CN218731364U - Sealing structure and battery pack - Google Patents

Abstract

The utility model discloses a seal structure and battery package belongs to the battery and makes technical field, and this seal structure includes: the bottom shell comprises a top surface, a first connecting piece and a first baffle, and the first connecting piece and the first baffle are arranged on the top surface; the top surface comprises a first area, the first area extends from the first baffle to the first connecting piece, and the first connecting pieces are distributed in a closed ring shape in the first area; the face shell comprises a first opening, and the face shell is in annular sealing contact with the top surface through a first connecting piece so that the bottom shell seals the first opening. The sealing structure can solve the problem of poor sealing effect in the existing sealing process.

Description

Sealing structure and battery pack

Technical Field

The utility model belongs to the technical field of the battery is made, concretely relates to seal structure and battery package.

Background

In electronic single wheel, two rounds or the short distance car of riding instead of walk more than the two rounds, most of power battery box can't form airtight protection through the covering structure spare of automobile body, in order to prevent that outside steam, dust etc. from getting into the inside potential safety hazard that causes of power battery box, need seal protection to power battery box to guarantee that it satisfies certain barrier propterty.

At present, a common cavity sealing process is used for realizing a sealing effect, for example, compression sealing is realized by collecting elastomer materials, and common elastomer materials include foam, silica gel, rubber and foaming glue; the waterproof effect is realized by adopting a full pouring sealant sealing mode; and the sealing can be carried out by adopting a mode of extruding glue by using a shell after the local glue is filled.

However, in the production process, the above sealing modes all have certain disadvantages, for example, the elastomer compression sealing mode has high requirement on stress balance, insufficient compression is easy to cause water failure, the full-pouring sealant mode can increase the weight of the monomer, and the mode of locally gluing needs to increase the waterproof board.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a sealing structure, which solves the technical problem of poor sealing effect in the existing sealing process; another object of the utility model is to provide a battery pack to solve present battery pack and expose in the external world, take place easily because of the not good technical problem who leads to external steam, dust etc. to get into inside the battery and cause the potential safety hazard of battery leakproofness.

The technical scheme is as follows: the utility model relates to a sealing structure, include: the bottom shell comprises a top surface, a first connecting piece and a first baffle, and the first connecting piece and the first baffle are arranged on the top surface; the top surface comprises a first area, the first area extends from the first baffle to the first connecting piece, and the first connecting pieces are distributed in a closed ring shape in the first area; the face shell comprises a first opening, and the face shell is in annular sealing contact with the top surface through the first connecting piece, so that the bottom shell seals the first opening.

In some embodiments, a gel is disposed within the first region.

In some embodiments, the bottom case further includes a recess disposed on the top surface.

In some embodiments, the bottom case further includes a second barrier disposed on the top surface.

In some embodiments, the first connector and the first baffle are disposed from a local protrusion of the top surface, the recess is formed from a local concavity of the top surface, the second baffle is disposed from a local protrusion of the top surface, the second baffle is disposed around the first baffle, the recess is disposed around the second baffle, and the first connector is disposed around the recess.

In some embodiments, the first region is a flat surface; the leveling surface of the first area is designed to enable the leveling effect of the glue and the glue in the first area.

In some embodiments, the second baffle includes a first height, the first height is a distance from an end of the second baffle opposite to the top surface, the first connector includes a second height, the second height is a distance from an end of the first connector opposite to the top surface, and the first height is greater than the second height.

In some embodiments, the first connecting member includes a first extending direction and a first cross section, the first extending direction is a direction in which the top surface faces the first connecting member perpendicularly, the first cross section is a cross section of the first connecting member in the first extending direction, and the first cross section is tapered; the first connecting piece comprises a tip end, and the tip end is arranged at one end, deviating from the top surface, of the first connecting piece.

In some embodiments, the face shell includes a first side wall, and the first side wall encloses a receiving cavity, and the receiving cavity is communicated with the first opening; the first side wall is in contact with the first connecting piece through a plurality of second connecting pieces, and the connecting mode is any one of fixed connection and detachable connection; the groove comprises a second side wall and a third side wall, the second side wall is in contact with the first connecting piece, the third side wall is opposite to the second side wall, and the third side wall is in contact with the first baffle. The groove is arranged in an area clamped between the second baffle and the first connecting piece, the groove is directly connected with the first connecting piece, the groove is used as a glue overflow groove, so that glue can reach the groove in advance and can be used as a buffer area when the first side wall and the first connecting piece are extruded, the phenomenon that bubbles or gaps still exist after the first connecting piece is extruded and deformed is prevented from occurring, the groove is directly connected with the second baffle, and the second baffle is used for limiting or positioning the first side wall extending above the groove, so that the overall sealing design is enhanced. And the first height of the second baffle is greater than the second height of the first connecting piece, so that the second baffle can limit the first side wall.

