Power battery pack anti-collision structure and pure electric all-terrain vehicle

Abstract

The utility model relates to the technical field of all-terrain vehicle protection, and particularly discloses a power battery pack anti-collision structure and a pure electric all-terrain vehicle, the power battery pack anti-collision structure comprises a battery pack protection body and an outer layer protection body, and the outer layer protection body is located on the outer side of the battery pack protection body; the outer layer protection body comprises a chassis protection support, a side protection support, a front side protection support, a rear side protection support and an upper side protection support. The power battery pack of the pure electric all-terrain vehicle adopts a two-layer anti-collision structural design, wherein the first stage is passive protection by an anti-collision frame consisting of an outer layer protective body; the second stage is active protection formed by the battery pack protection body, so that the protection effect is improved; the chassis of the pure electric all-terrain vehicle adopts a protection mode of'collision guide bracket guiding and anti-collision stop lever protection ', so that battery collision protection is realized when the front bottom scraping working condition occurs in the running process of the vehicle; the battery pack protection body is arranged below the seat support, and the whole vehicle frame and the seat support are both detachable, so that the battery pack is convenient to install.

Description

Technical Field

[0001] The utility model belongs to the technical field of terrain vehicle protection, and specifically relates to an anti-collision structure of a power battery pack and a pure electric all-terrain vehicle. Background Art

[0002] During the production process of traditional internal combustion engine all-terrain vehicles, the engine will emit pollutants such as carbon monoxide, hydrocarbons, nitrogen oxides, and lead, which will seriously pollute the environment and human health. With the popularization and popularity of new energy concepts, it has become a trend to fully electrify traditional all-terrain vehicles. In addition, all-terrain vehicles usually travel on more complicated roads, such as hump roads, steps, sleepers, muddy roads, etc., which may cause the all-terrain vehicles to scrape the bottom, support the bottom, collide, roll over, and other emergencies, which may easily cause the battery pack to suffer from scraping the bottom, being squeezed and deformed by collision, etc., which is not conducive to the protection of the battery pack and is not convenient for outdoor use. Utility Model Content

[0003] The purpose of the utility model is to provide a power battery pack anti-collision structure and a pure electric all-terrain vehicle to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A power battery pack anti-collision structure and a pure electric all-terrain vehicle, comprising:

[0006] A battery pack protection body and an outer protection body, the outer protection body is located on the outside of the battery pack protection body, the outer protection body is a primary protection frame structure, the battery pack protection body is arranged in the primary protection frame structure, when the whole vehicle has a side collision or rollover, the primary protection frame structure first receives the impact force and plays a preliminary protective role, the battery pack protection body is a secondary protection frame structure, which can directly provide anti-collision protection for the battery pack, the outer protection body includes a chassis protection bracket, a side protection bracket, a front side protection bracket, a rear side protection bracket and an upper side protection bracket, the chassis protection bracket is arranged at the bottom of the battery pack protection body, The bottom plays a protective role, the side protection bracket is arranged on both sides of the battery pack protection body, which can play a protective role on both sides, the front protection bracket is arranged on the front side of the battery pack protection body, which can play a protective role on the front side, the rear protection bracket is arranged on the rear side of the battery pack protection body, and the upper protection bracket is arranged on the upper side of the battery pack protection body, which can play a protective role on the upper side. The upper protection bracket is a seat bracket, which can play a protective role and can also be used as a seat. Therefore, the all-round protection bracket can provide all-round protection for the battery pack protection body and play the outermost protective role.

[0007] Preferably, the disc protection bracket includes a battery tray and an anti-collision bar, and the battery trays are arranged in two groups. The anti-collision bar is arranged between the two groups of battery trays. When the vehicle encounters a frontal bottom scraping condition during driving, the arranged anti-collision bar can collide with the obstacle in advance, thereby reducing the energy of the battery pack protection body when colliding with the obstacle and reducing the damage to the battery pack protection body.

[0008] Preferably, the disk protection bracket also includes a collision guide bracket, and the collision guide bracket is arranged on the front side of the battery pack protection body. The collision guide bracket is arranged as a bracket rod with notches on both sides, so that the bracket rod between the notches forms a wedge block, which is conducive to the wedge block bulging upward during collision. The collision guide bracket can gradually convert the impact force in the x direction into a lifting force in the z direction when the battery pack protection body collides with an obstacle, so as to lift it, and at the same time combined with the suspension effect, the whole vehicle can pass the obstacle smoothly.

[0009] Preferably, battery pack side mounting brackets are also provided on both sides of the battery pack protection body to provide installation support for the battery pack protection body.

[0010] Preferably, the battery pack protective body includes a lower box body and an upper cover installed on the upper end of the lower box body, the lower box body and the upper cover are detachably connected, side beams are connected to both sides of the lower box body, lifting holes are provided inside the side beams, and lifting sleeves are provided inside the lifting holes, which is conducive to lifting the battery pack protective body, and several groups of connecting parts are provided at the front and rear ends of the lower box body for installing the battery pack protective body on the all-terrain vehicle. An open groove is provided at the lower end of the lower box body, which is conducive to the transmission shaft passing through the open groove and running through the entire battery pack, which can reduce the overall height of the battery pack and reduce space occupancy.

