Portable building material flame retardant property testing equipment

Abstract

The utility model relates to the technical field of testing equipment, and discloses portable building material flame retardant property testing equipment which comprises a testing box, a carrying handle is installed on the upper surface of the testing box, and an adjusting assembly is arranged in the testing box. The adjusting assembly comprises a lifting frame, two limiting sleeves, a limiting spring, a sliding column, a limiting toothed plate, an adjusting handle, a connecting base and two fixed toothed plates. The two limiting sleeves are symmetrically and fixedly connected to the two sides of the lifting frame. The height position of the lifting frame can be increased or decreased by pressing the adjusting handles located on the two sides of the test box, compared with the prior art, the height position of the building material can be adjusted outside the test box through cooperation of the adjusting handles, the limiting toothed plate, the fixed toothed plate and other structures, the operation difficulty is lowered, and the test efficiency is improved. And the adjustment accuracy and efficiency are not influenced by the limited operation space.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field, concretely is a portable building material flame retardant performance test equipment. BACKGROUND

[0002] The environmental protection type building material flame retardant test is to test the flame retardant performance of the environmental protection type building material before factory delivery, and the Bunsen burner is needed during the flame retardant test, the Bunsen burner is one of commonly used high-temperature heating tools in scientific laboratories, can safely burn gaseous fuel, and the flame temperature can reach 1500 DEG C at the highest, so the temperature is higher during the test process, therefore, the environmental protection type building material flame retardant test device is needed to implement the test, can insulate the flame, protect the experimental personnel, avoid the experimental personnel from contacting the fire source during the test process, lead to the situation of burn.

[0003] It is known that the environmental protection type building material flame retardant test device is disclosed in Chinese authorized utility model (announcement number: CN218180767U), the Bunsen burner is placed at the bottom of the test box, the lifting column slides and lifts to the specified height in the sliding slot of the sliding frame, the nut is screwed, the nut is tightly attached to one side outside the sliding slot, the roller is tightly attached to one side inside the sliding slot and fixes the lifting column, so as to fix the height of the baffle, so that the building material plate can be fixed at any height inside the test box, so that the distance between the Bunsen burner and the building material plate is variable.

[0004] The height position of the building material plate can be adjusted by the cooperation of the lifting column, the nut and the roller, different use requirements are met, however, the adjusting mechanism of the current equipment is arranged in the inside of the test box, although this layout guarantees the compactness and overall appearance of the equipment structure to a certain extent, but it brings inconvenience to actual operation, when adjusting the height, the operator needs to put his hand into the inside of the test box and operate the adjusting mechanism, which not only increases the operation difficulty, but also affects the accuracy and efficiency of the adjustment due to the limited operation space, therefore, a portable building material flame retardant performance test equipment is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a portable building material flame retardant performance test equipment to solve the problem that the operator needs to put his hand into the inside of the test box and operate the adjusting mechanism when adjusting the height, which not only increases the operation difficulty, but also affects the accuracy and efficiency of the adjustment due to the limited operation space.

[0006] To achieve the above object, the utility model provides following technical scheme: A portable building material flame retardant performance test equipment, including test box, the upper surface of test box is installed with carrying handle, the inside of test box is provided with adjusting assembly, adjusting assembly includes lifting frame, two limit sleeve, limit spring, sliding column, limit toothed plate, adjusting handle, connecting seat and two fixed toothed plate,

[0007] Two limit sleeve symmetry fixed connection in the both sides of lifting frame, sliding column is connected to the inner side wall of limit sleeve, one end of sliding column is fixedly connected with one side of limit toothed plate, connecting seat is fixedly connected with the other side of limit toothed plate, adjusting handle is fixedly connected with the side of connecting seat away from limit toothed plate, two fixed toothed plate symmetry fixed connection in the inner wall both sides of test box, limit spring is sleeved in the outer side wall of limit sleeve, two limit grooves are opened in the both sides of test box.

[0008] As preferred, the rear surface of the lifting frame is slidingly connected to the inner rear wall of the test box, and the connecting seat is slidingly connected to the inner side wall of the limit groove.

[0009] As preferred, one end of the limit spring abuts against the outer side wall of the lifting frame, and the other end of the limit spring abuts against one side of the limit toothed plate.

[0010] As preferred, the connecting seat is slidingly connected to the inside of the fixed toothed plate, and one side of the limit toothed plate away from the lifting frame is engagedly connected to one side of the fixed toothed plate.

[0011] As preferred, the adjusting handle is located outside the test box, and the inside of the lifting frame is provided with a support rod.

[0012] As preferred, the top of the test box is provided with a ventilation pipe.

[0013] As preferred, the inner bottom wall of the test box is provided with a limit seat, and the lower surface of the test box is symmetrically provided with four supporting legs.

