Tray assembly, shell device and battery pack

Abstract

According to the tray assembly, the shell device and the battery pack, the tray assembly comprises a sealing strip and a pulling line, the pulling line is arranged on the sealing strip, the sealing strip is used for connecting a tray and a mounting plate, the pulling line is used for tearing the sealing strip, and the convenience of separating a bottom protector of the shell device from the tray is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shell device protection, and in particular to a tray assembly, a shell device and a battery pack. Background Art

[0002] In order to prevent the shell device from being hit, scratched or otherwise damaged during use, which may lead to serious safety accidents, the manufacturer currently provides bottom protection for the shell device, that is, a polypropylene plate is used to protect the bottom of the shell device tray. In the prior art, the solution adopted for connecting the shell device bottom protection with the shell device tray is generally: the polypropylene plate is bonded to the bottom of the shell device tray by integral gluing, wherein the method of integrally gluing the polypropylene plate will lead to the problem of difficulty in separating the shell device bottom protection from the tray during later repairs. Utility Model Content

[0003] The utility model aims to provide a tray assembly, a shell device and a battery pack, which solve the problem that the bottom protection of the shell device is difficult to separate from the tray.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the utility model aims to provide a pallet assembly, comprising: a sealing strip; a pulling line, wherein the pulling line is arranged on the sealing strip; the sealing strip is used to connect the pallet and the mounting plate, and the pulling line is used to tear open the sealing strip.

[0006] In one embodiment, the sealing strip is annular and encloses a first space, one end of the pulling wire is located in the first space, and the other end is located on a side of the sealing strip facing away from the first space.

[0007] In a second aspect, the utility model also provides a shell device, comprising: a tray; a mounting plate, which is covered on the tray; a sealing strip, which is arranged on the edge of the mounting plate and the tray; a pulling line, which is arranged on the side of the sealing strip facing the tray, and the pulling line is used to tear open the sealing strip.

[0008] In one embodiment, the sealing strip is a solidified sealant.

[0009] In one embodiment, the dimension of the pulling line along the direction from the mounting plate to the tray is A1, and the dimension of the sealing strip along the direction from the mounting plate to the tray is A2, satisfying: A1≤A2.

[0010] In one embodiment, the sealing strip is annular and encloses a second space, the pulling line has a first end and a second end opposite to each other, the first end is located in the second space, and the second end is located on a side of the sealing strip opposite to the second space.

[0011] In one embodiment, the housing device includes a fixing ring, the first end is connected to the fixing ring, and the fixing ring is connected to the tray.

[0012] In one embodiment, the housing device further includes an operating portion, and the second end is connected to the operating portion.

[0013] In one embodiment, at least a portion of the pull line surrounds the mounting plate.

[0014] In one embodiment, the pull line is at least partially bent.

[0015] In one embodiment, the pulling line includes an arc segment and a straight line segment, and one end of at least one of the arc segments is connected to the straight line segment.

[0016] In a third aspect, the utility model further provides a battery pack, comprising the shell device as described in the second aspect.

[0017] By setting a tray assembly, the tray assembly includes a sealing strip and a pulling wire, the pulling wire is set on the sealing strip, the sealing strip is used to connect the tray and the mounting plate, and the pulling wire is used to tear the sealing strip. During the repair process of the shell device, the pulling wire is used to tear the sealing strip, so that the mounting plate and the tray can be quickly separated. The utility model improves the convenience of separating the bottom protection of the shell device from the tray. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a schematic diagram of the assembly of a tray assembly according to an embodiment;

[0020] Figure 2 is a schematic diagram of the assembly of a sealing strip according to an embodiment;

[0021] Figure 3 The figure is a schematic diagram of the assembly of the mounting plate of an embodiment.

[0022] Description of reference numerals:

[0023] 10-housing device, 11-sealing strip, 12-pulling line, 121-first end, 1211-fixing ring, 122-second end, 123-arc segment, 124-straight segment, 13-first space, 14-tray, 15-mounting plate, 16-second space. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0026] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0027] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0028] At present, the solution adopted for connecting the bottom protection of the shell device 10 and the tray 14 of the shell device 10 is generally: a polypropylene plate is bonded to the bottom of the tray 14 of the shell device 10 by an integral gluing method. Among them, the method of integrally gluing the polypropylene plate will lead to the problem of difficulty in separating the bottom protection of the shell device 10 and the tray 14 during later repairs.

