CN113285153B

CN113285153B - Battery device of scooter and battery box thereof

Info

Publication number: CN113285153B
Application number: CN202110829221.XA
Authority: CN
Inventors: 刘湘雄; 宗谱平; 谢文慧
Original assignee: Shenzhen Wald New Energy Co ltd
Current assignee: Shenzhen Wald New Energy Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-11-19
Anticipated expiration: 2041-07-22
Also published as: CN113285153A

Abstract

The utility model relates to a battery device of scooter, including a plurality of groups electric core module, respectively overlap the first electric core seat of locating electric core module both sides, second electric core seat and set up in the battery protection shield of second electric core seat, electric core module includes a plurality of electric core body, first electric core seat and second electric core seat have all been seted up two row at least power supply core body tip and have been inserted the electric core that establishes and lead to the groove, and the lateral wall that first electric core seat and second electric core seat deviate from each other all is provided with the anticreep portion of butt in electric core terminal surface, and first electric core seat and second electric core seat are through fixed subassembly fixed mounting, the lateral wall that first electric core seat and second electric core seat deviate from each other is provided with first conducting strip and the second conducting strip of butt in electric core body both ends electrode respectively, first conducting strip and the equal electric connection of second in battery protection shield. This application has the effect that improves battery module's structural stability.

Description

Battery device of scooter and battery box thereof

Technical Field

The application relates to the technical field of electric vehicles, in particular to a battery device of a scooter and a battery box of the battery device.

Background

The electric scooter is a vehicle based on a traditional manpower scooter and provided with an electric power suite. The current electric scooter is generally divided into two-wheel drive or single-wheel drive, the most common transmission modes are wheel hub motor and belt drive, the main power source is a battery box, and a battery module is arranged in the battery box.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: electric scooter is when using, because the restriction of scooter structure itself, factor such as the restriction of the road of going of scooter in addition for install the battery module inside electric scooter and meet with jolting easily in going, lead to the stability of battery module relatively poor, the welding point scheduling problem that drops appears easily, lead to the life of battery module to reduce, need often change the battery module, consequently need further improvement.

Disclosure of Invention

On the one hand, in order to improve battery module's structural stability, improve battery module's life, one of the purpose of this application provides a battery device of scooter.

The application provides a battery device of scooter adopts following technical scheme:

the utility model provides a battery device of scooter, includes a plurality of groups electric core module, overlaps respectively and locates first electric core seat, the second electric core seat of electric core module both sides and set up in the battery protection shield of second electric core seat, and electric core module includes a plurality of electric core body, first electric core seat and second electric core seat have all been seted up two rows at least and have been supplied with this end of body and insert the electric core logical groove of establishing of electric core, and the lateral wall that first electric core seat and second electric core seat deviate from each other all is provided with the anticreep portion of butt in electric core terminal surface, and first electric core seat and second electric core seat are through fixed subassembly fixed mounting, the lateral wall that first electric core seat and second electric core seat deviate from each other is provided with first conducting strip and the second conducting strip of butt in electric core body both ends electrode respectively, the equal electric connection of first conducting strip and second in battery protection shield.

Through adopting above-mentioned technical scheme, insert the one end of electric core body and establish and place in the logical inslot of electric core of first electric core seat, the terminal surface butt of electric core body is in anticreep portion, then with the electric core of second electric core seat lead to the other end of aligning electric core body and the tip of locating electric core body of cover, and fix first electric core seat and second electric core seat through fixed subassembly, thereby realize the fixed to electric core module, effectively improve the structural stability of electric core module, it takes place to rock and takes place the possibility of contact failure with the conducting strip to reduce the electric core module, thereby reduce the maintenance cost to this battery device, guarantee the normal use of scooter.

Optionally, the electric core body is the cylinder, and the axle center connecting wire that the electric core led to the groove is located same row on the same axle center connecting wire that the electric core led to the groove of being listed as to be located, and it has the installation department to be located between two adjacent lines and adjacent four electric core that are listed as between leading to the groove, fixed subassembly sets up the spliced pole of the installation department on first electric core seat and the connecting pipe of the installation department that the protrusion set up on second electric core seat including the protrusion, the terminal surface that the connecting pipe is close to the spliced pole is seted up and is supplied the spliced pole to insert the inserting groove of establishing, threaded connection is worn to be equipped with in the threaded fastener of spliced pole by the connecting pipe, is located between two adjacent lines and adjacent four electric core bodies between two and has the installation through-hole that supplies connecting pipe and spliced pole to wear to establish.

