CN211480089U - Do benefit to button cell packaging structure who promotes assembly stability - Google Patents
Do benefit to button cell packaging structure who promotes assembly stability Download PDFInfo
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- CN211480089U CN211480089U CN202020089361.9U CN202020089361U CN211480089U CN 211480089 U CN211480089 U CN 211480089U CN 202020089361 U CN202020089361 U CN 202020089361U CN 211480089 U CN211480089 U CN 211480089U
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- cover body
- button cell
- upper cover
- packaging structure
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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 relates to a button cell packaging structure which is beneficial to improving the assembly stability, comprising an annular blank pressing area arranged at the edge of the top surface of a lower cover body; comprises a top sealing glue layer, and the outer surface of the top sealing glue layer is tightly attached to the top of the upper cover body; the upper cover flanging part is arranged at the edge of the top of the upper cover body and enables the upper cover body to tightly press the lower cover body by downwards pressing the top sealing glue layer; and the side wall surface sealing glue layer covers the outer surface of the outer wall surface of the lower cover body. The utility model discloses an adopt reasonable assembly structure, make earlier the sealing layer of moulding plastics set up in lid top surface outward flange and lateral wall face down, then together pack into the lid again, press the mouth through last lid upper edge and receive the limit and compress tightly the sealing layer of moulding plastics of lid top surface outward flange down to form rigorous packaging structure, improved button cell packaging structure's stability, especially can avoid the destruction because of proruption explosion situation to lid and battery whole bringing.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a do benefit to button cell packaging structure who promotes assembly stability.
Background
Button cells belong to one of the common battery types, and the application range of button cells comprises power supplies of various electronic devices and electronic products. As known to those skilled in the art, when various battery products and their peripheral technologies are developed, various research and development directions are based on the stability of the product structure, and only the assembly structure thereof meets the application requirements, the research and development are considered from various directions in the battery technology field. The utility model discloses technical scheme's research and development personnel also design this principle, and the technical scheme who proposes relates to rechargeable button cell self structural assembly's stability.
The conventional button cell housing package structure of those skilled in the art generally adopts a structure of an upper cover body and a lower cover body, the upper cover body and the button cell are placed into the lower cover body or the lower cover body together to bear the button cell and then are placed into the upper cover body, and then a sealant is injected into a gap between the side walls of the upper cover body and the lower cover body to form a sealing layer, so as to form the package structure. The encapsulation of its sealed glue of packaging structure then needs upper and lower lid after accurately making up, seeks the gap department and seals, is used for guaranteeing like this that upper and lower lid can not take place to shift, has brought certain complexity to the encapsulation process. Moreover, after long-time use, the encapsulation structure is easy to cause the position of the upper cover body and the lower cover body to be unstable due to the fact that the injection molding of the sealant at the gap is not uniform enough or the sealing layer is not stable enough; especially, when the packaging structure is applied to an explosion-proof button cell, once an explosion condition occurs, the packaging structure can easily cause the damage of the side wall surface of the cover body, further causing damage to industrial electronic equipment using the packaging structure, and even causing the failure of the whole industrial electronic equipment or the whole production line due to the explosion of the button cell under a serious condition, thereby causing the obstruction of the production and processing flow.
Synthesize above analysis, the utility model discloses on current well-known technique's basis, combine practical application's experience summary, propose further optimization to the product packaging structure in rechargeable button cell (especially explosion-proof battery) technical field, it is regional to set up the annular blank pressing that the round is used for moulding plastics through the top surface outward flange in lower lid, mould plastics through the blank pressing region territory in the outer wall of lower lid and lower lid top surface, form the sealing layer, upwards in the upper cover that has the hem again, thereby form rigorous packaging structure, button cell packaging structure's stability has been improved. Therefore, the technical solution provided can alleviate, partially solve or completely solve the problems existing in the prior art, and simultaneously the utility model discloses the technical solution also is in order to satisfy the performance demand of technical staff to the battery when using electronic equipment in the button cell field.
