CN218160701U - Battery case and power supply - Google Patents

Abstract

The embodiment of the utility model provides a battery case and power have been related to, wherein the battery case for example includes: the plastic shell body comprises a top plate, a bottom plate and a plurality of side walls, wherein the side walls are respectively connected between the top plate and the bottom plate, the top plate, the bottom plate and the side walls jointly enclose an accommodating cavity for accommodating a battery, and a first through hole and a second through hole are formed in the top plate; the plastic shell body also comprises a first electrode connecting terminal and a second electrode connecting terminal which are used for connecting the electrodes of the battery, the first electrode connecting terminal is arranged in the first through hole in a penetrating way, and the second electrode connecting terminal is arranged in the second through hole in a penetrating way; and a plurality of metal plates embedded in the plurality of side walls, respectively; this embodiment is through being equipped with the metal sheet at a plurality of embedded lateral walls to promote the structural strength of holistic battery case, prevent that the battery case from taking place deformation, and through having the screw structure at the metal sheet is embedded, be convenient for realize the quick aggregate erection between the casing of a plurality of battery cases.

Description

Battery case and power supply

Technical Field

The utility model relates to a plastic shell technical field especially relates to a battery case and a power.

Background

At present, the commonly used battery shells are all formed by plastic injection molding.

Batteries can be placed in the existing plastic battery shell, so that equipment or systems such as a motor home, a golf cart, a USP power supply, a small-sized energy storage device and the like can provide power. However, when the plastic battery case needs to be fixed on a wall or fixed at other positions or a plurality of batteries are combined for use, the plastic battery case is generally not provided with a mounting structure for fixing the case, and the purpose of fixing or connecting the battery case is achieved by opening a hole on the plastic battery case; however, the plastic battery case is provided with holes, which may cause the strength of the case structure to be weak, and may easily cause deformation of the battery case or water leakage; and the connection structure that the trompil set up on the casing also can lead to the intensity of connecting the torsional force to be low because of the restriction of plastic battery shell and structure itself to and the condition such as the fixed insecure of battery case is led to appear "smooth silk" phenomenon easily when fixed battery case.

SUMMERY OF THE UTILITY MODEL

Accordingly, to overcome at least some of the above disadvantages and drawbacks of the prior art, embodiments of the present invention provide a battery case and a power supply.

On the one hand, the embodiment of the utility model provides a battery case, include: the plastic shell body comprises a top plate, a bottom plate and a plurality of side walls, wherein the side walls are respectively connected between the top plate and the bottom plate, the top plate, the bottom plate and the side walls jointly enclose an accommodating cavity for accommodating a battery, and a first through hole and a second through hole are formed in the top plate; the plastic shell body further comprises a first electrode connecting terminal and a second electrode connecting terminal, the first electrode connecting terminal and the second electrode connecting terminal are used for connecting electrodes of the battery, the first electrode connecting terminal penetrates through the first through hole, and the second electrode connecting terminal penetrates through the second through hole; and a plurality of metal plates respectively embedded in the plurality of side walls.

In one embodiment of the present invention, the plurality of metal plates includes a first metal plate and a second metal plate, the plurality of side walls includes a first side wall and a second side wall, and the first side wall and the second side wall are oppositely disposed and connected between the top plate and the bottom plate; the first metal plate is embedded in the first side wall, and the second metal plate is embedded in the second side wall; the first side wall is provided with a first mounting hole, and the first mounting hole extends inwards from the outer side of the first side wall to the inside of the first metal plate; and a second mounting hole is formed in the second side wall, and the second mounting hole extends inwards from the outer side of the second side wall to the second metal plate.

In an embodiment of the present invention, the first mounting hole is located at an edge position of the first side wall, and the second mounting hole is located at an edge position of the second side wall.

In an embodiment of the present invention, the plurality of side walls further includes a third side wall and a fourth side wall, the third side wall and the fourth side wall are oppositely disposed, and the third side wall and the fourth side wall are connected between the top plate and the bottom plate and between the first side wall and the second side wall; a first extending part and a second extending part are respectively arranged at two opposite ends of the first metal plate, and the first extending part extends from one end of the first metal plate adjacent to the third side wall to one end of the third side wall adjacent to the first side wall; the second extension extends from one end of the first metal plate adjacent to the fourth side wall into one end of the fourth side wall adjacent to the first side wall; a third mounting hole is formed in the third side wall, and the third mounting hole extends inwards from the outer side of the third side wall to the first extending part; and a fourth mounting hole is formed in the fourth side wall, and the fourth mounting hole extends inwards from the outer side of the fourth side wall to the second extension part.

