Battery replacement protective cover and electric truck

Abstract

The application provides a battery replacement protective cover and an electric vehicle, and belongs to the technical field of electric vehicles. The battery replacement protective cover is installed on the electric vehicle, and comprises a protective cover body and a first connecting assembly. The protective cover body has a protective cavity for accommodating a battery pack installed on the electric vehicle. The first connecting assembly is arranged on the protective cover body and is used for connecting the protective cover body to the electric vehicle. The battery replacement protective cover can prevent the battery pack from being polluted by mud, water or other foreign matters. In particular, during the driving of the vehicle, the battery pack is easily impacted by foreign matters due to the high speed of the vehicle. The battery replacement protective cover can block the impact of foreign matters on the battery pack, prevent damage to the battery pack, ensure the service life of the battery pack, and thus improve the driving safety of the electric vehicle.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric vehicles, in particular to a battery replacement shield and an electric truck. BACKGROUND

[0002] In recent years, new energy vehicles have developed rapidly. Electric vehicles relying on storage batteries as driving energy have the advantages of zero emissions and low noise. The market share and use frequency of electric vehicles are also increasing. At present, electric commercial vehicles such as electric heavy trucks and electric light trucks have begun to appear in their respective application scenarios, and battery replacement stations for electric trucks have also been built.

[0003] At present, the battery pack of the electric truck is exposed to the electric vehicle. This arrangement makes the battery pack vulnerable to rainwater immersion, contamination and impact by foreign matter, especially during the driving process of the electric truck, which is more likely to be impacted by foreign matter and the impact is greater. The above situations will cause different degrees of damage to the battery pack, affecting the service life of the battery pack and the normal driving of the electric vehicle. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the defects that the battery pack of the electric truck lacks a corresponding protective structure and is vulnerable to contamination and accidental impact in the prior art, and to provide a battery replacement shield and an electric truck.

[0005] The present application solves the above technical problems through the following technical solutions:

[0006] A battery replacement shield is installed on an electric truck, and the battery replacement shield comprises:

[0007] A shield body having a protective cavity for accommodating a battery pack installed on the electric truck;

[0008] A first connecting assembly provided on the shield body, the first connecting assembly being used to connect the shield body to the electric truck.

[0009] In this scheme, the protective cavity of the shield body is used to accommodate the battery pack of the electric truck, so that the shield body can effectively protect the battery pack. The first connecting assembly connects the shield body to the electric truck, ensuring the firmness and stability of the connection between the shield body and the electric truck. The arrangement of the battery replacement shield can avoid contamination of the battery pack by mud, water or other foreign matter. In particular, during the driving process of the vehicle, due to the high speed, the battery pack is easily impacted by foreign matter. The battery replacement shield can block foreign matter from impacting the battery pack, avoid damage to the battery pack, ensure the service life of the battery pack, and thus improve the driving safety of the electric truck.

[0010] Preferably, the shield body comprises an upper shield plate assembly arranged above the battery pack, the upper shield plate assembly comprising an upper shield plate and an upper shield frame, the upper shield frame comprising a plurality of staggered connecting beams and columns, and the upper shield plate being connected to the outer side surfaces of the beams and columns.

[0011] In this scheme, the upper shield plate assembly protects the battery pack from above, the upper shield plate can prevent mud, water or other foreign matters above the battery pack from polluting the battery pack, and prevent falling objects from impacting the battery pack; the upper shield frame can provide stable support for the upper shield plate, improve the strength and impact resistance of the upper shield plate assembly, and further improve the protection performance of the battery pack.

[0012] Preferably, the shield body further comprises a side shield plate assembly arranged on both sides of the battery pack, the side shield plate assembly being connected to the upper shield plate assembly and enclosing the protection chamber, the side shield plate assembly comprising a side shield plate and a side shield frame, the side shield frame comprising a plurality of staggered connecting side columns and side beams, the upper ends of the side columns being connected to the upper shield frame, the lower ends of the side columns being connected to the side beams, and the side shield plate being connected to the outer side surfaces of the side columns and side beams.

[0013] In this scheme, the side shield plate assembly can protect the battery pack on both sides, the side shield plate can prevent mud, water or other foreign matters on the side of the battery pack from polluting the battery pack, and prevent flying foreign matters from impacting the battery pack; the side shield frame can provide stable support for the side shield plate, improve the strength and impact resistance of the side shield plate assembly, and further improve the protection performance of the battery pack.

[0014] Preferably, the shield body further comprises a first reinforcing member, one end of the first reinforcing member being connected to the upper shield frame, and the other end of the first reinforcing member being connected to the side shield frame.

[0015] and / or,

[0016] The shield body further comprises a fourth reinforcing member arranged between the side column and the upper shield frame, and / or the fourth reinforcing member is arranged between the side column and the side beam.

[0017] In the scheme, the first reinforcing member is connected between the upper shield frame and the side shield frame, which can strengthen the connection between the upper shield frame and the side shield frame, so that the connection between the two is more firm, thereby strengthening the overall structural strength of the battery swap shield; when the fourth reinforcing member is arranged between the side column and the upper shield frame, a triangular structure is formed between the side column, the upper shield frame and the first reinforcing member, which has better stability; when the fourth reinforcing member is arranged between the side column and the side beam, the connection between the side column and the side beam can be strengthened, and the overall structural strength of the side shield plate assembly is strengthened.

[0018] Preferably, the first connecting assembly comprises a fixedly connected horizontal connecting plate and a vertical connecting plate, the vertical connecting plate is connected to the electric truck, and the horizontal connecting plate is connected to the inner side surface of the shield body.