In some embodiments, the first baffles are distributed in a closed ring shape, and the first baffles and the top surface are enclosed to form a second area; the bottom shell further comprises a bottom surface and a reinforcing part, and the reinforcing part is arranged on the bottom surface; and the reinforcement portion is disposed in the second region of the top surface; the reinforcement includes a plurality of reinforcing ribs connected to form a honeycomb network.

In some embodiments, the top surface, the first connector, the groove, the first baffle, and the second baffle are all integrally formed with the bottom case.

In some embodiments, the face shell is an aluminum cylindrical structural member; the bottom shell is a plastic structural part; the first connecting piece is an elastic rubber structural piece.

Correspondingly, the utility model provides a pair of battery package, include: a sealing structure as described above.

Has the advantages that: compared with the prior art, the utility model provides a sealing structure, which comprises a bottom shell, wherein the bottom shell comprises a top surface, a first connecting piece and a first baffle plate, and the first connecting piece and the first baffle plate are arranged on one side of the top surface, which is far away from the bottom shell; the top surface comprises a first area, and the first area extends from the first baffle plate to the first connecting piece; the face shell, the face shell includes first opening, and the top surface is connected with the face shell through first connecting piece to make the sealed first opening of drain pan, and be used for making the later stage casting glue only distribute in first region, in order to realize reducing the purpose of glue quantity and casting glue time. It can be understood that the sealing structure can solve the problem of poor sealing effect in the existing sealing process.

Compared with the prior art, the utility model provides a pair of battery package, including seal structure. It can be understood that this battery package utilizes seal structure's first connecting piece to fill between face-piece and drain pan, realizes sealed effect, can solve present battery package and expose in the external easy emergence because of the battery leakproofness well leads to inside the problem that causes the potential safety hazard of entering battery such as external steam, dust.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a sealing structure according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of the bottom case according to the embodiment of the present invention;

FIG. 3 is a schematic perspective view of the bottom case of FIG. 2 taken along line B-B;

FIG. 4 is an enlarged schematic view of region A in FIG. 3;

FIG. 5 is an enlarged schematic view of the gel at B of FIG. 4;

fig. 6 is a schematic structural view illustrating the bottom case and the outer case of the embodiment of the present invention connected by a second connecting member;

FIG. 7 is a cross-sectional structural view in longitudinal section of the seal structure of FIG. 6;

FIG. 8 is an enlarged schematic view of region C of FIG. 7;

fig. 9 is a schematic perspective view of the honeycomb structure on the outer side surface of the bottom case of fig. 2;

FIG. 10 is a schematic cross-sectional view of a seal structure in a longitudinal section;

FIG. 11 is an enlarged schematic view of FIG. 10 at area E;

reference numerals: 100-a bottom shell; 101-a top surface; 102-a first connector; 1021-a tip; d1-first direction of extension; d2-second direction of extension; 1022 — a first cross-section; w1-cross-sectional width; h2-second height; 103-a groove; 1031-second side wall; 1032-a third sidewall; 104-a first baffle; 105-a first region; 106-colloid; 107-a second baffle; h1 — first height; 108-a second connector; 109-a second region; 110-a reinforcement; 111-a bottom surface; 200-a face shell; 201-a first opening; 202-a second opening; 203-a first side wall; 2031 — a first thickness; 204-a receiving cavity; 300-a first area; 300-a top cover; 400-handle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 11, the present application provides a sealing structure including a bottom case 100, a face case 200, a top cover 300 and a handle 400. The bottom case 100 is disposed opposite to the top case 300, the face case 200 is disposed between the bottom case 100 and the top case 300, and the handle 400 is disposed on the top of the top case 300. Referring to fig. 2 to 5, the bottom case 100 includes a top surface 101, a first connecting member 102, a recess 103, a first blocking plate 104, a glue 106, a second blocking plate 107, and a reinforcing portion 110. Referring to fig. 6 and 7, the panel housing 200 includes a first opening 201, a second opening 202, a sidewall 203, and a receiving cavity 204.

