CN217848030U - Pressing mechanism of battery module end plate - Google Patents
Pressing mechanism of battery module end plate Download PDFInfo
- Publication number
- CN217848030U CN217848030U CN202222046115.7U CN202222046115U CN217848030U CN 217848030 U CN217848030 U CN 217848030U CN 202222046115 U CN202222046115 U CN 202222046115U CN 217848030 U CN217848030 U CN 217848030U
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- Prior art keywords
- plate
- end plate
- hole
- pressure strip
- battery module
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- 238000003825 pressing Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 5
- 241000446313 Lamella Species 0.000 abstract description 10
- 230000006978 adaptation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a hold-down mechanism of battery module end plate, including driving piece, pressure strip, intermediate lamella and spring, the driving piece has at least one expansion end, and the pressure strip sets up the expansion end at the driving piece, be equipped with the locating pin on the pressure strip, locating pin and the locating hole on the end plate are fit for, and selective and locating hole cooperation connection under the drive of driving piece, and the intermediate lamella is located between pressure strip and the end plate, set up first through-hole on the intermediate lamella, and establish on the locating pin through first through-hole movable sleeve, the spring sets up between pressure strip and intermediate lamella; the middle plate and the spring are arranged, and the pressing plate and the end plate are separated through the elasticity of the spring, so that the normal operation of the stacking work of the end plates is ensured, and the assembly efficiency of the battery module is improved; removable structural design is done with the pressure strip to the driving piece, and operating personnel can adapt to the requirement that compresses tightly of the end plate of different grade type through changing the pressure strip, has improved this hold-down mechanism's practicality.
Description
Technical Field
The utility model relates to a battery module field especially relates to a hold-down mechanism of battery module end plate.
Background
In the assembly process of the battery module, an operator needs to stack the end plates at both ends of the electric core pack.
Chinese patent CN206415799U discloses a module end plate compression and side plate compression device, which includes a bottom plate, a sliding support mechanism capable of moving back and forth along the bottom plate, a module compression assembly arranged on the sliding support mechanism for extruding the module end plate, and a first driving device arranged on the bottom plate for driving the sliding support mechanism to move.
Because lack the locating element on above-mentioned closing device's the module compression subassembly, consequently the end plate takes place the skew easily at piling up the in-process, when the end plate takes place the skew, can produce fit-up gap between end plate and the electric core group to influence battery module's performance, to this, battery module's manufacture factory usually can add locating hole and locating pin on end plate and pressure strip, prevents that the end plate from taking place the skew at piling up the in-process, nevertheless such solution still exists following not enoughly: in order to guarantee that the end plate does not take place the skew, locating hole and locating pin just need have higher cooperation precision, and higher cooperation precision leads to locating hole and locating pin to appear cooperating the phenomenon of tension easily, when locating hole and locating pin cooperation tension, under the condition that does not have external force to intervene, the end plate is difficult to be separated with the pressure strip to influence the going on of end plate pile work, reduce the assembly efficiency of battery module.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a hold-down mechanism of battery module end plate, separable pressure strip and end plate have guaranteed the end plate and have piled up the normal clear of work, have improved battery module's assembly efficiency.
The technical scheme of the utility model is realized like this: the utility model provides a hold-down mechanism of battery module end plate, including driving piece and pressure strip, the driving piece has at least one expansion end that can be close to or keep away from the end plate motion, and the pressure strip sets up the expansion end at the driving piece, one side that the pressure strip is close to the end plate is equipped with the locating pin, locating pin and the locating hole looks adaptation on the end plate to the drive of driving piece is down selective be connected with the locating hole cooperation, still includes intermediate lamella and spring, and the intermediate lamella is located between pressure strip and the end plate, first through-hole has been seted up on the intermediate lamella to establish on the locating pin through first through-hole movable sleeve, the spring sets up between pressure strip and intermediate lamella.
On the basis of the above technical solution, preferably, the pressing plate is detachably disposed on the driving member.
On the basis of the above technical solution, preferably, the thickness of the intermediate plate is 1 to 2mm smaller than that of the pressing plate.
On the basis of the above technical scheme, preferably, a boss is arranged on one side of the middle plate close to the end plate.
On the basis of the above technical scheme, preferably, the first through hole is a stepped hole, the spring is sleeved on the locating pin, and one end of the spring is located in the first through hole.
On the basis of the above technical scheme, preferably, the pressing device further comprises a limiting part, the middle plate is further provided with a second through hole, the limiting part comprises a connecting part and a limiting part, one end of the connecting part is detachably connected with the pressing plate, the other end of the connecting part penetrates through the second through hole and then is fixedly connected with the limiting part, and the limiting part is selectively abutted against the second through hole.
