Battery compartment battery limiting and fixing mechanism

Abstract

The invention discloses a battery compartment battery limiting and fixing mechanism, and particularly relates to the field of electric vehicle accessories, the battery compartment battery limiting and fixing mechanism comprises a compartment side plate assembly, a battery compartment support is arranged on one side of the battery compartment side plate assembly, and a limiting and locking mechanism is connected between the battery compartment side plate assembly and the battery compartment support. The two batteries are transversely limited through the rotary knob, structural design is carried out only through the gap between the two batteries, and the problem of transverse displacement of the batteries in the vehicle movement process is solved under the condition that the structural size is not increased; the whole locking structure is fastened by only one bolt, so that the structural strength is ensured while the mounting is convenient; the knob is easy and convenient to operate and simple in structure, switching between a limiting state and a free state can be completed with one hand, meanwhile, cost is remarkably restrained, the failure rate is remarkably reduced, battery transverse displacement caused by vehicle roll and jolt in the driving process is effectively prevented, and deformation and cracking caused by stress of a battery cover plate are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric vehicle accessories, more particularly, the present application relates to a battery compartment battery limiting and fixing mechanism. BACKGROUND

[0002] At present, in order to improve the endurance mileage of electric two-wheel vehicles, the battery capacity needs to be increased. Due to the limitation of battery technology, the capacity of single battery cannot meet the demand for endurance, so most vehicle enterprises use two single batteries to increase the endurance capacity of the vehicle body. However, there are the following technical defects:

[0003] Unreliable battery fixation: when the vehicle bounces, the battery transversely displaces, causing the battery cover plate to deform and crack; the traditional binding band fixation method requires tools for disassembly;

[0004] Low space utilization: independent locking mechanism occupies storage space (such as the lateral buckle structure of patent CN110949523A);

[0005] Inconvenient maintenance: battery replacement requires the removal of multiple bolts (such as the 4-point fixation scheme of patent JP2020154501A), which is difficult for single person operation;

[0006] Due to the compact layout and structural limitations, most electric two-wheel vehicles can only place the battery in the plastic part of the vehicle body, which cannot be disassembled and replaced, and has a greater impact on the commodity nature. In addition, due to the large volume and mass of the battery, it is easy to jump during driving, and the battery cover plate deforms outward under the reaction force, causing the appearance part to crack, affecting the appearance of the whole vehicle. At the same time, the large width of the vehicle body affects the driving comfort. SUMMARY

[0007] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present application provide a battery compartment battery limiting and fixing mechanism, and the technical problems to be solved by the present application are: how to improve the design of the existing battery cover plate structure to avoid the transverse displacement of the battery and the deformation and cracking of the battery cover plate caused by the force.

[0008] To achieve the above-mentioned purposes, the present application provides the following technical solutions: a battery compartment battery limiting and fixing mechanism, comprising a battery compartment side plate assembly, one side of the battery compartment side plate assembly is provided with a battery compartment support, and a limiting and locking mechanism is connected between the battery compartment side plate assembly and the battery compartment support;

[0009] The limiting and locking mechanism comprises a battery compartment knob, a knob mounting base and a knob fixing bolt, the knob fixing bolt is used for fixing the relative position of the battery compartment knob and the knob mounting base, the knob fixing bolt is externally sleeved with a knob inner lining sleeve, the knob inner lining sleeve is externally sleeved with a knob spring, and an installation groove is formed at the connection position of the battery compartment knob and the knob inner lining sleeve, and a fixed protruding strip is further fixed to the outer wall of the battery compartment knob.

[0010] In a preferred embodiment, the battery compartment side plate assembly comprises a battery compartment plate body, the battery compartment plate body is provided with a battery I installation groove and a battery II installation groove, the battery I installation groove and the battery II installation groove both penetrate through the battery compartment plate body, and an adjusting groove is formed at the connection position between the battery I installation groove and the battery II installation groove and the battery compartment knob.

[0011] A turning hole is formed at the center of the adjusting groove and the connection position of the battery compartment knob, the turning hole penetrates through the battery compartment plate body, and a limiting protruding block is fixed to the outer wall of the adjusting groove.

[0012] In a preferred embodiment, the battery compartment side plate assembly is integrally injection molded by plastic, the battery compartment plate body is internally provided with a reinforcing rib structure and adaptively provided with a curved special-shaped protruding structure, and the battery compartment plate body is further provided with a suitable bolt installation hole.

