Outer rotor centrifugal fan capable of efficiently exhausting oil smoke

Abstract

The utility model provides an efficient oil smoke exhaust outer rotor centrifugal fan, and relates to the technical field of centrifugal fans, the efficient oil smoke exhaust outer rotor centrifugal fan comprises a shell and a filtering mechanism, the shell is internally provided with a groove, the groove is internally provided with a mounting seat, one side of the mounting seat is provided with an air inlet, one side of the shell is provided with an air outlet, and the air outlet is communicated with the air inlet; the filtering mechanism comprises a filtering net, a connecting frame is clamped to one side of the exterior of the mounting base, the filtering net is mounted in the connecting frame, a plurality of connecting blocks are mounted on the side, close to the mounting base, of the exterior of the connecting frame, a plurality of inserting grooves are formed in one side of the interior of the mounting base, and the connecting blocks and the inserting grooves are mutually clamped; a pair of sliding rods is installed on one side of the inserting groove outside the installation base, and a sliding plate is installed outside the pair of sliding rods in a sliding mode. The range hood is simple and reasonable in structure, novel in design, simple and convenient to operate, capable of effectively filtering oil smoke, free of influence on the rotating speed of the impeller and high in practical value.

Description

TECHNICAL FIELD

[0001] The utility model belongs to centrifugal fan technical field, more specifically, especially relate to a high -efficient oil fume discharge outer rotor centrifugal fan. BACKGROUND

[0002] The core of the centrifugal fan is its unique impeller design. When the impeller rotates, the air between the blades is driven, producing an outward thrust, thereby forming a high pressure area. Air enters from the air inlet under the action of pressure difference, and is discharged from the air outlet at high speed after acceleration by the impeller.

[0003] Based on the above, the present inventor found that the following problems exist: The centrifugal fan can be used in many places now, when the centrifugal fan is installed in the kitchen or the place where there is more oil smoke, the oil smoke enters the fan interior through the air inlet, which is easy to make dust and oil smoke stick to the blades, long-term accumulation, causing the blade to rotate slowly, reducing the efficiency of smoke exhaust.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a high -efficient oil fume discharge outer rotor centrifugal fan is provided, so as to achieve the purpose of more practical value. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of high -efficient oil fume discharge outer rotor centrifugal fan, to solve the problem in the background art now.

[0006] The purpose and effect of the high -efficient oil fume discharge outer rotor centrifugal fan of the utility model are achieved by the following specific technical means:

[0007] A kind of high -efficient oil fume discharge outer rotor centrifugal fan, including shell and filter mechanism, the bottom of the shell both sides are equipped with base, the inside of the shell is equipped with recess, and the inside of the recess is equipped with mounting seat, the side of the mounting seat is equipped with air inlet, and the side of the shell is equipped with air outlet, the air outlet and air inlet are mutually connected, the filter mechanism includes filter screen, and the outside one side of the mounting seat is clamped with connecting frame, the filter screen is installed in the inside of connecting frame, and the outside of connecting frame is equipped with several connecting blocks on the side close to mounting seat, the inside one side of the mounting seat is equipped with several insertion slots, and the connecting block and insertion slot are mutually clamped, the outside of the mounting seat is equipped with a pair of slide rods on the side of insertion slot, and a pair of the outside of slide rod is equipped with sliding plate.

[0008] Further, the outside of a pair of slide rods is equipped with spring, and one end of a pair of the spring is mutually connected with sliding plate, the sliding plate is equipped with fixed block on the side close to insertion slot.

[0009] Further, the inside of the mounting seat is provided with a plurality of through holes on the side close to the slot, the inside of the plurality of connecting blocks is provided with a fixing groove on one side, and one end of the fixing block penetrates through the through hole and is clamped with the fixing groove.

[0010] Further, the inside of the air inlet is provided with a plurality of oil absorption plates on one side, and the plurality of oil absorption plates are cross-mounted, and the material of the oil absorption plate is a polypropylene material layer.

