Energy storage battery pack cluster frame locking mechanism

The pin locking mechanism solves the problems of time-consuming and loosening of battery pack cluster bolt connections, achieving fast and stable battery pack fixing, improving assembly and disassembly efficiency, and ensuring the stability of the battery pack in vibration environments.

CN224110382UActive Publication Date: 2026-04-10江苏远东电池有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing bolt connection method for battery pack clusters is time-consuming, prone to loosening, has high maintenance costs, and is unstable in vibration or impact environments, affecting the performance of the battery pack.

Method used

The device employs a pin locking mechanism, including a pin shaft, locking plate, fixing plate, and cotter pin. The pin passes through the cluster tray and battery pack fixing lugs to achieve quick locking, avoiding the problems of loose bolt connections and low disassembly efficiency.

Benefits of technology

It enables rapid and secure connection of the battery pack, improves assembly and disassembly efficiency, avoids the hidden dangers of bolted connections, and ensures the stability of the battery pack in a vibration environment.

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Abstract

The utility model discloses a cluster frame locking mechanism for an energy storage battery pack. The cluster frame locking mechanism comprises a cluster frame, a cluster frame tray, a battery pack and a locking mechanism, the cluster frame tray is mounted on the cluster frame, the cluster frame tray is used for placing a battery pack, and the cluster frame tray and the battery pack are correspondingly provided with locking through holes; the locking mechanism is installed on the cluster frame and comprises a plug pin assembly corresponding to the locking through hole, and relative locking among the cluster frame, the cluster frame tray and the battery pack is achieved. According to the utility model, the bolt locking mechanism is arranged, so that the battery pack and the battery pack cluster frame can be quickly fixed, bolt connection is avoided, hidden dangers caused by looseness caused by bolts are also avoided, and the assembly efficiency and the disassembly efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of battery pack installation more specifically, relate to a kind of energy storage battery pack cluster frame locking mechanism. BACKGROUND

[0002] With the rapid development of energy storage market, in order to improve assembly efficiency, reduce the number of battery packs, the power of single battery pack is increasing, resulting in the volume and weight of battery pack are increasing, the battery cluster frame of stacked battery pack is prone to sway due to external factors, the battery pack at the tail is not fixed and placed, which may appear on the battery cluster frame up and down, causing damage to the battery pack and affecting its use effect, therefore, it is crucial to fix the battery pack on the battery cluster frame.

[0003] The locking method between the battery cluster frame and the battery pack currently mainly uses bolt connection, which requires using tools to tighten the bolts one by one, takes a long time, and is inefficient when maintaining or replacing the battery pack. In a vibrating or impact environment, the bolts may gradually loosen, requiring regular inspection and re-tightening, increasing maintenance costs. Frequent disassembly can cause damage to the threads, and may not be able to be reliably locked after long-term use. It is difficult to operate in a narrow environment, especially when multiple bolts are required to fix large battery packs.

[0004] Therefore, we propose a kind of energy storage battery pack cluster frame locking mechanism to solve the above problems. SUMMARY

[0005] The purpose of the utility model is to provide a kind of energy storage battery pack cluster frame locking mechanism, overcome the above-mentioned defects in the prior art.

[0006] The technical scheme to achieve the purpose of the utility model is: a kind of energy storage battery pack cluster frame locking mechanism, including cluster frame, cluster frame tray, battery pack and locking mechanism;The cluster frame tray is installed on the cluster frame, the cluster frame tray is used to place the battery pack, the cluster frame tray and the battery pack are both provided with locking through holes corresponding;The locking mechanism is installed on the cluster frame, the locking mechanism includes a latch assembly corresponding to the locking through hole, realizing the relative locking between the cluster frame, the cluster frame tray and the battery pack.

[0007] As a preferred embodiment, the locking mechanism is symmetrically arranged on the left and right sides of the cluster frame.

[0008] As a preferred embodiment, the locking mechanism includes a pin shaft and a locking plate, the pin shaft is fixed on the cluster frame, the locking plate is rotatably connected with the pin shaft, one end of the locking through hole of the cluster frame tray and the battery pack is open, and the locking plate can be clamped into the locking through hole.

[0009] As a preferred implementation, the locking mechanism further comprises a fixed plate and a split pin, the fixed plate is vertically installed above the locking plate, the fixed plate and the cluster tray are provided with fixed through holes correspondingly, and the split pin is inserted into the fixed through holes of the fixed plate and the cluster tray.

[0010] As a preferred implementation, the locking plate and the fixed plate are welded or machined.

[0011] As a preferred implementation, the fixed through holes on the fixed plate are two, and the fixed through holes are symmetrically arranged on both sides of the locking plate.

