Fuse box

By installing waterproof rubber rings or plugs at the joints of the safe, the problem of poor waterproof performance of the safe is solved, achieving higher waterproof performance and security.

CN224264051UActive Publication Date: 2026-05-19YUEQING HUABANG ENTERPRISE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUEQING HUABANG ENTERPRISE CO LTD
Filing Date
2025-04-09
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing fuse boxes lack waterproofing or have poor waterproofing, which may allow water to enter the fuse box, causing short circuits and potentially leading to safety accidents.

Method used

Install waterproof rubber rings or plugs at the joints of the fuse box to ensure a sealed connection between the cable and the plug, preventing water droplets from entering the fuse box.

Benefits of technology

It effectively prevents water droplets from entering through the gaps in the fuse box, improving the waterproof performance of the fuse box and avoiding short circuits and safety accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fuse box, relates to the technical field of circuit protection devices, and solves the technical problem that a fuse box in the prior art does not have a waterproof function or is poor in waterproof effect. The device comprises a box body, a box cover, a waterproof rubber ring and a rubber plug, the upper end of the box body is connected with the box cover in a clamped mode, the waterproof rubber ring is arranged between the box body and the box cover, and the rubber plug is installed at an opening in the lower end of the box body. A cable penetrates through the rubber plug, and the outer wall of the cable is connected with the inner wall of the rubber plug in a sealed mode.
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Description

Technical Field

[0001] This utility model relates to the field of circuit protection device technology, and in particular to a fuse box. Background Technology

[0002] Currently, fuse boxes are not waterproof or have poor waterproofing. In rainy weather, water from the outside of the fuse box may enter the inside, causing a short circuit in the internal wiring and potentially leading to a serious safety accident. Utility Model Content

[0003] The purpose of this invention is to provide a safe box to solve the technical problem that existing safe boxes lack waterproofing or have poor waterproofing performance. 。 The various technical effects of the preferred technical solutions among the many technical solutions provided by this utility model are described in detail below.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] This utility model provides a safe box, including a box body, a box lid, a waterproof rubber ring, and a rubber stopper. The upper end of the box body is snapped into the box lid, and the waterproof rubber ring is provided between the box body and the box lid. The rubber stopper is installed at the opening at the lower end of the box body. A cable passes through the rubber stopper, and the outer wall of the cable is sealed to the inner wall of the rubber stopper.

[0006] Optionally, it also includes a fuse and a copper terminal, both of which are installed inside the housing. The fuse is plugged into the copper terminal, and the copper terminal is connected to the cable.

[0007] Optionally, the interior of the box includes a connecting cavity, a first sub-cavity, and a second sub-cavity, the first sub-cavity and the second sub-cavity being arranged side by side, the connecting cavity being located above the first sub-cavity and the second sub-cavity and being connected to the first sub-cavity and the second sub-cavity respectively.

[0008] Optionally, the fuse includes a fusible segment and two insert segments. Both insert segments are connected to the fusible segment and are connected by an aluminum wire inside the fusible segment. A portion of the fusible segment is located within the communicating cavity, and the cover can accommodate the other portion of the fusible segment. One insert segment is located in the first compartment, and the other insert segment is located in the second compartment. Both the first and second compartments are equipped with a copper terminal, and the insert segment is plugged into the copper terminal.

[0009] Optionally, a limiting part is provided on the inner wall of the communicating cavity, and a limiting strip is provided on the side wall of the fused section, the limiting strip being inserted into and connected to the limiting part.

[0010] Optionally, the copper terminal includes a main frame, a clamping piece, a limiting piece, a connecting piece, and a spring piece. There are two clamping pieces, two limiting pieces, two connecting pieces, and two spring pieces located on the same side of the main frame. The clamping pieces are fixedly connected to the lower region of the main frame, and the two clamping pieces are arranged opposite each other. The limiting pieces are fixedly connected to the middle region of the main frame, and the two limiting pieces are arranged opposite each other. The connecting pieces are fixedly connected to the upper region of the main frame, and the two connecting pieces are arranged opposite each other. The spring pieces are fixedly connected to the connecting pieces, and the two spring pieces are located between the two connecting pieces. The insertion piece is inserted between the two spring pieces, and the two spring pieces can compress the insertion piece.

[0011] Optionally, the rubber stopper includes a main body and a stopper head, the main body and the stopper head are fixedly connected, the outer wall of the main body is sealed to the inner wall of the first cavity or the second cavity, the clamping piece is clamped on the side wall of the stopper head, the limiting piece abuts against the upper end face of the stopper head, and the cable passes through the main body and the stopper head.

