Building material product monomer combustion test device

Abstract

The utility model relates to the technical field of detection equipment, in particular to a building material product monomer combustion test device which comprises a combustion chamber, a detection material and combustion equipment arranged in the combustion chamber, two groups of placing components for placing the detection material are arranged in the combustion chamber, and the combustion chamber is further provided with an opening communicated with the interior of the combustion chamber. The cross section of the opening is in an L shape, the opening is located at the included angle position between the two containing assemblies, the combustion chamber is hinged to a first chamber door and a second chamber door which correspond to the directions of the containing assemblies respectively, the opening is sealed when the first chamber door and the second chamber door are buckled and matched, and the first chamber door and the second chamber door are perpendicular to each other. The combustion chamber is provided with a first chamber door and a second chamber door, the first chamber door extends towards the direction of the second chamber door to form a clamping block, the second chamber door is provided with a clamping groove matched with the clamping block, and the combustion chamber further comprises a locking assembly for fixedly connecting the first chamber door and the second chamber door together. And sparks in the combustion chamber are prevented from escaping.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a single-piece burning test device for building materials products. Background Art

[0002] With the development of the building decoration industry, various new building decoration materials have been developed. However, before the new materials are put into mass production and used in building decoration, a series of tests need to be carried out on the new materials to determine whether they meet the usage standards of building decoration. Among a series of tests, for example, the burning test is to detect whether the fire prevention performance of the new materials meets the standards.

[0003] The equipment used in the burning test is a single-piece burning test device for building materials products. In the existing single-piece burning test device for building materials products, the test material is usually placed on a trolley, and then the trolley pushes the test material into the combustion chamber. The partition of the trolley directly serves as the door of the combustion chamber and cooperates with the outer wall of the combustion chamber to form a complete combustion chamber. However, there will be the following problems: it is difficult for the partition of the trolley to ensure sufficient sealing cooperation with the outer wall of the combustion chamber, and sparks will escape from the gap during combustion, posing a safety hazard. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies and shortcomings existing in the prior art, and provide a single-piece burning test device for building materials products. In the combustion chamber of the utility model, a first chamber door and a second chamber door with snap-fit connection are hinged, providing better sealing performance and preventing sparks in the combustion chamber from escaping.

[0005] The technical solution adopted by the utility model is as follows: a single-piece burning test device for building materials products, including a combustion chamber, a test material, and a combustion device arranged inside the combustion chamber. Two placement components for placing the test material are arranged inside the combustion chamber. The combustion chamber is also provided with an opening communicating with the inside of the combustion chamber. The cross-section of the opening is L-shaped and is located at the included angle position between the two placement components. The combustion chamber is hinged with a first chamber door and a second chamber door corresponding to the direction of one group of placement components respectively. When the first chamber door and the second chamber door are buckled and matched, the opening is sealed. The first chamber door and the second chamber door are perpendicular to each other. The first chamber door extends towards the second chamber door with a clamping block, and the second chamber door is provided with a clamping groove adapted to the clamping block. A locking component for fixedly connecting the first chamber door and the second chamber door together is also included.

[0006] A sealing and heat-insulating layer is arranged on one side of the clamping block close to the clamping groove.

[0007] The locking component includes a lock catch hinged on the clamping block and a lock seat fixed on the second chamber door. The lock seat is provided with a lock groove adapted to the lock catch, and an arc-shaped protrusion extends from the edge of the lock groove towards the inside of the lock groove.

[0008] The buckle includes a connecting piece and a locking piece. A cavity is formed inside the connecting piece, and the locking piece extends into the cavity. A first spring with one end abutted against the inner wall of the cavity and the other end abutted against the locking piece is further arranged in the cavity. The locking piece is slidably connected with the connecting piece through the first spring. A sphere with an inner diameter larger than the locking groove is arranged at one end of the locking piece close to the lock seat.

[0009] The two groups of the placing assemblies have the same structure. The placing assembly includes a fixed frame and a movable frame. The fixed frame and the movable frame clamp and fix the test material in the combustion chamber, and the movable frame is hinged to the inner wall of the combustion chamber.