[0019] In the scheme, the vertical connecting plate of the first connecting assembly can be conveniently connected with the mounting part (such as the vehicle body longitudinal beam) of the electric truck, saving space and firm connection; the horizontal connecting plate of the first connecting assembly is connected to the inner side surface of the shield body, and the horizontal connecting plate can be attached to the inner side surface of the shield body, which is convenient for connection and firm connection.

[0020] Preferably, the first connecting assembly further comprises a second reinforcing member, one side of the second reinforcing member is connected to the vertical connecting plate, and the other side of the second reinforcing member is connected to the shield body.

[0021] In the scheme, the two ends of the second reinforcing member are respectively connected to the vertical connecting plate and the shield body, which strengthens the connection strength between the first connecting assembly and the shield body and improves the reliability of the connection between the two.

[0022] Preferably, the number of the first connecting assemblies is multiple, and the multiple first connecting assemblies are arranged at intervals, and an avoiding space is formed between adjacent first connecting assemblies.

[0023] In the scheme, the arrangement of multiple first connecting assemblies can further strengthen the connection between the shield body and the electric truck and improve the firmness of the installation of the battery swap shield; the avoiding space is left between the multiple first connecting assemblies, which facilitates the installation of the battery swap shield to avoid the quick change support, the locking mechanism of the electric truck and other parts on the electric truck, etc.

[0024] Preferably, the battery swap shield further comprises a protective structure, the protective structure is arranged around the side of the battery pack close to the front of the electric truck, and the protective structure is connected with the electric truck and / or the shield body.

[0025] And / or, the battery swap protective cover further comprises a rear side cover plate, the rear side cover plate is arranged on the side of the battery pack close to the tail of the electric truck, and the rear side cover plate is connected with the electric truck and / or the protective cover body.

[0026] In the scheme, the protective structure protects the battery pack in front of the battery pack, which can prevent mud, water or other foreign matters in front of the battery pack from polluting the battery pack, and prevent flying foreign matters from impacting the battery pack; the rear side cover plate protects the battery pack in the rear of the battery pack, which can prevent mud, water or other foreign matters in the rear of the battery pack from polluting the battery pack, and prevent foreign matters from impacting the battery pack.

[0027] Preferably, the protective structure has a first channel, the rear side cover plate has a second channel, and the first channel and the second channel are respectively communicated with the protective cavity.

[0028] In the scheme, the first channel and the second channel are arranged, so that the battery swap protective cover avoids the installation of the body longitudinal beam, the quick swap support and other parts on the electric truck when the battery swap protective cover is installed on the electric truck.

[0029] Preferably, the protective structure comprises two baffle plates and two second connecting assemblies, the two baffle plates are connected to the electric truck through the second connecting assemblies, the baffle plates are connected with the protective cover body, and the first channel is formed between the two baffle plates.

[0030] In the scheme, the two baffle plates protect the battery pack in front of the battery pack, which can prevent mud, water or other foreign matters in front of the battery pack from polluting the battery pack, and prevent flying foreign matters from impacting the battery pack, the second connecting assembly connects the baffle plate to the electric truck, improves the installation stability of the baffle plate, and further helps to improve the firmness of the connection between the protective structure and the electric truck; meanwhile, the first channel formed between the two baffle plates facilitates the installation of the battery swap protective cover to avoid the installation of the body longitudinal beam, the quick swap support and other parts on the electric truck.

[0031] Preferably, the second connecting assembly comprises a connecting rod and a connecting seat, the connecting seat is arranged on the outer side of the baffle plate, one end of the connecting rod is connected with the connecting seat, and the other end of the connecting rod is connected with the electric truck.

[0032] In the scheme, the baffle plate is connected to the electric truck in the form of the connecting rod and the connecting seat, which is simple in structure, wherein the connecting rod can be conveniently installed and disassembled, thereby improving the installation efficiency and disassembly efficiency of the baffle plate.

[0033] Preferably, the second connecting assembly comprises a connecting body connected with the baffle plate, and two side connecting plates connected with the connecting body respectively on two sides of the connecting body and forming a avoiding groove towards the electric truck with the connecting body, the side connecting plate has a first flange on a side close to the electric truck, and the first flange is connected with the electric truck.

[0034] In the scheme, the side connecting plate on the two sides of the connecting body has the function of stiffening rib, which can increase the structural strength of the second connecting assembly; the side connecting plate is connected with the electric truck through the first flange, so that the connection between the second connecting assembly and the electric truck is more convenient and firm, and the firmness and stability of the connection between the protection structure and the electric truck are improved.

[0035] Preferably, the baffle plate has a curved surface, and the convex direction of the curved surface of the baffle plate is away from the battery pack; or,

[0036] The baffle plate has an inclined surface, and the inclined surface of the baffle plate gradually inclines towards the battery pack from the side connected with the electric truck to the side away from the electric truck.

[0037] In the scheme, the side of the baffle plate towards the front of the electric truck is its windward side, especially during the driving process of the electric truck, the windward side will bear a larger wind load, the baffle plate has the above-mentioned curved surface or inclined surface, which is beneficial to the dispersion of airflow, so that the airflow flows away along the curved surface or inclined surface, reducing the wind load resistance of the baffle plate during the forward movement of the electric truck. In addition, the baffle plate has the above-mentioned curved surface or inclined surface, which helps the foreign matter falling on the baffle plate to slide off quickly, avoiding the deposition of foreign matter on the baffle plate.