[0029] To solve the above problems, the present invention provides a tray assembly. Figure 1 and Figure 2 , including a sealing strip 11, a pulling line 12, a tray 14 and a mounting plate 15.

[0030] Sealing strip 11. Optionally, the material of the sealing strip 11 includes silicon trioxide, polyurethane, acrylic resin and silane coupling agent, etc. The sealing strip 11 has the properties of high temperature resistance and chemical corrosion resistance.

[0031] The pulling wire 12 is arranged on the sealing strip 11. Optionally, the pulling wire 12 can be a steel wire, which has greater strength and better toughness.

[0032] The sealing strip 11 is used to connect the tray 14 and the mounting plate 15, and the pull line 12 is used to tear open the sealing strip 11. The sealing strip 11 is used to connect the tray 14 and the mounting plate 15, and only glue is applied at the edge of the mounting plate 15 to achieve a sealing effect, which greatly reduces the amount of glue and the bonding area, and reduces the cost and rework time.

[0033] By setting a tray assembly, the tray assembly includes a sealing strip 11 and a pulling wire 12, the pulling wire 12 is set on the sealing strip 11, the sealing strip 11 is used to connect the tray 14 and the mounting plate 15, and the pulling wire 12 is used to tear the sealing strip 11. During the repair process of the shell device 10, the pulling wire 12 is used to tear the sealing strip 11, so that the mounting plate 15 and the tray 14 can be quickly separated. The utility model improves the convenience of separating the bottom protection of the shell device 10 from the tray 14.

[0034] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The sealing strip 11 is annular and encloses a first space 13 . One end of the pulling line 12 is located in the first space 13 , and the other end is located on a side of the sealing strip 11 facing away from the first space 13 .

[0035] Optionally, the shape of the sealing strip 11 may also be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the sealing strip 11 may also be, but not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., which is not limited in the present invention.

[0036] Optionally, the shape of the first space 13 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the first space 13 may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., which is not limited in the present invention.

[0037] Specifically, the other end of the pulling line 12 is arranged on the side of the sealing strip 11 facing away from the first space 13. When rapid disassembly is required, the pulling line 12 can be used quickly, which greatly reduces the working time.

[0038] The present invention also provides a housing device 10, please refer to Figure 1 , Figure 2 and Figure 3 , including a sealing strip 11, a pulling line 12, a tray 14 and a mounting plate 15.

[0039] Tray 14. Optionally, the shape of the tray 14 can be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the tray 14 can be, but not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., which is not limited in the present invention.

[0040] The mounting plate 15 is covered on the tray 14. Optionally, the connection method between the mounting plate 15 and the tray 14 can be, but is not limited to, a snap connection, a bolt and nut connection, and a welding connection. Optionally, the connection method between the mounting plate 15 and the tray 14 is a bolt and nut connection. Optionally, when the mounting plate 15 is covered on the tray 14, the surface of the mounting plate 15 facing the tray 14 is the first surface, and the first surface is polished. The polishing method can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, and electrolytic polishing. The first surface is polished to improve the smoothness of the first surface and avoid scratching the tray 14. Optionally, the surface of the mounting plate 15 facing away from the tray 14 is the second surface, and the second surface is polished. The polishing method can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, and electrolytic polishing. The second surface is polished to improve the smoothness of the second surface and avoid scratching other components of the housing device 10.

[0041] Optionally, the shape of the mounting plate 15 can be polygonal, circular, elliptical, irregular, etc., which is not limited in the present invention. Optionally, the shape of the mounting plate 15 can be, but not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., which is not limited in the present invention. Optionally, the mounting plate 15 can be a polypropylene plate or a modified polyphenylene ether plate.

[0042] The sealing strip 11 is arranged at the edge of the mounting plate 15 and the tray 14. Optionally, the material of the sealing strip 11 includes silicon trioxide, polyurethane, acrylic resin and silane coupling agent, etc., and the sealing strip 11 has the properties of high temperature resistance and chemical corrosion resistance. The sealing strip 11 is used to connect the tray 14 and the mounting plate 15, and only glue is applied at the edge of the mounting plate 15 to play a sealing role, which greatly reduces the amount of glue and the bonding area, and reduces the cost and rework time.