[0012] Optionally, the main frame is provided with an installation port and a clearance groove, and a snap-fit ​​plate is provided in both the first cavity and the second cavity, and the snap-fit ​​plate is snap-fitted to the installation port.

[0013] Optionally, one end of the box body and one end of the box lid are connected by a flexible sheet, the other end of the box body is provided with a snap-fit ​​protrusion, and the other end of the box lid is provided with a snap-fit ​​buckle, the snap-fit ​​buckle being snapped into connection with the snap-fit ​​protrusion.

[0014] Optionally, it also includes a positioning element, wherein the outer wall of the box is provided with a receiving bracket and a snap-fit ​​bracket, a spare safety piece is installed on the receiving bracket, and the positioning element is snap-fitted to the snap-fit ​​bracket.

[0015] This utility model provides a safe box, in which the upper end of the box body is snapped into a lid, and a waterproof rubber ring is provided between the box body and the lid. A rubber plug is installed at the opening at the lower end of the box body, through which a cable passes, and the outer wall of the cable is sealed to the inner wall of the rubber plug. By installing a waterproof rubber ring or rubber plug at the connection gap of the safe box, water droplets are effectively prevented from entering the interior of the safe box through the connection gap, thus solving the technical problem that existing safe boxes do not have waterproof function or have poor waterproof effect. 。 Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the safe box provided in this embodiment of the utility model;

[0018] Figure 2 This is a structural schematic diagram of the safe box provided in another embodiment of the present utility model;

[0019] Figure 3 This is a structural schematic diagram of the safe box provided in another embodiment of the present utility model;

[0020] Figure 4 This is a cross-sectional view of the safe box provided in this embodiment of the utility model;

[0021] Figure 5 This is a structural schematic diagram of the box body and lid of the safe box provided in this embodiment of the utility model;

[0022] Figure 6 This is a structural schematic diagram of the box body and lid of the safe box provided in this embodiment of the utility model from another angle;

[0023] Figure 7 This is a cross-sectional view of the body and lid of the safe box provided in this embodiment of the utility model;

[0024] Figure 8 This is a schematic diagram of the connection between the fuse, copper terminal, and rubber plug in the fuse box provided in this embodiment of the utility model;

[0025] Figure 9 This is a schematic diagram of the structure of the safety plate of the safety box provided in this embodiment of the utility model;

[0026] Figure 10 This is a schematic diagram of the structure of the copper terminal of the fuse box provided in this embodiment of the utility model;

[0027] Figure 11 This is a structural schematic diagram of the copper terminal of the fuse box provided in this embodiment of the present invention from another angle;

[0028] Figure 12 This is a schematic diagram of the rubber stopper of the fuse box provided in this embodiment of the utility model.

[0029] In the diagram: 1. Box body; 11. Communicating cavity; 111. Limiting part; 12. First sub-cavity; 121. Snap-fit ​​plate; 13. Second sub-cavity; 14. Snap-fit ​​protrusion; 15. Receiving bracket; 16. Snap-fit ​​bracket;

[0030] 2. Box lid; 21. Snap fastener;

[0031] 3. Waterproof rubber ring;

[0032] 4. Rubber stopper; 41. Main body; 42. Plug head;

[0033] 5. Fuse; 51. Fuse section; 511. Limiting strip; 52. Insertion segment;

[0034] 6. Copper terminal; 61. Main frame; 611. Mounting port; 612. Clearance groove; 62. Clamping piece; 63. Limiting piece; 64. Connecting piece; 65. Spring piece;

[0035] 7. Flexible film;

[0036] 8. Positioning components. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0038] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] This utility model provides a safe box, including a box body 1, a lid 2, a waterproof rubber ring 3, and a rubber stopper 4. The upper end of the box body 1 is snapped into the lid 2, and the waterproof rubber ring 3 is positioned between the box body 1 and the lid 2. The box body 1 and lid 2 achieve a waterproof effect by compressing the waterproof rubber ring 3. A rubber stopper 4 is installed at the opening at the lower end of the box body 1. A cable passes through the rubber stopper 4, and the outer wall of the cable is sealed to the inner wall of the rubber stopper 4. This utility model provides a safe box that effectively prevents water droplets from entering the safe box through the joint seams by installing a waterproof rubber ring 3 or a rubber stopper 4, solving the technical problem that existing safe boxes lack waterproof functionality or have poor waterproof performance.

[0041] As an optional implementation, it also includes a fuse 5 and a copper terminal 6, both of which are installed inside the housing 1. The fuse 5 is plugged into the copper terminal 6, and the copper terminal 6 is connected to the cable.