[0038] Preferably, the baffle plate comprises a baffle plate body and a second flange, the second flange extends along each side edge of the baffle plate body towards the battery pack and is connected with the shroud body, and the protection structure further comprises a third reinforcing member, the third reinforcing member is arranged on the side of the baffle plate body towards the battery pack and is connected with the baffle plate body and the second flange.

[0039] In the scheme, the second flange arranged along the side of the baffle plate is connected with the shroud body, so that the connection between the baffle plate and the shroud body is more firm, and the second flange can shield and protect the battery pack from the side edge of the baffle plate, and the protection of the battery pack is more comprehensive. In addition, the side of the baffle plate close to the battery pack is provided with a third reinforcing member, which can act as a stiffening rib of the baffle plate to increase the strength of the baffle plate, and also can act as a connecting member to strengthen the connection between the baffle plate and the second flange.

[0040] Preferably, the battery replacement shield further comprises a front end shielding structure, which is arranged in front of a front area of the battery pack on a side close to the front of the electric truck and is connected with the electric truck and / or the shield body.

[0041] and / or,

[0042] The battery replacement shield further comprises a rear end shielding structure, which is arranged in a rear area of the battery pack on a side close to the rear of the electric truck and is connected with the electric truck and / or the shield body.

[0043] In this scheme, the front end shielding structure can shield the motor, gearbox, vehicle end electrical connector and first channel of the battery replacement shield of the electric truck, preventing mud, water and other debris from entering, thereby protecting the electrical connection and other related structures; the rear end shielding structure can shield the structure behind the battery pack and the second channel, preventing mud, water and other debris from entering.

[0044] Preferably, the battery replacement shield further comprises a socket structure, which is arranged on the shield body and is electrically connected to the vehicle end electrical connector of the electric truck for charging the battery pack.

[0045] In this scheme, the socket structure is connected with the vehicle end electrical connector of the electric truck, and the vehicle end electrical connector of the electric truck is connected with the electrical connector of the battery pack. When the electric truck is inconvenient to replace the battery pack, the battery pack can be directly charged through the socket structure, ensuring the normal driving of the electric truck.

[0046] Preferably, the socket structure comprises a socket body and a socket cover plate, the socket body is connected to the shield body and is electrically connected to the vehicle end electrical connector of the electric truck, and the socket cover plate is arranged on the socket body and is hinged to the socket body.

[0047] In this scheme, the socket body is connected with the vehicle end electrical connector of the electric truck, and the battery pack can be directly charged through the socket body, increasing the flexibility of charging; the socket cover plate is arranged on the outside of the socket body, which can protect the socket body from entering debris; the socket cover plate is hinged to the socket body, which is convenient to open the socket cover plate.

[0048] Preferably, the socket structure further comprises a resilient member, both ends of the resilient member are connected to the socket body and the socket cover plate, and the resilient member is arranged to exert an opening force on the socket cover plate.

[0049] In the scheme, the elastic member keeps the relative positions of the socket cover plate and the socket body unchanged after the socket cover plate is opened, and thus enables the socket cover plate to keep an open state, facilitating the electrical connection between the socket body and the outside.

[0050] Preferably, the battery replacement shield is mounted on the body longitudinal beam of the electric truck, and / or the battery replacement shield is mounted on the quick replacement support of the electric truck.

[0051] In the scheme, when the battery replacement shield is mounted on the body longitudinal beam of the electric truck, the battery replacement shield is connected to the body longitudinal beam through the first connecting assembly, so that the space on both sides of the body longitudinal beam can be more reasonably utilized, and the structural layout is more compact; when the battery replacement shield is mounted on the quick replacement support of the electric truck, the quick replacement support and the battery replacement shield are avoided from being connected to the body longitudinal beam of the electric truck at the same time, facilitating the installation of the battery replacement shield.

[0052] An electric truck comprises a body longitudinal beam and the battery replacement shield described above, and the battery replacement shield is connected to the body longitudinal beam.

[0053] In the scheme, the provision of the battery replacement shield can avoid the pollution of the battery pack by mud, water or other foreign matters, especially during the driving of the vehicle, since the vehicle speed is relatively high, the battery pack is easily impacted by foreign matters, the battery replacement shield can block the foreign matters from impacting the battery pack, avoid damaging the battery pack, ensure the service life of the battery pack, and thus improve the driving safety of the electric truck, and the battery replacement shield is connected to the body longitudinal beam, so that the space on both sides of the body longitudinal beam can be more reasonably utilized, and the structural layout is more compact.

[0054] The positive progress effect of the present application is that:

[0055] The protection chamber of the shield body is used for accommodating the battery pack of the electric truck, so that the shield body can effectively protect the battery pack; the first connecting assembly connects the shield body to the electric truck, ensuring the firmness and stability of the connection between the shield body and the electric truck. The provision of the battery replacement shield can avoid the pollution of the battery pack by mud, water or other foreign matters, especially during the driving of the vehicle, since the vehicle speed is relatively high, the battery pack is easily impacted by foreign matters, the battery replacement shield can block the foreign matters from impacting the battery pack, avoid damaging the battery pack, ensure the service life of the battery pack, and thus improve the driving safety of the electric truck. BRIEF DESCRIPTION OF DRAWINGS

[0056] Figure 1 It is a perspective view of the battery replacement shield of the embodiment 1 of the present application.

[0057] Figure 2 It is a structure view of the battery replacement shield of the embodiment 1 of the present application in one direction.

