Waterproof fast-assembly type single-path fuse box

By designing a snap-fit ​​structure and sealing components for a waterproof, quick-installation single-channel fuse box, the problems of poor sealing and inconvenient installation of existing fuse boxes have been solved, achieving efficient sealing and convenient installation and maintenance.

CN223797327UActive Publication Date: 2026-01-13CHENGDU YIWEI NEW ENERGY VEHICLE CO LTD
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Patent Information

Application Number
CN202520138021.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-13
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing car fuse boxes have poor sealing performance, making them prone to water and dust ingress. Their installation structure is complex and inflexible, making them inconvenient for maintenance.

Method used

A waterproof, quick-install single-channel fuse box was designed, which adopts a snap-fit ​​structure for the base and top cover, combined with a sealing element and slot design, to achieve quick installation and disassembly. It is fixed by insert plates and support blocks, which improves protection performance and ease of installation.

Benefits of technology

The sealing performance of the fuse box has been improved, the installation process has been simplified, the protective performance has been enhanced, and it is easy to quickly disassemble and repair.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fuse boxes, in particular to a waterproof fast-assembly type single-path fuse box, which comprises a base provided with an inner cavity used for accommodating a fuse assembly for installation; the upper cover and the base are detachably installed, the edge of the upper cover is of a double-layer structure with an inverted-U-shaped section, and the double-layer structure is used for allowing the edge of the base to be inserted and installed in a matched mode; and the upper cover sealing element is arranged on the U-shaped top of the double-layer structure of the upper cover and is used for sealing a gap between the upper cover and the base, so that the technical problems of poor sealing performance and inflexible installation and maintenance of the fuse box in the prior art are solved.
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Description

Technical Field

[0001] This utility model relates to the field of fuse box technology, and in particular to a waterproof quick-release single-channel fuse box. Background Technology

[0002] The descriptions in this section are provided only as background information relating to this disclosure and do not constitute prior art.

[0003] With the rapid development of the automotive industry, the types of automotive fuse boxes are also increasing. However, due to limitations in vehicle space, the protective performance and installation requirements of fuse boxes are becoming increasingly stringent. Existing fuse boxes have many problems, such as poor protective performance, inflexible installation and fixation, and inconvenience for maintenance. On the one hand, the sealing performance of existing fuse boxes is poor, making them prone to water and dust ingress, which affects the service life of fuses. On the other hand, the fuse mounting bracket inside the fuse box is often integrally molded with the box body, and the fuse is directly inserted into the box body, resulting in severe vibration transmission during use. Therefore, the installation structure of existing fuse boxes is relatively complex, the installation is not flexible enough, and it is inconvenient for maintenance and replacement.

[0004] The prior art discloses a truck fuse box, utility model patent with publication number CN215008122U, which discloses a base box, a fuse mounting base, and a cover. The base box is a box structure with an open top, and a through-hole is provided on the side wall of the base box. The side wall of the through-hole is provided with a mounting groove for installing a sealing ring. A water leakage hole is provided at the bottom of the base box to prevent splashing. The fuse mounting base is suspended inside the base box. The cover is closed at the upper opening of the base box and is fixed to the base box with bolts. A sealing ring is provided at the joint between the inside of the cover and the opening of the base box. The related technologies, including the above-mentioned technical solutions, still have many problems, such as: the waterproof and sealing performance needs to be improved, it is easy for water and dust to enter, affecting the service life of the equipment; the structure is complex and the installation and replacement are not flexible enough. Utility Model Content

[0005] The purpose of this utility model is to provide a waterproof, quick-installation single-channel fuse box to solve the technical problems of poor sealing performance and inflexible installation and maintenance of existing fuse boxes.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A waterproof, quick-release single-circuit fuse box includes:

[0008] The base has an inner cavity for accommodating and installing safety components;

[0009] The top cover is detachable from the base. The edge of the top cover is set as a double-layer structure with an inverted U-shaped cross-section. This double-layer structure is used for the edge of the base to be inserted and fitted for installation.

[0010] The top cover seal, installed on the U-shaped top of the double-layer structure of the top cover, is used to seal the gap between the top cover and the base.

[0011] Furthermore, the outer side of the top cover is provided with a snap hole, and the outer side of the base is provided with a snap protrusion corresponding to the position of the snap hole. The snap protrusion and the snap groove are fastened together.