[0011] Further, the inside of the mounting seat is provided with a plurality of supports on one side, and one end of the plurality of supports is connected with the inner wall of the mounting seat, one side of the plurality of supports is provided with a motor, and the output end of the motor is drivingly connected with a rotating shaft, and the outer side of the rotating shaft is provided with an impeller.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The high-efficiency oil fume exhaust centrifugal fan with an outer rotor is characterized in that the connecting frame, the filter screen, the connecting block, the slot, the sliding plate, the sliding rod, the spring, the fixing block, the through hole, the fixing groove and the oil absorption plate are used in cooperation, when the motor drives the impeller to rotate, the oil fume enters the inside of the centrifugal fan through the air inlet, the oil fume passes through the filter screen, the dust and part of the oil fume are adhered to the filter screen, then the remaining oil fume is adsorbed by the cross-mounted oil absorption plates, and then enters the inside of the impeller, the chimney air outlet is discharged through the high-speed rotation of the impeller, when the filter screen filters the oil fume for a long time, the surface is adhered with clumps, the two pairs of sliding plates are pulled, the sliding plates slide on the pair of sliding rods, the fixing block is moved out of the slot, the connecting block is separated from the connecting block, the connecting frame is removed, the filter screen is cleaned and replaced, then the connecting block is inserted into the slot, the fixing block is inserted into the fixing groove in the cooperation of the elasticity of the spring, the filter screen is installed, and the oil fume is filtered continuously. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model.

[0015] Figure 2 It is a three-dimensional development schematic view of the utility model.

[0016] Figure 3 It is a mounting seat partial top view schematic view.

[0017] Figure 4 It is a mounting seat plane section schematic view.

[0018] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0019] 1001, housing; 1002, base; 1003, mounting seat; 1004, air inlet; 1005, air outlet; 1006, bracket; 1007, motor; 1008, impeller; 2001, connecting frame; 2002, filter screen; 2003, connecting block; 2004, slot; 2005, sliding rod; 2006, sliding plate; 2007, spring; 2008, fixed block; 2009, through hole; 2010, fixing groove; 2011, oil absorption plate. DETAILED DESCRIPTION

[0020] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0021] Embodiment:

[0022] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:

[0023] The utility model provides a kind of high efficient oil fume exhaust outer rotor centrifugal fan, including shell 1001 and filter mechanism, the bottom of the shell 1001 Both sides are equipped with base 1002, the inside of the shell 1001 It is equipped with recess, and the recess is equipped with mounting seat 1003, the side of the mounting seat 1003 It is equipped with air inlet 1004, and the side of the shell 1001 It is equipped with air outlet 1005, the air outlet 1005 and air inlet 1004 It is mutually connected, the filter mechanism includes filter screen 2002, and the outside one side of the mounting seat 1003 It is engaged with connecting frame 2001, the filter screen 2002 It is installed in the inside of connecting frame 2001, and the outside of the connecting frame 2001 It is equipped with several connecting blocks 2003 in the side close to mounting seat 1003, the inside one side of the mounting seat 1003 It is equipped with several slots 2004, and the connecting block 2003 and slot 2004 It is mutually engaged, the outside of the mounting seat 1003 It is equipped with a pair of sliding rods 2005 in the side of slot 2004, and the outside of a pair of the sliding rod 2005 It is equipped with sliding plate 2006.

[0024] Wherein, the outside of a pair of sliding rods 2005 It is equipped with spring 2007, and one end of a pair of the spring 2007 It is mutually connected with sliding plate 2006, the side close to slot 2004 of the sliding plate 2006 It is equipped with fixed block 2008, by being equipped with sliding plate 2006, fixed block 2008 It can be moved to filter screen 2002 It is installed and disassembled.

[0025] The inside of the mounting base 1003 is provided with a plurality of through holes 2009 on the side close to the slot 2004, the inside of the connecting block 2003 is provided with a fixing groove 2010 on one side, and one end of the fixing block 2008 penetrates through the through hole 2009 and is clamped with the fixing groove 2010.

[0026] The inside of the air inlet 1004 is provided with a plurality of oil absorption plates 2011 on one side, and the oil absorption plates 2011 are cross-mounted, the material of the oil absorption plate 2011 is a polypropylene material layer, and the oil in the oil fume can be absorbed and removed by the oil absorption plate 2011, so that the oil fume cannot enter the impeller 1008.