Further preferably, the second through hole is a trapezoid hole, the limiting part is of a trapezoid structure, and the second through hole is matched with the limiting part.
The utility model discloses a hold-down mechanism has following beneficial effect for prior art:
(1) The middle plate and the springs are arranged, and the pressing plate and the end plates are separated through the elasticity of the springs, so that the normal operation of the stacking work of the end plates is ensured, and the assembly efficiency of the battery module is improved;
(2) Removable structural design is done with the pressure strip to the driving piece, and when using, operating personnel can adapt to the requirement that compresses tightly of the end plate of different grade type through changing the pressure strip, has improved this hold-down mechanism's practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a use state of the pressing mechanism of the present invention;
fig. 2 is a schematic structural view of the pressing mechanism of the present invention;
fig. 3 is a schematic structural diagram of the locating part of the present invention.
In the figure: 1. a drive member; 2. a compression plate; 21. positioning pins; 3. a middle plate; 31. a boss; 301. a first through hole; 302. a second through hole; 4. a spring; 5. a limiting member; 51. a connecting portion; 52. a limiting part; 6. and an end plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.
As shown in fig. 1-3, the pressing mechanism of the battery module end plate of the present invention includes a driving member 1, a pressing plate 2, an intermediate plate 3, a spring 4 and a limiting member 5.
The driving member 1 is used as a power element of the pressing mechanism, the driving member 1 is provided with at least one movable end which can move close to or far away from the end plate 6, and the driving member 1 can be an air cylinder, an electric connecting rod, an electric sliding rail or other equipment with telescopic function.
The pressure strip 2 is used for compressing tightly end plate 6 to prevent that end plate 6 from piling up the in-process and taking place the skew, pressure strip 2 sets up at the expansion end of driving piece 1, and one side that pressure strip 2 is close to end plate 6 is equipped with locating pin 21, locating pin 21 and the locating hole looks adaptation on the end plate 6 to the selectivity is connected with the locating hole cooperation under driving piece 1's drive, and the aluminum alloy material is chooseed for use to the material of pressure strip 2 here, compares in other materials, and the aluminum alloy material has advantages such as intensity height, light in weight.
When the pressing plate is used, the positioning pin 21 on the pressing plate 2 and the positioning hole on the end plate 6 are positioned in the moving direction of the driving piece 1, and when the driving piece 1 drives the pressing plate 2 to move close to the end plate 6, the positioning pin 21 on the pressing plate 2 is connected with the positioning hole on the end plate 6 in a matched manner; when the driving member 1 drives the pressing plate 2 to move away from the end plate 6, the positioning pin 21 on the pressing plate 2 is separated from the positioning hole on the end plate 6.
Removable setting of pressure strip 2 is on driving piece 1, and here driving piece 1 is removable structural design with pressure strip 2, and when using, operating personnel can adapt to the requirement that compresses tightly of the end plate 6 of different grade type through changing pressure strip 2, has improved this hold-down mechanism's practicality.
The intermediate plate 3 is located between the pressing plate 2 and the end plate 6, and is selectively propped against the end plate 6 under the driving of the pressing plate 2, the intermediate plate 3 is provided with a first through hole 301, and is movably sleeved on the positioning pin 21 through the first through hole 301, and specifically, the thickness of the intermediate plate 3 is 1-2 mm smaller than that of the pressing plate 2.
The side of the middle plate 3 close to the end plate 6 is provided with a boss 31, when in use, the boss 31 is abutted against the end plate 6 instead of the middle plate 3, and the position of the boss 31 may correspond to the position of the first through hole 301, that is, the first through hole 301 penetrates through the middle plate 3 and the boss 31 at the same time, so that the purpose of this arrangement is to facilitate the alignment of the positioning pin 21 on the compression plate 2 and the positioning hole on the end plate 6 by an operator.
When the driving piece 1 drives the compression plate 2 to move close to the end plate 6, firstly, the boss 31 on the middle plate 3 abuts against the end plate 6, then the compression plate 2 continues to move until the positioning pin 21 on the compression plate 2 is matched and connected with the positioning hole on the end plate 6, and at the moment, the spring 4 is in a compressed state; when driving piece 1 drives pressure strip 2 and keeps away from end plate 6 motion, spring 4 under the compression state can apply a set of opposite direction, the same elasticity of size for pressure strip 2 and intermediate plate 3, because the existence of elasticity, end plate 6 can not keep away from at once to intermediate plate 3, but continue to press and hold on end plate 6, locating pin 21 on the pressure strip 2 this moment and the locating hole separation on the end plate 6, guaranteed that end plate 6 piles up the normal clear of work, improved the assembly efficiency of battery module.
