CN215451569U - Battery top cap and electric core - Google Patents
Battery top cap and electric core Download PDFInfo
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- CN215451569U CN215451569U CN202120744961.9U CN202120744961U CN215451569U CN 215451569 U CN215451569 U CN 215451569U CN 202120744961 U CN202120744961 U CN 202120744961U CN 215451569 U CN215451569 U CN 215451569U
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- hole
- pole
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- top cover
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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 application discloses a battery top cover and a battery core, wherein the battery top cover comprises upper plastic, a top cover plate, lower plastic, pins, a pole and a sealing element, the bottom surface of the lower plastic is provided with a plurality of misjudgment preventing bosses in the circumferential direction of a third pole hole, the misjudgment preventing bosses define misjudgment preventing grooves, and the misjudgment preventing grooves are communicated with the third pole hole and are communicated with the outside; the pin includes the installation department, and the installation department supports and holds in the bottom surface of preventing misjudgement boss and with utmost point post welding. Lower plastic is provided with a plurality of bosses of preventing erroneous judgement in the circumference in utmost point post hole, the installation department of pin supports and holds in preventing that the erroneous judgement boss keeps away from one side of top cap piece, prevent that erroneous judgement groove and third utmost point post hole and external world all communicate all the time, under the condition of neglected loading sealing member, lower plastic still has the space in the circumference of utmost point post, can not take place because the contact surface of pin and lower plastic compresses tightly the condition that the short duration is sealed, consequently can improve the rate of accuracy of helium detection test, reduce the unexpected outflow of defective products.
Description
Technical Field
The application relates to the technical field of power batteries, in particular to a battery top cover and a battery core.
Background
In the power battery, generally set up the sealing member between utmost point post and top cap piece, realize the sealed of utmost point post department through compression sealing member, in the actual production, can carry out the helium to the battery after the assembly is accomplished and examine in order to verify the gas tightness. In the related art, in order to ensure the sealing effect of the sealing element, the sealing element is usually arranged in the lower plastic and compressed between the top cover plate and the pins, and under the condition of neglected installation of the sealing element, two sides of the lower plastic are respectively tightly attached to the top cover plate and the pins, so that short sealing at the position of the pole column is still possibly realized, the helium detection test is misjudged, and the defective product flows out accidentally.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a battery top cover, can prevent to take place helium detection test erroneous judgement under the condition of neglected loading sealing washer.
This application has still provided an electric core including above-mentioned battery top cap.
The battery top cover provided by the embodiment of the first aspect of the application comprises upper plastic, a top cover plate, lower plastic, a pole, a sealing element and a pin, wherein the upper plastic is provided with a first pole hole; the top surface of the top cover plate is connected to the bottom surface of the upper plastic, and the top cover plate is provided with a second pole column hole; the top surface of the lower plastic is connected to the bottom surface of the top cover plate, the lower plastic is provided with a third pole hole, the bottom surface of the lower plastic is provided with a plurality of false-judgment-preventing bosses in the circumferential direction of the third pole hole, the false-judgment-preventing bosses define false-judgment-preventing grooves, and the false-judgment-preventing grooves are communicated with the third pole hole and the outside; the pole is sequentially arranged in the first pole hole, the second pole hole and the third pole hole in a penetrating manner; the sealing element is sleeved on the pole; the pin comprises an installation part, and the installation part is abutted against the bottom surface of the false-judgment-preventing boss and welded with the pole.
The battery top cap that this application first aspect embodiment provided has following beneficial effect at least: lower plastic is provided with a plurality of bosses of preventing erroneous judgement in the circumference in utmost point post hole, the installation department of pin supports and holds in preventing that the erroneous judgement boss keeps away from one side of top cap piece, prevent that erroneous judgement groove and third utmost point post hole and external world all communicate all the time, under the condition of neglected loading sealing member, lower plastic still has the space in the circumference of utmost point post, can not take place because the contact surface of pin and lower plastic compresses tightly the condition that the short duration is sealed, consequently can improve the rate of accuracy of helium detection test, reduce the unexpected outflow of defective products.
In some embodiments of the present application, the erroneous judgment preventing boss includes a surrounding portion and a reinforcing portion, the surrounding portion is disposed at an outer periphery of the third pole hole, the reinforcing portion is connected to the surrounding portion, the reinforcing portion extends from the surrounding portion to a direction away from a center of the third pole hole, and the erroneous judgment preventing boss is distributed around the center of the third pole hole at intervals.
