CN212580075U

CN212580075U - Battery mounting structure for electric vehicle

Info

Publication number: CN212580075U
Application number: CN202020005684.5U
Authority: CN
Inventors: 韦伟
Original assignee: Chongqing Shuilan Technology Development Co ltd
Current assignee: Chongqing Shuilan Technology Development Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2021-02-23
Anticipated expiration: 2030-01-03
Also published as: BE1027313B1; NL2025429B1

Abstract

The utility model discloses a battery mounting structure for electric motor car, including head pipe, frame low tube, battery case and controller box, the battery case upper end cover is equipped with automatic locking structure's elbow quick detach connector, the welding of head pipe downside has the frame low tube, the welding of the frame low tube other end has five-way and well pipe, the welding of well pipe other end has the top tube, top tube and head pipe fixed connection, well pipe, top tube and frame low tube constitution triangle-shaped structure, the head pipe hole has been seted up to the head pipe lateral wall. The utility model belongs to the technical field of electric bicycle, concretely relates to a battery mounting structure for electric motor car. The internal space is effectively utilized, and the internal cell structure is hidden to the maximum extent, so that the battery is safer, and the whole appearance is simple, exquisite and light; the arrangement of the charging interface is convenient for charging the battery box; the dustproof cover plays a role in preventing water and dust.

Description

Battery mounting structure for electric vehicle

Technical Field

The utility model belongs to the technical field of electric bicycle, concretely relates to a battery mounting structure for electric motor car.

Background

Most of the existing lower tubes of the electric bicycle frame are external battery energy storage devices or split lower tube mounting structures, the battery energy storage devices are mostly plastic or aluminum profile structures, batteries slide in along a middle tube from top to bottom, seat tube mounting positions of the frame are used as positioning references and fixed at the rear part of the wall of the middle tube, the seat tube mounting positions of the frame are used as the positioning references, or the battery energy storage devices are mounted on rear clothes hangers and are structurally equivalent, the structure of the bicycle type is complex and bloated, the simplicity of the bicycle is damaged, and the natural physical property is light. The volume is large, heavy and the appearance is not delicate; in addition, the anti-theft performance of the battery is not good, and the battery is easy to lose when placed outdoors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery mounting structure for electric motor car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a battery mounting structure for an electric vehicle comprises a head pipe, a frame lower pipe, a battery box and a controller box, wherein an upper end cover of the battery box is provided with an elbow quick-release connector of an automatic locking structure, the frame lower pipe is welded on the lower side of the head pipe, a five-way pipe and a middle pipe are welded on the other end of the frame lower pipe, an upper pipe is welded on the other end of the middle pipe, the upper pipe is fixedly connected with the head pipe, the middle pipe, the upper pipe and the frame lower pipe form a triangular structure, a head pipe hole is formed in the side wall of the head pipe, a head pipe cover is detachably mounted on the head pipe, the lower end of the battery box penetrates through the head pipe hole to be inserted into and fixed inside the frame lower pipe, the controller box is fixedly mounted at the tail of the battery box, a charging gap is formed in the outer side of the upper end of the frame lower pipe, the battery box pull belt is installed on the upper plastic part cover, the upper plastic part cover is fixedly provided with a female end terminal of 2+7, a male end terminal of elbow quick-release 2+7 and a port, the port is arranged at the outer end of the upper plastic part cover and connected with the male end terminal of elbow quick-release 2+7, a connector is fixedly arranged on the tail line of the male end plug-in of elbow quick-release 2+7, a charging female head is fixedly arranged on the side surface of the upper plastic part cover, a battery protection plate is arranged on the inner side of the upper plastic part cover, the plastic part cover also comprises an inner plastic part connected with the battery protection plate, the inner plastic part is fixed on a cell core bracket, a plurality of groups of batteries connected in series are fixedly installed in the cell core bracket, a battery box aluminum cylinder is sleeved at the outer end of the cell core bracket, a lower plastic part cover is fixedly installed at the tail end of the battery box aluminum cylinder, a female end plug-in 2+, the controller box comprises a controller box upper cover, a controller box lower plastic cover and a controller box aluminum cylinder, wherein the controller box upper cover is provided with two boss structures, is in adaptive insertion connection with a U-shaped fixing groove and is fixed through screws, a 2+8 male end plug-in unit is fixedly mounted on the controller box upper cover, and the 2+8 male end plug-in unit is connected with a 2+8 female end plug-in unit on the plastic cover.

