CN219959359U - Fuse mounting structure and battery pack - Google Patents

Abstract

The utility model relates to a fuse mounting structure and a battery pack, wherein the fuse mounting structure comprises a mounting seat, connectors and conductive sheets, a mounting groove is formed in the mounting seat, the two connectors are rotatably connected with the mounting seat and are positioned in the mounting groove, the two connectors are respectively used for connecting two conductive parts oppositely arranged on a fuse, each conductive part is connected with one conductive sheet, and one end of each conductive sheet, far away from each conductive part, penetrates through the mounting groove and extends out of the mounting seat. According to the fuse mounting structure, the fuse is arranged in the mounting groove of the mounting seat and is connected with the outside through the conducting strip, so that the exposure of the fuse is reduced, and the fuse is effectively protected; the fuse passes through the connector and rotates with the mount pad to be connected, makes the fuse can carry out the multi-angle and adjusts, and the dismouting of the fuse of being convenient for and the connection of fuse and conducting strip effectively promotes the dismouting flexibility of fuse.

Description

Fuse mounting structure and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a fuse mounting structure and a battery pack.

Background

In the new energy battery system, as the energy density of the battery is greatly improved, the capacity and the power of the lithium battery are greatly improved, the safety protection requirement on the short-circuit fault of the electric automobile is higher and higher, the fuse is used as a key element for the safety operation of a protection circuit, and the overhaul and maintenance frequency of the fuse is higher than that of other components. At present, the fuse is generally vertically and fixedly arranged in the battery pack, and the battery module is connected with the fuse through the conducting strip. The prior art has the following defects: the fuse can only be arranged inside the battery pack with the vertical installation seat, the flexibility is poor, the angle adjustment can not be carried out according to the actual structure of the conducting strip or the arrangement requirement of operators, and the disassembly and the assembly are not easy.

Disclosure of Invention

One object of an embodiment of the utility model is to: the fuse mounting structure is simple in structure and flexible to assemble and disassemble.

Another object of an embodiment of the utility model is to: the battery pack is simple in structure and high in safety.

To achieve the purpose, the embodiment of the utility model adopts the following technical scheme:

in a first aspect, a fuse mounting structure is provided, including mount pad, connector and conducting strip, the mounting groove has been seted up on the mount pad, two the connector with the mount pad rotates to be connected and is located in the mounting groove, two the connector is used for connecting two conductive parts that set up relatively on the fuse respectively, every conductive part connects one the conducting strip, the conducting strip is kept away from conductive part's one end passes the mounting groove extends to outside the mount pad.

As a preferred scheme of the fuse mounting structure, the fuse mounting structure further comprises a supporting plate and an adjusting assembly, wherein two supporting plates are arranged in the mounting groove at intervals, each supporting plate is rotationally connected with one connector, and the two supporting plates are respectively connected to two opposite groove walls of the mounting groove through the adjusting assembly, so that the distance between the supporting plates and the groove walls of the mounting groove is adjustable.

As a preferred scheme of fuse mounting structure, a plurality of first holes have been seted up to the backup pad, the mount pad corresponds the position in first hole has been seted up the second hole, the second hole is the unthreaded hole, adjusting part includes bolt and nut, the bolt passes first hole with the second hole extends to the one end outside the mounting groove with the nut is connected, the mount pad with the backup pad is located respectively the head of bolt with between the nut, the head of bolt with the interval of nut is used for limiting the backup pad is relative the adjustment distance of the cell wall of mounting groove.

As a preferred scheme of the fuse mounting structure, the adjusting assembly further comprises a spring, the spring is sleeved on the periphery of the bolt, the spring is located between the groove wall of the mounting groove and the supporting plate, and the spring always has a trend of driving the supporting plate to move towards the fuse.

As a preferable scheme of the fuse mounting structure, the first hole is a step hole, the step hole comprises a third hole and a fourth hole which are coaxially arranged and communicated, the aperture of the third hole is larger than that of the fourth hole, the third hole is positioned on one side of the supporting plate, which faces the fuse, the head of the bolt can be accommodated in the third hole, and the head of the bolt is abutted to the bottom of the third hole.

