Cover plate structure convenient for cell integration

Abstract

The utility model relates to the technical field of lithium battery assembly, and particularly discloses a cover plate structure convenient for cell integration, which comprises a positive electrode cover plate and a negative electrode cover plate, one of the positive electrode cover plate and the negative electrode cover plate is provided with a bayonet socket and a mounting seat, and the other one of the positive electrode cover plate and the negative electrode cover plate is provided with a connecting plug and a liquid passing structure body; when the two battery cells are integrated, the connecting plug is inserted into the bayonet socket to realize electric connection, and the liquid passing structure body is inserted into the mounting seat to realize cooling liquid conduction. According to the cover plate structure convenient for integrating the battery cells, disclosed by the utility model, the integration operation is simple, the integration cost is low, the battery cell grouping efficiency is favorably improved, the disassembly and the maintenance of the single battery cell are also convenient, and the maintenance cost is favorably reduced.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery assembly technology, and in particular to a cover plate structure that facilitates cell integration. Background Technology

[0002] The applicant previously proposed a rapid temperature-controlled lithium-ion battery (Chinese Invention Patent Application No. 202411188433.4), whose cell includes a core and a core rod. Several liquid-cooling channels are arranged along the length of the core rod, allowing coolant to flow through these channels and directly cool the cell's interior. This significantly improves the cell's heat dissipation capacity, helps solve the problem of high internal temperatures during high-rate charging and discharging, and extends the cell's cycle life. However, when multiple cells are integrated, the connection between cells involves not only electrical connections but also coolant conduction. The electrical connections are mainly achieved through welding, while the coolant conduction is primarily achieved through pipes connecting the collectors of adjacent cells.

[0003] Electrical connections made by welding are not only difficult to control and detect, and carry the risk of poor welding, but also make it inconvenient to disassemble and reassemble the integrated battery pack and difficult to repair. In addition, there are problems such as long integration process, low integration efficiency, complex process and high cost.

[0004] The coolant is connected by a separate pipe for conduction, which not only has an adverse effect on the cooling efficiency and effect of the coolant, but also occupies limited battery space and is not conducive to improving the energy density of the battery system. Moreover, such a design structure also has problems such as complex integration process, low integration efficiency and high integration cost when integrating cells in the future.

[0005] Improving the structure of the battery cover to facilitate electrical connections and coolant conduction during cell integration would help solve the aforementioned problems. Therefore, this application is submitted. Utility Model Content

[0006] In view of the above-mentioned problems in the existing technology, the present invention provides a cover plate structure that facilitates the integration of battery cells.

[0007] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0008] A cover plate structure that facilitates cell integration includes a positive electrode cover plate and a negative electrode cover plate. One of the positive electrode cover plate and the negative electrode cover plate is equipped with a plug and a mounting base, and the other is equipped with a plug and a liquid-passing structure body.

[0009] The connector includes a base plate and a connector enclosure. The connector enclosure is disposed on the outer periphery of the base plate and forms a connector cavity with one end closed and the other end open. The connector enclosure has several limiting grooves. Several elastic connectors are vertically fixed on the base plate. The connector includes a connector body. The connector body has several insertion holes vertically opened along its height direction. Several extrusion members are also disposed on the outer periphery of the connector body and are elastically and telescopically connected to the outer periphery of the connector body. The connector body and the connector cavity are structurally matched. The number and structure of the elastic connectors and the insertion holes are matched. The number and structure of the extrusion members and the limiting grooves are matched. After the connector body is inserted into the connector cavity, the elastic connectors are located in the insertion holes and the extrusion members are engaged in the limiting grooves.

[0010] The mounting base includes a closed mounting base enclosure with slots on its side walls; the liquid-passing structure body has a permeable liquid flow channel, which is distributed along the height of the liquid-passing structure body and has a limiting strip that elastically expands and contracts with it on its side walls; the outer periphery of the liquid-passing structure body matches the inner periphery of the mounting base enclosure, and the position and structure of the limiting strip match the slot; after the liquid-passing structure body is inserted into the mounting base enclosure, the limiting strip engages with the slot.

[0011] The two battery cells are electrically connected by inserting a connector into a socket, and the coolant is conducted through the insertion of the liquid-passing structure body into the mounting base.