[0011] Preferably, the lower box body comprises a frame shell and a bottom plate, and the lower end of the frame shell is connected to the bottom plate, so that the lower box body forms a box body with an upward opening;

[0012] A connecting longitudinal beam is provided inside the frame shell, and the bottom plate is provided in two groups. The two groups of bottom plates are connected by the connecting longitudinal beam. The connecting longitudinal beam is provided in a U-shape, which is conducive to corresponding to the opening groove, facilitating the transmission shaft to pass through, thereby reducing the overall height of the battery pack.

[0013] Preferably, the connecting member is configured as an installation hanging point, and a mounting hole is provided inside the installation hanging point to facilitate installation.

[0014] Preferably, a pure electric all-terrain vehicle comprises the power battery pack anti-collision structure described in any one of the above items.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The power battery pack of the pure electric all-terrain vehicle adopts a two-layer anti-collision structure design. The first level is the anti-collision frame composed of the outer protective body for passive protection; the second level is the active protection composed of the battery pack protection body, which improves the protection effect;

[0017] 2. The chassis of the pure electric all-terrain vehicle adopts the protection mode of "collision guide bracket guidance + anti-collision bar protection" to achieve battery collision protection when the vehicle encounters a frontal scraping condition during driving;

[0018] 3. The battery pack protection body is arranged under the seat bracket. At the same time, the vehicle frame and seat bracket are detachable, which is convenient for the installation of the battery pack and is conducive to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the chassis protection bracket of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the battery pack protection body of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the anti-collision barrier rod of the utility model;

[0023] In the figure: 1. Chassis protection bracket; 2. Side protection bracket; 3. Battery pack side mounting bracket; 4. Front protection bracket; 5. Rear protection bracket; 6. Upper protection bracket; 7. Battery pack protection body;

[0024] 11. Battery tray; 12. Anti-collision bar; 13. Collision guide bracket;

[0025] 70. Frame shell; 71. Bottom plate; 72. Connecting longitudinal beam; 73. Side beam; 74. Lifting sleeve; 75. Opening slot; 76. Installation hanging point. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example:

[0028] See also Figure 1-Figure 4As shown, a power battery pack anti-collision structure includes:

[0029] The battery pack protection body 7 and the outer protection body, the outer protection body is located on the outside of the battery pack protection body 7, the outer protection body is set as a primary protection frame structure, the battery pack protection body 7 is arranged in the primary protection frame structure, when the whole vehicle has a side collision or rollover, the primary protection frame structure first receives the impact force and plays a preliminary protective role, the battery pack protection body 7 is set as a secondary protection frame structure, which can directly protect the battery pack from collision, the outer protection body includes a chassis protection bracket 1, a side protection bracket 2, a front side protection bracket 4, a rear side protection bracket 5 and an upper side protection bracket 6, the chassis protection bracket 1 is set on the battery pack protection body 7 The bottom end plays a protective role for the bottom, the side protection bracket 2 is arranged on both sides of the battery pack protection body 7, which can play a protective role on both sides, the front side protection bracket 4 is arranged on the front side of the battery pack protection body 7, which can play a protective role on the front side, the rear side protection bracket 5 is arranged on the rear side of the battery pack protection body 7, and the upper side protection bracket 6 is arranged on the upper side of the battery pack protection body 7, which can play a protective role on the upper side. The upper side protection bracket 6 is a seat bracket, which can play a protective role while also being used as a seat. Therefore, the all-round protection bracket can provide all-round protection for the battery pack protection body 7 and play the outermost protection role.

[0030] refer to Figure 1-Figure 4 As shown, the disk protection bracket includes a battery tray 11 and an anti-collision bar 12. The battery tray 11 is arranged in two groups. The anti-collision bar 12 is arranged between the two groups of battery trays 11. When the vehicle encounters a frontal bottom scraping condition during driving, the arranged anti-collision bar can collide with the obstacle in advance, reduce the energy when the battery pack protection body 7 collides with the obstacle, and reduce the damage to the battery pack protection body 7.

[0031] refer to Figure 1-Figure 4 As shown, the disk protection bracket also includes a collision guide bracket 13, and the collision guide bracket 13 is arranged on the front side of the battery pack protection body 7. The collision guide bracket 13 is arranged as a bracket rod with notches on both sides, so that the bracket rod between the notches forms a wedge block, which is conducive to the wedge block bulging upward during collision. The collision guide bracket 13 can gradually convert the impact force in the x direction into a lifting force in the z direction when the battery pack protection body 7 collides with an obstacle, so as to lift it up, and at the same time combined with the suspension effect, the whole vehicle can pass the obstacle smoothly.

[0032] refer to Figure 1-Figure 4 As shown, battery pack side mounting brackets 3 are also provided on both sides of the battery pack protection body 7 to provide mounting support for the battery pack protection body 7 .

