CN217788582U - Battery cover plate assembly, battery pack and vehicle - Google Patents
Battery cover plate assembly, battery pack and vehicle Download PDFInfo
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- CN217788582U CN217788582U CN202221502205.6U CN202221502205U CN217788582U CN 217788582 U CN217788582 U CN 217788582U CN 202221502205 U CN202221502205 U CN 202221502205U CN 217788582 U CN217788582 U CN 217788582U
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- cover plate
- hole
- strengthening rib
- explosion
- apron
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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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Abstract
The utility model discloses a battery cover plate subassembly, battery package and vehicle, battery cover plate subassembly includes: an explosion-proof valve; the apron, the apron is provided with the through-hole, be provided with intercrossing's first strengthening rib and second strengthening rib in the through-hole, the both ends of first strengthening rib and second strengthening rib all with the interior wall connection of through-hole, explosion-proof valve set up in the top of first strengthening rib and second strengthening rib and sealed the through-hole, the extending direction of first strengthening rib with apron contained angle between the first direction the extending direction of second strengthening rib with contained angle between the first direction of apron all is greater than 0 and is less than 180. Can strengthen the structural strength of apron like this, can make the apron have higher intensity under apron material is unchangeable, equal size and exhaust area to and under the condition of guaranteeing equal structural strength, can also reduce the size of strengthening rib, increase exhaust area.
Description
Technical Field
The utility model belongs to the technical field of the battery technique and specifically relates to a battery cover plate subassembly, battery package and vehicle are related to.
Background
In order to ensure the safety of the battery, an explosion-proof valve is generally mounted on the battery cover plate. When the battery is in accident due to improper charging and discharging, short circuit or exposure to severe environments such as high temperature and the like, the high-energy battery can generate a large amount of gas, the temperature is rapidly increased, and the gas rushes the explosion-proof valve to achieve the purpose of pressure relief, so that the mutual matching of the explosion-proof valve and the battery cover plate plays a key role in the safety performance of the battery.
In the related art, for the type of battery used for an automobile, an explosion-proof valve in a battery core is placed upwards in a battery pack body, the stress generated by vibration of the battery pack body on the explosion-proof valve is small, but for the battery core led out from two long strip-shaped ends, the battery core is placed laterally in the battery pack body, a shell and a cover plate can bear large stress when the battery pack body vibrates, the explosion-proof valve is prone to stress fatigue failure, particularly, the waist-shaped explosion-proof valve is arranged on the battery core level, and the reliability of the explosion-proof valve is improved by increasing the strength of the cover plate and other structures.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery cover plate assembly is equipped with two intercrossing's strengthening rib in apron and the sealed complex through-hole of explosion-proof valve to the first direction slope that makes two relative apron of strengthening rib is "X" shape structure, can make the apron have higher intensity.
The utility model also provides a battery package.
The utility model also provides a vehicle.
According to the utility model discloses battery cover plate assembly of the embodiment of first aspect, battery cover plate assembly includes: an explosion-proof valve; the apron, the apron is provided with the through-hole, be provided with intercrossing's first strengthening rib and second strengthening rib in the through-hole, the both ends of first strengthening rib and second strengthening rib all with the interior wall connection of through-hole, explosion-proof valve set up in the top of first strengthening rib and second strengthening rib and sealed the through-hole, the extending direction of first strengthening rib with contained angle between the first direction of apron the extending direction of second strengthening rib with contained angle between the first direction of apron all is greater than 0 and is less than 180.
According to the utility model discloses a battery cover plate subassembly is provided with intercrossing's first strengthening rib and second strengthening rib in the through-hole of apron, can improve the structural strength of through-hole department, avoid through-hole department to appear apron surface deformation crooked problem because of structural strength weak, and explosion-proof valve sets up in the top of first strengthening rib and second strengthening rib, with the sealed cooperation of through-hole, make mutually noninterfere between explosion-proof valve and first strengthening rib and the second strengthening rib, when improving through-hole department structural strength, can not cause the influence to explosion-proof valve's normal blasting. And, contained angle between the extending direction of first strengthening rib and the first direction of apron, contained angle between the extending direction of second strengthening rib and the first direction of apron all is greater than 0 and is less than 180, make first strengthening rib and second strengthening rib be symmetry or asymmetric "X shape" structure in through-hole department, with the structure out four triangles, form stable bearing structure, can improve the structural strength of through-hole department better, and "X shape" structure is unchangeable at the apron material, enable the apron to have higher intensity under equal size and the exhaust area, can effectively improve structural strength more than 20%, thereby guarantee the fail safe nature of explosion-proof valve. In addition, when guaranteeing equal structural strength, can also reduce the size of first strengthening rib and second strengthening rib to effectively increase exhaust area.
