Novel B-15-level fireproof bulkhead box

Abstract

The utility model discloses a novel B-15-level fireproof bulkhead box, and relates to the technical field of junction boxes. Through the arrangement of the fireproof box body, the flame-retardant inner shell and the reinforcing rib hoop plate, the fireproof box body adopts an intumescent halogen-free flame-retardant high-molecular polymer, has the characteristics of high efficiency, low smoke, low toxicity, small addition amount, no molten drop and the like, is relatively high in flame-retardant efficiency, can meet the safety requirement of an electrical product in cooperation with the flame-retardant inner shell, and is suitable for popularization and application. The risk of fire can be reduced to a certain extent, and the wire is protected; the reinforcing rib hoop plates on the periphery of the fireproof box body not only play an anti-static role when the fireproof box body is burnt, but also can tightly wrap the fireproof box body, so that the burning time of the fireproof box body is prolonged, and the escape time is prolonged; by arranging the matching assembly, as the external bolt is screwed into the threaded hole, the protrusion at the top end of the external bolt gradually presses the connecting ring downwards, then the limiting ball is extruded through the sliding rod and the connecting protruding block, one face of the limiting ball abuts against the external bolt at the circular groove, and the friction force between the external bolt and the threaded hole is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of terminal box, in particular, a kind of novel B-15 grade fireproof bulkhead box. BACKGROUND

[0002] Terminal box is one of electrician's supplies, generally bury terminal box in wall;For the convenience of wire combing, the wire needs to pass through wire pipe in decoration, and the joint part of wire at the end of wire pipe adopts terminal box as transition part. However, general terminal box can only play the role of protecting wire and connecting wire, once fire occurs in room of one side of wall, fire, smoke and heat are easily along wire and continue to the room of other side of wall through through hole, to cause the rapid spread of fire, there is room for improvement.

[0003] Therefore, in addition to preventing and extinguishing fire, preventing the formation and diffusion of smoke is also crucial. CONTENT OF UTILITY MODEL

[0004] The utility model is aimed at providing a kind of novel B-15 grade fireproof bulkhead box, solve the problem presented in the above background technology.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model is a kind of novel B-15 grade fireproof bulkhead box, including fireproof box body and cooperation component, the opening of fireproof box body is provided with clamping convex edge, fireproof box body is embedded with fire-retardant inner shell in the inside, the circumferential surface of fireproof box body is provided with multiple sets of screw holes, the circumferential surface of the upper surface of clamping convex edge is provided with cooperation groove, cooperation groove is communicated with screw hole, the both sides of the upper surface of cooperation groove are provided with sliding slot, the both sides of the inner wall of screw hole are provided with circular groove, circular groove is communicated with sliding slot, the cooperation component includes connecting ring, the connecting ring is provided with multiple sets, multiple sets The connecting ring is respectively arranged at multiple cooperation grooves and is slidably connected with cooperation groove, the both sides of the bottom surface of connecting ring are fixedly connected with slide bar, the slide bar is arranged in sliding slot and is slidably connected with sliding slot, the bottom end of slide bar is fixedly connected with connecting lug, the bottom end of sliding slot is rotatably provided with limiting ball, the limiting ball is arranged at circular groove and is matched with circular groove, one end of connecting lug is attached to the surface of limiting ball.

[0007] The material of fireproof box body is intumescent halogen-free flame-retardant high-molecular polymer, and the material of fire-retardant inner shell is flame-retardant PP / PC / ABS material.

[0008] One side of the inner wall of sliding slot is provided with recess, and a cooperation spring is mounted between the inner wall of recess and slide bar.

[0009] The bottom of the fireproof box body is provided with a plurality of groups of mounting holes and wiring reserved holes, the mounting holes correspond to threaded holes, and the inside of the mounting holes is provided with clamping pieces.

[0010] The circumferential surface of the fireproof box body is fixedly connected with a plurality of groups of reinforcing rib hoop plates, and the materials of the clamping pieces and the reinforcing rib hoop plates are aluminum pieces.