In an embodiment of the present invention, the plurality of metal plates further includes a third metal plate and a fourth metal plate, the third metal plate being embedded in an end of the third sidewall adjacent to the bottom plate; the fourth metal plate is embedded in one end of the fourth side wall adjacent to the bottom plate; the third side wall is also provided with a fifth mounting hole, and the fifth mounting hole extends inwards from the outer side of the third side wall to the inside of the third metal plate; and a sixth mounting hole is further formed in the fourth side wall, and the sixth mounting hole extends inwards from the outer side of the fourth side wall to the inside of the fourth metal plate.

In an embodiment of the present invention, the top plate is provided with a protrusion protruding outward, and the height of the protrusion is higher than the first electrode connecting terminal and the second electrode connecting terminal.

In an embodiment of the present invention, the battery case further includes a first fixing member and a first mounting member, and a second fixing member and a second mounting member; the first fixing piece is provided with a first mounting through hole, and the second fixing piece is provided with a second mounting through hole; the first fixing piece is abutted against the first side wall, and the first mounting piece sequentially penetrates through the first mounting through hole and the first mounting hole to connect the first fixing piece to the first side wall; the second fixing piece is abutted against the second side wall, and the second mounting piece sequentially penetrates through the second mounting through hole and the second mounting hole to be connected with the second fixing piece to the second side wall.

In an embodiment of the present invention, the battery case further includes a third fixing member and a third mounting member, and a fourth fixing member and a fourth mounting member; a third mounting through hole is formed in the third fixing piece, and a fourth mounting through hole is formed in the fourth fixing piece; the third fixing piece is abutted against the third side wall, and the third mounting piece is sequentially arranged in the third mounting through hole and the third mounting hole in a penetrating manner so as to connect the third fixing piece to the third side wall; the fourth fixing piece is abutted against the fourth side wall, and the fourth mounting piece sequentially penetrates through the fourth mounting through hole and the fourth mounting hole to be connected with the fourth fixing piece to the fourth side wall.

In an embodiment of the present invention, an inner concave portion is further disposed at a middle position of an outer side of the first side wall, and a seventh mounting hole is further disposed in the inner concave portion, and the seventh mounting hole extends from the outer side of the first side wall inward into the first metal plate; the battery case further comprises a group-to-group plate and a fifth mounting piece, wherein a fifth mounting through hole is formed in the group-to-group plate and corresponds to the seventh mounting hole; the fifth mounting piece sequentially penetrates through the fifth mounting through hole and the seventh mounting hole to connect the pair of butt plates in the inner concave portion of the first side wall.

On the other hand, the embodiment of the utility model provides a power supply, include: the battery case as described above; a battery comprising a battery positive electrode and a battery negative electrode; the battery is arranged in the accommodating cavity of the battery case, the positive electrode of the battery is electrically connected with the first electrode connecting terminal of the battery case, and the negative electrode of the battery is electrically connected with the second electrode connecting terminal of the battery case.

From the above, the utility model discloses above-mentioned technical characteristics can have following beneficial effect:

1. in the battery case of the embodiment, the plurality of metal plates are embedded in the plurality of side walls, so that the structural strength of the plurality of side walls is improved, and the structural strength of the whole battery case can be improved;

2. the embodiment is characterized in that a first mounting hole and a second mounting hole are respectively arranged on the edges of the first side wall and the second side wall, and a group plate and a fifth mounting piece are arranged; when a plurality of battery cases are connected, the plurality of battery cases can be connected together through the matching of the mounting holes, the fifth connecting piece and the group-to-plate;

3. in the embodiment, the first electrode connecting terminal and the second electrode connecting terminal are arranged at the height not higher than the bulge part, so that the effect of preventing electric shock by mistake and the first electrode connecting terminal and the second electrode connecting terminal are protected from being damaged by falling articles can be achieved;

4. this embodiment is supported and is leaned on first lateral wall and second mounting spare and second lateral wall through setting up first mounting spare and first mounting spare for the battery case accessible first mounting spare and second mounting spare are supported and are leaned on the second lateral wall on for fix on ground or wall.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a battery case according to a first embodiment of the present invention.

Fig. 2 is another schematic cross-sectional view of a battery case according to a first embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of another part of a battery case according to a first embodiment of the present invention.

Fig. 4 is a front view of a battery case according to a first embodiment of the present invention.

Fig. 5 is a top view of a battery case according to a first embodiment of the present invention.

Fig. 6 is a left side view of the battery case not mounted with the assembled plate according to the first embodiment of the present invention.