In this embodiment, the first connecting member 102 and the first baffle 104 are disposed on the top surface 101, the first connecting member 102 and the first baffle 103 are both disposed on the top surface 101 in a protruding manner, the groove 103 is disposed on the top surface 101, specifically, the groove 103 is formed from a local concave portion of the top surface 101, the groove 103 is concavely disposed in the bottom case 100, the groove 103 is disposed around the first baffle 104, and the first connecting member 102 is disposed around the groove 103; the top surface 101 comprises a first area 105, the first area 105 extends from the first baffle 104 to the first connecting member 102, the first area 105 is distributed in a closed ring shape, and the first area 105 is used for being filled with the colloid 106; the front case 200 includes a first opening 201, the front case 200 forms an annular sealing contact with the top surface 101 through the first connector 102, and the bottom case 100 seals the first opening 201.

As shown in fig. 6 and 7, the face shell 200 includes a first sidewall 203, the first sidewall 203 encloses to form a receiving cavity 204, and two ends of the receiving cavity 204 are respectively communicated with the first opening 201 and the second opening 202. In this embodiment, the panel 200 has four first sidewalls 203, a receiving cavity defined by the four first sidewalls 203 is a square receiving cavity enclosed in the circumferential direction, and the square receiving cavity has two openings, i.e., a first opening 201 and a second opening 202, with reference to fig. 1, the first opening 201 faces the bottom case 100, the second opening 202 faces the top cover 300, the bottom case 100 is installed at the first opening 201, and the top cover 300 is installed at the second opening 202.

Referring to fig. 2 to 5, the top surface 101 is located on the top of the bottom case 100, the top cover 200 is joined to the top surface 101 of the bottom case 100 at the first opening 201, and four first sidewalls 203 of the top cover 200 are mounted on the top surface 101 of the bottom case 100. In addition, in order to achieve the sealing between the face housing 200 and the bottom housing 100, the embodiment of the present invention improves the structure of the bottom housing 100 as follows.

The bottom shell 100 is provided with a first connecting member 102 at a position corresponding to the first opening 201 and connected with the face shell 200, and the first connecting member 102 is distributed in a closed ring shape and is convexly arranged on the top surface 101.

The shape of the first connecting member 102 distributed on the annular extension of the top surface 101 and the position of the first connecting member 102 on the top surface 101 are designed according to the engaging position between the bottom case 100 and the face case 200 and the shape of the first opening 201 of the face case 200. Based on the closed shape of the square-frame-shaped receiving cavity formed by the four first sidewalls 203 of the face shell 200 and the first opening 201 communicated with the square-frame-shaped receiving cavity, the shape of the first connecting element 102 is designed to be correspondingly annular, and the first connecting element 102 is disposed in the region where the face shell 200 is jointed with the top surface 101 at the first opening 201.

Moreover, the first connecting piece 102 includes a first extending direction D1 and a first cross section 1022, the first extending direction D1 is a direction in which the top surface 101 faces the first connecting piece 102 perpendicularly, the first cross section 1022 is a cross section of the first connecting piece 102 in the first extending direction D1, wherein the first cross section 1022 is a cone, and the cone is specifically a triangle; and the first connecting piece 102 further comprises a tip 1021, the tip 1021 is arranged at an end part of the first connecting piece 102, which is far away from the top surface 101, and the tip 1021 faces the bottom of the first side wall 203 of the face shell 200.

The first section 102 further includes a second extending direction D2 and a section width W1, the second extending direction D2 is a direction pointing to the groove 103 from the first connecting member 102, and the section width W1 is a width of the first section 1022 in the second extending direction D2; the first sidewall 203 of the face shell 200 includes a first thickness 2031, where the first thickness 2031 is the first thickness 2031 of the first sidewall 203 from the outside of the face shell 200 to the inside of the receiving cavity 204; the cross-sectional width W1 of the first cross-section 1022 of the first connecting member 102 in the second extending direction D2 is smaller than the first thickness 2031 of the first sidewall 203 of the mask 200. That is, when the first sidewall 203 is connected to the top surface 101 through the first connecting member 102, the first sidewall 203 also extends above the groove 103, and the first sidewall 203 extends between the second baffle 107 and the first connecting member 101.

The bottom case 100 is a plastic component, the face case 200 is an aluminum tube component, the first connecting member 102 is an elastic plastic component, and the first connecting member 102 may be made of PVC. The first connecting member 102 is integrally formed with the top surface 101 of the bottom case 100, and the first connecting member 102 is integrally formed with the bottom case 100 through an injection molding process.

