CN217934151U

CN217934151U - Utmost point post riveting assembly structure, integral type battery top cap structure and battery

Info

Publication number: CN217934151U
Application number: CN202221459518.8U
Authority: CN
Inventors: 何世亚; 梁鹤; 陈冲; 戴麒迪; 吴孙光
Original assignee: Ningbo Zhenyu Auto Parts Co ltd
Current assignee: Ningbo Zhenyu Auto Parts Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-29
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a utmost point post riveting assembly structure, integral type battery top cap structure and battery, this utmost point post riveting assembly structure include utmost point post fixed hole site, and utmost point post fixed hole site includes utmost point post hole and at least one riveting piece, and the riveting piece passes in proper order and cooperates in riveting support piece after utmost point post and setting element, and the top of riveting piece forms the riveting cap through riveting processing and is spacing with the riveting.

Description

Utmost point post riveting assembly structure, integral type battery top cap structure and battery

Technical Field

The utility model belongs to the technical field of new energy automobile's power battery cooperation, concretely relates to utmost point post riveting assembly structure, integral type battery top cap structure and battery.

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 the component part of battery module, its except be used for with the positive and negative utmost point looks limit of the interior electric core of module in order to be used for electrically conductive, also need to have corresponding structural strength and sealing requirement to satisfy the application requirement of car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easily production and sound construction's utmost point post riveting assembly structure and integral type battery top cap structure and battery that have this riveting assembly structure.

As a first aspect of the present invention, there is provided a post riveting assembly structure, comprising a post fixing hole site disposed on a top cover plate, wherein a post is fitted at the post fixing hole site; the pole fixing hole position comprises a pole hole and at least one riveting piece arranged around the pole hole.

The terminal, the positioning piece and the riveting support piece are sequentially sleeved on the riveting piece, the riveting piece sequentially penetrates through a first riveting hole formed in the terminal and a second riveting hole formed in the positioning piece and then is matched in a fourth riveting hole formed in the riveting support piece, and the top end of the riveting piece is riveted to form a riveting cap to act on the fourth riveting hole to realize riveting limitation.

According to the pole riveting assembly structure, the pole riveting assembly structure further comprises a support piece, and the support piece comprises a support piece main body and a positioning cavity; at least a part of the pole and the positioning piece are accommodated in the positioning cavity, and the riveting support piece is arranged on the upper surface of the support piece.

According to the terminal riveting assembly structure, the terminal comprises a terminal part and a plurality of terminal positioning parts, and the terminal positioning parts are provided with first riveting holes which are arranged in a penetrating manner. The positioning piece comprises a first through hole and a plurality of first positioning parts, and at least one first positioning part is provided with a second riveting hole which is arranged in a penetrating mode.

According to the pole riveting assembly structure, a sealing element is arranged between the pole and the pole fixing hole.

According to the pole riveting assembly structure, the sealing element comprises a sealing element main body and a third through hole, and a fifth riveting hole is formed in the sealing element main body; the riveting piece penetrates through the fifth riveting hole, the first riveting hole and the second riveting hole in sequence and then is riveted and matched in the fourth riveting hole.

According to the pole riveting assembly structure, the riveting support comprises a riveting support body, and a second through hole and a plurality of fourth riveting holes are penetratingly formed in the riveting support body.

According to the pole riveting assembly structure, the supporting piece and the top cover plate are in concave-convex fit for positioning.

According to foretell utmost point post riveting assembly structure, the location chamber includes first location chamber and second location chamber, and first location chamber sets up with second location chamber correspondingly not.

According to the pole riveting assembly structure, the pole riveting assembly structure further comprises a cover plate, a plurality of first connecting parts are further arranged on the riveting support, second connecting parts are correspondingly arranged on the cover plate, and the first connecting parts and the second connecting parts are matched to connect the cover plate to the riveting support; the cover plate is clamped to the riveting support or is injection molded on the riveting support.