By adopting the technical scheme, on one hand, when the battery core module is installed, one end of the battery core body of the battery core module is inserted into the battery core through groove of the first battery core seat, the end surface of the battery core body is abutted against the anti-falling part, the plug-in post is inserted into the installation through hole between the four battery core bodies, then the connecting pipe of the second battery core seat is aligned to the installation through hole between the four battery core bodies and is sleeved on the plug-in post in a sliding manner, the battery core through groove of the second battery core seat is sleeved on the end part of the battery core body, and finally the connecting pipe and the plug-in post are locked through thread fastening, on the other hand, the connecting pipe and the plug-in post are arranged, so that a space is formed between the first battery core seat and the second battery core seat, a heat dissipation cavity is formed between the first battery core seat and the second battery core seat, the heat dissipation capability of the battery device is improved, the possibility of heat accumulation is effectively reduced, and the service life and the safety of the battery core body is improved, the battery device has compact structure, high stability and good heat dissipation effect, and the service life of the battery device is further prolonged.

Optionally, the end face of the connecting pipe, which is far away from the insertion column, is provided with a first mounting hole communicated with the insertion groove, the first mounting hole is a countersunk hole, the end face of the insertion column, which is close to the connecting pipe, is provided with a first threaded hole, and the threaded fastener is a countersunk bolt which is arranged in the first mounting hole in a penetrating manner and is in threaded connection with the first threaded hole.

Through adopting above-mentioned technical scheme, through countersunk head bolt threaded connection in first screw hole, realize the lock solid to connecting pipe and plug column, and then realize the fixed of first electric core seat and second electric core seat.

Optionally, the side wall of the second cell holder far away from the first cell holder protrudes to be provided with a positioning block, the battery protection board is provided with a positioning groove for the positioning block to be embedded, the end face of the second cell holder far away from the first cell holder in the installation part is provided with a second threaded hole, and the battery protection board is provided with a locking bolt in threaded connection with the second threaded hole in a penetrating manner.

Through adopting above-mentioned technical scheme, be provided with locating piece and constant head tank, realize the location to the battery protection shield, be convenient for to the installation of battery protection shield, realize battery protection shield fixed mounting on second electricity core seat through the locking bolt.

Optionally, the first heat dissipation hole communicated with the electric core through groove is formed in each of the first electric core seat and the second electric core seat side wall in a penetrating manner, and the second heat dissipation holes communicated with each other are formed between the adjacent two electric core through grooves.

Through adopting above-mentioned technical scheme, be provided with first louvre and second louvre, this end of body of electric core of being convenient for gives off of heat, further reduces the possibility that the heat gathers, helps promoting the life and the security of electric core body.

On the other hand, improve battery module's life, the second of the purpose of this application provides a battery case.

The utility model provides a battery box, includes battery device, still includes the cladding in battery device's first casing and second casing, and the connection can be dismantled to first casing and second casing, the inner wall of first casing, second casing all is provided with the limiting plate, the limiting plate is provided with a plurality ofly and distributes along the width direction of first casing and second casing, forms first spacing groove between two adjacent limiting plates, the outer wall of first electric core seat and second electric core seat all is provided with inserts the spacing floor of locating first spacing groove.

Through adopting above-mentioned technical scheme, inner wall at first casing and second casing is provided with the limiting plate, form between two adjacent limiting plates and supply spacing floor to insert the first spacing groove of establishing, when installing battery device, place this battery device in the inner chamber of first casing, and make spacing floor on first electric core seat and the second electric core seat insert the first spacing groove of locating in the first casing, effectively restrict the degree of freedom that battery device slided along the horizontal direction, cover the second casing after that, restrict the degree of freedom that battery device slided along the thickness direction of first casing, prevent that battery device from taking place the possibility of rocking in first casing and second casing, realize the guard action to battery device.

Optionally, the inside wall of first casing has seted up the second spacing groove along its thickness direction, the second spacing groove is provided with a plurality ofly and distributes along its length direction, the lateral wall protrusion of second casing is provided with and inserts the locating plate of locating the second spacing groove, and the protrusion of second spacing groove is provided with the fixture block, the joint groove that supplies the fixture block scarf joint is seted up to the locating plate, and the fixture block has the spigot surface near the one end of second casing.

Through adopting above-mentioned technical scheme, when assembling first casing and second casing, aim at the second spacing groove with the locating plate, first casing and second casing after the lock that slides, the fixture block inlay card in the joint groove to realize the connection dismantled of first casing and second casing.

Optionally, the second casing is close to the terminal surface of first casing and has seted up the locating hole, and the mounting groove that feeds through in the locating hole is seted up to the second casing, the terminal surface protrusion that the first casing is close to the second casing is provided with and inserts the reference column of locating the locating hole, spacing hole has been seted up along it radially to the reference column, and the mounting groove is provided with slides and connects in the stopper of mounting groove and forces the stopper to slide and inlay the first compression spring who locates spacing hole, the second casing is provided with the unlocking piece that control stopper internal contraction in the mounting groove in order to break away from in spacing hole.