[0013] In a preferred embodiment, the battery compartment support comprises a support body, the support body is provided with a battery I installation cavity and a battery II installation cavity.

[0014] The battery I installation cavity is installed in position with the battery I installation groove, and the battery II installation cavity is installed in position with the battery II installation groove.

[0015] In a preferred embodiment, the support body is fixedly formed by welding a plurality of steel profiles, and the support body and the battery compartment plate body are fixed by bolts and gaskets.

[0016] In a preferred embodiment, the size of the support body is smaller than that of the battery compartment plate body, the size of the battery I installation cavity is not less than that of the battery I installation groove, and the size of the battery II installation cavity is not less than that of the battery II installation groove.

[0017] In a preferred embodiment, the knob mounting base is threadedly connected with the knob fixing bolt, and the end of the knob mounting base away from the knob fixing bolt is welded with the support body.

[0018] Technical effects and advantages of the application:

[0019] The application utilizes a rotatable knob to limit two batteries in the lateral direction, only utilizes the gap between the two batteries for structural design, solves the problem of lateral displacement of the batteries in the vehicle movement without increasing the structure volume; the whole locking structure is fastened by only one bolt, which is convenient to install and ensures the strength of the structure; the knob is easy to operate, the structure is simple, the switching between the limiting and free states can be completed by one hand, the cost is significantly inhibited and the failure rate is reduced, the lateral displacement of the batteries caused by the vehicle roll and bumping in the driving process is effectively prevented, and the deformation and cracking of the battery cover plate caused by stress are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the schematic diagram of the overall structure of the application in the free state.

[0021] Figure 2 It is the schematic diagram of the overall structure of the application in the free state. Figure 1 It is the enlarged view of the structure of A part in the application.

[0022] Figure 3 It is the schematic diagram of the overall structure of the application in the locked state.

[0023] Figure 4 It is the schematic diagram of the overall structure of the application in the locked state. Figure 3 It is the enlarged view of the structure of B part in the application.

[0024] Figure 5 It is the schematic diagram of the overall structure of the application in the locked state.

[0025] Figure 6 It is the schematic diagram of the battery compartment side plate assembly structure of the application.

[0026] Figure 7 It is the schematic diagram of the battery compartment side plate assembly structure of the application. Figure 6 It is the enlarged view of the structure of C part in the application.

[0027] Figure 8 It is the schematic diagram of the limiting and locking mechanism structure of the application.

[0028] Figure 9 It is the schematic diagram of the limiting and locking mechanism structure of the application.

[0029] The reference signs are: 1 battery compartment side plate assembly, 2 battery compartment support, 3 limiting and locking mechanism;

[0030] 11 battery compartment plate main body, 12 adjusting groove, 13 turning hole, 14 limiting protrusion, 15 battery I installation groove, 16 battery II installation groove;

[0031] 21 support main body, 22 battery I installation cavity, 23 battery II installation cavity;

[0032] 31 battery compartment knob, 32 knob mounting base, 33 knob fixing bolt, 34 knob inner bushing sleeve, 35 knob spring, 36 mounting groove, 37 fixed protrusions. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] The present application provides a battery compartment battery limiting and fixing mechanism as shown in Figures 1-4 The present application provides a battery compartment battery limiting and fixing mechanism as shown in

[0035] The present application provides a battery compartment battery limiting and fixing mechanism as shown in Figure 4 And 8 -9, the limiting and fixing mechanism 3 comprises a battery compartment knob 31, a knob mounting base 32 and a knob fixing bolt 33, the knob fixing bolt 33 is used for fixing the relative position of the battery compartment knob 31 and the knob mounting base 32, the material of the battery compartment knob 31 is Q235 steel, aluminum alloy or high-strength engineering plastic, the knob fixing bolt 33 is externally provided with a knob inner bushing sleeve 34, the knob inner bushing sleeve 34 is externally provided with a knob spring 35, and the connecting part of the battery compartment knob 31 and the knob inner bushing sleeve 34 is provided with a mounting groove 36, and the outer wall of the battery compartment knob 31 is further provided with fixed protrusions 37; the knob mounting base 32 is threadedly connected with the knob fixing bolt 33, and the end of the knob mounting base 32 away from the knob fixing bolt 33 is welded and fixed with the bracket body 21;