As shown in fig. 3, 4 and 5, the closed annular interior of the first connecting member 102 is defined as the inner side of the first connecting member 102, wherein the grooves 103 are distributed along the inner side of the first connecting member 102. Namely, the grooves 103 extend annularly and are located inside the first connecting member 102, and the grooves 103 are connected with the first connecting member 102. The recess 103 is integrally formed with the bottom chassis 100.

As shown in fig. 2, the first baffle 104 is disposed on the top surface 101, and the first baffle 104 is formed by a local protrusion from the top surface 101, the first baffle 104 extends annularly, and the first baffle 104 and the bottom case 100 are integrally formed at the top surface 101. The first connecting member 102 and the first baffle plate 104 are clamped to form an annular area, and the groove 103 is recessed in the annular area between the first connecting member 102 and the first baffle plate 104.

The first region 105 is used as a glue filling region of a joint portion of the bottom case 100 and the face case 200. The first region 105 is a rectangular-square region, and the first region 105 is a region that needs to be waterproof and sealed. The first area 105 is designed to be a flat surface, so that glue can overflow easily during glue filling. The glue in the first region 105 is selected to be glue with appropriate viscosity, so as to realize the functions of water resistance and internal structure bonding.

The first connecting piece 102 is arranged at the joint of the bottom case 100 and the face case 200, the first side wall 203 is connected with the first connecting piece 102 through the plurality of second connecting pieces 108, specifically, the second connecting pieces 108 are screws, the bottom case 100 and the face case 200 are locked by uniformly arranged screws, and the second connecting pieces 108 are screwed tightly, so that the first connecting piece 102 on the bottom case 100 is compressed after being stressed, the first connecting piece 102 fills the gap between the top surface 101 of the bottom case 100 and the face case 200, and the glue leakage phenomenon can be prevented primarily when the first area 105, namely the glue filling area, is filled with glue.

That is, the first connecting member 102 is a thin adhesive structure for realizing the function of the ultrasonic wave line, and the second connecting member 108, that is, the screw, is used for locking the face shell 200 and the bottom shell 100 and then compressing the first connecting member 102, so that the gap between the face shell 200 and the top surface 101 can be filled first, and then the first area 105 is locally filled with adhesive, thereby realizing the waterproof effect.

Moreover, the first area 105 is designed to be a square-shaped area, so that when glue is filled in the first area 105, the glue only overflows into the first area 105, and the design of the first area 105 can reduce the glue consumption and the glue filling time in the glue filling process, thereby being beneficial to improving the glue filling operation efficiency.

The recess 103 is designed in the first area 105 of the bottom housing 100 such that when the glue filling operation is performed in the first area 105, the glue preferentially reaches the recess 103, ensuring that the glue completely fills the gap between the top surface 101 of the bottom housing 100 and the top surface 200 of the top housing 200. It should be understood that after the first sidewall 203 of the panel case 200 is connected to the top surface 101 of the bottom case 100 through the first connecting member 102 and is reinforced by the second connecting member 108, a phenomenon that the first sidewall 203 is not tightly sealed with the top surface 101 due to bubbles in the first connecting member 102, etc., occurs, and thus the design of the groove 103 is necessary.

As shown in fig. 7 and 8, the second baffles 107 extend annularly, the second baffles 107 are disposed on the top surface 101, and the second baffles 107 are formed by local protrusions from the top surface 101, the second baffles 107 are disposed around the first baffle 104, that is, the second baffles 107 are located between the first baffle 104 and the groove 103, that is, the groove 103 is located between the second baffles 107 and the first connecting member 102. The second baffle 107 is integrally connected to the bottom case 100.

The recess 103 includes a second side wall 1031, the second side wall 1031 being connected to the inside of the first connecting member 102; the recess 103 further comprises a third side wall 1032, the third side wall 1032 being arranged opposite to the inner side of the second side wall 1031, the third side wall 1032 being connected to the second shutter 105.

After the front case 200 is connected to the top surface 101 of the bottom case 100 by the first connecting member 102 and assembled by the second connecting member 108, the first sidewall 203 of the front case 200 extends over the area between the second sidewall 1031 and the third sidewall 1032 of the recess 103, and the sidewall 203 of the front case 200 extends over the area between the second baffle 105 and the first connecting member 102.