In some embodiments of the present application, the misjudgment prevention boss is a cuboid, and a plurality of the misjudgment prevention bosses are distributed around the center of the third pole hole.
In some embodiments of the present application, the erroneous judgment preventing groove extends from the outer circumference of the third stud hole to the edge of the lower plastic in a direction away from the third stud hole.
In some embodiments of this application, utmost point post includes cylinder and spacing ring, the spacing ring set up in the circumference of cylinder, one side butt of spacing ring in the installation department, the opposite side butt of spacing ring in the sealing member.
In some embodiments of this application, the plastic is provided with the pin groove down, the installation department inlays to be located the inside in pin groove, the installation department with have the gap between the cell wall in pin groove.
In some embodiments of the present application, a side wall of the pin slot is provided with a vent hole, and the vent hole is communicated with the erroneous judgment preventing slot.
In some embodiments of this application, the sealing member includes first step and second step, the aperture in first utmost point post hole is less than the aperture in second utmost point post hole, part go up the plastic and follow second utmost point post hole exposes, the aperture in second utmost point post hole is less than the aperture in third utmost point post hole, part the top flap follows third utmost point post hole exposes, the step face butt of first step in the top flap, the step face butt of second step in go up the plastic.
In some embodiments of the present application, the pin further includes a lead-out portion, and the lead-out portion is connected to the mounting portion and bends toward a direction away from the lower plastic relative to the mounting portion.
The battery core provided by the embodiment of the second aspect of the application comprises a shell, a winding core and the battery top cover of any embodiment, wherein the shell is provided with an opening, and the battery top cover is connected to the opening; the winding core is accommodated in the shell, and the winding core is connected with the battery top cover.
The battery cell provided by the embodiment of the second aspect of the application has at least the following beneficial effects: adopt the helium detection test misjudgment's that can not take place battery top cap under the condition of neglected loading sealing member, in the airtight test of the utmost point post of battery top cap and the whole airtight test of electric core, the homoenergetic prevents that pin and lower plastic from compressing tightly the short-term of production sealed to improve the rate of accuracy of airtight test, reduce the unexpected outflow of defective products.
Additional aspects and advantages of the present application 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 present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is an exploded view of a battery top cap in the related art;
fig. 2 is a schematic perspective view of a battery top cover provided in an embodiment of the first aspect of the present application;
fig. 3 is an exploded view of the top cap of the battery shown in fig. 2;
fig. 4 is a cross-sectional view at a of the battery top cap shown in fig. 2;
FIG. 5 is an enlarged view at B in FIG. 4;
fig. 6 is a schematic perspective view of a lower plastic of a battery top cover according to an embodiment of the first aspect of the present application;
fig. 7 is a schematic perspective view of a lower plastic of a battery top cover according to an embodiment of the first aspect of the present application;
fig. 8 is a schematic perspective view of a lower plastic of a battery top cover according to an embodiment of the first aspect of the present application;
fig. 9 is a schematic perspective view of a lower plastic of a battery top cover according to an embodiment of the first aspect of the present application;
fig. 10 is a schematic perspective view of a battery cell provided in an embodiment of the second aspect of the present application.
Reference numerals:
the battery top cover 100 comprises an upper plastic 110, a first pole column hole 111, a top cover plate 120, a second pole column hole 121, a lower plastic 130, a third pole column hole 131, an erroneous judgment preventing boss 132, a surrounding portion 1321, a reinforcing portion 1322, an erroneous judgment preventing groove 133, a pin groove 134, a vent hole 1341, a pole column 140, a column body 141, a limiting ring 142, a sealing element 150, a first step 151, a second step 152, a pin 160, an installation portion 161, a leading-out portion 162, a riveting block 170, a shell 200 and a winding core 300.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions referred to, for example, the directions or positional relationships indicated above, below, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Reference throughout this specification to the description of "one embodiment," "some embodiments," or the like, means 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the related art, referring to fig. 1, the contact surface between the pin 160 and the lower plastic 130 is a plane, and the plane is sealed in the circumferential direction of the post 140, so that even if the sealing element is neglected to be installed, the short sealing can be realized at the post 140 as long as the pin 160 and the lower plastic 130 are compressed, and thus the helium detection test at the post 140 causes the defective product of the neglected-installed sealing element to flow out. The short sealing reliability of the pins 160 and the lower plastic 130 is low, and safety problems are likely to occur in subsequent use.
