Building material flame retardance detection equipment

By combining a flame gun and a knob limiting unit, the problem of existing equipment being unable to be portable and quickly test the flame retardancy of multiple materials is solved, thus achieving safe and efficient flame retardancy testing of building materials.

CN224052125UActive Publication Date: 2026-03-27武丹丹
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing flame retardancy testing equipment for building materials is neither portable nor quick enough to test the flame retardancy of multiple materials, and poses safety hazards when the burning range expands.

Method used

A flame retardancy testing device for building materials was designed, comprising a flame gun, a nozzle tube, and a material collection unit. The flame retardancy of the sample is tested by spraying flames through the flame gun, and the sample is rapidly rotated and safely collected using a knob and a limit unit.

Benefits of technology

It enables portable multi-material flame retardant testing, improving testing efficiency and safety, and avoiding the danger caused by materials falling from open flame.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses building material flame resistance detection equipment which comprises a flame gun and a nozzle pipe, the nozzle pipe is installed at the top end of one side of the flame gun, and a material containing unit is arranged on one side of the nozzle pipe. According to the building material flame retardance detection equipment, through cooperation of the flame spraying gun, the nozzle pipe and the material containing unit, after a single sample is sprayed by flame for a certain time, a rotary knob can be rotated by 90 degrees each time, other samples make contact with the sprayed flame, and flame retardance detection can be rapidly conducted on the samples made of various different materials; when materials with open fire fall down during flame retardant detection, the water containing box containing water can contain the materials, the situation that other objects are ignited cannot occur, the safety performance during flame retardant detection is guaranteed, in addition, the overall flame retardant detection structure is small and exquisite and convenient to carry by outgoing purchasers, and the practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material detection technical field, concretely is a kind of building material flame retardance detection equipment. BACKGROUND

[0002] Building material refers to the various materials used in construction engineering and its products, is the material basis of all construction engineering, building material not only determines the appearance aesthetic feeling of building, is the key to ensure the safety of building structure, use function and durability.With the progress of science and technology, new building materials such as thermal insulation material, heat insulation material, high-strength material etc.

[0003] Wall decoration cloth belongs to one of new building materials, especially composite functional wall decoration cloth, usually has waterproof, fireproof, soundproof and anticorrosion and other high-quality features, this new building material needs to have the performance of various properties before production, and the flame-retardant property belongs to an important item in detection.

[0004] At present, some professional large equipment functional completely on the above new building material detection period, but cannot be carried, some building material purchasing personnel, during flame-retardant detection, usually use fire gun to spray the surface of the sample hanging to fire, watch whether it burns, in this process, different material fireproof wall decoration cloth cannot be detected by flame-retardant, and if the material flame-retardant is unqualified, the burning range expands, and the material with open fire falls down, the danger is higher, therefore it is necessary to put forward a kind of building material flame retardance detection equipment to solve the above technical problems. CONTENT OF UTILITY MODEL

[0005] In view of the above situation, to overcome the defects of prior art, the utility model provides building material flame retardance detection equipment, can be carried by purchasing personnel, can simultaneously carry out rapid flame-retardant detection to multiple different material materials, and can properly collect burning material during detection, and the safety performance is higher.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a flame retardancy testing device for building materials, comprising a flame gun and a nozzle tube. The nozzle tube is installed at the top of one side of the flame gun, and a material holding unit is provided on one side of the nozzle tube. The material holding unit includes: two circular plates, each with a crossbar fixedly connected to its outer wall. A sleeve is fixedly connected to the end of the crossbar away from the circular plate. The sleeve is fitted onto the outer wall of the nozzle tube, and two bolts are threaded onto the outer wall of the sleeve. The bolts penetrate a portion of the sleeve and abut against the nozzle tube. A circular block is concentrically arranged between the two circular plates, and the inner wall of the circular block... A circular shaft is fixedly connected to a circular plate via a ball bearing. A knob is fixedly connected to the front end of the circular shaft. Multiple heat-insulating columns are fixedly connected to the outer wall of the circular plate in an annular shape at equal intervals. A groove is fixedly connected to the end of the heat-insulating column away from the circular plate. A sample is fitted on the outer side of the groove. A collar is fitted on the outer side of the sample. The inner wall of the collar abuts against the sample. A bent rod is fixedly connected to the outer wall of the crossbar. A protrusion is abutted against the bottom end of the bent rod. A screw is inserted into the lower surface of the protrusion. The screw passes through the protrusion and is threadedly connected to the bent rod. Two protrusions are provided, and a water-holding box is fixedly connected between the two protrusions.