By adopting the technical scheme, the positioning column is aligned to the alignment hole and is inserted into the positioning hole in a sliding manner, the unlocking piece controls the limiting block to retract into the mounting groove, the first compression spring is elastically deformed and has elastic potential energy, and when the limiting hole corresponds to the limiting block in position, the first compression spring forces the limiting block to slide towards the direction close to the limiting hole and be clamped and embedded in the limiting hole, so that the positioning column is effectively prevented from reversely sliding and separating from the positioning hole, and the first shell and the second shell are fixedly mounted; when first casing and second casing need be torn open, slide and break away from in the spacing groove towards keeping away from spacing hole direction through unlocking piece control stopper, can first casing and second casing demolish.

Optionally, the second casing is provided with one end and is linked together in the unlocking groove of mounting groove, and the other end in unlocking groove extends to the lateral wall of first casing, the outer wall fixedly connected with fixing base of second casing, fixing base have the rotation groove, the fixing base is provided with and rotates the roating seat of connecting in the rotation groove, unlocking piece is the connection rope of one end fixed connection in stopper one side, and the one end of connecting the rope is worn to locate in proper order in unlocking groove, fixing base and fixed connection in roating seat.

Through adopting above-mentioned technical scheme, when needs are torn open first casing and second casing, rotate the roating seat, and then the pulling unblock rope to drive the stopper and slide and break away from in spacing hole towards keeping away from spacing hole direction, it is simple quick.

Optionally, a sliding cavity is concavely formed in the outer wall of the second shell, the second shell is provided with a pedal connected to the sliding cavity in a sliding manner, a second compression spring is arranged between the pedal and the second shell, the pedal is provided with a first air diffusing pipe in a penetrating manner, one end of the first air diffusing pipe is communicated with the outer side wall of the pedal, the sliding cavity is provided with a second air diffusing pipe communicated with the inner cavity of the second shell in a penetrating manner, the first air diffusing pipe is inserted in the second air diffusing pipe in a sliding manner, the second air diffusing pipe is provided with a connecting sheet for sealing the inner hole of the second air diffusing pipe in a normal state, the connecting sheet is provided with a plurality of circumferential distribution surrounding the second air diffusing pipe, the connecting sheet is arranged in an elastic manner, and the end portion of the first air diffusing pipe abuts against the connecting sheet and can force the connecting sheet to be bent and deformed, so that the first air diffusing pipe is communicated with the second air diffusing pipe.

Through adopting above-mentioned technical scheme, under the normality, the connection piece seals the hole of second air diffuser, thereby the battery device in effective first casing and the second casing and the possibility of external environment contact, thereby reduce the possibility that battery device takes place to embroider and lose, when using the scooter, the user foot is stepped on and is applyed the effort to the running-board on the running-board, thereby make the running-board towards sliding near second casing direction, and second compression spring takes place elastic deformation, the tip butt of first air diffuser is in the connection piece, make the connection piece take place bending deformation, realize the intercommunication of first air diffuser and second air diffuser, thereby be convenient for the thermal discharge of battery device, reduce thermal accumulation, effectively improve battery device's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. inserting one end of the cell body into a cell through groove of the first cell seat, abutting the end face of the cell body against the anti-falling part, aligning a cell through groove of the second cell seat to the other end of the cell body and sleeving the end part of the cell body, and fixing the first cell seat and the second cell seat through a fixing assembly, thereby fixing the cell module, effectively improving the structural stability of the cell module, reducing the possibility that the cell module shakes and is in poor contact with a conducting sheet, reducing the maintenance cost of the battery device, and ensuring the normal use of the scooter;

2. under the normality, the connection piece seals the hole of second air diffuser, thereby the battery device in effective first casing and the second casing contacts with external environment's possibility, thereby reduce the possibility that battery device takes place to embroider, when using the scooter, the user foot is stepped on and is exerted effort to the running-board on the running-board, thereby make the running-board towards sliding near second casing direction, and second compression spring takes place elastic deformation, the tip butt of first air diffuser is in the connection piece, make the connection piece take place bending deformation, realize the intercommunication of first air diffuser and second air diffuser, thereby be convenient for battery device's thermal discharge, reduce thermal accumulation, effectively improve battery device's life.

Drawings

Fig. 1 is a schematic view of the overall structure of a battery device of a scooter in embodiment 1.

Fig. 2 is an exploded view of the battery device of the scooter according to embodiment 1.

