Battery box

Abstract

The utility model discloses a battery box which comprises a sealing ring, a shell, an upper cover, a linkage piece and a locking plate, a second clamping groove and a containing cavity are formed in the shell, an opening communicated with the outside is formed in the portion, on the surface of one side of the shell, of the containing cavity, and the sealing ring surrounds the opening and is arranged on the shell; the upper cover is provided with a first clamping groove, and the upper cover is rotationally connected to the shell so as to close or open the opening; the locking plate comprises a first clamping protrusion, a second clamping protrusion and a plate body, the first clamping protrusion and the second clamping protrusion are arranged at the two opposite ends of the plate body respectively, the first clamping protrusion is used for being connected with the first clamping groove in a clamped mode, and the second clamping protrusion is used for being connected with the second clamping groove in a clamped mode. The plate body and the linkage piece are rotationally connected around a first axis, the linkage piece and the shell are rotationally connected around a second axis, and the first axis and the second axis are parallel and spaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic product accessory technical field especially relates to a battery box. BACKGROUND

[0002] At present, most electronic products with batteries are built-in batteries, and the capacity of the battery will be obviously reduced after long time use. When the capacity loss of the battery seriously affects the endurance of the electronic product, the battery needs to be replaced after disassembly.

[0003] However, after disassembly and battery replacement, the waterproof ability of some electronic products with waterproof function becomes poor or even fails. SUMMARY

[0004] The utility model discloses a battery box to solve the problem of poor waterproof ability of the existing electronic product after disassembly and battery replacement.

[0005] The utility model provides a battery box, including sealing ring, shell, upper cover, linkage and locking plate,

[0006] The shell is provided with a second clamping groove and a receiving cavity, the receiving cavity is provided with an opening communicating with the outside on one side surface of the shell, and the sealing ring is arranged on the shell around the opening;

[0007] The upper cover is provided with a first clamping groove, and the upper cover is rotationally connected to the shell to close or open the opening;

[0008] The locking plate has a locking state of locking the shell and the upper cover and an unlocking state of unlocking the shell and the upper cover, and the locking plate includes a first clamping convex, a second clamping convex and a plate main body, the first clamping convex and the second clamping convex are arranged at opposite ends of the plate main body respectively, the first clamping convex is used for clamping with the first clamping groove, and the second clamping convex is used for clamping with the second clamping groove, the plate main body is rotationally connected with the linkage around a first axis, the linkage is rotationally connected with the shell around a second axis, and the first axis and the second axis are parallel and spaced apart;

[0009] When the shell and the upper cover are converted from the unlocking state to the locking state, the upper cover closes the opening of the receiving cavity, the first clamping convex is clamped into the first clamping groove, the linkage rotates around the first axis, so that the locking plate drives the upper cover to press the sealing ring tightly, and the second clamping convex is clamped into the second clamping groove.

[0010] Optionally, the linkage comprises a first rotating shaft, a first arc-shaped rod and a second arc-shaped rod, the first rotating shaft is arranged in the shell, two ends of the first rotating shaft are connected with one end of the first arc-shaped rod and one end of the second arc-shaped rod respectively, the other end of the first arc-shaped rod and the other end of the second arc-shaped rod are coaxial and are rotatably connected with the plate body respectively.

[0011] Optionally, the locking plate further comprises a rotating seat arranged on one side surface of the plate body, opposite sides of the rotating seat are provided with a first hole and a second hole, one end of the first arc-shaped rod away from the first rotating shaft is arranged in the first hole, one end of the second arc-shaped rod away from the first rotating shaft is arranged in the second hole.

[0012] Optionally, a plurality of friction strips are arranged on the side surface of the plate body away from the rotating seat, the friction strips protrude from the surface of the plate body.

[0013] Optionally, the length direction of the plate body is parallel to the direction from the first clamping convex to the second clamping convex; the width direction of the plate body is perpendicular to the direction from the first clamping convex to the second clamping convex.

[0014] The plate body comprises a first plate body and a second plate body connected in sequence along the length direction of the plate body, the first plate body and the second plate body both extend along the length direction of the plate body, the width of the first plate body is smaller than the width of the second plate body.