According to some embodiments of the present invention, the through-hole is a waist-shaped hole and comprises: the two straight-line sections are parallel to each other, the two curve sections are respectively connected to two ends of the two straight-line sections, and two ends of the first reinforcing rib and the second reinforcing rib are respectively connected to the two straight-line sections or the connection position of the straight-line sections and the curve sections.
According to some embodiments of the present invention, the first reinforcing rib and the second reinforcing rib are overlapped at the intersection center thereof with the center of the through hole, and the first reinforcing rib and the second reinforcing rib are opposite to each other with respect to the symmetry center line of the through hole.
According to the utility model discloses a some embodiments, the apron is provided with the installation step along the thickness direction indent, seted up on the installation step the through-hole, explosion-proof valve set up in the installation step is sealed the through-hole.
According to some embodiments of the present invention, the size of the explosion-proof valve in the first direction of the cover plate is L1, the size of the explosion-proof valve in the second direction of the cover plate is W1, L1 and W1 satisfy the relation: l1 is not less than W1.
According to some embodiments of the present invention, the through-hole is in the size of the first direction of the cover plate is L2, the through-hole is in the size of the second direction of the cover plate is W2, L2 and W2 satisfy the relation: L1-L2 is more than or equal to 0.5mm, and W1-W2 is more than or equal to 0.5mm.
According to the utility model discloses a some embodiments, the width of first strengthening rib with the second strengthening rib is W3 and thickness is W4, W3 with W4 satisfies the relational expression: w3 is more than or equal to 0.05W1 and less than or equal to 0.2W1, W4 is more than or equal to 1mm and less than or equal to 3mm.
According to the utility model discloses a some embodiments, battery cover plate component still includes: the protection film, the protection film lid is located explosion-proof valve, just the protection film with explosion-proof valve with the through-hole installation cooperation.
According to the utility model discloses battery package of the embodiment of second aspect includes: the battery cover plate component.
According to the utility model discloses vehicle of the embodiment of third aspect includes: the battery pack is provided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a battery cover plate assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an explosion-proof valve according to an embodiment of the present invention;
fig. 3 is a partial schematic view of a battery cover plate assembly according to an embodiment of the present invention.
Reference numerals:
100. a battery cover plate assembly;
10. an explosion-proof valve;
20. a cover plate; 21. a through hole; 211. a straight line segment; 212. a curve segment; 22. mounting a step; 231. a first reinforcing rib; 232. a second reinforcing rib;
30. and (5) protecting the film.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
The following describes the battery cover plate assembly 100 according to an embodiment of the present invention with reference to fig. 1 to 3, and the present invention also provides a battery pack having the above battery cover plate assembly 100.
As shown in fig. 1 to 3, the battery cover plate assembly 100 includes: explosion-proof valve 10 and cover plate 20.
Be provided with through-hole 21 at apron 20, be provided with intercrossing's first strengthening rib 231 and second strengthening rib 232 in the through-hole 21, the both ends of first strengthening rib 231 and second strengthening rib 232 all with the inner wall connection of through-hole 21, explosion-proof valve 10 sets up in the top of first strengthening rib 231 and second strengthening rib 232, and sealed through-hole 21, the contained angle between the extending direction of first strengthening rib 231 and the first direction of apron 20, the contained angle between the extending direction of second strengthening rib 232 and the first direction of apron 20 all is greater than 0 and is less than 180.
That is to say, the first reinforcing rib 231 and the second reinforcing rib 232 are connected to the inner wall of the through hole 21, the explosion-proof valve 10 is arranged above the first reinforcing rib 231 and the second reinforcing rib 232, and the explosion-proof valve 10 is sealed in the through hole 21, so that the structural strength of the through hole 21 can be enhanced, and the normal explosion of the explosion-proof valve 10 cannot be influenced. When the battery pack is unexpected due to improper charging and discharging, short circuit or exposure to severe environments such as high temperature, a large amount of gas is generated inside the battery pack, the temperature is sharply increased, and the gas rushes open the explosion-proof valve 10 through the through hole 21 to achieve the purpose of pressure relief, so that the use reliability of the battery pack is ensured. In addition, a terminal lead-out hole is provided at the center of the cover plate 20 for connection and flow conduction between the terminal and the battery cell.