[0012] Furthermore, the base includes a seat body with an opening at the top, and cable inlet holes are provided on both sides of the seat body, and cable inlet seals are installed in the cable inlet holes.

[0013] Furthermore, the bottom surface of the inner cavity of the seat is provided with a recessed slot for accommodating the installation of a safety component.

[0014] Furthermore, the safety component includes a safety plate and a metal base. The two ends of the safety plate are detachably installed to the metal base via fasteners and gaskets, respectively. The metal base is detachably installed in a slot.

[0015] Furthermore, the slot includes a clearance slot and a fixing slot located at both ends and communicating with it. The width of the clearance slot is greater than the width of the fixing slots at both ends, and the upper surface of the fixing slot is provided with an inwardly extending baffle. The relationship between the width H of the metal seat, the distance N between the two baffles of the fixing slot, and the width M of the clearance slot is: N < H < M.

[0016] Furthermore, a mounting component is provided on the base for fixing the entire safe box in position.

[0017] Furthermore, the mounting assembly includes an insert plate disposed on the outer bottom surface of the base. The insert plate is composed of two L-shaped plates arranged facing each other. One side of the L-shaped plates is connected to the bottom surface of the base, and a sealing plate is provided on the top of each of the two L-shaped plates. The two L-shaped plates and their respective sealing plates together form a slot for the mating component to be inserted into and installed from its bottom.

[0018] Furthermore, a support block is set between the two L-shaped plates. The height m of the support block is less than the groove thickness h of the slot of the L-shaped plate. The ratio of the distance W between the support block and the sealing plate to the length V of the insert plate is: V = 1.2W.

[0019] Furthermore, the protrusion is configured as a protrusion extending from the side of the base, and the upper surface of the protrusion is configured as a transition slope.

[0020] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0021] (1). This utility model achieves the sealing performance between the upper cover and the base by setting the matching installation method of the base and the upper cover, as well as the cooperation between the double-layer structure of the upper cover and the upper cover sealing element. At the same time, combined with the inlet sealing element, it improves the overall protection performance of the safe box.

[0022] (2). By setting the matching of the card hole and card protrusion between the top cover and the base, as well as the card groove and the size structure of the card groove in the inner cavity of the base, the safety components can be quickly installed and disassembled, thereby achieving the purpose of quick disassembly and maintenance;

[0023] (3). By setting up insert plates and support blocks, this utility model makes it easy to fix the entire safe box, and the operation is convenient and quick. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0025] Figure 2 This is a three-dimensional structural diagram of the base of this utility model;

[0026] Figure 3 This is a three-dimensional structural diagram of the top cover of this utility model;

[0027] Figure 4 This is a top view of the assembled base of this utility model.

[0028] Figure 5 This is a three-dimensional structural diagram of the base of this utility model after assembly;

[0029] Figure 6 for Figure 4 Schematic diagram of the cross-sectional structure at point AA;

[0030] Figure 7 for Figure 4 Schematic diagram of the cross-sectional structure at point BB;

[0031] Figure 8 This is a schematic diagram of the exploded structure of this utility model.

[0032] In the diagram: 100, top cover; 101, locking hole; 200, base; 201, seat body; 2011, locking protrusion; 202, inlet seal; 2021, inlet hole; 203, mounting assembly; 2031, support block; 2032, insert plate; 2033, sealing plate; 204, slot; 2041, fixing slot; 2042, clearance slot; 20421, edge guard; 300, gasket; 400, fastener; 500, safety plate; 600, metal seat; 700, top cover seal. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent.

[0035] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0036] In the following description, when referring to the accompanying drawings, the same numbers in different drawings denote the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0037] In the description of this application, it should be understood that the terms "first," "second," "third," etc., are used only to distinguish similar objects and are not necessarily used to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] Furthermore, in the description of this application, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0039] To address the limitations of existing technologies, this embodiment provides a technical solution. The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0040] This utility model mainly addresses the problems of poor sealing and inconvenient installation of existing fuse boxes, resulting in poor protective performance and inconvenient replacement. It improves the structure of the fuse box.

