CN211719663U

CN211719663U - Module connecting and fixing structure

Info

Publication number: CN211719663U
Application number: CN202020618025.9U
Authority: CN
Inventors: 于乐; 杨道龙; 张艳; 沈晓斌
Original assignee: Huai'an Junsheng New Energy Technology Co ltd
Current assignee: Huai'an Junsheng New Energy Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-10-20
Anticipated expiration: 2030-04-23

Abstract

The utility model belongs to the technical field of new energy automobile power battery systems, and discloses a module connecting and fixing structure, which comprises a battery pack box body, wherein the top of the battery pack box body is provided with a cover plate, the interior of the battery pack box body is connected with four battery modules, four battery modules are provided with connecting plates between each other, the connecting parts of the four battery modules and the connecting plates are provided with positioning bolts, and the two ends of the side walls of the four battery modules are provided with positioning screw holes matched with the positioning bolts, the utility model can form a connecting and fixing bracket by fixing holes, the connecting plates and bosses, can connect the adjacent four battery modules into a whole, increases the inherent frequency and fatigue rigidity of the battery system, improves the stability and reliability of the battery system, and simultaneously, the screw holes on the bosses can be used for installing other components, thereby enabling the design of the battery system to be more flexible, the space utilization rate of the battery system is improved.

Description

Module connecting and fixing structure

Technical Field

The utility model belongs to the technical field of new energy automobile power battery system, concretely relates to fixed knot constructs is connected to module.

Background

The electric drive and control system is the core of new energy electric vehicle, and is different from the biggest difference of internal combustion engine vehicle, the battery provides electric energy for the drive motor of electric vehicle, at present, the most widely used power supply is lead-acid storage battery, but with the development of electric vehicle technology, the lead-acid storage battery is gradually replaced by other storage batteries due to low energy, slow charging speed and short service life, the developing power supply mainly comprises sodium-sulfur battery, nickel-cadmium battery, lithium battery, fuel battery and the like, the application of these novel batteries opens up wide prospect for the development of electric vehicle

Usually the module in the battery system is direct to be passed through the bolt fastening on the box, there is not other relation of connection between the module, battery system's natural frequency and rigidity are lower under this condition, the condition of spare part fatigue destruction can appear in the electric motor car use, thereby reduce battery system at the electrical property, the stability and the reliability of aspects such as security performance, and the condition that can't use or use the difficulty can appear in the space of module top, in addition, conventional battery package box generally is formed by the panel beating tailor-welding, if the battery module appears damaging, the staff is difficult to in time take out it to maintain and change, thereby greatly influenced work efficiency, it is very inconvenient during the operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed knot constructs is connected to module to the condition that spare part fatigue destruction can appear in the electric motor car use that proposes in solving above-mentioned background art, and the inconvenient problem of dismantling of battery package box.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixed knot constructs is connected to module, includes the battery package box, the apron is installed at the top of battery package box, and four battery modules of the internal connection of battery package box, four install the connecting plate between the battery module, and the junction of four battery modules and connecting plate all installs positioning bolt, four the lateral wall both ends of battery module all seted up with positioning bolt assorted location screw, four corners in the top of connecting plate have all seted up the fixed orifices, and the top of connecting plate is located the position department between four fixed orifices and installs the boss, set up threaded hole in the middle of the top of boss.

Preferably, the top both sides of battery package box are installed with apron assorted card strip, and the both sides of battery package box are close to the below of apron and all are fixed with two spiral shells, the lead screw has been run through to the inside of spiral shell, the fixed block is installed to the bottom of lead screw, the both sides of apron all seted up with the spacing hole of lead screw assorted.

Preferably, the bottom of the battery pack box body is provided with a backing plate, and the bottom of the backing plate is provided with a bulge.

Preferably, the outer wall of the fixed block is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with an anti-slip groove.

Preferably, the heat dissipation grooves are formed in two ends of the side wall of the battery pack box body, and the bottom of the connecting plate is provided with anti-skidding convex lines.

