CN217775827U - Battery and circuit board welding clamp - Google Patents

Abstract

The application relates to the technical field of circuit boards, and discloses a battery and circuit board welding clamp. The battery and circuit board welding clamp comprises a base and a locking assembly; the base comprises a bottom plate and a side plate, the bottom plate and the side plate jointly enclose a containing groove for containing the battery assembly to be welded and the circuit board assembly, and the bottom plate is provided with a first avoidance hole for exposing a welding point on the circuit board assembly; the locking assembly comprises a fixing piece and a connecting piece, the connecting piece is fixedly arranged on the side plate, and the fixing piece is rotatably connected to the connecting piece and can rotate between an unlocking position and a locking position; when the fixing piece rotates to the locking position, the fixing piece can be abutted against the battery assembly or the circuit board assembly, and the battery assembly and the circuit board assembly are fixed in the accommodating groove. The application provides a battery and circuit board welding jig for supplementary fixed battery pack and circuit board, in order to solve battery pack and the difficult fixed technical problem in circuit board welding process position.

Description

Battery and circuit board welding clamp

Technical Field

The application relates to the technical field of circuit boards, in particular to a battery and circuit board welding clamp.

Background

The rechargeable flashlight is a novel lighting tool with a light emitting diode as a light source, and is widely applied due to the advantages of power saving, durability, strong brightness and the like.

The rechargeable flashlight is internally provided with a rechargeable battery and a circuit board, various electronic protection components are arranged on the circuit board, and the circuit board is matched with the rechargeable battery for use, so that the current and the voltage of the rechargeable battery are kept stable in the charging and discharging processes, and the rechargeable battery is prevented from being overcharged and overdischarged.

The rechargeable battery is electrically connected with the circuit board through welding. When performing the soldering operation, it is necessary to align the rechargeable battery with the soldering position on the circuit board to ensure that the rechargeable battery and the circuit board can be soldered accurately. How to solve the fixed problem of rechargeable battery and circuit board among the welding process wherein, become the key that improves rechargeable battery and circuit board welding precision.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a battery and circuit board welding jig for supplementary fixed battery pack and circuit board, in order to solve among the prior art battery pack and the circuit board welding process technical problem that the position is difficult for fixing.

In order to solve the above problem, the present application provides a battery and circuit board welding jig, including:

the base comprises a bottom plate and a side plate, the side plate is arranged on one side of the bottom plate and forms an accommodating groove together with the bottom plate, the accommodating groove is used for accommodating a battery assembly and a circuit board assembly to be welded, a first avoiding hole is formed in the bottom plate, and the first avoiding hole is used for exposing a welding point on the circuit board assembly;

the locking assembly comprises a fixing piece and a connecting piece, the connecting piece is fixedly arranged on one side of the side plate far away from the bottom plate, the fixing piece is rotatably connected to the connecting piece, and the fixing piece can rotate between an unlocking position and a locking position;

when the fixing piece rotates to the unlocking position, the notch of the accommodating groove is opened to allow the battery assembly and the circuit board assembly to be placed in the accommodating groove; when the fixing piece rotates to the locking position, the fixing piece can be abutted against the battery assembly or the circuit board assembly, and the battery assembly and the circuit board assembly are fixed in the accommodating groove.

In one embodiment, the fixing member is a fixing block, and the connecting member is a connecting nail; be equipped with the mounting hole on the fixed block, connect nail one end and pass the mounting hole is fixed in on the curb plate, it follows to connect the nail the depth direction of storage tank extends, the fixed block can be in a parallel with wind in the plane of bottom plate connect the nail to rotate.

In one embodiment, the fixed block is provided with a mounting groove, and the mounting hole is arranged at the bottom of the mounting groove;

the locking assembly further comprises a spring, the spring sleeve is arranged on the connecting nail and located in the mounting groove, one end of the spring is abutted to the groove bottom of the mounting groove, and the other end of the spring is abutted to the head of the connecting nail.