Fig. 7 is a left side view of a battery case mounted with a set of plates according to a first embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a power supply according to a second embodiment of the present invention.

Fig. 9A is a schematic diagram illustrating a connection manner of a plurality of battery cases in a power supply according to a second embodiment of the present invention.

Fig. 9B is a schematic diagram of another connection manner of a plurality of battery cases in a power supply according to a second embodiment of the present invention.

[ brief description of the drawings ]

1: a battery case; 10: a plastic shell body; 11: a side wall; 12: a top plate; 13: a base plate; 14: an accommodating cavity; 15: a first electrode connection terminal; 16: a second electrode connection terminal; 20: a metal plate; 21: a first metal plate; 22: a second metal plate; 23: a third metal plate; 24: a fourth metal plate; 51: a first fixing member; 52: a first mounting member; 53: a second fixing member; 54: a second mounting member; 61: a third fixing member; 62: a third mount; 63: a fourth fixing member; 64: a fourth mount; 71: assembling the plates; 72: a fifth mount; 111: a first side wall; 112: a second side wall; 113: a third side wall; 114: a fourth side wall; 121: a first through hole; 122: a second through hole; 123: a projection; 211: a first extension portion; 212: a second extension portion; 511: a first mounting through hole; 531: a second mounting through hole; 611: a third mounting through hole; 631: a fourth mounting through hole; 1111: a first mounting hole; 1112: an inner concave portion; 1113: a seventh mounting hole; 1121: a second mounting hole; 1131: a third mounting hole; 1132: a fifth mounting hole; 1141: a fourth mounting hole; 1142: a sixth mounting hole; 100: a power source; 101: a battery; 1011: a battery positive electrode; 1012: the negative electrode of the battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

[ first embodiment ] A method for manufacturing a semiconductor device

As shown in fig. 1, the embodiment of the present invention provides a battery case 1, where the battery case 1 includes, for example, a plastic case body 10 and a plurality of metal plates 20.

Wherein the plastic case body 10, for example, includes a plurality of side walls 11, a top plate 12 and a bottom plate 13; the side walls 11 are respectively connected between the top plate 12 and the bottom plate 13, and the side walls 11, the top plate 12 and the bottom plate 13 surround to form an accommodating cavity 14; the receiving chamber 14 may be used to receive a battery. The battery is, for example, a secondary battery such as a solid-state lithium ion battery, a liquid-state lithium ion battery, or the like. The plastic housing body 10 may be a housing-like part made of engineering plastic alloy, for example. The plastic housing body 10 made of plastic can greatly reduce the weight of the battery housing 1, and is convenient to carry.

As shown in fig. 1, a first through hole 121 and a second through hole 122 are disposed on the top plate 12; the plastic housing body 10 further includes, for example, a first electrode connecting terminal 15 and a second electrode connecting terminal 16; in the present embodiment, the first electrode connection terminal 15 is disposed in the first through hole 121, and the second electrode connection terminal 16 is disposed in the second through hole 122, in which the first electrode connection terminal 15 and the second electrode connection terminal 16 can protrude from the top plate 12, the first electrode connection terminal 15 is electrically connected to the positive electrode of the battery, and the second electrode connection terminal 16 is electrically connected to the negative electrode of the battery; in other embodiments, the first electrode connection terminal 15 may be electrically connected to a negative electrode of the battery, and the second electrode connection terminal 16 may be electrically connected to a positive electrode of the battery; the first electrode connection terminal 15 may be disposed to electrically connect the positive electrode or the negative electrode of the battery according to practical circumstances, and is not particularly limited herein.

In the present embodiment, the plurality of metal plates 20 are respectively embedded in the plurality of side walls 11. The plurality of metal plates 20 may be made of, for example, stainless steel or alloy to improve the structural strength of the plurality of side walls 11, thereby improving the case strength of the entire battery case 1.

In one embodiment of the present invention, as shown in fig. 2, the plurality of metal plates 20 includes, for example, a first metal plate 21 and a second metal plate 22. The plurality of sidewalls 11 includes a first sidewall 111 and a second sidewall 112.

