CN216980717U - Power battery top cover structure and power battery pole thereof - Google Patents
Power battery top cover structure and power battery pole thereof Download PDFInfo
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- CN216980717U CN216980717U CN202122940304.4U CN202122940304U CN216980717U CN 216980717 U CN216980717 U CN 216980717U CN 202122940304 U CN202122940304 U CN 202122940304U CN 216980717 U CN216980717 U CN 216980717U
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Abstract
According to the power battery top cover structure and the power battery pole thereof disclosed by the utility model, the first bulge which is obliquely turned out outwards is arranged on the battery pole, the battery pole is arranged in the pole hole of the top cover plate, then the injection molding is carried out between the pole hole and the battery pole to protect the outer peripheral sides of the first bulge and the battery pole, and meanwhile, the inner wall of the pole hole is coated to finish the fixed installation of the battery pole.
Description
Technical Field
The utility model relates to the technical field of power lithium batteries, in particular to a power battery top cover structure and a power battery pole thereof.
Background
Power battery utmost point post is the power battery who is mainly applied to in the new energy automobile, and power battery mainly stores the electric energy of input, power supply when in preparation for new energy automobile to travel, however among the prior art utmost point post passes through stamping forming, be equipped with the aluminium ring again and install, when installing on the top cap piece, must install on the top cap piece through aluminium ring and welding process, consequently, the corresponding accessory of above-mentioned battery utmost point post is more, lead to comparatively taking time in utmost point post installation, and it is bad to take place the welding easily among the welding process, and manufacturing cost is higher moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical defects and provides a top cover structure of a power battery and a power battery pole thereof.
The utility model discloses a power battery pole which comprises a pole body, wherein the pole body comprises a column body part and a connecting part positioned on the column body part, the connecting part comprises a first bulge positioned on the root part of the column body part or the peripheral side surface of the column body part and a second bulge positioned on the column body part, and a clamping concave part for limiting the axial movement of the pole body is formed between the first bulge and the second bulge.
Wherein, the utmost point post body adopts aluminium material or copper aluminium composite material to make.
Preferably, the column part, the first protrusion or the second protrusion is provided with a plurality of third limiting parts for limiting circumferential rotation of the pole body.
Preferably, the second protrusion is inclined outward, and a concave portion is formed between the second protrusion and the outer wall of the column portion.
Preferably, the second protrusion is provided with a third protrusion.
Preferably, the second projection comprises a tapered ring body having an upper end diameter greater than a lower end diameter.
Preferably, the third restriction comprises a first recess or a first projection.
On the other hand, the top cover structure of the power battery comprises a top cover plate and at least one power battery pole as described above, wherein the top cover plate comprises at least one pole hole, the power battery pole is arranged in the pole hole, an insulating interlayer is formed between the power battery pole and the pole hole in an injection molding manner, a clamping block extending towards the inside of the pole hole is arranged at the edge of the pole hole opening, an accommodating part, a clamping recess, a clamping bulge positioned in the accommodating part, a first inward-concave positioning part and a second inward-concave positioning part are arranged on the insulating interlayer, the clamping block is correspondingly embedded into the clamping recess, the connecting part of the power battery pole is accommodated in the accommodating part, and the clamping bulge is embedded into the clamping concave part of the power battery pole, the first bulge of the power battery pole is correspondingly embedded into the first concave positioning part, and the second bulge of the power battery pole is correspondingly embedded into the second concave positioning part.
Preferably, a blocking piece is arranged on the upper side of the opening of the clamping recess and is attached to the outer wall of the clamping block.
Preferably, a first bump is arranged on the first protrusion of the power battery pole, a first positioning indent is arranged on the inner wall of the first indent positioning portion, and the first bump is correspondingly embedded into the first positioning indent, or a first recess is arranged on the first protrusion of the power battery pole, a first positioning bump is arranged on the inner wall of the first indent positioning portion, and the first positioning bump is correspondingly embedded into the first recess.
Preferably, the upper inner wall of the accommodating part is provided with a protruding part which is correspondingly embedded into a lower concave part of the power battery, the second concave positioning part is obliquely arranged and matched with the obliquely arranged second protrusion, and the third protrusion of the power battery pole is correspondingly embedded into the third concave positioning part of the second concave positioning part.
Preferably, the second concave positioning part is a conical annular cavity with the diameter of the upper end larger than that of the lower end, and the conical ring body of the power battery pole is correspondingly embedded into the conical annular cavity for positioning.