[0058] Figure 3 Structure diagram of the battery replacement protective cover in another direction for the embodiment 1 of the present application.

[0059] Figure 4 Side view of the battery replacement protective cover for the embodiment 1 of the present application.

[0060] Figure 5 Top view of the battery replacement protective cover for the embodiment 1 of the present application.

[0061] Figure 6 Front view of the battery replacement protective cover for the embodiment 1 of the present application.

[0062] Figure 7 Rear view of the battery replacement protective cover for the embodiment 1 of the present application.

[0063] Figure 8 Structure diagram of the electric truck for the embodiment 1 of the present application.

[0064] Figure 9 Structure diagram of the battery replacement protective cover for the embodiment 2 of the present application.

[0065] Explanation of reference signs:

[0066] Protective cover body 1

[0067] Protective cavity 11

[0068] Upper cover plate assembly 12

[0069] Upper cover plate 121

[0070] Upper protective cover frame 122

[0071] Cross beam 1221

[0072] Longitudinal beam 1222

[0073] Side cover plate assembly 13

[0074] Side cover plate 131

[0075] Side protective cover frame 132

[0076] Side column 1321

[0077] Side beam 1322

[0078] First reinforcing member 14

[0079] Fourth reinforcing member 15

[0080] First connecting assembly 2

[0081] Horizontal connecting plate 21

[0082] Vertical connecting plate 22

[0083] Second reinforcing member 23

[0084] Protective structure 3

[0085] First channel 31

[0086] Baffle 32

[0087] Baffle body 321

[0088] Second flange 322

[0089] Second connecting assembly 33

[0090] Connecting rod 331

[0091] Connecting seat 332

[0092] Connecting body 333

[0093] Side connecting plate 334

[0094] Avoidance groove 335

[0095] First flange 336

[0096] Third reinforcing member 34

[0097] Rear cover plate 4

[0098] Second channel 41

[0099] Front end shielding structure 5

[0100] Rear end shielding structure 6

[0101] Socket structure 7

[0102] Electric truck 100

[0103] Vehicle body longitudinal beam 101

[0104] Battery replacement protective cover 103 DETAILED DESCRIPTION

[0105] The present application will be more fully understood from the following embodiments taken in conjunction with the accompanying drawings, although the present application is not limited to the embodiments described.

[0106] Embodiment 1

[0107] As Figures 1 to 7 shown, the present embodiment provides a battery replacement protective cover 103. Among them, Figure 4 is a side view of the battery replacement protective cover 103, which is viewed along the direction perpendicular to the vehicle body longitudinal beam 101; Figure 6 is a front view of the battery replacement protective cover 103, which is viewed from the vehicle head side to the vehicle tail side of the electric truck 100; Figure 7Fig. 6 is a rear view of the battery replacement shield 103, viewed from the rear side of the electric truck 100 to the front side of the electric truck 100.

[0108] The battery replacement shield 103 is mounted on the electric truck 100, preferably, the battery replacement shield 103 is mounted on the body longitudinal beam 101 or the quick replacement bracket of the electric truck 100. For ease of description, the battery replacement shield 103 is mounted on the body longitudinal beam 101 of the electric truck 100 in the following description.

[0109] The battery replacement shield 103 includes a shield body 1 and a first connecting assembly 2. The shield body 1 has a protection cavity 11 for accommodating a battery pack mounted on the electric truck 100. The first connecting assembly 2 is arranged on the shield body 1 and is used to connect the shield body 1 to the electric truck 100. The protection cavity 11 of the shield body 1 is used to accommodate the battery pack of the electric truck 100, so that the shield body 1 can effectively protect the battery pack. The first connecting assembly 2 connects the shield body 1 to the electric truck 100, ensuring the firmness and stability of the connection between the shield body 1 and the electric truck 100. The provision of the battery replacement shield 103 can avoid the contamination of the battery pack by mud, water or other foreign matters, especially during vehicle driving at high speed, the battery pack is easily impacted by foreign matters. The battery replacement shield 103 can block the impact of foreign matters on the battery pack, avoiding damage to the battery pack, ensuring the service life of the battery pack, and thus improving the driving safety of the electric truck 100.

[0110] In the present embodiment, the shield body 1 includes an upper cover plate assembly 12 arranged on the upper side of the battery pack. The upper cover plate assembly 12 includes an upper cover plate 121 and an upper shield frame 122. The upper shield frame 122 includes a plurality of staggered connecting cross beams 1221 and longitudinal beams 1222. The upper cover plate 121 is connected to the outer side of the cross beams 1221 and the longitudinal beams 1222. The upper cover plate assembly 12 protects the battery pack from above. The upper cover plate 121 can prevent the contamination of the battery pack by mud, water or other foreign matters above the battery pack, and prevent falling objects from impacting the battery pack. The upper shield frame 122 can provide stable support for the upper cover plate 121, improve the strength and impact resistance of the upper cover plate assembly 12, and thus improve the protection performance of the battery pack.

