CN213278205U - Novel power battery top cap - Google Patents
Novel power battery top cap Download PDFInfo
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- CN213278205U CN213278205U CN202022741404.XU CN202022741404U CN213278205U CN 213278205 U CN213278205 U CN 213278205U CN 202022741404 U CN202022741404 U CN 202022741404U CN 213278205 U CN213278205 U CN 213278205U
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- power battery
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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
Abstract
The utility model belongs to the technical field of power batteries, discloses a novel power battery top cover, and particularly relates to a power battery cover plate with a function of safely preventing the separation risk of a pole, which comprises a body and a pole component, wherein the pole component comprises a connecting sheet and a pole body; the body is provided with a pole hole for mounting a pole; the first surface of the body is provided with a plurality of first step columns, and the narrow surfaces of the first step columns are arranged close to one side of the body; the connecting piece is provided with a plurality of first step holes matched with the first step columns, the first step columns are connected to the first step holes in a clamping mode, and the first step columns are plastic columns for hot melting welding. Through a plurality of first step post counterpoint corresponding first step hole respectively, realize utmost point post subassembly to through the mode of hot melt welding, make first step post block connect in first step hole, utilize the plastic body under the molten condition to flow into the downthehole back condensation shaping of first step, realize the accurate location of utmost point cylinder, locate mode convenient and fast, it is effectual to weld.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a novel power battery top cap.
Background
A battery refers to a device that converts chemical energy into electrical energy by holding a portion of a space in which an electrolyte solution and metal electrodes generate electric current. Generally, a battery is generally provided with a terminal for leading out a positive/negative electrode, and a battery cover for fixing the terminal.
In the prior art, a battery pole is fixedly connected with a battery cover plate through a welding groove welded on the battery cover plate; the welding method has the defects that the welding surface of the pole and the battery cover plate is difficult to position, the welding deviation of the pole is caused, and the welding effect is poor.
In view of this, it is necessary to improve the top cover of the power battery in the prior art to solve the problems of welding deviation and poor welding effect caused by inaccurate positioning of the welding surface between the post and the battery cover plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel power battery top cap solves above technical problem.
To achieve the purpose, the utility model adopts the following technical proposal:
a novel power battery top cover comprises a body and a pole assembly, wherein the pole assembly comprises a connecting sheet and a pole cylinder fixedly connected to the connecting sheet;
the body is provided with a pole column hole for mounting the pole column, one end of the pole column body penetrates through the pole column hole from the first surface of the body and extends out of the second surface of the body, and the connecting sheet is attached to the first surface of the body;
a plurality of first step columns are arranged on the first surface of the body, and narrow surfaces of the first step columns are arranged close to one side of the body; the connecting piece is provided with a plurality of first step holes matched with the first step columns, the first step columns are connected to the first step holes in a clamping mode, and the first step columns are plastic columns used for hot melting welding.
Optionally, the body includes a battery cover plate and a lower plastic plate stacked in sequence from top to bottom, the lower plastic plate includes the first stepped hole, and the lower plastic plate is fixedly connected to the connecting sheet;
a plurality of second step columns are arranged on one surface, close to the battery cover plate, of the lower plastic plate, a plurality of second step holes matched with the second step columns are arranged on one surface, close to the lower plastic plate, of the battery cover plate, and the second step columns are connected to the second step holes in a clamping mode; and the second step column is a plastic column for hot melt welding.
Optionally, a sealing ring is sleeved on the pole column body, a gap space is formed between the pole column hole and the pole column body, and the sealing ring is blocked in the gap space.
Optionally, the pole column body is sequentially sleeved with a fixed block and an upper plastic body from top to bottom,
the second surface of the body is provided with a first boss surrounding the pole hole, one surface of the upper plastic body close to the body is provided with a first clamping groove matched with the first boss, and the first boss is clamped and connected with the first clamping groove;
the fixed block is close to a surface of body is provided with the second boss, go up the plastic body and keep away from a surface of body be provided with second boss assorted second joint groove, second boss block connect in second joint groove.