The first direction of the cover plate 20 may be a longitudinal direction or a transverse direction of the cover plate 20, and if the first direction of the cover plate 20 is the longitudinal direction, the second direction of the cover plate 20 is the transverse direction, and the first direction and the second direction are perpendicular to each other. To the cover plate 20 of the embodiment of the present invention, the first direction is a transverse direction, and the second direction is a longitudinal direction.
Moreover, a first reinforcing rib 231 and a second reinforcing rib 232 are arranged in the through hole 21, the first reinforcing rib 231 and the second reinforcing rib 232 are mutually crossed, and the two ends of the first reinforcing rib 231 and the second reinforcing rib 232 are connected to the inner wall of the through hole 21, so that the structural strength of the cover plate 20 can be enhanced, the influence of the through hole 21 on the strength of the cover plate 20 is reduced, and the normal blasting of the explosion-proof valve 10 is ensured.
And, the included angle between the extending direction of the first bead 231 and the first direction of the cover plate 20, and the included angle between the extending direction of the second bead 232 and the first direction of the cover plate 20 are both greater than 0 ° and smaller than 180 °. So set up for first strengthening rib 231 and second strengthening rib 232 can form symmetry or asymmetric "X shape" structure, in order to construct four triangles, utilize triangular stable support structure, can be with the strengthening effect dispersion of first strengthening rib 231 and second strengthening rib 232, and then improve the structural strength of through-hole 20 department better, thereby strengthen the structural strength of apron 20, prevent that flexural deformation from appearing in the through-hole 21 department of apron 20. Compare in the "cross" structure that first strengthening rib 231 and second strengthening rib 232 constitute, the contained angle between the extending direction of first strengthening rib 231 and the first direction of apron 20 is 0 promptly, the contained angle between the extending direction of second strengthening rib 232 and the first direction of apron 20 is 180 degrees, the design of "X shape" structure, can share the influence of through-hole 21 to apron 20 intensity better, effectively improve the structural strength of apron 20, still can not influence the blasting of explosion-proof valve 10 simultaneously, and apron 20 is unchangeable at the material, can have higher structural strength under the same size and the exhaust area, greatly reduced the influence of through-hole 21 to apron 20 intensity, make gas break explosion-proof valve 10 better, the structural strength of apron 20 has been guaranteed simultaneously, be difficult to take place bending deformation.
From this, through being provided with intercrossed first strengthening rib 231 and second strengthening rib 232 at apron 20 and the sealed complex through-hole 21 inner wall of explosion-proof valve 10, and make the contained angle between the extending direction of first strengthening rib 231 and the first direction of apron 20, the contained angle between the extending direction of second strengthening rib 232 and the first direction of apron 20 all is greater than 0 and is less than 180, can strengthen the structural strength of apron 20 better, and can have higher structural strength under the same size of apron 20 and exhaust area, and under the condition of guaranteeing equal structural strength, can also reduce the size of strengthening rib 23, increase exhaust area. In addition, the first reinforcing rib 231 and the second reinforcing rib 232 are in unique X-shaped structures to form four triangles, so that a stable supporting structure is formed, and compared with reinforcing ribs in a cross-shaped structure and an annular structure, the structural strength of the X-shaped structure can be effectively improved by more than 20% under the conditions that the material of the cover plate 20 is unchanged, the size and the exhaust area are the same, so that the safety and the reliability of the explosion-proof valve 10 are effectively ensured.
Specifically, the included angles between the first reinforcing rib 231 and the second reinforcing rib 232 and the second direction of the cover plate 20 are both α, the included angles between the first reinforcing rib 231 and the second reinforcing rib 232 and the first direction of the cover plate 20 are both β, and α and β satisfy the relationship: alpha is more than 0 and less than 90 degrees, beta is more than 0 and less than 90 degrees. With such an arrangement, referring to fig. 3, an included angle between one end of the second reinforcing rib 232 and the center line of the cover plate 20 in the second direction is in a range of 0 to 90 degrees, an included angle between one end of the second reinforcing rib 232 and the center line of the cover plate 20 in the length direction is in a range of 0 to 90 degrees, and the first reinforcing rib 231 is also used, so that the reinforcing effects of the first reinforcing rib 231 and the second reinforcing rib 232 can be uniformly dispersed, and the normal blasting of the explosion-proof valve 10 cannot be influenced.