[0010] A track groove is further arranged in the combustion chamber. The track groove is located between the movable frame and the inner wall of the combustion chamber and is fixedly connected to the inner wall of the combustion chamber at one end. The movable frame is connected with a slider slidably connected to the track groove. A second spring with one end abutted against the inner wall of the combustion chamber and the other end abutted against the slider is arranged in the track groove.

[0011] The track groove is curved, and the bending direction is the same as the rotation direction of the hinge of the movable frame. The slider and the second spring are both adapted to the track groove and are also curved.

[0012] A baffle for blocking the test material extends from the edge of the movable frame towards the fixed frame, and a handle is arranged on the baffle.

[0013] The beneficial effects of the present utility model are as follows: In the combustion chamber of the present utility model, a first chamber door and a second chamber door which are perpendicular to each other are hinged. The ends of the first chamber door and the second chamber door far from the hinge are clamped and connected through the cooperation of a clamping block and a clamping groove, providing better sealing performance to prevent the sparks in the combustion chamber from escaping. Moreover, the second chamber door is blocked by the first chamber door. Before opening the combustion chamber, it is necessary to open the first chamber door first and then open the second chamber door. In addition, a locking component is added to prevent the chamber door from being accidentally touched and opened. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, obtaining other drawings based on these drawings without creative efforts still belongs to the scope of the present utility model.

[0015] Figure 1 It is a schematic structural diagram of a single-piece combustion test device for building materials products of the present utility model;

[0016] Figure 2 It is Figure 1 a partial enlarged schematic diagram of part A in

[0017] Figure 3 Structural schematic diagram when the first chamber door and the second chamber door are opened;

[0018] Figure 4 Partial sectional view schematic diagram of the lock catch;

[0019] Figure 5 Partial structural schematic diagram when the placing component is opened;

[0020] Figure 6 Partial structural schematic diagram when the placing component is closed;

[0021] In the figure, 1 - combustion chamber, 2 - detection material, 3 - combustion equipment, 4 - opening, 5 - first chamber door, 6 - second chamber door, 7 - clamping block, 8 - clamping groove, 9 - sealing and heat insulation layer, 10 - lock catch, 11 - lock seat, 12 - lock groove, 13 - arc protrusion, 14 - connecting piece, 15 - locking piece, 16 - first spring, 17 - sphere, 18 - fixed frame, 19 - movable frame, 20 - track groove, 21 - slider, 22 - second spring, 23 - baffle, 24 - handle. Specific embodiments

[0022] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] It should be noted that all the expressions using "first" and "second" in the embodiments of the present utility model are used to distinguish two entities or parameters with the same name but different, so it can be seen that "first" and "second" are only for the convenience of expression and should not be construed as a limitation on the embodiments of the present utility model. This will not be elaborated one by one in the subsequent embodiments.

[0024] The direction and position terms mentioned in the present utility model, such as "up", "down", "front", "rear", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only the directions or positions with reference to the accompanying drawings. Therefore, the direction and position terms used are for explaining and understanding the present utility model, rather than limiting the protection scope of the present utility model.

[0025] Such as Figures 1 to 6As shown in the figure, this is an embodiment of the present utility model, a single-piece burning test device for building materials products, including a combustion chamber 1, a test material 2, and a combustion device 3 arranged inside the combustion chamber 1. Two placement components for placing the test material 2 are arranged inside the combustion chamber 1. The combustion chamber 1 is also provided with an opening 4 communicating with the inside of the combustion chamber 1. The cross-section of the opening 4 is L-shaped and is located at the included angle position between the two placement components. The combustion chamber 1 is hinged with a first chamber door 5 and a second chamber door 6 corresponding to the directions of one group of placement components respectively. When the first chamber door 5 and the second chamber door 6 are fastened and matched, the opening 4 is sealed. The first chamber door 5 and the second chamber door 6 are perpendicular to each other. The first chamber door 5 extends towards the second chamber door 6 with a clamping block 7, and the second chamber door 6 is provided with a clamping groove 8 adapted to the clamping block 7. It also includes a locking component for fixedly connecting the first chamber door 5 and the second chamber door 6 together.