As an optimal technical scheme of the utility model, wire in controller and the battery box passes through the battery case and moulds 2+8 female end plug-in components of a lower cover inboard installation and is connected with the fixed 2+8 public end plug-in components of controller box upper cover, the battery case is moulded 2+7 female end terminal of covering and is connected with elbow quick detach 2+7 public end terminal.

As an optimal technical scheme of the utility model, frame low tube and five-way dislocation welding.

As an optimal technical scheme of the utility model, the fixed welding of frame low tube downside has five hard-soldering nuts, the battery case has seted up corresponding locating hole with controller box downside, the hard-soldering nut that the screw lock advances on the frame low tube reachs the locating hole on battery case and the controller box, the hard-soldering nut that the screw lock advances on the frame low tube reachs the controller box and moulds a lid bottom down.

As a preferred technical scheme of the utility model, the screw fixation is passed through in head tube lid four corners in head tube hole outer end, and covers head tube hole.

As a preferred technical scheme of the utility model, the inboard of head tube hole is equipped with three strengthening ribs, the spout with strengthening rib looks adaptation is seted up to the battery case side, the battery case passes through the spout and slides in the frame intraductal along the strengthening rib.

As an optimal technical scheme of the utility model, frame low tube outside welding has five brazed nuts, and fixes battery case and controller box intraductal under the frame through screw and screw.

As an optimal technical scheme of the utility model, the quantity that connects is equipped with two at least, and is equipped with threely at most, waist silica gel circle about the head tube cap both sides fixedly connected with head tube cap still includes that the instrument line and the brake outage of electric motor car are stopped, the instrument line and the brake outage of electric motor car are stopped and are run through the public end plug-in components afterbody joint electric connection of waist silica gel circle and quick detach 2+7 about the head tube cap through the wire.

As an optimal technical scheme of the utility model, it is fixed and is equipped with waterproof silica gel to mould an upper cover and mould between a lower cover and the battery case aluminium section of thick bamboo, and fixes through the screw, controller box upper end and controller box mould down and fix between a lid and the controller box aluminium section of thick bamboo and be equipped with waterproof circle and pass through the screw fixation.

Compared with the prior art, the beneficial effects of the utility model are that:

the battery box and the controller box pass through the head pipe hole to be placed from top to bottom, slide into the lower frame pipe along the reinforcing rib guide rail on the inner side of the lower frame pipe and are hidden in the lower frame pipe, three guide mounting grooves are formed in the outer sides of the battery box and the controller box, lines are correspondingly matched with the three reinforcing ribs in the lower frame pipe, the left side and the right side of the battery box and the controller box cannot rotate, a hard-soldering nut is welded on the outer side of the lower frame pipe, the battery box and the controller box are positioned and limited in the lower frame pipe through screws, and therefore the battery box and the controller are stably hidden in the lower frame pipe and filled in the frame to the maximum extent, the internal space is effectively utilized, the internal electric core structure is hidden to the maximum extent;

the arrangement of the 2+7 male-female plug-in and the 2+8 male-female plug-in are quickly disassembled, so that the controller is conveniently connected with the power line, the instrument line, the large lamp line, the brake wire breakage and other functions of the battery box;

due to the arrangement of automatic locking of the quick-release 2+7 male end plug-in unit, the plug-in unit is more firmly inserted with the 2+7 female end terminal and is not easy to be knocked off;

the arrangement of the charging interface is convenient for charging the battery box;

the dustproof cover plays a role in preventing water and dust.

Drawings

Fig. 1 is a schematic view of a three-dimensional and explosive structure of an embodiment of a battery mounting structure for an electric vehicle according to the present invention;

FIG. 2 is a schematic diagram of an exploded structure of an embodiment of a head pipe of a battery mounting structure for an electric vehicle according to the present invention;

fig. 3 is a schematic view of an explosion structure of an embodiment of a battery mounting structure for an electric vehicle according to the present invention;

FIGS. 4-6 are enlarged partial views of FIG. 3;