[0007] Preferably, a connecting rope is fixedly connected to the outer wall of the collar, and the other end of the connecting rope is fixedly connected to the contact surface of the groove cylinder.

[0008] Preferably, a limiting unit is provided in front of the circular block. The limiting unit includes two threaded cylinders, which are respectively threaded to both sides of the front surface of the circular plate. A nut is fixed to the front end of each threaded cylinder. A gasket is provided inside the threaded cylinder. A compression spring is fixed between the gasket and the nut. A support rod is fixed to the surface of the gasket away from the compression spring. A ball is fixed to the end of the support rod away from the gasket. The ball can be connected to the circular block by a slotted block. Four slotted blocks are provided, and the contact surfaces of the four slotted blocks and the circular block are fixedly connected. The four slotted blocks are distributed in a ring at equal intervals relative to the center of the circular block.

[0009] Preferably, two slide bars are symmetrically inserted into the surface of the gasket, and the slide bars are fixedly connected to the contact surface of the swivel cap.

[0010] Preferably, the edge of the groove block facing the sphere has a rounded corner structure.

[0011] Compared with existing technologies, the beneficial effects of this utility model are as follows: This flame retardancy testing equipment for building materials has the following advantages over traditional technologies:

[0012] Through the cooperation between the fire gun, the nozzle pipe and the material containing unit, the trigger of the fire gun is pulled to make the nozzle pipe spray the flame to act on the sample surface, and the user can detect the flame retardant performance of the sample by whether the sample is in the combustion state, in the process, after a single sample is sprayed by the flame for a certain time, the knob can be turned every 90 degrees, and other samples are contacted with the sprayed flame, so that the flame retardant detection of samples of different materials can be realized quickly, and when the material with open flame falls down during the flame retardant detection, the water containing box with water in the inside can contain it, so that other objects cannot be ignited, and the safety performance during the flame retardant detection can be guaranteed, in addition, the whole flame retardant detection structure is small and convenient to carry for the purchaser outside, and the practicality is high.

[0013] Through the cooperation between the fire gun, the nozzle pipe, the material containing unit and the limiting unit, when the knob is turned every 90 degrees, the ball will slide into the inside of the groove block for clamping when the sample is transversely contacted with the nozzle pipe, so that a position limiting effect can be provided during the revolution of the multiple samples around the circle block as the center by 90 degrees, the insufficient condition that the sprayed flame acts on the upper side of the sample can be avoided due to the insufficient or excessive angle of rotation, and the smooth operation of the flame retardant detection is beneficial. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent as various embodiments of the present disclosure are disclosed in conjunction with the following detailed description, taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numerals refer to the same or similar elements. It should be understood that the drawings are schematic, and the original and elements are not necessarily drawn according to the scale.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is Figure 1 It is a top view of the middle circle plate, the heat insulation column and the knob;

[0017] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0018] Figure 4 It is Figure 2 It is a top view of the circle block and the groove block;

[0019] Figure 5 It is Figure 1 It is an effect schematic diagram during subsequent use.

[0020] In the figure: 1, the flame gun, 2, the nozzle tube, 3, the round plate, 4, the crossbar, 5, the sleeve, 6, the bolt, 7, the round block, 8, the round shaft, 9, the knob, 10, the heat insulation column, 11, the groove cylinder, 12, the sample, 13, the sleeve ring, 14, the bent rod, 15, the water container, 16, the protruding block, 17, the screw, 18, the connecting rope, 19, the threaded cylinder, 20, the screw cap, 21, the gasket, 22, the compression spring, 23, the supporting rod, 24, the round ball, 25, the groove block, 26, the sliding rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of building material flame retardance detection equipment, including flame gun 1 and nozzle tube 2, nozzle tube 2 is installed in the top of one side of flame gun 1, one side of nozzle tube 2 is equipped with material containing unit, material containing unit includes: two round plates 3, the outer wall of two round plates 3 is all fixedly connected with crossbar 4, the end portion of crossbar 4 away from round plate 3 is fixedly connected with sleeve 5, sleeve 5 is sleeved on the outer wall of nozzle tube 2, the outer wall of sleeve 5 is threadedly connected with two bolts 6, bolt 6 is passed through a portion of sleeve 5 and is abutting tightly with nozzle tube 2, concentrically between two round plates 3 is equipped with round block 7, the inner wall of round block 7 is fixedly connected with round shaft 8, round shaft 8 is rotatably connected with round plate 3 by ball bearing, the front side end portion of round shaft 8 is fixedly connected with knob 9, the outer wall of round block 3 is annularly equidistantly fixedly connected with a plurality of heat insulation columns 10, the end portion of heat insulation column 10 away from round block 3 is fixedly connected with groove cylinder 11, groove cylinder 11 is sleeved on the outside of sample 12, sample 12 is sleeved with sleeve ring 13 on the outside, the inner wall of sleeve ring 13 is abutting tightly with sample 12, the outer wall of crossbar 4 is fixedly connected with bent rod 14, the bottom end of bent rod 14 is abutting tightly with protruding block 16, screw 17 is inserted into the lower surface of protruding block 16, screw 17 is threadedly connected with bent rod 14 by being passed through protruding block 16, two protruding blocks 16 are arranged, and water container 15 is fixedly connected between the two protruding blocks 16.

