Variable-frequency speed-regulating multi-stage centrifugal blower

Abstract

The utility model relates to the technical field of air blowers, and discloses a variable frequency speed regulation multistage centrifugal air blower which comprises an air blower body, one side of the air blower body is connected with an air inlet pipe in a penetrating mode, a filtering assembly is arranged on the outer side of the air inlet pipe, and an adjusting assembly is arranged in the air inlet pipe. According to the variable-frequency speed-regulating multi-stage centrifugal blower, through the arrangement of the filtering assembly, when the blower body is used, air is sucked into the device from the air inlet pipe, at the moment, a filtering net filters the entering air, and therefore dust, impurities and other particulate matter are prevented from entering the blower; when the filter screen is blocked due to the fact that too much dust adheres to the filter screen, at the moment, the handle is pulled, the filter frame is pulled out of the filter box, and a worker can clean or replace the filter screen, so that the situation that too much dust adheres to the filter screen, and the filtering effect of the device is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air blower especially relates to a variable frequency speed regulation multistage centrifugal air blower. BACKGROUND

[0002] In the field of modern industry, especially in many industries involving gas transmission and fluid dynamics, efficient and energy-saving ventilation and compression solutions are crucial. As a core technology, variable frequency speed regulation multistage centrifugal air blower plays an important role in energy utilization and environmental protection.

[0003] The existing device is used, most of which filter the incoming wind, but the filter screen will stick to too much dust after long-term use, affecting the filtering effect of the device. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] The utility model aims at providing a variable frequency speed regulation multistage centrifugal air blower to solve the problem that most of the existing devices filter the incoming wind when used, but the filter screen will stick to too much dust after long-term use, affecting the filtering effect of the device.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: a variable frequency speed regulation multistage centrifugal air blower, comprising an air blower body, a side of the air blower body is connected with an air inlet pipe, the outside of the air inlet pipe is provided with a filter assembly, the inside of the air inlet pipe is provided with an adjusting assembly, the filter assembly comprises a filter box provided outside the air inlet pipe, the inside of the filter box is provided with two groups of sliding grooves, the inside of the two groups of sliding grooves is slidably connected with a filter frame, the inside of the two groups of filter frames is fixedly connected with a filter screen, the two sides of the two groups of filter frames are fixedly connected with a magnetic block, the surface of the four groups of magnetic blocks is magnetically connected with a magnet; the adjusting assembly comprises an adjusting plate provided inside the air inlet pipe, one side of the adjusting plate is fixedly connected with a transmission rod, one end of the transmission rod is spline connected with a servo motor.

[0008] As a further scheme of the utility model, the bottom surface of the air blower body is fixedly connected with two groups of supporting legs, the surface of the two groups of supporting legs is provided with a plurality of groups of threaded holes, the inside of the plurality of groups of threaded holes is threadedly connected with a screw, the setting of the supporting leg plays a supporting role for the air blower body.

[0009] As a further scheme of the utility model, the bottom surface of the two groups of supporting legs is connected with a bottom plate, the surface of the bottom plate is provided with a plurality of groups of mounting holes, the lower bottom surface of the plurality of groups of screws is screwed into the inside of the mounting hole, through the setting of the screw, the function of fixing the supporting leg is played.

[0010] As a further scheme of the utility model, the surface of the bottom plate is fixedly connected with a supporting block, the top surface of the supporting block is connected with a frequency conversion motor through a bolt, through the setting of the supporting block, the function of supporting the frequency conversion motor is played.

[0011] As a further scheme of the utility model, the bottom surface of the bottom plate is fixedly connected with four groups of cushion blocks, the bottom surface of the four groups of cushion blocks is fixedly connected with a damping hydraulic rod, the outside of the four groups of damping hydraulic rods is sleeved with a spring, the bottom surface of the four groups of damping hydraulic rods is fixedly connected with a gasket, through the setting of the damping hydraulic rod, the function of reducing the vibration of the device is played.

[0012] As a further scheme of the utility model, the one end of the air blower body is connected with an air outlet pipe, the one end of the air outlet pipe is fixedly connected with a connecting disc, through the setting of the connecting disc, the function of connecting with external devices is played.

[0013] As a further scheme of the utility model, the surface of the two groups of filtering frames is fixedly connected with a handle, the surface of the two groups of handles is sleeved with an anti-skid sleeve, through the setting of the anti-skid sleeve, the function of avoiding hand slipping is played.