SUMMERY OF THE UTILITY MODEL
For overcoming above-mentioned problem or at least partly solve or slowly subtract and solve above-mentioned problem, the utility model provides a do benefit to button cell packaging structure who promotes assembly stability, it is through adopting reasonable assembly structure, makes the sealing layer of moulding plastics earlier set up in lid top surface outward flange and lateral wall face down, presses the sealing layer of moulding plastics that mouthful receipts limit compresses tightly lid top surface outward flange down through last lid upper edge to form rigorous packaging structure, improved button cell packaging structure's stability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a do benefit to button cell packaging structure who promotes assembly stability, its upper cover body constitutes the cavity that is used for holding button cell with lower lid fixed connection, and this button cell packaging structure includes:
the annular edge pressing area is arranged at the edge of the top surface of the lower cover body, and the height of the plane of the annular edge pressing area is lower than that of the top surface of the lower cover body;
the top sealing glue layer is injected into a ring structure along the edge of the top surface, and the outer surface of the top sealing glue layer is tightly attached to the top of the upper cover body;
the upper cover flanging part is arranged at the edge of the top of the upper cover body, and the upper cover body is pressed against the lower cover body by downwards pressing the top sealing glue layer, so that a horizontal packaging part is formed between the top surfaces of the upper cover body and the lower cover body;
and the side wall surface sealing glue layer covers the outer surface of the outer wall surface of the lower cover body, and a vertical packaging part is formed between the upper cover body and the side wall surface of the lower cover body.
For the above technical solutions, on the premise of the same concept, those skilled in the art can also implement corresponding technical means to form corresponding technical solutions, including:
the upper cover folding edge part is downwards compressed above the sealing adhesive layer of the annular blank pressing area, so that a top fixing structure is formed on the top surface of the lower cover body;
the inner wall surface of the upper cover body is provided with an inner pressure fixing part facing to the center part of the button cell and used for compressing the sealing adhesive layer.
If the anti-explosion button cell is applied to the anti-explosion button cell, at least one anti-explosion groove is formed in the inner surface of the lower cover body;
for the explosion-proof groove, the groove can be formed by laser engraving;
for the explosion-proof groove, an arc-shaped structure can be preferably adopted;
for the explosion-proof groove, it is preferable to be disposed at the edge position of the top surface of the upper cover body or the bottom surface of the lower cover body.
In addition, the injection molding sealing part and the upper cover body form an anti-expansion structure for the button cell.
For the injection molding sealing part, an integral injection molding mode can be adopted.
The utility model discloses an adopt reasonable assembly structure, make the sealing layer of moulding plastics set up in lid top surface outward flange and lateral wall face down, then together pack into the lid again, press the mouth through last lid upper edge and receive the limit and compress tightly the sealing layer of moulding plastics of lid top surface outward flange down, form rigorous packaging structure, improved button cell packaging structure's stability, especially can avoid because of the proruption explosion situation to the lid and the whole destruction that brings of battery.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic longitudinal sectional view of a button cell packaging structure beneficial to improving assembly stability, according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion 1A of FIG. 1;
FIG. 3 is a schematic view of a conventional button cell package;
fig. 4 is a schematic diagram of a button cell packaging structure beneficial to improving assembly stability, which is implemented by the invention, in a state of being installed in a button cell;
fig. 5 is an exploded view of a button cell package structure in an application state, which is beneficial to improving assembly stability according to the present invention;
fig. 6 is a schematic view of a button cell package structure with an internal pressure fixing portion for improving assembly stability according to a second embodiment of the present invention;
fig. 7 is an enlarged schematic view of a portion 6A of fig. 6.
In the figure:
1. the upper cover is folded;
2. an annular blank pressing area;
3. sealing the adhesive layer;
4. an explosion-proof groove;
5. a button cell;
6. an internal pressure fixing part;
7. pressing points;
100. an upper cover body;
200. a lower cover body;
300. and a sealing part.