It should be noted that the second barrier 107 includes a first height H1, the first height H1 is a distance from an end of the second barrier 107 away from the top surface 101 to the top surface 101, the first connector 102 includes a second height H2, the second height H2 is a distance from an end of the first connector 102 away from the top surface 101 to the top surface 101, and the first height H1 is greater than the second height H2. The second baffle 107 is used for limiting the first sidewall 203 of the face housing 200, so that when the first sidewall 203 is butted with the top surface 101 of the bottom housing 100 through the first connecting piece 102 and the groove 103, the positions of the first sidewall 203 relative to the first connecting piece 102 and the groove 103 are relatively accurate, and the phenomenon that the first sidewall 203 is stuck to be inclined or the first sidewall 203 is not in sealing butt joint with the top surface 101 is prevented.

In addition, the first baffle 104 is a closed annular baffle, the first baffle 104 and the top surface 101 enclose a second area 109, the bottom case 100 further includes a reinforcement portion 110, the reinforcement portion 110 is disposed on the top surface 101, and the reinforcement portion 110 is located in the second area 109, and the bottom case 100 further includes a bottom surface 111, the bottom surface 111 includes the reinforcement portion 110, the bottom surface 111 is disposed on a side of the bottom case 100 away from the top surface 101, and the reinforcement portion 112 is disposed on the bottom surface 111; the reinforcing part 110 is a honeycomb net structure formed by connecting reinforcing ribs or reinforcing ribs, and the reinforcing part 110 is integrally connected with the bottom case 100. The honeycomb structure is designed on the bottom case 100 as the reinforcing part 110, which can increase the strength of the bottom case 100, and the reinforcing part 110 located in the second region 109 and the first baffle 104 together serve as a retaining wall, which can reduce the amount of glue, increase the phenomenon of glue overflow when blocking glue pouring, and achieve better confidential packaging effect.

The utility model discloses a sealing structure, including drain pan 100 and face-piece 200, drain pan 100 includes top surface 101, first connecting piece 102, recess 103 and first baffle 104, and first connecting piece 102 and first baffle 104 set up on top surface 101, and recess 103 sets up around first baffle 104, and first connecting piece 102 sets up around recess 103; the top surface 101 comprises a first area 105, the first area 105 extends from the first baffle 104 to the first connecting member 102, and the first area 105 is used for arranging the glue 106; the face shell 200 includes a first opening 201, the face shell 200 forms an annular sealing contact with the top surface 101 through the first connecting member 102, the bottom shell 100 seals the first opening 201, and the glue 106 is only distributed inside the first region 105 to achieve the purpose of reducing the glue amount and the glue filling time. According to the sealing structure, the first connecting piece 102 is used as an anti-glue leakage structure, and the first connecting piece 102 is integrated on the bottom shell 100, so that the requirement that an assembly station needs to be increased due to the fact that an elastomer material is detachably combined with the bottom shell or the face shell in the prior art is eliminated, and the elastomer is not required to be compressed by an elastic material or subjected to plastic secondary injection molding when being assembled, so that the material cost and the assembly cost are reduced; the groove 103 is designed in the first area 105 of the bottom case 100 to partition the area without glue, thereby reducing the glue amount and the glue filling time. By utilizing the design of the sealing structure, automatic operation can be further realized to replace manual work, continuous operation can be realized, and the next procedure operation is not required to be started after glue is cured, so that the production efficiency is improved. And the reinforcement part 110 is designed on the bottom case 100 to reinforce the strength, and the first region 105 is configured as a flat surface, so that the amount of glue can be reduced. Therefore, the sealing structure can solve the technical problem of poor sealing effect in the existing sealing process.

In addition, adopt the elastomer compression sealing mode equipment elastomer material to lead to inefficiency more slowly among the prior art, the mode of full casting glue can increase monomer weight, the volume of gluing uses greatly, thereby the embedment operation is inefficiency slowly, and is with high costs, the mode of adopting local beating to glue needs to increase the waterproof board, can increase material cost, need use the dispensing equipment, lead to the operating efficiency low, this seal structure of this application can solve among the current sealing process sealed effect not good, the equipment operation or the dispensing operation inefficiency, the volume of gluing uses greatly, the problem of material cost high.

The utility model also provides a battery package, include as above seal structure, this battery package still includes battery pack.