Preferably, the insulating interlayer is provided with a step body, the pole hole is provided with a limit step, and the step body and the limit step are mutually clamped.
Preferably, the pole hole is further provided with a second bump, the insulating interlayer is further provided with a second recess, or the pole hole is further provided with a second recess, the insulating interlayer is further provided with a second bump, and the second bump is correspondingly embedded into the second recess.
According to the power battery top cover structure and the power battery pole thereof, provided by the utility model, the battery pole is arranged in the pole hole of the top cover plate through the arrangement of the first protrusion, the second protrusion and the clamping concave part, and then the insulation interlayer is formed between the pole hole and the battery pole through injection molding so as to realize the installation on the top cover plate, so that the installation accessories are reduced, the production cost is reduced, the production efficiency is improved, and meanwhile, the yield and the product quality are greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is an exploded view (one);
FIG. 3 is an exploded view (two);
fig. 4 is an exploded view (three).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example (b):
as shown in the drawings, the power battery pole described in this embodiment includes a pole body, where the pole body includes a cylindrical portion 11 and a connecting portion 12 located on the cylindrical portion 11, the connecting portion 12 includes a first protrusion 121 located on a root of the cylindrical portion 11 or on a circumferential side surface of the cylindrical portion 11, and a second protrusion 122 located on the cylindrical portion 11, and a clamping recess 123 for limiting axial movement of the pole body is formed between the first protrusion 121 and the second protrusion 122. Wherein, utmost point post body adopts aluminium material or the compound material of copper aluminium to make to aluminium material or the compound material of copper aluminium carry out integral type stamping forming this embodiment utmost point post structure, general aluminium material utmost point post is as positive post 100, and the compound material utmost point post of copper aluminium is as negative pole post 200, and the top surface middle part of utmost point post is provided with the pit, and wherein the protruding 122 of second is also annular bulge loop, and sets up 11 roots in post portion.
Preferably, a plurality of third limiting portions for limiting circumferential rotation of the pole body are arranged on the column portion 11, the first protrusion 121 or the second protrusion 122, and the third limiting portions are preferably multiple, so as to enhance positioning performance of the pole body when the pole is mounted on the top cover, specifically, the third limiting portions include first recesses 126 or first protrusions, and preferably adopt a structure of the first recesses 126.
In this embodiment, second arch 122 is the slope setting to the outside, is provided with third arch 124 on the second arch 122, forms concave part 125 down between second arch 121 and the 11 outer walls of cylinder, and its structural design is convenient for carry out the plastic and mould plastics between utmost point post hole 31 and utmost point post, promotes production performance to it is better to make utmost point post pass through the fastness that plastic and utmost point post hole 31 are connected, prevents to take place the condition that plastics drop in the use.
Preferably, the second protrusion 122 comprises a tapered ring body having an upper end diameter greater than a lower end diameter.
On the other hand, a power battery top cover structure is obtained based on the power battery pole structure, and specifically comprises a top cover plate 3 and at least one power battery pole as described above, the top cover plate 3 comprises at least one pole hole 31, the power battery pole is arranged in the pole hole 31, an insulating interlayer 2 is injection molded between the power battery pole and the pole hole 31, a clamping block 32 extending towards the inside of the pole hole 31 is arranged at the edge of the pole hole 31, an accommodating part 21, a clamping recess 214, a clamping protrusion 213 positioned in the accommodating part 21, a first concave positioning part 211 and a second concave positioning part 212 are arranged on the insulating interlayer 2, the clamping block 32 is correspondingly embedded in the clamping recess 214, and the clamping block 32 and the clamping recess 214 are both in an annular structure; the connecting part 12 of the power battery pole is accommodated in the accommodating part 21, and the clamping protrusion 213 is embedded in the clamping concave part 123 of the power battery pole, the first protrusion 121 of the power battery pole is correspondingly embedded in the first concave positioning part 211, and the second protrusion 122 of the power battery pole is correspondingly embedded in the second concave positioning part 212; wherein the aluminum plate of roof-mat section 3 and screens piece 32 inter combination formation integral type structure is fixed a position aluminum plate and utmost point post in injection mold to utmost point post is arranged in utmost point post hole 31, and liquid plastic is poured into back between utmost point post and the utmost point post hole 31 this moment, forms the insulating interlayer 2 of annular structure according to die cavity structure, utmost point post hole 31 and utmost point post structure, and the cladding is on the periphery side of utmost point post.