As shown in fig. 2 and 3, the through-hole 21 may be a kidney-shaped hole, and the kidney-shaped hole includes: the two straight sections 211 are parallel to each other, the two curved sections 212 are connected to two ends of the two straight sections 211 respectively, and two ends of the first reinforcing rib 231 and the second reinforcing rib 232 are connected to the two straight sections 211 or the connection position of the straight sections 211 and the curved sections 212 respectively. With the arrangement, the through hole 21 is a waist-shaped hole, so that the exhaust area can be increased, and the reliability of the explosion-proof valve 10 is improved. And, the both ends of first strengthening rib 231 and second strengthening rib 232 are connected in the straightway 211 inner wall in waist shape hole, perhaps connect in the junction inner wall of straightway 211 and curve section 212 in waist shape hole, can make the stable in structure of first strengthening rib 231 and second strengthening rib 232 like this, be difficult to take place bending deformation, can divide into four relatively even parts with through-hole 21 simultaneously, with under the exhaust area in the waist shape hole of the same size and equidimension, make apron 20 have higher structural strength, can not influence the normal blasting of explosion-proof valve 10 simultaneously.
Further, the crossing centers of the first and second reinforcing beads 231 and 232 overlap the center of the through-hole 21, and the first and second reinforcing beads 231 and 232 are symmetrically disposed with respect to the center line of symmetry of the through-hole 21. So set up, further inject "X-shaped" structure that first strengthening rib 231 and second strengthening rib 232 formed for first strengthening rib 231 and second strengthening rib 232 form symmetrical "X-shaped" structure, can guarantee like this that first strengthening rib 231 and second strengthening rib 232 divide into comparatively even four with through-hole 21, so both can make the reinforcing effect homodisperse of first strengthening rib 231 and second strengthening rib 232, still can not influence the normal blasting of explosion-proof valve 10 simultaneously. If the intersecting center of the first rib 231 and the second rib 232 deviates from the center of the through hole 21, it is easy to cause the first rib 231 or the second rib 232 to be only located in a position space of the through hole 21 smaller than one-half or even smaller, so that the through hole 21 cannot be uniformly distributed well, and the structural strength of the cover plate 20 and the explosion function of the explosion-proof valve 10 are affected. Referring to fig. 3, the intersecting center of the first reinforcing rib 231 and the second reinforcing rib 232 is overlapped with the center of the through hole 21, and the first reinforcing rib 231 and the second reinforcing rib 232 are in an axially symmetric "X-shaped" structure along the first direction or the second direction of the cover plate 20, so that the through hole 21 can be divided into four triangles with equal or nearly equal areas, the strength of the supporting structure at the through hole 21 can be effectively improved, and the cover plate 20 is prevented from bending deformation.
Further, the cover plate 20 is provided with an installation step 22 recessed along the thickness direction, a through hole 21 is opened on the installation step 22, and the explosion-proof valve 10 is arranged on the installation step 22 and seals the through hole 21. So set up, can install explosion-proof valve 10 on installation step 22, on the one hand, first strengthening rib 231 and second strengthening rib 232 are connected at the inner wall of through-hole 21, explosion-proof valve 10 is installed on installation step 22, make first strengthening rib 231 and second strengthening rib 232 set up the below at explosion-proof valve 10, and can not interfere with explosion-proof valve 10 each other, can effectively reduce the influence of first strengthening rib 231 and second strengthening rib 232 to explosion-proof valve 10, guarantee explosion-proof valve 10's normal blasting condition simultaneously, on the other hand, can make explosion-proof valve 10 and through-hole 21 carry out good sealed cooperation, and explosion-proof valve 10 can not bulge in the surface of apron 20, guarantee that explosion-proof valve 10 is difficult to be damaged by external force, can also make the surfacing of apron 20 simultaneously.