As a preferred scheme of the fuse mounting structure, the connector comprises a stop part and a rotating part, the supporting plate is provided with a fifth hole corresponding to the rotating part, the rotating part is in running fit with the fifth hole, one end of the rotating part, penetrating through the fifth hole, is connected with the fuse, and the stop part is abutted to one side, away from the fuse, of the supporting plate.

As a preferable scheme of the fuse mounting structure, one of the hole wall of the fifth hole and the periphery of the rotating part is concavely provided with a limit groove, the other of the hole wall of the fifth hole and the periphery of the rotating part is convexly provided with a limit part, the limit part is inserted in the limit groove, and the groove wall of the limit groove can limit the rotation of the limit part.

As a preferable scheme of the fuse mounting structure, the two connectors are arranged in the mounting groove at intervals along the first direction, and the mounting seat penetrates through a groove wall of the mounting groove arranged along the second direction to form an avoidance opening.

As a preferred scheme of fuse mounting structure, fuse mounting structure still includes the mounting, set up first mounting hole on the connector, the conducting strip corresponds the position of first mounting hole is provided with the second mounting hole, the conducting part corresponds the position of second mounting hole is provided with the third mounting hole, the mounting passes in proper order third mounting hole and second mounting hole revolve to twist to first mounting hole, so that conducting part conducting strip reaches connector fixed connection.

In a second aspect, a battery pack is provided, including a housing, a battery module, a fuse and a fuse mounting structure as described above, the fuse is mounted in the fuse mounting structure, at least two battery modules are disposed in the housing, the fuse mounting structure is disposed on the housing, and two conductive sheets extending out of the mounting seat of the fuse mounting structure are used for connecting in series or in parallel with the battery modules

The embodiment of the utility model has the beneficial effects that: the fuse is arranged in the mounting groove of the mounting seat and is connected with the outside through the conducting strip, so that the exposure of the fuse is reduced, and the fuse is effectively protected; the fuse passes through the connector and rotates with the mount pad to be connected, makes the fuse can carry out the multi-angle and adjusts, and the dismouting of the fuse of being convenient for and the connection of fuse and conducting strip effectively promotes the dismouting flexibility of fuse.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a fuse mounting structure according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a fuse mounting structure in accordance with an embodiment of the present utility model.

Fig. 3 is a schematic diagram illustrating the coupling of the coupling head and the support plate according to an embodiment of the utility model.

In the figure:

1. a mounting base; 11. a mounting groove; 12. a second hole; 2. a connector; 21. a stopper; 22. a rotating part; 221. a first mounting hole; 23. a limit part; 3. a conductive sheet; 31. a second mounting hole; 4. a fuse; 41. a conductive portion; 411. a third mounting hole; 5. a support plate; 51. a first hole; 52. a fifth hole; 521. a limit groove; 6. an adjustment assembly; 61. a bolt; 62. a nut; 63. a spring; 7. and a fixing piece.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1 and 2, the fuse mounting structure according to the embodiment of the present utility model includes a mounting seat 1, connectors 2 and conductive sheets 3, wherein a mounting groove 11 is formed on the mounting seat 1, two connectors 2 are rotatably connected with the mounting seat 1 and are located in the mounting groove 11, the two connectors 2 are respectively used for connecting two conductive portions 41 oppositely arranged on the fuse 4, each conductive portion 41 is connected with one conductive sheet 3, and one end of the conductive sheet 3 away from the conductive portion 41 extends outside the mounting seat 1 through the mounting groove 11. The fuse 4 is arranged in the mounting groove 11 of the mounting seat 1, and the fuse 4 is connected with the outside through the conducting strip 3, so that the exposure of the fuse 4 is reduced, and the fuse 4 is effectively protected; the fuse 4 rotates through connector 2 and mount pad 1 to be connected, makes the fuse 4 can carry out the multi-angle and adjusts, and the dismouting of the fuse 4 of being convenient for and the connection of fuse 4 and conducting strip 3 effectively promote the dismouting flexibility of fuse 4.