[0043] The pulling wire 12 is arranged on the side of the sealing strip 11 facing the tray 14, and the pulling wire 12 is used to tear open the sealing strip 11. Optionally, the pulling wire 12 can be a steel wire. The pulling wire 12 is polished, and the polishing method can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing and electrolytic polishing, etc. The pulling wire 12 is polished to improve the smoothness of the pulling wire 12 and avoid scratching other parts. Optionally, the pulling wire 12 is chemically polished. The specific process is to use an oxidant solution to oxidize the surface of the pulling wire 12 under certain conditions. This oxide layer can gradually dissolve into the solution. The micro-protrusions of the pulling wire 12 are oxidized faster and more, while the micro-concave parts are oxidized slowly and less. Similarly, the oxide layer at the protrusions spreads more and faster than everywhere, and dissolves in the solution, so that the surface of the pulling wire 12 is gradually leveled to avoid scratching the mounting plate 15 or other parts of the housing device 10. Chemical polishing is used to treat the pulling wire 12, which can avoid affecting the material stiffness of the pulling wire 12 and make the pulling wire 12 smooth and glossy. This type of polishing is simple to operate and has high processing efficiency.

[0044] Optionally, the sealing strip 11 and the pulling wire 12 are an integrated structure, and the sealing strip 11 includes the pulling wire 12 in the colloid.

[0045] In one embodiment, the sealing strip 11 is a solidified sealant.

[0046] Optionally, the material of the sealant includes silicon trioxide, polyurethane, acrylic resin and silane coupling agent, etc., which is not limited in the present invention. After the sealant is set on the edge of the mounting plate 15 and the tray 14, the sealant is solidified.

[0047] Specifically, the above arrangement improves the convenience and flexibility of the arrangement of the sealing strip 11 .

[0048] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The dimension of the pulling line 12 along the mounting plate 15 toward the tray 14 is A1, and the dimension of the sealing strip 11 along the mounting plate 15 toward the tray 14 is A2, satisfying: A1≤A2.

[0049] Optionally, when the cross section of the pulling wire 12 is circular and the cross section of the sealing strip 11 is circular, the diameter of the pulling wire 12 is smaller than the diameter of the sealing strip 11. Optionally, the diameter of the pulling wire 12 is 5 mm to 15 mm, and the diameter of the sealing strip 11 is 20 mm to 30 mm.

[0050] Specifically, the above arrangement improves the structure of the pulling line 12 and the sealing strip 11 .

[0051] In one embodiment, please refer to Figure 1 , Figure 2and Figure 3 The sealing strip 11 is annular and encloses a second space 16 . The pulling line 12 has a first end 121 and a second end 122 opposite to each other. The first end 121 is located in the second space 16 , and the second end 122 is located on the side of the sealing strip 11 facing away from the second space 16 .

[0052] Specifically, the second end 122 extends to the outer edge of the tray.

[0053] Optionally, the distance between the first end 121 and the second end 122 of the pulling line 12 is the length of the pulling line 12 .

[0054] Specifically, the second end 122 of the pulling line 12 is arranged on the side of the sealing strip 11 facing away from the second space 16 . When rapid disassembly is required, the pulling line 12 can be used quickly, which greatly reduces the working time.

[0055] Optionally, the shape of the sealing strip 11 may also be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the sealing strip 11 may also be, but not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., which is not limited in the present invention.

[0056] Optionally, the shape of the second space 16 may be polygonal, circular, elliptical, irregular, etc. Optionally, the shape of the second space 16 may be, but is not limited to, quadrilateral, pentagon, hexagon, octagon, circular, elliptical, etc., which is not limited in the present invention.

[0057] Specifically, the above arrangement improves the positional relationship between the pulling line 12 and the sealing strip 11 , and improves the convenience of pulling the sealing strip 11 by the pulling line 12 .

[0058] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The housing device 10 includes a fixing ring 1211 , the first end 121 is connected to the fixing ring 1211 , and the fixing ring 1211 is connected to the tray 14 .