Wherein, as shown in fig. 2, the first side wall 111 and the second side wall 112 are oppositely disposed and connected between the top plate 12 and the bottom plate 13; the first metal plate 21 is embedded in the first side wall 111, and the second metal plate 22 is embedded in the second side wall 112. A first mounting hole 1111 is formed in the first side wall 111, and the first mounting hole 1111 extends from the outer side of the first side wall 111 to the inside of the first metal plate 21; a second mounting hole 1121 is formed in the second side wall 112, and the second mounting hole 1121 extends from the outer side of the second side wall 112 to the inside of the second metal plate 22; in this embodiment, the first mounting hole 1111 and the second mounting hole 1121 may respectively extend into the first metal plate 21 and the second metal plate 22, i.e. may extend into the metal plates, when the fixing plate or the connecting plate is fixed on the side wall through the mounting holes, the mounting holes may extend into the metal plates, so that the metal plates become a torsion bearing point when being fixed or combined, for example, a screw hole structure is embedded in the metal plates, so that the mounting holes and the screw hole structure may be connected into a whole, and further, the mounting hole 1111 may be provided with a fixing member to be connected to the metal plates, because the structural strength of the metal plates is higher than that of the plastic housing, when the metal plates serve as the torsion bearing point, the structure of the torsion housing 1 is not easily deformed, and the structural strength of the housing 1 is higher. In other embodiments, the extended positions of the first mounting hole and the second mounting hole may be extended and disposed through the entire metal plate, as the case may be. And is not particularly limited herein.

In an embodiment of the present invention, as shown in fig. 3, the plurality of side walls 11 further includes, for example, a third side wall 113 and a fourth side wall 114, the third side wall 113 and the fourth side wall 114 are disposed opposite to each other, and the third side wall 113 and the fourth side wall 114 are connected between the top plate 12 and the bottom plate 13 and between the first side wall 111 and the second side wall 112.

As shown in fig. 3, opposite ends of the first metal plate 21 are respectively provided with a first extending portion 211 and a second extending portion 212, and the first extending portion 211 extends from one end of the first metal plate 21 adjacent to the third sidewall 113 to one end of the third sidewall 113 adjacent to the first sidewall 111; the second extension 212 extends from an end of the first metal plate 21 adjacent to the fourth sidewall 114 to an end of the fourth sidewall 114 adjacent to the first sidewall 111; a third mounting hole 1131 is formed in the third sidewall 113, and the third mounting hole 1131 extends from the outer side of the third sidewall 113 to the inside of the first extending portion 211; a fourth mounting hole 1141 is disposed on the fourth side wall 114, and the fourth mounting hole 1141 extends from the outer side of the fourth side wall 114 to the inside of the second extending portion 212. The structure of the second metal plate 22 is similar to the structure of the first metal plate 21, and reference may be made to the specific structure of the first metal plate 21, which is not described herein again. By providing the first extension 211 and the second extension 212 in the first metal plate 21, and providing the third mounting hole 1131 and the fourth mounting hole 1141 corresponding to the first extension 211 and the second extension 212, respectively; and a third mounting hole 1131 is formed to extend from the outer side of the third side wall 113 to the inside of the first extending portion 211, and a fourth mounting hole 1141 extends from the outer side of the fourth side wall 114 to the inside of the second extending portion 212, so that when a plurality of battery cases 1 are connected to form an integral structure, a power supply structure capable of providing larger power can be formed by connecting the plurality of battery cases 1 by mounting connecting plates on the third mounting hole 1131 and the fourth mounting hole 1141; meanwhile, since the third and fourth mounting holes 1131 and 1141 extend to the extension of the first metal plate, the metal plate becomes a torsion receiving point, so that the structural strength of the battery case 1 is higher. The second metal plate 22 is also provided with two extending parts, and the structure of the second metal plate 22 is symmetrical to that of the first metal plate 21; therefore, the specific structure of the second metal plate 22 can refer to the specific structure of the first metal plate 21, and is not described herein again.

Wherein, as shown in fig. 3, the plurality of metal plates 20 further includes a third metal plate 23 and a fourth metal plate 24, the third metal plate 23 is embedded in one end of the third side wall 113 adjacent to the bottom plate 13; the fourth metal plate 24 is embedded in an end of the fourth side wall 114 adjacent to the bottom plate 13; a fifth mounting hole 1132 is further disposed on the third sidewall 113, and the fifth mounting hole 1132 extends from the outer side of the third sidewall 113 to the inside of the third metal plate 23; a sixth mounting hole 1142 is further disposed on the fourth side wall 114, and the sixth mounting hole 1142 extends from the outer side of the fourth side wall 114 to the inside of the fourth metal plate 24. Because the mounting hole can extend to the metal sheet in for the metal sheet becomes fixed or torque force when connecting the combination bears the point, because the structural strength of metal sheet is higher than the structural strength of plastic casing, when the metal sheet comes as torque force bearing point, makes battery case 1's structure be difficult to take place deformation, and makes battery case 1's structural strength higher.

