CN117066244A - Modularized suspended ceiling type air suction cover convenient to install - Google Patents

Abstract

The invention relates to the technical field of suspended ceiling type suction hoods, in particular to a modularized suspended ceiling type suction hood convenient to install, which comprises a suction pipe, a rotating cylinder, a suction hood, a rotating mechanism, an unfolding mechanism and an installation assembly, wherein the rotating cylinder is fixedly arranged at the lower end of the suction pipe, and the rotating cylinder realizes the adjustment of the position and the angle of the suction hood through the rotatable trapezoid structure relationship among cylinders and the mutual rotation of connecting bearings; an air suction cover is fixedly arranged at the lower end of the rotary cylinder, and the air suction cover forms a pressure difference through gas flow so as to adjust the opening range of the air suction cover; the center of the air suction cover is fixedly provided with a rotating mechanism which rotates under the action of gas flow; the side of the rotating mechanism is fixedly provided with a unfolding mechanism, and the unfolding mechanism converts the rotation of the steady flow fan in the rotating mechanism into the vertical displacement of the unfolding mechanism; the installation component is fixedly installed at the junction of the induced draft cover and the rotating mechanism, and the installation between the mechanisms is completed through rotation.

Description

Modularized suspended ceiling type air suction cover convenient to install

Technical Field

The invention relates to the technical field of suspended ceiling type suction hoods, in particular to a modularized suspended ceiling type suction hood convenient to install.

Background

The induced draft cover is a common device for absorbing generated smoke, dust and harmful gas of human body, and in the current industrial production, the industrial environment dust removal and ventilation application are very extensive, and a large amount of dust can be generated in the industrial production and is required to be discharged in time, so that the induced draft cover is required to be arranged on the workbench to discharge the dust in the air, and the cleanness and the neatness of an industrial area are ensured.

When sucking dust in the air, the key ring is to utilize the suction hood to suck the dust, but the dust in life is basically open, and the suction hood only breathes in near the dust just can realize the effect of dust removal, current suction hood shape adopts circular or square, and current suction hood size is fixed simultaneously, leads to the unable equipment or the working area of adapting to different sizes of suction hood, can't cover target area or provide required air flow effectively, if the size of suction hood does not match with actual demand, can lead to the air flow restriction, influences the effect of dust removal. An excessively large suction hood may cause excessive air to be sucked in, failing to form a sufficient negative pressure; too small an induced draft hood may limit air circulation, resulting in an inability to effectively capture particulate matter. A fixed size suction hood may not be optimized for a particular application. Different application scenarios may require different hood sizes to maximize ventilation efficiency and particulate capture. As a result, a fixed size suction hood may not provide optimal performance and results. An excessively large suction hood may occupy an excessive working space, limiting the range of motion of an operator or interfering with the normal operation of the apparatus. And the size of the induced draft cover is fixed in the induced draft process, so that the induced draft cover is possibly not applicable to each customer, and extra cost and workload are increased.

In view of the above, in order to overcome the above technical problems, the present invention provides a modular suspended ceiling type suction hood which is convenient to install, and solves the above technical problems.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: because the size is fixed at current cover that induced drafts, lead to the unable equipment or the work area of adapting to not unidimensional of cover that induced drafts, can not cover target area or provide required air flow simultaneously effectively, if the size of cover that induced drafts does not match with actual demand, can lead to the air flow limited, influence the effect of dust removal.

In order to achieve the above object, the present invention provides the following technical solutions: the invention provides a modularized suspended ceiling type air suction cover convenient to install, which comprises an air suction pipe, a rotating cylinder, an air suction cover, a rotating mechanism, an unfolding mechanism and an installing assembly, wherein the rotating cylinder is fixedly arranged at the lower end of the air suction pipe, the air suction pipe is connected with the rotating cylinder in a welding or hinging way, and the rotating cylinder realizes the adjustment of the position and the angle of the air suction cover through the rotatable trapezoid structure relationship among cylinders and the mutual rotation of connecting bearings; the rotary cylinder is fixedly arranged at the lower end of the rotary cylinder, the rotary cylinder is welded or rotationally connected with the mounting mode of the rotary cylinder, the pressure difference is formed by the air flowing of the rotary cylinder, the position of the air suction cover is adjusted, the rotary mechanism is fixedly arranged at the center of the air suction cover, the rotary mechanism is rotationally connected with the mounting mode of the rotary mechanism, the rotary mechanism rotates under the action of the air flowing, the unfolding mechanism is fixedly arranged at the side edge of the rotary mechanism, the rotary mechanism is in sliding connection with the mounting mode of the unfolding mechanism, the unfolding mechanism converts the rotation of the steady flow fan in the rotary mechanism into the vertical displacement of the unfolding mechanism, the mounting assembly is fixedly arranged at the junction of the air suction cover and the rotary mechanism, and the mounting assembly is arranged between the mechanisms through rotation.

Through the mutual rotation of the rotary cylinder and the connecting bearing, the direction of the induced draft cover can be conveniently adjusted so as to adapt to the gas absorption requirements of different positions or angles. This flexibility makes the hood more adaptable to a wide variety of application scenarios. The air suction cover can automatically adjust the suction amount of gas according to the gas flow or pressure conditions by adjusting the opening range according to the pressure difference, thereby being beneficial to realizing a stable gas treatment process and improving the working efficiency of the air suction cover. The rotating mechanism forms stable flow through gas flow, so that the gas flow can be controlled stably, the stable gas flow is beneficial to improving the air suction treatment effect, and the problem caused by unstable gas flow is avoided. By combining the rotation mechanism and the deployment mechanism, the suction hood can achieve a specific deployment angle during certain gas handling processes. The unfolding mechanism moves upwards through the rotation of the rotating mechanism and plays an important role in the specific gas treatment process.

The utility model provides a mechanism of expanding, including screw post, movable rod, fixed slider, bracing piece, telescopic cylinder, blast pipe, expansion plate, regulation pole and regulating plate, screw post fixed mounting is in the rotary mechanism below, screw post adopts slip or articulated connection with rotary mechanism mounting means, screw post side fixed mounting has the one end of movable rod, the other end fixed mounting of movable rod has fixed slider, the movable rod adopts welded connection with fixed slider mounting means, set up the slide hole on the fixed slider, and fixed slider both sides connect the lug, bracing piece fixed mounting is in fixed slider intermediate position, bracing piece adopts sliding connection with fixed slider mounting means, the diameter of the slide hole on the diameter of bracing piece and the fixed slider equals, the diameter of bracing piece is 2 with the cover thickness ratio that induced drafts: 3, telescopic section of thick bamboo fixed mounting is in the upper end position of fixed slider, telescopic section of thick bamboo length equals with fixed slider's width, telescopic section of thick bamboo shape is oval, telescopic section of thick bamboo's bottom fixed mounting has the blast pipe, the ratio of blast pipe diameter and movable rod diameter is 1:3, telescopic cylinder adopts slip or articulated connection with fixed slider mounting means, telescopic cylinder length equals with fixed slider's width, expansion plate fixed mounting is in fixed slider's lower extreme position, expansion plate adopts bolted connection or screw connection with fixed slider mounting means, the expansion plate adopts wear-resisting steel material, fixed slider's side fixed mounting has the regulation pole, fixed slider adopts welding or hinged connection with regulation pole mounting means, the shape of regulation pole is L shape, it keeps the level with the telescopic link to align to adjust the pole, regulation pole lower extreme fixed mounting has the regulating plate, it adopts articulated or bolted connection with the regulating plate mounting means to adjust the pole.