[0042] As an optional implementation, the interior of the box body 1 includes a connecting cavity 11, a first sub-cavity 12, and a second sub-cavity 13. The first sub-cavity 12 and the second sub-cavity 13 are arranged side by side. The connecting cavity 11 is located above the first sub-cavity 12 and the second sub-cavity 13 and is connected to the first sub-cavity 12 and the second sub-cavity 13 respectively. The connecting cavity 11 is located in the upper region of the box body 1.

[0043] As an optional implementation, the fuse 5 includes a fuse segment 51 and two insert segments 52. Both insert segments 52 are connected to the fuse segment 51 and are connected by an aluminum wire inside the fuse segment 51. A portion of the fuse segment 51 is located inside the communicating cavity 11. The cover 2 can accommodate the other portion of the fuse segment 51. When the cover 2 and the body 1 are closed, the cover 2 will cover the other portion of the fuse segment 51. When the cover 2 and the body 1 are open, the other portion of the fuse segment 51 will be exposed, allowing the fuse 5 to be replaced. One insert segment 52 is located in the first compartment 12, and the other insert segment 52 is located in the second compartment 13. Both the first compartment 12 and the second compartment 13 are equipped with a copper terminal 6, and the insert segment 52 is plugged into the copper terminal 6.

[0044] As an optional implementation, a limiting part 111 is provided on the inner wall of the connecting cavity 11, and a limiting strip 511 is provided on the side wall of the fused section 51. The limiting strip 511 is inserted and connected to the limiting part 111, which is used to limit the installation position of the fused section 51 in the connecting cavity 11, so that the insert piece 52 can be accurately inserted between the two spring pieces 65.

[0045] As an optional implementation, the copper terminal 6 includes a main frame 61, a clamping piece 62, a limiting piece 63, a connecting piece 64, and a spring piece 65. There are two clamping pieces 62, two limiting pieces 63, two connecting pieces 64, and two spring pieces 65, all located on the same side of the main frame 61. The clamping pieces 62 are fixedly connected to the lower end area of ​​the main frame 61 and the two clamping pieces 62 are arranged opposite each other. The limiting pieces 63 are fixedly connected to the middle end area of ​​the main frame 61 and the two limiting pieces 63 are arranged opposite each other. The distance between the two limiting pieces 63 is less than the distance between the two clamping pieces 62. The connecting pieces 64 are fixedly connected to the upper end area of ​​the main frame 61 and the two connecting pieces 64 are arranged opposite each other. The spring pieces 65 are fixedly connected to the connecting pieces 64 and the two spring pieces 65 are located between the two connecting pieces 64. The spring pieces 65 have an elastic function. The insertion piece 52 is inserted between the two spring pieces 65 and the two spring pieces 65 can compress the insertion piece 52. The double spring-loaded plug structure ensures stable contact and a longer service life.

[0046] As an optional implementation, the rubber stopper 4 includes a main body 41 and a stopper head 42, which are fixedly connected. The outer wall of the main body 41 is sealed to the inner wall of the first cavity 12 or the second cavity 13. The main body 41 achieves a waterproof effect by being squeezed against the first cavity 12 or the second cavity 13. The clamping piece 62 is clamped on the side wall of the stopper head 42 and is used to support the copper terminal 6. The limiting piece 63 abuts against the upper end face of the stopper head 42. The cable passes through the main body 41 and the stopper head 42 and is connected to the copper terminal 6. The outer wall of the cable is sealed to the inner wall of the main body 41 and the stopper head 42.

[0047] As an optional implementation, the main frame 61 is provided with an installation port 611 and a clearance groove 612. A snap-fit ​​plate 121 is provided in both the first cavity 12 and the second cavity 13. The snap-fit ​​plate 121 is snapped into the installation port 611 and is used to limit the installation position of the copper terminal 6 in the first cavity 12 or the second cavity 13. In order to facilitate the accurate insertion of the insert segment 52 between the two spring pieces 65, the clearance groove 612 is used to avoid the insert segment 52.

[0048] As an optional implementation, one end of the box body 1 and one end of the box cover 2 are connected by a flexible sheet 7 to avoid the box cover 2 being lost and to avoid the trouble of searching for it later. The other end of the box body 1 is provided with a snap-fit ​​protrusion 14, and the other end of the box cover 2 is provided with a snap-fit ​​buckle 21. The snap-fit ​​buckle 21 is snap-fitted to the snap-fit ​​protrusion 14.

[0049] As an optional implementation, a positioning element 8 is also included. A receiving bracket 15 and a snap-fit ​​bracket 16 are provided on the outer wall of the box body 1. The spare safety piece 5 is installed on the receiving bracket 15, which makes it easy to replace the safety piece 5. The positioning element 8 is snap-fitted to the snap-fit ​​bracket 16. The positioning element 8 can be installed in other positions, thereby making it easy to install the safety box.

