CN214176208U - Battery pack power supply interface connecting device - Google Patents

Abstract

The application relates to a battery pack power supply interface connection device, relates to the field of battery packs, and the battery pack power supply interface connection device comprises a PCB (printed circuit board) connected to a battery pack body and a first plug spring terminal inserted on the PCB, wherein the first plug spring terminal comprises a first pin, a second pin and a first fixed pin. The PCB board is provided with a first inserting groove for inserting the second pin and a first fixing groove for inserting the first fixing pin. The first pin is integrally connected with a conductive connecting plate, and the PCB is provided with a second inserting groove for inserting one end of the conductive connecting plate far away from the first pin. This application has the effect that reduces through-flow internal resistance.

Description

Battery pack power supply interface connecting device

Technical Field

The application relates to the field of battery packs, in particular to a battery pack power supply interface connecting device.

Background

The battery pack may power any cordless electrical device, particularly cordless power tools in the power tool field. In the process of connecting the battery pack to the power supply device, the battery pack is usually directly connected to the power supply device through contact pieces provided on the battery pack.

Referring to fig. 1, in the related art, a contact piece 12 is connected to a battery pack body 1 through a jumper 13, and then is inserted into an external power supply device through a first insertion spring terminal 3 inserted into the contact piece 12, so that current in the battery pack is conducted into the power supply device.

In view of the above-mentioned related technologies, the inventor believes that, since the PCB board and the battery pack body are connected by the jumper wire, the jumper wire is a connecting wire made of metal, and the PCB board and the battery pack body are connected by the jumper wire, the through-flow internal resistance is large in the transmission process, and there is room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to reduce through-flow internal resistance, the application provides a battery pack power supply interface connection device.

The application provides a battery package power supply interface connection device adopts following technical scheme:

a battery pack power supply interface connecting device comprises a PCB connected to a battery pack body and a first plug spring terminal plugged on the PCB, wherein the first plug spring terminal comprises a first pin, a second pin and a first fixing pin; the PCB is provided with a first plug-in groove for the plug-in of the second pin and a first fixing groove for the plug-in of the first fixing pin; the PCB comprises a PCB board and a first pin, wherein the first pin is integrally connected with a conductive connecting plate, and the PCB board is provided with a second inserting groove for inserting one end, far away from the first pin, of the conductive connecting plate.

Through adopting above-mentioned technical scheme, an organic whole is connected with electrically conductive connecting plate on the first pin on first plug spring terminal, is connected first plug spring terminal and PCB board through electrically conductive connecting plate, and the electric current on the battery package passes through electrically conductive connecting plate and transmits on first plug spring terminal, reduces transmission loss, improves transmission efficiency.

Optionally, the conductive connecting plate includes a first connecting section, a second connecting section, a third connecting section, a fourth connecting section and a fifth connecting section, which are connected in sequence; the first connecting section, the second connecting section, the third connecting section and the fourth connecting section are sequentially laid on the PCB and are sequentially vertical to each other; one end, far away from the fourth connecting section, of the fifth connecting section is inserted into the second inserting groove, and the fifth connecting section is perpendicular to the PCB; the first connecting section, the second connecting section and the third connecting section enclose each other to form a first avoidance area, and the third connecting section and the fourth connecting section enclose each other to form a second avoidance area.

Through adopting above-mentioned technical scheme, fall into the first linkage segment that connects gradually with the electrically conductive connecting plate, the second linkage segment, the third linkage segment, fourth linkage segment and fifth linkage segment, through first linkage segment, the second linkage segment, the third linkage segment encloses each other and closes formation first dodge the region, enclose each other through third linkage segment and fourth linkage segment and form the second and dodge the region, be convenient for dodge the structure that has existed on the PCB board, reduce the cross probability of taking place for the existing structure on electrically conductive connecting plate and the PCB board, improve structural strength.

Optionally, the first spring inserting terminal further includes a first conductive piece, a second conductive piece and a connecting piece, the first conductive piece is connected with the second conductive piece through the connecting piece, the first conductive piece and the second conductive piece are symmetrically arranged, the first pin is arranged at one end of the first conductive piece close to the PCB, the second pin is arranged at one end of the second conductive piece close to the PCB, and the first fixing pin is arranged at one end of the connecting piece close to the PCB.