[0015] The side wall of the upper cover is provided with a first groove, the side wall of the shell is provided with a second groove, the first groove is communicated with the second groove, one end of the first plate body can be arranged in the first groove, the other end of the first plate body and the second plate body can be arranged in the second groove; the first clamping convex is arranged on the first plate body, and the second clamping convex is arranged on the second plate body.

[0016] Optionally, the shell comprises a first shell and a second shell, the first shell is arranged on the top of the second shell, the first shell is provided with a through hole, the second shell is provided with a blind hole, the through hole is communicated with the blind hole to form a containing cavity.

[0017] The second groove comprises a first sub-groove arranged on the first shell and a second sub-groove arranged on the second shell, the length direction of the second groove is the same as the length direction of the plate body, the width direction of the second groove is the same as the width direction of the plate body, and the two ends of the length direction of the first sub-groove are communicated with the first groove and the second sub-groove respectively; the width of the first sub-groove is the same as the width of the first groove, so that the first sub-groove and the first groove can accommodate the first plate body, and the second sub-groove can accommodate the second plate body.

[0018] Optionally, the second sub-groove comprises a receiving groove for accommodating the locking plate and a slot for finger insertion, the receiving groove and the slot are communicated, and the slot is located on the side of the receiving groove away from the first groove.

[0019] Optionally, a first guide groove is arranged on the bottom wall of the first groove, a second guide groove is arranged on the bottom wall of the second groove, the first guide groove and the second guide groove extend along the same line, and the first guide groove is communicated with the second guide groove.

[0020] A guide strip is arranged on the plate body, the guide strip extends along the length direction of the plate body, one end of the guide strip can be inserted into the first guide groove, and the other end of the guide strip can be inserted into the second guide groove.

[0021] Optionally, a first rotating shaft seat is arranged on the bottom wall of the first sub-groove, a positioning groove is arranged on the first rotating shaft seat, a rotating shaft seat is arranged on the bottom wall of the second sub-groove, a positioning plate and a mounting groove are arranged on the rotating shaft seat, the first rotating shaft is arranged in the mounting groove, and the two ends of the first rotating shaft pass through the mounting groove.

[0022] After the first shell and the second shell are connected, the positioning plate is inserted into the positioning groove, and the first rotating shaft rotates between the first rotating shaft seat and the mounting groove.

[0023] Optionally, a positioning insertion rod is arranged on the first shell, the positioning insertion rod protrudes from the top surface of the first shell, a positioning rod is arranged on the second shell, a positioning hole is arranged on the positioning rod, and the positioning insertion rod can be inserted into the positioning hole.

[0024] The utility model embodiment provides battery box, when needing to close the upper opening of containing cavity, the opening of containing cavity is closed artificially to the upper cover, first card protrusion on locking plate is carded into first recess after, the lower end of locking plate is pressed down, locking plate drives linkage member to move towards the shell, until the second card protrusion of locking plate lower end is carded into second card slot in the shell, in this process, locking plate rotation process has the tendency of displacement downward, thereby driving first card protrusion gradually presses down the upper cover, and then the sealing ring between the shell and the upper cover is pressed, thereby improve the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be briefly introduced to the drawing needed to be used in the description of the utility model embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0026] Figure 1 It is the closed state schematic diagram of battery box in an embodiment of the utility model;

[0027] Figure 2 It is the opening state schematic diagram of battery box in an embodiment of the utility model;

[0028] Figure 3 It is the explosion schematic diagram of battery box in an embodiment of the utility model.

[0029] Figure 4 It is the half cut schematic diagram of battery box in an embodiment of the utility model;

[0030] Figure 5 It is the structure schematic diagram of locking plate of battery box in an embodiment of the utility model;

[0031] Figure 6 It is the structure schematic diagram of first shell of battery box in an embodiment of the utility model.

