Fire-fighting smoke exhaust ventilator

Abstract

The utility model provides a fire-fighting smoke exhaust ventilator, and relates to the technical field of ventilators, the fire-fighting smoke exhaust ventilator comprises a base, the top of the base is fixedly connected with a supporting ring, the inner wall of the supporting ring is fixedly connected with a supporting frame, one side of the supporting frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating blade, and the rotating blade is fixedly connected with a fan. A limiting device is arranged on one side of the supporting ring, a supporting device is arranged on one side of the limiting device, when the limiting device is used, the base is placed on a windowsill, the motor faces the interior of a room, then a roller is manually controlled to rotate on the surface of a rotating rod, and then a fixing rod penetrates through a U-shaped plate and then is inserted into a small hole; and then a connecting cylinder is manually controlled to rotate on the surface of a first threaded rod, so that the connecting cylinder is far away from the first threaded rod, a rubber round block is extruded on one side of the inner wall of the window, and the ventilator can be well fixed in the window.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilators, in particular to a fire-fighting smoke exhaust ventilator. Background Art

[0002] A smoke exhaust fan is a device used in firefighting to exhaust indoor smoke to the outside. When using the fan, place the base on the windowsill so that the motor faces the room, start the motor, and the motor drives the rotating blades to rotate, thereby blowing the indoor smoke to the outside.

[0003] The inventors found in their daily work that the ventilator still has at least the following problems: when using the ventilator, the ventilator is placed directly on the windowsill, but in actual use, because the ventilator will generate certain vibrations when working, it may cause the ventilator to fall from the windowsill, which affects the smoke exhaust to a certain extent. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fire smoke exhaust fan.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fire smoke exhaust fan comprises a base, the top of the base is fixedly connected with a supporting ring, the inner wall of the supporting ring is fixedly connected with a supporting frame, one side of the supporting frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating blade, a limiting device is provided on one side of the supporting ring, a supporting device is provided on one side of the limiting device, the limiting device comprises a U-shaped plate, the U-shaped plate and one side of the supporting ring are fixedly connected, the inner wall of the U-shaped plate is fixedly connected with a rotating rod, the surface of the rotating rod is rotatably sleeved with a roller, one side of the roller is fixedly connected with a first threaded rod, the surface of the first threaded rod is threadedly sleeved with a connecting tube, one end of the connecting tube is fixedly connected with a circular plate, one side of the circular plate is fixedly connected with a rubber round block, a fixing rod is slidably inserted through one side of the U-shaped plate, a small hole is opened on one side of the roller, and the inner wall of the small hole is slidably connected to the fixing rod.

[0006] The effect achieved by the above components is: when using the limit device, the base is placed on the windowsill so that the motor faces the room, and then the roller is manually controlled to rotate on the surface of the rotating rod, so that the fixing rod passes through the U-shaped plate and is inserted into the inside of the small hole, and then the roller is fixed on the surface of the rotating rod, and then the connecting tube is manually controlled to rotate on the surface of the first threaded rod, so that the connecting tube is away from the first threaded rod, and then the rubber block is squeezed on one side of the inner wall of the window, so that the ventilator can be well fixed inside the window.

[0007] Preferably, a first spring is sleeved on the surface of the fixing rod, one end of the first spring is fixedly connected to one end of the fixing rod, and one end of the first spring close to the fixing rod is fixedly connected to one side of the U-shaped plate.

[0008] The effect achieved by the above components is: the fixing rod is pulled toward the side close to the U-shaped plate by the first spring, thereby restricting the fixing rod inside the small hole.

[0009] Preferably, a locking groove is provided on the top of the base, and a rubber plate is fixedly connected to the inner wall of the locking groove.

[0010] The effect achieved by the above components is: when the limiting device is not used, the connecting tube is slid into the inside of the positioning groove, so that the connecting tube is arranged on the side of the rubber plate close to the positioning groove, so that the connecting tube can be fixed inside the positioning groove by the rubber plate.

[0011] Preferably, the bottom of the base is fixedly connected to a limiting groove, the inner wall of the limiting groove is slidably connected to an extrusion plate, one side of the inner wall of the limiting groove is fixedly connected to a second spring, and one end of the second spring close to the limiting groove is fixedly connected to one side of the extrusion plate.