The battery top cover 100 provided in the embodiment of the first aspect of the present application includes an upper plastic 110, a top cover sheet 120, a lower plastic 130, a post 140, a sealing member 150, and a pin 160, where the upper plastic 110 is provided with a first post hole 111; the top surface of the top cover plate 120 is connected to the bottom surface of the upper plastic 110, and the top cover plate 120 is provided with a second pole hole 121; the top surface of the lower plastic 130 is connected to the bottom surface of the top cover plate 120, the lower plastic 130 is provided with a third pole hole 131, the bottom surface of the lower plastic 130 is provided with a plurality of misjudgment prevention bosses 132 in the circumferential direction of the third pole hole 131, the misjudgment prevention bosses 132 define a misjudgment prevention groove 133, and the misjudgment prevention groove 133 is connected to the third pole hole 131 and the outside; the pole 140 sequentially penetrates through the first pole hole 111, the second pole hole 121 and the third pole hole 131; the sealing element 150 is sleeved on the pole 140; the lead 160 includes a mounting portion 161, and the mounting portion 161 abuts against the bottom surface of the misjudgment prevention boss 132 and is welded to the post 140.
For example, as shown in fig. 2 to 3, the battery top cover 100 includes an upper plastic 110, a top cover sheet 120, a lower plastic 130, a pin 160, a post 140 and a sealing member 150, referring to fig. 4 and 5, the post 140 is sequentially inserted into a first post hole 111, a second post hole 121 and a third post hole 131, and all have the clearance with the pore wall of first utmost point post hole 111, second utmost point post hole 121, third utmost point post hole 131, refer to fig. 6-9, lower plastic 130 is provided with third utmost point post hole 131, the bottom surface of lower plastic 130 is provided with a plurality of mistake in the circumference of third utmost point post hole 131 and judges the boss 132 by mistake, a plurality of mistake of preventing judge boss 132 inject prevents judge groove 133 by mistake, prevent judge groove 133 by mistake and communicate with the external world in third utmost point post hole 131 intercommunication, the installation department 161 of pin 160 supports in the bottom surface of preventing judge boss 132 by mistake, prevent judge boss 132 by mistake and make installation department 161 and have the space that communicates with third utmost point post hole 131 and communicate with the external world between the plastic 130 down. The sealing member 150 is sleeved on the pole 140 for sealing in the circumferential direction of the pole 140. When the seal 150 is mounted, the seal 150 is compressed by pressing the mounting portion 161 and the top cover sheet 120, and the pole 140 can be sealed in the circumferential direction; under the condition of neglected loading sealing member 150, compress tightly installation department 161 and top cover piece 120, because misjudgment preventing groove 133 communicates with third post hole 131 and communicates with the external world, the lower plastic 130 that is compressed tightly still has the space in the circumference of post 140, can't realize the ascending airtight of post 140 circumference, when the helium detects the test, gaseous outside by last plastic 110 is followed first post hole 111 and is got into the back, can pass through second post hole 121, third post hole 131, misjudgment preventing groove 133 escapes to the external world, consequently still can detect unusually in the helium detects the test, thereby can improve the accuracy rate of helium detection test, reduce the unexpected outflow of the defective products of neglected loading sealing member 150.
It is understood that the shape, size, etc. of the misjudgment prevention boss 132 are not limited, and may be set according to actual use requirements.
The following are several types of the misjudgment prevention bosses 132, and it should be noted that the following schemes are only examples and do not limit the present application.
The misjudgment prevention boss 132 may include a surrounding portion 1321 and a reinforcing portion 1322, the surrounding portion 1321 is disposed at an outer periphery of the third pole hole 131, the reinforcing portion 1322 is connected to the surrounding portion 1321, the reinforcing portion 1322 extends from the surrounding portion 1321 to a direction away from a center of the third pole hole 131, and the plurality of misjudgment prevention bosses 132 are distributed around the center of the third pole hole 131.