[0014] As preferred, the front surface of the test box is provided with a box door.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] The utility model discloses a height position of building material can be adjusted outside test box through the cooperation of adjusting handle, limiting toothed plate, fixed toothed plate etc. structure, reduced the operation difficulty, will not affect the accuracy and efficiency of adjustment because of the operation space is limited. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the following will briefly introduce the drawings required to be used in the embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the present application, for ordinary skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the adjusting assembly installation position schematic diagram of the utility model;

[0020] Figure 3 It is the adjusting assembly structure schematic diagram of the utility model;

[0021] Figure 4 It is the limiting toothed plate structure schematic diagram of the utility model;

[0022] Figure 5 It is the test box structure schematic diagram of the utility model.

[0023] Mark explanation: 101, adjusting assembly;11, test box;12, carrying handle;13, lifting frame;14, limiting sleeve;15, limiting spring;16, sliding column;17, limiting toothed plate;18, adjusting handle;19, connecting seat;20, support rod;21, limiting groove;22, fixed toothed plate;31, ventilation pipe;32, limiting seat;33, support foot;34, box door. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the scope of the present application.

[0025] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to understand and read the disclosed content by those skilled in the art, and are not used to limit the implementation conditions of the present application, and therefore do not have substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0026] Embodiment

[0027] In the prior art, when height adjustment is performed, the operator needs to reach into the test box to operate the adjustment mechanism, which not only increases the difficulty of operation, but also affects the accuracy and efficiency of adjustment due to limited operation space.

[0028] Please refer to Figures 1-5 The present application provides a technical solution: a portable building material flame retardant performance test equipment, which comprises a test box 11, and a carrying handle 12 is installed on the upper surface of the test box 11. The carrying handle 12 facilitates carrying the test equipment as a whole, thereby enhancing the portability of the equipment.

[0029] The test box 11 is internally provided with an adjustment assembly 101, which comprises a lifting frame 13, two limiting sleeve pipes 14, a limiting spring 15, a sliding column 16, a limiting toothed plate 17, an adjustment handle 18, a connecting seat 19 and two fixed toothed plates 22.

[0030] The two limiting sleeve pipes 14 are symmetrically and fixedly connected to the two sides of the lifting frame 13, the sliding column 16 is slidingly connected to the inner side wall of the limiting sleeve pipe 14, one end of the sliding column 16 is fixedly connected to one side of the limiting toothed plate 17, the connecting seat 19 is fixedly connected to the other side of the limiting toothed plate 17, and the adjustment handle 18 is fixedly connected to the side of the connecting seat 19 away from the limiting toothed plate 17. When the adjustment handle 18 is pushed, the adjustment handle 18 drives the limiting toothed plate 17 through the connecting seat 19, the limiting toothed plate 17 drives the sliding column 16, and the sliding column 16 slides in the limiting sleeve pipe 14.

[0031] The limiting spring 15 is sleeved on the outer side wall of the limiting sleeve 14, one end of the limiting spring 15 abuts against the outer side wall of the lifting frame 13, the other end of the limiting spring 15 abuts against one side of the limiting toothed plate 17, under the pushing of the limiting spring 15, the limiting toothed plate 17 bears the force away from the center direction of the test box 11, the two fixed toothed plates 22 are symmetrically fixedly connected to the inner walls of the test box 11 on both sides, the side of the limiting toothed plate 17 away from the lifting frame 13 is engagedly connected to one side of the fixed toothed plate 22, under the pushing of the limiting spring 15, the limiting toothed plate 17 can be kept in engagement with the fixed toothed plate 22, and since the position of the fixed toothed plate 22 is fixed, the position of the limiting toothed plate 17 can be limited through the fixed toothed plate 22, and the position of the lifting frame 13 is fixed.

[0032] In the embodiment, specifically, two limiting grooves 21 are symmetrically formed on the two sides of the test box 11, the rear surface of the lifting frame 13 is slidingly connected to the inner rear wall of the test box 11, so that the lifting frame 13 can vertically lift in the test box 11, and the connecting seat 19 is slidingly connected to the inner side wall of the limiting groove 21, and the position of the connecting seat 19 can be limited through the limiting groove 21, so that the connecting seat 19 can vertically lift.

[0033] In the embodiment, specifically, the connecting seat 19 is slidingly connected to the inside of the fixed toothed plate 22, and the inside of the fixed toothed plate 22 is provided with a through groove, and the connecting seat 19 slides in the through groove.

[0034] In the embodiment, specifically, the adjusting handle 18 is located outside the test box 11, and the supporting rod 20 is installed in the inside of the lifting frame 13, the height position of the lifting frame 13 can be adjusted through the adjusting handle 18, and the building material plate to be tested can be supported through the supporting rod 20.