[0059] Optionally, the first end 121 and the fixing ring 1211 may be an integrated structure or may be connected and fixed. Optionally, the connection method between the first end 121 and the fixing ring 1211 may be, but is not limited to, a snap connection, a riveted connection, and a welding connection. Optionally, the connection method between the first end 121 and the fixing ring 1211 is a welding connection, and the specific welding method between the first end 121 and the fixing ring 1211 is brazing, using a metal material with a lower melting point than the first end 121 and the fixing ring 1211 as a brazing material, heating the first end 121, the fixing ring 1211 and the brazing material to a temperature higher than the melting point of the brazing material and lower than the melting point of the first end 121 and the fixing ring 1211, and using liquid brazing material to wet the first end 121 and the fixing ring 1211, filling the interface gap and achieving mutual diffusion between atoms with the first end 121 and the fixing ring 1211, thereby achieving welding, and the welding connection method is simple to operate and has a stable connection. The present invention is described by taking brazing as an example of connection, which should not be construed as limiting the present invention.

[0060] Optionally, the fixing ring 1211 may be a fixing ring, a positioning pin is provided on the tray 14, the positioning pin is provided in the second space 16 near the edge of the mounting plate 15, and the fixing ring is hung on the positioning pin.

[0061] Optionally, the fixing ring 1211 may be a bolt, a first threaded hole is provided on the tray 14, and the bolt cooperates with the first threaded hole. Optionally, the fixing ring 1211 may be a snap-fit ​​locating member, a snap-fit ​​fastener is provided on the tray 14, and the snap-fit ​​locating member cooperates with the snap-fit ​​fastener.

[0062] Specifically, the fixing ring 1211 is connected to the tray 14, and only a slight modification needs to be made to the structure of the existing tray 14, such as adding the pulling line 12 and the fixing ring 1211. This quick-release structure has good compatibility and can be set on trays 14 of various shapes and structures.

[0063] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The housing device further includes an operating portion, and the second end is connected to the operating portion.

[0064] Optionally, when disassembly is required, the operating end can be manually pulled up to pull up the entire pulling line 12 .

[0065] Specifically, the configuration of the operating portion improves the convenience of tearing open the sealing strip 11 .

[0066] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , at least part of the pulling wire 12 surrounds the mounting plate 15 .

[0067] Optionally, the pulling wire 12 is in close contact with the mounting plate 15 , and there is no spacing between the pulling wire 12 and the mounting plate 15 .

[0068] Optionally, the pull line 12 and the mounting plate 15 have a spacing distance, and the range of the distance is 5 mm to 20 mm. Optionally, the distance between the pull line 12 and the mounting plate 15 can be, but is not limited to, 5 mm, 10 mm, 15 mm, and 20 mm, etc., which is not limited in the present invention.

[0069] Specifically, the arrangement of the pulling wire 12 improves the positional relationship between the pulling wire 12 and the mounting plate 15 .

[0070] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the pulling line 12 is at least partially bent.

[0071] Optionally, the shape of the pull line 12 can also be polygonal, circular, elliptical and irregular, etc. Optionally, the shape of the pull line 12 can also be, but not limited to, quadrilateral, pentagon, hexagon, octagon, circular and elliptical, etc., which is not limited in the present invention.

[0072] Specifically, the configuration of the pulling wire 12 improves the flexibility of arranging the pulling wire 12 .

[0073] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 3 The pulling line 12 includes an arc segment 123 and a straight segment 124 , and one end of at least one arc segment 123 is connected to the straight segment 124 .

[0074] Optionally, the arc segment 123 and the straight segment 124 may be an integrated structure or may be connected and fixed. Optionally, the connection method between the arc segment 123 and the straight segment 124 may be, but is not limited to, a snap connection, a riveted connection, a welding connection, etc., which is not limited in the present invention. Optionally, the connection method between the arc segment 123 and the straight segment 124 is a welding connection, and the specific welding method between the arc segment 123 and the straight segment 124 is brazing.

[0075] Specifically, the configuration of the pulling wire 12 improves the flexibility of arranging the pulling wire 12 .

[0076] Optional, please refer to Figure 1 , Figure 2 and Figure 3 , the number of straight line segments 124 is multiple, and the number of arc segments 123 is multiple.

