A sealed box

Abstract

This utility model discloses a sealing box, comprising an upper box body, a lower box body, a sealing element, and multiple locking bolts. The upper box body has multiple through holes on its peripheral wall, and a downward-facing, annular sealing groove along its periphery, closer to the center of the upper box body than the through holes. The lower box body has multiple screw holes corresponding to the through holes along its periphery, and an upward-protruding, annular sealing edge along its periphery, closer to the center of the lower box body than the screw holes, and inserted into the sealing groove. The sealing element is annular in structure and has a downward-facing, annular groove. The groove seals and covers the sealing edge, and the outer wall of the sealing element seals against the inner wall of the sealing groove. Each locking bolt passes through a through hole in the upper box body and is screwed into a screw hole in the lower box body. This utility model provides stable sealing and is easy to maintain.

Description

Technical Field

[0001] This utility model relates to the field of boxes, and in particular to a sealed box. Background Technology

[0002] Many existing electronic devices (such as battery packs) require sealed enclosures to house their internal components; the joint between the upper and lower enclosures needs to be sealed with adhesive or sealing rings, or ultrasonically welded, to ensure the enclosure's airtightness. However, existing sealed enclosures have the following problems: 1. If glue is used at the joint between the upper and lower boxes, the consistency of the production and processing of the sealed box cannot be guaranteed due to the fluidity of the glue, and the sealing performance of the sealed box cannot be guaranteed; in addition, it is difficult to disassemble the sealed box when there is a problem and it needs to be reworked and maintained. 2. If a sealing ring is used at the junction of the upper and lower housings, one method requires setting an outward-facing sealing edge, which wastes materials; another method is to set an undercut inside the upper and lower housings, which is expensive to process with molds. In addition, the sealing ring may sometimes shift and fail to guarantee a seal. 3. If ultrasonic welding is used at the joint between the upper and lower boxes, the sealing performance of the sealed box cannot be guaranteed, and the sealed box cannot be disassembled for maintenance afterward.

[0003] In view of the above problems, it is necessary to study a sealing box that has a stable sealing effect and is easy to maintain. Utility Model Content

[0004] The purpose of this invention is to provide a sealed box that has a stable sealing effect and is easy to maintain.

[0005] To achieve the above objectives, the solution of this utility model is: A sealing box includes an upper box body, a lower box body, a sealing element, and multiple locking bolts. The upper box body has multiple through holes on its peripheral wall, and a sealing groove with a downward-facing, annular structure is also provided on the periphery of the upper box body. The sealing groove is closer to the center of the upper box body than the through holes. The lower box body has multiple screw holes corresponding to the through holes on its periphery, and a sealing edge with an upward-protruding, annular structure is also provided on the periphery of the lower box body. The sealing edge is closer to the center of the lower box body than the screw holes and is inserted into the sealing groove. The sealing element has an annular structure and a downward-facing, annular groove. The groove of the sealing element seals and covers the sealing edge, and the outer wall of the sealing element seals and abuts against the inner wall of the sealing groove. Each locking bolt passes through a through hole in the upper box body and is screwed into a screw hole in the lower box body.

[0006] The inner wall of the lower housing is reinforced with ribs corresponding to each screw hole.

[0007] The outer wall of the seal has multiple annular barbs, which seal against the inner wall of the sealing groove.

[0008] The barbs are angled.

[0009] The height of the seal is less than the height of the sealing groove.

[0010] The height of the groove in the seal is less than the height of the sealing edge.

[0011] The periphery of the upper box is abutted against the periphery of the lower box.

[0012] The sealing element is made of rubber.

[0013] The upper and lower boxes are made of plastic.

[0014] With the above solution, the upper and lower housings of this invention are connected by locking bolts, making them easy to assemble and disassemble, and facilitating subsequent maintenance. Furthermore, this invention uses a sealing element to achieve a tight seal between the upper and lower housings. This sealing element is sandwiched between the sealing edge of the lower housing and the sealing groove of the upper housing, and the groove of the sealing element completely covers the sealing edge. This effectively prevents the sealing element from shifting and ensures a stable sealing effect. Attached Figure Description

[0015] Figure 1 This is an exploded view of the structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the structure of this utility model.

[0017] Figure 3 This is a partial sectional view of the present invention.

[0018] Figure 4 This is a schematic diagram of the upper housing of this utility model.

[0019] Figure 5 This is a schematic diagram of the lower housing of this utility model.

[0020] Figure 6 This is a schematic diagram showing the fit between the lower housing and the sealing element of this utility model.

[0021] Figure 7 This is a cross-sectional view of the sealing element of this utility model.

[0022] Label Explanation: Upper housing 1, perforation 11, sealing groove 12, Lower housing 2, screw hole 21, sealing edge 22, reinforcing rib 23, Seal 3, groove 31, barb 32, Locking bolt 4, Connecting terminal 5. Detailed Implementation

[0023] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.

