Fireproof junction box
By designing a fireproof junction box, using an integrated fireproof base and flame-retardant base combined with bolt connection holes, snap-on units and reinforcing ribs, the problems of the junction box not having fireproof performance and unstable installation are solved, and an efficient, safe and beautiful electrical installation solution is achieved.
Patent Information
- Application Number
- CN202422540378.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing junction boxes have no fireproofing effect and are unstable when installed, which makes subsequent maintenance and repair difficult, and they cannot meet the fire safety requirements of luxury cruise ship-grade cabins.
A fireproof junction box is designed, which adopts an integrally molded external fireproof base and a flame-retardant base embedded therein, combined with multiple bolt connection holes, snap-in units and reinforcing ribs to enhance structural stability and fireproof performance, and improve connection flexibility through snap-in units.
It improves the fireproof performance and structural stability of the junction box, simplifies the installation and maintenance process, enhances the mechanical strength, meets the fire safety requirements of luxury cruise ship cabins, and is also aesthetically pleasing.
Smart Images

Figure CN223428099U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of junction boxes, in particular to a fireproof junction box. Background Art
[0002] Luxury cruise ships or high-end passenger and vehicle ferries, like floating "five-star hotels" at sea, are renowned for their densely packed crews, numerous and diverse cabins, and luxurious interiors. On large luxury cruise ships, accommodations often account for 60% of all cabins, numbering nearly 2,000. These cabins are also the most important and fundamental functional spaces within the ship. In cruise ship design, ensuring that each cabin meets a Class B fire resistance rating or higher is essential for ensuring passenger safety.
[0003] In the design of modern large cruise ships, due to the extensive use of electrical equipment, water supply and drainage pipes, and lighting facilities in the cabins, each cabin wall and ceiling have to withstand damage from various "penetrating objects", posing a very severe challenge to the overall fire safety performance of the cabin.
[0004] The existing junction box does not have a fireproof effect, and the installation process is poor. After installation, it cannot be firmly fixed in the predetermined position, which brings difficulties to subsequent maintenance and inspection. Utility Model Content
[0005] (1) Purpose of the utility model
[0006] In order to overcome the above shortcomings, the purpose of the present invention is to provide a fireproof junction box to solve the above technical problems.
[0007] (2) Technical solution
[0008] To achieve the above objectives, the technical solutions provided by this application are as follows:
[0009] A fireproof junction box includes a junction box body, the cross-section of the junction box body is circular or elliptical, the junction box body includes an integrally formed external fireproof base and a flame retardant base embedded in the fireproof base, angle panels are provided at the four corners of the flame retardant base, the junction box body is provided with a plurality of bolt connection holes, the bottom of the junction box body is provided with mounting holes corresponding to the bolt connection holes, the junction box body is provided with a wiring reserved hole, and the junction box body is provided with a snap-on unit.
[0010] Preferably, cross-arranged reinforcing ribs are provided on the outer side of the junction box body.
[0011] Preferably, the junction box body is configured to have a constricted opening, and the lower end surface of the junction box body is smaller than the upper end surface of the junction box.
[0012] Preferably, the bolt connection hole is provided with a dustproof plug correspondingly, and the dustproof plug is connected with the terminal box body through a connecting chain.
[0013] Preferably, the clamping unit comprises a connecting hole arranged on the terminal box body and a connecting rod corresponding to the connecting hole, and the connecting rod on the adjacent terminal box body is inserted into the connecting hole to realize connection.
[0014] Preferably, the clamping unit comprises a connecting buckle and a connecting head, the connecting buckle is provided with a connecting groove, the connecting head is provided with a clamping groove corresponding to the connecting groove, and the connecting head passes through the connecting groove to connect the clamping groove with the connecting buckle.
[0015] Beneficial effects: the fireproof terminal box improves the structural stability through the unique necking design, the integrally-formed fireproof base is combined with the fire-retardant base to enhance the fireproof performance, the plurality of bolt connection holes and the corresponding dustproof plugs simplify the installation and maintenance process, the design of the clamping unit improves the connection flexibility of the terminal box, the reinforcing ribs on the outer side enhance the mechanical strength, the wiring reserved holes improve the safety, the overall design meets the functionality while also considering the aesthetics, and a safe, efficient, durable and aesthetic electrical installation solution is provided for the user. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a top view structure schematic diagram of the utility model;
[0017] Figure 2 is a side view structure diagram according to an embodiment of the utility model;
[0018] Figure 3 is a bottom view according to an embodiment of the utility model;
[0019] Figure 4 is a connecting buckle and connecting head sectional view according to an embodiment of the utility model. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the following will be combined with specific implementation manners and refer to the attached Figure 1-4 , the utility model is further described. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.