For example, as shown in fig. 6, the erroneous judgment preventing boss 132 includes a surrounding portion 1321 and a reinforcing portion 1322, the surrounding portion 1321 is provided at the outer periphery of the third pole hole 131, and the surrounding portion 1321 is used for supporting the mounting portion 161 of the pin 160 on the outer periphery of the third pole hole 131; the reinforcement portion 1322 is connected to the surrounding portion 1321, the reinforcement portion 1322 extends from the surrounding portion 1321 in a direction away from the center of the third pole hole 131, and the reinforcement portion 1322 is used to improve the strength of the surrounding portion 1321. The multiple false-proof bosses 132 are distributed around the center of the third pole hole 131 at intervals, an interval is formed between every two adjacent false-proof bosses 132 in the circumferential direction of the third pole hole 131, the installation part 161 and the top cover sheet 120 are pressed, the false-proof groove 133 and the third pole hole 131 are still conducted, and short sealing cannot occur in the circumferential direction of the pole 140 under the condition that the sealing element 150 is neglected to be installed. And the design of surrounding part 1321 and reinforcing part 1322 can be when guaranteeing the supporting effect to installation department 161, increase the clearance between installation department 161 and the lower plastic 130, at the in-process that the helium detected the test, if do not install sealing member 150, the air permeability is great, and it is more to leak gas, can further improve the helium and detect the rate of accuracy of test.
It is understood that the size and shape of the surrounding portion 1321 and the reinforcing portion 1322 can be set according to actual requirements.
The misjudgment prevention boss 132 may also be a rectangular parallelepiped, and a plurality of misjudgment prevention bosses 132 are distributed around the center of the third pole hole 131.
For example, as shown in fig. 7, the erroneous judgment preventing projections 132 are rectangular solids, a plurality of the erroneous judgment preventing projections 132 are distributed around the center of the third pole hole 131, and the erroneous judgment preventing projections 132 can support the mounting portion 161 of the pin 160 in the circumferential direction of the third pole hole 131. The anti-misjudgment boss 132 of the cuboid is simple in shape and convenient to manufacture.
It is understood that the size and the position of the misjudgment prevention boss 132 can be set according to actual requirements.
An erroneous judgment preventing groove 133 is defined between the adjacent erroneous judgment preventing bosses 132, and the erroneous judgment preventing groove 133 may be arranged to extend from the outer circumference of the third pole hole 131 to the edge of the lower plastic 130 in the direction away from the third pole hole 131.
For example, as shown in fig. 8 to 9, the misjudgment preventing groove 133 extends from the outer periphery of the third pillar hole 131 to the edge of the lower plastic 130 in the direction away from the third pillar hole 131, so as to communicate the third pillar hole 131 with the outside, and when the sealing member 150 is not installed, the gas can flow from the third pillar hole 131 to the edge of the lower plastic 130 through the misjudgment preventing groove 133 and escape to the outside, thereby preventing the misjudgment in the helium detection test.
It is understood that the shape and size of the erroneous judgment preventing groove 133 are not limited to fig. 8 and 9, and may be set according to actual requirements.
It should be noted that the pole 140 includes a cylinder 141 and a limit ring 142, the limit ring 142 is disposed in the circumferential direction of the cylinder 141, one side of the limit ring 142 abuts against the mounting portion 161, and the other side of the limit ring 142 abuts against the sealing member 150.
For example, as shown in fig. 2 to 5, the pole 140 includes a cylinder 141 and a limit ring 142, the limit ring 142 is disposed in the circumferential direction of the cylinder 141, one side of the limit ring 142 abuts against the mounting portion 161, and the other side of the limit ring 142 abuts against the sealing member 150. Referring to fig. 5, the column 141 is welded to the mounting portion 161, the welding seam is a C-shaped portion, the other end of the column needs to be riveted to the riveting block 170, the post 140 receives a force from the riveting block 170 toward the pin 160 during the riveting process, the limiting ring 142 abuts against the pin 160, the force acting on the welding seam between the mounting portion 161 and the column 141 can be dispersed, and the welding seam is prevented from being damaged or even broken during the riveting process.
The lower plastic 130 is provided with a pin groove 134, the mounting portion 161 is embedded in the pin groove 134, and a gap is formed between the mounting portion 161 and a groove wall of the pin groove 134.
For example, as shown in fig. 6 to 9, the lower plastic 130 is provided with a pin groove 134, and referring to fig. 3 and 4, the mounting portion 161 is embedded in the pin groove 134, and a gap is formed between the mounting portion 161 and a groove wall of the pin groove 134. The pin slot 134 can provide an installation space for the installation part 161, limit the installation part 161 and ensure the accurate position of the installation part 161; a gap is formed between the mounting portion 161 and the wall of the lead groove 134, so that the erroneous judgment preventing groove 133 can communicate with the outside through the gap, and the mounting portion 161 can be easily assembled.