Wherein, the dimension of the explosion-proof valve 10 in the first direction of the cover plate 20 is L1, the dimension of the explosion-proof valve 10 in the second direction of the cover plate 20 is W1, and L1 and W1 satisfy the relation: l1 is not less than W1. So set up, size more than or equal to the size in the second direction of apron 20 in the first direction of apron 20 for can form circular hole or waist shape hole, and the length dimension in waist shape hole is unanimous with the first direction of apron 20, with the size structure of the apron 20 structure and the explosion-proof valve 10 of adaptation rectangular shape, thereby can improve the structural strength of apron 20 and strengthen the effect and distribute evenly better.
Here, the first direction of the cover plate 20 refers to a lateral direction of the cover plate 20, which is a length direction of the cover plate 20 in the present embodiment, and the second direction of the cover plate 20 refers to a longitudinal direction of the cover plate 20, which is a second direction of the cover plate 20 in the present embodiment. It is understood that if the cover plate 20 in the embodiment is square or the through hole 21 is circular, etc., the first direction is not applicable to the length direction here and the second direction is not applicable to the second direction here.
And the dimension of the through hole 21 in the first direction of the cap plate 20 is L2, the dimension of the through hole 21 in the second direction of the cap plate 20 is W2, and the L2 and W2 satisfy the relation: L1-L2 is more than or equal to 0.5mm, and W1-W2 is more than or equal to 0.5mm. With the arrangement, the size of the through hole 21 in the first direction of the cover plate 20 is smaller than the size of the cover plate 20 in the first direction by more than 0.5mm, and the size of the through hole 21 in the second direction of the cover plate 20 is smaller than the size of the cover plate 20 in the second direction by more than 0.5mm, on one hand, the structure of the through hole 21 is approximately the same, the structural strength of the cover plate 20 at the through hole 21 is ensured to be uniform, the cover plate 20 is prevented from being bent and deformed easily at the weak position, on the other hand, the size of the through hole 21 is smaller, the area of the mounting step 22 formed between the through hole 21 is enough to support and fix the explosion-proof valve 10, meanwhile, the size of the through hole 21 is not too large to weaken the structural strength of the cover plate 20, and the reinforcing ribs 23 are arranged in the through hole 21, so that the structural strength of the cover plate 20 can be better enhanced.
Also, the first and second beads 231 and 232 each have a width W3 and a thickness W4, and W3 and W4 satisfy the relation: w3 is more than or equal to 0.05W1 and less than or equal to 0.2W1, W4 is more than or equal to 1mm and less than or equal to 3mm. So set up, the width size scope of first strengthening rib 231 and second strengthening rib 232 is in between the twentieth of the width size in the second direction of apron 20 to the fifth, the width size of first strengthening rib 231 and second strengthening rib 232 is far less than the width size of apron 20 promptly, make the size of first strengthening rib 231 and second strengthening rib 232 not too thick like this, can effectively strengthen the intensity of apron 20, can not influence explosion-proof valve 10 again simultaneously and appear the normal blasting under the dangerous condition in the battery. And, the thickness of the first and second reinforcing ribs 231 and 232 is set between 1mm and 3mm, and the thickness of the first and second reinforcing ribs 231 and 232 is substantially the same as that of the cap plate 20, so that the structural strength requirement of the existing cap plate 20 can be satisfied. Of course, the size and strength requirements of the cover plate 20 may also be determined.
In addition, the battery cover plate assembly 100 further includes: and the protective film 30 is covered on the explosion-proof valve 10, and the protective film 30 and the explosion-proof valve 10 are matched with the through hole 21 in an installing way. With this arrangement, the protection film 30 is covered on the surface of the explosion-proof valve 10, and the protection film 30 and the explosion-proof valve 10 are installed together at the through hole 21, so that the protection film 30 and the explosion-proof valve 10 are fitted with the installation of the cover plate 20. The explosion-proof valve 10 and the cover plate 20 are welded, so that the explosion-proof valve 10 is not easily broken by gas in normal use.
According to the utility model discloses battery package of the embodiment of second aspect includes: the battery cover plate assembly 100 is described above.
According to the utility model discloses vehicle of the embodiment of third aspect includes: the battery pack is provided.