By firmly connecting the moving rod to the rotating mechanism and by sliding or hinging the connection, stability of the deployment mechanism can be ensured. The unfolding mechanism can keep a fixed position in the moving process, so that shaking or separation is avoided. The combination of adjusting lever and regulating plate can be adjusted the opening of cover that induced drafts, and the regulation pole of L shape provides convenient mode to control the position and the angle of regulating plate. The adjusting rod is horizontally aligned with the telescopic rod, the opening of the air suction cover and the adjusting stability of the unfolding mechanism are ensured, and the working state of the air suction cover can be further finely adjusted by the existence of the adjusting piece so as to meet the operation requirements of different angles. The unfolding mechanism is a telescopic plate made of wear-resistant steel materials and is fixed in a welding or sliding connection mode, so that the unfolding mechanism is ensured to have high structural strength and durability. The design can ensure that the unfolding mechanism is not easy to deform or damage in long-time use, and has longer service life. The ratio of the diameter of the supporting rod to the thickness of the induced draft cover is 2:3, the design makes the bracing piece have better control action, improves the stability of removal simultaneously, and the length of flexible section of thick bamboo equals with the width of fixed slider, and this kind of compact design makes the clearance between the part little, keeps the cooperation between the subassembly, ensures the stability and the smooth and easy motion of expansion mechanism. The ratio of the diameter of the exhaust pipe to the diameter of the moving rod is 1:3, the design can enable the exhaust pipe to be more accurately arranged on the movable rod, and the design of the unfolding mechanism can provide stable, adjustable and accurately controlled characteristics, so that the efficient operation and accurate treatment of the system air suction cover can be realized.

The spiral column comprises a conical column, spiral blades, limiting grooves and an adjusting plate, wherein the conical column is fixedly arranged at the lower end of the rotating mechanism, the height of the conical column is identical to the height of the trapezoid cover, the shape of the conical column is designed to be the same as that of the trapezoid cover, the upper part of the trapezoid cover is narrow, the lower part of the trapezoid cover is wide, the periphery of the conical column is fixedly provided with the spiral blades, the conical column is hinged or welded with the spiral blades in a mounting mode, the spiral blades are made of carbon fiber composite materials, the distance between the spirals on the spiral blades is 4-8cm, the limiting grooves are formed in the spiral blades, the width of the limiting grooves is identical to that of the sliding blocks, the adjusting plate is fixedly arranged on the side edges of the spiral blades, and the adjusting plate is in sliding connection with the spiral blades in a mounting mode.

The helical blade adopts the carbon fiber composite material, can realize higher intensity and rigidity, and has the characteristics of light weight. The design can lighten the weight of the whole equipment, and the rotating mechanism is more convenient to operate and use. The carbon fiber composite material has excellent rigidity and deformation resistance, and can provide good structural rigidity and stability. This helps to reduce vibration and deformation of the screw column during rotation and improves stability of the screw column. In addition, the carbon fiber composite material has good corrosion resistance and can resist oxidation, corrosion and erosion of chemical media. This enables the screw column to operate in a wet, corrosive environment, extending service life and reducing maintenance requirements. The distance between the spirals on the spiral vane is typically 4-8cm, which provides less adjustment accuracy so that the air flow can be accurately position adjusted and controlled to meet the requirements of a particular application. When the distance is greater than 8cm, the moving plate contacts the trapezoid cover without buffering, and impact force is applied to the trapezoid cover, so that the part is damaged. When the distance is less than 4cm, the air flow cannot be stabilized during air suction, the weight is too large, the installation is difficult, excessive pressure is generated on the steady flow fan, parts in the rotating mechanism can be damaged, and the cost is increased.

The adjusting plate comprises a sliding rod, a windshield, a spring plate, a fixed column, a telescopic spring and an extrusion spring, wherein the sliding rod is fixedly arranged on a spiral blade, the sliding rod is in sliding connection with the spiral blade in a mounting mode, the diameter of the sliding rod is 1/5 of the thickness of the spiral blade, one end of the sliding rod is fixedly arranged on the windshield, the sliding rod is in welded connection with the mounting mode of the windshield, the spring plate is fixedly arranged at the other end of the sliding rod, the width of the spring plate is 2/3 of that of the limiting groove, the fixed column is fixedly arranged in the middle of the sliding plate, the sliding plate is in sliding connection with the mounting mode of the fixed column, the telescopic spring is fixedly arranged on the fixed column, and the extrusion spring is fixedly arranged at the lower end of the spring plate.

The diameter of the sliding rod should be 1/5 of the thickness of the helical blade to ensure that it can slide flexibly on the helical blade and provide a large telescopic range. The sliding rod is more stable when being arranged on the spiral blade. When the ratio of the diameter of the slide bar to the thickness of the helical blade is less than 1/5, the slide bar is easily broken during rotation and is more easily deformed internally during rotation, thereby reducing the effect. When the ratio of the diameter of the sliding rod to the thickness of the helical blade is more than 1/5, the sliding rod is easy to collide with the telescopic rod, so that the sliding rod is damaged, and the whole mechanism is damaged due to collision between parts. By adjusting the relative positions of the windshield and the spring plate, the adjustment plate may be offset. The fixed column is fixed in the middle of the sliding plate to keep the balance of the whole adjusting plate. The telescopic spring provides elastic support, external impact and vibration can be buffered, and the adjusting plate can still work normally under an unstable environment. The width of the spring plate is 2/3 of that of the limiting groove, so that a certain degree of freedom is provided between each assembly, and fine adjustment and adjustment can be performed according to the needs so as to adapt to different working conditions and requirements. The presence of the compression spring increases the flexibility of the adjustment plate and may provide additional pressure or cushioning effects as desired. The material and structural design of the adjusting plate can provide good durability and reliability.

The telescopic assembly comprises a sliding block, a rotating ball, a telescopic rod and a cleaning hole, wherein the sliding block is fixedly arranged on a rotating mechanism, the sliding block is in sliding connection with the rotating mechanism in a mounting mode, the sliding block is made of nylon, the shape of the sliding block is elliptical, a circular groove is formed in the center of the sliding block, the rotating ball is fixedly arranged on the circular groove of the sliding block, the rotating ball is rotationally connected with the sliding block, the telescopic rod is fixedly arranged on the rotating ball, the rotating ball is rotationally connected with the telescopic rod in a mounting mode, the cleaning hole is formed in the sliding block, the rotating ball and the telescopic rod, and the diameter of the moving rod is 3 times that of the cleaning hole.

The sliding block is made of nylon, and has good wear resistance, corrosion resistance and low friction coefficient, so that the sliding block can stably move on the rotating mechanism. In addition, the nylon material also has higher strength and rigidity, which is helpful for improving the durability and reliability of the sliding block. The design of the elliptic shape enables the sliding block to provide more stable support and guide in the motion process, so that the shaking or deflection of the sliding block is reduced, and the accuracy and stability of air suction are improved. The center of the sliding block is provided with a circular groove, and a rotating ball is arranged. The design can realize small-amplitude rotation of the rotating ball in the groove, thereby reducing friction and resistance between the sliding block and the rotating mechanism. The presence of the rotating ball can also provide smoother motion trajectories, reducing friction between the parts. Thus, the design of the slider provides lower friction, more stable movement and higher durability, which helps to achieve efficient operation and reliability of the suction hood suction.

The length of the adjusting piece corresponds to the length and the width of the bottom end of the air suction cover one by one, the shape of the adjusting piece is in a plane shape, the adjusting piece is made of duralumin, and the angle between the adjusting piece and the air suction cover is inclined outwards by 30 degrees.

The length of the adjusting piece corresponds to the length and the width of the bottom end of the air suction cover one by one, so that the adjusting piece can completely cover and align the air suction cover, and good tightness and suitability are provided. The adjusting sheet adopts a plane shape, namely a flat sheet-shaped design. This shape helps the conditioner disk to provide smooth air flow direction and flow control. The adjusting piece is made of hard aluminum, has high strength and rigidity, can keep stability of the shape and provides durability. Meanwhile, the duralumin also has corrosion resistance and wear resistance, and is suitable for gas treatment environment. The angle between the adjusting piece and the suction hood is inclined outwards by 30 degrees. The inclination angle can guide air flow and adjust the flowing direction of the air so as to realize the required air treatment effect, avoid collision problems and ensure the stability of the adjusting rod and the function of the adjusting sheet. When inclination is greater than 30, adjusting the pole can lead to adjusting plate and induced draft cover to collide when tensile regulating plate, damages the part easily, increases the cost of induced draft cover. When the inclination angle is smaller than 30 degrees, the adjusting rod needs larger pulling force when the adjusting piece is pulled, and the adjusting rod is easy to break. The design of the conditioning sheet helps to provide good sealing, gas flow control and gas handling.