[0024] like Figures 1 to 7 As shown, this utility model discloses a sealing box, which includes an upper box body 1, a lower box body 2, a sealing element 3, and multiple locking bolts 4; wherein, the upper box body 1 and the lower box body 2 are made of plastic; the peripheral wall of the upper box body 1 is provided with multiple through holes 11, and the periphery of the upper box body 1 is also provided with a sealing groove 12 with a downward opening and an annular structure, the sealing groove 12 being closer to the center of the upper box body 1 than the through holes 11; the periphery of the lower box body 2 is provided with multiple screw holes 21 corresponding to the through holes 11, and the periphery of the lower box body 2 is also provided with a sealing edge 22 with an upward protrusion and an annular structure, the sealing edge 22 being closer to the center of the lower box body 2 than the screw holes 21, and the sealing edge 22 being inserted into the sealing groove 12; the sealing element 3 is an annular structure, and the sealing element 3 is provided with a groove 31 with a downward opening and an annular structure (see Figure 7 As shown, the cross-section of the seal 3 is U-shaped. The groove 31 of the seal 3 seals and covers the sealing edge 22, and the outer wall of the seal 3 seals and abuts against the inner wall of the sealing groove 12. Each of the locking bolts 4 passes through the through hole 11 of each upper box 1 and is screwed into the screw hole 21 of each lower box 2.

[0025] In this invention, the upper housing 1 and the lower housing 2 are connected by locking bolts 4, making them easy to assemble and disassemble and facilitate subsequent maintenance. Furthermore, this invention uses a sealing element 3 to achieve a sealed fit between the upper housing 1 and the lower housing 2. The sealing element 3 is sandwiched between the sealing edge 22 of the lower housing 2 and the sealing groove 12 of the upper housing 1, with the groove 31 of the sealing element 3 sealingly covering the sealing edge 22. This effectively prevents the sealing element 3 from shifting and ensures a stable sealing effect. Additionally, the sealing box of this invention does not require a flange, resulting in a smoother appearance; it also does not require an undercut, leading to lower mold costs.

[0026] In this embodiment of the invention, reinforcing ribs 23 are formed on the inner wall of the lower housing 2 corresponding to each screw hole 21. This ensures the strength at the screw holes 21 of the lower housing 2, thereby ensuring the stability of the locking bolts 4 in locking the upper housing 1 and the lower housing 2. Moreover, since the reinforcing ribs 23 are on the inner wall of the lower housing 2, they do not affect the flatness of the outer wall of the lower housing 2.

[0027] In embodiments of this utility model, the sealing element 3 may be made of rubber; the outer wall of the sealing element 3 forms multiple annular barbs 32, which seal against the inner wall of the sealing groove 12 to ensure the sealing effect between the sealing element 3 and the sealing groove 12. The barbs 32 are inclined so that the sealing element 3 can be inserted into the sealing groove 12.

[0028] In the embodiments of this utility model, the height H1 of the sealing member 3 is less than the height H2 of the sealing groove 12, and the height H3 of the groove 31 of the sealing member 3 is less than the height H4 of the sealing edge 21. This arrangement ensures that when the sealing edge 22 covering the sealing member 3 is inserted into the sealing groove 12, there is enough space to accommodate the squeezed and deformed part of the sealing member 3, preventing the sealing member 3 from deforming too much and causing deformation of the upper box 1 and / or the lower box 2.

[0029] When the sealed enclosure of this invention houses an electronic product (such as a battery pack), the sealed interior can be filled with thermally conductive adhesive or oil that is insulated from the electronic product. The heat generated by the electronic product is conducted to the upper enclosure 1 and the lower enclosure 2 via the adhesive or oil, and then dissipated through the enclosures. Furthermore, the sealed enclosure can also be equipped with a liquid cooling device to dissipate the heat generated by the electronic product. Additionally, the upper enclosure 1 can be glued to a connecting terminal 5, which is directly and sealed to the upper enclosure 1. The electronic product housed in the sealed enclosure of this invention achieves electrical connection with external devices through the connecting terminal 5.

[0030] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. A sealed case, characterized by: It includes an upper housing, a lower housing, seals, and multiple locking bolts; The upper box has multiple through holes on its periphery, and a sealing groove with an opening facing downward and in a ring structure is also provided around the periphery of the upper box. The sealing groove is closer to the center of the upper box than the through holes. The lower housing has multiple screw holes corresponding to the through holes around its perimeter. The lower housing also has an upward-protruding sealing edge with an annular structure around its perimeter. The sealing edge is closer to the center of the lower housing than the screw holes and is inserted into the sealing groove. The sealing element is an annular structure, and the sealing element has a groove with an opening facing downward and in an annular structure. The groove of the sealing element seals and covers the sealing edge, and the outer wall of the sealing element seals and abuts against the inner wall of the sealing groove. Each of the aforementioned locking bolts passes through the through holes in the upper housing and is then screwed into the screw holes in the lower housing.

2. A sealed case as claimed in claim 1, characterized in that: The inner wall of the lower housing is reinforced with ribs corresponding to each screw hole.

3. A sealed case as claimed in claim 1, characterized in that: The outer wall of the seal has multiple annular barbs, which seal against the inner wall of the sealing groove.

4. A sealed case as claimed in claim 3, wherein: The barbs are angled.

5. A sealed case as claimed in claim 3, wherein: The height of the seal is less than the height of the sealing groove.

6. A sealed case as claimed in claim 3 or 5, wherein: The height of the groove in the seal is less than the height of the sealing edge.

7. A sealed case as defined in claim 1, wherein: The periphery of the upper box is abutted against the periphery of the lower box.

8. A sealed case as defined in claim 1, wherein: The sealing element is made of rubber.

9. A sealed case as defined in claim 1, wherein: The upper and lower boxes are made of plastic.

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