[0012] The effect achieved by the above components is: when the base is placed on the windowsill, the extrusion plate is controlled to be squeezed on one side of the windowsill, and then the extrusion plate is squeezed toward the limit groove through the second spring, thereby well limiting the extrusion plate on both sides of the windowsill, so that the base can be well limited on the windowsill.

[0013] Preferably, the supporting device includes a second threaded rod, a sliding groove is provided at the bottom of the base, the second threaded rod is rotatably inserted in the inner wall of the sliding groove, the inner wall of the sliding groove is slidably connected with a sliding block, the second threaded rod is threadedly inserted into one side of the sliding block, the bottom of the sliding block is fixedly connected with a first semicircular ring, a second semicircular ring is provided on one side of the first semicircular ring, and the first semicircular ring and the second semicircular ring are both sleeved on the surface of the connecting tube.

[0014] The effect achieved by the above components is: when using the supporting device, the connecting tube is made vertical to the ground, and the second threaded rod is manually controlled to rotate, so that the first semicircular ring is moved away from the base, and then the first semicircular ring and the second semicircular ring are arranged on the surface of the connecting tube, so that the circular plate is supported on the ground, so that the fan can be well supported on the ground.

[0015] Preferably, a fixing groove is provided on one side of the first semicircular ring, a fixing block is slidably connected to the inner wall of the fixing groove, the fixing block is fixedly connected to one side of the second semicircular ring, and a rubber block is fixedly connected to one side of the inner wall of the fixing groove.

[0016] The effect achieved by the above components is: the fixing block is slid into the fixing groove, so that the rubber block is squeezed on one side of the fixing block, and the fixing block is well restricted inside the fixing groove, so that the second semicircular ring and the first semicircular ring can be well connected together.

[0017] Preferably, one side of the circular plate is fixedly connected to a round rod, the top of the round rod is fixedly connected to a connecting strip, a connecting frame is slidingly sleeved on the surface of the connecting strip, and one side of the connecting strip is fixedly connected to a rubber strip.

[0018] The effect achieved by the above components is: manually controlling the round rod to rotate on one side of the circular plate, thereby making the connecting strip move away from the circular plate, and then manually controlling the connecting frame to slide out of the connecting strip. When the connecting frame completely slides out of the connecting strip, the rubber strip is squeezed inside the connecting frame, thereby restricting the connecting strip inside the connecting frame, thereby increasing the contact area between the circular plate and the ground to a certain extent, so that the ventilator can be well supported by the circular plate.

[0019] Preferably, a rubber ring is sleeved on the surface of the round rod, and the rubber ring is fixedly connected to one side of the round plate.

[0020] The effect achieved by the above components is that when the connecting strip is away from the circular plate, the rubber ring is pressed on the surface of the round rod, thereby restricting the round rod to the top of the circular plate.

[0021] In the utility model, a limiting device is provided. When the limiting device is used, the base is placed on the windowsill so that the motor faces the room, and then the roller is manually controlled to rotate on the surface of the rotating rod, so that the fixing rod passes through the U-shaped plate and is inserted into the inside of the small hole, so that the roller is fixed on the surface of the rotating rod, and then the connecting tube is manually controlled to rotate on the surface of the first threaded rod, so that the connecting tube is away from the first threaded rod, and then the rubber round block is squeezed on one side of the inner wall of the window, so that the ventilator can be well fixed inside the window. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional structural schematic diagram of a fire smoke exhaust fan is proposed for the utility model;

[0023] Figure 2 This is a three-dimensional structural schematic diagram of a new type of connecting tube proposed by the utility model;

[0024] Figure 3 A three-dimensional structural schematic diagram of a novel extruded plate proposed for the utility model;

[0025] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a novel connecting strip.

[0026] Legend: 1. Base; 2. Support ring; 3. Support frame; 4. Motor; 5. Rotating blade; 6. Limiting device; 601. U-shaped plate; 602. Rotating rod; 603. Roller; 604. First threaded rod; 605. Connecting tube; 606. Round plate; 607. Rubber round block; 608. Fixed rod; 609. First spring; 610. Small hole; 611. Positioning groove; 612. Rubber plate; 613. Limiting groove; 614. Second spring; 615. Extrusion plate; 7. Supporting device; 701. Sliding groove; 702. Second threaded rod; 703. Sliding block; 704. First semicircular ring; 705. Second semicircular ring; 706. Fixed groove; 707. Fixed block; 708. Rubber block; 709. Round rod; 710. Connecting strip; 711. Connecting frame; 712. Rubber ring; 713. Rubber strip. DETAILED DESCRIPTION