The rotary cylinder comprises a fixed pipe, a connecting gear, a joint pipe, a rotary gear, a rotary pipe, an air suction gear, an air suction pipe, a transmission shaft and a transmission gear, wherein one end of the fixed pipe is fixedly arranged on the air suction pipe, the fixed pipe is connected with the air suction pipe in a rotary or hinged mode, and the diameter ratio of the fixed pipe to the air suction pipe is 6:5, the one end of fixed pipe's the other end fixed mounting connecting gear, fixed pipe adopts rotation or articulated connection with the connecting gear mounting means, the other end fixed mounting of connecting gear has the joint pipe, connecting gear adopts welded connection with the joint pipe mounting means, the joint pipe adopts right trapezoid, the one end of joint pipe lower extreme fixed mounting rotation gear, the joint pipe adopts rotation connection or articulated connection with the rotating gear mounting means, the other end fixed mounting rotation pipe's of rotation gear one end, rotation gear adopts welded connection with the rotating pipe mounting means, the rotating pipe adopts isosceles trapezoid, the other end fixed mounting of rotation pipe has the gear that induced drafts, rotation pipe adopts rotation connection with the gear that induced drafts, the fixed mounting of gear lower extreme that induced drafts one end of aspiration channel, induced drafts gear and aspiration channel mounting means adopt welded connection or bolted connection, the aspiration channel adopts right trapezoid, the other end fixed mounting of aspiration channel has the cover, aspiration channel adopts rotation connection or bolted connection with the cover mounting means, three the transmission shaft respectively fixed mounting is at fixed pipe, on the tube and the other end fixed mounting of rotation pipe has the gear, rotation pipe adopts welded connection with the gear mounting means, the diameter is for the transmission connection is for the transmission gear, 1 is connected with the transmission diameter, the transmission is fixed connection is adopted to the gear to install. 5.

The rotating drum can realize coordinated movement and power transmission among different components so as to provide stable and reliable operation. In order to enhance the stability of the suction hood and provide smooth fluid transport and guidance, the suction pipes, connector pipes and rotating pipes are in the shape of right trapezoid and isosceles trapezoid. The direction and the angle of the air suction cover can be adjusted by adjusting the direction and the angle of the rotating cylinder, so that stable control of the gesture and balanced air suction effect are realized. The ratio of the diameter of the fixed tube to the diameter of the aspiration channel is 6:5, and the fixed tube provides a larger passage space relative to the aspiration channel, so that the pressure of the gas can be distributed in the pipeline in a balanced manner. This helps to reduce the speed variation and pressure loss of the gas in the duct, thereby improving the suction efficiency of the suction hood. The ratio of the diameter of the transmission gear to the diameter of the connecting gear is 1:5, which helps to keep the suction hood more stable and efficient in rotation. The rotation speed and the output force of the rotating cylinder can be increased through the combination of the transmission shaft and the transmission gear, and the rotating cylinder is suitable for applications requiring higher speed or larger output force. However, when the ratio of the diameter of the transmission gear to the diameter of the connection gear is greater than 1:5, it is difficult to control the direction of the suction hood during rotation and to accurately reach a designated position. In contrast, when the ratio is less than 1:5, more time and effort are required to adjust the direction of the suction hood. The design of the rotating drum may involve complex drive systems, multiple tube shapes, diameter matching, and multi-stage drive characteristics that help achieve efficient operation, precise control, and adaptability of the suction hood suction.

The air suction cover comprises an air inlet pipe, a trapezoid cover, a wind shield and a sliding groove, wherein the air inlet pipe is fixedly arranged at the lower end of the air suction pipe, the air inlet pipe is in welded connection with the air suction pipe in a mounting mode, a supporting block is fixedly arranged inside the air inlet pipe, the air inlet pipe is in welded connection with the supporting block in a mounting mode, a semicircular convex block is connected to the middle position of the supporting block, the supporting block is fixedly arranged at the lower end of the air inlet pipe, the trapezoid cover is in welded connection with the air inlet pipe in a mounting mode, the wind shield is fixedly arranged at the inclined side of the trapezoid cover, the trapezoid cover is in hinged connection with the wind shield in a mounting mode, the width of the wind shield is 1/2 of the width of the trapezoid cover, the sliding groove is formed in the center position of the side edge of the trapezoid cover, the width of the sliding groove is equal to the width of the fixed sliding block, a fixed groove is formed in the inner wall of the sliding groove, and the fixed groove is correspondingly connected with the convex block on the inner wall of the sliding groove.

The air inlet pipe of the air suction cover is fixedly arranged at the lower end of the air suction pipe, and a supporting block is fixedly arranged in the air inlet pipe. The supporting block is connected with the semicircular convex blocks at the middle position, so that stable fixing and supporting can be provided, and the position of the air suction cover and the position positioning accuracy of the rotating mechanism are ensured. The lower ends of the supporting blocks and the air inlet pipe are fixedly provided with a trapezoid cover, the inclined side of the trapezoid cover is fixedly provided with a wind shield, and the width of the wind shield is 1/2 of the width of the trapezoid cover. The air suction cover can better cover the gaps between the trapezoid covers when being unfolded, so that the air suction cover is prevented from exhausting air from the gaps between the trapezoid covers when absorbing, the direction and the flow of air flow can be changed, and the air flow entering the air suction cover can be guided and controlled. The central position of the side edge of the trapezoid cover is provided with a sliding groove, and the width of the sliding groove is equal to that of the fixed sliding block. The fixed groove is formed in the inner wall of the sliding groove and is correspondingly connected with the protruding block on the fixed sliding block, so that the trapezoid cover can horizontally slide under the guidance of the sliding groove, stable position fixation is realized through the connection of the protruding block and the fixed groove, and the functions of stability, airflow control and position adjustment of the air suction cover are realized.

The rotating mechanism comprises a fixed support, a fixed bearing and a steady flow fan, wherein the fixed support is fixedly arranged on the air inlet pipe, the fixed support is rotationally connected with the air inlet pipe in a mounting mode, the fixed support is cross-shaped, the fixed bearing is fixedly arranged at the center of the fixed support, the fixed bearing is welded with the fixed support in a mounting mode, the steady flow fan is fixedly arranged above the fixed bearing, the fixed bearing is welded with the steady flow fan in a mounting mode, and the number of blades on the steady flow fan is 3-5.

The fixed support adopts a cross shape, trapezoidal grooves are formed in the periphery of the fixed support, and square grooves are arranged in the fixed support to provide stable support and positioning, ensure the fixing of the position of the rotating mechanism and facilitate installation and disassembly. The number of blades of the steady flow fan is usually 3-5, the combination of the fixed bearing and the steady flow fan can provide stable rotation movement, and a proper amount of blades can effectively generate air flow so as to realize higher air suction efficiency. When the number of the blades is less than 3, the rotation process is more difficult, and the blades are subjected to a large pressure and are easily damaged. When the blade quantity is greater than 5, can lead to the blade to cover the inlet scoop, can't effectively induced draft, and can lead to the aspiration channel jam. The unfolding mechanism is driven to move upwards through the rotary motion, so that the function of the unfolding mechanism is realized, the rotary mechanism can simultaneously rotate and unfold, and the multifunctional unfolding mechanism has higher working efficiency and functional diversity.

