Mower battery pack

Abstract

The utility model discloses a mower battery pack which comprises a shell, a damping frame, a plurality of batteries, a circuit board and a flexible circuit board, the damping frame is arranged in the shell; a plurality of circular mounting holes are uniformly and symmetrically formed in the two sides of the damping frame; in the plurality of mounting holes on each side, the circle centers of every three adjacent mounting holes are sequentially connected to form an equilateral triangle; two ends of each battery are respectively arranged in the two symmetrical mounting holes, and the plurality of batteries are uniformly spaced and are not in contact with each other; the circuit board is arranged at the bottom of the damping frame and is separated from the plurality of batteries; the flexible circuit boards are arranged on the outer sides of the two sides of the damping frame. And the flexible circuit board is electrically connected with the plurality of batteries and the circuit board respectively. The shock-absorbing protective device has a shock-absorbing protective function.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the battery pack technical field, concretely relates to a lawn mower battery pack. BACKGROUND

[0002] The lawn mower is also called the weeder, the grass cutter, the lawn trimmer and the like. The lawn mower is a mechanical tool for trimming the lawn, the vegetation and the like. It is composed of the cutter head, the engine, the walking wheel, the walking mechanism, the blade, the handrail and the control part. The cutter head is mounted on the walking wheel, the cutter head is provided with the engine, the output shaft of the engine is provided with the blade, the blade is greatly improved in the speed by the high-speed rotation of the engine, the operation time of the weeding worker is saved, and a large amount of human resources is reduced. The lithium battery is usually used as the power source of the lawn mower to replace the traditional fuel-driven mechanical equipment.

[0003] The lawn mower often brings strong vibration in the use process, therefore, the battery needs the good mechanical structure to prevent the harm caused by the vibration in the use process. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a lawn mower battery pack to solve the above technical problem.

[0005] The utility model adopts the following solutions to realize the technical effects:

[0006] A lawn mower battery pack, including shell, shock frame, a plurality of batteries, circuit board and flexible circuit board, the shock frame is arranged in the shell, the shock frame both sides are evenly provided with a plurality of round mounting holes, in each side the plurality of mounting holes, every three mutually adjacent mounting hole center is connected in turn and the shape is equilateral triangle, both ends of each battery are arranged in two symmetrical mounting holes, the plurality of batteries are evenly spaced and not contacted, the circuit board is arranged in the bottom of the shock frame and is spaced apart from the plurality of batteries, the flexible circuit board is arranged on the outside of the both sides of the shock frame, the flexible circuit board is electrically connected with the plurality of batteries and the circuit board respectively.

[0007] Preferably, the shell includes a bottom box and a top cover, the shock frame is arranged in the bottom box, and the top cover is arranged on the top of the bottom box.

[0008] Preferably, the bottom box is provided with a clamping plate on both sides, a support frame is arranged on the inner side of the bottom of the clamping plate, a lock frame is arranged on the inner bottom of the bottom box, the shock frame is clamped between the clamping plates, and the bottom of the shock frame is arranged on the support frame, and both ends of the circuit board are fixedly connected with the lock frame by screws.

[0009] Preferably, the shock-absorbing frame is provided with protective pads on both sides; the protective pads cover the outer side of the flexible circuit board; the clamping plate is clamped on the outer side of the protective pads.

[0010] Preferably, the bottom of the top cover is provided with a pressing plate; the top of the shock-absorbing frame is provided with a clamping strip; the bottom of the pressing plate is pressed on the top of the shock-absorbing frame, and the bottom of the pressing plate is clamped between the clamping strips.

[0011] Preferably, the top of the shock-absorbing frame is provided with a monitoring circuit board.

[0012] Preferably, the side walls of the shock-absorbing frame are uniformly provided with a plurality of shock-absorbing and heat-dissipating holes; each shock-absorbing and heat-dissipating hole is located at the middle part between three mutually adjacent mounting holes.