In one embodiment, the battery and circuit board welding fixture comprises a plurality of groups of locking assemblies, and the locking assemblies are arranged at intervals.

In one embodiment, at least two sets of the locking assemblies are respectively disposed on the side plates at two opposite sides of the accommodating groove.

In one embodiment, the side plate is provided with a sunken notch, and the sunken notch is used for exposing the battery assembly.

In an embodiment, the side plate is provided with a plurality of sinking notches, and the sinking notches are distributed on the side plate at two opposite sides of the accommodating groove.

In an embodiment, the bottom plate includes a first end and a second end, a groove is provided on the side plate located at the first end and/or the second end, and the groove is located at a side of the side plate away from the bottom plate.

In one embodiment, one end of the bottom plate is provided with a corner, and an arc-shaped connecting part is formed on the side plate at the corner position and is sunken towards the direction of the outer wall of the side plate.

In an embodiment, the bottom plate is further provided with a second avoiding hole, and the second avoiding hole is used for exposing the electronic element on the circuit board assembly.

The application provides a battery and circuit board welding jig, include the base and set up the locking Assembly on the base, wherein, the base includes bottom plate and curb plate, the bottom plate encloses into the storage tank that is used for placing battery pack and circuit board subassembly with the curb plate jointly, the locking Assembly includes mounting and connecting piece, the connecting piece is fixed to be set up on the curb plate, the mounting rotationally connects in the connecting piece and can rotate between unblock position and latched position, the mounting can support when rotating to latched position and hold in one side of battery pack or circuit board subassembly, thereby this battery and circuit board welding jig can be used to place and treat welded battery pack and circuit board subassembly, and utilize base and locking Assembly to press from both sides tightly and fix above-mentioned battery pack and circuit board subassembly. Furthermore, the bottom plate of the base is provided with a first avoiding hole, the notches of the first avoiding hole and the accommodating groove can respectively expose the welding point on the circuit board assembly and expose the nickel strip stretching into the welding point, so that the nickel strip can be welded on the welding point of the circuit board assembly through the notches of the first avoiding hole and the accommodating groove after the battery assembly and the circuit board assembly are fixed in the battery and circuit board welding fixture. The battery component and the circuit board component are fixed by the battery and circuit board welding fixture, so that the position deviation of the nickel strap and the circuit board in the welding process can be prevented, the positioning is convenient, and the welding difficulty can be simplified.

Drawings

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

FIG. 1 is a schematic diagram of a conventional rechargeable flashlight;

FIG. 2 is an exploded view of a battery assembly and circuit board assembly of a conventional rechargeable flashlight;

FIG. 3 is a schematic diagram of another battery assembly and circuit board assembly of a conventional rechargeable flashlight;

FIG. 4 is an enlarged view of the structure shown in A in FIG. 3;

FIG. 5 is an enlarged view of the structure shown at B in FIG. 3;

fig. 6 is a schematic structural diagram of a battery and circuit board welding fixture according to an embodiment of the present disclosure;

fig. 7 is a second schematic structural diagram of a battery and circuit board welding fixture according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a base in the welding fixture for battery and circuit board shown in FIG. 6;

FIG. 9 is a bottom schematic view of the base of FIG. 8;

FIG. 10 is a cross-sectional view of the battery and circuit board welding fixture D-D of FIG. 6;

FIG. 11 is an enlarged view of the structure shown at C in FIG. 10;

fig. 12 is a schematic use view of a battery and circuit board welding fixture according to an embodiment of the present disclosure.