The installation component includes sliding groove, square groove and supporting shoe, fixed bolster edge off-set position fixed mounting has the sliding groove, the sliding groove shape is established to trapezoidal, the thickness of sliding groove is than for 1 with the width of fixed bolster: 2, the inside fixed mounting of slip recess has the square groove, the height ratio of square groove and slip recess is 2: and 3, a semicircular groove is formed in the square groove, the supporting block is fixedly arranged on the air inlet pipe, the supporting block is connected with a semicircular lug, and the diameter of the semicircular lug is the same as that of the semicircular lug connected with the supporting block at the middle recessed diameter of the square groove.

The sliding groove is fixedly arranged at the edge of the fixed support and is lower than the top position of the fixed support. The ratio of the thickness of the sliding groove to the width of the fixed support is 1:2, this helps to provide better support during installation, making the mechanism more stable. When the ratio is greater than 1:2, the fixing support is likely to be easily damaged due to long-term friction, and the whole structure is also easier to loosen, so that casualties can be caused. When the ratio is less than 1:2, the thickness of the sliding groove is smaller, so that the assembly is easy to slide off during rotation, and after long-time use, the thickness of the sliding groove is likely to be worn and fall off, so that the cost is increased. In addition, the ratio of the height of the square groove to the height of the sliding groove is 2:3, helping to keep the balance and stability of the rotating mechanism. When the height ratio of the square groove to the sliding groove is more than 2:3, the installation process becomes more complicated and may cause clogging of the suction duct when it is raised as a whole. When the height ratio is less than 2:3, the fixed support is more convenient in installation, but the fixed support is possibly unstable and easy to drop and damage when the rotating mechanism rotates.

The beneficial effects of the invention are as follows:

1. according to the invention, by designing the unfolding mechanism, the height of the fixed sliding block is adjusted by utilizing the automatic rotation of the spiral column, so that the expansion of the dust collection opening of the air suction cover is realized, and dust collection can be carried out on different areas. The unfolding mechanism controls the rotating speed of the spiral column by adjusting the gas flow rate, and enlarges the effective coverage range of the air suction cover while increasing the gas flow rate, so that pollutants in the surrounding air can be sucked more comprehensively. Therefore, the air suction cover can clean local dust more effectively, dust or particles can be sucked into the cover body more quickly under the action of the air flow velocity, and the influence on the surrounding environment and operators is reduced.

2. According to the invention, the rotating cylinder is designed, so that the direction required by the rotating cylinder can be rotated and adjusted faster by higher agility and flexibility when the direction of the suction hood is adjusted by the transmission shaft, the effect that dust cannot be sucked at an included angle is avoided, and the efficient operation, accurate control and adaptability of the suction hood suction are realized.

3. The invention designs a rotating mechanism, can provide stable rotating motion by utilizing the steady flow fan, has stable air flow characteristic, and can effectively generate air flow when induced draft so as to realize higher induced draft efficiency. Simultaneously, rotary mechanism can rotate simultaneously and expand the motion, realizes the function of expansion mechanism to improve work efficiency and function diversity.

4. According to the invention, the mounting assembly is designed, and the convex blocks in the supporting blocks are connected with the grooves in the square grooves. Meanwhile, a sliding groove is adopted, and the groove is in a trapezoid shape. Such a design is more convenient in the installation process, while providing better stability and robustness when rotated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall view of the present invention;

FIG. 2 is a schematic view of the deployment mechanism of the present invention;

FIG. 3 is a schematic view of an air suction hood according to the present invention;

FIG. 4 is an enlarged pictorial view of the rotary mechanism and mounting assembly of the present invention;

FIG. 5 is an enlarged view of the suction hood and mounting assembly of the present invention;

FIG. 6 is a schematic view of a telescoping rod of the present invention;

FIG. 7 is a plan view of the telescopic boom of the present invention;

FIG. 8 is a schematic view of a screw column and rotation mechanism of the present invention;

FIG. 9 is a schematic view of spring plates in the regulator plate of the present invention;

FIG. 10 is a side view of a helical blade of the present invention;

FIG. 11 is a plan view of the compression spring of the present invention;

FIG. 12 is a schematic view of a rotating cartridge of the present invention;

FIG. 13 is a rotary drum rotation schematic of the present invention;

fig. 14 is a schematic view of the telescopic cartridge of the present invention.

In the figure: 1. an air suction pipe; 2. a rotating cylinder; 21. a fixed tube; 22. a connecting gear; 23. a joint pipe; 24. rotating the gear; 25. a rotary tube; 26. an induced draft gear; 27. an air suction pipe; 28. a transmission shaft; 29. a transmission gear; 3. an air suction cover; 31. an air inlet pipe; 32. a trapezoid cover; 33. a wind shield; 34. a sliding groove; 4. a rotation mechanism; 41. a fixed support; 42. fixing a bearing; 43. a steady flow fan; 5. a deployment mechanism; 51. a screw column; 511. conical columns; 512. a helical blade; 513. a limit groove; 514. an adjusting plate; 5141. a slide bar; 5142. a wind shielding sheet; 5143. a spring plate; 5144. fixing the column; 5145. a telescopic spring; 5146. extruding a spring; 52. a telescoping assembly; 521. a sliding block; 522. a rotating ball; 523. a telescopic rod; 524. cleaning the hole; 53. a fixed slide block; 54. a support rod; 55. a telescopic cylinder; 56. an exhaust pipe; 57. a telescoping plate; 58. an adjusting rod; 59. a regulating piece; 6. a mounting assembly; 61. a sliding groove; 62. a square groove; 63. and a supporting block.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

As shown in fig. 1, the modularized suspended ceiling type suction hood convenient to install provided by the invention comprises a suction pipe 1, a rotating cylinder 2, a suction hood 3, a rotating mechanism 4 and a spreading mechanism 5, wherein the rotating cylinder 2 is fixedly installed at the lower end of the suction pipe 1, the suction pipe 1 and the rotating cylinder 2 are connected in a hinged manner, and the rotating cylinder 2 realizes the adjustment of the position and the angle of the suction hood 3 through the rotatable trapezoid structure relationship among cylinders and the mutual rotation of connecting bearings; the rotary cylinder 2 lower extreme fixed mounting cover 3 that induced drafts, rotary cylinder 2 adopts the rotation to be connected with cover 3 mounting means that induced drafts, cover 3 is through adjusting cover 3 opening scope that induced drafts according to the pressure differential, cover 3 central point puts fixed mounting rotary mechanism 4 induced drafts, cover 3 and rotary mechanism 4 mounting means that induced drafts adopts the rotation to be connected, rotary mechanism 4 is through the gas flow stationary flow, rotary mechanism 4 side fixed mounting expansion mechanism 5, rotary mechanism adopts sliding connection with expansion mechanism 5 mounting means, expansion mechanism 5 upwards moves through the rotation expansion mechanism 5 of rotary mechanism 4, installation component 6 fixed mounting is in the juncture of cover 3 and rotary mechanism 4 induced drafts, installation component 6 is through rotatory installation of accomplishing the mechanism between.

When the mechanism that induced drafts starts the induced draft, rotary mechanism's internals make expansion mechanism 5 upwards move through rotatory, through the inside support of expansion mechanism 5, make induced draft cover 3 by expansion mechanism 5 strut, expansion mechanism 5's internals have realized the free expansion scope of induced draft cover 3 through mutually supporting to can conveniently adjust the direction of induced draft cover 3 through rotary cylinder 2. Through the mutual rotation of the rotary cylinder and the connecting bearing, the direction of the induced draft cover 3 can be conveniently adjusted so as to adapt to the gas absorption requirements of different positions or angles. This flexibility allows the suction hood 3 to cope with a wide variety of application scenarios. The air suction cover 3 can automatically adjust the suction amount of the gas according to the gas flow or pressure conditions by adjusting the opening range according to the pressure difference, thereby being beneficial to realizing a stable gas treatment process and improving the working efficiency of air suction of the air suction cover 3. The rotation mechanism 4 forms a stable flow by the gas flow, and can control the gas flow smoothly, the stable gas flow contributes to improving the treatment effect of induced draft and avoiding the problem caused by the unstable gas flow. By combining the rotation mechanism 4 and the deployment mechanism 5, the suction hood 3 can achieve a specific deployment angle during certain gas treatments. The deployment mechanism 5 is moved upward by the rotation of the rotation mechanism 4, and plays an important role in a specific gas treatment process.