In an embodiment of the present invention, as shown in fig. 2 and 4, the battery case 1 further includes, for example, a first fixing member 51 and a first mounting member 52, a second fixing member 53 and a second mounting member 54; the first fixing piece 51 is provided with a first mounting through hole 511, and the second fixing piece 53 is provided with a second mounting through hole 531; the first fixing member 51 abuts against the first sidewall 111, and the first mounting member 52 is sequentially inserted into the first mounting through hole 511 and the first mounting hole 1111 to connect the first fixing member 51 to the first sidewall 111; the second fixing member 53 abuts against the second side wall 112, and the second mounting member 54 is sequentially inserted into the second mounting through hole 531 and the second mounting hole 1121 to connect the second fixing member 53 to the second side wall 112.

In the present embodiment, as shown in fig. 4, the first fixing element 51 and the second fixing element 53 may be, for example, L-shaped metal plates, and the L-shaped metal plates include a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are vertically connected to form an L-shaped metal plate, the second fixing plate is provided with a first installation through hole 511 provided with the first fixing element 51 or a second installation through hole 531 provided with the second fixing element 53, that is, when the L-shaped metal plate abuts against the first sidewall 111, the second fixing plate is provided with the first installation through hole 511, and when the L-shaped metal plate abuts against the second sidewall 112, the second fixing plate is provided with the second installation through hole 531; the first fixing plate is provided with a hanging fixing part, the carrying or fixing function of the battery can be realized according to actual requirements, and when the battery case 1 is required to be fixed on a wall surface or the ground, the hanging fixing part on the first fixing plate can be provided with a connecting piece, such as a screw; when the battery case 1 is required to be carried, the connecting piece arranged on the hanging fixing part on the fixing plate is for example a hanging rope. The first mounting part 52 or the second mounting part 54 is disposed on the second fixing plate of the L-shaped metal plate, the first mounting part 52 and the second mounting part 54 can be, for example, screws, which are fixed to the first metal plate 21 through the first mounting through hole 511 and the first mounting hole 1111, and fix the first fixing part 51 against the first side wall 111, so that when the first fixing part 51 is fixed to the first side wall 111 through the first mounting part 52, the torsion bearing point of the connection is the first metal plate 21; the connection mode of the second fixing member 53 can refer to the connection mode of the first fixing member 51, and details are not repeated here.

In an embodiment of the present invention, as shown in fig. 3, the battery case 1 further includes a third fixing member 61 and a third mounting member 62, and a fourth fixing member 63 and a fourth mounting member 64; the third fixing member 61 is provided with a third mounting through hole 611, and the fourth fixing member 63 is provided with a fourth mounting through hole 631; the third fixing member 61 abuts against the third sidewall 113, and the third mounting member 62 sequentially penetrates through the third mounting through hole 611 and the third mounting hole 1131 to connect the third fixing member 61 to the third sidewall 113; the fourth fixing member 63 abuts against the fourth side wall 114, and the fourth mounting member 64 is sequentially inserted into the fourth mounting through hole 631 and the fourth mounting hole 1141 to connect the fourth fixing member 63 to the fourth side wall 114. The third fixing member 61 and the fourth fixing member 63 may be, for example, fixing plates, and the fixing plates may be, for example, L-shaped metal plates; the third and fourth mounting elements 62, 64 may be screws, for example. The matching manner and the specific structure of the third fixing member 61 and the third mounting member 62, and the fourth fixing member 63 and the fourth mounting member 64 in this embodiment can refer to the matching manner and the specific structure of the first fixing member 51 and the first mounting member 52, and are not described herein again.

In a preferred embodiment of this embodiment, as shown in fig. 5, the top plate 12 is provided with a protrusion 123 protruding outward, and the protrusion 123 protrudes to a height higher than the first electrode connecting terminal 15 and the second electrode connecting terminal 16. In the present embodiment, the first electrode connecting terminal 15 and the second electrode connecting terminal 16 are provided to protrude from the top plate 12, but neither of them protrudes to a height exceeding the height of the protruding portion 123; firstly, be used for preventing the mistake electric shock: when the user carelessly drops the conductive item onto the top plate 12 of the battery case, the conductive item is not stopped on the top plate 12 but directly dropped out by setting the height of the projection 123 to be higher than the first electrode connecting terminal 15 and the second electrode connecting terminal 16; the user does not have the risk of electric shock due to the contact of the conductive object with the first electrode connecting terminal 15 and the second electrode connecting terminal 16 when picking up the conductive object; secondly, when an article falls on the top plate 12 of the battery case 1, the first electrode connecting terminal 15 and the second electrode connecting terminal 16 can be protected from directly colliding with the falling article, thereby causing damage to the first electrode connecting terminal 15 and the second electrode connecting terminal 16.