[0012] Preferably, the cross-section of the mounting base enclosure is a racetrack-shaped structure, and there are several liquid flow channels, which are arranged in a straight line along the length of the liquid flow structure body.

[0013] Preferably, the runway-shaped structure includes two opposing straight segments and two opposing arc segments, the slots are elongated and there are two slots, the two slots are arranged opposite each other and opened on the side wall of the straight segment, and the upper surface of the limiting strip is a smooth arc surface or slope surface.

[0014] Preferably, the lower part of the inner wall of the mounting base enclosure is provided with a step I around its circumference, and a sealing ring is provided on the step I. The liquid-passing structure body includes a plug I and a plug II. The plug II is fixed to the upper surface of the plug I and forms an engaging step at the connection with the plug I. The engaging step matches the structure of the step I. A limiting strip is provided on the side wall of the plug I.

[0015] Preferably, a number of elastic connectors are evenly and symmetrically distributed on the base plate, and a number of sockets are evenly and symmetrically distributed on the connector body.

[0016] Preferably, the connector body includes a first connector segment and a second connector segment, the socket is a through hole perpendicularly opened along the height direction of the first connector segment and the second connector segment, the connection between the first connector segment and the second connector segment forms a stepped structure, and the bottom of the connector cavity is provided with a first engaging step, the stepped structure matching the first engaging step structure.

[0017] Preferably, the elastic connector includes a large plug post, a small plug post, and a coil spring. The small plug post is fixedly connected to the upper end face of the large plug post, the coil spring is sleeved on the small plug post and one end is fixedly connected to the upper end face, and the lower end face of the large plug post is fixedly connected to the base plate.

[0018] Preferably, the connection between the large plug and the small plug forms a stepped structure, and a second engaging step is provided in the plug hole, wherein the stepped structure matches the second engaging step structure.

[0019] Preferably, four strip-shaped limiting grooves are evenly provided on the plug-in base enclosure, and four extrusion members are provided corresponding to the four limiting grooves.

[0020] The preferred base plate is a circular structure, the first engagement step is a ring structure, and the connector body is a cylindrical structure.

[0021] Compared with existing technologies, this invention, by setting up a mounting base and a liquid-passing structure body, enables coolant conduction between battery cells through quick-connect insertion at both ends. This reduces the liquid cooling transmission path, improves coolant cooling efficiency, saves integration space, and helps increase the system's energy density. By setting up a plug-in base and connector, electrical connection between battery cells can be achieved through quick-connect insertion at both ends, which not only improves the stability of the connection between positive and negative terminals but also reduces the process difficulty and cost of battery cell integration. The resulting cover plate structure simplifies integration operations and reduces integration costs, particularly helping to improve the efficiency of battery cell assembly. It also facilitates the disassembly and maintenance of individual battery cells, helping to reduce maintenance costs. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is one embodiment of the cover plate structure that facilitates cell integration proposed in this utility model.

[0024] Figure 2 for Figure 1 A three-dimensional structural diagram of the center connector;

[0025] Figure 3 for Figure 2 A three-dimensional structural diagram of a medium-elastic connector;

[0026] Figure 4 for Figure 2 Top view;

[0027] Figure 5 for Figure 2 The main view;

[0028] Figure 6 for Figure 1 A three-dimensional structural diagram of the center connector;

[0029] Figure 7 for Figure 6 Enlarged structural diagram at point M;

[0030] Figure 8 for Figure 6 Top view;

[0031] Figure 9 for Figure 8 A magnified structural diagram at point N;

[0032] Figure 10 for Figure 6 The main view;

[0033] Figure 11 for Figure 6 A bottom view;

[0034] Figure 12 for Figure 1 A three-dimensional structural diagram of the mounting base;

[0035] Figure 13 for Figure 12 The main view;

[0036] Figure 14 for Figure 12 Top view;

[0037] Figure 15 for Figure 1 A three-dimensional structural diagram of the intermediate liquid structure body;

[0038] Figure 16 for Figure 15 Top view;

[0039] Figure 17 for Figure 15 A bottom view;

[0040] Figure 18 for Figure 15 The main view;

[0041] Figure 19 for Figure 15 The left view.