[0111] In the embodiment, the shroud body 1 further comprises side cover plate assemblies 13, which are respectively arranged on the two sides of the battery pack. The side cover plate assemblies 13 are connected with the upper cover plate assembly 12 and surround the protection chamber 11. The side cover plate assemblies 13 comprise side cover plates 131 and side shroud frames 132. The side shroud frames 132 comprise a plurality of staggered side columns 1321 and side beams 1322. The upper ends of the side columns 1321 are connected to the upper shroud frame 122, and the lower ends of the side columns 1321 are connected to the side beams 1322. The side cover plates 131 are connected to the outer sides of the side columns 1321 and the side beams 1322. The side cover plate assemblies 13 can protect the battery pack on the two sides of the battery pack. The side cover plates 131 can prevent mud, water or other foreign matters on the side of the battery pack from polluting the battery pack and prevent flying foreign matters from impacting the battery pack. The side shroud frames 132 can provide stable support for the side cover plates 131, improve the strength and impact resistance of the side cover plate assemblies, and further improve the protection performance of the battery pack. Specifically, in the embodiment, the side cover plate assemblies 13 are respectively arranged on the two sides of the battery pack, which means that the two sides of the battery pack parallel to the vehicle body longitudinal beam 101 are respectively provided with the side cover plate assemblies 13.

[0112] In the embodiment, the shroud body 1 further comprises a first reinforcing member 14. One end of the first reinforcing member 14 is connected to the upper shroud frame 122, and the other end of the first reinforcing member 14 is connected to the side shroud frame 132. The first reinforcing member 14 can strengthen the connection between the upper shroud frame 122 and the side shroud frame 132, making the connection between the two more firm, and further strengthening the overall structural strength of the battery swap shroud 103.

[0113] In the embodiment, the shroud body 1 further comprises a fourth reinforcing member 15. The fourth reinforcing member 15 is arranged between the side column 1321 and the upper shroud frame 122. The side column 1321, the upper shroud frame 122 and the fourth reinforcing member 15 form a triangular structure, which has better stability. Meanwhile, the fourth reinforcing member 15 is also arranged between the side column 1321 and the side beam 1322 to strengthen the connection between the side column 1321 and the side beam 1322 and the overall structural strength of the side cover plate assemblies 13. In other embodiments, the arrangement position of the fourth reinforcing member 15 can be one of the above arrangement modes, or a combination of part or all of the above arrangement modes.

[0114] In an embodiment, the first connecting assembly 2 comprises a fixedly connected horizontal connecting plate 21 and a vertical connecting plate 22, the vertical connecting plate 22 is connected to the electric truck 100, and the horizontal connecting plate 21 is connected to the inner side of the shroud body 1. The vertical connecting plate 22 of the first connecting assembly 2 can be conveniently connected to the mounting part (such as the vehicle body longitudinal beam 101) of the electric truck 100, saving space and being firmly connected; the horizontal connecting plate 21 of the first connecting assembly 2 is connected to the inner side of the shroud body 1, and the horizontal connecting plate 21 can be attached to the inner side of the shroud body 1, facilitating connection and being firmly connected.

[0115] In an embodiment, the first connecting assembly 2 further comprises a second reinforcing piece 23, one side of the second reinforcing piece 23 being connected to the vertical connecting plate 22, and the other side of the second reinforcing piece 23 being connected to the shroud body 1. The two ends of the second reinforcing piece 23 are respectively connected to the vertical connecting plate 22 and the shroud body 1, thereby strengthening the connection strength between the first connecting assembly 2 and the shroud body 1 and improving the reliability of the connection therebetween.

[0116] In an embodiment, the number of the first connecting assemblies 2 is multiple, the multiple first connecting assemblies 2 are arranged at intervals, and an avoiding space is formed between adjacent first connecting assemblies 2. The arrangement of the multiple first connecting assemblies 2 can further strengthen the connection between the shroud body 1 and the electric truck 100 and improve the firmness of the installation of the battery swap shroud 103; the avoiding space between the multiple first connecting assemblies 2 facilitates the installation of the battery swap shroud 103 to avoid the fast-changing support, the locking mechanism of the electric truck 100 and other parts of the electric truck 100, etc. Specifically, the above-mentioned first connecting assemblies 2 are arranged at intervals in the direction of the vehicle body longitudinal beam 101.

[0117] In an embodiment, the battery swap shroud 103 further comprises a protection structure 3 surrounding the side of the battery pack close to the front of the electric truck 100, and the protection structure 3 is connected to the electric truck 100 and the shroud body 1; the battery swap shroud 103 further comprises a rear side cover plate 4 surrounding the side of the battery pack close to the rear of the electric truck 100, and the rear side cover plate 4 is connected to the shroud body 1. The protection structure 3 protects the battery pack in front of the battery pack, which can prevent the mud, water or other foreign matters in front of the battery pack from polluting the battery pack and prevent the foreign matters from hitting the battery pack; the rear side cover plate 4 protects the battery pack in the rear of the battery pack, which can prevent the mud, water or other foreign matters in the rear of the battery pack from polluting the battery pack and prevent the foreign matters from hitting the battery pack. In other embodiments, the protection structure 3 and the rear side cover plate 4 can be connected only to the electric truck 100, only to the shroud body 1, or to both the electric truck 100 and the shroud body 1, and the present embodiment does not make specific limitations.

[0118] In an embodiment, the protection structure 3 has a first channel 31, the rear cover plate 4 has a second channel 41, and the first channel 31 and the second channel 41 are respectively communicated with the protection cavity 11. The first channel 31 and the second channel 41 are provided to enable the battery replacement shield 103 to avoid the body longitudinal beam 101, the quick replacement bracket, and other components on the electric truck 100 when the battery replacement shield 103 is installed on the electric truck 100.