As shown in fig. 2, 6, 8 and 14, the deployment mechanism 5 includes a spiral column 51, a moving rod 52, a fixed sliding block 53, a supporting rod 54, a telescopic cylinder 55, an exhaust pipe 56, a telescopic plate 57, an adjusting rod 58 and an adjusting plate 59, wherein the spiral column 51 is fixedly installed below the rotating mechanism 4, the spiral column 51 and the rotating mechanism 4 are installed in a sliding manner, the moving rod 52 is fixedly installed on the side edge of the spiral column 51, the fixed sliding block 53 is fixedly installed at the other end of the moving rod 52, the moving rod 52 and the fixed sliding block 53 are fixedly installed in a welding manner, a sliding hole is formed in the fixed sliding block 53, a bump is arranged on the fixed sliding block 53, the supporting rod 54 is fixedly installed in the middle of the fixed sliding block 53, the supporting rod 54 and the fixed sliding block 53 are installed in a sliding manner, and the thickness ratio of the diameter of the supporting rod 54 to the air suction cover 3 is 2:3, the diameter of bracing piece 54 equals with the diameter of the sliding hole on the fixed slider 53, flexible section of thick bamboo 55 fixed mounting is in the upper end position of fixed slider 53, flexible section of thick bamboo 55 length equals with the width of fixed slider 53, flexible section of thick bamboo 55 shape is oval, the bottom fixed mounting blast pipe 56 of flexible section of thick bamboo 55, the ratio of blast pipe 56 diameter and movable rod 52 diameter is 1:3, telescopic cylinder 55 adopts slip or articulated connection with fixed slider 53 mounting means, telescopic cylinder 55 length equals with fixed slider 53's width, expansion plate 57 fixed mounting is in fixed slider 53's lower extreme position, expansion plate 57 adopts bolted connection with fixed slider 53 mounting means, expansion plate 57 adopts wear-resisting steel material, fixed slider 53's side fixed mounting adjusts pole 58, fixed slider 53 adopts articulated connection with adjusting pole 58 mounting means, adjust the shape of pole 58 and be L shape, adjust pole 58 and telescopic link 523 and keep the level to align, adjust pole 58 lower extreme fixed mounting adjustment piece 59, adjust pole 58 and adjustment piece 59 mounting means adoption articulated connection.

By firmly connecting the moving lever 52 to the rotation mechanism 4 and adopting the sliding connection, the stability of the deployment mechanism 5 can be ensured. The unfolding mechanism 5 can keep a fixed position in the moving process, so that shaking or detachment is avoided. The combination of the adjusting lever 58 and the adjusting piece 59 can adjust the opening of the suction hood 3, and the L-shaped adjusting lever 58 provides a convenient way to control the position and angle of the adjusting piece 59. The adjusting rod 58 is horizontally aligned with the telescopic rod 523, so that the opening and the adjustment stability of the unfolding mechanism 5 on the suction hood 3 are ensured, and the working state of the suction hood 3 can be further finely adjusted by the existence of the adjusting piece 59 so as to meet the operation requirements of different angles. The unfolding mechanism 5 is made of a wear-resistant steel material and is fixed by welding or sliding connection, so that the unfolding mechanism 5 has high structural strength and durability. The design can ensure that the unfolding mechanism 5 is not easy to deform or break in long-time use, and has longer service life. The length of the telescopic cylinder 55 is equal to the width of the fixed slider 53, and this compact design allows for small clearances between the parts, maintains the cooperation between the components, and ensures the stability and smooth movement of the deployment mechanism 5. The design of the deployment mechanism 5 may provide stable, adjustable and precisely controlled features that help to achieve efficient operation and accurate handling of the suction hood 3 suction.

When the rotating mechanism 4 is started, the rotating mechanism 4 drives the parts inside the unfolding mechanism 5 to expand the opening of the air suction cover 3 in the lifting process, and the fixed sliding block 53 drives the adjusting rod 58 to move upwards when moving upwards, so that the unfolding mechanism 5 can keep a fixed position in the moving process, and the shaking or separating condition is avoided, and the adjusting rod 58 is hinged with the adjusting piece 59, so that the adjusting rod 58 rotates upwards when the fixed sliding block 53 moves upwards.

As shown in fig. 8, the spiral column 51 includes a conical column 511, a spiral blade 512, a limit groove 513 and an adjusting plate 514, the conical column 511 is fixedly mounted at the lower end of the steady flow fan 43, the conical column 511 and the trapezoid cover 32 are provided with a trapezoid shape with the same height and a narrow top and a wide bottom, the spiral blade 512 is fixedly mounted on the periphery of the conical column 511, the conical column 511 and the spiral blade 512 are hinged, the spiral blade 512 is made of a carbon fiber composite material, the distance between the spirals on the spiral blade 512 is 6cm, the limit groove 513 is formed in the spiral blade 512, the width of the limit groove 513 is consistent with that of the sliding block 521, the adjusting plate 514 is fixedly mounted on the side edge of the spiral blade 512, and the adjusting plate 514 and the spiral blade 512 are connected in a sliding manner.

When the spiral blade 512 rotates, the spiral blade 512 is made of a carbon fiber composite material, so that higher strength and rigidity can be realized, and the spiral blade has the characteristic of light weight. The design can lighten the weight of the whole equipment, and the rotating mechanism is more convenient to operate and use. The carbon fiber composite material has excellent rigidity and deformation resistance, and can provide good structural rigidity and stability. This helps to reduce vibration and deformation of the screw post 51 during rotation, and improves stability of the screw post 51. In addition, the carbon fiber composite material has good corrosion resistance and can resist oxidation, corrosion and erosion of chemical media. This enables the screw post 51 to operate in a wet, corrosive environment, extending service life and reducing maintenance requirements. The distance between the spirals on the spiral vane 512 is typically 4-8cm, which provides less adjustment accuracy so that the airflow can be precisely position adjusted and controlled to meet the requirements of a particular application.

As shown in fig. 9, 10 and 11, the adjusting plate 514 includes a sliding rod 5141, a wind shielding plate 5142, a spring plate 5143, a fixed column 5144, a telescopic spring 5145 and an extrusion spring 5146, wherein the sliding rod 5141 is fixedly installed on the spiral blade 512, the sliding rod 5141 is in sliding connection with the spiral blade 512 in a mounting manner, the diameter of the sliding rod 5141 is 1/5 of the thickness of the spiral blade 512, one end of the sliding rod 5141 is fixedly installed with the wind shielding plate 5142, the sliding rod 5141 is in welding connection with the wind shielding plate 5142 in a mounting manner, the other end of the sliding rod 5141 is fixedly installed with the spring plate 5143, the width of the spring plate 5143 is 2/3 of that of the limiting groove 513, the fixed column 5144 is fixedly installed in the middle of the sliding plate, the sliding plate is in sliding connection with the fixed column 5144, the telescopic spring 5145 is fixedly installed on the fixed column 5144, and the extrusion spring 5146 is fixedly installed at the lower end of the spring plate 5143.

When the screw column 51 is rotated, since the diameter of the sliding rod 5141 should be 1/5 of the thickness of the screw blade 512 to ensure that it can slide flexibly on the screw blade 512 and provide a large telescopic range. The slide bar 5141 is more stable when mounted on the screw blade 512. By adjusting the relative positions of the wind shielding plate 5142 and the spring plate 5143, the adjustment plate 514 can be offset. The fixed column 5144 is fixed at the middle position of the sliding plate, maintaining the balance of the entire adjusting plate 514. The expansion spring 5145 provides elastic support, and can buffer external impact and vibration, so that the adjusting plate 514 can still work normally under an unstable environment. The width of the spring plate 5143 is 2/3 of that of the limit groove 513, so that a certain degree of freedom is provided between each component, and fine adjustment and adjustment can be performed according to the needs so as to adapt to different working conditions and requirements. The presence of the compression spring 5146 increases the flexibility of the adjustment plate 514, providing additional pressure or cushioning effects as desired. The material and structural design of the adjustment plate 514 can provide good durability and reliability.