Preferably, the clamping strip is of an L-shaped structure, and the inner wall of the screw cylinder is provided with spiral threads opposite to the screw rod in direction.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a fixed orifices, connecting plate and boss can constitute a connection fixed bolster, can connect into a whole with four adjacent battery module, have increased battery system's natural frequency and tired rigidity, have improved battery system's stability and reliability, and the screw hole on the boss can be used to install other parts simultaneously, makes battery system design more nimble, has improved battery system's space utilization.

(2) The utility model discloses a cooperation of card strip, fixed block, lead screw, spiral shell and spacing hole can make apron and battery package box firm together, has prevented that the apron from taking place to remove, can take out the apron fast simultaneously to realized the dismantlement of battery package box, so that the staff maintains the battery module, easy operation is convenient, has reduced and has maintained the degree of difficulty and cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic view of the internal structure of the battery pack case of the present invention;

FIG. 4 is a schematic structural view of the connection plate of the present invention when connected to a boss;

FIG. 5 is a side view of the boss of the present invention;

in the figure: 1-a battery pack box body; 2-a screw rod; 3-limiting holes; 4-clamping strips; 5-cover plate; 6-a screw cylinder; 7-fixing blocks; 8-a heat sink; 9-a battery module; 10-positioning screw holes; 11-a connecting plate; 12-a boss; 13-a positioning bolt; 14-a threaded hole; 15-fixing the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a module connecting and fixing structure comprises a battery pack box body 1, a cover plate 5 is installed at the top of the battery pack box body 1, four battery modules 9 are connected inside the battery pack box body 1, connecting plates 11 are installed among the four battery modules 9, positioning bolts 13 are installed at the connecting positions of the four battery modules 9 and the connecting plates 11, positioning screw holes 10 matched with the positioning bolts 13 are formed in two ends of the side walls of the four battery modules 9, fixing holes 15 are formed in four corners of the top of the connecting plate 11, bosses 12 are installed at positions, located among the four fixing holes 15, of the top of the connecting plate 11, threaded holes 14 are formed in the middles of the tops of the bosses 12, the positioning bolts 13 can connect the connecting plate 11 and the battery modules 9 through the fixing holes 15, so that the connecting plate 11 connects the adjacent four battery modules 9 into a whole, and further inherent frequency and fatigue rigidity of a battery system are increased, the stability and the reliability of battery system in aspects such as electrical property, security performance have been improved, and screw hole 14 on the boss 12 can be used to install other parts simultaneously, including structure, pencil, copper bar etc. make battery system design more nimble, have improved battery system's space utilization.

Furthermore, the two sides of the top of the battery pack box body 1 are provided with clamping strips 4 matched with the cover plate 5, two screw cylinders 6 are fixed on the two sides of the battery pack box body 1 close to the lower part of the cover plate 5, the screw rods 2 penetrate through the screw cylinders 6, the bottom ends of the screw rods 2 are provided with fixing blocks 7, the two sides of the cover plate 5 are provided with limiting holes 3 matched with the screw rods 2, when in use, the cover plate 5 can be inserted into the two clamping strips 4, then the fixing blocks 7 are rotated to drive the screw rods 2 to move in the screw cylinders 6, then the screw rods 2 extend into the limiting holes 3, so that the cover plate 5 and the battery pack box body 1 are firmly combined, the cover plate 5 is prevented from moving, meanwhile, the screw rods 2 exit from the limiting holes 3 when the fixing blocks 7 are rotated, the cover plate 5 can be rapidly drawn out, thereby realizing the disassembly of the battery pack box body 1, facilitating the maintenance of a worker for, the maintenance difficulty and cost are reduced.

Further, a base plate is installed at the bottom of the battery pack box body 1, the base plate has an anti-skid effect, and a protrusion is arranged at the bottom of the base plate.