According to the terminal riveting assembly structure, the terminal portion is provided to protrude upward or downward relative to the terminal positioning portion so as to form an upper terminal or a lower terminal.

According to the pole riveting assembly structure, the positioning piece further comprises an insulating ring protruding around the first through hole.

According to the pole riveting assembly structure, the number of the riveting pieces is two, three, four or five, and each riveting piece is respectively in riveting fit with the corresponding first riveting hole, the second riveting hole and the fourth riveting hole.

According to the pole riveting assembly structure, the first riveting hole and the second riveting hole are counter bores.

As a second aspect of the present invention, there is provided an integrated battery top cover structure, comprising a top cover plate and a terminal post disposed on the top cover plate; the utmost point post includes anodal utmost point post and negative pole utmost point post, anodal utmost point post and negative pole utmost point post adopt foretell utmost point post riveting assembly structure and be connected utmost point post to the top cap piece.

According to the integrated battery top cover structure, the integrated battery top cover structure further comprises a liquid injection port, an explosion-proof valve and a lower plastic piece.

According to the integrated battery top cover structure, the explosion-proof valve comprises the explosion-proof valve plate, and the explosion-proof valve plate is integrally arranged on the top cover plate.

According to the integrated battery top cover structure, the explosion-proof valve comprises the explosion-proof valve plate, and the explosion-proof valve plate is welded to the explosion-proof valve hole of the top cover plate.

According to foretell integral type battery top cap structure, down mould on the piece assembles to the top cap piece lower surface or mould plastics and form on the lower surface of top cap piece, mould still to be equipped with the cushion chamber on the piece down, the cushion chamber sets up in explosion-proof valve block below, and the cushion chamber includes a plurality of through-holes.

As a second aspect of the present invention, a battery is provided, the top cap of the battery is the above-mentioned integrated battery top cap structure, or the top cap of the battery includes the above-mentioned terminal riveting assembly structure.

The utility model discloses a utmost point post riveting assembly structure has following beneficial effect:

1. all parts are arranged on the top cover plate in sequence and then are riveted and assembled, the assembly process is simple, the requirements on equipment and sites are low, and the production efficiency is high.

2. The riveting support can be made of metal or alloy, such as SUS steel, and has high supporting structure strength and difficult deformation.

3. Except the plastic lower plastic part and the cover plate, other parts are all completed in one step through riveting, and stamping is adopted during riveting to form a riveting cap through riveting flanging.

4. The riveting support piece can be wholly or partially covered with an insulating layer through electrophoresis and other processes, and safety is improved.

5. After riveting is completed, the lower plastic part and the cover plate can be respectively arranged below or above the top cover plate in a clamping fit mode, a plastic molding mode and the like, or are assembled and connected after heating and hot melting after prefabrication and molding.

6. The positive and negative electrode posts are arranged on the same top cover sheet to form an integrated top cover structure, and can be assembled and processed simultaneously.

7. The explosion-proof valve can be arranged on the top cover sheet in a split welding or integrated forming mode.

Drawings

Fig. 1 is a schematic structural diagram of an integrated battery top cover structure according to a first embodiment of the present invention;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

FIG. 3 is a schematic view of the construction of the top cover sheet in the embodiment of FIG. 1;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic cross-sectional structural view of FIG. 3;

FIG. 6 is an enlarged partial schematic view of FIG. 5;

FIG. 7 is a schematic view of the lower mold part of the embodiment of FIG. 1;

FIG. 8 is a schematic view of the seal of the embodiment of FIG. 1;

FIG. 9 is a schematic structural diagram of the pole in the embodiment of FIG. 1;

FIG. 10 is a schematic structural view of the positioning member in the embodiment of FIG. 1;

FIG. 11 is a schematic structural view of the support member in the embodiment of FIG. 1;

FIG. 12 is a schematic structural view of the riveted support in the embodiment of FIG. 1;

FIG. 13 is a schematic structural view of the cover plate in the embodiment of FIG. 1;