[0050] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A safe box, characterized in that, Includes a box body (1), a box lid (2), a waterproof rubber ring (3), and a rubber stopper (4), wherein, The upper end of the box body (1) is snapped into the box cover (2), and a waterproof rubber ring (3) is provided between the box body (1) and the box cover (2). A rubber plug (4) is installed at the opening at the lower end of the box body (1). The cable passes through the rubber plug (4), and the outer wall of the cable is sealed to the inner wall of the rubber plug (4).

2. The safe box according to claim 1, characterized in that, It also includes a fuse (5) and a copper terminal (6), both of which are installed inside the housing (1). The fuse (5) is plugged into the copper terminal (6), and the copper terminal (6) is connected to the cable.

3. The safe box according to claim 2, characterized in that, The interior of the box (1) includes a connecting cavity (11), a first sub-cavity (12), and a second sub-cavity (13). The first sub-cavity (12) and the second sub-cavity (13) are arranged side by side. The connecting cavity (11) is located above the first sub-cavity (12) and the second sub-cavity (13) and the connecting cavity (11) is connected to the first sub-cavity (12) and the second sub-cavity (13) respectively.

4. The safe box according to claim 3, characterized in that, The fuse (5) includes a fuse section (51) and a plug section (52). There are two plug sections (52), and both plug sections (52) are connected to the fuse section (51). The two plug sections (52) are connected by an aluminum wire inside the fuse section (51). A part of the fuse section (51) is located in the connecting cavity (11). The cover (2) can accommodate another part of the fuse section (51). One plug section (52) is located in the first compartment (12), and the other plug section (52) is located in the second compartment (13). Both the first compartment (12) and the second compartment (13) are equipped with a copper terminal (6), and the plug section (52) is plugged into the copper terminal (6).

5. The safe box according to claim 4, characterized in that, A limiting part (111) is provided on the inner wall of the communicating cavity (11), and a limiting strip (511) is provided on the side wall of the fused section (51). The limiting strip (511) is inserted into the limiting part (111).

6. The safe box according to claim 4, characterized in that, The copper terminal (6) includes a main frame (61), a clamping piece (62), a limiting piece (63), a connecting piece (64), and a spring piece (65). There are two clamping pieces (62), two limiting pieces (63), two connecting pieces (64), and two spring pieces (65) located on the same side of the main frame (61). The clamping piece (62) is fixedly connected to the lower part of the main frame (61), and the two clamping pieces (62) are arranged opposite each other. The limiting piece (63) is connected to the main frame (61). The middle area of ​​the frame (61) is fixedly connected and the two limiting pieces (63) are arranged opposite each other. The connecting piece (64) is fixedly connected to the upper area of ​​the main frame (61) and the two connecting pieces (64) are arranged opposite each other. The spring piece (65) is fixedly connected to the connecting piece (64) and the two spring pieces (65) are located between the two connecting pieces (64). The insert piece (52) is inserted between the two spring pieces (65) and the two spring pieces (65) can squeeze the insert piece (52).

7. The safe box according to claim 6, characterized in that, The rubber stopper (4) includes a main body (41) and a stopper head (42). The main body (41) and the stopper head (42) are fixedly connected. The outer wall of the main body (41) is sealed to the inner wall of the first cavity (12) or the second cavity (13). The clamping piece (62) is clamped on the side wall of the stopper head (42). The limiting piece (63) abuts against the upper end face of the stopper head (42). The cable passes through the main body (41) and the stopper head (42).

8. The safe box according to claim 6, characterized in that, The main frame (61) is provided with an installation port (611) and a clearance groove (612). The first compartment (12) and the second compartment (13) are each provided with a snap-fit ​​plate (121), which is snap-fitted to the installation port (611).

9. The safe box according to claim 1, characterized in that, One end of the box body (1) and one end of the box cover (2) are connected by a flexible sheet (7). The other end of the box body (1) is provided with a snap-fit ​​protrusion (14), and the other end of the box cover (2) is provided with a snap-fit ​​buckle (21). The snap-fit ​​buckle (21) is snap-fit ​​connected to the snap-fit ​​protrusion (14).

10. The safe box according to claim 1, characterized in that, It also includes a positioning element (8), and the outer wall of the box body (1) is provided with a receiving bracket (15) and a snap-fit ​​bracket (16). The spare safety piece (5) is installed on the receiving bracket (15), and the positioning element (8) is snap-fitted to the snap-fit ​​bracket (16).