Explosion-proof socket
By using an explosion-proof outer shell and an independent explosion-proof compartment structure, the problems of large overall size and poor explosion-proof effect of existing explosion-proof sockets are solved, and independent explosion-proof performance of each socket is achieved, making maintenance convenient.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN MINGCHONG TECHNOLOGY CO LTD
- Filing Date
- 2025-04-02
- Publication Date
- 2026-05-19
AI Technical Summary
Existing explosion-proof sockets achieve explosion protection by adding a shell, resulting in a large overall size. The internal sockets do not have independent explosion protection, and the cavities between adjacent sockets can easily interfere with each other, leading to poor explosion protection performance.
It adopts an explosion-proof outer shell and an independent explosion-proof compartment structure. Each explosion-proof compartment corresponds to one socket. The explosion-proof compartment consists of an explosion-proof inner shell and a compartment cover, which are protected by an explosion-proof base plate. The socket is designed to be detachable for easy maintenance.
It improves the explosion-proof effect of the socket, ensures the independent explosion-proof performance of each socket, and is easy to disassemble and maintain.
Smart Images

Figure CN224264355U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of socket technology, specifically to an explosion-proof socket. Background Technology
[0002] Explosion-proof sockets are electrical devices specifically designed for high-risk locations. They are primarily used to control electrical circuits and prevent explosions in environments containing hazardous gases.
[0003] For example, announcement number CN220420980U, entitled "An Explosion-proof Power Strip", includes: a protective box and a power strip body and a leakage current protection switch disposed in the protective box. The leakage current protection switch is connected to the power bus of the power strip body. The protective box consists of a base and a cover covering the base. A wire outlet hole is provided at the junction of the base and the cover. A silicone sealing wire body is provided in the wire outlet hole. The silicone sealing wire body has a central wire through hole and an opening along its axial direction. One end of the silicone sealing wire body has an end cap that covers the central wire through hole.
[0004] The existing explosion-proof sockets mentioned above achieve explosion protection by adding a shell, resulting in a large overall size. The internal sockets still lack explosion protection, and the internal cavities are connected together, leading to poor explosion protection. The cavities between adjacent sockets can easily affect each other, making it impossible to independently protect each cavity during explosion protection. Therefore, they do not meet the current requirements, and a new explosion-proof socket is proposed. Utility Model Content
[0005] The purpose of this utility model is to provide an explosion-proof socket to solve the problems mentioned in the background art, which are that existing explosion-proof sockets achieve explosion protection by adding a shell, resulting in a large overall size, the internal sockets still not being explosion-proof, the internal cavities of the sockets being connected together, resulting in poor explosion protection, and the cavities between adjacent sockets easily affecting each other, making it impossible to independently protect each cavity during the explosion protection process.
[0006] To achieve the above objectives, the present invention provides the following technical solution: an explosion-proof socket, comprising: an explosion-proof outer shell, the explosion-proof outer shell comprising an upper shell and a lower base, the outer wall of the upper shell being provided with a plurality of sockets, the interior of the upper shell being provided with a plurality of independent explosion-proof compartments, the explosion-proof compartments corresponding to each socket position, and an explosion-proof base plate being installed below the explosion-proof compartments.
[0007] Preferably, the explosion-proof compartment includes an explosion-proof inner shell, a compartment cover is installed on the top of the explosion-proof inner shell, the compartment cover is provided with a wire hole for wires to pass through, and abutments are provided at both ends of the explosion-proof inner shell.
[0008] Preferably, the interior of the upper housing is further equipped with a plurality of fittings for fixing the explosion-proof compartments. The fittings include a first assembly block and a second assembly block. The first assembly block is installed between two adjacent sets of explosion-proof compartments, and the second assembly block is installed on the sides of the explosion-proof compartments at both ends.
[0009] Preferably, the explosion-proof base plate has reserved holes at all four corners of its outer wall, and multiple limiting holes are arranged horizontally on the outer walls of both sides of the explosion-proof base plate. Multiple third inserts for combining with the explosion-proof base plate are installed on the inner wall of the upper shell.
[0010] Preferably, a first insert is installed at each of the four corners of the inner wall of the upper housing, and a second insert is installed at each of the four corners of the upper surface of the lower base, with the first insert and the second insert inserted into the reserved hole.
[0011] Preferably, both the first and second inserts are provided with mounting holes for bolt assembly.