Detailed Description
The utility model discloses what plan to implement does benefit to button cell packaging structure who promotes assembly stability, the aim at that the technical means implemented will reach, solve in the past button cell (especially explosion-proof battery) packaging structure because of assembly structure is unreasonable, unstable and lead to the lid easily damaged, and then bring harm to the industrial electronic equipment who uses it.
The utility model discloses technical scheme's designer provides further optimization to the product packaging structure in the technical field, through adopting reasonable assembly structure and assembly process, make earlier the sealing layer of moulding plastics set up in lid top surface outward flange and lateral wall face down, then together pack into the upper cover body, press the limit through the upper cover body upper edge and compress tightly the sealing layer of moulding plastics of lid top surface outward flange down, thereby form rigorous packaging structure, button cell packaging structure's stability has been improved, especially can avoid because of proruption explosion situation to the lid, and the destruction that the battery wholly brought.
The utility model discloses the technical scheme who implements, the corresponding position punishment through lid and lower lid under button cell (especially explosion-proof button cell) do not sets up the corresponding position that is used for the cooperation closely to encapsulate, forms the button cell packaging structure who is used for promoting whole assembly structure stability, sealing performance and uses the durability. However, besides these problems, because the button cell range that the technical solution of the present invention involves is wide, it is not convenient to limit its specific size, model and material to the button cell body in detail, all that the utility model discloses a button cell (especially explosion-proof button cell) that packaging structure can be applied to, the technical staff can all be according to the utility model discloses the technical means implemented implements easily. Therefore, including battery size, model, material, the size, the material of lid, these all belong to the conventional technical means in this field, to not being in the technical scheme scope of the utility model these conventional technical means, the utility model discloses concrete embodiment need not all refine every detail and come out, it is unrealistic if all enumerate. Obviously, the utility model discloses the technical scheme who implements is a button cell packaging structure that can let the technical staff in the field combine the reference of conventional technological means and implement in fact, and the technical staff carries out practical application and test according to different application condition and user demand according to the utility model discloses the product that technical scheme formed can actually obtain a series of advantages that it brought, and these advantages will gradually embody in following analysis to the system architecture.
As shown in fig. 1, fig. 2, fig. 4, and fig. 5, the button cell package structure beneficial to improving the assembly stability of the present invention includes an upper cover folding portion 1 disposed at the top edge of the upper cover body, and an annular edge pressing region 2 disposed at the top edge of the lower cover body and used for injection molding, wherein the annular edge pressing region 2 is recessed downward relative to the top surface of the lower cover body;
meanwhile, the implemented annular edge pressing area 2 and the outer wall surface of the lower cover body are subjected to injection molding to form a layer of sealing glue layer 3, and the formed sealing glue layer 3 is of an integral structure and comprises an injection molding sealing glue part covering the outer wall surface of the lower cover body and an injection molding sealing glue part covering the annular edge pressing area 2 at the edge of the top surface of the lower cover body;
correspondingly, the upper cover body is fixedly assembled with the lower cover body downwards, and the inner wall surface of the upper cover body presses the outer surface of the sealant layer 3, so that a vertical packaging part is formed between the upper cover body and the lower cover body by virtue of the sealant layer 3 on the wall surface;
further, before the upper cover is not assembled, the upper cover folding edge part 1 is in an upward vertical straight edge state, after the assembly is finished, the upper cover folding edge part 1 presses the edge downwards to enable the edge to be attached to the sealant layer 3 of the annular edge pressing area 2, and therefore a horizontal packaging part is formed between the upper cover body and the lower cover body through the sealant layer 3 of the upper edge area.
In addition, as shown in fig. 6-7, the outer wall surface of the upper cover body can be provided with a plurality of force application points 7 for applying pressure, and the force application points 7 on the outer wall surface can be pressed inwards to make the corresponding part of the inner wall surface of the upper cover body bulge towards the center of the button cell.