[0027] Embodiment 1, as Figure 1-4 As shown, a fire smoke exhaust fan is provided, wherein a support ring 2 is fixedly connected to the top of a base 1, a support frame 3 is fixedly connected to the inner wall of the support ring 2, a motor 4 is fixedly connected to one side of the support frame 3, a rotating blade 5 is fixedly connected to the output end of the motor 4, a limiting device 6 is provided on one side of the support ring 2, and a supporting device 7 is provided on one side of the limiting device 6. When the fan is used, the base 1 is placed on the windowsill so that the motor 4 faces the room, the motor 4 is started, and the rotating blade 5 is driven by the motor 4 to rotate, thereby effectively blowing the indoor smoke to the outside.

[0028] Reference Figure 2 and Figure 3The limiting device 6 includes a U-shaped plate 601, which is fixedly connected to one side of the support ring 2. A rotating rod 602 is fixedly connected to the inner wall of the U-shaped plate 601. A roller 603 is rotatably sleeved on the surface of the rotating rod 602. A first threaded rod 604 is fixedly connected to one side of the roller 603. A connecting tube 605 is threadedly sleeved on the surface of the first threaded rod 604. A circular plate 606 is fixedly connected to one end of the connecting tube 605. A rubber round block 607 is fixedly connected to one side of the circular plate 606. A fixing rod 608 is slidably inserted through one side of the U-shaped plate 601. A small hole 610 is opened on one side of the roller 603. The inner wall of the small hole 610 and the fixing rod 608 slide When the limiting device 6 is used, the base 1 is placed on the windowsill so that the motor 4 faces the room, and then the roller 603 is manually controlled to rotate on the surface of the rotating rod 602, so that the fixing rod 608 passes through the U-shaped plate 601 and is inserted into the inside of the small hole 610, and then the roller 603 is fixed on the surface of the rotating rod 602, and then the connecting tube 605 is manually controlled to rotate on the surface of the first threaded rod 604, so that the connecting tube 605 is away from the first threaded rod 604, and then the rubber round block 607 is squeezed on one side of the inner wall of the window, so that the ventilator can be well fixed inside the window, and the surface of the fixing rod 608 is sleeved with a first spring 609 , one end of the first spring 609 is fixedly connected to one end of the fixing rod 608, and the end of the first spring 609 close to the fixing rod 608 is fixedly connected to one side of the U-shaped plate 601, and the fixing rod 608 is pulled toward the side close to the U-shaped plate 601 by the first spring 609, so as to limit the fixing rod 608 inside the small hole 610, and a clamping groove 611 is provided on the top of the base 1, and a rubber plate 612 is fixedly connected to the inner wall of the clamping groove 611. When the limiting device 6 is not used, the connecting tube 605 is slid into the inside of the clamping groove 611, so that the connecting tube 605 is arranged on the side of the rubber plate 612 close to the clamping groove 611, so that the rubber plate 6 12 The connecting tube 605 is fixed inside the locking groove 611, the bottom of the base 1 is fixedly connected to the limiting groove 613, the inner wall of the limiting groove 613 is slidably connected with the extrusion plate 615, one side of the inner wall of the limiting groove 613 is fixedly connected with the second spring 614, one end of the second spring 614 close to the limiting groove 613 is fixedly connected to one side of the extrusion plate 615, when the base 1 is placed on the windowsill, the extrusion plate 615 is controlled to be squeezed on one side of the windowsill, and then the extrusion plate 615 is squeezed in the direction close to the limiting groove 613 by the second spring 614, so that the extrusion plate 615 is well limited on both sides of the windowsill, so that the base 1 can be well limited on the windowsill.

