CN214254635U

CN214254635U - Electric bicycle battery pack protective housing

Info

Publication number: CN214254635U
Application number: CN202120417859.8U
Authority: CN
Inventors: 杜杰; 胡正波; 潘晓成
Original assignee: Ningbo Hongyuan Electronic Technology Co ltd
Current assignee: Ningbo Hongyuan Electronic Technology Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-09-21
Anticipated expiration: 2031-02-25

Abstract

The utility model belongs to the technical field of the electric bicycle technique and specifically relates to an electric bicycle group battery protective housing, inner cover body top opening part is provided with the group battery fixed establishment that a plurality of corresponds, group battery fixed establishment includes the rotation axis, the cover is established and is fixed with a sleeve on the rotation axis, equal clamp plate of fixedly connected with on every sleeve, still can rotate on the rotation axis and install a plurality of curb plate, the equal fixed connection of curb plate is on the outer cover body, the disc of the coaxial setting with it of terminal equal fixedly connected with in rotation axis one side, a plurality of slot that evenly distributed is seted up along circumference to the disc surface, arbitrary one slot interpolation is equipped with an inserted block, pull rod of fixedly connected with on the inserted block, it is equipped with a riser all to overlap on the pull rod, on the cover body including riser fixed connection, the cover is equipped with a second spring on the pull rod between riser and the inserted block. The utility model has the advantages of shock absorption and good protection effect.

Description

Electric bicycle battery pack protective housing

Technical Field

The utility model relates to an electric bicycle technical field especially relates to an electric bicycle group battery protective housing.

Background

An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle. The battery pack is a vehicle-mounted energy source for providing energy for the electric vehicle, and the electric vehicle mainly adopts a lead-acid battery combination. In addition, nickel-metal hydride batteries and lithium ion batteries have also been used in some portable foldable electric vehicles. At the in-process that electric bicycle went, jolting of automobile body can drive the group battery vibrations, can cause the group battery impaired, still probably receives the striking at the group battery simultaneously, and current group battery protective housing shock attenuation, crashproof effect are poor, and the later stage is also inconvenient to the group battery dismantlement simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the protecting effect among the prior art poor, the shock attenuation effect is poor, dismantles inconvenient shortcoming, and the electric bicycle group battery protective housing that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a design is made for an electric bicycle battery pack protection shell, which comprises a first base, an outer cover body is fixedly arranged on the first base, a top cover is arranged at the opening at the top end of the outer cover body, a second base is arranged in the outer cover body, the second base is connected with the first base through a damping mechanism, an inner cover body is fixedly arranged on the second base, a plurality of corresponding battery pack fixing mechanisms are arranged at the opening at the top end of the inner cover body, each battery pack fixing mechanism comprises a rotating shaft, a sleeve is sleeved and fixed on the rotating shaft, a pressing plate is fixedly connected on each sleeve, a plurality of side plates are rotatably arranged on the rotating shaft and fixedly connected on the outer cover body, a disc which is coaxially arranged with the rotating shaft is fixedly connected at the tail end of one side of the rotating shaft, and a plurality of slots which are uniformly distributed are circumferentially arranged on the outer surface of the disc, any one the slot interpolation is equipped with an inserted block, a pull rod of fixedly connected with on the inserted block, all the cover is equipped with a riser on the pull rod, riser fixed connection is on the inner cover body, the cover is equipped with a second spring on the pull rod between riser and the inserted block.

Preferably, the damping mechanism comprises a guide rod, an insertion cylinder and a first spring, a plurality of guide rods parallel to each other are arranged on the second base in a penetrating mode, the bottom ends of the guide rods are all sleeved with and fixed to the insertion cylinder, the insertion cylinders are all fixedly connected to the first base, the first spring is arranged between the second base and the first base, and two ends of the first spring are fixedly connected to the first base and the second base respectively.

Preferably, the guide bar is coated with grease.

Preferably, the outer surface of the outer cover body is sprayed with an anti-corrosion coating.

The utility model provides a pair of electric bicycle group battery protective housing, beneficial effect lies in: the battery pack can be better protected by arranging the protective shell consisting of the outer cover body and the inner cover body; the damping mechanism between the second base and the first base is arranged, so that the battery pack can be damped and protected; through setting up group battery fixed establishment, when follow-up dismantlement group battery, operating personnel only need outwards stimulate the pull rod to drive the inserted block and break away from the slot on the disc, the disc just has lost spacingly like this, and operating personnel just can rotate the rotation axis afterwards, makes the clamp plate on it become vertical setting, and the clamp plate has just so lost the limiting displacement to the group battery, just can take out the group battery afterwards, convenience very.

Drawings

Fig. 1 is a schematic structural view of a battery pack protecting case for an electric bicycle according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a battery pack protecting case for an electric bicycle according to the present invention;

fig. 3 is a schematic structural view of a damping mechanism of a battery pack protecting case of an electric bicycle according to the present invention;

fig. 4 is a partial structural view of a portion a of fig. 3.

In the figure: the device comprises a first base 1, an outer cover body 2, a top cover 3, a second base 4, a guide rod 5, an inserting cylinder 6, a first spring 7, an inner cover body 8, a rotating shaft 9, a side plate 10, a sleeve 11, a pressing plate 12, a disc 13, an inserting groove 14, a vertical plate 15, a pull rod 16, an inserting block 17 and a second spring 18.