Description of the main element symbols:

100. a battery and circuit board welding clamp;

200. charging a flashlight;

10. a battery assembly; 11. a battery; 12. a nickel strap;

20. a first circuit board; 21. a second circuit board; 22. a front connecting plate; 23. a rear connecting plate; 24. inserting slots;

30. a base; 31. a base plate; 311. a first avoidance hole; 312. a second avoidance hole; 32. a side plate; 321. a sinking notch; 322. a groove; 323. an arc-shaped connecting part; 33. a containing groove;

40. a locking assembly; 41. connecting nails; 42. a fixed block; 421. mounting holes; 422. mounting grooves; 43. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

As shown in fig. 1-5, the present embodiment provides a rechargeable flashlight 200, a battery assembly 10 and a circuit board assembly thereof. As shown in fig. 2 and 3, the battery assembly 10 includes a plurality of battery packs, each battery pack includes two batteries 11, and the batteries 11 in each battery pack and adjacent battery packs are electrically connected through nickel strips 12. The circuit board assembly comprises a first circuit board 20, a second circuit board 21, a front connecting board 22 and a rear connecting board 23, wherein the first circuit board 20 and the second circuit board 21 are respectively arranged at two opposite sides of the battery assembly 10, and welding points are arranged on the first circuit board 20 and the second circuit board 21 and used for welding the nickel strap 12 so as to realize the electrical connection between the circuit boards and the battery 11. As shown in fig. 3, 4 and 5, slots 24 are formed at front and rear ends of the first circuit board 20 and the second circuit board 21, and the front connection board 22 and the rear connection board 23 are inserted into the slots 24 to connect the first circuit board 20 and the second circuit board 21, wherein the front connection board 22 and the rear connection board 23 may be circuit boards or common copper boards.

It is to be understood that the above description is only one structure for connecting the battery pack 10 to the circuit board assembly. In other embodiments, the battery assembly 10 may include batteries 11 with different numbers and types, and the circuit board assembly may include one or more sets of circuit boards, the specific assembly manner of the battery assembly 10 and the circuit board assembly may be designed according to practical situations, and is not limited herein, and the structure of the battery assembly 10 and the circuit board assembly does not limit the scope of protection of the present application.

As shown in fig. 6-12, the present application provides a battery and circuit board welding fixture 100, which can be used to assist in fixing the battery assembly 10 and the circuit board, so as to facilitate welding the nickel strap 12 and the circuit board.

As shown in fig. 6 and 7, the battery and circuit board welding jig 100 includes a base 30 and a locking assembly 40 disposed on the base 30.

As shown in fig. 6, 8 and 12, the base 30 includes a bottom plate 31 and a side plate 32, the side plate 32 is disposed on one side of the bottom plate 31 and surrounds a receiving groove 33 together with the bottom plate 31, and the receiving groove 33 is used for receiving the battery assembly 10 and the circuit board assembly to be welded. The bottom plate 31 is provided with a first avoiding hole 311, and the first avoiding hole 311 is used for exposing a welding point on the circuit board assembly.

As shown in fig. 7, 10 and 12, the locking assembly 40 includes a fixing member and a connecting member, the connecting member is fixedly disposed on a side of the side plate 32 away from the bottom plate 31, the fixing member is rotatably connected to the connecting member, and the fixing member is rotatable around the connecting member in an unlocking position and a locking position. When the fixing member is rotated to the unlocking position (as shown in a position of the locking assembly 40 in fig. 6), the notch of the accommodating groove 33 is opened to allow the battery assembly 10 and the circuit board assembly to be placed in the accommodating groove 33; when the fixing member rotates to the locking position (as shown in b of fig. 6, the locking assembly 40 is located), the fixing member may abut against the battery assembly 10 or the circuit board assembly, and fix the battery assembly 10 and the circuit board assembly in the receiving groove 33.

The abutting positions of the fixing members are different according to the different structures of the battery assembly 10 and the circuit board assembly, and the welding points on the circuit board assembly are avoided when the fixing members abut against the circuit board assembly. Optionally, in an embodiment of the present application, the circuit board assembly includes a first circuit board 20 and a second circuit board 21, the first circuit board 20 and the second circuit board 21 are respectively disposed on two opposite sides of the battery assembly 10, the first circuit board 20, the battery assembly 10, and the second circuit board 21 can be sequentially placed in the accommodating groove 33, the first circuit board 20 is attached to the bottom plate 31 of the base 30, and the second circuit board 21 is flush with the notch of the accommodating groove 33. When the fixing member rotates to the locking position, the fixing member abuts against one side of the second circuit board 21 far away from the first circuit board 20, so that the battery assembly 10, the first circuit board 20 and the second circuit board 21 are fixed in the accommodating groove 33, the first avoiding hole 311 on the bottom plate 31 exposes the welding point on the first circuit board 20, and the notch of the accommodating groove 33 exposes the welding point on the second circuit board 21.

