CN115051089A - Split type battery top cover assembly - Google Patents
Split type battery top cover assembly Download PDFInfo
- Publication number
- CN115051089A CN115051089A CN202210666270.0A CN202210666270A CN115051089A CN 115051089 A CN115051089 A CN 115051089A CN 202210666270 A CN202210666270 A CN 202210666270A CN 115051089 A CN115051089 A CN 115051089A
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- China
- Prior art keywords
- pole
- battery top
- top cover
- sealing
- hole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/198—Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
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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 invention discloses a split type battery top cover assembly, which comprises battery top covers respectively arranged at two ends of a battery, wherein a positive electrode assembly is arranged on one battery top cover, a negative electrode assembly is arranged on the other battery top cover, the positive electrode assembly and the negative electrode assembly respectively comprise a pole and a pole hole site arranged on the battery top cover, the pole hole site comprises a pole hole, the pole is positioned above the pole hole, a positioning body is formed at the upper opening of the pole hole along the circumferential direction, the positioning body is arranged around a fixing part of the pole, a first limiting body is arranged on the positioning body, and a sealing member is arranged between the positioning body and the fixing part of the pole; the inner wall of the positioning body is provided with a second limiting body which is continuously arranged or a plurality of second limiting bodies which are arranged at intervals, a first sealing part which is attached to the lower edge of the fixing part of the pole is formed on the sealing element, the second limiting body is pressed on the first sealing part, and an insulating part is arranged between the first limiting body and the fixing part of the pole. The assembly is simple and convenient, the assembly efficiency is improved, and the manufacturing cost is low.
Description
Technical Field
The invention relates to the technical field of battery top covers, in particular to a split type battery top cover assembly.
Background
The power battery is an important component of the new energy vehicle, and the existing new energy battery mostly adopts a lithium ion battery as the power battery. For a power lithium battery, besides the key components such as the battery core and the BMS, the structure of the battery shell is also an important factor for the safety of the power lithium battery. Wherein, utmost point post is battery module's component, general utmost point post installation is in utmost point post hole lower lip edge department through the becket welding on battery module's top cap, then make the sealing member obtain fixedly at the lower tip of utmost point post, and play utmost point post and top cap insulating effect, however only through the becket welding, make the sealing member respectively with utmost point post and top cap between the tight fit degree relatively poor, lead to the leakproofness poor, make battery module's stability in use poor, there is the potential safety hazard, and structural strength is also relatively poor, can't satisfy the requirement.
Disclosure of Invention
In order to solve at least one technical defect, the invention provides the following technical scheme:
the invention discloses a split type battery top cover assembly, which comprises battery top covers respectively arranged at two ends of a battery, wherein a positive electrode assembly is arranged on one battery top cover, a negative electrode assembly is arranged on the other battery top cover, the positive electrode assembly and the negative electrode assembly respectively comprise a pole and a pole hole site arranged on the battery top cover, the pole hole site comprises a pole hole, the pole is positioned above the pole hole, a positioning body is formed at the upper opening of the pole hole along the circumferential direction, the positioning body is arranged around a fixed part of the pole, the positioning body is provided with a first limiting body continuously arranged around an electric connection part of the pole or a plurality of first limiting bodies arranged at intervals, and a sealing member is arranged between the positioning body and the fixed part of the pole; a distance exists between the limiting body and the electric connection part of the pole; the inner wall of the positioning body is provided with a second limiting body which is continuously arranged or a plurality of second limiting bodies which are arranged at intervals, a first sealing part which is attached to the lower edge of the fixing part of the pole is formed on the sealing element, the second limiting body is pressed on the first sealing part, an insulating part is arranged between the first limiting body and the fixing part of the pole, and the sealing element is made of insulating materials.
According to split type battery top cap subassembly above, be formed with the second sealing on the sealing member, the laminating of second sealing and the downside of insulating part.
According to the split battery top cover assembly, the second sealing part comprises a sealing ring body formed on the sealing element, and the sealing ring body is embedded into the annular groove at the upper edge of the fixing part of the pole; the upper side of the sealing ring body is flush with the upper side of the fixing part of the pole column and is attached to the lower side face of the insulating part.