[0013] Preferably, the shock-absorbing frame is connected and fixed by two shock-absorbing frames through a connecting frame; the outer side of the shock-absorbing frame on both sides is provided with a plurality of limiting blocks around the edge of each mounting hole.

[0014] The utility model discloses the beneficial effect is: set up shock-absorbing frame, a plurality of batteries set up in shock-absorbing frame again install shock-absorbing frame to the shell, and each battery of battery pack is separated by shock-absorbing frame, and the physical influence is less with each other, and the midpoint of the mounting hole of every three adjacent batteries can be connected into equilateral triangle, and the structure of equilateral triangle is more stable and resistant to earthquake, and the structure arrangement of assembly arrangement is reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a battery pack whole schematic diagram for embodiment of the utility model;

[0016] Figure 2 The utility model discloses a battery pack open top cover schematic diagram for embodiment of the utility model;

[0017] Figure 3 The utility model discloses a bottom shell internal schematic diagram for embodiment of the utility model;

[0018] Figure 4 The utility model discloses a battery pack top cover and bottom shell schematic diagram for embodiment of the utility model;

[0019] Figure 5 The utility model discloses a shock-absorbing frame, battery and flexible circuit board schematic diagram for embodiment of the utility model;

[0020] Figure 6 The utility model discloses a shock-absorbing frame schematic diagram for embodiment of the utility model;

[0021] Figure 7 The utility model discloses a top cover internal schematic diagram for embodiment of the utility model.

[0022] Identifying description: 1 - shell, 11 - bottom shell, 12 - top cover, 13 - clamping plate, 14 - support frame, 15 - lock frame, 16 - pressing plate, 17 - clamping strip, 2 - shock absorbing frame, 3 - battery, 4 - circuit board, 5 - flexible circuit board, 6 - mounting hole, 7 - protective gasket, 8 - monitoring circuit board, 9 - shock absorbing heat dissipation hole, 10 - limiting stop. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail with the help of the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model. It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to another element or there can be a middle element. When an element is referred to as "fixedly connected to" another element, it can be fixedly connected to another element by means of common fixed connection methods such as welding or bolt connection or adhesive connection.

[0024] Please refer to Figures 1-7 The utility model discloses a mower battery pack in preferred embodiment, including shell 1, shock absorbing frame 2, a plurality of batteries 3, circuit board 4 and flexible circuit board 5, shock absorbing frame 2 sets up in shell 1, shock absorbing frame 2 both sides evenly symmetrical and is provided with a plurality of round mounting hole 6, in every side a plurality of mounting hole 6, every three mutually adjacent mounting hole 6's centre is connected in turn and the shape that constitutes is equilateral triangle, the both ends of every battery 3 are provided in two symmetrical mounting hole 6, a plurality of batteries 3 evenly spaced and do not contact, circuit board 4 sets up in the bottom of shock absorbing frame 2 and is spaced apart with a plurality of batteries 3, flexible circuit board 5 sets up in the outside of shock absorbing frame 2 both sides, flexible circuit board 5 is electrically connected with a plurality of batteries 3 and circuit board 4 respectively.

[0025] Specifically, the shell 1 includes a bottom box 11 and a top cover 12; the shock absorbing frame 2 is arranged in the bottom box 11; and the top cover 12 covers the top of the bottom box 11.

[0026] Specifically, the two sides of the bottom box 11 are provided with clamping plates 13; the inner bottom of the bottom box 11 is provided with a lock frame 15; the shock absorbing frame 2 is clamped between the clamping plates 13, and the bottom of the shock absorbing frame 2 is arranged on the support frame 14; and the two ends of the circuit board 4 are fixedly connected with the lock frame 15 by screws.

[0027] Specifically, the two sides of the shock-absorbing frame 2 are provided with protective pads 7; the protective pads 7 are arranged on the outer side of the flexible circuit board 5; the clamping plates 13 are arranged on the outer side of the protective pads 7.

[0028] Specifically, the bottom of the top cover 12 is provided with a pressing plate 16; the top of the shock-absorbing frame 2 is provided with a clamping strip 17; the bottom of the pressing plate 16 is pressed on the top of the shock-absorbing frame 2, and the bottom of the pressing plate 16 is clamped between the clamping strips 17.