FIG. 14 is a cross-sectional view of FIG. 9;

FIG. 15 is a schematic cross-sectional view of the cover plate, riveting support, positioning member, post and sealing member of the embodiment shown in FIG. 1;

fig. 16 is a schematic structural diagram of an integrated battery top cover structure according to a second embodiment of the present invention;

FIG. 17 is a schematic view of the construction of the top flap in the embodiment of FIG. 16;

FIG. 18 is a cross-sectional structural view of FIG. 16;

fig. 19 is a schematic view of the rivet in accordance with the first or second embodiment, shown in a cylindrical shape, when the rivet is not assembled to form a rivet cap.

Wherein the reference numbers of the figures are as follows:

the top cover plate 2, the explosion-proof valve 3, the lower plastic part 4, the pole 10, the positive pole 10a, the negative pole 10b, the sealing element 11, the positioning element 12, the supporting element 13, the riveting supporting element 14, the cover plate 15, the pole fixing hole 21, the liquid injection port 22, the explosion-proof valve hole 23, the annular concave portion 24, the pole hole 25, the riveting element 26, the riveting cap 261, the riveting element cavity 262, the first positioning portion 27, the third positioning portion 28, the second connecting element 29, the concave hole 291, the communicating portion 292, the expanding portion 293, the explosion-proof valve sheet 31, the protective adhesive film 32, the buffer cavity 41, the positioning connecting portion 42, the positioning table 43, the first connecting element 44, the fourth positioning portion 45, the second insulating ring 46, the pole ear hole 47, the pole portion 101, the pole positioning portion 102, the first riveting hole 103, the upper pole 1011, the lower pole 1012, the sealing element main body 111, the third connecting hole 112 and the fifth riveting hole 113; the first sealing ring 114, the first through hole 121, the first positioning portion 122, the second riveting hole 123, the insulating ring 124, the support body 131, the positioning cavity 132, the third connecting portion 133, the seventh riveting hole 134, the second positioning portion 135, the riveting support body 141, the second through hole 142, the fourth riveting hole 143, the first connecting portion 144, the cover plate body 151, the post connecting hole 152, the second connecting portion 153, and the fifth positioning portion 154.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

Example one

As shown in fig. 1, an integrated battery top cover structure includes a top cover plate 2 and a terminal disposed on the top cover plate 2; the post comprises a positive post 10a and a negative post 10b, wherein the positive post 10a and the negative post 10b are connected with the post 10 on the top cover plate 2 by a post riveting assembly structure.

As shown in fig. 1 and 2, the integrated battery top cover structure further comprises a liquid injection port 22, an explosion-proof valve 3 and a lower plastic piece 4. The liquid filling port 22 is used for filling electrolyte into the battery, the explosion-proof valve 3 is used for performing an explosion-proof function, and the lower plastic piece 4 is used for connecting to the battery shell and is generally made of plastic with proper insulation.

As shown in fig. 2 and 3, the explosion-proof valve 3 includes an explosion-proof valve plate 31, the explosion-proof valve plate 31 is welded to the lower position of the explosion-proof valve hole 23 of the top cover plate 2, and the protection film 32 is attached to the upper position of the explosion-proof valve hole 23.

As shown in fig. 7, the lower plastic part 4 is assembled on the lower surface of the top cover plate 2 or formed on the lower surface of the top cover plate 2 by injection molding, a buffer cavity 41 is further arranged on the lower plastic part 4, the buffer cavity is arranged below the explosion-proof valve plate 31, and the buffer cavity comprises a plurality of through holes for buffering the pressure inside the battery. The pouring port 22 is also provided through the lower molding 4.

The post riveting assembly structure comprises a post fixing hole 21 arranged on the top cover plate 2, and the post 10 is matched with the post fixing hole 21.

As shown in fig. 2 and 4, the pole fixing hole site 21 includes a pole hole 25 and three rivets 26 disposed around the pole hole 25. Of course, the number of rivets 26 is not limited to the three shown in the figures, and fewer than one, two, or more than four, five, six, etc. are also possible.