FIG. 7 is a schematic structural view of a 2+7 male and female plug-in unit according to an embodiment of the battery mounting structure for an electric vehicle of the present invention;

fig. 8 is a schematic view of a battery mounting structure of an embodiment of the present invention for an electric vehicle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the utility model provides a battery mounting structure for electric vehicle, including head pipe 4, frame low tube 6, battery case 11, controller box 13 and the elbow quick detach male end plug-in components of automatic locking structure, the welding of frame low tube 6 is taken over to head pipe 4 downside, the welding of frame low tube 6 other end has five-way 1 and well pipe 2, well pipe 2 opposite side welds on top tube 3, has constituted stable triangle-shaped structure, the section inboard of frame low tube 6 has three strengthening ribs 16 not only to increase intensity but also to play the guide rail guide effect; a head pipe 4 is welded at the upper end of the lower frame pipe 6, a head pipe cover 5 is installed on the head pipe 4, the head pipe cover 5 is fixed through a fourth screw 51, a hole 15 is processed on the head pipe 4, a battery box 11 is placed from top to bottom through the head pipe hole 15 and slides into the lower frame pipe 6 along a reinforcing rib 16 guide rail on the inner side of the lower frame pipe 6, a controller box 13 is installed at the tail part of the battery box 11 and then slides into the lower frame pipe 6 together with the battery box 11, meanwhile, five hard-soldering nuts are welded on the outer side of the lower frame tube 6, the battery box 11 and the controller box 13 are stably positioned in the lower frame tube 6 through the second screw 9, meanwhile, the battery box 11 and the controller box 13 are stably limited in the lower frame tube 6 through a limiting third screw 48, the outer side of the upper end of the lower frame tube 6 is provided with a charging gap 17, a plastic part 7 is arranged around the gap 17 through screws, and a silica gel cover 8 is arranged on the plastic part 7 to play a dustproof and waterproof role; a plastic upper cover 18 is arranged at the upper end of the battery box 11, a battery box drawstring 19 is arranged on the plastic upper cover 18 to facilitate the drawing out of the battery box 11, a female terminal 20 for installing 2+7 and a port 21 are arranged in the plastic upper cover 18 and are connected with a male terminal 10 of an elbow quick-release 2+7 in a leaking way, the tail line of the male terminal 10 of the elbow quick-release 2+7 can be divided into two or three joints 22, the instrument line and the power-off brake lever line of the electric vehicle respectively pass through a left and a right waist silica gel rings 14 of a head pipe cover and are butted with two or three joints 22 at the tail part of the male terminal 10 of the elbow quick-release 2+7, a charging female head 23 is fixed at the side surface of the plastic upper cover 18, the charger male head passes through the plastic 7 on a side surface gap 17 of the frame lower pipe 6 to be butted with the charging female head 23 to facilitate the charging, a battery protection plate 24 is arranged at the inner side surface, simultaneously, the internal plastic part 26 is fixed on the battery core support 27, the battery 25 is fixed on the battery core support 27, waterproof silica gel 29 is arranged between the plastic part upper cover 18 and the battery box aluminum cylinder 28 to fix the three through a fifth screw 30, a good waterproof effect is achieved, the plastic part lower cover 31 is also arranged at the tail end of the battery box aluminum cylinder 28, and a waterproof ring 32 is also arranged in the middle of the battery box aluminum cylinder 28 to fix the three through a screw 34. The inner side of the plastic lower cover 31 is provided with a 2+8 female terminal 33, two sides of the plastic lower cover 31 are provided with U-shaped fixing grooves 35, the controller box upper cover 36 is provided with two boss structures 37 which are oppositely inserted into the U-shaped fixing grooves 35 and fixed through first screws 38, meanwhile, the controller box upper cover 36 is provided with a 2+8 male plug-in unit 39 which is oppositely inserted into the 2+8 female plug-in unit 33 on the plastic lower cover 31, similarly, the controller box upper cover 36, the waterproof ring 40 and the controller box aluminum cylinder 41 are fixed through sixth screws 42, and similarly, the controller aluminum cylinder 41, the waterproof ring 43 and the controller box lower plastic cover 44 are fixed through screws 45, so that the integral battery box 11 is connected with the controller box 13. The controller box 13 and the power line, the instrument line, the large lamp line, the brake wire break and other functional connecting lines of the battery box 11 are connected with the 2+8 male end plug-in unit 39 fixed on the controller box upper cover 36 through the 2+8 female end plug-in unit 33 arranged on the inner side of the battery box plastic piece lower cover 31, no external wiring is needed, the connecting mode is simplified, and the safety and the installation convenience are improved. Similarly, the above functional wiring is connected to the 2+7 terminal female terminal 20 on the battery pack plastic upper cover 18 in a wiring manner from the inside of the battery pack 11 through the lithium battery BMS protection plate 24 and the wiring inside the battery pack 11. Similarly, the 2+7 female terminal 20 on the battery box plastic part upper cover 18 is connected with the 2+7 male terminal 10 of the elbow quick-release 2+7 with the automatic locking device, so that the connection mode of functional lines such as a large lamp line, an instrument line and a brake broken wire of the whole vehicle is fully simplified, no external wiring is provided, the connection mode is simplified, and the safety line and the installation convenience are improved.