[0014] (Three) beneficial effects

[0015] The utility model provides a variable frequency speed regulation multistage centrifugal air blower has the following beneficial effects:

[0016] 1、the variable frequency speed regulation multistage centrifugal air blower, through the setting of filtering assembly, air blower body uses, gas is inhaled from the air inlet pipe to the inside of the device, filtering screen filters the air entering at this time, thereby preventing dust, impurities and particulate matter from entering the air blower inside, when the device is used for a period of time, too much dust will stick to the filter screen, so that the filter screen is blocked, at this time, the handle is pulled, the filter frame is extracted from the inside of the filter box, so that the staff can clean or replace the filter screen, thereby avoiding too much dust sticking to the filter screen, affecting the filtering effect of the device.

[0017] 2、the variable frequency speed regulation multistage centrifugal air blower, through the setting of adjusting assembly, when using, starting servo motor, servo motor rotates and drives transmission rod to rotate, transmission rod rotation drives adjusting plate to rotate, so that the angle of adjusting plate is adjusted, the angle of adjusting plate can be used to adjust the air intake, so as to adapt to different working conditions and load requirements. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the whole structure schematic view of the utility model;

[0019] Fig. 2 It is the adjusting assembly structure schematic view of the utility model;

[0020] Fig. 3 It is the filter assembly structure schematic view of the utility model;

[0021] Fig. 4 It is the damping hydraulic rod structure schematic view of the utility model.

[0022] In the drawing: 1, the blower body; 2, the air inlet pipe; 3, filter assembly; 301, filter box; 302, filter frame; 303, filter screen; 304, magnetic block; 305, magnet; 4, adjusting assembly; 401, adjusting plate; 402, transmission rod; 403, servo motor; 5, support leg; 6, screw; 7, bottom plate; 8, support block; 9, frequency conversion motor; 10, cushion block; 11, damping hydraulic rod; 12, spring; 13, gasket; 14, air outlet pipe; 15, connecting disc; 16, handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the utility model.

[0024] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a variable frequency speed regulation multistage centrifugal blower, including blower body 1, the side of blower body 1 is connected with air inlet pipe 2, the outside of air inlet pipe 2 is provided with filter assembly 3, by the setting of filter assembly 3, the gas entering is filtered, the inside of air inlet pipe 2 is provided with adjusting assembly 4, by the setting of adjusting assembly 4, the size of device air intake can be adjusted, filter assembly 3 includes the filter box 301 being set in the outside of air inlet pipe 2, the inside of filter box 301 is provided with two groups of sliding groove, the inside of two groups of sliding groove is slidably connected with filter frame 302, the inside of two groups of filter frame 302 is fixedly connected with filter screen 303, the two sides of two groups of filter frame 302 are fixedly connected with magnetic block 304, the surface of four groups of magnetic block 304 is magnetically connected with magnet 305;Adjusting assembly 4 includes the adjusting plate 401 being set in the inside of air inlet pipe 2, the side of adjusting plate 401 is fixedly connected with transmission rod 402, one end of transmission rod 402 is spline-connected with servo motor 403;

[0025] The bottom surface of the air blower body 1 is fixedly connected with two groups of supporting legs 5, the surfaces of the two groups of supporting legs 5 are provided with a plurality of groups of threaded holes, the inside of the plurality of groups of threaded holes are threadedly connected with screws 6, and the supporting legs 5 are arranged to support the air blower body 1.

[0026] The bottom surfaces of the two groups of supporting legs 5 are overlap-connected with bottom plates 7, the surface of the bottom plate 7 is provided with a plurality of groups of mounting holes, the lower bottom surfaces of the plurality of groups of screws 6 are threadedly connected in the inside of the mounting holes, and the screws 6 are arranged to fix the supporting legs 5.

[0027] The surface of the bottom plate 7 is fixedly connected with a supporting block 8, the top surface of the supporting block 8 is connected with a frequency conversion motor 9 through bolts, and the supporting block 8 is arranged to support the frequency conversion motor 9.

[0028] The bottom surface of the bottom plate 7 is fixedly connected with four groups of pad blocks 10, the bottom surfaces of the four groups of pad blocks 10 are fixedly connected with damping hydraulic rods 11, the outer sides of the four groups of damping hydraulic rods 11 are sleeved with springs 12, the bottom surfaces of the four groups of damping hydraulic rods 11 are fixedly connected with gaskets 13, and the damping hydraulic rods 11 are arranged to reduce the vibration of the device.