In this embodiment, the pole fixing hole 21 is provided with an annular concave portion 24 recessed relative to the upper surface of the top cover plate 2, and the pole hole 25 and the rivet 26 are disposed on the annular concave portion 24. In addition, a first positioning portion 27 is further disposed on the annular concave portion 24, and a positioning member capable of being in concave-convex fit with the first positioning portion 27 is correspondingly disposed on the lower surface of the supporting member 13, so that when the supporting member 13 is placed on the top cover plate 2, the two positioning members cooperate to position. For example, a positioning recess is provided on the annular recess 24 as the first positioning portion 27, and a positioning protrusion 135 is correspondingly provided on the lower surface of the support 13 as the positioning member.

As shown in fig. 2, the supporting member 13, the pole 10 and the positioning member 12 are sequentially sleeved on the riveting member 26, and the riveting supporting member 14 is placed on the supporting member 13 and is matched with the riveting member 26; the riveting member 26 sequentially passes through the first riveting hole 103 formed in the terminal 10 and the second riveting hole 123 formed in the positioning member 12 and then fits into the fourth riveting hole 143 formed in the riveting support 14, and the top end of the riveting member 26 is riveted to form a riveting cap 261 to act on the fourth riveting hole 143 for limiting, so that the riveting support 14, the support 13, the positioning member 12 and the terminal 10 are firmly riveted to the terminal fixing hole 21 on the top cover plate 2.

The riveting cap 261 formed by riveting the top end (or called as the head) of the riveting member 26 means that the top end of the riveting member 26 is shaped in the stamping direction to expand the diameter thereof so as to act on the fourth riveting hole 143 of the riveting support 14 to form a riveted fit relationship. As shown in fig. 19, the rivet 26 may have a cylindrical shape when not riveted, and a tip thereof is press-flanged to form a rivet cap 261 when riveted.

In this embodiment, a sealing member 11 is further disposed between the pole 10 and the pole fixing hole 21.

As shown in fig. 8, the sealing member 11 includes a sealing member main body 111 and a third through hole 112 penetrating therethrough, and the sealing member main body 111 is provided with a fifth riveting hole 113 penetrating therethrough; the riveting member 26 passes through the fifth riveting hole 113, the first riveting hole 103, and the second riveting hole 123 in sequence and then fits in the fourth riveting hole 143.

As shown in fig. 8, the sealing member 11 further includes a first sealing ring 114 surrounding the fifth riveting hole 113 and protruding from the sealing member main body 111, and the first sealing ring 114 is sleeved outside the riveting member 26 and is fitted into the first riveting hole 103 to isolate the terminal 10 from the riveting member 26, so as to improve the insulation of the terminal.

As shown in fig. 9, the pole 10 includes a pole part 101 and three pole positioning parts 102 uniformly distributed around the pole part 101, a first riveting hole 103 is formed through the pole positioning part 102, and an inner diameter of the first riveting hole 103 is greater than or equal to an outer diameter of the first sealing ring 114.

As shown in fig. 10, the positioning member 12 includes a first through hole 121 and three first positioning portions 122 uniformly distributed around the first through hole 121, and each of the first positioning portions 122 has a second riveting hole 123 penetrating therethrough. The positioning element 12 further includes an insulating ring 124 surrounding the first through hole 121 and protruding relative to the first positioning portion 122, and the insulating ring 124 is used for surrounding the upper pole 1011 of the pole 10 to improve insulation.

As shown in fig. 11, the supporting member 13 includes a supporting member main body 131, a positioning cavity 132 is disposed on the supporting member main body 131 and penetrates up and down, the positioning cavity 132 is configured to accommodate at least a portion of each of the positioning member 12, the pole post 10, and the sealing member 11 therein, and the riveting supporting member 14 is disposed on an upper surface of the supporting member 13. Wherein, the supporting member 13 is engaged with the top cover plate 2 in a concave-convex manner for positioning, that is, the first positioning portion 27 provided on the top cover plate 2 is engaged with the positioning protrusion 135 provided on the lower surface of the supporting member 13 for positioning.