[0027] The inside of the mounting base 1003 is provided with a plurality of supports 1006 on one side, and one end of the support 1006 is connected with the inner wall of the mounting base 1003, the motor 1007 is mounted on one side of the support 1006, and the output end of the motor 1007 is drivingly connected with a rotating shaft, and the rotating shaft is externally provided with an impeller 1008.

[0028] The specific use mode and effect of the embodiment are as follows:

[0029] When using the product, first, check whether the connection of the product is fastened, and when the motor 1007 drives the impeller 1008 to rotate, the oil fume enters the inside of the centrifugal fan through the air inlet 1004, the oil fume passes through the filter screen 2002, and the dust and part of the oil fume will be adhered to the filter screen 2002, then the remaining oil fume is adsorbed by the cross-mounted oil absorption plates 2011, and then enters the inside of the impeller 1008, and the chimney air outlet 1005 is discharged through the high-speed rotation of the impeller 1008. When the filter screen 2002 filters the oil fume for a long time, the surface will be adhered with clumps, etc., the two pairs of sliding plates 2006 can be pulled to slide on the pair of sliding rods 2005, and the fixing block 2008 is removed from the slot 2004 and separated from the connecting block 2003, the connecting frame 2001 is removed, the filter screen 2002 is cleaned and replaced, then the connecting block 2003 is inserted into the slot 2004, the sliding plate 2006 is loosened, the spring 2007 is elastically matched, the fixing block 2008 is inserted into the inside of the fixing groove 2010, and the filter screen 2002 is installed, so that the oil fume can be continuously filtered.

[0030] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A high-efficiency external rotor centrifugal fan for exhausting oil fumes, characterized in that: The system includes a housing (1001) and a filter mechanism. Bases (1002) are mounted on both sides of the bottom of the housing (1001). The housing (1001) has an internal groove, and a mounting base (1003) is installed inside the groove. An air inlet (1004) is located on one side of the mounting base (1003), and an air outlet (1005) is located on one side of the housing (1001). The air outlet (1005) and the air inlet (1004) are interconnected. The filter mechanism includes a filter screen (2002), and a connecting frame is engaged on the outer side of the mounting base (1003). 2001), the filter screen (2002) is installed inside the connecting frame (2001), and a number of connecting blocks (2003) are installed on the outside of the connecting frame (2001) near the mounting base (1003). A number of slots (2004) are installed on the inside side of the mounting base (1003), and the connecting blocks (2003) and slots (2004) engage with each other. A pair of slide rods (2005) are installed on the outside of the mounting base (1003) on the side of the slots (2004), and a sliding plate (2006) is slidably installed on the outside of the pair of slide rods (2005).

2. The high-efficiency oil fume exhaust external rotor centrifugal fan as described in claim 1, characterized in that: Each of the pair of slide bars (2005) is provided with a spring (2007) on its exterior, and one end of each pair of springs (2007) is connected to a slide plate (2006). The slide plate (2006) has a fixing block (2008) installed on the side near the slot (2004).

3. The high-efficiency oil fume exhaust external rotor centrifugal fan as described in claim 1, characterized in that: The mounting base (1003) has several through holes (2009) on the side near the slot (2004) inside. Each of the connecting blocks (2003) has a fixing groove (2010) on one side inside. One end of the fixing block (2008) passes through the through hole (2009) and engages with the fixing groove (2010).

4. The high-efficiency oil fume exhaust external rotor centrifugal fan as described in claim 1, characterized in that: Several oil-absorbing plates (2011) are installed on one side of the air inlet (1004), and the oil-absorbing plates (2011) are installed in a crisscross manner. The oil-absorbing plates (2011) are made of polypropylene material.

5. The high-efficiency oil fume exhaust external rotor centrifugal fan as described in claim 1, characterized in that: A plurality of brackets (1006) are installed on one side of the interior of the mounting base (1003), and one end of each of the brackets (1006) is connected to the inner wall of the mounting base (1003). A motor (1007) is installed on one side of the brackets (1006), and the output end of the motor (1007) is connected to a rotating shaft. An impeller (1008) is installed on the outside of the rotating shaft.

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