CN218414843U

CN218414843U - Supporting mechanism, battery pack shell, battery pack and energy storage device

Info

Publication number: CN218414843U
Application number: CN202221032675.0U
Authority: CN
Inventors: 陈孟奇; 雷政军; 翟腾飞; 赵小青
Original assignee: China Australia Energy Storage Power Technology Xi'an Co ltd
Current assignee: China Australia Energy Storage Power Technology Xi'an Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2023-01-31
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a supporting mechanism, group battery casing, group battery, energy memory, a serial communication port, supporting mechanism is including the first holding surface and the second holding surface that set up in opposite directions, be provided with supporting part and anchorage bar between first holding surface and second holding surface, when screwing during the anchorage bar, first holding surface with the second holding surface motion dorsad promotes and presss from both sides tightly in the battery casing first holding surface and/or the battery of the non-opposite face installation of second holding surface. The utility model provides a supporting mechanism simple structure, simple to operate, low cost can effectively solve the fixed inconvenient and not good problem of effect of electric core among the energy memory.

Description

Supporting mechanism, battery pack shell, battery pack and energy storage device

Technical Field

The utility model relates to a battery technology field especially relates to a supporting mechanism, group battery casing, group battery, energy memory.

Background

The energy storage device is a lithium ion battery with the power of more than 5kwh, and the energy storage device mainly depends on lithium ions to move between a positive electrode and a negative electrode for working. In the production process of the energy storage device, the prepared battery core and the battery shell need to be assembled, and in order to ensure the accuracy of the assembly, an assembling tool needs to be used for fixing the battery core and the battery shell. However, when the current fixing device clamps and fastens the battery shell, the battery shell is easy to be misplaced, and the assembling accuracy of the battery core and the shell is affected.

CN206878113U discloses a battery presss from both sides tight frock, the utility model relates to an electricity core presss from both sides tight frock, include: the lower die is used for placing a plurality of battery cells arranged in an array; the upper die is combined with the lower die, a plurality of battery cells are clamped and fixed, and then the battery cells are turned over up and down, wherein the upper die comprises a body, a limiting structure, a first clamping mechanism and a second clamping mechanism, the limiting structure and the first clamping mechanism are respectively arranged at two opposite ends of the body in the first direction of the body, the limiting structure and the first clamping mechanism are matched with each other to clamp the battery cells between the limiting structure and the first clamping mechanism, and the second clamping mechanism is distributed on two opposite sides of the body in the second direction of the body and used for fixing the upper die on the lower die, and the first direction and the second direction are perpendicular to each other. This tight frock of electric core clamp has realized that electric core is upright to be assembled. The problem of among the power battery system battery cell concatenation still need to stand upside down to put, the battery cell is whole to be manual operation when invertedly overturning, consequently has alleviateed workman's intensity of labour.

CN105762308B discloses a battery pole piece group mount, a serial communication port, battery pole piece group mount includes bottom plate and upper cover, and bottom plate lower surface and upper cover upper surface are provided with flexure strip and strengthening rib, and the upper cover still is provided with snatchs jack and through-hole, and the bottom plate lower surface still is provided with the bottom plate shrinkage pool, and the connected mode of bottom plate and upper cover is hasp connection or outside clamping device connects, and the material of bottom plate and upper cover is materials such as aluminium, nickel, polypropylene, polyethylene. The utility model also discloses a battery of having this electric core pole piece group mount. The utility model discloses can prevent that the core pole piece group from at production assembly in-process electric core pole piece dislocation and interval increase, prevent battery case expansion deformation, guarantee that the battery has excellent electrochemical performance. Additionally, the utility model discloses can also guarantee that the battery of different cultivars possesses efficient assembly process and production uniformity, improve the equipment precision and the production efficiency of battery, reduce manufacturing cost.

However, the clamping tool and the fixing mode are suitable for assembling common vehicle-mounted power batteries and the like, and cannot be suitable for fixing and mounting high-power energy storage batteries.

Disclosure of Invention

In order to solve the above problems, the present invention provides a supporting mechanism, which comprises a first supporting surface and a second supporting surface disposed opposite to each other,

a supporting part and a fastening rod are arranged between the first supporting surface and the second supporting surface,

when the fastening rod is screwed, the first supporting surface and the second supporting surface move back to back, and batteries which are arranged on the non-opposite surfaces of the first supporting surface and/or the second supporting surface are pushed and clamped in the battery shell.