Fig. 3 is a schematic structural view of the first electrical core print and the second electrical core print in embodiment 1.

Fig. 4 is a schematic structural view of a fixing member in embodiment 1.

Fig. 5 is a schematic structural view of a second battery cell holder and a battery protection plate in embodiment 1.

Fig. 6 is a schematic structural view of the first electrical core print and the second electrical core print in embodiment 2.

Fig. 7 is a schematic view of the structure of a battery pack according to example 3.

Fig. 8 is a schematic structural view of the first housing in embodiment 3.

Fig. 9 is a schematic structural view of the second housing in embodiment 3.

Fig. 10 is a schematic structural view of the first housing in embodiment 4.

Fig. 11 is a structural sectional view of the second housing in embodiment 4.

Fig. 12 is an enlarged partial schematic view at a of fig. 11.

Fig. 13 is a schematic structural view of the fixed base and the rotary base in embodiment 4.

Fig. 14 is a schematic structural view of the second housing in embodiment 4.

FIG. 15 is a schematic view showing the structure of a second air diffusing pipe in embodiment 4.

Description of reference numerals: 1. a first electrical core print; 11. a first conductive sheet; 2. a second die pad; 21. a second conductive sheet; 22. positioning blocks; 23. a second threaded hole; 3. a battery cell module; 31. a battery cell through groove; 32. an installation part; 33. an anti-drop part; 34. mounting a through hole; 35. a first heat dissipation hole; 36. a second heat dissipation hole; 37. a limiting rib plate; 3a, a cell body; 4. a battery protection plate; 41. positioning a groove; 42. locking the bolt; 5. a fixing assembly; 51. a connecting pipe; 52. inserting the column; 53. a first mounting hole; 54. a first threaded hole; 55. a countersunk bolt; 56. inserting grooves; 6. a first housing; 61. a first sealing flange; 62. a limiting plate; 63. a second limit groove; 64. a clamping block; 65. a positioning column; 66. a limiting hole; 7. a second housing; 71. a second sealing flange; 72. positioning a plate; 73. a clamping groove; 74. positioning holes; 75. mounting grooves; 76. a limiting block; 77. a first compression spring; 78. unlocking the groove; 79. connecting ropes; 70. mounting a concave platform; 8. a fixed seat; 81. a chute; 83. a rotating base; 84. sliding and protruding; 85. a force application part; 9. a foot pedal; 91. a sliding cavity; 92. a second compression spring; 93. a second air dispersing pipe; 94. a first air dispersing pipe; 95. and (7) connecting the sheets.

Detailed Description

The present application is described in further detail below with reference to figures 1-15.

The embodiment of the application discloses battery device of scooter.

Example 1:

referring to fig. 1 and 2, a battery device of a scooter includes a plurality of groups of battery cell modules 3, a first battery cell holder 1 and a second battery cell holder 2 respectively sleeved on two sides of the battery cell modules 3, and a battery protection board 4 disposed on the second battery cell holder 2, wherein the first battery cell holder 1 and the second battery cell holder 2 are fixedly mounted through a fixing component 5.

Referring to fig. 1 and 2, the cell module 3 includes a plurality of cell bodies 3a, and the cell bodies 3a are cylinders. First electric core print 1 and second electric core print 2 all have been seted up two at least rows along self thickness direction and have been supplied electric core body 3a tip to insert the electric core that establishes and lead to groove 31, and in this embodiment, electric core leads to groove 31 and is provided with two rows. The lateral wall that first electric core seat 1 and second electric core seat 2 deviate from each other all is provided with the anticreep portion 33 of butt in electric core body 3a terminal surface, the lateral wall that first electric core seat 1 and second electric core seat 2 deviate from each other is fixedly connected with butt in first conducting strip 11 and the second conducting strip 21 of electric core body 3a both ends electrode respectively, first conducting strip 11 and second conducting strip 21 all are connected with the nickel piece, be connected with the electric wire on the nickel piece, electric wire electric connection is in battery protection shield 4.

Referring to fig. 2 and 3, an axis connecting line of the electric core through grooves 31 on the same row is perpendicular to an axis connecting line of the electric core through grooves 31 on the same row, and mounting portions 32 are provided between the four electric core through grooves 31 between two adjacent rows and between two adjacent rows. The fixing component 5 comprises a plug column 52 protruding from the mounting part 32 on the first cell holder 1 and a connecting pipe 51 protruding from the mounting part 32 on the second cell holder 2, the connecting pipe 51, the axis direction of the plug column 52 is parallel to the axis direction of the cell body 3a, the plug column 52 slides along the axial direction of the connecting pipe 51 and is inserted in the connecting pipe 51, the connecting pipe 51 is provided with a threaded fastener screwed in the plug column 52, and a mounting through hole 34 for the connecting pipe 51 and the plug column 52 to penetrate is formed between four cell bodies 3a between two adjacent lines and between two adjacent lines.