As shown in fig. 6 and 7, the moving rod 52 includes a sliding block 521, a rotating ball 522, a telescopic rod 523 and a cleaning hole 524, where the sliding block 521 is fixedly installed on the rotating mechanism 4, the sliding block 521 is slidably connected with the rotating mechanism 4, the sliding block 521 is made of nylon, the sliding block 521 is elliptical, a circular groove is formed in the center of the sliding block 521, the rotating ball 522 is fixedly installed on the circular groove of the sliding block 521, the rotating ball 522 is rotationally connected with the sliding block 521, the telescopic rod 523 is fixedly installed on the rotating ball 522, the rotating ball 522 is rotationally connected with the telescopic rod 523, the telescopic rod 523 is fixedly installed on the rotating ball 522, the cleaning hole 524 is formed on the sliding block 521, the rotating ball 522 and the telescopic rod 523, and the diameter of the moving rod 52 is 3 times that of the cleaning hole 524.

When the slider 521 in the moving rod 52 is made of nylon, the nylon has excellent wear resistance, corrosion resistance and low friction coefficient, so that the slider 521 can smoothly move on the rotation mechanism 4. In addition, the nylon material has higher strength and rigidity, which is helpful for improving the durability and reliability of the sliding block 521. The oval shape provides a more stable support and guiding of the slider 521 during movement, thereby reducing the wobbling or shifting of the slider 521 and improving the accuracy and stability of the suction hood 3. The slider 521 is provided with a circular groove at the center and is provided with a rotation ball 522. This design allows a small amount of rotation of the ball 522 in the groove, thereby reducing friction and drag between the slider 521 and the rotation mechanism 4. The presence of the swivel ball 522 may also provide a smoother motion profile, reducing friction between parts. Thus, the design of slider 521 can provide lower friction, more stable movement, and higher durability, helping to achieve efficient operation and reliability of suction hood 3.

When the moving rod 52 moves, the sliding block 521 provides more stable support and guide during movement, thereby reducing shaking or deflection of the sliding block 521, improving accuracy and stability of suction of the suction hood 3, and allowing the telescopic rod 523 to freely telescopic-adjust the position of the sliding block as the center gradually deflects upward.

As shown in fig. 2, the length of the adjusting piece 59 corresponds to the length and width of the bottom end of the air suction cover 3 one by one, the shape of the adjusting piece 59 is plane, the material is duralumin, and the angle between the adjusting piece 59 and the air suction cover 3 is inclined outwards by 30 degrees.

When the adjusting sheet 59 is pulled, the length of the adjusting sheet 59 corresponds to the length and width of the bottom end of the suction hood 3 one by one, so that the adjusting sheet 59 can completely cover and align the suction hood 3, and good sealing performance and suitability are provided. The planar shape of the regulator 59 helps the regulator 59 provide smooth air flow guidance and flow control. When the adjusting sheet 59 is made of hard aluminum, it has high strength and rigidity, and can maintain stability of shape and provide durability. Meanwhile, the duralumin also has corrosion resistance and wear resistance, and is suitable for gas treatment environment. The angle between the adjusting plate 59 and the suction hood 3 is inclined outwards by 30 °, and this inclined angle can guide the air flow and adjust the flow direction of the air to achieve the desired air treatment effect, not only can avoid collision problems, but also can ensure the stability of the adjusting rod 58 and the function of the adjusting plate 59, and the design of the adjusting plate 59 helps to provide good sealing, air flow control and air treatment effect.

As shown in fig. 12 and 13, the rotary cylinder 2 includes a fixed tube 21, a connecting gear 22, a joint tube 23, a rotary gear 24, a rotary tube 25, an air suction gear 26, an air suction tube 27, a transmission shaft 28 and a transmission gear 29, one end of the fixed tube 21 is fixedly mounted on the air suction tube 27, the fixed tube 21 is rotationally connected with the air suction tube 27 in a mounting manner, and the diameter ratio of the fixed tube 21 to the air suction tube 27 is 6:5, the other end fixed mounting of fixed pipe 21 the one end of connecting gear 22, fixed pipe 21 adopts rotation connection with connecting gear 22 mounting means, connecting gear 22's the other end fixed mounting joint pipe 23, connecting gear 22 adopts welded connection with joint pipe 23 mounting means, joint pipe 23 adopts right trapezoid, joint pipe 23 lower extreme fixed mounting rotary gear 24, joint pipe 23 adopts rotation connection or articulated connection with rotary gear 24 mounting means, rotary gear 24's the other end fixed mounting rotary pipe 25, rotary gear 24 adopts welded connection with rotary pipe 25 mounting means, rotary pipe 25 adopts isosceles trapezoid, rotary pipe 25's the other end fixed mounting induced draft gear 26, rotary pipe 25 adopts rotation connection with induced draft gear 26 mounting means, the one end of induced draft gear 26 lower extreme fixed mounting induced draft tube 27 adopts bolted connection with induced draft tube 27 mounting means, induced draft tube 27 adopts right trapezoid, the other end fixed mounting induced draft hood 3 of induced draft tube 27 adopts rotation connection or articulated connection with rotary gear 24 mounting means, three induced draft hood 3 adopts three to adopt the fixed connection mode of gear 21, the fixed connection with rotary pipe 25 adopts the fixed connection of gear 29 to adopt the transmission shaft to take shape, the fixed connection is the transmission shaft 29, the fixed diameter of the fixed connection is adopted on the transmission shaft of the fixed connection of gear 21 and the transmission shaft 29, the fixed connection is adopted on the transmission shaft of the fixed connection of the transmission shaft is 29: 5.

When the rotating cylinder 2 rotates, the rotating cylinder 2 can realize coordinated movement and power transmission among different components so as to provide stable and reliable operation. In order to enhance the stability of the suction hood 3 and provide smooth fluid transfer and guiding, the suction duct 27, the joint pipe 23 and the rotary pipe 25 take the shape of right trapezoid and isosceles trapezoid. By adjusting the direction and angle of the rotary cylinder 2, the direction and angle of the suction hood 3 can be adjusted, and stable control of the gesture and balanced suction effect can be realized. The ratio of the diameter of the fixed tube 21 to the diameter of the aspiration channel 27 is 6:5, and the fixed tube 21 provides a larger passage space relative to the aspiration channel 27, allowing the gas to be distributed in the tubing at equilibrium. This helps to reduce the speed variation and pressure loss of the gas in the duct, thereby improving the suction efficiency of the suction hood 3. The ratio of the diameter of the drive gear 29 to the diameter of the connecting gear 22 is 1:5, which helps to keep the suction hood 3 more stable and efficient in rotation. By combining the drive shaft 28 and the drive gear 29, the rotational speed and output force of the rotatable drum 2 can be increased, suitable for applications requiring higher speeds or larger output forces. The design of the rotating drum 2 may involve complex drive trains, multiple tube shapes, diameter matching, and multi-stage drive characteristics that help achieve efficient operation, precise control, and adaptability of the suction hood 3.

As shown in fig. 3 and 4, the suction hood 3 includes an air inlet pipe 31, a supporting block 63, a trapezoid hood 32, a wind shield 33 and a sliding groove 34, the air inlet pipe 31 is fixedly installed at the lower end of the air inlet pipe 27, the air inlet pipe 31 and the air inlet pipe 27 are fixedly installed in a welding mode, the supporting block 63 is fixedly installed inside the air inlet pipe 31, the air inlet pipe 31 and the supporting block 63 are fixedly installed in a welding mode, a semicircular protruding block is arranged in the middle of the supporting block 63, the trapezoid hood 32 is fixedly installed at the lower end of the supporting block 63 and the air inlet pipe 31, the supporting block 63 and the air inlet pipe 31 are fixedly installed in a welding mode, the wind shield 33 is fixedly installed at the inclined side of the trapezoid hood 32, the trapezoid hood 32 and the wind shield 33 are in a hinged connection mode, the width of the wind shield 33 is 1/2 of the width of the trapezoid hood 32, the sliding groove 34 is formed at the center of the side edge of the trapezoid hood 32, the width of the sliding groove 34 is equal to the width of the fixed sliding block 53, a fixed groove is formed in the inner wall of the sliding groove 34, and the fixed groove 53 is correspondingly connected with the fixed protruding block 53 in the inner wall of the sliding groove 34.

When the suction hood 3 is in operation, the air inlet pipe 31 of the suction hood 3 is fixedly installed at the lower end of the suction pipe 27, and the support block 63 is fixedly installed inside the air inlet pipe 31. The supporting block 63 is provided with a semicircular bump in the middle position, so that stable fixing and supporting can be provided, and the position of the suction hood 3 and the position of the rotating mechanism are ensured to be positioned accurately. The supporting block 63 and the lower end of the air inlet pipe 31 are fixedly provided with a trapezoid cover 32, the inclined side of the trapezoid cover 32 is fixedly provided with a windshield 33, and the width of the windshield 33 is 1/2 of the width of the trapezoid cover 32. The gaps between the trapezoid covers 32 can be better covered when the air suction cover is unfolded, air is prevented from being discharged from the gaps between the trapezoid covers 32 when the air suction cover 3 is absorbed, the direction and flow of air flow can be changed, and the air flow entering the air suction cover 3 can be guided and controlled. The center of the side edge of the trapezoid cover 32 is provided with a sliding groove 34, and the width of the sliding groove 34 is equal to that of the fixed sliding block 53. The fixed groove is formed in the inner wall of the sliding groove 34 and is correspondingly connected with the protruding block on the fixed sliding block 53, so that the trapezoid cover 32 can horizontally slide under the guidance of the sliding groove 34, stable position fixing is realized through the connection of the protruding block and the fixed groove, and the functions of stability, airflow control and position adjustment of the air suction cover 3 are realized.

As shown in fig. 4, the rotation mechanism 4 includes a fixed support 41, a trapezoidal groove, a square groove 62, a fixed bearing 42 and a steady flow fan 43, the fixed support 41 is fixedly installed on the air inlet pipe 31, the fixed support 41 is rotationally connected with the air inlet pipe 31 in a mounting mode, the fixed support 41 adopts a cross shape, the trapezoidal groove is formed around the fixed support 41, the square groove 62 is fixedly installed inside the trapezoidal groove, and the height ratio of the square groove 62 to the trapezoidal groove is 2:3, the diameter of the middle concave part of the square groove 62 is the same as the diameter of the semicircular convex block arranged on the supporting block 63, the fixed bearing 42 is fixedly arranged at the center position of the fixed support 41, the fixed bearing 42 is in welded connection with the fixed support 41, the steady flow fan 43 is fixedly arranged above the fixed bearing 42, the fixed bearing 42 is in welded connection with the steady flow fan 43, and the number of blades on the steady flow fan 43 is 3-5.

When the fixed support 41 in the rotating mechanism 4 adopts a cross shape, trapezoidal grooves are formed on the periphery, and square grooves 62 are arranged in the fixed support to provide stable support and positioning, ensure the fixing of the position of the rotating mechanism 4 and facilitate the installation and the disassembly. The ratio of the height of the square groove 62 to the height of the trapezoidal groove is 2:3, this proportionality helps to maintain structural balance and stability of the rotary mechanism 4. The number of blades of the steady flow fan 43 is typically 3-5, the combination of the fixed bearing 42 and the steady flow fan 43 can provide smooth rotation, and a proper amount of blades can effectively generate airflow to achieve higher suction efficiency.

As shown in fig. 4 and 5, the mounting assembly 6 includes a sliding groove 61, a square groove 62 and a supporting block 63, the sliding groove 61 is fixedly mounted at a position of the lower edge of the fixed support 41, the sliding groove 61 is shaped as a trapezoid, and the ratio of the thickness of the sliding groove 61 to the width of the fixed support 41 is 1:2, a square groove 62 is fixedly arranged in the sliding groove 61, and the height ratio of the square groove 62 to the sliding groove 61 is 2:3, set up the semicircle recess on the square groove 62, supporting shoe 63 fixed mounting is on air-supply line 31, be equipped with the semicircle lug on the supporting shoe 63, the sunken diameter department is the same with being equipped with the semicircle lug diameter on the supporting shoe 63 in the middle of the square groove 62.

During installation, the supporting blocks 63 on the air suction cover 3 are fixed on the sliding grooves 61, the sliding grooves 61 are fixedly installed at the edge lower position of the fixed support 41, and the ratio of the thickness of the sliding grooves 61 to the width of the fixed support 41 is 1:2, helping to keep a better supporting effect in the installation process so that the mechanism is more stable in the installation process, the ratio of the height of the square groove 62 to the height of the sliding groove 61 is 2: and 3, preventing falling and damage.

In the working process of the invention, when the fan rotates to generate air flow, negative pressure air flow is generated inside the fan to drive the steady flow fan 43 in the rotating mechanism 4, the steady flow fan 43 provides steady flow for air flow, and the steady flow fan 43 can be quickly assembled and disassembled due to the grooves and the supporting blocks 63 in the process of installation, the steady flow fan 43 rotates and drives the spiral column 51 in the unfolding mechanism 5 to rotate, the spiral column 51 is quickly rotated through the rotating speed of the steady flow fan 43, the sliding block is quickly moved on the sliding block, when the rotating speed reaches the compression of the expansion spring 5145 on the spiral blade 512, the spring plate 5143 is upwards rotated under the condition of spring compression when the compression spring 5146 reaches the compression degree, the sliding block provides upward deflection on the spring plate 5143, so that the supporting blocks 63 are upwards moved, the air suction cover 3 can not flow out from the periphery under the effect of the wind shield 33, the effect of unfolding is realized, when the fan stops rotating, the fan rotates to the opposite place, the cleaning effect is realized on the inner air suction cover 3, and when the fan 43 reversely rotates, the sliding block is driven to reversely rotate, and the original effect of the sliding block is greatly changed under the effect of the reverse gravity of the sliding cover is small.

While the beneficial effects of the present invention have been illustrated in detail and example embodiments have been provided in this specification, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a modularization furred ceiling formula cover that induced drafts convenient to installation, includes breathing pipe (1), a rotary drum (2), induced draft cover (3), rotary mechanism (4), expansion mechanism (5) and installation component (6), its characterized in that: a rotating cylinder (2) is fixedly arranged at the lower end of the air suction pipe (1), and the rotating cylinder (2) adjusts the position of the air suction cover (3) through the rotatable trapezoid structure relationship among the cylinders and the mutual rotation of the connecting bearings; an air suction cover (3) is fixedly arranged at the lower end of the rotary cylinder (2), and the air suction cover (3) forms pressure difference through gas flow to drive a rotary column in the unfolding mechanism (5) to rotate; a rotating mechanism (4) is fixedly arranged at the center of the air suction cover (3), and the rotating mechanism (4) rotates under the action of gas flow; the side of the rotating mechanism (4) is fixedly provided with a unfolding mechanism (5), and the unfolding mechanism (5) converts the rotation of the steady flow fan in the rotating mechanism (4) into the vertical displacement of the unfolding mechanism (5); the installation component (6) is fixedly installed at the junction of the air suction cover (3) and the rotating mechanism (4), and the installation component (6) completes the installation among the mechanisms through rotation.