Preferably, the support portion includes:

the first support assembly is a pair of wedge-shaped clamping blocks and comprises a first clamping block and a second clamping block, at most one of the first clamping block and the second clamping block is fixed on the first support surface, the first clamping block is provided with a through hole along the axial direction of the fastening rod, and the second clamping block is provided with a threaded hole along the axial direction of the fastening rod;

a group of second supporting components are arranged on one side, opposite to the first supporting surface, of the second supporting surface, each second supporting component comprises a trapezoidal supporting block, each supporting block is provided with an installation hole along the axial direction of the fastening rod, and the supporting blocks can be inserted between the clamping blocks and clamped;

at least the tail end of the fastening rod is provided with threads which sequentially penetrate through the first clamping block, the supporting block and the second clamping block;

when the supporting block is inserted between the first clamping block and the second clamping block for assembly, the fastening rod is screwed, the supporting block is clamped by the first clamping block and the second clamping block, so that the supporting block is forced to slide reversely, the first supporting surface and the second supporting surface are driven to move back to back, and batteries which are installed on the first supporting surface and/or the second supporting surface and are not oppositely arranged are pushed and clamped in the battery shell.

Preferably, the lower bottom surface of the trapezoidal support block faces the second support surface, and the inclined surface of the wedge-shaped clamping block is arranged opposite to the two side waists of the trapezoidal support block.

Preferably, the supporting block is fixedly arranged on the second supporting surface.

Preferably, the second support component further comprises a limiting part, the limiting part comprises a limiting baffle, and the limiting baffle is configured to accommodate the assembled first clamping block, second clamping block and support block and limit the non-axial movement of the first clamping block, second clamping block and support block along a fastening rod; or

The limiting baffle is configured to accommodate the second clamping block and limit the second clamping block from moving along the fastening rod in the non-axial direction.

Preferably, the mounting hole is in a track shape.

Preferably, the support portion includes:

the first supporting surface is fixedly provided with a group of supporting components and a fastening rod on one side opposite to the second supporting surface, each supporting component comprises a pair of first clamping blocks and second clamping blocks which are fixedly arranged on the first supporting surface, each first clamping block is provided with a through hole along the axial direction of the fastening rod, and each second clamping block is provided with a threaded hole along the axial direction of the fastening rod;

the supporting component also comprises a supporting block, and the center of the supporting block is eccentrically arranged towards the first supporting surface; the supporting block is provided with a mounting hole along the axial direction of the fastening rod;

the fastening rod penetrates through the first clamping block, the supporting block and the second clamping block in sequence, at least the tail end of the fastening rod is provided with threads, and when the fastening rod rotates, the supporting block is driven to rotate along the axial direction of the fastening rod;

when the fastening rod rotates, the supporting block pushes the first supporting surface and the second supporting surface to move back to back, and batteries mounted on the non-opposite surfaces of the first supporting surface and/or the second supporting surface are clamped in the battery shell.

Preferably, the supporting block is semicircular, and the center of the supporting block is deviated to a semicircular non-arc-shaped surface.

Preferably, the support assembly further includes a positioning pin penetrating through the fastening rod and the support block simultaneously along the radial direction of the fastening rod, and the support block and the fastening rod commonly rotate when the support block and the fastening rod simultaneously rotate.

In order to solve the above problem, the present invention provides a battery case, which comprises the above supporting mechanism.

In order to solve the above problem, the present invention adopts another technical solution in that the battery pack case is provided.

In order to solve the above problem, the present invention provides another technical solution, which comprises an energy storage system as described above.

The utility model has the advantages that: the utility model discloses a set up a set of supporting mechanism between battery case, set up electric core on the supporting mechanism both sides, make two holding surfaces motion dorsad through the anchorage bar of the supporting mechanism of screwing, press from both sides the non-electric core and the casing clamp face to face of holding surface, solved the problem that current supporting mechanism can not be suitable for the mode of putting of different electric cores among the energy memory, and this structure simple to operate, simple structure, low cost, effectual.

Drawings

FIG. 1 is a schematic view of a support mechanism in one embodiment;

FIG. 2 is a schematic view of a support mechanism in one embodiment;

FIG. 3 is a schematic view of a support mechanism in one embodiment;

FIG. 4 is a schematic view of a support mechanism in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Hereinafter, the support mechanism, the battery pack case, the battery pack, and the energy storage device of the present invention are specifically disclosed with reference to the drawings in detail. But a detailed description thereof will be omitted. For example, detailed descriptions of already known matters and repetitive descriptions of actually the same configurations may be omitted. This is to avoid unnecessarily obscuring the following description, and to facilitate understanding by those skilled in the art. The drawings and the following description are provided for those skilled in the art to fully understand the present invention, and are not intended to limit the subject matter described in the claims.

All embodiments and alternative embodiments of the invention may be combined with each other to form new solutions, if not specifically stated. All the technical features and optional technical features of the invention can be combined with each other to form a new technical solution, if not specifically stated.

The terms "comprises" and "comprising" as used herein mean open and closed unless otherwise specified. For example, "comprising" and "comprises" may mean that other components not listed may also be included or included, or that only listed components may be included or included.

