (101), grafting portion (116) are including grafting hole (117) of rectangular hole form and grafting piece (118) of rectangular channel form, and grafting piece (118) are including bottom plate (119), two curb plates (120) and be located end plate (121) of interface (103) department, and first sheetmetal (110) tip is buckled and is had U-shaped bending portion (122) of opening decurrent, and U-shaped bending portion (122) top-down card is on end plate (121).

8. The ignition resistant battery patch cord of claim 7, wherein: the upper end face of the end plate (121) is provided with an installing groove (123), the U-shaped bending part (122) is clamped in the installing groove (123), and the U-shaped bending part (122) is flush with the upper end face of the side plate (120).

9. A fire fighting battery patch cord according to claim 3, wherein: be equipped with shell fragment installation casing (124) on public head casing (101), be equipped with shell fragment installation cavity (125) in shell fragment installation casing (124), resistance or electric capacity (105) are installed in shell fragment installation cavity (125), are equipped with on shell fragment installation casing (124) and supply first hole (126) that stretches out of first sheetmetal (110), are equipped with on terminal installation cavity (106) lateral wall with shell fragment installation cavity (125) intercommunication supply second sheetmetal (111) to stretch out hole (127) in terminal installation cavity (106).

10. The ignition resistant battery patch cord of claim 1, wherein: a handle (128) is mounted on the male housing (101), the handle (128) is configured into a T shape comprising a vertical connecting portion (129) and a transverse force application portion (130), and the vertical connecting portion (129) is mounted on the outer surface of the male housing (101).