Through adopting above-mentioned technical scheme, be connected first conducting strip and second conducting strip through the connection piece, first conducting strip and second conducting strip are used for supplying outside plug connector to be connected with first plug spring terminal, set first conducting strip and second conducting strip to the symmetric distribution, are convenient for peg graft outside plug connector, improve the stability of structure. The first pin, the second pin and the first fixed pin are respectively connected to one end, close to the PCB, of the first conducting strip, the second conducting strip and the connecting piece, so that the first inserting spring terminal and the PCB are conveniently connected, and the stability of the structure is improved.

Optionally, a second spring inserting terminal is arranged on one side of the PCB, which is far away from the first spring inserting terminal, the second spring inserting terminal includes a third pin, a fourth pin and a second fixing pin, and a third inserting groove for inserting the fourth pin and a second fixing groove for inserting the second fixing pin are formed in the PCB; a sixth connecting section is arranged at one end, close to the PCB, of the third pin, a seventh connecting section is arranged at one end, far away from the third pin, of the sixth connecting section, and a fourth inserting groove for inserting the seventh connecting section is formed in the PCB.

Through adopting above-mentioned technical scheme, the one side of keeping away from first plug spring terminal on the PCB board is provided with the second plug spring terminal, has connected gradually sixth linkage segment and seventh linkage segment on the second plug spring terminal to be connected third pin and PCB board through sixth linkage segment and seventh linkage segment, be convenient for carry out the transmission of electric current to the second plug spring terminal.

Optionally, the second spring inserting terminal further includes a third conductive plate, a fourth conductive plate and a fixing plate for connecting a power supply device, the third conductive plate and the fourth conductive plate are symmetrically arranged, the third pin is disposed at one end of the third conductive plate close to the PCB, the fourth pin is disposed at one end of the fourth conductive plate close to the PCB, and the second fixing pin is disposed at one end of the fixing plate close to the PCB.

Through adopting above-mentioned technical scheme, be connected third conducting strip and fourth conducting strip through the stationary blade, third conducting strip and fourth conducting strip are used for supplying outside plug connector to be connected with the second plug spring terminal, set third conducting strip and fourth conducting strip to the symmetric distribution, are convenient for peg graft outside plug connector, improve the stability of structure. Connect third pin, fourth pin and second fixed foot respectively in the one end that third conducting strip, fourth conducting strip and stationary blade are close to the PCB board, be convenient for be connected second plug spring terminal and PCB board, improve the stability of structure.

Optionally, an insert piece group is disposed between the first spring inserting terminal and the second spring inserting terminal, where the insert piece group includes a third spring inserting terminal and a fourth spring inserting terminal, the third spring inserting terminal includes a fifth conducting strip, a sixth conducting strip, a first fixing plate and a fifth pin, the fourth spring inserting terminal includes a seventh conducting strip, an eighth conducting strip, a second fixing plate and a sixth pin, the fourth spring inserting terminal is located at an end of the third spring inserting terminal close to the PCB, and a surface of the fifth conducting strip away from the first fixing plate and a surface of the seventh conducting strip away from the second fixing plate are located on the same horizontal plane; the substrate is provided with a fifth insertion groove for the insertion of the fifth pin, and the substrate is provided with a sixth insertion groove for the insertion of the sixth pin.

Through adopting above-mentioned technical scheme, be provided with the grafting subassembly of constituteing by third plug spring terminal and fourth plug spring terminal between first plug spring terminal and second plug spring terminal, thereby third plug spring terminal is connected with the PCB board through pegging graft the fifth pin in fifth inserting groove, thereby fourth plug spring terminal is connected with the PCB board through pegging graft the sixth pin in sixth inserting groove. The stability of external plug connector grafting is further improved through third plug spring terminal and fourth plug spring terminal, improves structural strength.

Optionally, a baffle plate for surrounding the first plug spring terminal, the second plug spring terminal, the third plug spring terminal and the fourth plug spring terminal is arranged on the PCB, a partition plate for dividing the third plug spring terminal and the fourth plug spring terminal is arranged on the baffle plate, a mounting seat for mounting the third plug spring terminal is arranged on the baffle plate, and a mounting hole for mounting the third plug spring terminal is formed in the baffle plate.