It is to be understood that relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The above summary of the present invention is not intended to describe each disclosed embodiment or every implementation of the present invention. The following description more particularly exemplifies illustrative embodiments. At various points throughout this application, guidance is provided through a list of embodiments that can be used in various combinations. In each instance, the list is merely a representative group and should not be construed as exhaustive.

As shown in fig. 1, a supporting mechanism includes a first supporting surface 11 and a second supporting surface 12 which are oppositely arranged, a set of supporting component and a fastening component are arranged between the first supporting surface 11 and the second supporting surface 12, the supporting component includes a pair of wedge-shaped clamping blocks, namely a first clamping block 131 and a second clamping block 132, the first clamping block 131 is provided with a through hole along the axial direction of the fastening rod, and the second clamping block 132 is provided with a threaded hole along the axial direction of the fastening rod. The second supporting surface 12 is provided with a set of second supporting components at a side opposite to the first supporting surface 11, the second supporting components include a trapezoidal supporting block 133, a mounting hole 1331 is formed through the supporting block 133, and the supporting block can be inserted between the first clamping block 131 and the second clamping block 132 and clamped. In this embodiment, the supporting block 133 is trapezoidal and can be engaged with a pair of wedge-shaped clamping blocks, the lower bottom of the trapezoid faces the second supporting surface 12, the upper bottom faces the first supporting surface 11, and the waist sides of the trapezoid face the inclined surfaces of the clamping blocks.

The fastening rod 14 is provided with a thread, and the thread penetrates through the first clamping block 131, the supporting block 133 and the second clamping block 132 in sequence to be matched with the thread of the first clamping block 131 and/or the second clamping block 132 for screwing and fixing.

In some embodiments, the first clamping block 131 is fixedly disposed on the first supporting surface 11, the second clamping block 132 is free from the first supporting surface 11, the second clamping block 132 is penetrated by the end of the fastening rod 14 to become a free end, the supporting block 133 is fixedly disposed on the second supporting surface 12, when the fastening rod 14 is screwed, the second clamping block 132 moves up along the fastening rod 14 to shorten the distance between the second clamping block and the first clamping block 131, the supporting block 133 is pressed by the two clamping blocks, the supporting block 133 moves in the opposite direction to drive the second supporting surface 12 and the first supporting surface 11 to move back and forth, at this time, the supporting mechanism is disposed in the middle of the battery casing, and the batteries on both sides of the supporting mechanism are forced in the opposite directions to tightly adhere to the battery casing and are fixedly clamped.

In some embodiments, the first clamping block 131 is free from the first supporting surface 11, the second clamping block 132 is free from the first supporting surface 11, the supporting block 133 is fixedly disposed on the second supporting surface 12, when the fastening rod 14 sequentially passes through the first clamping block 131, the supporting block 133 and the second clamping block 132 and is screwed, the distance between the first clamping block 131 and the second clamping block 132 is shortened, the supporting block 133 is pressed by the two clamping blocks, the first clamping block 131 and the second clamping block 132 drive the first supporting surface 11 and the second supporting surface 12 to move back and forth, the supporting mechanism is disposed in the middle of the battery casing, and the batteries on both sides of the supporting mechanism are forced to tightly fit the battery casing and are fixedly clamped in opposite directions.

In some embodiments, the shape of the clamping block may also be varied, such as rectangular, curved, irregular, etc., and the angle of the inclined surface between the first clamping block 131 and the second clamping block 132 may also be different, which can achieve the technical effects of the above embodiments to different degrees.

As shown in fig. 2 or 3, in some embodiments, the second support assembly further includes a limiting portion, the limiting portion includes a limiting baffle 1332, and the limiting baffle 1332 is configured to receive the assembled first clamping block 131, second clamping block 132, and support block 133 and limit the radial movement of the first clamping block 131, second clamping block 132, and support block 133 along the fastening rod 14. When the second clamping block 132 is free from the first supporting surface 11 and the first clamping block 131 is fixedly arranged on the first supporting surface 11, the length of the limit stop can be equivalent to that of the second clamping block 132, so that the tightening rod 14 can be conveniently screwed, and the aligned assembly of the components between the first supporting surface 11 and the second supporting surface 12 can be conveniently realized. When the first clamping block 131 and the second clamping block 132 are both free from the first support surface 11, the limiting stop 1332 may have a length corresponding to the length of the fastening rod 14, or at least corresponding to the length of the second clamping block 132, to facilitate both the alignment and assembly of the components between the first support surface 11 and the second support surface 12, and to prevent the clamping blocks from rotating when the fastening rod 14 is tightened.

In some embodiments, the mounting holes 1331 of the support blocks 133 are racetrack shaped to provide sufficient clearance for the support blocks to move in opposition to the clamping blocks.