[0042] In the diagram: A, Plug-in base; A1, Plug-in base enclosure; A11, Limiting groove; A2, First engaging step; A3, Base plate; A4, Elastic connector; A41, Large plug-in post; A42, Small plug-in post; A43, Coil spring; B, Plug-in connector; B1, First plug-in section; B2, Second plug-in section; B21, Insertion hole; B22, Second engaging step; B3, Extrusion component; C, Mounting base; C1, Mounting base enclosure; C2, Step I; C3, Sealing ring; C4, Slot; D, Liquid-passing structure body; D1, Insert block I; D2, Insert block II; D21, Liquid flow channel; D3, Limiting strip. Detailed Implementation

[0043] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0044] It should be noted that any components or structures not described in detail below employ conventional techniques in this field. Those skilled in the art can combine and use them without any inventive effort.

[0045] like Figures 1-19 As shown in the figure: a cover plate structure that facilitates cell integration includes a positive electrode cover plate and a negative electrode cover plate. A plug-in socket A and a mounting base C are installed on the positive electrode cover plate, and a plug-in connector B and a liquid-passing structure body D are installed on the negative electrode cover plate.

[0046] The connector A includes a base plate A3 and a connector enclosure A1. The base plate A3 is circular. The connector enclosure A1 is located on the outer periphery of the base plate A3 and forms a plug-in cavity with one end closed and the other end open. The connector enclosure A1 has several limiting grooves A11. Several elastic connectors A4 are vertically fixed on the base plate A3. The connector B includes a connector body. The connector body has several insertion holes B21 vertically opened along its height direction. Several extrusion members B3 are also provided on the outer periphery of the connector body and are elastically and telescopically connected to the outer periphery of the connector body. The connector body and the plug-in cavity are structurally matched. The number and structure of the elastic connectors A4 and the insertion holes B21 are matched. The number and structure of the extrusion members B3 and the limiting grooves A11 are matched. After the connector body is inserted into the plug-in cavity, the elastic connectors A4 are located in the insertion holes B21 and the extrusion members B3 are engaged in the limiting grooves A11.

[0047] Mounting base C includes a closed mounting base enclosure C1, and a slot C4 is provided on the side wall of the mounting base enclosure C1; the liquid-passing structure body D is provided with a transparent liquid flow channel D21, and several liquid flow channels D21 are distributed along the height direction of the liquid-passing structure body D, and a limiting strip D3 that elastically expands and contracts with it is provided on the side wall of the liquid-passing structure body D; the outer periphery of the liquid-passing structure body D matches the inner periphery of the mounting base enclosure C1, and the position and structure of the limiting strip D3 match the slot C4; after the liquid-passing structure body D is inserted into the mounting base enclosure C1, the limiting strip D3 is engaged in the slot C4.

[0048] The two battery cells are electrically connected by inserting connector B into connector A, and the coolant is conducted by inserting the liquid-passing structure body D into the mounting base C.

[0049] It should be noted that:

[0050] In practice, the base plate A3 can also be rectangular, square or other structures, and the shape of the connector body corresponds to the shape of the base plate A3.

[0051] The connection between the extrusion member B3 and the outer periphery of the connector body is existing technology. Specifically, an installation groove can be opened on the outer periphery of the connector body, and a spring structure can be installed in the installation groove. The extrusion member B3 is elastically and telescopically connected to the installation groove through the spring structure. When the extrusion member B3 is squeezed by an external force, it will automatically retract into the installation groove. When the external force is removed, the extrusion member B3 will automatically pop out and enter the limiting groove A11, similar to an existing door lock.

[0052] The connection between the limiting strip D3 and the side wall of the liquid-passing structure body D is existing technology. Specifically, an installation groove can be opened on the outer surface of the side wall of the liquid-passing structure body D, and a spring structure can be installed in the installation groove. The limiting strip D3 is elastically and telescopically connected to the installation groove through the spring structure. When the limiting strip D3 is squeezed by an external force, it will automatically retract into the installation groove. When the external force is removed, the limiting strip D3 will automatically pop out, similar to an existing door lock.

[0053] by Figure 1 For example: The top diagram shows the structure of the negative electrode cover, and the bottom diagram shows the structure of the positive electrode cover. The negative electrode cover is located at one end of the battery cell, and the positive electrode cover is located at the opposite end of the battery cell. When two battery cells are grouped together, the negative electrode cover of one battery cell is positioned opposite the positive electrode cover of the other battery cell, and the electrical connection and coolant conduction are achieved through the connector B inserted into the connector A and the liquid-passing structure body D inserted into the mounting base C.