Through adopting above-mentioned technical scheme, be provided with the baffle that is used for encircleing first inserting spring terminal, second inserting spring terminal, third inserting spring terminal and fourth inserting spring terminal on the PCB board, be provided with the mount pad that supplies the installation of third inserting spring terminal on the baffle, and set up the mounting hole that supplies the installation of third inserting spring terminal on the baffle. Through being provided with the baffle, on the one hand be convenient for to the installation and fixed of third plug spring terminal, on the other hand be convenient for protect first plug spring terminal, second plug spring terminal, third plug spring terminal and fourth plug spring terminal, reduce the probability that first plug spring terminal, second plug spring terminal, third plug spring terminal and fourth plug spring terminal are collided in the use, improve the stability of structure.

Optionally, a positioning column is arranged on the baffle, and a through hole for the positioning column to penetrate is formed in the PCB.

Through adopting above-mentioned technical scheme, be provided with the reference column on the baffle, set up the hole of wearing to establish that supplies the reference column to wear to establish on the PCB board, through wearing to locate in the hole with the reference column to be convenient for to the location and the fixed of baffle installation in-process, improve the convenience of operation.

Optionally, the PCB board is provided with a connecting hole for connecting the battery pack body.

Through adopting above-mentioned technical scheme, offer the connecting hole that supplies this body coupling of battery package on the base plate, in the in-process of being connected battery package body and PCB board, peg graft the connecting piece that is used for connecting that sets up on the battery package body in the connecting hole on the PCB board to connect battery package body and PCB board, improve the stability of structure.

Optionally, an indication groove for indicating the positive and negative electrodes is formed on the PCB.

By adopting the technical scheme, the indication grooves for indicating the positive and negative electrodes are formed in the PCB, and a user can distinguish the positive and negative electrodes by observing the indication grooves formed in the PCB in the process of connecting the battery pack body with the PCB, so that the probability of short circuit caused by reverse connection of the positive and negative electrodes in the connection process is reduced.

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

1. the first inserting spring terminal is connected with the PCB through the conductive connecting plate, so that current on the PCB is directly transmitted to the first inserting spring terminal, and then the current is transmitted to the external connecting piece from the first inserting spring terminal, and therefore the through-flow internal resistance is reduced, and the transmission efficiency is improved;

2. the PCB is provided with a baffle plate for surrounding the first plug spring terminal, the second plug spring terminal, the third plug spring terminal and the fourth plug spring terminal, so that the first plug spring terminal, the second plug spring terminal, the third plug spring terminal and the fourth plug spring terminal are convenient to install and fix on one hand, and the first plug spring terminal, the second plug spring terminal, the third plug spring terminal and the fourth plug spring terminal are convenient to protect on the other hand, and the probability of collision between the first plug spring terminal, the second plug spring terminal, the third plug spring terminal and the fourth plug spring terminal and foreign objects in the use process is reduced;

and 3, the PCB is provided with indicating grooves for indicating the positive and negative electrodes, and a user can distinguish the positive and negative electrodes by observing the indicating grooves formed in the PCB in the use process, so that the probability of short circuit caused by the reverse connection of the positive and negative electrodes in the process of connecting the battery pack body and the PCB is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a power interface connection device for a battery pack according to the related art.

Fig. 2 is a schematic structural diagram of a battery pack power interface connection device according to an embodiment of the present application.

Fig. 3 is an exploded view of a first springbar tube and an electrically conductive connecting plate according to an embodiment of the present application.

Fig. 4 is an exploded view of a second plug spring terminal according to an embodiment of the present invention.

Fig. 5 is an exploded view of a plug assembly according to an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a baffle plate according to an embodiment of the present application.