Through the analysis, the adoption of the implemented upper cover flanging part 1 and the annular flanging area 2 is favorable for forming a precise packaging structure, the stability of the assembly structure of the button cell 5 can be improved, and the upper cover body and the lower cover body are completely fixed due to the fact that the upper cover flanging part and the annular flanging area are both provided with tight sealing layers in the horizontal direction and the vertical direction, so that the side wall surfaces of the upper cover body and the lower cover body or the top surface of the upper cover are not easy to break through even if the button cell explosion phenomenon occurs, and therefore the stability of the packaging structure of the button cell 5 is improved.
The utility model discloses what technical scheme implemented does benefit to button cell packaging structure who promotes assembly stability, compared with traditional button cell packaging structure as shown in fig. 3 possesses obvious advantage, firstly, traditional button cell packaging structure mainly adopts earlier to make upper cover body 100 and lower cover body 200 carry out fixed mounting, then carry out the injection moulding in the gap department between the two walls and form injection moulding sealing portion 300, not only brought the trouble in the aspect of lid location for packaging technology, and after long-time use, this kind of packaging structure is very easy because of the sealant is in the gap department injection moulding even inadequately or the sealing layer is unstable inadequately, and directly lead to the position of upper and lower lid to produce the deviation; in order to overcome this problem, the utility model discloses then adopt the annular of being prior to lower lid outer wall face and top surface edge to mould plastics regional the formation sealing glue layer of moulding plastics, then the upper cover portion of packing into makes 1 downward hem of upper cover hem portion paste tight sealing glue layer, and obviously, this kind of packaging structure's stability strengthens greatly.
Additionally, the utility model discloses the button cell packaging structure who does benefit to promote assembly stability that implements is particularly useful for explosion-proof button cell, because explosion-proof button cell's upper and lower lid constitutes a sealed cavity, the top surface inboard of going up the lid or the bottom surface inboard of lid down set up explosion-proof groove 4 or explosion-proof hole, through using the utility model discloses the packaging structure who implements can enough ensure that the lateral wall face of lid does not receive serious explosion impact and damages, still because of the firm skew of structure between the upper and lower lid is enough to resist explosion impact, even if 4 positions in explosion-proof groove department receive explosion impact and break, also only tear one less crack, and can not make button cell fall out along the damage because of the damage that produces large tracts of land, be favorable to prolonging battery self's durability in service, also can not cause the pollution to outside electronic equipment.
In the description of the present application, the appearances of the phrases "embodiment one," "this embodiment," "specific implementation," and the like in this specification are intended to 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 invention or utility model. 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 description of the present application, the terms "connect", "mount", "fix", "set", "have", etc. are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, as in this case, for a person skilled in the art, the specific meaning of the above terms in the present invention can be understood according to specific situations.
The foregoing description of the embodiments is provided to enable any person skilled in the art to make and use the embodiments, and it is to be understood that various modifications may be readily apparent to those skilled in the art, and that the generic principles defined herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present disclosure is not limited to the above embodiments, and modifications to the following cases should be included within the scope of the present disclosure: firstly, based on the technical scheme of the utility model and combined with the new technical scheme implemented by the prior common general knowledge, the technical effect generated by the new technical scheme does not exceed the technical effect of the utility model, for example, the technical scheme formed by combining the upper cover flanging part and the lower cover annular edge pressing area is used for the packaging technical means of the button cell, and the generated expected effect does not exceed the utility model; secondly, the equivalent replacement of partial characteristics of the technical scheme of the utility model by adopting the known technology produces the same technical effect as the utility model, for example, the equivalent replacement is carried out on the size, the model and the like of the button cell; thirdly, the technical scheme of the utility model is expanded on the basis, and the essential content of the expanded technical scheme does not exceed the technical scheme of the utility model; and fourthly, the technical means obtained by utilizing the equivalent transformation made by the text record content of the utility model is applied to other related technical fields.