In a preferred embodiment of this embodiment, as shown in fig. 4-5, a cavity may be formed around the protrusion 123 and the top plate 12, the cavity may be used to place a battery management chip, the battery management chip may be electrically connected to a battery placed in the accommodating cavity, the positive and negative poles of the battery are connected to the battery management chip, and then the battery management chip is electrically connected to the first electrode connecting terminal 15 and the second electrode connecting terminal 16; the battery management chip is, for example, a battery management system, and is mainly used for detecting and controlling parameters of the battery, such as voltage, current, temperature and the like, and can also provide protection for the battery, such as low voltage, overvoltage, overcurrent, short circuit, over-temperature, low temperature and the like. The protrusion 123 may be provided with a communication interface and a switch button, for example; the switch key is used for controlling connection and disconnection between a first motor connecting terminal and a second electrode connecting terminal in the battery case and the positive electrode and the negative electrode of the battery, so that power supply starting or stopping when the battery is installed in the battery case is controlled; the communication interface is used for communicating with the battery management chip; the communication interface is, for example, a serial port, and the serial port is, for example, a COM interface.

In a preferred embodiment of this embodiment, as shown in fig. 6, the first installation holes 1111 are located at the edge positions of the first side wall 111, for example, the edges of four side walls of the first side wall 111, so as to meet different situations of the battery case, for example, a user needs to carry the battery case 1 with him, the first installation holes 1111 may be located at the edge position of the first side wall 111 close to the top plate 12, and then a connection member is installed on the first installation holes 1111, the connection member is provided with a hanging part, and the battery case 1 can realize a function of being carried with him by the cooperation between the hanging part, the connection member and the first installation holes; when the battery case 1 needs to be fixed on a wall surface, the first mounting hole 1111 may be disposed at an edge position of the first side wall 111 near the fourth side wall 114, and then by mounting a fixing member such as a screw or the like on the first mounting hole 1111, the battery case 1 may be fixed on the wall surface by cooperation of the first mounting hole 1111 and the fixing member; the specific position of the first mounting hole 1111 can be set at different edge positions of the first sidewall 111 according to actual requirements, and can be used for meeting different scene requirements of users.

In a preferred embodiment of this embodiment, as shown in fig. 6 to 7, an inner concave portion 1112 is further disposed at a middle position of an outer side of the first side wall 111, the inner concave portion 1112 is further provided with a seventh mounting hole 1113, and the seventh mounting hole 1113 extends inward from the outer side of the first side wall 111 into the first metal plate 21; the battery case 1 further includes a set of plates 71 and a fifth mounting member 72, the set of plates 71 being provided with fifth mounting through holes 711, the fifth mounting through holes 711 corresponding to the seventh mounting holes 1113; the fifth mounting piece 72 passes through the fifth mounting through hole 711 and the seventh mounting hole 1113 in this order to connect the pair of plates 71 in the inner recess 1112 of the first side wall 111. In this embodiment, the pairing plate 71 may be, for example, a rectangular metal plate, and the fifth mounting member 72 is, for example, a screw; the present embodiment can be used as a decorative member by disposing the paired plates 71 in the concave portion 1112 of the first side wall 111, and when there are a plurality of battery cases 1 to be assembled into an integral structure, the paired plates 71 can be mounted at the positions of the first mounting holes 1111 of the first side wall 111, so that the battery cases 1 between two of them can be connected by the paired plates to form an integral structure, and the paired plates 71 can be used as a connecting member.

The embodiment of the utility model provides an in, the battery case is through being equipped with a plurality of metal sheets 20 at a plurality of lateral walls 11 are embedded to promote the structural strength of a plurality of lateral walls 11, and then can reach and promote the holistic structural strength of battery case 1. In the present embodiment, by setting the heights of the first electrode connecting terminal 15 and the second electrode connecting terminal 16 to be not higher than the protruding portion 123, the effect of preventing a false electric shock and protecting the first electrode connecting terminal 15 and the second electrode connecting terminal 16 from being damaged by a dropped article can be achieved. In the present embodiment, the first fixing member 51 and the first mounting member 52 are disposed to abut against the first side wall 111, and the second fixing member 53 and the second mounting member 54 are disposed to abut against the second side wall 112, so that the battery case 1 can be fixed on the ground or a wall surface by the first fixing member 51 and the second fixing member 53.

[ second embodiment ]

As shown in fig. 8, the present embodiment provides a power supply 100, and the power supply 100 includes, for example: the battery case 1 and the battery 101 described above in the first embodiment.