Description of reference numerals: 1. a battery pack body; 11. a connecting member; 12. a contact piece; 13. a jumper wire; 2. a PCB board; 20. connecting holes; 21. an indication groove; 22. a first insertion groove; 23. a first fixing groove; 24. a second insertion groove; 25. a third insertion groove; 26. a second fixing groove; 27. a fourth plug groove; 28. a fifth inserting groove; 29. a sixth plug groove; 3. a first plug spring terminal; 31. a first pin; 32. a second pin; 33. a first fixing leg; 34. a first conductive sheet; 341. a first groove; 35. a second conductive sheet; 36. connecting sheets; 4. a conductive connection plate; 41. a first connection section; 42. a second connection section; 43. a third connection section; 44. a fourth connection section; 45. a fifth connection section; 46. a first avoidance region; 47. a second avoidance region; 51. a first rounded corner; 52. a second rounded corner; 53. a third fillet; 54. a fourth fillet; 55. a fifth fillet; 56. a sixth fillet; 57. a seventh fillet; 6. a second plug spring terminal; 61. a third pin; 62. a fourth pin; 63. a second fixing leg; 64. a third conductive sheet; 641. a second groove; 65. a fourth conductive sheet; 66. a fixing sheet; 71. a sixth connecting section; 72. a seventh connection section; 8. a plug-in component group; 81. a third plug spring terminal; 811. a fifth conductive sheet; 8111. a third groove; 812. a sixth conductive sheet; 813. a first fixing plate; 814. a fifth pin; 82. a fourth plug spring terminal; 821. a seventh conductive sheet; 8211. a fourth groove; 822. an eighth conductive sheet; 823. a second fixing plate; 824. a sixth pin; 9. a baffle plate; 91. a positioning column; 92. perforating holes; 93. a partition plate; 931. a transverse plate; 932. a vertical plate; 94. a mounting seat; 95. mounting holes; 96. a limiting block; 97. a first mounting cavity; 971. a first mounting bracket; 98. a second mounting cavity; 981. a second mounting bracket.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses a battery pack power supply interface connecting device. Referring to fig. 2, a power interface connection device for a battery pack includes a battery pack body 1 and a PCB 2 connected to the battery pack body 1. One end of the battery pack body 1 close to the PCB 2 is integrally connected with a connecting piece 11, and the connecting piece 11 is used for connecting the battery pack body 1 and the PCB 2. The PCB 2 is formed with four connecting holes 20 for the connectors 11 to be inserted, in this embodiment of the present invention, the connecting holes 20 are formed. When the battery pack body 1 is connected with the PCB 2, the connecting member 11 is inserted into the connecting hole 20 and then fixed by welding or the like.

Referring to fig. 2, the indication grooves 21 for indicating the positive and negative electrodes are formed in the PCB 2, and when a user connects the PCB 2 with the battery pack body 1, the indication grooves 21 on the PCB 2 are observed to distinguish the positive and negative electrodes during connection, so that the user can conveniently connect the PCB 2 with the battery pack body 1, the probability of short circuit caused by the reverse connection of the positive and negative electrodes during connection is reduced, and the convenience and safety of operation are improved.

Referring to fig. 3, the PCB 2 is plugged with a first plug spring terminal 3, and the first plug spring terminal 3 includes a first pin 31, a second pin 32, a first fixing pin 33, a first conductive sheet 34, a second conductive sheet 35, and a connecting sheet 36. The first conductive sheet 34 and the second conductive sheet 35 both have a certain elastic range, and the first conductive sheet 34 and the second conductive sheet 35 may be made of copper. The first conductive sheet 34 and the second conductive sheet 35 are connected by a connecting sheet 36, and the first conductive sheet 34 and the second conductive sheet 35 are symmetrically arranged about the connecting sheet 36. The end of the first conducting strip 34 away from the connecting strip 36 and the end of the second conducting strip 35 away from the connecting strip 36 are both provided with a first groove 341, and the end of the first conducting strip 34 away from the connecting strip 36 and the end of the second conducting strip 35 away from the connecting strip 36 are mutually abutted to each other for the external plug connector to be plugged.

Referring to fig. 3, the first pin 31 is integrally connected to one end of the first conductive plate 34 close to the PCB 2, the second pin 32 is integrally connected to one end of the second conductive plate 35 close to the PCB 2, and the first fixing pin 33 is integrally connected to one end of the connecting plate 36 close to the PCB 2. The PCB 2 is formed with a first insertion groove 22 for inserting the second pin 32 and a first fixing groove 23 for inserting the first fixing pin 33.