Note that, the side wall of the lead groove 134 is provided with a vent hole 1341, and the vent hole 1341 communicates with the erroneous judgment preventing groove 133.
For example, as shown in fig. 8 and 9, a vent hole 1341 is provided in a side wall of the pin slot 134, and the vent hole 1341 communicates with the erroneous judgment preventing slot 133. The ventilation holes 1341 can further improve the ventilation capacity of the misjudgment-preventing groove 133, gas can be directly discharged from the ventilation holes 1341 after passing through the misjudgment-preventing groove 133, and under the condition that the sealing member 150 is not installed, more gas leaks in the helium detection test, so that the accuracy of the helium detection test can be further improved.
The sealing member 150 includes a first step 151 and a second step 152, the aperture of the first pole hole 111 is smaller than that of the second pole hole 121, a portion of the upper plastic 110 is exposed from the second pole hole 121, the aperture of the second pole hole 121 is smaller than that of the third pole hole 131, a portion of the top cover 120 is exposed from the third pole hole 131, the step surface of the first step 151 abuts against the top cover 120, and the step surface of the second step 152 abuts against the upper plastic 110.
For example, as shown in fig. 5, the sealing member 150 includes a first step 151 and a second step 152, the aperture of the first pole hole 111 is smaller than that of the second pole hole 121, a portion of the upper plastic 110 is exposed from the second pole hole 121, the aperture of the second pole hole 121 is smaller than that of the third pole hole 131, a portion of the top cover 120 is exposed from the third pole hole 131, the step surface of the first step 151 abuts against the top cover 120, and the step surface of the second step 152 abuts against the upper plastic 110. The seal 150 has two contact surfaces, and the sealing action in the circumferential direction of the pole 140 can be further increased.
The lead 160 further includes a lead portion 162, and the lead portion 162 is connected to the mounting portion 161 and bent in a direction away from the lower plastic 130 relative to the mounting portion 161.
For example, as shown in fig. 3, the lead 160 further includes a lead portion 162, and the lead portion 162 is connected to the mounting portion 161 and bent in a direction away from the lower plastic 130 relative to the mounting portion 161. The lead portion 162 is bent away from the lower plastic 130 to facilitate connection with the winding core 300.
The battery core provided by the embodiment of the second aspect of the present application includes a casing 200, a winding core 300, and the battery top cover 100 of any of the above embodiments, where the casing 200 has an opening, and the battery top cover 100 is connected to the opening; the winding core 300 is accommodated in the case 200, and the winding core 300 is coupled to the battery top cap 100.
For example, as shown in fig. 10, the battery core includes a casing 200, a winding core 300, and the battery top cover 100 of any of the above embodiments, the casing 200 has an opening, and the battery top cover 100 is connected to the opening; the winding core 300 is accommodated inside the case 200, and the winding core 300 is connected to the pin 160. Adopt the battery top cap that can not take place helium detection test erroneous judgement under the condition of neglected loading sealing member, in the whole airtight test to utmost point post 140 airtight test and electric core of battery top cap 100, all can prevent that pin 160 and lower plastic 130 from compressing tightly the short-term of production sealed to improve airtight test's rate of accuracy, reduce the unexpected outflow of defective products.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. Battery top cap, its characterized in that includes:
the upper plastic is provided with a first pole column hole;
the top surface of the top cover plate is connected to the bottom surface of the upper plastic, and the top cover plate is provided with a second pole column hole;
the top surface of the lower plastic is connected to the bottom surface of the top cover plate, the lower plastic is provided with a third pole hole, the bottom surface of the lower plastic is provided with a plurality of false-judgment-preventing bosses in the circumferential direction of the third pole hole, the false-judgment-preventing bosses define false-judgment-preventing grooves, and the false-judgment-preventing grooves are communicated with the third pole hole and the outside;
the pole column sequentially penetrates through the first pole column hole, the second pole column hole and the third pole column hole;
the sealing element is sleeved on the pole;
the pin comprises an installation part, and the installation part is abutted against the bottom surface of the false-judgment-preventing boss and welded with the pole.