Based on above-mentioned structural style can obtain the top cap piece 3 in two utmost point post holes 31, and have two power battery utmost point posts in two utmost point post holes 31 of top cap piece 3 respectively to set up with above-mentioned structure and fix two power battery utmost point posts in two utmost point post holes 31 respectively with the mode of moulding plastics.
Preferably, a blocking piece 215 is arranged on the upper side of the opening of the blocking recess 214, and the blocking piece 215 is attached to the outer wall of the blocking block 32; the blocking piece 215 is preferably an annular blocking piece 215, the bottom end of the annular blocking piece 215 is inserted into an annular groove at the periphery of the pole hole 31, and the structure of the blocking piece is set so that the insulating interlayer 2 can be positioned and installed on an aluminum plate more firmly and reliably, and the using performance is improved.
Preferably, the second protrusion 122 of the power battery post is provided with a first protrusion, the inner wall of the second concave positioning portion 212 is provided with a first positioning concave, and the first protrusion is correspondingly embedded into the first positioning concave, or the first protrusion 121 of the power battery post is provided with a first concave 126, the inner wall of the first concave positioning portion 211 is provided with a first positioning protrusion 218, and the first positioning protrusion 218 is correspondingly embedded into the first concave 126. Its structure makes utmost point post by circumference location on insulating interlayer 2, prevents to take place utmost point post rotation in the use and influences the problem appearance of battery performance.
In this embodiment, a protruding portion 217 is disposed on an upper inner wall of the accommodating portion 21, the protruding portion 217 is correspondingly embedded in the lower concave portion 125 of the power battery, the second concave positioning portion 212 is disposed in an inclined manner and is matched with the second protrusion 122 disposed in an inclined manner, and the third protrusion 124 of the power battery post is correspondingly embedded in the third concave positioning portion 216 of the second concave positioning portion 212. Its structural design is convenient for carry out the plastic and moulds plastics between utmost point post hole 31 and utmost point post, promotes production performance to it is better to make utmost point post pass through the fastness that plastic and utmost point post hole 31 are connected, prevents to take place the condition that plastics drop in the use, and bellying and lower concave part are the loop configuration.
Preferably, the second concave positioning portion 212 is a tapered annular cavity with an upper end diameter larger than a lower end diameter, and the tapered ring body of the power battery post is correspondingly embedded into the tapered annular cavity for positioning.
In this embodiment, the insulating interlayer 2 is provided with the step body 23, the pole hole 31 is provided with the limiting step 312, and the step body 23 and the limiting step 312 are mutually clamped, so that the insulating interlayer 2 is more reliably positioned by the structure, and the structural strength is improved.
Preferably, the pole hole 31 is further provided with a second bump 22, the insulating interlayer 2 is further provided with a second recess 311, or the pole hole 31 is further provided with a second recess 311, the insulating interlayer 2 is further provided with a second bump 22, and the second bump 22 is correspondingly embedded into the second recess 311. Its structure makes insulating interlayer 2 by circumference location on utmost point post hole 31, prevents to take place insulating interlayer 2 rotation in the use and influences the problem appearance of battery performance.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (12)
1. The utility model provides a power battery utmost point post, its characterized in that, includes utmost point post body, and utmost point post body includes column body portion (11), is located connecting portion (12) on column body portion (11), and connecting portion (12) are including root or the first arch (121) on column body portion (11) week side face that is located column body portion (11) and the second arch (122) that is located column body portion (11), are formed with screens concave part (123) of restriction utmost point post body axial float between first arch (121) and second arch (122).
2. The power battery pole according to claim 1, wherein a plurality of third limiting parts for limiting circumferential rotation of the pole body are arranged on the column body part (11), the first protrusion (121) or the second protrusion (122); the third restriction includes a first recess (126) or a first protrusion.
3. The pole of the power battery as claimed in claim 2, wherein the second protrusion (122) is disposed to be inclined outward, and a lower recess (125) is formed between the second protrusion (122) and the outer wall of the cylindrical portion (11).
4. A power cell pole as claimed in claim 3, wherein the second projection (122) comprises a conical ring body having an upper end diameter greater than a lower end diameter.
5. A power battery pole according to any of claims 1-4, characterized in that the second protrusion (122) is provided with a third protrusion (124).