[0021] The utility model provides a kind of fireproof junction box, including junction box body, the cross section of junction box body is circular or oval, it is helpful to the uniform stress of junction box on wall surface, reduce the deformation or damage due to improper installation.The junction box body is arranged in necking, the lower end surface of junction box body is less than the upper end surface of junction box, it is helpful to improve the stability of junction box when installing, while it can reduce production cost.
[0022] The junction box body includes an integrally formed external fireproof base 9 and a fire-retardant base 8 embedded in the fireproof base 9, which not only simplifies the production process, but also enhances the overall fireproof performance of the junction box, ensuring the safety of the internal wiring in the event of a fire.
[0023] The fire-retardant base 8 is provided with an angle panel 5 at each of the four corners, enhancing the structural strength of the junction box and making it more stable during installation and use, ensuring the neatness during installation.
[0024] A plurality of bolt connection holes 6 are provided on the junction box body, and a mounting hole 11 corresponding to the bolt connection hole 6 is provided at the bottom of the junction box body, improving the connection strength between the junction box body and the wall and preventing unstable connection. A dust plug 15 is provided on the bolt connection hole 6, and the dust plug 15 is connected to the junction box body through a connecting chain 14. This effectively prevents the intrusion of dust and impurities, protecting the cleanliness of the junction box interior.
[0025] A wiring reservation hole 1 is provided on the junction box body, making the wiring work more flexible and allowing the layout and adjustment of the wiring according to actual needs.
[0026] A clamping unit is provided on the junction box body. The clamping unit includes a connecting hole 12 provided on the junction box body and a connecting rod 10 corresponding to the connecting hole 12. The connecting rod 10 on the adjacent junction box body is inserted into the connecting hole to achieve connection. The clamping unit is provided with a connecting hole and a connecting rod, so that multiple junction boxes can be conveniently connected together, improving the flexibility and expandability of installation.
[0027] A reinforcing rib 13 is provided on the outside of the junction box body, significantly enhancing the mechanical strength and impact resistance of the junction box, making it more durable and suitable for various harsh installation environments.
[0028] In this embodiment, the clamping unit includes a connecting buckle 4 and a connecting head 2. The connecting buckle 4 is provided with a connecting groove 3, and the connecting head 2 is provided with a clamping groove corresponding to the connecting groove 3. The connecting head connects the clamping groove with the connecting buckle by passing through the connecting groove. This improves the stability of the connection between adjacent junction boxes and facilitates splicing, which can be adapted to different installation needs.
[0029] The fireproof junction box of this utility model improves structural stability through its unique tapered design. The one-piece fireproof base combined with the flame retardant base enhances the fireproof performance. Multiple bolt connection holes and corresponding dust plugs simplify the installation and maintenance process. At the same time, the design of the snap-on unit improves the connection flexibility of the junction box, the outer reinforcement ribs enhance the mechanical strength, and the wiring reserved holes improve safety. The overall design not only meets functionality but also takes aesthetics into consideration, providing users with a safe, efficient, durable and beautiful electrical installation solution.
[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.
[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A fireproof junction box, characterized in that: It includes a junction box body, the cross-section of which is circular or elliptical, the junction box body including an integrally formed external fireproof base and a flame retardant base embedded in the fireproof base, the four corners of the flame retardant base are provided with angle panels, the junction box body is provided with a plurality of bolt connection holes, the bottom of the junction box body is provided with mounting holes corresponding to the bolt connection holes, the junction box body is provided with a wiring reserved hole, and the junction box body is provided with a snap-on unit.
2. A fireproof junction box according to claim 1, characterized in that: The outer side of the junction box body is provided with cross-arranged reinforcing ribs.
3. A fireproof junction box according to claim 1, characterized in that: The junction box body is configured to be constricted, and the lower end surface of the junction box body is smaller than the upper end surface of the junction box.
4. The fireproof junction box according to claim 1, characterized in that: Dust plugs are correspondingly provided on the bolt connection holes, and the dust plugs are connected to the junction box body through a connecting chain.
5. The fireproof junction box according to claim 1, characterized in that: The clamping unit includes a connecting hole provided on the junction box body and a connecting rod corresponding to the connecting hole. The connecting rods on adjacent junction box bodies are inserted into the connecting hole to realize connection.
6. The fireproof junction box according to claim 1, characterized in that: The snap-fit unit includes a connecting buckle and a connecting head. The connecting buckle is provided with a connecting groove, and the connecting head is provided with a snap-fitting groove corresponding to the connecting groove. The connecting head passes through the connecting groove to connect the snap-fitting groove with the connecting buckle.