[0026] The beneficial effects of such a setting are as follows. The combustion chamber of the present utility model is hinged with a first chamber door and a second chamber door that are perpendicular to each other. The ends of the first chamber door and the second chamber door far from the hinge are clamped and connected through the clamping block and the clamping groove, providing better sealing performance to prevent the sparks in the combustion chamber from escaping. And the second chamber door is blocked by the first chamber door. Before opening the combustion chamber, it is necessary to first open the first chamber door and then the second chamber door. A locking component is also added to prevent the chamber door from being accidentally touched and opened.

[0027] Furthermore, a sealing and heat-insulating layer 9 is provided on one side of the clamping block 7 close to the clamping groove 8.

[0028] The beneficial effects of such a setting are as follows. The sealing performance is further improved through the sealing and heat-insulating layer, and the heat loss of the combustion chamber can be prevented to prevent the locking component from being deformed by heat.

[0029] Furthermore, the locking component includes a lock catch 10 hinged to the clamping block 7 and a lock seat 11 fixed to the second chamber door 6. The lock seat 11 is provided with a lock groove 12 adapted to the lock catch 10, and an arc-shaped protrusion 13 extends from the edge of the lock groove 12 towards the inside of the lock groove 12.

[0030] The beneficial effects of such a setting are as follows. The locking component is the cooperation of the lock catch and the lock seat. The lock catch is hinged to the clamping block and can rotate freely. When it rotates into the lock groove of the lock seat, a locking fit is formed. The arc-shaped protrusion can prevent the lock catch from disengaging from the lock groove and ensure the locking effect.

[0031] Furthermore, the lock catch 10 includes a connecting piece 14 and a locking piece 15. A cavity is opened inside the connecting piece 14. The locking piece 15 extends into the cavity. A first spring 16 with one end abutted against the inner wall of the cavity and the other end abutted against the locking piece 15 is also arranged inside the cavity. The locking piece 15 is slidably connected to the connecting piece 14 through the first spring 16. A sphere 17 with an inner diameter larger than that of the lock groove 12 is arranged at one end of the locking piece 15 close to the lock seat 11.

[0032] The beneficial effects of such a setting are as follows. The buckle is a combination of a connecting piece and a locking piece. The connecting piece has a structure of a hinged clamping block, and the locking piece has a structure that is locked and matched with the lock seat. The locking piece extends into the cavity of the connecting piece. The locking piece forms a shrinking effect through the first spring in the cavity. Coupled with the sphere, the locking between the locking piece and the lock seat is more firm when they are locked and matched. The sphere forms a clamping connection with the end of the lock groove. Before unlocking, the sphere needs to be pulled away from the lock groove and then the locking piece is rotated to make the locking piece disengage from the lock groove.

[0033] Furthermore, it is set that the two groups of the placement components have the same structure. The placement component includes a fixed frame 18 and a movable frame 19. The fixed frame 18 and the movable frame 19 clamp and fix the test material 2 in the combustion chamber 1. The movable frame 19 is hinged to the inner wall of the combustion chamber 1.

[0034] The beneficial effects of such a setting are as follows. The fixed frame and the movable frame clamp the test material in the combustion chamber, and the movable frame can rotate, which is convenient for disassembly and installation and firm during clamping.

[0035] Furthermore, a track groove 20 is also provided in the combustion chamber 1. The track groove 20 is located between the movable frame 19 and the inner wall of the combustion chamber 1 and is fixedly connected to the inner wall of the combustion chamber 1 at one end. The movable frame 19 is connected with a slider 21 that is slidably connected to the track groove 20. A second spring 22 with one end abutted against the inner wall of the combustion chamber 1 and the other end abutted against the slider 21 is provided in the track groove 20.

[0036] The beneficial effects of such a setting are as follows. The slider of the movable frame is slidably matched with the track groove in the combustion chamber, and the second spring abutting against the slider is installed in the track groove. The second spring provides an elastic force for the movable frame towards the fixed frame direction, making the clamping of the test material by the movable frame and the fixed frame more firm.

[0037] Furthermore, the track groove 20 is bent, and the bending direction is the same as the rotation direction of the hinge of the movable frame 19. The slider 21 and the second spring 22 are also bent to be adapted to the track groove 20.

[0038] The beneficial effects of such a setting are as follows. The track groove, the slider and the second spring are all bent, which is adapted to the rotation path of the movable frame, more coordinated with the rotation of the movable frame, and the rotation of the movable frame is smoother.

