Smoke exhaust fan detection device for electrical fire protection

Abstract

The utility model discloses a smoke exhaust fan detection device for electrical fire protection, and relates to the technical field of smoke exhaust fan detection devices, the smoke exhaust fan detection device comprises a test box used for testing high temperature resistance, and an adjusting assembly comprises a step block, a square strip, a trapezoid block and a spring. According to the utility model, through the arrangement of the adjusting assembly, when the high temperature resistance of the smoke exhaust fan is tested, only one stepped block needs to be taken out firstly, then the smoke exhaust fan is placed in the test box, the trapezoidal block is extruded by the outer wall of the smoke exhaust fan, the trapezoidal block drives the square strip to slide, and the square strip extrudes the spring when sliding, so that the smoke exhaust fan can be tested. When the smoke exhaust fan is attached to the inner wall of the step block, the spring is released to push the square strip to slide reversely, the trapezoid block clamps the smoke exhaust fan, then the other step block supports the smoke exhaust fan, and through cooperation of the parts, smoke exhaust fans of different sizes can be installed in the test box for high-temperature resistance testing.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust fan detection devices, in particular to a smoke exhaust fan detection device for electrical fire fighting. Background Art

[0002] Smoke exhaust fans are used to discharge smoke and other gases outdoors to protect people's lives and property. In modern construction projects, smoke exhaust fans play a very important role. They need to meet the requirements of sufficient safety and reliability during use, and at the same time, they need to have the ability to resist fire and high temperatures. They need to be fire-fighting equipment that can work continuously for 20 hours at 100°C without failure or damage.

[0003] After the smoke exhaust fan is produced, it is necessary to test the high temperature resistance of the fan so that the high temperature resistance of the fan can meet the requirements of fire-fighting equipment. When testing the smoke exhaust fan, the common high temperature detection device usually fixes the smoke exhaust fan inside the test box first, and then places the smoke exhaust fan inside the test box, and then allows the high temperature smoke to enter from the air inlet of the test box, and passes through the inside of the fan to test the high temperature resistance of the fan. However, the traditional test box cannot test smoke exhaust fans of different specifications, and special test boxes of different sizes need to be set up, which wastes resources and is inconvenient to use. Utility Model Content

[0004] The utility model aims to provide a smoke exhaust fan detection device for electrical fire fighting in order to solve the problem that the test box is not suitable for smoke exhaust fans of different sizes, which causes waste of resources and inconvenience in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke exhaust fan detection device for electrical fire fighting, comprising a test box for testing high temperature resistance, an inner wall of the test box is provided with an adjustment component, and the adjustment component comprises a step block, a square bar, a trapezoidal block, and a spring;

[0006] There are two step blocks, and the two step blocks are linearly arranged on the inner wall of the test box. One step block is fixedly connected to one end of the inner wall of the test box, and the other step block is slidably connected to the other end of the inner wall of the test box. There are multiple square bars, and multiple square bars are linearly arranged inside a step block and slidably connected to the step block. There are multiple trapezoidal blocks, and multiple trapezoidal blocks are linearly arranged on the inner wall of the step block, and one end extends to the inside of the step block and is fixedly connected to one side of the outer wall of the square bar. The spring is linearly arranged with the trapezoidal block, and one end of the spring is fixedly connected to the other side of the outer wall of the square bar.

[0007] As a further solution of the utility model: the adjustment component further includes a square hole;

[0008] There are multiple square holes, which are arranged linearly on the outer wall of a step block. The square holes completely penetrate both sides of the outer wall of the step block, and the square bars are slidably connected to the inner walls of the square holes.

[0009] As a further solution of the utility model: the adjustment component further includes a square slot;

[0010] There are multiple square grooves, which are linearly arranged on the inner wall of a step block, on the upper and lower sides, one end of the inner wall of the square groove extends to the inside of the step block and passes through the square hole, the spring is arranged inside the square groove, and one end of the spring is fixedly connected to the inner wall of one end of the square groove.

[0011] As a further solution of the utility model: the adjustment component further includes an elliptical piece;

[0012] There are two elliptical plates, which are symmetrically arranged and fixedly connected to the two ends of the outer wall of the square bar, and slidably connected to the outer wall of the step block. The height of the outer wall of the elliptical plate is greater than the height of the inner wall of the square hole.