[0029] Specifically, the top of the shock-absorbing frame 2 is provided with a monitoring circuit board 8.

[0030] Specifically, the side walls of the shock-absorbing frame 2 are uniformly and spacedly provided with a plurality of shock-absorbing and heat-dissipating holes 9; each of the shock-absorbing and heat-dissipating holes 9 is located at the middle part between three mutually adjacent mounting holes 6.

[0031] Specifically, the shock-absorbing frame 2 is connected and fixed by two shock-absorbing frames through a connecting frame; the outer side of the two sides of the shock-absorbing frame 2 is provided with a plurality of limiting blocks 10 around the edge of each of the mounting holes 6.

[0032] From the above description, it can be known that the utility model has the shock-absorbing and protecting functions.

[0033] The preferred embodiments of the utility model are described in detail in combination with the drawings of the specification, and it should be indicated that the protection scope of the utility model includes but is not limited to the above-mentioned embodiments; the specific structures disclosed in the drawings of the specification are only the preferred embodiments of the utility model, and the person skilled in the art can also develop other embodiments on the basis, any simple transformation or equivalent replacement without departing from the innovative concept of the utility model is covered in the utility model and belongs to the protection scope of the utility model.

Claims

1. A lawnmower battery pack characterised in that, Include: The shell; Shock attenuation frame; the shock attenuation frame is arranged in the shell; the shock attenuation frame is uniformly and symmetrically arranged with a plurality of circular mounting holes on both sides; among each side of the plurality of mounting holes, the centers of every three mutually adjacent mounting holes are sequentially connected to form an equilateral triangle shape; A plurality of batteries; both ends of each battery are arranged in two symmetric mounting holes, and the plurality of batteries are uniformly spaced and not in contact with each other; Circuit board; the circuit board is arranged between the bottom of the shock attenuation frame and the plurality of batteries; Flexible circuit board; the flexible circuit board is arranged on the outside of both sides of the shock attenuation frame; the flexible circuit board is electrically connected with the plurality of batteries and the circuit board respectively.

2. A lawnmower battery pack according to claim 1, characterised in that: The shell includes a bottom box and a top cover; the shock attenuation frame is arranged in the bottom box; the top cover is arranged on the top of the bottom box.

3. A lawnmower battery pack according to claim 2, characterised in that: The two sides of the bottom box are provided with clamping plates; the inner side of the bottom of the clamping plate is provided with a support frame; the inner bottom of the bottom box is provided with a lock frame; the two sides of the shock attenuation frame are clamped between the clamping plates, and the bottom of the shock attenuation frame is arranged on the support frame; both ends of the circuit board are fixedly connected with the lock frame through screws.

4. A lawnmower battery pack according to claim 3, characterised in that: The two sides of the shock attenuation frame are provided with protective gaskets; the protective gaskets cover the outside of the flexible circuit board; the clamping plates are clamped on the outside of the protective gaskets.

5. A lawnmower battery pack according to claim 2, characterised in that: The bottom of the top cover is provided with a pressing plate; the top of the shock attenuation frame is provided with a clamping strip; the bottom of the pressing plate is pressed on the top of the shock attenuation frame, and the bottom of the pressing plate is clamped between the clamping strips.

6. A lawnmower battery pack according to claim 1, characterised in that: The top of the shock attenuation frame is provided with a monitoring circuit board.

7. A lawnmower battery pack as claimed in claim 1, characterized in that: A plurality of shock attenuation and heat dissipation holes are uniformly and spaced apart on the side wall of the shock attenuation frame; each shock attenuation and heat dissipation hole is located in the middle between three mutually adjacent mounting holes.

8. A lawnmower battery pack according to claim 1, characterised in that: The shock attenuation frame is fixed by connecting two shock attenuation frames through a connecting frame; the outer side of the shock attenuation frame is provided with a plurality of limiting blocks around the edge of each mounting hole.

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