[0029] Reference Figure 4The supporting device 7 includes a second threaded rod 702, a sliding groove 701 is provided at the bottom of the base 1, the second threaded rod 702 is rotatably inserted into the inner wall of the sliding groove 701, and the inner wall of the sliding groove 701 is slidably connected with a sliding block 703, the second threaded rod 702 is threadedly inserted into one side of the sliding block 703, and the bottom of the sliding block 703 is fixedly connected with a first semicircular ring 704, and a second semicircular ring 705 is provided on one side of the first semicircular ring 704. The first semicircular ring 704 and the second semicircular ring 705 are both sleeved on the surface of the connecting tube 605. When the supporting device 7 is used, the connecting tube 605 is vertically aligned with the ground, and the manual control The second threaded rod 702 rotates, so that the first semicircular ring 704 is away from the base 1, and then the first semicircular ring 704 and the second semicircular ring 705 are set on the surface of the connecting tube 605, so that the circular plate 606 is supported on the ground. In this way, the ventilator can be well supported on the ground. A fixing groove 706 is opened on one side of the first semicircular ring 704, and a fixing block 707 is slidably connected to the inner wall of the fixing groove 706. The fixing block 707 is fixedly connected to one side of the second semicircular ring 705, and a rubber block 708 is fixedly connected to one side of the inner wall of the fixing groove 706. The fixing block 707 is slid into the inside of the fixing groove 706, so that the rubber block 708 is fixedly connected to the inner wall of the fixing groove 706. The rubber block 708 is squeezed on one side of the fixed block 707, thereby well limiting the fixed block 707 inside the fixed groove 706, so that the second semicircular ring 705 and the first semicircular ring 704 can be well connected together, a round rod 709 is fixedly connected to one side of the circular plate 606, a connecting strip 710 is fixedly connected to the top of the round rod 709, a connecting frame 711 is slidably sleeved on the surface of the connecting strip 710, and a rubber strip 713 is fixedly connected to one side of the connecting strip 710, the round rod 709 is manually controlled to rotate on one side of the circular plate 606, thereby making the connecting strip 710 away from the circular plate 606, and then the connecting frame 711 is manually controlled to slide out Connecting strip 710, when the connecting frame 711 completely slides out of the connecting strip 710, the rubber strip 713 is squeezed on the inside of the connecting frame 711, thereby limiting the connecting strip 710 inside the connecting frame 711, thereby increasing the contact area between the circular plate 606 and the ground to a certain extent, so that the ventilator can be well supported by the circular plate 606. The surface of the round rod 709 is provided with a rubber ring 712, and the rubber ring 712 is fixedly connected to one side of the circular plate 606. When the connecting strip 710 is away from the circular plate 606, the rubber ring 712 is squeezed on the surface of the round rod 709, thereby limiting the round rod 709 to the top of the circular plate 606.

[0030] Working principle, when using the ventilator, place the base 1 on the windowsill so that the motor 4 faces the room, start the motor 4, and drive the rotating blade 5 to rotate through the motor 4, so as to blow the indoor smoke to the outside well. When using the limiting device 6, place the base 1 on the windowsill. When the base 1 is placed on the windowsill, control the squeezing plate 615 to be squeezed on one side of the windowsill, and then squeeze the squeezing plate 615 in the direction close to the limiting groove 613 through the second spring 614, so as to well limit the squeezing plate 615 on both sides of the windowsill. In this way, the base 1 can be well limited on the windowsill, so that the motor 4 faces the room, and then the roller 603 is manually controlled to rotate on the rotating rod The surface of the rotating rod 602 is rotated, so that the fixing rod 608 passes through the U-shaped plate 601 and is inserted into the small hole 610. The fixing rod 608 is pulled toward the side close to the U-shaped plate 601 by the first spring 609, so that the fixing rod 608 is restricted inside the small hole 610, and the roller 603 is fixed on the surface of the rotating rod 602. Then, the connecting tube 605 is manually controlled to rotate on the surface of the first threaded rod 604, so that the connecting tube 605 is away from the first threaded rod 604, so that the rubber round block 607 is squeezed on one side of the inner wall of the window. In this way, the ventilator can be well fixed inside the window. When the limiting device 6 is not used, the connecting tube 605 is manually controlled to rotate on the surface of the first threaded rod 604. 05 is slid into the interior of the positioning groove 611, so that the connecting tube 605 is set on the side of the rubber plate 612 close to the positioning groove 611. When using the supporting device 7, the connecting tube 605 is vertical to the ground, and the second threaded rod 702 is manually controlled to rotate, so that the first semicircular ring 704 is away from the base 1, and then the first semicircular ring 704 and the second semicircular ring 705 are set on the surface of the connecting tube 605, and the fixing block 707 is slid into the interior of the fixing groove 706, so that the rubber block 708 is squeezed on one side of the fixing block 707, so that the fixing block 707 is well restricted in the interior of the fixing groove 706, so that the second semicircular ring 704 can be well fixed. 5 is connected with the first semicircular ring 704, so that the circular plate 606 is supported on the ground, the round rod 709 is manually controlled to rotate on one side of the circular plate 606, so that the connecting strip 710 is away from the circular plate 606, and then the connecting frame 711 is manually controlled to slide out of the connecting strip 710. When the connecting frame 711 completely slides out of the connecting strip 710, the rubber strip 713 is squeezed inside the connecting frame 711, so that the connecting strip 710 is restricted inside the connecting frame 711, and the contact area between the circular plate 606 and the ground is increased to a certain extent, so that the ventilator can be well supported by the circular plate 606, so that the ventilator can be well supported on the ground.