Therefore, the first reinforcing rib 231 and the second reinforcing rib 232 which are mutually crossed are arranged on the inner wall of the through hole 21 which is matched with the cover plate 20 and the explosion-proof valve 10 in a sealing way, and the first reinforcing rib 231 and the second reinforcing rib 232 form a symmetrical or asymmetrical X-shaped structure, compared with a cross-shaped structure and an annular structure, the structural strength of the cover plate 20 can be better enhanced, the structural strength can be effectively improved by more than 20% under the same size and the exhaust area of the cover plate 20, and the safety and the reliability of the explosion-proof valve 10 are effectively guaranteed. In addition, under the condition that the same structural strength is ensured, the sizes of the first reinforcing ribs 231 and the second reinforcing ribs 232 can be reduced, and the exhaust area can be increased.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery cover plate assembly, comprising:
an explosion-proof valve;
the apron, the apron is provided with the through-hole, be provided with intercrossing's first strengthening rib and second strengthening rib in the through-hole, the both ends of first strengthening rib and second strengthening rib all with the interior wall connection of through-hole, explosion-proof valve set up in the top of first strengthening rib and second strengthening rib and sealed the through-hole, the extending direction of first strengthening rib with contained angle between the first direction of apron the extending direction of second strengthening rib with contained angle between the first direction of apron all is greater than 0 and is less than 180.
2. The battery cover plate assembly of claim 1, wherein the through-hole is a kidney-shaped hole and comprises: the two straight line sections are parallel to each other, the two curve sections are connected to two ends of the two straight line sections respectively, and two ends of the first reinforcing rib and two ends of the second reinforcing rib are connected to the two straight line sections or the connection position of the straight line sections and the curve sections respectively.
3. The battery cover plate assembly of claim 1, wherein the crossing center of the first reinforcing bead and the second reinforcing bead overlaps the center of the through-hole, and the first reinforcing bead and the second reinforcing bead are symmetrically disposed with respect to the symmetrical center line of the through-hole.
4. The battery cover plate assembly of claim 1, wherein the cover plate is provided with a mounting step recessed in a thickness direction, the mounting step is provided with the through hole, and the explosion-proof valve is arranged on the mounting step and seals the through hole.
5. The battery cover plate assembly of claim 4, wherein the size of the explosion-proof valve in the first direction of the cover plate is L1, the size of the explosion-proof valve in the second direction of the cover plate is W1, and the L1 and W1 satisfy the relation: l1 is more than or equal to W1.
6. The battery cover plate assembly of claim 5, wherein the through hole has a dimension L2 in the first direction of the cover plate, the through hole has a dimension W2 in the second direction of the cover plate, and the L2 and W2 satisfy the relationship: L1-L2 is more than or equal to 0.5mm, W1-W2 is more than or equal to 0.5mm.
7. The battery cover plate assembly of claim 5, wherein the first reinforcing rib and the second reinforcing rib each have a width W3 and a thickness W4, and wherein W3 and W4 satisfy the relationship: w3 is more than or equal to 0.05W1 and less than or equal to 0.2W1, W4 is more than or equal to 1mm and less than or equal to 3mm.
8. The battery cover plate assembly of claim 1, further comprising: the protection film, the protection film lid is located explosion-proof valve, just the protection film with explosion-proof valve with the through-hole installation cooperation.
9. A battery pack, comprising: the battery cover plate assembly of any of claims 1-8.
10. A vehicle, characterized by comprising: the battery pack of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221502205.6U CN217788582U (en) | 2022-06-15 | 2022-06-15 | Battery cover plate assembly, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221502205.6U CN217788582U (en) | 2022-06-15 | 2022-06-15 | Battery cover plate assembly, battery pack and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217788582U true CN217788582U (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221502205.6U Active CN217788582U (en) | 2022-06-15 | 2022-06-15 | Battery cover plate assembly, battery pack and vehicle |
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| Country | Link |
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| CN (1) | CN217788582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374488A (en) * | 2023-12-07 | 2024-01-09 | 蜂巢能源科技股份有限公司 | Cover plate and battery |
-
2022
- 2022-06-15 CN CN202221502205.6U patent/CN217788582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374488A (en) * | 2023-12-07 | 2024-01-09 | 蜂巢能源科技股份有限公司 | Cover plate and battery |
| CN117374488B (en) * | 2023-12-07 | 2024-02-20 | 蜂巢能源科技股份有限公司 | Cover plate and battery |
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