[0011] The bottom surface of the fireproof box body is provided with a guide inclined surface, which facilitates the installation of the fireproof box body by workers.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a fireproof box body, fire -retardant inner shell and reinforcing rib hoop plate are provided, and the fireproof box body adopts the expansion type halogen -free fire -retardant high -molecular polymer, has high -efficient, low smoke, low toxicity, and adds the characteristics such as little and no melting drop, and its fire -retardant efficiency is higher, and can satisfy the safety requirement of electrical product with fire -retardant inner shell, can reduce the risk of fire to a certain extent, plays the role of protection electric wire and connecting electric wire, the reinforcing rib hoop plate of the periphery of the fireproof box body not only plays the role of preventing static electricity when the fireproof box body burns, but also can tightly wrap the fireproof box body, increases its combustion time, and prolongs the escape time, through setting cooperation assembly, when the fireproof box body is installed into the wall body through the external thread bolt, along with the external thread bolt screwing into the threaded hole, the convex gradually of the top end of the external thread bolt presses the connecting ring, and then through the extrusion of the slide rod and the connecting convex block, the one side of the limiting ball is in the circular groove and is opposite to the external thread bolt, the friction force of the external thread bolt and the threaded hole is strengthened, and the stability of the external thread bolt fixing is improved.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the front view of the structure of the utility model;

[0018] Figure 3 It is Figure 2 A-A sectional structure schematic diagram

[0019] Figure 4 For Figure 3 Enlarged view of the middle B region.

[0020] In the drawings, the components represented by each reference numeral are listed as follows:

[0021] 1, fireproof box body; 101, clamping convex edge; 102, flame-retardant inner shell; 103, threaded hole; 104, clamping piece; 105, reinforcing rib plate; 106, guide inclined surface; 107, sliding groove; 108, groove; 3, matching assembly; 301, connecting ring; 302, sliding rod; 303, matching spring; 304, connecting protrusion; 305, limiting ball. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4As shown, the utility model is a novel B-15 grade fireproof bulkhead box, including fireproof box body 1 and cooperation assembly 3, the opening of fireproof box body 1 is provided with the clamping convex edge 101, the inside embedding of fireproof box body 1 has the fire -retardant inner shell 102, the lateral surface of fireproof box body 1 is provided with multiple sets of threaded holes 103, the lateral surface of the upper surface of clamping convex edge 101 is provided with the cooperation groove, the cooperation groove is linked with threaded hole 103, the both sides of the upper surface of cooperation groove are provided with the sliding slot 107, the both sides of the inner wall of threaded hole 103 are provided with the circular groove, and the circular groove is linked with sliding slot 107, cooperation assembly 3 includes connecting ring 301, and multiple sets of connecting ring 301 are provided, and multiple sets of connecting ring 301 are arranged at multiple sets of cooperation grooves respectively and are slidably connected with cooperation groove, and the both sides of the bottom surface of connecting ring 301 are fixedly connected with sliding rod 302, and sliding rod 302 is arranged in sliding slot 107 and is slidably connected with sliding slot 107, and the bottom end of sliding rod 302 is fixedly connected with connecting lug 304, and the bottom end of sliding slot 107 is rotatably provided with limiting ball 305, and limiting ball 305 is arranged at the circular groove and is adapted with the circular groove, and one end of connecting lug 304 is attached to the surface of limiting ball 305.

[0026] The material of fireproof box body 1 is the expansion type halogen-free fire -retardant high molecular polymer, and the material of fire -retardant inner shell 102 is fire -retardant PP / PC / ABS material.

[0027] One side of the inner wall of sliding slot 107 is provided with recess 108, and cooperation spring 303 is installed between the inner wall of recess 108 and sliding rod 302.

[0028] Multiple sets of mounting holes and wiring reserved holes are formed in the bottom of fireproof box body 1, the mounting holes correspond to threaded holes 103, and clamping pieces 104 are arranged in the inside of mounting holes.

[0029] Multiple sets of reinforcing rib hoop plates 105 are fixedly connected to the lateral surface of fireproof box body 1, and the materials of clamping pieces 104 and reinforcing rib hoop plates 105 are all aluminum sheets.