The positioning cavity 132 includes a first positioning cavity 1321 and a second positioning cavity 1322, and the first positioning cavity 1321 and the second positioning cavity 1322 are not correspondingly disposed, but have different shapes. In this embodiment, second positioning chamber 1322 is disposed slightly larger than first positioning chamber 1321. The first positioning cavity 1321 is configured to accommodate at least a portion of the sealing member 11, and the second positioning cavity 1322 is configured to accommodate all or a portion of the pole 10 and the positioning member 12, so as to form a matching state as shown in fig. 15.

In this embodiment, the shapes of the first positioning cavity 1321 and the second positioning cavity 1322 are different, that is, the shapes of the two positioning cavities are the same in a part of the region, and the shapes of the two positioning cavities are different in another part.

Preferably, as shown in fig. 15, the through holes as the first riveting hole (103) and the second riveting hole (123) are both sinking type structures (i.e. counter bores) to make the riveted structure firm.

As shown in fig. 12, the rivet holder 14 includes a rivet holder body 141, and a second through hole 142 and a plurality of fourth rivet holes 143 are penetratingly formed in the rivet holder body 141. The rivet support body 141 is further provided with a plurality of first connecting portions 144 penetrating therethrough.

In this embodiment, the riveting support 14 is preferably made of metal or alloy, so as to have strong structural rigidity, and thus have strong structural strength after riveting and are not easy to deform. Preferably, the riveting support 14 may be covered with an insulating layer on a surface or a partial surface thereof by an electrophoresis process so as not to be directly connected to the top cover sheet, thereby improving the insulating property.

As shown in fig. 2 and 13, the post riveting assembly structure further includes a cover plate 15, the cover plate 15 includes a cover plate main body 151 and a post connection hole 152, and the post connection hole 152 is penetratingly disposed to allow the post 10 to be exposed. The cover plate 15 is also provided on the lower surface thereof with a second connection portion 153, and the first connection portion 144 and the second connection portion 153 are connected to connect the cover plate 15 to the rivet support 14.

In this embodiment, the cover plate 15 is further provided with a fifth positioning portion 154, which is used to be fitted into a concave hole formed by the riveting member 26 after riveting to be positioned in a concave-convex manner.

In this embodiment, the cover plate 15 is connected to the riveted support 14 by snapping. Of course, in other embodiments, it is also possible to form the cover plate 15 on the riveting support 14 by injection molding.

As shown in fig. 14, the pole part 101 is disposed to protrude upward or downward relative to the pole positioning part 102 to form an upper pole 1011 or a lower pole 1012.

As shown in fig. 5 to 7, two ends of the lower plastic part 4 are respectively provided with a positioning connection portion 42, the positioning connection portion 42 includes a tab hole 47 penetrating through the lower plastic part and a positioning platform 43 surrounding the tab hole 47 and protruding from the upper surface of the lower plastic part 4, and the positioning platform 43 is provided with a first connection member 44 and a fourth positioning portion 45. A third positioning part 28 and a second connecting part 29 are correspondingly arranged below the top cover plate 2. The edge of the pole lug hole 47 is also provided with a protruding second insulating ring 46, and the second insulating ring 46 is used for extending into the pole column hole 25 so as to make the pole lug and the top cover plate 2 not be contacted and conducted.

In this embodiment, the first connecting member 44 is a connecting convex pillar with a connecting cap at the end, the fourth positioning portion 45 is a positioning hole that is not through, the third positioning portion 28 is a positioning pillar that is protruded on the lower surface of the top cover plate 2, and the second connecting member 29 is a connecting concave hole that is concavely arranged in the riveting member 26; the first connecting member 44 is engaged with the second connecting member 29, and the fourth positioning portion 45 is engaged with the third positioning portion 28 for positioning.