Referring to fig. 3 and 4, an end surface of the connecting pipe 51 close to the plug column 52 is provided with a plug groove 56 for the plug column 52 to be inserted, an end surface of the connecting pipe 51 far from the plug column 52 is provided with a first mounting hole 53 communicated with the plug groove 56, and the first mounting hole 53 is a countersunk hole. The end surface of the plug column 52 near the connecting pipe 51 is provided with a first threaded hole 54, and the threaded fastener is a countersunk bolt 55 which is inserted into the first mounting hole 53 and is in threaded connection with the first threaded hole 54.

Referring to fig. 2 and 5, the positioning block 22 is provided in the protruding manner on the side wall of the second electrical core print 2 away from the first electrical core print 1, the battery protection plate 4 is provided with a positioning groove 41 for the positioning block 22 to be embedded, the end surface of the mounting portion 32 of the second electrical core print 2 away from the first electrical core print 1 is provided with a second threaded hole 23, and the battery protection plate 4 is provided with a locking bolt 42 in a threaded manner in the second threaded hole 23.

The implementation principle of the embodiment 1 is as follows: when the battery core module 3 is installed, one end of a battery core body 3a of the battery core module 3 is inserted into a battery core through groove 31 arranged in a first battery core seat 1, the end surface of the battery core body 3a abuts against an anti-falling part 33, an insertion column 52 is inserted into an installation through hole 34 arranged between four battery core bodies 3a, then a connecting pipe 51 of a second battery core seat 2 is used for installing the installation through hole 34 arranged between the four battery core bodies 3a, the insertion column 52 is sleeved in a sliding manner, the battery core through groove 31 of the second battery core seat 2 is sleeved at the end part of the battery core body 3a, and finally the connecting pipe 51 and the insertion column 52 are locked and fixed through threads; through setting up connecting pipe 51 and plug column 52 for have the interval between first electric core print 1 and the second electric core print 2, form the heat dissipation chamber between first electric core print 1 and the second electric core print 2, the heat-sinking capability of this battery device has been promoted, the possibility that the heat is gathered is effectively reduced, help promoting electric core body 3 a's life and security, make this battery device compact structure, stability is high and have good radiating effect, further improve this battery device's life.

Example 2:

referring to fig. 6, the difference between this embodiment and embodiment 1 is that the sidewalls of the first cell holder 1 and the second cell holder 2 both penetrate through and are provided with a first heat dissipation hole 35 communicated with the cell through groove 31, and a second heat dissipation hole 36 communicated with each other is provided between two adjacent cell through grooves 31.

The embodiment of the application also discloses a battery box.

Example 3:

referring to fig. 7, the battery box comprises a battery device, a first shell 6 and a second shell 7 wrapping the battery device, wherein the first shell 6 and the second shell 7 are detachably connected, and the first shell 6 and the second shell 7 are injection-molded parts. The end surfaces of the first shell 6 and the second shell 7, which are close to each other, are respectively provided with a first sealing convex edge 61 and a second sealing convex edge 71 in a protruding mode, and after the first shell 6 and the second shell 7 are assembled, the outer wall of the first sealing convex edge 61 abuts against the inner wall of the second sealing convex edge 71.

Referring to fig. 7 and 8, the bottom inner walls of the first housing 6 and the second housing 7 are fixedly connected with limiting plates 62, the limiting plates 62 are arranged in a plurality and distributed along the width direction of the first housing 6 and the second housing 7, a first limiting groove is formed between every two adjacent limiting plates 62, and the outer walls of the first core print 1 and the second core print 2 are fixedly connected with limiting ribs 37 inserted in the first limiting groove.

Referring to fig. 8 and 9, a second limiting groove 63 is formed in the inner side wall of the first housing 6 along the thickness direction thereof, the second limiting groove 63 is provided with a plurality of limiting grooves distributed along the length direction thereof, and a clamping block 64 is protruded from the groove wall of the second limiting groove 63. The side wall of the second housing 7 is convexly provided with a positioning plate 72 inserted in the second limiting groove 63, the positioning plate 72 is provided with a clamping groove 73 for the clamping block 64 to be embedded, one end of the clamping block 64 close to the second housing 7 is provided with a guiding surface, and one end of the clamping block 64 far away from the second housing 7 is an anti-falling surface. When first casing 6 and second casing 7 assemble, with locating plate 72 alignment second spacing groove 63, first casing 6 and second casing 7 slide the lock back, fixture block 64 inlay card in joint groove 73, the rethread fixing bolt carries out the lock solid with first casing 6 and second casing 7 to realize first casing 6 and second casing 7's the connection of dismantling.

