Radiant electric heater for plastics fire reaction test

By introducing magnets and fixing screws into the radiant heater, the problem of the difficulty in quickly disassembling the loading net and dustproof net in the prior art is solved, thus improving experimental efficiency.

CN224503529UActive Publication Date: 2026-07-14JIANGSU JIANGHUA POLYURETHANE PROD QUALITY TESTING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JIANGHUA POLYURETHANE PROD QUALITY TESTING CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

The existing radiant electric heaters used for plastic fire reaction tests are not convenient for quick disassembly and cleaning of the load-bearing net and dustproof net, resulting in low experimental efficiency.

Method used

A radiant electric heater comprising a base shell, a radiant heater body, a first mounting slot, and a first mounting bracket was designed. Through the cooperation of magnets and fixing screws, the loading net and dustproof net can be quickly disassembled and installed.

Benefits of technology

It enables the rapid disassembly and cleaning of the loading net and dustproof net, improving experimental efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224503529U_ABST
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Abstract

The utility model belongs to electric heater technical field especially is a kind of radiation electric heater for plastic fire reaction test, for efficiency problem, present and propose following scheme, it includes bottom shell;The inner surface of bottom shell is fixed with radiation heater body;The upper surface of bottom shell is equipped with a mounting groove;The outer surface of bottom shell is fixed with a mounting bracket;The upper surface of a mounting bracket is equipped with a sliding slot;The inner surface of a mounting groove is slidably installed with two mounting brackets;The upper surface of two mounting brackets is equipped with two mounting grooves;The inner surface of two mounting grooves is slidably installed with a mounting frame;The inner surface of a mounting frame is fixed with dust screen;The upper surface of a mounting frame is movably installed with two mounting frames.The setting of fixed plate realizes the quick disassembly of a mounting frame and two mounting frames, so that the cleaning of the object-carrying net and dust screen can be carried out, and the efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of electric heater technology, and in particular to a radiant electric heater for testing the reaction of plastics with fire. Background Technology

[0002] The radiant electric heater used in the plastic fire reaction test is a core device for evaluating the combustion performance of materials. By simulating the thermal radiation environment of a fire, it quantitatively analyzes the ignition properties, flame propagation, and heat release characteristics of plastics.

[0003] However, the existing technology still has shortcomings. It is not convenient to quickly disassemble and clean the load-bearing net and dustproof net, and it is not convenient to conduct experiments on plastics, resulting in low efficiency.

[0004] Therefore, we propose a radiant electric heater for testing the reaction of plastics with fire to solve this problem. Utility Model Content

[0005] The purpose of this invention is to solve the problems mentioned in the background art and to provide a radiant electric heater for plastic fire reaction testing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A radiant electric heater for testing the fire reaction of plastics includes a base shell; a radiant heater body is fixedly connected to the inner surface of the base shell; a first mounting groove is provided on the upper surface of the base shell; a first mounting bracket is fixedly connected to the outer surface of the base shell; a first sliding groove is provided on the upper surface of the first mounting bracket; a second mounting bracket is slidably mounted on the inner surface of the first mounting groove; a second mounting groove is provided on the upper surface of the second mounting bracket; a first mounting frame is slidably mounted on the inner surface of the second mounting groove; a dustproof net is fixedly connected to the inner surface of the first mounting frame; and a second mounting frame is movably mounted on the upper surface of the first mounting frame. A carrying net is fixedly connected to the inner surface of the second mounting frame; a mounting block is slidably installed on the inner surface of the first sliding groove; a fixing plate is fixedly connected to one outer surface of the mounting block; a fixing screw is slidably installed on the inner surface of the mounting block; a first fixing groove is provided on the upper surface of the mounting block; a first magnet is fixedly connected to the inner surface of the first fixing groove; a mounting shell is slidably installed on the outer surface of the mounting block; a connecting frame is fixedly connected to the upper surface of the mounting shell; an observation window is fixedly connected to the upper surface of the connecting frame; a second fixing groove is provided on the lower surface of the connecting frame; a second magnet is fixedly connected to the inner surface of the second fixing groove.