As shown in fig. 6, the second connector 29 is a non-through recessed hole recessed in the rivet 26, and includes a recessed hole 291, a communicating portion 292, and an enlarged diameter portion 293, the recessed hole 291 has a guide surface, and the communicating portion 292 has an inner diameter smaller than an outer diameter of the enlarged diameter portion 293 so that the connecting cap of the first connector 44 can be engaged with the communicating portion 292 to be locked in the enlarged diameter portion 293.

As shown in fig. 15, the second connecting portion 153 of the cover plate 15 passes through the first connecting portion 144 and is received in the seventh riveting hole 134, and since the riveting support 14 and the support 13 are riveted and fixed, and the inner diameter of the seventh riveting hole 134 is greater than that of the first connecting portion 144, the seventh riveting hole 134 and the first connecting portion 144 are matched to form a snap.

As shown in fig. 15, the sealing member 11 and the positioning member 12 surround the side of the pole 10 to insulate it from the top cover plate 2, and the upper and lower surfaces of the pole 10 are used for external electrical connection and internal electrical connection with a tab (not shown in the drawings), respectively. The cover plate 15, the fourth rivet hole 143 of the rivet support 14, the second rivet hole 123 of the positioning member 12, and the fifth rivet hole 113 of the sealing member 11 together form a rivet chamber 262 for receiving the rivet 26. The cover plate 15, the riveting support 14, the positioning member 12 and the sealing member 11 are made of insulating materials, such as plastic, rubber (e.g., silica gel) and other polymer materials.

In this embodiment, the top cover plate 2 is made of an aluminum alloy, the rivet 26 is welded or formed thereon, the electrode post 10 is made of a metal or an alloy, the positive and negative electrode posts are made of different materials, the sealing member 11 is made of a rubber material, the lower plastic member 4, the cover plate 15, the positioning member 12 and the supporting member 13 are made of plastic materials, and the rivet supporting member 14 is made of SUS304 (surface-covering insulating paint).

The process of assembling the riveted structure of the embodiment is as follows:

firstly, sequentially placing a support 13, a riveting sealing element 11, a pole 10, a positioning element 12 and a riveting support 14 in a pole fixing hole 21 of a top cover plate 2; at this time, the rivet 26 is in an uncapped state, as shown in fig. 19.

Next, the rivet 26 is subjected to a riveting process so that the tip thereof is caulked to form a rivet cap 261, thereby being brought into a riveting relationship with the fourth riveting hole 143.

Finally, the lower plastic part 4 and the cover plate 15 are respectively matched below and above the top cover plate 2, and the lower plastic part 4 or the cover plate 15 can be formed in a clamping matching mode or in an injection molding mode.

Example two

An integral type battery top cap structure, its main structure is the same as embodiment one, the difference lies in: the explosion-proof valve sheet 31 of the present embodiment is integrally formed on the top cover sheet 2, which may be realized during the molding process of the top cover sheet 2 or formed by processing the same.

EXAMPLE III

A top cover of the battery adopts an integrated battery top cover structure of the first embodiment or the second embodiment.

Claims

1. The post riveting assembly structure comprises a post fixing hole (21) arranged on the top cover plate (2), and a post (10) is matched at the post fixing hole (21); the pole fixing hole position (21) is characterized by comprising a pole hole (25) and at least one riveting piece (26) arranged around the pole hole (25);

the pole column (10), the positioning piece (12) and the riveting support piece (14) are sequentially sleeved on the riveting piece (26), the riveting piece (26) sequentially penetrates through a first riveting hole (103) formed in the pole column (10) and a second riveting hole (123) formed in the positioning piece (12) to be matched in a fourth riveting hole (143) formed in the riveting support piece (14), and the top end of the riveting piece (26) is formed into a riveting cap (261) through riveting processing to act on the fourth riveting hole (143) to realize riveting limitation.

