Roof ventilator and roof steel beam connecting structure

Abstract

The utility model relates to the technical field of roof structures, and discloses a roof ventilator and roof steel beam connecting structure which comprises a supporting frame, a cross beam is arranged in the supporting frame, a ventilation piece is fixedly connected to the side wall of the cross beam, an axial flow fan is fixedly connected to the bottom of the ventilation piece, a rain baffle is fixedly connected to the top of the ventilation piece, and telescopic rods are fixedly connected to the two ends of the axial flow fan. The displacement frame is arranged at the bottom of the axial flow fan, the displacement frame can be displaced to the bottom of the axial flow fan when the telescopic rod retracts, then the electric heating wire is powered on to heat air passing through the vicinity of the electric heating wire, hot air is fed into the ventilation piece when the rear axial flow fan runs, and the ventilation piece is powered off. At the moment, hot air flow can dry structures such as dust blocking nets in the axial flow fan and the ventilation piece, drying can be conducted when the interior of the ventilation piece is humid or rainwater enters the ventilation piece, the problem that the internal structure is humid and rusted is solved, and long-term stable use of the ventilator is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to roof structure technical field, concretely is a roof ventilator and roof steel beam connecting structure. BACKGROUND

[0002] Roof is the top structure of building, the main function is to protect the internal space from rain, wind, snow and other natural factors. The design of roof not only affects the appearance of building, but also has an important role in energy saving and ventilation effect. Common roof types include flat roof and pitched roof, materials can be tiles, metal or concrete, etc. The connecting structure of roof ventilator and roof steel beam adopts high-strength bolt connection method to fix the ventilator firmly on the steel beam to ensure its stability and safety under wind load and other external forces.

[0003] The existing roof ventilator and roof steel beam connecting structure usually uses bolts on the steel beam of the roof to install the ventilator, and the ventilator top is provided with a rain shield and a steel dust screen inside the ventilator for ventilation. When the ventilator is installed on the roof, although the rain shield can prevent rain, rainwater still enters the inside of the ventilator, which can cause the inside of the dust screen or axial flow fan assembly to be too wet and rusted, which is not conducive to the installation and use of the ventilator. Therefore, we propose a roof ventilator and roof steel beam connecting structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a roof ventilator and roof steel beam connecting structure to solve the problem of structure damage and rust caused by excessive moisture in the ventilator.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a roof ventilator and roof steel beam connecting structure, comprising a support frame, a crossbeam is arranged inside the support frame, a ventilation piece is fixedly connected to the side wall of the crossbeam, an axial flow fan is fixedly connected to the bottom of the ventilation piece, a rain shield is fixedly connected to the top of the ventilation piece, telescopic rods are fixedly connected to both ends of the axial flow fan, a connecting piece is arranged at the power output end of the telescopic rod, a displacement frame is fixedly connected to the bottom of the connecting piece, and a plurality of electric heating wires are arranged inside the displacement frame.

[0006] Preferably, the rain shield top is matched with a displacement plate arranged oppositely, and the displacement plate is provided with a frame outside.

[0007] Preferably, a limiting hole is formed in the top of the frame, and a locking knob is matched with the top of the limiting hole.

[0008] Preferably, a sliding piece is fixedly connected to the bottom of the frame, and a locking bolt is arranged on the side wall of the sliding piece.

[0009] Preferably, the top of the rain shield is fixed with a cross piece, and a plurality of support columns are arranged between the rain shield and the ventilation device.

[0010] Preferably, the displacement frame is matched with the bottom of the axial flow fan, and the axial flow fan is fixed to the side wall of the cross beam.

[0011] Preferably, the sliding piece is matched with the bottom of the rain shield, and the sliding piece is in the cuboid structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a displacement frame is arranged at the bottom of the axial flow fan, can make the displacement frame to shift to the bottom of the axial flow fan when the telescopic rod retracts, then the electric heating wire is electrified to make the air near the electric heating wire heat, and when the axial flow fan operates, hot air is sent to the inside of the ventilation device, at this time, the hot air flow can dry the dust screen and other structures in the axial flow fan and the ventilation device, can dry when the inside of the ventilation device is damp or rainwater enters, avoids the problem that the internal structure is damp and rusts, is favorable to the long -term stable use of the ventilation device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0015] Fig. 2 It is the ventilation device, axial flow fan and rain shield combination structure schematic diagram of the utility model;

[0016] Fig. 3 It is the displacement plate structure schematic diagram of the utility model.

[0017] In the drawing: 100, support frame;110, cross beam;120, ventilation device;121, axial flow fan;130, rain shield;140, displacement plate;141, frame;142, limiting hole;143, locking knob;144, sliding piece;145, locking bolt;150, telescopic rod;151, connecting piece;152, displacement frame;153, electric heating wire. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment

[0020] Please refer to Figs. 1-3 , a roof ventilator and roof steel beam connecting structure in the drawing, including support frame 100, support frame 100 inside tightly welded with crossbeam 110, support frame 100 whole body uses stainless steel pipe to be made, crossbeam 110 side wall is firmly connected with ventilation piece 120 through bolt, the air outlet between the top of ventilation piece 120 and rain baffle 130 is exposed to the top of roof covering material, ventilation piece 120 is stainless steel square cylinder, its inside is provided with steel dust screen, ventilation piece 120 bottom is firmly connected with axial flow fan 121 through bolt, axial flow fan 121 uses the model commonly seen on the market, can discharge or send the air in the house to outside, ventilation piece 120 top is firmly connected with rain baffle 130 through bolt, axial flow fan 121 both ends are firmly connected with telescopic rod 150 through bolt, telescopic rod 150 uses the electric push rod with external switch commonly seen on the market, the power output end of telescopic rod 150 is provided with connecting sheet 151, the bottom of connecting sheet 151 is firmly connected with displacement frame 152 through bolt, displacement frame 152 is provided with a plurality of electric heating wires 153 in the inside, electric heating wire 153 uses the model commonly seen on the market, electric heating wire 153 is mainly composed of nickel-chromium alloy wire, heat-resistant silicone rubber outer skin and thermocouple, when electric heating wire 153 is electrified, nickel-chromium alloy wire generates heat, and thermocouple is used to detect temperature.

[0021] Specifically, the top of the rain baffle 130 is matched with the oppositely arranged displacement plate 140, which is a common heat-resistant plastic plate that can shield and protect the rain baffle 130. The displacement plate 140 is provided with a frame 141 outside, which is made of stainless steel.

[0022] Further, the frame 141 is provided with a limiting hole 142 at the top, and a limiting block fixed to the top of the rain baffle 130 is slidably fitted in the limiting hole 142. The limiting hole 142 is matched with a locking knob 143 connected to the top of the rain baffle 130.

[0023] Still further, the frame 141 is firmly connected with a sliding sheet 144 at the bottom through a bolt, which is L-shaped and made of stainless steel. The sliding sheet 144 is provided with a locking bolt 145 on the side wall.

[0024] Further, the top of the rain shield 130 is bolted with a cross piece, and a plurality of support columns are arranged between the rain shield 130 and the ventilation piece 120.

[0025] It is worth mentioning that the displacement frame 152 is matched with the bottom of the axial flow fan 121, and the axial flow fan 121 is bolted to the side wall of the cross beam 110.

[0026] It is worth noting that the sliding piece 144 is matched with the bottom of the rain shield 130, and the sliding piece 144 is in the cuboid structure.

[0027] In addition, the above-mentioned electrical elements and electrical equipment use external power supply. The circuit, electronic components and modules involved in the utility model are prior art, and those skilled in the art can realize them without further description. The content protected by the utility model does not involve the improvement of internal structure and method;

[0028] Working principle: by arranging the displacement frame 152 at the bottom of the axial flow fan 121, the displacement frame 152 can be displaced to the bottom of the axial flow fan 121 when the telescopic rod 150 is retracted, then the electric heating wire 153 is electrified to heat the air near the electric heating wire 153, and then the hot air is sent into the inside of the ventilation piece 120 when the axial flow fan 121 operates, at this time, the hot air flow can dry the dust screen and other structures inside the axial flow fan 121 and the ventilation piece 120, and can dry when the inside of the ventilation piece 120 is wet or rainwater enters, so as to avoid the problem of rust caused by the dampness of the internal structure, and is beneficial to the long-term stable use of the ventilation device. When the ventilation piece 120 is used, the locking knob 143 and the locking bolt 145 can be loosened, so that the two displacement plates 140 are pulled to the top of the rain shield 130 on both sides, at this time, the frame 141 is matched with the limiting hole 142 and the sliding piece 144 to slide on the top of the rain shield 130, so as to expand the rainproof area of the top of the ventilation piece 120, reduce the rainwater entering the inside of the ventilation device, and the displacement plate 140 can be quickly disassembled when the locking knob 143 and the locking bolt 145 are locked, and the displacement plate 140 can be replaced when it is damaged by long-term sun exposure.

[0029] It should be noted that, in the present document, the terms“first”,“second”, and the like, merely denote difference instead of implying any actual relationship or order between entities or operations. Also, the terms“include”,“comprise”, or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that include a list of elements not only include those elements but also include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses.

[0030] 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 roof ventilator and roof steel beam connecting structure comprising a support frame (100), characterized in that: The support frame (100) is internally provided with a crossbeam (110), the side wall of the crossbeam (110) is fixedly connected with a ventilation piece (120), the bottom of the ventilation piece (120) is fixedly connected with an axial flow fan (121), the top of the ventilation piece (120) is fixedly connected with a rain baffle (130), both ends of the axial flow fan (121) are fixedly connected with telescopic rods (150), the power output end of the telescopic rod (150) is provided with a connecting sheet (151), the bottom of the connecting sheet (151) is fixedly connected with a displacement frame (152), the inside of the displacement frame (152) is provided with a plurality of electric heating wires (153).

2. The roof ventilator and roof steel beam connecting structure according to claim 1, characterized in that: The top of the rain baffle (130) is matched with oppositely arranged displacement plates (140), and the outside of the displacement plate (140) is provided with a frame (141).

3. The roof ventilator and roof steel beam connecting structure according to claim 2, characterized in that: The top of the frame (141) is provided with a limiting hole (142), and the top of the limiting hole (142) is matched with a locking knob (143).

4. The roof ventilator and roof steel beam connecting structure according to claim 2, characterized in that: The bottom of the frame (141) is fixedly connected with a sliding sheet (144), and the side wall of the sliding sheet (144) is provided with a locking bolt (145).

5. The roof ventilator and roof steel beam connecting structure according to claim 1, characterized in that: The top of the rain baffle (130) is fixedly connected with a cross sheet, and a plurality of supporting columns are arranged between the rain baffle (130) and the ventilation piece (120).

6. The roof ventilator and roof steel beam connecting structure according to claim 1, characterized in that: The displacement frame (152) is matched with the bottom of the axial flow fan (121), and the axial flow fan (121) is fixedly connected with the side wall of the crossbeam (110).

7. The roof ventilator and roof steel beam connecting structure according to claim 4, characterized in that: The sliding sheet (144) is matched with the bottom of the rain baffle (130), and the sliding sheet (144) is in a cuboid type structure.

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