The implementation principle of a battery case of the embodiment of the application is: when the battery device is installed, the battery device is placed in an inner cavity of the first shell 6, the limiting rib plates 37 on the first battery cell holder 1 and the second battery cell holder 2 are inserted into the first limiting grooves in the first shell 6, the freedom degree of sliding of the battery device along the horizontal direction is effectively limited, then the second shell 7 is covered, the positioning plate 72 is aligned to the second limiting grooves 63, after the first shell 6 and the second shell 7 are buckled in a sliding mode, the clamping blocks 64 are clamped in the clamping grooves 73, the freedom degree of sliding of the battery device along the thickness direction of the first shell 6 is limited, the possibility of shaking of the battery device in the first shell 6 and the second shell 7 is prevented, and the protection effect of the battery device is realized.

Example 4:

referring to fig. 10 and 11, the difference from embodiment 3 is that positioning pillars 65 are fixed to the end surface of the first housing 6 close to the second housing 7 in a protruding manner, specifically, four positioning pillars 65 are disposed and distributed at four top corners of the first housing 6, and the positioning pillars 65 are provided with limiting holes 66 along the radial direction thereof. The end surface of the second casing 7 close to the first casing 6 is provided with a positioning hole 74 for the positioning column 65 to be inserted, and the second casing 7 is provided with an installation groove 75 communicated with the positioning hole 74.

Referring to fig. 11 and 12, the mounting groove 75 is provided with a limiting block 76 slidably connected to the mounting groove 75 and a first compression spring 77 forcing the limiting block 76 to slidably fit in the limiting hole 66, and one end of the first compression spring 77 is fixedly connected to the limiting block 76 and the other end is fixedly connected to the inner wall of the mounting groove 75. The one end both sides that first casing 6 was kept away from to second casing 7 all have installation concave station 70, and second casing 7 is provided with control stopper 76 and contracts in mounting groove 75 in order to break away from in the unlocking piece of spacing hole 66, and second casing 7 has been seted up one end and has been linked together in the unlocking groove 78 of mounting groove 75, and the other end of unlocking groove 78 extends to installation concave station 70. Mounting concave 70 fixedly connected with fixing base 8, fixing base 8 have the rotation groove, and fixing base 8 is provided with the roating seat 83 of rotation connection in the rotation groove.

Referring to fig. 11 and 13, the inner peripheral wall of the rotating groove is provided with a sliding groove 81 extending along the circumferential direction, the sliding groove 81 is an arc-shaped groove, the two sliding grooves 81 are arranged symmetrically along the diameter of the fixed seat 8, and the outer peripheral wall of the rotating seat 83 is convexly provided with a sliding protrusion 84 connected to the sliding groove 81 in a sliding manner. Place the spliced pole (not shown in the figure) in the rotation groove in the coaxial fixedly connected with of lower extreme of roating seat 83, the piece that unlocks is the connection rope 79 of one end fixed connection in stopper 76 one side, and the other end of connecting rope 79 passes the periphery wall of unlocking groove 78 and fixing base 8 and fixed connection in the spliced pole, and roating seat 83 protrusion is provided with and supplies human hand to snatch pivoted application of force portion 85.

When the first shell 6 and the second shell 7 are installed, the positioning column 65 is aligned with the alignment hole and is inserted into the positioning hole 74 in a sliding manner, the rotating seat 83 is rotated to pull the connecting rope 79, so that the limiting block 76 is driven to be retracted into the installation groove 75, and the first compression spring 77 is elastically deformed to have elastic potential energy at the moment, when the limiting hole 66 corresponds to the limiting block 76, the first compression spring 77 forces the limiting block 76 to slide towards the direction close to the limiting hole 66 and is clamped and embedded in the limiting hole 66, so that the positioning column 65 is effectively prevented from reversely sliding and separating from the positioning hole 74, and the first shell 6 and the second shell 7 are fixedly installed; when first casing 6 and second casing 7 need be dismantled, rotate roating seat 83 pulling and connect rope 79 to drive stopper 76 and draw in mounting groove 75, can first casing 6 and second casing 7 dismantle.

Referring to fig. 11, the outer wall of the second housing 7 away from the first housing 6 is concavely provided with a sliding cavity 91, the sliding cavity 91 is located between the two mounting concave platforms 70, and the second housing 7 is provided with a pedal plate 9 connected to the sliding cavity 91 in a sliding manner along the thickness direction of the second housing 7. A second compression spring 92 is arranged between the pedal plate 9 and the second housing 7, one end of the second compression spring 92 is fixedly connected to the inner wall of the sliding cavity 91, and the other end is fixedly connected to the pedal plate 9.