Claims (8)
1. The utility model provides a do benefit to button cell packaging structure who promotes assembly stability, its upper cover body constitutes the cavity that is used for holding button cell with lower lid fixed connection, its characterized in that, button cell packaging structure includes:
the annular blank pressing area is arranged at the edge of the top surface of the lower cover body, and the height of the plane of the annular blank pressing area is lower than that of the top surface of the lower cover body;
the top sealing glue layer is injected into an annular structure along the edge of the top surface, and the outer surface of the top sealing glue layer is tightly attached to the top of the upper cover body;
the upper cover flanging part is arranged at the top edge of the upper cover body, and the upper cover body is pressed against the lower cover body by pressing the top sealing glue layer downwards, so that a horizontal packaging part is formed between the upper cover body and the top surface of the lower cover body;
and the side wall surface sealing glue layer covers the outer surface of the outer wall surface of the lower cover body, and a vertical packaging part is formed between the upper cover body and the side wall surface of the lower cover body.
2. The button cell packaging structure facilitating improvement of assembly stability according to claim 1, wherein: and the upper cover folding edge part is downwards compressed above the sealing adhesive layer of the annular blank pressing area, so that a top fixing structure is formed on the top surface of the lower cover body.
3. The button cell packaging structure facilitating improvement of assembly stability according to claim 1, wherein: the inner wall surface of the upper cover body is provided with an inner pressure fixing part facing to the center of the button cell and used for compressing the sealing adhesive layer.
4. The button cell packaging structure facilitating improvement of assembly stability according to claim 3, wherein: the inner surface of the lower cover body is provided with at least one explosion-proof groove.
5. The button cell packaging structure facilitating improvement of assembly stability according to claim 4, wherein: the explosion-proof groove is formed by laser engraving.
6. The button cell packaging structure facilitating improvement of assembly stability according to claim 1, wherein: the area of the top surface of the upper cover body is smaller than that of the bottom surface of the lower cover body.
7. The button cell packaging structure facilitating improvement of assembly stability according to claim 5, wherein: the explosion-proof groove adopts an arc structure.
8. Button cell packaging structure facilitating the improvement of the assembly stability according to claim 5 or 7, characterized in that: the explosion-proof groove is arranged at the edge of the top surface of the upper cover body or the bottom surface of the lower cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020089361.9U CN211480089U (en) | 2020-01-15 | 2020-01-15 | Do benefit to button cell packaging structure who promotes assembly stability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020089361.9U CN211480089U (en) | 2020-01-15 | 2020-01-15 | Do benefit to button cell packaging structure who promotes assembly stability |
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| Publication Number | Publication Date |
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| CN211480089U true CN211480089U (en) | 2020-09-11 |
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| CN202020089361.9U Active CN211480089U (en) | 2020-01-15 | 2020-01-15 | Do benefit to button cell packaging structure who promotes assembly stability |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146370A (en) * | 2020-01-15 | 2020-05-12 | 广东中科瑞龙精密技术有限公司 | Do benefit to button cell packaging structure who promotes assembly stability |
| CN112751116A (en) * | 2021-01-27 | 2021-05-04 | 惠州市德能电池有限公司 | Explosion-proof packaging structure, button battery and packaging method thereof |
| CN112751115A (en) * | 2021-01-27 | 2021-05-04 | 惠州市德能电池有限公司 | Novel packaging structure, button battery and packaging method thereof |
-
2020
- 2020-01-15 CN CN202020089361.9U patent/CN211480089U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146370A (en) * | 2020-01-15 | 2020-05-12 | 广东中科瑞龙精密技术有限公司 | Do benefit to button cell packaging structure who promotes assembly stability |
| CN112751116A (en) * | 2021-01-27 | 2021-05-04 | 惠州市德能电池有限公司 | Explosion-proof packaging structure, button battery and packaging method thereof |
| CN112751115A (en) * | 2021-01-27 | 2021-05-04 | 惠州市德能电池有限公司 | Novel packaging structure, button battery and packaging method thereof |
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