[0029] One end of the air blower body 1 is through-connected with an air outlet pipe 14, and one end of the air outlet pipe 14 is fixedly connected with a connecting disc 15, and the connecting disc 15 is arranged to be connected with external devices.

[0030] The surfaces of the two groups of filtering frames 302 are fixedly connected with handles 16, and the surfaces of the two groups of handles 16 are sleeved with anti-skid sleeves, and the anti-skid sleeves are arranged to avoid hand slipping.

[0031] In the utility model, the working steps of the device are as follows:

[0032] The first step is that when the air blower body 1 is used, gas is sucked into the inside of the device from the air inlet pipe 2, at this time, the filter screen 303 filters the entering air, so that dust, impurities and other particulate matters are prevented from entering the inside of the air blower, when the device is used for a period of time, too much dust is adhered to the filter screen 303, so that the filter screen 303 is blocked, at this time, the handle 16 is pulled, and the filtering frame 302 is pulled out from the inside of the filtering box 301.

[0033] The second step is that when used, the servo motor 403 is started, the servo motor 403 is rotated to drive the transmission rod 402 to rotate, the transmission rod 402 is rotated to drive the adjusting plate 401 to rotate, so that the angle of the adjusting plate 401 is adjusted.

[0034] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned principle of the present application is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0035] The standard parts used therein can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known to the person skilled in the art, the structure and principle thereof are known to the person skilled in the art through technical manual or conventional experimental method.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principle and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A variable speed multi-stage centrifugal blower comprising a blower body (1), characterized in that: One side of the air blower body (1) is connected with the air inlet pipe (2), the outer side of the air inlet pipe (2) is provided with the filter assembly (3), the inside of the air inlet pipe (2) is provided with the adjusting assembly (4), The filter assembly (3) includes a filter box (301) arranged on the outer side of the air inlet pipe (2), the inside of the filter box (301) is provided with two groups of sliding grooves, the inside of the two groups of sliding grooves is slidably connected with the filter frame (302), the inside of the two groups of filter frames (302) is fixedly connected with the filter screen (303), the two sides of the two groups of filter frames (302) are fixedly connected with the magnetic suction block (304), the surface of the four groups of magnetic suction blocks (304) is magnetically connected with the magnet (305); The adjusting assembly (4) includes an adjusting plate (401) arranged in the air inlet pipe (2), one side of the adjusting plate (401) is fixedly connected with the transmission rod (402), one end of the transmission rod (402) is spline connected with the servo motor (403).

2. A variable speed, multi-stage centrifugal blower of claim 1, wherein: The bottom surface of the air blower body (1) is fixedly connected with two groups of supporting legs (5), the surface of the two groups of supporting legs (5) is provided with a plurality of groups of threaded holes, the inside of the plurality of groups of threaded holes is threadedly connected with the screw (6).

3. A variable speed, multi-stage centrifugal blower of claim 2, wherein: The bottom surface of the two groups of supporting legs (5) is lap jointedly connected with the bottom plate (7), the surface of the bottom plate (7) is provided with a plurality of groups of mounting holes, the lower bottom surface of the plurality of groups of screw (6) is threadedly connected in the inside of the mounting hole.

4. A variable speed, multi-stage centrifugal blower of claim 3, wherein: The surface of the bottom plate (7) is fixedly connected with the supporting block (8), the top surface of the supporting block (8) is connected with the frequency conversion motor (9) through the bolt.

5. A variable speed, multi-stage centrifugal blower of claim 3, wherein: The bottom surface of the bottom plate (7) is fixedly connected with four groups of pad blocks (10), the bottom surface of the four groups of pad blocks (10) is fixedly connected with the damping hydraulic rod (11), the outer side of the four groups of damping hydraulic rods (11) is sleeved with the spring (12), the bottom surface of the four groups of damping hydraulic rods (11) is fixedly connected with the gasket (13).

6. A variable speed, multi-stage centrifugal blower of claim 1, wherein: One end of the air blower body (1) is connected with the air outlet pipe (14), one end of the air outlet pipe (14) is fixedly connected with the connecting disc (15).

7. A variable speed, multi-stage centrifugal blower of claim 1, wherein: The surface of the two groups of filter frames (302) is fixedly connected with the handle (16), the surface of the two groups of handles (16) is sleeved with the anti-skid sleeve.

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