[0032] Label: 1, shell; 11, first shell; 12, second shell; 13, second groove; 131, first sub-groove; 132, second sub-groove; 1321, containing groove; 1322, slot; 15, mounting groove; 16, sealing groove; 17, containing cavity; 171, through hole; 18, second guide groove; 19, first rotating shaft seat; 191, positioning groove; 2, upper cover; 21, first groove; 22, first guide groove; 23, second rotating shaft seat; 3, locking plate; 31, first plate body; 32, second plate body; 33, first clamping convex; 34, second clamping convex; 35, rotating seat; 351, first hole; 352, second hole; 36, friction strip; 4, guide strip; 5, sealing ring; 6, linkage; 61, first rotating shaft; 62, first arc rod; 63, second arc rod; 8, positioning plug; 9, positioning rod. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0034] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0035] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] The battery box comprises a sealing ring 5, a shell 1, an upper cover 2, a linkage 6 and a locking plate 3. The first side of the upper cover 2 is rotationally connected to the top end of the shell 1, and the second side of the upper cover 2 is provided with a first clamping groove. The shell 1 has an accommodating cavity 17 with an upward opening, and the shell 1 is provided with a second clamping groove. The sealing ring 5 is arranged on the shell 1 and surrounds the opening of the accommodating cavity 17.

[0037] The locking plate has a locking state for locking the shell 1 and the upper cover 2 and an unlocking state for unlocking the shell 1 and the upper cover 2. The locking plate 3 comprises a first clamping protrusion 33, a second clamping protrusion 34 and a plate body. The length direction of the plate body is the up-down direction. The first clamping protrusion 33 and the second clamping protrusion 34 are arranged at the upper end and the lower end of the plate body, respectively. The plate body is rotationally connected to the linkage 6 around a first axis. The side of the linkage 6 away from the plate body is rotationally connected to the shell 1 around a second axis.

[0038] When the shell 1 and the upper cover 2 are in the locking state, the upper cover 2 closes the opening of the accommodating cavity 17. The first clamping protrusion 33 is clamped into the first clamping groove, and the second clamping protrusion 34 is clamped into the second clamping groove.

[0039] When the shell 1 and the upper cover 2 are converted from the unlocking state to the locking state, the upper cover 2 closes the opening of the accommodating cavity 17 and the first clamping protrusion 33 is clamped into the first clamping groove. The linkage 6 is rotated around the first axis to make the locking plate 3 drive the upper cover 2 to press the sealing ring 5 tightly, until the second clamping protrusion 34 is clamped into the second clamping groove.

[0040] When it is necessary to close the upper opening of the accommodating cavity 17, the upper cover 2 is manually closed to close the opening of the accommodating cavity 17. Then the first clamping protrusion 33 on the locking plate 3 is clamped into the first clamping groove 21. The lower end of the locking plate 3 is pressed down, so that the locking plate 3 drives the linkage 6 to move towards the shell 1, until the second clamping protrusion 34 at the lower end of the locking plate 3 is clamped into the second clamping groove in the shell 1. In this process, the locking plate 3 has a downward displacement trend in the rotation process, thereby driving the first clamping protrusion 33 to gradually press the upper cover 2 down, and further press the sealing ring 5 between the shell 1 and the upper cover 2, thereby improving the sealing effect. In actual tests, the sealing level in the embodiment can reach IP67.

[0041] As an example, the linkage 6 comprises a first rotating shaft 61, a first arcuate rod 62 and a second arcuate rod 63, the first rotating shaft 61 is arranged in the housing 1, two ends of the first rotating shaft 61 are connected to one end of the first arcuate rod 62 and one end of the second arcuate rod 63 respectively, the other end of the first arcuate rod 62 and the other end of the second arcuate rod 63 are coaxial and are rotatably connected to the plate body, wherein the axis of the first rotating shaft 61 is parallel to the first axis, the coaxial end of the first arcuate rod 62 and the second arcuate rod 63 is coaxial to the second axis. In this embodiment, the general shape of the linkage 6 is C-shaped, the two ends of the opening of the linkage 6 are rotatably connected to the locking plate 3, and the side of the linkage 6 without the opening is arranged in the housing 1, so that the first rotating shaft 61 is rotatably connected to the housing 1 and rotates around the first axis, and the first arcuate rod 62 and the second arcuate rod 63 are rotatably connected to the locking plate 3 and rotate around the second axis.