The limiting part 5 is used for preventing the middle plate 3 from falling off from the positioning pin 21, the second through hole 302 has been seted up on the middle plate 3, the limiting part 5 includes connecting portion 51 and spacing portion 52, the one end and the 2 detachable connections of pressure strip of connecting portion 51, the other end of connecting portion 51 pass behind the second through hole 302 with spacing portion 52 fixed connection, spacing portion 52 selectivity is held against with the second through hole 302, and is concrete, the second through hole 302 is trapezoidal hole, and spacing portion 52 is trapezium structure, the second through hole 302 and spacing portion 52 looks adaptation.
When the distance between the pressing plate 2 and the middle plate 3 is equal to the length of the connecting part 51, the limiting part 52 is abutted against the second through hole 302; when the distance between the pressing plate 2 and the middle plate 3 is smaller than the length of the connecting portion 51, the limiting portion 52 of the limiting member 5 does not abut against the second through hole 302.
The working principle is as follows: as shown in fig. 1 to fig. 3, an operator opens the driving member 1, the driving member 1 drives the pressing plate 2 to move close to the end plate 6, until the positioning pin 21 on the pressing plate 2 is connected with the positioning hole on the end plate 6 in a matching manner, at this time, the boss 31 on the intermediate plate 3 abuts against the end plate 6, the spring 4 is in a compression state, the end plate 6 is compressed, the operator starts to stack the end plate 6, after the end plate 6 is stacked, the driving member 1 drives the pressing plate 2 to move away from the end plate 6, the spring 4 in the compression state can apply a set of opposite directions to the pressing plate 2 and the intermediate plate 3, the elastic force has the same size, due to the existence of the elastic force, the intermediate plate 3 cannot immediately keep away from the end plate 6, but continues to be pressed on the end plate 6, at this time, the pressing plate 2 is separated from the end plate 6, the normal operation of stacking the end plate 6 is ensured, and the assembly efficiency of the battery module is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pressing mechanism of a battery module end plate comprises a driving piece (1) and a pressing plate (2), wherein,
the driving piece (1) is provided with at least one movable end which can move close to or far away from the end plate (6);
the pressing plate (2) is arranged at the movable end of the driving piece (1), one side, close to the end plate (6), of the pressing plate (2) is provided with a positioning pin (21), and the positioning pin (21) is matched with a positioning hole in the end plate (6) and is selectively matched and connected with the positioning hole under the driving of the driving piece (1);
the method is characterized in that: also comprises a middle plate (3) and a spring (4), wherein,
the middle plate (3) is positioned between the pressing plate (2) and the end plate (6), a first through hole (301) is formed in the middle plate (3), and the middle plate is movably sleeved on the positioning pin (21) through the first through hole (301);
the spring (4) is arranged between the pressing plate (2) and the middle plate (3).
2. The pressing mechanism of an end plate of a battery module according to claim 1, wherein: the compression plate (2) is detachably arranged on the driving piece (1).
3. The pressing mechanism of an end plate of a battery module according to claim 1, wherein: the thickness of the middle plate (3) is 1-2 mm smaller than that of the compression plate (2).
4. The pressing mechanism of an end plate of a battery module according to claim 1, wherein: and a boss (31) is arranged on one side of the middle plate (3) close to the end plate (6).
5. The pressing mechanism of an end plate of a battery module according to claim 1, wherein: first through-hole (301) are the shoulder hole, and spring (4) cover is established on locating pin (21), the one end of spring (4) is located first through-hole (301).
6. The pressing mechanism of an end plate of a battery module according to claim 1, wherein: the device also comprises a limiting piece (5), a second through hole (302) is further formed in the middle plate (3), the limiting piece (5) comprises a connecting part (51) and a limiting part (52), wherein,
one end of the connecting part (51) is detachably connected with the pressing plate (2), and the other end of the connecting part passes through the second through hole (302) and then is fixedly connected with the limiting part (52);
the limiting part (52) selectively supports against the second through hole (302).
7. The pressing mechanism of an end plate of a battery module according to claim 6, wherein: the second through hole (302) is a trapezoid hole, the limiting part (52) is of a trapezoid structure, and the second through hole (302) is matched with the limiting part (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046115.7U CN217848030U (en) | 2022-08-04 | 2022-08-04 | Pressing mechanism of battery module end plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046115.7U CN217848030U (en) | 2022-08-04 | 2022-08-04 | Pressing mechanism of battery module end plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217848030U true CN217848030U (en) | 2022-11-18 |
Family
ID=84011642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222046115.7U Active CN217848030U (en) | 2022-08-04 | 2022-08-04 | Pressing mechanism of battery module end plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217848030U (en) |
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2022
- 2022-08-04 CN CN202222046115.7U patent/CN217848030U/en active Active
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| GR01 | Patent grant |