[0012] Preferably, multiple horizontally spaced limiting frames and locking blocks are installed on the inner walls of both sides of the upper housing, and multiple locking slots that combine with the locking blocks are opened on the side wall of the lower base.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) In this utility model, the explosion-proof socket is protected externally by an explosion-proof outer shell and internally by an explosion-proof compartment. Each explosion-proof compartment corresponds to a socket and each explosion-proof compartment is independent of each other, which can effectively improve the internal explosion-proof effect. The explosion-proof compartment is composed of an explosion-proof inner shell and a compartment cover. The explosion-proof inner shell surrounds the socket and the compartment cover seals the opening of the explosion-proof inner shell to improve the explosion-proof performance at that point. The explosion-proof base plate is used to improve the sealing and explosion-proof performance of the bottom of the socket. This solves the problem that existing explosion-proof sockets are explosion-proof by adding a shell, resulting in a large overall size, the internal socket still not having explosion-proof performance, the socket cavities being connected together, the explosion-proof effect being poor, and the cavities between adjacent sockets easily affecting each other, making it impossible to independently protect each cavity during the explosion-proof process.
[0015] (2) In this utility model, when the upper shell and the lower base are installed, the upper shell and the lower base are engaged with each other by the locking block of the upper shell and the locking groove of the lower base, so that the first plug and the second plug are aligned with each other, which makes it convenient to combine and fix the two together by means of installation bolts. This makes the socket have a detachable structure, and the disassembly method is simple and easy to operate, which makes it convenient to carry out internal maintenance operations. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall external structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the explosion-proof compartment and assembly structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the upper shell of this utility model;
[0019] Figure 4 This is a schematic diagram of the explosion-proof base plate structure of this utility model;
[0020] Figure 5 This is a schematic diagram of the lower base structure of this utility model;
[0021] In the diagram: 1. Explosion-proof outer shell; 101. Upper shell; 102. Insertion port; 103. Locking block; 104. Lower base; 105. Locking slot; 106. First insertion cylinder; 107. Second insertion cylinder; 108. Assembly hole; 109. Third insertion cylinder; 110. Limiting bracket; 2. Explosion-proof compartment; 201. Explosion-proof inner shell; 202. Compartment cover; 203. Wire hole; 204. Abutment block; 3. Assembly parts; 301. First assembly block; 302. Second assembly block; 4. Explosion-proof base plate; 401. Reserved hole; 402. Limiting hole. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Please see Figure 1 , Figure 2 , Figure 4 The present invention provides an embodiment of an explosion-proof socket, comprising: an explosion-proof outer shell 1, the explosion-proof outer shell 1 including an upper shell 101 and a lower base 104, the outer wall of the upper shell 101 being provided with a plurality of sockets 102, the interior of the upper shell 101 being provided with a plurality of independent explosion-proof compartments 2, each explosion-proof compartment 2 corresponding to the position of each socket 102, an explosion-proof base plate 4 being installed below the explosion-proof compartment 2, the explosion-proof compartment 2 including an explosion-proof inner shell 201, a compartment cover 202 being installed on the top of the explosion-proof inner shell 201, the compartment cover 202 being provided with a wire hole 203 for wires to pass through, and abutments 204 being provided at both ends of the explosion-proof inner shell 201.
[0024] The explosion-proof socket is protected externally by an explosion-proof outer shell 1 and internally by an explosion-proof compartment 2. Each explosion-proof compartment 2 corresponds to a socket 102, and each explosion-proof compartment 2 is independent of each other, which can effectively improve the internal explosion-proof effect. The explosion-proof compartment 2 is composed of an explosion-proof inner shell 201 and a compartment cover 202. The explosion-proof inner shell 201 surrounds the socket 102, and the compartment cover 202 seals the opening of the explosion-proof inner shell 201 to improve the explosion-proof performance at that point. The explosion-proof base plate 4 is used to improve the sealing and explosion-proof performance of the bottom of the socket. The wires are connected through the reserved wire holes 203.
[0025] The aforementioned explosion-proof components are made of appropriate explosion-proof materials such as copper, phosphor bronze, titanium alloy, aluminum alloy, and plastic.
[0026] Please see Figure 2 The upper housing 101 is also equipped with a number of fittings 3 for fixing the explosion-proof compartments 2. The fittings 3 include a first assembly block 301 and a second assembly block 302. The first assembly block 301 is installed between two adjacent sets of explosion-proof compartments 2, and the second assembly block 302 is installed on the side of the explosion-proof compartments 2 at both ends.