According to the split type battery top cover assembly, the second limiting body comprises a protrusion which is formed by rolling grooves on the outer wall of the positioning body to form a recess and enables the inner wall of the positioning body to form a position corresponding to the recess, so that the first sealing part which is turned inwards on the sealing element and clings to the lower edge of the fixing part of the pole is formed.
According to the split type battery top cover assembly, the insulating part is provided with a plurality of first convex parts, the pole is provided with a plurality of first concave parts, and the first convex parts are correspondingly embedded into the first concave parts.
According to above split type battery top cap subassembly, the insulating part is formed with the second convex part and arranges the first insulating bulge loop in the interval including the insulating ring body that is located the electric connection portion of utmost point post on the insulating ring body, be formed with the second concave part that corresponds with second convex part position on the first limiter, the second convex part is corresponding to imbed in the second concave part.
According to above split type battery top cap subassembly, still including covering the first piece of moulding of locating on the locating body, the first piece of moulding is including covering in the cladding ring piece at locating body top and forming in the cladding ring body at cladding ring piece edge, the hole of cladding ring piece is run through to the electric connection portion of utmost point post, the inner wall of cladding ring body is formed with the locating piece and the convex closure that corresponds with the sunk position, be formed with the constant head tank that corresponds with the locating piece on the locating body, the locating piece corresponds and inserts in the constant head tank, the convex closure corresponds to detain in the sunken.
According to the split type battery top cover assembly, the second insulating convex rings arranged in the intervals are formed on the wrapping ring pieces.
According to above split type battery top cap subassembly, be provided with explosion-proof valve opening (12) and first notes liquid hole (13) in two battery top caps (1) on arbitrary one, be provided with explosion-proof valve block (9) in explosion-proof valve opening (12).
According to above split type battery top cap subassembly, piece (6) is moulded to two battery top cap (1) bottom surfaces all have been pasted to the second, port department all is fixed with solid fixed ring (4) under the utmost point post hole (11) that is used for anodal subassembly (101) assembly on one battery top cap (1) down port and another battery top cap (1) be used for utmost point post hole (11) of negative pole subassembly (102) assembly, form catching groove (7) between solid fixed ring (4) and second limiter (113), be provided with on the second mould piece (6) respectively with battery top cap (1) on be used for utmost point post hole (11) of anodal subassembly (101) assembly and two second through-holes that utmost point post hole (11) position of negative pole subassembly (102) assembly corresponds, the last port limit of two second through-holes is formed with buckle (62), buckle (62) are detained in catching groove (7).
According to above split type battery top cap subassembly, be provided with on one second moulds piece (6) and annotate liquid hole (64) with the first second that annotates liquid hole (13) position on a battery top cap corresponds and sink groove (63) that correspond with explosion-proof valve hole (12) position on a battery top cap, the bottom of sink groove (63) is provided with a plurality of perforation (631).
Compared with the prior art, the invention has the beneficial effects that:
1. utilize the internal wall of location body to form the second restriction body, suppress after with the first sealing deformation of sealing member, thereby with the fixed part of utmost point post, sealing member and insulating part are fixed between the first restriction body and the second restriction body of location body, and obtain sealed, stable assembly, it is inseparabler to reach the cooperation between utmost point post and the sealing member, promote the sealing performance between utmost point post and the utmost point post hole, and the steadiness of structure is better, and remove the technology that utilizes welded fastening utmost point post in the traditional mode, make the assembly simple and convenient, promote assembly efficiency, low in manufacturing cost.
2. The first piece of moulding in advance adopts the first piece of moulding in advance to utilize the convex closure to detain in going into the sunken, should mould the piece in the locating piece embedding constant head tank to fix, so that the structure is reliable, the assembly is simple, high-efficient, also is convenient for dismantle the recovery, reaches green's purpose.
3. Utilize solid fixed ring to fix at utmost point post hole end opening edge down for form the catching groove between solid fixed ring and the second restriction body, thereby the second is moulded the piece and is laminated behind battery top cap lower surface, moulds the buckle of piece through the second and detains and fix second in the catching groove and mould piece (6), makes the assembly simple and convenient, promotes assembly efficiency.