[0023] In the implementation process, it is worth pointing out that the fire gun 1 is a kind of ignition heating tool using butane gas tank to generate flame, the nozzle pipe 2 is installed in the flame output port of the fire gun 1, and the trigger on the top of the fire gun 1 is pulled to spray the flame out of the nozzle pipe 2. The operation of spraying the flame is different from the same principle of spraying the flame of the fire gun on the market, which belongs to the known part, so it is not necessary to make too much description. The inner wall of the sleeve 5 is gap fitted with the outer wall of the nozzle pipe 2. The gap fitting refers to the fitting with a gap (including the minimum gap equal to zero). After the rotating force is applied to the knob 9, the circular block 7 can be rotated, and the plurality of samples 12 can be rotated around the circular block 7 as the center. The heat insulation column 10 is a ceramic fiber column, and the sample 12 is a building decoration wall cloth material. The water tank 15 needs to pour appropriate amount of water in it before the flame retardant detection.

[0024] Further, the outer wall of the sleeve 13 is fixedly connected with the connecting rope 18, and the other end of the connecting rope 18 is fixedly connected with the contact surface of the groove cylinder 11.

[0025] In the implementation process, it is worth pointing out that the connecting rope 18 is a heat-resistant rope, which is generally woven with high-temperature resistant fiber, and can also be woven with aramid fiber. The most commonly used in China is glass fiber, which can effectively prevent the sleeve 13 from being lost.

[0026] Further, the front of the circular block 7 is provided with a limiting unit, and the limiting unit comprises: two threaded cylinders 19, the two threaded cylinders 19 are respectively threadedly connected on the two sides of the front surface of the circular plate 3, the front side end of the threaded cylinder 19 is fixedly connected with a rotating cap 20, the inside of the threaded cylinder 19 is provided with a gasket 21, the gasket 21 and the rotating cap 20 are fixedly connected with a compression spring 22, the surface of the gasket 21 away from the compression spring 22 is fixedly connected with a supporting rod 23, the end of the supporting rod 23 away from the gasket 21 is fixedly connected with a spherical ball 24, the spherical ball 24 is connected with the circular block 7 through a groove block 25, the groove block 25 is provided with four, and the four groove blocks 25 are fixedly connected with the contact surface of the circular block 7, and the four groove blocks 25 are distributed in a ring shape at equal distances relative to the center of the circular block 7.

[0027] In the implementation process, it is worth pointing out that the elastic coefficient of the compression spring 22 is 0.2-0.5 N / CM, and the threaded cylinder 19 is rotated by rotating the rotating cap 20. Due to the threaded connection relationship between the threaded cylinder 19 and the circular plate 3, the compression degree of the compression spring 22 can be controlled, so that the force between the spherical ball 24 and the groove block 25 can be adjusted.

[0028] Further, two slide rods 27 are symmetrically inserted into the surface of the gasket 21, and the contact surface of the slide rod 27 and the rotating cap 20 is fixedly connected.

[0029] In the embodiment, it is worth pointing out that the outer wall of the slide rod 27 is in gap fit with the through wall of the gasket 21, the slide rod 27 can play the effect of limiting the sliding of the gasket 21, so as to facilitate the stability during lifting the gasket 21.

[0030] Further, the edge of the groove block 25 close to the direction of the ball 24 is a rounded structure.

[0031] In the embodiment, it is worth pointing out that the outer wall of the slide rod 27 is in gap fit with the through wall of the gasket 21, the slide rod 27 can play the effect of limiting the sliding of the gasket 21, so as to facilitate the stability during lifting the gasket 21.