[0012] As a preferred implementation, the locking mechanism comprises a bottom plate, a cover plate and a latch, the bottom plate is fixed on the cluster frame, the cover plate is fixedly connected with the bottom plate and forms a space for axial movement of the latch.

[0013] As a preferred implementation, the locking mechanism further comprises a snap spring, the snap spring is installed on the cover plate and limits the axial movement of the latch.

[0014] With the above technical scheme, the utility model has the following beneficial effects:

[0015] (1) The utility model discloses a latch locking mechanism, which can quickly fix the battery pack and the battery pack cluster frame, avoid using bolts, avoid the hidden danger caused by loosening of the bolts and improve assembly efficiency and disassembly efficiency.

[0016] (2) The utility model is symmetrically installed on the left and right sides of the cluster frame, so that the battery pack connection is more stable.

[0017] (3) The utility model discloses a locking plate that simultaneously penetrates the cluster tray and the battery pack fixing lug, thereby avoiding relative displacement of the two, thereby achieving locking of the battery pack.

[0018] (4) The utility model discloses a split pin that locks the fixed plate of the locking mechanism and the tray of the cluster frame together, so that the fixed structure is more stable.

[0019] (5) The utility model discloses a fixed plate that is fixedly connected to the locking plate by welding or machining, which can ensure the strength of the mechanism.

[0020] (6) The utility model discloses a latch that simultaneously penetrates the cluster tray and the battery pack, thereby avoiding relative displacement of the two, thereby achieving locking of the battery pack, and the operation is convenient.

[0021] (7) The utility model discloses a snap spring that ensures axial movement of the latch and improves installation precision and effect. DRAWINGS

[0022] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein

[0023] Figure 1 It is the perspective view of the utility model.

[0024] Figure 2 It is the partial enlarged view of embodiment 1 of the utility model.

[0025] Figure 3 It is the perspective view of locking mechanism of embodiment 1 of the utility model.

[0026] Figure 4 It is the partial enlarged view of embodiment 2 of the utility model.

[0027] Figure 5 It is the perspective view of locking mechanism of embodiment 2 of the utility model.

[0028] The reference numerals in the drawings are: 1, cluster frame;2, cluster frame tray;3, battery pack;4, locking mechanism;4-1, pin shaft;4-2, locking plate;4-3, fixed plate;4-4, split pin;4-5, bottom plate;4-6, cover plate;4-7, latch;4-8, clamping spring. DETAILED DESCRIPTION

[0029] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the drawings and specific embodiments.

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0032] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] In the description of the embodiments of the utility model, it is understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] In the description of the embodiments of the utility model, it is also necessary to point out that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The utility model is further described below in conjunction with the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0035] (Embodiment 1)

[0036] See Figure 1 A kind of energy storage battery pack cluster frame locking mechanism, including cluster frame 1, cluster frame tray 2, battery pack 3 and locking mechanism 4;Cluster frame tray 2 is installed on cluster frame 1, cluster frame tray 2 is used to place battery pack 3, cluster frame tray 2 and battery pack 3 are correspondingly provided with locking through hole;Locking mechanism 4 is installed on cluster frame 1, locking mechanism 4 is symmetrically arranged on the left and right sides of cluster frame 1, and locking mechanism 4 includes corresponding locking through hole Latch assembly, realizes the relative locking between cluster frame 1, cluster frame tray 2 and battery pack 3.Symmetrically installed on the left and right sides of cluster frame, so that battery pack connection is more stable.

[0037] See Figure 2 And Figure 3The locking mechanism 4 includes a pin shaft 4-1, a locking plate 4-2, a fixed plate 4-3 and a split pin 4-4. The pin shaft 4-1 is fixed on the cluster holder 1. The locking plate 4-2 is rotatably connected with the pin shaft 4-1. The cluster holder tray 2 and the battery pack 3 have a locking through hole with one end being open. The locking plate 4-2 can be clamped into the locking through hole. The fixed plate 4-3 is vertically installed above the locking plate 4-2. The fixed plate 4-3 and the cluster holder tray 2 are correspondingly provided with fixed through holes. The split pin 4-4 is inserted into the fixed through holes of the fixed plate 4-3 and the cluster holder tray 2. The locking plate passes through the cluster holder tray and the fixed lug of the battery pack at the same time, thereby avoiding the relative displacement of the above two, and achieving the locking of the battery pack. The fixed plate and the cluster holder tray are locked together by the split pin, so that the fixed structure is more stable.

[0038] The locking plate 4-2 and the fixed plate 4-3 are fixedly connected by welding or machining. The fixed plate is fixedly connected on the locking plate by welding or machining, which can ensure the strength of the mechanism.