Claims

1. A fire smoke exhaust fan, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a support ring (2), the inner wall of the support ring (2) is fixedly connected to a support frame (3), one side of the support frame (3) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a rotating blade (5), one side of the support ring (2) is provided with a limiting device (6), one side of the limiting device (6) is provided with a supporting device (7), the limiting device (6) comprises a U-shaped plate (601), the U-shaped plate (601) is fixedly connected to one side of the support ring (2), the inner wall of the U-shaped plate (601) is fixedly connected to a rotating rod (602), the rotating blade (5) is fixedly connected to the inner wall of the U-shaped plate (601), and the rotating blade (5) is fixedly connected to the inner wall of the U-shaped plate (601). A roller (603) is rotatably sleeved on the surface of the movable rod (602), one side of the roller (603) is fixedly connected to a first threaded rod (604), a connecting tube (605) is threadedly sleeved on the surface of the first threaded rod (604), one end of the connecting tube (605) is fixedly connected to a circular plate (606), one side of the circular plate (606) is fixedly connected to a rubber round block (607), one side of the U-shaped plate (601) is slidably inserted with a fixed rod (608), one side of the roller (603) is provided with a small hole (610), and the inner wall of the small hole (610) is slidably connected to the fixed rod (608).

2. The fire smoke exhaust fan according to claim 1, characterized in that: A first spring (609) is sleeved on the surface of the fixing rod (608), one end of the first spring (609) is fixedly connected to one end of the fixing rod (608), and one end of the first spring (609) close to the fixing rod (608) is fixedly connected to one side of the U-shaped plate (601).

3. The fire smoke exhaust fan according to claim 1, characterized in that: A locking groove (611) is provided on the top of the base (1), and a rubber plate (612) is fixedly connected to the inner wall of the locking groove (611).

4. The fire smoke exhaust fan according to claim 1, characterized in that: The bottom of the base (1) is fixedly connected to a limiting groove (613), the inner wall of the limiting groove (613) is slidably connected to an extrusion plate (615), one side of the inner wall of the limiting groove (613) is fixedly connected to a second spring (614), and one end of the second spring (614) close to the limiting groove (613) is fixedly connected to one side of the extrusion plate (615).

5. The fire smoke exhaust fan according to claim 1, characterized in that: The supporting device (7) comprises a second threaded rod (702), a sliding groove (701) is provided at the bottom of the base (1), the second threaded rod (702) is rotatably inserted into the inner wall of the sliding groove (701), the inner wall of the sliding groove (701) is slidably connected with a sliding block (703), the second threaded rod (702) is threadedly inserted into one side of the sliding block (703), the bottom of the sliding block (703) is fixedly connected with a first semicircular ring (704), one side of the first semicircular ring (704) is provided with a second semicircular ring (705), and the first semicircular ring (704) and the second semicircular ring (705) are both sleeved on the surface of the connecting tube (605).

6. The fire smoke exhaust fan according to claim 5, characterized in that: A fixing groove (706) is provided on one side of the first semicircular ring (704), a fixing block (707) is slidably connected to the inner wall of the fixing groove (706), the fixing block (707) is fixedly connected to one side of the second semicircular ring (705), and a rubber block (708) is fixedly connected to one side of the inner wall of the fixing groove (706).

7. The fire smoke exhaust fan according to claim 1, characterized in that: A round rod (709) is fixedly connected to one side of the circular plate (606), a connecting strip (710) is fixedly connected to the top of the round rod (709), a connecting frame (711) is slidably sleeved on the surface of the connecting strip (710), and a rubber strip (713) is fixedly connected to one side of the connecting strip (710).

8. The fire smoke exhaust fan according to claim 7, characterized in that: A rubber ring (712) is sleeved on the surface of the round rod (709), and the rubber ring (712) is fixedly connected to one side of the circular plate (606).

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