[0041] See appendix Figure 1-5 and attached Figure 8 A waterproof, quick-installation single-circuit fuse box includes: a base 200 with an inner cavity for accommodating and installing fuse components; the base 200 has an opening at the top, and the fuse components are installed in the inner cavity of the base 200; and a top cover 100, which is detachably installed from the base 200. This detachable installation can be achieved through snap-fit ​​or plug-in connections, etc. The edges of the top cover 100 are designed as a double-layered structure with an inverted U-shaped cross-section. This double-layered structure allows the edges of the base 200 to be inserted and fitted together. Specifically, the edges of the top cover 100 are two-layered, and when viewed from the front, the two-layered edges form a U-shaped structure. The outer side of the top cover 100... A snap-fit ​​hole 101 is provided, and a snap-fit ​​protrusion 2011 corresponding to the position of the snap-fit ​​hole 101 is provided on the outer side of the base 200. The snap-fit ​​protrusion 2011 and the snap-fit ​​groove 204 are snap-fit ​​installed. The snap-fit ​​protrusion 2011 is set as a protrusion protruding from the side of the base 200, and the upper surface of the snap-fit ​​protrusion 2011 is set as a transition slope. It can be understood here that the snap-fit ​​hole 101 and the snap-fit ​​protrusion 2011 are snap-fit ​​installed to achieve quick installation and disassembly. The upper cover seal 700 is installed on the U-shaped top of the double-layer structure of the upper cover 100 to seal the gap between the upper cover 100 and the base 200. Here, the upper cover seal 700 adopts an annular sealing ring whose shape matches the shape of the double-layer structure of the edge of the upper cover 100.

[0042] See appendix Figure 4-8The base 200 includes a seat body 201 with an opening at the top. Both sides of the seat body 201 have inlet holes 2021 for mounting inlet seals 202. These inlet seals 202 are sealing rings with an annular groove on their outer ring. The annular groove is detachably mounted to the inlet hole 2021. Specifically, the bottom surface of the inner cavity of the seat body 201 has a recessed slot 204 for accommodating a safety assembly. The safety assembly includes a safety pin 500 and two metal seats 600. The safety pin 500 is detachably mounted to both metal seats 600 at both ends via fasteners 400 and gaskets 300, respectively. The metal seats 600 are detachably mounted within the slot 204. The fasteners 400 can be screws or other fastening components. Specifically, the slot 204 includes a relief slot 2042 and a fixing slot 2041 located at both ends and communicating with it. It can be understood that the slot 204 is a rectangular groove that is wider in the middle and narrower at both ends. The width of the relief slot 2042 is greater than the width of the fixing slots 2041 at both ends. The upper surface of the fixing slot 2041 is provided with an inwardly extending baffle 20421. The relationship between the width H of the metal seat 600, the distance N between the two baffles 20421 of the fixing slot 2041, and the width M of the relief slot 2042 is: N < H < M. The purpose of these dimensions is to facilitate the metal seat 600 to be inserted into the slot 204 from the relief slot 2042 and then slide along the baffles 20421 to the fixing slots 2041 at both ends, which facilitates quick installation and limits the position of the metal seat 600.

[0043] See appendix Figure 1 , 6 7. A mounting component 203 is provided on the base 200. This mounting component 203 is used to fix the position of the entire fuse box. It can be understood that the fuse box needs to be fixed as a whole during use. The fixing method is to detachably install the mounting component 203 with the insert at the position to be fixed. The mounting component 203 includes an insert plate 2032 provided on the outer bottom surface of the base 200. The insert plate 2032 is composed of two L-shaped plates arranged facing each other. One side of the L-shaped plates is connected to the bottom surface of the base 200, and the top of each L-shaped plate is provided with a sealing plate 2033. The two L-shaped plates and their respective sealing plates 2033 together form a slot for the mating parts to be inserted into and mated. A support block 2031 is set between the two L-shaped plates. The height m of the support block 2031 is less than the groove thickness h of the slot of the L-shaped plate. The ratio of the distance W between the support block 2031 and the sealing plate 2033 to the length V of the insert plate 2032 is V = 1.2W. The purpose of these dimensions is to facilitate the insertion of the insert at the fixed position into the slot of the insert plate 2032. At the same time, the support block 2031 can limit the insertion of the insert to prevent the fuse box from shaking.