[0036] The present application provides a battery compartment battery limiting and fixing mechanism as shown in Figures 6-7, battery compartment side plate assembly 1 includes battery compartment plate body 11, battery compartment plate body 11 is provided with battery I installation slot 15 and battery II installation slot 16, battery I installation slot 15 and battery II installation slot 16 all penetrate battery compartment plate body 11, and the connecting part of battery I installation slot 15 and battery II installation slot 16 and battery compartment knob 31 is provided with adjusting groove 12; adjusting groove 12 center and the connecting part of battery compartment knob 31 are provided with turning hole 13, turning hole 13 penetrates battery compartment plate body 11, and the outer wall of adjusting groove 12 is fixedly provided with limiting lug 14, limiting lug 14 is provided with upper limiting block and lower blocking block; battery compartment side plate assembly 1 is integrally injection molded by plastic, and the battery compartment plate body 11 is provided with a reinforcing rib structure and a curved special-shaped protruding structure, and the battery compartment plate body 11 is also provided with a suitable bolt mounting hole;

[0037] As shown in Figure 5 , battery compartment support 2 includes support body 21, and support body 21 is provided with battery I installation cavity 22 and battery II installation cavity 23; battery I installation cavity 22 is installed in position with battery I installation slot 15, and battery II installation cavity 23 is installed in position with battery II installation slot 16; support body 21 is fixedly formed by welding a plurality of section steels, and support body 21 and battery compartment plate body 11 are fixed by bolts and gaskets; the size of support body 21 is smaller than the size of battery compartment plate body 11, the size of battery I installation cavity 22 is not less than the size of battery I installation slot 15, and the size of battery II installation cavity 23 is not less than the size of battery II installation slot 16.

[0038] The embodiment is specifically: as shown in Figures 1-4 , battery compartment battery limiting and fixing mechanism is composed of battery compartment side plate assembly 1, battery compartment support 2 and limiting and locking mechanism 3, which is suitable for the battery compartment of electric two-wheeled vehicle, electric three-wheeled vehicle or light electric vehicle; when assembling, first, knob installation base 32 and battery compartment support 2 are fixed by welding in adaptive position, then battery I installation cavity 22 and battery I installation slot 15 are installed in position, battery II installation cavity 23 and battery II installation slot 16 are installed in position, and battery compartment side plate assembly 1 and battery compartment support 2 are fixed by using bolts and gaskets; battery compartment knob 31 is installed in turning hole 13 position, knob inner sleeve 34 and knob spring 35 are sequentially sleeved outside knob fixing bolt 33, locking of knob fixing bolt 33 and knob installation base 32 is completed through installation slot 36, and the assembly of limiting and locking mechanism 3 is completed;

[0039] As shown in Figures 1-2When the battery is not limited, the battery compartment knob 31 is limited by the installation groove 36 and the length of the knob spring 35 is contracted, at this time the battery compartment knob 31 does not contact the adjusting groove 12, and the battery compartment knob 31 is rotated counterclockwise by the fixed protrusions 37, the upper limiting block loses the limiting of the battery compartment knob 31, and the battery compartment knob 31 is kept in a horizontal position by the lower blocking block, when the limiting locking mechanism 3 is in a free state (the battery compartment knob 31 is arranged in parallel with the adjusting groove 12), two batteries are sequentially loaded into the battery I installation cavity 22 by the battery I installation groove 15 and the battery II installation cavity 23 by the battery II installation groove 16, and the battery compartment knob 31 is rotated clockwise again, so that the battery compartment knob 31 is not in a parallel state with the adjusting groove 12, and the battery compartment knob 31 limits the positions of the battery I installation groove 15 and the battery II installation groove 16, avoiding the battery from being loose from the battery I installation cavity 22 and the battery II installation cavity 23;

[0040] As shown in Figures 3-4 , the limiting locking mechanism 3 is in a locked state, and the battery compartment knob 31 is rotated to the position shown in the figure, at this time the bottom of the upper battery and the top of the lower battery are blocked by the battery compartment knob 31, and the two groups are transversely limited, and the upper limiting block is arranged to avoid the limiting locking mechanism 3 from being rotated to a free state due to jolting, and also prevent the battery from being transversely displaced due to vehicle roll and jolting.