Drawings
Fig. 1 is a cross-sectional view (one) of a split battery top cap assembly;
fig. 2 is a sectional view (two) of the split battery top cap assembly;
fig. 3 is an exploded view of a split battery top cap assembly;
fig. 4 is an exploded view of the split battery top cap assembly (ii);
fig. 5 is a schematic view of the overall structure of the split battery top cover assembly;
FIG. 6 is a schematic structural diagram of a battery top cover with an integrated structure of an explosion-proof valve plate and the battery top cover.
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, which can be derived from the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example (b):
as shown in fig. 1-5, the split battery top cover 1 assembly described in this embodiment includes battery top covers respectively disposed at two ends of a housing of a battery, wherein a positive electrode assembly is mounted on one battery top cover, and a negative electrode assembly is mounted on the other battery top cover.
Be provided with explosion-proof valve opening 12 and first notes liquid hole 13 on any one battery top cap 1 in two battery top caps 1, be provided with explosion-proof valve block 9 in the explosion-proof valve opening 12, wherein utmost point post 2 formula as an organic whole structure in anodal subassembly 101, adopt the aluminium piece, utmost point post 2 in the negative pole subassembly 102 is split type structure, by the copper aluminum alloy of aluminium piece and the compound formation of copper billet looks, consequently, utmost point post 2 in anodal subassembly 101 and utmost point post 2 in the negative pole subassembly 102 utilize the riveting assembled mode to assemble respectively to two battery top caps 1 on, the last port of explosion-proof valve opening 12 is pasted there is diaphragm 10.
The explosion-proof valve plate 9 and the explosion-proof valve hole 12 can be welded and fixed; or the explosion-proof valve plate 9 can also be of an integrated structure combined with the battery top cover 1 and formed in the explosion-proof valve hole 12.
Specifically, the positive electrode assembly 101 and the negative electrode assembly 102 each include an electrode post 2 and an electrode post hole 11 disposed on the battery top cover 1, the electrode post 2 is located above the electrode post hole 11, a positioning body 111 is formed at an upper opening of the electrode post hole 11 along a circumferential direction, the positioning body 111 is disposed around a fixing portion 21 of the electrode post 2, a first limiting body 112 continuously disposed around an electric connection portion 22 of the electrode post 2 or a plurality of first limiting bodies 112 disposed at intervals is disposed on the positioning body 111, and a sealing member 3 is disposed between the positioning body 111 and the fixing portion 21 of the electrode post 2; a distance exists between the limiting body and the electric connection part 22 of the pole 2, and the aluminum battery top cover is formed by mutually combining the positioning body 111, the battery top cover 1, the first limiting body 112 and the second limiting body into a whole, so that the second limiting body 113 has electric conductivity and is isolated by the distance; the inner wall of the positioning body 111 is formed with a second limiting body 113 which is continuously arranged or a plurality of second limiting bodies 113 which are arranged at intervals, the sealing element 3 is formed with a first sealing part 31 which is attached to the lower edge of the fixing part 21 of the pole 2, the second limiting body 113 is pressed on the first sealing part 31, an insulating part 8 is arranged between the first limiting body 112 and the fixing part 21 of the pole 2, and the sealing element 3 is a sealing ring made of insulating material.
In this embodiment, the sealing member 3 is formed with a second sealing portion 32, the second sealing portion 32 is attached to the lower side surface of the insulating member 8, and the sealing performance of the pole 2 is improved after the pole is assembled, and the second sealing portion 32 is an annular ring.
Preferably, in order to make the assembly of the insulating member 8 easier, the second sealing portion 32 comprises a sealing ring body formed on the sealing member 3, which is embedded in an upper edge annular groove 211 of the fixing portion 21 of the pole 2; the upper side of the sealing ring body is flush with the upper side of the fixing part 21 of the pole 2 and is attached to the lower side of the insulating part 8.
In this embodiment, the second limiting body 113 includes a recess 114 formed by rolling a groove on the outer wall of the positioning body 111, so that a protrusion 117 corresponding to the position of the recess 114 is formed on the inner wall of the positioning body 111, so as to form the first sealing portion 31 folded inwards on the sealing member 3 and tightly attached to the lower edge of the fixing portion 21 of the pole 2, and the protrusion 117 is formed to deform the lower edge of the sealing member 3 so as to form the first sealing portion 32, thereby completing the assembly and fixation of the insulating member 8, the sealing member 3 and the fixing portion 21 of the pole 2 between the first limiting body 112 and the second limiting body 113, so that the sealing performance is better, and the structure is stable after the assembly.