Referring to fig. 3, one end of the first pin 31 close to the PCB 2 is integrally connected with a conductive connecting plate 4, and the PCB 2 is provided with a second inserting groove 24 for inserting one end of the conductive connecting plate 4 far away from the first pin 31. The conductive connecting plate 4 sequentially comprises a first connecting section 41, a second connecting section 42, a third connecting section 43, a fourth connecting section 44 and a fifth connecting section 45, the first connecting section 41, the second connecting section 42, the third connecting section 43, the fourth connecting section 44 is sequentially paved on the PCB 2 and sequentially vertical to each other, the fifth connecting section 45 is mutually vertical to the PCB 2, one end of the fifth connecting section 45 is connected to one end, far away from the third connecting section 43, of the fourth connecting section 44, and one end, far away from the fourth connecting section 44, of the fifth connecting section 45 is inserted into the second inserting groove 24.

Referring to fig. 3, the first connecting section 41, the second connecting section 42 and the third connecting section 43 are enclosed to form a first avoiding region 46, the third connecting section 43 and the fourth connecting section 44 are enclosed to form a second avoiding region 47, and the first avoiding region 46 and the second avoiding region 47 are arranged, so that elements existing on the PCB 2 are avoided, the probability of intersection when the conductive connecting plate 4 is connected with the PCB 2 is reduced, the convenience of connection is improved, and the structural strength is improved.

Referring to fig. 3, a first fillet 51 is provided at a junction of the first pin 31 and the first connection section 41, a second fillet 52 is provided at a junction of the first connection section 41 and the second connection section 42, a third fillet 53 is provided at a junction of the second connection section 42 and the third connection section 43, a fourth fillet 54 is provided at a junction of the third connection section 43 and the fourth connection section 44, and a fifth fillet 55 is provided at a junction of the fourth connection section 44 and the fifth connection section 45. Through the setting of first fillet 51, second fillet 52, third fillet 53, fourth fillet 54 and fifth fillet 55, reduce the sharp-pointed degree of being connected between each linkage segment to reduce the probability that the user was injured by mistake in the use.

Referring to fig. 4, a second plug spring terminal 6 is inserted into a side of the PCB 2 away from the first plug spring terminal 3, and the second plug spring terminal 6 includes a third pin 61, a fourth pin 62, a second fixing pin 63, a third conductive plate 64, a fourth conductive plate 65 and a fixing plate 66. The third conductive plate 64 and the fourth conductive plate 65 have a certain elastic range, and the third conductive plate 64 and the fourth conductive plate 65 may be made of copper. The third conductive plate 64 and the fourth conductive plate 65 are connected by a fixing plate 66, and the third conductive plate 64 and the fourth conductive plate 65 are symmetrically arranged with respect to the fixing plate 66. The end of the third conductive plate 64 far from the fixing plate 66 and the end of the fourth conductive plate 65 far from the fixing plate 66 are both provided with a second groove 641, and the end of the third conductive plate 64 far from the fixing plate 66 and the end of the fourth conductive plate 65 far from the fixing plate 66 are mutually abutted to each other for the external plug connector to be plugged.

Referring to fig. 4, the third pin 61 is integrally connected to an end of the third conductive plate 64 close to the PCB 2, the fourth pin 62 is integrally connected to an end of the fourth conductive plate 65 close to the PCB 2, and the second fixing pin 63 is integrally connected to an end of the fixing plate 66 close to the PCB 2. The PCB 2 is formed with a third insertion groove 25 for inserting the fourth pin 62 and a second fixing groove 26 for inserting the second fixing pin 63.

Referring to fig. 4, one end of the third pin 61 close to the PCB 2 is integrally connected with a sixth connection segment 71 in sequence, one end of the sixth connection segment 71 far from the third pin 61 is integrally connected with a seventh connection segment 72, and the PCB 2 is provided with a fourth insertion groove 27 for the seventh connection segment 72 to be inserted. A sixth fillet 56 is arranged at the joint of the third pin 61 and the sixth connecting section 71, and a seventh fillet 57 is arranged at the joint of the sixth connecting section 71 and the seventh connecting section 72. Through the setting of sixth fillet 56 and seventh fillet 57, reduce the acuteness of connecting between each linkage segment to reduce the probability that the user is injured by mistake in the use.