The application provides a battery and circuit board welding jig 100, including base 30 and the locking subassembly 40 who sets up on base 30, wherein, base 30 includes bottom plate 31 and curb plate 32, bottom plate 31 encloses into the storage tank 33 that is used for placing battery pack 10 and circuit board subassembly with curb plate 32 jointly, locking subassembly 40 includes mounting and connecting piece, the connecting piece is fixed to be set up on curb plate 32, the mounting rotationally connects in the connecting piece and can rotate between unblock position and latched position, the mounting can support when rotating to the latched position and hold in one side of battery pack 10 or circuit board subassembly, thereby this battery and circuit board welding jig 100 can be used to place the battery pack 10 and the circuit board subassembly of treating the welding, and utilize base 30 and locking subassembly 40 can press from both sides tightly and fix above-mentioned battery pack 10 and circuit board subassembly. Further, the bottom plate 31 of the base 30 is provided with a first avoiding hole 311, the notches of the first avoiding hole 311 and the accommodating groove 33 can expose the welding point on the circuit board assembly, and expose the nickel strap 12 extending into the welding point, so that after the battery assembly 10 and the circuit board assembly are fixed in the battery and circuit board welding fixture 100, the nickel strap 12 can be welded on the welding point of the circuit board assembly through the notches of the first avoiding hole 311 and the accommodating groove 33. By using the battery and circuit board welding fixture 100 to fix the battery assembly 10 and the circuit board assembly, the position deviation of the nickel strap 12 and the circuit board during welding can be prevented, the positioning is convenient, and the welding difficulty can be simplified.

It can be understood that the receiving groove 33 is also used for placing the front connecting plate 22 and the rear connecting plate 23, and the size of the battery and circuit board welding fixture 100 and the size of the receiving groove 33 are matched with the type and number of the battery assembly 10 and the circuit board to be welded. In addition, the number of the first avoiding holes 311 is related to the number of the batteries 11 of the battery assembly 10 and the number of the corresponding welding points on the circuit board, and optionally, in an embodiment, as shown in fig. 3 and 12, the battery assembly 10 includes three groups of battery packs, correspondingly, three first avoiding holes 311 are provided on the bottom plate 31, and the three first avoiding holes 311 are opposite to the welding positions of the three groups of battery packs.

In the battery and circuit board welding jig 100 provided by the present application, as shown in fig. 7, 10 and 12, the fixing member is a fixing block 42, and the connecting member is a connecting pin 41. The fixing block 42 is provided with a mounting hole 421, one end of the connecting nail 41 passes through the mounting hole 421 and is fixed on the side plate 32, and extends along the depth direction (as shown by the direction Z in fig. 8) of the receiving groove 33, and the fixing block 42 can rotate around the connecting nail 41 in a plane parallel to the bottom plate 31. Specifically, the fixing block 42 can rotate to the upper side of the notch of the accommodating groove 33 and make the extending direction of the fixing block perpendicular to the placing direction of the battery assembly 10 (as shown in the position of the locking assembly 40 in fig. 6 b), and the fixing block 42 can press the second circuit board 21 downward to fix the first circuit board 20, the battery assembly 10 and the second circuit board 21 in the accommodating groove 33; the fixing block 42 can also rotate to above the side plate 32 and make the extending direction of the fixing block parallel to the placing direction of the battery assembly 10 (as shown in a position of the locking assembly 40 in fig. 6), and the fixing block 42 is mounted on the side plate 32 to expose the notch of the accommodating groove 33, so as to allow the first circuit board 20, the battery assembly 10 and the second circuit board 21 to be sequentially stacked in the accommodating groove 33. By adopting the above design, the connecting nail 41 and the fixing block 42 have simple structures and are easy to assemble and use.