[0032] Working principle:

[0033] Various different material sample installation operation:

[0034] The user can first install a plurality of different material samples 12 on the outer side of the plurality of groove cylinders 11, and then install the sleeve ring 13 on the outside of the sample 12, and connect the sample 12 and the groove cylinder 11;

[0035] Various sample flame retardant detection operation:

[0036] Slide the sleeve 5 away from the direction of the flame gun 1 and rotate the bolt 6 clockwise, so that one end of the bolt 6 is in contact with the outer wall of the nozzle pipe 2, then pour an appropriate amount of water into the water container 15, and then start the trigger of the flame gun 1 to make the nozzle pipe 2 spray flame on the surface of the sample 12, the user can detect the flame retardant performance of the sample 12 by whether it is in combustion, in this process, after a single sample 12 is sprayed by the flame for a certain period of time, the knob 9 is turned every 90°, and the other samples 12 are in contact with the sprayed flame, so that the flame retardant detection of various different material samples 12 can be realized quickly, and when the material with open flame falls down during the flame retardant detection, the water container 15 with water inside can store it, so that other objects cannot be ignited, and the safety performance during the flame retardant detection is guaranteed.

[0037] Limiting operation of the circular block:

[0038] During the rotation of the knob 9 every 90°, the ball 24 will slide into the groove block 25 for clamping every time the sample 12 is transversely sprayed on the nozzle pipe 2, which can provide a position limiting effect during the revolution of the plurality of samples 12 around the circular block 7 as the center by 90°, which can effectively avoid the insufficient situation of the sprayed flame acting on the sample 12 above due to insufficient or excessive rotation angle, and facilitate the smooth progress of the flame retardant detection operation.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A building material flame resistance testing apparatus comprising a flame gun (1) and a nozzle tube (2) installed at the top end of one side of the flame gun (1), characterized in that: One side of the nozzle pipe (2) is provided with a material containing unit, the material containing unit includes: two round plates (3), the outer wall of two round plates (3) is fixedly connected with cross bar (4), the end of cross bar (4) away from round plate (3) is fixedly connected with sleeve (5), sleeve (5) is sleeved on the outer wall of nozzle pipe (2), the outer wall of sleeve (5) is threadedly connected with two bolts (6), the part of sleeve (5) penetrated by bolt (6) is abutting tightly with nozzle pipe (2), the concentric circular block (7) is arranged between two round plates (3), the inner wall of circular block (7) is fixedly connected with circular shaft (8), circular shaft (8) is rotatably connected with round plate (3) through ball bearing, the front end of circular shaft (8) is fixedly connected with knob (9), the outer wall of circular block (7) is fixedly connected with a plurality of heat insulation columns (10) in annular equidistant, the end of heat insulation column (10) away from circular block (7) is fixedly connected with groove cylinder (11), the outer side of groove cylinder (11) is sleeved with sample (12), the outer side of sample (12) is sleeved with sleeve ring (13), the inner wall of sleeve ring (13) is abutting tightly with sample (12), the outer wall of cross bar (4) is fixedly connected with bent rod (14), the bottom end of bent rod (14) is abutting tightly with protruding block (16), the lower surface of protruding block (16) is inserted with screw (17), the screw (17) is threadedly connected with bent rod (14) penetrating protruding block (16), the protruding block (16) is provided with two, and the water containing box (15) is fixedly connected between two protruding blocks (16).

2. The building material flame resistance detection device according to claim 1, wherein: The outer wall of sleeve ring (13) is fixedly connected with connecting rope (18), the other end of connecting rope (18) is fixedly connected with the contact surface of groove cylinder (11).

3. The building material flame resistance detection device of claim 1, wherein: The front of circular block (7) is provided with a limiting unit, the limiting unit includes: two threaded cylinders (19), two threaded cylinders (19) are threadedly connected on the two sides of the front surface of round plate (3) respectively, the front end of threaded cylinder (19) is fixedly connected with screw cap (20), the inside of threaded cylinder (19) is provided with gasket (21), the gasket (21) and screw cap (20) are fixedly connected with compression spring (22), the surface of gasket (21) away from compression spring (22) is fixedly connected with supporting rod (23), the end of supporting rod (23) away from gasket (21) is fixedly connected with circular ball (24), the circular ball (24) is connected with circular block (7) through slot block (25), the slot block (25) is provided with four, and the contact surface of four slot blocks (25) and circular block (7) is fixedly connected, four slot blocks (25) are distributed in annular equidistant relative to the center of circular block (7).

4. The apparatus for detecting the fire resistance of a building material according to claim 3, wherein: The surface of gasket (21) is symmetrically inserted with two slide rods (27), the contact surface of slide rod (27) and screw cap (20) is fixedly connected.

5. The apparatus for detecting the fire resistance of a building material according to claim 3, wherein: The edge of slot block (25) close to circular ball (24) direction is round corner structure.