[0041] As shown in Figure 1 , the present application mainly comprises a battery compartment side plate assembly 1, a knob installation base 2, a knob spring 3, a knob inner liner sleeve 4, a battery compartment knob 5, a knob fixed bolt 6, a battery compartment support 7, an upper battery 8 and a lower battery 9.

[0042] The core structure is shown in Figures 7-9 , wherein the support body 21 is welded with the frame to provide support and positioning for the whole device; the protruding structures on both sides of the battery compartment knob 31 can serve as rotating handles and also limit the battery; the knob inner liner sleeve 34 penetrates the knob spring 35 and is installed in the middle installation groove 36 of the battery compartment knob 31, the knob inner liner sleeve 34 limits the depth of the knob fixed bolt 33, the knob spring 35 exerts an inward pressure on the battery compartment knob 31 in the axial direction, and the battery compartment knob 31 is pressed tightly on the battery; the knob fixed bolt 33 fixes the knob spring 35, the knob inner liner sleeve 34 and the battery compartment knob 31 on the knob installation base 32.

[0043] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0044] Second: the present application discloses the embodiment in the drawing, only relates to the structure involved in the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0045] Finally: the above only for the preferred embodiment of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A battery compartment battery limiting and fixing mechanism, characterized in that: Including the battery compartment side plate assembly (1), one side of the battery compartment side plate assembly (1) is provided with a battery compartment support (2), and a limiting locking mechanism (3) is connected between the battery compartment side plate assembly (1) and the battery compartment support (2); The limiting locking mechanism (3) includes a battery compartment knob (31), a knob mounting base (32) and a knob fixing bolt (33), the knob fixing bolt (33) is used for fixing the relative position of the battery compartment knob (31) and the knob mounting base (32), the knob fixing bolt (33) is externally sleeved with a knob inner sleeve (34), the knob inner sleeve (34) is externally sleeved with a knob spring (35), and a mounting groove (36) is formed at the connection between the battery compartment knob (31) and the knob inner sleeve (34), and a fixed protruding strip (37) is further fixed on the outer wall of the battery compartment knob (31).

2. The battery compartment battery limiting and fixing mechanism according to claim 1, characterized in that: The battery compartment side plate assembly (1) includes a battery compartment plate main body (11), the battery compartment plate main body (11) is provided with a battery I installation slot (15) and a battery II installation slot (16), the battery I installation slot (15) and the battery II installation slot (16) penetrate through the battery compartment plate main body (11), and an adjusting groove (12) is formed at the connection between the battery I installation slot (15) and the battery II installation slot (16) and the battery compartment knob (31). A turning hole (13) is formed at the center of the adjusting groove (12) and the connection with the battery compartment knob (31), the turning hole (13) penetrates through the battery compartment plate main body (11), and a limiting protruding block (14) is fixedly arranged on the outer wall of the adjusting groove (12).

3. The battery compartment battery limiting and fixing mechanism according to claim 2, characterized in that: The battery compartment side plate assembly (1) is integrally injection molded by plastic, the battery compartment plate main body (11) is internally provided with a reinforcing rib structure and adaptively provided with a curved special-shaped protruding structure, and the battery compartment plate main body (11) is further provided with applicable bolt mounting holes.

4. The battery compartment battery limiting and fixing mechanism according to claim 2, characterized in that: The battery compartment support (2) includes a support body (21), the support body (21) is provided with a battery I installation cavity (22) and a battery II installation cavity (23); The battery I installation cavity (22) is installed in position with the battery I installation slot (15), and the battery II installation cavity (23) is installed in position with the battery II installation slot (16).

5. The battery compartment battery limiting and fixing mechanism according to claim 4, characterized in that: The support body (21) is fixedly formed by welding a plurality of section steels, and the support body (21) and the battery compartment plate main body (11) are fixed by bolts and gaskets.

6. The battery compartment battery limiting and fixing mechanism according to claim 4, characterized in that: The size of the support body (21) is smaller than that of the battery compartment plate main body (11), the size of the battery I installation cavity (22) is not less than that of the battery I installation slot (15), and the size of the battery II installation cavity (23) is not less than that of the battery II installation slot (16).

7. The battery compartment battery limiting and fixing mechanism according to claim 4, characterized in that: The knob mounting base (32) is threadedly connected with the knob fixing bolt (33), and the end of the knob mounting base (32) away from the knob fixing bolt (33) is welded with the support body (21).

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