[0119] In an embodiment, the protection structure 3 includes two baffle plates 32 and two second connecting assemblies 33, the two baffle plates 32 are connected to the electric truck 100 through the second connecting assemblies 33, and the baffle plates 32 are connected to the shield body 1, and the first channel 31 is formed between the two baffle plates 32. The two baffle plates 32 protect the battery pack from the front, prevent the battery pack from being contaminated by mud, water, or other foreign matters in front of the battery pack, and prevent foreign matters from flying and hitting the battery pack. The second connecting assemblies 33 connect the baffle plates 32 to the electric truck 100, improve the installation stability of the baffle plates 32, and further improve the firmness of the connection between the protection structure 3 and the electric truck 100. Meanwhile, the first channel 31 formed between the two baffle plates 32 facilitates the battery replacement shield 103 to avoid the body longitudinal beam 101, the quick replacement bracket, and other components on the electric truck 100 when the battery replacement shield 103 is installed.

[0120] In an embodiment, the second connecting assembly 33 includes a connecting body 333 and two side connecting plates 334, the connecting body 333 is connected to the baffle plate 32, the two side connecting plates 334 are respectively connected to the two sides of the connecting body 333 and form an avoiding groove 335 towards the electric truck 100 with the connecting body 333, and the side connecting plate 334 close to the electric truck 100 has a first flange 336, and the first flange 336 is connected to the electric truck 100. The side connecting plates 334 on the two sides of the connecting body 333 have the effect of stiffening ribs, which can increase the structural strength of the second connecting assembly 33. The side connecting plates 334 are connected to the electric truck 100 through the first flange 336, which makes the connection between the second connecting assembly 33 and the electric truck 100 more convenient and firm, and improves the firmness and stability of the connection between the protection structure 3 and the electric truck 100.

[0121] In an embodiment, the baffle plate 32 has an inclined surface, which gradually inclines towards the battery pack from the side connected to the electric truck 100 to the side away from the electric truck 100. The side of the baffle plate 32 towards the front of the electric truck 100 is its windward side, which will bear a larger wind load during the driving of the electric truck 100. The baffle plate 32 has an inclined surface, which is conducive to dispersing the airflow and making the airflow flow along the inclined surface, thereby reducing the wind load resistance of the baffle plate 32 during the forward movement of the electric truck 100. In addition, the baffle plate 32 has the inclined surface described above, which helps the foreign matter falling on the baffle plate 32 to slide off quickly, avoiding the deposition of foreign matter on the baffle plate 32. In other embodiments, the baffle plate 32 can also have a curved surface, the convex direction of the curved surface of the baffle plate 32 being away from the battery pack, so as to disperse the airflow and reduce the resistance, and at the same time, the curved surface helps the foreign matter falling on the baffle plate 32 to slide off quickly, avoiding the deposition of foreign matter on the baffle plate 32.

[0122] In an embodiment, the baffle plate 32 includes a baffle plate body 321 and a second flange 322, the second flange 322 extending along each side of the baffle plate body 321 towards the battery pack and being connected to the shroud body 1, and the protection structure 3 further includes a third reinforcing member 34, which is arranged on the side of the baffle plate body 321 facing the battery pack and is connected to the baffle plate body 321 and the second flange 322. The second flange 322 arranged along the side of the baffle plate 32 is connected to the shroud body 1, so that the connection between the baffle plate 32 and the shroud body 1 is more firm, and the second flange 322 can shield and protect the battery pack from the side of the baffle plate 32, providing more comprehensive protection for the battery pack. In addition, the side of the baffle plate 32 close to the battery pack is provided with the third reinforcing member 34, which can act as a stiffening rib of the baffle plate 32 to increase the strength of the baffle plate 32, and also can act as a connecting member to strengthen the connection between the baffle plate 32 and the second flange 322.

[0123] In an embodiment, the battery replacement shroud 103 further includes a rear end shielding structure 6, which covers the rear area of the side of the battery pack close to the rear of the electric truck 100 and is connected to the shroud body 1. The rear end shielding structure 6 can shield the structure behind the battery pack and the second channel 41, preventing mud, water and other foreign matter from entering. Specifically, in the present embodiment, the rear end shielding structure 6 is connected to the shroud body 1, and in other embodiments, the rear end shielding structure 6 can also be directly connected to the vehicle body longitudinal beam 101 of the electric truck 100. Of course, the rear end shielding structure 6 can also be connected to the shroud body 1 and the vehicle body longitudinal beam 101 respectively, and the present embodiment does not make specific limitations.

[0124] It should be noted that the upper cover plate assembly 12, the side cover plate assembly 13, the protection structure 3, the rear cover plate 4 and the rear end shielding structure 6 can be simultaneously provided, separately provided, or arbitrarily combined according to actual conditions, and the above embodiments are not specifically limited.

[0125] In the embodiment, the battery replacement protection cover 103 further comprises a socket structure 7, which is arranged on the cover body 1 and electrically connected to the vehicle end electrical connector of the electric truck 100 for charging the battery pack. The socket structure 7 is connected to the vehicle end electrical connector of the electric truck 100, which is further connected to the electrical connector of the battery pack. When the electric truck 100 is inconvenient to replace the battery pack, the battery pack can be directly charged through the socket structure 7, ensuring the normal driving of the electric truck 100.

[0126] In the embodiment, the socket structure 7 comprises a socket body and a socket cover plate. The socket body is connected to the cover body 1 and electrically connected to the vehicle end electrical connector of the electric truck 100. The socket cover plate is arranged on the socket body and hinged to the socket body. The socket body is connected to the vehicle end electrical connector of the electric truck 100, so that the battery pack can be directly charged through the socket body, increasing the flexibility of charging. The socket cover plate is arranged on the outside of the socket body to protect the socket body from foreign matter. The socket cover plate is hinged to the socket body, facilitating the opening of the socket cover plate.