[0042] In this embodiment, a sealing groove 16 is arranged at the opening of the accommodating cavity 17, the sealing groove 16 is arranged around the opening of the accommodating cavity 17, and the sealing ring 5 is inserted into the sealing groove 16.

[0043] As an example, the locking plate further comprises a rotating seat 35, the rotating seat 35 is arranged on one side surface of the plate body, the opposite sides of the rotating seat 35 are provided with a first hole 351 and a second hole 352, one end of the first arcuate rod 62 away from the first rotating shaft 61 is arranged in the first hole 351, and one end of the second arcuate rod 63 away from the first rotating shaft 61 is arranged in the second hole 352.

[0044] The reason for adopting the C-shaped linkage 6 and the above-mentioned rotating seat 35 is mainly because they are convenient to assemble, when assembling, only need to insert the first arcuate rod 62 into the first hole 351 and the second arcuate rod 63 into the second hole 352.

[0045] As an example, a plurality of friction strips 36 are arranged on the side surface of the plate body away from the rotating seat 35, the friction strips 36 protrude from the surface of the plate body. In this embodiment, in order to increase the friction when pressing the lower end of the locking plate 3, a plurality of friction strips 36 are arranged on the outer surface of the plate body, the friction strips 36 can be parallel to each other or staggered with each other.

[0046] As an example, the plate body comprises a first plate body 31 and a second plate body 32 connected in sequence in the up-down direction, the first plate body 31 and the second plate body 32 both extend in the up-down direction, the width of the first plate body 31 is smaller than the width of the second plate body 32, the side wall of the upper cover 2 is provided with a first recess 21, the side wall of the housing 1 is provided with a second recess 13, the lower end of the first recess 21 is communicated with the upper end of the second recess 13, the upper part of the first plate body 31 can be arranged in the first recess 21, and the lower part of the first plate body 31 and the second plate body 32 can be arranged in the second recess 13; the first clamping convex 33 is arranged on the first plate body 31, and the second clamping convex 34 is arranged on the second plate body 32.

[0047] The length direction of the first groove 21, the second groove 13, the first plate body 31 and the second plate body 32 in the embodiment is the up-down direction, the width direction of the first plate body 31, the second plate body 32, the first groove 21 and the second groove 13 is the same, and in the embodiment, the locking plate 3 is divided into two parts with different sizes, so that the up-down ends of the locking plate 3 can be quickly distinguished during assembly, thereby improving the assembly efficiency.

[0048] As an example, the shell 1 includes a first shell 11 and a second shell 12, the first shell 11 is arranged on the top of the second shell 12, the first shell 11 is provided with a through hole 171, the second shell 12 is provided with a blind hole, the through hole 171 communicates with the blind hole to form a containing cavity 17.

[0049] The second groove 13 includes a first sub-groove 131 arranged on the first shell 11 and a second sub-groove 132 arranged on the second shell 12, the up-down two ends of the first sub-groove 131 respectively communicate with the first groove 21 and the second sub-groove 132; the width of the first sub-groove 131 is the same as the width of the first groove 21, so that the first sub-groove 131 and the first groove 21 are used for containing the first plate body 31, and the second sub-groove 132 is used for containing the second plate body 32.

[0050] As an example, the bottom wall of the first sub-groove 131 is provided with a first rotating shaft 61 seat 19, the first rotating shaft 61 seat 19 is provided with a positioning groove 191, the bottom wall of the second sub-groove 132 is provided with a rotating shaft seat, the rotating shaft seat is provided with a positioning plate and an installation slot 15 with an upward opening, the first rotating shaft 61 is arranged in the installation slot 15, and two ends of the first rotating shaft 61 pass through the installation slot 15;

[0051] After the first shell 11 and the second shell 12 are connected, the positioning plate is inserted into the positioning groove 191, and the first rotating shaft 61 seat 19 closes the upper opening of the installation slot 15.