[0054] The method of inserting connector B into connector A to achieve electrical connection has the following advantages compared with the existing technology: (1) The quick-connect method reduces the cost of pole connection and the possibility of poor pole connection, thus improving the yield rate; (2) The operation is convenient, which reduces the process difficulty of cell integration and improves the efficiency of cell assembly; (3) It facilitates the disassembly and maintenance of single cells, which helps to reduce maintenance costs.

[0055] The method of inserting the liquid-passing structure body D into the mounting base C to realize the conduction of coolant has the following advantages compared with the existing technology: (1) The quick-connect method is simple to operate, convenient and fast to connect, making the integration operation simple, the integration efficiency high and the integration cost low; (2) There is no need to set up additional connecting pipes, which reduces the liquid cooling transmission path, improves the cooling efficiency of the coolant, saves integration space, and helps to improve the energy density of the system; (3) It facilitates the disassembly and maintenance of single cells and helps to reduce maintenance costs.

[0056] Compared with the prior art, the cover plate structure obtained by this utility model makes the integration operation simple and the integration cost low, which is particularly helpful to improve the efficiency of cell assembly, and also facilitates the disassembly and maintenance of individual cells, thus helping to reduce maintenance costs.

[0057] As a preferred technical solution, in another embodiment of this utility model, the cross-section of the mounting base enclosure C1 is a racetrack-shaped structure, and there are several liquid flow channels D21. The several liquid flow channels D21 are arranged in a "I" shape along the length direction of the liquid flow structure body D.

[0058] To ensure timely and effective collection and distribution of coolant, the position and structure of the flow channel D21 are designed according to specific circumstances in practice. When this invention is used in the battery cell described in the background art, the structure, position, and number of the flow channels D21 are preferably matched with the structure, position, and number of liquid cooling channels on the core rod. Specifically, the cross-section of the flow channel D21 is preferably elongated, and the length of the elongated structure is in the same direction as the length of the liquid-passing structure body D. The corners of the elongated structure are rounded, which helps to ensure that the coolant is collected and redistributed in a timely manner so that it flows evenly, quickly, and efficiently into the next battery cell.

[0059] As a preferred technical solution, in another embodiment of this utility model, the racetrack-shaped structure includes two opposing straight segments and two opposing arc segments. The slots C4 are elongated and there are two of them. The two slots C4 are arranged opposite each other and are opened on the side wall of the straight segment. The upper surface of the limiting strip D3 is a smooth arc surface or a slope.

[0060] To correspond with the structure and number of slots C4, the limiting strips D3 are also elongated and there are two of them. To improve the smoothness and fluidity of the limiting strips D3 entering slots C4, the upper surface of the limiting strips D3 is a smooth arc or slope. When the liquid-passing structure body D is inserted into the mounting base C, the squeezing force indirectly acts on the arc or slope, causing the limiting strips D3 to gradually extend and retract until the liquid-passing structure body D is fully inserted into the mounting base C. After that, the limiting strips D3 return to their original state and extend within the slots C4, so that the liquid-passing structure body D is securely installed in the mounting base C without loosening or falling off.

[0061] As a preferred technical solution, in another embodiment of this utility model, a step ⅠC2 is provided around the lower part of the inner wall of the mounting base enclosure C1, and a sealing ring C3 is provided on the step ⅠC2. The liquid-passing structure body D includes a plug block ⅠD1 and a plug block ⅡD2. The plug block ⅡD2 is fixed to the upper surface of the plug block ⅠD1 and forms a locking step at the connection with the plug block ⅠD1. The locking step matches the structure of the step ⅠC2. The limiting strip D3 is provided on the side wall of the plug block ⅠD1.

[0062] After the liquid-passing structure body D is inserted into the mounting base C, the engaging step and the step ⅠC2 cooperate, which not only provides a clear assembly direction and positioning point, making the assembly and disassembly process simpler and faster, but also reduces the gap after insertion and limits the relative displacement of the two, reducing the risk of loosening and falling off, and improving the reliability of the connection.

[0063] As a preferred technical solution, in another embodiment of this utility model, a number of elastic connectors A4 are evenly and symmetrically distributed on the base plate A3. In practice, the number of elastic connectors A4 can be flexibly determined according to actual needs to balance cost, performance and operability of connection; a number of sockets B21 are evenly and symmetrically distributed on the connector body.