[0044] When using the fuse box of this utility model, first, the metal base 600 is placed into the relief groove 2042 of the base 200, and then the metal base 600 is slid to the fixing grooves 2041 at both ends. After the two metal bases 600 are in place, the two ends of the fuse 500 are respectively installed on the metal base 600 through the fixing piece 400 and the gasket 300. Then, the wire is connected to the fuse 500 after passing through the inlet sealing ring and the inlet hole 2021. Then, the upper cover sealing piece 700 is installed in the double-layer structure of the edge of the upper cover 100, and the upper cover 100 is snapped into the base 200 to complete the overall fuse box installation.

[0045] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0046] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waterproof quick-mounting single-way fuse box, characterized in that, The utility model relates to a safety box, which comprises: a base (200) provided with an inner cavity for accommodating a safety assembly for installation; an upper cover (100) detachably mounted with the base (200), the edge of the upper cover (100) being provided with a double-layer structure with a reverse U-shaped cross section for inserting and fittingly mounting the edge of the base (200); an upper cover sealing member (700) mounted on the U-shaped top of the double-layer structure of the upper cover (100) for sealing the gap between the upper cover (100) and the base (200).

2. A waterproof quick-mounting single-way safety box according to claim 1, characterized in that, The outer side of the upper cover (100) is provided with a clamping hole (101), and the outer side of the base (200) is provided with a clamping convex (2011) corresponding to the position of the clamping hole (101), the clamping convex (2011) and the clamping groove (204) being buckled and mounted.

3. A waterproof quick-mounting single-way safety box according to claim 1 or 2, characterized in that, The base (200) comprises an upper opening seat body (201), and the seat body (201) is provided with a wire inlet hole (2021) on each side, and the wire inlet hole (2021) is mounted with a wire sealing member (202).

4. A waterproof quick-mounting single-way safety box according to claim 3, characterized in that, The inner cavity bottom surface of the seat body (201) is provided with a recessed clamping groove (204) for accommodating the installation of the safety assembly.

5. A waterproof quick-mounting single-way safety box according to claim 4, characterized in that, The safety assembly comprises a safety sheet (500) and a metal seat (600), the two ends of the safety sheet (500) are detachably mounted with the metal seat (600) through a fixing member (400) and a gasket (300), and the metal seat (600) is detachably mounted in the clamping groove (204).

6. A waterproof quick-mounting single-way safety box according to claim 5, characterized in that, The clamping groove (204) comprises an avoiding groove (2042) and a fixing groove (2041) at both ends and in communication with the avoiding groove (2042), the width of the avoiding groove (2042) is greater than the width of the fixing groove (2041) at both ends, and the upper surface of the fixing groove (2041) is provided with an inwardly extending stop edge (20421), the relationship between the width H of the metal seat (600) and the width M of the avoiding groove (2042) is N 7. A waterproof quick-mounting single-way safety box according to claim 6, characterized in that, The base (200) is provided with a mounting assembly (203) for position fixing of the entire safety box.

8. A waterproof quick-mounting single-way safety box according to claim 7, characterized in that, The mounting assembly (203) comprises an insertion plate (2032) arranged on the bottom surface of the outer side of the base (200), the insertion plate (2032) is composed of two L-shaped plates arranged opposite to each other, one side of the L-shaped plate is connected with the bottom surface of the base (200), and the top of each L-shaped plate is provided with an enclosing plate (2033), and the two L-shaped plates and the respective enclosing plates (2033) together enclose an insertion groove for insertion and fittingly mounting the fitting member from the bottom.

9. A waterproof quick-mounting single-way safety box according to claim 8, characterized in that, A support block (2031) is arranged between the two L-shaped plates, the height m of the support block (2031) is less than the groove thickness h of the insertion groove of the L-shaped plate, and the proportional relationship between the distance W of the support block (2031) from the enclosing plate (2033) and the length V of the insertion plate (2032) is V = 1.2W.

10. The waterproof quick-mounting single-way safety box according to claim 2, characterized in that, The clamping convex (2011) is provided as a protrusion protruding from the side surface of the base (200), and the upper surface of the clamping convex (2011) is provided as a transition inclined surface.

Citation Information

Patent Citations

  • Fuse box for truck

    CN215008122U