2. The battery top cap according to claim 1, wherein the erroneous judgment preventing bosses comprise a surrounding portion and a reinforcing portion, the surrounding portion is disposed at an outer periphery of the third pole hole, the reinforcing portion is connected to the surrounding portion, the reinforcing portion extends from the surrounding portion in a direction away from a center of the third pole hole, and the erroneous judgment preventing bosses are distributed at intervals around the center of the third pole hole.
3. The battery top cap of claim 1, wherein the misjudgment-prevention boss is a cuboid, and a plurality of the misjudgment-prevention bosses are distributed around the center of the third pole hole.
4. The battery top cap of claim 1, wherein the false positive groove extends from the outer circumference of the third tab hole to the edge of the lower plastic in a direction away from the third tab hole.
5. The battery top cap of claim 1, wherein the post comprises a cylinder and a limiting ring, the limiting ring is disposed in the circumferential direction of the cylinder, one side of the limiting ring abuts against the mounting portion, and the other side of the limiting ring abuts against the sealing member.
6. The battery top cover of claim 1, wherein the lower plastic is provided with a pin slot, the mounting portion is embedded in the pin slot, and a gap is formed between the mounting portion and the slot wall of the pin slot.
7. The battery top cap of claim 6, wherein the side walls of the pin grooves are provided with vent holes, and the vent holes are communicated with the erroneous judgment prevention groove.
8. The battery top cap of claim 1, wherein the sealing member comprises a first step and a second step, the first pole hole has a smaller diameter than the second pole hole, a portion of the upper plastic is exposed from the second pole hole, the second pole hole has a smaller diameter than the third pole hole, a portion of the top cover sheet is exposed from the third pole hole, the step surface of the first step abuts against the top cover sheet, and the step surface of the second step abuts against the upper plastic.
9. The battery top cap of claim 1, wherein the pin further comprises a lead portion, the lead portion is connected to the mounting portion and is bent relative to the mounting portion in a direction away from the lower plastic.
10. Electric core, its characterized in that includes:
the battery top cap of any one of claims 1 to 9;
a housing having an opening, the battery top cover being connected to the opening;
and the winding core is accommodated in the shell, and the winding core is connected with the battery top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744961.9U CN215451569U (en) | 2021-04-13 | 2021-04-13 | Battery top cap and electric core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120744961.9U CN215451569U (en) | 2021-04-13 | 2021-04-13 | Battery top cap and electric core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451569U true CN215451569U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120744961.9U Active CN215451569U (en) | 2021-04-13 | 2021-04-13 | Battery top cap and electric core |
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| CN (1) | CN215451569U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780132A (en) * | 2023-08-16 | 2023-09-19 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
| WO2024066099A1 (en) * | 2022-09-27 | 2024-04-04 | 厦门海辰储能科技股份有限公司 | Bottom plastic and battery having same |
| WO2024114829A1 (en) * | 2023-04-20 | 2024-06-06 | 湖北亿纬动力有限公司 | Battery top cover assembly and battery |
| US12057590B1 (en) | 2023-02-09 | 2024-08-06 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy storage apparatus, and electricity-consumption device |
| WO2024164274A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cap assembly, energy storage apparatus, and electric device |
-
2021
- 2021-04-13 CN CN202120744961.9U patent/CN215451569U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066099A1 (en) * | 2022-09-27 | 2024-04-04 | 厦门海辰储能科技股份有限公司 | Bottom plastic and battery having same |
| US12057590B1 (en) | 2023-02-09 | 2024-08-06 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy storage apparatus, and electricity-consumption device |
| WO2024164274A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cap assembly, energy storage apparatus, and electric device |
| WO2024114829A1 (en) * | 2023-04-20 | 2024-06-06 | 湖北亿纬动力有限公司 | Battery top cover assembly and battery |
| CN116780132A (en) * | 2023-08-16 | 2023-09-19 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
| CN116780132B (en) * | 2023-08-16 | 2023-10-17 | 深圳海辰储能控制技术有限公司 | Lower plastic, end cover assembly, energy storage device and electric equipment |
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Effective date of registration: 20220622 Address after: 516000 plants 1, 2, 3, 11, 12, 13, 14, 15a, 15b, 1-3 buildings of plant 8, 3 buildings of plant 21, and 24 of Xinwangda Industrial Park, Dongpo Avenue, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Patentee after: XINWANGDA HUIZHOU POWER NEW ENERGY Co.,Ltd. Address before: 518000 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |