Pipeline explosion-proof box

Abstract

The utility model discloses a pipeline explosion-proof box, which comprises an explosion-proof box seat, an explosion-proof box cover, an explosion-proof box cover and an explosion-proof box cover, the explosion-proof box cover is detachably sealed at the maintenance opening; the plurality of threading columns are arranged on the periphery of the explosion-proof box seat at intervals, threading holes are formed in the centers of the threading columns, and the threading holes are communicated with the explosion-proof cavity; the sealing gasket is positioned at the end part of the threading column; and the wire fixing device is used for fixing the pipeline wire in the anti-explosion cavity. In order to solve the problem that the explosion-proof effect is poor, a plurality of threading columns are designed, and the threading hole is formed in the center of each threading column, so that the requirement of a multi-wire joint pipeline can be met.

Description

Technical Field

[0001] The utility model relates to the technical field related to pipeline explosion-proof equipment, in particular to a pipeline explosion-proof box. Background Art

[0002] In the existing industrial environment, especially in places involving flammable and explosive substances, the application of pipeline explosion-proof boxes is crucial. Traditional pipeline explosion-proof boxes are usually designed with two interfaces to meet the explosion-proof requirements at two wire joints. However, with the improvement of industrial automation and the increase of equipment complexity, many pipeline systems need to connect multiple wire joints, and the existing dual-interface explosion-proof boxes are stretched in this case.

[0003] Specifically, the traditional double-interface explosion-proof box has the following main problems when facing multi-line joint pipelines:

[0004] 1. Poor explosion-proof effect: Due to the limited number of interfaces of the explosion-proof box, when there are multiple wire joints in the pipeline, some wire joints may not be effectively covered by the explosion-proof box, resulting in a decrease in the explosion-proof performance of these areas, increasing safety hazards;

[0005] 2. The installation of multiple explosion-proof boxes in series or in parallel makes the maintenance of the pipeline system complicated. During the inspection and maintenance process, the explosion-proof performance of each explosion-proof box needs to be checked one by one, which increases the workload and maintenance cost;

[0006] 3. Using multiple dual-interface explosion-proof boxes to meet the needs of multi-wire joint pipelines will undoubtedly increase the cost of equipment and materials, which may be a considerable expense for large enterprises. Utility Model Content

[0007] In order to overcome at least one of the defects of the prior art, the utility model provides a pipeline explosion-proof box, which can adapt to a pipeline system with multiple line joints and provide more comprehensive and effective explosion-proof protection.

[0008] The technical solution adopted by the utility model to solve the problem is:

[0009] A pipeline explosion-proof box comprises: an explosion-proof box seat, a maintenance port is arranged on the top surface of the explosion-proof box seat, and an explosion-proof cavity is formed inside the explosion-proof box seat; an explosion-proof box cover, the explosion-proof box cover is detachably sealed to the maintenance port; a threading post, a plurality of threading posts are arranged at intervals around the explosion-proof box seat, a threading hole is arranged at the center of the threading post, and the threading hole is connected to the explosion-proof cavity; a sealing gasket, the sealing gasket is located at the end of the threading post; and a wire fixing device, the wire fixing device is used to fix the pipeline wire in the explosion-proof cavity.

[0010] By adopting the above scheme, firstly, in view of the problem of poor explosion-proof effect, the utility model designs multiple threading posts, and each threading post is provided with a threading hole in the center, so that the needs of multi-wire joint pipelines can be met. All wire joints can enter the explosion-proof cavity through these threading holes, so that they are effectively covered by the explosion-proof box, which greatly improves the explosion-proof performance and reduces safety hazards. Secondly, in view of the problem of complex maintenance, the explosion-proof box cover of the utility model is designed to be detachable, which is convenient to open for maintenance or inspection when necessary. At the same time, since all wire joints enter the explosion-proof cavity through the threading holes of the threading posts, it is only necessary to check and maintain the explosion-proof box itself, without checking the explosion-proof performance of each explosion-proof box one by one, which greatly simplifies the maintenance process and reduces the workload and maintenance cost. Finally, in view of the high cost, although each explosion-proof box may be slightly more expensive than the traditional dual-interface explosion-proof box, considering that it can meet the needs of multi-wire joint pipelines and avoid the additional cost caused by using multiple dual-interface explosion-proof boxes, the pipeline explosion-proof box of the utility model is economical and efficient from the overall point of view.

[0011] Furthermore, a seal is provided between the maintenance port and the explosion-proof box cover.

[0012] By adopting the above scheme, the sealing performance of the explosion-proof box can be further enhanced, thereby ensuring safety when used in flammable and explosive environments. The main function of the seal is to fill the small gap between the explosion-proof box seat and the maintenance port when the explosion-proof box cover is closed, so as to prevent dangerous substances such as flammable gas, steam or dust from entering the explosion-proof cavity. This design not only improves the explosion-proof performance of the explosion-proof box, but also enhances its environmental adaptability, so that it can work normally in a more severe environment. Specifically, the seal is usually made of high temperature resistant, corrosion resistant, and wear resistant materials, such as silicone, rubber or special alloys. These materials can maintain stable performance under high temperature, high pressure or corrosive environments, ensuring that the seal is effective for a long time. In addition, the design of the seal also needs to consider the convenience of its installation and removal. Usually, the seal adopts compression sealing or threaded sealing to ensure that the explosion-proof box cover can fit tightly on the explosion-proof box seat when closed, and is convenient for maintenance or inspection when necessary.

[0013] Furthermore, an explosion-proof tightening screw is arranged on the top of the explosion-proof box cover, an explosion-proof stud is arranged in the explosion-proof cavity corresponding to the explosion-proof tightening screw, and the explosion-proof tightening screw is threadedly connected with the explosion-proof stud.

[0014] By adopting the above solution, not only the sealing performance of the explosion-proof box is enhanced, but also its explosion-proof effect is improved. The materials of explosion-proof tightening screws and explosion-proof studs are usually specially treated to ensure that they can maintain stable performance in high temperature, high pressure or corrosive environments. In this way, the sealing performance of the explosion-proof box can be guaranteed even in harsh working environments. This design also makes the maintenance and overhaul of the explosion-proof box more convenient.

[0015] Furthermore, the wire fixing device includes: a fixed base frame, which is fixed on the bottom plate of the explosion-proof cavity; a wire fixing adjustment ring, which is hollow inside to form a wire hole, and the wire fixing adjustment ring includes a fixing part and an adjustment part, the fixing part is fixed to the fixed base frame, and the adjustment part is used to adjust the ring diameter of the wire fixing adjustment ring.

[0016] By adopting the above solution, the wire fixing device is an important part to ensure that the cable or other pipelines can be firmly installed in the explosion-proof cavity and effectively prevent them from moving or loosening. The wire fixing device includes a fixed base frame and a wire fixing adjustment ring. This design can flexibly adapt to pipelines of different diameters and quantities, while ensuring the stability of the pipelines in the explosion-proof cavity.

[0017] Furthermore, the adjustment part includes: a receiving slot, in which a first card plate is arranged; an adjustment card member, on which a plurality of teeth engaged with the first card plate are arranged, and the adjustment card member extends into the receiving slot to engage the first card plate with the teeth.

[0018] By adopting the above solution, the detailed design of the adjustment part further improves its adaptability and convenience of operation. The adjustment part includes a receiving card slot and an adjustment card piece. This design allows the user to flexibly adjust the size of the ring of the fixed line adjustment ring according to the diameter of the pipeline. First, the receiving card slot is located at a specific position of the fixed line adjustment ring, and the internal space is used to accommodate the first card plate. The first card plate is usually designed to have an elastic structure so that it can be smoothly connected or disengaged with the card teeth on the adjustment card piece during the adjustment process.

[0019] Furthermore, the explosion-proof box seat is a prism, the number of edges of the explosion-proof box seat is four or more, and threading columns are provided on at least two sides of the explosion-proof box seat.

[0020] By adopting the above solution, the prismatic explosion-proof box seat has more mounting surfaces and can be more conveniently connected to various pipeline systems. Due to the increase in the number of edges, the explosion-proof box seat can more easily adapt to pipelines of different shapes and sizes, thereby improving its versatility and adaptability.

[0021] Furthermore, a temperature exceeding limit indicator light is also provided on the explosion-proof box cover.

[0022] By adopting the above solution, the temperature inside the explosion-proof box is monitored in real time, and a warning is issued when the temperature exceeds a preset safety threshold.

[0023] Furthermore, an internal thread is provided in the threading hole.

[0024] By adopting the above solution, the setting of the internal thread enables the threading hole to be threadedly connected with other components such as pipelines and cables with external threads. This connection method is more stable than the traditional connection method, and can effectively prevent the pipeline or cable from loosening or falling off inside the explosion-proof box, thereby ensuring the stability and safety of the pipeline.

[0025] Furthermore, the explosion-proof box seat and the explosion-proof box cover are both filled with explosion-proof fillers.

[0026] By adopting the above scheme, the main function of the explosion-proof filler is to provide additional safety protection and further enhance the explosion-proof performance of the explosion-proof box.

[0027] Furthermore, the explosion-proof filler is diatomaceous earth or ceramic fiber.

[0028] By adopting the above scheme, diatomite, as a natural inorganic material, has a variety of excellent physical and chemical properties. In the application of explosion-proof boxes, diatomite as a filler has the following characteristics: excellent adsorption performance, good thermal insulation performance, and excellent stability. Ceramic fiber, as a high-performance refractory material, also has significant advantages in the application of explosion-proof boxes, with high temperature stability, excellent thermal insulation performance, and excellent mechanical properties.

[0029] In summary, the pipeline explosion-proof box provided by the utility model has the following technical effects:

[0030] 1. By designing multiple threading posts, each threading post is provided with a threading hole in the center, which can meet the needs of multi-wire joint pipelines, thereby ensuring that all wire joints are effectively covered by the explosion-proof box, greatly improving the explosion-proof performance and reducing safety hazards;

[0031] 2. The explosion-proof box cover is designed to be detachable, which is convenient for opening for maintenance or inspection when necessary. Since all wire joints enter the explosion-proof cavity through the threading holes of the threading column, the maintenance process is simplified, reducing workload and maintenance costs;

[0032] 3. Considering that it can meet the needs of multi-line joint pipelines and avoid the additional cost of using multiple double-interface explosion-proof boxes, the explosion-proof box is cost-effective overall;

[0033] 4. The design of the wire fixing device can flexibly adapt to pipelines of different diameters and quantities, ensuring the stability of the pipelines in the explosion-proof cavity and preventing them from moving or loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0035] Figure 2 It is a schematic diagram of the internal structure of an embodiment of the utility model;

[0036] Figure 3 It is a side structural schematic diagram of an embodiment of the utility model;

[0037] Figure 4 It is a schematic structural diagram of a wire fixing device according to an embodiment of the utility model.

[0038] Among them, the meanings of the accompanying drawings are as follows: 1. explosion-proof box seat; 11. maintenance port; 12. explosion-proof cavity; 13. explosion-proof stud; 2. explosion-proof box cover; 21. explosion-proof tightening screw; 3. threading column; 31. threading hole; 311. internal thread; 4. sealing gasket; 5. sealing member; 6. wire fixing device; 61. fixed base frame; 62. wire fixing adjustment ring; 621. wire hole; 622. fixing part; 623. adjustment part; 7. accommodating slot; 71. first clamping plate; 8. adjustment clamp; 81. clamping tooth; 9. temperature exceeding limit indicator light. DETAILED DESCRIPTION

[0039] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0040] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0041] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0043] See also Figure 1-Figure 4 The utility model discloses a pipeline explosion-proof box, including an explosion-proof box seat 1, an explosion-proof box cover 2, a threading column 3, a sealing gasket 4 and a wire fixing device 6. The top surface of the explosion-proof box seat 1 is provided with a maintenance port 11, and the explosion-proof box seat 1 has an explosion-proof cavity 12 inside. The explosion-proof box cover 2 is detachable and sealed to the maintenance port 11. A plurality of threading columns 3 are provided, which are spaced around the explosion-proof box seat 1. A threading hole 31 is provided at the center of the threading column 3, and the threading hole 31 is communicated with the explosion-proof cavity 12. The sealing gasket 4 is located at the end of the threading column 3, and the wire fixing device 6 is used to fix the pipeline line in the explosion-proof cavity 12. Firstly, in view of the problem of poor explosion-proof effect, the utility model designs a plurality of threading columns 3, and a threading hole 31 is provided at the center of each threading column 3, so that the needs of multi-line joint pipelines can be met. The threading hole 31 is provided with an internal thread 311, and the setting of the internal thread 311 enables the threading hole 31 to be threadedly connected with other components such as pipelines and cables with external threads. This connection method is more stable than the traditional connection method, and can effectively prevent the pipeline or cable from loosening or falling off inside the explosion-proof box, thereby ensuring the stability and safety of the pipeline. All wire joints can enter the explosion-proof cavity 12 through these threading holes 31, so that they are effectively covered by the explosion-proof box, which greatly improves the explosion-proof performance and reduces safety hazards. Secondly, in view of the problem of complex maintenance, the explosion-proof box cover 2 of the utility model is designed to be detachable, which is convenient to open for maintenance or inspection when necessary. At the same time, since all wire joints enter the explosion-proof cavity 12 through the threading hole 31 of the threading column 3, it is only necessary to check and maintain the explosion-proof box itself, without checking the explosion-proof performance of each explosion-proof box one by one, which greatly simplifies the maintenance process and reduces the workload and maintenance cost. Finally, regarding the high cost issue, although each explosion-proof box may be slightly more expensive than a traditional dual-interface explosion-proof box, considering that it can meet the needs of multi-line joint pipelines and avoid the extra cost of using multiple dual-interface explosion-proof boxes, the pipeline explosion-proof box of the utility model is economical and efficient overall.

[0044] It should be noted that a seal 5 is provided between the maintenance port 11 and the explosion-proof box cover 2, so as to further enhance the sealing performance of the explosion-proof box, thereby ensuring the safety when used in an inflammable and explosive environment.

[0045] In some embodiments, the explosion-proof box cover 2 is connected with the explosion-proof box cover 2 by threaded sealing. Specifically, an explosion-proof tightening screw 21 is provided on the top of the explosion-proof box cover 2, and an explosion-proof stud 13 is provided in the explosion-proof cavity 12 corresponding to the explosion-proof tightening screw 21. The explosion-proof tightening screw 21 is threadedly connected with the explosion-proof stud 13, which not only enhances the sealing performance of the explosion-proof box, but also improves its explosion-proof effect. The materials of the explosion-proof tightening screw 21 and the explosion-proof stud 13 are usually specially treated to ensure that they can maintain stable performance in high temperature, high pressure or corrosive environments. In this way, the sealing performance of the explosion-proof box can be guaranteed even in harsh working environments, and this design also makes the maintenance and overhaul of the explosion-proof box more convenient.

[0046] In the present embodiment 1, the line fixing device 6 comprises a fixed base frame 61 and a line fixing adjustment ring 62, wherein the fixed base frame 61 is fixed to the bottom plate of the explosion-proof cavity 12, the line fixing adjustment ring 62 is hollow inside to form a line hole 621, the line fixing adjustment ring 62 comprises a fixing portion 622 and an adjustment portion 623, wherein the fixing portion 622 is fixed to the fixed base frame 61, and the adjustment portion 623 is used to adjust the diameter of the ring of the line fixing adjustment ring 62, and the adjustment portion 623 comprises a receiving card slot 7 and an adjustment clamp 8, wherein a first clamp plate 71 is provided in the receiving card slot 7, and a plurality of clamp teeth 81 are provided on the adjustment clamp 8 to be clamped with the first clamp plate 71, and the adjustment clamp 8 extends into the receiving card slot 7 so that the first clamp plate 71 is clamped with the clamp teeth 81. The adjustment clamp 8 is a key part of the adjustment portion 623, and a plurality of clamp teeth 81 are provided on the adjustment clamp 8. These latch teeth 81 are usually arranged at a certain interval, and the size and shape of each latch tooth 81 are carefully designed to ensure that they can be firmly engaged with the first clamping plate 71. The adjustment clamp 8 can extend into the accommodating slot 7, and by moving the adjustment clamp 8, the first clamping plate 71 is engaged with different latch teeth 81, thereby changing the diameter of the ring of the fixed wire adjustment ring 62.

[0047] When in use, the user can adjust the size of the opening of the wire fixing adjustment ring 62 as needed. First, the pipeline passes through the wire hole 621 inside the wire fixing adjustment ring 62, and then the adjustment clamp 8 is inserted into the receiving clamp groove 7, so that the first clamp plate 71 is clamped with a certain clamping tooth 81 on the adjustment clamp 8. If the size of the opening needs to be adjusted, just gently move the adjustment clamp 8 so that the first clamp plate 71 is clamped with another clamping tooth 81.

[0048] Preferably, the explosion-proof box seat 1 is a prism, the number of edges of the explosion-proof box seat 1 is four or more, and the explosion-proof box seat 1 is provided with threading posts 3 on at least two sides. Preferably, the explosion-proof box seat 1 is a quadrangular prism, and threading posts 3 are provided on three sides, and two are provided on each side, so that it can be more conveniently connected to various pipeline systems. Due to the increase in the number of edges, the explosion-proof box seat 1 can more easily adapt to pipelines of different shapes and sizes, thereby improving its versatility and adaptability.

[0049] In some embodiments, in order to facilitate maintenance, a temperature exceeding limit indicator light 9 is also provided on the explosion-proof box cover 2 to monitor the temperature inside the explosion-proof box in real time and issue a warning when the temperature exceeds a preset safety threshold.

[0050] It should be noted that the explosion-proof box seat 1 and the explosion-proof box cover 2 are filled with explosion-proof fillers. Preferably, the explosion-proof filler is diatomaceous earth or ceramic fiber. Diatomaceous earth, as a natural inorganic material, has a variety of excellent physical and chemical properties. In the application of explosion-proof boxes, diatomaceous earth as a filler has the following characteristics:

[0051] 1. Excellent adsorption performance: Diatomaceous earth has strong adsorption capacity, which can absorb and fix harmful substances produced by explosions and reduce their pollution to the environment.

[0052] 2. Good thermal insulation performance: Diatomaceous earth has a low thermal conductivity and can be used as a good thermal insulation material to reduce the transfer of heat generated by the explosion to the surrounding environment.

[0053] 3. Excellent stability: Diatomaceous earth has high chemical stability and thermal stability, and can maintain its performance unchanged in a wide temperature range.

[0054] As a high-performance refractory material, ceramic fiber also has significant advantages in the application of explosion-proof boxes:

[0055] 1. High temperature stability: Ceramic fiber can maintain the stability of its structure and performance at extremely high temperatures, and is suitable for explosion-proof boxes in high temperature environments.

[0056] 2. Excellent thermal insulation performance: The thermal conductivity of ceramic fiber is extremely low, which can effectively prevent the transfer of heat and reduce the damage to the interior of the explosion-proof box caused by the heat generated by the explosion.

[0057] 3. Excellent mechanical properties: Ceramic fiber has high strength and toughness, which can provide additional support and protection during explosions.

[0058] In addition, ceramic fibers have excellent chemical stability and corrosion resistance, and can maintain their performance unchanged in harsh chemical environments.