Optionally, the one end fixedly connected with stopper of utmost point cylinder, the fixed block is kept away from a surface of body has seted up the mounting groove, the stopper with the cell wall fixed connection of mounting groove.
Optionally, a riveting hole is axially formed in the pole column body in a penetrating manner, and the limiting block is riveted to the riveting hole;
the fixing block is made of copper-aluminum composite materials, and the fixing block is welded with the side wall of the mounting groove.
Optionally, still include explosion-proof valve, explosion-proof valve set up in the second surface of body, explosion-proof valve including explosion-proof nick with encircle in the strengthening rib that explosion-proof nick set up.
Compared with the prior art, the utility model discloses following beneficial effect has: through a plurality of first step post respectively corresponding to the counterpoint first step hole realizes utmost point post subassembly to through the mode of hot melt welding, make first step post block connect in first step hole, utilize the plastic body under the molten condition to flow into the downthehole back condensation shaping of first step, realize the accurate location of utmost point cylinder, locate mode convenient and fast, it is effectual to weld.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
Fig. 1 is a schematic cross-sectional structure diagram of the novel power battery top cover.
Fig. 2 is a schematic view of the overall structure of the novel power battery top cover.
Fig. 3 is one of the exploded structural diagrams of the top cover of the novel power battery.
Fig. 4 is a second schematic view of the top cover of the novel power battery with an exploded structure.
Fig. 5 is a schematic exploded view of another embodiment of the top cover of the novel power battery.
Illustration of the drawings: body 1, utmost point post subassembly 2, sealing washer 3, fixed block 4, go up plastic body 5, stopper 6, utmost point post hole 11, battery apron 12, plastic board 13 down, connection piece 21, utmost point post body 22, second boss 41, mounting groove 42, first joint groove 51, second joint groove 52, second step hole 121, first boss 122, first step post 131, second step post 132, first step hole 211, riveting hole 221.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The utility model provides a novel power battery top cover, which comprises a body 1 and a pole component 2, wherein the pole component 2 comprises a connecting sheet 21 and a pole column body 22 fixedly connected on the connecting sheet 21;
the body 1 is provided with a pole post hole 11 for mounting the pole post, one end of the pole post body 22 penetrates through the pole post hole 11 from the first surface of the body 1 and extends out of the second surface of the body 1, and the connecting sheet 21 is attached to the first surface of the body 1;
a plurality of first step columns 131 are arranged on the first surface of the body 1, and the narrow surfaces of the first step columns 131 are arranged close to one side of the body 1; the connecting piece 21 is provided with a plurality of first step holes 211 matched with the first step columns 131, the first step columns 131 are clamped and connected with the first step holes 211, and the first step columns 131 are plastic columns for hot melting welding.
When the pole assembly works, the connecting piece 21 of the pole assembly 2 is arranged close to the body 1, so that the pole column body 22 is inserted into the pole column hole 11, and the first step columns 131 correspond to the first step holes 211; then, ultrasonically melting the first step column 131, pressing the melted first step column 131 into the first step hole 211, and after cooling, fastening and connecting the first step column 131 to the first step hole 211, so that the pole assembly 2 is fixedly connected to the body 1; during installation, the first step columns 131 are respectively aligned with the corresponding first step holes 211, so that the alignment of the pole assembly 2 is realized, the first step columns 131 are connected to the first step holes 211 in a clamping manner in a hot melting welding manner, and a plastic body in a molten state flows into the first step holes 211 and is condensed and formed, so that the precise positioning of the pole column body 22 is realized, the positioning manner is convenient and rapid, and the welding effect is good; meanwhile, the step surface of the first step pillar 131 is engaged with the step surface of the first step pillar 131, and the tensile strength is good.