[0013] As a further solution of the utility model: the step block extends in a step-like shape, two step blocks are symmetrically distributed, and the smoke exhaust fan is fixed by the step-like inner wall of the step block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By setting up the adjustment component, when testing the high temperature resistance of the smoke exhaust fan, you only need to take out a step block first, then put the smoke exhaust fan into the test box, and squeeze the trapezoidal block through the outer wall of the smoke exhaust fan, so that the trapezoidal block drives the square bar to slide, and the square bar will squeeze the spring when it slides. When the smoke exhaust fan fits the inner wall of the step block, the spring is released to push the square bar to slide in the opposite direction, so that the trapezoidal block locks the smoke exhaust fan, and then the smoke exhaust fan is supported by another step block. Through the cooperation of the above parts, smoke exhaust fans of different sizes can be installed in the test box for high temperature resistance testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a side view schematic diagram of the test box of the utility model;

[0018] Figure 3 It is a schematic diagram of the vertical cross-section structure of the test box of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the step block of the utility model.

[0020] In the figure: 1, test box; 2, adjustment component; 201, step block; 202, square hole; 203, square groove; 204, square bar; 205, trapezoidal block; 206, spring; 207, elliptical piece. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 In the embodiment of the utility model, a smoke exhaust fan detection device for electrical fire fighting includes a test box 1 for testing high temperature resistance, an inner wall of the test box 1 is provided with an adjustment component 2, and the adjustment component 2 includes a step block 201, a square bar 204, a trapezoidal block 205, and a spring 206;

[0023] There are two step blocks 201, which are linearly arranged on the inner wall of the test box 1. One step block 201 is fixedly connected to one end of the inner wall of the test box 1, and the other step block 201 is slidably connected to the other end of the inner wall of the test box 1. There are multiple square bars 204, which are linearly arranged inside one step block 201 and slidably connected to the step block 201. There are multiple trapezoidal blocks 205, which are linearly arranged on the inner wall of the step block 201, and one end extends to the inside of the step block 201 and is fixedly connected to one side of the outer wall of the square bar 204. The spring 206 is linearly arranged with the trapezoidal block 205, and one end of the spring 206 is fixedly connected to the other side of the outer wall of the square bar 204.

[0024] In this embodiment: when testing the high temperature resistance of the smoke exhaust fan, it is only necessary to first take out a step block 201 on one side, and then put the smoke exhaust fan into the test box 1, and squeeze the trapezoidal block 205 through the outer wall of the smoke exhaust fan, so that the trapezoidal block 205 drives the square bar 204 to slide, and the square bar 204 will squeeze the spring 206 when sliding. When the smoke exhaust fan fits the inner wall of the step block 201, the spring 206 is released to push the square bar 204 to slide in the opposite direction, so that the trapezoidal block 205 locks the smoke exhaust fan, and then the smoke exhaust fan is supported by the inner walls of the two step blocks 201. Through the cooperation of the above parts, smoke exhaust fans of different sizes can be installed in the test box 1 for high temperature resistance testing, thereby solving the problem that the test box 1 is not suitable for smoke exhaust fans of different sizes, causing waste of resources and inconvenience in use.

[0025] Please refer to Figure 4 , the adjustment component 2 also includes a square hole 202;

[0026] There are multiple square holes 202 , which are linearly arranged on the outer wall of a step block 201 . The square holes 202 completely penetrate both sides of the outer wall of the step block 201 , and the square bars 204 are slidably connected to the inner walls of the square holes 202 .

[0027] In this embodiment: the square hole 202 is provided to provide a basis for the sliding connection between the square bar 204 and the step block 201, and to provide a basis for locking and unlocking the smoke exhaust fan by sliding the square bar 204 to drive the trapezoidal block 205 to slide.

[0028] Please refer to Figure 3 , Figure 4 , the adjustment component 2 also includes a square groove 203;

[0029] There are multiple square grooves 203, which are linearly arranged on the inner wall of a step block 201. On the upper and lower sides, one end of the inner wall of the square groove 203 extends to the inside of the step block 201 and passes through the square hole 202. The spring 206 is arranged inside the square groove 203, and one end of the spring 206 is fixedly connected to the inner wall of one end of the square groove 203.

[0030] In this embodiment, the square groove 203 is provided to provide a basis for installing the spring 206 , the sliding connection between the trapezoidal block 205 and the step block 201 , so that the automatic reset function of the trapezoidal block 205 is realized through the spring 206 .