In the present embodiment, the battery 101 is, for example, a storage battery, such as a liquid lithium ion battery in the prior art. The battery 101 comprises a battery positive electrode 1011 and a battery negative electrode 1012, the battery 101 is arranged in the accommodating cavity 14 of the battery case 1, the battery positive electrode 1011 is electrically connected with the first electrode connecting terminal 15 of the battery case 1, and the battery negative electrode 1012 is electrically connected with the second electrode connecting terminal 16 of the battery case 1.

As shown in fig. 9A to 9B, in the present embodiment, the number of the battery cases 1 is two, and the two battery cases 1 are connected by the combination plate 71, as shown in fig. 9A; the pair of plates 71 in the present embodiment is disposed at the mounting hole of the third side wall 113 of one of the two battery cases 1 adjacent to the second side wall 112 and the mounting hole of the third side wall 113 of the other battery case adjacent to the first side wall 111, and the two battery cases 1 are connected through the mounting holes provided at the third side wall.

As shown in fig. 9B, the pair of plates 71 is disposed at the first mounting hole 1111 of the first sidewall 111 of one of the two battery cases 1 adjacent to the third sidewall 113 and the first mounting hole 1111 of the first sidewall 111 of the other battery case adjacent to the fourth sidewall 114 in the present embodiment, and the pair of plates 71 and the fifth mounting member 72 are mounted through the mounting holes disposed at the first sidewall 111 such that the two battery cases 1 are connected to one power source. In other embodiments, more than two battery cases 1 may be connected, and the specific connection manner may also refer to the connection manner shown in fig. 9A or fig. 9B, which is not limited herein.

In the present embodiment, when a plurality of battery cases 1 are required to be connected to form a whole, the plurality of battery cases 1 may be connected to form one power source by fitting the combination plate 71, the fifth mounting member 72, and the plurality of mounting holes provided in the side walls 11.

The power supply in this embodiment may be used to provide power for use with devices or systems such as recreational vehicles, golf carts, USP power supplies, small energy storage devices, and the like.

In addition, it can be understood that the foregoing embodiments are only exemplary illustrations of the present invention, and the technical solutions of the embodiments can be combined and matched arbitrarily on the premise that the technical features are not conflicted, the structures are not contradictory, and the objects of the present invention are not violated.

The units/modules described as separate parts may or may not be physically separate, and parts displayed as units/modules may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units/modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

In addition, each functional unit/module in the embodiments of the present invention may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units/modules.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A battery case (1), characterized by comprising:

the plastic shell body (10) comprises a top plate (12), a bottom plate (13) and a plurality of side walls (11), wherein the side walls (11) are respectively connected between the top plate (12) and the bottom plate (13), the top plate (12), the bottom plate (13) and the side walls (11) jointly enclose an accommodating cavity (14) for accommodating a battery, and a first through hole (121) and a second through hole (122) are formed in the top plate (12); the plastic shell body (10) further comprises a first electrode connecting terminal (15) and a second electrode connecting terminal (16) which are used for connecting the electrodes of the battery, the first electrode connecting terminal (15) is arranged in the first through hole (121) in a penetrating mode, and the second electrode connecting terminal (16) is arranged in the second through hole (122) in a penetrating mode; and

and a plurality of metal plates (20) respectively embedded in the plurality of side walls (11).

2. The battery can (1) according to claim 1, wherein the plurality of metal plates (20) comprises a first metal plate (21) and a second metal plate (22), the plurality of side walls (11) comprises a first side wall (111) and a second side wall (112), the first side wall (111) and the second side wall (112) are oppositely disposed and are connected between the top plate (12) and the bottom plate (13); the first metal plate (21) is embedded in the first side wall (111), and the second metal plate (22) is embedded in the second side wall (112);

a first mounting hole (1111) is arranged on the first side wall (111), and the first mounting hole (1111) extends inwards from the outer side of the first side wall (111) to the first metal plate (21);

the second side wall (112) is provided with a second mounting hole (1121), and the second mounting hole (1121) extends inwards from the outer side of the second side wall (112) to the second metal plate (22).

3. The battery case (1) according to claim 2, wherein the first mounting hole (1111) is located at an edge position of the first side wall (111), and the second mounting hole (1121) is located at an edge position of the second side wall (112).

