SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a battery cover plate, this battery cover plate's the utmost point post spare prevent changeing the performance better, can avoid the relative top cap piece pivoted phenomenon of utmost point post spare to take place betterly, make things convenient for follow-up welding process, promote battery cover plate's manufacturing yield.
A second object of the present invention is to provide a battery whose post is better in rotation prevention performance and higher in use reliability.
For realizing the technical effect, the technical scheme of the utility model as follows:
the utility model discloses a battery cover plate, include: the top cover plate is provided with a pole column hole and a pressing flanging arranged around the pole column hole, and the top wall of the pressing flanging is provided with an anti-rotation notch; the polar column piece penetrates through the polar column hole, and an anti-rotation plane is arranged on the outer peripheral wall of the polar column piece; go up the plastic part, upward be equipped with first bulge loop and second bulge loop on the plastic part, first bulge loop ends to after bending on the turn-ups's of pressfitting lateral wall, the second bulge loop presss from both sides and is established after bending the pressfitting turn-ups with between the utmost point post spare, be equipped with on the lateral wall of second bulge loop with prevent changeing breach complex and prevent changeing the arch.
In some embodiments, the anti-rotation notches are arranged at intervals along the circumferential direction of the pole column hole, the anti-rotation protrusions are arranged at intervals, and the anti-rotation notches and the anti-rotation protrusions are arranged in a one-to-one correspondence manner.
In some embodiments, the rotation-preventing plane is a plurality of planes, and the plurality of planes are arranged at intervals along the circumferential direction of the pole piece.
In some embodiments, the inside wall of the pole column hole has a supporting convex ring extending towards the radial inner side, the pole piece includes a pole column body and a pole column plate, the outer circumferential wall of the pole column body abuts against the inner circumferential wall of the second convex ring, the battery cover plate further includes an insulating sealing element, the insulating sealing element is sleeved on the pole column plate, and the outer wall of the insulating sealing element abuts against the bent pressing flange, the inside wall of the pole column hole, the end face of the supporting convex ring and the inner circumferential wall of the supporting convex ring.
In some specific embodiments, the insulating seal member comprises a first seal member and a second seal member detachably connected to the pole member, wherein: the first sealing element is matched between the folded pressing flange and the supporting convex ring, and the second sealing element is matched between the supporting convex ring and the pole column plate.
In some more specific embodiments, the first sealing element includes a first sealing convex ring and a second sealing convex ring that are arranged at an interval, the first sealing convex ring is sandwiched between the folded press-fit flange and the upper surface of the pole column plate, and the second sealing convex ring is sandwiched between the lower surface of the pole column plate and the support convex ring.
In some optional embodiments, the outer wall of the second convex ring is provided with an extension convex ring extending towards the radial outer side of the second convex ring, and the extension convex ring is positioned between the first sealing convex ring and the upper surface of the pole column plate.
In some specific embodiments, the second seal comprises a flat portion and an insert portion connected, the insert portion fitting in the central hole of the support collar, the flat portion resting against the upper surface of the support collar.
In some more specific embodiments, the flat portion is provided with a pressing groove surrounding the insertion portion, and the support collar is provided with a pressing collar fitted in the pressing groove.
The utility model also discloses a battery, including casing, the foreland battery apron and electric core, the one end of casing opens the setting, battery apron lock is in the end of opening of casing, electric core sets up in the casing, just the utmost point ear of electric core with the utmost point post spare electricity of battery apron is connected.
The utility model discloses a beneficial effect of battery apron: because the pressfitting turn-ups of top cap piece and last plastic part between restrict the relative rotation of the two through the cooperation of preventing changeing protruding and preventing changeing the breach, and utmost point post spare and last plastic part pass through the relative rotation of the two of the plane restriction that prevents changeing on the utmost point post spare, promoted utmost point post spare prevent changeing the performance, can avoid the relative top cap piece pivoted phenomenon of utmost point post spare to take place betterly, make things convenient for follow-up welding process, promote the manufacturing yield of battery apron.