[0064] As a preferred technical solution, in another embodiment of this utility model, the connector body includes a first connector segment B1 and a second connector segment B2. The insertion hole B21 is a through hole vertically opened along the height direction of the first connector segment B1 and the second connector segment B2. A stepped structure is formed at the connection between the first connector segment B1 and the second connector segment B2. A first engaging step A2 is provided at the bottom of the connector cavity. The stepped structure matches the structure of the first engaging step A2.

[0065] When connector B is inserted into connector A, the stepped structure engages with the first engaging step A2, and under the limiting action of the pressing member B3, connector B and connector A are stably connected and in close contact. This improves the stability of the connection between adjacent cell terminals and enhances battery safety. The structure of the stepped structure cooperating with the first engaging step A2 provides a clear assembly direction and positioning point, making the assembly and disassembly process simpler and faster. It also reduces the gap after insertion and limits the relative displacement between the two, reducing the risk of loosening and falling off, and improving the reliability of the connection.

[0066] In this embodiment, the socket B21 is designed as a through hole structure that is easy to process, and the upper and lower ends of the through hole structure penetrate through both ends of the connector body.

[0067] As a preferred technical solution, in another embodiment of this utility model, the elastic connector A4 includes a large plug post A41, a small plug post A42, and a coil spring A43. The small plug post A42 is fixedly connected to the upper end face of the large plug post A41. The coil spring A43 is sleeved on the small plug post A42, with one end fixedly connected to the upper end face. The lower end face of the large plug post A41 is fixedly connected to the base plate A3. In practice, the free end of the coil spring A43 is slightly higher than the top of the small plug post A42 to ensure that after the elastic connector A4 is inserted into the socket B21, the coil spring A43 can provide a compressive force to ensure good contact between the positive and negative terminals.

[0068] As a preferred technical solution, in another embodiment of this utility model, a stepped structure is formed at the connection between the large plug post A41 and the small plug post A42, and a second engaging step B22 is provided inside the plug hole B21. The stepped structure matches the structure of the second engaging step B22. When the elastic connector A4 is inserted into the plug hole B21, the stepped structure engages with the second engaging step B22, which facilitates assembly and helps to achieve stable contact and positioning between the elastic connector A4 and the plug hole B21, ensuring the conductivity after the pole is inserted.

[0069] As a preferred technical solution, in another embodiment of this utility model, four strip-shaped limiting grooves A11 are evenly provided on the plug-in enclosure A1, and four extrusion members B3 are provided corresponding to the four limiting grooves A11. Considering both installation cost and limiting effect, the limiting grooves A11 are designed as strip structures and their length direction is distributed along the circumference of the plug-in enclosure A1; the number of limiting grooves A11 is four, and after the four extrusion members B3 enter the limiting grooves A11 respectively, they work together to play a limiting role, which is more conducive to the long-term and stable connection between the plug-in B and the plug-in A.

[0070] In summary, the cover plate structure proposed in this utility model facilitates cell integration, enabling electrical connection and coolant conduction between cells via quick-connect fitting at both ends. This significantly simplifies the cell assembly process, reduces the difficulty of cell assembly, and minimizes the use of other connectors, ultimately resulting in a substantial increase in integration efficiency and a significant reduction in integration costs.

[0071] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions, and variations to the above embodiments within the scope of the present invention. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples.