[0127] In the embodiment, the socket structure 7 further comprises a resilient member, the two ends of which are connected to the socket body and the socket cover plate respectively. The resilient member is arranged to exert an opening force on the socket cover plate. The resilient member keeps the relative positions of the socket cover plate and the socket body unchanged after the socket cover plate is opened, so that the socket cover plate can remain in an open state, facilitating the electrical connection between the socket body and the outside. Preferably, the resilient member can be, but is not limited to, a circlip.

[0128] In the embodiment, the battery replacement protection cover 103 is mounted on the body longitudinal beam 101 of the electric truck 100 and connected to the body longitudinal beam 101 through the first connecting assembly 2, so that the space on both sides of the body longitudinal beam 101 can be more reasonably utilized, and the structural layout is more compact. In other embodiments, the battery replacement protection cover 103 can be mounted on the quick replacement bracket of the electric truck 100, so that the quick replacement bracket and the battery replacement protection cover 103 are not connected to the body longitudinal beam 101 of the electric truck 100 at the same time, facilitating the installation of the battery replacement protection cover 103. Of course, in other embodiments, the battery replacement protection cover 103 can be connected to the body longitudinal beam 101 and the quick replacement bracket at the same time to enhance the firmness and stability of the installation of the battery replacement protection cover 103.

[0129] As shown in FIG. 1, the battery replacement protection cover 103 is arranged on the body longitudinal beam 101 of the electric truck 100. The battery replacement protection cover 103 comprises a cover body 1 and a first connecting assembly 2. The cover body 1 is arranged on the body longitudinal beam 101 of the electric truck 100. The first connecting assembly 2 is arranged on the cover body 1 and connected to the body longitudinal beam 101 of the electric truck 100. Figure 8As shown, this embodiment also provides an electric truck 100, which includes the aforementioned battery swapping cover 103. The battery swapping cover 103 is connected to the longitudinal beam 101 of the electric truck 100 or to the quick-change bracket, or the battery swapping cover 103 is simultaneously connected to both the longitudinal beam 101 and the quick-change bracket. By providing the battery swapping cover 103, the electric truck 100 of this embodiment can prevent the battery pack from being contaminated by mud, water, or other foreign objects. Especially during vehicle operation, due to the high speed, the battery pack is easily impacted by foreign objects. The battery swapping cover 103 can block foreign objects from impacting the battery pack, preventing damage and ensuring the battery pack's service life, thereby improving the driving safety of the electric truck 100. Furthermore, the battery swapping cover 103, connected to the longitudinal beam 101, can more rationally utilize the space on both sides of the longitudinal beam 101, making the structural layout more compact.

[0130] Example 2

[0131] This embodiment is basically the same in structure as Embodiment 1. The main differences are in the form of the second connecting component 33, the structure of the baffle body 321, and the presence of a front end blocking structure 5 in this embodiment. The specific differences are as follows:

[0132] like Figure 9 As shown, in this embodiment, the second connecting component 33 includes a connecting rod 331 and a connecting seat 332. The connecting seat 332 is disposed on the outer side of the baffle 32. One end of the connecting rod 331 is connected to the connecting seat 332, and the other end of the connecting rod 331 is connected to the electric truck 100. The baffle 32 is connected to the electric truck 100 by the cooperation of the connecting rod 331 and the connecting seat 332, resulting in a simple structure. The connecting rod 331 can be easily installed and disassembled, thereby improving the installation and disassembly efficiency of the baffle 32. Furthermore, in this embodiment, the baffle body 321 is a flat plate without any inclined surfaces, mainly to adapt to the connecting rod 331, facilitating the installation of the connecting rod 331, simplifying processing, and saving costs. Of course, in other embodiments, by bending the connecting rod 331 or adjusting the size of the connecting seat 332 at different positions, the connecting rod 331 can also be adapted to the baffle body 321 with an inclined surface or an arc surface. Therefore, the baffle body 321 in this embodiment can also have an inclined surface or an arc surface, and this embodiment does not make specific limitations.

[0133] In the embodiment, the battery replacement protective cover 103 further comprises a front end shielding structure 5, which is arranged in front of the front area of the battery pack close to the side of the truck head of the electric truck 100 and connected with the cover body 1. The front end shielding structure 5 can shield the motor, gearbox, vehicle end electrical connector and the first channel 31 of the battery replacement protective cover 103 of the electric truck 100, prevent mud, water and other sundries from entering, and further protect the related structures such as electrical connection. Specifically, in the embodiment, the front end shielding structure 5 is connected with the cover body 1, and in other embodiments, the front end shielding structure 5 can also be directly connected with the vehicle body longitudinal beam 101 or the quick replacement support of the electric truck 100. Of course, the front end shielding structure 5 can also be connected with the cover body 1 and the vehicle body longitudinal beam 101 (or the quick replacement support) respectively, and the embodiment does not make specific limitation.

[0134] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A battery swapping cover, installed on an electric truck, characterized in that, The battery swapping cover includes: A protective cover body having a protective chamber for accommodating a battery pack mounted on the electric truck; A first connecting component is disposed on the cover body and is used to connect the cover body to the electric truck. The lower end of the protective chamber is open to allow the battery pack to enter the protective chamber from the bottom up.