The beneficial effects of the battery of the utility model are that owing to have the foregoing the battery apron, the pole post spare of this battery prevents changeing the performance better, uses the reliability higher.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In addition, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature for distinguishing between descriptive features, non-sequential, and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific structure of the battery cover plate according to the embodiment of the present invention will be described below with reference to fig. 1 to 4.
The utility model discloses a battery cover plate, as shown in fig. 1-fig. 2, the battery cover plate of this embodiment includes top plate 1, utmost point post spare 2 and last plastic part 3, be equipped with utmost point post hole 11 on the top plate 1 and encircle the pressfitting turn-ups 12 that utmost point post hole 11 set up, be equipped with on the roof of pressfitting turn-ups 12 and prevent changeing breach 121, utmost point post spare 2 wears to establish in utmost point post hole 11, and be equipped with on the periphery wall of utmost point post spare 2 and prevent changeing the plane, upward be equipped with first bulge loop 31 and second bulge loop 32 on plastic part 3, first bulge loop 31 ends to on the lateral wall of the pressfitting turn-ups 12 after bending, second bulge loop 32 presss from both sides and establishes between pressfitting turn-ups 12 after bending and utmost point spare 2, be equipped with on the lateral wall of second bulge loop 32 and prevent changeing breach 121 complex and prevent changeing protruding 321.
It can be understood that, in the assembling process, after putting into top cap piece 1 with utmost point post spare 2, bend pressfitting turn-ups 12 now, then will go up plastic part 3 and put into utmost point post hole 11, carry out the pressfitting after placing the completion, and in the pressfitting in-process, the protruding 321 of preventing changeing on the pressfitting turn-ups 12 can cooperate with the breach 121 that prevents changeing on last plastic part 3, the cooperation of preventing changeing protruding 321 and breach 121 is accomplished the relative rotation of last plastic part 3 relative top cap piece 1 of restriction, meanwhile, because utmost point post spare 2 and last plastic part 3 restrict the relative rotation of the two through the plane that prevents changeing on utmost point post spare 2, the performance of preventing changeing of utmost point post spare 2 has been promoted, can avoid the pivoted phenomenon of utmost point post spare 2 relative top cap piece 1 to take place betterly, make things convenient for follow-up welding process, promote the manufacturing yield of battery apron.
In some embodiments, as shown in fig. 3, there are a plurality of anti-rotation notches 121, a plurality of anti-rotation notches 121 are arranged at intervals along the circumferential direction of the pole hole 11, a plurality of anti-rotation protrusions 321 are arranged, and the plurality of anti-rotation notches 121 and the plurality of anti-rotation protrusions 321 are arranged in a one-to-one correspondence manner. It can be understood that the anti-rotation notches 121 and the anti-rotation protrusions 321 are a plurality of protrusions capable of further improving the matching stability of the upper plastic part 3 and the pressing flange 12, so as to further improve the anti-rotation property of the upper plastic part 3. It should be additionally noted that, in other embodiments of the present invention, the specific types of the anti-rotation notches 121 and the anti-rotation protrusions 321 can be selected according to actual needs, and the shapes and the numbers of the anti-rotation notches 121 and the anti-rotation protrusions 321 are not selected here.
In some embodiments, the rotation-preventing plane is a plurality of planes, and the plurality of planes are arranged at intervals along the circumferential direction of the pole piece 2. It can be understood that, prevent changeing the plane and be a plurality of, can make the cross section of utmost point post spare 2 be a polygon like this, 3 covers after the cover is established on utmost point post spare 2 to last plastic part 3 and utmost point post spare 2 between the stability of being connected just can promote better to promote utmost point post spare 2 prevent changeing the characteristic.
In some embodiments, as shown in fig. 2, the inner sidewall of the pole hole 11 has a supporting convex ring 111 extending toward the radial inner side, the pole piece 2 includes a pole body 21 and a pole plate 22, the outer circumferential wall of the pole body 21 abuts against the inner circumferential wall of the second convex ring 32, the battery cover plate includes an insulating sealing member, the insulating sealing member is sleeved on the pole plate 22, and the outer wall of the insulating sealing member abuts against the folded press-fit flange 12, the inner sidewall of the pole hole 11, the end face of the supporting convex ring 111 and the inner circumferential wall of the supporting convex ring 111. It can be understood that, in order to ensure that the battery can stably work, the top cover plate 1 must be completely insulated from the pole post member 2, and the insulating seal added in this embodiment can ensure insulation between the bottom wall of the pole post plate 22 and the support convex ring 111, and can ensure insulation between the peripheral wall of the pole post plate 22 and the inner peripheral wall of the pole post hole 11, thereby ensuring connection stability and connection sealability of the top cover plate 1 and the pole post member 2.