6. A top cover structure of a power battery is characterized by comprising a top cover plate (3) and at least one power battery pole column according to any one of claims 1 to 5, wherein the top cover plate (3) comprises at least one pole column hole (31), the power battery pole column is arranged in the pole column hole (31), an insulating interlayer (2) is formed between the power battery pole column and the pole column hole (31) in an injection molding mode, a clamping block (32) extending towards the inside of the pole column hole (31) is arranged at the edge of the pole column hole (31), an accommodating part (21), a clamping recess (214), a clamping protrusion (213) positioned in the accommodating part (21), a first concave positioning part (211) and a second concave positioning part (212) are arranged on the insulating interlayer (2), the clamping block (32) is correspondingly embedded in the clamping recess (214), and a connecting part (12) of the power battery pole column is accommodated in the accommodating part (21), and the clamping bulge (213) is embedded into the clamping concave part (123) of the power battery pole, the first bulge (121) of the power battery pole is correspondingly embedded into the first concave positioning part (211), and the second bulge (122) of the power battery pole is correspondingly embedded into the second concave positioning part (212).
7. The top cover structure of the power battery as claimed in claim 6, wherein a stop piece (215) is arranged on the upper side of the opening of the clamping recess (214), and the stop piece (215) is attached to the outer wall of the clamping block (32).
8. The top cover structure of the power battery according to claim 6, wherein a first bump is disposed on the first protrusion (121) of the power battery post, a first positioning indent is disposed on an inner wall of the first indent positioning portion (211), and the first bump is correspondingly embedded into the first positioning indent, or a first recess (126) is disposed on the first protrusion (121) of the power battery post, a first positioning bump (218) is disposed on an inner wall of the first indent positioning portion (211), and the first positioning bump (218) is correspondingly embedded into the first recess (126).
9. The top cover structure of the power battery according to claim 6, wherein a raised portion (217) is arranged on the upper inner wall of the accommodating portion (21), the raised portion (217) is correspondingly embedded in the lower concave portion (125) of the power battery, the second concave positioning portion (212) is obliquely arranged and matched with the obliquely arranged second raised portion (122), and the third raised portion (124) of the power battery post is correspondingly embedded in the third concave positioning portion (216) of the second concave positioning portion (212).
10. The top cover structure of the power battery as claimed in claim 9, wherein the second concave positioning portion (212) is a tapered annular cavity with a diameter larger at the upper end than at the lower end, and the tapered ring body of the power battery post is correspondingly inserted into the tapered annular cavity for positioning.
11. The top cover structure of the power battery according to claim 6, wherein the insulating interlayer (2) is provided with a step body (23), the pole hole (31) is provided with a limiting step (312), and the step body (23) and the limiting step (312) are mutually clamped.
12. The top cover structure of the power battery is characterized in that a second bump (22) is further arranged on the pole hole (31), a second recess (311) is further arranged on the insulating interlayer (2), or a second recess (311) is further arranged on the pole hole (31), a second bump (22) is further arranged on the insulating interlayer (2), and the second bump (22) is correspondingly embedded into the second recess (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940304.4U CN216980717U (en) | 2021-11-23 | 2021-11-23 | Power battery top cover structure and power battery pole thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940304.4U CN216980717U (en) | 2021-11-23 | 2021-11-23 | Power battery top cover structure and power battery pole thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980717U true CN216980717U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122940304.4U Active CN216980717U (en) | 2021-11-23 | 2021-11-23 | Power battery top cover structure and power battery pole thereof |
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| CN (1) | CN216980717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275532A (en) * | 2022-09-30 | 2022-11-01 | 宁波震裕科技股份有限公司 | Manufacturing method of top cover structure of power battery and top cover structure thereof |
| CN115320007A (en) * | 2022-10-13 | 2022-11-11 | 宁波震裕科技股份有限公司 | Injection molding pole post forming method and power battery top cover structure |
-
2021
- 2021-11-23 CN CN202122940304.4U patent/CN216980717U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275532A (en) * | 2022-09-30 | 2022-11-01 | 宁波震裕科技股份有限公司 | Manufacturing method of top cover structure of power battery and top cover structure thereof |
| CN115320007A (en) * | 2022-10-13 | 2022-11-11 | 宁波震裕科技股份有限公司 | Injection molding pole post forming method and power battery top cover structure |
| CN115320007B (en) * | 2022-10-13 | 2023-02-10 | 宁波震裕科技股份有限公司 | Injection molding pole post forming method and power battery top cover structure |
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