CN219436050U

CN219436050U - Battery box and battery pack

Info

Publication number: CN219436050U
Application number: CN202222790826.5U
Authority: CN
Inventors: 蒋志刚; 朱三福; 柯志明
Original assignee: Topak Power Technology Co ltd
Current assignee: Topak Power Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-07-28
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a battery box and a battery pack, wherein the battery box comprises a box body and a plurality of connecting structures, the connecting structures comprise rotating connecting parts and first matching parts, and the rotating connecting parts can be rotatably arranged at the bottom of the box body along the edges of the box body and are used for supporting the box body; the first matching part is arranged on the side surface of the box body; when a plurality of battery boxes are stacked up and down, the rotary connecting part on one box body can rotate to be matched with the first matching part of the other box body below the rotary connecting part, so as to connect the two box bodies. The present utility model aims to solve the problem of requiring additional custom-made transport frames when carrying battery boxes or packs.

Description

Battery box and battery pack

Technical Field

The utility model relates to the technical field of energy storage batteries, in particular to a battery box and a battery pack.

Background

Along with the development of society, the rate of utilization of electronic product is constantly rising, remove battery of energy storage and become the indispensible equipment of electronic product outgoing work, also have very high rate of utilization, when using large-scale equipment or needing bigger power supply ability, also can carry out the mode of establishing ties or parallelly connected with a plurality of battery boxes and satisfy the power consumption demand of electrical apparatus, and the current battery box or the common transportation mode of group battery that a plurality of battery boxes connect into is to place the battery box and remove the use on customized transportation frame, a plurality of battery boxes from the top down stromatolite sets up with constituteing the group battery, this kind of mode needs the transportation frame that additionally customization is applicable to battery box or group battery for the holding bears the battery box, and is with high costs, and dismantle and load inconveniently.

Disclosure of Invention

The utility model mainly aims to provide a battery box and a battery pack, and aims to solve the problem that an additional customized transportation frame is required when carrying the battery box or the battery pack.

In order to achieve the above object, the present utility model provides a battery box, which comprises a box body and a plurality of connection structures, wherein the connection structures comprise a rotation connection part and a first matching part, and the rotation connection part can be rotatably installed at the bottom of the box body along the edge of the box body and is used for supporting the box body; the first matching part is arranged on the side surface of the box body; when a plurality of battery boxes are stacked up and down, the rotary connecting part on one box body can rotate to be matched with the first matching part of the other box body below the rotary connecting part, so as to connect the two box bodies.

Optionally, the battery box further includes a plurality of limit structures, the limit structures includes:

the second matching part is arranged at the bottom of the box body; the method comprises the steps of,

the limit connecting part is arranged at the top of the box body along the upper and lower directions corresponding to the second matching part;

the second matching part on one box body is correspondingly matched with the limit connecting part on the other box body.

Optionally, the rotation connection portion is engaged with the second engagement portion when located below the case.

Optionally, the connection mode of the connection structure and the limit structure includes matching of a protrusion and a groove.

Optionally, the first matching part is set as a first limit protrusion, and the second matching part is set as a second limit protrusion;

the rotation connecting portion is close to one side of box is provided with first spacing recess, spacing connecting portion sets up to the spacing recess of second.

Optionally, a plurality of supporting bosses are disposed at the bottom of the box body corresponding to the second matching portion, and the second matching portion and the rotating connection portion are disposed on the supporting bosses.

Optionally, a roller assembly is disposed on a side of the rotation connection portion away from the case, and the roller assembly is used for supporting the case to move.

Optionally, the roller assembly includes:

one end of the buffer structure is fixedly connected with the rotary connecting part; the method comprises the steps of,

and the roller structure is fixedly connected with the other end of the buffer structure.

Optionally, the roller structure comprises a directional roller or a turning roller.

The utility model also provides a battery pack, wherein the battery pack comprises a plurality of battery boxes, the battery boxes comprise a box body and a plurality of connecting structures, the connecting structures comprise rotating connecting parts and first matching parts, and the rotating connecting parts can be rotatably arranged at the bottom of the box body along the edges of the box body and are used for supporting the box body; the first matching part is arranged on the side surface of the box body; when a plurality of battery boxes are stacked up and down, the rotary connecting part on one box body can rotate to be matched with the first matching part of the other box body below the rotary connecting part, so as to connect the two box bodies; and a plurality of battery boxes are connected in a superposition way to form the battery pack.

According to the technical scheme, the plurality of connecting structures are added on the box body of the battery box, so that two battery boxes can be connected, a stable stacking structure is realized, loading by using an extra frame is avoided, and the cost is reduced. The connection structure including set up in the bottom of box rotate connecting portion, can play the support when placing the battery box the effect of battery box, and avoid using extra frame to bear the battery box, avoid battery box direct contact ground reduces dirty probability, increases life. The rotatable setting of rotation connecting portion is used for when a plurality of battery boxes need to be piled up, with the top the rotation connecting portion of battery box rotate to rather than the below the side of battery box is parallel, and with the below the first cooperation portion on the battery box carries out fixed connection, in order to realize the effect of stable piling up.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of a battery box according to the present utility model;

fig. 2 is a perspective view of the battery box of fig. 1 from another perspective;

fig. 3 is a schematic perspective view of an embodiment of a battery pack according to the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1000	Battery pack	2122b	Rotary roller
100	Battery box	22	A first mating part
				1	Box body	22a	First spacing bump
2	Connection structure	3	Limiting structure
				21	Rotary connecting part	31	Second mating part
211	First limit groove	31a	Second spacing bump
				212	Roller assembly	32	Spacing connecting portion
2121	Buffer structure	32a	Second limit groove
				2122	Roller structure	4	Support boss
2122a	Directional roller

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In view of this, the present utility model provides a battery box, and fig. 1 is an embodiment of the battery box provided by the present utility model, and the battery box will be described with reference to the specific drawings.

Referring to fig. 1, the battery box 100 includes a box body 1 and a plurality of connection structures 2, wherein the connection structures 2 include a rotation connection portion 21 and a first mating portion 22, and the rotation connection portion 21 is rotatably mounted at the bottom of the box body 1 along the edge of the box body 1 and is used for supporting the box body 1; the first engaging portion 22 is provided on a side surface of the case 1; when a plurality of the battery cases 100 are stacked up and down, the rotation connection part 21 of one of the cases 1 is rotatable to be engaged with the first engagement part 22 of the other case 1 therebelow for connecting the two cases 1.

In the technical scheme of the utility model, a plurality of connecting structures 2 are added on the box body 1 of the battery box 100, so that two battery boxes 100 can be connected to realize a stable stacking structure, and the loading of the battery boxes by using an extra frame is avoided, thereby reducing the cost. The connection structure 2 comprises the rotating connection part 21 arranged at the bottom of the box body 1, and can play a role in supporting the battery box 100 when the battery box 100 is placed, so that the battery box 100 is prevented from being born by an extra frame, the battery box 100 is prevented from being directly contacted with the ground, the pollution probability is reduced, and the service life is prolonged. The rotation connection portion 21 is rotatably disposed, and is configured to rotate the rotation connection portion 21 of the upper battery case 100 to be parallel to the side surface of the lower battery case 100 and fixedly connected with the first mating portion 22 of the lower battery case 100 when a plurality of battery cases 100 need to be stacked, so as to achieve a stable stacking effect.

It should be noted that, the number of the connection structures 2 may be two, three, four or more, so that the case 1 may be supported by forming stable supporting points, and the stable connection may be realized when the point of the connection structure 2 is used as a connection point to connect with another battery case 100 when the case is generally provided with a stable supporting structure, in this embodiment, the number of the connection structures 2 is four, and four connection structures 2 are respectively provided at four corners of the case 1, so as to realize the function of stably supporting the case 1 and the stability of the overlapping connection of the two battery cases 100.

Referring to fig. 1 and 2, the battery box 100 further includes a plurality of limiting structures 3, the limiting structures 3 include a second mating portion 31 and a limiting connection portion 32, and the second mating portion 31 is disposed at the bottom of the box body 1; the limit connection portion 32 is disposed at the top of the case 1 and corresponds to the second fitting portion 31 in the up-down direction; wherein, the second matching portion 31 on one of the cases 1 is correspondingly matched with the limit connecting portion 32 on the other case 1. When the two battery boxes 100 are connected, the second mating portion 31 of the battery box 100 located above may be connected with the limit connection portion 32 of the battery box 100 located below, so as to limit the two battery boxes 100, avoid mutual movement, and increase connection stability. It should be noted that the second engaging portion 31 may be disposed at any position of the bottom of the case 1, and the number may be two, three, four or more, and in this embodiment, the second engaging portion 31 is disposed corresponding to the rotation connecting portion 21.

Specifically, referring to fig. 2, the rotation connecting portion 21 is engaged with the second engaging portion 31 when located below the case 1. The number of the second engaging portions 31 is four corresponding to the number of the rotation connecting portions 21. The second matching portion 31 is not only used for limiting when two battery boxes 100 are connected, but also can be matched with the rotating connecting portion 21 when a single battery box 100 is placed, so as to limit and fix the rotating connecting portion 21, avoid free rotation of the rotating connecting portion, and increase stability when a single battery box 100 is placed.

Referring to fig. 1 and 2, the connection mode of the connection structure 2 and the limit structure 3 includes a protrusion and a recess. The connection mode of the connection structure 2 and the limit structure 3 may be a clamping connection, a threaded connection or a groove-protrusion fit connection, and in this embodiment, the connection mode of the groove and the protrusion fit connection is used, so that the structure is simple, the cost is low, and the connection operation is convenient.

Referring to fig. 1 and 2, the first engaging portion 22 is configured as a first limiting protrusion 22a, and the second engaging portion 31 is configured as a second limiting protrusion 31a; the side of the rotation connecting portion 21, which is close to the case 1, is provided with a first limit groove 211, and the limit connecting portion 32 is provided with a second limit groove 32a. The first engaging portion 22 is configured as the first limiting protrusion 22a, so that the side surface of the battery case 100 has the first limiting protrusion 22a, which can play a role in side collision avoidance; the first limiting protrusion 22a is matched, the first limiting groove 211 is formed on the rotation connecting portion 21, and the second matching portion 31 is further formed as the second limiting protrusion 31a to match with the first limiting groove 211; the spacing connecting portion 32 cooperates the spacing protruding 31a of second sets up to the spacing recess of second 32a the top of battery case 100 sets up the recess, avoids the top surface to have the arch, and then avoids the top surface unevenness probably with place in other article collisions on the battery case 100 lead to the problem that battery case 100 damaged.

Referring to fig. 2, a plurality of supporting bosses 4 are disposed at the bottom of the case 1 corresponding to the second mating portion 31, and the second mating portion 31 and the rotating connection portion 21 are disposed on the supporting bosses 4. The support boss 4 is provided to form a gap therebetween when the two battery cases 100 are connected in a stacked manner, so that the disassembly and heat dissipation are facilitated.

Referring to fig. 2, a roller assembly 212 is disposed on a side of the rotation connection portion 21 away from the case 1, and the roller assembly 212 is used for supporting the case 1 to move. The roller assembly 212 is provided at one side of the rotation connection part 21 to be rollably movable when the roller assembly 212 contacts the ground, thereby facilitating the movement of the battery case 100.

Referring to fig. 2, the roller assembly 212 includes a buffering structure 2121 and a roller structure 2122, wherein one end of the buffering structure 2121 is fixedly connected to the rotating connection portion 21; the roller structure 2122 is fixedly connected to the other end of the buffer structure 2121. The buffer structure 2121 is disposed between the rotational connection 21 and the roller structure 2122 to provide shock-absorbing protection when the battery box 100 is moved. In addition, when the rotation connection portion 21 is connected to the first mating portion 22, the roller assembly 212 is located on a side surface of the case 1, and the buffer structure 2121 can provide lateral anti-collision protection for the battery case 100. The buffering structure 2121 may be configured as a pressure rod or a spring sleeve, and in this embodiment, the buffering structure 2121 is configured as a spring sleeve, which is simple and low-cost.

Referring to fig. 2, the roller structure 2122 includes a directional roller 2122a or a turning roller 2122b. When the battery boxes 100 move, there is a need for steering, four roller structures 2122 are provided on each battery box 100 corresponding to four rotating connecting portions 21, and at least two adjacent roller structures 2122 are provided as rotating rollers 2122b, so that the battery boxes 100 can move in a steering manner. Because the cost of the rotating roller 2122b is higher than that of the directional roller 2122a, and the rotating roller 2122b is more fragile than that of the directional roller 2122a, i.e., the number of the rotating roller 2122b and the number of the directional rollers 2122a are respectively two, the cost is lowest and the service life is longer on the basis of realizing the steering function of the battery box 100.

The utility model also provides a battery pack 1000, wherein the battery pack 1000 comprises a battery box 100, and the specific structure of the battery box 100 refers to the embodiment, and a plurality of battery boxes 100 are connected in a superposition manner to form the battery pack 1000. Since the battery pack 1000 adopts all the technical solutions of all the embodiments, at least the beneficial effects of the technical solutions of the embodiments are provided, and will not be described in detail herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A battery box, comprising:

a case; the method comprises the steps of,

the connecting structures comprise rotating connecting parts and first matching parts, and the rotating connecting parts can be rotatably arranged at the bottom of the box body along the edges of the box body and are used for supporting the box body; the first matching part is arranged on the side surface of the box body;

when a plurality of battery boxes are stacked up and down, the rotary connecting part on one box body can rotate to be matched with the first matching part of the other box body below the rotary connecting part, so as to connect the two box bodies.

2. The battery compartment of claim 1, further comprising a plurality of limit features, the limit features comprising:

3. The battery compartment of claim 2, wherein the rotational connection mates with the second mating portion when positioned below the compartment.

4. The battery compartment of claim 2, wherein the connection means of the connection structure and the limit structure includes a protrusion and a recess.

5. The battery box as claimed in claim 4, wherein the first engaging portion is provided as a first limit projection, and the second engaging portion is provided as a second limit projection;

6. The battery box as claimed in claim 2, wherein a plurality of support bosses are provided at the bottom of the box body corresponding to the second mating portion, and the second mating portion and the rotation connection portion are provided on the support bosses.

7. The battery compartment of claim 1, wherein a roller assembly is provided on a side of the rotational connection portion remote from the compartment, the roller assembly being configured to support movement of the compartment.

8. The battery compartment of claim 7, wherein the scroll wheel assembly comprises:

9. The battery compartment of claim 8, wherein the roller structure comprises a directional roller or a turning roller.

10. A battery pack, comprising:

a plurality of battery boxes, wherein the battery boxes are as defined in any one of claims 1 to 9, and the plurality of battery boxes are connected in a superimposed manner to form the battery pack.