The battery pack adopts an IPX7 waterproof structure, the surface shell 200 of the sealing structure is designed into an aluminum shell, so that the heat dissipation can be increased, and the strength can be increased by the design of the bottom shell 100 of the sealing structure; the first connecting member 102 and the glue 106 are filled between the top case 200 and the bottom case 100, so as to enhance the mechanical strength. The utility model discloses a battery pack can solve current battery pack and expose in the external world, takes place easily because of the not good technical problem who leads to external steam, dust etc. to get into inside the battery and cause the potential safety hazard of battery leakproofness.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The sealing structure and the battery pack provided by the embodiment of the present invention are described in detail above, and a specific example is applied to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understand the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present invention in its various embodiments.

Claims (12)

1. A sealing structure, comprising:

a bottom case (100), wherein the bottom case (100) comprises a top surface (101), a first connecting piece (102) and a first baffle (104), and the first connecting piece (102) and the first baffle (104) are arranged on the top surface (101); the top surface (101) comprises a first area (105), the first area (105) extends from the first baffle plate (104) to the first connecting piece (102), and the first connecting piece (102) is distributed in a closed ring shape in the first area (105);

a face shell (200), the face shell (200) comprising a first opening (201), the face shell (200) forming an annular sealing contact with the top surface (101) through the first connector (102) so that the bottom shell (100) seals the first opening (201).

2. The sealing structure according to claim 1, characterized in that a gel (106) is provided in the first area (105).

3. The sealing structure of claim 2, wherein the bottom case (100) further comprises a groove (103) provided on the top surface (101).

4. The sealing structure of claim 3, wherein the bottom case (100) further comprises a second shutter (107) provided on the top surface (101).

5. The sealing structure according to claim 4, characterized in that the first connector (102) and the first flap (104) are arranged from a local protrusion of the top surface (101), the groove (103) is formed from a local concavity of the top surface (101), the second flap (107) is formed from a local protrusion of the top surface (101), the second flap (107) is arranged around the first flap (104), the groove (103) is arranged around the second flap (107), and the first connector (102) is arranged around the groove (103).

6. The sealing structure according to claim 5, characterized in that the second flap (107) comprises a first height (H1), the first height (H1) being the distance from an end of the second flap (107) facing away from the top surface (101) to the top surface (101), the first connector (102) comprising a second height (H2), the second height (H2) being the distance from an end of the first connector (102) facing away from the top surface (101) to the top surface (101), the first height (H1) being greater than the second height (H2).

7. The sealing structure according to claim 1, characterized in that the first connector (102) comprises a first direction of extension (D1), a first cross section (1022), the first direction of extension (D1) being a direction of the top surface (101) perpendicularly towards the first connector (102), the first cross section (1022) being a cross section of the first connector (102) in the first direction of extension (D1), the first cross section (1022) being tapered;

the first connecting piece (102) comprises a tip end (1021), and the tip end (1021) is arranged at one end of the first connecting piece (102) away from the top surface (101).

8. The sealing structure of claim 3, wherein the face shell (200) comprises a first side wall (203), the first side wall (203) encloses a receiving cavity (204), and the receiving cavity (204) is communicated with the first opening (201); the first side wall (203) is in contact with the first connector (102) through a plurality of second connectors (108);

the recess (103) comprises a second side wall (1031) and a third side wall (1032), the second side wall (1031) is in contact with the first connecting piece (102), the third side wall (1032) is arranged opposite to the second side wall (1031), and the third side wall (1032) is in contact with the first baffle (104).

9. The sealing structure of claim 1, wherein the first baffle (104) is distributed in a closed ring shape, and the first baffle (104) and the top surface (101) enclose to form a second area (109); the bottom shell (100) further comprises a bottom surface (111) and a reinforcing part (110), the bottom surface (111) is arranged on one side of the bottom shell (100) departing from the top surface (101), and the reinforcing part (110) is arranged on the bottom surface (111); and said reinforcement (110) is arranged in said second region (109) of said top surface (101); the reinforcement (110) includes a plurality of reinforcing ribs connected to form a honeycomb network.

10. The sealing structure of claim 5, wherein the top surface (101), the first connector (102), the recess (103), the first flap (104), and the second flap (107) are all integrally formed with the bottom case (100).

11. The seal structure of claim 1, wherein the face housing (200) is an aluminum cylindrical structural member; the bottom shell (100) is a plastic structural part; the first connecting piece (102) is an elastic glue structural piece.

12. A battery pack, comprising:

the sealing structure of any one of claims 1 to 11.

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