Claims

1. A cover plate structure facilitating cell integration, characterized by: The application relates to a battery cover plate, which comprises a positive electrode cover plate and a negative electrode cover plate, one of the positive electrode cover plate and the negative electrode cover plate is provided with a plug-in socket (A) and a mounting seat (C), and the other is provided with a plug-in connector (B) and a liquid passing structure body (D); The plug-in socket (A) comprises a bottom plate (A3) and a plug-in socket enclosure (A1), the plug-in socket enclosure (A1) is arranged on the outer periphery of the bottom plate (A3) and forms a plug-in cavity which is closed at one end and open at the opposite end; a plurality of limiting grooves (A11) are formed in the plug-in socket enclosure (A1), and a plurality of elastic connecting pieces (A4) are vertically fixed on the bottom plate (A3); the plug-in connector (B) comprises a plug-in connector body, a plurality of plug-in holes (B21) are vertically formed in the plug-in connector body along the height direction of the plug-in connector body, and a plurality of extrusion pieces (B3) are arranged on the outer periphery of the plug-in connector body and elastically connected with the outer periphery of the plug-in connector body; the plug-in connector body is matched with the plug-in cavity in structure, the number and structure of the elastic connecting pieces (A4) are matched with the number and structure of the plug-in holes (B21), and the number and structure of the extrusion pieces (B3) are matched with the number and structure of the limiting grooves (A11); after the plug-in connector body is inserted into the plug-in cavity, the elastic connecting pieces (A4) are located in the plug-in holes (B21) and the extrusion pieces (B3) are clamped into the limiting grooves (A11). Two electric cores are electrically connected by inserting the plug-in connector (B) into the plug-in socket (A) and conducting the cooling liquid by inserting and mounting the liquid passing structure body (D) into the mounting seat (C).

2. The cover plate structure for facilitating cell integration of claim 1, wherein: The cross section of the mounting seat enclosure (C1) is in a runway shape structure, a plurality of liquid flow channels (D21) are arranged in the length direction of the liquid passing structure body (D) in a "I" shape.

3. The cover plate structure for facilitating cell integration of claim 2, wherein: The runway shape structure comprises two opposite straight line segments and two opposite arc line segments, the insertion grooves (C4) are in a strip shape and the number of the insertion grooves (C4) is two, the two insertion grooves (C4) are oppositely arranged and formed in the side wall of the straight line segment, and the upper surface of the limiting clamping strip (D3) is a smooth arc surface or an inclined surface.

4. The cover plate structure for facilitating cell integration of claim 3, wherein: A step I (C2) is arranged on the inner wall of the mounting seat enclosure (C1) and surrounds the lower part of the mounting seat enclosure (C1), a sealing ring (C3) is arranged on the step I (C2), the liquid passing structure body (D) comprises an insertion block I (D1) and an insertion block II (D2), the insertion block II (D2) is fixed to the upper surface of the insertion block I (D1) and forms a clamping step at the connecting position of the insertion block I (D1) and the insertion block II (D2), the clamping step is matched with the step I (C2) in structure, and the limiting clamping strip (D3) is arranged on the side wall of the insertion block I (D1).

5. The cover plate structure for facilitating cell integration of claim 1, wherein: The plurality of elastic connecting pieces (A4) are uniformly and symmetrically distributed on the bottom plate (A3), and the plurality of plug-in holes (B21) are uniformly and symmetrically distributed on the plug-in connector body.

6. The cover plate structure for facilitating cell integration of claim 1, wherein: The plug-in connector body comprises a first plug-in segment (B1) and a second plug-in segment (B2), the plug-in holes (B21) are through holes vertically formed in the height direction of the first plug-in segment (B1) and the second plug-in segment (B2), a step structure is formed at the connecting position of the first plug-in segment (B1) and the second plug-in segment (B2), a first clamping step (A2) is arranged at the bottom of the plug-in cavity, and the step structure is matched with the first clamping step (A2) in structure.

7. The cover plate structure for facilitating cell integration of claim 1, wherein: The elastic connecting piece (A4) comprises a large insertion column (A41), a small insertion column (A42) and a coil spring (A43), the small insertion column (A42) is fixedly connected with the upper end surface of the large insertion column (A41), the coil spring (A43) is sleeved on the small insertion column (A42) and one end thereof is fixedly connected with the upper end surface, and the lower end surface of the large insertion column (A41) is fixedly connected with the bottom plate (A3).

8. The cover plate structure for facilitating cell integration of claim 7, wherein: The connection part of the large insertion column (A41) and the small insertion column (A42) forms a stepped structure, a second clamping step (B22) is arranged in the insertion hole (B21), and the stepped structure is matched with the structure of the second clamping step (B22).

9. The cover plate structure for facilitating cell integration of claim 1, wherein: Four strip-shaped limiting grooves (A11) are uniformly arranged on the insertion seat surrounding fence (A1), and four extrusion pieces (B3) are arranged correspondingly to the four limiting grooves (A11).

10. The cover plate structure for facilitating cell integration of claim 1, wherein: The bottom plate (A3) is in a circular structure, the first clamping step (A2) is in a ring structure, and the insertion head body is in a cylindrical structure.

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