2. The battery swapping cover as described in claim 1, characterized in that, The protective cover body includes an upper cover assembly, which covers the upper side of the battery pack. The upper cover assembly includes an upper cover plate and an upper protective cover frame. The upper protective cover frame includes a plurality of crossbeams and longitudinal beams that are connected in an alternating manner. The upper cover plate is connected to the outer side of the crossbeams and the longitudinal beams.

3. The battery swapping cover as described in claim 2, characterized in that, The protective cover body also includes side cover plate assemblies, which are respectively arranged around both sides of the battery pack. The side cover plate assemblies are connected to the upper cover plate assembly and enclose the protective chamber. The side cover plate assembly includes a side cover plate and a side protective cover frame. The side protective cover frame includes a plurality of staggered side columns and side beams. The upper end of the side column is connected to the upper protective cover frame, and the lower end of the side column is connected to the side beam. The side cover plate is connected to the outer surface of the side column and the side beam.

4. The battery swapping cover as described in claim 3, characterized in that, The protective cover body also includes a first reinforcing member, one end of which is connected to the upper protective cover frame, and the other end of which is connected to the side protective cover frame. And / or, The protective cover body also includes a fourth reinforcing member, which is disposed between the side column and the upper protective cover frame, and / or, the fourth reinforcing member is disposed between the side column and the side beam.

5. The battery swapping cover as described in claim 1, characterized in that, The first connecting assembly includes a horizontal connecting plate and a vertical connecting plate that are fixedly connected. The vertical connecting plate is connected to the electric truck, and the horizontal connecting plate is connected to the inner side of the protective cover body.

6. The battery swapping cover as described in claim 5, characterized in that, The first connecting assembly further includes a second reinforcing member, one side of which is connected to the vertical connecting plate, and the other side of which is connected to the protective cover body.

7. The battery swapping cover as described in claim 1, characterized in that, The number of the first connecting components is multiple, and the multiple first connecting components are arranged at intervals, with a clearance space formed between adjacent first connecting components.

8. The battery swapping cover as described in claim 1, characterized in that, The battery swapping cover also includes a protective structure, which surrounds the battery pack on one side near the front of the electric truck and is connected to the electric truck and / or the cover body. And / or, the battery swapping cover also includes a rear side cover, which surrounds the battery pack on one side near the rear of the electric truck and is connected to the electric truck and / or the cover body.

9. The battery swapping cover as described in claim 8, characterized in that, The protective structure has a first channel, and the rear cover has a second channel, with the first channel and the second channel respectively communicating with the protective chamber.

10. The battery swapping cover as described in claim 9, characterized in that, The protective structure includes two baffles and two second connecting components. The two baffles are respectively connected to the electric truck through the second connecting components, and the baffles are connected to the protective cover body, forming the first channel between the two baffles.

11. The battery swapping cover as described in claim 10, characterized in that, The second connecting assembly includes a connecting rod and a connecting seat. The connecting seat is located on the outer side of the baffle. One end of the connecting rod is connected to the connecting seat, and the other end of the connecting rod is connected to the electric truck.

12. The battery swapping cover as described in claim 10, characterized in that, The second connecting assembly includes a connecting body and two side connecting plates. The connecting body is connected to the baffle. The two side connecting plates are respectively connected to both sides of the connecting body and form a clearance groove facing the electric truck. The side connecting plate has a first flange on the side closer to the electric truck, and the first flange is connected to the electric truck.

13. The battery swapping cover as described in claim 12, characterized in that, The baffle has an arc surface, and the convex direction of the arc surface is away from the battery pack; or, The baffle has an inclined surface that gradually slopes from the side connected to the electric truck toward the side away from the electric truck toward the direction closer to the battery pack.

14. The battery swapping cover as described in claim 10, characterized in that, The baffle includes a baffle body and a second flange. The second flange extends along each side of the baffle body toward the battery pack and is connected to the protective cover body. The protective structure also includes a third reinforcing member, which is disposed on the side of the baffle body toward the battery pack and is connected to the baffle body and the second flange.

15. The battery swapping cover as described in claim 1, characterized in that, The battery swapping cover also includes a front shielding structure, which covers the front area of ​​the battery pack on the side near the front of the electric truck and is connected to the electric truck and / or the cover body. And / or, The battery swapping cover also includes a rear-end shielding structure, which covers the rear area of ​​the battery pack on the side near the rear of the electric truck and is connected to the electric truck and / or the cover body.

16. The battery swapping cover as described in claim 1, characterized in that, The battery swapping cover also includes a socket structure, which is disposed on the cover body and electrically connected to the vehicle-end electrical connector of the electric truck for charging the battery pack.

17. The battery swapping cover as described in claim 16, characterized in that, The socket structure includes a socket body and a socket cover. The socket body is connected to the protective cover body and is electrically connected to the vehicle-end electrical connector of the electric truck. The socket cover is disposed on the socket body and is hinged to the socket body.

18. The battery swapping cover as described in claim 17, characterized in that, The socket structure also includes an elastic element, the two ends of which are connected to the socket body and the socket cover, respectively. The elastic element is configured to apply an opening force to the socket cover.

19. The battery swapping cover as described in any one of claims 1 to 18, characterized in that, The battery swapping cover is installed on the longitudinal beams of the electric truck body, and / or the battery swapping cover is installed on the quick-swap bracket of the electric truck.

20. An electric truck, characterized in that, It includes a vehicle body longitudinal beam and a battery swapping cover as described in any one of claims 1-19, the battery swapping cover being connected to the vehicle body longitudinal beam.

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