Referring to fig. 5, plug set 8 is provided between first plug spring terminal 3 and second plug spring terminal 6, and plug set 8 includes third plug spring terminal 81 and fourth plug spring terminal 82. In the embodiment of the present invention, three third socket spring terminals 81 are provided and are sequentially and uniformly arranged between the first socket spring terminal 3 and the second socket spring terminal 6. The third springing terminal 81 includes a fifth conductive plate 811, a sixth conductive plate 812, a first fixing plate 813 and a fifth pin 814, wherein the fifth conductive plate 811 and the sixth conductive plate 812 have a certain elastic range, and the fifth conductive plate 811 and the sixth conductive plate 812 may be made of copper. The fifth conductive plate 811 and the sixth conductive plate 812 are connected by the first fixing plate 813, and the fifth conductive plate 811 and the sixth conductive plate 812 are symmetrically disposed about the first fixing plate 813. A third groove 8111 is formed in both the end of the fifth conductive plate 811 far away from the first fixing plate 813 and the end of the sixth conductive plate 812 far away from the first fixing plate 813, and the end of the fifth conductive plate 811 far away from the first fixing plate 813 is mutually abutted with the end of the sixth conductive plate 812 far away from the first fixing plate 813 for the external plug connector to be plugged. In the embodiment of the present invention, two fifth pins 814 are disposed and symmetrically disposed about the first fixing plate 813, and the PCB 2 is provided with a fifth inserting groove 28 for inserting the fifth pins 814.

Referring to fig. 5, the fourth spring inserting terminal 82 includes a seventh conductive plate 821, an eighth conductive plate 822, a second fixing plate 823 and a sixth pin 824, the seventh conductive plate 821 and the eighth conductive plate 822 both have a certain elastic range, and the seventh conductive plate 821 and the eighth conductive plate 822 may be made of copper. The seventh conductive plate 821 and the eighth conductive plate 822 are connected by a second fixing plate 823, and the seventh conductive plate 821 and the eighth conductive plate 822 are symmetrically disposed with respect to the second fixing plate 823. The end of the seventh conducting strip 821 far from the second fixing plate 823 and the end of the eighth conducting strip 822 far from the second fixing plate 823 are both provided with a fourth groove 8211, and the end of the seventh conducting strip 821 far from the second fixing plate 823 and the end of the eighth conducting strip 822 far from the second fixing plate 823 are mutually abutted to each other for the external connector to be plugged. In the embodiment of the present invention, two sixth pins 824 are disposed, and are symmetrically disposed about the second fixing plate 823, and the PCB 2 is provided with a sixth inserting groove 29 for inserting the sixth pins 824.

Referring to fig. 5, the fourth plug spring terminal 82 is located below the third plug spring terminal 81, and the fourth plug spring terminal 82 corresponds to the third plug spring terminal 81 one by one, and in the embodiment of the present invention, is located below in the direction toward the battery pack body 1. The surface of the fifth conductive plate 811 away from the first fixing plate 813 is located on the same horizontal plane as the surface of the seventh conductive plate 821 away from the second fixing plate 823.

Referring to fig. 5, a baffle plate 9 for surrounding the first, second, third and fourth plug spring terminals 3, 6, 81 and 82 is inserted into the PCB 2. Baffle 9 is close to PCB board 2 one end an organic whole and is connected with reference column 91, has seted up on PCB board 2 and has supplied reference column 91 to wear to establish hole 92, and at the in-process of installing baffle 9, through wearing to locate reference column 91 in wearing to establish hole 92, fix through modes such as welding again, is convenient for install baffle 9.

Referring to fig. 5 and 6, the shutter 9 includes a partition plate 93 for partitioning the third plug spring terminal 81 and the fourth plug spring terminal 82, and the partition plate 93 is integrally connected to the shutter 9. The partition 93 includes a horizontal plate 931 and a vertical plate 932, the horizontal plate 931 is integrally connected to the vertical plate 932, the horizontal plate 931 is parallel to the PCB 2, and the vertical plate 932 is perpendicular to the PCB 2. Baffle 9 still includes the mount pad 94 that supplies third plug spring terminal 81 to install, and the one side that PCB board 2 was kept away from to mount pad 94 and the one side that first fixed plate 813 is close to PCB board 2 abut each other, offers the mounting hole 95 that supplies third plug spring terminal 81 to install on baffle 9, and third plug spring terminal 81 is through wearing to locate mounting hole 95 and first fixed plate 813 and mount pad 94 each other with fifth pin 814 to erect third plug spring terminal 81 on baffle 9.