It can be appreciated that the mounting seat 1 is arranged in the battery pack, and according to the actual structure of the conductive sheet 3 or the arrangement requirement of operators, the angle of the connector 2 is rotated relative to the mounting seat 1, so that the operators can conveniently install the fuse 4 at a comfortable angle, and the installation of the fuse is not limited to the structure that the conductive sheet 3 can only be vertically installed, so that the connection of the conductive sheet 3 and the connector 2 is convenient. Meanwhile, the fuse 4 is convenient to replace by operators when damaged, and is convenient to assemble and disassemble, time-saving and labor-saving. It should be noted that, the mounting base 1 and the connector 2 are made of insulating materials, so as to avoid affecting the electrical connection between the fuse 4 and the conductive sheet 3 and improve the use safety of the fuse mounting structure. Specifically, as shown in fig. 2, the fuse mounting structure further includes a fixing member 7, a first mounting hole 221 is provided on the connector 2, a second mounting hole 31 is provided at a position of the conductive sheet 3 corresponding to the first mounting hole 221, a third mounting hole 411 is provided at a position of the conductive portion 41 corresponding to the second mounting hole 31, and the fixing member 7 sequentially passes through the third mounting hole 411 and the second mounting hole 31 to be screwed to the first mounting hole 221, so that the conductive sheet 3, the conductive portion 41 and the connector 2 are fixedly connected. In this embodiment, the fixing member 7 adopts a screw, the first mounting hole 221 is a threaded hole, the third mounting hole 411 and the second mounting hole 31 are unthreaded holes, and the connection is stable and the disassembly and assembly are convenient through the structure of the screw and the threaded hole. In other embodiments, the fixing member 7 may be a rivet, a pin, a wire, or other connecting structure. Preferably, the third mounting hole 411 and the second mounting hole 31 may be waist-shaped holes, which reduces a phenomenon that it is difficult to assemble due to a deviation of a manufacturing process, and further improves the mounting convenience of the fuse 4.

Optionally, as shown in fig. 1 and 2, the fuse mounting structure further includes a support plate 5 and an adjusting assembly 6, where two support plates 5 are disposed in the mounting groove 11 at intervals, each support plate 5 is rotatably connected to one connector 2, and the two support plates 5 are respectively connected to two opposite groove walls of the mounting groove 11 through the adjusting assembly 6, so that a distance between the support plate 5 and the groove walls of the mounting groove 11 is adjustable. The relative distance between the two supporting plates 5 is respectively adjusted through the adjusting assemblies 6 on the two sides, so that the relative distance between the two connectors 2 is adjusted, the fuses 4 with different length sizes are installed, and the compatibility of the fuse installation structure is improved.

Further, in this embodiment, as shown in fig. 1 and 2, the support plate 5 is provided with a plurality of first holes 51, the mounting seat 1 is provided with a second hole 12 corresponding to the position of the first hole 51, the second hole 12 is a light hole, the adjusting component 6 includes a bolt 61 and a nut 62, the bolt 61 passes through the first hole 51 and the second hole 12 to extend to one end outside the mounting groove 11 to be connected with the nut 62, the mounting seat 1 and the support plate 5 are respectively located between the head of the bolt 61 and the nut 62, and the distance between the head of the bolt 61 and the nut 62 is used for limiting the adjusting distance of the support plate 5 relative to the groove wall of the mounting groove 11. The distance between the support plate 5 is adjusted by adjusting the distance between the heads of the two bolts 61 and the nut 62, and the mode of matching the bolts 61 with the nut 62 has a simple structure and is convenient to adjust.