Referring to fig. 11 and 14, the footrest 9 is provided with a plurality of first air-dispersing pipes 94, which are distributed along the length direction of the footrest 9, and one end of each first air-dispersing pipe 94 is communicated with the upper end surface of the footrest 9. The sliding cavity 91 is provided with a second air dispersing pipe 93 communicated with the inner cavity of the second shell 7 in a penetrating manner, the first air dispersing pipe 94 is inserted in the second air dispersing pipe 93 in a sliding manner along the axial direction, and the axial directions of the first air dispersing pipe 94 and the second air dispersing pipe 93 are parallel to the thickness direction of the second shell 7.

Referring to fig. 11 and 15, the second air diffusing pipe 93 is provided with a connecting piece 95 for normally sealing an inner hole thereof, the connecting piece 95 is provided with a plurality of connecting pieces which are distributed around the circumferential direction of the second air diffusing pipe 93, the connecting piece 95 is elastically arranged, and the connecting piece 95 can be forced to be bent and deformed when the end portion of the first air diffusing pipe 94 abuts against the connecting piece 95, so that the first air diffusing pipe 94 and the second air diffusing pipe 93 are communicated.

The implementation principle of a battery case of the embodiment of the application is: in a normal state, the connecting sheet 95 seals the inner hole of the second air diffusion pipe 93, so that the possibility that the battery devices in the first shell 6 and the second shell 7 are in contact with the external environment is effectively reduced, the possibility that the battery devices are rusted is reduced, when the scooter is used, the foot of a user steps on the pedal plate 9 to apply acting force on the pedal plate 9, the pedal plate 9 slides towards the direction close to the second shell 7, the second compression spring 92 elastically deforms, the end part of the first air diffusion pipe 94 abuts against the connecting sheet 95, the connecting sheet 95 bends and deforms, the first air diffusion pipe 94 is communicated with the second air diffusion pipe 93, the heat of the battery device is conveniently discharged, the heat accumulation is reduced, and the service life of the battery device is effectively prolonged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A battery pack, comprising: the battery pack comprises a battery device, a first shell (6) and a second shell (7) which are wrapped on the battery device, wherein the first shell (6) and the second shell (7) are detachably connected; the outer wall of the second shell (7) is concavely provided with a sliding cavity (91), the second shell (7) is provided with a pedal (9) connected with the sliding cavity (91) in a sliding mode, a second compression spring (92) is arranged between the pedal (9) and the second shell (7), the pedal (9) is provided with a first air dispersing pipe (94) in a penetrating mode, one end of the first air dispersing pipe (94) is communicated with the outer side wall of the pedal (9), the sliding cavity (91) is provided with a second air dispersing pipe (93) communicated with the inner cavity of the second shell (7) in a penetrating mode, the first air dispersing pipe (94) is inserted in the second air dispersing pipe (93) in a sliding mode, the second air dispersing pipe (93) is provided with a connecting piece (95) for sealing an inner hole of the connecting piece in a normal state, the connecting piece (95) is provided with a plurality of air dispersing pipes distributed around the circumferential direction of the second air dispersing pipe (93), the connecting piece (95) is arranged in an elastic mode, and the end portion of the first air dispersing pipe (94) is abutted against the connecting piece (95) and can force the connecting piece (95) to bend to occur when the connecting piece (95) The shape is changed in a curved way, so that the first air dispersing pipe (94) and the second air dispersing pipe (93) are communicated; the battery device comprises a plurality of groups of battery cell modules (3), a first battery cell seat (1) and a second battery cell seat (2) which are respectively sleeved on two sides of the battery cell modules (3), and a battery protection plate (4) arranged on the second battery cell seat (2), wherein the battery cell modules (3) comprise a plurality of battery cell bodies (3a), the first battery cell seat (1) and the second battery cell seat (2) are respectively provided with at least two rows of battery cell through grooves (31) for inserting the end parts of the battery cell bodies (3a), the outer side walls of the first battery cell seat (1) and the second battery cell seat (2) which deviate from each other are respectively provided with an anti-falling part (33) which is abutted against the end surface of the battery cell body (3a), the first battery cell seat (1) and the second battery cell seat (2) are fixedly installed through a fixing component (5), and the outer side walls of the first battery cell seat (1) and the second battery cell seat (2) which deviate from each other are respectively provided with a first conductive sheet (11) and a second conductive sheet (21) which are abutted against the electrodes at two ends of the battery cell body (3a), the first conducting strip (11) and the second conducting strip (21) are both electrically connected to the battery protection plate (4).