Referring to fig. 5 and 6, the blocking plate 9 further includes a stopper 96 for limiting the fourth spring insertion terminal 82, and the stopper 96 is integrally connected to one end of the vertical plate 932 close to the fourth spring insertion terminal 82. The limiting block 96 is sleeved with the fourth plug spring terminal 82, so that the probability of shaking of the fourth plug spring terminal 82 is reduced, and the stability of the structure is improved.

Referring to fig. 5 and 6, a first mounting cavity 97 for mounting the first plug spring terminal 3 is formed in the baffle plate 9, a first mounting rack 971 for erecting the first plug spring terminal 3 is further integrally connected to the baffle plate 9, and the first mounting rack 971 is located in the first mounting cavity 97. The one side that PCB board 2 was kept away from to first mounting bracket 971 and the one side that first conducting strip 34 is close to PCB board 2 butt each other, and the one side that PCB board 2 was kept away from to first mounting bracket 971 and the one side that first conducting strip 35 is close to PCB board 2 butt each other.

Referring to fig. 5 and 6, a second mounting cavity 98 for mounting the second plug spring terminal 6 is formed in the baffle plate 9, a second mounting bracket 981 for mounting the second plug spring terminal 6 is further integrally connected to the baffle plate 9, and the second mounting bracket 981 is located in the second mounting cavity 98. The face of the second mounting bracket 981 far from the PCB 2 and the face of the third conductive plate 64 near the PCB 2 are abutted to each other, and the face of the second mounting bracket 981 far from the PCB 2 and the face of the fourth conductive plate 65 near the PCB 2 are abutted to each other.

Referring to fig. 5 and 6, the baffle 9 is used to mount and limit the first, second, third and fourth plug spring terminals 3, 6, 81 and 82, so that the first, second, third and fourth plug spring terminals 3, 6, 81 and 82 are stably mounted, and the baffle 9 surrounds the first, second, third and fourth plug spring terminals 3, 6, 81 and 82, so that the probability of collision between foreign objects and the first, second, third and fourth plug spring terminals 3, 6, 81 and 82 during use is reduced, and safety and stability during use are improved.

The implementation principle of the battery pack power supply interface connection device in the embodiment of the application is as follows: the first inserting spring terminal 3 is connected with the PCB 2 through the conductive connecting plate 4, and the second inserting spring terminal 6, the third inserting spring terminal 81 and the fourth inserting spring terminal 82 are inserted and fixedly connected to the PCB 2. The current on the battery pack body 1 is transmitted to the first plug spring terminal 3, the second plug spring terminal 6, the third plug spring terminal 81 and the fourth plug spring terminal 82 through the PCB 2, and the external plug connector is clamped by the first conductive sheet 34, the second conductive sheet 35, the third conductive sheet 64, the fourth conductive sheet 65, the fifth conductive sheet 811, the sixth conductive sheet 812, the seventh conductive sheet 821 and the eighth conductive sheet 822 in a plugging manner, so that the current is transmitted to the external plug connector, and power supply is realized.

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 (10)

1. The utility model provides a battery package power supply interface connection device, including connect PCB board (2) on battery package body (1) with peg graft in first plug spring terminal (3) on PCB board (2), its characterized in that: the first plug spring terminal (3) comprises a first pin (31), a second pin (32) and a first fixing pin (33); the PCB (2) is provided with a first plug-in groove (22) for the plug-in of the second pin (32) and a first fixing groove (23) for the plug-in of the first fixing pin (33); the PCB is characterized in that the first pin (31) is integrally connected with a conductive connecting plate (4), and the PCB (2) is provided with a second inserting groove (24) for inserting one end, far away from the first pin (31), of the conductive connecting plate (4).

2. The battery pack power interface connection of claim 1, wherein: the conductive connecting plate (4) comprises a first connecting section (41), a second connecting section (42), a third connecting section (43), a fourth connecting section (44) and a fifth connecting section (45) which are connected in sequence; the first connecting section (41), the second connecting section (42), the third connecting section (43) and the fourth connecting section (44) are sequentially laid on the PCB (2) and are sequentially vertical to each other;

one end, far away from the fourth connecting section (44), of the fifth connecting section (45) is inserted into the second inserting groove (24), and the fifth connecting section (45) is perpendicular to the PCB (2);

the first connecting section (41), the second connecting section (42) and the third connecting section (43) are mutually enclosed to form a first avoiding region (46), and the third connecting section (43) and the fourth connecting section (44) are mutually enclosed to form a second avoiding region (47).