[0008] Preferably, the first magnet and the second magnet cooperate with each other; the fixing screw is rotatably mounted on the inner surface of the first mounting bracket.

[0009] Preferably, the fixing plate is located above the second mounting frame; the mounting block is fixed to the inner surface of the first mounting bracket by fixing screws.

[0010] Preferably, the second mounting frame is fixed to the upper surface of the first mounting frame by a fixing plate; the first mounting frame is located above the radiant heater body.

[0011] Preferably, the cargo net is located above the dustproof net.

[0012] In this utility model, a radiant electric heater for testing the reaction of plastic with fire is provided. Through the arrangement of a bottom shell, radiant heater body, a first mounting slot, a first mounting frame, a first sliding groove, a second mounting frame, a second mounting slot, a first mounting frame, a dustproof net, a second mounting frame, a carrying net, a mounting block, a fixing plate, a first fixing groove, a first magnet, and a fixing screw, when cleaning the carrying net and dustproof net, rotating the fixing screw removes it from the first mounting frame. This allows the mounting block to be removed from the first sliding groove, and the fixing plate to be removed from the second mounting frame. This eliminates the need for pressing and fixing the first and second mounting frames, allowing them to be removed from the bottom shell for cleaning. This enables rapid disassembly of the first and second mounting frames, facilitating the cleaning of the carrying net and dustproof net, thus improving efficiency.

[0013] In this utility model, a radiant electric heater for testing the reaction of plastics with fire is provided. Through the arrangement of a first fixing slot, a first magnet, a mounting shell, a connecting frame, an observation window, a second fixing slot, and a second magnet, the connecting frame can be quickly installed and disassembled by the cooperation between the first magnet and the second magnet, thereby improving the efficiency of the experiment.

[0014] This utility model has a reasonable structural design, is simple to operate, and has high reliability. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a radiant electric heater for a plastic fire reaction test proposed in this utility model;

[0016] Figure 2 This is a partial three-dimensional structural schematic diagram of a radiant electric heater for testing the fire reaction of plastics according to this utility model;

[0017] Figure 3 This is a bottom-view three-dimensional structural diagram of the connecting frame in this utility model.

[0018] In the diagram: 1. Bottom shell; 2. Radiation heater body; 3. Mounting slot 1; 4. Mounting bracket 1; 5. Slide 1; 6. Mounting bracket 2; 7. Mounting slot 2; 8. Mounting frame 1; 9. Dustproof net; 10. Mounting frame 2; 11. Loading net; 12. Mounting block; 13. Fixing plate; 14. Fixing slot 1; 15. Magnet 1; 16. Fixing screw; 17. Mounting shell; 18. Connecting frame; 19. Observation window; 20. Fixing slot 2; 21. Magnet 2. Detailed Implementation

[0019] 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.

[0020] Reference Figure 1-3 A radiant electric heater for testing the reaction of plastic with fire includes a base shell 1; a radiant heater body 2 is fixedly connected to the inner surface of the base shell 1; a first mounting groove 3 is provided on the upper surface of the base shell 1; a first mounting bracket 4 is fixedly connected to the outer surface of the base shell 1; a first sliding groove 5 is provided on the upper surface of the first mounting bracket 4; a second mounting bracket 6 is slidably mounted on the inner surface of the first mounting groove 3; a second mounting groove 7 is provided on the upper surface of the second mounting bracket 6; a first mounting frame 8 is slidably mounted on the inner surface of the second mounting groove 7; a dustproof net 9 is fixedly connected to the inner surface of the first mounting frame 8; a second mounting frame 10 is movably mounted on the upper surface of the first mounting frame 8; and the inner surface of the second mounting frame 10... A carrying net 11 is fixedly connected to the surface; a mounting block 12 is slidably installed on the inner surface of the first sliding groove 5; a fixing plate 13 is fixedly connected to one outer surface of the mounting block 12; a fixing screw 16 is slidably installed on the inner surface of the mounting block 12; a first fixing groove 14 is provided on the upper surface of the mounting block 12; a first magnet 15 is fixedly connected to the inner surface of the first fixing groove 14; a mounting shell 17 is slidably installed on the outer surface of the mounting block 12; a connecting frame 18 is fixedly connected to the upper surface of the mounting shell 17; an observation window 19 is fixedly connected to the upper surface of the connecting frame 18; a second fixing groove 20 is provided on the lower surface of the connecting frame 18; a second magnet 21 is fixedly connected to the inner surface of the second fixing groove 20.