[0077] Optionally, the number of straight segments 124 ranges from 10 to 20. Optionally, the number of straight segments 124 may be, but not limited to, 10, 11, 15, and 20, etc., which is not limited in the present invention. Optionally, the number of arc segments 123 ranges from 10 to 20. Optionally, the number of arc segments 123 may be, but not limited to, 10, 11, 15, and 20, etc., which is not limited in the present invention.

[0078] Specifically, the configuration of the pulling wire 12 improves the flexibility of arranging the pulling wire 12 .

[0079] The embodiment of the present invention further provides a battery pack, comprising the housing device 10 as described above.

[0080] Optionally, the battery pack also includes a protective plate and a protective plate fixing bolt. The protective plate is used to withstand impact, scratches, chemical corrosion, etc. The protective plate fixing bolts are used to install the protective plate on the battery tray 14. Optionally, there are multiple protective plate fixing bolts, and the multiple protective plate fixing bolts are arranged at intervals. A plurality of second threaded holes are provided on the tray 14, and each protective plate fixing bolt cooperates with a second threaded hole. Optionally, the number of protective plate fixing bolts ranges from 60 to 120. Optionally, the number of protective plate fixing bolts can be but is not limited to 60, 70, 100 and 120, etc., and the utility model does not limit this.

[0081] Optionally, the connection between the protective plate and the tray 14 may be, but is not limited to, a snap connection, a bolt and nut connection, a riveted connection, a welding connection, etc. Optionally, the connection between the protective plate and the tray 14 is a bolt and nut connection.

[0082] During the assembly process of the battery pack, one end of the pull wire 12 is fixed to the tray 14 of the shell device 10, and then it is arranged along the inner side of the gluing path for a circle, and then the other end is extended to the outer edge of the tray 14. Next, the polypropylene board (or modified polyphenylene ether board) is installed, and the edge is filled with sealant. Finally, the protective plate is installed and fixed with bolts.

[0083] During the repair process of the battery pack, the bolts used to fix the protective plate are first removed, and then the pull line 12 extending to the outer edge of the tray 14 is straightened, and a circle is cut along the glue application to cut the sealant, ultimately achieving the effect of quickly separating the bottom protection of the shell device 10 from the tray 14 of the shell device 10.

[0084] Optionally, the device equipped with the battery pack may be a car, a mobile power station, a ship, etc., which is not limited in the present utility model.

[0085] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0086] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A tray assembly, It is characterized in that include: Sealing strips; A pulling line, the pulling line is arranged on the sealing strip; The sealing strip is used to connect the tray and the mounting plate, and the pulling line is used to tear open the sealing strip.

2. The tray assembly according to claim 1, It is characterized in that The sealing strip is annular and encloses a first space. One end of the pulling wire is located in the first space, and the other end is located on a side of the sealing strip facing away from the first space.

3. A housing device, It is characterized in that include: tray; A mounting plate, covering the tray; A sealing strip, arranged at the edge of the mounting plate and the tray; A pulling line is arranged on a side of the sealing strip facing the tray, and the pulling line is used to tear open the sealing strip.

4. The housing device according to claim 3, It is characterized in that The sealing strip is a solidified sealant.

5. The housing device according to claim 3, It is characterized in that The dimension of the pulling line along the direction from the mounting plate to the tray is A1, and the dimension of the sealing strip along the direction from the mounting plate to the tray is A2, satisfying: A1≤A2.

6. The housing device according to claim 3, It is characterized in that The sealing strip is annular and encloses a second space. The pulling line has a first end and a second end opposite to each other. The first end is located in the second space, and the second end is located on a side of the sealing strip opposite to the second space.

7. The housing device according to claim 6, It is characterized in that The housing device comprises a fixing ring, the first end is connected to the fixing ring, and the fixing ring is connected to the tray.

8. The housing device according to claim 6, It is characterized in that The housing device further includes an operating portion, and the second end is connected to the operating portion.

9. The housing device according to claim 3, It is characterized in that At least a portion of the pull wire surrounds the mounting plate.

10. The housing device according to claim 3, It is characterized in that The pulling line is at least partially bent.

11. The housing device according to claim 10, It is characterized in that The pulling line includes an arc segment and a straight line segment, and one end of at least one arc segment is connected to the straight line segment.

12. A battery pack, It is characterized in that Comprising a housing device as claimed in any one of claims 3 to 11.

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