Double-clip type explosion-proof junction box

Abstract

The utility model discloses a double-clip type explosion-proof junction box, comprising a box body, the box body is a cuboid box structure formed by buckling and connecting two halves, two end parts of the cuboid box structure or two end side parts of the cuboid box structure are respectively connected with a sleeve, the sleeve is a circular tube structure formed by buckling two semicircles, and the two semicircles are connected with the sleeve. And the two half buckling lines of the box body are aligned with the two half buckling lines of the sleeve. The device is reasonable in design, simple in structure and easy to manufacture, and can be quickly and conveniently installed without removing wires during installation and replacement; the junction box can completely replace a penetrating type junction box, and is convenient, fast, safe and practical. And the sealing structure design of the explosion-proof rubber ring is adopted, so that the explosion phenomenon caused by electrical sparks and high temperature is effectively prevented. Good popularization values are realized.

Description

Technical Field

[0001] The utility model relates to a junction box, in particular to a clamp-type explosion-proof junction box. Background Art

[0002] With the rapid development of the industrial sector, the demand for explosion-proof equipment in flammable and explosive environments such as the petroleum, chemical, and coal mines is increasing. Traditional explosion-proof junction boxes, due to problems such as unreasonable structural design, complex installation, difficult maintenance, and corrosion damage, cannot meet the efficiency, safety, and environmental protection requirements of modern industrial production. At the same time, when laying and installing electrical and instrument cables on chemical plants, they need to be protected by cable protection sleeves, straight pipes, right-angle junction boxes, three-way junction boxes and fixed brackets, and then installed in fixed pipes. However, the original right-angle junction boxes and three-way junction boxes are damaged due to quality, environmental corrosion and accidental external damage, and their damage cannot achieve the effect of explosion-proof sealing and cable protection. In this case, they need to be replaced, but chemical plants are continuous production plants, and electrical equipment or instrument equipment cannot be shut down at will. Even if electrical instrument equipment is shut down, it is still necessary to dismantle the electrical instrument equipment in an explosion-hazardous environment, pull out the cables, re-thread the box and reinstall it. This old-fashioned way of replacing the plug-in junction box is very outdated. It is not only time-consuming and labor-intensive, affecting the normal production and use of equipment, but most importantly, it is very dangerous to dismantle the wires of explosion-proof electrical appliances in explosion-hazardous areas, and serious safety accidents are prone to occur. Utility Model Content

[0003] The purpose of the utility model is to provide a clamp-type explosion-proof junction box to address the defects of the existing technology.

[0004] The technical solution is: a clamp-type explosion-proof junction box, including a box body, wherein the box body is two halves that are buckled together to form a rectangular box structure, and the two ends of the rectangular box structure or the two end sides of the rectangular box structure are respectively connected with sleeves, and the sleeve is two semicircles that are buckled together to form a circular tube structure, and the buckling lines of the two halves of the box body are aligned with the buckling lines of the two halves of the sleeve.

[0005] Furthermore, the two halves of the box body are buckled together and connected to form a rectangular box structure by bolts.

[0006] Furthermore, two interlocking U-shaped explosion-proof rubber rings are provided in the inner cavity of the sleeve.

[0007] Compared with the prior art, the utility model has the following advantages: reasonable design, simple structure, easy production, no need to remove wires during installation and replacement, and can be installed quickly and conveniently; it can completely replace the plug-in junction box, making it convenient, fast, safe and practical; it adopts a sealing structure design of explosion-proof rubber ring, which effectively prevents the occurrence of explosions caused by electrical sparks and high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural diagram of the first embodiment of the utility model;

[0009] Figure 2 This is a schematic structural diagram of the second embodiment of the present utility model;

[0010] Figure 3 It is a structural schematic diagram of the third embodiment of the present utility model. DETAILED DESCRIPTION

[0011] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0012] Reference Figure 1 A clamp-type explosion-proof junction box includes a box body 1, which is composed of two halves fastened together to form a rectangular box structure. A sleeve 2 is connected to each end or side of the rectangular box structure. The sleeve 2 is a circular tube structure formed by two semicircular halves fastened together. The fastening line 11 of the box body 1 halves is aligned with the fastening line 21 of the sleeve 2 halves. After the two halves of the box body 1 are fastened together, they are connected to the rectangular box structure by bolts 3. An explosion-proof rubber ring 23 is provided in the inner cavity of the sleeve 2.

[0013] Example 1: Reference Figure 1 A clamp-type explosion-proof junction box includes a box body 1, which is composed of two halves interlocked to form a rectangular box structure. A sleeve 2 is connected to each end of the rectangular box structure. The sleeve 2 is composed of two semicircular halves interlocked to form a circular tube structure. The interlocking line 11 of the box body 1 is aligned with the interlocking line 21 of the sleeve 2. After the two halves of the box body 1 are interlocked, they are connected to the rectangular box structure by bolts 3. Two interlocking U-shaped explosion-proof rubber rings 22 are installed in the inner cavity of the sleeve 2.

[0014] During use, separate the two interlocking halves of the box 1 into two parts. The two halves enclose the cable, and the cable ends are threaded through the U-shaped explosion-proof rubber rings 22 that interlock in the two sleeves. After clamping the two halves to ensure a tight connection, check that the explosion-proof gaskets at the box's sealing position are securely sealed. Then, use a screwdriver to tighten the four fixing bolts. Once secure, check that the box's clamping position and the protective tubes at both ends are securely sealed. Once confirmed, installation is complete. This embodiment functions as a straight tube junction box.

[0015] Example 2: Reference Figure 2 A clamp-type explosion-proof junction box includes a box body 1, which is a rectangular box structure with two halves connected together. One end of the rectangular box structure and the side of the other end are connected to a sleeve 2. The remaining structure and use method are the same as those of the first embodiment. This embodiment is used as a right-angle bend junction box.

[0016] Example 3: Reference Figure 3 A clamp-type explosion-proof junction box includes a box body 1, which is a rectangular box structure with two halves connected together. A sleeve 2 is connected to one end side portion and the other end side portion of the rectangular box structure. The remaining structure and usage method are the same as those of the first embodiment. This embodiment is used as an S-shaped corner junction box.

[0017] This utility model has a reasonable design, simple structure, and is easy to manufacture. It can be installed quickly and conveniently without removing wires during installation or replacement. It can completely replace the plug-in junction box, achieving both convenience, speed, safety, and practicality. It also uses an explosion-proof rubber ring sealing structure design to effectively prevent explosions caused by electrical sparks and high temperatures. It has good promotion value.

[0018] 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 wafer-type explosion-proof junction box, comprising a box body, characterized in that: The box body is a rectangular box structure formed by two halves buckled together, and the two ends of the rectangular box structure or the two end sides of the rectangular box structure are respectively connected with sleeves. The sleeve is a circular tube structure formed by two semicircles buckled together, and the buckling lines of the two halves of the box body are aligned with the buckling lines of the two halves of the sleeve.

2. The wafer-type explosion-proof junction box according to claim 1, characterized in that: The two halves of the box body are buckled together and connected by bolts to form a rectangular box structure.

3. The clamp-type explosion-proof junction box according to claim 1, characterized in that: Two buckled U-shaped explosion-proof rubber rings are arranged in the inner cavity of the sleeve.

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