Specifically, the body 1 comprises a battery cover plate 12 and a lower plastic plate 13 which are sequentially stacked from top to bottom, the lower plastic plate 13 comprises the first step column 131, and the lower plastic plate 13 is fixedly connected with the connecting sheet 21;
a plurality of second step pillars 132 are disposed on a surface of the lower plastic plate 13 close to the battery cover plate 12, a plurality of second step holes 121 matched with the second step pillars 132 are disposed on a surface of the battery cover plate 12 close to the lower plastic plate 13, and the second step pillars 132 are connected to the second step holes 121 in a clamping manner; and the second step post 132 is a plastic post for thermal fusion welding. Two preferable setting modes of the second step pillar 132 are: firstly, referring to fig. 3, the periphery of the boss on the lower plastic plate 13 is uniformly distributed; secondly, as can be seen from fig. 5, the upper surface or the periphery of the boss on the lower plastic plate 13 is uniformly distributed; the second step column 132 is used for connecting the lower plastic plate 13 and the battery cover plate 12, and the structural stability of the top cover of the power battery is improved.
When the battery cover plate is in operation, the lower plastic plate 13 is attached to the battery cover plate 12, so that the second stepped column 132 corresponds to the second stepped hole 121; and melting the second step post 132 by using ultrasonic waves, pressing the melted second step post 132 into the second step hole 121, and after cooling, fastening and connecting the second step post 132 to the second step hole 121. The second stepped columns 132 are respectively aligned with the corresponding second stepped holes 121, so that the battery cover plate 12 and the lower plastic plate 13 are aligned, and the second stepped columns 132 are clamped and connected with the second stepped holes 121 in a hot melting welding manner, so that the positioning manner is convenient and rapid, and the welding effect is good; meanwhile, the step surface of the second step pillar 132 is engaged with the step surface of the second step pillar 132, so that the power battery top cover has good tensile strength.
Further, the pole column body 22 is sleeved with a sealing ring 3, a gap space is formed between the pole column hole 11 and the pole column body 22, and the sealing ring 3 is blocked in the gap space. The sealing ring 3 is used for ensuring the air tightness of the battery cover plate 12, thereby ensuring the safety performance of the battery.
In this embodiment, the pole column 22 is sequentially sleeved with a fixing block 4 and an upper plastic body 5 from top to bottom,
a first boss 122 is arranged on the second surface of the body 1 around the pole column hole 11, a first clamping groove 51 matched with the first boss 122 is arranged on one surface, close to the body 1, of the upper plastic body 5, and the first boss 122 is clamped and connected to the first clamping groove 51;
the fixed block 4 is close to a surface of body 1 is provided with second boss 41, go up plastic body 5 and keep away from a surface of body 1 be provided with second boss 41 assorted second joint groove 52, second boss 41 block connect in second joint groove 52.
Further, one end of the pole cylinder 22 is fixedly connected with a limiting block 6, a mounting groove 42 is formed in one surface, far away from the body 1, of the fixing block 4, and the limiting block 6 is fixedly connected with the groove wall of the mounting groove 42. Fix block 4 and last plastic body 5 are pressfitting through stopper 6, with fix block 4 and last plastic body 5 fixed mounting in the second surface of body 1, the sound construction is stable.
In this embodiment, the pole column 22 is axially provided with a riveting hole 221, and the stopper 6 is riveted to the riveting hole 221.
Optionally, a riveting hole 221 is axially formed in the pole cylinder 22 in a penetrating manner, and the limit block 6 is riveted to the riveting hole 221;
the fixed block 4 is made of copper-aluminum composite materials, and the fixed block 4 is welded with the side wall of the mounting groove 42.
Optionally, still include explosion-proof valve 7, explosion-proof valve 7 set up in the second surface of body 1, explosion-proof valve 7 include explosion-proof nick and surround in the strengthening rib that explosion-proof nick set up.