Further, as shown in fig. 10, 11 and 12, the fixing block 42 is further provided with a mounting groove 422, and the mounting hole 421 is disposed at the bottom of the mounting groove 422. The locking assembly 40 further includes a spring 43, the spring 43 is sleeved on the connection pin 41 and located in the mounting groove 422, one end of the spring 43 abuts against the bottom of the mounting groove 422, and the other end abuts against the head of the connection pin 41. The spring 43 has good elasticity, and when the fixing block 42 rotates to the locking position and abuts against the battery assembly 10 or the circuit board, the spring 43 elastically deforms, so that the fixing block 42 can not only press the circuit board and the battery assembly 10, but also avoid the circuit board and the battery assembly 10 from being damaged due to overlarge pressure, thereby improving the reliability of the locking assembly 40 and ensuring the welding quality of the battery assembly 10 and the circuit board.

It is understood that, in some embodiments, the locking assembly 40 may further include a positioning pin disposed on the side plate 32 and a rotating plate disposed on the positioning pin, a matching engaging structure is further disposed on one end of the rotating plate and the side plate 32, the rotating plate can rotate in a plane perpendicular to the bottom plate 31 and engage with the engaging structure on the side plate 32 to be fixed to the locking position, and the specific structure of the positioning pin and the rotating plate may be designed according to practical situations, and is not limited herein.

In the battery and circuit board welding jig 100 provided by the present application, as shown in fig. 6, 7 and 12, the battery and circuit board welding jig 100 includes a plurality of sets of locking assemblies 40, and the plurality of sets of locking assemblies 40 are arranged at intervals. With the above design, the number of the locking assemblies 40 is increased, so that the fixing effect of the locking assemblies 40 can be improved, and the battery assembly 10 and the circuit board assembly can be firmly fixed in the accommodating groove 33.

Further, as shown in fig. 6, 7 and 12, at least two sets of locking assemblies 40 are respectively disposed on the side plates 32 at two opposite sides of the receiving groove 33. With the above design, the fixing effect of the locking assembly 40 can be further improved by improving the distribution mode of the locking assembly 40, so that the battery assembly 10 and the circuit board assembly can be stably fixed in the accommodating groove 33.

In the battery and circuit board welding jig 100 provided by the present application, as shown in fig. 8 and 12, a sinking notch 321 is provided on the side plate 32, and the sinking notch 321 communicates with the inside and outside sides of the accommodating groove 33 and is used for exposing the battery assembly 10. By adopting the design, the position of the battery assembly 10 is conveniently positioned through the sinking notch 321, and the battery assembly 10 and the circuit board assembly are conveniently taken out, so that the use convenience of the battery and the circuit board welding fixture 100 can be further improved.

Further, as shown in fig. 8 and 12, a plurality of sinking notches 321 are formed in the side plate 32, and the sinking notches 321 are distributed on the side plate 32 at two opposite sides of the accommodating groove 33. The specific number of the sinker notches 321 may be designed according to the number of the battery modules 10, and is not limited herein.

Further, according to the usage requirement, the sinking notch 321 may penetrate the side plate 32 along the depth direction of the accommodating groove 33, or may be only opened on one side of the side plate 32 far away from the bottom plate 31.

In the battery and circuit board welding fixture 100 provided by the present application, the bottom plate 31 includes a first end and a second end, as shown in fig. 8 and 12, a groove 322 is provided on the side plate 32 located at the first end and/or the second end, and the groove 322 is located on one side of the side plate 32 away from the bottom plate 31. The structure of the groove 322 accords with the ergonomic design, has the avoiding function and is convenient for operators to perform spot welding operation.