In some specific embodiments, as shown in fig. 2, the insulating seal comprises a first seal 41 and a second seal 42 removably attached to the pole piece 2. The first seal 41 is fitted between the folded press-fit flange 12 and the support collar 111, and the second seal 42 is fitted between the support collar 111 and the pole plate 22. It can be understood that the pole piece 2 and the insulating sealing element can be detachably connected and can be conveniently assembled without adopting complex modes such as rubber coating and the like to fix the insulating sealing element on the pole piece 2. Because the boss on the pole column member 2 is more, in this embodiment, it can make things convenient for insulating seal's installation to be first sealing member 41 and second sealing member 42 with the insulating seal split to promote battery cover plate's packaging efficiency.
In some more specific embodiments, as shown in fig. 2, the first sealing element 41 includes a first sealing convex ring 411 and a second sealing convex ring 412 which are arranged at intervals, the first sealing convex ring 411 is sandwiched between the folded press-fit flange 12 and the upper surface of the pole plate 22, and the second sealing convex ring 412 is sandwiched between the lower surface of the pole plate 22 and the supporting convex ring 111. It can be understood that the first sealing protrusion 411 ensures the insulating property between the press-fit flange 12 and the upper surface of the terminal plate 22, and the second sealing protrusion 412 ensures the insulating property between the lower surface of the terminal plate 22 and the support protrusion 111, thereby ensuring that the entire terminal member 2 is completely insulated from the top cover plate 1, and ensuring the reliability of the battery cover plate. In addition, the first sealing convex ring 411 and the second sealing convex ring 412 are formed on the first sealing member 41, and the first sealing member 41 can be sleeved on the pole column plate 22 in the installation process, so that the first sealing member 41 can be assembled conveniently, and the assembly efficiency of the battery cover plate is improved.
In some alternative embodiments, as shown in fig. 2 and 4, the outer wall of the second protruding ring 32 is provided with an extending protruding ring 322 extending toward the radial outer side thereof, and the extending protruding ring 322 is located between the first sealing protruding ring 411 and the upper surface of the pole plate 22. It can be understood that the extension convex ring 322 that adds can be with the whole packings that exist of the gap that probably exists between first sealing member 41 and the utmost point post spare 2 to promote the connection leakproofness between utmost point post spare 2 and the top cap piece 1, avoid the outside air to pass the battery apron, promoted the practical reliability of battery.
In some specific embodiments, as shown in fig. 2, the second sealing member 42 includes a flat portion 421 and an insertion portion 422 connected, the insertion portion 422 is fitted in the central hole of the support convex ring 111, and the flat portion 421 abuts against the upper surface of the support convex ring 111. It is understood that the flat portion 421 can ensure the insulation property between the support convex ring 111 and the lower surface of the pole plate 22, and the insertion portion 422 can avoid the accidental contact between the lower surface of the pole plate 22 and the inner peripheral wall of the pole hole 11, i.e., the second seal 42 ensures the insulation property between the pole plate 22 and the top cover plate 1, thereby improving the reliability of the battery cover plate.
In some more specific embodiments, the flat portion 421 is provided with a pressing groove 4211 surrounding the insertion portion 422, and the support collar 111 is provided with a pressing collar 1111 capable of extending into the pressing groove 4211. It can be understood that, according to the foregoing description, the upper plastic component 3 and the folded pressing flange 12 need to be pressed in the assembling process, and the pressing convex ring 1111 can extend into the pressing groove 4211, so that in the pressing process, the second sealing element 42 can be deformed well, so as to fill the gap between the pole column plate 22 and the supporting convex ring 111, and improve the connection sealing performance of the pole column plate 22 and the top cover plate 1 while ensuring the insulation characteristics of the two.