3. The battery pack power interface connection of claim 1, wherein: first inserting spring terminal (3) is still including first conducting strip (34), second conducting strip (35) and connection piece (36), first conducting strip (34) with second conducting strip (35) pass through connection piece (36) are connected, first conducting strip (34) with second conducting strip (35) symmetry sets up, first pin (31) set up in first conducting strip (34) are close to the one end of PCB board (2), second pin (32) set up in second conducting strip (35) are close to the one end of PCB board (2), first fixed foot (33) set up in connection piece (36) are close to the one end of PCB board (2).

4. The battery pack power interface connection of claim 1, wherein: a second inserting spring terminal (6) is arranged on one side, far away from the first inserting spring terminal (3), of the PCB (2), the second inserting spring terminal (6) comprises a third pin (61), a fourth pin (62) and a second fixing pin (63), and a third inserting groove (25) for inserting the fourth pin (62) and a second fixing groove (26) for inserting the second fixing pin (63) are formed in the PCB (2); a sixth connecting section (71) is arranged at one end, close to the PCB (2), of the third pin (61), a seventh connecting section (72) is arranged at one end, far away from the third pin (61), of the sixth connecting section (71), and a fourth inserting groove (27) for inserting the seventh connecting section (72) is formed in the PCB (2).

5. The battery pack power interface connection of claim 4, wherein: second plug spring terminal (6) is still including third conducting strip (64), fourth conducting strip (65) and stationary blade (66) that are used for connecting power supply unit, third conducting strip (64) with fourth conducting strip (65) symmetry sets up, third pin (61) set up in third conducting strip (64) are close to the one end of PCB board (2), fourth pin (62) set up in fourth conducting strip (65) are close to the one end of PCB board (2), the fixed foot of second (63) set up in stationary blade (66) are close to the one end of PCB board (2).

6. The battery pack power interface connection of claim 4, wherein: an inserting piece group (8) is arranged between the first inserting spring terminal (3) and the second inserting spring terminal (6), the plug group (8) comprises a third plug spring terminal (81) and a fourth plug spring terminal (82), the third reed inserting terminal (81) comprises a fifth conducting plate (811), a sixth conducting plate (812), a first fixing plate (813) and a fifth pin (814), the fourth reed inserting terminal (82) comprises a seventh conducting strip (821), an eighth conducting strip (822), a second fixing plate (823) and a sixth pin (824), the fourth plug spring terminal (82) is positioned at one end of the third plug spring terminal (81) close to the PCB (2), one surface of the fifth conducting plate (811) far away from the first fixing plate (813) and one surface of the seventh conducting plate (821) far away from the second fixing plate (823) are positioned on the same horizontal plane; the PCB (2) is provided with a fifth inserting groove (28) for inserting the fifth pin (814), and the PCB (2) is provided with a sixth inserting groove (29) for inserting the sixth pin (824).

7. The battery pack power interface connection of claim 6, wherein: the PCB is characterized in that a baffle (9) used for surrounding the first plug spring terminal (3), the second plug spring terminal (6), the third plug spring terminal (81) and the fourth plug spring terminal (82) is arranged on the PCB (2), a separation plate (93) used for separating the third plug spring terminal (81) and the fourth plug spring terminal (82) is arranged on the baffle (9), a mounting seat (94) used for mounting the third plug spring terminal (81) is arranged on the baffle (9), and a mounting hole (95) used for mounting the third plug spring terminal (81) is formed in the baffle (9).

8. The battery pack power interfacing device of claim 7, wherein: the PCB is characterized in that a positioning column (91) is arranged on the baffle (9), and a through hole (92) for the positioning column (91) to penetrate is formed in the PCB (2).

9. The battery pack power interface connection of claim 1, wherein: the PCB (2) is provided with a connecting hole (20) for connecting the battery pack body (1).

10. The battery pack power interface connection of claim 1, wherein: and the PCB (2) is provided with an indicating groove (21) for indicating the positive and negative electrodes.

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