The reserved gap 46 for welding the lower frame tube 6 and the five-way tube 1 in a staggered manner is convenient for connecting an outgoing line of a line hole 47 on the lower plastic part cover 44 of the controller box with a motor line and a speed sensing line.

Five brazed nuts 50 are welded on the lower side of the lower frame tube 6, the battery box 11 is provided with a positioning hole 49 corresponding to the lower side of the controller box 13, the second screw 9 is locked into the brazed nut 50 on the lower frame tube and reaches the positioning hole 49 on the battery box 11 and the controller box 13 to be positioned, and the limiting third screw 48 is locked into the brazed nut 50 on the lower frame tube and reaches the bottom of the lower plastic part cover 44 of the controller box to be limited.

The battery box 11 and the controller box 13 are placed from top to bottom through the head pipe hole 15, slide into the frame lower pipe 6 along the guide rail 16 on the inner side of the frame lower pipe 6 and are hidden in the frame lower pipe 6, three guide mounting grooves are formed in the outer sides of the battery box 11 and the controller box 13, lines are correspondingly matched with the three reinforcing ribs 16 in the frame lower pipe, the left side and the right side of the lines cannot rotate, a hard welding nut 50 is welded on the outer side of the frame lower pipe 6, the battery box 11 and the controller box 13 are positioned in the frame lower pipe 6 through a second screw 9, and the battery box 11 and the controller box 13 are limited in the frame lower pipe 6 through a limiting third screw 48, so that the battery box 11 and the controller box 13 are stably hidden in the frame lower pipe 6.

The 2+7 female terminal 20 on the upper cover 18 of the battery box plastic part is butted with the male terminal 10 of the elbow quick-release 2+7, the tail wire of the male terminal 10 of the elbow quick-release 2+7 is divided into two or three taps 22 to be butted with a power-off brake lever wire and an instrument wire which penetrate through the holes of the silica gel rings 14 at the left and right waist parts of the head pipe cover 5 respectively, and meanwhile, the 2+8 female plug-in 33 arranged on the inner side of the lower cover 31 of the battery box plastic part is connected with the 2+8 male plug-in 39 fixed on the upper cover 36 of the controller box, so that the internal connection of functions of a controller, a power line of the battery box, the instrument wire, a large lamp wire, a brake power-off wire;

after the male terminal 10 of the elbow quick release 2+7 of the automatic locking structure is oppositely inserted with the female terminal 20 of the 2+7 on the upper cover 18 of the battery box plastic part, the male terminal 10 of the elbow quick release 2+7 has an automatic locking function and is extremely difficult to be touched;

the U-shaped fixing groove 35 on the battery box plastic piece lower cover 31 is inserted into the boss mechanism 37 on the controller box upper cover 36 and fastened through the first screw 38, so that the battery box 11 and the controller box 13 are stably connected into a whole.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A battery mounting structure for electric motor car which characterized in that: comprises a head pipe (4), a frame lower pipe (6), a battery box (11) and a controller box (13), wherein the upper end cover of the battery box (11) is provided with an elbow quick-release connector with an automatic locking structure, the frame lower pipe (6) is welded on the lower side of the head pipe (4), the other end of the frame lower pipe (6) is welded with a five-way pipe (1) and a middle pipe (2), the other end of the middle pipe (2) is welded with an upper pipe (3), the upper pipe (3) is fixedly connected with the head pipe (4), the middle pipe (2), the upper pipe (3) and the frame lower pipe (6) form a triangular structure, a head pipe hole (15) is formed in the side wall of the head pipe (4), the head pipe cover (5) is detachably arranged on the head pipe (4), the lower end of the battery box (11) penetrates through the head pipe hole (15) to be inserted and fixed in the frame lower pipe, the frame low tube (6) upper end outside is opened has the breach of charging (17), it moulds a (7) to install through the screw around breach of charging (17), mould and install silica gel lid (8) on (7), battery case (11) include electric core support (27) and install mould upper cover (18) in electric core support (27) upper end, mould and install battery case stretching strap (19) on an upper cover (18), mould a female end terminal (20) that an upper cover (18) was fixed to be equipped with 2+7, elbow quick detach 2+7 public end terminal (10) and port (21), port (21) are arranged in and are moulded an upper cover (18) outer end and elbow quick detach 2+7 public end terminal (10) quick detach and are connected, elbow 2+7 public end terminal (10) afterbody line fixation of terminal (10) is equipped with joint (22), mould a upper cover (18) side and fix and be equipped with female head of charging (23), the battery protection board (24) is arranged on the inner side of the plastic upper cover (18), the plastic upper cover further comprises an inner plastic part (26) connected with the battery protection board (24), the inner plastic part (26) is fixed on the battery cell support (27), a plurality of groups of batteries (25) connected in series are fixedly mounted in the battery cell support (27), a battery box aluminum cylinder (28) is sleeved at the outer end of the battery cell support (27), a plastic lower cover (31) is fixedly mounted at the tail end of the battery box aluminum cylinder (28), 2+8 female end plug-ins (33) are mounted on the inner side of the plastic lower cover (31), U-shaped fixing grooves (35) are formed in two sides of the plastic lower cover (31), the controller box (13) comprises a controller box upper cover (36), a controller box lower plastic cover (44) and a controller box aluminum cylinder (41), two boss structures (37) are formed in the controller box upper cover (36) and are in adaptive insertion connection with the U-shaped fixing grooves (35), fixed through first screw (38), fixed mounting has 2+8 public end plug-in components (39) on controller box upper cover (36), 2+8 public end plug-in components (39) are connected with 2+8 female end plug-in components (33) on moulding a lower cover (31).