Optionally, in order to further improve the convenience of using the battery and circuit board welding fixture 100, in the embodiment of the present application, as shown in fig. 8 and 12, grooves 322 are respectively formed on the side plates 32 at the first end and the second end of the bottom plate 31.

In the battery and circuit board welding jig 100 provided by the present application, as shown in fig. 7, fig. 8 and fig. 12, one end of the bottom plate 31 has a corner, an arc-shaped connecting portion 323 is formed on the side plate 32 located at the corner, and the arc-shaped connecting portion 323 is recessed toward the outer wall of the side plate 32, that is, a groove structure is formed on the inner wall of the side plate 32 located at the position of the arc-shaped connecting portion 323. By adopting the design, the battery assembly 10 and the circuit board are conveniently taken and placed, the use convenience of the battery and circuit board welding fixture 100 can be further improved, and in addition, the battery and circuit board welding fixture 100 is reasonable in structure and convenient to produce and manufacture.

Except that welding point and circuit figure, still be equipped with jumbo size components such as switch, type-C charging plug and lamp pearl on the circuit board, for guaranteeing that welding jig can normal use, in the battery and circuit board welding jig 100 that this application provided, still be equipped with the second on the bottom plate 31 and dodge hole 312, the second dodges hole 312 and is used for exposing the electronic component on the circuit board subassembly to and be used for exposing the welding point of preceding connecting plate 22 and back connecting plate 23 and circuit board subassembly. Specifically, as shown in fig. 7, 8 and 9, in the embodiment of the present application, the second avoiding hole 312 on the bottom plate 31 is used for exposing the electronic component on the first circuit board 20, the front connecting plate 22, the rear connecting plate 23 and the solder joint on the first circuit board 20.

It is understood that the specific shape and size of the second avoiding hole 312 are determined according to the components on the circuit board to be soldered, and are not limited herein. In addition, the components may be disposed on the second circuit board 21 and exposed through the notch of the accommodating groove 33, and avoid the fixing block 42.

The following description will be made of a method for welding the battery assembly 10 to a circuit board and a method for using the battery-circuit board welding jig 100, taking a battery assembly 10 including 6 lithium batteries of 18650 types as an example, and specifically includes the following steps: s1, grouping the batteries 11 in pairs, welding an anode nickel strap on the anode of the battery 11, welding a cathode nickel strap on the cathode of the battery 11, and connecting 6 batteries 11 into three groups of battery packs by using the anode nickel strap and the cathode nickel strap;

s2, rotating the locking assembly 40 of the battery and circuit board welding clamp 100 to an unlocking position, overlapping the extending directions of the locking assembly 40 and the side plate 32, and placing the first circuit board 20 into the accommodating groove 33 of the battery and circuit board welding clamp 100; s3, sequentially placing the three groups of battery packs into the accommodating groove 33 of the battery and circuit board welding fixture 100, and inserting the nickel strips 12 of the battery packs into welding points of the first circuit board 20; s4, placing the front connecting plate 22 and the rear connecting plate 23 into the accommodating groove 33 of the battery and circuit board welding fixture 100, and enabling the front connecting plate 22 and the rear connecting plate 23 to be respectively inserted into the slots 24 at the front end and the rear end of the first circuit board 20; s5, placing the second circuit board 21 into the accommodating groove 33 of the battery and circuit board welding fixture 100, enabling the second circuit board 21 to be opposite to the first circuit board 20, and enabling the front connecting plate 22 and the rear connecting plate 23 to be respectively inserted into the slots 24 at the front end and the rear end of the second circuit board 21; s6, rotating the locking assembly 40 of the battery and circuit board welding clamp 100 to a locking position to enable the locking assembly 40 to press the second circuit board 21; s7, welding the second circuit board 21 with the front connecting plate 22 and the rear connecting plate 23 by using a spot welding device, and welding the nickel strap 12 with the second circuit board 21; s8, turning over the battery and circuit board welding fixture 100, welding the first circuit board 20 with the front connecting plate 22 and the rear connecting plate 23 by using a spot welding device, and welding the nickel strap 12 with the first circuit board 20; s9, turning over the battery and circuit board welding fixture 100, rotating the locking assembly 40 of the battery and circuit board welding fixture 100 to an unlocking position, and taking out the battery assembly 10 and the circuit board assembly.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.