[0039] Furthermore, a baffle 23 that blocks the test material 2 extends from the edge of the movable frame 19 towards the fixed frame 18. A handle 24 is provided on the baffle 23.

[0040] The beneficial effects of such a setting are as follows. The baffle can prevent the detection material from detaching from the side, further fixing the detection material. The handle facilitates the rotation of the movable frame, making it easier for the user to apply force.

[0041] The foregoing disclosure is only for the preferred embodiments of the present utility model, and of course cannot be used to limit the scope of rights of the present utility model. Therefore, equivalent changes made according to the claims of the present utility model still fall within the scope covered by the present utility model.

Claims

1. A single burning test device for building materials products, comprising a combustion chamber (1), a test material (2), and a combustion device (3) arranged inside the combustion chamber (1), characterized in that: There are two sets of placement components for placing the detection material (2) provided inside the combustion chamber (1). The combustion chamber (1) is also provided with an opening (4) communicating with the inside of the combustion chamber (1). The cross-section of the opening (4) is L-shaped and is located at the included angle position between the two sets of placement components. The combustion chamber (1) is hinged with a first chamber door (5) and a second chamber door (6) corresponding to the direction of one set of placement components respectively. When the first chamber door (5) and the second chamber door (6) are engaged and matched, the opening (4) is sealed. The first chamber door (5) and the second chamber door (6) are perpendicular to each other. The first chamber door (5) extends towards the second chamber door (6) with a latch block (7). The second chamber door (6) is provided with a card slot (8) adapted to the latch block (7). A locking component for fixedly connecting the first chamber door (5) and the second chamber door (6) together is also included.

2. The single burning item test device for building materials products according to claim 1, wherein: One side of the latch block (7) close to the card slot (8) is provided with a sealing and heat-insulating layer (9).

3. The single burning item test apparatus for building materials products according to claim 1, wherein: The locking component includes a lock catch (10) hinged on the latch block (7) and a lock seat (11) fixed on the second chamber door (6). The lock seat (11) is provided with a lock groove (12) adapted to the lock catch (10). An arc protrusion (13) extends from the edge of the lock groove (12) towards the inside of the lock groove (12).

4. The single burning item test device for building materials products according to claim 3, characterized in that: The lock catch (10) includes a connecting piece (14) and a locking piece (15). A cavity is formed inside the connecting piece (14). The locking piece (15) extends into the cavity. A first spring (16) with one end abutted against the inner wall of the cavity and the other end abutted against the locking piece (15) is further provided inside the cavity. The locking piece (15) is slidably connected to the connecting piece (14) through the first spring (16). One end of the locking piece (15) close to the lock seat (11) is provided with a sphere (17) with an inner diameter larger than that of the lock groove (12).

5. An apparatus for a single burning item test of a building material product according to claim 1, characterized in that: The two sets of placement components have the same structure. The placement component includes a fixed frame (18) and a movable frame (19). The fixed frame (18) and the movable frame (19) clamp and fix the detection material (2) inside the combustion chamber (1). The movable frame (19) is hinged to the inner wall of the combustion chamber (1).

6. The single burning item test device for building materials products according to claim 5, characterized in that: A track groove (20) is further provided inside the combustion chamber (1). The track groove (20) is located between the movable frame (19) and the inner wall of the combustion chamber (1) and is fixedly connected to the inner wall of the combustion chamber (1) at one end. The movable frame (19) is connected with a slider (21) slidably connected to the track groove (20). A second spring (22) with one end abutted against the inner wall of the combustion chamber (1) and the other end abutted against the slider (21) is provided inside the track groove (20).

7. An apparatus for a single burning item test of a building material product according to claim 6, characterized in that: The track groove (20) is curved, and the bending direction is the same as the rotation direction of the hinge of the movable frame (19). The slider (21) and the second spring (22) are also curved and adapted to the track groove (20).

8. An apparatus for single burning test of building material products according to claim 5, characterized in that: One edge of the movable frame (19) extends towards the fixed frame (18) with a baffle (23) for blocking the detection material (2). A handle (24) is provided on the baffle (23).

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