In some embodiments, the mounting holes of the supporting blocks 133 are semicircular open grooves, which can further save materials and reduce weight on the basis of the above technical effects.

As shown in fig. 4, a set of supporting components is fixedly arranged on one side of the first supporting surface 21 opposite to the second supporting surface 22, the supporting components include two clamping blocks, namely a first clamping block 231 and a second clamping block 232, the first clamping block 231 is provided with a through hole, and the second clamping block 232 is provided with a threaded hole; the support assembly further comprises a support block 233 and a fastening rod 24, the fastening rod 24 being provided with a thread. The fastening rod 24 passes through the first clamping block 231, the supporting block 233 and the second clamping block 232 in sequence, and is screwed and locked. When the fastening rod 24 rotates, the supporting block 233 is driven to rotate along the axial direction of the fastening rod 24, and the center of the supporting block 233 is eccentrically arranged towards the first supporting surface 11; when the fastening rod 24 is rotated, the supporting block 233 pushes the first supporting surface 11 and the second supporting surface 12 to move away from each other. At the moment, the supporting mechanism is arranged in the middle of the battery shell, and the batteries on two sides of the supporting mechanism are stressed in opposite directions to be tightly attached to the battery shell to be fixedly clamped.

In some embodiments, the supporting block 233 has a semi-circular shape, and the center of the supporting block 233 is biased to the non-arc surface of the semi-circle, so that the fastening rod 24 can be fastened to the straight surface to abut against the first supporting surface 21, thereby stabilizing the supporting block 233.

In some embodiments, the support block 233 is fixed to the fastening rod by gluing, welding or, as shown in fig. 2, inserting a positioning pin 241, preferably a positioning spring pin, through the support block 24 and the fastening rod 24 in the radial direction of the fastening rod 24.

In some embodiments, the tightening rod 24 is threaded on one end and secured on the other end by a retaining clip 242 to prevent the tightening rod from falling off. The position-limiting clip 242 is engaged with the position-limiting groove 2421 of the fastening bar 24.

According to some embodiments of the present invention, there is provided a battery pack case including the support mechanism in the above embodiments, the battery pack case being used for assembling a battery.

According to some embodiments of the present invention, there is provided a battery pack, comprising a battery pack housing and a support mechanism as in the above embodiments, the battery pack being for assembling a battery energy storage device.

According to some embodiments of the present invention, there is provided an energy storage device, which includes the battery pack, the battery pack case, and the support mechanism in the above embodiments, the energy storage device is used for energy storage and indoor and outdoor power supply.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A supporting mechanism is characterized in that the supporting mechanism comprises a first supporting surface and a second supporting surface which are arranged oppositely,

when the fastening rod is screwed, the first supporting surface and the second supporting surface move back to back, and the battery arranged on the non-opposite side of the first supporting surface and/or the second supporting surface is pushed and clamped in the battery shell.

2. The support mechanism of claim 1, wherein the support portion comprises:

3. The support mechanism as claimed in claim 2, wherein the lower bottom of the trapezoidal support block faces the second support surface, and the inclined surface of the wedge-shaped clamp block is disposed opposite to both lateral sides of the trapezoidal support block.

4. The support mechanism as claimed in claim 2, wherein the support block is fixedly disposed on the second support surface.

5. The support mechanism of claim 2, wherein the second support assembly further comprises a limiting portion comprising a limiting baffle configured to receive the assembled first clamping block, second clamping block, and support block and limit non-axial movement of the first clamping block, second clamping block, and support block along a fastening rod; or

6. The support mechanism of claim 2, wherein the mounting hole is racetrack shaped or U-shaped.

7. The support mechanism of claim 1, wherein the support portion comprises:

the first supporting surface is fixedly provided with a group of supporting components and a fastening rod opposite to one side of the second supporting surface, each supporting component comprises a pair of first clamping blocks and second clamping blocks which are fixedly arranged on the first supporting surface, each first clamping block is provided with a through hole along the axial direction of the fastening rod, and each second clamping block is provided with a threaded hole along the axial direction of the fastening rod;

the fastening rod penetrates through the first clamping block, the supporting block and the second clamping block in sequence, at least the tail end of the fastening rod is provided with threads, the supporting block is fixed on the fastening rod, and the fastening rod drives the supporting block to rotate along the axial direction of the fastening rod;

8. The support mechanism as claimed in claim 2, wherein the support block is semi-circular, the centre of the support block being offset towards the non-arcuate face of the semi-circle.

9. The support mechanism as claimed in claim 2, wherein the support assembly further comprises a positioning pin extending through both the fastening rod and the support block in a radial direction of the fastening rod, so that the support block rotates together with the fastening rod.

10. A battery pack case comprising the support mechanism of any one of claims 1 to 9.

11. A battery pack comprising the battery pack case according to any one of claim 10.