[0030] The bottom surface of fireproof box body 1 is provided with guide inclined plane 106, and the installation of the staff to the fireproof box body 1 is facilitated through the setting of guide inclined plane 106.

[0031] It needs to be supplemented that the fireproof box body 1 adopts an expanded halogen-free flame-retardant high-molecular polymer, has the characteristics of high efficiency, low smoke, low toxicity, small addition amount, no melting drop and the like, has a relatively high flame-retardant efficiency, can meet the safety requirements of electrical products in cooperation with the flame-retardant inner shell 102, can reduce the risk of fire to a certain extent, and plays a role in protecting the electric wire and the connected electric wire; the reinforcing rib hoop plate 105 outside the fireproof box body 1 is made of aluminum sheet, can not only play a role in preventing static electricity when the fireproof box body 1 burns, but also can tightly wrap the fireproof box body 1, increase the burning time, and prolong the escape time; when the fireproof box body 1 is installed, the fireproof box body 1 is installed into the wall body by using the external bolt, as the external bolt is screwed into the threaded hole 103, the protrusion at the top end of the external bolt gradually presses down the connecting ring 301, thereby driving the sliding rod 302 and the connecting protrusion 304 to move downward in the sliding groove 107, and extruding the limiting ball 305, so that one side of the limiting ball 305 is abutted with the side surface of the external bolt at the circular groove, the friction force between the external bolt and the threaded hole 103 is strengthened, the stability of the external bolt is improved, and the stability of the installation of the fireproof box body 1 is improved.

[0032] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A new type of fire rated bulkhead box of class B-15, comprising a fire rated box body (1) and a mating assembly (3), characterized in that: The opening of the fireproof box body (1) is provided with a clamping convex edge (101), the inside of the fireproof box body (1) is embedded with a fire-retardant inner shell (102), a plurality of threaded holes (103) are opened on the peripheral side surface of the fireproof box body (1), a matching groove is opened on the peripheral side of the upper surface of the clamping convex edge (101), the matching groove is communicated with the threaded hole (103), sliding grooves (107) are opened on the two sides of the upper surface of the matching groove, circular grooves are opened on the two sides of the inner wall of the threaded hole (103), and the circular grooves are communicated with the sliding grooves (107); the matching assembly (3) comprises a connecting ring (301), a plurality of connecting rings (301) are arranged, the connecting rings (301) are respectively arranged at the matching grooves and are in sliding fit with the matching grooves, sliding rods (302) are fixedly connected to the two sides of the bottom surface of the connecting ring (301) and are arranged in the sliding grooves (107) and are in sliding fit with the sliding grooves (107), a connecting convex block (304) is fixedly connected to the bottom end of the sliding rod (302), a limiting ball (305) is rollingly arranged at the bottom end of the sliding groove (107), the limiting ball (305) is arranged at the circular groove and is matched with the circular groove, and one end of the connecting convex block (304) is attached to the surface of the limiting ball (305).

2. A new type of B-15 class fireproof bulkhead box according to claim 1, characterized in that, The material of the fireproof box body (1) is an intumescent halogen-free flame-retardant high-molecular polymer, and the material of the fire-retardant inner shell (102) is a flame-retardant PP / PC / ABS material.

3. A new type of B-15 class fireproof bulkhead box according to claim 2, characterized in that, A groove (108) is opened on one side of the inner wall of the sliding groove (107), and a matching spring (303) is mounted between the inner wall of the groove (108) and the sliding rod (302).

4. A new type of B-15 class fireproof bulkhead box according to claim 3, characterized in that, A plurality of mounting holes and wiring reservation holes are opened in the bottom of the fireproof box body (1), the mounting holes correspond to the threaded holes (103), and the inside of the mounting hole is provided with a clamping piece (104).

5. A novel B-15 class fire rated bulkhead box according to claim 4, characterized in that, A plurality of reinforcing rib plates (105) are fixedly connected to the peripheral side surface of the fireproof box body (1), and the materials of the clamping piece (104) and the reinforcing rib plate (105) are aluminum sheets.

6. A new type of B-15 class fireproof bulkhead box according to claim 5, characterized in that, A guide inclined surface (106) is arranged on the bottom surface of the fireproof box body (1).

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