2. The post riveting assembly structure according to claim 1, further comprising a support (13), the support (13) comprising a support body (131) and a positioning cavity (132); at least a part of the pole (10) and the positioning part (12) are accommodated in the positioning cavity (132), and the riveting support (14) is arranged on the upper surface of the support (13).

3. The post riveting assembly structure according to claim 1, wherein the post (10) comprises a post part (101) and a plurality of post positioning parts (102), and the post positioning parts (102) are provided with a first riveting hole (103) arranged in a penetrating manner;

the positioning piece (12) comprises a first through hole (121) and a plurality of first positioning parts (122), and at least one first positioning part (122) is provided with a second riveting hole (123) which is arranged in a penetrating mode.

4. A post riveting and assembling structure according to claim 1, wherein a sealing element (11) is arranged between the post (10) and the post fixing hole site (21); the sealing element (11) comprises a sealing element main body (111) and a third through hole (112), and a fifth riveting hole (113) is formed in the sealing element main body (111); the riveting piece (26) penetrates through the fifth riveting hole (113), the first riveting hole (103) and the second riveting hole (123) in sequence and then is riveted and matched in the fourth riveting hole (143).

5. The post riveting assembly structure according to claim 2, wherein the riveting support (14) comprises a riveting support body (141), and a second through hole (142) and a plurality of fourth riveting holes (143) are arranged on the riveting support body (141) in a penetrating manner;

the supporting piece (13) is in concave-convex fit with the top cover plate (2) for positioning; the positioning cavity (132) comprises a first positioning cavity (1321) and a second positioning cavity (1322), and the first positioning cavity (1321) and the second positioning cavity (1322) are arranged in a non-corresponding mode.

6. The post riveting assembly structure according to claim 1, further comprising a cover plate (15), wherein the riveting support (14) is further provided with a plurality of first connecting portions (144), the cover plate (15) is correspondingly provided with second connecting portions (153), and the first connecting portions (144) and the second connecting portions (153) are matched to connect the cover plate (15) to the riveting support (14); the cover plate (15) is clamped to the riveting support piece (14) or is formed on the riveting support piece (14) in an injection molding mode.

7. The post caulking fitting structure according to claim 3, characterized in that the post part (101) is provided protrudingly upward or downward with respect to the post positioning part (102) to be formed as an upper post (1011) or a lower post (1012).

8. The post riveting assembly structure according to any one of claims 1-7, wherein the positioning member (12) further comprises an insulating ring (124) protruding around the first through hole (121); the riveting pieces (26) are two, three, four or five, and each riveting piece (26) is respectively in riveting fit with the corresponding first riveting hole (103), second riveting hole (123) and fourth riveting hole (143); the first riveting hole (103) and the second riveting hole (123) are counter bores.

9. The integrated battery top cover structure comprises a top cover plate (2) and a pole arranged on the top cover plate (2); the terminal is characterized in that the terminal comprises a positive terminal (10 a) and a negative terminal (10 b), and the positive terminal (10 a) and the negative terminal (10 b) adopt the terminal riveting assembly structure according to any one of claims 1 to 7 to connect the terminal (10) to the top cover plate (2).

10. The integrated battery top cover structure according to claim 9, further comprising a liquid injection port (22), an explosion-proof valve (3), and a lower molding member (4);

the explosion-proof valve (3) comprises an explosion-proof valve plate (31), and the explosion-proof valve plate (31) is integrally arranged on the top cover plate (2) or welded to an explosion-proof valve hole (23) of the top cover plate (2);

mould down and mould on piece (4) assembles to top cap piece (2) lower surface or mould plastics and form on top cap piece (2) lower surface, mould down and still be equipped with cushion chamber (41) on piece (4), the cushion chamber sets up in explosion-proof valve block (31) below, and the cushion chamber includes a plurality of through-holes.

11. A battery, characterized in that the top cover of the battery is an integrated battery top cover structure as claimed in claim 9 or 10, or the top cover of the battery comprises a post riveting assembly structure as claimed in any one of claims 1 to 8.