2. The battery mounting structure for an electric vehicle according to claim 1, wherein: the controller box (13) and a lead in the battery box (11) are connected with a 2+8 male end plug-in unit (39) fixed on an upper cover (36) of the controller box through a 2+8 female end plug-in unit (33) arranged on the inner sides of the battery box (11) and a plastic lower cover (31), and a 2+7 female end terminal (20) on an upper cover (18) of the battery box is connected with a male end terminal (10) of an elbow quick-release 2+ 7.

3. The battery mounting structure for an electric vehicle according to claim 1, wherein: the frame lower pipe (6) and the five-way pipe (1) are welded in a staggered mode.

4. The battery mounting structure for an electric vehicle according to claim 1, wherein: the welding of fixed establishing of frame low tube (6) downside has five hard-soldering nuts (50), battery case (11) and controller box (13) downside are seted up corresponding locating hole (49), and hard-soldering nut (50) on second screw (9) lock advance frame low tube reachs locating hole (49) on battery case (11) and controller box (13), and hard-soldering nut (50) on third screw (48) lock advance frame low tube (6) reachs under the controller box and moulds a lid (44) bottom.

5. The battery mounting structure for an electric vehicle according to claim 1, wherein: four corners of the head pipe cover (5) are fixed at the outer end of the head pipe hole (15) through fourth screws (51), and the head pipe hole (15) is covered.

6. The battery mounting structure for an electric vehicle according to claim 1, wherein: the inner side of the head pipe hole (15) is provided with three reinforcing ribs (16), the side edge of the battery box (11) is provided with a sliding groove matched with the reinforcing ribs (16), and the battery box (11) slides into the lower frame pipe (6) along the reinforcing ribs (16) through the sliding groove.

7. The battery mounting structure for an electric vehicle according to claim 1, wherein: five hard-soldering nuts (50) are welded on the outer side of the lower frame pipe (6), and the battery box (11) and the controller box (13) are fixed in the lower frame pipe (6) through a second screw (9) and a third screw (48).

8. The battery mounting structure for an electric vehicle according to claim 1, wherein: the quantity of joint (22) is equipped with two at least, and is equipped with threely at most, waist silica gel circle (14) are controlled to head tube cap (5) both sides fixedly connected with head tube cap, still include the instrument line and the brake outage of electric motor car and stop, the instrument line and the brake outage of electric motor car are stopped and are run through about the head tube cap waist silica gel circle (14) and quick detach 2+7 public end plug-in components afterbody connector (22) electric connection through the wire.

9. The battery mounting structure for an electric vehicle according to claim 1, wherein: mould and fixedly between piece upper cover (18) and piece lower cover (31) and battery case aluminium section of thick bamboo (28) be equipped with waterproof silica gel (29), and fix through fifth screw (30), it is fixed between piece lid (44) and controller box aluminium section of thick bamboo (41) to mould under controller box upper cover (36) and the controller box is equipped with waterproof circle (40) and fixed through sixth screw (42).