The limiting block 6 and the fixing block 4 are fixedly connected in a welding mode, so that the structural stability of the battery cover plate is improved, and the riveting of the limiting block 6 is not easy to loosen; meanwhile, the fixing block 4 is made of copper-aluminum composite materials so as to guarantee the welding effect, and aluminum materials are selected at the non-welding position so as to save the cost.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The novel power battery top cover is characterized by comprising a body (1) and a pole assembly (2), wherein the pole assembly (2) comprises a connecting sheet (21) and a pole cylinder (22) fixedly connected to the connecting sheet (21);
the pole column body (1) is provided with a pole column hole (11) for mounting the pole column, one end of the pole column body (22) penetrates through the pole column hole (11) from the first surface of the body (1) and extends out of the second surface of the body (1), and the connecting sheet (21) is attached to the first surface of the body (1);
a plurality of first step columns (131) are arranged on the first surface of the body (1), and narrow surfaces of the first step columns (131) are arranged close to one side of the body (1); the connecting piece (21) is provided with a plurality of first step holes (211) matched with the first step columns (131), the first step columns (131) are clamped and connected with the first step holes (211), and the first step columns (131) are plastic columns for hot melting welding.
2. The novel power battery top cover is characterized in that the body (1) comprises a battery cover plate (12) and a lower plastic plate (13) which are sequentially stacked from top to bottom, the lower plastic plate (13) comprises the first stepped hole (211), and the lower plastic plate (13) is fixedly connected with the connecting sheet (21);
a plurality of second step columns (132) are arranged on one surface, close to the battery cover plate (12), of the lower plastic plate (13), a plurality of second step holes (121) matched with the second step columns (132) are arranged on one surface, close to the lower plastic plate (13), of the battery cover plate (12), and the second step columns (132) are connected to the second step holes (121) in a clamping mode; and the second step pillar (132) is a plastic pillar for thermal fusion welding.
3. The novel power battery top cover according to claim 1, characterized in that a sealing ring (3) is sleeved on the pole cylinder (22), a clearance space is formed between the pole cylinder hole (11) and the pole cylinder (22), and the sealing ring (3) is blocked in the clearance space.
4. The novel power battery top cover according to claim 1, characterized in that the pole cylinder (22) is sequentially sleeved with a fixing block (4) and an upper plastic body (5) from top to bottom;
a first boss (122) is arranged on the second surface of the body (1) in a way of surrounding the pole column hole (11), a first clamping groove (51) matched with the first boss (122) is arranged on one surface, close to the body (1), of the upper plastic body (5), and the first boss (122) is clamped and connected with the first clamping groove (51);
fixed block (4) are close to a surface of body (1) is provided with second boss (41), go up plastic body (5) and keep away from a surface of body (1) be provided with second boss (41) assorted second joint groove (52), second boss (41) block connect in second joint groove (52).
5. The novel power battery top cover according to claim 4, characterized in that a limiting block (6) is fixedly connected to one end of the pole cylinder (22), an installation groove (42) is formed in one surface, away from the body (1), of the fixing block (4), and the limiting block (6) is fixedly connected with the groove wall of the installation groove (42).
6. The novel power battery top cover is characterized in that a riveting hole (221) penetrates through the pole column body (22) in the axial direction, and the limiting block (6) is riveted to the riveting hole (221);
the fixing block (4) is made of copper-aluminum composite materials, and the fixing block (4) is welded with the side wall of the mounting groove (42).
7. The novel power battery top cover according to claim 1, characterized by further comprising an explosion-proof valve (7), wherein the explosion-proof valve (7) is arranged on the second surface of the body (1), and the explosion-proof valve (7) comprises an explosion-proof notch and a reinforcing rib arranged around the explosion-proof notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741404.XU CN213278205U (en) | 2020-11-24 | 2020-11-24 | Novel power battery top cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741404.XU CN213278205U (en) | 2020-11-24 | 2020-11-24 | Novel power battery top cap |
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| Publication Number | Publication Date |
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| CN213278205U true CN213278205U (en) | 2021-05-25 |
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| CN202022741404.XU Active CN213278205U (en) | 2020-11-24 | 2020-11-24 | Novel power battery top cap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112331974A (en) * | 2020-11-24 | 2021-02-05 | 江苏阿李动力科技有限公司 | Novel power battery top cover and processing technology thereof |
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2020
- 2020-11-24 CN CN202022741404.XU patent/CN213278205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112331974A (en) * | 2020-11-24 | 2021-02-05 | 江苏阿李动力科技有限公司 | Novel power battery top cover and processing technology thereof |
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