CN219394338U

CN219394338U - Wiring fixed connection mechanism of power lithium battery pack

Info

Publication number: CN219394338U
Application number: CN202320373972.XU
Authority: CN
Inventors: 钱六宝
Original assignee: Suzhou Kondoh Daqian Precision Parts Co ltd
Current assignee: Suzhou Kondoh Daqian Precision Parts Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-21
Anticipated expiration: 2033-03-03

Abstract

The utility model is applicable to the technical field of wiring fixed connection, and provides a wiring fixed connection mechanism of a power lithium battery pack, which comprises a junction box and further comprises: the device comprises a sealing cover, a fixing bolt, a rubber sleeve, a fixing ring, an extrusion block and a pressure spring; the sealing cover is rotationally connected to the junction box and fixedly connected with the junction box through a fixing bolt; a plurality of rubber sleeves are fixed on two opposite side walls of the junction box, a plurality of fixing rings are fixedly connected in the junction box, the rubber sleeves are arranged in the fixing rings, a plurality of guide sliding grooves are formed in the fixing rings, an extrusion block is connected in the guide sliding grooves in a sliding mode, and two ends of the pressure spring are connected with the extrusion block and the guide sliding grooves respectively. The briquetting extrudes the rubber sleeve, and the rubber sleeve closely contacts with the electric wire through the mode of deformation, and then prevents that the moisture of external dust from getting into in the terminal box from the clearance between rubber sleeve and the electric wire, plays sealed effect to fixed the electric wire.

Description

Wiring fixed connection mechanism of power lithium battery pack

Technical Field

The utility model belongs to the technical field of wiring fixed connection, and particularly relates to a wiring fixed connection mechanism of a power lithium battery pack.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by gilbert n.lewis in 1912. At 70 s of the 20 th century, m.s. whittingham proposed and began to study lithium ion batteries. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream.

The lithium battery needs to be connected when the lithium battery is assembled, the connection part between the battery packs belongs to a weak position, and the connection part is damaged due to frequent jolting and dragging. The wiring fixed connection mechanism of the power lithium battery pack with the existing publication number of CN215184380U is fixed on the battery pack through a bottom plate, wiring is placed on a placing plate respectively, then a bolt is rotated, the bolt is rotated to move downwards with a fixed transverse plate, a vertical rod, an inverted U-shaped rod and the like, the distance between a fixed plate II and the placing plate is more and more compact until wiring is completely fixed, the problem that a plurality of groups of lithium batteries are needed for an existing vehicle is solved, wiring between the battery packs is difficult to arrange, and the wiring is easy to loosen along with jolt of the vehicle.

The application can fix the circuit and reduce the stress of the wiring part, but does not have the waterproof effect, and when the device is used for a long time, water vapor can enter the corrosion wiring part in the device, so that potential safety hazards exist.

Disclosure of Invention

The embodiment of the utility model aims to provide a wiring fixing and connecting mechanism of a power lithium battery pack, which aims to solve the problem that water vapor can enter a device to corrode a wiring part in the prior art.

The utility model is realized in such a way that a wiring fixing and connecting mechanism of a power lithium battery pack comprises a junction box and further comprises:

the device comprises a sealing cover, a fixing bolt, a rubber sleeve, a fixing ring, an extrusion block and a pressure spring;

the sealing cover is rotationally connected to the junction box and fixedly connected with the junction box through a fixing bolt;

a plurality of rubber sleeves are fixed on two opposite side walls of the junction box, a plurality of fixing rings are fixedly connected in the junction box, the rubber sleeves are arranged in the fixing rings, a plurality of guide sliding grooves are formed in the fixing rings, an extrusion block is connected in the guide sliding grooves in a sliding manner, and two ends of the pressure spring are respectively connected with the extrusion block and the guide sliding grooves;

the pushing component is used for pushing the extrusion block and is arranged in the junction box;

the driving assembly is used for driving the pushing assembly to rotate and is arranged in the junction box.

Further technical scheme, the promotion subassembly includes swivel becket, inclined pushing face and inclined pushing piece, the end of extrusion piece is provided with the inclined pushing face, the swivel becket rotates to be connected on the inner wall of terminal box, just the solid fixed ring sets up in the swivel becket, be fixed with a plurality of inclined pushing pieces on the inner wall of swivel becket, and the quantity of inclined pushing piece is unanimous with extrusion piece quantity.