4. The battery case (1) according to claim 2, wherein the plurality of side walls (11) further comprises a third side wall (113) and a fourth side wall (114), the third side wall (113) and the fourth side wall (114) being oppositely disposed, the third side wall (113) and the fourth side wall (114) being connected between the top plate (12) and the bottom plate (13) and between the first side wall (111) and the second side wall (112);

the opposite ends of the first metal plate (21) are respectively provided with a first extension part (211) and a second extension part (212), and the first extension part (211) extends from one end of the first metal plate (21) adjacent to the third side wall (113) to one end of the third side wall (113) adjacent to the first side wall (111); the second extension (212) extends from an end of the first metal plate (21) adjacent to the fourth side wall (114) into an end of the fourth side wall (114) adjacent to the first side wall (111);

a third mounting hole (1131) is formed in the third side wall (113), and the third mounting hole (1131) extends inwards from the outer side of the third side wall (113) to the first extending portion (211);

a fourth mounting hole (1141) is formed in the fourth side wall (114), and the fourth mounting hole (1141) extends inwards from the outer side of the fourth side wall (114) to the second extending portion (212).

5. The battery can (1) according to claim 4, wherein the plurality of metal plates (20) further comprises a third metal plate (23) and a fourth metal plate (24), the third metal plate (23) being embedded in an end of the third side wall (113) adjacent to the bottom plate (13); -said fourth metal plate (24) is embedded in an end of said fourth side wall (114) adjacent to said bottom plate (13);

a fifth mounting hole (1132) is further formed in the third side wall (113), and the fifth mounting hole (1132) extends inwards from the outer side of the third side wall (113) to the third metal plate (23);

the fourth side wall (114) is further provided with a sixth mounting hole (1142), and the sixth mounting hole (1142) extends inwards from the outer side of the fourth side wall (114) to the fourth metal plate (24).

6. The battery can (1) according to claim 1, wherein the top plate (12) is outwardly convexly provided with a protrusion (123), and the protrusion (123) protrudes to a height higher than the first electrode connecting terminal (15) and the second electrode connecting terminal (16).

7. The battery case (1) according to claim 2, wherein said battery case (1) further comprises a first fixing member (51) and a first mounting member (52), a second fixing member (53) and a second mounting member (54); a first mounting through hole (511) is formed in the first fixing piece (51), and a second mounting through hole (531) is formed in the second fixing piece (53);

the first fixing piece (51) abuts against the first side wall (111), and the first mounting piece (52) is sequentially arranged in the first mounting through hole (511) and the first mounting hole (1111) in a penetrating manner to connect the first fixing piece (51) to the first side wall (111); the second fixing piece (53) abuts against the second side wall (112), and the second mounting piece (54) sequentially penetrates through the second mounting through hole (531) and the second mounting hole (1121) to connect the second fixing piece (53) to the second side wall (112).

8. The battery case (1) according to claim 5, wherein said battery case (1) further comprises a third fixing member (61) and a third mounting member (62), a fourth fixing member (63) and a fourth mounting member (64); a third mounting through hole (611) is formed in the third fixing piece (61), and a fourth mounting through hole (631) is formed in the fourth fixing piece (63);

the third fixing piece (61) is abutted against the third side wall (113), and the third mounting piece (62) is sequentially arranged in the third mounting through hole (611) and the third mounting hole (1131) in a penetrating manner to connect the third fixing piece (61) to the third side wall (113); the fourth fixing piece (63) abuts against the fourth side wall (114), and the fourth mounting piece (64) is sequentially arranged in the fourth mounting through hole (631) and the fourth mounting hole (1141) in a penetrating manner to connect the fourth fixing piece (63) to the fourth side wall (114).

9. The battery case (1) according to claim 2, wherein an inner recessed portion (1112) is further provided at a central position of an outer side of the first side wall (111), and the inner recessed portion (1112) is further provided with a seventh mounting hole (1113), the seventh mounting hole (1113) extending inward from the outer side of the first side wall (111) into the first metal plate (21);

the battery case (1) further comprises a group-to-plate (71) and a fifth mounting member (72), wherein a fifth mounting through hole (711) is formed in the group-to-plate (71), and the fifth mounting through hole (711) corresponds to the seventh mounting hole (1113); the fifth mounting piece (72) passes through the fifth mounting through hole (711) and the seventh mounting hole (1113) in this order to connect the set of plate pairs (71) in the inner recess (1112) of the first side wall (111).

10. A power supply (100), comprising:

the battery case (1) according to any one of claims 1 to 9;

a battery (101) comprising a battery positive electrode (1011) and a battery negative electrode (1012); the battery (101) is arranged in the accommodating cavity (14) of the battery shell (1), the battery positive electrode (1011) is electrically connected with the first electrode connecting terminal (15) of the battery shell (1), and the battery negative electrode (1012) is electrically connected with the second electrode connecting terminal (16) of the battery shell (1).

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