[0027] The explosion-proof compartment 2 is inserted into the first assembly block 301 and the second assembly block 302 through the abutments 204 on both sides, which is used to fix and restrict the explosion-proof compartment 2 at the corresponding insertion port 102 position. At the same time, the first assembly block 301 and the second assembly block 302 are made of insulating material to improve the insulation of the connection of the explosion-proof compartment 2.
[0028] Please see Figure 3 , Figure 4 , Figure 5 The explosion-proof base plate 4 has reserved holes 401 at each of the four corners of its outer wall. Multiple limiting holes 402 are arranged horizontally on the outer walls of both sides of the explosion-proof base plate 4. Multiple third inserts 109 for combination with the explosion-proof base plate 4 are installed on the inner wall of the upper housing 101. A first insert 106 is installed at each of the four corners of the inner wall of the upper housing 101. A second insert 107 is installed at each of the four corners of the upper surface of the lower base 104. The first insert 106 and the second insert 107 are inserted into the reserved holes 401. The first insert 106 and the second insert 107 are provided with assembly holes 108 for bolt assembly. Multiple limiting brackets 110 and locking blocks 103 are arranged horizontally at intervals on the inner walls of both sides of the upper housing 101. Multiple locking grooves 105 combined with locking blocks 103 are opened on the side walls of the lower base 104.
[0029] When the upper housing 101 and the lower base 104 are installed, the upper housing 101 and the lower base 104 are engaged by the locking block 103 of the upper housing 101 and the locking groove 105 of the lower base 104, so that the first plug tube 106 and the second plug tube 107 are aligned with each other. This makes it easy to combine and fix the two together by installing bolts. This gives the socket a detachable structure, and the disassembly method is simple and easy to operate, which facilitates subsequent internal maintenance.
[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. An explosion-proof socket comprising an explosion-proof outer housing (1), characterized in that: The explosion-proof outer shell body (1) comprises an upper shell (101) and a lower base (104), the outer wall of the upper shell (101) is provided with a plurality of sockets (102), a plurality of independent explosion-proof bins (2) are mounted in the upper shell (101), the explosion-proof bins (2) correspond to the positions of the sockets (102) respectively, and an explosion-proof bottom plate (4) is mounted below the explosion-proof bins (2).
2. An explosion-proof socket according to claim 1, characterised in that: The explosion-proof bin (2) comprises an explosion-proof inner shell (201), a bin cover (202) is mounted above the explosion-proof inner shell (201), the bin cover (202) is provided with a wire hole (203) for inserting a wire body, and a resisting block (204) is arranged at each end of the explosion-proof inner shell (201).
3. The explosion-proof socket of claim 1, wherein: A plurality of assembling parts (3) for fixing the explosion-proof bins (2) are further mounted in the upper shell (101), the assembling part (3) comprises a first assembling block (301) and a second assembling block (302), the first assembling block (301) is arranged between two adjacent groups of explosion-proof bins (2), and the second assembling block (302) is arranged on the side of the explosion-proof bins (2) at both ends.
4. The explosion-proof socket of claim 1, wherein: Reserve holes (401) are formed at four corners of the outer wall of the explosion-proof bottom plate (4), a plurality of limiting holes (402) are horizontally arranged on the outer walls of the two sides of the explosion-proof bottom plate (4), and a plurality of third inserting sleeves (109) for combining with the explosion-proof bottom plate (4) are mounted on the inner wall of the upper shell (101).
5. An explosion-proof socket according to claim 4, characterised in that: First inserting sleeves (106) are mounted at four corners of the inner wall of the upper shell (101), second inserting sleeves (107) are mounted at four corners of the upper surface of the lower base (104), and the first inserting sleeves (106) and the second inserting sleeves (107) are inserted into the reserve holes (401).
6. An explosion-proof socket according to claim 5, characterised in that: The first inserting sleeves (106) and the second inserting sleeves (107) are provided with assembling holes (108) for screwing bolts.
7. The explosion-proof socket of claim 1, wherein: A plurality of limiting racks (110) and clamping blocks (103) are horizontally and intervally arranged on the inner walls of the two sides of the upper shell (101), and a plurality of clamping grooves (105) combined with the clamping blocks (103) are formed in the side walls of the lower base (104).