Still further, as shown in fig. 2, the adjusting assembly 6 further includes a spring 63, the spring 63 is sleeved on the periphery of the bolt 61, and the spring 63 is located between the groove wall of the mounting groove 11 and the supporting plate 5, and the spring 63 always has a tendency to drive the supporting plate 5 to move toward the fuse 4. Through the setting of spring 63, make backup pad 5 be located a relatively stable position state after adjusting, be convenient for the dismouting fuse 4 of operating personnel, effectively guarantee the dismouting stability of fuse 4. Alternatively, the first hole 51 is a light hole, the second hole 12 is a threaded hole, and the adjustment assembly 6 is a screw that is screwed into the second hole 12 through the first hole 51 to connect the support plate 5 with the mount 1. Of course, in other embodiments, the adjusting assembly 6 may also be an automatic adjusting mechanism such as an electric cylinder, and the like, and is not exemplified here.

In other embodiments, as shown in fig. 2, the two connectors 2 are disposed in the mounting groove 11 at intervals along the first direction (the first direction is the X direction in fig. 2), and a slot wall of the mounting seat 1 arranged along the second direction penetrating through the mounting groove 11 is formed with an avoidance opening (the second direction is the Y direction in fig. 2), and the avoidance opening is used for facilitating the installation and adjustment of the fuse 4. It can be appreciated that, compare in carrying out the installation and the regulation of fuse 4 through the notch of mounting groove 11 alone, through dodging the setting of mouth, effectively promote the fuse 4 and place into the mouth size of placing in the mounting groove 11, the dismouting of fuse 4 of being convenient for, and effectively increase connector 2 pivoted angle of adjustment, the angle adjustment scope of increase fuse 4 further promotes the dismouting flexibility of fuse 4.

Preferably, the first hole 51 is a stepped hole, the stepped hole includes a third hole and a fourth hole which are coaxially arranged and communicated, the aperture of the third hole is larger than that of the fourth hole, the third hole is positioned on one side of the supporting plate 5 facing the fuse 4, the head of the bolt 61 can be accommodated in the third hole, the head of the bolt 61 is abutted to the bottom of the third hole, and the bolt 61 passes through the fourth hole and the second hole 12 to be connected with the nut 62. Through the arrangement of the step holes, the head of the bolt 61 can be completely contained in the third hole, and the exposure of one side of the bolt 61 close to the fuse 4 is reduced, so that the influence of the exposure of the bolt 61 on the disassembly and adjustment of the fuse 4 is reduced.

In other embodiments, as shown in fig. 2 and 3, the connector 2 includes a blocking portion 21 and a rotating portion 22, the supporting plate 5 is provided with a fifth hole 52 corresponding to the rotating portion 22, the rotating portion 22 is in rotation fit with the fifth hole 52, and one end of the rotating portion 22 passing through the fifth hole 52 is connected with the fuse 4, and the blocking portion 21 abuts against one side of the supporting plate 5 away from the fuse 4.

Alternatively, as shown in fig. 3, the hole wall of the fifth hole 52 is provided with a limiting groove 521 around its central axis, the outer periphery of the rotating portion 22 is provided with a limiting portion 23 protruding toward a side far away from its central axis, the limiting portion 23 is inserted into the limiting groove 521, and the groove wall of the limiting groove 521 can limit the rotation of the limiting portion 23. Limiting the limiting part 23 through the groove wall of the limiting groove 521 so as to limit the rotation angle of the connector 2, effectively avoiding the connection of the conductive sheet 3 and the mounting seat 1 and improving the safety of the fuse mounting structure. Of course, instead of providing the limiting groove 521 on the wall of the fifth hole 52, providing the limiting portion 23 on the outer periphery of the rotating portion 22, it is also possible to provide the limiting groove 521 on the outer periphery of the rotating portion 22, and providing the limiting portion 23 on the wall of the fifth hole 52.

The embodiment of the utility model also provides a battery pack, which comprises a shell, battery modules, a fuse 4 and the fuse mounting structure, wherein the fuse 4 is arranged in the fuse mounting structure, at least two battery modules are arranged in the shell, the fuse mounting structure is arranged on the shell, and two conductive sheets 3 extending out of the mounting seat 1 of the fuse mounting structure are used for connecting the battery modules in series or in parallel. Install fuse 4 in the casing through this fuse mounting structure, the quick assembly disassembly after the fuse 4 damages in the daily use of battery package of being convenient for changes timely and convenient, effectively promotes the security performance of this battery package.