[0052] In the embodiment, the linkage 6 is placed on the rotating shaft seat before the first shell 11 and the second shell 12 are assembled into the shell 1, the first rotating shaft 61 of the linkage 6 is stably arranged on the shell 1 after the first shell 11 and the second shell 12 are connected into a whole, and then the linkage 6 is connected with the locking plate 3. The shell 1 is divided into two parts, so that the linkage 6 can be replaced and maintained, and the assembly speed can be also accelerated.

[0053] As an example, the second sub-groove 132 includes a containing groove 1321 for containing the locking plate 3 and a slot 1322 for inserting a finger, the containing groove 1321 and the slot 1322 are communicated, and the slot 1322 is located below the containing groove 1321.

[0054] The locking plate 3 of the embodiment is embedded into the first recess 21 and the second recess 13 in the locked state, and the length of the second sub-recess 132 is further enlarged to form a slot 1322 for the convenience of the personnel to pry out the locking plate 3 to unlock, and the fingers of the personnel are inserted into the slot 1322 to pry the locking plate 3 to rotate the locking plate 3 outward and upward.

[0055] As an example, the bottom wall of the first recess 21 is provided with a first guide slot 22, and the bottom wall of the second recess 13 is provided with a second guide slot 18, the first guide slot 22 and the second guide slot 18 extend along the same line, and the lower end of the first guide slot 22 communicates with the upper end of the second guide slot 18.

[0056] The plate body is provided with a guide strip 4 extending in the up-down direction, the upper part of the guide strip 4 can be inserted into the first guide slot 22, and the lower part of the guide strip 4 can be inserted into the second guide slot 18.

[0057] In the locked state, the upper and lower parts of the guide strip 4 are inserted into the first guide slot 22 and the second guide slot 18, respectively, in use, the shaking of the locking plate 3 along the width direction is reduced, the position of the locking plate 3 is limited, and when the locking plate 3 rotates to lock, the upper part of the guide strip 4 enters the first guide slot 22 first, thereby reducing the deviation of the locking plate 3 along the width direction in the rotating process.

[0058] As an example, the first housing 11 is provided with a positioning insertion rod 8 extending in the up-down direction, the second housing 12 is provided with a positioning rod 9 provided with a positioning hole, and the positioning insertion rod 8 can be inserted into the positioning hole. In the embodiment, the positioning insertion rod 8 and the positioning hole play a positioning role, and the first housing 11 can be quickly installed on the top of the second housing 12.

[0059] In other embodiments, the locking plate further comprises a second rotating shaft parallel to the first rotating shaft 61, the first rotating shaft 61, the second rotating shaft, the first arc rod 62 and the second arc rod 63 form a closed ring structure, the two ends of the second rotating shaft are coaxial with the end of the first arc rod 62 and the end of the second arc rod 63 connected thereto, and the axis of the second rotating shaft is a second axis.

[0060] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not change the essence of the corresponding technical solutions, and are within the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A battery case characterized by comprising: The sealing ring, the shell, the upper cover, the linkage and the locking plate are included. The shell is internally provided with a second clamping groove and a containing cavity, the containing cavity is provided with an opening communicating with the outside on one side surface of the shell, and the sealing ring is arranged on the shell around the opening. The upper cover is provided with a first clamping groove and is rotationally connected to the shell to close or open the opening. The locking plate has a locking state of locking the shell and the upper cover and an unlocking state of unlocking the shell and the upper cover, and includes a first clamping convex, a second clamping convex and a plate body, the first clamping convex and the second clamping convex are respectively arranged at opposite ends of the plate body, the first clamping convex is used for clamping with the first clamping groove, and the second clamping convex is used for clamping with the second clamping groove; the plate body is rotationally connected with the linkage around a first axis, the linkage is rotationally connected with the shell around a second axis, and the first axis and the second axis are parallel and spaced apart. When the shell and the upper cover are converted from the unlocking state to the locking state, the upper cover closes the opening of the containing cavity, the first clamping convex is clamped into the first clamping groove, the linkage is rotated around the first axis, so that the locking plate drives the upper cover to press the sealing ring, and the second clamping convex is clamped into the second clamping groove.