2. The modular ceiling-mounted suction hood for easy installation of claim 1, wherein: the expansion mechanism (5) comprises a spiral column (51), a telescopic component (52), a fixed sliding block (53), a supporting rod (54), a telescopic cylinder (55), an exhaust pipe (56), a telescopic plate (57), an adjusting rod (58) and an adjusting piece (59), wherein the spiral column (51) is fixedly arranged below a rotating mechanism (4), one end of the telescopic component (52) is fixedly arranged on the side edge of the spiral column (51), the sliding hole is formed in the other end of the telescopic component (52) and fixedly arranged on the fixed sliding block (53), two sides of the fixed sliding block (53) are connected with protruding blocks, the supporting rod (54) is fixedly arranged at the middle position of the fixed sliding block (53), and the thickness ratio of the diameter of the supporting rod (54) to the thickness ratio of an air suction cover (3) is 2:3, telescopic section of thick bamboo (55) fixed mounting is in the upper end position of fixed slider (53), telescopic section of thick bamboo (55) length equals with the width of fixed slider (53), telescopic section of thick bamboo (55) shape is oval, telescopic section of thick bamboo (55)'s bottom fixed mounting has blast pipe (56), blast pipe (56) diameter is 1 with telescopic assembly (52) diameter's ratio: 3, fixed slider (53) lower extreme position fixed mounting has expansion plate (57), the side fixed mounting of fixed slider (53) has regulation pole (58), the shape of regulation pole (58) is L shape, regulation pole (58) are in horizontal alignment with telescopic link (523), regulation pole (58) lower extreme fixed mounting has regulating plate (59).

3. The modular ceiling-mounted suction hood for easy installation of claim 2, wherein: the spiral column (51) comprises a conical column (511), spiral blades (512), limiting grooves (513) and an adjusting plate (514), the conical column (511) is fixedly arranged at the lower end of the rotating mechanism (4), the height of the conical column (511) is identical to that of the air suction cover (3), the shape of the conical column (511) is set to be trapezoid, the spiral blades (512) are fixedly arranged on the conical column (511), the spiral blades (512) are made of carbon fiber composite materials, the distance between the blades on the spiral blades (512) is 4-8cm, the limiting grooves (513) are formed in the spiral blades (512), and the adjusting plate (514) is fixedly arranged on the side edges of the spiral blades (512).

4. A modular ceiling-mounted suction hood for easy installation as in claim 3, wherein: the adjusting plate (514) comprises a sliding rod (5141), a wind shield plate (5142), a spring plate (5143), a fixed column (5144), a telescopic spring (5145) and an extrusion spring (5146), wherein the sliding rod (5141) is fixedly arranged on a spiral blade (512), the diameter of the sliding rod (5141) is 1/5 of the thickness of the spiral blade (512), the wind shield plate (5142) is fixedly arranged at one end of the sliding rod (5141), the spring plate (5143) is fixedly arranged at the other end of the sliding rod (5141), the width of the spring plate (5143) is 2/3 of that of a limiting groove (513), the fixed column (5144) is fixedly arranged in the middle of the sliding plate, the telescopic spring (5145) is fixedly arranged on the fixed column (5144), and the extrusion spring (5146) is fixedly arranged at the lower end of the spring plate (5143).

5. A modular ceiling-mounted suction hood for easy installation as in claim 3, wherein: the telescopic component (52) comprises a sliding block (521), a rotating ball (522), a telescopic rod (523) and a cleaning hole (524), wherein the sliding block (521) is fixedly installed on a limiting groove (513), the sliding block (521) is made of nylon, the sliding block is elliptical in shape, a circular groove is formed in the center of the sliding block (521), the rotating ball (522) is fixedly installed on the circular groove of the sliding block (521), the telescopic rod (523) is fixedly installed on the rotating ball (522), the cleaning hole (524) is formed in the sliding block (521), the rotating ball (522) and the telescopic rod (523), and the diameter of the telescopic component (52) is 3 times that of the cleaning hole (524).

6. The modular ceiling-mounted suction hood for easy installation of claim 2, wherein: the length of the adjusting piece (59) corresponds to the length and the width of the bottom end of the air suction cover (3) one by one, the shape of the adjusting piece (59) adopts a plane shape, the material is duralumin, and the angle between the adjusting piece (59) and the air suction cover (3) is inclined outwards by 30 degrees.

7. The modular ceiling-mounted suction hood for easy installation of claim 1, wherein: the rotary cylinder (2) comprises a fixed pipe (21), a connecting gear (22), a joint pipe (23), a rotary gear (24), a rotary pipe (25), an air suction gear (26), an air suction pipe (27), a transmission shaft (28) and a transmission gear (29), wherein one end of the fixed pipe (21) is fixedly arranged below the center of the air suction pipe (1), and the diameter ratio of the diameter of the fixed pipe (21) to the diameter of the air suction pipe (1) is 6:5, the one end of connecting gear (22) is fixed firmly to the other end of fixed pipe (21), the other end fixed mounting of connecting gear (22) has joint pipe (23), joint pipe (23) adopts right trapezoid, the one end that connects pipe (23) lower extreme fixed mounting to have rotation gear (24), the other end fixed mounting of rotation gear (24) has the one end of rotation pipe (25), rotation pipe (25) adopts isosceles trapezoid, the other end fixed mounting of rotation pipe (25) has induced draft gear (26), the one end that induced draft gear (26) lower extreme fixed mounting has aspiration channel (27), aspiration channel (27) adopts right trapezoid, the other end fixed mounting of aspiration channel (27) has induced draft hood (3), transmission shaft (28) fixed mounting are on fixed pipe (21), joint pipe (23) and rotation pipe (25) respectively, transmission shaft (28) hold fixed mounting drive gear (29), the diameter of drive gear (29) is 1 with the diameter ratio of connecting gear (22). 5.

8. The modular ceiling-mounted suction hood for easy installation of claim 1, wherein: the air suction cover (3) comprises an air inlet pipe (31), a trapezoid cover (32), a wind shield (33) and a sliding groove (34), wherein the air inlet pipe (31) is fixedly arranged at the lower end of the air suction pipe (27), the trapezoid cover (32) is fixedly arranged at the lower end of the air inlet pipe (31), the wind shield (33) is fixedly arranged on the inclined side of the trapezoid cover (32), the width of the wind shield (33) is 1/2 of the width of the trapezoid cover (32), the sliding groove (34) is formed in the center position of the side edge of the trapezoid cover (32), the width of the sliding groove (34) is equal to the width of the fixed sliding block (53), the fixed groove is formed in the inner wall of the sliding groove (34), and the fixed groove in the inner wall of the sliding groove is correspondingly connected with the protruding block on the fixed sliding block (53).

9. The modular ceiling-mounted suction hood for easy installation of claim 1, wherein: the rotating mechanism (4) comprises a fixed support (41), a fixed bearing (42) and a steady flow fan (43), wherein the fixed support (41) is fixedly arranged on the air inlet pipe (31), the fixed support (41) is in a cross shape, the fixed bearing (42) is fixedly arranged at the central position of the fixed support (41), the steady flow fan (43) is fixedly arranged above the fixed bearing (42), and the number of blades on the steady flow fan (43) is 3-5.

10. The modular ceiling-mounted suction hood for easy installation of claim 9, wherein: the mounting assembly (6) comprises a sliding groove (61), a square groove (62) and a supporting block (63), wherein the sliding groove (61) is fixedly arranged at the lower position of the edge of the fixed support (41), the sliding groove (61) is shaped like a trapezoid, and the width ratio of the thickness of the sliding groove (61) to the width of the fixed support (41) is 1:2, the inside fixed mounting of slip recess (61) has square groove (62), the height ratio of square groove (62) and slip recess (61) is 2:3, set up the semicircle recess on square groove (62), supporting shoe (63) fixed mounting is on air-supply line (31), connect the semicircle lug on supporting shoe (63), the sunken diameter department is the same with the last semicircle lug diameter of connecting of supporting shoe (63) in the middle of square groove (62).