[0021] Furthermore, magnet 15 and magnet 21 cooperate with each other; fixing screw 16 is rotatably mounted on the inner surface of mounting bracket 4.

[0022] Furthermore, the fixing plate 13 is located above the second mounting frame 10; the mounting block 12 is fixed to the inner surface of the first mounting bracket 4 by the fixing screw 16.

[0023] Furthermore, the second mounting frame 10 is fixed to the upper surface of the first mounting frame 8 by the fixing plate 13; the first mounting frame 8 is located above the radiant heater body 2.

[0024] Furthermore, the cargo net 11 is located above the dustproof net 9.

[0025] In this invention, when cleaning the loading net 11 and dustproof net 9, the fixing screw 16 is rotated to remove it from the first mounting bracket 4. This allows the mounting block 12 to be removed from the first sliding groove 5 and from the fixing plate 13 onto the second mounting frame 10. This eliminates the need for pressing and fixing the first and second mounting frames 8 and 10, allowing them to be removed from the bottom shell 1. This enables the cleaning of the loading net 11 and dustproof net 9, achieving rapid disassembly of the first and second mounting frames 8 and 10, thus improving efficiency. Furthermore, the cooperation between the first magnet 15 and the second magnet 21 allows for rapid installation and disassembly of the connecting frame 18, further enhancing experimental efficiency.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A radiant electric heater for testing the reaction of plastics with fire, characterized in that, Includes a bottom shell (1); a radiant heater body (2) is fixedly connected to the inner surface of the bottom shell (1); a first mounting groove (3) is provided on the upper surface of the bottom shell (1); a first mounting bracket (4) is fixedly connected to the outer surface of the bottom shell (1); a first sliding groove (5) is provided on the upper surface of the first mounting bracket (4); a second mounting bracket (6) is slidably installed on the inner surface of the first mounting groove (3); a second mounting groove (7) is provided on the upper surface of the second mounting bracket (6); a first mounting frame (8) is slidably installed on the inner surface of the second mounting groove (7); a dustproof net (9) is fixedly connected to the inner surface of the first mounting frame (8); a second mounting frame (10) is movably installed on the upper surface of the first mounting frame (8); a load-bearing net (10) is fixedly connected to the inner surface of the second mounting frame (10). 1) An installation block (12) is slidably installed on the inner surface of the first slide groove (5); a fixing plate (13) is fixedly connected to one side of the outer surface of the installation block (12); a fixing screw (16) is slidably installed on the inner surface of the installation block (12); a first fixing groove (14) is provided on the upper surface of the installation block (12); a first magnet (15) is fixedly connected to the inner surface of the first fixing groove (14); an installation shell (17) is slidably installed on the outer surface of the installation block (12); a connecting frame (18) is fixedly connected to the upper surface of the installation shell (17); an observation window (19) is fixedly connected to the upper surface of the connecting frame (18); a second fixing groove (20) is provided on the lower surface of the connecting frame (18); a second magnet (21) is fixedly connected to the inner surface of the second fixing groove (20).

2. The radiant electric heater for testing the fire reaction of plastics according to claim 1, characterized in that, The first magnet (15) and the second magnet (21) cooperate with each other; the fixing screw (16) is rotatably installed on the inner surface of the first mounting bracket (4).

3. A radiant electric heater for testing the fire reaction of plastics according to claim 1, characterized in that, The fixing plate (13) is located above the second mounting frame (10); the mounting block (12) is fixed to the inner surface of the first mounting bracket (4) by the fixing screw (16).

4. A radiant electric heater for testing the fire reaction of plastics according to claim 1, characterized in that, The second mounting frame (10) is fixed to the upper surface of the first mounting frame (8) by a fixing plate (13); the first mounting frame (8) is located above the radiant heater body (2).

5. A radiant electric heater for testing the fire reaction of plastics according to claim 1, characterized in that, The cargo net (11) is located above the dustproof net (9).