2. The battery case according to claim 1, wherein The linkage includes a first rotating shaft, a first arc rod and a second arc rod, the first rotating shaft is arranged in the shell, and two ends of the first rotating shaft are respectively connected with one end of the first arc rod and one end of the second arc rod; the other end of the first arc rod and the other end of the second arc rod are coaxial and are respectively rotationally connected with the plate body.

3. The battery pack of claim 2, wherein, The locking plate further includes a rotating seat arranged on one side surface of the plate body, and the rotating seat is provided with a first hole and a second hole on opposite sides thereof, one end of the first arc rod away from the first rotating shaft is arranged in the first hole, and one end of the second arc rod away from the first rotating shaft is arranged in the second hole.

4. The battery pack of claim 3, wherein, A plurality of friction strips are arranged on the side surface of the plate body away from the rotating seat, and the friction strips protrude from the surface of the plate body.

5. The battery pack of claim 1, wherein, The length direction of the plate body is parallel to the direction from the first clamping convex to the second clamping convex, and the width direction of the plate body is perpendicular to the direction from the first clamping convex to the second clamping convex. The plate body includes a first plate body and a second plate body connected in sequence along the length direction thereof, the first plate body and the second plate body both extend along the length direction of the plate body, and the width of the first plate body is smaller than the width of the second plate body. A first groove is arranged on the side wall of the upper cover, a second groove is arranged on the side wall of the shell, the first groove communicates with the second groove, one end of the first plate body can be arranged in the first groove, and the other end of the first plate body and the second plate body can be arranged in the second groove; the first clamping convex is arranged on the first plate body, and the second clamping convex is arranged on the second plate body.

6. The battery pack of claim 5, wherein, The shell comprises a first shell and a second shell, the first shell is arranged on the top of the second shell, a through hole is arranged on the first shell, a blind hole is arranged on the second shell, and the through hole communicates with the blind hole to form a containing cavity; The second groove comprises a first sub-groove arranged on the first shell and a second sub-groove arranged on the second shell, the length direction of the second groove is the same as the length direction of the plate body, the width direction of the second groove is the same as the width direction of the plate body, and the two ends of the length direction of the first sub-groove respectively communicate with the first groove and the second sub-groove; the width of the first sub-groove is the same as the width of the first groove, so that the first sub-groove and the first groove can accommodate the first plate body, and the second sub-groove can accommodate the second plate body.

7. The battery pack of claim 6, wherein, The second sub-groove comprises a containing groove for accommodating the locking plate and a insertion groove for finger insertion, the containing groove and the insertion groove communicate, and the insertion groove is located on the side of the containing groove away from the first groove.

8. The battery pack of claim 6, wherein, A first guide groove is arranged on the bottom wall of the first groove, a second guide groove is arranged on the bottom wall of the second groove, the first guide groove and the second guide groove extend along the same line, and the first guide groove communicates with the second guide groove; A guide strip is arranged on the plate body, the guide strip extends along the length direction of the plate body, one end of the guide strip can be inserted into the first guide groove, and the other end of the guide strip can be inserted into the second guide groove.

9. The battery pack of claim 6, wherein, A first rotating shaft seat is arranged on the bottom wall of the first sub-groove, a positioning groove is arranged on the first rotating shaft seat, a rotating shaft seat is arranged on the bottom wall of the second sub-groove, a positioning plate and a mounting groove are arranged on the rotating shaft seat, the first rotating shaft is arranged in the mounting groove, and the two ends of the first rotating shaft pass through the mounting groove; After the first shell and the second shell are connected, the positioning plate is inserted into the positioning groove, and the first rotating shaft rotates between the first rotating shaft seat and the mounting groove.

10. The battery pack of claim 6, wherein, A positioning insertion rod is arranged on the first shell, the positioning insertion rod protrudes from the top surface of the first shell, a positioning rod is arranged on the second shell, a positioning hole is arranged on the positioning rod, and the positioning insertion rod can be inserted into the positioning hole.

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