Claims (10)

1. A battery and circuit board welding fixture (100), comprising:

the base (30) comprises a bottom plate (31) and side plates (32), the side plates (32) are arranged on one side of the bottom plate (31) and jointly surround with the bottom plate (31) to form a containing groove (33), the containing groove (33) is used for containing a battery assembly (10) to be welded and a circuit board assembly, a first avoiding hole (311) is formed in the bottom plate (31), and the first avoiding hole (311) is used for exposing a welding point on the circuit board assembly;

the locking assembly (40) comprises a fixing piece and a connecting piece, the connecting piece is fixedly arranged on one side, far away from the bottom plate (31), of the side plate (32), the fixing piece is rotatably connected to the connecting piece, and the fixing piece can rotate between an unlocking position and a locking position;

when the fixing piece rotates to the unlocking position, the notch of the accommodating groove (33) is opened to allow the battery assembly (10) and the circuit board assembly to be placed in the accommodating groove (33); when the fixing piece rotates to the locking position, the fixing piece can abut against the battery assembly (10) or the circuit board assembly, and the battery assembly (10) and the circuit board assembly are fixed in the accommodating groove (33).

2. The battery and circuit board welding fixture (100) of claim 1, wherein the fixing member is a fixing block (42), and the connecting member is a connecting pin (41); be equipped with mounting hole (421) on fixed block (42), connect nail (41) one end to pass mounting hole (421) and be fixed in on curb plate (32), connect nail (41) to follow the depth direction of storage tank (33) extends, fixed block (42) can be on a parallel with in the plane of bottom plate (31) wind connect nail (41) to rotate.

3. The battery and circuit board welding jig (100) according to claim 2, wherein the fixing block (42) is provided with a mounting groove (422), and the mounting hole (421) is provided at the bottom of the mounting groove (422);

locking Assembly (40) still includes spring (43), spring (43) cover is located connect on the nail (41) and be located in mounting groove (422), the one end of spring (43) with the tank bottom butt of mounting groove (422), the other end with the head butt of connecting nail (41).

4. The battery and circuit board welding fixture (100) of claim 2, wherein the battery and circuit board welding fixture (100) comprises a plurality of sets of the locking assemblies (40), the plurality of sets of the locking assemblies (40) being spaced apart.

5. The battery and circuit board welding jig (100) of claim 4, wherein at least two sets of the locking assemblies (40) are respectively disposed on the side plates (32) at opposite sides of the receiving groove (33).

6. The battery and circuit board welding jig (100) according to claim 1, wherein the side plate (32) is provided with a sunken notch (321), and the sunken notch (321) is used for exposing the battery assembly (10).

7. The battery and circuit board welding fixture (100) according to claim 6, wherein a plurality of said sinking notches (321) are disposed on said side plate (32), and a plurality of said sinking notches (321) are distributed on the side plate (32) at two opposite sides of said receiving groove (33).

8. The battery and circuit board welding fixture (100) according to claim 1, wherein the bottom plate (31) comprises a first end and a second end, a groove (322) is provided on the side plate (32) located at the first end and/or the second end, and the groove (322) is located on a side of the side plate (32) far away from the bottom plate (31).

9. The battery and circuit board welding jig (100) according to claim 1, wherein one end of the bottom plate (31) has a corner, and an arc-shaped connecting portion is formed on the side plate (32) at the corner position, the arc-shaped connecting portion being recessed toward an outer wall of the side plate (32).

10. The battery and circuit board welding fixture (100) according to claim 1, wherein a second avoiding hole (312) is further disposed on the bottom plate (31), and the second avoiding hole (312) is used for exposing electronic components on the circuit board assembly.

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