[0033] refer to Figure 1-Figure 4As shown, the battery pack protective body 7 includes a lower box body and an upper cover installed on the upper end of the lower box body, the lower box body and the upper cover are detachably connected, side beams 73 are connected to both sides of the lower box body, lifting holes are provided inside the side beams 73, and lifting sleeves 74 are provided inside the lifting holes, which is conducive to lifting the battery pack protective body 7, and several groups of connecting parts are provided at the front and rear ends of the lower box body for installing the battery pack protective body 7 on the all-terrain vehicle, and an opening groove 75 is provided at the lower end of the lower box body, which is conducive to the transmission shaft passing through the opening groove 75 and running through the entire battery pack, which can reduce the overall height of the battery pack and reduce space occupancy.

[0034] refer to Figure 1-Figure 4 As shown, the lower box body includes a frame shell 70 and a bottom plate 71, and the lower end of the frame shell 70 is connected to the bottom plate 71, so that the lower box body forms a box body with an upward opening;

[0035] A connecting longitudinal beam 72 is provided inside the frame shell 70, and the bottom plate 71 is provided in two groups. The two groups of bottom plates 71 are connected by the connecting longitudinal beam 72. The connecting longitudinal beam 72 is provided in a U-shape, which is conducive to corresponding to the opening groove 75, facilitating the transmission shaft to pass through, thereby reducing the overall height of the battery pack.

[0036] refer to Figure 1-Figure 4 As shown, the connecting member is configured as a mounting hanging point 76, and a mounting hole is provided inside the mounting hanging point 76 to facilitate installation.

[0037] refer to Figure 1-Figure 4 As shown, a pure electric all-terrain vehicle includes any of the above-mentioned power battery pack anti-collision structures.

[0038] 1. The power battery pack of the pure electric all-terrain vehicle adopts a two-layer anti-collision structure design. The first level is a passive protection of the anti-collision frame composed of an outer protective body; the second level is an active protection composed of a battery pack protective body 7, which improves the protection effect.

[0039] 2. The chassis of the pure electric all-terrain vehicle adopts a protection mode of "collision guide bracket 13 guidance + anti-collision bar 12 protection" to achieve battery collision protection when the vehicle encounters a frontal bottom scraping condition during driving.

[0040] 3. The battery pack protection body 7 is arranged under the seat bracket. At the same time, the vehicle frame and the seat bracket are both detachable, which is convenient for the installation of the battery pack and is conducive to use.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power battery pack anti-collision structure, characterized in that: include: A battery pack protective body (7) and an outer protective body, wherein the outer protective body is located on the outside of the battery pack protective body (7), and the outer protective body comprises a chassis protective bracket (1), a side protective bracket (2), a front protective bracket (4), a rear protective bracket (5) and an upper protective bracket (6), wherein the chassis protective bracket (1) is arranged at the bottom end of the battery pack protective body (7), the side protective bracket (2) is arranged on both sides of the battery pack protective body (7), the front protective bracket (4) is arranged on the front side of the battery pack protective body (7), the rear protective bracket (5) is arranged on the rear side of the battery pack protective body (7), and the upper protective bracket (6) is arranged on the upper side of the battery pack protective body (7).

2. The anti-collision structure of a power battery pack according to claim 1, characterized in that: The disk protection bracket comprises a battery tray (11) and an anti-collision barrier rod (12); the battery tray (11) is arranged in two groups, and the anti-collision barrier rod (12) is arranged between the two groups of battery trays (11).

3. The anti-collision structure of a power battery pack according to claim 2, characterized in that: The disk protection bracket also includes a collision guide bracket (13), the collision guide bracket (13) is arranged on the front side of the battery pack protection body (7), and the collision guide bracket (13) is arranged as a bracket rod with notches on both sides.

4. The anti-collision structure of a power battery pack according to claim 3, characterized in that: Battery pack side mounting brackets (3) are also provided on both sides of the battery pack protection body (7).

5. The anti-collision structure of a power battery pack according to claim 4, characterized in that: The battery pack protective body (7) comprises a lower box body and an upper cover mounted on the upper end of the lower box body, the lower box body and the upper cover are detachably connected, both sides of the lower box body are connected to side beams (73), a lifting hole is provided inside the side beams (73), a lifting sleeve (74) is provided inside the lifting hole, a plurality of groups of connecting parts are provided at the front and rear ends of the lower box body, and an opening groove (75) is provided at the lower end of the lower box body.

6. The anti-collision structure of a power battery pack according to claim 5, characterized in that: The lower box body comprises a frame shell (70) and a bottom plate (71), and the bottom plate (71) is connected to the lower end of the frame shell (70); A connecting longitudinal beam (72) is arranged inside the frame shell (70), the bottom plate (71) is arranged in two groups, the two groups of bottom plates (71) are connected by the connecting longitudinal beam (72), and the connecting longitudinal beam (72) is arranged in a U shape.

7. The anti-collision structure of a power battery pack according to claim 6, characterized in that: The connecting piece is configured as a mounting hanging point (76), and a mounting hole is provided inside the mounting hanging point (76).

8. A pure electric all-terrain vehicle, characterized in that: A power battery pack anti-collision structure comprising any one of claims 1 to 7.

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