[0059] In summary, diatomaceous earth and ceramic fiber have unique advantages and performance as explosion-proof fillers in the application of explosion-proof boxes. The choice of which material to use as explosion-proof filler needs to be comprehensively considered based on the specific application environment and needs.

[0060] In summary, the pipeline explosion-proof box provided by the utility model has the following technical effects:

[0061] 1. By designing multiple threading posts 3, each threading post 3 is provided with a threading hole 31 in the center, the requirements of multi-wire joint pipelines can be met, thereby ensuring that all wire joints are effectively covered by the explosion-proof box, greatly improving the explosion-proof performance and reducing safety hazards;

[0062] 2. The explosion-proof box cover 2 is designed to be detachable, so it can be opened for maintenance or inspection when necessary. Since all wire joints enter the explosion-proof cavity 12 through the threading holes 31 of the threading column 3, the maintenance process is simplified, and the workload and maintenance cost are reduced;

[0063] 3. Considering that it can meet the needs of multi-line joint pipelines and avoid the additional cost of using multiple double-interface explosion-proof boxes, the explosion-proof box is cost-effective overall;

[0064] 4. The design of the line fixing device 6 can flexibly adapt to pipelines of different diameters and numbers, ensuring the stability of the pipelines in the explosion-proof cavity 12 and preventing them from moving or loosening.

[0065] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A pipeline explosion-proof box, characterized in that: include: An explosion-proof box seat (1), wherein a maintenance opening (11) is provided on the top surface of the explosion-proof box seat (1), and an explosion-proof cavity (12) is provided inside the explosion-proof box seat (1); An explosion-proof box cover (2), wherein the explosion-proof box cover (2) is detachably sealed to the maintenance opening (11); A threading column (3), wherein a plurality of the threading columns (3) are arranged at intervals around the explosion-proof box seat (1), a threading hole (31) is arranged at the center of the threading column (3), and the threading hole (31) is communicated with the explosion-proof cavity (12); A sealing gasket (4), the sealing gasket (4) being located at the end of the threading column (3); A line fixing device (6), the line fixing device (6) being used to fix the pipeline line in the explosion-proof cavity (12); A sealing member (5) is provided between the maintenance port (11) and the explosion-proof box cover (2); An explosion-proof tightening screw (21) is arranged on the top of the explosion-proof box cover (2), an explosion-proof stud (13) is arranged in the explosion-proof cavity (12) corresponding to the explosion-proof tightening screw (21), and the explosion-proof tightening screw (21) is threadedly connected to the explosion-proof stud (13); The wire fixing device (6) comprises: A fixed base frame (61), wherein the fixed base frame (61) is fixed to a bottom plate of the explosion-proof cavity (12); A wire fixing adjustment ring (62), wherein the wire fixing adjustment ring (62) is hollow inside to form a wire hole (621), and the wire fixing adjustment ring (62) comprises a fixing portion (622) and an adjusting portion (623), wherein the fixing portion (622) is fixed to the fixing base frame (61), and the adjusting portion (623) is used to adjust the diameter of the ring opening of the wire fixing adjustment ring (62); The adjustment unit (623) comprises: A card receiving slot (7), wherein a first card plate (71) is arranged in the card receiving slot (7); an adjusting card (8), wherein the adjusting card (8) is provided with a plurality of latching teeth (81) for latching with the first latch plate (71), and the adjusting card (8) extends into the accommodating card slot (7) so that the first latch plate (71) is latched with the latching teeth (81); The explosion-proof box seat (1) is a prism, the number of edges of the explosion-proof box seat (1) is four or more, and threading columns (3) are provided on at least two sides of the explosion-proof box seat (1); The explosion-proof box cover (2) is also provided with a temperature exceeding limit indicator light (9); The threading hole (31) is provided with an internal thread (311); The explosion-proof box seat (1) and the explosion-proof box cover (2) are both filled with explosion-proof fillers; The explosion-proof filler is diatomaceous earth or ceramic fiber.

Images