Further technical scheme, drive assembly includes outer ring gear, sliding block, rack, connecting rod and lead screw, outer ring gear is fixed on the swivel becket, be provided with two sliding grooves in the terminal box, sliding block sliding connection is in the sliding groove, be fixed with the rack on the sliding block, and rack and outer ring gear meshing cooperation, two the sliding block passes through connecting rod fixed connection, the lead screw rotates to be connected on the terminal box, and lead screw and connecting rod screw-thread fit.

According to a further technical scheme, a hand wheel is fixed at the tail end of the screw rod.

According to a further technical scheme, a rectangular sealing ring is fixed on the sealing cover.

According to the wiring fixing and connecting mechanism of the power lithium battery pack, provided by the embodiment of the utility model, the pressing block extrudes the rubber sleeve, and the rubber sleeve is closely contacted with the electric wire in a deformation mode, so that moisture of external dust is prevented from entering the junction box from a gap between the rubber sleeve and the electric wire, the sealing effect is achieved, and the electric wire is fixed.

Drawings

Fig. 1 is a schematic view of the internal structure of the main view angle of a wiring fixing and connecting mechanism of a power lithium battery pack according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of a wiring fixing and connecting mechanism of a power lithium battery pack in a top view according to an embodiment of the present utility model;

FIG. 3 is a schematic view illustrating an inner structure of the fixing ring in FIG. 1 according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of the rotating ring in fig. 1 according to an embodiment of the present utility model.

In the accompanying drawings: terminal box 1, closing cap 2, rectangular sealing washer 3, fixing bolt 4, rubber sleeve 5, swivel becket 6, solid fixed ring 7, direction spout 8, extrusion piece 9, pressure spring 10, push away face 11, push away piece 12 to one side, outer tooth ring 13, sliding groove 14, sliding block 15, rack 16, connecting rod 17, lead screw 18, hand wheel 19 to one side.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

As shown in fig. 1 to fig. 4, a wiring fixing and connecting mechanism of a power lithium battery pack according to an embodiment of the present utility model includes a junction box 1, and further includes:

the sealing cover 2, the fixing bolt 4, the rubber sleeve 5, the fixing ring 7, the extrusion block 9 and the pressure spring 10;

the sealing cover 2 is rotatably connected to the junction box 1, and the sealing cover 2 is fixedly connected with the junction box 1 through a fixing bolt 4;

a plurality of rubber sleeves 5 are fixed on two opposite side walls of the junction box 1, a plurality of fixing rings 7 are fixedly connected in the junction box 1, the rubber sleeves 5 are arranged in the fixing rings 7, a plurality of guide sliding grooves 8 are arranged on the fixing rings 7, an extrusion block 9 is connected in a sliding manner in the guide sliding grooves 8, and two ends of a pressure spring 10 are respectively connected with the extrusion block 9 and the guide sliding grooves 8;

a pushing assembly for pushing the extrusion block 9, the pushing assembly being disposed within the junction box 1;

and the driving assembly is used for driving the pushing assembly to rotate and is arranged in the junction box 1.

In the embodiment of the utility model, when the wire connector is used, two wires respectively penetrate through the rubber sleeves 5 on two sides of the junction box 1, then the wires are connected, the driving assembly drives the pushing assembly to rotate, the pushing assembly pushes the extrusion block 9, the extrusion block 9 overcomes the elasticity of the pressure spring 10 and moves, the extrusion block 9 extrudes the rubber sleeves 5, the rubber sleeves 5 are closely contacted with the wires in a deformation mode, and then moisture of external dust is prevented from entering the junction box 1 from a gap between the rubber sleeves 5 and the wires, the sealing effect is achieved, the wires are fixed, then the sealing cover 2 is covered on the junction box 1, and the sealing cover 2 is fixedly connected with the junction box 1 through the fixing bolt 4.

As shown in fig. 1 to 4, as a preferred embodiment of the present utility model, the pushing assembly includes a rotating ring 6, an inclined pushing surface 11 and inclined pushing blocks 12, the end of the pressing block 9 is provided with the inclined pushing surface 11, the rotating ring 6 is rotatably connected to the inner wall of the junction box 1, the fixed ring 7 is disposed in the rotating ring 6, a plurality of inclined pushing blocks 12 are fixed on the inner wall of the rotating ring 6, and the number of the inclined pushing blocks 12 is identical to that of the pressing block 9.

In the embodiment of the utility model, the rotating ring 6 drives the inclined pushing block 12 to rotate, the inclined pushing block 12 pushes the extrusion block 9 through the inclined pushing surface 11, so that the extrusion block 9 overcomes the elasticity of the pressure spring 10 and moves, when the rotating ring 6 is reversed, the inclined pushing block 12 is not contacted with the extrusion block 9, and the pressure spring 10 pushes the extrusion block 9 to move reversely.