2. A battery pack as claimed in claim 1, wherein: the cell body (3a) is a cylinder, the axis connecting line of the cell through grooves (31) on the same row is vertical to the axis connecting line of the cell through grooves (31) on the same row, mounting parts (32) are arranged between the four cell through grooves (31) between two adjacent rows and between two adjacent rows, the fixing component (5) comprises a plug column (52) which is convexly arranged on the mounting part (32) of the first electric core seat (1) and a connecting pipe (51) which is convexly arranged on the mounting part (32) of the second electric core seat (2), the end surface of the connecting pipe (51) close to the plug-in post (52) is provided with a plug-in groove (56) for the plug-in post (52) to be plugged in, the connecting pipe (51) is provided with a threaded fastener in a threaded connection with the plug-in column (52), and a mounting through hole (34) for the connecting pipe (51) and the plug-in column (52) to penetrate is arranged between the four cell bodies (3a) between two adjacent rows and between two adjacent columns.

3. A battery pack as claimed in claim 2, wherein: the end face, far away from the splicing column (52), of the connecting pipe (51) is provided with a first mounting hole (53) communicated with the splicing groove (56), the first mounting hole (53) is a countersunk hole, the end face, close to the connecting pipe (51), of the splicing column (52) is provided with a first threaded hole (54), and the threaded fastener is a countersunk bolt (55) penetrating through the first mounting hole (53) and connected to the first threaded hole (54) in a threaded manner.

4. A battery pack as claimed in claim 2, wherein: the side wall of the second electric core seat (2) far away from the first electric core seat (1) is convexly provided with a positioning block (22), the battery protection plate (4) is provided with a positioning groove (41) for the positioning block (22) to be embedded, the end face of the second electric core seat (2) located at the installation part (32) far away from the first electric core seat (1) is provided with a second threaded hole (23), and the battery protection plate (4) is provided with a locking bolt (42) in a threaded connection with the second threaded hole (23) in a penetrating mode.

5. A battery pack as claimed in claim 1, wherein: the side walls of the first battery cell holder (1) and the second battery cell holder (2) are all penetrated through and provided with first heat dissipation holes (35) communicated with the battery cell through grooves (31), and second heat dissipation holes (36) communicated with each other are formed between the two adjacent battery cell through grooves (31).

6. A battery pack as claimed in claim 1, wherein: the inner walls of the first shell (6) and the second shell (7) are provided with limiting plates (62), the limiting plates (62) are provided with a plurality of width direction distributions along the first shell (6) and the second shell (7), a first limiting groove is formed between every two adjacent limiting plates (62), and limiting rib plates (37) inserted into the first limiting grooves are arranged on the outer walls of the first electric core holder (1) and the second electric core holder (2).

7. A battery pack as claimed in claim 1, wherein: the utility model discloses a clamping device for the automobile seat, including first casing (6), second spacing groove (63) have been seted up along its thickness direction to the inside wall of first casing (6), and second spacing groove (63) protrusion is provided with fixture block (64), second spacing groove (63) are provided with a plurality ofly and distribute along its length direction, the lateral wall protrusion of second casing (7) is provided with inserts locating plate (72) of locating second spacing groove (63), joint groove (73) that supply fixture block (64) scarf joint are seted up in locating plate (72), and the one end that fixture block (64) are close to second casing (7) has the spigot surface.

8. A battery pack as claimed in claim 1, wherein: the end face of second casing (7) near first casing (6) has seted up locating hole (74), and second casing (7) have seted up and have linked together mounting groove (75) in locating hole (74), the terminal surface protrusion that first casing (6) are close to second casing (7) is provided with and inserts reference column (65) of locating hole (74), spacing hole (66) have radially been seted up along it to reference column (65), and mounting groove (75) are provided with slide and connect in stopper (76) of mounting groove (75) and force stopper (76) to slide and inlay first compression spring (77) of locating spacing hole (66), second casing (7) are provided with control stopper (76) and retract in mounting groove (75) in order to break away from the unlocking piece in spacing hole (66).

9. A battery pack as claimed in claim 8, wherein: one end intercommunication in the unlocking groove (78) of mounting groove (75) is seted up in second casing (7), and the other end of unlocking groove (78) extends to the lateral wall of first casing (6), outer wall fixedly connected with fixing base (8) of second casing (7), and fixing base (8) have the rotation groove, fixing base (8) are provided with to rotate and connect in roating seat (83) that rotate the groove, the unlocking piece is one end fixed connection in connection rope (79) of stopper (76) one side, and the one end of connecting rope (79) is worn to locate unlocking groove (78), fixing base (8) and fixed connection in roating seat (83) in proper order.