In this embodiment, the insulating member 8 is formed with a plurality of first convex portions 81, the terminal post 2 is formed with a plurality of first concave portions 212, and the first convex portions 81 are correspondingly embedded into the first concave portions 212, so that the insulating member 8 is prevented from being displaced after being assembled, and the insulating member 8 is reliably positioned.
Preferably, the insulating member 8 includes an insulating ring body 80 located at the electrical connection portion 22 of the pole 2, a second protrusion 82 and a first insulating convex ring 83 disposed in the space are formed on the insulating ring body 80, a second concave portion 116 corresponding to the second protrusion 82 is formed on the first limiting body 112, the second protrusion 82 is correspondingly embedded in the second concave portion 116, reliable insulation and isolation between the first limiting body 112 and the conductive connection column of the pole 2 are achieved, and the insulating member 8 is effectively positioned.
In this embodiment, the positioning device further includes a first plastic part 5 covering the positioning body 111, the first plastic part 5 includes a covering ring 51 covering the top of the positioning body 111, and a covering ring 52 formed on the edge of the covering ring 51, the electrical connection portion 22 of the pole 2 penetrates through an inner hole of the covering ring 51, a positioning block 522 and a convex hull 521 corresponding to the position of the concave 114 are formed on an inner wall of the covering ring 52, a positioning groove 115 corresponding to the positioning block 522 is formed on the positioning body 111, the positioning block 522 is correspondingly inserted into the positioning groove 115, the convex hull 521 is correspondingly buckled into the concave 114, and the positioning body 111 is assembled on the positioning body 111 through the first plastic part 5 which is pre-injection molded, and of course, the positioning body 111 can also be assembled in a direct injection molding and encapsulation molding manner.
Preferably, the covering ring 51 is formed with a second insulating protruding ring 53 disposed in the space, which provides reliable insulation between the first limiting body 112 and the conductive connection post of the terminal 2, and can achieve effective positioning of the first plastic part 5.
Still mould a 6 including the second that pastes in battery top cap 1 bottom surface, be used for utmost point post hole 11 lower port of anodal subassembly 101 assembly and utmost point post hole 11 lower port department of negative pole subassembly 102 assembly on the battery top cap 1 all to be fixed with solid fixed ring 4, form catching groove 7 between solid fixed ring 4 and the second restriction body 113, be provided with on the second mould 6 respectively with battery top cap 1 on be used for utmost point post hole 11 of anodal subassembly 101 assembly and two second through-holes that utmost point post hole 11 position of negative pole subassembly 102 assembly corresponds, the last port limit of two second through-holes is formed with buckle 62, buckle 62 lock joint is in catching groove 7.
A second plastic part 6 is provided with a second liquid injection hole 64 corresponding to the first liquid injection hole 13 and a sinking groove 63 corresponding to the explosion-proof valve hole 12, and the bottom of the sinking groove 63 is provided with a plurality of through holes 631; the sink groove 63 is provided to buffer the pressure in the battery from impacting the explosion-proof valve. Wherein, the first liquid injection hole 13 is positioned on the battery top cover 1 provided with the positive electrode assembly 101; the explosion-proof valve hole is located on the battery top cover 1 mounted with the negative electrode assembly 102.