As shown in fig. 1-4, as a preferred embodiment of the present utility model, the driving assembly includes an outer gear ring 13, a sliding block 15, a rack 16, a connecting rod 17 and a screw rod 18, wherein the outer gear ring 13 is fixed on the rotating ring 6, two sliding grooves 14 are provided in the junction box 1, the sliding block 15 is slidably connected in the sliding grooves 14, the rack 16 is fixed on the sliding block 15, the rack 16 is engaged with the outer gear ring 13, the two sliding blocks 15 are fixedly connected through the connecting rod 17, the screw rod 18 is rotatably connected on the junction box 1, and the screw rod 18 is in threaded fit with the connecting rod 17.

In the embodiment of the utility model, the screw rod 18 is rotated, the screw rod 18 drives the connecting rod 17 to move in a threaded transmission mode, the connecting rod 17 drives the two sliding blocks 15 to synchronously move, the sliding blocks 15 drive the racks 16 to move, the racks 16 push the outer gear ring 13 to rotate, and the outer gear ring 13 drives the rotating ring 6 to rotate.

As shown in fig. 2, as a preferred embodiment of the present utility model, a hand wheel 19 is fixed to the end of the screw 18.

In the embodiment of the utility model, the screw 18 is driven to rotate by rotating the hand wheel 19.

As shown in fig. 1, as a preferred embodiment of the present utility model, a rectangular sealing ring 3 is fixed to the cover 2.

In the embodiment of the utility model, the rectangular sealing ring 3 enables the sealing cover 2 to be in sealing connection with the junction box 1.

In the above embodiment of the utility model, when the wiring fixing and connecting mechanism of the power lithium battery pack is used, two wires respectively penetrate through the rubber sleeves 5 at two sides of the junction box 1, then after the wires are wired, the screw rod 18 is rotated, the screw rod 18 drives the connecting rod 17 to move in a threaded transmission mode, the connecting rod 17 drives the two sliding blocks 15 to synchronously move, the sliding blocks 15 drive the racks 16 to move, the racks 16 drive the outer toothed ring 13 to rotate, the outer toothed ring 13 drives the rotating ring 6 to rotate, the rotating ring 6 drives the inclined pushing block 12 to rotate, the inclined pushing block 12 drives the extrusion block 9 through the inclined pushing surface 11, the extrusion block 9 overcomes the elasticity of the pressure spring 10 and moves, the pressing block 9 extrudes the rubber sleeve 5, the rubber sleeve 5 is closely contacted with the wires in a deformation mode, moisture of external dust is prevented from entering the junction box 1 from a gap between the rubber sleeve 5 and the wires, the sealing effect is achieved, the wires are fixed, then the sealing cover 2 is covered on the junction box 1, and the sealing cover 2 is fixedly connected with the junction box 1 through the fixing bolt 4.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a wiring fixed connection mechanism of power lithium cell group, includes the terminal box, its characterized in that still includes:

2. The wiring fixed connection mechanism of a power lithium battery pack according to claim 1, wherein the pushing assembly comprises a rotating ring, an inclined pushing surface and an inclined pushing block, the end of the extrusion block is provided with the inclined pushing surface, the rotating ring is rotatably connected to the inner wall of the junction box, the fixing ring is arranged in the rotating ring, a plurality of inclined pushing blocks are fixed on the inner wall of the rotating ring, and the number of the inclined pushing blocks is identical to that of the extrusion blocks.

3. The wiring fixed connection mechanism of a power lithium battery pack according to claim 2, wherein the driving assembly comprises an outer gear ring, sliding blocks, racks, connecting rods and screw rods, the outer gear ring is fixed on the rotating ring, two sliding grooves are formed in the wiring box, the sliding blocks are slidably connected in the sliding grooves, the racks are fixed on the sliding blocks and meshed with the outer gear ring, the two sliding blocks are fixedly connected through the connecting rods, the screw rods are rotatably connected to the wiring box, and the screw rods are in threaded fit with the connecting rods.

4. The connection fixing and connecting mechanism of a power lithium battery pack according to claim 3, wherein a hand wheel is fixed at the tail end of the screw rod.

5. The connection fixing and connecting mechanism of a power lithium battery pack according to claim 1, wherein a rectangular sealing ring is fixed on the sealing cover.