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.

Example 1

Referring to fig. 1-4, a battery pack protection case for an electric bicycle comprises a first base 1, an outer cover 2 is fixedly installed on the first base 1, a top cover 3 is installed at an opening at the top end of the outer cover 2, a second base 4 is arranged in the outer cover 2, the second base 4 is connected with the first base 1 through a damping mechanism, an inner cover 8 is fixedly installed on the second base 4, a plurality of corresponding battery pack fixing mechanisms are arranged at an opening at the top end of the inner cover 8, each battery pack fixing mechanism comprises a rotating shaft 9, a sleeve 11 is sleeved and fixed on the rotating shaft 9, a pressing plate 12 is fixedly connected on each sleeve 11, a plurality of side plates 10 are rotatably installed on the rotating shaft 9, the side plates 10 are fixedly connected on the outer cover 2, a disc 13 coaxially arranged with the rotating shaft 9 is fixedly connected at the tail end of one side, and a plurality of slots 14 uniformly distributed along the circumferential direction are formed on, an inserting block 17 is inserted into any one of the slots 14, a pull rod 16 is fixedly connected to the inserting block 17, a vertical plate 15 is sleeved on the pull rod 16, the vertical plate 15 is fixedly connected to the inner cover body 8, and a second spring 18 is sleeved on the pull rod 16 between the vertical plate 15 and the inserting block 17. The outer surface of the outer cover body 2 is sprayed with an anti-corrosion coating. The anti-corrosion coating can effectively prevent corrosive substances from corroding the outer cover body 2.

When the battery pack fixing device is used, when the battery pack is installed, the top cover 3 is firstly opened, then the battery pack is plugged into the inner cover body 8, and finally the battery pack is fixed through the battery pack fixing mechanism, so that the battery is installed; in the use, damper can carry out the shock attenuation to second base 4, thereby carry out the shock attenuation protection to the group battery in the protective housing, simultaneously when subsequently dismantling the group battery, operating personnel only need outwards stimulate pull rod 16, break away from in driving the slot 4 on inserted block 17 follow disc 13, disc 13 has just lost spacingly like this, operating personnel just can rotate rotation axis 9 afterwards, make clamp plate 12 on it become vertical setting, clamp plate 12 has just so lost the limiting displacement to the group battery, just can take out the group battery afterwards, very convenience.

Example 2

Referring to fig. 1-4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the damping mechanism includes a guide rod 5, an inserting cylinder 6 and a first spring 7, a plurality of guide rods 5 parallel to each other are provided on the second base 4 in a penetrating manner, the bottom end of the guide rod 5 is all sleeved with and fixed to one inserting cylinder 6, the inserting cylinder 6 is fixedly connected to the first base 1, the first spring 7 is provided between the second base 4 and the first base 1, and both ends of the first spring 7 are respectively fixedly connected to the first base 1 and the second base 4. Grease is applied to the guide rod 5.

When the damping mechanism is operated, the second base 4 moves up and down along the guide rod 5, and the first spring 7 provides buffer for the second base 4, so that the battery pack on the second base 4 is damped.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A battery pack protection shell of an electric bicycle comprises a first base (1) and is characterized in that an outer cover body (2) is fixedly installed on the first base (1), a top cover (3) is installed at an opening at the top end of the outer cover body (2), a second base (4) is arranged in the outer cover body (2), the second base (4) is connected with the first base (1) through a damping mechanism, an inner cover body (8) is fixedly installed on the second base (4), a plurality of corresponding battery pack fixing mechanisms are arranged at an opening at the top end of the inner cover body (8), each battery pack fixing mechanism comprises a rotating shaft (9), a sleeve (11) is sleeved and fixed on each rotating shaft (9), a pressing plate (12) is fixedly connected to each sleeve (11), and a plurality of side plates (10) can be rotatably installed on each rotating shaft (9), equal fixed connection of curb plate (10) is on the outer cover body (2), disc (13) of the coaxial setting with it of terminal equal fixedly connected with in rotation axis (9) one side, a plurality of slot (14) of evenly distributed, arbitrary one are seted up along circumference to disc (13) surface slot (14) interpolation is equipped with an inserted block (17), pull rod (16) of fixedly connected with are gone up in inserted block (17), all the cover is equipped with one riser (15) on pull rod (16), riser (15) fixed connection is on the inner cover body (8), the cover is equipped with a second spring (18) on pull rod (16) between riser (15) and inserted block (17).

2. The electric bicycle battery pack protective housing according to claim 1, wherein the damping mechanism comprises guide rods (5), inserting cylinders (6) and first springs (7), the second base (4) is provided with a plurality of guide rods (5) which are parallel to each other in a penetrating manner, the bottom ends of the guide rods (5) are respectively sleeved with and fixed to one inserting cylinder (6), the inserting cylinders (6) are respectively and fixedly connected to the first base (1), the first springs (7) are arranged between the second base (4) and the first base (1), and two ends of each first spring (7) are respectively and fixedly connected to the first base (1) and the second base (4).

3. The protective case of electric bicycle battery pack according to claim 2, characterized in that the guide bar (5) is coated with grease.

4. The electric bicycle battery pack protective case according to claim 1, wherein the outer surface of the outer cover body (2) is coated with an anti-corrosion coating.