Example (b):
a battery cover plate according to an embodiment of the present invention will be described with reference to fig. 1 to 4.
As shown in fig. 1-4, the battery cover plate of the present embodiment includes a top cover plate 1, a pole post member 2, an upper plastic member 3, and an insulating sealing member, wherein the top cover plate 1 is provided with a pole post hole 11 and a press-fit flange 12 surrounding the pole post hole 11, an inner sidewall of the pole post hole 11 has a support convex ring 111 extending toward a radial inner side, and the support convex ring 111 is provided with a press-fit convex ring 1111 extending along a circumferential direction thereof. The top wall of the pressing flanging 12 is provided with a plurality of anti-rotation notches 121 which are distributed along the circumferential direction at intervals. The pole piece 2 is inserted into the pole hole 11 and located above the support collar 111. The pole post 2 includes utmost point post body 21 and utmost point post board 22, and be equipped with a plurality of anti-rotation planes that set up along its circumference interval on the periphery wall of utmost point post 2, upward be equipped with first bulge loop 31 and second bulge loop 32 on the plastic part 3, first bulge loop 31 ends to on the lateral wall of pressfitting turn-ups 12 after bending, second bulge loop 32 presss from both sides and establishes between pressfitting turn-ups 12 after bending and utmost point post board 22, be equipped with on the lateral wall of second bulge loop 32 with prevent changeing breach 121 complex prevent changeing protruding 321 and towards its radial outside extension bulge loop 322. The lower surface of the extended collar 322 abuts on the upper surface of the pole plate 22. The insulating sealing element comprises a first sealing element 41 and a second sealing element 42 which are detachably connected with the pole column element 2, the first sealing element 41 is matched between the bent pressing flanging 12 and the supporting convex ring 111, the first sealing element 41 comprises a first sealing convex ring 411 and a second sealing convex ring 412 which are arranged at intervals, the first sealing convex ring 411 is clamped between the bent pressing flanging 12 and the extending convex ring 322, and the second sealing convex ring 412 is clamped between the lower surface of the pole column plate 22 and the supporting convex ring 111. The second sealing member 42 is fitted between the support protruding ring 111 and the pole plate 22, the second sealing member 42 includes a planar portion 421 and an insertion portion 422 connected to each other, the insertion portion 422 is fitted in the central hole of the support protruding ring 111, the planar portion 421 abuts against the upper surface of the support protruding ring 111, a press-fit groove 4211 is provided on the planar portion 421, the press-fit groove 4211 is provided around the insertion portion 422, and the press-fit groove 4211 can be fitted with the press-fit protruding ring 1111.
The advantages of the battery cover plate of the embodiment are as follows:
firstly, the method comprises the following steps: the relative rotation between the press-fit flanging 12 and the upper plastic part 3 is limited through the matching of the anti-rotation protrusions 321 and the anti-rotation notches 121, the relative rotation between the pole column part 2 and the upper plastic part 3 is limited through the anti-rotation planes on the pole column part 2, the anti-rotation performance of the pole column part 2 is improved, the phenomenon that the pole column part 2 rotates relative to the top cover plate 1 can be well avoided, the subsequent welding process is facilitated, and the manufacturing yield of the battery cover plate is improved;
secondly, the method comprises the following steps: the insulating seal is removable with respect to the pole post 2, facilitating assembly, and during pressing, the first seal 41 and the second seal 42 are able to deform respectively, ensuring insulation and sealing between the pole post 2 and the top cover sheet 1.
The utility model also discloses a battery, including casing, the foreland battery apron and electric core, the one end of casing opens the setting, and battery apron lock is in the open end of casing, and electric core setting is in the casing, and the utmost point ear of electric core is connected with 2 electricity of utmost point post spare of battery apron.
The utility model discloses a battery, owing to have the foreside battery cover plate, the utmost point post spare 2 of this battery prevents changeing the performance better, uses the reliability higher.
In the description herein, references to the description of "some embodiments," "other embodiments," etc., 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. 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.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.