[0031] Please refer to Figures 1 to 4 , the adjustment component 2 also includes an elliptical piece 207;

[0032] Two elliptical pieces 207 are provided, and the two elliptical pieces 207 are symmetrically arranged and fixedly connected to the two ends of the outer wall of the square bar 204 , and are slidably connected to the outer wall of the step block 201 . The height of the outer wall of the elliptical piece 207 is greater than the height of the inner wall of the square hole 202 .

[0033] In this embodiment: by setting the elliptical piece 207, the square bar 204 can be driven to slide up and down by the elliptical piece 207, thereby controlling the sliding of the trapezoidal block 205, so that when the smoke exhaust fan needs to be taken out, only the elliptical piece 207 needs to be sliding to complete the unlocking of the smoke exhaust fan.

[0034] Please refer to Figures 1 to 4 The step block 201 extends in a step shape, and the two step blocks 201 are symmetrically distributed. The smoke exhaust fan is fixed by the stepped inner wall of the step block 201.

[0035] In this embodiment: two step blocks 201 are provided to provide a support base for the smoke exhaust fan, and the stepped inner wall of the step block 201 allows smoke exhaust fans of different sizes to be fixed, thereby being suitable for smoke exhaust fans of different specifications, thereby solving the problem that the test box 1 is not suitable for smoke exhaust fans of different sizes, causing waste of resources and inconvenience in use.

[0036] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A smoke exhaust fan detection device for electrical fire fighting, comprising a test box (1) for testing high temperature resistance, characterized in that: An adjustment component (2) is arranged on the inner wall of the test box (1), and the adjustment component (2) comprises a stepped block (201), a square bar (204), a trapezoidal block (205), and a spring (206); Two step blocks (201) are provided, and the two step blocks (201) are arranged linearly on the inner wall of the test box (1); one step block (201) is fixedly connected to one end of the inner wall of the test box (1), and the other step block (201) is slidably connected to the other end of the inner wall of the test box (1); a plurality of square bars (204) are provided, and the plurality of square bars (204) are arranged linearly inside one step block (201) and are slidably connected to the step block (201); a plurality of trapezoidal blocks (205) are provided, and the plurality of trapezoidal blocks (205) are arranged linearly on the inner wall of the step block (201), and one end of the trapezoidal blocks (205) extends to the inside of the step block (201) and is fixedly connected to one side of the outer wall of the square bar (204); the spring (206) is arranged linearly with the trapezoidal block (205), and one end of the spring (206) is fixedly connected to the other side of the outer wall of the square bar (204).

2. A smoke exhaust fan detection device for electrical fire fighting according to claim 1, characterized in that: The adjustment component (2) further comprises a square hole (202); A plurality of the square holes (202) are provided, and the plurality of the square holes (202) are arranged linearly on the outer wall of a step block (201), the square holes (202) completely penetrate both sides of the outer wall of the step block (201), and the square bars (204) are slidably connected to the inner walls of the square holes (202).

3. A smoke exhaust fan detection device for electrical fire fighting according to claim 2, characterized in that: The adjustment component (2) further comprises a square groove (203); A plurality of the square grooves (203) are provided, and the plurality of the square grooves (203) are arranged linearly on the inner wall of a step block (201), on the upper and lower sides, and one end of the inner wall of the square groove (203) extends into the interior of the step block (201) and passes through the square hole (202). The spring (206) is provided inside the square groove (203), and one end of the spring (206) is fixedly connected to the inner wall of one end of the square groove (203).

4. The detection device for an electrical fire-fighting smoke exhaust fan according to claim 2, characterized in that: The adjustment component (2) further comprises an elliptical piece (207); Two elliptical plates (207) are provided, and the two elliptical plates (207) are symmetrically arranged and fixedly connected to the two ends of the outer wall of the square bar (204), and are slidably connected to the outer wall of the step block (201), and the height of the outer wall of the elliptical plate (207) is greater than the height of the inner wall of the square hole (202).

5. The detection device for an electrical fire-fighting smoke exhaust fan according to claim 1, characterized in that: The step block (201) extends in a step-like shape, and the two step blocks (201) are symmetrically distributed, and the smoke exhaust fan is fixed via the step-like inner wall of the step block (201).

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