The specific assembling process of assembling the positive electrode assembly 101 to one battery top cover 1 and assembling the negative electrode assembly 102 to the other battery top cover 1 comprises the steps of firstly sleeving the sealing element 3 on the fixing part 21 of the pole 2, embedding the second sealing part 32 of the sealing element 3 into the annular groove 211 of the fixing part 21, enabling the lower edge of the sealing element 3 to be in a vertical state, then enabling the pole 2 and the insulating element 8 to penetrate through the pole hole 11 from bottom to top, enabling the pole hole 11 to be arranged above the pole hole 11, enabling the fixing part 21 of the pole 2 to be arranged in a cavity formed by being surrounded by the positioning body 111, enabling the upper end of the electric connecting part 22 of the pole 2 to penetrate through a hole formed by surrounding the first limiting body 112, enabling the insulating element 8 to be attached to the upper side surface of the fixing part 21 of the pole 2, enabling the insulating element 8 to be attached to the lower side surface of the first limiting body 112, then placing the two battery top covers 1 assembled with the pole 2 in the pole hole 11 into groove rolling equipment and performing groove rolling process, so as to roll the groove on the peripheral sidewall of the root of the positioning body 111 to form the recess 114, the recess 114 can be continuously arranged or arranged at intervals, correspondingly, the inner wall of the positioning body 111 forms a protrusion 117 corresponding to the position of the recess 114, the formation of the protrusion 117 turns the lower edge of the sealing member 3 inwards to form a first sealing part 31 attached to the lower edge of the fixing part 21 of the post 2, the first sealing part 31 is pressed by the protrusion 117 to complete the fixation of the post 2 in the cavity surrounded by the positioning body 111, then the fixing rings 4 are fixedly arranged at the lower ports of the two post holes 11 by welding, so that the fastening groove 7 is formed between the fixing ring 4 and the second limiting body 113, the positioning body 111 is covered with the first plastic part 5, the convex hull 521 of the first plastic part 5 is correspondingly fastened in the recess 114, the positioning block 522 of the first plastic part 5 is correspondingly inserted into the positioning groove 115, the second plastic part 6 which is pre-injection-molded is attached to the bottom surface of the battery top cover 1, the buckle 62 is buckled in the buckle groove 7 to complete the assembly of the battery top cover 1 assembly, wherein if the explosion-proof valve plate 9 is in a welding structure, after the fixing ring 4 is welded, the explosion-proof valve plate 9 is welded in the explosion-proof valve hole 12.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The split type battery top cover assembly is characterized by comprising battery top covers which are respectively arranged at two ends of a shell of a battery, a positive pole assembly is arranged on one battery top cover, a negative pole assembly is arranged on the other battery top cover, the positive pole assembly and the negative pole assembly share a pole column (2) and a pole column hole (11) arranged on the battery top cover (1), the pole column (2) is positioned above the pole column hole (11), a positioning body (111) is formed on the upper opening of the pole column hole (11) along the circumferential direction, the positioning body (111) is arranged around a fixing part (21) of the pole column (2), a first limiting body (112) continuously arranged around an electric connection part (22) of the pole column (2) or a plurality of first limiting bodies (112) arranged at intervals is arranged on the positioning body (111), and a sealing element (3) is arranged between the positioning body (111) and the fixing part (21) of the pole column (2); a distance exists between the limiting body and an electric connection part (22) of the pole post (2); the inner wall of the positioning body (111) is provided with second limiting bodies (113) which are continuously arranged or a plurality of second limiting bodies (113) which are arranged at intervals, a first sealing part (31) which is attached to the lower edge of the fixing part (21) of the pole (2) is formed on the sealing element (3), the second limiting bodies (113) are pressed on the first sealing part (31), an insulating element (8) is arranged between the first limiting body (112) and the fixing part (21) of the pole (2), and the sealing element (3) is made of insulating materials;
the second limiting body (113) comprises a recess (114) formed by rolling a groove on the outer wall of the positioning body (111) and a protrusion (117) corresponding to the position of the recess (114) formed on the inner wall of the positioning body (111) so as to form a first sealing part (31) which is turned inwards on the sealing element (3) and is tightly attached to the lower edge of the fixing part (21) of the pole (2);
a plurality of first convex parts (81) are formed on the insulating part (8), a plurality of first concave parts (212) are formed on the pole column (2), and the first convex parts (81) are correspondingly embedded into the first concave parts (212).
2. The split battery top cap assembly according to claim 1, wherein the sealing member (3) is formed with a second sealing portion (32), and the second sealing portion (32) is fitted to the lower side of the insulating member (8).
3. The split battery top cap assembly according to claim 2, wherein the second sealing portion (32) comprises a sealing ring body formed on the sealing member (3), the sealing ring body is embedded in an upper edge ring groove (211) of the fixing portion (21) of the post (2); the upper side of the sealing ring body is flush with the upper side of the fixing part (21) of the pole (2) and is attached to the lower side of the insulating part (8).