[0039] The fixed through holes on the fixed plate 4-3 are two and symmetrically arranged on both sides of the locking plate 4-2, so that the connection of the fixed plate and the tray is more stable.

[0040] In the embodiment, in the natural state, the locking mechanism 4 does not affect the entry of the battery pack into the cluster holder 1. After the battery pack 3 enters the cluster holder 1, the movable part of the locking mechanism 4 is rotated, the fixed plate 4-3 is clamped into the fixed lug passing through the cluster holder tray 2 and the battery pack 3, and the split pin 4-4 is selected to realize the relative locking between the locking mechanism 4 and the cluster holder tray 2 of the battery cluster holder 1, thereby achieving the effective and reliable locking of the battery pack 3 and the cluster holder 6.

[0041] (Embodiment 2)

[0042] See Figure 4 and Figure 5 Embodiment 2 and embodiment 1 are similar in overall structure, and the difference lies in the locking mechanism 4. The locking mechanism 4 includes a bottom plate 4-5, a cover plate 4-6, a latch 4-7 and a snap spring 4-8. The bottom plate 4-5 is fixed on the cluster holder 1. The cover plate 4-6 is fixedly connected with the bottom plate 4-5 and forms a space for the axial movement of the latch 4-7. The snap spring 4-8 is installed on the cover plate 4-6 and limits the axial movement of the latch 4-7.

[0043] In the embodiment, before the battery pack enters the cluster, the latch 4-7 of the locking mechanism 4 is retracted into the space formed by the bottom plate 4-5 and the cover plate 4-6. When the locking holes of the fixed lug of the battery pack 3 and the cluster holder tray 2 are concentric, the latch 4-7 is inserted into the above two locking holes, and the latch wrench is pressed down to pass through the snap spring 4-8 to achieve reliable fixation, thereby achieving effective and reliable locking of the battery pack 3 and the cluster holder 1.

[0044] The above-described specific embodiments further specifically describe the purposes, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An energy storage battery pack cluster lock mechanism, characterized in that: The application relates to a battery pack locking mechanism, which comprises a cluster frame (1), a cluster frame tray (2), a battery pack (3) and a locking mechanism (4); the cluster frame tray (2) is installed on the cluster frame (1) and used for placing the battery pack (3); the cluster frame tray (2) and the battery pack (3) are provided with locking through holes in correspondence; the locking mechanism (4) is installed on the cluster frame (1) and comprises a bolt assembly corresponding to the locking through holes, so that the cluster frame (1), the cluster frame tray (2) and the battery pack (3) are locked relative to each other.

2. The energy storage battery pack cluster lock mechanism of claim 1, wherein: The locking mechanism (4) is symmetrically arranged on the left and right sides of the cluster frame (1).

3. The energy storage battery pack cluster lock mechanism of claim 1, wherein: The locking mechanism (4) comprises a pin shaft (4-1) and a locking plate (4-2); the pin shaft (4-1) is fixed on the cluster frame (1); the locking plate (4-2) is rotationally connected with the pin shaft (4-1); one end of the locking through holes of the cluster frame tray (2) and the battery pack (3) is open; and the locking plate (4-2) can be clamped into the locking through holes.

4. The energy storage battery pack cluster lock mechanism of claim 3, wherein: The locking mechanism (4) further comprises a fixing plate (4-3) and an open pin (4-4); the fixing plate (4-3) is vertically installed above the locking plate (4-2); the fixing plate (4-3) and the cluster frame tray (2) are provided with fixing through holes in correspondence; and the open pin (4-4) is inserted into the fixing through holes of the fixing plate (4-3) and the cluster frame tray (2).

5. The energy storage battery pack cluster lock mechanism of claim 4, wherein: The locking plate (4-2) and the fixing plate (4-3) are formed by welding or machining.

6. The energy storage battery pack cluster lock mechanism of claim 4, wherein: The fixing through holes on the fixing plate (4-3) are two and symmetrically arranged on the two sides of the locking plate (4-2).

7. The energy storage battery pack cluster lock mechanism of claim 1, wherein: The locking mechanism (4) comprises a bottom plate (4-5), a cover plate (4-6) and a bolt (4-7); the bottom plate (4-5) is fixed on the cluster frame (1); the cover plate (4-6) is fixedly connected with the bottom plate (4-5) and forms a space for axial movement of the bolt (4-7).

8. The energy storage battery pack cluster lock mechanism of claim 7, wherein: The locking mechanism (4) further comprises a clamping spring (4-8); the clamping spring (4-8) is installed on the cover plate (4-6) and limits the axial movement of the bolt (4-7).