In the description herein, it should be understood that the terms "upper," "lower," and the like are used for convenience in description and simplicity of operation only, and are not necessarily indicative or implying any particular orientation, configuration or operation of such apparatus or elements herein, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the term "an embodiment" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. The utility model provides a fuse mounting structure, its characterized in that, includes mount pad, connector and conducting strip, the mounting groove has been seted up on the mount pad, two the connector with the mount pad rotates to be connected and is located in the mounting groove, two the connector is used for connecting two conductive parts that set up relatively on the fuse respectively, every conductive part connects one the conducting strip, the conducting strip is kept away from conductive part's one end passes the mounting groove extends to outside the mount pad.

2. The fuse mounting structure of claim 1, further comprising a support plate and an adjustment assembly, wherein two support plates are disposed in the mounting groove at intervals, one connector is rotatably connected to each support plate, and two support plates are respectively connected to two opposite groove walls of the mounting groove through the adjustment assembly, so that a distance between the support plates and the groove walls of the mounting groove is adjustable.

3. The fuse mounting structure of claim 2, wherein the support plate is provided with a plurality of first holes, the mounting seat is provided with a second hole corresponding to the first hole, the second hole is a smooth hole, the adjusting assembly comprises a bolt and a nut, the bolt passes through the first hole and the second hole to extend to one end outside the mounting groove to be connected with the nut, the mounting seat and the support plate are respectively positioned between the head of the bolt and the nut, and the distance between the head of the bolt and the nut is used for limiting the adjusting distance of the support plate relative to the groove wall of the mounting groove.

4. A fuse mounting structure in accordance with claim 3 wherein said adjustment assembly further comprises a spring, said spring being nested around said bolt and located between a slot wall of said mounting slot and said support plate, said spring always having a tendency to drive said support plate toward said fuse.

5. The fuse mounting structure of claim 3, wherein the first hole is a stepped hole, the stepped hole comprises a third hole and a fourth hole which are coaxially arranged and communicated, the aperture of the third hole is larger than that of the fourth hole, the third hole is positioned on one side of the supporting plate, which faces the fuse, the head of the bolt can be accommodated in the third hole, and the head of the bolt is abutted against the bottom of the third hole.

6. The fuse mounting structure of any one of claims 2-5, wherein the connector includes a stop portion and a rotating portion, the support plate is provided with a fifth hole corresponding to the rotating portion, the rotating portion is in running fit with the fifth hole, and one end of the rotating portion passing through the fifth hole is connected with the fuse, and the stop portion abuts against a side of the support plate away from the fuse.

7. The fuse mounting structure of claim 6, wherein one of a hole wall of the fifth hole and an outer periphery of the rotating portion is concavely provided with a limit groove, the other of the hole wall of the fifth hole and the outer periphery of the rotating portion is convexly provided with a limit portion, the limit portion is inserted into the limit groove, and a groove wall of the limit groove can limit rotation of the limit portion.

8. The fuse mounting structure of any one of claims 1-5, wherein two connectors are disposed in the mounting groove at intervals along a first direction, and the mounting seat is formed with a relief opening through a groove wall of the mounting groove arranged along a second direction.

9. The fuse mounting structure of any one of claims 1-5, further comprising a fixing member, wherein a first mounting hole is provided on the connector, a second mounting hole is provided at a position of the conductive piece corresponding to the first mounting hole, a third mounting hole is provided at a position of the conductive portion corresponding to the second mounting hole, and the fixing member is screwed to the first mounting hole sequentially through the third mounting hole and the second mounting hole, so that the conductive portion, the conductive piece, and the connector are fixedly connected.

10. A battery pack, characterized by comprising a shell, a battery module, a fuse and the fuse mounting structure according to any one of claims 1-9, wherein the fuse is mounted in the fuse mounting structure, at least two battery modules are arranged in the shell, the fuse mounting structure is arranged on the shell, and two conducting plates extending out of a mounting seat of the fuse mounting structure are used for connecting the battery modules in series or in parallel.