[0035] In the embodiment, specifically, the ventilation pipe 31 is installed on the top of the test box 11, and the external oxygen can enter the inside of the test box 11 through the ventilation pipe 31, so as to ensure the normal combustion of the Bunsen burner.

[0036] In the embodiment, specifically, the limiting seat 32 is installed on the inner bottom wall of the test box 11, and the four supporting legs 33 are symmetrically installed on the lower surface of the test box 11, and the limiting seat 32 is used for limiting the position of the Bunsen burner.

[0037] In the embodiment, specifically, the box door 34 is installed on the front surface of the test box 11, and the observation window is arranged on the box door 34, and is used for observing the test state of the building material plate.

[0038] The working principle or structural principle is that, in use, the Bunsen burner is placed in the limiting seat 32 inside the test box 11, the building material plate to be detected is placed on the supporting rod 20, then the adjusting handle 18 on the two sides of the test box 11 is pressed, the adjusting handle 18 pushes the limiting toothed plate 17 through the connecting seat 19, so that the limiting toothed plate 17 is disengaged from the fixed toothed plate 22, at this time, by pulling the adjusting handle 18 upwards or downwards, the height position of the lifting frame 13 can be adjusted, so that the distance between the Bunsen burner and the building material plate is changed, so that the flame retardant testing device can adjust the distance between the flame and the building material plate according to different flame retardant grades of different building material plates, when the height position is adjusted, the adjusting handle 18 is released, the limiting toothed plate 17 is engaged with the fixed toothed plate 22 under the pushing of the limiting spring 15, the position of the lifting frame 13 is fixed, at this time, the Bunsen burner can be ignited, then the box door 34 is closed, and the flame retardant performance test of the building material plate can be performed;

[0039] In conclusion, compared with the prior art, the height position of the building material can be adjusted outside the test box 11 through the cooperation of the adjusting handle 18, the limiting toothed plate 17 and the fixed toothed plate 22, the operation difficulty is reduced, and the accuracy and efficiency of the adjustment are not affected due to the limited operation space.

[0040] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combinations or combinations are not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A portable apparatus for testing the fire resistance of building materials comprising a test chamber (11) characterised in that: The upper surface of the test box (11) is provided with a carrying handle (12), and the inside of the test box (11) is provided with an adjusting assembly (101), which comprises a lifting frame (13), two limiting sleeves (14), a limiting spring (15), a sliding column (16), a limiting toothed plate (17), an adjusting handle (18), a connecting seat (19) and two fixed toothed plates (22). The two limiting sleeves (14) are fixedly connected to the two sides of the lifting frame (13), the sliding column (16) is slidably connected to the inner side wall of the limiting sleeve (14), one end of the sliding column (16) is fixedly connected to one side of the limiting toothed plate (17), the connecting seat (19) is fixedly connected to the other side of the limiting toothed plate (17), the adjusting handle (18) is fixedly connected to the side of the connecting seat (19) away from the limiting toothed plate (17), and the two fixed toothed plates (22) are symmetrically fixedly connected to the inner walls of the test box (11). The limiting spring (15) is sleeved on the outer side wall of the limiting sleeve (14), and two limiting grooves (21) are symmetrically formed in the two sides of the test box (11).

2. The portable apparatus for testing the fire resistance of building materials according to claim 1, characterized in that: The rear surface of the lifting frame (13) is slidably connected to the inner rear wall of the test box (11), and the connecting seat (19) is slidably connected to the inner side wall of the limiting groove (21).

3. The portable apparatus for testing the fire resistance of building materials according to claim 1, wherein: One end of the limiting spring (15) abuts against the outer side wall of the lifting frame (13), and the other end of the limiting spring (15) abuts against one side of the limiting toothed plate (17).

4. The portable apparatus for testing the fire resistance of building materials according to claim 1, wherein: The connecting seat (19) is slidably connected to the inside of the fixed toothed plate (22), and the side of the limiting toothed plate (17) away from the lifting frame (13) is engagedly connected to one side of the fixed toothed plate (22).

5. The portable apparatus for testing the fire resistance of a building material according to claim 4, wherein: The adjusting handle (18) is located outside the test box (11), and the inside of the lifting frame (13) is provided with a supporting rod (20).

6. The portable apparatus for testing the fire resistance of a building material according to claim 5, wherein: The top of the test box (11) is provided with a ventilation pipe (31).

7. The portable apparatus for testing the fire resistance of a building material according to claim 6, wherein: The inner bottom wall of the test box (11) is provided with a limiting seat (32), and the lower surface of the test box (11) is symmetrically provided with four supporting legs (33).

8. The portable apparatus for testing the fire resistance of a building material according to claim 7, wherein: The front surface of the test box (11) is provided with a box door (34).

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