4. The split battery top cover assembly according to claim 5, wherein the insulating member (8) comprises an insulating ring body (80) located at the electrical connection part (22) of the pole (2), a second convex part (82) and a first insulating convex ring (83) arranged in the interval are formed on the insulating ring body (80), a second concave part (116) corresponding to the second convex part (82) in position is formed on the first limiting body (112), and the second convex part (82) is correspondingly embedded in the second concave part (116).
5. The split battery top cover assembly according to claim 1, further comprising a first plastic part (5) covering the positioning body (111), wherein the first plastic part (5) comprises a wrapping ring sheet (51) covering the top of the positioning body (111) and a wrapping ring body (52) formed on the edge of the wrapping ring sheet (51), an electrical connection part (22) of the pole (2) penetrates through an inner hole of the wrapping ring sheet (51), a positioning block (522) and a convex hull (521) corresponding to the position of the recess (114) are formed on the inner wall of the wrapping ring body (52), a positioning groove (115) corresponding to the positioning block (522) is formed on the positioning body (111), the positioning block (522) is correspondingly inserted into the positioning groove (115), and the convex hull (521) is correspondingly buckled into the recess (114).
6. The split battery top cap assembly according to claim 5, wherein the clad ring sheet (51) is formed with a second insulating convex ring (53) disposed in the space.
7. The split battery top cover assembly according to claim 5, wherein an explosion-proof valve hole (12) and a first liquid injection hole (13) are arranged on any one of the two battery top covers (1), and an explosion-proof valve plate (9) is arranged in the explosion-proof valve hole (12).
8. The integrated battery top cover assembly according to claim 9, wherein the second plastic parts (6) are adhered to the bottom surfaces of the two battery top covers (1), a fixing ring (4) is fixed to the lower port of a pole hole (11) for assembling the positive pole assembly (101) on one battery top cover (1) and the lower port of a pole hole (11) for assembling the negative pole assembly (102) on the other battery top cover (1), a buckling groove (7) is formed between the fixing ring (4) and the second limiting body (113), the second plastic parts (6) are provided with two second through holes corresponding to the pole hole (11) for assembling the positive pole assembly (101) and the pole hole (11) for assembling the negative pole assembly (102) on the battery top cover (1), the upper port edges of the two second through holes are provided with buckles (62), and the buckles (62) are buckled in the buckling grooves (7).
9. The integrated battery top cover assembly according to claim 8, wherein a second plastic member (6) is provided with a second liquid injection hole (64) corresponding to the position of a first liquid injection hole (13) on a battery top cover and a sink groove (63) corresponding to the position of an explosion-proof valve hole (12) on a battery top cover, and the bottom of the sink groove (63) is provided with a plurality of through holes (631).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210666270.0A CN115051089A (en) | 2022-06-13 | 2022-06-13 | Split type battery top cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210666270.0A CN115051089A (en) | 2022-06-13 | 2022-06-13 | Split type battery top cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115051089A true CN115051089A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210666270.0A Withdrawn CN115051089A (en) | 2022-06-13 | 2022-06-13 | Split type battery top cover assembly |
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| CN (1) | CN115051089A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116505209A (en) * | 2023-06-28 | 2023-07-28 | 楚能新能源股份有限公司 | Pole assembly, battery end cover and assembly method thereof |
| CN116742225A (en) * | 2023-08-16 | 2023-09-12 | 深圳海辰储能控制技术有限公司 | End cover assembly, energy storage device and electric equipment |
-
2022
- 2022-06-13 CN CN202210666270.0A patent/CN115051089A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116505209A (en) * | 2023-06-28 | 2023-07-28 | 楚能新能源股份有限公司 | Pole assembly, battery end cover and assembly method thereof |
| CN116505209B (en) * | 2023-06-28 | 2023-09-19 | 楚能新能源股份有限公司 | Pole assembly, battery end cover and assembly method thereof |
| CN116742225A (en) * | 2023-08-16 | 2023-09-12 | 深圳海辰储能控制技术有限公司 | End cover assembly, energy storage device and electric equipment |
| CN116742225B (en) * | 2023-08-16 | 2023-10-13 | 深圳海辰储能控制技术有限公司 | End cover assembly, energy storage device and electric equipment |
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Application publication date: 20220913 |
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