Specifically, the rubber sleeve is installed to the outer wall of fixed block 7, is convenient for rotate fixed block 7 through the rubber sleeve, and the outer wall of rubber sleeve has seted up anti-skidding groove.

Specifically, radiating grooves 8 have all been seted up at the lateral wall both ends of battery package box 1, and radiating grooves 8 have radiating effect, and the bottom of connecting plate 11 is provided with the antiskid burr.

Specifically, the clamping strip 4 is of an L-shaped structure, and the inner wall of the screw cylinder 6 is provided with spiral threads in a direction opposite to that of the screw rod 2.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly the battery modules 9 are fixed in the battery pack box body 1 through bolts, then the connecting plate 11 is connected between four adjacent battery modules 9, the positioning bolts 13 pass through the fixing holes 15, and the connecting plate 11 can be fixed on the battery modules 9 under the matching of the positioning screw holes 10, thereby the connecting plate 11 connects the four adjacent battery modules 9 into a whole, further the natural frequency and fatigue rigidity of the battery system are increased, the stability and reliability of the battery system in the aspects of electrical property, safety property and the like are improved, meanwhile, the threaded holes 14 on the lug boss 12 can be used for installing other components, including structural components, wiring harnesses, copper bars and the like, the design of the battery system is more flexible, the space utilization rate of the battery system is improved, then the cover plate 5 can be inserted into the two clamping strips 4, the fixing block 7 is rotated to drive the screw rod 2 to move in the screw cylinder 6, later lead screw 2 stretches into spacing downthehole 3 to make apron 5 firmly together with battery package box 1, prevented that apron 5 from taking place to remove, when battery module 9 appears damaging when needing to maintain, make lead screw 2 withdraw from spacing hole 3 through rotating fixed block 7, can take apron 5 out fast, thereby realized the dismantlement of battery package box 1, so that the staff maintains battery module 9, easy operation is convenient, has reduced and has maintained the degree of difficulty and cost.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed knot constructs is connected to module which characterized in that: including battery package box (1), apron (5) are installed at the top of battery package box (1), and the internal connection of battery package box (1) has four battery module (9), four install connecting plate (11) between battery module (9), and the junction of four battery module (9) and connecting plate (11) all installs positioning bolt (13), four positioning bolt (10) with positioning bolt (13) assorted location screw (10) have all been seted up at the lateral wall both ends of battery module (9), fixed orifices (15) have all been seted up to four corners in top of connecting plate (11), and the top of connecting plate (11) is located the position department between four fixed orifices (15) and installs boss (12), threaded hole (14) have been seted up in the middle of the top of boss (12).

2. The module connecting and fixing structure according to claim 1, wherein: the battery pack box is characterized in that clamping strips (4) matched with the cover plate (5) are installed on two sides of the top of the battery pack box body (1), two screw barrels (6) are fixed to the positions, close to the cover plate (5), of two sides of the battery pack box body (1), screw rods (2) penetrate through the interior of the screw barrels (6), fixed blocks (7) are installed at the bottom ends of the screw rods (2), and limiting holes (3) matched with the screw rods (2) are formed in two sides of the cover plate (5).

3. The module connecting and fixing structure according to claim 1, wherein: the battery pack box is characterized in that a base plate is installed at the bottom of the battery pack box body (1), and a protrusion is arranged at the bottom of the base plate.

4. The module connecting and fixing structure according to claim 2, wherein: the outer wall of the fixed block (7) is provided with a rubber sleeve, and the outer wall of the rubber sleeve is provided with an anti-slip groove.

5. The module connecting and fixing structure according to claim 1, wherein: heat dissipation grooves (8) are formed in the two ends of the side wall of the battery pack box body (1), and anti-skidding convex lines are arranged at the bottom of the connecting plate (11).

6. The module connecting and fixing structure according to claim 2, wherein: the clamping strip (4) is of an L-shaped structure, and spiral threads opposite to the direction of the screw rod (2) are formed in the inner wall of the screw cylinder (6).